1 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
3 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
4 HOST_BITS_PER_WIDE_INT is >= 64.
6 2000-05-17 Richard Henderson <rth@cygnus.com>
8 * jump.c (jump_optimize_1): Remove inactive but real insns
9 in jump-to-next-insn optimization.
11 2000-05-17 Richard Henderson <rth@cygnus.com>
13 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
14 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
15 Don't call recompute_reg_usage if no_new_pseudos is true.
16 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
17 Return true if we did work; update global life information.
18 * basic-block.h (optimize_mode_switching): Update decl.
20 2000-05-17 Neil Booth <neilb@earthling.net>
22 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
24 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
26 * cpplib.c: New feature, #pragma system_header.
27 * cpp.texi: Document special treatment of system headers, and
28 the various mechanisms to get a header that special treatment.
30 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
32 * system.h (offsetof): Define at the very end, to ensure we prefer
33 the platform's definition if available.
35 2000-05-16 Bruce Korb <bkorb@gnu.org>
37 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
38 * fixinc/server.c: likewise
39 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
40 + #ifdef debugging code + use #def constant for
42 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
45 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
47 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
48 Don't check the return value of sprintf. Use asprintf to avoid
51 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
53 * flags.h (warn_unused_function, warn_unused_label,
54 warn_unused_parameter, warn_unused_variable, warn_unused_value):
55 Replace ``warn_unused''.
56 (set_Wunused): Add declaration.
57 * toplev.c (set_Wunused): New function.
58 (warn_unused_function, warn_unused_label, warn_unused_parameter,
59 warn_unused_variable, warn_unused_value): New variables.
60 (W_options): Add -Wunused-function, -Wunused-function,
61 -Wunused-label, -Wunused-parameter, -Wunused-variable and
62 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
64 * toplev.c (decode_W_option): Update -Wunused flags by calling
66 * c-decl.c (c_decode_option): Ditto for -Wall.
68 * stmt.c (expand_expr_stmt, expand_expr_stmt,
69 warn_about_unused_variables): Replace warn_unused with more
70 explicit warn_unused_value et.al.
71 * function.c (expand_function_end): Ditto.
72 * c-typeck.c (internal_build_compound_expr,
73 internal_build_compound_expr): Ditto.
74 * c-decl.c (poplevel, pop_label_level): Ditto.
75 * toplev.c (check_global_declarations): Replace warn_unused with
76 check for either warn_unused_function or warn_unused_variable.
78 * gcc.1, invoke.texi (Warning Options): Document
79 -Wunused-function, -Wunused-function, -Wunused-label,
80 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
82 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
84 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
85 $(srcdir), not in the current directory.
87 2000-05-16 Richard Henderson <rth@cygnus.com>
89 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
90 assembler supports it.
91 (.fini, .init): Use a gp-relative indirect call.
92 (__do_global_dtors_aux): Preserve the gp; rebundle.
93 (__do_frame_setup): Likewise.
94 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
95 (.init): Use a gp-relative indirect call.
96 (__do_global_ctors_aux): Preserve the gp.
98 2000-05-16 Richard Henderson <rth@cygnus.com>
100 * flow.c (commit_one_edge_insertion): Be prepared for a return
101 insn to be inserted on the edge with a normal jump.
102 * jump.c (jump_optimize_1): Don't look to create return isns.
104 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
105 * jump.c (jump_optimize_1): Likewise.
106 (returnjump_p): Verify the argument is a JUMP_INSN.
107 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
109 2000-05-16 Nick Clifton <nickc@cygnus.com>
111 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
112 GET_RTX_CLASS (GET_CODE ()) == 'i'.
113 (large_insn_p): Ditto.
114 (m32r_is_insn): New function: Return true if the insn contains
115 an executable instruction.
116 (m32r_adjust_insn): Use m32r_is_insn.
117 (m32r_sched_reorder): Use m32r_is_insn.
118 (m32r_sched_variable_issue): Use m32r_is_insn.
120 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
122 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
125 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
127 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
128 according to given options.
130 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
132 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
133 if X has VOIDmode either.
134 (LIMIT_RELOAD_CLASS): Similarly.
136 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
137 not "general_operand" to match the processor's capabilities.
139 2000-05-16 Bruce Korb <bkorb@gnu.org>
141 * fixinc/README: corrected return address
142 * fixinc/check.diff: regenerate, now that test works
143 * fixinc/fixfixes.c(format_fix,format_write): reformatted
144 (char_macro_def_fix,char_macro_use_fix): corrected and
145 rewrote to use regex to parse the text
146 * fixinc/inclhack.def: more testing
147 * fixinc/fixincl.x: regenerated
149 * fixinc/inclhack.def: added several "test_text" attributes
150 changed several fixes to use `c_fix = format'
151 re-alphabetized the fixes
153 * fixinc/check.diff: regenerate
154 * fixinc/fixincl.x: regenerate
155 * fixinc/check.tpl: added `sparc' and `netinet' to the list
159 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
161 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
163 2000-05-15 Richard Henderson <rth@cygnus.com>
165 * toplev.c (rest_of_compilation): Run full jump pass before
166 find_basic_blocks of flow2.
168 2000-05-15 Richard Henderson <rth@cygnus.com>
170 * jump.c: Fix typos and clarify commentary from last change.
171 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
172 (safe_to_remove_jump_p): Remove.
173 (condjump_label): Use pc_set.
175 2000-05-15 Richard Henderson <rth@cygnus.com>
177 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
178 that get in the way after reload.
179 (cond_exec_process_if_block): Skip a label heading THEN block.
181 2000-05-15 Richard Henderson <rth@cygnus.com>
183 * varasm.c (output_constant_pool): Abort instead of converting
184 (improperly) deleted labels to zero.
186 2000-05-16 Neil Booth <NeilB@earthling.net>
188 * cpplex.c (parse_string2): Update comment.
189 (cpp_lex_line): No special assertion treatment for '('.
190 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
191 * cpplib.h (SYNTAX_ASSERT): Remove.
193 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
195 * jump.c (condjump_p): Mark as depreached.
196 (any_condump_p): New.
197 (any_uncondump_p): New.
199 (safe_to_remove_jump_p): New.
200 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
201 safe_to_remove_jump_p): Declare.
203 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
205 * calls.c: Re-install both patches reverted by last patch.
206 (struct arg_data): New field tail_call_reg.
207 (initialize_argument_information): Initialize tail_call_reg
208 (load_register_parameters): New argument flags, use
209 tail_call_reg when emiting tail call sequence.
210 (expand_call): Update call of load_register_parameters;
211 copy unadjusted_args_size to adjusted_args_size.
213 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
215 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
216 and bct_p parameters to flags.
217 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
218 * rtl.h (loop_optimize): Update prototype.
219 * toplev.c (rest_of_compilation): Update call of loop_optimize.
221 2000-05-15 Jakub Jelinek <jakub@redhat.com>
223 * calls.c (expand_call): Move expand_start_target_temps call after
226 2000-05-15 Neil Booth <NeilB@earthling.net>
228 * cpphash.c (trad_stringify, warn_trad_stringify,
229 collect_params): Make some pointers pointers to const.
230 * cpplex.c (auto_expand_name_space) Guaranteed to always
231 expand by at least one character.
232 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
233 (struct token_spelling): Use const U_CHAR * rather than PTR.
234 (expand_name_space): Fix up token pointers if name space
235 is moved when expanding.
236 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
237 parse_string2, save_comment, spell_token, cpp_output_list):
238 Update so the routines handle tokens with a direct pointer to
239 their text, rather than an offset into the token's list's namebuf.
240 (_cpp_lex_line): Rearrange for clarity.
242 * cpplib.c (_cpp_check_directive): Similarly.
243 (do_define): Make SYM a pointer to const.
244 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
245 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
246 (TOK_OFFSET): Delete.
249 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
251 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
254 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
256 (logical_u_operand): Delete.
257 (non_logical_cint_operand): Rewrite to take MODE into account.
258 (non_logical_u_cint_operand): Delete.
259 (boolean_operator): New function.
260 (print_operand): Add new %q operand.
261 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
262 remove logical_u_operand and non_logical_u_cint_operand,
263 update logical_operand and non_logical_cint_operand.
264 * config/rs6000/rs6000.md: Rewrite the patterns for performing
265 logical operations to use %q.
267 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
268 (movdi): Make similar to movsi.
269 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
270 is no such thing as a DImode CONST_DOUBLE.
271 * config/rs6000/rs6000.c (output_toc): Likewise.
273 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
274 codes when old mnemonics are in use. Print register names
275 for cc registers when requested.
277 * optabs.c (expand_float): Don't allow mode widening that causes
280 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
281 flags to their current names -maix64 and -maix32.
283 2000-05-14 Bruce Korb <bkorb@gnu.org>
285 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
286 and/or after current text of file
287 * fixinc/fixlib.c(must_malloc):
288 * fixinc/fixlib.h(must_malloc): + reformatting
289 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
290 with usages of ``c_fix = wrap;''
291 Add several tests and use the ``c_fix = format'' fixer more.
292 * fixinc/fixincl.x: regen
293 * fixinc/check.diff: regen
294 * fixinc/check.tpl: emit the associated header with the missing
297 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
299 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
300 variables $src and $dst.
302 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
304 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
305 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
306 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
307 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
309 (set_message_prefixing_rule): Declare.
311 * diagnostic.c: (current_prefixing_rule): New variable.
312 (set_message_prefixing_rule): Define.
313 (output_set_prefix): Adjust buffer->emitted_prefix_p.
314 (init_output_buffer): Adjust Initialization.
315 (output_emit_prefix): Rewrite. Take prefixing rules into account.
317 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
319 * ifcvt.c (if_convert): Do not free NULL.
321 2000-05-12 Nick Clifton <nickc@cygnus.com>
323 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
324 to move a double word value.
325 (di_operand): New function: Return true if the operand is suitbale
326 for a double word move operation.
327 (nonimmediate_di_operand): New function: Return true if the
328 operand is a DImode register or MEM.
330 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
331 nonimmediate_di_operand.
333 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
334 nonimmediate_di_operand.
336 * config/fr30/fr30.md (movdi): New pattern. Required because
337 other patterns generate DImode results.
338 (movdi_insn): New pattern.
340 2000-05-12 Richard Henderson <rth@cygnus.com>
342 * config/alpha/alpha.c (struct shadow_summary): Define
343 bitfields as type unsigned int.
345 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
347 * config/avr/t-avr: Added definition of FLOAT while generates
350 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
351 peepholes for tst+jump = sbrs/sbrc optimization.
353 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
355 * expr.c (emit_push_insn): Do not adjust stack pointer when
358 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
360 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
361 * system.h (offsetof): ... to here.
363 2000-05-12 Richard Henderson <rth@cygnus.com>
365 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
366 * final.c (final_end_function): Use app_disable. Rearrange note
367 handling into a switch. Emit deleted labels.
368 (output_asm_label): Generate label strings for deleted labels.
369 * flow.c (tail_recursion_label_list): New.
370 (find_basic_blocks_1): Set label_value_list directly. Collect list
371 of tail recursion labels from call_placeholders. Don't add deleted
372 labels to the label value list.
373 (cleanup_cfg): Use free_EXPR_LIST_list.
374 (flow_delete_insn_chain): Turn non-removable labels into notes.
375 (flow_delete_block): Don't disable deleting the block because of
376 a non-removable label.
377 (tail_recursion_label_p): New.
378 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
380 (merge_blocks_move_successor_nojumps): Likewise. Also move a
382 (merge_blocks): Disable a merge because of tail recursion labels.
383 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
384 Use a more accurate measure of not merging the join block.
385 (find_if_block): Don't disable conversion because of a label.
386 (find_if_case_1, find_if_case_2): Likewise.
387 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
388 element when copying.
389 (squeeze_notes): Also leave EH notes.
390 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
392 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
394 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
395 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
396 referring to a deleted label. Convert tail handling to a switch.
397 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
398 for NOTE_INSN_DELETED_LABEL.
399 (NOTE): Fix commentary.
400 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
401 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
402 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
403 (LABEL_NUSES, LABEL_REFS): Likewise.
404 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
406 2000-05-12 Bruce Korb <bkorb@gnu.org>
408 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
409 * fixinc/check.diff: updated
410 * fixinc/inclhack.def: corrected & added some test_text-s
411 * fixinc/genfixes: removed unneeded options to autogen invocation
412 * fixinc/fixincl.tpl: Specified the output file
413 * fixinc/fixfixes.c: visual appearance
414 * fixinc/fixincl.x: regenerate
416 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
418 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
419 CTRL_defn_fix): Delete.
420 (fix_char_macro_defines, fix_char_macro_uses): Rename to
421 char_macro_def_fix and char_macro_use_fix, respectively. Put
422 them into the FIXUP_TABLE. Get the string to search for from
425 (format_write): New function.
426 (format_fix): Use it.
428 (FIX_PROC_HEAD): Constify text parameter.
429 (machine_name_fix): Constify all char *s.
430 * fixtests.c (skip_quote): Remove double static.
432 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
433 ctrl_use_quotes): Update for new scheme.
434 * fixincl.x: Regenerate.
436 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
438 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
440 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
441 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
443 2000-05-11 Robert Lipe <robertlipe@usa.net>
445 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
446 * fixincl.x: Regenerate.
448 2000-05-11 Richard Henderson <rth@cygnus.com>
450 * calls.c: Revert both 05-09 patches.
452 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
454 * config/mn10300/mn10300.c (print_operand): Print FP constants in
456 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
459 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
460 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
462 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
464 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
466 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
468 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
470 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
472 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
473 * config/avr/avr.c (jump_over_one_insn_p): New function.
474 * config/avr/avr.md: New peepholes added. Output test and
475 conditional jump to "sbrc" or "sbrs" command.
477 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
479 * cppmain.c (main): Use IS_DIR_SEPARATOR.
481 2000-05-11 Jakub Jelinek <jakub@redhat.com>
483 * except.c (find_exception_handler_labels_1): New function.
484 (find_exception_handler_labels): Split into two functions, dive
485 into CALL_PLACEHOLDERs when looking for exception handler labels.
487 2000-05-11 Stan Cox <scox@cygnus.com>
489 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
490 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
491 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
493 2000-05-11 Bruce Korb <bkorb@gnu.org>
495 * fixinc/fixfixes.c (double_slash_fix): obsolete
496 (else_endif_label_fix): obsolete
497 (format_fix): new, unused as yet
499 * fixinc/fixlib.h: added fix description struct for use by format_fix
500 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
501 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
502 modules. Removed the vestiges of the script version.
503 Added support for "make check".
504 * fixinc/check.diff: base diff file (needs work!!)
505 * fixinc/check.tpl: quiet the fixup output
506 * fixinc/fixtests.c (main): obsolete
507 * fixinc/fixincl.sh: don't bother copying fixincl to ..
508 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
510 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
512 * toplev.c (rest_of_compilation): Remove dead code after
515 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
517 * cpphash.c (collect_funlike_expansion): Make "# is not
518 followed by a macro argument name" a pedwarn, not an error.
519 Preserve the # in the output. Suppress the warning if lang_asm.
521 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
523 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
524 * configure: Rebuilt.
526 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
528 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
530 2000-05-10 Kazu Hirata <kazu@hxi.com>
532 * combine.c (try_combine): Fix a typo.
534 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
536 * config/ia64/ia64.md (insv): Add comment.
538 2000-05-10 Richard Henderson <rth@cygnus.com>
540 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
541 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
542 dependancies on FPBIT and DPBIT.
544 2000-05-10 Nick Clifton <nickc@redhat.com>
546 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
547 when optimising for size.
548 (mark_used_regs:) Ditto.
549 (try_pre_increment_1): Ditto.
551 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
553 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
554 Make error message friendlier.
556 * cpphash.h (struct hashnode): Use struct hack for name
558 * cpphash.c (struct hashdummy): New.
559 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
560 (make_HASHNODE): No need to set ->name pointer. Correct
562 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
564 2000-05-10 Richard Henderson <rth@cygnus.com>
566 * flow.c (find_basic_blocks_1): Remove any spare bb_note
569 2000-05-10 Bruce Korb <bkorb@gnu.org>
571 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
573 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
575 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
576 after we enter .debug.
578 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
580 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
581 abstract instance of a nested inline function.
583 * stor-layout.c (finish_record_layout): finalize_type_size
584 before laying out the pending_statics.
586 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
588 * cpplex.c (spell_token): New function.
589 (spell_string, spell_comment, spell_name): fold into
592 (E, H): Remove macros.
593 (save_comment): Save comment opening characters too.
594 (_cpp_lex_file): Update to use spell_token. Tidy up comment
596 * cpplib.h (I, S): Add macros.
597 (E, H): Remove macros.
598 (TTYPE_TABLE): Update entries for new speller.
599 (SYNTAX_ASSERT): Remove.
601 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
603 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
604 when removing escaped newlines. Reverse sense of test for
607 2000-05-09 Richard Henderson <rth@cygnus.com>
609 * flow.c (find_basic_blocks_1): Do not delete the first
610 bb_note we run across.
611 (create_basic_block): Use reorder_insns to move an existing
612 bb_note to the correct place.
614 2000-05-09 Richard Henderson <rth@cygnus.com>
616 * calls.c (expand_call): Increment currently_expanding_call
617 before calling optimize_tail_recursion.
619 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
621 * reload1.c (reload_combine): Fix errors in last change.
623 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
625 * gcc.c (used_arg): Skip over a semicolon at the end of the
626 split-up loop; don't break out of it.
628 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
629 (tree.o): Depend on output.h.
631 * c-decl.c (pending_invalid_xref_file,
632 current_function_prototype_file): Constify.
633 (pushdecl): Constify a local char *.
634 (define_label): Constify filename parameter.
635 * c-lex.c (init_parse): Constify parameter and return value.
636 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
637 * c-tree.h: Update prototypes.
638 * c-parse.in: Constify filename member of %union, and if_stmt_file.
639 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
640 objc/objc-parse.c: Regenerate.
642 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
643 * dwarfout.h: Update prototypes.
644 * expr.c (expand_expr): Constify a local char *.
645 * flags.h: Constify main_input_filename.
646 * function.c (expand_function_end): Constify filename parameter.
647 * genrecog.c (make_insn_sequence): Use a character array for
649 (main): Remove unused variables.
650 * input.h: Constify input_filename, main_input_filename, and
651 file_stack.name. Update prototypes.
652 * output.h: Declare first_global_object_name and
653 weak_global_object_name here, as const char *.
654 * stmt.c (expand_asm_operands): Constify filename parameter.
655 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
656 Constify filename parameter.
657 (input_filename, main_input_filename): Constify.
658 * toplev.h: Update prototypes.
659 * tree.c: Include output.h. Don't declare
660 first_global_object_name or weak_global_object_name. Clean up string
661 bashing in get_file_function_name_long.
662 * tree.h (struct tree_decl): Constify filename member.
663 (input_filename): Constify.
665 * varasm.c (first_global_object_name, weak_global_object_name):
667 (assemble_start_function, assemble_variable): Clean up string bashing.
669 * gcc.c: Constify all spec-related strings initialized,
670 transitively, from string constants. Constify all strings
671 and string variables related to multilibs.
672 (set_spec, read_specs): Cast argument to free to PTR.
673 (used_arg): Do not modify multilib_matches. Use strncmp plus
674 length comparison to compare multilib switches.
675 * genmultilib: Constify everything declared in multilib.h.
677 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
679 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
682 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
684 * config/avr/avr-protos.h (extra_constraint): change a type of
685 second argument from char to int to avoid warnings.
686 (asm_output_byte): Likewise.
688 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
689 (initial_elimination_offset): Handle elimination from
690 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
691 (legitimate_address_p): Use MAX_LD_OFFSET.
692 (legitimize_address): Likewise.
693 (out_movqi_r_mr): Likewise.
694 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
695 (out_movsi_r_mr): Use MAX_LD_OFFSET.
696 (out_movsi_mr_r): Likewise.
697 (out_movqi_mr_r): Likewise.
698 (out_movhi_mr_r): Likewise.
699 (notice_update_cc): Correct CC for the ashrqi3 with the shift
700 count as CONST_INT != 6.
701 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
702 shift count is a CONSTANT_P, but not a CONST_INT.
703 (ashlhi3_out): Coding style modifications.
704 (ashlsi3_out): Likewise.
705 (ashrhi3_out): Likewise.
706 (ashrsi3_out): Likewise.
707 (lshrhi3_out): Likewise.
708 (lshrsi3_out): Likewise.
709 (ashrqi3_out): Generate shift for any known constant count without
710 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
712 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
713 shift count is a CONSTANT_P, but not a CONST_INT.
714 (extra_constraint): change a type of
715 second argument from char to int to avoid warnings.
716 (asm_output_byte): Likewise.
717 (asm_file_end): Output size generated commands count as a hex
720 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
722 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
724 (ashlqi3): Values of "length" attribute changed. Shift count
725 uses constraints 'n' instead of 'i'.
726 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
727 shifts without clobber register.
728 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
729 (call_insn): Correct test for which_alternative == 1 (was 0).
730 (call_value_insn): Likewise.
732 * config/avr/t-avr: Remove definition of FLOAT while generates
735 2000-05-09 Bruce Korb <bkorb@gnu.org>
737 * fixinc/check.tpl: Template for checking fixes
738 * fixinc/inclhack.def: Added 'test_text' for many fixes
739 disable hpux8_bogus_inlines on SCO
740 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
742 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
744 * calls.c (expand_call): Reorganize somewhat in order
745 to avoid unnecesary recalculation inside loop and make
746 tail call failure code cleaner.
748 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
750 * alias.c (nonlocal_reference_p): Minor reformatting.
751 * reload.c (find_equiv_reg): Simplify logic for
752 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
753 some some reformatting.
754 * reload1.c (reload_combine): Don't assume everything in
755 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
757 2000-05-08 Richard Henderson <rth@cygnus.com>
759 * final.c (current_insn_predicate): New.
760 (final_scan_insn): Set it.
761 * output.h (current_insn_predicate): Declare.
763 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
764 Attach it to call insns.
765 (cond_exec_process_if_block): Track probability for true and
767 (dead_or_predicable): Likewise.
769 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
770 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
771 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
772 (estimate_probability, expected_value_to_br_prob): Use them.
774 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
775 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
776 (ia64_expand_prediction): New.
777 (emit_insn_group_barriers): Don't look at notes. Emit barriers
778 as needed after calls.
779 (ia64_epilogue_uses): Mark b0 used.
780 * config/ia64/ia64.md (beq_true, beq_false): Remove.
781 (bne_true, bne_false): Remove.
782 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
783 (br_true, br_false): New. Use predicate_operator and
784 ia64_expand_prediction.
785 (return_true, return_false): Likewise.
786 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
787 (call_internal1, call_value_internal): Likewise.
788 (call_value_internal1, call_multiple_values_internal1): Likewise.
790 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
792 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
794 2000-05-08 Richard Henderson <rth@cygnus.com>
796 * rtlanal.c (may_trap_p): Consider old-style and volatile
799 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
801 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
803 2000-05-08 Richard Henderson <rth@cygnus.com>
805 * config/ia64/ia64.h (predicate_operator): Declare.
807 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
810 * gensupport.c (process_rtx): Copy and post-process each member
811 of the define_insn rtvec individually.
813 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
815 * cpplex.c (spell_token): New function.
816 (TOKEN_LEN): Add 1 for whitespace.
817 (_cpp_lex_file): Update to use spell_token.
818 * cpplib.h (E): Remove.
819 (TTYPE_TABLE): Update CPP_VSPACE entry.
821 2000-05-08 Richard Henderson <rth@cygnus.com>
823 * flow.c (init_propagate_block_info): Watch out for conditional
824 branch to next instruction, and thus one outgoing edge.
826 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
827 for global register variables; don't special case __[CD]TOR_LIST__;
828 mind ggc_p for string allocation.
830 2000-05-08 Nick Clifton <nickc@cygnus.com>
832 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
834 2000-05-08 Bruce Korb <bkorb@gnu.org>
836 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
837 i?86-*-msdosdjgpp* no longer uses fixincludes
838 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
839 * fixinc/inclhack.sh: deleted
840 * fixinc/hackshell.tpl: deleted
841 * fixinc/inclhack.tpl: deleted
842 * fixinc/Makefile.in: Remove dependencies on above
843 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
845 2000-05-08 Andreas Jaeger <aj@suse.de>
847 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
850 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
852 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
855 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
857 * cpplex.c: Move new lexer definitions and prototypes
858 to top. Conditional include these and the code if
859 NEW_LEXER is defined. Rename functions whose names
860 clash if this code included.
862 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
864 * rtl.def (COND_EXEC): Clarify.
866 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
867 same fashion as zero_extendsidi2.
869 2000-05-06 Richard Henderson <rth@cygnus.com>
871 * config/ia64/ia64.c (predicate_operator): New.
872 (ia64_print_operand): Handle 'J'.
873 (rtx_needs_barrier): Handle COND_EXEC.
874 * config/ia64/ia64.h (BRANCH_COST): Define.
875 (PREDICATE_CODES): Update.
876 * config/ia64/ia64.md: Docuement used unspec values.
877 (attr predicable): New.
878 (movxf, movxf_internal): New.
879 (extendsfdf2): Don't comment out nop.
880 (floatdidf2): Remove.
881 (truncxfsf2, truncxfdf2, floatdixf2): New.
882 (abssi2, absdi2): Put the neg in the "true" slot.
883 (conditional branch instructions): Mark not predicable.
884 (cmov*_internal): Use predicate_operator. Split to cond_exec.
885 (abs*_internal): Likewise.
886 (alloc, set_bsp): Mark not predicable.
887 (barrier, insn_group_barrier, flush_cache): Likewise.
888 (define_cond_exec): New.
890 2000-05-06 Richard Henderson <rth@cygnus.com>
892 * c-decl.c: Include "tm_p.h".
894 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
895 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
896 (ia64_expand_op_and_fetch): Declare.
897 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
898 (setjmp_operand): Constify variables for XSTR.
899 (ia64_encode_section_info): Likewise.
900 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
902 (ia64_asm_output_external): Constify name.
903 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
904 (process_for_unwind_directive): Provide switch default.
905 (ia64_expand_compare_and_swap): Remove unused variables.
906 (ia64_expand_builtin): Likewise.
907 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
910 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
911 (symbolic_operand, function_operand, setjmp_operand): Likewise.
912 (shift_count_operand, shift_32bit_count_operand): Likewise.
913 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
914 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
915 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
916 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
917 (ia64_expand_builtin): Likewise.
918 (call_multiple_values_operation): Make dest_regno unsigned.
920 2000-05-06 Richard Henderson <rth@cygnus.com>
922 * rtl.def (DEFINE_COND_EXEC): New.
923 * md.texi: Document it.
925 * gensupport.c (input_file): Remove.
926 (struct queue_elem): Add lineno.
927 (rtx_ready_queue): Remove.
929 (predicable_default): New.
930 (predicable_true, predicable_false): New.
931 (define_attr_queue, define_attr_tail): New.
932 (define_insn_queue, define_insn_tail): New.
933 (define_cond_exec_queue, define_cond_exec_tail): New.
934 (other_queue, other_tail): New.
935 (queue_pattern): New.
936 (process_rtx): Add patterns to the appropriate queues.
937 (is_predicable, identify_predicable_attribute): New.
938 (n_alternatives, collect_insn_data): New.
939 (alter_predicate_for_insn, alter_test_for_insn): New.
940 (shift_output_template, alter_output_for_insn): New.
941 (process_one_cond_exec, process_define_cond_exec): New.
942 (init_md_reader): Read the entire file. Process define_cond_exec.
943 (read_md_rtx): Return elements from the queues.
945 2000-05-06 Richard Henderson <rth@cygnus.com>
947 * flow.c (mark_set_1): Don't update conditional life info
948 if the register is not_dead.
950 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
952 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
953 (mostlyclean): Also delete fixincl, fixinc.sh, and
954 specs.ready, and make clean in the fixinc subdir.
956 2000-05-06 Richard Henderson <rth@cygnus.com>
958 * Makefile.in (gensupport.o): Compile for the host.
959 (host-prefix gensuuprt.o): Remove.
960 (genflags.o): Depend on gensupport.h and OBSTACK_H.
961 (genattrtab.o): Likewise.
962 (gencodes.o): Depend on gensupport.h.
963 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
964 (genpeep.o, genattr.o, genoutput.o): Likewise.
966 * gensupport.c (obstack, rtl_obstack): New.
967 (init_md_reader): Initialize rtl_obstack.
968 * gensupport.h (rtl_obstack): Declare.
969 (message_with_line): Declare.
971 * genattr.c: Remove all traces of obstack manipulation.
972 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
973 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
975 * genattrtab.c (obstack, rtl_obstack): Remove.
976 (main): Don't init rtl_obstack.
977 * genflags.c: Likewise.
979 * genrecog.c (message_with_line): Move ...
980 * gensupport.c: ... here.
982 2000-05-06 Richard Henderson <rth@cygnus.com>
984 * c-typeck.c (build_c_cast): Remove dead code.
986 2000-05-06 Richard Henderson <rth@cygnus.com>
988 * flow.c (split_edge): Don't allocate global_live_at_start for
989 the new block unless the old blocks had them as well.
991 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
993 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
994 test_bb if a or b uses x.
996 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
998 * cpphash.h: Remove conditional #define of __extension__.
999 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
1000 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
1001 (ENABLE_RTL_CHECKING only).
1002 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
1003 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
1004 (ENABLE_TREE_CHECKING only).
1005 * varray.h: Add __extension__ to VARRAY_CHECK macro
1006 (ENABLE_CHECKING only).
1008 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1010 Use new tail-calling mechanism on ARM.
1011 * arm.md (sibcall, sibcall_value): New expands.
1012 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
1013 (tailcalling peepholes): Delete.
1014 (push_multi): Simplify.
1015 * arm.c (lr_save_eliminated): Delete definition.
1016 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
1017 (output_return_instruction): Remove checks on lr_save_eliminated.
1018 (output_arm_prologue): Remove old tail-calling code.
1019 (arm_output_epilogue): New parameter, really_return. All callers
1020 changed. Handle tail-calling epilogues.
1021 * arm.h (lr_save_eliminated): Delete declaration.
1022 (frame_pointer_needed): Delete declaration.
1023 * arm-protos.h (arm_output_epilogue): Adjust prototype.
1025 * arm.md (is_thumb): Examine symbol thumb_code, not expression
1027 * arm.c (thumb_code): Define it.
1028 (arm_override_options): Set it.
1029 * arm.h (thumb_code): Declare it.
1031 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1033 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
1035 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1037 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
1038 bogus clobber to insns.
1039 (load_multiple_operation, store_mulitple_operation): Don't check
1041 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
1043 * arm.md (and_scc, ior_scc): Add missing mode.
1045 * arm.md (call_value_symbol): Remove predicate from op2.
1047 * arm.h (SPECIAL_MODE_PREDICATES): Define.
1049 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1051 * expr.c (get_subtarget): New function.
1052 (force_operand, expand_expr, do_store_flag): Use it.
1054 * toplev.c (compile_file): Don't take strlen of NAME if null.
1056 2000-05-06 David Edelsohn <edelsohn@gnu.org>
1058 * xcoffout.c (xcoff_current_include_file,
1059 xcoff_current_function_file, xcoff_lastfile): Constify char *.
1060 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
1062 (xcoffout_declare_function): Make name 'const char *'.
1063 (xcoffout_end_epilogue): Make fname 'const char *'
1064 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
1065 xcoffout_declare_function, xcoffout_source_line): Match above.
1067 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
1069 * rs6000.c (print_operand): Fix lossage typo.
1070 (output_cbranch): Remove "cr" decoration for now.
1071 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
1073 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
1075 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
1078 2000-05-05 Bruce Korb <bkorb@gnu.org>
1080 * fixinc/genfixes: Improve the matching for make target names
1082 2000-05-05 Catherine Moore <clm@cygnus.com>
1084 * c-common.c (decl_attributes): For TYPE_DECLs attach the
1085 attribute to the decl.
1086 * c-decl.c (pushdecl): Propagate the USED attribute to the
1089 2000-05-05 Richard Henderson <rth@cygnus.com>
1091 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
1092 same way emit_group_load does.
1094 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
1096 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
1098 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
1101 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
1103 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
1105 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
1107 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
1108 to support -shared, on platforms with dynamic libraries.
1110 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
1112 * system.h (S_ISBLK): Provide fallback definition.
1114 2000-05-05 Geoff Berry <geoffb@bops.com>
1116 * extend.texi (Extended Asm): Document inability to give asm
1117 statements access to condition codes.
1119 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
1121 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
1122 as arg 2 of UNIQUE_SECTION.
1124 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
1126 * predict.c: Remove May 4 change.
1127 * bb-reorder.c (make_reorder_chain): Do not perform block movement
1128 if we have predicted the branch at 50-50 probability.
1130 2000-05-05 Richard Henderson <rth@cygnus.com>
1132 * flow.c (init_propagate_block_info): Fix merge error
1133 in HAVE_conditional_execution code.
1135 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
1137 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
1138 shift cycle for unknown shift count. Also generates dec + brpl.
1139 (ashlqi3_out): Don't generate dec + brpl which now generates by
1140 `out_shift_with_cnt'.
1141 (ashlhi3_out): Likewise.
1142 (ashlsi3_out): Likewise.
1143 (ashrqi3_out): Likewise.
1144 (ashrhi3_out): Likewise.
1145 (ashrsi3_out): Likewise.
1146 (lshrqi3_out): Likewise.
1147 (lshrhi3_out): Likewise.
1148 (lshrsi3_out): Likewise.
1150 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
1152 * gcc.c (free_split_directories): Correct typo in explanation
1153 of make_relative_prefix.
1155 2000-05-04 Geoff Keating <geoffk@cygnus.com>
1157 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
1158 comparison codes to branch_comparison_operator.
1160 2000-05-04 Richard Henderson <rth@cygnus.com>
1162 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
1164 2000-05-04 Richard Henderson <rth@cygnus.com>
1166 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
1167 (DPBIT_FUNCS): Remove _sf_to_usi.
1168 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
1170 * ifcvt.c (noce_process_if_block): Fail if A or B modified
1171 between condition and jump.
1173 * libgcc2.c (near eh_context_specific): Comment #endif string.
1174 * longlong.h: Don't use strings with embedded newlines.
1176 2000-05-04 Geoff Keating <geoffk@cygnus.com>
1178 * config/rs6000/rs6000-protos.h: Add output_cbranch.
1179 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
1180 (print_operand): Delete %t and %T codes.
1181 (output_cbranch): New function. Support branch prediction.
1182 * config/rs6000/rs6000.md: Use output_cbranch for
1183 conditional branches and returns.
1185 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
1187 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
1188 * stor-layout.c (place_field): Likewise.
1189 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
1190 * expr.c (store_expr): Make align unsigned.
1191 * explow.c (plus_constant_wide): Make low words unsigned.
1192 * expmed.c (choose_multiplier): Likewise.
1193 * fold-const.c (fold): Likewise.
1194 * tree.h (build_int_2): Likewise.
1195 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
1196 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
1197 (init_emit): Change cast to unsigned char*.
1198 * varasm.c (compare_constant_1): Add cast to char*.
1199 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
1200 * reload1.c (reload): Likewise.
1202 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
1204 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
1206 * predict.c (estimate_probability): If no prediction was found, then
1207 predict the successor that is the next physical block (if such a
1210 2000-05-04 Richard Henderson <rth@cygnus.com>
1212 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
1214 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1216 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
1218 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
1220 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
1221 attribute macros from here ...
1222 (CPP_SPEC): to here.
1223 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
1224 (CPP_SPEC): Likewise.
1225 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
1227 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
1228 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
1230 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1232 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
1234 * diagnostic (vbuild_message_string, build_message_string,
1235 build_location_prefix, output_get_prefix, init_output_buffer,
1236 output_notice, vline_wrapper_message_with_location,
1237 v_message_with_decl, default_print_error_function): De-constify.
1238 (set_real_maximum_length): Prototype.
1240 * diagnostic.h (struct output_buffer, init_output_buffer,
1241 output_get_prefix, output_set_prefix): De-constify.
1243 * function.c (init_function_start): Constify.
1245 * gensupport.c (remove_constraints, process_rtx): Prototype.
1247 * gthr-posix.h: Indent uses of #pragma.
1249 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
1252 * predict.c (find_expected_value): Delete prototype.
1253 (expected_value_to_br_prob): Initialize variable `ev_reg'.
1255 * sbitmap.h (debug_sbitmap): Prototype.
1257 * ssa.c (compute_coalesced_reg_partition): Prototype.
1259 * stor-layout.c (debug_rli): Prototype.
1261 * tree.h (round_down): Prototype.
1262 (init_function_start): Constify.
1264 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
1266 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
1267 (overly conservative). Change extern inline wrappers to
1268 static inline, define them always, use PARAMS properly.
1269 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
1270 whitespace warnings for \f and \v at the beginning of a line.
1272 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
1274 * haifa-sched.c (schedule_insns): Free the flow edge list when it
1277 2000-05-04 Bruce Korb <bkorb@gnu.org>
1279 * fixincl/inclhack.def: added broken_cabs -
1280 Remove `extern double cabs' declarations from math.h
1281 * fixincl/inclhack.sh: regen
1282 * fixincl/fixincl.x: regen
1283 * fixincl/fixincl.c: Remove BOGOSITY code
1284 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
1286 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1288 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
1290 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
1291 when calling MEM_COPY_ATTRIBUTES.
1292 * emit-rtl.c (operand_subword, change_address): Likewise.
1293 * explow.c (stabilize): Likewise.
1294 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
1295 * integrate.c (copy_rtx_and_substitute): Likewise.
1296 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
1297 when calling MEM_COPY_ATTRIBUTES.
1298 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
1300 * cse.c (gen_lowpart_if_possible): Likewise.
1301 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
1302 * optabs.c (gen_move_insn): Likewise.
1303 * recog.c (validate_replace_rtx_1): Likewise.
1304 * simplify-rtx.c (add_mem_for_addr): Likewise.
1305 * stmt.c (expand_anon_union_decl): Likewise.
1306 * config/arm/arm.md: Likewise.
1307 * config/h8300/h7300.c (fix_bit_operand): Likewise.
1308 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
1309 (block_move_no_loop, block_move_sequence): Likewise.
1310 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
1311 * config/alpha/alpha.c (get_aligned_mem): Likewise.
1312 Clear MEM_ALIAS_SET.
1313 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
1314 MEM_COPY_ATTRIBUTES.
1316 2000-05-03 Robert Lipe <robertlipe@usa.net>
1318 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
1319 to suppress libgcc1.
1320 (i[34567]86-*-sco3.2v5*) Likewise.
1321 (i[34567]86-*-sco3.2v4*) Likewise.
1322 (i[34567]86-*-sco) Likewise.
1323 (i[34567]86-*-solaris2) Likewise.
1324 (i[34567]86-*-sysv5*) Likewise.
1325 (i[34567]86-*-sysv4*) Likewise.
1326 (i[34567]86-*-udk*) Likewise.
1327 (i[34567]86-*-sysv*) Likewise.
1329 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
1331 * cpphash.h (U): New define, to correct type of string constants.
1332 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
1333 routines, to do casts when passing unsigned strings to libc.
1334 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
1336 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
1337 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
1338 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
1339 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
1340 second argument an U_CHAR *.
1342 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
1343 length field, clean up initializer.
1344 (ISTABLE): Add __extension__ to designated-
1345 initializers version.
1346 * cpplex.c (CHARTAB): Likewise.
1348 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
1349 case so the file won't be empty.
1351 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
1353 * bb-reorder.c (struct reorder_block_def): Member succ removed.
1354 (REORDER_BLOCK_SUCC): Removed.
1355 (enum reorder_skip_type): Removed.
1356 (skip_insns_between_block): Renamed to skip_insns_after_block.
1357 Removed second argument. Removed dead code and cleaned up.
1358 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
1359 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
1360 second parameter to skip_insns_after_block.
1362 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1364 * tree.c (staticp, case LABEL_DECL): New case.
1366 2000-05-03 Richard Henderson <rth@cygnus.com>
1368 * Makefile.in (start.encap): Do not depend on LIBGCC1.
1370 * mklibgcc1.in: Fix typo last change.
1372 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
1374 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
1375 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
1376 (GCC_CFLAGS): Use it.
1377 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
1378 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
1379 objc/Make-lang.in: Use it.
1381 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
1383 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
1385 2000-05-03 Richard Henderson <rth@cygnus.com>
1387 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
1388 LIBGCC1 empty with libgcc1.null.
1390 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
1392 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
1395 2000-05-03 Greg McGary <gkm@gnu.org>
1397 * tree.h (tree_common): Add bounded_flag member. Remove
1398 inaccurate comment about number of remaining bits.
1399 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
1400 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
1401 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
1402 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
1403 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
1404 (TYPE_QUAL_BOUNDED): New constant.
1405 (TYPE_QUALS): Handle bounded qualifier.
1406 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
1407 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
1408 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
1409 TYPE_AMBIENT_BOUNDEDNESS): New macros.
1410 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
1411 (tree_type): Add pointer_depth member. Remove
1412 inaccurate comment about number of remaining bits.
1413 (DECL_POINTER_DEPTH): Add macro.
1414 (tree_decl): Add pointer_depth member.
1416 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
1418 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
1419 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
1420 (lshrhi3_out): Likewise.
1421 (ashrsi3_out): bugfix in shift by 8.
1422 (test_hard_reg_class): New function.
1423 * config/avr/avr.md: Bugfix inside conditions in peepholes.
1424 (ashlhi3): removed define_expand of this pattern.
1425 (*ashlhi3_insn): renamed to ashlhi3.
1426 (ashlsi3): removed define_expand of this pattern.
1427 (*ashlsi3_insn): renamed to ashlsi3.
1428 (ashrqi3): removed define_expand of this pattern.
1429 (*ashrqi3_insn): renamed to ashrqi3.
1430 (ashrhi3): removed define_expand of this pattern.
1431 (*ashrhi3_insn): renamed to ashrhi3.
1432 (ashrsi3): removed define_expand of this pattern.
1433 (*ashrsi3_insn): renamed to ashrsi3.
1434 (lshrhi3): removed define_expand of this pattern.
1435 (*lshrhi3_insn): renamed to lshrhi3.
1436 (lshrsi3): removed define_expand of this pattern.
1437 (*lshrsi3_insn): renamed to lshrsi3.
1439 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
1441 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
1442 inclusion of "system.h".
1444 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
1446 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
1449 2000-05-03 David Mosberger <davidm@hpl.hp.com>
1451 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
1452 if -mauto-pic is on.
1453 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
1454 -mconstant-gp is in effect and function-descriptors are being used
1455 to make indirect calls.
1456 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
1457 (MASK_AUTO_PIC): Ditto.
1458 (TARGET_CONST_GP): Ditto.
1459 (TARGET_AUTO_PIC): Ditto.
1460 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
1461 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
1462 -mno-pic is in effect.
1463 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
1464 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
1465 -mauto-pic is in effect.
1466 (gprel64_offset): New pattern.
1467 (load_gprel64): Ditto.
1468 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
1469 -mconstant-gp is in effect, no need to preserve gp around direct
1471 (call_value): Ditto.
1472 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
1473 (FUNCTION_PROFILER): Define.
1474 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
1475 @fptr() directive when -mno-pic or -mauto-pic is in effect.
1476 (ASM_OUTPUT_DESTRUCTOR): Ditto.
1478 2000-05-03 Richard Henderson <rth@cygnus.com>
1480 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
1481 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
1482 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
1483 (mklibgcc, libgcc.mk): New targets.
1484 (libgcc.a): Use libgcc.mk.
1485 (stmp-multilib): Likewise.
1486 (stmp-multilib-sub): Remove.
1487 (mostlyclean): Don't delete libgcc2 temp files.
1488 * configure.in (AC_PROG_CC_C_O): Add.
1489 (NO_MINUS_C_MINUS_O): Substitute it.
1490 (all_outputs): Add mklibgcc.
1491 * mklibgcc.in: New file.
1493 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
1495 * cppexp.c (op_t): Make an int.
1497 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
1499 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
1501 * gensupport.c (process_rtx): Fix macros used.
1503 2000-05-03 Richard Henderson <rth@cygnus.com>
1505 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
1506 call-clobbered registers of a call.
1508 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
1510 * gensupport.c: New file.
1511 * gensupport.h: New file.
1512 * Makefile.in (HOST_RTL): Depend on gensupport.
1513 (gensupport.o) New rule.
1514 * genattr.c: Use gensupport for reading .md files.
1515 * genattrtab.c: Ditto.
1516 * gencodes.c: Ditto.
1517 * genconfig.c: Ditto.
1519 * genextract.c: Ditto.
1520 * genflags.c: Ditto.
1521 * genopinit.c: Ditto.
1522 * genoutput.c: Ditto.
1524 * genrecog.c: Ditto.
1525 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
1526 * md.texi (Insn Splitting): Document define_insn_and_split.
1528 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
1530 * flow.c (verify_flow_info): Added two more sanity checks. The
1531 first checks that the blocks are numbered consecutively. The second
1532 checks that n_basic_blocks is actually equal to the number of
1533 basic blocks in the insn chain.
1535 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
1537 * cpplib.h: Add accessor macros for token lists.
1538 * cpplib.c, cpphash.c, cpplex.c: Use them.
1540 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1542 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
1543 memory usage if not in a function.
1544 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
1545 return address if static.
1547 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
1549 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
1550 whether address may trap.
1552 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
1554 * bb-reorder (chain_reorder_blocks): Changed code to test for
1555 EDGE_FALLTHRU rather than making erroneous assumption that the
1556 first outgoing edge is the fall-through edge.
1558 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
1560 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
1561 ABI for varargs, across all MIPS. This is incompatible because the
1562 va_list (__builtin_va_list) structure is different, so a compilation
1563 unit passing a va_list and a compilation unit being passed one, should
1564 both be compiled with the same ABI. (The old structure had two
1565 pointers, now it has three.)
1567 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
1569 * bb-reorder.c (struct reorder_block_def): Remove members end,
1570 block_begin, and block_end.
1571 (REORDER_BLOCK_OLD_END): Delete.
1572 (REORDER_BLOCK_BEGIN): Delete.
1573 (REORDER_BLOCK_END): Delete.
1574 (chain_reorder_blocks): Remove dead code.
1576 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
1578 * bb-reorder.c (remove_scope_notes): Check for both types of scope
1579 notes as the end of a basic block before deleting.
1581 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
1583 * final.c (final_start_function): Fix spelling of "necessary".
1585 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
1587 * toplev.c (debug_ignore_block): Return int.
1588 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
1589 * toplev.h, dwarf2out.h: Adjust.
1590 * emit-rtl.c (remove_unnecessary_notes): Test return value.
1592 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
1593 * toplev.c, final.c, rtl.h: Adjust.
1595 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
1597 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
1598 * configure.in: Look for makeinfo in the unified tree, then
1599 for a system makeinfo which is sufficiently new.
1600 * Makefile.in: If configure says makeinfo is too old, don't
1601 build or install Info documentation.
1603 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
1605 * cpphash.c (collect_params): Fix off-by-one error.
1606 (dump_hash_helper): Dump all four macro nodetypes.
1608 2000-05-02 Jakub Jelinek <jakub@redhat.com>
1610 * cpphash.c (trad_stringify): Adjust p after stringification as
1613 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
1615 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
1616 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
1618 * cppfiles.c (file_cleanup): Delete.
1619 * cpphash.c (macro_cleanup): Delete.
1620 (collect_objlike_expansion, collect_funlike_expansion,
1621 macarg, scan_arguments): Remove CPP_POP case.
1623 * cpplex.c (null_cleanup): Delete.
1624 (cpp_pop_buffer): Do the work that was done in the cleanups
1625 here. Call _cpp_unwind_if_stack from here.
1626 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
1627 cpp_scan_buffer): Run until we see CPP_EOF and the top of
1628 stack is the buffer _below_ the one we stacked.
1629 (cpp_get_token): Always pop an exhausted buffer. Return
1630 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
1631 * cpplib.c (skip_if_group): Don't call cpp_get_token to
1632 increment the line number.
1633 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
1635 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
1636 we see CPP_EOF and the top of stack is the buffer _below_ the
1638 * scan-decls.c: Likewise.
1640 2000-05-02 Andrew Haley <aph@cygnus.com>
1642 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
1643 where this function is called for the second time on a decl that
1644 has had its section info changed in such a way as to move it out
1646 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
1648 2000-05-01 Richard Henderson <rth@cygnus.com>
1650 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
1651 the sequence we're moving, not to merge_bb->head.
1653 2000-05-01 Richard Henderson <rth@cygnus.com>
1655 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
1656 reference to alpha/t-linux.
1657 (alpha*-*-linux-gnu*): Likewise.
1658 * configure: Rebuild.
1660 * calls.c (expand_call): Don't emit reg notes for a sibcall.
1662 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
1665 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
1667 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
1669 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
1672 2000-05-01 Richard Henderson <rth@cygnus.com>
1674 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
1675 emit_conditional_move.
1677 2000-05-01 Jakub Jelinek <jakub@redhat.com>
1679 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
1680 as the dynamic linker.
1682 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
1684 * cppfiles.c (open_include_file): Open file in blocking mode.
1685 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
1686 Only exclude block devices and directories.
1688 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
1689 static. Allocate the hashnode and its string in the same
1691 (del_HASHNODE): Don't free h->name.
1692 (_cpp_lookup): If there is no entry for this string, create
1693 one, of type T_VOID.
1694 (_cpp_lookup_slot): Delete.
1695 * cpphash.h: Update prototypes.
1697 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
1699 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
1700 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
1701 node here, just fill in the value field properly. "Delete"
1702 entries by setting the value field to T_VOID. Check for
1703 hp->type == T_VOID, not hp == NULL.
1705 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
1706 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
1709 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
1711 * config/mn10300/mn10300.c (print_operand_address): Do not add
1714 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
1715 adjusted by less than 256 bytes, use ret regardless of having any
1716 callee-saved register to restore.
1718 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
1720 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
1722 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
1724 * config/i386/djgpp.h (INT_ASM_OP): Define.
1725 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
1726 (ASM_WEAKEN_LABEL): Define.
1727 (MASK_BNU210): Define.
1728 (SUBTARGET_SWITCHES): Define.
1729 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
1730 (MAKE_DECL_ONE_ONLY): Define.
1731 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
1733 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
1735 * i386/cygwin.h (INT_ASM_OP): Define.
1737 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
1739 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
1740 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
1742 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
1744 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
1745 __tmp_reg__ and __zero_reg__ initialization.
1747 2000-04-30 Richard Henderson <rth@cygnus.com>
1749 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
1751 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
1752 referenced bewteen the condition and the jump. Don't delete
1753 anything but the jump.
1755 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
1757 * bb-reorder.c (scope_def): New struct.
1758 (scope_forest_info): New struct.
1759 (struct reorder_block_def): New member "scope".
1760 (REORDER_BLOCK_SCOPE): New macro.
1761 (relate_bbs_with_scopes): New function and prototype.
1762 (make_new_scope): Likewise.
1763 (build_scope_forest): Likewise.
1764 (remove_scope_notes): Likewise.
1765 (insert_intra_1): Likewise.
1766 (insert_intra_bb_scope_notes): Likewise.
1767 (insert_inter_bb_scope_notes): Likewise.
1768 (rebuild_scope_notes): Likewise.
1769 (free_scope_forest_1): Likewise.
1770 (free_scope_forest): Likewise.
1771 (dump_scope_forest): Likewise.
1772 (dump_scope_forest_1): Likewise.
1773 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
1774 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
1776 (reorder_basic_blocks): Added calls to build_scope_scope_forest
1777 and remove_scope_notes before reordering is done. Added calls to
1778 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
1779 after reordering is done.
1781 2000-40-30 Bruce Korb <bkorb@gnu.org>
1783 * fixinc/inclhack.def: Added definitions needed by OSR5,
1784 removed two stale entries (defined away with OLD_CPP).
1785 * fixinc/inclhack.sh: regen
1786 * fixinc/fixincl.x: regen
1788 2000-04-30 Richard Henderson <rth@cygnus.com>
1790 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
1791 from the last insn in the sequence.
1793 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
1795 * cpplex.c (cpp_idcmp): New function.
1796 * cpplib.h: Prototype it.
1797 * scan_decls.c (scan_decls): Use it to inspect token names.
1798 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
1799 the file being run through the preprocessor.
1800 (check_macro_names): Provide length of token to cpp_defined.
1802 * Makefile.in: Remove stale warning message.
1804 * cppfiles.c (redundant_include_p): Provide length of token to
1806 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
1807 values are unsigned int.
1808 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
1809 (_cpp_lookup_slot): Do not calculate the hash, either.
1810 * cpphash.h: Update prototypes.
1811 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
1812 Hashes are unsigned int. Calculate hash here, pass by value
1813 to _cpp_lookup_slot.
1815 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
1817 * simplify-rtx.c (check_value_useless): Delete function.
1818 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
1820 (cselib_invalidate_regno): Likewise.
1821 (cselib_invalidate_mem_1): Likewise.
1822 (references_value_p): Recognize useless values by the fact that they
1824 (discard_useless_values): Likewise.
1825 (cselib_record_set): This may turn a useless value
1828 2000-04-30 Richard Henderson <rth@cygnus.com>
1830 * config/d30v: New port.
1832 * configure.in (d30v-*): Set fp format.
1833 * configure: Rebuild.
1835 2000-04-30 Richard Henderson <rth@cygnus.com>
1837 * ifcvt.c: New file.
1838 * Makefile.in (OBJS): Add it.
1839 (ifcvt.o): New target.
1840 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
1841 and conditional arithmetic.
1842 (find_insert_position): Remove.
1843 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
1844 * toplev.c (DFI_ce, DFI_ce2): New.
1845 (dump_file): Add ce and ce2 dumps.
1846 (rest_of_compilation): Run if_convert a couple o times. Set
1847 cse_not_expected after cse2. Don't set no_new_pseudos until
1848 after sched1 or recompute_reg_usage.
1850 2000-04-30 Richard Henderson <rth@cygnus.com>
1852 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
1853 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
1855 2000-04-30 Richard Henderson <rth@cygnus.com>
1857 * flow.c (struct reg_cond_life_info): New.
1858 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
1859 (init_propagate_block_info): Initialize them.
1860 (free_propagate_block_info): Destruct them.
1861 (mark_set_1): Consider conditional life before killing a register.
1862 (mark_regno_cond_dead): New.
1863 (free_reg_cond_life_info): New.
1864 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
1865 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
1866 (mark_used_reg): Record conditional life.
1868 * haifa-sched.c (schedule_insns): Disable death counting
1869 sanity check for HAVE_conditional_execution.
1871 2000-04-30 Richard Henderson <rth@cygnus.com>
1873 * Makefile.in (TIMEVAR_H): New.
1874 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
1875 (timevar.h): Remove rule.
1877 2000-04-29 Richard Henderson <rth@cygnus.com>
1879 * config/alpha/crtend.asm: Use C comments instead of #.
1880 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
1882 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
1884 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
1886 * cpphash.h (enum node_type: Take out T_MCONST.
1887 (union hashval): Move into struct hashnode.
1888 (struct hashnode): Pack tighter. Remove file, line, col
1890 * cpphash.c: Constify most of the macro-definition structures.
1891 (struct definition): Replace by struct object_defn
1892 and struct funct_defn. Put file, line, column information
1893 here. All users updated to match.
1894 (_cpp_create_definition, _cpp_macroexpand): Remove special
1895 case for #define WORD OTHERWORD.
1896 * cpplib.c (do_undef): Remove T_MCONST case.
1898 * cpphash.h: Move struct reflist, struct definition, and the
1899 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
1900 union hashval. _cpp_free_definition takes a HASHNODE pointer.
1901 * cpphash.c (_cpp_free_definition): Free data pointed to by
1902 MCONST, XCONST, MACRO, and FMACRO nodes properly.
1903 (_cpp_create_definition, del_HASHNODE): Just call
1904 _cpp_free_definition to clear out a hashnode.
1905 * cpplib.c (do_pragma_poison): Likewise.
1907 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1909 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
1910 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
1911 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
1912 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
1913 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
1914 REGNO_AM33_P): Redefine in terms of the new macros.
1915 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
1916 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
1917 STRUCT_VALUE): Likewise.
1918 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1919 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
1921 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
1923 * regmove.c (struct record_stack_memrefs_data): New.
1924 (record_stack_memrefs): New function.
1925 (combine_stack_adjustments_for_block): Use it.
1927 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
1929 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
1930 use special_function_p to detect alloca.
1932 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
1934 * gcc.texi: Fixes for makeinfo 4.0 --html.
1936 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
1938 * pcp.h: Delete file.
1940 2000-04-28 Kazu Hirata <kazu@hxi.com>
1942 * h8300.c (function_epilogue): Clean up flags when the last insn
1943 in a function is a barrier.
1945 2000-04-28 Chris Demetriou <cgd@sibyte.com>
1947 * configure.in (sparc-hal-solaris2*): protect [] glob from
1949 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
1950 rather than hard-coded constants in target_cpu_default2.
1951 * configure: Regenerate.
1953 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
1955 * tree.c (get_callee_fndecl): Extract the initial value from
1958 2000-04-28 Richard Henderson <rth@cygnus.com>
1960 * varasm.c (record_constant_1): Record the CODE_LABEL when
1961 taking the address of a LABEL_REF.
1963 2000-04-28 Richard Henderson <rth@cygnus.com>
1964 Jan Hubicka <jh@suse.cz>
1966 * calls.c (combine_pending_stack_adjustment_and_call): Return the
1967 adjustment; don't do the stack adjust.
1968 (expand_call): Call compute_argument_block_size right before
1969 allocating the block; update comment; don't do alignment sanity
1970 checking for sibling call; use args_size instead of
1971 unadjusted_args_size before args_size is adjusted. Use
1972 combine_pending_stack_adjustment_and_call to compute stack adjust
1973 for must_preallocate case.
1975 * expr.c (push_block): Remove shadow `temp' in inner scope.
1977 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
1979 * toplev.c (rest_of_compilation): Call
1980 note_deferral_of_defined_inline_function even if the function
1983 2000-04-28 Scott Bambrough <scottb@netwinder.org>
1985 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
1987 2000-04-28 Richard Henderson <rth@cygnus.com>
1989 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
1991 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1993 * timevar.c (init_timevar): DeANSIfy function definition.
1995 2000-04-27 Alex Samuel <samuel@codesourcery.com>
1997 * Makefile.in (timevar.o): Depend on flags.h.
1998 * timevar.c (unused_stack_instances): New variable.
1999 (timevar_push): Take a timevar_stack_def from
2000 unused_stack_instances if available.
2001 (timevar_pop): Push the popped timevar_stack_def onto
2002 unused_stack_instances.
2003 (TIMEVAR_ENABLE): New macro.
2004 (timevar_def): Make standalone a 1-bit field. Add field used.
2005 (get_time): Rename parameter to now. Return after clearing it if
2007 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
2008 (timevar_pop): Likewise.
2009 (timevar_stop): Likewise.
2010 (timevar_push): Likewise. Mark the timing variable as used.
2011 (timevar_start): Likewise.
2012 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
2013 timevars that were never used.
2015 2000-04-27 Mark Mitchell <mark@codesourcery.com>
2017 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
2018 always TREE_READONLY.
2020 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
2022 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
2023 for call instruction with mode QImode.
2025 2000-04-27 Alex Samuel <samuel@codesourcery.com>
2027 * Makefile.in (OBJS): Add timevar.o.
2028 (toplev.o): Depend on timevar.h.
2029 (ggc-simple.o): Likewise.
2030 (ggc-page.o): Likewise.
2031 (timevar.o): New rule.
2032 (timevar.h): New rule.
2034 * timevar.h: New file.
2035 * timevar.c: Likewise.
2036 * timevar.def: Likewise.
2038 * toplev.h (gc_time, parse_time, varconst_time): Remove.
2039 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
2041 (TIMEVAR): Remove macro.
2042 (gc_time, parse_time, varconst_time, integration_time, jump_time,
2043 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
2044 flow_time, combine_time, regmove_time, sched_time,
2045 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
2046 sched2_time, dbr_sched_time, reorder_blocks_time,
2047 rename_registers_time, shorten_branch_time, stack_reg_time,
2048 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
2050 (compile_file): Don't initialize time variables. Call
2051 init_timevar and start TV_TOTAL timer. Call timevar_print instead
2052 of many calls to print_time.
2053 (rest_of_compilation): Add timing for reload_cse_regs.
2054 (get_run_time): Removed to timevar.c.
2055 (print_time): Likewise.
2056 (get_run_time): Implement using TV_TOTAL time variable.
2057 (print_time): Get total run time from get_run_time.
2058 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
2059 computing elapsed time explicitly.
2060 * ggc-simple.c (ggc_collect): Likewise.
2061 (gc_time): Remove declaration.
2063 2000-04-27 Mark Mitchell <mark@codesourcery.com>
2065 * calls.c (combine_pending_stack_adjustment_and_call): New function.
2066 (expand_call): Use it.
2068 2000-04-27 Jan Hubicka <jh@suse.cz>
2070 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
2073 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
2075 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
2078 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
2080 * function.c (epilogue_done): Pass whole insn to record_insns.
2082 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
2084 * cse.c (CSE_ADDRESS_COST): Remove.
2085 (find_best_addr): Add new parameter "MODE", use address_cost instead
2087 (address_cost): New.
2088 (fold_rtx): Update call of find_best_addr.
2089 * rtl.h (address_cost): Declare.
2090 * loop.c (general_induction_var): Add new parameter "MODE", use
2091 address_cost instead of ADDRESS_COST
2092 (init_loop): Use address_cost instead of ADDRESS_COST.
2093 (check_insn_for_givs): Update call of general_induction_var.
2094 (find_mem_givs): Likewise.
2095 (consec_sets_giv): Likewise.
2096 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
2097 * i386.c (ix86_address_cost): New.
2098 * i386-protos.h (ix86_address_cost): Declare.
2100 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
2102 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
2105 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
2107 * expr.c (store_expr): Use clear_storage instead of direct memset
2110 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
2112 * config/mn10300/mn10300.c (mn10300_address_cost): Test
2113 ASHIFT, AND and LABEL_REF.
2115 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
2117 * invoke.texi (-foptimize-sibling-calls): Fix.
2119 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
2121 * loop.c (load_mems) Don't use hard registers for the hoisting.
2123 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
2124 calculation; rename const_equiv array in the preconditioning code
2125 from loop_unroll to loop_unroll_precondition
2127 2000-04-27 Richard Henderson <rth@cygnus.com>
2129 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
2131 (propagate_one_insn): Clear it. Don't update reg_live here.
2132 (init_propagate_block_info): Update for pbi member changes.
2133 (free_propagate_block_info): Likewise.
2134 (mark_set_1): Know that zero_extract, sign_extract, and
2135 strict_low_part don't kill their argument. Alter hard subregs.
2136 Update new_set for non-CLOBBER sets. Update reg_live.
2137 (find_auto_inc): Update reg_live, not new_dead.
2138 (mark_used_reg): Update reg_live, not new_live. Examine new_set
2139 to determine if the reg in question was set this insn. Only update
2140 reg info with PROP_REG_INFO.
2142 2000-04-26 Richard Henderson <rth@cygnus.com>
2144 * flow.c (allocate_reg_life_data): Set max_regno here ...
2145 (life_analysis): ... not here.
2147 * flow.c (calculate_global_regs_live): Force stack pointer
2150 2000-04-26 Richard Henderson <rth@cygnus.com>
2152 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
2153 commit change group changes.
2154 (invert_exp_1): Similarly.
2155 (redirect_exp, invert_exp): Use them.
2156 (redirect_jump_1): New.
2157 (invert_jump_1): New.
2158 (jump_optimize_1): Remove code subsumed by condexec.c.
2159 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
2161 2000-04-26 Richard Henderson <rth@cygnus.com>
2163 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
2165 * genconfig.c (main): Set all HAVE_foo to 1.
2167 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
2169 2000-04-26 Alex Samuel <samuel@codesourcery.com>
2171 * invoke.texi: Document -fssa flag.
2173 2000-04-26 Richard Henderson <rth@cygnus.com>
2175 * flow.c (count_reg_sets_1): Remove.
2176 (count_reg_sets, count_reg_references): Remove.
2177 (recompute_reg_usage): Implement with update_life_info.
2178 Reallocate life data.
2180 2000-04-26 Richard Henderson <rth@cygnus.com>
2182 * flow.c (update_life_info): Consider blocks null to mean the
2184 (calculate_global_regs_live): Likewise.
2185 (life_analysis): Do that instead of collecting all_blocks.
2187 2000-04-26 Richard Henderson <rth@cygnus.com>
2189 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
2190 a still-valid conditional jump.
2192 2000-04-26 Richard Henderson <rth@cygnus.com>
2194 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
2196 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
2197 * flow.c (calculate_loop_depth): Remove.
2198 * output.h (calculate_loop_depth): Don't declare.
2199 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
2200 inline; run estimate_probability at the same time.
2202 2000-04-26 Neil Booth <NeilB@earthling.net>
2204 * cpplib.h: "~=" is not a single pp-token.
2205 * cpplex.c: Correct commentary.
2207 2000-04-26 Richard Henderson <rth@cygnus.com>
2209 * flow.c (mark_set_1): New arguments code and flags; update all
2210 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
2211 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
2212 loop_depth when optimizing for size. Do new_dead update after
2213 emitting REG_UNUSED notes. Merge mark_set_reg code.
2214 (mark_set_reg): Remove.
2215 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
2216 arrange to not emit REG_UNUSED notes.
2218 2000-04-26 Richard Henderson <rth@cygnus.com>
2220 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
2221 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
2223 2000-04-26 Richard Henderson <rth@cygnus.com>
2225 * flow.c (propagate_one_insn): Break out from propagate_block.
2226 (init_propagate_block_info): Likewise.
2227 (free_propagate_block_info): Likewise.
2228 (propagate_block): Use them. Export.
2229 * basic-block.h: Declare them all.
2231 2000-04-26 Richard Henderson <rth@cygnus.com>
2233 * basic-block.h (life_analysis): Declare here ...
2234 * output.h: ... not here.
2235 * flow.c (life_analysis): Remove nregs parameter; replace
2236 remove_dead_code with flags. Remove ssa dead code check.
2237 Only init alias analysis if we'll use it.
2238 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
2239 * ssa.c (convert_to_ssa): Likewise.
2240 (convert_from_ssa): Likewise.
2241 * toplev.c (rest_of_compilation): Likewise.
2243 2000-04-26 Richard Henderson <rth@cygnus.com>
2245 * flow.c (flow_delete_block): Rename from delete_block. Export.
2246 * basic-block.h (flow_delete_block): Declare.
2248 2000-04-26 David S. Miller <davem@redhat.com>
2250 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
2251 taking a PATTERN of it.
2253 2000-04-26 <NeilB@earthling.net>
2255 * cpplex.c (spell_other, spell_char): Remove.
2257 (token_spelling, trigraph_map): Use unsigned chars.
2258 (_cpp_lex_line): Tidy up the switch statement.
2259 * cpplib.h: Implement spell_char with spell_string.
2262 2000-04-26 <RodneyBrown@pmsc.com>
2264 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
2265 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
2267 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2269 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
2270 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
2271 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
2272 dwarf2out_return_save, dwarf2out_return_reg,
2273 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
2274 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
2275 gen_compile_unit_die, dwarf2out_init): Constify a char*.
2277 * dwarf2out.h (dwarf2out_init): Likewise.
2279 * dwarfout.c (filename_entry, primary_filename, last_filename,
2280 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
2282 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
2283 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
2284 dwarf2out_return_reg): Likewise.
2286 2000-04-26 Andreas Jaeger <aj@suse.de>
2288 * extend.texi (Function Attributes): Fix description of pure
2291 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
2293 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
2294 before calling rest_of_compilation.
2296 2000-04-26 Andreas Jaeger <aj@suse.de>
2298 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
2301 2000-04-25 Richard Henderson <rth@cygnus.com>
2303 * cse.c (cse_insn): Emit barrier after unconditional jump.
2305 * calls.c (expand_call): Disable tail call generation once
2306 rtx_equal_function_value_matters is false.
2308 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
2311 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
2313 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
2315 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
2317 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
2318 is the primary DIE for a member function.
2319 (gen_decl_die): Call set_decl_origin_self here.
2320 * dwarfout.c (output_decl): And here.
2321 * integrate.c (output_inline_function): Not here.
2322 Don't clear DECL_INLINE until after calling rest_of_compilation.
2323 (set_decl_origin_self): No longer static.
2324 * tree.h: Add prototype.
2325 * toplev.c (note_deferral_of_defined_inline_function): Only write
2326 out abstract instance for actual inlines.
2328 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
2330 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
2331 EXTENDED_REGS only if TARGET_AM33.
2332 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
2333 SP_REGS to register allocation and reloading unless absolutely
2335 (movsi3): Remove special-case of adding non-constants to SP.
2337 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2339 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
2340 INCLUDES to search and does not provide any of its own. Also it
2341 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
2342 parameters. Also it does not call AC_DEFINE.
2343 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
2344 AC_DEFINE and provides for automatic entries for autoheader.
2345 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
2347 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
2348 so we can pass -I flags and include gansidecl.h/system.h in this
2351 * acconfig.h: Delete all NEED_DECLARATION_* entries.
2353 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2355 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
2356 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
2357 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
2359 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
2360 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
2361 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
2362 for these macros. Clean up spacing and linewraps.
2364 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
2366 * calls.c (expand_call): Use get_callee_fndecl.
2368 * print-tree.c (print_node): Print the chain of an _EXPR.
2370 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
2371 Jim Wilson <wilson@cygnus.com>
2372 Andrew Haley <aph@cygnus.com>
2374 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
2375 and gp save/restore problems.
2376 * config/ia64/crtend.asm: Add IA-64 unwind support.
2377 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
2378 in fr_pad_size calculation.
2379 (save_restore_insns): Move PR save area. Correct uses of
2380 RTX_FRAME_RELATED_P.
2381 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
2382 (ia64_expand_epilogue): Add eh_epilogue support.
2383 (ia64_function_prologue): Emit .prologue directive.
2384 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
2385 (ia64_override_options): Set init_machine_status and
2386 mark_machine_status.
2387 (rtx_needs_barrier): Handle bsp reads and writes.
2388 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
2389 New static variables.
2390 (process_set, process_for_unwind_directive): New functions.
2391 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
2392 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
2393 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
2395 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
2396 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
2397 (struct machine_function): Define.
2398 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
2400 2000-04-25 Bruce Korb <bkorb@gnu.org>
2402 * fixinc/Makefile.in: make the removal of old programs more
2404 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
2405 install-bin and install-sh
2407 2000-04-25 Nick Clifton <nickc@cygnus.com>
2409 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
2410 defined, define to return zero.
2411 (function_cannot_inline_p): If a function has any target
2412 specific attributes, then use the macro
2413 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
2414 whether it can be inlined. If it cannot, issue a suitable
2417 * tm.texi: Add a new node 'Inlining' to document the new macro
2418 FUNCTION_ATTRIBUTE_INLINABLE_P.
2420 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
2422 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
2425 2000-04-25 Neil Booth <NeilB@earthling.net>
2427 Restore previous patch, plus the following fixes:
2429 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
2430 flags, not CPP_OPEN_PAREN.
2431 * cpplex.c (expand_token_space, init_token_list,
2432 cpp_free_token_list): Put the dummy token at list->tokens[-1].
2433 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
2435 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2437 * config/i386/freebsd.h (INT_ASM_OP): Define.
2439 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
2441 * loop.c (strength_reduce): Fix typo in the last checkin.
2443 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2445 * stor-layout.c (finalize_record_size): Simplify to use existing
2447 (compute_record_mode): No longer static.
2448 * tree.h (compute_record_mode): New declaration.
2450 2000-04-25 Neil Booth <NeilB@earthling.net>
2452 * Revert my patch below until cause of build failures
2455 2000-04-25 Richard Henderson <rth@cygnus.com>
2457 * combine.c (combine_instructions): Add missing argument
2460 * toplev.c (rest_of_compilation): Delay sibcall optimization
2461 until after emit_eh_context.
2463 2000-04-24 Nick Clifton <nickc@redhat.com>
2465 * combine.c (combine_instructions): Do not try to combine a
2466 sequence of insns when the second insn has been replaced by a
2469 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
2471 * gcc.c (load_specs): New static function.
2472 (read_specs): Use it.
2474 * gcc.c (lookup_compiler): Make multiple passes for case
2475 insensitive filesystems.
2477 2000-04-24 Neil Booth <NeilB@earthling.net>
2479 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
2480 * cpphash.h (_cpp_check_directive): new.
2481 * cpplex.c (handle_newline, cpp_free_token_list,
2482 init_trigraph_map, trigraph_ok, trigraph_replace,
2483 backslash_start, skip_block_comment, skip_line_comment,
2484 skip_whitespace, parse_name, parse_number, parse_string,
2485 copy_comment, _cpp_lex_line, spell_char, spell_string,
2486 spell_comment, spell_name, spell_other, _cpp_lex_file,
2487 _cpp_output_list): new.
2488 (expand_name_space): take length argument.
2489 (init_token_list): add comment list initialisation.
2490 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
2491 instead of HSPACE_BEFORE.
2493 * cpplib.c (_cpp_check_directive): new
2494 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
2495 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
2496 (HSPACE_BEFORE): delete.
2497 (TTYPE_TABLE): rearrange.
2498 (struct cpp_toklist): update.
2500 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2502 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
2503 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
2504 argument form of AC_DEFINE.
2506 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
2507 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
2508 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
2509 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
2510 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
2512 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
2514 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2516 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
2517 deduced.h): Use -isystem, not -I, for including system headers.
2519 2000-04-24 Nick Clifton <nickc@cygnus.com>
2521 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
2522 the source register is the frame pointer or arg pointer.
2523 (addsi3_small_int): Disallow if source register is the frame
2524 pointer or arg pointer.
2526 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2528 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
2529 call to AC_MSG_RESULT.
2531 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2533 * invoke.texi: Correct grammatical errors, document
2534 -fno-gnu-keywords as identical to -fno-asm for C++.
2536 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2538 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
2539 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
2540 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
2541 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
2542 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
2544 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
2545 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
2546 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
2547 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
2550 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
2552 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
2553 (pop_alignment): Likewise.
2554 (handle_pragma_token): Likewise.
2556 2000-04-24 Robert Lipe <robertlipe@usa.net>
2558 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
2560 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
2562 * combine.c (try_combine): Update reg_nonzero_bits of
2563 newi2pat before newpat.
2565 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
2567 * loop.c (strength_reduce): Simplify test to INSN_P.
2568 (record_giv): Attempt to simplify the add value, use CONSTANT_P
2569 expressions instead of CONST_INT.
2570 (express_from_1): Likewise.
2572 2000-04-24 Mark Mitchell <mark@codesourcery.com>
2574 * regs.h (reg_n_max): Don't declare.
2575 * flow.c (reg_n_max): Don't define.
2576 * regclass.c (renumber): Don't initialize to zero.
2577 (regno_allocated): Likewise.
2578 (reg_n_max): Define.
2579 (allocate_reg_info): Don't initialize unnecessarily.
2581 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
2583 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
2584 and blockage_p in the newly allocated attribute.
2586 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
2588 * config/mn10300/mn10300.md (addsi): `inc4' on address
2589 registers does not modify cc, but `inc' on an extended
2592 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
2594 * reload.c (find_equiv_reg): Checks all valueno regs
2595 as a reload_reg_p regs.
2597 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
2599 * cpphash.c (collect_objlike_expansion): Add sanity check.
2600 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
2601 the buffer is the empty string, return. Mark __DATE__ and
2602 __TIME__ as XCONST nodes, not MCONST.
2603 (_cpp_macroexpand): Avoid pushing an empty buffer.
2604 (funlike_macroexpand): Don't pop token_buffer here.
2606 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
2608 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
2609 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
2610 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
2611 (REGNO_OK_FOR_BASE_P): Define in terms of them.
2612 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
2613 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
2614 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
2616 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
2618 * loop.c (simplify_giv_expr): Be more agressive on simplifying
2621 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
2623 * cpphash.h (struct definition): Move file, line, col members...
2624 (struct hashnode): ... here. Also add 'disabled' flag.
2625 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
2626 T_IDENTITY. Remove T_DISABLED.
2629 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
2630 (collect_expansion): Split into collect_objlike_expansion and
2631 collect_funlike_expansion.
2632 (_cpp_macroexpand): Split out scan_arguments, stringify, and
2633 funlike_macroexpand.
2634 (_cpp_compare_defs): Rename compare_defs, make static.
2635 (_cpp_make_hashnode): Initialize hp->disabled.
2636 (macro_cleanup): Adjust for new token types. Clear
2638 (_cpp_create_definition): Move code here to determine what
2639 sort of macro it is, and code to check for redefinitions, from
2640 do_define. Implement a few simple cases without creating a
2642 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
2643 Handle the simple cases.
2644 (push_macro_expansion): Set buf->has_escapes and hp->disabled
2647 * cppinit.c (builtin_array): Change MCONST to XCONST
2649 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
2650 fix check for disabled and function-like macros.
2651 * cpplib.c (do_define): Move most logic to
2652 _cpp_create_definition.
2653 (do_undef): Handle new special token types.
2655 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
2657 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
2658 of CONSTANT_P for mult_val; always use validate_change to update insn.
2660 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
2662 * cpphash.c (trad_stringify, add_pat): New functions.
2663 (collect_expansion): Restore support for -traditional syntax.
2664 Use trad_stringify and add_pat.
2665 (_cpp_macroexpand): Restore support for -traditional semantics.
2666 * cpplex.c (_cpp_scan_line): Don't change space_before if we
2667 get a COMMENT token.
2668 (_cpp_lex_token): Provide COMMENT tokens to caller if
2669 traditional and parsing_define_directive.
2670 (skip_comment): Warn about // comments if -Wtraditional.
2671 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
2673 (do_undef): Don't warn about undefining EMPTY nodes.
2675 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
2677 * loop.c (strength_reduce): Fix biv removal code.
2679 2000-04-22 Richard Henderson <rth@cygnus.com>
2681 * predict.c (estimate_probability): Examine both sides of
2682 a branch for no exits. Use 90% not 50% for predict taken.
2683 Reorg for one copy of note generation code.
2685 2000-04-22 Richard Henderson <rth@cygnus.com>
2687 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
2689 2000-04-22 Richard Henderson <rth@cygnus.com>
2691 * diagnostic.c (init_output_buffer): Don't initialize format_args.
2692 (output_clear): Likewise.
2693 (output_printf): Use va_copy.
2694 (vline_wrapper_message_with_location): Likewise.
2695 (v_message_with_decl): Likewise.
2696 (line_wrapper_printf): VA_START infor buffer.format_args directly.
2697 * system.h (va_copy): Provide default implementation.
2699 2000-04-22 Richard Henderson <rth@cygnus.com>
2701 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
2702 the collected condition is not a constant.
2704 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
2706 * diagnostic.h: New file.
2708 * Makefile.in (diagnostic.o): Depends on diagnostic.h
2710 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
2711 various function prototypes.
2712 (diagnostic.h): #include.
2713 (struct output_buffer): Move into diagnostic.h.
2714 (get_output_prefix): Rename to output_get_prefix. Export.
2715 (init_output_buffer): Export. Break out. Ajust intialization.
2716 (output_space_left, output_append): Export.
2717 (output_newline): Rename to output_add_newline. Export.
2718 (output_clear): Nullify additional output_buffer fields.
2719 (output_puts): Rename to output_add_string. Export.
2720 (dump_output): Rename to output_flush_on. Export.
2721 (build_location_prefix): Constify return-type.
2722 (emit_output_prefix): Rename to output_emit_prefix. Export.
2723 (set_real_maximum_length): New function.
2724 (output_set_maximum_length): Ditto
2725 (output_clear): Ditto.
2726 (output_add_character): Ditto.
2727 (output_add_integer): Ditto.
2728 (output_add_space): Ditto.
2729 (output_format): Ditto.
2730 (output_printf): Adjust buffer initialization.
2731 (vline_wrapper_message_with_location): Ditto.
2732 (v_message_with_decl): Ditto. Adjust call to output_puts
2733 and get_output_prefix.
2734 (default_print_error_function): Adjust buffer intialization.
2736 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2738 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
2741 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
2743 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
2746 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
2748 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
2749 accurate data about SP moves.
2751 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
2753 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
2754 aliases to AM33 registers.
2756 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
2758 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
2759 to all EXTENDED bitmaps.
2761 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
2763 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
2764 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
2765 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
2767 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
2769 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
2770 the operand is not constant.
2772 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
2774 * reload.c (find_equiv_reg): Checks all valueno and regno regs
2775 as a call-clobbered regs.
2777 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2779 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
2781 * rtl.def: Update comment.
2782 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
2783 * integrate.c (expand_inline_function): Likewise.
2784 * profile.c (branch_prob): Likewise.
2785 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
2786 * print-rtl.c (print_rtx): Likewise.
2787 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
2788 (reemit_notes): Likewise; also use enum insn_note.
2790 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
2791 (place_field): Properly compute know and actual alignment.
2793 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
2796 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
2799 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
2801 * cpphash.c (struct arg, struct arglist): Const-ify strings.
2802 (warn_trad_stringify, duplicate_arg_p): New helper functions.
2803 (collect_expansion): Rewrite to scan over a token list.
2804 Remove -traditional support.
2805 (collect_formal_parameters): Rename to collect_params; rewrite
2806 to scan over a token list.
2807 (_cpp_create_definition): Adjust to scan a token list.
2808 (_cpp_macroexpand): Remove -traditional support.
2809 (_cpp_compare_defs): Whitespace is now canonicalized.
2810 (comp_def_part): Delete function.
2812 * cpphash.h: Update prototypes.
2813 * cpplex.c (init_token_list): Don't set lineno if there is no
2815 (pedantic_whitespace): New function.
2816 (_cpp_scan_line): Mark tokens that had hspace before. Don't
2817 consume a newline. Use pedantic_whitespace.
2818 (_cpp_lex_token): Remove support for -traditional macros.
2819 (_cpp_get_define_token): Delete.
2820 (_cpp_get_directive_token): Do the real work here. Use
2821 pedantic_whitespace.
2822 (_cpp_init_input_buffer): Initialize pfile->directbuf.
2824 * cpplib.c (get_macro_name): Delete.
2825 (do_define): Read the entire line into pfile->directbuf, then
2826 feed the token list to _cpp_create_definition.
2827 * cpplib.h (HSPACE_BEFORE): new define.
2828 (struct cpp_reader): Add a toklist member, "directbuf".
2830 * predict.c (estimate_probability): New heuristic: if a jump
2831 branches around a block with no successors, predict it taken.
2832 Disentangle control flow.
2834 2000-04-20 Richard Henderson <rth@cygnus.com>
2836 * loop.c (emit_iv_add_mult): Revert last change.
2838 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
2840 * cpplib.h (enum cpp_ttype): Add token types for all
2841 punctuators. Distinguish pp-numbers from valid C numbers.
2842 Give some tokens better names. Initialize from macro.
2843 (struct cpp_name, cpp_token, cpp_toklist): New data
2846 * cpplex.c (bump_column, expand_name_space,
2847 expand_token_space, init_token_list, cpp_output_list,
2848 _cpp_scan_line): New functions.
2849 (output_line_command): Add third argument, new line number.
2850 * cpphash.h: Update prototypes.
2851 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
2854 2000-04-20 Richard Henderson <rth@cygnus.com>
2856 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
2858 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
2860 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
2863 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
2865 * loop.c (emit_iv_add_mult): Simplify it's input and emit
2866 REG_EQUAL note explaining the calculated value.
2868 * calls.c (expand_call): Avoid unnecesary precalculation
2869 and outgoing parameters space guarding for sibling calls.
2870 (store_one_arg): Likewise.
2872 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2874 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
2875 (rest_of_compilation): Write sibling dump file and account
2876 for time as jump time.
2877 * invoke.texi: Update documentation on dump flags.
2879 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
2881 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
2883 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
2885 * cpphash.c (special_symbol): Represent an empty macro with
2886 "\r \r " not just "\r ".
2887 (_cpp_macroexpand): Correct condition for the foo ( ) special
2889 (unsafe_chars): Handle EOF as second argument.
2890 (push_macro_expansion): Simplify test for removing escape at
2891 end. Do not trim both escapes if there is no text in between.
2893 2000-04-19 Jim Blandy <jimb@redhat.com>
2895 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
2896 of PTR_SIZE, when appropriate.
2898 2000-04-19 Mark Mitchell <mark@codesourcery.com>
2900 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
2901 (USE_ENUM_BITFIELDS): Fix typo.
2903 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2905 * stor-layout.c (place_field): Set rli->offset_align properly.
2907 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2909 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
2910 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
2911 PARM_BOUNDARY): Remove unnecessary casts.
2913 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
2915 * calls.c (precompute_arguments): Remove must_preallocate and
2917 (expand_call): Update call of precompute_arguments.
2919 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
2920 check_insn_for_givs): Break out from ...
2921 (strength_reduce) ... here; use for_every_insn_in_loop to call
2922 check_insn_for_givs.
2923 * loop.h (for_every_insn_in_loop): Declare.
2924 (loop_insn_callback): New type.
2926 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
2928 * cpplib.c (do_pragma_poison): Strings in the token buffer are
2931 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
2933 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
2936 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
2938 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
2940 * configure.in: Delete --disable-cpplib option and all
2941 references to cpp_main.
2942 * configure: Regenerate.
2943 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
2944 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
2945 cccp.o, cccp, or cppmain. Link cppmain.o straight to
2946 cpp$(exeext). Add --no-headers to makeinfo command line when
2947 generating INSTALL. Install and uninstall cpp.1 manpage, not
2949 * install.texi: Delete all references to cexp.y/cexp.c.
2950 Delete ancient instructions for compiling GCC on 3b1.
2951 * INSTALL: Regenerate.
2953 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
2954 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
2955 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
2957 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
2958 which is no longer tested anywhere.
2960 * cppinit.c (handle_option): Don't run error message through
2963 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2965 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
2966 * cpperror.c (hashtab.h): Now include.
2967 * cppexp.c (hashtab.h): Likewise.
2968 * cpplex.c (hashtab.h): Likewise.
2969 * cppfiles.c (hashtab.h): Likewise.
2970 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
2971 to htab_find_slot_with_hash.
2972 * cpphash.c (hashtab.h): Now include.
2973 (_cpp_lookup_slot): INSERT is now enum insert_option.
2974 * cpphash.h (_cpp_lookup_slot): Likewise.
2975 * cppinit.c (hashtab.h): Include earlier.
2976 (initialize_builtins): Pass enum to htab_find_slot.
2977 * cpplib.c (hashtab.h): Now include.
2978 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
2979 (do_pragma_poison, do_assert): Likewise.
2980 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
2981 htab_find_slot_with_hash.
2982 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
2983 * tree.c (type_hash_add): Likewise.
2984 (build1): Minor cleanup.
2986 * ggc-common.c: Add missing blanks.
2987 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
2988 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
2990 * stmt.c (mark_case_node): New function.
2991 (mark_case_nesting): Call it.
2993 * expmed.c (emit_store_flag): If comparing two-word integer
2994 with zero, can optimize NE, EQ, GE, and LT.
2996 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
2997 * conflict.c: Minor cleanups.
2998 * optabs.c: Add blank line
2999 * simplify-rtx.c: Minor cleanups.
3001 2000-04-18 Stan Cox <scox@cygnus.com>
3003 * gengenrtl.c (genlegend): Fix misspelling.
3005 2000-04-18 Robert Lipe <robertlipe@usa.net>
3007 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
3008 bitfields of the host compiler are not signed quantities.
3009 * config.in: Regenerate.
3010 * configure: Regenerate.
3011 * system.h (USE_ENUM_BITFIELDS): Added.
3012 (ENUM_BITFIELDS): Added.
3013 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
3014 (SHORT_ENUM_BUG): Deleted.
3015 * tree.h (tree_common): Members `code', `mode', `built_in_class',
3017 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
3018 (CODE_FIELD_BUG): Likewise.
3019 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
3021 * config/m68k/x-ccur (X_CFLAGS): Likewise.
3023 2000-04-18 Mark Mitchell <mark@codesourcery.com>
3025 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
3028 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
3030 * cppexp.c (lex): Don't assume tokens are NUL terminated.
3031 * cpplib.c (do_include, do_import, do_include_next,
3032 read_line_number, detect_if_not_defined): Likewise.
3033 * cpphash.c (collect_expansion): Likewise.
3034 (special_symbol, _cpp_macroexpand): Check return from
3036 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
3037 macros. Delete all uses.
3039 * gcc.dg/cpp-mi.c: Add two more test cases.
3040 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
3042 2000-04-17 Richard Henderson <rth@cygnus.com>
3044 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
3045 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
3047 2000-04-17 Mark Mitchell <mark@codesourcery.com>
3049 * function.c (expand_function_start): Use hard_function_value to
3050 compute the RTL to use for DECL_RESULT.
3052 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3054 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
3055 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
3056 x86_memory_mismatch_stall): New global variables.
3057 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
3058 alloved; fix load penalties for Athlon.
3059 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
3060 x86_memory_mismatch_stall): Declare.
3061 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
3062 TARGET_MEMORY_MISMATCH_STALL): New.
3063 * i386.md (athlon scheduling parameters): Fix latencies according to
3064 Athlon Optimization Manual.
3065 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
3067 (fsqrt instruction patterns): Set athlon_decode to direct.
3068 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
3069 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
3070 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
3071 and TARGET_PARTIAL_REGISTER_STALL machines.
3072 (pushdf_nointeger): New pattern.
3073 (pushdf_integer): Rename from pushdf.
3074 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
3075 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
3077 2000-04-17 Richard Henderson <rth@cygnus.com>
3079 * loop.c (canonicalize_condition): Add WANT_REG argument.
3080 Stop the search if we match it.
3081 * expr.h (canonicalize_condition): Update decl.
3082 * predict.c (expected_value_to_br_prob): Use it. Track last
3083 expected value note.
3084 (find_expected_value): Remove.
3086 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
3088 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
3090 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
3091 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
3093 * configure.in: Call AC_FUNC_MMAP_FILE.
3094 * configure: Regenerate.
3095 * config.in: Regenerate.
3097 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
3098 * fixinc/fixincl.c: Likewise.
3100 2000-04-17 Richard Henderson <rth@cygnus.com>
3102 * builtins.c (expand_builtin_expect): New.
3103 (expand_builtin): Call it.
3104 * builtins.def (BUILT_IN_EXPECT): New.
3105 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
3106 * extend.texi: Document it.
3108 * predict.c (expected_value_to_br_prob): New.
3109 (find_expected_value): New.
3110 * basic-block.h (expected_value_to_br_prob): Declare.
3111 * toplev.c (rest_of_compilation): Invoke it.
3113 * rtl.h (NOTE_EXPECTED_VALUE): New.
3114 (NOTE_INSN_EXPECTED_VALUE): New.
3115 * rtl.c (note_insn_name): Update.
3116 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
3117 cases; handle NOTE_INSN_EXPECTED_VALUE.
3119 2000-04-17 Jakub Jelinek <jakub@redhat.com>
3121 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
3122 leaf sibcall delay slot if flag_pic.
3123 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
3125 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3127 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
3129 * fixproto: If fix-header fails, exit with an error.
3131 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3133 * cse.c (struct check_depdendence_data): New.
3134 (check_dependence): New function.
3135 (invalidate): Use check_depdenence.
3137 2000-04-16 Mark Mitchell <mark@codesourcery.com>
3139 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
3140 UNITS_PER_WORD is unsigned.
3142 * tree.h (struct tree_common): Remove misleading comment.
3144 2000-04-16 Dave Pitts <dpitts@cozx.com>
3146 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
3147 message in quotes. Otherwise, IBM's make program treats the '#' as the
3148 start of a comment and ignores the remainder of the line.
3150 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
3152 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
3153 * cexp.y (initialize_random_junk): Likewise.
3154 * cppfiles.c (find_include_file): Cast alloca return value.
3155 * cppinit.c (initialize_standard_includes): Likewise.
3156 * cpplib.c (cpp_define, cpp_undef): Likewise.
3157 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
3158 * final.c (output_asm_insn): Allow for holes in EBCDIC.
3159 * fold-const.c (CHARMASK): New.
3160 (real_hex_to_f): Use it.
3161 * real.c (CHARMASK): New.
3162 (etoasc, asctoeg): Use it.
3163 (asctoeg): EBCDIC lower case characters preceed upper case.
3165 * i370.c (mvs_add_label): Change spacing for coding conventions.
3166 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
3167 outputing case vectors.
3168 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
3169 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
3170 since vector in in the data CSECT.
3171 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
3172 * i370.md (Many patterns): Put the length in the XL directives.
3173 (movdi): Put back STM and MVC in definition.
3174 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
3175 pattern using the TCA.
3176 * oe.h (CPP_SPEC): Added to allow trigraphs.
3177 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
3178 not support the "long long" type.
3180 2000-04-16 Mark Mitchell <mark@codesourcery.com>
3182 * config/mips/mips-protos.h (mips_legitimate_address_p): New
3184 (mips_reg_mode_ok_for_base_p): Likewise.
3185 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
3186 (REG_OK_FOR_INDEX_P): Define unconditionally.
3187 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
3188 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
3189 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
3190 that GET_MODE_SIZE is unsigned.
3191 (mips_reg_mode_ok_for_base_p): Define.
3192 (mips_legitimate_address_p): Likewise. Adjust now
3193 that GET_MODE_SIZE is unsigned.
3194 (block_move_loop): Make the number of bytes unsigned.
3195 (expand_block_move): Likewise.
3196 (function_arg): Make the loop counter unsigned to match the
3199 2000-04-16 Richard Henderson <rth@cygnus.com>
3201 * rtl.h (enum insn_note): New enumeration. Subsume
3202 NOTE_INSN_DELETED and friends.
3203 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
3204 * rtl.c (note_insn_name): Tweak string order.
3206 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
3208 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
3211 * cpplex.c (output_line_command): Remove debugging prints.
3212 (cpp_output_tokens): Don't write out a zero-length buffer or
3213 try to see if it has a newline in it.
3214 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
3215 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
3216 the end of the loop. Use memmove. Don't read past the end of
3217 the buffer. Remove trailing newlines from error messages.
3219 2004-04-16 Neil Booth <NeilB@earthling.net>
3221 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
3222 * cpplib.c: Add new syntax flags to directive table, and
3225 2000-04-15 Ulrich Drepper <drepper@redhat.com>
3227 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
3230 2000-04-15 David Edelsohn <edelsohn@gnu.org>
3232 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
3233 * haifa-sched.c: Update -fsched-verbose comments to use "=".
3235 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3237 * Makefile.in (ggc-page.o): Now includes toplev.h.
3238 * ggc-page.c (toplev.h): Now included.
3239 (gc_time): Remove declaration.
3240 (ggc_collect): TIME now long.
3241 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
3243 * toplev.h (gc_time, parse_time, gc_time): New declarations.
3245 * toplev.c: Make *_time variable long to reduce chance of overflow.
3246 (TIMEVAR): Likewise for `otime'.
3247 (print_time): Arg is now long; compute percentage in FP and round.
3248 * toplev.h (print_time): Arg is long.
3250 * tree.c: Minor whitespace changes.
3252 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
3253 * configure: Rebuilt.
3254 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
3255 (__fixunsxfDI): Renamed from __fixunsxfdi.
3256 (__fixunsdfDI): Renamed from __fixunsdfdi.
3257 (__fixunssfDI): Renamed from __fixunssfdi.
3258 (__floatdisf): Use proper type in REP_BIT macro.
3259 (__fixunsxfSI): Renamed from __fixunsxfsi.
3260 (__fixunsdfSI): Renamed from __fixunsdfsi.
3261 (__fixunssfSI): Renamed from __fixunssfsi.
3262 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
3263 Change location of macros and upper-case some names as above.
3264 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
3265 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
3267 * varasm.c (assemble_variable): Add cast to remove warning.
3268 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
3270 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
3271 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
3272 region number to -1.
3274 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
3276 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
3277 call unshare_all_rtl.
3279 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
3281 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
3283 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
3284 Use .s1 not .s0 for all FP instructions.
3286 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
3288 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
3290 (safe_fwrite, output_line_command): New static functions.
3291 (cpp_expand_to_buffer): Now private to cpplib.
3292 (cpp_scan_buffer): Take a printer.
3294 * cpphash.h: Update prototypes.
3295 * cpplib.h: Update prototypes.
3297 (cpp_buffer): Remove last_nominal_fname.
3298 (cpp_reader): Remove lineno.
3300 * cppmain.c: Use a cpp_printer.
3301 * fix-header.c: No need to inhibit line commands. Call
3302 cpp_start_read with no printer.
3304 * cpperror.c (cpp_notice_from_errno): Provide default name.
3305 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
3306 (find_include_file, cpp_read_file): Use make_IHASH.
3307 (file_cleanup): Set control_macro and clear
3308 input_stack_listing_current here.
3309 (_cpp_execute_include): Don't output entering-file marker.
3310 * cpphash.c (special_symbol): Look for the line number in the
3311 buffer, not the reader.
3312 (_cpp_macroexpand): No need to disable line commands.
3313 (_cpp_dump_definition): No need to generate line commands.
3314 (dump_hash_helper): Remove excess newline from output.
3315 * cppinit.c (dump_special_to_buffer): No need to generate line
3317 (cpp_printer_init): New.
3318 (cpp_start_read): Take a printer, and start it up if it's not
3319 NULL. No need to generate line commands.
3320 (cpp_finish): Expect no buffers stacked at all. Take a
3321 printer argument, and flush the output buffer if it's not
3323 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
3324 Don't put two hashes at the beginning of an assertion.
3325 (cpp_get_token): Don't increment pfile->lineno or emit line
3326 commands here. Return EOF if there's no buffer when we get
3328 * cpplib.c (do_define, skip_if_group):
3329 No need to disable line commands.
3330 (_cpp_output_line_command): Delete function.
3331 (do_line): Don't emit line commands here, but set things up so
3332 they will be emitted if necessary. Use _cpp_fake_ihash to
3333 make unique nominal_fnames if necessary.
3334 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
3335 with 0 for column, not -1.
3336 (_cpp_handle_eof): Don't set the control macro here. Don't
3337 clear input_stack_listing_current here. Don't emit line
3340 2000-04-14 Geoff Keating <geoffk@cygnus.com>
3342 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
3343 always, use the default SVR4 start address.
3345 * config/rs6000/linux.h (LINK_SPEC): Don't define.
3346 (LINK_SHLIB_SPEC): Define.
3347 (LINK_START_DEFAULT_SPEC): Define.
3348 (LINK_OS_DEFAULT_SPEC): Define.
3350 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
3352 * config/rs6000/eabi.asm (__eabi): Call __init rather than
3353 __do_global_ctors to handle constructors.
3354 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
3355 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
3356 (STARTFILE_MVME_SPEC): Likewise.
3357 (STARTFILE_SIM_SPEC): Likewise.
3358 (ENDFILE_ADS_SPEC): Use crtend.
3359 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
3360 (ENDFILE_MVME_SPEC): Likewise.
3361 (ENDFILE_SIM_SPEC): Likewise.
3362 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
3363 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
3364 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
3365 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
3366 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
3367 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
3368 (CRTSTUFF_T_CFLAGS_S): Define.
3369 * config/rs6000/eabi-ctors.c: Delete.
3371 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
3374 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
3378 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
3380 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
3381 plus mask size is smaller or equal to the mode size.
3383 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3385 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
3388 * expr.c (reload.h): Now included.
3389 (emit_block_move): Set volatile_ok when checking for movstr.
3390 (emit_move_1): Check for replacements in addresses in multi-word case.
3391 * Makefile.in (expr.o): Now includes reload.h.
3393 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
3394 Never have a LIBCALL end a basic block.
3395 (find_basic_blocks_1): Likewise.
3396 Reorganize CALL_INSN cases.
3398 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
3400 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
3402 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
3403 completers from mov.ret instruction.
3405 2000-04-14 Richard Henderson <rth@cygnus.com>
3407 * fold-const.c (extract_muldiv): Don't distribute and widen
3408 multiply across plus for non-sizetype unsigned types.
3410 2000-04-14 Richard Henderson <rth@cygnus.com>
3412 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
3413 If the original source is dead in the incr insn, it's dead now.
3415 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3417 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
3418 see if DECL_BIT_FIELD needs to still be set.
3420 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
3422 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
3423 print_int_cst_octal with something that's not an INTEGER_CST.
3425 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
3426 and not a SUBREG to a FLOAT rtl.
3428 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
3430 * emit-rtl.c (try_split): Avoid infinite loop if the split
3431 results in a sequence that contains the original insn.
3433 2000-04-13 Andreas Jaeger <aj@suse.de>
3435 * config/mips/mips.c (expand_block_move): Pass alignment
3436 argument to move_by_pieces in bits, not bytes.
3438 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
3439 __pic__ for little endian.
3441 2000-04-13 Andreas Jaeger <aj@suse.de>
3443 * config/i386/i386-protos.h: Add prototype for
3444 uno_comparison_operator.
3446 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
3448 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
3449 * calls.c (ECF_PURE): New flag.
3450 (emit_call_1): Handle ECF_PURE calls.
3451 (initialize_argument_information): Unset ECF_PURE flag too.
3452 (precompute_arguments): Precompute for ECF_PURE too.
3453 (expand_call): Handle ECF_PURE calls too.
3454 (emit_library_call_value_1): Rename no_queue argument to fn_type,
3455 accept value of 2 as pure function.
3456 (emit_library_call_value, emit_library_call): Rename no_queue argument
3458 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
3460 * tree.h (DECL_IS_PURE): New macro.
3461 (struct tree_decl): Add pure_flag.
3462 * c-common.c (enum attrs): Add attribute "pure".
