1 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
3 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
4 variables $src and $dst.
6 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
8 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
9 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
10 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
11 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
13 (set_message_prefixing_rule): Declare.
15 * diagnostic.c: (current_prefixing_rule): New variable.
16 (set_message_prefixing_rule): Define.
17 (output_set_prefix): Adjust buffer->emitted_prefix_p.
18 (init_output_buffer): Adjust Initialization.
19 (output_emit_prefix): Rewrite. Take prefixing rules into account.
21 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
23 * ifcvt.c (if_convert): Do not free NULL.
25 2000-05-12 Nick Clifton <nickc@cygnus.com>
27 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
28 to move a double word value.
29 (di_operand): New function: Return true if the operand is suitbale
30 for a double word move operation.
31 (nonimmediate_di_operand): New function: Return true if the
32 operand is a DImode register or MEM.
34 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
35 nonimmediate_di_operand.
37 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
38 nonimmediate_di_operand.
40 * config/fr30/fr30.md (movdi): New pattern. Required because
41 other patterns generate DImode results.
42 (movdi_insn): New pattern.
44 2000-05-12 Richard Henderson <rth@cygnus.com>
46 * config/alpha/alpha.c (struct shadow_summary): Define
47 bitfields as type unsigned int.
49 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
51 * config/avr/t-avr: Added definition of FLOAT while generates
54 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
55 peepholes for tst+jump = sbrs/sbrc optimization.
57 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
59 * expr.c (emit_push_insn): Do not adjust stack pointer when
62 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
64 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
65 * system.h (offsetof): ... to here.
67 2000-05-12 Richard Henderson <rth@cygnus.com>
69 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
70 * final.c (final_end_function): Use app_disable. Rearrange note
71 handling into a switch. Emit deleted labels.
72 (output_asm_label): Generate label strings for deleted labels.
73 * flow.c (tail_recursion_label_list): New.
74 (find_basic_blocks_1): Set label_value_list directly. Collect list
75 of tail recursion labels from call_placeholders. Don't add deleted
76 labels to the label value list.
77 (cleanup_cfg): Use free_EXPR_LIST_list.
78 (flow_delete_insn_chain): Turn non-removable labels into notes.
79 (flow_delete_block): Don't disable deleting the block because of
80 a non-removable label.
81 (tail_recursion_label_p): New.
82 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
84 (merge_blocks_move_successor_nojumps): Likewise. Also move a
86 (merge_blocks): Disable a merge because of tail recursion labels.
87 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
88 Use a more accurate measure of not merging the join block.
89 (find_if_block): Don't disable conversion because of a label.
90 (find_if_case_1, find_if_case_2): Likewise.
91 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
93 (squeeze_notes): Also leave EH notes.
94 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
96 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
98 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
99 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
100 referring to a deleted label. Convert tail handling to a switch.
101 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
102 for NOTE_INSN_DELETED_LABEL.
103 (NOTE): Fix commentary.
104 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
105 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
106 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
107 (LABEL_NUSES, LABEL_REFS): Likewise.
108 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
110 2000-05-12 Bruce Korb <bkorb@gnu.org>
112 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
113 * fixinc/check.diff: updated
114 * fixinc/inclhack.def: corrected & added some test_text-s
115 * fixinc/genfixes: removed unneeded options to autogen invocation
116 * fixinc/fixincl.tpl: Specified the output file
117 * fixinc/fixfixes.c: visual appearance
118 * fixinc/fixincl.x: regenerate
120 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
122 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
123 CTRL_defn_fix): Delete.
124 (fix_char_macro_defines, fix_char_macro_uses): Rename to
125 char_macro_def_fix and char_macro_use_fix, respectively. Put
126 them into the FIXUP_TABLE. Get the string to search for from
129 (format_write): New function.
130 (format_fix): Use it.
132 (FIX_PROC_HEAD): Constify text parameter.
133 (machine_name_fix): Constify all char *s.
134 * fixtests.c (skip_quote): Remove double static.
136 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
137 ctrl_use_quotes): Update for new scheme.
138 * fixincl.x: Regenerate.
140 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
142 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
144 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
145 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
147 2000-05-11 Richard Henderson <rth@cygnus.com>
149 * calls.c: Revert both 05-09 patches.
151 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
153 * config/mn10300/mn10300.c (print_operand): Print FP constants in
155 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
158 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
159 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
161 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
163 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
165 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
167 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
169 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
171 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
172 * config/avr/avr.c (jump_over_one_insn_p): New function.
173 * config/avr/avr.md: New peepholes added. Output test and
174 conditional jump to "sbrc" or "sbrs" command.
176 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
178 * cppmain.c (main): Use IS_DIR_SEPARATOR.
180 2000-05-11 Jakub Jelinek <jakub@redhat.com>
182 * except.c (find_exception_handler_labels_1): New function.
183 (find_exception_handler_labels): Split into two functions, dive
184 into CALL_PLACEHOLDERs when looking for exception handler labels.
186 2000-05-11 Stan Cox <scox@cygnus.com>
188 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
189 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
190 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
192 2000-05-11 Bruce Korb <bkorb@gnu.org>
194 * fixinc/fixfixes.c (double_slash_fix): obsolete
195 (else_endif_label_fix): obsolete
196 (format_fix): new, unused as yet
198 * fixinc/fixlib.h: added fix description struct for use by format_fix
199 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
200 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
201 modules. Removed the vestiges of the script version.
202 Added support for "make check".
203 * fixinc/check.diff: base diff file (needs work!!)
204 * fixinc/check.tpl: quiet the fixup output
205 * fixinc/fixtests.c (main): obsolete
206 * fixinc/fixincl.sh: don't bother copying fixincl to ..
207 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
209 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
211 * toplev.c (rest_of_compilation): Remove dead code after
214 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
216 * cpphash.c (collect_funlike_expansion): Make "# is not
217 followed by a macro argument name" a pedwarn, not an error.
218 Preserve the # in the output. Suppress the warning if lang_asm.
220 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
222 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
223 * configure: Rebuilt.
225 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
227 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
229 2000-05-10 Kazu Hirata <kazu@hxi.com>
231 * combine.c (try_combine): Fix a typo.
233 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
235 * config/ia64/ia64.md (insv): Add comment.
237 2000-05-10 Richard Henderson <rth@cygnus.com>
239 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
240 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
241 dependancies on FPBIT and DPBIT.
243 2000-05-10 Nick Clifton <nickc@redhat.com>
245 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
246 when optimising for size.
247 (mark_used_regs:) Ditto.
248 (try_pre_increment_1): Ditto.
250 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
252 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
253 Make error message friendlier.
255 * cpphash.h (struct hashnode): Use struct hack for name
257 * cpphash.c (struct hashdummy): New.
258 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
259 (make_HASHNODE): No need to set ->name pointer. Correct
261 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
263 2000-05-10 Richard Henderson <rth@cygnus.com>
265 * flow.c (find_basic_blocks_1): Remove any spare bb_note
268 2000-05-10 Bruce Korb <bkorb@gnu.org>
270 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
272 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
274 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
275 after we enter .debug.
277 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
279 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
280 abstract instance of a nested inline function.
282 * stor-layout.c (finish_record_layout): finalize_type_size
283 before laying out the pending_statics.
285 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
287 * cpplex.c (spell_token): New function.
288 (spell_string, spell_comment, spell_name): fold into
291 (E, H): Remove macros.
292 (save_comment): Save comment opening characters too.
293 (_cpp_lex_file): Update to use spell_token. Tidy up comment
295 * cpplib.h (I, S): Add macros.
296 (E, H): Remove macros.
297 (TTYPE_TABLE): Update entries for new speller.
298 (SYNTAX_ASSERT): Remove.
300 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
302 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
303 when removing escaped newlines. Reverse sense of test for
306 2000-05-09 Richard Henderson <rth@cygnus.com>
308 * flow.c (find_basic_blocks_1): Do not delete the first
309 bb_note we run across.
310 (create_basic_block): Use reorder_insns to move an existing
311 bb_note to the correct place.
313 2000-05-09 Richard Henderson <rth@cygnus.com>
315 * calls.c (expand_call): Increment currently_expanding_call
316 before calling optimize_tail_recursion.
318 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
320 * reload1.c (reload_combine): Fix errors in last change.
322 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
324 * gcc.c (used_arg): Skip over a semicolon at the end of the
325 split-up loop; don't break out of it.
327 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
328 (tree.o): Depend on output.h.
330 * c-decl.c (pending_invalid_xref_file,
331 current_function_prototype_file): Constify.
332 (pushdecl): Constify a local char *.
333 (define_label): Constify filename parameter.
334 * c-lex.c (init_parse): Constify parameter and return value.
335 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
336 * c-tree.h: Update prototypes.
337 * c-parse.in: Constify filename member of %union, and if_stmt_file.
338 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
339 objc/objc-parse.c: Regenerate.
341 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
342 * dwarfout.h: Update prototypes.
343 * expr.c (expand_expr): Constify a local char *.
344 * flags.h: Constify main_input_filename.
345 * function.c (expand_function_end): Constify filename parameter.
346 * genrecog.c (make_insn_sequence): Use a character array for
348 (main): Remove unused variables.
349 * input.h: Constify input_filename, main_input_filename, and
350 file_stack.name. Update prototypes.
351 * output.h: Declare first_global_object_name and
352 weak_global_object_name here, as const char *.
353 * stmt.c (expand_asm_operands): Constify filename parameter.
354 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
355 Constify filename parameter.
356 (input_filename, main_input_filename): Constify.
357 * toplev.h: Update prototypes.
358 * tree.c: Include output.h. Don't declare
359 first_global_object_name or weak_global_object_name. Clean up string
360 bashing in get_file_function_name_long.
361 * tree.h (struct tree_decl): Constify filename member.
362 (input_filename): Constify.
364 * varasm.c (first_global_object_name, weak_global_object_name):
366 (assemble_start_function, assemble_variable): Clean up string bashing.
368 * gcc.c: Constify all spec-related strings initialized,
369 transitively, from string constants. Constify all strings
370 and string variables related to multilibs.
371 (set_spec, read_specs): Cast argument to free to PTR.
372 (used_arg): Do not modify multilib_matches. Use strncmp plus
373 length comparison to compare multilib switches.
374 * genmultilib: Constify everything declared in multilib.h.
376 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
378 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
381 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
383 * config/avr/avr-protos.h (extra_constraint): change a type of
384 second argument from char to int to avoid warnings.
385 (asm_output_byte): Likewise.
387 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
388 (initial_elimination_offset): Handle elimination from
389 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
390 (legitimate_address_p): Use MAX_LD_OFFSET.
391 (legitimize_address): Likewise.
392 (out_movqi_r_mr): Likewise.
393 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
394 (out_movsi_r_mr): Use MAX_LD_OFFSET.
395 (out_movsi_mr_r): Likewise.
396 (out_movqi_mr_r): Likewise.
397 (out_movhi_mr_r): Likewise.
398 (notice_update_cc): Correct CC for the ashrqi3 with the shift
399 count as CONST_INT != 6.
400 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
401 shift count is a CONSTANT_P, but not a CONST_INT.
402 (ashlhi3_out): Coding style modifications.
403 (ashlsi3_out): Likewise.
404 (ashrhi3_out): Likewise.
405 (ashrsi3_out): Likewise.
406 (lshrhi3_out): Likewise.
407 (lshrsi3_out): Likewise.
408 (ashrqi3_out): Generate shift for any known constant count without
409 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
411 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
412 shift count is a CONSTANT_P, but not a CONST_INT.
413 (extra_constraint): change a type of
414 second argument from char to int to avoid warnings.
415 (asm_output_byte): Likewise.
416 (asm_file_end): Output size generated commands count as a hex
419 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
421 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
423 (ashlqi3): Values of "length" attribute changed. Shift count
424 uses constraints 'n' instead of 'i'.
425 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
426 shifts without clobber register.
427 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
428 (call_insn): Correct test for which_alternative == 1 (was 0).
429 (call_value_insn): Likewise.
431 * config/avr/t-avr: Remove definition of FLOAT while generates
434 2000-05-09 Bruce Korb <bkorb@gnu.org>
436 * fixinc/check.tpl: Template for checking fixes
437 * fixinc/inclhack.def: Added 'test_text' for many fixes
438 disable hpux8_bogus_inlines on SCO
439 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
441 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
443 * calls.c (expand_call): Reorganize somewhat in order
444 to avoid unnecesary recalculation inside loop and make
445 tail call failure code cleaner.
447 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
449 * alias.c (nonlocal_reference_p): Minor reformatting.
450 * reload.c (find_equiv_reg): Simplify logic for
451 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
452 some some reformatting.
453 * reload1.c (reload_combine): Don't assume everything in
454 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
456 2000-05-08 Richard Henderson <rth@cygnus.com>
458 * final.c (current_insn_predicate): New.
459 (final_scan_insn): Set it.
460 * output.h (current_insn_predicate): Declare.
462 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
463 Attach it to call insns.
464 (cond_exec_process_if_block): Track probability for true and
466 (dead_or_predicable): Likewise.
468 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
469 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
470 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
471 (estimate_probability, expected_value_to_br_prob): Use them.
473 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
474 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
475 (ia64_expand_prediction): New.
476 (emit_insn_group_barriers): Don't look at notes. Emit barriers
477 as needed after calls.
478 (ia64_epilogue_uses): Mark b0 used.
479 * config/ia64/ia64.md (beq_true, beq_false): Remove.
480 (bne_true, bne_false): Remove.
481 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
482 (br_true, br_false): New. Use predicate_operator and
483 ia64_expand_prediction.
484 (return_true, return_false): Likewise.
485 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
486 (call_internal1, call_value_internal): Likewise.
487 (call_value_internal1, call_multiple_values_internal1): Likewise.
489 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
491 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
493 2000-05-08 Richard Henderson <rth@cygnus.com>
495 * rtlanal.c (may_trap_p): Consider old-style and volatile
498 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
500 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
502 2000-05-08 Richard Henderson <rth@cygnus.com>
504 * config/ia64/ia64.h (predicate_operator): Declare.
506 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
509 * gensupport.c (process_rtx): Copy and post-process each member
510 of the define_insn rtvec individually.
512 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
514 * cpplex.c (spell_token): New function.
515 (TOKEN_LEN): Add 1 for whitespace.
516 (_cpp_lex_file): Update to use spell_token.
517 * cpplib.h (E): Remove.
518 (TTYPE_TABLE): Update CPP_VSPACE entry.
520 2000-05-08 Richard Henderson <rth@cygnus.com>
522 * flow.c (init_propagate_block_info): Watch out for conditional
523 branch to next instruction, and thus one outgoing edge.
525 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
526 for global register variables; don't special case __[CD]TOR_LIST__;
527 mind ggc_p for string allocation.
529 2000-05-08 Nick Clifton <nickc@cygnus.com>
531 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
533 2000-05-08 Bruce Korb <bkorb@gnu.org>
535 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
536 i?86-*-msdosdjgpp* no longer uses fixincludes
537 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
538 * fixinc/inclhack.sh: deleted
539 * fixinc/hackshell.tpl: deleted
540 * fixinc/inclhack.tpl: deleted
541 * fixinc/Makefile.in: Remove dependencies on above
542 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
544 2000-05-08 Andreas Jaeger <aj@suse.de>
546 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
549 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
551 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
554 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
556 * cpplex.c: Move new lexer definitions and prototypes
557 to top. Conditional include these and the code if
558 NEW_LEXER is defined. Rename functions whose names
559 clash if this code included.
561 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
563 * rtl.def (COND_EXEC): Clarify.
565 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
566 same fashion as zero_extendsidi2.
568 2000-05-06 Richard Henderson <rth@cygnus.com>
570 * config/ia64/ia64.c (predicate_operator): New.
571 (ia64_print_operand): Handle 'J'.
572 (rtx_needs_barrier): Handle COND_EXEC.
573 * config/ia64/ia64.h (BRANCH_COST): Define.
574 (PREDICATE_CODES): Update.
575 * config/ia64/ia64.md: Docuement used unspec values.
576 (attr predicable): New.
577 (movxf, movxf_internal): New.
578 (extendsfdf2): Don't comment out nop.
579 (floatdidf2): Remove.
580 (truncxfsf2, truncxfdf2, floatdixf2): New.
581 (abssi2, absdi2): Put the neg in the "true" slot.
582 (conditional branch instructions): Mark not predicable.
583 (cmov*_internal): Use predicate_operator. Split to cond_exec.
584 (abs*_internal): Likewise.
585 (alloc, set_bsp): Mark not predicable.
586 (barrier, insn_group_barrier, flush_cache): Likewise.
587 (define_cond_exec): New.
589 2000-05-06 Richard Henderson <rth@cygnus.com>
591 * c-decl.c: Include "tm_p.h".
593 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
594 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
595 (ia64_expand_op_and_fetch): Declare.
596 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
597 (setjmp_operand): Constify variables for XSTR.
598 (ia64_encode_section_info): Likewise.
599 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
601 (ia64_asm_output_external): Constify name.
602 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
603 (process_for_unwind_directive): Provide switch default.
604 (ia64_expand_compare_and_swap): Remove unused variables.
605 (ia64_expand_builtin): Likewise.
606 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
609 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
610 (symbolic_operand, function_operand, setjmp_operand): Likewise.
611 (shift_count_operand, shift_32bit_count_operand): Likewise.
612 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
613 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
614 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
615 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
616 (ia64_expand_builtin): Likewise.
617 (call_multiple_values_operation): Make dest_regno unsigned.
619 2000-05-06 Richard Henderson <rth@cygnus.com>
621 * rtl.def (DEFINE_COND_EXEC): New.
622 * md.texi: Document it.
624 * gensupport.c (input_file): Remove.
625 (struct queue_elem): Add lineno.
626 (rtx_ready_queue): Remove.
628 (predicable_default): New.
629 (predicable_true, predicable_false): New.
630 (define_attr_queue, define_attr_tail): New.
631 (define_insn_queue, define_insn_tail): New.
632 (define_cond_exec_queue, define_cond_exec_tail): New.
633 (other_queue, other_tail): New.
634 (queue_pattern): New.
635 (process_rtx): Add patterns to the appropriate queues.
636 (is_predicable, identify_predicable_attribute): New.
637 (n_alternatives, collect_insn_data): New.
638 (alter_predicate_for_insn, alter_test_for_insn): New.
639 (shift_output_template, alter_output_for_insn): New.
640 (process_one_cond_exec, process_define_cond_exec): New.
641 (init_md_reader): Read the entire file. Process define_cond_exec.
642 (read_md_rtx): Return elements from the queues.
644 2000-05-06 Richard Henderson <rth@cygnus.com>
646 * flow.c (mark_set_1): Don't update conditional life info
647 if the register is not_dead.
649 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
651 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
652 (mostlyclean): Also delete fixincl, fixinc.sh, and
653 specs.ready, and make clean in the fixinc subdir.
655 2000-05-06 Richard Henderson <rth@cygnus.com>
657 * Makefile.in (gensupport.o): Compile for the host.
658 (host-prefix gensuuprt.o): Remove.
659 (genflags.o): Depend on gensupport.h and OBSTACK_H.
660 (genattrtab.o): Likewise.
661 (gencodes.o): Depend on gensupport.h.
662 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
663 (genpeep.o, genattr.o, genoutput.o): Likewise.
665 * gensupport.c (obstack, rtl_obstack): New.
666 (init_md_reader): Initialize rtl_obstack.
667 * gensupport.h (rtl_obstack): Declare.
668 (message_with_line): Declare.
670 * genattr.c: Remove all traces of obstack manipulation.
671 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
672 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
674 * genattrtab.c (obstack, rtl_obstack): Remove.
675 (main): Don't init rtl_obstack.
676 * genflags.c: Likewise.
678 * genrecog.c (message_with_line): Move ...
679 * gensupport.c: ... here.
681 2000-05-06 Richard Henderson <rth@cygnus.com>
683 * c-typeck.c (build_c_cast): Remove dead code.
685 2000-05-06 Richard Henderson <rth@cygnus.com>
687 * flow.c (split_edge): Don't allocate global_live_at_start for
688 the new block unless the old blocks had them as well.
690 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
692 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
693 test_bb if a or b uses x.
695 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
697 * cpphash.h: Remove conditional #define of __extension__.
698 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
699 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
700 (ENABLE_RTL_CHECKING only).
701 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
702 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
703 (ENABLE_TREE_CHECKING only).
704 * varray.h: Add __extension__ to VARRAY_CHECK macro
705 (ENABLE_CHECKING only).
707 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
709 Use new tail-calling mechanism on ARM.
710 * arm.md (sibcall, sibcall_value): New expands.
711 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
712 (tailcalling peepholes): Delete.
713 (push_multi): Simplify.
714 * arm.c (lr_save_eliminated): Delete definition.
715 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
716 (output_return_instruction): Remove checks on lr_save_eliminated.
717 (output_arm_prologue): Remove old tail-calling code.
718 (arm_output_epilogue): New parameter, really_return. All callers
719 changed. Handle tail-calling epilogues.
720 * arm.h (lr_save_eliminated): Delete declaration.
721 (frame_pointer_needed): Delete declaration.
722 * arm-protos.h (arm_output_epilogue): Adjust prototype.
724 * arm.md (is_thumb): Examine symbol thumb_code, not expression
726 * arm.c (thumb_code): Define it.
727 (arm_override_options): Set it.
728 * arm.h (thumb_code): Declare it.
730 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
732 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
734 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
736 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
737 bogus clobber to insns.
738 (load_multiple_operation, store_mulitple_operation): Don't check
740 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
742 * arm.md (and_scc, ior_scc): Add missing mode.
744 * arm.md (call_value_symbol): Remove predicate from op2.
746 * arm.h (SPECIAL_MODE_PREDICATES): Define.
748 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
750 * expr.c (get_subtarget): New function.
751 (force_operand, expand_expr, do_store_flag): Use it.
753 * toplev.c (compile_file): Don't take strlen of NAME if null.
755 2000-05-06 David Edelsohn <edelsohn@gnu.org>
757 * xcoffout.c (xcoff_current_include_file,
758 xcoff_current_function_file, xcoff_lastfile): Constify char *.
759 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
761 (xcoffout_declare_function): Make name 'const char *'.
762 (xcoffout_end_epilogue): Make fname 'const char *'
763 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
764 xcoffout_declare_function, xcoffout_source_line): Match above.
766 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
768 * rs6000.c (print_operand): Fix lossage typo.
769 (output_cbranch): Remove "cr" decoration for now.
770 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
772 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
774 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
777 2000-05-05 Bruce Korb <bkorb@gnu.org>
779 * fixinc/genfixes: Improve the matching for make target names
781 2000-05-05 Catherine Moore <clm@cygnus.com>
783 * c-common.c (decl_attributes): For TYPE_DECLs attach the
784 attribute to the decl.
785 * c-decl.c (pushdecl): Propagate the USED attribute to the
788 2000-05-05 Richard Henderson <rth@cygnus.com>
790 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
791 same way emit_group_load does.
793 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
795 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
797 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
800 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
802 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
804 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
806 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
807 to support -shared, on platforms with dynamic libraries.
809 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
811 * system.h (S_ISBLK): Provide fallback definition.
813 2000-05-05 Geoff Berry <geoffb@bops.com>
815 * extend.texi (Extended Asm): Document inability to give asm
816 statements access to condition codes.
818 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
820 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
821 as arg 2 of UNIQUE_SECTION.
823 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
825 * predict.c: Remove May 4 change.
826 * bb-reorder.c (make_reorder_chain): Do not perform block movement
827 if we have predicted the branch at 50-50 probability.
829 2000-05-05 Richard Henderson <rth@cygnus.com>
831 * flow.c (init_propagate_block_info): Fix merge error
832 in HAVE_conditional_execution code.
834 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
836 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
837 shift cycle for unknown shift count. Also generates dec + brpl.
838 (ashlqi3_out): Don't generate dec + brpl which now generates by
839 `out_shift_with_cnt'.
840 (ashlhi3_out): Likewise.
841 (ashlsi3_out): Likewise.
842 (ashrqi3_out): Likewise.
843 (ashrhi3_out): Likewise.
844 (ashrsi3_out): Likewise.
845 (lshrqi3_out): Likewise.
846 (lshrhi3_out): Likewise.
847 (lshrsi3_out): Likewise.
849 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
851 * gcc.c (free_split_directories): Correct typo in explanation
852 of make_relative_prefix.
854 2000-05-04 Geoff Keating <geoffk@cygnus.com>
856 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
857 comparison codes to branch_comparison_operator.
859 2000-05-04 Richard Henderson <rth@cygnus.com>
861 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
863 2000-05-04 Richard Henderson <rth@cygnus.com>
865 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
866 (DPBIT_FUNCS): Remove _sf_to_usi.
867 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
869 * ifcvt.c (noce_process_if_block): Fail if A or B modified
870 between condition and jump.
872 * libgcc2.c (near eh_context_specific): Comment #endif string.
873 * longlong.h: Don't use strings with embedded newlines.
875 2000-05-04 Geoff Keating <geoffk@cygnus.com>
877 * config/rs6000/rs6000-protos.h: Add output_cbranch.
878 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
879 (print_operand): Delete %t and %T codes.
880 (output_cbranch): New function. Support branch prediction.
881 * config/rs6000/rs6000.md: Use output_cbranch for
882 conditional branches and returns.
884 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
886 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
887 * stor-layout.c (place_field): Likewise.
888 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
889 * expr.c (store_expr): Make align unsigned.
890 * explow.c (plus_constant_wide): Make low words unsigned.
891 * expmed.c (choose_multiplier): Likewise.
892 * fold-const.c (fold): Likewise.
893 * tree.h (build_int_2): Likewise.
894 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
895 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
896 (init_emit): Change cast to unsigned char*.
897 * varasm.c (compare_constant_1): Add cast to char*.
898 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
899 * reload1.c (reload): Likewise.
901 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
903 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
905 * predict.c (estimate_probability): If no prediction was found, then
906 predict the successor that is the next physical block (if such a
909 2000-05-04 Richard Henderson <rth@cygnus.com>
911 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
913 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
915 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
917 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
919 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
920 attribute macros from here ...
922 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
923 (CPP_SPEC): Likewise.
924 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
926 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
927 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
929 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
931 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
933 * diagnostic (vbuild_message_string, build_message_string,
934 build_location_prefix, output_get_prefix, init_output_buffer,
935 output_notice, vline_wrapper_message_with_location,
936 v_message_with_decl, default_print_error_function): De-constify.
937 (set_real_maximum_length): Prototype.
939 * diagnostic.h (struct output_buffer, init_output_buffer,
940 output_get_prefix, output_set_prefix): De-constify.
942 * function.c (init_function_start): Constify.
944 * gensupport.c (remove_constraints, process_rtx): Prototype.
946 * gthr-posix.h: Indent uses of #pragma.
948 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
951 * predict.c (find_expected_value): Delete prototype.
952 (expected_value_to_br_prob): Initialize variable `ev_reg'.
954 * sbitmap.h (debug_sbitmap): Prototype.
956 * ssa.c (compute_coalesced_reg_partition): Prototype.
958 * stor-layout.c (debug_rli): Prototype.
960 * tree.h (round_down): Prototype.
961 (init_function_start): Constify.
963 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
965 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
966 (overly conservative). Change extern inline wrappers to
967 static inline, define them always, use PARAMS properly.
968 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
969 whitespace warnings for \f and \v at the beginning of a line.
971 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
973 * haifa-sched.c (schedule_insns): Free the flow edge list when it
976 2000-05-04 Bruce Korb <bkorb@gnu.org>
978 * fixincl/inclhack.def: added broken_cabs -
979 Remove `extern double cabs' declarations from math.h
980 * fixincl/inclhack.sh: regen
981 * fixincl/fixincl.x: regen
982 * fixincl/fixincl.c: Remove BOGOSITY code
983 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
985 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
987 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
989 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
990 when calling MEM_COPY_ATTRIBUTES.
991 * emit-rtl.c (operand_subword, change_address): Likewise.
992 * explow.c (stabilize): Likewise.
993 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
994 * integrate.c (copy_rtx_and_substitute): Likewise.
995 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
996 when calling MEM_COPY_ATTRIBUTES.
997 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
999 * cse.c (gen_lowpart_if_possible): Likewise.
1000 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
1001 * optabs.c (gen_move_insn): Likewise.
1002 * recog.c (validate_replace_rtx_1): Likewise.
1003 * simplify-rtx.c (add_mem_for_addr): Likewise.
1004 * stmt.c (expand_anon_union_decl): Likewise.
1005 * config/arm/arm.md: Likewise.
1006 * config/h8300/h7300.c (fix_bit_operand): Likewise.
1007 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
1008 (block_move_no_loop, block_move_sequence): Likewise.
1009 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
1010 * config/alpha/alpha.c (get_aligned_mem): Likewise.
1011 Clear MEM_ALIAS_SET.
1012 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
1013 MEM_COPY_ATTRIBUTES.
1015 2000-05-03 Robert Lipe <robertlipe@usa.net>
1017 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
1018 to suppress libgcc1.
1019 (i[34567]86-*-sco3.2v5*) Likewise.
1020 (i[34567]86-*-sco3.2v4*) Likewise.
1021 (i[34567]86-*-sco) Likewise.
1022 (i[34567]86-*-solaris2) Likewise.
1023 (i[34567]86-*-sysv5*) Likewise.
1024 (i[34567]86-*-sysv4*) Likewise.
1025 (i[34567]86-*-udk*) Likewise.
1026 (i[34567]86-*-sysv*) Likewise.
1028 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
1030 * cpphash.h (U): New define, to correct type of string constants.
1031 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
1032 routines, to do casts when passing unsigned strings to libc.
1033 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
1035 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
1036 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
1037 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
1038 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
1039 second argument an U_CHAR *.
1041 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
1042 length field, clean up initializer.
1043 (ISTABLE): Add __extension__ to designated-
1044 initializers version.
1045 * cpplex.c (CHARTAB): Likewise.
1047 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
1048 case so the file won't be empty.
1050 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
1052 * bb-reorder.c (struct reorder_block_def): Member succ removed.
1053 (REORDER_BLOCK_SUCC): Removed.
1054 (enum reorder_skip_type): Removed.
1055 (skip_insns_between_block): Renamed to skip_insns_after_block.
1056 Removed second argument. Removed dead code and cleaned up.
1057 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
1058 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
1059 second parameter to skip_insns_after_block.
1061 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1063 * tree.c (staticp, case LABEL_DECL): New case.
1065 2000-05-03 Richard Henderson <rth@cygnus.com>
1067 * Makefile.in (start.encap): Do not depend on LIBGCC1.
1069 * mklibgcc1.in: Fix typo last change.
1071 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
1073 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
1074 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
1075 (GCC_CFLAGS): Use it.
1076 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
1077 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
1078 objc/Make-lang.in: Use it.
1080 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
1082 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
1084 2000-05-03 Richard Henderson <rth@cygnus.com>
1086 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
1087 LIBGCC1 empty with libgcc1.null.
1089 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
1091 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
1094 2000-05-03 Greg McGary <gkm@gnu.org>
1096 * tree.h (tree_common): Add bounded_flag member. Remove
1097 inaccurate comment about number of remaining bits.
1098 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
1099 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
1100 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
1101 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
1102 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
1103 (TYPE_QUAL_BOUNDED): New constant.
1104 (TYPE_QUALS): Handle bounded qualifier.
1105 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
1106 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
1107 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
1108 TYPE_AMBIENT_BOUNDEDNESS): New macros.
1109 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
1110 (tree_type): Add pointer_depth member. Remove
1111 inaccurate comment about number of remaining bits.
1112 (DECL_POINTER_DEPTH): Add macro.
1113 (tree_decl): Add pointer_depth member.
1115 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
1117 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
1118 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
1119 (lshrhi3_out): Likewise.
1120 (ashrsi3_out): bugfix in shift by 8.
1121 (test_hard_reg_class): New function.
1122 * config/avr/avr.md: Bugfix inside conditions in peepholes.
1123 (ashlhi3): removed define_expand of this pattern.
1124 (*ashlhi3_insn): renamed to ashlhi3.
1125 (ashlsi3): removed define_expand of this pattern.
1126 (*ashlsi3_insn): renamed to ashlsi3.
1127 (ashrqi3): removed define_expand of this pattern.
1128 (*ashrqi3_insn): renamed to ashrqi3.
1129 (ashrhi3): removed define_expand of this pattern.
1130 (*ashrhi3_insn): renamed to ashrhi3.
1131 (ashrsi3): removed define_expand of this pattern.
1132 (*ashrsi3_insn): renamed to ashrsi3.
1133 (lshrhi3): removed define_expand of this pattern.
1134 (*lshrhi3_insn): renamed to lshrhi3.
1135 (lshrsi3): removed define_expand of this pattern.
1136 (*lshrsi3_insn): renamed to lshrsi3.
1138 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
1140 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
1141 inclusion of "system.h".
1143 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
1145 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
1148 2000-05-03 David Mosberger <davidm@hpl.hp.com>
1150 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
1151 if -mauto-pic is on.
1152 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
1153 -mconstant-gp is in effect and function-descriptors are being used
1154 to make indirect calls.
1155 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
1156 (MASK_AUTO_PIC): Ditto.
1157 (TARGET_CONST_GP): Ditto.
1158 (TARGET_AUTO_PIC): Ditto.
1159 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
1160 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
1161 -mno-pic is in effect.
1162 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
1163 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
1164 -mauto-pic is in effect.
1165 (gprel64_offset): New pattern.
1166 (load_gprel64): Ditto.
1167 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
1168 -mconstant-gp is in effect, no need to preserve gp around direct
1170 (call_value): Ditto.
1171 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
1172 (FUNCTION_PROFILER): Define.
1173 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
1174 @fptr() directive when -mno-pic or -mauto-pic is in effect.
1175 (ASM_OUTPUT_DESTRUCTOR): Ditto.
1177 2000-05-03 Richard Henderson <rth@cygnus.com>
1179 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
1180 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
1181 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
1182 (mklibgcc, libgcc.mk): New targets.
1183 (libgcc.a): Use libgcc.mk.
1184 (stmp-multilib): Likewise.
1185 (stmp-multilib-sub): Remove.
1186 (mostlyclean): Don't delete libgcc2 temp files.
1187 * configure.in (AC_PROG_CC_C_O): Add.
1188 (NO_MINUS_C_MINUS_O): Substitute it.
1189 (all_outputs): Add mklibgcc.
1190 * mklibgcc.in: New file.
1192 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
1194 * cppexp.c (op_t): Make an int.
1196 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
1198 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
1200 * gensupport.c (process_rtx): Fix macros used.
1202 2000-05-03 Richard Henderson <rth@cygnus.com>
1204 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
1205 call-clobbered registers of a call.
1207 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
1209 * gensupport.c: New file.
1210 * gensupport.h: New file.
1211 * Makefile.in (HOST_RTL): Depend on gensupport.
1212 (gensupport.o) New rule.
1213 * genattr.c: Use gensupport for reading .md files.
1214 * genattrtab.c: Ditto.
1215 * gencodes.c: Ditto.
1216 * genconfig.c: Ditto.
1218 * genextract.c: Ditto.
1219 * genflags.c: Ditto.
1220 * genopinit.c: Ditto.
1221 * genoutput.c: Ditto.
1223 * genrecog.c: Ditto.
1224 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
1225 * md.texi (Insn Splitting): Document define_insn_and_split.
1227 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
1229 * flow.c (verify_flow_info): Added two more sanity checks. The
1230 first checks that the blocks are numbered consecutively. The second
1231 checks that n_basic_blocks is actually equal to the number of
1232 basic blocks in the insn chain.
1234 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
1236 * cpplib.h: Add accessor macros for token lists.
1237 * cpplib.c, cpphash.c, cpplex.c: Use them.
1239 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1241 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
1242 memory usage if not in a function.
1243 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
1244 return address if static.
1246 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
1248 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
1249 whether address may trap.
1251 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
1253 * bb-reorder (chain_reorder_blocks): Changed code to test for
1254 EDGE_FALLTHRU rather than making erroneous assumption that the
1255 first outgoing edge is the fall-through edge.
1257 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
1259 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
1260 ABI for varargs, across all MIPS. This is incompatible because the
1261 va_list (__builtin_va_list) structure is different, so a compilation
1262 unit passing a va_list and a compilation unit being passed one, should
1263 both be compiled with the same ABI. (The old structure had two
1264 pointers, now it has three.)
1266 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
1268 * bb-reorder.c (struct reorder_block_def): Remove members end,
1269 block_begin, and block_end.
1270 (REORDER_BLOCK_OLD_END): Delete.
1271 (REORDER_BLOCK_BEGIN): Delete.
1272 (REORDER_BLOCK_END): Delete.
1273 (chain_reorder_blocks): Remove dead code.
1275 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
1277 * bb-reorder.c (remove_scope_notes): Check for both types of scope
1278 notes as the end of a basic block before deleting.
1280 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
1282 * final.c (final_start_function): Fix spelling of "necessary".
1284 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
1286 * toplev.c (debug_ignore_block): Return int.
1287 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
1288 * toplev.h, dwarf2out.h: Adjust.
1289 * emit-rtl.c (remove_unnecessary_notes): Test return value.
1291 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
1292 * toplev.c, final.c, rtl.h: Adjust.
1294 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
1296 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
1297 * configure.in: Look for makeinfo in the unified tree, then
1298 for a system makeinfo which is sufficiently new.
1299 * Makefile.in: If configure says makeinfo is too old, don't
1300 build or install Info documentation.
1302 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
1304 * cpphash.c (collect_params): Fix off-by-one error.
1305 (dump_hash_helper): Dump all four macro nodetypes.
1307 2000-05-02 Jakub Jelinek <jakub@redhat.com>
1309 * cpphash.c (trad_stringify): Adjust p after stringification as
1312 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
1314 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
1315 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
1317 * cppfiles.c (file_cleanup): Delete.
1318 * cpphash.c (macro_cleanup): Delete.
1319 (collect_objlike_expansion, collect_funlike_expansion,
1320 macarg, scan_arguments): Remove CPP_POP case.
1322 * cpplex.c (null_cleanup): Delete.
1323 (cpp_pop_buffer): Do the work that was done in the cleanups
1324 here. Call _cpp_unwind_if_stack from here.
1325 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
1326 cpp_scan_buffer): Run until we see CPP_EOF and the top of
1327 stack is the buffer _below_ the one we stacked.
1328 (cpp_get_token): Always pop an exhausted buffer. Return
1329 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
1330 * cpplib.c (skip_if_group): Don't call cpp_get_token to
1331 increment the line number.
1332 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
1334 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
1335 we see CPP_EOF and the top of stack is the buffer _below_ the
1337 * scan-decls.c: Likewise.
1339 2000-05-02 Andrew Haley <aph@cygnus.com>
1341 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
1342 where this function is called for the second time on a decl that
1343 has had its section info changed in such a way as to move it out
1345 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
1347 2000-05-01 Richard Henderson <rth@cygnus.com>
1349 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
1350 the sequence we're moving, not to merge_bb->head.
1352 2000-05-01 Richard Henderson <rth@cygnus.com>
1354 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
1355 reference to alpha/t-linux.
1356 (alpha*-*-linux-gnu*): Likewise.
1357 * configure: Rebuild.
1359 * calls.c (expand_call): Don't emit reg notes for a sibcall.
1361 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
1364 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
1366 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
1368 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
1371 2000-05-01 Richard Henderson <rth@cygnus.com>
1373 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
1374 emit_conditional_move.
1376 2000-05-01 Jakub Jelinek <jakub@redhat.com>
1378 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
1379 as the dynamic linker.
1381 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
1383 * cppfiles.c (open_include_file): Open file in blocking mode.
1384 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
1385 Only exclude block devices and directories.
1387 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
1388 static. Allocate the hashnode and its string in the same
1390 (del_HASHNODE): Don't free h->name.
1391 (_cpp_lookup): If there is no entry for this string, create
1392 one, of type T_VOID.
1393 (_cpp_lookup_slot): Delete.
1394 * cpphash.h: Update prototypes.
1396 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
1398 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
1399 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
1400 node here, just fill in the value field properly. "Delete"
1401 entries by setting the value field to T_VOID. Check for
1402 hp->type == T_VOID, not hp == NULL.
1404 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
1405 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
1408 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
1410 * config/mn10300/mn10300.c (print_operand_address): Do not add
1413 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
1414 adjusted by less than 256 bytes, use ret regardless of having any
1415 callee-saved register to restore.
1417 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
1419 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
1421 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
1423 * config/i386/djgpp.h (INT_ASM_OP): Define.
1424 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
1425 (ASM_WEAKEN_LABEL): Define.
1426 (MASK_BNU210): Define.
1427 (SUBTARGET_SWITCHES): Define.
1428 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
1429 (MAKE_DECL_ONE_ONLY): Define.
1430 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
1432 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
1434 * i386/cygwin.h (INT_ASM_OP): Define.
1436 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
1438 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
1439 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
1441 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
1443 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
1444 __tmp_reg__ and __zero_reg__ initialization.
1446 2000-04-30 Richard Henderson <rth@cygnus.com>
1448 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
1450 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
1451 referenced bewteen the condition and the jump. Don't delete
1452 anything but the jump.
1454 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
1456 * bb-reorder.c (scope_def): New struct.
1457 (scope_forest_info): New struct.
1458 (struct reorder_block_def): New member "scope".
1459 (REORDER_BLOCK_SCOPE): New macro.
1460 (relate_bbs_with_scopes): New function and prototype.
1461 (make_new_scope): Likewise.
1462 (build_scope_forest): Likewise.
1463 (remove_scope_notes): Likewise.
1464 (insert_intra_1): Likewise.
1465 (insert_intra_bb_scope_notes): Likewise.
1466 (insert_inter_bb_scope_notes): Likewise.
1467 (rebuild_scope_notes): Likewise.
1468 (free_scope_forest_1): Likewise.
1469 (free_scope_forest): Likewise.
1470 (dump_scope_forest): Likewise.
1471 (dump_scope_forest_1): Likewise.
1472 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
1473 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
1475 (reorder_basic_blocks): Added calls to build_scope_scope_forest
1476 and remove_scope_notes before reordering is done. Added calls to
1477 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
1478 after reordering is done.
1480 2000-40-30 Bruce Korb <bkorb@gnu.org>
1482 * fixinc/inclhack.def: Added definitions needed by OSR5,
1483 removed two stale entries (defined away with OLD_CPP).
1484 * fixinc/inclhack.sh: regen
1485 * fixinc/fixincl.x: regen
1487 2000-04-30 Richard Henderson <rth@cygnus.com>
1489 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
1490 from the last insn in the sequence.
1492 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
1494 * cpplex.c (cpp_idcmp): New function.
1495 * cpplib.h: Prototype it.
1496 * scan_decls.c (scan_decls): Use it to inspect token names.
1497 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
1498 the file being run through the preprocessor.
1499 (check_macro_names): Provide length of token to cpp_defined.
1501 * Makefile.in: Remove stale warning message.
1503 * cppfiles.c (redundant_include_p): Provide length of token to
1505 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
1506 values are unsigned int.
1507 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
1508 (_cpp_lookup_slot): Do not calculate the hash, either.
1509 * cpphash.h: Update prototypes.
1510 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
1511 Hashes are unsigned int. Calculate hash here, pass by value
1512 to _cpp_lookup_slot.
1514 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
1516 * simplify-rtx.c (check_value_useless): Delete function.
1517 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
1519 (cselib_invalidate_regno): Likewise.
1520 (cselib_invalidate_mem_1): Likewise.
1521 (references_value_p): Recognize useless values by the fact that they
1523 (discard_useless_values): Likewise.
1524 (cselib_record_set): This may turn a useless value
1527 2000-04-30 Richard Henderson <rth@cygnus.com>
1529 * config/d30v: New port.
1531 * configure.in (d30v-*): Set fp format.
1532 * configure: Rebuild.
1534 2000-04-30 Richard Henderson <rth@cygnus.com>
1536 * ifcvt.c: New file.
1537 * Makefile.in (OBJS): Add it.
1538 (ifcvt.o): New target.
1539 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
1540 and conditional arithmetic.
1541 (find_insert_position): Remove.
1542 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
1543 * toplev.c (DFI_ce, DFI_ce2): New.
1544 (dump_file): Add ce and ce2 dumps.
1545 (rest_of_compilation): Run if_convert a couple o times. Set
1546 cse_not_expected after cse2. Don't set no_new_pseudos until
1547 after sched1 or recompute_reg_usage.
1549 2000-04-30 Richard Henderson <rth@cygnus.com>
1551 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
1552 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
1554 2000-04-30 Richard Henderson <rth@cygnus.com>
1556 * flow.c (struct reg_cond_life_info): New.
1557 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
1558 (init_propagate_block_info): Initialize them.
1559 (free_propagate_block_info): Destruct them.
1560 (mark_set_1): Consider conditional life before killing a register.
1561 (mark_regno_cond_dead): New.
1562 (free_reg_cond_life_info): New.
1563 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
1564 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
1565 (mark_used_reg): Record conditional life.
1567 * haifa-sched.c (schedule_insns): Disable death counting
1568 sanity check for HAVE_conditional_execution.
1570 2000-04-30 Richard Henderson <rth@cygnus.com>
1572 * Makefile.in (TIMEVAR_H): New.
1573 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
1574 (timevar.h): Remove rule.
1576 2000-04-29 Richard Henderson <rth@cygnus.com>
1578 * config/alpha/crtend.asm: Use C comments instead of #.
1579 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
1581 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
1583 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
1585 * cpphash.h (enum node_type: Take out T_MCONST.
1586 (union hashval): Move into struct hashnode.
1587 (struct hashnode): Pack tighter. Remove file, line, col
1589 * cpphash.c: Constify most of the macro-definition structures.
1590 (struct definition): Replace by struct object_defn
1591 and struct funct_defn. Put file, line, column information
1592 here. All users updated to match.
1593 (_cpp_create_definition, _cpp_macroexpand): Remove special
1594 case for #define WORD OTHERWORD.
1595 * cpplib.c (do_undef): Remove T_MCONST case.
1597 * cpphash.h: Move struct reflist, struct definition, and the
1598 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
1599 union hashval. _cpp_free_definition takes a HASHNODE pointer.
1600 * cpphash.c (_cpp_free_definition): Free data pointed to by
1601 MCONST, XCONST, MACRO, and FMACRO nodes properly.
1602 (_cpp_create_definition, del_HASHNODE): Just call
1603 _cpp_free_definition to clear out a hashnode.
1604 * cpplib.c (do_pragma_poison): Likewise.
1606 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1608 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
1609 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
1610 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
1611 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
1612 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
1613 REGNO_AM33_P): Redefine in terms of the new macros.
1614 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
1615 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
1616 STRUCT_VALUE): Likewise.
1617 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1618 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
1620 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
1622 * regmove.c (struct record_stack_memrefs_data): New.
1623 (record_stack_memrefs): New function.
1624 (combine_stack_adjustments_for_block): Use it.
1626 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
1628 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
1629 use special_function_p to detect alloca.
1631 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
1633 * gcc.texi: Fixes for makeinfo 4.0 --html.
1635 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
1637 * pcp.h: Delete file.
1639 2000-04-28 Kazu Hirata <kazu@hxi.com>
1641 * h8300.c (function_epilogue): Clean up flags when the last insn
1642 in a function is a barrier.
1644 2000-04-28 Chris Demetriou <cgd@sibyte.com>
1646 * configure.in (sparc-hal-solaris2*): protect [] glob from
1648 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
1649 rather than hard-coded constants in target_cpu_default2.
1650 * configure: Regenerate.
1652 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
1654 * tree.c (get_callee_fndecl): Extract the initial value from
1657 2000-04-28 Richard Henderson <rth@cygnus.com>
1659 * varasm.c (record_constant_1): Record the CODE_LABEL when
1660 taking the address of a LABEL_REF.
1662 2000-04-28 Richard Henderson <rth@cygnus.com>
1663 Jan Hubicka <jh@suse.cz>
1665 * calls.c (combine_pending_stack_adjustment_and_call): Return the
1666 adjustment; don't do the stack adjust.
1667 (expand_call): Call compute_argument_block_size right before
1668 allocating the block; update comment; don't do alignment sanity
1669 checking for sibling call; use args_size instead of
1670 unadjusted_args_size before args_size is adjusted. Use
1671 combine_pending_stack_adjustment_and_call to compute stack adjust
1672 for must_preallocate case.
1674 * expr.c (push_block): Remove shadow `temp' in inner scope.
1676 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
1678 * toplev.c (rest_of_compilation): Call
1679 note_deferral_of_defined_inline_function even if the function
1682 2000-04-28 Scott Bambrough <scottb@netwinder.org>
1684 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
1686 2000-04-28 Richard Henderson <rth@cygnus.com>
1688 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
1690 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1692 * timevar.c (init_timevar): DeANSIfy function definition.
1694 2000-04-27 Alex Samuel <samuel@codesourcery.com>
1696 * Makefile.in (timevar.o): Depend on flags.h.
1697 * timevar.c (unused_stack_instances): New variable.
1698 (timevar_push): Take a timevar_stack_def from
1699 unused_stack_instances if available.
1700 (timevar_pop): Push the popped timevar_stack_def onto
1701 unused_stack_instances.
1702 (TIMEVAR_ENABLE): New macro.
1703 (timevar_def): Make standalone a 1-bit field. Add field used.
1704 (get_time): Rename parameter to now. Return after clearing it if
1706 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
1707 (timevar_pop): Likewise.
1708 (timevar_stop): Likewise.
1709 (timevar_push): Likewise. Mark the timing variable as used.
1710 (timevar_start): Likewise.
1711 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
1712 timevars that were never used.
1714 2000-04-27 Mark Mitchell <mark@codesourcery.com>
1716 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
1717 always TREE_READONLY.
1719 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
1721 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
1722 for call instruction with mode QImode.
1724 2000-04-27 Alex Samuel <samuel@codesourcery.com>
1726 * Makefile.in (OBJS): Add timevar.o.
1727 (toplev.o): Depend on timevar.h.
1728 (ggc-simple.o): Likewise.
1729 (ggc-page.o): Likewise.
1730 (timevar.o): New rule.
1731 (timevar.h): New rule.
1733 * timevar.h: New file.
1734 * timevar.c: Likewise.
1735 * timevar.def: Likewise.
1737 * toplev.h (gc_time, parse_time, varconst_time): Remove.
1738 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
1740 (TIMEVAR): Remove macro.
1741 (gc_time, parse_time, varconst_time, integration_time, jump_time,
1742 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
1743 flow_time, combine_time, regmove_time, sched_time,
1744 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
1745 sched2_time, dbr_sched_time, reorder_blocks_time,
1746 rename_registers_time, shorten_branch_time, stack_reg_time,
1747 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
1749 (compile_file): Don't initialize time variables. Call
1750 init_timevar and start TV_TOTAL timer. Call timevar_print instead
1751 of many calls to print_time.
1752 (rest_of_compilation): Add timing for reload_cse_regs.
1753 (get_run_time): Removed to timevar.c.
1754 (print_time): Likewise.
1755 (get_run_time): Implement using TV_TOTAL time variable.
1756 (print_time): Get total run time from get_run_time.
1757 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
1758 computing elapsed time explicitly.
1759 * ggc-simple.c (ggc_collect): Likewise.
1760 (gc_time): Remove declaration.
1762 2000-04-27 Mark Mitchell <mark@codesourcery.com>
1764 * calls.c (combine_pending_stack_adjustment_and_call): New function.
1765 (expand_call): Use it.
1767 2000-04-27 Jan Hubicka <jh@suse.cz>
1769 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
1772 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1774 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
1777 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
1779 * function.c (epilogue_done): Pass whole insn to record_insns.
1781 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
1783 * cse.c (CSE_ADDRESS_COST): Remove.
1784 (find_best_addr): Add new parameter "MODE", use address_cost instead
1786 (address_cost): New.
1787 (fold_rtx): Update call of find_best_addr.
1788 * rtl.h (address_cost): Declare.
1789 * loop.c (general_induction_var): Add new parameter "MODE", use
1790 address_cost instead of ADDRESS_COST
1791 (init_loop): Use address_cost instead of ADDRESS_COST.
1792 (check_insn_for_givs): Update call of general_induction_var.
1793 (find_mem_givs): Likewise.
1794 (consec_sets_giv): Likewise.
1795 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
1796 * i386.c (ix86_address_cost): New.
1797 * i386-protos.h (ix86_address_cost): Declare.
1799 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
1801 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
1804 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
1806 * expr.c (store_expr): Use clear_storage instead of direct memset
1809 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
1811 * config/mn10300/mn10300.c (mn10300_address_cost): Test
1812 ASHIFT, AND and LABEL_REF.
1814 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
1816 * invoke.texi (-foptimize-sibling-calls): Fix.
1818 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
1820 * loop.c (load_mems) Don't use hard registers for the hoisting.
1822 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
1823 calculation; rename const_equiv array in the preconditioning code
1824 from loop_unroll to loop_unroll_precondition
1826 2000-04-27 Richard Henderson <rth@cygnus.com>
1828 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
1830 (propagate_one_insn): Clear it. Don't update reg_live here.
1831 (init_propagate_block_info): Update for pbi member changes.
1832 (free_propagate_block_info): Likewise.
1833 (mark_set_1): Know that zero_extract, sign_extract, and
1834 strict_low_part don't kill their argument. Alter hard subregs.
1835 Update new_set for non-CLOBBER sets. Update reg_live.
1836 (find_auto_inc): Update reg_live, not new_dead.
1837 (mark_used_reg): Update reg_live, not new_live. Examine new_set
1838 to determine if the reg in question was set this insn. Only update
1839 reg info with PROP_REG_INFO.
1841 2000-04-26 Richard Henderson <rth@cygnus.com>
1843 * flow.c (allocate_reg_life_data): Set max_regno here ...
1844 (life_analysis): ... not here.
1846 * flow.c (calculate_global_regs_live): Force stack pointer
1849 2000-04-26 Richard Henderson <rth@cygnus.com>
1851 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
1852 commit change group changes.
1853 (invert_exp_1): Similarly.
1854 (redirect_exp, invert_exp): Use them.
1855 (redirect_jump_1): New.
1856 (invert_jump_1): New.
1857 (jump_optimize_1): Remove code subsumed by condexec.c.
1858 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
1860 2000-04-26 Richard Henderson <rth@cygnus.com>
1862 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
1864 * genconfig.c (main): Set all HAVE_foo to 1.
1866 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
1868 2000-04-26 Alex Samuel <samuel@codesourcery.com>
1870 * invoke.texi: Document -fssa flag.
1872 2000-04-26 Richard Henderson <rth@cygnus.com>
1874 * flow.c (count_reg_sets_1): Remove.
1875 (count_reg_sets, count_reg_references): Remove.
1876 (recompute_reg_usage): Implement with update_life_info.
1877 Reallocate life data.
1879 2000-04-26 Richard Henderson <rth@cygnus.com>
1881 * flow.c (update_life_info): Consider blocks null to mean the
1883 (calculate_global_regs_live): Likewise.
1884 (life_analysis): Do that instead of collecting all_blocks.
1886 2000-04-26 Richard Henderson <rth@cygnus.com>
1888 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
1889 a still-valid conditional jump.
1891 2000-04-26 Richard Henderson <rth@cygnus.com>
1893 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
1895 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
1896 * flow.c (calculate_loop_depth): Remove.
1897 * output.h (calculate_loop_depth): Don't declare.
1898 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
1899 inline; run estimate_probability at the same time.
1901 2000-04-26 Neil Booth <NeilB@earthling.net>
1903 * cpplib.h: "~=" is not a single pp-token.
1904 * cpplex.c: Correct commentary.
1906 2000-04-26 Richard Henderson <rth@cygnus.com>
1908 * flow.c (mark_set_1): New arguments code and flags; update all
1909 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
1910 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
1911 loop_depth when optimizing for size. Do new_dead update after
1912 emitting REG_UNUSED notes. Merge mark_set_reg code.
1913 (mark_set_reg): Remove.
1914 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
1915 arrange to not emit REG_UNUSED notes.
1917 2000-04-26 Richard Henderson <rth@cygnus.com>
1919 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
1920 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
1922 2000-04-26 Richard Henderson <rth@cygnus.com>
1924 * flow.c (propagate_one_insn): Break out from propagate_block.
1925 (init_propagate_block_info): Likewise.
1926 (free_propagate_block_info): Likewise.
1927 (propagate_block): Use them. Export.
1928 * basic-block.h: Declare them all.
1930 2000-04-26 Richard Henderson <rth@cygnus.com>
1932 * basic-block.h (life_analysis): Declare here ...
1933 * output.h: ... not here.
1934 * flow.c (life_analysis): Remove nregs parameter; replace
1935 remove_dead_code with flags. Remove ssa dead code check.
1936 Only init alias analysis if we'll use it.
1937 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
1938 * ssa.c (convert_to_ssa): Likewise.
1939 (convert_from_ssa): Likewise.
1940 * toplev.c (rest_of_compilation): Likewise.
1942 2000-04-26 Richard Henderson <rth@cygnus.com>
1944 * flow.c (flow_delete_block): Rename from delete_block. Export.
1945 * basic-block.h (flow_delete_block): Declare.
1947 2000-04-26 David S. Miller <davem@redhat.com>
1949 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
1950 taking a PATTERN of it.
1952 2000-04-26 <NeilB@earthling.net>
1954 * cpplex.c (spell_other, spell_char): Remove.
1956 (token_spelling, trigraph_map): Use unsigned chars.
1957 (_cpp_lex_line): Tidy up the switch statement.
1958 * cpplib.h: Implement spell_char with spell_string.
1961 2000-04-26 <RodneyBrown@pmsc.com>
1963 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
1964 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
1966 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1968 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
1969 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
1970 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
1971 dwarf2out_return_save, dwarf2out_return_reg,
1972 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
1973 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
1974 gen_compile_unit_die, dwarf2out_init): Constify a char*.
1976 * dwarf2out.h (dwarf2out_init): Likewise.
1978 * dwarfout.c (filename_entry, primary_filename, last_filename,
1979 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
1981 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
1982 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
1983 dwarf2out_return_reg): Likewise.
1985 2000-04-26 Andreas Jaeger <aj@suse.de>
1987 * extend.texi (Function Attributes): Fix description of pure
1990 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
1992 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
1993 before calling rest_of_compilation.
1995 2000-04-26 Andreas Jaeger <aj@suse.de>
1997 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
2000 2000-04-25 Richard Henderson <rth@cygnus.com>
2002 * cse.c (cse_insn): Emit barrier after unconditional jump.
2004 * calls.c (expand_call): Disable tail call generation once
2005 rtx_equal_function_value_matters is false.
2007 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
2010 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
2012 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
2014 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
2016 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
2017 is the primary DIE for a member function.
2018 (gen_decl_die): Call set_decl_origin_self here.
2019 * dwarfout.c (output_decl): And here.
2020 * integrate.c (output_inline_function): Not here.
2021 Don't clear DECL_INLINE until after calling rest_of_compilation.
2022 (set_decl_origin_self): No longer static.
2023 * tree.h: Add prototype.
2024 * toplev.c (note_deferral_of_defined_inline_function): Only write
2025 out abstract instance for actual inlines.
2027 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
2029 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
2030 EXTENDED_REGS only if TARGET_AM33.
2031 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
2032 SP_REGS to register allocation and reloading unless absolutely
2034 (movsi3): Remove special-case of adding non-constants to SP.
2036 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2038 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
2039 INCLUDES to search and does not provide any of its own. Also it
2040 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
2041 parameters. Also it does not call AC_DEFINE.
2042 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
2043 AC_DEFINE and provides for automatic entries for autoheader.
2044 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
2046 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
2047 so we can pass -I flags and include gansidecl.h/system.h in this
2050 * acconfig.h: Delete all NEED_DECLARATION_* entries.
2052 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2054 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
2055 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
2056 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
2058 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
2059 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
2060 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
2061 for these macros. Clean up spacing and linewraps.
2063 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
2065 * calls.c (expand_call): Use get_callee_fndecl.
2067 * print-tree.c (print_node): Print the chain of an _EXPR.
2069 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
2070 Jim Wilson <wilson@cygnus.com>
2071 Andrew Haley <aph@cygnus.com>
2073 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
2074 and gp save/restore problems.
2075 * config/ia64/crtend.asm: Add IA-64 unwind support.
2076 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
2077 in fr_pad_size calculation.
2078 (save_restore_insns): Move PR save area. Correct uses of
2079 RTX_FRAME_RELATED_P.
2080 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
2081 (ia64_expand_epilogue): Add eh_epilogue support.
2082 (ia64_function_prologue): Emit .prologue directive.
2083 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
2084 (ia64_override_options): Set init_machine_status and
2085 mark_machine_status.
2086 (rtx_needs_barrier): Handle bsp reads and writes.
2087 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
2088 New static variables.
2089 (process_set, process_for_unwind_directive): New functions.
2090 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
2091 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
2092 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
2094 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
2095 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
2096 (struct machine_function): Define.
2097 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
2099 2000-04-25 Bruce Korb <bkorb@gnu.org>
2101 * fixinc/Makefile.in: make the removal of old programs more
2103 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
2104 install-bin and install-sh
2106 2000-04-25 Nick Clifton <nickc@cygnus.com>
2108 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
2109 defined, define to return zero.
2110 (function_cannot_inline_p): If a function has any target
2111 specific attributes, then use the macro
2112 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
2113 whether it can be inlined. If it cannot, issue a suitable
2116 * tm.texi: Add a new node 'Inlining' to document the new macro
2117 FUNCTION_ATTRIBUTE_INLINABLE_P.
2119 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
2121 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
2124 2000-04-25 Neil Booth <NeilB@earthling.net>
2126 Restore previous patch, plus the following fixes:
2128 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
2129 flags, not CPP_OPEN_PAREN.
2130 * cpplex.c (expand_token_space, init_token_list,
2131 cpp_free_token_list): Put the dummy token at list->tokens[-1].
2132 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
2134 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2136 * config/i386/freebsd.h (INT_ASM_OP): Define.
2138 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
2140 * loop.c (strength_reduce): Fix typo in the last checkin.
2142 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2144 * stor-layout.c (finalize_record_size): Simplify to use existing
2146 (compute_record_mode): No longer static.
2147 * tree.h (compute_record_mode): New declaration.
2149 2000-04-25 Neil Booth <NeilB@earthling.net>
2151 * Revert my patch below until cause of build failures
2154 2000-04-25 Richard Henderson <rth@cygnus.com>
2156 * combine.c (combine_instructions): Add missing argument
2159 * toplev.c (rest_of_compilation): Delay sibcall optimization
2160 until after emit_eh_context.
2162 2000-04-24 Nick Clifton <nickc@redhat.com>
2164 * combine.c (combine_instructions): Do not try to combine a
2165 sequence of insns when the second insn has been replaced by a
2168 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
2170 * gcc.c (load_specs): New static function.
2171 (read_specs): Use it.
2173 * gcc.c (lookup_compiler): Make multiple passes for case
2174 insensitive filesystems.
2176 2000-04-24 Neil Booth <NeilB@earthling.net>
2178 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
2179 * cpphash.h (_cpp_check_directive): new.
2180 * cpplex.c (handle_newline, cpp_free_token_list,
2181 init_trigraph_map, trigraph_ok, trigraph_replace,
2182 backslash_start, skip_block_comment, skip_line_comment,
2183 skip_whitespace, parse_name, parse_number, parse_string,
2184 copy_comment, _cpp_lex_line, spell_char, spell_string,
2185 spell_comment, spell_name, spell_other, _cpp_lex_file,
2186 _cpp_output_list): new.
2187 (expand_name_space): take length argument.
2188 (init_token_list): add comment list initialisation.
2189 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
2190 instead of HSPACE_BEFORE.
2192 * cpplib.c (_cpp_check_directive): new
2193 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
2194 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
2195 (HSPACE_BEFORE): delete.
2196 (TTYPE_TABLE): rearrange.
2197 (struct cpp_toklist): update.
2199 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2201 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
2202 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
2203 argument form of AC_DEFINE.
2205 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
2206 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
2207 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
2208 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
2209 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
2211 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
2213 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2215 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
2216 deduced.h): Use -isystem, not -I, for including system headers.
2218 2000-04-24 Nick Clifton <nickc@cygnus.com>
2220 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
2221 the source register is the frame pointer or arg pointer.
2222 (addsi3_small_int): Disallow if source register is the frame
2223 pointer or arg pointer.
2225 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2227 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
2228 call to AC_MSG_RESULT.
2230 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2232 * invoke.texi: Correct grammatical errors, document
2233 -fno-gnu-keywords as identical to -fno-asm for C++.
2235 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2237 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
2238 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
2239 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
2240 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
2241 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
2243 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
2244 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
2245 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
2246 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
2249 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
2251 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
2252 (pop_alignment): Likewise.
2253 (handle_pragma_token): Likewise.
2255 2000-04-24 Robert Lipe <robertlipe@usa.net>
2257 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
2259 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
2261 * combine.c (try_combine): Update reg_nonzero_bits of
2262 newi2pat before newpat.
2264 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
2266 * loop.c (strength_reduce): Simplify test to INSN_P.
2267 (record_giv): Attempt to simplify the add value, use CONSTANT_P
2268 expressions instead of CONST_INT.
2269 (express_from_1): Likewise.
2271 2000-04-24 Mark Mitchell <mark@codesourcery.com>
2273 * regs.h (reg_n_max): Don't declare.
2274 * flow.c (reg_n_max): Don't define.
2275 * regclass.c (renumber): Don't initialize to zero.
2276 (regno_allocated): Likewise.
2277 (reg_n_max): Define.
2278 (allocate_reg_info): Don't initialize unnecessarily.
2280 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
2282 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
2283 and blockage_p in the newly allocated attribute.
2285 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
2287 * config/mn10300/mn10300.md (addsi): `inc4' on address
2288 registers does not modify cc, but `inc' on an extended
2291 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
2293 * reload.c (find_equiv_reg): Checks all valueno regs
2294 as a reload_reg_p regs.
2296 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
2298 * cpphash.c (collect_objlike_expansion): Add sanity check.
2299 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
2300 the buffer is the empty string, return. Mark __DATE__ and
2301 __TIME__ as XCONST nodes, not MCONST.
2302 (_cpp_macroexpand): Avoid pushing an empty buffer.
2303 (funlike_macroexpand): Don't pop token_buffer here.
2305 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
2307 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
2308 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
2309 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
2310 (REGNO_OK_FOR_BASE_P): Define in terms of them.
2311 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
2312 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
2313 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
2315 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
2317 * loop.c (simplify_giv_expr): Be more agressive on simplifying
2320 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
2322 * cpphash.h (struct definition): Move file, line, col members...
2323 (struct hashnode): ... here. Also add 'disabled' flag.
2324 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
2325 T_IDENTITY. Remove T_DISABLED.
2328 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
2329 (collect_expansion): Split into collect_objlike_expansion and
2330 collect_funlike_expansion.
2331 (_cpp_macroexpand): Split out scan_arguments, stringify, and
2332 funlike_macroexpand.
2333 (_cpp_compare_defs): Rename compare_defs, make static.
2334 (_cpp_make_hashnode): Initialize hp->disabled.
2335 (macro_cleanup): Adjust for new token types. Clear
2337 (_cpp_create_definition): Move code here to determine what
2338 sort of macro it is, and code to check for redefinitions, from
2339 do_define. Implement a few simple cases without creating a
2341 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
2342 Handle the simple cases.
2343 (push_macro_expansion): Set buf->has_escapes and hp->disabled
2346 * cppinit.c (builtin_array): Change MCONST to XCONST
2348 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
2349 fix check for disabled and function-like macros.
2350 * cpplib.c (do_define): Move most logic to
2351 _cpp_create_definition.
2352 (do_undef): Handle new special token types.
2354 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
2356 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
2357 of CONSTANT_P for mult_val; always use validate_change to update insn.
2359 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
2361 * cpphash.c (trad_stringify, add_pat): New functions.
2362 (collect_expansion): Restore support for -traditional syntax.
2363 Use trad_stringify and add_pat.
2364 (_cpp_macroexpand): Restore support for -traditional semantics.
2365 * cpplex.c (_cpp_scan_line): Don't change space_before if we
2366 get a COMMENT token.
2367 (_cpp_lex_token): Provide COMMENT tokens to caller if
2368 traditional and parsing_define_directive.
2369 (skip_comment): Warn about // comments if -Wtraditional.
2370 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
2372 (do_undef): Don't warn about undefining EMPTY nodes.
2374 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
2376 * loop.c (strength_reduce): Fix biv removal code.
2378 2000-04-22 Richard Henderson <rth@cygnus.com>
2380 * predict.c (estimate_probability): Examine both sides of
2381 a branch for no exits. Use 90% not 50% for predict taken.
2382 Reorg for one copy of note generation code.
2384 2000-04-22 Richard Henderson <rth@cygnus.com>
2386 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
2388 2000-04-22 Richard Henderson <rth@cygnus.com>
2390 * diagnostic.c (init_output_buffer): Don't initialize format_args.
2391 (output_clear): Likewise.
2392 (output_printf): Use va_copy.
2393 (vline_wrapper_message_with_location): Likewise.
2394 (v_message_with_decl): Likewise.
2395 (line_wrapper_printf): VA_START infor buffer.format_args directly.
2396 * system.h (va_copy): Provide default implementation.
2398 2000-04-22 Richard Henderson <rth@cygnus.com>
2400 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
2401 the collected condition is not a constant.
2403 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
2405 * diagnostic.h: New file.
2407 * Makefile.in (diagnostic.o): Depends on diagnostic.h
2409 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
2410 various function prototypes.
2411 (diagnostic.h): #include.
2412 (struct output_buffer): Move into diagnostic.h.
2413 (get_output_prefix): Rename to output_get_prefix. Export.
2414 (init_output_buffer): Export. Break out. Ajust intialization.
2415 (output_space_left, output_append): Export.
2416 (output_newline): Rename to output_add_newline. Export.
2417 (output_clear): Nullify additional output_buffer fields.
2418 (output_puts): Rename to output_add_string. Export.
2419 (dump_output): Rename to output_flush_on. Export.
2420 (build_location_prefix): Constify return-type.
2421 (emit_output_prefix): Rename to output_emit_prefix. Export.
2422 (set_real_maximum_length): New function.
2423 (output_set_maximum_length): Ditto
2424 (output_clear): Ditto.
2425 (output_add_character): Ditto.
2426 (output_add_integer): Ditto.
2427 (output_add_space): Ditto.
2428 (output_format): Ditto.
2429 (output_printf): Adjust buffer initialization.
2430 (vline_wrapper_message_with_location): Ditto.
2431 (v_message_with_decl): Ditto. Adjust call to output_puts
2432 and get_output_prefix.
2433 (default_print_error_function): Adjust buffer intialization.
2435 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2437 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
2440 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
2442 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
2445 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
2447 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
2448 accurate data about SP moves.
2450 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
2452 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
2453 aliases to AM33 registers.
2455 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
2457 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
2458 to all EXTENDED bitmaps.
2460 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
2462 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
2463 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
2464 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
2466 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
2468 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
2469 the operand is not constant.
2471 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
2473 * reload.c (find_equiv_reg): Checks all valueno and regno regs
2474 as a call-clobbered regs.
2476 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2478 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
2480 * rtl.def: Update comment.
2481 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
2482 * integrate.c (expand_inline_function): Likewise.
2483 * profile.c (branch_prob): Likewise.
2484 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
2485 * print-rtl.c (print_rtx): Likewise.
2486 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
2487 (reemit_notes): Likewise; also use enum insn_note.
2489 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
2490 (place_field): Properly compute know and actual alignment.
2492 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
2495 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
2498 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
2500 * cpphash.c (struct arg, struct arglist): Const-ify strings.
2501 (warn_trad_stringify, duplicate_arg_p): New helper functions.
2502 (collect_expansion): Rewrite to scan over a token list.
2503 Remove -traditional support.
2504 (collect_formal_parameters): Rename to collect_params; rewrite
2505 to scan over a token list.
2506 (_cpp_create_definition): Adjust to scan a token list.
2507 (_cpp_macroexpand): Remove -traditional support.
2508 (_cpp_compare_defs): Whitespace is now canonicalized.
2509 (comp_def_part): Delete function.
2511 * cpphash.h: Update prototypes.
2512 * cpplex.c (init_token_list): Don't set lineno if there is no
2514 (pedantic_whitespace): New function.
2515 (_cpp_scan_line): Mark tokens that had hspace before. Don't
2516 consume a newline. Use pedantic_whitespace.
2517 (_cpp_lex_token): Remove support for -traditional macros.
2518 (_cpp_get_define_token): Delete.
2519 (_cpp_get_directive_token): Do the real work here. Use
2520 pedantic_whitespace.
2521 (_cpp_init_input_buffer): Initialize pfile->directbuf.
2523 * cpplib.c (get_macro_name): Delete.
2524 (do_define): Read the entire line into pfile->directbuf, then
2525 feed the token list to _cpp_create_definition.
2526 * cpplib.h (HSPACE_BEFORE): new define.
2527 (struct cpp_reader): Add a toklist member, "directbuf".
2529 * predict.c (estimate_probability): New heuristic: if a jump
2530 branches around a block with no successors, predict it taken.
2531 Disentangle control flow.
2533 2000-04-20 Richard Henderson <rth@cygnus.com>
2535 * loop.c (emit_iv_add_mult): Revert last change.
2537 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
2539 * cpplib.h (enum cpp_ttype): Add token types for all
2540 punctuators. Distinguish pp-numbers from valid C numbers.
2541 Give some tokens better names. Initialize from macro.
2542 (struct cpp_name, cpp_token, cpp_toklist): New data
2545 * cpplex.c (bump_column, expand_name_space,
2546 expand_token_space, init_token_list, cpp_output_list,
2547 _cpp_scan_line): New functions.
2548 (output_line_command): Add third argument, new line number.
2549 * cpphash.h: Update prototypes.
2550 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
2553 2000-04-20 Richard Henderson <rth@cygnus.com>
2555 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
2557 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
2559 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
2562 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
2564 * loop.c (emit_iv_add_mult): Simplify it's input and emit
2565 REG_EQUAL note explaining the calculated value.
2567 * calls.c (expand_call): Avoid unnecesary precalculation
2568 and outgoing parameters space guarding for sibling calls.
2569 (store_one_arg): Likewise.
2571 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2573 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
2574 (rest_of_compilation): Write sibling dump file and account
2575 for time as jump time.
2576 * invoke.texi: Update documentation on dump flags.
2578 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
2580 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
2582 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
2584 * cpphash.c (special_symbol): Represent an empty macro with
2585 "\r \r " not just "\r ".
2586 (_cpp_macroexpand): Correct condition for the foo ( ) special
2588 (unsafe_chars): Handle EOF as second argument.
2589 (push_macro_expansion): Simplify test for removing escape at
2590 end. Do not trim both escapes if there is no text in between.
2592 2000-04-19 Jim Blandy <jimb@redhat.com>
2594 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
2595 of PTR_SIZE, when appropriate.
2597 2000-04-19 Mark Mitchell <mark@codesourcery.com>
2599 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
2600 (USE_ENUM_BITFIELDS): Fix typo.
2602 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2604 * stor-layout.c (place_field): Set rli->offset_align properly.
2606 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2608 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
2609 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
2610 PARM_BOUNDARY): Remove unnecessary casts.
2612 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
2614 * calls.c (precompute_arguments): Remove must_preallocate and
2616 (expand_call): Update call of precompute_arguments.
2618 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
2619 check_insn_for_givs): Break out from ...
2620 (strength_reduce) ... here; use for_every_insn_in_loop to call
2621 check_insn_for_givs.
2622 * loop.h (for_every_insn_in_loop): Declare.
2623 (loop_insn_callback): New type.
2625 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
2627 * cpplib.c (do_pragma_poison): Strings in the token buffer are
2630 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
2632 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
2635 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
2637 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
2639 * configure.in: Delete --disable-cpplib option and all
2640 references to cpp_main.
2641 * configure: Regenerate.
2642 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
2643 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
2644 cccp.o, cccp, or cppmain. Link cppmain.o straight to
2645 cpp$(exeext). Add --no-headers to makeinfo command line when
2646 generating INSTALL. Install and uninstall cpp.1 manpage, not
2648 * install.texi: Delete all references to cexp.y/cexp.c.
2649 Delete ancient instructions for compiling GCC on 3b1.
2650 * INSTALL: Regenerate.
2652 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
2653 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
2654 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
2656 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
2657 which is no longer tested anywhere.
2659 * cppinit.c (handle_option): Don't run error message through
2662 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2664 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
2665 * cpperror.c (hashtab.h): Now include.
2666 * cppexp.c (hashtab.h): Likewise.
2667 * cpplex.c (hashtab.h): Likewise.
2668 * cppfiles.c (hashtab.h): Likewise.
2669 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
2670 to htab_find_slot_with_hash.
2671 * cpphash.c (hashtab.h): Now include.
2672 (_cpp_lookup_slot): INSERT is now enum insert_option.
2673 * cpphash.h (_cpp_lookup_slot): Likewise.
2674 * cppinit.c (hashtab.h): Include earlier.
2675 (initialize_builtins): Pass enum to htab_find_slot.
2676 * cpplib.c (hashtab.h): Now include.
2677 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
2678 (do_pragma_poison, do_assert): Likewise.
2679 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
2680 htab_find_slot_with_hash.
2681 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
2682 * tree.c (type_hash_add): Likewise.
2683 (build1): Minor cleanup.
2685 * ggc-common.c: Add missing blanks.
2686 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
2687 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
2689 * stmt.c (mark_case_node): New function.
2690 (mark_case_nesting): Call it.
2692 * expmed.c (emit_store_flag): If comparing two-word integer
2693 with zero, can optimize NE, EQ, GE, and LT.
2695 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
2696 * conflict.c: Minor cleanups.
2697 * optabs.c: Add blank line
2698 * simplify-rtx.c: Minor cleanups.
2700 2000-04-18 Stan Cox <scox@cygnus.com>
2702 * gengenrtl.c (genlegend): Fix misspelling.
2704 2000-04-18 Robert Lipe <robertlipe@usa.net>
2706 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
2707 bitfields of the host compiler are not signed quantities.
2708 * config.in: Regenerate.
2709 * configure: Regenerate.
2710 * system.h (USE_ENUM_BITFIELDS): Added.
2711 (ENUM_BITFIELDS): Added.
2712 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
2713 (SHORT_ENUM_BUG): Deleted.
2714 * tree.h (tree_common): Members `code', `mode', `built_in_class',
2716 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
2717 (CODE_FIELD_BUG): Likewise.
2718 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
2720 * config/m68k/x-ccur (X_CFLAGS): Likewise.
2722 2000-04-18 Mark Mitchell <mark@codesourcery.com>
2724 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
2727 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
2729 * cppexp.c (lex): Don't assume tokens are NUL terminated.
2730 * cpplib.c (do_include, do_import, do_include_next,
2731 read_line_number, detect_if_not_defined): Likewise.
2732 * cpphash.c (collect_expansion): Likewise.
2733 (special_symbol, _cpp_macroexpand): Check return from
2735 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
2736 macros. Delete all uses.
2738 * gcc.dg/cpp-mi.c: Add two more test cases.
2739 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
2741 2000-04-17 Richard Henderson <rth@cygnus.com>
2743 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
2744 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
2746 2000-04-17 Mark Mitchell <mark@codesourcery.com>
2748 * function.c (expand_function_start): Use hard_function_value to
2749 compute the RTL to use for DECL_RESULT.
2751 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
2753 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
2754 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
2755 x86_memory_mismatch_stall): New global variables.
2756 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
2757 alloved; fix load penalties for Athlon.
2758 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
2759 x86_memory_mismatch_stall): Declare.
2760 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
2761 TARGET_MEMORY_MISMATCH_STALL): New.
2762 * i386.md (athlon scheduling parameters): Fix latencies according to
2763 Athlon Optimization Manual.
2764 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
2766 (fsqrt instruction patterns): Set athlon_decode to direct.
2767 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
2768 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
2769 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
2770 and TARGET_PARTIAL_REGISTER_STALL machines.
2771 (pushdf_nointeger): New pattern.
2772 (pushdf_integer): Rename from pushdf.
2773 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
2774 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
2776 2000-04-17 Richard Henderson <rth@cygnus.com>
2778 * loop.c (canonicalize_condition): Add WANT_REG argument.
2779 Stop the search if we match it.
2780 * expr.h (canonicalize_condition): Update decl.
2781 * predict.c (expected_value_to_br_prob): Use it. Track last
2782 expected value note.
2783 (find_expected_value): Remove.
2785 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
2787 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
2789 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
2790 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
2792 * configure.in: Call AC_FUNC_MMAP_FILE.
2793 * configure: Regenerate.
2794 * config.in: Regenerate.
2796 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
2797 * fixinc/fixincl.c: Likewise.
2799 2000-04-17 Richard Henderson <rth@cygnus.com>
2801 * builtins.c (expand_builtin_expect): New.
2802 (expand_builtin): Call it.
2803 * builtins.def (BUILT_IN_EXPECT): New.
2804 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
2805 * extend.texi: Document it.
2807 * predict.c (expected_value_to_br_prob): New.
2808 (find_expected_value): New.
2809 * basic-block.h (expected_value_to_br_prob): Declare.
2810 * toplev.c (rest_of_compilation): Invoke it.
2812 * rtl.h (NOTE_EXPECTED_VALUE): New.
2813 (NOTE_INSN_EXPECTED_VALUE): New.
2814 * rtl.c (note_insn_name): Update.
2815 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
2816 cases; handle NOTE_INSN_EXPECTED_VALUE.
2818 2000-04-17 Jakub Jelinek <jakub@redhat.com>
2820 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
2821 leaf sibcall delay slot if flag_pic.
2822 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
2824 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2826 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
2828 * fixproto: If fix-header fails, exit with an error.
2830 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
2832 * cse.c (struct check_depdendence_data): New.
2833 (check_dependence): New function.
2834 (invalidate): Use check_depdenence.
2836 2000-04-16 Mark Mitchell <mark@codesourcery.com>
2838 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
2839 UNITS_PER_WORD is unsigned.
2841 * tree.h (struct tree_common): Remove misleading comment.
2843 2000-04-16 Dave Pitts <dpitts@cozx.com>
2845 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
2846 message in quotes. Otherwise, IBM's make program treats the '#' as the
2847 start of a comment and ignores the remainder of the line.
2849 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
2851 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
2852 * cexp.y (initialize_random_junk): Likewise.
2853 * cppfiles.c (find_include_file): Cast alloca return value.
2854 * cppinit.c (initialize_standard_includes): Likewise.
2855 * cpplib.c (cpp_define, cpp_undef): Likewise.
2856 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
2857 * final.c (output_asm_insn): Allow for holes in EBCDIC.
2858 * fold-const.c (CHARMASK): New.
2859 (real_hex_to_f): Use it.
2860 * real.c (CHARMASK): New.
2861 (etoasc, asctoeg): Use it.
2862 (asctoeg): EBCDIC lower case characters preceed upper case.
2864 * i370.c (mvs_add_label): Change spacing for coding conventions.
2865 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
2866 outputing case vectors.
2867 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
2868 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
2869 since vector in in the data CSECT.
2870 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
2871 * i370.md (Many patterns): Put the length in the XL directives.
2872 (movdi): Put back STM and MVC in definition.
2873 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
2874 pattern using the TCA.
2875 * oe.h (CPP_SPEC): Added to allow trigraphs.
2876 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
2877 not support the "long long" type.
2879 2000-04-16 Mark Mitchell <mark@codesourcery.com>
2881 * config/mips/mips-protos.h (mips_legitimate_address_p): New
2883 (mips_reg_mode_ok_for_base_p): Likewise.
2884 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
2885 (REG_OK_FOR_INDEX_P): Define unconditionally.
2886 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
2887 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
2888 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
2889 that GET_MODE_SIZE is unsigned.
2890 (mips_reg_mode_ok_for_base_p): Define.
2891 (mips_legitimate_address_p): Likewise. Adjust now
2892 that GET_MODE_SIZE is unsigned.
2893 (block_move_loop): Make the number of bytes unsigned.
2894 (expand_block_move): Likewise.
2895 (function_arg): Make the loop counter unsigned to match the
2898 2000-04-16 Richard Henderson <rth@cygnus.com>
2900 * rtl.h (enum insn_note): New enumeration. Subsume
2901 NOTE_INSN_DELETED and friends.
2902 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
2903 * rtl.c (note_insn_name): Tweak string order.
2905 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
2907 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
2910 * cpplex.c (output_line_command): Remove debugging prints.
2911 (cpp_output_tokens): Don't write out a zero-length buffer or
2912 try to see if it has a newline in it.
2913 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
2914 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
2915 the end of the loop. Use memmove. Don't read past the end of
2916 the buffer. Remove trailing newlines from error messages.
2918 2004-04-16 Neil Booth <NeilB@earthling.net>
2920 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
2921 * cpplib.c: Add new syntax flags to directive table, and
2924 2000-04-15 Ulrich Drepper <drepper@redhat.com>
2926 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
2929 2000-04-15 David Edelsohn <edelsohn@gnu.org>
2931 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
2932 * haifa-sched.c: Update -fsched-verbose comments to use "=".
2934 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2936 * Makefile.in (ggc-page.o): Now includes toplev.h.
2937 * ggc-page.c (toplev.h): Now included.
2938 (gc_time): Remove declaration.
2939 (ggc_collect): TIME now long.
2940 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
2942 * toplev.h (gc_time, parse_time, gc_time): New declarations.
2944 * toplev.c: Make *_time variable long to reduce chance of overflow.
2945 (TIMEVAR): Likewise for `otime'.
2946 (print_time): Arg is now long; compute percentage in FP and round.
2947 * toplev.h (print_time): Arg is long.
2949 * tree.c: Minor whitespace changes.
2951 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
2952 * configure: Rebuilt.
2953 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
2954 (__fixunsxfDI): Renamed from __fixunsxfdi.
2955 (__fixunsdfDI): Renamed from __fixunsdfdi.
2956 (__fixunssfDI): Renamed from __fixunssfdi.
2957 (__floatdisf): Use proper type in REP_BIT macro.
2958 (__fixunsxfSI): Renamed from __fixunsxfsi.
2959 (__fixunsdfSI): Renamed from __fixunsdfsi.
2960 (__fixunssfSI): Renamed from __fixunssfsi.
2961 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
2962 Change location of macros and upper-case some names as above.
2963 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
2964 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
2966 * varasm.c (assemble_variable): Add cast to remove warning.
2967 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
2969 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
2970 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
2971 region number to -1.
2973 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
2975 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
2976 call unshare_all_rtl.
2978 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
2980 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
2982 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
2983 Use .s1 not .s0 for all FP instructions.
2985 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
2987 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
2989 (safe_fwrite, output_line_command): New static functions.
2990 (cpp_expand_to_buffer): Now private to cpplib.
2991 (cpp_scan_buffer): Take a printer.
2993 * cpphash.h: Update prototypes.
2994 * cpplib.h: Update prototypes.
2996 (cpp_buffer): Remove last_nominal_fname.
2997 (cpp_reader): Remove lineno.
2999 * cppmain.c: Use a cpp_printer.
3000 * fix-header.c: No need to inhibit line commands. Call
3001 cpp_start_read with no printer.
3003 * cpperror.c (cpp_notice_from_errno): Provide default name.
3004 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
3005 (find_include_file, cpp_read_file): Use make_IHASH.
3006 (file_cleanup): Set control_macro and clear
3007 input_stack_listing_current here.
3008 (_cpp_execute_include): Don't output entering-file marker.
3009 * cpphash.c (special_symbol): Look for the line number in the
3010 buffer, not the reader.
3011 (_cpp_macroexpand): No need to disable line commands.
3012 (_cpp_dump_definition): No need to generate line commands.
3013 (dump_hash_helper): Remove excess newline from output.
3014 * cppinit.c (dump_special_to_buffer): No need to generate line
3016 (cpp_printer_init): New.
3017 (cpp_start_read): Take a printer, and start it up if it's not
3018 NULL. No need to generate line commands.
3019 (cpp_finish): Expect no buffers stacked at all. Take a
3020 printer argument, and flush the output buffer if it's not
3022 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
3023 Don't put two hashes at the beginning of an assertion.
3024 (cpp_get_token): Don't increment pfile->lineno or emit line
3025 commands here. Return EOF if there's no buffer when we get
3027 * cpplib.c (do_define, skip_if_group):
3028 No need to disable line commands.
3029 (_cpp_output_line_command): Delete function.
3030 (do_line): Don't emit line commands here, but set things up so
3031 they will be emitted if necessary. Use _cpp_fake_ihash to
3032 make unique nominal_fnames if necessary.
3033 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
3034 with 0 for column, not -1.
3035 (_cpp_handle_eof): Don't set the control macro here. Don't
3036 clear input_stack_listing_current here. Don't emit line
3039 2000-04-14 Geoff Keating <geoffk@cygnus.com>
3041 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
3042 always, use the default SVR4 start address.
3044 * config/rs6000/linux.h (LINK_SPEC): Don't define.
3045 (LINK_SHLIB_SPEC): Define.
3046 (LINK_START_DEFAULT_SPEC): Define.
3047 (LINK_OS_DEFAULT_SPEC): Define.
3049 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
3051 * config/rs6000/eabi.asm (__eabi): Call __init rather than
3052 __do_global_ctors to handle constructors.
3053 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
3054 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
3055 (STARTFILE_MVME_SPEC): Likewise.
3056 (STARTFILE_SIM_SPEC): Likewise.
3057 (ENDFILE_ADS_SPEC): Use crtend.
3058 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
3059 (ENDFILE_MVME_SPEC): Likewise.
3060 (ENDFILE_SIM_SPEC): Likewise.
3061 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
3062 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
3063 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
3064 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
3065 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
3066 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
3067 (CRTSTUFF_T_CFLAGS_S): Define.
3068 * config/rs6000/eabi-ctors.c: Delete.
3070 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
3073 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
3077 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
3079 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
3080 plus mask size is smaller or equal to the mode size.
3082 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3084 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
3087 * expr.c (reload.h): Now included.
3088 (emit_block_move): Set volatile_ok when checking for movstr.
3089 (emit_move_1): Check for replacements in addresses in multi-word case.
3090 * Makefile.in (expr.o): Now includes reload.h.
3092 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
3093 Never have a LIBCALL end a basic block.
3094 (find_basic_blocks_1): Likewise.
3095 Reorganize CALL_INSN cases.
3097 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
3099 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
3101 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
3102 completers from mov.ret instruction.
3104 2000-04-14 Richard Henderson <rth@cygnus.com>
3106 * fold-const.c (extract_muldiv): Don't distribute and widen
3107 multiply across plus for non-sizetype unsigned types.
3109 2000-04-14 Richard Henderson <rth@cygnus.com>
3111 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
3112 If the original source is dead in the incr insn, it's dead now.
3114 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3116 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
3117 see if DECL_BIT_FIELD needs to still be set.
3119 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
3121 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
3122 print_int_cst_octal with something that's not an INTEGER_CST.
3124 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
3125 and not a SUBREG to a FLOAT rtl.
3127 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
3129 * emit-rtl.c (try_split): Avoid infinite loop if the split
3130 results in a sequence that contains the original insn.
3132 2000-04-13 Andreas Jaeger <aj@suse.de>
3134 * config/mips/mips.c (expand_block_move): Pass alignment
3135 argument to move_by_pieces in bits, not bytes.
3137 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
3138 __pic__ for little endian.
3140 2000-04-13 Andreas Jaeger <aj@suse.de>
3142 * config/i386/i386-protos.h: Add prototype for
3143 uno_comparison_operator.
3145 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
3147 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
3148 * calls.c (ECF_PURE): New flag.
3149 (emit_call_1): Handle ECF_PURE calls.
3150 (initialize_argument_information): Unset ECF_PURE flag too.
3151 (precompute_arguments): Precompute for ECF_PURE too.
3152 (expand_call): Handle ECF_PURE calls too.
3153 (emit_library_call_value_1): Rename no_queue argument to fn_type,
3154 accept value of 2 as pure function.
3155 (emit_library_call_value, emit_library_call): Rename no_queue argument
3157 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
3159 * tree.h (DECL_IS_PURE): New macro.
3160 (struct tree_decl): Add pure_flag.
3161 * c-common.c (enum attrs): Add attribute "pure".
3162 (init_attributes): Initialize attribute "pure"
3163 (decl_attributes): Handle attribute "pure".
3164 * extend.texi (Attribute "pure"): Document.
3165 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
3167 (flags_from_decl_or_type): Support attribute "pure".
3169 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
3171 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
3172 the token except for numbers and identifiers.
3174 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
3176 * i386.c (ix86_expand_binary_operator,
3177 ix86_expand_unary_operator): Check no_new_pseudos
3178 instead of reload_in_progress and reload_completed.
3179 (ix86_split_ashldi, ix86_split_ashrdi,
3180 ix86_split_lshrdi): Check no_new_pseudos instead
3181 of reload_completed.
3183 2000-04-12 Jeffrey A Law (law@cygnus.com)
3185 * function.c (purge_addressof): Unshare any shared rtl created by
3186 purge_addressof and its children.
3188 2000-04-12 Mark Mitchell <mark@codesourcery.com>
3190 * function.c (aggregate_value_p): VOID_TYPE nodes are never
3193 2000-04-05 Andreas Jaeger <aj@suse.de>
3195 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
3196 not compiling PIC code, add flags for mabi=64.
3197 (SUBTARGET_CPP_SIZE_SPEC): New.
3198 (SUBTARGET_CPP_SPEC): New.
3199 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
3200 for MIPS/Linux and lots of code needs these defines.
3202 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
3204 * reorg.c (fill_slots_from_thread): Check side_effects_p when
3205 trying the "opposite arithmetic" approach.
3207 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3209 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
3210 (struct sh_args): Add new field force_mem.
3211 (INIT_CUMULATIVE_ARGS): Initialize it.
3212 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
3214 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
3216 * calls.c (expand_call): Do not reverse args in "equal from" field.
3217 (emit_library_call_value_1): Emit_libcall_block for const and pure
3220 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3222 * reload1.c (reload_combine): Don't enable optimization for fixed
3223 registers when encountering a BARRIER.
3225 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
3227 * builtins.c (expand_builtin_memcmp): Do expansion even with
3228 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
3230 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
3231 stack is propertly aligned; add sanity checking for aligned
3233 (expand_library_call_value_1): Add sanity checking for aligned
3236 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
3238 * calls.c (emit_library_call_value_1): Change 3rd arg to
3239 locate_and_pad_parm to disregard the setting of partial.
3241 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3243 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
3245 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
3246 CALL_INSN from the normal case.
3248 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
3250 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
3251 New global variables.
3252 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
3254 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
3256 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
3257 TARGET_ADD_ESP_8): New macros.
3258 * i386.md: Add peep2s to convert esp adjustments to push and pop
3260 (pushsi_prologue, popsi_epilogue): New patterns.
3262 2000-04-12 Jakub Jelinek <jakub@redhat.com>
3264 * real.c (toe64): Remove stale #endif from the last change.
3266 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
3268 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
3269 * real.c (toe64): Revert previous change.
3271 2000-04-12 Jakub Jelinek <jakub@redhat.com>
3273 * objc/objc-act.c: Include ggc.h.
3274 (objc_tree_index, objc_global_trees): Convert most of the
3275 static tree variables into a static array with previous names
3277 (objc_ellipsis_node): New variable.
3278 (lang_init): Call objc_act_parse_init and c_parse_init.
3279 Create objc_ellipsis_node.
3280 (build_selector_translation_table): Use objc_ellipsis_node instead
3282 (hack_method_prototype): Likewise.
3283 (get_arg_type_list): Likewise.
3284 (start_method_def): Likewise.
3285 (continue_method_def): Likewise.
3286 (gen_method_decl): Likewise.
3287 (ggc_mark_imp_list): New function.
3288 (ggc_mark_hash_table): New function.
3289 (objc_act_parse_init): New function.
3290 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
3291 * c-parse.in (c_parse_init): For objc add roots of objc specific
3292 local tree variables.
3293 * objc/objc-parse.y: Rebuilt.
3294 * objc/objc-parse.c: Rebuilt.
3295 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
3297 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
3299 * cse.c (delete_trivially_dead_insns): Also delete insns
3300 that copy a register to itself where the destination is
3303 2000-04-11 Richard Henderson <rth@cygnus.com>
3305 * flow.c (struct propagate_block_info): Add new_dead, new_live.
3306 (propagate_block): Initialize them. Use them in parallel instead
3307 of one tmp variable, ie revert much of the 0408 and 0407 functional
3308 changes, but keep the structural changes.
3309 (mark_set_regs): Take new_dead from propagate_block_info instead.
3310 (mark_set_1, mark_set_reg): Likewise.
3311 (mark_used_regs): Likewise with new_live.
3312 (mark_used_reg): Likewise. Revert 0408 change.
3314 2000-04-11 Nick Clifton <nickc@cygnus.com>
3316 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
3318 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
3320 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3322 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
3323 const section to output a CONSTRUCTOR based on the same conditions
3326 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
3328 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
3329 * pa/pa-protos.h (output_call): Add additional argument indicating
3330 if the call is a sibling/tail call.
3331 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
3332 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
3333 (function_arg, function_arg_partial_nregs): Likewise
3334 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
3335 (emit_move_sequence): Zero extend certain constants as needed
3337 (compute_zdepdi_operands, output_64bit_and): New functions.
3338 (output_64bit_ior, function_arg): Likewise.
3339 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
3340 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
3341 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
3342 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
3343 (output_bvb): Likewise.
3344 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
3345 (output_call): New argument 'sibcall'. Generate sibcall sequences
3347 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
3348 (ouput_arg_descriptor): Do not emit argument descriptors for
3350 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
3352 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
3353 (FUNCTION_OK_FOR_SIBALL): Define.
3354 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
3355 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
3356 (CPP_SPEC): Use new spec infrastructure.
3357 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
3358 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
3359 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
3360 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
3361 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
3362 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
3363 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
3364 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
3365 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
3366 (FUNCTION_ARG); Call out to C code.
