1 2000-07-20 Geoff Keating <geoffk@cygnus.com>
3 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
5 * glimits.h: Don't do #if defined for ARCH_PPC.
7 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
8 constants of size no larger than a pointer should go in the TOC.
10 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
11 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
12 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
13 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
14 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
15 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
16 (rs6000_legitimize_address): Likewise.
17 (rs6000_emit_move): Likewise.
18 (rs6000_select_rtx_section): Likewise.
19 (output_toc): Deal properly with outputting small constants like
20 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
21 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
22 MODE parameter. Put small constants in the TOC.
24 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
26 (rs6000_emit_move): When reload calls us with an illegitimate
27 address, exit early. Move the change_address calls to one place
28 at the end of the routine. Merge the SImode and DImode expanders.
29 When called by reload to put an integer into a FP register, force
32 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
34 (rs6000_hash_constant): Hash mode too.
35 (toc_hash_function): Allow for key_mode.
36 (toc_hash_eq): Structures are different if key_mode differs.
37 (output_toc): Add 'mode' parameter. Save key_mode.
38 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
39 Pass 'mode' parameter.
40 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
42 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
43 for vtable references.
45 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
46 choice, don't put integer values in FP regs.
48 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
50 * flow.c (verify_flow_info): Revamp code to verify that the
51 head and end of each basic block are in the insn chain.
53 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
55 * gcse.c (record_one_set): Prepend instead of append onto
56 reg_set_table, making it O(n) instead O(n^2).
57 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
58 Use a queue instead of a stack as worklist.
60 2000-07-20 Kazu Hirata <kazu@hxi.com>
62 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
63 * h8300.h (OK_FOR_T): New.
64 (EXTRA_CONSTRAINT): Support OK_FOR_T.
65 * h8300.md: Use inc/dec.[wl] for increment/decrement
66 by 1 and 2 in HI and SI modes.
68 2000-07-20 Jim Wilson <wilson@cygnus.com>
70 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
73 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
75 * cppmacro.c (CAN_PASTE_AFTER): New macro.
76 (count_params): Don't set GNU_REST_ARGS on anything.
77 (save_expansion): Set PASTE_LEFT only on tokens for which
78 CAN_PASTE_AFTER is true, or which are named operators.
80 * cpplex.c (parse_args): Distinguish between a rest argument
81 given one empty argument, and a rest argument given zero arguments.
82 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
83 deletion of previous token based on that.
84 (get_raw_token): Flatten some control structure.
86 * cpplib.h (CPP_LAST_EQ): Correct.
87 (VOID_REST): New token flag.
88 (GNU_REST_ARGS): Delete.
90 * tradcpp.c (main): Don't munge -D options.
91 (make_definition): Bring -D handling in line with cpplib.
92 (do_define): Strip all leading whitespace from macro definitions.
94 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
96 * Makefile.in (tradcpp): Depend on intl.o and version.o.
98 2000-07-20 Bruce Korb <bkorb@gnu.org>
100 * fixincl/check.tpl: strip the platform specific types before testing
101 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
102 * fixincl/fixincl.tpl: use platform specific types
103 * fixincl/fixlib.h: include the platform specific types
104 * fixincl/inclhack.def(gnu_types): don't supply the types
105 * fixincl/fixincl.x: regen
107 2000-07-19 Jim Wilson <wilson@cygnus.com>
109 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
112 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
114 * tradcpp.c (rescan): Do not recognize directives when the #
117 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
119 Implement C++ named operators.
121 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
122 of operators allowed in #if and having an _EQ variant. Add
123 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
124 (cpp_token flags): Add NAMED_OP.
125 (enum node_type): Add T_OPERATOR.
126 (struct cpp_hashnode): Add code slot to value union.
127 * cpphash.h (spec_nodes): Remove n_defined.
129 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
130 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
131 (is_macro_disabled): Tweak error messages.
133 * cpplib.c (get_define_node): Disallow all named operators as
134 macro names. Tweak error messages.
135 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
137 * cppinit.c (builtin_array): Add entries for the named operators.
138 * cppexp.c (lex): Check for CPP_DEFINED token.
139 (priority table): Add entries for CPP_MIN and CPP_MAX.
140 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
142 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
144 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
145 larger than the array of cuids.
146 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
149 2000-07-19 Bruce Korb <bkorb@gnu.org>
151 * fixinc/fixincl.c: Convert to using a table of environment variables
152 and activate the auto-edit marker on the fixed output files.
153 * fixinc/fixlib.h: Define the environment table
154 * fixinc/fixincl.sh: export the ${INPUT} dir
155 * fixinc/check.tpl: likewise
157 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
159 * gcc.c (.h spec): Fix typo.
161 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
163 * Makefile.in: Fix tradcif.c path.
165 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
167 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
170 * cpphash.h (TOKEN_NAME): New macro.
171 (_cpp_spell_operator): Deleted.
172 (token_spellings): Now _cpp_token_spellings.
174 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
175 * cpplex.c: Use OP and TK macros when expanding the
176 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
177 store the stringification of the enumeration name (CPP_CHAR,
178 etc.) in the name slot of token_spellings.
179 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
180 token_spellings directly.
181 * cpplib.c: Use TOKEN_SPELL.
183 * cpplex.c (_cpp_push_token): If the token being pushed back
184 is the previous token in this context, just subtract one from
186 * cppmacro.c (save_expansion): Clear aux field when storing a
189 2000-07-18 Jakub Jelinek <jakub@redhat.com>
191 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
192 buffer, provided it is not NULL.
194 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
196 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
197 case of invalid volatile re-declaration.
199 2000-07-18 Jakub Jelinek <jakub@redhat.com>
201 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
202 (expand_call): Adjust caller.
204 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
206 * diagnostic.h (report_diagnostic): Change prototype.
208 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
209 diagnostic_for_decl): Change prototype.
210 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
211 error, warning, error_with_file_and_line,
212 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
213 Adjust call to report_diagnostic, diagnostic_for_decl.
214 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
215 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
217 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
218 varaible argument list.
220 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
222 * cpphash.c: Don't include hashtab.h. Most macro-handling code
224 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
225 dump_hash_helper): Delete.
226 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
227 cpp_forall_identifiers): New. Implement specialized version of
228 Vlad's expandable hash table.
229 (cpp_lookup): Use new functions.
230 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
232 * cppmacro.c: New file.
233 * cppinit.c (dump_macros_helper): New.
234 (cpp_finish): Iterate over the identifier table directly.
235 * cpplex.c (parse_name): Calculate the hash of the identifier
236 while we scan it. Use _cpp_lookup_with_hash when we can.
238 * cpphash.h: Update prototypes.
239 (xcnewvec, HASHSTEP): New helper macros.
240 * cpplib.h: Update prototypes.
241 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
242 (cppmacro.o): New rule.
243 (cpphash.o): Update deps.
245 * cppmain.c: Do not set pfile->printer if no_output is on.
247 2000-07-15 Neil Booth <neilb@earthling.net>
249 * cpplib.c: Change all directive-handler functions to return
251 * cpphash.h: Update typedefs.
253 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
255 * configure: Regenerate.
257 * extend.texi (Extended Asm): Mention that a memory clobber
258 does not count as a side-effect.
260 * unroll.c (copy_loop_body): Fix one instance of using host
261 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
264 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
266 2000-07-17 Richard Henderson <rth@cygnus.com>
268 * config/ia64/ia64.md (movdi): Split out load address code.
269 New post-reload splitter for symbolic operands.
270 (movdi_internal): Abort if we didn't split symbolic operands
272 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
273 (ia64_reorg): Split insns when not optimizing.
274 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
276 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
278 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
279 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
281 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
283 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
285 2000-07-17 Jason Merrill <jason@redhat.com>
287 * Makefile.in (clean): Remove libgcc directory.
289 * configure.in (-Wno-long-long check): Use higher-level macros.
291 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
293 * simplify-rtx.c (simplify_binary_operation): Recognize
294 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
295 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
296 a CONST_INT, it will always be zero.
298 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
300 * loop.c (check_dbra_loop) : Return if more than one condition is
301 present to control the loop.
303 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
305 * mips.c (mips_expand_prologue): Don't calculate the last argument
306 register unless we need it. When we are calculating this, make
307 sure FUNCTION_ARG is giving us a REG.
309 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
311 * flow.c (libcall_dead_p): Use single_set to verify the insn
312 has only one set and get for analysis.
313 (propagate_one_insn): Don't pass the PATTERN of the insn.
315 2000-07-17 Mark Klein <mklein@dis.com>
317 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
319 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
321 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
322 * configure.in (TARGET_GETGROUPS_T): Evaluate.
323 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
324 of second argument of getgroups.
325 * configure, config.in: Rebuilt.
327 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
329 * simplify-rtx.c (simplify_relational_operation): Two signed
330 values with equal high words are less/greater than each other if
331 their low words are less/greater when considered as unsigned.
333 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
335 * configure.in (vax-*-openbsd): Change to new style configuration,
336 add collect2/float_format information.
337 * configure: Rebuilt.
338 * config/vax/openbsd1.h: New.
339 * config/vax/openbsd.h: New.
340 * config/vax/t-openbsd: New.
342 2000-07-17 Chip Salzenberg <chip@valinux.com>
344 * c-common.c (shorten_compare): Quiet warnings about unsigned
345 comparisons with zero when they occur in a system header.
347 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
349 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
350 update to describe current practice.
352 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
354 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
355 references to C9X. Change references to -fstd and -flang-isoc9x
358 * c-common.c (scan_char_table): Allow "z" length modifiers on
360 (check_format_info): Use TYPE_DOMAIN on the type matched against
361 for "z" formats, to retrieve the language size_t rather than the
364 * c-common.c (check_format_info): Do not make a pedantic objection
365 to the 'L' length modifier if used with a floating point type
368 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
369 constants in C99 mode.
371 2000-07-17 Kazu Hirata <kazu@hxi.com>
373 * h8300.md: Fix the format of mac.
374 (movsi_h8300hs): Output a tab after stmac instead of a space.
376 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
377 profitable adds/subs sequences.
379 * fold-const.c: Fix comment typos.
381 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
383 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
385 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
387 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
389 2000-07-16 Neil Booth <NeilB@earthling.net>
391 * cpplex.c: Update comments.
392 * README.Portability: Small update.
394 2000-07-16 Neil Booth <NeilB@earthling.net>
396 * README.Portability: Small update.
398 2000-07-15 Richard Henderson <rth@cygnus.com>
400 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
401 * config/ia64/ia64.c (ia64_move_ok): New function.
402 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
403 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
405 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
407 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
408 immediately following a paste operator.
409 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
410 (cpp_reader_init): Call it, if HOST_EBCDIC.
411 (cpp_handle_options): Do not sort option list here.
412 (handle_option): Rename to cpp_handle_option and export.
413 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
414 _cpp_get_token directly.
415 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
416 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
417 * cpplib.h: Prototype cpp_handle_option. Update prototype of
420 2000-07-15 Richard Henderson <rth@cygnus.com>
422 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
423 cast around an expression. Tidy other unsigned tests.
425 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
427 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
428 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
429 (v_message_with_decl): Rename to ...
430 (format_with_decl): ... this. Tweak
431 (diagnostic_for_decl): New function.
432 (fatal_io_error): Use verbatim in lieu of notice.
433 (announce_function): Use verbatim.
434 (default_print_error_function): Likewise.
435 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
438 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
440 * mips.c (function_arg_pass_by_reference): Don't do automatic
441 aggregate initialization.
442 (machine_dependent_reorg): Initialize variable `mode'.
444 * mips.md (absdi2): Change variable `regno1' to unsigned int.
445 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
446 conflicts with sys/param.h macro of the same name.
447 (reload_outdi): Likewise.
449 2000-07-15 Michael Meissner <meissner@redhat.com>
451 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
452 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
453 create a new node instead.
455 2000-07-15 Neil Booth <NeilB@earthling.net>
457 * README.Portability: Correct example about calling a function
458 through a pointer to function. Format wide paragraphs.
460 2000-07-15 Michael Meissner <meissner@redhat.com>
462 * README.Portability: Update integer suffixes and function
465 2000-07-15 Neil Booth <NeilB@earthling.net>
467 * README.Portability: Small update.
469 2000-07-15 Neil Booth <NeilB@earthling.net>
471 * README.Portability: New file.
473 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
475 * INSTALL: Give special instructions for building GCC on Irix 6.
476 * config/mips/x-iris6 (CC): Don't set it.
479 2000-07-14 Jason Merrill <jason@redhat.com>
481 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
482 register in the stack and later in another register, use the new
485 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
487 * config/mips/mips.md: (absdi2): Handle sign_extend for
490 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
492 * cpplib.c (do_pragma_dependency): Tidy warning messages.
494 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
496 * .cvsignore: Correct typo.
498 2000-07-13 Mark Mitchell <mark@codesourcery.com>
500 * .cvsignore: Add generated YACC files.
501 * objc/.cvsignore: New file.
503 2000-07-14 Neil Booth <NeilB@earthling.net>
505 * cpplex.c (adjust_column): New funcion.
506 (skip_whitespace): Use it.
507 (skip_block_comment): Use it, and warn about /*/* with
510 2000-07-14 Neil Booth <NeilB@earthling.net>
512 * cpphash.c (struct macro_info): Add new members.
513 (_cpp_free_definition): Delete the macro directly.
514 (count_params): Return void, with first token of
515 expansion in struct macro_info on success.
516 (parse_define): Return int. Hoist syntax checking from
517 save_macro_expansion. Leave call to save_expansion to
518 _cpp_create_definition.
519 (alloc_macro): Needs just 2 arguments.
520 (free_macro): Delete.
521 (save_expansion): Don't perform syntax check.
522 (_cpp_create_definition): Call save_expansion.
524 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
526 * genrecog.c (write_header): Split long string.
528 * cpphash.c (macro_info): Don't use the `signed' keyword.
530 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
532 2000-07-13 Jakub Jelinek <jakub@redhat.com>
534 * calls.c (stored_args_map): New variable.
535 (check_sibcall_argument_overlap_1): New.
536 (check_sibcall_argument_overlap): New.
537 (expand_call): Initialize stored_args_map.
538 Call check_sibcall_argument_overlap.
540 2000-07-13 Bruce Korb <bkorb@gnu.org>
542 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
543 (emit_gnu_type): utility procedure for gnu_type_fix
544 (gnu_type_fix): implement various pre-processor guards around
545 standard types so these types can be defined over and over
546 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
547 types alluded to above will have GNU-compliant base types
548 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
549 * fixinc/inclhack.def: add test_text entries and utilize the new
550 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
551 * fixinc/fixincl.x: regenerate
553 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
555 * diagnostic.c (vline_wrapper_message_with_location,
556 v_message_with_file_and_line, v_error_with_file_and_file,
557 v_error_for_asm, v_warning_for_asm, vfatal,
558 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
559 vsorry, verror, vwarning, vpedwarn): Remove.
560 (diagnostic_for_asm): New function.
561 (pedwarn, error, warning, pedwarn_with_file_and_line,
562 error_with_file_and_line, warning_with_file_and_line, sorry,
563 error_for_asm, warning_for_asm, fatal): Reimplement.
564 (finish_diagnostic): Clear diagnostic info as well.
566 2000-07-13 Neil Booth <NeilB@earthling.net>
568 * c-common.h (flag_digraphs): New.
569 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
570 * c-lex.c (yylex): Use flag_digraphs to decide whether to
573 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
575 * gcc.c (do_spec_1): Add new %B operator.
576 (set_input): Prepare for %B.
578 (link_command_spec): Move up with the other tm.h-
579 overrideable specs. Factor out the portion conditional on
580 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
581 (struct compiler): Just have a single spec string. All users
583 (default_compilers): Remove unnecessary braces.
584 (static_specs): Update.
586 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
588 (C and assembly specs): Use the new named specs, as appropriate.
590 * objc/lang-specs.h: Use the new named specs.
591 Remove unnecessary braces.
593 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
595 * gcc.c (execute): If a subprocess gets a fatal signal, report
596 strsignal() of the signal number, and ask for a bug report.
597 Do not do this for SIGPIPE if there's already been an error.
599 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
604 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
606 * final.c (profile_function): Do not emit profile counters in
607 the data section, if NO_PROFILE_COUNTERS is defined.
608 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
611 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
612 (FUNCTION_PROFILER): Just emit a call to mcount.
614 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
616 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
618 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
619 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
620 traditional, lang_chill, or lang_fortran.
622 * cppfiles.c: #undef strcmp to suppress warning about macros
623 used without arguments.
624 (_cpp_execute_include): Use f, not fname, in "No include path"
626 (_cpp_pop_file_buffer): New function.
627 * cpplib.c: Don't include <sys/mman.h>.
628 (cpp_push_buffer): Set line_base and lineno in new buffer.
629 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
631 * cpplex.c: Move all prototypes and structure declarations to the
632 top of the file. Properly parenthesise some macro arguments.
633 (cpp_scan_line): New function.
634 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
635 don't need to walk up the stack counting.
637 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
639 * c-common.c (combine_strings): Emit a pedantic warning when a
640 string length is greater than the minimum ANSI C is required
643 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
645 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
646 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
648 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
650 * c-decl.c (define_label): Warn about identifier conflicts with
651 labels in traditional C.
653 * c-parse.in (unop +): Warn about the unary plus operator for
656 * c-typeck.c (store_init_value): Warn about automatic aggregate
657 initialization for traditional C.
659 * invoke.texi (-Wtraditional): Document new warnings.
661 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
663 * Makefile.in (c-errors.o): Fix thinko in dependency.
665 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
667 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
668 -traditional, -ftraditional, or -traditional-cpp was given.
669 Do not pass -traditional to the preprocessor.
670 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
671 preprocessor does it automatically.
672 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
674 * ch/lang-specs.h: Always use tradcpp. Do not pass
675 -traditional, -trigraphs, or -pedantic to the preprocessor.
676 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
679 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
681 * cppexp.c (LOGICAL): Delete macro.
682 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
685 * cpphash.c (HASHSIZE): Increase to 4096.
686 (struct hashdummy): Add hash field.
687 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
688 the string values using memcmp.
689 (cpp_lookup): Set dummy.hash.
691 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
693 * configure.in (m88k-openbsd): Express configuration using new fragment
695 * configure: Rebuilt.
696 * m88k/aout-dbx.h: New.
697 * m88k/openbsd.h: New.
698 * m88k/xm-openbsd.h: New.
700 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
702 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
704 2000-07-12 Richard Henderson <rth@cygnus.com>
706 * reload.c (push_secondary_reload): Make sure to add the new
707 reload at the end, after acquiring secondary memory.
709 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
711 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
713 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
714 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
716 * c-parse.in (stmt): Delete unused variables.
718 * convert.c (convert_to_vector): Likewise.
720 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
722 * tree.c (finish_vector_type): Prototype.
724 2000-07-12 Bruce Korb <bkorb@gnu.org>
726 * fixinc/fixfixes.c: use xmalloc
727 * fixinc/fixincl.c(initialize): set program name for xmalloc
728 * fixinc/fixlib.c(must_malloc): obsolete
729 (is_cxx_header): no longer used - disabled
730 (skip_quote): inserted and disabled for future use
731 * fixinc/fixlib.h: reflects above
732 * fixinc/fixtests.c: removed dinkleberries
734 2000-07-12 Neil Booth <NeilB@earthling.net>
736 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
737 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
739 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
740 struct toklist_dummy): New.
741 (cpp_free_definition): Free macros with free_macro.
742 (count_params): Don't save paramter spellings. Save macro
743 information in a struct macro_info.
744 (parse_define): Don't allocate a token list.
745 (save_expansion): Allocate the macro's token list, and
746 save parameter spellings if necessary. Use TOKEN_SPELL.
747 (cpp_create_definition): Make list const.
749 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
751 * c-typeck.c (pedwarn_c99): Move to
752 * c-errors.c: ... Here.
753 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
754 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
755 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
756 (c-errors.o): List dependency.
758 2000-07-12 Mark Mitchell <mark@codesourcery.com>
761 * c-parse.h: Likewise.
762 * c-parse.y: Likewise.
763 * objc/objc-parse.c: Likewise.
764 * objc/objc-pasre.y: Likewise.
766 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
768 * gcc.texi: Fix minor typos
769 * extend.texi: Fix minor typos
771 2000-07-11 Marc Espie <espie@openbsd.org>
773 * collect2.c (main): Recognize .lo as object files.
775 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
777 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
780 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
781 with MAP_ANONYMOUS and MAP_ANON.
782 * configure, config.in: Rebuilt.
784 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
786 * diagnostic.c (save_output_state): Remove.
787 (restore_output_state): Likewise.
788 (clear_text_info): New function.
789 (clear_diagnostic_info): Likewise.
790 (output_text_length, is_starting_newline, output_prefix,
791 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
792 prefixing_policy, output_buffer_ptr_to_format_args): New macros
793 (set_real_maximum_length, output_set_maximum_length,
794 output_set_prefix, output_get_prefix, output_set_maximum_length,
795 output_destroy_prefix, init_output_buffer,
796 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
797 output_add_newline, output_add_character, output_add_space,
798 output_append_r, output_append, wrap_text, output_format,
799 output_do_printf, output_printf, output_do_verbatim,
800 output_verbatim, verbatim): Use them.
801 (output_clear): Split into cleat_text_info and
802 clear_diagnostic_info.
803 (struct output_state): Move to...
805 * diagnostic.h: ...Here
806 (struct output_buffer): Adjust.
808 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
810 * cpplex.c (parse_name): No longer inline (premature optimization).
811 (do_pop_context): Fold into pop_context.
812 (pop_context): Returns int.
813 (lex_next): Hoist test for end of directive into pop_context.
814 (push_macro_context): Returns int; takes just reader and token.
815 Hoist test for excessive nesting to caller.
816 (push_arg_context): Returns void; takes just reader and token.
817 Do not call stringify_arg or get_raw_token.
818 (get_raw_token): Convert tail recursion through push_arg_context
819 to a loop at this level. Call stringify_arg here if appropriate.
820 (maybe_paste_with_next): Convert tail recursion to a while loop.
821 Hoist test of paste_level to caller.
823 (stringify_arg): Push arg context at beginning.
824 (cpp_get_token): Split out core into _cpp_get_token. Call
825 process_directive here. Throw away CPP_PLACEMARKER tokens.
826 (_cpp_get_token): Convert tail recursion through
827 push_macro_context to a loop at this level.
828 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
829 _cpp_get_raw_token): Use _cpp_get_token.
830 (_cpp_skip_rest_of_line): Drop the context stack directly; do
831 not call pop_context.
832 (_cpp_run_directive): Call lex_next directly.
834 * cpphash.h: Prototype _cpp_get_token.
835 * cppexp.c (lex): Use it.
836 * cpphash.c (parse_define): Use it.
837 * cpplib.c (get_define_node, do_undef, parse_include,
838 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
839 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
840 parse_ifdef, validate_else): Use it.
841 (cpp_push_buffer): Tweak error message; abort if anyone tries
842 to push a buffer while macro expansions are stacked.
844 2000-07-11 Donn Terry <donnte@microsoft.com>
846 * cpplex.c (free_macro_args, save_token): Cast arg of free
847 and/or xrealloc to PTR.
848 (_cpp_init_input_buffer): Clear all fields of the base context.
850 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
852 * gensupport.c (process_rtx): Make rtl checking stop
853 complaining about the define_insn while it is being
854 converted from a define_insn_and_split.
856 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
858 * config/mips/mips.c (simple_memory_operand): Access the
859 INTVAL of the address, not it's containing MEM.
861 2000-07-11 Bruce Korb <bkorb@gnu.org>
863 * fixinc/fixtests.c(double_slash): obsolete
864 (else_endif_label): likewise
865 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
866 (libc1_ifdefd_memx): correct initial comment
867 and omit the #if/#endif pair from the memxxx declarations
868 * fixinc/fixincl.x: regen
870 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
872 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
874 2000-07-11 Neil Booth <NeilB@earthling.net>
878 2000-07-11 Neil Booth <NeilB@earthling.net>
880 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
881 (handle_option): Set digraphs according to standard.
882 Merge OPT_lang_c89 handler with OPT_std_c89.
884 * cpplex.c: (lex_line, can_paste): Honour digraphs in
885 accordance with the digraphs flag.
887 * cpplib.h: (struct cpp_options): New option digraphs.
889 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
890 Bruce Korb <bkorb@gnu.org>
892 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
893 * fixinc/fixincl.x: Regenerate.
894 * fixinc/tests/base/testing.h: Add testcase.
896 2000-07-10 Richard Henderson <rth@cygnus.com>
898 * config/ia64/ia64.c (got_symbolic_operand): New.
899 (symbolic_operand, move_operand): Revert 0701 change.
900 * config/ia64/ia64.h (PREDICATE_CODES): Update.
901 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
902 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
903 split the offset into a 14-bit low part instead of a 13-bit low part.
904 (load_fptr): Mark the mem as unchanging.
905 (load_symptr): Use got_symbolic_operand.
907 2000-07-10 Nick Clifton <nickc@cygnus.com>
909 * libgcc2.c (next_stack_level): Cast result of computation to
910 (void **) so that the assignment does not generate a warning.
912 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
914 * flags.h : Add new variable flag_single_precision_constant.
915 * toplev.c (display_help) : Add -fsingle-precision-constant option.
916 (flag_single_precision_constant): New.
917 * c-lex.c (yylex): Convert floating point constant to single
919 * invoke.texi : Add documentation for this new option.
921 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
923 * diagnostic.c (output_octal): Second parameter is unsigned.
924 (output_long_octal): Likewise.
925 (output_hexadecimal): Likewise.
926 (output_long_hexadecimal): Likewise.
927 (output_format): Adjust arguments extraction. Tweak.
928 (output_verbatim, verbatim): End variable argument list.
929 (report_diagnostic): Improve documentation.
931 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
933 * c-common.h (build_stmt): Declare.
934 (build_continue_stmt): Likewise.
935 (build_break_stmt): Likewise.
936 (build_return_stmt): Likewise.
938 * c-decl.c (do_case): Rewrite to do what previously done in
941 * c-semantics.c (build_stmt): Define.
942 (build_return_stmt): Likewise.
943 (build_break_stmt): Likewise.
944 (build_continue_stmt): Likewise.
945 (build_case_label): Likewise.
947 * c-parse.in (BREAK): Change to build tree, then generate RTL.
948 (CONTINUE): Likewise.
953 * c-parse.y: Regenerate.
954 * c-pasre.c: Likewise.
956 2000-07-09 Jason Merrill <jason@redhat.com>
958 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
960 * tree.h (STRIP_NOPS): Check for error_mark_node.
961 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
962 (dwarf2out_*): Remove duplicate declarations.
964 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
965 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
967 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
969 * diagnostic.c (wrap_text): New function.
970 (maybe_wrap_text): Likewise.
971 (output_add_string): Use it.
972 (output_format): Likewise.
973 (count_error): Use verbatim instead of notice.
974 (report_error_function): Likewise. Don't use plain fprintf.
975 (finish_diagnostic): New function.
976 (output_do_verbatim): Tweak. Commonalize functionalities in
977 output_verbatim and verbatim.
978 (output_verbatim): Adjust.
979 (verbatim): Likewise.
980 (report_diagnostic): Define.
982 * diagnostic.h (report_diagnostic): Prototype.
984 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
986 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
988 2000-07-09 Neil Booth <NeilB@earthling.net>
990 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
991 IShspace, ISspace: Update.
993 * cppinit.c: ISTABLE: Update.
996 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
997 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
998 (skip_block_comment, skip_line_comment, parse_string,
999 lex_line): Use is_vspace rather than IS_NEWLINE.
1000 (skip_whitespace, lex_line): Clean up to use is_nvspace.
1001 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
1003 (lex_next): Unconditionally stop if within a directive.
1004 Treat directives within macro invocations as directives
1005 (after parse_args emits error), not as the argument.
1007 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
1009 * diagnostic.c (diagnostic_args): New macro.
1010 (diagnostic_msg): Likewise.
1011 (output_formatted_integer): Likewise.
1012 (output_state): New data type.
1013 (digit_buffer): Make global.
1014 (output_add_integer): Rename to output_decimal. Squeeze
1016 (output_long_decimal, output_unsigned_decimal,
1017 output_long_unsigned_decimal, output_octal, output_long_octal,
1018 output_hexadecimal, output_long_hexadecimal): New functions.
1019 (output_append_r): New function.
1020 (output_append): Tweak.
1021 (output_flush_on): Rename to output_to_stream.
1022 (output_format): Change prototype. Improve documentation. Handle
1023 more format specifiers.
1024 (build_location_prefix): Rename to context_as_prefix.
1025 (output_notice): Rename to output_do_printf.
1026 (output_printf): Tweak.
1027 (line_wrapper_printf): Likewise.
1028 (vline_wrapper_message_with_location): Adjust call to renamed
1030 (v_message_with_decl): Likewise.
1031 (default_print_error_function): Likewise.
1032 (save_output_state): New function.
1033 (restore_output_state): Likewise.
1034 (output_do_verbatim): Likewise.
1035 (output_verbatim): Define.
1036 (verbatim): Likewise.
1038 * diagnostic.h (printer_fn): Change return type from void to int.
1039 Improve documentation.
1040 (output_add_integer): Rename to output_decimal.
1041 (output_flush_on, output_format): Don't export.
1042 (output_verbatim, verbatim): Declare.
1044 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
1046 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
1047 Check whether c divides op1 exactly if operation is not
1050 2000-07-08 Richard Henderson <rth@cygnus.com>
1052 * final.c (final): Do not abort when reg-stack introduces
1055 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
1057 * cpplib.h (struct cpp_name): Now struct cpp_string.
1058 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
1059 CPP_HEADER_NAME): Change to type S.
1060 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
1061 field, a cpp_hashnode *. All references to val.name updated
1062 to use val.str or val.node as appropriate.
1063 (struct cpp_reader): Add spec_nodes field.
1064 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
1066 * cpphash.h (struct spec_nodes): New.
1067 (enum spell_type): Reorder. Only SPELL_STRING tokens use
1068 val.str. All references to 'spelling > SPELL_NONE' updated to
1071 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
1072 pfile->buffer->inc are not NULL before dereferencing them.
1074 * cpplex.c (parse_name): Take a pointer to the current token,
1075 plus current position and limit as args; return the new
1076 position; don't copy the text of a name into the string
1077 buffer, instead call cpp_lookup and store the node pointer.
1078 If extending a token, copy out the text of the old into a
1079 scratch buffer, append the new, look that up and store the new
1080 node pointer. Inline.
1081 (maybe_paste_with_next): If the result of paste is a NAME,
1082 then look up the pasted text and store its node pointer.
1083 (lex_line): Adjust for new parse_name interface.
1084 Check for L"str", L'str' using spec_nodes->n_L.
1085 (spell_token): SPELL_IDENT tokens have their spelling in
1086 val.node->name. Handle SPELL_STRING tokens that don't have
1088 (_cpp_expand_name_space,
1089 (can_paste): Check for L ## "str" using spec_nodes->n_L.
1090 (cpp_get_token, special_symbol): No need to call cpp_lookup.
1091 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
1092 return 1=equal 0=not, not a tristate.
1094 * cpphash.c (var_args_str): Delete.
1095 (find_param): Compare node fields directly.
1096 (is__va_args__): Use CPP_PEDANTIC. Just compare
1097 token->val.node with spec_nodes->n__VA_ARGS__.
1098 (dump_funlike_macro): Don't use var_args_str.
1100 * cpplib.c (_cpp_check_directive): Just walk through
1101 spec_nodes->dirs comparing pointers.
1102 (get_define_node, do_pragma_poison, detect_if_not_defined,
1103 parse_ifdef): The identifier has already been looked up.
1104 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
1106 (do_if): Only call detect_if_not_defined at beginning of file.
1107 (_cpp_parse_assertion): Only copy string pointers for
1108 SPELL_STRING tokens.
1109 (pragma_dispatch): Take a node pointer and examine its name
1111 (_cpp_init_stacks): Also initialize the spec_nodes structure.
1113 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
1115 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
1116 reverse order from the corresponding _cpp_init_* routines.
1118 * cppexp.c (parse_number, parse_charconst, parse_defined,
1119 lex): Check val.node->type instead of calling cpp_defined.
1120 Use spec_nodes entries where appropriate.
1122 * fix-header.c, scan-decls.c: Update for interface changes.
1124 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
1126 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
1127 emitting aux_truncdfsf2.
1129 2000-07-03 Donn Terry (donnte@microsoft.com)
1131 * cppinit.c (print_help): split overlong line into ISO C89
1134 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
1136 * cppexp.c: Update all code for new lexer interface.
1137 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
1138 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
1139 * cpplex.c (token_names): Trim leading CPP_ from names; make
1140 the strings unsigned.
1141 (_cpp_spell_operator): New.
1142 (is_macro_disabled): Disable all macros if rescanning
1144 (_cpp_get_directive_token): Remove.
1146 * cppinit.c: Don't set no_macro_expand.
1147 * cpplib.c (read_line_number, do_line): Check only for EOF,
1149 * cpphash.h: Update prototypes.
1150 * cpplib.h (CPP_VSPACE): Remove.
1151 (struct cpp_reader): Remove no_macro_expand.
1153 2000-07-08 Neil Booth <NeilB@earthling.net>
1155 * cpphash.c (is__va_args__): New function.
1156 (count_params): Fix line reported in error messages. Use
1157 is__va_args__. Don't return ')' on error. Flag GNU style
1158 rest args macro definitions.
1159 (parse_define): Check macro name is not __VA_ARGS__.
1160 (save_expansion): Check identifier in non-varargs-macro is
1161 not __VA_ARGS__. Don't flag GNU_VARARGS.
1162 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
1163 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
1164 than per-token GNU_VARARGS.
1165 * cpplib.h (GNU_VARARGS): Remove.
1166 (GNU_REST_ARGS): New.
1168 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
1170 * i386.md (call_pop, call, call_value_pop): Do not set
1171 current_function_uses_pic_offset_table for calls to static
1172 functions or indirect calls.
1174 2000-07-07 Jim Wilson <wilson@cygnus.com>
1176 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
1177 is_predicate_reg, then take max write_count of register pair.
1179 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1181 * tradcpp.c (main): Rename label `include' to `add_include' to
1182 avoid conflicts with variable `include' in traditional C.
1184 2000-07-07 Jakub Jelinek <jakub@redhat.com>
1186 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
1188 2000-07-07 Jakub Jelinek <jakub@redhat.com>
1190 * sibcall.c (uses_addressof): Add INMEM argument, check for
1191 current_function_internal_arg_pointer outside of MEM rtxs in addition
1193 (sequence_uses_addressof): Update caller.
1195 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
1197 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
1200 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1202 * system.h (UNION_INIT_ZERO): New macro for initializing union
1205 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
1207 2000-07-07 Neil Booth <NeilB@earthling.net>
1211 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
1213 * final.c (final): Detect out of bounds array access to
1214 the insn_lengths array.
1216 2000-07-07 Kazu Hirata <kazu@hxi.com>
1218 * fold-const.c (fold): Fix a comment typo.
1220 2000-07-07 Neil Booth <NeilB@earthling.net>
1222 * cpp.texi: Update to new lexer.
1224 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
1226 * tradcpp.c: New file.
1227 * tradcif.y: New file.
1228 * tradcif.c: New generated file.
1230 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
1231 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
1232 dependencies of C. Install tradcpp from install-common, in
1235 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
1237 * cppinit.c: Include cppdefault.h. Refer to
1238 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
1239 to GCC_INCLUDE_DIR and its length.
1240 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
1241 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
1242 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
1244 (include_defaults_array): Move to cppdefault.c.
1246 * cppdefault.h: New file.
1247 * cppdefault.c: New file.
1249 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
1250 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
1251 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
1254 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1256 * reload.c (push_reload): When seeing if can reuse a register,
1257 check extra registers against widest of INMODE and OUTMODE.
1259 2000-07-06 Neil Booth <NeilB@earthling.net>
1261 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
1262 based on full length of predicate.
1264 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
1266 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
1267 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
1269 2000-07-05 Kazu Hirata <kazu@hxi.com>
1271 * h8300-proto.h: Fix formatting.
1272 * h8300.c: Likewise.
1273 * h8300.h: Likewise.
1275 2000-07-05 Jim Wilson <wilson@cygnus.com>
1277 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
1280 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
1282 * invoke.texi: Fix minor typos
1283 * md.texi: Fix minor typos
1285 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
1287 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
1289 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1291 * cpplex.c: Don't include sys/mman.h.
1292 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
1294 * cpplib.c: Include sys/mman.h and obstack.h.
1295 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
1297 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
1298 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
1299 bother freeing if stack entries (they will be freed with their buffer).
1300 (do_endif): Free if stack entries from the buffer obstack.
1301 (push_conditional): Allocate if stack entries from the buffer obstack.
1303 (find_answer): Rename to _cpp_find_answer.
1304 (do_assert, do_unassert): Update.
1306 * cpphash.h: Update prototypes.
1307 (xobnew): New convenience macro.
1308 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
1310 (struct cpp_hashnode): Remove disabled field.
1312 * cppinit.c: Don't include hashtab.h or splay-tree.h.
1313 (report_missing_guard): Moved to cppfiles.c.
1314 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
1316 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
1317 cpp_cleanup_includes. Don't destroy hashtab or
1318 all_include_files here.
1319 (cpp_finish): Use _cpp_report_missing_guards.
1321 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
1322 (_cpp_init_include_table): Rename _cpp_init_includes.
1323 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
1325 * cppexp.c (parse_assertion): Update for new name of
1328 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
1330 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1332 * cpplib.c (do_ident): s/VSPACE/EOF/
1334 2000-07-05 Neil Booth <NeilB@earthling.net>
1336 * cpplex.c: Fix trigraph replacement within strings.
1338 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1340 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
1342 * xcoffout.c (assign_type_number): Constify.
1343 (xcoffout_source_file): Add static prototype. Don't needlessly
1344 cast away const-ness.
1346 2000-07-04 Jason Merrill <jason@redhat.com>
1348 * frame.h (frame_state): Move base_offset to end.
1350 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1352 * calls.c (emit_library_call_value_1): Revert previous change.
1354 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1356 * fix-header.c (struct partial_proto): Remove unnecessary fields.
1357 (recognized_extern, recognized_function, read_scan_file):
1358 Update for new scheme.
1359 (check_protection): It's still a multiple include guard even
1360 if it doesn't always trigger.
1361 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
1363 * scan.h: Declare struct cpp_token. Update prototypes.
1365 2000-07-03 Neil Booth <neilb@earthling.net>
1366 Zack Weinberg <zack@wolery.cumb.org>
1368 Complete overhaul of the lexer and macro expander.
1370 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
1371 arg, arglist, argdata, reflist, collect_objlike_expansion,
1372 collect_funlike_expansion, collect_params,
1373 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
1374 unsafe_chars, macarg, compare_defs, special_symbol,
1375 scan_arguments, stringify, funlike_macroexpand,
1376 _cpp_quote_string, monthnames): Delete.
1377 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
1378 _cpp_create_definition, _cpp_dump_definition,
1379 dump_hash_helper): Adjust.
1380 (find_param, count_params, parse_define, var_args_str,
1381 check_macro_redefinition, save_expansion): New.
1383 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
1384 parse_string, output_line_command, trigraph_replace,
1385 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
1386 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
1387 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
1388 _cpp_skip_rest_of_line): Modify.
1390 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
1391 find_position, null_warning, bump_column, expand_name_space,
1392 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
1393 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
1394 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
1395 _cpp_prescan): Delete.
1397 (dump_param_spelling, process_directive, lex_next,
1398 is_macro_disabled, stringify_arg, expand_context_stack,
1399 output_token, make_string_token, alloc_number_token,
1400 special_symbol, duplicate_token, maybe_paste_with_next,
1401 can_paste, prevent_macro_expansion, restore_macro_expansion,
1402 get_temp_token, release_temp_tokens, quote_string,
1403 token_names, token_spellings, _cpp_expand_name_space,
1404 _cpp_glue_header_name, _cpp_reserve_name_space,
1405 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
1406 placemarker_token, eof_token, cpp_context, macro_args,
1407 get_raw_token, parse_arg, parse_args, save_token,
1408 push_arg_context, push_macro_context, pop_context,
1409 do_pop_context, free_macro_args, _cpp_get_line,
1410 _cpp_run_directive): New.
1412 * cpplib.c (validate_else, parse_include, push_conditional,
1413 pass_thru_directive, read_line_number, parse_ifdef,
1414 detect_if_not_defined, _cpp_check_directive, do_define,
1415 do_undef, do_include, do_import, do_include_next, do_error,
1416 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
1417 top_pragmas, do_pragma_gcc, do_pragma_implementation,
1418 do_pragma_poison, do_pragma_system_header,
1419 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
1420 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
1421 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
1422 cpp_defined): Update for new scheme.
1423 (strtoul_for_line, get_define_node, dump_macro_name,
1424 _cpp_check_linemarker, _cpp_parse_assertion): New.
1425 (_cpp_handle_directive, do_pragma_default): Delete.
1427 * cpphash.h (struct predicate): Now struct answer.
1428 (enum spell_type, struct token_spelling, struct directive,
1429 directive_handler): New.
1430 Update prototypes. Remove unused macros.
1431 * cpplib.h: Update prototypes. Remove unused macros,
1432 structure definitions, and fields.
1434 * cpperror.c (print_containing_files, v_message): Adjust.
1435 * cppexp.c (parse_assertion, lex, parse_escape,
1436 _cpp_parse_expr): Adjust.
1437 * cppfiles.c (open_include_file, _cpp_execute_include,
1438 _cpp_compare_file_date, cpp_read_file, read_include_file):
1440 * cppinit.c (dump_special_to_buffer): Delete.
1441 (append_include_chain, merge_include_chains, cpp_reader_init,
1442 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
1443 cpp_finish, handle_option, print_help): Adjust.
1444 * cppmain.c (main): Adjust.
1446 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1448 * cppspec.c (lang_specific_driver): Use double quotes in error
1451 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1453 * calls.c (emit_library_call_value_1): Use valreg instead
1454 of hard_libcall_value.
1456 2000-07-03 Geoff Keating <geoffk@cygnus.com>
1458 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
1459 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
1460 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
1468 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
1469 mode instead of wider_mode is being used.
1471 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1473 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
1474 of 'r'. Use q_regs_operand.
1475 (andsi_1+2): Use q_regs_operand.
1477 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1479 * builtins.c (get_memory_rtx): Always put into alias set 0.
1481 2000-07-03 Nick Clifton <nickc@cygnus.com>
1483 * config/arm/arm.md: Fix post increment and pre increment
1484 peepholes so that they do not generate UNPREDICATBLE opcodes.
1485 (ie ones where the increment clobbers the source/destination).
1487 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
1489 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
1490 change too big for -mtiny-stack" a warning, if larger than 63.
1491 (out_set_stack_ptr): Change the logic so -mno-interrupts is
1492 always safe to use on possible future devices.
1493 (function_prologue): Write SPH before SPL, for consistency.
1494 If interrupt_func_p true, we know we have enabled interrupts.
1495 (avr_num_arg_regs): New function. Round up to even number of
1496 bytes if no -mpack-args or if calling a libgcc function.
1497 (function_arg, function_arg_advance): Use it.
1498 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
1499 Output "movw" if available.
1500 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
1501 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
1502 (asm_output_section_name): Add blanks for consistent output.
1503 (encode_section_info): Set TREE_READONLY for progmem data to
1504 avoid gas warnings about changed section attributes.
1505 (avr_hard_regno_mode_ok): Force non-QImode data to start in
1506 even numbered registers on devices with "movw".
1507 * config/avr/avr.h (MASK_*): Define bits for target_flags.
1508 (TARGET_SWITCHES): Mark help strings for translation.
1509 Add new -mpack-args and -menhanced switches.
1510 (TARGET_OPTIONS): Mark help strings for translation.
1511 (progmem_section): Add section attributes.
1512 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
1513 Output "movw" if available.
1514 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
1516 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
1517 call convention (arguments aligned on even registers).
1518 (_cleanup, _exit): Make weak symbols libc can override.
1520 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1522 * fp-bit.h: New file.
1524 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
1525 Comment #endif statements.
1526 (__thenan_sf, __thenan_df): Add missing braces around initializer.
1528 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
1530 * gcse.c (compute_pre_data): Compute ae_kill using other local
1531 properties instead of calling compute_ae_kill.
1533 * alias.c (init_alias_analysis): Do not call
1534 prologue_epilogue_contains until after reload has completed.
1536 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
1538 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
1539 (genrtl_finish_compound_stmt): Likewise.
1540 (genrtl_compound_stmt): Change to return void.
1542 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
1543 move code from here to ...
1544 (genrtl_compound_stmt): ... here.
1545 (genrtl_finish_compound_stmt): Remove.
1546 (expand_stmt): Add comment.
1548 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
1550 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
1553 2000-07-02 Jakub Jelinek <jakub@redhat.com>
1555 * cpplib.h (struct cpp_reader): New field include_depth.
1556 (struct cpp_printer): Rename last_bsd to last_id.
1557 * cppfiles.c (read_include_file): Bump include_depth.
1558 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
1559 (output_line_command): Output correct #line if a header
1560 is including itself and is not protected against multiple inclusion.
1561 Use include_depth instead of buffer_stack_depth, last_id instead of
1563 * cppinit.c (cpp_start_read): Initialize last_id instead of
1566 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
1568 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
1569 (c-semantics.o): New target.
1571 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
1572 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
1573 (genrtl_clear_out_block): Likewise.
1574 (genrtl_goto_stmt): Likewise.
1575 (genrtl_expr_stmt): Likewise.
1576 (genrtl_decl_stmt): Likewise.
1577 (genrtl_if_stmt): Likewise.
1578 (genrtl_while_stmt): Likewise.
1579 (genrtl_do_stmt): Likewise.
1580 (genrtl_return_stmt): Likewise.
1581 (genrtl_for_stmt): Likewise.
1582 (genrtl_break_stmt): Likewise.
1583 (genrtl_continue_stmt): Likewise.
1584 (genrtl_scope_stmt): Likewise.
1585 (genrtl_switch_stmt): Likewise.
1586 (genrtl_case_label): Likewise.
1587 (genrtl_begin_compound_stmt): Likewise.
1588 (gerntl_finish_compound_stmt): Likewise.
1589 (genrtl_compound_stmt): Likewise.
1590 (genrtl_asm_stmt): Likewise.
1591 (genrtl_decl_cleanup): Likewise.
1592 (DECL_ANON_UNION_ELEMS): Likewise.
1593 (emit_local_var): Likewise.
1594 (make_rtl_for_local_static): Likewise.
1595 (expand_cond): Likewise.
1596 (expand_stmt): Likewise.
1597 (c_expand_return): Likewise.
1598 (c_expand_start_case): Likewise.
1599 (do_case): Likewise.
1600 (COMPOUND_STMT_NO_SCOPE): Likewise.
1601 (c_expand_asm_operands): Likewise.
1602 (NEW_FOR_SCOPE_P): New macro.
1603 (expand_expr_stmt_fn): New type.
1605 (set_current_function_name_declared): Likewise.
1606 (current_function_name_declared): Likewise.
1607 (lang_expand_stmt): Likewise.
1608 (stmts_are_full_exprs_p): Likewise.
1609 (anon_aggr_type_p): Likewise.
1610 (lang_expand_expr_stmt): Likewise.
1611 (build_case_label): Likewise.
1613 * c-decl.c (lang_expand_expr_stmt): Initialize.
1614 (stmts_are_full_exprs_p): Define.
1615 (current_function_name_declared): Likewise.
1616 (do_case): Likewise.
1617 (lang_expand_stmt): Likewise.
1618 (set_current_function_name_declared): Likewise.
1619 (anon_aggr_type_p): Likewise.
1621 * c-semantics.c: New file.
1622 (expand_cond): Moved from cp/semantics.c.
1623 (genrtl_do_pushlevel): Likewise.
1624 (genrtl_clear_out_block): Likewise.
1625 (genrtl_goto_stmt): Likewise.
1626 (genrtl_expr_stmt): Likewise.
1627 (genrtl_decl_stmt): Likewise.
1628 (genrtl_if_stmt): Likewise.
1629 (genrtl_while_stmt): Likewise.
1630 (genrtl_do_stmt): Likewise.
1631 (genrtl_return_stmt): Likewise.
1632 (genrtl_for_stmt): Likewise.
1633 (genrtl_break_stmt): Likewise.
1634 (genrtl_continue_stmt): Likewise.
1635 (genrtl_scope_stmt): Likewise.
1636 (genrtl_switch_stmt): Likewise.
1637 (genrtl_case_label): Likewise.
1638 (genrtl_begin_compound_stmt): Likewise.
1639 (genrtl_finish_compound_stmt): Likewise.
1640 (genrtl_compound_stmt): Likewise.
1641 (genrtl_asm_stmt): Likewise.
1642 (genrtl_decl_cleanup): Likewise.
1643 (make_rtl_for_local_static): Moved from cp/decl.c.
1644 (emit_local_var): Likewise.
1645 (expand_stmt): Define.
1647 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
1648 (c_expand_return): Likewise.
1649 (c_expand_start_case): Likewise.
1651 2000-07-01 Richard Henderson <rth@cygnus.com>
1653 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
1654 with the low 13 bits set.
1655 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
1656 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
1657 of the low 13 bits into a CONST plus an adddi3.
1658 (load_symptr): Set RTX_UNCHANGING_P.
1660 2000-06-30 Mark Mitchell <mark@codesourcery.com>
1662 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
1663 * c-common.c (ridpointers): Declare.
1664 * c-common.h (enum rid): Declare.
1666 (ridpointers): Likewise.
1667 * c-lex.c (ridpointers): Don't declare.
1668 (init_lex): Initialize ridpointers.
1669 * c-lex.h (enum rid): Don't declare.
1671 (RID_FIRST_MODIFIER): Likewise.
1672 (ridpointers): Likewise.
1674 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1676 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
1679 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
1681 * invoke.texi (-Wreturn-type): In C++, a missing return type is
1684 2000-06-30 Catherine Moore <clm@cygnus.com>
1686 * c-common.c (decl_attributes): Differentiate between
1687 types and type decls for alignment.
1689 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
1691 * cpp.texi: Document #pragma GCC dependency
1692 * cppfiles.c (open_include_file): Set date to unknown.
1693 (_cpp_compare_file_date): New function.
1694 (read_include_file): Set file date.
1695 * cpphash.h (struct include_file): Add date member.
1696 (_cpp_compare_file_date): Prototype.
1697 * cpplib.c (parse_include): Add trail parameter. Adjust.
1698 (do_include): Adjust parse_include call.
1699 (do_import): Likewise.
1700 (do_include_next): Likewise.
1701 (gcc_pragmas): Add dependency pragma.
1702 (do_pragma_dependancy): New pragma.
1704 2000-06-29 Jason Merrill <jason@redhat.com>
1706 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
1709 2000-06-29 Jim Wilson <wilson@cygnus.com>
1711 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
1712 a volatile mem and FR_REGS.
1714 2000-06-29 Mark Mitchell <mark@codesourcery.com>
1716 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
1717 * c-common.h (flag_const_strings): Declare.
1718 (warn_format): Likewise.
1719 (flag_traditional): Likewise.
1720 (flag_isoc99): Likewise.
1721 (warn_parentheses): Likewise.
1722 (warn_conversion): Likewise.
1723 (C_TYPE_OBJECT_P): Likewise.
1724 (C_TYPE_INCOMPLETE_P): Likewise.
1725 (C_TYPE_FUNCTION_P): Likewise.
1726 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1727 (C_EXP_ORIGINAL_CODE): Likewise.
1728 (build_unary_op): Likewise.
1729 (build_binary_op): Likewise.
1730 (lvalue_p): Likewise.
1731 (default_conversion): Likewise.
1732 (common_type): Likewise.
1733 * c-tree.h (C_TYPE_OBJECT_P): Remove.
1734 (C_TYPE_INCOMPLETE_P): Likewise.
1735 (C_TYPE_FUNCTION_P): Likewise.
1736 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1737 (C_EXP_ORIGINAL_CODE): Likewise.
1738 (common_type): Likewise.
1739 (default_conversion): Likewise.
1740 (build_binary_op): Likewise.
1741 (build_unary_op): Likewise.
1742 (lvalue_p): Likewise.
1743 (flag_const_strings): Likewise.
1744 (warn_format): Likewise.
1745 (warn_conversion): Likewise.
1746 (flag_traditional): Likewise.
1747 (flag_isoc99): Likewise.
1748 (warn_parentheses): Likewise.
1750 2000-06-29 James E. Wilson <wilson@cygnus.com>
1752 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
1754 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
1755 same. Only tie XFmode with XFmode.
1757 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
1759 * c-decl.c, timevar.c, tlink.c: Include intl.h.
1760 * Makefile.in: Update deps.
1762 2000-06-29 Andrew Haley <aph@cygnus.com>
1764 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
1767 2000-06-29 Andrew Haley <aph@cygnus.com>
1769 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
1770 bytes: remove the multiply by 8.
1772 2000-06-29 Philipp Thomas <pthomas@suse.de>
1774 * rtl.c : Revert NLS changes.
1775 * gcc.c : Fix bug in display_help introced by my last changes.
1777 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
1779 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
1780 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
1782 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1784 * flow.c (flow_depth_first_order_compute): Fix algorithm.
1786 2000-06-28 Philipp Thomas <pthomas@suse.de>
1788 * c-decl.c : Mark strings for translation.
1789 (parmlist_tags_warning): Use distinct messages instead
1790 of conditional expressions.
1791 * diagnostic.c (v_message_with_decl): Mark string for translation.
1792 * gcc.c: Mark messages for translation.
1793 (display_help): Combine messages into one string where necessary.
1794 * mips-tfile: Add intl.h. Mark messages for translation.
1795 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
1796 messages for translation.
1797 * timevar.c: Mark messages for translation.
1798 * tlink.c: Likewise.
1799 * toplev.c: Likewise.
1801 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
1803 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
1805 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
1806 use -isystem instead of -idirafter.
1807 * i386/i386-interix.h: Likewise.
1809 2000-06-28 Jason Merrill <jason@redhat.com>
1811 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
1812 unless DWARF2_DEBUGGING_INFO is defined.
1813 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
1815 2000-06-28 Richard Henderson <rth@cygnus.com>
1817 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
1819 2000-06-28 Jakub Jelinek <jakub@redhat.com>
1821 * cpplex.c (output_line_command): Output correct #line if a header
1822 is including itself and is not protected against multiple inclusion.
1824 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
1826 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
1827 ENFILE, close all cached file descriptors and try again.
1828 (_cpp_execute_include): Keep a count of the number of times
1829 each header is included.
1830 (close_cached_fd): New function.
1831 * cpphash.h (struct include_file): Rename before to
1832 include_count; all users updated. Make include_count and sysp
1834 * cppinit.c (cpp_finish): If -H, report headers that could use
1836 (report_missing_guard): New function.
1838 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
1840 * i386.md (prologue_set_got): Set length_immediate field.
1841 (testqi_ccno_1): Add missing '@' character.
1843 2000-06-27 Jason Merrill <jason@redhat.com>
1845 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
1848 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
1850 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
1851 unsigned macros available.
1853 2000-06-27 Richard Henderson <rth@cygnus.com>
1855 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
1856 epilogue_deallocate_stack.
1858 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
1859 completers for UNORDERED and ORDERED as well.
1860 * config/ia64/ia64.md (bunordered, bordered): New.
1861 (sunordered, sordered): New.
1863 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
1865 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
1866 * i386.c (ix86_attr_length_default): Kill.
1867 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1869 * i386-protos.h (ix86_attr_length_default): Kill
1870 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1872 * i386.md (attribute type): Add "test".
1873 (attribute length_prefix): Kill.
1874 (attribute length_opcode): Kill.
1875 (attribute i387, mode, length_immediate, length_address, prefix_data16,
1876 prefix_rep, prefix_0f, modrm): New.
1877 (attribute length): Compute using the new attributes.
1878 (attribute pent_prefix): New.
1879 (attribute pent_pair): Compute using pent_prefix.
1880 (all insn patterns): Set mode,modrm and immediate_length attributes where
1882 (cmpsi patterns): Compute sizes propertly for test instruction.
1883 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
1884 (movstricthi_xor, movstrictqi_xor): New patterns.
1885 (andsi/andhi): Use splitters to generate xor instructions.
1886 (xorqi_ext_1): New pattern.
1887 (movstricthi->movstricthi_xor peep2): New.
1889 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
1891 * i386.md (addqi_low_1): Remove.
1893 2000-06-27 Philipp Thomas <pthomas@suse.de>
1895 * 1750a.h: Mark help strings for options/switches for translation.
1897 * alpha.h: Likewise.
1900 * riscix.h: Likewise.
1902 * clipper.h: Likewise.
1903 * convex.h: Likewise.
1904 * elxsi.h: Likewise.
1907 * h8300.h: Likewise.
1909 * cygwin.h: Likewise.
1911 * djgpp.h: Likewise.
1913 * osf1elf.h: Likewise.
1914 * osfrose.h: Likewise.
1916 * win32.h: Likewise.
1918 * paragon.h: Likewise.
1922 * mcore.h: Likewise.
1924 * mn10300.h: Likewise.
1925 * ns32k.h: Likewise.
1926 * pdp11.h: Likewise.
1929 * aix41.h: Likewise.
1930 * aix43.h: Likewise.
1932 * rs6000.h: Likewise.
1933 * sysv4.h: Likewise.
1934 * linux.h: Likewise.
1935 * linux64.h: Likewise.
1936 * sp64-elf.h: Likewise.
1937 * sparc.h: Likewise.
1938 * splet.h: Likewise.
1940 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
1942 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
1943 Properly document option and mark for translation.
1944 * sp86x-elf.h: Likewise.
1946 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
1948 Add MMX and SSE registers to i386 machine description.
1949 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
1950 ix86_local_alignment): Declare.
1952 * i386.h (TARGET_MMX, TARGET_SSE): New.
1953 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1954 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1955 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
1956 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
1957 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
1958 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
1959 (RETURN_IN_MEMORY): Handle MMX/SSE.
1960 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
1961 also get stack space.
1962 (MUST_PASS_IN_STACK): Added TImode to the default definition.
1963 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
1964 (MMX_REGISTER_NAMES): New.
1965 (ALIGN_MODE_128): New macro.
1966 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
1967 (DATA_ALIGNMENT): Likewise.
1968 (LOCAL_ALIGNMENT): Likewise.
1969 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
1970 TARGET_MMX/TARGET_SSE.
1971 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
1972 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
1973 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
1974 SSE/MMX regs and something else.
1975 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
1976 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
1977 3 if moving between MMX regs and something else.
1979 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
1980 (regclass_map): Add MMX/SSE registers.
1981 (print_operand): Add code to print XMMWORD as appropriate.
1982 (ix86_split_movdi): Abort for MMX regs.
1983 (init_cumulative_args): Also allow SSE_REGS
1984 (function_arg_advance, function_arg): Likewise
1985 (print_reg): Support 'm'. Add case for TImode.
1986 (override_options): TARGET_SSE implies TARGET_MMX.
1987 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
1990 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
1992 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
1994 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
1995 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
1997 2000-06-26 Geoff Keating <geoffk@cygnus.com>
1999 * ssa.c (struct rename_set_data): Change the name of field
2000 'set_dest' to 'old_reg'. Add comments.
2001 (struct rename_context): Change the name of 'set_data' to
2002 'new_renames'. Add new field 'done_renames'.
2003 (create_delayed_rename): New function.
2004 (apply_delayed_renames): New function.
2005 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
2006 SUBREGs and similar by emitting a move.
2007 (new_registers_for_updates): Delete, functionality moved to
2008 apply_delayed_renames.
2009 (rename_block): Handle moves emitted by rename_insn_1 by putting
2010 them into a SEQUENCE with the original insn. Add sanity checks
2012 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
2013 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
2015 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
2016 Jason Merrill <jason@redhat.com>
2018 * dwarf2.h (enum dwarf_call_frame_info): Add
2019 DW_CFA_def_cfa_expression.
2020 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
2021 dw_loc_descr_struct entry.
2022 (struct cfa_loc): New structure to track a CFA location.
2023 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
2024 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
2025 offset, plus handle DW_CFA_def_cfa_expression.
2026 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
2028 (dwarf2out_def_cfa): Entry point maintained for compatability.
2029 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
2030 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
2031 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
2032 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
2034 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
2035 sequences for the new DW_CFA_def_cfa_expression record.
2036 (dwarf2out_frame_debug): Use new variables/fields.A
2037 (output_cfi): Handle DW_CFA_def_cfa_expression.
2038 (output_cfa_loc): New function to generate a CFI record for
2039 DW_CFA_def_cfa_expression.
2040 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
2041 a dw_loc_descr sequeunce.
2042 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
2043 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
2044 size_of_locs, output_loc_operands, output_loc_sequence): Move into
2045 unwind info section.
2046 * frame.h (frame_state): Add base_offset and indirect fields.
2047 * frame-dwarf2.c (decode_stack_op): New function to interpret a
2048 dw_loc_descr operation.
2049 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
2050 (struct frame_state): Add base offset and indirect fields.
2051 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
2053 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
2055 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
2056 Make warnings about implicit int be pedwarns in C99. Don't warn
2057 about duplicate type qualifiers in C99.
2058 (start_function): Make warning about implict int return type be a
2060 * c-lex.c (yylex): Don't warn about `long long' in C99.
2061 * c-typeck.c (c_expand_return): In C99, always pedwarn about
2062 `return' with no value in function returning non-void.
2064 2000-06-26 Richard Henderson <rth@cygnus.com>
2066 * c-typeck.c (pedwarn_c99): New.
2067 * diagnostic.c (verror, vwarning, vpedwarn): Export.
2068 * toplev.h: Prototype them.
2070 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2072 * c-typeck.c (digest_init): Return error_mark_node node when
2073 TREE_TYPE (init) == error_mark_node.
2075 2000-06-26 Philipp Thomas <pthomas@suse.de>
2077 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
2078 test for msgfmt without path instead.
2079 * configure: Rebuilt.
2081 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2083 * gengenrtl.c (special_rtx): Fix typo in comment.
2085 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2087 * mklibgcc.in (LIB2FUNCS): Add missing space.
2089 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
2091 * tree.h (enum tree_index): Add vector type nodes.
2092 Add accessor macros for them.
2093 (TYPE_REPRESENATION_TYPE): New macro.
2094 * tree.c (build_common_tree_nodes_2): Build these nodes.
2095 (finish_vector_type): New function.
2096 * c-common.c (type_for_mode): Handle vector modes.
2097 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
2099 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
2100 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
2101 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
2102 (gen_type_die): Likewise.
2103 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
2104 (fundamental_type_code): Likewise.
2105 (type_is_fundamental): VECTOR_TYPEs aren't.
2106 (output_type): Handle VECTOR_TYPEs.
2108 2000-06-25 Kazu Hirata <kazu@hxi.com>
2110 * config/arm.c: Fix a comment typo.
2111 * config/arm.h: Likewise.
2113 2000-06-25 Philipp Thomas <pthomas@suse.de>
2115 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
2117 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
2118 * configure: Rebuilt.
2120 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
2122 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
2124 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2126 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
2129 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
2131 * collect2.c (resolve_lib_name): Move '/' check out of loop.
2133 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
2135 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
2137 2000-06-24 Jakub Jelinek <jakub@redhat.com>
2139 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
2140 last_unconditional_cleanup.
2142 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
2144 * tree.def (VECTOR_TYPE): New node type.
2145 * tree.h: Adjust some comments to reflect addition of vector types.
2146 (TYPE_VECTOR_SUBPARTS): New macro.
2147 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
2148 * c-convert.c (convert): Likewise.
2149 * convert.c (convert_to_integer): Handle vector modes.
2150 (convert_to_vector): New function.
2151 * convert.h (convert_to_vector): Declare.
2152 * expr.c (convert_move): Handle vector modes.
2153 * expmed.c (extract_bit_field): Don't abort for vector modes.
2155 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
2157 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
2158 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
2159 New functions, common code moved from function_{prologue,epilogue}
2160 and extended to support the -mtiny-stack option.
2161 (function_prologue, function_epilogue): Use them.
2162 Use lo8/hi8 consistently for asm output readability.
2163 (avr_hard_regno_mode_ok): New function.
2164 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
2165 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
2166 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
2167 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
2168 Write SPH before SPL.
2169 (*movqi): No need to disable interrupts for just one "out"
2170 in alternative 5. Change length attribute from 4 to 1.
2171 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
2172 Write SPH before SPL.
2174 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
2176 * rtl.texi (Vector Operations): New node.
2177 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
2178 (Conversions): Add ss_truncate, us_truncate.
2179 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
2180 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
2181 US_TRUNCATE): New rtx codes.
2182 * machmode.def: Add vector modes.
2183 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
2185 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
2186 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
2187 (VECTOR_MODE_P): New.
2189 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
2191 * cpp.texi: Clarify #pragma GCC namespace.
2193 2000-06-24 Philipp Thomas <pthomas@suse.de>
2195 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
2196 all catalogs specified in ALL_LINGUAS.
2197 * configure: Rebuilt.
2199 2000-06-23 Jakub Jelinek <jakub@redhat.com>
2201 * config/sparc/sparc.md (reload_outdi+1): Handle
2202 HOST_BITS_PER_WIDE_INT == 64 case correctly.
2203 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
2205 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
2207 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
2208 struct vs. scalar-ness when -fno-strict-aliasing.
2210 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
2212 * cpplib.c (struct pragma_entry): New structure.
2213 (pragma_dispatch): Pragma dispatcher.
2214 (top_pragmas, gcc_pragmas): New static variables.
2215 (do_pragma): Use pragma_dispatch.
2216 (do_pragma_gcc): New pragma handler.
2219 2000-06-23 Jakub Jelinek <jakub@redhat.com>
2221 * calls.c (compute_argument_addresses): Force stack slots into
2223 * expr.c (emit_push_insn): Force pushes into alias set 0.
2225 2000-06-23 Richard Henderson <rth@cygnus.com>
2227 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
2228 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
2230 2000-06-22 Jason Merrill <jason@redhat.com>
2232 * toplev.c (compile_file): Always call timevar_print.
2233 * Makefile.in (calls.o): Depend on TIMEVAR_H.
2235 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
2237 * varasm.c (constant_descriptor): Make contents unsigned char.
2238 (mark_const_hash_entry): Adjust.
2239 (const_hash): Just hash the code of unknown nodes.
2240 (compare_constant_1): Adjust for unsigned char.
2241 Use language specific expander on unknown nodes.
2242 (record_constant_1): Likewise.
2244 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
2246 * cppfiles.c (cpp_make_system_header): New function.
2247 * cpplib.h: Prototype it.
2248 * cpplib.c (do_line, do_pragma_system_header): Use it.
2249 * fix-header.c (read_scan_file): Use it.
2251 * fix-header.c (check_macro_names): Cast second arg of
2252 cpp_defined to const unsigned char *.
2253 (read_scan_file): Make getchar_call const unsigned char.
2255 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
2257 * cppfiles.c: Include splay-tree.h, not hashtab.h.
2258 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
2259 (destroy_include_file_node): New.
2260 (_cpp_init_include_hash): Rename _cpp_init_include_table.
2261 Create a splay tree, not a hash table.
2262 (open_include_file): Look up the path in the include table,
2263 do the multiple include optimization here, etc.
2264 (cpp_included): Walk the path.
2265 (find_include_file): Just walk the path calling
2266 open_include_file, or call it directly for an absolute path.
2267 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
2269 (read_include_file): Update for new scheme. Don't close the
2270 file unless reading fails.
2271 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
2273 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
2274 (struct include_file): New.
2275 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
2277 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
2280 * cppinit.c: Include splay-tree.h.
2281 (cpp_reader_init, cpp_cleanup): Update.
2283 * cpplib.h (struct cpp_buffer): Change ihash field to
2284 'struct include_file *inc'. Remove system_header_p.
2285 (struct cpp_reader): Change all_include_files to a
2286 struct splay_tree_s *.
2288 * cpplex.c: Update all references to cpp_buffer->ihash and/or
2289 cpp_buffer->system_header_p.
2290 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
2292 * Makefile.in (SPLAY_TREE_H): New macro.
2293 (cppfiles.o, cppinit.o): Update dependencies.
2295 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
2297 * invoke.texi (g++): "g++" is not a script anymore.
2299 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2301 * function.c (round_down): Delete obsolete prototype.
2303 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
2305 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
2307 * configure.in: Use 'test a = b' not 'test a == b'.
2310 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
2312 * Makefile.in: Remove all references to HOST_INTLLIBS.
2314 * cpplex.c (parse_name): Don't warn about $ in identifiers if
2317 2000-06-20 Philipp Thomas <pthomas@suse.de>
2319 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
2322 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2324 * Take REG_INC notes into account.
2326 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
2328 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
2329 (primary: IDENTIFIER): Just call build_external_ref.
2330 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2332 * c-lex.c (lastiddecl): Remove.
2333 (yylex): Replace all instances of lastiddecl with local
2336 * c-typeck.c (build_external_ref): New function. Treat decls
2337 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
2338 Look up the decl from the id here. Call lookup_objc_ivar.
2339 * c-lang.c (lookup_objc_ivar): Stub.
2340 * objc/objc-act.c (lookup_objc_ivar): New function.
2342 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
2343 * c-lex.h: Don't declare lastiddecl.
2345 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
2347 * c-common.h (IF_COND): Added documentation.
2348 (THEN_CLAUSE): Likewise.
2349 (ELSE_CLAUSE): Likewise.
2350 (WHILE_COND): Likewise.
2351 (WHILE_BODY): Likewise.
2352 (DO_COND): Likewise.
2353 (DO_BODY): Likewise.