3463 (init_attributes): Initialize attribute "pure"
3464 (decl_attributes): Handle attribute "pure".
3465 * extend.texi (Attribute "pure"): Document.
3466 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
3468 (flags_from_decl_or_type): Support attribute "pure".
3470 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
3472 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
3473 the token except for numbers and identifiers.
3475 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
3477 * i386.c (ix86_expand_binary_operator,
3478 ix86_expand_unary_operator): Check no_new_pseudos
3479 instead of reload_in_progress and reload_completed.
3480 (ix86_split_ashldi, ix86_split_ashrdi,
3481 ix86_split_lshrdi): Check no_new_pseudos instead
3482 of reload_completed.
3484 2000-04-12 Jeffrey A Law (law@cygnus.com)
3486 * function.c (purge_addressof): Unshare any shared rtl created by
3487 purge_addressof and its children.
3489 2000-04-12 Mark Mitchell <mark@codesourcery.com>
3491 * function.c (aggregate_value_p): VOID_TYPE nodes are never
3494 2000-04-05 Andreas Jaeger <aj@suse.de>
3496 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
3497 not compiling PIC code, add flags for mabi=64.
3498 (SUBTARGET_CPP_SIZE_SPEC): New.
3499 (SUBTARGET_CPP_SPEC): New.
3500 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
3501 for MIPS/Linux and lots of code needs these defines.
3503 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
3505 * reorg.c (fill_slots_from_thread): Check side_effects_p when
3506 trying the "opposite arithmetic" approach.
3508 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3510 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
3511 (struct sh_args): Add new field force_mem.
3512 (INIT_CUMULATIVE_ARGS): Initialize it.
3513 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
3515 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
3517 * calls.c (expand_call): Do not reverse args in "equal from" field.
3518 (emit_library_call_value_1): Emit_libcall_block for const and pure
3521 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3523 * reload1.c (reload_combine): Don't enable optimization for fixed
3524 registers when encountering a BARRIER.
3526 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
3528 * builtins.c (expand_builtin_memcmp): Do expansion even with
3529 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
3531 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
3532 stack is propertly aligned; add sanity checking for aligned
3534 (expand_library_call_value_1): Add sanity checking for aligned
3537 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
3539 * calls.c (emit_library_call_value_1): Change 3rd arg to
3540 locate_and_pad_parm to disregard the setting of partial.
3542 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3544 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
3546 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
3547 CALL_INSN from the normal case.
3549 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
3551 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
3552 New global variables.
3553 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
3555 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
3557 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
3558 TARGET_ADD_ESP_8): New macros.
3559 * i386.md: Add peep2s to convert esp adjustments to push and pop
3561 (pushsi_prologue, popsi_epilogue): New patterns.
3563 2000-04-12 Jakub Jelinek <jakub@redhat.com>
3565 * real.c (toe64): Remove stale #endif from the last change.
3567 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
3569 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
3570 * real.c (toe64): Revert previous change.
3572 2000-04-12 Jakub Jelinek <jakub@redhat.com>
3574 * objc/objc-act.c: Include ggc.h.
3575 (objc_tree_index, objc_global_trees): Convert most of the
3576 static tree variables into a static array with previous names
3578 (objc_ellipsis_node): New variable.
3579 (lang_init): Call objc_act_parse_init and c_parse_init.
3580 Create objc_ellipsis_node.
3581 (build_selector_translation_table): Use objc_ellipsis_node instead
3583 (hack_method_prototype): Likewise.
3584 (get_arg_type_list): Likewise.
3585 (start_method_def): Likewise.
3586 (continue_method_def): Likewise.
3587 (gen_method_decl): Likewise.
3588 (ggc_mark_imp_list): New function.
3589 (ggc_mark_hash_table): New function.
3590 (objc_act_parse_init): New function.
3591 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
3592 * c-parse.in (c_parse_init): For objc add roots of objc specific
3593 local tree variables.
3594 * objc/objc-parse.y: Rebuilt.
3595 * objc/objc-parse.c: Rebuilt.
3596 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
3598 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
3600 * cse.c (delete_trivially_dead_insns): Also delete insns
3601 that copy a register to itself where the destination is
3604 2000-04-11 Richard Henderson <rth@cygnus.com>
3606 * flow.c (struct propagate_block_info): Add new_dead, new_live.
3607 (propagate_block): Initialize them. Use them in parallel instead
3608 of one tmp variable, ie revert much of the 0408 and 0407 functional
3609 changes, but keep the structural changes.
3610 (mark_set_regs): Take new_dead from propagate_block_info instead.
3611 (mark_set_1, mark_set_reg): Likewise.
3612 (mark_used_regs): Likewise with new_live.
3613 (mark_used_reg): Likewise. Revert 0408 change.
3615 2000-04-11 Nick Clifton <nickc@cygnus.com>
3617 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
3619 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
3621 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3623 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
3624 const section to output a CONSTRUCTOR based on the same conditions
3627 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
3629 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
3630 * pa/pa-protos.h (output_call): Add additional argument indicating
3631 if the call is a sibling/tail call.
3632 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
3633 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
3634 (function_arg, function_arg_partial_nregs): Likewise
3635 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
3636 (emit_move_sequence): Zero extend certain constants as needed
3638 (compute_zdepdi_operands, output_64bit_and): New functions.
3639 (output_64bit_ior, function_arg): Likewise.
3640 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
3641 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
3642 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
3643 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
3644 (output_bvb): Likewise.
3645 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
3646 (output_call): New argument 'sibcall'. Generate sibcall sequences
3648 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
3649 (ouput_arg_descriptor): Do not emit argument descriptors for
3651 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
3653 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
3654 (FUNCTION_OK_FOR_SIBALL): Define.
3655 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
3656 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
3657 (CPP_SPEC): Use new spec infrastructure.
3658 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
3659 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
3660 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
3661 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
3662 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
3663 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
3664 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
3665 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
3666 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
3667 (FUNCTION_ARG); Call out to C code.
3668 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
3669 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
3670 (MIN_UNITS_PER_WORD): Likewise.
3671 * pa/pa.md (cmpdi): New expander.
3672 (scc patterns, movstrsi): Not available for TARGET_64BIT.
3673 (64bit conditional arithmetic): New patterns.
3674 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
3675 (movsicc): Not available if modes on all the operands to not match.
3676 (movdicc): New expander and associated patterns.
3677 (64bit branches): New patterns.
3678 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
3679 (pre_ldd, post_std): New patterns.
3680 (64bit addil, load low part): New patterns.
3681 (special movsf constant): Not available for TARGET_64BIT.
3682 (movsf, movdf expanders): Force constants into memory.
3683 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
3684 (64bit movdf/movdi patterns): New patterns.
3685 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
3687 (extendqidi2, extendhidi2, extendsidi2): Similarly.
3688 (adddi3 expander): Allow "arith_operand" for second input.
3689 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
3690 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
3691 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
3692 (muldi3): New expander for TARGET_64BIT.
3693 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
3695 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
3696 patterns for TARGET_64BIT.
3697 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
3698 patterns for TARGET_64BIT.
3699 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
3700 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
3701 (sibcall_epilogue): New expander.
3702 (casesi): Tweak for TARGET_64BIT.
3703 (call expanders): Set & use the outgoing argument pointer. Use the
3704 64bit call patterns as needed. Add additional arg to output_call.
3705 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
3706 (sibcall, sibcall_internal_symref): New expanders.
3707 (sibcall_value, sibcall_value_internal_symref
3708 (interspace_jump): Turn into an expander + matching patterns.
3709 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
3710 * pa/pa64-regs.h: Eliminate trigraph sequences.
3711 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
3713 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
3715 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
3716 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
3717 cpp_token with cpp_ttype everywhere.
3718 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
3719 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
3720 CPP_BUF_COL. Line and column numbers are unsigned int, not
3722 * cpplex.c (cpp_buf_line_and_col): Delete.
3723 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
3724 'long lineno' to 'unsigned int lineno'.
3725 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
3727 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3729 * extend.texi: ISO C99 is not a draft anymore.
3730 * invoke.texi: ISO C++ is not a draft anymore.
3731 * cpp.texi: __cplusplus is required by the ISO standard.
3733 * extend.texi (-fthis-is-variable): Undocument.
3734 * flags.h (warn_template_debugging): Remove declaration.
3735 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
3736 -Wenum-clash, -Wtemplate-debugging): Undocument.
3738 2000-04-10 Nick Clifton <nickc@cygnus.com>
3740 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
3742 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
3744 (ARM_SIGN_EXTEND): Use HOST_UINT.
3745 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
3746 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
3747 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
3748 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
3750 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
3751 (arm_gen_constant): Use HOST_UINT.
3752 (arm_canonicalize_constant): Use HOST_UINT.
3753 (arm_reload_in_hi): Use HOST_UINT.
3754 (arm_reload_out_hi): Use HOST_UINT.
3755 (output_multi_immediate): Use HOST_UINT.
3756 (int_log2): Use HOST_UINT.
3757 (arm_poke_function_name): Use HOST_UINT.
3758 (arm_output_epilogue): Use arm_volatile_func().
3759 (output_thumb_prologue): Use arm_strip_name_encoding().
3761 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3763 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
3764 of sequence point problems.
3766 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
3768 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
3770 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
3772 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3774 * sbitmap.h: Whitespace changes and use upper-case macro args.
3775 (struct simple_bitmap_def): All sizes now unsigned.
3776 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
3777 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
3778 (sbitmap_vector_alloc): Parms and local vars now unsigned.
3779 (sbitmap_zero): Cast bzero arg to PTR.
3780 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
3781 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
3782 loop to make structure clearer.
3783 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
3784 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
3785 (sbitmap_a_and_b_or_c): Likewise.
3786 (sbitmap_intersection_of_succs): Minor cleanups.
3787 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
3788 (sbitmap_union_of_preds): Likewise.
3789 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
3790 (debug_sbitmap): New function.
3792 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
3793 * c-typeck.c (convert_for_assignment): Likewise.
3795 * expmed.c (init_expmed): Don't free objects we make.
3796 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
3798 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
3799 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
3801 * gcse.c (expr_hash_table_size): Now unsigned.
3802 (compute_ae_gen): Local variable `i' now unsigned.
3803 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
3804 (compute_transout, hoist_code): Likewise.
3805 (compute_local_properties): Likewise, also hash_table_size.
3806 (alloc_expr_hash_table): N_INSNS now unsigned.
3807 (delete_null_pointer_checks): Mark arg F as unused.
3809 * regrename.c: Minor cleanups, including chang some variables
3812 2000-04-10 Neil Booth <NeilB@earthling.net>
3814 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
3816 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
3818 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3820 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
3821 __classof__, and __headof__ from the list of gnu keywords.
3822 (-ansi): Remove -foperator-names from list of implied options.
3823 Do not call it ANSI C++.
3824 (-foperator-names): Document as -fno-operator-names.
3826 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
3828 * cpphash.c (timestamp): Delete.
3829 (del_HASHNODE): If type is T_MCONST, free value.cpval.
3830 (special_symbol): Remove unnecessary braces. Remove
3831 T_VERSION. Treat T_STDC like T_CONST unless
3832 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
3833 when one is encountered, then convert them into T_MCONST
3835 * cppinit.c (builtin_array): version_string is T_MCONST.
3836 __STDC__ has a "1" in its cpval. Don't have a terminator
3837 entry. Clean up which entries are dumped.
3838 (initialize_builtins): Only __STDC__ gets the special
3839 -traditional treatment. Count the length of builtin_array.
3840 Render version_string here.
3841 * cpphash.h: Remove T_VERSION. Add T_MCONST.
3842 * cpplib.h (struct cpp_reader): Remove timebuf.
3844 2000-04-09 Richard Henderson <rth@cygnus.com>
3846 * genrecog.c (pred): Update comparison_operator for the unordered
3849 * config/i386/i386.c (no_comparison_operator): Disallow unordered
3851 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
3852 (uno_comparison_operator): New.
3853 (put_condition_code): Handle UNORDERED/ORDERED.
3854 (unsigned_comparison): Likewise.
3855 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
3856 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
3857 (ix86_expand_fp_compare): Use them. Take scratch as argument,
3858 update all callers. Handle all 8 unordered operators.
3859 (ix86_expand_setcc): Lose the unordered argument, update all callers.
3860 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
3861 * config/i386/i386.h (PREDICATE_CODES): Update.
3862 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
3863 (ix86_expand_branch, ix86_expand_setcc): Update.
3864 * config/i386/i386.md (sunordered, sordered): New.
3865 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
3866 (bunordered, bordered): New.
3867 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
3868 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
3869 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
3871 2000-04-09 Philip Blundell <philb@gnu.org>
3873 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
3875 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
3877 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
3878 fix_truncxfhi2): New patterns.
3879 * i386.c (output_fix_trunc): Handle converting to HImode.
3881 2000-04-08 Alex Samuel <samuel@codesourcery.com>
3883 * ssa.c (convert_to_ssa): Eliminate dead code when calling
3885 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
3886 (for_each_successor_phi): Change parameter to basic_block.
3887 (coalesce_regs_in_successor_phi_nodes): Likewise.
3888 (coalesce_regs_in_copies): Likewise.
3889 (compute_coalesced_reg_partition): Use basic_block instead of index.
3890 * rtl.h (convert_to_ssa): Delete.
3891 (convert_from_ssa): Likewise.
3892 (successor_phi_fn): Likewise.
3893 (for_each_successor_phi): Likewise.
3894 (in_ssa_form): Likewise.
3895 * basic-block.h (convert_to_ssa): Moved from rtl.h.
3896 (convert_from_ssa): Likewise.
3897 (successor_phi_fn): Likewise.
3898 (in_ssa_form): Likewise.
3899 (for_each_successor_phi): Likewise. Change parameter to basic_block.
3900 * flow.c (calculate_global_regs_live): Pass a basic_block to
3901 for_each_successor_phi.
3903 2000-04-08 Richard Henderson <rth@cygnus.com>
3905 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
3906 was modified in the current insn.
3908 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
3910 * arm/thumb.md: Delete.
3911 * arm/thumb-protos.h: Delete.
3913 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
3915 Merge changes from merged-arm-thumb-backend-branch onto trunk.
3917 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
3919 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
3922 * arm.md (nop): Use the standard RTL expression. Don't code as a
3924 (*arm_nop, *thumb_nop): Delete.
3926 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
3927 constants. Use casts instead.
3928 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
3929 output_multi_immediate, arm_poke_function_name): Likewise.
3930 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
3931 MASK_RETURN_ADDDR): Likewise.
3933 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
3935 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
3938 * arm.md (eh_epilogue): New function.
3939 * arm.h (struct machine_function): Move to here ...
3940 * arm.c: ... from here.
3941 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
3942 (thumb_exit): Extra parameter eh_ofs. All callers changed.
3943 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
3945 2000-03-30 Nick Clifton <nickc@cygnus.com>
3947 * config/arm/semi.h (ASM_SPEC): Restore definition.
3948 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
3950 * config/arm/elf.h (ASM_SPEC): Restore definition.
3951 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
3953 * config/arm/arm.h (ASM_SPEC): Remove definition.
3954 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
3956 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3958 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
3960 2000-03-24 Nick Clifton <nickc@cygnus.com>
3962 Various formating tidyups, elimination of compile time
3963 warnings and synchronisation with internal sources:
3965 * config/arm/arm-protos.h (assemble_align): Add prototype.
3966 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
3967 (gen_comapre_reg): Rename to arm_gen_compare_reg.
3968 (arm_return_addr_rtx): Rename to arm_return_addr.
3970 * config/arm/arm.c: Include except.h.
3971 Define shorter typenames for strict minipool_node and struct
3973 (arm_return_in_memory): For WinCE return all structures <= 32 bits
3975 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
3976 (gen_comapre_reg): Rename to arm_gen_compare_reg.
3978 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3980 (ASM_SPEC): Define if not already defined.
3981 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
3983 * config/arm/arm.md: Rename references to gen_rotated_half_load to
3984 arm_gen_rotated_half_load, and references to gen_comapre_reg to
3985 arm_gen_compare_reg.
3986 (indirect_jump): Only accept register operands.
3987 (load_indirect_jump): Keep this pattern since combine can generate
3990 * config/arm/coff.h: Include aout.h.
3991 (MULTILIB_DEFAULTS): Only define if not already defined.
3993 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
3994 into arm.h (so that COFF ports can support thumb based aliases).
3995 (ASM_SPEC): Move definition into arm.h
3997 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
3998 redundant apcs spec.
3999 (ASM_SPEC): Move definition to arm.h
4001 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
4003 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
4004 for entries in the .bss section
4006 2000-03-23 Nick Clifton <nickc@cygnus.com>
4008 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
4009 to thumb_far_jump_used_p.
4011 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
4012 single integer parameter.
4014 * config/arm/arm.c (struct machine_function): Add two new
4015 fields, 'far_jump_used' and 'arg_pointer_live'.
4016 (thumb_far_jump_used_p): Once the decision has been made that
4017 far jumps might be used, always return true.
4018 If being called from the initial elimination offset macro then
4019 do not bother to perform the test if the arg pointer is not
4021 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
4022 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
4024 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
4026 * arm.c (output_return_instruction): Handle more cases where we can
4027 return from a function with an ldr instruction.
4028 (arm_output_epilogue): Likewise.
4030 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
4031 if we need to push a large stack frame and there are no callee-saved
4034 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
4035 in ARM code if the frame pointer has been eliminated.
4037 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
4038 unspec_volatile arguments to avoid duplicates.
4039 (consttable_1, consttable_2): Fixes for big-endian mode.
4041 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
4044 Re-write constant pool code.
4045 * arm.c (minipool_node, minipool_fix): New types.
4046 (minifix): Delete type.
4047 (arm_add_minipool_constant): Delete.
4048 (arm_compute_minipool_offsets, arm_find_barrier,
4049 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
4050 (get_jump_table_size): Now returns HOST_WIDE_INT.
4051 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
4053 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
4054 (assign_minipool_offsets, arm_print_value): Likewise.
4055 (dump_minipool): Rewrite.
4056 (arm_barrier_cost): New function.
4057 (create_fix_barrier): New function.
4058 (push_minipool_barrier): New function.
4059 (push_minipool_fix): Record additional information about the fixup
4061 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
4062 check the mode of what needs fixing.
4063 (arm_reorg): Rewrite.
4065 2000-03-08 Nick Clifton <nickc@cygnus.com>
4067 * config/arm/arm.md (indirect_jump): Force constant addresses into
4070 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
4072 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
4074 2000-02-24 Nick Clifton <nickc@cygnus.com>
4076 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
4077 adjust is word aligned.
4078 (thumb_expand_epilogue): Make sure that stack adjust is word
4081 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
4083 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
4085 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
4086 pointer relative addresses.
4088 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
4090 * arm.c (find_barrier): Find the last barrier within the allowed
4093 2000-02-09 Nick Clifton <nickc@cygnus.com>
4095 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
4097 2000-02-09 Nick Clifton <nickc@cygnus.com>
4099 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
4100 ARM_FUNCTION_PROFILER.
4102 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
4103 ARM_FUNCTION_PROFILER.
4105 * config/arm/linux-oldld.h: Imported from mainline sources.
4107 2000-02-07 Nick Clifton <nickc@cygnus.com>
4109 * config/arm/lib1funcs.asm: Merge in thumb functions from
4112 * config/arm/lib1thumb.asm: Delete.
4114 2000-02-04 Nick Clifton <nickc@cygnus.com>
4116 * config/arm/arm.c: Sychronised with current Red hat local
4118 * config/arm/arm.h: Ditto.
4119 * config/arm/arm-protos.h: Ditto.
4121 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
4123 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
4125 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
4128 2000-02-02 Nick Clifton <nickc@cygnus.com>
4130 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
4132 * config/arm/arm.md (epilogue): Fix rtl checking abort because
4133 (return) was emited using an emit_insn() call.
4135 2000-01-31 Nick Clifton <nickc@cygnus.com>
4137 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
4139 (thumb_exit): Move frame pointer back into hard frame pointer
4140 register if backtracing is being used.
4142 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
4144 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
4147 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
4149 * config/arm/arm.md (neg_pool_offset): Provide default for new
4151 (arm_movsi_insn): Add neg_pool_offset attribute.
4152 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
4153 rtx for the insn that starts the scan and an unsigned long for its
4154 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
4155 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
4156 instructions in *PINSERTED.
4157 (struct minipool_fixup): Add MIN_ADDRESS elt.
4158 (sort_fixups): Compute it.
4159 (arm_reorg): Changes to support inserting pools before the insn to be
4162 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
4164 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
4165 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
4166 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
4168 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
4170 * config/arm/semi.h (TARGET_VERSION): Do not define if already
4172 (TARGET_DEFAULT): Do not define if already defined.
4174 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
4176 * config/arm/arm.md (anddi3): Allow disjoint source operands.
4177 (iordi3): Allow disjoint source operands.
4178 (xordi3): Allow disjoint source operands.
4179 (negdi2): Permit construction for ARM and Thumb.
4180 (arm_negdi2): Renamed version of old negdi2 pattern.
4181 (thumb_negdi2): New pattern: Only permit non-overlapping
4182 source and destination.
4184 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
4186 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
4187 scratch low register so that it will not be deleted.
4189 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
4191 * config/arm/pe.h (ARM_PE): Define.
4193 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
4194 interfacearm attribute if this is a PE toolchain.
4195 (output_return_instruction): Do not emit anything if the function
4196 has the naked attribute set.
4197 (is_called_in_ARM_mode): If the function has the interfacearm
4198 attribute then return true.
4199 (thumb_expand_prologue): Do not generate a prologue for naked
4201 (thumb_expand_epilogue): Do not generate an epilogie for a naked
4203 (output_thumb_prologue): Do not bother if the function is naked.
4204 Strip PE encoding from function name before emitting.
4206 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
4208 * arm.md (pic_load_addr): Fix constraints.
4210 * arm.md (casesi_insn): Fix mis-applied patch.
4212 * arm.md ("core" function unit): Add rules for single- and
4214 (All TARGET_THUMB patterns): Add "type" attribute information
4216 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
4217 the following insn is a CALL.
4219 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
4221 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
4222 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
4223 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
4225 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
4227 * config/arm/linux-gas.h: oops - this file was missed out when the
4228 branch was created...
4230 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
4232 * thumb.c: Deleted. Move contents to ...
4234 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
4236 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
4239 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
4240 declare a prototype for asm_output_align();
4242 * arm.c (thumb_condition_code): Delete.
4243 (arm_print_operand): Always use arm_condition_code array.
4245 * arm.c (thumb_return_addr_rtx): Delete.
4246 (arm_save_machine_status, arm_restore_machine_status): Delete.
4247 (arm_init_machine_status, arm_mark_machine_status): New functions.
4248 (arm_init_expanders): Update accordingly.
4249 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
4250 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
4251 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
4253 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
4255 * configure.in : Fix arm-*-aout target to use new t-arm-aout
4257 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
4260 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
4262 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
4263 stack backtrace structure.
4265 * config/arm/arm-protos.h: Add prototypes for functions defined in
4268 * config/arm/arm.c (arm_override_options): Fix selection of
4269 attributes of default processor.
4271 * config/arm/coff.h: Delete needless #include.
4273 * config/arm/pe.c: Delete unused code.
4275 * config/arm/pe.h (CPP_DEFINES): Delete
4276 (SUBTARGET_CPP_SPEC): Define.
4277 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
4279 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
4281 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
4283 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
4285 (CAN_DEBUG_WITHOUT_FP): Define.
4286 (FIXED_REGISTERS): Make r11 call-saved.
4287 (CALL_USED_REGISTERS): Likewise.
4288 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
4289 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
4290 frame-pointer is required.
4291 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
4292 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
4293 if the target normally needs a stack frame in non-leaf functions.
4294 (use_return_insn): Correct logic for determining when a return
4295 instruction can be used.
4296 (output_return_instruction): Handle the frame-pointer register as
4297 a normal register when not TARGET_APCS_FRAME.
4298 (arm_output_prologue): Likewise.
4299 (arm_output_epilogue): Likewise.
4300 (output_func_epilogue): Likewise.
4301 (arm_expand_prologue): Likewise.
4302 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
4304 * arm.c (use_return_insn): No need to check floating point regs if
4306 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
4307 the code of value stored in the minipool array.
4308 (arm_add_minipool_constant): Likewise.
4310 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4312 * basic-block.h (conflict_graph_enum_fn): K&R fix.
4314 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4316 * tree.c (tree_expr_nonnegative_p): New function.
4318 * tree.h (tree_expr_nonnegative_p): Declare.
4320 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
4321 elide some sign_compare warnings.
4322 (build_conditional_expr): Likewise.
4324 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
4326 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
4328 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
4329 * i386.c (print_operand): Use the proper suffix for a 387 HImode
4330 operand. Abort if a 387 operand has an unsupported size.
4332 2000-04-08 Neil Booth <NeilB@earthling.net>
4334 * cppexp.c (parse_charconst): Null does not end character
4336 * cppinit.c (ISTABLE): Null character handled as whitespace.
4337 * cpplex.c (null_warning): new function.
4338 (skip_string): Emit warning if nulls encountered.
4339 (_cpp_skip_hspace): Emit warning if nulls encountered.
4340 (_cpp_lex_token): Emit warning if nulls encountered. Drop
4344 2000-04-07 Richard Henderson <rth@cygnus.com>
4346 * flow.c (loop_depth): Remove.
4347 (reg_next_use, cc0_live, mem_set_list): Replace with ...
4348 (struct propagate_block_info): New.
4349 (life_analysis): Don't allocate reg_next_use.
4350 (propagate_block_delete_insn): Break out of propagate_block.
4351 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
4352 (propagate_block_delete_libcall): Likewise.
4353 (propagate_block): Create a propagate_block_info struct to pass
4354 to subroutines. Allocate one not two temporary regsets. Don't
4355 clobber memory for const calls. Look for clobbers in
4356 CALL_INSN_FUNCTION_USAGE.
4357 (mark_set_regs): Recognize COND_EXEC.
4358 (mark_set_reg): Break out of mark_set_1.
4359 (mark_used_reg): Break out of mark_used_regs.
4360 (mark_used_regs): Recognize COND_EXEC.
4361 (insn_dead_p): Use propagate_block_info struct.
4362 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
4363 (find_auto_inc, try_pre_increment_1): Likewise.
4364 (print_rtl_with_bb): Dump regs live at end too.
4365 (count_reg_sets_1): Pass in loop_depth.
4366 (count_reg_sets, count_reg_references): Likewise.
4367 (recompute_reg_usage): Provide it.
4369 2000-04-07 Richard Henderson <rth@cygnus.com>
4371 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
4374 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
4376 * cpplib.c (do_elif): Skip the rest of the line if we're
4377 not going to bother evaluating it.
4378 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
4379 to avoid pointless calls to the lexer.
4381 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
4383 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
4385 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
4387 * calls.c (expand_call): emit_queue if we're trying a sibcall.
4389 2000-04-07 Jakub Jelinek <jakub@redhat.com>
4391 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
4393 2000-04-06 Geoff Keating <geoffk@cygnus.com>
4395 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
4396 crtend so they can be multilibbed.
4397 (STAGESTUFF): Remove s-crt and s-crtS.
4399 2000-04-07 Richard Henderson <rth@cygnus.com>
4401 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
4402 if we discover we need a pseudo and no_new_pseudos is true.
4403 * config/alpha/alpha.md (ne:DI insn): New.
4404 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
4406 2000-04-07 Richard Henderson <rth@cygnus.com>
4408 * rtl.def (COND_EXEC): New.
4409 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
4410 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
4412 * genconfig.c (have_cond_arith_flag): Remove.
4413 (have_cond_exec_flag): New.
4414 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
4415 (main): Print HAVE_conditional_execution.
4417 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
4418 (sched_analyze_insn, print_pattern): Likewise.
4419 * reload.c (find_equiv_reg): Likewise.
4420 * rtlanal.c (reg_referenced_p): Likewise.
4421 (note_stores, dead_or_set_regno_p): Likewise.
4422 (reg_overlap_mentioned_p): Rewrite to use a switch.
4424 * ggc.h (struct rtx_def): Forward declare.
4426 * print-rtl.c (debug_rtx_range): New.
4427 * rtl.h (debug_rtx_range): Declare.
4429 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
4431 * gcse.c (gcse_main): Don't rebuild the CFG here.
4432 (delete_null_pointer_checks): Likewise.
4433 * ssa.c (convert_to_ssa): Likewise.
4434 * toplev.c (rest_of_compilation): Do it here instead. Combine
4435 sequential calls to TIMEVAR. Consistently use `insns' instead of
4436 `get_insns()'. Always split insns after reload when optimizing.
4438 * basic-block.h (merge_blocks_nomove): Declare.
4439 (tidy_fallthru_edge): Declare.
4440 * flow.c (merge_blocks_nomove): Document as merging into previous
4441 blocks. Remove cruft from between blocks; remove all edges out of A.
4442 (tidy_fallthru_edge): Export.
4444 2000-04-06 Alex Samuel <samuel@codesourcery.com>
4446 * ssa.c (compute_conservative_reg_partition): Declare with
4448 * toplev.c (clean_dump_file): Remove previously-deleted function
4449 inadvertantly merged back in.
4450 * conflict.c (conflict_graph_add): Use a single call to
4451 htab_find_slot to look up and insert.
4453 2000-04-06 Richard Henderson <rth@cygnus.com>
4455 * genrecog.c (*): Rename _last_insn to last_insn.
4456 (make_insn_sequence): Set the position of the peephole2 C test
4457 to be at the last insn.
4459 2000-04-06 Richard Henderson <rth@cygnus.com>
4461 * flow.c (compute_flow_dominators): Free worklist.
4463 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
4465 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
4467 2000-04-06 Alex Samuel <samuel@codesourcery.com>
4469 * rtl.h (INSN_P): New macro.
4470 (successor_phi_fn): New typedef.
4471 (for_each_successor_phi): New prototype.
4472 (in_ssa_form): New variable.
4473 (PHI_NODE_P): Likewise.
4474 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
4475 phi nodes in successors.
4476 (mark_used_regs): Add PHI case.
4477 (set_phi_alternative_reg): New function.
4478 (life_analysis): Assert that dead code elimination is not selected
4480 * toplev.c (to_ssa_time): New variable.
4481 (from_ssa_time): Likewise.
4482 (compile_file): Zero to_ssa_time and from_ssa_time.
4483 Print time to convert to and from SSA.
4484 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
4485 (print_time): Compute percent fraction as integer.
4486 * ssa.c (PHI_NODE_P): Moved to rtl.h.
4487 (convert_to_ssa): Check if we're already in SSA.
4488 Don't eliminate dead code in life_analysis.
4489 Rerun flow and life analysis at bottom.
4490 (eliminate_phi): Use canonical regnos when adding nodes.
4491 (mark_reg_in_phi): New function.
4492 (mark_phi_and_copy_regs): Likewise.
4493 (convert_from_ssa): Rerun life analysis at top.
4494 Use coalesced partition.
4495 Check for removing a phi node at the end of the block.
4496 (compute_coalesced_reg_partition): New function.
4497 (coalesce_regs_in_copies): Likewise.
4498 (coalesce_reg_in_phi): Likewise.
4499 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
4500 (for_each_successor_phi): Likewise.
4501 (rename_context): New struct.
4502 (rename_block): Use a rename_context with rename_insn_1. When
4503 renaming sets of a subreg, emit a copy of the entire reg first.
4504 (rename_insn_1): Treat data as a rename_context *. Save current
4506 (rename_set_data): Add field set_insn.
4507 * Makefile.in (HASHTAB_H): Move up in file.
4508 (OBSTACK_H): New macro.
4509 (collect2.o): Use OBSTACK_H in dependencies.
4510 (sdbout.o): Likewise.
4511 (emit-rtl.o): Likewise.
4512 (simplify-rtx.o): Likewise.
4513 (fix-header.o): Likewise.
4514 (OBJS): Add conflict.o.
4515 (conflict.o): New rule.
4516 * basic-block.h: Include partition.h.
4517 (conflict_graph): New typedef.
4518 (conflict_graph_enum_fn): Likewise.
4519 (conflict_graph_new): New prototype.
4520 (conflict_graph_delete): Likewise.
4521 (conflict_graph_add): Likewise.
4522 (conflict_graph_conflict_p): Likewise.
4523 (conflict_graph_enum): Likewise.
4524 (conflict_graph_merge_regs): Likewise.
4525 (conflict_graph_print): Likewise.
4526 (conflict_graph_compute): Likewise.
4527 * conflict.c: New file.
4529 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
4531 * tlink.c (read_repo_files): Don't look for .rpo info for
4534 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4536 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
4538 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4540 * config/sh/lib1funcs.asm (___udivsi3_i4):
4541 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
4542 only depends on FMOVD_WORKS.
4544 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4546 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
4547 make double constant 8-byte aligned.
4549 2000-04-06 Jakub Jelinek <jakub@redhat.com>
4551 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
4552 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
4553 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
4554 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
4555 Accept storing GENERAL_REGS into offsetable memory.
4556 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
4557 building a TFmode constant other than 0.0L into GENERAL_REGS.
4559 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
4561 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
4563 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
4565 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
4566 (macro_cleanup): No need to cast pbuf->macro.
4567 (collect_expansion): Use _cpp_get_define_token. Goto done if
4568 it returns VSPACE. Remove check for trailing space after
4570 (_cpp_create_definition): Don't diddle flags here. Return
4572 (unsafe_chars): Handle c1 being EOF.
4573 (push_macro_expansion): Use unsafe_chars for both accidental-paste
4574 checks. Don't push the buffer till after we're done with
4576 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
4577 (PEEKN, FORWARD, GETC, PEEKC): Use them.
4578 (cpp_push_buffer): Don't set new->alimit. Set new->mark
4580 (_cpp_parse_assertion): Don't NUL terminate.
4581 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
4582 hspace before calling _cpp_parse_assertion. Remove all sets
4583 of only_seen_white. Treat '\f' as hspace. Don't do anything
4584 special with '\n' here.
4585 (maybe_macroexpand): Handle T_EMPTY hash entries without
4586 pushing a buffer at all.
4587 (cpp_get_token): Handle clearing only_seen_white here. Handle
4588 incrementing the line number here. Clear
4589 potential_control_macro as well as only_seen_white, if
4591 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
4592 (_cpp_get_define_token): New function, basically like
4593 _cpp_get_directive_token was but doesn't eat horizontal space.
4594 Don't do anything with only_seen_white here.
4595 (_cpp_get_directive_token): Just call _cpp_get_define_token
4596 repeatedly till it returns non-hspace.
4598 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
4599 (conditional_skip, skip_if_group): Return int.
4600 (DIRECTIVE_TABLE): Change origin of all conditional directives
4602 (TRAD_DIRECT_P): New macro.
4603 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
4604 an error for a bogus directive, unless -lang-asm. Use
4605 TRAD_DIRECT_P. Loop calling handler functions till one returns
4607 (get_macro_name): Don't diddle flags here.
4608 (do_define): Diddle flags here. Use _cpp_get_directive_token.
4609 Create T_EMPTY nodes for #define macro /* nothing */.
4610 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
4611 Use hp->name when calling pass_thru_directive.
4612 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
4613 Return the result of conditional_skip and/or skip_if_group.
4614 Don't call _cpp_output_line_command.
4615 (consider_directive_while_skipping): Use _cpp_get_directive_token.
4616 Issue -Wtraditional warnings as appropriate. Don't complain
4617 about unrecognized directives. If we are to stop skipping,
4618 return the number of the directive that ended the skip.
4619 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
4620 expansion and line commands while skipping. Return the result
4621 of consider_directive_while_skipping, if nonzero.
4622 (do_endif): Just set potential_control_macro here.
4623 (validate_else): Use _cpp_get_directive_token.
4624 (do_assert, do_unassert): Don't save pointers into the
4625 token_buffer across calls to the lexer. Use
4626 _cpp_get_directive_token.
4628 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
4629 pointer, not an offset. Replace 'data', which was a generic
4630 pointer, with 'macro', which points to a struct hashnode.
4631 (cpp_reader): Add 'potential_control_macro' pointer.
4632 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
4633 (CPP_BUF_GET, CPP_FORWARD): Delete.
4634 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
4635 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
4636 ACTIVE_MARK_P): Update.
4637 (_cpp_get_define_token): New internal function.
4638 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
4640 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
4642 * configure.in: And here.
4643 * configure: Regenerate.
4644 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
4645 --enable-libstdcxx-v3 is passed at configure time.
4646 * config.h.in: Regenerate.
4648 2000-04-05 Mark Mitchell <mark@codesourcery.com>
4650 * final.c (final): Use xcalloc to allocate line_note_exists.
4651 * function.c (free_after_compilation): Free the temp_slots.
4652 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
4653 (combine_temp_slot): Free temp_slots when they get combined.
4654 (purge_addressof): Fix typo in comment.
4655 * stmt.c (mark_goto_fixup): Mark the fixup itself.
4656 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
4658 * ggc.h: Include varray.h.
4659 (ggc_pending_trees): Declare.
4660 (ggc_mark_tree_children): Remove declaration.
4661 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
4662 * ggc-common.c (ggc_pending_trees): New variable.
4663 (ggc_mark_roots): Call ggc_mark_trees.
4664 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
4665 the ggc_pending_trees.
4666 * Makefile.in (GGC_H): New variable. Use it throughout in place
4669 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4671 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
4674 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4676 * sh.c (sh_insn_length_adjustment): New function.
4677 * sh-protos.h (sh_insn_length_adjustment): Declare.
4678 * sh.h (ADJUST_INSN_LENGTH): Use it.
4680 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
4682 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
4683 from the insn where REG_RETVAL is added.
4684 (emit_no_conflict_block): Ditto.
4686 * md.texi (Standard Names): Clarify when movX is needed.
4688 * combine.c (simplify_comparison) [MINUS]: Do not replace
4689 all (op (minus A B) 0) with (op A B).
4691 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
4692 J"orn Rennecke <amylaar@cygnus.co.uk>
4694 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
4695 (block_lump_real): Likewise.
4697 2000-04-05 Chris Demetriou <cgd@netbsd.org>
4699 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
4700 remaining non-zero debugging masks.
4702 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
4704 * basic-block.h (verify_flow_info): Declare.
4705 (flow_loop_outside_edge_p): Declare.
4706 * flow.c (verify_flow_info): Remove declaration.
4707 (clear_log_links, flow_loop_outside_edge_p): Likewise.
4709 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
4711 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
4714 2000-04-05 Jakub Jelinek <jakub@redhat.com>
4716 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
4717 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
4718 seqdi_zero_trunc+1): Allow splits only if registers are
4721 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
4723 * acconfig.h: Add HAVE_GAS_HIDDEN.
4724 * config.in: Regenerated.
4725 * configure.in: Add test for .hidden pseudo-op in gas.
4726 * configure: Regenerated.
4727 * crtstuff.c: Include auto-host.h.
4728 Emit additional .hidden pseudo-op for __dso_handle if the
4729 assembler knows about it.
4731 2000-04-04 Philippe De Muyter <phdm@macqel.be>
4733 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
4734 before freeing argnames.
4735 * cpplib.c (do_ifndef): Cast return value of xstrdup.
4737 2000-04-05 Michael Meissner <meissner@redhat.com>
4739 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
4740 Walton <jonboy@gordian.com> to make memory references with update
4741 work wtih -mregnames.
4743 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4745 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
4746 (regrename_optimize): Rename variables `def_uses' and
4747 `ext_basic_blocks' to avoid conflicts with similarly named
4748 typedefs in traditional C.
4750 * calls.c (initialize_argument_information): Fix typo in previous
4753 2000-04-04 Richard Henderson <rth@cygnus.com>
4755 * regrename.c (consider_available): Test fixed_regs not
4756 PIC_OFFSET_TABLE_REGNUM.
4758 2000-04-04 Geoff Keating <geoffk@cygnus.com>
4760 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
4762 (CRTSTUFF_T_CFLAGS_S): Delete definition.
4763 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
4764 (ENDFILE_LINUX_SPEC): Always use crtend.
4765 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
4766 (powerpc-*-linux-gnu): Likewise.
4767 * configure: Regenerate.
4769 * config/rs6000/eabi.h: Don't include sysv4.h.
4770 (MULTILIB_DEFAULTS): Don't define.
4771 * config/rs6000/eabiaix.h: Don't include eabi.h.
4772 * config/rs6000/eabile.h: Delete.
4773 * config/rs6000/eabilesim.h: Delete.
4774 * config/rs6000/eabisim.h: Don't include eabi.h.
4775 * config/rs6000/linux.h: Don't include sysv4.h.
4776 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
4777 (MULTILIB_DEFAULTS): Don't redefine.
4778 * config/rs6000/rtems.h: Don't include eabi.h.
4779 * config/rs6000/sol2.h: Don't include sysv4le.h.
4780 * config/rs6000/sysv4le.h: Don't include sysv4.h.
4781 * config/rs6000/t-ppc: Delete.
4782 * config/rs6000/t-ppcgas: Correct comment.
4783 * config/rs6000/t-ppcos: Correct comment. Don't build
4784 multilibs for -fPIC, rather use -fPIC -mstrict-align
4786 * config/rs6000/t-ppc: Delete.
4787 * config/rs6000/vxppc.h: Don't include sysv4.h.
4788 * config/rs6000/vxppcle.h: Delete.
4789 * configure.in: Use multiple header files for p2pc ELF targets
4790 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
4791 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
4792 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
4793 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
4794 always available for these platforms.
4796 2000-04-04 Richard Henderson <rth@cygnus.com>
4798 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
4800 2000-04-04 Stan Cox <scox@cygnus.com>
4802 * Makefile.in: Add rules for regrename.o
4803 * regrename.c: New file.
4804 * rtl.h (regrename_optimize): Add prototype.
4805 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
4806 (compile_file, decode_d_option): Add support for -frename-registers.
4807 (rest_of_compilation): Call regrename_optimize.
4808 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
4811 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4813 * Makefile (gccbug): New target.
4814 (doc): Depend on it.
4815 * gcc.texi (Bugs): Link subnodes.
4817 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
4818 Document severities, priorities, and classes in bug form.
4820 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
4822 * cpplex.c (trigraph_map, speccase): Combine into single
4824 (NORMAL, NONTRI): New macros.
4825 (_cpp_read_and_prescan): Change to use unified table. Use
4826 is_hspace to test for whitespace.
4828 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
4829 definition that doesn't provoke the "empty body in an
4830 if-statement" warning.
4832 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
4834 * builtins.c (expand_builtin_strlen): Force the source to
4835 be a memory address.
4837 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4839 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
4841 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
4843 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
4844 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
4845 (ECF_IS_CONST): Rename to ECF_CONST.
4846 (special_function_p): Make static, change interface.
4847 (flags_from_decl_or_type, try_to_integrate): Break out from ...
4848 (expand_call) ... here; convert number of variables to flags.
4849 (emit_library_call_vlue_1): Likewise.
4850 (setjmp_call_p): New function.
4851 (initialize_argument_information): Accepts flags as argument;
4853 (precompute_arguments): Likewise.
4854 * tree.h (special_function_p): Remove.
4855 (setjmp_call_p): Add prototype.
4857 2000-04-04 Jakub Jelinek <jakub@redhat.com>
4859 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
4860 so that addresses are offsetable by up to 16 bytes.
4861 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
4862 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
4865 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
4866 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
4867 (movsf): Don't force any constant to memory if target is integer
4869 Move fp_zero_operand check below the const0_rtx check.
4870 (movtf): Likewise. Also allow fp_zero_operand for stores into
4872 (movdf): Likewise. Also allow fp_zero_operand for stores into
4873 memory and into integer hard registers.
4874 (clear_df, clear_dfp, movdf_const_intreg_sp32,
4875 movdf_const_intreg_sp64): Remove.
4876 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
4878 (movdf_no_e_insn_v9_sp32): New pattern.
4879 (movdf_insn_v9only): Remove.
4880 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
4881 (movdf_insn_sp64): Remove.
4882 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
4883 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
4884 (following splits): Rewrite conditions. Add two new splits
4885 for storing 0.0 into memory and registers.
4886 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
4887 (movtf_insn_sp32): Redo constraints and conditions.
4888 (movtf_insn_vis_sp32): New pattern.
4889 (movtf_no_e_insn_sp32): Redo constraints and conditions.
4890 (movtf_insn_hq_sp64): Likewise.
4891 (movtf_insn_hq_vis_sp64): New pattern.
4892 (movtf_insn_sp64): Redo constraints and conditions.
4893 (movtf_insn_vis_sp64): New pattern.
4894 (movtf_no_e_insn_sp64): Redo constraints and conditions.
4895 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
4897 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
4898 -mvis or -m64 to take down the number of various reload patterns.
4900 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
4902 * pa/pa-64.h: New file.
4903 * pa/pa64-regs.h: New file.
4904 * pa/pa64-start.h: New file.
4905 * pa/t-pa64: New file.
4906 * pa/xm-pa64hpux.h: New file.
4908 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4910 * sparc.c (output_restore_regs): Prototype.
4911 (sparc_emit_float_lib_cmp): Constification.
4913 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
4915 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
4918 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
4919 (get_value_hash, hash_rtx): Likewise.
4921 * ssa.c (compute_conservative_reg_partition): Prototype.
4923 * tree.c (mark_hash_entry): Prototype.
4925 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
4927 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
4928 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
4929 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
4931 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
4932 * objc/lang-specs.h: Likewise.
4934 2000-04-03 Neil Booth <NeilB@earthling.net>
4936 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
4937 and SYNTAX_ERROR2. Replace `' in messages with ''.
4938 (op_to_str): Make re-entrant.
4939 (_cpp_parse_expr): Implement new error macros. Use | rather
4940 than || to logically or 2 boolean integers. Simply expression
4941 checking we have a left operand iff needed.
4943 2000-04-03 Nick Clifton <nickc@cygnus.com>
4945 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
4947 2000-04-03 Philip Blundell <philb@gnu.org>
4949 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
4951 2000-04-03 Felix Lee <flee@cygnus.com>
4953 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
4954 (run_shell): Use it.
4956 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
4958 * Makefile.in (stmp-int-hdrs): Make include subdir here...
4959 (stmp-fixproto): ...rather than here.
4961 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
4963 * pa.c (print_operand): Compute 'base' only inside the code paths
4966 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
4968 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
4971 2000-04-03 Philipp Thomas <pthomas@suse.de>
4973 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
4975 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
4977 * Makefile.in (alias.o): Depend on $(TREE_H).
4979 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
4981 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
4983 * cpplib.c (_cpp_handle_directive): Improve warnings for
4984 traditional C and indented directives.
4986 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
4987 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
4988 fixinc/inclhack.def: Indent the # of #include_next one space.
4989 * cp/rtti.c: Un-indent #if and #endif.
4991 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
4992 syntax error, but an error has already been printed.
4993 * cpplex.c (_cpp_parse_assertion): Give a more specific error
4994 message when called with nothing remaining on the line.
4995 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
4996 OTHER token, not an ASSERTION.
4997 * cpplib.c (do_assert): When we create a 'base' node, clear
4998 its aschain pointer.
5000 2000-04-02 Neil Booth <NeilB@earthling.net>
5002 * cppexp.c: New typedef op_t. struct operation and struct
5003 token updated to use it.
5004 (op_to_str): New function.
5005 (_cpp_parse_expr): Error messages modified to use op_to_str.
5007 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5009 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
5010 before checking MUST_PASS_IN_STACK.
5012 2000-04-02 Neil Booth <NeilB@earthling.net>
5014 * cppexp.c: New FINISHED dummy token. Combine operator initial
5015 flags and initial priority into a single constant. New
5016 EQUALITY macro. New operator flag SHORT_CIRCUIT.
5017 (_parse_cpp_expr): Implement new constants. Take left operand
5018 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
5019 parse indicated by reducing FINISHED token. Remove new lines
5020 from cpp_error messages.
5022 2000-04-01 Mark Mitchell <mark@codesourcery.com>
5024 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
5027 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
5029 * cpplib.c: Include symcat.h. Add 'origin' field to struct
5030 directive. Add origin values to DIRECTIVE_TABLE. Generate
5031 the strings and function names on the fly. Take the #sccs
5032 entry out of the table if SCCS_DIRECTIVE is not defined.
5033 (_cpp_handle_directive): Decide if the # was at the beginning
5034 of the line here. Issue -pedantic warnings for extended
5035 directives here. Warn about K+R directives with the #
5036 indented, and C89/extended directives with the # not indented,
5038 (do_import, do_include_next, do_warning, do_ident, do_sccs,
5039 do_assert, do_unassert): Don't issue pedantic warning here.
5041 * cpphash.h: Add CPP_WTRADITIONAL macro.
5042 * cpplib.h (struct cpp_options): Rename warn_stringify to
5043 warn_traditional; update comments.
5044 * cppinit.c (handle_option): Set warn_traditional not
5046 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
5047 CPP_WTRADITIONAL (pfile).
5048 * cpplex.c (_cpp_lex_token): Don't decide if directives should
5049 be ignored in -traditional mode here.
5051 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
5052 to initialize speccase[] and trigraph_map[]. Delete all
5053 references to pfile->input_speccase. Always treat '?' as a
5054 special character. Remove table-initialization code from
5055 _cpp_init_input_buffer.
5057 * cpplib.h (struct cpp_reader): Remove input_speccase field.
5058 * cppinit.c (cpp_cleanup): Don't free input_speccase.
5060 2000-04-01 Richard Henderson <rth@cygnus.com>
5062 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
5063 (mostlyclean): Likewise.
5065 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
5066 (struct dump_file_info, enum dump_file_index, dump_file): New.
5067 (open_dump_file): Take a dump_file_index not a suffix, and a decl
5068 not a string. Clean out file if we havn't yet done so. Do nothing
5069 if the dump isn't enabled.
5070 (close_dump_file): Do nothing if the dump isn't open. Dump
5071 graph data if requested.
5072 (dump_rtl, clean_dump_file): Remove.
5073 (compile_file): Don't clean the dump files. Only finalize .bp dump
5074 if flag_test_coverage or flag_branch_probabilities. Only finalize
5075 .combine dump if optimizing. Iterate over dump_file to finalize the
5077 (rest_of_compilation): Update for open_dump_file/close_dump_file.
5078 Convert all uses of dump_rtl.
5079 (decode_d_option): Iterate over dump_file to implement 'a' and to
5080 locate pass-specific dumps.
5082 2000-04-01 Neil Booth <NeilB@earthling.net>
5084 * cppexp.c: Redefine priority constants.
5085 (_cpp_parse_expr): Replace left and right priority scheme with
5086 single priority logic. Move LOGICAL to same place as COMPARE.
5087 Remove bogus check for multiple unary +/- operators.
5089 2000-04-01 Neil Booth <NeilB@earthling.net>
5091 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
5092 within the switch statement. Binary operations break out of
5093 the switch naturally. '(' tokens handled by forcing
5094 immediate shift. ')' handled by forcing immediate reduce to
5095 the previous '('. New error messages.
5097 2000-03-31 Geoff Keating <geoffk@cygnus.com>
5099 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
5100 part', it's already in use. Use %K instead. Add a return at the
5101 end of what is now %K.
5102 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
5104 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
5106 * builtins.c (expand_builtin_apply): Pass proper parameters to
5107 allocate_dynamic_stack_space.
5108 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
5109 update stack_pointer_delta; do not update arg_size_so_far.
5110 (compute_argument_block_size): Use stack_delta instead of
5111 stack_pointer_pending and arg_size_so_far.
5112 (expand_call): Add sanity checking for stack_pointer_delta;
5113 save and restore stack_pointer_delta for SIB, use
5114 stack_pointer_delta for alignment; do not update arg_space_so_far.
5115 (emit_library_call_value): Use stack_pointer_delta for alignment.
5116 (store_one_arg): Do not update arg_space_so_far.
5117 * explow.c (adjust_stack, anti_adjust_stack): Update
5118 stack_pointer_delta.
5119 (allocate_dynamic_stack_space): Add sanity checking for
5120 stack_pointer_delta.
5121 * expr.c (init_expr, clear_pending_stack_adjust): Clear
5122 stack_pointer_delta.
5123 (emit_push_insn): Update stack_pointer_delta.
5124 * function.h (struct expr_status): Add x_stack_pointer_delta;
5125 remove x_arg_space_so_far.
5126 (arg_space_so_far): Remove.
5127 (stack_pointer_delta): New macro.
5129 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
5131 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
5132 Reorder struct cpp_options and struct cpp_reader for better
5133 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
5134 takes two args. Change all 'char' flags to 'unsigned char'.
5135 Move show_column flag into struct cpp_options. Don't
5136 prototype cpp_options_init.
5137 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
5138 cppinit.c, cpplex.c, cpplib.c:
5139 Replace CPP_OPTIONS (pfile)->whatever with
5140 CPP_OPTION (pfile, whatever), and likewise for
5141 opts = CPP_OPTIONS (pfile); ... opts->whatever;
5143 * cppinit.c (merge_include_chains): Take a cpp_reader *.
5144 Extract CPP_OPTION (pfile, pending) and work with that
5146 (cpp_options_init): Delete.
5147 (cpp_reader_init): Turn on on-by-default options here.
5148 Allocate the pending structure here.
5149 (cl_options, enum opt_code): Define these from the same table,
5150 kept in a large macro. Add -fshow-column and -fno-show-column
5153 * cpperror.c (v_message): If show_column is off, don't print
5156 * cppmain.c: Update for new interface.
5157 * fix-header.c: Likewise.
5159 2000-03-30 Geoff Keating <geoffk@cygnus.com>
5161 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
5163 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
5164 are passed to any invocation of AR_FOR_TARGET.
5165 (AR_CREATE_FOR_TARGET): New macro.
5166 (AR_EXTRACT_FOR_TARGET): New macro.
5167 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
5168 AR_EXTRACT_FOR_TARGET.
5169 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
5170 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
5171 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
5172 AR_EXTRACT_FOR_TARGET to sub-makes.
5174 2000-03-31 Neil Booth <NeilB@earthling.net>
5176 * cppexp.c: Delete SKIP_OPERAND. Correct priority
5178 (_cpp_parse_expr): Check for multiple unary +/- operators.
5179 Correct priorities of ':' and '?'. Treat ')' as having a
5180 value. Ensure conditional expression is not void.
5182 2000-03-31 Mark Mitchell <mark@codesourcery.com>
5184 * alias.c (canon_rtx): Make it global.
5185 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
5187 * cse.c (struct table_elt): Add canon_exp.
5189 (invalidate): Canonicalize expressions only once.
5190 * rtl.h (canon_rtx): Declare.
5192 2000-03-30 Mark Mitchell <mark@codesourcery.com>
5194 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
5195 * alias.c (reg_known_value): Add comments.
5196 (init_alias_analysis): Likewise.
5197 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
5199 (cse_basic_block): Fix typo in comment.
5200 * emit-rtl.c: Include hashtab.h.
5201 (const_int_htab): New variable.
5202 (const_int_htab_hash): New function.
5203 (const_int_htab_eq): Likewise.
5204 (rtx_htab_mark_1): Likewise.
5205 (rtx_htab_mark): Likewise.
5206 (gen_rtx_CONST_INT): Cache all CONST_INTs.
5207 (unshare_all_rtx): Fix formatting.
5208 (init_emit_once): Initialize const_int_htab.
5209 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
5211 * rtl.texi: Document the fact that all CONST_INTs with the same
5214 2000-03-30 Richard Henderson <rth@cygnus.com>
5216 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
5218 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
5220 * configure.in: Comment out --enable-c-cpplib stanza.
5221 * configure: Regenerate.
5223 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5225 * expr.c (store_constructor): Properly compute displacement and
5226 alignment when offset is variable.
5228 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
5229 cases of alignment in bytes.
5231 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
5233 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
5234 since it is used to generate c-parse.y.
5235 * objc-parse.c, objc-parse.y: Regenerated.
5237 * function.c (expand_function_end): Pass alignment argument to
5238 emit_block_move in bits, not bytes.
5240 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5242 * expr.c (move_by_pieces_ninsns): Fix one more missing align
5245 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
5247 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
5248 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
5249 * function.c (assign_parms): Likewise.
5250 * integrate.c (expand_inline_function): Likewise.
5251 * stmt.c (expand_decl): Likewise.
5252 (copy_rtx_and_substitute): Likewise.
5253 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
5254 (clear_by_pieces): Fix error in last change.
5255 * emit-rtl.c (init_emit): Set known registers alignment in bits.
5256 * function.h (regno_pointer_align): Now unsigned.
5257 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
5259 * config/i386/i386.c (aligned_operand): Likewise.
5260 * config/sparc/sparc.c (mem_min_alignment): Likewise.
5261 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
5262 (unaligned_memory_operand): Likewise.
5263 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
5264 Also make alignments and sizes unsigned and some whitespace cleanup.
5265 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
5267 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
5268 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
5269 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
5270 (expand_builtin_memset): Likewise, but to clear_storage.
5271 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
5272 (restore_fixed_argument_area): Likewise.
5273 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
5274 (load_register_parameters): Likewise, to emit_group_load.
5275 (expand_call): Likewise, to emit_group_store and emit_block_move.
5276 (emit_library_call_value_1): Likewise, to emit_block_move.
5277 (store_one_arg): Likewise, and to emit_push_insn.
5278 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
5279 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
5280 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
5281 (emit_block_move, emit_group_load, emit_group_store): Likewise.
5282 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
5283 (expand_assigment, store_expr, store_constructor_field): Likewise.
5284 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
5285 (store_constructor, store_field, get_inner_reference): Likewise.
5286 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
5287 (expand_expr, case COMPONENT_REF): Likewise.
5288 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
5289 and positions; reindent code.
5290 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
5291 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
5292 (assign_parms): Likewise to emit_group_store.
5293 * optabs.c (prepare_cmp_insn): Alignment is in bits.
5294 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
5295 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
5296 (expand_return): Likewise to {extract,store}_bit_field.
5297 * stor-layout.c (get_mode_alignment): Minor cleanup.
5298 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
5299 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
5301 2000-03-29 Nick Clifton <nickc@cygnus.com>
5303 * config/arm/arm.h: Undo effects of previous delta:
5304 (ASM_SPEC): Do not define.
5305 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
5307 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
5310 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
5312 * cppinit.c (cpp_start_read): Call initialize_dependency_output
5313 only after reading in the primary source file.
5315 2000-03-29 Geoff Keating <geoffk@cygnus.com>
5317 * c-common.c (c_common_nodes_and_builtins): The first parameter to
5318 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
5319 or a reference to a va_list.
5320 * builtins.c (stabilize_va_list): Simplify now we don't have to
5321 work around C array address decay.
5322 * c-typeck.c (convert_for_assignment): Handle assignment to
5323 a reference parameter by taking the address of the RHS.
5324 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
5325 (va_copy): Likewise.
5326 (__va_copy): Likewise.
5327 * ginclude/varargs.h (va_start): Likewise.
5328 (__va_copy): Likewise.
5330 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
5332 * i386/djgpp.h: Remove extraneous "+".
5334 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
5336 * calls.c (expand_call): Fix typo in last change.
5338 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
5340 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
5343 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5345 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
5346 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
5347 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
5348 * tree.c (bit_position, byte_position): Likewise.
5349 * tree.h: Declare new functions.
5351 2000-03-29 Nick Clifton <nickc@cygnus.com>
5353 * config/arm/arm.c: Minor formatting changes/
5354 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5356 (ASM_SPEC): Define if not already defined.
5358 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
5360 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
5363 2000-03-29 Jakub Jelinek <jakub@redhat.com>
5365 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
5366 value, don't output it as unsigned.
5368 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
5370 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
5372 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5374 * c-common.c (c_common_nodes_and_builtins): Don't special case
5375 cplus_mode when declaring builtin bzero/bcmp, always avoid
5376 prototype arguments.
5378 2000-03-29 Bruce Korb <bkorb@gnu.org>
5380 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
5383 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
5385 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
5386 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
5387 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
5388 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
5389 (save_fixed_argument_area, restore_fixed_argument_area):
5390 conditionize by #ifdef REG_PARM_STACK_SPACE only.
5391 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
5392 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
5393 (precompute_register_parameters): Avoid #ifdefs on
5394 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
5395 (stire_one_args): Likewise.
5396 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
5397 (emit_library_call_value_1): Likewise.
5398 (compute_argument_block_size): Align to STACK_BOUNDARY only for
5399 ACCUMULATE_OUTGOING_ARGS.
5400 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
5402 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
5403 (use_crosses_set_p): Likewise.
5404 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
5405 #define ACCUMULATE_OUTGOING_ARGS 1.
5406 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
5408 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
5410 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
5411 (TARGET_SWITCHES): Add push-args, no-push-args,
5412 accumulate-outgoing-args and no-accumulate-outgoing-args.
5413 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
5414 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
5415 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
5417 (emit_push_insn): Likewise.
5418 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
5419 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
5420 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
5421 (STACK_DYNAMIC_OFFSET): Define correctly for both
5422 ACCUMULATE_OUTGOING_ARGS and normal mode.
5423 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
5424 * tm.texi (PUSH_ARGS): Document.
5425 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
5427 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
5429 * flags.h (flag_optimize_sibling_calls): Declare.
5430 * calls.c (expand_call): Fail sibcall when
5431 !flag_optimize_sibling_calls
5432 * invoke.texi (flag_optimize_sibling_calls): Document.
5433 * toplev.c (flag_optimize_sibling_calls): New global variable.
5434 (f_options): Add flag_optimize_sibling_calls.
5435 (rest_of_compilation): Conditionize
5436 optimize_sibling_and_tail_recursive_calls by
5437 flag_optimize_sibling_calls.
5438 (main): Set flag_optimize_sibling_calls for -O2.
5439 * stmt.c (expand_return): Conditionize tail recursion by
5440 flag_optimize_sibling_calls.
5442 2000-03-29 Richard Henderson <rth@cygnus.com>
5444 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
5445 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
5447 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
5449 * except.c (add_eh_table_entry): Mark type_info's as referenced.
5451 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5453 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
5455 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
5456 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
5457 * config/rs6000/aix.h: then modified likewise.
5459 2000-03-28 Richard Henderson <rth@cygnus.com>
5461 * rtl.h: Redistribute enum reg_note documentation.
5462 Kill trailing whitespace.
5463 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
5464 Kill trailing whitespace.
5466 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
5468 * cppfiles.c (hash_IHASH): Just return i->hash.
5469 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
5470 htab_find_with_hash.
5471 (cpp_read_file): Likewise.
5472 (find_include_file): Likewise. Properly initialize
5473 ih->nshort. Share ih->name and ih->nshort if possible.
5474 * cpphash.c (_cpp_calc_hash): New function.
5475 (hash_HASHNODE): Just return h->hash.
5476 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
5477 htab_find_with_hash.
5478 * cpphash.h: Prototype _cpp_calc_hash.
5479 * cppinit.c (initialize_builtins): Provide a valid hash
5480 to _cpp_make_hashnode, using _cpp_calc_hash.
5482 * cpphash.c (collect_expansion): # is not a special character
5483 in object-like macros. In -traditional mode, /**/ is not
5484 token paste at the beginning or end of the line.
5485 * cpplib.c (do_include, do_import, do_include_next): If
5486 parse_include fails, return immediately.
5488 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
5490 * config/arm/arm.md (return peepholes): Update to reflect the new
5492 * config/arm/arm.c (arm_volatile_func): Also check
5493 current_function_nothrow.
5494 (output_return_instruction, output_func_prologue): Use it.
5495 (arm_output_epilogue, arm_expand_prologue): Likewise.
5497 2000-03-27 Tom Tromey <tromey@cygnus.com>
5499 * gcc.c (handle_braces): In {x*...} case, break out of loop if
5502 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5504 * expr.c (store_constructor): SIZE now signed.
5505 For EXPR_SIZE, don't evaluate size; just needed if constant.
5506 * fold-const.c (fold): Fix a number of cases when folded tree is
5508 * function.c (flush_addressof): Reenable.
5509 * tree.h (flush_addressof): Likewise.
5510 * toplev.c (independent_decode_option): Look at strings_processed.
5511 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
5513 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
5515 * sibcall.c (indentify_call_return_value): Find last call in the chain;
5516 Allow stack adjustment after function call.
5518 * regmove.c (struct csa_memlist): Make mem field rtx *.
5519 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
5520 (try_apply_stack_adjustment): Replace whole MEM rtx.
5521 (combine_stack_adjustments_for_block): Update calls
5522 to record_one_stack_ref.
5524 2000-03-28 Neil Booth <NeilB@earthling.net>
5526 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
5527 '\\' rather than a null character, so nulls are not special. Fix
5528 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
5529 speed trigraph conversion.
5530 (_cpp_init_input_buffer): Initialize trigraph map.
5532 2000-03-27 Alan Modra <alan@linuxcare.com.au>
5534 * config/i386/i386.c (output_387_binary_op): Correct intel
5535 mode assembly output, and add spaces after commas in AT&T
5536 output. Correct Unixware assembler comment. Document input
5537 constraints. Comment fp operations. Reduce profligate buffer
5538 size. Remove extraneous abort. Localize temp var.
5539 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
5540 (output_fix_trunc): Add spaces after commas in assembly output.
5542 2000-03-27 Richard Henderson <rth@cygnus.com>
5544 * i386-protos.h (ix86_match_ccmode): Declare.
5545 * i386.c (ix86_match_ccmode): New.
5546 (ix86_expand_fp_compare): Update for pattern renames.
5547 (ix86_expand_strlensi_unroll_1): Likewise.
5548 * i386.h (EXTRA_CC_MODES): Add CCZ.
5549 (SELECT_CC_MODE): Use it for EQ/NE zero.
5550 * i386.md (cmpsi_ccz_1): New.
5552 (*testsi_ccz_1): New.
5553 (testqi_ccz_1): New.
5554 (cmpsi_ccno_1): Rename from cmpsi_0.
5555 (testsi_ccno_1): Rename from testsi_1.
5556 (testqi_ccno_1): Rename from testqi_1.
5557 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
5558 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
5559 (*cmphi_0): Use ix86_match_ccmode.
5560 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
5561 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
5562 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
5563 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
5564 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
5565 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
5566 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
5567 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
5568 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
5569 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
5570 (appropriate peepholes): Likewise.
5571 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
5572 (*subsi_3, *subhi_3, *subqi_3): Remove.
5573 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
5574 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
5575 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
5576 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
5577 (x86_shift_adj_1): Use CCZ.
5578 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
5580 2000-03-27 Stan Cox <scox@cygnus.com>
5582 * resource.h (mark_resource_type): New.
5583 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
5584 find_free_register): Use mark_resource_type.
5585 (mark_set_resources): Change include_delayed_effects
5586 to mark_resource_type.
5587 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
5588 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
5589 Use mark_resource_type.
5591 2000-03-27 Richard Henderson <rth@cygnus.com>
5593 * i386.md (call_pop_0, call_value_pop_0): New.
5594 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
5595 (call_value_pop_1): Likewise.
5596 (call_0, call_value_0): New.
5597 (call_1, call_value_1): Remove constraint from unused arg.
5599 2000-03-27 Nick Clifton <nickc@cygnus.com>
5601 * invoke.texi (Spec Files): Document new spec % command created by
5602 Tom Tromey's recent patch.
5604 2000-03-27 Jakub Jelinek <jakub@redhat.com>
5606 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
5609 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5611 * expr.c (expand_assignment): Fix typo in last change.
5613 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
5615 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5617 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
5618 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
5619 and DECL_INLINE if FUNCTION_DECL.
5620 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
5621 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
5622 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
5623 (combine_parm_decls): Likewise.
5624 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
5625 * print-tree.c (print_node): Likewise.
5626 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
5627 DECL_TRANSPARENT_UNION on proper decl types.
5628 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
5629 * stor-layout.c (layout_decl): Only check DECL_PACKED and
5630 DECL_BIT_FIELD of FIELD_DECL.
5631 * tree.h (DECL_RESULT_FLD): New macro.
5633 * expr.c (expand_assignment): Add code to handle variable-sized
5636 2000-03-26 Richard Henderson <rth@cygnus.com>
5638 * calls.c (expand_call): Pass parms not original exp to
5639 optimize_tail_recursion. Mind return value instead of looking
5641 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
5642 call_expr. Move checks for call_expr and current_function_decl ...
5643 (expand_return): ... here.
5645 2000-03-26 Tom Tromey <tromey@cygnus.com>
5647 * gcc.c (handle_braces): Recognize `%{<S}' construct.
5648 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
5650 (process_command): Use them.
5651 (check_live_switch): Likewise.
5652 (give_switch): Skip ignored switches.
5654 2000-03-26 Jan Hubicka <jh@suse.cz>
5656 * jump.c (jump_optimize_1): Fix typo in elide optimizations
5657 for minimal jump pass test.
5659 2000-03-26 Mark Mitchell <mark@codesourcery.com>
5661 * integrate.c (function_cannot_inline_p): Do inline functions that
5664 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5666 * stor-layout.c (layout_type, set_sizetype): early_type_list is
5667 now a list of TREE_LIST entries, not types.
5668 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
5670 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
5671 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
5673 * config/mips/mips.c (function_arg): Likewise; also remove cast
5674 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
5675 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
5676 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
5677 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
5678 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
5679 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
5680 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
5681 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
5682 num_adjusts now unsigned.
5683 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
5684 * config/sparc/sparc.c (struct function_arg_record_value_parms):
5686 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
5687 as is BITPOS variable; use host_integerp and int_bit_position.
5688 (function_arg_record_value_2): Likewise.
5689 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
5690 Variable REGNO now unsigned.
5691 (function_arg_record_value): NREGS now unsigned.
5693 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5695 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
5697 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5699 * Rework fields used to describe positions of bitfields and
5700 modify sizes to be unsigned and use HOST_WIDE_INT.
5701 * alias.c (reg_known_value_size): Now unsigned.
5702 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
5703 (really_start_incremental_init): Use bitsize_zero_node.
5704 (push_init_level, pop_init_level, output_init_element): Likewise.
5705 Use bitsize_unit_node and bitsize_one_node.
5706 (output_pending_init_elements, process_init_element): Likewise.
5707 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
5708 (make_extraction): Position and length HOST_WIDE_INT and unsigned
5709 HOST_WIDE_INT, respectively.
5710 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
5711 (num_sign_bit_copies): Returns unsigned.
5712 BITWIDTH now unsigned; rework arithmetic.
5713 Remove recursive call from arg to MAX.
5714 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
5715 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
5717 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
5718 (find_split_point, expand_compound_operation, make_extraction): LEN
5719 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
5720 (make_field_assignment): Likewise.
5721 (combine_simplify_rtx): Add cast.
5722 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
5723 (force_to_mode): WIDTH now unsigned; add cast.
5724 (if_then_else_cond): SIZE now unsigned.
5725 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
5726 (extended_count): Now returns unsigned.
5727 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
5728 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
5729 (simplify_comparison): MODE_WIDTH now unsigned.
5730 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
5731 (mark_used_regs_combine): Likewise; rework arithmetic.
5732 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
5733 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
5734 (record_promoted_value): REGNO now unsigned.
5735 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
5736 (get_last_value): REGNO now unsigned.
5737 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
5738 (reg_dead_regno, reg_dead_endregno): Now unsigned.
5739 (remove_death): Arg REGNO now unsigned.
5740 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
5741 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
5743 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
5744 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
5745 (struct cse_reg_info): REGNO now unsigned.
5746 (cached_regno): Now unsigned.
5747 (REGNO_QTY_VALID_P): Add cast.
5748 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
5749 (remove_invalid_regs): Likewise.
5750 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
5751 as are variables END and I.
5752 (get_cse_reg_info, insert): Likewise.
5753 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
5754 (canon_hash): Likewise.
5755 (insert_regs, lookup_for_remove): REGNO now unsigned.
5756 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
5758 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
5759 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
5760 * emit-rtl.c (subreg_realpart_p): Add cast.
5761 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
5762 (operand_subword_force): Arg I is now unsigned.
5763 * except.c (eh_regs): Variable I is now unsigned.
5764 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
5765 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
5766 length is unsigned HOST_WIDE_INT; likewise for internal variables.
5767 (store_split_bit_field, extract_fixed_bit_field): Likewise.
5768 (extract_split_bit_field, store_bit_field, extract_bit_field):
5770 * expr.c (store_constructor_fields, store_constructor, store_field):
5771 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
5772 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
5773 (do_jump): Likewise.
5774 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
5775 MAX_SIZE is now unsigned.
5776 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
5777 (emit_group_store): Likewise.
5778 (emit_move_insn): I now unsigned.
5779 (store_constructor): Use host_integerp, tree_low_cst, and
5781 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
5782 Rework all calculations to use trees and new fields.
5783 * expr.h (promoted_input_arg): Regno now unsigned.
5784 (store_bit_field, extract_bit_field): Adjust types of pos and size.
5785 (mark_seen_cases): Arg is HOST_WIDE_INT.
5786 * flow.c (verify_wide_reg_1): REGNO now unsigned.
5787 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
5788 precisions and alignments are unsigned.
5789 (optimize_bit_field_compare, fold_truthop): Likewise.
5790 (int_const_binop): Adjust threshold for size_int_type_wide call.
5791 (fold_convert): Likewise.
5792 (size_int_type_wide): Make table larger and fix thinko that only
5793 had half of table used.
5794 (all_ones_mask_p, fold): Precisions are unsigned.
5795 * function.c (put_reg_info_stack): REGNO is unsigned.
5796 (instantiate_decl): Size is HOST_WIDE_INT.
5797 (instantiate_virtual_regs): I is unsigned.
5798 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
5799 (promoted_input_arg): REGNO is unsigned.
5800 * function.h (struct function): x_max_parm_reg is now unsigned.
5801 * gcse.c (max_gcse_regno): Now unsigned.
5802 (struct null_pointer_info): min_reg and max_reg now unsigned.
5803 (lookup_set, next_set): REGNO arg now unsigned.
5804 (compute_hash_table): REGNO and I now unsigned.
5805 (handle_avail_expr): regnum_for_replacing now unsigned.
5806 (cprop_insn): REGNO now unsigned.
5807 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
5808 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
5809 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
5810 * hard-reg-set.h (reg_class_size): Now unsigned.
5811 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
5812 * jump.c (mark_modified_reg): I now unsigned; add cast.
5813 (rtx_equal_for_thread_p): Add cast.
5814 * loop.c (max_reg_before_loop): Now unsigned.
5815 (struct_movable): REGNO now unsigned.
5816 (try_copy_prop): REGNO arg unsigned.
5817 (regs_match_p): XN and YN now unsigned.
5818 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
5819 (strength_reduce): Likewise; NREGS also unsigned.
5820 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
5821 * loop.h (struct iv_class): REGNO now unsigned.
5822 (max_reg_before_loop, first_increment_giv, last_increment_giv):
5824 * machmode.h (mode_size, mode_unit_size): Now unsigned.
5825 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
5826 * optabs.c (expand_binop): I and NWORDS now unsigned.
5827 (expand_unop): I now unsigned.
5828 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
5829 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
5830 * real.c (significand_size): Now returns unsigned.
5831 * real.h (significand_size): Likewise.
5832 * regclass.c (reg_class_size): Now unsigned.
5833 (choose_hard_reg_mode): Both operands now unsigned.
5834 (record_reg_classes): REGNO and NR now unsigned.
5835 (reg_scan): NREGS now unsigned.
5836 (reg_scan_update): old_max_regno now unsigned.
5837 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
5838 * reload.c (find_valid_class): BEST_SIZE now unsigned.
5839 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
5840 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
5841 Likewise for variable R.
5842 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
5843 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
5844 (find_equiv_reg): Add casts.
5845 (regno_clobbered_p): Arg REGNO now unsigned.
5846 * reload.h (struct reload): NREGS now unsigned.
5847 (refers_to_regno_for_reload_p): Regno args are unsigned.
5848 (regno_clobbered_p): Likewise.
5849 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
5850 (compute_use_by_pseudos): REGNO now unsigned.
5851 (find_reg): I and J now unsigned, new variable K, and change loop
5852 variables accordingly; THIS_NREGS now unsigned.
5853 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
5854 (spill_hard_reg): REGNO arg now unsigned; add casts.
5855 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
5856 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
5857 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
5858 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
5859 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
5860 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
5861 (emit_reload_insns): REGNO now unsigned.
5862 (reload_cse_move2add): Add cast.
5863 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
5865 * resource.c (mark_referenced_resources, mark_set_resources): New
5866 variable R; REGNO and LAST_REGNO now unsigned.
5867 (mark_target_live_regs): J and REGNO now unsigned.
5868 * rtl.c (mode_size, mode_unit_size): Now unsigned.
5869 * rtl.h (union rtunion_def): New field rtuint.
5870 (XCUINT): New macro.
5871 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
5872 (operand_subword, operand_subword_force): Word number is unsigned.
5873 (choose_hard_reg_mode): Operands are unsigned.
5874 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
5875 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
5876 (regno_use_in, combine_instructions, remove_death): Likewise.
5877 (reg_scan, reg_scan_update): Likewise.
5878 (extended_count): Return is unsigned.
5879 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
5880 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
5881 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
5882 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
5883 (reg_reg_last_1): FIRS and LAST now unsigned.
5884 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
5885 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
5887 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
5888 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
5889 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
5890 (replace_regs): Arg NREGS now unsigned.
5891 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
5892 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
5893 (simplify_binary_operation): Likewise.
5894 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
5895 THIS_LAST now unsigned.
5896 (cselib_record_set): Add cast.
5897 * ssa.c (ssa_max_reg_num): Now unsigned.
5898 (rename_block): REGNO now unsigned.
5899 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
5901 (all_cases_count): Just return -1 not -2.
5902 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
5903 Rework tests to use trees whenever possible.
5904 Use host_integerp and tree_low_cst.
5905 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
5906 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
5907 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
5908 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
5909 (smallest_mode_for_size): Likewise.
5910 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
5911 KNOWN_ALIGN is now an alignment, so simplify code.
5912 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
5913 (start_record_layout): Renamed from new_record_layout_info.
5914 Update to new fields.
5915 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
5917 (place_union_field): Renamed from layout_union_field.
5918 Update to use new fields in rli.
5919 (place_field): Renamed from layout_field.
5920 Major rewrite to use new fields in rli; pass alignment to layout_decl.
5921 (finalize_record_size): Rework to use new fields in rli and handle
5923 (compute_record_mode): Rework to simplify and to use new DECL fields.
5924 (finalize_type_size): Make rounding more consistent.
5925 (finish_union_layout): Deleted.
5926 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
5927 (layout_type, case RECORD_TYPE): Call new function names.
5928 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
5929 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
5930 (get_best_mode): UNIT is now unsigned; remove casts.
5931 * tree.c (bit_position): Compute from new fields.
5932 (byte_position, int_byte_position): New functions.
5933 (print_type_hash_statistics): Cast to remove warning.
5934 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
5935 (build_index_type): Likewise; make subtype of sizetype.
5936 (build_index_2_type): Pass sizetype to build_range_type.
5937 (build_common_tree_nodes): Use size_int and bitsize_int to
5938 initialize nodes; add bitsize_{zero,one,unit}_node.
5939 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
5940 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
5941 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
5942 (DECL_FIELD_BITPOS): Deleted.
5943 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
5944 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
5945 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
5946 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
5947 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
5948 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
5949 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
5950 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
5951 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
5952 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
5953 (DECL_ALIGN): Adjust to new field in union.
5954 (DECL_OFFSET_ALIGN): New field.
5955 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
5956 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
5957 (union tree_decl): Add struct for both aligns.
5958 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
5959 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
5960 (struct record_layout_info): Rework fields to have offset
5961 alignment and byte and bit position.
5962 (start_record_layout, place_field): Renamed from old names.
5963 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
5964 (byte_position, int_byte_position): Likewise.
5965 (get_inner_reference): Change types of position and length.
5966 * unroll.c (unroll_loop): New variable R; use for some loops.
5967 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
5968 (calculate_giv_inc): Arg REGNO now unsigned.
5969 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
5970 * varasm.c (assemble_variable): Clean up handling of size using
5971 host_integerp and tree_low_cst.
5972 (decode_addr_const): Use byte, not bit, position.
5973 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
5974 use tree_low_cst and int_bit_position.
5975 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
5977 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
5979 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
5980 (reorder_block_def): New members eff_head and eff_end.
5981 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
5982 (verify_insn_chain): New function.
5983 (skip_insns_between_block): Add code to skip deleted insns.
5984 Check for note before using.
5985 (chain_reorder_blocks): Replace calls to skip_insns_between_block
5986 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
5987 Check for note before using.
5988 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
5989 (fixup_reorder_chain): Restructure, clean up, defect removal.
5990 (reorder_basic_blocks): Remove last_insn and references to it.
5991 Moved insn chain verification code into a new function (see above).
5992 Delete defective code that sets last insn.
5993 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
5996 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5998 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
6000 2000-03-24 Richard Henderson <rth@cygnus.com>
6002 * tree.c (lang_safe_for_unsave): Remove.
6003 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
6004 allowing for two levels of unsafeness. Remove lang hook.
6005 * tree.h: Update declarations.
6006 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
6007 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
6008 Always fail sibcalls when there are pending cleanups.
6010 2000-03-24 Geoff Keating <geoffk@cygnus.com>
6012 * flow.c (propagate_block): When we delete an ADDR_VEC,
6013 also delete the BARRIER following it if there is one.
6015 2000-03-24 Richard Henderson <rth@cygnus.com>
6017 * builtins.c (expand_builtin_bzero): Convert `length' argument
6020 2000-03-24 Jakub Jelinek <jakub@redhat.com>
6022 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
6023 comparison if regno's are equal.
6024 * calls.c (initialize_argument_informat): Add ecf_flags argument.
6025 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
6026 (expand_call): Update caller.
6027 Avoid making a sibling call if argument size of the callee is larger
6028 than argument size of the caller.
6029 Call hard_function_value with outgoing set if in sibcall pass.
6030 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
6032 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
6033 Change LEAF_REGISTERS from an array initializer to actual array
6034 identifier. Move static global variable into the function.
6035 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
6036 sequences for leaf functions.
6037 * global.c (global_alloc): Likewise.
6038 * tm.texi (LEAF_REGISTERS): Update documentation.
6040 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
6041 TARGET_FLAT leaf disabling hack.
6042 (LEAF_REGISTERS): Changed from an array initializer to actual array
6043 identifier to avoid duplication and remove the above hack.
6044 (FUNCTION_OK_FOR_SIBCALL): Define.
6045 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
6046 always like call attribute.
6047 (eligible_for_sibcall_delay): New attribute.
6048 (sibcall): New delay type.
6049 (sibcall, sibcall_value, sibcall_epilogue): New expands.
6050 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
6051 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
6052 * config/sparc/sparc.c (sparc_leaf_regs): New array.
6053 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
6055 (output_function_epilogue): Move part of the code into
6056 output_restore_regs.
6057 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
6059 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
6062 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
6063 until infrastructure is finished.
6065 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
6067 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
6068 (save_parm_insns): Not here.
6070 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6072 * builtins.c (expand_builtin_bzero): New function.
6073 (expand_builtin): Handle bzero.
6075 * builtins.def: Add BUILT_IN_BZERO.
6077 * c-common.c (c_common_nodes_and_builtins): Provide builtin
6078 prototype & function for bzero.
6080 2000-03-23 Michael Meissner <meissner@redhat.com>
6082 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
6083 change adding TARGET_FP to the TF floating point insns, except for
6084 trunctfsf2, which generates direct calls to truncdfsf2.
6086 2000-03-23 Geoff Keating <geoffk@cygnus.com>
6088 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
6089 try to protect against middle-end changes that break binary
6091 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
6093 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6095 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
6097 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6099 * calls.c (expand_call): If TARGET is passed by reference and
6100 is readonly, write a CLOBBER.
6102 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6104 * builtins.c (expand_builtin): Handle bcmp.
6106 * builtins.def: Add BUILT_IN_BCMP.
6108 * c-common.c (c_common_nodes_and_builtins): Provide builtin
6109 prototype & function for bcmp.
6111 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
6113 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
6114 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
6115 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
6117 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
6119 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
6120 alternative when using -fp64 -gp32.
6122 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
6124 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
6125 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
6126 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
6128 * frame.h (frame_state): Revert last change.
6129 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
6130 * libgcc2.c (throw_helper): Revert last change.
6132 2000-03-22 Richard Henderson <rth@cygnus.com>
6134 * stmt.c (expand_asm_operands): Don't promote the temporary.
6136 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
6138 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
6139 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
6140 c_get_alias_set): Likewise.
6141 * c-decl.c (duplicate_decls): Likewise.
6142 * c-typeck.c (default_conversion,build_unary_op): Likewise.
6143 * calls.c (initialize_argument_information): Likewise.
6144 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
6146 * dwarfout.c (decl_class_context,output_type): Likewise.
6147 * expr.c (get_inner_reference): Likewise.
6148 * fold-const.c (simple_operand_p,fold): Likewise.
6149 * function.c (aggregate_value_p): Likewise.
6150 * stmt.c (expand_asm_operands): Likewise.
6151 * varasm.c (named_section): Likewise.
6153 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
6155 Implement dwarf2 exception handling for the ARM.
6156 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
6157 (DWARF_FRAME_RETURN_COLUMN): Define.
6158 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
6159 REG_FRAME_RELATED_EXPR note.
6160 (emit_sfm): Likewise.
6161 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
6162 * dwarf2out.c (reg_save): Handle saving a register to itself.
6163 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
6164 * except.c (eh_regs): Don't use the static chain reg if it's
6166 * frame.h (frame_state): Add cfa_saved field.
6167 * frame.c (execute_cfa_insn): Set it.
6168 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
6170 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
6172 (instantiate_virtual_regs): Adjust.
6174 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
6175 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
6176 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
6178 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
6179 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
6181 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6183 * builtins.def: New file.
6185 * Makefile.in (TREE_H): Depend on builtins.def.
6187 * builtins.c (built_in_names): Use builtins.def.
6189 * tree.h (built_in_function): Likewise.
6191 2000-03-22 Mark Mitchell <mark@codesourcery.com>
6193 * tree.c (size_in_bytes): Return size_zero_node, not
6196 2000-03-22 Geoff Keating <geoffk@cygnus.com>
6198 * config/fp-bit.c (pack_d): Correct the case when a denormal
6199 is rounded up and stops being denormal.
6201 2000-03-21 Richard Henderson <rth@cygnus.com>
6203 * config/alpha/alpha.c (function_arg): Check for void_type_node
6204 before using MUST_PASS_IN_STACK.
6206 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
6208 * regmove.c (combine_stack_adjustments_for_block): Check that
6209 the stack pointer is a valid memory address.
6211 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
6213 * calls.c: re-install Mar 16 emit_library_call merge.
6215 2000-03-21 Jakub Jelinek <jakub@redhat.com>
6217 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
6218 we cannot be sure that if reload_completed base register will
6219 be properly aligned.
6221 2000-03-21 Richard Henderson <rth@cygnus.com>
6223 * flow.c (delete_block): Fix typo last change.
6225 2000-03-21 Mark Mitchell <mark@codesourcery.com>
6227 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
6228 not COMPLETE_TYPE_P, to check the type of the expression.
6230 2000-03-21 Michael Meissner <meissner@redhat.com>
6232 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
6233 all floating point insns that just tested the macro
6234 TARGET_HAS_XFLOATING_LIBS.
6235 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
6236 used to only use the gprs.
6238 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
6240 * tree.h (COMPLETE_TYPE_P): New macro.
6241 (COMPLETE_OR_VOID_TYPE_P): New macro.
6242 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
6243 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
6244 * c-aux-info.c (gen_type): Use them.
6245 * c-common.c (c_expand_expr_stmt): Likewise.
6246 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
6247 grokdeclarator, grokparms, finish_struct, start_function,
6248 store_parm_decls, combine_parm_decls): Likewise.
6249 * c-parse.y (cast_expr): Likewise.
6250 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
6251 c_size_in_bytes, c_alignof, build_component_ref,
6252 build_indirect_ref, build_array_ref, convert_arguments,
6253 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
6254 * calls.c (initialize_argument_information): Likewise.
6255 * convert.c (convert_to_integer): Likewise.
6256 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
6257 * dwarfout.c (location_or_const_value_attribute,
6258 output_enumeration_type_die, output_structure_type_die,
6259 output_union_type_die, output_type): Likewise.
6260 * expr.c (safe_from_p, expand_expr): Likewise.
6261 * function.c (assign_parms): Likewise.
6262 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
6263 * tree.c (build_array_type, build_function_type,
6264 build_method_type, build_offset_type, build_complex_type): Likewise.
6265 * c-parse.c, c-parse.h: Regenerated.
6267 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6269 * config/c4x/rtems.h: Include config/rtems.h.
6271 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
6273 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
6274 decl is a FUNCTION_DECL
6276 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
6278 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
6279 function uses output registers. Don't save RP for leaf functions.
6280 Do save RP even if no epilogue.
6281 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
6282 (CALL_USED_REGISTERS): Unmark in registers.
6283 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
6286 2000-03-20 Geoff Keating <geoffk@cygnus.com>
6288 * config/rs6000/rs6000.md (bunordered): New expander.
6289 (bordered): New expander.
6290 (buneq): New expander.
6291 (bunge): New expander.
6292 (bungt): New expander.
6293 (bunle): New expander.
6294 (bunlt): New expander.
6295 (bltgt): New expander.
6297 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
6298 (ccr_bit_negated_p): New function.
6299 (print_operand): For %C, generate appropriate cror for UNEQ,
6300 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
6302 2000-03-20 Andreas Jaeger <aj@suse.de>
6304 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
6307 * tree.h (safe_for_unsave): Prototype.
6309 2000-03-20 Richard Henderson <rth@cygnus.com>
6311 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
6312 (combine_stack_adjustments_for_block): Don't allow sp references
6313 in the side of a set we're not fixing up.
6314 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
6315 after life_analysis.
6317 2000-03-20 Richard Henderson <rth@cygnus.com>
6319 * calls.c (expand_call): Don't bother generating tail call
6320 sequences if there are pending cleanups. Use
6321 expand_start_target_temps/expand_end_target_temps to elide
6322 cleanups created during sibcall expansion.
6324 2000-03-20 Geoff Keating <geoffk@cygnus.com>
6326 * configure.in: Set $IFS to a value if it doesn't already have one
6327 in the --enable-checking handling.
6328 * configure: Regenerate.
6330 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6332 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
6333 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
6336 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
6338 * jump.c (delete_noop_moves): Remove code attempting to
6339 combine stack adjustments.
6341 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6343 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
6344 * except.c (emit_cleanup_handler): Use them.
6345 (expand_end_all_catch): Likewise.
6346 * function.c (fixup_var_refs): Likewise.
6347 (expand_function_end): Clear catch_clauses_last.
6348 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
6349 * except.h (struct eh_status): New field x_catch_clauses_last.
6350 (catch_clauses_last): New define.
6352 * Makefile.in (tree.o): Depend on HASHTAB_H.
6353 * tree.c: Include hashtab.h.
6354 (struct type_hash): Remove next field.
6355 (TYPE_HASH_SIZE): Remove.
6356 (TYPE_HASH_INITIAL_SIZE): New define.
6357 (type_hash_table): Change type to htab_t.
6358 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
6359 mark_hash_entry): New functions.
6360 (init_obstacks): Allocate type hash.
6361 (type_hash_lookup): Use htab functions.
6362 (type_hash_add, mark_type_hash): Likewise.
6363 (dump_tree_statistics): Call print_type_hash_statistics.
6365 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6367 * rs6000/t-aix41: New file.
6369 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
6371 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
6373 * tm.texi (Driver): Fix typos and tweak entry for
6375 Move misplaced STRUCT_FORCE_BLK entry ...
6376 (Storage Layout): ... to here.
6377 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
6379 2000-03-19 Richard Henderson <rth@cygnus.com>
6381 * flow.c (delete_block): Delete the addr_vec along with the block.
6382 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
6385 * fold-const.c (extract_muldiv): Apply type check for defined
6386 overflow to multiply as well as divide.
6388 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
6390 2000-03-18 Mark Mitchell <mark@codesourcery.com>
6392 * emit-rtl.c (remove_unncessary_notes): Check that all
6393 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
6394 associated NOTE_BLOCK.
6395 * function.h (identify_blocks): Update comments.
6396 (reorder_blocks): Declare.
6397 * function.c (identify_blocks): Don't take paramters.
6398 (reorder_blocks): Don't take parameters.
6399 * loop.h (find_loop_tree_blocks): Remove.
6400 (unroll_block_trees): Likewise.
6401 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
6402 reorder_blocks instead of unroll_block_trees.h
6403 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
6404 * stmt.c (find_loop_tree_blocks): Remove.
6405 (unroll_block_trees): Likewise.
6406 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
6407 in whole-function mode.
6408 * tree.h (reorder_blocks): Remove declaration.
6410 * expr.c: Include intl.h.
6411 * Makefile.in (expr.o): Depend on intl.h.
6413 2000-03-18 Richard Henderson <rth@cygnus.com>
6415 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
6417 2000-03-18 Mark Mitchell <mark@codesourcery.com>
6419 * tree.h (tree_index): Remove enumerals for integer types.
6420 (integer_type_kind): New type.
6421 (integer_types): New variable.
6422 (char_type_node): Adjust.
6423 (signed_char_type_node): Likewise.
6424 (unsigned_char_type_node): Likewise.
6425 (short_integer_type_node): Likewise.
6426 (short_unsigned_type_node): Likewise.
6427 (integer_type_node): Likewise.
6428 (unsigned_type_node): Likewise.
6429 (long_integer_type_node): Likewise.
6430 (long_unsigned_type_node): Likewise.
6431 (long_long_integer_type_node): Likewise.
6432 (long_long_unsigned_type_node): Likewise.
6433 * tree.c (integer_types): New variable.
6434 (init_obstacks): Register it as a root.
6436 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
6438 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
6439 NEXT_INSN. Update last insn in chain.
6441 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
6443 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
6444 with TYPE_DECL_SUPPRESS_DEBUG set.
6446 2000-03-18 Richard Henderson <rth@cygnus.com>
6448 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
6450 2000-03-18 Richard Henderson <rth@cygnus.com>
6452 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
6453 care for HALF_PIC_P.
6454 (expander_call_insn_operand): Remove.
6455 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
6456 * i386.h (PREDICATE_CODES): Update.
6457 * i386.md (all call expanders): Remove predicates, remove special
6458 handling for half-pic.
6459 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
6460 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
6461 (sibcall_epilogue): New.
6463 2000-03-17 Richard Henderson <rth@cygnus.com>
6465 * rtlanal.c (single_set): Reject if the parallel has anything
6466 except SET or USE or CLOBBER.
6468 2000-03-17 Jeff Law <law@cygnus.com>
6469 Richard Henderson <rth@cygnus.com>
6471 * Makefile.in (OBJS): Add sibcall.o.
6473 * sibcall.c: New file.
6474 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
6475 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
6476 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
6477 Emit sibcall patterns when requested. Update all callers.
6478 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
6479 elimination seems feasable.
6480 * final.c (leaf_function_p): Sibling calls don't discount being
6482 * flow.c (HAVE_sibcall_epilogue): Provide default.
6483 (find_basic_blocks_1): Sibling calls don't throw.
6484 (make_edges): Make edge from sibling call to EXIT.
6485 (propagate_block): Don't remove sibcall_epilogue insns.
6486 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
6487 (sibcall_epilogue): New.
6488 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
6489 (identify_blocks_1): Likewise. Break out from ...
6490 (identify_blocks): ... here.
6491 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
6492 (reorder_blocks): ... here.
6493 (init_function_for_compilation): Zap prologue/epilogue as varrays.
6494 (record_insns): Extend a varray instead of mallocing new memory.
6495 (contains): Read a varray not array of ints.
6496 (sibcall_epilogue_contains): New.
6497 (thread_prologue_and_epilogue_insns): Emit and record
6498 sibcall_epilogue patterns.
6499 (init_function_once): Allocate prologue/epilogue varrays.
6500 * genflags.c (gen_insn): Treat sibcall patterns as calls.
6501 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
6503 (save_for_inline_nocopy): ... here.
6504 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
6506 (expand_inline_function): ... here.
6507 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
6508 (subst_constants): Handle 'n' formats.
6509 * jump.c (jump_optimize_minimal): New.
6510 (jump_optimize_1): New arg `minimal'; update callers. Elide most
6511 optimizations if it's set.
6512 * rtl.c (copy_rtx): Do copy jump & call for insns.
6513 * rtl.h (struct rtx_def): Document use of jump and call for insns.
6514 (SIBLING_CALL_P): New.
6515 (sibcall_use_t): New.
6516 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
6517 Invoke optimize_sibling_and_tail_recursive_calls.
6518 * tree.c (lang_safe_for_unsave): New.
6519 (safe_for_unsave): New.
6520 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
6522 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
6523 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
6524 (*sibcall_osf_1, *sibcall_value_osf_1): New.
6526 2000-03-17 Mark Mitchell <mark@codesourcery.com>
6528 * objc/objc-act.c (encode_method_prototype): Pass types, not
6529 PARM_DECLs, to int_size_in_bytes.
6531 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
6533 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
6535 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6536 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
6538 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6540 * Clean up usages of TREE_INT_CST_LOW.
6541 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
6542 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
6544 * c-tree.h (min_precision): Move declaration to here.
6545 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
6546 (build_unary_op, add_pending_init): Use bit_position.
6547 (pending_init_member, process_init_element): Likewise.
6548 (really_start_incremental_init, push_init_level, pop_init_level):
6549 Don't make copies of nodes or modify them in place, use consistent
6550 types when tracking positions, and use tree routines computations.
6551 (set_init_index, output_init_element): Likewise.
6552 (output_pending_init_elements, process_init_element): Likewise.
6553 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
6554 tree_low_cst and int_bit_position; also minor cleanup.
6555 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
6556 (print_cst_octal): Precision is unsigned.
6557 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
6558 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
6559 (simple_type_align_in_bits): Result is unsigned int.
6560 Use tree_int_low_cst and host_integerp.
6561 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
6562 (field_byte_offset): Result is HOST_WIDE_INT.
6563 Change types of internal variables so alignments are unsigned int,
6564 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
6565 Use host_integerp, tree_low_cst, and int_bit_position.
6566 (add_bit_offset_attribute): Likewise.
6567 (add_data_member_location_attribute): Use tree_cst_low.
6568 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
6569 (add_bit_size_attribute): Use tree_low_cst.
6570 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
6571 * dwarfout.c: Similar changes to dwarf2out.c.
6572 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
6573 * genoutput.c (n_occurences): Return -1 for null string.
6574 (strip_whitespace): Accept null string and make into function.
6575 (scan_operands): Reflect above changes.
6576 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
6577 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
6578 * ssa.c (rename_registers): Add missing cast of arg to bzero.
6579 * tree.c (int_size_in_bytes): Check for too big to represent.
6580 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
6581 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
6583 (min_precision): Delete from here.
6584 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
6585 and int_bit_position.
6586 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
6587 (encode_method_def): Likewise.
6588 (build_ivar_list_initializer): Use int_bit_position.
6589 (generate_shared_structures): Convert size.
6590 (encode_type, encode_complete_bitfield): Use integer_zerop.
6591 (encode_bitfield): Use tree_low_cst and int_bit_position.
6593 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6595 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
6597 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6599 * call.c (special_function_p): It is only malloc if it returns
6602 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6604 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
6605 (C33_FLAG, TARGET_C3X): Add macros.
6606 (TARGET_SWITCHES): Add -m33 option.
6607 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
6609 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6611 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
6612 (PARALLEL_PACK_FLAG): Delete.
6613 (TARGET_SWITCHES): Update.
6614 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
6616 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6618 * fold-const.c (fold): Fix a few cases when the returned result
6619 is not of the same type as the input.
6621 2000-03-16 Nick Clifton <nickc@cygnus.com>
6623 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
6626 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6628 * libgcc2.h: Move prototypes above macros with the same name.
6629 Wrap some function prototypes in the conditional which indicates
6630 whether they are supported, i.e. "BITS_PER_UNIT == 8".
6632 2000-03-16 Richard Henderson <rth@cygnus.com>
6634 * calls.c: Revert last two changes.
6636 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
6638 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
6639 has exponent 0 is a zero.
6641 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
6642 HASH may already be nonzero. Add code/mode into hash value
6643 immediately after repeat label.
6644 (cselib_lookup): Don't leave the hash table in an inconsistent
6645 state before a hash lookup operation.
6647 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
6649 * i386.md (all HI and QI mode non-move patterns): Conditionize
6650 by TARGET_[HQ]IMODE_MATH.
6651 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
6652 x86_promote_qi_regs): Declare.
6653 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
6654 TARGET_PROMOTE_QI_REGS): New macros.
6655 (PROMOTE_MODE): New macro.
6656 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
6657 x86_promote_qi_regs): New global variables.
6659 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
6661 * calls.c (emit_library_call_value_1): Break out from ...; handle
6662 VOIDmode function calls too.
6663 (emit_library_call_value): ... here.
6664 (emit_library_call): Implement by calling emit_library_call_value_1.
6666 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
6668 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
6669 Update arg_space_so_far on stack adjustments.
6670 (emit_library_call, emit_library_call_value): Likewise; take into
6671 account arg_space_so_far and pending_stack_adjust when calculcating
6674 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
6676 * flow.c: Move all basic block reordering code into its own file.
6677 (create_basic_block): Externalize.
6678 * bb-reorder.c: New file. Copy all basic block reordering code from
6679 flow.c to this file.
6680 (reorder_basic_blocks): Fix fencepost error in for-loop.
6681 (reorder_basic_blocks): Remove braces from single statement for-loops.
6682 * basic-block.h: Add declaration for create_basic_block.
6683 * Makefile.in: Add rules for bb-reorder.o.
6685 2000-03-16 Neil Booth <NeilB@earthling.net>
6687 * cppinit.c (handle_option): Implement #unassert directive
6688 as -A- command line option.
6689 (print_help): Update.