3367 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
3368 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
3369 (MIN_UNITS_PER_WORD): Likewise.
3370 * pa/pa.md (cmpdi): New expander.
3371 (scc patterns, movstrsi): Not available for TARGET_64BIT.
3372 (64bit conditional arithmetic): New patterns.
3373 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
3374 (movsicc): Not available if modes on all the operands to not match.
3375 (movdicc): New expander and associated patterns.
3376 (64bit branches): New patterns.
3377 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
3378 (pre_ldd, post_std): New patterns.
3379 (64bit addil, load low part): New patterns.
3380 (special movsf constant): Not available for TARGET_64BIT.
3381 (movsf, movdf expanders): Force constants into memory.
3382 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
3383 (64bit movdf/movdi patterns): New patterns.
3384 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
3386 (extendqidi2, extendhidi2, extendsidi2): Similarly.
3387 (adddi3 expander): Allow "arith_operand" for second input.
3388 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
3389 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
3390 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
3391 (muldi3): New expander for TARGET_64BIT.
3392 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
3394 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
3395 patterns for TARGET_64BIT.
3396 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
3397 patterns for TARGET_64BIT.
3398 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
3399 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
3400 (sibcall_epilogue): New expander.
3401 (casesi): Tweak for TARGET_64BIT.
3402 (call expanders): Set & use the outgoing argument pointer. Use the
3403 64bit call patterns as needed. Add additional arg to output_call.
3404 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
3405 (sibcall, sibcall_internal_symref): New expanders.
3406 (sibcall_value, sibcall_value_internal_symref
3407 (interspace_jump): Turn into an expander + matching patterns.
3408 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
3409 * pa/pa64-regs.h: Eliminate trigraph sequences.
3410 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
3412 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
3414 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
3415 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
3416 cpp_token with cpp_ttype everywhere.
3417 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
3418 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
3419 CPP_BUF_COL. Line and column numbers are unsigned int, not
3421 * cpplex.c (cpp_buf_line_and_col): Delete.
3422 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
3423 'long lineno' to 'unsigned int lineno'.
3424 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
3426 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3428 * extend.texi: ISO C99 is not a draft anymore.
3429 * invoke.texi: ISO C++ is not a draft anymore.
3430 * cpp.texi: __cplusplus is required by the ISO standard.
3432 * extend.texi (-fthis-is-variable): Undocument.
3433 * flags.h (warn_template_debugging): Remove declaration.
3434 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
3435 -Wenum-clash, -Wtemplate-debugging): Undocument.
3437 2000-04-10 Nick Clifton <nickc@cygnus.com>
3439 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
3441 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
3443 (ARM_SIGN_EXTEND): Use HOST_UINT.
3444 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
3445 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
3446 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
3447 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
3449 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
3450 (arm_gen_constant): Use HOST_UINT.
3451 (arm_canonicalize_constant): Use HOST_UINT.
3452 (arm_reload_in_hi): Use HOST_UINT.
3453 (arm_reload_out_hi): Use HOST_UINT.
3454 (output_multi_immediate): Use HOST_UINT.
3455 (int_log2): Use HOST_UINT.
3456 (arm_poke_function_name): Use HOST_UINT.
3457 (arm_output_epilogue): Use arm_volatile_func().
3458 (output_thumb_prologue): Use arm_strip_name_encoding().
3460 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3462 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
3463 of sequence point problems.
3465 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
3467 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
3469 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
3471 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3473 * sbitmap.h: Whitespace changes and use upper-case macro args.
3474 (struct simple_bitmap_def): All sizes now unsigned.
3475 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
3476 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
3477 (sbitmap_vector_alloc): Parms and local vars now unsigned.
3478 (sbitmap_zero): Cast bzero arg to PTR.
3479 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
3480 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
3481 loop to make structure clearer.
3482 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
3483 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
3484 (sbitmap_a_and_b_or_c): Likewise.
3485 (sbitmap_intersection_of_succs): Minor cleanups.
3486 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
3487 (sbitmap_union_of_preds): Likewise.
3488 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
3489 (debug_sbitmap): New function.
3491 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
3492 * c-typeck.c (convert_for_assignment): Likewise.
3494 * expmed.c (init_expmed): Don't free objects we make.
3495 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
3497 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
3498 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
3500 * gcse.c (expr_hash_table_size): Now unsigned.
3501 (compute_ae_gen): Local variable `i' now unsigned.
3502 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
3503 (compute_transout, hoist_code): Likewise.
3504 (compute_local_properties): Likewise, also hash_table_size.
3505 (alloc_expr_hash_table): N_INSNS now unsigned.
3506 (delete_null_pointer_checks): Mark arg F as unused.
3508 * regrename.c: Minor cleanups, including chang some variables
3511 2000-04-10 Neil Booth <NeilB@earthling.net>
3513 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
3515 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
3517 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3519 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
3520 __classof__, and __headof__ from the list of gnu keywords.
3521 (-ansi): Remove -foperator-names from list of implied options.
3522 Do not call it ANSI C++.
3523 (-foperator-names): Document as -fno-operator-names.
3525 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
3527 * cpphash.c (timestamp): Delete.
3528 (del_HASHNODE): If type is T_MCONST, free value.cpval.
3529 (special_symbol): Remove unnecessary braces. Remove
3530 T_VERSION. Treat T_STDC like T_CONST unless
3531 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
3532 when one is encountered, then convert them into T_MCONST
3534 * cppinit.c (builtin_array): version_string is T_MCONST.
3535 __STDC__ has a "1" in its cpval. Don't have a terminator
3536 entry. Clean up which entries are dumped.
3537 (initialize_builtins): Only __STDC__ gets the special
3538 -traditional treatment. Count the length of builtin_array.
3539 Render version_string here.
3540 * cpphash.h: Remove T_VERSION. Add T_MCONST.
3541 * cpplib.h (struct cpp_reader): Remove timebuf.
3543 2000-04-09 Richard Henderson <rth@cygnus.com>
3545 * genrecog.c (pred): Update comparison_operator for the unordered
3548 * config/i386/i386.c (no_comparison_operator): Disallow unordered
3550 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
3551 (uno_comparison_operator): New.
3552 (put_condition_code): Handle UNORDERED/ORDERED.
3553 (unsigned_comparison): Likewise.
3554 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
3555 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
3556 (ix86_expand_fp_compare): Use them. Take scratch as argument,
3557 update all callers. Handle all 8 unordered operators.
3558 (ix86_expand_setcc): Lose the unordered argument, update all callers.
3559 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
3560 * config/i386/i386.h (PREDICATE_CODES): Update.
3561 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
3562 (ix86_expand_branch, ix86_expand_setcc): Update.
3563 * config/i386/i386.md (sunordered, sordered): New.
3564 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
3565 (bunordered, bordered): New.
3566 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
3567 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
3568 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
3570 2000-04-09 Philip Blundell <philb@gnu.org>
3572 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
3574 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
3576 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
3577 fix_truncxfhi2): New patterns.
3578 * i386.c (output_fix_trunc): Handle converting to HImode.
3580 2000-04-08 Alex Samuel <samuel@codesourcery.com>
3582 * ssa.c (convert_to_ssa): Eliminate dead code when calling
3584 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
3585 (for_each_successor_phi): Change parameter to basic_block.
3586 (coalesce_regs_in_successor_phi_nodes): Likewise.
3587 (coalesce_regs_in_copies): Likewise.
3588 (compute_coalesced_reg_partition): Use basic_block instead of index.
3589 * rtl.h (convert_to_ssa): Delete.
3590 (convert_from_ssa): Likewise.
3591 (successor_phi_fn): Likewise.
3592 (for_each_successor_phi): Likewise.
3593 (in_ssa_form): Likewise.
3594 * basic-block.h (convert_to_ssa): Moved from rtl.h.
3595 (convert_from_ssa): Likewise.
3596 (successor_phi_fn): Likewise.
3597 (in_ssa_form): Likewise.
3598 (for_each_successor_phi): Likewise. Change parameter to basic_block.
3599 * flow.c (calculate_global_regs_live): Pass a basic_block to
3600 for_each_successor_phi.
3602 2000-04-08 Richard Henderson <rth@cygnus.com>
3604 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
3605 was modified in the current insn.
3607 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
3609 * arm/thumb.md: Delete.
3610 * arm/thumb-protos.h: Delete.
3612 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
3614 Merge changes from merged-arm-thumb-backend-branch onto trunk.
3616 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
3618 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
3621 * arm.md (nop): Use the standard RTL expression. Don't code as a
3623 (*arm_nop, *thumb_nop): Delete.
3625 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
3626 constants. Use casts instead.
3627 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
3628 output_multi_immediate, arm_poke_function_name): Likewise.
3629 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
3630 MASK_RETURN_ADDDR): Likewise.
3632 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
3634 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
3637 * arm.md (eh_epilogue): New function.
3638 * arm.h (struct machine_function): Move to here ...
3639 * arm.c: ... from here.
3640 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
3641 (thumb_exit): Extra parameter eh_ofs. All callers changed.
3642 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
3644 2000-03-30 Nick Clifton <nickc@cygnus.com>
3646 * config/arm/semi.h (ASM_SPEC): Restore definition.
3647 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
3649 * config/arm/elf.h (ASM_SPEC): Restore definition.
3650 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
3652 * config/arm/arm.h (ASM_SPEC): Remove definition.
3653 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
3655 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3657 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
3659 2000-03-24 Nick Clifton <nickc@cygnus.com>
3661 Various formating tidyups, elimination of compile time
3662 warnings and synchronisation with internal sources:
3664 * config/arm/arm-protos.h (assemble_align): Add prototype.
3665 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
3666 (gen_comapre_reg): Rename to arm_gen_compare_reg.
3667 (arm_return_addr_rtx): Rename to arm_return_addr.
3669 * config/arm/arm.c: Include except.h.
3670 Define shorter typenames for strict minipool_node and struct
3672 (arm_return_in_memory): For WinCE return all structures <= 32 bits
3674 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
3675 (gen_comapre_reg): Rename to arm_gen_compare_reg.
3677 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3679 (ASM_SPEC): Define if not already defined.
3680 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
3682 * config/arm/arm.md: Rename references to gen_rotated_half_load to
3683 arm_gen_rotated_half_load, and references to gen_comapre_reg to
3684 arm_gen_compare_reg.
3685 (indirect_jump): Only accept register operands.
3686 (load_indirect_jump): Keep this pattern since combine can generate
3689 * config/arm/coff.h: Include aout.h.
3690 (MULTILIB_DEFAULTS): Only define if not already defined.
3692 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
3693 into arm.h (so that COFF ports can support thumb based aliases).
3694 (ASM_SPEC): Move definition into arm.h
3696 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
3697 redundant apcs spec.
3698 (ASM_SPEC): Move definition to arm.h
3700 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
3702 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
3703 for entries in the .bss section
3705 2000-03-23 Nick Clifton <nickc@cygnus.com>
3707 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
3708 to thumb_far_jump_used_p.
3710 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
3711 single integer parameter.
3713 * config/arm/arm.c (struct machine_function): Add two new
3714 fields, 'far_jump_used' and 'arg_pointer_live'.
3715 (thumb_far_jump_used_p): Once the decision has been made that
3716 far jumps might be used, always return true.
3717 If being called from the initial elimination offset macro then
3718 do not bother to perform the test if the arg pointer is not
3720 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
3721 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
3723 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
3725 * arm.c (output_return_instruction): Handle more cases where we can
3726 return from a function with an ldr instruction.
3727 (arm_output_epilogue): Likewise.
3729 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
3730 if we need to push a large stack frame and there are no callee-saved
3733 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
3734 in ARM code if the frame pointer has been eliminated.
3736 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
3737 unspec_volatile arguments to avoid duplicates.
3738 (consttable_1, consttable_2): Fixes for big-endian mode.
3740 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
3743 Re-write constant pool code.
3744 * arm.c (minipool_node, minipool_fix): New types.
3745 (minifix): Delete type.
3746 (arm_add_minipool_constant): Delete.
3747 (arm_compute_minipool_offsets, arm_find_barrier,
3748 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
3749 (get_jump_table_size): Now returns HOST_WIDE_INT.
3750 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
3752 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
3753 (assign_minipool_offsets, arm_print_value): Likewise.
3754 (dump_minipool): Rewrite.
3755 (arm_barrier_cost): New function.
3756 (create_fix_barrier): New function.
3757 (push_minipool_barrier): New function.
3758 (push_minipool_fix): Record additional information about the fixup
3760 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
3761 check the mode of what needs fixing.
3762 (arm_reorg): Rewrite.
3764 2000-03-08 Nick Clifton <nickc@cygnus.com>
3766 * config/arm/arm.md (indirect_jump): Force constant addresses into
3769 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
3771 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
3773 2000-02-24 Nick Clifton <nickc@cygnus.com>
3775 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
3776 adjust is word aligned.
3777 (thumb_expand_epilogue): Make sure that stack adjust is word
3780 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
3782 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
3784 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
3785 pointer relative addresses.
3787 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
3789 * arm.c (find_barrier): Find the last barrier within the allowed
3792 2000-02-09 Nick Clifton <nickc@cygnus.com>
3794 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
3796 2000-02-09 Nick Clifton <nickc@cygnus.com>
3798 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
3799 ARM_FUNCTION_PROFILER.
3801 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
3802 ARM_FUNCTION_PROFILER.
3804 * config/arm/linux-oldld.h: Imported from mainline sources.
3806 2000-02-07 Nick Clifton <nickc@cygnus.com>
3808 * config/arm/lib1funcs.asm: Merge in thumb functions from
3811 * config/arm/lib1thumb.asm: Delete.
3813 2000-02-04 Nick Clifton <nickc@cygnus.com>
3815 * config/arm/arm.c: Sychronised with current Red hat local
3817 * config/arm/arm.h: Ditto.
3818 * config/arm/arm-protos.h: Ditto.
3820 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
3822 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
3824 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
3827 2000-02-02 Nick Clifton <nickc@cygnus.com>
3829 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
3831 * config/arm/arm.md (epilogue): Fix rtl checking abort because
3832 (return) was emited using an emit_insn() call.
3834 2000-01-31 Nick Clifton <nickc@cygnus.com>
3836 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
3838 (thumb_exit): Move frame pointer back into hard frame pointer
3839 register if backtracing is being used.
3841 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
3843 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
3846 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
3848 * config/arm/arm.md (neg_pool_offset): Provide default for new
3850 (arm_movsi_insn): Add neg_pool_offset attribute.
3851 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
3852 rtx for the insn that starts the scan and an unsigned long for its
3853 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
3854 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
3855 instructions in *PINSERTED.
3856 (struct minipool_fixup): Add MIN_ADDRESS elt.
3857 (sort_fixups): Compute it.
3858 (arm_reorg): Changes to support inserting pools before the insn to be
3861 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
3863 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
3864 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
3865 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
3867 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
3869 * config/arm/semi.h (TARGET_VERSION): Do not define if already
3871 (TARGET_DEFAULT): Do not define if already defined.
3873 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
3875 * config/arm/arm.md (anddi3): Allow disjoint source operands.
3876 (iordi3): Allow disjoint source operands.
3877 (xordi3): Allow disjoint source operands.
3878 (negdi2): Permit construction for ARM and Thumb.
3879 (arm_negdi2): Renamed version of old negdi2 pattern.
3880 (thumb_negdi2): New pattern: Only permit non-overlapping
3881 source and destination.
3883 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
3885 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
3886 scratch low register so that it will not be deleted.
3888 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
3890 * config/arm/pe.h (ARM_PE): Define.
3892 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
3893 interfacearm attribute if this is a PE toolchain.
3894 (output_return_instruction): Do not emit anything if the function
3895 has the naked attribute set.
3896 (is_called_in_ARM_mode): If the function has the interfacearm
3897 attribute then return true.
3898 (thumb_expand_prologue): Do not generate a prologue for naked
3900 (thumb_expand_epilogue): Do not generate an epilogie for a naked
3902 (output_thumb_prologue): Do not bother if the function is naked.
3903 Strip PE encoding from function name before emitting.
3905 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
3907 * arm.md (pic_load_addr): Fix constraints.
3909 * arm.md (casesi_insn): Fix mis-applied patch.
3911 * arm.md ("core" function unit): Add rules for single- and
3913 (All TARGET_THUMB patterns): Add "type" attribute information
3915 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
3916 the following insn is a CALL.
3918 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
3920 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
3921 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
3922 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
3924 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
3926 * config/arm/linux-gas.h: oops - this file was missed out when the
3927 branch was created...
3929 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
3931 * thumb.c: Deleted. Move contents to ...
3933 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
3935 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
3938 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
3939 declare a prototype for asm_output_align();
3941 * arm.c (thumb_condition_code): Delete.
3942 (arm_print_operand): Always use arm_condition_code array.
3944 * arm.c (thumb_return_addr_rtx): Delete.
3945 (arm_save_machine_status, arm_restore_machine_status): Delete.
3946 (arm_init_machine_status, arm_mark_machine_status): New functions.
3947 (arm_init_expanders): Update accordingly.
3948 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
3949 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
3950 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
3952 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
3954 * configure.in : Fix arm-*-aout target to use new t-arm-aout
3956 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
3959 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
3961 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
3962 stack backtrace structure.
3964 * config/arm/arm-protos.h: Add prototypes for functions defined in
3967 * config/arm/arm.c (arm_override_options): Fix selection of
3968 attributes of default processor.
3970 * config/arm/coff.h: Delete needless #include.
3972 * config/arm/pe.c: Delete unused code.
3974 * config/arm/pe.h (CPP_DEFINES): Delete
3975 (SUBTARGET_CPP_SPEC): Define.
3976 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
3978 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
3980 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
3982 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
3984 (CAN_DEBUG_WITHOUT_FP): Define.
3985 (FIXED_REGISTERS): Make r11 call-saved.
3986 (CALL_USED_REGISTERS): Likewise.
3987 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
3988 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
3989 frame-pointer is required.
3990 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
3991 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
3992 if the target normally needs a stack frame in non-leaf functions.
3993 (use_return_insn): Correct logic for determining when a return
3994 instruction can be used.
3995 (output_return_instruction): Handle the frame-pointer register as
3996 a normal register when not TARGET_APCS_FRAME.
3997 (arm_output_prologue): Likewise.
3998 (arm_output_epilogue): Likewise.
3999 (output_func_epilogue): Likewise.
4000 (arm_expand_prologue): Likewise.
4001 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
4003 * arm.c (use_return_insn): No need to check floating point regs if
4005 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
4006 the code of value stored in the minipool array.
4007 (arm_add_minipool_constant): Likewise.
4009 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4011 * basic-block.h (conflict_graph_enum_fn): K&R fix.
4013 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4015 * tree.c (tree_expr_nonnegative_p): New function.
4017 * tree.h (tree_expr_nonnegative_p): Declare.
4019 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
4020 elide some sign_compare warnings.
4021 (build_conditional_expr): Likewise.
4023 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
4025 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
4027 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
4028 * i386.c (print_operand): Use the proper suffix for a 387 HImode
4029 operand. Abort if a 387 operand has an unsupported size.
4031 2000-04-08 Neil Booth <NeilB@earthling.net>
4033 * cppexp.c (parse_charconst): Null does not end character
4035 * cppinit.c (ISTABLE): Null character handled as whitespace.
4036 * cpplex.c (null_warning): new function.
4037 (skip_string): Emit warning if nulls encountered.
4038 (_cpp_skip_hspace): Emit warning if nulls encountered.
4039 (_cpp_lex_token): Emit warning if nulls encountered. Drop
4043 2000-04-07 Richard Henderson <rth@cygnus.com>
4045 * flow.c (loop_depth): Remove.
4046 (reg_next_use, cc0_live, mem_set_list): Replace with ...
4047 (struct propagate_block_info): New.
4048 (life_analysis): Don't allocate reg_next_use.
4049 (propagate_block_delete_insn): Break out of propagate_block.
4050 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
4051 (propagate_block_delete_libcall): Likewise.
4052 (propagate_block): Create a propagate_block_info struct to pass
4053 to subroutines. Allocate one not two temporary regsets. Don't
4054 clobber memory for const calls. Look for clobbers in
4055 CALL_INSN_FUNCTION_USAGE.
4056 (mark_set_regs): Recognize COND_EXEC.
4057 (mark_set_reg): Break out of mark_set_1.
4058 (mark_used_reg): Break out of mark_used_regs.
4059 (mark_used_regs): Recognize COND_EXEC.
4060 (insn_dead_p): Use propagate_block_info struct.
4061 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
4062 (find_auto_inc, try_pre_increment_1): Likewise.
4063 (print_rtl_with_bb): Dump regs live at end too.
4064 (count_reg_sets_1): Pass in loop_depth.
4065 (count_reg_sets, count_reg_references): Likewise.
4066 (recompute_reg_usage): Provide it.
4068 2000-04-07 Richard Henderson <rth@cygnus.com>
4070 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
4073 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
4075 * cpplib.c (do_elif): Skip the rest of the line if we're
4076 not going to bother evaluating it.
4077 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
4078 to avoid pointless calls to the lexer.
4080 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
4082 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
4084 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
4086 * calls.c (expand_call): emit_queue if we're trying a sibcall.
4088 2000-04-07 Jakub Jelinek <jakub@redhat.com>
4090 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
4092 2000-04-06 Geoff Keating <geoffk@cygnus.com>
4094 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
4095 crtend so they can be multilibbed.
4096 (STAGESTUFF): Remove s-crt and s-crtS.
4098 2000-04-07 Richard Henderson <rth@cygnus.com>
4100 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
4101 if we discover we need a pseudo and no_new_pseudos is true.
4102 * config/alpha/alpha.md (ne:DI insn): New.
4103 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
4105 2000-04-07 Richard Henderson <rth@cygnus.com>
4107 * rtl.def (COND_EXEC): New.
4108 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
4109 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
4111 * genconfig.c (have_cond_arith_flag): Remove.
4112 (have_cond_exec_flag): New.
4113 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
4114 (main): Print HAVE_conditional_execution.
4116 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
4117 (sched_analyze_insn, print_pattern): Likewise.
4118 * reload.c (find_equiv_reg): Likewise.
4119 * rtlanal.c (reg_referenced_p): Likewise.
4120 (note_stores, dead_or_set_regno_p): Likewise.
4121 (reg_overlap_mentioned_p): Rewrite to use a switch.
4123 * ggc.h (struct rtx_def): Forward declare.
4125 * print-rtl.c (debug_rtx_range): New.
4126 * rtl.h (debug_rtx_range): Declare.
4128 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
4130 * gcse.c (gcse_main): Don't rebuild the CFG here.
4131 (delete_null_pointer_checks): Likewise.
4132 * ssa.c (convert_to_ssa): Likewise.
4133 * toplev.c (rest_of_compilation): Do it here instead. Combine
4134 sequential calls to TIMEVAR. Consistently use `insns' instead of
4135 `get_insns()'. Always split insns after reload when optimizing.
4137 * basic-block.h (merge_blocks_nomove): Declare.
4138 (tidy_fallthru_edge): Declare.
4139 * flow.c (merge_blocks_nomove): Document as merging into previous
4140 blocks. Remove cruft from between blocks; remove all edges out of A.
4141 (tidy_fallthru_edge): Export.
4143 2000-04-06 Alex Samuel <samuel@codesourcery.com>
4145 * ssa.c (compute_conservative_reg_partition): Declare with
4147 * toplev.c (clean_dump_file): Remove previously-deleted function
4148 inadvertantly merged back in.
4149 * conflict.c (conflict_graph_add): Use a single call to
4150 htab_find_slot to look up and insert.
4152 2000-04-06 Richard Henderson <rth@cygnus.com>
4154 * genrecog.c (*): Rename _last_insn to last_insn.
4155 (make_insn_sequence): Set the position of the peephole2 C test
4156 to be at the last insn.
4158 2000-04-06 Richard Henderson <rth@cygnus.com>
4160 * flow.c (compute_flow_dominators): Free worklist.
4162 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
4164 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
4166 2000-04-06 Alex Samuel <samuel@codesourcery.com>
4168 * rtl.h (INSN_P): New macro.
4169 (successor_phi_fn): New typedef.
4170 (for_each_successor_phi): New prototype.
4171 (in_ssa_form): New variable.
4172 (PHI_NODE_P): Likewise.
4173 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
4174 phi nodes in successors.
4175 (mark_used_regs): Add PHI case.
4176 (set_phi_alternative_reg): New function.
4177 (life_analysis): Assert that dead code elimination is not selected
4179 * toplev.c (to_ssa_time): New variable.
4180 (from_ssa_time): Likewise.
4181 (compile_file): Zero to_ssa_time and from_ssa_time.
4182 Print time to convert to and from SSA.
4183 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
4184 (print_time): Compute percent fraction as integer.
4185 * ssa.c (PHI_NODE_P): Moved to rtl.h.
4186 (convert_to_ssa): Check if we're already in SSA.
4187 Don't eliminate dead code in life_analysis.
4188 Rerun flow and life analysis at bottom.
4189 (eliminate_phi): Use canonical regnos when adding nodes.
4190 (mark_reg_in_phi): New function.
4191 (mark_phi_and_copy_regs): Likewise.
4192 (convert_from_ssa): Rerun life analysis at top.
4193 Use coalesced partition.
4194 Check for removing a phi node at the end of the block.
4195 (compute_coalesced_reg_partition): New function.
4196 (coalesce_regs_in_copies): Likewise.
4197 (coalesce_reg_in_phi): Likewise.
4198 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
4199 (for_each_successor_phi): Likewise.
4200 (rename_context): New struct.
4201 (rename_block): Use a rename_context with rename_insn_1. When
4202 renaming sets of a subreg, emit a copy of the entire reg first.
4203 (rename_insn_1): Treat data as a rename_context *. Save current
4205 (rename_set_data): Add field set_insn.
4206 * Makefile.in (HASHTAB_H): Move up in file.
4207 (OBSTACK_H): New macro.
4208 (collect2.o): Use OBSTACK_H in dependencies.
4209 (sdbout.o): Likewise.
4210 (emit-rtl.o): Likewise.
4211 (simplify-rtx.o): Likewise.
4212 (fix-header.o): Likewise.
4213 (OBJS): Add conflict.o.
4214 (conflict.o): New rule.
4215 * basic-block.h: Include partition.h.
4216 (conflict_graph): New typedef.
4217 (conflict_graph_enum_fn): Likewise.
4218 (conflict_graph_new): New prototype.
4219 (conflict_graph_delete): Likewise.
4220 (conflict_graph_add): Likewise.
4221 (conflict_graph_conflict_p): Likewise.
4222 (conflict_graph_enum): Likewise.
4223 (conflict_graph_merge_regs): Likewise.
4224 (conflict_graph_print): Likewise.
4225 (conflict_graph_compute): Likewise.
4226 * conflict.c: New file.
4228 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
4230 * tlink.c (read_repo_files): Don't look for .rpo info for
4233 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4235 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
4237 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4239 * config/sh/lib1funcs.asm (___udivsi3_i4):
4240 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
4241 only depends on FMOVD_WORKS.
4243 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4245 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
4246 make double constant 8-byte aligned.
4248 2000-04-06 Jakub Jelinek <jakub@redhat.com>
4250 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
4251 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
4252 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
4253 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
4254 Accept storing GENERAL_REGS into offsetable memory.
4255 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
4256 building a TFmode constant other than 0.0L into GENERAL_REGS.
4258 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
4260 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
4262 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
4264 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
4265 (macro_cleanup): No need to cast pbuf->macro.
4266 (collect_expansion): Use _cpp_get_define_token. Goto done if
4267 it returns VSPACE. Remove check for trailing space after
4269 (_cpp_create_definition): Don't diddle flags here. Return
4271 (unsafe_chars): Handle c1 being EOF.
4272 (push_macro_expansion): Use unsafe_chars for both accidental-paste
4273 checks. Don't push the buffer till after we're done with
4275 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
4276 (PEEKN, FORWARD, GETC, PEEKC): Use them.
4277 (cpp_push_buffer): Don't set new->alimit. Set new->mark
4279 (_cpp_parse_assertion): Don't NUL terminate.
4280 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
4281 hspace before calling _cpp_parse_assertion. Remove all sets
4282 of only_seen_white. Treat '\f' as hspace. Don't do anything
4283 special with '\n' here.
4284 (maybe_macroexpand): Handle T_EMPTY hash entries without
4285 pushing a buffer at all.
4286 (cpp_get_token): Handle clearing only_seen_white here. Handle
4287 incrementing the line number here. Clear
4288 potential_control_macro as well as only_seen_white, if
4290 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
4291 (_cpp_get_define_token): New function, basically like
4292 _cpp_get_directive_token was but doesn't eat horizontal space.
4293 Don't do anything with only_seen_white here.
4294 (_cpp_get_directive_token): Just call _cpp_get_define_token
4295 repeatedly till it returns non-hspace.
4297 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
4298 (conditional_skip, skip_if_group): Return int.
4299 (DIRECTIVE_TABLE): Change origin of all conditional directives
4301 (TRAD_DIRECT_P): New macro.
4302 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
4303 an error for a bogus directive, unless -lang-asm. Use
4304 TRAD_DIRECT_P. Loop calling handler functions till one returns
4306 (get_macro_name): Don't diddle flags here.
4307 (do_define): Diddle flags here. Use _cpp_get_directive_token.
4308 Create T_EMPTY nodes for #define macro /* nothing */.
4309 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
4310 Use hp->name when calling pass_thru_directive.
4311 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
4312 Return the result of conditional_skip and/or skip_if_group.
4313 Don't call _cpp_output_line_command.
4314 (consider_directive_while_skipping): Use _cpp_get_directive_token.
4315 Issue -Wtraditional warnings as appropriate. Don't complain
4316 about unrecognized directives. If we are to stop skipping,
4317 return the number of the directive that ended the skip.
4318 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
4319 expansion and line commands while skipping. Return the result
4320 of consider_directive_while_skipping, if nonzero.
4321 (do_endif): Just set potential_control_macro here.
4322 (validate_else): Use _cpp_get_directive_token.
4323 (do_assert, do_unassert): Don't save pointers into the
4324 token_buffer across calls to the lexer. Use
4325 _cpp_get_directive_token.
4327 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
4328 pointer, not an offset. Replace 'data', which was a generic
4329 pointer, with 'macro', which points to a struct hashnode.
4330 (cpp_reader): Add 'potential_control_macro' pointer.
4331 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
4332 (CPP_BUF_GET, CPP_FORWARD): Delete.
4333 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
4334 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
4335 ACTIVE_MARK_P): Update.
4336 (_cpp_get_define_token): New internal function.
4337 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
4339 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
4341 * configure.in: And here.
4342 * configure: Regenerate.
4343 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
4344 --enable-libstdcxx-v3 is passed at configure time.
4345 * config.h.in: Regenerate.
4347 2000-04-05 Mark Mitchell <mark@codesourcery.com>
4349 * final.c (final): Use xcalloc to allocate line_note_exists.
4350 * function.c (free_after_compilation): Free the temp_slots.
4351 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
4352 (combine_temp_slot): Free temp_slots when they get combined.
4353 (purge_addressof): Fix typo in comment.
4354 * stmt.c (mark_goto_fixup): Mark the fixup itself.
4355 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
4357 * ggc.h: Include varray.h.
4358 (ggc_pending_trees): Declare.
4359 (ggc_mark_tree_children): Remove declaration.
4360 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
4361 * ggc-common.c (ggc_pending_trees): New variable.
4362 (ggc_mark_roots): Call ggc_mark_trees.
4363 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
4364 the ggc_pending_trees.
4365 * Makefile.in (GGC_H): New variable. Use it throughout in place
4368 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4370 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
4373 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4375 * sh.c (sh_insn_length_adjustment): New function.
4376 * sh-protos.h (sh_insn_length_adjustment): Declare.
4377 * sh.h (ADJUST_INSN_LENGTH): Use it.
4379 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
4381 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
4382 from the insn where REG_RETVAL is added.
4383 (emit_no_conflict_block): Ditto.
4385 * md.texi (Standard Names): Clarify when movX is needed.
4387 * combine.c (simplify_comparison) [MINUS]: Do not replace
4388 all (op (minus A B) 0) with (op A B).
4390 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
4391 J"orn Rennecke <amylaar@cygnus.co.uk>
4393 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
4394 (block_lump_real): Likewise.
4396 2000-04-05 Chris Demetriou <cgd@netbsd.org>
4398 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
4399 remaining non-zero debugging masks.
4401 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
4403 * basic-block.h (verify_flow_info): Declare.
4404 (flow_loop_outside_edge_p): Declare.
4405 * flow.c (verify_flow_info): Remove declaration.
4406 (clear_log_links, flow_loop_outside_edge_p): Likewise.
4408 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
4410 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
4413 2000-04-05 Jakub Jelinek <jakub@redhat.com>
4415 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
4416 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
4417 seqdi_zero_trunc+1): Allow splits only if registers are
4420 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
4422 * acconfig.h: Add HAVE_GAS_HIDDEN.
4423 * config.in: Regenerated.
4424 * configure.in: Add test for .hidden pseudo-op in gas.
4425 * configure: Regenerated.
4426 * crtstuff.c: Include auto-host.h.
4427 Emit additional .hidden pseudo-op for __dso_handle if the
4428 assembler knows about it.
4430 2000-04-04 Philippe De Muyter <phdm@macqel.be>
4432 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
4433 before freeing argnames.
4434 * cpplib.c (do_ifndef): Cast return value of xstrdup.
4436 2000-04-05 Michael Meissner <meissner@redhat.com>
4438 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
4439 Walton <jonboy@gordian.com> to make memory references with update
4440 work wtih -mregnames.
4442 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4444 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
4445 (regrename_optimize): Rename variables `def_uses' and
4446 `ext_basic_blocks' to avoid conflicts with similarly named
4447 typedefs in traditional C.
4449 * calls.c (initialize_argument_information): Fix typo in previous
4452 2000-04-04 Richard Henderson <rth@cygnus.com>
4454 * regrename.c (consider_available): Test fixed_regs not
4455 PIC_OFFSET_TABLE_REGNUM.
4457 2000-04-04 Geoff Keating <geoffk@cygnus.com>
4459 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
4461 (CRTSTUFF_T_CFLAGS_S): Delete definition.
4462 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
4463 (ENDFILE_LINUX_SPEC): Always use crtend.
4464 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
4465 (powerpc-*-linux-gnu): Likewise.
4466 * configure: Regenerate.
4468 * config/rs6000/eabi.h: Don't include sysv4.h.
4469 (MULTILIB_DEFAULTS): Don't define.
4470 * config/rs6000/eabiaix.h: Don't include eabi.h.
4471 * config/rs6000/eabile.h: Delete.
4472 * config/rs6000/eabilesim.h: Delete.
4473 * config/rs6000/eabisim.h: Don't include eabi.h.
4474 * config/rs6000/linux.h: Don't include sysv4.h.
4475 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
4476 (MULTILIB_DEFAULTS): Don't redefine.
4477 * config/rs6000/rtems.h: Don't include eabi.h.
4478 * config/rs6000/sol2.h: Don't include sysv4le.h.
4479 * config/rs6000/sysv4le.h: Don't include sysv4.h.
4480 * config/rs6000/t-ppc: Delete.
4481 * config/rs6000/t-ppcgas: Correct comment.
4482 * config/rs6000/t-ppcos: Correct comment. Don't build
4483 multilibs for -fPIC, rather use -fPIC -mstrict-align
4485 * config/rs6000/t-ppc: Delete.
4486 * config/rs6000/vxppc.h: Don't include sysv4.h.
4487 * config/rs6000/vxppcle.h: Delete.
4488 * configure.in: Use multiple header files for p2pc ELF targets
4489 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
4490 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
4491 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
4492 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
4493 always available for these platforms.
4495 2000-04-04 Richard Henderson <rth@cygnus.com>
4497 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
4499 2000-04-04 Stan Cox <scox@cygnus.com>
4501 * Makefile.in: Add rules for regrename.o
4502 * regrename.c: New file.
4503 * rtl.h (regrename_optimize): Add prototype.
4504 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
4505 (compile_file, decode_d_option): Add support for -frename-registers.
4506 (rest_of_compilation): Call regrename_optimize.
4507 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
4510 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4512 * Makefile (gccbug): New target.
4513 (doc): Depend on it.
4514 * gcc.texi (Bugs): Link subnodes.
4516 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
4517 Document severities, priorities, and classes in bug form.
4519 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
4521 * cpplex.c (trigraph_map, speccase): Combine into single
4523 (NORMAL, NONTRI): New macros.
4524 (_cpp_read_and_prescan): Change to use unified table. Use
4525 is_hspace to test for whitespace.
4527 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
4528 definition that doesn't provoke the "empty body in an
4529 if-statement" warning.
4531 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
4533 * builtins.c (expand_builtin_strlen): Force the source to
4534 be a memory address.
4536 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4538 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
4540 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
4542 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
4543 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
4544 (ECF_IS_CONST): Rename to ECF_CONST.
4545 (special_function_p): Make static, change interface.
4546 (flags_from_decl_or_type, try_to_integrate): Break out from ...
4547 (expand_call) ... here; convert number of variables to flags.
4548 (emit_library_call_vlue_1): Likewise.
4549 (setjmp_call_p): New function.
4550 (initialize_argument_information): Accepts flags as argument;
4552 (precompute_arguments): Likewise.
4553 * tree.h (special_function_p): Remove.
4554 (setjmp_call_p): Add prototype.
4556 2000-04-04 Jakub Jelinek <jakub@redhat.com>
4558 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
4559 so that addresses are offsetable by up to 16 bytes.
4560 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
4561 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
4564 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
4565 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
4566 (movsf): Don't force any constant to memory if target is integer
4568 Move fp_zero_operand check below the const0_rtx check.
4569 (movtf): Likewise. Also allow fp_zero_operand for stores into
4571 (movdf): Likewise. Also allow fp_zero_operand for stores into
4572 memory and into integer hard registers.
4573 (clear_df, clear_dfp, movdf_const_intreg_sp32,
4574 movdf_const_intreg_sp64): Remove.
4575 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
4577 (movdf_no_e_insn_v9_sp32): New pattern.
4578 (movdf_insn_v9only): Remove.
4579 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
4580 (movdf_insn_sp64): Remove.
4581 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
4582 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
4583 (following splits): Rewrite conditions. Add two new splits
4584 for storing 0.0 into memory and registers.
4585 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
4586 (movtf_insn_sp32): Redo constraints and conditions.
4587 (movtf_insn_vis_sp32): New pattern.
4588 (movtf_no_e_insn_sp32): Redo constraints and conditions.
4589 (movtf_insn_hq_sp64): Likewise.
4590 (movtf_insn_hq_vis_sp64): New pattern.
4591 (movtf_insn_sp64): Redo constraints and conditions.
4592 (movtf_insn_vis_sp64): New pattern.
4593 (movtf_no_e_insn_sp64): Redo constraints and conditions.
4594 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
4596 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
4597 -mvis or -m64 to take down the number of various reload patterns.
4599 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
4601 * pa/pa-64.h: New file.
4602 * pa/pa64-regs.h: New file.
4603 * pa/pa64-start.h: New file.
4604 * pa/t-pa64: New file.
4605 * pa/xm-pa64hpux.h: New file.
4607 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4609 * sparc.c (output_restore_regs): Prototype.
4610 (sparc_emit_float_lib_cmp): Constification.
4612 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
4614 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
4617 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
4618 (get_value_hash, hash_rtx): Likewise.
4620 * ssa.c (compute_conservative_reg_partition): Prototype.
4622 * tree.c (mark_hash_entry): Prototype.
4624 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
4626 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
4627 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
4628 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
4630 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
4631 * objc/lang-specs.h: Likewise.
4633 2000-04-03 Neil Booth <NeilB@earthling.net>
4635 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
4636 and SYNTAX_ERROR2. Replace `' in messages with ''.
4637 (op_to_str): Make re-entrant.
4638 (_cpp_parse_expr): Implement new error macros. Use | rather
4639 than || to logically or 2 boolean integers. Simply expression
4640 checking we have a left operand iff needed.
4642 2000-04-03 Nick Clifton <nickc@cygnus.com>
4644 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
4646 2000-04-03 Philip Blundell <philb@gnu.org>
4648 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
4650 2000-04-03 Felix Lee <flee@cygnus.com>
4652 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
4653 (run_shell): Use it.
4655 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
4657 * Makefile.in (stmp-int-hdrs): Make include subdir here...
4658 (stmp-fixproto): ...rather than here.
4660 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
4662 * pa.c (print_operand): Compute 'base' only inside the code paths
4665 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
4667 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
4670 2000-04-03 Philipp Thomas <pthomas@suse.de>
4672 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
4674 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
4676 * Makefile.in (alias.o): Depend on $(TREE_H).
4678 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
4680 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
4682 * cpplib.c (_cpp_handle_directive): Improve warnings for
4683 traditional C and indented directives.
4685 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
4686 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
4687 fixinc/inclhack.def: Indent the # of #include_next one space.
4688 * cp/rtti.c: Un-indent #if and #endif.
4690 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
4691 syntax error, but an error has already been printed.
4692 * cpplex.c (_cpp_parse_assertion): Give a more specific error
4693 message when called with nothing remaining on the line.
4694 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
4695 OTHER token, not an ASSERTION.
4696 * cpplib.c (do_assert): When we create a 'base' node, clear
4697 its aschain pointer.
4699 2000-04-02 Neil Booth <NeilB@earthling.net>
4701 * cppexp.c: New typedef op_t. struct operation and struct
4702 token updated to use it.
4703 (op_to_str): New function.
4704 (_cpp_parse_expr): Error messages modified to use op_to_str.
4706 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4708 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
4709 before checking MUST_PASS_IN_STACK.
4711 2000-04-02 Neil Booth <NeilB@earthling.net>
4713 * cppexp.c: New FINISHED dummy token. Combine operator initial
4714 flags and initial priority into a single constant. New
4715 EQUALITY macro. New operator flag SHORT_CIRCUIT.
4716 (_parse_cpp_expr): Implement new constants. Take left operand
4717 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
4718 parse indicated by reducing FINISHED token. Remove new lines
4719 from cpp_error messages.
4721 2000-04-01 Mark Mitchell <mark@codesourcery.com>
4723 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
4726 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
4728 * cpplib.c: Include symcat.h. Add 'origin' field to struct
4729 directive. Add origin values to DIRECTIVE_TABLE. Generate
4730 the strings and function names on the fly. Take the #sccs
4731 entry out of the table if SCCS_DIRECTIVE is not defined.
4732 (_cpp_handle_directive): Decide if the # was at the beginning
4733 of the line here. Issue -pedantic warnings for extended
4734 directives here. Warn about K+R directives with the #
4735 indented, and C89/extended directives with the # not indented,
4737 (do_import, do_include_next, do_warning, do_ident, do_sccs,
4738 do_assert, do_unassert): Don't issue pedantic warning here.
4740 * cpphash.h: Add CPP_WTRADITIONAL macro.
4741 * cpplib.h (struct cpp_options): Rename warn_stringify to
4742 warn_traditional; update comments.
4743 * cppinit.c (handle_option): Set warn_traditional not
4745 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
4746 CPP_WTRADITIONAL (pfile).
4747 * cpplex.c (_cpp_lex_token): Don't decide if directives should
4748 be ignored in -traditional mode here.
4750 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
4751 to initialize speccase[] and trigraph_map[]. Delete all
4752 references to pfile->input_speccase. Always treat '?' as a
4753 special character. Remove table-initialization code from
4754 _cpp_init_input_buffer.
4756 * cpplib.h (struct cpp_reader): Remove input_speccase field.
4757 * cppinit.c (cpp_cleanup): Don't free input_speccase.
4759 2000-04-01 Richard Henderson <rth@cygnus.com>
4761 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
4762 (mostlyclean): Likewise.
4764 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
4765 (struct dump_file_info, enum dump_file_index, dump_file): New.
4766 (open_dump_file): Take a dump_file_index not a suffix, and a decl
4767 not a string. Clean out file if we havn't yet done so. Do nothing
4768 if the dump isn't enabled.
4769 (close_dump_file): Do nothing if the dump isn't open. Dump
4770 graph data if requested.
4771 (dump_rtl, clean_dump_file): Remove.
4772 (compile_file): Don't clean the dump files. Only finalize .bp dump
4773 if flag_test_coverage or flag_branch_probabilities. Only finalize
4774 .combine dump if optimizing. Iterate over dump_file to finalize the
4776 (rest_of_compilation): Update for open_dump_file/close_dump_file.
4777 Convert all uses of dump_rtl.
4778 (decode_d_option): Iterate over dump_file to implement 'a' and to
4779 locate pass-specific dumps.
4781 2000-04-01 Neil Booth <NeilB@earthling.net>
4783 * cppexp.c: Redefine priority constants.
4784 (_cpp_parse_expr): Replace left and right priority scheme with
4785 single priority logic. Move LOGICAL to same place as COMPARE.
4786 Remove bogus check for multiple unary +/- operators.
4788 2000-04-01 Neil Booth <NeilB@earthling.net>
4790 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
4791 within the switch statement. Binary operations break out of
4792 the switch naturally. '(' tokens handled by forcing
4793 immediate shift. ')' handled by forcing immediate reduce to
4794 the previous '('. New error messages.
4796 2000-03-31 Geoff Keating <geoffk@cygnus.com>
4798 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
4799 part', it's already in use. Use %K instead. Add a return at the
4800 end of what is now %K.
4801 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
4803 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4805 * builtins.c (expand_builtin_apply): Pass proper parameters to
4806 allocate_dynamic_stack_space.
4807 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
4808 update stack_pointer_delta; do not update arg_size_so_far.
4809 (compute_argument_block_size): Use stack_delta instead of
4810 stack_pointer_pending and arg_size_so_far.
4811 (expand_call): Add sanity checking for stack_pointer_delta;
4812 save and restore stack_pointer_delta for SIB, use
4813 stack_pointer_delta for alignment; do not update arg_space_so_far.
4814 (emit_library_call_value): Use stack_pointer_delta for alignment.
4815 (store_one_arg): Do not update arg_space_so_far.
4816 * explow.c (adjust_stack, anti_adjust_stack): Update
4817 stack_pointer_delta.
4818 (allocate_dynamic_stack_space): Add sanity checking for
4819 stack_pointer_delta.
4820 * expr.c (init_expr, clear_pending_stack_adjust): Clear
4821 stack_pointer_delta.
4822 (emit_push_insn): Update stack_pointer_delta.
4823 * function.h (struct expr_status): Add x_stack_pointer_delta;
4824 remove x_arg_space_so_far.
4825 (arg_space_so_far): Remove.
4826 (stack_pointer_delta): New macro.
4828 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
4830 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
4831 Reorder struct cpp_options and struct cpp_reader for better
4832 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
4833 takes two args. Change all 'char' flags to 'unsigned char'.
4834 Move show_column flag into struct cpp_options. Don't
4835 prototype cpp_options_init.
4836 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
4837 cppinit.c, cpplex.c, cpplib.c:
4838 Replace CPP_OPTIONS (pfile)->whatever with
4839 CPP_OPTION (pfile, whatever), and likewise for
4840 opts = CPP_OPTIONS (pfile); ... opts->whatever;
4842 * cppinit.c (merge_include_chains): Take a cpp_reader *.
4843 Extract CPP_OPTION (pfile, pending) and work with that
4845 (cpp_options_init): Delete.
4846 (cpp_reader_init): Turn on on-by-default options here.
4847 Allocate the pending structure here.
4848 (cl_options, enum opt_code): Define these from the same table,
4849 kept in a large macro. Add -fshow-column and -fno-show-column
4852 * cpperror.c (v_message): If show_column is off, don't print
4855 * cppmain.c: Update for new interface.
4856 * fix-header.c: Likewise.
4858 2000-03-30 Geoff Keating <geoffk@cygnus.com>
4860 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
4862 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
4863 are passed to any invocation of AR_FOR_TARGET.
4864 (AR_CREATE_FOR_TARGET): New macro.
4865 (AR_EXTRACT_FOR_TARGET): New macro.
4866 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
4867 AR_EXTRACT_FOR_TARGET.
4868 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
4869 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
4870 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
4871 AR_EXTRACT_FOR_TARGET to sub-makes.
4873 2000-03-31 Neil Booth <NeilB@earthling.net>
4875 * cppexp.c: Delete SKIP_OPERAND. Correct priority
4877 (_cpp_parse_expr): Check for multiple unary +/- operators.
4878 Correct priorities of ':' and '?'. Treat ')' as having a
4879 value. Ensure conditional expression is not void.
4881 2000-03-31 Mark Mitchell <mark@codesourcery.com>
4883 * alias.c (canon_rtx): Make it global.
4884 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
4886 * cse.c (struct table_elt): Add canon_exp.
4888 (invalidate): Canonicalize expressions only once.
4889 * rtl.h (canon_rtx): Declare.
4891 2000-03-30 Mark Mitchell <mark@codesourcery.com>
4893 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
4894 * alias.c (reg_known_value): Add comments.
4895 (init_alias_analysis): Likewise.
4896 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
4898 (cse_basic_block): Fix typo in comment.
4899 * emit-rtl.c: Include hashtab.h.
4900 (const_int_htab): New variable.
4901 (const_int_htab_hash): New function.
4902 (const_int_htab_eq): Likewise.
4903 (rtx_htab_mark_1): Likewise.
4904 (rtx_htab_mark): Likewise.
4905 (gen_rtx_CONST_INT): Cache all CONST_INTs.
4906 (unshare_all_rtx): Fix formatting.
4907 (init_emit_once): Initialize const_int_htab.
4908 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
4910 * rtl.texi: Document the fact that all CONST_INTs with the same
4913 2000-03-30 Richard Henderson <rth@cygnus.com>
4915 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
4917 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
4919 * configure.in: Comment out --enable-c-cpplib stanza.
4920 * configure: Regenerate.
4922 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4924 * expr.c (store_constructor): Properly compute displacement and
4925 alignment when offset is variable.
4927 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
4928 cases of alignment in bytes.
4930 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
4932 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
4933 since it is used to generate c-parse.y.
4934 * objc-parse.c, objc-parse.y: Regenerated.
4936 * function.c (expand_function_end): Pass alignment argument to
4937 emit_block_move in bits, not bytes.
4939 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4941 * expr.c (move_by_pieces_ninsns): Fix one more missing align
4944 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
4946 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
4947 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
4948 * function.c (assign_parms): Likewise.
4949 * integrate.c (expand_inline_function): Likewise.
4950 * stmt.c (expand_decl): Likewise.
4951 (copy_rtx_and_substitute): Likewise.
4952 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
4953 (clear_by_pieces): Fix error in last change.
4954 * emit-rtl.c (init_emit): Set known registers alignment in bits.
4955 * function.h (regno_pointer_align): Now unsigned.
4956 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
4958 * config/i386/i386.c (aligned_operand): Likewise.
4959 * config/sparc/sparc.c (mem_min_alignment): Likewise.
4960 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
4961 (unaligned_memory_operand): Likewise.
4962 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
4963 Also make alignments and sizes unsigned and some whitespace cleanup.
4964 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
4966 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
4967 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
4968 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
4969 (expand_builtin_memset): Likewise, but to clear_storage.
4970 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
4971 (restore_fixed_argument_area): Likewise.
4972 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
4973 (load_register_parameters): Likewise, to emit_group_load.
4974 (expand_call): Likewise, to emit_group_store and emit_block_move.
4975 (emit_library_call_value_1): Likewise, to emit_block_move.
4976 (store_one_arg): Likewise, and to emit_push_insn.
4977 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
4978 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
4979 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
4980 (emit_block_move, emit_group_load, emit_group_store): Likewise.
4981 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
4982 (expand_assigment, store_expr, store_constructor_field): Likewise.
4983 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
4984 (store_constructor, store_field, get_inner_reference): Likewise.
4985 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
4986 (expand_expr, case COMPONENT_REF): Likewise.
4987 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
4988 and positions; reindent code.
4989 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
4990 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
4991 (assign_parms): Likewise to emit_group_store.
4992 * optabs.c (prepare_cmp_insn): Alignment is in bits.
4993 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
4994 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
4995 (expand_return): Likewise to {extract,store}_bit_field.
4996 * stor-layout.c (get_mode_alignment): Minor cleanup.
4997 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
4998 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
5000 2000-03-29 Nick Clifton <nickc@cygnus.com>
5002 * config/arm/arm.h: Undo effects of previous delta:
5003 (ASM_SPEC): Do not define.
5004 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
5006 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
5009 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
5011 * cppinit.c (cpp_start_read): Call initialize_dependency_output
5012 only after reading in the primary source file.
5014 2000-03-29 Geoff Keating <geoffk@cygnus.com>
5016 * c-common.c (c_common_nodes_and_builtins): The first parameter to
5017 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
5018 or a reference to a va_list.
5019 * builtins.c (stabilize_va_list): Simplify now we don't have to
5020 work around C array address decay.
5021 * c-typeck.c (convert_for_assignment): Handle assignment to
5022 a reference parameter by taking the address of the RHS.
5023 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
5024 (va_copy): Likewise.
5025 (__va_copy): Likewise.
5026 * ginclude/varargs.h (va_start): Likewise.
5027 (__va_copy): Likewise.
5029 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
5031 * i386/djgpp.h: Remove extraneous "+".
5033 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
5035 * calls.c (expand_call): Fix typo in last change.
5037 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
5039 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
5042 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5044 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
5045 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
5046 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
5047 * tree.c (bit_position, byte_position): Likewise.
5048 * tree.h: Declare new functions.
5050 2000-03-29 Nick Clifton <nickc@cygnus.com>
5052 * config/arm/arm.c: Minor formatting changes/
5053 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5055 (ASM_SPEC): Define if not already defined.
5057 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
5059 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
5062 2000-03-29 Jakub Jelinek <jakub@redhat.com>
5064 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
5065 value, don't output it as unsigned.
5067 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
5069 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
5071 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5073 * c-common.c (c_common_nodes_and_builtins): Don't special case
5074 cplus_mode when declaring builtin bzero/bcmp, always avoid
5075 prototype arguments.
5077 2000-03-29 Bruce Korb <bkorb@gnu.org>
5079 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
5082 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
5084 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
5085 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
5086 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
5087 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
5088 (save_fixed_argument_area, restore_fixed_argument_area):
5089 conditionize by #ifdef REG_PARM_STACK_SPACE only.
5090 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
5091 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
5092 (precompute_register_parameters): Avoid #ifdefs on
5093 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
5094 (stire_one_args): Likewise.
5095 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
5096 (emit_library_call_value_1): Likewise.
5097 (compute_argument_block_size): Align to STACK_BOUNDARY only for
5098 ACCUMULATE_OUTGOING_ARGS.
5099 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
5101 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
5102 (use_crosses_set_p): Likewise.
5103 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
5104 #define ACCUMULATE_OUTGOING_ARGS 1.
5105 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
5107 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
5109 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
5110 (TARGET_SWITCHES): Add push-args, no-push-args,
5111 accumulate-outgoing-args and no-accumulate-outgoing-args.
5112 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
5113 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
5114 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
5116 (emit_push_insn): Likewise.
5117 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
5118 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
5119 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
5120 (STACK_DYNAMIC_OFFSET): Define correctly for both
5121 ACCUMULATE_OUTGOING_ARGS and normal mode.
5122 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
5123 * tm.texi (PUSH_ARGS): Document.
5124 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
5126 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
5128 * flags.h (flag_optimize_sibling_calls): Declare.
5129 * calls.c (expand_call): Fail sibcall when
5130 !flag_optimize_sibling_calls
5131 * invoke.texi (flag_optimize_sibling_calls): Document.
5132 * toplev.c (flag_optimize_sibling_calls): New global variable.
5133 (f_options): Add flag_optimize_sibling_calls.
5134 (rest_of_compilation): Conditionize
5135 optimize_sibling_and_tail_recursive_calls by
5136 flag_optimize_sibling_calls.
5137 (main): Set flag_optimize_sibling_calls for -O2.
5138 * stmt.c (expand_return): Conditionize tail recursion by
5139 flag_optimize_sibling_calls.
5141 2000-03-29 Richard Henderson <rth@cygnus.com>
5143 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
5144 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
5146 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
5148 * except.c (add_eh_table_entry): Mark type_info's as referenced.
5150 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5152 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
5154 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
5155 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
5156 * config/rs6000/aix.h: then modified likewise.
5158 2000-03-28 Richard Henderson <rth@cygnus.com>
5160 * rtl.h: Redistribute enum reg_note documentation.
5161 Kill trailing whitespace.
5162 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
5163 Kill trailing whitespace.
5165 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
5167 * cppfiles.c (hash_IHASH): Just return i->hash.
5168 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
5169 htab_find_with_hash.
5170 (cpp_read_file): Likewise.
5171 (find_include_file): Likewise. Properly initialize
5172 ih->nshort. Share ih->name and ih->nshort if possible.
5173 * cpphash.c (_cpp_calc_hash): New function.
5174 (hash_HASHNODE): Just return h->hash.
5175 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
5176 htab_find_with_hash.
5177 * cpphash.h: Prototype _cpp_calc_hash.
5178 * cppinit.c (initialize_builtins): Provide a valid hash
5179 to _cpp_make_hashnode, using _cpp_calc_hash.
5181 * cpphash.c (collect_expansion): # is not a special character
5182 in object-like macros. In -traditional mode, /**/ is not
5183 token paste at the beginning or end of the line.
5184 * cpplib.c (do_include, do_import, do_include_next): If
5185 parse_include fails, return immediately.
5187 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
5189 * config/arm/arm.md (return peepholes): Update to reflect the new
5191 * config/arm/arm.c (arm_volatile_func): Also check
5192 current_function_nothrow.
5193 (output_return_instruction, output_func_prologue): Use it.
5194 (arm_output_epilogue, arm_expand_prologue): Likewise.
5196 2000-03-27 Tom Tromey <tromey@cygnus.com>
5198 * gcc.c (handle_braces): In {x*...} case, break out of loop if
5201 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5203 * expr.c (store_constructor): SIZE now signed.
5204 For EXPR_SIZE, don't evaluate size; just needed if constant.
5205 * fold-const.c (fold): Fix a number of cases when folded tree is
5207 * function.c (flush_addressof): Reenable.
5208 * tree.h (flush_addressof): Likewise.
5209 * toplev.c (independent_decode_option): Look at strings_processed.
5210 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
5212 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
5214 * sibcall.c (indentify_call_return_value): Find last call in the chain;
5215 Allow stack adjustment after function call.
5217 * regmove.c (struct csa_memlist): Make mem field rtx *.
5218 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
5219 (try_apply_stack_adjustment): Replace whole MEM rtx.
5220 (combine_stack_adjustments_for_block): Update calls
5221 to record_one_stack_ref.
5223 2000-03-28 Neil Booth <NeilB@earthling.net>
5225 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
5226 '\\' rather than a null character, so nulls are not special. Fix
5227 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
5228 speed trigraph conversion.
5229 (_cpp_init_input_buffer): Initialize trigraph map.
5231 2000-03-27 Alan Modra <alan@linuxcare.com.au>
5233 * config/i386/i386.c (output_387_binary_op): Correct intel
5234 mode assembly output, and add spaces after commas in AT&T
5235 output. Correct Unixware assembler comment. Document input
5236 constraints. Comment fp operations. Reduce profligate buffer
5237 size. Remove extraneous abort. Localize temp var.
5238 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
5239 (output_fix_trunc): Add spaces after commas in assembly output.
5241 2000-03-27 Richard Henderson <rth@cygnus.com>
5243 * i386-protos.h (ix86_match_ccmode): Declare.
5244 * i386.c (ix86_match_ccmode): New.
5245 (ix86_expand_fp_compare): Update for pattern renames.
5246 (ix86_expand_strlensi_unroll_1): Likewise.
5247 * i386.h (EXTRA_CC_MODES): Add CCZ.
5248 (SELECT_CC_MODE): Use it for EQ/NE zero.
5249 * i386.md (cmpsi_ccz_1): New.
5251 (*testsi_ccz_1): New.
5252 (testqi_ccz_1): New.
5253 (cmpsi_ccno_1): Rename from cmpsi_0.
5254 (testsi_ccno_1): Rename from testsi_1.
5255 (testqi_ccno_1): Rename from testqi_1.
5256 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
5257 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
5258 (*cmphi_0): Use ix86_match_ccmode.
5259 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
5260 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
5261 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
5262 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
5263 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
5264 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
5265 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
5266 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
5267 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
5268 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
5269 (appropriate peepholes): Likewise.
5270 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
5271 (*subsi_3, *subhi_3, *subqi_3): Remove.
5272 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
5273 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
5274 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
5275 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
5276 (x86_shift_adj_1): Use CCZ.
5277 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
5279 2000-03-27 Stan Cox <scox@cygnus.com>
5281 * resource.h (mark_resource_type): New.
5282 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
5283 find_free_register): Use mark_resource_type.
5284 (mark_set_resources): Change include_delayed_effects
5285 to mark_resource_type.
5286 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
5287 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
5288 Use mark_resource_type.
5290 2000-03-27 Richard Henderson <rth@cygnus.com>
5292 * i386.md (call_pop_0, call_value_pop_0): New.
5293 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
5294 (call_value_pop_1): Likewise.
5295 (call_0, call_value_0): New.
5296 (call_1, call_value_1): Remove constraint from unused arg.
5298 2000-03-27 Nick Clifton <nickc@cygnus.com>
5300 * invoke.texi (Spec Files): Document new spec % command created by
5301 Tom Tromey's recent patch.
5303 2000-03-27 Jakub Jelinek <jakub@redhat.com>
5305 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
5308 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5310 * expr.c (expand_assignment): Fix typo in last change.
5312 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
5314 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5316 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
5317 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
5318 and DECL_INLINE if FUNCTION_DECL.
5319 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
5320 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
5321 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
5322 (combine_parm_decls): Likewise.
5323 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
5324 * print-tree.c (print_node): Likewise.
5325 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
5326 DECL_TRANSPARENT_UNION on proper decl types.
5327 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
5328 * stor-layout.c (layout_decl): Only check DECL_PACKED and
5329 DECL_BIT_FIELD of FIELD_DECL.
5330 * tree.h (DECL_RESULT_FLD): New macro.
5332 * expr.c (expand_assignment): Add code to handle variable-sized
5335 2000-03-26 Richard Henderson <rth@cygnus.com>
5337 * calls.c (expand_call): Pass parms not original exp to
5338 optimize_tail_recursion. Mind return value instead of looking
5340 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
5341 call_expr. Move checks for call_expr and current_function_decl ...
5342 (expand_return): ... here.
5344 2000-03-26 Tom Tromey <tromey@cygnus.com>
5346 * gcc.c (handle_braces): Recognize `%{<S}' construct.
5347 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
5349 (process_command): Use them.
5350 (check_live_switch): Likewise.
5351 (give_switch): Skip ignored switches.
5353 2000-03-26 Jan Hubicka <jh@suse.cz>
5355 * jump.c (jump_optimize_1): Fix typo in elide optimizations
5356 for minimal jump pass test.
5358 2000-03-26 Mark Mitchell <mark@codesourcery.com>
5360 * integrate.c (function_cannot_inline_p): Do inline functions that
5363 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5365 * stor-layout.c (layout_type, set_sizetype): early_type_list is
5366 now a list of TREE_LIST entries, not types.
5367 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
5369 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
5370 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
5372 * config/mips/mips.c (function_arg): Likewise; also remove cast
5373 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
5374 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
5375 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
5376 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
5377 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
5378 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
5379 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
5380 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
5381 num_adjusts now unsigned.
5382 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
5383 * config/sparc/sparc.c (struct function_arg_record_value_parms):
5385 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
5386 as is BITPOS variable; use host_integerp and int_bit_position.
5387 (function_arg_record_value_2): Likewise.
5388 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
5389 Variable REGNO now unsigned.
5390 (function_arg_record_value): NREGS now unsigned.
5392 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5394 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
5396 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5398 * Rework fields used to describe positions of bitfields and
5399 modify sizes to be unsigned and use HOST_WIDE_INT.
5400 * alias.c (reg_known_value_size): Now unsigned.
5401 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
5402 (really_start_incremental_init): Use bitsize_zero_node.
5403 (push_init_level, pop_init_level, output_init_element): Likewise.
5404 Use bitsize_unit_node and bitsize_one_node.
5405 (output_pending_init_elements, process_init_element): Likewise.
5406 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
5407 (make_extraction): Position and length HOST_WIDE_INT and unsigned
5408 HOST_WIDE_INT, respectively.
5409 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
5410 (num_sign_bit_copies): Returns unsigned.
5411 BITWIDTH now unsigned; rework arithmetic.
5412 Remove recursive call from arg to MAX.
5413 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
5414 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
5416 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
5417 (find_split_point, expand_compound_operation, make_extraction): LEN
5418 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
5419 (make_field_assignment): Likewise.
5420 (combine_simplify_rtx): Add cast.
5421 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
5422 (force_to_mode): WIDTH now unsigned; add cast.
5423 (if_then_else_cond): SIZE now unsigned.
5424 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
5425 (extended_count): Now returns unsigned.
5426 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
5427 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
5428 (simplify_comparison): MODE_WIDTH now unsigned.
5429 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
5430 (mark_used_regs_combine): Likewise; rework arithmetic.
5431 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
5432 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
5433 (record_promoted_value): REGNO now unsigned.
5434 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
5435 (get_last_value): REGNO now unsigned.
5436 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
5437 (reg_dead_regno, reg_dead_endregno): Now unsigned.
5438 (remove_death): Arg REGNO now unsigned.
5439 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
5440 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
5442 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
5443 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
5444 (struct cse_reg_info): REGNO now unsigned.
5445 (cached_regno): Now unsigned.
5446 (REGNO_QTY_VALID_P): Add cast.
5447 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
5448 (remove_invalid_regs): Likewise.
5449 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
5450 as are variables END and I.
5451 (get_cse_reg_info, insert): Likewise.
5452 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
5453 (canon_hash): Likewise.
5454 (insert_regs, lookup_for_remove): REGNO now unsigned.
5455 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
5457 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
5458 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
5459 * emit-rtl.c (subreg_realpart_p): Add cast.
5460 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
5461 (operand_subword_force): Arg I is now unsigned.
5462 * except.c (eh_regs): Variable I is now unsigned.
5463 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
5464 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
5465 length is unsigned HOST_WIDE_INT; likewise for internal variables.
5466 (store_split_bit_field, extract_fixed_bit_field): Likewise.
5467 (extract_split_bit_field, store_bit_field, extract_bit_field):
5469 * expr.c (store_constructor_fields, store_constructor, store_field):
5470 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
5471 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
5472 (do_jump): Likewise.
5473 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
5474 MAX_SIZE is now unsigned.
5475 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
5476 (emit_group_store): Likewise.
5477 (emit_move_insn): I now unsigned.
5478 (store_constructor): Use host_integerp, tree_low_cst, and
5480 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
5481 Rework all calculations to use trees and new fields.
5482 * expr.h (promoted_input_arg): Regno now unsigned.
5483 (store_bit_field, extract_bit_field): Adjust types of pos and size.
5484 (mark_seen_cases): Arg is HOST_WIDE_INT.
5485 * flow.c (verify_wide_reg_1): REGNO now unsigned.
5486 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
5487 precisions and alignments are unsigned.
5488 (optimize_bit_field_compare, fold_truthop): Likewise.
5489 (int_const_binop): Adjust threshold for size_int_type_wide call.
5490 (fold_convert): Likewise.
5491 (size_int_type_wide): Make table larger and fix thinko that only
5492 had half of table used.
5493 (all_ones_mask_p, fold): Precisions are unsigned.
5494 * function.c (put_reg_info_stack): REGNO is unsigned.
5495 (instantiate_decl): Size is HOST_WIDE_INT.
5496 (instantiate_virtual_regs): I is unsigned.
5497 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
5498 (promoted_input_arg): REGNO is unsigned.
5499 * function.h (struct function): x_max_parm_reg is now unsigned.
5500 * gcse.c (max_gcse_regno): Now unsigned.
5501 (struct null_pointer_info): min_reg and max_reg now unsigned.
5502 (lookup_set, next_set): REGNO arg now unsigned.
5503 (compute_hash_table): REGNO and I now unsigned.
5504 (handle_avail_expr): regnum_for_replacing now unsigned.
5505 (cprop_insn): REGNO now unsigned.
5506 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
5507 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
5508 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
5509 * hard-reg-set.h (reg_class_size): Now unsigned.
5510 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
5511 * jump.c (mark_modified_reg): I now unsigned; add cast.
5512 (rtx_equal_for_thread_p): Add cast.
5513 * loop.c (max_reg_before_loop): Now unsigned.
5514 (struct_movable): REGNO now unsigned.
5515 (try_copy_prop): REGNO arg unsigned.
5516 (regs_match_p): XN and YN now unsigned.
5517 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
5518 (strength_reduce): Likewise; NREGS also unsigned.
5519 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
5520 * loop.h (struct iv_class): REGNO now unsigned.
5521 (max_reg_before_loop, first_increment_giv, last_increment_giv):
5523 * machmode.h (mode_size, mode_unit_size): Now unsigned.
5524 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
5525 * optabs.c (expand_binop): I and NWORDS now unsigned.
5526 (expand_unop): I now unsigned.
5527 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
5528 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
5529 * real.c (significand_size): Now returns unsigned.
5530 * real.h (significand_size): Likewise.
5531 * regclass.c (reg_class_size): Now unsigned.
5532 (choose_hard_reg_mode): Both operands now unsigned.
5533 (record_reg_classes): REGNO and NR now unsigned.
5534 (reg_scan): NREGS now unsigned.
5535 (reg_scan_update): old_max_regno now unsigned.
5536 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
5537 * reload.c (find_valid_class): BEST_SIZE now unsigned.
5538 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
5539 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
5540 Likewise for variable R.
5541 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
5542 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
5543 (find_equiv_reg): Add casts.
5544 (regno_clobbered_p): Arg REGNO now unsigned.
5545 * reload.h (struct reload): NREGS now unsigned.
5546 (refers_to_regno_for_reload_p): Regno args are unsigned.
5547 (regno_clobbered_p): Likewise.
5548 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
5549 (compute_use_by_pseudos): REGNO now unsigned.
5550 (find_reg): I and J now unsigned, new variable K, and change loop
5551 variables accordingly; THIS_NREGS now unsigned.
5552 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
5553 (spill_hard_reg): REGNO arg now unsigned; add casts.
5554 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
5555 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
5556 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
5557 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
5558 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
5559 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
5560 (emit_reload_insns): REGNO now unsigned.
5561 (reload_cse_move2add): Add cast.
5562 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
5564 * resource.c (mark_referenced_resources, mark_set_resources): New
5565 variable R; REGNO and LAST_REGNO now unsigned.
5566 (mark_target_live_regs): J and REGNO now unsigned.
5567 * rtl.c (mode_size, mode_unit_size): Now unsigned.
5568 * rtl.h (union rtunion_def): New field rtuint.
5569 (XCUINT): New macro.
5570 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
5571 (operand_subword, operand_subword_force): Word number is unsigned.
5572 (choose_hard_reg_mode): Operands are unsigned.
5573 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
5574 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
5575 (regno_use_in, combine_instructions, remove_death): Likewise.
5576 (reg_scan, reg_scan_update): Likewise.
5577 (extended_count): Return is unsigned.
5578 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
5579 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
5580 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
5581 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
5582 (reg_reg_last_1): FIRS and LAST now unsigned.
5583 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
5584 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
5586 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
5587 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
5588 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
5589 (replace_regs): Arg NREGS now unsigned.
5590 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
5591 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
5592 (simplify_binary_operation): Likewise.
5593 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
5594 THIS_LAST now unsigned.
5595 (cselib_record_set): Add cast.
5596 * ssa.c (ssa_max_reg_num): Now unsigned.
5597 (rename_block): REGNO now unsigned.
5598 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
5600 (all_cases_count): Just return -1 not -2.
5601 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
5602 Rework tests to use trees whenever possible.
5603 Use host_integerp and tree_low_cst.
5604 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
5605 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
5606 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
5607 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
5608 (smallest_mode_for_size): Likewise.
5609 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
5610 KNOWN_ALIGN is now an alignment, so simplify code.
5611 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
5612 (start_record_layout): Renamed from new_record_layout_info.
5613 Update to new fields.
5614 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
5616 (place_union_field): Renamed from layout_union_field.
5617 Update to use new fields in rli.
5618 (place_field): Renamed from layout_field.
5619 Major rewrite to use new fields in rli; pass alignment to layout_decl.
5620 (finalize_record_size): Rework to use new fields in rli and handle
5622 (compute_record_mode): Rework to simplify and to use new DECL fields.
5623 (finalize_type_size): Make rounding more consistent.
5624 (finish_union_layout): Deleted.
5625 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
5626 (layout_type, case RECORD_TYPE): Call new function names.
5627 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
5628 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
5629 (get_best_mode): UNIT is now unsigned; remove casts.
5630 * tree.c (bit_position): Compute from new fields.
5631 (byte_position, int_byte_position): New functions.
5632 (print_type_hash_statistics): Cast to remove warning.
5633 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
5634 (build_index_type): Likewise; make subtype of sizetype.
5635 (build_index_2_type): Pass sizetype to build_range_type.
5636 (build_common_tree_nodes): Use size_int and bitsize_int to
5637 initialize nodes; add bitsize_{zero,one,unit}_node.
5638 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
5639 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
5640 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
5641 (DECL_FIELD_BITPOS): Deleted.
5642 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
5643 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
5644 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
5645 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
5646 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
5647 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
5648 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
5649 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
5650 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
5651 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
5652 (DECL_ALIGN): Adjust to new field in union.
5653 (DECL_OFFSET_ALIGN): New field.
5654 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
5655 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
5656 (union tree_decl): Add struct for both aligns.
5657 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
5658 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
5659 (struct record_layout_info): Rework fields to have offset
5660 alignment and byte and bit position.
5661 (start_record_layout, place_field): Renamed from old names.
5662 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
5663 (byte_position, int_byte_position): Likewise.
5664 (get_inner_reference): Change types of position and length.
5665 * unroll.c (unroll_loop): New variable R; use for some loops.
5666 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
5667 (calculate_giv_inc): Arg REGNO now unsigned.
5668 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
5669 * varasm.c (assemble_variable): Clean up handling of size using
5670 host_integerp and tree_low_cst.
5671 (decode_addr_const): Use byte, not bit, position.
5672 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
5673 use tree_low_cst and int_bit_position.
5674 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
5676 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
5678 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
5679 (reorder_block_def): New members eff_head and eff_end.
5680 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
5681 (verify_insn_chain): New function.
5682 (skip_insns_between_block): Add code to skip deleted insns.
5683 Check for note before using.
5684 (chain_reorder_blocks): Replace calls to skip_insns_between_block
5685 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
5686 Check for note before using.
5687 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
5688 (fixup_reorder_chain): Restructure, clean up, defect removal.
5689 (reorder_basic_blocks): Remove last_insn and references to it.
5690 Moved insn chain verification code into a new function (see above).
5691 Delete defective code that sets last insn.
5692 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
5695 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5697 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
5699 2000-03-24 Richard Henderson <rth@cygnus.com>
5701 * tree.c (lang_safe_for_unsave): Remove.
5702 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
5703 allowing for two levels of unsafeness. Remove lang hook.
5704 * tree.h: Update declarations.
5705 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
5706 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
5707 Always fail sibcalls when there are pending cleanups.
5709 2000-03-24 Geoff Keating <geoffk@cygnus.com>
5711 * flow.c (propagate_block): When we delete an ADDR_VEC,
5712 also delete the BARRIER following it if there is one.
5714 2000-03-24 Richard Henderson <rth@cygnus.com>
5716 * builtins.c (expand_builtin_bzero): Convert `length' argument
5719 2000-03-24 Jakub Jelinek <jakub@redhat.com>
5721 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
5722 comparison if regno's are equal.
5723 * calls.c (initialize_argument_informat): Add ecf_flags argument.
5724 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
5725 (expand_call): Update caller.
5726 Avoid making a sibling call if argument size of the callee is larger
5727 than argument size of the caller.
5728 Call hard_function_value with outgoing set if in sibcall pass.
5729 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
5731 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
5732 Change LEAF_REGISTERS from an array initializer to actual array
5733 identifier. Move static global variable into the function.
5734 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
5735 sequences for leaf functions.
5736 * global.c (global_alloc): Likewise.
5737 * tm.texi (LEAF_REGISTERS): Update documentation.
5739 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
5740 TARGET_FLAT leaf disabling hack.
5741 (LEAF_REGISTERS): Changed from an array initializer to actual array
5742 identifier to avoid duplication and remove the above hack.
5743 (FUNCTION_OK_FOR_SIBCALL): Define.
5744 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
5745 always like call attribute.
5746 (eligible_for_sibcall_delay): New attribute.
5747 (sibcall): New delay type.
5748 (sibcall, sibcall_value, sibcall_epilogue): New expands.
5749 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
5750 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
5751 * config/sparc/sparc.c (sparc_leaf_regs): New array.
5752 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
5754 (output_function_epilogue): Move part of the code into
5755 output_restore_regs.
5756 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
5758 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
5761 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
5762 until infrastructure is finished.
5764 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
5766 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
5767 (save_parm_insns): Not here.
5769 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5771 * builtins.c (expand_builtin_bzero): New function.
5772 (expand_builtin): Handle bzero.
5774 * builtins.def: Add BUILT_IN_BZERO.
5776 * c-common.c (c_common_nodes_and_builtins): Provide builtin
5777 prototype & function for bzero.
5779 2000-03-23 Michael Meissner <meissner@redhat.com>
5781 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
5782 change adding TARGET_FP to the TF floating point insns, except for
5783 trunctfsf2, which generates direct calls to truncdfsf2.
5785 2000-03-23 Geoff Keating <geoffk@cygnus.com>
5787 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
5788 try to protect against middle-end changes that break binary
5790 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
5792 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5794 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
5796 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5798 * calls.c (expand_call): If TARGET is passed by reference and
5799 is readonly, write a CLOBBER.
5801 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5803 * builtins.c (expand_builtin): Handle bcmp.
5805 * builtins.def: Add BUILT_IN_BCMP.
5807 * c-common.c (c_common_nodes_and_builtins): Provide builtin
5808 prototype & function for bcmp.
5810 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
5812 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
5813 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
5814 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
5816 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
5818 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
5819 alternative when using -fp64 -gp32.
5821 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
5823 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
5824 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
5825 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
5827 * frame.h (frame_state): Revert last change.
5828 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
5829 * libgcc2.c (throw_helper): Revert last change.
5831 2000-03-22 Richard Henderson <rth@cygnus.com>
5833 * stmt.c (expand_asm_operands): Don't promote the temporary.
5835 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
5837 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
5838 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
5839 c_get_alias_set): Likewise.
5840 * c-decl.c (duplicate_decls): Likewise.
5841 * c-typeck.c (default_conversion,build_unary_op): Likewise.
5842 * calls.c (initialize_argument_information): Likewise.
5843 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
5845 * dwarfout.c (decl_class_context,output_type): Likewise.
5846 * expr.c (get_inner_reference): Likewise.
5847 * fold-const.c (simple_operand_p,fold): Likewise.
5848 * function.c (aggregate_value_p): Likewise.
5849 * stmt.c (expand_asm_operands): Likewise.
5850 * varasm.c (named_section): Likewise.
5852 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
5854 Implement dwarf2 exception handling for the ARM.
5855 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
5856 (DWARF_FRAME_RETURN_COLUMN): Define.
5857 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
5858 REG_FRAME_RELATED_EXPR note.
5859 (emit_sfm): Likewise.
5860 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
5861 * dwarf2out.c (reg_save): Handle saving a register to itself.
5862 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
5863 * except.c (eh_regs): Don't use the static chain reg if it's
5865 * frame.h (frame_state): Add cfa_saved field.
5866 * frame.c (execute_cfa_insn): Set it.
5867 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
5869 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
5871 (instantiate_virtual_regs): Adjust.
5873 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
5874 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
5875 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
5877 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
5878 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
5880 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5882 * builtins.def: New file.
5884 * Makefile.in (TREE_H): Depend on builtins.def.
5886 * builtins.c (built_in_names): Use builtins.def.
5888 * tree.h (built_in_function): Likewise.
5890 2000-03-22 Mark Mitchell <mark@codesourcery.com>
5892 * tree.c (size_in_bytes): Return size_zero_node, not
5895 2000-03-22 Geoff Keating <geoffk@cygnus.com>
5897 * config/fp-bit.c (pack_d): Correct the case when a denormal
5898 is rounded up and stops being denormal.
5900 2000-03-21 Richard Henderson <rth@cygnus.com>
5902 * config/alpha/alpha.c (function_arg): Check for void_type_node
5903 before using MUST_PASS_IN_STACK.
5905 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
5907 * regmove.c (combine_stack_adjustments_for_block): Check that
5908 the stack pointer is a valid memory address.
5910 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
5912 * calls.c: re-install Mar 16 emit_library_call merge.
5914 2000-03-21 Jakub Jelinek <jakub@redhat.com>
5916 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
5917 we cannot be sure that if reload_completed base register will
5918 be properly aligned.
5920 2000-03-21 Richard Henderson <rth@cygnus.com>
5922 * flow.c (delete_block): Fix typo last change.
5924 2000-03-21 Mark Mitchell <mark@codesourcery.com>
5926 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
5927 not COMPLETE_TYPE_P, to check the type of the expression.
5929 2000-03-21 Michael Meissner <meissner@redhat.com>
5931 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
5932 all floating point insns that just tested the macro
5933 TARGET_HAS_XFLOATING_LIBS.
5934 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
5935 used to only use the gprs.
5937 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
5939 * tree.h (COMPLETE_TYPE_P): New macro.
5940 (COMPLETE_OR_VOID_TYPE_P): New macro.
5941 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
5942 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
5943 * c-aux-info.c (gen_type): Use them.
5944 * c-common.c (c_expand_expr_stmt): Likewise.
5945 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
5946 grokdeclarator, grokparms, finish_struct, start_function,
5947 store_parm_decls, combine_parm_decls): Likewise.
5948 * c-parse.y (cast_expr): Likewise.
5949 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
5950 c_size_in_bytes, c_alignof, build_component_ref,
5951 build_indirect_ref, build_array_ref, convert_arguments,
5952 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
5953 * calls.c (initialize_argument_information): Likewise.
5954 * convert.c (convert_to_integer): Likewise.
5955 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
5956 * dwarfout.c (location_or_const_value_attribute,
5957 output_enumeration_type_die, output_structure_type_die,
5958 output_union_type_die, output_type): Likewise.
5959 * expr.c (safe_from_p, expand_expr): Likewise.
5960 * function.c (assign_parms): Likewise.
5961 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
5962 * tree.c (build_array_type, build_function_type,
5963 build_method_type, build_offset_type, build_complex_type): Likewise.
5964 * c-parse.c, c-parse.h: Regenerated.
5966 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5968 * config/c4x/rtems.h: Include config/rtems.h.
5970 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
5972 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
5973 decl is a FUNCTION_DECL
5975 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
5977 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
5978 function uses output registers. Don't save RP for leaf functions.
5979 Do save RP even if no epilogue.
5980 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
5981 (CALL_USED_REGISTERS): Unmark in registers.
5982 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
5985 2000-03-20 Geoff Keating <geoffk@cygnus.com>
5987 * config/rs6000/rs6000.md (bunordered): New expander.
5988 (bordered): New expander.
5989 (buneq): New expander.
5990 (bunge): New expander.
5991 (bungt): New expander.
5992 (bunle): New expander.
5993 (bunlt): New expander.
5994 (bltgt): New expander.
5996 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
5997 (ccr_bit_negated_p): New function.
5998 (print_operand): For %C, generate appropriate cror for UNEQ,
5999 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
6001 2000-03-20 Andreas Jaeger <aj@suse.de>
6003 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
6006 * tree.h (safe_for_unsave): Prototype.
6008 2000-03-20 Richard Henderson <rth@cygnus.com>
6010 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
6011 (combine_stack_adjustments_for_block): Don't allow sp references
6012 in the side of a set we're not fixing up.
6013 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
6014 after life_analysis.
6016 2000-03-20 Richard Henderson <rth@cygnus.com>
6018 * calls.c (expand_call): Don't bother generating tail call
6019 sequences if there are pending cleanups. Use
6020 expand_start_target_temps/expand_end_target_temps to elide
6021 cleanups created during sibcall expansion.
6023 2000-03-20 Geoff Keating <geoffk@cygnus.com>
6025 * configure.in: Set $IFS to a value if it doesn't already have one
6026 in the --enable-checking handling.
6027 * configure: Regenerate.
6029 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6031 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
6032 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
6035 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
6037 * jump.c (delete_noop_moves): Remove code attempting to
6038 combine stack adjustments.
6040 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6042 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
6043 * except.c (emit_cleanup_handler): Use them.
6044 (expand_end_all_catch): Likewise.
6045 * function.c (fixup_var_refs): Likewise.
6046 (expand_function_end): Clear catch_clauses_last.
6047 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
6048 * except.h (struct eh_status): New field x_catch_clauses_last.
6049 (catch_clauses_last): New define.
6051 * Makefile.in (tree.o): Depend on HASHTAB_H.
6052 * tree.c: Include hashtab.h.
6053 (struct type_hash): Remove next field.
6054 (TYPE_HASH_SIZE): Remove.
6055 (TYPE_HASH_INITIAL_SIZE): New define.
6056 (type_hash_table): Change type to htab_t.
6057 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
6058 mark_hash_entry): New functions.
6059 (init_obstacks): Allocate type hash.
6060 (type_hash_lookup): Use htab functions.
6061 (type_hash_add, mark_type_hash): Likewise.
6062 (dump_tree_statistics): Call print_type_hash_statistics.
6064 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6066 * rs6000/t-aix41: New file.
6068 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
6070 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
6072 * tm.texi (Driver): Fix typos and tweak entry for
6074 Move misplaced STRUCT_FORCE_BLK entry ...
6075 (Storage Layout): ... to here.
6076 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
6078 2000-03-19 Richard Henderson <rth@cygnus.com>
6080 * flow.c (delete_block): Delete the addr_vec along with the block.
6081 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
6084 * fold-const.c (extract_muldiv): Apply type check for defined
6085 overflow to multiply as well as divide.
6087 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
6089 2000-03-18 Mark Mitchell <mark@codesourcery.com>
6091 * emit-rtl.c (remove_unncessary_notes): Check that all
6092 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
6093 associated NOTE_BLOCK.
6094 * function.h (identify_blocks): Update comments.
6095 (reorder_blocks): Declare.
6096 * function.c (identify_blocks): Don't take paramters.
6097 (reorder_blocks): Don't take parameters.
6098 * loop.h (find_loop_tree_blocks): Remove.
6099 (unroll_block_trees): Likewise.
6100 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
6101 reorder_blocks instead of unroll_block_trees.h
6102 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
6103 * stmt.c (find_loop_tree_blocks): Remove.
6104 (unroll_block_trees): Likewise.
6105 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
6106 in whole-function mode.
6107 * tree.h (reorder_blocks): Remove declaration.
6109 * expr.c: Include intl.h.
6110 * Makefile.in (expr.o): Depend on intl.h.
6112 2000-03-18 Richard Henderson <rth@cygnus.com>
6114 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
6116 2000-03-18 Mark Mitchell <mark@codesourcery.com>
6118 * tree.h (tree_index): Remove enumerals for integer types.
6119 (integer_type_kind): New type.
6120 (integer_types): New variable.
6121 (char_type_node): Adjust.
6122 (signed_char_type_node): Likewise.
6123 (unsigned_char_type_node): Likewise.
6124 (short_integer_type_node): Likewise.
6125 (short_unsigned_type_node): Likewise.
6126 (integer_type_node): Likewise.
6127 (unsigned_type_node): Likewise.
6128 (long_integer_type_node): Likewise.
6129 (long_unsigned_type_node): Likewise.
6130 (long_long_integer_type_node): Likewise.
6131 (long_long_unsigned_type_node): Likewise.
6132 * tree.c (integer_types): New variable.
6133 (init_obstacks): Register it as a root.
6135 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
6137 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
6138 NEXT_INSN. Update last insn in chain.
6140 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
6142 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
6143 with TYPE_DECL_SUPPRESS_DEBUG set.
6145 2000-03-18 Richard Henderson <rth@cygnus.com>
6147 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
6149 2000-03-18 Richard Henderson <rth@cygnus.com>
6151 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
6152 care for HALF_PIC_P.
6153 (expander_call_insn_operand): Remove.
6154 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
6155 * i386.h (PREDICATE_CODES): Update.
6156 * i386.md (all call expanders): Remove predicates, remove special
6157 handling for half-pic.
6158 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
6159 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
6160 (sibcall_epilogue): New.
6162 2000-03-17 Richard Henderson <rth@cygnus.com>
6164 * rtlanal.c (single_set): Reject if the parallel has anything
6165 except SET or USE or CLOBBER.
6167 2000-03-17 Jeff Law <law@cygnus.com>
6168 Richard Henderson <rth@cygnus.com>
6170 * Makefile.in (OBJS): Add sibcall.o.
6172 * sibcall.c: New file.
6173 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
6174 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
6175 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
6176 Emit sibcall patterns when requested. Update all callers.
6177 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
6178 elimination seems feasable.
6179 * final.c (leaf_function_p): Sibling calls don't discount being
6181 * flow.c (HAVE_sibcall_epilogue): Provide default.
6182 (find_basic_blocks_1): Sibling calls don't throw.
6183 (make_edges): Make edge from sibling call to EXIT.
6184 (propagate_block): Don't remove sibcall_epilogue insns.
6185 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
6186 (sibcall_epilogue): New.
6187 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
6188 (identify_blocks_1): Likewise. Break out from ...
6189 (identify_blocks): ... here.
6190 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
6191 (reorder_blocks): ... here.
6192 (init_function_for_compilation): Zap prologue/epilogue as varrays.
6193 (record_insns): Extend a varray instead of mallocing new memory.
6194 (contains): Read a varray not array of ints.
6195 (sibcall_epilogue_contains): New.
6196 (thread_prologue_and_epilogue_insns): Emit and record
6197 sibcall_epilogue patterns.
6198 (init_function_once): Allocate prologue/epilogue varrays.
6199 * genflags.c (gen_insn): Treat sibcall patterns as calls.
6200 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
6202 (save_for_inline_nocopy): ... here.
6203 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
6205 (expand_inline_function): ... here.
6206 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
6207 (subst_constants): Handle 'n' formats.
6208 * jump.c (jump_optimize_minimal): New.
6209 (jump_optimize_1): New arg `minimal'; update callers. Elide most
6210 optimizations if it's set.
6211 * rtl.c (copy_rtx): Do copy jump & call for insns.
6212 * rtl.h (struct rtx_def): Document use of jump and call for insns.
6213 (SIBLING_CALL_P): New.
6214 (sibcall_use_t): New.
6215 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
6216 Invoke optimize_sibling_and_tail_recursive_calls.
6217 * tree.c (lang_safe_for_unsave): New.
6218 (safe_for_unsave): New.
6219 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
6221 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
6222 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
6223 (*sibcall_osf_1, *sibcall_value_osf_1): New.
6225 2000-03-17 Mark Mitchell <mark@codesourcery.com>
6227 * objc/objc-act.c (encode_method_prototype): Pass types, not
6228 PARM_DECLs, to int_size_in_bytes.
6230 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
6232 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
6234 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6235 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
6237 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6239 * Clean up usages of TREE_INT_CST_LOW.
6240 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
6241 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
6243 * c-tree.h (min_precision): Move declaration to here.
6244 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
6245 (build_unary_op, add_pending_init): Use bit_position.
6246 (pending_init_member, process_init_element): Likewise.
6247 (really_start_incremental_init, push_init_level, pop_init_level):
6248 Don't make copies of nodes or modify them in place, use consistent
6249 types when tracking positions, and use tree routines computations.
6250 (set_init_index, output_init_element): Likewise.
6251 (output_pending_init_elements, process_init_element): Likewise.
6252 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
6253 tree_low_cst and int_bit_position; also minor cleanup.
6254 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
6255 (print_cst_octal): Precision is unsigned.
6256 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
6257 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
6258 (simple_type_align_in_bits): Result is unsigned int.
6259 Use tree_int_low_cst and host_integerp.
6260 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
6261 (field_byte_offset): Result is HOST_WIDE_INT.
6262 Change types of internal variables so alignments are unsigned int,
6263 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
6264 Use host_integerp, tree_low_cst, and int_bit_position.
6265 (add_bit_offset_attribute): Likewise.
6266 (add_data_member_location_attribute): Use tree_cst_low.
6267 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
6268 (add_bit_size_attribute): Use tree_low_cst.
6269 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
6270 * dwarfout.c: Similar changes to dwarf2out.c.
6271 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
6272 * genoutput.c (n_occurences): Return -1 for null string.
6273 (strip_whitespace): Accept null string and make into function.
6274 (scan_operands): Reflect above changes.
6275 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
6276 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
6277 * ssa.c (rename_registers): Add missing cast of arg to bzero.
6278 * tree.c (int_size_in_bytes): Check for too big to represent.
6279 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
6280 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
6282 (min_precision): Delete from here.
6283 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
6284 and int_bit_position.
6285 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
6286 (encode_method_def): Likewise.
6287 (build_ivar_list_initializer): Use int_bit_position.
6288 (generate_shared_structures): Convert size.
6289 (encode_type, encode_complete_bitfield): Use integer_zerop.
6290 (encode_bitfield): Use tree_low_cst and int_bit_position.
6292 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6294 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
6296 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6298 * call.c (special_function_p): It is only malloc if it returns
6301 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6303 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
6304 (C33_FLAG, TARGET_C3X): Add macros.
6305 (TARGET_SWITCHES): Add -m33 option.
6306 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
6308 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6310 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
6311 (PARALLEL_PACK_FLAG): Delete.
6312 (TARGET_SWITCHES): Update.
6313 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
6315 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6317 * fold-const.c (fold): Fix a few cases when the returned result
6318 is not of the same type as the input.
6320 2000-03-16 Nick Clifton <nickc@cygnus.com>
6322 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
6325 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6327 * libgcc2.h: Move prototypes above macros with the same name.
6328 Wrap some function prototypes in the conditional which indicates
6329 whether they are supported, i.e. "BITS_PER_UNIT == 8".
6331 2000-03-16 Richard Henderson <rth@cygnus.com>
6333 * calls.c: Revert last two changes.
6335 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
6337 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
6338 has exponent 0 is a zero.
6340 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
6341 HASH may already be nonzero. Add code/mode into hash value
6342 immediately after repeat label.
6343 (cselib_lookup): Don't leave the hash table in an inconsistent
6344 state before a hash lookup operation.
6346 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
6348 * i386.md (all HI and QI mode non-move patterns): Conditionize
6349 by TARGET_[HQ]IMODE_MATH.
6350 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
6351 x86_promote_qi_regs): Declare.
6352 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
6353 TARGET_PROMOTE_QI_REGS): New macros.
6354 (PROMOTE_MODE): New macro.
6355 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
6356 x86_promote_qi_regs): New global variables.
6358 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
6360 * calls.c (emit_library_call_value_1): Break out from ...; handle
6361 VOIDmode function calls too.
6362 (emit_library_call_value): ... here.
6363 (emit_library_call): Implement by calling emit_library_call_value_1.
6365 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
6367 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
6368 Update arg_space_so_far on stack adjustments.
6369 (emit_library_call, emit_library_call_value): Likewise; take into
6370 account arg_space_so_far and pending_stack_adjust when calculcating
6373 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
6375 * flow.c: Move all basic block reordering code into its own file.
6376 (create_basic_block): Externalize.
6377 * bb-reorder.c: New file. Copy all basic block reordering code from
6378 flow.c to this file.
6379 (reorder_basic_blocks): Fix fencepost error in for-loop.
6380 (reorder_basic_blocks): Remove braces from single statement for-loops.
6381 * basic-block.h: Add declaration for create_basic_block.
6382 * Makefile.in: Add rules for bb-reorder.o.
6384 2000-03-16 Neil Booth <NeilB@earthling.net>
6386 * cppinit.c (handle_option): Implement #unassert directive
6387 as -A- command line option.
6388 (print_help): Update.
6389 * cpptexi.c: Update.
6391 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
6393 * md.texi (Standard Names): Document `jump'.
6395 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
6397 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
6400 2000-03-15 Geoff Keating <geoffk@cygnus.com>
6402 Merge changes from newppc-branch onto trunk.
6404 2000-03-15 Geoff Keating <geoffk@cygnus.com>
6406 * rs6000.c (toc_hash_table): Update for new hash table functions.
6407 (toc_hash_function): Likewise.
6408 (toc_hash_eq): Likewise.
6409 (toc_hash_mark_entry): Likewise.
6410 (toc_hash_mark_table): Likewise.
6411 (output_toc): Likewise.
6412 (rs6000_add_gc_roots): Likewise.
6414 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6416 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
6417 (AR_FLAGS_FOR_TARGET): here. New macro.
6419 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
6421 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
6422 fpmem_operand) Delete.
6424 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
6425 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
6426 (rs6000_save_machine_status, rs6000_restore_machine_status,
6427 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
6428 references to above variables.
6429 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
6430 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
6431 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
6432 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
6433 (XER_REGNO_P, XER_REGNO): New.
6434 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
6435 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
6436 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
6438 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
6439 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
6440 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
6442 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6444 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
6445 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
6446 * rs6000.h: from here.
6448 * rs6000-protos.h (rs6000_select_section): Provide prototype.
6449 (rs6000_select_rtx_section): Likewise.
6450 (rs6000_encode_section_info): Likewise.
6451 (sdata_section): Likewise.
6452 (sdata2_section): Likewise.
6453 (sbss_section): Likewise.
6454 * sysv4.h (rs6000_select_section): Delete prototype.
6455 (rs6000_select_rtx_section): Likewise.
6456 (rs6000_encode_section_info): Likewise.
6457 (sdata_section): Likewise.
6458 (sdata2_section): Likewise.
6459 (sbss_section): Likewise.
6460 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
6462 * sysv4.h: Delete various unnecessary #undef's and put a comment
6463 on the remaining ones.