2354 (RETURN_EXPR): Likewise.
2355 (EXPR_STMT_EXPR): Likewise.
2356 (FOR_INIT_STMT): Likewise.
2357 (FOR_COND): Likewise.
2358 (FOR_EXPR): Likewise.
2359 (FOR_BODY): Likewise.
2360 (SWITCH_COND): Likewise.
2361 (SWITCH_BODY): Likewise.
2362 (CASE_LOW): Likewise.
2363 (CASE_HIGH): Likewise.
2364 (GOTO_DESTINATION): Likewise.
2365 (COMPOUND_BODY): Likewise.
2366 (ASM_CV_QUAL): Likewise.
2367 (ASM_STRING): Likewise.
2368 (ASM_OUTPUTS): Likewise.
2369 (ASM_INPUTS): Likewise.
2370 (ASM_CLOBBERS): Likewise.
2371 (DECL_STMT_DECL): Likewise.
2372 (STMT_EXPR_STMT): Likewise.
2373 (LABEL_STMT_LABEL): Likewise.
2375 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
2376 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
2377 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
2378 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2380 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2382 * configure.in (--enable-checking): Update --help doc to reflect
2383 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
2385 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2387 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
2389 * function.c (put_var_into_stack): Don't reference DECL_ fields
2390 if input is a SAVE_EXPR.
2391 Use set_mem_attributes in COMPLEX case.
2393 2000-06-18 Richard Henderson <rth@cygnus.com>
2395 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
2396 (ia64_file_start): Declare.
2397 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
2398 (GR_REGNO_P): Likewise.
2399 * config/ia64/ia64.c: Many prototypes.
2400 (ia64_reg_numbers): Constify.
2401 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
2402 (ia64_section_threshold): Make unsigned.
2403 (ia64_print_operand): Constify.
2404 (fix_range): Constify.
2405 (ia64_init_builtins): Don't compare signed vs unsigned.
2406 (ia64_expand_builtin): Likewise.
2408 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
2409 (CONSTRAINT_OK_FOR_Q): New.
2410 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
2411 (movsf_internal, movdf_internal): Likewise.
2412 (cmovdi_internal): Rewrite so that constraints and predicates match;
2414 (cmovsi_internal): Likewise.
2416 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
2417 (ASM_FILE_START): New.
2418 * config/ia64/ia64.c (ia64_file_start): New.
2419 (rtx_needs_barrier): Handle pred.rel.mutex.
2420 (emit_predicate_relation_info): New.
2421 * config/ia64/ia64.md (pred_rel_mutex): New.
2422 * config/ia64/linux.h (ASM_SPEC): Define.
2423 * config/ia64/sysv4.h (ASM_FILE_START): Define.
2425 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
2426 filtering global register variables.
2428 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2430 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
2432 2000-06-17 Michael Meissner <meissner@redhat.com>
2434 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
2435 not present and there is a field after a '-'.
2437 2000-06-17 Bruce Korb <bkorb@gnu.org>
2439 * fixinc/check.tpl: finish the implementation of multiple tests
2441 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
2442 (io_quotes_def): add a second test
2443 (various): reorder `files' so that "limits.h" is never first
2444 * fixinc/tests/base/*: update the testing output
2446 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2448 * gcc.texi: Remove reference to stupid.c.
2450 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
2452 * c-common.c (c_tree_code_type): New array.
2453 (c_tree_code_length): Likewise.
2454 (c_tree_code_name): Likewise.
2455 (add_c_tree_codes): New function.
2457 * c-common.h (add_c_tree_codes): Declare.
2458 (enum c_tree_code): New enum.
2460 * c-lex.c (init_parse): Added call to add_c_tree_codes.
2462 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2464 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
2465 select pattern to also match macro defs with only one argument.
2467 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
2469 * i386.md: Create new [right,left] rotate and right shift
2470 patterns to optimize shift by 1 bit for certain ia32 processors.
2471 Update patterns which perform left shifts to optimize shift by
2472 1 bit for certain ia32 processors.
2473 * i386.c (const_int_1_operand): New predicate.
2474 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
2475 * i386-protos.h (const_int_1_operand): Prototype.
2477 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2479 * mips.c (machine_dependent_reorg): Fix braces for nested if.
2481 2000-06-14 Geoff Keating <geoffk@cygnus.com>
2483 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
2486 2000-06-14 Richard Henderson <rth@cygnus.com>
2488 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
2490 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
2493 * print-rtl.c (print_rtx): Emit space before mem alias set.
2495 2000-06-14 David Edelsohn <edelsohn@gnu.org>
2497 * rs6000.c (expand_block_move): Fix typo in earlier change.
2498 (print_operand): Remove unused variables neg and op.
2499 (toc_hash_mark_entry): Fix prototype.
2501 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
2503 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
2504 (THEN_CLAUSE): Likewise.
2505 (ELSE_CLAUSE): Likewise.
2506 (WHILE_COND): Likewise.
2507 (WHILE_BODY): Likewise.
2508 (DO_COND): Likewise.
2509 (DO_BODY): Likewise.
2510 (RETURN_EXPR): Likewise.
2511 (EXPR_STMT_EXPR): Likewise.
2512 (FOR_INIT_STMT): Likewise.
2513 (FOR_COND): Likewise.
2514 (FOR_EXPR): Likewise.
2515 (FOR_BODY): Likewise.
2516 (SWITCH_COND): Likewise.
2517 (SWITCH_BODY): Likewise.
2518 (CASE_LOW): Likewise.
2519 (CASE_HIGH): Likewise.
2520 (GOTO_DESTINATION): Likewise.
2521 (COMPOUND_BODY): Likewise.
2522 (ASM_CV_QUAL): Likewise.
2523 (ASM_STRING): Likewise.
2524 (ASM_OUTPUTS): Likewise.
2525 (ASM_INPUTS): Likewise.
2526 (ASM_CLOBBERS): Likewise.
2527 (DECL_STMT_DECL): Likewise.
2528 (STMT_EXPR_STMT): Likewise.
2529 (LABEL_STMT_LABEL): Likewise.
2530 (SCOPE_BEGIN_P): Likewise.
2531 (SCOPE_END_P): Likewise.
2532 (SCOPE_STMT_BLOCK): Likewise.
2533 (SCOPE_NULLIFIED_P): Likewise.
2534 (SCOPE_NO_CLEANUPS_P): Likewise.
2535 (SCOPE_PARTIAL_P): Likewise.
2536 (ASM_VOLATILE_P): Likewise.
2537 (STMT_LINENO): Likewise.
2538 (STMT_LINENO_FOR_FN_P): Likewise.
2540 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
2541 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
2542 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
2543 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
2544 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2546 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
2548 2000-06-14 David O'Brien <obrien@FreeBSD.org>
2550 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
2551 writable in parts of the GCC code.
2553 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
2554 specification match cast.
2556 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
2558 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
2559 * configure, config.in: Rebuilt.
2560 * sys-protos.h: Similarly.
2562 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
2564 * ifcvt.c (EDGE_COMPLEX): Move definition ...
2565 * basic-block.h (EDGE_COMPLEX): ... here.
2567 * loop.c (check_dbra_loop): Specify the register when
2568 generating REG_NONNEG notes and don't generate duplicates.
2570 2000-06-13 Jakub Jelinek <jakub@redhat.com>
2572 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
2573 (struct tree_type, struct tree_decl): Add user_align member.
2574 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
2575 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
2576 and DECL_USER_ALIGN 0, cap alignment to this value.
2577 (place_field): Likewise.
2578 (finalize_type_size): Set TYPE_USER_ALIGN.
2579 (layout_type): Likewise.
2580 (initialize_sizetypes): Likewise.
2581 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
2582 DECL_USER_ALIGN to 1.
2583 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
2584 (xfer_tag): Set TYPE_USER_ALIGN.
2585 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2586 (finish_enum): Likewise.
2587 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
2588 (expand_anon_union_decl): Likewise.
2589 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2590 (build_index_type): Set TYPE_USER_ALIGN.
2591 (build_range_type): Likewise.
2592 (build_common_tree_nodes_2): Likewise.
2593 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
2595 2000-06-13 Andreas Jaeger <aj@suse.de>
2597 * configure.in: Use --enable-checking=misc,tree,gc by default if
2598 no --enable-checking option is given and for
2599 --enable-checking=yes.
2600 * configure: Rebuilt.
2602 2000-06-13 Richard Henderson <rth@cygnus.com>
2604 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
2605 (__throw): Don't pass the address of a label.
2607 * config/ia64/ia64.c (ia64_compute_frame_size): Use
2608 current_function_is_leaf.
2609 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
2610 instead of reg_names[RETURN_ADDRESS_REGNUM].
2611 (ia64_init_machine_status): Reset return_address_pointer_rtx.
2612 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
2613 from RETURN_ADDRESS_REGNUM. Update all uses.
2614 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
2615 zero instead of null on failure.
2616 (ELIMINABLE_REGS): Add ra->b0 elimination.
2617 (CAN_ELIMINATE): Update accordingly.
2618 (INITIAL_ELIMINATION_OFFSET): Likewise.
2619 (REGISTER_NAMES): Use an illegal assembler name for
2620 RETURN_ADDRESS_POINTER_REGNUM.
2622 2000-06-13 Richard Henderson <rth@cygnus.com>
2624 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
2625 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
2626 (REG_CLASS_NAMES): Likewise.
2627 (REG_CLASS_CONTENTS): Likewise.
2628 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
2629 (HARD_REGNO_MODE_OK): Remove references to them.
2630 (REGNO_REG_CLASS): Likewise.
2631 (REG_CLASS_FROM_LETTER): Likewise.
2632 (CLASS_MAX_NREGS): Likewise.
2633 (REGISTER_MOVE_COST): Likewise.
2634 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
2635 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
2636 (movqi_internal): Special case moves from zero.
2637 (movhi_internal, movsi_internal): Likewise.
2638 (movdi_internal): Likewise. Fill out "f" constraints.
2639 (movsf_internal): Fill out "r" constraints.
2640 (movdf_internal): Likewise.
2642 2000-06-13 Richard Henderson <rth@cygnus.com>
2644 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
2645 alive before reload.
2647 * haifa-sched.c (struct deps): Add in_post_call_group_p.
2648 (add_dependence): Handle notes between SCHED_GROUP_P insns.
2649 (remove_dependence): Always define.
2650 (set_sched_group_p): New.
2651 (sched_analyze_2): Use it.
2652 (sched_analyze_insn): Don't special-case naked uses. Look for
2653 and extend in_post_call_group_p.
2654 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
2655 (init_deps): Clear in_post_call_group_p.
2657 2000-06-13 Richard Henderson <rth@cygnus.com>
2659 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
2660 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
2661 and hard-coded tests.
2662 (simplify_set): Likewise.
2663 (gen_lowpart_for_combine): Likewise.
2664 * emit-rtl.c (gen_lowpart_common): Likewise.
2665 * global.c (find_reg): Likewise.
2666 * local-alloc.c (find_free_reg): Likewise.
2667 * recog.c (register_operand): Likewise.
2668 * regclass.c (init_reg_sets_1): Likewise.
2669 (record_operand_costs, regclass): Likewise.
2670 * reload.c (push_reload): Likewise.
2671 * reload1.c (choose_reload_regs): Likewise.
2672 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
2673 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
2674 Update all references.
2675 * regs.h (struct reg_info_def): Likewise.
2676 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
2677 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
2678 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
2680 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
2681 (CLASS_CANNOT_CHANGE_MODE_P): New.
2682 * config/mips/mips.h: Likewise.
2683 * config/pa/pa32-regs.h: Likewise.
2684 * config/pa/pa64-regs.h: Likewise.
2685 * config/rs6000/rs6000.h: Likewise.
2686 * config/sh/sh.h: Likewise.
2687 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
2688 (CLASS_CANNOT_CHANGE_MODE_P): New.
2689 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
2690 * config/d30v/d30v.h: Likewise.
2692 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2694 * configure.in: Add AC_TYPE_GETGROUPS test.
2695 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
2696 * configure: Rebuilt.
2697 * config.in: Rebuilt.
2699 2000-06-13 Richard Henderson <rth@cygnus.com>
2701 * explow.c (set_mem_attributes): Do nothing for NULL type.
2703 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
2705 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
2708 2000-06-13 James E. Wilson <wilson@cygnus.com>
2710 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
2712 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
2714 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
2716 2000-06-13 Philipp Thomas <pthomas@suse.de>
2718 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
2719 * configure: Rebuilt.
2721 2000-06-07 David O'Brien <obrien@FreeBSD.org>
2723 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
2724 We now default to ELF for the i386, and a.out is the special case.
2725 * configure: Rebuilt.
2727 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
2729 * final.c (final_scan_insn): Delete notes between cc0 setter and
2730 user when restarting from setter.
2732 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2734 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
2735 cast to squelch signed/unsigned warnings.
2737 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
2739 * cpplib.c (handle_directive): Print non-NUL-terminated string
2742 2000-06-12 Michael Meissner <meissner@redhat.com>
2744 * ifcvt.c (dead_or_predicable): Don't do conditional execution
2745 path if the machine needs extra support to do conditional
2748 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
2750 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
2751 to print the alias set.
2752 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
2754 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2756 * config/float-vax.h: Add GFLOAT defines.
2758 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
2760 * configure.in: Update tm dependencies for MPE.
2761 * configure: Rebuilt.
2763 2000-06-12 H.J. Lu <hjl@gnu.org>
2765 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
2767 2000-06-12 David Edelsohn <edelsohn@gnu.org>
2769 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
2770 (CPP_SPEC): Change mthreads to pthread.
2771 (LIB_SPEC): Likewise.
2772 (STARTFILE_SPEC): Likewise.
2773 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
2774 (CPP_SPEC): Change mthreads to pthread.
2775 (LIB_SPEC): Likewise.
2776 (STARTFILE_SPEC): Likewise.
2777 * rs6000-protos.h (reg_or_arith_cint_operand): New.
2778 * rs6000.c (reg_or_arith_cint_operand): New.
2779 (num_insns_constant_wide): Decorate unsigned constant.
2780 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
2781 * rs6000.md (addsi3): Use new predicate.
2782 (subsi3, adddi3, subdi3): Likewise.
2784 2000-06-12 Mark Mitchell <mark@codesourcery.com>
2786 * c-common.c (lang_get_alias_set): Fix typo.
2788 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
2790 * flow.c (mark_used_regs): Revert last change.
2791 (life_analysis): Remove PROP_AUTOINC if running after reload.
2792 (propagate_one_insn): PROP_AUTOINC is always off after reload.
2794 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
2796 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
2799 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2801 * bb-reorder.c (build_scope_forest): Initialize variable
2804 * calls.c (expand_call): Likewise for variables
2805 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
2807 * i386.c (function_arg_advance, function_arg): Cast to avoid
2808 signed/unsigned warnings.
2810 * i386.h (MEMORY_MOVE_COST): Likewise.
2812 * ifcvt.c (cond_exec_process_if_block): Initialize variables
2813 `else_start' and `else_end'.
2815 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
2817 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
2819 2000-06-10 Mark Mitchell <mark@codesourcery.com>
2821 * Makefile.in (libintl.a): Depend on intl.all.
2823 2000-06-09 H.J. Lu (hjl@gnu.org)
2825 * Makefile.in (c-parse.o): Also depend on output.h.
2827 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
2829 * mcore-protos.h: discards const warning removal.
2830 * mcore.c: discards const warning removal.
2832 2000-06-09 Kazu Hirata <kazu@hxi.com>
2834 * config/h8300/lib1funcs.asm: Declare the machine architecture at
2835 the beginning of the file.
2837 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2839 * real.h: Add prototype for ldexp.
2841 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
2843 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
2844 it ggc_alloc, drop second argument, never clear returned memory.
2845 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
2846 (ggc_alloc_cleared): New.
2847 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
2848 ggc_alloc_obj. Remove ggc_alloc macro.
2849 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
2851 * rtl.c (rtvec_alloc): Clear the vector always.
2852 (rtx_alloc): Clear the first word always. Remove dirty
2853 obstack tricks (this routine is no longer a bottleneck).
2854 * tree.c (make_node): Clear the new node always.
2855 (make_tree_vec): Likewise.
2856 (tree_cons): Clear the common structure always.
2857 (build1): Likewise; also, clear TREE_COMPLEXITY.
2858 * gengenrtl.c: Use puts wherever possible. Remove extra
2860 (gendef): Clear the first word of an RTX in the generator
2861 function, irrespective of ggc_p. Initialize '0' slots to
2863 (genlegend): Don't generate obstack_alloc_rtx routine, just a
2864 thin wrapper macro around obstack_alloc.
2866 * stmt.c (expand_fixup): Use ggc_alloc.
2867 * c-typeck.c (add_pending_init): Use ggc_alloc.
2868 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
2869 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
2870 const0_rtx when it is created.
2871 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
2872 we are not in a function.
2874 * tree.c (tree_class_check_failed): Make second arg an int.
2875 * tree.h: Update prototype.
2877 2000-06-09 Geoff Keating <geoffk@cygnus.com>
2879 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
2880 of an error_mark_node.
2882 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
2884 * config/avr/avr.c (asm_output_section_name): bugfix.
2886 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
2888 * timevar.def: Add TV_EXPAND.
2889 * timevar.c (timevar_print): Update timing information.
2890 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
2892 * stmt.c (expand_return): Check for error_mark_node.
2894 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2896 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
2898 * scan-types.sh (VALUE) Wrap use with double quotes to protect
2899 variable against filename expansion when it contains "char *".
2901 * system.h (SSIZE_MAX): Delete backup definition.
2903 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
2904 instead of SSIZE_MAX.
2906 2000-06-09 Jakub Jelinek <jakub@redhat.com>
2908 * configure.in: Check whether gas supports -relax.
2909 * configure, config.in: Rebuilt.
2910 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
2911 (EXTRA_SPECS): Add asm_relax.
2912 (ASM_SPEC): Add %(asm_relax).
2913 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
2914 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
2915 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
2916 (ASM_SPEC): Add %(asm_relax).
2917 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
2918 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
2919 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
2920 instead of mov, so that gas can further optimize it.
2922 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
2924 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
2926 (value_format, case dw_val_class_const): Use sdata format.
2927 (output_die): Call output_sleb128.
2929 2000-06-08 James E. Wilson <wilson@cygnus.com>
2931 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
2932 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
2933 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2934 (output_die, case dw_val_class_unsigned_const): Correct call to
2935 ASM_OUTPUT_DWARF_DATA8.
2936 (output_die, case dw_val_class_long_long): Use
2937 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2938 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
2941 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
2942 (output_function_prologue): Fix mispelling.
2943 (output_function_prologue, output_function_epilogue): Reorder to
2944 match ia64.c definition order.
2945 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
2946 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
2947 Use r3 instead of r2 for large stack restores.
2948 (ia64_output_end_prologue): New function.
2949 (process_set): Emit ".restore sp" for epilogue stack restores.
2950 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
2952 2000-06-08 Jakub Jelinek <jakub@redhat.com>
2954 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
2957 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
2959 * frame.c (end_fde_sort): Remove extraneous erratic array test.
2961 2000-06-08 Denis Perchine <dyp@perchine.com>
2963 * frame.c (start_fde_sort): Don't malloc (0).
2965 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
2967 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
2969 * print-tree.c (print_node): The transparent_union_flag means
2970 different things for unions and arrays. Do not inspect it
2971 with TYPE_TRANSPARENT_UNION.
2973 2000-06-06 Jakub Jelinek <jakub@redhat.com>
2975 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
2978 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
2980 * config/avr/avr.c (asm_output_section_name): output section
2982 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
2984 2000-06-06 James E. Wilson <wilson@cygnus.com>
2986 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
2987 fields into header field.
2988 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
2989 macros to access length, flags, and version info from header field.
2990 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
2991 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
2992 (__do_global_ctors_aux): Fix caller.
2993 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
2994 prologue_flag to header. Pass to read_P_record.
2995 (read_P_record): New argument header. Implement P4 format.
2996 Multiply P7_T_SIZE by 16.
2997 (execute_one_ia64_descriptor): New static local region_header. Pass to
2998 get_unwind_record. Copy r to region_header if r is a header record.
2999 (print_all_records): Likewise.
3000 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
3001 (__get_personality, __get_except_table): Likewise.
3002 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
3004 2000-06-06 Philipp Thomas <pthomas@suse.de>
3006 * configure.in (AC_C_INLINE): Added.
3007 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
3008 * configure: Regenerate.
3010 2000-06-06 Mark Mitchell <mark@codesourcery.com>
3012 * c-common.h (c_language_kind): New type.
3013 (c_language): New variab.e
3014 * c-common.c (lang_get_alias_set): Don't put structures in
3015 non-zero alias sets in C++.
3016 * c-decl.c (c_language): Define it.
3017 * c-lex.c (doing_objc_thang): Remove.
3018 * c-tree.h (doing_objc_thang): Make it a macro.
3019 * objc/objc-act.c (lang_decode_option): Set c_language, not
3022 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
3024 * diagnostic.c (output_maximum_width): Remove.
3025 (doing_line_wrapping): Tweak.
3026 (diagnostic_buffer): New object.
3027 (global_output_buffer): New object.
3028 (output_destroy_prefix): New function.
3029 (default_initialize_buffer): Likewise.
3030 (reshape_diagnostic_buffer): Likewise.
3031 (initialize_diagnostics): Likewise.
3032 (output_clear): Tweak.
3033 (line_wrapper_printf): Adjust call to init_output_buffer.
3034 (vline_wrapper_message_with_location): Likewise. Use
3035 output_destroy_prefix.
3036 (v_message_with_decl): Likewise.
3038 * diagnostic.h (struct output_buffer): Constify prefix.
3039 (init_output_buffer, output_get_prefix): Constify.
3040 (diagnostic_message_length_per_line): Likewise.
3041 (reshape_diagnostic_buffer): Declare.
3042 (default_initialize_buffer): Declare.
3043 (initialize_diagnostics): Declare.
3044 (diagnostic_buffer): Declare new obbject.
3046 * toplev.c: #include diagnostic.h
3047 (display_help): Document diagnostic formatting options.
3048 (decode_f_option): Handle diagnostic formatting options.
3049 (main): Setup initialization for diagnostic messages outputter.
3051 * toplev.h (set_message_length): Remove.
3053 * Makefile.in (toplev.o): Depends upon diagnostic.h
3055 * invoke.texi : Document diagnostics formatting options.
3057 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
3059 * configure.in (Make the links): Typo fix : the file that must be
3060 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
3061 * configure: File rebuilt.
3063 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
3065 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
3066 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
3068 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
3069 emergency eh_context buffer, if malloc fails.
3070 (__eh_free): Moved from cp/exception.cc. Release to emergency
3071 eh_context buffer, if appropriate.
3073 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
3075 * expr.c (store_expr): Fix typo.
3077 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3079 * m68k.c (legitimize_pic_address): Move prototype ...
3081 * m68k-protos.h (legitimize_pic_address): ... here.
3083 * m68k.md (legitimize_pic_address): Delete prototypes.
3084 (untyped_call): Invoke GEN_CALL(), not gen_call().
3086 * nextstep.c: Include system.h and toplev.h.
3087 (get_directive_line): Don't prototype.
3088 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
3090 * nextstep.h (handle_pragma): Prototype.
3091 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
3092 objc_section_init ...
3093 (EXTRA_SECTION_FUNCTIONS): ... here.
3095 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3097 * sdbout.c (struct sdb_file): NAME now const.
3098 (sdbout_init): input_file_name now const.
3099 (sdbout_start_new_source_file): FILENAME now const.
3100 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
3102 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
3104 * c-typeck.c (build_conditional_expr): Handle complex data types.
3106 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
3108 * explow.c (maybe_set_unchanging): New function, broken out from...
3109 (set_mem_attributes): Here.
3110 * expr.h: Declare it.
3111 * stmt.c (expand_decl): Call it.
3113 2000-06-05 Richard Henderson <rth@cygnus.com>
3115 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
3116 while looking for a register to inherit from.
3118 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
3120 * Makefile.in (libgcc.ready): Lose.
3121 (libgcc.mk): Just use mv, not move-if-change.
3122 (LIBGCC_DEPS): New macro.
3124 (stmp-multilib): Likewise.
3125 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
3126 it rather than the directories themselves.
3127 (LIB2ADD): Depend on the list file rather than 'force'.
3129 * fold-const.c (fold, case COND_EXPR): Elide conversion between
3130 cv-qualified versions of types.
3132 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3134 * config/sparc/sparc.c (short_branch): Correct error in range
3137 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3139 * fixinc/inclhack.def: New include hacks for ultrix.
3140 * (nested_ultrix): Replaced by ultrix_nested_svc.
3141 * (ultrix_atof_param): test_text string added.
3142 * (ultrix_ifdef): Modified select string.
3144 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
3146 * objc/objc-act.c (generate_method_descriptors): Register
3147 objc_method_prototype_template as a GC root.
3148 (comp_method_with_proto): Register function_type as a GC root.
3149 (comp_proto_with_proto): Replace function_type1 and
3150 function_type2 with a two-element array; register it as a GC root.
3152 (generate_protocols, build_protocol_initializer,
3153 generate_protocol_list, build_category_initializer,
3154 build_shared_structure_initializer): Do not cache cast_type
3157 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3159 * function.c (assign_parms): Add missing argument to set_mem_attributes
3162 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
3164 * tree.h (VOID_TYPE_P): New macro.
3165 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
3166 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
3167 (get_parm_info): Likewise.
3168 (store_parm_decls): Likewise.
3169 (combine_parm_decls): Likewise.
3170 (finish_function): Likewise.
3171 * c-typeck.c (build_function_call): Likewise.
3172 (build_binary_op): Likewise.
3173 (build_conditional_expr): Likewise.
3174 (internal_build_compound_expr): Likewise.
3175 (convert_for_assignment): Likewise.
3176 * stmt.c (expend_expr_stmt): Likewise.
3177 (warn_if_unused_value): Likewise.
3178 (expand_return): Likewise.
3179 * c-parse.in (primary): Likewise.
3180 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
3181 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
3183 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3185 * alias.c (get_alias_set): If compnent is addressable, use alias
3187 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
3188 (grokdeclarator): Likewise.
3189 * c-typeck.c (common_type): Likewise.
3191 2000-06-04 Alex Samuel <samuel@codesourcery.com>
3193 * Makefile.in (OBJS): Remove dyn_string.o
3194 (dyn-string.o): Delete rule.
3195 * dyn-string.c: Delete file
3196 * dyn-string.h: Likewise.
3198 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3200 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
3203 2000-06-03 Geoff Keating <geoffk@cygnus.com>
3205 * alias.c (record_component_aliases): Don't inspect
3206 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
3208 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
3210 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
3211 it with the pattern to do machine dependent work.
3212 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
3213 use it to modify the true/false tests used in conditional
3214 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
3215 defined, invoke them if the conversion to conditional execution
3216 was successful or not.
3218 * tm.texi (IFCVT_MODIFY_TESTS): Document.
3219 (IFCVT_MODIFY_INSN): Ditto.
3220 (IFCVT_MODIFY_FINAL): Ditto.
3221 (IFCVT_MODIFY_CANCEL): Ditto.
3223 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3225 * toplev.c (main): Fix misspellings of possibility and language.
3227 2000-06-03 Richard Henderson <rth@cygnus.com>
3229 * alias.c (record_alias_subset): Initialize has_zero_child in the
3232 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
3234 * arm.md (untyped_call): Use GEN_CALL macro.
3236 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
3238 * Makefile.in: Use $(MAKE) not "make"
3240 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3242 * alias.c (struct alias_set_entry): New field has_zero_child.
3243 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
3244 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
3246 Call record_component_aliases for aggregate types.
3247 (record_alias_subset): Set has_zero_child.
3248 (record_component_aliases, case ARRAY_TYPE): Do nothing if
3249 TYPE_NONALIASES_COMPONENT.
3250 (record_component_aliases, case RECORD_TYPE): Test
3251 DECL_NONADDRESSABLE_P.
3252 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
3253 of TREE_ADDRESSABLE.
3254 * calls.c (initialize_argument_information): Only test
3255 TYPE_TRANSPARENT_UNION for UNION_TYPE.
3256 * function.c (assign_parms): Likewise.
3257 * integrate.c (function_cannot_inline_p): Likewise.
3258 * stor-layout.c (finish_record_layout): Don't call
3259 record_component_aliases.
3260 * tree.h (struct tree_int_cst): Use struct tree_common.
3261 (struct tree_real_cst, struct tree_string): Likewise.
3262 (struct tree_complex, struct tree_identifier): Likewise.
3263 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
3264 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
3265 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
3266 (TYPE_NONALIASES_COMPONENT): New macro.
3267 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
3268 (DECL_NONADDRESSABLE_P): New macro.
3269 (struct tree_decl): Reorder bits for clarity of how many left;
3272 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
3274 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
3275 * mklibgcc.in (force): New target.
3276 Make LIB2ADD stuff depend on it.
3278 2000-06-02 Richard Henderson <rth@cygnus.com>
3280 * alias.c (lang_get_alias_set): Remove.
3281 (get_alias_set): Call it directly, not indirectly.
3282 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
3283 * c-common.h (c_get_alias_set): Don't declare.
3284 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
3285 * expr.h (lang_get_alias_set): Declare as function, not pointer.
3287 2000-06-02 Bruce Korb <bkorb@gnu.org>
3289 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
3290 (server_setup): define the server's master pid
3291 (close_server): actually do the deed IFF we are the server's master
3293 2000-06-02 Jakub Jelinek <jakub@redhat.com>
3295 * c-common.c (c_get_alias_set): Check whether signed_type did not
3296 return its argument before calling get_alias_set on the result.
3298 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
3300 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
3302 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3304 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
3305 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
3306 for TARGET_NOMACSAVE.
3307 (NOMACSAVE_BIT): Define.
3308 (TARGET_NOMACSAVE): Define.
3309 (TARGET_SWITCHES): Add "nomacsave".
3311 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
3313 * sh.md (untyped_call): Remove excess parameters
3315 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
3317 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
3318 match that used before the conversion to c_fix style.
3319 * fixinc/fixincl.x: regenerate
3321 2000-06-01 Stan Cox <scox@cygnus.com>
3323 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
3324 macro argument typo.
3326 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
3328 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
3330 * cpplib.c (parse_include): Remove support for VAX-C
3331 "#include starlet" misfeature.
3333 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
3335 * cppfiles.c: conditionally define O_BINARY.
3336 (open_include_file): pass O_BINARY to open().
3338 2000-06-01 Richard Henderson <rth@cygnus.com>
3340 * i960.c (i960_br_predict_opcode): Remove.
3341 (i960_print_operand) [+]: Emit branch prediction hints.
3342 (i960_function_arg): Return early for VOIDmode.
3343 (i960_round_align): Return early for incomplete types.
3344 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3345 * i960.md (all conditional branches): Add "%+".
3347 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3349 * alias.c (get_alias_set): Don't call language-specific routine more
3350 than is needed and clean up code a bit.
3351 * c-common.c (c_get_alias_set): All references whose type
3352 is char get alias set 0, but character types need not.
3353 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
3354 (make_decl_rtl): Don't call it for FUNCTION_DECL.
3356 2000-06-01 Bruce Korb <bkorb@gnu.org>
3358 * fixinc/tests/base/...: new base result files
3360 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
3362 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
3363 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
3364 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
3367 2000-06-01 Richard Henderson <rth@cygnus.com>
3369 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
3371 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
3373 2000-05-31 Richard Henderson <rth@cygnus.com>
3375 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
3376 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
3377 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
3379 2000-05-31 Richard Henderson <rth@cygnus.com>
3381 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
3382 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
3383 (ia64_print_operand) [+]: ... here. Use current_output_insn.
3384 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3385 * config/ia64/ia64.md (all branch/call patterns): Use %+.
3387 2000-05-31 Richard Henderson <rth@cygnus.com>
3389 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
3391 2000-05-31 Richard Henderson <rth@cygnus.com>
3393 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
3395 (find_if_block): Allow THEN with no outgoing edges.
3396 * flow.c (merge_blocks_nomove): Remove a barrier not following
3399 2000-05-31 Richard Henderson <rth@cygnus.com>
3401 * flow.c (propagate_block): Move initialization of mem_set_list ...
3402 (init_propagate_block_info): ... here. Also track blocks with
3403 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
3405 2000-05-31 Richard Henderson <rth@cygnus.com>
3407 * jump.c (jump_optimize_1): Revert 05-18 change.
3409 2000-05-31 Mark Mitchell <mark@codesourcery.com>
3411 * invoke.texi: Remove documentation for -fguiding-decls.
3413 2000-05-31 Richard Henderson <rth@cygnus.com>
3415 * configure.in: Fix typo last change.
3417 2000-05-31 Philipp Thomas <pthomas@suse.de>
3419 * configure.in (enable-nls): Enable if build == host, i.e. when
3420 not building a canadian cross compiler.
3421 (enable-maintainer-mode): Added for use with i18n.
3422 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
3423 cross section of ALL_LINGUAS and LINGUAS.
3424 * configure: Rebuild.
3426 2000-05-31 Bruce Korb <bkorb@gnu.org>
3428 * fixinc/check.tpl: rework to use test result tree
3429 * fixinc/Makefile.in: change invocation of check script
3430 * fixinc/check.diff: No longer needed
3431 * fixinc/fixincl.x: regenerate
3432 * fixinc/inclhack.def: add new tests
3433 * fixinc/tests/base/arch/i960/archI960.h: New test result
3434 * fixinc/tests/base/curses.h: modified test result
3435 * fixinc/tests/base/stdio.h: ditto
3436 * fixinc/tests/base/time.h: ditto
3437 * fixinc/tests/base/sys/asm.h: ditto
3438 * fixinc/tests/base/sys/stat.h: ditto
3439 * fixinc/tests/base/sys/wait.h: ditto
3441 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
3443 * except.c (clear_function_eh_region): Do not free NULL.
3445 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3447 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
3448 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
3449 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
3450 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
3451 (find_base_decl): New function, from c_find_base_decl in c-common.c.
3452 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
3453 (get_alias_set): Likewise.
3454 Major rework to do more things and allow language-specific code
3455 to just handle special-cases.
3456 (record_alias_subset): Args are HOST_WIDE_INT.
3457 (record_component_alias): Local vars are HOST_WIDE_INT.
3458 Don't handle COMPLEX_EXPR.
3459 (get_varargs_alias_set): Moved from builtins.c.
3460 (get_frame_alias_set): New function.
3461 * builtins.c (expand_builtin_return_address): Use frame alias set.
3462 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
3464 (get_memory_rtx): Rework to use set_mem_attributes.
3465 (get_varargs_alias_set): Deleted from here.
3466 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
3467 (c_find_base_decl): Deleted from here.
3468 (c_get_alias_set): Remove many cases and rework to just handle
3470 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
3471 * c-decl.c (rtl.h, expr.h): Now included.
3472 (init_decl_processing): Call record_component_aliases on array types.
3473 (grokdeclarator): Likewise.
3474 Set TREE_ADDRESSABLE for all fields that are not bitfields.
3475 * c-typeck.c (common_type): Call record_component_aliases for array.
3476 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
3477 Set all save areas to the frame alias set.
3478 * calls.c (initialie_argument_information): Call set_mem_attributes.
3479 (compute_argument_addresses, expand_call): Likewise.
3480 * explow.c (set_mem_attributes): New function.
3481 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
3482 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
3483 LEN and OFFSET now HOST_WIDE_INT.
3484 (clear_by_pieces): Similar changes.
3485 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
3486 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
3487 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
3488 (clear_by_pieces_1): Likewise.
3489 (emit_push_insn): Call set_mem_attributes.
3490 (expand_expr, case INDIRECT_REF): Likewise.
3491 (expand_expr, case VAR_DECL): Call change_address.
3492 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
3494 (get_varargs_alias_set, get_frame_alias_set): New decls.
3495 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
3496 (new_alias_set, set_mem_attributes): Likewse.
3497 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
3498 (assign_stack_temp_for_type): Likewise.
3499 Can split slot even if alias set since can copy.
3500 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
3501 (assign_temp): Use host_integerp and tree_low_cst.
3502 (put_var_into_stack): Properly handle SAVE_EXPR.
3503 (put_addressof_into_stack): Likewise.
3504 (assign_parms): Call set_mem_attributes.
3506 (fix_lexical_address): Put reference to chain into frame alias set.
3507 (expand_function_start): Call set_mem_attributes.
3508 * integrate.c (expand_inline_function): Likewise.
3509 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
3510 * regmove.c (try_apply_stack_adjustment): Likewise.
3511 * reload.c (push_reload, make_memloc): Likewise.
3512 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
3513 * rtl.def (MEM): Update comment.
3514 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
3515 (move_by_pieces): Change length to HOST_WIDE_INT.
3516 (record_base_value, record_alias_subset): Delete from here.
3517 * stmt.c (expand_decl): Call set_mem_attributes.
3518 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
3519 * toplev.c (compile_file): Call init_alias_once earlier.
3520 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
3521 from here: now in alias.c.
3522 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
3523 (struct tree_decl): Likewise.
3524 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
3525 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
3526 (output_constant_def, force_const_mem): Likewise.
3528 * flow.c (propagate_block): If block has no successors, stores to
3529 frame are dead if not used.
3531 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
3533 * stmt (expand_end_case): Reorder conversion sequence for jump
3534 table to avoid extra truncations.
3536 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
3538 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
3539 in the block is more than just a simple conditional branch.
3540 (noce_process_if_block): Similarly.
3542 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
3544 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
3547 2000-05-30 Michael Meissner <meissner@redhat.com>
3549 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
3550 instructions. Treat LO_SUM operations as loading the full integer
3553 2000-05-30 Richard Henderson <rth@cygnus.com>
3555 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
3557 2000-05-30 Richard Henderson <rth@cygnus.com>
3559 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
3561 2000-05-30 Bruce Korb <bkorb@gnu.org>
3563 * fixinc/tests/*: Added expected result files for fixinc's make check
3564 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
3566 2000-05-30 Richard Henderson <rth@cygnus.com>
3568 * config/alpha/alpha.md (*setne_internal): Use match_operator
3569 instead of working down from insn.
3571 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3573 * invoke.texi (-Wtraditional): Update WRT function macros.
3575 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
3577 * except.c (free_exception_table): Do not free NULL.
3579 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3581 * cpplib.c (do_if): Don't save and restore only_seen_white here.
3582 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
3585 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
3587 * flow.c (mark_used_reg): If a register is unconditionally live,
3588 remove any conditional death information.
3590 2000-05-29 Richard Henderson <rth@cygnus.com>
3592 * final.c (current_output_insn): New.
3593 (final_scan_insn): Set it.
3594 * output.h: Declare it.
3596 2000-05-29 Richard Henderson <rth@cygnus.com>
3598 * stor-layout.c (finalize_record_size): Fix typo.
3600 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
3603 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3605 * cpplib.h (cpp_reader): Remove if_stack. Change
3606 potential_control_macro to a cpp_hashnode *. Add skipping flag.
3607 * cpphash.h (struct ihash): Change control_macro to a
3608 cpp_hashnode * and shorten name to cmacro.
3609 Add NEVER_REINCLUDE constant.
3611 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
3612 Examine the cmacro node directly, no need to call cpp_defined.
3613 (_cpp_execute_include, read_include_file): Set cmacro to
3614 NEVER_REINCLUDE, not U"".
3615 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
3616 (cpp_get_token): If pfile->skipping is true, discard text and
3617 keep scanning until we hit a directive; don't expand macros.
3619 * cpplib.c (struct if_stack): Remove if_succeeded, add
3620 was_skipping. Change control_macro to a cpp_hashnode * and
3621 shorten name to cmacro. Remove typedef IF_STACK.
3622 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
3623 (conditional_skip, skip_if_group,
3624 consider_directive_while_skipping): Delete.
3625 (push_conditional): New.
3626 (_cpp_handle_directive): Don't process directives other than
3627 conditionals if we are skipping.
3629 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
3630 Update to new scheme.
3631 (validate_else): Skip rest of line here, unconditionally.
3632 (_cpp_unwind_if_stack): The stack is per-buffer. Force
3633 pfile->skipping off.
3635 (all): Remove `scare quotes' from error messages.
3637 2000-05-29 Richard Henderson <rth@cygnus.com>
3639 * function.c (emit_return_into_block): New line_note arg; emit it.
3640 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
3641 for the close brace to accompany HAVE_return. Move all line notes
3642 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
3644 2000-05-29 Richard Henderson <rth@cygnus.com>
3646 * longlong.h [__alpha] (count_leading_zeros): New.
3647 (count_trailing_zeros): New.
3648 (COUNT_LEADING_ZEROS_0): New.
3650 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
3651 (alpha_split_conditional_move): New.
3652 * config/alpha/alpha-protos.h: Prototype them.
3653 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3654 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
3655 * config/alpha/alpha.md: Update ffs cix commentary.
3657 (*nabssf2, *nabsdf2): New.
3658 (*mov[qhsd]icc_internal): Use add_operand.
3659 (if_then_else constant splitters): New.
3660 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
3661 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
3663 2000-05-29 Richard Henderson <rth@cygnus.com>
3665 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
3666 a constant to NEG or NOT when conditions allow.
3668 * combine.c (combine_simplify_rtx): Don't create an if_then_else
3669 unless both args are general_operand. Don't canonicalize plus
3670 to ior unless it helps.
3672 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
3673 instead track register_life_up_to_date. Toggle no_new_pseudos
3676 2000-05-28 Geoff Keating <geoffk@cygnus.com>
3678 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
3679 so output_operand doesn't see them.
3681 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
3683 * lcm.c (make_preds_opaque): Fix comment.
3684 (optimize_mode_switching): Use NORMAL_MODE instead of
3685 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
3686 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
3687 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
3688 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
3689 (MODE_USES_IN_EXIT_BLOCK): Delete.
3690 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
3691 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
3692 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
3693 (MODE_NEEDED): Don't look for USE.
3694 (EPILOGUE_USES): Define.
3696 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
3698 * mklibgcc.in (all): Variable initialised to `libgcc'.
3700 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
3702 * toplev.h (skip_leading_substring): New macro.
3703 * toplev.c (decode_f_option): Use skip_leading_substring instead
3705 (decode_W_option): Likewise.
3707 2000-05-28 Nick Clifton <nickc@cygnus.com>
3709 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
3712 2000-05-28 Richard Henderson <rth@cygnus.com>
3714 * regclass.c (record_operand_costs): Protect reg_changes_size
3715 with CLASS_CANNOT_CHANGE_SIZE.
3717 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
3719 2000-05-28 Richard Henderson <rth@cygnus.com>
3721 * function.c (diddle_return_value): A pcc-style struct return
3724 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3726 * cppfiles.c: Read files in, using mmap if possible, then
3727 prescan them separately.
3728 (read_file, read_with_read): New functions.
3729 * cpplex.c: Don't define UCHAR_MAX.
3730 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
3733 * cppinit.c (handle_option): Automatically define __cplusplus,
3734 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
3735 the respective -lang switch.
3737 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
3738 prototype): Move to...
3739 * cpplib.h: ... here. Rename struct hashnode to struct
3740 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
3741 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
3743 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
3745 * config/rs6000/rs6000.md (movsi): Constify 'name'.
3747 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
3748 (class_can_change_size): New variable.
3749 (reg_changes_size): New variable.
3750 (init_reg_sets_1): Initialise class_can_change_size.
3751 (record_operand_costs): Remove subreg_changes_size.
3752 Don't pass it around. Instead update reg_changes_size.
3753 (regclass): Initialise and free reg_changes_size. If a register
3754 changes size, don't preference it to a class that contains
3755 registers that can't change size.
3756 (record_reg_classes): Don't look at subreg_changes_size.
3758 2000-05-27 Richard Henderson <rth@cygnus.com>
3760 * print-rtl.c (reg_names): Remove const.
3761 * regclass.c (reg_names): Likewise.
3762 * regs.h (reg_names): Likewise.
3763 * hard-reg-set.h (reg_names): Likewise.
3765 2000-05-27 Richard Henderson <rth@cygnus.com>
3767 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
3769 2000-05-27 Richard Henderson <rth@cygnus.com>
3771 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
3772 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
3773 (alpha_expand_prologue): Emit prologue_mcount if needed.
3774 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
3775 * config/alpha/alpha.md (prologue_mcount): New.
3776 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
3777 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
3778 * config/alpha/netbsd.h: Likewise.
3780 2000-05-27 Richard Henderson <rth@cygnus.com>
3782 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
3783 change to config/elfos.h.
3785 2000-05-27 Richard Henderson <rth@cygnus.com>
3787 * Makefile.in (resource.o): Depend on except.h.
3788 * except.h (output_exception_table_data): Prototype.
3789 * genconfig.c (gen_peephole2): Prototype.
3790 * genemit.c (main): Include ggc.h.
3791 * genoutput.c: Revert parts of last change: include errors.h
3792 (main): Set progname.
3793 * recog.c: Include hard-reg-set.h before recog.h.
3794 * resource.c: Include except.h.
3796 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
3798 (alpha_write_linkage): Protect with BUFSIZ.
3799 (alpha_need_linkage): Update prototype.
3800 * config/alpha/alpha.c (function_arg): Move VMS code here.
3801 (alpha_links_base): Remove.
3803 (mark_alpha_links_node, mark_alpha_links): New.
3804 (alpha_write_one_linkage): New.
3805 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
3806 (alpha_write_linkage): Use splay_tree_foreach.
3807 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
3808 to get the linkage symbol.
3809 (call_value_vms): Likewise.
3810 * config/alpha/elf.h (output_file_directive): Remove decl.
3811 (ctors_section, dtors_section): Prototype.
3812 (sbss_section, sdata_section): Prototype.
3813 * config/alpha/vms.h (FUNCTION_ARG): Remove.
3814 (readonly_section, link_section, literals_section): Prototype.
3815 (ctors_section, dtors_section): Prototype.
3816 (vms_valid_decl_attribute_p): Remove decl.
3817 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
3819 2000-05-27 Geoff Keating <geoffk@cygnus.com>
3821 * reload.c (get_secondary_mem): Don't widen floating-point modes.
3823 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
3824 substituting the REG in a (subreg:X (reg:Y ...)).
3826 2000-05-28 Neil Booth <NeilB@earthling.net>
3828 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
3829 first token of a line BOL. Update EOF code for this.
3830 Remove illegal directive check - it appears in the (not
3831 yet committed) caller.
3832 * cpplib.h (BOL): New flag.
3834 2000-05-28 Neil Booth <NeilB@earthling.net>
3836 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
3837 (_cpp_free_toklist): No comment space to free.
3838 (expand_comment_space): Remove.
3839 (save_comment_space): Place the comment in the current token and
3840 not in a separate comment space.
3841 (_cpp_lex_line): Save comments during plain code and #define
3843 * cpplib.h (struct _cpp_toklist): Remove comment space.
3845 2000-05-28 Neil Booth <NeilB@earthling.net>
3847 * cppexp.c (parse_assertion): Supply extra argument to
3849 * cpplib.c (do_assert, do_unassert): Similarly.
3850 * cpphash.h (_cpp_init_toklist) Update.
3851 (_cpp_expand_token_space): New.
3852 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
3853 * cpplex.c (_cpp_init_toklist): New argument.
3854 (parse_string2): New argument multiline_ok.
3855 (spell_token): Take a const cpp_token *.
3856 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
3857 (SPELL_ macros): Replace with enum.
3858 (expand_token_space): Replace with _cpp_expand_token_space.
3859 Take COUNT argument.
3860 (IS_DIRECTIVE): Update.
3861 (_cpp_lex_line): Update token structure before parsing number.
3862 Don't assume start at beginning of token list.
3863 (save_comment): Use INIT_TOKEN_NAME.
3865 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3867 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
3868 -Wmissing-prototypes.
3869 * configure: Regenerate.
3870 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
3872 * builtins.c, calls.c: Change all instances of gen_call_* or
3873 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
3874 * calls.c (struct_value_size_rtx): Separate definition from
3875 initialization to avoid unused variable warning.
3877 * genflags.c (gen_macro): New function.
3878 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
3879 (gen_nonproto): Delete.
3880 (gen_insn): Put all insns on the same obstack.
3881 (main): Generate prototypes for everything unconditionally.
3883 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
3884 out check for wchar_t.
3885 * acconfig.h: Add template for ssize_t. Remove @TOP@.
3886 * system.h: Add infrastructure for defining missing
3887 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
3888 definitions of UCHAR_MAX and SSIZE_MAX.
3889 * configure: Regenerate.
3890 * config.in: Regenerate.
3892 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
3893 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
3895 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
3896 libgcc2.a, or libgcc1.null.
3898 2000-05-27 Richard Henderson <rth@cygnus.com>
3900 * Makefile.in (recog.o): Don't depend on resource.h.
3901 * recog.c: Don't include resource.h.
3902 (recog_last_allowed_insn): Remove.
3903 (recog_next_insn): Remove.
3904 (struct peep2_insn_data): New.
3905 (peep2_insn_data, peep2_current): New.
3906 (peep2_next_insn): New.
3907 (peep2_regno_dead_p, peep2_reg_dead_p): New.
3908 (peep2_find_free_register): New.
3909 (peephole2_optimize): Track life information by insn as we go.
3910 * recog.h: Update declarations.
3911 * resource.c (find_free_register, reg_dead_p): Remove.
3912 * resource.h: Remove their declarations.
3913 * toplev.c: Include hard-reg-set.h before recog.h.
3915 * genconfig.c (max_insns_per_peep2): New.
3916 (gen_peephole2): New.
3918 * genemit.c (output_peephole2_scratches): Generate calls to
3919 peep2_find_free_register; adjust surrounding code.
3920 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
3921 * genrecog.c (change_state): Don't track last_insn.
3922 (write_action): Write into *_pmatch_len before accepting.
3923 (write_tree): Adjust peephole2_insns and subroutines to match.
3925 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
3927 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
3928 (hard_int_register_operand): New.
3929 * config/alpha/alpha-protos.h: Declare it.
3930 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3931 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
3932 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
3934 2000-05-27 Richard Henderson <rth@cygnus.com>
3936 * function.c (thread_prologue_epilogue_insns): Don't move the
3937 line note at the head of the chain. Only force a lineno note
3938 before the end of block 0.
3940 2000-05-27 Richard Henderson <rth@cygnus.com>
3942 * gensupport.c (collect_insn_data): Record the maximum number
3943 of alternatives, not the last seen.
3945 * genoutput.c: Don't include errors.h.
3946 (struct data): Add lineno member.
3948 (scan_operands): Use message_with_line instead of error.
3949 (validate_insn_alternatives): Likewise.
3950 (gen_insn): Accept and store the pattern's line number.
3951 (gen_peephole, gen_expand, gen_split): Likewise.
3952 (main): Don't set progname. Pass line_no to gen_foo.
3954 2000-05-27 Richard Henderson <rth@cygnus.com>
3956 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
3957 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
3958 * config/d30v/d30v.md (attr predicable): New.
3959 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
3960 (andsi3*): Unify into one pattern.
3961 (iorsi3*, xorsi3*): Likewise.
3962 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
3964 (old cond_exec patterns): Remove.
3965 (define_cond_exec): New.
3967 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3969 * tree.h (TREE_CODE_LENGTH): New macro.
3970 * c-common.c (c_find_base_decl): Use it.
3971 * expr.c (safe_from_p): Likewise.
3972 * print-tree.c (print_node): Likewise.
3973 * tree.c (make_node, copy_node, get_identifier): Likewie.
3974 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
3975 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
3976 * fold-const.c (make_range): Likewise.
3977 (fold): Likewise; also use first_rtl_op.
3978 * c-iterate.c (collect_iterators): Use first_rtl_op.
3979 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
3980 Use IS_EXPR_CODE_CLASS.
3981 (preexpand_calls): Likewise.
3982 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
3983 and TREE_CODE_LENGTH.
3984 * stmt.c (warn_if_unused_value): If no operands, no unused value.
3986 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
3988 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
3990 (movdi_internal64): Likewise.
3992 * config/rs6000/rs6000.md: Correct order of operands for DImode
3995 * config/rs6000/rs6000.c (boolean_or_operator): New function.
3996 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
3997 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
3998 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
3999 boolean_operator for the boolean patterns without NOTs.
4001 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
4002 from reg_or_u_cint_operand. Change comment and behaviour.
4003 (logical_operand): Clean up, add assertion.
4004 (non_logical_cint_operand): Also check for
4005 reg_or_logical_cint_operand.
4006 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
4007 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
4013 2000-05-26 Mark Mitchell <mark@codesourcery.com>
4015 * tree.h (struct record_layout_info): Rename to (struct
4016 record_layout_info_s).
4017 * stor-layout.c (start_record_layout): Replace
4018 `record_layout_info' with `record_layout_info_s'.
4020 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
4022 * flow.c (find_label_refs): New function.
4023 (find_basic_blocks_1): Call it for each alternative of a call
4026 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
4028 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
4031 2000-05-25 Richard Henderson <rth@cygnus.com>
4033 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
4034 so strict about DImode.
4035 (alpha_swapped_comparison_operator): Likewise.
4036 * config/alpha/alpha.md (*setne_internal): Name it. Allow
4037 any integer output mode.
4038 (*setcc_internal): Likewise.
4039 (*setcc_swapped_internal): Likewise.
4040 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
4041 (*mov[qhs]icc_internal): New.
4042 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
4044 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4046 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
4048 2000-05-25 Richard Henderson <rth@cygnus.com>
4050 * bb-reorder.c (reorder_block_def): Reorder elements for size.
4051 Remove add_jump; add next; replace flags with visited.
4053 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
4054 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
4055 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
4056 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
4058 (reorder_index, reorder_last_visited): Remove.
4059 (skip_insns_after_block): Rewrite to use a switch.
4060 (get_common_dest): Remove.
4061 (chain_reorder_blocks): Remove.
4062 (record_effective_endpoints): Split out from reorder_basic_blocks.
4063 (make_reorder_chain): Likewise. Loop until all blocks are placed.
4064 (make_reorder_chain_1): Renamed from old make_reorder_chain.
4065 Only construct the reorder chain, do not move insns. Try harder
4067 (label_for_bb, emit_jump_to_block_after): New.
4068 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
4069 and adjust the jump insns appropriately. Fixup basic_block_info.
4070 (verify_insn_chain): Always define.
4071 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
4073 (make_new_scope): Don't write zeros to calloc'd space.
4074 (build_scope_forest): Rely on xrealloc to DTRT.
4075 (reorder_basic_blocks): Don't build loop nest. Don't fail if
4076 profile_arc_flag. Streamline EH test.
4078 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
4079 * basic-block.h: Declare them.
4081 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
4083 * emit-rtl.c (reset_used_decls): New function.
4084 (unshare_all_rtl_again): Call it.
4086 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
4088 * cpplex.c (maybe_macroexpand): Warn about function-like
4089 macros used in non-function context, if -Wtraditional.
4091 2000-05-25 Mark Mitchell <mark@codesourcery.com>
4093 * recog.c (peephole2_optimize): Use INSN_P.
4095 2000-05-25 Richard Henderson <rth@cygnus.com>
4097 * ifcvt.c (seq_contains_jump): New.
4098 (noce_try_store_flag_constants): Use it to fail conversion.
4099 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
4101 2000-05-25 Mark Mitchell <mark@codesourcery.com>
4103 * except.h (can_throw): Declare it.
4104 * except.c (can_throw): Give it external linkage.
4105 * resource.c (find_dead_or_set_registers): Use can_throw.
4107 2000-05-25 Richard Henderson <rth@cygnus.com>
4109 * flow.c (mark_set_1): Don't record conditionally dead memory.
4111 2000-05-25 Jan Hubicka <jh@suse.cz>
4113 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
4114 and pc_set at the place of simplejump_p and condjump_p.
4115 * cse.c (record_jump_equiv): Likewise.
4116 * emit-rtl.c (emit): Likewise.
4117 * explow.c (find_next_ref): Likewise.
4118 * flow.c (tidy_fallthru_edge): Likewise.
4119 (init_propagate_block_info): Likewise.
4120 * gcse.c (delete_null_pointer_checks): Likewise.
4121 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
4122 dead_or_predicable): Likewise.
4123 * integrate.c (copy_insn_list): Likewise.
4124 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
4125 for_each_insn_in_loop, check_dbra_loop, get_condition,
4126 insert_bct, load_mems): Likewise.
4127 * resource.c (find_dead_or_set_registers): Likewise.
4128 * sibcalls.c (simplejump_p): Likewise.
4129 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
4131 2000-05-25 David Edelsohn <edelsohn@gnu.org>
4133 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
4134 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
4136 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
4137 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
4138 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
4139 * rs6000.md: Name various internal patterns.
4141 2000-05-25 Jan Hubicka <jh@suse.cz>
4143 * jump.c (invert_exp_1): Remove first argument, use pc_set
4144 to get the expression.
4145 (redirect_exp): Make static; redirect only the pc_set expression,
4146 remove first argument.
4147 (invert_exp): Remove first argument, make static.
4148 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
4149 any_onlyjump at most places where we originaly did condjump_p
4151 (jump_back_p, follow_jumps, thread_jumps): Likewise.
4152 (delete_barrier_succesors): Use pc_set.
4153 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
4154 calls of invert_exp and redirect_exp.
4155 * rtl.h (redirect_exp, invert_exp): Remove.
4156 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
4158 2000-05-25 Richard Henderson <rth@cygnus.com>
4160 * stmt.c (expand_end_bindings): Fix thinko last change.
4162 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
4163 Andrew Haley <aph@cygnus.com>
4165 * except.c (func_eh_entry): Add emitted field.
4166 (new_eh_region_entry): Set emitted field to 0;
4167 (output_exception_table_entry): Only emit previously un-emitted data,
4168 and send it to the eh_data section.
4169 (output_exception_table): Break out common parts. Output
4170 exception table for entire compilation unit to eh_data section.
4171 (output_exception_table_data): Common parts of output_exception_table.
4172 Send output to eh_data section.
4173 (output_function_exception_table): Output exception table data for
4174 a single function to eh_data section.
4175 (free_exception_table): New external to free the table.
4176 * except.h (free_exception_table): Add prototype.
4177 (output_function_exception_table): Add prototype.
4178 * final.c (final_end_function): Output function exception table
4179 for IA64_UNWIND_INFO.
4180 (final_scan_insn): Emit any unwind directives for an insn.
4182 * frame-dwarf2.c: New file containing all DWARF 2 specific code
4184 * frame.c: Remove all DWARF 2 specific code.
4185 * config/ia64/frame-ia64.c: New file.
4186 (gthread_stuff): Make all gthread available with
4188 (dwarf_fde): Define an IA64 struct for dwarf_fde.
4189 (__register_frame_info, __register_frame): Move to common area of file.
4190 (__register_frame_info_table, __register_frame_table): Move to common i
4192 (__deregister_frame_info, __deregister_frame): Move to common area.
4193 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
4194 (read_uleb128): New version for ia64.
4195 (get_unwind_record): Read the next IA-64 unwind record.
4196 (read_R_record): Read a region header record.
4197 (process_a_b_reg_code): X record helper.
4198 (read_X_record): Read an X format record.
4199 (read_B_record): Read a B format record.
4200 (P3_record_types): List of record types matching the P3 format.
4201 (P7_record_types): List of record types matching the P7 format.
4202 (P8_record_types): List of record types matching the P8 format.
4203 (read_P_record): Read a P format record.
4204 (init_ia64_reg_loc): Set default fields for a register.
4205 (init_ia64_unwind_frame): Set defaults for all register records.
4206 (execute_one_ia64_descriptor): Execute one descriptor record.
4207 (rse_address_add): Calculate the position of a local reg in memory.
4208 (normalize_reg_loc): Turn a location descriptor into a memory address.
4209 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
4210 within a specified PC offset range.
4211 (get_real_reg_value): Given a register location, retrieve its value.
4212 (set_real_reg_value): Change the value of a register location.
4213 (copy_reg_value): Copy reg values, if needed.
4214 (copy_saved_reg_state): Copy all registers that need to be copied.
4215 (process_state_between): Normalize all frame register records that
4216 fall within the specified PC range.
4217 (frame_translate): Take a processed frame description, and turn
4218 everything into addresses.
4219 (build_ia64_frame_state ): Find and create frame state record for a PC.
4220 (get_personality): Get the personality routine for a given frame.
4221 (get_except_table): Get the exception table for a given frame.
4222 (record_name): Unwind record names for debugging.
4223 (print_record): Print and unwind record.
4224 (print_all_records): Print an entire unwind image.
4225 (__ia64_backtrace): Print a backtrace.
4226 (ia64_backtrace_helper): New function.
4227 (__register_frame_info_aux): New function.
4228 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
4230 * frame.h (enum unw_record_type): New unwind record types.
4231 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
4232 (struct unw_r_record, unwind_record): New unwind record structs.
4233 (struct unwind_info_ptr): Unwind information layout.
4234 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
4236 (struct ia64_reg_loc): Register location description.
4237 (struct ia64_frame_state): Location of all registers in a frame.
4238 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
4239 * libgcc2.c (__ia64_personality_v1): Personality routine.
4240 (__calc_caller_bsp): Calculate the bsp register for the caller's
4242 (ia64_throw_helper): Figure out who to return to and set up the
4244 (__throw): Throw routine.
4246 * output.h (assemble_eh_align, assemble_eh_label): New functions
4247 to generate EH info where we want it.
4248 (assemble_eh_integer): New function.
4249 * toplev.c (compile_file): Output module level exception table for
4251 (main): Set exceptions_via_longjump and flag_new_exceptions based
4252 on IA64_UNWIND_INFO too.
4254 * varasm.c (assemble_eh_label): Generate a label via
4255 ASM_OUTPUT_EH_LABEL if it has been specified.
4256 (assemble_eh_align): Generate an alignment directive via
4257 ASM_OUTPUT_EH_ALIGN if it has been specified.
4258 (assemble_eh_label): Generate an integer value via
4259 ASM_OUTPUT_EH_type if they have been specified.
4260 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
4261 (ia64_init_builtins): Add __builtin_ia64_bsp
4262 and __builtin_ia64_flushrs.
4263 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
4264 IA64_BUILTIN_FLUSHRS.
4265 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
4266 IA64_BUILTIN_FLUSHRS.
4268 * config/ia64/ia64.md (flushrs): New insn to flush the register
4269 stack. Add to unspec list.
4271 * config/ia64/crtbegin.asm (frame_object): Change size.
4272 (__do_frame_setup_aux): New function.
4273 * config/ia64/crtend.asm: call __do_frame_setup_aux.
4274 * config/ia64/t-ia64 (LIB2ADDEH): Add.
4275 * Makefile.in (LIB2ADDEH): Add.
4276 (LIB2ADD): Use LIB2ADDEH.
4278 2000-05-24 Richard Henderson <rth@cygnus.com>
4280 * recog.c (offsettable_address_p): If mode size is zero, assume
4283 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
4285 * configure.in: Check for -Wno-long-long option support and improve
4286 handling of warning CFLAGS for stages 1 and 2.
4287 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
4288 * configure: Regenerate.
4290 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
4292 * gcc.texi: Remove contributor list. Instead include contrib.texi.
4293 * contrib.texi: New file.
4295 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4297 * loop.c (basic_induction_var): Avoid double recording of an increment.
4299 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4301 * Back out this patch:
4302 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
4303 * loop.h (struct induction): Add multi_insn_incr.
4304 * loop.c (basic_induction_var): New multi_insn_incr argument.
4305 Set it if we search back through previous insns for the biv.
4306 (record_biv): New multi_insn_incr argument; fill in struct induction.
4307 (strength_reduce): Discard an iv with multiple bivs, any of
4308 which require multiple insns to increment.
4310 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
4312 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4314 * rtl.h (loc_mentioned_in_p): Declare.
4315 * reload.c (loc_mentioned_in_p): Moved from here...
4316 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
4317 Fix loop increment for 'E' handling.
4318 * loop.c (strength_reduce): When doing biv->giv conversion,
4319 take multi-insn biv increments into account.
4321 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
4323 * stmt.c (expand_end_bindings): Look through NOTEs to find a
4326 2000-05-24 Mark Mitchell <mark@codesourcery.com>
4328 * calls.c (expand_call): Handle cleanups in tail-recursion
4329 arguments analagously to cleanups in sibling calls.
4331 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4333 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
4334 All callers changed.
4336 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4338 * expr.c (expand_assignment, store_expr, expand_expr,
4339 expand_expr_unaligned): Set in_check_memory_usage while emitting
4340 chkr_check_addr libcall.
4342 2000-05-24 Nick Clifton <nickc@cygnus.com>
4344 * fold-const.c (extract_muldiv): When constructing a
4345 multiplier/divisor, do not expect const_binop to correctly
4346 determine if overflow has occured, so check explicitly.
4348 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4350 * c-decl.c (build_enumerator): Don't modify the value's type,
4353 2000-05-24 Andreas Jaeger <aj@suse.de>
4355 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
4357 2000-05-24 Eric Christopher <echristo@cygnus.com>
4359 * configure.in: Redefine inhibit_libc conditions.
4360 * libgcc2.c: Remove inhibit_libc conditional define.
4361 * configure: Regenerate.
4363 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
4365 * configure.in: For --enable-languages=LIST, check for empty LIST.
4366 * configure: Regenerate.
4368 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
4370 * pdp11.h (STACK_BOUNDARY): Define.
4372 2000-05-24 Jakub Jelinek <jakub@redhat.com>
4374 * ifcvt.c (if_convert): Update life info globally.
4376 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4378 * emit-rtl.c (unshare_all_decls): New function.
4379 (unshare_all_rtl): Call it.
4381 2000-05-23 Nick Clifton <nickc@cygnus.com>
4383 * configure.in: Treat 'strongarm' as if it were 'arm' when
4384 determining cpu type.
4386 * configure: Regenerate.
4388 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
4389 where constant strings are involved.
4391 * config/arm/arm.h (arm_condition_codes): Change type to 'const
4394 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
4395 cases where constant strings are involved.
4397 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
4399 * config/sh/sh.c (gen_far_branch, split_branches): Update
4400 to reflect new prototypes for redirect_jump and invert_jump.
4401 (sh_insn_length_adjustment): Get rid of const warnings.
4403 2000-05-23 Kazu Hirata <kazu@hxi.com>
4405 * invoke.texi (Options for Debugging Your Program or GCC): Update
4406 the names of dump files.
4408 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
4410 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
4411 * configure: Regenerated.
4413 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4415 * simplify-rtx.c (SIGN_EXTEND): New macro.
4416 (simplify_unary_operation, simplify_binary_operation,
4417 simplify_relational_operation): Use SIGN_EXTEND. Make low
4418 halves of (low, high) pairs unsigned if they weren't already.
4419 (simplify_ternary_operation): Cast INTVAL to unsigned before
4420 comparing to a MODE_BITSIZE.
4422 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4424 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
4425 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
4427 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
4428 gcc_AC_NEED_DECLARATIONS.
4430 * dwarfout.c: Don't prototype time().
4432 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
4434 * system.h: Likewise.
4436 * toplev.c: Likewise.
4438 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4440 * c-decl.c (pushdecl): Invert sense of test for non-global types.
4442 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4444 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
4446 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
4448 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
4450 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4452 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
4453 (alpha_start_function): Never write ..ng label if VMS or NT.
4454 (alpha_align_insns): Remove GP_IN_USE arg.
4455 Alignment now unsigned.
4456 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
4457 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
4458 and two define_insn's.
4460 2000-05-22 Richard Henderson <rth@cygnus.com>
4462 * combine.c (simplify_comparison): Use trunc_int_for_mode.
4464 2000-05-22 Richard Henderson <rth@cygnus.com>
4466 * stor-layout.c (place_field): Change rli->size to rli->offset.
4468 2000-05-22 Richard Henderson <rth@cygnus.com>
4470 * function.c (thread_prologue_and_epilogue_insns): Make sure
4471 existing line number notes appear after the prologue.
4473 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4475 * config/alpha/alpha.c (alpha_fnname): New static variable.
4476 (print_operand, case '~'): New case.
4477 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
4478 (alpha_start_function): Set alpha_fnname.
4479 Write "ng" label if no ldgp; don't write ldgp insn.
4480 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
4481 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
4483 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
4485 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
4488 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
4490 * varasm.c (eh_frame_section): Revert change to argument list.
4492 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4494 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
4495 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
4497 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
4498 dangling "else" that causes "break" to be conditional.
4499 Also remove unneeded code at start.
4501 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
4503 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
4504 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
4505 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
4507 2000-05-22 Jakub Jelinek <jakub@redhat.com>
4509 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
4512 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4514 * alias.c (record_component_aliases): New function.
4515 * tree.h: Clean up some declarations and comments.
4516 (record_component_aliases): New declaration.
4517 * tree.c (get_alias_set): If type and has alias set, use it.
4519 2000-05-22 Richard Henderson <rth@cygnus.com>
4521 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
4522 IF_THEN_ELSE to a setcc form.
4523 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
4525 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4527 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
4528 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
4530 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4532 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
4535 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4537 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
4538 * config/mn10300/mn10300.c (print_operand): Likewise.
4540 * final.c (split_double): Right shift of negative values is not
4543 * ifcvt.c (if_convert): Scan and kill dead code.
4545 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
4547 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
4549 * diagnostic.c: Eliminate implicit int.
4550 * except.c, gcc.c: Add static prototypes.
4551 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
4552 * gensupport.c (process_rtx): Use XVEC to initialize vector
4555 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
4556 debug_reg_names instead of static reg_names. If not, define
4558 * regclass.c: Don't define global reg_names unless
4559 DEBUG_REGISTER_NAMES is defined.
4561 * reload1.c (order_regs_for_reload): Remove unused variable.
4562 * varasm.c: Include output.h after defaults.h. Define
4563 eh_frame_section as function of no args, not of unspecified args.