6690 * cpptexi.c: Update.
6692 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
6694 * md.texi (Standard Names): Document `jump'.
6696 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
6698 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
6701 2000-03-15 Geoff Keating <geoffk@cygnus.com>
6703 Merge changes from newppc-branch onto trunk.
6705 2000-03-15 Geoff Keating <geoffk@cygnus.com>
6707 * rs6000.c (toc_hash_table): Update for new hash table functions.
6708 (toc_hash_function): Likewise.
6709 (toc_hash_eq): Likewise.
6710 (toc_hash_mark_entry): Likewise.
6711 (toc_hash_mark_table): Likewise.
6712 (output_toc): Likewise.
6713 (rs6000_add_gc_roots): Likewise.
6715 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6717 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
6718 (AR_FLAGS_FOR_TARGET): here. New macro.
6720 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
6722 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
6723 fpmem_operand) Delete.
6725 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
6726 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
6727 (rs6000_save_machine_status, rs6000_restore_machine_status,
6728 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
6729 references to above variables.
6730 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
6731 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
6732 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
6733 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
6734 (XER_REGNO_P, XER_REGNO): New.
6735 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
6736 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
6737 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
6739 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
6740 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
6741 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
6743 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6745 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
6746 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
6747 * rs6000.h: from here.
6749 * rs6000-protos.h (rs6000_select_section): Provide prototype.
6750 (rs6000_select_rtx_section): Likewise.
6751 (rs6000_encode_section_info): Likewise.
6752 (sdata_section): Likewise.
6753 (sdata2_section): Likewise.
6754 (sbss_section): Likewise.
6755 * sysv4.h (rs6000_select_section): Delete prototype.
6756 (rs6000_select_rtx_section): Likewise.
6757 (rs6000_encode_section_info): Likewise.
6758 (sdata_section): Likewise.
6759 (sdata2_section): Likewise.
6760 (sbss_section): Likewise.
6761 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
6763 * sysv4.h: Delete various unnecessary #undef's and put a comment
6764 on the remaining ones.
6765 Change various comments according to coding standard.
6767 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
6769 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
6770 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
6771 (CR0_REGNO_P) Remove.
6772 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
6773 setup_incoming_varargs, mtcrf_operation, print_operand,
6774 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
6775 Use the above macros.
6777 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
6779 * config/rs6000/rs6000.md: Added a new alternative for each
6780 pattern that had a 'x' alternative but no 'y' alternative.
6781 Added a new split for each of the above patterns.
6783 2000-02-18 Geoff Keating <geoffk@cygnus.com>
6785 * aix41.h (ASM_CPU_SPEC): Delete.
6786 (CPP_CPU_SPEC): Delete.
6788 * aix.h (RS6000_OUTPUT_BASENAME): Define.
6789 (ASM_OUTPUT_LABEL): Define.
6790 (ASM_GLOBALIZE_LABEL): Define.
6791 (STRIP_NAME_ENCODING): Define.
6792 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
6793 (STRIP_NAME_ENCODING): Don't define.
6794 (ASM_OUTPUT_LABEL): Don't define.
6795 (ASM_GLOBALIZE_LABEL): Don't define.
6796 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
6797 names, and ASM_OUTPUT_LABEL to output labels, rather than
6799 (ASM_OUTPUT_LABEL): Define.
6800 (ASM_OUTPUT_INT): Use assemble_name.
6801 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
6802 (STRIP_NAME_ENCODING): Don't undefine first.
6803 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
6805 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
6806 specified with 'asm' even with -fleading-underscore.
6807 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
6808 (output_epilog): Likewise.
6809 (output_toc): Likewise.
6810 * tramp.asm: Handle -fleading-underscore correctly.
6812 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
6814 (nonlocal_goto_receiver): Delete.
6815 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
6817 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
6818 (SET_ASM_OP): Define.
6819 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
6821 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
6824 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
6825 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
6827 * rs6000.h: Add 'u' to more constants.
6829 2000-02-18 David Edelsohn <edelsohn@gnu.org>
6831 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
6833 2000-02-15 David Edelsohn <edelsohn@gnu.org>
6835 * rs6000.c (reg_or_u_cint_operand): New function.
6836 (logical_operand): Handle 64-bit hosts.
6837 (logical_u_operand): New function.
6838 (non_logical_cint_operand): Handle 64-bit hosts.
6839 (non_logical_u_cint_operand): New function.
6840 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
6841 (PREDICATE_CODES): Define new functions.
6842 * rs6000-protos.h: Declare new functions.
6843 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
6844 (movdi_64): Bracket code intended for 64-bit hosts. Create
6845 CONST_DOUBLE for 32-bit values.
6846 (scc insns): Generate DImode compares.
6847 (mfcr insns): Create DImode versions.
6848 (sge matchers): New patterns.
6850 2000-02-15 Gabriel Paubert <paubert@iram.es>
6852 * rs6000.md: Correct instructions length attributes and
6853 constraints on unsigned compare instructions.
6854 (*ne0): Disable for PowerPC64.
6856 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6858 * rs6000.c (output_function_profiler): Use .long for a 32-bit
6859 quantity, fix profile1.C test failure under -fPIC.
6861 * rs6000.c: Add 'u' to many constants to suppress warnings.
6862 (constant_pool_expr_1): Make static.
6863 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
6864 * rs6000.h: Add 'u' to many constants to suppress warnings.
6866 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
6867 for the start of the TOC, instead of LCTOC..0.
6868 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
6870 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
6871 (load_toc_aix_di): Use LCTOC..1.
6873 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
6874 * rs6000.c (rs6000_legitimize_address): New function from
6875 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
6876 symbols in the constant pool that really are TOC references.
6877 (print_operand_address): For ELF, write TOC offsets under
6878 -fPIC as subtractions in the insn.
6879 (output_toc): For ELF, define symbols in TOC as normal labels,
6881 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
6882 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
6883 (create_TOC_reference): Prototype only when RTX_CODE is defined.
6884 * rs6000.md (movsi): Only use create_TOC_reference on
6885 symbols in the constant pool that really are TOC references.
6887 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
6888 * rs6000.c (rs6000_reorg): Delete.
6889 * rs6000-protos.h (rs6000_reorg): Delete.
6891 2000-02-09 Geoff Keating <geoffk@cygnus.com>
6893 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
6895 * aix.h (SETUP_FRAME_ADDRESSES): Define.
6896 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
6897 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
6898 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
6899 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
6900 rs6000_aix_emit_builtin_unwind_init.
6901 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
6902 rs6000_emit_eh_toc_restore on AIX.
6903 (return_eh_si): Use r2.
6904 (return_eh_di): Use r2.
6906 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
6907 since we're breaking binary compatibility anyway.
6909 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
6911 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
6912 constant_pool_expr_p): Declare them.
6913 (constant_pool_expr_p): Declare it.
6914 * config/rs6000/rs6000.c (toc_label_name): Define.
6915 (rs6000_override_options): Set toc_label_name.
6916 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
6917 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
6918 uses_TOC): New functions.
6919 (print_operand): Delete old '*' case.
6920 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
6921 and strip off rtl for TOC before calling output_addr_const.
6922 (rs6000_emit_load_toc_table): Use toc_label_name.
6923 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
6925 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
6926 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
6927 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
6928 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
6929 into explicit TOC_REGISTER offsets.
6930 (TOC_REGISTER): New macro.
6931 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
6932 TARGET_TOC to reference TOC_REGISTER.
6933 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
6934 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
6935 uses_TOC before emitting label references.
6937 2000-02-05 Geoff Keating <geoffk@cygnus.com>
6939 * rs6000.md (stack_tie): Fix warning.
6941 * eabi-ctors.c: Use 'asm' names for the start/end variables,
6942 to handle -fleading-underscore.
6943 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
6944 (USER_LABEL_PREFIX): New macro.
6945 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
6946 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
6947 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
6948 call-linux can use the same multilibs.
6949 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
6950 and call-linux multilibs. Do multilib with -fleading-underscore.
6951 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
6952 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
6955 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
6956 have MASK_SOFT_FLOAT set.
6957 (CPP_FLOAT_DEFAULT_SPEC): New macro.
6958 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
6959 CPP_FLOAT_DEFAULT_SPEC.
6961 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
6962 * rs6000.md: Whitespace change.
6963 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
6964 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
6966 2000-02-05 Geoff Keating <geoffk@cygnus.com>
6968 * rs6000.md (eh_epilogue): New expander.
6969 (eh_reg_restore): New expand/split/insn combination.
6970 (return_eh_si): New insn.
6971 (return_eh_di): New insn.
6973 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
6974 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
6975 * eabi-ctors.c (__do_global_ctors): Register this object's
6976 frame. Clean up. Call atexit() after the constructors.
6977 (__do_global_dtors): Deregister this object's frame. Clean up.
6978 Allow for recursive calls to exit().
6979 * rs6000.c (fixuplabelno): New variable.
6980 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
6981 TARGET_RELOCATABLE, it slows down exec() under linux.
6982 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
6984 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
6985 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
6986 (ASM_OUTPUT_DWARF_DELTA2): New macro.
6987 (ASM_OUTPUT_DWARF_DELTA4): New macro.
6988 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
6989 (ASM_OUTPUT_DWARF_ADDR): New macro.
6990 (ASM_OUTPUT_DWARF_DATA4): New macro.
6991 (ASM_OUTPUT_DWARF_DATA2): New macro.
6992 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
6993 (ASM_OUTPUT_DWARF_OFFSET): New macro.
6994 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
6996 2000-02-03 Geoff Keating <geoffk@cygnus.com>
6998 * rs6000.c (rs6000_sr_alias_set): New variable.
6999 (rs6000_override_options): Initialise rs6000_sr_alias_set.
7000 (rs6000_emit_stack_tie): New function.
7001 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
7002 in a way that dwarf2out can understand.
7003 (rs6000_frame_related): New function.
7004 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
7005 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
7006 Use rs6000_emit_stack_tie when needed.
7007 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
7008 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
7009 * rs6000.md (stack_tie): New insn.
7010 (return_internal_si): Allow return value to be in the count
7012 (return_internal_di): Likewise.
7014 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
7016 2000-02-03 Geoff Keating <geoffk@cygnus.com>
7018 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
7020 2000-01-31 Geoff Keating <geoffk@cygnus.com>
7022 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
7024 * rs6000.md (stmw): Use the right POWER opcode.
7027 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7029 * rs6000-protos.h: New file.
7031 * rs6000.c: Include tm_p.h. Fix compile time warnings.
7033 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
7036 * sysv4.h: Likewise.
7038 2000-01-28 Geoff Keating <geoffk@cygnus.com>
7040 * ../../configure.in: Delete powerpcle-*-winnt*
7041 and powerpcle-*-pe|powerpcle-*-cygwin*.
7042 * ../../configure: Regenerated.
7044 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
7045 (TARGET_WINDOWS_NT): Delete.
7047 (CALL_NT_DLLIMPORT): Delete.
7048 Delete NT-specific code.
7049 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
7052 * nt-ci.asm: Delete.
7053 * nt-cn.asm: Delete.
7054 * ntstack.asm: Delete.
7056 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7058 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
7059 (ASM_FILE_START): Likewise.
7060 (ASM_DECLARE_FUNCTION_NAME): Likewise.
7061 (ASM_OUTPUT_LABELREF): Likewise.
7062 (ASM_OUTPUT_SKIP): Likewise.
7063 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
7064 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
7065 (ASM_OUTPUT_CASE_LABEL): Likewise.
7066 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
7067 (ASM_OUTPUT_ASCII): Likewise.
7069 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
7071 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
7072 reload_toc_labelno for non-prologue TOC reloads. Also, don't
7073 increment rs6000_pic_labelno here.
7074 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
7075 and increment rs6000_pic_labelno here.
7077 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
7079 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
7080 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
7081 allocation knows (reg) is dead before the insn.
7083 2000-01-21 Geoff Keating <geoffk@cygnus.com>
7085 * rs6000.md (movsi_to_cr): Correct typo in output template.
7087 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
7089 * rs6000.c (rs6000_pic_labelno): Always define.
7090 (rs6000_pic_func_labelno): Delete.
7091 (lmw_operation): Check for a zero base register,
7092 which doesn't mean what we want.
7093 (stmw_operation): New function.
7094 (print_operand): Define new 'l' modifier.
7095 (rs6000_stack_info): We must save all 64 bits of the registers
7096 if TARGET_POWERPC64.
7097 (rs6000_output_load_toc_table): Delete.
7098 (rs6000_emit_load_toc_table): New function.
7099 (rs6000_allocate_stack_space): Delete.
7100 (rs6000_emit_allocate_stack): New function.
7101 (rs6000_emit_prologue): New function.
7102 (output_prolog): Use rs6000_emit_prologue.
7103 (rs6000_emit_epilogue): Change a few variable names to be
7104 more accurate. Restore all 64 bits of the registers if
7105 TARGET_POWERPC64. Only restore the FP registers which were used
7106 if they are being saved/restored one-at-a-time.
7107 (output_mi_thunk): Delete inefficient code generation.
7108 (output_function_profiler): Don't use rs6000_output_load_toc_table.
7109 * rs6000.h: Declare rs6000_emit_load_toc_table,
7110 rs6000_allocate_stack_space, stmw_operation. Don't declare
7111 rs6000_output_load_toc_table.
7112 * rs6000.md (elf_high): Allow register 0, but discourage it
7114 (elf_low): Support loading into register 0.
7115 (load_toc_aix_si): New pattern.
7116 (load_toc_aix_di): New pattern.
7117 (load_toc_v4_pic_si): New pattern.
7118 (load_toc_v4_pic_di): New pattern.
7119 (load_toc_v4_PIC_1): New pattern.
7120 (load_toc_v4_PIC_1b): New pattern.
7121 (load_toc_v4_PIC_2): New pattern.
7122 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
7123 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
7124 (prologue): New expander.
7125 (movesi_from_cr): New pattern.
7126 (stmw): New pattern.
7127 (save_fpregs_si): New pattern.
7128 (save_fpregs_di): New pattern.
7130 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7132 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
7137 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7139 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
7141 (movsi_got_internal): Likewise.
7142 (movsi_got_internal+1): Likewise.
7143 (set_sp): 'unspec 7' does a SImode clobber.
7145 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7147 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
7148 allocate a stack temporary.
7149 (floatsidf2_internal): Likewise.
7150 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
7152 (floatunssidf2): Don't use the fpmem "register", just
7153 allocate a stack temporary.
7154 (floatunssidf2_internal): Likewise.
7155 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
7157 (floatsidf2_loadaddr): Delete.
7158 (floatsidf2_store1): Delete.
7159 (floatsidf2_store2): Delete.
7160 (floatsidf2_load): Delete.
7161 (fix_truncdfsi2): Don't use the fpmem "register", just
7162 allocate a stack temporary.
7163 (fix_truncdfsi2_internal_si): Delete.
7164 (fix_truncdfsi2_internal_di): Delete.
7165 (fix_truncdfsi2_internal): New insn.
7166 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
7167 (fix_truncdfsi2_store): Delete.
7168 (fix_truncdfsi2_load): Delete.
7169 (fctiwz): Produce gen_fctiwz.
7171 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
7173 * eabi.h (INVOKE__main): Define.
7174 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
7176 (rs6000_emit_prologue): Likewise.
7177 * rs6000.h (struct rs6000_stack): Don't keep track of whether
7178 this is the main program.
7180 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7182 * rs6000.c (rs6000_va_arg): Delete some unused variables.
7184 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7186 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
7187 goes after the argument.
7189 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7191 * rs6000.md: Document 'unspec' values used.
7192 (epilogue): New expander.
7193 (movesi_to_cr_one): New expander.
7194 (movesi_to_cr and following): New pattern.
7196 (return_internal_si): New pattern.
7197 (return_internal_di): New pattern.
7198 (return_and_restore_fpregs_si): New pattern.
7199 (return_and_restore_fpregs_di): New pattern.
7200 * rs6000.h: Declare new functions.
7201 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
7202 rather than rs6000_calls_p.
7203 (rs6000_makes_calls): Delete.
7204 (lmw_operation): New function.
7205 (mtcrf_operation): New function.
7206 (rs6000_emit_epilogue): New function.
7207 (output_epilog): Call rs6000_emit_epilogue and final if
7208 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
7210 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7212 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
7213 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
7214 * aix.h (SUBTARGET_SWITCHES): Document switches.
7215 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
7216 sched-prolog and sched-epilog the same. Document all the
7218 (TARGET_OPTIONS): No longer allow -mdebug-.
7220 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7222 * rs6000.h (ASM_FILE_END): Move to aix.h.
7223 (EXTRA_SECTIONS): Move to aix.h.
7224 (READONLY_DATA_SECTION): Move to aix.h.
7225 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
7226 (SELECT_SECTION): Move to aix.h.
7227 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
7228 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
7229 (LINK_REGISTER_REGNUM): New definition.
7230 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
7231 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
7233 * sysv4.h: Delete the code between the inclusion of rs6000.h
7235 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
7236 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
7237 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
7238 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
7239 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
7240 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
7241 (fix_truncdfsi2_internal_di): New pattern.
7242 (fix_truncdfsi2_store): The second arg here is Pmode too.
7243 (fix_truncdfsi2_load): The second arg here is Pmode too.
7244 (tablejumpdi): Now that switch tables hold only SImode values,
7245 gcc needs to know how to add them to the pc which is DImode.
7246 * rs6000.c (rs6000_stack_info): Use symbolic name for
7247 LINK_REGISTER_REGNUM.
7248 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
7249 (output_toc): Delete unused variables s1 and s2.
7250 (output_ascii): Use fputs not fprintf on a variable string.
7252 2000-01-07 David Edelsohn <edelsohn@gnu.org>
7254 * rs6000.c (processor_target_table): Add power3 as alias for 630.
7255 * aix43.h: Revert Aug 2 change.
7256 (HAS_INIT_SECTION): Define, not visible yet.
7257 (LD_INIT_SWITCH): Define, not visible yet.
7258 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
7260 2000-01-04 Joel Sherrill (joel@OARcorp.com>
7262 * config/rs6000/rtems.h: Include config/rtems.h.
7264 2000-01-04 David Edelsohn <edelsohn@gnu.org>
7266 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
7267 (SLOW_UNALIGNED_ACCESS): Define.
7268 (CASE_VECTOR_MODE): Always use 32-bit offsets.
7269 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
7270 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
7271 (toc_section): Likewise and .toc pseudo-op.
7272 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
7274 (TEXT_SECTION_ASM_OP): Likewise.
7275 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
7278 1999-12-17 Jakub Jelinek <jakub@redhat.com>
7280 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
7281 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
7284 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7286 * rs6000.h: Move more stuff from here...
7288 * sysv4.h: Cleanup accordingly.
7289 * netware.h: Likewise
7291 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7293 * rs6000.h: Continue cleanup.
7296 * netware.h: Likewise.
7298 * sysv4.h: Likewise.
7299 * win-nt.h: Likewise.
7301 * rs6000.h (TARGET_SWITCHES): Add descriptions.
7302 (TARGET_OPTIONS): Likewise.
7304 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
7305 (SUBTARGET_OPTIONS): Likewise.
7307 * rs6000.md: Fix compile time warnings.
7309 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7311 vxworks patches from the Cygnus tree originally by
7312 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
7313 <vmakarov@cygnus.com>.
7314 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
7315 (ENDFILE_SPEC): Likewise.
7316 (LIB_VXWORKS_SPEC): New macro.
7317 (STARTFILE_VXWORKS_SPEC): New macro.
7318 (ENDFILE_VXWORKS_SPEC): New macro.
7319 (LINK_START_VXWORKS_SPEC): New macro.
7320 (LINK_OS_VXWORKS_SPEC): New macro.
7321 (CPP_OS_VXWORKS_SPEC): New macro.
7322 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
7323 * vxppc.h: Rewrite to use proper configuration method.
7324 * vxppcle.h: New file.
7325 * ../../configure.in: Add powerpcle-wrs-vxworks*.
7326 * ../../configure: Rebuilt.
7328 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7330 Lots of changes to rs6000.h, sysv4.h, aix.h,
7331 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
7332 with the aim that rs6000.h is the first header
7333 included and the others override it.
7336 * x-aix41-gld: Remove.
7338 * x-aix41: Remove target-specific switches, and don't specify
7339 -Wl,-bbigtoc as we don't need it any more.
7340 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
7341 Use t-aix43 for AIX 4.3 and above.
7342 * ../../configure: Regenerated.
7344 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
7345 options, that don't do anything yet.
7346 (MASK_SCHED_PROLOG): New macro.
7347 (MASK_SCHED_EPILOG): New macro.
7348 (TARGET_SCHED_PROLOG): New macro.
7349 (TARGET_SCHED_EPILOG): New macro.
7351 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7353 * rs6000.c: Correct comment, the `minimal' TOCs are actually
7354 one per translation unit, not one per function.
7355 (output_toc): Also do duplicate constant elimination
7356 for per-translation-unit TOCs.
7358 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
7359 a comment explaining _exactly_ when this pattern gets used.
7360 (builtin_setjmp_receiver): New pattern for better clarity.
7361 (init_v4_pic): Move it into a section dealing with TOC registers.
7363 1999-12-30 Geoff Keating <geoffk@cygnus.com>
7365 * rs6000.c (toc_hash_table): New variable.
7366 (rs6000_hash_constant): New function.
7367 (toc_hash_function): New function.
7368 (toc_hash_eq): New function.
7369 (toc_hash_mark_entry): New function.
7370 (toc_hash_mark_table): New function.
7371 (output_toc): Don't output duplicate TOC entries in
7373 (rs6000_add_gc_roots): Add the hash table as a GC root.
7374 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
7375 where they clearly shouldn't be. This may need to be fixed
7376 later when there is a GNU ar for AIX.
7377 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
7378 Don't define BOOT_LDFLAGS as it is now not necessary.
7380 1999-12-29 Geoff Keating <geoffk@cygnus.com>
7382 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
7383 for va_list on AIX. Use unsigned_char_type_node rather than
7384 constructing our own version on svr4.
7386 1999-12-17 Geoff Keating <geoffk@cygnus.com>
7388 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
7389 since patently it's not.
7391 1999-12-08 Geoff Keating <geoffk@cygnus.com>
7393 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
7394 define_expand/define_insn pair, and handle restore of the
7395 SVR4 -fpic register.
7397 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
7399 * acconfig.h (HAVE_GAS_WEAK): New define.
7400 * configure.in (assembler weak support): Check for .weak support.
7401 * config.in, configure: Rebuilt.
7402 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
7403 HAVE_GAS_WEAK is defined.
7405 2000-03-15 Nick Clifton <nickc@cygnus.com>
7407 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
7410 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
7412 * cppfiles.c (open_include_file): New function.
7413 (find_include_file, cpp_read_file): Use it.
7415 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
7417 * cpphash.c (dump_hash_helper): Take the slot, not the element.
7419 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
7421 * flow.c (verify_flow_info): Check for unconditional return.
7423 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
7425 * config/ia64/ia64.md (restore_stack_nonlocal): New.
7426 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
7427 (__ia64_restore_stack_nonlocal): New.
7428 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
7430 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7432 * cpphash.c (collect_formal_parameters): Do not complain about
7433 parameter names that just start with `__VA_ARGS__'.
7435 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
7437 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
7438 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
7439 * i386.c (pentiumpro_cost): Set mul cost to 4.
7440 (x86_use_movx): Set for PPro.
7442 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
7444 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
7445 STACK_BOUNDARY for empty frames now.
7447 2000-03-14 Mark Mitchell <mark@codesourcery.com>
7449 * stor-layout.c (layout_union): Remove.
7450 (layout_union_field): New function, split out from layout_union.
7451 (finish_union_layout): Likewise.
7452 (layout_field): Handle unions by calling layout_union_field.
7453 (finish_record_layout): Handle unions.
7454 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
7455 QUAL_UNION_TYPE handling.
7457 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
7459 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
7460 end of basic block is jump_insn, not barrier; use create_basic_block
7461 instead of creating basic block by hand.
7463 2000-03-14 Jason Eckhardt <jle@cygnus.com>
7465 * flow.c (reorder_basic_blocks): Account for barriers when writing
7466 over NEXT_INSN (last_bb->end).
7467 (verify_flow_info): Add check for missing barriers.
7469 2000-03-14 Greg McGary <gkm@gnu.org>
7471 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
7472 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
7473 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
7474 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
7475 __unbounded, __unbounded__): New keywords.
7476 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
7477 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
7478 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
7480 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
7482 * cselib.h: New file.
7483 * alias.c: Include "cselib.h".
7484 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
7485 MEMs as two new arguments.
7486 (get_addr): New static function.
7487 (find_base_term): Handle VALUEs.
7488 (memrefs_conflict_p): Likewise.
7489 (true_dependence): Call get_addr on the addresses.
7490 Call fixed_scalar_and_varying_struct_p with addresses that have been
7491 passed through get_addr and canon_rtx.
7492 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
7493 with true_dependence.
7494 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
7495 * loop.c: Include "cselib.h".
7496 (load_mems): Process extended basic block that enters the loop with
7497 cselib. Use that information to change initialization of the shadow
7498 register so that a constant equivalence is seen by later passes.
7499 * reload1.c: Include "cselib.h".
7500 (reload_cse_invalidate_regno): Delete function.
7501 (reload_cse_mem_conflict_p): Likewise.
7502 (reload_cse_invalidate_mem): Likewise.
7503 (reload_cse_invalidate_rtx): Likewise.
7504 (reload_cse_regno_equal_p): Likewise.
7505 (reload_cse_check_clobber): Likewise.
7506 (reload_cse_record_set): Likewise.
7507 (reg_values): Delete static variable.
7508 (invalidate_regno_rtx): Likewise.
7509 (reload_cse_delete_noop_set): New static function.
7510 (reload_cse_simplify): New static function, broken out of
7512 (reload_cse_noop_set_p): Delete unused argument INSN.
7513 Just call rtx_equal_for_cselib_p on set source and destination.
7514 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
7515 reload_cse_delete_noop_set. Delete code to keep track of values; use
7516 cselib functions instead. Delete code to push/pop obstacks.
7517 (reload_cse_simplify_set): Use cselib to find equivalent values.
7518 Delete code to push/pop obstacks.
7519 (reload_cse_simplify_operands): Likewise.
7520 * rtl.def (VALUE): New rtx code.
7521 * rtl.h (union rtunion_def): New elt rt_cselib.
7522 (X0CSELIB, CSELIB_VAL_PTR): New macros.
7523 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
7524 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
7525 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
7526 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
7527 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
7528 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
7529 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
7530 cselib_record_set, cselib_record_sets): New static functions.
7531 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
7532 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
7533 references_value_p): New functions.
7534 (MAX_USELESS_VALUES, REG_VALUES): New macros.
7535 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
7536 n_useless_values, reg_values, callmem, cselib_obstack,
7537 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
7538 New static variables.
7539 * varray.h (union varray_data_tag): New elt te.
7540 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
7541 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
7544 2000-03-14 Nick Clifton <nickc@cygnus.com>
7546 * gcc.c (do_spec_1): Catch the case where %* is used in a
7547 substitution pattern, but it has not been initialised.
7548 Issue a meaningful error message if an unrecognised operator
7549 is encountered in a spec string.
7551 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
7553 * function.c (prepare_function_start): Correctly initialize
7554 cfun->stack_alignment_needed.
7556 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
7558 * cppfiles.c (find_include_file): Don't assume nshort is a
7561 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
7563 * configure.in (hppa configurations): Add pa32-regs.h to the
7564 list of tm files as appropriate.
7565 * configure: Rebuilt.
7566 * pa.c (compute_frame_size): Remove explicit knowledge about FP
7568 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
7569 (fmpyaddoperands, fmpysuboperands): Likewise.
7570 * pa.h: Remove various definitions which depend on knowing
7571 how registers are numbered.
7572 * pa32-regs.h: New file with PA32 register numbering specific
7575 2000-03-14 Richard Henderson <rth@cygnus.com>
7577 * regmove.c (combine_stack_adjustments): New.
7578 (stack_memref_p, single_set_for_csa): New.
7579 (free_csa_memlist, record_one_stack_memref): New.
7580 (try_apply_stack_adjustment): New.
7581 (combine_stack_adjustments_for_block): New.
7582 * rtl.h (combine_stack_adjustments): Declare.
7583 * toplev.c (rest_of_compilation): Call it.
7585 * i386.md: Revert 2000-01-16 change.
7587 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7589 * gccbug.in: Add web category, gcc specific classes.
7591 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
7593 * stor-layout.c (finalize_record_size): Fix typo.
7595 2000-03-14 Stan Shebs <shebs@apple.com>
7597 * c-typeck.c (c_alignof): Error on incomplete types.
7598 * extend.texi (Alignment): Document this.
7600 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
7602 * cppfiles.c: Include mkdeps.h.
7603 (find_include_file, read_include_file): Remove _cpp_ prefix
7604 from name, make static.
7605 (_cpp_execute_include): New function, broken out of
7608 * cpplib.c: Don't include mkdeps.h.
7609 (struct directive): Remove type field. Reorder entries. The
7610 function takes only one argument.
7611 (struct if_stack): Make type field an int.
7612 (directive_table): Rename to dtable. Generate it, the
7613 prototypes of the directive handlers, and the enum for the
7614 directive numbers, from a template macro.
7615 (do_ifndef, do_include_next, do_import): New functions.
7616 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
7617 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
7618 do_ident, do_assert, do_unassert, do_sccs): Take only one
7620 (do_sccs): Define always, but alter behavior based on
7622 (_cpp_handle_directive, consider_directive_while_skipping):
7623 Restructure for new directive table layout.
7625 (pass_thru_directive): Take a directive number, not a pointer
7626 to a struct directive.
7627 (parse_include): New function, broken out of do_include.
7628 (do_include, do_import, do_include_next): Use parse_include
7629 and _cpp_execute_include.
7630 (do_elif, do_else): Test for T_ELSE specifically when checking
7631 for #elif/#else after #else.
7632 (parse_ifdef): New function, broken out of do_ifdef.
7633 (validate_else): Expect a name arg without a leading #.
7634 (if_directive_name): Delete.
7635 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
7636 directive handlers with only one argument.
7638 * cpphash.h: Update prototypes.
7639 (enum node_type): Remove entries for directives.
7640 * Makefile.in: Update dependencies.
7642 * cpphash.c (dump_hash_helper): Only dump nodes of type
7643 T_MACRO. Emit a newline after each definition.
7645 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7647 * gccbug.in: New file.
7648 * configure.in (all_outputs): Add gccbug.
7649 * Makefile.in (install-common): Install gccbug.
7650 (GCCBUG_INSTALL_NAME): New variable.
7651 * configure: Rebuilt.
7653 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
7655 * function.c (put_var_into_stack): Use type_for_mode to calculate
7656 part_type. Use MEM_SET_IN_STRUCT_P.
7657 * expr.c (store_field): Handle CONCAT.
7658 (store_constructor): Use fields_length.
7659 * tree.c (fields_length): New fn.
7660 * tree.h: Declare it.
7662 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
7664 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
7665 (cpplex.o): New target.
7666 * po/POTFILES.in: Add cpplex.c.
7668 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
7669 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
7670 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
7671 skip_block_comment, skip_line_comment, skip_comment,
7672 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
7673 _cpp_parse_name, skip_string, parse_string,
7674 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
7675 _cpp_get_directive_token, find_position,
7676 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
7677 (maybe_macroexpand, _cpp_lex_token): New functions.
7679 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
7680 parse_goto_mark): Delete.
7681 (_cpp_handle_eof): New function.
7682 (_cpp_handle_directive): Rename from handle_directive.
7683 (_cpp_output_line_command): Rename from output_line_command.
7684 (do_if, do_elif): Call _cpp_parse_expr directly.
7685 * cppfiles.c (_cpp_read_include_file): Don't call
7686 init_input_buffer here.
7687 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
7688 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
7689 here; pop the token_buffer and skip the rest of the line here.
7690 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
7693 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
7695 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
7696 CPP_GOTO_MARK): New macros.
7697 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
7698 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
7699 _cpp_read_and_prescan, _cpp_init_input_buffer,
7700 _cpp_grow_token_buffer, _cpp_get_directive_token,
7701 _cpp_handle_directive, _cpp_handle_eof,
7702 _cpp_output_line_command): Prototype them here.
7703 * cpplib.h (enum cpp_token): Add CPP_MACRO.
7704 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
7705 quote_string, output_line_command): Remove.
7707 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
7709 * stmt.c (expand_end_case): RANGE may be signed, and when checking
7710 whether it is too large we must also verify that it isn't negative.
7712 2000-03-13 Jakub Jelinek <jakub@redhat.com>
7714 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
7715 (movsi_zero_liveg0): Remove.
7716 (movsf_insn_novis_liveg0): Remove.
7718 (negsi2_not_liveg0): Rename to negsi2.
7719 (one_cmplsi2): Remove.
7720 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
7721 (one_cmplsi2_liveg0): Remove.
7722 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
7723 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
7724 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
7725 (PREDICATE_CODES): Remove zero_operand.
7726 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
7727 TARGET_BROKEN_SAVERESTORE.
7728 (zero_operand): Remove.
7729 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
7730 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
7732 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
7733 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
7734 TARGET_BROKEN_SAVERESTORE): Remove.
7735 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
7737 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
7739 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
7742 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
7744 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
7746 * cpplib.c (do_pragma_implementation): Fix off-by-one error
7747 truncating a string. Don't assume tokens are nul terminated.
7748 Problem noted by Andreas Jaeger <aj@suse.de>
7750 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
7752 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
7753 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
7754 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
7756 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
7758 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
7759 STRUCTURE_SIZE_BOUNDARY.
7761 2000-03-13 Mark Mitchell <mark@codesourcery.com>
7763 * tree.h (record_layout_info_s): New structure.
7764 (record_layout_info): New type.
7765 (new_record_layout_info): New function.
7766 (layout_field): Likewise.
7767 (finish_record_layout): Likewise.
7768 * stor-layout.c (layout_record): Remove.
7769 (new_record_layout_info): New function.
7770 (layout_field): New function, broken out from layout_record.
7771 (finalize_record_size): Likewise.
7772 (compute_record_mode): Likewise.
7773 (finalize_type_size): New function, broken out from layout_type.
7774 (finish_record_layout): Likewise.
7775 (layout_type): Use them.
7777 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
7779 * cpphash.c: Don't include version.h.
7780 (special_symbol) [case T_VERSION]: Look for the string in
7781 hp->value.cpval; don't use version_string.
7782 * cppinit.c (initialize_builtins): Set hp->value.cpval for
7783 __VERSION__ to version_string.
7784 * Makefile.in (cpphash.o): Update deps.
7786 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
7788 Convert cpplib to use libiberty/hashtab.c.
7790 * cpplib.h (struct cpp_reader): Make hashtab and
7791 all_include_files of type 'struct htab *'. Delete HASHSIZE
7792 and ALL_INCLUDE_HASHSIZE macros.
7794 * cpphash.h: Update prototypes.
7795 (struct hashnode): Remove next, prev, and bucket_hdr members.
7796 Make length a size_t. Add hash member.
7797 (struct ihash): Remove next member. Add hash member. Make
7798 name a flexible array member.
7800 * cppfiles.c: Include hashtab.h.
7801 (include_hash): Delete.
7802 (IHASHSIZE): New macro.
7803 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
7804 (cpp_included): Do the hash lookup here.
7805 (_cpp_find_include_file): Rewrite.
7806 (cpp_read_file): Put the "fake" hash entry into the hash
7807 table. Honor the control_macro, if it turns out we've seen
7808 the file before. Don't push the buffer here.
7809 (_cpp_read_include_file): Push the buffer here.
7810 (OMODES): New macro. Use it whenever we call open(2).
7812 * cpphash.c: Include hashtab.h.
7813 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
7814 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
7815 _cpp_lookup_slot): New functions.
7816 (HASHSIZE): new macro.
7817 (hashf, _cpp_install, _cpp_delete_macro): Delete.
7818 (_cpp_lookup): Use hashtab.h routines.
7820 * cppinit.c: Include hashtab.h.
7821 (cpp_reader_init): Call _cpp_init_macro_hash and
7822 _cpp_init_include_hash. Don't allocate hashtab directly.
7823 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
7824 pfile->all_include_files.
7825 (initialize_builtins): Use _cpp_make_hashnode and
7826 htab_find_slot to add hash entries.
7827 (cpp_finish): Just call _cpp_dump_macro_hash.
7828 * cpplib.c: Include hashtab.h.
7829 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
7830 create hash entries.
7831 (do_pragma_poison, do_assert): Likewise.
7832 (do_include): Don't push the buffer here. Don't increment
7833 system_include_depth unless _cpp_read_include_file succeeds.
7834 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
7836 (do_pragma_implementation): Use alloca to create copy.
7838 * Makefile.in: Update dependencies.
7840 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7842 * cppinit.c (cl_directive_handler): More K&R fixing.
7844 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
7846 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
7848 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
7850 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7852 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
7853 Change from char[] to macros.
7855 2000-03-12 Neil Booth <NeilB@earthling.net>
7857 * cppinit.c (cpp_start_read): Update indirect function
7860 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
7862 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
7865 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
7866 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
7868 2000-03-11 Neil Booth <NeilB@earthling.net>
7870 * cppinit.c (struct pending option): Replace undef with a
7871 pointer to a directive handling routine.
7872 (struct cpp_pending): Replace separate assert_ and define_
7873 lists with one directive_ list.
7874 (new_pending_define): Rename new_pending_directive. Extra
7875 argument is the directive's handling routine.
7876 (handle_option): Update to use new_pending_directive.
7878 2000-03-11 Neil Booth <NeilB@earthling.net>
7880 * cppfiles.c (file_cleanup, _cpp_find_include_file,
7881 remap_filename, _cpp_read_include_file, actual_directory,
7882 hack_vms_include_specification): Replace bcopy(), index() etc
7883 calls. Add casts to some allocations. Make some variables
7884 pointers to const [unsigned] char.
7885 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
7886 collect_formal_parameters): Similarly.
7887 * cppinit.c (struct pending_option, append_include_chain,
7888 cpp_options_init, cpp_reader_init, initialize_standard_includes,
7889 cpp_start_read, new_pending_define, handle_option): Similarly.
7890 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
7891 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
7892 do_pragma_implementation, detect_if_not_defined,
7893 do_ifdef, skip_if_group, cpp_get_token, parse_string,
7894 do_assert, do_unassert): Similarly.
7895 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
7896 function prototypes.
7897 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
7899 2000-03-10 Richard Henderson <rth@cygnus.com>
7901 * builtins.c (expand_builtin_strlen): Revert last change.
7902 Use emit_insn_before if we're at the beginning of a sequence.
7904 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
7906 * builtins.c (expand_builtin_strlen): Make sure that we have something
7907 at the beginning of the sequence.
7909 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
7912 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
7914 2000-03-10 Richard Henderson <rth@cygnus.com>
7916 * except.c (can_throw): Use INTVAL on a CONST_INT.
7917 (reachable_handlers): Likewise.
7918 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
7920 2000-03-10 Andreas Jaeger <aj@suse.de>
7922 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
7923 MD_STARTFILE_PREFIX since those are not needed on linux.
7924 (ASM_FILE_START): New, from mips/gnu.h.
7926 2000-03-09 Richard Henderson <rth@cygnus.com>
7927 Alex Samuel <samuel@codesourcery.com> and others
7929 * Makefile.in (ssa.o): New rule.
7931 (STAGESTUFF): Add *.ssa and *.ussa.
7932 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
7933 * rtl.def (PHI): New RTL expression.
7934 * rtl.h (clear_log_links): New declaration.
7935 (convert_to_ssa): Likewise.
7936 (convert_from_ssa): Likewise.
7937 * flow.c (split_edge): If the entry node falls through to the
7938 split edge's source block, split the entry edge.
7939 (clear_log_links): New function.
7940 * toplev.c (ssa_dump): New variable.
7941 (flag_ssa): Likewise.
7942 (f_options): Add "ssa".
7943 (compile_file): Create SSA dump files.
7944 (rest_of_compilation): Go to and from SSA if enabled.
7945 (decide_d_option): Handle -de for SSA dump files.
7948 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
7950 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
7953 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
7955 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
7957 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
7959 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
7960 (MD_STARTFILE_PREFIX_1): New macro.
7962 2000-03-09 Robert Lipe <robertl@sco.com>
7964 * config/ia64/ia64.c: Include system.h.
7966 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
7968 * except.c (nothrow_function_p): If -fno-exceptions, just return.
7969 (init_eh_nesting_info): Likewise.
7971 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
7972 (TREE_NOTHROW): Rename from TREE_RAISES.
7973 * toplev.c (rest_of_compilation): Set it.
7974 * print-tree.c (print_node): Adjust.
7975 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
7976 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
7977 * calls.c (emit_call_1): Add 'nothrow' parm. Add
7978 REG_EH_REGION note as appropriate.
7979 (libfunc_nothrow): New fn.
7980 (emit_library_call, emit_library_call_value): Use it.
7981 (expand_call): Check TREE_NOTHROW.
7983 * varasm.c (make_decl_rtl): Skip initial '*' when setting
7984 DECL_ASSEMBLER_NAME.
7986 2000-03-09 Andreas Jaeger <aj@suse.de>
7988 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
7989 (TARGET_MEM_FUNCTIONS): Define.
7991 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
7993 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
7995 * except.c (can_throw): See through a SEQUENCE.
7996 (nothrow_function_p): New fn.
7997 * except.h: Declare it.
7998 * function.c (current_function_nothrow): New var.
7999 (prepare_function_start): Initialize it.
8000 * output.h: Declare it.
8001 * toplev.c (rest_of_compilation): Set it.
8002 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
8004 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
8006 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
8007 match. (cpp_compare_defs): Count the nul separator when
8008 advancing over argument names.
8010 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
8012 * recog.c (preprocess_constraints): Matching constraints affect
8013 same alternative/different operand, not same operand/different
8016 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
8017 register and a constant specially.
8019 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8021 * libgcc2.h: New file.
8022 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
8024 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
8026 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
8027 * configure: Regenerate.
8030 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
8032 * Makefile.in (LIBCPP_DEPS): New macro.
8033 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
8035 * cpperror.c: Include cpphash.h.
8036 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
8038 (lex): Don't use CPP_WARN_UNDEF.
8039 (_cpp_parse_expr): Return an int, the truth value.
8040 * cppfiles.c: Include cpphash.h.
8041 (_cpp_merge_include_chains): Move to cppinit.c and make static.
8042 * cppinit.c (include_defaults_array): Disentangle.
8043 (cpp_cleanup): Don't free the if stack here.
8044 (cpp_finish): Pop off all buffers, not just one.
8045 * cpplib.c (eval_if_expr): Return int.
8046 (do_xifdef): Rename do_ifdef.
8047 (handle_directive): Don't use CPP_PREPROCESSED.
8048 (cpp_get_token): Don't use CPP_C89.
8049 * fix-header.c: Don't use CPP_OPTIONS.
8051 * cpplib.h: Move U_CHAR, enum node_type, struct
8052 file_name_list, struct ihash, is_idchar, is_idstart,
8053 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
8054 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
8055 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
8056 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
8057 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
8058 of _cpp_simplify_pathname, _cpp_find_include_file,
8059 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
8060 Move struct if_stack to cpplib.c. Move struct cpp_pending to
8062 Change all uses of U_CHAR to be unsigned char instead.
8063 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
8065 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
8067 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
8068 (dwarf2out_begin_prologue): Set it.
8069 (output_call_frame_info): Don't emit EH unwind info for leaves.
8071 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
8072 can occur outside of an EH region.
8073 * except.c: Correct comments about rethrow behavior.
8074 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
8076 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
8078 * flow.c (make_edges): Always call make_eh_edge for calls.
8080 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
8082 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
8083 (struct cpp_buffer): Remove fname and underflow fields.
8084 (struct cpp_reader): Remove get_token field.
8085 (struct include_hash): Rename to struct ihash. Add typedef to
8087 (struct if_stack): Remove fname field.
8088 (IF_STACK_FRAME): Rename to IF_STACK.
8090 * cpperror.c (print_containing_files): Trust that there are no
8091 macro buffers below the top file buffer.
8092 * cppfiles.c: Replace all references to 'struct include_hash'
8093 with 'IHASH'. Rename initialize_input_buffer to
8094 init_input_buffer. Don't set or reference cpp_buffer->fname,
8095 use buffer->ihash->name instead.
8096 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
8097 not CPP_NULL_BUFFER.
8098 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
8099 IF_STACK_FRAME, IHASH not struct include_hash.
8100 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
8101 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
8102 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
8103 references to cpp_buffer->fname (delete entirely, or use
8104 ->ihash->name instead) and IF_STACK->fname.
8105 (cpp_push_buffer): Don't set new->underflow.
8106 (do_include): Use cpp_file_buffer.
8108 * cpphash.c (collect_formal_parameters): Remove duplicate
8109 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
8110 used as a macro argument name. Don't append "..." to namebuf
8111 for varargs macros. After we're done scanning, go through
8112 namebuf and make it NUL separated, not comma separated.
8113 (_cpp_compare_defs): Remove register tag from variables.
8114 Expect defn->argnames to be NUL separated.
8115 (_cpp_dump_definition): Expect defn->argnames to be NUL
8116 separated and in forward order.
8117 * cpphash.h: Update documentation of argnames field.
8119 2000-03-08 Richard Henderson <rth@cygnus.com>
8121 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
8122 to fail. Don't pre-expand the source operand.
8124 * i386.md (strlensi): Initialize eoschar and align before use.
8126 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
8128 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
8129 CONSTRUCTOR element.
8131 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
8133 * mips.c (mips_expand_prologue): If the last
8134 named argument is the vararg marker "va_list", treat it as
8135 an unnamed argument.
8137 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
8139 * dbxout.c (dbxout_parms): When correcting for promoted
8140 big-endian parameters, use the mode of the DECL_RTL rather
8141 than UNITS_PER_WORD.
8143 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
8145 * c-common.h (make_fname_decl): Declare.
8146 * c-common.c (make_fname_decl): Define.
8147 (declare_hidden_char_array): Remove.
8148 (declare_function_name): Use make_fname_decl.
8149 * c-decl.c (c_make_fname_decl): New function.
8150 (init_decl_processing): Set make_fname_decl.
8152 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
8154 * cccp.c (handle_directive): Initialize backslash_newlines_p.
8156 2000-03-07 Philipp Thomas <pthomas@suse.de>
8158 * po/POTFILES.in: Remove cppalloc.c from file list.
8160 2000-03-07 Steve Chamberlain <sac@pobox.com>
8162 * pj.c (pj_expand_prologue): current_function->args_info is
8163 now current_function_args_info.
8165 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
8166 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
8167 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
8169 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8171 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
8172 output as hexadecimal rather than the default octal.
8174 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
8176 * cpphash.c (special_symbol): Fix thinko in previous commit.
8178 2000-03-07 Neil Booth <NeilB@earthling.net>
8180 * cppexp.c (struct operation, left_shift, right_shift,
8181 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
8182 "int"s to "unsigned int"s.
8183 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
8185 * cpplib.h: Update for above.
8186 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
8187 returned from allocations.
8189 * cppinit.c (opt_comp, parse_options): New functions.
8190 (handle_option): Use parse_option to parse a single command
8191 line option, that possibly takes an argument.
8192 (cpp_handle_options): Sort the array of command line options on
8193 first invocation (non-ASCII hosts only).
8194 (print_help): Update.
8196 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
8198 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
8199 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
8201 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
8203 * cppinit.c (cpp_cleanup): Free imp->nshort also.
8205 * cpperror.c (cpp_print_containing_files,
8206 cpp_print_file_and_line, v_cpp_message): Rename to
8207 print_containing_files, print_file_and_line, and v_message.
8208 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
8209 to _cpp_parse_expr, parse_escape, and lex.
8210 (parse_charconst): Remove broken multibyte support.
8211 * cppfiles.c (include_hash): Make static.
8212 (cpp_included): New function.
8213 (merge_include_chains, find_include_file, finclude,
8214 simplify_pathname): Rename to _cpp_merge_include_chains,
8215 _cpp_find_include_file, _cpp_read_include_file, and
8216 _cpp_simplify_pathname.
8217 * cpphash.c (cpp_lookup, free_definition, delete_macro,
8218 cpp_install, create_definition, macroexpand, compare_defs,
8219 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
8220 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
8221 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
8222 * cppinit.c (cpp_handle_option): Rename to handle_option, make
8224 * cpplib.c: Remove extern prototype of cpp_parse_expr.
8226 * cpphash.h: Update prototypes.
8227 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
8229 2000-03-07 Andrew Haley <aph@cygnus.com>
8231 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
8232 PTRDIFF_TYPE should be based solely on Pmode.
8235 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8237 * rtl.h (rtunion_def): Constify member `rtstr'.
8238 (emit_line_note_after, emit_line_note, emit_line_note_force,
8239 emit_note, decode_asm_operands): Constify.
8241 * cse.c (canon_hash): Likewise.
8243 * dbxout.c (dbxout_block): Likewise.
8245 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
8246 v_warning_for_asm): Likewise.
8248 * dwarfout.c (function_start_label): Likewise.
8250 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
8251 emit_line_note_force): Likewise.
8253 * final.c (last_filename, asm_insn_count, final_scan_insn,
8254 output_source_line): Likewise.
8256 * function.h (struct emit_status): Likewise.
8258 * gcse.c (hash_expr_1): Likewise.
8260 * genattr.c (gen_attr, main): Likewise.
8262 * genattrtab.c (struct function_unit, current_alternative_string,
8263 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
8264 attr_numeral, check_attr_test, check_attr_value,
8265 convert_set_attr_alternative, convert_set_attr,
8266 compute_alternative_mask, simplify_by_exploding, gen_attr,
8267 gen_unit): Likewise.
8269 * genflags.c (gen_insn): Likewise.
8271 * gengenrtl.c (type_from_format): Likewise.
8273 * genopinit.c (gen_insn): Likewise.
8275 * genoutput.c (n_occurrences, process_template, process_template):
8278 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
8281 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
8284 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
8285 ggc_set_mark, ggc_get_size): Likewise.
8287 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
8289 * optabs.c (init_one_libfunc): Likewise.
8291 * output.h (assemble_start_function): Likewise.
8293 * recog.c (decode_asm_operands): Likewise.
8295 * toplev.c (rest_of_compilation): Likewise.
8297 * tree.h (emit_line_note_after, emit_line_note,
8298 emit_line_note_force): Likewise.
8300 * varasm.c (asm_output_bss, asm_output_aligned_bss,
8301 asm_emit_uninitialised, assemble_start_function,
8302 assemble_variable, const_hash, compare_constant_1,
8303 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
8305 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
8307 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
8309 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
8311 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
8313 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
8314 arm_dllimport_name_p): Likewise.
8316 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
8319 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
8321 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8323 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
8324 arm_mark_dllexport, arm_mark_dllimport,
8325 arm_pe_encode_section_info): Likewise.
8327 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
8328 ASM_FINISH_DECLARE_OBJECT): Likewise.
8330 * arm/thumb.c (thumb_function_prologue): Likewise.
8332 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
8334 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8336 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
8338 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
8340 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
8342 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8344 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
8345 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
8347 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
8349 * i386/i386.c (asm_output_function_prefix): Likewise.
8351 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
8353 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8355 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
8357 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
8358 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
8359 ASM_OUTPUT_SECTION_NAME): Likewise.
8361 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
8363 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
8365 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
8367 * m32r/m32r.c (m32r_encode_section_info): Likewise.
8369 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8371 * mcore/mcore.c (mcore_encode_section_info): Likewise.
8373 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8375 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8377 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8379 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
8381 * mips/mips.md (movdi, movsi): Likewise.
8383 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8385 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8387 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8389 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
8390 ASM_OUTPUT_ASCII): Likewise.
8392 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
8393 output_mi_thunk, output_toc): Likewise.
8395 * rs6000/rs6000.md (movsi): Likewise.
8397 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
8399 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
8401 * v850/v850.c (print_operand, print_operand_address,
8402 v850_encode_data_area): Likewise.
8404 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
8406 * config/mips/mips.md (zero_extendsidi2): Always force operand
8407 one to memory for mips16.
8409 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8411 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
8412 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
8413 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
8414 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
8415 (min_precision): Result is unsigned.
8416 (add_double, neg_double, mul_double): Low word is unsigned.
8417 (lshift_double, rshift_double, lrotate_double): Likewise.
8418 (rrotate_double, div_and_round_double): Likewise.
8419 (tree_floor_log2, compare_tree_int): New functions.
8420 (preserve_rtl_expr_temps): New declaration.
8421 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
8422 (decl_attributes): Use tree_log2 to find alignment.
8423 Check for TREE_INT_CST_HIGH for format args.
8424 (min_precision): Now unsigned.
8425 Use tree_floor_log2.
8426 (truthvalue_conversion): Delete long-disabled code.
8427 * c-decl.c (finish_struct): Clean up tests on field width.
8428 (finish_function): Use compare_tree_int.
8429 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
8430 * c-typeck.c (comptypes): Use tree_int_cst_equal.
8431 (default_conversion, digest_init): Use compare_tree_int.
8432 (build_binary_op): Use integer_all_onesp and compare_tree_int.
8433 Fix type errors in forming masks.
8434 * calls.c (initialize_argument_information): Use compare_tree_int.
8435 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
8436 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
8437 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
8438 (store_field): Use compare_tree_int.
8439 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
8440 (expand_expr, case ARRAY_REF): Use compare_tree_int.
8441 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
8442 (do_store_flag): Use compare_tree_int.
8443 * fold-const.c (encode, decode): Low part is always unsigned.
8444 (force_fit_type, add_double, neg_double, mul_double): Likewise.
8445 (lshift_double, rshift_double, lrotate_double): Likewise.
8446 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
8447 (fold_convert): Use compare_tree_int.
8448 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
8449 (invert_truthvalue, case INTEGER_CST): Likewise.
8450 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
8451 * mkdeps.c (deps_dummy_targets): Make I unsigned.
8452 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
8453 (lshift_double, rshift_double, lrotate_double, rrotate_double):
8455 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
8456 (expand_end_case): Use compare_tree_int.
8457 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
8458 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
8459 (layout_decl): Likewise.
8460 (layout_record, layout_union): Make sizes unsigned.
8461 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
8462 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
8463 * tree.c (struct type_hash): hashcode is unsigned.
8464 (build_type_attribute_variant, type_hash_list): Likewise.
8465 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
8466 (attribute_hash_list, build_array_type, build_method_type): Likewise.
8467 (build_complex_type): Likewise.
8468 (real_value_from_int_cst): Remove unneeded casts.
8469 (integer_all_onesp): Add casts.
8470 (tree_floor_log2, compare_tree_int): New functions.
8471 (build_index_type): Use tree_int_cst_sgn.
8472 * varasm.c (assemble_variable): Use compare_tree_int.
8474 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
8476 * cpphash.c (collect_expansion): Also catch ## at start of macro.
8478 * varasm.c (make_decl_rtl): Don't add a number to members of
8480 (make_function_rtl): Likewise.
8482 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8484 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
8485 patch from 2000-01-28.
8487 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
8489 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
8490 filled with an insn from the jump target.
8492 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8494 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
8495 (c4x_external_ref): Likewise.
8496 * config/c4x/c4x.c (struct name_list): Likewise.
8498 1999-12-16 Ben Collins <bcollins@debian.org>
8500 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
8501 argument to genmultilib.
8502 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
8503 the contents into the multilib.h header.
8504 * gcc.c: Declare multilib_exclusions for the specs file.
8505 (set_multilib_dir): Use it.
8506 (print_multilib_info): Likewise.
8507 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
8508 to pass to genmultilib.
8510 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8512 * builtins.c (built_in_class_names, built_in_names): Constify a
8515 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
8517 (_mcleanup): Ensure value matches format specifier in sprintf.
8519 * cpphash.c (special_symbol): Don't needlessly cast away
8522 * cppinit.c (base_name): Delete unused prototype.
8524 * mkdeps.c (deps_init): Make definition K&R safe.
8526 * tree.h (built_in_class_names, built_in_names): Constify a
8529 2000-03-06 Jakub Jelinek <jakub@redhat.com>
8531 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
8532 floating point instructions for epilogue delay.
8534 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
8535 to gas if it supports .register pseudo.
8537 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
8538 LONG_DOUBLE_TYPE_SIZE if not defined.
8539 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
8540 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
8542 * gengenrtl.c: Likewise.
8543 * print-rtl.c: Likewise.
8545 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
8546 MASK_LONG_DOUBLE_128.
8547 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
8548 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
8549 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
8550 (SUBTARGET_SWITCHES): Define.
8551 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
8552 with -mlong-double-128.
8553 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
8554 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
8555 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
8556 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
8557 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
8558 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
8559 with -mlong-double-128.
8560 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
8561 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
8562 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
8563 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
8564 TARGET_LONG_DOUBLE_128): Define.
8565 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
8566 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
8567 long double on TARGET_ARCH64.
8569 2000-03-06 Mark Mitchell <mark@codesourcery.com>
8571 * function.c (free_temps_for_rtl_expr): Don't free slots
8572 that have been pushed into a higher level.
8575 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8577 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8579 * basic-block.h (ALLOCA_REG_SET): Remove.
8580 (INITIALIZE_REG_SET): New macro.
8581 * flow.c (update_life_info): Use it.
8582 (calculate_global_regs_live): Likewise.
8583 (propagate_block): Likewise.
8584 * global.c (build_insn_chain): Likewise.
8585 * haifa-sched.c (schedule_region): Likewise.
8587 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
8589 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
8590 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
8591 (DWARF_ARANGES_PAD_SIZE): New define.
8592 (output_aranges): Use it to pad the address range header.
8593 (DWARF_ROUND): Fix for non power of 2 rounding.
8595 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
8597 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
8599 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8601 * tree.def (RTL_EXPR): Update documentation.
8602 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
8603 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
8604 * function.c (preserve_rtl_expr_temp): New function.
8605 (preserve_rtl_expr_temps): Likewise.
8606 (preserve_rtl_expr_result): Use it.
8609 2000-03-04 Mark Mitchell <mark@codesourcery.com>
8611 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
8613 * regmove.c (copy_src_to_dest) Do not create src->dest move
8614 for unchanging destination.
8616 2000-03-04 Mark Mitchell <mark@codesourcery.com>
8618 * function.h (struct sequence_stack): Remove rtl_expr.
8619 (struct emit_staus): Likewise.
8620 (seq_rtl_expr): Remove.
8621 * tree.h (free_temps_for_rtl_expr): Don't declare.
8622 (start_sequence_for_rtl_expr): Likewise.
8623 * rtl.h (preserve_rtl_expr_result): Likewise.
8624 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
8625 (start_sequence_for_rtl_expr): Remove.
8626 (push_topmost_sequence): Don't save sequence_rtl_expr.
8627 (pop_topmost_sequence): Remove comment about not restoring it.
8628 (end_sequence): Don't set seq_rtl_expr.
8629 (init_emit): Don't initialize it.
8630 (mark_sequence_stack): Don't mark it.
8631 (mark_emit_status): Likewise.
8632 * except.c (protect_with_terminate): Use
8633 start_sequence_for_rtl_expr, not start_sequence.
8634 * expr.c (expand_expr, case RTL_EXPR): Don't call
8635 preserve_rtl_expr_result or free_temps_for_rtl_expr.
8636 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
8637 (preserve_rtl_expr_result): Remove.
8638 (free_temps_for_rtl_expr): Likewise.
8639 (pop_temp_slots): Likewise.
8640 (mark_temp_slot): Don't mark the rtl_expr.
8641 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
8642 start_sequence_for_rtl_expr.
8644 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
8646 * mkdeps.c, mkdeps.h: New files.
8647 * po/POTFILES.in: Add them.
8648 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
8649 (cpplib.o, cppinit.o): Depend on mkdeps.h.
8650 (mkdeps.o): New target.
8652 * cppfiles.c: Delete deps_output.
8653 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
8654 OBJECT_SUFFIX, and base_name.
8655 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
8657 (initialize_dependency_output): Use deps_init,
8658 deps_add_target, deps_calc_target, and deps_add_dep. Remove
8659 all the unnecessary string bashing.
8660 (cpp_finish): Use deps_write. Remove an unnecessary nesting
8662 * cpplib.c (do_include): Use deps_add_dep.
8663 * cpplib.h (struct cpp_reader): Replace deps_buffer,
8664 deps_allocated_size, deps_size, deps_column members with
8665 single pointer to a struct deps. Delete prototype of
8668 * cppinit.c: Fix thinko in previous patch.
8670 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8672 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
8673 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
8674 (mode_for_size_tree): New function.
8675 (layout_decl, layout_type): Call it and clean up BLKmode checks.
8676 * tree.h (mode_for_size_tree): New declaration.
8678 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
8680 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
8682 * stmt.c (is_body_block): Move...
8683 * dwarfout.c, dwarf2out.c: ...from here.
8684 * tree.h: Declare it.
8685 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
8686 * final.c (final_start_function): Do call remove_unnecessary_notes
8689 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
8691 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
8693 * cpplib.h (_dollar_ok): New macro.
8694 (is_idchar, is_idstart): Use it.
8695 (IStable): Rename to _cpp_IStable. Declare it const if
8696 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
8697 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
8698 is_space): Update for renamed IStable.
8700 * cppinit.c: Delete all references to FAKE_CONST and CAT
8701 macros. Define init_IStable as empty macro if gcc >=2.7 or
8702 C99. Change TABLE() to ISTABLE and hardcode name of table.
8703 (cpp_start_read): Don't change the IStable based on
8706 * cpphash.c (unsafe_chars): Add pfile argument. All callers
8707 changed. Handle '$' for char1 correctly.
8708 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
8710 * cppexp.c (tokentab2): Make const.
8711 (cpp_lex): Make toktab const.
8712 * cppinit.c (include_defaults_array): Make const.
8713 (initialize_standard_includes): Make default_include const.
8715 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
8717 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
8718 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
8719 (gen_decl_die): Likewise.
8720 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
8721 (output_decl): Likewise.
8723 * varasm.c (make_function_rtl): If we change the name used in the
8724 rtl, update DECL_ASSEMBLER_NAME accordingly.
8725 (make_decl_rtl): Likewise.
8727 * toplev.c (rest_of_compilation): Tweak formatting.
8729 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
8730 remove_unnecessary_notes.
8731 (debug_ignore_block): New fn.
8732 * toplev.h: Declare it.
8733 * emit-rtl.c (remove_unncessary_notes): Call it.
8734 * dwarf2out.c (dwarf2out_ignore_block): New fn.
8735 * dwarf2out.h: Declare it.
8736 * final.c (final_start_function): Don't call remove_unnecessary_notes
8737 if we did insn scheduling.
8739 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
8741 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
8742 * cpplib.h: Delete SET_CPP_PEDANTIC.
8744 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8746 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
8747 result is a RECORD_TYPE.
8749 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
8751 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
8753 2000-03-03 Richard Henderson <rth@cygnus.com>
8755 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
8756 addition over compliments over shifts.
8758 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8760 * reload1.c (reload_combine_note_use): Handle return register USEs.
8761 REG case: Handle multi-hard-register hard regs.
8763 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8765 * md.texi: Document use of '*' in insn pattern name.
8767 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
8769 * calls.c (special_function_p): operator new may not be malloc-like.
8771 * gcse.c (dump_hash_table): Really fix error in last change.
8773 2000-03-02 Denis Chertykov <denisc@overta.ru>
8775 * avr.c (print_operand): Use print_operand_address instead of
8777 * avr/libgcc.S: Cleanup code.
8779 2000-03-02 Richard Henderson <rth@cygnus.com>
8781 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
8783 2000-03-02 Mark Mitchell <mark@codesourcery.com>
8785 * tree.h (TYPE_ALIGN_UNIT): New macro.
8787 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
8789 * i386.c: (constant_call_address_operand): Reject CONST_INT.
8791 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
8793 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
8795 (SET_CPP_PEDANTIC): New macro.
8796 * cpplib.c (do_include): Don't bother checking system_header_p.
8797 (do_warning, do_ident, do_assert, do_unassert): Likewise.
8798 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
8800 * function.h (struct expr_status): Add x_arg_space_so_far.
8801 (arg_space_so_far): New macro.
8802 * expr.c (init_expr): Initialize it.
8803 * calls.c (emit_call_1): Reset it.
8804 (compute_argument_block_size, expand_call): Use it.
8805 (expand_call, store_one_arg): Increment it.
8807 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8809 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
8812 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
8814 * cppfiles.c (cpp_read_file): New function.
8816 * cpphash.c (collect_expansion): Make sure to reset last_token
8817 to NORM when we hit a string. Handle trailing whitespace
8818 properly when the expansion is empty.
8819 (create_definition): Disable line commands while parsing the
8821 (dump_definition): If pfile->lineno == 0, output a line
8822 command ahead of the dump, and add a trailing newline.
8824 * cppinit.c (append_include_chain): Add fifth argument, which
8825 indicates whether or not system headers are C++ aware.
8826 (initialize_standard_includes): New function,
8827 broken out of read_and_prescan. Pass 'cxx_aware' value from
8828 the include_defaults_array on to append_include_chain.
8829 (dump_special_to_buffer): Const-ify char array.
8830 (builtin_array): Don't dump __BASE_FILE__.
8831 (cpp_start_read): Use cpp_read_file. Reorder code for
8832 clarity. Don't output line commands here for -D/-A/-U
8833 switches. Don't call deps_output for files included with
8834 -include or -imacros.
8836 * cpplib.c (do_define): Don't pay any attention to the second
8838 (cpp_expand_to_buffer): Disable line commands while scanning.
8839 (output_line_command): Work in the file buffer.
8840 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
8841 Fix formatting of comments. Prototype cpp_read_file.
8843 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8845 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
8846 reference the language-equivalent of sizetype.
8847 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
8848 * fold-const.c (size_binop, size_diffop): Put back checks.
8849 * gcse.c (dump_hash_table): Fix minor error in last change.
8850 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
8851 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
8854 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
8856 * calls.c (expand_call) Do not attempt to combine stack adjustments
8857 with inhibit_defer_pop set.
8859 2000-03-01 Mark Mitchell <mark@codesourcery.com>
8861 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
8862 the DECL_SIZE for a FIELD_DECL.
8864 2000-03-01 Bruce Korb <bkorb@gnu.org>
8866 * fixinc/inclhack.tpl: remove unused symlinks
8867 * fixinc/README: GCC Maintainer info
8868 * fixinc/inclhack.sh: regen
8869 * fixinc/fixincl.sh: regen
8871 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
8873 * cpphash.c (collect_expansion): Trim trailing white space
8874 from macro definitions, but don't go past the last insertion
8877 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
8879 * i386.md (mulqi3): New pattern.
8881 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
8883 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
8885 (struct cpp_reader): Add parsing_if_directive and
8886 parsing_define_directive flags.
8887 (struct cpp_options): Remove output_conditionals flag.
8888 (check_macro_name): Delete prototype.
8890 * cpphash.h (struct macrodef): Delete.
8891 (struct reflist): Separate from struct definition.
8892 (struct definition): Remove unused fields. Add column number.
8893 (create_definition): Returns a DEFINITION *. Takes a
8894 cpp_reader * and an int.
8896 * cpphash.c (SKIP_WHITE_SPACE): Delete.
8897 (PEEKC): Copy defn from cpplib.c.
8898 (rest_extension, REST_EXTENSION_LENGTH): Delete.
8900 (struct arglist): Simplify.
8901 (collect_expansion): Rewrite. Get tokens by calling
8902 cpp_get_token. Add more error checking.
8903 (collect_formal_parameters): New function, broken out of
8904 create_definition and reworked to use get_directive_token.
8905 (create_definition): All real work is now in collect_expansion
8906 and collect_formal_parameters. do_define handles finding the
8907 macro name. Return a DEFINITION, not a MACRODEF.
8908 (macroexpand): Replace bcopy with memcpy throughout. Replace
8909 character-at-a-time copy loop with memcpy and pointer increments.
8910 (compare-defs): d1->argnames / d2->argnames might be null.
8912 * cpplib.c (copy_rest_of_line): Delete function.
8913 (skip_rest_of_line): Do all the work ourselves.
8914 (skip_string): New function.
8915 (parse_string): Use skip_string.
8916 (get_macro_name): New function.
8917 (check_macro_name): Delete.
8918 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
8919 (cpp_skip_hspace): Use CPP_BUMP_LINE.
8920 (handle_directive): ICE if we're called on a macro buffer.
8921 (do_define): Determine macro name and type (funlike/objlike)
8922 here. Expunge all uses of MACRODEF.
8923 (cpp_push_buffer): Set line_base to NULL.
8924 (do_undef, read_line_number): Don't worry about getting a POP token.
8925 (eval_if_expression): Set/reset parsing_if_directive around
8926 cpp_parse_expr. Don't clear only_seen_white.
8927 (skip_if_group): Remove output_conditionals logic. Use
8929 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
8930 tokens under appropriate conditions.
8931 (cpp_unassert): Call do_unassert not do_assert. Oops.
8933 * cppexp.c (parse_defined): New function, break out of
8935 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
8936 ourselves, with cpp_defined.
8937 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
8939 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
8940 * gcc.dg/strpaste-2.c: New.
8942 2000-02-29 Mark Mitchell <mark@codesourcery.com>
8944 * fold-const.c (size_binop): Don't asert inputs are the same and
8945 have TYPE_IS_SIZETYPE set.
8946 (size_diffop): Likewise.
8948 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
8950 * dwarfout.c (output_block): Output abstract blocks even if they
8951 don't have TREE_ASM_WRITTEN set.
8953 * calls.c (emit_library_call): Check for null REG.
8955 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
8957 * c-decl.c (current_function_decl): Move to toplev.c.
8958 (init_decl_processing): Don't add current_function_decl as a ggc
8960 * dbxout.c (dbxout_symbol): Change return type to int.
8961 (dbxout_symbol_location, dbxout_syms): Likewise.
8962 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
8963 any locals. Use current_function_func_begin_label if set.
8964 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
8965 * dwarf2out.c (dwarf2out_begin_prologue): Set
8966 current_function_func_begin_label.
8967 * final.c (final_start_function): Reset it.
8968 * toplev.c (current_function_decl): Define it here.
8969 (current_function_func_begin_label): New variable.
8970 (main): Add both as ggc roots.
8971 * tree.h (current_function_func_begin_label): Declare.
8973 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8975 * gcse.c: Cleanups throughout: mostly white-space, but also
8976 some minor rearrangement of code.
8978 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
8980 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
8981 returns a PARALLEL. Use emit_group_load and use_group_regs
8983 (emit_library_call_value): Similarly.
8985 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
8986 * pa/quadlib.asm: Remove.
8987 * pa/quadlib.c: New file.
8989 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
8990 * configure: Rebuilt.
8992 2000-02-29 Philip Blundell <pb@futuretv.com>
8994 * config/arm/conix-elf.h: New file.
8995 * configure.in (arm*-*-conix*): New configuration.
8996 * configure: Regenerate.
8998 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
9000 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
9001 don't have TREE_ASM_WRITTEN set.
9003 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9005 * Eliminate DECL_FIELD_SIZE.
9006 * builtins.c (built_in_class_names, built_in_names): New variables.
9007 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
9008 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
9009 DECL_SIZE, not DECL_FIELD_SIZE.
9010 * print-tree.c (print_node): Remove code that prints extra blank
9011 lines in some cases.
9012 Properly handle inline and builtin function cases.
9013 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
9014 * tree.h (built_in_class_named, built_in_names): New declarations.
9015 (union tree_decl): Rename internal unions to u1 and u2 and change
9016 some of their components.
9017 Add new field built_in_class.
9018 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
9019 Reflect above changes.
9020 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
9021 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
9022 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
9023 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
9025 2000-02-28 Dmitri Makarov <dim@windriver.com>
9027 * extend.texi: Document ARM's support for long/short calls.
9029 * invoke.texi: Document ARM's -mlong-calls command line switch.
9031 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
9032 (arm_encode_call_attribute): Add prototype.
9033 (arm_set_default_type_attribute): Add prototype.
9034 (arm_strip_name_encoding): Add prototype.
9036 * config/arm/arm.c (arm_init_cumulative_args): replace
9037 initialisation og 'long_calls' field with initialisation of
9038 'call_cookie' field.
9039 (enum arm_pragma_enum): New enum.
9040 (arm_pragma_long_calls): New static variable.
9041 (arm_process_pragma): Also process "#pragma long_calls_off".
9042 (arm_valid_type_attribute_p): Accept short_call attribute.
9043 (arm_comp_type_attributes): Check long/short call attributes.
9044 (arm_encode_call_attribute): New function: Encode long_call
9045 or short_call attribute in function name.
9046 (arm_set_default_type_attributes): New function: Assign
9047 default attributes to newly defined type.
9048 (current_file_function_operand): New function: Return true if
9049 the symbol is a function which has already been compiled.
9050 (arm_is_longcall_p): New function: Return true if the
9051 indicated function should be called via a long call.
9052 (arm_get_strip_length): New function. Returns number of
9053 prefix characters to be stripped from a function's name.
9054 (arm_strip_name_encoding): New function. Strip prefix characters
9055 from a function's name.
9057 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
9059 (SHORT_CALL_FAG_CHAR): Define.
9060 (LONG_CALL_FAG_CHAR): Define.
9061 (ENCODED_SHORT_CALL_ATTR_P): Define.
9062 (ENCODED_LONG_CALL_ATTR_P): Define.
9063 (ARM_NAME_ENCODING_LENGTHS): Define.
9064 (STRIP_NAME_ENCODING): Define.
9065 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
9066 (ARM_ENCODE_CALL_TYPE): Define.
9067 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
9068 (ARM_DECLARE_FUNCTION_SIZE): Define.
9069 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
9071 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
9072 if a long call is needed.
9073 (call_value): Ditto.
9074 (call_symbol): Ditto.
9076 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
9077 ARM_DECLARE_FUNCTION_SIZE.
9079 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
9080 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
9081 (ARM_STRIP_NAME_ENCODING): Undefine.
9082 (STRIP_NAME_ENCODING): Undefine.
9083 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
9084 (ASM_DECLARE_FUNCTION_NAME): Ditto.
9085 (ASM_OUTPUT_COMMON): Ditto.
9086 (ASM_DECLARE_OBJECT_NAME): Ditto.
9088 * config/arm/pe.c (arm_dllexport_name_p): Check for
9090 (arm_dllimport_name_p): Ditto.
9091 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
9092 (arm_mark_dllimport): Ditto.
9094 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9096 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
9098 2000-02-28 Mark Mitchell <mark@codesourcery.com>
9100 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
9102 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
9104 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
9105 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
9106 NO_BUILTIN_WCHAR_TYPE is not defined.
9107 (CPP_WCHAR_TYPE): Delete.
9108 * cccp.c (main): Don't change wchar_type if cplusplus.
9109 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
9111 2000-02-28 Nick Clifton <nickc@cygnus.com>
9113 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
9115 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
9117 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
9118 (ASM_WEAKEN_LABEL): Define.
9120 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
9122 * expr.c (store_constructor): Do not emit USE.
9123 * rtl.h (stupid_life_analysis): Remove.
9125 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9127 * function.c (number_blocks): Reset next_block_index based on
9128 what debugging format is used, not what is defined.
9130 * lcm.c: Minor reformatting throughout.
9131 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
9133 * toplev.c (rest_of_compilation): Account for time in
9134 optimize_mode_switching.
9136 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
9137 if only marking labels.
9139 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
9141 * calls.c (expand_call): Attempt to combine stack adjustments with
9142 pending stack adjustments.
9144 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9146 * loop.c (reg_in_basic_block_p): Don't abort when falling through
9147 to the end of the function.
9149 2000-02-27 Mark Mitchell <mark@codesourcery.com>
9151 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
9153 * final.c (next_block_index): Remove.
9154 (max_block_depth): Likewise.
9155 (pending_blocks): Likewise.
9156 (init_final): Don't initialize them.
9157 (final_start_function): Don't set next_block_index. Set up
9159 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
9160 * function.h (number_blocks): New function.
9161 * function.c (get_block_vector): New function.
9162 (identify_blocks): Use it.
9163 (reorder_blocks): Set NOTE_BLOCK.
9164 (number_blocks): New function.
9165 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
9166 * tree.h (BLOCK_NUMBER): New macro.
9167 (tree_block): Add block_num field.
9168 * dbxout.c (next_block_number): Remove.
9169 (dbxout_init): Don't set it.
9170 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
9171 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
9173 * toplev.c (rest_of_compilation): Always call
9174 find_loop_tree_blocks. Fix indentation.
9175 * dwarf2out.c (next_block_number): Remove.
9176 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
9177 to determine block numbers.
9178 (gen_inlined_subroutine_die): Likewise.
9179 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
9180 (decls_for_scope): Don't increment next_block_number.
9181 * dwarfout.c (next_block_number): Remove.
9182 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
9183 to determine block numbers.
9184 (output_inlined_subroutine_die): Likewise.
9185 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
9186 (output_decls_for_scope): Don't increment next_block_number.
9187 * sdbout.c (next_block_number): Remove.
9188 (sdbout_block): Use BLOCK_NUMBER.
9189 (sdbout_begin_block): Simplify.
9190 * xcoffout.c (next_block_number): Remove.
9191 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
9192 (xcoffout_begin_block): Don't set next_block_number.
9193 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
9196 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9198 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
9199 (expand_builtin_strcpy): Pass correct type to size_binop.
9200 (expand_builtin_strcmp): Likewise.
9201 Clean up conditional structure.
9202 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
9203 (complete_array_type): Don't use size_binop for MAXINDEX.
9204 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
9205 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
9206 (c_alignof): Use size_one_node.
9207 (build_unary_op): Pass arg of proper type to size_binop.
9208 (really_start_incremental_init, push_init_level): Use sizetype for
9209 constructor{,_bit,_unfilled}_index.
9210 (pop_init_label, output_init_element): Likewise.
9211 (output_pending_init_elements, process_init_element): Likewise.
9212 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
9213 * expr.c (store_expr): Use size_int.
9214 (store_constructor): Use proper types for size_binop args.
9215 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
9216 (expand_expr_unaligned): Likewise.
9217 (string_contant): Return object of sizetype.
9218 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
9219 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
9220 (ARGS_SIZE_TREE): Pass proper types to size_binop.
9221 * fold-const.c (int_const_binop): Refine when size_int is called.
9222 (fold_convert): Likewise.
9223 (size_int_wide): Rework to take KIND as arg, only take low order
9224 bits, handle new sizetype_tab datatype, and chain entries in
9226 (size_int_type_wide): New function.
9227 (size_binop): Validate types of arguments.
9228 (ssize_binop): Deleted.
9229 (size_diffop): New function.
9230 (extract_muldiv): Only fold division into multiplication for sizetypes.
9231 * function.c (assign_parms): Use size_diffop and make sure
9232 VAR field is of ssizetype; also pass proper type to size_binop.
9233 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
9234 (round_down): Deleted from here.
9235 * store-layout.c (sizetype_tab): Now an array.
9236 (sizetype_set, early_root_list): New variables.
9237 (variable_size): Use size_one_node.
9238 (round_up): Pass proper type to size_binop.
9239 (round_down): Moved to here and corrected as above.
9240 (layout_record): Pass proper arg types to size_binop.
9241 (layout_type): Likewise.
9242 If sizetype_set is zero, record the type just laid out.
9243 (make_unsigned_type): Don't call set_sizetype;
9244 (make_signed_type): Likewise; also, call fixup_signed_type.
9245 (initialize_sizetypes): New function.
9246 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
9247 set name of bitsizetype to "bit_size_type".
9248 Fix up type of sizes of all types made before call.
9249 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
9250 * tree.c (fix_sizetype): Deleted.
9251 (build_common_tree_nodes): Call initialize_sizetypes.
9252 (build_common_tree_nodes_2): Don't call fix_sizetype.
9253 * tree.h (TYPE_IS_SIZETYPE): New macro.
9254 (initialize_sizetype): New declaration.
9255 (enum size_type_kind): New type.
9256 (struct sizetype_tab): Deleted.
9257 (sizetype_tab): Now array; adjust sizetype macros.
9258 (size_diffop, size_int_type_wide): New functions.
9259 (size_int_wide): Change number of args and type; access macros changed.
9260 (ssize_int, sbitsize_int): New macros.
9261 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
9262 (ROUND_TYPE_SIZE_UNIT): New macro.
9264 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
9266 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
9268 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9270 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
9271 Mark as possibly unused.
9273 * cse.c (cse_insn): Delete dead code involving tablejump.
9274 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
9276 * Makefile.in (libcpp.a): Start by deleting it.
9278 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9280 * cpplib.h (enum file_change_code): Added rename_file.
9281 * cpplib.c (do_line): If a filename is given, set file_change to
9283 (output_line_command): If file_change is rename_file, always
9284 output a # directive with the file name.
9286 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
9288 2000-02-26 Mark Mitchell <mark@codesourcery.com>
9290 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
9291 when copying a PARM_DECL or RESULT_DECL.
9293 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9295 * fix-header.c (recognized_function): Also fix prototypes for
9296 functions taking "void".
9298 2000-02-26 Geoff Keating <geoffk@cygnus.com>
9300 * reload1.c (do_output_reload): Check reg_reloaded_valid before
9301 looking at reg_reloaded_contents.
9303 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
9305 * Makefile.in (STMP_FIXINC): New toggle.
9306 (LIBGCC2_DEPS): Delete all references.
9307 (stmp-headers): Delete target. All references either deleted
9308 or changed to stmp-int-headers.
9309 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
9310 (LIBCPP_OBJS): Take out cppalloc.o.
9311 (cppalloc.o): Delete target.
9312 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
9313 (gen-protos, fix-header): Link with libiberty.a.
9314 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
9317 * configure.in: Remove refs to strerror.
9318 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
9319 * system.h: Take out strerror stanza.
9321 * cpperror.c (my_strerror): Delete function.
9322 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
9323 * cppmain.c (main): Call xmalloc_set_program_name first thing.
9324 * cppalloc.c: Delete file.
9325 * gen-protos.c: Don't provide xrealloc.
9327 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
9328 xstrerror throughout.
9330 2000-02-26 Bruce Korb <bkorb@gnu.org>
9332 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
9333 match for DOS headers, too.
9334 * fixinc/inclhack.sh,fixincl.x: Regenerate.
9336 2000-02-26 Geoff Keating <geoffk@cygnus.com>
9338 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
9339 is right for most ELF targets.
9340 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
9341 Let the default file use %U properly.
9342 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
9345 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
9348 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9350 * toplev.c (documented_lang_options): Correct spelling error.
9351 (decode_d_option, decode_f_option, main): Likewise.
9353 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
9355 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
9356 to tell assembler it is permitted to expand large constants.
9358 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
9360 * protoize.c: (AUX_INFO_SUFFIX): New macro.
9361 (aux_info_suffix): Use.
9362 (SAVE_SUFFIX): New macro.
9364 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
9365 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
9366 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
9368 * invoke.texi (Running Protoize): Update documentation.
9370 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
9372 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
9374 2000-02-25 John Wehle (john@feith.com)
9376 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
9378 2000-02-25 Anthony Green <green@cygnus.com>
9380 * toplev.c (rest_of_compilation): Rebuild jump labels if
9381 combine_instructions has created a new direct jump.
9382 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
9384 (combine_instructions): Call try_combine with new argument.
9385 Return non-null value when new direct jump instruction is created.
9386 * rtl.h: combine_instructions returns an int.
9388 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
9390 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
9391 jump when changing a computed jump into a jump to a known
9394 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
9396 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
9397 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
9399 * i386.md (define_expand "clrstrsi"): Fix typo.
9401 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
9403 * rtl.texi: Fix typo.
9405 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9407 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
9408 UNITS_PER_WORD. Change caller initial_elimination_offset.
9409 (rounded_frame_size): Take into account that argument pushed has
9410 changed. Fix TARGET_ALIGN_DOUBLE problem.
9412 2000-02-25 Geoff Keating <geoffk@cygnus.com>
9414 * haifa-sched.c (schedule_block): Explain the real reason
9415 we delete REG_SAVE_NOTEs on the first insn of a block.
9416 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
9418 2000-02-24 Mark Mitchell <mark@codesourcery.com>
9420 * input.h (push_srcloc): New function.
9421 (pop_srcloc): Likewise.
9422 * toplev.c (push_srcloc): Define it.
9423 (pop_srcloc): Likewise.
9425 2000-02-24 Richard Henderson <rth@cygnus.com>
9427 * flow.c (life_analysis): When collecting reg info, clear
9430 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9432 Fix bug exposed by reload.c no longer rounding the frame
9433 size to BIGGEST_ALIGNMENT:
9434 * sh.c (rounded_frame_size): New function.
9435 (sh_expand_prologue, sh_expand_epilogue): Use it.
9436 (initial_elimination_offset): Likewise.
9438 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9440 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
9441 * sh-protos.h (sh_need_epilogue): Declare.
9442 * sh.c (sh_need_epilogue_known): New static variable.
9443 (sh_need_epilogue): New function.
9444 (function_epilogue): Clear need_epilogue_known.
9445 * sh.md (return): Split into expander / insn pattern.
9446 Make the expander conditional on ! sh_need_epilogue ().
9448 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
9450 * machmode.h (get_mode_alignment): Declare.
9451 (GET_MODE_ALIGNMENT): Call it.
9452 * stor-layout.c (get_mode_alignment): New function. Make
9453 sure alignment is always power of 2.
9455 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9457 * i386.h: Remove useless definition of "I386" and misleading
9460 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9462 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
9463 under which TREE_PERMANENT will be set.
9464 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
9465 build1): Use TREE_SET_PERMANENT.
9466 * print-tree.c (print_node): Don't report value of
9467 TREE_PERMANENT if ggc_p is true.
9469 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
9470 decide whether to give a type a new alias set.
9471 * objc/objc-act.c (build_objc_string_object): Never copy the string.
9472 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
9473 of value of 'obstack'.
9476 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9478 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
9480 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9482 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
9483 * cpplib.c (cpp_get_token): Produce them.
9484 * cppexp.c (cpp_lex): Handle them.
9486 2000-02-23 Nick Clifton <nickc@cygnus.com>
9488 * config/arm/arm.c (arm_comp_type_attributes): Simply and
9489 comment tests on type attributes.
9491 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9493 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
9494 conform to documentation.
9495 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
9496 to check for special cases.
9497 * sh-protos.h (sh_loop_align): Declare.
9498 * sh.c (sh_loop_align): Define.
9500 2000-02-22 Andrew Haley <aph@cygnus.com>
9502 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
9503 (SIZE_TYPE): Is 32 bits when using -mgp32.
9504 (PTRDIFF_TYPE): Ditto.
9506 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9508 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
9510 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9512 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
9513 BIGGEST_FIELD_ALIGNMENT a constant.
9515 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
9517 * dwarf2out.c (output_line_info): Put the marker for the end of
9518 the line number info at the actual end.
9519 (gen_struct_or_union_type_die): Use decl_function_context
9520 to check for local classes.
9521 * dwarfout.c (output_type): Likewise.
9523 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
9525 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
9526 for arguments with a mode, but no type.
9527 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
9528 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
9529 * pa/long_double.h: New file.
9530 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
9531 both have 128bit wide long doubles.
9532 * configure: Rebuilt.
9534 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9536 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
9538 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
9539 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
9540 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
9542 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
9544 * integrate.c (compare_blocks, find_block): Likewise.
9546 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
9548 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
9550 * stmt.c (stmt_status, set_file_and_line_for_stmt,
9551 expand_asm_operands): Likewise.
9553 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
9555 * predict.c (estimate_probability): Added the pointer heuristic to
9556 the collection of static branch predictors.
9558 2000-02-21 Catherine Moore <clm@cygnus.com>
9560 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
9561 * invoke.texi (-mfix7000): Document.
9563 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
9565 * diagnostic.c (init_output_buffer): Make it possible to output at
9566 least 32 characters if we're given a too long prefix.
9568 2000-02-20 Mark Mitchell <mark@codesourcery.com>
9570 * varasm.c (initializer_constant_valid_p): Call
9571 lang_expand_constant to simplify the constant.
9573 2000-02-20 Bruce Korb <bkorb@gnu.org>
9575 * fixinc/inclhack.def(stdio_va_list):
9576 typedef needs to be disabled.
9577 * fixinc/inclhack.sh: regen
9578 * fixinc/fixincl.x: regen
9580 2000-02-20 Geoff Keating <geoffk@cygnus.com>
9582 * print-rtl.c (print_rtx): Don't print addresses when
9583 flag_dump_unnumbered.
9585 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9587 * sparc.c (sparc_output_scratch_registers): Mark parameter with
9589 (sparc_va_arg, sparc_flat_output_function_prologue,
9590 sparc_flat_output_function_epilogue): Cast value to unsigned in
9592 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
9594 * sparc.md: Add default case in switch.
9596 2000-02-19 Richard Henderson <rth@cygnus.com>
9598 * c-typeck.c (add_pending_init): Don't abort for multiple
9599 fields at the same offset.
9600 (pending_init_member): Test the correct member.
9602 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9604 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
9606 (start_catch_handler) : Same.
9608 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
9610 * Makefile.in: Have flow.o depend on $(EXPR_H)
9612 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9614 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
9615 * c-decl.c (duplicate_decls, finish_enum): Likewise.
9616 (finish_decl): Remove -Wlarger-than code from here.
9617 * flags.h (id_clash_len): Now int.
9618 (larger_than_size): Now HOST_WIDE_INT.
9619 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
9620 Clean up checking to see if in table.
9621 (make_bit_field_ref): Remove extra parm to bitsize_int.
9622 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
9623 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
9624 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
9625 and for computing size of decl.
9626 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
9627 Move -Wlarger-than code to here.
9628 (layout_record): Remove extra arg to bitsize_int.
9629 Set TYPE_BINFO_SIZE_UNIT.
9630 (layout_union): Remove extra arg to bitsize_int.
9631 Use proper type for size of QUAL_UNION.
9632 (layout_type): Remove extra arg to bitsize_int.
9633 * toplev.c (id_clash_len): Now int.
9634 (larger_than_size): Now HOST_WIDE_INT.
9635 (decode_W_option): Clean up id-clash and larger-than- cases.
9636 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
9637 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
9638 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
9639 (struct tree_decl): New field size_unit.
9640 (size_int_wide): No HIGH operand; NUMBER is now signed.
9641 (size_int_2): Deleted.
9642 (size_int, bitsize_int): Don't use it and rework args.
9643 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
9645 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
9647 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
9649 2000-02-18 Geoff Keating <geoffk@cygnus.com>
9651 * invoke.texi (Warning Options): Add an explanation of why
9652 you might want the -Wfloat-equal flag.
9654 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9656 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
9657 * cppinit.c (new_pending_define): Add cast to avoid warning.
9658 * expmed.c (extract_bit_field): Likewise.
9659 * flow.c (enum reorder_skip_type): New type.
9660 (skip_insns_between_blcok): New it.
9661 Rework to avoid warning about possibly undefined variable.
9662 * function.c (assign_parms): Make thisparm_boundary unsigned.
9663 * genrecog.c (write_switch): Cast XWINT result to int.
9664 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
9665 * mips-tfile.c (init_file): Make two versions of FDR intializer:
9666 one for MIPS and one for Alpha.
9667 (get_tag, copy_object): Add casts to avoid warnings.
9668 * optabs.c (init_one_libfunc): Cast NAME to (char *).
9669 * reload.c (find_reloads): Make TYPE enum reload_type.
9670 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
9671 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
9672 * varasm.c (compare_constant_1): Add cast to avoid warning.
9673 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
9675 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
9676 Cast switch operand of size to int.
9677 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
9678 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
9681 2000-02-18 Nick Clifton <nickc@cygnus.com>
9683 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
9684 anything for an alignment of zero.
9686 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
9687 anything for an alignment of zero.
9689 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
9691 * gcc.texi (Bug Reporting): Refer to bugs.html.
9692 (Bug Lists): Likewise.
9693 * system.h (GCCBUGURL): New preprocessor define.
9694 * rtl.c (fancy_abort): Use it.
9695 * gcc.c (main): Likewise.
9697 2000-02-18 Richard Henderson <rth@cygnus.com>
9699 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
9700 (life_analysis_1): Subsume into ...
9701 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
9702 Use update_life_info for the relaxation.
9703 (update_life_info): Update REG_BASIC_BLOCK for registers live on
9704 entry and regs_live_at_setjmp.
9705 (set_noop_p): Simplify.
9706 (notice_stack_pointer_modification_1): Renamed from s/_1//.
9707 (record_volatile_insns): Split into ...
9708 (delete_noop_moves): ... here,
9709 (notice_stack_pointer_modification): ... here,
9710 (insn_dead_p): ... and here.
9711 (propagate_block): Don't query INSN_VOLATILE.
9712 (mark_used_regs): Mind !PROP_REG_INFO.
9713 * toplev.c (rest_of_compilation): Call mark_constant_function here,
9714 not in life_analysis.
9716 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
9718 * loop.c (canonicalize_condition): New function,
9719 broken out of get_condition.
9720 (get_condition): Use it.
9721 * expr.h (canonicalize_condition): Prototype it.
9723 * tree.h (tree_int_cst_msb): Declare.
9724 * tree.c (tree_int_cst_msb): New function.
9726 2000-02-17 Mark Mitchell <mark@codesourcery.com>
9728 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
9731 * invoke.texi (-fmessage-length=n): Document.
9733 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
9735 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
9737 2000-02-17 Mark Mitchell <mark@codesourcery.com>
9739 * function.c (thread_prologue_and_epilogue_insns): Put a line note
9742 2000-02-17 Nick Clifton <nickc@cygnus.com>
9744 * config/arm/thumb.c: Replace includes of system headers with
9745 #include "system.h".
9747 2000-02-16 Richard Henderson <rth@cygnus.com>
9749 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
9750 Add crtbeginS.o and crtendS.o.
9751 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
9752 (ENDFILE_SPEC): Use crtendS.o.
9753 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
9755 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
9756 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
9758 (__dso_handle): New variable.
9759 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
9760 bias to __CTOR_END__.
9762 2000-02-16 Richard Henderson <rth@cygnus.com>
9764 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
9766 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
9768 * longlong.h (__clz_tab): Declare as static to match definition.
9770 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
9772 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
9773 (XREF_FILE_NAME): Define.
9775 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
9776 (EH_FRAME_SECTION_ASM_OP): Define.
9777 (IDENT_ASM_OP): Define.
9778 (TEXT_SECTION_ASM_OP): Define.
9780 (CTORS_SECTION_ASM_OP): Define.
9781 (CTOR_SECTION_FUNCTION): Use it.
9782 (DTORS_SECTION_ASM_OP): Define.
9783 (DTOR_SECTION_FUNCTION): Use it.
9785 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
9787 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
9790 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
9791 debug_bb_n): New functions.
9792 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
9793 * basic-block.h: Prototype new functions.
9795 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
9797 * configure.in: Add support for avr target.
9798 * configure: Rebuilt.
9800 * invoke.texi: Add AVR invocation docs.
9801 * install.texi: Add information about AVR.
9802 * md.texi: Add AVR constraint letters description.
9803 * extend.texi: Add description for AVR specific attributes.
9805 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
9807 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
9809 2000-02-16 Nick Clifton <nickc@cygnus.com>
9811 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
9812 (make_insn_raw): Move RTL check here.
9814 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9816 * version.c: Include gansidecl.h and version.h.
9818 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
9820 * configure.in (gcc_version): When setting, narrow search to
9821 lines containing `version_string'.
9823 * Makefile.in (mainversion): Likewise.
9824 (GCC_H): New variable.
9825 (gcc.h): Delete target.
9826 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
9827 (version.o): Depend on version.h.
9828 (dbxout.o): Don't depend on gcc.h.
9830 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
9831 Michael Meissner <meissner@cygnus.com>
9833 * md.texi (Simple Constraints): Add item about whitespace.
9834 * genoutput.c (strip_whitespace): New.
9835 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
9836 strip_whitespace for constraints.
9837 Test pointer using NULL, not 0.
9839 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9841 * cpplib.c (do_line): Pedwarn for #line > 32767.
9843 * c-lex.c (readescape): Warn about '\x', but do not reject it.
9845 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
9847 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
9848 to default cpp spec.
9849 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
9850 * cpp.texi: Document __GNUC_PATCHLEVEL__.
9853 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
9856 2000-02-15 Denis Chertykov <denisc@overta.ru>
9858 * configure.in: Add support for avr target.
9860 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9862 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
9863 (sh_addr_diff_vec_mode): Don't declare.
9864 * sh.c (sh_addr_diff_vec_mode): Delete.
9866 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9868 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
9870 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9872 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
9873 (smulsi3_highpart_i): Name.
9874 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
9875 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
9876 (smulsi3_highpart, umulsi3_highpart): Likewise.
9878 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
9879 correctly independent of endianness.
9880 (mulsidi3, umulsidi3): Now define_insn. Hide details that
9881 confuse the optimizers.
9882 (mulsidi3+1, umulsidi3+1): New define_split.
9884 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
9886 * config/sh/sh.md: Guard insn splits against illegal registers.
9887 * config/sh/sh.h: Correct comment about macros.
9889 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9890 Andrew MacLeod <amacleod@cygnus.com>
9892 * Makefile.in (lcm.o): Depend on insn-attr.h.
9893 * basic-block.h (optimize_mode_switching): Declare.
9894 * lcm.c (tm_p.h, insn-attr.h): #include.
9895 (seginfo, bb_info): New structs.
9896 (antic, transp, comp, delete, insert) : New file-scope static variables.
9897 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
9898 (reg_becomes_live, optimize_mode_switching): Likewise.
9899 * tm.texi: Add description of mode switching macros.
9900 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
9902 * sh-protos.h (remove_dead_before_cse): Remove prototype.
9903 (fldi_ok, fpscr_set_from_mem): New prototypes.
9904 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
9905 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
9906 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
9907 (sh_flag_remove_dead_before_cse): Remove declaration.
9908 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
9909 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
9910 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
9911 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
9912 (barrier_align): Allow for JUMP_INSNS containing a parallel.
9913 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
9914 (fldi_ok): New function.
9915 (get_fpscr_rtx): Add fpscr_rtx as GC root.
9916 (emit_sf_insn): Only generate fpu switches when optimize < 1.
9917 (emit_df_insn): Likewise.
9918 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
9919 (sh_flag_remove_dead_before_cse): Delete.
9920 (get_free_reg, fpscr_set_from_mem): New functions.
9921 * sh.md (movdf, movsf): Remove no_new_pseudos code.
9922 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
9924 2000-02-15 Loren Rittle <ljrittle@acm.org>
9926 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
9928 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9930 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
9931 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
9933 * cccp.c: Include version.h and/or don't declare `version_string'.
9934 * collect2.c: Likewise.
9935 * alpha.c: Likewise.
9936 * arm/aof.h: Likewise.
9937 * arm/coff.h: Likewise.
9938 * arm/elf.h: Likewise.
9939 * arm/pe.h: Likewise.
9940 * arm/tcoff.h: Likewise.
9941 * arm/telf.h: Likewise.
9942 * arm/tpe.h: Likewise.
9943 * arm/vxarm.h: Likewise.
9944 * convex/convex.c: Likewise.
9945 * i386/dgux.c: Likewise.
9946 * i386/sun386.h: Likewise.
9947 * m88k/m88k.c: Likewise.
9948 * mcore/mcore-pe.h: Likewise.
9949 * mips/mips.h: Likewise.
9950 * romp/romp.h: Likewise.
9951 * sh/sh.c: Likewise.
9952 * cpphash.c: Likewise.
9953 * cppinit.c: Likewise.
9954 * dwarf2out.c: Likewise.
9955 * dwarfout.c: Likewise.
9958 * mips-tfile.c: Likewise.
9959 * protoize.c: Likewise.
9960 * toplev.c: Likewise.
9963 * version.c (version_string): Constify a char*.
9965 * version.h: New file.
9967 2000-02-14 Nick Clifton <nickc@cygnus.com>
9969 * configure.in: Add mcore-elf and mcore-pe targets.
9970 * configure: Regenerate.
9972 * NEWS: Add note that MCore port has been contributed.
9974 * invoke.texi: Document command line switches for MCore port.
9975 * install.texi: Add MCore to list of supported targets.
9977 2000-02-14 Geoff Keating <geoffk@cygnus.com>
9979 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
9980 then we will need to import the frame handling functions.
9981 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
9982 to import the frames themselves.
9984 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
9985 Jason Eckhardt <jle@cygnus.com>
9987 * basic_block.h: Added prototype for reorder_basic_blocks.
9988 * toplev.c: Changes to add -freorder-blocks and graph dump after
9989 block reordering is done.
9990 * flow.c (reorder_block_def): New structure for use during block
9992 (REORDER_BLOCK_*): New macros to access members of above structure.
9993 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
9994 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
9995 functions for block reordering.
9997 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
9999 * gcc.texi (Passes): Fix typo.
10000 * md.texi (Standard Names): Ditto.
10001 * tm.texi (Storage Layout): Ditto.
10003 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
10005 * cpplib.c (do_define): Only free the old definition if it
10008 2000-02-13 Neil Booth <NeilB@earthling.net>
10010 * cppfiles.c (read_and_prescan): When emitting deferred
10011 newlines, test speccase[] again instead of checking each
10012 possible whitespace character in turn. When we encounter \r,
10013 look behind for \n first, then ahead.
10015 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
10017 * cse.c (cse_altered): New internal flag.
10018 (cse_insn): Set it if we changed an insn.
10019 (cse_main): Clear cse_altered before each basic block.
10020 Only garbage collect if cse_altered is true afterward.
10022 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10024 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
10026 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
10028 * combine.c (simplify_comparison): Fix typo.
10030 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
10032 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
10035 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10037 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
10038 previously inserted node instead of root node. Caller changed.
10040 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10042 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
10044 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10046 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
10047 __dereg_frame_dtor): Add prototype argument.