6464 Change various comments according to coding standard.
6466 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
6468 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
6469 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
6470 (CR0_REGNO_P) Remove.
6471 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
6472 setup_incoming_varargs, mtcrf_operation, print_operand,
6473 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
6474 Use the above macros.
6476 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
6478 * config/rs6000/rs6000.md: Added a new alternative for each
6479 pattern that had a 'x' alternative but no 'y' alternative.
6480 Added a new split for each of the above patterns.
6482 2000-02-18 Geoff Keating <geoffk@cygnus.com>
6484 * aix41.h (ASM_CPU_SPEC): Delete.
6485 (CPP_CPU_SPEC): Delete.
6487 * aix.h (RS6000_OUTPUT_BASENAME): Define.
6488 (ASM_OUTPUT_LABEL): Define.
6489 (ASM_GLOBALIZE_LABEL): Define.
6490 (STRIP_NAME_ENCODING): Define.
6491 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
6492 (STRIP_NAME_ENCODING): Don't define.
6493 (ASM_OUTPUT_LABEL): Don't define.
6494 (ASM_GLOBALIZE_LABEL): Don't define.
6495 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
6496 names, and ASM_OUTPUT_LABEL to output labels, rather than
6498 (ASM_OUTPUT_LABEL): Define.
6499 (ASM_OUTPUT_INT): Use assemble_name.
6500 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
6501 (STRIP_NAME_ENCODING): Don't undefine first.
6502 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
6504 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
6505 specified with 'asm' even with -fleading-underscore.
6506 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
6507 (output_epilog): Likewise.
6508 (output_toc): Likewise.
6509 * tramp.asm: Handle -fleading-underscore correctly.
6511 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
6513 (nonlocal_goto_receiver): Delete.
6514 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
6516 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
6517 (SET_ASM_OP): Define.
6518 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
6520 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
6523 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
6524 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
6526 * rs6000.h: Add 'u' to more constants.
6528 2000-02-18 David Edelsohn <edelsohn@gnu.org>
6530 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
6532 2000-02-15 David Edelsohn <edelsohn@gnu.org>
6534 * rs6000.c (reg_or_u_cint_operand): New function.
6535 (logical_operand): Handle 64-bit hosts.
6536 (logical_u_operand): New function.
6537 (non_logical_cint_operand): Handle 64-bit hosts.
6538 (non_logical_u_cint_operand): New function.
6539 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
6540 (PREDICATE_CODES): Define new functions.
6541 * rs6000-protos.h: Declare new functions.
6542 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
6543 (movdi_64): Bracket code intended for 64-bit hosts. Create
6544 CONST_DOUBLE for 32-bit values.
6545 (scc insns): Generate DImode compares.
6546 (mfcr insns): Create DImode versions.
6547 (sge matchers): New patterns.
6549 2000-02-15 Gabriel Paubert <paubert@iram.es>
6551 * rs6000.md: Correct instructions length attributes and
6552 constraints on unsigned compare instructions.
6553 (*ne0): Disable for PowerPC64.
6555 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6557 * rs6000.c (output_function_profiler): Use .long for a 32-bit
6558 quantity, fix profile1.C test failure under -fPIC.
6560 * rs6000.c: Add 'u' to many constants to suppress warnings.
6561 (constant_pool_expr_1): Make static.
6562 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
6563 * rs6000.h: Add 'u' to many constants to suppress warnings.
6565 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
6566 for the start of the TOC, instead of LCTOC..0.
6567 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
6569 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
6570 (load_toc_aix_di): Use LCTOC..1.
6572 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
6573 * rs6000.c (rs6000_legitimize_address): New function from
6574 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
6575 symbols in the constant pool that really are TOC references.
6576 (print_operand_address): For ELF, write TOC offsets under
6577 -fPIC as subtractions in the insn.
6578 (output_toc): For ELF, define symbols in TOC as normal labels,
6580 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
6581 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
6582 (create_TOC_reference): Prototype only when RTX_CODE is defined.
6583 * rs6000.md (movsi): Only use create_TOC_reference on
6584 symbols in the constant pool that really are TOC references.
6586 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
6587 * rs6000.c (rs6000_reorg): Delete.
6588 * rs6000-protos.h (rs6000_reorg): Delete.
6590 2000-02-09 Geoff Keating <geoffk@cygnus.com>
6592 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
6594 * aix.h (SETUP_FRAME_ADDRESSES): Define.
6595 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
6596 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
6597 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
6598 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
6599 rs6000_aix_emit_builtin_unwind_init.
6600 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
6601 rs6000_emit_eh_toc_restore on AIX.
6602 (return_eh_si): Use r2.
6603 (return_eh_di): Use r2.
6605 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
6606 since we're breaking binary compatibility anyway.
6608 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
6610 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
6611 constant_pool_expr_p): Declare them.
6612 (constant_pool_expr_p): Declare it.
6613 * config/rs6000/rs6000.c (toc_label_name): Define.
6614 (rs6000_override_options): Set toc_label_name.
6615 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
6616 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
6617 uses_TOC): New functions.
6618 (print_operand): Delete old '*' case.
6619 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
6620 and strip off rtl for TOC before calling output_addr_const.
6621 (rs6000_emit_load_toc_table): Use toc_label_name.
6622 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
6624 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
6625 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
6626 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
6627 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
6628 into explicit TOC_REGISTER offsets.
6629 (TOC_REGISTER): New macro.
6630 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
6631 TARGET_TOC to reference TOC_REGISTER.
6632 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
6633 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
6634 uses_TOC before emitting label references.
6636 2000-02-05 Geoff Keating <geoffk@cygnus.com>
6638 * rs6000.md (stack_tie): Fix warning.
6640 * eabi-ctors.c: Use 'asm' names for the start/end variables,
6641 to handle -fleading-underscore.
6642 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
6643 (USER_LABEL_PREFIX): New macro.
6644 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
6645 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
6646 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
6647 call-linux can use the same multilibs.
6648 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
6649 and call-linux multilibs. Do multilib with -fleading-underscore.
6650 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
6651 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
6654 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
6655 have MASK_SOFT_FLOAT set.
6656 (CPP_FLOAT_DEFAULT_SPEC): New macro.
6657 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
6658 CPP_FLOAT_DEFAULT_SPEC.
6660 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
6661 * rs6000.md: Whitespace change.
6662 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
6663 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
6665 2000-02-05 Geoff Keating <geoffk@cygnus.com>
6667 * rs6000.md (eh_epilogue): New expander.
6668 (eh_reg_restore): New expand/split/insn combination.
6669 (return_eh_si): New insn.
6670 (return_eh_di): New insn.
6672 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
6673 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
6674 * eabi-ctors.c (__do_global_ctors): Register this object's
6675 frame. Clean up. Call atexit() after the constructors.
6676 (__do_global_dtors): Deregister this object's frame. Clean up.
6677 Allow for recursive calls to exit().
6678 * rs6000.c (fixuplabelno): New variable.
6679 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
6680 TARGET_RELOCATABLE, it slows down exec() under linux.
6681 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
6683 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
6684 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
6685 (ASM_OUTPUT_DWARF_DELTA2): New macro.
6686 (ASM_OUTPUT_DWARF_DELTA4): New macro.
6687 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
6688 (ASM_OUTPUT_DWARF_ADDR): New macro.
6689 (ASM_OUTPUT_DWARF_DATA4): New macro.
6690 (ASM_OUTPUT_DWARF_DATA2): New macro.
6691 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
6692 (ASM_OUTPUT_DWARF_OFFSET): New macro.
6693 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
6695 2000-02-03 Geoff Keating <geoffk@cygnus.com>
6697 * rs6000.c (rs6000_sr_alias_set): New variable.
6698 (rs6000_override_options): Initialise rs6000_sr_alias_set.
6699 (rs6000_emit_stack_tie): New function.
6700 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
6701 in a way that dwarf2out can understand.
6702 (rs6000_frame_related): New function.
6703 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
6704 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
6705 Use rs6000_emit_stack_tie when needed.
6706 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
6707 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
6708 * rs6000.md (stack_tie): New insn.
6709 (return_internal_si): Allow return value to be in the count
6711 (return_internal_di): Likewise.
6713 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
6715 2000-02-03 Geoff Keating <geoffk@cygnus.com>
6717 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
6719 2000-01-31 Geoff Keating <geoffk@cygnus.com>
6721 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
6723 * rs6000.md (stmw): Use the right POWER opcode.
6726 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6728 * rs6000-protos.h: New file.
6730 * rs6000.c: Include tm_p.h. Fix compile time warnings.
6732 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
6735 * sysv4.h: Likewise.
6737 2000-01-28 Geoff Keating <geoffk@cygnus.com>
6739 * ../../configure.in: Delete powerpcle-*-winnt*
6740 and powerpcle-*-pe|powerpcle-*-cygwin*.
6741 * ../../configure: Regenerated.
6743 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
6744 (TARGET_WINDOWS_NT): Delete.
6746 (CALL_NT_DLLIMPORT): Delete.
6747 Delete NT-specific code.
6748 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
6751 * nt-ci.asm: Delete.
6752 * nt-cn.asm: Delete.
6753 * ntstack.asm: Delete.
6755 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6757 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
6758 (ASM_FILE_START): Likewise.
6759 (ASM_DECLARE_FUNCTION_NAME): Likewise.
6760 (ASM_OUTPUT_LABELREF): Likewise.
6761 (ASM_OUTPUT_SKIP): Likewise.
6762 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
6763 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
6764 (ASM_OUTPUT_CASE_LABEL): Likewise.
6765 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
6766 (ASM_OUTPUT_ASCII): Likewise.
6768 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
6770 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
6771 reload_toc_labelno for non-prologue TOC reloads. Also, don't
6772 increment rs6000_pic_labelno here.
6773 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
6774 and increment rs6000_pic_labelno here.
6776 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
6778 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
6779 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
6780 allocation knows (reg) is dead before the insn.
6782 2000-01-21 Geoff Keating <geoffk@cygnus.com>
6784 * rs6000.md (movsi_to_cr): Correct typo in output template.
6786 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
6788 * rs6000.c (rs6000_pic_labelno): Always define.
6789 (rs6000_pic_func_labelno): Delete.
6790 (lmw_operation): Check for a zero base register,
6791 which doesn't mean what we want.
6792 (stmw_operation): New function.
6793 (print_operand): Define new 'l' modifier.
6794 (rs6000_stack_info): We must save all 64 bits of the registers
6795 if TARGET_POWERPC64.
6796 (rs6000_output_load_toc_table): Delete.
6797 (rs6000_emit_load_toc_table): New function.
6798 (rs6000_allocate_stack_space): Delete.
6799 (rs6000_emit_allocate_stack): New function.
6800 (rs6000_emit_prologue): New function.
6801 (output_prolog): Use rs6000_emit_prologue.
6802 (rs6000_emit_epilogue): Change a few variable names to be
6803 more accurate. Restore all 64 bits of the registers if
6804 TARGET_POWERPC64. Only restore the FP registers which were used
6805 if they are being saved/restored one-at-a-time.
6806 (output_mi_thunk): Delete inefficient code generation.
6807 (output_function_profiler): Don't use rs6000_output_load_toc_table.
6808 * rs6000.h: Declare rs6000_emit_load_toc_table,
6809 rs6000_allocate_stack_space, stmw_operation. Don't declare
6810 rs6000_output_load_toc_table.
6811 * rs6000.md (elf_high): Allow register 0, but discourage it
6813 (elf_low): Support loading into register 0.
6814 (load_toc_aix_si): New pattern.
6815 (load_toc_aix_di): New pattern.
6816 (load_toc_v4_pic_si): New pattern.
6817 (load_toc_v4_pic_di): New pattern.
6818 (load_toc_v4_PIC_1): New pattern.
6819 (load_toc_v4_PIC_1b): New pattern.
6820 (load_toc_v4_PIC_2): New pattern.
6821 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
6822 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
6823 (prologue): New expander.
6824 (movesi_from_cr): New pattern.
6825 (stmw): New pattern.
6826 (save_fpregs_si): New pattern.
6827 (save_fpregs_di): New pattern.
6829 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6831 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
6836 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6838 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
6840 (movsi_got_internal): Likewise.
6841 (movsi_got_internal+1): Likewise.
6842 (set_sp): 'unspec 7' does a SImode clobber.
6844 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6846 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
6847 allocate a stack temporary.
6848 (floatsidf2_internal): Likewise.
6849 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
6851 (floatunssidf2): Don't use the fpmem "register", just
6852 allocate a stack temporary.
6853 (floatunssidf2_internal): Likewise.
6854 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
6856 (floatsidf2_loadaddr): Delete.
6857 (floatsidf2_store1): Delete.
6858 (floatsidf2_store2): Delete.
6859 (floatsidf2_load): Delete.
6860 (fix_truncdfsi2): Don't use the fpmem "register", just
6861 allocate a stack temporary.
6862 (fix_truncdfsi2_internal_si): Delete.
6863 (fix_truncdfsi2_internal_di): Delete.
6864 (fix_truncdfsi2_internal): New insn.
6865 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
6866 (fix_truncdfsi2_store): Delete.
6867 (fix_truncdfsi2_load): Delete.
6868 (fctiwz): Produce gen_fctiwz.
6870 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
6872 * eabi.h (INVOKE__main): Define.
6873 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
6875 (rs6000_emit_prologue): Likewise.
6876 * rs6000.h (struct rs6000_stack): Don't keep track of whether
6877 this is the main program.
6879 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6881 * rs6000.c (rs6000_va_arg): Delete some unused variables.
6883 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6885 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
6886 goes after the argument.
6888 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6890 * rs6000.md: Document 'unspec' values used.
6891 (epilogue): New expander.
6892 (movesi_to_cr_one): New expander.
6893 (movesi_to_cr and following): New pattern.
6895 (return_internal_si): New pattern.
6896 (return_internal_di): New pattern.
6897 (return_and_restore_fpregs_si): New pattern.
6898 (return_and_restore_fpregs_di): New pattern.
6899 * rs6000.h: Declare new functions.
6900 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
6901 rather than rs6000_calls_p.
6902 (rs6000_makes_calls): Delete.
6903 (lmw_operation): New function.
6904 (mtcrf_operation): New function.
6905 (rs6000_emit_epilogue): New function.
6906 (output_epilog): Call rs6000_emit_epilogue and final if
6907 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
6909 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6911 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
6912 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
6913 * aix.h (SUBTARGET_SWITCHES): Document switches.
6914 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
6915 sched-prolog and sched-epilog the same. Document all the
6917 (TARGET_OPTIONS): No longer allow -mdebug-.
6919 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6921 * rs6000.h (ASM_FILE_END): Move to aix.h.
6922 (EXTRA_SECTIONS): Move to aix.h.
6923 (READONLY_DATA_SECTION): Move to aix.h.
6924 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
6925 (SELECT_SECTION): Move to aix.h.
6926 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
6927 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
6928 (LINK_REGISTER_REGNUM): New definition.
6929 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
6930 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
6932 * sysv4.h: Delete the code between the inclusion of rs6000.h
6934 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
6935 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
6936 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
6937 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
6938 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
6939 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
6940 (fix_truncdfsi2_internal_di): New pattern.
6941 (fix_truncdfsi2_store): The second arg here is Pmode too.
6942 (fix_truncdfsi2_load): The second arg here is Pmode too.
6943 (tablejumpdi): Now that switch tables hold only SImode values,
6944 gcc needs to know how to add them to the pc which is DImode.
6945 * rs6000.c (rs6000_stack_info): Use symbolic name for
6946 LINK_REGISTER_REGNUM.
6947 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
6948 (output_toc): Delete unused variables s1 and s2.
6949 (output_ascii): Use fputs not fprintf on a variable string.
6951 2000-01-07 David Edelsohn <edelsohn@gnu.org>
6953 * rs6000.c (processor_target_table): Add power3 as alias for 630.
6954 * aix43.h: Revert Aug 2 change.
6955 (HAS_INIT_SECTION): Define, not visible yet.
6956 (LD_INIT_SWITCH): Define, not visible yet.
6957 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
6959 2000-01-04 Joel Sherrill (joel@OARcorp.com>
6961 * config/rs6000/rtems.h: Include config/rtems.h.
6963 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6965 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
6966 (SLOW_UNALIGNED_ACCESS): Define.
6967 (CASE_VECTOR_MODE): Always use 32-bit offsets.
6968 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
6969 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
6970 (toc_section): Likewise and .toc pseudo-op.
6971 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
6973 (TEXT_SECTION_ASM_OP): Likewise.
6974 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
6977 1999-12-17 Jakub Jelinek <jakub@redhat.com>
6979 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
6980 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
6983 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6985 * rs6000.h: Move more stuff from here...
6987 * sysv4.h: Cleanup accordingly.
6988 * netware.h: Likewise
6990 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6992 * rs6000.h: Continue cleanup.
6995 * netware.h: Likewise.
6997 * sysv4.h: Likewise.
6998 * win-nt.h: Likewise.
7000 * rs6000.h (TARGET_SWITCHES): Add descriptions.
7001 (TARGET_OPTIONS): Likewise.
7003 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
7004 (SUBTARGET_OPTIONS): Likewise.
7006 * rs6000.md: Fix compile time warnings.
7008 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7010 vxworks patches from the Cygnus tree originally by
7011 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
7012 <vmakarov@cygnus.com>.
7013 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
7014 (ENDFILE_SPEC): Likewise.
7015 (LIB_VXWORKS_SPEC): New macro.
7016 (STARTFILE_VXWORKS_SPEC): New macro.
7017 (ENDFILE_VXWORKS_SPEC): New macro.
7018 (LINK_START_VXWORKS_SPEC): New macro.
7019 (LINK_OS_VXWORKS_SPEC): New macro.
7020 (CPP_OS_VXWORKS_SPEC): New macro.
7021 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
7022 * vxppc.h: Rewrite to use proper configuration method.
7023 * vxppcle.h: New file.
7024 * ../../configure.in: Add powerpcle-wrs-vxworks*.
7025 * ../../configure: Rebuilt.
7027 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7029 Lots of changes to rs6000.h, sysv4.h, aix.h,
7030 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
7031 with the aim that rs6000.h is the first header
7032 included and the others override it.
7035 * x-aix41-gld: Remove.
7037 * x-aix41: Remove target-specific switches, and don't specify
7038 -Wl,-bbigtoc as we don't need it any more.
7039 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
7040 Use t-aix43 for AIX 4.3 and above.
7041 * ../../configure: Regenerated.
7043 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
7044 options, that don't do anything yet.
7045 (MASK_SCHED_PROLOG): New macro.
7046 (MASK_SCHED_EPILOG): New macro.
7047 (TARGET_SCHED_PROLOG): New macro.
7048 (TARGET_SCHED_EPILOG): New macro.
7050 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7052 * rs6000.c: Correct comment, the `minimal' TOCs are actually
7053 one per translation unit, not one per function.
7054 (output_toc): Also do duplicate constant elimination
7055 for per-translation-unit TOCs.
7057 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
7058 a comment explaining _exactly_ when this pattern gets used.
7059 (builtin_setjmp_receiver): New pattern for better clarity.
7060 (init_v4_pic): Move it into a section dealing with TOC registers.
7062 1999-12-30 Geoff Keating <geoffk@cygnus.com>
7064 * rs6000.c (toc_hash_table): New variable.
7065 (rs6000_hash_constant): New function.
7066 (toc_hash_function): New function.
7067 (toc_hash_eq): New function.
7068 (toc_hash_mark_entry): New function.
7069 (toc_hash_mark_table): New function.
7070 (output_toc): Don't output duplicate TOC entries in
7072 (rs6000_add_gc_roots): Add the hash table as a GC root.
7073 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
7074 where they clearly shouldn't be. This may need to be fixed
7075 later when there is a GNU ar for AIX.
7076 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
7077 Don't define BOOT_LDFLAGS as it is now not necessary.
7079 1999-12-29 Geoff Keating <geoffk@cygnus.com>
7081 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
7082 for va_list on AIX. Use unsigned_char_type_node rather than
7083 constructing our own version on svr4.
7085 1999-12-17 Geoff Keating <geoffk@cygnus.com>
7087 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
7088 since patently it's not.
7090 1999-12-08 Geoff Keating <geoffk@cygnus.com>
7092 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
7093 define_expand/define_insn pair, and handle restore of the
7094 SVR4 -fpic register.
7096 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
7098 * acconfig.h (HAVE_GAS_WEAK): New define.
7099 * configure.in (assembler weak support): Check for .weak support.
7100 * config.in, configure: Rebuilt.
7101 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
7102 HAVE_GAS_WEAK is defined.
7104 2000-03-15 Nick Clifton <nickc@cygnus.com>
7106 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
7109 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
7111 * cppfiles.c (open_include_file): New function.
7112 (find_include_file, cpp_read_file): Use it.
7114 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
7116 * cpphash.c (dump_hash_helper): Take the slot, not the element.
7118 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
7120 * flow.c (verify_flow_info): Check for unconditional return.
7122 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
7124 * config/ia64/ia64.md (restore_stack_nonlocal): New.
7125 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
7126 (__ia64_restore_stack_nonlocal): New.
7127 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
7129 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7131 * cpphash.c (collect_formal_parameters): Do not complain about
7132 parameter names that just start with `__VA_ARGS__'.
7134 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
7136 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
7137 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
7138 * i386.c (pentiumpro_cost): Set mul cost to 4.
7139 (x86_use_movx): Set for PPro.
7141 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
7143 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
7144 STACK_BOUNDARY for empty frames now.
7146 2000-03-14 Mark Mitchell <mark@codesourcery.com>
7148 * stor-layout.c (layout_union): Remove.
7149 (layout_union_field): New function, split out from layout_union.
7150 (finish_union_layout): Likewise.
7151 (layout_field): Handle unions by calling layout_union_field.
7152 (finish_record_layout): Handle unions.
7153 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
7154 QUAL_UNION_TYPE handling.
7156 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
7158 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
7159 end of basic block is jump_insn, not barrier; use create_basic_block
7160 instead of creating basic block by hand.
7162 2000-03-14 Jason Eckhardt <jle@cygnus.com>
7164 * flow.c (reorder_basic_blocks): Account for barriers when writing
7165 over NEXT_INSN (last_bb->end).
7166 (verify_flow_info): Add check for missing barriers.
7168 2000-03-14 Greg McGary <gkm@gnu.org>
7170 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
7171 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
7172 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
7173 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
7174 __unbounded, __unbounded__): New keywords.
7175 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
7176 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
7177 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
7179 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
7181 * cselib.h: New file.
7182 * alias.c: Include "cselib.h".
7183 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
7184 MEMs as two new arguments.
7185 (get_addr): New static function.
7186 (find_base_term): Handle VALUEs.
7187 (memrefs_conflict_p): Likewise.
7188 (true_dependence): Call get_addr on the addresses.
7189 Call fixed_scalar_and_varying_struct_p with addresses that have been
7190 passed through get_addr and canon_rtx.
7191 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
7192 with true_dependence.
7193 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
7194 * loop.c: Include "cselib.h".
7195 (load_mems): Process extended basic block that enters the loop with
7196 cselib. Use that information to change initialization of the shadow
7197 register so that a constant equivalence is seen by later passes.
7198 * reload1.c: Include "cselib.h".
7199 (reload_cse_invalidate_regno): Delete function.
7200 (reload_cse_mem_conflict_p): Likewise.
7201 (reload_cse_invalidate_mem): Likewise.
7202 (reload_cse_invalidate_rtx): Likewise.
7203 (reload_cse_regno_equal_p): Likewise.
7204 (reload_cse_check_clobber): Likewise.
7205 (reload_cse_record_set): Likewise.
7206 (reg_values): Delete static variable.
7207 (invalidate_regno_rtx): Likewise.
7208 (reload_cse_delete_noop_set): New static function.
7209 (reload_cse_simplify): New static function, broken out of
7211 (reload_cse_noop_set_p): Delete unused argument INSN.
7212 Just call rtx_equal_for_cselib_p on set source and destination.
7213 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
7214 reload_cse_delete_noop_set. Delete code to keep track of values; use
7215 cselib functions instead. Delete code to push/pop obstacks.
7216 (reload_cse_simplify_set): Use cselib to find equivalent values.
7217 Delete code to push/pop obstacks.
7218 (reload_cse_simplify_operands): Likewise.
7219 * rtl.def (VALUE): New rtx code.
7220 * rtl.h (union rtunion_def): New elt rt_cselib.
7221 (X0CSELIB, CSELIB_VAL_PTR): New macros.
7222 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
7223 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
7224 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
7225 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
7226 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
7227 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
7228 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
7229 cselib_record_set, cselib_record_sets): New static functions.
7230 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
7231 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
7232 references_value_p): New functions.
7233 (MAX_USELESS_VALUES, REG_VALUES): New macros.
7234 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
7235 n_useless_values, reg_values, callmem, cselib_obstack,
7236 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
7237 New static variables.
7238 * varray.h (union varray_data_tag): New elt te.
7239 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
7240 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
7243 2000-03-14 Nick Clifton <nickc@cygnus.com>
7245 * gcc.c (do_spec_1): Catch the case where %* is used in a
7246 substitution pattern, but it has not been initialised.
7247 Issue a meaningful error message if an unrecognised operator
7248 is encountered in a spec string.
7250 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
7252 * function.c (prepare_function_start): Correctly initialize
7253 cfun->stack_alignment_needed.
7255 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
7257 * cppfiles.c (find_include_file): Don't assume nshort is a
7260 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
7262 * configure.in (hppa configurations): Add pa32-regs.h to the
7263 list of tm files as appropriate.
7264 * configure: Rebuilt.
7265 * pa.c (compute_frame_size): Remove explicit knowledge about FP
7267 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
7268 (fmpyaddoperands, fmpysuboperands): Likewise.
7269 * pa.h: Remove various definitions which depend on knowing
7270 how registers are numbered.
7271 * pa32-regs.h: New file with PA32 register numbering specific
7274 2000-03-14 Richard Henderson <rth@cygnus.com>
7276 * regmove.c (combine_stack_adjustments): New.
7277 (stack_memref_p, single_set_for_csa): New.
7278 (free_csa_memlist, record_one_stack_memref): New.
7279 (try_apply_stack_adjustment): New.
7280 (combine_stack_adjustments_for_block): New.
7281 * rtl.h (combine_stack_adjustments): Declare.
7282 * toplev.c (rest_of_compilation): Call it.
7284 * i386.md: Revert 2000-01-16 change.
7286 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7288 * gccbug.in: Add web category, gcc specific classes.
7290 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
7292 * stor-layout.c (finalize_record_size): Fix typo.
7294 2000-03-14 Stan Shebs <shebs@apple.com>
7296 * c-typeck.c (c_alignof): Error on incomplete types.
7297 * extend.texi (Alignment): Document this.
7299 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
7301 * cppfiles.c: Include mkdeps.h.
7302 (find_include_file, read_include_file): Remove _cpp_ prefix
7303 from name, make static.
7304 (_cpp_execute_include): New function, broken out of
7307 * cpplib.c: Don't include mkdeps.h.
7308 (struct directive): Remove type field. Reorder entries. The
7309 function takes only one argument.
7310 (struct if_stack): Make type field an int.
7311 (directive_table): Rename to dtable. Generate it, the
7312 prototypes of the directive handlers, and the enum for the
7313 directive numbers, from a template macro.
7314 (do_ifndef, do_include_next, do_import): New functions.
7315 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
7316 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
7317 do_ident, do_assert, do_unassert, do_sccs): Take only one
7319 (do_sccs): Define always, but alter behavior based on
7321 (_cpp_handle_directive, consider_directive_while_skipping):
7322 Restructure for new directive table layout.
7324 (pass_thru_directive): Take a directive number, not a pointer
7325 to a struct directive.
7326 (parse_include): New function, broken out of do_include.
7327 (do_include, do_import, do_include_next): Use parse_include
7328 and _cpp_execute_include.
7329 (do_elif, do_else): Test for T_ELSE specifically when checking
7330 for #elif/#else after #else.
7331 (parse_ifdef): New function, broken out of do_ifdef.
7332 (validate_else): Expect a name arg without a leading #.
7333 (if_directive_name): Delete.
7334 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
7335 directive handlers with only one argument.
7337 * cpphash.h: Update prototypes.
7338 (enum node_type): Remove entries for directives.
7339 * Makefile.in: Update dependencies.
7341 * cpphash.c (dump_hash_helper): Only dump nodes of type
7342 T_MACRO. Emit a newline after each definition.
7344 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7346 * gccbug.in: New file.
7347 * configure.in (all_outputs): Add gccbug.
7348 * Makefile.in (install-common): Install gccbug.
7349 (GCCBUG_INSTALL_NAME): New variable.
7350 * configure: Rebuilt.
7352 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
7354 * function.c (put_var_into_stack): Use type_for_mode to calculate
7355 part_type. Use MEM_SET_IN_STRUCT_P.
7356 * expr.c (store_field): Handle CONCAT.
7357 (store_constructor): Use fields_length.
7358 * tree.c (fields_length): New fn.
7359 * tree.h: Declare it.
7361 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
7363 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
7364 (cpplex.o): New target.
7365 * po/POTFILES.in: Add cpplex.c.
7367 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
7368 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
7369 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
7370 skip_block_comment, skip_line_comment, skip_comment,
7371 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
7372 _cpp_parse_name, skip_string, parse_string,
7373 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
7374 _cpp_get_directive_token, find_position,
7375 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
7376 (maybe_macroexpand, _cpp_lex_token): New functions.
7378 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
7379 parse_goto_mark): Delete.
7380 (_cpp_handle_eof): New function.
7381 (_cpp_handle_directive): Rename from handle_directive.
7382 (_cpp_output_line_command): Rename from output_line_command.
7383 (do_if, do_elif): Call _cpp_parse_expr directly.
7384 * cppfiles.c (_cpp_read_include_file): Don't call
7385 init_input_buffer here.
7386 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
7387 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
7388 here; pop the token_buffer and skip the rest of the line here.
7389 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
7392 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
7394 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
7395 CPP_GOTO_MARK): New macros.
7396 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
7397 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
7398 _cpp_read_and_prescan, _cpp_init_input_buffer,
7399 _cpp_grow_token_buffer, _cpp_get_directive_token,
7400 _cpp_handle_directive, _cpp_handle_eof,
7401 _cpp_output_line_command): Prototype them here.
7402 * cpplib.h (enum cpp_token): Add CPP_MACRO.
7403 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
7404 quote_string, output_line_command): Remove.
7406 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
7408 * stmt.c (expand_end_case): RANGE may be signed, and when checking
7409 whether it is too large we must also verify that it isn't negative.
7411 2000-03-13 Jakub Jelinek <jakub@redhat.com>
7413 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
7414 (movsi_zero_liveg0): Remove.
7415 (movsf_insn_novis_liveg0): Remove.
7417 (negsi2_not_liveg0): Rename to negsi2.
7418 (one_cmplsi2): Remove.
7419 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
7420 (one_cmplsi2_liveg0): Remove.
7421 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
7422 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
7423 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
7424 (PREDICATE_CODES): Remove zero_operand.
7425 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
7426 TARGET_BROKEN_SAVERESTORE.
7427 (zero_operand): Remove.
7428 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
7429 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
7431 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
7432 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
7433 TARGET_BROKEN_SAVERESTORE): Remove.
7434 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
7436 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
7438 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
7441 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
7443 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
7445 * cpplib.c (do_pragma_implementation): Fix off-by-one error
7446 truncating a string. Don't assume tokens are nul terminated.
7447 Problem noted by Andreas Jaeger <aj@suse.de>
7449 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
7451 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
7452 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
7453 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
7455 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
7457 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
7458 STRUCTURE_SIZE_BOUNDARY.
7460 2000-03-13 Mark Mitchell <mark@codesourcery.com>
7462 * tree.h (record_layout_info_s): New structure.
7463 (record_layout_info): New type.
7464 (new_record_layout_info): New function.
7465 (layout_field): Likewise.
7466 (finish_record_layout): Likewise.
7467 * stor-layout.c (layout_record): Remove.
7468 (new_record_layout_info): New function.
7469 (layout_field): New function, broken out from layout_record.
7470 (finalize_record_size): Likewise.
7471 (compute_record_mode): Likewise.
7472 (finalize_type_size): New function, broken out from layout_type.
7473 (finish_record_layout): Likewise.
7474 (layout_type): Use them.
7476 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
7478 * cpphash.c: Don't include version.h.
7479 (special_symbol) [case T_VERSION]: Look for the string in
7480 hp->value.cpval; don't use version_string.
7481 * cppinit.c (initialize_builtins): Set hp->value.cpval for
7482 __VERSION__ to version_string.
7483 * Makefile.in (cpphash.o): Update deps.
7485 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
7487 Convert cpplib to use libiberty/hashtab.c.
7489 * cpplib.h (struct cpp_reader): Make hashtab and
7490 all_include_files of type 'struct htab *'. Delete HASHSIZE
7491 and ALL_INCLUDE_HASHSIZE macros.
7493 * cpphash.h: Update prototypes.
7494 (struct hashnode): Remove next, prev, and bucket_hdr members.
7495 Make length a size_t. Add hash member.
7496 (struct ihash): Remove next member. Add hash member. Make
7497 name a flexible array member.
7499 * cppfiles.c: Include hashtab.h.
7500 (include_hash): Delete.
7501 (IHASHSIZE): New macro.
7502 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
7503 (cpp_included): Do the hash lookup here.
7504 (_cpp_find_include_file): Rewrite.
7505 (cpp_read_file): Put the "fake" hash entry into the hash
7506 table. Honor the control_macro, if it turns out we've seen
7507 the file before. Don't push the buffer here.
7508 (_cpp_read_include_file): Push the buffer here.
7509 (OMODES): New macro. Use it whenever we call open(2).
7511 * cpphash.c: Include hashtab.h.
7512 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
7513 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
7514 _cpp_lookup_slot): New functions.
7515 (HASHSIZE): new macro.
7516 (hashf, _cpp_install, _cpp_delete_macro): Delete.
7517 (_cpp_lookup): Use hashtab.h routines.
7519 * cppinit.c: Include hashtab.h.
7520 (cpp_reader_init): Call _cpp_init_macro_hash and
7521 _cpp_init_include_hash. Don't allocate hashtab directly.
7522 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
7523 pfile->all_include_files.
7524 (initialize_builtins): Use _cpp_make_hashnode and
7525 htab_find_slot to add hash entries.
7526 (cpp_finish): Just call _cpp_dump_macro_hash.
7527 * cpplib.c: Include hashtab.h.
7528 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
7529 create hash entries.
7530 (do_pragma_poison, do_assert): Likewise.
7531 (do_include): Don't push the buffer here. Don't increment
7532 system_include_depth unless _cpp_read_include_file succeeds.
7533 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
7535 (do_pragma_implementation): Use alloca to create copy.
7537 * Makefile.in: Update dependencies.
7539 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7541 * cppinit.c (cl_directive_handler): More K&R fixing.
7543 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
7545 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
7547 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
7549 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7551 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
7552 Change from char[] to macros.
7554 2000-03-12 Neil Booth <NeilB@earthling.net>
7556 * cppinit.c (cpp_start_read): Update indirect function
7559 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
7561 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
7564 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
7565 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
7567 2000-03-11 Neil Booth <NeilB@earthling.net>
7569 * cppinit.c (struct pending option): Replace undef with a
7570 pointer to a directive handling routine.
7571 (struct cpp_pending): Replace separate assert_ and define_
7572 lists with one directive_ list.
7573 (new_pending_define): Rename new_pending_directive. Extra
7574 argument is the directive's handling routine.
7575 (handle_option): Update to use new_pending_directive.
7577 2000-03-11 Neil Booth <NeilB@earthling.net>
7579 * cppfiles.c (file_cleanup, _cpp_find_include_file,
7580 remap_filename, _cpp_read_include_file, actual_directory,
7581 hack_vms_include_specification): Replace bcopy(), index() etc
7582 calls. Add casts to some allocations. Make some variables
7583 pointers to const [unsigned] char.
7584 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
7585 collect_formal_parameters): Similarly.
7586 * cppinit.c (struct pending_option, append_include_chain,
7587 cpp_options_init, cpp_reader_init, initialize_standard_includes,
7588 cpp_start_read, new_pending_define, handle_option): Similarly.
7589 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
7590 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
7591 do_pragma_implementation, detect_if_not_defined,
7592 do_ifdef, skip_if_group, cpp_get_token, parse_string,
7593 do_assert, do_unassert): Similarly.
7594 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
7595 function prototypes.
7596 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
7598 2000-03-10 Richard Henderson <rth@cygnus.com>
7600 * builtins.c (expand_builtin_strlen): Revert last change.
7601 Use emit_insn_before if we're at the beginning of a sequence.
7603 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
7605 * builtins.c (expand_builtin_strlen): Make sure that we have something
7606 at the beginning of the sequence.
7608 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
7611 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
7613 2000-03-10 Richard Henderson <rth@cygnus.com>
7615 * except.c (can_throw): Use INTVAL on a CONST_INT.
7616 (reachable_handlers): Likewise.
7617 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
7619 2000-03-10 Andreas Jaeger <aj@suse.de>
7621 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
7622 MD_STARTFILE_PREFIX since those are not needed on linux.
7623 (ASM_FILE_START): New, from mips/gnu.h.
7625 2000-03-09 Richard Henderson <rth@cygnus.com>
7626 Alex Samuel <samuel@codesourcery.com> and others
7628 * Makefile.in (ssa.o): New rule.
7630 (STAGESTUFF): Add *.ssa and *.ussa.
7631 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
7632 * rtl.def (PHI): New RTL expression.
7633 * rtl.h (clear_log_links): New declaration.
7634 (convert_to_ssa): Likewise.
7635 (convert_from_ssa): Likewise.
7636 * flow.c (split_edge): If the entry node falls through to the
7637 split edge's source block, split the entry edge.
7638 (clear_log_links): New function.
7639 * toplev.c (ssa_dump): New variable.
7640 (flag_ssa): Likewise.
7641 (f_options): Add "ssa".
7642 (compile_file): Create SSA dump files.
7643 (rest_of_compilation): Go to and from SSA if enabled.
7644 (decide_d_option): Handle -de for SSA dump files.
7647 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
7649 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
7652 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
7654 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
7656 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
7658 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
7659 (MD_STARTFILE_PREFIX_1): New macro.
7661 2000-03-09 Robert Lipe <robertl@sco.com>
7663 * config/ia64/ia64.c: Include system.h.
7665 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
7667 * except.c (nothrow_function_p): If -fno-exceptions, just return.
7668 (init_eh_nesting_info): Likewise.
7670 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
7671 (TREE_NOTHROW): Rename from TREE_RAISES.
7672 * toplev.c (rest_of_compilation): Set it.
7673 * print-tree.c (print_node): Adjust.
7674 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
7675 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
7676 * calls.c (emit_call_1): Add 'nothrow' parm. Add
7677 REG_EH_REGION note as appropriate.
7678 (libfunc_nothrow): New fn.
7679 (emit_library_call, emit_library_call_value): Use it.
7680 (expand_call): Check TREE_NOTHROW.
7682 * varasm.c (make_decl_rtl): Skip initial '*' when setting
7683 DECL_ASSEMBLER_NAME.
7685 2000-03-09 Andreas Jaeger <aj@suse.de>
7687 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
7688 (TARGET_MEM_FUNCTIONS): Define.
7690 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
7692 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
7694 * except.c (can_throw): See through a SEQUENCE.
7695 (nothrow_function_p): New fn.
7696 * except.h: Declare it.
7697 * function.c (current_function_nothrow): New var.
7698 (prepare_function_start): Initialize it.
7699 * output.h: Declare it.
7700 * toplev.c (rest_of_compilation): Set it.
7701 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
7703 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
7705 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
7706 match. (cpp_compare_defs): Count the nul separator when
7707 advancing over argument names.
7709 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
7711 * recog.c (preprocess_constraints): Matching constraints affect
7712 same alternative/different operand, not same operand/different
7715 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
7716 register and a constant specially.
7718 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7720 * libgcc2.h: New file.
7721 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
7723 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
7725 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
7726 * configure: Regenerate.
7729 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
7731 * Makefile.in (LIBCPP_DEPS): New macro.
7732 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
7734 * cpperror.c: Include cpphash.h.
7735 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
7737 (lex): Don't use CPP_WARN_UNDEF.
7738 (_cpp_parse_expr): Return an int, the truth value.
7739 * cppfiles.c: Include cpphash.h.
7740 (_cpp_merge_include_chains): Move to cppinit.c and make static.
7741 * cppinit.c (include_defaults_array): Disentangle.
7742 (cpp_cleanup): Don't free the if stack here.
7743 (cpp_finish): Pop off all buffers, not just one.
7744 * cpplib.c (eval_if_expr): Return int.
7745 (do_xifdef): Rename do_ifdef.
7746 (handle_directive): Don't use CPP_PREPROCESSED.
7747 (cpp_get_token): Don't use CPP_C89.
7748 * fix-header.c: Don't use CPP_OPTIONS.
7750 * cpplib.h: Move U_CHAR, enum node_type, struct
7751 file_name_list, struct ihash, is_idchar, is_idstart,
7752 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
7753 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
7754 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
7755 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
7756 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
7757 of _cpp_simplify_pathname, _cpp_find_include_file,
7758 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
7759 Move struct if_stack to cpplib.c. Move struct cpp_pending to
7761 Change all uses of U_CHAR to be unsigned char instead.
7762 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
7764 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
7766 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
7767 (dwarf2out_begin_prologue): Set it.
7768 (output_call_frame_info): Don't emit EH unwind info for leaves.
7770 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
7771 can occur outside of an EH region.
7772 * except.c: Correct comments about rethrow behavior.
7773 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
7775 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
7777 * flow.c (make_edges): Always call make_eh_edge for calls.
7779 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
7781 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
7782 (struct cpp_buffer): Remove fname and underflow fields.
7783 (struct cpp_reader): Remove get_token field.
7784 (struct include_hash): Rename to struct ihash. Add typedef to
7786 (struct if_stack): Remove fname field.
7787 (IF_STACK_FRAME): Rename to IF_STACK.
7789 * cpperror.c (print_containing_files): Trust that there are no
7790 macro buffers below the top file buffer.
7791 * cppfiles.c: Replace all references to 'struct include_hash'
7792 with 'IHASH'. Rename initialize_input_buffer to
7793 init_input_buffer. Don't set or reference cpp_buffer->fname,
7794 use buffer->ihash->name instead.
7795 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
7796 not CPP_NULL_BUFFER.
7797 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
7798 IF_STACK_FRAME, IHASH not struct include_hash.
7799 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
7800 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
7801 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
7802 references to cpp_buffer->fname (delete entirely, or use
7803 ->ihash->name instead) and IF_STACK->fname.
7804 (cpp_push_buffer): Don't set new->underflow.
7805 (do_include): Use cpp_file_buffer.
7807 * cpphash.c (collect_formal_parameters): Remove duplicate
7808 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
7809 used as a macro argument name. Don't append "..." to namebuf
7810 for varargs macros. After we're done scanning, go through
7811 namebuf and make it NUL separated, not comma separated.
7812 (_cpp_compare_defs): Remove register tag from variables.
7813 Expect defn->argnames to be NUL separated.
7814 (_cpp_dump_definition): Expect defn->argnames to be NUL
7815 separated and in forward order.
7816 * cpphash.h: Update documentation of argnames field.
7818 2000-03-08 Richard Henderson <rth@cygnus.com>
7820 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
7821 to fail. Don't pre-expand the source operand.
7823 * i386.md (strlensi): Initialize eoschar and align before use.
7825 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
7827 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
7828 CONSTRUCTOR element.
7830 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
7832 * mips.c (mips_expand_prologue): If the last
7833 named argument is the vararg marker "va_list", treat it as
7834 an unnamed argument.
7836 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
7838 * dbxout.c (dbxout_parms): When correcting for promoted
7839 big-endian parameters, use the mode of the DECL_RTL rather
7840 than UNITS_PER_WORD.
7842 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
7844 * c-common.h (make_fname_decl): Declare.
7845 * c-common.c (make_fname_decl): Define.
7846 (declare_hidden_char_array): Remove.
7847 (declare_function_name): Use make_fname_decl.
7848 * c-decl.c (c_make_fname_decl): New function.
7849 (init_decl_processing): Set make_fname_decl.
7851 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
7853 * cccp.c (handle_directive): Initialize backslash_newlines_p.
7855 2000-03-07 Philipp Thomas <pthomas@suse.de>
7857 * po/POTFILES.in: Remove cppalloc.c from file list.
7859 2000-03-07 Steve Chamberlain <sac@pobox.com>
7861 * pj.c (pj_expand_prologue): current_function->args_info is
7862 now current_function_args_info.
7864 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
7865 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
7866 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
7868 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7870 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
7871 output as hexadecimal rather than the default octal.
7873 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
7875 * cpphash.c (special_symbol): Fix thinko in previous commit.
7877 2000-03-07 Neil Booth <NeilB@earthling.net>
7879 * cppexp.c (struct operation, left_shift, right_shift,
7880 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
7881 "int"s to "unsigned int"s.
7882 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
7884 * cpplib.h: Update for above.
7885 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
7886 returned from allocations.
7888 * cppinit.c (opt_comp, parse_options): New functions.
7889 (handle_option): Use parse_option to parse a single command
7890 line option, that possibly takes an argument.
7891 (cpp_handle_options): Sort the array of command line options on
7892 first invocation (non-ASCII hosts only).
7893 (print_help): Update.
7895 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
7897 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
7898 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
7900 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
7902 * cppinit.c (cpp_cleanup): Free imp->nshort also.
7904 * cpperror.c (cpp_print_containing_files,
7905 cpp_print_file_and_line, v_cpp_message): Rename to
7906 print_containing_files, print_file_and_line, and v_message.
7907 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
7908 to _cpp_parse_expr, parse_escape, and lex.
7909 (parse_charconst): Remove broken multibyte support.
7910 * cppfiles.c (include_hash): Make static.
7911 (cpp_included): New function.
7912 (merge_include_chains, find_include_file, finclude,
7913 simplify_pathname): Rename to _cpp_merge_include_chains,
7914 _cpp_find_include_file, _cpp_read_include_file, and
7915 _cpp_simplify_pathname.
7916 * cpphash.c (cpp_lookup, free_definition, delete_macro,
7917 cpp_install, create_definition, macroexpand, compare_defs,
7918 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
7919 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
7920 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
7921 * cppinit.c (cpp_handle_option): Rename to handle_option, make
7923 * cpplib.c: Remove extern prototype of cpp_parse_expr.
7925 * cpphash.h: Update prototypes.
7926 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
7928 2000-03-07 Andrew Haley <aph@cygnus.com>
7930 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
7931 PTRDIFF_TYPE should be based solely on Pmode.
7934 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7936 * rtl.h (rtunion_def): Constify member `rtstr'.
7937 (emit_line_note_after, emit_line_note, emit_line_note_force,
7938 emit_note, decode_asm_operands): Constify.
7940 * cse.c (canon_hash): Likewise.
7942 * dbxout.c (dbxout_block): Likewise.
7944 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
7945 v_warning_for_asm): Likewise.
7947 * dwarfout.c (function_start_label): Likewise.
7949 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
7950 emit_line_note_force): Likewise.
7952 * final.c (last_filename, asm_insn_count, final_scan_insn,
7953 output_source_line): Likewise.
7955 * function.h (struct emit_status): Likewise.
7957 * gcse.c (hash_expr_1): Likewise.
7959 * genattr.c (gen_attr, main): Likewise.
7961 * genattrtab.c (struct function_unit, current_alternative_string,
7962 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
7963 attr_numeral, check_attr_test, check_attr_value,
7964 convert_set_attr_alternative, convert_set_attr,
7965 compute_alternative_mask, simplify_by_exploding, gen_attr,
7966 gen_unit): Likewise.
7968 * genflags.c (gen_insn): Likewise.
7970 * gengenrtl.c (type_from_format): Likewise.
7972 * genopinit.c (gen_insn): Likewise.
7974 * genoutput.c (n_occurrences, process_template, process_template):
7977 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
7980 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
7983 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
7984 ggc_set_mark, ggc_get_size): Likewise.
7986 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
7988 * optabs.c (init_one_libfunc): Likewise.
7990 * output.h (assemble_start_function): Likewise.
7992 * recog.c (decode_asm_operands): Likewise.
7994 * toplev.c (rest_of_compilation): Likewise.
7996 * tree.h (emit_line_note_after, emit_line_note,
7997 emit_line_note_force): Likewise.
7999 * varasm.c (asm_output_bss, asm_output_aligned_bss,
8000 asm_emit_uninitialised, assemble_start_function,
8001 assemble_variable, const_hash, compare_constant_1,
8002 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
8004 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
8006 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
8008 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
8010 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
8012 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
8013 arm_dllimport_name_p): Likewise.
8015 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
8018 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
8020 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8022 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
8023 arm_mark_dllexport, arm_mark_dllimport,
8024 arm_pe_encode_section_info): Likewise.
8026 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
8027 ASM_FINISH_DECLARE_OBJECT): Likewise.
8029 * arm/thumb.c (thumb_function_prologue): Likewise.
8031 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
8033 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8035 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
8037 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
8039 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
8041 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8043 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
8044 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
8046 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
8048 * i386/i386.c (asm_output_function_prefix): Likewise.
8050 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
8052 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8054 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
8056 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
8057 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
8058 ASM_OUTPUT_SECTION_NAME): Likewise.
8060 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
8062 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
8064 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
8066 * m32r/m32r.c (m32r_encode_section_info): Likewise.
8068 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8070 * mcore/mcore.c (mcore_encode_section_info): Likewise.
8072 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8074 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8076 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8078 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
8080 * mips/mips.md (movdi, movsi): Likewise.
8082 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8084 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8086 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8088 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
8089 ASM_OUTPUT_ASCII): Likewise.
8091 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
8092 output_mi_thunk, output_toc): Likewise.
8094 * rs6000/rs6000.md (movsi): Likewise.
8096 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
8098 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
8100 * v850/v850.c (print_operand, print_operand_address,
8101 v850_encode_data_area): Likewise.
8103 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
8105 * config/mips/mips.md (zero_extendsidi2): Always force operand
8106 one to memory for mips16.
8108 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8110 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
8111 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
8112 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
8113 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
8114 (min_precision): Result is unsigned.
8115 (add_double, neg_double, mul_double): Low word is unsigned.
8116 (lshift_double, rshift_double, lrotate_double): Likewise.
8117 (rrotate_double, div_and_round_double): Likewise.
8118 (tree_floor_log2, compare_tree_int): New functions.
8119 (preserve_rtl_expr_temps): New declaration.
8120 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
8121 (decl_attributes): Use tree_log2 to find alignment.
8122 Check for TREE_INT_CST_HIGH for format args.
8123 (min_precision): Now unsigned.
8124 Use tree_floor_log2.
8125 (truthvalue_conversion): Delete long-disabled code.
8126 * c-decl.c (finish_struct): Clean up tests on field width.
8127 (finish_function): Use compare_tree_int.
8128 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
8129 * c-typeck.c (comptypes): Use tree_int_cst_equal.
8130 (default_conversion, digest_init): Use compare_tree_int.
8131 (build_binary_op): Use integer_all_onesp and compare_tree_int.
8132 Fix type errors in forming masks.
8133 * calls.c (initialize_argument_information): Use compare_tree_int.
8134 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
8135 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
8136 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
8137 (store_field): Use compare_tree_int.
8138 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
8139 (expand_expr, case ARRAY_REF): Use compare_tree_int.
8140 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
8141 (do_store_flag): Use compare_tree_int.
8142 * fold-const.c (encode, decode): Low part is always unsigned.
8143 (force_fit_type, add_double, neg_double, mul_double): Likewise.
8144 (lshift_double, rshift_double, lrotate_double): Likewise.
8145 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
8146 (fold_convert): Use compare_tree_int.
8147 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
8148 (invert_truthvalue, case INTEGER_CST): Likewise.
8149 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
8150 * mkdeps.c (deps_dummy_targets): Make I unsigned.
8151 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
8152 (lshift_double, rshift_double, lrotate_double, rrotate_double):
8154 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
8155 (expand_end_case): Use compare_tree_int.
8156 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
8157 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
8158 (layout_decl): Likewise.
8159 (layout_record, layout_union): Make sizes unsigned.
8160 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
8161 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
8162 * tree.c (struct type_hash): hashcode is unsigned.
8163 (build_type_attribute_variant, type_hash_list): Likewise.
8164 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
8165 (attribute_hash_list, build_array_type, build_method_type): Likewise.
8166 (build_complex_type): Likewise.
8167 (real_value_from_int_cst): Remove unneeded casts.
8168 (integer_all_onesp): Add casts.
8169 (tree_floor_log2, compare_tree_int): New functions.
8170 (build_index_type): Use tree_int_cst_sgn.
8171 * varasm.c (assemble_variable): Use compare_tree_int.
8173 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
8175 * cpphash.c (collect_expansion): Also catch ## at start of macro.
8177 * varasm.c (make_decl_rtl): Don't add a number to members of
8179 (make_function_rtl): Likewise.
8181 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8183 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
8184 patch from 2000-01-28.
8186 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
8188 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
8189 filled with an insn from the jump target.
8191 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8193 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
8194 (c4x_external_ref): Likewise.
8195 * config/c4x/c4x.c (struct name_list): Likewise.
8197 1999-12-16 Ben Collins <bcollins@debian.org>
8199 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
8200 argument to genmultilib.
8201 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
8202 the contents into the multilib.h header.
8203 * gcc.c: Declare multilib_exclusions for the specs file.
8204 (set_multilib_dir): Use it.
8205 (print_multilib_info): Likewise.
8206 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
8207 to pass to genmultilib.
8209 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8211 * builtins.c (built_in_class_names, built_in_names): Constify a
8214 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
8216 (_mcleanup): Ensure value matches format specifier in sprintf.
8218 * cpphash.c (special_symbol): Don't needlessly cast away
8221 * cppinit.c (base_name): Delete unused prototype.
8223 * mkdeps.c (deps_init): Make definition K&R safe.
8225 * tree.h (built_in_class_names, built_in_names): Constify a
8228 2000-03-06 Jakub Jelinek <jakub@redhat.com>
8230 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
8231 floating point instructions for epilogue delay.
8233 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
8234 to gas if it supports .register pseudo.
8236 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
8237 LONG_DOUBLE_TYPE_SIZE if not defined.
8238 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
8239 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
8241 * gengenrtl.c: Likewise.
8242 * print-rtl.c: Likewise.
8244 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
8245 MASK_LONG_DOUBLE_128.
8246 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
8247 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
8248 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
8249 (SUBTARGET_SWITCHES): Define.
8250 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
8251 with -mlong-double-128.
8252 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
8253 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
8254 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
8255 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
8256 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
8257 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
8258 with -mlong-double-128.
8259 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
8260 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
8261 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
8262 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
8263 TARGET_LONG_DOUBLE_128): Define.
8264 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
8265 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
8266 long double on TARGET_ARCH64.
8268 2000-03-06 Mark Mitchell <mark@codesourcery.com>
8270 * function.c (free_temps_for_rtl_expr): Don't free slots
8271 that have been pushed into a higher level.
8274 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8276 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8278 * basic-block.h (ALLOCA_REG_SET): Remove.
8279 (INITIALIZE_REG_SET): New macro.
8280 * flow.c (update_life_info): Use it.
8281 (calculate_global_regs_live): Likewise.
8282 (propagate_block): Likewise.
8283 * global.c (build_insn_chain): Likewise.
8284 * haifa-sched.c (schedule_region): Likewise.
8286 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
8288 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
8289 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
8290 (DWARF_ARANGES_PAD_SIZE): New define.
8291 (output_aranges): Use it to pad the address range header.
8292 (DWARF_ROUND): Fix for non power of 2 rounding.
8294 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
8296 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
8298 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8300 * tree.def (RTL_EXPR): Update documentation.
8301 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
8302 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
8303 * function.c (preserve_rtl_expr_temp): New function.
8304 (preserve_rtl_expr_temps): Likewise.
8305 (preserve_rtl_expr_result): Use it.
8308 2000-03-04 Mark Mitchell <mark@codesourcery.com>
8310 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
8312 * regmove.c (copy_src_to_dest) Do not create src->dest move
8313 for unchanging destination.
8315 2000-03-04 Mark Mitchell <mark@codesourcery.com>
8317 * function.h (struct sequence_stack): Remove rtl_expr.
8318 (struct emit_staus): Likewise.
8319 (seq_rtl_expr): Remove.
8320 * tree.h (free_temps_for_rtl_expr): Don't declare.
8321 (start_sequence_for_rtl_expr): Likewise.
8322 * rtl.h (preserve_rtl_expr_result): Likewise.
8323 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
8324 (start_sequence_for_rtl_expr): Remove.
8325 (push_topmost_sequence): Don't save sequence_rtl_expr.
8326 (pop_topmost_sequence): Remove comment about not restoring it.
8327 (end_sequence): Don't set seq_rtl_expr.
8328 (init_emit): Don't initialize it.
8329 (mark_sequence_stack): Don't mark it.
8330 (mark_emit_status): Likewise.
8331 * except.c (protect_with_terminate): Use
8332 start_sequence_for_rtl_expr, not start_sequence.
8333 * expr.c (expand_expr, case RTL_EXPR): Don't call
8334 preserve_rtl_expr_result or free_temps_for_rtl_expr.
8335 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
8336 (preserve_rtl_expr_result): Remove.
8337 (free_temps_for_rtl_expr): Likewise.
8338 (pop_temp_slots): Likewise.
8339 (mark_temp_slot): Don't mark the rtl_expr.
8340 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
8341 start_sequence_for_rtl_expr.
8343 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
8345 * mkdeps.c, mkdeps.h: New files.
8346 * po/POTFILES.in: Add them.
8347 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
8348 (cpplib.o, cppinit.o): Depend on mkdeps.h.
8349 (mkdeps.o): New target.
8351 * cppfiles.c: Delete deps_output.
8352 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
8353 OBJECT_SUFFIX, and base_name.
8354 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
8356 (initialize_dependency_output): Use deps_init,
8357 deps_add_target, deps_calc_target, and deps_add_dep. Remove
8358 all the unnecessary string bashing.
8359 (cpp_finish): Use deps_write. Remove an unnecessary nesting
8361 * cpplib.c (do_include): Use deps_add_dep.
8362 * cpplib.h (struct cpp_reader): Replace deps_buffer,
8363 deps_allocated_size, deps_size, deps_column members with
8364 single pointer to a struct deps. Delete prototype of
8367 * cppinit.c: Fix thinko in previous patch.
8369 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8371 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
8372 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
8373 (mode_for_size_tree): New function.
8374 (layout_decl, layout_type): Call it and clean up BLKmode checks.
8375 * tree.h (mode_for_size_tree): New declaration.
8377 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
8379 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
8381 * stmt.c (is_body_block): Move...
8382 * dwarfout.c, dwarf2out.c: ...from here.
8383 * tree.h: Declare it.
8384 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
8385 * final.c (final_start_function): Do call remove_unnecessary_notes
8388 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
8390 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
8392 * cpplib.h (_dollar_ok): New macro.
8393 (is_idchar, is_idstart): Use it.
8394 (IStable): Rename to _cpp_IStable. Declare it const if
8395 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
8396 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
8397 is_space): Update for renamed IStable.
8399 * cppinit.c: Delete all references to FAKE_CONST and CAT
8400 macros. Define init_IStable as empty macro if gcc >=2.7 or
8401 C99. Change TABLE() to ISTABLE and hardcode name of table.
8402 (cpp_start_read): Don't change the IStable based on
8405 * cpphash.c (unsafe_chars): Add pfile argument. All callers
8406 changed. Handle '$' for char1 correctly.
8407 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
8409 * cppexp.c (tokentab2): Make const.
8410 (cpp_lex): Make toktab const.
8411 * cppinit.c (include_defaults_array): Make const.
8412 (initialize_standard_includes): Make default_include const.
8414 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
8416 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
8417 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
8418 (gen_decl_die): Likewise.
8419 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
8420 (output_decl): Likewise.
8422 * varasm.c (make_function_rtl): If we change the name used in the
8423 rtl, update DECL_ASSEMBLER_NAME accordingly.
8424 (make_decl_rtl): Likewise.
8426 * toplev.c (rest_of_compilation): Tweak formatting.
8428 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
8429 remove_unnecessary_notes.
8430 (debug_ignore_block): New fn.
8431 * toplev.h: Declare it.
8432 * emit-rtl.c (remove_unncessary_notes): Call it.
8433 * dwarf2out.c (dwarf2out_ignore_block): New fn.
8434 * dwarf2out.h: Declare it.
8435 * final.c (final_start_function): Don't call remove_unnecessary_notes
8436 if we did insn scheduling.
8438 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
8440 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
8441 * cpplib.h: Delete SET_CPP_PEDANTIC.
8443 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8445 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
8446 result is a RECORD_TYPE.
8448 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
8450 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
8452 2000-03-03 Richard Henderson <rth@cygnus.com>
8454 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
8455 addition over compliments over shifts.
8457 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8459 * reload1.c (reload_combine_note_use): Handle return register USEs.
8460 REG case: Handle multi-hard-register hard regs.
8462 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8464 * md.texi: Document use of '*' in insn pattern name.
8466 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
8468 * calls.c (special_function_p): operator new may not be malloc-like.
8470 * gcse.c (dump_hash_table): Really fix error in last change.
8472 2000-03-02 Denis Chertykov <denisc@overta.ru>
8474 * avr.c (print_operand): Use print_operand_address instead of
8476 * avr/libgcc.S: Cleanup code.
8478 2000-03-02 Richard Henderson <rth@cygnus.com>
8480 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
8482 2000-03-02 Mark Mitchell <mark@codesourcery.com>
8484 * tree.h (TYPE_ALIGN_UNIT): New macro.
8486 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
8488 * i386.c: (constant_call_address_operand): Reject CONST_INT.
8490 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
8492 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
8494 (SET_CPP_PEDANTIC): New macro.
8495 * cpplib.c (do_include): Don't bother checking system_header_p.
8496 (do_warning, do_ident, do_assert, do_unassert): Likewise.
8497 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
8499 * function.h (struct expr_status): Add x_arg_space_so_far.
8500 (arg_space_so_far): New macro.
8501 * expr.c (init_expr): Initialize it.
8502 * calls.c (emit_call_1): Reset it.
8503 (compute_argument_block_size, expand_call): Use it.
8504 (expand_call, store_one_arg): Increment it.
8506 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8508 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
8511 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
8513 * cppfiles.c (cpp_read_file): New function.
8515 * cpphash.c (collect_expansion): Make sure to reset last_token
8516 to NORM when we hit a string. Handle trailing whitespace
8517 properly when the expansion is empty.
8518 (create_definition): Disable line commands while parsing the
8520 (dump_definition): If pfile->lineno == 0, output a line
8521 command ahead of the dump, and add a trailing newline.
8523 * cppinit.c (append_include_chain): Add fifth argument, which
8524 indicates whether or not system headers are C++ aware.
8525 (initialize_standard_includes): New function,
8526 broken out of read_and_prescan. Pass 'cxx_aware' value from
8527 the include_defaults_array on to append_include_chain.
8528 (dump_special_to_buffer): Const-ify char array.
8529 (builtin_array): Don't dump __BASE_FILE__.
8530 (cpp_start_read): Use cpp_read_file. Reorder code for
8531 clarity. Don't output line commands here for -D/-A/-U
8532 switches. Don't call deps_output for files included with
8533 -include or -imacros.
8535 * cpplib.c (do_define): Don't pay any attention to the second
8537 (cpp_expand_to_buffer): Disable line commands while scanning.
8538 (output_line_command): Work in the file buffer.
8539 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
8540 Fix formatting of comments. Prototype cpp_read_file.
8542 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8544 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
8545 reference the language-equivalent of sizetype.
8546 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
8547 * fold-const.c (size_binop, size_diffop): Put back checks.
8548 * gcse.c (dump_hash_table): Fix minor error in last change.
8549 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
8550 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
8553 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
8555 * calls.c (expand_call) Do not attempt to combine stack adjustments
8556 with inhibit_defer_pop set.
8558 2000-03-01 Mark Mitchell <mark@codesourcery.com>
8560 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
8561 the DECL_SIZE for a FIELD_DECL.
8563 2000-03-01 Bruce Korb <bkorb@gnu.org>
8565 * fixinc/inclhack.tpl: remove unused symlinks
8566 * fixinc/README: GCC Maintainer info
8567 * fixinc/inclhack.sh: regen
8568 * fixinc/fixincl.sh: regen
8570 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
8572 * cpphash.c (collect_expansion): Trim trailing white space
8573 from macro definitions, but don't go past the last insertion
8576 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
8578 * i386.md (mulqi3): New pattern.
8580 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
8582 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
8584 (struct cpp_reader): Add parsing_if_directive and
8585 parsing_define_directive flags.
8586 (struct cpp_options): Remove output_conditionals flag.
8587 (check_macro_name): Delete prototype.
8589 * cpphash.h (struct macrodef): Delete.
8590 (struct reflist): Separate from struct definition.
8591 (struct definition): Remove unused fields. Add column number.
8592 (create_definition): Returns a DEFINITION *. Takes a
8593 cpp_reader * and an int.
8595 * cpphash.c (SKIP_WHITE_SPACE): Delete.
8596 (PEEKC): Copy defn from cpplib.c.
8597 (rest_extension, REST_EXTENSION_LENGTH): Delete.
8599 (struct arglist): Simplify.
8600 (collect_expansion): Rewrite. Get tokens by calling
8601 cpp_get_token. Add more error checking.
8602 (collect_formal_parameters): New function, broken out of
8603 create_definition and reworked to use get_directive_token.
8604 (create_definition): All real work is now in collect_expansion
8605 and collect_formal_parameters. do_define handles finding the
8606 macro name. Return a DEFINITION, not a MACRODEF.
8607 (macroexpand): Replace bcopy with memcpy throughout. Replace
8608 character-at-a-time copy loop with memcpy and pointer increments.
8609 (compare-defs): d1->argnames / d2->argnames might be null.
8611 * cpplib.c (copy_rest_of_line): Delete function.
8612 (skip_rest_of_line): Do all the work ourselves.
8613 (skip_string): New function.
8614 (parse_string): Use skip_string.
8615 (get_macro_name): New function.
8616 (check_macro_name): Delete.
8617 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
8618 (cpp_skip_hspace): Use CPP_BUMP_LINE.
8619 (handle_directive): ICE if we're called on a macro buffer.
8620 (do_define): Determine macro name and type (funlike/objlike)
8621 here. Expunge all uses of MACRODEF.
8622 (cpp_push_buffer): Set line_base to NULL.
8623 (do_undef, read_line_number): Don't worry about getting a POP token.
8624 (eval_if_expression): Set/reset parsing_if_directive around
8625 cpp_parse_expr. Don't clear only_seen_white.
8626 (skip_if_group): Remove output_conditionals logic. Use
8628 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
8629 tokens under appropriate conditions.
8630 (cpp_unassert): Call do_unassert not do_assert. Oops.
8632 * cppexp.c (parse_defined): New function, break out of
8634 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
8635 ourselves, with cpp_defined.
8636 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
8638 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
8639 * gcc.dg/strpaste-2.c: New.
8641 2000-02-29 Mark Mitchell <mark@codesourcery.com>
8643 * fold-const.c (size_binop): Don't asert inputs are the same and
8644 have TYPE_IS_SIZETYPE set.
8645 (size_diffop): Likewise.
8647 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
8649 * dwarfout.c (output_block): Output abstract blocks even if they
8650 don't have TREE_ASM_WRITTEN set.
8652 * calls.c (emit_library_call): Check for null REG.
8654 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
8656 * c-decl.c (current_function_decl): Move to toplev.c.
8657 (init_decl_processing): Don't add current_function_decl as a ggc
8659 * dbxout.c (dbxout_symbol): Change return type to int.
8660 (dbxout_symbol_location, dbxout_syms): Likewise.
8661 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
8662 any locals. Use current_function_func_begin_label if set.
8663 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
8664 * dwarf2out.c (dwarf2out_begin_prologue): Set
8665 current_function_func_begin_label.
8666 * final.c (final_start_function): Reset it.
8667 * toplev.c (current_function_decl): Define it here.
8668 (current_function_func_begin_label): New variable.
8669 (main): Add both as ggc roots.
8670 * tree.h (current_function_func_begin_label): Declare.
8672 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8674 * gcse.c: Cleanups throughout: mostly white-space, but also
8675 some minor rearrangement of code.
8677 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
8679 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
8680 returns a PARALLEL. Use emit_group_load and use_group_regs
8682 (emit_library_call_value): Similarly.
8684 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
8685 * pa/quadlib.asm: Remove.
8686 * pa/quadlib.c: New file.
8688 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
8689 * configure: Rebuilt.
8691 2000-02-29 Philip Blundell <pb@futuretv.com>
8693 * config/arm/conix-elf.h: New file.
8694 * configure.in (arm*-*-conix*): New configuration.
8695 * configure: Regenerate.
8697 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
8699 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
8700 don't have TREE_ASM_WRITTEN set.
8702 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8704 * Eliminate DECL_FIELD_SIZE.
8705 * builtins.c (built_in_class_names, built_in_names): New variables.
8706 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
8707 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
8708 DECL_SIZE, not DECL_FIELD_SIZE.
8709 * print-tree.c (print_node): Remove code that prints extra blank
8710 lines in some cases.
8711 Properly handle inline and builtin function cases.
8712 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
8713 * tree.h (built_in_class_named, built_in_names): New declarations.
8714 (union tree_decl): Rename internal unions to u1 and u2 and change
8715 some of their components.
8716 Add new field built_in_class.
8717 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
8718 Reflect above changes.
8719 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
8720 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
8721 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
8722 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
8724 2000-02-28 Dmitri Makarov <dim@windriver.com>
8726 * extend.texi: Document ARM's support for long/short calls.
8728 * invoke.texi: Document ARM's -mlong-calls command line switch.
8730 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
8731 (arm_encode_call_attribute): Add prototype.
8732 (arm_set_default_type_attribute): Add prototype.
8733 (arm_strip_name_encoding): Add prototype.
8735 * config/arm/arm.c (arm_init_cumulative_args): replace
8736 initialisation og 'long_calls' field with initialisation of
8737 'call_cookie' field.
8738 (enum arm_pragma_enum): New enum.
8739 (arm_pragma_long_calls): New static variable.
8740 (arm_process_pragma): Also process "#pragma long_calls_off".
8741 (arm_valid_type_attribute_p): Accept short_call attribute.
8742 (arm_comp_type_attributes): Check long/short call attributes.
8743 (arm_encode_call_attribute): New function: Encode long_call
8744 or short_call attribute in function name.
8745 (arm_set_default_type_attributes): New function: Assign
8746 default attributes to newly defined type.
8747 (current_file_function_operand): New function: Return true if
8748 the symbol is a function which has already been compiled.
8749 (arm_is_longcall_p): New function: Return true if the
8750 indicated function should be called via a long call.
8751 (arm_get_strip_length): New function. Returns number of
8752 prefix characters to be stripped from a function's name.
8753 (arm_strip_name_encoding): New function. Strip prefix characters
8754 from a function's name.
8756 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
8758 (SHORT_CALL_FAG_CHAR): Define.
8759 (LONG_CALL_FAG_CHAR): Define.
8760 (ENCODED_SHORT_CALL_ATTR_P): Define.
8761 (ENCODED_LONG_CALL_ATTR_P): Define.
8762 (ARM_NAME_ENCODING_LENGTHS): Define.
8763 (STRIP_NAME_ENCODING): Define.
8764 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
8765 (ARM_ENCODE_CALL_TYPE): Define.
8766 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
8767 (ARM_DECLARE_FUNCTION_SIZE): Define.
8768 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
8770 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
8771 if a long call is needed.
8772 (call_value): Ditto.
8773 (call_symbol): Ditto.
8775 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
8776 ARM_DECLARE_FUNCTION_SIZE.
8778 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
8779 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
8780 (ARM_STRIP_NAME_ENCODING): Undefine.
8781 (STRIP_NAME_ENCODING): Undefine.
8782 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
8783 (ASM_DECLARE_FUNCTION_NAME): Ditto.
8784 (ASM_OUTPUT_COMMON): Ditto.
8785 (ASM_DECLARE_OBJECT_NAME): Ditto.
8787 * config/arm/pe.c (arm_dllexport_name_p): Check for
8789 (arm_dllimport_name_p): Ditto.
8790 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
8791 (arm_mark_dllimport): Ditto.
8793 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8795 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
8797 2000-02-28 Mark Mitchell <mark@codesourcery.com>
8799 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
8801 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
8803 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
8804 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
8805 NO_BUILTIN_WCHAR_TYPE is not defined.
8806 (CPP_WCHAR_TYPE): Delete.
8807 * cccp.c (main): Don't change wchar_type if cplusplus.
8808 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
8810 2000-02-28 Nick Clifton <nickc@cygnus.com>
8812 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
8814 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
8816 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
8817 (ASM_WEAKEN_LABEL): Define.
8819 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
8821 * expr.c (store_constructor): Do not emit USE.
8822 * rtl.h (stupid_life_analysis): Remove.
8824 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8826 * function.c (number_blocks): Reset next_block_index based on
8827 what debugging format is used, not what is defined.
8829 * lcm.c: Minor reformatting throughout.
8830 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
8832 * toplev.c (rest_of_compilation): Account for time in
8833 optimize_mode_switching.
8835 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
8836 if only marking labels.
8838 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
8840 * calls.c (expand_call): Attempt to combine stack adjustments with
8841 pending stack adjustments.
8843 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8845 * loop.c (reg_in_basic_block_p): Don't abort when falling through
8846 to the end of the function.
8848 2000-02-27 Mark Mitchell <mark@codesourcery.com>
8850 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
8852 * final.c (next_block_index): Remove.
8853 (max_block_depth): Likewise.
8854 (pending_blocks): Likewise.
8855 (init_final): Don't initialize them.
8856 (final_start_function): Don't set next_block_index. Set up
8858 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
8859 * function.h (number_blocks): New function.
8860 * function.c (get_block_vector): New function.
8861 (identify_blocks): Use it.
8862 (reorder_blocks): Set NOTE_BLOCK.
8863 (number_blocks): New function.
8864 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
8865 * tree.h (BLOCK_NUMBER): New macro.
8866 (tree_block): Add block_num field.
8867 * dbxout.c (next_block_number): Remove.
8868 (dbxout_init): Don't set it.
8869 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
8870 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
8872 * toplev.c (rest_of_compilation): Always call
8873 find_loop_tree_blocks. Fix indentation.
8874 * dwarf2out.c (next_block_number): Remove.
8875 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
8876 to determine block numbers.
8877 (gen_inlined_subroutine_die): Likewise.
8878 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
8879 (decls_for_scope): Don't increment next_block_number.
8880 * dwarfout.c (next_block_number): Remove.
8881 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
8882 to determine block numbers.
8883 (output_inlined_subroutine_die): Likewise.
8884 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
8885 (output_decls_for_scope): Don't increment next_block_number.
8886 * sdbout.c (next_block_number): Remove.
8887 (sdbout_block): Use BLOCK_NUMBER.
8888 (sdbout_begin_block): Simplify.
8889 * xcoffout.c (next_block_number): Remove.
8890 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
8891 (xcoffout_begin_block): Don't set next_block_number.
8892 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
8895 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8897 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
8898 (expand_builtin_strcpy): Pass correct type to size_binop.
8899 (expand_builtin_strcmp): Likewise.
8900 Clean up conditional structure.
8901 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
8902 (complete_array_type): Don't use size_binop for MAXINDEX.
8903 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
8904 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
8905 (c_alignof): Use size_one_node.
8906 (build_unary_op): Pass arg of proper type to size_binop.
8907 (really_start_incremental_init, push_init_level): Use sizetype for
8908 constructor{,_bit,_unfilled}_index.
8909 (pop_init_label, output_init_element): Likewise.
8910 (output_pending_init_elements, process_init_element): Likewise.
8911 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
8912 * expr.c (store_expr): Use size_int.
8913 (store_constructor): Use proper types for size_binop args.
8914 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
8915 (expand_expr_unaligned): Likewise.
8916 (string_contant): Return object of sizetype.
8917 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
8918 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
8919 (ARGS_SIZE_TREE): Pass proper types to size_binop.
8920 * fold-const.c (int_const_binop): Refine when size_int is called.
8921 (fold_convert): Likewise.
8922 (size_int_wide): Rework to take KIND as arg, only take low order
8923 bits, handle new sizetype_tab datatype, and chain entries in
8925 (size_int_type_wide): New function.
8926 (size_binop): Validate types of arguments.
8927 (ssize_binop): Deleted.
8928 (size_diffop): New function.
8929 (extract_muldiv): Only fold division into multiplication for sizetypes.
8930 * function.c (assign_parms): Use size_diffop and make sure
8931 VAR field is of ssizetype; also pass proper type to size_binop.
8932 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
8933 (round_down): Deleted from here.
8934 * store-layout.c (sizetype_tab): Now an array.
8935 (sizetype_set, early_root_list): New variables.
8936 (variable_size): Use size_one_node.
8937 (round_up): Pass proper type to size_binop.
8938 (round_down): Moved to here and corrected as above.
8939 (layout_record): Pass proper arg types to size_binop.
8940 (layout_type): Likewise.
8941 If sizetype_set is zero, record the type just laid out.
8942 (make_unsigned_type): Don't call set_sizetype;
8943 (make_signed_type): Likewise; also, call fixup_signed_type.
8944 (initialize_sizetypes): New function.
8945 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
8946 set name of bitsizetype to "bit_size_type".
8947 Fix up type of sizes of all types made before call.
8948 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
8949 * tree.c (fix_sizetype): Deleted.
8950 (build_common_tree_nodes): Call initialize_sizetypes.
8951 (build_common_tree_nodes_2): Don't call fix_sizetype.
8952 * tree.h (TYPE_IS_SIZETYPE): New macro.
8953 (initialize_sizetype): New declaration.
8954 (enum size_type_kind): New type.
8955 (struct sizetype_tab): Deleted.
8956 (sizetype_tab): Now array; adjust sizetype macros.
8957 (size_diffop, size_int_type_wide): New functions.
8958 (size_int_wide): Change number of args and type; access macros changed.
8959 (ssize_int, sbitsize_int): New macros.
8960 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
8961 (ROUND_TYPE_SIZE_UNIT): New macro.
8963 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
8965 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
8967 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8969 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
8970 Mark as possibly unused.
8972 * cse.c (cse_insn): Delete dead code involving tablejump.
8973 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
8975 * Makefile.in (libcpp.a): Start by deleting it.
8977 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8979 * cpplib.h (enum file_change_code): Added rename_file.
8980 * cpplib.c (do_line): If a filename is given, set file_change to
8982 (output_line_command): If file_change is rename_file, always
8983 output a # directive with the file name.
8985 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
8987 2000-02-26 Mark Mitchell <mark@codesourcery.com>
8989 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
8990 when copying a PARM_DECL or RESULT_DECL.
8992 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8994 * fix-header.c (recognized_function): Also fix prototypes for
8995 functions taking "void".
8997 2000-02-26 Geoff Keating <geoffk@cygnus.com>
8999 * reload1.c (do_output_reload): Check reg_reloaded_valid before
9000 looking at reg_reloaded_contents.
9002 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
9004 * Makefile.in (STMP_FIXINC): New toggle.
9005 (LIBGCC2_DEPS): Delete all references.
9006 (stmp-headers): Delete target. All references either deleted
9007 or changed to stmp-int-headers.
9008 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
9009 (LIBCPP_OBJS): Take out cppalloc.o.
9010 (cppalloc.o): Delete target.
9011 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
9012 (gen-protos, fix-header): Link with libiberty.a.
9013 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
9016 * configure.in: Remove refs to strerror.
9017 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
9018 * system.h: Take out strerror stanza.
9020 * cpperror.c (my_strerror): Delete function.
9021 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
9022 * cppmain.c (main): Call xmalloc_set_program_name first thing.
9023 * cppalloc.c: Delete file.
9024 * gen-protos.c: Don't provide xrealloc.
9026 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
9027 xstrerror throughout.
9029 2000-02-26 Bruce Korb <bkorb@gnu.org>
9031 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
9032 match for DOS headers, too.
9033 * fixinc/inclhack.sh,fixincl.x: Regenerate.
9035 2000-02-26 Geoff Keating <geoffk@cygnus.com>
9037 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
9038 is right for most ELF targets.
9039 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
9040 Let the default file use %U properly.
9041 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
9044 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
9047 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9049 * toplev.c (documented_lang_options): Correct spelling error.
9050 (decode_d_option, decode_f_option, main): Likewise.
9052 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
9054 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
9055 to tell assembler it is permitted to expand large constants.
9057 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
9059 * protoize.c: (AUX_INFO_SUFFIX): New macro.
9060 (aux_info_suffix): Use.
9061 (SAVE_SUFFIX): New macro.
9063 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
9064 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
9065 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
9067 * invoke.texi (Running Protoize): Update documentation.
9069 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
9071 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
9073 2000-02-25 John Wehle (john@feith.com)
9075 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
9077 2000-02-25 Anthony Green <green@cygnus.com>
9079 * toplev.c (rest_of_compilation): Rebuild jump labels if
9080 combine_instructions has created a new direct jump.
9081 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
9083 (combine_instructions): Call try_combine with new argument.
9084 Return non-null value when new direct jump instruction is created.
9085 * rtl.h: combine_instructions returns an int.
9087 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
9089 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
9090 jump when changing a computed jump into a jump to a known
9093 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
9095 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
9096 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
9098 * i386.md (define_expand "clrstrsi"): Fix typo.
9100 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
9102 * rtl.texi: Fix typo.
9104 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9106 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
9107 UNITS_PER_WORD. Change caller initial_elimination_offset.
9108 (rounded_frame_size): Take into account that argument pushed has
9109 changed. Fix TARGET_ALIGN_DOUBLE problem.
9111 2000-02-25 Geoff Keating <geoffk@cygnus.com>
9113 * haifa-sched.c (schedule_block): Explain the real reason
9114 we delete REG_SAVE_NOTEs on the first insn of a block.
9115 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
9117 2000-02-24 Mark Mitchell <mark@codesourcery.com>
9119 * input.h (push_srcloc): New function.
9120 (pop_srcloc): Likewise.
9121 * toplev.c (push_srcloc): Define it.
9122 (pop_srcloc): Likewise.
9124 2000-02-24 Richard Henderson <rth@cygnus.com>
9126 * flow.c (life_analysis): When collecting reg info, clear
9129 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9131 Fix bug exposed by reload.c no longer rounding the frame
9132 size to BIGGEST_ALIGNMENT:
9133 * sh.c (rounded_frame_size): New function.
9134 (sh_expand_prologue, sh_expand_epilogue): Use it.
9135 (initial_elimination_offset): Likewise.
9137 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9139 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
9140 * sh-protos.h (sh_need_epilogue): Declare.
9141 * sh.c (sh_need_epilogue_known): New static variable.
9142 (sh_need_epilogue): New function.
9143 (function_epilogue): Clear need_epilogue_known.
9144 * sh.md (return): Split into expander / insn pattern.
9145 Make the expander conditional on ! sh_need_epilogue ().
9147 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
9149 * machmode.h (get_mode_alignment): Declare.
9150 (GET_MODE_ALIGNMENT): Call it.
9151 * stor-layout.c (get_mode_alignment): New function. Make
9152 sure alignment is always power of 2.
9154 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9156 * i386.h: Remove useless definition of "I386" and misleading
9159 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9161 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
9162 under which TREE_PERMANENT will be set.
9163 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
9164 build1): Use TREE_SET_PERMANENT.
9165 * print-tree.c (print_node): Don't report value of
9166 TREE_PERMANENT if ggc_p is true.
9168 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
9169 decide whether to give a type a new alias set.
9170 * objc/objc-act.c (build_objc_string_object): Never copy the string.
9171 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
9172 of value of 'obstack'.
9175 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9177 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
9179 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9181 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
9182 * cpplib.c (cpp_get_token): Produce them.
9183 * cppexp.c (cpp_lex): Handle them.
9185 2000-02-23 Nick Clifton <nickc@cygnus.com>
9187 * config/arm/arm.c (arm_comp_type_attributes): Simply and
9188 comment tests on type attributes.
9190 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9192 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
9193 conform to documentation.
9194 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
9195 to check for special cases.
9196 * sh-protos.h (sh_loop_align): Declare.
9197 * sh.c (sh_loop_align): Define.
9199 2000-02-22 Andrew Haley <aph@cygnus.com>
9201 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
9202 (SIZE_TYPE): Is 32 bits when using -mgp32.
9203 (PTRDIFF_TYPE): Ditto.
9205 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9207 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
9209 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9211 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
9212 BIGGEST_FIELD_ALIGNMENT a constant.
9214 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
9216 * dwarf2out.c (output_line_info): Put the marker for the end of
9217 the line number info at the actual end.
9218 (gen_struct_or_union_type_die): Use decl_function_context
9219 to check for local classes.
9220 * dwarfout.c (output_type): Likewise.
9222 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
9224 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
9225 for arguments with a mode, but no type.
9226 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
9227 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
9228 * pa/long_double.h: New file.
9229 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
9230 both have 128bit wide long doubles.
9231 * configure: Rebuilt.
9233 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9235 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
9237 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
9238 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
9239 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
9241 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
9243 * integrate.c (compare_blocks, find_block): Likewise.
9245 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
9247 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
9249 * stmt.c (stmt_status, set_file_and_line_for_stmt,
9250 expand_asm_operands): Likewise.
9252 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
9254 * predict.c (estimate_probability): Added the pointer heuristic to
9255 the collection of static branch predictors.
9257 2000-02-21 Catherine Moore <clm@cygnus.com>
9259 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
9260 * invoke.texi (-mfix7000): Document.
9262 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
9264 * diagnostic.c (init_output_buffer): Make it possible to output at
9265 least 32 characters if we're given a too long prefix.
9267 2000-02-20 Mark Mitchell <mark@codesourcery.com>
9269 * varasm.c (initializer_constant_valid_p): Call
9270 lang_expand_constant to simplify the constant.
9272 2000-02-20 Bruce Korb <bkorb@gnu.org>
9274 * fixinc/inclhack.def(stdio_va_list):
9275 typedef needs to be disabled.
9276 * fixinc/inclhack.sh: regen
9277 * fixinc/fixincl.x: regen
9279 2000-02-20 Geoff Keating <geoffk@cygnus.com>
9281 * print-rtl.c (print_rtx): Don't print addresses when
9282 flag_dump_unnumbered.
9284 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9286 * sparc.c (sparc_output_scratch_registers): Mark parameter with
9288 (sparc_va_arg, sparc_flat_output_function_prologue,
9289 sparc_flat_output_function_epilogue): Cast value to unsigned in
9291 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
9293 * sparc.md: Add default case in switch.
9295 2000-02-19 Richard Henderson <rth@cygnus.com>
9297 * c-typeck.c (add_pending_init): Don't abort for multiple
9298 fields at the same offset.
9299 (pending_init_member): Test the correct member.
9301 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9303 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
9305 (start_catch_handler) : Same.
9307 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
9309 * Makefile.in: Have flow.o depend on $(EXPR_H)
9311 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9313 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
9314 * c-decl.c (duplicate_decls, finish_enum): Likewise.
9315 (finish_decl): Remove -Wlarger-than code from here.
9316 * flags.h (id_clash_len): Now int.
9317 (larger_than_size): Now HOST_WIDE_INT.
9318 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
9319 Clean up checking to see if in table.
9320 (make_bit_field_ref): Remove extra parm to bitsize_int.
9321 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
9322 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
9323 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
9324 and for computing size of decl.
9325 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
9326 Move -Wlarger-than code to here.
9327 (layout_record): Remove extra arg to bitsize_int.
9328 Set TYPE_BINFO_SIZE_UNIT.
9329 (layout_union): Remove extra arg to bitsize_int.
9330 Use proper type for size of QUAL_UNION.
9331 (layout_type): Remove extra arg to bitsize_int.
9332 * toplev.c (id_clash_len): Now int.
9333 (larger_than_size): Now HOST_WIDE_INT.
9334 (decode_W_option): Clean up id-clash and larger-than- cases.
9335 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
9336 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
9337 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
9338 (struct tree_decl): New field size_unit.
9339 (size_int_wide): No HIGH operand; NUMBER is now signed.
9340 (size_int_2): Deleted.
9341 (size_int, bitsize_int): Don't use it and rework args.
9342 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
9344 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
9346 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
9348 2000-02-18 Geoff Keating <geoffk@cygnus.com>
9350 * invoke.texi (Warning Options): Add an explanation of why
9351 you might want the -Wfloat-equal flag.
9353 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9355 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
9356 * cppinit.c (new_pending_define): Add cast to avoid warning.
9357 * expmed.c (extract_bit_field): Likewise.
9358 * flow.c (enum reorder_skip_type): New type.
9359 (skip_insns_between_blcok): New it.
9360 Rework to avoid warning about possibly undefined variable.
9361 * function.c (assign_parms): Make thisparm_boundary unsigned.
9362 * genrecog.c (write_switch): Cast XWINT result to int.
9363 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
9364 * mips-tfile.c (init_file): Make two versions of FDR intializer:
9365 one for MIPS and one for Alpha.
9366 (get_tag, copy_object): Add casts to avoid warnings.
9367 * optabs.c (init_one_libfunc): Cast NAME to (char *).
9368 * reload.c (find_reloads): Make TYPE enum reload_type.
9369 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
9370 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
9371 * varasm.c (compare_constant_1): Add cast to avoid warning.
9372 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
9374 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
9375 Cast switch operand of size to int.
9376 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
9377 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
9380 2000-02-18 Nick Clifton <nickc@cygnus.com>
9382 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
9383 anything for an alignment of zero.
9385 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
9386 anything for an alignment of zero.
9388 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
9390 * gcc.texi (Bug Reporting): Refer to bugs.html.
9391 (Bug Lists): Likewise.
9392 * system.h (GCCBUGURL): New preprocessor define.
9393 * rtl.c (fancy_abort): Use it.
9394 * gcc.c (main): Likewise.
9396 2000-02-18 Richard Henderson <rth@cygnus.com>
9398 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
9399 (life_analysis_1): Subsume into ...
9400 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
9401 Use update_life_info for the relaxation.
9402 (update_life_info): Update REG_BASIC_BLOCK for registers live on
9403 entry and regs_live_at_setjmp.
9404 (set_noop_p): Simplify.
9405 (notice_stack_pointer_modification_1): Renamed from s/_1//.
9406 (record_volatile_insns): Split into ...
9407 (delete_noop_moves): ... here,
9408 (notice_stack_pointer_modification): ... here,
9409 (insn_dead_p): ... and here.
9410 (propagate_block): Don't query INSN_VOLATILE.
9411 (mark_used_regs): Mind !PROP_REG_INFO.
9412 * toplev.c (rest_of_compilation): Call mark_constant_function here,
9413 not in life_analysis.
9415 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
9417 * loop.c (canonicalize_condition): New function,
9418 broken out of get_condition.
9419 (get_condition): Use it.
9420 * expr.h (canonicalize_condition): Prototype it.
9422 * tree.h (tree_int_cst_msb): Declare.
9423 * tree.c (tree_int_cst_msb): New function.
9425 2000-02-17 Mark Mitchell <mark@codesourcery.com>
9427 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
9430 * invoke.texi (-fmessage-length=n): Document.
9432 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
9434 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
9436 2000-02-17 Mark Mitchell <mark@codesourcery.com>
9438 * function.c (thread_prologue_and_epilogue_insns): Put a line note
9441 2000-02-17 Nick Clifton <nickc@cygnus.com>
9443 * config/arm/thumb.c: Replace includes of system headers with
9444 #include "system.h".
9446 2000-02-16 Richard Henderson <rth@cygnus.com>
9448 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
9449 Add crtbeginS.o and crtendS.o.
9450 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
9451 (ENDFILE_SPEC): Use crtendS.o.
9452 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
9454 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
9455 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
9457 (__dso_handle): New variable.
9458 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
9459 bias to __CTOR_END__.
9461 2000-02-16 Richard Henderson <rth@cygnus.com>
9463 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
9465 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
9467 * longlong.h (__clz_tab): Declare as static to match definition.
9469 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
9471 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
9472 (XREF_FILE_NAME): Define.
9474 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
9475 (EH_FRAME_SECTION_ASM_OP): Define.
9476 (IDENT_ASM_OP): Define.
9477 (TEXT_SECTION_ASM_OP): Define.
9479 (CTORS_SECTION_ASM_OP): Define.
9480 (CTOR_SECTION_FUNCTION): Use it.
9481 (DTORS_SECTION_ASM_OP): Define.
9482 (DTOR_SECTION_FUNCTION): Use it.
9484 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
9486 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
9489 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
9490 debug_bb_n): New functions.
9491 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
9492 * basic-block.h: Prototype new functions.
9494 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
9496 * configure.in: Add support for avr target.
9497 * configure: Rebuilt.
9499 * invoke.texi: Add AVR invocation docs.
9500 * install.texi: Add information about AVR.
9501 * md.texi: Add AVR constraint letters description.
9502 * extend.texi: Add description for AVR specific attributes.
9504 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
9506 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
9508 2000-02-16 Nick Clifton <nickc@cygnus.com>
9510 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
9511 (make_insn_raw): Move RTL check here.
9513 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9515 * version.c: Include gansidecl.h and version.h.
9517 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
9519 * configure.in (gcc_version): When setting, narrow search to
9520 lines containing `version_string'.
9522 * Makefile.in (mainversion): Likewise.
9523 (GCC_H): New variable.
9524 (gcc.h): Delete target.
9525 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
9526 (version.o): Depend on version.h.
9527 (dbxout.o): Don't depend on gcc.h.
9529 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
9530 Michael Meissner <meissner@cygnus.com>
9532 * md.texi (Simple Constraints): Add item about whitespace.
9533 * genoutput.c (strip_whitespace): New.
9534 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
9535 strip_whitespace for constraints.
9536 Test pointer using NULL, not 0.
9538 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9540 * cpplib.c (do_line): Pedwarn for #line > 32767.
9542 * c-lex.c (readescape): Warn about '\x', but do not reject it.
9544 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
9546 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
9547 to default cpp spec.
9548 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
9549 * cpp.texi: Document __GNUC_PATCHLEVEL__.
9552 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
9555 2000-02-15 Denis Chertykov <denisc@overta.ru>
9557 * configure.in: Add support for avr target.
9559 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9561 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
9562 (sh_addr_diff_vec_mode): Don't declare.
9563 * sh.c (sh_addr_diff_vec_mode): Delete.
9565 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9567 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
9569 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9571 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
9572 (smulsi3_highpart_i): Name.
9573 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
9574 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
9575 (smulsi3_highpart, umulsi3_highpart): Likewise.
9577 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
9578 correctly independent of endianness.
9579 (mulsidi3, umulsidi3): Now define_insn. Hide details that
9580 confuse the optimizers.
9581 (mulsidi3+1, umulsidi3+1): New define_split.
9583 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
9585 * config/sh/sh.md: Guard insn splits against illegal registers.
9586 * config/sh/sh.h: Correct comment about macros.
9588 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9589 Andrew MacLeod <amacleod@cygnus.com>
9591 * Makefile.in (lcm.o): Depend on insn-attr.h.
9592 * basic-block.h (optimize_mode_switching): Declare.
9593 * lcm.c (tm_p.h, insn-attr.h): #include.
9594 (seginfo, bb_info): New structs.
9595 (antic, transp, comp, delete, insert) : New file-scope static variables.
9596 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
9597 (reg_becomes_live, optimize_mode_switching): Likewise.
9598 * tm.texi: Add description of mode switching macros.
9599 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
9601 * sh-protos.h (remove_dead_before_cse): Remove prototype.
9602 (fldi_ok, fpscr_set_from_mem): New prototypes.
9603 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
9604 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
9605 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
9606 (sh_flag_remove_dead_before_cse): Remove declaration.
9607 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
9608 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
9609 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
9610 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
9611 (barrier_align): Allow for JUMP_INSNS containing a parallel.
9612 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
9613 (fldi_ok): New function.
9614 (get_fpscr_rtx): Add fpscr_rtx as GC root.
9615 (emit_sf_insn): Only generate fpu switches when optimize < 1.
9616 (emit_df_insn): Likewise.
9617 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
9618 (sh_flag_remove_dead_before_cse): Delete.
9619 (get_free_reg, fpscr_set_from_mem): New functions.
9620 * sh.md (movdf, movsf): Remove no_new_pseudos code.
9621 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
9623 2000-02-15 Loren Rittle <ljrittle@acm.org>
9625 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
9627 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9629 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
9630 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
9632 * cccp.c: Include version.h and/or don't declare `version_string'.
9633 * collect2.c: Likewise.
9634 * alpha.c: Likewise.
9635 * arm/aof.h: Likewise.
9636 * arm/coff.h: Likewise.
9637 * arm/elf.h: Likewise.
9638 * arm/pe.h: Likewise.
9639 * arm/tcoff.h: Likewise.
9640 * arm/telf.h: Likewise.
9641 * arm/tpe.h: Likewise.
9642 * arm/vxarm.h: Likewise.
9643 * convex/convex.c: Likewise.
9644 * i386/dgux.c: Likewise.
9645 * i386/sun386.h: Likewise.
9646 * m88k/m88k.c: Likewise.
9647 * mcore/mcore-pe.h: Likewise.
9648 * mips/mips.h: Likewise.
9649 * romp/romp.h: Likewise.
9650 * sh/sh.c: Likewise.
9651 * cpphash.c: Likewise.
9652 * cppinit.c: Likewise.
9653 * dwarf2out.c: Likewise.
9654 * dwarfout.c: Likewise.
9657 * mips-tfile.c: Likewise.
9658 * protoize.c: Likewise.
9659 * toplev.c: Likewise.
9662 * version.c (version_string): Constify a char*.
9664 * version.h: New file.
9666 2000-02-14 Nick Clifton <nickc@cygnus.com>
9668 * configure.in: Add mcore-elf and mcore-pe targets.