4565 * gcc.c: Constify argbuf; arguments to store_arg,
4566 process_command, main; elements of struct command and struct
4567 switchstr; local variables in execute, process_command, main.
4569 2000-05-20 Bruce Korb <bkorb@gnu.org>
4571 * fixinc/inclhack.def: many applications of c_fix=format + tests
4572 * fixinc/check.diff: regenerated
4573 * fixinc/fixincl.x: regenerated
4575 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4577 * alias.c: Clarify some comments.
4578 (record_base_value): REGNO is unsigned.
4579 * rtl.h (record_base_value): Likewise.
4581 * alias.c (aliases_everything_p): Don't special-case QImode here.
4582 * c-common.c (c_get_alias_set): Do it here.
4583 Handle BIT_FIELD_REF by getting alias info for arg.
4586 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4588 * mklibgcc.in: Restore rule to create ${dir}.
4590 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
4592 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
4593 GCC_FOR_TARGET used by MULTILIBS.
4594 * mklibgcc.in: Make sure each .o file depends on the
4595 directory it will be in.
4596 Make the multilib directory depends libgcc.
4598 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
4600 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
4602 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
4604 * fold-const.c (make_range): Handle degenerated intervals.
4605 Fixes c-torture/execute/991221-1.c
4607 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4609 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
4610 * reload.c (find_equiv_reg): Likewise.
4611 * alias.c (init_alias_analysis): Likewise.
4612 Only call prologue_epilogue_contains on insns.
4613 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
4614 * bb-reorder.c (hard-reg-set.h): Include earlier.
4615 * haifa-sched.c (hard-reg-set.h): Likewise.
4616 * ifcvt.c (hard-reg-set.h): Likewise.
4617 * local-alloc.c (hard-reg-set.h): Likewise.
4618 * loop.c (hard-reg-set.h): Likewise.
4619 * predict.c (hard-reg-set.h): Likewise.
4620 * regrename.c (hard-reg-set.h): Likewise.
4621 * flow.c (hard-reg-set.h): Likewise.
4622 (reg_set_to_hard_reg_set): New function.
4623 * bitmap.c (regs.h, basic-block.h): No longer include.
4624 (bitmap.h): Now include.
4625 * conflict.c (hard-reg-set.h): Include.
4626 * profile.c (hard-reg-set.h): Likewise.
4627 * print-rtl.c (hard-reg-set.h): Likewise.
4628 * sbitmap.c (hard-reg-set.h): Likewise.
4629 * toplev.c (hard-reg-set.h): Likewise.
4630 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
4631 * hard-reg-set.h (reg_names): Now constant.
4632 * regs.h (reg_names): Likewise.
4633 * regclass.c (reg_names): Likewise.
4634 * loop.h (basic-block.h): No longer include.
4635 (bitmap.h): Now include.
4636 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
4637 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
4638 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
4640 2000-05-19 Jan Hubicka <jh@suse.cz>
4641 Richard Henderson <rth@cygnus.com>
4643 * basic-block.h (struct edge_def): New field "count".
4644 (struct basic_block_def): Likewise.
4645 * flow.c (entry_exit_blocks): Add count fileds.
4646 (split_edge): Keep count information up-to-date.
4647 (dump_edge_info, dump_flow_info): Dump count fields.
4649 * final.c (count_instrumented_edges): Rename to edge from arc.
4650 (end_final): Update users.
4651 * profile.c: Include expr.h, basic-block.h.
4652 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
4653 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
4654 (ignore_next_note, return_label_execution_count): Kill.
4655 (bbg_file_name, da_file_name): Kill.
4656 (edge_info, bb_info): New structures.
4657 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
4658 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
4659 (total_num_edges_instrumented): Likewise.
4660 (init_arc, expand_spanning_tree): Kill.
4661 (fill_spanning_tree, tablejump_entry_p): Kill.
4662 (instrument_edges): Rewrite from instrument_arcs to use
4663 commit_edge_insertions infrastructure.
4664 (compute_branch_probabilities): Remove arguments; rewrite for
4665 CFG infrastructure; use rtl_dump_file directly.
4666 (branch_prob, find_spanning_tree): Likewise.
4667 (union_groups, find_group): New.
4668 (init_branch_prob): Make bbg_file_name and da_file_name local.
4669 (end_branch_prob): Use rtl_dump_file directly.
4670 (init_edge_profiler): Rename to edge from arc.
4671 (output_arc_profiler): Kill.
4672 (gen_edge_profiler): New.
4673 (output_func_start_profiler): Turn off profiling. Make the
4674 constructor static when we can.
4675 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
4677 * toplev.c (DFI_flow): Remove.
4678 (DFI_cfg, DFI_life): New.
4679 (dump_file): Update accordingly.
4680 (compile_file): Call end_branch_prob if profile_arc_flag too.
4681 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
4682 profiling after the CFG is built. Move flow1 life analysis to
4683 DFI_life. Always estimate remaining probabilities.
4685 2000-05-19 Richard Henderson <rth@cygnus.com>
4687 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
4689 * flow.c (make_edges): The sibling call edge to exit is abnormal.
4691 2000-05-19 Richard Henderson <rth@cygnus.com>
4693 * jump.c (redirect_jump): Add delete_unused argument. Don't
4694 remove labels and code following when LABEL_NUSES goes to zero.
4695 (invert_jump): Likewise.
4696 (jump_optimize_1): Fix redirect/invert arguments.
4697 (do_cross_jump, thread_jumps): Likewise.
4698 * flow.c (split_edge): Likewise.
4699 * reorg.c (optimize_skip): Likewise.
4700 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
4701 * profile.c (instrument_arcs): Likewise.
4702 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
4703 * rtl.h: Update prototypes.
4705 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
4707 * ssa.c (convert_from_ssa): Tell life_analysis we need death
4709 (make_regs_equivalent_over_bad_edges): Only look at abnormal
4712 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
4714 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
4715 past l1 when deleting whitespace and markers.
4717 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
4718 * cpplib.c (do_unassert): Put the list to compare against on
4721 2000-05-19 Bruce Korb <bkorb@gnu.org>
4723 * fixinc/README: cleaned up old documentation
4724 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
4725 * fixinc/check.tpl: compute the list of needed directories
4726 emit "#if defined(name)" because of conflict
4727 omit machine name differences from output differences
4728 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
4729 (machine_name): change test text to use `sed' markers
4730 * fixinc/fixincl.x: regen
4732 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4734 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
4737 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4739 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
4740 it to match the current practice.
4742 2000-05-18 Mark Mitchell <mark@codesourcery.com>
4744 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
4746 2000-05-18 Richard Henderson <rth@cygnus.com>
4748 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
4749 * rtl.h (insn_dependant_p): Declare it.
4750 * loop.c (strength_reduce): Use it.
4752 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
4754 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
4755 16-bit and 64-bit clean-up.
4757 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
4759 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
4760 * configure: Rebuilt.
4762 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4764 * genopinit.c: Use $ for escape sequences in optab patterns.
4765 Remove backslashes from optab patterns. Change $A, $B, $C to
4766 expand to (int) whatever instead of just whatever; remove
4767 explicit (int) from all optab patterns.
4769 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
4770 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
4771 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
4772 genrecog.c: Remove private copies of xmalloc, xrealloc, and
4775 2000-05-18 Richard Henderson <rth@cygnus.com>
4777 * jump.c (jump_optimize_1): Base minimum insn count during
4778 find_cross_jump on BRANCH_COST.
4780 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4782 * print-rtl.c (print_rtx): Only print note line number as string
4783 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
4784 * final.c (final_scan_insn): Do nothing for note line number 0.
4786 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4788 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
4789 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
4790 NOTE_INSN_DELETED_LABEL.
4792 2000-05-18 Nick Clifton <nickc@cygnus.com>
4794 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
4795 uninitialised data in .rodata not .bss, and do not interpret an
4796 error in the initialisation value as meaning that the variable
4797 should be placed in the .bss section.
4799 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
4801 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
4802 not `$ac_cv_prog_cc_cc_c_o'.
4803 * configure: Regenerated.
4805 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4806 Richard Henderson <rth@cygnus.com>
4808 * c-common.h (enum c_tree_index): Add g77 type entries.
4809 (g77_integer_type_node, g77_uinteger_type_node): New.
4810 (g77_longint_type_node, g77_ulongint_type_node): New.
4811 * c-decl.c (init_decl_processing): Initialize them.
4813 2000-05-18 Richard Henderson <rth@cygnus.com>
4815 * config/h8300/h8300.md (subs patterns): Use %G to negate.
4817 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
4818 (small_power_of_two): Likewise; use exact_log2.
4819 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
4820 (output_adds_subs): Remove.
4821 (two_insn_adds_subs_operand): New.
4822 (split_adds_subs): New.
4823 * config/h8300/h8300-protos.h: Update.
4824 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
4825 (CONST_OK_FOR_L): Match strict adds operands.
4826 (CONST_OK_FOR_N): Match struct subs operands.
4827 * config/h8300/h8300.md (adds_subs insns): Remove.
4828 (addhi patterns): Output adds/subs directly.
4829 (addsi_h8300h): Likewise.
4830 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
4832 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4834 * cppexp.c (parse_assertion): New.
4835 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
4836 (_cpp_parse_expr): Remove case '#'. Don't set
4837 parsing_if_directive.
4838 * cpphash.c (collect_objlike_expansion,
4839 collect_funlike_expansion, collect_params,
4840 _cpp_create_definition): The list no longer has a trailing
4842 * cpphash.h (enum node_type): Add T_ASSERTION.
4843 (struct hashnode): Remove aschain, add pred.
4844 (struct predicate): New.
4847 * cpplex.c (expand_token_space): Handle both offset and
4849 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
4850 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
4851 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
4852 _cpp_equiv_toklists): New.
4853 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
4854 stop at any single-character token, not just newline.
4855 (_cpp_lex_token): Remove special cases for #define and #if.
4856 (cpp_get_token): Expect # as a separate token type. Remove
4858 (_cpp_get_directive_token): Remove DIRECTIVE case.
4859 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
4861 * cpplib.c (_cpp_check_directive): Set dirno and
4862 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
4863 (_cpp_handle_directive): Run # <number> through the same logic
4864 as normal directives.
4865 (do_define): Don't set parsing_define_directive. Use
4866 _cpp_scan_until. The list does not have a VSPACE at the end.
4867 (do_if): Save, clear, and restore only_seen_white around
4869 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
4870 (do_assert, do_unassert): Rewrite.
4872 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
4873 (LIST_OFFSET): New flag.
4874 (struct cpp_toklist): Replace dir_handler and dir_flags with
4876 (struct cpp_reader): Remove parsing_if_directive and
4877 parsing_define_directive.
4879 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4881 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
4882 following the cabs decl which terminate on the following line.
4883 Add the corresponding test_text case.
4885 2000-05-18 Neil Booth <NeilB@earthling.net>
4887 * cppinit.c (cpp_reader_init): Initialise col_adjust and
4888 default tab stop size.
4889 (no_num, OPT_ftabstop): New.
4890 (handle_option): Handle "ftabstop=" command-line option.
4891 (print_help): Document it.
4892 * cpplex.c (COLUMN): Remove.
4893 (handle_newline): Reset col_adjust.
4894 (skip_whitespace): Update col_adjust as tabs encountered.
4895 (_cpp_lex_line): Update to use col_adjust. Call
4896 skip_whitespace for all whitespace.
4897 * cpplib.h (struct cpp_options): New member tabstop.
4898 (struct cpp_reader): New member col_adjust.
4899 (CPP_BUF_COL): Update.
4900 (CPP_BUF_COLUMN): New.
4901 * cpp.texi: Document "-ftabstop=" command line option.
4903 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
4905 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
4907 * configure: Rebuilt.
4909 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
4911 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
4913 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
4914 HOST_BITS_PER_WIDE_INT is >= 64.
4916 2000-05-17 Richard Henderson <rth@cygnus.com>
4918 * jump.c (jump_optimize_1): Remove inactive but real insns
4919 in jump-to-next-insn optimization.
4921 2000-05-17 Richard Henderson <rth@cygnus.com>
4923 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
4924 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
4925 Don't call recompute_reg_usage if no_new_pseudos is true.
4926 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
4927 Return true if we did work; update global life information.
4928 * basic-block.h (optimize_mode_switching): Update decl.
4930 2000-05-17 Neil Booth <neilb@earthling.net>
4932 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
4934 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
4936 * cpplib.c: New feature, #pragma system_header.
4937 * cpp.texi: Document special treatment of system headers, and
4938 the various mechanisms to get a header that special treatment.
4940 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4942 * system.h (offsetof): Define at the very end, to ensure we prefer
4943 the platform's definition if available.
4945 2000-05-16 Bruce Korb <bkorb@gnu.org>
4947 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
4948 * fixinc/server.c: likewise
4949 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
4950 + #ifdef debugging code + use #def constant for
4952 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
4953 on C++ math namespace
4955 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4957 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
4958 Don't check the return value of sprintf. Use asprintf to avoid
4961 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
4963 * flags.h (warn_unused_function, warn_unused_label,
4964 warn_unused_parameter, warn_unused_variable, warn_unused_value):
4965 Replace ``warn_unused''.
4966 (set_Wunused): Add declaration.
4967 * toplev.c (set_Wunused): New function.
4968 (warn_unused_function, warn_unused_label, warn_unused_parameter,
4969 warn_unused_variable, warn_unused_value): New variables.
4970 (W_options): Add -Wunused-function, -Wunused-function,
4971 -Wunused-label, -Wunused-parameter, -Wunused-variable and
4972 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
4974 * toplev.c (decode_W_option): Update -Wunused flags by calling
4976 * c-decl.c (c_decode_option): Ditto for -Wall.
4978 * stmt.c (expand_expr_stmt, expand_expr_stmt,
4979 warn_about_unused_variables): Replace warn_unused with more
4980 explicit warn_unused_value et.al.
4981 * function.c (expand_function_end): Ditto.
4982 * c-typeck.c (internal_build_compound_expr,
4983 internal_build_compound_expr): Ditto.
4984 * c-decl.c (poplevel, pop_label_level): Ditto.
4985 * toplev.c (check_global_declarations): Replace warn_unused with
4986 check for either warn_unused_function or warn_unused_variable.
4988 * gcc.1, invoke.texi (Warning Options): Document
4989 -Wunused-function, -Wunused-function, -Wunused-label,
4990 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
4992 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
4994 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
4995 $(srcdir), not in the current directory.
4997 2000-05-16 Richard Henderson <rth@cygnus.com>
4999 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
5000 assembler supports it.
5001 (.fini, .init): Use a gp-relative indirect call.
5002 (__do_global_dtors_aux): Preserve the gp; rebundle.
5003 (__do_frame_setup): Likewise.
5004 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
5005 (.init): Use a gp-relative indirect call.
5006 (__do_global_ctors_aux): Preserve the gp.
5008 2000-05-16 Richard Henderson <rth@cygnus.com>
5010 * flow.c (commit_one_edge_insertion): Be prepared for a return
5011 insn to be inserted on the edge with a normal jump.
5012 * jump.c (jump_optimize_1): Don't look to create return isns.
5014 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
5015 * jump.c (jump_optimize_1): Likewise.
5016 (returnjump_p): Verify the argument is a JUMP_INSN.
5017 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
5019 2000-05-16 Nick Clifton <nickc@cygnus.com>
5021 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
5022 GET_RTX_CLASS (GET_CODE ()) == 'i'.
5023 (large_insn_p): Ditto.
5024 (m32r_is_insn): New function: Return true if the insn contains
5025 an executable instruction.
5026 (m32r_adjust_insn): Use m32r_is_insn.
5027 (m32r_sched_reorder): Use m32r_is_insn.
5028 (m32r_sched_variable_issue): Use m32r_is_insn.
5030 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5032 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
5035 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
5037 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
5038 according to given options.
5040 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
5042 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
5043 if X has VOIDmode either.
5044 (LIMIT_RELOAD_CLASS): Similarly.
5046 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
5047 not "general_operand" to match the processor's capabilities.
5049 2000-05-16 Bruce Korb <bkorb@gnu.org>
5051 * fixinc/README: corrected return address
5052 * fixinc/check.diff: regenerate, now that test works
5053 * fixinc/fixfixes.c(format_fix,format_write): reformatted
5054 (char_macro_def_fix,char_macro_use_fix): corrected and
5055 rewrote to use regex to parse the text
5056 * fixinc/inclhack.def: more testing
5057 * fixinc/fixincl.x: regenerated
5059 * fixinc/inclhack.def: added several "test_text" attributes
5060 changed several fixes to use `c_fix = format'
5061 re-alphabetized the fixes
5063 * fixinc/check.diff: regenerate
5064 * fixinc/fixincl.x: regenerate
5065 * fixinc/check.tpl: added `sparc' and `netinet' to the list
5069 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
5071 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
5073 2000-05-15 Richard Henderson <rth@cygnus.com>
5075 * toplev.c (rest_of_compilation): Run full jump pass before
5076 find_basic_blocks of flow2.
5078 2000-05-15 Richard Henderson <rth@cygnus.com>
5080 * jump.c: Fix typos and clarify commentary from last change.
5081 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
5082 (safe_to_remove_jump_p): Remove.
5083 (condjump_label): Use pc_set.
5085 2000-05-15 Richard Henderson <rth@cygnus.com>
5087 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
5088 that get in the way after reload.
5089 (cond_exec_process_if_block): Skip a label heading THEN block.
5091 2000-05-15 Richard Henderson <rth@cygnus.com>
5093 * varasm.c (output_constant_pool): Abort instead of converting
5094 (improperly) deleted labels to zero.
5096 2000-05-16 Neil Booth <NeilB@earthling.net>
5098 * cpplex.c (parse_string2): Update comment.
5099 (cpp_lex_line): No special assertion treatment for '('.
5100 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
5101 * cpplib.h (SYNTAX_ASSERT): Remove.
5103 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5105 * jump.c (condjump_p): Mark as depreached.
5106 (any_condump_p): New.
5107 (any_uncondump_p): New.
5109 (safe_to_remove_jump_p): New.
5110 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
5111 safe_to_remove_jump_p): Declare.
5113 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
5115 * calls.c: Re-install both patches reverted by last patch.
5116 (struct arg_data): New field tail_call_reg.
5117 (initialize_argument_information): Initialize tail_call_reg
5118 (load_register_parameters): New argument flags, use
5119 tail_call_reg when emiting tail call sequence.
5120 (expand_call): Update call of load_register_parameters;
5121 copy unadjusted_args_size to adjusted_args_size.
5123 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
5125 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
5126 and bct_p parameters to flags.
5127 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
5128 * rtl.h (loop_optimize): Update prototype.
5129 * toplev.c (rest_of_compilation): Update call of loop_optimize.
5131 2000-05-15 Jakub Jelinek <jakub@redhat.com>
5133 * calls.c (expand_call): Move expand_start_target_temps call after
5136 2000-05-15 Neil Booth <NeilB@earthling.net>
5138 * cpphash.c (trad_stringify, warn_trad_stringify,
5139 collect_params): Make some pointers pointers to const.
5140 * cpplex.c (auto_expand_name_space) Guaranteed to always
5141 expand by at least one character.
5142 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
5143 (struct token_spelling): Use const U_CHAR * rather than PTR.
5144 (expand_name_space): Fix up token pointers if name space
5145 is moved when expanding.
5146 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
5147 parse_string2, save_comment, spell_token, cpp_output_list):
5148 Update so the routines handle tokens with a direct pointer to
5149 their text, rather than an offset into the token's list's namebuf.
5150 (_cpp_lex_line): Rearrange for clarity.
5152 * cpplib.c (_cpp_check_directive): Similarly.
5153 (do_define): Make SYM a pointer to const.
5154 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
5155 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
5156 (TOK_OFFSET): Delete.
5159 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
5161 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
5164 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
5166 (logical_u_operand): Delete.
5167 (non_logical_cint_operand): Rewrite to take MODE into account.
5168 (non_logical_u_cint_operand): Delete.
5169 (boolean_operator): New function.
5170 (print_operand): Add new %q operand.
5171 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
5172 remove logical_u_operand and non_logical_u_cint_operand,
5173 update logical_operand and non_logical_cint_operand.
5174 * config/rs6000/rs6000.md: Rewrite the patterns for performing
5175 logical operations to use %q.
5177 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
5178 (movdi): Make similar to movsi.
5179 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
5180 is no such thing as a DImode CONST_DOUBLE.
5181 * config/rs6000/rs6000.c (output_toc): Likewise.
5183 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
5184 codes when old mnemonics are in use. Print register names
5185 for cc registers when requested.
5187 * optabs.c (expand_float): Don't allow mode widening that causes
5190 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
5191 flags to their current names -maix64 and -maix32.
5193 2000-05-14 Bruce Korb <bkorb@gnu.org>
5195 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
5196 and/or after current text of file
5197 * fixinc/fixlib.c(must_malloc):
5198 * fixinc/fixlib.h(must_malloc): + reformatting
5199 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
5200 with usages of ``c_fix = wrap;''
5201 Add several tests and use the ``c_fix = format'' fixer more.
5202 * fixinc/fixincl.x: regen
5203 * fixinc/check.diff: regen
5204 * fixinc/check.tpl: emit the associated header with the missing
5207 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
5209 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
5210 variables $src and $dst.
5212 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
5214 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
5215 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
5216 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
5217 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
5219 (set_message_prefixing_rule): Declare.
5221 * diagnostic.c: (current_prefixing_rule): New variable.
5222 (set_message_prefixing_rule): Define.
5223 (output_set_prefix): Adjust buffer->emitted_prefix_p.
5224 (init_output_buffer): Adjust Initialization.
5225 (output_emit_prefix): Rewrite. Take prefixing rules into account.
5227 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
5229 * ifcvt.c (if_convert): Do not free NULL.
5231 2000-05-12 H.J. Lu (hjl@gnu.org)
5233 * gthr-dce.h: Add support for libobjc.
5234 * gthr-posix.h: Likewise.
5235 * gthr-solaris.h: Likewise.
5236 * gthr-vxworks.h: Likewise.
5237 * gthr-single.h: Likewise.
5238 * gthr-win32.h: Likewise.
5240 2000-05-12 Nick Clifton <nickc@cygnus.com>
5242 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
5243 to move a double word value.
5244 (di_operand): New function: Return true if the operand is suitbale
5245 for a double word move operation.
5246 (nonimmediate_di_operand): New function: Return true if the
5247 operand is a DImode register or MEM.
5249 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
5250 nonimmediate_di_operand.
5252 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
5253 nonimmediate_di_operand.
5255 * config/fr30/fr30.md (movdi): New pattern. Required because
5256 other patterns generate DImode results.
5257 (movdi_insn): New pattern.
5259 2000-05-12 Richard Henderson <rth@cygnus.com>
5261 * config/alpha/alpha.c (struct shadow_summary): Define
5262 bitfields as type unsigned int.
5264 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
5266 * config/avr/t-avr: Added definition of FLOAT while generates
5269 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
5270 peepholes for tst+jump = sbrs/sbrc optimization.
5272 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
5274 * expr.c (emit_push_insn): Do not adjust stack pointer when
5277 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
5279 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
5280 * system.h (offsetof): ... to here.
5282 2000-05-12 Richard Henderson <rth@cygnus.com>
5284 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
5285 * final.c (final_end_function): Use app_disable. Rearrange note
5286 handling into a switch. Emit deleted labels.
5287 (output_asm_label): Generate label strings for deleted labels.
5288 * flow.c (tail_recursion_label_list): New.
5289 (find_basic_blocks_1): Set label_value_list directly. Collect list
5290 of tail recursion labels from call_placeholders. Don't add deleted
5291 labels to the label value list.
5292 (cleanup_cfg): Use free_EXPR_LIST_list.
5293 (flow_delete_insn_chain): Turn non-removable labels into notes.
5294 (flow_delete_block): Don't disable deleting the block because of
5295 a non-removable label.
5296 (tail_recursion_label_p): New.
5297 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
5299 (merge_blocks_move_successor_nojumps): Likewise. Also move a
5301 (merge_blocks): Disable a merge because of tail recursion labels.
5302 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
5303 Use a more accurate measure of not merging the join block.
5304 (find_if_block): Don't disable conversion because of a label.
5305 (find_if_case_1, find_if_case_2): Likewise.
5306 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
5307 element when copying.
5308 (squeeze_notes): Also leave EH notes.
5309 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
5311 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
5313 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
5314 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
5315 referring to a deleted label. Convert tail handling to a switch.
5316 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
5317 for NOTE_INSN_DELETED_LABEL.
5318 (NOTE): Fix commentary.
5319 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
5320 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
5321 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
5322 (LABEL_NUSES, LABEL_REFS): Likewise.
5323 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
5325 2000-05-12 Bruce Korb <bkorb@gnu.org>
5327 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
5328 * fixinc/check.diff: updated
5329 * fixinc/inclhack.def: corrected & added some test_text-s
5330 * fixinc/genfixes: removed unneeded options to autogen invocation
5331 * fixinc/fixincl.tpl: Specified the output file
5332 * fixinc/fixfixes.c: visual appearance
5333 * fixinc/fixincl.x: regenerate
5335 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
5337 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
5338 CTRL_defn_fix): Delete.
5339 (fix_char_macro_defines, fix_char_macro_uses): Rename to
5340 char_macro_def_fix and char_macro_use_fix, respectively. Put
5341 them into the FIXUP_TABLE. Get the string to search for from
5344 (format_write): New function.
5345 (format_fix): Use it.
5347 (FIX_PROC_HEAD): Constify text parameter.
5348 (machine_name_fix): Constify all char *s.
5349 * fixtests.c (skip_quote): Remove double static.
5351 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
5352 ctrl_use_quotes): Update for new scheme.
5353 * fixincl.x: Regenerate.
5355 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
5357 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
5359 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
5360 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5362 2000-05-11 Robert Lipe <robertlipe@usa.net>
5364 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
5365 * fixincl.x: Regenerate.
5367 2000-05-11 Richard Henderson <rth@cygnus.com>
5369 * calls.c: Revert both 05-09 patches.
5371 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
5373 * config/mn10300/mn10300.c (print_operand): Print FP constants in
5375 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
5378 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
5379 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
5381 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
5383 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
5385 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5387 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
5389 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
5391 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
5392 * config/avr/avr.c (jump_over_one_insn_p): New function.
5393 * config/avr/avr.md: New peepholes added. Output test and
5394 conditional jump to "sbrc" or "sbrs" command.
5396 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
5398 * cppmain.c (main): Use IS_DIR_SEPARATOR.
5400 2000-05-11 Jakub Jelinek <jakub@redhat.com>
5402 * except.c (find_exception_handler_labels_1): New function.
5403 (find_exception_handler_labels): Split into two functions, dive
5404 into CALL_PLACEHOLDERs when looking for exception handler labels.
5406 2000-05-11 Stan Cox <scox@cygnus.com>
5408 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
5409 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
5410 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
5412 2000-05-11 Bruce Korb <bkorb@gnu.org>
5414 * fixinc/fixfixes.c (double_slash_fix): obsolete
5415 (else_endif_label_fix): obsolete
5416 (format_fix): new, unused as yet
5418 * fixinc/fixlib.h: added fix description struct for use by format_fix
5419 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
5420 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
5421 modules. Removed the vestiges of the script version.
5422 Added support for "make check".
5423 * fixinc/check.diff: base diff file (needs work!!)
5424 * fixinc/check.tpl: quiet the fixup output
5425 * fixinc/fixtests.c (main): obsolete
5426 * fixinc/fixincl.sh: don't bother copying fixincl to ..
5427 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
5429 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
5431 * toplev.c (rest_of_compilation): Remove dead code after
5434 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5436 * cpphash.c (collect_funlike_expansion): Make "# is not
5437 followed by a macro argument name" a pedwarn, not an error.
5438 Preserve the # in the output. Suppress the warning if lang_asm.
5440 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
5442 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
5443 * configure: Rebuilt.
5445 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
5447 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
5449 2000-05-10 Kazu Hirata <kazu@hxi.com>
5451 * combine.c (try_combine): Fix a typo.
5453 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
5455 * config/ia64/ia64.md (insv): Add comment.
5457 2000-05-10 Richard Henderson <rth@cygnus.com>
5459 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
5460 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
5461 dependancies on FPBIT and DPBIT.
5463 2000-05-10 Nick Clifton <nickc@redhat.com>
5465 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
5466 when optimising for size.
5467 (mark_used_regs:) Ditto.
5468 (try_pre_increment_1): Ditto.
5470 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
5472 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
5473 Make error message friendlier.
5475 * cpphash.h (struct hashnode): Use struct hack for name
5477 * cpphash.c (struct hashdummy): New.
5478 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
5479 (make_HASHNODE): No need to set ->name pointer. Correct
5481 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
5483 2000-05-10 Richard Henderson <rth@cygnus.com>
5485 * flow.c (find_basic_blocks_1): Remove any spare bb_note
5488 2000-05-10 Bruce Korb <bkorb@gnu.org>
5490 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
5492 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
5494 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
5495 after we enter .debug.
5497 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
5499 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
5500 abstract instance of a nested inline function.
5502 * stor-layout.c (finish_record_layout): finalize_type_size
5503 before laying out the pending_statics.
5505 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
5507 * cpplex.c (spell_token): New function.
5508 (spell_string, spell_comment, spell_name): fold into
5511 (E, H): Remove macros.
5512 (save_comment): Save comment opening characters too.
5513 (_cpp_lex_file): Update to use spell_token. Tidy up comment
5515 * cpplib.h (I, S): Add macros.
5516 (E, H): Remove macros.
5517 (TTYPE_TABLE): Update entries for new speller.
5518 (SYNTAX_ASSERT): Remove.
5520 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
5522 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
5523 when removing escaped newlines. Reverse sense of test for
5526 2000-05-09 Richard Henderson <rth@cygnus.com>
5528 * flow.c (find_basic_blocks_1): Do not delete the first
5529 bb_note we run across.
5530 (create_basic_block): Use reorder_insns to move an existing
5531 bb_note to the correct place.
5533 2000-05-09 Richard Henderson <rth@cygnus.com>
5535 * calls.c (expand_call): Increment currently_expanding_call
5536 before calling optimize_tail_recursion.
5538 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5540 * reload1.c (reload_combine): Fix errors in last change.
5542 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
5544 * gcc.c (used_arg): Skip over a semicolon at the end of the
5545 split-up loop; don't break out of it.
5547 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
5548 (tree.o): Depend on output.h.
5550 * c-decl.c (pending_invalid_xref_file,
5551 current_function_prototype_file): Constify.
5552 (pushdecl): Constify a local char *.
5553 (define_label): Constify filename parameter.
5554 * c-lex.c (init_parse): Constify parameter and return value.
5555 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
5556 * c-tree.h: Update prototypes.
5557 * c-parse.in: Constify filename member of %union, and if_stmt_file.
5558 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
5559 objc/objc-parse.c: Regenerate.
5561 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
5562 * dwarfout.h: Update prototypes.
5563 * expr.c (expand_expr): Constify a local char *.
5564 * flags.h: Constify main_input_filename.
5565 * function.c (expand_function_end): Constify filename parameter.
5566 * genrecog.c (make_insn_sequence): Use a character array for
5568 (main): Remove unused variables.
5569 * input.h: Constify input_filename, main_input_filename, and
5570 file_stack.name. Update prototypes.
5571 * output.h: Declare first_global_object_name and
5572 weak_global_object_name here, as const char *.
5573 * stmt.c (expand_asm_operands): Constify filename parameter.
5574 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
5575 Constify filename parameter.
5576 (input_filename, main_input_filename): Constify.
5577 * toplev.h: Update prototypes.
5578 * tree.c: Include output.h. Don't declare
5579 first_global_object_name or weak_global_object_name. Clean up string
5580 bashing in get_file_function_name_long.
5581 * tree.h (struct tree_decl): Constify filename member.
5582 (input_filename): Constify.
5584 * varasm.c (first_global_object_name, weak_global_object_name):
5586 (assemble_start_function, assemble_variable): Clean up string bashing.
5588 * gcc.c: Constify all spec-related strings initialized,
5589 transitively, from string constants. Constify all strings
5590 and string variables related to multilibs.
5591 (set_spec, read_specs): Cast argument to free to PTR.
5592 (used_arg): Do not modify multilib_matches. Use strncmp plus
5593 length comparison to compare multilib switches.
5594 * genmultilib: Constify everything declared in multilib.h.
5596 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
5598 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
5601 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
5603 * config/avr/avr-protos.h (extra_constraint): change a type of
5604 second argument from char to int to avoid warnings.
5605 (asm_output_byte): Likewise.
5607 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
5608 (initial_elimination_offset): Handle elimination from
5609 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
5610 (legitimate_address_p): Use MAX_LD_OFFSET.
5611 (legitimize_address): Likewise.
5612 (out_movqi_r_mr): Likewise.
5613 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
5614 (out_movsi_r_mr): Use MAX_LD_OFFSET.
5615 (out_movsi_mr_r): Likewise.
5616 (out_movqi_mr_r): Likewise.
5617 (out_movhi_mr_r): Likewise.
5618 (notice_update_cc): Correct CC for the ashrqi3 with the shift
5619 count as CONST_INT != 6.
5620 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
5621 shift count is a CONSTANT_P, but not a CONST_INT.
5622 (ashlhi3_out): Coding style modifications.
5623 (ashlsi3_out): Likewise.
5624 (ashrhi3_out): Likewise.
5625 (ashrsi3_out): Likewise.
5626 (lshrhi3_out): Likewise.
5627 (lshrsi3_out): Likewise.
5628 (ashrqi3_out): Generate shift for any known constant count without
5629 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
5630 but not a CONST_INT.
5631 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
5632 shift count is a CONSTANT_P, but not a CONST_INT.
5633 (extra_constraint): change a type of
5634 second argument from char to int to avoid warnings.
5635 (asm_output_byte): Likewise.
5636 (asm_file_end): Output size generated commands count as a hex
5639 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
5641 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
5643 (ashlqi3): Values of "length" attribute changed. Shift count
5644 uses constraints 'n' instead of 'i'.
5645 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
5646 shifts without clobber register.
5647 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
5648 (call_insn): Correct test for which_alternative == 1 (was 0).
5649 (call_value_insn): Likewise.
5651 * config/avr/t-avr: Remove definition of FLOAT while generates
5654 2000-05-09 Bruce Korb <bkorb@gnu.org>
5656 * fixinc/check.tpl: Template for checking fixes
5657 * fixinc/inclhack.def: Added 'test_text' for many fixes
5658 disable hpux8_bogus_inlines on SCO
5659 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
5661 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5663 * calls.c (expand_call): Reorganize somewhat in order
5664 to avoid unnecesary recalculation inside loop and make
5665 tail call failure code cleaner.
5667 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5669 * alias.c (nonlocal_reference_p): Minor reformatting.
5670 * reload.c (find_equiv_reg): Simplify logic for
5671 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
5672 some some reformatting.
5673 * reload1.c (reload_combine): Don't assume everything in
5674 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
5676 2000-05-08 Richard Henderson <rth@cygnus.com>
5678 * final.c (current_insn_predicate): New.
5679 (final_scan_insn): Set it.
5680 * output.h (current_insn_predicate): Declare.
5682 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
5683 Attach it to call insns.
5684 (cond_exec_process_if_block): Track probability for true and
5686 (dead_or_predicable): Likewise.
5688 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
5689 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
5690 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
5691 (estimate_probability, expected_value_to_br_prob): Use them.
5693 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
5694 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
5695 (ia64_expand_prediction): New.
5696 (emit_insn_group_barriers): Don't look at notes. Emit barriers
5697 as needed after calls.
5698 (ia64_epilogue_uses): Mark b0 used.
5699 * config/ia64/ia64.md (beq_true, beq_false): Remove.
5700 (bne_true, bne_false): Remove.
5701 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
5702 (br_true, br_false): New. Use predicate_operator and
5703 ia64_expand_prediction.
5704 (return_true, return_false): Likewise.
5705 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
5706 (call_internal1, call_value_internal): Likewise.
5707 (call_value_internal1, call_multiple_values_internal1): Likewise.
5709 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
5711 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
5713 2000-05-08 Richard Henderson <rth@cygnus.com>
5715 * rtlanal.c (may_trap_p): Consider old-style and volatile
5718 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
5720 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
5722 2000-05-08 Richard Henderson <rth@cygnus.com>
5724 * config/ia64/ia64.h (predicate_operator): Declare.
5726 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
5729 * gensupport.c (process_rtx): Copy and post-process each member
5730 of the define_insn rtvec individually.
5732 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
5734 * cpplex.c (spell_token): New function.
5735 (TOKEN_LEN): Add 1 for whitespace.
5736 (_cpp_lex_file): Update to use spell_token.
5737 * cpplib.h (E): Remove.
5738 (TTYPE_TABLE): Update CPP_VSPACE entry.
5740 2000-05-08 Richard Henderson <rth@cygnus.com>
5742 * flow.c (init_propagate_block_info): Watch out for conditional
5743 branch to next instruction, and thus one outgoing edge.
5745 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
5746 for global register variables; don't special case __[CD]TOR_LIST__;
5747 mind ggc_p for string allocation.
5749 2000-05-08 Nick Clifton <nickc@cygnus.com>
5751 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
5753 2000-05-08 Bruce Korb <bkorb@gnu.org>
5755 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
5756 i?86-*-msdosdjgpp* no longer uses fixincludes
5757 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
5758 * fixinc/inclhack.sh: deleted
5759 * fixinc/hackshell.tpl: deleted
5760 * fixinc/inclhack.tpl: deleted
5761 * fixinc/Makefile.in: Remove dependencies on above
5762 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
5764 2000-05-08 Andreas Jaeger <aj@suse.de>
5766 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
5769 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
5771 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
5774 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
5776 * cpplex.c: Move new lexer definitions and prototypes
5777 to top. Conditional include these and the code if
5778 NEW_LEXER is defined. Rename functions whose names
5779 clash if this code included.
5781 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
5783 * rtl.def (COND_EXEC): Clarify.
5785 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
5786 same fashion as zero_extendsidi2.
5788 2000-05-06 Richard Henderson <rth@cygnus.com>
5790 * config/ia64/ia64.c (predicate_operator): New.
5791 (ia64_print_operand): Handle 'J'.
5792 (rtx_needs_barrier): Handle COND_EXEC.
5793 * config/ia64/ia64.h (BRANCH_COST): Define.
5794 (PREDICATE_CODES): Update.
5795 * config/ia64/ia64.md: Docuement used unspec values.
5796 (attr predicable): New.
5797 (movxf, movxf_internal): New.
5798 (extendsfdf2): Don't comment out nop.
5799 (floatdidf2): Remove.
5800 (truncxfsf2, truncxfdf2, floatdixf2): New.
5801 (abssi2, absdi2): Put the neg in the "true" slot.
5802 (conditional branch instructions): Mark not predicable.
5803 (cmov*_internal): Use predicate_operator. Split to cond_exec.
5804 (abs*_internal): Likewise.
5805 (alloc, set_bsp): Mark not predicable.
5806 (barrier, insn_group_barrier, flush_cache): Likewise.
5807 (define_cond_exec): New.
5809 2000-05-06 Richard Henderson <rth@cygnus.com>
5811 * c-decl.c: Include "tm_p.h".
5813 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
5814 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
5815 (ia64_expand_op_and_fetch): Declare.
5816 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
5817 (setjmp_operand): Constify variables for XSTR.
5818 (ia64_encode_section_info): Likewise.
5819 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
5821 (ia64_asm_output_external): Constify name.
5822 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
5823 (process_for_unwind_directive): Provide switch default.
5824 (ia64_expand_compare_and_swap): Remove unused variables.
5825 (ia64_expand_builtin): Likewise.
5826 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
5829 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
5830 (symbolic_operand, function_operand, setjmp_operand): Likewise.
5831 (shift_count_operand, shift_32bit_count_operand): Likewise.
5832 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
5833 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
5834 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
5835 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
5836 (ia64_expand_builtin): Likewise.
5837 (call_multiple_values_operation): Make dest_regno unsigned.
5839 2000-05-06 Richard Henderson <rth@cygnus.com>
5841 * rtl.def (DEFINE_COND_EXEC): New.
5842 * md.texi: Document it.
5844 * gensupport.c (input_file): Remove.
5845 (struct queue_elem): Add lineno.
5846 (rtx_ready_queue): Remove.
5848 (predicable_default): New.
5849 (predicable_true, predicable_false): New.
5850 (define_attr_queue, define_attr_tail): New.
5851 (define_insn_queue, define_insn_tail): New.
5852 (define_cond_exec_queue, define_cond_exec_tail): New.
5853 (other_queue, other_tail): New.
5854 (queue_pattern): New.
5855 (process_rtx): Add patterns to the appropriate queues.
5856 (is_predicable, identify_predicable_attribute): New.
5857 (n_alternatives, collect_insn_data): New.
5858 (alter_predicate_for_insn, alter_test_for_insn): New.
5859 (shift_output_template, alter_output_for_insn): New.
5860 (process_one_cond_exec, process_define_cond_exec): New.
5861 (init_md_reader): Read the entire file. Process define_cond_exec.
5862 (read_md_rtx): Return elements from the queues.
5864 2000-05-06 Richard Henderson <rth@cygnus.com>
5866 * flow.c (mark_set_1): Don't update conditional life info
5867 if the register is not_dead.
5869 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5871 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
5872 (mostlyclean): Also delete fixincl, fixinc.sh, and
5873 specs.ready, and make clean in the fixinc subdir.
5875 2000-05-06 Richard Henderson <rth@cygnus.com>
5877 * Makefile.in (gensupport.o): Compile for the host.
5878 (host-prefix gensuuprt.o): Remove.
5879 (genflags.o): Depend on gensupport.h and OBSTACK_H.
5880 (genattrtab.o): Likewise.
5881 (gencodes.o): Depend on gensupport.h.
5882 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
5883 (genpeep.o, genattr.o, genoutput.o): Likewise.
5885 * gensupport.c (obstack, rtl_obstack): New.
5886 (init_md_reader): Initialize rtl_obstack.
5887 * gensupport.h (rtl_obstack): Declare.
5888 (message_with_line): Declare.
5890 * genattr.c: Remove all traces of obstack manipulation.
5891 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
5892 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
5894 * genattrtab.c (obstack, rtl_obstack): Remove.
5895 (main): Don't init rtl_obstack.
5896 * genflags.c: Likewise.
5898 * genrecog.c (message_with_line): Move ...
5899 * gensupport.c: ... here.
5901 2000-05-06 Richard Henderson <rth@cygnus.com>
5903 * c-typeck.c (build_c_cast): Remove dead code.
5905 2000-05-06 Richard Henderson <rth@cygnus.com>
5907 * flow.c (split_edge): Don't allocate global_live_at_start for
5908 the new block unless the old blocks had them as well.
5910 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
5912 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
5913 test_bb if a or b uses x.
5915 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5917 * cpphash.h: Remove conditional #define of __extension__.
5918 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
5919 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
5920 (ENABLE_RTL_CHECKING only).
5921 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
5922 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
5923 (ENABLE_TREE_CHECKING only).
5924 * varray.h: Add __extension__ to VARRAY_CHECK macro
5925 (ENABLE_CHECKING only).
5927 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5929 Use new tail-calling mechanism on ARM.
5930 * arm.md (sibcall, sibcall_value): New expands.
5931 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
5932 (tailcalling peepholes): Delete.
5933 (push_multi): Simplify.
5934 * arm.c (lr_save_eliminated): Delete definition.
5935 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
5936 (output_return_instruction): Remove checks on lr_save_eliminated.
5937 (output_arm_prologue): Remove old tail-calling code.
5938 (arm_output_epilogue): New parameter, really_return. All callers
5939 changed. Handle tail-calling epilogues.
5940 * arm.h (lr_save_eliminated): Delete declaration.
5941 (frame_pointer_needed): Delete declaration.
5942 * arm-protos.h (arm_output_epilogue): Adjust prototype.
5944 * arm.md (is_thumb): Examine symbol thumb_code, not expression
5946 * arm.c (thumb_code): Define it.
5947 (arm_override_options): Set it.
5948 * arm.h (thumb_code): Declare it.
5950 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5952 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
5954 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5956 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
5957 bogus clobber to insns.
5958 (load_multiple_operation, store_mulitple_operation): Don't check
5960 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
5962 * arm.md (and_scc, ior_scc): Add missing mode.
5964 * arm.md (call_value_symbol): Remove predicate from op2.
5966 * arm.h (SPECIAL_MODE_PREDICATES): Define.
5968 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5970 * expr.c (get_subtarget): New function.
5971 (force_operand, expand_expr, do_store_flag): Use it.
5973 * toplev.c (compile_file): Don't take strlen of NAME if null.
5975 2000-05-06 David Edelsohn <edelsohn@gnu.org>
5977 * xcoffout.c (xcoff_current_include_file,
5978 xcoff_current_function_file, xcoff_lastfile): Constify char *.
5979 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
5981 (xcoffout_declare_function): Make name 'const char *'.
5982 (xcoffout_end_epilogue): Make fname 'const char *'
5983 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
5984 xcoffout_declare_function, xcoffout_source_line): Match above.
5986 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
5988 * rs6000.c (print_operand): Fix lossage typo.
5989 (output_cbranch): Remove "cr" decoration for now.
5990 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
5992 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
5994 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
5997 2000-05-05 Bruce Korb <bkorb@gnu.org>
5999 * fixinc/genfixes: Improve the matching for make target names
6001 2000-05-05 Catherine Moore <clm@cygnus.com>
6003 * c-common.c (decl_attributes): For TYPE_DECLs attach the
6004 attribute to the decl.
6005 * c-decl.c (pushdecl): Propagate the USED attribute to the
6008 2000-05-05 Richard Henderson <rth@cygnus.com>
6010 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
6011 same way emit_group_load does.
6013 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
6015 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
6017 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
6020 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
6022 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
6024 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
6026 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
6027 to support -shared, on platforms with dynamic libraries.
6029 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
6031 * system.h (S_ISBLK): Provide fallback definition.
6033 2000-05-05 Geoff Berry <geoffb@bops.com>
6035 * extend.texi (Extended Asm): Document inability to give asm
6036 statements access to condition codes.
6038 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
6040 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
6041 as arg 2 of UNIQUE_SECTION.
6043 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
6045 * predict.c: Remove May 4 change.
6046 * bb-reorder.c (make_reorder_chain): Do not perform block movement
6047 if we have predicted the branch at 50-50 probability.
6049 2000-05-05 Richard Henderson <rth@cygnus.com>
6051 * flow.c (init_propagate_block_info): Fix merge error
6052 in HAVE_conditional_execution code.
6054 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
6056 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
6057 shift cycle for unknown shift count. Also generates dec + brpl.
6058 (ashlqi3_out): Don't generate dec + brpl which now generates by
6059 `out_shift_with_cnt'.
6060 (ashlhi3_out): Likewise.
6061 (ashlsi3_out): Likewise.
6062 (ashrqi3_out): Likewise.
6063 (ashrhi3_out): Likewise.
6064 (ashrsi3_out): Likewise.
6065 (lshrqi3_out): Likewise.
6066 (lshrhi3_out): Likewise.
6067 (lshrsi3_out): Likewise.
6069 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
6071 * gcc.c (free_split_directories): Correct typo in explanation
6072 of make_relative_prefix.
6074 2000-05-04 Geoff Keating <geoffk@cygnus.com>
6076 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
6077 comparison codes to branch_comparison_operator.
6079 2000-05-04 Richard Henderson <rth@cygnus.com>
6081 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
6083 2000-05-04 Richard Henderson <rth@cygnus.com>
6085 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
6086 (DPBIT_FUNCS): Remove _sf_to_usi.
6087 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
6089 * ifcvt.c (noce_process_if_block): Fail if A or B modified
6090 between condition and jump.
6092 * libgcc2.c (near eh_context_specific): Comment #endif string.
6093 * longlong.h: Don't use strings with embedded newlines.
6095 2000-05-04 Geoff Keating <geoffk@cygnus.com>
6097 * config/rs6000/rs6000-protos.h: Add output_cbranch.
6098 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
6099 (print_operand): Delete %t and %T codes.
6100 (output_cbranch): New function. Support branch prediction.
6101 * config/rs6000/rs6000.md: Use output_cbranch for
6102 conditional branches and returns.
6104 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
6106 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
6107 * stor-layout.c (place_field): Likewise.
6108 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
6109 * expr.c (store_expr): Make align unsigned.
6110 * explow.c (plus_constant_wide): Make low words unsigned.
6111 * expmed.c (choose_multiplier): Likewise.
6112 * fold-const.c (fold): Likewise.
6113 * tree.h (build_int_2): Likewise.
6114 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
6115 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
6116 (init_emit): Change cast to unsigned char*.
6117 * varasm.c (compare_constant_1): Add cast to char*.
6118 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
6119 * reload1.c (reload): Likewise.
6121 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
6123 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
6125 * predict.c (estimate_probability): If no prediction was found, then
6126 predict the successor that is the next physical block (if such a
6129 2000-05-04 Richard Henderson <rth@cygnus.com>
6131 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
6133 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6135 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
6137 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
6139 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
6140 attribute macros from here ...
6141 (CPP_SPEC): to here.
6142 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
6143 (CPP_SPEC): Likewise.
6144 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
6146 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
6147 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
6149 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6151 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
6153 * diagnostic (vbuild_message_string, build_message_string,
6154 build_location_prefix, output_get_prefix, init_output_buffer,
6155 output_notice, vline_wrapper_message_with_location,
6156 v_message_with_decl, default_print_error_function): De-constify.
6157 (set_real_maximum_length): Prototype.
6159 * diagnostic.h (struct output_buffer, init_output_buffer,
6160 output_get_prefix, output_set_prefix): De-constify.
6162 * function.c (init_function_start): Constify.
6164 * gensupport.c (remove_constraints, process_rtx): Prototype.
6166 * gthr-posix.h: Indent uses of #pragma.
6168 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
6171 * predict.c (find_expected_value): Delete prototype.
6172 (expected_value_to_br_prob): Initialize variable `ev_reg'.
6174 * sbitmap.h (debug_sbitmap): Prototype.
6176 * ssa.c (compute_coalesced_reg_partition): Prototype.
6178 * stor-layout.c (debug_rli): Prototype.
6180 * tree.h (round_down): Prototype.
6181 (init_function_start): Constify.
6183 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
6185 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
6186 (overly conservative). Change extern inline wrappers to
6187 static inline, define them always, use PARAMS properly.
6188 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
6189 whitespace warnings for \f and \v at the beginning of a line.
6191 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
6193 * haifa-sched.c (schedule_insns): Free the flow edge list when it
6196 2000-05-04 Bruce Korb <bkorb@gnu.org>
6198 * fixincl/inclhack.def: added broken_cabs -
6199 Remove `extern double cabs' declarations from math.h
6200 * fixincl/inclhack.sh: regen
6201 * fixincl/fixincl.x: regen
6202 * fixincl/fixincl.c: Remove BOGOSITY code
6203 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
6205 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6207 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
6209 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
6210 when calling MEM_COPY_ATTRIBUTES.
6211 * emit-rtl.c (operand_subword, change_address): Likewise.
6212 * explow.c (stabilize): Likewise.
6213 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
6214 * integrate.c (copy_rtx_and_substitute): Likewise.
6215 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
6216 when calling MEM_COPY_ATTRIBUTES.
6217 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
6219 * cse.c (gen_lowpart_if_possible): Likewise.
6220 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
6221 * optabs.c (gen_move_insn): Likewise.
6222 * recog.c (validate_replace_rtx_1): Likewise.
6223 * simplify-rtx.c (add_mem_for_addr): Likewise.
6224 * stmt.c (expand_anon_union_decl): Likewise.
6225 * config/arm/arm.md: Likewise.
6226 * config/h8300/h7300.c (fix_bit_operand): Likewise.
6227 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
6228 (block_move_no_loop, block_move_sequence): Likewise.
6229 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
6230 * config/alpha/alpha.c (get_aligned_mem): Likewise.
6231 Clear MEM_ALIAS_SET.
6232 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
6233 MEM_COPY_ATTRIBUTES.
6235 2000-05-03 Robert Lipe <robertlipe@usa.net>
6237 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
6238 to suppress libgcc1.
6239 (i[34567]86-*-sco3.2v5*) Likewise.
6240 (i[34567]86-*-sco3.2v4*) Likewise.
6241 (i[34567]86-*-sco) Likewise.
6242 (i[34567]86-*-solaris2) Likewise.
6243 (i[34567]86-*-sysv5*) Likewise.
6244 (i[34567]86-*-sysv4*) Likewise.
6245 (i[34567]86-*-udk*) Likewise.
6246 (i[34567]86-*-sysv*) Likewise.
6248 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6250 * cpphash.h (U): New define, to correct type of string constants.
6251 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
6252 routines, to do casts when passing unsigned strings to libc.
6253 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
6255 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
6256 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
6257 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
6258 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
6259 second argument an U_CHAR *.
6261 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
6262 length field, clean up initializer.
6263 (ISTABLE): Add __extension__ to designated-
6264 initializers version.
6265 * cpplex.c (CHARTAB): Likewise.
6267 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
6268 case so the file won't be empty.
6270 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
6272 * bb-reorder.c (struct reorder_block_def): Member succ removed.
6273 (REORDER_BLOCK_SUCC): Removed.
6274 (enum reorder_skip_type): Removed.
6275 (skip_insns_between_block): Renamed to skip_insns_after_block.
6276 Removed second argument. Removed dead code and cleaned up.
6277 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
6278 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
6279 second parameter to skip_insns_after_block.
6281 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6283 * tree.c (staticp, case LABEL_DECL): New case.
6285 2000-05-03 Richard Henderson <rth@cygnus.com>
6287 * Makefile.in (start.encap): Do not depend on LIBGCC1.
6289 * mklibgcc1.in: Fix typo last change.
6291 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6293 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
6294 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
6295 (GCC_CFLAGS): Use it.
6296 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
6297 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
6298 objc/Make-lang.in: Use it.
6300 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
6302 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
6304 2000-05-03 Richard Henderson <rth@cygnus.com>
6306 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
6307 LIBGCC1 empty with libgcc1.null.
6309 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
6311 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
6314 2000-05-03 Greg McGary <gkm@gnu.org>
6316 * tree.h (tree_common): Add bounded_flag member. Remove
6317 inaccurate comment about number of remaining bits.
6318 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
6319 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
6320 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
6321 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
6322 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
6323 (TYPE_QUAL_BOUNDED): New constant.
6324 (TYPE_QUALS): Handle bounded qualifier.
6325 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
6326 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
6327 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
6328 TYPE_AMBIENT_BOUNDEDNESS): New macros.
6329 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
6330 (tree_type): Add pointer_depth member. Remove
6331 inaccurate comment about number of remaining bits.
6332 (DECL_POINTER_DEPTH): Add macro.
6333 (tree_decl): Add pointer_depth member.
6335 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
6337 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
6338 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
6339 (lshrhi3_out): Likewise.
6340 (ashrsi3_out): bugfix in shift by 8.
6341 (test_hard_reg_class): New function.
6342 * config/avr/avr.md: Bugfix inside conditions in peepholes.
6343 (ashlhi3): removed define_expand of this pattern.
6344 (*ashlhi3_insn): renamed to ashlhi3.
6345 (ashlsi3): removed define_expand of this pattern.
6346 (*ashlsi3_insn): renamed to ashlsi3.
6347 (ashrqi3): removed define_expand of this pattern.
6348 (*ashrqi3_insn): renamed to ashrqi3.
6349 (ashrhi3): removed define_expand of this pattern.
6350 (*ashrhi3_insn): renamed to ashrhi3.
6351 (ashrsi3): removed define_expand of this pattern.
6352 (*ashrsi3_insn): renamed to ashrsi3.
6353 (lshrhi3): removed define_expand of this pattern.
6354 (*lshrhi3_insn): renamed to lshrhi3.
6355 (lshrsi3): removed define_expand of this pattern.
6356 (*lshrsi3_insn): renamed to lshrsi3.
6358 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
6360 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
6361 inclusion of "system.h".
6363 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
6365 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
6368 2000-05-03 David Mosberger <davidm@hpl.hp.com>
6370 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
6371 if -mauto-pic is on.
6372 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
6373 -mconstant-gp is in effect and function-descriptors are being used
6374 to make indirect calls.
6375 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
6376 (MASK_AUTO_PIC): Ditto.
6377 (TARGET_CONST_GP): Ditto.
6378 (TARGET_AUTO_PIC): Ditto.
6379 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
6380 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
6381 -mno-pic is in effect.
6382 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
6383 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
6384 -mauto-pic is in effect.
6385 (gprel64_offset): New pattern.
6386 (load_gprel64): Ditto.
6387 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
6388 -mconstant-gp is in effect, no need to preserve gp around direct
6390 (call_value): Ditto.
6391 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
6392 (FUNCTION_PROFILER): Define.
6393 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
6394 @fptr() directive when -mno-pic or -mauto-pic is in effect.
6395 (ASM_OUTPUT_DESTRUCTOR): Ditto.
6397 2000-05-03 Richard Henderson <rth@cygnus.com>
6399 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
6400 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
6401 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
6402 (mklibgcc, libgcc.mk): New targets.
6403 (libgcc.a): Use libgcc.mk.
6404 (stmp-multilib): Likewise.
6405 (stmp-multilib-sub): Remove.
6406 (mostlyclean): Don't delete libgcc2 temp files.
6407 * configure.in (AC_PROG_CC_C_O): Add.
6408 (NO_MINUS_C_MINUS_O): Substitute it.
6409 (all_outputs): Add mklibgcc.
6410 * mklibgcc.in: New file.
6412 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6414 * cppexp.c (op_t): Make an int.
6416 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
6418 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
6420 * gensupport.c (process_rtx): Fix macros used.
6422 2000-05-03 Richard Henderson <rth@cygnus.com>
6424 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
6425 call-clobbered registers of a call.
6427 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6429 * gensupport.c: New file.
6430 * gensupport.h: New file.
6431 * Makefile.in (HOST_RTL): Depend on gensupport.
6432 (gensupport.o) New rule.
6433 * genattr.c: Use gensupport for reading .md files.
6434 * genattrtab.c: Ditto.
6435 * gencodes.c: Ditto.
6436 * genconfig.c: Ditto.
6438 * genextract.c: Ditto.
6439 * genflags.c: Ditto.
6440 * genopinit.c: Ditto.
6441 * genoutput.c: Ditto.
6443 * genrecog.c: Ditto.
6444 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
6445 * md.texi (Insn Splitting): Document define_insn_and_split.
6447 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
6449 * flow.c (verify_flow_info): Added two more sanity checks. The
6450 first checks that the blocks are numbered consecutively. The second
6451 checks that n_basic_blocks is actually equal to the number of
6452 basic blocks in the insn chain.
6454 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6456 * cpplib.h: Add accessor macros for token lists.
6457 * cpplib.c, cpphash.c, cpplex.c: Use them.
6459 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6461 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
6462 memory usage if not in a function.
6463 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
6464 return address if static.
6466 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
6468 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
6469 whether address may trap.
6471 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
6473 * bb-reorder (chain_reorder_blocks): Changed code to test for
6474 EDGE_FALLTHRU rather than making erroneous assumption that the
6475 first outgoing edge is the fall-through edge.
6477 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
6479 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
6480 ABI for varargs, across all MIPS. This is incompatible because the
6481 va_list (__builtin_va_list) structure is different, so a compilation
6482 unit passing a va_list and a compilation unit being passed one, should
6483 both be compiled with the same ABI. (The old structure had two
6484 pointers, now it has three.)
6486 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
6488 * bb-reorder.c (struct reorder_block_def): Remove members end,
6489 block_begin, and block_end.
6490 (REORDER_BLOCK_OLD_END): Delete.
6491 (REORDER_BLOCK_BEGIN): Delete.
6492 (REORDER_BLOCK_END): Delete.
6493 (chain_reorder_blocks): Remove dead code.
6495 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
6497 * bb-reorder.c (remove_scope_notes): Check for both types of scope
6498 notes as the end of a basic block before deleting.
6500 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
6502 * final.c (final_start_function): Fix spelling of "necessary".
6504 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
6506 * toplev.c (debug_ignore_block): Return int.
6507 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
6508 * toplev.h, dwarf2out.h: Adjust.
6509 * emit-rtl.c (remove_unnecessary_notes): Test return value.
6511 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
6512 * toplev.c, final.c, rtl.h: Adjust.
6514 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6516 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
6517 * configure.in: Look for makeinfo in the unified tree, then
6518 for a system makeinfo which is sufficiently new.
6519 * Makefile.in: If configure says makeinfo is too old, don't
6520 build or install Info documentation.
6522 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6524 * cpphash.c (collect_params): Fix off-by-one error.
6525 (dump_hash_helper): Dump all four macro nodetypes.
6527 2000-05-02 Jakub Jelinek <jakub@redhat.com>
6529 * cpphash.c (trad_stringify): Adjust p after stringification as
6532 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6534 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
6535 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
6537 * cppfiles.c (file_cleanup): Delete.
6538 * cpphash.c (macro_cleanup): Delete.
6539 (collect_objlike_expansion, collect_funlike_expansion,
6540 macarg, scan_arguments): Remove CPP_POP case.
6542 * cpplex.c (null_cleanup): Delete.
6543 (cpp_pop_buffer): Do the work that was done in the cleanups
6544 here. Call _cpp_unwind_if_stack from here.
6545 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
6546 cpp_scan_buffer): Run until we see CPP_EOF and the top of
6547 stack is the buffer _below_ the one we stacked.
6548 (cpp_get_token): Always pop an exhausted buffer. Return
6549 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
6550 * cpplib.c (skip_if_group): Don't call cpp_get_token to
6551 increment the line number.
6552 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
6554 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
6555 we see CPP_EOF and the top of stack is the buffer _below_ the
6557 * scan-decls.c: Likewise.
6559 2000-05-02 Andrew Haley <aph@cygnus.com>
6561 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
6562 where this function is called for the second time on a decl that
6563 has had its section info changed in such a way as to move it out
6565 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
6567 2000-05-01 Richard Henderson <rth@cygnus.com>
6569 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
6570 the sequence we're moving, not to merge_bb->head.
6572 2000-05-01 Richard Henderson <rth@cygnus.com>
6574 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
6575 reference to alpha/t-linux.
6576 (alpha*-*-linux-gnu*): Likewise.
6577 * configure: Rebuild.
6579 * calls.c (expand_call): Don't emit reg notes for a sibcall.
6581 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
6584 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
6586 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
6588 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
6591 2000-05-01 Richard Henderson <rth@cygnus.com>
6593 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
6594 emit_conditional_move.
6596 2000-05-01 Jakub Jelinek <jakub@redhat.com>
6598 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
6599 as the dynamic linker.
6601 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
6603 * cppfiles.c (open_include_file): Open file in blocking mode.
6604 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
6605 Only exclude block devices and directories.
6607 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
6608 static. Allocate the hashnode and its string in the same
6610 (del_HASHNODE): Don't free h->name.
6611 (_cpp_lookup): If there is no entry for this string, create
6612 one, of type T_VOID.
6613 (_cpp_lookup_slot): Delete.
6614 * cpphash.h: Update prototypes.
6616 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
6618 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
6619 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
6620 node here, just fill in the value field properly. "Delete"
6621 entries by setting the value field to T_VOID. Check for
6622 hp->type == T_VOID, not hp == NULL.
6624 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
6625 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
6628 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
6630 * config/mn10300/mn10300.c (print_operand_address): Do not add
6633 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
6634 adjusted by less than 256 bytes, use ret regardless of having any
6635 callee-saved register to restore.
6637 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
6639 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
6641 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
6643 * config/i386/djgpp.h (INT_ASM_OP): Define.
6644 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
6645 (ASM_WEAKEN_LABEL): Define.
6646 (MASK_BNU210): Define.
6647 (SUBTARGET_SWITCHES): Define.
6648 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
6649 (MAKE_DECL_ONE_ONLY): Define.
6650 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
6652 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
6654 * i386/cygwin.h (INT_ASM_OP): Define.
6656 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
6658 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
6659 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
6661 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
6663 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
6664 __tmp_reg__ and __zero_reg__ initialization.
6666 2000-04-30 Richard Henderson <rth@cygnus.com>
6668 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
6670 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
6671 referenced bewteen the condition and the jump. Don't delete
6672 anything but the jump.
6674 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
6676 * bb-reorder.c (scope_def): New struct.
6677 (scope_forest_info): New struct.
6678 (struct reorder_block_def): New member "scope".
6679 (REORDER_BLOCK_SCOPE): New macro.
6680 (relate_bbs_with_scopes): New function and prototype.
6681 (make_new_scope): Likewise.
6682 (build_scope_forest): Likewise.
6683 (remove_scope_notes): Likewise.
6684 (insert_intra_1): Likewise.
6685 (insert_intra_bb_scope_notes): Likewise.
6686 (insert_inter_bb_scope_notes): Likewise.
6687 (rebuild_scope_notes): Likewise.
6688 (free_scope_forest_1): Likewise.
6689 (free_scope_forest): Likewise.
6690 (dump_scope_forest): Likewise.
6691 (dump_scope_forest_1): Likewise.
6692 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
6693 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
6695 (reorder_basic_blocks): Added calls to build_scope_scope_forest
6696 and remove_scope_notes before reordering is done. Added calls to
6697 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
6698 after reordering is done.
6700 2000-40-30 Bruce Korb <bkorb@gnu.org>
6702 * fixinc/inclhack.def: Added definitions needed by OSR5,
6703 removed two stale entries (defined away with OLD_CPP).
6704 * fixinc/inclhack.sh: regen
6705 * fixinc/fixincl.x: regen
6707 2000-04-30 Richard Henderson <rth@cygnus.com>
6709 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
6710 from the last insn in the sequence.
6712 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
6714 * cpplex.c (cpp_idcmp): New function.
6715 * cpplib.h: Prototype it.
6716 * scan_decls.c (scan_decls): Use it to inspect token names.
6717 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
6718 the file being run through the preprocessor.
6719 (check_macro_names): Provide length of token to cpp_defined.
6721 * Makefile.in: Remove stale warning message.
6723 * cppfiles.c (redundant_include_p): Provide length of token to
6725 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
6726 values are unsigned int.
6727 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
6728 (_cpp_lookup_slot): Do not calculate the hash, either.
6729 * cpphash.h: Update prototypes.
6730 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
6731 Hashes are unsigned int. Calculate hash here, pass by value
6732 to _cpp_lookup_slot.
6734 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
6736 * simplify-rtx.c (check_value_useless): Delete function.
6737 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
6739 (cselib_invalidate_regno): Likewise.
6740 (cselib_invalidate_mem_1): Likewise.
6741 (references_value_p): Recognize useless values by the fact that they
6743 (discard_useless_values): Likewise.
6744 (cselib_record_set): This may turn a useless value
6747 2000-04-30 Richard Henderson <rth@cygnus.com>
6749 * config/d30v: New port.
6751 * configure.in (d30v-*): Set fp format.
6752 * configure: Rebuild.
6754 2000-04-30 Richard Henderson <rth@cygnus.com>
6756 * ifcvt.c: New file.
6757 * Makefile.in (OBJS): Add it.
6758 (ifcvt.o): New target.
6759 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
6760 and conditional arithmetic.
6761 (find_insert_position): Remove.
6762 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
6763 * toplev.c (DFI_ce, DFI_ce2): New.
6764 (dump_file): Add ce and ce2 dumps.
6765 (rest_of_compilation): Run if_convert a couple o times. Set
6766 cse_not_expected after cse2. Don't set no_new_pseudos until
6767 after sched1 or recompute_reg_usage.
6769 2000-04-30 Richard Henderson <rth@cygnus.com>
6771 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
6772 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
6774 2000-04-30 Richard Henderson <rth@cygnus.com>
6776 * flow.c (struct reg_cond_life_info): New.
6777 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
6778 (init_propagate_block_info): Initialize them.
6779 (free_propagate_block_info): Destruct them.
6780 (mark_set_1): Consider conditional life before killing a register.
6781 (mark_regno_cond_dead): New.
6782 (free_reg_cond_life_info): New.
6783 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
6784 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
6785 (mark_used_reg): Record conditional life.
6787 * haifa-sched.c (schedule_insns): Disable death counting
6788 sanity check for HAVE_conditional_execution.
6790 2000-04-30 Richard Henderson <rth@cygnus.com>
6792 * Makefile.in (TIMEVAR_H): New.
6793 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
6794 (timevar.h): Remove rule.
6796 2000-04-29 Richard Henderson <rth@cygnus.com>
6798 * config/alpha/crtend.asm: Use C comments instead of #.
6799 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
6801 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
6803 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
6805 * cpphash.h (enum node_type: Take out T_MCONST.
6806 (union hashval): Move into struct hashnode.
6807 (struct hashnode): Pack tighter. Remove file, line, col
6809 * cpphash.c: Constify most of the macro-definition structures.
6810 (struct definition): Replace by struct object_defn
6811 and struct funct_defn. Put file, line, column information
6812 here. All users updated to match.
6813 (_cpp_create_definition, _cpp_macroexpand): Remove special
6814 case for #define WORD OTHERWORD.
6815 * cpplib.c (do_undef): Remove T_MCONST case.
6817 * cpphash.h: Move struct reflist, struct definition, and the
6818 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
6819 union hashval. _cpp_free_definition takes a HASHNODE pointer.
6820 * cpphash.c (_cpp_free_definition): Free data pointed to by
6821 MCONST, XCONST, MACRO, and FMACRO nodes properly.
6822 (_cpp_create_definition, del_HASHNODE): Just call
6823 _cpp_free_definition to clear out a hashnode.
6824 * cpplib.c (do_pragma_poison): Likewise.