10049 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
10051 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
10053 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
10055 * gthr-vxworks.h (__gthread_once): Likewise.
10057 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
10059 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
10061 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
10062 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
10063 stack pointer in functions w/o saved registers, output LEAVE more often
10064 on TARGET_USE_LEAVE machines.
10066 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
10068 * config/arm/arm.c (arm_init_cumulative_args); New function:
10069 Initlaise the CUMULATIE_ARGS strcuture for a function
10071 (arm_function_arg): New function: Determine where to place a
10072 function's argument. Also handles deciding the function's
10074 (current_file_function_operand): New function: Return true if
10075 the symbol is a function which has already been compiled.
10076 (arm_is_long_call_p): New function: Return true if the
10077 indicated function should be called via a long call.
10078 (arm_valid_type_attribute_p): New function: Return true if the
10079 attribute is a valid, arm specific, attribute.
10080 (arm_comp_type_attribute): New function: Return true if the
10081 two types have compatable, arm specific, attributes.
10083 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
10085 (FUNCTION_ARG): Redefine to call arm_function_arg.
10086 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
10088 (INIT_CUMULATIVE_ARGS): Redefine to call
10089 arm_init_cumulative_args.
10090 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
10092 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
10094 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
10096 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
10097 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
10098 (COMP_TYPE_ATTRIBUTES): Define.
10100 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
10101 if a long call is needed.
10102 (call_value): Call arm_is_long_call_p to decide if a long call
10104 (call_symbol): Call arm_is_long_call_p to decide if a long call
10107 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
10109 2000-02-11 Denis Chertykov <denisc@overta.ru>
10111 * README.AVR: New file with information about the avr ports.
10112 * config/avr: New directory with avr port files.
10114 2000-02-11 Andreas Jaeger <aj@suse.de>
10116 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
10118 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
10120 * cpphash.c: Fix formatting, update commentary.
10121 (dump_definition): Take three separate arguments instead of a
10122 MACRODEF structure argument.
10123 * cpphash.h: Update prototype of dump_definition.
10124 * cppinit.c (cpp_finish): Update call of dump_definition.
10126 * cpplib.c (do_define): Always create new hash entry with
10127 T_MACRO type. Remove redundant check for redefinition of
10128 poisoned identifier. Update call of dump_definition.
10129 (do_undef): Don't call check_macro_name. Rename sym_length to
10131 (do_error, do_warning): Don't use copy_rest_of_line or
10133 (do_warning): Don't use pedwarn for the actual warning,
10134 only the notice about its not being in the standard. (Fixes
10135 bug with #warning in system headers.)
10136 (do_ident): Stricter argument checking - accept only a single
10137 string after #ident. Also, macro-expand the line.
10138 (do_xifdef): Use cpp_defined. De-obfuscate.
10140 (do_pragma): Split out specific pragma handling to separate
10141 functions. Use get_directive_token. Update commentary. Do
10142 not pass on #pragma once or #pragma poison to the front end.
10143 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
10144 do_pragma_default): New.
10146 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
10148 * jump.c (jump_optimize_1): The first operand in a relational
10149 can be a CONST_INT.
10150 * optabs.c (emit_conditional_move): Handle relationals which
10151 have a known true/false result.
10153 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10155 * function.c (thread_prologue_and_epilogue_insns): Don't insert
10156 a RETURN insn into a block which already ends with a jump.
10158 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10160 * haifa-sched.c (BUF_LEN): Increase a lot.
10162 2000-02-11 Nick Clifton <nickc@cygnus.com>
10164 * configure.in: Add tm_p_file specification for thumb targets.
10165 * configure: Regenerate.
10167 * config/arm/thumb-protos.h: New file: Prototypes for exported
10168 functions defined in thumb.c.
10170 2000-02-11 Robert Lipe <robertl@sco.com>
10172 * Makefile.in (bootstrap-lean): Remove additional files.
10173 (bootstrap2-lean): Likewise.
10174 (VOL_FILES): List of files for above.
10176 2000-02-11 Nathan Sidwell <nathan@acm.org>
10178 * cpphash.c (special_symbol): Remove spurious argument to
10181 2000-02-11 Joel Sherrill (joel@OARcorp.com>
10183 * configure.in: (i*86-*-rtems*): Swapped elf and coff
10185 * configure: Rebuilt.
10187 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
10189 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
10191 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
10193 * pa.c, pa.h: Remove trigraph sequences within comments.
10195 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
10197 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
10199 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
10201 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
10203 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10205 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
10207 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10209 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
10210 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
10211 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
10212 (ASM_FILE_END): Use c4x_file_end.
10213 * config/c4x/c4x.c (c4x_global_label): New function.
10214 (c4x_external_ref, c4x_file_end): Likewise.
10216 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
10217 (c4x_external_ref, c4x_end_file): Likewise.
10219 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
10221 * cppexp.c: Don't include cpphash.h.
10222 (parse_charconst, cpp_lex): Use cpp_defined.
10223 (cpp_lex): Use get_directive_token throughout. Remove
10224 unnecessary cases from switch. Move assertion-handling code
10225 down to OTHER case.
10226 (cpp_parse_expr): If we see '+' or '-', check the context to
10227 determine if they are unary or binary operators. Streamline
10228 the jumps a bit. Do not call skip_rest_of_line.
10230 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
10231 static. Export get_directive_token. Update commentary.
10232 (cpp_defined): New function.
10233 (do_define): Remove reference to T_PCSTRING. Call
10234 free_definition to release memory for old definition, when
10235 redefining a macro.
10236 (eval_if_expression): Set only_seen_white to 0 before calling
10237 cpp_parse_expr. Call skip_rest_of_line after it returns.
10238 (cpp_read_check_assertion): Don't preserve a pointer into the
10239 token buffer across a call to cpp_get_token.
10241 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
10242 * cppfiles.c (redundant_include_p): Use cpp_defined.
10243 * cpphash.c (free_definition): New function.
10244 (delete_macro): Use it. Update commentary.
10245 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
10247 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
10248 from enum node_type. Prototype cpp_defined and get_directive_token.
10249 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
10251 * fix-header.c (check_macro_names): Use cpp_defined.
10252 (read_scan_file): Set inhibit_warnings and inhibit_errors in
10253 the options structure.
10255 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10257 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
10259 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
10261 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
10262 rather than die->die_tag.
10264 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10266 * combine.c (make_extraction, force_to_mode): Avoid warning on
10267 mixed-signedness conditionals.
10268 (make_field_assignment, nonzero_bits): Likewise.
10269 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
10270 (store_split_bit_field, extract_split_bit_field): Likewise.
10271 (extract_fixed_bit_field, store_bit_field,
10272 * expr.c: Change alignment to be unsigned everywhere.
10273 (move_by_pieces, store_constructor_field, store_constructor):
10274 Alignment parm is unsigned.
10275 (emit_block_move, emit_group_load, emit_group_store): Likewise.
10276 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
10277 (do_compare_rtx_and_jump): Likewise.
10278 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
10279 Compare align with GET_MODE_ALIGNMENT.
10280 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
10281 (get_inner_reference): Likewise.
10282 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
10283 (expand_assignment): Local vars for alignment now unsigned.
10284 (store_constructor, store_field, expand_expr, do_jump): Likewise.
10285 (do_compare_and_jump): Likewise.
10286 (store_field): Call new function expr_align.
10287 * expr.h (emit_block_move, emit_group_load, emit_group_store):
10288 Alignment arg now unsigned.
10289 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
10290 (do_compare_rtx_and_jump, store_bit_field): Likewise.
10291 (extract_bit_field): Likewise.
10292 * fold-const.c (add_double): Add cast to eliminate signedness warning.
10293 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
10294 (get_best_mode): Alignment arg is unsigned.
10295 * rtl.h (move_by_pieces): Likewise.
10296 * store-layout.c (maximum_field_alignment, set_alignment):
10298 (layout_decl): Alignment arg is now unsigned.
10299 Remove unneeded casts.
10300 (layout_record, layout_union, layout_type): Remove unneeded casts.
10301 Local alignment variables now unsigned.
10302 (get_best_mode): Alignment arg now unsigned.
10303 * tree.c (expr_align): New function.
10304 * tree.h (expr_align): Likewise.
10305 (maximum_field_alignment, set_alignment): Now unsigned.
10306 (get_inner_reference): Alignment argument is now pointer to unsigned.
10307 * varasm.c (assemble_variable): Add cast to eliminate warning.
10309 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
10311 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
10312 then store directly into op0.
10314 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
10315 the CALL_INSN, and emit the note immediately after it.
10317 2000-02-10 Nick Clifton <nickc@cygnus.com>
10319 * config/arm/thumb.md (epilogue): Include a (return) in the
10320 generated insn, and emit it using emit_jump_insn not
10323 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
10325 * function.c (assign_temp): Change zero-sized arrays to size 1.
10326 * integrate.c (expand_inline_function): Do not update
10327 stack_alignment_needed
10328 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
10329 add some sanity checking, remove optimization for function with
10332 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10334 * flow.c (mark_regs_live_at_end): Delete unused variables.
10336 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
10338 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
10339 in macro FRAME_GROWS_DOWNWARD.
10341 * stmt.c (expand_end_bindings): Delete unused variable.
10343 * unroll.c (iteration_info): Mark parameter `loop' with
10346 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10348 * fixinc/server.c (load_data): Return NULL if the marker line is
10350 (run_shell): If load_data returns NULL, retry the command once, in
10353 * configure: Rebuilt.
10355 2000-02-09 Bruce Korb <bkorb@gnu.org>
10357 * gcc/fixincludes: ** DELETED **
10358 * gcc/fixcpp: ** DELETED **
10359 * gcc/fixinc-nt.sed: ** DELETED **
10360 * gcc/just-fixinc: ** DELETED **
10361 * gcc/Makefile.in: Removed out-dated commentary
10362 * gcc/configure.in: Removed fast-fixincludes disablement.
10363 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
10365 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10366 * function.c (thread_prologue_and_epilogue_insns): Uncomment
10369 2000-02-09 Richard Henderson <rth@cygnus.com>
10371 * jump.c (delete_insn): Don't delete user labels at -O0.
10373 2000-02-09 Robert Lipe <robertl@sco.com>
10375 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
10376 Don't link with HOST_LIBS.
10378 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10380 * configure.in: Correct --help text for --with-dwarf2.
10381 Put tm-dwarf2.h after other tm files, if it's requested.
10382 * configure: Regenerate.
10383 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
10386 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10388 * cpplib.h: Provide HASHNODE typedef and forward decl of
10389 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
10390 DEFINITION, struct hashnode, struct macrodef, struct
10391 definition, scan_decls prototype, default defn of
10392 INCLUDE_LEN_FUDGE moved elsewhere.
10394 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
10395 definition, and struct hashnode moved here. Remove the unused
10396 'predefined' field from struct definition. Replace the 'args'
10397 union with its sole member. All users updated (cpphash.c).
10398 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
10399 multiple include guard.
10401 * cpphash.c (hashf): Make static; use better algorithm; drop
10402 HASHSIZE parameter; return an unsigned int.
10403 (cpp_lookup): Drop HASH parameter. PFILE parameter is
10404 used. Calculate HASHSIZE modulus here.
10405 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
10407 (create_definition): Drop PREDEFINITION parameter.
10408 * cpplib.c (do_define): Don't calculate a hash value here.
10409 Don't pass (keyword == NULL) to create_definition.
10411 * scan.h: Prototype scan_decls here.
10412 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
10413 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
10414 callers of cpp_lookup and cpp_install updated.
10416 * cpphash.c (macarg): Hoist all the flag diddling out of the
10418 (macroexpand): ... and out of the loop that calls macarg.
10419 Skip over the initial paren before macro arguments with
10420 cpp_get_non_space_token; point may be some distance before
10421 that paren. Abort if it's not there.
10423 * cpplib.c (parse_clear_mark): Delete function.
10424 (parse_set_mark, parse_goto_mark): Make static.
10425 (ACTIVE_MARK_P): New macro.
10426 (skip_block_comment, skip_line_comment): Do not bump the line
10427 if ACTIVE_MARK_P is true.
10428 (cpp_pop_buffer): The buffer to be popped may not have an
10430 (cpp_get_token): When looking for the initial paren before
10431 macro arguments, only set a mark in a file buffer, Always
10432 return to that mark before proceeding to call macroexpand or
10433 return a NAME token.
10435 * cpplib.h: Remove prototypes of parse_set_mark,
10436 parse_clear_mark, parse_goto_mark.
10437 (struct cpp_options): Rename 'put_out_comments' to
10438 'discard_comments' and invert its sense.
10439 * cppinit.c, cpphash.c, cpplib.c: All users of
10440 put_out_comments changed to use discard_comments, with
10443 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10445 * function.c (thread_prologue_and_epilogue_insns): Don't delete
10446 the edge from a block that both jumps and falls through to the
10449 2000-02-09 Scott Bambrough <scottb@netwinder.org>
10451 * config/arm/arm.md (movsi): In PIC mode, make sure that a
10452 constant source address is legitimate.
10454 2000-02-09 Philip Blundell <pb@futuretv.com>
10456 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
10459 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
10461 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
10463 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10465 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
10466 ends with a newline and a NUL. Don't be so clever manipulating
10469 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
10471 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
10472 not to BIGGEST_ALIGNMENT.
10474 2000-02-08 Geoff Keating <geoffk@cygnus.com>
10476 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
10477 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
10478 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
10479 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
10480 * frame.c (execute_cfa_insn): Handle
10481 DW_CFA_GNU_negative_offset_extended.
10483 2000-02-08 Richard Henderson <rth@cygnus.com>
10485 * flow.c (tidy_fallthru_edges): Split out from ...
10486 (delete_unreachable_blocks): ... here.
10487 (find_basic_blocks): Use it.
10489 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10491 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
10493 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
10495 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
10496 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
10497 (fix-header.o): Don't depend on cpphash.h.
10499 * scan.c (hashstr): New function.
10500 * scan.h: Prototype it.
10501 * fix-header.c: Don't include cpphash.h. Use hashstr.
10502 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
10503 hashstr. Report hash table statistics. Add private
10504 definition of xrealloc.
10506 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10508 * i386.h (TARGET_SWITCHES): Fix typo in option name.
10510 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
10512 * function.c (thread_prologue_and_epilogue_insns): Don't replace
10513 jumps with returns unless they are jumps to the fallthru block.
10515 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
10517 * i386.md (addqi3_cc): Fix contraints.
10519 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
10521 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
10523 2000-02-07 Mark Mitchell <mark@codesourcery.com>
10525 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
10526 carriage return after a macro name.
10528 2000-02-07 Fred Fish <fnf@be.com>
10530 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
10531 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
10533 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
10535 * cppfiles.c (deps_output): Count spacers in deps_column.
10537 2000-02-07 Neil Booth <NeilB@earthling.net>
10539 * cppinit.c (initialize_dependency_output): If there is no
10540 suffix, don't try to look for known suffixes. Use strrchr.
10541 (cpp_start_read): Remove duplicate initialization.
10543 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
10545 * calls.c (compute_argument_block_size): New argument
10546 preferred_stack_boundary.
10547 (expand_call): update cfun->preferred_stack_boundary, update call of
10548 compute_argument_block_size
10549 (emit_library_call): Increate cfun->preferred_stack_boundary
10550 to PREFERRED_STACK_BOUNDARY
10551 (emit_library_call_value): Likewise.
10552 * explow.c (allocate_dynamic_stack_spave): Likewise.
10553 * function.c (prepare_function_start): Set
10554 cfun->preferred_stack_boundary
10555 * function.h (struct function): Add preferred_stack_boundary field.
10556 * integrate.c (expand_inline_function): Update
10557 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
10558 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
10559 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
10561 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
10563 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
10564 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
10565 cpp_pedwarn, cpp_pedwarn_with_line,
10566 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
10567 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
10568 v_cpp_error_with_line, v_cpp_warning_with_line,
10569 cpp_message_from_errno, cpp_perror_with_name): Delete.
10571 * cpperror.c (cpp_print_containing_files): Take starting
10572 buffer as argument.
10573 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
10574 (v_cpp_message): Now called directly by all entry points.
10576 (cpp_pfatal_with_name, cpp_message): Delete.
10577 (cpp_notice_from_errno, cpp_ice): New functions.
10578 (cpp_notice): Is now for reporting error conditions, just
10579 without an associated file.
10580 (cpp_error, cpp_error_with_line): Don't do anything if
10581 opts->inhibit_errors is on.
10582 (cpp_pedwarn_with_file_and_line): Take column argument also.
10584 * cpplib.h: Update prototypes of exported functions.
10585 (struct cpp_options): Add inhibit_errors.
10587 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
10588 non-error messages. Include intl.h.
10590 * cppinit.c, cppmain.c: Likewise. Also, use
10591 cpp_notice_from_errno instead of cpp_perror_with_name or
10592 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
10594 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
10595 report internal errors.
10597 * cpplib.c (do_define): Switch bcopy to memcpy.
10598 Give cpp_pedwarn_with_file_and_line a dummy column argument.
10600 * cpplib.c (copy_rest_of_line): Revert previous change: don't
10601 bail out early if we hit a line comment.
10603 2000-02-06 Richard Henderson <rth@cygnus.com>
10605 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
10606 * basic-block.h: Declare them.
10607 * emit-rtl.h (active_insn_p): New.
10608 (next_active_insn, prev_active_insn): Use it.
10609 * rtl.h: Declare it.
10610 * function.c (emit_return_into_block): New.
10611 (thread_prologue_and_epilogue_insns): Insert return insns instead
10612 of epilogues when possible.
10613 * jump.c (jump_optimize_1): Remove code to insert a return insn
10614 on the fallthru to the exit block.
10616 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
10617 and for non-empty stack frames.
10618 * i386.md (return): Expand to return-pop as needed.
10620 2000-02-06 Richard Henderson <rth@cygnus.com>
10622 * simplify-rtx.c (simplify_relational_operation): Canonicalize
10623 constant to op1 for testing.
10625 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10627 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
10628 (fixuns_truncqfqi2): Use it.
10630 2000-02-06 Richard Henderson <rth@cygnus.com>
10632 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
10633 as a TYPE_LEA insn.
10635 * i386.md (widening and peepholes): Mask the constant instead of
10638 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
10640 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
10641 input pointer before possibly branching off to the backslash
10643 * cpphash.c (macroexpand): Correctly delete \r escapes when
10644 stringifying parameters.
10645 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
10646 if we can; bail out early if we hit a line comment.
10647 (handle_directive): Treat '# 123' in an .S file just like
10648 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
10649 Return 1 for '# not_a_directive'.
10650 (get_directive_token): Pop macro buffers here, so that
10651 cpp_get_token can't sneakily move past a newline.
10653 (cpp_get_token): goto randomchar if handle_directive returns 0.
10655 * cppalloc.c: Update copyright.
10656 * cpplib.c: Merge all the static function prototypes into one
10658 * cpplib.h: Remove #if 0 block.
10660 * cpperror.c: Remove #ifdef EMACS block.
10661 * cppmain.c: Likewise.
10662 * cpphash.c: Remove #if 0 blocks.
10663 * cppinit.c: Remove #if 0 blocks, and the -lint option.
10664 * cpplib.c: Remove #if 0 blocks and code referencing
10665 pcp_inside_if or for_lint. Remove duplicate error message.
10666 Fix error messages for #else after #else or #elif. Reformat.
10667 Remove archaic TODO list.
10668 * cpplib.h: Remove pcp_inside_if and for_lint flags.
10670 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
10672 * i386/osf1elf.h: Add missing backslash to multiline string.
10674 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10676 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
10678 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10680 * Makefile.in (c-common.o): Depend on $(EXPR_H).
10682 * c-common.c: Include expr.h.
10684 * c-pragma.c (mark_align_stack): Add prototype.
10686 * caller-save.c (add_stored_regs): Likewise.
10688 * combine.c (record_promoted_value): Likewise.
10690 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
10693 * cppinit.c (new_pending_define): Likewise.
10695 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
10697 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
10698 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
10699 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
10700 class_scope_p): Likewise.
10702 * dwarf2out.h (dwarf2out_set_demangle_name_func,
10703 dwarf2out_add_library_unit_info): Likewise.
10705 * ggc.h (ggc_page_print_statistics): Likewise.
10707 * haifa-sched.c (propagate_deps): Likewise.
10709 * reg-stack.c (next_flags_user, record_label_references): Likewise.
10711 * rtl.h (set_stack_check_libfunc): Likewise.
10713 * toplev.h (set_fatal_function): Likewise.
10715 * toplev.c (set_fatal_function): Delete prototype.
10717 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
10719 2000-02-05 Geoff Keating <geoffk@cygnus.com>
10721 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
10722 (FUNC_END): Likewise.
10724 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10726 * caller-save.c: Include tm_p.h.
10728 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10730 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
10732 2000-02-04 Neil Booth <NeilB@earthling.net>
10734 * cccp.c (main): Check 'dir' for a NULL pointer before passing
10737 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
10739 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
10740 * genflags.c: Use the max_operand_1 logic from genemit.c to
10741 calculate how many arguments gen_insn prototypes have. Remove
10742 NO_MD_PROTOTYPES ifdefs from the generated file.
10743 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
10744 file. Cast gen_insn initializers to insn_gen_fn.
10745 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
10746 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
10748 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10750 * fixinc/Makefile.in (HDR): Add machname.h.
10753 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10755 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
10756 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
10757 (c4x_cpu_version): Ditto.
10758 * config/c4x/c4x-protos.h: ... here.
10760 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
10762 * dwarf2out.c (add_abstract_origin_attribute): Don't call
10763 gen_abstract_function on our context if we're a nested function.
10765 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10767 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
10768 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
10770 2000-02-04 Bruce Korb <bkorb@gnu.org>
10772 * fixinc/genfixes(machname.h):
10773 Move the functionality from gen-machine.h into this file.
10774 UNdef MN_NAME_PAT if there are no names to change.
10775 Also, be a little kinder when AutoGen is not present.
10777 * fixinc/Makefile.in(machname.h):
10778 Change the generation rule to use genfixes.
10780 * fixinc/fixfixes.c(machine_name):
10781 machine_name_fix's functionality now dependent upon whether
10782 MN_NAME_PAT is defined.
10784 * fixinc/fixtests.c(machine_name):
10787 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
10790 * fixinc/fixlib.h(mn_get_regexps):
10793 * fixinc/gen-machine.h: DELETED
10795 2000-02-04 Jan Hubicka <jh@suse.cz>
10796 Richard Henderson <rth@cygnus.com>
10798 * i386.c (SAVE_REGS_FIRST): Remove.
10799 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
10800 (ix86_compute_frame_size): Likewise.
10801 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
10802 (ix86_emit_restore_regs): Remove.
10803 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
10804 when a frame pointer is in use.
10805 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
10806 instead of pop to restore a register when profitable; emit leave
10808 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
10809 as a TYPE_LEA insn.
10810 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
10811 * i386.md (prologue_allocate_stack): Remove.
10812 (epilogue_deallocate_stack): Remove.
10813 (pro_epilogue_adjust_stack): New.
10815 2000-02-04 Richard Henderson <rth@cygnus.com>
10817 * function.c (diddle_return_value): Rework to use a callback function.
10818 Use current_function_return_rtx if it's been set up.
10819 (do_clobber_return_reg, clobber_return_register): New.
10820 (do_use_return_reg, use_return_register): New.
10821 (expand_function_end): Use them.
10822 * stmt.c (expand_null_return): Likewise.
10823 * function.h: Declare them.
10824 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
10825 (mark_reg): Change arguments as appropriate for callback.
10826 * integrate.c (expand_inline_function): Revert 19 Jan change.
10828 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
10830 * tm.texi (Values in Registers): Fix typo: "fo" "for".
10831 (Misc): Say the scheduler, not the Haifa scheduler.
10833 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
10835 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
10836 when in_mem is set. Update all callers.
10838 2000-02-04 Richard Henderson <rth@cygnus.com>
10840 * i386/openbsd.h (INT_ASM_OP): Define.
10842 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
10844 * tm.texi: Fix various typos.
10846 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
10848 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
10849 (MD_STARTFILE_PREFIX_1): New macro.
10851 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
10853 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
10854 destination when needed.
10855 (strmovsi, strsetsi): New expander.
10856 (strmovsi_1, strsetsi_1): New pattern.
10857 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
10858 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
10859 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
10860 * invoke.texi (align-stringops, inline-all-stringops): Document.
10862 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
10864 * i386/netbsd.h (INT_ASM_OP): Define.
10866 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
10868 * cpplib.h (cpp_reader): Add new flag, no_directives.
10869 * cpphash.c (macarg): Set it.
10870 * cpplib.c (handle_directive): If no_directives is on and we
10871 find a directive, issue an error and discard the line.
10873 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
10875 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
10876 FP constants. Add ! TARGET_FPU check for FP constants.
10878 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
10880 * flow.c (find_basic_blocks): Don't kill label_value_list
10882 (cleanup_cfg): Kill it here.
10884 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10886 * expr.c (store_field): Ensure ALIGN is no stricter than the
10889 2000-02-02 Richard Henderson <rth@cygnus.com>
10891 * jump.c (delete_insn): Partially revert 19 Jan change;
10892 don't convert unused code labels to notes at -O0.
10894 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10896 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
10897 split_all_insns to recreate REG_LABEL notes for flow2 pass.
10899 2000-02-01 Richard Henderson <rth@cygnus.com>
10901 * i386.c (general_no_elim_operand): New.
10902 (nonmemory_no_elim_operand): New.
10903 (ix86_expand_move): Copy eliminable operands before a push.
10904 * i386-protos.h: Declare new functions.
10905 * i386.h (CAN_ELIMINATE): Simplify.
10906 (PREDICATE_CODES): Update.
10907 * i386.md (push insns): Don't allow eliminable register operands.
10909 2000-02-01 Richard Henderson <rth@cygnus.com>
10911 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
10912 replace BLKmode with DECL_RTL's mode.
10914 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
10916 * frame.c (find_fde): Convert for loop to do-while so compiler
10917 sees it's always executed at least once.
10918 * libgcc2.c (BBINBUFSIZE): Kill.
10919 (__bb_init_prg): Use fgets.
10920 (__bb_exit_trace_func): Don't paste strings.
10921 * unroll.c (unroll_loop): Initialize unroll_type, not
10922 unroll_number, and tweak logic to match.
10924 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
10926 (ix86_flags_dependant): Likewise. Disentangle control flow.
10927 (ix86_sched_reorder): Break guts out to
10928 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
10929 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
10932 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
10933 use string concatenation. Don't save and restore esi.
10935 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
10936 (machname.h): Remove script to separate file. Use two-step
10937 sequence so target is not created if script fails.
10938 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
10939 identifiers are defined.
10940 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
10941 an empty string, machine_name doesn't need to do anything at
10943 (is_cxx_header): Add more cases to regexp.
10944 * fixinc/fixlib.h: Update prototype.
10945 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
10947 * fixinc/fixincl.c: Define NO_BOGOSITY.
10949 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
10950 (hp_sysfile): Add missing comma.
10951 (math_exception): Put the wrapper ifdefs at the beginning and
10952 the end of the file.
10953 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
10955 2000-02-01 Richard Henderson <rth@cygnus.com>
10957 * sparc.c (fp_zero_operand): Turn into a normal predicate.
10958 Use CONST0_RTX. Update all callers.
10959 * sparc.h, sparc-protos.h: Update accordingly.
10960 * sparc.md (fp mov insns): Use fp_zero_operand directly
10963 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
10965 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
10968 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10970 * Makefile.in (specs.ready): New target.
10971 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
10973 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10975 * fixinc.irix: Use unique filenames for writing into /tmp,
10976 * fixinc.ptx: Likewise.
10977 * fixinc.sco: Likewise.
10978 * fixinc.svr4: Likewise.
10979 * fixinc.winnt: Likewise.
10981 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10983 * tsystem.h: New file.
10985 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
10986 s-crtS): Depend on tsystem.h.
10988 * crtstuff.c: Include tsystem.h.
10989 * frame.c: Likewise.
10990 * libgcc2.c: Likewise.
10992 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
10994 * builtins.c (expand_builtin_memset): Expand for variable sized
10997 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
10999 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
11002 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11004 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
11006 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
11008 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
11010 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
11011 case 3->2 combining (combining with splitting) in which 2 is CC0
11012 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
11013 checked at the begining of the function with the aid of calling
11014 function 'can_combine_p'.
11016 2000-01-31 Dave Brolley <brolley@redhat.com>
11018 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
11020 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
11022 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
11025 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11027 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
11029 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
11032 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
11034 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
11035 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
11036 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
11037 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
11038 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
11039 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
11040 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
11041 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
11042 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
11043 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
11045 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
11046 Add %(cpp_cpu) to CPP_SPEC.
11048 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
11049 Add %(cc1_cpu) to CC1_SPEC.
11051 2000-01-28 Ulrich Drepper <drepper@redhat.com>
11053 * c-decl.c (c_decode_option): Accept optional numeric argument to
11054 -Wformat and set warn_format.
11055 * c-common.c: Don't emit warning about non-constant printf format
11056 string unless warn_format > 1.
11058 2000-01-30 Richard Henderson <rth@cygnus.com>
11060 * alpha.md (return_internal): Allow after reload only.
11062 2000-01-30 Richard Henderson <rth@cygnus.com>
11064 * i386.c (ix86_compute_frame_size): Omit padding1 if the
11065 local frame size is zero.
11067 2000-01-30 Richard Henderson <rth@cygnus.com>
11069 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
11070 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
11071 * alpha.md (return): Turn into an expander.
11072 (return_internal): Don't use $26.
11073 (epilogue): Emit the return insn.
11075 2000-01-30 Richard Henderson <rth@cygnus.com>
11077 * alpha.md (negtf2, abstf2): Fix word order thinko.
11078 (extendsftf2): New.
11079 (trunctfsf2): Avoid intermediate rounding errors.
11081 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
11083 * cppfiles.c (find_position): Drop 'colp' argument, return the
11085 (read_and_prescan): Adjust to match. Don't ever manipulate
11086 line or line_base except via find_position.
11088 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
11090 * c-parse.in: Apply Ulrich's changes from c-parse.y.
11091 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
11094 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
11096 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
11097 just print "<command line>". If 'filename' is null or an
11098 empty string, print "<stdin>" for the filename.
11099 * cpplib.c (do_define): Don't print the 'location of the
11100 previous definition' message if we're still parsing the
11102 (cpp_pedwarn_with_file_and_line): Always call
11103 cpp_file_line_for_message.
11105 2000-01-29 Mark Mitchell <mark@codesourcery.com>
11107 * flow.c (mark_regs_live_at_end): Fix typo.
11109 2000-01-28 Ulrich Drepper <drepper@redhat.com>
11111 * c-common.c: Adjust variable names, comments, help strings to c99.
11112 * c-lex.c: Likewise.
11113 * c-parse.y: Likewise.
11114 * c-tree.h: Likewise.
11115 * cccp.c: Likewise.
11116 * cpplib.h: Likewise.
11117 * c-decl.c: Likewise. Recognize options with names "*99" as well.
11118 * cppinit.c: Likewise.
11120 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11122 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
11123 * c4x.c: Define the optab rtx values.
11124 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
11125 (c4x_emit_libcall): Use new optab rtx values.
11126 (c4x_emit_libcall3): Likewise.
11127 (c4x_emit_libcall_mulhi): Likewise.
11128 * c4x-protos.h: Add prototypes for optab rtx values and change
11129 prototypes for above c4x_emit_libcall functions.
11131 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11133 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
11135 (c4x_function_prologue): Use regnames intead of float_reg_names when
11137 (c4x_function_epilogue): Likewise.
11138 (c4x_print_operand): Likewise.
11139 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
11140 * c4x.md (set_high): Disable for TARGET_TI.
11142 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11144 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
11145 of framepointer + constant to ADDR_REGS class.
11146 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
11147 * c4x.c (std_or_reg_operand): New function.
11148 * c4x-protos.h (std_or_reg_operand): Prototype it.
11150 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11152 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
11153 object names as libgcc2.c.
11154 * libgcc.S: Use newly defined names.
11156 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
11157 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
11159 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
11160 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
11161 (FLOW_LOOP_LAST_BLOCK): Likewise.
11163 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11165 * basic-block.h (struct loop): New fields 'first' and 'last'.
11166 * flow.c (flow_loops_find): Compute loop->first and loop->last.
11167 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
11168 and loop->last to check for NOTE_INSN_LOOP_END.
11170 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
11172 * predict.c (estimate_probability): Use the new FIRST and LAST fields
11173 of the loop descriptor rather than HEADER and LATCH. Also added
11174 missing break statements as well making some coding style modifications
11175 as suggested by Michael Hayes.
11177 2000-01-28 Richard Henderson <rth@cygnus.com>
11179 * flow.c (find_basic_blocks): Remove do_cleanup argument.
11180 Break out that code ...
11181 (cleanup_cfg): ... here.
11182 (commit_one_edge_insertion): Detect a return instruction being
11183 emitted to an edge. Emit a barrier following; clear fallthru.
11184 (commit_edge_insertions): Verify CFG consistency.
11185 * function.c (expand_function_start): Kill unused variable.
11186 (expand_function_end): Likewise.
11187 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
11188 to insert the epilogue.
11190 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
11191 (delete_null_pointer_checks): Likewise.
11192 * output.h: Likewise.
11193 * reg-stack.c (reg_to_stack): Likewise.
11194 * toplev.c (rest_of_compilation): Likewise. Run
11195 thread_prologue_and_epilogue_insns after rebuilding the CFG.
11197 2000-01-28 Richard Henderson <rth@cygnus.com>
11199 * Makefile.in (flow.o): Revert 24 Jan change.
11200 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
11201 FUNCTION_VALUE result to DECL_RESULT's mode.
11203 * haifa-sched.c (schedule_insns): Don't recompute reg info
11206 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
11208 * configure.in: Make --enable-cpplib the default.
11209 * configure: Regenerate.
11210 * gcc.dg/990119-1.c: No longer expected to fail.
11212 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
11214 * jump.c (jump_optimize_1): Delete an optimization that is also done
11215 by merge_blocks in flow.
11217 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11219 * diagnostic.c (build_message_string, output_printf,
11220 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
11221 (build_location_prefix): Fix non-literal format string.
11223 2000-01-27 Richard Henderson <rth@cygnus.com>
11225 * alpha.md (trunctfsf2): New.
11227 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
11229 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
11231 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
11233 * cppinit.c (cpp_handle_option): Recognize C++ comments under
11235 * cpplib.c (skip_block_comment, skip_line_comment): Split code
11237 (skip_comment) ... here. Permit C++ comments in system
11238 headers always. Warn about C++ comments in user code under
11239 -std=gnu89 -pedantic.
11240 (copy_comment): Use skip_comment.
11241 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
11243 (consider_directive_while_skipping, do_else, do_endif): Call
11244 validate_else unconditionally.
11245 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
11246 text after the conditional in a system header.
11247 * cpplib.h (struct cpp_buffer): Add flag
11248 warned_cplusplus_comments.
11250 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
11252 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
11253 Use unshare_all_rtl_1.
11254 (unshare_all_rtl_again): New function.
11255 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
11257 * function.c (purge_addressof_1): Use unshare_all_rtl_again
11258 rather than resetting the 'used' flags ourself.
11260 * toplev.c (rest_of_compilation): Add current_function_decl
11261 to the unshare_all_rtl call.
11262 * tree.h: Prototype unshare_all_rtl.
11263 * rtl.h: Prototype unshare_all_rtl_again here.
11265 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
11267 * genoutput.c (output_prologue): Include ggc.h in generated
11269 * Makefile.in (insn-output.o): Depends on ggc.h.
11271 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
11272 Hans-Peter Nilsson <hp@bitrange.com>
11274 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
11275 Remove redundant include of xm-ns32k.h.
11276 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
11277 Remove redundant include of xm-ns32k.h.
11278 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
11279 Remove redundant include of xm-ns32k.h.
11280 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
11282 * ns32k/ns32k.h: Update comment on multiply-add instructions.
11283 (TARGET_SWITCHES): Add documentation strings.
11284 (DWARF_FRAME_REGNUM): Override default definition.
11285 (REG_CLASS_CONTENTS): Add comments.
11286 (SUBSET_P): Format to reduce line length.
11287 (SMALL_REGISTER_CLASSES): Make a run time option.
11288 (GO_IF_NONINDEXED_ADDRESS): Reformat.
11289 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
11290 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
11291 (regclass_map): fix typo in comment.
11292 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
11293 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
11294 (trace, reg_or_mem_operand): Delete, unused function.
11295 (calc_address_cost): Small offsets are cheaper than large ones.
11296 (expand_block_move): Generate more efficient code when bytes is a
11297 known at compile time.
11298 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
11299 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
11300 instead of reg_or_mem_operand.
11302 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
11303 not general_operand. Similarly use "=rm" or stricter, not "=g".
11304 For input operands, use stricter constraints than "g" if not
11305 general_operand. Similarly use stricter predicate than
11306 "general_operand" when stricter constraints than "g" are present,
11307 except for matching constraints.
11308 (movstrsi): Use "memory_operand" for operands 0 and 1.
11309 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
11310 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
11311 not reg_or_mem_operand.
11312 (udivmoddisi4): Ditto.
11313 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
11314 Use nonimmediate_operand for operand 3, not register_operand.
11315 (udivmoddiqi4_internal): Use register_operand for operand 1, not
11316 reg_or_mem_operand.
11318 2000-01-27 Fred Fish <fnf@be.com>
11320 * gthr-posix.h: Fix typo; compatibily -> compatibility.
11321 * gthr-single.h: Likewise.
11322 * gthr-solaris.h: Likewise.
11323 * gthr-vxworks.h: Likewise.
11324 * gthr-win32.h: Likewise.
11325 * gthr.h: Likewise.
11327 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
11329 * cppinit.c: Add " (cpplib)" to end of string printed by
11332 2000-01-27 Richard Henderson <rth@cygnus.com>
11334 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
11335 testing for a signed comparison.
11336 (alpha_emit_floatuns): New.
11337 * alpha-protos.h: Declare it.
11338 * alpha.md (floatunsdisf2, floatunsdidf2): New.
11339 (extendsfdf2): Tidy.
11341 2000-01-27 Jakub Jelinek <jakub@redhat.com>
11343 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
11344 no -g option specifying debugging format, default to -gstabs+.
11346 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11348 * calls.c (special_function_p): New argument fork_or_exec.
11349 (expand_call): When profile_arc_flag is set and the function
11350 is in the fork_or_exec group, call __bb_fork_func first.
11351 * libgcc2.c, _bb module (__bb_fork_func): New function.
11352 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
11354 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
11355 * tree.h (special_function_p): Update prototype.
11357 2000-01-26 Richard Henderson <rth@cygnus.com>
11359 * alpha.c (alpha_split_tfmode_pair): New.
11360 * alpha-protos.h: Declare it.
11361 * alpha.md (abstf2, negtf2): New.
11362 (movtf insn): Add input G constraint.
11363 (movtf splitter): Use alpha_split_tfmode_pair.
11365 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11367 * i386/cygwin.h: PROTO -> PARAMS.
11369 2000-01-26 Jakub Jelinek <jakub@redhat.com>
11371 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
11372 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
11373 using _Qp_cmp/_Q_cmp and testing the return value.
11374 (print_operand): Call reverse_condition_maybe_unordered if
11375 we are handling CCFPmode or CCFPEmode.
11376 Handle ORDERED, UN* and LTGT comparisons.
11377 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
11378 if not TARGET_HARD_QUAD.
11379 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
11380 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
11381 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
11382 Adjust gen_b* calls so that they reflect return comparison of
11383 sparc_emit_float_lib_cmp.
11385 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11387 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
11388 incoming operands array is large enough for one more operand.
11389 (alpha_emit_xfloating_arith): Likewise.
11391 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11393 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
11394 file with one line and no trailing newline.
11395 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
11396 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
11397 checking if the match is on the line.
11398 * fixinc/gnu-regex.c: Provide regerror not __regerror.
11400 2000-01-25 Richard Henderson <rth@cygnus.com>
11402 * sparc.c (output_cbranch): Fix accidental squashing of the
11403 fp branch pre-delay nop.
11405 2000-01-25 Richard Henderson <rth@cygnus.com>
11407 * tree.def (UNNE_EXPR): Remove.
11408 * c-typeck.c (build_binary_op): Don't handle it.
11409 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
11411 * rtl.def (UNNE): Remove.
11413 * jump.c (reverse_condition): Update accordingly.
11414 (swap_condition): Likewise.
11415 (comparison_dominates_p): Handle unordered comparisons.
11416 (reverse_condition_maybe_unordered): New.
11417 * rtl.h (reverse_condition_maybe_unordered): Declare.
11419 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
11420 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
11421 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
11422 * sparc.md (bltgt): New.
11424 2000-01-25 Nick Clifton <nickc@redhat.com>
11426 * emit-rtl.c (emit_insn): Only check machine class insns for
11427 improper emission of a RETURN.
11429 2000-01-25 Richard Henderson <rth@cygnus.com>
11431 * Makefile.in (flow.o): Depend on $(EXPR_H).
11432 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
11433 duplicate the structure of diddle_return_value for keeping regs live.
11435 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11437 * loop.c (current_loop_info): Delete.
11438 (consec_sets_invariant_p): Add loop argument, update callers.
11439 (get_condition_for_loop): Likewise.
11440 (count_nonfixed_reads, update_giv_derive): Likewise.
11441 (simplify_giv_expr, general_induction_var): Likewise.
11442 (consec_sets_giv, recombine_givs): Likewise.
11443 (move_movables): Delete loop_start and loop_end arguments,
11444 add loop argument, and update callers.
11445 (find_mem_givs, check_final_value): Likewise.
11446 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
11447 (loop_invariant_p): Rename from invariant_p, add loop argument, and
11449 (basic_induction_var): Add loop argument, delete loop_level argument,
11450 and update callers.
11451 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
11452 add loop argument, and update callers.
11453 (find_splittable_regs, find_splittable_givs): Likewise.
11454 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
11455 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
11456 (biv_total_increment): Delete loop_start and loop_end arguments;
11458 (precondition_loop_p): Delete loop_start and loop_info arguments;
11460 * loop.h (get_condition_for_loop): Add loop argument.
11461 (biv_total_increment): Delete loop_start and loop_end arguments.
11462 (precondition_loop_p): Delete loop_start and loop_info arguments;
11464 (final_biv_value): Delete loop_start and loop_end arguments;
11466 (final_giv_value, back_branch_in_range_p): Likewise.
11468 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
11470 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
11472 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
11474 * Makefile.in (c-gperf.h) : Change the "See" pointer to
11475 point to the new "generated_files" doc.
11477 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
11479 * config/fp-bit.c (_unord_f2): Fix typo.
11481 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11483 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
11484 c-typeck.c, objc/objc-act.c: Remove all references to obstack
11485 functions obsoleted by GC, such as push_obstacks_nochange,
11486 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
11487 and code which existed only to decide whether or not to call
11488 them. Remove now-unused NESTED argument from start_function;
11489 all callers changed. Do not change behavior based on ggc_p.
11490 The use of the ixp_obstack in c-iterate.c and the util_obstack
11491 in objc/objc-act.c remain; these are not obsoleted by garbage
11493 * c-tree.h: Update prototype for start_function.
11495 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
11497 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
11499 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
11502 2000-01-25 Richard Henderson <rth@cygnus.com>
11504 * sparc-protos.h (select_cc_mode): Declare.
11505 * sparc.c (select_cc_mode): New. Handle unordered compares.
11506 (output_cbranch): Always reverse via code change. Handle
11507 unordered compares. Factor tests and string updates.
11508 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
11509 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
11510 * sparc.md (bunordered, bordered): New.
11511 (bungt, bunlt, buneq, bunge, bunle): New.
11513 2000-01-25 Richard Henderson <rth@cygnus.com>
11515 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
11516 * ggc-common.c (ggc_add_rtx_varray_root): New.
11517 (ggc_mark_rtx_varray): New.
11518 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
11519 functions down below ggc_mark_foo.
11520 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
11522 2000-01-25 Richard Henderson <rth@cygnus.com>
11524 * alpha.c (secondary_reload_class): Don't allocate a secondary
11525 for integral mode memories into FLOAT_REGS. Rearrange the more
11526 complicated memory expression inward.
11528 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11530 * inclhack.def: Fixes to play nicer with FreeBSD, and
11531 corrections to comments.
11532 (cxx_unready): Add select expression.
11533 (irix_sockaddr): Add bypass expression.
11534 (machine_ansi_h_va_list): New fix.
11535 (stdio_va_list): No need to edit _BSD_VA_LIST_.
11536 Split out addition of "#include <stdarg.h>" to...
11537 (stdio_stdarg_h): ... here.
11538 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
11539 to stdlib.h also. Do not munge _BSD_SIZE_T_.
11540 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
11542 (ultrix_ifdef): Tighten up select expression.
11544 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
11545 re_ct and max_mach to avoid use of shell. Make printed names
11546 match names in inclhack.def. Use static copyright date.
11547 Don't count c_test and test expressions as requiring regex_t
11548 slots. Add some commentary.
11549 * inclhack.tpl: Do not include the 'This script contains N
11550 fixup scripts' line if PROGRAM is defined. Use static
11553 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
11555 * dwarf2out.c: include "varray.h", not dyn-string.h.
11556 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
11557 (addr_const_to_string, addr_to_string): Lose.
11558 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
11559 (struct dw_val_struct): val_addr is now an rtx.
11560 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
11561 (used_rtx_varray): New varray.
11562 (dwarf2out_init): Initialize it.
11563 (save_rtx): New fn.
11564 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
11566 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
11567 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
11568 * Makefile.in (dwarf2out.o): Update dependencies.
11570 2000-01-24 Richard Henderson <rth@cygnus.com>
11572 * i386.c (i386_dwarf_output_addr_const): New.
11573 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
11575 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
11577 * dwarfout.c (output_mem_loc_descriptor): Likewise.
11578 * i386.c (i386_simplify_dwarf_addr): New.
11579 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
11581 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
11583 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
11584 TYPE_STUB_DECL is NULL.
11586 2000-01-24 Richard Henderson <rth@cygnus.com>
11588 * builtins.c (expand_tree_builtin): Move ...
11589 * c-common.c (expand_tree_builtin): ... here.
11591 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11593 * loop.h (LOOP_INFO): New accessor macro.
11594 * basic-block.h (struct loop): Rename field `info' to `aux'.
11595 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
11596 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
11597 * unroll.c (loop_iterations, unroll_loop): Likewise.
11599 2000-01-24 Christopher Faylor <cgf@cygnus.com>
11601 * config/i386/t-cygwin: Accomodate new winsup directory layout
11602 when searching for include files.
11604 2000-01-24 Richard Henderson <rth@cygnus.com>
11606 * rtl.def: Add unordered fp comparisions.
11607 * tree.def: Likewise.
11608 * tree.h: Add ISO C 9x unordered fp comparision builtins.
11610 * builtins.c (expand_tree_builtin): New function.
11611 * c-typeck.c (build_function_call): Use it.
11612 (build_binary_op): Support unordered compares.
11613 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
11615 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
11616 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
11617 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
11618 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
11619 * jump.c (reverse_condition): Don't abort for UNLE etc, but
11621 (swap_condition): Handle unordered compares.
11622 (thread_jumps): Check can_reverse before reversing.
11623 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
11626 * optabs.c (can_compare_p): New argument CODE. Verify branch or
11627 setcc is present before acking for cmp_optab. Update all callers.
11628 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
11629 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
11630 * expr.c (expand_expr): Likewise. Support unordered compares.
11631 (do_jump, do_store_flag): Likewise.
11632 * expr.h (enum libfunc_index): Add unordered compares.
11634 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
11635 (DPBIT_FUNCS): Add _unord_df.
11636 * config/fp-bit.c (_unord_f2): New.
11637 * fp-test.c (main): Try unordered compare builtins.
11639 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
11640 * alpha.c (alpha_comparison_operator): Check mode properly.
11641 (alpha_swapped_comparison_operator): Likewise.
11642 (signed_comparison_operator): Likewise.
11643 (alpha_fp_comparison_operator): New.
11644 (alpha_emit_conditional_branch): Handle unordered compares.
11645 * alpha.h (PREDICATE_CODES): Update.
11646 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
11647 (bunordered, bordered): New.
11649 2000-01-24 Richard Henderson <rth@cygnus.com>
11651 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
11652 * alpha.md (movtf): New expander, insn, and splitter.
11654 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
11656 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11659 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
11661 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
11662 (FIXED_REGISTERS, CALL_USED_REGISTERS,
11663 REG_ALLOC_ORDER): Add frame pointer
11664 (FRAME_POINTER_REGNUM): Set to 20
11665 (HARD_FRAME_POINTER_REGNUM): New macro.
11666 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
11667 to HARD_FRAME_POINTER.
11668 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
11669 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
11670 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
11671 (HI_REGISTER_NAMES): Add "frame".
11672 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
11673 (debug_reg): Handle FRAME_POINTER_REGNUM.
11674 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
11675 GENERAL_REGS and INDEX_REGS.
11676 * i386.c (SAVED_REGS_FIRST): new macro.
11677 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
11678 (ix86_decompose_address, memory_address_length): Likewise.
11679 (regclass_map): Add frame pointer.
11680 (call_insn_operand): Handle frame_pointer_rtx.
11681 (reg_no_sp_operand): Likewise.
11682 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
11683 (print_operand, legitimize_pic_address): Fix formating.
11684 (ix86_compute_frame_size): Make static, update prototype, new
11685 parameters padding1, padding2, use ix86_nsaved_regs, use
11686 stack_alignment_needed.
11687 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
11688 to HARD_FRAME_POINTER_REGNUM conversions.
11689 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
11690 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
11691 (print_reg): Abort on FRAME_POINTER_REGNUM
11693 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
11695 * i386.h (PREDICATE_CODES): Add aligned_operand.
11696 * i386.c (aligned_operand): New function.
11697 (ix86_aligned_p): Kill.
11698 * i386.md (movhi_1): Emit mov for aligned operands.
11699 (promoting peep2s): Use aligned_operand.
11701 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
11703 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
11704 expression to allow underscores in macro names.
11705 (fix_char_macro_defines): Increment scanning pointer.
11707 2000-01-23 Richard Henderson <rth@cygnus.com>
11709 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
11710 * alpha/osf5.h: New file.
11711 * configure.in (alpha-*-osf5): Add it to tm_file.
11713 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
11715 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
11716 (alpha_emit_xfloating_cvt, function_arg): Declare.
11717 * alpha.c (alpha_emit_conditional_branch): Call
11718 alpha_emit_xfloating_compare for TFmode compares.
11719 (alpha_lookup_xfloating_lib_func): New.
11720 (alpha_compute_xfloating_mode_arg): New.
11721 (alpha_emit_xfloating_libcall): New.
11722 (alpha_emit_xfloating_arith): New.
11723 (alpha_emit_xfloating_compare): New.
11724 (alpha_emit_xfloating_cvt): New.
11725 (print_operand): Add default abort case.
11726 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
11727 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
11728 (BIGGEST_ALIGNMENT): Increase to 128 bits.
11729 (RETURN_IN_MEMORY): True for TF/TCmode.
11730 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
11731 (FUNCTION_ARG): Move to function_arg.
11732 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
11733 (ASM_OUTPUT_LONG_DOUBLE): New.
11734 (ASM_OUTPUT_DOUBLE): Always output bits.
11735 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
11736 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
11737 (extenddftf2, trunctfdf2): New.
11739 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11741 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
11742 * config/sparc/sol2.h: ... here.
11744 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11746 * basic-block.h (struct loops): New field `levels'.
11747 * flow.c (flow_loops_level_compute): Traverse all outer loops.
11748 (flow_loop_level_compute): Initialise level to 1.
11749 (flow_loops_find): Set loops->levels.
11750 (flow_loops_dump): Print loops->levels.
11752 2000-01-23 Richard Henderson <rth@cygnus.com>
11754 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
11755 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
11757 2000-01-23 Richard Henderson <rth@cygnus.com>
11759 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
11760 * i386.h (DBX_REGISTER_NUMBER): Use them.
11761 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
11762 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
11763 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
11764 * i386/sequent.h: Kill incorrect comment.
11766 2000-01-23 Mark Mitchell <mark@codesourcery.com>
11768 * ggc-page.c (struct page_entry): Make `context_depth' an
11770 (struct globals): Likewise.
11772 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
11774 * loop.c (check_dbra_loop): When checking a loop for
11775 reversability, check the source of any stores to ensure
11776 they don't depend on an initial value.
11778 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11780 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
11782 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
11784 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
11785 'pz_scan' into scope of entire function. Only affects
11786 compiles with -DDEBUG.
11788 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
11790 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
11791 section naming to that prior to 2000-01-07 patch.
11792 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
11793 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
11794 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
11795 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
11796 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
11798 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
11800 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
11803 2000-01-21 Jim Wilson <wilson@cygnus.com>
11805 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
11806 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
11808 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
11810 * cpphash.c (change_newlines): Delete function.
11811 (struct argdata): Delete 'newlines' and 'use_count' fields.
11812 (macroexpand): Remove code referencing those fields.
11814 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11816 * loop.c (loops_info): New variable.
11817 (loop_optimize): Allocate loops->array and free it on exit.
11818 Allocate memory for loops_info and assign to each loop,
11820 (find_and_verify_loops): Do not allocate loops->array.
11822 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
11824 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
11826 2000-01-21 Jakub Jelinek <jakub@redhat.com>
11828 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
11829 pseudos if expanded after first flow.
11830 (movdi_pic_label_ref): Likewise.
11832 2000-01-20 Richard Henderson <rth@cygnus.com>
11834 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
11836 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
11838 * Makefile.in (fixinc.sh): Depend on specs.
11839 * fixinc/Makefile.in: Add rule to create machname.h.
11840 (fixlib.o): Depend on machname.h.
11841 * fixinc/fixtests.c (machine_name): New test.
11842 * fixinc/fixfixes.c (machine_name): New fix.
11843 * fixinc/fixlib.c (mn_get_regexps): New helper function for
11844 the machine_name test and fix.
11845 * fixinc/fixlib.h: Prototype it.
11846 * fixinc/inclhack.def (machine_name): Use the C test and fix.
11847 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
11849 * gcc.c (do_spec_1) [case P]: Take care not to create
11850 identifiers with three leading or trailing underscores.
11852 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
11853 (fixincl): Don't specify libraries twice on link line.
11854 (gnu-regex.o): Remove special rule.
11855 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
11856 defined by config.h. Do not define _REGEX_RE_COMP.
11857 (regcomp): Allocate and initialize a fastmap.
11858 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
11860 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
11862 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
11864 2000-01-19 Richard Henderson <rth@cygnus.com>
11866 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
11867 arguments with BB. Update all callers. Tidy line wrapping.
11869 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
11871 * emit-rtl.c (try_split): Return last_insn if we split the
11874 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
11876 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
11877 (ix86_initial_elimination_offset): Declare.
11878 * i386.c (ix86_nsaved_regs): Break out from ...
11879 (ix86_can_use_return_insn_p): ... here.
11880 (ix86_emit_save_regs): Break out from ...
11881 (ix86_expand_prologue): ... here.
11882 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
11884 (ix86_expand_epilogue): ... here.
11885 (ix86_compute_frame_size): Make static, add prototype.
11886 (ix86_initial_elimination_offset): Break out from ...
11887 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
11889 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11891 * recog.h (OUT_FCN): Delete.
11893 * vax.md: Call `get_insn_template' instead of OUT_FCN.
11895 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11897 * cppalloc.c: PROTO -> PARAMS.
11898 * cpperror.c: Likewise.
11899 * cppfiles.c: Likewise.
11900 * cpplib.c: Likewise.
11901 * cpplib.h: Likewise.
11903 * config/arm/arm-protos.h: PROTO -> PARAMS.
11904 * config/arm/arm.c: Likewise.
11905 * config/c4x/c4x.c: Likewise.
11906 * config/fr30/fr30-protos.h: Likewise.
11907 * config/nextstep.c: Likewise.
11908 * config/pa/pa.c: Likewise.
11909 * config/pj/pj.c: Likewise.
11910 * config/rs6000/rs6000.c: Likewise.
11911 * config/v850/v850-protos.h: Likewise.
11912 * config/v850/v850.c: Likewise.
11914 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11916 * i370-protos.h: New file.
11918 * i370.c: Include tm_p.h. Fix compile time warnings.
11920 * i370.h: Move prototypes to i370-protos.h. Fix compile time
11923 * i370.md: Likewise.
11925 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11927 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
11928 (target_isinf, target_isnan, eisnan): Mark parameter with
11930 (eiisinf): Wrap in INFINITY.
11931 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
11932 (ibmtoe): Remove unused variable `rndsav'.
11934 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11936 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
11937 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
11939 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
11941 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
11942 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
11943 (fix_char_macro_defines, fix_char_macro_uses): New functions.
11945 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
11946 Recognize Emacs mode markers also.
11947 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
11948 C++ comments in C++ headers. Call is_cxx_header only if
11951 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
11952 bypass for ncurses.
11953 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
11954 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
11955 ... these, which use the new C fixes.
11956 (math_exception): Escape literal '+' in bypass expression.
11958 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
11961 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11963 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
11966 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11968 * loop.c (loop_optimize): Allocate loop_info structure for each loop
11969 prior to calling scan_loop.
11971 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11973 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
11974 (split_branches, calc_live_regs): Likewise.
11976 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11978 * sh.md (fpu_single, fp_mode): New attributes.
11980 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11982 * loop.c (current_loop_info): Renamed from loop_info_data
11983 and changed to a pointer.
11984 (loop_optimize): Allocate loop_info structure for each loop
11985 and initialise to zero.
11986 (scan_loop): Set current_loop_info.
11988 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
11991 2000-01-19 Richard Henderson <rth@cygnus.com>
11993 * stupid.c: Die die die.
11994 * Makefile.in (OBJS): Remove stupid.o.
11995 (stupid.o): Likewise.
11997 * except.c (emit_eh_context): Don't emit USEs for stupid.
11998 * explow.c (probe_stack_range): Likewise.
11999 * flags.h (obey_regdecls): Remove.
12000 * flow.c (find_basic_blocks): Don't run try_merge_blocks
12001 when not optimizing.
12002 (life_analysis): Limit data collection when not optimizing.
12003 (mark_regs_live_at_end): Always mark the return value registers.
12004 (mark_used_regs): Remove dummy RETURN case.
12005 (print_rtl_with_bb): Don't consult obey_regdecls.
12006 * function.c (use_variable, use_variable_after): Remove.
12007 (assign_parms): Consult optimize not obey_regdecls.
12008 (expand_function_start): Don't emit USEs for stupid.
12009 (expand_function_end): Likewise.
12010 * global.c (build_insn_chain): Export.
12011 * integrate.c (expand_inline_function): Kill return-value USE
12013 * jump.c (jump_optimize_1): Do simple jump optimizations and
12014 dead code elimination.
12015 (calculate_can_reach_end): Remove check_deleted argument.
12016 (delete_insn): Patch out insns even when not optimizing.
12017 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
12018 * rtl.h (use_variable, use_variable_after): Remove declarations.
12019 (build_insn_chain): Declare.
12020 * stmt.c (expand_value_return): Don't emit USEs for stupid.
12021 (expand_end_bindings): Likewise.
12022 (expand_decl): Likewise. Consult optimize not obey_regdecls.
12023 * toplev.c (obey_regdecls): Remove.
12024 (rest_of_compilation): Don't set it. Kill stupid in favour of
12025 flow1, local-alloc, and reload.
12026 (main): Don't set obey_regdecls.
12028 * config/nextstep.c (handle_pragma): Likewise.
12030 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
12032 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
12034 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12036 * alpha-protos.h: PROTO -> PARAMS.
12037 * alpha.c: Likewise.
12039 * h8300.c: Likewise.
12040 * i386-protos.h: Likewise.
12041 * i386.c: Likewise.
12042 * m32r-protos.h: Likewise.
12043 * m32r.c: Likewise.
12044 * mips.c: Likewise.
12045 * mips.md: Likewise.
12046 * gmon-sol2.c: Likewise.
12047 * sparc.c: Likewise.
12049 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12051 * ns32k-protos.h: New file.
12053 * ns32k.c: Fix compile time warnings.
12055 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
12058 * ns32k.md: Likewise.
12060 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12062 * vax-protos.h: New file.
12064 * vax.c: Fix compile time warnings.
12066 * vax.h: Move prototypes to vax-protos.h. Fix compile time
12069 * vax.md: Likewise.
12071 * vaxv.md: Likewise.
12073 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12075 * romp-protos.h: New file.
12077 * romp.c: Fix compile time warnings.
12079 * romp.h: Move prototypes to romp-protos.h. Fix compile time
12082 * romp.md: Likewise.
12084 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12086 * we32k-protos.h: New file.
12088 * we32k.c: Fix compile time warnings.
12090 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
12093 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12095 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
12097 * except.c (eh_regs): Likewise.
12099 * final.c (output_operand): Likewise.
12101 * fold-const.c (target_isinf, target_isnan): Likewise.
12103 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12105 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
12106 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
12108 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
12109 when optimize_size.
12110 (clrstrsi): Rewrite.
12111 (strsethi, strsetqi): New expanders.
12112 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
12113 (cmpstrsi): Emit compare insn before cmpstrsi_1
12114 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
12115 (strlensi_1): Likewise.
12116 (cmpstrsi_1): Likewise; do not output compare.
12117 (strlen expander): Do not unroll when optimizing for size.
12118 (*subsi3_carry): Rename to subsi3_carry
12119 (addqi3_cc): New pattern.
12120 * i386.h (processor_costs): Add move_ratio field.
12121 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
12122 * i386.c (*_cost): Set move_ratio.
12123 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
12124 (x86_expand_strlensi_1): Rewrite the main loop.
12126 2000-01-17 Richard Henderson <rth@cygnus.com>
12128 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
12129 * cse.c (find_comparison_args, fold_rtx): Likewise.
12130 * integrate.c (subst_constants): Likewise.
12131 * loop.c (get_condition): Likewise.
12133 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
12135 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
12137 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12139 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
12140 (RESTORE_WARN_FLAGS): Unpack it.
12141 Change semantic type of extension to ttype.
12142 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
12143 * c-parse.y, c-parse.c, objc/objc-parse.y,
12144 objc/objc-parse.c: Regenerate.
12146 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
12148 * fixinc/fixlib.c: Add copyright notice.
12149 (compile_re): New function.
12150 * fixinc/fixlib.h: Prototype compile_re.
12152 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
12153 Use compile_re to compile regular expressions.
12155 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
12156 where the pattern matched.
12158 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
12160 (ultrix_ansi_compat): Likewise.
12161 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
12163 (interactv_add2, interactv_add3): Delete.
12164 (x11_sprintf): Don't use filename glob.
12165 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
12168 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12170 * print-rtl.c: PROTO -> PARAMS.
12171 * real.c: Likewise.
12172 * reg-stack.c: Likewise.
12173 * resource.c: Likewise.
12174 * sdbout.h: Likewise.
12175 * simplify-rtx.c: Likewise.
12176 * stor-layout.c: Likewise.
12177 * stupid.c: Likewise.
12178 * xcoffout.c: Likewise.
12179 * xcoffout.h: Likewise.
12181 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12183 * toplev.c: PROTO -> PARAMS.
12184 * toplev.h: Likewise.
12185 * tree.c: Likewise.
12186 * tree.h: Likewise.
12187 * unroll.c: Likewise.
12188 * varasm.c: Likewise.
12189 * varray.c: Likewise.
12190 * varray.h: Likewise.
12192 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12194 * reload.c: PROTO -> PARAMS.
12195 * reload.h: Likewise.
12196 * reload1.c: Likewise.
12197 * reorg.c: Likewise.
12198 * resource.h: Likewise.
12201 * rtlanal.c: Likewise.
12202 * sbitmap.h: Likewise.
12203 * sdbout.c: Likewise.
12204 * stack.h: Likewise.
12205 * stmt.c: Likewise.
12206 * system.h: Likewise.
12208 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12210 * machmode.h: PROTO -> PARAMS.
12211 * mbchar.h: Likewise.
12212 * mips-tdump.c: Likewise.
12213 * mips-tfile.c: Likewise.
12214 * optabs.c: Likewise.
12215 * output.h: Likewise.
12216 * prefix.c: Likewise.
12217 * profile.c: Likewise.
12218 * protoize.c: Likewise.
12219 * real.h: Likewise.
12220 * recog.c: Likewise.
12221 * recog.h: Likewise.
12222 * regclass.c: Likewise.
12223 * regmove.c: Likewise.
12224 * regs.h: Likewise.
12226 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12228 * ggc-common.c: PROTO -> PARAMS.
12229 * ggc-page.c: Likewise.
12230 * ggc-simple.c: Likewise.
12232 * global.c: Likewise.
12233 * graph.c: Likewise.
12234 * gthr-win32.h: Likewise.
12235 * haifa-sched.c: Likewise.
12236 * halfpic.h: Likewise.
12237 * integrate.c: Likewise.
12238 * integrate.h: Likewise.
12239 * jump.c: Likewise.
12241 * local-alloc.c: Likewise.
12242 * loop.c: Likewise.
12243 * loop.h: Likewise.
12245 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12247 * genattr.c: PROTO -> PARAMS.
12248 * genattrtab.c: Likewise.
12249 * gencheck.c: Likewise.
12250 * gencodes.c: Likewise.
12251 * genconfig.c: Likewise.
12252 * genemit.c: Likewise.
12253 * genextract.c: Likewise.
12254 * genflags.c: Likewise.
12255 * gengenrtl.c: Likewise.
12256 * genopinit.c: Likewise.
12257 * genoutput.c: Likewise.
12258 * genpeep.c: Likewise.
12259 * genrecog.c: Likewise.
12261 2000-01-16 Mark Mitchell <mark@codesourcery.com>
12263 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
12265 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12267 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
12268 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
12269 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
12270 * configure, config.in: Rebuilt.
12272 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
12274 * config/i386/i386.md: Add peephole to merge successive stack
12277 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
12279 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
12280 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
12281 when walking backwards to find all the parameter loads when
12282 the basic block ends in a call.
12284 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12286 * loop.c (this_loop_info): Delete.
12287 (uid_loop): Add in place of uid_loop_num. All uses updated.
12288 (loop_number_exit_count): Delete and replace with entry in loop
12289 structure. All uses updated.
12290 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
12291 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
12292 (loop_outer_loop): Likewise.
12293 (loop_invalid, loop_number_exit_labels): Likewise.
12294 (loop_used_count_register): Delete and replace with entry in
12295 loop_info structure.
12296 (find_and_verify_loops): Add loops argument.
12297 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
12298 loop_end, etc. arguments with loop structure pointer. All callers
12300 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
12301 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
12302 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
12303 (insert_bct): Likewise.
12304 (basic_induction_var): New argument level.
12305 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
12306 vtop, and cont. Add used_count_register.
12307 (uid_loop): Delete declaration.
12308 (loop_number_exit_count): Likewise.
12309 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
12310 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
12311 (loop_outer_loop, loop_used_count_register): Likewise.
12312 (loop_invalid, loop_number_exit_labels): Likewise.
12313 (unroll_loop): Replace loop_start and loop_end arguments
12314 with loop structure pointer.
12315 (loop_precondition_p, loop_iterations): Likewise.
12316 Include basic-block.h.
12317 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
12318 with loop structure pointer.
12319 (loop_precondition_p, loop_iterations): Likewise.
12320 * basic-block.h (struct loop): New entries vtop, cont,
12321 cont_dominator, start, end, top, scan_start, exit_labels,
12323 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
12325 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12327 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
12329 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
12331 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
12333 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12335 * pdp11-protos.h: New file.
12337 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
12340 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
12343 * pdp11.md: Likewise.
12345 * 2bsd.h: Likewise.
12347 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12349 * mn10300-protos.h: New file.
12351 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
12354 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
12357 * mn10300.md: Likewise.
12359 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12361 * mn10200-protos.h: New file.
12363 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
12366 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
12369 * mn10200.md: Likewise.
12371 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12373 * h8300-protos.h: New file.
12375 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
12378 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
12381 * h8300.md: Likewise.
12383 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12385 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
12386 (asm_emit_uninitialised): Likewise.
12388 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
12390 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
12391 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
12393 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12395 * config/mips/mips.c (override_options): Don't turn on extra
12396 alignment for mips16.
12398 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12400 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
12401 eabi, and make sure queued POSTINCREMENT rtl is emitted at
12404 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12406 * builtins.c (PAD_VARARGS_DOWN): Define.
12407 (std_expand_builtin_va_arg): Use the above macro.
12408 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
12409 * tm.texi (Register Arguments): Document the above macro.
12411 2000-01-14 Nick Clifton <nickc@cygnus.com>
12413 * emit-rtl.c (emit_insn): If checking is enabled, make sure
12414 that this function has not been used to emit a jump
12417 * jump.c (return_jump_1): Cope with being passed a null rtx.
12419 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12421 * eh-common.h: PROTO -> PARAMS.
12422 * emit-rtl.c: Likewise.
12423 * errors.c: Likewise.
12424 * errors.h: Likewise.
12425 * except.c: Likewise.
12426 * except.h: Likewise.
12427 * explow.c: Likewise.
12428 * expmed.c: Likewise.
12429 * expr.c: Likewise.
12430 * expr.h: Likewise.
12431 * final.c: Likewise.
12432 * fix-header.c: Likewise.
12433 * flow.c: Likewise.
12434 * fold-const.c: Likewise.
12435 * function.c: Likewise.
12436 * function.h: Likewise.
12438 * gcov-io.h: Likewise.
12439 * gcov.c: Likewise.
12440 * gcse.c: Likewise.
12442 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12444 * sh-protos.h: New file.
12446 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
12447 Add static prototypes. Fix compile time warnings.
12449 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
12453 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12455 * arc-protos.h: New file.
12457 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
12460 * arc.h: Move prototypes to arc-protos.h. Fix compile time
12463 * arc.md: Likewise.
12465 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12467 * dsp16xx-protos.h: New file.
12469 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
12472 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
12475 * dsp16xx.md: Likewise.
12477 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12479 * convex-protos.h: New file.
12481 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
12484 * convex.h: Move prototypes to convex-protos.h. Fix compile time
12487 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12489 * elxsi-protos.h: New file.
12491 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
12494 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
12497 * elxsi.md: Likewise.
12499 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12501 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
12502 case for moving from HI/LO/HI_LO_REG. This makes the behavior
12503 match the comment for MIPS16.
12505 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
12507 * flow.c (split_edge): Do not call set_block_for_insn if we
12508 do not have a basic_block_for_insn structure.
12510 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
12511 and destination functions are 32bit aligned within the trampoline.
12512 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
12513 (TRAMPOLINE_ALIGNMENT): Define.
12515 * cse.c (cse_insn): When changing (set (pc) (reg)) to
12516 (set (pc) (label_ref)), verify the change creates a valid insn.
12518 * fr30.c (call_operand): Tighten and rework to match rules for
12519 call RTL expressions.
12520 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
12521 * fr30.md (call patterns): Improve constraints.
12523 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
12525 * fr30.c (fr30_expand_epilogue): Revert last change.
12526 Use emit_jump_insn for the return insn.
12528 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
12529 Stan Cox <scox@cygnus.com>
12531 * predict.c: New file. Preliminary infrastructure work for static
12532 branch prediction and basic block reordering.
12533 * basic-block.h: Add prototype for estimate_probability.
12534 * Makefile.in: Add rules for predict.o.
12536 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
12538 * fixincludes (va_list): Use __not_va_list__ for the dummy.
12539 * fixinc/*: Likewise.
12541 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12543 * cccp.c: PROTO -> PARAMS.
12544 * cexp.y: Likewise.
12545 * collect2.c: Likewise.
12546 * combine.c: Likewise.
12547 * convert.h: Likewise.
12549 * dbxout.c: Likewise.
12550 * dbxout.h: Likewise.
12551 * diagnostic.c: Likewise.
12552 * doprint.c: Likewise.
12553 * dwarf2out.c: Likewise.
12554 * dwarf2out.h: Likewise.
12555 * dwarfout.c: Likewise.
12556 * dwarfout.h: Likewise.
12557 * dyn-string.h: Likewise.
12559 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12561 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
12562 macro conditionals guarding use.
12564 * dwarf2out.c: Include "tm_p.h".
12566 * function.c (locate_and_pad_parm): Mark parameter with
12568 (expand_function_end): Likewise for variable `context'.
12570 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
12572 2000-01-13 Nick Clifton <nickc@cygnus.com>
12574 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
12575 register to prevent compile time warnings.
12577 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
12579 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
12580 to avoid -Wtraditional warning.
12582 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12584 * 1750a-protos.h: New file.
12586 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
12589 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
12592 * 1750a.md: Likewise.
12594 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12596 * a29k-protos.h: New file.
12598 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
12601 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
12604 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12606 * clipper-protos.h: New file.
12608 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
12611 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
12614 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12616 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
12618 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
12620 * configure.in (--enable-new-gxx-abi): New option.
12621 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
12622 * Makefile.in (GXX_ABI_FLAG): New variable.
12623 * configure: Regenerate.
12625 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12627 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
12628 * tm.texi (FORCE_STRUCT_BLK): Document.
12629 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
12631 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
12633 * config/ns32k/ns32k.md: Revert Jan 9 change.
12635 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
12636 to a mode-test, if the predicate is address_operand.
12638 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
12640 * combine.c (if_then_else_cond): Be careful about what kinds
12641 of RTL expressions are passed to operand_subword.
12643 * flow.c (split_edge): If we have to insert a new jump, make
12644 sure to associate it with a basic block.
12646 * flow.c (commit_one_edge_insertion): A block with one successor
12647 can end in a JUMP_INSN that is not a simplejump.
12649 2000-01-12 Robert Lipe <robertl@sco.com>
12651 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
12652 (BUILD_VA_LIST_TYPE): Define.
12653 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
12656 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
12658 * cccp.c (do_pragma): Add cast to (char *).
12660 2000-01-12 Richard Henderson <rth@cygnus.com>
12661 Fred Fish <fnf@be.com>
12662 Jason Merrill <jason@cygnus.com>
12664 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
12665 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
12666 * i386/beos-elf.h, i386/beos-pe.h: New files.
12668 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
12669 * cross-make (SYSTEM_HEADER_DIR): Define using
12670 CROSS_SYSTEM_HEADER_DIR.
12672 * gcc.c (LIBRARY_PATH_ENV): Provide default.
12673 (process_command): Use it.
12674 (main): Likewise. Kill trailing = from env vars.
12675 (build_search_list): Put it back.
12676 * collect2.c (main): Use LIBRARY_PATH_ENV.
12678 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
12679 * toplev.c: Use NEED_DECLARATION_ENVIRON.
12681 * tm.texi (Frame Layout): Document SMALL_STACK.
12682 * c-common.c (c_common_nodes_and_builtins): Check it.
12684 * system.h: Undef alloca after including glibc's <stdlib.h>,
12685 if USE_C_ALLOCA is defined.
12687 * gcc.c (set_input): New fn.
12688 (main): After all input files are compiled, reset the input file
12691 * aclocal.m4 (rindex, index): If already defined, don't attempt
12694 * ginclude/varargs.h: (__va_list__): Define ifndef.
12695 * ginclude/stdarg.h: Likewise.
12697 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
12698 instead of unsigned char.
12700 * hash.h (true, false, boolean): Undef before enum.
12702 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
12703 proper type of "HOST_WIDE_INT *", rather than their natural type of
12704 "unsigned HOST_WIDE_INT *".
12706 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12708 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
12710 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
12712 * regclass.c (choose_hard_reg_mode): Likewise.
12714 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
12716 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
12718 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12720 * c-common.c: PROTO -> PARAMS.
12721 * c-common.h: Likewise.
12722 * c-decl.c: Likewise.
12723 * c-iterate.c: Likewise.
12724 * c-lang.c: Likewise.
12725 * c-lex.c: Likewise.
12726 * c-lex.h: Likewise.
12727 * c-parse.in: Likewise.
12728 * c-pragma.c: Likewise.
12729 * c-pragma.h: Likewise.
12730 * c-tree.h: Likewise.
12731 * c-typeck.c: Likewise.
12732 * objc/objc-act.c: Likewise.
12733 * objc/objc-act.h: Likewise.
12735 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12737 * m88k-protos.h: New file.
12739 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
12742 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
12744 * m88k.md: Likewise.
12746 * tekXD88.h: Likewise.
12748 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12750 * m68k-protos.h: New file.
12752 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
12755 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
12757 * mot3300.h: Likewise.
12759 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
12761 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
12763 (extract_bitlist): Declare bitlen.
12765 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
12767 * cccp.c: Accept and ignore -lang-fortran.
12769 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
12770 qualifiers don't match at any level of pointerness.
12772 2000-01-12 Robert Lipe <robertl@sco.com>
12774 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
12776 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
12778 * reload1.c (reload_reg_unavailable): New static variable.
12779 (reload_reg_free_p): Test it.
12780 (reload_reg_free_for_value_p): Test it instead of
12782 (choose_reload_regs_init): Compute it.
12784 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
12786 * reorg.c (fill_slots_from_thread): Check modified_in_p
12789 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
12791 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
12792 these nodes even if INTERNALS is not set.
12794 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
12796 * gcse.c (delete_null_pointer_checks_1): Cope when
12797 get_condition cannot determine the condition.
12799 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
12801 * toplev.h (set_message_length): Declare.
12803 * diagnostic.c (obstack_chunk_alloc): Define macro.
12804 (obstack_chunk_free): Likewise.
12805 (struct output_buffer): New data structure.
12806 (vmessage): Remove.
12807 (output_maximum_width): New variable.
12808 (doing_line_wrapping, set_message_length, init_output_buffer,
12809 get_output_prefix, output_space_left, emit_output_prefix,
12810 output_newline, output_append, output_puts, dump_output,
12811 vbuild_message_string, build_message_string, build_location_prefix,
12812 voutput_notice, output_printf, line_wrapper_printf,
12813 vline_wrapper_message_with_location): New functions. Implement
12814 automatic line wrapping.
12815 (v_message_with_decl): Make it handle automatic line wrapping.
12816 (v_error_with_file_and_line): Likewise.
12817 (v_warning_with_file_and_line): Likewise.
12818 (announce_function): Likewise.
12819 (default_print_error_function): Likewise.
12821 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
12823 * cpplib.h (struct cpp_options): Change lang_asm to char.
12825 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
12826 done in cpp_handle_option now.
12827 (initialize_builtins): Take out special case code used only by
12829 (cpp_handle_option): Turn off trigraphs and trigraph warnings
12830 if -traditional. Recognize -lang-fortran and set
12831 lang_fortran, also turn off cplusplus_comments.
12832 (print_help): Document -lang-fortran.
12833 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
12834 lang_asm. Ignore all directives other than `# 123 "file"' if
12836 (cpp_get_token): If -traditional, don't recognize directives
12837 unless the # is in column 1.
12838 (parse_string): If lang_fortran or lang_asm, silently
12839 terminate strings ('' or "") at end of line.
12840 Remove unnecessary braces.
12842 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12843 Richard Henderson <rth@cygnus.com>
12845 * resource.c (mark_referenced_resources): Mark a set strict_low_part
12847 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
12848 strict_low_part when possible.
12850 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12852 * alias.c: PROTO -> PARAMS.
12853 * basic-block.h: Likewise.
12854 * bitmap.c: Likewise.
12855 * bitmap.h: Likewise.
12856 * builtins.c: Likewise.
12857 * c-aux-info.c: Likewise.
12858 * caller-save.c: Likewise.
12859 * calls.c: Likewise.
12861 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12863 * Makefile.in (toplev.o): Depend on regs.h.
12865 * output.h (tdesc_section): Prototype.
12867 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
12869 * sdbout.c: Include "tm_p.h".
12871 * toplev.c: Include "regs.h".
12873 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
12875 * unroll.c (unroll_loop): Add EH support.
12877 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12879 * pa-protos.h: New file.
12881 * pa.c: Include recog.h and tm_p.h.
12882 (compute_zdepwi_operands, compute_movstrsi_length,
12883 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
12884 find_addr_reg, import_milli): Add static prototypes.
12885 (pa_cpu_string, pa_arch_string): Constify a char*.
12886 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
12887 (read_only_operand): Add argument `mode'.
12888 (singlemove_string, output_move_double, output_fp_move_double,
12889 output_block_move, output_and, output_ior, output_ascii,
12890 remove_useless_addtr_insns, milli_names, output_mul_insn,
12891 output_div_insn, output_mod_insn, output_arg_descriptor,
12892 output_cbranch, output_bb, output_bvb, output_dbra, ,
12893 output_millicode_call, output_call, hppa_encode_label,
12894 output_parallel_movb, output_parallel_addb): Constify a char*.
12895 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
12896 (output_parallel_addb): Remove extra arg to `constrain_operands'
12898 * pa.h: Move all prototypes to pa-protos.h.
12899 (pa_cpu_string, pa_arch_string): Constify a char*.
12900 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
12902 * pa.md: Call `function_label_operand' with mode argument.
12903 Likewise for `read_only_operand'.
12904 Fix nesting of parens in call to `symbolic_operand'.
12906 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12908 * i860-protos.h: New file.
12910 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
12913 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
12915 * i860.md: Likewise.
12917 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
12919 * i386.md (movstrsi expander): Rewrite.
12920 (movstrsi_1 insn): Deleted.
12921 (strmovhi, strmovqi expander): New expanders.
12922 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
12923 * i386.c (x86_single_stringop): New global variable.
12924 * i386.h (x86_single_stringop): Declare.
12925 (TARGET_SINGLE_STRINGOP): New macro.
12927 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
12929 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
12930 integer vararg POSTINCREMENT before the destination of the jump
12931 for the hard fp case.
12932 (function_arg_pass_by_reference): Pass a copy of CUM to
12935 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
12936 for CONSTANT_ADDRESS_P above while loop for subreg.
12938 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
12940 * flow.c (propagate_block): When a prologue/epilogue insn
12941 is marked dead, unconditionally clear libcall_is_dead and
12942 insn_is_dead, and only dump rtl if warnings aren't being
12945 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
12947 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
12948 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
12949 (FIXED_REGISTERS): Set dirflag as fixed.
12950 (CALL_USED_REGISTERS): Set dirflag as used.
12951 (REG_ALLOC_ORDER): Set dirflag as last one.
12952 (DIRFLAG_REG): New macro.
12953 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
12954 (HI_REGISTER_NAMES): Add dirflag.
12955 (DEBUF_PRINT_REG): Handle dirflag.
12956 * i386.md (type attribute): New cld and str types.
12957 (length_opcode attribute): Set cld and str to 1.
12958 (memory attribute): Set str to unknown - it is not clear from the
12960 (pent_np function unit): Prefixed string operations takes 12 cycles
12961 minimally; cld takes 2 cycles.
12962 (ppro_uops attribute): Str is "many" and cld is "few".
12963 (ppro_p0 unit): Handle cld here.
12964 (k6_alux unit): Handle cld and str types.
12965 (k6_load unit): It is ocupied by str opcodes.
12966 (k6_store unit): It is ocupied by str opcodes.
12967 (athlon_decode): Str is vector decoded.
12968 (athlon_ieu): Handle str and cld.
12969 (cld pattern): New.
12970 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
12971 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
12972 cmpstrsi_nz_1 insn): Do not output cld instruction
12974 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
12976 * gcc.texi (G++ and GCC): Add Java and Chill.
12977 (Bug Critera): Don't list languages.
12979 * gcc.texi (Incompatibilities): No longer claim most C compilers
12982 * gcc.texi (G++ and GCC): Update other front-ends list.
12984 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
12986 * i386.c (ix86_expand_setcc): Fix typo.
12987 (ix86_expand_movcc): Similarly.
12989 * Band-aid until haifa's bitset implementation is nuked.
12990 * haifa-sched.c (extract_bitlst): New parameter for size of the
12991 bitset in bits. All callers changed. Avoid looking at undefined
12992 bits in the bitset.
12993 (edgeset_bitsize): New variable.
12994 (schedule_region): Initialize edgeset_bitsize.
12996 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12998 * Makefile.in (optabs.o): Depend on real.h
12999 (resource.o): Depend on insn-attr.h
13001 * builtins.c (result_vector): Wrap prototype in macro conditions
13002 governing definition and use.
13004 * c-common.c: Include tm_p.h.
13006 * c-lex.c: Likewise.
13008 * elfos.h: Constify a char*.
13010 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
13011 (get_attr_length, shorten_branches, profile_after_prologue): Mark
13012 parameter with ATTRIBUTE_UNUSED.
13014 * fold-const.c (exact_real_inverse): Wrap variable `i' in
13017 * haifa-sched.c (schedule_insns): Mark parameter with
13020 * optabs.c: Include real.h.
13022 * real.h (ereal_atof): Add prototype arguments.
13024 * resource.c: Include insn-attr.h.
13026 * sdbout.c (sdbout_queue_anonymous_type,
13027 sdbout_dequeue_anonymous_types): Wrap in macro
13028 SDB_ALLOW_FORWARD_REFERENCES.
13029 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
13032 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
13034 * stupid.c: Include tm_p.h.
13036 * tree.c (real_value_from_int_cst): Mark parameter with
13039 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13041 * i960-protos.h: New file.
13043 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
13046 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
13048 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13050 * combine.c (expand_field_assignment): Do not discard SUBREGs
13051 while computing nonzero_bits.
13053 2000-01-09 Nick Clifton <nickc@cygnus.com>
13055 * config/arm/arm.c: Fix compile time warnings about signed vs
13056 unsigned constants.
13057 * config/arm/arm.h: Fix compile time warnings about signed vs
13058 unsigned constants.
13060 2000-01-09 Philip Blundell <philb@gnu.org>
13062 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
13063 than `ldm' with only one register.
13064 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
13067 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
13070 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
13072 * config/ns32k/ns32k.md (load or push effective address): Operand 1
13075 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13077 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
13078 assignment used as truth value.
13080 * function.c (assign_temp): Mark parameter `dont_promote' with
13081 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
13082 PROMOTE_FOR_CALL_ONLY.
13084 * genrecog.c (write_subroutine): Mark variable `operands' with
13087 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
13090 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
13091 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
13093 * toplev.c (note_deferral_of_defined_inline_function): Likewise
13096 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13098 * config/c4x.h: Tidy up comments.
13099 * config/c4x.c: Likewise.
13101 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
13103 * fold-const.c (lshift_double, rshift_double): Handle
13104 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
13106 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13108 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
13109 in prepare_function_start().
13111 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
13113 * config/v850/v850.c (expand_epilogue): Interrupt functions no
13114 longer allocate extra stack for function calls.
13116 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13118 * config/c4x/c4x.md (*subqf3_set): Fix typo.
13120 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13122 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
13124 2000-01-07 David Edelsohn <edelsohn@gnu.org>
13126 * rs6000.c (processor_target_table): Add power3 as alias for 630.
13127 * aix43.h: Revert Aug 2 change.
13128 (HAS_INIT_SECTION): Define, not visible yet.
13129 (LD_INIT_SWITCH): Define, not visible yet.
13130 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
13132 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
13134 * collect2.c (main): Expand ld2 size further.
13135 (export_object_lst): Cast assignment to avoid warning.
13136 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
13137 (scan_prog_file, COFF): Do not collect initialization or
13138 finalization functions generated for entire shared object if
13139 init/fini support present.
13141 2000-01-07 Nick Clifton <nickc@cygnus.com>
13143 * config/elfos.h: Tidy up formatting of marcos. Make sure
13144 that .section directives are always prefixed by a tab.
13146 * config/svr4.h: Add #include "elfos.h" and remove duplicate
13149 2000-01-07 Matt Austern <austern@sgi.com>
13151 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
13154 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
13156 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
13158 (crtbegin.o, s-crtS): Likewise.
13160 2000-01-06 Richard Henderson <rth@cygnus.com>
13162 * alpha.md (adddi_2+1): Limit offset such that it will be
13163 loadable with a single ldah+lda pair.
13164 (adddi_2+2): Explicitly fail split if we can't make it work.
13166 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
13168 * protoize.c: Conditionally include unistd.h.
13169 (IS_SAME_PATH_CHAR): New macro.
13170 (IS_SAME_PATH): New macro.
13171 (CPLUS_FILE_SUFFIX): New macro.
13172 (cplus_suffix): New static variable.
13173 (is_abspath): New static function.
13174 (in_system_include_dir): Handle DOS style pathnames.
13175 (file_could_be_converted): Likewise.
13176 (file_normally_convertible): Likewise.
13177 (directory_specified_p): Likewise.
13178 (file_excluded_p): Likewise.
13179 (abspath): Likewise.
13180 (shortpath): Likewise.
13181 (referenced_file_is_newer): Likewise.
13182 (save_def_or_dec): Likewise.
13183 (do_processing): Likewise.
13185 (edit_file): Likewise. Use rename instead of link.
13186 (rename_c_file): Likewise. Don't rename syscalls file.
13187 (munge_compile_params): Define null device for DOS based systems.
13188 (process_aux_info_file): Use binary mode if appliable.
13189 (edit_file): Likewise.
13190 * invoke.texi (Running Protoize): Document C++ suffixes used.
13192 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
13193 IS_DIR_SEPARATOR macros.
13194 * collect2.c: Likewise.
13195 * cppinit.c: Likewise.
13196 * dwarf2out.c: Likewise.
13198 * gcov.c: Likewise.
13199 * prefix.c: Likewise.
13201 * toplev.c: Likewise.
13202 * system.h: And move to here.
13204 * prefix.c (update_path): Fix typo in variable name.
13206 2000-01-06 Richard Henderson <rth@cygnus.com>
13208 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
13209 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
13210 (count_reg_sets_1, count_reg_references): Likewise.
13211 (flow_loops_level_compute): Start counting actual loop depth at 1.
13212 (flow_loops_find): Likewise.
13213 * local-alloc.c (update_equiv_regs): Likewise.
13214 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
13216 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
13218 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
13219 FIRST_PSEUDO_REGISTER
13220 * dwarf2out.c: Don't include frame.h
13221 * dwarfout.c: Likewise
13222 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
13225 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
13227 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13230 * i386.c (movsf splitter): Fix typo in my last checkin.
13232 2000-01-05 Nick Clifton <nickc@cygnus.com>
13234 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
13235 own definition of this macro.
13236 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
13237 flag_data_sections or UNIQUE_SECTION_P are true.
13239 * tm.texi (UNIQUE_SECTION): Document that it can be called for
13240 unitialised data decls.
13242 * config/i386/winnt.c (i386_pe_unique_section): Cope with
13243 being called for uninitialised data.
13245 * config/i386/interix.c (i386_pe_unique_section): Cope with
13246 being called for uninitialised data.
13248 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
13249 for uninitialised data.
13251 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
13252 for uninitialised data.
13254 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
13255 for uninitialised data.
13257 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
13258 (UNIQUE_SECTION_P): Always generate a unique section if
13259 flag_data_sections is true.
13260 (UNIQUE_SECTION): Also generate unique sections for
13261 uninitialised data.
13262 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
13263 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
13266 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13268 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
13271 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13273 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
13274 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
13275 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
13276 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
13277 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
13279 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
13281 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
13283 * c-decl.c (finish_enum): Simplify code to determine minimum and
13284 maximum values of the enum, and calculate the type. Remove check
13285 for FUNCTION_DECLs in the values list, which cannot happen. Replace
13286 the DECL_INITIAL of each enumeration constant with a copy converted
13287 to the enumeration type. When updating variant types, don't bother
13288 updating the type itself.
13290 * c-typeck.c (build_binary_op): Simplify conditional expressions
13291 when weeding out spurious signed-unsigned warnings. Add new
13292 spurious warning category: if the unsigned quantity is an enum
13293 and its maximum value fits in signed_type(result_type). Update
13295 (build_conditional_expr): Warn here if one alternative is signed
13296 and the other is unsigned.
13298 2000-01-05 Nick Clifton <nickc@cygnus.com>
13300 * config/fr30/fr30.h: Remove extraneous comments.
13302 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
13304 * reload1.c (choose_reload_regs): When disabling a reload, also
13305 set reload_spill_index to -1.
13307 2000-01-04 Joel Sherrill (joel@OARcorp.com>
13309 * configure.in (m68*-*-rtemscoff*): New target, formal name for
13311 (m68*-*-rtemself*): New target.
13312 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
13313 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
13314 (sparc*-*-rtemself*): New target.
13315 (sparc*-*-rtems*): Now elf not a.out.
13316 * config/i386/rtems.h: Include config/rtems.h.
13317 * config/i386/rtemself.h: Include config/rtems.h.
13318 * config/i960/rtems.h: Include config/rtems.h.
13319 * config/m68k/rtems.h: Include config/rtems.h.
13320 * config/m68k/rtemself.h: Include config/rtems.h.
13321 * config/mips/rtems64.h: Include config/rtems.h.
13322 * config/pa/rtems.h: Include config/rtems.h.
13323 * config/rs6000/rtems.h: Include config/rtems.h.
13324 * config/sh/rtems.h: Include config/rtems.h.
13325 * config/sh/rtemself.h: Include config/rtems.h.
13326 * config/sparc/rtems.h: Include config/rtems.h.
13327 * config/sparc/rtemself.h: Include config/rtems.h
13329 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
13331 * final.c (shorten_branches): Correctly compute length of
13332 asms without operands.
13334 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
13336 * configure.in: Add pj target.
13337 * configure: Regenerate.
13338 * config/pj: New directory.
13339 * config/pj/lib1funcs.S: New file.
13340 * config/pj/linux.h: New file.
13341 * config/pj/pj.c: New file.
13342 * config/pj/pj.md: New file.
13343 * config/pj/pjl.h: New file.
13344 * config/pj/t-pj: New file.
13345 * config/pj/xm-pj.h: New file
13347 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
13349 * toplev.c (rest_of_compilation): Run shorten-branches before
13352 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13354 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
13355 macros so that they're consistent with their names.
13356 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
13357 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
13359 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13361 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
13362 modified inadvertently.
13364 2000-01-04 Joel Sherrill <joel@OARcorp.com>
13366 * configure.in (v850*-*-rtems*): New target.
13367 * configure: Regenerate.
13368 * config/v850/rtems.h: New file.
13370 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
13372 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
13373 (__gthread_key_create): Likewise.
13374 (__gthread_key_dtor): Likewise.
13375 (__gthread_once): Fix logic.
13376 (__gthread_key_delete): Cast away constness.
13378 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
13379 * invoke.texi: Document.
13380 * i386/mingw32.h (CPP_SPEC): Use.
13381 (LIBGCC_SPEC): Likewise.
13382 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
13384 2000-01-04 David Edelsohn <edelsohn@gnu.org>
13386 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
13387 (HANDLE_PRAGMA_PACK): Undefine.
13388 (SLOW_UNALIGNED_ACCESS): Define.
13390 2000-01-04 David Edelsohn <edelsohn@gnu.org>
13392 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
13393 to default definition.
13394 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
13395 (store_fixed_bit_field): Call macro with word_mode and alignment.
13396 (extract_bit_field): Call macro with relevant mode and alignment.
13397 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
13398 to default definition.
13399 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
13401 (move_by_pieces_ninsns): Likewise.
13402 (clear_by_pieces): Likewise.
13403 (emit_push_insn): Likewise.
13404 (store_field): Call macro with relevant mode and alignment.
13405 (expand_expr): Likewise.
13406 (expand_expr_unaligned): Likewise.
13408 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
13409 (SLOW_UNALIGNED_ACCESS): Define.
13410 (CASE_VECTOR_MODE): Always use 32-bit offsets.
13411 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
13412 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
13413 (toc_section): Likewise and .toc pseudo-op.
13414 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
13416 (TEXT_SECTION_ASM_OP): Likewise.
13417 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
13420 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
13421 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
13422 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
13423 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
13424 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
13426 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
13428 * regclass.c: Revert my Jan 4 change to loop cost computation.
13430 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13432 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
13435 2000-01-04 Stan Cox <scox@cygnus.com>
13437 * haifa-sched.c (build_control_flow): Change unreachable simple
13438 loop test to check if current block has only one predecessor.
13439 (find_rgns): Initialize degree. Use dest as degree index, not src.
13441 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13443 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
13445 * calls.c (expand_call): Likewise for
13446 `old_stack_arg_under_construction'.
13448 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
13450 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
13453 * gcc.c (execute): Likewise for `ut' and `st'.
13455 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
13457 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
13459 * jump.c (jump_optimize_1): Likewise for `temp2'.
13461 * local-alloc.c (block_alloc): Likewise for `r1'.
13463 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
13465 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
13466 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
13468 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
13471 * reload.c (find_reloads): Likewise for `goal_alternative_number'
13472 and `goal_earlyclobber'.
13474 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
13476 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
13478 * stupid.c (stupid_life_analysis): Likewise for `chain'.
13480 * unroll.c (copy_loop_body): Likewise for `copy'.
13482 * varasm.c (output_constructor): Likewise for `byte'.
13484 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13486 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
13487 all FP constants for constant->reg moves.
13488 (ix86_split_to_parts): Try to convert memory address into immediate
13489 when available in the constant pool.
13490 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
13492 (LEGITIMATE_CONSTANT_P): Return 1.
13493 * i386.md (pushsf): New splitter to convert constant pool memory
13494 reference to immediate.
13495 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
13498 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
13500 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
13501 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
13502 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
13503 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
13504 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
13506 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
13508 * ginclude/stdbool.h: Support compilation as C++.
13510 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13512 * fold-const.c (make_range): Don't try to reverse an unbounded range.
13514 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
13516 * regclass.c (regclass): Properly compute loop_cost. Adjust
13519 * regclass.c: Fix minor whitespace problems.
13521 2000-01-03 Anthony Green <green@cygnus.com>
13523 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
13524 Restore the pic register if required.
13526 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
13528 * c-common.c (format_char_info): Update comment.
13529 (check_format_info): Recognize 'z' modifier in the same way 'Z'
13530 was recognized. Emit warning for formats new in ISO C99 only
13531 if flag_isoc9x is not set.
13533 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
13535 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
13537 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13539 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
13540 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
13541 (make_compound_operation): Choose cheaper alternative between
13542 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
13544 * regclass.c (op_costs): Remove global variable.
13545 (record_reg_classes): New parameter "op_costs" and "reg_pref".
13546 (record_operand_costs): Break out from ...
13547 (scan_one_insn): ... here.
13548 (dump_regclass): Make dumps nicer.
13549 (regclass): Dump preferrences choosed and changes done during passes.
13551 2000-01-03 Jakub Jelinek <jakub@redhat.com>
13553 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
13555 2000-01-03 Jakub Jelinek <jakub@redhat.com>
13557 * config/sparc/sparc.c (gen_df_reg): New function.
13558 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
13559 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
13560 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
13561 movtf_cc_reg_sp64+1): Use it.
13563 2000-01-02 Mark Mitchell <mark@codesourcery.com>
13565 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
13566 copied LABEL_DECLs.
13568 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
13570 * config/i386/i386.c (ix86_expand_unary_operator): Function
13571 definition made void.
13572 (ix86_expand_binary_operator): Update outdated preceding comment.
13573 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
13576 * config/i386/i386.c (override_options): Fix option-name typo.
13578 2000-01-02 Mark Mitchell <mark@codesourcery.com>
13580 * system.h (CEIL): Define.
13581 * builtins.c (CEIL): Remove.
13582 * expmed.c (CEIL): Likewise.
13583 * expr.c (CEIL): Likewise.
13584 * stor-layout.c (CEIL): Likewise.
13586 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13588 * expr.c (store_constructor_field): Fix typo introduced with last
13591 2000-01-01 Mark Mitchell <mark@codesourcery.com>
13593 * tree.h (BINFO_N_BASETYPES): New macro.
13595 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
13597 * expmed.c (emit_store_flag): Prevent losing a pending stack
13598 adjust the same way we prevent losing queued increments.
13600 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13602 * function.c (update_temp_slot_address): Handle case where sum of
13603 temporary address plus offset in register is a valid address.
13605 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13607 * genrecog.c (change_state) Corrected typo.
13609 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13611 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
13612 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
13613 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
13615 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
13617 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
13618 case, expand GT comparisons correctly. Fix a comment before this
13621 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
13623 * dwarfout.c: Include "frame.h"
13624 * dwarf2out.c: Likewise.
13625 * Makefile.in (dwarfout.o): Depend on frame.h
13626 (dwarf2out.o): Likewise.
13628 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
13630 Restore i386 binary compatibility in Dwarf EH info.
13631 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
13632 value of FIRST_PSEUDO_REGISTER.
13633 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
13634 (struct frame_state): Use DWARF_FRAME_REGISTERS.
13635 * dwarfout.c (output_reg_number): Ditto.
13636 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
13637 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
13639 1999-12-29 Bruce Korb <autogen@linuxbox.com>
13641 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
13642 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
13643 (<hack>_RE_CT): not needed
13644 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
13645 rewritten to scan the file text once only
13646 "template<..." test added
13647 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
13648 (is_cxx_header): declaration added
13649 * fixinc/fixtests.c(is_cxx_header): removed
13650 (apply_fix_p_t): removed
13651 (double_slash_test): is_cxx_header is only called once now
13652 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
13653 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
13654 within the templates.
13655 The borken spelling of "broken" was fixed.
13656 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
13657 The default level depends on FIXINC_DEBUG.
13659 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13661 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
13662 Otherwise provide a declaration for atexit.
13663 (init_dummy): Make sure dummy call to atexit is nevertheless
13664 called with correct number of args.
13666 * frame.c: Update comments referring to other files.
13668 * libgcc2.c: Likewise.
13670 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13672 * cse.c (free_element, get_element): Remove unused prototypes.
13674 * fold-const.c (extract_muldiv): Initialize variables `op0' and
13677 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
13680 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
13682 * configure.in,configure: case arm for mn10200-*-* now sets
13683 float_format=i32 so that float.h will correctly claim "double"
13684 to be 32 bits. Ran autoconf to generate configure from .in file.