9669 * configure: Regenerate.
9671 * NEWS: Add note that MCore port has been contributed.
9673 * invoke.texi: Document command line switches for MCore port.
9674 * install.texi: Add MCore to list of supported targets.
9676 2000-02-14 Geoff Keating <geoffk@cygnus.com>
9678 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
9679 then we will need to import the frame handling functions.
9680 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
9681 to import the frames themselves.
9683 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
9684 Jason Eckhardt <jle@cygnus.com>
9686 * basic_block.h: Added prototype for reorder_basic_blocks.
9687 * toplev.c: Changes to add -freorder-blocks and graph dump after
9688 block reordering is done.
9689 * flow.c (reorder_block_def): New structure for use during block
9691 (REORDER_BLOCK_*): New macros to access members of above structure.
9692 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
9693 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
9694 functions for block reordering.
9696 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
9698 * gcc.texi (Passes): Fix typo.
9699 * md.texi (Standard Names): Ditto.
9700 * tm.texi (Storage Layout): Ditto.
9702 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
9704 * cpplib.c (do_define): Only free the old definition if it
9707 2000-02-13 Neil Booth <NeilB@earthling.net>
9709 * cppfiles.c (read_and_prescan): When emitting deferred
9710 newlines, test speccase[] again instead of checking each
9711 possible whitespace character in turn. When we encounter \r,
9712 look behind for \n first, then ahead.
9714 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
9716 * cse.c (cse_altered): New internal flag.
9717 (cse_insn): Set it if we changed an insn.
9718 (cse_main): Clear cse_altered before each basic block.
9719 Only garbage collect if cse_altered is true afterward.
9721 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9723 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
9725 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
9727 * combine.c (simplify_comparison): Fix typo.
9729 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
9731 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
9734 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9736 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
9737 previously inserted node instead of root node. Caller changed.
9739 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9741 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
9743 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9745 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
9746 __dereg_frame_dtor): Add prototype argument.
9748 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
9750 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
9752 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
9754 * gthr-vxworks.h (__gthread_once): Likewise.
9756 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
9758 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
9760 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
9761 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
9762 stack pointer in functions w/o saved registers, output LEAVE more often
9763 on TARGET_USE_LEAVE machines.
9765 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
9767 * config/arm/arm.c (arm_init_cumulative_args); New function:
9768 Initlaise the CUMULATIE_ARGS strcuture for a function
9770 (arm_function_arg): New function: Determine where to place a
9771 function's argument. Also handles deciding the function's
9773 (current_file_function_operand): New function: Return true if
9774 the symbol is a function which has already been compiled.
9775 (arm_is_long_call_p): New function: Return true if the
9776 indicated function should be called via a long call.
9777 (arm_valid_type_attribute_p): New function: Return true if the
9778 attribute is a valid, arm specific, attribute.
9779 (arm_comp_type_attribute): New function: Return true if the
9780 two types have compatable, arm specific, attributes.
9782 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
9784 (FUNCTION_ARG): Redefine to call arm_function_arg.
9785 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
9787 (INIT_CUMULATIVE_ARGS): Redefine to call
9788 arm_init_cumulative_args.
9789 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
9791 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
9793 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
9795 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
9796 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
9797 (COMP_TYPE_ATTRIBUTES): Define.
9799 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
9800 if a long call is needed.
9801 (call_value): Call arm_is_long_call_p to decide if a long call
9803 (call_symbol): Call arm_is_long_call_p to decide if a long call
9806 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
9808 2000-02-11 Denis Chertykov <denisc@overta.ru>
9810 * README.AVR: New file with information about the avr ports.
9811 * config/avr: New directory with avr port files.
9813 2000-02-11 Andreas Jaeger <aj@suse.de>
9815 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
9817 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
9819 * cpphash.c: Fix formatting, update commentary.
9820 (dump_definition): Take three separate arguments instead of a
9821 MACRODEF structure argument.
9822 * cpphash.h: Update prototype of dump_definition.
9823 * cppinit.c (cpp_finish): Update call of dump_definition.
9825 * cpplib.c (do_define): Always create new hash entry with
9826 T_MACRO type. Remove redundant check for redefinition of
9827 poisoned identifier. Update call of dump_definition.
9828 (do_undef): Don't call check_macro_name. Rename sym_length to
9830 (do_error, do_warning): Don't use copy_rest_of_line or
9832 (do_warning): Don't use pedwarn for the actual warning,
9833 only the notice about its not being in the standard. (Fixes
9834 bug with #warning in system headers.)
9835 (do_ident): Stricter argument checking - accept only a single
9836 string after #ident. Also, macro-expand the line.
9837 (do_xifdef): Use cpp_defined. De-obfuscate.
9839 (do_pragma): Split out specific pragma handling to separate
9840 functions. Use get_directive_token. Update commentary. Do
9841 not pass on #pragma once or #pragma poison to the front end.
9842 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
9843 do_pragma_default): New.
9845 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
9847 * jump.c (jump_optimize_1): The first operand in a relational
9849 * optabs.c (emit_conditional_move): Handle relationals which
9850 have a known true/false result.
9852 2000-02-11 Geoff Keating <geoffk@cygnus.com>
9854 * function.c (thread_prologue_and_epilogue_insns): Don't insert
9855 a RETURN insn into a block which already ends with a jump.
9857 2000-02-11 Geoff Keating <geoffk@cygnus.com>
9859 * haifa-sched.c (BUF_LEN): Increase a lot.
9861 2000-02-11 Nick Clifton <nickc@cygnus.com>
9863 * configure.in: Add tm_p_file specification for thumb targets.
9864 * configure: Regenerate.
9866 * config/arm/thumb-protos.h: New file: Prototypes for exported
9867 functions defined in thumb.c.
9869 2000-02-11 Robert Lipe <robertl@sco.com>
9871 * Makefile.in (bootstrap-lean): Remove additional files.
9872 (bootstrap2-lean): Likewise.
9873 (VOL_FILES): List of files for above.
9875 2000-02-11 Nathan Sidwell <nathan@acm.org>
9877 * cpphash.c (special_symbol): Remove spurious argument to
9880 2000-02-11 Joel Sherrill (joel@OARcorp.com>
9882 * configure.in: (i*86-*-rtems*): Swapped elf and coff
9884 * configure: Rebuilt.
9886 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
9888 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
9890 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
9892 * pa.c, pa.h: Remove trigraph sequences within comments.
9894 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
9896 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
9898 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
9900 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
9902 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9904 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
9906 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9908 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
9909 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
9910 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
9911 (ASM_FILE_END): Use c4x_file_end.
9912 * config/c4x/c4x.c (c4x_global_label): New function.
9913 (c4x_external_ref, c4x_file_end): Likewise.
9915 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
9916 (c4x_external_ref, c4x_end_file): Likewise.
9918 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
9920 * cppexp.c: Don't include cpphash.h.
9921 (parse_charconst, cpp_lex): Use cpp_defined.
9922 (cpp_lex): Use get_directive_token throughout. Remove
9923 unnecessary cases from switch. Move assertion-handling code
9925 (cpp_parse_expr): If we see '+' or '-', check the context to
9926 determine if they are unary or binary operators. Streamline
9927 the jumps a bit. Do not call skip_rest_of_line.
9929 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
9930 static. Export get_directive_token. Update commentary.
9931 (cpp_defined): New function.
9932 (do_define): Remove reference to T_PCSTRING. Call
9933 free_definition to release memory for old definition, when
9935 (eval_if_expression): Set only_seen_white to 0 before calling
9936 cpp_parse_expr. Call skip_rest_of_line after it returns.
9937 (cpp_read_check_assertion): Don't preserve a pointer into the
9938 token buffer across a call to cpp_get_token.
9940 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
9941 * cppfiles.c (redundant_include_p): Use cpp_defined.
9942 * cpphash.c (free_definition): New function.
9943 (delete_macro): Use it. Update commentary.
9944 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
9946 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
9947 from enum node_type. Prototype cpp_defined and get_directive_token.
9948 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
9950 * fix-header.c (check_macro_names): Use cpp_defined.
9951 (read_scan_file): Set inhibit_warnings and inhibit_errors in
9952 the options structure.
9954 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9956 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
9958 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
9960 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
9961 rather than die->die_tag.
9963 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9965 * combine.c (make_extraction, force_to_mode): Avoid warning on
9966 mixed-signedness conditionals.
9967 (make_field_assignment, nonzero_bits): Likewise.
9968 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
9969 (store_split_bit_field, extract_split_bit_field): Likewise.
9970 (extract_fixed_bit_field, store_bit_field,
9971 * expr.c: Change alignment to be unsigned everywhere.
9972 (move_by_pieces, store_constructor_field, store_constructor):
9973 Alignment parm is unsigned.
9974 (emit_block_move, emit_group_load, emit_group_store): Likewise.
9975 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
9976 (do_compare_rtx_and_jump): Likewise.
9977 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
9978 Compare align with GET_MODE_ALIGNMENT.
9979 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
9980 (get_inner_reference): Likewise.
9981 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
9982 (expand_assignment): Local vars for alignment now unsigned.
9983 (store_constructor, store_field, expand_expr, do_jump): Likewise.
9984 (do_compare_and_jump): Likewise.
9985 (store_field): Call new function expr_align.
9986 * expr.h (emit_block_move, emit_group_load, emit_group_store):
9987 Alignment arg now unsigned.
9988 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
9989 (do_compare_rtx_and_jump, store_bit_field): Likewise.
9990 (extract_bit_field): Likewise.
9991 * fold-const.c (add_double): Add cast to eliminate signedness warning.
9992 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
9993 (get_best_mode): Alignment arg is unsigned.
9994 * rtl.h (move_by_pieces): Likewise.
9995 * store-layout.c (maximum_field_alignment, set_alignment):
9997 (layout_decl): Alignment arg is now unsigned.
9998 Remove unneeded casts.
9999 (layout_record, layout_union, layout_type): Remove unneeded casts.
10000 Local alignment variables now unsigned.
10001 (get_best_mode): Alignment arg now unsigned.
10002 * tree.c (expr_align): New function.
10003 * tree.h (expr_align): Likewise.
10004 (maximum_field_alignment, set_alignment): Now unsigned.
10005 (get_inner_reference): Alignment argument is now pointer to unsigned.
10006 * varasm.c (assemble_variable): Add cast to eliminate warning.
10008 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
10010 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
10011 then store directly into op0.
10013 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
10014 the CALL_INSN, and emit the note immediately after it.
10016 2000-02-10 Nick Clifton <nickc@cygnus.com>
10018 * config/arm/thumb.md (epilogue): Include a (return) in the
10019 generated insn, and emit it using emit_jump_insn not
10022 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
10024 * function.c (assign_temp): Change zero-sized arrays to size 1.
10025 * integrate.c (expand_inline_function): Do not update
10026 stack_alignment_needed
10027 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
10028 add some sanity checking, remove optimization for function with
10031 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10033 * flow.c (mark_regs_live_at_end): Delete unused variables.
10035 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
10037 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
10038 in macro FRAME_GROWS_DOWNWARD.
10040 * stmt.c (expand_end_bindings): Delete unused variable.
10042 * unroll.c (iteration_info): Mark parameter `loop' with
10045 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10047 * fixinc/server.c (load_data): Return NULL if the marker line is
10049 (run_shell): If load_data returns NULL, retry the command once, in
10052 * configure: Rebuilt.
10054 2000-02-09 Bruce Korb <bkorb@gnu.org>
10056 * gcc/fixincludes: ** DELETED **
10057 * gcc/fixcpp: ** DELETED **
10058 * gcc/fixinc-nt.sed: ** DELETED **
10059 * gcc/just-fixinc: ** DELETED **
10060 * gcc/Makefile.in: Removed out-dated commentary
10061 * gcc/configure.in: Removed fast-fixincludes disablement.
10062 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
10064 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10065 * function.c (thread_prologue_and_epilogue_insns): Uncomment
10068 2000-02-09 Richard Henderson <rth@cygnus.com>
10070 * jump.c (delete_insn): Don't delete user labels at -O0.
10072 2000-02-09 Robert Lipe <robertl@sco.com>
10074 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
10075 Don't link with HOST_LIBS.
10077 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10079 * configure.in: Correct --help text for --with-dwarf2.
10080 Put tm-dwarf2.h after other tm files, if it's requested.
10081 * configure: Regenerate.
10082 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
10085 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10087 * cpplib.h: Provide HASHNODE typedef and forward decl of
10088 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
10089 DEFINITION, struct hashnode, struct macrodef, struct
10090 definition, scan_decls prototype, default defn of
10091 INCLUDE_LEN_FUDGE moved elsewhere.
10093 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
10094 definition, and struct hashnode moved here. Remove the unused
10095 'predefined' field from struct definition. Replace the 'args'
10096 union with its sole member. All users updated (cpphash.c).
10097 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
10098 multiple include guard.
10100 * cpphash.c (hashf): Make static; use better algorithm; drop
10101 HASHSIZE parameter; return an unsigned int.
10102 (cpp_lookup): Drop HASH parameter. PFILE parameter is
10103 used. Calculate HASHSIZE modulus here.
10104 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
10106 (create_definition): Drop PREDEFINITION parameter.
10107 * cpplib.c (do_define): Don't calculate a hash value here.
10108 Don't pass (keyword == NULL) to create_definition.
10110 * scan.h: Prototype scan_decls here.
10111 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
10112 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
10113 callers of cpp_lookup and cpp_install updated.
10115 * cpphash.c (macarg): Hoist all the flag diddling out of the
10117 (macroexpand): ... and out of the loop that calls macarg.
10118 Skip over the initial paren before macro arguments with
10119 cpp_get_non_space_token; point may be some distance before
10120 that paren. Abort if it's not there.
10122 * cpplib.c (parse_clear_mark): Delete function.
10123 (parse_set_mark, parse_goto_mark): Make static.
10124 (ACTIVE_MARK_P): New macro.
10125 (skip_block_comment, skip_line_comment): Do not bump the line
10126 if ACTIVE_MARK_P is true.
10127 (cpp_pop_buffer): The buffer to be popped may not have an
10129 (cpp_get_token): When looking for the initial paren before
10130 macro arguments, only set a mark in a file buffer, Always
10131 return to that mark before proceeding to call macroexpand or
10132 return a NAME token.
10134 * cpplib.h: Remove prototypes of parse_set_mark,
10135 parse_clear_mark, parse_goto_mark.
10136 (struct cpp_options): Rename 'put_out_comments' to
10137 'discard_comments' and invert its sense.
10138 * cppinit.c, cpphash.c, cpplib.c: All users of
10139 put_out_comments changed to use discard_comments, with
10142 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10144 * function.c (thread_prologue_and_epilogue_insns): Don't delete
10145 the edge from a block that both jumps and falls through to the
10148 2000-02-09 Scott Bambrough <scottb@netwinder.org>
10150 * config/arm/arm.md (movsi): In PIC mode, make sure that a
10151 constant source address is legitimate.
10153 2000-02-09 Philip Blundell <pb@futuretv.com>
10155 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
10158 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
10160 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
10162 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10164 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
10165 ends with a newline and a NUL. Don't be so clever manipulating
10168 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
10170 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
10171 not to BIGGEST_ALIGNMENT.
10173 2000-02-08 Geoff Keating <geoffk@cygnus.com>
10175 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
10176 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
10177 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
10178 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
10179 * frame.c (execute_cfa_insn): Handle
10180 DW_CFA_GNU_negative_offset_extended.
10182 2000-02-08 Richard Henderson <rth@cygnus.com>
10184 * flow.c (tidy_fallthru_edges): Split out from ...
10185 (delete_unreachable_blocks): ... here.
10186 (find_basic_blocks): Use it.
10188 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10190 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
10192 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
10194 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
10195 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
10196 (fix-header.o): Don't depend on cpphash.h.
10198 * scan.c (hashstr): New function.
10199 * scan.h: Prototype it.
10200 * fix-header.c: Don't include cpphash.h. Use hashstr.
10201 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
10202 hashstr. Report hash table statistics. Add private
10203 definition of xrealloc.
10205 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10207 * i386.h (TARGET_SWITCHES): Fix typo in option name.
10209 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
10211 * function.c (thread_prologue_and_epilogue_insns): Don't replace
10212 jumps with returns unless they are jumps to the fallthru block.
10214 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
10216 * i386.md (addqi3_cc): Fix contraints.
10218 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
10220 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
10222 2000-02-07 Mark Mitchell <mark@codesourcery.com>
10224 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
10225 carriage return after a macro name.
10227 2000-02-07 Fred Fish <fnf@be.com>
10229 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
10230 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
10232 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
10234 * cppfiles.c (deps_output): Count spacers in deps_column.
10236 2000-02-07 Neil Booth <NeilB@earthling.net>
10238 * cppinit.c (initialize_dependency_output): If there is no
10239 suffix, don't try to look for known suffixes. Use strrchr.
10240 (cpp_start_read): Remove duplicate initialization.
10242 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
10244 * calls.c (compute_argument_block_size): New argument
10245 preferred_stack_boundary.
10246 (expand_call): update cfun->preferred_stack_boundary, update call of
10247 compute_argument_block_size
10248 (emit_library_call): Increate cfun->preferred_stack_boundary
10249 to PREFERRED_STACK_BOUNDARY
10250 (emit_library_call_value): Likewise.
10251 * explow.c (allocate_dynamic_stack_spave): Likewise.
10252 * function.c (prepare_function_start): Set
10253 cfun->preferred_stack_boundary
10254 * function.h (struct function): Add preferred_stack_boundary field.
10255 * integrate.c (expand_inline_function): Update
10256 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
10257 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
10258 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
10260 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
10262 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
10263 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
10264 cpp_pedwarn, cpp_pedwarn_with_line,
10265 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
10266 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
10267 v_cpp_error_with_line, v_cpp_warning_with_line,
10268 cpp_message_from_errno, cpp_perror_with_name): Delete.
10270 * cpperror.c (cpp_print_containing_files): Take starting
10271 buffer as argument.
10272 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
10273 (v_cpp_message): Now called directly by all entry points.
10275 (cpp_pfatal_with_name, cpp_message): Delete.
10276 (cpp_notice_from_errno, cpp_ice): New functions.
10277 (cpp_notice): Is now for reporting error conditions, just
10278 without an associated file.
10279 (cpp_error, cpp_error_with_line): Don't do anything if
10280 opts->inhibit_errors is on.
10281 (cpp_pedwarn_with_file_and_line): Take column argument also.
10283 * cpplib.h: Update prototypes of exported functions.
10284 (struct cpp_options): Add inhibit_errors.
10286 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
10287 non-error messages. Include intl.h.
10289 * cppinit.c, cppmain.c: Likewise. Also, use
10290 cpp_notice_from_errno instead of cpp_perror_with_name or
10291 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
10293 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
10294 report internal errors.
10296 * cpplib.c (do_define): Switch bcopy to memcpy.
10297 Give cpp_pedwarn_with_file_and_line a dummy column argument.
10299 * cpplib.c (copy_rest_of_line): Revert previous change: don't
10300 bail out early if we hit a line comment.
10302 2000-02-06 Richard Henderson <rth@cygnus.com>
10304 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
10305 * basic-block.h: Declare them.
10306 * emit-rtl.h (active_insn_p): New.
10307 (next_active_insn, prev_active_insn): Use it.
10308 * rtl.h: Declare it.
10309 * function.c (emit_return_into_block): New.
10310 (thread_prologue_and_epilogue_insns): Insert return insns instead
10311 of epilogues when possible.
10312 * jump.c (jump_optimize_1): Remove code to insert a return insn
10313 on the fallthru to the exit block.
10315 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
10316 and for non-empty stack frames.
10317 * i386.md (return): Expand to return-pop as needed.
10319 2000-02-06 Richard Henderson <rth@cygnus.com>
10321 * simplify-rtx.c (simplify_relational_operation): Canonicalize
10322 constant to op1 for testing.
10324 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10326 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
10327 (fixuns_truncqfqi2): Use it.
10329 2000-02-06 Richard Henderson <rth@cygnus.com>
10331 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
10332 as a TYPE_LEA insn.
10334 * i386.md (widening and peepholes): Mask the constant instead of
10337 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
10339 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
10340 input pointer before possibly branching off to the backslash
10342 * cpphash.c (macroexpand): Correctly delete \r escapes when
10343 stringifying parameters.
10344 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
10345 if we can; bail out early if we hit a line comment.
10346 (handle_directive): Treat '# 123' in an .S file just like
10347 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
10348 Return 1 for '# not_a_directive'.
10349 (get_directive_token): Pop macro buffers here, so that
10350 cpp_get_token can't sneakily move past a newline.
10352 (cpp_get_token): goto randomchar if handle_directive returns 0.
10354 * cppalloc.c: Update copyright.
10355 * cpplib.c: Merge all the static function prototypes into one
10357 * cpplib.h: Remove #if 0 block.
10359 * cpperror.c: Remove #ifdef EMACS block.
10360 * cppmain.c: Likewise.
10361 * cpphash.c: Remove #if 0 blocks.
10362 * cppinit.c: Remove #if 0 blocks, and the -lint option.
10363 * cpplib.c: Remove #if 0 blocks and code referencing
10364 pcp_inside_if or for_lint. Remove duplicate error message.
10365 Fix error messages for #else after #else or #elif. Reformat.
10366 Remove archaic TODO list.
10367 * cpplib.h: Remove pcp_inside_if and for_lint flags.
10369 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
10371 * i386/osf1elf.h: Add missing backslash to multiline string.
10373 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10375 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
10377 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10379 * Makefile.in (c-common.o): Depend on $(EXPR_H).
10381 * c-common.c: Include expr.h.
10383 * c-pragma.c (mark_align_stack): Add prototype.
10385 * caller-save.c (add_stored_regs): Likewise.
10387 * combine.c (record_promoted_value): Likewise.
10389 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
10392 * cppinit.c (new_pending_define): Likewise.
10394 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
10396 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
10397 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
10398 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
10399 class_scope_p): Likewise.
10401 * dwarf2out.h (dwarf2out_set_demangle_name_func,
10402 dwarf2out_add_library_unit_info): Likewise.
10404 * ggc.h (ggc_page_print_statistics): Likewise.
10406 * haifa-sched.c (propagate_deps): Likewise.
10408 * reg-stack.c (next_flags_user, record_label_references): Likewise.
10410 * rtl.h (set_stack_check_libfunc): Likewise.
10412 * toplev.h (set_fatal_function): Likewise.
10414 * toplev.c (set_fatal_function): Delete prototype.
10416 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
10418 2000-02-05 Geoff Keating <geoffk@cygnus.com>
10420 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
10421 (FUNC_END): Likewise.
10423 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10425 * caller-save.c: Include tm_p.h.
10427 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10429 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
10431 2000-02-04 Neil Booth <NeilB@earthling.net>
10433 * cccp.c (main): Check 'dir' for a NULL pointer before passing
10436 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
10438 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
10439 * genflags.c: Use the max_operand_1 logic from genemit.c to
10440 calculate how many arguments gen_insn prototypes have. Remove
10441 NO_MD_PROTOTYPES ifdefs from the generated file.
10442 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
10443 file. Cast gen_insn initializers to insn_gen_fn.
10444 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
10445 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
10447 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10449 * fixinc/Makefile.in (HDR): Add machname.h.
10452 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10454 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
10455 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
10456 (c4x_cpu_version): Ditto.
10457 * config/c4x/c4x-protos.h: ... here.
10459 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
10461 * dwarf2out.c (add_abstract_origin_attribute): Don't call
10462 gen_abstract_function on our context if we're a nested function.
10464 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10466 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
10467 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
10469 2000-02-04 Bruce Korb <bkorb@gnu.org>
10471 * fixinc/genfixes(machname.h):
10472 Move the functionality from gen-machine.h into this file.
10473 UNdef MN_NAME_PAT if there are no names to change.
10474 Also, be a little kinder when AutoGen is not present.
10476 * fixinc/Makefile.in(machname.h):
10477 Change the generation rule to use genfixes.
10479 * fixinc/fixfixes.c(machine_name):
10480 machine_name_fix's functionality now dependent upon whether
10481 MN_NAME_PAT is defined.
10483 * fixinc/fixtests.c(machine_name):
10486 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
10489 * fixinc/fixlib.h(mn_get_regexps):
10492 * fixinc/gen-machine.h: DELETED
10494 2000-02-04 Jan Hubicka <jh@suse.cz>
10495 Richard Henderson <rth@cygnus.com>
10497 * i386.c (SAVE_REGS_FIRST): Remove.
10498 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
10499 (ix86_compute_frame_size): Likewise.
10500 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
10501 (ix86_emit_restore_regs): Remove.
10502 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
10503 when a frame pointer is in use.
10504 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
10505 instead of pop to restore a register when profitable; emit leave
10507 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
10508 as a TYPE_LEA insn.
10509 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
10510 * i386.md (prologue_allocate_stack): Remove.
10511 (epilogue_deallocate_stack): Remove.
10512 (pro_epilogue_adjust_stack): New.
10514 2000-02-04 Richard Henderson <rth@cygnus.com>
10516 * function.c (diddle_return_value): Rework to use a callback function.
10517 Use current_function_return_rtx if it's been set up.
10518 (do_clobber_return_reg, clobber_return_register): New.
10519 (do_use_return_reg, use_return_register): New.
10520 (expand_function_end): Use them.
10521 * stmt.c (expand_null_return): Likewise.
10522 * function.h: Declare them.
10523 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
10524 (mark_reg): Change arguments as appropriate for callback.
10525 * integrate.c (expand_inline_function): Revert 19 Jan change.
10527 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
10529 * tm.texi (Values in Registers): Fix typo: "fo" "for".
10530 (Misc): Say the scheduler, not the Haifa scheduler.
10532 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
10534 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
10535 when in_mem is set. Update all callers.
10537 2000-02-04 Richard Henderson <rth@cygnus.com>
10539 * i386/openbsd.h (INT_ASM_OP): Define.
10541 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
10543 * tm.texi: Fix various typos.
10545 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
10547 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
10548 (MD_STARTFILE_PREFIX_1): New macro.
10550 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
10552 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
10553 destination when needed.
10554 (strmovsi, strsetsi): New expander.
10555 (strmovsi_1, strsetsi_1): New pattern.
10556 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
10557 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
10558 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
10559 * invoke.texi (align-stringops, inline-all-stringops): Document.
10561 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
10563 * i386/netbsd.h (INT_ASM_OP): Define.
10565 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
10567 * cpplib.h (cpp_reader): Add new flag, no_directives.
10568 * cpphash.c (macarg): Set it.
10569 * cpplib.c (handle_directive): If no_directives is on and we
10570 find a directive, issue an error and discard the line.
10572 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
10574 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
10575 FP constants. Add ! TARGET_FPU check for FP constants.
10577 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
10579 * flow.c (find_basic_blocks): Don't kill label_value_list
10581 (cleanup_cfg): Kill it here.
10583 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10585 * expr.c (store_field): Ensure ALIGN is no stricter than the
10588 2000-02-02 Richard Henderson <rth@cygnus.com>
10590 * jump.c (delete_insn): Partially revert 19 Jan change;
10591 don't convert unused code labels to notes at -O0.
10593 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10595 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
10596 split_all_insns to recreate REG_LABEL notes for flow2 pass.
10598 2000-02-01 Richard Henderson <rth@cygnus.com>
10600 * i386.c (general_no_elim_operand): New.
10601 (nonmemory_no_elim_operand): New.
10602 (ix86_expand_move): Copy eliminable operands before a push.
10603 * i386-protos.h: Declare new functions.
10604 * i386.h (CAN_ELIMINATE): Simplify.
10605 (PREDICATE_CODES): Update.
10606 * i386.md (push insns): Don't allow eliminable register operands.
10608 2000-02-01 Richard Henderson <rth@cygnus.com>
10610 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
10611 replace BLKmode with DECL_RTL's mode.
10613 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
10615 * frame.c (find_fde): Convert for loop to do-while so compiler
10616 sees it's always executed at least once.
10617 * libgcc2.c (BBINBUFSIZE): Kill.
10618 (__bb_init_prg): Use fgets.
10619 (__bb_exit_trace_func): Don't paste strings.
10620 * unroll.c (unroll_loop): Initialize unroll_type, not
10621 unroll_number, and tweak logic to match.
10623 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
10625 (ix86_flags_dependant): Likewise. Disentangle control flow.
10626 (ix86_sched_reorder): Break guts out to
10627 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
10628 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
10631 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
10632 use string concatenation. Don't save and restore esi.
10634 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
10635 (machname.h): Remove script to separate file. Use two-step
10636 sequence so target is not created if script fails.
10637 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
10638 identifiers are defined.
10639 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
10640 an empty string, machine_name doesn't need to do anything at
10642 (is_cxx_header): Add more cases to regexp.
10643 * fixinc/fixlib.h: Update prototype.
10644 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
10646 * fixinc/fixincl.c: Define NO_BOGOSITY.
10648 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
10649 (hp_sysfile): Add missing comma.
10650 (math_exception): Put the wrapper ifdefs at the beginning and
10651 the end of the file.
10652 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
10654 2000-02-01 Richard Henderson <rth@cygnus.com>
10656 * sparc.c (fp_zero_operand): Turn into a normal predicate.
10657 Use CONST0_RTX. Update all callers.
10658 * sparc.h, sparc-protos.h: Update accordingly.
10659 * sparc.md (fp mov insns): Use fp_zero_operand directly
10662 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
10664 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
10667 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10669 * Makefile.in (specs.ready): New target.
10670 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
10672 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10674 * fixinc.irix: Use unique filenames for writing into /tmp,
10675 * fixinc.ptx: Likewise.
10676 * fixinc.sco: Likewise.
10677 * fixinc.svr4: Likewise.
10678 * fixinc.winnt: Likewise.
10680 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10682 * tsystem.h: New file.
10684 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
10685 s-crtS): Depend on tsystem.h.
10687 * crtstuff.c: Include tsystem.h.
10688 * frame.c: Likewise.
10689 * libgcc2.c: Likewise.
10691 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
10693 * builtins.c (expand_builtin_memset): Expand for variable sized
10696 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
10698 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
10701 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
10703 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
10705 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
10707 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
10709 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
10710 case 3->2 combining (combining with splitting) in which 2 is CC0
10711 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
10712 checked at the begining of the function with the aid of calling
10713 function 'can_combine_p'.
10715 2000-01-31 Dave Brolley <brolley@redhat.com>
10717 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
10719 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
10721 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
10724 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10726 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
10728 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
10731 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
10733 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
10734 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
10735 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
10736 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
10737 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
10738 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
10739 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
10740 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
10741 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
10742 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
10744 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
10745 Add %(cpp_cpu) to CPP_SPEC.
10747 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
10748 Add %(cc1_cpu) to CC1_SPEC.
10750 2000-01-28 Ulrich Drepper <drepper@redhat.com>
10752 * c-decl.c (c_decode_option): Accept optional numeric argument to
10753 -Wformat and set warn_format.
10754 * c-common.c: Don't emit warning about non-constant printf format
10755 string unless warn_format > 1.
10757 2000-01-30 Richard Henderson <rth@cygnus.com>
10759 * alpha.md (return_internal): Allow after reload only.
10761 2000-01-30 Richard Henderson <rth@cygnus.com>
10763 * i386.c (ix86_compute_frame_size): Omit padding1 if the
10764 local frame size is zero.
10766 2000-01-30 Richard Henderson <rth@cygnus.com>
10768 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
10769 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
10770 * alpha.md (return): Turn into an expander.
10771 (return_internal): Don't use $26.
10772 (epilogue): Emit the return insn.
10774 2000-01-30 Richard Henderson <rth@cygnus.com>
10776 * alpha.md (negtf2, abstf2): Fix word order thinko.
10777 (extendsftf2): New.
10778 (trunctfsf2): Avoid intermediate rounding errors.
10780 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
10782 * cppfiles.c (find_position): Drop 'colp' argument, return the
10784 (read_and_prescan): Adjust to match. Don't ever manipulate
10785 line or line_base except via find_position.
10787 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
10789 * c-parse.in: Apply Ulrich's changes from c-parse.y.
10790 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
10793 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
10795 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
10796 just print "<command line>". If 'filename' is null or an
10797 empty string, print "<stdin>" for the filename.
10798 * cpplib.c (do_define): Don't print the 'location of the
10799 previous definition' message if we're still parsing the
10801 (cpp_pedwarn_with_file_and_line): Always call
10802 cpp_file_line_for_message.
10804 2000-01-29 Mark Mitchell <mark@codesourcery.com>
10806 * flow.c (mark_regs_live_at_end): Fix typo.
10808 2000-01-28 Ulrich Drepper <drepper@redhat.com>
10810 * c-common.c: Adjust variable names, comments, help strings to c99.
10811 * c-lex.c: Likewise.
10812 * c-parse.y: Likewise.
10813 * c-tree.h: Likewise.
10814 * cccp.c: Likewise.
10815 * cpplib.h: Likewise.
10816 * c-decl.c: Likewise. Recognize options with names "*99" as well.
10817 * cppinit.c: Likewise.
10819 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10821 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
10822 * c4x.c: Define the optab rtx values.
10823 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
10824 (c4x_emit_libcall): Use new optab rtx values.
10825 (c4x_emit_libcall3): Likewise.
10826 (c4x_emit_libcall_mulhi): Likewise.
10827 * c4x-protos.h: Add prototypes for optab rtx values and change
10828 prototypes for above c4x_emit_libcall functions.
10830 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10832 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
10834 (c4x_function_prologue): Use regnames intead of float_reg_names when
10836 (c4x_function_epilogue): Likewise.
10837 (c4x_print_operand): Likewise.
10838 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
10839 * c4x.md (set_high): Disable for TARGET_TI.
10841 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10843 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
10844 of framepointer + constant to ADDR_REGS class.
10845 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
10846 * c4x.c (std_or_reg_operand): New function.
10847 * c4x-protos.h (std_or_reg_operand): Prototype it.
10849 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10851 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
10852 object names as libgcc2.c.
10853 * libgcc.S: Use newly defined names.
10855 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
10856 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
10858 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
10859 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
10860 (FLOW_LOOP_LAST_BLOCK): Likewise.
10862 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10864 * basic-block.h (struct loop): New fields 'first' and 'last'.
10865 * flow.c (flow_loops_find): Compute loop->first and loop->last.
10866 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
10867 and loop->last to check for NOTE_INSN_LOOP_END.
10869 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
10871 * predict.c (estimate_probability): Use the new FIRST and LAST fields
10872 of the loop descriptor rather than HEADER and LATCH. Also added
10873 missing break statements as well making some coding style modifications
10874 as suggested by Michael Hayes.
10876 2000-01-28 Richard Henderson <rth@cygnus.com>
10878 * flow.c (find_basic_blocks): Remove do_cleanup argument.
10879 Break out that code ...
10880 (cleanup_cfg): ... here.
10881 (commit_one_edge_insertion): Detect a return instruction being
10882 emitted to an edge. Emit a barrier following; clear fallthru.
10883 (commit_edge_insertions): Verify CFG consistency.
10884 * function.c (expand_function_start): Kill unused variable.
10885 (expand_function_end): Likewise.
10886 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
10887 to insert the epilogue.
10889 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
10890 (delete_null_pointer_checks): Likewise.
10891 * output.h: Likewise.
10892 * reg-stack.c (reg_to_stack): Likewise.
10893 * toplev.c (rest_of_compilation): Likewise. Run
10894 thread_prologue_and_epilogue_insns after rebuilding the CFG.
10896 2000-01-28 Richard Henderson <rth@cygnus.com>
10898 * Makefile.in (flow.o): Revert 24 Jan change.
10899 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
10900 FUNCTION_VALUE result to DECL_RESULT's mode.
10902 * haifa-sched.c (schedule_insns): Don't recompute reg info
10905 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
10907 * configure.in: Make --enable-cpplib the default.
10908 * configure: Regenerate.
10909 * gcc.dg/990119-1.c: No longer expected to fail.
10911 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
10913 * jump.c (jump_optimize_1): Delete an optimization that is also done
10914 by merge_blocks in flow.
10916 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10918 * diagnostic.c (build_message_string, output_printf,
10919 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
10920 (build_location_prefix): Fix non-literal format string.
10922 2000-01-27 Richard Henderson <rth@cygnus.com>
10924 * alpha.md (trunctfsf2): New.
10926 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
10928 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
10930 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
10932 * cppinit.c (cpp_handle_option): Recognize C++ comments under
10934 * cpplib.c (skip_block_comment, skip_line_comment): Split code
10936 (skip_comment) ... here. Permit C++ comments in system
10937 headers always. Warn about C++ comments in user code under
10938 -std=gnu89 -pedantic.
10939 (copy_comment): Use skip_comment.
10940 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
10942 (consider_directive_while_skipping, do_else, do_endif): Call
10943 validate_else unconditionally.
10944 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
10945 text after the conditional in a system header.
10946 * cpplib.h (struct cpp_buffer): Add flag
10947 warned_cplusplus_comments.
10949 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
10951 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
10952 Use unshare_all_rtl_1.
10953 (unshare_all_rtl_again): New function.
10954 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
10956 * function.c (purge_addressof_1): Use unshare_all_rtl_again
10957 rather than resetting the 'used' flags ourself.
10959 * toplev.c (rest_of_compilation): Add current_function_decl
10960 to the unshare_all_rtl call.
10961 * tree.h: Prototype unshare_all_rtl.
10962 * rtl.h: Prototype unshare_all_rtl_again here.
10964 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
10966 * genoutput.c (output_prologue): Include ggc.h in generated
10968 * Makefile.in (insn-output.o): Depends on ggc.h.
10970 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
10971 Hans-Peter Nilsson <hp@bitrange.com>
10973 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
10974 Remove redundant include of xm-ns32k.h.
10975 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
10976 Remove redundant include of xm-ns32k.h.
10977 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
10978 Remove redundant include of xm-ns32k.h.
10979 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
10981 * ns32k/ns32k.h: Update comment on multiply-add instructions.
10982 (TARGET_SWITCHES): Add documentation strings.
10983 (DWARF_FRAME_REGNUM): Override default definition.
10984 (REG_CLASS_CONTENTS): Add comments.
10985 (SUBSET_P): Format to reduce line length.
10986 (SMALL_REGISTER_CLASSES): Make a run time option.
10987 (GO_IF_NONINDEXED_ADDRESS): Reformat.
10988 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
10989 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
10990 (regclass_map): fix typo in comment.
10991 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
10992 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
10993 (trace, reg_or_mem_operand): Delete, unused function.
10994 (calc_address_cost): Small offsets are cheaper than large ones.
10995 (expand_block_move): Generate more efficient code when bytes is a
10996 known at compile time.
10997 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
10998 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
10999 instead of reg_or_mem_operand.
11001 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
11002 not general_operand. Similarly use "=rm" or stricter, not "=g".
11003 For input operands, use stricter constraints than "g" if not
11004 general_operand. Similarly use stricter predicate than
11005 "general_operand" when stricter constraints than "g" are present,
11006 except for matching constraints.
11007 (movstrsi): Use "memory_operand" for operands 0 and 1.
11008 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
11009 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
11010 not reg_or_mem_operand.
11011 (udivmoddisi4): Ditto.
11012 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
11013 Use nonimmediate_operand for operand 3, not register_operand.
11014 (udivmoddiqi4_internal): Use register_operand for operand 1, not
11015 reg_or_mem_operand.
11017 2000-01-27 Fred Fish <fnf@be.com>
11019 * gthr-posix.h: Fix typo; compatibily -> compatibility.
11020 * gthr-single.h: Likewise.
11021 * gthr-solaris.h: Likewise.
11022 * gthr-vxworks.h: Likewise.
11023 * gthr-win32.h: Likewise.
11024 * gthr.h: Likewise.
11026 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
11028 * cppinit.c: Add " (cpplib)" to end of string printed by
11031 2000-01-27 Richard Henderson <rth@cygnus.com>
11033 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
11034 testing for a signed comparison.
11035 (alpha_emit_floatuns): New.
11036 * alpha-protos.h: Declare it.
11037 * alpha.md (floatunsdisf2, floatunsdidf2): New.
11038 (extendsfdf2): Tidy.
11040 2000-01-27 Jakub Jelinek <jakub@redhat.com>
11042 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
11043 no -g option specifying debugging format, default to -gstabs+.
11045 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11047 * calls.c (special_function_p): New argument fork_or_exec.
11048 (expand_call): When profile_arc_flag is set and the function
11049 is in the fork_or_exec group, call __bb_fork_func first.
11050 * libgcc2.c, _bb module (__bb_fork_func): New function.
11051 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
11053 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
11054 * tree.h (special_function_p): Update prototype.
11056 2000-01-26 Richard Henderson <rth@cygnus.com>
11058 * alpha.c (alpha_split_tfmode_pair): New.
11059 * alpha-protos.h: Declare it.
11060 * alpha.md (abstf2, negtf2): New.
11061 (movtf insn): Add input G constraint.
11062 (movtf splitter): Use alpha_split_tfmode_pair.
11064 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11066 * i386/cygwin.h: PROTO -> PARAMS.
11068 2000-01-26 Jakub Jelinek <jakub@redhat.com>
11070 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
11071 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
11072 using _Qp_cmp/_Q_cmp and testing the return value.
11073 (print_operand): Call reverse_condition_maybe_unordered if
11074 we are handling CCFPmode or CCFPEmode.
11075 Handle ORDERED, UN* and LTGT comparisons.
11076 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
11077 if not TARGET_HARD_QUAD.
11078 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
11079 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
11080 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
11081 Adjust gen_b* calls so that they reflect return comparison of
11082 sparc_emit_float_lib_cmp.
11084 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11086 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
11087 incoming operands array is large enough for one more operand.
11088 (alpha_emit_xfloating_arith): Likewise.
11090 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11092 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
11093 file with one line and no trailing newline.
11094 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
11095 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
11096 checking if the match is on the line.
11097 * fixinc/gnu-regex.c: Provide regerror not __regerror.
11099 2000-01-25 Richard Henderson <rth@cygnus.com>
11101 * sparc.c (output_cbranch): Fix accidental squashing of the
11102 fp branch pre-delay nop.
11104 2000-01-25 Richard Henderson <rth@cygnus.com>
11106 * tree.def (UNNE_EXPR): Remove.
11107 * c-typeck.c (build_binary_op): Don't handle it.
11108 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
11110 * rtl.def (UNNE): Remove.
11112 * jump.c (reverse_condition): Update accordingly.
11113 (swap_condition): Likewise.
11114 (comparison_dominates_p): Handle unordered comparisons.
11115 (reverse_condition_maybe_unordered): New.
11116 * rtl.h (reverse_condition_maybe_unordered): Declare.
11118 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
11119 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
11120 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
11121 * sparc.md (bltgt): New.
11123 2000-01-25 Nick Clifton <nickc@redhat.com>
11125 * emit-rtl.c (emit_insn): Only check machine class insns for
11126 improper emission of a RETURN.
11128 2000-01-25 Richard Henderson <rth@cygnus.com>
11130 * Makefile.in (flow.o): Depend on $(EXPR_H).
11131 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
11132 duplicate the structure of diddle_return_value for keeping regs live.
11134 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11136 * loop.c (current_loop_info): Delete.
11137 (consec_sets_invariant_p): Add loop argument, update callers.
11138 (get_condition_for_loop): Likewise.
11139 (count_nonfixed_reads, update_giv_derive): Likewise.
11140 (simplify_giv_expr, general_induction_var): Likewise.
11141 (consec_sets_giv, recombine_givs): Likewise.
11142 (move_movables): Delete loop_start and loop_end arguments,
11143 add loop argument, and update callers.
11144 (find_mem_givs, check_final_value): Likewise.
11145 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
11146 (loop_invariant_p): Rename from invariant_p, add loop argument, and
11148 (basic_induction_var): Add loop argument, delete loop_level argument,
11149 and update callers.
11150 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
11151 add loop argument, and update callers.
11152 (find_splittable_regs, find_splittable_givs): Likewise.
11153 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
11154 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
11155 (biv_total_increment): Delete loop_start and loop_end arguments;
11157 (precondition_loop_p): Delete loop_start and loop_info arguments;
11159 * loop.h (get_condition_for_loop): Add loop argument.
11160 (biv_total_increment): Delete loop_start and loop_end arguments.
11161 (precondition_loop_p): Delete loop_start and loop_info arguments;
11163 (final_biv_value): Delete loop_start and loop_end arguments;
11165 (final_giv_value, back_branch_in_range_p): Likewise.
11167 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
11169 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
11171 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
11173 * Makefile.in (c-gperf.h) : Change the "See" pointer to
11174 point to the new "generated_files" doc.
11176 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
11178 * config/fp-bit.c (_unord_f2): Fix typo.
11180 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11182 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
11183 c-typeck.c, objc/objc-act.c: Remove all references to obstack
11184 functions obsoleted by GC, such as push_obstacks_nochange,
11185 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
11186 and code which existed only to decide whether or not to call
11187 them. Remove now-unused NESTED argument from start_function;
11188 all callers changed. Do not change behavior based on ggc_p.
11189 The use of the ixp_obstack in c-iterate.c and the util_obstack
11190 in objc/objc-act.c remain; these are not obsoleted by garbage
11192 * c-tree.h: Update prototype for start_function.
11194 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
11196 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
11198 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
11201 2000-01-25 Richard Henderson <rth@cygnus.com>
11203 * sparc-protos.h (select_cc_mode): Declare.
11204 * sparc.c (select_cc_mode): New. Handle unordered compares.
11205 (output_cbranch): Always reverse via code change. Handle
11206 unordered compares. Factor tests and string updates.
11207 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
11208 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
11209 * sparc.md (bunordered, bordered): New.
11210 (bungt, bunlt, buneq, bunge, bunle): New.
11212 2000-01-25 Richard Henderson <rth@cygnus.com>
11214 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
11215 * ggc-common.c (ggc_add_rtx_varray_root): New.
11216 (ggc_mark_rtx_varray): New.
11217 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
11218 functions down below ggc_mark_foo.
11219 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
11221 2000-01-25 Richard Henderson <rth@cygnus.com>
11223 * alpha.c (secondary_reload_class): Don't allocate a secondary
11224 for integral mode memories into FLOAT_REGS. Rearrange the more
11225 complicated memory expression inward.
11227 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11229 * inclhack.def: Fixes to play nicer with FreeBSD, and
11230 corrections to comments.
11231 (cxx_unready): Add select expression.
11232 (irix_sockaddr): Add bypass expression.
11233 (machine_ansi_h_va_list): New fix.
11234 (stdio_va_list): No need to edit _BSD_VA_LIST_.
11235 Split out addition of "#include <stdarg.h>" to...
11236 (stdio_stdarg_h): ... here.
11237 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
11238 to stdlib.h also. Do not munge _BSD_SIZE_T_.
11239 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
11241 (ultrix_ifdef): Tighten up select expression.
11243 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
11244 re_ct and max_mach to avoid use of shell. Make printed names
11245 match names in inclhack.def. Use static copyright date.
11246 Don't count c_test and test expressions as requiring regex_t
11247 slots. Add some commentary.
11248 * inclhack.tpl: Do not include the 'This script contains N
11249 fixup scripts' line if PROGRAM is defined. Use static
11252 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
11254 * dwarf2out.c: include "varray.h", not dyn-string.h.
11255 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
11256 (addr_const_to_string, addr_to_string): Lose.
11257 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
11258 (struct dw_val_struct): val_addr is now an rtx.
11259 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
11260 (used_rtx_varray): New varray.
11261 (dwarf2out_init): Initialize it.
11262 (save_rtx): New fn.
11263 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
11265 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
11266 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
11267 * Makefile.in (dwarf2out.o): Update dependencies.
11269 2000-01-24 Richard Henderson <rth@cygnus.com>
11271 * i386.c (i386_dwarf_output_addr_const): New.
11272 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
11274 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
11276 * dwarfout.c (output_mem_loc_descriptor): Likewise.
11277 * i386.c (i386_simplify_dwarf_addr): New.
11278 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
11280 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
11282 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
11283 TYPE_STUB_DECL is NULL.
11285 2000-01-24 Richard Henderson <rth@cygnus.com>
11287 * builtins.c (expand_tree_builtin): Move ...
11288 * c-common.c (expand_tree_builtin): ... here.
11290 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11292 * loop.h (LOOP_INFO): New accessor macro.
11293 * basic-block.h (struct loop): Rename field `info' to `aux'.
11294 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
11295 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
11296 * unroll.c (loop_iterations, unroll_loop): Likewise.
11298 2000-01-24 Christopher Faylor <cgf@cygnus.com>
11300 * config/i386/t-cygwin: Accomodate new winsup directory layout
11301 when searching for include files.
11303 2000-01-24 Richard Henderson <rth@cygnus.com>
11305 * rtl.def: Add unordered fp comparisions.
11306 * tree.def: Likewise.
11307 * tree.h: Add ISO C 9x unordered fp comparision builtins.
11309 * builtins.c (expand_tree_builtin): New function.
11310 * c-typeck.c (build_function_call): Use it.
11311 (build_binary_op): Support unordered compares.
11312 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
11314 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
11315 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
11316 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
11317 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
11318 * jump.c (reverse_condition): Don't abort for UNLE etc, but
11320 (swap_condition): Handle unordered compares.
11321 (thread_jumps): Check can_reverse before reversing.
11322 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
11325 * optabs.c (can_compare_p): New argument CODE. Verify branch or
11326 setcc is present before acking for cmp_optab. Update all callers.
11327 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
11328 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
11329 * expr.c (expand_expr): Likewise. Support unordered compares.
11330 (do_jump, do_store_flag): Likewise.
11331 * expr.h (enum libfunc_index): Add unordered compares.
11333 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
11334 (DPBIT_FUNCS): Add _unord_df.
11335 * config/fp-bit.c (_unord_f2): New.
11336 * fp-test.c (main): Try unordered compare builtins.
11338 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
11339 * alpha.c (alpha_comparison_operator): Check mode properly.
11340 (alpha_swapped_comparison_operator): Likewise.
11341 (signed_comparison_operator): Likewise.
11342 (alpha_fp_comparison_operator): New.
11343 (alpha_emit_conditional_branch): Handle unordered compares.
11344 * alpha.h (PREDICATE_CODES): Update.
11345 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
11346 (bunordered, bordered): New.
11348 2000-01-24 Richard Henderson <rth@cygnus.com>
11350 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
11351 * alpha.md (movtf): New expander, insn, and splitter.
11353 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
11355 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11358 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
11360 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
11361 (FIXED_REGISTERS, CALL_USED_REGISTERS,
11362 REG_ALLOC_ORDER): Add frame pointer
11363 (FRAME_POINTER_REGNUM): Set to 20
11364 (HARD_FRAME_POINTER_REGNUM): New macro.
11365 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
11366 to HARD_FRAME_POINTER.
11367 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
11368 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
11369 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
11370 (HI_REGISTER_NAMES): Add "frame".
11371 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
11372 (debug_reg): Handle FRAME_POINTER_REGNUM.
11373 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
11374 GENERAL_REGS and INDEX_REGS.
11375 * i386.c (SAVED_REGS_FIRST): new macro.
11376 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
11377 (ix86_decompose_address, memory_address_length): Likewise.
11378 (regclass_map): Add frame pointer.
11379 (call_insn_operand): Handle frame_pointer_rtx.
11380 (reg_no_sp_operand): Likewise.
11381 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
11382 (print_operand, legitimize_pic_address): Fix formating.
11383 (ix86_compute_frame_size): Make static, update prototype, new
11384 parameters padding1, padding2, use ix86_nsaved_regs, use
11385 stack_alignment_needed.
11386 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
11387 to HARD_FRAME_POINTER_REGNUM conversions.
11388 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
11389 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
11390 (print_reg): Abort on FRAME_POINTER_REGNUM
11392 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
11394 * i386.h (PREDICATE_CODES): Add aligned_operand.
11395 * i386.c (aligned_operand): New function.
11396 (ix86_aligned_p): Kill.
11397 * i386.md (movhi_1): Emit mov for aligned operands.
11398 (promoting peep2s): Use aligned_operand.
11400 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
11402 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
11403 expression to allow underscores in macro names.
11404 (fix_char_macro_defines): Increment scanning pointer.
11406 2000-01-23 Richard Henderson <rth@cygnus.com>
11408 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
11409 * alpha/osf5.h: New file.
11410 * configure.in (alpha-*-osf5): Add it to tm_file.
11412 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
11414 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
11415 (alpha_emit_xfloating_cvt, function_arg): Declare.
11416 * alpha.c (alpha_emit_conditional_branch): Call
11417 alpha_emit_xfloating_compare for TFmode compares.
11418 (alpha_lookup_xfloating_lib_func): New.
11419 (alpha_compute_xfloating_mode_arg): New.
11420 (alpha_emit_xfloating_libcall): New.
11421 (alpha_emit_xfloating_arith): New.
11422 (alpha_emit_xfloating_compare): New.
11423 (alpha_emit_xfloating_cvt): New.
11424 (print_operand): Add default abort case.
11425 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
11426 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
11427 (BIGGEST_ALIGNMENT): Increase to 128 bits.
11428 (RETURN_IN_MEMORY): True for TF/TCmode.
11429 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
11430 (FUNCTION_ARG): Move to function_arg.
11431 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
11432 (ASM_OUTPUT_LONG_DOUBLE): New.
11433 (ASM_OUTPUT_DOUBLE): Always output bits.
11434 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
11435 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
11436 (extenddftf2, trunctfdf2): New.
11438 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11440 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
11441 * config/sparc/sol2.h: ... here.
11443 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11445 * basic-block.h (struct loops): New field `levels'.
11446 * flow.c (flow_loops_level_compute): Traverse all outer loops.
11447 (flow_loop_level_compute): Initialise level to 1.
11448 (flow_loops_find): Set loops->levels.
11449 (flow_loops_dump): Print loops->levels.
11451 2000-01-23 Richard Henderson <rth@cygnus.com>
11453 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
11454 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
11456 2000-01-23 Richard Henderson <rth@cygnus.com>
11458 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
11459 * i386.h (DBX_REGISTER_NUMBER): Use them.
11460 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
11461 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
11462 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
11463 * i386/sequent.h: Kill incorrect comment.
11465 2000-01-23 Mark Mitchell <mark@codesourcery.com>
11467 * ggc-page.c (struct page_entry): Make `context_depth' an
11469 (struct globals): Likewise.
11471 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
11473 * loop.c (check_dbra_loop): When checking a loop for
11474 reversability, check the source of any stores to ensure
11475 they don't depend on an initial value.
11477 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11479 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
11481 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
11483 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
11484 'pz_scan' into scope of entire function. Only affects
11485 compiles with -DDEBUG.
11487 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
11489 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
11490 section naming to that prior to 2000-01-07 patch.
11491 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
11492 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
11493 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
11494 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
11495 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
11497 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
11499 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
11502 2000-01-21 Jim Wilson <wilson@cygnus.com>
11504 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
11505 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
11507 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
11509 * cpphash.c (change_newlines): Delete function.
11510 (struct argdata): Delete 'newlines' and 'use_count' fields.
11511 (macroexpand): Remove code referencing those fields.
11513 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11515 * loop.c (loops_info): New variable.
11516 (loop_optimize): Allocate loops->array and free it on exit.
11517 Allocate memory for loops_info and assign to each loop,
11519 (find_and_verify_loops): Do not allocate loops->array.
11521 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
11523 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
11525 2000-01-21 Jakub Jelinek <jakub@redhat.com>
11527 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
11528 pseudos if expanded after first flow.
11529 (movdi_pic_label_ref): Likewise.
11531 2000-01-20 Richard Henderson <rth@cygnus.com>
11533 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
11535 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
11537 * Makefile.in (fixinc.sh): Depend on specs.
11538 * fixinc/Makefile.in: Add rule to create machname.h.
11539 (fixlib.o): Depend on machname.h.
11540 * fixinc/fixtests.c (machine_name): New test.
11541 * fixinc/fixfixes.c (machine_name): New fix.
11542 * fixinc/fixlib.c (mn_get_regexps): New helper function for
11543 the machine_name test and fix.
11544 * fixinc/fixlib.h: Prototype it.
11545 * fixinc/inclhack.def (machine_name): Use the C test and fix.
11546 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
11548 * gcc.c (do_spec_1) [case P]: Take care not to create
11549 identifiers with three leading or trailing underscores.
11551 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
11552 (fixincl): Don't specify libraries twice on link line.
11553 (gnu-regex.o): Remove special rule.
11554 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
11555 defined by config.h. Do not define _REGEX_RE_COMP.
11556 (regcomp): Allocate and initialize a fastmap.
11557 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
11559 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
11561 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
11563 2000-01-19 Richard Henderson <rth@cygnus.com>
11565 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
11566 arguments with BB. Update all callers. Tidy line wrapping.
11568 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
11570 * emit-rtl.c (try_split): Return last_insn if we split the
11573 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
11575 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
11576 (ix86_initial_elimination_offset): Declare.
11577 * i386.c (ix86_nsaved_regs): Break out from ...
11578 (ix86_can_use_return_insn_p): ... here.
11579 (ix86_emit_save_regs): Break out from ...
11580 (ix86_expand_prologue): ... here.
11581 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
11583 (ix86_expand_epilogue): ... here.
11584 (ix86_compute_frame_size): Make static, add prototype.
11585 (ix86_initial_elimination_offset): Break out from ...
11586 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
11588 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11590 * recog.h (OUT_FCN): Delete.
11592 * vax.md: Call `get_insn_template' instead of OUT_FCN.
11594 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11596 * cppalloc.c: PROTO -> PARAMS.
11597 * cpperror.c: Likewise.
11598 * cppfiles.c: Likewise.
11599 * cpplib.c: Likewise.
11600 * cpplib.h: Likewise.
11602 * config/arm/arm-protos.h: PROTO -> PARAMS.
11603 * config/arm/arm.c: Likewise.
11604 * config/c4x/c4x.c: Likewise.
11605 * config/fr30/fr30-protos.h: Likewise.
11606 * config/nextstep.c: Likewise.
11607 * config/pa/pa.c: Likewise.
11608 * config/pj/pj.c: Likewise.
11609 * config/rs6000/rs6000.c: Likewise.
11610 * config/v850/v850-protos.h: Likewise.
11611 * config/v850/v850.c: Likewise.
11613 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11615 * i370-protos.h: New file.
11617 * i370.c: Include tm_p.h. Fix compile time warnings.
11619 * i370.h: Move prototypes to i370-protos.h. Fix compile time
11622 * i370.md: Likewise.
11624 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11626 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
11627 (target_isinf, target_isnan, eisnan): Mark parameter with
11629 (eiisinf): Wrap in INFINITY.
11630 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
11631 (ibmtoe): Remove unused variable `rndsav'.
11633 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11635 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
11636 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
11638 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
11640 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
11641 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
11642 (fix_char_macro_defines, fix_char_macro_uses): New functions.
11644 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
11645 Recognize Emacs mode markers also.
11646 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
11647 C++ comments in C++ headers. Call is_cxx_header only if
11650 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
11651 bypass for ncurses.
11652 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
11653 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
11654 ... these, which use the new C fixes.
11655 (math_exception): Escape literal '+' in bypass expression.
11657 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
11660 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11662 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
11665 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11667 * loop.c (loop_optimize): Allocate loop_info structure for each loop
11668 prior to calling scan_loop.
11670 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11672 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
11673 (split_branches, calc_live_regs): Likewise.
11675 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11677 * sh.md (fpu_single, fp_mode): New attributes.
11679 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11681 * loop.c (current_loop_info): Renamed from loop_info_data
11682 and changed to a pointer.
11683 (loop_optimize): Allocate loop_info structure for each loop
11684 and initialise to zero.
11685 (scan_loop): Set current_loop_info.
11687 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
11690 2000-01-19 Richard Henderson <rth@cygnus.com>
11692 * stupid.c: Die die die.
11693 * Makefile.in (OBJS): Remove stupid.o.
11694 (stupid.o): Likewise.
11696 * except.c (emit_eh_context): Don't emit USEs for stupid.
11697 * explow.c (probe_stack_range): Likewise.
11698 * flags.h (obey_regdecls): Remove.
11699 * flow.c (find_basic_blocks): Don't run try_merge_blocks
11700 when not optimizing.
11701 (life_analysis): Limit data collection when not optimizing.
11702 (mark_regs_live_at_end): Always mark the return value registers.
11703 (mark_used_regs): Remove dummy RETURN case.
11704 (print_rtl_with_bb): Don't consult obey_regdecls.
11705 * function.c (use_variable, use_variable_after): Remove.
11706 (assign_parms): Consult optimize not obey_regdecls.
11707 (expand_function_start): Don't emit USEs for stupid.
11708 (expand_function_end): Likewise.
11709 * global.c (build_insn_chain): Export.
11710 * integrate.c (expand_inline_function): Kill return-value USE
11712 * jump.c (jump_optimize_1): Do simple jump optimizations and
11713 dead code elimination.
11714 (calculate_can_reach_end): Remove check_deleted argument.
11715 (delete_insn): Patch out insns even when not optimizing.
11716 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
11717 * rtl.h (use_variable, use_variable_after): Remove declarations.
11718 (build_insn_chain): Declare.
11719 * stmt.c (expand_value_return): Don't emit USEs for stupid.
11720 (expand_end_bindings): Likewise.
11721 (expand_decl): Likewise. Consult optimize not obey_regdecls.
11722 * toplev.c (obey_regdecls): Remove.
11723 (rest_of_compilation): Don't set it. Kill stupid in favour of
11724 flow1, local-alloc, and reload.
11725 (main): Don't set obey_regdecls.
11727 * config/nextstep.c (handle_pragma): Likewise.
11729 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
11731 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
11733 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11735 * alpha-protos.h: PROTO -> PARAMS.
11736 * alpha.c: Likewise.
11738 * h8300.c: Likewise.
11739 * i386-protos.h: Likewise.
11740 * i386.c: Likewise.
11741 * m32r-protos.h: Likewise.
11742 * m32r.c: Likewise.
11743 * mips.c: Likewise.
11744 * mips.md: Likewise.
11745 * gmon-sol2.c: Likewise.
11746 * sparc.c: Likewise.
11748 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11750 * ns32k-protos.h: New file.
11752 * ns32k.c: Fix compile time warnings.
11754 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
11757 * ns32k.md: Likewise.
11759 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11761 * vax-protos.h: New file.
11763 * vax.c: Fix compile time warnings.
11765 * vax.h: Move prototypes to vax-protos.h. Fix compile time
11768 * vax.md: Likewise.
11770 * vaxv.md: Likewise.
11772 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11774 * romp-protos.h: New file.
11776 * romp.c: Fix compile time warnings.
11778 * romp.h: Move prototypes to romp-protos.h. Fix compile time
11781 * romp.md: Likewise.
11783 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11785 * we32k-protos.h: New file.
11787 * we32k.c: Fix compile time warnings.
11789 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
11792 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11794 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
11796 * except.c (eh_regs): Likewise.
11798 * final.c (output_operand): Likewise.
11800 * fold-const.c (target_isinf, target_isnan): Likewise.
11802 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11804 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
11805 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
11807 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
11808 when optimize_size.
11809 (clrstrsi): Rewrite.
11810 (strsethi, strsetqi): New expanders.
11811 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
11812 (cmpstrsi): Emit compare insn before cmpstrsi_1
11813 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
11814 (strlensi_1): Likewise.
11815 (cmpstrsi_1): Likewise; do not output compare.
11816 (strlen expander): Do not unroll when optimizing for size.
11817 (*subsi3_carry): Rename to subsi3_carry
11818 (addqi3_cc): New pattern.
11819 * i386.h (processor_costs): Add move_ratio field.
11820 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
11821 * i386.c (*_cost): Set move_ratio.
11822 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
11823 (x86_expand_strlensi_1): Rewrite the main loop.
11825 2000-01-17 Richard Henderson <rth@cygnus.com>
11827 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
11828 * cse.c (find_comparison_args, fold_rtx): Likewise.
11829 * integrate.c (subst_constants): Likewise.
11830 * loop.c (get_condition): Likewise.
11832 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
11834 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
11836 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11838 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
11839 (RESTORE_WARN_FLAGS): Unpack it.
11840 Change semantic type of extension to ttype.
11841 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
11842 * c-parse.y, c-parse.c, objc/objc-parse.y,
11843 objc/objc-parse.c: Regenerate.
11845 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
11847 * fixinc/fixlib.c: Add copyright notice.
11848 (compile_re): New function.
11849 * fixinc/fixlib.h: Prototype compile_re.
11851 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
11852 Use compile_re to compile regular expressions.
11854 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
11855 where the pattern matched.
11857 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
11859 (ultrix_ansi_compat): Likewise.
11860 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
11862 (interactv_add2, interactv_add3): Delete.
11863 (x11_sprintf): Don't use filename glob.
11864 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
11867 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11869 * print-rtl.c: PROTO -> PARAMS.
11870 * real.c: Likewise.
11871 * reg-stack.c: Likewise.
11872 * resource.c: Likewise.
11873 * sdbout.h: Likewise.
11874 * simplify-rtx.c: Likewise.
11875 * stor-layout.c: Likewise.
11876 * stupid.c: Likewise.
11877 * xcoffout.c: Likewise.
11878 * xcoffout.h: Likewise.
11880 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11882 * toplev.c: PROTO -> PARAMS.
11883 * toplev.h: Likewise.
11884 * tree.c: Likewise.
11885 * tree.h: Likewise.
11886 * unroll.c: Likewise.
11887 * varasm.c: Likewise.
11888 * varray.c: Likewise.
11889 * varray.h: Likewise.
11891 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11893 * reload.c: PROTO -> PARAMS.
11894 * reload.h: Likewise.
11895 * reload1.c: Likewise.
11896 * reorg.c: Likewise.
11897 * resource.h: Likewise.
11900 * rtlanal.c: Likewise.
11901 * sbitmap.h: Likewise.
11902 * sdbout.c: Likewise.
11903 * stack.h: Likewise.
11904 * stmt.c: Likewise.
11905 * system.h: Likewise.
11907 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11909 * machmode.h: PROTO -> PARAMS.
11910 * mbchar.h: Likewise.
11911 * mips-tdump.c: Likewise.
11912 * mips-tfile.c: Likewise.
11913 * optabs.c: Likewise.
11914 * output.h: Likewise.
11915 * prefix.c: Likewise.
11916 * profile.c: Likewise.
11917 * protoize.c: Likewise.
11918 * real.h: Likewise.
11919 * recog.c: Likewise.
11920 * recog.h: Likewise.
11921 * regclass.c: Likewise.
11922 * regmove.c: Likewise.
11923 * regs.h: Likewise.
11925 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11927 * ggc-common.c: PROTO -> PARAMS.
11928 * ggc-page.c: Likewise.
11929 * ggc-simple.c: Likewise.
11931 * global.c: Likewise.
11932 * graph.c: Likewise.
11933 * gthr-win32.h: Likewise.
11934 * haifa-sched.c: Likewise.
11935 * halfpic.h: Likewise.
11936 * integrate.c: Likewise.
11937 * integrate.h: Likewise.
11938 * jump.c: Likewise.
11940 * local-alloc.c: Likewise.
11941 * loop.c: Likewise.
11942 * loop.h: Likewise.
11944 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11946 * genattr.c: PROTO -> PARAMS.
11947 * genattrtab.c: Likewise.
11948 * gencheck.c: Likewise.
11949 * gencodes.c: Likewise.
11950 * genconfig.c: Likewise.
11951 * genemit.c: Likewise.
11952 * genextract.c: Likewise.
11953 * genflags.c: Likewise.
11954 * gengenrtl.c: Likewise.
11955 * genopinit.c: Likewise.
11956 * genoutput.c: Likewise.
11957 * genpeep.c: Likewise.
11958 * genrecog.c: Likewise.
11960 2000-01-16 Mark Mitchell <mark@codesourcery.com>
11962 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
11964 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11966 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
11967 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
11968 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
11969 * configure, config.in: Rebuilt.
11971 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
11973 * config/i386/i386.md: Add peephole to merge successive stack
11976 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
11978 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
11979 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
11980 when walking backwards to find all the parameter loads when
11981 the basic block ends in a call.
11983 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11985 * loop.c (this_loop_info): Delete.
11986 (uid_loop): Add in place of uid_loop_num. All uses updated.
11987 (loop_number_exit_count): Delete and replace with entry in loop
11988 structure. All uses updated.
11989 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
11990 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
11991 (loop_outer_loop): Likewise.
11992 (loop_invalid, loop_number_exit_labels): Likewise.
11993 (loop_used_count_register): Delete and replace with entry in
11994 loop_info structure.
11995 (find_and_verify_loops): Add loops argument.
11996 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
11997 loop_end, etc. arguments with loop structure pointer. All callers
11999 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
12000 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
12001 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
12002 (insert_bct): Likewise.
12003 (basic_induction_var): New argument level.
12004 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
12005 vtop, and cont. Add used_count_register.
12006 (uid_loop): Delete declaration.
12007 (loop_number_exit_count): Likewise.
12008 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
12009 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
12010 (loop_outer_loop, loop_used_count_register): Likewise.
12011 (loop_invalid, loop_number_exit_labels): Likewise.
12012 (unroll_loop): Replace loop_start and loop_end arguments
12013 with loop structure pointer.
12014 (loop_precondition_p, loop_iterations): Likewise.
12015 Include basic-block.h.
12016 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
12017 with loop structure pointer.
12018 (loop_precondition_p, loop_iterations): Likewise.
12019 * basic-block.h (struct loop): New entries vtop, cont,
12020 cont_dominator, start, end, top, scan_start, exit_labels,
12022 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
12024 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12026 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
12028 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
12030 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
12032 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12034 * pdp11-protos.h: New file.
12036 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
12039 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
12042 * pdp11.md: Likewise.
12044 * 2bsd.h: Likewise.
12046 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12048 * mn10300-protos.h: New file.
12050 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
12053 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
12056 * mn10300.md: Likewise.
12058 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12060 * mn10200-protos.h: New file.
12062 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
12065 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
12068 * mn10200.md: Likewise.
12070 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12072 * h8300-protos.h: New file.
12074 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
12077 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
12080 * h8300.md: Likewise.
12082 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12084 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
12085 (asm_emit_uninitialised): Likewise.
12087 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
12089 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
12090 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
12092 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12094 * config/mips/mips.c (override_options): Don't turn on extra
12095 alignment for mips16.
12097 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12099 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
12100 eabi, and make sure queued POSTINCREMENT rtl is emitted at
12103 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12105 * builtins.c (PAD_VARARGS_DOWN): Define.
12106 (std_expand_builtin_va_arg): Use the above macro.
12107 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
12108 * tm.texi (Register Arguments): Document the above macro.
12110 2000-01-14 Nick Clifton <nickc@cygnus.com>
12112 * emit-rtl.c (emit_insn): If checking is enabled, make sure
12113 that this function has not been used to emit a jump
12116 * jump.c (return_jump_1): Cope with being passed a null rtx.
12118 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12120 * eh-common.h: PROTO -> PARAMS.
12121 * emit-rtl.c: Likewise.
12122 * errors.c: Likewise.
12123 * errors.h: Likewise.
12124 * except.c: Likewise.
12125 * except.h: Likewise.
12126 * explow.c: Likewise.
12127 * expmed.c: Likewise.
12128 * expr.c: Likewise.
12129 * expr.h: Likewise.
12130 * final.c: Likewise.
12131 * fix-header.c: Likewise.
12132 * flow.c: Likewise.
12133 * fold-const.c: Likewise.
12134 * function.c: Likewise.
12135 * function.h: Likewise.
12137 * gcov-io.h: Likewise.
12138 * gcov.c: Likewise.
12139 * gcse.c: Likewise.
12141 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12143 * sh-protos.h: New file.
12145 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
12146 Add static prototypes. Fix compile time warnings.
12148 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
12152 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12154 * arc-protos.h: New file.
12156 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
12159 * arc.h: Move prototypes to arc-protos.h. Fix compile time
12162 * arc.md: Likewise.
12164 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12166 * dsp16xx-protos.h: New file.
12168 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
12171 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
12174 * dsp16xx.md: Likewise.
12176 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12178 * convex-protos.h: New file.
12180 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
12183 * convex.h: Move prototypes to convex-protos.h. Fix compile time
12186 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12188 * elxsi-protos.h: New file.
12190 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
12193 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
12196 * elxsi.md: Likewise.
12198 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12200 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
12201 case for moving from HI/LO/HI_LO_REG. This makes the behavior
12202 match the comment for MIPS16.
12204 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
12206 * flow.c (split_edge): Do not call set_block_for_insn if we
12207 do not have a basic_block_for_insn structure.
12209 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
12210 and destination functions are 32bit aligned within the trampoline.
12211 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
12212 (TRAMPOLINE_ALIGNMENT): Define.
12214 * cse.c (cse_insn): When changing (set (pc) (reg)) to
12215 (set (pc) (label_ref)), verify the change creates a valid insn.
12217 * fr30.c (call_operand): Tighten and rework to match rules for
12218 call RTL expressions.
12219 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
12220 * fr30.md (call patterns): Improve constraints.
12222 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
12224 * fr30.c (fr30_expand_epilogue): Revert last change.
12225 Use emit_jump_insn for the return insn.
12227 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
12228 Stan Cox <scox@cygnus.com>
12230 * predict.c: New file. Preliminary infrastructure work for static
12231 branch prediction and basic block reordering.
12232 * basic-block.h: Add prototype for estimate_probability.
12233 * Makefile.in: Add rules for predict.o.
12235 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
12237 * fixincludes (va_list): Use __not_va_list__ for the dummy.
12238 * fixinc/*: Likewise.
12240 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12242 * cccp.c: PROTO -> PARAMS.
12243 * cexp.y: Likewise.
12244 * collect2.c: Likewise.
12245 * combine.c: Likewise.
12246 * convert.h: Likewise.
12248 * dbxout.c: Likewise.
12249 * dbxout.h: Likewise.
12250 * diagnostic.c: Likewise.
12251 * doprint.c: Likewise.
12252 * dwarf2out.c: Likewise.
12253 * dwarf2out.h: Likewise.
12254 * dwarfout.c: Likewise.
12255 * dwarfout.h: Likewise.
12256 * dyn-string.h: Likewise.
12258 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12260 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
12261 macro conditionals guarding use.
12263 * dwarf2out.c: Include "tm_p.h".
12265 * function.c (locate_and_pad_parm): Mark parameter with
12267 (expand_function_end): Likewise for variable `context'.
12269 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
12271 2000-01-13 Nick Clifton <nickc@cygnus.com>
12273 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
12274 register to prevent compile time warnings.
12276 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
12278 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
12279 to avoid -Wtraditional warning.
12281 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12283 * 1750a-protos.h: New file.
12285 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
12288 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
12291 * 1750a.md: Likewise.
12293 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12295 * a29k-protos.h: New file.
12297 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
12300 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
12303 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12305 * clipper-protos.h: New file.
12307 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
12310 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
12313 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12315 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
12317 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
12319 * configure.in (--enable-new-gxx-abi): New option.
12320 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
12321 * Makefile.in (GXX_ABI_FLAG): New variable.
12322 * configure: Regenerate.
12324 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12326 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
12327 * tm.texi (FORCE_STRUCT_BLK): Document.
12328 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
12330 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
12332 * config/ns32k/ns32k.md: Revert Jan 9 change.
12334 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
12335 to a mode-test, if the predicate is address_operand.
12337 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
12339 * combine.c (if_then_else_cond): Be careful about what kinds
12340 of RTL expressions are passed to operand_subword.
12342 * flow.c (split_edge): If we have to insert a new jump, make
12343 sure to associate it with a basic block.
12345 * flow.c (commit_one_edge_insertion): A block with one successor
12346 can end in a JUMP_INSN that is not a simplejump.
12348 2000-01-12 Robert Lipe <robertl@sco.com>
12350 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
12351 (BUILD_VA_LIST_TYPE): Define.
12352 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
12355 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
12357 * cccp.c (do_pragma): Add cast to (char *).
12359 2000-01-12 Richard Henderson <rth@cygnus.com>
12360 Fred Fish <fnf@be.com>
12361 Jason Merrill <jason@cygnus.com>
12363 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
12364 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
12365 * i386/beos-elf.h, i386/beos-pe.h: New files.
12367 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
12368 * cross-make (SYSTEM_HEADER_DIR): Define using
12369 CROSS_SYSTEM_HEADER_DIR.
12371 * gcc.c (LIBRARY_PATH_ENV): Provide default.
12372 (process_command): Use it.
12373 (main): Likewise. Kill trailing = from env vars.
12374 (build_search_list): Put it back.
12375 * collect2.c (main): Use LIBRARY_PATH_ENV.
12377 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
12378 * toplev.c: Use NEED_DECLARATION_ENVIRON.
12380 * tm.texi (Frame Layout): Document SMALL_STACK.
12381 * c-common.c (c_common_nodes_and_builtins): Check it.
12383 * system.h: Undef alloca after including glibc's <stdlib.h>,
12384 if USE_C_ALLOCA is defined.
12386 * gcc.c (set_input): New fn.
12387 (main): After all input files are compiled, reset the input file
12390 * aclocal.m4 (rindex, index): If already defined, don't attempt
12393 * ginclude/varargs.h: (__va_list__): Define ifndef.
12394 * ginclude/stdarg.h: Likewise.
12396 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
12397 instead of unsigned char.
12399 * hash.h (true, false, boolean): Undef before enum.
12401 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
12402 proper type of "HOST_WIDE_INT *", rather than their natural type of
12403 "unsigned HOST_WIDE_INT *".
12405 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12407 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
12409 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
12411 * regclass.c (choose_hard_reg_mode): Likewise.
12413 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
12415 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
12417 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12419 * c-common.c: PROTO -> PARAMS.
12420 * c-common.h: Likewise.
12421 * c-decl.c: Likewise.
12422 * c-iterate.c: Likewise.
12423 * c-lang.c: Likewise.
12424 * c-lex.c: Likewise.
12425 * c-lex.h: Likewise.
12426 * c-parse.in: Likewise.
12427 * c-pragma.c: Likewise.
12428 * c-pragma.h: Likewise.
12429 * c-tree.h: Likewise.
12430 * c-typeck.c: Likewise.
12431 * objc/objc-act.c: Likewise.
12432 * objc/objc-act.h: Likewise.
12434 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12436 * m88k-protos.h: New file.
12438 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
12441 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
12443 * m88k.md: Likewise.
12445 * tekXD88.h: Likewise.
12447 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12449 * m68k-protos.h: New file.
12451 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
12454 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
12456 * mot3300.h: Likewise.
12458 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
12460 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
12462 (extract_bitlist): Declare bitlen.
12464 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
12466 * cccp.c: Accept and ignore -lang-fortran.
12468 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
12469 qualifiers don't match at any level of pointerness.
12471 2000-01-12 Robert Lipe <robertl@sco.com>
12473 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
12475 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
12477 * reload1.c (reload_reg_unavailable): New static variable.
12478 (reload_reg_free_p): Test it.
12479 (reload_reg_free_for_value_p): Test it instead of
12481 (choose_reload_regs_init): Compute it.
12483 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
12485 * reorg.c (fill_slots_from_thread): Check modified_in_p
12488 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
12490 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
12491 these nodes even if INTERNALS is not set.
12493 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
12495 * gcse.c (delete_null_pointer_checks_1): Cope when
12496 get_condition cannot determine the condition.
12498 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
12500 * toplev.h (set_message_length): Declare.
12502 * diagnostic.c (obstack_chunk_alloc): Define macro.
12503 (obstack_chunk_free): Likewise.
12504 (struct output_buffer): New data structure.
12505 (vmessage): Remove.
12506 (output_maximum_width): New variable.
12507 (doing_line_wrapping, set_message_length, init_output_buffer,
12508 get_output_prefix, output_space_left, emit_output_prefix,
12509 output_newline, output_append, output_puts, dump_output,
12510 vbuild_message_string, build_message_string, build_location_prefix,
12511 voutput_notice, output_printf, line_wrapper_printf,
12512 vline_wrapper_message_with_location): New functions. Implement
12513 automatic line wrapping.
12514 (v_message_with_decl): Make it handle automatic line wrapping.
12515 (v_error_with_file_and_line): Likewise.
12516 (v_warning_with_file_and_line): Likewise.
12517 (announce_function): Likewise.
12518 (default_print_error_function): Likewise.
12520 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
12522 * cpplib.h (struct cpp_options): Change lang_asm to char.
12524 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
12525 done in cpp_handle_option now.
12526 (initialize_builtins): Take out special case code used only by
12528 (cpp_handle_option): Turn off trigraphs and trigraph warnings
12529 if -traditional. Recognize -lang-fortran and set
12530 lang_fortran, also turn off cplusplus_comments.
12531 (print_help): Document -lang-fortran.
12532 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
12533 lang_asm. Ignore all directives other than `# 123 "file"' if
12535 (cpp_get_token): If -traditional, don't recognize directives
12536 unless the # is in column 1.
12537 (parse_string): If lang_fortran or lang_asm, silently
12538 terminate strings ('' or "") at end of line.
12539 Remove unnecessary braces.
12541 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12542 Richard Henderson <rth@cygnus.com>
12544 * resource.c (mark_referenced_resources): Mark a set strict_low_part
12546 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
12547 strict_low_part when possible.
12549 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12551 * alias.c: PROTO -> PARAMS.
12552 * basic-block.h: Likewise.
12553 * bitmap.c: Likewise.
12554 * bitmap.h: Likewise.
12555 * builtins.c: Likewise.
12556 * c-aux-info.c: Likewise.
12557 * caller-save.c: Likewise.
12558 * calls.c: Likewise.
12560 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12562 * Makefile.in (toplev.o): Depend on regs.h.
12564 * output.h (tdesc_section): Prototype.
12566 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
12568 * sdbout.c: Include "tm_p.h".
12570 * toplev.c: Include "regs.h".
12572 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
12574 * unroll.c (unroll_loop): Add EH support.
12576 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12578 * pa-protos.h: New file.
12580 * pa.c: Include recog.h and tm_p.h.
12581 (compute_zdepwi_operands, compute_movstrsi_length,
12582 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
12583 find_addr_reg, import_milli): Add static prototypes.
12584 (pa_cpu_string, pa_arch_string): Constify a char*.
12585 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
12586 (read_only_operand): Add argument `mode'.
12587 (singlemove_string, output_move_double, output_fp_move_double,
12588 output_block_move, output_and, output_ior, output_ascii,
12589 remove_useless_addtr_insns, milli_names, output_mul_insn,
12590 output_div_insn, output_mod_insn, output_arg_descriptor,
12591 output_cbranch, output_bb, output_bvb, output_dbra, ,
12592 output_millicode_call, output_call, hppa_encode_label,
12593 output_parallel_movb, output_parallel_addb): Constify a char*.
12594 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
12595 (output_parallel_addb): Remove extra arg to `constrain_operands'
12597 * pa.h: Move all prototypes to pa-protos.h.
12598 (pa_cpu_string, pa_arch_string): Constify a char*.
12599 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
12601 * pa.md: Call `function_label_operand' with mode argument.
12602 Likewise for `read_only_operand'.
12603 Fix nesting of parens in call to `symbolic_operand'.
12605 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12607 * i860-protos.h: New file.
12609 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
12612 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
12614 * i860.md: Likewise.
12616 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
12618 * i386.md (movstrsi expander): Rewrite.
12619 (movstrsi_1 insn): Deleted.
12620 (strmovhi, strmovqi expander): New expanders.
12621 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
12622 * i386.c (x86_single_stringop): New global variable.
12623 * i386.h (x86_single_stringop): Declare.
12624 (TARGET_SINGLE_STRINGOP): New macro.
12626 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
12628 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
12629 integer vararg POSTINCREMENT before the destination of the jump
12630 for the hard fp case.
12631 (function_arg_pass_by_reference): Pass a copy of CUM to
12634 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
12635 for CONSTANT_ADDRESS_P above while loop for subreg.
12637 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
12639 * flow.c (propagate_block): When a prologue/epilogue insn
12640 is marked dead, unconditionally clear libcall_is_dead and
12641 insn_is_dead, and only dump rtl if warnings aren't being
12644 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
12646 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
12647 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
12648 (FIXED_REGISTERS): Set dirflag as fixed.
12649 (CALL_USED_REGISTERS): Set dirflag as used.
12650 (REG_ALLOC_ORDER): Set dirflag as last one.
12651 (DIRFLAG_REG): New macro.
12652 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
12653 (HI_REGISTER_NAMES): Add dirflag.
12654 (DEBUF_PRINT_REG): Handle dirflag.
12655 * i386.md (type attribute): New cld and str types.
12656 (length_opcode attribute): Set cld and str to 1.
12657 (memory attribute): Set str to unknown - it is not clear from the
12659 (pent_np function unit): Prefixed string operations takes 12 cycles
12660 minimally; cld takes 2 cycles.
12661 (ppro_uops attribute): Str is "many" and cld is "few".
12662 (ppro_p0 unit): Handle cld here.
12663 (k6_alux unit): Handle cld and str types.
12664 (k6_load unit): It is ocupied by str opcodes.
12665 (k6_store unit): It is ocupied by str opcodes.
12666 (athlon_decode): Str is vector decoded.
12667 (athlon_ieu): Handle str and cld.
12668 (cld pattern): New.
12669 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
12670 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
12671 cmpstrsi_nz_1 insn): Do not output cld instruction
12673 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
12675 * gcc.texi (G++ and GCC): Add Java and Chill.
12676 (Bug Critera): Don't list languages.
12678 * gcc.texi (Incompatibilities): No longer claim most C compilers
12681 * gcc.texi (G++ and GCC): Update other front-ends list.
12683 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
12685 * i386.c (ix86_expand_setcc): Fix typo.
12686 (ix86_expand_movcc): Similarly.
12688 * Band-aid until haifa's bitset implementation is nuked.
12689 * haifa-sched.c (extract_bitlst): New parameter for size of the
12690 bitset in bits. All callers changed. Avoid looking at undefined
12691 bits in the bitset.
12692 (edgeset_bitsize): New variable.
12693 (schedule_region): Initialize edgeset_bitsize.
12695 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12697 * Makefile.in (optabs.o): Depend on real.h
12698 (resource.o): Depend on insn-attr.h
12700 * builtins.c (result_vector): Wrap prototype in macro conditions
12701 governing definition and use.
12703 * c-common.c: Include tm_p.h.
12705 * c-lex.c: Likewise.
12707 * elfos.h: Constify a char*.
12709 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
12710 (get_attr_length, shorten_branches, profile_after_prologue): Mark
12711 parameter with ATTRIBUTE_UNUSED.
12713 * fold-const.c (exact_real_inverse): Wrap variable `i' in
12716 * haifa-sched.c (schedule_insns): Mark parameter with
12719 * optabs.c: Include real.h.
12721 * real.h (ereal_atof): Add prototype arguments.
12723 * resource.c: Include insn-attr.h.
12725 * sdbout.c (sdbout_queue_anonymous_type,
12726 sdbout_dequeue_anonymous_types): Wrap in macro
12727 SDB_ALLOW_FORWARD_REFERENCES.
12728 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
12731 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
12733 * stupid.c: Include tm_p.h.
12735 * tree.c (real_value_from_int_cst): Mark parameter with
12738 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12740 * i960-protos.h: New file.
12742 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
12745 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
12747 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12749 * combine.c (expand_field_assignment): Do not discard SUBREGs
12750 while computing nonzero_bits.
12752 2000-01-09 Nick Clifton <nickc@cygnus.com>
12754 * config/arm/arm.c: Fix compile time warnings about signed vs
12755 unsigned constants.
12756 * config/arm/arm.h: Fix compile time warnings about signed vs
12757 unsigned constants.
12759 2000-01-09 Philip Blundell <philb@gnu.org>
12761 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
12762 than `ldm' with only one register.
12763 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
12766 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
12769 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
12771 * config/ns32k/ns32k.md (load or push effective address): Operand 1
12774 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12776 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
12777 assignment used as truth value.
12779 * function.c (assign_temp): Mark parameter `dont_promote' with
12780 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
12781 PROMOTE_FOR_CALL_ONLY.
12783 * genrecog.c (write_subroutine): Mark variable `operands' with
12786 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
12789 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
12790 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
12792 * toplev.c (note_deferral_of_defined_inline_function): Likewise
12795 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12797 * config/c4x.h: Tidy up comments.
12798 * config/c4x.c: Likewise.
12800 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
12802 * fold-const.c (lshift_double, rshift_double): Handle
12803 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
12805 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12807 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
12808 in prepare_function_start().
12810 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
12812 * config/v850/v850.c (expand_epilogue): Interrupt functions no
12813 longer allocate extra stack for function calls.
12815 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12817 * config/c4x/c4x.md (*subqf3_set): Fix typo.
12819 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12821 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
12823 2000-01-07 David Edelsohn <edelsohn@gnu.org>
12825 * rs6000.c (processor_target_table): Add power3 as alias for 630.
12826 * aix43.h: Revert Aug 2 change.
12827 (HAS_INIT_SECTION): Define, not visible yet.
12828 (LD_INIT_SWITCH): Define, not visible yet.
12829 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
12831 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
12833 * collect2.c (main): Expand ld2 size further.
12834 (export_object_lst): Cast assignment to avoid warning.
12835 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
12836 (scan_prog_file, COFF): Do not collect initialization or
12837 finalization functions generated for entire shared object if
12838 init/fini support present.
12840 2000-01-07 Nick Clifton <nickc@cygnus.com>
12842 * config/elfos.h: Tidy up formatting of marcos. Make sure
12843 that .section directives are always prefixed by a tab.
12845 * config/svr4.h: Add #include "elfos.h" and remove duplicate
12848 2000-01-07 Matt Austern <austern@sgi.com>
12850 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
12853 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
12855 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
12857 (crtbegin.o, s-crtS): Likewise.
12859 2000-01-06 Richard Henderson <rth@cygnus.com>
12861 * alpha.md (adddi_2+1): Limit offset such that it will be
12862 loadable with a single ldah+lda pair.
12863 (adddi_2+2): Explicitly fail split if we can't make it work.
12865 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
12867 * protoize.c: Conditionally include unistd.h.
12868 (IS_SAME_PATH_CHAR): New macro.
12869 (IS_SAME_PATH): New macro.
12870 (CPLUS_FILE_SUFFIX): New macro.
12871 (cplus_suffix): New static variable.
12872 (is_abspath): New static function.
12873 (in_system_include_dir): Handle DOS style pathnames.
12874 (file_could_be_converted): Likewise.
12875 (file_normally_convertible): Likewise.
12876 (directory_specified_p): Likewise.
12877 (file_excluded_p): Likewise.
12878 (abspath): Likewise.
12879 (shortpath): Likewise.
12880 (referenced_file_is_newer): Likewise.
12881 (save_def_or_dec): Likewise.
12882 (do_processing): Likewise.
12884 (edit_file): Likewise. Use rename instead of link.
12885 (rename_c_file): Likewise. Don't rename syscalls file.
12886 (munge_compile_params): Define null device for DOS based systems.
12887 (process_aux_info_file): Use binary mode if appliable.
12888 (edit_file): Likewise.
12889 * invoke.texi (Running Protoize): Document C++ suffixes used.
12891 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
12892 IS_DIR_SEPARATOR macros.
12893 * collect2.c: Likewise.
12894 * cppinit.c: Likewise.
12895 * dwarf2out.c: Likewise.
12897 * gcov.c: Likewise.
12898 * prefix.c: Likewise.
12900 * toplev.c: Likewise.
12901 * system.h: And move to here.
12903 * prefix.c (update_path): Fix typo in variable name.
12905 2000-01-06 Richard Henderson <rth@cygnus.com>
12907 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
12908 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
12909 (count_reg_sets_1, count_reg_references): Likewise.
12910 (flow_loops_level_compute): Start counting actual loop depth at 1.
12911 (flow_loops_find): Likewise.
12912 * local-alloc.c (update_equiv_regs): Likewise.
12913 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
12915 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12917 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
12918 FIRST_PSEUDO_REGISTER
12919 * dwarf2out.c: Don't include frame.h
12920 * dwarfout.c: Likewise
12921 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
12924 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
12926 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
12929 * i386.c (movsf splitter): Fix typo in my last checkin.
12931 2000-01-05 Nick Clifton <nickc@cygnus.com>
12933 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
12934 own definition of this macro.
12935 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
12936 flag_data_sections or UNIQUE_SECTION_P are true.
12938 * tm.texi (UNIQUE_SECTION): Document that it can be called for
12939 unitialised data decls.
12941 * config/i386/winnt.c (i386_pe_unique_section): Cope with
12942 being called for uninitialised data.
12944 * config/i386/interix.c (i386_pe_unique_section): Cope with
12945 being called for uninitialised data.
12947 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
12948 for uninitialised data.
12950 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
12951 for uninitialised data.
12953 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
12954 for uninitialised data.
12956 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
12957 (UNIQUE_SECTION_P): Always generate a unique section if
12958 flag_data_sections is true.
12959 (UNIQUE_SECTION): Also generate unique sections for
12960 uninitialised data.
12961 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
12962 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
12965 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12967 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
12970 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12972 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
12973 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
12974 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
12975 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
12976 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
12978 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
12980 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12982 * c-decl.c (finish_enum): Simplify code to determine minimum and
12983 maximum values of the enum, and calculate the type. Remove check
12984 for FUNCTION_DECLs in the values list, which cannot happen. Replace
12985 the DECL_INITIAL of each enumeration constant with a copy converted
12986 to the enumeration type. When updating variant types, don't bother
12987 updating the type itself.
12989 * c-typeck.c (build_binary_op): Simplify conditional expressions
12990 when weeding out spurious signed-unsigned warnings. Add new
12991 spurious warning category: if the unsigned quantity is an enum
12992 and its maximum value fits in signed_type(result_type). Update
12994 (build_conditional_expr): Warn here if one alternative is signed
12995 and the other is unsigned.
12997 2000-01-05 Nick Clifton <nickc@cygnus.com>
12999 * config/fr30/fr30.h: Remove extraneous comments.
13001 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
13003 * reload1.c (choose_reload_regs): When disabling a reload, also
13004 set reload_spill_index to -1.
13006 2000-01-04 Joel Sherrill (joel@OARcorp.com>
13008 * configure.in (m68*-*-rtemscoff*): New target, formal name for
13010 (m68*-*-rtemself*): New target.
13011 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
13012 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
13013 (sparc*-*-rtemself*): New target.
13014 (sparc*-*-rtems*): Now elf not a.out.
13015 * config/i386/rtems.h: Include config/rtems.h.
13016 * config/i386/rtemself.h: Include config/rtems.h.
13017 * config/i960/rtems.h: Include config/rtems.h.
13018 * config/m68k/rtems.h: Include config/rtems.h.
13019 * config/m68k/rtemself.h: Include config/rtems.h.
13020 * config/mips/rtems64.h: Include config/rtems.h.
13021 * config/pa/rtems.h: Include config/rtems.h.
13022 * config/rs6000/rtems.h: Include config/rtems.h.
13023 * config/sh/rtems.h: Include config/rtems.h.
13024 * config/sh/rtemself.h: Include config/rtems.h.
13025 * config/sparc/rtems.h: Include config/rtems.h.
13026 * config/sparc/rtemself.h: Include config/rtems.h
13028 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
13030 * final.c (shorten_branches): Correctly compute length of
13031 asms without operands.
13033 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
13035 * configure.in: Add pj target.
13036 * configure: Regenerate.
13037 * config/pj: New directory.
13038 * config/pj/lib1funcs.S: New file.
13039 * config/pj/linux.h: New file.
13040 * config/pj/pj.c: New file.
13041 * config/pj/pj.md: New file.
13042 * config/pj/pjl.h: New file.
13043 * config/pj/t-pj: New file.
13044 * config/pj/xm-pj.h: New file
13046 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
13048 * toplev.c (rest_of_compilation): Run shorten-branches before
13051 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13053 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
13054 macros so that they're consistent with their names.
13055 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
13056 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
13058 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13060 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
13061 modified inadvertently.
13063 2000-01-04 Joel Sherrill <joel@OARcorp.com>
13065 * configure.in (v850*-*-rtems*): New target.
13066 * configure: Regenerate.
13067 * config/v850/rtems.h: New file.
13069 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
13071 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
13072 (__gthread_key_create): Likewise.
13073 (__gthread_key_dtor): Likewise.
13074 (__gthread_once): Fix logic.
13075 (__gthread_key_delete): Cast away constness.
13077 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
13078 * invoke.texi: Document.
13079 * i386/mingw32.h (CPP_SPEC): Use.
13080 (LIBGCC_SPEC): Likewise.
13081 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
13083 2000-01-04 David Edelsohn <edelsohn@gnu.org>
13085 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
13086 (HANDLE_PRAGMA_PACK): Undefine.
13087 (SLOW_UNALIGNED_ACCESS): Define.
13089 2000-01-04 David Edelsohn <edelsohn@gnu.org>
13091 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
13092 to default definition.
13093 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
13094 (store_fixed_bit_field): Call macro with word_mode and alignment.
13095 (extract_bit_field): Call macro with relevant mode and alignment.
13096 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
13097 to default definition.
13098 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
13100 (move_by_pieces_ninsns): Likewise.
13101 (clear_by_pieces): Likewise.
13102 (emit_push_insn): Likewise.
13103 (store_field): Call macro with relevant mode and alignment.
13104 (expand_expr): Likewise.
13105 (expand_expr_unaligned): Likewise.
13107 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
13108 (SLOW_UNALIGNED_ACCESS): Define.
13109 (CASE_VECTOR_MODE): Always use 32-bit offsets.
13110 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
13111 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
13112 (toc_section): Likewise and .toc pseudo-op.
13113 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
13115 (TEXT_SECTION_ASM_OP): Likewise.
13116 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
13119 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
13120 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
13121 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
13122 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
13123 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
13125 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
13127 * regclass.c: Revert my Jan 4 change to loop cost computation.
13129 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13131 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
13134 2000-01-04 Stan Cox <scox@cygnus.com>
13136 * haifa-sched.c (build_control_flow): Change unreachable simple
13137 loop test to check if current block has only one predecessor.
13138 (find_rgns): Initialize degree. Use dest as degree index, not src.