6826 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6828 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
6829 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
6830 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
6831 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
6832 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
6833 REGNO_AM33_P): Redefine in terms of the new macros.
6834 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
6835 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6836 STRUCT_VALUE): Likewise.
6837 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6838 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
6840 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
6842 * regmove.c (struct record_stack_memrefs_data): New.
6843 (record_stack_memrefs): New function.
6844 (combine_stack_adjustments_for_block): Use it.
6846 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
6848 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
6849 use special_function_p to detect alloca.
6851 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
6853 * gcc.texi: Fixes for makeinfo 4.0 --html.
6855 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
6857 * pcp.h: Delete file.
6859 2000-04-28 Kazu Hirata <kazu@hxi.com>
6861 * h8300.c (function_epilogue): Clean up flags when the last insn
6862 in a function is a barrier.
6864 2000-04-28 Chris Demetriou <cgd@sibyte.com>
6866 * configure.in (sparc-hal-solaris2*): protect [] glob from
6868 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
6869 rather than hard-coded constants in target_cpu_default2.
6870 * configure: Regenerate.
6872 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6874 * tree.c (get_callee_fndecl): Extract the initial value from
6877 2000-04-28 Richard Henderson <rth@cygnus.com>
6879 * varasm.c (record_constant_1): Record the CODE_LABEL when
6880 taking the address of a LABEL_REF.
6882 2000-04-28 Richard Henderson <rth@cygnus.com>
6883 Jan Hubicka <jh@suse.cz>
6885 * calls.c (combine_pending_stack_adjustment_and_call): Return the
6886 adjustment; don't do the stack adjust.
6887 (expand_call): Call compute_argument_block_size right before
6888 allocating the block; update comment; don't do alignment sanity
6889 checking for sibling call; use args_size instead of
6890 unadjusted_args_size before args_size is adjusted. Use
6891 combine_pending_stack_adjustment_and_call to compute stack adjust
6892 for must_preallocate case.
6894 * expr.c (push_block): Remove shadow `temp' in inner scope.
6896 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6898 * toplev.c (rest_of_compilation): Call
6899 note_deferral_of_defined_inline_function even if the function
6902 2000-04-28 Scott Bambrough <scottb@netwinder.org>
6904 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
6906 2000-04-28 Richard Henderson <rth@cygnus.com>
6908 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
6910 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6912 * timevar.c (init_timevar): DeANSIfy function definition.
6914 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6916 * Makefile.in (timevar.o): Depend on flags.h.
6917 * timevar.c (unused_stack_instances): New variable.
6918 (timevar_push): Take a timevar_stack_def from
6919 unused_stack_instances if available.
6920 (timevar_pop): Push the popped timevar_stack_def onto
6921 unused_stack_instances.
6922 (TIMEVAR_ENABLE): New macro.
6923 (timevar_def): Make standalone a 1-bit field. Add field used.
6924 (get_time): Rename parameter to now. Return after clearing it if
6926 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
6927 (timevar_pop): Likewise.
6928 (timevar_stop): Likewise.
6929 (timevar_push): Likewise. Mark the timing variable as used.
6930 (timevar_start): Likewise.
6931 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
6932 timevars that were never used.
6934 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6936 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
6937 always TREE_READONLY.
6939 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
6941 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
6942 for call instruction with mode QImode.
6944 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6946 * Makefile.in (OBJS): Add timevar.o.
6947 (toplev.o): Depend on timevar.h.
6948 (ggc-simple.o): Likewise.
6949 (ggc-page.o): Likewise.
6950 (timevar.o): New rule.
6951 (timevar.h): New rule.
6953 * timevar.h: New file.
6954 * timevar.c: Likewise.
6955 * timevar.def: Likewise.
6957 * toplev.h (gc_time, parse_time, varconst_time): Remove.
6958 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
6960 (TIMEVAR): Remove macro.
6961 (gc_time, parse_time, varconst_time, integration_time, jump_time,
6962 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
6963 flow_time, combine_time, regmove_time, sched_time,
6964 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
6965 sched2_time, dbr_sched_time, reorder_blocks_time,
6966 rename_registers_time, shorten_branch_time, stack_reg_time,
6967 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
6969 (compile_file): Don't initialize time variables. Call
6970 init_timevar and start TV_TOTAL timer. Call timevar_print instead
6971 of many calls to print_time.
6972 (rest_of_compilation): Add timing for reload_cse_regs.
6973 (get_run_time): Removed to timevar.c.
6974 (print_time): Likewise.
6975 (get_run_time): Implement using TV_TOTAL time variable.
6976 (print_time): Get total run time from get_run_time.
6977 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
6978 computing elapsed time explicitly.
6979 * ggc-simple.c (ggc_collect): Likewise.
6980 (gc_time): Remove declaration.
6982 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6984 * calls.c (combine_pending_stack_adjustment_and_call): New function.
6985 (expand_call): Use it.
6987 2000-04-27 Jan Hubicka <jh@suse.cz>
6989 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
6992 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6994 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
6997 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
6999 * function.c (epilogue_done): Pass whole insn to record_insns.
7001 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
7003 * cse.c (CSE_ADDRESS_COST): Remove.
7004 (find_best_addr): Add new parameter "MODE", use address_cost instead
7006 (address_cost): New.
7007 (fold_rtx): Update call of find_best_addr.
7008 * rtl.h (address_cost): Declare.
7009 * loop.c (general_induction_var): Add new parameter "MODE", use
7010 address_cost instead of ADDRESS_COST
7011 (init_loop): Use address_cost instead of ADDRESS_COST.
7012 (check_insn_for_givs): Update call of general_induction_var.
7013 (find_mem_givs): Likewise.
7014 (consec_sets_giv): Likewise.
7015 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
7016 * i386.c (ix86_address_cost): New.
7017 * i386-protos.h (ix86_address_cost): Declare.
7019 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
7021 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
7024 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
7026 * expr.c (store_expr): Use clear_storage instead of direct memset
7029 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
7031 * config/mn10300/mn10300.c (mn10300_address_cost): Test
7032 ASHIFT, AND and LABEL_REF.
7034 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
7036 * invoke.texi (-foptimize-sibling-calls): Fix.
7038 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
7040 * loop.c (load_mems) Don't use hard registers for the hoisting.
7042 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
7043 calculation; rename const_equiv array in the preconditioning code
7044 from loop_unroll to loop_unroll_precondition
7046 2000-04-27 Richard Henderson <rth@cygnus.com>
7048 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
7050 (propagate_one_insn): Clear it. Don't update reg_live here.
7051 (init_propagate_block_info): Update for pbi member changes.
7052 (free_propagate_block_info): Likewise.
7053 (mark_set_1): Know that zero_extract, sign_extract, and
7054 strict_low_part don't kill their argument. Alter hard subregs.
7055 Update new_set for non-CLOBBER sets. Update reg_live.
7056 (find_auto_inc): Update reg_live, not new_dead.
7057 (mark_used_reg): Update reg_live, not new_live. Examine new_set
7058 to determine if the reg in question was set this insn. Only update
7059 reg info with PROP_REG_INFO.
7061 2000-04-26 Richard Henderson <rth@cygnus.com>
7063 * flow.c (allocate_reg_life_data): Set max_regno here ...
7064 (life_analysis): ... not here.
7066 * flow.c (calculate_global_regs_live): Force stack pointer
7069 2000-04-26 Richard Henderson <rth@cygnus.com>
7071 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
7072 commit change group changes.
7073 (invert_exp_1): Similarly.
7074 (redirect_exp, invert_exp): Use them.
7075 (redirect_jump_1): New.
7076 (invert_jump_1): New.
7077 (jump_optimize_1): Remove code subsumed by condexec.c.
7078 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
7080 2000-04-26 Richard Henderson <rth@cygnus.com>
7082 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
7084 * genconfig.c (main): Set all HAVE_foo to 1.
7086 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
7088 2000-04-26 Alex Samuel <samuel@codesourcery.com>
7090 * invoke.texi: Document -fssa flag.
7092 2000-04-26 Richard Henderson <rth@cygnus.com>
7094 * flow.c (count_reg_sets_1): Remove.
7095 (count_reg_sets, count_reg_references): Remove.
7096 (recompute_reg_usage): Implement with update_life_info.
7097 Reallocate life data.
7099 2000-04-26 Richard Henderson <rth@cygnus.com>
7101 * flow.c (update_life_info): Consider blocks null to mean the
7103 (calculate_global_regs_live): Likewise.
7104 (life_analysis): Do that instead of collecting all_blocks.
7106 2000-04-26 Richard Henderson <rth@cygnus.com>
7108 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
7109 a still-valid conditional jump.
7111 2000-04-26 Richard Henderson <rth@cygnus.com>
7113 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
7115 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
7116 * flow.c (calculate_loop_depth): Remove.
7117 * output.h (calculate_loop_depth): Don't declare.
7118 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
7119 inline; run estimate_probability at the same time.
7121 2000-04-26 Neil Booth <NeilB@earthling.net>
7123 * cpplib.h: "~=" is not a single pp-token.
7124 * cpplex.c: Correct commentary.
7126 2000-04-26 Richard Henderson <rth@cygnus.com>
7128 * flow.c (mark_set_1): New arguments code and flags; update all
7129 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
7130 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
7131 loop_depth when optimizing for size. Do new_dead update after
7132 emitting REG_UNUSED notes. Merge mark_set_reg code.
7133 (mark_set_reg): Remove.
7134 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
7135 arrange to not emit REG_UNUSED notes.
7137 2000-04-26 Richard Henderson <rth@cygnus.com>
7139 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
7140 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
7142 2000-04-26 Richard Henderson <rth@cygnus.com>
7144 * flow.c (propagate_one_insn): Break out from propagate_block.
7145 (init_propagate_block_info): Likewise.
7146 (free_propagate_block_info): Likewise.
7147 (propagate_block): Use them. Export.
7148 * basic-block.h: Declare them all.
7150 2000-04-26 Richard Henderson <rth@cygnus.com>
7152 * basic-block.h (life_analysis): Declare here ...
7153 * output.h: ... not here.
7154 * flow.c (life_analysis): Remove nregs parameter; replace
7155 remove_dead_code with flags. Remove ssa dead code check.
7156 Only init alias analysis if we'll use it.
7157 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
7158 * ssa.c (convert_to_ssa): Likewise.
7159 (convert_from_ssa): Likewise.
7160 * toplev.c (rest_of_compilation): Likewise.
7162 2000-04-26 Richard Henderson <rth@cygnus.com>
7164 * flow.c (flow_delete_block): Rename from delete_block. Export.
7165 * basic-block.h (flow_delete_block): Declare.
7167 2000-04-26 David S. Miller <davem@redhat.com>
7169 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
7170 taking a PATTERN of it.
7172 2000-04-26 <NeilB@earthling.net>
7174 * cpplex.c (spell_other, spell_char): Remove.
7176 (token_spelling, trigraph_map): Use unsigned chars.
7177 (_cpp_lex_line): Tidy up the switch statement.
7178 * cpplib.h: Implement spell_char with spell_string.
7181 2000-04-26 <RodneyBrown@pmsc.com>
7183 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
7184 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
7186 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7188 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
7189 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
7190 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
7191 dwarf2out_return_save, dwarf2out_return_reg,
7192 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
7193 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
7194 gen_compile_unit_die, dwarf2out_init): Constify a char*.
7196 * dwarf2out.h (dwarf2out_init): Likewise.
7198 * dwarfout.c (filename_entry, primary_filename, last_filename,
7199 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
7201 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
7202 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
7203 dwarf2out_return_reg): Likewise.
7205 2000-04-26 Andreas Jaeger <aj@suse.de>
7207 * extend.texi (Function Attributes): Fix description of pure
7210 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
7212 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
7213 before calling rest_of_compilation.
7215 2000-04-26 Andreas Jaeger <aj@suse.de>
7217 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
7220 2000-04-25 Richard Henderson <rth@cygnus.com>
7222 * cse.c (cse_insn): Emit barrier after unconditional jump.
7224 * calls.c (expand_call): Disable tail call generation once
7225 rtx_equal_function_value_matters is false.
7227 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
7230 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
7232 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
7234 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
7236 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
7237 is the primary DIE for a member function.
7238 (gen_decl_die): Call set_decl_origin_self here.
7239 * dwarfout.c (output_decl): And here.
7240 * integrate.c (output_inline_function): Not here.
7241 Don't clear DECL_INLINE until after calling rest_of_compilation.
7242 (set_decl_origin_self): No longer static.
7243 * tree.h: Add prototype.
7244 * toplev.c (note_deferral_of_defined_inline_function): Only write
7245 out abstract instance for actual inlines.
7247 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
7249 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
7250 EXTENDED_REGS only if TARGET_AM33.
7251 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
7252 SP_REGS to register allocation and reloading unless absolutely
7254 (movsi3): Remove special-case of adding non-constants to SP.
7256 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7258 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
7259 INCLUDES to search and does not provide any of its own. Also it
7260 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
7261 parameters. Also it does not call AC_DEFINE.
7262 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
7263 AC_DEFINE and provides for automatic entries for autoheader.
7264 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
7266 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
7267 so we can pass -I flags and include gansidecl.h/system.h in this
7270 * acconfig.h: Delete all NEED_DECLARATION_* entries.
7272 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7274 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
7275 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
7276 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
7278 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
7279 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
7280 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
7281 for these macros. Clean up spacing and linewraps.
7283 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
7285 * calls.c (expand_call): Use get_callee_fndecl.
7287 * print-tree.c (print_node): Print the chain of an _EXPR.
7289 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
7290 Jim Wilson <wilson@cygnus.com>
7291 Andrew Haley <aph@cygnus.com>
7293 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
7294 and gp save/restore problems.
7295 * config/ia64/crtend.asm: Add IA-64 unwind support.
7296 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
7297 in fr_pad_size calculation.
7298 (save_restore_insns): Move PR save area. Correct uses of
7299 RTX_FRAME_RELATED_P.
7300 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
7301 (ia64_expand_epilogue): Add eh_epilogue support.
7302 (ia64_function_prologue): Emit .prologue directive.
7303 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
7304 (ia64_override_options): Set init_machine_status and
7305 mark_machine_status.
7306 (rtx_needs_barrier): Handle bsp reads and writes.
7307 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
7308 New static variables.
7309 (process_set, process_for_unwind_directive): New functions.
7310 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
7311 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
7312 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
7314 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
7315 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
7316 (struct machine_function): Define.
7317 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
7319 2000-04-25 Bruce Korb <bkorb@gnu.org>
7321 * fixinc/Makefile.in: make the removal of old programs more
7323 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
7324 install-bin and install-sh
7326 2000-04-25 Nick Clifton <nickc@cygnus.com>
7328 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
7329 defined, define to return zero.
7330 (function_cannot_inline_p): If a function has any target
7331 specific attributes, then use the macro
7332 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
7333 whether it can be inlined. If it cannot, issue a suitable
7336 * tm.texi: Add a new node 'Inlining' to document the new macro
7337 FUNCTION_ATTRIBUTE_INLINABLE_P.
7339 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
7341 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
7344 2000-04-25 Neil Booth <NeilB@earthling.net>
7346 Restore previous patch, plus the following fixes:
7348 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
7349 flags, not CPP_OPEN_PAREN.
7350 * cpplex.c (expand_token_space, init_token_list,
7351 cpp_free_token_list): Put the dummy token at list->tokens[-1].
7352 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
7354 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7356 * config/i386/freebsd.h (INT_ASM_OP): Define.
7358 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
7360 * loop.c (strength_reduce): Fix typo in the last checkin.
7362 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7364 * stor-layout.c (finalize_record_size): Simplify to use existing
7366 (compute_record_mode): No longer static.
7367 * tree.h (compute_record_mode): New declaration.
7369 2000-04-25 Neil Booth <NeilB@earthling.net>
7371 * Revert my patch below until cause of build failures
7374 2000-04-25 Richard Henderson <rth@cygnus.com>
7376 * combine.c (combine_instructions): Add missing argument
7379 * toplev.c (rest_of_compilation): Delay sibcall optimization
7380 until after emit_eh_context.
7382 2000-04-24 Nick Clifton <nickc@redhat.com>
7384 * combine.c (combine_instructions): Do not try to combine a
7385 sequence of insns when the second insn has been replaced by a
7388 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
7390 * gcc.c (load_specs): New static function.
7391 (read_specs): Use it.
7393 * gcc.c (lookup_compiler): Make multiple passes for case
7394 insensitive filesystems.
7396 2000-04-24 Neil Booth <NeilB@earthling.net>
7398 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
7399 * cpphash.h (_cpp_check_directive): new.
7400 * cpplex.c (handle_newline, cpp_free_token_list,
7401 init_trigraph_map, trigraph_ok, trigraph_replace,
7402 backslash_start, skip_block_comment, skip_line_comment,
7403 skip_whitespace, parse_name, parse_number, parse_string,
7404 copy_comment, _cpp_lex_line, spell_char, spell_string,
7405 spell_comment, spell_name, spell_other, _cpp_lex_file,
7406 _cpp_output_list): new.
7407 (expand_name_space): take length argument.
7408 (init_token_list): add comment list initialisation.
7409 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
7410 instead of HSPACE_BEFORE.
7412 * cpplib.c (_cpp_check_directive): new
7413 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
7414 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
7415 (HSPACE_BEFORE): delete.
7416 (TTYPE_TABLE): rearrange.
7417 (struct cpp_toklist): update.
7419 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7421 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
7422 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
7423 argument form of AC_DEFINE.
7425 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
7426 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
7427 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
7428 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
7429 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
7431 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
7433 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7435 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
7436 deduced.h): Use -isystem, not -I, for including system headers.
7438 2000-04-24 Nick Clifton <nickc@cygnus.com>
7440 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
7441 the source register is the frame pointer or arg pointer.
7442 (addsi3_small_int): Disallow if source register is the frame
7443 pointer or arg pointer.
7445 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7447 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
7448 call to AC_MSG_RESULT.
7450 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7452 * invoke.texi: Correct grammatical errors, document
7453 -fno-gnu-keywords as identical to -fno-asm for C++.
7455 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7457 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
7458 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
7459 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
7460 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
7461 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
7463 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
7464 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
7465 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
7466 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
7469 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
7471 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
7472 (pop_alignment): Likewise.
7473 (handle_pragma_token): Likewise.
7475 2000-04-24 Robert Lipe <robertlipe@usa.net>
7477 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
7479 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
7481 * combine.c (try_combine): Update reg_nonzero_bits of
7482 newi2pat before newpat.
7484 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
7486 * loop.c (strength_reduce): Simplify test to INSN_P.
7487 (record_giv): Attempt to simplify the add value, use CONSTANT_P
7488 expressions instead of CONST_INT.
7489 (express_from_1): Likewise.
7491 2000-04-24 Mark Mitchell <mark@codesourcery.com>
7493 * regs.h (reg_n_max): Don't declare.
7494 * flow.c (reg_n_max): Don't define.
7495 * regclass.c (renumber): Don't initialize to zero.
7496 (regno_allocated): Likewise.
7497 (reg_n_max): Define.
7498 (allocate_reg_info): Don't initialize unnecessarily.
7500 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
7502 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
7503 and blockage_p in the newly allocated attribute.
7505 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
7507 * config/mn10300/mn10300.md (addsi): `inc4' on address
7508 registers does not modify cc, but `inc' on an extended
7511 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
7513 * reload.c (find_equiv_reg): Checks all valueno regs
7514 as a reload_reg_p regs.
7516 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7518 * cpphash.c (collect_objlike_expansion): Add sanity check.
7519 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
7520 the buffer is the empty string, return. Mark __DATE__ and
7521 __TIME__ as XCONST nodes, not MCONST.
7522 (_cpp_macroexpand): Avoid pushing an empty buffer.
7523 (funlike_macroexpand): Don't pop token_buffer here.
7525 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
7527 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
7528 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
7529 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
7530 (REGNO_OK_FOR_BASE_P): Define in terms of them.
7531 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
7532 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
7533 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
7535 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7537 * loop.c (simplify_giv_expr): Be more agressive on simplifying
7540 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7542 * cpphash.h (struct definition): Move file, line, col members...
7543 (struct hashnode): ... here. Also add 'disabled' flag.
7544 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
7545 T_IDENTITY. Remove T_DISABLED.
7548 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
7549 (collect_expansion): Split into collect_objlike_expansion and
7550 collect_funlike_expansion.
7551 (_cpp_macroexpand): Split out scan_arguments, stringify, and
7552 funlike_macroexpand.
7553 (_cpp_compare_defs): Rename compare_defs, make static.
7554 (_cpp_make_hashnode): Initialize hp->disabled.
7555 (macro_cleanup): Adjust for new token types. Clear
7557 (_cpp_create_definition): Move code here to determine what
7558 sort of macro it is, and code to check for redefinitions, from
7559 do_define. Implement a few simple cases without creating a
7561 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
7562 Handle the simple cases.
7563 (push_macro_expansion): Set buf->has_escapes and hp->disabled
7566 * cppinit.c (builtin_array): Change MCONST to XCONST
7568 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
7569 fix check for disabled and function-like macros.
7570 * cpplib.c (do_define): Move most logic to
7571 _cpp_create_definition.
7572 (do_undef): Handle new special token types.
7574 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
7576 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
7577 of CONSTANT_P for mult_val; always use validate_change to update insn.
7579 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
7581 * cpphash.c (trad_stringify, add_pat): New functions.
7582 (collect_expansion): Restore support for -traditional syntax.
7583 Use trad_stringify and add_pat.
7584 (_cpp_macroexpand): Restore support for -traditional semantics.
7585 * cpplex.c (_cpp_scan_line): Don't change space_before if we
7586 get a COMMENT token.
7587 (_cpp_lex_token): Provide COMMENT tokens to caller if
7588 traditional and parsing_define_directive.
7589 (skip_comment): Warn about // comments if -Wtraditional.
7590 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
7592 (do_undef): Don't warn about undefining EMPTY nodes.
7594 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7596 * loop.c (strength_reduce): Fix biv removal code.
7598 2000-04-22 Richard Henderson <rth@cygnus.com>
7600 * predict.c (estimate_probability): Examine both sides of
7601 a branch for no exits. Use 90% not 50% for predict taken.
7602 Reorg for one copy of note generation code.
7604 2000-04-22 Richard Henderson <rth@cygnus.com>
7606 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
7608 2000-04-22 Richard Henderson <rth@cygnus.com>
7610 * diagnostic.c (init_output_buffer): Don't initialize format_args.
7611 (output_clear): Likewise.
7612 (output_printf): Use va_copy.
7613 (vline_wrapper_message_with_location): Likewise.
7614 (v_message_with_decl): Likewise.
7615 (line_wrapper_printf): VA_START infor buffer.format_args directly.
7616 * system.h (va_copy): Provide default implementation.
7618 2000-04-22 Richard Henderson <rth@cygnus.com>
7620 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
7621 the collected condition is not a constant.
7623 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
7625 * diagnostic.h: New file.
7627 * Makefile.in (diagnostic.o): Depends on diagnostic.h
7629 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
7630 various function prototypes.
7631 (diagnostic.h): #include.
7632 (struct output_buffer): Move into diagnostic.h.
7633 (get_output_prefix): Rename to output_get_prefix. Export.
7634 (init_output_buffer): Export. Break out. Ajust intialization.
7635 (output_space_left, output_append): Export.
7636 (output_newline): Rename to output_add_newline. Export.
7637 (output_clear): Nullify additional output_buffer fields.
7638 (output_puts): Rename to output_add_string. Export.
7639 (dump_output): Rename to output_flush_on. Export.
7640 (build_location_prefix): Constify return-type.
7641 (emit_output_prefix): Rename to output_emit_prefix. Export.
7642 (set_real_maximum_length): New function.
7643 (output_set_maximum_length): Ditto
7644 (output_clear): Ditto.
7645 (output_add_character): Ditto.
7646 (output_add_integer): Ditto.
7647 (output_add_space): Ditto.
7648 (output_format): Ditto.
7649 (output_printf): Adjust buffer initialization.
7650 (vline_wrapper_message_with_location): Ditto.
7651 (v_message_with_decl): Ditto. Adjust call to output_puts
7652 and get_output_prefix.
7653 (default_print_error_function): Adjust buffer intialization.
7655 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7657 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
7660 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
7662 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
7665 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
7667 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
7668 accurate data about SP moves.
7670 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
7672 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
7673 aliases to AM33 registers.
7675 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
7677 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
7678 to all EXTENDED bitmaps.
7680 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
7682 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
7683 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
7684 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
7686 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
7688 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
7689 the operand is not constant.
7691 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
7693 * reload.c (find_equiv_reg): Checks all valueno and regno regs
7694 as a call-clobbered regs.
7696 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7698 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
7700 * rtl.def: Update comment.
7701 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
7702 * integrate.c (expand_inline_function): Likewise.
7703 * profile.c (branch_prob): Likewise.
7704 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
7705 * print-rtl.c (print_rtx): Likewise.
7706 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
7707 (reemit_notes): Likewise; also use enum insn_note.
7709 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
7710 (place_field): Properly compute know and actual alignment.
7712 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
7715 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
7718 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
7720 * cpphash.c (struct arg, struct arglist): Const-ify strings.
7721 (warn_trad_stringify, duplicate_arg_p): New helper functions.
7722 (collect_expansion): Rewrite to scan over a token list.
7723 Remove -traditional support.
7724 (collect_formal_parameters): Rename to collect_params; rewrite
7725 to scan over a token list.
7726 (_cpp_create_definition): Adjust to scan a token list.
7727 (_cpp_macroexpand): Remove -traditional support.
7728 (_cpp_compare_defs): Whitespace is now canonicalized.
7729 (comp_def_part): Delete function.
7731 * cpphash.h: Update prototypes.
7732 * cpplex.c (init_token_list): Don't set lineno if there is no
7734 (pedantic_whitespace): New function.
7735 (_cpp_scan_line): Mark tokens that had hspace before. Don't
7736 consume a newline. Use pedantic_whitespace.
7737 (_cpp_lex_token): Remove support for -traditional macros.
7738 (_cpp_get_define_token): Delete.
7739 (_cpp_get_directive_token): Do the real work here. Use
7740 pedantic_whitespace.
7741 (_cpp_init_input_buffer): Initialize pfile->directbuf.
7743 * cpplib.c (get_macro_name): Delete.
7744 (do_define): Read the entire line into pfile->directbuf, then
7745 feed the token list to _cpp_create_definition.
7746 * cpplib.h (HSPACE_BEFORE): new define.
7747 (struct cpp_reader): Add a toklist member, "directbuf".
7749 * predict.c (estimate_probability): New heuristic: if a jump
7750 branches around a block with no successors, predict it taken.
7751 Disentangle control flow.
7753 2000-04-20 Richard Henderson <rth@cygnus.com>
7755 * loop.c (emit_iv_add_mult): Revert last change.
7757 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7759 * cpplib.h (enum cpp_ttype): Add token types for all
7760 punctuators. Distinguish pp-numbers from valid C numbers.
7761 Give some tokens better names. Initialize from macro.
7762 (struct cpp_name, cpp_token, cpp_toklist): New data
7765 * cpplex.c (bump_column, expand_name_space,
7766 expand_token_space, init_token_list, cpp_output_list,
7767 _cpp_scan_line): New functions.
7768 (output_line_command): Add third argument, new line number.
7769 * cpphash.h: Update prototypes.
7770 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
7773 2000-04-20 Richard Henderson <rth@cygnus.com>
7775 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
7777 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7779 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
7782 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
7784 * loop.c (emit_iv_add_mult): Simplify it's input and emit
7785 REG_EQUAL note explaining the calculated value.
7787 * calls.c (expand_call): Avoid unnecesary precalculation
7788 and outgoing parameters space guarding for sibling calls.
7789 (store_one_arg): Likewise.
7791 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7793 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
7794 (rest_of_compilation): Write sibling dump file and account
7795 for time as jump time.
7796 * invoke.texi: Update documentation on dump flags.
7798 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
7800 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
7802 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
7804 * cpphash.c (special_symbol): Represent an empty macro with
7805 "\r \r " not just "\r ".
7806 (_cpp_macroexpand): Correct condition for the foo ( ) special
7808 (unsafe_chars): Handle EOF as second argument.
7809 (push_macro_expansion): Simplify test for removing escape at
7810 end. Do not trim both escapes if there is no text in between.
7812 2000-04-19 Jim Blandy <jimb@redhat.com>
7814 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
7815 of PTR_SIZE, when appropriate.
7817 2000-04-19 Mark Mitchell <mark@codesourcery.com>
7819 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
7820 (USE_ENUM_BITFIELDS): Fix typo.
7822 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7824 * stor-layout.c (place_field): Set rli->offset_align properly.
7826 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7828 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
7829 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
7830 PARM_BOUNDARY): Remove unnecessary casts.
7832 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
7834 * calls.c (precompute_arguments): Remove must_preallocate and
7836 (expand_call): Update call of precompute_arguments.
7838 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
7839 check_insn_for_givs): Break out from ...
7840 (strength_reduce) ... here; use for_every_insn_in_loop to call
7841 check_insn_for_givs.
7842 * loop.h (for_every_insn_in_loop): Declare.
7843 (loop_insn_callback): New type.
7845 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7847 * cpplib.c (do_pragma_poison): Strings in the token buffer are
7850 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
7852 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
7855 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7857 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
7859 * configure.in: Delete --disable-cpplib option and all
7860 references to cpp_main.
7861 * configure: Regenerate.
7862 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
7863 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
7864 cccp.o, cccp, or cppmain. Link cppmain.o straight to
7865 cpp$(exeext). Add --no-headers to makeinfo command line when
7866 generating INSTALL. Install and uninstall cpp.1 manpage, not
7868 * install.texi: Delete all references to cexp.y/cexp.c.
7869 Delete ancient instructions for compiling GCC on 3b1.
7870 * INSTALL: Regenerate.
7872 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
7873 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
7874 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
7876 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
7877 which is no longer tested anywhere.
7879 * cppinit.c (handle_option): Don't run error message through
7882 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7884 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
7885 * cpperror.c (hashtab.h): Now include.
7886 * cppexp.c (hashtab.h): Likewise.
7887 * cpplex.c (hashtab.h): Likewise.
7888 * cppfiles.c (hashtab.h): Likewise.
7889 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
7890 to htab_find_slot_with_hash.
7891 * cpphash.c (hashtab.h): Now include.
7892 (_cpp_lookup_slot): INSERT is now enum insert_option.
7893 * cpphash.h (_cpp_lookup_slot): Likewise.
7894 * cppinit.c (hashtab.h): Include earlier.
7895 (initialize_builtins): Pass enum to htab_find_slot.
7896 * cpplib.c (hashtab.h): Now include.
7897 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
7898 (do_pragma_poison, do_assert): Likewise.
7899 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
7900 htab_find_slot_with_hash.
7901 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
7902 * tree.c (type_hash_add): Likewise.
7903 (build1): Minor cleanup.
7905 * ggc-common.c: Add missing blanks.
7906 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
7907 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
7909 * stmt.c (mark_case_node): New function.
7910 (mark_case_nesting): Call it.
7912 * expmed.c (emit_store_flag): If comparing two-word integer
7913 with zero, can optimize NE, EQ, GE, and LT.
7915 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
7916 * conflict.c: Minor cleanups.
7917 * optabs.c: Add blank line
7918 * simplify-rtx.c: Minor cleanups.
7920 2000-04-18 Stan Cox <scox@cygnus.com>
7922 * gengenrtl.c (genlegend): Fix misspelling.
7924 2000-04-18 Robert Lipe <robertlipe@usa.net>
7926 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
7927 bitfields of the host compiler are not signed quantities.
7928 * config.in: Regenerate.
7929 * configure: Regenerate.
7930 * system.h (USE_ENUM_BITFIELDS): Added.
7931 (ENUM_BITFIELDS): Added.
7932 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
7933 (SHORT_ENUM_BUG): Deleted.
7934 * tree.h (tree_common): Members `code', `mode', `built_in_class',
7936 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
7937 (CODE_FIELD_BUG): Likewise.
7938 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
7940 * config/m68k/x-ccur (X_CFLAGS): Likewise.
7942 2000-04-18 Mark Mitchell <mark@codesourcery.com>
7944 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
7947 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7949 * cppexp.c (lex): Don't assume tokens are NUL terminated.
7950 * cpplib.c (do_include, do_import, do_include_next,
7951 read_line_number, detect_if_not_defined): Likewise.
7952 * cpphash.c (collect_expansion): Likewise.
7953 (special_symbol, _cpp_macroexpand): Check return from
7955 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
7956 macros. Delete all uses.
7958 * gcc.dg/cpp-mi.c: Add two more test cases.
7959 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
7961 2000-04-17 Richard Henderson <rth@cygnus.com>
7963 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
7964 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
7966 2000-04-17 Mark Mitchell <mark@codesourcery.com>
7968 * function.c (expand_function_start): Use hard_function_value to
7969 compute the RTL to use for DECL_RESULT.
7971 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7973 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
7974 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7975 x86_memory_mismatch_stall): New global variables.
7976 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
7977 alloved; fix load penalties for Athlon.
7978 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7979 x86_memory_mismatch_stall): Declare.
7980 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
7981 TARGET_MEMORY_MISMATCH_STALL): New.
7982 * i386.md (athlon scheduling parameters): Fix latencies according to
7983 Athlon Optimization Manual.
7984 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
7986 (fsqrt instruction patterns): Set athlon_decode to direct.
7987 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
7988 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
7989 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
7990 and TARGET_PARTIAL_REGISTER_STALL machines.
7991 (pushdf_nointeger): New pattern.
7992 (pushdf_integer): Rename from pushdf.
7993 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
7994 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
7996 2000-04-17 Richard Henderson <rth@cygnus.com>
7998 * loop.c (canonicalize_condition): Add WANT_REG argument.
7999 Stop the search if we match it.
8000 * expr.h (canonicalize_condition): Update decl.
8001 * predict.c (expected_value_to_br_prob): Use it. Track last
8002 expected value note.
8003 (find_expected_value): Remove.
8005 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
8007 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
8009 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
8010 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
8012 * configure.in: Call AC_FUNC_MMAP_FILE.
8013 * configure: Regenerate.
8014 * config.in: Regenerate.
8016 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
8017 * fixinc/fixincl.c: Likewise.
8019 2000-04-17 Richard Henderson <rth@cygnus.com>
8021 * builtins.c (expand_builtin_expect): New.
8022 (expand_builtin): Call it.
8023 * builtins.def (BUILT_IN_EXPECT): New.
8024 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
8025 * extend.texi: Document it.
8027 * predict.c (expected_value_to_br_prob): New.
8028 (find_expected_value): New.
8029 * basic-block.h (expected_value_to_br_prob): Declare.
8030 * toplev.c (rest_of_compilation): Invoke it.
8032 * rtl.h (NOTE_EXPECTED_VALUE): New.
8033 (NOTE_INSN_EXPECTED_VALUE): New.
8034 * rtl.c (note_insn_name): Update.
8035 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
8036 cases; handle NOTE_INSN_EXPECTED_VALUE.
8038 2000-04-17 Jakub Jelinek <jakub@redhat.com>
8040 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
8041 leaf sibcall delay slot if flag_pic.
8042 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
8044 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8046 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
8048 * fixproto: If fix-header fails, exit with an error.
8050 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
8052 * cse.c (struct check_depdendence_data): New.
8053 (check_dependence): New function.
8054 (invalidate): Use check_depdenence.
8056 2000-04-16 Mark Mitchell <mark@codesourcery.com>
8058 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
8059 UNITS_PER_WORD is unsigned.
8061 * tree.h (struct tree_common): Remove misleading comment.
8063 2000-04-16 Dave Pitts <dpitts@cozx.com>
8065 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
8066 message in quotes. Otherwise, IBM's make program treats the '#' as the
8067 start of a comment and ignores the remainder of the line.
8069 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
8071 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
8072 * cexp.y (initialize_random_junk): Likewise.
8073 * cppfiles.c (find_include_file): Cast alloca return value.
8074 * cppinit.c (initialize_standard_includes): Likewise.
8075 * cpplib.c (cpp_define, cpp_undef): Likewise.
8076 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
8077 * final.c (output_asm_insn): Allow for holes in EBCDIC.
8078 * fold-const.c (CHARMASK): New.
8079 (real_hex_to_f): Use it.
8080 * real.c (CHARMASK): New.
8081 (etoasc, asctoeg): Use it.
8082 (asctoeg): EBCDIC lower case characters preceed upper case.
8084 * i370.c (mvs_add_label): Change spacing for coding conventions.
8085 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
8086 outputing case vectors.
8087 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
8088 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
8089 since vector in in the data CSECT.
8090 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
8091 * i370.md (Many patterns): Put the length in the XL directives.
8092 (movdi): Put back STM and MVC in definition.
8093 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
8094 pattern using the TCA.
8095 * oe.h (CPP_SPEC): Added to allow trigraphs.
8096 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
8097 not support the "long long" type.
8099 2000-04-16 Mark Mitchell <mark@codesourcery.com>
8101 * config/mips/mips-protos.h (mips_legitimate_address_p): New
8103 (mips_reg_mode_ok_for_base_p): Likewise.
8104 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
8105 (REG_OK_FOR_INDEX_P): Define unconditionally.
8106 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
8107 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
8108 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
8109 that GET_MODE_SIZE is unsigned.
8110 (mips_reg_mode_ok_for_base_p): Define.
8111 (mips_legitimate_address_p): Likewise. Adjust now
8112 that GET_MODE_SIZE is unsigned.
8113 (block_move_loop): Make the number of bytes unsigned.
8114 (expand_block_move): Likewise.
8115 (function_arg): Make the loop counter unsigned to match the
8118 2000-04-16 Richard Henderson <rth@cygnus.com>
8120 * rtl.h (enum insn_note): New enumeration. Subsume
8121 NOTE_INSN_DELETED and friends.
8122 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
8123 * rtl.c (note_insn_name): Tweak string order.
8125 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
8127 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
8130 * cpplex.c (output_line_command): Remove debugging prints.
8131 (cpp_output_tokens): Don't write out a zero-length buffer or
8132 try to see if it has a newline in it.
8133 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
8134 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
8135 the end of the loop. Use memmove. Don't read past the end of
8136 the buffer. Remove trailing newlines from error messages.
8138 2004-04-16 Neil Booth <NeilB@earthling.net>
8140 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
8141 * cpplib.c: Add new syntax flags to directive table, and
8144 2000-04-15 Ulrich Drepper <drepper@redhat.com>
8146 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
8149 2000-04-15 David Edelsohn <edelsohn@gnu.org>
8151 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
8152 * haifa-sched.c: Update -fsched-verbose comments to use "=".
8154 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8156 * Makefile.in (ggc-page.o): Now includes toplev.h.
8157 * ggc-page.c (toplev.h): Now included.
8158 (gc_time): Remove declaration.
8159 (ggc_collect): TIME now long.
8160 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
8162 * toplev.h (gc_time, parse_time, gc_time): New declarations.
8164 * toplev.c: Make *_time variable long to reduce chance of overflow.
8165 (TIMEVAR): Likewise for `otime'.
8166 (print_time): Arg is now long; compute percentage in FP and round.
8167 * toplev.h (print_time): Arg is long.
8169 * tree.c: Minor whitespace changes.
8171 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
8172 * configure: Rebuilt.
8173 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
8174 (__fixunsxfDI): Renamed from __fixunsxfdi.
8175 (__fixunsdfDI): Renamed from __fixunsdfdi.
8176 (__fixunssfDI): Renamed from __fixunssfdi.
8177 (__floatdisf): Use proper type in REP_BIT macro.
8178 (__fixunsxfSI): Renamed from __fixunsxfsi.
8179 (__fixunsdfSI): Renamed from __fixunsdfsi.
8180 (__fixunssfSI): Renamed from __fixunssfsi.
8181 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
8182 Change location of macros and upper-case some names as above.
8183 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
8184 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
8186 * varasm.c (assemble_variable): Add cast to remove warning.
8187 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
8189 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
8190 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
8191 region number to -1.
8193 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
8195 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
8196 call unshare_all_rtl.
8198 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
8200 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
8202 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
8203 Use .s1 not .s0 for all FP instructions.
8205 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
8207 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
8209 (safe_fwrite, output_line_command): New static functions.
8210 (cpp_expand_to_buffer): Now private to cpplib.
8211 (cpp_scan_buffer): Take a printer.
8213 * cpphash.h: Update prototypes.
8214 * cpplib.h: Update prototypes.
8216 (cpp_buffer): Remove last_nominal_fname.
8217 (cpp_reader): Remove lineno.
8219 * cppmain.c: Use a cpp_printer.
8220 * fix-header.c: No need to inhibit line commands. Call
8221 cpp_start_read with no printer.
8223 * cpperror.c (cpp_notice_from_errno): Provide default name.
8224 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
8225 (find_include_file, cpp_read_file): Use make_IHASH.
8226 (file_cleanup): Set control_macro and clear
8227 input_stack_listing_current here.
8228 (_cpp_execute_include): Don't output entering-file marker.
8229 * cpphash.c (special_symbol): Look for the line number in the
8230 buffer, not the reader.
8231 (_cpp_macroexpand): No need to disable line commands.
8232 (_cpp_dump_definition): No need to generate line commands.
8233 (dump_hash_helper): Remove excess newline from output.
8234 * cppinit.c (dump_special_to_buffer): No need to generate line
8236 (cpp_printer_init): New.
8237 (cpp_start_read): Take a printer, and start it up if it's not
8238 NULL. No need to generate line commands.
8239 (cpp_finish): Expect no buffers stacked at all. Take a
8240 printer argument, and flush the output buffer if it's not
8242 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
8243 Don't put two hashes at the beginning of an assertion.
8244 (cpp_get_token): Don't increment pfile->lineno or emit line
8245 commands here. Return EOF if there's no buffer when we get
8247 * cpplib.c (do_define, skip_if_group):
8248 No need to disable line commands.
8249 (_cpp_output_line_command): Delete function.
8250 (do_line): Don't emit line commands here, but set things up so
8251 they will be emitted if necessary. Use _cpp_fake_ihash to
8252 make unique nominal_fnames if necessary.
8253 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
8254 with 0 for column, not -1.
8255 (_cpp_handle_eof): Don't set the control macro here. Don't
8256 clear input_stack_listing_current here. Don't emit line
8259 2000-04-14 Geoff Keating <geoffk@cygnus.com>
8261 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
8262 always, use the default SVR4 start address.
8264 * config/rs6000/linux.h (LINK_SPEC): Don't define.
8265 (LINK_SHLIB_SPEC): Define.
8266 (LINK_START_DEFAULT_SPEC): Define.
8267 (LINK_OS_DEFAULT_SPEC): Define.
8269 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
8271 * config/rs6000/eabi.asm (__eabi): Call __init rather than
8272 __do_global_ctors to handle constructors.
8273 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
8274 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
8275 (STARTFILE_MVME_SPEC): Likewise.
8276 (STARTFILE_SIM_SPEC): Likewise.
8277 (ENDFILE_ADS_SPEC): Use crtend.
8278 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
8279 (ENDFILE_MVME_SPEC): Likewise.
8280 (ENDFILE_SIM_SPEC): Likewise.
8281 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
8282 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
8283 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
8284 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
8285 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
8286 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
8287 (CRTSTUFF_T_CFLAGS_S): Define.
8288 * config/rs6000/eabi-ctors.c: Delete.
8290 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
8293 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
8297 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
8299 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
8300 plus mask size is smaller or equal to the mode size.
8302 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8304 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
8307 * expr.c (reload.h): Now included.
8308 (emit_block_move): Set volatile_ok when checking for movstr.
8309 (emit_move_1): Check for replacements in addresses in multi-word case.
8310 * Makefile.in (expr.o): Now includes reload.h.
8312 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
8313 Never have a LIBCALL end a basic block.
8314 (find_basic_blocks_1): Likewise.
8315 Reorganize CALL_INSN cases.
8317 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
8319 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
8321 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
8322 completers from mov.ret instruction.
8324 2000-04-14 Richard Henderson <rth@cygnus.com>
8326 * fold-const.c (extract_muldiv): Don't distribute and widen
8327 multiply across plus for non-sizetype unsigned types.
8329 2000-04-14 Richard Henderson <rth@cygnus.com>
8331 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
8332 If the original source is dead in the incr insn, it's dead now.
8334 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8336 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
8337 see if DECL_BIT_FIELD needs to still be set.
8339 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
8341 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
8342 print_int_cst_octal with something that's not an INTEGER_CST.
8344 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
8345 and not a SUBREG to a FLOAT rtl.
8347 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
8349 * emit-rtl.c (try_split): Avoid infinite loop if the split
8350 results in a sequence that contains the original insn.
8352 2000-04-13 Andreas Jaeger <aj@suse.de>
8354 * config/mips/mips.c (expand_block_move): Pass alignment
8355 argument to move_by_pieces in bits, not bytes.
8357 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
8358 __pic__ for little endian.
8360 2000-04-13 Andreas Jaeger <aj@suse.de>
8362 * config/i386/i386-protos.h: Add prototype for
8363 uno_comparison_operator.
8365 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
8367 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
8368 * calls.c (ECF_PURE): New flag.
8369 (emit_call_1): Handle ECF_PURE calls.
8370 (initialize_argument_information): Unset ECF_PURE flag too.
8371 (precompute_arguments): Precompute for ECF_PURE too.
8372 (expand_call): Handle ECF_PURE calls too.
8373 (emit_library_call_value_1): Rename no_queue argument to fn_type,
8374 accept value of 2 as pure function.
8375 (emit_library_call_value, emit_library_call): Rename no_queue argument
8377 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
8379 * tree.h (DECL_IS_PURE): New macro.
8380 (struct tree_decl): Add pure_flag.
8381 * c-common.c (enum attrs): Add attribute "pure".
8382 (init_attributes): Initialize attribute "pure"
8383 (decl_attributes): Handle attribute "pure".
8384 * extend.texi (Attribute "pure"): Document.
8385 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
8387 (flags_from_decl_or_type): Support attribute "pure".
8389 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
8391 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
8392 the token except for numbers and identifiers.
8394 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
8396 * i386.c (ix86_expand_binary_operator,
8397 ix86_expand_unary_operator): Check no_new_pseudos
8398 instead of reload_in_progress and reload_completed.
8399 (ix86_split_ashldi, ix86_split_ashrdi,
8400 ix86_split_lshrdi): Check no_new_pseudos instead
8401 of reload_completed.
8403 2000-04-12 Jeffrey A Law (law@cygnus.com)
8405 * function.c (purge_addressof): Unshare any shared rtl created by
8406 purge_addressof and its children.
8408 2000-04-12 Mark Mitchell <mark@codesourcery.com>
8410 * function.c (aggregate_value_p): VOID_TYPE nodes are never
8413 2000-04-05 Andreas Jaeger <aj@suse.de>
8415 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
8416 not compiling PIC code, add flags for mabi=64.
8417 (SUBTARGET_CPP_SIZE_SPEC): New.
8418 (SUBTARGET_CPP_SPEC): New.
8419 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
8420 for MIPS/Linux and lots of code needs these defines.
8422 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
8424 * reorg.c (fill_slots_from_thread): Check side_effects_p when
8425 trying the "opposite arithmetic" approach.
8427 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8429 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
8430 (struct sh_args): Add new field force_mem.
8431 (INIT_CUMULATIVE_ARGS): Initialize it.
8432 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
8434 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8436 * calls.c (expand_call): Do not reverse args in "equal from" field.
8437 (emit_library_call_value_1): Emit_libcall_block for const and pure
8440 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8442 * reload1.c (reload_combine): Don't enable optimization for fixed
8443 registers when encountering a BARRIER.
8445 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
8447 * builtins.c (expand_builtin_memcmp): Do expansion even with
8448 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
8450 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
8451 stack is propertly aligned; add sanity checking for aligned
8453 (expand_library_call_value_1): Add sanity checking for aligned
8456 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
8458 * calls.c (emit_library_call_value_1): Change 3rd arg to
8459 locate_and_pad_parm to disregard the setting of partial.
8461 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8463 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
8465 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
8466 CALL_INSN from the normal case.
8468 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
8470 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8471 New global variables.
8472 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
8474 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8476 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
8477 TARGET_ADD_ESP_8): New macros.
8478 * i386.md: Add peep2s to convert esp adjustments to push and pop
8480 (pushsi_prologue, popsi_epilogue): New patterns.
8482 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8484 * real.c (toe64): Remove stale #endif from the last change.
8486 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
8488 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
8489 * real.c (toe64): Revert previous change.
8491 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8493 * objc/objc-act.c: Include ggc.h.
8494 (objc_tree_index, objc_global_trees): Convert most of the
8495 static tree variables into a static array with previous names
8497 (objc_ellipsis_node): New variable.
8498 (lang_init): Call objc_act_parse_init and c_parse_init.
8499 Create objc_ellipsis_node.
8500 (build_selector_translation_table): Use objc_ellipsis_node instead
8502 (hack_method_prototype): Likewise.
8503 (get_arg_type_list): Likewise.
8504 (start_method_def): Likewise.
8505 (continue_method_def): Likewise.
8506 (gen_method_decl): Likewise.
8507 (ggc_mark_imp_list): New function.
8508 (ggc_mark_hash_table): New function.
8509 (objc_act_parse_init): New function.
8510 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
8511 * c-parse.in (c_parse_init): For objc add roots of objc specific
8512 local tree variables.
8513 * objc/objc-parse.y: Rebuilt.
8514 * objc/objc-parse.c: Rebuilt.
8515 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
8517 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
8519 * cse.c (delete_trivially_dead_insns): Also delete insns
8520 that copy a register to itself where the destination is
8523 2000-04-11 Richard Henderson <rth@cygnus.com>
8525 * flow.c (struct propagate_block_info): Add new_dead, new_live.
8526 (propagate_block): Initialize them. Use them in parallel instead
8527 of one tmp variable, ie revert much of the 0408 and 0407 functional
8528 changes, but keep the structural changes.
8529 (mark_set_regs): Take new_dead from propagate_block_info instead.
8530 (mark_set_1, mark_set_reg): Likewise.
8531 (mark_used_regs): Likewise with new_live.
8532 (mark_used_reg): Likewise. Revert 0408 change.
8534 2000-04-11 Nick Clifton <nickc@cygnus.com>
8536 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
8538 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
8540 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8542 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
8543 const section to output a CONSTRUCTOR based on the same conditions
8546 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
8548 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
8549 * pa/pa-protos.h (output_call): Add additional argument indicating
8550 if the call is a sibling/tail call.
8551 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
8552 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
8553 (function_arg, function_arg_partial_nregs): Likewise
8554 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
8555 (emit_move_sequence): Zero extend certain constants as needed
8557 (compute_zdepdi_operands, output_64bit_and): New functions.
8558 (output_64bit_ior, function_arg): Likewise.
8559 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
8560 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
8561 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
8562 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
8563 (output_bvb): Likewise.
8564 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
8565 (output_call): New argument 'sibcall'. Generate sibcall sequences
8567 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
8568 (ouput_arg_descriptor): Do not emit argument descriptors for
8570 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
8572 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
8573 (FUNCTION_OK_FOR_SIBALL): Define.
8574 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
8575 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
8576 (CPP_SPEC): Use new spec infrastructure.
8577 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
8578 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
8579 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
8580 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
8581 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
8582 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
8583 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
8584 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
8585 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
8586 (FUNCTION_ARG); Call out to C code.
8587 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
8588 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
8589 (MIN_UNITS_PER_WORD): Likewise.
8590 * pa/pa.md (cmpdi): New expander.
8591 (scc patterns, movstrsi): Not available for TARGET_64BIT.
8592 (64bit conditional arithmetic): New patterns.
8593 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
8594 (movsicc): Not available if modes on all the operands to not match.
8595 (movdicc): New expander and associated patterns.
8596 (64bit branches): New patterns.
8597 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
8598 (pre_ldd, post_std): New patterns.
8599 (64bit addil, load low part): New patterns.
8600 (special movsf constant): Not available for TARGET_64BIT.
8601 (movsf, movdf expanders): Force constants into memory.
8602 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
8603 (64bit movdf/movdi patterns): New patterns.
8604 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
8606 (extendqidi2, extendhidi2, extendsidi2): Similarly.
8607 (adddi3 expander): Allow "arith_operand" for second input.
8608 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
8609 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
8610 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
8611 (muldi3): New expander for TARGET_64BIT.
8612 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
8614 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
8615 patterns for TARGET_64BIT.
8616 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
8617 patterns for TARGET_64BIT.
8618 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
8619 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
8620 (sibcall_epilogue): New expander.
8621 (casesi): Tweak for TARGET_64BIT.
8622 (call expanders): Set & use the outgoing argument pointer. Use the
8623 64bit call patterns as needed. Add additional arg to output_call.
8624 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
8625 (sibcall, sibcall_internal_symref): New expanders.
8626 (sibcall_value, sibcall_value_internal_symref
8627 (interspace_jump): Turn into an expander + matching patterns.
8628 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
8629 * pa/pa64-regs.h: Eliminate trigraph sequences.
8630 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
8632 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
8634 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
8635 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
8636 cpp_token with cpp_ttype everywhere.
8637 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
8638 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
8639 CPP_BUF_COL. Line and column numbers are unsigned int, not
8641 * cpplex.c (cpp_buf_line_and_col): Delete.
8642 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
8643 'long lineno' to 'unsigned int lineno'.
8644 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
8646 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8648 * extend.texi: ISO C99 is not a draft anymore.
8649 * invoke.texi: ISO C++ is not a draft anymore.
8650 * cpp.texi: __cplusplus is required by the ISO standard.
8652 * extend.texi (-fthis-is-variable): Undocument.
8653 * flags.h (warn_template_debugging): Remove declaration.
8654 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
8655 -Wenum-clash, -Wtemplate-debugging): Undocument.
8657 2000-04-10 Nick Clifton <nickc@cygnus.com>
8659 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
8661 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
8663 (ARM_SIGN_EXTEND): Use HOST_UINT.
8664 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
8665 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
8666 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
8667 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
8669 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
8670 (arm_gen_constant): Use HOST_UINT.
8671 (arm_canonicalize_constant): Use HOST_UINT.
8672 (arm_reload_in_hi): Use HOST_UINT.
8673 (arm_reload_out_hi): Use HOST_UINT.
8674 (output_multi_immediate): Use HOST_UINT.
8675 (int_log2): Use HOST_UINT.
8676 (arm_poke_function_name): Use HOST_UINT.
8677 (arm_output_epilogue): Use arm_volatile_func().
8678 (output_thumb_prologue): Use arm_strip_name_encoding().
8680 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8682 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
8683 of sequence point problems.
8685 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
8687 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
8689 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
8691 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8693 * sbitmap.h: Whitespace changes and use upper-case macro args.
8694 (struct simple_bitmap_def): All sizes now unsigned.
8695 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
8696 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
8697 (sbitmap_vector_alloc): Parms and local vars now unsigned.
8698 (sbitmap_zero): Cast bzero arg to PTR.
8699 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
8700 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
8701 loop to make structure clearer.
8702 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
8703 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
8704 (sbitmap_a_and_b_or_c): Likewise.
8705 (sbitmap_intersection_of_succs): Minor cleanups.
8706 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
8707 (sbitmap_union_of_preds): Likewise.
8708 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
8709 (debug_sbitmap): New function.
8711 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
8712 * c-typeck.c (convert_for_assignment): Likewise.
8714 * expmed.c (init_expmed): Don't free objects we make.
8715 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
8717 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
8718 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
8720 * gcse.c (expr_hash_table_size): Now unsigned.
8721 (compute_ae_gen): Local variable `i' now unsigned.
8722 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
8723 (compute_transout, hoist_code): Likewise.
8724 (compute_local_properties): Likewise, also hash_table_size.
8725 (alloc_expr_hash_table): N_INSNS now unsigned.
8726 (delete_null_pointer_checks): Mark arg F as unused.
8728 * regrename.c: Minor cleanups, including chang some variables
8731 2000-04-10 Neil Booth <NeilB@earthling.net>
8733 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
8735 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
8737 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8739 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
8740 __classof__, and __headof__ from the list of gnu keywords.
8741 (-ansi): Remove -foperator-names from list of implied options.
8742 Do not call it ANSI C++.
8743 (-foperator-names): Document as -fno-operator-names.
8745 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
8747 * cpphash.c (timestamp): Delete.
8748 (del_HASHNODE): If type is T_MCONST, free value.cpval.
8749 (special_symbol): Remove unnecessary braces. Remove
8750 T_VERSION. Treat T_STDC like T_CONST unless
8751 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
8752 when one is encountered, then convert them into T_MCONST
8754 * cppinit.c (builtin_array): version_string is T_MCONST.
8755 __STDC__ has a "1" in its cpval. Don't have a terminator
8756 entry. Clean up which entries are dumped.
8757 (initialize_builtins): Only __STDC__ gets the special
8758 -traditional treatment. Count the length of builtin_array.
8759 Render version_string here.
8760 * cpphash.h: Remove T_VERSION. Add T_MCONST.
8761 * cpplib.h (struct cpp_reader): Remove timebuf.
8763 2000-04-09 Richard Henderson <rth@cygnus.com>
8765 * genrecog.c (pred): Update comparison_operator for the unordered
8768 * config/i386/i386.c (no_comparison_operator): Disallow unordered
8770 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
8771 (uno_comparison_operator): New.
8772 (put_condition_code): Handle UNORDERED/ORDERED.
8773 (unsigned_comparison): Likewise.
8774 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
8775 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
8776 (ix86_expand_fp_compare): Use them. Take scratch as argument,
8777 update all callers. Handle all 8 unordered operators.
8778 (ix86_expand_setcc): Lose the unordered argument, update all callers.
8779 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
8780 * config/i386/i386.h (PREDICATE_CODES): Update.
8781 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
8782 (ix86_expand_branch, ix86_expand_setcc): Update.
8783 * config/i386/i386.md (sunordered, sordered): New.
8784 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
8785 (bunordered, bordered): New.
8786 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
8787 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
8788 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
8790 2000-04-09 Philip Blundell <philb@gnu.org>
8792 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
8794 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
8796 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
8797 fix_truncxfhi2): New patterns.
8798 * i386.c (output_fix_trunc): Handle converting to HImode.
8800 2000-04-08 Alex Samuel <samuel@codesourcery.com>
8802 * ssa.c (convert_to_ssa): Eliminate dead code when calling
8804 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
8805 (for_each_successor_phi): Change parameter to basic_block.
8806 (coalesce_regs_in_successor_phi_nodes): Likewise.
8807 (coalesce_regs_in_copies): Likewise.
8808 (compute_coalesced_reg_partition): Use basic_block instead of index.
8809 * rtl.h (convert_to_ssa): Delete.
8810 (convert_from_ssa): Likewise.
8811 (successor_phi_fn): Likewise.
8812 (for_each_successor_phi): Likewise.
8813 (in_ssa_form): Likewise.
8814 * basic-block.h (convert_to_ssa): Moved from rtl.h.
8815 (convert_from_ssa): Likewise.
8816 (successor_phi_fn): Likewise.
8817 (in_ssa_form): Likewise.
8818 (for_each_successor_phi): Likewise. Change parameter to basic_block.
8819 * flow.c (calculate_global_regs_live): Pass a basic_block to
8820 for_each_successor_phi.
8822 2000-04-08 Richard Henderson <rth@cygnus.com>
8824 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
8825 was modified in the current insn.
8827 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8829 * arm/thumb.md: Delete.
8830 * arm/thumb-protos.h: Delete.
8832 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8834 Merge changes from merged-arm-thumb-backend-branch onto trunk.
8836 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8838 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
8841 * arm.md (nop): Use the standard RTL expression. Don't code as a
8843 (*arm_nop, *thumb_nop): Delete.
8845 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
8846 constants. Use casts instead.
8847 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
8848 output_multi_immediate, arm_poke_function_name): Likewise.
8849 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
8850 MASK_RETURN_ADDDR): Likewise.
8852 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
8854 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
8857 * arm.md (eh_epilogue): New function.
8858 * arm.h (struct machine_function): Move to here ...
8859 * arm.c: ... from here.
8860 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
8861 (thumb_exit): Extra parameter eh_ofs. All callers changed.
8862 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
8864 2000-03-30 Nick Clifton <nickc@cygnus.com>
8866 * config/arm/semi.h (ASM_SPEC): Restore definition.
8867 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8869 * config/arm/elf.h (ASM_SPEC): Restore definition.
8870 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8872 * config/arm/arm.h (ASM_SPEC): Remove definition.
8873 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
8875 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8877 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
8879 2000-03-24 Nick Clifton <nickc@cygnus.com>
8881 Various formating tidyups, elimination of compile time
8882 warnings and synchronisation with internal sources:
8884 * config/arm/arm-protos.h (assemble_align): Add prototype.
8885 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8886 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8887 (arm_return_addr_rtx): Rename to arm_return_addr.
8889 * config/arm/arm.c: Include except.h.
8890 Define shorter typenames for strict minipool_node and struct
8892 (arm_return_in_memory): For WinCE return all structures <= 32 bits
8894 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8895 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8897 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8899 (ASM_SPEC): Define if not already defined.
8900 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
8902 * config/arm/arm.md: Rename references to gen_rotated_half_load to
8903 arm_gen_rotated_half_load, and references to gen_comapre_reg to
8904 arm_gen_compare_reg.
8905 (indirect_jump): Only accept register operands.
8906 (load_indirect_jump): Keep this pattern since combine can generate
8909 * config/arm/coff.h: Include aout.h.
8910 (MULTILIB_DEFAULTS): Only define if not already defined.
8912 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
8913 into arm.h (so that COFF ports can support thumb based aliases).
8914 (ASM_SPEC): Move definition into arm.h
8916 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
8917 redundant apcs spec.
8918 (ASM_SPEC): Move definition to arm.h
8920 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
8922 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
8923 for entries in the .bss section
8925 2000-03-23 Nick Clifton <nickc@cygnus.com>
8927 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
8928 to thumb_far_jump_used_p.
8930 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
8931 single integer parameter.
8933 * config/arm/arm.c (struct machine_function): Add two new
8934 fields, 'far_jump_used' and 'arg_pointer_live'.
8935 (thumb_far_jump_used_p): Once the decision has been made that
8936 far jumps might be used, always return true.
8937 If being called from the initial elimination offset macro then
8938 do not bother to perform the test if the arg pointer is not
8940 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
8941 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
8943 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
8945 * arm.c (output_return_instruction): Handle more cases where we can
8946 return from a function with an ldr instruction.
8947 (arm_output_epilogue): Likewise.
8949 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
8950 if we need to push a large stack frame and there are no callee-saved
8953 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
8954 in ARM code if the frame pointer has been eliminated.
8956 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
8957 unspec_volatile arguments to avoid duplicates.
8958 (consttable_1, consttable_2): Fixes for big-endian mode.
8960 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
8963 Re-write constant pool code.
8964 * arm.c (minipool_node, minipool_fix): New types.
8965 (minifix): Delete type.
8966 (arm_add_minipool_constant): Delete.
8967 (arm_compute_minipool_offsets, arm_find_barrier,
8968 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
8969 (get_jump_table_size): Now returns HOST_WIDE_INT.
8970 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
8972 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
8973 (assign_minipool_offsets, arm_print_value): Likewise.
8974 (dump_minipool): Rewrite.
8975 (arm_barrier_cost): New function.
8976 (create_fix_barrier): New function.
8977 (push_minipool_barrier): New function.
8978 (push_minipool_fix): Record additional information about the fixup
8980 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
8981 check the mode of what needs fixing.
8982 (arm_reorg): Rewrite.
8984 2000-03-08 Nick Clifton <nickc@cygnus.com>
8986 * config/arm/arm.md (indirect_jump): Force constant addresses into
8989 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
8991 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
8993 2000-02-24 Nick Clifton <nickc@cygnus.com>
8995 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
8996 adjust is word aligned.
8997 (thumb_expand_epilogue): Make sure that stack adjust is word
9000 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
9002 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
9004 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
9005 pointer relative addresses.
9007 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
9009 * arm.c (find_barrier): Find the last barrier within the allowed
9012 2000-02-09 Nick Clifton <nickc@cygnus.com>
9014 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
9016 2000-02-09 Nick Clifton <nickc@cygnus.com>
9018 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
9019 ARM_FUNCTION_PROFILER.
9021 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
9022 ARM_FUNCTION_PROFILER.
9024 * config/arm/linux-oldld.h: Imported from mainline sources.
9026 2000-02-07 Nick Clifton <nickc@cygnus.com>
9028 * config/arm/lib1funcs.asm: Merge in thumb functions from
9031 * config/arm/lib1thumb.asm: Delete.
9033 2000-02-04 Nick Clifton <nickc@cygnus.com>
9035 * config/arm/arm.c: Sychronised with current Red hat local
9037 * config/arm/arm.h: Ditto.
9038 * config/arm/arm-protos.h: Ditto.
9040 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
9042 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
9044 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
9047 2000-02-02 Nick Clifton <nickc@cygnus.com>
9049 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
9051 * config/arm/arm.md (epilogue): Fix rtl checking abort because
9052 (return) was emited using an emit_insn() call.
9054 2000-01-31 Nick Clifton <nickc@cygnus.com>
9056 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
9058 (thumb_exit): Move frame pointer back into hard frame pointer
9059 register if backtracing is being used.
9061 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
9063 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
9066 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
9068 * config/arm/arm.md (neg_pool_offset): Provide default for new
9070 (arm_movsi_insn): Add neg_pool_offset attribute.
9071 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
9072 rtx for the insn that starts the scan and an unsigned long for its
9073 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
9074 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
9075 instructions in *PINSERTED.
9076 (struct minipool_fixup): Add MIN_ADDRESS elt.
9077 (sort_fixups): Compute it.
9078 (arm_reorg): Changes to support inserting pools before the insn to be
9081 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
9083 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
9084 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
9085 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
9087 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
9089 * config/arm/semi.h (TARGET_VERSION): Do not define if already
9091 (TARGET_DEFAULT): Do not define if already defined.
9093 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
9095 * config/arm/arm.md (anddi3): Allow disjoint source operands.
9096 (iordi3): Allow disjoint source operands.
9097 (xordi3): Allow disjoint source operands.
9098 (negdi2): Permit construction for ARM and Thumb.
9099 (arm_negdi2): Renamed version of old negdi2 pattern.
9100 (thumb_negdi2): New pattern: Only permit non-overlapping
9101 source and destination.
9103 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
9105 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
9106 scratch low register so that it will not be deleted.
9108 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
9110 * config/arm/pe.h (ARM_PE): Define.
9112 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
9113 interfacearm attribute if this is a PE toolchain.
9114 (output_return_instruction): Do not emit anything if the function
9115 has the naked attribute set.
9116 (is_called_in_ARM_mode): If the function has the interfacearm
9117 attribute then return true.
9118 (thumb_expand_prologue): Do not generate a prologue for naked
9120 (thumb_expand_epilogue): Do not generate an epilogie for a naked
9122 (output_thumb_prologue): Do not bother if the function is naked.
9123 Strip PE encoding from function name before emitting.
9125 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
9127 * arm.md (pic_load_addr): Fix constraints.
9129 * arm.md (casesi_insn): Fix mis-applied patch.
9131 * arm.md ("core" function unit): Add rules for single- and
9133 (All TARGET_THUMB patterns): Add "type" attribute information
9135 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
9136 the following insn is a CALL.
9138 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
9140 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
9141 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
9142 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
9144 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
9146 * config/arm/linux-gas.h: oops - this file was missed out when the
9147 branch was created...
9149 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
9151 * thumb.c: Deleted. Move contents to ...
9153 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
9155 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
9158 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
9159 declare a prototype for asm_output_align();
9161 * arm.c (thumb_condition_code): Delete.
9162 (arm_print_operand): Always use arm_condition_code array.
9164 * arm.c (thumb_return_addr_rtx): Delete.
9165 (arm_save_machine_status, arm_restore_machine_status): Delete.
9166 (arm_init_machine_status, arm_mark_machine_status): New functions.
9167 (arm_init_expanders): Update accordingly.
9168 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
9169 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
9170 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
9172 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
9174 * configure.in : Fix arm-*-aout target to use new t-arm-aout
9176 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
9179 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
9181 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
9182 stack backtrace structure.
9184 * config/arm/arm-protos.h: Add prototypes for functions defined in
9187 * config/arm/arm.c (arm_override_options): Fix selection of
9188 attributes of default processor.
9190 * config/arm/coff.h: Delete needless #include.
9192 * config/arm/pe.c: Delete unused code.
9194 * config/arm/pe.h (CPP_DEFINES): Delete
9195 (SUBTARGET_CPP_SPEC): Define.
9196 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
9198 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
9200 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
9202 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
9204 (CAN_DEBUG_WITHOUT_FP): Define.
9205 (FIXED_REGISTERS): Make r11 call-saved.
9206 (CALL_USED_REGISTERS): Likewise.
9207 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
9208 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
9209 frame-pointer is required.
9210 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
9211 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
9212 if the target normally needs a stack frame in non-leaf functions.
9213 (use_return_insn): Correct logic for determining when a return
9214 instruction can be used.
9215 (output_return_instruction): Handle the frame-pointer register as
9216 a normal register when not TARGET_APCS_FRAME.
9217 (arm_output_prologue): Likewise.
9218 (arm_output_epilogue): Likewise.
9219 (output_func_epilogue): Likewise.
9220 (arm_expand_prologue): Likewise.
9221 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
9223 * arm.c (use_return_insn): No need to check floating point regs if
9225 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
9226 the code of value stored in the minipool array.
9227 (arm_add_minipool_constant): Likewise.
9229 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9231 * basic-block.h (conflict_graph_enum_fn): K&R fix.
9233 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9235 * tree.c (tree_expr_nonnegative_p): New function.
9237 * tree.h (tree_expr_nonnegative_p): Declare.
9239 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
9240 elide some sign_compare warnings.