13686 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
13688 * pa.md (conditional zero): If op1 is a register, force it into
13689 the same register as op0.
13691 1999-12-28 Mark Mitchell <mark@codesourcery.com>
13693 * tree.h (BINFO_BASETYPES): Improve documentation.
13695 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13697 * configure.in (--enable-checking): Use a more portable `for'
13700 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13702 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
13703 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
13705 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
13708 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
13709 Delete descriptions.
13711 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
13712 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
13713 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
13714 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
13715 xm-svr4.h: Remove all instances of sys_siglist handling.
13717 1999-12-27 Jakub Jelinek <jakub@redhat.com>
13719 * config/sparc/sparc.md (cmp_zero_qi,
13720 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
13721 cmp_zero_extendqidi2_andcc_set): New patterns.
13723 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
13725 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
13726 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
13727 (fpgnulib.c, xfgnulib.c): Add rules.
13728 * m68k/t-mot3300-gas: Likewise.
13730 1999-12-27 Ian Lance Taylor <ian@zembu.com>
13732 * configure.in: Avoid [[ by using test and changequote. Add
13733 changequote required by 1999-12-14 change.
13734 * configure: Rebuild.
13736 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
13738 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
13740 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
13742 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
13743 * flow.c (find_use_as_address): Likewise.
13744 * function.c (fixup_var_refs_1): Likewise.
13745 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
13746 * jump.c (invert_exp, redirect_exp): Likewise.
13747 * loop.c (replace_call_address): Likewise.
13748 (count_nonfixed_reads): Likewise.
13749 * rtlanal.c (modified_between_p): Likewise.
13750 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
13751 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
13752 * unroll.c (remap_split_bivs): Likewise.
13754 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13756 * diagnostic.c (v_message_with_decl): Use .* format specifier
13757 instead of building the format specifier width manually.
13759 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
13760 determining whether to provide a prototype. Remove the
13761 sys_siglist clause in the conditional.
13763 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13765 * fold-const.c (operand_equal_p): Use memcmp to compare string
13767 Suggested by D. J. Bernstein
13769 1999-12-17 Jakub Jelinek <jakub@redhat.com>
13771 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
13772 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
13774 * config/mips/mips.h (TARGET_64BIT): Likewise.
13775 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
13776 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
13777 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
13778 dsps. Give routines proper names if SI/DI modes are not used.
13779 * longlong.h: Use DWunion instead of DIunion.
13781 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
13783 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
13784 GC_CHECKING, GC_ALWAYS_COLLECT.
13785 * configure.in: Allow --enable-checking with an argument
13786 listing check modes to enable.
13787 * config.in, configure: Rebuilt.
13788 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
13789 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
13790 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
13791 ENABLE_GC_ALWAYS_COLLECT.
13792 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
13794 * tree.h, tree.c: Change ENABLE_CHECKING to
13795 ENABLE_TREE_CHECKING throughout.
13797 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13799 * fold-const.c (fold_truthop): Properly check for FP RHS.
13801 1999-12-24 Mark Mitchell <mark@codesourcery.com>
13803 * toplev.h (note_deferall_of_defined_inline_function): Declare.
13804 * toplev.c (note_deferral_of_defined_inline_function): New
13805 function, split out from ...
13806 (rest_of_compilation): ... here. Use it.
13808 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13810 * expr.c (store_constructor): Don't call clear_storage if size is
13813 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13815 * Makefile.in (toplev.o): Depend on loop.h.
13817 * dwarfout.c: Include tm_p.h.
13819 * emit-rtl.c (restore_emit_status): Mark parameter with
13822 * final.c (final_scan_insn): Likewise.
13824 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
13825 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
13826 flow_depth_first_order_compute, flow_loop_pre_header_find,
13827 flow_loop_tree_node_add, flow_loops_tree_build,
13828 flow_loop_level_compute, flow_loops_level_compute,
13829 flow_loop_outside_edge_p): Add prototypes.
13830 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
13832 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
13833 Mark with ATTRIBUTE_NORETURN.
13835 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
13837 * local-alloc.c (no_conflict_p): Likewise.
13839 * loop.c (insert_bct): Hide definitions of variables with hidden
13841 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
13843 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
13844 with ATTRIBUTE_UNUSED.
13845 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
13846 (reg_scan): Likewise.
13848 * reload.c (find_reloads): Remove unused variables `changed'.
13850 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
13852 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
13853 Remove unused variable `insn'.
13855 * toplev.c: Include loop.h.
13856 (report_file_and_line): Remove unnecessary prototype.
13858 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
13860 * unroll.c (biv_total_increment): Likewise.
13862 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13864 * reload1.c (emit_input_reload_insns): Restore old behaviour
13865 wrt. 'special' reloads.
13867 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
13869 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
13870 hash.h. (cse.c): Don't depend on hashtab.h.
13872 * cse.c: Don't include hashtab.h.
13873 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
13875 * ggc-simple.c: Don't include hash.h.
13877 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
13879 * dwarf2out.c (add_abstract_origin_attribute): Call
13880 gen_abstract_function on our function context.
13882 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
13884 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
13886 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13888 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
13891 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13893 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
13894 constraints to "a!r".
13896 1999-12-21 Mark Mitchell <mark@codesourcery.com>
13898 * Makefile.in (calls.o): Depend on function.h.
13899 (alias.o): Likewise.
13901 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
13903 * reload1.c (emit_reload_insns): Break out code and variables into...
13904 (input_reload_insns, other_input_address_reload_insns,
13905 other_input_reload_insns, input_address_reload_insns,
13906 inpaddr_address_reload_insns, output_reload_insns,
13907 output_address_reload_insns, outaddr_address_reload_insns,
13908 operand_reload_insns, other_operand_reload_insns,
13909 other_output_reload_insns): ... new static variables, and...
13910 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
13911 do_output_reload): ... new functions.
13913 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13915 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
13917 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13919 * md.texi: Add c4x constraints documentation.
13921 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13923 * config/i386/dgux.c (struct option): Rename to
13924 lang_independent_option.
13925 (struct m_options): Add description field.
13926 (output_options): Rename option type, add sep declaration, output
13927 ix86_cpu_string and ix86_arch_string only if set.
13928 (output_file_start): Rename option type.
13930 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
13932 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
13934 (libgcc2.a): Similarly.
13936 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
13938 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
13939 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
13940 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
13942 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
13944 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
13945 Remove redundant initialization of "frexpon" and "expon".
13947 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13949 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
13951 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
13952 (store_constructor_field, expand_expr): Pass new arg.
13954 1999-12-20 Mark Mitchell <mark@codesourcery.com>
13956 * Makefile.in (explow.o): Depend on function.h.
13958 * stor-layout.c (set_sizetype): Fix typo.
13960 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
13962 * function.c (cfun): Renamed from current_function. All users
13964 * function.h (cfun): Rename declaration as well.
13966 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
13967 to be of type regset_head, not regset. All users changed by adding
13969 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
13971 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13973 * config/c4x/rtems.h: New file.
13975 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
13977 * reload1.c (spill_failure): Take class of failed reload as argument
13978 and print it. Caller changed.
13980 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13982 * rs6000.h (SUBTARGET_DEFAULT): New macro.
13983 (TARGET_SWITCHES): Allow subtargets to default switches.
13984 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
13986 1999-12-18 Mark Mitchell <mark@codesourcery.com>
13988 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
13991 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
13993 * cccp.c (main): Define __STDC_VERSION__ as necessary.
13994 * cppinit.c (cpp_handle_option): Likewise.
13996 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
13997 determine when to define.
13999 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
14001 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
14002 cmove with mismatched test and data modes.
14004 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
14006 * c-typeck.c (c_expand_start_case): Don't warn for long switch
14009 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14011 * alias.c: Minor reformatting.
14012 * flow.c: Likewise.
14013 * regs.h: Likewise.
14014 * stor-layout.c: Likewise.
14015 * fold-const.c: Likewise.
14016 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
14017 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
14019 (size_int_wide): Cache nodes even if garbage collecting.
14020 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
14021 of SAVE_EXPR has no side effects.
14022 * cse.c: Move a comment.
14023 * tree.c: Minor reformatting.
14024 (int_size_in_bytes): Return -1 if constant overflows.
14026 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14028 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
14030 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
14032 * objc/objc-parse.c: Regenerate. This file must be rebuilt
14033 after any change to c-parse.in, even if objc-parse.y didn't
14036 1999-12-18 David S. Miller <davem@redhat.com>
14038 * toplev.c (rest_of_compilation): Restore BLOCK tree
14039 reconstruction and branch shortening changes lost in
14040 December 18th change.
14042 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
14044 * config/arm/linux-elf.h: Change all instances of
14045 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
14046 * config/arm/uclinux-elf.h: Likewise.
14048 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
14050 * toplev.c (notice, vmessage, v_message_with_file_and_line,
14051 v_message_with_decl, file_and_line_for_asm,
14052 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
14053 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
14054 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
14055 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
14056 pfatal_with_name, fatal_io_error, need_error_newline,
14057 last_error_function, last_error_tick, announce_function,
14058 default_print_error_function, print_error_function,
14059 report_error_function, fnotice, error_with_file_and_line,
14060 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
14061 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
14062 warning_with_decl, warning_for_asm, warning, pedwarn,
14063 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
14065 (compile_file): Use fnotice instead of notice. Adjust call.
14067 * diagnostic.c: New file.
14069 * Makefile.in (OBJS): Include diagnostic.o
14070 (diagnostic.o): Define dependence.
14072 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14074 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
14077 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14079 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
14081 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14083 * fixtests.c (is_cxx_header): New fn, split out of
14085 (else_endif_label): Allow "#endif // comment" in C++ headers,
14086 as determined by is_cxx_header.
14087 * fixfixes.c (else_endif_label_fix): Update comment.
14088 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
14090 * genfixes: Correct double thinko in commandline parsing.
14091 * hackshell.tpl: Generate correct sh syntax for bypass
14094 * inclhack.def (all): Whenever an inserted preprocessor
14095 conditional is split over multiple lines, use double
14096 backslashes in this file so the fixed header will be readable.
14098 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
14099 and add bypass entry for correct version of this header.
14100 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
14101 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
14103 (hpux8_bogus_inlines): New fix, split from...
14104 (ultrix_atof_param) ... here.
14105 (math_expression): Add bypass entry keyed to glibc comment
14106 indicating the problem has been dealt with; disable
14107 unnecessary sed operations; update commentary.
14108 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
14109 add select and bypass entries, simplify shell operation.
14110 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
14112 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
14113 ultrix_atof_param): Add select entry.
14114 (stdio_va_list, sunos_mather_decl): Add bypass entry.
14115 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
14116 comments with the fixes they describe.
14118 * c-parse.in (string action): Do not warn about ANSI string
14119 concatenation in system headers. Affects C parser only.
14120 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
14122 1999-12-16 Jakub Jelinek <jakub@redhat.com>
14124 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
14125 compiling libgcc2 the macro depends always on arch cpp defines.
14127 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
14129 * loop.c (insert_loop_mem): Don't record MEMs from inside
14132 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
14134 * regclass.c (regclass): Do not use flowgraph when not optimizing.
14136 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
14137 notes too, create one when replacement failed, attempt to simplify
14139 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
14140 or REG_EQUIV notes.
14142 1999-12-16 Mark Mitchell <mark@codesourcery.com>
14144 * crtstuff.c (__dso_handle): Declare.
14145 (__cxa_finalize): Likewise.
14146 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
14149 * invoke.texi: Document -fuse-cxa-atexit.
14151 * tree.h (ptr_type_node): Document.
14152 (const_ptr_type_node): Likewise.
14154 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14156 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
14157 (optimize_reg_copy_2): Likewise.
14158 (optimize_reg_copy_3): Likewise.
14159 (fixup_match_2): Likewise.
14160 (regmove_optimize): Likewise.
14161 (fixup_match_1): Liekwise.
14163 * i386.md (HI to SImode promoting splitters): Rewrite.
14164 (pushsf mem peep2): New.
14165 (testhi to andhi peep2): Remove.
14166 * i386.h (x86_promote_QImode): New.
14167 (TARGET_PROMOTE_QImode): New.
14168 (PREDICATE_CODES): Add promotable_binary_operator.
14169 * i386.c (x86_promote_QImode0: New.
14170 (promotable_binary_operator): New.
14171 * i386-protos.h (promotable_binary_operator): New.
14173 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
14175 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
14177 1999-12-16 Mark Mitchell <mark@codesourcery.com>
14179 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
14180 * function.c (insert_block_after_note): Remove.
14181 (retrofit_block): Likewise.
14182 (identify_blocks): Fix indentation.
14183 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
14184 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
14185 * function.h (insert_block_after_note): Remove prototype.
14186 (retrofit_block): Likewise.
14187 * integrate.c (expand_inline_function): Don't call
14188 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
14189 just expand_start_bindings. Use the block_map to remap old
14190 NOTE_BLOCKs to new ones.
14191 (integrate_decl_tree): Keep track of remapped blocks.
14192 * integrate.h (struct inline_remap): Add block_map.
14193 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
14194 NOTE_BLOCK on the notes.
14195 (expand_start_bindings): Rename to ...
14196 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
14197 (expand_end_bindings): Set NOTE_BLOCK.
14198 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
14199 reconstruct the BLOCK tree.
14200 * tree.h (expand_start_bindings): Macroize. Call ...
14201 (expand_start_bindings_and_block): New function.
14203 1999-12-16 Jakub Jelinek <jakub@redhat.com>
14205 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
14206 to match the format.
14208 1999-12-16 David S. Miller <davem@redhat.com>
14210 * expr.c (emit_move_insn_1): Only emit clobbers if one of
14211 the outputs is a SUBREG.
14212 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
14215 * config/sparc/sparc.c (epilogue_renumber): Add default case
14218 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14220 * toplev.c (rest_of_compilation): Run branch shortening after
14223 * regclass.c (loop_depth): Remove
14224 (scan_one_insn): Do not handle LOOP_NOTE insns.
14225 (regclass): Go through basic blocks and set loop_cost
14227 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
14229 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
14231 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14233 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
14234 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
14235 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
14237 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
14239 * loop.c (insert_loop_mem): Ignore memory clobbers.
14241 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
14244 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
14246 * profile.c: Remove redundant #include "output.h".
14248 * h8300.md (HImode preinc peephole): Fix typo.
14250 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14252 * function.c (retrofit_block): Abort if we don't find a suitable insn.
14253 (insert_block_after_note): Abort if we don't have a previous block.
14254 Remove FN parameter.
14255 * function.h: Adjust.
14257 1999-12-15 Mark Mitchell <mark@codesourcery.com>
14259 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
14260 argument more than once.
14262 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14264 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
14266 1999-12-15 Jakub Jelinek <jakub@redhat.com>
14268 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
14270 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14272 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
14273 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
14274 update stack_alignment_needed.
14275 (prepare_function_start): Initialize stack_alignment_needed
14276 * function.h (struct function): Add field stack_alignment_needed.
14278 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14280 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
14281 Handle live_throughout / dead_or_set instead of live_before /
14283 (save_call_clobbered_regs): Get register livenessinformation from
14284 chain->live_throughout.
14285 (add_stored_regs): New function.
14286 (insert_restore, insert_save): Add restored / saved registers to
14288 * global.c (reg_dies): New parameter chain.
14289 (reg_becomes_live): Third parameter is regs_set now.
14290 Changed all callers.
14291 (reg_dies): New parameter chain. Changed all callers.
14292 (build_insn_chain): Set live_throughout instead of
14293 live_before / live_after.
14294 * reload.h (struct insn_chain): Replace members live_before /
14295 live_after with live_throughout / dead_or_set.
14296 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
14297 instead of live_before / live_after.
14298 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
14299 (order_regs_for_reload, find_reg, finish_spills): Likewise.
14300 (choose_reload_regs_init): Likewise.
14301 * stupid.c (current_chain, find_clobbered_regs): Delete.
14302 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
14303 instead of chain->live_before / chain->live_after.
14304 (mark_hard_ref): New function.
14305 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
14307 1999-12-15 David S. Miller <davem@redhat.com>
14309 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
14311 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14313 * flow.c (calculate_loop_depth): Make global, remove prototype,
14314 rewrite to use new loop infrastructure.
14315 (find_basic_block): Remove calculate_loop_depth call.
14316 * toplev.c (rest_of_compilation): Call find_basic_block.
14317 * output.h (calculate_loop_depth): Declare.
14319 * flow.c (dump_flow_info): Dump loop_depth.
14320 (flow_loops_nodes_find): Increase loop_depth for basic block in the
14322 (flow_loops_find): Initialize the loop_depth for each basic block.
14324 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14326 * tree.c (decl_function_context): Handle virtual functions.
14328 * tlink.c (scan_linker_output): Don't look in demangled name when
14329 looking for linker output keywords.
14331 * dwarfout.c (output_type): We can defer namespace-scope classes.
14333 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
14335 * regclass.c (record_reg_classes): Update comment for merging
14336 register class preferences in reg->reg copies. Tighten conditions
14337 for merging register class preferences in reg->reg copies.
14339 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
14341 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
14343 1999-12-14 Geoff Keating <geoffk@cygnus.com>
14345 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
14346 (INIT_SECTION_ASM_OP): Delete.
14347 (FINI_SECTION_ASM_OP): Delete.
14348 (STARTFILE_SPEC): Define to hold just crtbegin.o.
14350 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
14352 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
14353 the abstract origin wasn't emitted.
14355 * dwarf2out.c (class_scope_p): New fn.
14356 (gen_subprogram_die): Use it.
14357 (gen_variable_die): Use it. Tweak logic.
14358 (gen_struct_or_union_type_die): Check context_die to determine
14359 if we're function-local.
14360 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
14362 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14364 * loop.c (check_dbra_loop): Can't reverse a biv that has
14365 maybe_multiple set.
14367 1999-12-14 Nick Clifton <nickc@cygnus.com>
14369 * config/arm/arm.c: Add support for -mcpu=arm720 command line
14372 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14374 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
14375 for givs made from biv increments.
14377 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
14379 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
14380 * alpha.c (override_options): Recognize -mcpu=ev67.
14381 * alpha.h (CPP_CPU_EV67_SPEC): New.
14382 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
14383 (EXTRA_SPECS): Update.
14385 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
14387 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
14388 appropriate for -lang-c89 and -std=*.
14389 * cppinit.c (cpp_handle_option): Likewise.
14390 (new_pending_define): New, split out from cpp_handle_option.
14391 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
14392 or enable trigraphs for -ansi/-std=*.
14394 * ginclude/stdarg.h (__va_copy): New.
14395 (va_copy): Don't define for C89.
14397 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
14399 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
14400 for long long multiply-accumulate.
14402 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14404 * regclass.c (scan_one_insn): Set loop_cost to 1 when
14405 optimizing for size.
14407 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14409 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
14410 if something changed. Back out that part of yesterday's changes.
14412 * loop.c (loop_max_reg): New static variable.
14413 (loop_optimize): Initialize it. Eliminate one unnecessary call to
14415 (scan_loop): Call reg_scan_update whenever we may have added new
14416 registers, and update loop_max_reg.
14418 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14420 * regclass.c (record_reg_classes): Do not do the copying preferrencing
14421 when source does not die.
14423 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
14425 1999-12-14 Jakub Jelinek <jakub@redhat.com>
14427 * config/sparc/linux64.h (TARGET_LIVE_G0,
14428 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
14430 * config/sparc/linux.h (TARGET_LIVE_G0,
14431 TARGET_BROKEN_SAVERESTORE): Likewise.
14432 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
14433 TARGET_BROKEN_SAVERESTORE): Likewise.
14435 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
14436 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
14438 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
14439 as sparc64 block profiling register.
14440 * config/sparc/sparc.c (sparc_override_options): Allow block
14441 profiling with -m32.
14442 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
14443 profiling register.
14444 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
14445 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
14446 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
14448 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
14450 * config/sparc/sparc.h: Likewise.
14451 * config/sparc/xm-sysv4-64.h: Likewise.
14452 * config/float-sparc.h: Likewise.
14453 * glimits.h: Likewise.
14454 * longlong.h: Likewise.
14456 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
14457 (ASM_IDENTIFY_GCC): Remove.
14459 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14461 * combine.c (combine_simplify_rtx): Don't make shared rtl.
14462 (simplify_logical): Likewise.
14464 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
14466 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
14467 * cppfiles.c (INO_T_EQ): Likewise.
14469 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
14471 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
14472 * i386/mingw32.h (LIB_SPEC): Likewise.
14473 (STARTFILE_SPEC): Likewise.
14474 * i386/uwin.h (LIB_SPEC): Likewise.
14475 (STARTFILE_SPEC): Likewise.
14477 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
14478 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
14480 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
14482 * combine.c (combine_simplify_rtx): Fix order of checks for
14483 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
14485 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
14487 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
14488 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
14490 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
14492 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
14494 * regclass.c (inv_reg_alloc_order): New array.
14495 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
14497 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
14498 counted_for_groups, counted_for_nongroups. Add fields rld and
14500 * reload.c (push_secondary_reload): Don't set nongroup field of
14502 (push_reload): Likewise.
14503 (find_reloads): Delete code to compute nongroup fields.
14504 * reload1.c (reload_insn_firstobj): New static variable.
14505 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
14507 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
14508 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
14509 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
14511 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
14513 (struct hard_reg_n_uses): Deleted.
14514 (potential_reload_regs): Deleted.
14515 (init_reload): Initialize spilled_pseudos and pseudos_counted.
14516 (reload): Don't try to allocate reload registers if we already know
14517 we have to make another pass. Call select_reload_regs. Free memory
14518 starting with reload_firstobj when starting another pass.
14519 Don't allocate spilled_pseudos.
14520 (calculate_needs_all_insns): Call copy_reloads for an insn that
14521 needs reloads; don't call calculate_needs.
14522 (spill_cost): New static array.
14523 (used_spill_regs_local): New static variable.
14524 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
14525 to compute potential_reload_regs.
14526 (find_reload_regs): Completely rewritten to use find_reg.
14527 (allocate_reload_reg): Don't test counted_for_groups or
14528 counted_for_nongroups. Lose NOERROR arg and code to give an error;
14529 all cllers changed.
14530 (choose_reload_regs): Add fallback code that uses the existing
14531 register allocation from find_reload_regs.
14533 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
14535 * flow.c (create_edge_list): Cast xmalloc return value.
14537 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
14539 * doprnt.c: Remove incorrect comment closure.
14541 * cse.c: Fix a few minor whitespace goofs.
14543 1999-12-13 Don Bowman <don@pixstream.com>
14545 * mips/vxworks.h: Fix problem with comment termination.
14546 (EXTRA_SECTIONS): Add in_sbss.
14547 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
14549 1999-12-12 David S. Miller <davem@redhat.com>
14551 * cse.c (struct cse_reg_info): Add hash_next member,
14552 reorder rest of struct for better packing on 64-bit
14554 (cse_reg_info_tree): Kill.
14555 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
14556 REGHASH_FN): New custom pow2 hash mechanism.
14558 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
14559 use a pow2 hash table.
14560 (get_cse_reg_info): Rework to use new REGHASH.
14561 (new_basic_block): Likewise, use HASH_SIZE, and inline
14563 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
14564 and inline free_element call.
14565 (lookup_as_function, insert, flush_hash_table, invalidate,
14566 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
14567 invalidate_for_call, use_related_value, find_comparison_args,
14568 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
14569 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
14570 get_element): Kill.
14572 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
14574 * cse.c (cse_basic_block): Free qty_table consistently.
14576 1999-12-12 David S. Miller <davem@redhat.com>
14577 Jakub Jelinek <jakub@redhat.com>
14579 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
14580 SUBREGs by hand, gen the appropriate hard reg directly.
14581 (movtf reg/mem split): Likewise and alter_subreg on destination
14583 (movtf mem/reg split): Similarly.
14584 (movdf_cc_sp64): Rename from hidden pattern.
14585 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
14586 (movtf_cc_sp64, following split): New pattern and splitter.
14587 (movdf_cc_reg_sp64): Rename from hidden pattern.
14588 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
14590 (movtf_cc_reg_sp64, following split): New pattern and splitter.
14592 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
14594 * loop.c (load_mems): Don't hoist written floating point mem
14597 1999-12-12 Mark Mitchell <mark@codesourcery.com>
14599 * except.h (struct eh_queue): Add `next' pointer.
14600 (struct eh_status): Make x_ehqueue a pointer.
14601 (push_ehqueue): Declare.
14602 (pop_ehqueue): Likewise.
14603 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
14605 (expand_fixup_region_end): Likewise.
14606 (expand_leftover_cleanups): Likewise.
14607 (push_ehqueue): Define.
14608 (pop_ehqueue): Likewise.
14609 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
14610 than doing it inline.
14611 (expand_start_all_catch): Adjust now that ehqueue is a
14613 (mark_eh_queue): Mark all level of the queue.
14614 (mark_eh_status): Adjust now that ehqueue is a
14616 (init_eh_for_function): Allocate ehqueue.
14617 (free_eh_status): Free it.
14618 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
14619 expansion for a fixup.
14621 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14623 * gthr-single.h (__gthread_active_p): Add prototype arguments.
14625 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
14626 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
14627 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
14628 function_ptr, getpagesize, __enable_execute_stack,
14629 __enable_execute_stack, __clear_insn_cache,
14630 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
14631 _cleanup, _exit, __default_terminate, __terminate_func,
14632 __terminate, __empty, __throw, new_eh_context,
14633 eh_context_initialize, eh_context_static, eh_context_specific,
14634 get_eh_context, __get_eh_context, __get_eh_info,
14635 init_reg_size_table, eh_threads_initialize,
14636 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
14637 __unwinding_cleanup, throw_helper, __throw, __rethrow,
14638 __pure_virtual): Add prototype arguments.
14639 (__bb_exit_func): Cast a sizeof to long when comparing against one.
14640 Cast a signed value to unsigned long when comparing against one.
14641 (new_eh_context): Wrap in _GTHREADS macro.
14642 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
14644 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
14645 (throw_helper): Initialize variables `handler_p' and `pc_p'.
14647 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14649 * combine.c (record_promoted_value): Remove unused variable
14652 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
14654 * global.c (record_conflicts): Likewise for `j'.
14656 * genoutput.c (output_insn_data): Don't unnecessarily cast away
14659 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14661 * i386-protos.h (output_387_binary_op, output_fix_trunc,
14662 output_fp_compare): Constify a char*.
14664 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
14666 (override_options, ix86_comp_type_attributes, print_operand,
14667 output_387_binary_op, output_fix_trunc, output_fp_compare):
14669 (ix86_sched_reorder): Mark parameter `clock_var' with
14672 * i386.h (DEBUG_PRINT_REG): Constify a char*.
14674 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
14676 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
14677 operand, for use in the Java front-end.
14679 1999-12-10 Ben Collins <bcollins@debian.org>
14681 * configure.in: Fix typo for "-64" in 64bit as check.
14682 * configure: Rebuilt.
14684 1999-12-10 Jakub Jelinek <jakub@redhat.com>
14686 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
14689 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14691 * c-parse.in (string): With -Wtraditional, warn if ANSI string
14692 concatenation is utilized.
14694 * invoke.texi (-Wtraditional): Document it.
14696 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14698 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
14699 Cast a ptrdiff_t to long and pass it to printf with %ld.
14701 1999-12-10 Geoff Keating <geoffk@cygnus.com>
14703 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
14704 68881, we have no 68881 registers at all.
14705 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
14706 value in a 68881 register if it is available.
14708 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
14710 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
14711 for long long multiply-accumulate.
14713 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
14715 * loop.c (insert_loop_mem): Undo last change.
14717 1999-12-10 David S. Miller <davem@redhat.com>
14719 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
14721 * config/sparc/sparc-protos.h: Add them.
14722 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
14723 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
14724 constraints which use those helpers.
14725 (EXTRA_CONSTRAINT): Use this new macro.
14726 * md.texi: Update sparc target constraints documentation.
14727 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
14728 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
14729 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
14730 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
14731 (movsf high/lo_sum split): Rework for new patterns.
14732 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
14734 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
14736 * c-common.c (c_common_nodes_and_builtins):
14737 Create __builtin_ptrdiff_t and __builtin_size_t.
14739 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
14741 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
14743 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14745 * regclass.c (globalize_reg): Re-instate test that allows
14746 fixed registers to be declared as a variable even after functions
14749 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14751 * i386.md (cpu attribute): Add "athlon".
14752 (athlon_decode): New attribute.
14753 (Athlon scheduling units definitions): New.
14754 (fcmp and shld patterns): Set athlon_decode to "vector".
14755 * i386.c (athlon_cost): New.
14757 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
14758 x86_use_sahf): Set for Athlon.
14759 (x86_use_fiop): Unset for Athlon.
14760 (override_options): Define Athlon alignments and "athlon" name.
14761 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
14762 * i386.h (TARGET_ATHLON): New.
14763 (enum processor_type): Add PROCESSOR_ATHLON.
14764 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
14766 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
14768 1999-12-09 Andreas Jaeger <aj@suse.de>
14770 * loop.c (record_biv): Declare parameter as int.
14772 * config/i386/i386-protos.h: Declare long_memory_operand.
14774 1999-12-09 Mark Mitchell <mark@codesourcery.com>
14776 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
14777 EXPR_WITH_FILE_LOCATION.
14779 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14781 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
14784 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
14786 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
14789 1999-12-09 Jakub Jelinek <jakub@redhat.com>
14791 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
14792 default on linux64 again.
14793 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
14794 models for multilibing.
14795 * genmultilib: Accept | as alternative separator within a set in
14798 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
14800 * calls.c (precompute_arguments): Make sure initial_value contains
14801 value pseudo which CSE expects.
14802 * cse.c (struct set): New entry orig_src.
14803 (cse_insn): Set it early on entry, use it for libcall EQUIV note
14806 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
14808 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
14810 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
14812 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
14814 1999-12-08 Jakub Jelinek <jakub@redhat.com>
14816 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
14817 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
14819 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
14822 * longlong.h: Merge in changes from glibc.
14823 Also don't clobber %g2 register in 32bit SPARC assembly, so that
14824 -mno-app-regs libgcc can be compiled.
14825 * libgcc2.c: Add defines so that the updated longlong.h
14826 can be used in libgcc2.a. Also, make sure on most architectures
14827 (at least on all which have optimized code in longlong.h defined
14828 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
14830 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14832 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
14833 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
14834 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
14836 * configure: Rebuilt.
14838 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
14840 * alpha.c (secondary_reload_class): For !BWX, sub-simode
14841 outputs require a register.
14843 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
14845 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
14846 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
14847 functions like dptoul will be resolved.
14848 (libgcc2.a): Make sure that the object files from DPBIT are named
14849 differently (prefix `_dp') from those that would be coming from
14852 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
14854 * configure.in: When target is sparc* and tm_file contains 64,
14855 test for 64bit support in assembler. If not supported, remove
14856 sparc/t-sol2-64 from target-dependent Makefile fragments.
14857 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
14858 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
14859 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
14860 * acconfig.h (AS_SPARC64_FLAG): Added.
14861 * configure, config.in: Rebuilt.
14862 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
14863 support. Use AS_SPARC64_FLAG.
14865 1999-12-07 Jakub Jelinek <jakub@redhat.com>
14867 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
14868 suitable for holding OFmode values so that gcc works with complex
14870 (hard_64bit_mode_classes): Likewise.
14872 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
14873 so that it is actually matched.
14874 (sethi_di_medlow): Likewise.
14876 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
14877 as legitimate constant if -mvis.
14878 * config/sparc/sparc.md (movtf): Likewise.
14879 (clear_sf): Use const_double_operand.
14880 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
14882 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
14883 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
14884 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
14885 routines, _Qp_* cannot be handled like that now.
14886 (INIT_TARGET_OPTABS): Likewise.
14887 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
14888 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
14889 sparc_emit_float_lib_cmp if ARCH64 and soft float.
14890 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
14891 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
14892 divtf3, sqrttf3): New expanders.
14893 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
14894 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
14895 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
14898 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
14899 * configure: Rebuilt.
14900 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
14901 -mcpu is given and we're doing 64bit compiles.
14903 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
14905 * loop.h (struct induction): Add multi_insn_incr.
14906 * loop.c (basic_induction_var): New multi_insn_incr argument.
14907 Set it if we search back through previous insns for the biv.
14908 (record_biv): New multi_insn_incr argument; fill in struct induction.
14909 (strength_reduce): Discard an iv with multiple bivs, any of
14910 which require multiple insns to increment.
14912 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14914 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
14917 1999-12-06 David S. Miller <davem@redhat.com>
14919 * combine.c (check_promoted_subreg): Do not conditionalize this upon
14920 PROMOTE_FUNCTION_RETURN.
14922 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
14924 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
14925 and handle REG_UNUSED note on insn.
14927 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
14928 inner_mask instead of mask.
14930 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
14932 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
14933 zero if there was an error.
14935 1999-12-06 Jakub Jelinek <jakub@redhat.com>
14937 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
14940 * longlong.h: Fix clobbers in SPARC asm statements.
14942 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
14943 valid sethi operations when TARGET_ARCH64.
14945 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
14946 always use move_by_pieces to avoid infinite recursion.
14947 (restore_fixed_argument_area): Likewise.
14949 * combine.c (check_promoted_subreg, record_promoted_value): New
14951 (combine_instructions): Use them to retain nonzero and sign bit
14952 information after SUBREGs are eliminated by optimizations in
14953 this pass if PROMOTE_FUNCTION_RETURN.
14955 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
14956 .register declaration. Don't use variables with __ prefixes.
14958 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14960 * fold-const.c (optimize_bit_field_compare): Only use one mode
14961 for both RHS and LHS in non-constant case.
14963 1999-12-06 Nathan Sidwell <nathan@acm.org>
14965 * frame.c (start_fde_sort): Only allocate erratic array, if
14966 linear one was allocated. Return allocated flag.
14967 (fde_insert): Only insert, if there's a valid array.
14968 (fde_end_sort): Split, sort and merge if linear and erratic
14969 arrays exist, else just sort linear one.
14970 (search_fdes): New function. Linear search through original fde
14972 (frame_init): Permit multiple initializations. Cope with
14974 (find_fde): Fallback on linear search, if failed to sort array.
14975 (__deregister_frame_info): Only free sorted array, if we
14978 1999-12-06 Jakub Jelinek <jakub@redhat.com>
14980 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
14982 1999-12-05 Jakub Jelinek <jakub@redhat.com>
14984 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
14986 1999-12-05 Mark Mitchell <mark@codesourcery.com>
14988 * tree.h (special_function_p): Declare.
14989 * calls.c (special_function_p): Make it global. Don't take `name'
14990 as a parameter. Fix typo in 1999-11-28 change.
14991 (expand_cal): Adjust.
14993 1999-12-04 Mark Mitchell <mark@codesourcery.com>
14995 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
14996 * tree.h (EXPR_WFL_FILENAME): Define in terms of
14997 EXPR_WFL_FILENAME_NODE.
14998 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
15000 * print-tree.c (print_note): Print TREE_PRIVATE and
15003 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
15004 the original die cannot be found.
15006 * varray.h (varray_head_tag): Add elements_used.
15007 (VARRAY_PUSH): New macro.
15008 (VARRAY_POP): Likewise.
15009 (VARRAY_TOP): Likewise.
15010 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
15012 * varray.c (varray_init): Initialize elements_used.
15013 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
15014 (INTEGRATE_H): New variable.
15015 (integrate.o): Depend on INTEGRATE_H.
15016 (unroll.o): Likewise.
15018 * function.h (insert_block_after_note): Declare.
15019 * function.c (insert_block_after_note): Split out from ...
15020 (retrofit_block): ... here.
15022 * stmt.c (expand_fixup): Fix typo in comment.
15024 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15026 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
15027 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
15028 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
15029 (regmove_optimize, fixup_match_1): Likewise.
15031 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15033 * flow.c (flow_loops_dump): Add missing argument when calling
15034 flow_loop_nested_p.
15036 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
15037 Greg McGary <gkm@gnu.org>
15039 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
15040 (init_attributes): Add A_NO_LIMIT_STACK.
15041 (decl_attributes): Handle A_NO_LIMIT_STACK.
15042 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
15043 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
15044 Handle stack bounds checking.
15045 * flags.h (flag_stack_check): Use the word 'probe' rather than
15046 'check', because the flag doesn't actually cause any checking to
15048 * function.c (expand_function_start): Set
15049 current_function_limit_stack.
15050 * function.h (struct function): Add limit_stack.
15051 (current_function_limit_stack): Define.
15052 * invoke.texi (Code Gen Options): Document new options.
15053 * rtl.h: Declare stack_limit_rtx.
15054 * toplev.c (stack_limit_rtx): New variable.
15055 (decode_f_option): Handle new options -fstack-limit-register=REG,
15056 -fstack-limit-symbol=IDENT, -fno-stack-limit.
15057 (main): Add stack_limit_rtx as GC root.
15058 * tree.h (DECL_NO_LIMIT_STACK): New macro.
15059 (struct tree_decl): New member no_limit_stack.
15061 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
15063 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
15064 (conditional_trap+1): Get new mnemonic correct.
15065 (conditional_trap+2): New pattern for DImode traps.
15067 * config/m68k/m68k.c (output_function_prologue): Handle
15069 * config/m68k/m68k.md (trap): New insn.
15070 (conditional_trap): New insn.
15071 * md.texi (Standard Names): Document `trap' and
15072 `conditional_trap'.
15073 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
15074 so a cc0 setter doesn't get emitted at some random place in the
15077 * config/i960/i960.md (trap): New insn.
15078 (conditional_trap): New expander.
15079 (conditional_trap+1, conditional_trap+2): New insns for signed
15080 and unsigned cases.
15081 * config/i960/i960.c (i960_function_prologue): Use
15082 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
15084 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
15085 Geoffrey Keating <geoffk@cygnus.com>
15087 * flags.h (warn_padded, warn_packed): Add global var decls.
15088 * toplev.c (warn_padded, warn_packed): Add global var defns.
15089 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
15090 * stor-layout.c (layout_record): Add local variable `type'
15091 to hold often-used TREE_TYPE (field). Add local variable
15092 `unpacked_align' to hold alignment that would be in force
15093 if no `packed' attribute were present. Warn if `packed' attribute
15094 is unnecessary, or even harmful. Warn when gcc inserts padding
15095 to satisfy alignment requirements of members. Use NULL_TREE
15096 when checking whether var_size is set.
15097 * invoke.texi: Document new flags.
15099 1999-12-03 Nathan Sidwell <nathan@acm.org>
15101 * frame.c (fde_split): Reimplement to avoid variable sized array.
15103 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15105 * combine.c (try_combine): Before fixing up LOG_LINKS for the
15106 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
15108 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
15110 * invoke.texi: Document the mips option -mno-crt0
15112 1999-12-02 Mike Karr <mkarr@mathworks.com>
15114 * cccp.c (argdata): Added free_ptr member.
15115 (macroexpand): Initialize free_ptr of each argument. When an
15116 argument's buffers are freed, if the argument's free_ptr corresponds
15117 to a buffer on the input stack, then return the free_ptr to that stack
15118 frame, otherwise, free it.
15119 (macarg): If an argument begins and ends on the same input stack level,
15120 then transfer the free_ptr of that buffer to the argument in case
15121 the stack is popped during the processing of a subsequent argument.
15123 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
15125 * loop.c (note_reg_stored): New function.
15126 (struct note_reg_stored_arg): New structure.
15127 (try_copy_prop): Change to be more conservative; only replace within
15128 one extended basic block and stop replacing if a store to the
15129 replacement reg is seen.
15131 1999-12-02 Nick Clifton <nickc@cygnus.com>
15133 * config/fp-bit.c: Initialise all fields of the NAN
15136 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
15139 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15141 * i386.md (extend?f?f2): Force the input into a register, not
15144 1999-12-01 Jakub Jelinek <jakub@redhat.com>
15146 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
15148 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
15149 alternative because setting up 64bit constant is usually costly,
15150 especially when reload is in progress or completed.
15151 (movdf_const_intreg_sp64): Likewise.
15152 (movdf_const_intreg split): Fix building up constants when
15153 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
15155 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
15157 * combine.c (if_then_else_cond): Use const_true_rtx instead of
15158 const1_rtx for return values in EQ/NE comparison against (const_int 0)
15161 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
15162 (asm_file_start): Emit .am33 into assembly file when compiling for
15164 (print_operand_address): Handle POST_INC addresses.
15165 (can_use_return_insn, initial_offset): Check AM33 registers too.
15166 (expand_prologue): Check & save AM33 registers too.
15167 (expand_epilogue): Similarly.
15168 (secondary_reload_class): Handle AM33 specific secondary reloads.
15169 (output_tst): Emit efficient code for the AM33 too.
15170 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
15171 (TARGET_SWITCHES): Add -mam33 switch.
15172 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
15173 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
15174 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
15175 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
15176 (enum reg_class, REG_CLASS_NAMES): Likewise.
15177 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
15178 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
15179 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
15180 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
15181 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
15182 (HAVE_POST_INCREMENT): Define.
15183 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
15184 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
15185 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
15186 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
15187 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
15188 (zero_extend to SI from QI/HI): Likewise.
15189 (sign_extend to SI from QI/HI): Likewise.
15190 (mulsidi3, umulsidi3): New patterns for the AM33.
15191 (tstsi with zero extension from QI/HI): Add AM33 variants.
15192 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
15193 (return_internal_regs, store_movm): Handle new AM33 registers.
15194 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
15195 (LIBGCC, INSTALL_LIBGCC): Likewise.
15196 * invoke.texi: Document new flags.
15198 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15200 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
15201 (addsi3_carry): Likewise.
15202 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
15203 (sbbsi3_carry): Likewise.
15204 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
15205 (mulhi3): Likewise.
15206 (test?i_1): Ensure that only one operand is memory.
15207 (conditional move patterns): likewise.
15208 (shift and rotate patterns): Rewrite to expander, add
15209 "binary_operator_ok" to the condition.
15211 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
15212 * i386.h (procesor_costs): Add movzbl_load field.
15213 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
15214 non-Q registers, accept DImode registers anywhere.
15216 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
15217 * i386.c (*_cost): Set value for movxbl_load field.
15219 * (addsi): New add to lea splitter.
15220 (ashlsi): Likewise.
15221 (lea to add/shift peep2): New.
15223 1999-12-01 Mark Salter <msalter@cygnus.com>
15225 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
15226 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
15227 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
15229 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15231 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
15232 * i386.md (movsi_xor): New.
15234 (movsi_1, movhi_1, movqi_1): Remove.
15235 (movsi_2): Rename to movsi_1.
15236 (movhi_2): Rename to movhi_1.
15237 (movqi_2): Rename to movqi_1.
15238 (movdi_1): Remove; remove splitter.
15239 (movdi_2): Rename to movdi_1.
15240 (divmodsi4 splitter): Do not emit clobbers for move patterns.
15241 (long move peep2): Do not create QI or HI mode mov0s
15242 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
15244 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
15247 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
15248 (abs?f2_if): Likewise.
15250 1999-11-30 Alex Samuel <samuel@codesourcery.com>
15252 * ggc.h (ggc_test_and_set_mark): New macro.
15253 (ggc_mark_rtx): Use ggc_test_and_set_mark.
15254 (ggc_mark_tree): Likewise.
15255 (ggc_mark_rtvec): Likewise.
15256 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
15258 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
15260 * dwarf2out.c (scope_die_for): Only handle types. Only search for
15262 (decl_scope_table): Just an array of trees now.
15263 (push_decl_scope): Simplify.
15264 (dwarf2out_init): Adjust.
15265 (local_scope_p): New fn.
15266 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
15267 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
15268 (gen_typedef_die): Likewise.
15269 (gen_lexical_block_die): Don't call push/pop_decl_scope.
15270 (gen_inlined_subroutine_die): Likewise.
15271 (gen_abstract_function): Set current_function_decl temporarily.
15272 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
15273 Handle block extern declarations. Don't call push/pop_decl_scope.
15274 (gen_decl_die): Fix logic for block externs.
15276 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15278 * calls.c (special_function_p): Remove `realloc' and add `strdup'
15279 to the list of functions which have attribute malloc by default.
15281 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15283 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
15284 integer constant does not match the traditional type, limit the
15285 warnings to cases where the base of the type is ten.
15287 * invoke.texi (-Wtraditional): Document it.
15289 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15291 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
15292 * rs6000.md: Only access a CONST_INT with INTVAL
15294 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
15296 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
15297 (compute_nearerout): Likewise.
15298 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
15299 size_t to unsigned long for formatting.
15301 1999-11-30 Jakub Jelinek <jakub@redhat.com>
15303 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
15304 Allow the user to override call-used/fixed state of %g2-5
15305 registers from the command line (with the exception of %g4 for
15307 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
15308 there is a higher chance of having a leaf function.
15309 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
15310 for ARCH64 which has %ccr register.
15311 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
15313 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
15314 insn accept into delay slot any insn which does not use %[ol]
15315 registers. Accept some LO_SUM and shift left by 1 for the normal
15317 (output_function_epilogue): Likewise.
15318 (epilogue_renumber): Added argument which inhibits any renumbering
15319 and just tests if the rtx does not use any %[ol] registers.
15320 (output_return): Reflect above change.
15322 1999-11-30 Jakub Jelinek <jakub@redhat.com>
15324 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
15325 aggregate passing for sizes <= 16 bytes.
15327 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
15329 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
15330 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
15331 * reload.c (find_dummy_reload): Likewise.
15332 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
15333 * reload1.c (reload_as_needed): Likewise.
15334 * stupid.c (stupid_find_reg): Likewise.
15335 * tm.texi (Obsolete Register Macros): Delete section.
15336 * gmicro.h: Remove all traces of the two macros.
15337 * i386.h: Likewise.
15338 * m88k.h: Likewise.
15339 * mips.h: Likewise.
15341 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
15343 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
15344 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
15345 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
15346 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
15347 units for the sparclite86x chip.
15348 (flush): Revert October 14th change; add SImode specifically.
15349 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
15350 * invoke.texi: Document it.
15352 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
15354 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
15355 psimode_truncation_operand.
15357 * config/mn10200/mn10200.c (psimode_truncation_operand): New
15358 function. Return true if the operand is either a MEM valid
15359 for a PSImode address or not a MEM at all.
15361 * config/mn10200/mn10200.md (truncsipsi2): Use
15362 psimode_truncation_operand.
15364 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15366 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
15367 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
15368 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
15369 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
15370 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
15371 (flow_loop_level_compute, low_loops_level_compute): Likewise.
15372 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
15373 * basic-block.h: Protect from multiple inclusion.
15374 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
15375 (struct loops, struct loop): Define structures.
15376 * sbitmap.c (sbitmap_a_subset_b_p): New function.
15377 * sbitmap.h: Protect from multiple inclusion.
15378 (sbitmap_a_subset_b_p): Add prototype.
15379 * Makefile.in (LOOP_H): New macro.
15380 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
15382 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
15384 * cppinit.c (CAT): The argument list of this macro may not contain
15387 1999-11-29 David S. Miller <davem@redhat.com>
15389 Move quantity tables and register equivalence chains into
15390 per-qty and per-register structure arrays respectively.
15391 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
15392 qty_const_insn, qty_comparison_code, qty_comparison_const,
15393 qty_comparison_qty): Delete, replace with...
15394 (qty_table): this structure table.
15395 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
15396 (reg_eqv_table): this structure table.
15397 (make_new_qty): Add argument MODE. Caller updated.
15398 Update to use qty_table and reg_eqv_table.
15399 (make_regs_eqv, delete_reg_equiv, insert_regs,
15400 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
15401 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
15402 cse_process_notes, cse_main, cse_basic_block): Likewise.
15404 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15406 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
15407 operation if C is negative.
15408 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
15409 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
15410 law for some divisions if constant is negative and change other
15411 divisions to the opposite rounding.
15413 * expr.c (store_constructor_field): If bit position is not multiple
15414 of alignment of TARGET's mode, use BLKmode.
15416 * expr.c (expand_expr_unaligned): Add more code from full case
15417 that is needed when OP0 is in a register.
15419 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15421 * dwarfout.c (field_byte_offset): Size can be zero if there was
15424 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
15426 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
15427 (associate_trees): Delete unused var TEM.
15428 (extract_muldiv): Delete unused var CANCEL_P.
15430 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
15431 (target_isinf, target_isnan, target_negative): Add return types to
15432 function definitions.
15434 1999-11-29 Bruce Korb <autogen@linuxbox.com>
15436 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
15437 * fixinc/hackshell.tpl: ditto
15438 * fixinc/fixtests.c(double_slash_test): more C++ header testing
15439 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
15441 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
15443 * reload.c (push_reload): When looking for a register to put into
15444 reg_rtx, make sure all hard regs in a multi-reg register are in the
15445 right class and nonfixed.
15447 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
15448 pending_read_insns, pending_write_insns, pending_read_mems,
15449 pending_write_mems, pending_list_length, last_pending_memory_flush,
15450 last_function_call, sched_before_next_call): Move static variables
15452 (bb_ prefixed versions): Replace with single array bb_deps.
15453 (struct deps): New structure.
15454 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
15455 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
15456 argument of type "struct deps *"; use that instead of global
15457 variables. All callers changed.
15458 (init_rgn_data_dependencies): Delete function.
15459 (init_rtx_vector): Delete function.
15460 (init_deps): New function.
15462 (free_pending_lists): Simplify, we always use the bb_deps array even
15463 if only one basic block.
15464 (compute_block_backward_dependences): Likewise.
15465 (schedule_region): Likewise.
15467 (propagate_deps): New function, broken out of
15468 compute_block_backward_dependences.
15469 (compute_block_backward_dependences): Use it.
15471 * alpha.md: Delete useless patterns that tried to work around
15472 register elimination problems.
15474 * unroll.c (loop_iterations): Don't abort if iteration variable
15477 From Joern Rennecke:
15478 * reload1.c (reloads_conflict): Reverse test comparing operand
15479 numbers when testing for conflict between output/outaddr reloads.
15481 1999-11-29 David S. Miller <davem@redhat.com>
15483 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
15485 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
15487 1999-11-28 Robert Lipe <robertl@cygnus.com>
15489 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
15490 table from .fini into .dtor.
15492 1999-11-28 Anthony Green <green@cygnus.com>
15494 * tree.h (struct tree_decl): Add malloc_flag.
15495 (DECL_IS_MALLOC): Define.
15496 * c-common.c (attrs): Add A_MALLOC attribute.
15497 (init_attributes): Add this attribute to the table.
15498 (decl_attributes): Handle malloc attribute.
15499 * calls.c (special_function_p): Check for the malloc attribute.
15500 * extend.texi (Function Attributes): Document malloc attribute.
15502 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
15504 * pa.md (reload shift-add patterns): Remove.
15506 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15508 * reorg.c (dbr_schedule) Print more statistics. Corrected
15509 problem when printing info when 3 delay slots are filled.
15511 1999-11-28 Jakub Jelinek <jakub@redhat.com>
15513 * combine.c (setup_incoming_promotions): Pass an outgoing
15514 regno to FUNCTION_ARG_REGNO_P which it expects.
15516 1999-11-28 Andreas Jaeger <aj@suse.de>
15518 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
15520 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
15522 * cccp.c (do_include): Avoid initialization of automatic variable.
15524 * integrate.c (mark_stores): Function definition made void, to match
15525 previous declaration.
15526 * regclass.c (dump_regclass): Ditto.
15527 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
15529 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15531 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
15532 known to be multiple of divisor.
15534 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
15536 * combine.c (try_combine): Add code to try to merge a set of a
15537 two-word pseudo to a constant with a setting of one of those words
15540 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
15541 (split_tree): Completely rework to make more general.
15542 (make_range, fold): Call negate_expr.
15543 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
15544 (fold, associate): Call new split_tree and associate_trees.
15545 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
15547 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
15549 * loop.c (try_copy_prop): Avoid GNU C extension.
15551 1999-11-25 Mark Mitchell <mark@codesourcery.com>
15553 * except.c (init_eh_for_function): Still zero eh_return_context,
15554 eh_return_stack_adjust, and eh_return_handler.
15556 * except.h (eh_status): Adjust documentation for x_protect_list.
15557 (begin_protect_partials): New function.
15558 * except.c (enqueue_eh_entry): Fix formatting.
15559 (get_first_handler): Add consistency check.
15560 (add_partial_entry): Adjust usage of protect_list.
15561 (emit_cleanup_handler): Save and restore ehqueue.
15562 (expand_start_all_catch): Add comment.
15563 (begin_protect_partials): New function.
15564 (end_protect_partials): Adjust usage of protect_list.
15565 (init_eh_for_function): Use xcalloc.
15567 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15569 * c-common.c (check_format_info): Don't call a variadic function
15570 with a non-literal format string.
15572 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
15574 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
15575 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
15578 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
15581 * collect2.c (collect_wait): Likewise.
15583 * dbxout.c (dbxout_type): Likewise.
15585 * gcc.c (do_spec_1): Likewise.
15587 * genemit.c (gen_insn, gen_expand): Likewise.
15589 * genrecog.c (write_switch, write_subroutine): Likewise.
15591 * mips-tfile.c (catch_signal, botch): Likewise.
15593 * print-rtl.c (print_rtx): Likewise.
15595 * toplev.c (default_print_error_function, report_error_function,
15596 _fatal_insn): Likewise.
15598 1999-11-25 Mark Mitchell <mark@codesourcery.com>
15600 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
15602 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15604 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
15605 operations when needed.
15606 * i386.md (fop_?f_comm): New.
15607 (fop_?f_1): Do not accept commutative operands.
15609 1999-11-25 Andreas Jaeger <aj@suse.de>
15611 * config/mips/mips.md (casesi_internal): Add missing brace.
15613 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
15615 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
15616 (splice_child_die): Handle moving a child DIE from the declaration
15617 DIE of a class to its specification.
15618 (gen_struct_or_union_type_die): Use 'complete' consistently.
15619 (gen_decl_die): Generate the virtual context DIE first.
15620 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
15622 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
15624 * config/mips/mips.md (call_value_multiple_interanal1): New.
15626 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
15628 * dwarf2out.c (free_AT, free_die): New fns.
15629 (remove_children): Call them.
15630 (output_line_info): Disable removal of duplicate notes.
15632 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
15633 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
15634 means pretend the type isn't defined.
15635 Don't defer emitting types.
15636 (gen_type_die_for_member): New fn.
15637 (gen_decl_die): Call it.
15638 (splice_child_die): New fn.
15639 (gen_member_die): Call it rather than generate duplicate dies.
15641 Defer emitting information for the abstract instance of an inline
15642 until we either inline it or emit an out-of-line copy.
15643 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
15644 from output_inline_function if DECL_ABSTRACT is also set.
15645 (block_ultimate_origin): Likewise.
15646 (gen_abstract_function): New fn.
15647 (gen_decl_die, gen_inlined_subroutine_die): Call it.
15648 (gen_subprogram_die): An abstract instance is not a declaration
15649 just because it doesn't match current_function_decl. Don't abort
15650 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
15651 has an abstract origin.
15652 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
15653 abstract instance here.
15655 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
15657 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
15658 where we need to reload fpul from a system register.
15660 1999-11-24 Andreas Jaeger <aj@suse.de>
15662 * config/mips/linux.h (CPP_PREDEFINES): Added.
15663 (LINK_SPEC): Remove -Y since this is only needed on sparc.
15665 1999-11-24 Andreas Jaeger <aj@suse.de>
15667 * config/mips/linux.h (TARGET_VERSION): Added.
15668 (HANDLE_SYSV_PRAGMA): Added.
15669 (DEFAULT_VTABLE_THUNKS): Added.
15671 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15673 * local-alloc.c (qty): New structure and static variable.
15674 (qty_phys_reg): Remove, all references changed to qty.
15675 (qty_n_refs): Likewise.
15676 (qty_min_class): Likewise.
15677 (qty_birth): Likewise.
15678 (qty_death): Likewise.
15679 (qty_size): Likewise.
15680 (qty_mode): Likewise.
15681 (qty_n_calls_crossed): Likewise.
15682 (qty_alternate_class): Likewise.
15683 (qty_changes_size): Likewise.
15684 (qty_first_reg): Likewise.
15685 (alloc_qty): Rename variable QTY to QTYNO.
15686 (finf_free_reg): Likewise.
15687 (local_alloc): Allocate qty, do not allocate the removed variables.
15689 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
15691 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
15692 when -membedded-pic is passed.
15694 * config/mips/mips.md (casesi): Handle 64-bit case too.
15695 (casesi_internal_di): New insn.
15697 * config/mips/mips.c (embedded_pic_offset): Always make the
15698 embedded-pic subtractions relative to the name of the current
15699 function by use of the magic string "..CURRENT_FUNCTION".
15700 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
15702 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
15704 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
15705 of (const_int 0), when what we really care about is
15706 whether it's a zero constant anyway.
15707 (div_trap_mips16): Likewise.
15709 1999-11-23 Mark Mitchell <mark@codesourcery.com>
15711 * loop.c (loop_optimize): Always find_loop_tree_blocks and
15712 unroll_block_trees when generating debuggable code.
15714 * tree.h (unsave_expr_1): New function.
15715 (lang_unsave): New variable.
15716 (get_callee_fndecl): New function.
15717 * tree.c (unsave_expr_now_r): New function.
15718 (lang_unsave): Define.
15719 (unsave_expr_1): Likewise.
15720 (unsave_expr_now_r): Split out from unsave_expr_now.
15721 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
15722 call unsave_expr_now_r.
15723 (get_callee_fndecl): Define.
15725 * Makefile.in (gencheck): Don't depend on lang_tree_files.
15726 (gencheck.o): Do depend on lang_tree_files.
15728 * integrate.h (copy_decl_for_inlining): New declaration.
15729 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
15730 (copy_decl_for_inlining): New function.
15731 (integrate_parm_decls): Use it.
15732 (integrate_decl_tree): Likewise.
15734 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
15736 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
15737 the second two from the first.
15738 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
15739 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
15740 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
15742 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
15743 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
15746 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
15748 * pa.md (call_internal_symref, call_value_internal_symref): No mode
15749 needed on the address operand.
15750 * pa.c (call_operand_address): Check for the correct mode.
15752 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
15754 * loop.c: Include "basic-block.h".
15755 (try_copy_prop, replace_loop_reg): New functions.
15756 (load_mems): Detect registers that just hold copies of the hoisted
15757 mem, and call try_copy_prop to eliminate them.
15758 * Makefile.in (loop.o): Update dependencies.
15760 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
15762 * Makefile.in (gencheck.o): Depend on gencheck.h.
15763 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
15764 (insn-peep.o): Depend on except.h and function.h.
15765 (insn-attrtab.o): Depend on RECOG_H.
15766 (insn-output.o): Depend on toplev.h and flags.h.
15767 (gengenrtl.o): Depend on real.h.
15768 (gen-protos.o): Depend on cpplib.h and cpphash.h.
15769 Unify all dependencies to be on RECOG_H rather than recog.h.
15771 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15773 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
15774 * configure.in: Try building a bi-arch 32/64-bit compiler on
15775 sparc-*-solaris2.7 and higher.
15776 * configure: Rebuild.
15778 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
15780 * config/freebsd.h: New, FreeBSD architecture independent file.
15781 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
15782 independent pieces.
15783 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
15784 directly by i386/freebsd.h.
15785 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
15786 independent configuration file.
15787 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
15788 directly by i386/freebsd.h.
15789 * configure: Rebuilt.
15791 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
15792 which is in the user's namespace.
15793 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
15794 `i386' which is not in our namespace.
15796 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
15798 * invoke.texi (ARM Options): Add in -mno-alignment-traps
15800 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
15802 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
15803 (add_dwarf_attr, add_child_die): Just push onto the front.
15804 (reverse_die_lists): New fn.
15805 (add_sibling_attributes): Use it.
15806 (push_decl_scope): Reorganize.
15807 (add_name_and_src_coords_attributes): Don't set file and line for
15808 an artificial decl.
15809 (gen_subprogram_die): An artificial function doesn't need to match
15811 (gen_compile_unit_die): Return the generated die. Only add
15812 AT_comp_dir if the filename is relative.
15813 (remove_AT): Simplify loop. Also free string values.
15814 (output_die): A DIE ref can't be null.
15815 (output_value_format, value_format): Take a dw_attr_ref.
15816 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
15817 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
15818 AT_addr, AT_lbl): New fns.
15819 (various): Use them.
15820 (various): Constify.
15822 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15824 * combine.c (combine_simplify_rtx): When handling a SUBREG,
15825 take SUBREG_WORD into account.
15826 (if_then_else_cond): Likewise.
15828 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
15830 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
15831 clause from BSD license, pursuant with
15833 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
15835 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
15837 * loop.c (load_mems): Reformat slightly.
15838 * basic-block.h (regset_head): New typedef.
15839 (INIT_REG_SET): New macro.
15841 1999-11-22 Bruce Korb <autogen@linuxbox.com
15843 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
15844 (mips-dec-bsd*): non-functional code
15845 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
15847 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
15848 added three replacement fixes
15849 (no_double_slash): removed comments that are not (any longer) pertinent
15850 (bad_lval): this fix currently runs against many files.
15851 The comment seems to indicate that we should select for files
15852 containing 'pragma extern_prefix'.
15854 * fixinc/fixinc.x86-linux-gnu: deleted
15855 * fixinc/inclhack.sh: regen
15856 * fixinc/fixincl.x: regen
15857 * fixinc/fixincl.sh: regen
15859 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
15861 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
15862 its code is INSN and it has no notes.
15864 1999-11-22 Andrew Haley <aph@cygnus.com>
15866 * varasm.c (function_defined): Remove.
15867 (make_function_rtl): Don't set function_defined.
15868 (make_decl_rtl): Remove global register warning.
15869 * regclass.c (no_global_reg_vars): New variable.
15870 (globalize_reg): Warn if function has already been defined.
15871 (regclass_init): Set no_global_reg_vars.
15873 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15875 * regclass.c (reg_pref): New structure and static variable
15876 (prefclass): Delete.
15877 (altclass): Delete.
15878 (all uses of prefclass and altclass): Use reg_pref instead.
15880 1999-11-21 Nick Clifton <nickc@cygnus.com>
15882 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
15884 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
15885 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
15886 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
15888 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
15890 * varasm.c (output_constructor): Solve problem with long long
15891 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
15893 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15895 * global.c (allocno): New structure and static variable.
15896 (allocno_reg): Remove, all references replaced by allocno.
15897 (allocno_size): Likewise.
15898 (hard_reg_conflicts): Likewise.
15899 (hard_reg_preferences): Likewise.
15900 (hard_reg_copy_preferences): Likewise.
15901 (hard_reg_full_preferences): Likewise.
15902 (regs_someone_prefers): Likewise.
15903 (allocno_calls_crossed): Likewise.
15904 (allocno_n_refs): Likewise.
15905 (allocno_live_length): Likewise.
15906 (find_reg): Rename ALLOCNO to NUM.
15908 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
15909 references updated.
15910 (may_move_out_cost): New variable.
15911 (init_reg_sets_1): Initialize may_move_out_cost.
15912 (record_reg_classes): Use may_move_out_cost.
15914 * regclass.c (dump_regclass): New function.
15915 (regclass): New parameter DUMP, call DUMP_REGCLASS.
15916 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
15917 pass rtl_dump_file to regclass.
15918 * rtl.h (regclass): Update prototype.
15920 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15922 * i386.md (neg, not and abs patterns): Revmap to use
15923 ix86_expand_unary_operator and ix86_unary_operator_ok.
15924 (add?f and sub?f expanders): Force operand 1 to register.
15925 * i386.c (ix86_expand_unary_operator): Rewrite.
15926 (ix86_unary_operator_ok): Ensure that memory operands
15928 (ix86_binary_operator_ok): Do not allow operand 1 to
15929 come into memory and operand 0 not.
15930 (ix86_expand_binary_operator): Ensure that
15931 src1 is not non-matching memory.
15933 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
15934 to support integer registers and memory.
15935 (abss?2_integer): Likewise.
15937 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
15938 (REG_CLASS_NAMES): Likewise.
15939 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
15941 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
15942 (movsf): Likewise; unify 4th and 5th alternative.
15943 (pushdf): Likewise.
15944 (movdf_1): Likewise; rename to movdf_integer.
15945 (pushxf): Likewise; rename to pushxf_integer; fix output template;
15946 remove redundant splitter.
15947 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
15948 (movdf_nointeger): New.
15949 (movxf_nointeger): New.
15950 (pushxf_nointeger): New.
15952 * i386.md (extend?f?f): Split to expander and pattern, refuse two
15953 memory operands in patterns.
15954 (fop*): Refuse two memory operands.
15956 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
15957 on !TARGET_USE_CLTD CPUs.
15959 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
15961 * extend.texi: Document C++ restricted pointers and references.
15963 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
15965 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
15966 (invalidate_skipped_set): Call it unconditionally.
15967 (cse_set_around_loop): Likewise.
15969 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15971 * rtl.texi (mem): Add documentation for alias-set argument
15974 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15976 * i386.h (struct_processor_costs): New fields int_load, int_store,
15977 fp_move, fp_load and fp_store
15978 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
15980 (MEMORY_MOVE_COST): New macro.
15981 * i386.c (386_cost): Define new fields.
15982 (i486_cost): Likewise.
15983 (pentium_cost): Likewise.
15984 (pentiumpro_cost): Likewise.
15985 (k6_cost): Likewise.
15987 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
15988 Geoffrey Keating <geoffk@cygnus.com>
15990 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
15992 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
15995 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
15996 (TARGET_STRICT_ALIGNMENT): New macro.
15997 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
15998 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
15999 * invoke.texi (M680x0 Options): Document -mstrict-align.
16001 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
16002 Richard Henderson <rth@cygnus.com>
16004 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
16005 (ix86_split_long_move): Declare.
16006 * i386.c (split_xf, ix86_split_movdi): Remove.
16007 (ix86_split_to_parts, ix86_split_long_move): New.
16008 * i386.md (dimode move splitters): Use ix86_split_long_move.
16009 (dfmode move splitters): Likewise.
16010 (xfmode move splitters): Likewise.
16011 (movsf_1): Allow F->r.
16012 (movdf_1, movxf_1): Allow F->ro.
16014 1999-11-17 Mark Mitchell <mark@codesourcery.com>
16016 * except.h (struct eh_entry): Add goto_entry_p.
16017 (eh_region_from_symbol): Remove prototype.
16018 * except.c (find_func_region_from_symbol): New function.
16019 (emit_cleanup_handler): Likewise.
16020 (eh_region_from_symbol): Make it static.
16021 (add_new_handler): Verify the argument.
16022 (find_func_region): Update comment.
16023 (expand_eh_region_end): Expand handlers here, rater than waiting
16024 until expand_leftover_cleanups or start_all_catch.
16025 (expand_leftover_cleanups): Don't expand here.
16026 (expand_start_all_catch): Or here.
16027 (expand_rethrow): Check the return value from find_func_region.
16028 * function.c (expand_function_end): Emit the catch_clauses.
16030 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
16032 * integrate.c (expand_inline_function): Add necessary check for NULL.
16034 1999-11-18 Nick Clifton <nickc@cygnus.com>
16036 * toplev.c (main): Correctly detect an unrecognised option.
16038 * cppinit.c (cpp_handle_option): Do not claim to have consumed
16039 a -f option if it has not been recognised.
16041 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
16043 * basic-block.h (update_life_extent): Remove trailing comma on
16044 enumeration type list.
16046 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16048 * varasm.c (output_constructor) Solved problem with long long
16049 bitfields. Corrected calculating this_time and shift. Also
16050 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
16052 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
16054 * flow.c (split_edge): Take looping structure into account when
16055 determining where to put the new block note.
16057 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
16059 * Makefile.in (ggc-none.o): Provide host specific version if
16062 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
16064 * cse.c (delete_trivially_dead_insns): Identify no-op insns
16065 containing subregs too.
16067 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16069 * invoke.texi: Add documentation for -muninit-const-in-rodata.
16070 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
16071 (TARGET_UNINIT_CONST_IN_RODATA): Define.
16072 (text_section): Add switches -munint-const-in-rodata and
16073 -mno-uninit-const-in-rodata.
16074 (ASM_OUTPUT_COMMON): Remove.
16075 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
16076 const objects should be placed in read-only data. Otherwise declare
16079 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
16081 * jump.c (jump_optimize_1): Revert last change.
16083 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
16085 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
16086 test if optimizing for size.
16088 1999-11-17 Mark Mitchell <mark@codesourcery.com>
16090 * Makefile.in (toplev.o): Depend on except.h.
16091 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
16093 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16095 * i386.md (divmodsi4): Rewrite to expander.
16096 (*divmodsi4_nocltd): New.
16097 (*divmodsi4_cltd): New.
16098 (divmodsi4 splitter): Handle the case when input comes in edx.
16099 (udivmodhi4): Do not use constraints in exander.
16100 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
16102 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
16104 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
16105 for the common case.
16107 1999-11-16 Jakub Jelinek <jakub@redhat.com>
16109 * explow.c (hard_function_value): Add outgoing argument.
16110 * expr.h (hard_function_value): Declare it.
16111 * calls.c (expand_call, emit_library_call_value): Update callers.
16112 * function.c (aggregate_value_p): Ditto.
16113 (diddle_return_value): Must look at the outgoing registers
16114 on archs with register windows.
16116 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
16118 * alpha.c (alpha_build_va_list): Use make_lang_type and
16119 initialize TYPE_NAME for the va_list record.
16121 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
16123 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
16125 * ggc.h (struct ggc_statistics): Rearrange elements for better
16126 packing on 64-bit hosts.
16127 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
16128 (compute_nearerout): Likewise.
16130 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
16132 * config/rs6000/rs6000.c (first_reg_to_save): Save
16133 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
16135 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
16137 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
16138 notion of nesting to find the DIE for a type or function.
16139 DIEs can go in limbo even if we got a context_die.
16140 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
16141 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
16143 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
16144 (gen_type_die): Writing out the context doesn't cause member class
16145 template instantiations to be written out as well.
16147 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
16149 * rs6000.h (ASM_OUTPUT_DEF): New.
16150 Based on proposed addition from David Edelsohn.
16152 1999-11-15 Robert Lipe <RobertLipe@usa.net>
16153 Bruce Korb <autogen@linuxbox.com>
16155 * fixinc/inclhack.def
16156 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
16157 (unixware7_byteorder_fix): added. Removes conflicts for new defs
16159 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
16160 (svr4_endian): enabled with SVR5
16161 (svr4_mkdev): simplified syntax and enabled with SVR5
16163 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
16165 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
16166 * configure: Rebuilt.
16167 * config/t-freebsd-thread: New file.
16169 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
16171 * i386.c (ix86_decompose_address): Verify the base is a REG
16172 before trying to examine its register number.
16174 * basic-block.h: Remove all #defines and prototypes related to
16176 (free_bb_mem, compute_preds_succs): Remove prototype.
16177 * rtl.h (free_bb_mem): Remove prototype.
16178 * flow.c (alloc_int_list_node); Remove function.
16179 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
16180 (compute_preds_succs, free_bb_mem): Likewise.
16181 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
16182 * toplev.c (rest_of_compilation): Likewise.
16183 * haifa-sched.c (build_control_flow): Use flow generated edge
16184 list to build the haifa specific edge list.
16185 (find_rgns): Use new CFG data structures instead of pred/succ lists.
16186 (schedule_insns): Do not build pred/succ lists anymore. Instead
16187 build the edge table.
16189 * basic-block.h (dump_bb_data): Remove declaration.
16190 * flow.c (dump_bb_data): Remove function.
16191 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
16192 (sbitmap_union_of_predsucc): Likewise.
16194 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
16195 argument. All callers changed.
16196 (delete_null_pointer_checks_1): No longer need to compute the
16199 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
16200 All callers changed.
16201 (pre_expr_reaches_here_p_work): Likewise.
16202 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
16203 * lcm.c (compute_laterin): Fix initialization of LATER.
16204 (compute_nearerout): Similarly for NEARER.
16206 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16208 * cse.c (set_nonvarying_address_components): Delete unused function.
16209 (refers_to_p): Likewise.
16211 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
16213 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
16216 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16218 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
16219 definition in do while (0).
16221 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
16223 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
16225 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
16227 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
16229 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16231 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
16232 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
16233 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
16234 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
16236 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
16237 saved on the stack. Output more accurate stack frame statistics
16238 into assembler file.
16240 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
16242 * genextract.c (record_insn_name): New function.
16243 (get_insn_name): No longer a stub.
16244 (main): Call record_insn_name for each insn. After each label
16245 written, print the insn name in a comment.
16247 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16249 * output.h (const_section, init_section, fini_section): Add
16252 * alpha/elf.h (const_section): Delete declaration.
16254 * svr4.h (const_section): Likewise.
16256 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
16258 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
16259 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
16260 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
16262 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
16263 variable-sized array bounds.
16265 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
16267 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
16270 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16272 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
16273 addresses the same way GO_IF_LEGITIMATE_INDEX does.
16275 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16277 * cse.c (hash_arg_in_struct): Delete.
16278 (struct table_elt): Delete elt in_struct.
16279 (struct set): Delete elt src_in_struct.
16280 (merge_equiv_classes): Don't set either hash_arg_in_struct or
16281 the corresponding in_struct elts.
16282 (canon_hash): Likewise.
16283 (safe_hash): Likewise.
16284 (find_best_addr): Likewise.
16285 (record_jump_cond): Likewise.
16286 (cse_insn): Likewise.
16288 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
16290 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
16292 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
16295 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
16297 * function.c (diddle_return_value): Put back check that the DECL_RTL
16298 for the function is a register.
16300 * function.c (diddle_return_value): Use hard_function_value to
16301 get an rtx suitable for use in the USE/CLOBBER insn.
16303 * global.c (global_conflicts): Update comments.
16304 (record_conflicts): No need to record conflicts between pseudos here.
16306 1999-11-11 Bruce Korb <autogen@linuxbox.com>
16308 * fixinc/fixincl.c: Added verbose levels for status messages
16310 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16312 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
16313 operand as argument to expand_and or expand_binop.
16315 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
16317 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
16318 gcc_add_string_root.
16320 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
16322 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
16324 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
16326 * flow.c (compute_flow_dominators): Initially put all blocks on
16328 * lcm.c (compute_antinout_edge, compute_available): Similarly.
16329 * gcse.c (compute_cprop_avinout): Remove.
16330 (compute_cprop_data): Use compute_available.
16331 (delete_null_pointer_checks_1): Use compute_available.
16333 * basic-block.h (compute_available): Returns a void now.
16334 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
16335 to return a value anymore.
16336 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
16337 worklists. Fix boundary cases. Compute maximal solutions.
16338 (compute_laterin, compute_nearerout): Similarly.
16340 * dwarf2out.c (add_AT_location_description): Allow
16341 (mem (plus (pseudo) (...)) too.
16343 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
16345 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
16347 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
16348 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16350 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
16352 * gansidecl.h: Likewise.
16358 * toplev.h: Likewise.
16360 * tree.c: Likewise.
16362 * tree.h: Likewise.
16364 * varray.c: Likewise.
16366 * varray.h: Likewise.
16368 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
16370 * gcov.c (struct arcdata): Add hits and total, remove prob.
16371 (output_branch_counts): New.
16372 (process_args): Set output_branch_counts if -c.
16373 (calculate_branch_probs): Store hits and total instead of
16375 (output_data): Emit counts if output_branch_counts is true.
16376 * gcov.texi (Invoking Gcov): Document -c switch..
16378 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
16380 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
16381 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
16383 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
16385 * invoke.texi (C Dialect Options): Add missing builtins from
16386 c-common.c to list.
16387 * extend.texi (Other Builtins): Copy to this list.
16389 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16391 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
16392 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
16393 redundant bitmap.h.
16395 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
16397 * flow.c (compute_flow_dominators): No longer treat basic block 0
16398 or (n_basic_blocks - 1) specially. Clear the AUX field before
16399 starting computation of doms/pdoms. Fix initial state for pdoms.
16401 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16403 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
16404 match rtl.o's: added ggc.h and toplev.h
16405 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
16406 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
16407 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
16409 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
16411 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
16412 from HAVE_DOS_BASED_FILESYSTEM.
16413 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
16414 HAVE_DOS_BASED_FILESYSTEM.
16416 (split_directories): Only special-case DOS file names if
16417 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
16418 instead of explicit tests. Conditionalize on !VMS.
16419 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
16420 tests. Conditionalize on !VMS.
16421 (process_command): Only use make_relative_prefix if !VMS.
16422 (free_split_directories): Conditionalize on !VMS.
16423 (DIR_UP): Conditionalize on !VMS.
16425 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
16427 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
16429 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
16431 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
16434 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
16436 * invoke.texi (Environment Variables): Document relative path
16438 * gcc.c (DIR_UP): If not defined, define as "..".
16439 (standard_bindir_prefix): New static, holds target location to
16441 (split_directories): New function to split a filename into
16442 component directories.
16443 (free_split_directories): New function, release memory allocated
16444 by split_directories.
16445 (make_relative_prefix): New function, make a relative pathname if
16446 the compiler is not in the expected location.
16447 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
16448 can figure out an appropriate prefix from argv[0].
16449 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
16450 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
16451 STANDARD_BINDIR_PREFIX.
16453 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16455 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
16457 * config/c4x/c4x.h: Moved prototypes to c4x.h.
16458 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
16459 c4x_secondary_memory_needed) Delete.
16460 (fp_zero_operand): Add mode argument.
16462 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
16464 * reload1.c (reload_reg_free_for_value_p): Don't use a register
16465 that is in reload_reg_used.
16467 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
16469 * config/arm/arm-protos.h: New file: Prototypes for functions
16470 defined in arm.c and pe.c.
16471 * config/arm/arm.h: Fix compile time warnings.
16472 * config/arm/arm.c: Fix compile time warnings.
16473 * config/arm/pe.h: Fix compile time warnings.
16474 * config/arm/aout.h: Fix compile time warnings.
16476 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
16478 * config/m32r/m32r-protos.h: New file: Prototypes for functions
16481 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
16482 Add support for subtargets.
16483 Add prototypes for new predicates.
16484 Add scheduling macros.
16486 * config/m32r/m32r.c: Fix compile time warnings.
16487 (int8_operand): New predicate function.
16488 (reg_or_cmp_int16_operand): New predicate function.
16489 (extend_operand): New predicate function.
16490 (m32r_adjust_code): New scheduling function.
16491 (m32r_adjust_priorty): New scheduling function.
16492 (m32r_sched_init): New scheduling function.
16493 (m32r_sched_reorder): New scheduling function.
16494 (m32r_sched_variable_issue): New scheduling function.
16495 (direct_return): New codegen function.
16496 (m32r_not_same_reg): New rtl testsing function.
16498 * config/m32r/m32r.md: Fix compile time warnings.
16499 Add support for pre decrement and post increment memory
16501 Add S<cc> patterns.
16504 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16506 * global.c (EXECUTE_IF_CONFLICT): Don't define.
16507 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
16508 (find_reg): Likewise.
16510 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
16512 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
16513 to avoid assembler errors.
16515 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
16517 * config/v850/v850-protos.h: New file: Prototypes for functions
16519 * config/v850/v850.h: Move prototypes to v850-protos.h
16520 * config/v850/v850.c: Move prototypes to v850-protos.h
16521 * config/v850/v850.md: Fix compile time warnings.
16523 * config/fr30/fr30-protos.h: New file: Prototypes for functions
16525 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
16526 * config/fr30/fr30.c: Fix compile time warnings.
16527 * config/fr30/fr30.md: Fix compile time warnings.
16529 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
16531 * tree.h (get_containing_scope): Declare it.
16532 * tree.c (get_containing_scope): New fucntion.
16533 (decl_function_context): Use it.
16534 * toplev.c (rest_of_compilation): Use get_containing_scope.
16536 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16538 * Makefile.in (rtl.o): Depend on toplev.h.
16540 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
16542 * cse.c (delete_trivially_dead_insns): Replace alloca with
16544 * except.c (update_rethrow_references): Likewise.
16545 (init_eh_nesting_info): Likewise.
16546 * function.c (identify_blocks): Likewise.
16547 * gcse.c (dump_hash_table): Likewise.
16548 * graph.c (print_rtl_graph_with_bb): Likewise.
16549 * loop.c (combine_movables): Likewise.
16550 (move_movables): Likewise.
16551 (count_loop_regs_set): Likewise.
16552 (strength_reduce): Likewise.
16553 * profile.c (compute_branch_probabilities): New function, split
16555 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
16556 * regclass.c (regclass): Likewise.
16557 * regmove.c (regmove_optimize): Likewise.
16558 * toplev.c (compile_file): Likewise.
16559 (main): Don't mess with the stack rlimit.
16561 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
16563 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
16564 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
16566 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
16568 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
16570 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
16572 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
16573 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
16576 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
16578 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
16580 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
16582 * gcse.c (post_dominators): Kill.
16583 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
16584 (compute_code_hoist_data): Use compute_flow_dominators. Do not
16585 pass in a pdom array since we do not need pdoms.
16586 * haifa-sched.c (schedule_insns): Similarly.
16587 * flow.c (compute_dominators): Remove dead function.
16588 (compute_flow_dominators): Do not compute doms or pdoms if the
16589 caller does not request them. Split up loop to build doms and
16590 pdoms. Use a worklist to compute doms and pdoms.
16591 * basic-block.h (compute_dominators): Remove prototype.
16593 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
16595 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
16596 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
16597 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
16598 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
16599 (cant_move, fed_by_spec_load, is_load_insn): Remove.
16600 (schedule_region): Remove unused variable.
16601 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
16603 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
16605 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
16606 (update_equiv_regs): Likewise.
16607 (block_alloc): Likewise.
16608 * reg-stack.c (reg_to_stack): Likewise.
16609 (convert_regs_2): Likewise.
16610 * reload1.c (reload_as_needed): Likewise.
16612 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
16614 * Makefile.in (dbxout.o): Depend on ggc.h.
16615 (dwarf2out.o): Likewise.
16616 (xcoffout.o): Likewise.
16617 * dbxout.c: Include ggc.h.
16618 (dbxout_init): Register lastfile as a root.
16619 * dwarf2out.c: Include ggc.h.
16620 (dwarf2out_line): Register lastfile as a root.
16621 * xcoffout.c: Include ggc.h.
16622 (xcoffout_source_line): Register xcoff_lastfile as a root.
16624 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
16626 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
16628 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
16630 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
16632 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
16634 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16636 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
16637 (EXECUTE_IF_CONFLICT): Likewise.
16638 (ALLOCNO_LIVE_P): Avoid signed division.
16639 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
16640 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
16641 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
16643 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
16645 * haifa-sched.c (schedule_block): Don't crash if there's no
16646 next insn for an interblock movement.
16647 (add_branch_dependences): Don't allow clobber insns to move either.
16649 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
16651 * i386.c (split_xf): New.
16652 * i386-protos.h: Declare it.
16653 * i386.md (movxf_1): Add general regs alternatives.
16654 (movxf_1+1): New splitter for same.
16656 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
16658 * function.c (purge_addressof_1): Add missing return values.
16660 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
16662 * function.c (is_addressof): New function. Returns true if
16663 the given piece of RTL is an ADDRESSOF.
16664 (purge_addressof_1): Make boolean. Return false if the
16665 ADDRESSOFs could not be purged.
16666 (purge_addressof): If ADDRESSOFs could not be purged from the
16667 notes attached to an insn, remove the offending note(s),
16668 unless they are attached to a libcall.
16670 1999-11-05 Andreas Jaeger <aj@suse.de>
16672 * genoutput.c (null_operand =): Initialize all fields.
16674 * errors.h: Add extern to prototypes.
16676 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
16678 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
16679 * configure: Rebuilt.
16681 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16683 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
16684 (mirror_conflicts): New function.
16685 (global_alloc): Call it.
16686 (expand_preferences): Remove redundant CONFLICTP test.
16687 (find_reg, dump_conflicts): Likewise.
16688 (prune_preferences): Process conflicts one word at a time.
16690 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
16692 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
16693 instead of an explicit loop.
16695 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
16697 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
16698 if REG_RETVAL check succeeds, then put classp in src_elt.
16700 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
16702 * function.c (pad_to_arg_alignment): Only update argument_pad
16703 if the argument's alignment is greater than STACK_BOUNDARY.
16705 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
16707 * bitmap.h (BITMAP_XFREE): New.
16708 * flow.c (life_analysis): Use it.
16709 (life_analysis_1): Free blocks.
16711 * combine.c (undo_commit): New.
16712 (try_combine): Use it. Don't zap undobuf.undos.
16713 (combine_instructions): Don't zap undobuf.undos; free the
16714 undobuf.frees list.
16716 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
16718 * stmt.c (cost_table_): New.
16719 (estimate_case_costs): Use it instead of xmalloc.
16721 * toplev.c (compile_file): Reuse dumpname memory instead
16724 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
16726 * reg-stack.c (convert_regs_1): Initialize target_stack->top
16727 after verifying an EH edge.
16729 * haifa-sched.c (init_rgn_data_dependences): Correctly
16730 size bb_pending_lists_length when zeroing.
16732 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
16734 * function.c (diddle_return_value): New.
16735 (expand_function_end): Use it.
16736 * stmt.c (expand_null_return): Likewise.
16737 (expand_value_return): Likewise.
16739 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
16741 * reload1.c (reload): Don't remove return value clobbers.
16743 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
16745 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
16747 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
16749 * cse.c (cse_main): Use xmalloc, not alloca.
16750 (cse_basic_block): Likewise.
16751 * local-alloc.c (local_alloc): Likewise.
16753 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
16754 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16756 * rtl.c: Include toplev.h.
16757 (fatal): Remove declaration.
16759 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
16761 * haifa-sched.c (schedule_block): Fix thinko.
16763 1999-11-03 James McKelvey <mckelvey@fafnir.com>
16765 * fixinc/fixincl.c(create_file): Allow for systems that do not have
16766 S_IR* defined values
16768 1999-11-03 Philippe De Muyter <phdm@macqel.be>
16770 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
16771 call `malloc' instead.
16773 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
16775 * flags.h (flag_renumber_insns): Declare.
16776 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
16778 * rtl.h (renumber_insns): Change prototype.
16779 * toplev.c (flag_renumber_insns): Define.
16780 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
16782 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
16784 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
16785 and fpsqrtd. Use them and create fdiv function unit to more
16786 accurately represent fpu sqrt pipeline semantics on UltraSparc.
16787 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
16789 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
16791 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
16793 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
16794 insn into ready list, do not use just a raw swap.
16796 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
16798 * rtl.h (renumber_insns): New function.
16799 (remove_unnecessary_notes): Likewise.
16800 * emit-rtl.c (renumber_insns): Define.
16801 (remove_unncessary_notes): Likewise.
16802 * toplev.c (rest_of_compilation): Remove dead code.
16803 Use renumber_insns and remove_unncessary_notes.
16805 * gcse.c (struct null_pointer_info): New type.
16806 (get_bitmap_width): New function.
16807 (current_block): Remove.
16808 (nonnull_local): Likewise.
16809 (nonnull_killed): Likewise.
16810 (invalidate_nonnull_info): Take a null_pointer_info as input.
16811 (delete_null_pointer_checks_1): New function.
16812 (delete_null_pointer_checks): Use it.
16814 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
16815 (split_edges): Likewise.
16816 (schedule_block): Likewise.
16817 (compute_block_backward_dependencies): Likewise.
16818 (schedule_region): Likewise.
16819 (schedule_insns): Likewise.
16821 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
16823 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
16824 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
16825 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
16826 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
16827 * jump.c (delete_unreferenced_labels): Don't delete if
16828 LABEL_ALTERNATE_NAME is set.
16829 * print-rtl.c (print_rtx): Dump alternate name.
16830 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
16831 * rtl.h (LABEL_ALTERNATE_NAME): Define.
16832 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
16833 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
16835 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16837 * fix-header.c (recognized_extern, recognized_function): Constify
16840 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
16841 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
16842 (compute_available): Remove unused variable `last'.
16843 (compute_nearerout): Remove unused variable `temp_bitmap'.
16844 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
16845 Remove unused variable `x'.
16847 * scan.h (recognized_function, recognized_extern): Constify a
16850 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
16852 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16854 * varasm.c (decode_rtx_const): Use XSTR to access the string
16857 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
16859 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
16861 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16863 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
16865 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
16867 * pa.c (ireg_operand): New function.
16868 * pa.h (PREDICATE_CODES): Handle ireg_operand.
16869 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
16870 Fix out of date comment.
16872 * pa.md (negdi2): Turn into expander + anonymous pattern.
16874 * reload.c (find_reloads): Fix typos in recent change.
16876 * dwarf2out.c: Do not include ctype.h.
16878 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16880 * regclass.c (record_reg_classes): Always use may_move_cost when
16881 seeing how operand fits with various register classes.
16883 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
16885 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
16886 * toplev.c: Revert Nov 1 13:22 change.
16888 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
16890 * config/pa/pa.md (height reduction patterns): Add checks for
16891 overlapping operands to avoid semantic-destroying splits for
16892 height reduction patterns.
16894 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16896 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
16897 have been an hyphen, fixed.
16898 * configure: Rebuilt.
16900 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
16902 * config/arm/tpe.h: Add prototypes for exported functions.
16903 * config/arm/pe.c: Fix compile time warnings.
16904 * config/arm/semi.h: Fix compile time warnings.
16905 * config/arm/arm.c: Fix compile time warnings.
16906 * config/arm/arm.h: Fix compile time warnings.
16907 * config/arm/arm.md: Fix compile time warnings.
16908 * config/arm/thumb.c: Fix compile time warnings.
16909 * config/arm/thumb.h: Fix compile time warnings.
16910 * config/arm/thumb.md: Fix compile time warnings.
16912 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
16914 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
16917 * unroll.c (unroll_loop): Remove LOOP notes when loop is
16918 completely unrolled.
16920 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16922 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
16924 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
16926 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
16927 * rtl.h (rtx_equal_p): Move prototype.
16928 * rtl.c (rtx_equal_function_value_matters): Move from
16930 (rtx_equal_p): Likewise.
16931 * rtlanal.c (rtx_equal_function_value_matters): Delete.
16932 (rtx_equal_p): Likewise.
16934 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
16936 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
16937 ! HAS_INIT_SECTION.
16939 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
16941 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
16943 * pa.h (ADDR_VEC_ALIGN): Define.
16945 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
16946 notes when presented with "if (foo) break; end_of_loop" and
16947 the break sequence gets moved out of the loop.
16949 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
16950 Remove explicit zero initializations of entries within MAP.
16952 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
16954 * reg-stack.c (convert_regs_1): Handle EH edges specially.
16956 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
16958 * bitmap.h (BITMAP_XMALLOC): New macro.
16959 * flow.c (CLEAN_ALLOCA): Remove.
16960 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
16961 (life_analysis): Likewise.
16962 (update_life_info): Don't use CLEAN_ALLOCA.
16963 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
16964 (calculate_global_regs_live): Likewise.
16965 (print_rtl_with_bb): Likewise.
16966 (verify_flow_info): Likewise.
16967 * global.c (global_alloc): Likewise.
16968 (global_conflicts): Likewise.
16969 * integrate.c (save_for_inline_nocopy): Likewise.
16970 (expand_inline_function): Likewise.
16971 * jump.c (jump_optimize_1): Likewise.
16972 (duplicate_loop_exit_test): Likewise.
16973 (thread_jumps): Likewise.
16974 * loop.c (loop_optimize): Likewise.
16975 (combine_givs): Likewise.
16976 (recombine_givs): Likewise.
16977 * reorg.c (dbr_schedule): Likewise.
16978 * unroll.c (unroll_loop): Likewise.
16980 * combine.c (combine_instructions): Use xmalloc instead of alloca.
16982 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
16984 * toplev.c (rest_of_compilation): Don't optimize the CFG
16985 when rebuilding, just before dbr.
16987 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16989 * output.h (assemble_end_function, assemble_destructor,
16990 assemble_constructor, assemble_gc_entry, assemble_global,
16991 assemble_label, output_constant_pool) Constify a char*.
16993 * varasm.c (assemble_destructor, assemble_constructor,
16994 assemble_gc_entry, assemble_end_function, assemble_global,
16995 assemble_label, output_constant_pool): Likewise.
16997 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
16999 * config/arm/thumb.c (thumb_expand_prologue): Add comments
17000 explaining what is goin on in this function.
17002 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17004 * regclass.c (record_reg_classes): In matching case, recompute
17005 costs since the direction of movement is different.
17007 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
17009 * resource.c (mark_target_live_regs): For unconditional branches,
17010 the resources found at the branch target should be added to the
17011 resources found so far, not intersected.
17013 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
17015 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
17017 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
17018 (sys/mman.h): Include this file only if #HAVE_MMAP.
17019 (run_compiles): Initialize `esac_fmt' with one old KR string, not
17020 with automatically concatenated ANSI strings.
17022 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
17024 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
17025 (DIV_ROUND_UP): Robustify.
17026 (ggc_recalculate_in_use_p): New function.
17027 (release_pages): Don't inline it.
17028 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
17030 (ggc_pop_context): Use ggc_recalculate_in_use_p.
17031 (clear_marks): Always save in_use_p.
17032 (sweep_pages): Use ggc_recalculate_in_use_p.
17033 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
17034 Release pages before counting statistics.
17036 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
17038 * toplev.c (rest_of_compilation): Fix thinko in this change:
17040 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
17042 (rest_of_compilation): If inside an inlined external function,
17043 pretend we are just being declared.
17045 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
17047 * flow.c (calculate_global_regs_live): Fix thinko.
17049 * integrate.c (expand_inline_function): Fix bugs in previous
17050 change from Oct 28, 1999.
17052 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
17054 * stmt.c (expand_value_return): Fix typo in this change:
17056 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17057 (expand_value_return): Correctly convert VAL when promoting function
17058 return; support RETURN_REG being a PARALLEL.
17060 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
17062 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
17064 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17066 * hard-reg-set.h (reg_names): Constify a char*.
17068 * regclass.c (reg_names): Likewise.
17070 * regs.h (reg_names): Likewise
17072 * a29k/a29k.c (reg_names): Delete declaration.
17074 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
17076 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
17077 arc_output_function_epilogue): Likewise.
17079 * elxsi/elxsi.c (reg_names): Likewise.
17081 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
17083 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
17086 * m88k/m88k.c (output_function_profiler): Likewise.
17088 * sparc/sparc.c (sparc_flat_output_function_prologue,
17089 sparc_flat_output_function_epilogue): Likewise.
17091 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
17093 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
17094 warning from -Wuninitialized and put it under -W.
17095 * function.c (uninitialized_vars_warning): Warn only when the
17096 corresponding flag is set.
17098 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
17100 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
17101 is nonzero and the single set does not have an elt, then assign
17104 * simplify-rtx.c: New file.
17105 * Makefile.in (OBJS): Add simplify-rtx.o
17106 (simplify-rtx.o): Add dependencies.
17107 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
17108 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
17109 (cse_gen_binary, simplify_unary_operation): Delete.
17110 (simplify_binary_operation, simplify_plus_minus): Likewise.
17111 (check_fold_consts, simplify_relation_operation): Likewise.
17112 (simplify_ternary_operation): Likewise.
17113 (delete_trivially_dead_insns): Simplify the contents of the
17114 REG_EQUAL note before trying to substitute it into the source
17115 of the reg-reg copy at the end of a libcall sequence.
17117 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
17118 references/callers changed.
17120 * mn10200.c (mn10200_va_arg): Force the return value into a
17123 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
17125 * cccp.c (macroexpand): Avoid out of range accesses for omitted
17128 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
17130 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
17132 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
17134 * fold-const.c (fold): Fix thinko when optimizing comparisons
17137 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
17139 * gcc.texi (Passes): Update front-end files to their current
17142 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
17144 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
17145 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
17146 (PREDICATE_CODES): Add addition_operation.
17147 * alpha-protos.h (addition_operation): Declare.
17148 (secondary_reload_class): Likewise.
17149 * alpha.c (addition_operation): New.
17150 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
17151 * alpha.md (adddi3): Turn into expander.
17152 (*lda, *adddi_2): New.
17153 (movsf, movdf patterns): Don't preference integer regs.
17154 (movsi, movdi patterns): Don't preference fp regs.
17156 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
17158 * genrecog.c (write_switch): Check for duplicate CODE cases.
17160 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
17162 * ggc-common.c: Update pre-function commentary.
17163 * ggc-page.c: Likewise.
17165 (poison_pages): Use memset directly.
17166 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
17167 (ggc_collect): Poison before sweeping.
17168 * ggc-simple.c: Update pre-function commentary.
17169 (ggc_alloc_obj): Poison non-zeroed memory.
17171 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
17173 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
17174 match format string, even on 64-bit hosts.
17175 * gcc-page.c (ggc_page_print_statistics): Likewise.
17177 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
17179 * config/i386/i386.c (ix86_cpu): Revert last patch.
17180 * config/i386/i386.h (ix86_cpu): Ditto.
17182 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
17184 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
17185 TYPE_SIZE, convert type of result to sizetype.
17187 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
17189 * flow.c (count_or_remove_death_notes): Equate NULL with the
17192 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
17193 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
17196 * i386.c (pic_label_no): Delete.
17197 (ix86_attr_length_default): Don't use single_set to peek
17200 * recog.c (peephole2_optimize): Allow recog_next_insn to index
17201 the first insn after bb->end.
17202 * i386.md (push mem peeps): Scratch is live after evaluation
17204 (cmp mem peep): Similarly.
17206 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
17208 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
17209 * function.c (pad_to_arg_alignment): Add missing braces.
17211 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17213 * alpha/alpha-protos.h (literal_section): Add prototype.
17214 (alpha_need_linkage, alpha_start_function,alpha_end_function):
17217 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
17219 (alpha_start_function, alpha_end_function, float_strings,
17220 alpha_need_linkage): Constify a char*
17222 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
17224 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
17226 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
17228 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
17230 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17232 * flow.c (debug_flow_info): Add prototype.
17234 * gcc.c (main): Likewise.
17236 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
17239 * reload1.c (failed_reload, set_reload_reg): Likewise.
17241 * mips-tfile.c (main): Likewise.
17242 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
17243 with ATTRIBUTE_NORETURN.
17245 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
17247 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
17248 DECL is not a memory ref.
17250 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
17252 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
17253 * config/i386/i386.c (ix86_cpu): Add extern attribute.
17255 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
17257 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
17258 * config/mips/elf64.h: ditto.
17260 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
17262 * expr.c (emit_push_insn): New argument alignment_pad.
17263 Update all callers. Adjust stack pointer based on alignment pad.
17264 * function.c (pad_to_arg_alignment): New argument alignment_pad.
17265 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
17266 (locate_and_pad_parm): New argument alignment_pad. Update all
17268 * expr.h (emit_push_insn): Update prototype.
17269 (locate_and_pad_parm): Update prototype.
17270 * calls.c (arg_data): Add new field alignment_pad.
17271 (initialize_argument_information): Initialize alignment_pad.
17273 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
17275 * except.c (free_eh_nesting_info): Free the info itself.
17276 * function.c (free_after_compilation): Don't free NULL.
17277 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
17278 (pre_edge_insert): Free inserted.
17279 * stmt.c (free_stmt_status): Don't free NULL.
17281 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
17283 * gcov.c (DIR_SEPARATOR): Provide default.
17284 (output_data): Add test for MS-DOS format absolute filename.
17285 (fancy_abort): Correct program name.
17286 (open_files): Open all files in binary mode.
17287 * libgcc2.c (__bb_exit_func): Likewise.
17289 * profile.c (init_branch_prob): Specify binary when opening files.
17291 * flags.h (flag_unwind_tables): New decl.
17292 * toplev.c (flag_unwind_table): New definition.
17293 (f_options): Add -funwind-tables.
17294 (decode_g_option): Clarify warning when unknown -g option is given.
17295 (rest_of_compilation): If inside an inlined external function,
17296 pretend we are just being declared.
17298 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
17299 (dwarf2out_frame_finish): Likewise.
17301 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
17303 * fold-const.c (merge_ranges): If not in0, but in1, handle
17304 upper bounds equal like subset case.
17306 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
17308 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
17309 passed in a register but moved to the stack.
17311 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
17313 * gcc.c (pass_exit_codes, greatest_status): New variables.
17314 (struct option_map): Add entry for "--pass-exit-codes".
17315 (execute): Update greatest_status if error.
17316 (display_help): Add documentation for -pass-exit-codes.
17317 (process_command): Handle -pass-exit-codes.
17318 (main): Look at pass_exit_codes and greatest_status on call to exit.
17320 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17322 * reload.c (find_reloads): Refine test for no input reload
17323 case to not includes reloads emitted after insn.
17325 * function.c (find_temp_slots_from_address): Handle sum involving
17326 a register that points to a temp slot.
17327 (update_temp_slot_address): Make recursive call if both old and
17328 new are PLUS with a common operand.
17329 * calls.c (expand_call): Mark temp slot for result as having
17332 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
17334 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
17335 component as well as "BINUTILS".
17337 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
17338 * integrate.c (copy_rtx_and_substitute): Likewise.
17339 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
17340 All callers changed.
17341 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
17343 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
17344 gdb extensions, write size of type; also be more consistent
17345 in using references when this is a subtype.
17347 * pa.md (extv, extzv, insv): Use define_expand to reject constant
17348 that is out of range.
17350 * loop.c (unknown_constant_address_altered): New variable.
17351 (prescan_loop): Initialize it.
17352 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
17353 (invariant_p, case MEM): Remove handling for volatile and readonly;
17354 check new variable if readonly.
17355 (check_dbra_loop): Chdeck unknown_constant_address_altered.
17357 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
17358 (addr_affects_sp_p): Removed from note_mem_written and only
17359 define #ifdef AUTO_INC_DEC.
17361 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
17363 * regclass.c (record_reg_classes): Properly handle register move
17366 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
17367 Don't think valid if both operands are invalid.
17368 (struct constant_descriptor): New field RTL.