13140 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13142 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
13144 * calls.c (expand_call): Likewise for
13145 `old_stack_arg_under_construction'.
13147 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
13149 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
13152 * gcc.c (execute): Likewise for `ut' and `st'.
13154 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
13156 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
13158 * jump.c (jump_optimize_1): Likewise for `temp2'.
13160 * local-alloc.c (block_alloc): Likewise for `r1'.
13162 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
13164 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
13165 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
13167 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
13170 * reload.c (find_reloads): Likewise for `goal_alternative_number'
13171 and `goal_earlyclobber'.
13173 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
13175 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
13177 * stupid.c (stupid_life_analysis): Likewise for `chain'.
13179 * unroll.c (copy_loop_body): Likewise for `copy'.
13181 * varasm.c (output_constructor): Likewise for `byte'.
13183 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13185 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
13186 all FP constants for constant->reg moves.
13187 (ix86_split_to_parts): Try to convert memory address into immediate
13188 when available in the constant pool.
13189 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
13191 (LEGITIMATE_CONSTANT_P): Return 1.
13192 * i386.md (pushsf): New splitter to convert constant pool memory
13193 reference to immediate.
13194 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
13197 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
13199 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
13200 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
13201 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
13202 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
13203 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
13205 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
13207 * ginclude/stdbool.h: Support compilation as C++.
13209 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13211 * fold-const.c (make_range): Don't try to reverse an unbounded range.
13213 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
13215 * regclass.c (regclass): Properly compute loop_cost. Adjust
13218 * regclass.c: Fix minor whitespace problems.
13220 2000-01-03 Anthony Green <green@cygnus.com>
13222 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
13223 Restore the pic register if required.
13225 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
13227 * c-common.c (format_char_info): Update comment.
13228 (check_format_info): Recognize 'z' modifier in the same way 'Z'
13229 was recognized. Emit warning for formats new in ISO C99 only
13230 if flag_isoc9x is not set.
13232 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
13234 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
13236 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13238 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
13239 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
13240 (make_compound_operation): Choose cheaper alternative between
13241 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
13243 * regclass.c (op_costs): Remove global variable.
13244 (record_reg_classes): New parameter "op_costs" and "reg_pref".
13245 (record_operand_costs): Break out from ...
13246 (scan_one_insn): ... here.
13247 (dump_regclass): Make dumps nicer.
13248 (regclass): Dump preferrences choosed and changes done during passes.
13250 2000-01-03 Jakub Jelinek <jakub@redhat.com>
13252 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
13254 2000-01-03 Jakub Jelinek <jakub@redhat.com>
13256 * config/sparc/sparc.c (gen_df_reg): New function.
13257 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
13258 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
13259 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
13260 movtf_cc_reg_sp64+1): Use it.
13262 2000-01-02 Mark Mitchell <mark@codesourcery.com>
13264 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
13265 copied LABEL_DECLs.
13267 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
13269 * config/i386/i386.c (ix86_expand_unary_operator): Function
13270 definition made void.
13271 (ix86_expand_binary_operator): Update outdated preceding comment.
13272 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
13275 * config/i386/i386.c (override_options): Fix option-name typo.
13277 2000-01-02 Mark Mitchell <mark@codesourcery.com>
13279 * system.h (CEIL): Define.
13280 * builtins.c (CEIL): Remove.
13281 * expmed.c (CEIL): Likewise.
13282 * expr.c (CEIL): Likewise.
13283 * stor-layout.c (CEIL): Likewise.
13285 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13287 * expr.c (store_constructor_field): Fix typo introduced with last
13290 2000-01-01 Mark Mitchell <mark@codesourcery.com>
13292 * tree.h (BINFO_N_BASETYPES): New macro.
13294 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
13296 * expmed.c (emit_store_flag): Prevent losing a pending stack
13297 adjust the same way we prevent losing queued increments.
13299 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13301 * function.c (update_temp_slot_address): Handle case where sum of
13302 temporary address plus offset in register is a valid address.
13304 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13306 * genrecog.c (change_state) Corrected typo.
13308 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13310 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
13311 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
13312 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
13314 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
13316 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
13317 case, expand GT comparisons correctly. Fix a comment before this
13320 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
13322 * dwarfout.c: Include "frame.h"
13323 * dwarf2out.c: Likewise.
13324 * Makefile.in (dwarfout.o): Depend on frame.h
13325 (dwarf2out.o): Likewise.
13327 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
13329 Restore i386 binary compatibility in Dwarf EH info.
13330 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
13331 value of FIRST_PSEUDO_REGISTER.
13332 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
13333 (struct frame_state): Use DWARF_FRAME_REGISTERS.
13334 * dwarfout.c (output_reg_number): Ditto.
13335 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
13336 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
13338 1999-12-29 Bruce Korb <autogen@linuxbox.com>
13340 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
13341 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
13342 (<hack>_RE_CT): not needed
13343 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
13344 rewritten to scan the file text once only
13345 "template<..." test added
13346 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
13347 (is_cxx_header): declaration added
13348 * fixinc/fixtests.c(is_cxx_header): removed
13349 (apply_fix_p_t): removed
13350 (double_slash_test): is_cxx_header is only called once now
13351 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
13352 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
13353 within the templates.
13354 The borken spelling of "broken" was fixed.
13355 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
13356 The default level depends on FIXINC_DEBUG.
13358 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13360 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
13361 Otherwise provide a declaration for atexit.
13362 (init_dummy): Make sure dummy call to atexit is nevertheless
13363 called with correct number of args.
13365 * frame.c: Update comments referring to other files.
13367 * libgcc2.c: Likewise.
13369 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13371 * cse.c (free_element, get_element): Remove unused prototypes.
13373 * fold-const.c (extract_muldiv): Initialize variables `op0' and
13376 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
13379 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
13381 * configure.in,configure: case arm for mn10200-*-* now sets
13382 float_format=i32 so that float.h will correctly claim "double"
13383 to be 32 bits. Ran autoconf to generate configure from .in file.
13385 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
13387 * pa.md (conditional zero): If op1 is a register, force it into
13388 the same register as op0.
13390 1999-12-28 Mark Mitchell <mark@codesourcery.com>
13392 * tree.h (BINFO_BASETYPES): Improve documentation.
13394 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13396 * configure.in (--enable-checking): Use a more portable `for'
13399 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13401 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
13402 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
13404 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
13407 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
13408 Delete descriptions.
13410 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
13411 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
13412 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
13413 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
13414 xm-svr4.h: Remove all instances of sys_siglist handling.
13416 1999-12-27 Jakub Jelinek <jakub@redhat.com>
13418 * config/sparc/sparc.md (cmp_zero_qi,
13419 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
13420 cmp_zero_extendqidi2_andcc_set): New patterns.
13422 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
13424 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
13425 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
13426 (fpgnulib.c, xfgnulib.c): Add rules.
13427 * m68k/t-mot3300-gas: Likewise.
13429 1999-12-27 Ian Lance Taylor <ian@zembu.com>
13431 * configure.in: Avoid [[ by using test and changequote. Add
13432 changequote required by 1999-12-14 change.
13433 * configure: Rebuild.
13435 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
13437 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
13439 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
13441 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
13442 * flow.c (find_use_as_address): Likewise.
13443 * function.c (fixup_var_refs_1): Likewise.
13444 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
13445 * jump.c (invert_exp, redirect_exp): Likewise.
13446 * loop.c (replace_call_address): Likewise.
13447 (count_nonfixed_reads): Likewise.
13448 * rtlanal.c (modified_between_p): Likewise.
13449 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
13450 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
13451 * unroll.c (remap_split_bivs): Likewise.
13453 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13455 * diagnostic.c (v_message_with_decl): Use .* format specifier
13456 instead of building the format specifier width manually.
13458 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
13459 determining whether to provide a prototype. Remove the
13460 sys_siglist clause in the conditional.
13462 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13464 * fold-const.c (operand_equal_p): Use memcmp to compare string
13466 Suggested by D. J. Bernstein
13468 1999-12-17 Jakub Jelinek <jakub@redhat.com>
13470 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
13471 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
13473 * config/mips/mips.h (TARGET_64BIT): Likewise.
13474 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
13475 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
13476 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
13477 dsps. Give routines proper names if SI/DI modes are not used.
13478 * longlong.h: Use DWunion instead of DIunion.
13480 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
13482 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
13483 GC_CHECKING, GC_ALWAYS_COLLECT.
13484 * configure.in: Allow --enable-checking with an argument
13485 listing check modes to enable.
13486 * config.in, configure: Rebuilt.
13487 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
13488 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
13489 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
13490 ENABLE_GC_ALWAYS_COLLECT.
13491 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
13493 * tree.h, tree.c: Change ENABLE_CHECKING to
13494 ENABLE_TREE_CHECKING throughout.
13496 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13498 * fold-const.c (fold_truthop): Properly check for FP RHS.
13500 1999-12-24 Mark Mitchell <mark@codesourcery.com>
13502 * toplev.h (note_deferall_of_defined_inline_function): Declare.
13503 * toplev.c (note_deferral_of_defined_inline_function): New
13504 function, split out from ...
13505 (rest_of_compilation): ... here. Use it.
13507 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13509 * expr.c (store_constructor): Don't call clear_storage if size is
13512 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13514 * Makefile.in (toplev.o): Depend on loop.h.
13516 * dwarfout.c: Include tm_p.h.
13518 * emit-rtl.c (restore_emit_status): Mark parameter with
13521 * final.c (final_scan_insn): Likewise.
13523 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
13524 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
13525 flow_depth_first_order_compute, flow_loop_pre_header_find,
13526 flow_loop_tree_node_add, flow_loops_tree_build,
13527 flow_loop_level_compute, flow_loops_level_compute,
13528 flow_loop_outside_edge_p): Add prototypes.
13529 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
13531 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
13532 Mark with ATTRIBUTE_NORETURN.
13534 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
13536 * local-alloc.c (no_conflict_p): Likewise.
13538 * loop.c (insert_bct): Hide definitions of variables with hidden
13540 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
13542 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
13543 with ATTRIBUTE_UNUSED.
13544 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
13545 (reg_scan): Likewise.
13547 * reload.c (find_reloads): Remove unused variables `changed'.
13549 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
13551 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
13552 Remove unused variable `insn'.
13554 * toplev.c: Include loop.h.
13555 (report_file_and_line): Remove unnecessary prototype.
13557 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
13559 * unroll.c (biv_total_increment): Likewise.
13561 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13563 * reload1.c (emit_input_reload_insns): Restore old behaviour
13564 wrt. 'special' reloads.
13566 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
13568 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
13569 hash.h. (cse.c): Don't depend on hashtab.h.
13571 * cse.c: Don't include hashtab.h.
13572 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
13574 * ggc-simple.c: Don't include hash.h.
13576 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
13578 * dwarf2out.c (add_abstract_origin_attribute): Call
13579 gen_abstract_function on our function context.
13581 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
13583 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
13585 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13587 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
13590 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13592 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
13593 constraints to "a!r".
13595 1999-12-21 Mark Mitchell <mark@codesourcery.com>
13597 * Makefile.in (calls.o): Depend on function.h.
13598 (alias.o): Likewise.
13600 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
13602 * reload1.c (emit_reload_insns): Break out code and variables into...
13603 (input_reload_insns, other_input_address_reload_insns,
13604 other_input_reload_insns, input_address_reload_insns,
13605 inpaddr_address_reload_insns, output_reload_insns,
13606 output_address_reload_insns, outaddr_address_reload_insns,
13607 operand_reload_insns, other_operand_reload_insns,
13608 other_output_reload_insns): ... new static variables, and...
13609 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
13610 do_output_reload): ... new functions.
13612 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13614 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
13616 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13618 * md.texi: Add c4x constraints documentation.
13620 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13622 * config/i386/dgux.c (struct option): Rename to
13623 lang_independent_option.
13624 (struct m_options): Add description field.
13625 (output_options): Rename option type, add sep declaration, output
13626 ix86_cpu_string and ix86_arch_string only if set.
13627 (output_file_start): Rename option type.
13629 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
13631 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
13633 (libgcc2.a): Similarly.
13635 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
13637 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
13638 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
13639 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
13641 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
13643 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
13644 Remove redundant initialization of "frexpon" and "expon".
13646 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13648 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
13650 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
13651 (store_constructor_field, expand_expr): Pass new arg.
13653 1999-12-20 Mark Mitchell <mark@codesourcery.com>
13655 * Makefile.in (explow.o): Depend on function.h.
13657 * stor-layout.c (set_sizetype): Fix typo.
13659 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
13661 * function.c (cfun): Renamed from current_function. All users
13663 * function.h (cfun): Rename declaration as well.
13665 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
13666 to be of type regset_head, not regset. All users changed by adding
13668 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
13670 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13672 * config/c4x/rtems.h: New file.
13674 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
13676 * reload1.c (spill_failure): Take class of failed reload as argument
13677 and print it. Caller changed.
13679 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13681 * rs6000.h (SUBTARGET_DEFAULT): New macro.
13682 (TARGET_SWITCHES): Allow subtargets to default switches.
13683 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
13685 1999-12-18 Mark Mitchell <mark@codesourcery.com>
13687 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
13690 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
13692 * cccp.c (main): Define __STDC_VERSION__ as necessary.
13693 * cppinit.c (cpp_handle_option): Likewise.
13695 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
13696 determine when to define.
13698 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
13700 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
13701 cmove with mismatched test and data modes.
13703 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
13705 * c-typeck.c (c_expand_start_case): Don't warn for long switch
13708 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13710 * alias.c: Minor reformatting.
13711 * flow.c: Likewise.
13712 * regs.h: Likewise.
13713 * stor-layout.c: Likewise.
13714 * fold-const.c: Likewise.
13715 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
13716 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
13718 (size_int_wide): Cache nodes even if garbage collecting.
13719 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
13720 of SAVE_EXPR has no side effects.
13721 * cse.c: Move a comment.
13722 * tree.c: Minor reformatting.
13723 (int_size_in_bytes): Return -1 if constant overflows.
13725 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13727 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
13729 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
13731 * objc/objc-parse.c: Regenerate. This file must be rebuilt
13732 after any change to c-parse.in, even if objc-parse.y didn't
13735 1999-12-18 David S. Miller <davem@redhat.com>
13737 * toplev.c (rest_of_compilation): Restore BLOCK tree
13738 reconstruction and branch shortening changes lost in
13739 December 18th change.
13741 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
13743 * config/arm/linux-elf.h: Change all instances of
13744 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
13745 * config/arm/uclinux-elf.h: Likewise.
13747 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
13749 * toplev.c (notice, vmessage, v_message_with_file_and_line,
13750 v_message_with_decl, file_and_line_for_asm,
13751 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
13752 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
13753 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
13754 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
13755 pfatal_with_name, fatal_io_error, need_error_newline,
13756 last_error_function, last_error_tick, announce_function,
13757 default_print_error_function, print_error_function,
13758 report_error_function, fnotice, error_with_file_and_line,
13759 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
13760 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
13761 warning_with_decl, warning_for_asm, warning, pedwarn,
13762 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
13764 (compile_file): Use fnotice instead of notice. Adjust call.
13766 * diagnostic.c: New file.
13768 * Makefile.in (OBJS): Include diagnostic.o
13769 (diagnostic.o): Define dependence.
13771 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13773 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
13776 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13778 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
13780 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
13782 * fixtests.c (is_cxx_header): New fn, split out of
13784 (else_endif_label): Allow "#endif // comment" in C++ headers,
13785 as determined by is_cxx_header.
13786 * fixfixes.c (else_endif_label_fix): Update comment.
13787 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
13789 * genfixes: Correct double thinko in commandline parsing.
13790 * hackshell.tpl: Generate correct sh syntax for bypass
13793 * inclhack.def (all): Whenever an inserted preprocessor
13794 conditional is split over multiple lines, use double
13795 backslashes in this file so the fixed header will be readable.
13797 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
13798 and add bypass entry for correct version of this header.
13799 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
13800 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
13802 (hpux8_bogus_inlines): New fix, split from...
13803 (ultrix_atof_param) ... here.
13804 (math_expression): Add bypass entry keyed to glibc comment
13805 indicating the problem has been dealt with; disable
13806 unnecessary sed operations; update commentary.
13807 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
13808 add select and bypass entries, simplify shell operation.
13809 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
13811 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
13812 ultrix_atof_param): Add select entry.
13813 (stdio_va_list, sunos_mather_decl): Add bypass entry.
13814 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
13815 comments with the fixes they describe.
13817 * c-parse.in (string action): Do not warn about ANSI string
13818 concatenation in system headers. Affects C parser only.
13819 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
13821 1999-12-16 Jakub Jelinek <jakub@redhat.com>
13823 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
13824 compiling libgcc2 the macro depends always on arch cpp defines.
13826 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
13828 * loop.c (insert_loop_mem): Don't record MEMs from inside
13831 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
13833 * regclass.c (regclass): Do not use flowgraph when not optimizing.
13835 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
13836 notes too, create one when replacement failed, attempt to simplify
13838 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
13839 or REG_EQUIV notes.
13841 1999-12-16 Mark Mitchell <mark@codesourcery.com>
13843 * crtstuff.c (__dso_handle): Declare.
13844 (__cxa_finalize): Likewise.
13845 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
13848 * invoke.texi: Document -fuse-cxa-atexit.
13850 * tree.h (ptr_type_node): Document.
13851 (const_ptr_type_node): Likewise.
13853 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13855 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
13856 (optimize_reg_copy_2): Likewise.
13857 (optimize_reg_copy_3): Likewise.
13858 (fixup_match_2): Likewise.
13859 (regmove_optimize): Likewise.
13860 (fixup_match_1): Liekwise.
13862 * i386.md (HI to SImode promoting splitters): Rewrite.
13863 (pushsf mem peep2): New.
13864 (testhi to andhi peep2): Remove.
13865 * i386.h (x86_promote_QImode): New.
13866 (TARGET_PROMOTE_QImode): New.
13867 (PREDICATE_CODES): Add promotable_binary_operator.
13868 * i386.c (x86_promote_QImode0: New.
13869 (promotable_binary_operator): New.
13870 * i386-protos.h (promotable_binary_operator): New.
13872 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
13874 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
13876 1999-12-16 Mark Mitchell <mark@codesourcery.com>
13878 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
13879 * function.c (insert_block_after_note): Remove.
13880 (retrofit_block): Likewise.
13881 (identify_blocks): Fix indentation.
13882 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
13883 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
13884 * function.h (insert_block_after_note): Remove prototype.
13885 (retrofit_block): Likewise.
13886 * integrate.c (expand_inline_function): Don't call
13887 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
13888 just expand_start_bindings. Use the block_map to remap old
13889 NOTE_BLOCKs to new ones.
13890 (integrate_decl_tree): Keep track of remapped blocks.
13891 * integrate.h (struct inline_remap): Add block_map.
13892 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
13893 NOTE_BLOCK on the notes.
13894 (expand_start_bindings): Rename to ...
13895 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
13896 (expand_end_bindings): Set NOTE_BLOCK.
13897 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
13898 reconstruct the BLOCK tree.
13899 * tree.h (expand_start_bindings): Macroize. Call ...
13900 (expand_start_bindings_and_block): New function.
13902 1999-12-16 Jakub Jelinek <jakub@redhat.com>
13904 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
13905 to match the format.
13907 1999-12-16 David S. Miller <davem@redhat.com>
13909 * expr.c (emit_move_insn_1): Only emit clobbers if one of
13910 the outputs is a SUBREG.
13911 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
13914 * config/sparc/sparc.c (epilogue_renumber): Add default case
13917 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13919 * toplev.c (rest_of_compilation): Run branch shortening after
13922 * regclass.c (loop_depth): Remove
13923 (scan_one_insn): Do not handle LOOP_NOTE insns.
13924 (regclass): Go through basic blocks and set loop_cost
13926 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
13928 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
13930 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13932 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
13933 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
13934 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
13936 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
13938 * loop.c (insert_loop_mem): Ignore memory clobbers.
13940 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
13943 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
13945 * profile.c: Remove redundant #include "output.h".
13947 * h8300.md (HImode preinc peephole): Fix typo.
13949 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13951 * function.c (retrofit_block): Abort if we don't find a suitable insn.
13952 (insert_block_after_note): Abort if we don't have a previous block.
13953 Remove FN parameter.
13954 * function.h: Adjust.
13956 1999-12-15 Mark Mitchell <mark@codesourcery.com>
13958 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
13959 argument more than once.
13961 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13963 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
13965 1999-12-15 Jakub Jelinek <jakub@redhat.com>
13967 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
13969 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13971 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
13972 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
13973 update stack_alignment_needed.
13974 (prepare_function_start): Initialize stack_alignment_needed
13975 * function.h (struct function): Add field stack_alignment_needed.
13977 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13979 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
13980 Handle live_throughout / dead_or_set instead of live_before /
13982 (save_call_clobbered_regs): Get register livenessinformation from
13983 chain->live_throughout.
13984 (add_stored_regs): New function.
13985 (insert_restore, insert_save): Add restored / saved registers to
13987 * global.c (reg_dies): New parameter chain.
13988 (reg_becomes_live): Third parameter is regs_set now.
13989 Changed all callers.
13990 (reg_dies): New parameter chain. Changed all callers.
13991 (build_insn_chain): Set live_throughout instead of
13992 live_before / live_after.
13993 * reload.h (struct insn_chain): Replace members live_before /
13994 live_after with live_throughout / dead_or_set.
13995 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
13996 instead of live_before / live_after.
13997 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
13998 (order_regs_for_reload, find_reg, finish_spills): Likewise.
13999 (choose_reload_regs_init): Likewise.
14000 * stupid.c (current_chain, find_clobbered_regs): Delete.
14001 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
14002 instead of chain->live_before / chain->live_after.
14003 (mark_hard_ref): New function.
14004 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
14006 1999-12-15 David S. Miller <davem@redhat.com>
14008 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
14010 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14012 * flow.c (calculate_loop_depth): Make global, remove prototype,
14013 rewrite to use new loop infrastructure.
14014 (find_basic_block): Remove calculate_loop_depth call.
14015 * toplev.c (rest_of_compilation): Call find_basic_block.
14016 * output.h (calculate_loop_depth): Declare.
14018 * flow.c (dump_flow_info): Dump loop_depth.
14019 (flow_loops_nodes_find): Increase loop_depth for basic block in the
14021 (flow_loops_find): Initialize the loop_depth for each basic block.
14023 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14025 * tree.c (decl_function_context): Handle virtual functions.
14027 * tlink.c (scan_linker_output): Don't look in demangled name when
14028 looking for linker output keywords.
14030 * dwarfout.c (output_type): We can defer namespace-scope classes.
14032 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
14034 * regclass.c (record_reg_classes): Update comment for merging
14035 register class preferences in reg->reg copies. Tighten conditions
14036 for merging register class preferences in reg->reg copies.
14038 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
14040 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
14042 1999-12-14 Geoff Keating <geoffk@cygnus.com>
14044 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
14045 (INIT_SECTION_ASM_OP): Delete.
14046 (FINI_SECTION_ASM_OP): Delete.
14047 (STARTFILE_SPEC): Define to hold just crtbegin.o.
14049 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
14051 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
14052 the abstract origin wasn't emitted.
14054 * dwarf2out.c (class_scope_p): New fn.
14055 (gen_subprogram_die): Use it.
14056 (gen_variable_die): Use it. Tweak logic.
14057 (gen_struct_or_union_type_die): Check context_die to determine
14058 if we're function-local.
14059 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
14061 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14063 * loop.c (check_dbra_loop): Can't reverse a biv that has
14064 maybe_multiple set.
14066 1999-12-14 Nick Clifton <nickc@cygnus.com>
14068 * config/arm/arm.c: Add support for -mcpu=arm720 command line
14071 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14073 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
14074 for givs made from biv increments.
14076 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
14078 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
14079 * alpha.c (override_options): Recognize -mcpu=ev67.
14080 * alpha.h (CPP_CPU_EV67_SPEC): New.
14081 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
14082 (EXTRA_SPECS): Update.
14084 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
14086 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
14087 appropriate for -lang-c89 and -std=*.
14088 * cppinit.c (cpp_handle_option): Likewise.
14089 (new_pending_define): New, split out from cpp_handle_option.
14090 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
14091 or enable trigraphs for -ansi/-std=*.
14093 * ginclude/stdarg.h (__va_copy): New.
14094 (va_copy): Don't define for C89.
14096 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
14098 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
14099 for long long multiply-accumulate.
14101 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14103 * regclass.c (scan_one_insn): Set loop_cost to 1 when
14104 optimizing for size.
14106 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14108 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
14109 if something changed. Back out that part of yesterday's changes.
14111 * loop.c (loop_max_reg): New static variable.
14112 (loop_optimize): Initialize it. Eliminate one unnecessary call to
14114 (scan_loop): Call reg_scan_update whenever we may have added new
14115 registers, and update loop_max_reg.
14117 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14119 * regclass.c (record_reg_classes): Do not do the copying preferrencing
14120 when source does not die.
14122 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
14124 1999-12-14 Jakub Jelinek <jakub@redhat.com>
14126 * config/sparc/linux64.h (TARGET_LIVE_G0,
14127 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
14129 * config/sparc/linux.h (TARGET_LIVE_G0,
14130 TARGET_BROKEN_SAVERESTORE): Likewise.
14131 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
14132 TARGET_BROKEN_SAVERESTORE): Likewise.
14134 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
14135 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
14137 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
14138 as sparc64 block profiling register.
14139 * config/sparc/sparc.c (sparc_override_options): Allow block
14140 profiling with -m32.
14141 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
14142 profiling register.
14143 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
14144 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
14145 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
14147 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
14149 * config/sparc/sparc.h: Likewise.
14150 * config/sparc/xm-sysv4-64.h: Likewise.
14151 * config/float-sparc.h: Likewise.
14152 * glimits.h: Likewise.
14153 * longlong.h: Likewise.
14155 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
14156 (ASM_IDENTIFY_GCC): Remove.
14158 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14160 * combine.c (combine_simplify_rtx): Don't make shared rtl.
14161 (simplify_logical): Likewise.
14163 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
14165 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
14166 * cppfiles.c (INO_T_EQ): Likewise.
14168 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
14170 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
14171 * i386/mingw32.h (LIB_SPEC): Likewise.
14172 (STARTFILE_SPEC): Likewise.
14173 * i386/uwin.h (LIB_SPEC): Likewise.
14174 (STARTFILE_SPEC): Likewise.
14176 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
14177 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
14179 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
14181 * combine.c (combine_simplify_rtx): Fix order of checks for
14182 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
14184 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
14186 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
14187 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
14189 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
14191 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
14193 * regclass.c (inv_reg_alloc_order): New array.
14194 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
14196 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
14197 counted_for_groups, counted_for_nongroups. Add fields rld and
14199 * reload.c (push_secondary_reload): Don't set nongroup field of
14201 (push_reload): Likewise.
14202 (find_reloads): Delete code to compute nongroup fields.
14203 * reload1.c (reload_insn_firstobj): New static variable.
14204 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
14206 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
14207 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
14208 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
14210 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
14212 (struct hard_reg_n_uses): Deleted.
14213 (potential_reload_regs): Deleted.
14214 (init_reload): Initialize spilled_pseudos and pseudos_counted.
14215 (reload): Don't try to allocate reload registers if we already know
14216 we have to make another pass. Call select_reload_regs. Free memory
14217 starting with reload_firstobj when starting another pass.
14218 Don't allocate spilled_pseudos.
14219 (calculate_needs_all_insns): Call copy_reloads for an insn that
14220 needs reloads; don't call calculate_needs.
14221 (spill_cost): New static array.
14222 (used_spill_regs_local): New static variable.
14223 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
14224 to compute potential_reload_regs.
14225 (find_reload_regs): Completely rewritten to use find_reg.
14226 (allocate_reload_reg): Don't test counted_for_groups or
14227 counted_for_nongroups. Lose NOERROR arg and code to give an error;
14228 all cllers changed.
14229 (choose_reload_regs): Add fallback code that uses the existing
14230 register allocation from find_reload_regs.
14232 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
14234 * flow.c (create_edge_list): Cast xmalloc return value.
14236 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
14238 * doprnt.c: Remove incorrect comment closure.
14240 * cse.c: Fix a few minor whitespace goofs.
14242 1999-12-13 Don Bowman <don@pixstream.com>
14244 * mips/vxworks.h: Fix problem with comment termination.
14245 (EXTRA_SECTIONS): Add in_sbss.
14246 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
14248 1999-12-12 David S. Miller <davem@redhat.com>
14250 * cse.c (struct cse_reg_info): Add hash_next member,
14251 reorder rest of struct for better packing on 64-bit
14253 (cse_reg_info_tree): Kill.
14254 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
14255 REGHASH_FN): New custom pow2 hash mechanism.
14257 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
14258 use a pow2 hash table.
14259 (get_cse_reg_info): Rework to use new REGHASH.
14260 (new_basic_block): Likewise, use HASH_SIZE, and inline
14262 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
14263 and inline free_element call.
14264 (lookup_as_function, insert, flush_hash_table, invalidate,
14265 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
14266 invalidate_for_call, use_related_value, find_comparison_args,
14267 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
14268 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
14269 get_element): Kill.
14271 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
14273 * cse.c (cse_basic_block): Free qty_table consistently.
14275 1999-12-12 David S. Miller <davem@redhat.com>
14276 Jakub Jelinek <jakub@redhat.com>
14278 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
14279 SUBREGs by hand, gen the appropriate hard reg directly.
14280 (movtf reg/mem split): Likewise and alter_subreg on destination
14282 (movtf mem/reg split): Similarly.
14283 (movdf_cc_sp64): Rename from hidden pattern.
14284 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
14285 (movtf_cc_sp64, following split): New pattern and splitter.
14286 (movdf_cc_reg_sp64): Rename from hidden pattern.
14287 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
14289 (movtf_cc_reg_sp64, following split): New pattern and splitter.
14291 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
14293 * loop.c (load_mems): Don't hoist written floating point mem
14296 1999-12-12 Mark Mitchell <mark@codesourcery.com>
14298 * except.h (struct eh_queue): Add `next' pointer.
14299 (struct eh_status): Make x_ehqueue a pointer.
14300 (push_ehqueue): Declare.
14301 (pop_ehqueue): Likewise.
14302 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
14304 (expand_fixup_region_end): Likewise.
14305 (expand_leftover_cleanups): Likewise.
14306 (push_ehqueue): Define.
14307 (pop_ehqueue): Likewise.
14308 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
14309 than doing it inline.
14310 (expand_start_all_catch): Adjust now that ehqueue is a
14312 (mark_eh_queue): Mark all level of the queue.
14313 (mark_eh_status): Adjust now that ehqueue is a
14315 (init_eh_for_function): Allocate ehqueue.
14316 (free_eh_status): Free it.
14317 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
14318 expansion for a fixup.
14320 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14322 * gthr-single.h (__gthread_active_p): Add prototype arguments.
14324 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
14325 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
14326 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
14327 function_ptr, getpagesize, __enable_execute_stack,
14328 __enable_execute_stack, __clear_insn_cache,
14329 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
14330 _cleanup, _exit, __default_terminate, __terminate_func,
14331 __terminate, __empty, __throw, new_eh_context,
14332 eh_context_initialize, eh_context_static, eh_context_specific,
14333 get_eh_context, __get_eh_context, __get_eh_info,
14334 init_reg_size_table, eh_threads_initialize,
14335 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
14336 __unwinding_cleanup, throw_helper, __throw, __rethrow,
14337 __pure_virtual): Add prototype arguments.
14338 (__bb_exit_func): Cast a sizeof to long when comparing against one.
14339 Cast a signed value to unsigned long when comparing against one.
14340 (new_eh_context): Wrap in _GTHREADS macro.
14341 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
14343 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
14344 (throw_helper): Initialize variables `handler_p' and `pc_p'.
14346 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14348 * combine.c (record_promoted_value): Remove unused variable
14351 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
14353 * global.c (record_conflicts): Likewise for `j'.
14355 * genoutput.c (output_insn_data): Don't unnecessarily cast away
14358 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14360 * i386-protos.h (output_387_binary_op, output_fix_trunc,
14361 output_fp_compare): Constify a char*.
14363 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
14365 (override_options, ix86_comp_type_attributes, print_operand,
14366 output_387_binary_op, output_fix_trunc, output_fp_compare):
14368 (ix86_sched_reorder): Mark parameter `clock_var' with
14371 * i386.h (DEBUG_PRINT_REG): Constify a char*.
14373 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
14375 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
14376 operand, for use in the Java front-end.
14378 1999-12-10 Ben Collins <bcollins@debian.org>
14380 * configure.in: Fix typo for "-64" in 64bit as check.
14381 * configure: Rebuilt.
14383 1999-12-10 Jakub Jelinek <jakub@redhat.com>
14385 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
14388 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14390 * c-parse.in (string): With -Wtraditional, warn if ANSI string
14391 concatenation is utilized.
14393 * invoke.texi (-Wtraditional): Document it.
14395 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14397 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
14398 Cast a ptrdiff_t to long and pass it to printf with %ld.
14400 1999-12-10 Geoff Keating <geoffk@cygnus.com>
14402 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
14403 68881, we have no 68881 registers at all.
14404 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
14405 value in a 68881 register if it is available.
14407 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
14409 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
14410 for long long multiply-accumulate.
14412 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
14414 * loop.c (insert_loop_mem): Undo last change.
14416 1999-12-10 David S. Miller <davem@redhat.com>
14418 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
14420 * config/sparc/sparc-protos.h: Add them.
14421 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
14422 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
14423 constraints which use those helpers.
14424 (EXTRA_CONSTRAINT): Use this new macro.
14425 * md.texi: Update sparc target constraints documentation.
14426 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
14427 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
14428 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
14429 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
14430 (movsf high/lo_sum split): Rework for new patterns.
14431 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
14433 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
14435 * c-common.c (c_common_nodes_and_builtins):
14436 Create __builtin_ptrdiff_t and __builtin_size_t.
14438 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
14440 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
14442 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14444 * regclass.c (globalize_reg): Re-instate test that allows
14445 fixed registers to be declared as a variable even after functions
14448 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14450 * i386.md (cpu attribute): Add "athlon".
14451 (athlon_decode): New attribute.
14452 (Athlon scheduling units definitions): New.
14453 (fcmp and shld patterns): Set athlon_decode to "vector".
14454 * i386.c (athlon_cost): New.
14456 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
14457 x86_use_sahf): Set for Athlon.
14458 (x86_use_fiop): Unset for Athlon.
14459 (override_options): Define Athlon alignments and "athlon" name.
14460 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
14461 * i386.h (TARGET_ATHLON): New.
14462 (enum processor_type): Add PROCESSOR_ATHLON.
14463 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
14465 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
14467 1999-12-09 Andreas Jaeger <aj@suse.de>
14469 * loop.c (record_biv): Declare parameter as int.
14471 * config/i386/i386-protos.h: Declare long_memory_operand.
14473 1999-12-09 Mark Mitchell <mark@codesourcery.com>
14475 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
14476 EXPR_WITH_FILE_LOCATION.
14478 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14480 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
14483 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
14485 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
14488 1999-12-09 Jakub Jelinek <jakub@redhat.com>
14490 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
14491 default on linux64 again.
14492 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
14493 models for multilibing.
14494 * genmultilib: Accept | as alternative separator within a set in
14497 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
14499 * calls.c (precompute_arguments): Make sure initial_value contains
14500 value pseudo which CSE expects.
14501 * cse.c (struct set): New entry orig_src.
14502 (cse_insn): Set it early on entry, use it for libcall EQUIV note
14505 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
14507 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
14509 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
14511 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
14513 1999-12-08 Jakub Jelinek <jakub@redhat.com>
14515 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
14516 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
14518 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
14521 * longlong.h: Merge in changes from glibc.
14522 Also don't clobber %g2 register in 32bit SPARC assembly, so that
14523 -mno-app-regs libgcc can be compiled.
14524 * libgcc2.c: Add defines so that the updated longlong.h
14525 can be used in libgcc2.a. Also, make sure on most architectures
14526 (at least on all which have optimized code in longlong.h defined
14527 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
14529 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14531 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
14532 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
14533 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
14535 * configure: Rebuilt.
14537 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
14539 * alpha.c (secondary_reload_class): For !BWX, sub-simode
14540 outputs require a register.
14542 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
14544 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
14545 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
14546 functions like dptoul will be resolved.
14547 (libgcc2.a): Make sure that the object files from DPBIT are named
14548 differently (prefix `_dp') from those that would be coming from
14551 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
14553 * configure.in: When target is sparc* and tm_file contains 64,
14554 test for 64bit support in assembler. If not supported, remove
14555 sparc/t-sol2-64 from target-dependent Makefile fragments.
14556 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
14557 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
14558 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
14559 * acconfig.h (AS_SPARC64_FLAG): Added.
14560 * configure, config.in: Rebuilt.
14561 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
14562 support. Use AS_SPARC64_FLAG.
14564 1999-12-07 Jakub Jelinek <jakub@redhat.com>
14566 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
14567 suitable for holding OFmode values so that gcc works with complex
14569 (hard_64bit_mode_classes): Likewise.
14571 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
14572 so that it is actually matched.
14573 (sethi_di_medlow): Likewise.
14575 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
14576 as legitimate constant if -mvis.
14577 * config/sparc/sparc.md (movtf): Likewise.
14578 (clear_sf): Use const_double_operand.
14579 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
14581 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
14582 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
14583 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
14584 routines, _Qp_* cannot be handled like that now.
14585 (INIT_TARGET_OPTABS): Likewise.
14586 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
14587 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
14588 sparc_emit_float_lib_cmp if ARCH64 and soft float.
14589 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
14590 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
14591 divtf3, sqrttf3): New expanders.
14592 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
14593 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
14594 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
14597 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
14598 * configure: Rebuilt.
14599 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
14600 -mcpu is given and we're doing 64bit compiles.
14602 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
14604 * loop.h (struct induction): Add multi_insn_incr.
14605 * loop.c (basic_induction_var): New multi_insn_incr argument.
14606 Set it if we search back through previous insns for the biv.
14607 (record_biv): New multi_insn_incr argument; fill in struct induction.
14608 (strength_reduce): Discard an iv with multiple bivs, any of
14609 which require multiple insns to increment.
14611 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14613 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
14616 1999-12-06 David S. Miller <davem@redhat.com>
14618 * combine.c (check_promoted_subreg): Do not conditionalize this upon
14619 PROMOTE_FUNCTION_RETURN.
14621 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
14623 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
14624 and handle REG_UNUSED note on insn.
14626 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
14627 inner_mask instead of mask.
14629 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
14631 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
14632 zero if there was an error.
14634 1999-12-06 Jakub Jelinek <jakub@redhat.com>
14636 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
14639 * longlong.h: Fix clobbers in SPARC asm statements.
14641 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
14642 valid sethi operations when TARGET_ARCH64.
14644 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
14645 always use move_by_pieces to avoid infinite recursion.
14646 (restore_fixed_argument_area): Likewise.
14648 * combine.c (check_promoted_subreg, record_promoted_value): New
14650 (combine_instructions): Use them to retain nonzero and sign bit
14651 information after SUBREGs are eliminated by optimizations in
14652 this pass if PROMOTE_FUNCTION_RETURN.
14654 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
14655 .register declaration. Don't use variables with __ prefixes.
14657 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14659 * fold-const.c (optimize_bit_field_compare): Only use one mode
14660 for both RHS and LHS in non-constant case.
14662 1999-12-06 Nathan Sidwell <nathan@acm.org>
14664 * frame.c (start_fde_sort): Only allocate erratic array, if
14665 linear one was allocated. Return allocated flag.
14666 (fde_insert): Only insert, if there's a valid array.
14667 (fde_end_sort): Split, sort and merge if linear and erratic
14668 arrays exist, else just sort linear one.
14669 (search_fdes): New function. Linear search through original fde
14671 (frame_init): Permit multiple initializations. Cope with
14673 (find_fde): Fallback on linear search, if failed to sort array.
14674 (__deregister_frame_info): Only free sorted array, if we
14677 1999-12-06 Jakub Jelinek <jakub@redhat.com>
14679 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
14681 1999-12-05 Jakub Jelinek <jakub@redhat.com>
14683 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
14685 1999-12-05 Mark Mitchell <mark@codesourcery.com>
14687 * tree.h (special_function_p): Declare.
14688 * calls.c (special_function_p): Make it global. Don't take `name'
14689 as a parameter. Fix typo in 1999-11-28 change.
14690 (expand_cal): Adjust.
14692 1999-12-04 Mark Mitchell <mark@codesourcery.com>
14694 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
14695 * tree.h (EXPR_WFL_FILENAME): Define in terms of
14696 EXPR_WFL_FILENAME_NODE.
14697 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
14699 * print-tree.c (print_note): Print TREE_PRIVATE and
14702 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
14703 the original die cannot be found.
14705 * varray.h (varray_head_tag): Add elements_used.
14706 (VARRAY_PUSH): New macro.
14707 (VARRAY_POP): Likewise.
14708 (VARRAY_TOP): Likewise.
14709 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
14711 * varray.c (varray_init): Initialize elements_used.
14712 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
14713 (INTEGRATE_H): New variable.
14714 (integrate.o): Depend on INTEGRATE_H.
14715 (unroll.o): Likewise.
14717 * function.h (insert_block_after_note): Declare.
14718 * function.c (insert_block_after_note): Split out from ...
14719 (retrofit_block): ... here.
14721 * stmt.c (expand_fixup): Fix typo in comment.
14723 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14725 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
14726 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
14727 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
14728 (regmove_optimize, fixup_match_1): Likewise.
14730 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14732 * flow.c (flow_loops_dump): Add missing argument when calling
14733 flow_loop_nested_p.
14735 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
14736 Greg McGary <gkm@gnu.org>
14738 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
14739 (init_attributes): Add A_NO_LIMIT_STACK.
14740 (decl_attributes): Handle A_NO_LIMIT_STACK.
14741 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
14742 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
14743 Handle stack bounds checking.
14744 * flags.h (flag_stack_check): Use the word 'probe' rather than
14745 'check', because the flag doesn't actually cause any checking to
14747 * function.c (expand_function_start): Set
14748 current_function_limit_stack.
14749 * function.h (struct function): Add limit_stack.
14750 (current_function_limit_stack): Define.
14751 * invoke.texi (Code Gen Options): Document new options.
14752 * rtl.h: Declare stack_limit_rtx.
14753 * toplev.c (stack_limit_rtx): New variable.
14754 (decode_f_option): Handle new options -fstack-limit-register=REG,
14755 -fstack-limit-symbol=IDENT, -fno-stack-limit.
14756 (main): Add stack_limit_rtx as GC root.
14757 * tree.h (DECL_NO_LIMIT_STACK): New macro.
14758 (struct tree_decl): New member no_limit_stack.
14760 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
14762 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
14763 (conditional_trap+1): Get new mnemonic correct.
14764 (conditional_trap+2): New pattern for DImode traps.
14766 * config/m68k/m68k.c (output_function_prologue): Handle
14768 * config/m68k/m68k.md (trap): New insn.
14769 (conditional_trap): New insn.
14770 * md.texi (Standard Names): Document `trap' and
14771 `conditional_trap'.
14772 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
14773 so a cc0 setter doesn't get emitted at some random place in the
14776 * config/i960/i960.md (trap): New insn.
14777 (conditional_trap): New expander.
14778 (conditional_trap+1, conditional_trap+2): New insns for signed
14779 and unsigned cases.
14780 * config/i960/i960.c (i960_function_prologue): Use
14781 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
14783 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
14784 Geoffrey Keating <geoffk@cygnus.com>
14786 * flags.h (warn_padded, warn_packed): Add global var decls.
14787 * toplev.c (warn_padded, warn_packed): Add global var defns.
14788 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
14789 * stor-layout.c (layout_record): Add local variable `type'
14790 to hold often-used TREE_TYPE (field). Add local variable
14791 `unpacked_align' to hold alignment that would be in force
14792 if no `packed' attribute were present. Warn if `packed' attribute
14793 is unnecessary, or even harmful. Warn when gcc inserts padding
14794 to satisfy alignment requirements of members. Use NULL_TREE
14795 when checking whether var_size is set.
14796 * invoke.texi: Document new flags.
14798 1999-12-03 Nathan Sidwell <nathan@acm.org>
14800 * frame.c (fde_split): Reimplement to avoid variable sized array.
14802 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14804 * combine.c (try_combine): Before fixing up LOG_LINKS for the
14805 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
14807 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
14809 * invoke.texi: Document the mips option -mno-crt0
14811 1999-12-02 Mike Karr <mkarr@mathworks.com>
14813 * cccp.c (argdata): Added free_ptr member.
14814 (macroexpand): Initialize free_ptr of each argument. When an
14815 argument's buffers are freed, if the argument's free_ptr corresponds
14816 to a buffer on the input stack, then return the free_ptr to that stack
14817 frame, otherwise, free it.
14818 (macarg): If an argument begins and ends on the same input stack level,
14819 then transfer the free_ptr of that buffer to the argument in case
14820 the stack is popped during the processing of a subsequent argument.
14822 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
14824 * loop.c (note_reg_stored): New function.
14825 (struct note_reg_stored_arg): New structure.
14826 (try_copy_prop): Change to be more conservative; only replace within
14827 one extended basic block and stop replacing if a store to the
14828 replacement reg is seen.
14830 1999-12-02 Nick Clifton <nickc@cygnus.com>
14832 * config/fp-bit.c: Initialise all fields of the NAN
14835 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
14838 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
14840 * i386.md (extend?f?f2): Force the input into a register, not
14843 1999-12-01 Jakub Jelinek <jakub@redhat.com>
14845 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
14847 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
14848 alternative because setting up 64bit constant is usually costly,
14849 especially when reload is in progress or completed.
14850 (movdf_const_intreg_sp64): Likewise.
14851 (movdf_const_intreg split): Fix building up constants when
14852 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
14854 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
14856 * combine.c (if_then_else_cond): Use const_true_rtx instead of
14857 const1_rtx for return values in EQ/NE comparison against (const_int 0)
14860 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
14861 (asm_file_start): Emit .am33 into assembly file when compiling for
14863 (print_operand_address): Handle POST_INC addresses.
14864 (can_use_return_insn, initial_offset): Check AM33 registers too.
14865 (expand_prologue): Check & save AM33 registers too.
14866 (expand_epilogue): Similarly.
14867 (secondary_reload_class): Handle AM33 specific secondary reloads.
14868 (output_tst): Emit efficient code for the AM33 too.
14869 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
14870 (TARGET_SWITCHES): Add -mam33 switch.
14871 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
14872 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
14873 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
14874 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
14875 (enum reg_class, REG_CLASS_NAMES): Likewise.
14876 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
14877 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
14878 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
14879 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
14880 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
14881 (HAVE_POST_INCREMENT): Define.
14882 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
14883 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
14884 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
14885 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
14886 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
14887 (zero_extend to SI from QI/HI): Likewise.
14888 (sign_extend to SI from QI/HI): Likewise.
14889 (mulsidi3, umulsidi3): New patterns for the AM33.
14890 (tstsi with zero extension from QI/HI): Add AM33 variants.
14891 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
14892 (return_internal_regs, store_movm): Handle new AM33 registers.
14893 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
14894 (LIBGCC, INSTALL_LIBGCC): Likewise.
14895 * invoke.texi: Document new flags.
14897 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14899 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
14900 (addsi3_carry): Likewise.
14901 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
14902 (sbbsi3_carry): Likewise.
14903 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
14904 (mulhi3): Likewise.
14905 (test?i_1): Ensure that only one operand is memory.
14906 (conditional move patterns): likewise.
14907 (shift and rotate patterns): Rewrite to expander, add
14908 "binary_operator_ok" to the condition.
14910 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
14911 * i386.h (procesor_costs): Add movzbl_load field.
14912 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
14913 non-Q registers, accept DImode registers anywhere.
14915 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
14916 * i386.c (*_cost): Set value for movxbl_load field.
14918 * (addsi): New add to lea splitter.
14919 (ashlsi): Likewise.
14920 (lea to add/shift peep2): New.
14922 1999-12-01 Mark Salter <msalter@cygnus.com>
14924 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
14925 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
14926 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
14928 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14930 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
14931 * i386.md (movsi_xor): New.
14933 (movsi_1, movhi_1, movqi_1): Remove.
14934 (movsi_2): Rename to movsi_1.
14935 (movhi_2): Rename to movhi_1.
14936 (movqi_2): Rename to movqi_1.
14937 (movdi_1): Remove; remove splitter.
14938 (movdi_2): Rename to movdi_1.
14939 (divmodsi4 splitter): Do not emit clobbers for move patterns.
14940 (long move peep2): Do not create QI or HI mode mov0s
14941 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
14943 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
14946 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
14947 (abs?f2_if): Likewise.
14949 1999-11-30 Alex Samuel <samuel@codesourcery.com>
14951 * ggc.h (ggc_test_and_set_mark): New macro.
14952 (ggc_mark_rtx): Use ggc_test_and_set_mark.
14953 (ggc_mark_tree): Likewise.
14954 (ggc_mark_rtvec): Likewise.
14955 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
14957 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
14959 * dwarf2out.c (scope_die_for): Only handle types. Only search for
14961 (decl_scope_table): Just an array of trees now.
14962 (push_decl_scope): Simplify.
14963 (dwarf2out_init): Adjust.
14964 (local_scope_p): New fn.
14965 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
14966 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
14967 (gen_typedef_die): Likewise.
14968 (gen_lexical_block_die): Don't call push/pop_decl_scope.
14969 (gen_inlined_subroutine_die): Likewise.
14970 (gen_abstract_function): Set current_function_decl temporarily.
14971 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
14972 Handle block extern declarations. Don't call push/pop_decl_scope.
14973 (gen_decl_die): Fix logic for block externs.
14975 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14977 * calls.c (special_function_p): Remove `realloc' and add `strdup'
14978 to the list of functions which have attribute malloc by default.
14980 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14982 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
14983 integer constant does not match the traditional type, limit the
14984 warnings to cases where the base of the type is ten.
14986 * invoke.texi (-Wtraditional): Document it.
14988 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14990 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
14991 * rs6000.md: Only access a CONST_INT with INTVAL
14993 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
14995 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
14996 (compute_nearerout): Likewise.
14997 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
14998 size_t to unsigned long for formatting.
15000 1999-11-30 Jakub Jelinek <jakub@redhat.com>
15002 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
15003 Allow the user to override call-used/fixed state of %g2-5
15004 registers from the command line (with the exception of %g4 for
15006 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
15007 there is a higher chance of having a leaf function.
15008 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
15009 for ARCH64 which has %ccr register.
15010 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
15012 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
15013 insn accept into delay slot any insn which does not use %[ol]
15014 registers. Accept some LO_SUM and shift left by 1 for the normal
15016 (output_function_epilogue): Likewise.
15017 (epilogue_renumber): Added argument which inhibits any renumbering
15018 and just tests if the rtx does not use any %[ol] registers.
15019 (output_return): Reflect above change.
15021 1999-11-30 Jakub Jelinek <jakub@redhat.com>
15023 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
15024 aggregate passing for sizes <= 16 bytes.
15026 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
15028 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
15029 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
15030 * reload.c (find_dummy_reload): Likewise.
15031 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
15032 * reload1.c (reload_as_needed): Likewise.
15033 * stupid.c (stupid_find_reg): Likewise.
15034 * tm.texi (Obsolete Register Macros): Delete section.
15035 * gmicro.h: Remove all traces of the two macros.
15036 * i386.h: Likewise.
15037 * m88k.h: Likewise.
15038 * mips.h: Likewise.
15040 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
15042 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
15043 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
15044 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
15045 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
15046 units for the sparclite86x chip.
15047 (flush): Revert October 14th change; add SImode specifically.
15048 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
15049 * invoke.texi: Document it.
15051 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
15053 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
15054 psimode_truncation_operand.
15056 * config/mn10200/mn10200.c (psimode_truncation_operand): New
15057 function. Return true if the operand is either a MEM valid
15058 for a PSImode address or not a MEM at all.
15060 * config/mn10200/mn10200.md (truncsipsi2): Use
15061 psimode_truncation_operand.
15063 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15065 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
15066 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
15067 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
15068 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
15069 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
15070 (flow_loop_level_compute, low_loops_level_compute): Likewise.
15071 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
15072 * basic-block.h: Protect from multiple inclusion.
15073 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
15074 (struct loops, struct loop): Define structures.
15075 * sbitmap.c (sbitmap_a_subset_b_p): New function.
15076 * sbitmap.h: Protect from multiple inclusion.
15077 (sbitmap_a_subset_b_p): Add prototype.
15078 * Makefile.in (LOOP_H): New macro.
15079 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
15081 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
15083 * cppinit.c (CAT): The argument list of this macro may not contain
15086 1999-11-29 David S. Miller <davem@redhat.com>
15088 Move quantity tables and register equivalence chains into
15089 per-qty and per-register structure arrays respectively.
15090 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
15091 qty_const_insn, qty_comparison_code, qty_comparison_const,
15092 qty_comparison_qty): Delete, replace with...
15093 (qty_table): this structure table.
15094 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
15095 (reg_eqv_table): this structure table.
15096 (make_new_qty): Add argument MODE. Caller updated.
15097 Update to use qty_table and reg_eqv_table.
15098 (make_regs_eqv, delete_reg_equiv, insert_regs,
15099 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
15100 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
15101 cse_process_notes, cse_main, cse_basic_block): Likewise.
15103 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15105 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
15106 operation if C is negative.
15107 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
15108 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
15109 law for some divisions if constant is negative and change other
15110 divisions to the opposite rounding.
15112 * expr.c (store_constructor_field): If bit position is not multiple
15113 of alignment of TARGET's mode, use BLKmode.
15115 * expr.c (expand_expr_unaligned): Add more code from full case
15116 that is needed when OP0 is in a register.
15118 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15120 * dwarfout.c (field_byte_offset): Size can be zero if there was
15123 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
15125 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
15126 (associate_trees): Delete unused var TEM.
15127 (extract_muldiv): Delete unused var CANCEL_P.
15129 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
15130 (target_isinf, target_isnan, target_negative): Add return types to
15131 function definitions.
15133 1999-11-29 Bruce Korb <autogen@linuxbox.com>
15135 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
15136 * fixinc/hackshell.tpl: ditto
15137 * fixinc/fixtests.c(double_slash_test): more C++ header testing
15138 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
15140 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
15142 * reload.c (push_reload): When looking for a register to put into
15143 reg_rtx, make sure all hard regs in a multi-reg register are in the
15144 right class and nonfixed.
15146 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
15147 pending_read_insns, pending_write_insns, pending_read_mems,
15148 pending_write_mems, pending_list_length, last_pending_memory_flush,
15149 last_function_call, sched_before_next_call): Move static variables
15151 (bb_ prefixed versions): Replace with single array bb_deps.
15152 (struct deps): New structure.
15153 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
15154 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
15155 argument of type "struct deps *"; use that instead of global
15156 variables. All callers changed.
15157 (init_rgn_data_dependencies): Delete function.
15158 (init_rtx_vector): Delete function.
15159 (init_deps): New function.
15161 (free_pending_lists): Simplify, we always use the bb_deps array even
15162 if only one basic block.
15163 (compute_block_backward_dependences): Likewise.
15164 (schedule_region): Likewise.
15166 (propagate_deps): New function, broken out of
15167 compute_block_backward_dependences.
15168 (compute_block_backward_dependences): Use it.
15170 * alpha.md: Delete useless patterns that tried to work around
15171 register elimination problems.
15173 * unroll.c (loop_iterations): Don't abort if iteration variable
15176 From Joern Rennecke:
15177 * reload1.c (reloads_conflict): Reverse test comparing operand
15178 numbers when testing for conflict between output/outaddr reloads.
15180 1999-11-29 David S. Miller <davem@redhat.com>
15182 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
15184 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
15186 1999-11-28 Robert Lipe <robertl@cygnus.com>
15188 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
15189 table from .fini into .dtor.
15191 1999-11-28 Anthony Green <green@cygnus.com>
15193 * tree.h (struct tree_decl): Add malloc_flag.
15194 (DECL_IS_MALLOC): Define.
15195 * c-common.c (attrs): Add A_MALLOC attribute.
15196 (init_attributes): Add this attribute to the table.
15197 (decl_attributes): Handle malloc attribute.
15198 * calls.c (special_function_p): Check for the malloc attribute.
15199 * extend.texi (Function Attributes): Document malloc attribute.
15201 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
15203 * pa.md (reload shift-add patterns): Remove.
15205 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15207 * reorg.c (dbr_schedule) Print more statistics. Corrected
15208 problem when printing info when 3 delay slots are filled.
15210 1999-11-28 Jakub Jelinek <jakub@redhat.com>
15212 * combine.c (setup_incoming_promotions): Pass an outgoing
15213 regno to FUNCTION_ARG_REGNO_P which it expects.
15215 1999-11-28 Andreas Jaeger <aj@suse.de>
15217 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
15219 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
15221 * cccp.c (do_include): Avoid initialization of automatic variable.
15223 * integrate.c (mark_stores): Function definition made void, to match
15224 previous declaration.
15225 * regclass.c (dump_regclass): Ditto.
15226 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
15228 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15230 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
15231 known to be multiple of divisor.
15233 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
15235 * combine.c (try_combine): Add code to try to merge a set of a
15236 two-word pseudo to a constant with a setting of one of those words
15239 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
15240 (split_tree): Completely rework to make more general.
15241 (make_range, fold): Call negate_expr.
15242 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
15243 (fold, associate): Call new split_tree and associate_trees.
15244 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
15246 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
15248 * loop.c (try_copy_prop): Avoid GNU C extension.
15250 1999-11-25 Mark Mitchell <mark@codesourcery.com>
15252 * except.c (init_eh_for_function): Still zero eh_return_context,
15253 eh_return_stack_adjust, and eh_return_handler.
15255 * except.h (eh_status): Adjust documentation for x_protect_list.
15256 (begin_protect_partials): New function.
15257 * except.c (enqueue_eh_entry): Fix formatting.
15258 (get_first_handler): Add consistency check.
15259 (add_partial_entry): Adjust usage of protect_list.
15260 (emit_cleanup_handler): Save and restore ehqueue.
15261 (expand_start_all_catch): Add comment.
15262 (begin_protect_partials): New function.
15263 (end_protect_partials): Adjust usage of protect_list.
15264 (init_eh_for_function): Use xcalloc.
15266 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15268 * c-common.c (check_format_info): Don't call a variadic function
15269 with a non-literal format string.
15271 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
15273 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
15274 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
15277 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
15280 * collect2.c (collect_wait): Likewise.
15282 * dbxout.c (dbxout_type): Likewise.
15284 * gcc.c (do_spec_1): Likewise.
15286 * genemit.c (gen_insn, gen_expand): Likewise.
15288 * genrecog.c (write_switch, write_subroutine): Likewise.
15290 * mips-tfile.c (catch_signal, botch): Likewise.
15292 * print-rtl.c (print_rtx): Likewise.
15294 * toplev.c (default_print_error_function, report_error_function,
15295 _fatal_insn): Likewise.
15297 1999-11-25 Mark Mitchell <mark@codesourcery.com>
15299 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
15301 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15303 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
15304 operations when needed.
15305 * i386.md (fop_?f_comm): New.
15306 (fop_?f_1): Do not accept commutative operands.
15308 1999-11-25 Andreas Jaeger <aj@suse.de>
15310 * config/mips/mips.md (casesi_internal): Add missing brace.
15312 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
15314 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
15315 (splice_child_die): Handle moving a child DIE from the declaration
15316 DIE of a class to its specification.
15317 (gen_struct_or_union_type_die): Use 'complete' consistently.
15318 (gen_decl_die): Generate the virtual context DIE first.
15319 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
15321 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
15323 * config/mips/mips.md (call_value_multiple_interanal1): New.
15325 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
15327 * dwarf2out.c (free_AT, free_die): New fns.
15328 (remove_children): Call them.
15329 (output_line_info): Disable removal of duplicate notes.
15331 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
15332 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
15333 means pretend the type isn't defined.
15334 Don't defer emitting types.
15335 (gen_type_die_for_member): New fn.
15336 (gen_decl_die): Call it.
15337 (splice_child_die): New fn.
15338 (gen_member_die): Call it rather than generate duplicate dies.
15340 Defer emitting information for the abstract instance of an inline
15341 until we either inline it or emit an out-of-line copy.
15342 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
15343 from output_inline_function if DECL_ABSTRACT is also set.
15344 (block_ultimate_origin): Likewise.
15345 (gen_abstract_function): New fn.
15346 (gen_decl_die, gen_inlined_subroutine_die): Call it.
15347 (gen_subprogram_die): An abstract instance is not a declaration
15348 just because it doesn't match current_function_decl. Don't abort
15349 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
15350 has an abstract origin.
15351 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
15352 abstract instance here.
15354 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
15356 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
15357 where we need to reload fpul from a system register.
15359 1999-11-24 Andreas Jaeger <aj@suse.de>
15361 * config/mips/linux.h (CPP_PREDEFINES): Added.
15362 (LINK_SPEC): Remove -Y since this is only needed on sparc.
15364 1999-11-24 Andreas Jaeger <aj@suse.de>
15366 * config/mips/linux.h (TARGET_VERSION): Added.
15367 (HANDLE_SYSV_PRAGMA): Added.
15368 (DEFAULT_VTABLE_THUNKS): Added.
15370 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15372 * local-alloc.c (qty): New structure and static variable.
15373 (qty_phys_reg): Remove, all references changed to qty.
15374 (qty_n_refs): Likewise.
15375 (qty_min_class): Likewise.
15376 (qty_birth): Likewise.
15377 (qty_death): Likewise.
15378 (qty_size): Likewise.
15379 (qty_mode): Likewise.
15380 (qty_n_calls_crossed): Likewise.
15381 (qty_alternate_class): Likewise.
15382 (qty_changes_size): Likewise.
15383 (qty_first_reg): Likewise.
15384 (alloc_qty): Rename variable QTY to QTYNO.
15385 (finf_free_reg): Likewise.
15386 (local_alloc): Allocate qty, do not allocate the removed variables.
15388 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
15390 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
15391 when -membedded-pic is passed.
15393 * config/mips/mips.md (casesi): Handle 64-bit case too.
15394 (casesi_internal_di): New insn.
15396 * config/mips/mips.c (embedded_pic_offset): Always make the
15397 embedded-pic subtractions relative to the name of the current
15398 function by use of the magic string "..CURRENT_FUNCTION".
15399 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
15401 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
15403 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
15404 of (const_int 0), when what we really care about is
15405 whether it's a zero constant anyway.
15406 (div_trap_mips16): Likewise.
15408 1999-11-23 Mark Mitchell <mark@codesourcery.com>
15410 * loop.c (loop_optimize): Always find_loop_tree_blocks and
15411 unroll_block_trees when generating debuggable code.
15413 * tree.h (unsave_expr_1): New function.
15414 (lang_unsave): New variable.
15415 (get_callee_fndecl): New function.
15416 * tree.c (unsave_expr_now_r): New function.
15417 (lang_unsave): Define.
15418 (unsave_expr_1): Likewise.
15419 (unsave_expr_now_r): Split out from unsave_expr_now.
15420 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
15421 call unsave_expr_now_r.
15422 (get_callee_fndecl): Define.
15424 * Makefile.in (gencheck): Don't depend on lang_tree_files.
15425 (gencheck.o): Do depend on lang_tree_files.
15427 * integrate.h (copy_decl_for_inlining): New declaration.
15428 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
15429 (copy_decl_for_inlining): New function.
15430 (integrate_parm_decls): Use it.
15431 (integrate_decl_tree): Likewise.
15433 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
15435 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
15436 the second two from the first.
15437 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
15438 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
15439 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
15441 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
15442 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
15445 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
15447 * pa.md (call_internal_symref, call_value_internal_symref): No mode
15448 needed on the address operand.
15449 * pa.c (call_operand_address): Check for the correct mode.
15451 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
15453 * loop.c: Include "basic-block.h".
15454 (try_copy_prop, replace_loop_reg): New functions.
15455 (load_mems): Detect registers that just hold copies of the hoisted
15456 mem, and call try_copy_prop to eliminate them.
15457 * Makefile.in (loop.o): Update dependencies.
15459 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
15461 * Makefile.in (gencheck.o): Depend on gencheck.h.
15462 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
15463 (insn-peep.o): Depend on except.h and function.h.
15464 (insn-attrtab.o): Depend on RECOG_H.
15465 (insn-output.o): Depend on toplev.h and flags.h.
15466 (gengenrtl.o): Depend on real.h.
15467 (gen-protos.o): Depend on cpplib.h and cpphash.h.
15468 Unify all dependencies to be on RECOG_H rather than recog.h.
15470 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15472 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
15473 * configure.in: Try building a bi-arch 32/64-bit compiler on
15474 sparc-*-solaris2.7 and higher.
15475 * configure: Rebuild.
15477 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
15479 * config/freebsd.h: New, FreeBSD architecture independent file.
15480 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
15481 independent pieces.
15482 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
15483 directly by i386/freebsd.h.
15484 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
15485 independent configuration file.
15486 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
15487 directly by i386/freebsd.h.
15488 * configure: Rebuilt.
15490 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
15491 which is in the user's namespace.
15492 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
15493 `i386' which is not in our namespace.
15495 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
15497 * invoke.texi (ARM Options): Add in -mno-alignment-traps
15499 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
15501 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
15502 (add_dwarf_attr, add_child_die): Just push onto the front.
15503 (reverse_die_lists): New fn.
15504 (add_sibling_attributes): Use it.
15505 (push_decl_scope): Reorganize.
15506 (add_name_and_src_coords_attributes): Don't set file and line for
15507 an artificial decl.
15508 (gen_subprogram_die): An artificial function doesn't need to match
15510 (gen_compile_unit_die): Return the generated die. Only add
15511 AT_comp_dir if the filename is relative.
15512 (remove_AT): Simplify loop. Also free string values.
15513 (output_die): A DIE ref can't be null.
15514 (output_value_format, value_format): Take a dw_attr_ref.
15515 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
15516 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
15517 AT_addr, AT_lbl): New fns.
15518 (various): Use them.
15519 (various): Constify.
15521 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15523 * combine.c (combine_simplify_rtx): When handling a SUBREG,
15524 take SUBREG_WORD into account.
15525 (if_then_else_cond): Likewise.
15527 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
15529 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
15530 clause from BSD license, pursuant with
15532 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
15534 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
15536 * loop.c (load_mems): Reformat slightly.
15537 * basic-block.h (regset_head): New typedef.
15538 (INIT_REG_SET): New macro.
15540 1999-11-22 Bruce Korb <autogen@linuxbox.com
15542 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
15543 (mips-dec-bsd*): non-functional code
15544 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
15546 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
15547 added three replacement fixes
15548 (no_double_slash): removed comments that are not (any longer) pertinent
15549 (bad_lval): this fix currently runs against many files.
15550 The comment seems to indicate that we should select for files
15551 containing 'pragma extern_prefix'.
15553 * fixinc/fixinc.x86-linux-gnu: deleted
15554 * fixinc/inclhack.sh: regen
15555 * fixinc/fixincl.x: regen
15556 * fixinc/fixincl.sh: regen
15558 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
15560 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
15561 its code is INSN and it has no notes.
15563 1999-11-22 Andrew Haley <aph@cygnus.com>
15565 * varasm.c (function_defined): Remove.
15566 (make_function_rtl): Don't set function_defined.
15567 (make_decl_rtl): Remove global register warning.
15568 * regclass.c (no_global_reg_vars): New variable.
15569 (globalize_reg): Warn if function has already been defined.
15570 (regclass_init): Set no_global_reg_vars.
15572 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15574 * regclass.c (reg_pref): New structure and static variable
15575 (prefclass): Delete.
15576 (altclass): Delete.
15577 (all uses of prefclass and altclass): Use reg_pref instead.
15579 1999-11-21 Nick Clifton <nickc@cygnus.com>
15581 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
15583 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
15584 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
15585 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
15587 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
15589 * varasm.c (output_constructor): Solve problem with long long
15590 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
15592 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15594 * global.c (allocno): New structure and static variable.
15595 (allocno_reg): Remove, all references replaced by allocno.
15596 (allocno_size): Likewise.
15597 (hard_reg_conflicts): Likewise.
15598 (hard_reg_preferences): Likewise.
15599 (hard_reg_copy_preferences): Likewise.
15600 (hard_reg_full_preferences): Likewise.
15601 (regs_someone_prefers): Likewise.
15602 (allocno_calls_crossed): Likewise.
15603 (allocno_n_refs): Likewise.
15604 (allocno_live_length): Likewise.
15605 (find_reg): Rename ALLOCNO to NUM.
15607 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
15608 references updated.
15609 (may_move_out_cost): New variable.
15610 (init_reg_sets_1): Initialize may_move_out_cost.
15611 (record_reg_classes): Use may_move_out_cost.
15613 * regclass.c (dump_regclass): New function.
15614 (regclass): New parameter DUMP, call DUMP_REGCLASS.
15615 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
15616 pass rtl_dump_file to regclass.
15617 * rtl.h (regclass): Update prototype.
15619 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15621 * i386.md (neg, not and abs patterns): Revmap to use
15622 ix86_expand_unary_operator and ix86_unary_operator_ok.
15623 (add?f and sub?f expanders): Force operand 1 to register.
15624 * i386.c (ix86_expand_unary_operator): Rewrite.
15625 (ix86_unary_operator_ok): Ensure that memory operands
15627 (ix86_binary_operator_ok): Do not allow operand 1 to
15628 come into memory and operand 0 not.
15629 (ix86_expand_binary_operator): Ensure that
15630 src1 is not non-matching memory.
15632 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
15633 to support integer registers and memory.
15634 (abss?2_integer): Likewise.
15636 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
15637 (REG_CLASS_NAMES): Likewise.
15638 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
15640 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
15641 (movsf): Likewise; unify 4th and 5th alternative.
15642 (pushdf): Likewise.
15643 (movdf_1): Likewise; rename to movdf_integer.
15644 (pushxf): Likewise; rename to pushxf_integer; fix output template;
15645 remove redundant splitter.
15646 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
15647 (movdf_nointeger): New.
15648 (movxf_nointeger): New.
15649 (pushxf_nointeger): New.
15651 * i386.md (extend?f?f): Split to expander and pattern, refuse two
15652 memory operands in patterns.
15653 (fop*): Refuse two memory operands.
15655 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
15656 on !TARGET_USE_CLTD CPUs.
15658 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
15660 * extend.texi: Document C++ restricted pointers and references.
15662 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
15664 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
15665 (invalidate_skipped_set): Call it unconditionally.
15666 (cse_set_around_loop): Likewise.
15668 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15670 * rtl.texi (mem): Add documentation for alias-set argument
15673 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15675 * i386.h (struct_processor_costs): New fields int_load, int_store,
15676 fp_move, fp_load and fp_store
15677 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
15679 (MEMORY_MOVE_COST): New macro.
15680 * i386.c (386_cost): Define new fields.
15681 (i486_cost): Likewise.
15682 (pentium_cost): Likewise.
15683 (pentiumpro_cost): Likewise.
15684 (k6_cost): Likewise.
15686 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
15687 Geoffrey Keating <geoffk@cygnus.com>
15689 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
15691 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
15694 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
15695 (TARGET_STRICT_ALIGNMENT): New macro.
15696 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
15697 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
15698 * invoke.texi (M680x0 Options): Document -mstrict-align.
15700 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
15701 Richard Henderson <rth@cygnus.com>
15703 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
15704 (ix86_split_long_move): Declare.
15705 * i386.c (split_xf, ix86_split_movdi): Remove.
15706 (ix86_split_to_parts, ix86_split_long_move): New.
15707 * i386.md (dimode move splitters): Use ix86_split_long_move.
15708 (dfmode move splitters): Likewise.
15709 (xfmode move splitters): Likewise.
15710 (movsf_1): Allow F->r.
15711 (movdf_1, movxf_1): Allow F->ro.
15713 1999-11-17 Mark Mitchell <mark@codesourcery.com>
15715 * except.h (struct eh_entry): Add goto_entry_p.
15716 (eh_region_from_symbol): Remove prototype.
15717 * except.c (find_func_region_from_symbol): New function.
15718 (emit_cleanup_handler): Likewise.
15719 (eh_region_from_symbol): Make it static.
15720 (add_new_handler): Verify the argument.
15721 (find_func_region): Update comment.
15722 (expand_eh_region_end): Expand handlers here, rater than waiting
15723 until expand_leftover_cleanups or start_all_catch.
15724 (expand_leftover_cleanups): Don't expand here.
15725 (expand_start_all_catch): Or here.
15726 (expand_rethrow): Check the return value from find_func_region.
15727 * function.c (expand_function_end): Emit the catch_clauses.
15729 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
15731 * integrate.c (expand_inline_function): Add necessary check for NULL.
15733 1999-11-18 Nick Clifton <nickc@cygnus.com>
15735 * toplev.c (main): Correctly detect an unrecognised option.
15737 * cppinit.c (cpp_handle_option): Do not claim to have consumed
15738 a -f option if it has not been recognised.
15740 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
15742 * basic-block.h (update_life_extent): Remove trailing comma on
15743 enumeration type list.
15745 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15747 * varasm.c (output_constructor) Solved problem with long long
15748 bitfields. Corrected calculating this_time and shift. Also
15749 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
15751 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
15753 * flow.c (split_edge): Take looping structure into account when
15754 determining where to put the new block note.
15756 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
15758 * Makefile.in (ggc-none.o): Provide host specific version if
15761 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
15763 * cse.c (delete_trivially_dead_insns): Identify no-op insns
15764 containing subregs too.
15766 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15768 * invoke.texi: Add documentation for -muninit-const-in-rodata.
15769 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
15770 (TARGET_UNINIT_CONST_IN_RODATA): Define.
15771 (text_section): Add switches -munint-const-in-rodata and
15772 -mno-uninit-const-in-rodata.
15773 (ASM_OUTPUT_COMMON): Remove.
15774 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
15775 const objects should be placed in read-only data. Otherwise declare
15778 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
15780 * jump.c (jump_optimize_1): Revert last change.
15782 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
15784 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
15785 test if optimizing for size.
15787 1999-11-17 Mark Mitchell <mark@codesourcery.com>
15789 * Makefile.in (toplev.o): Depend on except.h.
15790 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
15792 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15794 * i386.md (divmodsi4): Rewrite to expander.
15795 (*divmodsi4_nocltd): New.
15796 (*divmodsi4_cltd): New.
15797 (divmodsi4 splitter): Handle the case when input comes in edx.
15798 (udivmodhi4): Do not use constraints in exander.
15799 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
15801 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
15803 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
15804 for the common case.
15806 1999-11-16 Jakub Jelinek <jakub@redhat.com>
15808 * explow.c (hard_function_value): Add outgoing argument.
15809 * expr.h (hard_function_value): Declare it.
15810 * calls.c (expand_call, emit_library_call_value): Update callers.
15811 * function.c (aggregate_value_p): Ditto.
15812 (diddle_return_value): Must look at the outgoing registers
15813 on archs with register windows.
15815 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
15817 * alpha.c (alpha_build_va_list): Use make_lang_type and
15818 initialize TYPE_NAME for the va_list record.
15820 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
15822 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
15824 * ggc.h (struct ggc_statistics): Rearrange elements for better
15825 packing on 64-bit hosts.
15826 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
15827 (compute_nearerout): Likewise.
15829 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
15831 * config/rs6000/rs6000.c (first_reg_to_save): Save
15832 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
15834 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
15836 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
15837 notion of nesting to find the DIE for a type or function.
15838 DIEs can go in limbo even if we got a context_die.
15839 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
15840 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
15842 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
15843 (gen_type_die): Writing out the context doesn't cause member class
15844 template instantiations to be written out as well.
15846 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
15848 * rs6000.h (ASM_OUTPUT_DEF): New.
15849 Based on proposed addition from David Edelsohn.
15851 1999-11-15 Robert Lipe <RobertLipe@usa.net>
15852 Bruce Korb <autogen@linuxbox.com>
15854 * fixinc/inclhack.def
15855 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
15856 (unixware7_byteorder_fix): added. Removes conflicts for new defs
15858 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
15859 (svr4_endian): enabled with SVR5
15860 (svr4_mkdev): simplified syntax and enabled with SVR5
15862 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
15864 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
15865 * configure: Rebuilt.
15866 * config/t-freebsd-thread: New file.
15868 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
15870 * i386.c (ix86_decompose_address): Verify the base is a REG
15871 before trying to examine its register number.
15873 * basic-block.h: Remove all #defines and prototypes related to
15875 (free_bb_mem, compute_preds_succs): Remove prototype.
15876 * rtl.h (free_bb_mem): Remove prototype.
15877 * flow.c (alloc_int_list_node); Remove function.
15878 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
15879 (compute_preds_succs, free_bb_mem): Likewise.
15880 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
15881 * toplev.c (rest_of_compilation): Likewise.
15882 * haifa-sched.c (build_control_flow): Use flow generated edge
15883 list to build the haifa specific edge list.
15884 (find_rgns): Use new CFG data structures instead of pred/succ lists.
15885 (schedule_insns): Do not build pred/succ lists anymore. Instead
15886 build the edge table.
15888 * basic-block.h (dump_bb_data): Remove declaration.
15889 * flow.c (dump_bb_data): Remove function.
15890 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
15891 (sbitmap_union_of_predsucc): Likewise.
15893 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
15894 argument. All callers changed.
15895 (delete_null_pointer_checks_1): No longer need to compute the
15898 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
15899 All callers changed.
15900 (pre_expr_reaches_here_p_work): Likewise.
15901 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
15902 * lcm.c (compute_laterin): Fix initialization of LATER.
15903 (compute_nearerout): Similarly for NEARER.
15905 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15907 * cse.c (set_nonvarying_address_components): Delete unused function.
15908 (refers_to_p): Likewise.
15910 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
15912 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
15915 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15917 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
15918 definition in do while (0).
15920 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
15922 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
15924 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
15926 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
15928 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
15930 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
15931 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
15932 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
15933 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
15935 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
15936 saved on the stack. Output more accurate stack frame statistics
15937 into assembler file.
15939 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
15941 * genextract.c (record_insn_name): New function.
15942 (get_insn_name): No longer a stub.
15943 (main): Call record_insn_name for each insn. After each label
15944 written, print the insn name in a comment.
15946 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15948 * output.h (const_section, init_section, fini_section): Add
15951 * alpha/elf.h (const_section): Delete declaration.
15953 * svr4.h (const_section): Likewise.
15955 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
15957 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
15958 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
15959 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
15961 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
15962 variable-sized array bounds.
15964 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
15966 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
15969 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15971 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
15972 addresses the same way GO_IF_LEGITIMATE_INDEX does.
15974 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15976 * cse.c (hash_arg_in_struct): Delete.
15977 (struct table_elt): Delete elt in_struct.
15978 (struct set): Delete elt src_in_struct.
15979 (merge_equiv_classes): Don't set either hash_arg_in_struct or
15980 the corresponding in_struct elts.
15981 (canon_hash): Likewise.
15982 (safe_hash): Likewise.
15983 (find_best_addr): Likewise.
15984 (record_jump_cond): Likewise.
15985 (cse_insn): Likewise.
15987 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
15989 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
15991 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
15994 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
15996 * function.c (diddle_return_value): Put back check that the DECL_RTL
15997 for the function is a register.
15999 * function.c (diddle_return_value): Use hard_function_value to
16000 get an rtx suitable for use in the USE/CLOBBER insn.
16002 * global.c (global_conflicts): Update comments.
16003 (record_conflicts): No need to record conflicts between pseudos here.
16005 1999-11-11 Bruce Korb <autogen@linuxbox.com>
16007 * fixinc/fixincl.c: Added verbose levels for status messages
16009 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16011 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
16012 operand as argument to expand_and or expand_binop.
16014 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
16016 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
16017 gcc_add_string_root.
16019 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
16021 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
16023 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
16025 * flow.c (compute_flow_dominators): Initially put all blocks on
16027 * lcm.c (compute_antinout_edge, compute_available): Similarly.
16028 * gcse.c (compute_cprop_avinout): Remove.
16029 (compute_cprop_data): Use compute_available.
16030 (delete_null_pointer_checks_1): Use compute_available.
16032 * basic-block.h (compute_available): Returns a void now.
16033 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
16034 to return a value anymore.
16035 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
16036 worklists. Fix boundary cases. Compute maximal solutions.
16037 (compute_laterin, compute_nearerout): Similarly.
16039 * dwarf2out.c (add_AT_location_description): Allow
16040 (mem (plus (pseudo) (...)) too.
16042 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
16044 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
16046 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
16047 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16049 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
16051 * gansidecl.h: Likewise.
16057 * toplev.h: Likewise.
16059 * tree.c: Likewise.
16061 * tree.h: Likewise.
16063 * varray.c: Likewise.
16065 * varray.h: Likewise.
16067 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
16069 * gcov.c (struct arcdata): Add hits and total, remove prob.
16070 (output_branch_counts): New.
16071 (process_args): Set output_branch_counts if -c.
16072 (calculate_branch_probs): Store hits and total instead of
16074 (output_data): Emit counts if output_branch_counts is true.
16075 * gcov.texi (Invoking Gcov): Document -c switch..
16077 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
16079 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
16080 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
16082 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
16084 * invoke.texi (C Dialect Options): Add missing builtins from
16085 c-common.c to list.
16086 * extend.texi (Other Builtins): Copy to this list.
16088 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16090 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
16091 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
16092 redundant bitmap.h.
16094 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
16096 * flow.c (compute_flow_dominators): No longer treat basic block 0
16097 or (n_basic_blocks - 1) specially. Clear the AUX field before
16098 starting computation of doms/pdoms. Fix initial state for pdoms.
16100 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16102 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
16103 match rtl.o's: added ggc.h and toplev.h
16104 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
16105 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
16106 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
16108 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
16110 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
16111 from HAVE_DOS_BASED_FILESYSTEM.
16112 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
16113 HAVE_DOS_BASED_FILESYSTEM.
16115 (split_directories): Only special-case DOS file names if
16116 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
16117 instead of explicit tests. Conditionalize on !VMS.
16118 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
16119 tests. Conditionalize on !VMS.
16120 (process_command): Only use make_relative_prefix if !VMS.
16121 (free_split_directories): Conditionalize on !VMS.
16122 (DIR_UP): Conditionalize on !VMS.
16124 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
16126 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
16128 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
16130 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
16133 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
16135 * invoke.texi (Environment Variables): Document relative path
16137 * gcc.c (DIR_UP): If not defined, define as "..".
16138 (standard_bindir_prefix): New static, holds target location to
16140 (split_directories): New function to split a filename into
16141 component directories.
16142 (free_split_directories): New function, release memory allocated
16143 by split_directories.
16144 (make_relative_prefix): New function, make a relative pathname if
16145 the compiler is not in the expected location.
16146 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
16147 can figure out an appropriate prefix from argv[0].
16148 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
16149 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
16150 STANDARD_BINDIR_PREFIX.
16152 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16154 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
16156 * config/c4x/c4x.h: Moved prototypes to c4x.h.
16157 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
16158 c4x_secondary_memory_needed) Delete.
16159 (fp_zero_operand): Add mode argument.
16161 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
16163 * reload1.c (reload_reg_free_for_value_p): Don't use a register
16164 that is in reload_reg_used.
16166 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
16168 * config/arm/arm-protos.h: New file: Prototypes for functions
16169 defined in arm.c and pe.c.
16170 * config/arm/arm.h: Fix compile time warnings.
16171 * config/arm/arm.c: Fix compile time warnings.
16172 * config/arm/pe.h: Fix compile time warnings.
16173 * config/arm/aout.h: Fix compile time warnings.
16175 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
16177 * config/m32r/m32r-protos.h: New file: Prototypes for functions
16180 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
16181 Add support for subtargets.
16182 Add prototypes for new predicates.
16183 Add scheduling macros.
16185 * config/m32r/m32r.c: Fix compile time warnings.
16186 (int8_operand): New predicate function.
16187 (reg_or_cmp_int16_operand): New predicate function.
16188 (extend_operand): New predicate function.
16189 (m32r_adjust_code): New scheduling function.
16190 (m32r_adjust_priorty): New scheduling function.
16191 (m32r_sched_init): New scheduling function.
16192 (m32r_sched_reorder): New scheduling function.
16193 (m32r_sched_variable_issue): New scheduling function.
16194 (direct_return): New codegen function.
16195 (m32r_not_same_reg): New rtl testsing function.
16197 * config/m32r/m32r.md: Fix compile time warnings.
16198 Add support for pre decrement and post increment memory
16200 Add S<cc> patterns.
16203 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16205 * global.c (EXECUTE_IF_CONFLICT): Don't define.
16206 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
16207 (find_reg): Likewise.
16209 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
16211 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
16212 to avoid assembler errors.
16214 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
16216 * config/v850/v850-protos.h: New file: Prototypes for functions
16218 * config/v850/v850.h: Move prototypes to v850-protos.h
16219 * config/v850/v850.c: Move prototypes to v850-protos.h
16220 * config/v850/v850.md: Fix compile time warnings.
16222 * config/fr30/fr30-protos.h: New file: Prototypes for functions
16224 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
16225 * config/fr30/fr30.c: Fix compile time warnings.
16226 * config/fr30/fr30.md: Fix compile time warnings.
16228 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
16230 * tree.h (get_containing_scope): Declare it.
16231 * tree.c (get_containing_scope): New fucntion.
16232 (decl_function_context): Use it.
16233 * toplev.c (rest_of_compilation): Use get_containing_scope.
16235 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16237 * Makefile.in (rtl.o): Depend on toplev.h.
16239 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
16241 * cse.c (delete_trivially_dead_insns): Replace alloca with
16243 * except.c (update_rethrow_references): Likewise.
16244 (init_eh_nesting_info): Likewise.
16245 * function.c (identify_blocks): Likewise.
16246 * gcse.c (dump_hash_table): Likewise.
16247 * graph.c (print_rtl_graph_with_bb): Likewise.
16248 * loop.c (combine_movables): Likewise.
16249 (move_movables): Likewise.
16250 (count_loop_regs_set): Likewise.
16251 (strength_reduce): Likewise.
16252 * profile.c (compute_branch_probabilities): New function, split
16254 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
16255 * regclass.c (regclass): Likewise.
16256 * regmove.c (regmove_optimize): Likewise.
16257 * toplev.c (compile_file): Likewise.
16258 (main): Don't mess with the stack rlimit.
16260 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
16262 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
16263 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
16265 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
16267 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
16269 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
16271 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
16272 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
16275 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
16277 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
16279 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
16281 * gcse.c (post_dominators): Kill.
16282 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
16283 (compute_code_hoist_data): Use compute_flow_dominators. Do not
16284 pass in a pdom array since we do not need pdoms.
16285 * haifa-sched.c (schedule_insns): Similarly.
16286 * flow.c (compute_dominators): Remove dead function.
16287 (compute_flow_dominators): Do not compute doms or pdoms if the
16288 caller does not request them. Split up loop to build doms and
16289 pdoms. Use a worklist to compute doms and pdoms.
16290 * basic-block.h (compute_dominators): Remove prototype.
16292 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
16294 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
16295 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
16296 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
16297 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
16298 (cant_move, fed_by_spec_load, is_load_insn): Remove.
16299 (schedule_region): Remove unused variable.
16300 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
16302 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
16304 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
16305 (update_equiv_regs): Likewise.
16306 (block_alloc): Likewise.
16307 * reg-stack.c (reg_to_stack): Likewise.
16308 (convert_regs_2): Likewise.
16309 * reload1.c (reload_as_needed): Likewise.
16311 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
16313 * Makefile.in (dbxout.o): Depend on ggc.h.
16314 (dwarf2out.o): Likewise.
16315 (xcoffout.o): Likewise.
16316 * dbxout.c: Include ggc.h.
16317 (dbxout_init): Register lastfile as a root.
16318 * dwarf2out.c: Include ggc.h.
16319 (dwarf2out_line): Register lastfile as a root.
16320 * xcoffout.c: Include ggc.h.
16321 (xcoffout_source_line): Register xcoff_lastfile as a root.
16323 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
16325 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
16327 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
16329 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
16331 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
16333 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16335 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
16336 (EXECUTE_IF_CONFLICT): Likewise.
16337 (ALLOCNO_LIVE_P): Avoid signed division.
16338 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
16339 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
16340 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
16342 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
16344 * haifa-sched.c (schedule_block): Don't crash if there's no
16345 next insn for an interblock movement.
16346 (add_branch_dependences): Don't allow clobber insns to move either.
16348 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
16350 * i386.c (split_xf): New.
16351 * i386-protos.h: Declare it.
16352 * i386.md (movxf_1): Add general regs alternatives.
16353 (movxf_1+1): New splitter for same.
16355 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
16357 * function.c (purge_addressof_1): Add missing return values.
16359 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
16361 * function.c (is_addressof): New function. Returns true if
16362 the given piece of RTL is an ADDRESSOF.
16363 (purge_addressof_1): Make boolean. Return false if the
16364 ADDRESSOFs could not be purged.
16365 (purge_addressof): If ADDRESSOFs could not be purged from the
16366 notes attached to an insn, remove the offending note(s),
16367 unless they are attached to a libcall.
16369 1999-11-05 Andreas Jaeger <aj@suse.de>
16371 * genoutput.c (null_operand =): Initialize all fields.
16373 * errors.h: Add extern to prototypes.
16375 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
16377 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
16378 * configure: Rebuilt.
16380 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16382 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
16383 (mirror_conflicts): New function.
16384 (global_alloc): Call it.
16385 (expand_preferences): Remove redundant CONFLICTP test.
16386 (find_reg, dump_conflicts): Likewise.
16387 (prune_preferences): Process conflicts one word at a time.
16389 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
16391 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
16392 instead of an explicit loop.
16394 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
16396 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
16397 if REG_RETVAL check succeeds, then put classp in src_elt.
16399 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
16401 * function.c (pad_to_arg_alignment): Only update argument_pad
16402 if the argument's alignment is greater than STACK_BOUNDARY.
16404 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
16406 * bitmap.h (BITMAP_XFREE): New.
16407 * flow.c (life_analysis): Use it.
16408 (life_analysis_1): Free blocks.
16410 * combine.c (undo_commit): New.
16411 (try_combine): Use it. Don't zap undobuf.undos.
16412 (combine_instructions): Don't zap undobuf.undos; free the
16413 undobuf.frees list.
16415 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
16417 * stmt.c (cost_table_): New.
16418 (estimate_case_costs): Use it instead of xmalloc.
16420 * toplev.c (compile_file): Reuse dumpname memory instead
16423 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
16425 * reg-stack.c (convert_regs_1): Initialize target_stack->top
16426 after verifying an EH edge.
16428 * haifa-sched.c (init_rgn_data_dependences): Correctly
16429 size bb_pending_lists_length when zeroing.
16431 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
16433 * function.c (diddle_return_value): New.
16434 (expand_function_end): Use it.
16435 * stmt.c (expand_null_return): Likewise.
16436 (expand_value_return): Likewise.
16438 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
16440 * reload1.c (reload): Don't remove return value clobbers.
16442 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
16444 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
16446 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
16448 * cse.c (cse_main): Use xmalloc, not alloca.
16449 (cse_basic_block): Likewise.
16450 * local-alloc.c (local_alloc): Likewise.
16452 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
16453 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16455 * rtl.c: Include toplev.h.
16456 (fatal): Remove declaration.
16458 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
16460 * haifa-sched.c (schedule_block): Fix thinko.
16462 1999-11-03 James McKelvey <mckelvey@fafnir.com>
16464 * fixinc/fixincl.c(create_file): Allow for systems that do not have
16465 S_IR* defined values
16467 1999-11-03 Philippe De Muyter <phdm@macqel.be>
16469 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
16470 call `malloc' instead.
16472 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
16474 * flags.h (flag_renumber_insns): Declare.
16475 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
16477 * rtl.h (renumber_insns): Change prototype.
16478 * toplev.c (flag_renumber_insns): Define.
16479 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
16481 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
16483 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
16484 and fpsqrtd. Use them and create fdiv function unit to more
16485 accurately represent fpu sqrt pipeline semantics on UltraSparc.
16486 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
16488 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
16490 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
16492 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
16493 insn into ready list, do not use just a raw swap.
16495 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
16497 * rtl.h (renumber_insns): New function.
16498 (remove_unnecessary_notes): Likewise.
16499 * emit-rtl.c (renumber_insns): Define.
16500 (remove_unncessary_notes): Likewise.
16501 * toplev.c (rest_of_compilation): Remove dead code.
16502 Use renumber_insns and remove_unncessary_notes.
16504 * gcse.c (struct null_pointer_info): New type.
16505 (get_bitmap_width): New function.
16506 (current_block): Remove.
16507 (nonnull_local): Likewise.
16508 (nonnull_killed): Likewise.
16509 (invalidate_nonnull_info): Take a null_pointer_info as input.
16510 (delete_null_pointer_checks_1): New function.
16511 (delete_null_pointer_checks): Use it.
16513 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
16514 (split_edges): Likewise.
16515 (schedule_block): Likewise.
16516 (compute_block_backward_dependencies): Likewise.
16517 (schedule_region): Likewise.
16518 (schedule_insns): Likewise.
16520 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
16522 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
16523 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
16524 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
16525 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
16526 * jump.c (delete_unreferenced_labels): Don't delete if
16527 LABEL_ALTERNATE_NAME is set.
16528 * print-rtl.c (print_rtx): Dump alternate name.
16529 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
16530 * rtl.h (LABEL_ALTERNATE_NAME): Define.
16531 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
16532 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
16534 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16536 * fix-header.c (recognized_extern, recognized_function): Constify
16539 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
16540 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
16541 (compute_available): Remove unused variable `last'.
16542 (compute_nearerout): Remove unused variable `temp_bitmap'.
16543 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
16544 Remove unused variable `x'.
16546 * scan.h (recognized_function, recognized_extern): Constify a
16549 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
16551 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16553 * varasm.c (decode_rtx_const): Use XSTR to access the string
16556 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
16558 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
16560 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16562 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
16564 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
16566 * pa.c (ireg_operand): New function.
16567 * pa.h (PREDICATE_CODES): Handle ireg_operand.
16568 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
16569 Fix out of date comment.
16571 * pa.md (negdi2): Turn into expander + anonymous pattern.
16573 * reload.c (find_reloads): Fix typos in recent change.
16575 * dwarf2out.c: Do not include ctype.h.
16577 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16579 * regclass.c (record_reg_classes): Always use may_move_cost when
16580 seeing how operand fits with various register classes.
16582 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
16584 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
16585 * toplev.c: Revert Nov 1 13:22 change.
16587 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
16589 * config/pa/pa.md (height reduction patterns): Add checks for
16590 overlapping operands to avoid semantic-destroying splits for
16591 height reduction patterns.
16593 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16595 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
16596 have been an hyphen, fixed.
16597 * configure: Rebuilt.
16599 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
16601 * config/arm/tpe.h: Add prototypes for exported functions.
16602 * config/arm/pe.c: Fix compile time warnings.
16603 * config/arm/semi.h: Fix compile time warnings.
16604 * config/arm/arm.c: Fix compile time warnings.
16605 * config/arm/arm.h: Fix compile time warnings.
16606 * config/arm/arm.md: Fix compile time warnings.
16607 * config/arm/thumb.c: Fix compile time warnings.
16608 * config/arm/thumb.h: Fix compile time warnings.
16609 * config/arm/thumb.md: Fix compile time warnings.
16611 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
16613 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
16616 * unroll.c (unroll_loop): Remove LOOP notes when loop is
16617 completely unrolled.
16619 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16621 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
16623 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
16625 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
16626 * rtl.h (rtx_equal_p): Move prototype.
16627 * rtl.c (rtx_equal_function_value_matters): Move from
16629 (rtx_equal_p): Likewise.
16630 * rtlanal.c (rtx_equal_function_value_matters): Delete.
16631 (rtx_equal_p): Likewise.
16633 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
16635 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
16636 ! HAS_INIT_SECTION.
16638 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
16640 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
16642 * pa.h (ADDR_VEC_ALIGN): Define.
16644 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
16645 notes when presented with "if (foo) break; end_of_loop" and
16646 the break sequence gets moved out of the loop.
16648 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
16649 Remove explicit zero initializations of entries within MAP.
16651 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
16653 * reg-stack.c (convert_regs_1): Handle EH edges specially.
16655 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
16657 * bitmap.h (BITMAP_XMALLOC): New macro.
16658 * flow.c (CLEAN_ALLOCA): Remove.
16659 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
16660 (life_analysis): Likewise.
16661 (update_life_info): Don't use CLEAN_ALLOCA.
16662 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
16663 (calculate_global_regs_live): Likewise.
16664 (print_rtl_with_bb): Likewise.
16665 (verify_flow_info): Likewise.
16666 * global.c (global_alloc): Likewise.
16667 (global_conflicts): Likewise.
16668 * integrate.c (save_for_inline_nocopy): Likewise.
16669 (expand_inline_function): Likewise.
16670 * jump.c (jump_optimize_1): Likewise.
16671 (duplicate_loop_exit_test): Likewise.
16672 (thread_jumps): Likewise.
16673 * loop.c (loop_optimize): Likewise.
16674 (combine_givs): Likewise.
16675 (recombine_givs): Likewise.
16676 * reorg.c (dbr_schedule): Likewise.
16677 * unroll.c (unroll_loop): Likewise.
16679 * combine.c (combine_instructions): Use xmalloc instead of alloca.
16681 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
16683 * toplev.c (rest_of_compilation): Don't optimize the CFG
16684 when rebuilding, just before dbr.
16686 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16688 * output.h (assemble_end_function, assemble_destructor,
16689 assemble_constructor, assemble_gc_entry, assemble_global,
16690 assemble_label, output_constant_pool) Constify a char*.
16692 * varasm.c (assemble_destructor, assemble_constructor,
16693 assemble_gc_entry, assemble_end_function, assemble_global,
16694 assemble_label, output_constant_pool): Likewise.
16696 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
16698 * config/arm/thumb.c (thumb_expand_prologue): Add comments
16699 explaining what is goin on in this function.