9241 (build_conditional_expr): Likewise.
9243 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
9245 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
9247 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
9248 * i386.c (print_operand): Use the proper suffix for a 387 HImode
9249 operand. Abort if a 387 operand has an unsupported size.
9251 2000-04-08 Neil Booth <NeilB@earthling.net>
9253 * cppexp.c (parse_charconst): Null does not end character
9255 * cppinit.c (ISTABLE): Null character handled as whitespace.
9256 * cpplex.c (null_warning): new function.
9257 (skip_string): Emit warning if nulls encountered.
9258 (_cpp_skip_hspace): Emit warning if nulls encountered.
9259 (_cpp_lex_token): Emit warning if nulls encountered. Drop
9263 2000-04-07 Richard Henderson <rth@cygnus.com>
9265 * flow.c (loop_depth): Remove.
9266 (reg_next_use, cc0_live, mem_set_list): Replace with ...
9267 (struct propagate_block_info): New.
9268 (life_analysis): Don't allocate reg_next_use.
9269 (propagate_block_delete_insn): Break out of propagate_block.
9270 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
9271 (propagate_block_delete_libcall): Likewise.
9272 (propagate_block): Create a propagate_block_info struct to pass
9273 to subroutines. Allocate one not two temporary regsets. Don't
9274 clobber memory for const calls. Look for clobbers in
9275 CALL_INSN_FUNCTION_USAGE.
9276 (mark_set_regs): Recognize COND_EXEC.
9277 (mark_set_reg): Break out of mark_set_1.
9278 (mark_used_reg): Break out of mark_used_regs.
9279 (mark_used_regs): Recognize COND_EXEC.
9280 (insn_dead_p): Use propagate_block_info struct.
9281 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
9282 (find_auto_inc, try_pre_increment_1): Likewise.
9283 (print_rtl_with_bb): Dump regs live at end too.
9284 (count_reg_sets_1): Pass in loop_depth.
9285 (count_reg_sets, count_reg_references): Likewise.
9286 (recompute_reg_usage): Provide it.
9288 2000-04-07 Richard Henderson <rth@cygnus.com>
9290 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
9293 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
9295 * cpplib.c (do_elif): Skip the rest of the line if we're
9296 not going to bother evaluating it.
9297 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
9298 to avoid pointless calls to the lexer.
9300 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
9302 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
9304 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
9306 * calls.c (expand_call): emit_queue if we're trying a sibcall.
9308 2000-04-07 Jakub Jelinek <jakub@redhat.com>
9310 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
9312 2000-04-06 Geoff Keating <geoffk@cygnus.com>
9314 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
9315 crtend so they can be multilibbed.
9316 (STAGESTUFF): Remove s-crt and s-crtS.
9318 2000-04-07 Richard Henderson <rth@cygnus.com>
9320 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
9321 if we discover we need a pseudo and no_new_pseudos is true.
9322 * config/alpha/alpha.md (ne:DI insn): New.
9323 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
9325 2000-04-07 Richard Henderson <rth@cygnus.com>
9327 * rtl.def (COND_EXEC): New.
9328 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
9329 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
9331 * genconfig.c (have_cond_arith_flag): Remove.
9332 (have_cond_exec_flag): New.
9333 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
9334 (main): Print HAVE_conditional_execution.
9336 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
9337 (sched_analyze_insn, print_pattern): Likewise.
9338 * reload.c (find_equiv_reg): Likewise.
9339 * rtlanal.c (reg_referenced_p): Likewise.
9340 (note_stores, dead_or_set_regno_p): Likewise.
9341 (reg_overlap_mentioned_p): Rewrite to use a switch.
9343 * ggc.h (struct rtx_def): Forward declare.
9345 * print-rtl.c (debug_rtx_range): New.
9346 * rtl.h (debug_rtx_range): Declare.
9348 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
9350 * gcse.c (gcse_main): Don't rebuild the CFG here.
9351 (delete_null_pointer_checks): Likewise.
9352 * ssa.c (convert_to_ssa): Likewise.
9353 * toplev.c (rest_of_compilation): Do it here instead. Combine
9354 sequential calls to TIMEVAR. Consistently use `insns' instead of
9355 `get_insns()'. Always split insns after reload when optimizing.
9357 * basic-block.h (merge_blocks_nomove): Declare.
9358 (tidy_fallthru_edge): Declare.
9359 * flow.c (merge_blocks_nomove): Document as merging into previous
9360 blocks. Remove cruft from between blocks; remove all edges out of A.
9361 (tidy_fallthru_edge): Export.
9363 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9365 * ssa.c (compute_conservative_reg_partition): Declare with
9367 * toplev.c (clean_dump_file): Remove previously-deleted function
9368 inadvertantly merged back in.
9369 * conflict.c (conflict_graph_add): Use a single call to
9370 htab_find_slot to look up and insert.
9372 2000-04-06 Richard Henderson <rth@cygnus.com>
9374 * genrecog.c (*): Rename _last_insn to last_insn.
9375 (make_insn_sequence): Set the position of the peephole2 C test
9376 to be at the last insn.
9378 2000-04-06 Richard Henderson <rth@cygnus.com>
9380 * flow.c (compute_flow_dominators): Free worklist.
9382 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
9384 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
9386 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9388 * rtl.h (INSN_P): New macro.
9389 (successor_phi_fn): New typedef.
9390 (for_each_successor_phi): New prototype.
9391 (in_ssa_form): New variable.
9392 (PHI_NODE_P): Likewise.
9393 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
9394 phi nodes in successors.
9395 (mark_used_regs): Add PHI case.
9396 (set_phi_alternative_reg): New function.
9397 (life_analysis): Assert that dead code elimination is not selected
9399 * toplev.c (to_ssa_time): New variable.
9400 (from_ssa_time): Likewise.
9401 (compile_file): Zero to_ssa_time and from_ssa_time.
9402 Print time to convert to and from SSA.
9403 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
9404 (print_time): Compute percent fraction as integer.
9405 * ssa.c (PHI_NODE_P): Moved to rtl.h.
9406 (convert_to_ssa): Check if we're already in SSA.
9407 Don't eliminate dead code in life_analysis.
9408 Rerun flow and life analysis at bottom.
9409 (eliminate_phi): Use canonical regnos when adding nodes.
9410 (mark_reg_in_phi): New function.
9411 (mark_phi_and_copy_regs): Likewise.
9412 (convert_from_ssa): Rerun life analysis at top.
9413 Use coalesced partition.
9414 Check for removing a phi node at the end of the block.
9415 (compute_coalesced_reg_partition): New function.
9416 (coalesce_regs_in_copies): Likewise.
9417 (coalesce_reg_in_phi): Likewise.
9418 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
9419 (for_each_successor_phi): Likewise.
9420 (rename_context): New struct.
9421 (rename_block): Use a rename_context with rename_insn_1. When
9422 renaming sets of a subreg, emit a copy of the entire reg first.
9423 (rename_insn_1): Treat data as a rename_context *. Save current
9425 (rename_set_data): Add field set_insn.
9426 * Makefile.in (HASHTAB_H): Move up in file.
9427 (OBSTACK_H): New macro.
9428 (collect2.o): Use OBSTACK_H in dependencies.
9429 (sdbout.o): Likewise.
9430 (emit-rtl.o): Likewise.
9431 (simplify-rtx.o): Likewise.
9432 (fix-header.o): Likewise.
9433 (OBJS): Add conflict.o.
9434 (conflict.o): New rule.
9435 * basic-block.h: Include partition.h.
9436 (conflict_graph): New typedef.
9437 (conflict_graph_enum_fn): Likewise.
9438 (conflict_graph_new): New prototype.
9439 (conflict_graph_delete): Likewise.
9440 (conflict_graph_add): Likewise.
9441 (conflict_graph_conflict_p): Likewise.
9442 (conflict_graph_enum): Likewise.
9443 (conflict_graph_merge_regs): Likewise.
9444 (conflict_graph_print): Likewise.
9445 (conflict_graph_compute): Likewise.
9446 * conflict.c: New file.
9448 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
9450 * tlink.c (read_repo_files): Don't look for .rpo info for
9453 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9455 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
9457 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9459 * config/sh/lib1funcs.asm (___udivsi3_i4):
9460 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
9461 only depends on FMOVD_WORKS.
9463 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9465 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
9466 make double constant 8-byte aligned.
9468 2000-04-06 Jakub Jelinek <jakub@redhat.com>
9470 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
9471 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
9472 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
9473 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
9474 Accept storing GENERAL_REGS into offsetable memory.
9475 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
9476 building a TFmode constant other than 0.0L into GENERAL_REGS.
9478 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
9480 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
9482 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
9484 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
9485 (macro_cleanup): No need to cast pbuf->macro.
9486 (collect_expansion): Use _cpp_get_define_token. Goto done if
9487 it returns VSPACE. Remove check for trailing space after
9489 (_cpp_create_definition): Don't diddle flags here. Return
9491 (unsafe_chars): Handle c1 being EOF.
9492 (push_macro_expansion): Use unsafe_chars for both accidental-paste
9493 checks. Don't push the buffer till after we're done with
9495 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
9496 (PEEKN, FORWARD, GETC, PEEKC): Use them.
9497 (cpp_push_buffer): Don't set new->alimit. Set new->mark
9499 (_cpp_parse_assertion): Don't NUL terminate.
9500 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
9501 hspace before calling _cpp_parse_assertion. Remove all sets
9502 of only_seen_white. Treat '\f' as hspace. Don't do anything
9503 special with '\n' here.
9504 (maybe_macroexpand): Handle T_EMPTY hash entries without
9505 pushing a buffer at all.
9506 (cpp_get_token): Handle clearing only_seen_white here. Handle
9507 incrementing the line number here. Clear
9508 potential_control_macro as well as only_seen_white, if
9510 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
9511 (_cpp_get_define_token): New function, basically like
9512 _cpp_get_directive_token was but doesn't eat horizontal space.
9513 Don't do anything with only_seen_white here.
9514 (_cpp_get_directive_token): Just call _cpp_get_define_token
9515 repeatedly till it returns non-hspace.
9517 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
9518 (conditional_skip, skip_if_group): Return int.
9519 (DIRECTIVE_TABLE): Change origin of all conditional directives
9521 (TRAD_DIRECT_P): New macro.
9522 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
9523 an error for a bogus directive, unless -lang-asm. Use
9524 TRAD_DIRECT_P. Loop calling handler functions till one returns
9526 (get_macro_name): Don't diddle flags here.
9527 (do_define): Diddle flags here. Use _cpp_get_directive_token.
9528 Create T_EMPTY nodes for #define macro /* nothing */.
9529 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
9530 Use hp->name when calling pass_thru_directive.
9531 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
9532 Return the result of conditional_skip and/or skip_if_group.
9533 Don't call _cpp_output_line_command.
9534 (consider_directive_while_skipping): Use _cpp_get_directive_token.
9535 Issue -Wtraditional warnings as appropriate. Don't complain
9536 about unrecognized directives. If we are to stop skipping,
9537 return the number of the directive that ended the skip.
9538 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
9539 expansion and line commands while skipping. Return the result
9540 of consider_directive_while_skipping, if nonzero.
9541 (do_endif): Just set potential_control_macro here.
9542 (validate_else): Use _cpp_get_directive_token.
9543 (do_assert, do_unassert): Don't save pointers into the
9544 token_buffer across calls to the lexer. Use
9545 _cpp_get_directive_token.
9547 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
9548 pointer, not an offset. Replace 'data', which was a generic
9549 pointer, with 'macro', which points to a struct hashnode.
9550 (cpp_reader): Add 'potential_control_macro' pointer.
9551 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
9552 (CPP_BUF_GET, CPP_FORWARD): Delete.
9553 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
9554 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
9555 ACTIVE_MARK_P): Update.
9556 (_cpp_get_define_token): New internal function.
9557 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
9559 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
9561 * configure.in: And here.
9562 * configure: Regenerate.
9563 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
9564 --enable-libstdcxx-v3 is passed at configure time.
9565 * config.h.in: Regenerate.
9567 2000-04-05 Mark Mitchell <mark@codesourcery.com>
9569 * final.c (final): Use xcalloc to allocate line_note_exists.
9570 * function.c (free_after_compilation): Free the temp_slots.
9571 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
9572 (combine_temp_slot): Free temp_slots when they get combined.
9573 (purge_addressof): Fix typo in comment.
9574 * stmt.c (mark_goto_fixup): Mark the fixup itself.
9575 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
9577 * ggc.h: Include varray.h.
9578 (ggc_pending_trees): Declare.
9579 (ggc_mark_tree_children): Remove declaration.
9580 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
9581 * ggc-common.c (ggc_pending_trees): New variable.
9582 (ggc_mark_roots): Call ggc_mark_trees.
9583 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
9584 the ggc_pending_trees.
9585 * Makefile.in (GGC_H): New variable. Use it throughout in place
9588 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9590 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
9593 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9595 * sh.c (sh_insn_length_adjustment): New function.
9596 * sh-protos.h (sh_insn_length_adjustment): Declare.
9597 * sh.h (ADJUST_INSN_LENGTH): Use it.
9599 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
9601 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
9602 from the insn where REG_RETVAL is added.
9603 (emit_no_conflict_block): Ditto.
9605 * md.texi (Standard Names): Clarify when movX is needed.
9607 * combine.c (simplify_comparison) [MINUS]: Do not replace
9608 all (op (minus A B) 0) with (op A B).
9610 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
9611 J"orn Rennecke <amylaar@cygnus.co.uk>
9613 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
9614 (block_lump_real): Likewise.
9616 2000-04-05 Chris Demetriou <cgd@netbsd.org>
9618 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
9619 remaining non-zero debugging masks.
9621 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
9623 * basic-block.h (verify_flow_info): Declare.
9624 (flow_loop_outside_edge_p): Declare.
9625 * flow.c (verify_flow_info): Remove declaration.
9626 (clear_log_links, flow_loop_outside_edge_p): Likewise.
9628 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
9630 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
9633 2000-04-05 Jakub Jelinek <jakub@redhat.com>
9635 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
9636 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
9637 seqdi_zero_trunc+1): Allow splits only if registers are
9640 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
9642 * acconfig.h: Add HAVE_GAS_HIDDEN.
9643 * config.in: Regenerated.
9644 * configure.in: Add test for .hidden pseudo-op in gas.
9645 * configure: Regenerated.
9646 * crtstuff.c: Include auto-host.h.
9647 Emit additional .hidden pseudo-op for __dso_handle if the
9648 assembler knows about it.
9650 2000-04-04 Philippe De Muyter <phdm@macqel.be>
9652 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
9653 before freeing argnames.
9654 * cpplib.c (do_ifndef): Cast return value of xstrdup.
9656 2000-04-05 Michael Meissner <meissner@redhat.com>
9658 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
9659 Walton <jonboy@gordian.com> to make memory references with update
9660 work wtih -mregnames.
9662 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9664 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
9665 (regrename_optimize): Rename variables `def_uses' and
9666 `ext_basic_blocks' to avoid conflicts with similarly named
9667 typedefs in traditional C.
9669 * calls.c (initialize_argument_information): Fix typo in previous
9672 2000-04-04 Richard Henderson <rth@cygnus.com>
9674 * regrename.c (consider_available): Test fixed_regs not
9675 PIC_OFFSET_TABLE_REGNUM.
9677 2000-04-04 Geoff Keating <geoffk@cygnus.com>
9679 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
9681 (CRTSTUFF_T_CFLAGS_S): Delete definition.
9682 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
9683 (ENDFILE_LINUX_SPEC): Always use crtend.
9684 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
9685 (powerpc-*-linux-gnu): Likewise.
9686 * configure: Regenerate.
9688 * config/rs6000/eabi.h: Don't include sysv4.h.
9689 (MULTILIB_DEFAULTS): Don't define.
9690 * config/rs6000/eabiaix.h: Don't include eabi.h.
9691 * config/rs6000/eabile.h: Delete.
9692 * config/rs6000/eabilesim.h: Delete.
9693 * config/rs6000/eabisim.h: Don't include eabi.h.
9694 * config/rs6000/linux.h: Don't include sysv4.h.
9695 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
9696 (MULTILIB_DEFAULTS): Don't redefine.
9697 * config/rs6000/rtems.h: Don't include eabi.h.
9698 * config/rs6000/sol2.h: Don't include sysv4le.h.
9699 * config/rs6000/sysv4le.h: Don't include sysv4.h.
9700 * config/rs6000/t-ppc: Delete.
9701 * config/rs6000/t-ppcgas: Correct comment.
9702 * config/rs6000/t-ppcos: Correct comment. Don't build
9703 multilibs for -fPIC, rather use -fPIC -mstrict-align
9705 * config/rs6000/t-ppc: Delete.
9706 * config/rs6000/vxppc.h: Don't include sysv4.h.
9707 * config/rs6000/vxppcle.h: Delete.
9708 * configure.in: Use multiple header files for p2pc ELF targets
9709 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
9710 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
9711 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
9712 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
9713 always available for these platforms.
9715 2000-04-04 Richard Henderson <rth@cygnus.com>
9717 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
9719 2000-04-04 Stan Cox <scox@cygnus.com>
9721 * Makefile.in: Add rules for regrename.o
9722 * regrename.c: New file.
9723 * rtl.h (regrename_optimize): Add prototype.
9724 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
9725 (compile_file, decode_d_option): Add support for -frename-registers.
9726 (rest_of_compilation): Call regrename_optimize.
9727 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
9730 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9732 * Makefile (gccbug): New target.
9733 (doc): Depend on it.
9734 * gcc.texi (Bugs): Link subnodes.
9736 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
9737 Document severities, priorities, and classes in bug form.
9739 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
9741 * cpplex.c (trigraph_map, speccase): Combine into single
9743 (NORMAL, NONTRI): New macros.
9744 (_cpp_read_and_prescan): Change to use unified table. Use
9745 is_hspace to test for whitespace.
9747 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
9748 definition that doesn't provoke the "empty body in an
9749 if-statement" warning.
9751 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
9753 * builtins.c (expand_builtin_strlen): Force the source to
9754 be a memory address.
9756 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9758 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
9760 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
9762 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
9763 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
9764 (ECF_IS_CONST): Rename to ECF_CONST.
9765 (special_function_p): Make static, change interface.
9766 (flags_from_decl_or_type, try_to_integrate): Break out from ...
9767 (expand_call) ... here; convert number of variables to flags.
9768 (emit_library_call_vlue_1): Likewise.
9769 (setjmp_call_p): New function.
9770 (initialize_argument_information): Accepts flags as argument;
9772 (precompute_arguments): Likewise.
9773 * tree.h (special_function_p): Remove.
9774 (setjmp_call_p): Add prototype.
9776 2000-04-04 Jakub Jelinek <jakub@redhat.com>
9778 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
9779 so that addresses are offsetable by up to 16 bytes.
9780 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
9781 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
9784 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
9785 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
9786 (movsf): Don't force any constant to memory if target is integer
9788 Move fp_zero_operand check below the const0_rtx check.
9789 (movtf): Likewise. Also allow fp_zero_operand for stores into
9791 (movdf): Likewise. Also allow fp_zero_operand for stores into
9792 memory and into integer hard registers.
9793 (clear_df, clear_dfp, movdf_const_intreg_sp32,
9794 movdf_const_intreg_sp64): Remove.
9795 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
9797 (movdf_no_e_insn_v9_sp32): New pattern.
9798 (movdf_insn_v9only): Remove.
9799 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
9800 (movdf_insn_sp64): Remove.
9801 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
9802 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
9803 (following splits): Rewrite conditions. Add two new splits
9804 for storing 0.0 into memory and registers.
9805 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
9806 (movtf_insn_sp32): Redo constraints and conditions.
9807 (movtf_insn_vis_sp32): New pattern.
9808 (movtf_no_e_insn_sp32): Redo constraints and conditions.
9809 (movtf_insn_hq_sp64): Likewise.
9810 (movtf_insn_hq_vis_sp64): New pattern.
9811 (movtf_insn_sp64): Redo constraints and conditions.
9812 (movtf_insn_vis_sp64): New pattern.
9813 (movtf_no_e_insn_sp64): Redo constraints and conditions.
9814 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
9816 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
9817 -mvis or -m64 to take down the number of various reload patterns.
9819 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
9821 * pa/pa-64.h: New file.
9822 * pa/pa64-regs.h: New file.
9823 * pa/pa64-start.h: New file.
9824 * pa/t-pa64: New file.
9825 * pa/xm-pa64hpux.h: New file.
9827 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9829 * sparc.c (output_restore_regs): Prototype.
9830 (sparc_emit_float_lib_cmp): Constification.
9832 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
9834 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
9837 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
9838 (get_value_hash, hash_rtx): Likewise.
9840 * ssa.c (compute_conservative_reg_partition): Prototype.
9842 * tree.c (mark_hash_entry): Prototype.
9844 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
9846 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
9847 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
9848 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
9850 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
9851 * objc/lang-specs.h: Likewise.
9853 2000-04-03 Neil Booth <NeilB@earthling.net>
9855 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
9856 and SYNTAX_ERROR2. Replace `' in messages with ''.
9857 (op_to_str): Make re-entrant.
9858 (_cpp_parse_expr): Implement new error macros. Use | rather
9859 than || to logically or 2 boolean integers. Simply expression
9860 checking we have a left operand iff needed.
9862 2000-04-03 Nick Clifton <nickc@cygnus.com>
9864 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
9866 2000-04-03 Philip Blundell <philb@gnu.org>
9868 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
9870 2000-04-03 Felix Lee <flee@cygnus.com>
9872 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
9873 (run_shell): Use it.
9875 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
9877 * Makefile.in (stmp-int-hdrs): Make include subdir here...
9878 (stmp-fixproto): ...rather than here.
9880 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
9882 * pa.c (print_operand): Compute 'base' only inside the code paths
9885 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
9887 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
9890 2000-04-03 Philipp Thomas <pthomas@suse.de>
9892 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
9894 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
9896 * Makefile.in (alias.o): Depend on $(TREE_H).
9898 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
9900 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
9902 * cpplib.c (_cpp_handle_directive): Improve warnings for
9903 traditional C and indented directives.
9905 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
9906 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
9907 fixinc/inclhack.def: Indent the # of #include_next one space.
9908 * cp/rtti.c: Un-indent #if and #endif.
9910 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
9911 syntax error, but an error has already been printed.
9912 * cpplex.c (_cpp_parse_assertion): Give a more specific error
9913 message when called with nothing remaining on the line.
9914 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
9915 OTHER token, not an ASSERTION.
9916 * cpplib.c (do_assert): When we create a 'base' node, clear
9917 its aschain pointer.
9919 2000-04-02 Neil Booth <NeilB@earthling.net>
9921 * cppexp.c: New typedef op_t. struct operation and struct
9922 token updated to use it.
9923 (op_to_str): New function.
9924 (_cpp_parse_expr): Error messages modified to use op_to_str.
9926 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9928 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
9929 before checking MUST_PASS_IN_STACK.
9931 2000-04-02 Neil Booth <NeilB@earthling.net>
9933 * cppexp.c: New FINISHED dummy token. Combine operator initial
9934 flags and initial priority into a single constant. New
9935 EQUALITY macro. New operator flag SHORT_CIRCUIT.
9936 (_parse_cpp_expr): Implement new constants. Take left operand
9937 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
9938 parse indicated by reducing FINISHED token. Remove new lines
9939 from cpp_error messages.
9941 2000-04-01 Mark Mitchell <mark@codesourcery.com>
9943 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
9946 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
9948 * cpplib.c: Include symcat.h. Add 'origin' field to struct
9949 directive. Add origin values to DIRECTIVE_TABLE. Generate
9950 the strings and function names on the fly. Take the #sccs
9951 entry out of the table if SCCS_DIRECTIVE is not defined.
9952 (_cpp_handle_directive): Decide if the # was at the beginning
9953 of the line here. Issue -pedantic warnings for extended
9954 directives here. Warn about K+R directives with the #
9955 indented, and C89/extended directives with the # not indented,
9957 (do_import, do_include_next, do_warning, do_ident, do_sccs,
9958 do_assert, do_unassert): Don't issue pedantic warning here.
9960 * cpphash.h: Add CPP_WTRADITIONAL macro.
9961 * cpplib.h (struct cpp_options): Rename warn_stringify to
9962 warn_traditional; update comments.
9963 * cppinit.c (handle_option): Set warn_traditional not
9965 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
9966 CPP_WTRADITIONAL (pfile).
9967 * cpplex.c (_cpp_lex_token): Don't decide if directives should
9968 be ignored in -traditional mode here.
9970 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
9971 to initialize speccase[] and trigraph_map[]. Delete all
9972 references to pfile->input_speccase. Always treat '?' as a
9973 special character. Remove table-initialization code from
9974 _cpp_init_input_buffer.
9976 * cpplib.h (struct cpp_reader): Remove input_speccase field.
9977 * cppinit.c (cpp_cleanup): Don't free input_speccase.
9979 2000-04-01 Richard Henderson <rth@cygnus.com>
9981 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
9982 (mostlyclean): Likewise.
9984 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
9985 (struct dump_file_info, enum dump_file_index, dump_file): New.
9986 (open_dump_file): Take a dump_file_index not a suffix, and a decl
9987 not a string. Clean out file if we havn't yet done so. Do nothing
9988 if the dump isn't enabled.
9989 (close_dump_file): Do nothing if the dump isn't open. Dump
9990 graph data if requested.
9991 (dump_rtl, clean_dump_file): Remove.
9992 (compile_file): Don't clean the dump files. Only finalize .bp dump
9993 if flag_test_coverage or flag_branch_probabilities. Only finalize
9994 .combine dump if optimizing. Iterate over dump_file to finalize the
9996 (rest_of_compilation): Update for open_dump_file/close_dump_file.
9997 Convert all uses of dump_rtl.
9998 (decode_d_option): Iterate over dump_file to implement 'a' and to
9999 locate pass-specific dumps.
10001 2000-04-01 Neil Booth <NeilB@earthling.net>
10003 * cppexp.c: Redefine priority constants.
10004 (_cpp_parse_expr): Replace left and right priority scheme with
10005 single priority logic. Move LOGICAL to same place as COMPARE.
10006 Remove bogus check for multiple unary +/- operators.
10008 2000-04-01 Neil Booth <NeilB@earthling.net>
10010 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
10011 within the switch statement. Binary operations break out of
10012 the switch naturally. '(' tokens handled by forcing
10013 immediate shift. ')' handled by forcing immediate reduce to
10014 the previous '('. New error messages.
10016 2000-03-31 Geoff Keating <geoffk@cygnus.com>
10018 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
10019 part', it's already in use. Use %K instead. Add a return at the
10020 end of what is now %K.
10021 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
10023 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
10025 * builtins.c (expand_builtin_apply): Pass proper parameters to
10026 allocate_dynamic_stack_space.
10027 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
10028 update stack_pointer_delta; do not update arg_size_so_far.
10029 (compute_argument_block_size): Use stack_delta instead of
10030 stack_pointer_pending and arg_size_so_far.
10031 (expand_call): Add sanity checking for stack_pointer_delta;
10032 save and restore stack_pointer_delta for SIB, use
10033 stack_pointer_delta for alignment; do not update arg_space_so_far.
10034 (emit_library_call_value): Use stack_pointer_delta for alignment.
10035 (store_one_arg): Do not update arg_space_so_far.
10036 * explow.c (adjust_stack, anti_adjust_stack): Update
10037 stack_pointer_delta.
10038 (allocate_dynamic_stack_space): Add sanity checking for
10039 stack_pointer_delta.
10040 * expr.c (init_expr, clear_pending_stack_adjust): Clear
10041 stack_pointer_delta.
10042 (emit_push_insn): Update stack_pointer_delta.
10043 * function.h (struct expr_status): Add x_stack_pointer_delta;
10044 remove x_arg_space_so_far.
10045 (arg_space_so_far): Remove.
10046 (stack_pointer_delta): New macro.
10048 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
10050 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
10051 Reorder struct cpp_options and struct cpp_reader for better
10052 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
10053 takes two args. Change all 'char' flags to 'unsigned char'.
10054 Move show_column flag into struct cpp_options. Don't
10055 prototype cpp_options_init.
10056 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
10057 cppinit.c, cpplex.c, cpplib.c:
10058 Replace CPP_OPTIONS (pfile)->whatever with
10059 CPP_OPTION (pfile, whatever), and likewise for
10060 opts = CPP_OPTIONS (pfile); ... opts->whatever;
10062 * cppinit.c (merge_include_chains): Take a cpp_reader *.
10063 Extract CPP_OPTION (pfile, pending) and work with that
10065 (cpp_options_init): Delete.
10066 (cpp_reader_init): Turn on on-by-default options here.
10067 Allocate the pending structure here.
10068 (cl_options, enum opt_code): Define these from the same table,
10069 kept in a large macro. Add -fshow-column and -fno-show-column
10072 * cpperror.c (v_message): If show_column is off, don't print
10075 * cppmain.c: Update for new interface.
10076 * fix-header.c: Likewise.
10078 2000-03-30 Geoff Keating <geoffk@cygnus.com>
10080 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
10082 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
10083 are passed to any invocation of AR_FOR_TARGET.
10084 (AR_CREATE_FOR_TARGET): New macro.
10085 (AR_EXTRACT_FOR_TARGET): New macro.
10086 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
10087 AR_EXTRACT_FOR_TARGET.
10088 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
10089 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
10090 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
10091 AR_EXTRACT_FOR_TARGET to sub-makes.
10093 2000-03-31 Neil Booth <NeilB@earthling.net>
10095 * cppexp.c: Delete SKIP_OPERAND. Correct priority
10097 (_cpp_parse_expr): Check for multiple unary +/- operators.
10098 Correct priorities of ':' and '?'. Treat ')' as having a
10099 value. Ensure conditional expression is not void.
10101 2000-03-31 Mark Mitchell <mark@codesourcery.com>
10103 * alias.c (canon_rtx): Make it global.
10104 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
10106 * cse.c (struct table_elt): Add canon_exp.
10107 (insert): Clear it.
10108 (invalidate): Canonicalize expressions only once.
10109 * rtl.h (canon_rtx): Declare.
10111 2000-03-30 Mark Mitchell <mark@codesourcery.com>
10113 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
10114 * alias.c (reg_known_value): Add comments.
10115 (init_alias_analysis): Likewise.
10116 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
10118 (cse_basic_block): Fix typo in comment.
10119 * emit-rtl.c: Include hashtab.h.
10120 (const_int_htab): New variable.
10121 (const_int_htab_hash): New function.
10122 (const_int_htab_eq): Likewise.
10123 (rtx_htab_mark_1): Likewise.
10124 (rtx_htab_mark): Likewise.
10125 (gen_rtx_CONST_INT): Cache all CONST_INTs.
10126 (unshare_all_rtx): Fix formatting.
10127 (init_emit_once): Initialize const_int_htab.
10128 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
10130 * rtl.texi: Document the fact that all CONST_INTs with the same
10133 2000-03-30 Richard Henderson <rth@cygnus.com>
10135 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
10137 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
10139 * configure.in: Comment out --enable-c-cpplib stanza.
10140 * configure: Regenerate.
10142 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10144 * expr.c (store_constructor): Properly compute displacement and
10145 alignment when offset is variable.
10147 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
10148 cases of alignment in bytes.
10150 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
10152 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
10153 since it is used to generate c-parse.y.
10154 * objc-parse.c, objc-parse.y: Regenerated.
10156 * function.c (expand_function_end): Pass alignment argument to
10157 emit_block_move in bits, not bytes.
10159 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10161 * expr.c (move_by_pieces_ninsns): Fix one more missing align
10164 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
10166 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
10167 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
10168 * function.c (assign_parms): Likewise.
10169 * integrate.c (expand_inline_function): Likewise.
10170 * stmt.c (expand_decl): Likewise.
10171 (copy_rtx_and_substitute): Likewise.
10172 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
10173 (clear_by_pieces): Fix error in last change.
10174 * emit-rtl.c (init_emit): Set known registers alignment in bits.
10175 * function.h (regno_pointer_align): Now unsigned.
10176 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
10178 * config/i386/i386.c (aligned_operand): Likewise.
10179 * config/sparc/sparc.c (mem_min_alignment): Likewise.
10180 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
10181 (unaligned_memory_operand): Likewise.
10182 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
10183 Also make alignments and sizes unsigned and some whitespace cleanup.
10184 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
10186 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
10187 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
10188 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
10189 (expand_builtin_memset): Likewise, but to clear_storage.
10190 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
10191 (restore_fixed_argument_area): Likewise.
10192 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
10193 (load_register_parameters): Likewise, to emit_group_load.
10194 (expand_call): Likewise, to emit_group_store and emit_block_move.
10195 (emit_library_call_value_1): Likewise, to emit_block_move.
10196 (store_one_arg): Likewise, and to emit_push_insn.
10197 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
10198 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
10199 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
10200 (emit_block_move, emit_group_load, emit_group_store): Likewise.
10201 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
10202 (expand_assigment, store_expr, store_constructor_field): Likewise.
10203 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
10204 (store_constructor, store_field, get_inner_reference): Likewise.
10205 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
10206 (expand_expr, case COMPONENT_REF): Likewise.
10207 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
10208 and positions; reindent code.
10209 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
10210 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
10211 (assign_parms): Likewise to emit_group_store.
10212 * optabs.c (prepare_cmp_insn): Alignment is in bits.
10213 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
10214 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
10215 (expand_return): Likewise to {extract,store}_bit_field.
10216 * stor-layout.c (get_mode_alignment): Minor cleanup.
10217 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
10218 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
10220 2000-03-29 Nick Clifton <nickc@cygnus.com>
10222 * config/arm/arm.h: Undo effects of previous delta:
10223 (ASM_SPEC): Do not define.
10224 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
10226 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
10229 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
10231 * cppinit.c (cpp_start_read): Call initialize_dependency_output
10232 only after reading in the primary source file.
10234 2000-03-29 Geoff Keating <geoffk@cygnus.com>
10236 * c-common.c (c_common_nodes_and_builtins): The first parameter to
10237 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
10238 or a reference to a va_list.
10239 * builtins.c (stabilize_va_list): Simplify now we don't have to
10240 work around C array address decay.
10241 * c-typeck.c (convert_for_assignment): Handle assignment to
10242 a reference parameter by taking the address of the RHS.
10243 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
10244 (va_copy): Likewise.
10245 (__va_copy): Likewise.
10246 * ginclude/varargs.h (va_start): Likewise.
10247 (__va_copy): Likewise.
10249 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
10251 * i386/djgpp.h: Remove extraneous "+".
10253 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
10255 * calls.c (expand_call): Fix typo in last change.
10257 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
10259 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
10262 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10264 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
10265 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
10266 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
10267 * tree.c (bit_position, byte_position): Likewise.
10268 * tree.h: Declare new functions.
10270 2000-03-29 Nick Clifton <nickc@cygnus.com>
10272 * config/arm/arm.c: Minor formatting changes/
10273 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
10275 (ASM_SPEC): Define if not already defined.
10277 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
10279 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
10282 2000-03-29 Jakub Jelinek <jakub@redhat.com>
10284 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
10285 value, don't output it as unsigned.
10287 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
10289 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
10291 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10293 * c-common.c (c_common_nodes_and_builtins): Don't special case
10294 cplus_mode when declaring builtin bzero/bcmp, always avoid
10295 prototype arguments.
10297 2000-03-29 Bruce Korb <bkorb@gnu.org>
10299 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
10302 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
10304 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
10305 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
10306 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
10307 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
10308 (save_fixed_argument_area, restore_fixed_argument_area):
10309 conditionize by #ifdef REG_PARM_STACK_SPACE only.
10310 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
10311 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
10312 (precompute_register_parameters): Avoid #ifdefs on
10313 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
10314 (stire_one_args): Likewise.
10315 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
10316 (emit_library_call_value_1): Likewise.
10317 (compute_argument_block_size): Align to STACK_BOUNDARY only for
10318 ACCUMULATE_OUTGOING_ARGS.
10319 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
10321 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
10322 (use_crosses_set_p): Likewise.
10323 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
10324 #define ACCUMULATE_OUTGOING_ARGS 1.
10325 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
10327 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
10329 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
10330 (TARGET_SWITCHES): Add push-args, no-push-args,
10331 accumulate-outgoing-args and no-accumulate-outgoing-args.
10332 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
10333 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
10334 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
10336 (emit_push_insn): Likewise.
10337 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10338 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
10339 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10340 (STACK_DYNAMIC_OFFSET): Define correctly for both
10341 ACCUMULATE_OUTGOING_ARGS and normal mode.
10342 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
10343 * tm.texi (PUSH_ARGS): Document.
10344 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
10346 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
10348 * flags.h (flag_optimize_sibling_calls): Declare.
10349 * calls.c (expand_call): Fail sibcall when
10350 !flag_optimize_sibling_calls
10351 * invoke.texi (flag_optimize_sibling_calls): Document.
10352 * toplev.c (flag_optimize_sibling_calls): New global variable.
10353 (f_options): Add flag_optimize_sibling_calls.
10354 (rest_of_compilation): Conditionize
10355 optimize_sibling_and_tail_recursive_calls by
10356 flag_optimize_sibling_calls.
10357 (main): Set flag_optimize_sibling_calls for -O2.
10358 * stmt.c (expand_return): Conditionize tail recursion by
10359 flag_optimize_sibling_calls.
10361 2000-03-29 Richard Henderson <rth@cygnus.com>
10363 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
10364 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
10366 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
10368 * except.c (add_eh_table_entry): Mark type_info's as referenced.
10370 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10372 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
10374 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
10375 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
10376 * config/rs6000/aix.h: then modified likewise.
10378 2000-03-28 Richard Henderson <rth@cygnus.com>
10380 * rtl.h: Redistribute enum reg_note documentation.
10381 Kill trailing whitespace.
10382 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
10383 Kill trailing whitespace.
10385 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
10387 * cppfiles.c (hash_IHASH): Just return i->hash.
10388 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
10389 htab_find_with_hash.
10390 (cpp_read_file): Likewise.
10391 (find_include_file): Likewise. Properly initialize
10392 ih->nshort. Share ih->name and ih->nshort if possible.
10393 * cpphash.c (_cpp_calc_hash): New function.
10394 (hash_HASHNODE): Just return h->hash.
10395 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
10396 htab_find_with_hash.
10397 * cpphash.h: Prototype _cpp_calc_hash.
10398 * cppinit.c (initialize_builtins): Provide a valid hash
10399 to _cpp_make_hashnode, using _cpp_calc_hash.
10401 * cpphash.c (collect_expansion): # is not a special character
10402 in object-like macros. In -traditional mode, /**/ is not
10403 token paste at the beginning or end of the line.
10404 * cpplib.c (do_include, do_import, do_include_next): If
10405 parse_include fails, return immediately.
10407 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
10409 * config/arm/arm.md (return peepholes): Update to reflect the new
10410 call insn patterns.
10411 * config/arm/arm.c (arm_volatile_func): Also check
10412 current_function_nothrow.
10413 (output_return_instruction, output_func_prologue): Use it.
10414 (arm_output_epilogue, arm_expand_prologue): Likewise.
10416 2000-03-27 Tom Tromey <tromey@cygnus.com>
10418 * gcc.c (handle_braces): In {x*...} case, break out of loop if
10421 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10423 * expr.c (store_constructor): SIZE now signed.
10424 For EXPR_SIZE, don't evaluate size; just needed if constant.
10425 * fold-const.c (fold): Fix a number of cases when folded tree is
10427 * function.c (flush_addressof): Reenable.
10428 * tree.h (flush_addressof): Likewise.
10429 * toplev.c (independent_decode_option): Look at strings_processed.
10430 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
10432 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
10434 * sibcall.c (indentify_call_return_value): Find last call in the chain;
10435 Allow stack adjustment after function call.
10437 * regmove.c (struct csa_memlist): Make mem field rtx *.
10438 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
10439 (try_apply_stack_adjustment): Replace whole MEM rtx.
10440 (combine_stack_adjustments_for_block): Update calls
10441 to record_one_stack_ref.
10443 2000-03-28 Neil Booth <NeilB@earthling.net>
10445 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
10446 '\\' rather than a null character, so nulls are not special. Fix
10447 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
10448 speed trigraph conversion.
10449 (_cpp_init_input_buffer): Initialize trigraph map.
10451 2000-03-27 Alan Modra <alan@linuxcare.com.au>
10453 * config/i386/i386.c (output_387_binary_op): Correct intel
10454 mode assembly output, and add spaces after commas in AT&T
10455 output. Correct Unixware assembler comment. Document input
10456 constraints. Comment fp operations. Reduce profligate buffer
10457 size. Remove extraneous abort. Localize temp var.
10458 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
10459 (output_fix_trunc): Add spaces after commas in assembly output.
10461 2000-03-27 Richard Henderson <rth@cygnus.com>
10463 * i386-protos.h (ix86_match_ccmode): Declare.
10464 * i386.c (ix86_match_ccmode): New.
10465 (ix86_expand_fp_compare): Update for pattern renames.
10466 (ix86_expand_strlensi_unroll_1): Likewise.
10467 * i386.h (EXTRA_CC_MODES): Add CCZ.
10468 (SELECT_CC_MODE): Use it for EQ/NE zero.
10469 * i386.md (cmpsi_ccz_1): New.
10470 (cmpqi_ccz_1): New.
10471 (*testsi_ccz_1): New.
10472 (testqi_ccz_1): New.
10473 (cmpsi_ccno_1): Rename from cmpsi_0.
10474 (testsi_ccno_1): Rename from testsi_1.
10475 (testqi_ccno_1): Rename from testqi_1.
10476 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
10477 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
10478 (*cmphi_0): Use ix86_match_ccmode.
10479 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
10480 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
10481 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
10482 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
10483 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
10484 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
10485 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
10486 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
10487 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
10488 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
10489 (appropriate peepholes): Likewise.
10490 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
10491 (*subsi_3, *subhi_3, *subqi_3): Remove.
10492 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
10493 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
10494 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
10495 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
10496 (x86_shift_adj_1): Use CCZ.
10497 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
10499 2000-03-27 Stan Cox <scox@cygnus.com>
10501 * resource.h (mark_resource_type): New.
10502 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
10503 find_free_register): Use mark_resource_type.
10504 (mark_set_resources): Change include_delayed_effects
10505 to mark_resource_type.
10506 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
10507 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
10508 Use mark_resource_type.
10510 2000-03-27 Richard Henderson <rth@cygnus.com>
10512 * i386.md (call_pop_0, call_value_pop_0): New.
10513 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
10514 (call_value_pop_1): Likewise.
10515 (call_0, call_value_0): New.
10516 (call_1, call_value_1): Remove constraint from unused arg.
10518 2000-03-27 Nick Clifton <nickc@cygnus.com>
10520 * invoke.texi (Spec Files): Document new spec % command created by
10521 Tom Tromey's recent patch.
10523 2000-03-27 Jakub Jelinek <jakub@redhat.com>
10525 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
10528 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10530 * expr.c (expand_assignment): Fix typo in last change.
10532 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
10534 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10536 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
10537 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
10538 and DECL_INLINE if FUNCTION_DECL.
10539 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
10540 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
10541 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
10542 (combine_parm_decls): Likewise.
10543 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
10544 * print-tree.c (print_node): Likewise.
10545 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
10546 DECL_TRANSPARENT_UNION on proper decl types.
10547 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
10548 * stor-layout.c (layout_decl): Only check DECL_PACKED and
10549 DECL_BIT_FIELD of FIELD_DECL.
10550 * tree.h (DECL_RESULT_FLD): New macro.
10552 * expr.c (expand_assignment): Add code to handle variable-sized
10555 2000-03-26 Richard Henderson <rth@cygnus.com>
10557 * calls.c (expand_call): Pass parms not original exp to
10558 optimize_tail_recursion. Mind return value instead of looking
10560 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
10561 call_expr. Move checks for call_expr and current_function_decl ...
10562 (expand_return): ... here.
10564 2000-03-26 Tom Tromey <tromey@cygnus.com>
10566 * gcc.c (handle_braces): Recognize `%{<S}' construct.
10567 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
10569 (process_command): Use them.
10570 (check_live_switch): Likewise.
10571 (give_switch): Skip ignored switches.
10573 2000-03-26 Jan Hubicka <jh@suse.cz>
10575 * jump.c (jump_optimize_1): Fix typo in elide optimizations
10576 for minimal jump pass test.
10578 2000-03-26 Mark Mitchell <mark@codesourcery.com>
10580 * integrate.c (function_cannot_inline_p): Do inline functions that
10583 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10585 * stor-layout.c (layout_type, set_sizetype): early_type_list is
10586 now a list of TREE_LIST entries, not types.
10587 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
10589 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
10590 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
10592 * config/mips/mips.c (function_arg): Likewise; also remove cast
10593 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
10594 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
10595 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
10596 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
10597 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
10598 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
10599 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
10600 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
10601 num_adjusts now unsigned.
10602 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
10603 * config/sparc/sparc.c (struct function_arg_record_value_parms):
10604 NREGS now unsigned.
10605 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
10606 as is BITPOS variable; use host_integerp and int_bit_position.
10607 (function_arg_record_value_2): Likewise.
10608 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
10609 Variable REGNO now unsigned.
10610 (function_arg_record_value): NREGS now unsigned.
10612 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
10614 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
10616 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10618 * Rework fields used to describe positions of bitfields and
10619 modify sizes to be unsigned and use HOST_WIDE_INT.
10620 * alias.c (reg_known_value_size): Now unsigned.
10621 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
10622 (really_start_incremental_init): Use bitsize_zero_node.
10623 (push_init_level, pop_init_level, output_init_element): Likewise.
10624 Use bitsize_unit_node and bitsize_one_node.
10625 (output_pending_init_elements, process_init_element): Likewise.
10626 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
10627 (make_extraction): Position and length HOST_WIDE_INT and unsigned
10628 HOST_WIDE_INT, respectively.
10629 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
10630 (num_sign_bit_copies): Returns unsigned.
10631 BITWIDTH now unsigned; rework arithmetic.
10632 Remove recursive call from arg to MAX.
10633 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
10634 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
10635 REGNO now unsigned.
10636 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
10637 (find_split_point, expand_compound_operation, make_extraction): LEN
10638 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
10639 (make_field_assignment): Likewise.
10640 (combine_simplify_rtx): Add cast.
10641 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
10642 (force_to_mode): WIDTH now unsigned; add cast.
10643 (if_then_else_cond): SIZE now unsigned.
10644 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
10645 (extended_count): Now returns unsigned.
10646 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
10647 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
10648 (simplify_comparison): MODE_WIDTH now unsigned.
10649 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
10650 (mark_used_regs_combine): Likewise; rework arithmetic.
10651 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
10652 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
10653 (record_promoted_value): REGNO now unsigned.
10654 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
10655 (get_last_value): REGNO now unsigned.
10656 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
10657 (reg_dead_regno, reg_dead_endregno): Now unsigned.
10658 (remove_death): Arg REGNO now unsigned.
10659 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
10660 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
10662 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
10663 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
10664 (struct cse_reg_info): REGNO now unsigned.
10665 (cached_regno): Now unsigned.
10666 (REGNO_QTY_VALID_P): Add cast.
10667 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
10668 (remove_invalid_regs): Likewise.
10669 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
10670 as are variables END and I.
10671 (get_cse_reg_info, insert): Likewise.
10672 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
10673 (canon_hash): Likewise.
10674 (insert_regs, lookup_for_remove): REGNO now unsigned.
10675 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
10677 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
10678 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
10679 * emit-rtl.c (subreg_realpart_p): Add cast.
10680 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
10681 (operand_subword_force): Arg I is now unsigned.
10682 * except.c (eh_regs): Variable I is now unsigned.
10683 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
10684 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
10685 length is unsigned HOST_WIDE_INT; likewise for internal variables.
10686 (store_split_bit_field, extract_fixed_bit_field): Likewise.
10687 (extract_split_bit_field, store_bit_field, extract_bit_field):
10689 * expr.c (store_constructor_fields, store_constructor, store_field):
10690 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
10691 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
10692 (do_jump): Likewise.
10693 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
10694 MAX_SIZE is now unsigned.
10695 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
10696 (emit_group_store): Likewise.
10697 (emit_move_insn): I now unsigned.
10698 (store_constructor): Use host_integerp, tree_low_cst, and
10700 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
10701 Rework all calculations to use trees and new fields.
10702 * expr.h (promoted_input_arg): Regno now unsigned.
10703 (store_bit_field, extract_bit_field): Adjust types of pos and size.
10704 (mark_seen_cases): Arg is HOST_WIDE_INT.
10705 * flow.c (verify_wide_reg_1): REGNO now unsigned.
10706 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
10707 precisions and alignments are unsigned.
10708 (optimize_bit_field_compare, fold_truthop): Likewise.
10709 (int_const_binop): Adjust threshold for size_int_type_wide call.
10710 (fold_convert): Likewise.
10711 (size_int_type_wide): Make table larger and fix thinko that only
10712 had half of table used.
10713 (all_ones_mask_p, fold): Precisions are unsigned.
10714 * function.c (put_reg_info_stack): REGNO is unsigned.
10715 (instantiate_decl): Size is HOST_WIDE_INT.
10716 (instantiate_virtual_regs): I is unsigned.
10717 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
10718 (promoted_input_arg): REGNO is unsigned.
10719 * function.h (struct function): x_max_parm_reg is now unsigned.
10720 * gcse.c (max_gcse_regno): Now unsigned.
10721 (struct null_pointer_info): min_reg and max_reg now unsigned.
10722 (lookup_set, next_set): REGNO arg now unsigned.
10723 (compute_hash_table): REGNO and I now unsigned.
10724 (handle_avail_expr): regnum_for_replacing now unsigned.
10725 (cprop_insn): REGNO now unsigned.
10726 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
10727 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
10728 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
10729 * hard-reg-set.h (reg_class_size): Now unsigned.
10730 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
10731 * jump.c (mark_modified_reg): I now unsigned; add cast.
10732 (rtx_equal_for_thread_p): Add cast.
10733 * loop.c (max_reg_before_loop): Now unsigned.
10734 (struct_movable): REGNO now unsigned.
10735 (try_copy_prop): REGNO arg unsigned.
10736 (regs_match_p): XN and YN now unsigned.
10737 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
10738 (strength_reduce): Likewise; NREGS also unsigned.
10739 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
10740 * loop.h (struct iv_class): REGNO now unsigned.
10741 (max_reg_before_loop, first_increment_giv, last_increment_giv):
10743 * machmode.h (mode_size, mode_unit_size): Now unsigned.
10744 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
10745 * optabs.c (expand_binop): I and NWORDS now unsigned.
10746 (expand_unop): I now unsigned.
10747 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
10748 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
10749 * real.c (significand_size): Now returns unsigned.
10750 * real.h (significand_size): Likewise.
10751 * regclass.c (reg_class_size): Now unsigned.
10752 (choose_hard_reg_mode): Both operands now unsigned.
10753 (record_reg_classes): REGNO and NR now unsigned.
10754 (reg_scan): NREGS now unsigned.
10755 (reg_scan_update): old_max_regno now unsigned.
10756 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
10757 * reload.c (find_valid_class): BEST_SIZE now unsigned.
10758 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
10759 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
10760 Likewise for variable R.
10761 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
10762 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
10763 (find_equiv_reg): Add casts.
10764 (regno_clobbered_p): Arg REGNO now unsigned.
10765 * reload.h (struct reload): NREGS now unsigned.
10766 (refers_to_regno_for_reload_p): Regno args are unsigned.
10767 (regno_clobbered_p): Likewise.
10768 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
10769 (compute_use_by_pseudos): REGNO now unsigned.
10770 (find_reg): I and J now unsigned, new variable K, and change loop
10771 variables accordingly; THIS_NREGS now unsigned.
10772 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
10773 (spill_hard_reg): REGNO arg now unsigned; add casts.
10774 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
10775 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
10776 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
10777 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
10778 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
10779 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
10780 (emit_reload_insns): REGNO now unsigned.
10781 (reload_cse_move2add): Add cast.
10782 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
10784 * resource.c (mark_referenced_resources, mark_set_resources): New
10785 variable R; REGNO and LAST_REGNO now unsigned.
10786 (mark_target_live_regs): J and REGNO now unsigned.
10787 * rtl.c (mode_size, mode_unit_size): Now unsigned.
10788 * rtl.h (union rtunion_def): New field rtuint.
10789 (XCUINT): New macro.
10790 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
10791 (operand_subword, operand_subword_force): Word number is unsigned.
10792 (choose_hard_reg_mode): Operands are unsigned.
10793 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
10794 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
10795 (regno_use_in, combine_instructions, remove_death): Likewise.
10796 (reg_scan, reg_scan_update): Likewise.
10797 (extended_count): Return is unsigned.
10798 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
10799 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
10800 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
10801 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
10802 (reg_reg_last_1): FIRS and LAST now unsigned.
10803 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
10804 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
10806 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
10807 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
10808 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
10809 (replace_regs): Arg NREGS now unsigned.
10810 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
10811 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
10812 (simplify_binary_operation): Likewise.
10813 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
10814 THIS_LAST now unsigned.
10815 (cselib_record_set): Add cast.
10816 * ssa.c (ssa_max_reg_num): Now unsigned.
10817 (rename_block): REGNO now unsigned.
10818 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
10819 sizes now unsigned.
10820 (all_cases_count): Just return -1 not -2.
10821 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
10822 Rework tests to use trees whenever possible.
10823 Use host_integerp and tree_low_cst.
10824 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
10825 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
10826 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
10827 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
10828 (smallest_mode_for_size): Likewise.
10829 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
10830 KNOWN_ALIGN is now an alignment, so simplify code.
10831 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
10832 (start_record_layout): Renamed from new_record_layout_info.
10833 Update to new fields.
10834 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
10836 (place_union_field): Renamed from layout_union_field.
10837 Update to use new fields in rli.
10838 (place_field): Renamed from layout_field.
10839 Major rewrite to use new fields in rli; pass alignment to layout_decl.
10840 (finalize_record_size): Rework to use new fields in rli and handle
10842 (compute_record_mode): Rework to simplify and to use new DECL fields.
10843 (finalize_type_size): Make rounding more consistent.
10844 (finish_union_layout): Deleted.
10845 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
10846 (layout_type, case RECORD_TYPE): Call new function names.
10847 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
10848 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
10849 (get_best_mode): UNIT is now unsigned; remove casts.
10850 * tree.c (bit_position): Compute from new fields.
10851 (byte_position, int_byte_position): New functions.
10852 (print_type_hash_statistics): Cast to remove warning.
10853 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
10854 (build_index_type): Likewise; make subtype of sizetype.
10855 (build_index_2_type): Pass sizetype to build_range_type.
10856 (build_common_tree_nodes): Use size_int and bitsize_int to
10857 initialize nodes; add bitsize_{zero,one,unit}_node.
10858 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
10859 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
10860 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
10861 (DECL_FIELD_BITPOS): Deleted.
10862 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
10863 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
10864 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
10865 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
10866 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
10867 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
10868 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
10869 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
10870 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
10871 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
10872 (DECL_ALIGN): Adjust to new field in union.
10873 (DECL_OFFSET_ALIGN): New field.
10874 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
10875 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
10876 (union tree_decl): Add struct for both aligns.
10877 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
10878 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
10879 (struct record_layout_info): Rework fields to have offset
10880 alignment and byte and bit position.
10881 (start_record_layout, place_field): Renamed from old names.
10882 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
10883 (byte_position, int_byte_position): Likewise.
10884 (get_inner_reference): Change types of position and length.
10885 * unroll.c (unroll_loop): New variable R; use for some loops.
10886 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
10887 (calculate_giv_inc): Arg REGNO now unsigned.
10888 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
10889 * varasm.c (assemble_variable): Clean up handling of size using
10890 host_integerp and tree_low_cst.
10891 (decode_addr_const): Use byte, not bit, position.
10892 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
10893 use tree_low_cst and int_bit_position.
10894 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
10896 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
10898 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
10899 (reorder_block_def): New members eff_head and eff_end.
10900 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
10901 (verify_insn_chain): New function.
10902 (skip_insns_between_block): Add code to skip deleted insns.
10903 Check for note before using.
10904 (chain_reorder_blocks): Replace calls to skip_insns_between_block
10905 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
10906 Check for note before using.
10907 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
10908 (fixup_reorder_chain): Restructure, clean up, defect removal.
10909 (reorder_basic_blocks): Remove last_insn and references to it.
10910 Moved insn chain verification code into a new function (see above).
10911 Delete defective code that sets last insn.
10912 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
10915 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10917 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
10919 2000-03-24 Richard Henderson <rth@cygnus.com>
10921 * tree.c (lang_safe_for_unsave): Remove.
10922 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
10923 allowing for two levels of unsafeness. Remove lang hook.
10924 * tree.h: Update declarations.
10925 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
10926 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
10927 Always fail sibcalls when there are pending cleanups.
10929 2000-03-24 Geoff Keating <geoffk@cygnus.com>
10931 * flow.c (propagate_block): When we delete an ADDR_VEC,
10932 also delete the BARRIER following it if there is one.
10934 2000-03-24 Richard Henderson <rth@cygnus.com>
10936 * builtins.c (expand_builtin_bzero): Convert `length' argument
10939 2000-03-24 Jakub Jelinek <jakub@redhat.com>
10941 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
10942 comparison if regno's are equal.
10943 * calls.c (initialize_argument_informat): Add ecf_flags argument.
10944 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10945 (expand_call): Update caller.
10946 Avoid making a sibling call if argument size of the callee is larger
10947 than argument size of the caller.
10948 Call hard_function_value with outgoing set if in sibcall pass.
10949 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10951 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
10952 Change LEAF_REGISTERS from an array initializer to actual array
10953 identifier. Move static global variable into the function.
10954 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
10955 sequences for leaf functions.
10956 * global.c (global_alloc): Likewise.
10957 * tm.texi (LEAF_REGISTERS): Update documentation.
10959 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
10960 TARGET_FLAT leaf disabling hack.
10961 (LEAF_REGISTERS): Changed from an array initializer to actual array
10962 identifier to avoid duplication and remove the above hack.
10963 (FUNCTION_OK_FOR_SIBCALL): Define.
10964 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
10965 always like call attribute.
10966 (eligible_for_sibcall_delay): New attribute.
10967 (sibcall): New delay type.
10968 (sibcall, sibcall_value, sibcall_epilogue): New expands.
10969 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
10970 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
10971 * config/sparc/sparc.c (sparc_leaf_regs): New array.
10972 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
10974 (output_function_epilogue): Move part of the code into
10975 output_restore_regs.
10976 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
10978 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
10981 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
10982 until infrastructure is finished.
10984 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
10986 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
10987 (save_parm_insns): Not here.
10989 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10991 * builtins.c (expand_builtin_bzero): New function.
10992 (expand_builtin): Handle bzero.
10994 * builtins.def: Add BUILT_IN_BZERO.
10996 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10997 prototype & function for bzero.
10999 2000-03-23 Michael Meissner <meissner@redhat.com>
11001 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
11002 change adding TARGET_FP to the TF floating point insns, except for
11003 trunctfsf2, which generates direct calls to truncdfsf2.
11005 2000-03-23 Geoff Keating <geoffk@cygnus.com>
11007 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
11008 try to protect against middle-end changes that break binary
11010 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
11012 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11014 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
11016 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11018 * calls.c (expand_call): If TARGET is passed by reference and
11019 is readonly, write a CLOBBER.
11021 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11023 * builtins.c (expand_builtin): Handle bcmp.
11025 * builtins.def: Add BUILT_IN_BCMP.
11027 * c-common.c (c_common_nodes_and_builtins): Provide builtin
11028 prototype & function for bcmp.
11030 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
11032 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
11033 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
11034 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
11036 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
11038 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
11039 alternative when using -fp64 -gp32.
11041 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
11043 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
11044 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
11045 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
11047 * frame.h (frame_state): Revert last change.
11048 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
11049 * libgcc2.c (throw_helper): Revert last change.
11051 2000-03-22 Richard Henderson <rth@cygnus.com>
11053 * stmt.c (expand_asm_operands): Don't promote the temporary.
11055 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
11057 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
11058 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
11059 c_get_alias_set): Likewise.
11060 * c-decl.c (duplicate_decls): Likewise.
11061 * c-typeck.c (default_conversion,build_unary_op): Likewise.
11062 * calls.c (initialize_argument_information): Likewise.
11063 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
11065 * dwarfout.c (decl_class_context,output_type): Likewise.
11066 * expr.c (get_inner_reference): Likewise.
11067 * fold-const.c (simple_operand_p,fold): Likewise.
11068 * function.c (aggregate_value_p): Likewise.
11069 * stmt.c (expand_asm_operands): Likewise.
11070 * varasm.c (named_section): Likewise.
11072 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
11074 Implement dwarf2 exception handling for the ARM.
11075 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
11076 (DWARF_FRAME_RETURN_COLUMN): Define.
11077 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
11078 REG_FRAME_RELATED_EXPR note.
11079 (emit_sfm): Likewise.
11080 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
11081 * dwarf2out.c (reg_save): Handle saving a register to itself.
11082 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
11083 * except.c (eh_regs): Don't use the static chain reg if it's
11085 * frame.h (frame_state): Add cfa_saved field.
11086 * frame.c (execute_cfa_insn): Set it.
11087 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
11089 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
11091 (instantiate_virtual_regs): Adjust.
11093 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
11094 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
11095 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
11097 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
11098 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
11100 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11102 * builtins.def: New file.
11104 * Makefile.in (TREE_H): Depend on builtins.def.
11106 * builtins.c (built_in_names): Use builtins.def.
11108 * tree.h (built_in_function): Likewise.
11110 2000-03-22 Mark Mitchell <mark@codesourcery.com>
11112 * tree.c (size_in_bytes): Return size_zero_node, not
11115 2000-03-22 Geoff Keating <geoffk@cygnus.com>
11117 * config/fp-bit.c (pack_d): Correct the case when a denormal
11118 is rounded up and stops being denormal.
11120 2000-03-21 Richard Henderson <rth@cygnus.com>
11122 * config/alpha/alpha.c (function_arg): Check for void_type_node
11123 before using MUST_PASS_IN_STACK.
11125 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
11127 * regmove.c (combine_stack_adjustments_for_block): Check that
11128 the stack pointer is a valid memory address.
11130 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
11132 * calls.c: re-install Mar 16 emit_library_call merge.
11134 2000-03-21 Jakub Jelinek <jakub@redhat.com>
11136 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
11137 we cannot be sure that if reload_completed base register will
11138 be properly aligned.
11140 2000-03-21 Richard Henderson <rth@cygnus.com>
11142 * flow.c (delete_block): Fix typo last change.
11144 2000-03-21 Mark Mitchell <mark@codesourcery.com>
11146 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
11147 not COMPLETE_TYPE_P, to check the type of the expression.
11149 2000-03-21 Michael Meissner <meissner@redhat.com>
11151 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
11152 all floating point insns that just tested the macro
11153 TARGET_HAS_XFLOATING_LIBS.
11154 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
11155 used to only use the gprs.
11157 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
11159 * tree.h (COMPLETE_TYPE_P): New macro.
11160 (COMPLETE_OR_VOID_TYPE_P): New macro.
11161 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
11162 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
11163 * c-aux-info.c (gen_type): Use them.
11164 * c-common.c (c_expand_expr_stmt): Likewise.
11165 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
11166 grokdeclarator, grokparms, finish_struct, start_function,
11167 store_parm_decls, combine_parm_decls): Likewise.
11168 * c-parse.y (cast_expr): Likewise.
11169 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
11170 c_size_in_bytes, c_alignof, build_component_ref,
11171 build_indirect_ref, build_array_ref, convert_arguments,
11172 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
11173 * calls.c (initialize_argument_information): Likewise.
11174 * convert.c (convert_to_integer): Likewise.
11175 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
11176 * dwarfout.c (location_or_const_value_attribute,
11177 output_enumeration_type_die, output_structure_type_die,
11178 output_union_type_die, output_type): Likewise.
11179 * expr.c (safe_from_p, expand_expr): Likewise.
11180 * function.c (assign_parms): Likewise.
11181 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
11182 * tree.c (build_array_type, build_function_type,
11183 build_method_type, build_offset_type, build_complex_type): Likewise.
11184 * c-parse.c, c-parse.h: Regenerated.
11186 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11188 * config/c4x/rtems.h: Include config/rtems.h.
11190 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
11192 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
11193 decl is a FUNCTION_DECL
11195 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
11197 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
11198 function uses output registers. Don't save RP for leaf functions.
11199 Do save RP even if no epilogue.
11200 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
11201 (CALL_USED_REGISTERS): Unmark in registers.
11202 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
11203 to near the middle.
11205 2000-03-20 Geoff Keating <geoffk@cygnus.com>
11207 * config/rs6000/rs6000.md (bunordered): New expander.
11208 (bordered): New expander.
11209 (buneq): New expander.
11210 (bunge): New expander.
11211 (bungt): New expander.
11212 (bunle): New expander.
11213 (bunlt): New expander.
11214 (bltgt): New expander.
11216 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
11217 (ccr_bit_negated_p): New function.
11218 (print_operand): For %C, generate appropriate cror for UNEQ,
11219 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
11221 2000-03-20 Andreas Jaeger <aj@suse.de>
11223 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
11226 * tree.h (safe_for_unsave): Prototype.
11228 2000-03-20 Richard Henderson <rth@cygnus.com>
11230 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
11231 (combine_stack_adjustments_for_block): Don't allow sp references
11232 in the side of a set we're not fixing up.
11233 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
11234 after life_analysis.
11236 2000-03-20 Richard Henderson <rth@cygnus.com>
11238 * calls.c (expand_call): Don't bother generating tail call
11239 sequences if there are pending cleanups. Use
11240 expand_start_target_temps/expand_end_target_temps to elide
11241 cleanups created during sibcall expansion.
11243 2000-03-20 Geoff Keating <geoffk@cygnus.com>
11245 * configure.in: Set $IFS to a value if it doesn't already have one
11246 in the --enable-checking handling.
11247 * configure: Regenerate.
11249 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11251 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
11252 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11255 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
11257 * jump.c (delete_noop_moves): Remove code attempting to
11258 combine stack adjustments.
11260 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11262 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
11263 * except.c (emit_cleanup_handler): Use them.
11264 (expand_end_all_catch): Likewise.
11265 * function.c (fixup_var_refs): Likewise.
11266 (expand_function_end): Clear catch_clauses_last.
11267 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
11268 * except.h (struct eh_status): New field x_catch_clauses_last.
11269 (catch_clauses_last): New define.
11271 * Makefile.in (tree.o): Depend on HASHTAB_H.
11272 * tree.c: Include hashtab.h.
11273 (struct type_hash): Remove next field.
11274 (TYPE_HASH_SIZE): Remove.
11275 (TYPE_HASH_INITIAL_SIZE): New define.
11276 (type_hash_table): Change type to htab_t.
11277 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
11278 mark_hash_entry): New functions.
11279 (init_obstacks): Allocate type hash.
11280 (type_hash_lookup): Use htab functions.
11281 (type_hash_add, mark_type_hash): Likewise.
11282 (dump_tree_statistics): Call print_type_hash_statistics.
11284 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11286 * rs6000/t-aix41: New file.
11288 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
11290 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
11292 * tm.texi (Driver): Fix typos and tweak entry for
11294 Move misplaced STRUCT_FORCE_BLK entry ...
11295 (Storage Layout): ... to here.
11296 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
11298 2000-03-19 Richard Henderson <rth@cygnus.com>
11300 * flow.c (delete_block): Delete the addr_vec along with the block.
11301 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
11304 * fold-const.c (extract_muldiv): Apply type check for defined
11305 overflow to multiply as well as divide.
11307 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
11309 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11311 * emit-rtl.c (remove_unncessary_notes): Check that all
11312 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
11313 associated NOTE_BLOCK.
11314 * function.h (identify_blocks): Update comments.
11315 (reorder_blocks): Declare.
11316 * function.c (identify_blocks): Don't take paramters.
11317 (reorder_blocks): Don't take parameters.
11318 * loop.h (find_loop_tree_blocks): Remove.
11319 (unroll_block_trees): Likewise.
11320 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
11321 reorder_blocks instead of unroll_block_trees.h
11322 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
11323 * stmt.c (find_loop_tree_blocks): Remove.
11324 (unroll_block_trees): Likewise.
11325 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
11326 in whole-function mode.
11327 * tree.h (reorder_blocks): Remove declaration.
11329 * expr.c: Include intl.h.
11330 * Makefile.in (expr.o): Depend on intl.h.
11332 2000-03-18 Richard Henderson <rth@cygnus.com>
11334 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
11336 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11338 * tree.h (tree_index): Remove enumerals for integer types.
11339 (integer_type_kind): New type.
11340 (integer_types): New variable.
11341 (char_type_node): Adjust.
11342 (signed_char_type_node): Likewise.
11343 (unsigned_char_type_node): Likewise.
11344 (short_integer_type_node): Likewise.
11345 (short_unsigned_type_node): Likewise.
11346 (integer_type_node): Likewise.
11347 (unsigned_type_node): Likewise.
11348 (long_integer_type_node): Likewise.
11349 (long_unsigned_type_node): Likewise.
11350 (long_long_integer_type_node): Likewise.
11351 (long_long_unsigned_type_node): Likewise.
11352 * tree.c (integer_types): New variable.
11353 (init_obstacks): Register it as a root.
11355 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
11357 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
11358 NEXT_INSN. Update last insn in chain.
11360 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
11362 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
11363 with TYPE_DECL_SUPPRESS_DEBUG set.
11365 2000-03-18 Richard Henderson <rth@cygnus.com>
11367 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
11369 2000-03-18 Richard Henderson <rth@cygnus.com>
11371 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
11372 care for HALF_PIC_P.
11373 (expander_call_insn_operand): Remove.