17369 (mark_const_hash_entry): Mark it.
17370 (record_constant{,_rtx}): Initialize it.
17371 (output_constant_def): Allocate RTL in permanent obstack and
17373 ({record,compare}_constant_1): Modes must match for
17374 CONSTRUCTOR of ARRAY_TYPE.
17376 * c-common.h (initializer_constant_valid_p): Delete decl from here.
17377 * output.h (initializer_constant_valid_p): Move decl to here.
17378 * c-common.c (initializer_constant_valid_p): Delete function from here.
17379 * varasm.c (initializer_constant_valid_p): Move function to here.
17381 * tree.h (STRIP_SIGN_NOPS): New macro.
17382 * fold-const.c (optimize_minmax_comparison): New function.
17383 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
17384 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
17385 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
17386 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
17387 widening conversions.
17388 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
17389 to look at size of mode, not precision of type; also add missing cases.
17390 (optimize_bit_field_compare, decode_field_reference): Don't try to
17391 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
17393 * dwarf2out.c (ctype.h): Include.
17394 (dwarf2out_set_demangle_name_func): New function.
17395 (size_of_line_info): Deleted.
17396 (output_line_info): Compute size of line info table from difference
17398 (base_type_die, add_name_attribute): Call demangle function, if any.
17399 (field_byte_offset): Use bits per word for variable length fields.
17400 (gen_array_type_die): Add array name.
17401 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
17402 (dwarf2out_add_library_unit_info): New function.
17404 * explow.c (set_stack_check_libfunc): New function.
17405 (stack_check_libfunc): New static variable.
17406 (probe_stack_range): Allow front-end to set up a libfunc to call.
17408 * combine.c (simplify_comparison): When making comparison in wider
17409 mode, check for having commuted an AND and a SUBREG.
17410 (contains_muldiv): New function.
17411 (try_combine): Call it when dividing a PARALLEL.
17412 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
17413 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
17415 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
17416 use one of the CLOBBERs instead.
17417 (if_then_else_cond): If comparing against zero, just return thing
17420 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
17421 Don't generate shifts and subtract if have conditional arithmetic.
17423 * rtl.h (delete_barrier): New declaration.
17424 * jump.c (jump_optimize): Set up to handle conditional call.
17425 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
17426 (delete_barrier): New function.
17428 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
17430 * recog.c (nonmemory_operand): Accept ADDRESSOF.
17432 * tree.c (build_type_attribute_variant): Push to obstack of
17433 ttype around type_hash_canon call.
17435 * expr.c (placeholder_list): Move decl to file scope.
17436 (expand_expr): Don't force access to volatile just because its
17438 If ignoring reference operations, just expand the operands.
17439 (expand_expr, case COMPONENT_REF): Propagate
17440 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
17441 Refine test for using bitfield operations vs pointer punning.
17442 (expand_expr, case CONVERT_EXPR): If converting to
17443 BLKmode UNION_TYPE from BLKmode, just return inner object.
17444 Use proper mode in store_field call.
17445 Properly set sizes of object to store and total size in store_field
17446 call for convert to union.
17447 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
17448 memory (like for ADDR_EXPR). Also, don't put constant in register if
17449 we'll want it in memory.
17450 (readonly_fields_p): New function.
17451 (expand_expr, case INDIRECT_REF): Call it if LHS.
17452 (expand_assignment): Handle a RESULT_DECL where
17453 DECL_RTL is a PARALLEL.
17454 (do_jump, case WITH_RECORD_EXPR): New case.
17455 (get_inner_reference): Always go inside a CONVERT_EXPR
17456 and NOP_EXPR if both modes are the same.
17457 (store_field): Use bitfield operations if size of bitsize is not same
17458 as size of RHS's type.
17459 Check for bitpos not a multiple of alignment in BLKmode case.
17460 Do block move in largest possible alignment.
17461 (store_constructor): Set BITSIZE to -1 for variable size and properly
17462 in case of array of BLKmode.
17463 (expand_expr_unaligned): New function.
17464 (do_compare_and_jump): Call it.
17466 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
17467 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
17468 does not include 'o'.
17470 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
17471 both SET_DEST and SET_SRC reference a virtual register.
17472 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
17474 * integrate.c (expand_inline_function): Handle case of setting
17475 virtual stack vars register (from built in setjmp); when parameter
17476 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
17477 (subst_constant): Add new parm, MEMONLY.
17478 (expand_inline_function, integrate_parm_decls): Pass new parm.
17479 (integrate_decl_tree): Likewise.
17480 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
17481 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
17482 (copy_rtx_and_substitute, case SET): Add explicit calls to
17483 copy_rtx_and_substitute for both sides.
17485 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
17487 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
17488 within INDEX_TYPE, instead of before.
17489 (fixup_gotos): Use f->target_rtl, not the next insn,
17490 since latter may be from a later fixup.
17491 (expand_value_return): Correctly convert VAL when promoting function
17492 return; support RETURN_REG being a PARALLEL.
17493 (expand_return): When checking for result in regs and having
17494 cleanup, consider PARALLEL in DECL_RTL as being in regs.
17496 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
17498 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
17499 last_nominal_fname): Mark const.
17500 (struct include_hash: name, nshort, control_macro): Mark
17502 (struct macrodef: symnam): Mark const.
17503 (struct if_stack: fname): Mark const.
17504 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
17505 (IStable): New character-syntax array which encompasses all
17506 the old is_foo arrays.
17507 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
17508 is_space): New macros for interrogating IStable.
17509 (check_macro_name): Kill last argument. All callers changed.
17511 * cppinit.c (initialize_char_syntax): Delete.
17512 (is_idchar, is_idstart, is_hor_space, is_space,
17513 trigraph_table): Delete.
17514 (IStable): New. Initialize with clever macros to avoid
17515 information duplication.
17516 (builtin_array): Table of builtins to get rid of explicit list
17517 in initialize_builtins.
17518 (initialize_builtins): Use builtins_array.
17519 (cpp_start_read): Call init_IStable, and set IStable['$'] if
17520 opts->dollars_in_ident.
17522 * cppexp.c: Change all refs to is_xyz[] arrays to use new
17524 (cpp_parse_expr): Avoid 'format string is not constant'
17525 warning. Use ISGRAPH to identify printable chars.
17526 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
17528 (read_and_prescan): Map trigraphs to chars with open-coded
17529 if-else-if-... sequence, not a lookup table.
17530 * cpphash.c: Change all refs to is_xyz[] arrays to use new
17532 * cpplib.c: Change all refs to is_xyz[] arrays to use new
17533 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
17534 (check_macro_name): Remove ability to report an invalid
17535 assertion name, which is never used.
17536 (do_line): Constify a couple of char *'s.
17537 * cppmain.c (main): Call cpp_cleanup before returning.
17539 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
17541 * ggc.h (struct ggc_statistics): New type.
17542 (ggc_get_size): New function.
17543 (ggc_print_statistics): Likewise.
17544 * ggc-common.c (ggc_stats): New variable.
17545 (ggc_mark_rtx_children): Keep statistics.
17546 (ggc_mark_tree_children): Likewise.
17547 (ggc_print_statistics): New function.
17548 * ggc-page.c (struct globals): Add bytes_mapped field.
17549 (alloc_anon): Update it.
17550 (release_pages): Likewise.
17551 (ggc_get_size): New function.
17552 (ggc_page_print_statistics): New function.
17553 * ggc-simple.c (ggc_get_size): New function.
17555 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
17557 * flow.c (propagate_block): When the last reference to a label
17558 before an ADDR_VEC is deleted because the reference is a dead
17559 store, delete the ADDR_VEC.
17561 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
17563 * resource.c (find_free_register): Don't use the frame pointer
17564 if frame_pointer_needed.
17566 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
17568 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
17569 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
17571 * config/i960/i960.c (i960_va_start): New locals base, num.
17572 Use INDIRECT_REF instead of ARRAY_REF on valist.
17573 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
17575 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
17577 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
17579 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
17581 * tree.def (PLACEHOLDER_EXPR): Update comments.
17583 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17585 * c-common.c (check_format_info): Avoid non-literal format string
17586 warnings when `first_arg_num' is zero.
17588 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17590 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
17592 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
17594 * arm.md (casesi_insn): Add a clobber of the condition code
17597 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
17599 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
17600 used by both cc1 and cc1plus.
17602 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
17604 * config/arm/arm.c: Initialise arm_structure_size_boundary to
17605 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
17606 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
17607 to the value 32 if it has not already been defined.
17608 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
17609 Override definition in arm.h with a value of 8.
17611 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
17613 * c-pragma.c (push_alignment): Don't check the return value
17616 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
17618 * sparc.h (ADJUST_COST): Fix thinko.
17620 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
17622 * cccp.c (rescan): Fixed obp pointer handling around call to
17623 check_expand subroutine.
17625 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
17627 * gcse.c (delete_null_pointer_checks): Only record non-null info
17628 for pseudos when examining stores.
17630 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
17631 splitters for these patterns. Use "#" for output templates.
17632 (addsi3_carryin_shift): New pattern.
17634 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
17636 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
17637 of the function return register into a plain REG until
17638 after function inlining is done.
17640 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
17642 * jump.c (jump_optimize_1): If we did cross-jumping, and
17643 the data will matter, rebuild the CFG.
17644 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
17645 not optimizing. Don't run shorten_branches.
17646 * toplev.c (rest_of_compilation): Run shorten_branches after
17649 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
17651 * rtl.h (note_stores): Add additional paramter.
17652 * rtlanal.c (reg_set_p_1): Take additional paramter.
17653 (reg_set_last_1): Likewise.
17654 (reg_set_p): Adjust call to note_stores.
17655 (reg_set_last): Likewise.
17656 (note_stores): Pass data parameter to worker function.
17657 * alias.c (record_set): Take additional parameter.
17658 (init_alias_analysis): Pass it.
17659 * caller-save.c (mark_set_regs): Take additional parameter.
17660 (save_call_clobbered_regs): Pass NULL to note_stores.
17661 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
17663 (record_dead_and_set_regs_1): Likewise.
17664 (reg_dead_at_p_1): Likewise.
17665 (combine_instructions): Adjust calls to note_stores.
17666 (try_combine): Likewise.
17667 (record_dead_insn): Remove.
17668 (record_dead_and_set_regs): Adjust calls to note_stores.
17669 (reg_dead_at_p): Likewise.
17670 * cse.c (invalidate_skipped_set): Take additional parameter.
17671 (cse_check_loop_start): Likewise.
17672 (cse_check_loop_start_value): Remove.
17673 (cse_set_around_loop): Adjust calls to note_stores.
17674 * flow.c (notice_stack_pointer_modification): Take additional
17675 parameter. Remove duplicate declaration.
17676 (record_volatile_insns): Adjust calls to note_stores.
17677 * gcse.c (record_set_info): Take additional parameter.
17678 (record_last_set_info): Likewise.
17679 (invalidate_nonnull_info): Likewise.
17680 (record_set_insn): Remove.
17681 (compute_sets): Adjust calls to note_stores.
17682 (last_set_insn): Remove.
17683 (compute_hash_table): Adjust calls to note_stores.
17684 (insert_insn_end_bb): Likewise.
17685 (delete_null_pointer_checks): Likewise.
17686 * global.c (mark_reg_store): Take additional parameter.
17687 (mark_reg_clobber): Likewise.
17688 (reg_becomes_live): Likewise.
17689 (global_conflicts): Adjust calls to note_stores.
17690 (build_insn_chain): Likewise.
17691 * integrate.c (note_modified_parmregs): Take additional parameter.
17692 (mark_stores): Likewise. Make it static.
17693 (save_for_inline_nocopy): Adjust calls to note_stores.
17694 (try_constants): Likewise.
17695 * integrate.h (mark_stores): Remove declaration.
17696 * jump.c (mark_modified_reg): Take additional parameter.
17697 (thread_jumps): Adjust calls to note_stores.
17698 * local-alloc.c (validate_equiv_mem_from_store): Take additional
17700 (no_equiv): Likewise.
17701 (reg_is_set): Likewise.
17702 (validate_equiv_mem): Adjust calls to note_stores.
17703 (update_equiv_regs): Likewise.
17704 (block_alloc): Likewise.
17705 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
17706 (note_addr_stored): Take additional parameter.
17707 (note_set_pseudo_multiple_uses): Likewise.
17708 (record_initial): Likewise.
17709 (prescan_loop): Adjust calls to note_stores.
17710 (strength_reduce): Likewise.
17711 (check_dbra_loop): Likewise.
17712 * regmove.c (flags_set_1): Take additional paramter.
17713 (mark_flags_life_zones): Adjust calls to note_stores.
17714 * reload1.c (mark_not_eliminable): Take additional parameter.
17715 (forget_old_reloads_1): Likewise.
17716 (reload_cse_invalidate_rtx): Likewise.
17717 (reload_cse_check_clobber): Likewise.
17718 (reload_combine_note_store): Likewise.
17719 (move2add_note_store): Likewise.
17720 (reload): Adjust calls to note_stores.
17721 (reload_as_needed): Likewise.
17722 (emit_reload_insns): Likewise.
17723 (reload_cse_regs_1): Likewise.
17724 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
17725 (reload_combine): Adjust calls to note_stores.
17726 * resource.c (update_live_status): Take additional paramter.
17727 (mark_target_live_regs): Adjust calls to note_stores.
17728 * stupid.c (find_clobbered_regs): Take additional parameter.
17729 (stupid_life_analysis): Adjust calls to note_stores.
17731 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
17733 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
17736 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
17739 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
17740 of the variable arm_structure_size_boundary.
17742 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
17744 * alias.c (init_alias_analysis): Allocate reg_known_value and
17745 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
17747 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
17748 * cse.c (cse_main): Call end_alias_analysis.
17749 * haifa-sched.c (schedule_insns): Likewise.
17750 * local-alloc. (update_equiv_regs): Likewise.
17751 * reload1.c (reload_cse_regs): Likewise.
17753 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17755 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
17756 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
17757 mapping from MASK_FPU.
17759 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
17761 * sparc.md (call): Don't bound structure return size to 0xfff.
17763 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
17765 * resource.c (mark_target_live_regs): Check that the target
17766 insn wasn't created after compute_bb_for_insn.
17768 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
17770 * ggc-page.c (poison_pages): Don't be overzealous.
17772 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
17774 * alias.c: Update comments for ADDRESS.
17775 (nonlocal_reference_p): Look inside the ADDRESS to determine if
17776 it is a local memory reference.
17778 * c-typeck.c (build_function_call): Check that the built-in
17779 function is of class BUILT_IN_NORMAL before trying to recongize
17780 it as BUILT_IN_ABS.
17781 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
17782 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
17784 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
17786 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
17788 (pre_gcse): Likewise.
17789 (hoist_expr_reaches_here_p): Likewise.
17790 (hoist_code): Likewise.
17791 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
17793 (pre_expr_reaches_here_p_work): ... here.
17794 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
17796 (expr_reaches_here_p_work): ... here.
17798 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
17800 * resource.c (find_basic_block): Delete.
17801 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
17802 (init_resource_info): Call compute_bb_for_insn.
17804 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
17806 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
17807 with already adjacent blocks, but no fallthru.
17808 (merge_blocks_move_successor_nojumps): Simplify.
17809 (debug_flow_info): New.
17811 * toplev.c (rest_of_compilation): Open jump1 dump file before
17812 jump and close after, as opposed to just using dump_rtl.
17814 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17816 * reload.h (earlyclobber_operand_p): Declare.
17817 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
17818 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17819 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
17820 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
17822 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
17823 Richard Henderson <rth@cygnus.com>
17825 * emit-rtl.c (emit_block_insn_before): New.
17826 (emit_block_insn_after): New.
17827 * basic-block.h: Declare them.
17829 * bitmap.h: Protect from multiple inclusion.
17831 * recog.c (scratch_operand): Handle VOIDmode correctly.
17833 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
17835 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
17836 * function.c (assign_parms): Likewise.
17837 * global.c (global_conflicts): Clarify STACK_REGS commentary.
17839 * reg-stack.c (max_uid): Remove.
17840 (blocks, block_begin, block_end, block_drops_in): Remove.
17841 (block_stack_in, block_out_reg_set, block_number): Remove.
17842 (struct block_info_def, BLOCK_INFO): New.
17843 (enum emit_where): New.
17844 (current_block): New.
17845 (BLOCK_NUM): Remove.
17846 (mark_regs_pat, record_label_references): Remove.
17847 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
17849 (goto_block_pat, print_blocks, dump_stack_info): Remove.
17850 (reg_to_stack): Simplified test for existance of fp code. Use
17851 flow.c code. Call shorten_branches after cross-jump opt.
17852 (check_asm_stack_operands): Renamed from record_asm_reg_life.
17853 Return false if the asm doesn't use stack regs. Don't do life
17854 analysis on the asm.
17855 (emit_pop_insn): Replace function pointer arg `when' with
17856 enum `where'. Update all callers.
17857 (change_stack): Likewise. Update basic block end.
17858 (emit_swap_insn): Use current_block->head to limit reverse search
17859 for start of block. Use emit_block_insn_after.
17860 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
17861 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
17862 structure assignment instead of bcopy.
17863 (print_stack): New.
17864 (convert_regs_entry, convert_regs_exit): New.
17865 (convert_regs_1, convert_regs_2): Split out from convert_regs.
17866 Work on basic blocks and the CFG.
17867 (convert_regs): Use them.
17869 * i386.c (output_fix_trunc): Remove code for DImode input operand
17870 not at top-of-stack.
17871 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
17873 (fix_truncdi_1): Allow any mode scratch.
17875 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
17877 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
17878 * linux.h, netbsd.h, vms.h: Not here.
17880 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
17882 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
17883 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
17884 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
17885 CONDITIONAL_REGISTER_USEAGE): Use them.
17886 * config/mips/mips.c (mips_move_1word,mips_move_2words,
17887 gen_conditional_branch,override_options) : Use them.
17888 * config/mips/mips.md : Use them.
17890 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
17892 * i386.md (zero_extendqihi2): Use SImode register name with andl.
17894 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
17896 * integrate.c (function_cannot_inline_p): Don't allow inlining
17899 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17901 * c-parse.in (cast_expr): Constify.
17903 * cccp.c (special_symbol): Likewise.
17905 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
17907 * dwarf2out.c (base_type_die): Likewise.
17909 * global.c (allocno_compare): Likewise.
17911 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
17913 * regclass.c (fix_register): Likewise.
17915 * rtl.h (fix_register): Likewise.
17917 * stupid.c (stupid_reg_compare): Likewise.
17919 * toplev.c (decode_f_option): Likewise.
17921 * tree.c (build_complex_type): Likewise.
17923 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
17925 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
17927 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17929 * reload.c (find_reloads): Compute mode and nregs fields of all
17931 * reload1.c (calculate_needs_all_insns): Simplify a bit.
17932 (calculate_needs): Use precomputed mode/nregs values.
17933 (allocate_reload_reg): Likewise.
17935 (failed_reload, set_reload_reg): ... new functions.
17936 (choose_reload_regs_init): New function, mostly broken out from...
17937 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
17938 Also lose one #if 0 block.
17940 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
17942 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
17945 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
17947 * tree.h (BLOCK_TYPE_TAGS): Remove.
17948 (BLOCK_END_NOTE): Likewise.
17949 (BLOCK_LIVE_RANGE_FLAG): Likewise.
17950 (BLOCK_LIVE_RANGE_START): Likewise.
17951 (BLOCK_LIVE_RANGE_END): Likewise.
17952 (tree_block): Remove live_range_flag, live_range_var_flag, and
17953 type_tags. Remove end_note, live_range_start, and live_range_end.
17954 (remember_end_note): Remove prototype.
17955 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
17956 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
17958 * ggc-common.c (ggc_mark_tree_children): Don't mark
17959 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
17960 * integrate.c (adjust_copied_decl_tree): Remove.
17961 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
17962 * stmt.c (last_block_end_note): Remove.
17963 (init_stmt): Don't add a GC root for it.
17964 (expand_fixup): Don't set it.
17965 (remember_end_note): Remove.
17966 (expand_end_bindings): Don't set last_block_end_note.
17968 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17970 * reload1.c (reload_reg_free_for_value_p): Show
17971 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
17974 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
17976 * expmed.c (extract_bit_field): Allow for the case of non-integer
17977 objects that are smaller than a word (like SFmode on a 64-bit
17980 * loop.c (basic_induction_var): A non-integer variable which is
17981 being set by a paradoxical subreg is probably not a biv.
17983 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
17985 * prefix.c (translate_name) Check for empty prefix string.
17987 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
17989 * Makefile.in (CPP_CROSS_NAME): New variable.
17990 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
17992 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
17993 names of the files to be uninstalled.
17995 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
17997 * collect2.c (IS_DIR_SEPARATOR): Define.
17998 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
18000 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
18003 * haifa-sched.c (add_dependence): Update the true dependency
18004 cache the first time we add a true dependence to the LOG_LINKS chain.
18006 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
18008 * fold-const.c (fold): Fix comment.
18010 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18012 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
18013 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
18014 dbxout_start_new_source_file, dbxout_source_file,
18015 dbxout_source_line, dbxout_finish, dbxout_type_fields,
18016 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
18018 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
18019 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
18020 (dbxout_block): Initialize variable `blocknum'.
18022 * dbxout.h (dbxout_init, dbxout_finish,
18023 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
18024 dbxout_args, dbxout_source_line): Constify a char*.
18026 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
18027 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
18028 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
18029 low_pc_attribute, high_pc_attribute, body_begin_attribute,
18030 body_end_attribute, comp_dir_attribute, sf_names_attribute,
18031 src_info_attribute, mac_info_attribute, producer_attribute,
18032 lookup_filename, generate_macinfo_entry, fundamental_type_code,
18033 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
18034 dwarfout_undef): Constify a char*.
18035 (add_incomplete_type, retry_incomplete_types): Add prototypes.
18037 * dwarfout.h (dwarfout_define, dwarfout_undef,
18038 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
18040 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
18042 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
18043 (MULTILIB_ISA_DEFAULT): New.
18044 (MULTILIB_DEFAULTS): Use it.
18045 * config/mips/mips.c (): Remove the now unnecessary definition
18046 of MIPS_ISA_DEFAULT.
18047 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
18048 unnecessary definition.
18050 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
18052 * arm.md (pic_load_addr): Add constraints to operand 1.
18054 1999-10-25 Bruce Korb <autogen@linuxbox.com>
18056 * fixinc/genfixes: Provide a means for specifying -D options to
18059 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
18061 * arm.c (arm_override_options): Correct initialization of
18062 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
18063 arm_is_strong, and arm_is_6_or_7.
18065 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
18066 (note_set_pseudo_multiple_uses): New function.
18067 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
18068 if a pseudo set in the loop exit is used elsewhere.
18070 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
18072 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
18074 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
18076 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
18077 a single load-address pattern.
18079 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
18081 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
18082 depending on whether or not line-number notes are present.
18084 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18086 * cccp.c (progname, file_buf, default_include, include_file,
18087 macrodef, definition, hashval, wchar_type, user_label_prefix,
18088 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
18089 expand_to_temp_buffer, is_system_include, base_name,
18090 absolute_filename, read_name_map, open_include_file,
18091 record_control_macro, check_precompiled, check_preconditions,
18092 pcfinclude, pass_thru_directive, create_definition,
18093 check_macro_name, comp_def_part, collect_expansion,
18094 check_assertion, read_token_list, assertion_install,
18095 assertion_lookup, eval_if_expression, conditional_skip,
18096 validate_else, skip_quoted_string, quote_string, macarg1,
18097 error_from_errno, install, lookup, hashf, dump_defn_1,
18098 perror_with_name, pfatal_with_name, main, trigraph_pcp,
18099 check_white_space, rescan, handle_directive, monthnames,
18100 special_symbol, do_include, remap_include_file, write_output,
18101 arglist, do_assert, do_unassert, do_line, do_error, do_once,
18102 do_ident, do_sccs, do_xifdef, skip_if_group,
18103 output_line_directive, macroexpand, macarg, change_newlines,
18104 initialize_builtins, make_definition): Constify a char*.
18106 * pcp.h (stringdef): Likewise.
18108 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
18110 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
18113 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
18114 Richard Henderson <rth@cygnus.com>
18116 * alias.c: Include ggc.h.
18117 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
18118 (record_set): Verify enough room in reg_base_value.
18119 (init_alias_analysis): Allocate reg_base_value with xcalloc.
18120 Register it as a GC root.
18121 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
18122 * Makefile.in (alias.o): Depend on ggc.h.
18124 * unroll.c (unroll_loop): Verify the insn before a barrier
18125 is a JUMP_INSN before checking JUMP_LABEL.
18127 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18129 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
18130 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
18131 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
18132 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
18133 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
18134 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
18136 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18138 * output.h (ctors_section, dtors_section, bss_section): Prototype.
18140 * alpha/alpha-interix.h (text_section): Delete prototype.
18141 * alpha/elf.h (text_section): Likewise.
18142 * arm/linux-elf.h (text_section): Likewise.
18143 * arm/linux-telf.h (text_section): Likewise.
18144 * c4x/c4x.h (text_section): Likewise.
18145 * dsp16xx/dsp16xx.h (bss_section): Likewise.
18146 * elfos.h (text_section): Likewise.
18147 * i386/aix386ng.h (text_section): Likewise.
18148 * i386/i386-interix.h (text_section): Likewise.
18149 * i386/sco5.h (text_section): Likewise.
18150 * i386/svr3gas.h (text_section): Likewise.
18151 * nextstep.h (text_section): Likewise.
18152 * psos.h (text_section): Likewise.
18153 * ptx4.h (text_section): Likewise.
18154 * svr3.h (text_section): Likewise.
18155 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
18157 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18159 * final.c (peephole): Delete prototype.
18161 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
18162 (pre_insert_copies): Remove unused variable `bb'.
18164 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
18167 * output.h (peephole): Add prototype.
18169 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
18171 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
18174 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
18176 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
18177 for inlined declarations.
18179 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
18181 * arm.c (logical_binary_operator): New fucntion.
18182 * arm.h (logical_binary_operator): Declare it.
18183 (PREDICATE_CODES): Handle logical_binary_operator.
18184 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
18185 output constraints. Add appropriate splitters.
18186 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
18187 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
18188 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
18190 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18192 * genoutput.c (struct operand_data): New elt eliminable.
18193 (output_operand_data): Write it.
18194 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
18195 (compare_operands): Take it into account.
18196 * recog.h (struct insn_operand_data): New elt eliminable.
18197 * reload1.c (check_eliminable_occurrences, elimination_effects): New
18199 (old_asm_operands_vec, new_asm_operands_vec): Delete.
18200 (eliminate_regs): Move code that detects changes to elimination
18201 target regs into new function elimination_effects.
18202 Delete one #if 0 block.
18203 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
18204 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
18205 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
18206 Only call eliminate_regs for real operands of the insn, not for parts
18207 of its structure or parts matched by things like match_operator.
18208 Use elimination_effects and check_eliminable_occurrences. Use
18209 copy_insn to duplicate the pattern when not in the final pass.
18211 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
18213 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
18216 1999-10-22 Bruce Korb <autogen@linuxbox.com>
18218 * fixinc/README: document the "mach" machine matching test
18219 * fixinc/fixfixes.c: Implement the #else/#endif label fix
18220 * fixinc/fixtests.c: Implement the #else/#endif label test
18221 * fixinc/inclhack.def: utilize these tests and fixes
18222 * fixinc/inclhack.sh: regen
18223 * fixinc/fixincl.x: regen
18224 * fixinc/fixincl.sh: regen
18226 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
18228 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
18231 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
18233 * gcc.1: Document exit codes.
18235 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18237 * calls.c: Include tm_p.h later, so everything we need is defined.
18238 * expr.c: Likewise.
18239 * function.c: Likewise.
18241 * except.c: Include tm_p.h.
18243 * sparc.c: Likewise.
18244 (dwarf2out_cfi_label): Don't prototype.
18245 (check_return_regs, epilogue_renumber,
18246 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
18247 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
18248 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
18249 ultra_schedule_insn): Add static prototype.
18250 (data_segment_operand, text_segment_operand): Call itself with the
18251 proper number of arguments.
18252 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
18254 * sparc.h: Move all declarations to sparc-protos.h.
18255 (SELECT_RTX_SECTION): Pass a missing MODE argument to
18258 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
18260 * config/svr4.h (text_section, ctors_section, dtors_section): Add
18262 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
18263 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
18264 ASM_OUTPUT_ASCII): Constify a char*.
18266 * sparc-protos.h: New file for sparc prototypes.
18268 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18270 * function.c (record_insns, contains): Always declare and define.
18271 (record_insns): Mark with ATTRIBUTE_UNUSED.
18273 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18275 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
18276 to .section when outputting a .bss section to deal with multiple
18277 .bss input sections (as happens with -fdata-sections)
18278 Also output %progbits, not @progbits so the assembler doesn't treat as
18280 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
18282 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
18283 thumb parts even when building with non-thumb CPUs, by forcing
18286 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
18288 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
18289 (movdf_const_intreg_sp64): Similarly.
18291 * local-alloc.c (update_equiv_regs): Check the correct insn
18292 for pre-existing REG_EQUIV notes.
18294 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
18296 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
18297 block reached by a branch if we're not going to actually process
18300 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
18302 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
18303 a local extern function declaration.
18305 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
18307 * i386.c (ix86_expand_prologue): Properly wrap USE around
18308 reg for CALL_INSN_FUNCTION_USAGE.
18310 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
18312 * config/mips/mips.md (movdf_internal1a): Allow floating-point
18313 move between GP_REGs.
18315 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
18317 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
18318 the mode size when finding out if an offset is legal.
18320 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
18322 * basic-block.h (PROP_*): Move constants from ...
18323 * flow.c: ... here.
18324 (compute_bb_for_insn): Free the array before reallocating.
18325 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
18326 (allocate_reg_life_data): Reset all reg variables collected by
18328 (get_block_head_tail): Don't convert from bb to block.
18329 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
18330 (find_insn_reg_weight): Take block not bb.
18331 (schedule_block): Don't set block num for moved insns.
18332 (schedule_region): Don't update_life_info or find_insn_reg_weight.
18333 (schedule_insns): Do it here instead.
18334 * combine.c (combine_instructions): Invoke compute_bb_for_insn
18335 before update_life_info.
18336 * recog.c (split_all_insns, peephole2_optimize): Update for
18337 new arg to update_life_info.
18338 * rtlanal.c (remove_note): Cope with NULL note.
18339 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
18342 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
18344 * jump.c (jump_optimize_1): More accurately detect casesi insns.
18346 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
18347 block records so that merge_blocks_nomove will clean up correctly.
18348 (split_edge): Handle casesi insns.
18350 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
18352 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
18354 * pa.md (call, call_value): Do not emit a blockage after restoring
18357 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
18359 * c-typeck.c (c_expand_asm_operands): Fix typo.
18361 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18363 * arm.c (fpu_rhs_operand): Verify modes.
18364 (fpu_add_operand): Likewise.
18365 (di_operand): Likewise.
18366 (soft_df_operand): Likewise.
18368 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
18370 * arm.c (arm_return_in_memory): APCS rules state that the elements
18371 of a structure returned in a register must be 'integer-like'.
18373 1999-10-19 Bruce Korb <autogen@linuxbox.com>
18375 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
18376 in the source tree when the generated targets are out of date
18377 * fixinc/genfixes: Alter it to run individual fixes for make.
18378 * fixinc/README: rewrite
18379 * fixinc/inclhack.def: moved initial comments to README
18381 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
18383 * toplev.c (main): Do not generate an error message if an
18384 unrecognised command line switch is recognisable by another
18385 language. If extra_warnings are enabled, then generate a
18386 warning message instead.
18388 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
18390 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
18391 (insert_pack_attributes): Delete prototype.
18393 * c-pragma.c (default_alignment): New static variable.
18394 (push_alignment): Initialize to current effective alignment.
18395 (pop_alignment): Use to set new alignment.
18396 (insert_pack_attributes): Delete function.
18397 (handle_pragma_token): Set default_alignment as well each time
18398 a #pragma pack(<n>) is encountered.
18400 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
18402 * reg-stack.c (stack_result): Aggregates are not returned in
18405 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18407 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
18409 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
18411 * basic-block.h (set_block_num): Declare.
18412 * flow.c (update_life_info): Don't call compute_bb_for_insn
18413 or free_basic_block_vars.
18414 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
18415 (insn_orig_block): Remove.
18416 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
18417 (schedule_block): Keep BLOCK_NUM up-to-date.
18418 (schedule_insns): Use compute_bb_for_insn.
18419 * recog.c (split_all_insns): Likewise.
18420 (peephole2_optimize): Likewise.
18422 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
18424 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
18425 if the pic register is used.
18427 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18429 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
18430 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
18431 if that tests TREE_PERMANENT.
18433 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
18435 * cse.c (invalidate_for_call): Do not remove memory references from
18436 the table here. It's handled elsewhere.
18438 * haifa-sched.c (add_dependence): Protect references to the
18439 true dependency cache with #ifdef INSN_SCHEDULING.
18440 (remove_dependence): Similarly.
18442 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
18443 to the cfg code that this is a return instruction.
18444 * mn10300.md (return_internal): Similarly.
18446 * combine.c (get_last_value): If the last set of a register
18447 is after subst_low_cuid, then we can not use it to determine
18448 the register's last value.
18450 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
18452 * Makefile.in: Back out previous change.
18454 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
18456 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
18458 * haifa-sched.c (add_dependence): Only check/update the cache
18460 (remove_dependence): Likewise.
18461 (schedule_insns): Only create the true_dependency_cache if the
18462 average number of instructions in a basic block is very large.
18464 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
18466 * Makefile.in (ggc-common.o): Depend on genrtl.h.
18467 (ggc-simple.o): Likewise.
18468 (ggc-page.o): Likewise.
18470 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
18472 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
18473 Prototype for exported functions.
18474 (pre_lcm, pre_rev_lcm): Remove prototypes.
18475 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
18476 (compute_available): Move to lcm.c, and change parameter order.
18477 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
18478 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
18479 (gcse_main): No longer call compute_preds_succs. Rebuild the
18480 set table after reach pre pass.
18481 (pre_insert_map, pre_delete_map, edge_list): New.
18482 (alloc_pre_mem): Allocate edge vectors.
18483 (free_pre_mem): Delete edge vectors.
18484 (compute_pre_data): Call new edge based lcm routines.
18485 (process_insert_insn): New function.
18486 (insert_insn_end_bb): Use it.
18487 (pre_edge_insert): New function.
18488 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
18490 (pre_insert_copies): Revamp using new edge based lcm outputs.
18491 (pre_delete): Likewise.
18492 (one_pre_gcse_pass): Insert & remove fake edges to the exit
18494 (compute_code_hoist_vbeinout): New new edge based routines.
18495 * lcm.c: Remove all the old LCM functions. Replace with new ones
18496 that work with the new cfg datastructures and work with edges
18499 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18501 * reload.h (struct reload): Add new fields "mode" and "nregs".
18502 * reload1.c: Change all occurrences of reload_mode and reload_nregs
18503 to reference the "mode" and "nregs" field within struct reload.
18505 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
18507 * haifa-sched.c (true_dependency_cache): New.
18508 (add_dependence): Use the true dependency cache to avoid expensive
18509 walks down the LOG_LINKS dependency list. Add entries to the
18510 cache as necessary.
18511 (remove_dependence): Remove entries from the true dependency cache
18513 (schedule_insns): Allocate and initialize and free the true
18516 * haifa-sched.c (schedule_insns): Do not remove inter-block
18517 dependencies anymore.
18519 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
18521 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
18522 * i386/t-winnt: Likewise.
18524 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
18526 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
18528 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
18530 * Makefile.in (LANGUAGES): Omit "proto".
18531 (clean): Remove stale comment about removing unprotoize.c.
18533 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18535 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
18536 using arithmetic on void pointers.
18538 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
18540 * haifa-sched.c (compute_block_forward_dependencies): Only check
18541 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
18543 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
18545 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
18546 (expr_equiv_p): Reject memories with different alias sets.
18548 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
18550 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
18551 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
18552 (f_options): Add "bounded-pointers" and "bounds-check" entries.
18553 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
18554 (lang_init): Set default for flag_bounds_check if still "unspecified".
18556 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18558 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
18560 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18562 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
18565 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18567 * config/c4x/c4x.md (*db_noclobber,
18568 *decrement_and_branch_until_zero_noclobber): New patterns and
18569 associated splitters.
18571 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18573 * config/c4x/c4x.md (parallel instruction patterns): Rework
18574 constraints to keep reload happy.
18576 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18578 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
18579 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
18580 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
18581 Add new patterns and associated post-reload splitters.
18583 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18585 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
18587 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18589 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
18591 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
18593 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18595 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
18598 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
18600 * pa.c (move_operand): Rely on memory_address_p to determine the
18601 validity of non-indexed memory addresses.
18602 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
18603 operand in DFmode and SFmode when generating PA2.0 code.
18605 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
18607 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
18609 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
18611 * mips.c (function_prologue): Fix argument types.
18612 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
18613 (casesi_internal): Write to the scratch register.
18615 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
18617 * cppexp.c (cpp_parse_escape): Make static. Change second arg
18619 (parse_charconst): Delete unnecessary cast when calling
18621 (cpplib.h): Kill prototype of cpp_parse_escape.
18623 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
18625 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
18626 * unroll.c (unroll_loop): Cast return value of alloca.
18627 * i370/i370.c: Include function.h and toplev.h.
18628 (i370_label_scan): Remove c++ commented abort.
18629 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
18630 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
18631 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
18632 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
18634 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
18636 * config/t-freebsd: Do not override USER_H.
18637 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
18639 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
18640 Mumit Khan <khan@xraylith.wisc.edu>
18642 * c-parse.in (component_decl): Support anonymous struct/union.
18644 * c-parse.y: Regenerate.
18645 * c-parse.c: Likewise.
18646 * objc/objc-parse.y: Likewise.
18647 * objc/objc-parse.c: Likewise.
18648 * c-decl.c (finish_struct): Don't sort the fields.
18649 (field_decl_cmp): Delete unused function.
18651 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
18653 * sparc.md (movsf_const_intreg): Revert last constraint change.
18654 (movdf_const_intreg_sp32): Likewise.
18656 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
18658 * cse.c: Include hashtab.h instead of splay-tree.h
18659 (struct cse_reg_info): No longer use variant union. Add new
18660 field "regno". All references changed to avoid union.
18661 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
18662 (free_cse_reg_info): Remove.
18663 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
18664 (get_cse_reg_info): Revamp to use expandable hash tables instead
18665 of splay trees. Initialize new fields in cse_reg_info structure.
18666 (new_basic_block): Similarly.
18668 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
18670 * genrecog.c (message_with_line): Prototype.
18671 (validate_pattern): Pass along the set for the dest, not a flag.
18672 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
18673 Check for PC/CC0 as sources.
18674 (nodes_identical): Check for children position match before
18675 allowing the combination.
18677 * rtl.c (read_rtx): Track line number across \\\n.
18679 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
18681 * mips.h (SPECIAL_MODE_PREDICATES): New.
18682 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
18683 (movdi+1, movsi+1): Add output reload constraint.
18684 (casesi_internal): Likewise. Fix commentary.
18685 (return_internal): Use pmode_register_operand.
18687 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
18689 * 1750a.md (movstrqi): Add missing output reload constraint.
18690 (call_value): Likewise.
18691 * a29k.md (cpxxx patterns): Add missing match_operator mode.
18692 (jmpfdec): Add missing inout reload constraint.
18693 * elxsi.md (addsi patterns): Add missing output reload constraint.
18694 (move from sp): Use @ alternates.
18695 (call_value): No constraint on output.
18696 * fr30.md (movsi_pop): Add missing output reload constraint.
18697 (movsf_constant_store): Likewise.
18698 (splits): Remove constraints.
18699 (subsi3): Add missing mode.
18700 * i370.md (cmpstrsi+1): Add missing output reload constraint.
18701 (call_value): Likewise.
18702 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
18703 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
18704 * m32r.md (movsicc_internal): Add output reload constraint.
18705 (movstrsi_internal): Add inout reload constraints.
18706 * m88k.h (reg_names): Don't declare.
18707 (SPECIAL_MODE_PREDICATES): New.
18708 * m88k.md (*): Use register_operand not reg_or_0_operand
18710 * mn10200.h (PREDICATE_CODES): New.
18711 * ns32k.md (ffs pattern): Add output reload constraint.
18712 * pdp11.md (sob pattern): Add inout reload constraint.
18713 * sh.md (splits): Remove constraints.
18714 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
18715 * v850.md (pattern_is_ok_for_epilogue): Likewise.
18716 * vax.md (jgequ pattern): Add inout reload constraint.
18718 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
18720 * configure.in (djgpp): Revert previous patch.
18721 * configure: Rebuit.
18722 * config/i386/djgpp.h: Revert previous patch.
18724 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
18726 * fixinc/inclhack.def: Restore patch lost during last merge of
18727 "no_bogosity" branch.
18728 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
18730 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
18732 * fixincludes: Add a HPUX 11 fix for inttypes.h.
18733 * fixinc/inclhack.def: Same.
18734 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
18736 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
18738 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
18739 as the base of a PLUS.
18741 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18743 * config/c4x/c4x.md: Define mode for remaining unspec operators.
18744 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
18746 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
18748 * pa.md (post_stw+1): Use pmode_register_operand.
18749 (dcacheflush, icacheflush): Likewise.
18751 * i386.md (movstricthi_1): Allow r/r.
18753 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
18755 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
18756 to (not (and (arg0) (arg1))). Similary for and.
18758 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
18759 fallthrough to associate code.
18760 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
18763 * combine.c (simplify_logical): Convert XOR to IOR if operands have
18764 no bits in common; remove XOR to ROTATE conversion.
18766 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18768 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
18770 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18772 * config/c4x/c4x.c (dst_operand): New.
18773 (PREDICATE_CODES): Update.
18774 * config/c4x/c4x.h (dst_operand): Declare it.
18775 * config/c4x/c4x.md: Define mode for each unspec usage.
18776 (move patterns): Use dst_operand predicate instead of src_operand.
18777 (movqi_update, movqf_update): Delete.
18779 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
18781 * recog.c (pmode_register_operand): New.
18782 * recog.h: Declare it.
18783 * genrecog.c (pred_codes): Likewise.
18784 (special_mode_pred_table): Likewise.
18785 (validate_pattern): Don't warn no mode for address_operand.
18787 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
18788 if the operand is not insn-like.
18790 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
18791 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
18793 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
18795 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
18797 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
18798 instead of general_operand in a SET_DEST. Use const_double_operand
18799 instead of an explicit test against CONST_DOUBLE.
18800 (movsf_const_lo): Add missing register mode.
18801 (goto_handler_and_restore): Add auxiliary test for Pmode.
18802 (flush): Adjust to use address_operand.
18803 (return_sf_no_fpu): Add missing output constraint.
18805 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
18807 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
18808 for call return value.
18809 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
18811 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
18813 * toplev.c (main): Only warn about options for other languages.
18814 * collect2.c (main): Pass -w to sub-gcc.
18816 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
18818 * flow.c (propagate_block): Add call-clobbered registers to
18821 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
18822 zapping mem_set_list.
18823 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
18824 (mark_set_1, mark_used_regs): Likewise.
18826 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
18828 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
18830 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
18832 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
18833 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
18834 options. Also add a new item "C-only Warning Options" to the
18837 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
18839 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
18840 from multiple calls.
18842 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
18844 * i386.md (call value patterns): Move to the end of the file.
18845 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
18847 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
18849 * configure.in (djgpp configuration): Define extra_objects..
18850 * configure: Rebuilt.
18851 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
18852 (DTORS_SECTION_ASM_OP): Define.
18853 (INIT_SECTION_ASM_OP): Define.
18854 (FINI_SECTION_ASM_OP): Define.
18855 (DATA_SECTION_ASM_OP): Define.
18856 (TEXT_SECTION_ASM_OP): Define.
18857 (EH_FRAME_SECTION_ASM_OP): Define.
18858 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
18859 (STARTFILE_SPEC): Add crtbegin.o.
18860 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
18861 to here from LINK_COMMAND_SPEC.
18862 (DO_GLOBAL_CTORS_BODY): Define.
18863 (CRTSTUFF_USE_FINI_SECTION): Define
18864 (HAS_INIT_SECTION): Delete.
18866 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
18868 * Makefile.in (all.cross): Depend on xcpp$(exeext).
18870 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
18872 * pa.h (PREDICATE_CODES): New.
18874 * genrecog.c (validate_pattern): Condense the destination
18875 non-lvalue message.
18877 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
18879 * alpha.md (call-1): Supply missing mode for operator.
18880 (*): Add missing output reload constraints. Remove constraints
18881 from define_splits.
18883 * i386.h (SPECIAL_MODE_PREDICATES): New.
18884 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
18885 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
18886 (addsi_lea_3): Add missing mode for op 3.
18887 (prologue_set_got, prologue_get_pc): Add missing modes.
18888 (*) Add missing output reload constraints.
18890 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
18892 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
18893 check for member bit-size overflow and use var_size if it occurs.
18894 (layout_record): Use bitsize_int() to define the type size in bits.
18895 Likewise for computation and assignment to DECL_FIELD_BITPOS.
18896 (layout_decl): Likewise when assigning to DECL_SIZE.
18898 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
18900 * genrecog.c (validate_pattern): Typo last change. Verify
18901 that output operands have output reloads.
18903 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
18905 * genrecog.c (special_mode_pred_table): New.
18906 (NUM_SPECIAL_MODE_PREDS): New.
18907 (find_operand): New.
18908 (validate_pattern): New argument `insn'. Warn for assignment to
18909 any predicate accepting non-lvalues. Conditionaly warn for
18910 match_operand without a mode. Try much harder to match source
18911 and destination modes on a set.
18912 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
18914 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
18916 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
18918 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
18920 * combine.c (simplify_logical): Recognize xor pattern that encodes
18923 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18925 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
18928 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
18930 * ggc-page.c (MAP_FAILED): Provide default.
18932 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
18934 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
18935 * sparc.h (PREDICATE_CODES): Update.
18937 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
18939 * alpha.c (some_ni_operand): New.
18940 * alpha-protos.h: Declare it.
18941 * alpha.h (PREDICATE_CODES): Update.
18942 * alpha.md (sXaddq reload insns): Use some_ni_operand
18943 for SET_DEST instead of some_operand.
18945 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
18946 Jim Wilson <wilson@cygnus.com>
18948 * genrecog.c (maybe_both_true_2): Don't compare modes of
18950 (process_tree): Elide peephole2_insns. Invoke simplify_tests
18951 after find_afterward.
18952 (debug_decision_1): Dump next and afterward codes.
18954 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
18956 * rtl.c (dump_and_abort): Remove.
18957 (fatal_with_file_and_line): New.
18958 (fatal_expected_char): New.
18959 (read_rtx_lineno, read_rtx_filename): New.
18960 (read_skip_spaces): Track line number.
18961 (read_name): Use fatal_with_file_and_line.
18962 (read_rtx): Use fatal_expected_char. Track line number.
18963 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
18965 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
18966 if it isn't a CODE_LABEL.
18968 * genattr.c (main): Set read_rtx_filename.
18969 * genattrtab.c (main): Likewise.
18970 * gencodes.c (main): Likewise.
18971 * genconfig.c (main): Likewise.
18972 * genemit.c (main): Likewise.
18973 * genextract.c (main): Likewise.
18974 * genflags.c (main): Likewise.
18975 * genopinit.c (main): Likewise.
18976 * genoutput.c (main): Likewise.
18977 * genpeep.c (main): Likewise.
18979 * genrecog.c (decision_test.u.insn): Add `lineno'.
18980 (pattern_lineno, error_count): New variables.
18981 (message_with_line): New.
18982 (add_to_sequence): Break out checking code to ...
18983 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
18984 (merge_insn): Use message_with_line.
18985 (make_insn_sequence): Use validate_pattern. Record insn lineno.
18986 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
18988 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18990 * expr.c (store_constructor): Clear union if constructor is empty.
18992 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
18994 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
18995 Add !endian checks. Change %{...} to %(...).
18997 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
18999 * i386.md (*addsi3_cc): Renamed from addcsi3.
19000 (*addsi3_carry): Renamed from addxsi3.
19001 (*subsi3_cc): Renamed from subcsi3.
19002 (*subsi3_carry): Renamed from subxsi3.
19003 (*xorqi_cc_1): Renamed from xorcqi_1.
19004 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
19005 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
19007 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
19009 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
19010 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
19012 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
19014 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
19015 climb up the chain of insns.
19017 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
19019 * genrecog.c (write_subroutine): Careful for null trees.
19020 (process_tree): Don't elide empty functions.
19022 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
19024 * Makefile.in (genrtl.o): Depend on ggc.h.
19025 * configure.in (valloc): Probe for it.
19026 (with-gc): Use ggc-page if valloc present.
19027 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
19028 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
19029 (ggc_alloc_string): Moved from ggc-page.c.
19030 * ggc-none.c (ggc_alloc_obj): New.
19031 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
19032 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
19033 (struct globals): Likewise for dev_zero_fd.
19034 (init_ggc): Likewise for it's initialization.
19035 (ggc_allocated_p): Move careful dereference from ...
19036 (ggc_lookup_page_table): ... here. Delete.
19037 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
19038 (alloc_anon): Use valloc if no mmap.
19039 (release_pages): Use free if using valloc.
19040 (ggc_alloc_obj): Renamed from alloc_obj.
19041 (ggc_set_mark): Renamed from mark_obj.
19042 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
19043 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
19044 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
19045 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
19046 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
19047 (ggc_collect): Use fp printing instead of our own rounding.
19048 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
19049 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
19050 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
19051 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
19052 (struct ggc_string, struct ggc_any): Delete.
19053 (offsetof): Provide default definition.
19054 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
19056 (struct ggc_mem): New, from corpse of ggc_any.
19057 (struct ggc_status): Delete.
19058 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
19059 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
19060 (n_strings_collected, n_anys_collected): Delete.
19061 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
19062 (ggc_alloc_string, ggc_alloc): Delete.
19063 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
19064 (ggc_free_string, ggc_free_any): Delete.
19065 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
19066 (ggc_compare_addresses, ggc_mark_string): Delete.
19067 (ggc_mark_string_if_gcable, ggc_mark): Delete.
19068 (search_data): Delete.
19069 (struct globals): New.
19070 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
19071 (tree_insert, tree_lookup): New.
19072 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
19073 (clear_marks, sweep_objs): New.
19074 (ggc_collect): Gut. Use clear_marks, sweep_objs.
19075 (init_ggc): Set allocated_last_gc.
19076 (ggc_push_context): Gut. Use G.context.
19077 (ggc_pop_context): Likewise.
19078 (ggc_pop_context_1): New.
19079 (debug_ggc_tree): New.
19080 (debug_ggc_balance, tally_leaves): New.
19081 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
19082 (ggc_mark_string_if_gcable): Remove decl.
19083 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
19084 (ggc_mark_rtvec_children): New.
19085 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
19086 (ggc_mark_if_gcable): New decl.
19087 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
19088 (ggc_alloc_tree, ggc_alloc): Likewise.
19089 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
19090 (ggc_alloc_obj): New decl.
19091 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
19092 (ggc_alloc_tree, ggc_alloc): Likewise.
19093 (ggc_set_mark): New decl.
19094 * rtl.h (struct rtx_def): Remove gc_mark.
19095 (struct rtvec_def): Likewise.
19096 * tree.h (struct tree_common): Likewise.
19098 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
19100 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
19101 float_format and thread_file definitions.
19102 * configure: Rebuilt.
19104 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
19106 * extend.texi (Function Names): Document types of function names.
19108 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19110 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
19111 an earlyclobbered output conflict with RELOAD_INPUT reloads.
19113 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19115 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
19117 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19119 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
19121 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
19123 * collect2.c (main): Do prelimnary link on AIX if rflag.
19125 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19127 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
19128 __CTOR_LIST__ in opposite order, which is the correct order for sorted
19130 (__do_global_dtors): similarly for __DTOR_LIST__.
19132 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19133 Diego Novillo <dnovillo@cygnus.com>
19135 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
19138 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
19140 * fixincl/*: Merged "no_bogosity" branch
19141 * fixincl/fixlib.h: protect against doubly defining t_bool
19142 * fixincl/server.h: protect against doubly defining t_bool
19144 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
19146 * genoutput.c: Include toplev.h.
19148 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
19150 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
19152 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
19153 * configure: Regenerate.
19155 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
19157 * gcse.c (delete_null_pointer_checks): Returns void.
19159 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19161 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
19162 * emit-rtl.c (copy_insn_1): Likewise.
19164 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19166 * config/mips/mips.c (mips_build_va_list): Correct
19167 TREE_CHAIN setting when hard-float.
19168 (mips_va_start): Use corrected setting.
19169 (mips_va_arg): Likewise. Also pass a tree to build of
19170 POSTINCREMENT_EXPR rather than a naked 'int'.
19172 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
19174 * ggc.h (ggc_push_context): Fix comment.
19175 (ggc_pop_context): Likewise.
19176 (mark_string_if_gcable): Likewise.
19177 * ggc-common.c (ggc_mark_rtx_children): Use
19178 ggc_mark_string_if_gcable.
19179 * ggc-page.c (ggc_lookup_page_table): New function.
19180 (ggc_allocated_p): Likewise.
19181 (mark_obj): Fix formatting.
19182 (ggc_mark_string_if_gcable): New function.
19183 * ggc-simple.c (ggc_allocated_strings): New variable.
19184 (ggc_strings_used): Likewise.
19185 (ggc_compare_addresses): New function.
19186 (ggc_pop_context): Pop the `any' memory too.
19187 (ggc_mark_string_if_gcable): New function.
19188 (ggc_collect): Initialize and tear down ggc_allocated_strings.
19190 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
19192 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
19193 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
19194 * rs6000.c (expand_block_move): Match movstrsi_?reg register
19197 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
19199 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
19200 (sched_reg_live_length, sched_reg_basic_block): Delete.
19201 (current_block_num, bb_live_regs, old_live_regs): Delete.
19202 (dead_notes, struct sometimes): Delete.
19203 (sched_note_set, birthing_insn_p): Delete.
19204 (adjust_priority): Gut useless reg lifetime code.
19205 (create_reg_dead_note, attach_deaths): Delete.
19206 (attach_deaths_insn, new_sometimes_live): Delete.
19207 (finish_sometimes_live): Delete.
19208 (find_pre_sched_live, find_post_sched_live): Delete.
19209 (update_reg_usage): Delete.
19210 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
19211 (schedule_insns): Delete reg lifetime code.
19212 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
19213 (unlink_other_notes): Adjust REG_NOTE commentary.
19214 (reemit_notes): Use REG_SAVE_NOTE.
19215 (schedule_block): Likewise.
19216 (schedule_region): Allocate bitmap of blocks in region. Use
19217 count_or_remove_death_notes. Use update_life_info.
19219 * rtl.h (REG_SAVE_NOTE): New.
19220 * rtl.c (reg_note_name): Update.
19222 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
19224 * combine.c (refresh_blocks, need_refresh): New.
19225 (combine_instructions): Allocate refresh_blocks. Invoke
19226 update_life_info if needed.
19227 (distribute_notes): Mark refresh_blocks instead of installing
19229 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
19230 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
19232 * Makefile.in (recog.o): Depend on basic-block.h.
19234 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
19236 * genrecog.c (add_to_sequence): Thinko last change: delete
19237 shadowing allow_const_int variable.
19239 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19241 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
19242 __GNUC__ and __GNUC_MINOR__.
19244 * gansidecl.h: Likewise.
19250 * toplev.h: Likewise.
19252 * tree.c: Likewise.
19254 * tree.h: Likewise.
19256 * varray.c: Likewise.
19258 * varray.h: Likewise.
19260 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19262 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
19263 use one before a jump table.
19265 * rtl.def (ADDRESS): Change documentation to match reality.
19266 * md.texi: Don't document it.
19267 * gmicro.md (load address pattern): Use 'p' constraint, delete use
19270 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
19272 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
19274 * genrecog.c (add_to_sequence): Move allow_const_int test outside
19275 known predicate block; default allow_const_int true.
19276 (debug_decision_list): New.
19278 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
19280 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
19282 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
19284 * gcse.c (gcse_main): Avoid global optimizations if we have a
19285 large number of basic blocks and the ratio of edges to blocks
19287 (delete_null_pointer_checks): Likewise.
19289 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
19291 * c-common.c (check_format_info): Warn if format string isn't a
19294 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19296 * configure.in (arm*-*-*): Don't let autoconf remove brackets
19297 * configure: regenerate
19299 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
19301 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
19302 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
19303 (peepholes): Re-enable.
19305 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
19307 * Makefile.in (flow.o): Depend on TREE_H.
19308 * basic-block.h (REG_SET_EQUAL_P): New.
19309 (XOR_REG_SET): New.
19310 (n_edges): Declare.
19311 (free_regset_vector): Remove declaration.
19312 (flow_delete_insn_chain): Declare.
19313 (enum update_life_extent): New.
19314 (update_life_info, count_or_remove_death_notes): Declare.
19315 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
19316 Verify register live at bb->global_live_at_start before adding USE.
19317 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
19318 (CLEAN_ALLOCA): New.
19320 (PROP_*): New flags.
19321 (find_basic_blocks_1): Use alloc_EXPR_LIST.
19322 (clear_edges): Zero n_edges.
19323 (make_edge): Increment n_edges.
19324 (split_edge): Don't allocate bb->local_set. Increment n_edges.
19325 (flow_delete_insn_chain): Export.
19326 (delete_block): Decrement n_edges.
19327 (merge_blocks_nomove): Likewise.
19328 (life_analysis): Give life_analysis_1 PROP flags.
19329 (verify_wide_reg_1, verify_wide_reg): New.
19330 (verify_local_live_at_start): New.
19331 (update_life_info): Rewrite to call into propogate_block.
19333 (mark_regs_live_at_end): After reload, if epilogue as rtl,
19334 always mark stack pointer. Conditionally mark PIC register.
19335 After reload, mark call-saved registers, return regsiters.
19336 (life_analysis_1): Accept PROP flags not remove_dead_code.
19337 Call mark_regs_live_at_end before zeroing regs_ever_live.
19338 Use calculate_global_regs_live. Copy global_live_at_end before
19339 calling final propagate_block. Zero reg_next_use on exit.
19340 (calculate_global_regs_live): New.
19341 (allocate_bb_life_data): Don't allocate bb->local_set.
19342 (init_regset_vector, free_regset_vector): Remove.
19343 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
19344 Test flags before every operation. Warn if prologue/epilogue insn
19345 would have been deleted.
19346 (mark_set_regs, mark_set_1): Accept and use FLAGS.
19347 Use alloc_EXPR_LIST.
19348 (mark_used_regs): Accept and use FLAGS, not FINAL.
19349 Remove special handling for RETURN.
19350 (try_pre_increment): Use alloc_EXPR_LIST.
19351 (dump_flow_info): Dump n_edges.
19352 (unlink_insn_chain, split_hard_reg_notes): Remove.
19353 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
19354 (find_insn_with_note, new_insn_dead_notes): Remove.
19355 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
19356 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
19357 (replace_insns): Remove.
19358 (count_or_remove_death_notes): New.
19359 (verify_flow_info): Abort on error after all checks.
19360 (remove_edge): Decrement n_edges.
19361 (remove_fake_edges): Tweak format.
19362 * haifa-sched.c (schedule_insns): Use split_all_insns.
19363 * output.h (update_life_info): Remove declaration.
19364 * recog.c (split_all_insns): From the corpse of split_block_insns,
19365 do the whole function block by block. Use update_life_info.
19366 (recog_last_allowed_insn): New.
19367 (recog_next_insn): Mind it.
19368 (peephole2_optimize): Set it. Walk backwards through blocks.
19369 Use update_life_info.
19370 * rtl.h (update_flow_info, replace_insns): Remove declarations.
19371 (split_all_insns): Declare.
19372 * toplev.c (rest_of_compilation): Thread prologue before flow2.
19373 Use split_all_insns.
19375 * i386.md (or -1 peep2s): Disable.
19377 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
19379 * config/mips/mips.md (movstrsi+[123]) : Combine these into
19380 a single pattern. Scrap the 'd' versions as unnecessary.
19382 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
19383 tablejump_mips162,tablejump_internal4): The operands to a
19384 label_ref must be VOIDmode.
19386 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19388 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
19390 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
19392 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
19394 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
19396 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
19397 cache every function if ggc_p.
19399 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19401 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
19402 instead of copy_rtx. Accept sequences that contain asm statements.
19403 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
19404 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
19405 orig_asm_operands_vector, copy_asm_operands_vector,
19406 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
19408 * rtl.h (copy_insn, copy_insn_1): Declare.
19410 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19412 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
19414 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
19415 arguments to `current_file_function_operand'.
19417 * genrecog.c: Include hard-reg-set.h and resource.h in the
19418 generated output file.
19420 * real.c: Include tm_p.h.
19422 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19424 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
19427 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
19429 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
19430 before the fctiwz insn.
19432 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19433 Mark Mitchell <mark@codesourcery.com>
19435 * tree.c (make_lang_type_fn): New funtion pointer.
19436 (make_lang_type): Call it.
19437 * tree.h (make_lang_type): Declare.
19438 (make_lang_type_fn): Likewise.
19439 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
19441 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
19443 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
19444 make sure that HIGH instructions are copied into BASE_REGS.
19446 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
19448 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
19450 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
19452 * c-decl.c (finish_struct): Use simpler method of
19453 removing elements of a singly-linked list.
19455 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
19457 * alpha.md (peephole2's): Comment out peephole2's that generate
19460 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
19462 * genrecog.c (add_to_sequence): Disable mode check for
19465 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19467 * ggc-simple.c (init_ggc): Set empty_string.
19469 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
19471 * configure.in: Detect mmap. Add --with-gc=foo to select
19472 garbage collector; default to page if mmap available.
19473 * Makefile.in (GGC): Substitute.
19475 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
19477 * c-decl.c (ggc_p): Enable.
19479 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19481 * flow.c (verify_flow_info): Make it extern & unconditionally define.
19483 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
19485 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
19486 string for little-endian-data.
19488 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
19490 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
19491 case somebody tries to compile --enable-checking code with gcc
19494 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
19496 * genrecog.c (add_to_sequence): Verify operand to label_ref is
19499 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
19501 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
19502 * jump.c (jump_optimize_1): Document why.
19504 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19506 * collect2.c (scan_prog_file, scan_libraries): Prototype function
19507 pointers and casts for `int_handler' and `quit_handler'.
19509 * flow.c (verify_flow_info, split_hard_reg_notes,
19510 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
19511 remove_edge, remove_fake_successors): Add static prototypes.
19512 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
19513 (mark_set_1): Initialize variable `regno'.
19514 (unlink_insn_chain): Likewise for variable `curr'.
19515 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
19517 * loop.c (strength_reduce): Initialize variable
19518 `unrolled_insn_copies'.
19519 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
19520 prototypes. Change these functions to take const PTR parameters
19521 to avoid prototype conflict when used as the comparson argument
19523 (check_dbra_loop): Initialize variable `comparison_val'.
19525 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
19526 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
19527 (find_valid_class): Initialize variable `best_class'.
19528 (find_reloads): Call memcpy, not bcopy.
19530 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
19531 (hard_reg_use_compare): Don't needlessly cast away const.
19532 (reload_reg_class_lower): Likewise.
19533 (choose_reload_regs): Initialize variable `regno'.
19535 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
19537 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
19539 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
19541 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
19542 ({,d}discard): Add forward declarations. Declare parameter as
19544 (main_without_main): Explicitly declare return type to be int.
19545 (memcpy): Properly declare.
19547 * libgcc2.c (toplevel): If inhibit_libc is defined and not
19548 building the trampoline support, declare malloc, free, and
19550 (__clear_cache): Mark arguments as potentially unused.
19552 * frame.c (toplevel): If inhibit_libc is defined, declare
19555 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
19557 * flow.c (make_edge): Accept an optional 2D bitmap in which
19558 to cache edge existence. Update all callers.
19559 (make_label_edge, make_eh_edge): Pass through the edge cache.
19560 (make_edges): Provide the cache.
19562 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19564 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
19566 (local_mbtowc): Change the type of variable `i' from int to size_t.
19568 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
19569 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
19571 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
19573 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
19574 after other includes that define the appropriate types. Include
19575 tm_p.h for getting user prototypes.
19576 * ggc-callbacks.c (toplevel): Ditto.
19577 * ggc-none.c (toplevel): Ditto.
19578 * gcc-page.c (toplevel): Ditto.
19579 * ggc-simple.c (toplevel): Ditto.
19581 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
19582 Jonathan Larmour <jlarmour@cygnus.co.uk>
19584 * config/mips/mips.c (mips_move_2words): Split doubles if
19585 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
19587 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
19589 * genrecog.c (struct decision_test): New.
19590 (struct decision): Remove test-related members, sort the rest by size.
19591 (IS_SPLIT): Simplify.
19592 (new_decision, new_decision_test): New.
19593 (add_to_sequence): Use them. No special handling for args of
19595 (maybe_both_true): Renamed from not_both_true; return sense changed.
19596 (maybe_both_true_1, maybe_both_true_2): New. Broken out
19597 of maybe_both_true and adjusted for decision_test.
19598 (position_merit): Remove.
19599 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
19600 (merge_accept_insn): New, broken out of merge_trees.
19601 (merge_trees): Use them. No special case for c_test; no node
19602 splitting; use test type instead of position_merit.
19603 (factor_tests): New.
19604 (simplify_tests): New.
19605 (break_out_subroutines): Don't write code now.
19606 (find_afterward): New.
19607 (write_afterward, write_switch, write_cond): New.
19608 (write_action, is_unconditional): New.
19609 (write_node): New. Use them.
19610 (write_tree_1): Rewrite. Use the new functions above.
19611 (write_tree): Remove afterward processing.
19612 (write_subroutine): Simplify function variant emission.
19613 (write_subroutines): New.
19614 (same_codes, clear_codes): Remove.
19615 (same_modes, clear_modes): Remove.
19616 (write_header): New, broken out of main.
19617 (make_insn_sequence): Use new_decision and new_decision_test.
19618 (process_tree): New, broken out of main.
19619 (main): Adjust for merge_trees interface change.
19620 Don't #define operands in the output file.
19621 (record_insn_name): New, broken out of make_insn_sequence.
19622 (debug_decision_2, debug_decision_1, debug_decision_0): New.
19623 (debug_decision): New.
19625 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
19627 * resource.c (find_free_register): Mark class_str argument const.
19628 * resource.h: Update prototype to match.
19630 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
19631 * i386.md: Give all anonymous insns names.
19633 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
19635 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
19638 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
19640 * toplev.c (dbr_sched_time): Unconditional.
19641 (peephole2_time): New.
19642 (compile_file): Add pass numbers to all of the dump file suffixes.
19643 Dump peephole2_time. Don't dump times for non-applicable passes.
19644 (rest_of_compilation): Add pass numbers to dump file suffixes.
19645 Conditionalize calls to the scheduler.
19646 * invoke.texi: Update.
19648 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
19650 * flow.c (make_edges): Fix insn iteration.
19651 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
19652 (find_basic_blocks_1): Fix spelling mistake.
19654 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
19656 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
19657 always have side-effects. Use memset not bzero.
19658 (make_node): Likewise.
19660 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
19662 * stmt.c (expand_anon_union_decl): When any of the elements of the
19663 union is addressable, so is the entire union.
19665 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
19667 * sbitmap.c (sbitmap_ones): Don't set too many bits.
19669 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
19670 * bitmap.c (bitmap_operation): Return true iff TO changed.
19671 (bitmap_equal_p): New.
19672 (bitmap_bit_p): Tidy arithmetic.
19673 (debug_bitmap_file): Likewise.
19675 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
19677 * toplev.c (rest_of_compilation): Turn on cse_not_expected
19678 before cse2 instead of after.
19680 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
19682 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
19685 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19687 * cppinit.c (is_idchar initializer): Loosen tests to accept
19690 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
19692 * mips.md: Define conditional move patterns for floating point
19693 operands and DI mode conditions.
19695 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
19697 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
19698 always have side-effects.
19700 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
19702 * mn10200.c (asm_file_start): Fix typo.
19704 * cppinit.c (is_idchar initializer): Tighten tests for when
19705 to put the table into initialized memory.
19707 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
19708 not an array of rtunion.
19709 * gcc-page.c (ggc_alloc_rtvec): Similarly.
19710 * gcc-simple (ggc_free_rtvec): Similarly.
19712 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
19715 * mbchar.h: Add missing #endif.
19717 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
19718 (FPBIT, DPBIT): Define.
19720 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19722 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
19724 * profile.c (instrument_arcs, output_gcov_string,
19725 tablejump_entry_p): Add static prototypes.
19726 (output_gcov_string): Constify a char*.
19728 * regmove.c (replacement_quality, fixup_match_2): Add static
19731 * resource.h (reg_dead_p): Add extern prototype.
19733 * rtl.c (trim_filename): Add static prototype.
19735 * scan-decls.c (skip_to_closing_brace): Likewise.
19737 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
19738 (expand_end_case): Initialize variable `range'.
19739 (emit_case_nodes): Remove unused prototype `rtx_fn'.
19741 * varasm.c (asm_emit_uninitialised): Add static prototype.
19742 (asm_emit_uninitialised, assemble_variable): Mark parameter with
19745 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19747 * cpplib.c (if_directive_nameo): Add static prototype.
19749 * cse.c (cse_insn): Remove unused variable `p'.
19751 * except.c (create_rethrow_ref, push_entry,
19752 receive_exception_label, new_eh_region_entry, find_func_region,
19753 clear_function_eh_region, process_nestinfo): Add static prototypes.
19754 (get_reg_for_handler): Hide definition.
19755 (process_nestinfo): Initialize variable `extra_handlers'.
19757 * expr.h (expand_builtin_longjmp): Add extern prototype.
19759 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
19761 * function.c (prepare_function_start): Likewise.
19762 (pop_function_context_from): Mark parameter `context' with
19764 (push_temp_slots_for_block, flush_addressof): Hide definition.
19766 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
19767 solve_program_flow_graph, calculate_branch_probs,
19768 function_summary, main, fancy_abort): Add prototypes.
19770 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
19771 (add_hash): Constify a char*.
19773 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
19774 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
19775 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
19777 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
19779 * lists.c (free_list, zap_lists): Likewise.
19781 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19783 * alias.c (nonlocal_reference_p): Add static prototype.
19785 * bitmap.c (bitmap_element_allocate): Prototype args in function
19788 * builtins.c (stabilize_va_list): Add static prototype.
19789 (expand_builtin_va_arg): Constify a char*.
19791 * c-lex.c (getch, put_back, extend_token_buffer_to,
19792 read_line_number, token_getch, token_put_back): Add static
19795 * c-parse.gperf (hash, is_reserved_word): Likewise.
19797 * cccp.c (is_dir_separator): Likewise.
19799 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19801 * graph.h: New file to prototype functions exported by graph.c.
19803 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
19805 * graph.c: Include graph.h.
19807 * toplev.c: Likewise. Remove redundant prototypes.
19809 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
19811 * invoke.texi: Removed duplicated description for -Q.
19813 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
19815 * extend.texi: Grammar fix in __extension__ text.
19817 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
19819 * md.texi (define_peephole2): New section.
19821 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
19823 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
19824 (mov $-1 to or peepholer): Enable for pentium when optimizing for
19827 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
19829 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
19831 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
19833 * i386.md (ffs expander): Emit Pentium friendly code for
19836 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
19838 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
19840 (build1): Likewise.
19842 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19844 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
19846 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
19848 * config/m68k/m68k.c (use_return_insn): Return false if the pic
19849 register is in use.
19851 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19853 * md.texi (No Constraints): Delete section.
19854 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
19855 * final.c (final_scan_insn): We always have register constraints.
19856 * genattrtab.c: Don't include "insn-config.h".
19857 (write_attr_case): We always have register constraints.
19858 * genconfig.c (register_constraint_flag): Delete.
19859 (walk_insn_part): Don't check whether we have register constraints.
19860 (main): Don't write out "#define REGISTER_CONSTRAINTS".
19861 * genoutput.c (have_constraints): Delete.
19862 (main): Don't set it.
19863 (output_operand_data): We always have constraints.
19864 (scan_operands): Likewise.
19865 (compare_operands): Likewise.
19866 * local-alloc.c (block_alloc): We always have constraints.
19867 (requires_inout): Always compile this function.
19868 * recog.c (extract_insn): We always have constraints.
19869 (constrain_operands, reg_fits_class_p): Always compile these
19871 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
19873 (struct insn_operand_data): Likewise.
19874 * regclass.c (regclass): We always have constraints.
19875 (record_reg_classes, copy_cost, record_address_regs,
19876 auto_inc_dec_reg_p): Always compile these functions.
19877 * regmove.c (regmove_optimize): We always have constraints.
19878 * reload.c (find_reloads): Likewise.
19879 * reload1.c (reload): Likewise.
19880 (reload_cse_simplify_operands): Likewise.
19881 * i860.c (output_delay_insn): Likewise.
19883 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
19885 * iris6.h (BUILD_VA_LIST_TYPE): Define.
19887 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19889 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
19890 for the va_list record.
19892 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
19894 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
19897 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
19899 * alias.c: Include insn-flags.h.
19900 * Makefile.in (alias.o): Update.
19902 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
19904 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
19905 to LTU and GEU. Handle more cases using sbb.
19907 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
19909 * i386.md (truncatexfdf splitters): Do not use subreg.
19910 (fop XFmode patterns): Fix mode in operand testing.
19912 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
19914 * jump.c (jump_optimize_1): Amend last change to test only the
19915 form of the operand, not the insn.
19917 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
19918 not register_operand to determine when B may need preloading.
19920 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
19922 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
19923 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
19924 (call-value patterns): Move to end of file.
19925 (*): Remove mode from label_ref in (pc) context.
19926 (movstrqi): Use memory not general_operand for BLKmode operands.
19927 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
19928 to register_operand operands.
19929 (peep2 patterns): Convert from commented-out peephole patterns.
19931 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19933 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
19934 to BUILT_IN_INIT_DWARF_REG_SIZES.
19935 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
19936 Renamed from BUILT_IN_DWARF_REG_SIZE; call
19937 expand_builtin_init_dwarf_reg_sizes.
19938 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
19939 with __builtin_init_dwarf_reg_size_table.
19940 * dwarf2out.c (struct reg_size_range): Delete.
19941 (expand_builtin_init_dwarf_reg_sizes): New function.
19942 (expand_builtin_dwarf_reg_size): Delete.
19943 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
19944 (expand_builtin_dwarf_reg_size): Don't declare.
19945 * libgcc2.c (dwarf_reg_size_table_initialized): New.
19946 (dwarf_reg_size_table): New.
19947 (init_reg_size_table): New function.
19948 (copy_reg): Use dwarf_reg_size_table.
19949 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
19952 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
19954 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
19955 Correctly build argument list to constructor and destructor functions.
19957 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
19959 * c-tree.h (warn_float_equal): Declare.
19960 * c-decl.c (warn_float_equal): Define.
19961 (c_decode_option): Recognize -W[no-]float-equal.
19962 * c-typeck.c (build_binary_op): Conditionally warn
19963 about equality tests of floating point types.
19964 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
19965 * invoke.texi: Add docs for -Wfloat-equal warning.
19967 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
19969 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
19970 generating RTL directly.
19971 * mips.h (INIT_TARGET_OPTABS): Likewise.
19972 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
19974 * expr.h (init_mov_optab): Delete declaration
19976 * h8300.c (WORD_REG_USED): Update to avoid useless register
19977 saves in interrupt functions and functions which never return.
19979 * cse.c (struct set): Delete inner_dest_loc field.
19980 (cse_insn): Remove assignments to inner_dest_loc field.
19982 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
19984 * ggc-page.c: Don't include <unistd.h> etc taken care of
19985 by "system.h". Include <sys/mman.h> afterward.
19987 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
19989 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
19992 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
19994 * xcoffout.c (xcoffout_declare_function): Add documentation.
19995 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
19996 TARGET_64BIT. Compare constant to -1, not bit pattern.
19997 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
19998 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
20001 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
20003 * dwarf2out.c (add_abstract_origin_attribute): Abort if
20004 origin_die is NULL.
20005 (gen_inlined_enumeration_type_die): Do not abort if the type has
20006 not been writeen out.
20007 (gen_inlined_structure_type_die): Do not abort if the type has
20008 not been writeen out.
20009 (gen_inlined_union_type_die): Do not abort if the type has
20010 not been writeen out.
20011 (gen_tagged_type_instantiation_die): Do not abort if the type
20012 has not been written out.
20014 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20016 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
20018 * reg-stack.c (straighten_stack): Copy hard reg set with
20021 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
20023 * builtins.c (stabilize_va_list): Stabilize array type va_list
20024 to a pointer type, not the base record type.
20025 (expand_builtin_va_copy): Dereference the pointers explicitly;
20026 use the correct size for the copy.
20028 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
20029 (rs6000_va_arg): Likewise.
20031 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
20033 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
20035 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
20037 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
20039 (DECL_BUILT_IN_CLASS): Adjust accordingly.
20041 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
20043 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
20044 (init_ggc): Use it instead of a constant.
20045 (ggc_collect): Bound allocated_last_gc by it.
20047 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
20049 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
20052 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
20054 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
20055 (mips*-*-openbsd*): Let big endian configuration be a fragment.
20056 * configure: Regen.
20057 * config/mips/openbsd.h: New, OpenBSD little endian target.
20058 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
20059 * config/mips/xm-openbsd.h: New, OpenBSD host.
20061 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
20063 * config/m68k/m68k.c (output_function_prologue,
20064 output_function_epilogue): Use
20065 current_function_uses_pic_offset_table instead of regs_ever_live
20066 to decide whether to save/restore pic register.
20067 (legitimize_pic_address): Don't modify regs_ever_live any more.
20069 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
20071 * function.h (struct function): Add x_dont_save_pending_sizes_p.
20072 * stor-layout.c (variable_size): Don't add sizes to the pending
20073 sizes list if x_dont_save_pending_sizes_p is set.
20075 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
20077 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
20078 for symbolic_operand().
20079 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
20081 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20083 * combine.c (gen_rtx_combine): Add missing call to va_end().
20085 * final.c (asm_fprintf): Likewise.
20087 * genattrtab.c (attr_rtx): Likewise.
20089 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
20091 * cse.c: Update comments.
20092 (cse_insn): When converting a conditional/computed jump into
20093 an unconditional jump, always make sure a BARRIER immediately
20094 follows the converted jump. Do not delete unreachable code.
20095 (cse_basic_block): Do not delete unreachable code.
20096 * toplev.c (rest_of_compilation): Move call to
20097 delete_trivially_dead_insns after the conditional call to
20100 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20102 * collect2.c (make_temp_file): Don't prototype.
20104 * gcc.c (make_temp_file): Likewise.
20106 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
20108 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
20110 * varasm.c (asm_emit_uninitialised): New function: Generate
20111 the assembler statements necessary to declare an uninitialised
20113 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
20115 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
20116 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
20118 (assemble_variable): Use asm_emit_uninitialised to emit an
20119 uninitialised variable.
20121 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
20123 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
20124 constant on a 64 bit host. Patch supplied by Geoffrey Keating
20125 <geoffk@cygnus.com>.
20127 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20129 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
20130 * c-common.h (builtin_function): Don't declare.
20132 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
20134 (pushdecl): Likewise.
20135 (finish_decl): Likewise.
20136 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
20137 int. All callers changed.
20138 Set the builtin's DECL_BUILT_IN_CLASS.
20139 * tree.h (enum built_in_class): New.
20140 (enum built_in_function): Delete NOT_BUILT_IN.
20141 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
20143 (DECL_SET_FUNCTION_CODE): Likewise.
20144 (DECL_BUILT_IN_CLASS): New macro.
20145 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
20146 (struct tree_decl): Split builtin function code field into a
20148 (builtin_function): Declare.
20150 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
20152 * optabs.c (init_traps): Fix typo in last change.
20154 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
20156 * toplev.c (rest_of_decl_compilation): Update comment.
20158 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20160 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
20161 in .sbss if appropriate.
20162 (EXTRA_SECTION_FUNCTIONS): Add sbss.
20163 (SBSS_SECTION_ASM_OP): New macro.
20164 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
20165 (EXTRA_SECTIONS): Add in_sbss.
20166 * config/mips/mips.h: Prototype sbss_section.
20168 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
20170 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
20173 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
20175 * optabs.c (init_traps): Register trap_rtx as a GC root.
20177 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20179 * config/mips/mips.c (function_arg_pass_by_reference): Define
20180 unconditionally, since it's called unconditionally.
20182 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20184 * toplev.c (documented_lang_options): Add -fshort-wchar.
20185 * c-decl.c (c_decode_option): Likewise.
20186 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
20188 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
20189 * gcc.c (default_compilers): If -fshort-wchar,
20190 override __WCHAR_TYPE__.
20191 * tm.texi (C Dialect Options): Add -fshort-wchar.
20193 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
20194 symbol for a variable.
20196 * cpplib.h (CPP_PREPROCESSED): New macro.
20197 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
20198 we're seeing this input for a second time.
20200 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
20202 * emit-rtl.c (init_emit_once): Initialize modes first.
20204 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
20206 * config/i386/i386.c (pic_label_name): Change to char pointer.
20207 (global_offset_table): New variable.
20208 (load_pic_register): Fill global_offset_table if it hasn't
20209 already been done. Allocate pic_label_name dynamically.
20210 * ggc.h (empty_string): New variable.
20211 * ggc-simple.c (empty_string): Likewise.
20212 (init_ggc): Allocate empty_string and add as root.
20213 * stmt.c (digit_strings): New variable.
20214 (init_stmt): Add last_block_end_note as root. Allocate and
20215 initialize digit_strings.
20216 (expand_asm_operands): Use empty_string instead of string
20217 constant. Use digit_strings instead of string constants.
20218 * profile.c (init_arc_profiler): Allocate string with
20219 ggc_alloc_string instead of xmalloc.
20220 (output_func_start_profiler): Likewise.
20221 * c-typeck.c (digest_init): Check if init is error_mark_node.
20223 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
20224 Richard Henderson <rth@cygnus.com>
20226 * ggc-page.c: New file.
20227 * Makefile.in (ggc-page.o): New.
20229 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
20231 * invoke.texi: Document -fdelete-null-pointer-checks
20232 * toplev.c (flag_delete_null_pointer_checks): New.
20233 (f_options): Add entry for -fdelete-null-pointer-checks.
20234 (rest_of_compilation): Conditionalize null pointer check
20235 elimination on flag_delete_null_pointer_checks.
20236 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
20238 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
20240 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
20241 copyright notice and special exception to GPL.
20243 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20245 * abi64.h (mips_function_value): Add prototype arguments.
20247 * mips-protos.h: New file with mips prototypes.
20249 * mips.c: Include "tm_p.h".
20250 (mktemp, lookup_name): Add prototype arguments.
20251 (extern_list, string_constant, mips_fill_delay_slot,
20252 mips_output_external, mips_output_external_libcall,
20253 mips_output_filename, mips_declare_object, function_prologue,
20254 mips_expand_prologue, function_epilogue, mips16_constant,
20255 build_mips16_function_stub, mips_output_conditional_branch):
20257 (mips_va_start): Remove unused variable `u'.
20258 (mips_va_arg): Cast value to unsigned when comparing against one.
20260 (save_restore_insns, mips_expand_prologue): Add missing arg in
20261 call to `large_int'.
20263 * mips.h: Move prototypes to mips-protos.h.
20264 (data_section, memory_address_p, rdata_section,
20265 readonly_data_section, simple_epilogue_p, text_section): Delete
20266 prototypes delcared elsewhere.
20267 (mips_epilogue_delay_slots, print_options): Delete unused decls.
20269 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
20271 * mips.md: Delete extra args in call to `mips_move_2words'.
20273 * xm-iris6.h (alloca): Add prototype argument.
20275 * genpeep.c: Include "tm_p.h" in generated output file.
20277 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20279 * basic-block.h (find_edge_index): Change parameters.
20280 * flow.c (verify_edge_list): Pass basic_block parameters to
20281 find_edge_index instead of integers.
20283 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
20285 * combine.c (simplify_comparison): Use an unsigned shift to adjust
20288 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
20290 * gcc.1: Fix a formatting error.
20292 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
20294 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
20295 i786, mn10200, mn10300, pdp11, v850.
20297 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
20299 * libgcc2.c (num_digits): Add prototype with
20300 __attribute__((const)).
20301 (__terminate): Add prototype.
20303 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
20305 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
20307 * alpha/alpha.c (print_operand): Fix type of `code'.
20308 (alpha_output_filename): Constify.
20309 * alpha/alpha.h: Move all function declarations ...
20310 * alpha/alpha-protos.h: ... here. New file.
20311 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
20312 (SECTION_FUNCTION_TEMPLATE): Likewise.
20314 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20316 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
20317 * expr.c (expand_expr): Likewise.
20318 (do_jump): Likewise.
20319 (do_store_flag): Pass ccp_store_flag to can_compare_p.
20320 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
20322 (enum can_compare_purpose): New.
20323 (can_compare_p): Adjust prototype.
20324 (prepare_cmp_insn, prepare_operand): Declare.
20325 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
20326 * optabs.c (cmp_available_p): Deleted.
20327 (expand_abs): Pass ccp_jump to can_compare_p.
20328 (can_compare_p): New arg PURPOSE. Check for combined optabs.
20329 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
20330 Call can_compare_p rather than cmp_available_p.
20331 (prepare_operand): No longer static.
20332 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
20333 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
20334 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
20335 sequence to use emit_cmp_and_jump_insns.
20336 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
20338 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
20340 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
20341 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
20342 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
20343 (plus (reg) (const_int 0))
20344 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
20346 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
20348 * rs6000.c (expand_block_move): DImode loads and stores require
20349 word-aligned displacements. Increment address registers with
20350 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
20352 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
20354 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
20355 is no name for the base type, rather than segfault. If we are
20356 writing out a complex integer type, use DW_ATE_lo_user.
20358 * expr.c (emit_move_insn_1): If we are copying a complex that fits
20359 in one word or less (complex char, complex short, or on 64 bit
20360 systems complex float) to/from a hard register, copy it through
20361 memory instead of dying in gen_{real,imag}part. If we have a
20362 short complex type, prevent inlining since it allocates stack
20365 * tree.c (build_complex_type): If we are writing dwarf2 output,
20366 generate a name for complex integer types.
20368 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20370 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
20371 * flow.c (remove_edge): Remove extra whitespace.
20372 (remove_fake_edges): Fix comment.
20373 (add_noreturn_fake_exit_edges): Use the correct name.
20375 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
20377 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
20378 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
20379 (clean): Depend on INTL_CLEAN.
20380 (maintainer-clean): Adjust.
20382 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20384 * configure.in (AC_PREREQ): Bump to 2.13.
20385 (AC_C_STRINGIZE): Call this instead of using a custom macro.
20387 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
20389 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
20391 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
20393 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
20394 (HAVE_STRINGIZE): Define.
20396 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
20398 * c-parse.in: save and restore warn_pointer_arith on __extension__
20399 along with pedantic.
20400 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
20401 Set the type of extension to itype rather than $<itype>1 kludge.
20402 * extend.texi (Alternate Keywords): Adjust documentation.
20403 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
20405 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
20407 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
20408 most assembler templates.
20410 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
20411 FP loads and stores.
20412 (following_call): Always return zero for the PA8000.
20413 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
20414 FP loads and stores.
20415 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
20417 * pa.h (BRANCH_COST): Define.
20419 * pa.md (return, return_internal): Use bve for PA2.0.
20421 * pa.md (fused multiply): Add variants which reduce height for the
20422 fused multiply, but which still generate 2 insns.
20423 (fnegabs): Similarly.
20425 * pa.md (subsi3): Turn into an expander. Create two anonymous
20426 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
20427 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
20429 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
20431 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
20433 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
20434 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
20436 * regclass.c (init_regs): Add "top_of_stack" as a garbage
20439 * flow.c (record_active_eh_regions): Terminate loop after finding
20440 the last insn in the last basic block.
20442 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20444 * config/c4x/c4x.md: Delete parallel instruction peepholes.
20446 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20448 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
20450 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20452 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
20453 splitting to not use output template.
20455 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20457 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
20458 * config/c4x/c4x.c (c4x_va_start): New function.
20460 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
20462 * genrecog.c (not_both_true): Handle correctly cases when called for
20463 tests with different positions in the insn.
20465 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20467 * machmode.h (HOST_PTR_PRINTF): Move from here ...
20469 * system.h (HOST_PTR_PRINTF): ... to here.
20471 * mips-tfile.c: Don't include machmode.h.
20473 * Makefile.in (MACHMODE_H): New variable. Update to use it.
20474 (mips-tfile.o): Don't depend on machmode.h.
20476 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20478 * haifa-sched.c (sched_analyze): Rename local variable `region' to
20479 avoid conflicts with typedef struct `region' at the top level scope.
20481 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
20483 * basic-block.h (basic_block): Add eh_beg, eh_end.
20484 * flow.c (entry_exit_blocks): Update.
20485 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
20486 Call new functions.
20487 (find_basic_blocks_1): Don't record eh_list at each bb. Use
20488 lists.c functions to allocate insn lists.
20489 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
20491 (make_eh_edge): ... here. New.
20492 (move_stray_eh_region_notes): New.
20493 (record_active_eh_regions): New.
20494 (delete_unreachable_blocks): Split out block merging ...
20495 (try_merge_blocks): ... here. New.
20496 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
20497 Dump debugging data.
20498 (merge_blocks_move_successor_nojumps): Likewise.
20499 (merge_blocks): Use eh_beg+eh_end to validate block movement.
20501 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
20503 * extend.texi (Bound member functions): Document unbound pmf
20506 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20508 * flow.c (split_edge): Handle insertion on a fallthrough edge which
20509 has the EXIT_BLOCK as a dest.
20511 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20513 * flow.c (remove_edge): New function to remove an edge from the
20515 (remove_fake_successors): New function to remove fake successor edges.
20516 (remove_fake_edges): New function to remove all fake edges from the
20518 (add_fake_exit_edges): New function to add fake edges from all blocks
20519 with no successors to the exit block.
20520 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
20521 prototypes for new functions.
20523 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20525 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
20526 Use Pmode to determine whether to output .dword or .word.
20528 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
20530 * tree.c (built_in_filename): New variable.
20531 (BUILT_IN_FILENAME): New macro.
20532 (init_tree_codes): Allocate built_in_filename.
20533 (make_node): Use built_in_filename instead of string constant.
20535 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
20537 * configure.in: Add fr30 target.
20538 * configure: Regenerate.
20539 * config/fr30: New directory.
20540 * config/fr30/crti.asm: New file.
20541 * config/fr30/fr30.c: New file.
20542 * config/fr30/crtn.asm: New file.
20543 * config/fr30/fr30.h: New file.
20544 * config/fr30/fr30.md: New file.
20545 * config/fr30/lib1funcs.asm: New file.
20546 * config/fr30/t-fr30: New file.
20547 * config/fr30/xm-fr30.h: New file.
20549 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
20551 * flow.c (merge_blocks_move_successor_nojumps): Delete the
20552 BARRIER at the end of the successor, not the BARRIER before
20555 * pa.c (pa_add_gc_roots): Fix thinko in last change.
20557 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
20559 * stmt.c (any_pending_cleanups): Don't crash when
20560 current_function->stmt is unset.
20562 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20564 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
20565 other initializations that may use it for relative offsets.
20567 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20569 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
20570 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
20571 * config/i386/sol2dbg.h: Removed.
20572 * config/i386/sol2gas.h: New file, to enable gas work-around.
20573 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
20574 Don't use sol2dbg.h.
20575 * configure: Rebuilt.
20577 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
20579 * invoke.texi (-fthis-is-variable): Remove documentation.
20581 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
20583 * basic-block.h (compute_bb_for_insn): Declare.
20584 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
20585 to use; set size of basic_block_for_insn directly.
20586 (find_basic_blocks): Update.
20588 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20590 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
20592 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20594 * crtstuff.c (ON_EXIT): Delete empty macro definition.
20595 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
20597 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
20599 * c-decl.c (c_decode_option): Extend comment.
20601 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
20603 * toplev.c (progname): Make 'const char *'
20604 (flag_print_mem): Move out of main.
20605 (version_flag): Move out of main.
20606 (filename): Move out of main.
20607 (debug_args): Remove g prefix from options.
20608 (documented_lang_options): Remove cpplib specific options.
20609 (display_help): Add g prefix to debug options.
20610 (check_lang_option): Delete this function.
20611 (decode_d_option): New function: Decode -d... option.
20612 (decode_f_option): New function: Decode -f... option.
20613 (decode_W_option): New function: Decode -W... option.
20614 (decode_g_option): New function: Decode -g... option.
20615 (independent_decode_option): New function: Decode a language
20616 independent command line option.
20617 (main): Invoke lang_decode_option and then
20618 independent_decode_option on each command line option in
20621 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
20623 Revert this change. Gavin's patch to operand_equal_p is a better fix.
20624 * fold-const.c (fold_range_test): Do not try to fold the range
20625 test if the rhs or lhs has side effects.
20627 * basic-block.h (compute_flow_dominators): Declare.
20629 * gcse.c (alloc_code_hoist_mem): New function.
20630 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
20631 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
20632 (hoist_code, one_code_hoisting_pass): Likewise.
20633 (gcse_main): If optimizing for size, then hoist expressions
20634 computed in multiple dominated basic blocks.
20636 * gcse.c (invalid_nonnull_info): New function.
20637 (delete_null_pointer_checks): Likewise.
20638 * rtl.h (delete_null_pointer_checks): Declare.
20639 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
20641 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
20642 (merge-blocks_move_successor_nojumps): Likewise.
20643 (merge_blocks): Allow merging of some blocks, even if it requires
20644 physical movement of the blocks, but not if it requires new jumps.
20646 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
20647 Callers and prototype changed.
20648 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
20650 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20652 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
20653 -YP when both -p and -pg are present. From i386/sol2.h.
20655 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20657 * Makefile.in (distclean): Delete tm_p.h.
20658 * configure.in: Create a new file, "tm_p.h", from a list in
20659 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
20660 "i386/i386-protos.h".
20662 * alias.c: Include "tm_p.h".
20663 * c-typeck.c: Likewise.
20664 * calls.c: Likewise.
20666 * emit-rtl.c: Likewise.
20667 * explow.c: Likewise.
20668 * expmed.c: Likewise.
20669 * expr.c: Likewise.
20670 * final.c: Likewise.
20671 * flow.c: Likewise.
20672 * fold-const.c: Likewise.
20673 * function.c: Likewise.
20674 * gcse.c: Likewise.
20675 * global.c: Likewise.
20676 * haifa-sched.c: Likewise.
20677 * integrate.c: Likewise.
20678 * jump.c: Likewise.
20679 * local-alloc.c: Likewise.
20680 * loop.c: Likewise.
20681 * optabs.c: Likewise.
20682 * recog.c: Likewise.
20683 * reg-stack.c: Likewise.
20684 * regclass.c: Likewise.
20685 * regmove.c: Likewise.
20686 * reload.c: Likewise.
20687 * reload1.c: Likewise.
20688 * reorg.c: Likewise.
20689 * resource.c: Likewise.
20690 * stmt.c: Likewise.
20691 * stor-layout.c: Likewise.
20692 * toplev.c: Likewise.
20693 * tree.c: Likewise.
20694 * unroll.c: Likewise.
20695 * genattrtab.c (main): Make generated file include "tm_p.h".
20696 * genemit.c (main): Likewise.
20697 * genoutput.c (main): Likewise.
20698 * genrecog.c (main): Likewise.
20700 * i386.h: Delete all prototypes.
20701 * i386.c: Include "tm_p.h".
20702 (ix86_attr_length_default): Call constant_call_address_operand
20703 with correct number of arguments.
20704 * i386-protos.h: New file.
20705 * i386.md (unnamed patterns): Call constant_call_address_operand
20706 with correct number of arguments.
20707 (exception_receiver): Call load_pic_register with correct number
20710 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
20712 * c-pragma.c (mark_align_stack): Dereference the void* properly.
20714 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
20716 * rtl.h (insns_safe_to_move_p): New function.
20717 * loop.c (find_and_verify_loops): Use it.
20718 * rtlanal.c (insns_safe_to_move_p): Define it.
20720 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
20722 * c-pragma.c: Include ggc.h.
20723 * Makefile.in (c-pragma.o): Update.
20725 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20727 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
20728 (LIB_SPEC): Likewise.
20729 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
20730 Reindent -YP/-p/-pg.
20731 Copied from config/sparc/sol2.h.
20733 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
20735 * c-pragma.c (mark_align_stack): New.
20736 (init_pragma): New.
20737 * c-pragma.h (init_pragma): Declare it.
20738 * c-lex.c (init_parse): Call it.
20740 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20742 * configure.in: Pick up thread library on Solaris/x86 just
20743 like on Solaris/sparc.
20744 * configure: Rebuilt.
20746 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
20748 * rtl.h (global_rtx_index): New enum.
20749 (global_rtl): Change to array of rtx.
20750 (pc_rtx, cc0_rtx): Redefine accordingly.
20751 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
20752 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
20753 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
20754 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
20755 (const_int_rtx): Change to array of rtx.
20756 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
20758 * emit-rtl.c (global_rtl): Change to array of rtx.
20759 (const_int_rtx): Change to aray of rtx.
20760 (gen_rtx_CONST_INT): Redefine accordingly.
20761 (init_emit_once): Allocate and initialize global_rtl. Likewise
20762 for const_int_rtx. Add both as GC roots.
20763 * genattrtab.c (global_rtl): Update declaration.
20765 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
20767 * Makefile (USER_H): Add iso646.h back.
20769 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
20771 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
20772 zapping the LOG_LINKS of sched_before_next_call.
20774 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
20775 * pa.c (insn_refs_are_delayed): Renamed from
20776 insn_sets_and_refs_are_delayed.
20778 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
20780 * functiion.h (struct function): Add x_whole_function_mode_p.
20781 (retrofit_block): Declare.
20782 * function.c (retrofit_block): New function.
20783 (identify_blocks): Add assertions. Allow an incomplete set of
20784 block notes if we're still generating code for the function.
20785 * integrate.c: Include loop.h.
20786 (expand_inline_function): Call find_loop_tree_blocks to map block
20787 notes to blocks when in whole-function mode. Use retrofit_block
20788 to insert new BLOCKs for the inlined function, rather than
20790 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
20791 * Makefile.in (integrate.o): Depend on loop.h.
20793 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
20795 * tree.h (warn_about_unused_variables): Declare.
20796 * stmt.c (warn_about_unused_variables): New function, split out
20798 (expand_end_bindings): Here.
20800 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
20802 * stmt.c (preserve_subexpressions_p): Don't crash when
20803 current_function->stmt is unset.
20805 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
20807 * stmt.c (expand_start_bindings): Allow callers to pass a flag
20808 indicating that no NOTE_INSN_BLOCK_BEG note is required.
20809 (expand_start_target_temps): Use it.
20810 * except.c (expand_eh_region_start_for_decl): Likewise.
20811 * expr.c (expand_expr): Likewise.
20813 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
20815 * fold-const.c (operand_equal_p): Pay attention to side effects.
20817 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
20819 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
20820 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
20822 * tlink.c (scan_linker_output): Look for keywords before accepting
20823 a mangled name in quotes.
20825 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
20827 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
20828 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
20830 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
20832 * alpha.md: Revert Thu Nov 26 change that came in through the
20833 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
20834 Avoid earlyclobber when possible.
20836 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20838 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
20840 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
20841 Define HAVE_ON_EXIT.
20843 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20845 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
20846 CTYPE_CONV in all ctype macros.
20848 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
20851 * cexp.y (initialize_random_junk): Likewise.
20853 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
20855 * i370.c (handle_pragma): Likewise.
20857 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
20859 * v850.c (override_options): Likewise.
20861 * doprint.c (_doprnt): Likewise.
20863 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
20866 * fixinc/server.c (load_data): Likewise.
20868 * fold-const.c (real_hex_to_f): Likewise.
20870 * genattr.c (write_upcase, gen_attr): Likewise.
20872 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
20873 write_upcase): Likewise.
20875 * genemit.c (print_code): Likewise.
20877 * genopinit.c (gen_insn): Likewise.
20879 * genpeep.c (print_code): Likewise.
20881 * genrecog.c (print_code): Likewise.
20883 * optabs.c (init_libfuncs): Likewise.
20885 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
20887 * haifa-sched.c (sched_analyze): Keep the list of notes organized
20889 (reemit_notes): Likewise.
20891 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
20893 * ggc.h (ggc_root): Move to ggc-common.c.
20895 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
20896 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
20897 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
20898 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
20899 * ggc-common.c (ggc_root): Move from ggc.h.
20900 (roots): Declare, static.
20901 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
20902 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
20903 null or check/set mark bit.
20904 (ggc_mark_roots): New.
20905 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
20907 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
20909 * m32r.c: Include toplev.h.
20910 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
20911 (gen_compare): Rename swap_p to must_swap to match uses.
20912 Add default abort case.
20913 (m32r_output_function_epilogue): Remove unused variables.
20914 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
20915 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
20916 define to empty parameter list. Update all uses.
20917 (predicate decls): Use enum machine_mode not int.
20918 * m32r.md (movsi): Call abort, not fatal_insn.
20919 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
20921 1999-09-14 Andrew Haley <aph@cygnus.com>
20923 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
20924 use $0 instead of 0.
20926 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20928 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
20929 computation out of loop over hard regs.
20931 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
20933 * function.c (identify_blocks): Don't shadow a variable in an
20935 * integrate.c (integrate_decl_tree): Don't use pushlevel,
20936 pushdecl, or poplevel to build up the new BLOCK tree.