16701 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16703 * regclass.c (record_reg_classes): In matching case, recompute
16704 costs since the direction of movement is different.
16706 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16708 * resource.c (mark_target_live_regs): For unconditional branches,
16709 the resources found at the branch target should be added to the
16710 resources found so far, not intersected.
16712 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
16714 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
16716 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
16717 (sys/mman.h): Include this file only if #HAVE_MMAP.
16718 (run_compiles): Initialize `esac_fmt' with one old KR string, not
16719 with automatically concatenated ANSI strings.
16721 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
16723 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
16724 (DIV_ROUND_UP): Robustify.
16725 (ggc_recalculate_in_use_p): New function.
16726 (release_pages): Don't inline it.
16727 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
16729 (ggc_pop_context): Use ggc_recalculate_in_use_p.
16730 (clear_marks): Always save in_use_p.
16731 (sweep_pages): Use ggc_recalculate_in_use_p.
16732 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
16733 Release pages before counting statistics.
16735 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
16737 * toplev.c (rest_of_compilation): Fix thinko in this change:
16739 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
16741 (rest_of_compilation): If inside an inlined external function,
16742 pretend we are just being declared.
16744 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
16746 * flow.c (calculate_global_regs_live): Fix thinko.
16748 * integrate.c (expand_inline_function): Fix bugs in previous
16749 change from Oct 28, 1999.
16751 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
16753 * stmt.c (expand_value_return): Fix typo in this change:
16755 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16756 (expand_value_return): Correctly convert VAL when promoting function
16757 return; support RETURN_REG being a PARALLEL.
16759 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
16761 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
16763 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16765 * hard-reg-set.h (reg_names): Constify a char*.
16767 * regclass.c (reg_names): Likewise.
16769 * regs.h (reg_names): Likewise
16771 * a29k/a29k.c (reg_names): Delete declaration.
16773 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
16775 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
16776 arc_output_function_epilogue): Likewise.
16778 * elxsi/elxsi.c (reg_names): Likewise.
16780 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
16782 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
16785 * m88k/m88k.c (output_function_profiler): Likewise.
16787 * sparc/sparc.c (sparc_flat_output_function_prologue,
16788 sparc_flat_output_function_epilogue): Likewise.
16790 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
16792 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
16793 warning from -Wuninitialized and put it under -W.
16794 * function.c (uninitialized_vars_warning): Warn only when the
16795 corresponding flag is set.
16797 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
16799 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
16800 is nonzero and the single set does not have an elt, then assign
16803 * simplify-rtx.c: New file.
16804 * Makefile.in (OBJS): Add simplify-rtx.o
16805 (simplify-rtx.o): Add dependencies.
16806 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
16807 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
16808 (cse_gen_binary, simplify_unary_operation): Delete.
16809 (simplify_binary_operation, simplify_plus_minus): Likewise.
16810 (check_fold_consts, simplify_relation_operation): Likewise.
16811 (simplify_ternary_operation): Likewise.
16812 (delete_trivially_dead_insns): Simplify the contents of the
16813 REG_EQUAL note before trying to substitute it into the source
16814 of the reg-reg copy at the end of a libcall sequence.
16816 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
16817 references/callers changed.
16819 * mn10200.c (mn10200_va_arg): Force the return value into a
16822 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
16824 * cccp.c (macroexpand): Avoid out of range accesses for omitted
16827 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
16829 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
16831 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
16833 * fold-const.c (fold): Fix thinko when optimizing comparisons
16836 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
16838 * gcc.texi (Passes): Update front-end files to their current
16841 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
16843 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
16844 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
16845 (PREDICATE_CODES): Add addition_operation.
16846 * alpha-protos.h (addition_operation): Declare.
16847 (secondary_reload_class): Likewise.
16848 * alpha.c (addition_operation): New.
16849 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
16850 * alpha.md (adddi3): Turn into expander.
16851 (*lda, *adddi_2): New.
16852 (movsf, movdf patterns): Don't preference integer regs.
16853 (movsi, movdi patterns): Don't preference fp regs.
16855 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
16857 * genrecog.c (write_switch): Check for duplicate CODE cases.
16859 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
16861 * ggc-common.c: Update pre-function commentary.
16862 * ggc-page.c: Likewise.
16864 (poison_pages): Use memset directly.
16865 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
16866 (ggc_collect): Poison before sweeping.
16867 * ggc-simple.c: Update pre-function commentary.
16868 (ggc_alloc_obj): Poison non-zeroed memory.
16870 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
16872 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
16873 match format string, even on 64-bit hosts.
16874 * gcc-page.c (ggc_page_print_statistics): Likewise.
16876 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
16878 * config/i386/i386.c (ix86_cpu): Revert last patch.
16879 * config/i386/i386.h (ix86_cpu): Ditto.
16881 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
16883 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
16884 TYPE_SIZE, convert type of result to sizetype.
16886 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
16888 * flow.c (count_or_remove_death_notes): Equate NULL with the
16891 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
16892 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
16895 * i386.c (pic_label_no): Delete.
16896 (ix86_attr_length_default): Don't use single_set to peek
16899 * recog.c (peephole2_optimize): Allow recog_next_insn to index
16900 the first insn after bb->end.
16901 * i386.md (push mem peeps): Scratch is live after evaluation
16903 (cmp mem peep): Similarly.
16905 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
16907 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
16908 * function.c (pad_to_arg_alignment): Add missing braces.
16910 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16912 * alpha/alpha-protos.h (literal_section): Add prototype.
16913 (alpha_need_linkage, alpha_start_function,alpha_end_function):
16916 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
16918 (alpha_start_function, alpha_end_function, float_strings,
16919 alpha_need_linkage): Constify a char*
16921 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
16923 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
16925 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
16927 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
16929 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16931 * flow.c (debug_flow_info): Add prototype.
16933 * gcc.c (main): Likewise.
16935 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
16938 * reload1.c (failed_reload, set_reload_reg): Likewise.
16940 * mips-tfile.c (main): Likewise.
16941 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
16942 with ATTRIBUTE_NORETURN.
16944 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
16946 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
16947 DECL is not a memory ref.
16949 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
16951 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
16952 * config/i386/i386.c (ix86_cpu): Add extern attribute.
16954 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
16956 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
16957 * config/mips/elf64.h: ditto.
16959 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
16961 * expr.c (emit_push_insn): New argument alignment_pad.
16962 Update all callers. Adjust stack pointer based on alignment pad.
16963 * function.c (pad_to_arg_alignment): New argument alignment_pad.
16964 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
16965 (locate_and_pad_parm): New argument alignment_pad. Update all
16967 * expr.h (emit_push_insn): Update prototype.
16968 (locate_and_pad_parm): Update prototype.
16969 * calls.c (arg_data): Add new field alignment_pad.
16970 (initialize_argument_information): Initialize alignment_pad.
16972 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
16974 * except.c (free_eh_nesting_info): Free the info itself.
16975 * function.c (free_after_compilation): Don't free NULL.
16976 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
16977 (pre_edge_insert): Free inserted.
16978 * stmt.c (free_stmt_status): Don't free NULL.
16980 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
16982 * gcov.c (DIR_SEPARATOR): Provide default.
16983 (output_data): Add test for MS-DOS format absolute filename.
16984 (fancy_abort): Correct program name.
16985 (open_files): Open all files in binary mode.
16986 * libgcc2.c (__bb_exit_func): Likewise.
16988 * profile.c (init_branch_prob): Specify binary when opening files.
16990 * flags.h (flag_unwind_tables): New decl.
16991 * toplev.c (flag_unwind_table): New definition.
16992 (f_options): Add -funwind-tables.
16993 (decode_g_option): Clarify warning when unknown -g option is given.
16994 (rest_of_compilation): If inside an inlined external function,
16995 pretend we are just being declared.
16997 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
16998 (dwarf2out_frame_finish): Likewise.
17000 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
17002 * fold-const.c (merge_ranges): If not in0, but in1, handle
17003 upper bounds equal like subset case.
17005 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
17007 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
17008 passed in a register but moved to the stack.
17010 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
17012 * gcc.c (pass_exit_codes, greatest_status): New variables.
17013 (struct option_map): Add entry for "--pass-exit-codes".
17014 (execute): Update greatest_status if error.
17015 (display_help): Add documentation for -pass-exit-codes.
17016 (process_command): Handle -pass-exit-codes.
17017 (main): Look at pass_exit_codes and greatest_status on call to exit.
17019 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17021 * reload.c (find_reloads): Refine test for no input reload
17022 case to not includes reloads emitted after insn.
17024 * function.c (find_temp_slots_from_address): Handle sum involving
17025 a register that points to a temp slot.
17026 (update_temp_slot_address): Make recursive call if both old and
17027 new are PLUS with a common operand.
17028 * calls.c (expand_call): Mark temp slot for result as having
17031 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
17033 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
17034 component as well as "BINUTILS".
17036 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
17037 * integrate.c (copy_rtx_and_substitute): Likewise.
17038 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
17039 All callers changed.
17040 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
17042 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
17043 gdb extensions, write size of type; also be more consistent
17044 in using references when this is a subtype.
17046 * pa.md (extv, extzv, insv): Use define_expand to reject constant
17047 that is out of range.
17049 * loop.c (unknown_constant_address_altered): New variable.
17050 (prescan_loop): Initialize it.
17051 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
17052 (invariant_p, case MEM): Remove handling for volatile and readonly;
17053 check new variable if readonly.
17054 (check_dbra_loop): Chdeck unknown_constant_address_altered.
17056 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
17057 (addr_affects_sp_p): Removed from note_mem_written and only
17058 define #ifdef AUTO_INC_DEC.
17060 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
17062 * regclass.c (record_reg_classes): Properly handle register move
17065 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
17066 Don't think valid if both operands are invalid.
17067 (struct constant_descriptor): New field RTL.
17068 (mark_const_hash_entry): Mark it.
17069 (record_constant{,_rtx}): Initialize it.
17070 (output_constant_def): Allocate RTL in permanent obstack and
17072 ({record,compare}_constant_1): Modes must match for
17073 CONSTRUCTOR of ARRAY_TYPE.
17075 * c-common.h (initializer_constant_valid_p): Delete decl from here.
17076 * output.h (initializer_constant_valid_p): Move decl to here.
17077 * c-common.c (initializer_constant_valid_p): Delete function from here.
17078 * varasm.c (initializer_constant_valid_p): Move function to here.
17080 * tree.h (STRIP_SIGN_NOPS): New macro.
17081 * fold-const.c (optimize_minmax_comparison): New function.
17082 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
17083 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
17084 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
17085 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
17086 widening conversions.
17087 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
17088 to look at size of mode, not precision of type; also add missing cases.
17089 (optimize_bit_field_compare, decode_field_reference): Don't try to
17090 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
17092 * dwarf2out.c (ctype.h): Include.
17093 (dwarf2out_set_demangle_name_func): New function.
17094 (size_of_line_info): Deleted.
17095 (output_line_info): Compute size of line info table from difference
17097 (base_type_die, add_name_attribute): Call demangle function, if any.
17098 (field_byte_offset): Use bits per word for variable length fields.
17099 (gen_array_type_die): Add array name.
17100 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
17101 (dwarf2out_add_library_unit_info): New function.
17103 * explow.c (set_stack_check_libfunc): New function.
17104 (stack_check_libfunc): New static variable.
17105 (probe_stack_range): Allow front-end to set up a libfunc to call.
17107 * combine.c (simplify_comparison): When making comparison in wider
17108 mode, check for having commuted an AND and a SUBREG.
17109 (contains_muldiv): New function.
17110 (try_combine): Call it when dividing a PARALLEL.
17111 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
17112 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
17114 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
17115 use one of the CLOBBERs instead.
17116 (if_then_else_cond): If comparing against zero, just return thing
17119 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
17120 Don't generate shifts and subtract if have conditional arithmetic.
17122 * rtl.h (delete_barrier): New declaration.
17123 * jump.c (jump_optimize): Set up to handle conditional call.
17124 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
17125 (delete_barrier): New function.
17127 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
17129 * recog.c (nonmemory_operand): Accept ADDRESSOF.
17131 * tree.c (build_type_attribute_variant): Push to obstack of
17132 ttype around type_hash_canon call.
17134 * expr.c (placeholder_list): Move decl to file scope.
17135 (expand_expr): Don't force access to volatile just because its
17137 If ignoring reference operations, just expand the operands.
17138 (expand_expr, case COMPONENT_REF): Propagate
17139 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
17140 Refine test for using bitfield operations vs pointer punning.
17141 (expand_expr, case CONVERT_EXPR): If converting to
17142 BLKmode UNION_TYPE from BLKmode, just return inner object.
17143 Use proper mode in store_field call.
17144 Properly set sizes of object to store and total size in store_field
17145 call for convert to union.
17146 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
17147 memory (like for ADDR_EXPR). Also, don't put constant in register if
17148 we'll want it in memory.
17149 (readonly_fields_p): New function.
17150 (expand_expr, case INDIRECT_REF): Call it if LHS.
17151 (expand_assignment): Handle a RESULT_DECL where
17152 DECL_RTL is a PARALLEL.
17153 (do_jump, case WITH_RECORD_EXPR): New case.
17154 (get_inner_reference): Always go inside a CONVERT_EXPR
17155 and NOP_EXPR if both modes are the same.
17156 (store_field): Use bitfield operations if size of bitsize is not same
17157 as size of RHS's type.
17158 Check for bitpos not a multiple of alignment in BLKmode case.
17159 Do block move in largest possible alignment.
17160 (store_constructor): Set BITSIZE to -1 for variable size and properly
17161 in case of array of BLKmode.
17162 (expand_expr_unaligned): New function.
17163 (do_compare_and_jump): Call it.
17165 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
17166 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
17167 does not include 'o'.
17169 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
17170 both SET_DEST and SET_SRC reference a virtual register.
17171 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
17173 * integrate.c (expand_inline_function): Handle case of setting
17174 virtual stack vars register (from built in setjmp); when parameter
17175 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
17176 (subst_constant): Add new parm, MEMONLY.
17177 (expand_inline_function, integrate_parm_decls): Pass new parm.
17178 (integrate_decl_tree): Likewise.
17179 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
17180 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
17181 (copy_rtx_and_substitute, case SET): Add explicit calls to
17182 copy_rtx_and_substitute for both sides.
17184 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
17186 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
17187 within INDEX_TYPE, instead of before.
17188 (fixup_gotos): Use f->target_rtl, not the next insn,
17189 since latter may be from a later fixup.
17190 (expand_value_return): Correctly convert VAL when promoting function
17191 return; support RETURN_REG being a PARALLEL.
17192 (expand_return): When checking for result in regs and having
17193 cleanup, consider PARALLEL in DECL_RTL as being in regs.
17195 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
17197 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
17198 last_nominal_fname): Mark const.
17199 (struct include_hash: name, nshort, control_macro): Mark
17201 (struct macrodef: symnam): Mark const.
17202 (struct if_stack: fname): Mark const.
17203 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
17204 (IStable): New character-syntax array which encompasses all
17205 the old is_foo arrays.
17206 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
17207 is_space): New macros for interrogating IStable.
17208 (check_macro_name): Kill last argument. All callers changed.
17210 * cppinit.c (initialize_char_syntax): Delete.
17211 (is_idchar, is_idstart, is_hor_space, is_space,
17212 trigraph_table): Delete.
17213 (IStable): New. Initialize with clever macros to avoid
17214 information duplication.
17215 (builtin_array): Table of builtins to get rid of explicit list
17216 in initialize_builtins.
17217 (initialize_builtins): Use builtins_array.
17218 (cpp_start_read): Call init_IStable, and set IStable['$'] if
17219 opts->dollars_in_ident.
17221 * cppexp.c: Change all refs to is_xyz[] arrays to use new
17223 (cpp_parse_expr): Avoid 'format string is not constant'
17224 warning. Use ISGRAPH to identify printable chars.
17225 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
17227 (read_and_prescan): Map trigraphs to chars with open-coded
17228 if-else-if-... sequence, not a lookup table.
17229 * cpphash.c: Change all refs to is_xyz[] arrays to use new
17231 * cpplib.c: Change all refs to is_xyz[] arrays to use new
17232 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
17233 (check_macro_name): Remove ability to report an invalid
17234 assertion name, which is never used.
17235 (do_line): Constify a couple of char *'s.
17236 * cppmain.c (main): Call cpp_cleanup before returning.
17238 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
17240 * ggc.h (struct ggc_statistics): New type.
17241 (ggc_get_size): New function.
17242 (ggc_print_statistics): Likewise.
17243 * ggc-common.c (ggc_stats): New variable.
17244 (ggc_mark_rtx_children): Keep statistics.
17245 (ggc_mark_tree_children): Likewise.
17246 (ggc_print_statistics): New function.
17247 * ggc-page.c (struct globals): Add bytes_mapped field.
17248 (alloc_anon): Update it.
17249 (release_pages): Likewise.
17250 (ggc_get_size): New function.
17251 (ggc_page_print_statistics): New function.
17252 * ggc-simple.c (ggc_get_size): New function.
17254 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
17256 * flow.c (propagate_block): When the last reference to a label
17257 before an ADDR_VEC is deleted because the reference is a dead
17258 store, delete the ADDR_VEC.
17260 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
17262 * resource.c (find_free_register): Don't use the frame pointer
17263 if frame_pointer_needed.
17265 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
17267 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
17268 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
17270 * config/i960/i960.c (i960_va_start): New locals base, num.
17271 Use INDIRECT_REF instead of ARRAY_REF on valist.
17272 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
17274 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
17276 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
17278 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
17280 * tree.def (PLACEHOLDER_EXPR): Update comments.
17282 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17284 * c-common.c (check_format_info): Avoid non-literal format string
17285 warnings when `first_arg_num' is zero.
17287 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17289 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
17291 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
17293 * arm.md (casesi_insn): Add a clobber of the condition code
17296 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
17298 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
17299 used by both cc1 and cc1plus.
17301 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
17303 * config/arm/arm.c: Initialise arm_structure_size_boundary to
17304 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
17305 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
17306 to the value 32 if it has not already been defined.
17307 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
17308 Override definition in arm.h with a value of 8.
17310 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
17312 * c-pragma.c (push_alignment): Don't check the return value
17315 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
17317 * sparc.h (ADJUST_COST): Fix thinko.
17319 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
17321 * cccp.c (rescan): Fixed obp pointer handling around call to
17322 check_expand subroutine.
17324 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
17326 * gcse.c (delete_null_pointer_checks): Only record non-null info
17327 for pseudos when examining stores.
17329 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
17330 splitters for these patterns. Use "#" for output templates.
17331 (addsi3_carryin_shift): New pattern.
17333 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
17335 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
17336 of the function return register into a plain REG until
17337 after function inlining is done.
17339 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
17341 * jump.c (jump_optimize_1): If we did cross-jumping, and
17342 the data will matter, rebuild the CFG.
17343 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
17344 not optimizing. Don't run shorten_branches.
17345 * toplev.c (rest_of_compilation): Run shorten_branches after
17348 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
17350 * rtl.h (note_stores): Add additional paramter.
17351 * rtlanal.c (reg_set_p_1): Take additional paramter.
17352 (reg_set_last_1): Likewise.
17353 (reg_set_p): Adjust call to note_stores.
17354 (reg_set_last): Likewise.
17355 (note_stores): Pass data parameter to worker function.
17356 * alias.c (record_set): Take additional parameter.
17357 (init_alias_analysis): Pass it.
17358 * caller-save.c (mark_set_regs): Take additional parameter.
17359 (save_call_clobbered_regs): Pass NULL to note_stores.
17360 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
17362 (record_dead_and_set_regs_1): Likewise.
17363 (reg_dead_at_p_1): Likewise.
17364 (combine_instructions): Adjust calls to note_stores.
17365 (try_combine): Likewise.
17366 (record_dead_insn): Remove.
17367 (record_dead_and_set_regs): Adjust calls to note_stores.
17368 (reg_dead_at_p): Likewise.
17369 * cse.c (invalidate_skipped_set): Take additional parameter.
17370 (cse_check_loop_start): Likewise.
17371 (cse_check_loop_start_value): Remove.
17372 (cse_set_around_loop): Adjust calls to note_stores.
17373 * flow.c (notice_stack_pointer_modification): Take additional
17374 parameter. Remove duplicate declaration.
17375 (record_volatile_insns): Adjust calls to note_stores.
17376 * gcse.c (record_set_info): Take additional parameter.
17377 (record_last_set_info): Likewise.
17378 (invalidate_nonnull_info): Likewise.
17379 (record_set_insn): Remove.
17380 (compute_sets): Adjust calls to note_stores.
17381 (last_set_insn): Remove.
17382 (compute_hash_table): Adjust calls to note_stores.
17383 (insert_insn_end_bb): Likewise.
17384 (delete_null_pointer_checks): Likewise.
17385 * global.c (mark_reg_store): Take additional parameter.
17386 (mark_reg_clobber): Likewise.
17387 (reg_becomes_live): Likewise.
17388 (global_conflicts): Adjust calls to note_stores.
17389 (build_insn_chain): Likewise.
17390 * integrate.c (note_modified_parmregs): Take additional parameter.
17391 (mark_stores): Likewise. Make it static.
17392 (save_for_inline_nocopy): Adjust calls to note_stores.
17393 (try_constants): Likewise.
17394 * integrate.h (mark_stores): Remove declaration.
17395 * jump.c (mark_modified_reg): Take additional parameter.
17396 (thread_jumps): Adjust calls to note_stores.
17397 * local-alloc.c (validate_equiv_mem_from_store): Take additional
17399 (no_equiv): Likewise.
17400 (reg_is_set): Likewise.
17401 (validate_equiv_mem): Adjust calls to note_stores.
17402 (update_equiv_regs): Likewise.
17403 (block_alloc): Likewise.
17404 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
17405 (note_addr_stored): Take additional parameter.
17406 (note_set_pseudo_multiple_uses): Likewise.
17407 (record_initial): Likewise.
17408 (prescan_loop): Adjust calls to note_stores.
17409 (strength_reduce): Likewise.
17410 (check_dbra_loop): Likewise.
17411 * regmove.c (flags_set_1): Take additional paramter.
17412 (mark_flags_life_zones): Adjust calls to note_stores.
17413 * reload1.c (mark_not_eliminable): Take additional parameter.
17414 (forget_old_reloads_1): Likewise.
17415 (reload_cse_invalidate_rtx): Likewise.
17416 (reload_cse_check_clobber): Likewise.
17417 (reload_combine_note_store): Likewise.
17418 (move2add_note_store): Likewise.
17419 (reload): Adjust calls to note_stores.
17420 (reload_as_needed): Likewise.
17421 (emit_reload_insns): Likewise.
17422 (reload_cse_regs_1): Likewise.
17423 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
17424 (reload_combine): Adjust calls to note_stores.
17425 * resource.c (update_live_status): Take additional paramter.
17426 (mark_target_live_regs): Adjust calls to note_stores.
17427 * stupid.c (find_clobbered_regs): Take additional parameter.
17428 (stupid_life_analysis): Adjust calls to note_stores.
17430 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
17432 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
17435 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
17438 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
17439 of the variable arm_structure_size_boundary.
17441 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
17443 * alias.c (init_alias_analysis): Allocate reg_known_value and
17444 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
17446 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
17447 * cse.c (cse_main): Call end_alias_analysis.
17448 * haifa-sched.c (schedule_insns): Likewise.
17449 * local-alloc. (update_equiv_regs): Likewise.
17450 * reload1.c (reload_cse_regs): Likewise.
17452 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17454 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
17455 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
17456 mapping from MASK_FPU.
17458 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
17460 * sparc.md (call): Don't bound structure return size to 0xfff.
17462 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
17464 * resource.c (mark_target_live_regs): Check that the target
17465 insn wasn't created after compute_bb_for_insn.
17467 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
17469 * ggc-page.c (poison_pages): Don't be overzealous.
17471 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
17473 * alias.c: Update comments for ADDRESS.
17474 (nonlocal_reference_p): Look inside the ADDRESS to determine if
17475 it is a local memory reference.
17477 * c-typeck.c (build_function_call): Check that the built-in
17478 function is of class BUILT_IN_NORMAL before trying to recongize
17479 it as BUILT_IN_ABS.
17480 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
17481 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
17483 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
17485 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
17487 (pre_gcse): Likewise.
17488 (hoist_expr_reaches_here_p): Likewise.
17489 (hoist_code): Likewise.
17490 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
17492 (pre_expr_reaches_here_p_work): ... here.
17493 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
17495 (expr_reaches_here_p_work): ... here.
17497 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
17499 * resource.c (find_basic_block): Delete.
17500 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
17501 (init_resource_info): Call compute_bb_for_insn.
17503 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
17505 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
17506 with already adjacent blocks, but no fallthru.
17507 (merge_blocks_move_successor_nojumps): Simplify.
17508 (debug_flow_info): New.
17510 * toplev.c (rest_of_compilation): Open jump1 dump file before
17511 jump and close after, as opposed to just using dump_rtl.
17513 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17515 * reload.h (earlyclobber_operand_p): Declare.
17516 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
17517 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17518 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
17519 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
17521 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
17522 Richard Henderson <rth@cygnus.com>
17524 * emit-rtl.c (emit_block_insn_before): New.
17525 (emit_block_insn_after): New.
17526 * basic-block.h: Declare them.
17528 * bitmap.h: Protect from multiple inclusion.
17530 * recog.c (scratch_operand): Handle VOIDmode correctly.
17532 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
17534 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
17535 * function.c (assign_parms): Likewise.
17536 * global.c (global_conflicts): Clarify STACK_REGS commentary.
17538 * reg-stack.c (max_uid): Remove.
17539 (blocks, block_begin, block_end, block_drops_in): Remove.
17540 (block_stack_in, block_out_reg_set, block_number): Remove.
17541 (struct block_info_def, BLOCK_INFO): New.
17542 (enum emit_where): New.
17543 (current_block): New.
17544 (BLOCK_NUM): Remove.
17545 (mark_regs_pat, record_label_references): Remove.
17546 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
17548 (goto_block_pat, print_blocks, dump_stack_info): Remove.
17549 (reg_to_stack): Simplified test for existance of fp code. Use
17550 flow.c code. Call shorten_branches after cross-jump opt.
17551 (check_asm_stack_operands): Renamed from record_asm_reg_life.
17552 Return false if the asm doesn't use stack regs. Don't do life
17553 analysis on the asm.
17554 (emit_pop_insn): Replace function pointer arg `when' with
17555 enum `where'. Update all callers.
17556 (change_stack): Likewise. Update basic block end.
17557 (emit_swap_insn): Use current_block->head to limit reverse search
17558 for start of block. Use emit_block_insn_after.
17559 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
17560 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
17561 structure assignment instead of bcopy.
17562 (print_stack): New.
17563 (convert_regs_entry, convert_regs_exit): New.
17564 (convert_regs_1, convert_regs_2): Split out from convert_regs.
17565 Work on basic blocks and the CFG.
17566 (convert_regs): Use them.
17568 * i386.c (output_fix_trunc): Remove code for DImode input operand
17569 not at top-of-stack.
17570 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
17572 (fix_truncdi_1): Allow any mode scratch.
17574 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
17576 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
17577 * linux.h, netbsd.h, vms.h: Not here.
17579 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
17581 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
17582 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
17583 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
17584 CONDITIONAL_REGISTER_USEAGE): Use them.
17585 * config/mips/mips.c (mips_move_1word,mips_move_2words,
17586 gen_conditional_branch,override_options) : Use them.
17587 * config/mips/mips.md : Use them.
17589 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
17591 * i386.md (zero_extendqihi2): Use SImode register name with andl.
17593 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
17595 * integrate.c (function_cannot_inline_p): Don't allow inlining
17598 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17600 * c-parse.in (cast_expr): Constify.
17602 * cccp.c (special_symbol): Likewise.
17604 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
17606 * dwarf2out.c (base_type_die): Likewise.
17608 * global.c (allocno_compare): Likewise.
17610 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
17612 * regclass.c (fix_register): Likewise.
17614 * rtl.h (fix_register): Likewise.
17616 * stupid.c (stupid_reg_compare): Likewise.
17618 * toplev.c (decode_f_option): Likewise.
17620 * tree.c (build_complex_type): Likewise.
17622 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
17624 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
17626 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17628 * reload.c (find_reloads): Compute mode and nregs fields of all
17630 * reload1.c (calculate_needs_all_insns): Simplify a bit.
17631 (calculate_needs): Use precomputed mode/nregs values.
17632 (allocate_reload_reg): Likewise.
17634 (failed_reload, set_reload_reg): ... new functions.
17635 (choose_reload_regs_init): New function, mostly broken out from...
17636 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
17637 Also lose one #if 0 block.
17639 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
17641 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
17644 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
17646 * tree.h (BLOCK_TYPE_TAGS): Remove.
17647 (BLOCK_END_NOTE): Likewise.
17648 (BLOCK_LIVE_RANGE_FLAG): Likewise.
17649 (BLOCK_LIVE_RANGE_START): Likewise.
17650 (BLOCK_LIVE_RANGE_END): Likewise.
17651 (tree_block): Remove live_range_flag, live_range_var_flag, and
17652 type_tags. Remove end_note, live_range_start, and live_range_end.
17653 (remember_end_note): Remove prototype.
17654 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
17655 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
17657 * ggc-common.c (ggc_mark_tree_children): Don't mark
17658 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
17659 * integrate.c (adjust_copied_decl_tree): Remove.
17660 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
17661 * stmt.c (last_block_end_note): Remove.
17662 (init_stmt): Don't add a GC root for it.
17663 (expand_fixup): Don't set it.
17664 (remember_end_note): Remove.
17665 (expand_end_bindings): Don't set last_block_end_note.
17667 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17669 * reload1.c (reload_reg_free_for_value_p): Show
17670 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
17673 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
17675 * expmed.c (extract_bit_field): Allow for the case of non-integer
17676 objects that are smaller than a word (like SFmode on a 64-bit
17679 * loop.c (basic_induction_var): A non-integer variable which is
17680 being set by a paradoxical subreg is probably not a biv.
17682 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
17684 * prefix.c (translate_name) Check for empty prefix string.
17686 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
17688 * Makefile.in (CPP_CROSS_NAME): New variable.
17689 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
17691 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
17692 names of the files to be uninstalled.
17694 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
17696 * collect2.c (IS_DIR_SEPARATOR): Define.
17697 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
17699 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
17702 * haifa-sched.c (add_dependence): Update the true dependency
17703 cache the first time we add a true dependence to the LOG_LINKS chain.
17705 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
17707 * fold-const.c (fold): Fix comment.
17709 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17711 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
17712 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
17713 dbxout_start_new_source_file, dbxout_source_file,
17714 dbxout_source_line, dbxout_finish, dbxout_type_fields,
17715 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
17717 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
17718 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
17719 (dbxout_block): Initialize variable `blocknum'.
17721 * dbxout.h (dbxout_init, dbxout_finish,
17722 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
17723 dbxout_args, dbxout_source_line): Constify a char*.
17725 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
17726 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
17727 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
17728 low_pc_attribute, high_pc_attribute, body_begin_attribute,
17729 body_end_attribute, comp_dir_attribute, sf_names_attribute,
17730 src_info_attribute, mac_info_attribute, producer_attribute,
17731 lookup_filename, generate_macinfo_entry, fundamental_type_code,
17732 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
17733 dwarfout_undef): Constify a char*.
17734 (add_incomplete_type, retry_incomplete_types): Add prototypes.
17736 * dwarfout.h (dwarfout_define, dwarfout_undef,
17737 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
17739 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
17741 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
17742 (MULTILIB_ISA_DEFAULT): New.
17743 (MULTILIB_DEFAULTS): Use it.
17744 * config/mips/mips.c (): Remove the now unnecessary definition
17745 of MIPS_ISA_DEFAULT.
17746 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
17747 unnecessary definition.
17749 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
17751 * arm.md (pic_load_addr): Add constraints to operand 1.
17753 1999-10-25 Bruce Korb <autogen@linuxbox.com>
17755 * fixinc/genfixes: Provide a means for specifying -D options to
17758 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
17760 * arm.c (arm_override_options): Correct initialization of
17761 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
17762 arm_is_strong, and arm_is_6_or_7.
17764 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
17765 (note_set_pseudo_multiple_uses): New function.
17766 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
17767 if a pseudo set in the loop exit is used elsewhere.
17769 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
17771 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
17773 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
17775 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
17776 a single load-address pattern.
17778 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
17780 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
17781 depending on whether or not line-number notes are present.
17783 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17785 * cccp.c (progname, file_buf, default_include, include_file,
17786 macrodef, definition, hashval, wchar_type, user_label_prefix,
17787 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
17788 expand_to_temp_buffer, is_system_include, base_name,
17789 absolute_filename, read_name_map, open_include_file,
17790 record_control_macro, check_precompiled, check_preconditions,
17791 pcfinclude, pass_thru_directive, create_definition,
17792 check_macro_name, comp_def_part, collect_expansion,
17793 check_assertion, read_token_list, assertion_install,
17794 assertion_lookup, eval_if_expression, conditional_skip,
17795 validate_else, skip_quoted_string, quote_string, macarg1,
17796 error_from_errno, install, lookup, hashf, dump_defn_1,
17797 perror_with_name, pfatal_with_name, main, trigraph_pcp,
17798 check_white_space, rescan, handle_directive, monthnames,
17799 special_symbol, do_include, remap_include_file, write_output,
17800 arglist, do_assert, do_unassert, do_line, do_error, do_once,
17801 do_ident, do_sccs, do_xifdef, skip_if_group,
17802 output_line_directive, macroexpand, macarg, change_newlines,
17803 initialize_builtins, make_definition): Constify a char*.
17805 * pcp.h (stringdef): Likewise.
17807 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
17809 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
17812 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
17813 Richard Henderson <rth@cygnus.com>
17815 * alias.c: Include ggc.h.
17816 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
17817 (record_set): Verify enough room in reg_base_value.
17818 (init_alias_analysis): Allocate reg_base_value with xcalloc.
17819 Register it as a GC root.
17820 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
17821 * Makefile.in (alias.o): Depend on ggc.h.
17823 * unroll.c (unroll_loop): Verify the insn before a barrier
17824 is a JUMP_INSN before checking JUMP_LABEL.
17826 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17828 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
17829 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
17830 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
17831 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
17832 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
17833 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
17835 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17837 * output.h (ctors_section, dtors_section, bss_section): Prototype.
17839 * alpha/alpha-interix.h (text_section): Delete prototype.
17840 * alpha/elf.h (text_section): Likewise.
17841 * arm/linux-elf.h (text_section): Likewise.
17842 * arm/linux-telf.h (text_section): Likewise.
17843 * c4x/c4x.h (text_section): Likewise.
17844 * dsp16xx/dsp16xx.h (bss_section): Likewise.
17845 * elfos.h (text_section): Likewise.
17846 * i386/aix386ng.h (text_section): Likewise.
17847 * i386/i386-interix.h (text_section): Likewise.
17848 * i386/sco5.h (text_section): Likewise.
17849 * i386/svr3gas.h (text_section): Likewise.
17850 * nextstep.h (text_section): Likewise.
17851 * psos.h (text_section): Likewise.
17852 * ptx4.h (text_section): Likewise.
17853 * svr3.h (text_section): Likewise.
17854 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
17856 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17858 * final.c (peephole): Delete prototype.
17860 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
17861 (pre_insert_copies): Remove unused variable `bb'.
17863 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
17866 * output.h (peephole): Add prototype.
17868 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
17870 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
17873 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
17875 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
17876 for inlined declarations.
17878 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
17880 * arm.c (logical_binary_operator): New fucntion.
17881 * arm.h (logical_binary_operator): Declare it.
17882 (PREDICATE_CODES): Handle logical_binary_operator.
17883 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
17884 output constraints. Add appropriate splitters.
17885 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
17886 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
17887 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
17889 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17891 * genoutput.c (struct operand_data): New elt eliminable.
17892 (output_operand_data): Write it.
17893 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
17894 (compare_operands): Take it into account.
17895 * recog.h (struct insn_operand_data): New elt eliminable.
17896 * reload1.c (check_eliminable_occurrences, elimination_effects): New
17898 (old_asm_operands_vec, new_asm_operands_vec): Delete.
17899 (eliminate_regs): Move code that detects changes to elimination
17900 target regs into new function elimination_effects.
17901 Delete one #if 0 block.
17902 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
17903 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
17904 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
17905 Only call eliminate_regs for real operands of the insn, not for parts
17906 of its structure or parts matched by things like match_operator.
17907 Use elimination_effects and check_eliminable_occurrences. Use
17908 copy_insn to duplicate the pattern when not in the final pass.
17910 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
17912 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
17915 1999-10-22 Bruce Korb <autogen@linuxbox.com>
17917 * fixinc/README: document the "mach" machine matching test
17918 * fixinc/fixfixes.c: Implement the #else/#endif label fix
17919 * fixinc/fixtests.c: Implement the #else/#endif label test
17920 * fixinc/inclhack.def: utilize these tests and fixes
17921 * fixinc/inclhack.sh: regen
17922 * fixinc/fixincl.x: regen
17923 * fixinc/fixincl.sh: regen
17925 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
17927 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
17930 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
17932 * gcc.1: Document exit codes.
17934 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17936 * calls.c: Include tm_p.h later, so everything we need is defined.
17937 * expr.c: Likewise.
17938 * function.c: Likewise.
17940 * except.c: Include tm_p.h.
17942 * sparc.c: Likewise.
17943 (dwarf2out_cfi_label): Don't prototype.
17944 (check_return_regs, epilogue_renumber,
17945 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
17946 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
17947 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
17948 ultra_schedule_insn): Add static prototype.
17949 (data_segment_operand, text_segment_operand): Call itself with the
17950 proper number of arguments.
17951 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
17953 * sparc.h: Move all declarations to sparc-protos.h.
17954 (SELECT_RTX_SECTION): Pass a missing MODE argument to
17957 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
17959 * config/svr4.h (text_section, ctors_section, dtors_section): Add
17961 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
17962 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
17963 ASM_OUTPUT_ASCII): Constify a char*.
17965 * sparc-protos.h: New file for sparc prototypes.
17967 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17969 * function.c (record_insns, contains): Always declare and define.
17970 (record_insns): Mark with ATTRIBUTE_UNUSED.
17972 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17974 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
17975 to .section when outputting a .bss section to deal with multiple
17976 .bss input sections (as happens with -fdata-sections)
17977 Also output %progbits, not @progbits so the assembler doesn't treat as
17979 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
17981 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
17982 thumb parts even when building with non-thumb CPUs, by forcing
17985 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
17987 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
17988 (movdf_const_intreg_sp64): Similarly.
17990 * local-alloc.c (update_equiv_regs): Check the correct insn
17991 for pre-existing REG_EQUIV notes.
17993 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
17995 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
17996 block reached by a branch if we're not going to actually process
17999 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
18001 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
18002 a local extern function declaration.
18004 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
18006 * i386.c (ix86_expand_prologue): Properly wrap USE around
18007 reg for CALL_INSN_FUNCTION_USAGE.
18009 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
18011 * config/mips/mips.md (movdf_internal1a): Allow floating-point
18012 move between GP_REGs.
18014 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
18016 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
18017 the mode size when finding out if an offset is legal.
18019 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
18021 * basic-block.h (PROP_*): Move constants from ...
18022 * flow.c: ... here.
18023 (compute_bb_for_insn): Free the array before reallocating.
18024 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
18025 (allocate_reg_life_data): Reset all reg variables collected by
18027 (get_block_head_tail): Don't convert from bb to block.
18028 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
18029 (find_insn_reg_weight): Take block not bb.
18030 (schedule_block): Don't set block num for moved insns.
18031 (schedule_region): Don't update_life_info or find_insn_reg_weight.
18032 (schedule_insns): Do it here instead.
18033 * combine.c (combine_instructions): Invoke compute_bb_for_insn
18034 before update_life_info.
18035 * recog.c (split_all_insns, peephole2_optimize): Update for
18036 new arg to update_life_info.
18037 * rtlanal.c (remove_note): Cope with NULL note.
18038 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
18041 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
18043 * jump.c (jump_optimize_1): More accurately detect casesi insns.
18045 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
18046 block records so that merge_blocks_nomove will clean up correctly.
18047 (split_edge): Handle casesi insns.
18049 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
18051 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
18053 * pa.md (call, call_value): Do not emit a blockage after restoring
18056 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
18058 * c-typeck.c (c_expand_asm_operands): Fix typo.
18060 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18062 * arm.c (fpu_rhs_operand): Verify modes.
18063 (fpu_add_operand): Likewise.
18064 (di_operand): Likewise.
18065 (soft_df_operand): Likewise.
18067 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
18069 * arm.c (arm_return_in_memory): APCS rules state that the elements
18070 of a structure returned in a register must be 'integer-like'.
18072 1999-10-19 Bruce Korb <autogen@linuxbox.com>
18074 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
18075 in the source tree when the generated targets are out of date
18076 * fixinc/genfixes: Alter it to run individual fixes for make.
18077 * fixinc/README: rewrite
18078 * fixinc/inclhack.def: moved initial comments to README
18080 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
18082 * toplev.c (main): Do not generate an error message if an
18083 unrecognised command line switch is recognisable by another
18084 language. If extra_warnings are enabled, then generate a
18085 warning message instead.
18087 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
18089 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
18090 (insert_pack_attributes): Delete prototype.
18092 * c-pragma.c (default_alignment): New static variable.
18093 (push_alignment): Initialize to current effective alignment.
18094 (pop_alignment): Use to set new alignment.
18095 (insert_pack_attributes): Delete function.
18096 (handle_pragma_token): Set default_alignment as well each time
18097 a #pragma pack(<n>) is encountered.
18099 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
18101 * reg-stack.c (stack_result): Aggregates are not returned in
18104 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18106 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
18108 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
18110 * basic-block.h (set_block_num): Declare.
18111 * flow.c (update_life_info): Don't call compute_bb_for_insn
18112 or free_basic_block_vars.
18113 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
18114 (insn_orig_block): Remove.
18115 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
18116 (schedule_block): Keep BLOCK_NUM up-to-date.
18117 (schedule_insns): Use compute_bb_for_insn.
18118 * recog.c (split_all_insns): Likewise.
18119 (peephole2_optimize): Likewise.
18121 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
18123 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
18124 if the pic register is used.
18126 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18128 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
18129 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
18130 if that tests TREE_PERMANENT.
18132 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
18134 * cse.c (invalidate_for_call): Do not remove memory references from
18135 the table here. It's handled elsewhere.
18137 * haifa-sched.c (add_dependence): Protect references to the
18138 true dependency cache with #ifdef INSN_SCHEDULING.
18139 (remove_dependence): Similarly.
18141 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
18142 to the cfg code that this is a return instruction.
18143 * mn10300.md (return_internal): Similarly.
18145 * combine.c (get_last_value): If the last set of a register
18146 is after subst_low_cuid, then we can not use it to determine
18147 the register's last value.
18149 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
18151 * Makefile.in: Back out previous change.
18153 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
18155 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
18157 * haifa-sched.c (add_dependence): Only check/update the cache
18159 (remove_dependence): Likewise.
18160 (schedule_insns): Only create the true_dependency_cache if the
18161 average number of instructions in a basic block is very large.
18163 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
18165 * Makefile.in (ggc-common.o): Depend on genrtl.h.
18166 (ggc-simple.o): Likewise.
18167 (ggc-page.o): Likewise.
18169 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
18171 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
18172 Prototype for exported functions.
18173 (pre_lcm, pre_rev_lcm): Remove prototypes.
18174 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
18175 (compute_available): Move to lcm.c, and change parameter order.
18176 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
18177 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
18178 (gcse_main): No longer call compute_preds_succs. Rebuild the
18179 set table after reach pre pass.
18180 (pre_insert_map, pre_delete_map, edge_list): New.
18181 (alloc_pre_mem): Allocate edge vectors.
18182 (free_pre_mem): Delete edge vectors.
18183 (compute_pre_data): Call new edge based lcm routines.
18184 (process_insert_insn): New function.
18185 (insert_insn_end_bb): Use it.
18186 (pre_edge_insert): New function.
18187 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
18189 (pre_insert_copies): Revamp using new edge based lcm outputs.
18190 (pre_delete): Likewise.
18191 (one_pre_gcse_pass): Insert & remove fake edges to the exit
18193 (compute_code_hoist_vbeinout): New new edge based routines.
18194 * lcm.c: Remove all the old LCM functions. Replace with new ones
18195 that work with the new cfg datastructures and work with edges
18198 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18200 * reload.h (struct reload): Add new fields "mode" and "nregs".
18201 * reload1.c: Change all occurrences of reload_mode and reload_nregs
18202 to reference the "mode" and "nregs" field within struct reload.
18204 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
18206 * haifa-sched.c (true_dependency_cache): New.
18207 (add_dependence): Use the true dependency cache to avoid expensive
18208 walks down the LOG_LINKS dependency list. Add entries to the
18209 cache as necessary.
18210 (remove_dependence): Remove entries from the true dependency cache
18212 (schedule_insns): Allocate and initialize and free the true
18215 * haifa-sched.c (schedule_insns): Do not remove inter-block
18216 dependencies anymore.
18218 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
18220 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
18221 * i386/t-winnt: Likewise.
18223 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
18225 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
18227 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
18229 * Makefile.in (LANGUAGES): Omit "proto".
18230 (clean): Remove stale comment about removing unprotoize.c.
18232 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18234 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
18235 using arithmetic on void pointers.
18237 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
18239 * haifa-sched.c (compute_block_forward_dependencies): Only check
18240 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
18242 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
18244 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
18245 (expr_equiv_p): Reject memories with different alias sets.
18247 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
18249 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
18250 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
18251 (f_options): Add "bounded-pointers" and "bounds-check" entries.
18252 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
18253 (lang_init): Set default for flag_bounds_check if still "unspecified".
18255 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18257 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
18259 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18261 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
18264 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18266 * config/c4x/c4x.md (*db_noclobber,
18267 *decrement_and_branch_until_zero_noclobber): New patterns and
18268 associated splitters.
18270 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18272 * config/c4x/c4x.md (parallel instruction patterns): Rework
18273 constraints to keep reload happy.
18275 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18277 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
18278 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
18279 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
18280 Add new patterns and associated post-reload splitters.
18282 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18284 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
18286 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18288 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
18290 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
18292 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18294 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
18297 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
18299 * pa.c (move_operand): Rely on memory_address_p to determine the
18300 validity of non-indexed memory addresses.
18301 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
18302 operand in DFmode and SFmode when generating PA2.0 code.
18304 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
18306 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
18308 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
18310 * mips.c (function_prologue): Fix argument types.
18311 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
18312 (casesi_internal): Write to the scratch register.
18314 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
18316 * cppexp.c (cpp_parse_escape): Make static. Change second arg
18318 (parse_charconst): Delete unnecessary cast when calling
18320 (cpplib.h): Kill prototype of cpp_parse_escape.
18322 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
18324 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
18325 * unroll.c (unroll_loop): Cast return value of alloca.
18326 * i370/i370.c: Include function.h and toplev.h.
18327 (i370_label_scan): Remove c++ commented abort.
18328 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
18329 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
18330 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
18331 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
18333 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
18335 * config/t-freebsd: Do not override USER_H.
18336 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
18338 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
18339 Mumit Khan <khan@xraylith.wisc.edu>
18341 * c-parse.in (component_decl): Support anonymous struct/union.
18343 * c-parse.y: Regenerate.
18344 * c-parse.c: Likewise.
18345 * objc/objc-parse.y: Likewise.
18346 * objc/objc-parse.c: Likewise.
18347 * c-decl.c (finish_struct): Don't sort the fields.
18348 (field_decl_cmp): Delete unused function.
18350 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
18352 * sparc.md (movsf_const_intreg): Revert last constraint change.
18353 (movdf_const_intreg_sp32): Likewise.
18355 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
18357 * cse.c: Include hashtab.h instead of splay-tree.h
18358 (struct cse_reg_info): No longer use variant union. Add new
18359 field "regno". All references changed to avoid union.
18360 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
18361 (free_cse_reg_info): Remove.
18362 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
18363 (get_cse_reg_info): Revamp to use expandable hash tables instead
18364 of splay trees. Initialize new fields in cse_reg_info structure.
18365 (new_basic_block): Similarly.
18367 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
18369 * genrecog.c (message_with_line): Prototype.
18370 (validate_pattern): Pass along the set for the dest, not a flag.
18371 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
18372 Check for PC/CC0 as sources.
18373 (nodes_identical): Check for children position match before
18374 allowing the combination.
18376 * rtl.c (read_rtx): Track line number across \\\n.
18378 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
18380 * mips.h (SPECIAL_MODE_PREDICATES): New.
18381 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
18382 (movdi+1, movsi+1): Add output reload constraint.
18383 (casesi_internal): Likewise. Fix commentary.
18384 (return_internal): Use pmode_register_operand.
18386 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
18388 * 1750a.md (movstrqi): Add missing output reload constraint.
18389 (call_value): Likewise.
18390 * a29k.md (cpxxx patterns): Add missing match_operator mode.
18391 (jmpfdec): Add missing inout reload constraint.
18392 * elxsi.md (addsi patterns): Add missing output reload constraint.
18393 (move from sp): Use @ alternates.
18394 (call_value): No constraint on output.
18395 * fr30.md (movsi_pop): Add missing output reload constraint.
18396 (movsf_constant_store): Likewise.
18397 (splits): Remove constraints.
18398 (subsi3): Add missing mode.
18399 * i370.md (cmpstrsi+1): Add missing output reload constraint.
18400 (call_value): Likewise.
18401 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
18402 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
18403 * m32r.md (movsicc_internal): Add output reload constraint.
18404 (movstrsi_internal): Add inout reload constraints.
18405 * m88k.h (reg_names): Don't declare.
18406 (SPECIAL_MODE_PREDICATES): New.
18407 * m88k.md (*): Use register_operand not reg_or_0_operand
18409 * mn10200.h (PREDICATE_CODES): New.
18410 * ns32k.md (ffs pattern): Add output reload constraint.
18411 * pdp11.md (sob pattern): Add inout reload constraint.
18412 * sh.md (splits): Remove constraints.
18413 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
18414 * v850.md (pattern_is_ok_for_epilogue): Likewise.
18415 * vax.md (jgequ pattern): Add inout reload constraint.
18417 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
18419 * configure.in (djgpp): Revert previous patch.
18420 * configure: Rebuit.
18421 * config/i386/djgpp.h: Revert previous patch.
18423 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
18425 * fixinc/inclhack.def: Restore patch lost during last merge of
18426 "no_bogosity" branch.
18427 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
18429 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
18431 * fixincludes: Add a HPUX 11 fix for inttypes.h.
18432 * fixinc/inclhack.def: Same.
18433 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
18435 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
18437 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
18438 as the base of a PLUS.
18440 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18442 * config/c4x/c4x.md: Define mode for remaining unspec operators.
18443 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
18445 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
18447 * pa.md (post_stw+1): Use pmode_register_operand.
18448 (dcacheflush, icacheflush): Likewise.
18450 * i386.md (movstricthi_1): Allow r/r.
18452 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
18454 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
18455 to (not (and (arg0) (arg1))). Similary for and.
18457 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
18458 fallthrough to associate code.
18459 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
18462 * combine.c (simplify_logical): Convert XOR to IOR if operands have
18463 no bits in common; remove XOR to ROTATE conversion.
18465 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18467 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
18469 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18471 * config/c4x/c4x.c (dst_operand): New.
18472 (PREDICATE_CODES): Update.
18473 * config/c4x/c4x.h (dst_operand): Declare it.
18474 * config/c4x/c4x.md: Define mode for each unspec usage.
18475 (move patterns): Use dst_operand predicate instead of src_operand.
18476 (movqi_update, movqf_update): Delete.
18478 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
18480 * recog.c (pmode_register_operand): New.
18481 * recog.h: Declare it.
18482 * genrecog.c (pred_codes): Likewise.
18483 (special_mode_pred_table): Likewise.
18484 (validate_pattern): Don't warn no mode for address_operand.
18486 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
18487 if the operand is not insn-like.
18489 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
18490 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
18492 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
18494 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
18496 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
18497 instead of general_operand in a SET_DEST. Use const_double_operand
18498 instead of an explicit test against CONST_DOUBLE.
18499 (movsf_const_lo): Add missing register mode.
18500 (goto_handler_and_restore): Add auxiliary test for Pmode.
18501 (flush): Adjust to use address_operand.
18502 (return_sf_no_fpu): Add missing output constraint.
18504 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
18506 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
18507 for call return value.
18508 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
18510 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
18512 * toplev.c (main): Only warn about options for other languages.
18513 * collect2.c (main): Pass -w to sub-gcc.
18515 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
18517 * flow.c (propagate_block): Add call-clobbered registers to
18520 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
18521 zapping mem_set_list.
18522 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
18523 (mark_set_1, mark_used_regs): Likewise.
18525 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
18527 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
18529 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
18531 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
18532 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
18533 options. Also add a new item "C-only Warning Options" to the
18536 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
18538 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
18539 from multiple calls.
18541 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
18543 * i386.md (call value patterns): Move to the end of the file.
18544 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
18546 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
18548 * configure.in (djgpp configuration): Define extra_objects..
18549 * configure: Rebuilt.
18550 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
18551 (DTORS_SECTION_ASM_OP): Define.
18552 (INIT_SECTION_ASM_OP): Define.
18553 (FINI_SECTION_ASM_OP): Define.
18554 (DATA_SECTION_ASM_OP): Define.
18555 (TEXT_SECTION_ASM_OP): Define.
18556 (EH_FRAME_SECTION_ASM_OP): Define.
18557 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
18558 (STARTFILE_SPEC): Add crtbegin.o.
18559 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
18560 to here from LINK_COMMAND_SPEC.
18561 (DO_GLOBAL_CTORS_BODY): Define.
18562 (CRTSTUFF_USE_FINI_SECTION): Define
18563 (HAS_INIT_SECTION): Delete.
18565 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
18567 * Makefile.in (all.cross): Depend on xcpp$(exeext).
18569 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
18571 * pa.h (PREDICATE_CODES): New.
18573 * genrecog.c (validate_pattern): Condense the destination
18574 non-lvalue message.
18576 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
18578 * alpha.md (call-1): Supply missing mode for operator.
18579 (*): Add missing output reload constraints. Remove constraints
18580 from define_splits.
18582 * i386.h (SPECIAL_MODE_PREDICATES): New.
18583 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
18584 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
18585 (addsi_lea_3): Add missing mode for op 3.
18586 (prologue_set_got, prologue_get_pc): Add missing modes.
18587 (*) Add missing output reload constraints.
18589 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
18591 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
18592 check for member bit-size overflow and use var_size if it occurs.
18593 (layout_record): Use bitsize_int() to define the type size in bits.
18594 Likewise for computation and assignment to DECL_FIELD_BITPOS.
18595 (layout_decl): Likewise when assigning to DECL_SIZE.
18597 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
18599 * genrecog.c (validate_pattern): Typo last change. Verify
18600 that output operands have output reloads.
18602 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
18604 * genrecog.c (special_mode_pred_table): New.
18605 (NUM_SPECIAL_MODE_PREDS): New.
18606 (find_operand): New.
18607 (validate_pattern): New argument `insn'. Warn for assignment to
18608 any predicate accepting non-lvalues. Conditionaly warn for
18609 match_operand without a mode. Try much harder to match source
18610 and destination modes on a set.
18611 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
18613 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
18615 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
18617 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
18619 * combine.c (simplify_logical): Recognize xor pattern that encodes
18622 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18624 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
18627 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
18629 * ggc-page.c (MAP_FAILED): Provide default.
18631 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
18633 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
18634 * sparc.h (PREDICATE_CODES): Update.
18636 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
18638 * alpha.c (some_ni_operand): New.
18639 * alpha-protos.h: Declare it.
18640 * alpha.h (PREDICATE_CODES): Update.
18641 * alpha.md (sXaddq reload insns): Use some_ni_operand
18642 for SET_DEST instead of some_operand.
18644 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
18645 Jim Wilson <wilson@cygnus.com>
18647 * genrecog.c (maybe_both_true_2): Don't compare modes of
18649 (process_tree): Elide peephole2_insns. Invoke simplify_tests
18650 after find_afterward.
18651 (debug_decision_1): Dump next and afterward codes.
18653 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
18655 * rtl.c (dump_and_abort): Remove.
18656 (fatal_with_file_and_line): New.
18657 (fatal_expected_char): New.
18658 (read_rtx_lineno, read_rtx_filename): New.
18659 (read_skip_spaces): Track line number.
18660 (read_name): Use fatal_with_file_and_line.
18661 (read_rtx): Use fatal_expected_char. Track line number.
18662 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
18664 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
18665 if it isn't a CODE_LABEL.
18667 * genattr.c (main): Set read_rtx_filename.
18668 * genattrtab.c (main): Likewise.
18669 * gencodes.c (main): Likewise.
18670 * genconfig.c (main): Likewise.
18671 * genemit.c (main): Likewise.
18672 * genextract.c (main): Likewise.
18673 * genflags.c (main): Likewise.
18674 * genopinit.c (main): Likewise.
18675 * genoutput.c (main): Likewise.
18676 * genpeep.c (main): Likewise.
18678 * genrecog.c (decision_test.u.insn): Add `lineno'.
18679 (pattern_lineno, error_count): New variables.
18680 (message_with_line): New.
18681 (add_to_sequence): Break out checking code to ...
18682 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
18683 (merge_insn): Use message_with_line.
18684 (make_insn_sequence): Use validate_pattern. Record insn lineno.
18685 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
18687 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18689 * expr.c (store_constructor): Clear union if constructor is empty.
18691 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
18693 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
18694 Add !endian checks. Change %{...} to %(...).
18696 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
18698 * i386.md (*addsi3_cc): Renamed from addcsi3.
18699 (*addsi3_carry): Renamed from addxsi3.
18700 (*subsi3_cc): Renamed from subcsi3.
18701 (*subsi3_carry): Renamed from subxsi3.
18702 (*xorqi_cc_1): Renamed from xorcqi_1.
18703 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
18704 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
18706 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
18708 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
18709 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
18711 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
18713 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
18714 climb up the chain of insns.
18716 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
18718 * genrecog.c (write_subroutine): Careful for null trees.
18719 (process_tree): Don't elide empty functions.
18721 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
18723 * Makefile.in (genrtl.o): Depend on ggc.h.
18724 * configure.in (valloc): Probe for it.
18725 (with-gc): Use ggc-page if valloc present.
18726 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
18727 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
18728 (ggc_alloc_string): Moved from ggc-page.c.
18729 * ggc-none.c (ggc_alloc_obj): New.
18730 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
18731 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
18732 (struct globals): Likewise for dev_zero_fd.
18733 (init_ggc): Likewise for it's initialization.
18734 (ggc_allocated_p): Move careful dereference from ...
18735 (ggc_lookup_page_table): ... here. Delete.
18736 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
18737 (alloc_anon): Use valloc if no mmap.
18738 (release_pages): Use free if using valloc.
18739 (ggc_alloc_obj): Renamed from alloc_obj.
18740 (ggc_set_mark): Renamed from mark_obj.
18741 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
18742 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
18743 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
18744 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
18745 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
18746 (ggc_collect): Use fp printing instead of our own rounding.
18747 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
18748 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
18749 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
18750 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
18751 (struct ggc_string, struct ggc_any): Delete.
18752 (offsetof): Provide default definition.
18753 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
18755 (struct ggc_mem): New, from corpse of ggc_any.
18756 (struct ggc_status): Delete.
18757 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
18758 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
18759 (n_strings_collected, n_anys_collected): Delete.
18760 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
18761 (ggc_alloc_string, ggc_alloc): Delete.
18762 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
18763 (ggc_free_string, ggc_free_any): Delete.
18764 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
18765 (ggc_compare_addresses, ggc_mark_string): Delete.
18766 (ggc_mark_string_if_gcable, ggc_mark): Delete.
18767 (search_data): Delete.
18768 (struct globals): New.
18769 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
18770 (tree_insert, tree_lookup): New.
18771 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
18772 (clear_marks, sweep_objs): New.
18773 (ggc_collect): Gut. Use clear_marks, sweep_objs.
18774 (init_ggc): Set allocated_last_gc.
18775 (ggc_push_context): Gut. Use G.context.
18776 (ggc_pop_context): Likewise.
18777 (ggc_pop_context_1): New.
18778 (debug_ggc_tree): New.
18779 (debug_ggc_balance, tally_leaves): New.
18780 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
18781 (ggc_mark_string_if_gcable): Remove decl.
18782 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
18783 (ggc_mark_rtvec_children): New.
18784 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
18785 (ggc_mark_if_gcable): New decl.
18786 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
18787 (ggc_alloc_tree, ggc_alloc): Likewise.
18788 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
18789 (ggc_alloc_obj): New decl.
18790 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
18791 (ggc_alloc_tree, ggc_alloc): Likewise.
18792 (ggc_set_mark): New decl.
18793 * rtl.h (struct rtx_def): Remove gc_mark.
18794 (struct rtvec_def): Likewise.
18795 * tree.h (struct tree_common): Likewise.
18797 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
18799 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
18800 float_format and thread_file definitions.
18801 * configure: Rebuilt.
18803 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
18805 * extend.texi (Function Names): Document types of function names.
18807 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18809 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
18810 an earlyclobbered output conflict with RELOAD_INPUT reloads.
18812 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18814 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
18816 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18818 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
18820 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
18822 * collect2.c (main): Do prelimnary link on AIX if rflag.
18824 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18826 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
18827 __CTOR_LIST__ in opposite order, which is the correct order for sorted
18829 (__do_global_dtors): similarly for __DTOR_LIST__.
18831 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18832 Diego Novillo <dnovillo@cygnus.com>
18834 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
18837 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
18839 * fixincl/*: Merged "no_bogosity" branch
18840 * fixincl/fixlib.h: protect against doubly defining t_bool
18841 * fixincl/server.h: protect against doubly defining t_bool
18843 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
18845 * genoutput.c: Include toplev.h.
18847 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
18849 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
18851 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
18852 * configure: Regenerate.
18854 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
18856 * gcse.c (delete_null_pointer_checks): Returns void.
18858 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18860 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
18861 * emit-rtl.c (copy_insn_1): Likewise.
18863 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18865 * config/mips/mips.c (mips_build_va_list): Correct
18866 TREE_CHAIN setting when hard-float.
18867 (mips_va_start): Use corrected setting.
18868 (mips_va_arg): Likewise. Also pass a tree to build of
18869 POSTINCREMENT_EXPR rather than a naked 'int'.
18871 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
18873 * ggc.h (ggc_push_context): Fix comment.
18874 (ggc_pop_context): Likewise.
18875 (mark_string_if_gcable): Likewise.
18876 * ggc-common.c (ggc_mark_rtx_children): Use
18877 ggc_mark_string_if_gcable.
18878 * ggc-page.c (ggc_lookup_page_table): New function.
18879 (ggc_allocated_p): Likewise.
18880 (mark_obj): Fix formatting.
18881 (ggc_mark_string_if_gcable): New function.
18882 * ggc-simple.c (ggc_allocated_strings): New variable.
18883 (ggc_strings_used): Likewise.
18884 (ggc_compare_addresses): New function.
18885 (ggc_pop_context): Pop the `any' memory too.
18886 (ggc_mark_string_if_gcable): New function.
18887 (ggc_collect): Initialize and tear down ggc_allocated_strings.
18889 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
18891 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
18892 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
18893 * rs6000.c (expand_block_move): Match movstrsi_?reg register
18896 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
18898 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
18899 (sched_reg_live_length, sched_reg_basic_block): Delete.
18900 (current_block_num, bb_live_regs, old_live_regs): Delete.
18901 (dead_notes, struct sometimes): Delete.
18902 (sched_note_set, birthing_insn_p): Delete.
18903 (adjust_priority): Gut useless reg lifetime code.
18904 (create_reg_dead_note, attach_deaths): Delete.
18905 (attach_deaths_insn, new_sometimes_live): Delete.
18906 (finish_sometimes_live): Delete.
18907 (find_pre_sched_live, find_post_sched_live): Delete.
18908 (update_reg_usage): Delete.
18909 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
18910 (schedule_insns): Delete reg lifetime code.
18911 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
18912 (unlink_other_notes): Adjust REG_NOTE commentary.
18913 (reemit_notes): Use REG_SAVE_NOTE.
18914 (schedule_block): Likewise.
18915 (schedule_region): Allocate bitmap of blocks in region. Use
18916 count_or_remove_death_notes. Use update_life_info.
18918 * rtl.h (REG_SAVE_NOTE): New.
18919 * rtl.c (reg_note_name): Update.
18921 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
18923 * combine.c (refresh_blocks, need_refresh): New.
18924 (combine_instructions): Allocate refresh_blocks. Invoke
18925 update_life_info if needed.
18926 (distribute_notes): Mark refresh_blocks instead of installing
18928 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
18929 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
18931 * Makefile.in (recog.o): Depend on basic-block.h.
18933 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
18935 * genrecog.c (add_to_sequence): Thinko last change: delete
18936 shadowing allow_const_int variable.
18938 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18940 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
18941 __GNUC__ and __GNUC_MINOR__.
18943 * gansidecl.h: Likewise.
18949 * toplev.h: Likewise.
18951 * tree.c: Likewise.
18953 * tree.h: Likewise.
18955 * varray.c: Likewise.
18957 * varray.h: Likewise.
18959 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18961 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
18962 use one before a jump table.
18964 * rtl.def (ADDRESS): Change documentation to match reality.
18965 * md.texi: Don't document it.
18966 * gmicro.md (load address pattern): Use 'p' constraint, delete use
18969 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
18971 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
18973 * genrecog.c (add_to_sequence): Move allow_const_int test outside
18974 known predicate block; default allow_const_int true.
18975 (debug_decision_list): New.
18977 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
18979 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
18981 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
18983 * gcse.c (gcse_main): Avoid global optimizations if we have a
18984 large number of basic blocks and the ratio of edges to blocks
18986 (delete_null_pointer_checks): Likewise.
18988 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
18990 * c-common.c (check_format_info): Warn if format string isn't a
18993 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18995 * configure.in (arm*-*-*): Don't let autoconf remove brackets
18996 * configure: regenerate
18998 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
19000 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
19001 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
19002 (peepholes): Re-enable.
19004 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
19006 * Makefile.in (flow.o): Depend on TREE_H.
19007 * basic-block.h (REG_SET_EQUAL_P): New.
19008 (XOR_REG_SET): New.
19009 (n_edges): Declare.
19010 (free_regset_vector): Remove declaration.
19011 (flow_delete_insn_chain): Declare.
19012 (enum update_life_extent): New.
19013 (update_life_info, count_or_remove_death_notes): Declare.
19014 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
19015 Verify register live at bb->global_live_at_start before adding USE.
19016 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
19017 (CLEAN_ALLOCA): New.
19019 (PROP_*): New flags.
19020 (find_basic_blocks_1): Use alloc_EXPR_LIST.
19021 (clear_edges): Zero n_edges.
19022 (make_edge): Increment n_edges.
19023 (split_edge): Don't allocate bb->local_set. Increment n_edges.
19024 (flow_delete_insn_chain): Export.
19025 (delete_block): Decrement n_edges.
19026 (merge_blocks_nomove): Likewise.
19027 (life_analysis): Give life_analysis_1 PROP flags.
19028 (verify_wide_reg_1, verify_wide_reg): New.
19029 (verify_local_live_at_start): New.
19030 (update_life_info): Rewrite to call into propogate_block.
19032 (mark_regs_live_at_end): After reload, if epilogue as rtl,
19033 always mark stack pointer. Conditionally mark PIC register.
19034 After reload, mark call-saved registers, return regsiters.
19035 (life_analysis_1): Accept PROP flags not remove_dead_code.
19036 Call mark_regs_live_at_end before zeroing regs_ever_live.
19037 Use calculate_global_regs_live. Copy global_live_at_end before
19038 calling final propagate_block. Zero reg_next_use on exit.
19039 (calculate_global_regs_live): New.
19040 (allocate_bb_life_data): Don't allocate bb->local_set.
19041 (init_regset_vector, free_regset_vector): Remove.
19042 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
19043 Test flags before every operation. Warn if prologue/epilogue insn
19044 would have been deleted.
19045 (mark_set_regs, mark_set_1): Accept and use FLAGS.
19046 Use alloc_EXPR_LIST.
19047 (mark_used_regs): Accept and use FLAGS, not FINAL.
19048 Remove special handling for RETURN.
19049 (try_pre_increment): Use alloc_EXPR_LIST.
19050 (dump_flow_info): Dump n_edges.
19051 (unlink_insn_chain, split_hard_reg_notes): Remove.
19052 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
19053 (find_insn_with_note, new_insn_dead_notes): Remove.
19054 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
19055 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
19056 (replace_insns): Remove.
19057 (count_or_remove_death_notes): New.
19058 (verify_flow_info): Abort on error after all checks.
19059 (remove_edge): Decrement n_edges.
19060 (remove_fake_edges): Tweak format.
19061 * haifa-sched.c (schedule_insns): Use split_all_insns.
19062 * output.h (update_life_info): Remove declaration.
19063 * recog.c (split_all_insns): From the corpse of split_block_insns,
19064 do the whole function block by block. Use update_life_info.
19065 (recog_last_allowed_insn): New.
19066 (recog_next_insn): Mind it.
19067 (peephole2_optimize): Set it. Walk backwards through blocks.
19068 Use update_life_info.
19069 * rtl.h (update_flow_info, replace_insns): Remove declarations.
19070 (split_all_insns): Declare.
19071 * toplev.c (rest_of_compilation): Thread prologue before flow2.
19072 Use split_all_insns.
19074 * i386.md (or -1 peep2s): Disable.
19076 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
19078 * config/mips/mips.md (movstrsi+[123]) : Combine these into
19079 a single pattern. Scrap the 'd' versions as unnecessary.
19081 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
19082 tablejump_mips162,tablejump_internal4): The operands to a
19083 label_ref must be VOIDmode.
19085 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19087 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
19089 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
19091 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
19093 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
19095 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
19096 cache every function if ggc_p.
19098 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19100 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
19101 instead of copy_rtx. Accept sequences that contain asm statements.
19102 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
19103 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
19104 orig_asm_operands_vector, copy_asm_operands_vector,
19105 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
19107 * rtl.h (copy_insn, copy_insn_1): Declare.
19109 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19111 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
19113 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
19114 arguments to `current_file_function_operand'.
19116 * genrecog.c: Include hard-reg-set.h and resource.h in the
19117 generated output file.
19119 * real.c: Include tm_p.h.
19121 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19123 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
19126 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
19128 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
19129 before the fctiwz insn.
19131 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19132 Mark Mitchell <mark@codesourcery.com>
19134 * tree.c (make_lang_type_fn): New funtion pointer.
19135 (make_lang_type): Call it.
19136 * tree.h (make_lang_type): Declare.
19137 (make_lang_type_fn): Likewise.
19138 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
19140 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
19142 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
19143 make sure that HIGH instructions are copied into BASE_REGS.
19145 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
19147 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
19149 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
19151 * c-decl.c (finish_struct): Use simpler method of
19152 removing elements of a singly-linked list.
19154 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
19156 * alpha.md (peephole2's): Comment out peephole2's that generate
19159 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
19161 * genrecog.c (add_to_sequence): Disable mode check for
19164 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19166 * ggc-simple.c (init_ggc): Set empty_string.
19168 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
19170 * configure.in: Detect mmap. Add --with-gc=foo to select
19171 garbage collector; default to page if mmap available.
19172 * Makefile.in (GGC): Substitute.
19174 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
19176 * c-decl.c (ggc_p): Enable.
19178 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19180 * flow.c (verify_flow_info): Make it extern & unconditionally define.
19182 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
19184 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
19185 string for little-endian-data.
19187 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
19189 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
19190 case somebody tries to compile --enable-checking code with gcc
19193 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
19195 * genrecog.c (add_to_sequence): Verify operand to label_ref is
19198 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
19200 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
19201 * jump.c (jump_optimize_1): Document why.
19203 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19205 * collect2.c (scan_prog_file, scan_libraries): Prototype function
19206 pointers and casts for `int_handler' and `quit_handler'.
19208 * flow.c (verify_flow_info, split_hard_reg_notes,
19209 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
19210 remove_edge, remove_fake_successors): Add static prototypes.
19211 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
19212 (mark_set_1): Initialize variable `regno'.
19213 (unlink_insn_chain): Likewise for variable `curr'.
19214 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
19216 * loop.c (strength_reduce): Initialize variable
19217 `unrolled_insn_copies'.
19218 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
19219 prototypes. Change these functions to take const PTR parameters
19220 to avoid prototype conflict when used as the comparson argument
19222 (check_dbra_loop): Initialize variable `comparison_val'.
19224 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
19225 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
19226 (find_valid_class): Initialize variable `best_class'.
19227 (find_reloads): Call memcpy, not bcopy.
19229 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
19230 (hard_reg_use_compare): Don't needlessly cast away const.
19231 (reload_reg_class_lower): Likewise.
19232 (choose_reload_regs): Initialize variable `regno'.
19234 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
19236 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
19238 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
19240 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
19241 ({,d}discard): Add forward declarations. Declare parameter as
19243 (main_without_main): Explicitly declare return type to be int.
19244 (memcpy): Properly declare.
19246 * libgcc2.c (toplevel): If inhibit_libc is defined and not
19247 building the trampoline support, declare malloc, free, and
19249 (__clear_cache): Mark arguments as potentially unused.
19251 * frame.c (toplevel): If inhibit_libc is defined, declare
19254 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
19256 * flow.c (make_edge): Accept an optional 2D bitmap in which
19257 to cache edge existence. Update all callers.
19258 (make_label_edge, make_eh_edge): Pass through the edge cache.
19259 (make_edges): Provide the cache.
19261 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19263 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
19265 (local_mbtowc): Change the type of variable `i' from int to size_t.
19267 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
19268 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
19270 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
19272 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
19273 after other includes that define the appropriate types. Include
19274 tm_p.h for getting user prototypes.
19275 * ggc-callbacks.c (toplevel): Ditto.
19276 * ggc-none.c (toplevel): Ditto.
19277 * gcc-page.c (toplevel): Ditto.
19278 * ggc-simple.c (toplevel): Ditto.
19280 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
19281 Jonathan Larmour <jlarmour@cygnus.co.uk>
19283 * config/mips/mips.c (mips_move_2words): Split doubles if
19284 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
19286 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
19288 * genrecog.c (struct decision_test): New.
19289 (struct decision): Remove test-related members, sort the rest by size.
19290 (IS_SPLIT): Simplify.
19291 (new_decision, new_decision_test): New.
19292 (add_to_sequence): Use them. No special handling for args of
19294 (maybe_both_true): Renamed from not_both_true; return sense changed.
19295 (maybe_both_true_1, maybe_both_true_2): New. Broken out
19296 of maybe_both_true and adjusted for decision_test.
19297 (position_merit): Remove.
19298 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
19299 (merge_accept_insn): New, broken out of merge_trees.
19300 (merge_trees): Use them. No special case for c_test; no node
19301 splitting; use test type instead of position_merit.
19302 (factor_tests): New.
19303 (simplify_tests): New.
19304 (break_out_subroutines): Don't write code now.
19305 (find_afterward): New.
19306 (write_afterward, write_switch, write_cond): New.
19307 (write_action, is_unconditional): New.
19308 (write_node): New. Use them.
19309 (write_tree_1): Rewrite. Use the new functions above.
19310 (write_tree): Remove afterward processing.
19311 (write_subroutine): Simplify function variant emission.
19312 (write_subroutines): New.
19313 (same_codes, clear_codes): Remove.
19314 (same_modes, clear_modes): Remove.
19315 (write_header): New, broken out of main.
19316 (make_insn_sequence): Use new_decision and new_decision_test.
19317 (process_tree): New, broken out of main.
19318 (main): Adjust for merge_trees interface change.
19319 Don't #define operands in the output file.
19320 (record_insn_name): New, broken out of make_insn_sequence.
19321 (debug_decision_2, debug_decision_1, debug_decision_0): New.
19322 (debug_decision): New.
19324 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
19326 * resource.c (find_free_register): Mark class_str argument const.
19327 * resource.h: Update prototype to match.
19329 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
19330 * i386.md: Give all anonymous insns names.
19332 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
19334 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
19337 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
19339 * toplev.c (dbr_sched_time): Unconditional.
19340 (peephole2_time): New.
19341 (compile_file): Add pass numbers to all of the dump file suffixes.
19342 Dump peephole2_time. Don't dump times for non-applicable passes.
19343 (rest_of_compilation): Add pass numbers to dump file suffixes.
19344 Conditionalize calls to the scheduler.
19345 * invoke.texi: Update.
19347 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
19349 * flow.c (make_edges): Fix insn iteration.
19350 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
19351 (find_basic_blocks_1): Fix spelling mistake.
19353 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
19355 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
19356 always have side-effects. Use memset not bzero.
19357 (make_node): Likewise.
19359 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
19361 * stmt.c (expand_anon_union_decl): When any of the elements of the
19362 union is addressable, so is the entire union.
19364 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
19366 * sbitmap.c (sbitmap_ones): Don't set too many bits.
19368 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
19369 * bitmap.c (bitmap_operation): Return true iff TO changed.
19370 (bitmap_equal_p): New.
19371 (bitmap_bit_p): Tidy arithmetic.
19372 (debug_bitmap_file): Likewise.
19374 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
19376 * toplev.c (rest_of_compilation): Turn on cse_not_expected
19377 before cse2 instead of after.
19379 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
19381 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
19384 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19386 * cppinit.c (is_idchar initializer): Loosen tests to accept
19389 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
19391 * mips.md: Define conditional move patterns for floating point
19392 operands and DI mode conditions.
19394 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
19396 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
19397 always have side-effects.
19399 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
19401 * mn10200.c (asm_file_start): Fix typo.
19403 * cppinit.c (is_idchar initializer): Tighten tests for when
19404 to put the table into initialized memory.
19406 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
19407 not an array of rtunion.
19408 * gcc-page.c (ggc_alloc_rtvec): Similarly.
19409 * gcc-simple (ggc_free_rtvec): Similarly.
19411 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
19414 * mbchar.h: Add missing #endif.
19416 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
19417 (FPBIT, DPBIT): Define.
19419 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19421 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
19423 * profile.c (instrument_arcs, output_gcov_string,
19424 tablejump_entry_p): Add static prototypes.
19425 (output_gcov_string): Constify a char*.
19427 * regmove.c (replacement_quality, fixup_match_2): Add static
19430 * resource.h (reg_dead_p): Add extern prototype.
19432 * rtl.c (trim_filename): Add static prototype.
19434 * scan-decls.c (skip_to_closing_brace): Likewise.
19436 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
19437 (expand_end_case): Initialize variable `range'.
19438 (emit_case_nodes): Remove unused prototype `rtx_fn'.
19440 * varasm.c (asm_emit_uninitialised): Add static prototype.
19441 (asm_emit_uninitialised, assemble_variable): Mark parameter with
19444 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19446 * cpplib.c (if_directive_nameo): Add static prototype.
19448 * cse.c (cse_insn): Remove unused variable `p'.
19450 * except.c (create_rethrow_ref, push_entry,
19451 receive_exception_label, new_eh_region_entry, find_func_region,
19452 clear_function_eh_region, process_nestinfo): Add static prototypes.
19453 (get_reg_for_handler): Hide definition.
19454 (process_nestinfo): Initialize variable `extra_handlers'.
19456 * expr.h (expand_builtin_longjmp): Add extern prototype.
19458 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
19460 * function.c (prepare_function_start): Likewise.
19461 (pop_function_context_from): Mark parameter `context' with
19463 (push_temp_slots_for_block, flush_addressof): Hide definition.
19465 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
19466 solve_program_flow_graph, calculate_branch_probs,
19467 function_summary, main, fancy_abort): Add prototypes.
19469 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
19470 (add_hash): Constify a char*.
19472 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
19473 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
19474 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
19476 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
19478 * lists.c (free_list, zap_lists): Likewise.
19480 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19482 * alias.c (nonlocal_reference_p): Add static prototype.
19484 * bitmap.c (bitmap_element_allocate): Prototype args in function
19487 * builtins.c (stabilize_va_list): Add static prototype.
19488 (expand_builtin_va_arg): Constify a char*.
19490 * c-lex.c (getch, put_back, extend_token_buffer_to,
19491 read_line_number, token_getch, token_put_back): Add static
19494 * c-parse.gperf (hash, is_reserved_word): Likewise.
19496 * cccp.c (is_dir_separator): Likewise.
19498 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19500 * graph.h: New file to prototype functions exported by graph.c.
19502 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
19504 * graph.c: Include graph.h.
19506 * toplev.c: Likewise. Remove redundant prototypes.
19508 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
19510 * invoke.texi: Removed duplicated description for -Q.
19512 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
19514 * extend.texi: Grammar fix in __extension__ text.
19516 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
19518 * md.texi (define_peephole2): New section.
19520 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
19522 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
19523 (mov $-1 to or peepholer): Enable for pentium when optimizing for
19526 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
19528 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
19530 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
19532 * i386.md (ffs expander): Emit Pentium friendly code for
19535 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
19537 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
19539 (build1): Likewise.
19541 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19543 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
19545 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
19547 * config/m68k/m68k.c (use_return_insn): Return false if the pic
19548 register is in use.
19550 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19552 * md.texi (No Constraints): Delete section.
19553 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
19554 * final.c (final_scan_insn): We always have register constraints.
19555 * genattrtab.c: Don't include "insn-config.h".
19556 (write_attr_case): We always have register constraints.
19557 * genconfig.c (register_constraint_flag): Delete.
19558 (walk_insn_part): Don't check whether we have register constraints.
19559 (main): Don't write out "#define REGISTER_CONSTRAINTS".
19560 * genoutput.c (have_constraints): Delete.
19561 (main): Don't set it.
19562 (output_operand_data): We always have constraints.
19563 (scan_operands): Likewise.
19564 (compare_operands): Likewise.
19565 * local-alloc.c (block_alloc): We always have constraints.
19566 (requires_inout): Always compile this function.
19567 * recog.c (extract_insn): We always have constraints.
19568 (constrain_operands, reg_fits_class_p): Always compile these
19570 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
19572 (struct insn_operand_data): Likewise.
19573 * regclass.c (regclass): We always have constraints.
19574 (record_reg_classes, copy_cost, record_address_regs,
19575 auto_inc_dec_reg_p): Always compile these functions.
19576 * regmove.c (regmove_optimize): We always have constraints.
19577 * reload.c (find_reloads): Likewise.
19578 * reload1.c (reload): Likewise.
19579 (reload_cse_simplify_operands): Likewise.
19580 * i860.c (output_delay_insn): Likewise.
19582 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
19584 * iris6.h (BUILD_VA_LIST_TYPE): Define.
19586 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19588 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
19589 for the va_list record.
19591 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
19593 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
19596 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
19598 * alias.c: Include insn-flags.h.
19599 * Makefile.in (alias.o): Update.
19601 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
19603 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
19604 to LTU and GEU. Handle more cases using sbb.
19606 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
19608 * i386.md (truncatexfdf splitters): Do not use subreg.
19609 (fop XFmode patterns): Fix mode in operand testing.
19611 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
19613 * jump.c (jump_optimize_1): Amend last change to test only the
19614 form of the operand, not the insn.
19616 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
19617 not register_operand to determine when B may need preloading.
19619 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
19621 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
19622 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
19623 (call-value patterns): Move to end of file.
19624 (*): Remove mode from label_ref in (pc) context.
19625 (movstrqi): Use memory not general_operand for BLKmode operands.
19626 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
19627 to register_operand operands.
19628 (peep2 patterns): Convert from commented-out peephole patterns.
19630 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19632 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
19633 to BUILT_IN_INIT_DWARF_REG_SIZES.
19634 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
19635 Renamed from BUILT_IN_DWARF_REG_SIZE; call
19636 expand_builtin_init_dwarf_reg_sizes.
19637 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
19638 with __builtin_init_dwarf_reg_size_table.
19639 * dwarf2out.c (struct reg_size_range): Delete.
19640 (expand_builtin_init_dwarf_reg_sizes): New function.
19641 (expand_builtin_dwarf_reg_size): Delete.
19642 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
19643 (expand_builtin_dwarf_reg_size): Don't declare.
19644 * libgcc2.c (dwarf_reg_size_table_initialized): New.
19645 (dwarf_reg_size_table): New.
19646 (init_reg_size_table): New function.
19647 (copy_reg): Use dwarf_reg_size_table.
19648 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
19651 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
19653 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
19654 Correctly build argument list to constructor and destructor functions.
19656 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
19658 * c-tree.h (warn_float_equal): Declare.
19659 * c-decl.c (warn_float_equal): Define.
19660 (c_decode_option): Recognize -W[no-]float-equal.
19661 * c-typeck.c (build_binary_op): Conditionally warn
19662 about equality tests of floating point types.
19663 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
19664 * invoke.texi: Add docs for -Wfloat-equal warning.
19666 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
19668 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
19669 generating RTL directly.
19670 * mips.h (INIT_TARGET_OPTABS): Likewise.
19671 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
19673 * expr.h (init_mov_optab): Delete declaration
19675 * h8300.c (WORD_REG_USED): Update to avoid useless register
19676 saves in interrupt functions and functions which never return.
19678 * cse.c (struct set): Delete inner_dest_loc field.
19679 (cse_insn): Remove assignments to inner_dest_loc field.
19681 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
19683 * ggc-page.c: Don't include <unistd.h> etc taken care of
19684 by "system.h". Include <sys/mman.h> afterward.
19686 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
19688 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
19691 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
19693 * xcoffout.c (xcoffout_declare_function): Add documentation.
19694 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
19695 TARGET_64BIT. Compare constant to -1, not bit pattern.
19696 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
19697 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
19700 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
19702 * dwarf2out.c (add_abstract_origin_attribute): Abort if
19703 origin_die is NULL.
19704 (gen_inlined_enumeration_type_die): Do not abort if the type has
19705 not been writeen out.
19706 (gen_inlined_structure_type_die): Do not abort if the type has
19707 not been writeen out.
19708 (gen_inlined_union_type_die): Do not abort if the type has
19709 not been writeen out.
19710 (gen_tagged_type_instantiation_die): Do not abort if the type
19711 has not been written out.
19713 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19715 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
19717 * reg-stack.c (straighten_stack): Copy hard reg set with
19720 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
19722 * builtins.c (stabilize_va_list): Stabilize array type va_list
19723 to a pointer type, not the base record type.
19724 (expand_builtin_va_copy): Dereference the pointers explicitly;
19725 use the correct size for the copy.
19727 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
19728 (rs6000_va_arg): Likewise.
19730 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
19732 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
19734 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
19736 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
19738 (DECL_BUILT_IN_CLASS): Adjust accordingly.
19740 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
19742 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
19743 (init_ggc): Use it instead of a constant.
19744 (ggc_collect): Bound allocated_last_gc by it.
19746 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
19748 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
19751 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
19753 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
19754 (mips*-*-openbsd*): Let big endian configuration be a fragment.
19755 * configure: Regen.
19756 * config/mips/openbsd.h: New, OpenBSD little endian target.
19757 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
19758 * config/mips/xm-openbsd.h: New, OpenBSD host.
19760 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
19762 * config/m68k/m68k.c (output_function_prologue,
19763 output_function_epilogue): Use
19764 current_function_uses_pic_offset_table instead of regs_ever_live
19765 to decide whether to save/restore pic register.
19766 (legitimize_pic_address): Don't modify regs_ever_live any more.
19768 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
19770 * function.h (struct function): Add x_dont_save_pending_sizes_p.
19771 * stor-layout.c (variable_size): Don't add sizes to the pending
19772 sizes list if x_dont_save_pending_sizes_p is set.
19774 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
19776 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
19777 for symbolic_operand().
19778 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
19780 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19782 * combine.c (gen_rtx_combine): Add missing call to va_end().
19784 * final.c (asm_fprintf): Likewise.
19786 * genattrtab.c (attr_rtx): Likewise.
19788 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
19790 * cse.c: Update comments.
19791 (cse_insn): When converting a conditional/computed jump into
19792 an unconditional jump, always make sure a BARRIER immediately
19793 follows the converted jump. Do not delete unreachable code.
19794 (cse_basic_block): Do not delete unreachable code.
19795 * toplev.c (rest_of_compilation): Move call to
19796 delete_trivially_dead_insns after the conditional call to
19799 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19801 * collect2.c (make_temp_file): Don't prototype.
19803 * gcc.c (make_temp_file): Likewise.
19805 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
19807 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
19809 * varasm.c (asm_emit_uninitialised): New function: Generate
19810 the assembler statements necessary to declare an uninitialised
19812 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
19814 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
19815 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
19817 (assemble_variable): Use asm_emit_uninitialised to emit an
19818 uninitialised variable.
19820 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
19822 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
19823 constant on a 64 bit host. Patch supplied by Geoffrey Keating
19824 <geoffk@cygnus.com>.
19826 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19828 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
19829 * c-common.h (builtin_function): Don't declare.
19831 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
19833 (pushdecl): Likewise.
19834 (finish_decl): Likewise.
19835 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
19836 int. All callers changed.
19837 Set the builtin's DECL_BUILT_IN_CLASS.
19838 * tree.h (enum built_in_class): New.
19839 (enum built_in_function): Delete NOT_BUILT_IN.
19840 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
19842 (DECL_SET_FUNCTION_CODE): Likewise.
19843 (DECL_BUILT_IN_CLASS): New macro.
19844 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
19845 (struct tree_decl): Split builtin function code field into a
19847 (builtin_function): Declare.
19849 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
19851 * optabs.c (init_traps): Fix typo in last change.
19853 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
19855 * toplev.c (rest_of_decl_compilation): Update comment.
19857 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19859 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
19860 in .sbss if appropriate.
19861 (EXTRA_SECTION_FUNCTIONS): Add sbss.
19862 (SBSS_SECTION_ASM_OP): New macro.
19863 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
19864 (EXTRA_SECTIONS): Add in_sbss.
19865 * config/mips/mips.h: Prototype sbss_section.
19867 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
19869 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
19872 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
19874 * optabs.c (init_traps): Register trap_rtx as a GC root.
19876 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19878 * config/mips/mips.c (function_arg_pass_by_reference): Define
19879 unconditionally, since it's called unconditionally.
19881 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19883 * toplev.c (documented_lang_options): Add -fshort-wchar.
19884 * c-decl.c (c_decode_option): Likewise.
19885 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
19887 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
19888 * gcc.c (default_compilers): If -fshort-wchar,
19889 override __WCHAR_TYPE__.
19890 * tm.texi (C Dialect Options): Add -fshort-wchar.
19892 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
19893 symbol for a variable.
19895 * cpplib.h (CPP_PREPROCESSED): New macro.
19896 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
19897 we're seeing this input for a second time.
19899 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
19901 * emit-rtl.c (init_emit_once): Initialize modes first.
19903 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
19905 * config/i386/i386.c (pic_label_name): Change to char pointer.
19906 (global_offset_table): New variable.
19907 (load_pic_register): Fill global_offset_table if it hasn't
19908 already been done. Allocate pic_label_name dynamically.
19909 * ggc.h (empty_string): New variable.
19910 * ggc-simple.c (empty_string): Likewise.
19911 (init_ggc): Allocate empty_string and add as root.
19912 * stmt.c (digit_strings): New variable.
19913 (init_stmt): Add last_block_end_note as root. Allocate and
19914 initialize digit_strings.
19915 (expand_asm_operands): Use empty_string instead of string
19916 constant. Use digit_strings instead of string constants.
19917 * profile.c (init_arc_profiler): Allocate string with
19918 ggc_alloc_string instead of xmalloc.
19919 (output_func_start_profiler): Likewise.
19920 * c-typeck.c (digest_init): Check if init is error_mark_node.
19922 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
19923 Richard Henderson <rth@cygnus.com>
19925 * ggc-page.c: New file.
19926 * Makefile.in (ggc-page.o): New.
19928 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
19930 * invoke.texi: Document -fdelete-null-pointer-checks
19931 * toplev.c (flag_delete_null_pointer_checks): New.
19932 (f_options): Add entry for -fdelete-null-pointer-checks.
19933 (rest_of_compilation): Conditionalize null pointer check
19934 elimination on flag_delete_null_pointer_checks.
19935 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
19937 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
19939 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
19940 copyright notice and special exception to GPL.
19942 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19944 * abi64.h (mips_function_value): Add prototype arguments.
19946 * mips-protos.h: New file with mips prototypes.
19948 * mips.c: Include "tm_p.h".
19949 (mktemp, lookup_name): Add prototype arguments.
19950 (extern_list, string_constant, mips_fill_delay_slot,
19951 mips_output_external, mips_output_external_libcall,
19952 mips_output_filename, mips_declare_object, function_prologue,
19953 mips_expand_prologue, function_epilogue, mips16_constant,
19954 build_mips16_function_stub, mips_output_conditional_branch):
19956 (mips_va_start): Remove unused variable `u'.
19957 (mips_va_arg): Cast value to unsigned when comparing against one.
19959 (save_restore_insns, mips_expand_prologue): Add missing arg in
19960 call to `large_int'.
19962 * mips.h: Move prototypes to mips-protos.h.
19963 (data_section, memory_address_p, rdata_section,
19964 readonly_data_section, simple_epilogue_p, text_section): Delete
19965 prototypes delcared elsewhere.
19966 (mips_epilogue_delay_slots, print_options): Delete unused decls.
19968 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
19970 * mips.md: Delete extra args in call to `mips_move_2words'.
19972 * xm-iris6.h (alloca): Add prototype argument.
19974 * genpeep.c: Include "tm_p.h" in generated output file.
19976 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19978 * basic-block.h (find_edge_index): Change parameters.
19979 * flow.c (verify_edge_list): Pass basic_block parameters to
19980 find_edge_index instead of integers.
19982 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
19984 * combine.c (simplify_comparison): Use an unsigned shift to adjust
19987 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
19989 * gcc.1: Fix a formatting error.
19991 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19993 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
19994 i786, mn10200, mn10300, pdp11, v850.
19996 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
19998 * libgcc2.c (num_digits): Add prototype with
19999 __attribute__((const)).
20000 (__terminate): Add prototype.
20002 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
20004 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
20006 * alpha/alpha.c (print_operand): Fix type of `code'.
20007 (alpha_output_filename): Constify.
20008 * alpha/alpha.h: Move all function declarations ...
20009 * alpha/alpha-protos.h: ... here. New file.
20010 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
20011 (SECTION_FUNCTION_TEMPLATE): Likewise.
20013 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20015 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
20016 * expr.c (expand_expr): Likewise.
20017 (do_jump): Likewise.
20018 (do_store_flag): Pass ccp_store_flag to can_compare_p.
20019 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
20021 (enum can_compare_purpose): New.
20022 (can_compare_p): Adjust prototype.
20023 (prepare_cmp_insn, prepare_operand): Declare.
20024 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
20025 * optabs.c (cmp_available_p): Deleted.
20026 (expand_abs): Pass ccp_jump to can_compare_p.
20027 (can_compare_p): New arg PURPOSE. Check for combined optabs.
20028 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
20029 Call can_compare_p rather than cmp_available_p.
20030 (prepare_operand): No longer static.
20031 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
20032 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
20033 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
20034 sequence to use emit_cmp_and_jump_insns.
20035 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
20037 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
20039 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
20040 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
20041 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
20042 (plus (reg) (const_int 0))
20043 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
20045 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
20047 * rs6000.c (expand_block_move): DImode loads and stores require
20048 word-aligned displacements. Increment address registers with
20049 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
20051 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
20053 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
20054 is no name for the base type, rather than segfault. If we are
20055 writing out a complex integer type, use DW_ATE_lo_user.
20057 * expr.c (emit_move_insn_1): If we are copying a complex that fits
20058 in one word or less (complex char, complex short, or on 64 bit
20059 systems complex float) to/from a hard register, copy it through
20060 memory instead of dying in gen_{real,imag}part. If we have a
20061 short complex type, prevent inlining since it allocates stack
20064 * tree.c (build_complex_type): If we are writing dwarf2 output,
20065 generate a name for complex integer types.
20067 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20069 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
20070 * flow.c (remove_edge): Remove extra whitespace.
20071 (remove_fake_edges): Fix comment.
20072 (add_noreturn_fake_exit_edges): Use the correct name.
20074 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
20076 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
20077 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
20078 (clean): Depend on INTL_CLEAN.
20079 (maintainer-clean): Adjust.
20081 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20083 * configure.in (AC_PREREQ): Bump to 2.13.
20084 (AC_C_STRINGIZE): Call this instead of using a custom macro.
20086 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
20088 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
20090 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
20092 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
20093 (HAVE_STRINGIZE): Define.
20095 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
20097 * c-parse.in: save and restore warn_pointer_arith on __extension__
20098 along with pedantic.
20099 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
20100 Set the type of extension to itype rather than $<itype>1 kludge.
20101 * extend.texi (Alternate Keywords): Adjust documentation.
20102 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
20104 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
20106 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
20107 most assembler templates.
20109 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
20110 FP loads and stores.
20111 (following_call): Always return zero for the PA8000.
20112 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
20113 FP loads and stores.
20114 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
20116 * pa.h (BRANCH_COST): Define.
20118 * pa.md (return, return_internal): Use bve for PA2.0.
20120 * pa.md (fused multiply): Add variants which reduce height for the
20121 fused multiply, but which still generate 2 insns.
20122 (fnegabs): Similarly.
20124 * pa.md (subsi3): Turn into an expander. Create two anonymous
20125 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
20126 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
20128 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
20130 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
20132 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
20133 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
20135 * regclass.c (init_regs): Add "top_of_stack" as a garbage
20138 * flow.c (record_active_eh_regions): Terminate loop after finding
20139 the last insn in the last basic block.
20141 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20143 * config/c4x/c4x.md: Delete parallel instruction peepholes.
20145 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20147 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
20149 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20151 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
20152 splitting to not use output template.
20154 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20156 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
20157 * config/c4x/c4x.c (c4x_va_start): New function.