11374 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
11375 * i386.h (PREDICATE_CODES): Update.
11376 * i386.md (all call expanders): Remove predicates, remove special
11377 handling for half-pic.
11378 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
11379 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
11380 (sibcall_epilogue): New.
11382 2000-03-17 Richard Henderson <rth@cygnus.com>
11384 * rtlanal.c (single_set): Reject if the parallel has anything
11385 except SET or USE or CLOBBER.
11387 2000-03-17 Jeff Law <law@cygnus.com>
11388 Richard Henderson <rth@cygnus.com>
11390 * Makefile.in (OBJS): Add sibcall.o.
11392 * sibcall.c: New file.
11393 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
11394 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
11395 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
11396 Emit sibcall patterns when requested. Update all callers.
11397 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
11398 elimination seems feasable.
11399 * final.c (leaf_function_p): Sibling calls don't discount being
11401 * flow.c (HAVE_sibcall_epilogue): Provide default.
11402 (find_basic_blocks_1): Sibling calls don't throw.
11403 (make_edges): Make edge from sibling call to EXIT.
11404 (propagate_block): Don't remove sibcall_epilogue insns.
11405 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
11406 (sibcall_epilogue): New.
11407 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
11408 (identify_blocks_1): Likewise. Break out from ...
11409 (identify_blocks): ... here.
11410 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
11411 (reorder_blocks): ... here.
11412 (init_function_for_compilation): Zap prologue/epilogue as varrays.
11413 (record_insns): Extend a varray instead of mallocing new memory.
11414 (contains): Read a varray not array of ints.
11415 (sibcall_epilogue_contains): New.
11416 (thread_prologue_and_epilogue_insns): Emit and record
11417 sibcall_epilogue patterns.
11418 (init_function_once): Allocate prologue/epilogue varrays.
11419 * genflags.c (gen_insn): Treat sibcall patterns as calls.
11420 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
11421 Broken out from ...
11422 (save_for_inline_nocopy): ... here.
11423 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
11424 Broken out from ...
11425 (expand_inline_function): ... here.
11426 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
11427 (subst_constants): Handle 'n' formats.
11428 * jump.c (jump_optimize_minimal): New.
11429 (jump_optimize_1): New arg `minimal'; update callers. Elide most
11430 optimizations if it's set.
11431 * rtl.c (copy_rtx): Do copy jump & call for insns.
11432 * rtl.h (struct rtx_def): Document use of jump and call for insns.
11433 (SIBLING_CALL_P): New.
11434 (sibcall_use_t): New.
11435 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
11436 Invoke optimize_sibling_and_tail_recursive_calls.
11437 * tree.c (lang_safe_for_unsave): New.
11438 (safe_for_unsave): New.
11439 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
11441 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
11442 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
11443 (*sibcall_osf_1, *sibcall_value_osf_1): New.
11445 2000-03-17 Mark Mitchell <mark@codesourcery.com>
11447 * objc/objc-act.c (encode_method_prototype): Pass types, not
11448 PARM_DECLs, to int_size_in_bytes.
11450 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
11452 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
11454 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11455 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
11457 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11459 * Clean up usages of TREE_INT_CST_LOW.
11460 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
11461 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11463 * c-tree.h (min_precision): Move declaration to here.
11464 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
11465 (build_unary_op, add_pending_init): Use bit_position.
11466 (pending_init_member, process_init_element): Likewise.
11467 (really_start_incremental_init, push_init_level, pop_init_level):
11468 Don't make copies of nodes or modify them in place, use consistent
11469 types when tracking positions, and use tree routines computations.
11470 (set_init_index, output_init_element): Likewise.
11471 (output_pending_init_elements, process_init_element): Likewise.
11472 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
11473 tree_low_cst and int_bit_position; also minor cleanup.
11474 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
11475 (print_cst_octal): Precision is unsigned.
11476 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
11477 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
11478 (simple_type_align_in_bits): Result is unsigned int.
11479 Use tree_int_low_cst and host_integerp.
11480 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
11481 (field_byte_offset): Result is HOST_WIDE_INT.
11482 Change types of internal variables so alignments are unsigned int,
11483 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
11484 Use host_integerp, tree_low_cst, and int_bit_position.
11485 (add_bit_offset_attribute): Likewise.
11486 (add_data_member_location_attribute): Use tree_cst_low.
11487 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
11488 (add_bit_size_attribute): Use tree_low_cst.
11489 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
11490 * dwarfout.c: Similar changes to dwarf2out.c.
11491 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
11492 * genoutput.c (n_occurences): Return -1 for null string.
11493 (strip_whitespace): Accept null string and make into function.
11494 (scan_operands): Reflect above changes.
11495 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
11496 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
11497 * ssa.c (rename_registers): Add missing cast of arg to bzero.
11498 * tree.c (int_size_in_bytes): Check for too big to represent.
11499 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
11500 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
11502 (min_precision): Delete from here.
11503 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
11504 and int_bit_position.
11505 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
11506 (encode_method_def): Likewise.
11507 (build_ivar_list_initializer): Use int_bit_position.
11508 (generate_shared_structures): Convert size.
11509 (encode_type, encode_complete_bitfield): Use integer_zerop.
11510 (encode_bitfield): Use tree_low_cst and int_bit_position.
11512 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11514 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
11516 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11518 * call.c (special_function_p): It is only malloc if it returns
11521 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11523 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
11524 (C33_FLAG, TARGET_C3X): Add macros.
11525 (TARGET_SWITCHES): Add -m33 option.
11526 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
11528 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11530 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
11531 (PARALLEL_PACK_FLAG): Delete.
11532 (TARGET_SWITCHES): Update.
11533 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
11535 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11537 * fold-const.c (fold): Fix a few cases when the returned result
11538 is not of the same type as the input.
11540 2000-03-16 Nick Clifton <nickc@cygnus.com>
11542 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
11545 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11547 * libgcc2.h: Move prototypes above macros with the same name.
11548 Wrap some function prototypes in the conditional which indicates
11549 whether they are supported, i.e. "BITS_PER_UNIT == 8".
11551 2000-03-16 Richard Henderson <rth@cygnus.com>
11553 * calls.c: Revert last two changes.
11555 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
11557 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
11558 has exponent 0 is a zero.
11560 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
11561 HASH may already be nonzero. Add code/mode into hash value
11562 immediately after repeat label.
11563 (cselib_lookup): Don't leave the hash table in an inconsistent
11564 state before a hash lookup operation.
11566 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
11568 * i386.md (all HI and QI mode non-move patterns): Conditionize
11569 by TARGET_[HQ]IMODE_MATH.
11570 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11571 x86_promote_qi_regs): Declare.
11572 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
11573 TARGET_PROMOTE_QI_REGS): New macros.
11574 (PROMOTE_MODE): New macro.
11575 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11576 x86_promote_qi_regs): New global variables.
11578 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
11580 * calls.c (emit_library_call_value_1): Break out from ...; handle
11581 VOIDmode function calls too.
11582 (emit_library_call_value): ... here.
11583 (emit_library_call): Implement by calling emit_library_call_value_1.
11585 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
11587 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
11588 Update arg_space_so_far on stack adjustments.
11589 (emit_library_call, emit_library_call_value): Likewise; take into
11590 account arg_space_so_far and pending_stack_adjust when calculcating
11593 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
11595 * flow.c: Move all basic block reordering code into its own file.
11596 (create_basic_block): Externalize.
11597 * bb-reorder.c: New file. Copy all basic block reordering code from
11598 flow.c to this file.
11599 (reorder_basic_blocks): Fix fencepost error in for-loop.
11600 (reorder_basic_blocks): Remove braces from single statement for-loops.
11601 * basic-block.h: Add declaration for create_basic_block.
11602 * Makefile.in: Add rules for bb-reorder.o.
11604 2000-03-16 Neil Booth <NeilB@earthling.net>
11606 * cppinit.c (handle_option): Implement #unassert directive
11607 as -A- command line option.
11608 (print_help): Update.
11609 * cpptexi.c: Update.
11611 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
11613 * md.texi (Standard Names): Document `jump'.
11615 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11617 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
11620 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11622 Merge changes from newppc-branch onto trunk.
11624 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11626 * rs6000.c (toc_hash_table): Update for new hash table functions.
11627 (toc_hash_function): Likewise.
11628 (toc_hash_eq): Likewise.
11629 (toc_hash_mark_entry): Likewise.
11630 (toc_hash_mark_table): Likewise.
11631 (output_toc): Likewise.
11632 (rs6000_add_gc_roots): Likewise.
11634 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11636 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
11637 (AR_FLAGS_FOR_TARGET): here. New macro.
11639 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
11641 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
11642 fpmem_operand) Delete.
11644 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
11645 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
11646 (rs6000_save_machine_status, rs6000_restore_machine_status,
11647 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
11648 references to above variables.
11649 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
11650 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
11651 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
11652 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
11653 (XER_REGNO_P, XER_REGNO): New.
11654 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
11655 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
11656 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
11658 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
11659 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
11660 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
11662 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11664 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
11665 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
11666 * rs6000.h: from here.
11668 * rs6000-protos.h (rs6000_select_section): Provide prototype.
11669 (rs6000_select_rtx_section): Likewise.
11670 (rs6000_encode_section_info): Likewise.
11671 (sdata_section): Likewise.
11672 (sdata2_section): Likewise.
11673 (sbss_section): Likewise.
11674 * sysv4.h (rs6000_select_section): Delete prototype.
11675 (rs6000_select_rtx_section): Likewise.
11676 (rs6000_encode_section_info): Likewise.
11677 (sdata_section): Likewise.
11678 (sdata2_section): Likewise.
11679 (sbss_section): Likewise.
11680 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
11682 * sysv4.h: Delete various unnecessary #undef's and put a comment
11683 on the remaining ones.
11684 Change various comments according to coding standard.
11686 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
11688 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
11689 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
11690 (CR0_REGNO_P) Remove.
11691 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
11692 setup_incoming_varargs, mtcrf_operation, print_operand,
11693 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
11694 Use the above macros.
11696 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
11698 * config/rs6000/rs6000.md: Added a new alternative for each
11699 pattern that had a 'x' alternative but no 'y' alternative.
11700 Added a new split for each of the above patterns.
11702 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11704 * aix41.h (ASM_CPU_SPEC): Delete.
11705 (CPP_CPU_SPEC): Delete.
11707 * aix.h (RS6000_OUTPUT_BASENAME): Define.
11708 (ASM_OUTPUT_LABEL): Define.
11709 (ASM_GLOBALIZE_LABEL): Define.
11710 (STRIP_NAME_ENCODING): Define.
11711 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
11712 (STRIP_NAME_ENCODING): Don't define.
11713 (ASM_OUTPUT_LABEL): Don't define.
11714 (ASM_GLOBALIZE_LABEL): Don't define.
11715 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
11716 names, and ASM_OUTPUT_LABEL to output labels, rather than
11718 (ASM_OUTPUT_LABEL): Define.
11719 (ASM_OUTPUT_INT): Use assemble_name.
11720 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
11721 (STRIP_NAME_ENCODING): Don't undefine first.
11722 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
11724 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
11725 specified with 'asm' even with -fleading-underscore.
11726 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
11727 (output_epilog): Likewise.
11728 (output_toc): Likewise.
11729 * tramp.asm: Handle -fleading-underscore correctly.
11731 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
11733 (nonlocal_goto_receiver): Delete.
11734 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
11736 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
11737 (SET_ASM_OP): Define.
11738 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
11740 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
11741 (ASM_LONG): Define.
11743 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
11744 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
11746 * rs6000.h: Add 'u' to more constants.
11748 2000-02-18 David Edelsohn <edelsohn@gnu.org>
11750 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
11752 2000-02-15 David Edelsohn <edelsohn@gnu.org>
11754 * rs6000.c (reg_or_u_cint_operand): New function.
11755 (logical_operand): Handle 64-bit hosts.
11756 (logical_u_operand): New function.
11757 (non_logical_cint_operand): Handle 64-bit hosts.
11758 (non_logical_u_cint_operand): New function.
11759 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
11760 (PREDICATE_CODES): Define new functions.
11761 * rs6000-protos.h: Declare new functions.
11762 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
11763 (movdi_64): Bracket code intended for 64-bit hosts. Create
11764 CONST_DOUBLE for 32-bit values.
11765 (scc insns): Generate DImode compares.
11766 (mfcr insns): Create DImode versions.
11767 (sge matchers): New patterns.
11769 2000-02-15 Gabriel Paubert <paubert@iram.es>
11771 * rs6000.md: Correct instructions length attributes and
11772 constraints on unsigned compare instructions.
11773 (*ne0): Disable for PowerPC64.
11775 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11777 * rs6000.c (output_function_profiler): Use .long for a 32-bit
11778 quantity, fix profile1.C test failure under -fPIC.
11780 * rs6000.c: Add 'u' to many constants to suppress warnings.
11781 (constant_pool_expr_1): Make static.
11782 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
11783 * rs6000.h: Add 'u' to many constants to suppress warnings.
11785 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
11786 for the start of the TOC, instead of LCTOC..0.
11787 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
11789 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
11790 (load_toc_aix_di): Use LCTOC..1.
11792 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
11793 * rs6000.c (rs6000_legitimize_address): New function from
11794 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
11795 symbols in the constant pool that really are TOC references.
11796 (print_operand_address): For ELF, write TOC offsets under
11797 -fPIC as subtractions in the insn.
11798 (output_toc): For ELF, define symbols in TOC as normal labels,
11800 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
11801 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
11802 (create_TOC_reference): Prototype only when RTX_CODE is defined.
11803 * rs6000.md (movsi): Only use create_TOC_reference on
11804 symbols in the constant pool that really are TOC references.
11806 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
11807 * rs6000.c (rs6000_reorg): Delete.
11808 * rs6000-protos.h (rs6000_reorg): Delete.
11810 2000-02-09 Geoff Keating <geoffk@cygnus.com>
11812 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
11814 * aix.h (SETUP_FRAME_ADDRESSES): Define.
11815 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
11816 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
11817 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
11818 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
11819 rs6000_aix_emit_builtin_unwind_init.
11820 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
11821 rs6000_emit_eh_toc_restore on AIX.
11822 (return_eh_si): Use r2.
11823 (return_eh_di): Use r2.
11825 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
11826 since we're breaking binary compatibility anyway.
11828 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11830 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
11831 constant_pool_expr_p): Declare them.
11832 (constant_pool_expr_p): Declare it.
11833 * config/rs6000/rs6000.c (toc_label_name): Define.
11834 (rs6000_override_options): Set toc_label_name.
11835 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
11836 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
11837 uses_TOC): New functions.
11838 (print_operand): Delete old '*' case.
11839 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
11840 and strip off rtl for TOC before calling output_addr_const.
11841 (rs6000_emit_load_toc_table): Use toc_label_name.
11842 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
11844 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
11845 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
11846 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
11847 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
11848 into explicit TOC_REGISTER offsets.
11849 (TOC_REGISTER): New macro.
11850 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
11851 TARGET_TOC to reference TOC_REGISTER.
11852 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
11853 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
11854 uses_TOC before emitting label references.
11856 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11858 * rs6000.md (stack_tie): Fix warning.
11860 * eabi-ctors.c: Use 'asm' names for the start/end variables,
11861 to handle -fleading-underscore.
11862 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
11863 (USER_LABEL_PREFIX): New macro.
11864 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
11865 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
11866 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
11867 call-linux can use the same multilibs.
11868 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
11869 and call-linux multilibs. Do multilib with -fleading-underscore.
11870 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
11871 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
11874 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
11875 have MASK_SOFT_FLOAT set.
11876 (CPP_FLOAT_DEFAULT_SPEC): New macro.
11877 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
11878 CPP_FLOAT_DEFAULT_SPEC.
11880 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
11881 * rs6000.md: Whitespace change.
11882 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
11883 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
11885 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11887 * rs6000.md (eh_epilogue): New expander.
11888 (eh_reg_restore): New expand/split/insn combination.
11889 (return_eh_si): New insn.
11890 (return_eh_di): New insn.
11892 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
11893 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
11894 * eabi-ctors.c (__do_global_ctors): Register this object's
11895 frame. Clean up. Call atexit() after the constructors.
11896 (__do_global_dtors): Deregister this object's frame. Clean up.
11897 Allow for recursive calls to exit().
11898 * rs6000.c (fixuplabelno): New variable.
11899 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
11900 TARGET_RELOCATABLE, it slows down exec() under linux.
11901 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
11903 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
11904 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
11905 (ASM_OUTPUT_DWARF_DELTA2): New macro.
11906 (ASM_OUTPUT_DWARF_DELTA4): New macro.
11907 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
11908 (ASM_OUTPUT_DWARF_ADDR): New macro.
11909 (ASM_OUTPUT_DWARF_DATA4): New macro.
11910 (ASM_OUTPUT_DWARF_DATA2): New macro.
11911 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
11912 (ASM_OUTPUT_DWARF_OFFSET): New macro.
11913 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
11915 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11917 * rs6000.c (rs6000_sr_alias_set): New variable.
11918 (rs6000_override_options): Initialise rs6000_sr_alias_set.
11919 (rs6000_emit_stack_tie): New function.
11920 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
11921 in a way that dwarf2out can understand.
11922 (rs6000_frame_related): New function.
11923 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
11924 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
11925 Use rs6000_emit_stack_tie when needed.
11926 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
11927 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
11928 * rs6000.md (stack_tie): New insn.
11929 (return_internal_si): Allow return value to be in the count
11931 (return_internal_di): Likewise.
11933 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
11935 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11937 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
11939 2000-01-31 Geoff Keating <geoffk@cygnus.com>
11941 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
11943 * rs6000.md (stmw): Use the right POWER opcode.
11946 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11948 * rs6000-protos.h: New file.
11950 * rs6000.c: Include tm_p.h. Fix compile time warnings.
11952 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
11955 * sysv4.h: Likewise.
11957 2000-01-28 Geoff Keating <geoffk@cygnus.com>
11959 * ../../configure.in: Delete powerpcle-*-winnt*
11960 and powerpcle-*-pe|powerpcle-*-cygwin*.
11961 * ../../configure: Regenerated.
11962 * cygwin.h: Delete.
11963 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
11964 (TARGET_WINDOWS_NT): Delete.
11966 (CALL_NT_DLLIMPORT): Delete.
11967 Delete NT-specific code.
11968 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
11969 * win-nt.h: Delete.
11971 * nt-ci.asm: Delete.
11972 * nt-cn.asm: Delete.
11973 * ntstack.asm: Delete.
11975 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11977 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
11978 (ASM_FILE_START): Likewise.
11979 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11980 (ASM_OUTPUT_LABELREF): Likewise.
11981 (ASM_OUTPUT_SKIP): Likewise.
11982 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
11983 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11984 (ASM_OUTPUT_CASE_LABEL): Likewise.
11985 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
11986 (ASM_OUTPUT_ASCII): Likewise.
11988 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
11990 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
11991 reload_toc_labelno for non-prologue TOC reloads. Also, don't
11992 increment rs6000_pic_labelno here.
11993 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
11994 and increment rs6000_pic_labelno here.
11996 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
11998 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
11999 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
12000 allocation knows (reg) is dead before the insn.
12002 2000-01-21 Geoff Keating <geoffk@cygnus.com>
12004 * rs6000.md (movsi_to_cr): Correct typo in output template.
12006 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
12008 * rs6000.c (rs6000_pic_labelno): Always define.
12009 (rs6000_pic_func_labelno): Delete.
12010 (lmw_operation): Check for a zero base register,
12011 which doesn't mean what we want.
12012 (stmw_operation): New function.
12013 (print_operand): Define new 'l' modifier.
12014 (rs6000_stack_info): We must save all 64 bits of the registers
12015 if TARGET_POWERPC64.
12016 (rs6000_output_load_toc_table): Delete.
12017 (rs6000_emit_load_toc_table): New function.
12018 (rs6000_allocate_stack_space): Delete.
12019 (rs6000_emit_allocate_stack): New function.
12020 (rs6000_emit_prologue): New function.
12021 (output_prolog): Use rs6000_emit_prologue.
12022 (rs6000_emit_epilogue): Change a few variable names to be
12023 more accurate. Restore all 64 bits of the registers if
12024 TARGET_POWERPC64. Only restore the FP registers which were used
12025 if they are being saved/restored one-at-a-time.
12026 (output_mi_thunk): Delete inefficient code generation.
12027 (output_function_profiler): Don't use rs6000_output_load_toc_table.
12028 * rs6000.h: Declare rs6000_emit_load_toc_table,
12029 rs6000_allocate_stack_space, stmw_operation. Don't declare
12030 rs6000_output_load_toc_table.
12031 * rs6000.md (elf_high): Allow register 0, but discourage it
12033 (elf_low): Support loading into register 0.
12034 (load_toc_aix_si): New pattern.
12035 (load_toc_aix_di): New pattern.
12036 (load_toc_v4_pic_si): New pattern.
12037 (load_toc_v4_pic_di): New pattern.
12038 (load_toc_v4_PIC_1): New pattern.
12039 (load_toc_v4_PIC_1b): New pattern.
12040 (load_toc_v4_PIC_2): New pattern.
12041 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
12042 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
12043 (prologue): New expander.
12044 (movesi_from_cr): New pattern.
12045 (stmw): New pattern.
12046 (save_fpregs_si): New pattern.
12047 (save_fpregs_di): New pattern.
12049 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12051 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
12056 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12058 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
12060 (movsi_got_internal): Likewise.
12061 (movsi_got_internal+1): Likewise.
12062 (set_sp): 'unspec 7' does a SImode clobber.
12064 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12066 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
12067 allocate a stack temporary.
12068 (floatsidf2_internal): Likewise.
12069 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
12071 (floatunssidf2): Don't use the fpmem "register", just
12072 allocate a stack temporary.
12073 (floatunssidf2_internal): Likewise.
12074 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
12076 (floatsidf2_loadaddr): Delete.
12077 (floatsidf2_store1): Delete.
12078 (floatsidf2_store2): Delete.
12079 (floatsidf2_load): Delete.
12080 (fix_truncdfsi2): Don't use the fpmem "register", just
12081 allocate a stack temporary.
12082 (fix_truncdfsi2_internal_si): Delete.
12083 (fix_truncdfsi2_internal_di): Delete.
12084 (fix_truncdfsi2_internal): New insn.
12085 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
12086 (fix_truncdfsi2_store): Delete.
12087 (fix_truncdfsi2_load): Delete.
12088 (fctiwz): Produce gen_fctiwz.
12090 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
12092 * eabi.h (INVOKE__main): Define.
12093 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
12095 (rs6000_emit_prologue): Likewise.
12096 * rs6000.h (struct rs6000_stack): Don't keep track of whether
12097 this is the main program.
12099 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12101 * rs6000.c (rs6000_va_arg): Delete some unused variables.
12103 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12105 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
12106 goes after the argument.
12108 2000-01-12 Geoff Keating <geoffk@cygnus.com>
12110 * rs6000.md: Document 'unspec' values used.
12111 (epilogue): New expander.
12112 (movesi_to_cr_one): New expander.
12113 (movesi_to_cr and following): New pattern.
12114 (lmw): New pattern.
12115 (return_internal_si): New pattern.
12116 (return_internal_di): New pattern.
12117 (return_and_restore_fpregs_si): New pattern.
12118 (return_and_restore_fpregs_di): New pattern.
12119 * rs6000.h: Declare new functions.
12120 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
12121 rather than rs6000_calls_p.
12122 (rs6000_makes_calls): Delete.
12123 (lmw_operation): New function.
12124 (mtcrf_operation): New function.
12125 (rs6000_emit_epilogue): New function.
12126 (output_epilog): Call rs6000_emit_epilogue and final if
12127 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
12129 2000-01-12 Geoff Keating <geoffk@cygnus.com>
12131 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
12132 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
12133 * aix.h (SUBTARGET_SWITCHES): Document switches.
12134 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
12135 sched-prolog and sched-epilog the same. Document all the
12137 (TARGET_OPTIONS): No longer allow -mdebug-.
12139 2000-01-12 Geoff Keating <geoffk@cygnus.com>
12141 * rs6000.h (ASM_FILE_END): Move to aix.h.
12142 (EXTRA_SECTIONS): Move to aix.h.
12143 (READONLY_DATA_SECTION): Move to aix.h.
12144 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
12145 (SELECT_SECTION): Move to aix.h.
12146 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
12147 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
12148 (LINK_REGISTER_REGNUM): New definition.
12149 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
12150 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
12152 * sysv4.h: Delete the code between the inclusion of rs6000.h
12154 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
12155 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
12156 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
12157 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
12158 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
12159 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
12160 (fix_truncdfsi2_internal_di): New pattern.
12161 (fix_truncdfsi2_store): The second arg here is Pmode too.
12162 (fix_truncdfsi2_load): The second arg here is Pmode too.
12163 (tablejumpdi): Now that switch tables hold only SImode values,
12164 gcc needs to know how to add them to the pc which is DImode.
12165 * rs6000.c (rs6000_stack_info): Use symbolic name for
12166 LINK_REGISTER_REGNUM.
12167 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
12168 (output_toc): Delete unused variables s1 and s2.
12169 (output_ascii): Use fputs not fprintf on a variable string.
12171 2000-01-07 David Edelsohn <edelsohn@gnu.org>
12173 * rs6000.c (processor_target_table): Add power3 as alias for 630.
12174 * aix43.h: Revert Aug 2 change.
12175 (HAS_INIT_SECTION): Define, not visible yet.
12176 (LD_INIT_SWITCH): Define, not visible yet.
12177 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
12179 2000-01-04 Joel Sherrill (joel@OARcorp.com>
12181 * config/rs6000/rtems.h: Include config/rtems.h.
12183 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12185 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
12186 (SLOW_UNALIGNED_ACCESS): Define.
12187 (CASE_VECTOR_MODE): Always use 32-bit offsets.
12188 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
12189 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
12190 (toc_section): Likewise and .toc pseudo-op.
12191 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
12193 (TEXT_SECTION_ASM_OP): Likewise.
12194 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
12197 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12199 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
12200 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12203 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12205 * rs6000.h: Move more stuff from here...
12207 * sysv4.h: Cleanup accordingly.
12208 * netware.h: Likewise
12210 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12212 * rs6000.h: Continue cleanup.
12214 * lynx.h: Likewise.
12215 * netware.h: Likewise.
12216 * sol2.h: Likewise.
12217 * sysv4.h: Likewise.
12218 * win-nt.h: Likewise.
12220 * rs6000.h (TARGET_SWITCHES): Add descriptions.
12221 (TARGET_OPTIONS): Likewise.
12223 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
12224 (SUBTARGET_OPTIONS): Likewise.
12226 * rs6000.md: Fix compile time warnings.
12228 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12230 vxworks patches from the Cygnus tree originally by
12231 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
12232 <vmakarov@cygnus.com>.
12233 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
12234 (ENDFILE_SPEC): Likewise.
12235 (LIB_VXWORKS_SPEC): New macro.
12236 (STARTFILE_VXWORKS_SPEC): New macro.
12237 (ENDFILE_VXWORKS_SPEC): New macro.
12238 (LINK_START_VXWORKS_SPEC): New macro.
12239 (LINK_OS_VXWORKS_SPEC): New macro.
12240 (CPP_OS_VXWORKS_SPEC): New macro.
12241 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
12242 * vxppc.h: Rewrite to use proper configuration method.
12243 * vxppcle.h: New file.
12244 * ../../configure.in: Add powerpcle-wrs-vxworks*.
12245 * ../../configure: Rebuilt.
12247 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12249 Lots of changes to rs6000.h, sysv4.h, aix.h,
12250 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
12251 with the aim that rs6000.h is the first header
12252 included and the others override it.
12255 * x-aix41-gld: Remove.
12257 * x-aix41: Remove target-specific switches, and don't specify
12258 -Wl,-bbigtoc as we don't need it any more.
12259 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
12260 Use t-aix43 for AIX 4.3 and above.
12261 * ../../configure: Regenerated.
12263 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
12264 options, that don't do anything yet.
12265 (MASK_SCHED_PROLOG): New macro.
12266 (MASK_SCHED_EPILOG): New macro.
12267 (TARGET_SCHED_PROLOG): New macro.
12268 (TARGET_SCHED_EPILOG): New macro.
12270 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12272 * rs6000.c: Correct comment, the `minimal' TOCs are actually
12273 one per translation unit, not one per function.
12274 (output_toc): Also do duplicate constant elimination
12275 for per-translation-unit TOCs.
12277 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
12278 a comment explaining _exactly_ when this pattern gets used.
12279 (builtin_setjmp_receiver): New pattern for better clarity.
12280 (init_v4_pic): Move it into a section dealing with TOC registers.
12282 1999-12-30 Geoff Keating <geoffk@cygnus.com>
12284 * rs6000.c (toc_hash_table): New variable.
12285 (rs6000_hash_constant): New function.
12286 (toc_hash_function): New function.
12287 (toc_hash_eq): New function.
12288 (toc_hash_mark_entry): New function.
12289 (toc_hash_mark_table): New function.
12290 (output_toc): Don't output duplicate TOC entries in
12292 (rs6000_add_gc_roots): Add the hash table as a GC root.
12293 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
12294 where they clearly shouldn't be. This may need to be fixed
12295 later when there is a GNU ar for AIX.
12296 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
12297 Don't define BOOT_LDFLAGS as it is now not necessary.
12299 1999-12-29 Geoff Keating <geoffk@cygnus.com>
12301 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
12302 for va_list on AIX. Use unsigned_char_type_node rather than
12303 constructing our own version on svr4.
12305 1999-12-17 Geoff Keating <geoffk@cygnus.com>
12307 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
12308 since patently it's not.
12310 1999-12-08 Geoff Keating <geoffk@cygnus.com>
12312 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
12313 define_expand/define_insn pair, and handle restore of the
12314 SVR4 -fpic register.
12316 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
12318 * acconfig.h (HAVE_GAS_WEAK): New define.
12319 * configure.in (assembler weak support): Check for .weak support.
12320 * config.in, configure: Rebuilt.
12321 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
12322 HAVE_GAS_WEAK is defined.
12324 2000-03-15 Nick Clifton <nickc@cygnus.com>
12326 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
12329 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
12331 * cppfiles.c (open_include_file): New function.
12332 (find_include_file, cpp_read_file): Use it.
12334 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
12336 * cpphash.c (dump_hash_helper): Take the slot, not the element.
12338 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
12340 * flow.c (verify_flow_info): Check for unconditional return.
12342 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
12344 * config/ia64/ia64.md (restore_stack_nonlocal): New.
12345 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
12346 (__ia64_restore_stack_nonlocal): New.
12347 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
12349 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12351 * cpphash.c (collect_formal_parameters): Do not complain about
12352 parameter names that just start with `__VA_ARGS__'.
12354 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
12356 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
12357 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
12358 * i386.c (pentiumpro_cost): Set mul cost to 4.
12359 (x86_use_movx): Set for PPro.
12361 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
12363 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
12364 STACK_BOUNDARY for empty frames now.
12366 2000-03-14 Mark Mitchell <mark@codesourcery.com>
12368 * stor-layout.c (layout_union): Remove.
12369 (layout_union_field): New function, split out from layout_union.
12370 (finish_union_layout): Likewise.
12371 (layout_field): Handle unions by calling layout_union_field.
12372 (finish_record_layout): Handle unions.
12373 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
12374 QUAL_UNION_TYPE handling.
12376 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
12378 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
12379 end of basic block is jump_insn, not barrier; use create_basic_block
12380 instead of creating basic block by hand.
12382 2000-03-14 Jason Eckhardt <jle@cygnus.com>
12384 * flow.c (reorder_basic_blocks): Account for barriers when writing
12385 over NEXT_INSN (last_bb->end).
12386 (verify_flow_info): Add check for missing barriers.
12388 2000-03-14 Greg McGary <gkm@gnu.org>
12390 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
12391 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
12392 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
12393 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
12394 __unbounded, __unbounded__): New keywords.
12395 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
12396 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
12397 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
12399 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
12401 * cselib.h: New file.
12402 * alias.c: Include "cselib.h".
12403 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
12404 MEMs as two new arguments.
12405 (get_addr): New static function.
12406 (find_base_term): Handle VALUEs.
12407 (memrefs_conflict_p): Likewise.
12408 (true_dependence): Call get_addr on the addresses.
12409 Call fixed_scalar_and_varying_struct_p with addresses that have been
12410 passed through get_addr and canon_rtx.
12411 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
12412 with true_dependence.
12413 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
12414 * loop.c: Include "cselib.h".
12415 (load_mems): Process extended basic block that enters the loop with
12416 cselib. Use that information to change initialization of the shadow
12417 register so that a constant equivalence is seen by later passes.
12418 * reload1.c: Include "cselib.h".
12419 (reload_cse_invalidate_regno): Delete function.
12420 (reload_cse_mem_conflict_p): Likewise.
12421 (reload_cse_invalidate_mem): Likewise.
12422 (reload_cse_invalidate_rtx): Likewise.
12423 (reload_cse_regno_equal_p): Likewise.
12424 (reload_cse_check_clobber): Likewise.
12425 (reload_cse_record_set): Likewise.
12426 (reg_values): Delete static variable.
12427 (invalidate_regno_rtx): Likewise.
12428 (reload_cse_delete_noop_set): New static function.
12429 (reload_cse_simplify): New static function, broken out of
12431 (reload_cse_noop_set_p): Delete unused argument INSN.
12432 Just call rtx_equal_for_cselib_p on set source and destination.
12433 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
12434 reload_cse_delete_noop_set. Delete code to keep track of values; use
12435 cselib functions instead. Delete code to push/pop obstacks.
12436 (reload_cse_simplify_set): Use cselib to find equivalent values.
12437 Delete code to push/pop obstacks.
12438 (reload_cse_simplify_operands): Likewise.
12439 * rtl.def (VALUE): New rtx code.
12440 * rtl.h (union rtunion_def): New elt rt_cselib.
12441 (X0CSELIB, CSELIB_VAL_PTR): New macros.
12442 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
12443 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
12444 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
12445 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
12446 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
12447 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
12448 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
12449 cselib_record_set, cselib_record_sets): New static functions.
12450 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
12451 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
12452 references_value_p): New functions.
12453 (MAX_USELESS_VALUES, REG_VALUES): New macros.
12454 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
12455 n_useless_values, reg_values, callmem, cselib_obstack,
12456 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
12457 New static variables.
12458 * varray.h (union varray_data_tag): New elt te.
12459 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
12460 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
12463 2000-03-14 Nick Clifton <nickc@cygnus.com>
12465 * gcc.c (do_spec_1): Catch the case where %* is used in a
12466 substitution pattern, but it has not been initialised.
12467 Issue a meaningful error message if an unrecognised operator
12468 is encountered in a spec string.
12470 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
12472 * function.c (prepare_function_start): Correctly initialize
12473 cfun->stack_alignment_needed.
12475 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
12477 * cppfiles.c (find_include_file): Don't assume nshort is a
12480 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
12482 * configure.in (hppa configurations): Add pa32-regs.h to the
12483 list of tm files as appropriate.
12484 * configure: Rebuilt.
12485 * pa.c (compute_frame_size): Remove explicit knowledge about FP
12486 register numbering.
12487 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12488 (fmpyaddoperands, fmpysuboperands): Likewise.
12489 * pa.h: Remove various definitions which depend on knowing
12490 how registers are numbered.
12491 * pa32-regs.h: New file with PA32 register numbering specific
12494 2000-03-14 Richard Henderson <rth@cygnus.com>
12496 * regmove.c (combine_stack_adjustments): New.
12497 (stack_memref_p, single_set_for_csa): New.
12498 (free_csa_memlist, record_one_stack_memref): New.
12499 (try_apply_stack_adjustment): New.
12500 (combine_stack_adjustments_for_block): New.
12501 * rtl.h (combine_stack_adjustments): Declare.
12502 * toplev.c (rest_of_compilation): Call it.
12504 * i386.md: Revert 2000-01-16 change.
12506 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12508 * gccbug.in: Add web category, gcc specific classes.
12510 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
12512 * stor-layout.c (finalize_record_size): Fix typo.
12514 2000-03-14 Stan Shebs <shebs@apple.com>
12516 * c-typeck.c (c_alignof): Error on incomplete types.
12517 * extend.texi (Alignment): Document this.
12519 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12521 * cppfiles.c: Include mkdeps.h.
12522 (find_include_file, read_include_file): Remove _cpp_ prefix
12523 from name, make static.
12524 (_cpp_execute_include): New function, broken out of
12527 * cpplib.c: Don't include mkdeps.h.
12528 (struct directive): Remove type field. Reorder entries. The
12529 function takes only one argument.
12530 (struct if_stack): Make type field an int.
12531 (directive_table): Rename to dtable. Generate it, the
12532 prototypes of the directive handlers, and the enum for the
12533 directive numbers, from a template macro.
12534 (do_ifndef, do_include_next, do_import): New functions.
12535 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
12536 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
12537 do_ident, do_assert, do_unassert, do_sccs): Take only one
12539 (do_sccs): Define always, but alter behavior based on
12541 (_cpp_handle_directive, consider_directive_while_skipping):
12542 Restructure for new directive table layout.
12544 (pass_thru_directive): Take a directive number, not a pointer
12545 to a struct directive.
12546 (parse_include): New function, broken out of do_include.
12547 (do_include, do_import, do_include_next): Use parse_include
12548 and _cpp_execute_include.
12549 (do_elif, do_else): Test for T_ELSE specifically when checking
12550 for #elif/#else after #else.
12551 (parse_ifdef): New function, broken out of do_ifdef.
12552 (validate_else): Expect a name arg without a leading #.
12553 (if_directive_name): Delete.
12554 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
12555 directive handlers with only one argument.
12557 * cpphash.h: Update prototypes.
12558 (enum node_type): Remove entries for directives.
12559 * Makefile.in: Update dependencies.
12561 * cpphash.c (dump_hash_helper): Only dump nodes of type
12562 T_MACRO. Emit a newline after each definition.
12564 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12566 * gccbug.in: New file.
12567 * configure.in (all_outputs): Add gccbug.
12568 * Makefile.in (install-common): Install gccbug.
12569 (GCCBUG_INSTALL_NAME): New variable.
12570 * configure: Rebuilt.
12572 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12574 * function.c (put_var_into_stack): Use type_for_mode to calculate
12575 part_type. Use MEM_SET_IN_STRUCT_P.
12576 * expr.c (store_field): Handle CONCAT.
12577 (store_constructor): Use fields_length.
12578 * tree.c (fields_length): New fn.
12579 * tree.h: Declare it.
12581 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12583 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
12584 (cpplex.o): New target.
12585 * po/POTFILES.in: Add cpplex.c.
12587 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
12588 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
12589 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
12590 skip_block_comment, skip_line_comment, skip_comment,
12591 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
12592 _cpp_parse_name, skip_string, parse_string,
12593 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
12594 _cpp_get_directive_token, find_position,
12595 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
12596 (maybe_macroexpand, _cpp_lex_token): New functions.
12598 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
12599 parse_goto_mark): Delete.
12600 (_cpp_handle_eof): New function.
12601 (_cpp_handle_directive): Rename from handle_directive.
12602 (_cpp_output_line_command): Rename from output_line_command.
12603 (do_if, do_elif): Call _cpp_parse_expr directly.
12604 * cppfiles.c (_cpp_read_include_file): Don't call
12605 init_input_buffer here.
12606 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
12607 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
12608 here; pop the token_buffer and skip the rest of the line here.
12609 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
12612 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
12614 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
12615 CPP_GOTO_MARK): New macros.
12616 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
12617 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
12618 _cpp_read_and_prescan, _cpp_init_input_buffer,
12619 _cpp_grow_token_buffer, _cpp_get_directive_token,
12620 _cpp_handle_directive, _cpp_handle_eof,
12621 _cpp_output_line_command): Prototype them here.
12622 * cpplib.h (enum cpp_token): Add CPP_MACRO.
12623 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
12624 quote_string, output_line_command): Remove.
12626 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
12628 * stmt.c (expand_end_case): RANGE may be signed, and when checking
12629 whether it is too large we must also verify that it isn't negative.
12631 2000-03-13 Jakub Jelinek <jakub@redhat.com>
12633 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
12634 (movsi_zero_liveg0): Remove.
12635 (movsf_insn_novis_liveg0): Remove.
12637 (negsi2_not_liveg0): Rename to negsi2.
12638 (one_cmplsi2): Remove.
12639 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
12640 (one_cmplsi2_liveg0): Remove.
12641 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
12642 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
12643 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
12644 (PREDICATE_CODES): Remove zero_operand.
12645 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
12646 TARGET_BROKEN_SAVERESTORE.
12647 (zero_operand): Remove.
12648 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
12649 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
12651 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
12652 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12653 TARGET_BROKEN_SAVERESTORE): Remove.
12654 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12656 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12658 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12661 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
12663 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12665 * cpplib.c (do_pragma_implementation): Fix off-by-one error
12666 truncating a string. Don't assume tokens are nul terminated.
12667 Problem noted by Andreas Jaeger <aj@suse.de>
12669 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12671 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
12672 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
12673 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
12675 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
12677 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
12678 STRUCTURE_SIZE_BOUNDARY.
12680 2000-03-13 Mark Mitchell <mark@codesourcery.com>
12682 * tree.h (record_layout_info_s): New structure.
12683 (record_layout_info): New type.
12684 (new_record_layout_info): New function.
12685 (layout_field): Likewise.
12686 (finish_record_layout): Likewise.
12687 * stor-layout.c (layout_record): Remove.
12688 (new_record_layout_info): New function.
12689 (layout_field): New function, broken out from layout_record.
12690 (finalize_record_size): Likewise.
12691 (compute_record_mode): Likewise.
12692 (finalize_type_size): New function, broken out from layout_type.
12693 (finish_record_layout): Likewise.
12694 (layout_type): Use them.
12696 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12698 * cpphash.c: Don't include version.h.
12699 (special_symbol) [case T_VERSION]: Look for the string in
12700 hp->value.cpval; don't use version_string.
12701 * cppinit.c (initialize_builtins): Set hp->value.cpval for
12702 __VERSION__ to version_string.
12703 * Makefile.in (cpphash.o): Update deps.
12705 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12707 Convert cpplib to use libiberty/hashtab.c.
12709 * cpplib.h (struct cpp_reader): Make hashtab and
12710 all_include_files of type 'struct htab *'. Delete HASHSIZE
12711 and ALL_INCLUDE_HASHSIZE macros.
12713 * cpphash.h: Update prototypes.
12714 (struct hashnode): Remove next, prev, and bucket_hdr members.
12715 Make length a size_t. Add hash member.
12716 (struct ihash): Remove next member. Add hash member. Make
12717 name a flexible array member.
12719 * cppfiles.c: Include hashtab.h.
12720 (include_hash): Delete.
12721 (IHASHSIZE): New macro.
12722 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
12723 (cpp_included): Do the hash lookup here.
12724 (_cpp_find_include_file): Rewrite.
12725 (cpp_read_file): Put the "fake" hash entry into the hash
12726 table. Honor the control_macro, if it turns out we've seen
12727 the file before. Don't push the buffer here.
12728 (_cpp_read_include_file): Push the buffer here.
12729 (OMODES): New macro. Use it whenever we call open(2).
12731 * cpphash.c: Include hashtab.h.
12732 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
12733 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
12734 _cpp_lookup_slot): New functions.
12735 (HASHSIZE): new macro.
12736 (hashf, _cpp_install, _cpp_delete_macro): Delete.
12737 (_cpp_lookup): Use hashtab.h routines.
12739 * cppinit.c: Include hashtab.h.
12740 (cpp_reader_init): Call _cpp_init_macro_hash and
12741 _cpp_init_include_hash. Don't allocate hashtab directly.
12742 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
12743 pfile->all_include_files.
12744 (initialize_builtins): Use _cpp_make_hashnode and
12745 htab_find_slot to add hash entries.
12746 (cpp_finish): Just call _cpp_dump_macro_hash.
12747 * cpplib.c: Include hashtab.h.
12748 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
12749 create hash entries.
12750 (do_pragma_poison, do_assert): Likewise.
12751 (do_include): Don't push the buffer here. Don't increment
12752 system_include_depth unless _cpp_read_include_file succeeds.
12753 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
12754 or htab_remove_elt.
12755 (do_pragma_implementation): Use alloca to create copy.
12757 * Makefile.in: Update dependencies.
12759 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12761 * cppinit.c (cl_directive_handler): More K&R fixing.
12763 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
12765 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
12767 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
12769 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12771 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
12772 Change from char[] to macros.
12774 2000-03-12 Neil Booth <NeilB@earthling.net>
12776 * cppinit.c (cpp_start_read): Update indirect function
12779 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
12781 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
12784 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
12785 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
12787 2000-03-11 Neil Booth <NeilB@earthling.net>
12789 * cppinit.c (struct pending option): Replace undef with a
12790 pointer to a directive handling routine.
12791 (struct cpp_pending): Replace separate assert_ and define_
12792 lists with one directive_ list.
12793 (new_pending_define): Rename new_pending_directive. Extra
12794 argument is the directive's handling routine.
12795 (handle_option): Update to use new_pending_directive.
12797 2000-03-11 Neil Booth <NeilB@earthling.net>
12799 * cppfiles.c (file_cleanup, _cpp_find_include_file,
12800 remap_filename, _cpp_read_include_file, actual_directory,
12801 hack_vms_include_specification): Replace bcopy(), index() etc
12802 calls. Add casts to some allocations. Make some variables
12803 pointers to const [unsigned] char.
12804 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
12805 collect_formal_parameters): Similarly.
12806 * cppinit.c (struct pending_option, append_include_chain,
12807 cpp_options_init, cpp_reader_init, initialize_standard_includes,
12808 cpp_start_read, new_pending_define, handle_option): Similarly.
12809 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
12810 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
12811 do_pragma_implementation, detect_if_not_defined,
12812 do_ifdef, skip_if_group, cpp_get_token, parse_string,
12813 do_assert, do_unassert): Similarly.
12814 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
12815 function prototypes.
12816 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
12818 2000-03-10 Richard Henderson <rth@cygnus.com>
12820 * builtins.c (expand_builtin_strlen): Revert last change.
12821 Use emit_insn_before if we're at the beginning of a sequence.
12823 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
12825 * builtins.c (expand_builtin_strlen): Make sure that we have something
12826 at the beginning of the sequence.
12828 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
12831 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
12833 2000-03-10 Richard Henderson <rth@cygnus.com>
12835 * except.c (can_throw): Use INTVAL on a CONST_INT.
12836 (reachable_handlers): Likewise.
12837 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
12839 2000-03-10 Andreas Jaeger <aj@suse.de>
12841 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
12842 MD_STARTFILE_PREFIX since those are not needed on linux.
12843 (ASM_FILE_START): New, from mips/gnu.h.
12845 2000-03-09 Richard Henderson <rth@cygnus.com>
12846 Alex Samuel <samuel@codesourcery.com> and others
12848 * Makefile.in (ssa.o): New rule.
12850 (STAGESTUFF): Add *.ssa and *.ussa.
12851 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
12852 * rtl.def (PHI): New RTL expression.
12853 * rtl.h (clear_log_links): New declaration.
12854 (convert_to_ssa): Likewise.
12855 (convert_from_ssa): Likewise.
12856 * flow.c (split_edge): If the entry node falls through to the
12857 split edge's source block, split the entry edge.
12858 (clear_log_links): New function.
12859 * toplev.c (ssa_dump): New variable.
12860 (flag_ssa): Likewise.
12861 (f_options): Add "ssa".
12862 (compile_file): Create SSA dump files.
12863 (rest_of_compilation): Go to and from SSA if enabled.
12864 (decide_d_option): Handle -de for SSA dump files.
12867 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
12869 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
12872 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
12874 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
12876 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
12878 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
12879 (MD_STARTFILE_PREFIX_1): New macro.
12881 2000-03-09 Robert Lipe <robertl@sco.com>
12883 * config/ia64/ia64.c: Include system.h.
12885 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12887 * except.c (nothrow_function_p): If -fno-exceptions, just return.
12888 (init_eh_nesting_info): Likewise.
12890 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
12891 (TREE_NOTHROW): Rename from TREE_RAISES.
12892 * toplev.c (rest_of_compilation): Set it.
12893 * print-tree.c (print_node): Adjust.
12894 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
12895 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
12896 * calls.c (emit_call_1): Add 'nothrow' parm. Add
12897 REG_EH_REGION note as appropriate.
12898 (libfunc_nothrow): New fn.
12899 (emit_library_call, emit_library_call_value): Use it.
12900 (expand_call): Check TREE_NOTHROW.
12902 * varasm.c (make_decl_rtl): Skip initial '*' when setting
12903 DECL_ASSEMBLER_NAME.
12905 2000-03-09 Andreas Jaeger <aj@suse.de>
12907 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
12908 (TARGET_MEM_FUNCTIONS): Define.
12910 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12912 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
12914 * except.c (can_throw): See through a SEQUENCE.
12915 (nothrow_function_p): New fn.
12916 * except.h: Declare it.
12917 * function.c (current_function_nothrow): New var.
12918 (prepare_function_start): Initialize it.
12919 * output.h: Declare it.
12920 * toplev.c (rest_of_compilation): Set it.
12921 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
12923 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
12925 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
12926 match. (cpp_compare_defs): Count the nul separator when
12927 advancing over argument names.
12929 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
12931 * recog.c (preprocess_constraints): Matching constraints affect
12932 same alternative/different operand, not same operand/different
12935 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
12936 register and a constant specially.
12938 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12940 * libgcc2.h: New file.
12941 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
12943 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
12945 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
12946 * configure: Regenerate.
12947 * config/ia64: New.
12949 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12951 * Makefile.in (LIBCPP_DEPS): New macro.
12952 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
12953 it to declare deps.
12954 * cpperror.c: Include cpphash.h.
12955 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
12957 (lex): Don't use CPP_WARN_UNDEF.
12958 (_cpp_parse_expr): Return an int, the truth value.
12959 * cppfiles.c: Include cpphash.h.
12960 (_cpp_merge_include_chains): Move to cppinit.c and make static.
12961 * cppinit.c (include_defaults_array): Disentangle.
12962 (cpp_cleanup): Don't free the if stack here.
12963 (cpp_finish): Pop off all buffers, not just one.
12964 * cpplib.c (eval_if_expr): Return int.
12965 (do_xifdef): Rename do_ifdef.
12966 (handle_directive): Don't use CPP_PREPROCESSED.
12967 (cpp_get_token): Don't use CPP_C89.
12968 * fix-header.c: Don't use CPP_OPTIONS.
12970 * cpplib.h: Move U_CHAR, enum node_type, struct
12971 file_name_list, struct ihash, is_idchar, is_idstart,
12972 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
12973 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
12974 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
12975 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
12976 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
12977 of _cpp_simplify_pathname, _cpp_find_include_file,
12978 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
12979 Move struct if_stack to cpplib.c. Move struct cpp_pending to
12981 Change all uses of U_CHAR to be unsigned char instead.
12982 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
12984 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12986 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
12987 (dwarf2out_begin_prologue): Set it.
12988 (output_call_frame_info): Don't emit EH unwind info for leaves.
12990 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
12991 can occur outside of an EH region.
12992 * except.c: Correct comments about rethrow behavior.
12993 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
12995 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
12997 * flow.c (make_edges): Always call make_eh_edge for calls.
12999 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
13001 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
13002 (struct cpp_buffer): Remove fname and underflow fields.
13003 (struct cpp_reader): Remove get_token field.
13004 (struct include_hash): Rename to struct ihash. Add typedef to
13006 (struct if_stack): Remove fname field.
13007 (IF_STACK_FRAME): Rename to IF_STACK.
13009 * cpperror.c (print_containing_files): Trust that there are no
13010 macro buffers below the top file buffer.
13011 * cppfiles.c: Replace all references to 'struct include_hash'
13012 with 'IHASH'. Rename initialize_input_buffer to
13013 init_input_buffer. Don't set or reference cpp_buffer->fname,
13014 use buffer->ihash->name instead.
13015 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
13016 not CPP_NULL_BUFFER.
13017 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
13018 IF_STACK_FRAME, IHASH not struct include_hash.
13019 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
13020 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
13021 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
13022 references to cpp_buffer->fname (delete entirely, or use
13023 ->ihash->name instead) and IF_STACK->fname.
13024 (cpp_push_buffer): Don't set new->underflow.
13025 (do_include): Use cpp_file_buffer.
13027 * cpphash.c (collect_formal_parameters): Remove duplicate
13028 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
13029 used as a macro argument name. Don't append "..." to namebuf
13030 for varargs macros. After we're done scanning, go through
13031 namebuf and make it NUL separated, not comma separated.
13032 (_cpp_compare_defs): Remove register tag from variables.
13033 Expect defn->argnames to be NUL separated.
13034 (_cpp_dump_definition): Expect defn->argnames to be NUL
13035 separated and in forward order.
13036 * cpphash.h: Update documentation of argnames field.
13038 2000-03-08 Richard Henderson <rth@cygnus.com>
13040 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
13041 to fail. Don't pre-expand the source operand.
13043 * i386.md (strlensi): Initialize eoschar and align before use.
13045 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
13047 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
13048 CONSTRUCTOR element.
13050 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13052 * mips.c (mips_expand_prologue): If the last
13053 named argument is the vararg marker "va_list", treat it as
13054 an unnamed argument.
13056 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
13058 * dbxout.c (dbxout_parms): When correcting for promoted
13059 big-endian parameters, use the mode of the DECL_RTL rather
13060 than UNITS_PER_WORD.
13062 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
13064 * c-common.h (make_fname_decl): Declare.
13065 * c-common.c (make_fname_decl): Define.
13066 (declare_hidden_char_array): Remove.
13067 (declare_function_name): Use make_fname_decl.
13068 * c-decl.c (c_make_fname_decl): New function.
13069 (init_decl_processing): Set make_fname_decl.
13071 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
13073 * cccp.c (handle_directive): Initialize backslash_newlines_p.
13075 2000-03-07 Philipp Thomas <pthomas@suse.de>
13077 * po/POTFILES.in: Remove cppalloc.c from file list.
13079 2000-03-07 Steve Chamberlain <sac@pobox.com>
13081 * pj.c (pj_expand_prologue): current_function->args_info is
13082 now current_function_args_info.
13084 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
13085 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
13086 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
13088 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13090 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
13091 output as hexadecimal rather than the default octal.
13093 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
13095 * cpphash.c (special_symbol): Fix thinko in previous commit.
13097 2000-03-07 Neil Booth <NeilB@earthling.net>
13099 * cppexp.c (struct operation, left_shift, right_shift,
13100 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
13101 "int"s to "unsigned int"s.
13102 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
13104 * cpplib.h: Update for above.
13105 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
13106 returned from allocations.
13108 * cppinit.c (opt_comp, parse_options): New functions.
13109 (handle_option): Use parse_option to parse a single command
13110 line option, that possibly takes an argument.
13111 (cpp_handle_options): Sort the array of command line options on
13112 first invocation (non-ASCII hosts only).
13113 (print_help): Update.
13115 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
13117 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
13118 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
13120 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
13122 * cppinit.c (cpp_cleanup): Free imp->nshort also.
13124 * cpperror.c (cpp_print_containing_files,
13125 cpp_print_file_and_line, v_cpp_message): Rename to
13126 print_containing_files, print_file_and_line, and v_message.
13127 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
13128 to _cpp_parse_expr, parse_escape, and lex.
13129 (parse_charconst): Remove broken multibyte support.
13130 * cppfiles.c (include_hash): Make static.
13131 (cpp_included): New function.
13132 (merge_include_chains, find_include_file, finclude,
13133 simplify_pathname): Rename to _cpp_merge_include_chains,
13134 _cpp_find_include_file, _cpp_read_include_file, and
13135 _cpp_simplify_pathname.
13136 * cpphash.c (cpp_lookup, free_definition, delete_macro,
13137 cpp_install, create_definition, macroexpand, compare_defs,
13138 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
13139 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
13140 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
13141 * cppinit.c (cpp_handle_option): Rename to handle_option, make
13143 * cpplib.c: Remove extern prototype of cpp_parse_expr.
13145 * cpphash.h: Update prototypes.
13146 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
13148 2000-03-07 Andrew Haley <aph@cygnus.com>
13150 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
13151 PTRDIFF_TYPE should be based solely on Pmode.
13152 (SIZE_TYPE): ditto.
13154 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13156 * rtl.h (rtunion_def): Constify member `rtstr'.
13157 (emit_line_note_after, emit_line_note, emit_line_note_force,
13158 emit_note, decode_asm_operands): Constify.
13160 * cse.c (canon_hash): Likewise.
13162 * dbxout.c (dbxout_block): Likewise.
13164 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
13165 v_warning_for_asm): Likewise.
13167 * dwarfout.c (function_start_label): Likewise.
13169 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
13170 emit_line_note_force): Likewise.
13172 * final.c (last_filename, asm_insn_count, final_scan_insn,
13173 output_source_line): Likewise.
13175 * function.h (struct emit_status): Likewise.
13177 * gcse.c (hash_expr_1): Likewise.
13179 * genattr.c (gen_attr, main): Likewise.
13181 * genattrtab.c (struct function_unit, current_alternative_string,
13182 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
13183 attr_numeral, check_attr_test, check_attr_value,
13184 convert_set_attr_alternative, convert_set_attr,
13185 compute_alternative_mask, simplify_by_exploding, gen_attr,
13186 gen_unit): Likewise.
13188 * genflags.c (gen_insn): Likewise.
13190 * gengenrtl.c (type_from_format): Likewise.
13192 * genopinit.c (gen_insn): Likewise.
13194 * genoutput.c (n_occurrences, process_template, process_template):
13197 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
13200 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
13203 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
13204 ggc_set_mark, ggc_get_size): Likewise.
13206 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
13208 * optabs.c (init_one_libfunc): Likewise.
13210 * output.h (assemble_start_function): Likewise.
13212 * recog.c (decode_asm_operands): Likewise.
13214 * toplev.c (rest_of_compilation): Likewise.
13216 * tree.h (emit_line_note_after, emit_line_note,
13217 emit_line_note_force): Likewise.
13219 * varasm.c (asm_output_bss, asm_output_aligned_bss,
13220 asm_emit_uninitialised, assemble_start_function,
13221 assemble_variable, const_hash, compare_constant_1,
13222 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
13224 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
13226 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
13228 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
13230 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
13232 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
13233 arm_dllimport_name_p): Likewise.
13235 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
13238 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
13240 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13242 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
13243 arm_mark_dllexport, arm_mark_dllimport,
13244 arm_pe_encode_section_info): Likewise.
13246 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
13247 ASM_FINISH_DECLARE_OBJECT): Likewise.
13249 * arm/thumb.c (thumb_function_prologue): Likewise.
13251 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
13253 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13255 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
13257 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
13259 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
13261 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13263 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
13264 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
13266 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
13268 * i386/i386.c (asm_output_function_prefix): Likewise.
13270 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
13272 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13274 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
13276 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
13277 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
13278 ASM_OUTPUT_SECTION_NAME): Likewise.
13280 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
13282 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
13284 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
13286 * m32r/m32r.c (m32r_encode_section_info): Likewise.
13288 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13290 * mcore/mcore.c (mcore_encode_section_info): Likewise.
13292 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13294 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13296 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13298 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
13300 * mips/mips.md (movdi, movsi): Likewise.
13302 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13304 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13306 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13308 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
13309 ASM_OUTPUT_ASCII): Likewise.
13311 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
13312 output_mi_thunk, output_toc): Likewise.
13314 * rs6000/rs6000.md (movsi): Likewise.
13316 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
13318 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
13320 * v850/v850.c (print_operand, print_operand_address,
13321 v850_encode_data_area): Likewise.
13323 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
13325 * config/mips/mips.md (zero_extendsidi2): Always force operand
13326 one to memory for mips16.
13328 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13330 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
13331 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
13332 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
13333 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
13334 (min_precision): Result is unsigned.
13335 (add_double, neg_double, mul_double): Low word is unsigned.
13336 (lshift_double, rshift_double, lrotate_double): Likewise.
13337 (rrotate_double, div_and_round_double): Likewise.
13338 (tree_floor_log2, compare_tree_int): New functions.
13339 (preserve_rtl_expr_temps): New declaration.
13340 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
13341 (decl_attributes): Use tree_log2 to find alignment.
13342 Check for TREE_INT_CST_HIGH for format args.
13343 (min_precision): Now unsigned.
13344 Use tree_floor_log2.
13345 (truthvalue_conversion): Delete long-disabled code.
13346 * c-decl.c (finish_struct): Clean up tests on field width.
13347 (finish_function): Use compare_tree_int.
13348 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
13349 * c-typeck.c (comptypes): Use tree_int_cst_equal.
13350 (default_conversion, digest_init): Use compare_tree_int.
13351 (build_binary_op): Use integer_all_onesp and compare_tree_int.
13352 Fix type errors in forming masks.
13353 * calls.c (initialize_argument_information): Use compare_tree_int.
13354 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13355 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
13356 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
13357 (store_field): Use compare_tree_int.
13358 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
13359 (expand_expr, case ARRAY_REF): Use compare_tree_int.
13360 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
13361 (do_store_flag): Use compare_tree_int.
13362 * fold-const.c (encode, decode): Low part is always unsigned.
13363 (force_fit_type, add_double, neg_double, mul_double): Likewise.
13364 (lshift_double, rshift_double, lrotate_double): Likewise.
13365 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
13366 (fold_convert): Use compare_tree_int.
13367 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
13368 (invert_truthvalue, case INTEGER_CST): Likewise.
13369 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
13370 * mkdeps.c (deps_dummy_targets): Make I unsigned.
13371 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
13372 (lshift_double, rshift_double, lrotate_double, rrotate_double):
13374 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
13375 (expand_end_case): Use compare_tree_int.
13376 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13377 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
13378 (layout_decl): Likewise.
13379 (layout_record, layout_union): Make sizes unsigned.
13380 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
13381 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
13382 * tree.c (struct type_hash): hashcode is unsigned.
13383 (build_type_attribute_variant, type_hash_list): Likewise.
13384 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
13385 (attribute_hash_list, build_array_type, build_method_type): Likewise.
13386 (build_complex_type): Likewise.
13387 (real_value_from_int_cst): Remove unneeded casts.
13388 (integer_all_onesp): Add casts.
13389 (tree_floor_log2, compare_tree_int): New functions.
13390 (build_index_type): Use tree_int_cst_sgn.
13391 * varasm.c (assemble_variable): Use compare_tree_int.
13393 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
13395 * cpphash.c (collect_expansion): Also catch ## at start of macro.
13397 * varasm.c (make_decl_rtl): Don't add a number to members of
13399 (make_function_rtl): Likewise.
13401 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13403 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
13404 patch from 2000-01-28.
13406 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
13408 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
13409 filled with an insn from the jump target.
13411 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13413 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
13414 (c4x_external_ref): Likewise.
13415 * config/c4x/c4x.c (struct name_list): Likewise.
13417 1999-12-16 Ben Collins <bcollins@debian.org>
13419 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
13420 argument to genmultilib.
13421 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
13422 the contents into the multilib.h header.
13423 * gcc.c: Declare multilib_exclusions for the specs file.
13424 (set_multilib_dir): Use it.
13425 (print_multilib_info): Likewise.
13426 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
13427 to pass to genmultilib.
13429 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13431 * builtins.c (built_in_class_names, built_in_names): Constify a
13434 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
13436 (_mcleanup): Ensure value matches format specifier in sprintf.
13438 * cpphash.c (special_symbol): Don't needlessly cast away
13441 * cppinit.c (base_name): Delete unused prototype.
13443 * mkdeps.c (deps_init): Make definition K&R safe.
13445 * tree.h (built_in_class_names, built_in_names): Constify a
13448 2000-03-06 Jakub Jelinek <jakub@redhat.com>
13450 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
13451 floating point instructions for epilogue delay.
13453 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
13454 to gas if it supports .register pseudo.
13456 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
13457 LONG_DOUBLE_TYPE_SIZE if not defined.
13458 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
13459 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
13460 * real.c: Likewise.
13461 * gengenrtl.c: Likewise.
13462 * print-rtl.c: Likewise.
13464 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
13465 MASK_LONG_DOUBLE_128.
13466 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
13467 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
13468 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
13469 (SUBTARGET_SWITCHES): Define.
13470 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
13471 with -mlong-double-128.
13472 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13473 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13474 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13475 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
13476 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
13477 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
13478 with -mlong-double-128.
13479 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13480 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13481 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13482 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
13483 TARGET_LONG_DOUBLE_128): Define.
13484 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
13485 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
13486 long double on TARGET_ARCH64.
13488 2000-03-06 Mark Mitchell <mark@codesourcery.com>
13490 * function.c (free_temps_for_rtl_expr): Don't free slots
13491 that have been pushed into a higher level.
13494 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13496 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13498 * basic-block.h (ALLOCA_REG_SET): Remove.
13499 (INITIALIZE_REG_SET): New macro.
13500 * flow.c (update_life_info): Use it.
13501 (calculate_global_regs_live): Likewise.
13502 (propagate_block): Likewise.
13503 * global.c (build_insn_chain): Likewise.
13504 * haifa-sched.c (schedule_region): Likewise.
13506 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
13508 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
13509 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
13510 (DWARF_ARANGES_PAD_SIZE): New define.
13511 (output_aranges): Use it to pad the address range header.
13512 (DWARF_ROUND): Fix for non power of 2 rounding.
13514 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
13516 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
13518 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13520 * tree.def (RTL_EXPR): Update documentation.
13521 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
13522 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
13523 * function.c (preserve_rtl_expr_temp): New function.
13524 (preserve_rtl_expr_temps): Likewise.
13525 (preserve_rtl_expr_result): Use it.
13528 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13530 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
13532 * regmove.c (copy_src_to_dest) Do not create src->dest move
13533 for unchanging destination.
13535 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13537 * function.h (struct sequence_stack): Remove rtl_expr.
13538 (struct emit_staus): Likewise.
13539 (seq_rtl_expr): Remove.
13540 * tree.h (free_temps_for_rtl_expr): Don't declare.
13541 (start_sequence_for_rtl_expr): Likewise.
13542 * rtl.h (preserve_rtl_expr_result): Likewise.
13543 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
13544 (start_sequence_for_rtl_expr): Remove.
13545 (push_topmost_sequence): Don't save sequence_rtl_expr.
13546 (pop_topmost_sequence): Remove comment about not restoring it.
13547 (end_sequence): Don't set seq_rtl_expr.
13548 (init_emit): Don't initialize it.
13549 (mark_sequence_stack): Don't mark it.
13550 (mark_emit_status): Likewise.
13551 * except.c (protect_with_terminate): Use
13552 start_sequence_for_rtl_expr, not start_sequence.
13553 * expr.c (expand_expr, case RTL_EXPR): Don't call
13554 preserve_rtl_expr_result or free_temps_for_rtl_expr.
13555 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
13556 (preserve_rtl_expr_result): Remove.
13557 (free_temps_for_rtl_expr): Likewise.
13558 (pop_temp_slots): Likewise.
13559 (mark_temp_slot): Don't mark the rtl_expr.
13560 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
13561 start_sequence_for_rtl_expr.
13563 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
13565 * mkdeps.c, mkdeps.h: New files.
13566 * po/POTFILES.in: Add them.
13567 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
13568 (cpplib.o, cppinit.o): Depend on mkdeps.h.
13569 (mkdeps.o): New target.
13571 * cppfiles.c: Delete deps_output.
13572 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
13573 OBJECT_SUFFIX, and base_name.
13574 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
13576 (initialize_dependency_output): Use deps_init,
13577 deps_add_target, deps_calc_target, and deps_add_dep. Remove
13578 all the unnecessary string bashing.
13579 (cpp_finish): Use deps_write. Remove an unnecessary nesting
13581 * cpplib.c (do_include): Use deps_add_dep.
13582 * cpplib.h (struct cpp_reader): Replace deps_buffer,
13583 deps_allocated_size, deps_size, deps_column members with
13584 single pointer to a struct deps. Delete prototype of
13587 * cppinit.c: Fix thinko in previous patch.
13589 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13591 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
13592 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
13593 (mode_for_size_tree): New function.
13594 (layout_decl, layout_type): Call it and clean up BLKmode checks.
13595 * tree.h (mode_for_size_tree): New declaration.
13597 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
13599 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
13601 * stmt.c (is_body_block): Move...
13602 * dwarfout.c, dwarf2out.c: ...from here.
13603 * tree.h: Declare it.
13604 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
13605 * final.c (final_start_function): Do call remove_unnecessary_notes
13608 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13610 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
13612 * cpplib.h (_dollar_ok): New macro.
13613 (is_idchar, is_idstart): Use it.
13614 (IStable): Rename to _cpp_IStable. Declare it const if
13615 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
13616 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
13617 is_space): Update for renamed IStable.
13619 * cppinit.c: Delete all references to FAKE_CONST and CAT
13620 macros. Define init_IStable as empty macro if gcc >=2.7 or
13621 C99. Change TABLE() to ISTABLE and hardcode name of table.
13622 (cpp_start_read): Don't change the IStable based on
13625 * cpphash.c (unsafe_chars): Add pfile argument. All callers
13626 changed. Handle '$' for char1 correctly.
13627 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
13629 * cppexp.c (tokentab2): Make const.
13630 (cpp_lex): Make toktab const.
13631 * cppinit.c (include_defaults_array): Make const.
13632 (initialize_standard_includes): Make default_include const.
13634 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13636 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
13637 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
13638 (gen_decl_die): Likewise.
13639 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
13640 (output_decl): Likewise.
13642 * varasm.c (make_function_rtl): If we change the name used in the
13643 rtl, update DECL_ASSEMBLER_NAME accordingly.
13644 (make_decl_rtl): Likewise.
13646 * toplev.c (rest_of_compilation): Tweak formatting.