20937 (expand_inline_function): Likewise.
20938 (integrate_parm_decls): Likewise.
20940 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
20942 * c-typeck.c (qualify_type): Merge qualifiers from both types.
20944 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
20946 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
20947 * invoke.texi: Document this change.
20949 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
20951 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
20953 (mark_emit_status): Renamed from mark_emit_state.
20954 * except.c (mark_eh_status): Renamed from mark_eh_state.
20955 Check not null before marking.
20956 (free_eh_status): New.
20957 * expr.c (mark_expr_status, free_expr_status): New.
20958 * function.c (free_machine_status): New.
20959 (free_after_parsing): New.
20960 (free_after_compilation): Move bits to free_after_parsing; call
20961 free_eh_status, free_expr_status; zero the marked members of the
20963 (prepare_function_start): No can_garbage_collect.
20964 Call init_eh_for_function.
20965 (expand_dummy_function_end): Free up current_function state.
20966 (mark_function_status): Renamed from mark_function_state.
20967 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
20968 * function.h (struct function): No can_garbage_collect.
20969 (free_machine_status, free_after_parsing): Declare.
20970 (free_eh_status, free_expr_status): Declare.
20971 * ggc.h (mark_expr_status): Declare.
20972 * stmt.c (free_stmt_status): Free the struct.
20973 (mark_stmt_status): Renamed from mark_stmt_state.
20974 (init_stmt): Don't call init_eh.
20975 (init_stmt_for_function): Don't call init_eh_for_function.
20976 * toplev.c (compile_file): Call init_eh.
20977 (rest_of_compilation): Free basic block info before ggc_collect.
20978 Call free_after_parsing; conditionally call free_after_compilation.
20979 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
20980 Check not null before marking.
20981 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
20983 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
20985 * c-lex.c (yylex): Initialize warn.
20987 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
20989 * pa.c (emit_move_sequence): Properly set the mode of the scratch
20990 register when performing secondary reloads for the SAR register.
20992 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
20994 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
20995 (NOTE_BLOCK): New macro.
20996 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
20997 * function.h (identify_blocks): Change prototype.
20998 * function.c (identify_blocks): Simplify.
20999 (reorder_blocks): Likewise.
21000 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
21001 NOTE_INSN_BLOCK_{BEG,END}.
21002 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
21003 the list of saved notes if the note isn't a
21004 NOTE_INSN_BLOCK_{BEG,END}.
21005 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
21007 (reemit_notes): Adjust recreation of notes to reflect new saved
21009 * print-rtl.c (print_rtx): Print the address of the BLOCK when
21010 printing a block note.
21011 * stmt.c (block_vector): Remove.
21012 (find_loop_tree_blocks): Simplify.
21013 (unroll_block_trees): Likewise.
21014 * tree.h (reorder_block): Change prototype.
21016 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
21018 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
21019 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
21020 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
21021 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
21022 (atexit, exit): Simplify.
21023 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
21024 * config/lots: Remove defns of HAVE_ATEXIT.
21026 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
21028 * calls.c (precompute_arguments): Fix typo in comment.
21029 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
21032 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
21034 * dsp16xx.c (override_options): Fix typos in GC root registration.
21036 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
21038 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
21039 from config/svr4.h.
21040 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
21041 (FUNCTION_PROFILER): Redefine appropriately for Linux.
21042 (CC1_SPEC): Likewise.
21044 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21046 * genattr.c (main): Add extern prototype. Call return, not exit.
21047 * genattrtab.c (main): Likewise.
21048 * gencheck.c (main): Likewise.
21049 * gencodes.c (main): Likewise.
21050 * genconfig.c (main): Likewise.
21051 * genemit.c (main): Likewise.
21052 * genextract.c (main): Likewise.
21053 * genflags.c (main): Likewise.
21054 * gengenrtl.c (main): Likewise.
21055 * genopinit.c (main): Likewise.
21056 * genoutput.c (main): Likewise.
21057 * genpeep.c (main): Likewise.
21058 * genrecog.c (main): Likewise.
21060 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
21061 * genattrtab.c (get_insn_name): Likewise.
21062 * gencodes.c (get_insn_name): Likewise.
21063 * genconfig.c (get_insn_name): Likewise.
21064 * genemit.c (get_insn_name): Likewise.
21065 * genextract.c (get_insn_name): Likewise.
21066 * genflags.c (get_insn_name): Likewise.
21067 * genopinit.c (get_insn_name): Likewise.
21068 * genpeep.c (get_insn_name): Likewise.
21070 * gencheck.c (usage): Add static prototype.
21071 * genextract.c (print_path): Constify a char*.
21072 * genopinit.c (optabs): Likewise.
21073 * genoutput.c (operand_data, data, output_predicate_decls,
21074 compare_operands): Likewise.
21075 * genrecog.c (write_tree): Add default case in switch.
21077 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21079 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
21081 * print-rtl.c (get_insn_name): Remove prototype.
21083 * toplev.h (progname): Declare const.
21085 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
21086 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
21087 dump_sched_info, dump_local_alloc, regset_release_memory,
21088 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
21089 error_with_file_and_line, error_with_decl, error_for_asm, error,
21090 fatal, warning_with_file_and_line, warning_with_decl, warning,
21091 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
21092 Remove redundant prototypes.
21094 (notice, check_lang_option, report_file_and_line, vnotice,
21095 mark_file_stack): Add static prototype.
21096 (set_fatal_function): Add prototype.
21097 (vnotice, report_file_and_line, set_fatal_function,
21098 check_lang_option): Constify a char*.
21099 (main): Prototype. Call return, not exit.
21101 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21103 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
21105 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
21107 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
21109 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
21111 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21113 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
21114 behave as if it's zero in all cases.
21115 (expand_function_start): Adjust call to assign_parms.
21116 * tree.h (assign_parms): Adjust prototype.
21117 * objc/objc-act.c (hack_method_prototype): Adjust call to
21120 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
21122 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
21123 arg_pointer_rtx fixed if the argument pointer register is
21125 (NONZERO_BASE_PLUS_P): Likewise.
21127 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
21129 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
21130 match_insn2 to match_insn.
21131 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
21133 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
21135 * Makefile.in (USER_H): Remove va-foo.h.
21137 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
21138 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
21139 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
21140 va-spur.h,va-v850.h}: Remove.
21142 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
21144 * sparc/sparc.md (eligible_for_return_delay): New attribute.
21145 (in_return_delay): Use it instead of match_insn.
21147 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21149 * config/alpha/va_list.h (va-alpha.h): Do not include.
21150 (__gnuc_va_list): Typedef as in varargs.h.
21152 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
21154 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
21155 DECL_LIVE_RANGE_RTL.
21157 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
21159 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
21160 not NOTE_BLOCK_NUMBER.
21161 (expand_eh_region_end): Likewise.
21162 (find_exception_handler_labels): Likewise.
21163 (scan_region): Likewise.
21164 (exception_optimize): Likewise.
21165 (update_rethrow_references): Likewise.
21166 (set_insn_eh_region): Likewise.
21167 * final.c (final_scan_insn): Likewise.
21168 * flow.c (make_edges): Likewise.
21169 * integrate.c (expand_inline_function): Likewise.
21170 * print-rtl.c (print_rtx): Likewise.
21172 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
21174 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
21175 terms of builtin functions and types.
21177 * mips.c (mips_build_va_list): New.
21178 (mips_va_start, mips_va_arg): New.
21179 * mips.h (BUILD_VA_LIST_TYPE): New.
21180 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
21182 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
21183 (sh_build_va_list, sh_va_start, sh_va_arg): New.
21184 * sh.h (BUILD_VA_LIST_TYPE): New.
21185 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
21187 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
21189 * recog.h (struct recog_data): Make dup_num, operand_address_p,
21190 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
21191 (struct insn_data): Likewise with n_operands, n_dups,
21192 n_alternatives, output_format.
21193 * regclass.c (scan_one_insn): Cast n_operands to int before
21194 arithmetic inside comparison.
21196 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
21198 * toplev.c (compile_function): Unconditionally emit nop.
21200 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21202 * haifa-sched.c (actual_hazard): Move declaration of variable
21203 `this_cost' into the scope where it is used.
21205 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21207 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
21208 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
21209 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
21211 * genrecog.c (make_insn_sequence): Call memset, not bzero.
21213 * jump.c (find_insert_position): Don't declare or define unless
21214 !HAVE_conditional_arithmetic.
21215 (returnjump_p_1, delete_prior_computation): Add static prototypes.
21217 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
21219 * recog.c (offsettable_address_p): Prototype function pointer.
21220 (preprocess_constraints): Call memset, not bzero.
21222 * tree.c (tree_node_kind_names): Constify a char*. Make static.
21223 (gcc_obstack_init): Don't declare.
21224 (fix_sizetype): Add static prototype.
21225 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
21226 (tree_cons): Call memset, not bzero.
21228 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
21229 definition in macro ASM_WEAKEN_LABEL.
21230 (mark_const_hash_entry): Add static prototype.
21232 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21234 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
21236 * unroll.c (find_common_reg_term, subtract_reg_term,
21237 loop_find_equiv_value): Add static prototypes.
21238 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
21239 (copy_loop_body): Remove unreachable break statement.
21241 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
21243 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
21245 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21247 Undo some changes from the gcc2 merge:
21248 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
21249 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
21253 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
21254 * emit-rtl.c (gen_lowpart_common): Disable optimization of
21255 initialized float-int union if the value is a NaN.
21257 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
21259 * gthr-win32.h: New file.
21261 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
21262 shared as a valid attribute.
21263 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
21264 * extend.texi: Document `shared' variable attribute.
21266 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
21268 * configure.in: Handle --enable-threads on FreeBSD.
21269 * configure: Rebuit.
21271 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
21273 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
21275 * configure: Rebuilt.
21277 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
21278 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
21279 Rosimildo DaSilva <rdasilva@connecttel.com>
21281 * configure.in (m68k-*-rtemscoff*): Added.
21282 * configure.in (mips64orion-*-rtems*): Converted to ELF.
21283 * configure.in (sparc-*-rtemsaout*): Added as alias for old
21284 sparc-rtems configuration.
21285 * configure.in (sparc-*-rtemself*): Added.
21286 * configure.in (sparc-*-rtems*): Now ELF not a.out.
21287 * config/i386/rtems.h: Added comment.
21288 * config/sparc/rtemself.h: New file.
21290 * configure.in (m68k-rtemself): Added.
21291 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
21292 and DWARF_DEBUGGING_INFO.
21293 * config/m68k/crti.s: New file.
21294 * config/m68k/crtn.s: New file.
21295 * config/m68k/t-crtstuff: New file.
21296 * config/m68k/rtemself.h: New file.
21298 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
21299 global ctor/dtor and C++ exception handling.
21300 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
21301 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
21303 * config/i386/t-rtems-i386: New File.
21305 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
21307 * stmt.c (expand_end_case): Return right away if the case stack is
21310 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
21312 * Makefile.in (version.c): Remove rule incorrectly brought in from
21315 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
21317 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
21318 * msdos/top.sed: Take into account a prepended $(SHELL) to
21320 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
21322 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
21324 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21326 * regmove.c (fixup_match_1): Don't change an unchanging register.
21327 (stable_but_for_p): Renamed to:
21328 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
21329 Changed all callers.
21331 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
21333 * loop.c (strength_reduce): Don't call reg_used_between_p if the
21334 insn from BL2 is after the insn from BL.
21336 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
21338 * recog.h (INSN_OUTPUT_FORMAT_*): New.
21339 (struct insn_data): Merge `template' and `outfun' into `output'.
21340 Add `output_format'.
21341 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
21342 (struct data): Remove `outfun'; add `output_format'.
21343 (name_for_index): Remove declaration.
21344 (output_insn_data): Handle output formats.
21345 (process_template): Emit the bare array for @.
21346 (gen_expand, gen_split): Set output_format to NONE.
21347 * output.h (get_insn_template): Declare.
21348 * final.c (get_insn_template): New.
21349 (final_scan_insn): Use it.
21350 * toplev.c (compile_file): Likewise.
21352 * c4x/c4x.c (c4x_process_after_reload): Likewise.
21353 * i860/i860.c (output_delayed_branch): Likewise.
21354 (output_delay_insn): Likewise.
21356 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21358 * rtl.c (obstack_alloc_rtx): Removed.
21360 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
21362 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
21364 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
21366 * i386.c (call_insn_operand): Reject const_int.
21367 (expander_call_insn_operand): Use call_insn_operand.
21369 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21371 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
21373 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
21375 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
21376 Use DImode operation.
21378 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
21380 * gcc.c: Include sys/resource.h.
21381 (report_times): New flag.
21382 (execute): If report_times is set, calculate and report the
21383 CPU time consumed by each subprocess.
21385 (rus, prus): New globals.
21386 (option_map): Add --time.
21387 (display_help): Document -time.
21388 (process_command): Set report_times if -time is given.
21389 Turn off -pipe if -time is given.
21391 * invoke.texi: Document new option -time.
21393 * configure.in: Check for getrusage. Check if we have to
21394 prototype getrusage.
21395 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
21396 * configure: Regenerate.
21397 * config.in: Regenerate.
21399 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
21401 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
21404 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
21406 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
21407 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
21408 (nan): Return _thenan_sf or _thenan_df as appropriate.
21409 (L_thenan_sf): Define _thenan_sf.
21410 (L_thenan_df): Define _thenan_df.
21412 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
21413 (DPBIT_FUNCS): Add _thenan_df.
21415 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
21417 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
21420 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21422 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
21425 (lang_specific_driver): Don't take a function pointer parameter.
21426 All callers changed.
21428 * gcc.c: Include gcc.h.
21429 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
21430 lang_specific_extra_outfiles, fatal): Don't declare.
21431 (multilib_defaults_raw): Constify.
21432 (read_specs): Call memset, rather than bzero.
21433 (main): Call return, not exit.
21434 (lookup_compiler): Call memcpy, not bcopy.
21435 (fatal): Make extern.
21437 * cppspec.c: Include gcc.h.
21438 (lang_specific_driver): Initialize variable `quote'. Constify a
21439 char*. All calls to the function pointer parameter now
21440 explicitly call `fatal'.
21442 * gccspec.c (lang_specific_driver): Include gcc.h.
21444 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
21446 * arm.c (note_invalid_constants): Use recog_data.operand_type
21449 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21451 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
21454 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
21455 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
21456 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
21457 reload_secondary_in_reload, reload_secondary_out_reload,
21458 reload_secondary_in_icode, reload_secondary_out_icode,
21459 reload_reg_rtx, reload_when_needed): Delete declarations.
21460 (struct reload): New structure.
21461 (rld): Declare new array.
21462 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
21463 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
21464 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
21465 reload_secondary_in_reload, reload_secondary_out_reload,
21466 reload_secondary_in_icode, reload_secondary_out_icode,
21467 reload_reg_rtx, reload_when_needed): Delete definitions.
21469 (whole file): Replace uses of the deleted arrays with uses of rld.
21470 * reload1.c (whole file): Replace uses of the deleted arrays with
21472 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
21473 explicit loops, not with bcopy.
21475 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
21477 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
21478 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
21479 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
21480 insn_name): Delete and consolidate into new structures.
21481 (insn_operand_predicate_fn): New.
21482 (insn_output_fn): New.
21483 (insn_gen_fn): New.
21484 (struct insn_operand_data): New.
21485 (struct insn_data): New.
21487 (OUT_FCN): Update for insn_data change.
21488 * builtins.c (expand_builtin_strlen): Likewise.
21489 (expand_builtin_memcmp): Likewise.
21490 * combine.c (make_extraction, simplify_comparison): Likewise.
21491 * cse.c (canon_reg, cse_insn): Likewise.
21492 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
21493 * expmed.c (store_bit_field, extract_bit_field): Likewise.
21494 (emit_store_flag): Likewise.
21495 * expr.c (convert_move, emit_block_move): Likewise.
21496 (clear_storage, emit_push_insn, expand_increment): Likewise.
21497 (do_store_flag): Likewise.
21498 * expr.h (GEN_FCN): Likewise.
21499 (insn_gen_function): Die.
21500 * final.c (final_scan_insn): Update for insn_data change.
21501 (output_asm_name): Likewise.
21502 * function.c (fixup_var_refs_1): Likewise.
21503 * loop.c (check_dbra_loop): Likewise.
21504 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
21505 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
21506 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
21507 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
21508 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
21509 * regmove.c (gen_add3_insn): Likewise.
21510 * reload.c (push_secondary_reload, combine_reloads): Likewise.
21511 (find_reloads, find_reloads_address_1): Likewise.
21512 (debug_reload_to_stream): Likewise.
21513 * reload1.c (emit_reload_insns, gen_reload): Likewise.
21514 * stmt.c (expand_end_case): Likewise.
21515 * toplev.c (compile_file): Likewise.
21517 * c4x/c4x.c (c4x_process_after_reload): Likewise.
21518 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
21520 * print-rtl.c (insn_name_ptr): Remove declaration.
21521 (get_insn_name): Declare.
21522 (print_rtx): Use it.
21523 * genoutput.c (insn_name_ptr): Remove.
21524 (next_operand_number): New.
21525 (struct operand_data): New.
21526 (null_operand, odata, odata_end): New.
21527 (struct data): Use struct operand_data.
21528 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
21529 (get_insn_name): Renamed from name_for_index.
21530 (output_prologue): Define NO_MD_PROTOTYPES.
21531 (output_predicate_decls): Break out from output_epilogue.
21532 Iterate over the operands list.
21533 (output_operand_data): Break out from output_epilogue. Emit
21534 just the operands list.
21535 (output_insn_data): Break out from output_epilogue. Emit just
21537 (output_epilogue): Remove.
21538 (output_get_insn_name): New.
21539 (constraints, op_n_alternatives, predicates, address_p): Die.
21540 (modes, strict_low, seen): Die.
21541 (scan_operands): Take new param `d' instead of writing to
21542 seven global variables.
21543 (compare_operands): New.
21544 (place_operands): New.
21545 (validate_insn_alternatives): Update for struct data change.
21546 (gen_insn): Don't zero or copy 7 global arrays. Update for
21547 scan_operands; call place_operands.
21548 (gen_peephole, gen_expand, gen_split): Likewise.
21549 (main): Update for new output routines.
21551 * genattr.c (insn_name_ptr): Remove.
21552 (get_insn_name): New function.
21553 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
21554 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
21555 * genrecog.c: Likewise.
21557 * alpha.md (adddi3): Make `pattern' array static.
21559 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21561 * config/c4x/c4x.h (c4x_rpts_cycles_string,
21562 c4x_cpu_version_string): Constify char *.
21563 * config/c4x/c4x.c (c4x_rpts_cycles_string,
21564 c4x_cpu_version_string): Likewise.
21566 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
21568 * tree.c (save_tree_status): Revert 10 Sep change.
21569 (restore_tree_status): Likewise. Call obstack_free with NULL
21570 before freeing the obstack proper.
21572 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
21574 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
21576 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
21577 surrounding context.
21579 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
21581 * tree.c (type_hash_canon): Put all types in the hash-table, when
21584 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
21586 * recog.h (struct recog_data, recog_data): New.
21587 (recog_foo variables): Kill.
21588 * recog.c (recog_operand, recog_operand_loc): Kill.
21589 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
21590 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
21591 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
21592 (recog_data): Define.
21593 (extract_insn): Update all recog_foo references to use recog_data.
21594 (preprocess_constraints, constrain_operands): Likewise.
21595 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
21596 * genattrtab.c (main): Likewise.
21597 * genextract.c (main): Likewise.
21598 * genoutput.c: Likewise.
21599 * genrecog.c (write_subroutine, main): Likewise.
21600 * local-alloc.c (block_alloc): Likewise.
21601 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
21602 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
21603 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
21604 * reload.c (find_reloads, find_reloads_toplev): Likewise.
21605 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
21606 (reload_cse_simplify_operands): Likewise.
21608 * arc/arc.c (arc_final_prescan_insn): Likewise.
21609 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
21610 * h8300/h8300.c (notice_update_cc): Likewise.
21611 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
21612 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
21613 * mn10200/mn10200.c (notice_update_cc): Likewise.
21614 * mn10300/mn10300.c (notice_update_cc): Likewise.
21615 * romp/romp.c (update_cc): Likewise.
21616 * sparc/sparc.c (check_pic): Likewise.
21617 * v850/v850.c (notice_update_cc): Likewise.
21619 * genemit.c (main): Don't declare recog_operand.
21621 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
21623 * ggc.h (rtvec_def): Forward declare.
21624 (tree_node): Likewise.
21625 (ggc_root): Define.
21627 (ggc_set_mark_rtx): Add prototype.
21628 (ggc_set_mark_rtvec): Likewise.
21629 (ggc_set_mark_tree): Likewise.
21630 * ggc-simple.c (ggc_root): Don't define.
21631 (roots): Don't declare.
21632 (ggc_mark_rtx): Remove.
21633 (ggc_mark_rtvec): Likewise.
21634 (ggc_mark_tree): Likewise.
21635 (ggc_mark_varray): Likewise.
21636 (ggc_mark_tree_hash_table_entry): Likewise.
21637 (ggc_mark_tree_hash_table): Likewise.
21638 (ggc_set_mart_rtx): New function.
21639 (ggc_set_mark_rtvec): Likewise.
21640 (ggc_set_mark_tree): Likewise.
21641 (ggc_add_root): Remove.
21642 (ggc_add_rtx_root): Likewise.
21643 (ggc_remove_tree_root): Likewise.
21644 (ggc_add_string_root): Likewise.
21645 (ggc_add_tree_varray_root): Likewise.
21646 (ggc_add_tree_hash_table_root): Likewise.
21647 (ggc_del_root): Likewise.
21648 (ggc_mark_rtx_ptr): Likewise.
21649 (ggc_mark_tree_ptr): Likewise.
21650 (ggc_mark_string_ptr): Likewise.
21651 (ggc_mark_tree_varray_ptr): Likewise.
21652 (ggc_mark_tree_hash_table_ptr): Likewise.
21653 * ggc-common.c: New file.
21654 * Makefile.in (OBJS): Add ggc-common.o.
21655 (ggc-common.o): List dependencies.
21657 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
21659 * cppalloc.c (xstrdup): Use memcpy.
21660 * cpperror.c (cpp_print_containing_files): Don't use
21662 * cpplib.c (conditional_skip): Set temp->lineno.
21663 (do_endif): Make error message less obscure.
21664 (if_directive_name): New function.
21665 (cpp_get_token [case EOF]): Unwind the if stack and generate
21666 error messages for each unterminated conditional in this file.
21667 (parse_string): Do not behave differently if -traditional.
21669 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
21671 * builtins.c (expand_builtin_va_arg): Cope with an array-type
21672 va_list decomposing to pointer-type.
21673 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
21674 (rs6000_va_arg): Likewise.
21676 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
21678 * except.c (start_dynamic_handler): Compute size using
21679 STACK_SAVEAREA_MODE.
21681 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21683 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
21684 include directory headers. Don't define strrchr. Don't provide
21685 my_* replacement functions. Prefer PTR over `pointer_type'.
21686 Don't prototype system functions. Don't redefine getopt.
21688 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
21689 safe_read, safe_write, save_pointers, restore_pointers,
21690 is_id_char, in_system_include_dir, directory_specified_p,
21691 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
21692 find_corresponding_lparen, referenced_file_is_newer,
21693 save_def_or_dec, munge_compile_params, gen_aux_info_file,
21694 process_aux_info_file, identify_lineno, check_source,
21695 seek_to_line, forward_to_next_token_char, output_bytes,
21696 output_string, output_up_to, other_variable_style_function,
21697 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
21698 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
21699 find_static_definition, connect_defs_and_decs, add_local_decl,
21700 add_global_decls, needs_to_be_converted, visit_each_hash_node,
21701 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
21702 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
21703 scan_for_missed_items, edit_file, string_list_cons): Add static
21705 (standard_exec_prefix, target_machine, target_version,
21706 default_syscalls_dir, string_list, string_list_cons, find_file,
21707 do_cleaning): Constify a char*.
21708 (safe_read, safe_write): Use PTR, not a char*.
21709 (is_id_char): Take an int, not a char.
21710 (main): Add prototype. Call return, not exit.
21712 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
21714 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
21715 when comparing types.
21717 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
21719 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
21720 (strength_reduce): Release the varrays from the no-bivs early exit.
21722 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
21723 the loop over the registers.
21725 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
21727 (restore_tree_status): Check that instead when freeing the obstack.
21729 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
21731 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
21734 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21736 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
21737 operand size modifiers.
21739 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21741 * c-common.c (c_common_nodes_and_builtins): Don't build
21743 * c-common.h (enum c_tree_index and related accesor macros): Remove
21744 everything now declared in tree.h.
21745 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
21746 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
21747 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
21748 (error_mark_node, void_type_node, char_type_node, integer_type_node,
21749 unsigned_type_node, ptr_type_node, va_list_type_node,
21750 integer_zero_node, null_pointer_node, integer_one_node): Delete.
21751 (init_decl_processing): Call build_common_tree_nodes and
21752 build_common_tree_nodes_2 instead of building their nodes here.
21753 Don't add roots for these nodes.
21754 * stor-layout.c (size_zero_node, size_one_node): Delete.
21755 (set_sizetype): Make a new node for bitsizetype each time.
21756 * tree.c (global_trees): New variable.
21757 (init_obstacks): Add a gc root for it.
21758 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
21759 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
21760 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
21761 (build_common_tree_nodes): New function.
21762 (fix_sizetype): New function.
21763 (build_common_tree_nodes_2): New function.
21764 * tree.h (enum tree_index): New.
21765 (global_trees): Declare.
21766 Add accessor macros for all nodes now moved to global_trees.
21767 Delete their declarations.
21769 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
21771 * c-decl.c (finish_function): When processing a nested function,
21772 push and pop GC context around rest_of_compilation.
21774 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
21776 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
21777 Default ix86_arch to PROCESSOR_I386.
21778 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
21779 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
21780 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
21781 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
21782 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
21783 (EXTRA_SPECS): Remove deleted specs.
21785 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
21787 * function.c (assign_stack_local_1): Allocate from
21788 function->x_frame_offset, not frame_offset.
21790 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
21792 * ggc.h (lang_cleanup_tree): Remove.
21793 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
21794 * ggc-callbacks.c (lang_cleanup_tree): Remove.
21796 * c-decl.c (finish_struct): Use ggc_alloc to allocate
21797 TYPE_LANG_SPECIFIC when garbage collecting.
21798 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
21799 (lang_cleanup_tree): Remove.
21801 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
21803 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
21804 * crtstuff.c: Not here.
21805 * dwarf2out.c: Or here.
21806 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
21809 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
21811 * function.h (free_after_compilation): Remove decl parameter.
21812 (free_varasm_status0: Likewise.
21813 (free_emit_status): Likewise.
21814 (free_stmt_status): Likewise.
21815 (free_after_compilation): Likewise.
21816 (init_lang_status): New variable.
21817 (free_lang_status): Likewise.
21818 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
21819 * function.c (init_lang_status): New variable.
21820 (free_lang_status): Likewise.
21821 (push_function_context_to): Don't set function::decl here.
21822 (free_after_copmilation): Make decl parameter implicit. Call
21823 free_lang_status if defined.
21824 (prepare_function_start): Call init_lang_status if defined.
21825 (init_function_start): Set function::decl here.
21826 * profile.c (output_func_start_profiler): Don't call pushdecl
21827 until we've actually started the function.
21828 * stmt.c (free_stmt_status): Make decl parameter implicit.
21829 * toplev.c (rest_of_compilation): Don't pass decl to
21830 free_after_compilation.
21831 * varasm.c (free_varasm_status): Likewise.
21833 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21835 * except.c (call_get_eh_context): Add root when allocating static
21838 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
21840 * arm.c: Include "ggc.h".
21841 (arm_add_gc_roots): New function.
21842 (arm_override_options): Call it.
21843 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
21845 * arm.md (define_asm_attributes): Add a pool_range attribute.
21847 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
21849 * extend.texi (Volatiles): New node.
21851 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
21853 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
21854 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
21855 (struct ggc_any): Replace `mark' with `magic_mark'.
21856 (ggc_alloc_string): Use memcpy, not bcopy.
21857 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
21858 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
21859 (ggc_free_any): New.
21860 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
21861 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
21862 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
21863 Use IS_MARKED. Use ggc_free_any.
21865 1999-09-09 Scott Bambrough <scottb@netwinder.org>
21867 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
21869 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
21871 * toplev.c (main): Always init_ggc.
21873 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
21875 * except.c (find_all_handler_type_matches): Free the list if
21876 we found no matches.
21878 * combine.c (SUBST): Break out to a real function do_SUBST.
21879 (SUBST_INT): Likewise.
21880 * gcse.c (free_pre_mem): Free `temp_bitmap'.
21881 (pre_insert): Free `inserted'.
21882 * loop.c (basic_induction_var): Always set `location'.
21884 * function.c (expand_function_end): Add initial_trampoline as a root.
21885 * rtl.h (init_varasm_once): Declare.
21886 * toplev.c (compile_file): Call it.
21887 * ggc-simple.c (ggc_mark_string_ptr): New.
21888 (ggc_add_string_root): New.
21889 (ggc_collect): Disable collection avoidance temporarily.
21890 * ggc.h (ggc_add_string_root): Declare.
21891 * except.c (create_rethrow_ref): Use ggc_alloc_string.
21892 * optabs.c (init_libfuncs): Likewise.
21893 * varasm.c (named_section): Use ggc_alloc_string.
21894 (make_function_rtl): Likewise.
21895 (make_decl_rtl): Likewise.
21896 (assemble_static_space): Likewise.
21897 (assemble_trampoline_template): Likewise.
21898 (output_constant_def): Likewise.
21899 (force_const_mem): Likewise.
21900 (mark_const_hash_entry): New.
21901 (mark_pool_sym_hash_table): New.
21902 (mark_varasm_state): Use it.
21903 (init_varasm_once): New.
21905 * expr.h (init_one_libfunc): Declare.
21906 * optabs.c (init_one_libfunc): New.
21907 (init_optabs): Use it.
21908 * config/gofast.h: Likewise.
21909 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
21910 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
21912 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
21914 * Makefile.in (cppexp.o): Depend on cpphash.h.
21915 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
21917 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
21918 * cpplib.c (do_define): Generalise to handle poisoned definitions,
21919 redefining poisoned identifiers, etc.
21920 (do_undef): Don't allow poisoned identifiers to be undefined.
21921 (do_pragma): Add #pragma poison.
21922 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
21924 * cccp.c: Add T_POISON node type.
21925 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
21927 (do_define): Generalise to handle poisoned definitions,
21928 redefining poisoned identifiers, etc.
21929 (do_undef): Don't allow poisoned identifiers to be undefined.
21930 (do_pragma): Add #pragma poison.
21931 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
21933 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
21934 * c-pragma.h: Add ps_poison state. We now always have generic
21937 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
21939 * ggc.h (ggc_alloc): New function.
21940 (ggc_mark): Likewise.
21941 * ggc-simple.c (ggc_any): New structure.
21942 (ggc_status): Add anys.
21943 (n_anys_collected): New variable.
21944 (ggc_alloc): Define.
21945 (ggc_mark): Likewise.
21946 (ggc_collect): Collect the anys.
21948 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21950 * c-decl.c (mark_binding_level): Make static to match prototype.
21952 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
21954 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
21956 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
21958 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
21959 will use into account. Expand the max width to 5.
21962 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
21964 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
21965 for the rtx length.
21967 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
21969 * alpha.md (call value patterns): Remove the result predicates.
21971 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
21973 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
21976 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21978 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
21979 changed from extern char *, to extern PTR. Also fix typo in
21980 NEED_DECLARATION_REALLOC test.
21982 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
21984 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21986 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
21987 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
21988 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
21989 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
21991 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
21993 * cccp.c (pcfinclude): Likewise.
21995 * global.c (allocno_compare): Likewise.
21997 * haifa-sched.c (rank_for_schedule): Likewise.
21999 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
22001 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
22003 * stupid.c (stupid_reg_compare): Likewise.
22005 * tree.c (_obstack_allocated_p): Likewise.
22007 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
22009 1999-09-08 Bruce Korb autogen@linuxbox.com
22011 * Makefile.in: Give the hapless gperf user a hint about
22012 why "gperf -F" fails.
22014 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
22016 * lists.c: Include ggc.h.
22018 (init_EXPR_INSN_LIST_cache): Install it.
22020 * ggc-simple.c (init_ggc): Absorb the old init.
22021 (ggc_push_context): Use xcalloc.
22022 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
22023 (ggc_collect): Add [rvts] tags to the collection stats.
22025 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
22027 * cccp.c (main): Fix handling of -include and -imacros options.
22029 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
22031 * cpplib.c (cpp_push_buffer): Fix order of arguments.
22033 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22035 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
22038 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
22040 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
22041 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
22042 and SET_DEST. Update comment.
22044 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22046 * config/c4x/c4x.c: Include ggc.h.
22047 (c4x_add_gc_roots): New function.
22048 (c4x_override_options): Call c4x_add_gc_roots.
22050 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
22052 * defaults.h (TARGET_ESC): Move ...
22053 * system.h: ... here, where Linas had it in the first place. Silly me.
22055 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
22057 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
22058 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
22059 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
22060 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
22061 * defaults.h (TARGET_ESC): Add default.
22063 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
22065 * configure.in: add i370-*-openedition, i370-*-mvs and
22066 i370-*-linux targets
22068 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
22070 * dsp16xxx.c: Include ggc.h
22071 (override_options): Mark GC roots.
22072 * mn10200.c: Include ggc.h.
22073 (asm_file_start): Mark GC roots.
22074 * tahoe.c: Include ggc.h.
22075 (extensible_operand): Mark GC roots.
22077 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
22079 * README: Add section discussing status of ELF ABI.
22080 * i370.c: Fix misc spelling mistakes.
22081 (i370_label_scan): Updated notes, exception handling.
22082 (i370_function_prolog): Simplify ELF stack handling.
22083 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
22084 (STACK_GROWS_DOWNWARD): ELF stack grows down.
22085 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
22086 * i370.md: (movdi): Add notes.
22087 (floatsidf2): Use stack not rtca for scratch float area.
22088 (iorsi3): Correct operand constraints.
22089 * x-oe: Restore TAROUTOPTS which are used by pax.
22091 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
22093 * rs6000.c: Include ggc.h.
22094 (rs6000_add_gc_roots): New function.
22095 (override_options): Call it.
22097 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
22099 * alpha.h (alpha_compare): New.
22100 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
22101 * alpha.c: Likewise for the definitions.
22102 (alpha_emit_conditional_branch): Update for alpha_compare.
22103 (alpha_emit_conditional_move): Likewise.
22104 * alpha.md (cmpdf, cmpdi): Likewise.
22105 (setcc patterns): Likewise. Zero alpha_compare after use.
22106 (sne): Optimize (x != 0) into (0U < x).
22108 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
22110 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
22111 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
22112 (INIT_EXPANDERS): Remove.
22113 * alpha.c: Include ggc.h.
22114 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
22115 (alpha_init_machine_status, alpha_mark_machine_status): New.
22116 (override_options): Install them.
22117 (struct machine_function): Moved to alpha.h.
22118 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
22119 (alpha_init_expanders): Remove.
22120 (alpha_return_addr): Adjust to use current_function->machine.
22121 (alpha_ra_ever_killed): Likewise.
22122 (alpha_expand_epilogue): Likewise.
22123 * alpha.md (eh_epilogue): Likewise.
22125 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
22126 Melissa O'Neill <oneill@cs.sfu.ca>
22127 Geoffrey Keating <geoffk@cygnus.com>
22129 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
22130 call-used registers (call-saved registers must still be contiguous
22131 and end with r31, of course).
22133 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
22135 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
22136 (self_promoting_type_p): Delete.
22137 (self_promoting_args_p): Move ...
22138 * c-common.c: ... here.
22139 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
22140 (simple_type_promotes_to): New.
22141 * builtins.c (lang_type_promotes_to): New.
22142 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
22143 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
22144 * c-common.h: ... here.
22145 (self_promoting_args_p, simple_type_promotes_to): Declare.
22146 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
22147 (grokdeclarator): Likewise.
22148 * tree.h (lang_type_promotes_to): Declare.
22150 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
22152 Add some machine-dependent GC roots.
22153 * sparc.c: Include ggc.h.
22154 (sparc_add_gc_roots): New function.
22155 (mark_ultrasparc_pipeline_state): Likewise.
22156 (override_options): Call sparc_add_gc_roots.
22157 * pa.c: Include ggc.h.
22158 (pa_add_gc_roots): New function.
22159 (mark_deferred_plabels): Likewise.
22160 (override_options): Call pa_add_gc_roots.
22161 * mips.c: Include ggc.h.
22162 (mips_add_gc_roots): New function.
22163 (override_options): Use it.
22165 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22167 * cpperror.c (cpp_file_line_for_message): Constify a char*.
22169 * cppexp.c (parse_number, parse_charconst, cpp_lex,
22170 cpp_parse_expr): Add static prototypes.
22171 (parse_charconst): Don't cast away const-ness.
22172 (token): Constify a char*.
22174 * cppfiles.c (file_name_list, include_hash, find_include_file,
22175 finclude, initialize_input_buffer): Constify a char*.
22176 (file_cleanup, find_position): Add static prototypes.
22178 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
22179 collect_expansion): Add static prototypes.
22180 (cpp_install, create_definition, monthnames): Constify a char*.
22182 * cpphash.h (cpp_install): Likewise.
22184 * cppinit.c (known_suffixes, default_include,
22185 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
22186 (base_name, dump_special_to_buffer, initialize_dependency_output):
22187 Add static prototypes.
22189 * cpplib.c (my_strerror): Constify a char*.
22190 (null_underflow, null_cleanup, skip_comment, copy_comment,
22191 copy_rest_of_line, handle_directive, pass_thru_directive,
22192 get_directive_token, read_line_number, cpp_print_file_and_line,
22193 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
22194 v_cpp_warning_with_line, detect_if_not_defined,
22195 consider_directive_while_skipping): Add static prototypes.
22196 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
22197 cpp_pedwarn_with_file_and_line): Constify a char*.
22199 * cpplib.h (cpp_options, include_hash, progname, definition,
22200 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
22201 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
22202 find_include_file, deps_output, include_hash): Constify a char*.
22204 * cppmain.c (progname): Constify.
22205 (main): Add prototype. Use return, not exit.
22207 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
22208 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
22209 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
22210 check_protection): Add static prototype.
22212 (progname, recognized_macrom, recognized_extern): Constify a char*.
22213 (main): Add prototype.
22215 * gen-protos.c (progname): Constify a char*.
22217 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
22219 * emit-rtl.c (free_emit_status): Take decl as a parameter.
22220 (init_emit_once): Add more GC roots.
22221 * except.c (mark_func_eh_entry): New function.
22222 (mark_eh_node): Mark false_label and rethrow_label.
22223 (init_eh): Add more GC roots.
22224 * function.c (free_after_compilation): Take decl as a paramter.
22225 Call free_stmt_status.
22226 (mark_function_state): Don't assume x_parm_reg_stack_loc is
22228 * function.h (free_after_compilation): Change prototype.
22229 (free_varasm_status): Likewise.
22230 (free_emit_status): Likewise.
22231 (free_stmt_status): New function.
22232 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
22233 Remove, replacing with ...
22234 (ggc_status): New structure.
22235 (ggc_chain): New variable.
22236 (init_gcc): Define.
22237 (ggc_push_context): New function.
22238 (ggc_pop_context): Likewise.
22239 (ggc_alloc_rtx): Adjust for use of ggc_chain.
22240 (ggc_alloc_rtvec): Likewise.
22241 (ggc_alloc_tree): Likewise.
22242 (ggc_alloc_string): Likewise.
22243 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
22244 (ggc_mark_tree): Give language-dependent code a chance to mark
22246 (ggc_mark_tree_varray): Handle empty arrays.
22247 (ggc_collect): Adjust for use of ggc_chain. Clear
22248 bytes_alloced_since_last_gc.
22249 * ggc.h (ggc_pop_context): New function.
22250 (ggc_push_context): Likewise.
22251 * print-tree.c (print_node): Don't print obstacks when GC'ing.
22252 * stmt.c (free_stmt_status): New function.
22253 (init_stmt_for_function): Clear last_expr_value.
22254 * toplev.c (rest_of_compilation): Always call free_after_compilation.
22255 Conditionalize call to ggc_collect.
22256 (main): Call init_ggc.
22257 * tree.c (push_obstacks): Do the push, even when GC'ing.
22258 (push_obstacks_nochange): Likewise.
22259 (pop_obstacks): Liekwise.
22260 * varasm.c (free_varasm_status): Take decl as a parameter.
22262 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
22264 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
22265 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
22266 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
22267 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
22269 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
22271 * pa/x-pa-mpeix: New file for the MPE port.
22273 * pa/quadlib.asm: New file for long double support.
22275 * configure.in: Add hppa1.0-*-mpeix for MPE port.
22276 * configure: Rebuilt.
22278 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
22280 * final.c (shorten_branches): Fix last change.
22282 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
22284 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
22286 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
22288 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
22291 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22293 * c-aux-info.c (concat): Don't define.
22295 * cccp.c (my_strerror): Likewise. All callers changed to use
22297 (do_include): Call xstrdup, not xmalloc/strcpy.
22298 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
22299 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
22301 * collect2.c (my_strsignal): Likewise. All callers changed to use
22303 (locatelib): Call xstrdup, not xmalloc/strcpy.
22305 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
22307 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
22309 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
22311 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
22313 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
22315 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
22317 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
22319 (find_all_handler_type_matches): Likewise. Don't check return
22321 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
22322 xmalloc, not malloc.
22323 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
22325 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
22326 (init_spec): Call xcalloc, not xmalloc/bzero.
22327 (set_spec): Call xstrdup, not save_string.
22328 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
22329 (find_a_file): Call xstrdup, not xmalloc/strcpy.
22330 (process_command): Call xstrdup, not save_string.
22331 (main): Call xcalloc, not xmalloc/bzero.
22333 * gcov.c (xmalloc): Don't define.
22334 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
22335 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
22336 (output_data): Call xcalloc, not xmalloc/bzero.
22338 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
22340 * mips-tdump.c (xmalloc): Don't define.
22341 (print_symbol): Call xmalloc, not malloc.
22342 (read_tfile): Call xcalloc, not calloc.
22344 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
22345 Don't define. All callers of xfree/my_strsignal changed to use
22346 free/strsignal instead.
22347 (allocate_cluster): Call xcalloc, not calloc.
22349 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
22350 Fix memory leak, free allocated memory.
22352 * prefix.c (translate_name): Call xstrdup, not save_string.
22353 (update_path): Likewise.
22355 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
22357 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
22358 Don't define. Callers of xfree/savestring2 changed to use
22359 free/concat instead.
22361 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
22362 (init_elim_table): Likewise.
22364 * resource.c (init_resource_info): Likewise.
22366 * stupid.c (stupid_life_analysis): Likewise.
22368 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
22369 (open_dump_file): Call concat, not xmalloc/strcpy/...
22370 (clean_dump_file): Likewise.
22371 (compile_file): Call xstrdup, not xmalloc/strcpy.
22373 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
22375 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
22376 * v850.c (v850_va_arg): New.
22378 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22380 * haifa-sched.c: Tidy comments.
22382 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22384 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
22385 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
22386 $(out_object_file)): Depend on ggc.h.
22387 * c-common.c: Include "ggc.h".
22388 (combine_strings): If doing GC, use ggc_alloc_string.
22389 * c-decl.c: Include "ggc.h".
22390 (ggc_p): Define with value 0.
22391 (mark_binding_level): New function.
22392 (init_decl_processing): Add GC roots.
22393 (mark_c_function_context): New function.
22394 (lang_mark_false_label_stack): New function.
22395 (lang_mark_tree): New function.
22396 (lang_cleanup_tree): New function.
22397 * c-lang.c: Include "ggc.h".
22398 (lang_init): Call c_parse_init.
22399 * c-lex.c: Include "ggc.h".
22400 (check_linenum): If doing GC, don't copy filenames to permanent
22402 * c-parse.in: Include "ggc.h".
22403 (c_parse_init): New function.
22404 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
22405 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
22407 * except.c (mark_eh_state): Mark more state.
22408 * function.c (mark_function_state): Likewise.
22409 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
22410 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
22411 * toplev.c (mark_file_stack): New function.
22412 (compile_file): If doing GC, use ggc_alloc_string on input filename.
22413 (main): Add root for input_file_stack.
22415 * i386.c: Include "ggc.h".
22416 (ix86_mark_machine_status): New function.
22417 (override_options): Set mark_machine_status.
22419 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22421 * tree.c (copy_node): Copy node contents also if doing GC.
22423 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22425 * collect2.c (scan_libraries): Fix double-thinko :-).
22427 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
22429 * collect2.c (scan_libraries): Fix thinko.
22431 * cse.c (delete_trivially_dead_insns): Do not skip the last
22432 insn if it is a real insn.
22434 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
22436 * Makefile.in (ggc-simple.o): Depend on hash.h.
22437 * ggc.h (ggc_add_tree_hash_table_root): Declare.
22438 (ggc_mark_tree_varray): Likewise.
22439 (ggc_mark_tree_hash_table): Likewise.
22440 * ggc-simple.c: Include hash.h.
22441 (ggc_mark_tree_hash_table_ptr): New function.
22442 (ggc_mark_tree_hash_table_entry): Likewise.
22443 (ggc_mark_tree_hash_table): Likewise.
22444 (ggc_add_tree_hash_table_root): Likewise.
22445 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
22446 rtx, when defining fields.
22448 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
22450 * profile.c (output_func_start_profiler): Remove apparently
22451 nonsensical call to start_sequence.
22453 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
22455 * clipper/clipper.c (clipper_va_start): Fix typos.
22457 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
22458 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
22459 (spur_va_arg): New stub.
22461 * configure.in: Comment out pyramid.
22463 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
22465 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
22466 don't conflict with the bits that win32, cygwin, and dgux
22469 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
22470 Bernd Schmidt <bernds@cygnus.co.uk>
22472 * integrate.c (function_cannot_inline_p): Do not inline
22473 functions with forced labels.
22475 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
22476 Bernd Schmidt <bernds@cygnus.co.uk>
22477 Mark Mitchell <mark@codesourcery.com>
22479 * Makefile.in (ggc-simple.o): Depend on varray.h.
22480 (rtl.o): Depend on ggc.h.
22481 (genattrtab.o): Depend on ggc.h.
22482 (print-tree.o): Likewise.
22483 (fold-const.o): Likewise.
22484 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
22485 (make_insn_raw): Don't cache insns when GC'ing.
22486 (emit_insn_before): Likewise.
22487 (emit_insn_after): Likewise.
22488 (emit_insn): Likewise.
22489 (start_sequence): Use xmalloc to allocate the sequence_stack.
22490 (end_sequence): Add free to free it.
22491 (gen_sequence): Don't cache insns when GC'ing.
22492 (clear_emit_caches): Don't use sequence_element_free_list.
22493 (init_emit): Use xcalloc, not xmalloc+bzero.
22494 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
22495 * function.c (pop_function_context_from): Use free to free the
22496 fixup_var_refs_queue.
22497 (put_reg_into_stack): Allocate it with xmalloc.
22498 * genattrtab.c: Include ggc.h.
22499 (operate_exp): Don't use obstack_free when GC'ing.
22500 (simplify_cond): Likewise.
22501 (simplify_text_exp): Likewise.
22502 (optimize_attrs): Likewise.
22503 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
22505 (gencode): Generate a #include for ggc.h.
22506 * ggc-callbacks.c (ggc_p): Define it to zero.
22507 * ggc-none.c (ggc_p): Likewise.
22508 * ggc-simple.c: Include varray.h.
22509 (ggc_mark_tree_varray): New function.
22510 (ggc_add_tree_varray_root): Likewise.
22511 (ggc_mark_tree_varray_ptr): Likewise.
22512 * ggc.h (ggc_p): Declare.
22513 (varray_head_tag): Likewise.
22514 (ggc_add_tree_varray_root): Declare.
22515 * print-tree.c (print_node): Don't check for TREE_PERMANENT
22516 inconsistencies when GC'ing.
22517 * rtl.c: Include ggc.h.
22518 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
22519 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
22520 (rtx_free): Don't call obstack_free when GC'ing.
22521 * toplev.c (rest_of_compilation): Call ggc_collect after every
22523 * tree.c (push_obstacks): Do nothing, if GC'ing.
22524 (pop_obstacks_nochange): Likewise.
22525 (pop_obstacks): Likewise.
22526 (make_node): Use ggc_alloc_tree when GC'ing.
22527 (copy_node): Likewise.
22528 (get_identifier): Use ggc_alloc_string when GC'ing.
22529 (build_string): Likewise.
22530 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
22531 (tree_cons): Likewise.
22532 (build1): Likewise.
22533 (type_hash_canon): Don't call obstack_free when GC'ing.
22535 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
22537 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
22538 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
22540 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
22541 Bernd Schmidt <bernds@cygnus.co.uk>
22542 Mark Mitchell <mark@codesourcery.com>
22544 * Makefile.in (stor-layout.o): Depend on ggc.h.
22545 (expr.o): Depend on ggc.h.
22546 (profile.o): Depend on ggc.h.
22547 (stor-layout.o): Depend on ggc.h.
22548 * emit-rtl.c (init_emit_once): Add gc roots.
22549 * expr.c: Include ggc.h.
22550 (emit_block_move): Add gc roots.
22551 (clear_storage): Likewise.
22552 * expr.h (init_stor_layout_once): New function.
22553 * profile.c: Include ggc.h.
22554 (init_arc_profiler): profiler_label is a root.
22555 * scan.c (make_sstring_space): Trust xrealloc to function
22556 correctly with first parameter NULL.
22557 * stor-layout.c: Include ggc.h.
22558 (set_sizetype): Add gc root.
22559 (init_stor_layout_once): New function.
22560 * toplev.c (compile_file): Call it.
22562 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
22563 Bernd Schmidt <bernds@cygnus.co.uk>
22564 Mark Mitchell <mark@codesourcery.com>
22566 * Makefile.in (tree.o): Depend on ggc.h.
22567 (varasm.o): Likewise.
22568 (function.o): Likewise.
22569 (stmt.o): Likewise.
22570 (except.o): Likewise.
22571 (optabs.o): Likewise.
22572 (emit-rtl.o): Likewise.
22573 * emit-rtl.c: Include ggc.h.
22574 (sequence_element_free_list): Remove, and all references.
22575 (mark_sequence): New functions.
22576 (mark_emit_state): New function.
22577 * except.c: Include ggc.h.
22578 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
22579 (mark_tree_label_node): New functions.
22580 (mark_eh_state): New function.
22581 * function.c: Include ggc.h.
22582 (mark_temp_slot, mark_function_chain): New functions.
22583 (mark_function_state): New function.
22584 (init_function_once): New function.
22585 * function.h (init_function_once): New function.
22586 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
22587 * ggc.h (label_node): Declare.
22588 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
22589 (lang_mark_false_label_stack): New function.
22590 (mark_temp_slot): Remove declaration.
22591 (mark_function_chain): Likewise.
22592 (mark_eh_state): Adjust prototype.
22593 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
22595 * optabs.c: Include ggc.h.
22596 (mark_optab): New function.
22597 (init_optabs): Add gc roots.
22598 * stmt.c: Include ggc.h.
22599 (mark_cond_nesting, mark_loop_nesting): New functions.
22600 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
22601 (mark_stmt_state): New function.
22602 * toplev.c (compile_file): Call init_function_once.
22603 * tree.c: Include ggc.h.
22604 (type_hash): Move declaration earlier in file.
22605 (TYPE_HASH_SIZE, type_hash_table): Likewise.
22606 (init_obstacks): Add gc roots.
22607 (mark_type_hash): New function.
22608 * varasm.c: Include ggc.h.
22609 (mark_pool_constant): New function.
22610 (mark_varasm_state): New function.
22612 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22614 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
22616 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22618 * c-decl.c (struct language_function): Renamed from struct c_function.
22620 (c_function_chain): Delete.
22621 (push_c_function_context): New arg F. Don't warn about nested
22622 functions here. Fill LANGUAGE elt of F. Delete code to update
22623 c_function_chain. Don't call push_function_context.
22624 (pop_c_function_context): New arg F. Restore from there instead of
22625 from c_function_chain. Don't call pop_function_context. Clear out
22626 LANGUAGE field of F when done.
22627 * c-lang.c: Include "function.h"
22628 (lang_init): Initialize save_lang_status and restore_lang_status.
22629 * c-parse.in (nested_function, nested_function_notype): Warn about
22630 nested functions. Call push_function_context/pop_function_context
22631 instead of the _c_ variants.
22632 * c-tree.h (push_c_function_context, pop_c_function_context): Update
22634 * Makefile.in (c-lang.o): Update dependencies.
22636 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
22637 regno_pointer_flag, regno_pointer_align.
22638 (gen_reg_rtx): Use xrealloc to enlarge them.
22639 (free_emit_status): New function.
22640 * function.c (mark_machine_status, mark_lang_status): New variables.
22641 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
22642 in some bits from assign_stack_local. All callers changed to use new
22644 (assign_stack_local): Just call assign_stack_local_1.
22645 (free_after_compilation): New function.
22646 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
22647 (trampoline_address): Likewise.
22648 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
22649 (prepare_function_start): Explicitly clear some more variables.
22650 * function.h (struct function): New elt can_garbage_collect.
22651 (mark_machine_status, mark_lang_status): Declare variables.
22652 (free_after_compilation, free_emit_status, free_varasm_status,
22653 init_varasm_status): Declare functions.
22654 * toplev.c (rest_of_compilation): Call free_after_compilation when
22655 done with the current function.
22656 * varasm.c (free_varasm_status): New function.
22658 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
22660 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
22661 (EXPAND_BUILTIN_VA_ARG): Define.
22662 * sparc.c (sparc_va_start): New.
22663 (sparc_va_arg): New.
22665 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22667 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
22669 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22671 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
22673 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
22675 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
22676 (OBJS): Add $(GGC).
22677 (ggc-callbacks.o): New target.
22678 * ggc-callbacks.c: New file.
22680 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22682 * expr.h: Collapse individual optab and libfunc vars to arrays.
22683 (optab_index, libfunc_index): New enumerations.
22684 (optab_table, libfunc_table): New arrays.
22685 Add accessor macros for both.
22687 * optabs.c (optab_table, libfunc_table): New.
22688 Delete declarations for individual optab and libfunc vars.
22690 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
22692 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
22694 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
22696 * Makefile.in (GGC, GGC_LIB): New.
22697 (HOST_RTL): Include ggc-none.o.
22698 (ggc-simple.o): New target.
22699 (ggc-none.o): Likewise.
22700 * tree.h (tree_common): Add gc_mark.
22701 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
22702 (struct rtvec_def): Add gc_mark.
22703 * emit-rtl.c (global_rtl): Update static initializers to contain
22704 enough initializers.
22705 * ggc.h, ggc-none.c, ggc-simple.c: New files.
22706 * toplev.c (gc_time): New variable.
22707 (all_time): New variable.
22708 (compile_file): Print gc time.
22709 (print_time): Calculate percentage of the whole.
22711 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22713 Change obstack memory management and varasm constant pool handling so
22714 that nested functions are treated like any other functions.
22715 * function.c (init_machine_status): New variable.
22716 (push_function_context_to): Set contains_functions for the outer
22717 function. Don't call save_varasm_status.
22718 (pop_function_context_from): Don't call restore_varasm_status. Don't
22719 set current_function_contains_functions.
22720 (prepare_function_start): Call init_varasm_status rather than
22721 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
22723 * function.h (struct function) Add field varasm. Delete fields
22724 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
22725 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
22726 (init_machine_status): Declare.
22727 (save_varasm_status, restore_varasm_status): Delete declarations.
22728 (save_tree_status, restore_tree_status): Delete last argument.
22729 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
22730 code. All callers changed.
22731 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
22732 save_constants_in_decl_trees, restore_constants, save_constants,
22733 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
22735 (inlining): New variable.
22736 (reg_map, label_map, insn_map, orig_asm_operands_vector,
22737 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
22739 (save_for_inline_nocopy): Don't save constants.
22740 Don't set inl_emit field in current_function.
22741 (expand_inline_function): Use emit field, not inl_emit, of the inlined
22742 function. Set new variable inlining before
22743 calling copy_rtx_and_substitute.
22744 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
22745 constant pool references if inlining is nonzero.
22746 Delete ADDRESS and (most of the) CONST cases.
22747 (output_inline_function): Save and restore current_function/
22748 current_function_decl. Delete restore_constants code. Don't call
22749 init_const_rtx_hash_table.
22750 * output.h (init_const_rtx_hash_table): Don't declare.
22751 * rtl.h (struct function): Declare.
22752 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
22753 * toplev.c (rest_of_compilation): Don't treat nested functions or
22754 functions containing them specially. Delete all code to deal with
22755 save_for_inline_copying.
22756 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
22757 inline_obstacks): Delete variables.
22758 (save_tree_status): Lose arg CONTEXT. All callers changed.
22759 Simply allocate a new function_maybepermanent_obstack for the new
22760 function, delete all the special cases.
22761 Don't save inline_obstacks.
22762 (restore_tree_status): Lose arg CONTEXT. All callers changed.
22763 Delete special handling for function_maybepermanent_obstack; simply
22765 Don't restore inline_obstacks.
22766 (permanent_allocation): Delete code that frees inline_obstacks.
22767 (print_inline_obstack_statistics): Delete function.
22768 (dump_tree_statistics): Don't call it.
22769 * varasm.c (struct varasm_status): New.
22770 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
22771 last_pool, pool_offset, const_double_chain): Delete global
22772 variables, replace with accessor macros.
22773 (immed_double_const): Don't walk const_double_chain outside a
22774 function, but don't treat nested functions specially anymore.
22775 (immed_real_const_1): Likewise.
22776 (clear_const_double_mem): Don't treat nested functions specially.
22777 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
22778 (save_varasm_status, restore_varasm_status): Delete functions.
22779 (init_varasm_status): New function.
22780 (force_const_mem): Don't treat nested functions specially.
22781 (find_pool_constant): Accept new arg F, search for constants in
22782 that function's pool rather than the current one. All callers
22784 (get_pool_constant_for_function, get_pool_mode_for_function): New
22787 * i386.c (init_386_machine_status): New function, mostly from
22788 clear_386_stack_locals.
22789 (struct machine_functions): Rename element names to avoid name
22791 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
22792 macros, replacing global variables.
22793 (clear_386_stack_locals, save_386_machine_status,
22794 restore_386_machine_status): Delete functions.
22795 (override_options): Initialize init_machine_status.
22796 * i386.h (INIT_EXPANDERS): Delete macro.
22797 (save_386_machine_status, restore_386_machine_status,
22798 clear_386_stack_locals): Delete declarations.
22800 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22802 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
22803 (doloop_begin): Simplify pattern and use emit_jump_insn.
22804 (doloop_end): Simplify pattern, switch operand order,
22805 and use emit_jump_insn.
22807 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
22809 * function.h (struct function): Add new element LANGUAGE.
22810 (save_lang_status): Declare new variable.
22811 (restore_lang_status): Likewise.
22812 * function.c (save_lang_status): Define.
22813 (restore_lang_status): Likewise.
22814 (push_function_context_to): Call language-specific save function.
22815 (pop_function_context_from): Call language-specific restore function.
22817 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
22819 * i386.md (movsf_1): Check REG_P before use of REGNO.
22820 (movdf_1): Likewise.
22821 (movxf_1): Likewise.
22822 (extendsfdf2): Likewise.
22823 (extendsfxf2): Likewise.
22824 (extenddfxf2): Likewise.
22826 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22828 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
22829 constants into memory.
22830 (c4x_shiftable_constant): New function.
22831 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
22832 (c4x_shiftable_constant): Declare.
22833 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
22834 ashlqi3_noclobber): Add new patterns and associated splitters.
22836 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
22838 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
22839 * dwarf2out.c (dwarf2out_frame_init): Likewise.
22840 * final.c (shorten_branches): Likewise.
22841 * global.c (global_alloc): Likewise.
22842 * haifa-sched.c (build_control_flow): Likewise.
22843 * stmt.c (check_for_full_enumeration_handling): Likewise.
22844 (estimate_case_costs): Likewise.
22846 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
22848 * rtl.h (RTL_CHECKC2): Fix typo in last change.
22850 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
22852 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
22853 (recompute_reg_usage): Likewise.
22854 * rtlanal.c (find_regno_fusage): Likewise.
22856 * rtl.c (rtl_check_failed_code1): New function.
22857 (rtl_check_failed_code2): New.
22858 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
22859 (RTL_CHECKC1, RTL_CHECKC2): New.
22860 (XC*): New accessor macros.
22861 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
22862 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
22863 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
22864 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
22865 (TRAP_*, RANGE_INFO_*): Likewise.
22867 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22869 * Makefile.in (tlink.o): Don't depend on toplev.h.
22871 * collect2.c (c_file, o_file, export_file, import_file, ldout,
22872 output_file, nm_file_name, ldd_file_name, strip_file_name,
22873 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
22874 add_prefix, prefix_from_env, prefix_from_string, do_wait,
22875 fork_execute, maybe_unlink, add_to_list,
22876 extract_init_priority, write_list, dump_list,
22877 dump_prefix_list, write_list_with_asm, write_c_file,
22878 write_c_file_stat, write_c_file_glob, scan_prog_file,
22879 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
22880 ignore_library, extract_string, notice, dump_file, target_machine,
22881 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
22882 read_file, print_load_command): Constify a char*.
22883 (fdopen, error, fatal, fatal_perror): Don't prototype.
22884 (my_strerror): Remove. All callers use xstrerror instead.
22885 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
22886 (main): Add prototype. Constify lots of char* ptrs. Change calls
22887 to xcalloc/strcpy/strcat/... to one call to concat.
22888 (main, scan_prog_file, scan_libraries): Use an intermediate
22889 `const char **' to build an argv array.
22890 (mapfile, libselect, libcompare, locatelib): Add prototypes.
22892 * collect2.h (collect_execute, collect_wait, dump_file,
22893 file_exists): Constify a char*.
22894 (ldout, c_file_name, temporary_obstack, permanent_obstack,
22895 temporary_firstobj, vflag, debug): Add extern declarations.
22896 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
22898 * tlink.c: Don't include toplev.h.
22899 (vflag, debug, ldout, c_file_name, temporary_obstack,
22900 permanent_obstack, temporary_firstobj): Don't declare.
22901 (tlink_execute, frob_extension, symbol_hash_lookup,
22902 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
22903 recompile_files, read_repo_files, demangle_new_symbols,
22904 scan_linker_output): Constify a char*.
22905 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
22906 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
22908 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
22910 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
22911 (relative) rather than jsr (absolute) subroutine call insns.
22912 * config/m68k/m68k-coff.h: Ditto.
22914 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
22916 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
22917 now rework these too.
22918 (arm_reorg): If an insn can't reach the end of the current pool,
22919 ensure that we emit that pool before the insn.
22921 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
22923 * tlink.c (scan_linker_output): Skip the initial underscore in
22924 a mangled name if appropriate.
22926 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22928 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
22929 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
22930 error_with_ivar, gen_declarator, create_builtin_decl,
22931 my_build_string, generate_descriptor_table, generate_ivars_list,
22932 generate_dispatch_table, check_protocols, TAG_GETCLASS,
22933 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
22934 dump_base_name, lang_decode_option, build_encode_expr,
22935 start_class, finish_class, encode_pointer, really_start_method,
22936 gen_declaration, dump_interface, handle_class_ref, handle_impent):
22938 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
22939 Add static prototypes.
22940 (build_objc_string_decl, build_selector_reference_decl,
22941 encode_bitfield, build_class_reference_decl): Remove unused
22942 parameter, all callers changed.
22943 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
22944 (objc_printable_name): Likewise. Change second parameter to type int.
22945 (init_objc): Use memcpy, not bcopy, to avoid casts.
22947 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
22949 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
22950 reg notes on a deleted insn.
22951 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
22953 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
22955 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
22957 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22959 * stmt.c (expand_asm_operands): Fix index into inout_mode when
22962 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
22964 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
22965 * tm.texi (MD_ASM_CLOBBERS): Document it.
22967 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
22969 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
22970 * except.c (expand_rethrow): Remove unused variable.
22971 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
22972 * flow.c (replace_insns): Likewise.
22973 (create_edge_list, verify_edge_list): Likewise.
22974 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
22976 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
22977 is special code to run.
22978 (main): Don't define operands to emit_operand.
22979 * genrecog.c (main): Don't emit an empty peephole2_insn function.
22981 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
22983 * alpha/alpha.h (normal_memory_operand): Declare.
22984 (reg_no_subreg_operand): Declare.
22985 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
22987 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
22989 * c-parse.in (compstmt_primary_start): New, broken out of first
22990 part of compstmt handling in primary.
22991 (primary): Use it. Add an error clause.
22992 (compstmt_nostart): Renamed from compstmt; remove all
22993 initial invocations of compstmt_start.
22996 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
22998 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
23001 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
23003 * combine.c (simplify_shift_const): Remove extra semicolon.
23004 * dwarf2out.c (remove_AT): Likewise.
23005 * expmed.c (expand_mult): Likewise.
23006 * gcov.c (create_program_flow_graph): Likewise.
23007 * reorg.c (mostly_true_jump): Likewise.
23009 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
23011 * fold-const.c (fold_range_test): Do not try to fold the range
23012 test if the rhs or lhs has side effects.
23014 * combine.c (simplify_rtx): Recognize another case of a synthesized
23017 * varasm.c (mark_constant_pool): When marking indirect references,
23018 only look at SYMBOL_REFs.
23020 * except.c (expand_fixup_region_end): Do not peek at
23021 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
23023 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
23025 * flags.h: New variables align_loops, align_loops_log,
23026 align_jumps, align_jumps_log, align_labels, align_labels_log,
23027 align_functions, align_functions_log.
23028 * toplev.c: Define them.
23029 (f_options): Handle -falign-* when they have no argument.
23030 (main): Add logic to set variables for -falign-functions,
23031 -falign-jumps, -falign-labels, -falign-loops.
23032 Make it -fsched-verbose=<n> and -finline-limit=<n>.
23033 (display_help): Change help to match options.
23034 * final.c (LABEL_ALIGN): Default to align_labels_log.
23035 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
23036 (LOOP_ALIGN): Default to align_loops_log.
23037 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
23038 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
23039 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
23040 * varasm.c (assemble_start_function): Handle align_functions.
23042 * config/sparc/sparc.h: Don't declare sparc_align_*.
23043 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
23044 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
23046 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
23048 * config/sparc/sparc.c: Delete sparc_align_loops,
23049 sparc_align_jumps, sparc_align_funcs and the corresponding string
23051 (sparc_override_options): Default align_functions on ultrasparc.
23052 Delete -malign-* handling.
23054 * config/mips/mips.c (override_options): On 64-bit targets,
23055 try to align code to 64-bit boundaries.
23056 (print_operand): New substitution, %~,
23057 which aligns labels to align_labels_log.
23058 * config/mips/mips.md (div_trap_normal): Use %~.
23059 (div_trap_mips16): Likewise.
23061 (absdi2): Likewise.
23062 (ffssi2): Likewise.
23063 (ffsdi2): Likewise.
23064 (ashldi3_internal): Likewise.
23065 (ashrdi3_internal): Likewise.
23066 (lshrdi3_internal): Likewise.
23067 (casesi_internal): Likewise.
23069 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
23071 Merge new ia32 backend from the branch!
23073 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
23074 See ChangeLog.P2 on new_ia32_branch for details.
23076 * rtl.h (stack_regs_mentioned_p): Delete prototype.
23077 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
23078 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
23079 * i386/gas.h (ASM_FILE_START): Define.
23080 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
23081 for name change of ix86_valid_decl_attribute_p.
23082 (i386_pe_valid_type_attribute_p): Similarly.
23084 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
23086 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
23087 to step through CC modes.
23089 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23091 * regmove.c (fixup_match_1): Don't move INSN in front of P if
23092 it would end up in the shadow of a live flags regsiter.
23094 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23096 * reload1.c: Fix many indentation problems.
23097 * reload.c: Likewise.
23099 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
23101 * alias.c (non_local_reference_p): Constify fmt.
23103 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
23105 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
23107 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
23109 * cse.c (delete_trivially_dead_insns): Do not delete stores to
23110 the internal_arg_pointer.
23112 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
23114 Merge peephole2 from new_ia32_branch:
23115 * Makefile.in (STAGESTUFF): Add *.peephole2.
23116 (mostlyclean): Likewise.
23117 (recog.o): Depend on resource.h.
23119 * final.c (peephole): Conditionalize decl on HAVE_peephole.
23120 (final_scan_insn): Likewise for the invocation of peephole.
23121 * genconfig.c (main): Look for peephole and peephole2 patterns.
23122 Emit HAVE_peephole* accordingly.
23123 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
23124 * flags.h (flag_peephole2): Declare.
23125 * toplev.c: New pass peephole2. New flag -fpeephole2.
23127 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
23128 * gencodes.c (main): Likewise.
23129 * genextract.c (main): Likewise.
23130 * genoutput.c (main): Likewise.
23131 * genemit.c (max_operand_1): Look for the max scratch operand.
23132 (gen_rtx_scratch): New.
23133 (gen_exp): Use it, and pass on new arg subroutine_type.
23134 (gen_expand): Take max scratch into account.
23135 (gen_split): Emit peephole2 functions.
23136 (output_peephole2_scratch): New.
23137 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
23138 * genrecog.c (routine_type): Add PEEPHOLE2.
23140 (make_insn_sequence): Match outer parallel for peep2. Discard
23141 top level scratches and dups.
23142 (add_to_sequence): New args insn_type and top. Update all callers.
23143 Handle toplevel peep2 matching insns.
23144 (write_subroutine): Handle peep2.
23145 (write_tree_1): Likewise.
23146 (write_tree): Likewise.
23148 (change_state): New arg afterward. Update all callers.
23149 Handle matching separate insns.
23150 * recog.c (recog_next_insn): New.
23151 (peephole2_optimize): New.
23152 * rtl.def (DEFINE_PEEPHOLE2): New.
23153 * resource.c (find_free_register): New argument last_insn. Use it
23154 to find a register available through the entire span.
23155 * resource.h (find_free_register): Update prototype.
23157 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
23159 * i386.c (output_strlen_unroll): Don't write xops[7]
23160 label if it wasn't set.
23162 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
23164 * cpplib.c (struct directive): Const-ify name pointer and
23165 function pointer prototype.
23166 (validate_else, do_define, do_line, do_include, do_undef,
23167 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
23168 do_elif, do_endif, do_sccs, do_assert, do_unassert,
23169 do_warning): Const-ify second arg.
23170 (directive_table): Mark const. Reorder entries by frequency
23171 of usage, record statistics.
23173 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
23175 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
23176 bounds- check RTL accesses if --enable-checking.
23177 (RTVEC_ELT): Bounds check if --enable-checking.
23178 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
23179 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
23180 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
23182 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
23183 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
23185 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
23186 (NOTE_SOURCE_FILE): Use X0STR.
23187 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
23188 MEM_ALIAS_SET): Use X0INT.
23189 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
23190 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
23192 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
23193 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
23194 (rtl_check_failed_bounds, rtl_check_failed_type1,
23195 rtl_check_failed_type2, rtvec_check_failed_bounds): New
23197 (fancy_abort): Fix comment.
23199 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
23200 (cse_insn): Decrement LABEL_NUSES for jump target before
23201 deleting jump insn.
23202 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
23203 * final.c (alter_subreg): Compute regno before changing x to
23204 REG; set REGNO(x) after changing it.
23205 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
23206 notes containing CONST_INTs.
23207 (delete_eh_regions): Use NOTE_EH_HANDLER.
23208 * function.c (put_reg_into_stack): Make reg a MEM before
23210 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
23212 (gen_mem_addressof): Make reg a MEM before initializing it.
23213 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
23215 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
23216 deleting an insn, not after.
23217 (block_alloc): Only look at PATTERN(insn) if we have to, and
23218 only if it's format class 'i'.
23219 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
23220 CONST_INT before using its INTVAL.
23221 * print-rtl.c (print_rtx): Use X0STR.
23222 * regmove.c (fixup_match_1): Don't look at PATTERN of
23223 non-class-'i' insn chain elements.
23224 * reload.c (loc_mentioned_in_p): Take address of
23225 in->fld[1].rtx directly.
23226 * reload1.c (reload): Change reg to a MEM before initializing
23228 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
23230 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
23232 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
23234 * config/mips/mips.c (machine_dependent_reorg): Force a
23235 barrier to output the local constant pool if a barrier hasn't
23236 been found at a natural point in the instruction stream.
23238 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23240 * c-parse.in (language_string): Constify.
23242 * dwarf2out.c (language_string): Remove declaration.
23244 * dwarfout.c (language_string): Likewise.
23246 * toplev.c (language_string, init_parse, finish_parse): Likewise.
23248 * tree.h (language_string, init_parse, finish_parse): Declare.
23250 * i386/sun386.h (language_string): Remove declaration.
23252 * mips.h (language_string): Likewise.
23254 * nextstep.h (language_string): Likewise.
23256 * nextstep21.h (language_string): Likewise.
23258 * rs6000.c (language_string): Likewise.
23260 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23262 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
23263 (getpwd.o): Remove target.
23265 * getpwd.c: Delete file. Its in libiberty now.
23267 * dbxout.c (getpwd): Don't prototype.
23268 * dwarf2out.c (getpwd): Likewise
23269 * dwarfout.c (getpwd): Likewise
23270 * final.c (getpwd): Likewise.
23271 * protoize.c (getpwd): Likewise.
23273 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23275 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
23277 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
23279 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
23280 mark_set_resources.
23282 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
23284 * fixinc/Makefile.in (subdir): New.
23285 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
23288 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
23290 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
23291 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
23294 * invoke.texi: Fix typo.
23296 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
23297 changed. Handle autoincrement addressing modes.
23299 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
23300 just like we would the virtual incoming args register when
23303 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
23305 * rs6000.h (ASM_FILE_START): Specify complete filename, including
23306 path, in .file directive.
23308 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
23310 * gcc.texi (External Bugs): Remove obsolete note about Perl on
23313 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
23315 * stdbool.h: Make the typedef name _Bool, with bool a #defined
23318 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23320 * tree.c (tree_code_name): Constify a char*.
23322 * tree.h (tree_code_name, decl_printable_name): Likewise.
23324 * function.h (struct function): Likewise.
23326 * toplev.c (decl_name, decl_printable_name): Likewise.
23328 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
23330 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
23331 (init_objc): Remove function pointer cast.
23333 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
23335 * pa.md (interspace_jump): New pattern.
23336 (builtin_longjmp): New expander.
23338 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
23340 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
23341 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
23342 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
23344 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
23346 * jump.c (delete_prior_computation): Also check calls
23347 to constant functions. Don't bother checking for a
23348 REG_UNUSED note before adding it.
23349 (delete_computation): Handle multi-word hard registers
23350 when synthesizing missing REG_DEAD notes for a register
23351 which is both set and used by an insn.
23353 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23355 * loop.c (this_loop_info): New variable.
23356 (loop_has_call, loop_has_volatile, loop_has_tablejump,
23357 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
23359 (prescan_loop, strength_reduce): New argument loop_info. All callers
23361 (scan_loop): New variable loop_info, initialise to address of
23363 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
23364 Delete variable loop_has_multiple_exit targets and replace with
23365 field in this_loop_info.
23366 (find_and_verify_loops): Rename this_loop to this_loop_num.
23367 (strength_reduce): Delete loop_iteration_info. Replace variable
23368 loop_info with function argument of same name.
23369 (insert_bct): Rework test for loop being completely unrolled.
23371 * loop.h (struct loop_info): New fields num, loops_enclosed,
23372 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
23373 has_indirect_jump, and cont. Redefine use of unroll_number.
23374 (loop_unroll_number): Delete.
23376 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
23377 field of loop_info.
23378 (loop_iterations): Delete variable vtop and instead use
23379 loop_info->vtop computed in prescan_loop.
23381 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
23383 * fix-header.c (main): Do not pass a null pointer to strcmp.
23385 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
23387 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
23389 * configure: Rebuilt.
23391 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
23393 * jump.c (jump_optimize_1): Do not delete assignments to
23394 internal_arg_pointer.
23395 * cse.c (delete_trivially_dead_insns): Always consider a set of
23396 the internal_arg_pointer live.
23398 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
23400 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
23401 (update_life_info) [REG_WAS_0]: Search the original insns rather
23402 than the new insns for the note. Fix typos finding note_dest.
23403 If no dest found, discard the note rather than abort.
23404 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
23405 (replace_insns): Remove the old insn list after update_life_info
23408 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
23410 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
23411 sched_analyze_insn.
23412 (sched_analyze_1): Let add_dependence care for not adding dups.
23413 (sched_analyze_2): Likewise.
23414 (add_branch_dependences): Likewise.
23416 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
23418 * i386/winnt.c (export_list): New type.
23419 (exports_head): Rename to
23420 (export_head): this.
23421 (i386_pe_record_exported_symbol): Add is_data flag.
23422 (i386_pe_asm_file_end): Emit directive for exported variables.
23423 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
23425 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
23426 (ASM_DECLARE_OBJECT_NAME): Likewise.
23427 (ASM_DECLARE_FUNCTION_NAME): Likewise.
23428 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
23430 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
23432 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
23434 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
23437 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
23439 * config/openbsd.h: Define SET_ASM_OP.
23440 * tm.texi: cross-reference SET_ASM_OP in the index.
23442 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
23444 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
23445 for a CONST_DOUBLE, at compile time. Initialize rtx_length
23446 and class_narrowest_mode at compile time. Kill init_rtl.
23447 Mark rtx_length, mode_class, mode_size, mode_unit_size,
23448 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
23449 rtx_format as const. Kill all references to EXTRA_CC_MODES or
23451 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
23453 * rtl.h: Declare rtx_length and rtx_format as const.
23454 * machmode.def: Define CC(). Use CC() to define CCmode. If
23455 EXTRA_CC_MODES is defined, expand it here.
23456 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
23457 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
23458 const. Kill all references to EXTRA_CC_MODES.
23460 * toplev.c: Don't prototype or call init_rtl.
23461 * optabs.c: Don't call init_mov_optab.
23462 * genemit.c: Don't generate init_mov_optab. Don't call
23464 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
23466 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
23467 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
23468 genrecog.c: Don't call init_rtl.
23470 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
23471 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
23472 definition of EXTRA_CC_MODES.
23474 * md.texi: Kill ref to EXTRA_CC_NAMES.
23475 * tm.texi: Document new way to define EXTRA_CC_MODES.
23477 * genrecog.c: Do not look up the name of a define_split.
23478 (Unrelated bugfix.)
23480 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
23482 * config/v850/v850.md: Fix typo introduced by previous delta.
23484 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23486 * gcc.c (fatal): Make definition static to match prototype.
23488 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23490 * combine.c (get_last_value): Don't look for earlier sets if the last
23491 known set is somewhere in between the insns being combined.
23493 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
23495 * configure.in: Don't use shell ! to negate exit codes
23496 * configure: Regenerate
23498 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
23500 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
23501 the fact that ALIGN is measured in bits, not bytes.
23503 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
23505 * errors.c: New file; defines functions error, warning, and
23506 fatal, variables have_error and progname.
23507 * errors.h: New file; prototypes and decls for stuff in errors.c.
23509 * Makefile: Add rules to build errors.o and
23510 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
23511 genopinit, genrecog, genextract, genpeep, genattr, and
23512 genoutput with errors.o. Add errors.h to deps of genconfig.o,
23513 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
23514 genpeep.o, genattr.o, and genoutput.o.
23516 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
23517 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
23518 define or prototype fatal. Set progname at beginning of main.
23519 * genoutput.c: Likewise, and don't define or prototype error
23522 * c-typeck.c (c_expand_start_case): Return immediately if exp
23524 * fold-const.c (operand_equal_p): Return immediately if arg1
23525 or arg0 are ERROR_MARKs.
23526 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
23527 fields of type ERROR_MARK when calculating if the record can
23530 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
23531 with much help from Jeffrey A Law and Richard Henderson
23533 * i386.md: In the 6 insns which call output_fix_trunc,
23534 earlyclobber operands[0].
23536 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
23538 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
23539 creating new registers.
23541 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
23543 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
23544 i386_reg_alloc_order, i386_regparm_string,
23545 i386_align_loops_string, i386_align_jumps_string,
23546 i386_align_funcs_string, i386_preferred_stack_boundary_string,
23547 and i386_branch_cost_string as type "const char *".
23548 * i386.c: Define all above strings as type "const char *".
23550 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
23552 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
23553 when emitting alignment padding. Emit padding byte of 0 instead of 4.
23555 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
23557 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
23558 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
23560 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
23562 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
23563 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
23564 (dwarf2out_line, dwarf2out_finish): Likewise.
23565 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
23567 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
23569 * tree.c (lang_unsave_expr_now) : Correct return type.
23570 * tree.h (lang_unsave_expr_now) : Same.
23572 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
23574 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
23575 instead of duplicating code.
23577 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23579 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
23581 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
23583 * tree.h: fancy_abort always takes three args.
23584 * resource.c: Move include of system.h before toplev.h.
23586 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
23588 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
23591 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
23593 * system.h: Don't redefine abort or trim_filename.
23594 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
23595 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
23596 whether or not __FUNCTION__ is available.
23597 * tree.h: Duplicate rtl.h's definition of abort, for files
23598 that don't include rtl.h. Delete all code to perform type
23599 checking with a compiler other than GCC.
23600 * varray.h: Delete all code to perform type checking with a
23601 compiler other than GCC. Make VARRAY_CHECK() always evaluate
23602 its arguments exactly once, using a statement expression.
23603 Adjust the VARRAY_<type> accessor macros to match.
23604 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
23605 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
23606 caller's location. Define fatal_insn and fatal_insn_not_found
23607 as macros that use _fatal_insn and _fatal_insn_not_found.
23608 (fancy_abort, trim_filename): Kill prototypes.
23610 * rtl.c (trim_filename): Move here from toplev.c.
23611 (fancy_abort): New function.
23612 (DIR_SEPARATOR): Provide default definition.
23613 * tree.c (tree_check_failed, tree_class_check_failed): Go
23614 through fancy_abort.
23615 (tree_check, tree_class_check, cst_or_constructor_check,
23616 expr_check): Delete.
23617 * varray.c (varray_check_failed): New function.
23618 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
23619 _fatal_insn and _fatal_insn_not_found. Go through
23621 (trim_filename, fancy_abort): Delete.
23623 * builtins.c (expand_builtin_args_info): Report ICE with abort.
23624 * except.c (start_catch_handler): Report ICE with error/abort
23626 * final.c (output_operand_lossage): Likewise.
23627 * flow.c (verify_flow_info): Likewise.
23629 * gcc.c: Prototype fatal.
23630 * gengenrtl.c: Undef abort after including rtl.h not system.h.
23631 * genattr.c, genattrtab.c, genemit.c, genextract.c,
23632 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
23633 Don't define fancy_abort.
23635 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
23637 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
23640 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
23642 * m88k.h (VERSION_INFO2): Kill.
23643 (VERSION_STRING): Kill.
23645 (VERSION_INFO1): Tidy.
23646 (TARGET_VERSION): Update.
23647 * m88k/dgux.h (VERSION_INFO2): Kill.
23648 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
23649 * m88k/luna.h (VERSION_INFO1): Tidy.
23650 * m88k/sysv4.h (VERSION_INFO1): Likewise.
23651 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
23652 (output_file_start): Adjust for death of VERSION_STRING.
23654 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
23656 * cpplib.c (detect_if_not_defined): New function.
23657 (do_if): Use it to detect potential once-only headers.
23659 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
23661 * c-common.c (combine_strings): Always set TREE_CONSTANT.
23663 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
23665 * combine.c (nonzero_bits) : Allow single-ly set registers to be
23666 anywere in the function only if they are pseudos and set before
23667 being used (not live at the start of the function).
23668 (num_sign_bit_copies) : Same.
23669 (get_last_value_validate) : Same.
23670 (get_last_value) : Same.
23672 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
23674 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
23675 where N and M are constant and N is an integer multiple of M.
23677 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23679 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
23680 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
23681 sbitmap_union_of_preds): Add prototypes.
23682 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
23683 the intersection of successors with the new flow graph structures.
23684 (sbitmap_intersection_of_preds): New function to compute the
23685 intersection of predecessors with the new flow graph structures.
23686 (sbitmap_union_of_succs): New function to compute the union of
23687 successors with the new flow graph structures.
23688 (sbitmap_union_of_preds): New function to compute the union of
23689 predecessors with the new flow graph structures.
23690 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
23691 (expr_reaches_here_p): Use edge and basic_block structures instead
23692 of s_preds and s_succs.
23693 (compute_cprop_avinout): Use new sbitmap routines.
23694 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
23695 of s_preds and s_succs.
23696 * flow.c (compute_flow_dominators): Compute dominators using
23697 edges and basic blocks instead of s_preds and s_succs.
23699 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23701 * lists.c (unused_insn_list, unused_expr_list): New file for
23702 maintaining various types of lists. New statics for maintaining a
23703 cache of available INSN_LIST and EXPR_LIST nodes.
23704 (free_list): Static function for freeing a list of INSN/EXPR nodes.
23705 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
23706 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
23707 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
23708 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
23709 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
23710 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
23711 (free_INSN_LIST_node): Free an individual INSN_LIST node.
23712 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
23713 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
23714 (remove_dependence, free_pending_lists): Use new global routines.
23715 (flush_pending_lists, sched_analyze_insn): Use new global routines.
23716 (sched_analyze, compute_block_backward_dependences): Use new routines.
23717 (sched_analyze_1, sched_analyze_2): Use new routines.
23718 (schedule_insns): Use new global routines.
23719 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
23721 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
23722 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
23724 * toplev.c (rest_of_compilation): Initialize node cache.
23725 * Makefile.in (OBJS): Add lists.o to list of object files.
23726 (lists.o): Add dependancies.
23728 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
23730 * config/v850/v850.md: Fix compile time warning messages.
23731 * config/v850/v850.c: Fix compile time warning messages.
23732 * config/v850/v850.h: Fix compile time warning messages.
23734 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23736 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
23737 Remove unused prototype for `init_lengths'.
23739 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23741 * calls.c (emit_call_1): Mark parameter `stack_size' with
23743 (expand_call): Initialize variable `insn'.
23744 (emit_library_call): Likewise for variable `high_to_save'.
23745 (emit_library_call_value): Likewise.
23746 (store_one_arg): Likewise for variables `lower_bound' and
23749 * combine.c (try_combine): Likewise for variables `i2_code_number'
23750 and `other_code_number'.
23751 (find_split_point): Likewise for variables `pos', `unsignedp' and
23753 (simplify_if_then_else): Likewise for variables `op' and `c1'.
23754 (simplify_and_const_int): Remove unused variable `width'.
23755 (merge_outer_ops): Likewise.
23757 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
23758 HOST_WIDE_INT' when comparing against one.
23759 (simplify_relational_operation): Likewise.
23760 (cse_insn): Initialize variables `src_eqv_volatile',
23761 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
23763 * final.c (init_final): Constify parameter `filename'.
23764 (final_start_function): Mark parameter `optimize' with
23766 (profile_function): Likewise for parameters `first' and `optimize'.
23767 (output_source_line): Likewise for parameter `file'.
23769 * integrate.c (subst_constants): Cast a value to `size_t' when
23770 comparing against one.
23771 (mark_stores): Initialize variable `mode'. Cast a value to
23772 `size_t' when comparing against one.
23774 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
23776 * loop.c (move_movables): Initialize variable `first'.
23777 (strength_reduce): Likewise for variable `increment'.
23778 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
23779 value to `size_t' when comparing against one.
23780 (load_mems): Initialize variable `end_label'.
23782 * output.h (init_final): Constify parameter.
23784 * reload.c (decompose): Initialize variable `base'.
23786 * reload1.c (reload): Likewise for variable `is_scalar'.
23787 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
23788 (choose_reload_regs): Initialize variable `mode'.
23789 (emit_reload_insns): Likewise for variable `store_insn'.
23790 (reload_cse_noop_set_p): Mark parameter `insn' with
23792 (reload_combine): Initialize variable `set'.
23794 * unroll.c (unroll_loop): Likewise for variable `local_label'.
23795 (copy_loop_body): Cast a value to `size_t' when comparing against
23798 * varasm.c (assemble_variable): Initialize variable `size_tree'.
23799 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
23800 (remove_from_pending_weak_list): Mark parameter `name' with
23803 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23805 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
23808 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
23810 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
23811 (ASM_DECLARE_FUNCTION_NAME): Define.
23812 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
23813 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
23814 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
23815 not already defined.
23817 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
23819 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
23820 of n_popped when call/call_value are not defined.
23822 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
23824 * tm.texi: GNU CC -> GCC conversion.
23825 (CC1_SPEC): Indicate it is used for all language front ends.
23827 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
23829 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
23830 NOTE_INSN_EH_REGION_END correctly.
23832 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23833 Jeff Law <law@cygnus.com>
23835 * loop.c (strength_reduce): Automatically unroll loops if the
23836 unrolled loop size is smaller than the rolled loop size.
23838 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
23839 and delete comment that code should be rewritten.
23841 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
23843 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
23846 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
23848 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
23850 * fixinc/mkfixinc.sh: Don't fix uwin headers.
23851 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
23852 (LINK_SPEC): Add -u _main when building executables.
23853 (ASM_DECLARE_FUNCTION): Update from Cygwin.
23854 (ASM_FILE_END): Use the default for ix86-pe.
23855 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
23857 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
23859 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
23860 and ASM_CLOSE_PAREN are empty strings.
23862 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
23863 Geoffrey Keating <geoffk@cygnus.com>
23865 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
23866 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
23867 (unprotoize.o): Ditto.
23868 (test-protoize-simple): Don't define STD_PROTO_DIR.
23869 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
23870 changes to make 'test-protoize-simple' pass.
23871 (STD_PROTO_DIR): Remove define.
23872 (STANDARD_EXEC_PREFIX): Supply default define.
23873 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
23874 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
23875 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
23876 (GET_ENV_PATH_LIST): New macro.
23877 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
23878 (do_processing): Initialize default_syscalls_dir using new
23879 macros. Use it to initialize syscalls_absolute_filename.
23881 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
23883 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
23884 B into a register before emit_conditional_move.
23886 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
23888 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
23889 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
23890 multiplicand out of (+ (* a b) (* c d)).
23892 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
23893 Richard Henderson <rth@cygnus.com>
23895 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
23896 (new_insn_dead_notes): Likewise.
23897 (update_n_sets): Likewise.
23898 (update_flow_info): Move to flow.c, renamed to update_life_info;
23899 extend to handle multiple source insns.
23900 * flow.c: Include resource.h
23901 (unlink_insn_chain): New.
23902 (split_hard_reg_notes): New.
23903 (maybe_add_dead_note): New.
23904 (maybe_add_dead_note_use): New.
23905 (find_insn_with_note): New.
23906 (new_insn_dead_notes): New.
23907 (update_n_sets): New.
23908 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
23909 (maybe_remove_dead_notes): New.
23910 (update_life_info): New.
23911 (prepend_reg_notes): New.
23912 (replace_insns): New.
23913 * output.h (update_life_info): Declare.
23914 * recog.c (split_block_insns): Use update_life_info.
23915 * resource.c (find_free_register): Use reg_alloc_order, don't use
23916 fixed regs, make sure the mode is supported, don't use new regs.
23918 * rtl.h (replace_insns): Declare.
23920 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
23922 * expr.c (expand_expr): Cope with COND_EXPRs with one
23923 non-returning branch.
23925 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
23927 * expr.c (store_expr): Always pass down the target, even when not
23930 1999-08-24 Nick Clifton <nickc@cygnus.com>
23932 * configure.in: Define target_cpu_default for v850 targets.
23933 * configure: Regenerate
23935 * config/v850/v850.h (TARGET_CPU_generic): Define.
23936 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
23937 addresses are 4 byte aligned.
23939 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
23942 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23944 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
23945 (main): Add prototypes.
23947 * genattrtab.c (substitute_address, write_const_num_delay_slots,
23948 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
23949 (write_attr_get): Emit prototypes along with function definition.
23950 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
23951 (write_complex_function): Emit static prototype along with
23952 function definition.
23954 * genemit.c (gen_split): Emit prototypes along with function
23957 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
23958 Likewise for predicates and `insn_operand_predicate'.
23959 (process_template): Emit static prototype along with function
23962 * genrecog.c (make_insn_sequence): Constify a char*. Add
23963 prototypes for get_split_*().
23964 (write_subroutine): Emit prototypes along with function
23967 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23969 * gcse.c (find_avail_set): Follow chains of register-register copies.
23970 Use oprs_not_set_p to guarantee that the returned value can be
23972 (cprop_insn): Don't verify the return value of find_avail_set with
23975 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
23976 (cprop_cc0_jump): New function.
23977 (cprop_insn): Break out new function cprop_jump and use it.
23978 Also use cprop_cc0_jump for machines with CC0.
23979 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
23981 * tree.h (current_function_calls_setjmp,
23982 current_function_calls_longjmp): Delete declarations.
23983 * dsp16xx.c: Include "function.h".
23984 * elxsi.c: Likewise.
23985 * gmicro.c: Likewise.
23986 * h8300.c: Likewise.
23987 * i370.c: Likewise.
23988 * m32r.c: Likewise.
23989 * mn10200.c: Likewise.
23990 * mn10300.c: Likewise.
23991 * ns32k.c: Likewise.
23992 * spur.c: Likewise.
23993 * v850.c: Likewise.
23995 * rtl.h (rtx_equal_function_value_matters): Declare.
23996 * toplev.c (rtx_equal_function_value_matters): Don't declare.
23998 * function.c: Likewise.
23999 * emit-rtl.c: Likewise.
24001 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
24003 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
24006 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
24008 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
24011 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
24013 * cpp.texi: Add a node documenting macro varargs (copied
24016 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
24018 * cppspec.c: Put a null pointer at the end of the new argv.
24020 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
24022 * configure.in: Remove code to select/de-select the haifa
24023 scheduler. Every scheduled port gets haifa now.
24024 * configure: Rebuilt.
24025 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
24027 * Makefile.in: Corresponding changes.
24029 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24031 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
24032 All callers changed.
24033 (prepare_float_lib_cmp): Likewise.
24034 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
24035 * expr.h (emit_float_lib_cmp): Delete declaration.
24036 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
24037 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
24038 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
24040 (cmptf): Now conditional on TARGET_HARD_QUAD.
24042 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
24044 * resource.c (mark_target_live_regs): Use
24045 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
24047 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24049 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
24051 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
24053 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
24055 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24057 * rtl.h (rtx_format): Constify a char*.
24059 * rtl.c (rtx_format): Likewise.
24060 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
24061 (init_rtl): Use accessor macro, not `rtx_format'.
24063 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
24066 * caller-save.c (mark_referenced_regs): Likewise.
24068 * combine.c (subst, make_compound_operation, known_cond,
24069 gen_rtx_combine, update_table_tick, get_last_value_validate,
24070 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
24072 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
24073 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
24074 count_reg_usage): Likewise.
24076 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
24079 * final.c (leaf_renumber_regs_insn): Likewise.
24081 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
24082 dump_edge_info, count_reg_references): Likewise.
24084 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
24085 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
24088 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
24089 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
24090 add_label_notes): Likewise.
24092 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
24093 clear_struct_flag, count_sub_rtxs, count_alternatives,
24094 compares_alternatives_p, contained_in_p, walk_attr_value,
24095 write_expr_attr_cache): Likewise.
24097 * genconfig.c (walk_insn_part): Likewise.
24099 * genemit.c (max_operand_1, gen_exp): Likewise.
24101 * genextract.c (walk_rtx): Likewise.
24103 * genflags.c (num_operands): Likewise.
24105 * genoutput.c (scan_operands): Likewise.
24107 * genpeep.c (match_rtx): Likewise.
24109 * genrecog.c (add_to_sequence): Likewise.
24111 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
24114 * integrate.c (save_constants, copy_for_inline,
24115 copy_rtx_and_substitute, subst_constants, restore_constants):
24118 * jump.c (mark_jump_label, invert_exp, redirect_exp,
24119 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
24121 * local-alloc.c (contains_replace_regs, memref_referenced_p):
24124 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
24125 add_label_notes, replace_call_address, count_nonfixed_reads,
24126 invariant_p, find_single_use_in_loop, find_mem_givs,
24127 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
24130 * print-rtl.c (reg_names, print_rtx): Likewise.
24132 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
24134 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
24135 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
24136 print_blocks): Likewise.
24138 * regclass.c (fix_register, record_address_regs,
24139 reg_scan_mark_refs): Likewise.
24141 * regmove.c (stable_but_for_p): Likewise.
24143 * reload.c (loc_mentioned_in_p, operands_match_p,
24144 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
24145 copy_replacements, refers_to_regno_for_reload_p,
24146 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
24147 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
24150 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
24151 delete_address_reloads_1, count_occurrences,
24152 reload_cse_mem_conflict_p, reload_combine_note_use,
24153 add_auto_inc_notes): Likewise.
24155 * resource.c (mark_referenced_resources, mark_set_resources):
24158 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
24159 reg_mentioned_p, regs_set_between_p, modified_between_p,
24160 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
24161 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
24162 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
24163 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
24165 * sched.c (sched_analyze_2, attach_deaths): Likewise.
24167 * stupid.c (stupid_mark_refs): Likewise.
24169 * unroll.c (remap_split_bivs): Likewise.
24171 * varasm.c (mark_constants): Likewise.
24173 * a29k/a29k.c (uses_local_reg_p): Likewise.
24175 * alpha/alpha.c (summarize_insn): Likewise.
24177 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
24178 eliminate_lr2ip): Likewise.
24180 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
24182 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
24183 reg_mentioned_in_mem): Likewise.
24185 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
24186 symbolic_reference_mentioned_p): Likewise.
24188 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
24190 * sh/sh.c (regs_used, mark_use): Likewise.
24192 * vax/vax.c (vax_rtx_cost): Likewise.
24194 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24196 * machmode.h (mode_name): Constify a char*.
24198 * rtl.c (mode_name): Likewise.
24200 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
24202 * optabs.c (init_libfuncs): Constify a char*.
24204 * print-tree.c (mode_name): Remove redundant declaration.
24205 (print_node): Use accessor macro, not `mode_name'.
24207 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
24209 (new_spill_reg): Constify a char*.
24211 * tree.c (mode_name): Remove redundant declaration.
24213 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24215 * rtl.c (rtx_name): Constify a char*.
24217 * rtl.h (rtx_name, fix_sched_param): Likewise.
24219 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
24220 (mypr): Use accessor macro, not `rtx_name'.
24222 * genemit.c (print_code): Constify a char*.
24224 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
24226 * genpeep.c (print_code): Constify a char*.
24228 * genrecog.c (print_code): Likewise.
24230 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
24231 end_bb): Add static prototype.
24232 (draw_edge): Constify a char*.
24233 (end_bb): Remove unused parameter.
24235 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
24236 print_block_visualization): Constify a char*.
24238 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
24240 * c-common.c (c_get_alias_set): Update comment.
24242 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
24244 * linux.h (LIB_SPEC): Added.
24246 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24248 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
24250 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
24252 * tree.c (expr_check): Fix typo in last change.
24254 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
24256 * rtl.def (NOTE): Change format to "iuu0n".
24257 (ADDR_DIFF_VEC): Change format to "eEee0".
24258 (ADDRESSOF): Change format to "eit".
24260 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
24261 (RTVEC_ELT): Change to match.
24262 (XVECEXP): Use XVEC and RTVEC_ELT.
24263 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
24264 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
24265 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
24266 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
24267 TRAP_CONDITION, TRAP_CODE): Use XEXP.
24268 (INTVAL): Use XWINT.
24269 (ADDRESSOF_DECL): Use XTREE.
24270 (SET_ADDRESSOF_DECL): Delete.
24271 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
24272 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
24273 ifdefed out since 2.6 at least.
24274 (gen_rtvec_vv): Delete prototype.
24276 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
24278 (copy_most_rtx): Handle 't' format letter.
24279 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
24280 (gen_rtvec_vv): Delete function. All callers changed to use
24281 gen_rtvec_v instead.
24282 * print-rtl.c (print_rtx): Move special casing of NOTEs to
24283 the '0' format letter.
24285 * function.c (gen_mem_addressof): Don't use
24286 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
24288 * integrate.c (copy_rtx_and_substitute): Likewise.
24289 Copy 't' slots with XTREE.
24290 (subst_constants): Treat 't' slots like '[swi]' slots.
24291 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
24292 * jump.c (rtx_equal_for_thread_p): Likewise.
24293 * rtlanal.c (rtx_equal_p): Likewise.
24294 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
24295 only four arguments.
24296 * gengenrtl.c (type_from_format): Provide correct types for
24300 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
24301 If a recent gcc is in use (always in stage2 and beyond), use
24302 statement expressions, so we don't make a function call unless
24303 the check fails. Evaluate arguments exactly once.
24304 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
24305 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
24307 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
24308 they evaluate their arguments exactly once, irrespective of
24309 the compiler in use.
24311 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
24312 is used by the currently-enabled check macros. This is:
24313 (tree_check_failed, tree_class_check_failed): For gcc.
24314 (tree_check, tree_class_check, cst_or_constructor_check,
24315 expr_check): For other compilers.
24317 * gencheck.c: Do not define any *_CHECK1 macros.
24319 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
24320 Mark Mitchell <mark@codesourcery.com>
24322 * c-common.c (c_get_alias_set): Fix support for poitners and
24325 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
24327 * alias.c: Include tree.h.
24328 (nonlocal_reference_p, mark_constant_function): New functions.