20159 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
20161 * genrecog.c (not_both_true): Handle correctly cases when called for
20162 tests with different positions in the insn.
20164 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20166 * machmode.h (HOST_PTR_PRINTF): Move from here ...
20168 * system.h (HOST_PTR_PRINTF): ... to here.
20170 * mips-tfile.c: Don't include machmode.h.
20172 * Makefile.in (MACHMODE_H): New variable. Update to use it.
20173 (mips-tfile.o): Don't depend on machmode.h.
20175 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20177 * haifa-sched.c (sched_analyze): Rename local variable `region' to
20178 avoid conflicts with typedef struct `region' at the top level scope.
20180 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
20182 * basic-block.h (basic_block): Add eh_beg, eh_end.
20183 * flow.c (entry_exit_blocks): Update.
20184 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
20185 Call new functions.
20186 (find_basic_blocks_1): Don't record eh_list at each bb. Use
20187 lists.c functions to allocate insn lists.
20188 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
20190 (make_eh_edge): ... here. New.
20191 (move_stray_eh_region_notes): New.
20192 (record_active_eh_regions): New.
20193 (delete_unreachable_blocks): Split out block merging ...
20194 (try_merge_blocks): ... here. New.
20195 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
20196 Dump debugging data.
20197 (merge_blocks_move_successor_nojumps): Likewise.
20198 (merge_blocks): Use eh_beg+eh_end to validate block movement.
20200 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
20202 * extend.texi (Bound member functions): Document unbound pmf
20205 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20207 * flow.c (split_edge): Handle insertion on a fallthrough edge which
20208 has the EXIT_BLOCK as a dest.
20210 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20212 * flow.c (remove_edge): New function to remove an edge from the
20214 (remove_fake_successors): New function to remove fake successor edges.
20215 (remove_fake_edges): New function to remove all fake edges from the
20217 (add_fake_exit_edges): New function to add fake edges from all blocks
20218 with no successors to the exit block.
20219 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
20220 prototypes for new functions.
20222 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20224 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
20225 Use Pmode to determine whether to output .dword or .word.
20227 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
20229 * tree.c (built_in_filename): New variable.
20230 (BUILT_IN_FILENAME): New macro.
20231 (init_tree_codes): Allocate built_in_filename.
20232 (make_node): Use built_in_filename instead of string constant.
20234 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
20236 * configure.in: Add fr30 target.
20237 * configure: Regenerate.
20238 * config/fr30: New directory.
20239 * config/fr30/crti.asm: New file.
20240 * config/fr30/fr30.c: New file.
20241 * config/fr30/crtn.asm: New file.
20242 * config/fr30/fr30.h: New file.
20243 * config/fr30/fr30.md: New file.
20244 * config/fr30/lib1funcs.asm: New file.
20245 * config/fr30/t-fr30: New file.
20246 * config/fr30/xm-fr30.h: New file.
20248 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
20250 * flow.c (merge_blocks_move_successor_nojumps): Delete the
20251 BARRIER at the end of the successor, not the BARRIER before
20254 * pa.c (pa_add_gc_roots): Fix thinko in last change.
20256 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
20258 * stmt.c (any_pending_cleanups): Don't crash when
20259 current_function->stmt is unset.
20261 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20263 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
20264 other initializations that may use it for relative offsets.
20266 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20268 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
20269 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
20270 * config/i386/sol2dbg.h: Removed.
20271 * config/i386/sol2gas.h: New file, to enable gas work-around.
20272 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
20273 Don't use sol2dbg.h.
20274 * configure: Rebuilt.
20276 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
20278 * invoke.texi (-fthis-is-variable): Remove documentation.
20280 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
20282 * basic-block.h (compute_bb_for_insn): Declare.
20283 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
20284 to use; set size of basic_block_for_insn directly.
20285 (find_basic_blocks): Update.
20287 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20289 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
20291 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20293 * crtstuff.c (ON_EXIT): Delete empty macro definition.
20294 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
20296 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
20298 * c-decl.c (c_decode_option): Extend comment.
20300 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
20302 * toplev.c (progname): Make 'const char *'
20303 (flag_print_mem): Move out of main.
20304 (version_flag): Move out of main.
20305 (filename): Move out of main.
20306 (debug_args): Remove g prefix from options.
20307 (documented_lang_options): Remove cpplib specific options.
20308 (display_help): Add g prefix to debug options.
20309 (check_lang_option): Delete this function.
20310 (decode_d_option): New function: Decode -d... option.
20311 (decode_f_option): New function: Decode -f... option.
20312 (decode_W_option): New function: Decode -W... option.
20313 (decode_g_option): New function: Decode -g... option.
20314 (independent_decode_option): New function: Decode a language
20315 independent command line option.
20316 (main): Invoke lang_decode_option and then
20317 independent_decode_option on each command line option in
20320 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
20322 Revert this change. Gavin's patch to operand_equal_p is a better fix.
20323 * fold-const.c (fold_range_test): Do not try to fold the range
20324 test if the rhs or lhs has side effects.
20326 * basic-block.h (compute_flow_dominators): Declare.
20328 * gcse.c (alloc_code_hoist_mem): New function.
20329 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
20330 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
20331 (hoist_code, one_code_hoisting_pass): Likewise.
20332 (gcse_main): If optimizing for size, then hoist expressions
20333 computed in multiple dominated basic blocks.
20335 * gcse.c (invalid_nonnull_info): New function.
20336 (delete_null_pointer_checks): Likewise.
20337 * rtl.h (delete_null_pointer_checks): Declare.
20338 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
20340 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
20341 (merge-blocks_move_successor_nojumps): Likewise.
20342 (merge_blocks): Allow merging of some blocks, even if it requires
20343 physical movement of the blocks, but not if it requires new jumps.
20345 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
20346 Callers and prototype changed.
20347 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
20349 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20351 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
20352 -YP when both -p and -pg are present. From i386/sol2.h.
20354 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20356 * Makefile.in (distclean): Delete tm_p.h.
20357 * configure.in: Create a new file, "tm_p.h", from a list in
20358 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
20359 "i386/i386-protos.h".
20361 * alias.c: Include "tm_p.h".
20362 * c-typeck.c: Likewise.
20363 * calls.c: Likewise.
20365 * emit-rtl.c: Likewise.
20366 * explow.c: Likewise.
20367 * expmed.c: Likewise.
20368 * expr.c: Likewise.
20369 * final.c: Likewise.
20370 * flow.c: Likewise.
20371 * fold-const.c: Likewise.
20372 * function.c: Likewise.
20373 * gcse.c: Likewise.
20374 * global.c: Likewise.
20375 * haifa-sched.c: Likewise.
20376 * integrate.c: Likewise.
20377 * jump.c: Likewise.
20378 * local-alloc.c: Likewise.
20379 * loop.c: Likewise.
20380 * optabs.c: Likewise.
20381 * recog.c: Likewise.
20382 * reg-stack.c: Likewise.
20383 * regclass.c: Likewise.
20384 * regmove.c: Likewise.
20385 * reload.c: Likewise.
20386 * reload1.c: Likewise.
20387 * reorg.c: Likewise.
20388 * resource.c: Likewise.
20389 * stmt.c: Likewise.
20390 * stor-layout.c: Likewise.
20391 * toplev.c: Likewise.
20392 * tree.c: Likewise.
20393 * unroll.c: Likewise.
20394 * genattrtab.c (main): Make generated file include "tm_p.h".
20395 * genemit.c (main): Likewise.
20396 * genoutput.c (main): Likewise.
20397 * genrecog.c (main): Likewise.
20399 * i386.h: Delete all prototypes.
20400 * i386.c: Include "tm_p.h".
20401 (ix86_attr_length_default): Call constant_call_address_operand
20402 with correct number of arguments.
20403 * i386-protos.h: New file.
20404 * i386.md (unnamed patterns): Call constant_call_address_operand
20405 with correct number of arguments.
20406 (exception_receiver): Call load_pic_register with correct number
20409 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
20411 * c-pragma.c (mark_align_stack): Dereference the void* properly.
20413 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
20415 * rtl.h (insns_safe_to_move_p): New function.
20416 * loop.c (find_and_verify_loops): Use it.
20417 * rtlanal.c (insns_safe_to_move_p): Define it.
20419 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
20421 * c-pragma.c: Include ggc.h.
20422 * Makefile.in (c-pragma.o): Update.
20424 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20426 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
20427 (LIB_SPEC): Likewise.
20428 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
20429 Reindent -YP/-p/-pg.
20430 Copied from config/sparc/sol2.h.
20432 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
20434 * c-pragma.c (mark_align_stack): New.
20435 (init_pragma): New.
20436 * c-pragma.h (init_pragma): Declare it.
20437 * c-lex.c (init_parse): Call it.
20439 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20441 * configure.in: Pick up thread library on Solaris/x86 just
20442 like on Solaris/sparc.
20443 * configure: Rebuilt.
20445 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
20447 * rtl.h (global_rtx_index): New enum.
20448 (global_rtl): Change to array of rtx.
20449 (pc_rtx, cc0_rtx): Redefine accordingly.
20450 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
20451 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
20452 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
20453 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
20454 (const_int_rtx): Change to array of rtx.
20455 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
20457 * emit-rtl.c (global_rtl): Change to array of rtx.
20458 (const_int_rtx): Change to aray of rtx.
20459 (gen_rtx_CONST_INT): Redefine accordingly.
20460 (init_emit_once): Allocate and initialize global_rtl. Likewise
20461 for const_int_rtx. Add both as GC roots.
20462 * genattrtab.c (global_rtl): Update declaration.
20464 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
20466 * Makefile (USER_H): Add iso646.h back.
20468 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
20470 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
20471 zapping the LOG_LINKS of sched_before_next_call.
20473 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
20474 * pa.c (insn_refs_are_delayed): Renamed from
20475 insn_sets_and_refs_are_delayed.
20477 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
20479 * functiion.h (struct function): Add x_whole_function_mode_p.
20480 (retrofit_block): Declare.
20481 * function.c (retrofit_block): New function.
20482 (identify_blocks): Add assertions. Allow an incomplete set of
20483 block notes if we're still generating code for the function.
20484 * integrate.c: Include loop.h.
20485 (expand_inline_function): Call find_loop_tree_blocks to map block
20486 notes to blocks when in whole-function mode. Use retrofit_block
20487 to insert new BLOCKs for the inlined function, rather than
20489 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
20490 * Makefile.in (integrate.o): Depend on loop.h.
20492 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
20494 * tree.h (warn_about_unused_variables): Declare.
20495 * stmt.c (warn_about_unused_variables): New function, split out
20497 (expand_end_bindings): Here.
20499 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
20501 * stmt.c (preserve_subexpressions_p): Don't crash when
20502 current_function->stmt is unset.
20504 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
20506 * stmt.c (expand_start_bindings): Allow callers to pass a flag
20507 indicating that no NOTE_INSN_BLOCK_BEG note is required.
20508 (expand_start_target_temps): Use it.
20509 * except.c (expand_eh_region_start_for_decl): Likewise.
20510 * expr.c (expand_expr): Likewise.
20512 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
20514 * fold-const.c (operand_equal_p): Pay attention to side effects.
20516 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
20518 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
20519 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
20521 * tlink.c (scan_linker_output): Look for keywords before accepting
20522 a mangled name in quotes.
20524 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
20526 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
20527 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
20529 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
20531 * alpha.md: Revert Thu Nov 26 change that came in through the
20532 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
20533 Avoid earlyclobber when possible.
20535 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20537 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
20539 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
20540 Define HAVE_ON_EXIT.
20542 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20544 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
20545 CTYPE_CONV in all ctype macros.
20547 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
20550 * cexp.y (initialize_random_junk): Likewise.
20552 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
20554 * i370.c (handle_pragma): Likewise.
20556 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
20558 * v850.c (override_options): Likewise.
20560 * doprint.c (_doprnt): Likewise.
20562 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
20565 * fixinc/server.c (load_data): Likewise.
20567 * fold-const.c (real_hex_to_f): Likewise.
20569 * genattr.c (write_upcase, gen_attr): Likewise.
20571 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
20572 write_upcase): Likewise.
20574 * genemit.c (print_code): Likewise.
20576 * genopinit.c (gen_insn): Likewise.
20578 * genpeep.c (print_code): Likewise.
20580 * genrecog.c (print_code): Likewise.
20582 * optabs.c (init_libfuncs): Likewise.
20584 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
20586 * haifa-sched.c (sched_analyze): Keep the list of notes organized
20588 (reemit_notes): Likewise.
20590 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
20592 * ggc.h (ggc_root): Move to ggc-common.c.
20594 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
20595 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
20596 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
20597 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
20598 * ggc-common.c (ggc_root): Move from ggc.h.
20599 (roots): Declare, static.
20600 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
20601 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
20602 null or check/set mark bit.
20603 (ggc_mark_roots): New.
20604 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
20606 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
20608 * m32r.c: Include toplev.h.
20609 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
20610 (gen_compare): Rename swap_p to must_swap to match uses.
20611 Add default abort case.
20612 (m32r_output_function_epilogue): Remove unused variables.
20613 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
20614 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
20615 define to empty parameter list. Update all uses.
20616 (predicate decls): Use enum machine_mode not int.
20617 * m32r.md (movsi): Call abort, not fatal_insn.
20618 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
20620 1999-09-14 Andrew Haley <aph@cygnus.com>
20622 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
20623 use $0 instead of 0.
20625 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20627 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
20628 computation out of loop over hard regs.
20630 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
20632 * function.c (identify_blocks): Don't shadow a variable in an
20634 * integrate.c (integrate_decl_tree): Don't use pushlevel,
20635 pushdecl, or poplevel to build up the new BLOCK tree.
20636 (expand_inline_function): Likewise.
20637 (integrate_parm_decls): Likewise.
20639 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
20641 * c-typeck.c (qualify_type): Merge qualifiers from both types.
20643 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
20645 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
20646 * invoke.texi: Document this change.
20648 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
20650 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
20652 (mark_emit_status): Renamed from mark_emit_state.
20653 * except.c (mark_eh_status): Renamed from mark_eh_state.
20654 Check not null before marking.
20655 (free_eh_status): New.
20656 * expr.c (mark_expr_status, free_expr_status): New.
20657 * function.c (free_machine_status): New.
20658 (free_after_parsing): New.
20659 (free_after_compilation): Move bits to free_after_parsing; call
20660 free_eh_status, free_expr_status; zero the marked members of the
20662 (prepare_function_start): No can_garbage_collect.
20663 Call init_eh_for_function.
20664 (expand_dummy_function_end): Free up current_function state.
20665 (mark_function_status): Renamed from mark_function_state.
20666 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
20667 * function.h (struct function): No can_garbage_collect.
20668 (free_machine_status, free_after_parsing): Declare.
20669 (free_eh_status, free_expr_status): Declare.
20670 * ggc.h (mark_expr_status): Declare.
20671 * stmt.c (free_stmt_status): Free the struct.
20672 (mark_stmt_status): Renamed from mark_stmt_state.
20673 (init_stmt): Don't call init_eh.
20674 (init_stmt_for_function): Don't call init_eh_for_function.
20675 * toplev.c (compile_file): Call init_eh.
20676 (rest_of_compilation): Free basic block info before ggc_collect.
20677 Call free_after_parsing; conditionally call free_after_compilation.
20678 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
20679 Check not null before marking.
20680 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
20682 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
20684 * c-lex.c (yylex): Initialize warn.
20686 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
20688 * pa.c (emit_move_sequence): Properly set the mode of the scratch
20689 register when performing secondary reloads for the SAR register.
20691 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
20693 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
20694 (NOTE_BLOCK): New macro.
20695 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
20696 * function.h (identify_blocks): Change prototype.
20697 * function.c (identify_blocks): Simplify.
20698 (reorder_blocks): Likewise.
20699 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
20700 NOTE_INSN_BLOCK_{BEG,END}.
20701 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
20702 the list of saved notes if the note isn't a
20703 NOTE_INSN_BLOCK_{BEG,END}.
20704 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
20706 (reemit_notes): Adjust recreation of notes to reflect new saved
20708 * print-rtl.c (print_rtx): Print the address of the BLOCK when
20709 printing a block note.
20710 * stmt.c (block_vector): Remove.
20711 (find_loop_tree_blocks): Simplify.
20712 (unroll_block_trees): Likewise.
20713 * tree.h (reorder_block): Change prototype.
20715 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
20717 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
20718 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
20719 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
20720 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
20721 (atexit, exit): Simplify.
20722 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
20723 * config/lots: Remove defns of HAVE_ATEXIT.
20725 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
20727 * calls.c (precompute_arguments): Fix typo in comment.
20728 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
20731 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
20733 * dsp16xx.c (override_options): Fix typos in GC root registration.
20735 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
20737 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
20738 from config/svr4.h.
20739 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
20740 (FUNCTION_PROFILER): Redefine appropriately for Linux.
20741 (CC1_SPEC): Likewise.
20743 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20745 * genattr.c (main): Add extern prototype. Call return, not exit.
20746 * genattrtab.c (main): Likewise.
20747 * gencheck.c (main): Likewise.
20748 * gencodes.c (main): Likewise.
20749 * genconfig.c (main): Likewise.
20750 * genemit.c (main): Likewise.
20751 * genextract.c (main): Likewise.
20752 * genflags.c (main): Likewise.
20753 * gengenrtl.c (main): Likewise.
20754 * genopinit.c (main): Likewise.
20755 * genoutput.c (main): Likewise.
20756 * genpeep.c (main): Likewise.
20757 * genrecog.c (main): Likewise.
20759 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
20760 * genattrtab.c (get_insn_name): Likewise.
20761 * gencodes.c (get_insn_name): Likewise.
20762 * genconfig.c (get_insn_name): Likewise.
20763 * genemit.c (get_insn_name): Likewise.
20764 * genextract.c (get_insn_name): Likewise.
20765 * genflags.c (get_insn_name): Likewise.
20766 * genopinit.c (get_insn_name): Likewise.
20767 * genpeep.c (get_insn_name): Likewise.
20769 * gencheck.c (usage): Add static prototype.
20770 * genextract.c (print_path): Constify a char*.
20771 * genopinit.c (optabs): Likewise.
20772 * genoutput.c (operand_data, data, output_predicate_decls,
20773 compare_operands): Likewise.
20774 * genrecog.c (write_tree): Add default case in switch.
20776 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20778 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
20780 * print-rtl.c (get_insn_name): Remove prototype.
20782 * toplev.h (progname): Declare const.
20784 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
20785 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
20786 dump_sched_info, dump_local_alloc, regset_release_memory,
20787 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
20788 error_with_file_and_line, error_with_decl, error_for_asm, error,
20789 fatal, warning_with_file_and_line, warning_with_decl, warning,
20790 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
20791 Remove redundant prototypes.
20793 (notice, check_lang_option, report_file_and_line, vnotice,
20794 mark_file_stack): Add static prototype.
20795 (set_fatal_function): Add prototype.
20796 (vnotice, report_file_and_line, set_fatal_function,
20797 check_lang_option): Constify a char*.
20798 (main): Prototype. Call return, not exit.
20800 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20802 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
20804 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
20806 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
20808 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
20810 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20812 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
20813 behave as if it's zero in all cases.
20814 (expand_function_start): Adjust call to assign_parms.
20815 * tree.h (assign_parms): Adjust prototype.
20816 * objc/objc-act.c (hack_method_prototype): Adjust call to
20819 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
20821 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
20822 arg_pointer_rtx fixed if the argument pointer register is
20824 (NONZERO_BASE_PLUS_P): Likewise.
20826 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
20828 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
20829 match_insn2 to match_insn.
20830 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
20832 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
20834 * Makefile.in (USER_H): Remove va-foo.h.
20836 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
20837 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
20838 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
20839 va-spur.h,va-v850.h}: Remove.
20841 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
20843 * sparc/sparc.md (eligible_for_return_delay): New attribute.
20844 (in_return_delay): Use it instead of match_insn.
20846 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20848 * config/alpha/va_list.h (va-alpha.h): Do not include.
20849 (__gnuc_va_list): Typedef as in varargs.h.
20851 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
20853 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
20854 DECL_LIVE_RANGE_RTL.
20856 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
20858 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
20859 not NOTE_BLOCK_NUMBER.
20860 (expand_eh_region_end): Likewise.
20861 (find_exception_handler_labels): Likewise.
20862 (scan_region): Likewise.
20863 (exception_optimize): Likewise.
20864 (update_rethrow_references): Likewise.
20865 (set_insn_eh_region): Likewise.
20866 * final.c (final_scan_insn): Likewise.
20867 * flow.c (make_edges): Likewise.
20868 * integrate.c (expand_inline_function): Likewise.
20869 * print-rtl.c (print_rtx): Likewise.
20871 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
20873 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
20874 terms of builtin functions and types.
20876 * mips.c (mips_build_va_list): New.
20877 (mips_va_start, mips_va_arg): New.
20878 * mips.h (BUILD_VA_LIST_TYPE): New.
20879 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
20881 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
20882 (sh_build_va_list, sh_va_start, sh_va_arg): New.
20883 * sh.h (BUILD_VA_LIST_TYPE): New.
20884 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
20886 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
20888 * recog.h (struct recog_data): Make dup_num, operand_address_p,
20889 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
20890 (struct insn_data): Likewise with n_operands, n_dups,
20891 n_alternatives, output_format.
20892 * regclass.c (scan_one_insn): Cast n_operands to int before
20893 arithmetic inside comparison.
20895 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
20897 * toplev.c (compile_function): Unconditionally emit nop.
20899 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20901 * haifa-sched.c (actual_hazard): Move declaration of variable
20902 `this_cost' into the scope where it is used.
20904 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20906 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
20907 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
20908 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
20910 * genrecog.c (make_insn_sequence): Call memset, not bzero.
20912 * jump.c (find_insert_position): Don't declare or define unless
20913 !HAVE_conditional_arithmetic.
20914 (returnjump_p_1, delete_prior_computation): Add static prototypes.
20916 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
20918 * recog.c (offsettable_address_p): Prototype function pointer.
20919 (preprocess_constraints): Call memset, not bzero.
20921 * tree.c (tree_node_kind_names): Constify a char*. Make static.
20922 (gcc_obstack_init): Don't declare.
20923 (fix_sizetype): Add static prototype.
20924 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
20925 (tree_cons): Call memset, not bzero.
20927 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
20928 definition in macro ASM_WEAKEN_LABEL.
20929 (mark_const_hash_entry): Add static prototype.
20931 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20933 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
20935 * unroll.c (find_common_reg_term, subtract_reg_term,
20936 loop_find_equiv_value): Add static prototypes.
20937 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
20938 (copy_loop_body): Remove unreachable break statement.
20940 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
20942 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
20944 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20946 Undo some changes from the gcc2 merge:
20947 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
20948 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
20952 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
20953 * emit-rtl.c (gen_lowpart_common): Disable optimization of
20954 initialized float-int union if the value is a NaN.
20956 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
20958 * gthr-win32.h: New file.
20960 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
20961 shared as a valid attribute.
20962 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
20963 * extend.texi: Document `shared' variable attribute.
20965 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
20967 * configure.in: Handle --enable-threads on FreeBSD.
20968 * configure: Rebuit.
20970 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20972 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
20974 * configure: Rebuilt.
20976 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
20977 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
20978 Rosimildo DaSilva <rdasilva@connecttel.com>
20980 * configure.in (m68k-*-rtemscoff*): Added.
20981 * configure.in (mips64orion-*-rtems*): Converted to ELF.
20982 * configure.in (sparc-*-rtemsaout*): Added as alias for old
20983 sparc-rtems configuration.
20984 * configure.in (sparc-*-rtemself*): Added.
20985 * configure.in (sparc-*-rtems*): Now ELF not a.out.
20986 * config/i386/rtems.h: Added comment.
20987 * config/sparc/rtemself.h: New file.
20989 * configure.in (m68k-rtemself): Added.
20990 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
20991 and DWARF_DEBUGGING_INFO.
20992 * config/m68k/crti.s: New file.
20993 * config/m68k/crtn.s: New file.
20994 * config/m68k/t-crtstuff: New file.
20995 * config/m68k/rtemself.h: New file.
20997 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
20998 global ctor/dtor and C++ exception handling.
20999 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
21000 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
21002 * config/i386/t-rtems-i386: New File.
21004 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
21006 * stmt.c (expand_end_case): Return right away if the case stack is
21009 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
21011 * Makefile.in (version.c): Remove rule incorrectly brought in from
21014 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
21016 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
21017 * msdos/top.sed: Take into account a prepended $(SHELL) to
21019 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
21021 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
21023 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21025 * regmove.c (fixup_match_1): Don't change an unchanging register.
21026 (stable_but_for_p): Renamed to:
21027 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
21028 Changed all callers.
21030 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
21032 * loop.c (strength_reduce): Don't call reg_used_between_p if the
21033 insn from BL2 is after the insn from BL.
21035 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
21037 * recog.h (INSN_OUTPUT_FORMAT_*): New.
21038 (struct insn_data): Merge `template' and `outfun' into `output'.
21039 Add `output_format'.
21040 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
21041 (struct data): Remove `outfun'; add `output_format'.
21042 (name_for_index): Remove declaration.
21043 (output_insn_data): Handle output formats.
21044 (process_template): Emit the bare array for @.
21045 (gen_expand, gen_split): Set output_format to NONE.
21046 * output.h (get_insn_template): Declare.
21047 * final.c (get_insn_template): New.
21048 (final_scan_insn): Use it.
21049 * toplev.c (compile_file): Likewise.
21051 * c4x/c4x.c (c4x_process_after_reload): Likewise.
21052 * i860/i860.c (output_delayed_branch): Likewise.
21053 (output_delay_insn): Likewise.
21055 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21057 * rtl.c (obstack_alloc_rtx): Removed.
21059 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
21061 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
21063 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
21065 * i386.c (call_insn_operand): Reject const_int.
21066 (expander_call_insn_operand): Use call_insn_operand.
21068 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21070 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
21072 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
21074 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
21075 Use DImode operation.
21077 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
21079 * gcc.c: Include sys/resource.h.
21080 (report_times): New flag.
21081 (execute): If report_times is set, calculate and report the
21082 CPU time consumed by each subprocess.
21084 (rus, prus): New globals.
21085 (option_map): Add --time.
21086 (display_help): Document -time.
21087 (process_command): Set report_times if -time is given.
21088 Turn off -pipe if -time is given.
21090 * invoke.texi: Document new option -time.
21092 * configure.in: Check for getrusage. Check if we have to
21093 prototype getrusage.
21094 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
21095 * configure: Regenerate.
21096 * config.in: Regenerate.
21098 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
21100 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
21103 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
21105 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
21106 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
21107 (nan): Return _thenan_sf or _thenan_df as appropriate.
21108 (L_thenan_sf): Define _thenan_sf.
21109 (L_thenan_df): Define _thenan_df.
21111 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
21112 (DPBIT_FUNCS): Add _thenan_df.
21114 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
21116 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
21119 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21121 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
21124 (lang_specific_driver): Don't take a function pointer parameter.
21125 All callers changed.
21127 * gcc.c: Include gcc.h.
21128 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
21129 lang_specific_extra_outfiles, fatal): Don't declare.
21130 (multilib_defaults_raw): Constify.
21131 (read_specs): Call memset, rather than bzero.
21132 (main): Call return, not exit.
21133 (lookup_compiler): Call memcpy, not bcopy.
21134 (fatal): Make extern.
21136 * cppspec.c: Include gcc.h.
21137 (lang_specific_driver): Initialize variable `quote'. Constify a
21138 char*. All calls to the function pointer parameter now
21139 explicitly call `fatal'.
21141 * gccspec.c (lang_specific_driver): Include gcc.h.
21143 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
21145 * arm.c (note_invalid_constants): Use recog_data.operand_type
21148 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21150 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
21153 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
21154 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
21155 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
21156 reload_secondary_in_reload, reload_secondary_out_reload,
21157 reload_secondary_in_icode, reload_secondary_out_icode,
21158 reload_reg_rtx, reload_when_needed): Delete declarations.
21159 (struct reload): New structure.
21160 (rld): Declare new array.
21161 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
21162 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
21163 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
21164 reload_secondary_in_reload, reload_secondary_out_reload,
21165 reload_secondary_in_icode, reload_secondary_out_icode,
21166 reload_reg_rtx, reload_when_needed): Delete definitions.
21168 (whole file): Replace uses of the deleted arrays with uses of rld.
21169 * reload1.c (whole file): Replace uses of the deleted arrays with
21171 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
21172 explicit loops, not with bcopy.
21174 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
21176 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
21177 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
21178 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
21179 insn_name): Delete and consolidate into new structures.
21180 (insn_operand_predicate_fn): New.
21181 (insn_output_fn): New.
21182 (insn_gen_fn): New.
21183 (struct insn_operand_data): New.
21184 (struct insn_data): New.
21186 (OUT_FCN): Update for insn_data change.
21187 * builtins.c (expand_builtin_strlen): Likewise.
21188 (expand_builtin_memcmp): Likewise.
21189 * combine.c (make_extraction, simplify_comparison): Likewise.
21190 * cse.c (canon_reg, cse_insn): Likewise.
21191 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
21192 * expmed.c (store_bit_field, extract_bit_field): Likewise.
21193 (emit_store_flag): Likewise.
21194 * expr.c (convert_move, emit_block_move): Likewise.
21195 (clear_storage, emit_push_insn, expand_increment): Likewise.
21196 (do_store_flag): Likewise.
21197 * expr.h (GEN_FCN): Likewise.
21198 (insn_gen_function): Die.
21199 * final.c (final_scan_insn): Update for insn_data change.
21200 (output_asm_name): Likewise.
21201 * function.c (fixup_var_refs_1): Likewise.
21202 * loop.c (check_dbra_loop): Likewise.
21203 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
21204 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
21205 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
21206 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
21207 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
21208 * regmove.c (gen_add3_insn): Likewise.
21209 * reload.c (push_secondary_reload, combine_reloads): Likewise.
21210 (find_reloads, find_reloads_address_1): Likewise.
21211 (debug_reload_to_stream): Likewise.
21212 * reload1.c (emit_reload_insns, gen_reload): Likewise.
21213 * stmt.c (expand_end_case): Likewise.
21214 * toplev.c (compile_file): Likewise.
21216 * c4x/c4x.c (c4x_process_after_reload): Likewise.
21217 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
21219 * print-rtl.c (insn_name_ptr): Remove declaration.
21220 (get_insn_name): Declare.
21221 (print_rtx): Use it.
21222 * genoutput.c (insn_name_ptr): Remove.
21223 (next_operand_number): New.
21224 (struct operand_data): New.
21225 (null_operand, odata, odata_end): New.
21226 (struct data): Use struct operand_data.
21227 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
21228 (get_insn_name): Renamed from name_for_index.
21229 (output_prologue): Define NO_MD_PROTOTYPES.
21230 (output_predicate_decls): Break out from output_epilogue.
21231 Iterate over the operands list.
21232 (output_operand_data): Break out from output_epilogue. Emit
21233 just the operands list.
21234 (output_insn_data): Break out from output_epilogue. Emit just
21236 (output_epilogue): Remove.
21237 (output_get_insn_name): New.
21238 (constraints, op_n_alternatives, predicates, address_p): Die.
21239 (modes, strict_low, seen): Die.
21240 (scan_operands): Take new param `d' instead of writing to
21241 seven global variables.
21242 (compare_operands): New.
21243 (place_operands): New.
21244 (validate_insn_alternatives): Update for struct data change.
21245 (gen_insn): Don't zero or copy 7 global arrays. Update for
21246 scan_operands; call place_operands.
21247 (gen_peephole, gen_expand, gen_split): Likewise.
21248 (main): Update for new output routines.
21250 * genattr.c (insn_name_ptr): Remove.
21251 (get_insn_name): New function.
21252 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
21253 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
21254 * genrecog.c: Likewise.
21256 * alpha.md (adddi3): Make `pattern' array static.
21258 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21260 * config/c4x/c4x.h (c4x_rpts_cycles_string,
21261 c4x_cpu_version_string): Constify char *.
21262 * config/c4x/c4x.c (c4x_rpts_cycles_string,
21263 c4x_cpu_version_string): Likewise.
21265 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
21267 * tree.c (save_tree_status): Revert 10 Sep change.
21268 (restore_tree_status): Likewise. Call obstack_free with NULL
21269 before freeing the obstack proper.
21271 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
21273 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
21275 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
21276 surrounding context.
21278 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
21280 * tree.c (type_hash_canon): Put all types in the hash-table, when
21283 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
21285 * recog.h (struct recog_data, recog_data): New.
21286 (recog_foo variables): Kill.
21287 * recog.c (recog_operand, recog_operand_loc): Kill.
21288 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
21289 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
21290 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
21291 (recog_data): Define.
21292 (extract_insn): Update all recog_foo references to use recog_data.
21293 (preprocess_constraints, constrain_operands): Likewise.
21294 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
21295 * genattrtab.c (main): Likewise.
21296 * genextract.c (main): Likewise.
21297 * genoutput.c: Likewise.
21298 * genrecog.c (write_subroutine, main): Likewise.
21299 * local-alloc.c (block_alloc): Likewise.
21300 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
21301 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
21302 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
21303 * reload.c (find_reloads, find_reloads_toplev): Likewise.
21304 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
21305 (reload_cse_simplify_operands): Likewise.
21307 * arc/arc.c (arc_final_prescan_insn): Likewise.
21308 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
21309 * h8300/h8300.c (notice_update_cc): Likewise.
21310 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
21311 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
21312 * mn10200/mn10200.c (notice_update_cc): Likewise.
21313 * mn10300/mn10300.c (notice_update_cc): Likewise.
21314 * romp/romp.c (update_cc): Likewise.
21315 * sparc/sparc.c (check_pic): Likewise.
21316 * v850/v850.c (notice_update_cc): Likewise.
21318 * genemit.c (main): Don't declare recog_operand.
21320 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
21322 * ggc.h (rtvec_def): Forward declare.
21323 (tree_node): Likewise.
21324 (ggc_root): Define.
21326 (ggc_set_mark_rtx): Add prototype.
21327 (ggc_set_mark_rtvec): Likewise.
21328 (ggc_set_mark_tree): Likewise.
21329 * ggc-simple.c (ggc_root): Don't define.
21330 (roots): Don't declare.
21331 (ggc_mark_rtx): Remove.
21332 (ggc_mark_rtvec): Likewise.
21333 (ggc_mark_tree): Likewise.
21334 (ggc_mark_varray): Likewise.
21335 (ggc_mark_tree_hash_table_entry): Likewise.
21336 (ggc_mark_tree_hash_table): Likewise.
21337 (ggc_set_mart_rtx): New function.
21338 (ggc_set_mark_rtvec): Likewise.
21339 (ggc_set_mark_tree): Likewise.
21340 (ggc_add_root): Remove.
21341 (ggc_add_rtx_root): Likewise.
21342 (ggc_remove_tree_root): Likewise.
21343 (ggc_add_string_root): Likewise.
21344 (ggc_add_tree_varray_root): Likewise.
21345 (ggc_add_tree_hash_table_root): Likewise.
21346 (ggc_del_root): Likewise.
21347 (ggc_mark_rtx_ptr): Likewise.
21348 (ggc_mark_tree_ptr): Likewise.
21349 (ggc_mark_string_ptr): Likewise.
21350 (ggc_mark_tree_varray_ptr): Likewise.
21351 (ggc_mark_tree_hash_table_ptr): Likewise.
21352 * ggc-common.c: New file.
21353 * Makefile.in (OBJS): Add ggc-common.o.
21354 (ggc-common.o): List dependencies.
21356 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
21358 * cppalloc.c (xstrdup): Use memcpy.
21359 * cpperror.c (cpp_print_containing_files): Don't use
21361 * cpplib.c (conditional_skip): Set temp->lineno.
21362 (do_endif): Make error message less obscure.
21363 (if_directive_name): New function.
21364 (cpp_get_token [case EOF]): Unwind the if stack and generate
21365 error messages for each unterminated conditional in this file.
21366 (parse_string): Do not behave differently if -traditional.
21368 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
21370 * builtins.c (expand_builtin_va_arg): Cope with an array-type
21371 va_list decomposing to pointer-type.
21372 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
21373 (rs6000_va_arg): Likewise.
21375 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
21377 * except.c (start_dynamic_handler): Compute size using
21378 STACK_SAVEAREA_MODE.
21380 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21382 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
21383 include directory headers. Don't define strrchr. Don't provide
21384 my_* replacement functions. Prefer PTR over `pointer_type'.
21385 Don't prototype system functions. Don't redefine getopt.
21387 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
21388 safe_read, safe_write, save_pointers, restore_pointers,
21389 is_id_char, in_system_include_dir, directory_specified_p,
21390 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
21391 find_corresponding_lparen, referenced_file_is_newer,
21392 save_def_or_dec, munge_compile_params, gen_aux_info_file,
21393 process_aux_info_file, identify_lineno, check_source,
21394 seek_to_line, forward_to_next_token_char, output_bytes,
21395 output_string, output_up_to, other_variable_style_function,
21396 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
21397 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
21398 find_static_definition, connect_defs_and_decs, add_local_decl,
21399 add_global_decls, needs_to_be_converted, visit_each_hash_node,
21400 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
21401 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
21402 scan_for_missed_items, edit_file, string_list_cons): Add static
21404 (standard_exec_prefix, target_machine, target_version,
21405 default_syscalls_dir, string_list, string_list_cons, find_file,
21406 do_cleaning): Constify a char*.
21407 (safe_read, safe_write): Use PTR, not a char*.
21408 (is_id_char): Take an int, not a char.
21409 (main): Add prototype. Call return, not exit.
21411 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
21413 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
21414 when comparing types.
21416 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
21418 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
21419 (strength_reduce): Release the varrays from the no-bivs early exit.
21421 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
21422 the loop over the registers.
21424 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
21426 (restore_tree_status): Check that instead when freeing the obstack.
21428 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
21430 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
21433 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21435 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
21436 operand size modifiers.
21438 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21440 * c-common.c (c_common_nodes_and_builtins): Don't build
21442 * c-common.h (enum c_tree_index and related accesor macros): Remove
21443 everything now declared in tree.h.
21444 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
21445 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
21446 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
21447 (error_mark_node, void_type_node, char_type_node, integer_type_node,
21448 unsigned_type_node, ptr_type_node, va_list_type_node,
21449 integer_zero_node, null_pointer_node, integer_one_node): Delete.
21450 (init_decl_processing): Call build_common_tree_nodes and
21451 build_common_tree_nodes_2 instead of building their nodes here.
21452 Don't add roots for these nodes.
21453 * stor-layout.c (size_zero_node, size_one_node): Delete.
21454 (set_sizetype): Make a new node for bitsizetype each time.
21455 * tree.c (global_trees): New variable.
21456 (init_obstacks): Add a gc root for it.
21457 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
21458 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
21459 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
21460 (build_common_tree_nodes): New function.
21461 (fix_sizetype): New function.
21462 (build_common_tree_nodes_2): New function.
21463 * tree.h (enum tree_index): New.
21464 (global_trees): Declare.
21465 Add accessor macros for all nodes now moved to global_trees.
21466 Delete their declarations.
21468 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
21470 * c-decl.c (finish_function): When processing a nested function,
21471 push and pop GC context around rest_of_compilation.
21473 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
21475 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
21476 Default ix86_arch to PROCESSOR_I386.
21477 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
21478 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
21479 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
21480 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
21481 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
21482 (EXTRA_SPECS): Remove deleted specs.
21484 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
21486 * function.c (assign_stack_local_1): Allocate from
21487 function->x_frame_offset, not frame_offset.
21489 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
21491 * ggc.h (lang_cleanup_tree): Remove.
21492 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
21493 * ggc-callbacks.c (lang_cleanup_tree): Remove.
21495 * c-decl.c (finish_struct): Use ggc_alloc to allocate
21496 TYPE_LANG_SPECIFIC when garbage collecting.
21497 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
21498 (lang_cleanup_tree): Remove.
21500 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
21502 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
21503 * crtstuff.c: Not here.
21504 * dwarf2out.c: Or here.
21505 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
21508 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
21510 * function.h (free_after_compilation): Remove decl parameter.
21511 (free_varasm_status0: Likewise.
21512 (free_emit_status): Likewise.
21513 (free_stmt_status): Likewise.
21514 (free_after_compilation): Likewise.
21515 (init_lang_status): New variable.
21516 (free_lang_status): Likewise.
21517 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
21518 * function.c (init_lang_status): New variable.
21519 (free_lang_status): Likewise.
21520 (push_function_context_to): Don't set function::decl here.
21521 (free_after_copmilation): Make decl parameter implicit. Call
21522 free_lang_status if defined.
21523 (prepare_function_start): Call init_lang_status if defined.
21524 (init_function_start): Set function::decl here.
21525 * profile.c (output_func_start_profiler): Don't call pushdecl
21526 until we've actually started the function.
21527 * stmt.c (free_stmt_status): Make decl parameter implicit.
21528 * toplev.c (rest_of_compilation): Don't pass decl to
21529 free_after_compilation.
21530 * varasm.c (free_varasm_status): Likewise.
21532 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21534 * except.c (call_get_eh_context): Add root when allocating static
21537 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
21539 * arm.c: Include "ggc.h".
21540 (arm_add_gc_roots): New function.
21541 (arm_override_options): Call it.
21542 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
21544 * arm.md (define_asm_attributes): Add a pool_range attribute.
21546 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
21548 * extend.texi (Volatiles): New node.
21550 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
21552 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
21553 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
21554 (struct ggc_any): Replace `mark' with `magic_mark'.
21555 (ggc_alloc_string): Use memcpy, not bcopy.
21556 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
21557 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
21558 (ggc_free_any): New.
21559 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
21560 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
21561 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
21562 Use IS_MARKED. Use ggc_free_any.
21564 1999-09-09 Scott Bambrough <scottb@netwinder.org>
21566 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
21568 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
21570 * toplev.c (main): Always init_ggc.
21572 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
21574 * except.c (find_all_handler_type_matches): Free the list if
21575 we found no matches.
21577 * combine.c (SUBST): Break out to a real function do_SUBST.
21578 (SUBST_INT): Likewise.
21579 * gcse.c (free_pre_mem): Free `temp_bitmap'.
21580 (pre_insert): Free `inserted'.
21581 * loop.c (basic_induction_var): Always set `location'.
21583 * function.c (expand_function_end): Add initial_trampoline as a root.
21584 * rtl.h (init_varasm_once): Declare.
21585 * toplev.c (compile_file): Call it.
21586 * ggc-simple.c (ggc_mark_string_ptr): New.
21587 (ggc_add_string_root): New.
21588 (ggc_collect): Disable collection avoidance temporarily.
21589 * ggc.h (ggc_add_string_root): Declare.
21590 * except.c (create_rethrow_ref): Use ggc_alloc_string.
21591 * optabs.c (init_libfuncs): Likewise.
21592 * varasm.c (named_section): Use ggc_alloc_string.
21593 (make_function_rtl): Likewise.
21594 (make_decl_rtl): Likewise.
21595 (assemble_static_space): Likewise.
21596 (assemble_trampoline_template): Likewise.
21597 (output_constant_def): Likewise.
21598 (force_const_mem): Likewise.
21599 (mark_const_hash_entry): New.
21600 (mark_pool_sym_hash_table): New.
21601 (mark_varasm_state): Use it.
21602 (init_varasm_once): New.
21604 * expr.h (init_one_libfunc): Declare.
21605 * optabs.c (init_one_libfunc): New.
21606 (init_optabs): Use it.
21607 * config/gofast.h: Likewise.
21608 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
21609 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
21611 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
21613 * Makefile.in (cppexp.o): Depend on cpphash.h.
21614 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
21616 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
21617 * cpplib.c (do_define): Generalise to handle poisoned definitions,
21618 redefining poisoned identifiers, etc.
21619 (do_undef): Don't allow poisoned identifiers to be undefined.
21620 (do_pragma): Add #pragma poison.
21621 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
21623 * cccp.c: Add T_POISON node type.
21624 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
21626 (do_define): Generalise to handle poisoned definitions,
21627 redefining poisoned identifiers, etc.
21628 (do_undef): Don't allow poisoned identifiers to be undefined.
21629 (do_pragma): Add #pragma poison.
21630 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
21632 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
21633 * c-pragma.h: Add ps_poison state. We now always have generic
21636 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
21638 * ggc.h (ggc_alloc): New function.
21639 (ggc_mark): Likewise.
21640 * ggc-simple.c (ggc_any): New structure.
21641 (ggc_status): Add anys.
21642 (n_anys_collected): New variable.
21643 (ggc_alloc): Define.
21644 (ggc_mark): Likewise.
21645 (ggc_collect): Collect the anys.
21647 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21649 * c-decl.c (mark_binding_level): Make static to match prototype.
21651 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
21653 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
21655 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
21657 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
21658 will use into account. Expand the max width to 5.
21661 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
21663 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
21664 for the rtx length.
21666 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
21668 * alpha.md (call value patterns): Remove the result predicates.
21670 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
21672 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
21675 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21677 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
21678 changed from extern char *, to extern PTR. Also fix typo in
21679 NEED_DECLARATION_REALLOC test.
21681 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
21683 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21685 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
21686 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
21687 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
21688 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
21690 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
21692 * cccp.c (pcfinclude): Likewise.
21694 * global.c (allocno_compare): Likewise.
21696 * haifa-sched.c (rank_for_schedule): Likewise.
21698 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
21700 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
21702 * stupid.c (stupid_reg_compare): Likewise.
21704 * tree.c (_obstack_allocated_p): Likewise.
21706 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
21708 1999-09-08 Bruce Korb autogen@linuxbox.com
21710 * Makefile.in: Give the hapless gperf user a hint about
21711 why "gperf -F" fails.
21713 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
21715 * lists.c: Include ggc.h.
21717 (init_EXPR_INSN_LIST_cache): Install it.
21719 * ggc-simple.c (init_ggc): Absorb the old init.
21720 (ggc_push_context): Use xcalloc.
21721 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
21722 (ggc_collect): Add [rvts] tags to the collection stats.
21724 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
21726 * cccp.c (main): Fix handling of -include and -imacros options.
21728 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
21730 * cpplib.c (cpp_push_buffer): Fix order of arguments.
21732 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21734 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
21737 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21739 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
21740 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
21741 and SET_DEST. Update comment.
21743 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21745 * config/c4x/c4x.c: Include ggc.h.
21746 (c4x_add_gc_roots): New function.
21747 (c4x_override_options): Call c4x_add_gc_roots.
21749 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
21751 * defaults.h (TARGET_ESC): Move ...
21752 * system.h: ... here, where Linas had it in the first place. Silly me.
21754 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
21756 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
21757 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
21758 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
21759 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
21760 * defaults.h (TARGET_ESC): Add default.
21762 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
21764 * configure.in: add i370-*-openedition, i370-*-mvs and
21765 i370-*-linux targets
21767 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
21769 * dsp16xxx.c: Include ggc.h
21770 (override_options): Mark GC roots.
21771 * mn10200.c: Include ggc.h.
21772 (asm_file_start): Mark GC roots.
21773 * tahoe.c: Include ggc.h.
21774 (extensible_operand): Mark GC roots.
21776 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
21778 * README: Add section discussing status of ELF ABI.
21779 * i370.c: Fix misc spelling mistakes.
21780 (i370_label_scan): Updated notes, exception handling.
21781 (i370_function_prolog): Simplify ELF stack handling.
21782 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
21783 (STACK_GROWS_DOWNWARD): ELF stack grows down.
21784 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
21785 * i370.md: (movdi): Add notes.
21786 (floatsidf2): Use stack not rtca for scratch float area.
21787 (iorsi3): Correct operand constraints.
21788 * x-oe: Restore TAROUTOPTS which are used by pax.
21790 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
21792 * rs6000.c: Include ggc.h.
21793 (rs6000_add_gc_roots): New function.
21794 (override_options): Call it.
21796 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
21798 * alpha.h (alpha_compare): New.
21799 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
21800 * alpha.c: Likewise for the definitions.
21801 (alpha_emit_conditional_branch): Update for alpha_compare.
21802 (alpha_emit_conditional_move): Likewise.
21803 * alpha.md (cmpdf, cmpdi): Likewise.
21804 (setcc patterns): Likewise. Zero alpha_compare after use.
21805 (sne): Optimize (x != 0) into (0U < x).
21807 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
21809 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
21810 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
21811 (INIT_EXPANDERS): Remove.
21812 * alpha.c: Include ggc.h.
21813 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
21814 (alpha_init_machine_status, alpha_mark_machine_status): New.
21815 (override_options): Install them.
21816 (struct machine_function): Moved to alpha.h.
21817 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
21818 (alpha_init_expanders): Remove.
21819 (alpha_return_addr): Adjust to use current_function->machine.
21820 (alpha_ra_ever_killed): Likewise.
21821 (alpha_expand_epilogue): Likewise.
21822 * alpha.md (eh_epilogue): Likewise.
21824 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
21825 Melissa O'Neill <oneill@cs.sfu.ca>
21826 Geoffrey Keating <geoffk@cygnus.com>
21828 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
21829 call-used registers (call-saved registers must still be contiguous
21830 and end with r31, of course).
21832 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
21834 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
21835 (self_promoting_type_p): Delete.
21836 (self_promoting_args_p): Move ...
21837 * c-common.c: ... here.
21838 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
21839 (simple_type_promotes_to): New.
21840 * builtins.c (lang_type_promotes_to): New.
21841 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
21842 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
21843 * c-common.h: ... here.
21844 (self_promoting_args_p, simple_type_promotes_to): Declare.
21845 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
21846 (grokdeclarator): Likewise.
21847 * tree.h (lang_type_promotes_to): Declare.
21849 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
21851 Add some machine-dependent GC roots.
21852 * sparc.c: Include ggc.h.
21853 (sparc_add_gc_roots): New function.
21854 (mark_ultrasparc_pipeline_state): Likewise.
21855 (override_options): Call sparc_add_gc_roots.
21856 * pa.c: Include ggc.h.
21857 (pa_add_gc_roots): New function.
21858 (mark_deferred_plabels): Likewise.
21859 (override_options): Call pa_add_gc_roots.
21860 * mips.c: Include ggc.h.
21861 (mips_add_gc_roots): New function.
21862 (override_options): Use it.
21864 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21866 * cpperror.c (cpp_file_line_for_message): Constify a char*.
21868 * cppexp.c (parse_number, parse_charconst, cpp_lex,
21869 cpp_parse_expr): Add static prototypes.
21870 (parse_charconst): Don't cast away const-ness.
21871 (token): Constify a char*.
21873 * cppfiles.c (file_name_list, include_hash, find_include_file,
21874 finclude, initialize_input_buffer): Constify a char*.
21875 (file_cleanup, find_position): Add static prototypes.
21877 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
21878 collect_expansion): Add static prototypes.
21879 (cpp_install, create_definition, monthnames): Constify a char*.
21881 * cpphash.h (cpp_install): Likewise.
21883 * cppinit.c (known_suffixes, default_include,
21884 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
21885 (base_name, dump_special_to_buffer, initialize_dependency_output):
21886 Add static prototypes.
21888 * cpplib.c (my_strerror): Constify a char*.
21889 (null_underflow, null_cleanup, skip_comment, copy_comment,
21890 copy_rest_of_line, handle_directive, pass_thru_directive,
21891 get_directive_token, read_line_number, cpp_print_file_and_line,
21892 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
21893 v_cpp_warning_with_line, detect_if_not_defined,
21894 consider_directive_while_skipping): Add static prototypes.
21895 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
21896 cpp_pedwarn_with_file_and_line): Constify a char*.
21898 * cpplib.h (cpp_options, include_hash, progname, definition,
21899 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
21900 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
21901 find_include_file, deps_output, include_hash): Constify a char*.
21903 * cppmain.c (progname): Constify.
21904 (main): Add prototype. Use return, not exit.
21906 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
21907 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
21908 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
21909 check_protection): Add static prototype.
21911 (progname, recognized_macrom, recognized_extern): Constify a char*.
21912 (main): Add prototype.
21914 * gen-protos.c (progname): Constify a char*.
21916 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
21918 * emit-rtl.c (free_emit_status): Take decl as a parameter.
21919 (init_emit_once): Add more GC roots.
21920 * except.c (mark_func_eh_entry): New function.
21921 (mark_eh_node): Mark false_label and rethrow_label.
21922 (init_eh): Add more GC roots.
21923 * function.c (free_after_compilation): Take decl as a paramter.
21924 Call free_stmt_status.
21925 (mark_function_state): Don't assume x_parm_reg_stack_loc is
21927 * function.h (free_after_compilation): Change prototype.
21928 (free_varasm_status): Likewise.
21929 (free_emit_status): Likewise.
21930 (free_stmt_status): New function.
21931 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
21932 Remove, replacing with ...
21933 (ggc_status): New structure.
21934 (ggc_chain): New variable.
21935 (init_gcc): Define.
21936 (ggc_push_context): New function.
21937 (ggc_pop_context): Likewise.
21938 (ggc_alloc_rtx): Adjust for use of ggc_chain.
21939 (ggc_alloc_rtvec): Likewise.
21940 (ggc_alloc_tree): Likewise.
21941 (ggc_alloc_string): Likewise.
21942 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
21943 (ggc_mark_tree): Give language-dependent code a chance to mark
21945 (ggc_mark_tree_varray): Handle empty arrays.
21946 (ggc_collect): Adjust for use of ggc_chain. Clear
21947 bytes_alloced_since_last_gc.
21948 * ggc.h (ggc_pop_context): New function.
21949 (ggc_push_context): Likewise.
21950 * print-tree.c (print_node): Don't print obstacks when GC'ing.
21951 * stmt.c (free_stmt_status): New function.
21952 (init_stmt_for_function): Clear last_expr_value.
21953 * toplev.c (rest_of_compilation): Always call free_after_compilation.
21954 Conditionalize call to ggc_collect.
21955 (main): Call init_ggc.
21956 * tree.c (push_obstacks): Do the push, even when GC'ing.
21957 (push_obstacks_nochange): Likewise.
21958 (pop_obstacks): Liekwise.
21959 * varasm.c (free_varasm_status): Take decl as a parameter.
21961 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
21963 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
21964 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
21965 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
21966 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
21968 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
21970 * pa/x-pa-mpeix: New file for the MPE port.
21972 * pa/quadlib.asm: New file for long double support.
21974 * configure.in: Add hppa1.0-*-mpeix for MPE port.
21975 * configure: Rebuilt.
21977 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
21979 * final.c (shorten_branches): Fix last change.
21981 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
21983 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
21985 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
21987 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
21990 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21992 * c-aux-info.c (concat): Don't define.
21994 * cccp.c (my_strerror): Likewise. All callers changed to use
21996 (do_include): Call xstrdup, not xmalloc/strcpy.
21997 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
21998 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
22000 * collect2.c (my_strsignal): Likewise. All callers changed to use
22002 (locatelib): Call xstrdup, not xmalloc/strcpy.
22004 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
22006 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
22008 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
22010 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
22012 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
22014 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
22016 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
22018 (find_all_handler_type_matches): Likewise. Don't check return
22020 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
22021 xmalloc, not malloc.
22022 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
22024 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
22025 (init_spec): Call xcalloc, not xmalloc/bzero.
22026 (set_spec): Call xstrdup, not save_string.
22027 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
22028 (find_a_file): Call xstrdup, not xmalloc/strcpy.
22029 (process_command): Call xstrdup, not save_string.
22030 (main): Call xcalloc, not xmalloc/bzero.
22032 * gcov.c (xmalloc): Don't define.
22033 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
22034 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
22035 (output_data): Call xcalloc, not xmalloc/bzero.
22037 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
22039 * mips-tdump.c (xmalloc): Don't define.
22040 (print_symbol): Call xmalloc, not malloc.
22041 (read_tfile): Call xcalloc, not calloc.
22043 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
22044 Don't define. All callers of xfree/my_strsignal changed to use
22045 free/strsignal instead.
22046 (allocate_cluster): Call xcalloc, not calloc.
22048 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
22049 Fix memory leak, free allocated memory.
22051 * prefix.c (translate_name): Call xstrdup, not save_string.
22052 (update_path): Likewise.
22054 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
22056 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
22057 Don't define. Callers of xfree/savestring2 changed to use
22058 free/concat instead.
22060 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
22061 (init_elim_table): Likewise.
22063 * resource.c (init_resource_info): Likewise.
22065 * stupid.c (stupid_life_analysis): Likewise.
22067 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
22068 (open_dump_file): Call concat, not xmalloc/strcpy/...
22069 (clean_dump_file): Likewise.
22070 (compile_file): Call xstrdup, not xmalloc/strcpy.
22072 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
22074 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
22075 * v850.c (v850_va_arg): New.
22077 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22079 * haifa-sched.c: Tidy comments.
22081 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22083 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
22084 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
22085 $(out_object_file)): Depend on ggc.h.
22086 * c-common.c: Include "ggc.h".
22087 (combine_strings): If doing GC, use ggc_alloc_string.
22088 * c-decl.c: Include "ggc.h".
22089 (ggc_p): Define with value 0.
22090 (mark_binding_level): New function.
22091 (init_decl_processing): Add GC roots.
22092 (mark_c_function_context): New function.
22093 (lang_mark_false_label_stack): New function.
22094 (lang_mark_tree): New function.
22095 (lang_cleanup_tree): New function.
22096 * c-lang.c: Include "ggc.h".
22097 (lang_init): Call c_parse_init.
22098 * c-lex.c: Include "ggc.h".
22099 (check_linenum): If doing GC, don't copy filenames to permanent
22101 * c-parse.in: Include "ggc.h".
22102 (c_parse_init): New function.
22103 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
22104 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
22106 * except.c (mark_eh_state): Mark more state.
22107 * function.c (mark_function_state): Likewise.
22108 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
22109 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
22110 * toplev.c (mark_file_stack): New function.
22111 (compile_file): If doing GC, use ggc_alloc_string on input filename.
22112 (main): Add root for input_file_stack.
22114 * i386.c: Include "ggc.h".
22115 (ix86_mark_machine_status): New function.
22116 (override_options): Set mark_machine_status.
22118 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22120 * tree.c (copy_node): Copy node contents also if doing GC.
22122 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22124 * collect2.c (scan_libraries): Fix double-thinko :-).
22126 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
22128 * collect2.c (scan_libraries): Fix thinko.
22130 * cse.c (delete_trivially_dead_insns): Do not skip the last
22131 insn if it is a real insn.
22133 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
22135 * Makefile.in (ggc-simple.o): Depend on hash.h.
22136 * ggc.h (ggc_add_tree_hash_table_root): Declare.
22137 (ggc_mark_tree_varray): Likewise.
22138 (ggc_mark_tree_hash_table): Likewise.
22139 * ggc-simple.c: Include hash.h.
22140 (ggc_mark_tree_hash_table_ptr): New function.
22141 (ggc_mark_tree_hash_table_entry): Likewise.
22142 (ggc_mark_tree_hash_table): Likewise.
22143 (ggc_add_tree_hash_table_root): Likewise.
22144 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
22145 rtx, when defining fields.
22147 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
22149 * profile.c (output_func_start_profiler): Remove apparently
22150 nonsensical call to start_sequence.
22152 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
22154 * clipper/clipper.c (clipper_va_start): Fix typos.
22156 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
22157 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
22158 (spur_va_arg): New stub.
22160 * configure.in: Comment out pyramid.
22162 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
22164 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
22165 don't conflict with the bits that win32, cygwin, and dgux
22168 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
22169 Bernd Schmidt <bernds@cygnus.co.uk>
22171 * integrate.c (function_cannot_inline_p): Do not inline
22172 functions with forced labels.
22174 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
22175 Bernd Schmidt <bernds@cygnus.co.uk>
22176 Mark Mitchell <mark@codesourcery.com>
22178 * Makefile.in (ggc-simple.o): Depend on varray.h.
22179 (rtl.o): Depend on ggc.h.
22180 (genattrtab.o): Depend on ggc.h.
22181 (print-tree.o): Likewise.
22182 (fold-const.o): Likewise.
22183 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
22184 (make_insn_raw): Don't cache insns when GC'ing.
22185 (emit_insn_before): Likewise.
22186 (emit_insn_after): Likewise.
22187 (emit_insn): Likewise.
22188 (start_sequence): Use xmalloc to allocate the sequence_stack.
22189 (end_sequence): Add free to free it.
22190 (gen_sequence): Don't cache insns when GC'ing.
22191 (clear_emit_caches): Don't use sequence_element_free_list.
22192 (init_emit): Use xcalloc, not xmalloc+bzero.
22193 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
22194 * function.c (pop_function_context_from): Use free to free the
22195 fixup_var_refs_queue.
22196 (put_reg_into_stack): Allocate it with xmalloc.
22197 * genattrtab.c: Include ggc.h.
22198 (operate_exp): Don't use obstack_free when GC'ing.
22199 (simplify_cond): Likewise.
22200 (simplify_text_exp): Likewise.
22201 (optimize_attrs): Likewise.
22202 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
22204 (gencode): Generate a #include for ggc.h.
22205 * ggc-callbacks.c (ggc_p): Define it to zero.
22206 * ggc-none.c (ggc_p): Likewise.
22207 * ggc-simple.c: Include varray.h.
22208 (ggc_mark_tree_varray): New function.
22209 (ggc_add_tree_varray_root): Likewise.
22210 (ggc_mark_tree_varray_ptr): Likewise.
22211 * ggc.h (ggc_p): Declare.
22212 (varray_head_tag): Likewise.
22213 (ggc_add_tree_varray_root): Declare.
22214 * print-tree.c (print_node): Don't check for TREE_PERMANENT
22215 inconsistencies when GC'ing.
22216 * rtl.c: Include ggc.h.
22217 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
22218 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
22219 (rtx_free): Don't call obstack_free when GC'ing.
22220 * toplev.c (rest_of_compilation): Call ggc_collect after every
22222 * tree.c (push_obstacks): Do nothing, if GC'ing.
22223 (pop_obstacks_nochange): Likewise.
22224 (pop_obstacks): Likewise.
22225 (make_node): Use ggc_alloc_tree when GC'ing.
22226 (copy_node): Likewise.
22227 (get_identifier): Use ggc_alloc_string when GC'ing.
22228 (build_string): Likewise.
22229 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
22230 (tree_cons): Likewise.
22231 (build1): Likewise.
22232 (type_hash_canon): Don't call obstack_free when GC'ing.
22234 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
22236 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
22237 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
22239 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
22240 Bernd Schmidt <bernds@cygnus.co.uk>
22241 Mark Mitchell <mark@codesourcery.com>
22243 * Makefile.in (stor-layout.o): Depend on ggc.h.
22244 (expr.o): Depend on ggc.h.
22245 (profile.o): Depend on ggc.h.
22246 (stor-layout.o): Depend on ggc.h.
22247 * emit-rtl.c (init_emit_once): Add gc roots.
22248 * expr.c: Include ggc.h.
22249 (emit_block_move): Add gc roots.
22250 (clear_storage): Likewise.
22251 * expr.h (init_stor_layout_once): New function.
22252 * profile.c: Include ggc.h.
22253 (init_arc_profiler): profiler_label is a root.
22254 * scan.c (make_sstring_space): Trust xrealloc to function
22255 correctly with first parameter NULL.
22256 * stor-layout.c: Include ggc.h.
22257 (set_sizetype): Add gc root.
22258 (init_stor_layout_once): New function.
22259 * toplev.c (compile_file): Call it.
22261 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
22262 Bernd Schmidt <bernds@cygnus.co.uk>
22263 Mark Mitchell <mark@codesourcery.com>
22265 * Makefile.in (tree.o): Depend on ggc.h.
22266 (varasm.o): Likewise.
22267 (function.o): Likewise.
22268 (stmt.o): Likewise.
22269 (except.o): Likewise.
22270 (optabs.o): Likewise.
22271 (emit-rtl.o): Likewise.
22272 * emit-rtl.c: Include ggc.h.
22273 (sequence_element_free_list): Remove, and all references.
22274 (mark_sequence): New functions.
22275 (mark_emit_state): New function.
22276 * except.c: Include ggc.h.
22277 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
22278 (mark_tree_label_node): New functions.
22279 (mark_eh_state): New function.
22280 * function.c: Include ggc.h.
22281 (mark_temp_slot, mark_function_chain): New functions.
22282 (mark_function_state): New function.
22283 (init_function_once): New function.
22284 * function.h (init_function_once): New function.
22285 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
22286 * ggc.h (label_node): Declare.
22287 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
22288 (lang_mark_false_label_stack): New function.
22289 (mark_temp_slot): Remove declaration.
22290 (mark_function_chain): Likewise.
22291 (mark_eh_state): Adjust prototype.
22292 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
22294 * optabs.c: Include ggc.h.
22295 (mark_optab): New function.
22296 (init_optabs): Add gc roots.
22297 * stmt.c: Include ggc.h.
22298 (mark_cond_nesting, mark_loop_nesting): New functions.
22299 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
22300 (mark_stmt_state): New function.
22301 * toplev.c (compile_file): Call init_function_once.
22302 * tree.c: Include ggc.h.
22303 (type_hash): Move declaration earlier in file.
22304 (TYPE_HASH_SIZE, type_hash_table): Likewise.
22305 (init_obstacks): Add gc roots.
22306 (mark_type_hash): New function.
22307 * varasm.c: Include ggc.h.
22308 (mark_pool_constant): New function.
22309 (mark_varasm_state): New function.
22311 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22313 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
22315 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22317 * c-decl.c (struct language_function): Renamed from struct c_function.
22319 (c_function_chain): Delete.
22320 (push_c_function_context): New arg F. Don't warn about nested
22321 functions here. Fill LANGUAGE elt of F. Delete code to update
22322 c_function_chain. Don't call push_function_context.
22323 (pop_c_function_context): New arg F. Restore from there instead of
22324 from c_function_chain. Don't call pop_function_context. Clear out
22325 LANGUAGE field of F when done.
22326 * c-lang.c: Include "function.h"
22327 (lang_init): Initialize save_lang_status and restore_lang_status.
22328 * c-parse.in (nested_function, nested_function_notype): Warn about
22329 nested functions. Call push_function_context/pop_function_context
22330 instead of the _c_ variants.
22331 * c-tree.h (push_c_function_context, pop_c_function_context): Update
22333 * Makefile.in (c-lang.o): Update dependencies.
22335 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
22336 regno_pointer_flag, regno_pointer_align.
22337 (gen_reg_rtx): Use xrealloc to enlarge them.
22338 (free_emit_status): New function.
22339 * function.c (mark_machine_status, mark_lang_status): New variables.
22340 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
22341 in some bits from assign_stack_local. All callers changed to use new
22343 (assign_stack_local): Just call assign_stack_local_1.
22344 (free_after_compilation): New function.
22345 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
22346 (trampoline_address): Likewise.
22347 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
22348 (prepare_function_start): Explicitly clear some more variables.
22349 * function.h (struct function): New elt can_garbage_collect.
22350 (mark_machine_status, mark_lang_status): Declare variables.
22351 (free_after_compilation, free_emit_status, free_varasm_status,
22352 init_varasm_status): Declare functions.
22353 * toplev.c (rest_of_compilation): Call free_after_compilation when
22354 done with the current function.
22355 * varasm.c (free_varasm_status): New function.
22357 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
22359 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
22360 (EXPAND_BUILTIN_VA_ARG): Define.
22361 * sparc.c (sparc_va_start): New.
22362 (sparc_va_arg): New.
22364 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22366 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
22368 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22370 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
22372 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
22374 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
22375 (OBJS): Add $(GGC).
22376 (ggc-callbacks.o): New target.
22377 * ggc-callbacks.c: New file.
22379 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22381 * expr.h: Collapse individual optab and libfunc vars to arrays.
22382 (optab_index, libfunc_index): New enumerations.
22383 (optab_table, libfunc_table): New arrays.
22384 Add accessor macros for both.
22386 * optabs.c (optab_table, libfunc_table): New.
22387 Delete declarations for individual optab and libfunc vars.
22389 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
22391 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
22393 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
22395 * Makefile.in (GGC, GGC_LIB): New.
22396 (HOST_RTL): Include ggc-none.o.
22397 (ggc-simple.o): New target.
22398 (ggc-none.o): Likewise.
22399 * tree.h (tree_common): Add gc_mark.
22400 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
22401 (struct rtvec_def): Add gc_mark.
22402 * emit-rtl.c (global_rtl): Update static initializers to contain
22403 enough initializers.
22404 * ggc.h, ggc-none.c, ggc-simple.c: New files.
22405 * toplev.c (gc_time): New variable.
22406 (all_time): New variable.
22407 (compile_file): Print gc time.
22408 (print_time): Calculate percentage of the whole.
22410 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22412 Change obstack memory management and varasm constant pool handling so
22413 that nested functions are treated like any other functions.
22414 * function.c (init_machine_status): New variable.
22415 (push_function_context_to): Set contains_functions for the outer
22416 function. Don't call save_varasm_status.
22417 (pop_function_context_from): Don't call restore_varasm_status. Don't
22418 set current_function_contains_functions.
22419 (prepare_function_start): Call init_varasm_status rather than
22420 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
22422 * function.h (struct function) Add field varasm. Delete fields
22423 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
22424 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
22425 (init_machine_status): Declare.
22426 (save_varasm_status, restore_varasm_status): Delete declarations.
22427 (save_tree_status, restore_tree_status): Delete last argument.
22428 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
22429 code. All callers changed.
22430 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
22431 save_constants_in_decl_trees, restore_constants, save_constants,
22432 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
22434 (inlining): New variable.
22435 (reg_map, label_map, insn_map, orig_asm_operands_vector,
22436 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
22438 (save_for_inline_nocopy): Don't save constants.
22439 Don't set inl_emit field in current_function.
22440 (expand_inline_function): Use emit field, not inl_emit, of the inlined
22441 function. Set new variable inlining before
22442 calling copy_rtx_and_substitute.
22443 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
22444 constant pool references if inlining is nonzero.
22445 Delete ADDRESS and (most of the) CONST cases.
22446 (output_inline_function): Save and restore current_function/
22447 current_function_decl. Delete restore_constants code. Don't call
22448 init_const_rtx_hash_table.
22449 * output.h (init_const_rtx_hash_table): Don't declare.
22450 * rtl.h (struct function): Declare.
22451 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
22452 * toplev.c (rest_of_compilation): Don't treat nested functions or
22453 functions containing them specially. Delete all code to deal with
22454 save_for_inline_copying.
22455 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
22456 inline_obstacks): Delete variables.
22457 (save_tree_status): Lose arg CONTEXT. All callers changed.
22458 Simply allocate a new function_maybepermanent_obstack for the new
22459 function, delete all the special cases.
22460 Don't save inline_obstacks.
22461 (restore_tree_status): Lose arg CONTEXT. All callers changed.
22462 Delete special handling for function_maybepermanent_obstack; simply
22464 Don't restore inline_obstacks.
22465 (permanent_allocation): Delete code that frees inline_obstacks.
22466 (print_inline_obstack_statistics): Delete function.
22467 (dump_tree_statistics): Don't call it.
22468 * varasm.c (struct varasm_status): New.
22469 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
22470 last_pool, pool_offset, const_double_chain): Delete global
22471 variables, replace with accessor macros.
22472 (immed_double_const): Don't walk const_double_chain outside a
22473 function, but don't treat nested functions specially anymore.
22474 (immed_real_const_1): Likewise.
22475 (clear_const_double_mem): Don't treat nested functions specially.
22476 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
22477 (save_varasm_status, restore_varasm_status): Delete functions.
22478 (init_varasm_status): New function.
22479 (force_const_mem): Don't treat nested functions specially.
22480 (find_pool_constant): Accept new arg F, search for constants in
22481 that function's pool rather than the current one. All callers
22483 (get_pool_constant_for_function, get_pool_mode_for_function): New
22486 * i386.c (init_386_machine_status): New function, mostly from
22487 clear_386_stack_locals.
22488 (struct machine_functions): Rename element names to avoid name
22490 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
22491 macros, replacing global variables.
22492 (clear_386_stack_locals, save_386_machine_status,
22493 restore_386_machine_status): Delete functions.
22494 (override_options): Initialize init_machine_status.
22495 * i386.h (INIT_EXPANDERS): Delete macro.
22496 (save_386_machine_status, restore_386_machine_status,
22497 clear_386_stack_locals): Delete declarations.
22499 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22501 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
22502 (doloop_begin): Simplify pattern and use emit_jump_insn.
22503 (doloop_end): Simplify pattern, switch operand order,
22504 and use emit_jump_insn.
22506 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
22508 * function.h (struct function): Add new element LANGUAGE.
22509 (save_lang_status): Declare new variable.
22510 (restore_lang_status): Likewise.
22511 * function.c (save_lang_status): Define.
22512 (restore_lang_status): Likewise.
22513 (push_function_context_to): Call language-specific save function.
22514 (pop_function_context_from): Call language-specific restore function.
22516 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
22518 * i386.md (movsf_1): Check REG_P before use of REGNO.
22519 (movdf_1): Likewise.
22520 (movxf_1): Likewise.
22521 (extendsfdf2): Likewise.
22522 (extendsfxf2): Likewise.
22523 (extenddfxf2): Likewise.
22525 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22527 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
22528 constants into memory.
22529 (c4x_shiftable_constant): New function.
22530 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
22531 (c4x_shiftable_constant): Declare.
22532 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
22533 ashlqi3_noclobber): Add new patterns and associated splitters.
22535 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
22537 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
22538 * dwarf2out.c (dwarf2out_frame_init): Likewise.
22539 * final.c (shorten_branches): Likewise.
22540 * global.c (global_alloc): Likewise.
22541 * haifa-sched.c (build_control_flow): Likewise.
22542 * stmt.c (check_for_full_enumeration_handling): Likewise.
22543 (estimate_case_costs): Likewise.
22545 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
22547 * rtl.h (RTL_CHECKC2): Fix typo in last change.
22549 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
22551 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
22552 (recompute_reg_usage): Likewise.
22553 * rtlanal.c (find_regno_fusage): Likewise.
22555 * rtl.c (rtl_check_failed_code1): New function.
22556 (rtl_check_failed_code2): New.
22557 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
22558 (RTL_CHECKC1, RTL_CHECKC2): New.
22559 (XC*): New accessor macros.
22560 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
22561 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
22562 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
22563 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
22564 (TRAP_*, RANGE_INFO_*): Likewise.
22566 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22568 * Makefile.in (tlink.o): Don't depend on toplev.h.
22570 * collect2.c (c_file, o_file, export_file, import_file, ldout,
22571 output_file, nm_file_name, ldd_file_name, strip_file_name,
22572 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
22573 add_prefix, prefix_from_env, prefix_from_string, do_wait,
22574 fork_execute, maybe_unlink, add_to_list,
22575 extract_init_priority, write_list, dump_list,
22576 dump_prefix_list, write_list_with_asm, write_c_file,
22577 write_c_file_stat, write_c_file_glob, scan_prog_file,
22578 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
22579 ignore_library, extract_string, notice, dump_file, target_machine,
22580 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
22581 read_file, print_load_command): Constify a char*.
22582 (fdopen, error, fatal, fatal_perror): Don't prototype.
22583 (my_strerror): Remove. All callers use xstrerror instead.
22584 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
22585 (main): Add prototype. Constify lots of char* ptrs. Change calls
22586 to xcalloc/strcpy/strcat/... to one call to concat.
22587 (main, scan_prog_file, scan_libraries): Use an intermediate
22588 `const char **' to build an argv array.
22589 (mapfile, libselect, libcompare, locatelib): Add prototypes.
22591 * collect2.h (collect_execute, collect_wait, dump_file,
22592 file_exists): Constify a char*.
22593 (ldout, c_file_name, temporary_obstack, permanent_obstack,
22594 temporary_firstobj, vflag, debug): Add extern declarations.
22595 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
22597 * tlink.c: Don't include toplev.h.
22598 (vflag, debug, ldout, c_file_name, temporary_obstack,
22599 permanent_obstack, temporary_firstobj): Don't declare.
22600 (tlink_execute, frob_extension, symbol_hash_lookup,
22601 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
22602 recompile_files, read_repo_files, demangle_new_symbols,
22603 scan_linker_output): Constify a char*.
22604 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
22605 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
22607 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
22609 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
22610 (relative) rather than jsr (absolute) subroutine call insns.
22611 * config/m68k/m68k-coff.h: Ditto.
22613 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
22615 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
22616 now rework these too.
22617 (arm_reorg): If an insn can't reach the end of the current pool,
22618 ensure that we emit that pool before the insn.
22620 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
22622 * tlink.c (scan_linker_output): Skip the initial underscore in
22623 a mangled name if appropriate.
22625 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22627 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
22628 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
22629 error_with_ivar, gen_declarator, create_builtin_decl,
22630 my_build_string, generate_descriptor_table, generate_ivars_list,
22631 generate_dispatch_table, check_protocols, TAG_GETCLASS,
22632 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
22633 dump_base_name, lang_decode_option, build_encode_expr,
22634 start_class, finish_class, encode_pointer, really_start_method,
22635 gen_declaration, dump_interface, handle_class_ref, handle_impent):
22637 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
22638 Add static prototypes.
22639 (build_objc_string_decl, build_selector_reference_decl,
22640 encode_bitfield, build_class_reference_decl): Remove unused
22641 parameter, all callers changed.
22642 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
22643 (objc_printable_name): Likewise. Change second parameter to type int.
22644 (init_objc): Use memcpy, not bcopy, to avoid casts.
22646 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
22648 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
22649 reg notes on a deleted insn.
22650 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
22652 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
22654 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
22656 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22658 * stmt.c (expand_asm_operands): Fix index into inout_mode when
22661 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
22663 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
22664 * tm.texi (MD_ASM_CLOBBERS): Document it.
22666 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
22668 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
22669 * except.c (expand_rethrow): Remove unused variable.
22670 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
22671 * flow.c (replace_insns): Likewise.
22672 (create_edge_list, verify_edge_list): Likewise.
22673 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
22675 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
22676 is special code to run.
22677 (main): Don't define operands to emit_operand.
22678 * genrecog.c (main): Don't emit an empty peephole2_insn function.
22680 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
22682 * alpha/alpha.h (normal_memory_operand): Declare.
22683 (reg_no_subreg_operand): Declare.
22684 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
22686 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
22688 * c-parse.in (compstmt_primary_start): New, broken out of first
22689 part of compstmt handling in primary.
22690 (primary): Use it. Add an error clause.
22691 (compstmt_nostart): Renamed from compstmt; remove all
22692 initial invocations of compstmt_start.
22695 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
22697 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
22700 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
22702 * combine.c (simplify_shift_const): Remove extra semicolon.
22703 * dwarf2out.c (remove_AT): Likewise.
22704 * expmed.c (expand_mult): Likewise.
22705 * gcov.c (create_program_flow_graph): Likewise.
22706 * reorg.c (mostly_true_jump): Likewise.
22708 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
22710 * fold-const.c (fold_range_test): Do not try to fold the range
22711 test if the rhs or lhs has side effects.
22713 * combine.c (simplify_rtx): Recognize another case of a synthesized
22716 * varasm.c (mark_constant_pool): When marking indirect references,
22717 only look at SYMBOL_REFs.
22719 * except.c (expand_fixup_region_end): Do not peek at
22720 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
22722 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
22724 * flags.h: New variables align_loops, align_loops_log,
22725 align_jumps, align_jumps_log, align_labels, align_labels_log,
22726 align_functions, align_functions_log.
22727 * toplev.c: Define them.
22728 (f_options): Handle -falign-* when they have no argument.
22729 (main): Add logic to set variables for -falign-functions,
22730 -falign-jumps, -falign-labels, -falign-loops.
22731 Make it -fsched-verbose=<n> and -finline-limit=<n>.
22732 (display_help): Change help to match options.
22733 * final.c (LABEL_ALIGN): Default to align_labels_log.
22734 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
22735 (LOOP_ALIGN): Default to align_loops_log.
22736 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
22737 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
22738 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
22739 * varasm.c (assemble_start_function): Handle align_functions.
22741 * config/sparc/sparc.h: Don't declare sparc_align_*.
22742 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
22743 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
22745 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
22747 * config/sparc/sparc.c: Delete sparc_align_loops,
22748 sparc_align_jumps, sparc_align_funcs and the corresponding string
22750 (sparc_override_options): Default align_functions on ultrasparc.
22751 Delete -malign-* handling.
22753 * config/mips/mips.c (override_options): On 64-bit targets,
22754 try to align code to 64-bit boundaries.
22755 (print_operand): New substitution, %~,
22756 which aligns labels to align_labels_log.
22757 * config/mips/mips.md (div_trap_normal): Use %~.
22758 (div_trap_mips16): Likewise.
22760 (absdi2): Likewise.
22761 (ffssi2): Likewise.
22762 (ffsdi2): Likewise.
22763 (ashldi3_internal): Likewise.
22764 (ashrdi3_internal): Likewise.
22765 (lshrdi3_internal): Likewise.
22766 (casesi_internal): Likewise.
22768 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
22770 Merge new ia32 backend from the branch!
22772 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
22773 See ChangeLog.P2 on new_ia32_branch for details.
22775 * rtl.h (stack_regs_mentioned_p): Delete prototype.
22776 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
22777 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
22778 * i386/gas.h (ASM_FILE_START): Define.
22779 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
22780 for name change of ix86_valid_decl_attribute_p.
22781 (i386_pe_valid_type_attribute_p): Similarly.
22783 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
22785 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
22786 to step through CC modes.
22788 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22790 * regmove.c (fixup_match_1): Don't move INSN in front of P if
22791 it would end up in the shadow of a live flags regsiter.
22793 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22795 * reload1.c: Fix many indentation problems.
22796 * reload.c: Likewise.
22798 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
22800 * alias.c (non_local_reference_p): Constify fmt.
22802 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
22804 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
22806 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
22808 * cse.c (delete_trivially_dead_insns): Do not delete stores to
22809 the internal_arg_pointer.
22811 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
22813 Merge peephole2 from new_ia32_branch:
22814 * Makefile.in (STAGESTUFF): Add *.peephole2.
22815 (mostlyclean): Likewise.
22816 (recog.o): Depend on resource.h.
22818 * final.c (peephole): Conditionalize decl on HAVE_peephole.
22819 (final_scan_insn): Likewise for the invocation of peephole.
22820 * genconfig.c (main): Look for peephole and peephole2 patterns.
22821 Emit HAVE_peephole* accordingly.
22822 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
22823 * flags.h (flag_peephole2): Declare.
22824 * toplev.c: New pass peephole2. New flag -fpeephole2.
22826 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
22827 * gencodes.c (main): Likewise.
22828 * genextract.c (main): Likewise.
22829 * genoutput.c (main): Likewise.
22830 * genemit.c (max_operand_1): Look for the max scratch operand.
22831 (gen_rtx_scratch): New.
22832 (gen_exp): Use it, and pass on new arg subroutine_type.
22833 (gen_expand): Take max scratch into account.
22834 (gen_split): Emit peephole2 functions.
22835 (output_peephole2_scratch): New.
22836 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
22837 * genrecog.c (routine_type): Add PEEPHOLE2.
22839 (make_insn_sequence): Match outer parallel for peep2. Discard
22840 top level scratches and dups.
22841 (add_to_sequence): New args insn_type and top. Update all callers.
22842 Handle toplevel peep2 matching insns.
22843 (write_subroutine): Handle peep2.
22844 (write_tree_1): Likewise.
22845 (write_tree): Likewise.
22847 (change_state): New arg afterward. Update all callers.
22848 Handle matching separate insns.
22849 * recog.c (recog_next_insn): New.
22850 (peephole2_optimize): New.
22851 * rtl.def (DEFINE_PEEPHOLE2): New.
22852 * resource.c (find_free_register): New argument last_insn. Use it
22853 to find a register available through the entire span.
22854 * resource.h (find_free_register): Update prototype.
22856 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
22858 * i386.c (output_strlen_unroll): Don't write xops[7]
22859 label if it wasn't set.
22861 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
22863 * cpplib.c (struct directive): Const-ify name pointer and
22864 function pointer prototype.
22865 (validate_else, do_define, do_line, do_include, do_undef,
22866 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
22867 do_elif, do_endif, do_sccs, do_assert, do_unassert,
22868 do_warning): Const-ify second arg.
22869 (directive_table): Mark const. Reorder entries by frequency
22870 of usage, record statistics.
22872 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
22874 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
22875 bounds- check RTL accesses if --enable-checking.
22876 (RTVEC_ELT): Bounds check if --enable-checking.
22877 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
22878 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
22879 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
22881 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
22882 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
22884 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
22885 (NOTE_SOURCE_FILE): Use X0STR.
22886 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
22887 MEM_ALIAS_SET): Use X0INT.
22888 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
22889 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
22891 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
22892 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
22893 (rtl_check_failed_bounds, rtl_check_failed_type1,
22894 rtl_check_failed_type2, rtvec_check_failed_bounds): New
22896 (fancy_abort): Fix comment.
22898 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
22899 (cse_insn): Decrement LABEL_NUSES for jump target before
22900 deleting jump insn.
22901 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
22902 * final.c (alter_subreg): Compute regno before changing x to
22903 REG; set REGNO(x) after changing it.
22904 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
22905 notes containing CONST_INTs.
22906 (delete_eh_regions): Use NOTE_EH_HANDLER.
22907 * function.c (put_reg_into_stack): Make reg a MEM before
22909 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
22911 (gen_mem_addressof): Make reg a MEM before initializing it.
22912 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
22914 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
22915 deleting an insn, not after.
22916 (block_alloc): Only look at PATTERN(insn) if we have to, and
22917 only if it's format class 'i'.
22918 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
22919 CONST_INT before using its INTVAL.
22920 * print-rtl.c (print_rtx): Use X0STR.
22921 * regmove.c (fixup_match_1): Don't look at PATTERN of
22922 non-class-'i' insn chain elements.
22923 * reload.c (loc_mentioned_in_p): Take address of
22924 in->fld[1].rtx directly.
22925 * reload1.c (reload): Change reg to a MEM before initializing
22927 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
22929 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
22931 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
22933 * config/mips/mips.c (machine_dependent_reorg): Force a
22934 barrier to output the local constant pool if a barrier hasn't
22935 been found at a natural point in the instruction stream.
22937 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22939 * c-parse.in (language_string): Constify.
22941 * dwarf2out.c (language_string): Remove declaration.
22943 * dwarfout.c (language_string): Likewise.
22945 * toplev.c (language_string, init_parse, finish_parse): Likewise.
22947 * tree.h (language_string, init_parse, finish_parse): Declare.
22949 * i386/sun386.h (language_string): Remove declaration.
22951 * mips.h (language_string): Likewise.
22953 * nextstep.h (language_string): Likewise.
22955 * nextstep21.h (language_string): Likewise.
22957 * rs6000.c (language_string): Likewise.
22959 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22961 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
22962 (getpwd.o): Remove target.
22964 * getpwd.c: Delete file. Its in libiberty now.
22966 * dbxout.c (getpwd): Don't prototype.
22967 * dwarf2out.c (getpwd): Likewise
22968 * dwarfout.c (getpwd): Likewise
22969 * final.c (getpwd): Likewise.
22970 * protoize.c (getpwd): Likewise.
22972 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22974 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
22976 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
22978 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
22979 mark_set_resources.
22981 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
22983 * fixinc/Makefile.in (subdir): New.
22984 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
22987 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
22989 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
22990 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
22993 * invoke.texi: Fix typo.
22995 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
22996 changed. Handle autoincrement addressing modes.
22998 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
22999 just like we would the virtual incoming args register when
23002 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
23004 * rs6000.h (ASM_FILE_START): Specify complete filename, including
23005 path, in .file directive.
23007 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
23009 * gcc.texi (External Bugs): Remove obsolete note about Perl on
23012 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
23014 * stdbool.h: Make the typedef name _Bool, with bool a #defined
23017 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23019 * tree.c (tree_code_name): Constify a char*.
23021 * tree.h (tree_code_name, decl_printable_name): Likewise.
23023 * function.h (struct function): Likewise.
23025 * toplev.c (decl_name, decl_printable_name): Likewise.
23027 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
23029 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
23030 (init_objc): Remove function pointer cast.
23032 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
23034 * pa.md (interspace_jump): New pattern.
23035 (builtin_longjmp): New expander.
23037 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
23039 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
23040 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
23041 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
23043 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
23045 * jump.c (delete_prior_computation): Also check calls
23046 to constant functions. Don't bother checking for a
23047 REG_UNUSED note before adding it.
23048 (delete_computation): Handle multi-word hard registers
23049 when synthesizing missing REG_DEAD notes for a register
23050 which is both set and used by an insn.
23052 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23054 * loop.c (this_loop_info): New variable.
23055 (loop_has_call, loop_has_volatile, loop_has_tablejump,
23056 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
23058 (prescan_loop, strength_reduce): New argument loop_info. All callers
23060 (scan_loop): New variable loop_info, initialise to address of
23062 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
23063 Delete variable loop_has_multiple_exit targets and replace with
23064 field in this_loop_info.
23065 (find_and_verify_loops): Rename this_loop to this_loop_num.
23066 (strength_reduce): Delete loop_iteration_info. Replace variable
23067 loop_info with function argument of same name.
23068 (insert_bct): Rework test for loop being completely unrolled.
23070 * loop.h (struct loop_info): New fields num, loops_enclosed,
23071 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
23072 has_indirect_jump, and cont. Redefine use of unroll_number.
23073 (loop_unroll_number): Delete.
23075 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
23076 field of loop_info.
23077 (loop_iterations): Delete variable vtop and instead use
23078 loop_info->vtop computed in prescan_loop.
23080 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
23082 * fix-header.c (main): Do not pass a null pointer to strcmp.
23084 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
23086 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
23088 * configure: Rebuilt.
23090 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
23092 * jump.c (jump_optimize_1): Do not delete assignments to
23093 internal_arg_pointer.
23094 * cse.c (delete_trivially_dead_insns): Always consider a set of
23095 the internal_arg_pointer live.
23097 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
23099 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
23100 (update_life_info) [REG_WAS_0]: Search the original insns rather
23101 than the new insns for the note. Fix typos finding note_dest.
23102 If no dest found, discard the note rather than abort.
23103 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
23104 (replace_insns): Remove the old insn list after update_life_info
23107 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
23109 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
23110 sched_analyze_insn.
23111 (sched_analyze_1): Let add_dependence care for not adding dups.
23112 (sched_analyze_2): Likewise.
23113 (add_branch_dependences): Likewise.
23115 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
23117 * i386/winnt.c (export_list): New type.
23118 (exports_head): Rename to
23119 (export_head): this.
23120 (i386_pe_record_exported_symbol): Add is_data flag.
23121 (i386_pe_asm_file_end): Emit directive for exported variables.
23122 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
23124 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
23125 (ASM_DECLARE_OBJECT_NAME): Likewise.
23126 (ASM_DECLARE_FUNCTION_NAME): Likewise.
23127 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
23129 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
23131 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
23133 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
23136 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
23138 * config/openbsd.h: Define SET_ASM_OP.
23139 * tm.texi: cross-reference SET_ASM_OP in the index.
23141 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
23143 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
23144 for a CONST_DOUBLE, at compile time. Initialize rtx_length
23145 and class_narrowest_mode at compile time. Kill init_rtl.
23146 Mark rtx_length, mode_class, mode_size, mode_unit_size,
23147 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
23148 rtx_format as const. Kill all references to EXTRA_CC_MODES or
23150 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
23152 * rtl.h: Declare rtx_length and rtx_format as const.
23153 * machmode.def: Define CC(). Use CC() to define CCmode. If
23154 EXTRA_CC_MODES is defined, expand it here.
23155 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
23156 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
23157 const. Kill all references to EXTRA_CC_MODES.
23159 * toplev.c: Don't prototype or call init_rtl.
23160 * optabs.c: Don't call init_mov_optab.
23161 * genemit.c: Don't generate init_mov_optab. Don't call
23163 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
23165 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
23166 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
23167 genrecog.c: Don't call init_rtl.
23169 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
23170 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
23171 definition of EXTRA_CC_MODES.
23173 * md.texi: Kill ref to EXTRA_CC_NAMES.
23174 * tm.texi: Document new way to define EXTRA_CC_MODES.
23176 * genrecog.c: Do not look up the name of a define_split.
23177 (Unrelated bugfix.)
23179 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
23181 * config/v850/v850.md: Fix typo introduced by previous delta.
23183 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23185 * gcc.c (fatal): Make definition static to match prototype.
23187 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23189 * combine.c (get_last_value): Don't look for earlier sets if the last
23190 known set is somewhere in between the insns being combined.
23192 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
23194 * configure.in: Don't use shell ! to negate exit codes
23195 * configure: Regenerate
23197 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
23199 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
23200 the fact that ALIGN is measured in bits, not bytes.
23202 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
23204 * errors.c: New file; defines functions error, warning, and
23205 fatal, variables have_error and progname.
23206 * errors.h: New file; prototypes and decls for stuff in errors.c.
23208 * Makefile: Add rules to build errors.o and
23209 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
23210 genopinit, genrecog, genextract, genpeep, genattr, and
23211 genoutput with errors.o. Add errors.h to deps of genconfig.o,
23212 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
23213 genpeep.o, genattr.o, and genoutput.o.
23215 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
23216 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
23217 define or prototype fatal. Set progname at beginning of main.
23218 * genoutput.c: Likewise, and don't define or prototype error
23221 * c-typeck.c (c_expand_start_case): Return immediately if exp
23223 * fold-const.c (operand_equal_p): Return immediately if arg1
23224 or arg0 are ERROR_MARKs.
23225 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
23226 fields of type ERROR_MARK when calculating if the record can
23229 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
23230 with much help from Jeffrey A Law and Richard Henderson
23232 * i386.md: In the 6 insns which call output_fix_trunc,
23233 earlyclobber operands[0].
23235 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
23237 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
23238 creating new registers.
23240 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
23242 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
23243 i386_reg_alloc_order, i386_regparm_string,
23244 i386_align_loops_string, i386_align_jumps_string,
23245 i386_align_funcs_string, i386_preferred_stack_boundary_string,
23246 and i386_branch_cost_string as type "const char *".
23247 * i386.c: Define all above strings as type "const char *".
23249 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
23251 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
23252 when emitting alignment padding. Emit padding byte of 0 instead of 4.
23254 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
23256 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
23257 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
23259 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
23261 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
23262 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
23263 (dwarf2out_line, dwarf2out_finish): Likewise.
23264 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
23266 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
23268 * tree.c (lang_unsave_expr_now) : Correct return type.
23269 * tree.h (lang_unsave_expr_now) : Same.
23271 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
23273 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
23274 instead of duplicating code.
23276 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23278 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
23280 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
23282 * tree.h: fancy_abort always takes three args.
23283 * resource.c: Move include of system.h before toplev.h.
23285 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
23287 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
23290 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
23292 * system.h: Don't redefine abort or trim_filename.
23293 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
23294 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
23295 whether or not __FUNCTION__ is available.
23296 * tree.h: Duplicate rtl.h's definition of abort, for files
23297 that don't include rtl.h. Delete all code to perform type
23298 checking with a compiler other than GCC.
23299 * varray.h: Delete all code to perform type checking with a
23300 compiler other than GCC. Make VARRAY_CHECK() always evaluate
23301 its arguments exactly once, using a statement expression.
23302 Adjust the VARRAY_<type> accessor macros to match.
23303 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
23304 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
23305 caller's location. Define fatal_insn and fatal_insn_not_found
23306 as macros that use _fatal_insn and _fatal_insn_not_found.
23307 (fancy_abort, trim_filename): Kill prototypes.
23309 * rtl.c (trim_filename): Move here from toplev.c.
23310 (fancy_abort): New function.
23311 (DIR_SEPARATOR): Provide default definition.
23312 * tree.c (tree_check_failed, tree_class_check_failed): Go
23313 through fancy_abort.
23314 (tree_check, tree_class_check, cst_or_constructor_check,
23315 expr_check): Delete.
23316 * varray.c (varray_check_failed): New function.
23317 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
23318 _fatal_insn and _fatal_insn_not_found. Go through
23320 (trim_filename, fancy_abort): Delete.
23322 * builtins.c (expand_builtin_args_info): Report ICE with abort.
23323 * except.c (start_catch_handler): Report ICE with error/abort
23325 * final.c (output_operand_lossage): Likewise.
23326 * flow.c (verify_flow_info): Likewise.
23328 * gcc.c: Prototype fatal.
23329 * gengenrtl.c: Undef abort after including rtl.h not system.h.
23330 * genattr.c, genattrtab.c, genemit.c, genextract.c,
23331 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
23332 Don't define fancy_abort.
23334 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
23336 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
23339 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
23341 * m88k.h (VERSION_INFO2): Kill.
23342 (VERSION_STRING): Kill.
23344 (VERSION_INFO1): Tidy.
23345 (TARGET_VERSION): Update.
23346 * m88k/dgux.h (VERSION_INFO2): Kill.
23347 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
23348 * m88k/luna.h (VERSION_INFO1): Tidy.
23349 * m88k/sysv4.h (VERSION_INFO1): Likewise.
23350 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
23351 (output_file_start): Adjust for death of VERSION_STRING.
23353 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
23355 * cpplib.c (detect_if_not_defined): New function.
23356 (do_if): Use it to detect potential once-only headers.
23358 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
23360 * c-common.c (combine_strings): Always set TREE_CONSTANT.
23362 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
23364 * combine.c (nonzero_bits) : Allow single-ly set registers to be
23365 anywere in the function only if they are pseudos and set before
23366 being used (not live at the start of the function).
23367 (num_sign_bit_copies) : Same.
23368 (get_last_value_validate) : Same.
23369 (get_last_value) : Same.
23371 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
23373 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
23374 where N and M are constant and N is an integer multiple of M.
23376 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23378 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
23379 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
23380 sbitmap_union_of_preds): Add prototypes.
23381 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
23382 the intersection of successors with the new flow graph structures.
23383 (sbitmap_intersection_of_preds): New function to compute the
23384 intersection of predecessors with the new flow graph structures.
23385 (sbitmap_union_of_succs): New function to compute the union of
23386 successors with the new flow graph structures.