13648 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
13649 remove_unnecessary_notes.
13650 (debug_ignore_block): New fn.
13651 * toplev.h: Declare it.
13652 * emit-rtl.c (remove_unncessary_notes): Call it.
13653 * dwarf2out.c (dwarf2out_ignore_block): New fn.
13654 * dwarf2out.h: Declare it.
13655 * final.c (final_start_function): Don't call remove_unnecessary_notes
13656 if we did insn scheduling.
13658 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13660 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
13661 * cpplib.h: Delete SET_CPP_PEDANTIC.
13663 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13665 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
13666 result is a RECORD_TYPE.
13668 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
13670 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
13672 2000-03-03 Richard Henderson <rth@cygnus.com>
13674 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
13675 addition over compliments over shifts.
13677 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13679 * reload1.c (reload_combine_note_use): Handle return register USEs.
13680 REG case: Handle multi-hard-register hard regs.
13682 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13684 * md.texi: Document use of '*' in insn pattern name.
13686 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13688 * calls.c (special_function_p): operator new may not be malloc-like.
13690 * gcse.c (dump_hash_table): Really fix error in last change.
13692 2000-03-02 Denis Chertykov <denisc@overta.ru>
13694 * avr.c (print_operand): Use print_operand_address instead of
13696 * avr/libgcc.S: Cleanup code.
13698 2000-03-02 Richard Henderson <rth@cygnus.com>
13700 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
13702 2000-03-02 Mark Mitchell <mark@codesourcery.com>
13704 * tree.h (TYPE_ALIGN_UNIT): New macro.
13706 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
13708 * i386.c: (constant_call_address_operand): Reject CONST_INT.
13710 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
13712 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
13714 (SET_CPP_PEDANTIC): New macro.
13715 * cpplib.c (do_include): Don't bother checking system_header_p.
13716 (do_warning, do_ident, do_assert, do_unassert): Likewise.
13717 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
13719 * function.h (struct expr_status): Add x_arg_space_so_far.
13720 (arg_space_so_far): New macro.
13721 * expr.c (init_expr): Initialize it.
13722 * calls.c (emit_call_1): Reset it.
13723 (compute_argument_block_size, expand_call): Use it.
13724 (expand_call, store_one_arg): Increment it.
13726 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13728 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
13731 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
13733 * cppfiles.c (cpp_read_file): New function.
13735 * cpphash.c (collect_expansion): Make sure to reset last_token
13736 to NORM when we hit a string. Handle trailing whitespace
13737 properly when the expansion is empty.
13738 (create_definition): Disable line commands while parsing the
13740 (dump_definition): If pfile->lineno == 0, output a line
13741 command ahead of the dump, and add a trailing newline.
13743 * cppinit.c (append_include_chain): Add fifth argument, which
13744 indicates whether or not system headers are C++ aware.
13745 (initialize_standard_includes): New function,
13746 broken out of read_and_prescan. Pass 'cxx_aware' value from
13747 the include_defaults_array on to append_include_chain.
13748 (dump_special_to_buffer): Const-ify char array.
13749 (builtin_array): Don't dump __BASE_FILE__.
13750 (cpp_start_read): Use cpp_read_file. Reorder code for
13751 clarity. Don't output line commands here for -D/-A/-U
13752 switches. Don't call deps_output for files included with
13753 -include or -imacros.
13755 * cpplib.c (do_define): Don't pay any attention to the second
13757 (cpp_expand_to_buffer): Disable line commands while scanning.
13758 (output_line_command): Work in the file buffer.
13759 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
13760 Fix formatting of comments. Prototype cpp_read_file.
13762 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13764 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
13765 reference the language-equivalent of sizetype.
13766 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
13767 * fold-const.c (size_binop, size_diffop): Put back checks.
13768 * gcse.c (dump_hash_table): Fix minor error in last change.
13769 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
13770 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
13773 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
13775 * calls.c (expand_call) Do not attempt to combine stack adjustments
13776 with inhibit_defer_pop set.
13778 2000-03-01 Mark Mitchell <mark@codesourcery.com>
13780 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
13781 the DECL_SIZE for a FIELD_DECL.
13783 2000-03-01 Bruce Korb <bkorb@gnu.org>
13785 * fixinc/inclhack.tpl: remove unused symlinks
13786 * fixinc/README: GCC Maintainer info
13787 * fixinc/inclhack.sh: regen
13788 * fixinc/fixincl.sh: regen
13790 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
13792 * cpphash.c (collect_expansion): Trim trailing white space
13793 from macro definitions, but don't go past the last insertion
13796 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
13798 * i386.md (mulqi3): New pattern.
13800 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
13802 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
13804 (struct cpp_reader): Add parsing_if_directive and
13805 parsing_define_directive flags.
13806 (struct cpp_options): Remove output_conditionals flag.
13807 (check_macro_name): Delete prototype.
13809 * cpphash.h (struct macrodef): Delete.
13810 (struct reflist): Separate from struct definition.
13811 (struct definition): Remove unused fields. Add column number.
13812 (create_definition): Returns a DEFINITION *. Takes a
13813 cpp_reader * and an int.
13815 * cpphash.c (SKIP_WHITE_SPACE): Delete.
13816 (PEEKC): Copy defn from cpplib.c.
13817 (rest_extension, REST_EXTENSION_LENGTH): Delete.
13819 (struct arglist): Simplify.
13820 (collect_expansion): Rewrite. Get tokens by calling
13821 cpp_get_token. Add more error checking.
13822 (collect_formal_parameters): New function, broken out of
13823 create_definition and reworked to use get_directive_token.
13824 (create_definition): All real work is now in collect_expansion
13825 and collect_formal_parameters. do_define handles finding the
13826 macro name. Return a DEFINITION, not a MACRODEF.
13827 (macroexpand): Replace bcopy with memcpy throughout. Replace
13828 character-at-a-time copy loop with memcpy and pointer increments.
13829 (compare-defs): d1->argnames / d2->argnames might be null.
13831 * cpplib.c (copy_rest_of_line): Delete function.
13832 (skip_rest_of_line): Do all the work ourselves.
13833 (skip_string): New function.
13834 (parse_string): Use skip_string.
13835 (get_macro_name): New function.
13836 (check_macro_name): Delete.
13837 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
13838 (cpp_skip_hspace): Use CPP_BUMP_LINE.
13839 (handle_directive): ICE if we're called on a macro buffer.
13840 (do_define): Determine macro name and type (funlike/objlike)
13841 here. Expunge all uses of MACRODEF.
13842 (cpp_push_buffer): Set line_base to NULL.
13843 (do_undef, read_line_number): Don't worry about getting a POP token.
13844 (eval_if_expression): Set/reset parsing_if_directive around
13845 cpp_parse_expr. Don't clear only_seen_white.
13846 (skip_if_group): Remove output_conditionals logic. Use
13848 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
13849 tokens under appropriate conditions.
13850 (cpp_unassert): Call do_unassert not do_assert. Oops.
13852 * cppexp.c (parse_defined): New function, break out of
13854 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
13855 ourselves, with cpp_defined.
13856 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
13858 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
13859 * gcc.dg/strpaste-2.c: New.
13861 2000-02-29 Mark Mitchell <mark@codesourcery.com>
13863 * fold-const.c (size_binop): Don't asert inputs are the same and
13864 have TYPE_IS_SIZETYPE set.
13865 (size_diffop): Likewise.
13867 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
13869 * dwarfout.c (output_block): Output abstract blocks even if they
13870 don't have TREE_ASM_WRITTEN set.
13872 * calls.c (emit_library_call): Check for null REG.
13874 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
13876 * c-decl.c (current_function_decl): Move to toplev.c.
13877 (init_decl_processing): Don't add current_function_decl as a ggc
13879 * dbxout.c (dbxout_symbol): Change return type to int.
13880 (dbxout_symbol_location, dbxout_syms): Likewise.
13881 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
13882 any locals. Use current_function_func_begin_label if set.
13883 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
13884 * dwarf2out.c (dwarf2out_begin_prologue): Set
13885 current_function_func_begin_label.
13886 * final.c (final_start_function): Reset it.
13887 * toplev.c (current_function_decl): Define it here.
13888 (current_function_func_begin_label): New variable.
13889 (main): Add both as ggc roots.
13890 * tree.h (current_function_func_begin_label): Declare.
13892 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13894 * gcse.c: Cleanups throughout: mostly white-space, but also
13895 some minor rearrangement of code.
13897 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
13899 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
13900 returns a PARALLEL. Use emit_group_load and use_group_regs
13902 (emit_library_call_value): Similarly.
13904 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
13905 * pa/quadlib.asm: Remove.
13906 * pa/quadlib.c: New file.
13908 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
13909 * configure: Rebuilt.
13911 2000-02-29 Philip Blundell <pb@futuretv.com>
13913 * config/arm/conix-elf.h: New file.
13914 * configure.in (arm*-*-conix*): New configuration.
13915 * configure: Regenerate.
13917 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
13919 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
13920 don't have TREE_ASM_WRITTEN set.
13922 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13924 * Eliminate DECL_FIELD_SIZE.
13925 * builtins.c (built_in_class_names, built_in_names): New variables.
13926 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
13927 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
13928 DECL_SIZE, not DECL_FIELD_SIZE.
13929 * print-tree.c (print_node): Remove code that prints extra blank
13930 lines in some cases.
13931 Properly handle inline and builtin function cases.
13932 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
13933 * tree.h (built_in_class_named, built_in_names): New declarations.
13934 (union tree_decl): Rename internal unions to u1 and u2 and change
13935 some of their components.
13936 Add new field built_in_class.
13937 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
13938 Reflect above changes.
13939 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
13940 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
13941 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
13942 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
13944 2000-02-28 Dmitri Makarov <dim@windriver.com>
13946 * extend.texi: Document ARM's support for long/short calls.
13948 * invoke.texi: Document ARM's -mlong-calls command line switch.
13950 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
13951 (arm_encode_call_attribute): Add prototype.
13952 (arm_set_default_type_attribute): Add prototype.
13953 (arm_strip_name_encoding): Add prototype.
13955 * config/arm/arm.c (arm_init_cumulative_args): replace
13956 initialisation og 'long_calls' field with initialisation of
13957 'call_cookie' field.
13958 (enum arm_pragma_enum): New enum.
13959 (arm_pragma_long_calls): New static variable.
13960 (arm_process_pragma): Also process "#pragma long_calls_off".
13961 (arm_valid_type_attribute_p): Accept short_call attribute.
13962 (arm_comp_type_attributes): Check long/short call attributes.
13963 (arm_encode_call_attribute): New function: Encode long_call
13964 or short_call attribute in function name.
13965 (arm_set_default_type_attributes): New function: Assign
13966 default attributes to newly defined type.
13967 (current_file_function_operand): New function: Return true if
13968 the symbol is a function which has already been compiled.
13969 (arm_is_longcall_p): New function: Return true if the
13970 indicated function should be called via a long call.
13971 (arm_get_strip_length): New function. Returns number of
13972 prefix characters to be stripped from a function's name.
13973 (arm_strip_name_encoding): New function. Strip prefix characters
13974 from a function's name.
13976 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
13977 with 'call_cookie'.
13978 (SHORT_CALL_FAG_CHAR): Define.
13979 (LONG_CALL_FAG_CHAR): Define.
13980 (ENCODED_SHORT_CALL_ATTR_P): Define.
13981 (ENCODED_LONG_CALL_ATTR_P): Define.
13982 (ARM_NAME_ENCODING_LENGTHS): Define.
13983 (STRIP_NAME_ENCODING): Define.
13984 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
13985 (ARM_ENCODE_CALL_TYPE): Define.
13986 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
13987 (ARM_DECLARE_FUNCTION_SIZE): Define.
13988 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
13990 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
13991 if a long call is needed.
13992 (call_value): Ditto.
13993 (call_symbol): Ditto.
13995 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
13996 ARM_DECLARE_FUNCTION_SIZE.
13998 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
13999 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
14000 (ARM_STRIP_NAME_ENCODING): Undefine.
14001 (STRIP_NAME_ENCODING): Undefine.
14002 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
14003 (ASM_DECLARE_FUNCTION_NAME): Ditto.
14004 (ASM_OUTPUT_COMMON): Ditto.
14005 (ASM_DECLARE_OBJECT_NAME): Ditto.
14007 * config/arm/pe.c (arm_dllexport_name_p): Check for
14009 (arm_dllimport_name_p): Ditto.
14010 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
14011 (arm_mark_dllimport): Ditto.
14013 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14015 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
14017 2000-02-28 Mark Mitchell <mark@codesourcery.com>
14019 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
14021 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
14023 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
14024 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
14025 NO_BUILTIN_WCHAR_TYPE is not defined.
14026 (CPP_WCHAR_TYPE): Delete.
14027 * cccp.c (main): Don't change wchar_type if cplusplus.
14028 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
14030 2000-02-28 Nick Clifton <nickc@cygnus.com>
14032 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
14034 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
14036 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
14037 (ASM_WEAKEN_LABEL): Define.
14039 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
14041 * expr.c (store_constructor): Do not emit USE.
14042 * rtl.h (stupid_life_analysis): Remove.
14044 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14046 * function.c (number_blocks): Reset next_block_index based on
14047 what debugging format is used, not what is defined.
14049 * lcm.c: Minor reformatting throughout.
14050 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
14052 * toplev.c (rest_of_compilation): Account for time in
14053 optimize_mode_switching.
14055 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
14056 if only marking labels.
14058 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
14060 * calls.c (expand_call): Attempt to combine stack adjustments with
14061 pending stack adjustments.
14063 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14065 * loop.c (reg_in_basic_block_p): Don't abort when falling through
14066 to the end of the function.
14068 2000-02-27 Mark Mitchell <mark@codesourcery.com>
14070 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
14072 * final.c (next_block_index): Remove.
14073 (max_block_depth): Likewise.
14074 (pending_blocks): Likewise.
14075 (init_final): Don't initialize them.
14076 (final_start_function): Don't set next_block_index. Set up
14078 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
14079 * function.h (number_blocks): New function.
14080 * function.c (get_block_vector): New function.
14081 (identify_blocks): Use it.
14082 (reorder_blocks): Set NOTE_BLOCK.
14083 (number_blocks): New function.
14084 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
14085 * tree.h (BLOCK_NUMBER): New macro.
14086 (tree_block): Add block_num field.
14087 * dbxout.c (next_block_number): Remove.
14088 (dbxout_init): Don't set it.
14089 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
14090 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
14092 * toplev.c (rest_of_compilation): Always call
14093 find_loop_tree_blocks. Fix indentation.
14094 * dwarf2out.c (next_block_number): Remove.
14095 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
14096 to determine block numbers.
14097 (gen_inlined_subroutine_die): Likewise.
14098 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
14099 (decls_for_scope): Don't increment next_block_number.
14100 * dwarfout.c (next_block_number): Remove.
14101 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
14102 to determine block numbers.
14103 (output_inlined_subroutine_die): Likewise.
14104 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
14105 (output_decls_for_scope): Don't increment next_block_number.
14106 * sdbout.c (next_block_number): Remove.
14107 (sdbout_block): Use BLOCK_NUMBER.
14108 (sdbout_begin_block): Simplify.
14109 * xcoffout.c (next_block_number): Remove.
14110 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
14111 (xcoffout_begin_block): Don't set next_block_number.
14112 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
14115 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14117 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
14118 (expand_builtin_strcpy): Pass correct type to size_binop.
14119 (expand_builtin_strcmp): Likewise.
14120 Clean up conditional structure.
14121 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
14122 (complete_array_type): Don't use size_binop for MAXINDEX.
14123 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
14124 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
14125 (c_alignof): Use size_one_node.
14126 (build_unary_op): Pass arg of proper type to size_binop.
14127 (really_start_incremental_init, push_init_level): Use sizetype for
14128 constructor{,_bit,_unfilled}_index.
14129 (pop_init_label, output_init_element): Likewise.
14130 (output_pending_init_elements, process_init_element): Likewise.
14131 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
14132 * expr.c (store_expr): Use size_int.
14133 (store_constructor): Use proper types for size_binop args.
14134 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
14135 (expand_expr_unaligned): Likewise.
14136 (string_contant): Return object of sizetype.
14137 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
14138 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
14139 (ARGS_SIZE_TREE): Pass proper types to size_binop.
14140 * fold-const.c (int_const_binop): Refine when size_int is called.
14141 (fold_convert): Likewise.
14142 (size_int_wide): Rework to take KIND as arg, only take low order
14143 bits, handle new sizetype_tab datatype, and chain entries in
14145 (size_int_type_wide): New function.
14146 (size_binop): Validate types of arguments.
14147 (ssize_binop): Deleted.
14148 (size_diffop): New function.
14149 (extract_muldiv): Only fold division into multiplication for sizetypes.
14150 * function.c (assign_parms): Use size_diffop and make sure
14151 VAR field is of ssizetype; also pass proper type to size_binop.
14152 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
14153 (round_down): Deleted from here.
14154 * store-layout.c (sizetype_tab): Now an array.
14155 (sizetype_set, early_root_list): New variables.
14156 (variable_size): Use size_one_node.
14157 (round_up): Pass proper type to size_binop.
14158 (round_down): Moved to here and corrected as above.
14159 (layout_record): Pass proper arg types to size_binop.
14160 (layout_type): Likewise.
14161 If sizetype_set is zero, record the type just laid out.
14162 (make_unsigned_type): Don't call set_sizetype;
14163 (make_signed_type): Likewise; also, call fixup_signed_type.
14164 (initialize_sizetypes): New function.
14165 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
14166 set name of bitsizetype to "bit_size_type".
14167 Fix up type of sizes of all types made before call.
14168 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
14169 * tree.c (fix_sizetype): Deleted.
14170 (build_common_tree_nodes): Call initialize_sizetypes.
14171 (build_common_tree_nodes_2): Don't call fix_sizetype.
14172 * tree.h (TYPE_IS_SIZETYPE): New macro.
14173 (initialize_sizetype): New declaration.
14174 (enum size_type_kind): New type.
14175 (struct sizetype_tab): Deleted.
14176 (sizetype_tab): Now array; adjust sizetype macros.
14177 (size_diffop, size_int_type_wide): New functions.
14178 (size_int_wide): Change number of args and type; access macros changed.
14179 (ssize_int, sbitsize_int): New macros.
14180 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
14181 (ROUND_TYPE_SIZE_UNIT): New macro.
14183 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
14185 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
14187 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14189 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
14190 Mark as possibly unused.
14192 * cse.c (cse_insn): Delete dead code involving tablejump.
14193 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
14195 * Makefile.in (libcpp.a): Start by deleting it.
14197 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14199 * cpplib.h (enum file_change_code): Added rename_file.
14200 * cpplib.c (do_line): If a filename is given, set file_change to
14202 (output_line_command): If file_change is rename_file, always
14203 output a # directive with the file name.
14205 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
14207 2000-02-26 Mark Mitchell <mark@codesourcery.com>
14209 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
14210 when copying a PARM_DECL or RESULT_DECL.
14212 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14214 * fix-header.c (recognized_function): Also fix prototypes for
14215 functions taking "void".
14217 2000-02-26 Geoff Keating <geoffk@cygnus.com>
14219 * reload1.c (do_output_reload): Check reg_reloaded_valid before
14220 looking at reg_reloaded_contents.
14222 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
14224 * Makefile.in (STMP_FIXINC): New toggle.
14225 (LIBGCC2_DEPS): Delete all references.
14226 (stmp-headers): Delete target. All references either deleted
14227 or changed to stmp-int-headers.
14228 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
14229 (LIBCPP_OBJS): Take out cppalloc.o.
14230 (cppalloc.o): Delete target.
14231 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
14232 (gen-protos, fix-header): Link with libiberty.a.
14233 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
14236 * configure.in: Remove refs to strerror.
14237 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
14238 * system.h: Take out strerror stanza.
14240 * cpperror.c (my_strerror): Delete function.
14241 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
14242 * cppmain.c (main): Call xmalloc_set_program_name first thing.
14243 * cppalloc.c: Delete file.
14244 * gen-protos.c: Don't provide xrealloc.
14246 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
14247 xstrerror throughout.
14249 2000-02-26 Bruce Korb <bkorb@gnu.org>
14251 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
14252 match for DOS headers, too.
14253 * fixinc/inclhack.sh,fixincl.x: Regenerate.
14255 2000-02-26 Geoff Keating <geoffk@cygnus.com>
14257 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
14258 is right for most ELF targets.
14259 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
14260 Let the default file use %U properly.
14261 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
14264 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
14267 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14269 * toplev.c (documented_lang_options): Correct spelling error.
14270 (decode_d_option, decode_f_option, main): Likewise.
14272 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
14274 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
14275 to tell assembler it is permitted to expand large constants.
14277 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
14279 * protoize.c: (AUX_INFO_SUFFIX): New macro.
14280 (aux_info_suffix): Use.
14281 (SAVE_SUFFIX): New macro.
14282 (save_suffix): Use.
14283 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
14284 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
14285 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
14287 * invoke.texi (Running Protoize): Update documentation.
14289 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
14291 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
14293 2000-02-25 John Wehle (john@feith.com)
14295 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
14297 2000-02-25 Anthony Green <green@cygnus.com>
14299 * toplev.c (rest_of_compilation): Rebuild jump labels if
14300 combine_instructions has created a new direct jump.
14301 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
14303 (combine_instructions): Call try_combine with new argument.
14304 Return non-null value when new direct jump instruction is created.
14305 * rtl.h: combine_instructions returns an int.
14307 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
14309 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
14310 jump when changing a computed jump into a jump to a known
14313 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
14315 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
14316 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
14318 * i386.md (define_expand "clrstrsi"): Fix typo.
14320 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
14322 * rtl.texi: Fix typo.
14324 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14326 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
14327 UNITS_PER_WORD. Change caller initial_elimination_offset.
14328 (rounded_frame_size): Take into account that argument pushed has
14329 changed. Fix TARGET_ALIGN_DOUBLE problem.
14331 2000-02-25 Geoff Keating <geoffk@cygnus.com>
14333 * haifa-sched.c (schedule_block): Explain the real reason
14334 we delete REG_SAVE_NOTEs on the first insn of a block.
14335 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
14337 2000-02-24 Mark Mitchell <mark@codesourcery.com>
14339 * input.h (push_srcloc): New function.
14340 (pop_srcloc): Likewise.
14341 * toplev.c (push_srcloc): Define it.
14342 (pop_srcloc): Likewise.
14344 2000-02-24 Richard Henderson <rth@cygnus.com>
14346 * flow.c (life_analysis): When collecting reg info, clear
14349 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14351 Fix bug exposed by reload.c no longer rounding the frame
14352 size to BIGGEST_ALIGNMENT:
14353 * sh.c (rounded_frame_size): New function.
14354 (sh_expand_prologue, sh_expand_epilogue): Use it.
14355 (initial_elimination_offset): Likewise.
14357 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14359 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
14360 * sh-protos.h (sh_need_epilogue): Declare.
14361 * sh.c (sh_need_epilogue_known): New static variable.
14362 (sh_need_epilogue): New function.
14363 (function_epilogue): Clear need_epilogue_known.
14364 * sh.md (return): Split into expander / insn pattern.
14365 Make the expander conditional on ! sh_need_epilogue ().
14367 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
14369 * machmode.h (get_mode_alignment): Declare.
14370 (GET_MODE_ALIGNMENT): Call it.
14371 * stor-layout.c (get_mode_alignment): New function. Make
14372 sure alignment is always power of 2.
14374 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14376 * i386.h: Remove useless definition of "I386" and misleading
14379 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14381 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
14382 under which TREE_PERMANENT will be set.
14383 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
14384 build1): Use TREE_SET_PERMANENT.
14385 * print-tree.c (print_node): Don't report value of
14386 TREE_PERMANENT if ggc_p is true.
14388 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
14389 decide whether to give a type a new alias set.
14390 * objc/objc-act.c (build_objc_string_object): Never copy the string.
14391 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
14392 of value of 'obstack'.
14395 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14397 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
14399 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14401 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
14402 * cpplib.c (cpp_get_token): Produce them.
14403 * cppexp.c (cpp_lex): Handle them.
14405 2000-02-23 Nick Clifton <nickc@cygnus.com>
14407 * config/arm/arm.c (arm_comp_type_attributes): Simply and
14408 comment tests on type attributes.
14410 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14412 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
14413 conform to documentation.
14414 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
14415 to check for special cases.
14416 * sh-protos.h (sh_loop_align): Declare.
14417 * sh.c (sh_loop_align): Define.
14419 2000-02-22 Andrew Haley <aph@cygnus.com>
14421 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
14422 (SIZE_TYPE): Is 32 bits when using -mgp32.
14423 (PTRDIFF_TYPE): Ditto.
14425 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14427 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
14429 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14431 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
14432 BIGGEST_FIELD_ALIGNMENT a constant.
14434 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
14436 * dwarf2out.c (output_line_info): Put the marker for the end of
14437 the line number info at the actual end.
14438 (gen_struct_or_union_type_die): Use decl_function_context
14439 to check for local classes.
14440 * dwarfout.c (output_type): Likewise.
14442 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
14444 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
14445 for arguments with a mode, but no type.
14446 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
14447 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
14448 * pa/long_double.h: New file.
14449 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
14450 both have 128bit wide long doubles.
14451 * configure: Rebuilt.
14453 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14455 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
14457 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
14458 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
14459 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
14461 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
14463 * integrate.c (compare_blocks, find_block): Likewise.
14465 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
14467 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
14469 * stmt.c (stmt_status, set_file_and_line_for_stmt,
14470 expand_asm_operands): Likewise.
14472 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
14474 * predict.c (estimate_probability): Added the pointer heuristic to
14475 the collection of static branch predictors.
14477 2000-02-21 Catherine Moore <clm@cygnus.com>
14479 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
14480 * invoke.texi (-mfix7000): Document.
14482 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
14484 * diagnostic.c (init_output_buffer): Make it possible to output at
14485 least 32 characters if we're given a too long prefix.
14487 2000-02-20 Mark Mitchell <mark@codesourcery.com>
14489 * varasm.c (initializer_constant_valid_p): Call
14490 lang_expand_constant to simplify the constant.
14492 2000-02-20 Bruce Korb <bkorb@gnu.org>
14494 * fixinc/inclhack.def(stdio_va_list):
14495 typedef needs to be disabled.
14496 * fixinc/inclhack.sh: regen
14497 * fixinc/fixincl.x: regen
14499 2000-02-20 Geoff Keating <geoffk@cygnus.com>
14501 * print-rtl.c (print_rtx): Don't print addresses when
14502 flag_dump_unnumbered.
14504 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14506 * sparc.c (sparc_output_scratch_registers): Mark parameter with
14508 (sparc_va_arg, sparc_flat_output_function_prologue,
14509 sparc_flat_output_function_epilogue): Cast value to unsigned in
14511 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
14513 * sparc.md: Add default case in switch.
14515 2000-02-19 Richard Henderson <rth@cygnus.com>
14517 * c-typeck.c (add_pending_init): Don't abort for multiple
14518 fields at the same offset.
14519 (pending_init_member): Test the correct member.
14521 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14523 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
14525 (start_catch_handler) : Same.
14527 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
14529 * Makefile.in: Have flow.o depend on $(EXPR_H)
14531 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14533 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
14534 * c-decl.c (duplicate_decls, finish_enum): Likewise.
14535 (finish_decl): Remove -Wlarger-than code from here.
14536 * flags.h (id_clash_len): Now int.
14537 (larger_than_size): Now HOST_WIDE_INT.
14538 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
14539 Clean up checking to see if in table.
14540 (make_bit_field_ref): Remove extra parm to bitsize_int.
14541 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
14542 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
14543 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
14544 and for computing size of decl.
14545 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
14546 Move -Wlarger-than code to here.
14547 (layout_record): Remove extra arg to bitsize_int.
14548 Set TYPE_BINFO_SIZE_UNIT.
14549 (layout_union): Remove extra arg to bitsize_int.
14550 Use proper type for size of QUAL_UNION.
14551 (layout_type): Remove extra arg to bitsize_int.
14552 * toplev.c (id_clash_len): Now int.
14553 (larger_than_size): Now HOST_WIDE_INT.
14554 (decode_W_option): Clean up id-clash and larger-than- cases.
14555 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
14556 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
14557 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
14558 (struct tree_decl): New field size_unit.
14559 (size_int_wide): No HIGH operand; NUMBER is now signed.
14560 (size_int_2): Deleted.
14561 (size_int, bitsize_int): Don't use it and rework args.
14562 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
14564 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
14566 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
14568 2000-02-18 Geoff Keating <geoffk@cygnus.com>
14570 * invoke.texi (Warning Options): Add an explanation of why
14571 you might want the -Wfloat-equal flag.
14573 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14575 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
14576 * cppinit.c (new_pending_define): Add cast to avoid warning.
14577 * expmed.c (extract_bit_field): Likewise.
14578 * flow.c (enum reorder_skip_type): New type.
14579 (skip_insns_between_blcok): New it.
14580 Rework to avoid warning about possibly undefined variable.
14581 * function.c (assign_parms): Make thisparm_boundary unsigned.
14582 * genrecog.c (write_switch): Cast XWINT result to int.
14583 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
14584 * mips-tfile.c (init_file): Make two versions of FDR intializer:
14585 one for MIPS and one for Alpha.
14586 (get_tag, copy_object): Add casts to avoid warnings.
14587 * optabs.c (init_one_libfunc): Cast NAME to (char *).
14588 * reload.c (find_reloads): Make TYPE enum reload_type.
14589 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
14590 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
14591 * varasm.c (compare_constant_1): Add cast to avoid warning.
14592 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
14594 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
14595 Cast switch operand of size to int.
14596 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
14597 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
14600 2000-02-18 Nick Clifton <nickc@cygnus.com>
14602 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
14603 anything for an alignment of zero.
14605 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
14606 anything for an alignment of zero.
14608 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
14610 * gcc.texi (Bug Reporting): Refer to bugs.html.
14611 (Bug Lists): Likewise.
14612 * system.h (GCCBUGURL): New preprocessor define.
14613 * rtl.c (fancy_abort): Use it.
14614 * gcc.c (main): Likewise.
14616 2000-02-18 Richard Henderson <rth@cygnus.com>
14618 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
14619 (life_analysis_1): Subsume into ...
14620 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
14621 Use update_life_info for the relaxation.
14622 (update_life_info): Update REG_BASIC_BLOCK for registers live on
14623 entry and regs_live_at_setjmp.
14624 (set_noop_p): Simplify.
14625 (notice_stack_pointer_modification_1): Renamed from s/_1//.
14626 (record_volatile_insns): Split into ...
14627 (delete_noop_moves): ... here,
14628 (notice_stack_pointer_modification): ... here,
14629 (insn_dead_p): ... and here.
14630 (propagate_block): Don't query INSN_VOLATILE.
14631 (mark_used_regs): Mind !PROP_REG_INFO.
14632 * toplev.c (rest_of_compilation): Call mark_constant_function here,
14633 not in life_analysis.
14635 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
14637 * loop.c (canonicalize_condition): New function,
14638 broken out of get_condition.
14639 (get_condition): Use it.
14640 * expr.h (canonicalize_condition): Prototype it.
14642 * tree.h (tree_int_cst_msb): Declare.
14643 * tree.c (tree_int_cst_msb): New function.
14645 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14647 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
14650 * invoke.texi (-fmessage-length=n): Document.
14652 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
14654 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
14656 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14658 * function.c (thread_prologue_and_epilogue_insns): Put a line note
14659 after the prologue.
14661 2000-02-17 Nick Clifton <nickc@cygnus.com>
14663 * config/arm/thumb.c: Replace includes of system headers with
14664 #include "system.h".
14666 2000-02-16 Richard Henderson <rth@cygnus.com>
14668 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
14669 Add crtbeginS.o and crtendS.o.
14670 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
14671 (ENDFILE_SPEC): Use crtendS.o.
14672 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
14674 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
14675 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
14676 shared and present.
14677 (__dso_handle): New variable.
14678 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
14679 bias to __CTOR_END__.
14681 2000-02-16 Richard Henderson <rth@cygnus.com>
14683 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
14685 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
14687 * longlong.h (__clz_tab): Declare as static to match definition.
14689 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
14691 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
14692 (XREF_FILE_NAME): Define.
14694 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
14695 (EH_FRAME_SECTION_ASM_OP): Define.
14696 (IDENT_ASM_OP): Define.
14697 (TEXT_SECTION_ASM_OP): Define.
14698 (CPP_SPEC): Define.
14699 (CTORS_SECTION_ASM_OP): Define.
14700 (CTOR_SECTION_FUNCTION): Use it.
14701 (DTORS_SECTION_ASM_OP): Define.
14702 (DTOR_SECTION_FUNCTION): Use it.
14704 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
14706 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
14709 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
14710 debug_bb_n): New functions.
14711 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
14712 * basic-block.h: Prototype new functions.
14714 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
14716 * configure.in: Add support for avr target.
14717 * configure: Rebuilt.
14719 * invoke.texi: Add AVR invocation docs.
14720 * install.texi: Add information about AVR.
14721 * md.texi: Add AVR constraint letters description.
14722 * extend.texi: Add description for AVR specific attributes.
14724 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
14726 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
14728 2000-02-16 Nick Clifton <nickc@cygnus.com>
14730 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
14731 (make_insn_raw): Move RTL check here.
14733 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14735 * version.c: Include gansidecl.h and version.h.
14737 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
14739 * configure.in (gcc_version): When setting, narrow search to
14740 lines containing `version_string'.
14742 * Makefile.in (mainversion): Likewise.
14743 (GCC_H): New variable.
14744 (gcc.h): Delete target.
14745 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
14746 (version.o): Depend on version.h.
14747 (dbxout.o): Don't depend on gcc.h.
14749 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
14750 Michael Meissner <meissner@cygnus.com>
14752 * md.texi (Simple Constraints): Add item about whitespace.
14753 * genoutput.c (strip_whitespace): New.
14754 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
14755 strip_whitespace for constraints.
14756 Test pointer using NULL, not 0.
14758 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14760 * cpplib.c (do_line): Pedwarn for #line > 32767.
14762 * c-lex.c (readescape): Warn about '\x', but do not reject it.
14764 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
14766 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
14767 to default cpp spec.
14768 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
14769 * cpp.texi: Document __GNUC_PATCHLEVEL__.
14772 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
14775 2000-02-15 Denis Chertykov <denisc@overta.ru>
14777 * configure.in: Add support for avr target.
14779 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14781 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
14782 (sh_addr_diff_vec_mode): Don't declare.
14783 * sh.c (sh_addr_diff_vec_mode): Delete.
14785 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14787 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
14789 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14791 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
14792 (smulsi3_highpart_i): Name.
14793 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
14794 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
14795 (smulsi3_highpart, umulsi3_highpart): Likewise.
14797 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
14798 correctly independent of endianness.
14799 (mulsidi3, umulsidi3): Now define_insn. Hide details that
14800 confuse the optimizers.
14801 (mulsidi3+1, umulsidi3+1): New define_split.
14803 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
14805 * config/sh/sh.md: Guard insn splits against illegal registers.
14806 * config/sh/sh.h: Correct comment about macros.
14808 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14809 Andrew MacLeod <amacleod@cygnus.com>
14811 * Makefile.in (lcm.o): Depend on insn-attr.h.
14812 * basic-block.h (optimize_mode_switching): Declare.
14813 * lcm.c (tm_p.h, insn-attr.h): #include.
14814 (seginfo, bb_info): New structs.
14815 (antic, transp, comp, delete, insert) : New file-scope static variables.
14816 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
14817 (reg_becomes_live, optimize_mode_switching): Likewise.
14818 * tm.texi: Add description of mode switching macros.
14819 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
14821 * sh-protos.h (remove_dead_before_cse): Remove prototype.
14822 (fldi_ok, fpscr_set_from_mem): New prototypes.
14823 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
14824 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
14825 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14826 (sh_flag_remove_dead_before_cse): Remove declaration.
14827 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
14828 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
14829 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
14830 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14831 (barrier_align): Allow for JUMP_INSNS containing a parallel.
14832 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
14833 (fldi_ok): New function.
14834 (get_fpscr_rtx): Add fpscr_rtx as GC root.
14835 (emit_sf_insn): Only generate fpu switches when optimize < 1.
14836 (emit_df_insn): Likewise.
14837 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
14838 (sh_flag_remove_dead_before_cse): Delete.
14839 (get_free_reg, fpscr_set_from_mem): New functions.
14840 * sh.md (movdf, movsf): Remove no_new_pseudos code.
14841 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
14843 2000-02-15 Loren Rittle <ljrittle@acm.org>
14845 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
14847 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14849 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
14850 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
14852 * cccp.c: Include version.h and/or don't declare `version_string'.
14853 * collect2.c: Likewise.
14854 * alpha.c: Likewise.
14855 * arm/aof.h: Likewise.
14856 * arm/coff.h: Likewise.
14857 * arm/elf.h: Likewise.
14858 * arm/pe.h: Likewise.
14859 * arm/tcoff.h: Likewise.
14860 * arm/telf.h: Likewise.
14861 * arm/tpe.h: Likewise.
14862 * arm/vxarm.h: Likewise.
14863 * convex/convex.c: Likewise.
14864 * i386/dgux.c: Likewise.
14865 * i386/sun386.h: Likewise.
14866 * m88k/m88k.c: Likewise.
14867 * mcore/mcore-pe.h: Likewise.
14868 * mips/mips.h: Likewise.
14869 * romp/romp.h: Likewise.
14870 * sh/sh.c: Likewise.
14871 * cpphash.c: Likewise.
14872 * cppinit.c: Likewise.
14873 * dwarf2out.c: Likewise.
14874 * dwarfout.c: Likewise.
14877 * mips-tfile.c: Likewise.
14878 * protoize.c: Likewise.
14879 * toplev.c: Likewise.
14880 * tree.h: Likewise.
14882 * version.c (version_string): Constify a char*.
14884 * version.h: New file.
14886 2000-02-14 Nick Clifton <nickc@cygnus.com>
14888 * configure.in: Add mcore-elf and mcore-pe targets.
14889 * configure: Regenerate.
14891 * NEWS: Add note that MCore port has been contributed.
14893 * invoke.texi: Document command line switches for MCore port.
14894 * install.texi: Add MCore to list of supported targets.
14896 2000-02-14 Geoff Keating <geoffk@cygnus.com>
14898 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
14899 then we will need to import the frame handling functions.
14900 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
14901 to import the frames themselves.
14903 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
14904 Jason Eckhardt <jle@cygnus.com>
14906 * basic_block.h: Added prototype for reorder_basic_blocks.
14907 * toplev.c: Changes to add -freorder-blocks and graph dump after
14908 block reordering is done.
14909 * flow.c (reorder_block_def): New structure for use during block
14911 (REORDER_BLOCK_*): New macros to access members of above structure.
14912 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
14913 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
14914 functions for block reordering.
14916 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
14918 * gcc.texi (Passes): Fix typo.
14919 * md.texi (Standard Names): Ditto.
14920 * tm.texi (Storage Layout): Ditto.
14922 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14924 * cpplib.c (do_define): Only free the old definition if it
14927 2000-02-13 Neil Booth <NeilB@earthling.net>
14929 * cppfiles.c (read_and_prescan): When emitting deferred
14930 newlines, test speccase[] again instead of checking each
14931 possible whitespace character in turn. When we encounter \r,
14932 look behind for \n first, then ahead.
14934 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14936 * cse.c (cse_altered): New internal flag.
14937 (cse_insn): Set it if we changed an insn.
14938 (cse_main): Clear cse_altered before each basic block.
14939 Only garbage collect if cse_altered is true afterward.
14941 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14943 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
14945 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
14947 * combine.c (simplify_comparison): Fix typo.
14949 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
14951 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
14954 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14956 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
14957 previously inserted node instead of root node. Caller changed.
14959 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14961 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
14963 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14965 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
14966 __dereg_frame_dtor): Add prototype argument.
14968 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
14970 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
14972 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
14974 * gthr-vxworks.h (__gthread_once): Likewise.
14976 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
14978 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
14980 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
14981 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
14982 stack pointer in functions w/o saved registers, output LEAVE more often
14983 on TARGET_USE_LEAVE machines.
14985 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
14987 * config/arm/arm.c (arm_init_cumulative_args); New function:
14988 Initlaise the CUMULATIE_ARGS strcuture for a function
14990 (arm_function_arg): New function: Determine where to place a
14991 function's argument. Also handles deciding the function's
14993 (current_file_function_operand): New function: Return true if
14994 the symbol is a function which has already been compiled.
14995 (arm_is_long_call_p): New function: Return true if the
14996 indicated function should be called via a long call.
14997 (arm_valid_type_attribute_p): New function: Return true if the
14998 attribute is a valid, arm specific, attribute.
14999 (arm_comp_type_attribute): New function: Return true if the
15000 two types have compatable, arm specific, attributes.
15002 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
15004 (FUNCTION_ARG): Redefine to call arm_function_arg.
15005 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
15007 (INIT_CUMULATIVE_ARGS): Redefine to call
15008 arm_init_cumulative_args.
15009 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
15011 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
15013 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
15015 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
15016 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
15017 (COMP_TYPE_ATTRIBUTES): Define.
15019 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
15020 if a long call is needed.
15021 (call_value): Call arm_is_long_call_p to decide if a long call
15023 (call_symbol): Call arm_is_long_call_p to decide if a long call
15026 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
15028 2000-02-11 Denis Chertykov <denisc@overta.ru>
15030 * README.AVR: New file with information about the avr ports.
15031 * config/avr: New directory with avr port files.
15033 2000-02-11 Andreas Jaeger <aj@suse.de>
15035 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
15037 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
15039 * cpphash.c: Fix formatting, update commentary.
15040 (dump_definition): Take three separate arguments instead of a
15041 MACRODEF structure argument.
15042 * cpphash.h: Update prototype of dump_definition.
15043 * cppinit.c (cpp_finish): Update call of dump_definition.
15045 * cpplib.c (do_define): Always create new hash entry with
15046 T_MACRO type. Remove redundant check for redefinition of
15047 poisoned identifier. Update call of dump_definition.
15048 (do_undef): Don't call check_macro_name. Rename sym_length to
15050 (do_error, do_warning): Don't use copy_rest_of_line or
15052 (do_warning): Don't use pedwarn for the actual warning,
15053 only the notice about its not being in the standard. (Fixes
15054 bug with #warning in system headers.)
15055 (do_ident): Stricter argument checking - accept only a single
15056 string after #ident. Also, macro-expand the line.
15057 (do_xifdef): Use cpp_defined. De-obfuscate.
15059 (do_pragma): Split out specific pragma handling to separate
15060 functions. Use get_directive_token. Update commentary. Do
15061 not pass on #pragma once or #pragma poison to the front end.
15062 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
15063 do_pragma_default): New.
15065 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
15067 * jump.c (jump_optimize_1): The first operand in a relational
15068 can be a CONST_INT.
15069 * optabs.c (emit_conditional_move): Handle relationals which
15070 have a known true/false result.
15072 2000-02-11 Geoff Keating <geoffk@cygnus.com>
15074 * function.c (thread_prologue_and_epilogue_insns): Don't insert
15075 a RETURN insn into a block which already ends with a jump.
15077 2000-02-11 Geoff Keating <geoffk@cygnus.com>
15079 * haifa-sched.c (BUF_LEN): Increase a lot.
15081 2000-02-11 Nick Clifton <nickc@cygnus.com>
15083 * configure.in: Add tm_p_file specification for thumb targets.
15084 * configure: Regenerate.
15086 * config/arm/thumb-protos.h: New file: Prototypes for exported
15087 functions defined in thumb.c.
15089 2000-02-11 Robert Lipe <robertl@sco.com>
15091 * Makefile.in (bootstrap-lean): Remove additional files.
15092 (bootstrap2-lean): Likewise.
15093 (VOL_FILES): List of files for above.
15095 2000-02-11 Nathan Sidwell <nathan@acm.org>
15097 * cpphash.c (special_symbol): Remove spurious argument to
15100 2000-02-11 Joel Sherrill (joel@OARcorp.com>
15102 * configure.in: (i*86-*-rtems*): Swapped elf and coff
15104 * configure: Rebuilt.
15106 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
15108 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
15110 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
15112 * pa.c, pa.h: Remove trigraph sequences within comments.
15114 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
15116 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
15118 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
15120 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
15122 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15124 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
15126 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15128 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
15129 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
15130 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
15131 (ASM_FILE_END): Use c4x_file_end.
15132 * config/c4x/c4x.c (c4x_global_label): New function.
15133 (c4x_external_ref, c4x_file_end): Likewise.
15135 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
15136 (c4x_external_ref, c4x_end_file): Likewise.
15138 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
15140 * cppexp.c: Don't include cpphash.h.
15141 (parse_charconst, cpp_lex): Use cpp_defined.
15142 (cpp_lex): Use get_directive_token throughout. Remove
15143 unnecessary cases from switch. Move assertion-handling code
15144 down to OTHER case.
15145 (cpp_parse_expr): If we see '+' or '-', check the context to
15146 determine if they are unary or binary operators. Streamline
15147 the jumps a bit. Do not call skip_rest_of_line.
15149 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
15150 static. Export get_directive_token. Update commentary.
15151 (cpp_defined): New function.
15152 (do_define): Remove reference to T_PCSTRING. Call
15153 free_definition to release memory for old definition, when
15154 redefining a macro.
15155 (eval_if_expression): Set only_seen_white to 0 before calling
15156 cpp_parse_expr. Call skip_rest_of_line after it returns.
15157 (cpp_read_check_assertion): Don't preserve a pointer into the
15158 token buffer across a call to cpp_get_token.
15160 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
15161 * cppfiles.c (redundant_include_p): Use cpp_defined.
15162 * cpphash.c (free_definition): New function.
15163 (delete_macro): Use it. Update commentary.
15164 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
15166 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
15167 from enum node_type. Prototype cpp_defined and get_directive_token.
15168 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
15170 * fix-header.c (check_macro_names): Use cpp_defined.
15171 (read_scan_file): Set inhibit_warnings and inhibit_errors in
15172 the options structure.
15174 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15176 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
15178 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
15180 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
15181 rather than die->die_tag.
15183 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15185 * combine.c (make_extraction, force_to_mode): Avoid warning on
15186 mixed-signedness conditionals.
15187 (make_field_assignment, nonzero_bits): Likewise.
15188 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
15189 (store_split_bit_field, extract_split_bit_field): Likewise.
15190 (extract_fixed_bit_field, store_bit_field,
15191 * expr.c: Change alignment to be unsigned everywhere.
15192 (move_by_pieces, store_constructor_field, store_constructor):
15193 Alignment parm is unsigned.
15194 (emit_block_move, emit_group_load, emit_group_store): Likewise.
15195 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
15196 (do_compare_rtx_and_jump): Likewise.
15197 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
15198 Compare align with GET_MODE_ALIGNMENT.
15199 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
15200 (get_inner_reference): Likewise.
15201 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
15202 (expand_assignment): Local vars for alignment now unsigned.
15203 (store_constructor, store_field, expand_expr, do_jump): Likewise.
15204 (do_compare_and_jump): Likewise.
15205 (store_field): Call new function expr_align.
15206 * expr.h (emit_block_move, emit_group_load, emit_group_store):
15207 Alignment arg now unsigned.
15208 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
15209 (do_compare_rtx_and_jump, store_bit_field): Likewise.
15210 (extract_bit_field): Likewise.
15211 * fold-const.c (add_double): Add cast to eliminate signedness warning.
15212 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
15213 (get_best_mode): Alignment arg is unsigned.
15214 * rtl.h (move_by_pieces): Likewise.
15215 * store-layout.c (maximum_field_alignment, set_alignment):
15217 (layout_decl): Alignment arg is now unsigned.
15218 Remove unneeded casts.
15219 (layout_record, layout_union, layout_type): Remove unneeded casts.
15220 Local alignment variables now unsigned.
15221 (get_best_mode): Alignment arg now unsigned.
15222 * tree.c (expr_align): New function.
15223 * tree.h (expr_align): Likewise.
15224 (maximum_field_alignment, set_alignment): Now unsigned.
15225 (get_inner_reference): Alignment argument is now pointer to unsigned.
15226 * varasm.c (assemble_variable): Add cast to eliminate warning.
15228 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
15230 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
15231 then store directly into op0.
15233 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
15234 the CALL_INSN, and emit the note immediately after it.
15236 2000-02-10 Nick Clifton <nickc@cygnus.com>
15238 * config/arm/thumb.md (epilogue): Include a (return) in the
15239 generated insn, and emit it using emit_jump_insn not
15242 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
15244 * function.c (assign_temp): Change zero-sized arrays to size 1.
15245 * integrate.c (expand_inline_function): Do not update
15246 stack_alignment_needed
15247 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
15248 add some sanity checking, remove optimization for function with
15251 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15253 * flow.c (mark_regs_live_at_end): Delete unused variables.
15255 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
15257 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
15258 in macro FRAME_GROWS_DOWNWARD.
15260 * stmt.c (expand_end_bindings): Delete unused variable.
15262 * unroll.c (iteration_info): Mark parameter `loop' with
15265 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15267 * fixinc/server.c (load_data): Return NULL if the marker line is
15269 (run_shell): If load_data returns NULL, retry the command once, in
15272 * configure: Rebuilt.
15274 2000-02-09 Bruce Korb <bkorb@gnu.org>
15276 * gcc/fixincludes: ** DELETED **
15277 * gcc/fixcpp: ** DELETED **
15278 * gcc/fixinc-nt.sed: ** DELETED **
15279 * gcc/just-fixinc: ** DELETED **
15280 * gcc/Makefile.in: Removed out-dated commentary
15281 * gcc/configure.in: Removed fast-fixincludes disablement.
15282 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
15284 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
15285 * function.c (thread_prologue_and_epilogue_insns): Uncomment
15288 2000-02-09 Richard Henderson <rth@cygnus.com>
15290 * jump.c (delete_insn): Don't delete user labels at -O0.
15292 2000-02-09 Robert Lipe <robertl@sco.com>
15294 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
15295 Don't link with HOST_LIBS.
15297 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15299 * configure.in: Correct --help text for --with-dwarf2.
15300 Put tm-dwarf2.h after other tm files, if it's requested.
15301 * configure: Regenerate.
15302 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
15305 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15307 * cpplib.h: Provide HASHNODE typedef and forward decl of
15308 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
15309 DEFINITION, struct hashnode, struct macrodef, struct
15310 definition, scan_decls prototype, default defn of
15311 INCLUDE_LEN_FUDGE moved elsewhere.
15313 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
15314 definition, and struct hashnode moved here. Remove the unused
15315 'predefined' field from struct definition. Replace the 'args'
15316 union with its sole member. All users updated (cpphash.c).
15317 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
15318 multiple include guard.
15320 * cpphash.c (hashf): Make static; use better algorithm; drop
15321 HASHSIZE parameter; return an unsigned int.
15322 (cpp_lookup): Drop HASH parameter. PFILE parameter is
15323 used. Calculate HASHSIZE modulus here.
15324 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
15326 (create_definition): Drop PREDEFINITION parameter.
15327 * cpplib.c (do_define): Don't calculate a hash value here.
15328 Don't pass (keyword == NULL) to create_definition.
15330 * scan.h: Prototype scan_decls here.
15331 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
15332 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
15333 callers of cpp_lookup and cpp_install updated.
15335 * cpphash.c (macarg): Hoist all the flag diddling out of the
15337 (macroexpand): ... and out of the loop that calls macarg.
15338 Skip over the initial paren before macro arguments with
15339 cpp_get_non_space_token; point may be some distance before
15340 that paren. Abort if it's not there.
15342 * cpplib.c (parse_clear_mark): Delete function.
15343 (parse_set_mark, parse_goto_mark): Make static.
15344 (ACTIVE_MARK_P): New macro.
15345 (skip_block_comment, skip_line_comment): Do not bump the line
15346 if ACTIVE_MARK_P is true.
15347 (cpp_pop_buffer): The buffer to be popped may not have an
15349 (cpp_get_token): When looking for the initial paren before
15350 macro arguments, only set a mark in a file buffer, Always
15351 return to that mark before proceeding to call macroexpand or
15352 return a NAME token.
15354 * cpplib.h: Remove prototypes of parse_set_mark,
15355 parse_clear_mark, parse_goto_mark.
15356 (struct cpp_options): Rename 'put_out_comments' to
15357 'discard_comments' and invert its sense.
15358 * cppinit.c, cpphash.c, cpplib.c: All users of
15359 put_out_comments changed to use discard_comments, with
15362 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
15364 * function.c (thread_prologue_and_epilogue_insns): Don't delete
15365 the edge from a block that both jumps and falls through to the
15368 2000-02-09 Scott Bambrough <scottb@netwinder.org>
15370 * config/arm/arm.md (movsi): In PIC mode, make sure that a
15371 constant source address is legitimate.
15373 2000-02-09 Philip Blundell <pb@futuretv.com>
15375 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
15378 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
15380 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
15382 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15384 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
15385 ends with a newline and a NUL. Don't be so clever manipulating
15388 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
15390 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
15391 not to BIGGEST_ALIGNMENT.
15393 2000-02-08 Geoff Keating <geoffk@cygnus.com>
15395 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
15396 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
15397 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
15398 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
15399 * frame.c (execute_cfa_insn): Handle
15400 DW_CFA_GNU_negative_offset_extended.
15402 2000-02-08 Richard Henderson <rth@cygnus.com>
15404 * flow.c (tidy_fallthru_edges): Split out from ...
15405 (delete_unreachable_blocks): ... here.
15406 (find_basic_blocks): Use it.
15408 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15410 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
15412 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
15414 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
15415 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
15416 (fix-header.o): Don't depend on cpphash.h.
15418 * scan.c (hashstr): New function.
15419 * scan.h: Prototype it.
15420 * fix-header.c: Don't include cpphash.h. Use hashstr.
15421 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
15422 hashstr. Report hash table statistics. Add private
15423 definition of xrealloc.
15425 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15427 * i386.h (TARGET_SWITCHES): Fix typo in option name.
15429 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
15431 * function.c (thread_prologue_and_epilogue_insns): Don't replace
15432 jumps with returns unless they are jumps to the fallthru block.
15434 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
15436 * i386.md (addqi3_cc): Fix contraints.
15438 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15440 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
15442 2000-02-07 Mark Mitchell <mark@codesourcery.com>
15444 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
15445 carriage return after a macro name.
15447 2000-02-07 Fred Fish <fnf@be.com>
15449 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
15450 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
15452 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
15454 * cppfiles.c (deps_output): Count spacers in deps_column.
15456 2000-02-07 Neil Booth <NeilB@earthling.net>
15458 * cppinit.c (initialize_dependency_output): If there is no
15459 suffix, don't try to look for known suffixes. Use strrchr.
15460 (cpp_start_read): Remove duplicate initialization.
15462 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
15464 * calls.c (compute_argument_block_size): New argument
15465 preferred_stack_boundary.
15466 (expand_call): update cfun->preferred_stack_boundary, update call of
15467 compute_argument_block_size
15468 (emit_library_call): Increate cfun->preferred_stack_boundary
15469 to PREFERRED_STACK_BOUNDARY
15470 (emit_library_call_value): Likewise.
15471 * explow.c (allocate_dynamic_stack_spave): Likewise.
15472 * function.c (prepare_function_start): Set
15473 cfun->preferred_stack_boundary
15474 * function.h (struct function): Add preferred_stack_boundary field.
15475 * integrate.c (expand_inline_function): Update
15476 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
15477 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
15478 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
15480 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
15482 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
15483 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
15484 cpp_pedwarn, cpp_pedwarn_with_line,
15485 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
15486 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
15487 v_cpp_error_with_line, v_cpp_warning_with_line,
15488 cpp_message_from_errno, cpp_perror_with_name): Delete.
15490 * cpperror.c (cpp_print_containing_files): Take starting
15491 buffer as argument.
15492 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
15493 (v_cpp_message): Now called directly by all entry points.
15495 (cpp_pfatal_with_name, cpp_message): Delete.
15496 (cpp_notice_from_errno, cpp_ice): New functions.
15497 (cpp_notice): Is now for reporting error conditions, just
15498 without an associated file.
15499 (cpp_error, cpp_error_with_line): Don't do anything if
15500 opts->inhibit_errors is on.
15501 (cpp_pedwarn_with_file_and_line): Take column argument also.
15503 * cpplib.h: Update prototypes of exported functions.
15504 (struct cpp_options): Add inhibit_errors.
15506 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
15507 non-error messages. Include intl.h.
15509 * cppinit.c, cppmain.c: Likewise. Also, use
15510 cpp_notice_from_errno instead of cpp_perror_with_name or
15511 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
15513 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
15514 report internal errors.
15516 * cpplib.c (do_define): Switch bcopy to memcpy.
15517 Give cpp_pedwarn_with_file_and_line a dummy column argument.
15519 * cpplib.c (copy_rest_of_line): Revert previous change: don't
15520 bail out early if we hit a line comment.
15522 2000-02-06 Richard Henderson <rth@cygnus.com>
15524 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
15525 * basic-block.h: Declare them.
15526 * emit-rtl.h (active_insn_p): New.
15527 (next_active_insn, prev_active_insn): Use it.
15528 * rtl.h: Declare it.
15529 * function.c (emit_return_into_block): New.
15530 (thread_prologue_and_epilogue_insns): Insert return insns instead
15531 of epilogues when possible.
15532 * jump.c (jump_optimize_1): Remove code to insert a return insn
15533 on the fallthru to the exit block.
15535 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
15536 and for non-empty stack frames.
15537 * i386.md (return): Expand to return-pop as needed.
15539 2000-02-06 Richard Henderson <rth@cygnus.com>
15541 * simplify-rtx.c (simplify_relational_operation): Canonicalize
15542 constant to op1 for testing.
15544 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15546 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
15547 (fixuns_truncqfqi2): Use it.
15549 2000-02-06 Richard Henderson <rth@cygnus.com>
15551 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
15552 as a TYPE_LEA insn.
15554 * i386.md (widening and peepholes): Mask the constant instead of
15557 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15559 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
15560 input pointer before possibly branching off to the backslash
15562 * cpphash.c (macroexpand): Correctly delete \r escapes when
15563 stringifying parameters.
15564 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
15565 if we can; bail out early if we hit a line comment.
15566 (handle_directive): Treat '# 123' in an .S file just like
15567 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
15568 Return 1 for '# not_a_directive'.
15569 (get_directive_token): Pop macro buffers here, so that
15570 cpp_get_token can't sneakily move past a newline.
15572 (cpp_get_token): goto randomchar if handle_directive returns 0.
15574 * cppalloc.c: Update copyright.
15575 * cpplib.c: Merge all the static function prototypes into one
15577 * cpplib.h: Remove #if 0 block.
15579 * cpperror.c: Remove #ifdef EMACS block.
15580 * cppmain.c: Likewise.
15581 * cpphash.c: Remove #if 0 blocks.
15582 * cppinit.c: Remove #if 0 blocks, and the -lint option.
15583 * cpplib.c: Remove #if 0 blocks and code referencing
15584 pcp_inside_if or for_lint. Remove duplicate error message.
15585 Fix error messages for #else after #else or #elif. Reformat.
15586 Remove archaic TODO list.
15587 * cpplib.h: Remove pcp_inside_if and for_lint flags.
15589 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15591 * i386/osf1elf.h: Add missing backslash to multiline string.
15593 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15595 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
15597 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15599 * Makefile.in (c-common.o): Depend on $(EXPR_H).
15601 * c-common.c: Include expr.h.
15603 * c-pragma.c (mark_align_stack): Add prototype.
15605 * caller-save.c (add_stored_regs): Likewise.
15607 * combine.c (record_promoted_value): Likewise.
15609 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
15612 * cppinit.c (new_pending_define): Likewise.
15614 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
15616 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
15617 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
15618 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
15619 class_scope_p): Likewise.
15621 * dwarf2out.h (dwarf2out_set_demangle_name_func,
15622 dwarf2out_add_library_unit_info): Likewise.
15624 * ggc.h (ggc_page_print_statistics): Likewise.
15626 * haifa-sched.c (propagate_deps): Likewise.
15628 * reg-stack.c (next_flags_user, record_label_references): Likewise.
15630 * rtl.h (set_stack_check_libfunc): Likewise.
15632 * toplev.h (set_fatal_function): Likewise.
15634 * toplev.c (set_fatal_function): Delete prototype.
15636 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
15638 2000-02-05 Geoff Keating <geoffk@cygnus.com>
15640 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
15641 (FUNC_END): Likewise.
15643 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15645 * caller-save.c: Include tm_p.h.
15647 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15649 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
15651 2000-02-04 Neil Booth <NeilB@earthling.net>
15653 * cccp.c (main): Check 'dir' for a NULL pointer before passing
15656 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
15658 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
15659 * genflags.c: Use the max_operand_1 logic from genemit.c to
15660 calculate how many arguments gen_insn prototypes have. Remove
15661 NO_MD_PROTOTYPES ifdefs from the generated file.
15662 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
15663 file. Cast gen_insn initializers to insn_gen_fn.
15664 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
15665 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
15667 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15669 * fixinc/Makefile.in (HDR): Add machname.h.
15672 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15674 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
15675 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
15676 (c4x_cpu_version): Ditto.
15677 * config/c4x/c4x-protos.h: ... here.
15679 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
15681 * dwarf2out.c (add_abstract_origin_attribute): Don't call
15682 gen_abstract_function on our context if we're a nested function.
15684 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15686 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
15687 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
15689 2000-02-04 Bruce Korb <bkorb@gnu.org>
15691 * fixinc/genfixes(machname.h):
15692 Move the functionality from gen-machine.h into this file.
15693 UNdef MN_NAME_PAT if there are no names to change.
15694 Also, be a little kinder when AutoGen is not present.
15696 * fixinc/Makefile.in(machname.h):
15697 Change the generation rule to use genfixes.
15699 * fixinc/fixfixes.c(machine_name):
15700 machine_name_fix's functionality now dependent upon whether
15701 MN_NAME_PAT is defined.
15703 * fixinc/fixtests.c(machine_name):
15706 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
15709 * fixinc/fixlib.h(mn_get_regexps):
15712 * fixinc/gen-machine.h: DELETED
15714 2000-02-04 Jan Hubicka <jh@suse.cz>
15715 Richard Henderson <rth@cygnus.com>
15717 * i386.c (SAVE_REGS_FIRST): Remove.
15718 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
15719 (ix86_compute_frame_size): Likewise.
15720 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
15721 (ix86_emit_restore_regs): Remove.
15722 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
15723 when a frame pointer is in use.
15724 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
15725 instead of pop to restore a register when profitable; emit leave
15727 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
15728 as a TYPE_LEA insn.
15729 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
15730 * i386.md (prologue_allocate_stack): Remove.
15731 (epilogue_deallocate_stack): Remove.
15732 (pro_epilogue_adjust_stack): New.
15734 2000-02-04 Richard Henderson <rth@cygnus.com>
15736 * function.c (diddle_return_value): Rework to use a callback function.
15737 Use current_function_return_rtx if it's been set up.
15738 (do_clobber_return_reg, clobber_return_register): New.
15739 (do_use_return_reg, use_return_register): New.
15740 (expand_function_end): Use them.
15741 * stmt.c (expand_null_return): Likewise.
15742 * function.h: Declare them.
15743 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
15744 (mark_reg): Change arguments as appropriate for callback.
15745 * integrate.c (expand_inline_function): Revert 19 Jan change.
15747 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
15749 * tm.texi (Values in Registers): Fix typo: "fo" "for".
15750 (Misc): Say the scheduler, not the Haifa scheduler.
15752 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
15754 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
15755 when in_mem is set. Update all callers.
15757 2000-02-04 Richard Henderson <rth@cygnus.com>
15759 * i386/openbsd.h (INT_ASM_OP): Define.
15761 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
15763 * tm.texi: Fix various typos.
15765 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
15767 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
15768 (MD_STARTFILE_PREFIX_1): New macro.
15770 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
15772 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
15773 destination when needed.
15774 (strmovsi, strsetsi): New expander.
15775 (strmovsi_1, strsetsi_1): New pattern.
15776 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
15777 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
15778 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
15779 * invoke.texi (align-stringops, inline-all-stringops): Document.
15781 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
15783 * i386/netbsd.h (INT_ASM_OP): Define.
15785 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
15787 * cpplib.h (cpp_reader): Add new flag, no_directives.
15788 * cpphash.c (macarg): Set it.
15789 * cpplib.c (handle_directive): If no_directives is on and we
15790 find a directive, issue an error and discard the line.
15792 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
15794 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
15795 FP constants. Add ! TARGET_FPU check for FP constants.
15797 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
15799 * flow.c (find_basic_blocks): Don't kill label_value_list
15801 (cleanup_cfg): Kill it here.
15803 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15805 * expr.c (store_field): Ensure ALIGN is no stricter than the
15808 2000-02-02 Richard Henderson <rth@cygnus.com>
15810 * jump.c (delete_insn): Partially revert 19 Jan change;
15811 don't convert unused code labels to notes at -O0.
15813 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15815 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
15816 split_all_insns to recreate REG_LABEL notes for flow2 pass.
15818 2000-02-01 Richard Henderson <rth@cygnus.com>
15820 * i386.c (general_no_elim_operand): New.
15821 (nonmemory_no_elim_operand): New.
15822 (ix86_expand_move): Copy eliminable operands before a push.
15823 * i386-protos.h: Declare new functions.
15824 * i386.h (CAN_ELIMINATE): Simplify.
15825 (PREDICATE_CODES): Update.
15826 * i386.md (push insns): Don't allow eliminable register operands.
15828 2000-02-01 Richard Henderson <rth@cygnus.com>
15830 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
15831 replace BLKmode with DECL_RTL's mode.
15833 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
15835 * frame.c (find_fde): Convert for loop to do-while so compiler
15836 sees it's always executed at least once.
15837 * libgcc2.c (BBINBUFSIZE): Kill.
15838 (__bb_init_prg): Use fgets.
15839 (__bb_exit_trace_func): Don't paste strings.
15840 * unroll.c (unroll_loop): Initialize unroll_type, not
15841 unroll_number, and tweak logic to match.
15843 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
15845 (ix86_flags_dependant): Likewise. Disentangle control flow.
15846 (ix86_sched_reorder): Break guts out to
15847 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
15848 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
15851 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
15852 use string concatenation. Don't save and restore esi.
15854 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
15855 (machname.h): Remove script to separate file. Use two-step
15856 sequence so target is not created if script fails.
15857 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
15858 identifiers are defined.
15859 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
15860 an empty string, machine_name doesn't need to do anything at
15862 (is_cxx_header): Add more cases to regexp.
15863 * fixinc/fixlib.h: Update prototype.
15864 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
15866 * fixinc/fixincl.c: Define NO_BOGOSITY.
15868 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
15869 (hp_sysfile): Add missing comma.
15870 (math_exception): Put the wrapper ifdefs at the beginning and
15871 the end of the file.
15872 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
15874 2000-02-01 Richard Henderson <rth@cygnus.com>
15876 * sparc.c (fp_zero_operand): Turn into a normal predicate.
15877 Use CONST0_RTX. Update all callers.
15878 * sparc.h, sparc-protos.h: Update accordingly.
15879 * sparc.md (fp mov insns): Use fp_zero_operand directly
15882 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15884 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
15887 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15889 * Makefile.in (specs.ready): New target.
15890 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
15892 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15894 * fixinc.irix: Use unique filenames for writing into /tmp,
15895 * fixinc.ptx: Likewise.
15896 * fixinc.sco: Likewise.
15897 * fixinc.svr4: Likewise.
15898 * fixinc.winnt: Likewise.
15900 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15902 * tsystem.h: New file.
15904 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
15905 s-crtS): Depend on tsystem.h.
15907 * crtstuff.c: Include tsystem.h.
15908 * frame.c: Likewise.
15909 * libgcc2.c: Likewise.
15911 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
15913 * builtins.c (expand_builtin_memset): Expand for variable sized
15916 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
15918 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
15921 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15923 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
15925 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
15927 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
15929 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
15930 case 3->2 combining (combining with splitting) in which 2 is CC0
15931 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
15932 checked at the begining of the function with the aid of calling
15933 function 'can_combine_p'.
15935 2000-01-31 Dave Brolley <brolley@redhat.com>
15937 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
15939 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
15941 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
15944 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15946 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
15948 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
15951 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15953 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
15954 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
15955 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
15956 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
15957 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
15958 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
15959 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
15960 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
15961 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
15962 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
15964 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
15965 Add %(cpp_cpu) to CPP_SPEC.
15967 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
15968 Add %(cc1_cpu) to CC1_SPEC.
15970 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15972 * c-decl.c (c_decode_option): Accept optional numeric argument to
15973 -Wformat and set warn_format.
15974 * c-common.c: Don't emit warning about non-constant printf format
15975 string unless warn_format > 1.
15977 2000-01-30 Richard Henderson <rth@cygnus.com>
15979 * alpha.md (return_internal): Allow after reload only.
15981 2000-01-30 Richard Henderson <rth@cygnus.com>
15983 * i386.c (ix86_compute_frame_size): Omit padding1 if the
15984 local frame size is zero.
15986 2000-01-30 Richard Henderson <rth@cygnus.com>
15988 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
15989 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
15990 * alpha.md (return): Turn into an expander.
15991 (return_internal): Don't use $26.
15992 (epilogue): Emit the return insn.
15994 2000-01-30 Richard Henderson <rth@cygnus.com>
15996 * alpha.md (negtf2, abstf2): Fix word order thinko.
15997 (extendsftf2): New.
15998 (trunctfsf2): Avoid intermediate rounding errors.
16000 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
16002 * cppfiles.c (find_position): Drop 'colp' argument, return the
16004 (read_and_prescan): Adjust to match. Don't ever manipulate
16005 line or line_base except via find_position.