24329 * flow.c (life_analysis): Call mark_constant_function.
24330 * rtl.h (mark_constant_function): Declare it.
24332 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
24334 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
24335 unrecognisable switches.
24337 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24339 * loop.c (recombine_givs): Set ix field after sorting.
24340 (recombine_givs): Remove bogus index / giv lockstep looping.
24342 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24344 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
24346 (emit_store_flag_force): Use do_compare_rtx_and_jump.
24347 (do_cmp_and_jump): Formatting fixes.
24348 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
24349 do_compare_rtx_and_jump instead of compare_from_rtx.
24350 (do_compare_rtx_and_jump): New function; mostly copied from
24352 (do_jump_for_compare): Delete.
24353 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
24355 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
24356 of compare/do_jump_for_compare pairs.
24357 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
24358 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
24359 compare_from_rtx/do_jump_for_compare pairs.
24360 (do_jump_by_parts_equality): Likewise.
24361 (do_jump_by_parts_equality_rtx): Likewise.
24362 * expr.h (do_compare_rtx_and_jump): Declare.
24363 * optabs.c (prepare_cmp_insn): New function, contains most of the code
24364 that used to be in emit_cmp_insn.
24365 (cmp_available_p): New function.
24366 (prepare_operand): New function.
24367 (emit_cmp_and_jump_insn_1): New function, contains some code that used
24368 to be in emit_cmp_insn.
24369 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
24370 parameters to be pointers; don't emit final compare but modify some of
24371 the values pointed to by the args so the caller can perform the
24372 correct comparison.
24373 (expand_binop): Call emit_store_flag_force with signed forms of
24375 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
24376 emit_jump_insn pair.
24377 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
24378 emit_cmp_and_jump_insn_1. Call emit_queue.
24379 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
24381 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
24382 jump sets cc0 before deleting it.
24383 * integrate.c (expand_inline_function): Likewise.
24384 * unroll.c (unroll_loop): Similar changes in several places.
24385 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
24386 before deleting it.
24388 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24390 * Makefile.in (insn-recog.o): Update dependencies.
24391 * genrecog.c (main): Make generated file include "function.h".
24393 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
24395 * cse.c (cse_insn): Call never_reached_warning when a jump is
24396 changed to be unconditional.
24397 * flags.h: Declare warn_notreached.
24398 * flow.c (delete_block): Call never_reached_warning when
24399 a block is deleted.
24400 * jump.c (delete_barrier_successors): Call never_reached_warning
24401 when we delete everything after a BARRIER.
24402 (never_reached_warning): New function.
24403 * rtl.h: Declare never_reached_warning.
24404 * toplev.c (warn_notreached): New variable.
24405 (lang_independent_options): Set warn_notreached
24406 when -Wunreachable-code.
24407 (compile_file): We need line numbers for -Wunreachable-code.
24409 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
24411 * haifa-sched.c (insn_unit): Fix typo on out of range test.
24412 * sched.c (insn_unit): Likewise.
24414 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
24416 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
24418 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24420 * flow.c (create_edge_list): Use xmalloc, not malloc.
24422 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
24424 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
24425 C-style comments. Do not lose the character before double slash.
24427 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24429 * basic-block.h (struct edge_list): Stucture to maintain a vector
24431 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
24432 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
24433 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
24434 New function prototypes.
24435 * flow.c (create_edge_list): Function to create an edge list.
24436 (free_edge_list): Discards memory used by an edge list.
24437 (print_edge_list): Debug output showing an edge list.
24438 (verify_edge_list): Internal consistency check for an edge list.
24439 (find_edge_index): Function to find an edge index for a pred and succ.
24441 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
24443 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
24446 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
24448 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
24450 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
24452 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
24454 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
24456 * toplev.c (rest_of_compilation): Allow machine dependent
24457 reorganisation pass to place information into the RTL dump
24458 file if it so wishes.
24460 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
24462 * explow.c (hard_function_value): Use VOIDmode instead of
24464 * stmt.c (expand_return): Likewise.
24465 * stor-layout.c (get_best_mode): Likewise.
24467 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
24468 emit call instead of emit_insn call.
24470 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
24472 * configure.in: Handle --disable/enable-win32-registry.
24473 * install.texi: Document --disable/enable-win32-registry.
24474 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
24475 (WIN32_REGISTRY_KEY): New macro.
24476 * prefix.c: Use to enable/disable win32-specific code.
24477 (lookup_key): Use versioned key.
24478 * configure: Regenerate.
24479 * config.in: Likewise.
24481 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
24483 * cpplib.c (read_line_number): New fn, split out of...
24486 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
24488 tree.c (lang_unsave_expr_now) : New.
24489 (unsave_expr_now): Call lang_unsave_expr_now.
24490 tree.h (lang_unsave_expr_now) : New.
24492 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
24494 * toplev.c (flag_new_exceptions): On by default.
24496 1999-08-13 Michael Meissner <meissner@cygnus.com>
24498 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
24500 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
24502 * dwarfout.c (fundamental_type_code): Return FT_boolean for
24503 INTEGER_TYPE with precision==1, it's __java_boolean.
24505 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24507 * global.c (prune_preferences): Move some invariants out of the
24510 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
24512 * configure.in (alpha*-dec-osf*): Add osf5.
24514 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
24516 * configure.in: Rework handling of ARM GNU/Linux slightly.
24517 (arm*-*-linux-gnuoldld): New target.
24518 * configure: Regenerate.
24519 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
24520 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
24521 * config/arm/linux-oldld.h: New file.
24522 * config/arm/linux-elf26.h: Don't include linux-elf.h.
24523 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
24525 * config/arm/linux-elf.h (ASM_SPEC): Define.
24526 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
24527 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
24528 for 26-bit APCS and old linker.
24529 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
24531 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
24532 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
24533 don't define `arm' or `arm_elf'.
24534 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
24535 MULTILIB_DIRNAMES): Define. Fix typo in comment.
24537 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
24539 * rtl.texi: Fix typo.
24541 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
24543 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
24545 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
24547 * extend.texi (C++ Signatures): Remove node.
24548 * invoke.texi: Remove discussion of -fhandle-signatures,
24549 signature, sigof, __signature__, and __sigof__.
24551 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
24553 * Makefile.in (JAVAGC): Removed.
24555 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
24557 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
24559 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
24561 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
24563 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
24565 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
24566 a register that is already known to be a pointer.
24568 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
24570 * fixinc/inclhack.tpl: Only install assert.h conditionally.
24571 * fixinc/inclhack.sh: Regenerated.
24572 * fixinc/fixincl.sh: Regenerated.
24574 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
24576 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
24577 Fix documentation of -ansi flag to describe its C++ behavior.
24578 Remove bogus reference to GCC 2.9.
24580 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
24582 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
24583 note if it is non-NULL.
24585 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24587 * except.h (eh_nesting_info): Add new structure defintion.
24588 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
24589 (reachable_handlers, update_rethrow_references): Add function
24591 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
24592 a rethrow symbol instead of an integer exception region number.
24593 * flow.c (Make_edges): Use new exception nesting routines to determine
24594 which handlers are reachable from a CALL or asynchronous insn.
24595 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
24597 (delete_eh_regions): Update rethrow labels, and don't delete
24598 regions which are the target of a rethrow.
24599 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
24600 avoid overloading the SYMBOL_REF_USED flag.
24601 (rethrow_symbol_map): Use new rethrow_ref field.
24602 (rethrow_used): Use new rethrow_ref field.
24603 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
24604 of an integer. Fix formatting.
24605 (output_exception_table_entry): Use new rethrow_ref field.
24606 (can_throw): Check for EH_REGION_NOTE before deciding
24607 whether a CALL can throw or not.
24608 (scan_region): Call rethrow_used() instead of accessing data structure.
24609 (update_rethrow_references): New function to make sure only regions
24610 which are still targets of a rethrow are flagged as such.
24611 (process_nestinfo): New static function to initialize a handler
24612 list for a specific region.
24613 (init_eh_nesting_info): New function to allocate and initialize
24614 the list of all EH handlers reachable from all regions.
24615 (reachable_handlers): New function to retrieve the list of handlers
24616 reachable from a specific region and insn.
24617 (free_eh_nesting_info): New function to dispose of a list of
24618 reachable handlers.
24620 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24622 * flow.c (split_edge): Set JUMP_LABEL field.
24623 (commit_one_edge_insertion): Set head correctly for insert_before.
24624 When inserting insns, update insn block numbers if allocated.
24626 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24628 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
24629 retry_incomplete_types): Add static prototype.
24630 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
24631 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
24632 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
24633 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
24634 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
24637 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
24638 dwarf2out_start_source_file, dwarf2out_line): Likewise.
24640 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24642 * output.h (assemble_name): Constify a char*.
24644 * varasm.c (UNIQUE_SECTION, assemble_start_function,
24645 assemble_variable, assemble_name): Likewise.
24647 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
24649 * arm/pe.c (arm_pe_unique_section): Likewise.
24651 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
24653 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
24655 * i386/interix.c (i386_pe_unique_section): Likewise.
24657 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
24659 * i386/winnt.c (i386_pe_unique_section): Likewise.
24661 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
24663 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
24665 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
24667 * pa/pa.c (output_call): Likewise.
24669 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
24671 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
24673 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
24676 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
24679 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
24681 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
24682 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
24684 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
24686 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24688 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
24690 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24692 * tree.h (lang_identify): Constify a char*.
24693 (print_error_function): Add extern prototype. Constify a char*.
24695 * c-lang.c (lang_identify): Constify a char*.
24697 * objc/objc-act.c (lang_identify): Constify a char*.
24699 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24701 * genpeep.c (main): Make generated file include "function.h".
24702 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
24704 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24706 * Makefile.in: Update dependencies.
24707 * alias.c: Include "function.h"
24708 * c-decl.c: Likewise.
24709 * caller-save.c: Likewise.
24710 * calls.c: Likewise.
24711 * combine.c: Likewise.
24713 * explow.c: Likewise.
24714 * final.c: Likewise.
24715 * global.c: Likewise.
24716 * graph.c: Likewise.
24717 * local-alloc.c: Likewise.
24718 * loop.c: Likewise.
24719 * optabs.c: Likewise.
24720 * profile.c: Likewise.
24721 * recog.c: Likewise.
24722 * regclass.c: Likewise.
24723 * regmove.c: Likewise.
24724 * reload.c: Likewise.
24725 * reorg.c: Likewise.
24726 * resource.c: Likewise.
24727 * sched.c: Likewise.
24728 * stupid.c: Likewise.
24729 * config/1750a/1750a.c: Likewise.
24730 * config/a29k/a29k.c: Likewise.
24731 * config/arc/arc.c: Likewise.
24732 * config/arm/arm.c: Likewise.
24733 * config/arm/thumb.c: Likewise.
24734 * config/c4x/c4x.c: Likewise.
24735 * config/clipper/clipper.c: Likewise.
24736 * config/convex/convex.c: Likewise.
24737 * config/fx80/fx80.c: Likewise.
24738 * config/i860/i860.c: Likewise.
24739 * config/m68k/m68k.c: Likewise.
24740 * config/m88k/m88k.c: Likewise.
24741 * config/mips/mips.c: Likewise.
24742 * config/pdp11/pdp11.c: Likewise.
24743 * config/pyr/pyr.c: Likewise.
24744 * config/romp/romp.c: Likewise.
24745 * config/sh/sh.c: Likewise.
24746 * config/tahoe/tahoe.c: Likewise.
24747 * config/vax/vax.c: Likewise.
24748 * config/we32k/we32k.c: Likewise.
24749 * config/sparc/sparc.c: Include "function.h".
24750 (mem_min_alignment): Test current_function rather than
24751 regno_pointer_align.
24752 * config/pa/pa.c: Likewise.
24753 (compute_frame_size): Delete declaration of
24754 current_function_outgoing_args_size.
24755 * config/arc/arc.h (current_function_varargs): Delete declaration.
24756 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
24758 * config/i370/i370.h (current_function_outgoing_args_size): Delete
24760 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
24761 current_function_uses_pic_offset_table.
24762 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
24763 of current_function_returns_pointer.
24764 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24765 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24766 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24767 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24768 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24769 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24770 * config/m88k/m88k.c: Include "function.h"
24771 (call_used_regs, current_function_pretend_args_size,
24772 current_function_outgoing_args_size, frame_pointer_needed): Delete
24774 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
24776 * config/mips/mips.h (current_function_calls_alloca): Delete
24778 * config/mn10200/mn10200.h (current_function_needs_context,
24779 rtx_equal_function_value_matters): Delete declarations.
24780 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
24781 flag_pic): Delete declarations.
24782 * config/pa/pa.h (current_function_pretend_args_size,
24783 current_function_decl): Delete declarations.
24784 * config/pa/som.h (current_function_varargs): Delete declaration.
24785 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
24787 * config/pyr/pyr.h (current_function_pretend_args_size,
24788 current_function_args_size, current_function_calls_alloca): Delete
24790 * config/sh/sh.h (current_function_varargs): Delete declaration.
24791 * config/sparc/sparc.h (current_function_outgoing_args_size,
24792 current_function_calls_alloca, current_function_decl): Delete
24794 * config/spur/spur.h (current_function_pretend_args_size,
24795 current_function_calls_alloca): Delete declarations.
24796 * config/v850/v850.c (current_function_outgoing_args_size): Delete
24798 * config/vax/vms.h (current_function_name): Delete declaration.
24799 * gcse.c: Include "function.h".
24800 (current_function_name, current_function_calls_setjmp): Delete
24802 * haifa-sched.c: Include "function.h".
24803 (forced_labels): Delete declaration.
24804 * jump.c: Likewise.
24805 * reg-stack.c: Likewise.
24806 * reload1.c: Likewise.
24807 * genemit.c (main): Make generated file include function.h.
24808 * genoutput.c (output_prologue): Likewise.
24810 * builtins.c (saveregs_value, apply_args_value): Delete variables.
24811 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
24812 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
24813 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
24814 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
24815 macros for some of them.
24816 (emit_filename, emit_lineno): Delete declarations.
24817 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
24818 regno_pointer_* variables through current_function.
24819 (gen_inline_header_rtx): Delete function.
24820 (save_emit_status): Delete function.
24821 (set_new_last_label_num): New function.
24822 (clear_emit_caches): New function.
24823 (restore_emit_status): Just clear last_labelnum and call
24825 (get_last_insn_anywhere): Variable sequence_stack is now accessed
24826 through macro seq_stack.
24827 (add_insn_after): Likewise.
24828 (add_insn_before): Likewise.
24829 (remove_insn): Likewise.
24830 (pop_topmost_sequence): Likewise.
24831 (in_sequence_p): Likewise.
24832 (start_sequence_for_rtl_expr): Likewise.
24833 (start_sequence): Likewise, and likewise for
24834 sequence_rtl_expr/seq_rtl_expr.
24835 (push_topmost_sequence): Likewise.
24836 (end_sequence): Likewise.
24837 (init_virtual_regs): Now takes a "struct emit_status *" argument.
24838 All callers changed. Store into that pointer instead of globals.
24839 (init_emit): Allocate emit elt of current_function.
24840 Changes for sequence_rtl_expr/sequence_stack renaming.
24841 Call clear_emit_caches instead of doing it in-line.
24842 Access regno_pointer_* variables through current_function.
24843 (init_emit_once) Don't clear sequence_stack.
24845 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
24847 (arg_pointer_save_area): Delete declaration.
24848 (finish_expr_for_function): Renamed from init_queue; no longer static.
24849 (init_expr): Don't call init_queue.
24850 (save_expr_status, restore_expr_status): Delete functions.
24851 (expand_expr): Changes to reflect new layout of struct function.
24852 Don't access current_function_check_memory_usage when current_function
24854 * expr.h (forced_labels, save_expr_regs, saveregs_value,
24855 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
24856 current_function_outgoing_args_size, current_function_arg_offset_rtx,
24857 current_function_uses_const_pool, function_call_count,
24858 current_function_uses_pic_offset_table, nonlocal_labels,
24859 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
24860 current_function_check_memory_usage, nonlocal_goto_handler_slots,
24861 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
24863 (finish_expr_for_function): Declare.
24864 * flags.h (current_function_has_nonlocal_label,
24865 current_function_has_nonlocal_goto, current_function_is_thunk,
24866 current_function_has_computed_jump): Delete declarations.
24867 * flow.c (forced_labels): Delete declaration.
24868 * function.c (current_function_pops_args,
24869 current_function_returns_struct, current_function_returns_pcc_struct,
24870 current_function_needs_context, current_function_calls_setjmp,
24871 current_function_calls_longjmp, current_function_has_nonlocal_label,
24872 current_function_has_nonlocal_goto, current_function_is_thunk,
24873 current_function_has_computed_jump, current_function_calls_alloca,
24874 current_function_contains_functions, current_function_returns_pointer,
24875 current_function_epilogue_delay_list, current_function_args_size,
24876 current_function_pretend_args_size, current_function_arg_offset_rtx,
24877 current_function_outgoing_args_size, current_function_varargs,
24878 current_function_stdarg, current_function_args_info, cleanup_label,
24879 current_function_name, current_function_uses_const_pool,
24880 current_function_instrument_entry_exit, current_function_return_rtx,
24881 current_function_uses_pic_offset_table, nonlocal_labels,
24882 current_function_internal_arg_pointer, current_function_cannot_inline,
24883 current_function_check_memory_usage, function_call_count,
24884 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
24885 nonlocal_goto_stack_level, return_label, save_expr_regs,
24886 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
24887 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
24888 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
24889 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
24890 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
24892 (push_function_context_to): Don't save them. Don't call
24893 save_storage_status, save_emit_status or save_expr_status.
24894 (pop_function_context_from): Don't restore them. Don't call
24895 restore_storage_status or restore_expr_status.
24896 (get_func_frame_size): New function.
24897 (get_frame_size): Use it.
24898 (assign_outer_stack_local): Reflect some member name changes in struct
24900 (put_reg_into_stack): Likewise.
24901 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
24903 (fixup_var_refs): Likewise.
24904 (fix_lexical_addr): Likewise.
24905 (trampoline_address): Likewise.
24906 (prepare_function_start): Clear field inlinable of current_function.
24907 (init_function_for_compilation): New function.
24908 (expand_dummy_function_end): New function.
24909 (expand_function_end): Call finish_expr_for_function.
24910 * function.h (struct emit_status): New; fields moved here from struct
24911 function and from global variables. Add accessor macros for some of
24913 (struct expr_status): Likewise.
24914 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
24915 (struct function): Add fields expr and emit, inlinable, inl_emit,
24916 original_arg_vector, original_decl_initial, inl_last_parm_insn,
24917 inl_max_label_num. Add many comments.
24918 Add accessor macros for all elts of struct function that no longer
24919 have a global variable.
24920 (cleanup_label, return_label, frame_offset, tail_recursion_label,
24921 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
24922 stack_slot_list): Delete declarations.
24923 (get_func_frame_size): Declare.
24924 (save_expr_status, restore_expr_status, save_emit_status,
24925 save_storage_status, restore_storage_status): Delete declarations.
24926 (init_virtual_regs): Declare.
24927 * output.h (current_function_pops_args,
24928 current_function_returns_struct, current_function_returns_pcc_struct,
24929 current_function_needs_context, current_function_calls_setjmp,
24930 current_function_calls_longjmp, current_function_calls_alloca,
24931 current_function_has_nonlocal_label, current_function_varargs,
24932 current_function_has_computed_jump, current_function_returns_pointer,
24933 current_function_contains_functions, current_function_args_size,
24934 current_function_pretend_args_size, current_function_stdarg,
24935 current_function_outgoing_args_size, current_function_args_info,
24936 current_function_name, current_function_return_rtx,
24937 current_function_epilogue_delay_list,
24938 current_function_uses_const_pool, current_function_cannot_inline):
24939 Delete declarations.
24940 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
24941 regno_reg_rtx): Delete declaration.
24942 (REGNO_POINTER_FLAG): Delete macro.
24943 * stmt.c (expand_goto): Changes to reflect that some fields in struct
24944 function were renamed.
24945 * stor-layout.c (save_storage_status, restore_storage_status): Delete
24947 * toplev.c: Include "function.h".
24948 (current_function_decl): Delete declaration.
24949 (compile_file): Call init_dummy_function_start and
24950 expand_dummy_function_end around some initializations that need to
24952 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
24953 Call init_function_for_compilation.
24954 * unroll.c: Include "function.h"
24955 (unroll_loop): Access regno_pointer_* variables through
24958 * tree.h (struct tree_decl): Add elt f to saved_insns member.
24959 (DECL_SAVED_INSNS): use it.
24960 (expand_dummy_function_end): Declare.
24961 (init_function_for_compilation): Declare.
24962 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
24963 that it's no longer an INLINE_HEADER.
24964 (expand_call): Likewise.
24965 * integrate.c (finish_inline): Delete function.
24966 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
24967 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
24968 args. Don't generate an INLINE_HEADER rtx, just return the arg
24969 vector. All callers changed.
24970 (save_for_inline_copying): Create a duplicate struct emit_status to
24971 hold the emit state for compiling the current function. Use this and
24972 the other new fields in struct function that are for integration
24973 instead of an INLINE_HEADER.
24974 Use memcpy instead of bcopy.
24975 Store the current struct function in DECL_SAVED_INSNS of fndecl.
24976 (save_for_inline_nocopy): Similar changes, except no new emit_status
24978 (expand_inline_function): Get information from function structure,
24979 not from an inline header rtx.
24980 (output_inline_function): Lose code to extract the necessary
24981 information from an inline header; simply put back the function
24982 structure into current_function. Clear its inlinable elt.
24983 * rtl.def (INLINE_HEADER): Delete.
24984 * rtl.h: Delete all accessors for an INLINE_HEADER.
24985 (gen_inline_header_rtx): Delete declaration.
24986 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
24987 Delete declarations.
24988 (REGNO_POINTER_ALIGN): Delete.
24989 (clear_emit_caches): Declare.
24990 (set_new_last_label_num): Declare.
24992 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
24994 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
24996 * except.c (expand_eh_region_start_for_decl): Always start a new block.
24997 * stmt.c (is_eh_region): Make sure current_function is present, too.
24999 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
25001 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
25002 for 64bit PA targets.
25004 * pa.h (SELECT_SECTION): Define.
25005 * som.h (SELECT_SECTION): Delete.
25007 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25009 * alias.c (init_alias_analysis): Wrap call to
25010 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
25012 1999-08-07 Bruce Korb <autogen@linuxbox.com>
25014 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
25015 <sys/asm.h> contains an asm comment with an apostrophe
25016 * fixinc/inclhack.sh: regen
25017 * fixinc/fixincl.x: regen
25019 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
25021 * function.c (init_function_start): Clear prologue & epilogue.
25022 (prologue_epilogue_contains): New function.
25023 * alias.c (init_alias_analysis): Use it.
25024 * rtl.h (prologue_epilogue_contains): Declare it.
25026 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
25028 * jump.c (onlyjump_p): New function.
25029 * rtl.h: Declare it.
25030 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
25031 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
25033 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
25035 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
25036 to invert loops. Simplify block scanning.
25038 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25040 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
25041 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
25043 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
25045 * config/sparc/liteelf.h: New file to support sparclite-elf target
25046 * config/sparc/t-sp86x: New file to support sparc86x targets
25047 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
25048 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
25049 * configure.in: Support above target triplets
25050 * configure: Regenerated
25052 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
25054 * fixinc/server.c (server_setup): Do not prefix function used as
25055 parameter with `&'.
25057 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
25059 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
25060 Remove fp reg alternatives.
25062 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
25064 * Makefiin (TAROUTOPTS): Kill.
25065 (install-headers-tar): Use "xpf" for tar headerfile extraction
25066 * i370/x-oe (TAROUTOPTS): Delete.
25067 * m68k/x-apollo68 (TAROUTOPTS): Delete.
25068 * m68k/x-hp320 (TAROUTOPTS): Delete.
25069 * m68k/x-hp320g (TAROUTOPTS): Delete.
25070 * gcc.texi: Update bug reporting text.
25072 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
25074 * reg-stack.c (change_stack) Fixed problem with negative array index.
25076 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
25078 * extend.texi, install.texi: Fix spelling mistakes.
25080 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
25081 (s-attrtab); No longer try to use pre-made insn-attrtab file.
25082 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
25083 PREMADE_ATTRTAB_MD.
25084 * mips/t-ecoff: Likewise.
25085 * mips/t-elf: Likewise.
25086 * mips/t-mips: Likewise.
25087 * mips/t-osfrose: Likewise.
25088 * mips/t-r3900: Likewise.
25089 * mips/t-svr3: Likewise.
25090 * mips/t-svr4: Likewise.
25091 * mips/t-ultrix: Likewise.
25093 * gcc.texi: Document recommend means to provide software floating
25094 point libraries in libgcc.a
25096 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
25098 * c-lex.c (yylex): We can have a number with no digits.
25100 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
25102 * jump.c (delete_prior_computation): New function, broken
25103 out of delete_computation. Check for side effects with
25104 side_effects_p instead of FIND_REG_INC_NOTE. Handle
25105 multi-word hard registers.
25106 (delete_computation): Use it. Check for side effects with
25107 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
25108 missing REG_DEAD note for a register which is both set and
25111 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
25113 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
25114 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
25115 (ASM_FILE_START): Import _mcount with the right type.
25116 (ASM_DECLARE_FUNCTION_NAME): Define.
25117 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
25118 * pa.c (output_function_prologue): Always emit the function's label
25120 * pa.h (TEXT_SPACE_P): Define.
25121 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
25122 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
25123 * som.h (TEXT_SPACE_P): Delete.
25124 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
25125 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
25127 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
25129 * expr.c (emit_group_load): Allow src to be a CONCAT.
25131 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25133 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
25134 (___mulsi3): Use '!' comment character.
25136 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25138 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
25140 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
25142 * gcc.c: Update URLs and mail addresses.
25143 * gcc.texi: Likewise.
25145 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
25147 * rs6000.c (current_file_function_operand): Return zero for
25149 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
25151 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
25154 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
25156 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
25157 allocate space in the stack frame for the PIC register.
25159 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
25161 * m68k.md (xordi3, anddi3): These patterns are not available on
25164 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
25166 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
25167 (PUT_REAL): Likewise.
25169 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25171 * final.c (shorten_branches): Don't add an alignment for loops
25172 that have no label inside.
25174 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25176 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
25177 prototypes in macro HAVE_cmpstrsi.
25179 * cpplib.c (cpp_get_token): Remove unused label `op3'.
25181 * emit-rtl.c (operand_subword): Remove unused variable
25184 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
25186 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
25188 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
25190 * cpphash.c (macroexpand): Delete leading whitespace when arg
25191 is concatenated before.
25192 (unsafe_chars): Correct test for whether + and - can extend a
25195 * cppinit.c (cpp_start_read): Do dependencies for
25196 -include/-imacros files also.
25198 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
25199 tokenizing non-directive lines.
25200 (cpp_expand_to_buffer): Temporarily disable no-output mode.
25201 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
25204 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25206 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
25208 * c-lex.c: Sync with C++ frontend.
25209 (linemode): New variable.
25210 (parse_float): imag, conversion_errno, and type are output only.
25211 (yylex): Adjust. Move initial '.' case into main switch.
25213 (handle_generic_pragma): Just deal with tokens.
25214 (readescape): Use ISXDIGIT and ISGRAPH.
25215 * c-parse.in: Add END_OF_LINE token.
25217 * c-lex.c (lang_init): Generalize.
25218 (nextchar): Remove. Replace uses with UNGETC.
25219 (skip_white_space): Handle linemode here. Optimize for cpplib.
25220 (skip_white_space_on_line): Remove.
25221 (extend_token_buffer_to): New fn.
25222 (extend_token_buffer): Use it.
25223 (read_line_number, check_newline): Just deal with tokens.
25224 (token_getch, token_put_back): New fns.
25225 (yylex): Use them. More cpplib optimizations. Simplify.
25227 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
25228 Jason Merrill <jason@yorick.cygnus.com>
25230 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
25231 (consume_string): Make this smart about USE_CPPLIB.
25232 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
25233 (yylex): Rewrite to be intelligent about USE_CPPLIB.
25234 Also, clean up cases where we redundantly set token_buffer[0].
25235 (read_line_number): New fn.
25236 (ignore_escape_flag): New variable.
25238 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
25240 * a29k/t-a29kbare: Fix some comments.
25241 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
25242 (FPBIT, DPBIT): Define.
25243 * a29k/t-vx29k: Likewise.
25244 * arc/t-arc: Likewise.
25245 * arm/t-arm-elf: Likewise.
25246 * arm/t-bare: Likewise.
25247 * arm/t-pe: Likewise.
25248 * arm/t-pe-thumb: Likewise.
25249 * arm/t-semi: Likewise.
25250 * arm/t-thumb: Likewise.
25251 * arm/t-thumb-elf: Likewise.
25252 * arm/t-thumb-linux: Likewise.
25253 * h8300/t-h8300: Likewise.
25254 * i960/t-i960: Likewise.
25255 * i960/t-vxworks960: Likewise.
25256 * m32r/t-m32r: Likewise.
25257 * mips/t-ecoff: Likewise.
25258 * mips/t-elf: Likewise.
25259 * mips/t-r3900: Likewise.
25260 * pa/t-pro: Likewise.
25261 * rs6000/t-aix43: Likewise.
25262 * rs6000/t-beos: Likewise.
25263 * rs6000/t-newas: Likewise.
25264 * rs6000/t-ppccomm: Likewise.
25265 * rs6000/t-rs6000: Likewise.
25266 * rs6000/t-winnt: Likewise.
25267 * rs6000/t-xnewas: Likewise.
25268 * rs6000/t-xrs6000: Likewise.
25269 * sh/t-sh: Likewise.
25270 * sparc/t-elf: Likewise.
25271 * sparc/t-sparcbare: Likewise.
25272 * sparc/t-sparclite: Likewise.
25273 * sparc/t-splet: Likewise.
25274 * v850/t-v850: Likewise.
25275 * mn10200/t-mn10200: Fix comments.
25276 * mn10300/t-mn10300: Likewise.
25278 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
25279 dummy operand. Allocate a new pseudo for the dummy operand.
25280 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
25282 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
25284 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
25286 * configure: Rebuilt.
25287 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
25289 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
25291 * recog.c (preproces_constraints): Zero recog_op_alt before
25292 processing the constraints.
25294 * arm.c (typedef minipool_node): Renamed from pool_node.
25295 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
25296 (add_minipool_constant): New function.
25297 (dump_minipool): New function.
25298 (find_barrier): Remove special case for getting the insn size of
25299 an insn that references the constant pool.
25300 (minipool_fixup): New structure.
25301 (push_minipool_barrier): New function.
25302 (push_minipool_fix): New function.
25303 (note_invalid_constants): New function.
25304 (add_pool_constant, dump_table, fixit, broken_move): Delete.
25305 (arm_reorg): Rewrite code to fix up the constant pool into a
25306 series of mini-pools embedded in the insn stream.
25307 (arm_output_epilogue): New function, made mainly from the body
25308 of output_func_epilogue.
25309 (output_func_epilogue): Move insn generation part of epilogue code
25310 to arm_output_epilogue.
25311 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
25312 * arm.md (pool_range): New attribute.
25313 (zero_extendqidi2): Add attribute pool_range.
25314 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
25315 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
25316 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
25317 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
25318 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
25319 (epilogue): New expand.
25320 (epilogue_insn): New insn. Call arm_output_epilogue.
25322 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
25323 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
25325 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25327 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
25329 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
25331 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
25333 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
25335 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
25337 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
25339 * global.c: Fix comment.
25341 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
25343 * gcc.c (access_check): New static function.
25344 (find_a_file): Use it when searching a directory list.
25345 * collect2.c (find_a_file): Don't accept directories found when
25346 searching a directory list.
25348 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
25350 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
25351 function parameters with `&'.
25352 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
25354 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
25356 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
25357 or tidy_fallthru_edge if the last insn in the block is not
25358 an unconditional jump or a simple conditional jump.
25360 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25362 * Makefile.in (c-decl.o): Depends on defaults.h.
25364 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
25366 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
25368 (CLASS_MAX_NREGS): Likewise.
25370 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
25372 * cse.c (cse_insn): Fix dumb thinko in last change.
25374 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25376 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
25379 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
25381 * dwarf2out.c (add_location_or_const_value_attribute): Correct
25382 test for sizes of passed and declared parameter types.
25384 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25386 * fixincludes: Fix the return type of bsearch, char* -> void*.
25388 * fixinc/inclhack.def: Likewise.
25390 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
25392 * invoke.texi (-fdump-translation-unit): New option.
25394 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
25396 * expr.h (PROMOTE_PROTOTYPES): Move ...
25397 * defaults.h: ... to here.
25398 * c-decl.c: Include defaults.h instead of expr.h.
25399 * c-typeck.c: Include defaults.h.
25401 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
25403 * toplev.h (errorcount): Declare.
25404 (warningcount): Likewise.
25405 (sorrycount): Likewise.
25406 * c-lex.c (errorcount): Don't declare.
25407 * dwarf2out.c (errorcount): Don't declare.
25409 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
25411 * config/libgloss.h: Add a note discouraging use with ELF.
25412 * configure.in: Don't use libgloss.h for ELF targets.
25413 Always use_collect2 on a.out targets.
25415 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
25417 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
25418 (force_to_mode, case ASHIFTRT): Add shiftrt label.
25420 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25422 * loop.c (strength_reduce): When doing biv->giv conversion, update
25423 reg note of NEXT->insn.
25425 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25427 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
25429 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25431 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
25432 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
25433 Ensure expr.h is included.
25434 * c-typecheck.c (convert_arguments): Ditto.
25436 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
25438 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
25439 * config/convex/convex.h: Ditto.
25440 * config/dsp16xx/dsp16xx.h: Ditto.
25441 * config/fx80/fx80.h: Ditto.
25442 * config/gmicro/gmicro.h: Ditto.
25443 * config/i370/i370.h: Ditto.
25444 * config/i386/i386.h: Ditto.
25445 * config/m32r/m32r.h: Ditto.
25446 * config/m68k/m68k.h: Ditto.
25447 * config/m88k/m88k.h: Ditto.
25448 * config/mips/mips.h: Ditto.
25449 * config/pa/pa.h: Ditto.
25450 * config/pyr/pyr.h: Ditto.
25451 * config/tahoe/tahoe.h: Ditto.
25452 * config/we32k/we32k.h: Ditto.
25454 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
25455 based on arch size.
25457 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
25459 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
25462 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
25464 1999-08-02 Richard Henderson <rth@cygnus.com>
25466 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
25467 for the register spill block.
25468 (m32r_va_arg): New.
25469 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
25470 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
25472 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
25473 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
25474 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
25476 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25478 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
25479 MAX_WCHAR_TYPE defined in sparc.h.
25480 * config/sparc/linuxaout.h: Likewise.
25481 * config/sparc/linux64.h: Likewise.
25482 Also default to -mvis if CPU is UltraSPARC.
25484 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25486 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
25487 (RTX_OK_FOR_OLO10): Likewise.
25488 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
25489 %lo(), allow it in addresses...
25490 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
25491 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
25492 does not make sense.
25493 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
25494 (sparc_output_scratch_registers): New function.
25495 (output_function_prologue, sparc_flat_output_function_prologue): Use
25497 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
25499 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
25500 * configure.in: Add check for .register pseudo-op support in as and
25501 check for offsetable %lo().
25502 * acconfig.h: Add templates for the above checks.
25503 * configure: Regenerate.
25505 1999-08-02 Richard Henderson <rth@cygnus.com>
25507 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
25508 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
25509 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
25511 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25513 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25516 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25518 * config/float-sparc.h: New file.
25519 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
25520 sparc-*-linux-gnu and sparc64-*-linux*.
25522 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25524 * rs6000.c (rs6000_va_list): Type is an array.
25525 (rs6000_va_start): Don't doubly adjust for varargs.
25526 (rs6000_va_arg): Evaluate long long GPR adjustment.
25528 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
25530 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
25531 -maix64 and -maix32.
25532 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
25533 LINK_SPEC): Change appropriately.
25534 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
25535 (u_short_cint_operand): Likewise.
25536 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
25538 * rs6000/t-aix43 (MULTILIB): Change to -m64.
25540 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
25542 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
25544 * rs6000/rs6000.c (num_insns_constant_wide): Correct
25545 for type promotion.
25546 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
25547 (non_add_cint_operand): Likewise.
25548 (logical_operand): Likewise.
25549 (non_logical_cint_operand): Likewise.
25550 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
25551 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
25552 (rs6000_select_rtx_section): Suppress warning.
25553 (small_data_operand): Suppress warning.
25554 (rs6000_got_register): Suppress warning.
25555 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
25556 type, so `J' is generally the wrong constraint for a SImode value;
25558 (andsi3_internal2): Likewise.
25559 (andsi3_internal3): Likewise.
25560 (iorsi3_internal1): Likewise.
25561 (xorsi3_internal1): Likewise.
25563 (movsf_softfloat): Likewise.
25564 (scc insns): Likewise.
25565 (movsi+2): Preserve sign bits of SImode constant.
25566 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
25567 (movdf+1): Sign-extend properly.
25568 (movdi_32+1): Sign-extend properly.
25569 (scc insns): Sign-extend properly.
25571 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
25574 1999-08-02 Richard Henderson <rth@cygnus.com>
25576 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
25577 -mcpu parsing code.
25578 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
25579 * alpha.md (all fp insns): Likewise.
25581 1999-08-02 Nick Clifton <nickc@cygnus.com>
25583 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
25586 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
25588 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
25589 pic_load_label generator directly.
25590 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
25591 No longer a named pattern.
25593 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
25595 * explow.c (force_reg): Call force_operand if X does not
25596 satisfy general_operand.
25598 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
25600 * fix-header.c (main): When testing for CONTINUED, use string
25601 equality, not pointer equality.
25603 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
25605 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
25607 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
25609 * cse.c (cse_insn): Fix loop which deletes insns after a jump
25610 that has become an unconditional jump.
25612 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
25613 (output_function_epilogue): Similarly.
25615 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25617 * tree.h (init_dummy_function_start): Declare.
25619 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25621 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
25622 last_expr_type, last_expr_value, block_start_count, block_stack,
25623 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
25624 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
25625 dynamically in stmt elt of struct function for each function.
25626 (struct nesting): Rename function_call_count elt to n_function_calls,
25627 target_temp_slot_level to block_target_temp_slot_level. All users
25629 (struct stmt_status): New structure definition.
25630 Add many accessor macros for stmt_status elements which previously
25631 were global variables.
25632 (init_stmt_for_function): Allocate stmt elt for current_function.
25633 Reflect that block_start_count was renamed to
25634 current_block_start_count.
25635 (save_stmt_status, restore_stmt_status): Delete functions.
25636 (preserve_subexpressions_p): Don't access loop_stack when outside
25638 (expand_start_bindings): Reflect that block_start_count was renamed to
25639 current_block_start_count.
25640 (expand_fixup): Likewise.
25641 (expand_decl): Don't access block_stack when outside a function.
25642 (expand_decl_cleanup): Likewise.
25643 (expand_dcc_cleanup): Likewise.
25644 (expand_dhc_cleanup): Likewise.
25645 (expand_anon_union_decl): Likewise.
25646 (set_file_and_line_for_stmt): New function.
25647 (in_control_zone_p): New function.
25649 * function.h (struct function): Add new elt stmt.
25650 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
25651 case_stack, nesting_stack, nesting_depth, block_start_count,
25652 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
25653 emit_lineno, goto_fixup_chain.
25654 (save_eh_status, restore_eh_status, save_stmt_status,
25655 restore_stmt_status): Delete declarations.
25656 * function.c (push_function_context_to): Don't call save_stmt_status.
25657 (pop_function_context_to): Don't call restore_stmt_status.
25658 * tree.h (in_control_zone_p): Declare.
25659 * rtl.h (set_file_and_line_for_stmt): Declare.
25661 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
25662 call set_file_and_line_for_stmt.
25664 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
25666 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
25667 Also update copyright.
25669 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25671 * c-pragma.c: Don't include "except.h".
25672 * emit-rtl.c: Likewise.
25673 * stor-layout.c: Likewise.
25674 * tree.c: Likewise.
25675 * varasm.c: Likewise.
25677 * flow.c: Include "function.h".
25678 * tree.h (init_dummy_function_start): Declare new function.
25680 * except.h (struct eh_status): New structure.
25681 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
25683 (eh_return_stub_label, ehstack, catchstack, ehqueue,
25684 catch_clauses, false_label_stack, caught_return_label_stack,
25685 protect_list, current_function_ehc): Add accessor macros for the
25686 corresponding fields in current_function->eh; delete declarations
25687 for all items that used to be declared here.
25688 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
25689 catch_clauses, false_label_stack, caught_return_label_stack,
25690 protect_list, current_function_ehc): Delete variables.
25691 (init_eh_for_function): Allocate current_function->eh.
25692 (save_eh_status, restore_eh_status): Delete functions.
25694 * function.h (struct function): Add fields next_global and eh.
25695 Delete all exception handling related fields.
25696 * function.c (current_function): New variable.
25697 (all_functions): New variable.
25698 (push_function_context_to): Don't allocate a struct function,
25699 use current_function instead. Call init_dummy_function_start when
25700 outside a function. Clear current_function before returning.
25701 (pop_function_context_from): Restore current_function.
25702 Don't free the restored struct function.
25703 (prepare_function_start): New function.
25704 (init_dummy_function_start): New function.
25705 (init_function_start): Break out some code into prepare_function_start
25708 * stmt.c (save_stmt_status): Don't call save_eh_status.
25709 (restore_stmt_status): Don't call restore_eh_status.
25711 * Makefile.in: Update dependencies.
25713 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
25715 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
25716 of depending on a magic constant value. Update comments.
25717 (hppa_expand_prologue): Similarly.
25719 * pa.md (reload_indi, reload_outdi): Allow any register for the
25720 original reload register.
25722 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
25724 * cccp.c (print_help): Change marcos to macros.
25726 1999-07-30 Richard Henderson <rth@cygnus.com>
25728 * c-typeck.c (initializer_constant_valid_p): Move ...
25729 * c-common.c (initializer_constant_valid_p): ... here. Use
25730 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
25731 of label addresses.
25732 * c-common.h (initializer_constant_valid_p): Declare.
25733 * c-tree.h (initializer_constant_valid_p): Remove.
25735 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
25737 * config/i386/sol2-c1.asm: Align the stack.
25738 * config/i386/sol2-gc1.asm: Likewise.
25740 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
25742 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
25743 -Asparclite for sparc86x.
25744 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
25746 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
25748 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
25750 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
25751 the user if using the non-default arch size in BI_ARCH configuration.
25752 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
25754 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
25755 Fix patterns so that they actually match.
25756 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
25757 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
25758 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
25760 (mulsidi3): Reflect this in the expand.
25761 (smulsi3_highpart): Only on TARGET_ARCH32.
25762 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
25763 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
25764 (umulsidi3): Reflect this in the expand.
25765 (umulsi3_highpart): Only on TARGET_ARCH32.
25766 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
25767 don't require g0 to be zero.
25768 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
25769 ({,u}divsi3): New expands.
25770 ({,u}divsi3_sp64): New patterns.
25771 (after lshrdi3_v8plus): Four new patterns to help combiner
25772 optimizing nested mixed mode shifts.
25774 * config/sparc/sparc.c (sparc_override_options): Use deprecated
25775 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
25776 speed things up. Don't use them by default on plain v9 in 64bit
25777 mode, according to what SPAMv9 sais.
25779 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
25780 top 32 bits of %[og][0-7] in signal handlers.
25781 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
25783 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
25785 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
25786 (ashlsi3): Corresponding changes.
25788 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
25790 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
25792 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
25794 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25796 * arm.h (Hint): Delete macro.
25797 Substitute HOST_WIDE_INT for Hint in some prototypes.
25798 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
25800 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
25802 * builtins.c (expand_builtin_setjmp): Use force_operand to
25803 make sure that the buffer address is in a suitable form to be
25804 passed to force_reg.
25806 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
25808 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
25811 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
25813 * pa.md (indirect_jump): Remove mode from match_operand. Verify
25814 proper mode in the condition string.
25815 (icacheflush, dcacheflush): Remove modes from match_operands.
25817 * pa.c (emit_move_sequence): Always convert scratch_reg to the
25818 proper mode before using it.
25820 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
25823 * pa.c (store_reg): Do not call add_high_const generator directly.
25824 (load_reg, set_reg_plus_d): Likewise.
25825 * pa.md (add_high_const): No longer a named pattern.
25827 * pa.c (legitimize_address): Consistently use Pmode rather than
25828 SImode. Do not call gen_pic2_highpart directly anymore.
25829 * pa.md (pic2_highpart): No longer a named pattern.
25830 (pic2_lo_sum): Similarly. Reformat to make more readable.
25832 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
25837 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25839 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
25841 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
25843 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
25844 and tag the spill mems.
25845 (hppa_va_start): New.
25846 (hppa_va_arg): New.
25847 * pa.h (EXPAND_BUILTIN_VA_START): New.
25848 (EXPAND_BUILTIN_VA_ARG): New.
25850 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
25852 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
25853 and tag the spill mems.
25854 (mn10300_va_start): New.
25855 (mn10300_va_arg): New.
25856 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
25857 (EXPAND_BUILTIN_VA_ARG): New.
25859 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
25861 * mn10200.c (mn10200_va_arg): New.
25862 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
25864 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
25866 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
25867 rather than play with TREE_INT_CST_LOW.
25869 1999-07-27 Philip Blundell <pb@nexus.co.uk>
25871 * config/arm/telf.h: Include dbxelf.h.
25872 (CPP_PREDEFINES): Only define if not already defined.
25873 (ASM_IDENTIFY_GCC): Likewise.
25874 (SUBTARGET_EXTRA_SECTIONS): Likewise.
25875 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
25876 * config/arm/thumb.h (LINK_SPEC): Only define if not already
25878 (DBX_DEBUGGING_INFO): Don't define.
25879 * config/arm/linux-telf.h: New file.
25880 * config/arm/linux-tgas.h: New file.
25881 * config/arm/t-thumb-linux: New file.
25882 * config/arm/uclinux-elf.h: New file.
25883 * config/arm/uclinux-telf.h: New file.
25884 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
25885 thumb-*-uclinux): New targets.
25886 * configure: Regenerate.
25888 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
25890 * pa.md (post_store, pre_load): New expanders.
25891 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
25892 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
25893 need to directly generate RTL for them.
25894 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
25897 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
25899 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
25900 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
25901 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
25902 (secndary_reload_class): Make TARGET_ELF conditional compile.
25903 (print_operand_address): Similar.
25904 (output_toc): Print all values as hex.
25905 (get_issue_rate): Rearrange and add RS64A and PPC630.
25906 * rs6000.h (processor_type): Add RS64A and PPC630.
25907 (PROCESSOR_POWERPC64): New.
25908 (PROMOTE_MODE): Use word_mode.
25909 (RTX_COSTS): Add RS64A and PPC630.
25910 * rs6000.md (scheduling information): Add lmul and ldiv
25911 representing 64-bit integer multiply and divide. Add rs64a and
25912 PPC630 information.
25913 (ashldi3): Add support for "rldic" instruction.
25914 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
25916 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
25918 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
25919 instead of V8 for sparclite86x in cpu_table.
25921 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25923 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
25924 output_file_directive.
25926 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
25928 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
25929 tree for op1, not the rtl.
25931 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
25933 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
25934 to m88k_va_start, leaving only the register spill.
25935 (m88k_build_va_list): New.
25936 (m88k_va_start): New.
25937 (m88k_va_arg): New.
25938 * m88k.h (BUILD_VA_LIST_TYPE): New.
25939 (EXPAND_BUILTIN_VA_START): New.
25940 (EXPAND_BUILTIN_VA_ARG): New.
25942 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
25944 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
25945 Rename from expand_builtin_saveregs.
25946 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
25948 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
25950 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
25951 for the register spill block.
25952 (i960_build_va_list): New.
25953 (i960_va_start): New.
25954 (i960_va_arg): New.
25955 * i960.h (BUILD_VA_LIST_TYPE): New.
25956 (EXPAND_BUILTIN_VA_START): New.
25957 (EXPAND_BUILTIN_VA_ARG): New.
25958 * i960.md (store_multiple): Use change_address on individul mems.
25960 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
25962 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
25964 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
25965 (expand_builtin_va_end): Evaluate arg for side effects.
25966 * c-common.c (c_common_nodes_and_builtins): Construct a
25967 va_list_arg_type_node to handle array decomposition to pointer.
25969 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
25971 * except.c (st_dynamic_cleanup): Use force_operand on the
25974 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
25976 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
25977 * c4x.c (c4x_va_arg): New.
25979 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
25981 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
25982 has manual_pop set.
25984 1999-07-26 Nathan Sidwell <nathan@acm.org>
25986 * eh-common.h (__eh_matcher): Prototype correctly.
25988 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
25990 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
25991 (TARGET_SINGLE_PIC_BASE): Likewise.
25992 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
25994 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
25995 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
25996 (TARGET_OPTIONS): Add -mpic-register=N.
25997 (OUTPUT_INT_ADDR_CONST): New macro.
25998 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
25999 LEGITIMATE_PIC_OPERAND_P): Likewise.
26000 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
26001 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
26002 output_addr_const directly.
26003 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
26005 (thumb_pic_register, thumb_pic_register_string): Declare.
26007 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
26009 (label_mentioned_p): New function: Imported from arm.c.
26010 (legitimize_pic_address): New function: Imported from arm.c.
26011 (is_pic):New function: Imported from arm.c.
26012 (thumb_finalize_pic):New function: Imported from arm.c.
26013 (add_constant): Cope with PIC constants.
26014 (fixit): Cope with PIC constants.
26015 (output_return): Do not treat the PIC register as live if
26016 TARGET_SINGLE_PIC_BASE is true.
26017 (thumb_function_prologue): Do not treat the PIC register as live if
26018 TARGET_SINGLE_PIC_BASE is true.
26019 (thumb_expand_prologue): Do not treat the PIC register as live if
26020 TARGET_SINGLE_PIC_BASE is true.
26021 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
26022 TARGET_SINGLE_PIC_BASE is true.
26023 (thumb_print_operand): Accept '|'.
26024 (thumb_override_options): Process PIC options.
26026 * config/arm/thumb.md (movsi): Support PIC.
26027 (call_insn): Change "i" constraint to "X".
26028 (call_value_insn): Likewise.
26029 (consttable_4, consttable_8, consttable_end): Set and clear
26030 "making_const_table" as appropriate.
26031 (pic_load_addr, pic_add_dot_plus_four): New insns.
26033 * invoke.texi (Thumb Options): Fix spelling. Document new
26034 options -msingle-pic-base and -mpic-register=.
26036 1999-07-26 Andrew Haley <aph@cygnus.com>
26038 * config/m32r/initfini.c (__init): Use a full word immediate for
26039 __fini: this allows it to be placed in any memory region.
26041 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
26042 -mmodel=medium. This is OK for all memory models.
26044 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
26046 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
26047 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
26049 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
26051 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
26054 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
26056 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
26058 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
26059 (BUILD_VA_LIST_TYPE): New.
26060 (EXPAND_BUILTIN_VA_START): New.
26061 (EXPAND_BUILTIN_VA_ARG): New.
26062 * i860.c (output_delayed_branch): Disable.
26063 (output_delay_insn): Likewise.
26064 (i860_saveregs): New.
26065 (i860_build_va_list): New.
26066 (i860_va_start): New.
26067 (i860_va_arg): New.
26068 * i860.md: Disable all peepholes using output_delayed_branch.
26069 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
26071 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
26073 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
26074 (BUILD_VA_LIST_TYPE): New.
26075 (EXPAND_BUILTIN_VA_START): New.
26076 (EXPAND_BUILTIN_VA_ARG): New.
26077 * clipper.c (clipper_builtin_saveregs): Only dump registers.
26078 Return the address of the save area.
26079 (clipper_build_va_list): New.
26080 (clipper_va_start): New.
26081 (clipper_va_arg): New.
26083 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
26085 * arc.h (EXPAND_BUILTIN_VA_START): New.
26086 (EXPAND_BUILTIN_VA_ARG): New.
26087 * arc.c (arc_setup_incoming_varargs): Set alias set of
26089 (arc_va_start): New.
26092 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
26094 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
26095 (BUILD_VA_LIST_TYPE): New.
26096 (EXPAND_BUILTIN_VA_START): New.
26097 (EXPAND_BUILTIN_VA_ARG): New.
26098 * alpha.c (alpha_builtin_saveregs): Delete.
26099 (alpha_build_va_list): New.
26100 (alpha_va_start): New.
26101 (alpha_va_arg): New.
26103 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
26105 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
26107 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
26108 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
26110 * gcc.texi: More changes related to list conversion.
26111 * invoke.texi: Likewise.
26113 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
26115 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
26116 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
26117 (expand_builtin_next_arg): Accept ARGLIST not EXP.
26118 (stabilize_va_list): New function.
26119 (std_expand_builtin_va_start): New function.
26120 (expand_builtin_va_start): New function.
26121 (get_varargs_alias_set): New function.
26122 (std_expand_builtin_va_arg): New function.
26123 (expand_builtin_va_arg): New function.
26124 (expand_builtin_va_end): New function.
26125 (expand_builtin_va_copy): New function.
26126 (expand_builtin): Call them.
26127 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
26128 __builtin_{varargs_start,stdarg_start,end,copy}.
26129 (build_va_arg): New function.
26130 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
26131 (build_va_arg): Declare.
26132 * c-decl.c (ptr_type_node, va_list_type_node): New.
26133 * c-parse.gperf (__builtin_va_arg): New.
26134 * c-parse.in (VA_ARG): New token.
26135 (unary_expr): Recognize it.
26136 * expr.c (expand_expr): Expand VA_ARG_EXPR.
26137 * expr.h (std_expand_builtin_va_start): Declare.
26138 (std_expand_builtin_va_arg): Declare.
26139 (expand_builtin_va_arg): Declare.
26140 (get_varargs_alias_set): Declare.
26141 * tree.def (VA_ARG_EXPR): New.
26142 * tree.h (BUILT_IN_VARARGS_START): New.
26143 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
26144 (ptr_type_node, va_list_type_node): Declare.
26145 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
26146 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
26147 * m88k.h, m88k.c: Likewise.
26148 * mn10300.h, mn10300.c: Likewise.
26149 * pa.h, pa.c: Likewise.
26150 * rs6000.h, rs6000.c: Likewise.
26151 * sh.h, sh.c: Likewise.
26152 * sparc.h, sparc.c: Likewise.
26154 * emit-rtl.c (operand_subword): Copy alias set.
26155 (change_address): Likewise.
26157 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
26159 * pa.c (compute_frame_size): Scan all the used callee saved registers,
26160 not just the first one.
26162 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
26164 * config/arm/arm.h (TARGET_SWITCHES): Add
26165 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
26166 (TARGET_OPTIONS): Add -mpic-register=.
26167 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
26168 (arm_pic_register_string): Declare.
26169 (NEED_PLT_GOT): Delete, replace with ...
26170 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
26171 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
26172 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
26173 * config/arm/arm.c (arm_override_options): Add new option
26175 (arm_pic_register_string): New variable.
26176 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
26177 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
26178 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
26179 (output_return_instruction): Likewise.
26180 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
26181 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
26182 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
26184 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
26185 mention of -msched-prolog. Document new options -msingle-pic-base
26186 and -mpic-register=.
26188 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
26190 * haifa-sched.c (reemit_notes): Tidy.
26191 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
26194 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
26196 * explow.c (trunc_int_for_mode): New function.
26197 (plus_constant_wide): Use it.
26198 * combine.c (simplify_and_const_int): Likewise.
26199 (merge_outer_ops): Likewise.
26200 (simplify_shift_const): Likewise.
26201 * cse.c (simplify_unary_operation): Likewise.
26202 (simplify_binary_operation): Likewise.
26203 * emit-rtl.c (operand_subword): Likewise.
26204 * rtl.h: Declare it.
26206 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26208 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
26209 (use NUM_REGS instead of NUM_INTS).
26211 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26213 * builtins.c: New file.
26214 * expr.c (saveregs_value, apply_args_value): Delete definition,
26215 moved into builtins.c.
26216 (string_constant): No longer static.
26217 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
26218 apply_args_size, apply_result_size, result_vector,
26219 expand_builtin_apply_args, expand_builtin_apply,
26220 expand_builtin_return): Delete functions, moved into builtins.c.
26221 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
26222 * expr.h (saveregs_value, apply_args_value): Declare variables.
26223 (expand_builtin, string_constant): Declare functions.
26224 * Makefile.in: Update to build builtin.o.
26226 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
26228 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
26229 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
26230 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
26231 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
26233 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
26236 1999-07-21 Michael Meissner <meissner@cygnus.com>
26238 * print-rtl.c (print_rtx): Print the names of the virtual
26241 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
26243 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
26244 introduced in previous delta.
26246 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26248 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
26249 to avoid name clash.
26251 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
26253 * c-lex.c (yylex) : Correct the test for overflow when lexing
26256 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
26258 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
26259 (adjust_priority): Always call ADJUST_PRIORITY.
26260 (schedule_insn): Only put insns into the ready at cost 0.
26261 (schedule_block): Remove redundant initial sort. Give clock_var
26262 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
26264 * tm.texi (MD_SCHED_REORDER): Update docs.
26266 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
26267 * sparc.c (ultra_reorder_called_this_block): Delete.
26268 (ultrasparc_sched_init): Don't set it.
26269 (ultrasparc_sched_reorder): Don't check it.
26271 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
26273 * rs6000.h (struct rs6000_args): Add sysv_gregno.
26274 * rs6000.c (init_cumulative_args): Init sysv_gregno.
26275 (function_arg_boundary): Align DFmode.
26276 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
26277 to get fp reg and stack overflow correct.
26278 (function_arg): Likewise.
26279 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
26280 (setup_incoming_varargs): Restructure for ABI_V4; use
26281 function_arg_advance to skip final named argument.
26282 (expand_builtin_saveregs): Properly unskip the last integer arg
26283 when doing varargs. Adjust overflow location calculation.
26285 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
26286 explicitly unsigned.
26287 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
26288 (__VA_GP_REGSAVE): Similarly.
26289 (__va_longlong_p): Delete.
26290 (__va_arg_type_violation): New declaration.
26291 (va_arg): Restructure. Flag promotion errors. Align double.
26292 TFmode passed by reference.
26294 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
26295 in the HOST_BITS_PER_WIDE_INT > 32 case.
26297 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
26299 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
26301 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
26303 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
26304 * toplev.c (documented_lang_options): Add -fpreprocessed.
26305 * cpplib.h (struct cpp_buffer): Add preprocessed.
26306 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
26307 (cpp_start_read): Don't expand macros or emit an initial #line
26308 directive if -fpreprocessed.
26310 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
26312 * cpplib.h (struct cpp_buffer): Added manual_pop for
26313 better C++ tokenization.
26314 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
26315 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
26316 * c-common.c (cpp_token): Make non-static.
26318 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26320 * c-common.h: New file.
26321 * c-common.c (permanent_obstack): Delete unused declaration.
26322 (c_global_trees): New array.
26323 (c_common_nodes_and_builtins): New function; split off common code
26324 from init_decl_processing in both c-decl.c and cp/decl.c.
26325 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
26326 c_global_trees and accessor macros defined in c-common.h.
26327 Include c-common.h.
26328 * c-decl.c: Delete definitions for tree nodes that were replaced by
26330 (init_decl_processing): Build void_list_node.
26331 Call c_common_nodes_and_builtins; delete code to generate the common
26333 * objc/objc-act.c (build_module_descriptor): Rename variable
26334 void_list_node to avoid clash with c-common.h.
26336 * Makefile.in: Update dependencies.
26337 * objc/Make-lang.in: Likewise.
26339 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
26341 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
26342 (UNIQUE_SECTION_P): Likewise.
26343 (UNIQUE_SECTION): Likewise.
26345 1999-07-19 Linas Vepstas <linas@linas.org>
26347 * config/i370/README: New file.
26348 * config/i370/linux.h: New file.
26349 * config/i370/mvs.h: New file.
26350 * config/i370/oe.h: New file.
26351 * config/i370/t-linux: New file.
26352 * config/i370/t-mvs: New file.
26353 * config/i370/t-oe: New file.
26354 * config/i370/x-oe: New file.
26355 * config/i370/xm-linux.h: New file.
26356 * config/i370/xm-mvs.h: New file.
26357 * config/i370/xm-oe.h: New file.
26359 * i370.c (label_node_t): Add first_ref_page, label_addr,
26360 label_first_ref, label_last_ref members.
26361 (mvs_need_base_reload): Renamed from mvs_label_emitted.
26362 (MAX_MVS_LABEL_SIZE): Define.
26363 (MAX_LONG_LABEL_SIZE): Define.
26364 (alias_node_t, alias_anchor, alias_number): New.
26365 (mvs_function_table): Reorder for EBCDIC.
26366 (ascebc, ebcasc): Unconditionally define.
26367 (i370_branch_dest, i370_branch_length): New functions.
26368 (i370_short_branch, i370_label_scan): New functions.
26369 (mvs_get_label): Renamed from mvs_add_label. Search for
26370 an existing label before creating a new one.
26371 (mvs_add_label): New function.
26372 (mvs_get_label_page): New function.
26373 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
26374 over the entire list.
26375 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
26376 (mvs_check_page) [TARGET_ELF_ABI]: New function.
26377 (mvs_add_alias, mvs_need_alias): New functions.
26378 (mvs_get_alias, mvs_check_alias): New functions.
26379 (handle_pragma): New function.
26380 (mvs_function_check): New function.
26381 (unsigned_jump_follows_p): Search harder.
26382 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
26383 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
26384 * i370.h (TARGET_VERSION): Delete.
26385 (CPP_SPEC, CPP_PREDEFINES): Delete.
26386 (mvs_label_emitted): Delete.
26387 (TARGET_EBCDIC): Delete.
26388 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
26389 (HANDLE_PRAGMA): Define.
26390 (HARD_REGNO_NREGS): Handle complex modes.
26391 (HARD_REGNO_MODE_OK): Likewise.
26392 (CLASS_MAX_NREGS): Likewise.
26393 (RET_REG): Likewise.
26394 (EXTRA_CONSTRAINT): Define.
26395 (RETURN_IN_MEMORY): True for DImode.
26396 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
26397 (FUNCTION_PROFILER): Delete.
26398 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
26399 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
26400 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
26401 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
26402 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
26403 (ASM_FILE_START): Add "RMODE ANY".
26404 (ASM_OUTPUT_EXTERNAL): Check for aliases.
26405 (ASM_GLOBALIZE_LABEL): Likewise.
26406 (ASM_OUTPUT_LABELREF): Likewise.
26407 (ASM_OUTPUT_COMMON): Likewise.
26408 (PRINT_OPERAND): Handle 'K', 'W', default.
26409 (PRINT_OPERAND_ADDRESS): New.
26410 (Lots of defines): Add support for TARGET_ELF_ABI.
26411 * i370.md (attr length): New. Define for all patterns.
26412 (*): Lots of tweeks to assembly output and constraints.
26414 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
26416 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
26417 Disable patterns performing SImode comparisons with SImode values
26418 if TARGET_POWERPC64 and instruction does not sign-extend or does
26419 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
26420 differ for signed quantities.
26421 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
26422 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
26423 (decrement_and_branch_on_count): Add 64-bit variant.
26425 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26427 * final.c (output_asm_insn): When searching for the matching string
26428 for a given dialect, don't run past the end of the list of
26429 alternatives if there are fewer alternatives in the template than
26432 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
26434 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
26435 Removed paragraph about compression of files and size limitation,
26436 duplicated in the FAQ. Use gcc-patches for posting patches.
26437 * gcc.c (main): Updated URL with bug reporting instructions to
26438 gcc.gnu.org. Removed e-mail address.
26439 * system.h (abort): Likewise.
26441 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26443 * Makefile.in (stmp-multilib-sub): Make the files extracted
26444 from $(LIBGCC1) writable.
26446 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
26448 * config/arm/aout.h: Reformat for improved readability.
26450 * config/arm/arm.h: Reformat for improved readability.
26451 Replace uses of fprintf with asm_fprintf where appropriate.
26452 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
26453 function declaration assembler actions.
26454 (NUM_INTS): New macro: Convert from bytes to words.
26455 (NUM_REGS): New macro: Compute number of registers required to
26456 hold a quanitity of tyep MODE.
26457 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
26459 (NUM_ARG_REGS): New macro: The number of argument registers
26461 (ARG_REGISTER): New macro: Compute the register number of the Nth
26463 (LAST_ARG_REGNUM): New macro: The number of the last argument
26465 (SP_REGNUM): New macro: Register number of the stack pointer.
26466 (FP_REGNUM): New macro: Register number of the frame pointer.
26467 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
26468 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
26469 CUMULATIVE_ARGS so that it counts registers not bytes.
26471 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
26473 Replace uses of fprintf with asm_fprintf where appropriate.
26474 (output_ascii_pseudo_op): Replace with version from thumb.c
26476 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
26478 * config/arm/elf.h (CPP_PREDEFINES): Replace with
26479 SUBTARGET_CPP_SPEC.
26480 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
26481 (ASM_FILE_START): Emit ASM_APP_OFF.
26483 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
26485 * pa.c (compute_frame_size): Round frame according to
26486 STACK_BOUNDARY rather than a hardwired value.
26488 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
26490 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
26492 * configure: Rebuilt.
26494 * configure.in (hppa*-*-linux*): New configuration.
26495 * configure: Rebuilt.
26496 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
26497 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
26498 * pa/pa-linux.h: New file.
26499 * pa/t-linux: New file.
26500 * pa/xm-linux.h: New file.
26502 * pa.c (hppa_legitimize_address): Change references from SImode to
26503 either Pmode or word_mode as appropriate.
26504 (emit_move_sequence, store_reg, load_reg): Likewise.
26505 (set_reg_plus_d, hppa_expand_prologue): Likewise.
26506 (output_mul_insn): Likewise.
26507 * pa.h (PROMOTE_MODE): Likewise.
26508 (INITIALZE_TRAMPOLINE): Likewise.
26509 (Pmode): Define to word_mode.
26511 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
26512 value of 4. Allocate 8 bytes for each FP register save.
26513 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
26515 (hppa_expand_prologue): Likewise.
26516 * pa.h (PROMOTE_MODE): Likewise.
26517 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
26518 (FUNCTION_ARG_BOUNDARY): Likewise.
26520 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
26522 * pa.c (out_of_line_prologue_epilogue): Delete.
26523 (override_options): Remove -mspace related code.
26524 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
26525 (compute_frame_size): Only allocate space for register that
26526 actually need to be saved.
26527 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
26528 (TARGET_SWITCHES): Remove -mspace, -mno-space
26529 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
26530 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
26531 * pa/ee.asm, pa/ee_fp.asm: Delete.
26533 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
26535 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
26536 directive in column zero.
26538 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
26540 * m68k.c (output_function_prologue): Fix computation of save mask
26541 when generating PIC code.
26543 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
26545 * tree.c (build_type_attribute_variant): Move current_obstack restore
26546 after build_qualified_type call.
26548 1999-07-15 Mark Mitchell <mark@codesourcery.com>
26550 * configure.in: Use t-iris6, even with GNU LD.
26551 * config/mips/iris6gld.h: Fix typo in linker spec.
26552 * config/mips/t-iris6gld: Remove.
26554 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
26556 * rs6000.md (insv, extzv): Remove SImode dependence in named
26557 patterns. Explicitly generate DImode RTL if PowerPC64 and
26559 (insvdi): Reverse start and size in instruction template.
26561 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
26563 * invoke.texi: Typo fixes.
26565 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
26567 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
26568 handle at this time instead of silently generating incorrect code.
26569 (gen_imagpart): Likewise.
26571 * reload.c (find_reloads): Emit a USE for a pseudo register without
26572 a hard register if we could not create an optional reload for the
26575 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26577 * c-typeck.c (output_init_element, process_init_element):
26578 When advancing constructor_unfilled_fields for a RECORD_TYPE,
26579 check for nameless bit fields.
26581 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
26583 * regclass.c (scan_one_insn): Notice subregs that change the
26584 size of their operand.
26585 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
26587 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
26589 * configure.in (alpha*-*-*): Include alpha/t-ieee.
26590 * configure: Rebuilt.
26591 * alpha/t-ieee: New file.
26593 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
26595 * rs6000.c (find_addr_reg): Do not select r0 as an address
26598 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
26600 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
26602 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
26604 * rs6000.md (movsf): Do not force easy FP constants into memory.
26606 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
26607 immed_double_const to ensure they are properly truncated then
26610 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
26612 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
26613 always unless NO_DEBUG is used. Compile this code
26615 (replace_symbols_in_block): Compile it unconditionally.
26617 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
26619 * configure.in (i?86-*-elf*): New target.
26620 * configure: Rebuilt.
26621 * i386/i386elf.h, i386/t-i386elf: New files.
26623 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
26625 * toplev.c (main): Don't complain about saying -gdwarf.
26626 (rest_of_compilation): Remove redundant code.
26628 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
26630 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
26632 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
26634 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
26635 "Li960R:", to avoid name clash.
26637 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26639 * loop.c (check_dbra_loop): When reversing a loop, delete all
26640 REG_EQUAL notes referencing the reversed biv except those which are
26641 for a giv based on it.
26643 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
26645 * version.c: Drop "gcc-" prefix from version #.
26647 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
26649 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
26650 the label if we're being verbose.
26652 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
26654 * m68k.c (output_function_prologue): Add pic register to mask
26655 if live and flag_pic.
26656 (output_function_epilogue): Likewise.
26658 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
26660 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
26661 directives in column zero.
26663 * pa/elf.h (ASM_FILE_START): Define.
26664 * pa/som.h (ASM_FILE_START): Include .level directives.
26665 * pa/hpux10.h (ASM_FILE_START): Delete.
26666 * pa/hpux11.h (ASM_FILE_START): Delete.
26668 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
26670 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26672 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
26673 when reload_out equals reload_in.
26675 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
26677 * invoke.texi (Spec Files): New node: Describe the contents of
26680 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
26682 * invoke.texi (DEC Alpha Options): Put @end table at
26683 beginning of line, to avoid confusing texi2html.
26685 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
26687 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
26688 introduced in previous delta.
26690 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26692 * reload1.c (gen_reload): When synthesizing a 3 operand add
26693 sequence, improve test for when to reload OP1 into the reload
26694 register instead of OP0.
26696 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
26698 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
26700 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
26702 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
26705 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
26707 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
26708 (va_dcl): Use __builtin_va_alist_t.
26710 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
26712 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
26713 on the permanent_obstack.
26714 * dwarfout.c (output_type): Likewise.
26716 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
26718 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
26719 Merged from c-typeck.c and cp/typeck.c.
26720 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
26721 Merged into c-common.
26723 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
26725 * c-lex.c (errorcount): Declare it.
26726 (finish_parse): Update errorcount when using CPPLIB.
26728 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
26730 * fixinc/inclhack.def(end_else_label): Double the backslash so
26731 sed gets a chance to see it.
26732 * fixinc/inclhack.sh: regen
26733 * fixinc/fixincl.x: regen
26735 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
26737 Add framework to support armv5 architecture when it becomes
26740 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
26741 (arm_arch5): New variable.
26742 (all_architectures): Add armv5 line.
26743 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
26744 -march=armv5 is specified on the command line.
26745 (arm_arch5): Export this variable.
26746 * invoke.texi: Document new string accepted by -march= switch for
26749 * config/arm/arm.h: Replace use of constant 12 as a register
26750 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
26751 * config/arm/arm.c: Replace use of constant 12 as a register
26752 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
26754 * config/arm/elf.h: Tidy up.
26755 * config/arm/coff.h: Tidy up.
26757 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
26759 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
26760 * gcc/config/mips/t-iris6gld: New file.
26761 * gcc/config/mips/iris6gld.h: Likewise.
26763 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
26765 * c-decl.c (widest_integer_literal_type_node,
26766 widest_unsigned_literal_type) : New.
26767 (init_decl_processing): Handle/use the two new types.
26768 * c-common.c (type_for_size,type_for_mode) : Same.
26769 * c-lex.c (yylex) : Same.
26770 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
26772 * c-tree.h (widest_integer_literal_type_node,
26773 widest_unsigned_literal_type) : New.
26775 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
26777 * dwarfout.c (field_byte_offset): Correctly compute the object's
26778 byte offset for the first bit of a field which crosses an alignment
26779 boundary on a !BYTES_BIG_ENDIAN target.
26781 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
26783 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
26786 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
26787 Jeff Law <law@cygnus.com>
26789 * ginclude/varargs.h (va_dcl): Use word_mode for type of
26792 * except.c: Include intl.h.
26793 (expand_eh_return): Set current_function_cannot_inline.
26794 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
26795 * function.h (struct function): Add eh_return_stub_label.
26796 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
26797 * Makefile.in (except.o): Depend on intl.h.
26799 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
26801 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
26802 same as offsettable in cases 1 and 2.
26804 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
26806 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
26807 (extlh, extwh): Likewise.
26809 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
26811 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
26813 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
26815 * configure.in: Add arm-pe and thumb-pe targets.
26816 * configure: Regenerate.
26818 * thumb.c (arm_naked_function_p): New function: Determines if
26819 a function is naked (has no gcc generated prologue/epilogue).
26820 (is_called_in_ARM_mode): Return true if the func has the
26821 interfacearm attribute.
26822 (output_return): Do not generate a return for naked functions.
26823 (thumb_function_prologue): Do not generate a prologue for
26825 (thumb_expand_prologue): Do not generate a prologue for naked
26827 (thumb_expand_epilogue): Do not generate an epilogue for naked
26829 (arm_valid_machine_decl_attribute): New function, copied from
26830 arm.c: Permit naked and interfacearm attributes.
26832 * config/arm/pe.c: New file: Support code for arm-pe target.
26833 * config/arm/pe.h: New file: Header file for arm-pe target.
26834 * config/arm/tpe.h: New file: Header file for thumb-pe target.
26835 * config/arm/t-thumb-pe: New file: Makefile fragment for
26838 1999-07-01 Mark Kettenis <kettenis@gnu.org>
26840 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
26841 -fPIC or -fpic is specified.
26843 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
26845 * expr.c (emit_block_move): Use copy_to_mode_reg for
26846 !TARGET_MEM_FUNCTIONS case too.
26848 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
26850 * configure: Rebuilt.
26851 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
26852 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
26853 definitions made redundant by dbxelf.h inclusion. Delete
26854 lots of definitions related to assembly output that are
26855 specific to the SOM object format.
26856 * pa.c (output_function_prologue): Do not emit the function's
26858 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
26859 * pa-pro.h: Deleted.
26860 * som.h: New file with SOM specific definitions.
26861 * elf.h: New file with ELF specific definitions.
26863 * elfos.h (const_section): Output a tab before assembler directives.
26864 (ctors_section, dtors_section): Likewise.
26865 (ASM_OUTPUT_SECTION_NAME): Likewise.
26867 * pa/pa1.h: Delete unused file.
26869 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
26871 * configure.in (hppa*-hp-hpux11*): New configuration.
26872 * configure: Rebuilt.
26873 * pa/pa-hpux11.h: New file.
26874 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
26877 * mips.md (leasi, leadi): New patterns.
26879 * expr.c (emit_block_move): Properly handle case where one of the
26880 block move arguments has a queued increment or decrement.
26881 (clear_storage): Similarly. Fix formatting goof.
26883 1999-06-28 "David O'Brien" <obrien@NUXI.com>
26885 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
26886 semicolon from the BSD VA_LIST replacement expression.
26888 * fixinc/inclhack.sh: regen
26889 * fixinc/fixincl.x: regen
26891 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
26892 now use the fixincl program.
26894 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
26896 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
26897 case. Also make the PIC register call_used.
26899 * m68k.h (FINALIZE_PIC): Delete.
26900 * m68k.c (finalize_pic): Delete.
26902 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
26904 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
26907 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
26909 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
26911 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
26913 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
26915 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
26917 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
26919 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
26921 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
26923 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
26925 * rs6000.c (output_toc): Always use hex values for floating-point
26926 constants. Store single-precision values in upper-half of TOC
26927 entry in 64-bit mode.
26928 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
26929 to final constraints.
26930 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
26931 (fctiwz): Improve accuracy of RTL for pattern.
26933 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
26935 * expr.c (expand_expr): Allow RTL_EXPR's through the
26936 MAX_INTEGER_COMPUTATION_MODE checks.
26938 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
26940 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
26941 such that MASK_SUPPORT_ARCH is not negative.
26943 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
26945 * loop.c (verify_dominator): Properly handle ADDR_VEC and
26946 ADDR_DIFF_VEC insns that appear inside loops.
26948 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
26949 Jeff Law <law@cygnus.com>
26951 * rs6000.md (movdf_hardfloat32): Revert previous patch.
26952 Handle LO_SUM the same as offsettable in cases 1 and 2.
26953 * rs6000.c (find_addr_reg): Revert previous patch.
26955 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
26957 * system.h (strstr): New external function declaration.
26958 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
26959 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
26960 * config.in, configure: Rebuilt.
26962 1999-06-24 Tom Tromey <tromey@cygnus.com>
26964 * gcc.c (main): Read user-specified specs files after computing
26965 additional startfile_prefixes.
26967 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
26969 Revert these two patches:
26971 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26972 * loop.c (strength_reduce): When doing biv->giv conversion, update
26973 reg note of NEXT->insn.
26975 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26976 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
26978 (recombine_givs): Set ix field after sorting.
26980 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26982 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
26983 for the parts of an UNSPEC / UNSPEC_VOLATILE.
26985 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
26987 *fixinc/inclhack.def: Add fix development commentary
26988 (read_ret_type): reactivate and add selection clause
26989 (zzz_*): tweak output file name to match what is used in hackshell.tpl
26990 *fixinc/{fixincl.x|inclhack.sh}: regen
26992 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
26994 * expr.c (expand_expr): STRIP_NOPS before checking against
26995 MAX_INTEGER_COMPUTATION_MODE
26996 (check_max_integer_computation_mode): Likewise.
26998 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
27000 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
27002 1999-06-22 Jim Wilson <wilson@cygnus.com>
27004 * expr.c (store_expr): When target is a promoted subreg, return a
27005 promoted subreg as a result.
27007 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
27009 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
27011 (dwarf2out_define): Mark unused parameters appropriately.
27012 (gen_unspecified_parameters_die): Ditto.
27013 (gen_subprogram_die): Fix signed/unsigned warnings.
27014 (gen_variable_die): Ditto.
27016 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
27018 * fixinc/inclhack.def(end_else_label): combined else_label
27019 and endif_label and fixed the sed expression.
27020 *fixinc/{fixincl.x|inclhack.sh}: regen
27022 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
27024 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
27025 'x' when handling non-offsettable addresses
27027 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
27029 * final.c (shorten_branches): Don't try to split an insn that has
27032 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
27034 * config/mips/mips.c (symbolic_expression_p): New function.
27035 (mips_select_rtx_section): Put symbolic expressions in the
27036 data section, not the read-only data section.
27038 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
27040 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
27042 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
27044 * collect2.c (main): Log frame table count.
27045 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
27046 (scan_prog_file) [COFF]: Handle frame tables.
27048 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
27049 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
27050 * alpha/elf.h: Undef them again.
27051 * alpha/vms.h: Remove their definitions.
27053 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27055 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
27056 remove the clobber of r0 and change the REG_UNUSED note to
27059 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
27061 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
27062 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
27063 fits in HOST_WIDE_INT and one uses union to access a long constant
27066 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
27068 * sparc.c (sparc_override_options): Don't allow profiling for
27069 code models other than medlow.
27070 (sparc_function_profiler): New function from old FUNCTION_PROFILER
27071 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
27072 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
27073 (sparc_block_profiler): Likewise.
27074 (sparc_function_block_profiler_exit): Likewise.
27075 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
27076 (FUNCTION_BLOCK_PROFILER): Likewise.
27077 (BLOCK_PROFILER): Likewise.
27078 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
27079 (MCOUNT_FUNCTION): New.
27080 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
27081 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
27082 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
27083 (MCOUNT_FUNCTION): New.
27084 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
27085 (BLOCK_PROFILER): Delete.
27086 (MCOUNT_FUNCTION): New.
27088 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
27090 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
27092 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
27094 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27097 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27100 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27103 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27106 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
27108 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
27111 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
27113 * i386/djgpp.h (LIB_SPEC): New.
27114 (STARTFILE_SPEC): New.
27116 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
27118 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
27120 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
27123 * system.h (WSTOPSIG): New macro.
27125 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
27127 * c-pragma.c (push_alignment): Don't ignore alignments greater than
27129 (insert_pack_attributes): Take into account member natural
27132 * i386/winnt.c (exports_head): New static variable.
27133 (i386_pe_record_exported_symbol): New function.
27134 (i386_pe_asm_file_end): Use.
27135 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
27136 symbols to be emitted at end of assembly.
27137 (ASM_DECLARE_OBJECT_NAME): Likewise.
27138 (ASM_DECLARE_FUNCTION_NAME): Likewise.
27140 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
27143 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
27145 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
27148 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
27150 * haifa-sched.c (sched_analyze_1): Use free_list instead of
27151 zapping reg_last_uses directly.
27152 (sched_analyze_2, sched_analyze_insn): Likewise.
27153 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
27155 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
27157 * rs6000.md (movdf_hardfloat32): Use worst case insn length
27158 attributes for cases 1 and 2.
27160 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
27162 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
27165 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
27167 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
27169 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
27171 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
27172 PIC_OFFSET_TABLE_REGNUM for general alloaction.
27173 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
27174 must be stacked if it is used for PIC accesses.
27175 * arm.c (use_return_insn): Handle PIC register specially.
27176 (output_return_instruction): Likewise.
27177 (output_func_{prologue,epilogue}): Likewise.
27178 (output_expand_prologue): Likewise.
27180 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
27181 (*strsi_predec): Renamed from *strqi_predec.
27182 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
27183 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
27185 * arm.c (arm_override_options): Remove warning about PIC code
27186 not being supported.
27188 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
27190 * rs6000.c (find_addr_reg): New function.
27191 * rs6000.h (find_addr_reg): Declare.
27192 (offsettable_addr_operand): Delete.
27193 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
27194 from and stores to GPRs.
27196 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
27198 * alpha.c (alpha_expand_block_move): Use get_insns rather than
27199 gen_sequence as argument to emit_no_conflict_block.
27201 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27203 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
27204 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
27205 *fixinc/fixincl.x: regen
27206 *fixinc/inclhack.sh: regen
27208 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
27210 * added support for -mpcrel (PC relative addressing for m68k)
27211 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
27212 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
27213 * m68k.c (print_operand_address): Handle 32-bit PIC case.
27214 (comments for general_src_operand): Add some explanation
27215 about EXTRA_CONSTRAINTS.
27216 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
27217 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
27218 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
27219 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
27220 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
27221 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
27222 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
27223 if not already set.
27224 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
27225 * m68k.h (TARGET_PCREL): New target flag.
27226 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
27227 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
27228 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
27229 contains a SYMBOL_REF. Relax this constraint during reload, since
27230 we want to use the predicates, not reload's built-in concept of a
27231 valid memory address, to control what insns need reloading.
27232 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
27233 operands (essentially 'g', 'm', and 's' under normal circumstances).
27234 * m68k.c (print_operand): Cause printing of pc-relative addresses
27235 to include pc register.
27236 (print_operand_address): Ditto.
27237 (general_src_operand): Accept operands that are not only
27238 general_operands, but are also valid when used as a pc-relative
27240 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
27241 (memory_src_operand): Similar, for memory_operands.
27242 (pcrel_address): New predicate to accept the special case of a
27243 pc-relative address.
27244 * m68k.md (many patterns): Rewrite common SImode, HImode, and
27245 QImode insns to accept *_src_operand instead of *_operand where
27246 pc-relative operands can fit. For example, a pc-relative operand
27247 can be used as a memory source operand for addsi3, but not as a
27248 memory destination.
27249 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
27251 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
27253 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
27254 .thumb_set pseudo op to mark aliases of thumb functions.
27256 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
27258 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
27259 preference to ASM_OUTPUT_DEF, if it is defined.
27261 * tm.texi: Document new, optional target macro
27262 ASM_OUTPUT_DEF_FROM_DECLS.
27264 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27266 * fixincludes: ISCNTL patch
27267 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
27268 (dgux_int_varargs): new for DG/UX
27269 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
27271 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
27273 * invoke.texi (ia32 options): Fix typo.
27275 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27277 * loop.c (strength_reduce): When doing biv->giv conversion, update
27278 reg note of NEXT->insn.
27280 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
27282 * loop.c (move_movables): Note issues with replacing REGs with
27284 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
27286 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
27288 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
27290 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
27291 the reference to `mcount' was not correct for the ELF on FreeBSD.
27293 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27295 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
27298 (recombine_givs): Set ix field after sorting.
27300 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
27302 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
27303 to safe to extract a subword out of a REG.
27305 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27307 * sh.md (mulsi3): Don't add a no-op move at the end.
27309 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27311 * cse.c (cse_insn): Don't put hard register source into tables for
27312 the last insn of a libcall.
27314 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27316 * loop.c (strength_reduce): Insert sets of derived givs at every
27317 biv increment, even if it's the only one.
27319 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
27321 * dwarfout.c (add_incomplete_type): New fn.
27322 (output_type): Call it.
27323 (retry_incomplete_types): New fn.
27324 (dwarfout_finish): Call it.
27326 From Eric Raskin <ehr@listworks.com>:
27327 (output_type): Output types for bases.
27329 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
27331 * mips.c (mips_output_conditional_branch): Add `break'
27332 between `default' label and `close braces'.
27334 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
27336 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
27337 specifications and make it realistic.
27338 (LIB_SPEC): Likewise.
27340 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
27342 * config/mips/mips.c (mips_secondary_reload_class): Check for
27343 (PLUS (SP) (REG)) and return appropriate register class.
27344 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
27345 Handle (PLUS (SP) (REG)).
27346 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
27347 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
27348 of emit_insn for tablejump.
27350 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
27352 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
27353 asm_fprintf format string by itself.
27354 (output_function_profiler): Likewise.
27356 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
27358 * combine.c (simplify_logical, case AND): Only call
27359 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
27360 or the constant is positive.
27362 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
27364 * configure.in: Fix typo in rs6000-ibm-aix4 case.
27365 * configure: Regenerate.
27367 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
27369 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
27370 require a sub-version #.
27371 * configure: Rebuilt.
27373 1999-06-14 Robert Lipe (robertlipe@usa.net)
27375 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
27377 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
27379 * c-typeck.c (process_init_element): Detect excess elements in
27380 char array initializer.
27382 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
27384 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
27386 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
27388 * invoke.texi (Option Summary): Add -fpermissive flag.
27390 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
27392 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
27393 that require PIC code sequences.
27395 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
27397 * configure.in: Add new target: thumb-elf.
27398 * configure: Regenerate.
27399 * config/arm/t-thumb-elf: New file: Makefile fragment for
27401 * config/arm/telf.h: New file: Header file for thumb-elf
27404 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
27406 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
27407 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
27408 initializers is some circumstances.
27410 * fixinc/inclhack.def (endif_label): Add additional selector for
27411 more bogus stuff after #endif statements.
27412 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
27414 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
27416 * i386/cygwin.h (SET_ASM_OP): Define.
27418 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
27420 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
27422 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27424 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
27427 * sh.md (ic_invalidate_line_i): Remove second alternative.
27429 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27431 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
27432 test for the presence of valid prototypes. Delete bypass expr.
27433 (ioctl_fix_ctrl): Correct the selection expression.
27434 (no_double_slash): Correct quoting rules
27435 *fixinc/fixincl.x: regen
27436 *fixinc/inclhack.sh: regen
27438 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
27440 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
27442 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27444 * rs6000.md (movsi_got_internal_mem): Delete.
27445 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
27446 (GOT_TOC_REGNUM): Delete.
27447 (PIC_OFFSET_TABLE_REGNUM): Define.
27448 (FINALIZE_PIC): Disable.
27449 * rs6000.c (rs6000_got_register): New code for fixed pic register.
27450 (rs6000_replace_regno): Delete.
27451 (rs6000_finalize_pic): Likewise.
27452 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
27454 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27456 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
27457 is a note; use <= for the compare; advance P while it is
27460 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
27462 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
27463 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
27465 * varasm.c (remove_from_pending_weak_list): Verify t->name
27466 is non-NULL before passing it to strcmp.
27468 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27470 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
27471 the typed arguments are not part of a comment
27472 (ioctl_fix_ctrl): Added a purpose comment
27473 *fixinc/fixincl.x: regenerate
27474 *fixinc/inclhack.sh: regenerate
27476 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
27478 * invoke.texi: Add C4x invocation docs.
27480 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
27482 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
27484 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
27486 (c4x_legitimize_reload_address): New function.
27487 * config/c4x/c4x.md: Update docs.
27489 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
27491 * fixincludes: Avoid removing '.'.
27492 * fixinc/fixinc.svr4: Likewise.
27493 * fixinc/fixinc.winnt: Likewise.
27494 * fixinc/inclhack.tpl: Likewise.
27495 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
27497 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27499 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
27501 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
27503 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
27505 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
27508 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
27510 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
27511 * configure: Regenerate.
27513 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
27515 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
27518 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
27520 * fixinc/inclhack.def (avoid_bool): Also catch
27521 "typedef [unsigned] int bool".
27522 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
27524 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
27525 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
27526 * configure: Rebuilt.
27528 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
27530 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
27531 such that we can override its definitions if necessary.
27532 (CPP_SPEC): New define. Support processor specific predefines via
27534 (CC1_SPEC): New define. Support processor specific compiler
27535 options via %(cc1_cpu).
27536 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
27539 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27541 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
27542 between sed's -e flag, and the open-quote following it.
27543 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
27545 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
27546 Jeffrey A Law (law@cygnus.com)
27548 * varasm.c (assemble_start_function): Remove the function
27549 from the pending weak decls list when we define a function.
27550 (assemble_variable): Similarly for variables.
27551 (weak_finish): Ignore items on the list with a NULL name.
27552 (remove_from_ending_weak_list); New function to "remove" an item
27553 from the pending weak declarations list.
27555 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
27557 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
27559 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
27561 * c-lex.c (GETC): Redefine to call getch.
27562 (UNGETC): Redefine to call put_back.
27563 (putback_buffer): New structure type.
27564 (putback): New static structure.
27565 (getch): New function.
27566 (put_back): New function.
27567 (yylex): Replace unused bytes from bad multibyte character.
27569 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
27571 * cpplib.c (do_define): Cast `alloca' return value.
27572 (do_include, do_undef, do_pragma): Likewise.
27573 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
27575 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
27576 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
27578 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
27580 * sparc.md (abstf2): This should be an expand.
27581 (split after abstf2_notv9): Fix mode.
27582 (abstf2_hq_v9): New pattern.
27583 (abstf2_v9): Only use when no hard quad.
27584 (absdf2_v9): Fix if target is not the same as source.
27585 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
27586 Add correct output constraints.
27588 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
27590 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
27591 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
27593 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
27595 * mips.h (mips_output_conditional_branch): New function.
27596 (mips_adjust_insn_length): Likewise.
27597 (ASSEMBLER_SCRATCH_REGNUM): New macro.
27598 (ADJUST_INSN_LENGTH): Likewise.
27599 * mips.c (print_operand): Add `F' and `W' for floating-point
27600 comparison opcodes.
27601 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
27603 (mips_adjust_insn_length): New function.
27604 (mips_output_conditional_branch): New function.
27605 * mips.md (length): Adjust attribute definition to handle
27606 conditional branches. Change lengths to bytes, rather than
27607 instructions throughout. Remove length attribute from
27608 instructions whose length is four bytes, and rely on the default
27610 (dslot): Fix typo in comment.
27611 Reword conditional branch patterns to use
27612 mips_output_conditional_branch.
27614 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
27616 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
27617 (LIB_SPEC): Likewise.
27618 Link with -lprof1_r for -g/-pg.
27620 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
27622 * loop.c (check_dbra_loop): Fix change of Jan 19.
27624 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
27626 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
27627 (STARTFILE_SPEC): Define, override the svr4.h version.
27628 (ENDFILE_SPEC): Likewise.
27630 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
27632 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
27633 * fixinc/fixincl.x: Regenerated.
27634 * fixinc/inclhack.sh: Regenerated.
27636 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27638 * sh.c (barrier_align): Don't return early for normal branch/barrier
27639 when optimizing for SH2.
27641 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
27643 * i386/udk.h (LINK_SPEC): Correct linker search path for
27646 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27648 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
27649 (braf_label_ref_operand): Delete.
27650 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
27651 * sh.md (casesi_jump_2): Operand1 is now the inside of a
27652 label_ref, and has no predicate.
27653 The patten has a predicate to guard against invalid substitutions.
27654 (dummy_jump): Delete.
27655 (casesi): Update use of casesi_jump_2.
27657 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27659 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
27660 *fixinc/fixincl.x: regenerate
27661 *fixinc/inclhack.sh: regenerate
27663 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
27665 * dwarf2out.c (add_incomplete_type): New fn.
27666 (gen_struct_or_union_type_die): Call it.
27667 (retry_incomplete_types): New fn.
27668 (dwarf2out_finish): Call it.
27670 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
27672 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
27673 current block starts with a CODE_LABEL and ends with a CALL and
27674 we can not find all the argument setup instructions for the CALL.
27676 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
27678 Revert this change:
27679 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
27680 something is a candidate for optimize_bit_field_compare.
27682 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27684 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
27686 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
27688 * alpha.c (override_options): Thinko in last patch.
27690 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
27691 (LIB_SPEC): Recognize -pthread.
27693 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
27695 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
27696 definition in config/arm/coff.h
27697 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
27699 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27701 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
27702 fixes that need "file=xxx\n" prepended before invocation
27703 (start_fixer - new): starting the fixer process is complex enough
27704 to warrent its own routine. It prepends the "file=xxx\n" stuff.
27705 (process): uses the new routine; omit usage of putenv()
27706 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
27707 * fixinc/fixincl.x: regenerate
27709 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
27711 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
27712 and version #s (1.1 -> 2.96) as needed.
27713 * README.g77: Kill way out of date file in the toplevel directory.
27715 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
27717 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
27718 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
27719 * configure: Rebuilt.
27720 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
27721 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
27722 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
27723 (SWITCH_TAKES_ARG): Likewise.
27724 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
27725 * config/t-freebsd: Moved from config/i386/ so it can used for all
27728 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
27730 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
27732 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
27734 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
27735 * configure: Rebuilt.
27737 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
27739 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
27740 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
27741 * rs6000/rs6000.c (rs6000_file_start): Use putc.
27742 (rs6000_output_load_toc_table): Same.
27743 (output_prolog, output_mi_thunk): Same.
27744 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
27745 (ASM_GLOBALIZE_LABEL): Use putc.
27747 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
27749 * alpha.md (reload_*_help): New patterns and splitters.
27750 (reload_*): Use them.
27751 (mov[qh]i): Likewise.
27753 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
27755 * cccp.c (handle_directive): Handle backslash-newlines in quoted
27758 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
27760 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
27762 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
27764 * flow.c (mark_regs_live_at_end, insn_dead_p,
27765 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
27766 and HARD_FRAME_POINTER_REGNUM special treatment if reload
27767 hasn't run or the frame pointer is needed.
27768 * haifa-sched.c (attach_deaths): Likewise.
27769 * sched.c (attach_deaths): Likewise.
27771 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
27773 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
27774 calculate_can_reach_end returns nonzero.
27776 * configure.in (native gas tests): Search for an assembler in the
27777 same manner that the installed compiler will.
27778 * configure: Rebuilt.
27779 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
27781 * alias.c (find_base_term): Improve handling of addresses
27782 constructed from binary operations.
27784 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
27786 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
27788 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
27790 * function.h (cleanup_label, frame_offset): Declare.
27791 (tail_recursion_label, tail_recursion_reentry): Likewise.
27792 (arg_pointer_save_area, rtl_expr_chain): Likewise.
27793 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
27794 (tail_recursion_label, tail_recursion_reentry): Likewise.
27795 (arg_pointer_save_area, rtl_expr_chain): Likewise.
27797 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
27799 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
27801 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
27802 (MAX_OFILE_ALIGNMENT): Define.
27804 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
27806 * fixincl.c: Replace local include scheme with #includes of
27807 gansidecl.h and system.h.
27808 * procopen.c: Likewise.
27809 * server.c: Likewise.
27811 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
27813 * i386/t-dgux (EXTRA_PARTS): Add crti.o
27814 (crti.o): Add build rule and dependencies.
27815 * fixinc/fixinc.dgux: Use modified _int_varargs.h
27817 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27819 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
27820 (LIB_LINUX_SPEC): Likewise.
27821 (LIB_LINUX_SPEC): Add support for -pthread
27822 (CPP_OS_LINUX_SPEC): Likewise.
27823 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
27826 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
27828 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
27830 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
27831 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
27832 for IEEE math and CC_FCOMI.
27833 (put_jump_code): No IEEE if CC_FCOMI is set.
27835 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
27837 * fold-const.c (fold_truthop): Make the field reference unsigned
27838 when converting a single bit compare.
27840 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27842 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
27844 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
27846 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
27847 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
27850 * reload.c (push_reload): Do not call remove_address_replacements
27851 when presented with identical optional reloads.
27853 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
27855 * alpha.h (MASK_FIX, TARGET_FIX): New.
27856 (MASK_*): Reorganize constants.
27857 (CPP_AM_FIX_SPEC): New.
27858 (TARGET_SWITCHES): Add FIX.
27859 (EXTRA_SPECS): Likewise.
27860 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
27861 (SECONDARY_MEMORY_NEEDED): Likewise.
27862 (REGISTER_MOVE_COST): Likewise.
27863 * alpha.c (override_options): Add FIX support. Always use
27864 ALPHA_TP_PROG for ev6.
27865 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
27866 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
27867 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
27869 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
27871 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
27872 something is a candidate for optimize_bit_field_compare.
27874 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
27876 * gcc.texi (Passes): Document branch-shortening.
27877 * invoke.texi (Debugging Options): Document the fact that `-dp'
27878 outputs length information for instructions.
27880 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
27882 * flow.c: Revert previous delta.
27884 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
27886 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
27887 FRAME_POINTER_REGNUM.
27888 (mark_set_1): Ditto.
27889 (mark_used_regs): Ditto.
27891 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
27893 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
27894 (GOT_PCREL): New macro. Define to 1 if not already defined.
27895 * arm/elf.h (GOT_PCREL): Define to 0.
27896 * arm.c (arm_finalize_pic): Take into account the setting of
27899 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
27901 * output.h (STRIP_NAME_ENCODING): Provide default definition.
27902 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
27904 * flow.c (mark_set_1): Do not record BLKmode stores as dead
27905 store elimination candidates.
27907 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
27909 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
27912 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
27914 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
27915 Add use of x-aix41-gld.
27917 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
27919 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
27920 (ASM_OUTPUT_DESTRUCTOR): Define.
27922 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
27924 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
27925 last CODE_LABEL in a loop if we have previously passed a jump
27926 to the top of the loop.
27928 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
27930 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
27931 applying Philip's patch.
27933 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
27935 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
27938 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
27940 * loop.c (strength_reduce): Grow reg_single_usage as needed.
27942 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
27944 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
27945 Also remove a useless comment.
27947 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
27949 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
27951 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
27953 * collect2.c (main): Only generate import or export file and add
27954 to link arguments if non-empty. Use xmalloc not alloca.
27955 (write_{export,import}_file): Delete.
27956 (write_aix_file): New function.
27957 (locatelib): Use xmalloc not malloc.
27958 (GCC_OK_SYMBOL): Do not check type if aix64.
27960 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
27962 Based on patch by Scott Bambrough and Pat Beirne:
27963 * config/arm/arm.c (making_const_table): New variable.
27964 * config/arm/arm.h (making_const_table): Declare.
27965 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
27967 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
27968 Keep track of when we are building the constant table.
27970 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
27972 * config/arm/arm.c (arm_override_options): Fix erroneous warning
27975 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
27977 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
27980 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
27982 * tm.texi (FUNCTION_ARG): Correct description of a stack element
27985 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
27987 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
27989 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27991 * rs6000.c (output_mi_thunk): Enable full support again.
27993 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27995 * sh.h (BRANCH_COST): Define.
27997 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
27999 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
28001 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
28003 * function.c (assign_stack_local): Align stack slot propertly.
28004 (assign_outer_stack_local): Likewise.
28006 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
28008 * expr.h (lang_expand_constant): Declare.
28009 * toplev.c (lang_expand_constant): Define it.
28010 * varasm.c (output_constant): Use it.
28012 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28014 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
28015 Change function definitions to K&R style.
28017 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28019 * fixinc/fixincl.c: We must not ignore SIGCLD now.
28021 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
28023 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
28024 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
28025 (several places): omit static initialization
28026 (process): use single fd, since only the read fd is used
28027 * fixinc/gnu-regex.c: define 'const' away, if not supported
28028 * fixinc/procopen.c(several places): omit static initialization
28029 * fixinc/server.c: define 'volitile' away, if not supported
28031 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28033 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
28034 asm_fprintf and %L to generate the label name.
28035 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
28036 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
28038 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
28040 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
28041 insn for a conditional jump can not be found.
28043 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
28045 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
28046 on variables in specific sections other than .sbss and .sdata.
28048 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
28050 * stmt.c (expand_return): Call start_cleanup_deferral and
28051 end_cleanup_deferral around conditional code.
28053 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28055 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
28056 filename lists. Utilizes new "krstr" AutoGen function.
28057 * fixinc/fixincl.x: Rebuilt.
28059 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
28061 * i386.c (output_float_compare): Avoid GNU-C extensions.
28063 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
28065 * version.c: Bump to distinguish mainline tree from the
28068 See ChangeLog.1 for earlier changes.