16007 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
16009 * c-parse.in: Apply Ulrich's changes from c-parse.y.
16010 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
16013 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
16015 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
16016 just print "<command line>". If 'filename' is null or an
16017 empty string, print "<stdin>" for the filename.
16018 * cpplib.c (do_define): Don't print the 'location of the
16019 previous definition' message if we're still parsing the
16021 (cpp_pedwarn_with_file_and_line): Always call
16022 cpp_file_line_for_message.
16024 2000-01-29 Mark Mitchell <mark@codesourcery.com>
16026 * flow.c (mark_regs_live_at_end): Fix typo.
16028 2000-01-28 Ulrich Drepper <drepper@redhat.com>
16030 * c-common.c: Adjust variable names, comments, help strings to c99.
16031 * c-lex.c: Likewise.
16032 * c-parse.y: Likewise.
16033 * c-tree.h: Likewise.
16034 * cccp.c: Likewise.
16035 * cpplib.h: Likewise.
16036 * c-decl.c: Likewise. Recognize options with names "*99" as well.
16037 * cppinit.c: Likewise.
16039 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16041 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
16042 * c4x.c: Define the optab rtx values.
16043 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
16044 (c4x_emit_libcall): Use new optab rtx values.
16045 (c4x_emit_libcall3): Likewise.
16046 (c4x_emit_libcall_mulhi): Likewise.
16047 * c4x-protos.h: Add prototypes for optab rtx values and change
16048 prototypes for above c4x_emit_libcall functions.
16050 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16052 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
16054 (c4x_function_prologue): Use regnames intead of float_reg_names when
16056 (c4x_function_epilogue): Likewise.
16057 (c4x_print_operand): Likewise.
16058 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
16059 * c4x.md (set_high): Disable for TARGET_TI.
16061 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16063 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
16064 of framepointer + constant to ADDR_REGS class.
16065 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
16066 * c4x.c (std_or_reg_operand): New function.
16067 * c4x-protos.h (std_or_reg_operand): Prototype it.
16069 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16071 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
16072 object names as libgcc2.c.
16073 * libgcc.S: Use newly defined names.
16075 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
16076 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
16078 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
16079 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
16080 (FLOW_LOOP_LAST_BLOCK): Likewise.
16082 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16084 * basic-block.h (struct loop): New fields 'first' and 'last'.
16085 * flow.c (flow_loops_find): Compute loop->first and loop->last.
16086 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
16087 and loop->last to check for NOTE_INSN_LOOP_END.
16089 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
16091 * predict.c (estimate_probability): Use the new FIRST and LAST fields
16092 of the loop descriptor rather than HEADER and LATCH. Also added
16093 missing break statements as well making some coding style modifications
16094 as suggested by Michael Hayes.
16096 2000-01-28 Richard Henderson <rth@cygnus.com>
16098 * flow.c (find_basic_blocks): Remove do_cleanup argument.
16099 Break out that code ...
16100 (cleanup_cfg): ... here.
16101 (commit_one_edge_insertion): Detect a return instruction being
16102 emitted to an edge. Emit a barrier following; clear fallthru.
16103 (commit_edge_insertions): Verify CFG consistency.
16104 * function.c (expand_function_start): Kill unused variable.
16105 (expand_function_end): Likewise.
16106 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
16107 to insert the epilogue.
16109 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
16110 (delete_null_pointer_checks): Likewise.
16111 * output.h: Likewise.
16112 * reg-stack.c (reg_to_stack): Likewise.
16113 * toplev.c (rest_of_compilation): Likewise. Run
16114 thread_prologue_and_epilogue_insns after rebuilding the CFG.
16116 2000-01-28 Richard Henderson <rth@cygnus.com>
16118 * Makefile.in (flow.o): Revert 24 Jan change.
16119 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
16120 FUNCTION_VALUE result to DECL_RESULT's mode.
16122 * haifa-sched.c (schedule_insns): Don't recompute reg info
16125 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
16127 * configure.in: Make --enable-cpplib the default.
16128 * configure: Regenerate.
16129 * gcc.dg/990119-1.c: No longer expected to fail.
16131 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
16133 * jump.c (jump_optimize_1): Delete an optimization that is also done
16134 by merge_blocks in flow.
16136 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16138 * diagnostic.c (build_message_string, output_printf,
16139 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
16140 (build_location_prefix): Fix non-literal format string.
16142 2000-01-27 Richard Henderson <rth@cygnus.com>
16144 * alpha.md (trunctfsf2): New.
16146 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
16148 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
16150 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
16152 * cppinit.c (cpp_handle_option): Recognize C++ comments under
16154 * cpplib.c (skip_block_comment, skip_line_comment): Split code
16156 (skip_comment) ... here. Permit C++ comments in system
16157 headers always. Warn about C++ comments in user code under
16158 -std=gnu89 -pedantic.
16159 (copy_comment): Use skip_comment.
16160 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
16162 (consider_directive_while_skipping, do_else, do_endif): Call
16163 validate_else unconditionally.
16164 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
16165 text after the conditional in a system header.
16166 * cpplib.h (struct cpp_buffer): Add flag
16167 warned_cplusplus_comments.
16169 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
16171 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
16172 Use unshare_all_rtl_1.
16173 (unshare_all_rtl_again): New function.
16174 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
16176 * function.c (purge_addressof_1): Use unshare_all_rtl_again
16177 rather than resetting the 'used' flags ourself.
16179 * toplev.c (rest_of_compilation): Add current_function_decl
16180 to the unshare_all_rtl call.
16181 * tree.h: Prototype unshare_all_rtl.
16182 * rtl.h: Prototype unshare_all_rtl_again here.
16184 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
16186 * genoutput.c (output_prologue): Include ggc.h in generated
16188 * Makefile.in (insn-output.o): Depends on ggc.h.
16190 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
16191 Hans-Peter Nilsson <hp@bitrange.com>
16193 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
16194 Remove redundant include of xm-ns32k.h.
16195 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
16196 Remove redundant include of xm-ns32k.h.
16197 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
16198 Remove redundant include of xm-ns32k.h.
16199 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
16201 * ns32k/ns32k.h: Update comment on multiply-add instructions.
16202 (TARGET_SWITCHES): Add documentation strings.
16203 (DWARF_FRAME_REGNUM): Override default definition.
16204 (REG_CLASS_CONTENTS): Add comments.
16205 (SUBSET_P): Format to reduce line length.
16206 (SMALL_REGISTER_CLASSES): Make a run time option.
16207 (GO_IF_NONINDEXED_ADDRESS): Reformat.
16208 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
16209 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
16210 (regclass_map): fix typo in comment.
16211 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
16212 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
16213 (trace, reg_or_mem_operand): Delete, unused function.
16214 (calc_address_cost): Small offsets are cheaper than large ones.
16215 (expand_block_move): Generate more efficient code when bytes is a
16216 known at compile time.
16217 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
16218 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
16219 instead of reg_or_mem_operand.
16221 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
16222 not general_operand. Similarly use "=rm" or stricter, not "=g".
16223 For input operands, use stricter constraints than "g" if not
16224 general_operand. Similarly use stricter predicate than
16225 "general_operand" when stricter constraints than "g" are present,
16226 except for matching constraints.
16227 (movstrsi): Use "memory_operand" for operands 0 and 1.
16228 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
16229 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
16230 not reg_or_mem_operand.
16231 (udivmoddisi4): Ditto.
16232 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
16233 Use nonimmediate_operand for operand 3, not register_operand.
16234 (udivmoddiqi4_internal): Use register_operand for operand 1, not
16235 reg_or_mem_operand.
16237 2000-01-27 Fred Fish <fnf@be.com>
16239 * gthr-posix.h: Fix typo; compatibily -> compatibility.
16240 * gthr-single.h: Likewise.
16241 * gthr-solaris.h: Likewise.
16242 * gthr-vxworks.h: Likewise.
16243 * gthr-win32.h: Likewise.
16244 * gthr.h: Likewise.
16246 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
16248 * cppinit.c: Add " (cpplib)" to end of string printed by
16251 2000-01-27 Richard Henderson <rth@cygnus.com>
16253 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
16254 testing for a signed comparison.
16255 (alpha_emit_floatuns): New.
16256 * alpha-protos.h: Declare it.
16257 * alpha.md (floatunsdisf2, floatunsdidf2): New.
16258 (extendsfdf2): Tidy.
16260 2000-01-27 Jakub Jelinek <jakub@redhat.com>
16262 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
16263 no -g option specifying debugging format, default to -gstabs+.
16265 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16267 * calls.c (special_function_p): New argument fork_or_exec.
16268 (expand_call): When profile_arc_flag is set and the function
16269 is in the fork_or_exec group, call __bb_fork_func first.
16270 * libgcc2.c, _bb module (__bb_fork_func): New function.
16271 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
16273 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
16274 * tree.h (special_function_p): Update prototype.
16276 2000-01-26 Richard Henderson <rth@cygnus.com>
16278 * alpha.c (alpha_split_tfmode_pair): New.
16279 * alpha-protos.h: Declare it.
16280 * alpha.md (abstf2, negtf2): New.
16281 (movtf insn): Add input G constraint.
16282 (movtf splitter): Use alpha_split_tfmode_pair.
16284 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16286 * i386/cygwin.h: PROTO -> PARAMS.
16288 2000-01-26 Jakub Jelinek <jakub@redhat.com>
16290 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
16291 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
16292 using _Qp_cmp/_Q_cmp and testing the return value.
16293 (print_operand): Call reverse_condition_maybe_unordered if
16294 we are handling CCFPmode or CCFPEmode.
16295 Handle ORDERED, UN* and LTGT comparisons.
16296 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
16297 if not TARGET_HARD_QUAD.
16298 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
16299 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
16300 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
16301 Adjust gen_b* calls so that they reflect return comparison of
16302 sparc_emit_float_lib_cmp.
16304 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16306 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
16307 incoming operands array is large enough for one more operand.
16308 (alpha_emit_xfloating_arith): Likewise.
16310 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16312 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
16313 file with one line and no trailing newline.
16314 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
16315 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
16316 checking if the match is on the line.
16317 * fixinc/gnu-regex.c: Provide regerror not __regerror.
16319 2000-01-25 Richard Henderson <rth@cygnus.com>
16321 * sparc.c (output_cbranch): Fix accidental squashing of the
16322 fp branch pre-delay nop.
16324 2000-01-25 Richard Henderson <rth@cygnus.com>
16326 * tree.def (UNNE_EXPR): Remove.
16327 * c-typeck.c (build_binary_op): Don't handle it.
16328 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
16330 * rtl.def (UNNE): Remove.
16332 * jump.c (reverse_condition): Update accordingly.
16333 (swap_condition): Likewise.
16334 (comparison_dominates_p): Handle unordered comparisons.
16335 (reverse_condition_maybe_unordered): New.
16336 * rtl.h (reverse_condition_maybe_unordered): Declare.
16338 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
16339 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
16340 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
16341 * sparc.md (bltgt): New.
16343 2000-01-25 Nick Clifton <nickc@redhat.com>
16345 * emit-rtl.c (emit_insn): Only check machine class insns for
16346 improper emission of a RETURN.
16348 2000-01-25 Richard Henderson <rth@cygnus.com>
16350 * Makefile.in (flow.o): Depend on $(EXPR_H).
16351 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
16352 duplicate the structure of diddle_return_value for keeping regs live.
16354 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16356 * loop.c (current_loop_info): Delete.
16357 (consec_sets_invariant_p): Add loop argument, update callers.
16358 (get_condition_for_loop): Likewise.
16359 (count_nonfixed_reads, update_giv_derive): Likewise.
16360 (simplify_giv_expr, general_induction_var): Likewise.
16361 (consec_sets_giv, recombine_givs): Likewise.
16362 (move_movables): Delete loop_start and loop_end arguments,
16363 add loop argument, and update callers.
16364 (find_mem_givs, check_final_value): Likewise.
16365 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
16366 (loop_invariant_p): Rename from invariant_p, add loop argument, and
16368 (basic_induction_var): Add loop argument, delete loop_level argument,
16369 and update callers.
16370 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
16371 add loop argument, and update callers.
16372 (find_splittable_regs, find_splittable_givs): Likewise.
16373 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
16374 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
16375 (biv_total_increment): Delete loop_start and loop_end arguments;
16377 (precondition_loop_p): Delete loop_start and loop_info arguments;
16379 * loop.h (get_condition_for_loop): Add loop argument.
16380 (biv_total_increment): Delete loop_start and loop_end arguments.
16381 (precondition_loop_p): Delete loop_start and loop_info arguments;
16383 (final_biv_value): Delete loop_start and loop_end arguments;
16385 (final_giv_value, back_branch_in_range_p): Likewise.
16387 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16389 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
16391 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16393 * Makefile.in (c-gperf.h) : Change the "See" pointer to
16394 point to the new "generated_files" doc.
16396 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16398 * config/fp-bit.c (_unord_f2): Fix typo.
16400 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16402 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
16403 c-typeck.c, objc/objc-act.c: Remove all references to obstack
16404 functions obsoleted by GC, such as push_obstacks_nochange,
16405 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
16406 and code which existed only to decide whether or not to call
16407 them. Remove now-unused NESTED argument from start_function;
16408 all callers changed. Do not change behavior based on ggc_p.
16409 The use of the ixp_obstack in c-iterate.c and the util_obstack
16410 in objc/objc-act.c remain; these are not obsoleted by garbage
16412 * c-tree.h: Update prototype for start_function.
16414 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
16416 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16418 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
16421 2000-01-25 Richard Henderson <rth@cygnus.com>
16423 * sparc-protos.h (select_cc_mode): Declare.
16424 * sparc.c (select_cc_mode): New. Handle unordered compares.
16425 (output_cbranch): Always reverse via code change. Handle
16426 unordered compares. Factor tests and string updates.
16427 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
16428 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
16429 * sparc.md (bunordered, bordered): New.
16430 (bungt, bunlt, buneq, bunge, bunle): New.
16432 2000-01-25 Richard Henderson <rth@cygnus.com>
16434 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
16435 * ggc-common.c (ggc_add_rtx_varray_root): New.
16436 (ggc_mark_rtx_varray): New.
16437 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
16438 functions down below ggc_mark_foo.
16439 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
16441 2000-01-25 Richard Henderson <rth@cygnus.com>
16443 * alpha.c (secondary_reload_class): Don't allocate a secondary
16444 for integral mode memories into FLOAT_REGS. Rearrange the more
16445 complicated memory expression inward.
16447 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16449 * inclhack.def: Fixes to play nicer with FreeBSD, and
16450 corrections to comments.
16451 (cxx_unready): Add select expression.
16452 (irix_sockaddr): Add bypass expression.
16453 (machine_ansi_h_va_list): New fix.
16454 (stdio_va_list): No need to edit _BSD_VA_LIST_.
16455 Split out addition of "#include <stdarg.h>" to...
16456 (stdio_stdarg_h): ... here.
16457 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
16458 to stdlib.h also. Do not munge _BSD_SIZE_T_.
16459 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
16461 (ultrix_ifdef): Tighten up select expression.
16463 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
16464 re_ct and max_mach to avoid use of shell. Make printed names
16465 match names in inclhack.def. Use static copyright date.
16466 Don't count c_test and test expressions as requiring regex_t
16467 slots. Add some commentary.
16468 * inclhack.tpl: Do not include the 'This script contains N
16469 fixup scripts' line if PROGRAM is defined. Use static
16472 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
16474 * dwarf2out.c: include "varray.h", not dyn-string.h.
16475 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
16476 (addr_const_to_string, addr_to_string): Lose.
16477 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
16478 (struct dw_val_struct): val_addr is now an rtx.
16479 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
16480 (used_rtx_varray): New varray.
16481 (dwarf2out_init): Initialize it.
16482 (save_rtx): New fn.
16483 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
16485 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
16486 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
16487 * Makefile.in (dwarf2out.o): Update dependencies.
16489 2000-01-24 Richard Henderson <rth@cygnus.com>
16491 * i386.c (i386_dwarf_output_addr_const): New.
16492 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
16494 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
16496 * dwarfout.c (output_mem_loc_descriptor): Likewise.
16497 * i386.c (i386_simplify_dwarf_addr): New.
16498 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
16500 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
16502 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
16503 TYPE_STUB_DECL is NULL.
16505 2000-01-24 Richard Henderson <rth@cygnus.com>
16507 * builtins.c (expand_tree_builtin): Move ...
16508 * c-common.c (expand_tree_builtin): ... here.
16510 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16512 * loop.h (LOOP_INFO): New accessor macro.
16513 * basic-block.h (struct loop): Rename field `info' to `aux'.
16514 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
16515 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
16516 * unroll.c (loop_iterations, unroll_loop): Likewise.
16518 2000-01-24 Christopher Faylor <cgf@cygnus.com>
16520 * config/i386/t-cygwin: Accomodate new winsup directory layout
16521 when searching for include files.
16523 2000-01-24 Richard Henderson <rth@cygnus.com>
16525 * rtl.def: Add unordered fp comparisions.
16526 * tree.def: Likewise.
16527 * tree.h: Add ISO C 9x unordered fp comparision builtins.
16529 * builtins.c (expand_tree_builtin): New function.
16530 * c-typeck.c (build_function_call): Use it.
16531 (build_binary_op): Support unordered compares.
16532 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
16534 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
16535 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
16536 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
16537 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
16538 * jump.c (reverse_condition): Don't abort for UNLE etc, but
16540 (swap_condition): Handle unordered compares.
16541 (thread_jumps): Check can_reverse before reversing.
16542 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
16545 * optabs.c (can_compare_p): New argument CODE. Verify branch or
16546 setcc is present before acking for cmp_optab. Update all callers.
16547 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
16548 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
16549 * expr.c (expand_expr): Likewise. Support unordered compares.
16550 (do_jump, do_store_flag): Likewise.
16551 * expr.h (enum libfunc_index): Add unordered compares.
16553 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
16554 (DPBIT_FUNCS): Add _unord_df.
16555 * config/fp-bit.c (_unord_f2): New.
16556 * fp-test.c (main): Try unordered compare builtins.
16558 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
16559 * alpha.c (alpha_comparison_operator): Check mode properly.
16560 (alpha_swapped_comparison_operator): Likewise.
16561 (signed_comparison_operator): Likewise.
16562 (alpha_fp_comparison_operator): New.
16563 (alpha_emit_conditional_branch): Handle unordered compares.
16564 * alpha.h (PREDICATE_CODES): Update.
16565 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
16566 (bunordered, bordered): New.
16568 2000-01-24 Richard Henderson <rth@cygnus.com>
16570 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
16571 * alpha.md (movtf): New expander, insn, and splitter.
16573 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
16575 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16578 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
16580 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
16581 (FIXED_REGISTERS, CALL_USED_REGISTERS,
16582 REG_ALLOC_ORDER): Add frame pointer
16583 (FRAME_POINTER_REGNUM): Set to 20
16584 (HARD_FRAME_POINTER_REGNUM): New macro.
16585 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
16586 to HARD_FRAME_POINTER.
16587 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
16588 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
16589 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
16590 (HI_REGISTER_NAMES): Add "frame".
16591 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
16592 (debug_reg): Handle FRAME_POINTER_REGNUM.
16593 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
16594 GENERAL_REGS and INDEX_REGS.
16595 * i386.c (SAVED_REGS_FIRST): new macro.
16596 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
16597 (ix86_decompose_address, memory_address_length): Likewise.
16598 (regclass_map): Add frame pointer.
16599 (call_insn_operand): Handle frame_pointer_rtx.
16600 (reg_no_sp_operand): Likewise.
16601 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
16602 (print_operand, legitimize_pic_address): Fix formating.
16603 (ix86_compute_frame_size): Make static, update prototype, new
16604 parameters padding1, padding2, use ix86_nsaved_regs, use
16605 stack_alignment_needed.
16606 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
16607 to HARD_FRAME_POINTER_REGNUM conversions.
16608 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
16609 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
16610 (print_reg): Abort on FRAME_POINTER_REGNUM
16612 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
16614 * i386.h (PREDICATE_CODES): Add aligned_operand.
16615 * i386.c (aligned_operand): New function.
16616 (ix86_aligned_p): Kill.
16617 * i386.md (movhi_1): Emit mov for aligned operands.
16618 (promoting peep2s): Use aligned_operand.
16620 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
16622 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
16623 expression to allow underscores in macro names.
16624 (fix_char_macro_defines): Increment scanning pointer.
16626 2000-01-23 Richard Henderson <rth@cygnus.com>
16628 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
16629 * alpha/osf5.h: New file.
16630 * configure.in (alpha-*-osf5): Add it to tm_file.
16632 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
16634 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
16635 (alpha_emit_xfloating_cvt, function_arg): Declare.
16636 * alpha.c (alpha_emit_conditional_branch): Call
16637 alpha_emit_xfloating_compare for TFmode compares.
16638 (alpha_lookup_xfloating_lib_func): New.
16639 (alpha_compute_xfloating_mode_arg): New.
16640 (alpha_emit_xfloating_libcall): New.
16641 (alpha_emit_xfloating_arith): New.
16642 (alpha_emit_xfloating_compare): New.
16643 (alpha_emit_xfloating_cvt): New.
16644 (print_operand): Add default abort case.
16645 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
16646 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
16647 (BIGGEST_ALIGNMENT): Increase to 128 bits.
16648 (RETURN_IN_MEMORY): True for TF/TCmode.
16649 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
16650 (FUNCTION_ARG): Move to function_arg.
16651 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
16652 (ASM_OUTPUT_LONG_DOUBLE): New.
16653 (ASM_OUTPUT_DOUBLE): Always output bits.
16654 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
16655 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
16656 (extenddftf2, trunctfdf2): New.
16658 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16660 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
16661 * config/sparc/sol2.h: ... here.
16663 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16665 * basic-block.h (struct loops): New field `levels'.
16666 * flow.c (flow_loops_level_compute): Traverse all outer loops.
16667 (flow_loop_level_compute): Initialise level to 1.
16668 (flow_loops_find): Set loops->levels.
16669 (flow_loops_dump): Print loops->levels.
16671 2000-01-23 Richard Henderson <rth@cygnus.com>
16673 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
16674 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
16676 2000-01-23 Richard Henderson <rth@cygnus.com>
16678 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
16679 * i386.h (DBX_REGISTER_NUMBER): Use them.
16680 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
16681 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
16682 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
16683 * i386/sequent.h: Kill incorrect comment.
16685 2000-01-23 Mark Mitchell <mark@codesourcery.com>
16687 * ggc-page.c (struct page_entry): Make `context_depth' an
16689 (struct globals): Likewise.
16691 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
16693 * loop.c (check_dbra_loop): When checking a loop for
16694 reversability, check the source of any stores to ensure
16695 they don't depend on an initial value.
16697 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16699 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
16701 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
16703 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
16704 'pz_scan' into scope of entire function. Only affects
16705 compiles with -DDEBUG.
16707 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
16709 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
16710 section naming to that prior to 2000-01-07 patch.
16711 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
16712 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
16713 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
16714 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
16715 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
16717 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
16719 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
16722 2000-01-21 Jim Wilson <wilson@cygnus.com>
16724 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
16725 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
16727 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16729 * cpphash.c (change_newlines): Delete function.
16730 (struct argdata): Delete 'newlines' and 'use_count' fields.
16731 (macroexpand): Remove code referencing those fields.
16733 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16735 * loop.c (loops_info): New variable.
16736 (loop_optimize): Allocate loops->array and free it on exit.
16737 Allocate memory for loops_info and assign to each loop,
16739 (find_and_verify_loops): Do not allocate loops->array.
16741 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16743 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
16745 2000-01-21 Jakub Jelinek <jakub@redhat.com>
16747 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
16748 pseudos if expanded after first flow.
16749 (movdi_pic_label_ref): Likewise.
16751 2000-01-20 Richard Henderson <rth@cygnus.com>
16753 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
16755 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
16757 * Makefile.in (fixinc.sh): Depend on specs.
16758 * fixinc/Makefile.in: Add rule to create machname.h.
16759 (fixlib.o): Depend on machname.h.
16760 * fixinc/fixtests.c (machine_name): New test.
16761 * fixinc/fixfixes.c (machine_name): New fix.
16762 * fixinc/fixlib.c (mn_get_regexps): New helper function for
16763 the machine_name test and fix.
16764 * fixinc/fixlib.h: Prototype it.
16765 * fixinc/inclhack.def (machine_name): Use the C test and fix.
16766 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
16768 * gcc.c (do_spec_1) [case P]: Take care not to create
16769 identifiers with three leading or trailing underscores.
16771 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
16772 (fixincl): Don't specify libraries twice on link line.
16773 (gnu-regex.o): Remove special rule.
16774 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
16775 defined by config.h. Do not define _REGEX_RE_COMP.
16776 (regcomp): Allocate and initialize a fastmap.
16777 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
16779 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
16781 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
16783 2000-01-19 Richard Henderson <rth@cygnus.com>
16785 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
16786 arguments with BB. Update all callers. Tidy line wrapping.
16788 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
16790 * emit-rtl.c (try_split): Return last_insn if we split the
16793 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
16795 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
16796 (ix86_initial_elimination_offset): Declare.
16797 * i386.c (ix86_nsaved_regs): Break out from ...
16798 (ix86_can_use_return_insn_p): ... here.
16799 (ix86_emit_save_regs): Break out from ...
16800 (ix86_expand_prologue): ... here.
16801 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
16803 (ix86_expand_epilogue): ... here.
16804 (ix86_compute_frame_size): Make static, add prototype.
16805 (ix86_initial_elimination_offset): Break out from ...
16806 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
16808 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16810 * recog.h (OUT_FCN): Delete.
16812 * vax.md: Call `get_insn_template' instead of OUT_FCN.
16814 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16816 * cppalloc.c: PROTO -> PARAMS.
16817 * cpperror.c: Likewise.
16818 * cppfiles.c: Likewise.
16819 * cpplib.c: Likewise.
16820 * cpplib.h: Likewise.
16822 * config/arm/arm-protos.h: PROTO -> PARAMS.
16823 * config/arm/arm.c: Likewise.
16824 * config/c4x/c4x.c: Likewise.
16825 * config/fr30/fr30-protos.h: Likewise.
16826 * config/nextstep.c: Likewise.
16827 * config/pa/pa.c: Likewise.
16828 * config/pj/pj.c: Likewise.
16829 * config/rs6000/rs6000.c: Likewise.
16830 * config/v850/v850-protos.h: Likewise.
16831 * config/v850/v850.c: Likewise.
16833 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16835 * i370-protos.h: New file.
16837 * i370.c: Include tm_p.h. Fix compile time warnings.
16839 * i370.h: Move prototypes to i370-protos.h. Fix compile time
16842 * i370.md: Likewise.
16844 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16846 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
16847 (target_isinf, target_isnan, eisnan): Mark parameter with
16849 (eiisinf): Wrap in INFINITY.
16850 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
16851 (ibmtoe): Remove unused variable `rndsav'.
16853 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16855 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
16856 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
16858 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
16860 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
16861 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
16862 (fix_char_macro_defines, fix_char_macro_uses): New functions.
16864 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
16865 Recognize Emacs mode markers also.
16866 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
16867 C++ comments in C++ headers. Call is_cxx_header only if
16870 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
16871 bypass for ncurses.
16872 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
16873 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
16874 ... these, which use the new C fixes.
16875 (math_exception): Escape literal '+' in bypass expression.
16877 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
16880 2000-01-19 Geoff Keating <geoffk@cygnus.com>
16882 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
16885 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16887 * loop.c (loop_optimize): Allocate loop_info structure for each loop
16888 prior to calling scan_loop.
16890 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16892 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
16893 (split_branches, calc_live_regs): Likewise.
16895 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16897 * sh.md (fpu_single, fp_mode): New attributes.
16899 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16901 * loop.c (current_loop_info): Renamed from loop_info_data
16902 and changed to a pointer.
16903 (loop_optimize): Allocate loop_info structure for each loop
16904 and initialise to zero.
16905 (scan_loop): Set current_loop_info.
16907 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
16910 2000-01-19 Richard Henderson <rth@cygnus.com>
16912 * stupid.c: Die die die.
16913 * Makefile.in (OBJS): Remove stupid.o.
16914 (stupid.o): Likewise.
16916 * except.c (emit_eh_context): Don't emit USEs for stupid.
16917 * explow.c (probe_stack_range): Likewise.
16918 * flags.h (obey_regdecls): Remove.
16919 * flow.c (find_basic_blocks): Don't run try_merge_blocks
16920 when not optimizing.
16921 (life_analysis): Limit data collection when not optimizing.
16922 (mark_regs_live_at_end): Always mark the return value registers.
16923 (mark_used_regs): Remove dummy RETURN case.
16924 (print_rtl_with_bb): Don't consult obey_regdecls.
16925 * function.c (use_variable, use_variable_after): Remove.
16926 (assign_parms): Consult optimize not obey_regdecls.
16927 (expand_function_start): Don't emit USEs for stupid.
16928 (expand_function_end): Likewise.
16929 * global.c (build_insn_chain): Export.
16930 * integrate.c (expand_inline_function): Kill return-value USE
16932 * jump.c (jump_optimize_1): Do simple jump optimizations and
16933 dead code elimination.
16934 (calculate_can_reach_end): Remove check_deleted argument.
16935 (delete_insn): Patch out insns even when not optimizing.
16936 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
16937 * rtl.h (use_variable, use_variable_after): Remove declarations.
16938 (build_insn_chain): Declare.
16939 * stmt.c (expand_value_return): Don't emit USEs for stupid.
16940 (expand_end_bindings): Likewise.
16941 (expand_decl): Likewise. Consult optimize not obey_regdecls.
16942 * toplev.c (obey_regdecls): Remove.
16943 (rest_of_compilation): Don't set it. Kill stupid in favour of
16944 flow1, local-alloc, and reload.
16945 (main): Don't set obey_regdecls.
16947 * config/nextstep.c (handle_pragma): Likewise.
16949 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
16951 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
16953 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16955 * alpha-protos.h: PROTO -> PARAMS.
16956 * alpha.c: Likewise.
16958 * h8300.c: Likewise.
16959 * i386-protos.h: Likewise.
16960 * i386.c: Likewise.
16961 * m32r-protos.h: Likewise.
16962 * m32r.c: Likewise.
16963 * mips.c: Likewise.
16964 * mips.md: Likewise.
16965 * gmon-sol2.c: Likewise.
16966 * sparc.c: Likewise.
16968 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16970 * ns32k-protos.h: New file.
16972 * ns32k.c: Fix compile time warnings.
16974 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
16977 * ns32k.md: Likewise.
16979 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16981 * vax-protos.h: New file.
16983 * vax.c: Fix compile time warnings.
16985 * vax.h: Move prototypes to vax-protos.h. Fix compile time
16988 * vax.md: Likewise.
16990 * vaxv.md: Likewise.
16992 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16994 * romp-protos.h: New file.
16996 * romp.c: Fix compile time warnings.
16998 * romp.h: Move prototypes to romp-protos.h. Fix compile time
17001 * romp.md: Likewise.
17003 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17005 * we32k-protos.h: New file.
17007 * we32k.c: Fix compile time warnings.
17009 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
17012 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17014 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
17016 * except.c (eh_regs): Likewise.
17018 * final.c (output_operand): Likewise.
17020 * fold-const.c (target_isinf, target_isnan): Likewise.
17022 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17024 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
17025 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
17027 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
17028 when optimize_size.
17029 (clrstrsi): Rewrite.
17030 (strsethi, strsetqi): New expanders.
17031 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
17032 (cmpstrsi): Emit compare insn before cmpstrsi_1
17033 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
17034 (strlensi_1): Likewise.
17035 (cmpstrsi_1): Likewise; do not output compare.
17036 (strlen expander): Do not unroll when optimizing for size.
17037 (*subsi3_carry): Rename to subsi3_carry
17038 (addqi3_cc): New pattern.
17039 * i386.h (processor_costs): Add move_ratio field.
17040 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
17041 * i386.c (*_cost): Set move_ratio.
17042 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
17043 (x86_expand_strlensi_1): Rewrite the main loop.
17045 2000-01-17 Richard Henderson <rth@cygnus.com>
17047 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
17048 * cse.c (find_comparison_args, fold_rtx): Likewise.
17049 * integrate.c (subst_constants): Likewise.
17050 * loop.c (get_condition): Likewise.
17052 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
17054 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
17056 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
17058 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
17059 (RESTORE_WARN_FLAGS): Unpack it.
17060 Change semantic type of extension to ttype.
17061 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
17062 * c-parse.y, c-parse.c, objc/objc-parse.y,
17063 objc/objc-parse.c: Regenerate.
17065 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
17067 * fixinc/fixlib.c: Add copyright notice.
17068 (compile_re): New function.
17069 * fixinc/fixlib.h: Prototype compile_re.
17071 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
17072 Use compile_re to compile regular expressions.
17074 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
17075 where the pattern matched.
17077 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
17079 (ultrix_ansi_compat): Likewise.
17080 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
17082 (interactv_add2, interactv_add3): Delete.
17083 (x11_sprintf): Don't use filename glob.
17084 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
17087 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17089 * print-rtl.c: PROTO -> PARAMS.
17090 * real.c: Likewise.
17091 * reg-stack.c: Likewise.
17092 * resource.c: Likewise.
17093 * sdbout.h: Likewise.
17094 * simplify-rtx.c: Likewise.
17095 * stor-layout.c: Likewise.
17096 * stupid.c: Likewise.
17097 * xcoffout.c: Likewise.
17098 * xcoffout.h: Likewise.
17100 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17102 * toplev.c: PROTO -> PARAMS.
17103 * toplev.h: Likewise.
17104 * tree.c: Likewise.
17105 * tree.h: Likewise.
17106 * unroll.c: Likewise.
17107 * varasm.c: Likewise.
17108 * varray.c: Likewise.
17109 * varray.h: Likewise.
17111 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17113 * reload.c: PROTO -> PARAMS.
17114 * reload.h: Likewise.
17115 * reload1.c: Likewise.
17116 * reorg.c: Likewise.
17117 * resource.h: Likewise.
17120 * rtlanal.c: Likewise.
17121 * sbitmap.h: Likewise.
17122 * sdbout.c: Likewise.
17123 * stack.h: Likewise.
17124 * stmt.c: Likewise.
17125 * system.h: Likewise.
17127 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17129 * machmode.h: PROTO -> PARAMS.
17130 * mbchar.h: Likewise.
17131 * mips-tdump.c: Likewise.
17132 * mips-tfile.c: Likewise.
17133 * optabs.c: Likewise.
17134 * output.h: Likewise.
17135 * prefix.c: Likewise.
17136 * profile.c: Likewise.
17137 * protoize.c: Likewise.
17138 * real.h: Likewise.
17139 * recog.c: Likewise.
17140 * recog.h: Likewise.
17141 * regclass.c: Likewise.
17142 * regmove.c: Likewise.
17143 * regs.h: Likewise.
17145 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17147 * ggc-common.c: PROTO -> PARAMS.
17148 * ggc-page.c: Likewise.
17149 * ggc-simple.c: Likewise.
17151 * global.c: Likewise.
17152 * graph.c: Likewise.
17153 * gthr-win32.h: Likewise.
17154 * haifa-sched.c: Likewise.
17155 * halfpic.h: Likewise.
17156 * integrate.c: Likewise.
17157 * integrate.h: Likewise.
17158 * jump.c: Likewise.
17160 * local-alloc.c: Likewise.
17161 * loop.c: Likewise.
17162 * loop.h: Likewise.
17164 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17166 * genattr.c: PROTO -> PARAMS.
17167 * genattrtab.c: Likewise.
17168 * gencheck.c: Likewise.
17169 * gencodes.c: Likewise.
17170 * genconfig.c: Likewise.
17171 * genemit.c: Likewise.
17172 * genextract.c: Likewise.
17173 * genflags.c: Likewise.
17174 * gengenrtl.c: Likewise.
17175 * genopinit.c: Likewise.
17176 * genoutput.c: Likewise.
17177 * genpeep.c: Likewise.
17178 * genrecog.c: Likewise.
17180 2000-01-16 Mark Mitchell <mark@codesourcery.com>
17182 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
17184 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17186 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
17187 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
17188 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
17189 * configure, config.in: Rebuilt.
17191 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
17193 * config/i386/i386.md: Add peephole to merge successive stack
17196 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
17198 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
17199 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
17200 when walking backwards to find all the parameter loads when
17201 the basic block ends in a call.
17203 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17205 * loop.c (this_loop_info): Delete.
17206 (uid_loop): Add in place of uid_loop_num. All uses updated.
17207 (loop_number_exit_count): Delete and replace with entry in loop
17208 structure. All uses updated.
17209 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
17210 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
17211 (loop_outer_loop): Likewise.
17212 (loop_invalid, loop_number_exit_labels): Likewise.
17213 (loop_used_count_register): Delete and replace with entry in
17214 loop_info structure.
17215 (find_and_verify_loops): Add loops argument.
17216 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
17217 loop_end, etc. arguments with loop structure pointer. All callers
17219 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
17220 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
17221 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
17222 (insert_bct): Likewise.
17223 (basic_induction_var): New argument level.
17224 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
17225 vtop, and cont. Add used_count_register.
17226 (uid_loop): Delete declaration.
17227 (loop_number_exit_count): Likewise.
17228 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
17229 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
17230 (loop_outer_loop, loop_used_count_register): Likewise.
17231 (loop_invalid, loop_number_exit_labels): Likewise.
17232 (unroll_loop): Replace loop_start and loop_end arguments
17233 with loop structure pointer.
17234 (loop_precondition_p, loop_iterations): Likewise.
17235 Include basic-block.h.
17236 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
17237 with loop structure pointer.
17238 (loop_precondition_p, loop_iterations): Likewise.
17239 * basic-block.h (struct loop): New entries vtop, cont,
17240 cont_dominator, start, end, top, scan_start, exit_labels,
17242 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
17244 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17246 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
17248 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
17250 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
17252 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17254 * pdp11-protos.h: New file.
17256 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
17259 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
17262 * pdp11.md: Likewise.
17264 * 2bsd.h: Likewise.
17266 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17268 * mn10300-protos.h: New file.
17270 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
17273 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
17276 * mn10300.md: Likewise.
17278 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17280 * mn10200-protos.h: New file.
17282 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
17285 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
17288 * mn10200.md: Likewise.
17290 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17292 * h8300-protos.h: New file.
17294 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
17297 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
17300 * h8300.md: Likewise.
17302 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17304 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
17305 (asm_emit_uninitialised): Likewise.
17307 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
17309 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
17310 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
17312 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17314 * config/mips/mips.c (override_options): Don't turn on extra
17315 alignment for mips16.
17317 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17319 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
17320 eabi, and make sure queued POSTINCREMENT rtl is emitted at
17323 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17325 * builtins.c (PAD_VARARGS_DOWN): Define.
17326 (std_expand_builtin_va_arg): Use the above macro.
17327 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
17328 * tm.texi (Register Arguments): Document the above macro.
17330 2000-01-14 Nick Clifton <nickc@cygnus.com>
17332 * emit-rtl.c (emit_insn): If checking is enabled, make sure
17333 that this function has not been used to emit a jump
17336 * jump.c (return_jump_1): Cope with being passed a null rtx.
17338 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17340 * eh-common.h: PROTO -> PARAMS.
17341 * emit-rtl.c: Likewise.
17342 * errors.c: Likewise.
17343 * errors.h: Likewise.
17344 * except.c: Likewise.
17345 * except.h: Likewise.
17346 * explow.c: Likewise.
17347 * expmed.c: Likewise.
17348 * expr.c: Likewise.
17349 * expr.h: Likewise.
17350 * final.c: Likewise.
17351 * fix-header.c: Likewise.
17352 * flow.c: Likewise.
17353 * fold-const.c: Likewise.
17354 * function.c: Likewise.
17355 * function.h: Likewise.
17357 * gcov-io.h: Likewise.
17358 * gcov.c: Likewise.
17359 * gcse.c: Likewise.
17361 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17363 * sh-protos.h: New file.
17365 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
17366 Add static prototypes. Fix compile time warnings.
17368 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
17372 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17374 * arc-protos.h: New file.
17376 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
17379 * arc.h: Move prototypes to arc-protos.h. Fix compile time
17382 * arc.md: Likewise.
17384 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17386 * dsp16xx-protos.h: New file.
17388 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
17391 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
17394 * dsp16xx.md: Likewise.
17396 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17398 * convex-protos.h: New file.
17400 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
17403 * convex.h: Move prototypes to convex-protos.h. Fix compile time
17406 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17408 * elxsi-protos.h: New file.
17410 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
17413 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
17416 * elxsi.md: Likewise.
17418 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17420 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
17421 case for moving from HI/LO/HI_LO_REG. This makes the behavior
17422 match the comment for MIPS16.
17424 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
17426 * flow.c (split_edge): Do not call set_block_for_insn if we
17427 do not have a basic_block_for_insn structure.
17429 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
17430 and destination functions are 32bit aligned within the trampoline.
17431 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
17432 (TRAMPOLINE_ALIGNMENT): Define.
17434 * cse.c (cse_insn): When changing (set (pc) (reg)) to
17435 (set (pc) (label_ref)), verify the change creates a valid insn.
17437 * fr30.c (call_operand): Tighten and rework to match rules for
17438 call RTL expressions.
17439 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
17440 * fr30.md (call patterns): Improve constraints.
17442 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
17444 * fr30.c (fr30_expand_epilogue): Revert last change.
17445 Use emit_jump_insn for the return insn.
17447 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
17448 Stan Cox <scox@cygnus.com>
17450 * predict.c: New file. Preliminary infrastructure work for static
17451 branch prediction and basic block reordering.
17452 * basic-block.h: Add prototype for estimate_probability.
17453 * Makefile.in: Add rules for predict.o.
17455 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
17457 * fixincludes (va_list): Use __not_va_list__ for the dummy.
17458 * fixinc/*: Likewise.
17460 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17462 * cccp.c: PROTO -> PARAMS.
17463 * cexp.y: Likewise.
17464 * collect2.c: Likewise.
17465 * combine.c: Likewise.
17466 * convert.h: Likewise.
17468 * dbxout.c: Likewise.
17469 * dbxout.h: Likewise.
17470 * diagnostic.c: Likewise.
17471 * doprint.c: Likewise.
17472 * dwarf2out.c: Likewise.
17473 * dwarf2out.h: Likewise.
17474 * dwarfout.c: Likewise.
17475 * dwarfout.h: Likewise.
17476 * dyn-string.h: Likewise.
17478 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17480 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
17481 macro conditionals guarding use.
17483 * dwarf2out.c: Include "tm_p.h".
17485 * function.c (locate_and_pad_parm): Mark parameter with
17487 (expand_function_end): Likewise for variable `context'.
17489 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
17491 2000-01-13 Nick Clifton <nickc@cygnus.com>
17493 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
17494 register to prevent compile time warnings.
17496 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
17498 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
17499 to avoid -Wtraditional warning.
17501 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17503 * 1750a-protos.h: New file.
17505 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
17508 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
17511 * 1750a.md: Likewise.
17513 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17515 * a29k-protos.h: New file.
17517 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
17520 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
17523 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17525 * clipper-protos.h: New file.
17527 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
17530 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
17533 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17535 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
17537 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
17539 * configure.in (--enable-new-gxx-abi): New option.
17540 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
17541 * Makefile.in (GXX_ABI_FLAG): New variable.
17542 * configure: Regenerate.
17544 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17546 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
17547 * tm.texi (FORCE_STRUCT_BLK): Document.
17548 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
17550 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
17552 * config/ns32k/ns32k.md: Revert Jan 9 change.
17554 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
17555 to a mode-test, if the predicate is address_operand.
17557 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
17559 * combine.c (if_then_else_cond): Be careful about what kinds
17560 of RTL expressions are passed to operand_subword.
17562 * flow.c (split_edge): If we have to insert a new jump, make
17563 sure to associate it with a basic block.
17565 * flow.c (commit_one_edge_insertion): A block with one successor
17566 can end in a JUMP_INSN that is not a simplejump.
17568 2000-01-12 Robert Lipe <robertl@sco.com>
17570 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
17571 (BUILD_VA_LIST_TYPE): Define.
17572 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
17575 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
17577 * cccp.c (do_pragma): Add cast to (char *).
17579 2000-01-12 Richard Henderson <rth@cygnus.com>
17580 Fred Fish <fnf@be.com>
17581 Jason Merrill <jason@cygnus.com>
17583 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
17584 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
17585 * i386/beos-elf.h, i386/beos-pe.h: New files.
17587 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
17588 * cross-make (SYSTEM_HEADER_DIR): Define using
17589 CROSS_SYSTEM_HEADER_DIR.
17591 * gcc.c (LIBRARY_PATH_ENV): Provide default.
17592 (process_command): Use it.
17593 (main): Likewise. Kill trailing = from env vars.
17594 (build_search_list): Put it back.
17595 * collect2.c (main): Use LIBRARY_PATH_ENV.
17597 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
17598 * toplev.c: Use NEED_DECLARATION_ENVIRON.
17600 * tm.texi (Frame Layout): Document SMALL_STACK.
17601 * c-common.c (c_common_nodes_and_builtins): Check it.
17603 * system.h: Undef alloca after including glibc's <stdlib.h>,
17604 if USE_C_ALLOCA is defined.
17606 * gcc.c (set_input): New fn.
17607 (main): After all input files are compiled, reset the input file
17610 * aclocal.m4 (rindex, index): If already defined, don't attempt
17613 * ginclude/varargs.h: (__va_list__): Define ifndef.
17614 * ginclude/stdarg.h: Likewise.
17616 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
17617 instead of unsigned char.
17619 * hash.h (true, false, boolean): Undef before enum.
17621 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
17622 proper type of "HOST_WIDE_INT *", rather than their natural type of
17623 "unsigned HOST_WIDE_INT *".
17625 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17627 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
17629 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
17631 * regclass.c (choose_hard_reg_mode): Likewise.
17633 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
17635 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
17637 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17639 * c-common.c: PROTO -> PARAMS.
17640 * c-common.h: Likewise.
17641 * c-decl.c: Likewise.
17642 * c-iterate.c: Likewise.
17643 * c-lang.c: Likewise.
17644 * c-lex.c: Likewise.
17645 * c-lex.h: Likewise.
17646 * c-parse.in: Likewise.
17647 * c-pragma.c: Likewise.
17648 * c-pragma.h: Likewise.
17649 * c-tree.h: Likewise.
17650 * c-typeck.c: Likewise.
17651 * objc/objc-act.c: Likewise.
17652 * objc/objc-act.h: Likewise.
17654 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17656 * m88k-protos.h: New file.
17658 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
17661 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
17663 * m88k.md: Likewise.
17665 * tekXD88.h: Likewise.
17667 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17669 * m68k-protos.h: New file.
17671 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
17674 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
17676 * mot3300.h: Likewise.
17678 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
17680 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
17682 (extract_bitlist): Declare bitlen.
17684 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
17686 * cccp.c: Accept and ignore -lang-fortran.
17688 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
17689 qualifiers don't match at any level of pointerness.
17691 2000-01-12 Robert Lipe <robertl@sco.com>
17693 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
17695 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
17697 * reload1.c (reload_reg_unavailable): New static variable.
17698 (reload_reg_free_p): Test it.
17699 (reload_reg_free_for_value_p): Test it instead of
17701 (choose_reload_regs_init): Compute it.
17703 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
17705 * reorg.c (fill_slots_from_thread): Check modified_in_p
17708 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
17710 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
17711 these nodes even if INTERNALS is not set.
17713 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
17715 * gcse.c (delete_null_pointer_checks_1): Cope when
17716 get_condition cannot determine the condition.
17718 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
17720 * toplev.h (set_message_length): Declare.
17722 * diagnostic.c (obstack_chunk_alloc): Define macro.
17723 (obstack_chunk_free): Likewise.
17724 (struct output_buffer): New data structure.
17725 (vmessage): Remove.
17726 (output_maximum_width): New variable.
17727 (doing_line_wrapping, set_message_length, init_output_buffer,
17728 get_output_prefix, output_space_left, emit_output_prefix,
17729 output_newline, output_append, output_puts, dump_output,
17730 vbuild_message_string, build_message_string, build_location_prefix,
17731 voutput_notice, output_printf, line_wrapper_printf,
17732 vline_wrapper_message_with_location): New functions. Implement
17733 automatic line wrapping.
17734 (v_message_with_decl): Make it handle automatic line wrapping.
17735 (v_error_with_file_and_line): Likewise.
17736 (v_warning_with_file_and_line): Likewise.
17737 (announce_function): Likewise.
17738 (default_print_error_function): Likewise.
17740 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
17742 * cpplib.h (struct cpp_options): Change lang_asm to char.
17744 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
17745 done in cpp_handle_option now.
17746 (initialize_builtins): Take out special case code used only by
17748 (cpp_handle_option): Turn off trigraphs and trigraph warnings
17749 if -traditional. Recognize -lang-fortran and set
17750 lang_fortran, also turn off cplusplus_comments.
17751 (print_help): Document -lang-fortran.
17752 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
17753 lang_asm. Ignore all directives other than `# 123 "file"' if
17755 (cpp_get_token): If -traditional, don't recognize directives
17756 unless the # is in column 1.
17757 (parse_string): If lang_fortran or lang_asm, silently
17758 terminate strings ('' or "") at end of line.
17759 Remove unnecessary braces.
17761 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17762 Richard Henderson <rth@cygnus.com>
17764 * resource.c (mark_referenced_resources): Mark a set strict_low_part
17766 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
17767 strict_low_part when possible.
17769 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17771 * alias.c: PROTO -> PARAMS.
17772 * basic-block.h: Likewise.
17773 * bitmap.c: Likewise.
17774 * bitmap.h: Likewise.
17775 * builtins.c: Likewise.
17776 * c-aux-info.c: Likewise.
17777 * caller-save.c: Likewise.
17778 * calls.c: Likewise.
17780 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17782 * Makefile.in (toplev.o): Depend on regs.h.
17784 * output.h (tdesc_section): Prototype.
17786 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
17788 * sdbout.c: Include "tm_p.h".
17790 * toplev.c: Include "regs.h".
17792 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
17794 * unroll.c (unroll_loop): Add EH support.
17796 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17798 * pa-protos.h: New file.
17800 * pa.c: Include recog.h and tm_p.h.
17801 (compute_zdepwi_operands, compute_movstrsi_length,
17802 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
17803 find_addr_reg, import_milli): Add static prototypes.
17804 (pa_cpu_string, pa_arch_string): Constify a char*.
17805 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
17806 (read_only_operand): Add argument `mode'.
17807 (singlemove_string, output_move_double, output_fp_move_double,
17808 output_block_move, output_and, output_ior, output_ascii,
17809 remove_useless_addtr_insns, milli_names, output_mul_insn,
17810 output_div_insn, output_mod_insn, output_arg_descriptor,
17811 output_cbranch, output_bb, output_bvb, output_dbra, ,
17812 output_millicode_call, output_call, hppa_encode_label,
17813 output_parallel_movb, output_parallel_addb): Constify a char*.
17814 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
17815 (output_parallel_addb): Remove extra arg to `constrain_operands'
17817 * pa.h: Move all prototypes to pa-protos.h.
17818 (pa_cpu_string, pa_arch_string): Constify a char*.
17819 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
17821 * pa.md: Call `function_label_operand' with mode argument.
17822 Likewise for `read_only_operand'.
17823 Fix nesting of parens in call to `symbolic_operand'.
17825 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17827 * i860-protos.h: New file.
17829 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
17832 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
17834 * i860.md: Likewise.
17836 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
17838 * i386.md (movstrsi expander): Rewrite.
17839 (movstrsi_1 insn): Deleted.
17840 (strmovhi, strmovqi expander): New expanders.
17841 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
17842 * i386.c (x86_single_stringop): New global variable.
17843 * i386.h (x86_single_stringop): Declare.
17844 (TARGET_SINGLE_STRINGOP): New macro.
17846 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17848 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
17849 integer vararg POSTINCREMENT before the destination of the jump
17850 for the hard fp case.
17851 (function_arg_pass_by_reference): Pass a copy of CUM to
17854 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
17855 for CONSTANT_ADDRESS_P above while loop for subreg.
17857 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17859 * flow.c (propagate_block): When a prologue/epilogue insn
17860 is marked dead, unconditionally clear libcall_is_dead and
17861 insn_is_dead, and only dump rtl if warnings aren't being
17864 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
17866 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
17867 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
17868 (FIXED_REGISTERS): Set dirflag as fixed.
17869 (CALL_USED_REGISTERS): Set dirflag as used.
17870 (REG_ALLOC_ORDER): Set dirflag as last one.
17871 (DIRFLAG_REG): New macro.
17872 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
17873 (HI_REGISTER_NAMES): Add dirflag.
17874 (DEBUF_PRINT_REG): Handle dirflag.
17875 * i386.md (type attribute): New cld and str types.
17876 (length_opcode attribute): Set cld and str to 1.
17877 (memory attribute): Set str to unknown - it is not clear from the
17879 (pent_np function unit): Prefixed string operations takes 12 cycles
17880 minimally; cld takes 2 cycles.
17881 (ppro_uops attribute): Str is "many" and cld is "few".
17882 (ppro_p0 unit): Handle cld here.
17883 (k6_alux unit): Handle cld and str types.
17884 (k6_load unit): It is ocupied by str opcodes.
17885 (k6_store unit): It is ocupied by str opcodes.
17886 (athlon_decode): Str is vector decoded.
17887 (athlon_ieu): Handle str and cld.
17888 (cld pattern): New.
17889 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
17890 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
17891 cmpstrsi_nz_1 insn): Do not output cld instruction
17893 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
17895 * gcc.texi (G++ and GCC): Add Java and Chill.
17896 (Bug Critera): Don't list languages.
17898 * gcc.texi (Incompatibilities): No longer claim most C compilers
17901 * gcc.texi (G++ and GCC): Update other front-ends list.
17903 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
17905 * i386.c (ix86_expand_setcc): Fix typo.
17906 (ix86_expand_movcc): Similarly.
17908 * Band-aid until haifa's bitset implementation is nuked.
17909 * haifa-sched.c (extract_bitlst): New parameter for size of the
17910 bitset in bits. All callers changed. Avoid looking at undefined
17911 bits in the bitset.
17912 (edgeset_bitsize): New variable.
17913 (schedule_region): Initialize edgeset_bitsize.
17915 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17917 * Makefile.in (optabs.o): Depend on real.h
17918 (resource.o): Depend on insn-attr.h
17920 * builtins.c (result_vector): Wrap prototype in macro conditions
17921 governing definition and use.
17923 * c-common.c: Include tm_p.h.
17925 * c-lex.c: Likewise.
17927 * elfos.h: Constify a char*.
17929 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
17930 (get_attr_length, shorten_branches, profile_after_prologue): Mark
17931 parameter with ATTRIBUTE_UNUSED.
17933 * fold-const.c (exact_real_inverse): Wrap variable `i' in
17936 * haifa-sched.c (schedule_insns): Mark parameter with
17939 * optabs.c: Include real.h.
17941 * real.h (ereal_atof): Add prototype arguments.
17943 * resource.c: Include insn-attr.h.
17945 * sdbout.c (sdbout_queue_anonymous_type,
17946 sdbout_dequeue_anonymous_types): Wrap in macro
17947 SDB_ALLOW_FORWARD_REFERENCES.
17948 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
17951 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
17953 * stupid.c: Include tm_p.h.
17955 * tree.c (real_value_from_int_cst): Mark parameter with
17958 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17960 * i960-protos.h: New file.
17962 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
17965 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
17967 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17969 * combine.c (expand_field_assignment): Do not discard SUBREGs
17970 while computing nonzero_bits.
17972 2000-01-09 Nick Clifton <nickc@cygnus.com>
17974 * config/arm/arm.c: Fix compile time warnings about signed vs
17975 unsigned constants.
17976 * config/arm/arm.h: Fix compile time warnings about signed vs
17977 unsigned constants.
17979 2000-01-09 Philip Blundell <philb@gnu.org>
17981 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
17982 than `ldm' with only one register.
17983 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
17986 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
17989 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
17991 * config/ns32k/ns32k.md (load or push effective address): Operand 1
17994 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17996 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
17997 assignment used as truth value.
17999 * function.c (assign_temp): Mark parameter `dont_promote' with
18000 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
18001 PROMOTE_FOR_CALL_ONLY.
18003 * genrecog.c (write_subroutine): Mark variable `operands' with
18006 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
18009 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
18010 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
18012 * toplev.c (note_deferral_of_defined_inline_function): Likewise
18015 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18017 * config/c4x.h: Tidy up comments.
18018 * config/c4x.c: Likewise.
18020 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
18022 * fold-const.c (lshift_double, rshift_double): Handle
18023 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
18025 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18027 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
18028 in prepare_function_start().
18030 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
18032 * config/v850/v850.c (expand_epilogue): Interrupt functions no
18033 longer allocate extra stack for function calls.
18035 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18037 * config/c4x/c4x.md (*subqf3_set): Fix typo.
18039 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18041 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
18043 2000-01-07 David Edelsohn <edelsohn@gnu.org>
18045 * rs6000.c (processor_target_table): Add power3 as alias for 630.
18046 * aix43.h: Revert Aug 2 change.
18047 (HAS_INIT_SECTION): Define, not visible yet.
18048 (LD_INIT_SWITCH): Define, not visible yet.
18049 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
18051 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
18053 * collect2.c (main): Expand ld2 size further.
18054 (export_object_lst): Cast assignment to avoid warning.
18055 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
18056 (scan_prog_file, COFF): Do not collect initialization or
18057 finalization functions generated for entire shared object if
18058 init/fini support present.
18060 2000-01-07 Nick Clifton <nickc@cygnus.com>
18062 * config/elfos.h: Tidy up formatting of marcos. Make sure
18063 that .section directives are always prefixed by a tab.
18065 * config/svr4.h: Add #include "elfos.h" and remove duplicate
18068 2000-01-07 Matt Austern <austern@sgi.com>
18070 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
18073 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
18075 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
18077 (crtbegin.o, s-crtS): Likewise.
18079 2000-01-06 Richard Henderson <rth@cygnus.com>
18081 * alpha.md (adddi_2+1): Limit offset such that it will be
18082 loadable with a single ldah+lda pair.
18083 (adddi_2+2): Explicitly fail split if we can't make it work.
18085 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
18087 * protoize.c: Conditionally include unistd.h.
18088 (IS_SAME_PATH_CHAR): New macro.
18089 (IS_SAME_PATH): New macro.
18090 (CPLUS_FILE_SUFFIX): New macro.
18091 (cplus_suffix): New static variable.
18092 (is_abspath): New static function.
18093 (in_system_include_dir): Handle DOS style pathnames.
18094 (file_could_be_converted): Likewise.
18095 (file_normally_convertible): Likewise.
18096 (directory_specified_p): Likewise.
18097 (file_excluded_p): Likewise.
18098 (abspath): Likewise.
18099 (shortpath): Likewise.
18100 (referenced_file_is_newer): Likewise.
18101 (save_def_or_dec): Likewise.
18102 (do_processing): Likewise.
18104 (edit_file): Likewise. Use rename instead of link.
18105 (rename_c_file): Likewise. Don't rename syscalls file.
18106 (munge_compile_params): Define null device for DOS based systems.
18107 (process_aux_info_file): Use binary mode if appliable.
18108 (edit_file): Likewise.
18109 * invoke.texi (Running Protoize): Document C++ suffixes used.
18111 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
18112 IS_DIR_SEPARATOR macros.
18113 * collect2.c: Likewise.
18114 * cppinit.c: Likewise.
18115 * dwarf2out.c: Likewise.
18117 * gcov.c: Likewise.
18118 * prefix.c: Likewise.
18120 * toplev.c: Likewise.
18121 * system.h: And move to here.
18123 * prefix.c (update_path): Fix typo in variable name.
18125 2000-01-06 Richard Henderson <rth@cygnus.com>
18127 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
18128 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
18129 (count_reg_sets_1, count_reg_references): Likewise.
18130 (flow_loops_level_compute): Start counting actual loop depth at 1.
18131 (flow_loops_find): Likewise.
18132 * local-alloc.c (update_equiv_regs): Likewise.
18133 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
18135 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
18137 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
18138 FIRST_PSEUDO_REGISTER
18139 * dwarf2out.c: Don't include frame.h
18140 * dwarfout.c: Likewise
18141 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
18144 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
18146 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
18149 * i386.c (movsf splitter): Fix typo in my last checkin.
18151 2000-01-05 Nick Clifton <nickc@cygnus.com>
18153 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
18154 own definition of this macro.
18155 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
18156 flag_data_sections or UNIQUE_SECTION_P are true.
18158 * tm.texi (UNIQUE_SECTION): Document that it can be called for
18159 unitialised data decls.
18161 * config/i386/winnt.c (i386_pe_unique_section): Cope with
18162 being called for uninitialised data.
18164 * config/i386/interix.c (i386_pe_unique_section): Cope with
18165 being called for uninitialised data.
18167 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
18168 for uninitialised data.
18170 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
18171 for uninitialised data.
18173 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
18174 for uninitialised data.
18176 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
18177 (UNIQUE_SECTION_P): Always generate a unique section if
18178 flag_data_sections is true.
18179 (UNIQUE_SECTION): Also generate unique sections for
18180 uninitialised data.
18181 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
18182 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
18185 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18187 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
18190 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18192 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
18193 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
18194 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
18195 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
18196 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
18198 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
18200 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
18202 * c-decl.c (finish_enum): Simplify code to determine minimum and
18203 maximum values of the enum, and calculate the type. Remove check
18204 for FUNCTION_DECLs in the values list, which cannot happen. Replace
18205 the DECL_INITIAL of each enumeration constant with a copy converted
18206 to the enumeration type. When updating variant types, don't bother
18207 updating the type itself.
18209 * c-typeck.c (build_binary_op): Simplify conditional expressions
18210 when weeding out spurious signed-unsigned warnings. Add new
18211 spurious warning category: if the unsigned quantity is an enum
18212 and its maximum value fits in signed_type(result_type). Update
18214 (build_conditional_expr): Warn here if one alternative is signed
18215 and the other is unsigned.
18217 2000-01-05 Nick Clifton <nickc@cygnus.com>
18219 * config/fr30/fr30.h: Remove extraneous comments.
18221 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
18223 * reload1.c (choose_reload_regs): When disabling a reload, also
18224 set reload_spill_index to -1.
18226 2000-01-04 Joel Sherrill (joel@OARcorp.com>
18228 * configure.in (m68*-*-rtemscoff*): New target, formal name for
18230 (m68*-*-rtemself*): New target.
18231 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
18232 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
18233 (sparc*-*-rtemself*): New target.
18234 (sparc*-*-rtems*): Now elf not a.out.
18235 * config/i386/rtems.h: Include config/rtems.h.
18236 * config/i386/rtemself.h: Include config/rtems.h.
18237 * config/i960/rtems.h: Include config/rtems.h.
18238 * config/m68k/rtems.h: Include config/rtems.h.
18239 * config/m68k/rtemself.h: Include config/rtems.h.
18240 * config/mips/rtems64.h: Include config/rtems.h.
18241 * config/pa/rtems.h: Include config/rtems.h.
18242 * config/rs6000/rtems.h: Include config/rtems.h.
18243 * config/sh/rtems.h: Include config/rtems.h.
18244 * config/sh/rtemself.h: Include config/rtems.h.
18245 * config/sparc/rtems.h: Include config/rtems.h.
18246 * config/sparc/rtemself.h: Include config/rtems.h
18248 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
18250 * final.c (shorten_branches): Correctly compute length of
18251 asms without operands.
18253 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
18255 * configure.in: Add pj target.
18256 * configure: Regenerate.
18257 * config/pj: New directory.
18258 * config/pj/lib1funcs.S: New file.
18259 * config/pj/linux.h: New file.
18260 * config/pj/pj.c: New file.
18261 * config/pj/pj.md: New file.
18262 * config/pj/pjl.h: New file.
18263 * config/pj/t-pj: New file.
18264 * config/pj/xm-pj.h: New file
18266 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
18268 * toplev.c (rest_of_compilation): Run shorten-branches before
18271 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18273 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
18274 macros so that they're consistent with their names.
18275 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
18276 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
18278 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18280 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
18281 modified inadvertently.
18283 2000-01-04 Joel Sherrill <joel@OARcorp.com>
18285 * configure.in (v850*-*-rtems*): New target.
18286 * configure: Regenerate.
18287 * config/v850/rtems.h: New file.
18289 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
18291 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
18292 (__gthread_key_create): Likewise.
18293 (__gthread_key_dtor): Likewise.
18294 (__gthread_once): Fix logic.
18295 (__gthread_key_delete): Cast away constness.
18297 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
18298 * invoke.texi: Document.
18299 * i386/mingw32.h (CPP_SPEC): Use.
18300 (LIBGCC_SPEC): Likewise.
18301 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
18303 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18305 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
18306 (HANDLE_PRAGMA_PACK): Undefine.
18307 (SLOW_UNALIGNED_ACCESS): Define.
18309 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18311 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18312 to default definition.
18313 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
18314 (store_fixed_bit_field): Call macro with word_mode and alignment.
18315 (extract_bit_field): Call macro with relevant mode and alignment.
18316 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18317 to default definition.
18318 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
18320 (move_by_pieces_ninsns): Likewise.
18321 (clear_by_pieces): Likewise.
18322 (emit_push_insn): Likewise.
18323 (store_field): Call macro with relevant mode and alignment.
18324 (expand_expr): Likewise.
18325 (expand_expr_unaligned): Likewise.
18327 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
18328 (SLOW_UNALIGNED_ACCESS): Define.
18329 (CASE_VECTOR_MODE): Always use 32-bit offsets.
18330 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
18331 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
18332 (toc_section): Likewise and .toc pseudo-op.
18333 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
18335 (TEXT_SECTION_ASM_OP): Likewise.
18336 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
18339 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
18340 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
18341 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
18342 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
18343 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
18345 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
18347 * regclass.c: Revert my Jan 4 change to loop cost computation.
18349 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18351 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
18354 2000-01-04 Stan Cox <scox@cygnus.com>
18356 * haifa-sched.c (build_control_flow): Change unreachable simple
18357 loop test to check if current block has only one predecessor.
18358 (find_rgns): Initialize degree. Use dest as degree index, not src.
18360 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18362 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
18364 * calls.c (expand_call): Likewise for
18365 `old_stack_arg_under_construction'.
18367 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
18369 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
18372 * gcc.c (execute): Likewise for `ut' and `st'.
18374 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
18376 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
18378 * jump.c (jump_optimize_1): Likewise for `temp2'.
18380 * local-alloc.c (block_alloc): Likewise for `r1'.
18382 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
18384 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
18385 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
18387 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
18390 * reload.c (find_reloads): Likewise for `goal_alternative_number'
18391 and `goal_earlyclobber'.
18393 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
18395 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
18397 * stupid.c (stupid_life_analysis): Likewise for `chain'.
18399 * unroll.c (copy_loop_body): Likewise for `copy'.
18401 * varasm.c (output_constructor): Likewise for `byte'.
18403 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18405 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
18406 all FP constants for constant->reg moves.
18407 (ix86_split_to_parts): Try to convert memory address into immediate
18408 when available in the constant pool.
18409 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
18411 (LEGITIMATE_CONSTANT_P): Return 1.
18412 * i386.md (pushsf): New splitter to convert constant pool memory
18413 reference to immediate.
18414 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
18417 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
18419 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
18420 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
18421 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
18422 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
18423 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
18425 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
18427 * ginclude/stdbool.h: Support compilation as C++.
18429 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
18431 * fold-const.c (make_range): Don't try to reverse an unbounded range.
18433 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
18435 * regclass.c (regclass): Properly compute loop_cost. Adjust
18438 * regclass.c: Fix minor whitespace problems.
18440 2000-01-03 Anthony Green <green@cygnus.com>
18442 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
18443 Restore the pic register if required.
18445 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
18447 * c-common.c (format_char_info): Update comment.
18448 (check_format_info): Recognize 'z' modifier in the same way 'Z'
18449 was recognized. Emit warning for formats new in ISO C99 only
18450 if flag_isoc9x is not set.
18452 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
18454 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
18456 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18458 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
18459 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
18460 (make_compound_operation): Choose cheaper alternative between
18461 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
18463 * regclass.c (op_costs): Remove global variable.
18464 (record_reg_classes): New parameter "op_costs" and "reg_pref".
18465 (record_operand_costs): Break out from ...
18466 (scan_one_insn): ... here.
18467 (dump_regclass): Make dumps nicer.
18468 (regclass): Dump preferrences choosed and changes done during passes.
18470 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18472 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
18474 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18476 * config/sparc/sparc.c (gen_df_reg): New function.
18477 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
18478 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
18479 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
18480 movtf_cc_reg_sp64+1): Use it.
18482 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18484 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
18485 copied LABEL_DECLs.
18487 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
18489 * config/i386/i386.c (ix86_expand_unary_operator): Function
18490 definition made void.
18491 (ix86_expand_binary_operator): Update outdated preceding comment.
18492 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
18495 * config/i386/i386.c (override_options): Fix option-name typo.
18497 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18499 * system.h (CEIL): Define.
18500 * builtins.c (CEIL): Remove.
18501 * expmed.c (CEIL): Likewise.
18502 * expr.c (CEIL): Likewise.
18503 * stor-layout.c (CEIL): Likewise.
18505 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18507 * expr.c (store_constructor_field): Fix typo introduced with last
18510 2000-01-01 Mark Mitchell <mark@codesourcery.com>
18512 * tree.h (BINFO_N_BASETYPES): New macro.
18514 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
18516 * expmed.c (emit_store_flag): Prevent losing a pending stack
18517 adjust the same way we prevent losing queued increments.
18519 See ChangeLog.2 for earlier changes.