23387 (sbitmap_union_of_preds): New function to compute the union of
23388 predecessors with the new flow graph structures.
23389 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
23390 (expr_reaches_here_p): Use edge and basic_block structures instead
23391 of s_preds and s_succs.
23392 (compute_cprop_avinout): Use new sbitmap routines.
23393 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
23394 of s_preds and s_succs.
23395 * flow.c (compute_flow_dominators): Compute dominators using
23396 edges and basic blocks instead of s_preds and s_succs.
23398 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23400 * lists.c (unused_insn_list, unused_expr_list): New file for
23401 maintaining various types of lists. New statics for maintaining a
23402 cache of available INSN_LIST and EXPR_LIST nodes.
23403 (free_list): Static function for freeing a list of INSN/EXPR nodes.
23404 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
23405 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
23406 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
23407 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
23408 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
23409 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
23410 (free_INSN_LIST_node): Free an individual INSN_LIST node.
23411 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
23412 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
23413 (remove_dependence, free_pending_lists): Use new global routines.
23414 (flush_pending_lists, sched_analyze_insn): Use new global routines.
23415 (sched_analyze, compute_block_backward_dependences): Use new routines.
23416 (sched_analyze_1, sched_analyze_2): Use new routines.
23417 (schedule_insns): Use new global routines.
23418 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
23420 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
23421 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
23423 * toplev.c (rest_of_compilation): Initialize node cache.
23424 * Makefile.in (OBJS): Add lists.o to list of object files.
23425 (lists.o): Add dependancies.
23427 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
23429 * config/v850/v850.md: Fix compile time warning messages.
23430 * config/v850/v850.c: Fix compile time warning messages.
23431 * config/v850/v850.h: Fix compile time warning messages.
23433 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23435 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
23436 Remove unused prototype for `init_lengths'.
23438 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23440 * calls.c (emit_call_1): Mark parameter `stack_size' with
23442 (expand_call): Initialize variable `insn'.
23443 (emit_library_call): Likewise for variable `high_to_save'.
23444 (emit_library_call_value): Likewise.
23445 (store_one_arg): Likewise for variables `lower_bound' and
23448 * combine.c (try_combine): Likewise for variables `i2_code_number'
23449 and `other_code_number'.
23450 (find_split_point): Likewise for variables `pos', `unsignedp' and
23452 (simplify_if_then_else): Likewise for variables `op' and `c1'.
23453 (simplify_and_const_int): Remove unused variable `width'.
23454 (merge_outer_ops): Likewise.
23456 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
23457 HOST_WIDE_INT' when comparing against one.
23458 (simplify_relational_operation): Likewise.
23459 (cse_insn): Initialize variables `src_eqv_volatile',
23460 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
23462 * final.c (init_final): Constify parameter `filename'.
23463 (final_start_function): Mark parameter `optimize' with
23465 (profile_function): Likewise for parameters `first' and `optimize'.
23466 (output_source_line): Likewise for parameter `file'.
23468 * integrate.c (subst_constants): Cast a value to `size_t' when
23469 comparing against one.
23470 (mark_stores): Initialize variable `mode'. Cast a value to
23471 `size_t' when comparing against one.
23473 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
23475 * loop.c (move_movables): Initialize variable `first'.
23476 (strength_reduce): Likewise for variable `increment'.
23477 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
23478 value to `size_t' when comparing against one.
23479 (load_mems): Initialize variable `end_label'.
23481 * output.h (init_final): Constify parameter.
23483 * reload.c (decompose): Initialize variable `base'.
23485 * reload1.c (reload): Likewise for variable `is_scalar'.
23486 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
23487 (choose_reload_regs): Initialize variable `mode'.
23488 (emit_reload_insns): Likewise for variable `store_insn'.
23489 (reload_cse_noop_set_p): Mark parameter `insn' with
23491 (reload_combine): Initialize variable `set'.
23493 * unroll.c (unroll_loop): Likewise for variable `local_label'.
23494 (copy_loop_body): Cast a value to `size_t' when comparing against
23497 * varasm.c (assemble_variable): Initialize variable `size_tree'.
23498 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
23499 (remove_from_pending_weak_list): Mark parameter `name' with
23502 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23504 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
23507 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
23509 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
23510 (ASM_DECLARE_FUNCTION_NAME): Define.
23511 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
23512 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
23513 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
23514 not already defined.
23516 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
23518 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
23519 of n_popped when call/call_value are not defined.
23521 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
23523 * tm.texi: GNU CC -> GCC conversion.
23524 (CC1_SPEC): Indicate it is used for all language front ends.
23526 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
23528 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
23529 NOTE_INSN_EH_REGION_END correctly.
23531 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23532 Jeff Law <law@cygnus.com>
23534 * loop.c (strength_reduce): Automatically unroll loops if the
23535 unrolled loop size is smaller than the rolled loop size.
23537 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
23538 and delete comment that code should be rewritten.
23540 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
23542 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
23545 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
23547 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
23549 * fixinc/mkfixinc.sh: Don't fix uwin headers.
23550 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
23551 (LINK_SPEC): Add -u _main when building executables.
23552 (ASM_DECLARE_FUNCTION): Update from Cygwin.
23553 (ASM_FILE_END): Use the default for ix86-pe.
23554 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
23556 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
23558 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
23559 and ASM_CLOSE_PAREN are empty strings.
23561 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
23562 Geoffrey Keating <geoffk@cygnus.com>
23564 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
23565 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
23566 (unprotoize.o): Ditto.
23567 (test-protoize-simple): Don't define STD_PROTO_DIR.
23568 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
23569 changes to make 'test-protoize-simple' pass.
23570 (STD_PROTO_DIR): Remove define.
23571 (STANDARD_EXEC_PREFIX): Supply default define.
23572 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
23573 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
23574 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
23575 (GET_ENV_PATH_LIST): New macro.
23576 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
23577 (do_processing): Initialize default_syscalls_dir using new
23578 macros. Use it to initialize syscalls_absolute_filename.
23580 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
23582 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
23583 B into a register before emit_conditional_move.
23585 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
23587 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
23588 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
23589 multiplicand out of (+ (* a b) (* c d)).
23591 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
23592 Richard Henderson <rth@cygnus.com>
23594 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
23595 (new_insn_dead_notes): Likewise.
23596 (update_n_sets): Likewise.
23597 (update_flow_info): Move to flow.c, renamed to update_life_info;
23598 extend to handle multiple source insns.
23599 * flow.c: Include resource.h
23600 (unlink_insn_chain): New.
23601 (split_hard_reg_notes): New.
23602 (maybe_add_dead_note): New.
23603 (maybe_add_dead_note_use): New.
23604 (find_insn_with_note): New.
23605 (new_insn_dead_notes): New.
23606 (update_n_sets): New.
23607 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
23608 (maybe_remove_dead_notes): New.
23609 (update_life_info): New.
23610 (prepend_reg_notes): New.
23611 (replace_insns): New.
23612 * output.h (update_life_info): Declare.
23613 * recog.c (split_block_insns): Use update_life_info.
23614 * resource.c (find_free_register): Use reg_alloc_order, don't use
23615 fixed regs, make sure the mode is supported, don't use new regs.
23617 * rtl.h (replace_insns): Declare.
23619 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
23621 * expr.c (expand_expr): Cope with COND_EXPRs with one
23622 non-returning branch.
23624 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
23626 * expr.c (store_expr): Always pass down the target, even when not
23629 1999-08-24 Nick Clifton <nickc@cygnus.com>
23631 * configure.in: Define target_cpu_default for v850 targets.
23632 * configure: Regenerate
23634 * config/v850/v850.h (TARGET_CPU_generic): Define.
23635 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
23636 addresses are 4 byte aligned.
23638 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
23641 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23643 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
23644 (main): Add prototypes.
23646 * genattrtab.c (substitute_address, write_const_num_delay_slots,
23647 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
23648 (write_attr_get): Emit prototypes along with function definition.
23649 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
23650 (write_complex_function): Emit static prototype along with
23651 function definition.
23653 * genemit.c (gen_split): Emit prototypes along with function
23656 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
23657 Likewise for predicates and `insn_operand_predicate'.
23658 (process_template): Emit static prototype along with function
23661 * genrecog.c (make_insn_sequence): Constify a char*. Add
23662 prototypes for get_split_*().
23663 (write_subroutine): Emit prototypes along with function
23666 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23668 * gcse.c (find_avail_set): Follow chains of register-register copies.
23669 Use oprs_not_set_p to guarantee that the returned value can be
23671 (cprop_insn): Don't verify the return value of find_avail_set with
23674 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
23675 (cprop_cc0_jump): New function.
23676 (cprop_insn): Break out new function cprop_jump and use it.
23677 Also use cprop_cc0_jump for machines with CC0.
23678 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
23680 * tree.h (current_function_calls_setjmp,
23681 current_function_calls_longjmp): Delete declarations.
23682 * dsp16xx.c: Include "function.h".
23683 * elxsi.c: Likewise.
23684 * gmicro.c: Likewise.
23685 * h8300.c: Likewise.
23686 * i370.c: Likewise.
23687 * m32r.c: Likewise.
23688 * mn10200.c: Likewise.
23689 * mn10300.c: Likewise.
23690 * ns32k.c: Likewise.
23691 * spur.c: Likewise.
23692 * v850.c: Likewise.
23694 * rtl.h (rtx_equal_function_value_matters): Declare.
23695 * toplev.c (rtx_equal_function_value_matters): Don't declare.
23697 * function.c: Likewise.
23698 * emit-rtl.c: Likewise.
23700 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
23702 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
23705 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23707 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
23710 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
23712 * cpp.texi: Add a node documenting macro varargs (copied
23715 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
23717 * cppspec.c: Put a null pointer at the end of the new argv.
23719 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
23721 * configure.in: Remove code to select/de-select the haifa
23722 scheduler. Every scheduled port gets haifa now.
23723 * configure: Rebuilt.
23724 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
23726 * Makefile.in: Corresponding changes.
23728 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23730 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
23731 All callers changed.
23732 (prepare_float_lib_cmp): Likewise.
23733 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
23734 * expr.h (emit_float_lib_cmp): Delete declaration.
23735 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
23736 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
23737 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
23739 (cmptf): Now conditional on TARGET_HARD_QUAD.
23741 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
23743 * resource.c (mark_target_live_regs): Use
23744 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
23746 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23748 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
23750 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
23752 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
23754 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23756 * rtl.h (rtx_format): Constify a char*.
23758 * rtl.c (rtx_format): Likewise.
23759 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
23760 (init_rtl): Use accessor macro, not `rtx_format'.
23762 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
23765 * caller-save.c (mark_referenced_regs): Likewise.
23767 * combine.c (subst, make_compound_operation, known_cond,
23768 gen_rtx_combine, update_table_tick, get_last_value_validate,
23769 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
23771 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
23772 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
23773 count_reg_usage): Likewise.
23775 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
23778 * final.c (leaf_renumber_regs_insn): Likewise.
23780 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
23781 dump_edge_info, count_reg_references): Likewise.
23783 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
23784 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
23787 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
23788 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
23789 add_label_notes): Likewise.
23791 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
23792 clear_struct_flag, count_sub_rtxs, count_alternatives,
23793 compares_alternatives_p, contained_in_p, walk_attr_value,
23794 write_expr_attr_cache): Likewise.
23796 * genconfig.c (walk_insn_part): Likewise.
23798 * genemit.c (max_operand_1, gen_exp): Likewise.
23800 * genextract.c (walk_rtx): Likewise.
23802 * genflags.c (num_operands): Likewise.
23804 * genoutput.c (scan_operands): Likewise.
23806 * genpeep.c (match_rtx): Likewise.
23808 * genrecog.c (add_to_sequence): Likewise.
23810 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
23813 * integrate.c (save_constants, copy_for_inline,
23814 copy_rtx_and_substitute, subst_constants, restore_constants):
23817 * jump.c (mark_jump_label, invert_exp, redirect_exp,
23818 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
23820 * local-alloc.c (contains_replace_regs, memref_referenced_p):
23823 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
23824 add_label_notes, replace_call_address, count_nonfixed_reads,
23825 invariant_p, find_single_use_in_loop, find_mem_givs,
23826 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
23829 * print-rtl.c (reg_names, print_rtx): Likewise.
23831 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
23833 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
23834 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
23835 print_blocks): Likewise.
23837 * regclass.c (fix_register, record_address_regs,
23838 reg_scan_mark_refs): Likewise.
23840 * regmove.c (stable_but_for_p): Likewise.
23842 * reload.c (loc_mentioned_in_p, operands_match_p,
23843 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
23844 copy_replacements, refers_to_regno_for_reload_p,
23845 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
23846 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
23849 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
23850 delete_address_reloads_1, count_occurrences,
23851 reload_cse_mem_conflict_p, reload_combine_note_use,
23852 add_auto_inc_notes): Likewise.
23854 * resource.c (mark_referenced_resources, mark_set_resources):
23857 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
23858 reg_mentioned_p, regs_set_between_p, modified_between_p,
23859 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
23860 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
23861 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
23862 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
23864 * sched.c (sched_analyze_2, attach_deaths): Likewise.
23866 * stupid.c (stupid_mark_refs): Likewise.
23868 * unroll.c (remap_split_bivs): Likewise.
23870 * varasm.c (mark_constants): Likewise.
23872 * a29k/a29k.c (uses_local_reg_p): Likewise.
23874 * alpha/alpha.c (summarize_insn): Likewise.
23876 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
23877 eliminate_lr2ip): Likewise.
23879 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
23881 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
23882 reg_mentioned_in_mem): Likewise.
23884 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
23885 symbolic_reference_mentioned_p): Likewise.
23887 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
23889 * sh/sh.c (regs_used, mark_use): Likewise.
23891 * vax/vax.c (vax_rtx_cost): Likewise.
23893 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23895 * machmode.h (mode_name): Constify a char*.
23897 * rtl.c (mode_name): Likewise.
23899 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
23901 * optabs.c (init_libfuncs): Constify a char*.
23903 * print-tree.c (mode_name): Remove redundant declaration.
23904 (print_node): Use accessor macro, not `mode_name'.
23906 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
23908 (new_spill_reg): Constify a char*.
23910 * tree.c (mode_name): Remove redundant declaration.
23912 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23914 * rtl.c (rtx_name): Constify a char*.
23916 * rtl.h (rtx_name, fix_sched_param): Likewise.
23918 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
23919 (mypr): Use accessor macro, not `rtx_name'.
23921 * genemit.c (print_code): Constify a char*.
23923 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
23925 * genpeep.c (print_code): Constify a char*.
23927 * genrecog.c (print_code): Likewise.
23929 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
23930 end_bb): Add static prototype.
23931 (draw_edge): Constify a char*.
23932 (end_bb): Remove unused parameter.
23934 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
23935 print_block_visualization): Constify a char*.
23937 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
23939 * c-common.c (c_get_alias_set): Update comment.
23941 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
23943 * linux.h (LIB_SPEC): Added.
23945 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23947 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
23949 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
23951 * tree.c (expr_check): Fix typo in last change.
23953 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
23955 * rtl.def (NOTE): Change format to "iuu0n".
23956 (ADDR_DIFF_VEC): Change format to "eEee0".
23957 (ADDRESSOF): Change format to "eit".
23959 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
23960 (RTVEC_ELT): Change to match.
23961 (XVECEXP): Use XVEC and RTVEC_ELT.
23962 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
23963 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
23964 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
23965 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
23966 TRAP_CONDITION, TRAP_CODE): Use XEXP.
23967 (INTVAL): Use XWINT.
23968 (ADDRESSOF_DECL): Use XTREE.
23969 (SET_ADDRESSOF_DECL): Delete.
23970 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
23971 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
23972 ifdefed out since 2.6 at least.
23973 (gen_rtvec_vv): Delete prototype.
23975 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
23977 (copy_most_rtx): Handle 't' format letter.
23978 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
23979 (gen_rtvec_vv): Delete function. All callers changed to use
23980 gen_rtvec_v instead.
23981 * print-rtl.c (print_rtx): Move special casing of NOTEs to
23982 the '0' format letter.
23984 * function.c (gen_mem_addressof): Don't use
23985 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
23987 * integrate.c (copy_rtx_and_substitute): Likewise.
23988 Copy 't' slots with XTREE.
23989 (subst_constants): Treat 't' slots like '[swi]' slots.
23990 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
23991 * jump.c (rtx_equal_for_thread_p): Likewise.
23992 * rtlanal.c (rtx_equal_p): Likewise.
23993 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
23994 only four arguments.
23995 * gengenrtl.c (type_from_format): Provide correct types for
23999 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
24000 If a recent gcc is in use (always in stage2 and beyond), use
24001 statement expressions, so we don't make a function call unless
24002 the check fails. Evaluate arguments exactly once.
24003 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
24004 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
24006 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
24007 they evaluate their arguments exactly once, irrespective of
24008 the compiler in use.
24010 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
24011 is used by the currently-enabled check macros. This is:
24012 (tree_check_failed, tree_class_check_failed): For gcc.
24013 (tree_check, tree_class_check, cst_or_constructor_check,
24014 expr_check): For other compilers.
24016 * gencheck.c: Do not define any *_CHECK1 macros.
24018 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
24019 Mark Mitchell <mark@codesourcery.com>
24021 * c-common.c (c_get_alias_set): Fix support for poitners and
24024 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
24026 * alias.c: Include tree.h.
24027 (nonlocal_reference_p, mark_constant_function): New functions.
24028 * flow.c (life_analysis): Call mark_constant_function.
24029 * rtl.h (mark_constant_function): Declare it.
24031 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
24033 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
24034 unrecognisable switches.
24036 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24038 * loop.c (recombine_givs): Set ix field after sorting.
24039 (recombine_givs): Remove bogus index / giv lockstep looping.
24041 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24043 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
24045 (emit_store_flag_force): Use do_compare_rtx_and_jump.
24046 (do_cmp_and_jump): Formatting fixes.
24047 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
24048 do_compare_rtx_and_jump instead of compare_from_rtx.
24049 (do_compare_rtx_and_jump): New function; mostly copied from
24051 (do_jump_for_compare): Delete.
24052 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
24054 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
24055 of compare/do_jump_for_compare pairs.
24056 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
24057 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
24058 compare_from_rtx/do_jump_for_compare pairs.
24059 (do_jump_by_parts_equality): Likewise.
24060 (do_jump_by_parts_equality_rtx): Likewise.
24061 * expr.h (do_compare_rtx_and_jump): Declare.
24062 * optabs.c (prepare_cmp_insn): New function, contains most of the code
24063 that used to be in emit_cmp_insn.
24064 (cmp_available_p): New function.
24065 (prepare_operand): New function.
24066 (emit_cmp_and_jump_insn_1): New function, contains some code that used
24067 to be in emit_cmp_insn.
24068 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
24069 parameters to be pointers; don't emit final compare but modify some of
24070 the values pointed to by the args so the caller can perform the
24071 correct comparison.
24072 (expand_binop): Call emit_store_flag_force with signed forms of
24074 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
24075 emit_jump_insn pair.
24076 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
24077 emit_cmp_and_jump_insn_1. Call emit_queue.
24078 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
24080 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
24081 jump sets cc0 before deleting it.
24082 * integrate.c (expand_inline_function): Likewise.
24083 * unroll.c (unroll_loop): Similar changes in several places.
24084 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
24085 before deleting it.
24087 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24089 * Makefile.in (insn-recog.o): Update dependencies.
24090 * genrecog.c (main): Make generated file include "function.h".
24092 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
24094 * cse.c (cse_insn): Call never_reached_warning when a jump is
24095 changed to be unconditional.
24096 * flags.h: Declare warn_notreached.
24097 * flow.c (delete_block): Call never_reached_warning when
24098 a block is deleted.
24099 * jump.c (delete_barrier_successors): Call never_reached_warning
24100 when we delete everything after a BARRIER.
24101 (never_reached_warning): New function.
24102 * rtl.h: Declare never_reached_warning.
24103 * toplev.c (warn_notreached): New variable.
24104 (lang_independent_options): Set warn_notreached
24105 when -Wunreachable-code.
24106 (compile_file): We need line numbers for -Wunreachable-code.
24108 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
24110 * haifa-sched.c (insn_unit): Fix typo on out of range test.
24111 * sched.c (insn_unit): Likewise.
24113 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
24115 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
24117 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24119 * flow.c (create_edge_list): Use xmalloc, not malloc.
24121 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
24123 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
24124 C-style comments. Do not lose the character before double slash.
24126 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24128 * basic-block.h (struct edge_list): Stucture to maintain a vector
24130 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
24131 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
24132 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
24133 New function prototypes.
24134 * flow.c (create_edge_list): Function to create an edge list.
24135 (free_edge_list): Discards memory used by an edge list.
24136 (print_edge_list): Debug output showing an edge list.
24137 (verify_edge_list): Internal consistency check for an edge list.
24138 (find_edge_index): Function to find an edge index for a pred and succ.
24140 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
24142 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
24145 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
24147 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
24149 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
24151 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
24153 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
24155 * toplev.c (rest_of_compilation): Allow machine dependent
24156 reorganisation pass to place information into the RTL dump
24157 file if it so wishes.
24159 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
24161 * explow.c (hard_function_value): Use VOIDmode instead of
24163 * stmt.c (expand_return): Likewise.
24164 * stor-layout.c (get_best_mode): Likewise.
24166 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
24167 emit call instead of emit_insn call.
24169 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
24171 * configure.in: Handle --disable/enable-win32-registry.
24172 * install.texi: Document --disable/enable-win32-registry.
24173 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
24174 (WIN32_REGISTRY_KEY): New macro.
24175 * prefix.c: Use to enable/disable win32-specific code.
24176 (lookup_key): Use versioned key.
24177 * configure: Regenerate.
24178 * config.in: Likewise.
24180 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
24182 * cpplib.c (read_line_number): New fn, split out of...
24185 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
24187 tree.c (lang_unsave_expr_now) : New.
24188 (unsave_expr_now): Call lang_unsave_expr_now.
24189 tree.h (lang_unsave_expr_now) : New.
24191 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
24193 * toplev.c (flag_new_exceptions): On by default.
24195 1999-08-13 Michael Meissner <meissner@cygnus.com>
24197 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
24199 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
24201 * dwarfout.c (fundamental_type_code): Return FT_boolean for
24202 INTEGER_TYPE with precision==1, it's __java_boolean.
24204 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24206 * global.c (prune_preferences): Move some invariants out of the
24209 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
24211 * configure.in (alpha*-dec-osf*): Add osf5.
24213 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
24215 * configure.in: Rework handling of ARM GNU/Linux slightly.
24216 (arm*-*-linux-gnuoldld): New target.
24217 * configure: Regenerate.
24218 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
24219 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
24220 * config/arm/linux-oldld.h: New file.
24221 * config/arm/linux-elf26.h: Don't include linux-elf.h.
24222 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
24224 * config/arm/linux-elf.h (ASM_SPEC): Define.
24225 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
24226 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
24227 for 26-bit APCS and old linker.
24228 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
24230 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
24231 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
24232 don't define `arm' or `arm_elf'.
24233 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
24234 MULTILIB_DIRNAMES): Define. Fix typo in comment.
24236 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
24238 * rtl.texi: Fix typo.
24240 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
24242 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
24244 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
24246 * extend.texi (C++ Signatures): Remove node.
24247 * invoke.texi: Remove discussion of -fhandle-signatures,
24248 signature, sigof, __signature__, and __sigof__.
24250 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
24252 * Makefile.in (JAVAGC): Removed.
24254 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
24256 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
24258 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
24260 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
24262 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
24264 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
24265 a register that is already known to be a pointer.
24267 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
24269 * fixinc/inclhack.tpl: Only install assert.h conditionally.
24270 * fixinc/inclhack.sh: Regenerated.
24271 * fixinc/fixincl.sh: Regenerated.
24273 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
24275 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
24276 Fix documentation of -ansi flag to describe its C++ behavior.
24277 Remove bogus reference to GCC 2.9.
24279 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
24281 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
24282 note if it is non-NULL.
24284 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24286 * except.h (eh_nesting_info): Add new structure defintion.
24287 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
24288 (reachable_handlers, update_rethrow_references): Add function
24290 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
24291 a rethrow symbol instead of an integer exception region number.
24292 * flow.c (Make_edges): Use new exception nesting routines to determine
24293 which handlers are reachable from a CALL or asynchronous insn.
24294 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
24296 (delete_eh_regions): Update rethrow labels, and don't delete
24297 regions which are the target of a rethrow.
24298 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
24299 avoid overloading the SYMBOL_REF_USED flag.
24300 (rethrow_symbol_map): Use new rethrow_ref field.
24301 (rethrow_used): Use new rethrow_ref field.
24302 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
24303 of an integer. Fix formatting.
24304 (output_exception_table_entry): Use new rethrow_ref field.
24305 (can_throw): Check for EH_REGION_NOTE before deciding
24306 whether a CALL can throw or not.
24307 (scan_region): Call rethrow_used() instead of accessing data structure.
24308 (update_rethrow_references): New function to make sure only regions
24309 which are still targets of a rethrow are flagged as such.
24310 (process_nestinfo): New static function to initialize a handler
24311 list for a specific region.
24312 (init_eh_nesting_info): New function to allocate and initialize
24313 the list of all EH handlers reachable from all regions.
24314 (reachable_handlers): New function to retrieve the list of handlers
24315 reachable from a specific region and insn.
24316 (free_eh_nesting_info): New function to dispose of a list of
24317 reachable handlers.
24319 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24321 * flow.c (split_edge): Set JUMP_LABEL field.
24322 (commit_one_edge_insertion): Set head correctly for insert_before.
24323 When inserting insns, update insn block numbers if allocated.
24325 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24327 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
24328 retry_incomplete_types): Add static prototype.
24329 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
24330 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
24331 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
24332 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
24333 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
24336 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
24337 dwarf2out_start_source_file, dwarf2out_line): Likewise.
24339 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24341 * output.h (assemble_name): Constify a char*.
24343 * varasm.c (UNIQUE_SECTION, assemble_start_function,
24344 assemble_variable, assemble_name): Likewise.
24346 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
24348 * arm/pe.c (arm_pe_unique_section): Likewise.
24350 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
24352 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
24354 * i386/interix.c (i386_pe_unique_section): Likewise.
24356 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
24358 * i386/winnt.c (i386_pe_unique_section): Likewise.
24360 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
24362 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
24364 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
24366 * pa/pa.c (output_call): Likewise.
24368 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
24370 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
24372 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
24375 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
24378 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
24380 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
24381 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
24383 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
24385 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24387 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
24389 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24391 * tree.h (lang_identify): Constify a char*.
24392 (print_error_function): Add extern prototype. Constify a char*.
24394 * c-lang.c (lang_identify): Constify a char*.
24396 * objc/objc-act.c (lang_identify): Constify a char*.
24398 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24400 * genpeep.c (main): Make generated file include "function.h".
24401 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
24403 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24405 * Makefile.in: Update dependencies.
24406 * alias.c: Include "function.h"
24407 * c-decl.c: Likewise.
24408 * caller-save.c: Likewise.
24409 * calls.c: Likewise.
24410 * combine.c: Likewise.
24412 * explow.c: Likewise.
24413 * final.c: Likewise.
24414 * global.c: Likewise.
24415 * graph.c: Likewise.
24416 * local-alloc.c: Likewise.
24417 * loop.c: Likewise.
24418 * optabs.c: Likewise.
24419 * profile.c: Likewise.
24420 * recog.c: Likewise.
24421 * regclass.c: Likewise.
24422 * regmove.c: Likewise.
24423 * reload.c: Likewise.
24424 * reorg.c: Likewise.
24425 * resource.c: Likewise.
24426 * sched.c: Likewise.
24427 * stupid.c: Likewise.
24428 * config/1750a/1750a.c: Likewise.
24429 * config/a29k/a29k.c: Likewise.
24430 * config/arc/arc.c: Likewise.
24431 * config/arm/arm.c: Likewise.
24432 * config/arm/thumb.c: Likewise.
24433 * config/c4x/c4x.c: Likewise.
24434 * config/clipper/clipper.c: Likewise.
24435 * config/convex/convex.c: Likewise.
24436 * config/fx80/fx80.c: Likewise.
24437 * config/i860/i860.c: Likewise.
24438 * config/m68k/m68k.c: Likewise.
24439 * config/m88k/m88k.c: Likewise.
24440 * config/mips/mips.c: Likewise.
24441 * config/pdp11/pdp11.c: Likewise.
24442 * config/pyr/pyr.c: Likewise.
24443 * config/romp/romp.c: Likewise.
24444 * config/sh/sh.c: Likewise.
24445 * config/tahoe/tahoe.c: Likewise.
24446 * config/vax/vax.c: Likewise.
24447 * config/we32k/we32k.c: Likewise.
24448 * config/sparc/sparc.c: Include "function.h".
24449 (mem_min_alignment): Test current_function rather than
24450 regno_pointer_align.
24451 * config/pa/pa.c: Likewise.
24452 (compute_frame_size): Delete declaration of
24453 current_function_outgoing_args_size.
24454 * config/arc/arc.h (current_function_varargs): Delete declaration.
24455 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
24457 * config/i370/i370.h (current_function_outgoing_args_size): Delete
24459 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
24460 current_function_uses_pic_offset_table.
24461 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
24462 of current_function_returns_pointer.
24463 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24464 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24465 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24466 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24467 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24468 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24469 * config/m88k/m88k.c: Include "function.h"
24470 (call_used_regs, current_function_pretend_args_size,
24471 current_function_outgoing_args_size, frame_pointer_needed): Delete
24473 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
24475 * config/mips/mips.h (current_function_calls_alloca): Delete
24477 * config/mn10200/mn10200.h (current_function_needs_context,
24478 rtx_equal_function_value_matters): Delete declarations.
24479 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
24480 flag_pic): Delete declarations.
24481 * config/pa/pa.h (current_function_pretend_args_size,
24482 current_function_decl): Delete declarations.
24483 * config/pa/som.h (current_function_varargs): Delete declaration.
24484 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
24486 * config/pyr/pyr.h (current_function_pretend_args_size,
24487 current_function_args_size, current_function_calls_alloca): Delete
24489 * config/sh/sh.h (current_function_varargs): Delete declaration.
24490 * config/sparc/sparc.h (current_function_outgoing_args_size,
24491 current_function_calls_alloca, current_function_decl): Delete
24493 * config/spur/spur.h (current_function_pretend_args_size,
24494 current_function_calls_alloca): Delete declarations.
24495 * config/v850/v850.c (current_function_outgoing_args_size): Delete
24497 * config/vax/vms.h (current_function_name): Delete declaration.
24498 * gcse.c: Include "function.h".
24499 (current_function_name, current_function_calls_setjmp): Delete
24501 * haifa-sched.c: Include "function.h".
24502 (forced_labels): Delete declaration.
24503 * jump.c: Likewise.
24504 * reg-stack.c: Likewise.
24505 * reload1.c: Likewise.
24506 * genemit.c (main): Make generated file include function.h.
24507 * genoutput.c (output_prologue): Likewise.
24509 * builtins.c (saveregs_value, apply_args_value): Delete variables.
24510 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
24511 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
24512 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
24513 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
24514 macros for some of them.
24515 (emit_filename, emit_lineno): Delete declarations.
24516 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
24517 regno_pointer_* variables through current_function.
24518 (gen_inline_header_rtx): Delete function.
24519 (save_emit_status): Delete function.
24520 (set_new_last_label_num): New function.
24521 (clear_emit_caches): New function.
24522 (restore_emit_status): Just clear last_labelnum and call
24524 (get_last_insn_anywhere): Variable sequence_stack is now accessed
24525 through macro seq_stack.
24526 (add_insn_after): Likewise.
24527 (add_insn_before): Likewise.
24528 (remove_insn): Likewise.
24529 (pop_topmost_sequence): Likewise.
24530 (in_sequence_p): Likewise.
24531 (start_sequence_for_rtl_expr): Likewise.
24532 (start_sequence): Likewise, and likewise for
24533 sequence_rtl_expr/seq_rtl_expr.
24534 (push_topmost_sequence): Likewise.
24535 (end_sequence): Likewise.
24536 (init_virtual_regs): Now takes a "struct emit_status *" argument.
24537 All callers changed. Store into that pointer instead of globals.
24538 (init_emit): Allocate emit elt of current_function.
24539 Changes for sequence_rtl_expr/sequence_stack renaming.
24540 Call clear_emit_caches instead of doing it in-line.
24541 Access regno_pointer_* variables through current_function.
24542 (init_emit_once) Don't clear sequence_stack.
24544 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
24546 (arg_pointer_save_area): Delete declaration.
24547 (finish_expr_for_function): Renamed from init_queue; no longer static.
24548 (init_expr): Don't call init_queue.
24549 (save_expr_status, restore_expr_status): Delete functions.
24550 (expand_expr): Changes to reflect new layout of struct function.
24551 Don't access current_function_check_memory_usage when current_function
24553 * expr.h (forced_labels, save_expr_regs, saveregs_value,
24554 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
24555 current_function_outgoing_args_size, current_function_arg_offset_rtx,
24556 current_function_uses_const_pool, function_call_count,
24557 current_function_uses_pic_offset_table, nonlocal_labels,
24558 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
24559 current_function_check_memory_usage, nonlocal_goto_handler_slots,
24560 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
24562 (finish_expr_for_function): Declare.
24563 * flags.h (current_function_has_nonlocal_label,
24564 current_function_has_nonlocal_goto, current_function_is_thunk,
24565 current_function_has_computed_jump): Delete declarations.
24566 * flow.c (forced_labels): Delete declaration.
24567 * function.c (current_function_pops_args,
24568 current_function_returns_struct, current_function_returns_pcc_struct,
24569 current_function_needs_context, current_function_calls_setjmp,
24570 current_function_calls_longjmp, current_function_has_nonlocal_label,
24571 current_function_has_nonlocal_goto, current_function_is_thunk,
24572 current_function_has_computed_jump, current_function_calls_alloca,
24573 current_function_contains_functions, current_function_returns_pointer,
24574 current_function_epilogue_delay_list, current_function_args_size,
24575 current_function_pretend_args_size, current_function_arg_offset_rtx,
24576 current_function_outgoing_args_size, current_function_varargs,
24577 current_function_stdarg, current_function_args_info, cleanup_label,
24578 current_function_name, current_function_uses_const_pool,
24579 current_function_instrument_entry_exit, current_function_return_rtx,
24580 current_function_uses_pic_offset_table, nonlocal_labels,
24581 current_function_internal_arg_pointer, current_function_cannot_inline,
24582 current_function_check_memory_usage, function_call_count,
24583 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
24584 nonlocal_goto_stack_level, return_label, save_expr_regs,
24585 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
24586 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
24587 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
24588 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
24589 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
24591 (push_function_context_to): Don't save them. Don't call
24592 save_storage_status, save_emit_status or save_expr_status.
24593 (pop_function_context_from): Don't restore them. Don't call
24594 restore_storage_status or restore_expr_status.
24595 (get_func_frame_size): New function.
24596 (get_frame_size): Use it.
24597 (assign_outer_stack_local): Reflect some member name changes in struct
24599 (put_reg_into_stack): Likewise.
24600 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
24602 (fixup_var_refs): Likewise.
24603 (fix_lexical_addr): Likewise.
24604 (trampoline_address): Likewise.
24605 (prepare_function_start): Clear field inlinable of current_function.
24606 (init_function_for_compilation): New function.
24607 (expand_dummy_function_end): New function.
24608 (expand_function_end): Call finish_expr_for_function.
24609 * function.h (struct emit_status): New; fields moved here from struct
24610 function and from global variables. Add accessor macros for some of
24612 (struct expr_status): Likewise.
24613 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
24614 (struct function): Add fields expr and emit, inlinable, inl_emit,
24615 original_arg_vector, original_decl_initial, inl_last_parm_insn,
24616 inl_max_label_num. Add many comments.
24617 Add accessor macros for all elts of struct function that no longer
24618 have a global variable.
24619 (cleanup_label, return_label, frame_offset, tail_recursion_label,
24620 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
24621 stack_slot_list): Delete declarations.
24622 (get_func_frame_size): Declare.
24623 (save_expr_status, restore_expr_status, save_emit_status,
24624 save_storage_status, restore_storage_status): Delete declarations.
24625 (init_virtual_regs): Declare.
24626 * output.h (current_function_pops_args,
24627 current_function_returns_struct, current_function_returns_pcc_struct,
24628 current_function_needs_context, current_function_calls_setjmp,
24629 current_function_calls_longjmp, current_function_calls_alloca,
24630 current_function_has_nonlocal_label, current_function_varargs,
24631 current_function_has_computed_jump, current_function_returns_pointer,
24632 current_function_contains_functions, current_function_args_size,
24633 current_function_pretend_args_size, current_function_stdarg,
24634 current_function_outgoing_args_size, current_function_args_info,
24635 current_function_name, current_function_return_rtx,
24636 current_function_epilogue_delay_list,
24637 current_function_uses_const_pool, current_function_cannot_inline):
24638 Delete declarations.
24639 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
24640 regno_reg_rtx): Delete declaration.
24641 (REGNO_POINTER_FLAG): Delete macro.
24642 * stmt.c (expand_goto): Changes to reflect that some fields in struct
24643 function were renamed.
24644 * stor-layout.c (save_storage_status, restore_storage_status): Delete
24646 * toplev.c: Include "function.h".
24647 (current_function_decl): Delete declaration.
24648 (compile_file): Call init_dummy_function_start and
24649 expand_dummy_function_end around some initializations that need to
24651 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
24652 Call init_function_for_compilation.
24653 * unroll.c: Include "function.h"
24654 (unroll_loop): Access regno_pointer_* variables through
24657 * tree.h (struct tree_decl): Add elt f to saved_insns member.
24658 (DECL_SAVED_INSNS): use it.
24659 (expand_dummy_function_end): Declare.
24660 (init_function_for_compilation): Declare.
24661 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
24662 that it's no longer an INLINE_HEADER.
24663 (expand_call): Likewise.
24664 * integrate.c (finish_inline): Delete function.
24665 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
24666 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
24667 args. Don't generate an INLINE_HEADER rtx, just return the arg
24668 vector. All callers changed.
24669 (save_for_inline_copying): Create a duplicate struct emit_status to
24670 hold the emit state for compiling the current function. Use this and
24671 the other new fields in struct function that are for integration
24672 instead of an INLINE_HEADER.
24673 Use memcpy instead of bcopy.
24674 Store the current struct function in DECL_SAVED_INSNS of fndecl.
24675 (save_for_inline_nocopy): Similar changes, except no new emit_status
24677 (expand_inline_function): Get information from function structure,
24678 not from an inline header rtx.
24679 (output_inline_function): Lose code to extract the necessary
24680 information from an inline header; simply put back the function
24681 structure into current_function. Clear its inlinable elt.
24682 * rtl.def (INLINE_HEADER): Delete.
24683 * rtl.h: Delete all accessors for an INLINE_HEADER.
24684 (gen_inline_header_rtx): Delete declaration.
24685 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
24686 Delete declarations.
24687 (REGNO_POINTER_ALIGN): Delete.
24688 (clear_emit_caches): Declare.
24689 (set_new_last_label_num): Declare.
24691 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
24693 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
24695 * except.c (expand_eh_region_start_for_decl): Always start a new block.
24696 * stmt.c (is_eh_region): Make sure current_function is present, too.
24698 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
24700 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
24701 for 64bit PA targets.
24703 * pa.h (SELECT_SECTION): Define.
24704 * som.h (SELECT_SECTION): Delete.
24706 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24708 * alias.c (init_alias_analysis): Wrap call to
24709 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
24711 1999-08-07 Bruce Korb <autogen@linuxbox.com>
24713 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
24714 <sys/asm.h> contains an asm comment with an apostrophe
24715 * fixinc/inclhack.sh: regen
24716 * fixinc/fixincl.x: regen
24718 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
24720 * function.c (init_function_start): Clear prologue & epilogue.
24721 (prologue_epilogue_contains): New function.
24722 * alias.c (init_alias_analysis): Use it.
24723 * rtl.h (prologue_epilogue_contains): Declare it.
24725 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
24727 * jump.c (onlyjump_p): New function.
24728 * rtl.h: Declare it.
24729 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
24730 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
24732 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
24734 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
24735 to invert loops. Simplify block scanning.
24737 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24739 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
24740 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
24742 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
24744 * config/sparc/liteelf.h: New file to support sparclite-elf target
24745 * config/sparc/t-sp86x: New file to support sparc86x targets
24746 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
24747 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
24748 * configure.in: Support above target triplets
24749 * configure: Regenerated
24751 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
24753 * fixinc/server.c (server_setup): Do not prefix function used as
24754 parameter with `&'.
24756 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
24758 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
24759 Remove fp reg alternatives.
24761 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
24763 * Makefiin (TAROUTOPTS): Kill.
24764 (install-headers-tar): Use "xpf" for tar headerfile extraction
24765 * i370/x-oe (TAROUTOPTS): Delete.
24766 * m68k/x-apollo68 (TAROUTOPTS): Delete.
24767 * m68k/x-hp320 (TAROUTOPTS): Delete.
24768 * m68k/x-hp320g (TAROUTOPTS): Delete.
24769 * gcc.texi: Update bug reporting text.
24771 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
24773 * reg-stack.c (change_stack) Fixed problem with negative array index.
24775 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
24777 * extend.texi, install.texi: Fix spelling mistakes.
24779 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
24780 (s-attrtab); No longer try to use pre-made insn-attrtab file.
24781 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
24782 PREMADE_ATTRTAB_MD.
24783 * mips/t-ecoff: Likewise.
24784 * mips/t-elf: Likewise.
24785 * mips/t-mips: Likewise.
24786 * mips/t-osfrose: Likewise.
24787 * mips/t-r3900: Likewise.
24788 * mips/t-svr3: Likewise.
24789 * mips/t-svr4: Likewise.
24790 * mips/t-ultrix: Likewise.
24792 * gcc.texi: Document recommend means to provide software floating
24793 point libraries in libgcc.a
24795 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
24797 * c-lex.c (yylex): We can have a number with no digits.
24799 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
24801 * jump.c (delete_prior_computation): New function, broken
24802 out of delete_computation. Check for side effects with
24803 side_effects_p instead of FIND_REG_INC_NOTE. Handle
24804 multi-word hard registers.
24805 (delete_computation): Use it. Check for side effects with
24806 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
24807 missing REG_DEAD note for a register which is both set and
24810 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
24812 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
24813 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
24814 (ASM_FILE_START): Import _mcount with the right type.
24815 (ASM_DECLARE_FUNCTION_NAME): Define.
24816 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
24817 * pa.c (output_function_prologue): Always emit the function's label
24819 * pa.h (TEXT_SPACE_P): Define.
24820 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
24821 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
24822 * som.h (TEXT_SPACE_P): Delete.
24823 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
24824 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
24826 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
24828 * expr.c (emit_group_load): Allow src to be a CONCAT.
24830 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24832 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
24833 (___mulsi3): Use '!' comment character.
24835 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24837 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
24839 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
24841 * gcc.c: Update URLs and mail addresses.
24842 * gcc.texi: Likewise.
24844 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
24846 * rs6000.c (current_file_function_operand): Return zero for
24848 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
24850 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
24853 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
24855 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
24856 allocate space in the stack frame for the PIC register.
24858 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
24860 * m68k.md (xordi3, anddi3): These patterns are not available on
24863 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
24865 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
24866 (PUT_REAL): Likewise.
24868 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24870 * final.c (shorten_branches): Don't add an alignment for loops
24871 that have no label inside.
24873 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24875 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
24876 prototypes in macro HAVE_cmpstrsi.
24878 * cpplib.c (cpp_get_token): Remove unused label `op3'.
24880 * emit-rtl.c (operand_subword): Remove unused variable
24883 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
24885 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
24887 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
24889 * cpphash.c (macroexpand): Delete leading whitespace when arg
24890 is concatenated before.
24891 (unsafe_chars): Correct test for whether + and - can extend a
24894 * cppinit.c (cpp_start_read): Do dependencies for
24895 -include/-imacros files also.
24897 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
24898 tokenizing non-directive lines.
24899 (cpp_expand_to_buffer): Temporarily disable no-output mode.
24900 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
24903 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24905 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
24907 * c-lex.c: Sync with C++ frontend.
24908 (linemode): New variable.
24909 (parse_float): imag, conversion_errno, and type are output only.
24910 (yylex): Adjust. Move initial '.' case into main switch.
24912 (handle_generic_pragma): Just deal with tokens.
24913 (readescape): Use ISXDIGIT and ISGRAPH.
24914 * c-parse.in: Add END_OF_LINE token.
24916 * c-lex.c (lang_init): Generalize.
24917 (nextchar): Remove. Replace uses with UNGETC.
24918 (skip_white_space): Handle linemode here. Optimize for cpplib.
24919 (skip_white_space_on_line): Remove.
24920 (extend_token_buffer_to): New fn.
24921 (extend_token_buffer): Use it.
24922 (read_line_number, check_newline): Just deal with tokens.
24923 (token_getch, token_put_back): New fns.
24924 (yylex): Use them. More cpplib optimizations. Simplify.
24926 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24927 Jason Merrill <jason@yorick.cygnus.com>
24929 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
24930 (consume_string): Make this smart about USE_CPPLIB.
24931 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
24932 (yylex): Rewrite to be intelligent about USE_CPPLIB.
24933 Also, clean up cases where we redundantly set token_buffer[0].
24934 (read_line_number): New fn.
24935 (ignore_escape_flag): New variable.
24937 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
24939 * a29k/t-a29kbare: Fix some comments.
24940 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
24941 (FPBIT, DPBIT): Define.
24942 * a29k/t-vx29k: Likewise.
24943 * arc/t-arc: Likewise.
24944 * arm/t-arm-elf: Likewise.
24945 * arm/t-bare: Likewise.
24946 * arm/t-pe: Likewise.
24947 * arm/t-pe-thumb: Likewise.
24948 * arm/t-semi: Likewise.
24949 * arm/t-thumb: Likewise.
24950 * arm/t-thumb-elf: Likewise.
24951 * arm/t-thumb-linux: Likewise.
24952 * h8300/t-h8300: Likewise.
24953 * i960/t-i960: Likewise.
24954 * i960/t-vxworks960: Likewise.
24955 * m32r/t-m32r: Likewise.
24956 * mips/t-ecoff: Likewise.
24957 * mips/t-elf: Likewise.
24958 * mips/t-r3900: Likewise.
24959 * pa/t-pro: Likewise.
24960 * rs6000/t-aix43: Likewise.
24961 * rs6000/t-beos: Likewise.
24962 * rs6000/t-newas: Likewise.
24963 * rs6000/t-ppccomm: Likewise.
24964 * rs6000/t-rs6000: Likewise.
24965 * rs6000/t-winnt: Likewise.
24966 * rs6000/t-xnewas: Likewise.
24967 * rs6000/t-xrs6000: Likewise.
24968 * sh/t-sh: Likewise.
24969 * sparc/t-elf: Likewise.
24970 * sparc/t-sparcbare: Likewise.
24971 * sparc/t-sparclite: Likewise.
24972 * sparc/t-splet: Likewise.
24973 * v850/t-v850: Likewise.
24974 * mn10200/t-mn10200: Fix comments.
24975 * mn10300/t-mn10300: Likewise.
24977 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
24978 dummy operand. Allocate a new pseudo for the dummy operand.
24979 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
24981 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
24983 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
24985 * configure: Rebuilt.
24986 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
24988 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
24990 * recog.c (preproces_constraints): Zero recog_op_alt before
24991 processing the constraints.
24993 * arm.c (typedef minipool_node): Renamed from pool_node.
24994 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
24995 (add_minipool_constant): New function.
24996 (dump_minipool): New function.
24997 (find_barrier): Remove special case for getting the insn size of
24998 an insn that references the constant pool.
24999 (minipool_fixup): New structure.
25000 (push_minipool_barrier): New function.
25001 (push_minipool_fix): New function.
25002 (note_invalid_constants): New function.
25003 (add_pool_constant, dump_table, fixit, broken_move): Delete.
25004 (arm_reorg): Rewrite code to fix up the constant pool into a
25005 series of mini-pools embedded in the insn stream.
25006 (arm_output_epilogue): New function, made mainly from the body
25007 of output_func_epilogue.
25008 (output_func_epilogue): Move insn generation part of epilogue code
25009 to arm_output_epilogue.
25010 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
25011 * arm.md (pool_range): New attribute.
25012 (zero_extendqidi2): Add attribute pool_range.
25013 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
25014 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
25015 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
25016 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
25017 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
25018 (epilogue): New expand.
25019 (epilogue_insn): New insn. Call arm_output_epilogue.
25021 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
25022 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
25024 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25026 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
25028 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
25030 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
25032 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
25034 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
25036 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
25038 * global.c: Fix comment.
25040 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
25042 * gcc.c (access_check): New static function.
25043 (find_a_file): Use it when searching a directory list.
25044 * collect2.c (find_a_file): Don't accept directories found when
25045 searching a directory list.
25047 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
25049 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
25050 function parameters with `&'.
25051 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
25053 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
25055 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
25056 or tidy_fallthru_edge if the last insn in the block is not
25057 an unconditional jump or a simple conditional jump.
25059 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25061 * Makefile.in (c-decl.o): Depends on defaults.h.
25063 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
25065 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
25067 (CLASS_MAX_NREGS): Likewise.
25069 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
25071 * cse.c (cse_insn): Fix dumb thinko in last change.
25073 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25075 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
25078 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
25080 * dwarf2out.c (add_location_or_const_value_attribute): Correct
25081 test for sizes of passed and declared parameter types.
25083 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25085 * fixincludes: Fix the return type of bsearch, char* -> void*.
25087 * fixinc/inclhack.def: Likewise.
25089 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
25091 * invoke.texi (-fdump-translation-unit): New option.
25093 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
25095 * expr.h (PROMOTE_PROTOTYPES): Move ...
25096 * defaults.h: ... to here.
25097 * c-decl.c: Include defaults.h instead of expr.h.
25098 * c-typeck.c: Include defaults.h.
25100 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
25102 * toplev.h (errorcount): Declare.
25103 (warningcount): Likewise.
25104 (sorrycount): Likewise.
25105 * c-lex.c (errorcount): Don't declare.
25106 * dwarf2out.c (errorcount): Don't declare.
25108 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
25110 * config/libgloss.h: Add a note discouraging use with ELF.
25111 * configure.in: Don't use libgloss.h for ELF targets.
25112 Always use_collect2 on a.out targets.
25114 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
25116 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
25117 (force_to_mode, case ASHIFTRT): Add shiftrt label.
25119 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25121 * loop.c (strength_reduce): When doing biv->giv conversion, update
25122 reg note of NEXT->insn.
25124 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25126 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
25128 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25130 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
25131 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
25132 Ensure expr.h is included.
25133 * c-typecheck.c (convert_arguments): Ditto.
25135 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
25137 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
25138 * config/convex/convex.h: Ditto.
25139 * config/dsp16xx/dsp16xx.h: Ditto.
25140 * config/fx80/fx80.h: Ditto.
25141 * config/gmicro/gmicro.h: Ditto.
25142 * config/i370/i370.h: Ditto.
25143 * config/i386/i386.h: Ditto.
25144 * config/m32r/m32r.h: Ditto.
25145 * config/m68k/m68k.h: Ditto.
25146 * config/m88k/m88k.h: Ditto.
25147 * config/mips/mips.h: Ditto.
25148 * config/pa/pa.h: Ditto.
25149 * config/pyr/pyr.h: Ditto.
25150 * config/tahoe/tahoe.h: Ditto.
25151 * config/we32k/we32k.h: Ditto.
25153 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
25154 based on arch size.
25156 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
25158 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
25161 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
25163 1999-08-02 Richard Henderson <rth@cygnus.com>
25165 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
25166 for the register spill block.
25167 (m32r_va_arg): New.
25168 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
25169 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
25171 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
25172 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
25173 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
25175 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25177 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
25178 MAX_WCHAR_TYPE defined in sparc.h.
25179 * config/sparc/linuxaout.h: Likewise.
25180 * config/sparc/linux64.h: Likewise.
25181 Also default to -mvis if CPU is UltraSPARC.
25183 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25185 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
25186 (RTX_OK_FOR_OLO10): Likewise.
25187 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
25188 %lo(), allow it in addresses...
25189 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
25190 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
25191 does not make sense.
25192 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
25193 (sparc_output_scratch_registers): New function.
25194 (output_function_prologue, sparc_flat_output_function_prologue): Use
25196 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
25198 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
25199 * configure.in: Add check for .register pseudo-op support in as and
25200 check for offsetable %lo().
25201 * acconfig.h: Add templates for the above checks.
25202 * configure: Regenerate.
25204 1999-08-02 Richard Henderson <rth@cygnus.com>
25206 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
25207 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
25208 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
25210 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25212 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25215 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25217 * config/float-sparc.h: New file.
25218 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
25219 sparc-*-linux-gnu and sparc64-*-linux*.
25221 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25223 * rs6000.c (rs6000_va_list): Type is an array.
25224 (rs6000_va_start): Don't doubly adjust for varargs.
25225 (rs6000_va_arg): Evaluate long long GPR adjustment.
25227 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
25229 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
25230 -maix64 and -maix32.
25231 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
25232 LINK_SPEC): Change appropriately.
25233 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
25234 (u_short_cint_operand): Likewise.
25235 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
25237 * rs6000/t-aix43 (MULTILIB): Change to -m64.
25239 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
25241 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
25243 * rs6000/rs6000.c (num_insns_constant_wide): Correct
25244 for type promotion.
25245 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
25246 (non_add_cint_operand): Likewise.
25247 (logical_operand): Likewise.
25248 (non_logical_cint_operand): Likewise.
25249 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
25250 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
25251 (rs6000_select_rtx_section): Suppress warning.
25252 (small_data_operand): Suppress warning.
25253 (rs6000_got_register): Suppress warning.
25254 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
25255 type, so `J' is generally the wrong constraint for a SImode value;
25257 (andsi3_internal2): Likewise.
25258 (andsi3_internal3): Likewise.
25259 (iorsi3_internal1): Likewise.
25260 (xorsi3_internal1): Likewise.
25262 (movsf_softfloat): Likewise.
25263 (scc insns): Likewise.
25264 (movsi+2): Preserve sign bits of SImode constant.
25265 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
25266 (movdf+1): Sign-extend properly.
25267 (movdi_32+1): Sign-extend properly.
25268 (scc insns): Sign-extend properly.
25270 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
25273 1999-08-02 Richard Henderson <rth@cygnus.com>
25275 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
25276 -mcpu parsing code.
25277 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
25278 * alpha.md (all fp insns): Likewise.
25280 1999-08-02 Nick Clifton <nickc@cygnus.com>
25282 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
25285 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
25287 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
25288 pic_load_label generator directly.
25289 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
25290 No longer a named pattern.
25292 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
25294 * explow.c (force_reg): Call force_operand if X does not
25295 satisfy general_operand.
25297 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
25299 * fix-header.c (main): When testing for CONTINUED, use string
25300 equality, not pointer equality.
25302 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
25304 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
25306 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
25308 * cse.c (cse_insn): Fix loop which deletes insns after a jump
25309 that has become an unconditional jump.
25311 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
25312 (output_function_epilogue): Similarly.
25314 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25316 * tree.h (init_dummy_function_start): Declare.
25318 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25320 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
25321 last_expr_type, last_expr_value, block_start_count, block_stack,
25322 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
25323 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
25324 dynamically in stmt elt of struct function for each function.
25325 (struct nesting): Rename function_call_count elt to n_function_calls,
25326 target_temp_slot_level to block_target_temp_slot_level. All users
25328 (struct stmt_status): New structure definition.
25329 Add many accessor macros for stmt_status elements which previously
25330 were global variables.
25331 (init_stmt_for_function): Allocate stmt elt for current_function.
25332 Reflect that block_start_count was renamed to
25333 current_block_start_count.
25334 (save_stmt_status, restore_stmt_status): Delete functions.
25335 (preserve_subexpressions_p): Don't access loop_stack when outside
25337 (expand_start_bindings): Reflect that block_start_count was renamed to
25338 current_block_start_count.
25339 (expand_fixup): Likewise.
25340 (expand_decl): Don't access block_stack when outside a function.
25341 (expand_decl_cleanup): Likewise.
25342 (expand_dcc_cleanup): Likewise.
25343 (expand_dhc_cleanup): Likewise.
25344 (expand_anon_union_decl): Likewise.
25345 (set_file_and_line_for_stmt): New function.
25346 (in_control_zone_p): New function.
25348 * function.h (struct function): Add new elt stmt.
25349 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
25350 case_stack, nesting_stack, nesting_depth, block_start_count,
25351 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
25352 emit_lineno, goto_fixup_chain.
25353 (save_eh_status, restore_eh_status, save_stmt_status,
25354 restore_stmt_status): Delete declarations.
25355 * function.c (push_function_context_to): Don't call save_stmt_status.
25356 (pop_function_context_to): Don't call restore_stmt_status.
25357 * tree.h (in_control_zone_p): Declare.
25358 * rtl.h (set_file_and_line_for_stmt): Declare.
25360 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
25361 call set_file_and_line_for_stmt.
25363 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
25365 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
25366 Also update copyright.
25368 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25370 * c-pragma.c: Don't include "except.h".
25371 * emit-rtl.c: Likewise.
25372 * stor-layout.c: Likewise.
25373 * tree.c: Likewise.
25374 * varasm.c: Likewise.
25376 * flow.c: Include "function.h".
25377 * tree.h (init_dummy_function_start): Declare new function.
25379 * except.h (struct eh_status): New structure.
25380 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
25382 (eh_return_stub_label, ehstack, catchstack, ehqueue,
25383 catch_clauses, false_label_stack, caught_return_label_stack,
25384 protect_list, current_function_ehc): Add accessor macros for the
25385 corresponding fields in current_function->eh; delete declarations
25386 for all items that used to be declared here.
25387 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
25388 catch_clauses, false_label_stack, caught_return_label_stack,
25389 protect_list, current_function_ehc): Delete variables.
25390 (init_eh_for_function): Allocate current_function->eh.
25391 (save_eh_status, restore_eh_status): Delete functions.
25393 * function.h (struct function): Add fields next_global and eh.
25394 Delete all exception handling related fields.
25395 * function.c (current_function): New variable.
25396 (all_functions): New variable.
25397 (push_function_context_to): Don't allocate a struct function,
25398 use current_function instead. Call init_dummy_function_start when
25399 outside a function. Clear current_function before returning.
25400 (pop_function_context_from): Restore current_function.
25401 Don't free the restored struct function.
25402 (prepare_function_start): New function.
25403 (init_dummy_function_start): New function.
25404 (init_function_start): Break out some code into prepare_function_start
25407 * stmt.c (save_stmt_status): Don't call save_eh_status.
25408 (restore_stmt_status): Don't call restore_eh_status.
25410 * Makefile.in: Update dependencies.
25412 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
25414 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
25415 of depending on a magic constant value. Update comments.
25416 (hppa_expand_prologue): Similarly.
25418 * pa.md (reload_indi, reload_outdi): Allow any register for the
25419 original reload register.
25421 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
25423 * cccp.c (print_help): Change marcos to macros.
25425 1999-07-30 Richard Henderson <rth@cygnus.com>
25427 * c-typeck.c (initializer_constant_valid_p): Move ...
25428 * c-common.c (initializer_constant_valid_p): ... here. Use
25429 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
25430 of label addresses.
25431 * c-common.h (initializer_constant_valid_p): Declare.
25432 * c-tree.h (initializer_constant_valid_p): Remove.
25434 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
25436 * config/i386/sol2-c1.asm: Align the stack.
25437 * config/i386/sol2-gc1.asm: Likewise.
25439 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
25441 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
25442 -Asparclite for sparc86x.
25443 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
25445 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
25447 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
25449 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
25450 the user if using the non-default arch size in BI_ARCH configuration.
25451 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
25453 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
25454 Fix patterns so that they actually match.
25455 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
25456 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
25457 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
25459 (mulsidi3): Reflect this in the expand.
25460 (smulsi3_highpart): Only on TARGET_ARCH32.
25461 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
25462 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
25463 (umulsidi3): Reflect this in the expand.
25464 (umulsi3_highpart): Only on TARGET_ARCH32.
25465 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
25466 don't require g0 to be zero.
25467 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
25468 ({,u}divsi3): New expands.
25469 ({,u}divsi3_sp64): New patterns.
25470 (after lshrdi3_v8plus): Four new patterns to help combiner
25471 optimizing nested mixed mode shifts.
25473 * config/sparc/sparc.c (sparc_override_options): Use deprecated
25474 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
25475 speed things up. Don't use them by default on plain v9 in 64bit
25476 mode, according to what SPAMv9 sais.
25478 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
25479 top 32 bits of %[og][0-7] in signal handlers.
25480 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
25482 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
25484 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
25485 (ashlsi3): Corresponding changes.
25487 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
25489 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
25491 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
25493 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25495 * arm.h (Hint): Delete macro.
25496 Substitute HOST_WIDE_INT for Hint in some prototypes.
25497 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
25499 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
25501 * builtins.c (expand_builtin_setjmp): Use force_operand to
25502 make sure that the buffer address is in a suitable form to be
25503 passed to force_reg.
25505 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
25507 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
25510 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
25512 * pa.md (indirect_jump): Remove mode from match_operand. Verify
25513 proper mode in the condition string.
25514 (icacheflush, dcacheflush): Remove modes from match_operands.
25516 * pa.c (emit_move_sequence): Always convert scratch_reg to the
25517 proper mode before using it.
25519 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
25522 * pa.c (store_reg): Do not call add_high_const generator directly.
25523 (load_reg, set_reg_plus_d): Likewise.
25524 * pa.md (add_high_const): No longer a named pattern.
25526 * pa.c (legitimize_address): Consistently use Pmode rather than
25527 SImode. Do not call gen_pic2_highpart directly anymore.
25528 * pa.md (pic2_highpart): No longer a named pattern.
25529 (pic2_lo_sum): Similarly. Reformat to make more readable.
25531 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
25536 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25538 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
25540 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
25542 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
25543 and tag the spill mems.
25544 (hppa_va_start): New.
25545 (hppa_va_arg): New.
25546 * pa.h (EXPAND_BUILTIN_VA_START): New.
25547 (EXPAND_BUILTIN_VA_ARG): New.
25549 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
25551 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
25552 and tag the spill mems.
25553 (mn10300_va_start): New.
25554 (mn10300_va_arg): New.
25555 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
25556 (EXPAND_BUILTIN_VA_ARG): New.
25558 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
25560 * mn10200.c (mn10200_va_arg): New.
25561 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
25563 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
25565 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
25566 rather than play with TREE_INT_CST_LOW.
25568 1999-07-27 Philip Blundell <pb@nexus.co.uk>
25570 * config/arm/telf.h: Include dbxelf.h.
25571 (CPP_PREDEFINES): Only define if not already defined.
25572 (ASM_IDENTIFY_GCC): Likewise.
25573 (SUBTARGET_EXTRA_SECTIONS): Likewise.
25574 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
25575 * config/arm/thumb.h (LINK_SPEC): Only define if not already
25577 (DBX_DEBUGGING_INFO): Don't define.
25578 * config/arm/linux-telf.h: New file.
25579 * config/arm/linux-tgas.h: New file.
25580 * config/arm/t-thumb-linux: New file.
25581 * config/arm/uclinux-elf.h: New file.
25582 * config/arm/uclinux-telf.h: New file.
25583 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
25584 thumb-*-uclinux): New targets.
25585 * configure: Regenerate.
25587 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
25589 * pa.md (post_store, pre_load): New expanders.
25590 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
25591 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
25592 need to directly generate RTL for them.
25593 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
25596 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
25598 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
25599 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
25600 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
25601 (secndary_reload_class): Make TARGET_ELF conditional compile.
25602 (print_operand_address): Similar.
25603 (output_toc): Print all values as hex.
25604 (get_issue_rate): Rearrange and add RS64A and PPC630.
25605 * rs6000.h (processor_type): Add RS64A and PPC630.
25606 (PROCESSOR_POWERPC64): New.
25607 (PROMOTE_MODE): Use word_mode.
25608 (RTX_COSTS): Add RS64A and PPC630.
25609 * rs6000.md (scheduling information): Add lmul and ldiv
25610 representing 64-bit integer multiply and divide. Add rs64a and
25611 PPC630 information.
25612 (ashldi3): Add support for "rldic" instruction.
25613 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
25615 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
25617 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
25618 instead of V8 for sparclite86x in cpu_table.
25620 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25622 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
25623 output_file_directive.
25625 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
25627 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
25628 tree for op1, not the rtl.
25630 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
25632 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
25633 to m88k_va_start, leaving only the register spill.
25634 (m88k_build_va_list): New.
25635 (m88k_va_start): New.
25636 (m88k_va_arg): New.
25637 * m88k.h (BUILD_VA_LIST_TYPE): New.
25638 (EXPAND_BUILTIN_VA_START): New.
25639 (EXPAND_BUILTIN_VA_ARG): New.
25641 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
25643 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
25644 Rename from expand_builtin_saveregs.
25645 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
25647 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
25649 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
25650 for the register spill block.
25651 (i960_build_va_list): New.
25652 (i960_va_start): New.
25653 (i960_va_arg): New.
25654 * i960.h (BUILD_VA_LIST_TYPE): New.
25655 (EXPAND_BUILTIN_VA_START): New.
25656 (EXPAND_BUILTIN_VA_ARG): New.
25657 * i960.md (store_multiple): Use change_address on individul mems.
25659 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
25661 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
25663 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
25664 (expand_builtin_va_end): Evaluate arg for side effects.
25665 * c-common.c (c_common_nodes_and_builtins): Construct a
25666 va_list_arg_type_node to handle array decomposition to pointer.
25668 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
25670 * except.c (st_dynamic_cleanup): Use force_operand on the
25673 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
25675 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
25676 * c4x.c (c4x_va_arg): New.
25678 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
25680 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
25681 has manual_pop set.
25683 1999-07-26 Nathan Sidwell <nathan@acm.org>
25685 * eh-common.h (__eh_matcher): Prototype correctly.
25687 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
25689 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
25690 (TARGET_SINGLE_PIC_BASE): Likewise.
25691 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
25693 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
25694 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
25695 (TARGET_OPTIONS): Add -mpic-register=N.
25696 (OUTPUT_INT_ADDR_CONST): New macro.
25697 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
25698 LEGITIMATE_PIC_OPERAND_P): Likewise.
25699 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
25700 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
25701 output_addr_const directly.
25702 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
25704 (thumb_pic_register, thumb_pic_register_string): Declare.
25706 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
25708 (label_mentioned_p): New function: Imported from arm.c.
25709 (legitimize_pic_address): New function: Imported from arm.c.
25710 (is_pic):New function: Imported from arm.c.
25711 (thumb_finalize_pic):New function: Imported from arm.c.
25712 (add_constant): Cope with PIC constants.
25713 (fixit): Cope with PIC constants.
25714 (output_return): Do not treat the PIC register as live if
25715 TARGET_SINGLE_PIC_BASE is true.
25716 (thumb_function_prologue): Do not treat the PIC register as live if
25717 TARGET_SINGLE_PIC_BASE is true.
25718 (thumb_expand_prologue): Do not treat the PIC register as live if
25719 TARGET_SINGLE_PIC_BASE is true.
25720 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
25721 TARGET_SINGLE_PIC_BASE is true.
25722 (thumb_print_operand): Accept '|'.
25723 (thumb_override_options): Process PIC options.
25725 * config/arm/thumb.md (movsi): Support PIC.
25726 (call_insn): Change "i" constraint to "X".
25727 (call_value_insn): Likewise.
25728 (consttable_4, consttable_8, consttable_end): Set and clear
25729 "making_const_table" as appropriate.
25730 (pic_load_addr, pic_add_dot_plus_four): New insns.
25732 * invoke.texi (Thumb Options): Fix spelling. Document new
25733 options -msingle-pic-base and -mpic-register=.
25735 1999-07-26 Andrew Haley <aph@cygnus.com>
25737 * config/m32r/initfini.c (__init): Use a full word immediate for
25738 __fini: this allows it to be placed in any memory region.
25740 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
25741 -mmodel=medium. This is OK for all memory models.
25743 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
25745 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
25746 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
25748 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
25750 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
25753 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
25755 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
25757 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
25758 (BUILD_VA_LIST_TYPE): New.
25759 (EXPAND_BUILTIN_VA_START): New.
25760 (EXPAND_BUILTIN_VA_ARG): New.
25761 * i860.c (output_delayed_branch): Disable.
25762 (output_delay_insn): Likewise.
25763 (i860_saveregs): New.
25764 (i860_build_va_list): New.
25765 (i860_va_start): New.
25766 (i860_va_arg): New.
25767 * i860.md: Disable all peepholes using output_delayed_branch.
25768 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
25770 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
25772 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
25773 (BUILD_VA_LIST_TYPE): New.
25774 (EXPAND_BUILTIN_VA_START): New.
25775 (EXPAND_BUILTIN_VA_ARG): New.
25776 * clipper.c (clipper_builtin_saveregs): Only dump registers.
25777 Return the address of the save area.
25778 (clipper_build_va_list): New.
25779 (clipper_va_start): New.
25780 (clipper_va_arg): New.
25782 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
25784 * arc.h (EXPAND_BUILTIN_VA_START): New.
25785 (EXPAND_BUILTIN_VA_ARG): New.
25786 * arc.c (arc_setup_incoming_varargs): Set alias set of
25788 (arc_va_start): New.
25791 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
25793 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
25794 (BUILD_VA_LIST_TYPE): New.
25795 (EXPAND_BUILTIN_VA_START): New.
25796 (EXPAND_BUILTIN_VA_ARG): New.
25797 * alpha.c (alpha_builtin_saveregs): Delete.
25798 (alpha_build_va_list): New.
25799 (alpha_va_start): New.
25800 (alpha_va_arg): New.
25802 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
25804 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
25806 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
25807 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
25809 * gcc.texi: More changes related to list conversion.
25810 * invoke.texi: Likewise.
25812 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
25814 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
25815 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
25816 (expand_builtin_next_arg): Accept ARGLIST not EXP.
25817 (stabilize_va_list): New function.
25818 (std_expand_builtin_va_start): New function.
25819 (expand_builtin_va_start): New function.
25820 (get_varargs_alias_set): New function.
25821 (std_expand_builtin_va_arg): New function.
25822 (expand_builtin_va_arg): New function.
25823 (expand_builtin_va_end): New function.
25824 (expand_builtin_va_copy): New function.
25825 (expand_builtin): Call them.
25826 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
25827 __builtin_{varargs_start,stdarg_start,end,copy}.
25828 (build_va_arg): New function.
25829 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
25830 (build_va_arg): Declare.
25831 * c-decl.c (ptr_type_node, va_list_type_node): New.
25832 * c-parse.gperf (__builtin_va_arg): New.
25833 * c-parse.in (VA_ARG): New token.
25834 (unary_expr): Recognize it.
25835 * expr.c (expand_expr): Expand VA_ARG_EXPR.
25836 * expr.h (std_expand_builtin_va_start): Declare.
25837 (std_expand_builtin_va_arg): Declare.
25838 (expand_builtin_va_arg): Declare.
25839 (get_varargs_alias_set): Declare.
25840 * tree.def (VA_ARG_EXPR): New.
25841 * tree.h (BUILT_IN_VARARGS_START): New.
25842 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
25843 (ptr_type_node, va_list_type_node): Declare.
25844 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
25845 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
25846 * m88k.h, m88k.c: Likewise.
25847 * mn10300.h, mn10300.c: Likewise.
25848 * pa.h, pa.c: Likewise.
25849 * rs6000.h, rs6000.c: Likewise.
25850 * sh.h, sh.c: Likewise.
25851 * sparc.h, sparc.c: Likewise.
25853 * emit-rtl.c (operand_subword): Copy alias set.
25854 (change_address): Likewise.
25856 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
25858 * pa.c (compute_frame_size): Scan all the used callee saved registers,
25859 not just the first one.
25861 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
25863 * config/arm/arm.h (TARGET_SWITCHES): Add
25864 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
25865 (TARGET_OPTIONS): Add -mpic-register=.
25866 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
25867 (arm_pic_register_string): Declare.
25868 (NEED_PLT_GOT): Delete, replace with ...
25869 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
25870 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
25871 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
25872 * config/arm/arm.c (arm_override_options): Add new option
25874 (arm_pic_register_string): New variable.
25875 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
25876 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
25877 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
25878 (output_return_instruction): Likewise.
25879 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
25880 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
25881 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
25883 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
25884 mention of -msched-prolog. Document new options -msingle-pic-base
25885 and -mpic-register=.
25887 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
25889 * haifa-sched.c (reemit_notes): Tidy.
25890 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
25893 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
25895 * explow.c (trunc_int_for_mode): New function.
25896 (plus_constant_wide): Use it.
25897 * combine.c (simplify_and_const_int): Likewise.
25898 (merge_outer_ops): Likewise.
25899 (simplify_shift_const): Likewise.
25900 * cse.c (simplify_unary_operation): Likewise.
25901 (simplify_binary_operation): Likewise.
25902 * emit-rtl.c (operand_subword): Likewise.
25903 * rtl.h: Declare it.
25905 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25907 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
25908 (use NUM_REGS instead of NUM_INTS).
25910 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25912 * builtins.c: New file.
25913 * expr.c (saveregs_value, apply_args_value): Delete definition,
25914 moved into builtins.c.
25915 (string_constant): No longer static.
25916 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
25917 apply_args_size, apply_result_size, result_vector,
25918 expand_builtin_apply_args, expand_builtin_apply,
25919 expand_builtin_return): Delete functions, moved into builtins.c.
25920 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
25921 * expr.h (saveregs_value, apply_args_value): Declare variables.
25922 (expand_builtin, string_constant): Declare functions.
25923 * Makefile.in: Update to build builtin.o.
25925 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
25927 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
25928 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
25929 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
25930 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
25932 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
25935 1999-07-21 Michael Meissner <meissner@cygnus.com>
25937 * print-rtl.c (print_rtx): Print the names of the virtual
25940 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
25942 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
25943 introduced in previous delta.
25945 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25947 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
25948 to avoid name clash.
25950 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
25952 * c-lex.c (yylex) : Correct the test for overflow when lexing
25955 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
25957 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
25958 (adjust_priority): Always call ADJUST_PRIORITY.
25959 (schedule_insn): Only put insns into the ready at cost 0.
25960 (schedule_block): Remove redundant initial sort. Give clock_var
25961 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
25963 * tm.texi (MD_SCHED_REORDER): Update docs.
25965 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
25966 * sparc.c (ultra_reorder_called_this_block): Delete.
25967 (ultrasparc_sched_init): Don't set it.
25968 (ultrasparc_sched_reorder): Don't check it.
25970 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
25972 * rs6000.h (struct rs6000_args): Add sysv_gregno.
25973 * rs6000.c (init_cumulative_args): Init sysv_gregno.
25974 (function_arg_boundary): Align DFmode.
25975 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
25976 to get fp reg and stack overflow correct.
25977 (function_arg): Likewise.
25978 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
25979 (setup_incoming_varargs): Restructure for ABI_V4; use
25980 function_arg_advance to skip final named argument.
25981 (expand_builtin_saveregs): Properly unskip the last integer arg
25982 when doing varargs. Adjust overflow location calculation.
25984 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
25985 explicitly unsigned.
25986 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
25987 (__VA_GP_REGSAVE): Similarly.
25988 (__va_longlong_p): Delete.
25989 (__va_arg_type_violation): New declaration.
25990 (va_arg): Restructure. Flag promotion errors. Align double.
25991 TFmode passed by reference.
25993 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
25994 in the HOST_BITS_PER_WIDE_INT > 32 case.
25996 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
25998 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
26000 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
26002 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
26003 * toplev.c (documented_lang_options): Add -fpreprocessed.
26004 * cpplib.h (struct cpp_buffer): Add preprocessed.
26005 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
26006 (cpp_start_read): Don't expand macros or emit an initial #line
26007 directive if -fpreprocessed.
26009 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
26011 * cpplib.h (struct cpp_buffer): Added manual_pop for
26012 better C++ tokenization.
26013 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
26014 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
26015 * c-common.c (cpp_token): Make non-static.
26017 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26019 * c-common.h: New file.
26020 * c-common.c (permanent_obstack): Delete unused declaration.
26021 (c_global_trees): New array.
26022 (c_common_nodes_and_builtins): New function; split off common code
26023 from init_decl_processing in both c-decl.c and cp/decl.c.
26024 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
26025 c_global_trees and accessor macros defined in c-common.h.
26026 Include c-common.h.
26027 * c-decl.c: Delete definitions for tree nodes that were replaced by
26029 (init_decl_processing): Build void_list_node.
26030 Call c_common_nodes_and_builtins; delete code to generate the common
26032 * objc/objc-act.c (build_module_descriptor): Rename variable
26033 void_list_node to avoid clash with c-common.h.
26035 * Makefile.in: Update dependencies.
26036 * objc/Make-lang.in: Likewise.
26038 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
26040 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
26041 (UNIQUE_SECTION_P): Likewise.
26042 (UNIQUE_SECTION): Likewise.
26044 1999-07-19 Linas Vepstas <linas@linas.org>
26046 * config/i370/README: New file.
26047 * config/i370/linux.h: New file.
26048 * config/i370/mvs.h: New file.
26049 * config/i370/oe.h: New file.
26050 * config/i370/t-linux: New file.
26051 * config/i370/t-mvs: New file.
26052 * config/i370/t-oe: New file.
26053 * config/i370/x-oe: New file.
26054 * config/i370/xm-linux.h: New file.
26055 * config/i370/xm-mvs.h: New file.
26056 * config/i370/xm-oe.h: New file.
26058 * i370.c (label_node_t): Add first_ref_page, label_addr,
26059 label_first_ref, label_last_ref members.
26060 (mvs_need_base_reload): Renamed from mvs_label_emitted.
26061 (MAX_MVS_LABEL_SIZE): Define.
26062 (MAX_LONG_LABEL_SIZE): Define.
26063 (alias_node_t, alias_anchor, alias_number): New.
26064 (mvs_function_table): Reorder for EBCDIC.
26065 (ascebc, ebcasc): Unconditionally define.
26066 (i370_branch_dest, i370_branch_length): New functions.
26067 (i370_short_branch, i370_label_scan): New functions.
26068 (mvs_get_label): Renamed from mvs_add_label. Search for
26069 an existing label before creating a new one.
26070 (mvs_add_label): New function.
26071 (mvs_get_label_page): New function.
26072 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
26073 over the entire list.
26074 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
26075 (mvs_check_page) [TARGET_ELF_ABI]: New function.
26076 (mvs_add_alias, mvs_need_alias): New functions.
26077 (mvs_get_alias, mvs_check_alias): New functions.
26078 (handle_pragma): New function.
26079 (mvs_function_check): New function.
26080 (unsigned_jump_follows_p): Search harder.
26081 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
26082 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
26083 * i370.h (TARGET_VERSION): Delete.
26084 (CPP_SPEC, CPP_PREDEFINES): Delete.
26085 (mvs_label_emitted): Delete.
26086 (TARGET_EBCDIC): Delete.
26087 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
26088 (HANDLE_PRAGMA): Define.
26089 (HARD_REGNO_NREGS): Handle complex modes.
26090 (HARD_REGNO_MODE_OK): Likewise.
26091 (CLASS_MAX_NREGS): Likewise.
26092 (RET_REG): Likewise.
26093 (EXTRA_CONSTRAINT): Define.
26094 (RETURN_IN_MEMORY): True for DImode.
26095 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
26096 (FUNCTION_PROFILER): Delete.
26097 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
26098 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
26099 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
26100 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
26101 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
26102 (ASM_FILE_START): Add "RMODE ANY".
26103 (ASM_OUTPUT_EXTERNAL): Check for aliases.
26104 (ASM_GLOBALIZE_LABEL): Likewise.
26105 (ASM_OUTPUT_LABELREF): Likewise.
26106 (ASM_OUTPUT_COMMON): Likewise.
26107 (PRINT_OPERAND): Handle 'K', 'W', default.
26108 (PRINT_OPERAND_ADDRESS): New.
26109 (Lots of defines): Add support for TARGET_ELF_ABI.
26110 * i370.md (attr length): New. Define for all patterns.
26111 (*): Lots of tweeks to assembly output and constraints.
26113 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
26115 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
26116 Disable patterns performing SImode comparisons with SImode values
26117 if TARGET_POWERPC64 and instruction does not sign-extend or does
26118 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
26119 differ for signed quantities.
26120 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
26121 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
26122 (decrement_and_branch_on_count): Add 64-bit variant.
26124 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26126 * final.c (output_asm_insn): When searching for the matching string
26127 for a given dialect, don't run past the end of the list of
26128 alternatives if there are fewer alternatives in the template than
26131 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
26133 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
26134 Removed paragraph about compression of files and size limitation,
26135 duplicated in the FAQ. Use gcc-patches for posting patches.
26136 * gcc.c (main): Updated URL with bug reporting instructions to
26137 gcc.gnu.org. Removed e-mail address.
26138 * system.h (abort): Likewise.
26140 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26142 * Makefile.in (stmp-multilib-sub): Make the files extracted
26143 from $(LIBGCC1) writable.
26145 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
26147 * config/arm/aout.h: Reformat for improved readability.
26149 * config/arm/arm.h: Reformat for improved readability.
26150 Replace uses of fprintf with asm_fprintf where appropriate.
26151 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
26152 function declaration assembler actions.
26153 (NUM_INTS): New macro: Convert from bytes to words.
26154 (NUM_REGS): New macro: Compute number of registers required to
26155 hold a quanitity of tyep MODE.
26156 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
26158 (NUM_ARG_REGS): New macro: The number of argument registers
26160 (ARG_REGISTER): New macro: Compute the register number of the Nth
26162 (LAST_ARG_REGNUM): New macro: The number of the last argument
26164 (SP_REGNUM): New macro: Register number of the stack pointer.
26165 (FP_REGNUM): New macro: Register number of the frame pointer.
26166 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
26167 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
26168 CUMULATIVE_ARGS so that it counts registers not bytes.
26170 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
26172 Replace uses of fprintf with asm_fprintf where appropriate.
26173 (output_ascii_pseudo_op): Replace with version from thumb.c
26175 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
26177 * config/arm/elf.h (CPP_PREDEFINES): Replace with
26178 SUBTARGET_CPP_SPEC.
26179 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
26180 (ASM_FILE_START): Emit ASM_APP_OFF.
26182 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
26184 * pa.c (compute_frame_size): Round frame according to
26185 STACK_BOUNDARY rather than a hardwired value.
26187 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
26189 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
26191 * configure: Rebuilt.
26193 * configure.in (hppa*-*-linux*): New configuration.
26194 * configure: Rebuilt.
26195 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
26196 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
26197 * pa/pa-linux.h: New file.
26198 * pa/t-linux: New file.
26199 * pa/xm-linux.h: New file.
26201 * pa.c (hppa_legitimize_address): Change references from SImode to
26202 either Pmode or word_mode as appropriate.
26203 (emit_move_sequence, store_reg, load_reg): Likewise.
26204 (set_reg_plus_d, hppa_expand_prologue): Likewise.
26205 (output_mul_insn): Likewise.
26206 * pa.h (PROMOTE_MODE): Likewise.
26207 (INITIALZE_TRAMPOLINE): Likewise.
26208 (Pmode): Define to word_mode.
26210 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
26211 value of 4. Allocate 8 bytes for each FP register save.
26212 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
26214 (hppa_expand_prologue): Likewise.
26215 * pa.h (PROMOTE_MODE): Likewise.
26216 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
26217 (FUNCTION_ARG_BOUNDARY): Likewise.
26219 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
26221 * pa.c (out_of_line_prologue_epilogue): Delete.
26222 (override_options): Remove -mspace related code.
26223 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
26224 (compute_frame_size): Only allocate space for register that
26225 actually need to be saved.
26226 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
26227 (TARGET_SWITCHES): Remove -mspace, -mno-space
26228 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
26229 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
26230 * pa/ee.asm, pa/ee_fp.asm: Delete.
26232 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
26234 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
26235 directive in column zero.
26237 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
26239 * m68k.c (output_function_prologue): Fix computation of save mask
26240 when generating PIC code.
26242 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
26244 * tree.c (build_type_attribute_variant): Move current_obstack restore
26245 after build_qualified_type call.
26247 1999-07-15 Mark Mitchell <mark@codesourcery.com>
26249 * configure.in: Use t-iris6, even with GNU LD.
26250 * config/mips/iris6gld.h: Fix typo in linker spec.
26251 * config/mips/t-iris6gld: Remove.
26253 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
26255 * rs6000.md (insv, extzv): Remove SImode dependence in named
26256 patterns. Explicitly generate DImode RTL if PowerPC64 and
26258 (insvdi): Reverse start and size in instruction template.
26260 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
26262 * invoke.texi: Typo fixes.
26264 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
26266 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
26267 handle at this time instead of silently generating incorrect code.
26268 (gen_imagpart): Likewise.
26270 * reload.c (find_reloads): Emit a USE for a pseudo register without
26271 a hard register if we could not create an optional reload for the
26274 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26276 * c-typeck.c (output_init_element, process_init_element):
26277 When advancing constructor_unfilled_fields for a RECORD_TYPE,
26278 check for nameless bit fields.
26280 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
26282 * regclass.c (scan_one_insn): Notice subregs that change the
26283 size of their operand.
26284 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
26286 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
26288 * configure.in (alpha*-*-*): Include alpha/t-ieee.
26289 * configure: Rebuilt.
26290 * alpha/t-ieee: New file.
26292 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
26294 * rs6000.c (find_addr_reg): Do not select r0 as an address
26297 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
26299 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
26301 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
26303 * rs6000.md (movsf): Do not force easy FP constants into memory.
26305 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
26306 immed_double_const to ensure they are properly truncated then
26309 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
26311 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
26312 always unless NO_DEBUG is used. Compile this code
26314 (replace_symbols_in_block): Compile it unconditionally.
26316 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
26318 * configure.in (i?86-*-elf*): New target.
26319 * configure: Rebuilt.
26320 * i386/i386elf.h, i386/t-i386elf: New files.
26322 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
26324 * toplev.c (main): Don't complain about saying -gdwarf.
26325 (rest_of_compilation): Remove redundant code.
26327 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
26329 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
26331 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
26333 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
26334 "Li960R:", to avoid name clash.
26336 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26338 * loop.c (check_dbra_loop): When reversing a loop, delete all
26339 REG_EQUAL notes referencing the reversed biv except those which are
26340 for a giv based on it.
26342 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
26344 * version.c: Drop "gcc-" prefix from version #.
26346 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
26348 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
26349 the label if we're being verbose.
26351 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
26353 * m68k.c (output_function_prologue): Add pic register to mask
26354 if live and flag_pic.
26355 (output_function_epilogue): Likewise.
26357 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
26359 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
26360 directives in column zero.
26362 * pa/elf.h (ASM_FILE_START): Define.
26363 * pa/som.h (ASM_FILE_START): Include .level directives.
26364 * pa/hpux10.h (ASM_FILE_START): Delete.
26365 * pa/hpux11.h (ASM_FILE_START): Delete.
26367 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
26369 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26371 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
26372 when reload_out equals reload_in.
26374 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
26376 * invoke.texi (Spec Files): New node: Describe the contents of
26379 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
26381 * invoke.texi (DEC Alpha Options): Put @end table at
26382 beginning of line, to avoid confusing texi2html.
26384 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
26386 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
26387 introduced in previous delta.
26389 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26391 * reload1.c (gen_reload): When synthesizing a 3 operand add
26392 sequence, improve test for when to reload OP1 into the reload
26393 register instead of OP0.
26395 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
26397 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
26399 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
26401 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
26404 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
26406 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
26407 (va_dcl): Use __builtin_va_alist_t.
26409 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
26411 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
26412 on the permanent_obstack.
26413 * dwarfout.c (output_type): Likewise.
26415 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
26417 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
26418 Merged from c-typeck.c and cp/typeck.c.
26419 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
26420 Merged into c-common.
26422 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
26424 * c-lex.c (errorcount): Declare it.
26425 (finish_parse): Update errorcount when using CPPLIB.
26427 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
26429 * fixinc/inclhack.def(end_else_label): Double the backslash so
26430 sed gets a chance to see it.
26431 * fixinc/inclhack.sh: regen
26432 * fixinc/fixincl.x: regen
26434 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
26436 Add framework to support armv5 architecture when it becomes
26439 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
26440 (arm_arch5): New variable.
26441 (all_architectures): Add armv5 line.
26442 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
26443 -march=armv5 is specified on the command line.
26444 (arm_arch5): Export this variable.
26445 * invoke.texi: Document new string accepted by -march= switch for
26448 * config/arm/arm.h: Replace use of constant 12 as a register
26449 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
26450 * config/arm/arm.c: Replace use of constant 12 as a register
26451 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
26453 * config/arm/elf.h: Tidy up.
26454 * config/arm/coff.h: Tidy up.
26456 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
26458 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
26459 * gcc/config/mips/t-iris6gld: New file.
26460 * gcc/config/mips/iris6gld.h: Likewise.
26462 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
26464 * c-decl.c (widest_integer_literal_type_node,
26465 widest_unsigned_literal_type) : New.
26466 (init_decl_processing): Handle/use the two new types.
26467 * c-common.c (type_for_size,type_for_mode) : Same.
26468 * c-lex.c (yylex) : Same.
26469 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
26471 * c-tree.h (widest_integer_literal_type_node,
26472 widest_unsigned_literal_type) : New.
26474 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
26476 * dwarfout.c (field_byte_offset): Correctly compute the object's
26477 byte offset for the first bit of a field which crosses an alignment
26478 boundary on a !BYTES_BIG_ENDIAN target.
26480 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
26482 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
26485 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
26486 Jeff Law <law@cygnus.com>
26488 * ginclude/varargs.h (va_dcl): Use word_mode for type of
26491 * except.c: Include intl.h.
26492 (expand_eh_return): Set current_function_cannot_inline.
26493 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
26494 * function.h (struct function): Add eh_return_stub_label.
26495 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
26496 * Makefile.in (except.o): Depend on intl.h.
26498 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
26500 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
26501 same as offsettable in cases 1 and 2.
26503 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
26505 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
26506 (extlh, extwh): Likewise.
26508 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
26510 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
26512 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
26514 * configure.in: Add arm-pe and thumb-pe targets.
26515 * configure: Regenerate.
26517 * thumb.c (arm_naked_function_p): New function: Determines if
26518 a function is naked (has no gcc generated prologue/epilogue).
26519 (is_called_in_ARM_mode): Return true if the func has the
26520 interfacearm attribute.
26521 (output_return): Do not generate a return for naked functions.
26522 (thumb_function_prologue): Do not generate a prologue for
26524 (thumb_expand_prologue): Do not generate a prologue for naked
26526 (thumb_expand_epilogue): Do not generate an epilogue for naked
26528 (arm_valid_machine_decl_attribute): New function, copied from
26529 arm.c: Permit naked and interfacearm attributes.
26531 * config/arm/pe.c: New file: Support code for arm-pe target.
26532 * config/arm/pe.h: New file: Header file for arm-pe target.
26533 * config/arm/tpe.h: New file: Header file for thumb-pe target.
26534 * config/arm/t-thumb-pe: New file: Makefile fragment for
26537 1999-07-01 Mark Kettenis <kettenis@gnu.org>
26539 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
26540 -fPIC or -fpic is specified.
26542 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
26544 * expr.c (emit_block_move): Use copy_to_mode_reg for
26545 !TARGET_MEM_FUNCTIONS case too.
26547 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
26549 * configure: Rebuilt.
26550 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
26551 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
26552 definitions made redundant by dbxelf.h inclusion. Delete
26553 lots of definitions related to assembly output that are
26554 specific to the SOM object format.
26555 * pa.c (output_function_prologue): Do not emit the function's
26557 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
26558 * pa-pro.h: Deleted.
26559 * som.h: New file with SOM specific definitions.
26560 * elf.h: New file with ELF specific definitions.
26562 * elfos.h (const_section): Output a tab before assembler directives.
26563 (ctors_section, dtors_section): Likewise.
26564 (ASM_OUTPUT_SECTION_NAME): Likewise.
26566 * pa/pa1.h: Delete unused file.
26568 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
26570 * configure.in (hppa*-hp-hpux11*): New configuration.
26571 * configure: Rebuilt.
26572 * pa/pa-hpux11.h: New file.
26573 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
26576 * mips.md (leasi, leadi): New patterns.
26578 * expr.c (emit_block_move): Properly handle case where one of the
26579 block move arguments has a queued increment or decrement.
26580 (clear_storage): Similarly. Fix formatting goof.
26582 1999-06-28 "David O'Brien" <obrien@NUXI.com>
26584 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
26585 semicolon from the BSD VA_LIST replacement expression.
26587 * fixinc/inclhack.sh: regen
26588 * fixinc/fixincl.x: regen
26590 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
26591 now use the fixincl program.
26593 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
26595 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
26596 case. Also make the PIC register call_used.
26598 * m68k.h (FINALIZE_PIC): Delete.
26599 * m68k.c (finalize_pic): Delete.
26601 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
26603 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
26606 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
26608 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
26610 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
26612 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
26614 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
26616 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
26618 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
26620 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
26622 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
26624 * rs6000.c (output_toc): Always use hex values for floating-point
26625 constants. Store single-precision values in upper-half of TOC
26626 entry in 64-bit mode.
26627 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
26628 to final constraints.
26629 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
26630 (fctiwz): Improve accuracy of RTL for pattern.
26632 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
26634 * expr.c (expand_expr): Allow RTL_EXPR's through the
26635 MAX_INTEGER_COMPUTATION_MODE checks.
26637 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
26639 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
26640 such that MASK_SUPPORT_ARCH is not negative.
26642 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
26644 * loop.c (verify_dominator): Properly handle ADDR_VEC and
26645 ADDR_DIFF_VEC insns that appear inside loops.
26647 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
26648 Jeff Law <law@cygnus.com>
26650 * rs6000.md (movdf_hardfloat32): Revert previous patch.
26651 Handle LO_SUM the same as offsettable in cases 1 and 2.
26652 * rs6000.c (find_addr_reg): Revert previous patch.
26654 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
26656 * system.h (strstr): New external function declaration.
26657 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
26658 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
26659 * config.in, configure: Rebuilt.
26661 1999-06-24 Tom Tromey <tromey@cygnus.com>
26663 * gcc.c (main): Read user-specified specs files after computing
26664 additional startfile_prefixes.
26666 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
26668 Revert these two patches:
26670 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26671 * loop.c (strength_reduce): When doing biv->giv conversion, update
26672 reg note of NEXT->insn.
26674 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26675 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
26677 (recombine_givs): Set ix field after sorting.
26679 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26681 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
26682 for the parts of an UNSPEC / UNSPEC_VOLATILE.
26684 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
26686 *fixinc/inclhack.def: Add fix development commentary
26687 (read_ret_type): reactivate and add selection clause
26688 (zzz_*): tweak output file name to match what is used in hackshell.tpl
26689 *fixinc/{fixincl.x|inclhack.sh}: regen
26691 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
26693 * expr.c (expand_expr): STRIP_NOPS before checking against
26694 MAX_INTEGER_COMPUTATION_MODE
26695 (check_max_integer_computation_mode): Likewise.
26697 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
26699 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
26701 1999-06-22 Jim Wilson <wilson@cygnus.com>
26703 * expr.c (store_expr): When target is a promoted subreg, return a
26704 promoted subreg as a result.
26706 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
26708 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
26710 (dwarf2out_define): Mark unused parameters appropriately.
26711 (gen_unspecified_parameters_die): Ditto.
26712 (gen_subprogram_die): Fix signed/unsigned warnings.
26713 (gen_variable_die): Ditto.
26715 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
26717 * fixinc/inclhack.def(end_else_label): combined else_label
26718 and endif_label and fixed the sed expression.
26719 *fixinc/{fixincl.x|inclhack.sh}: regen
26721 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
26723 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
26724 'x' when handling non-offsettable addresses
26726 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
26728 * final.c (shorten_branches): Don't try to split an insn that has
26731 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
26733 * config/mips/mips.c (symbolic_expression_p): New function.
26734 (mips_select_rtx_section): Put symbolic expressions in the
26735 data section, not the read-only data section.
26737 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
26739 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
26741 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
26743 * collect2.c (main): Log frame table count.
26744 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
26745 (scan_prog_file) [COFF]: Handle frame tables.
26747 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
26748 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
26749 * alpha/elf.h: Undef them again.
26750 * alpha/vms.h: Remove their definitions.
26752 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26754 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
26755 remove the clobber of r0 and change the REG_UNUSED note to
26758 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
26760 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
26761 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
26762 fits in HOST_WIDE_INT and one uses union to access a long constant
26765 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
26767 * sparc.c (sparc_override_options): Don't allow profiling for
26768 code models other than medlow.
26769 (sparc_function_profiler): New function from old FUNCTION_PROFILER
26770 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
26771 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
26772 (sparc_block_profiler): Likewise.
26773 (sparc_function_block_profiler_exit): Likewise.
26774 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
26775 (FUNCTION_BLOCK_PROFILER): Likewise.
26776 (BLOCK_PROFILER): Likewise.
26777 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
26778 (MCOUNT_FUNCTION): New.
26779 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
26780 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
26781 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
26782 (MCOUNT_FUNCTION): New.
26783 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
26784 (BLOCK_PROFILER): Delete.
26785 (MCOUNT_FUNCTION): New.
26787 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
26789 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
26791 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
26793 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26796 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26799 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26802 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26805 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
26807 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
26810 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
26812 * i386/djgpp.h (LIB_SPEC): New.
26813 (STARTFILE_SPEC): New.
26815 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
26817 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
26819 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
26822 * system.h (WSTOPSIG): New macro.
26824 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
26826 * c-pragma.c (push_alignment): Don't ignore alignments greater than
26828 (insert_pack_attributes): Take into account member natural
26831 * i386/winnt.c (exports_head): New static variable.
26832 (i386_pe_record_exported_symbol): New function.
26833 (i386_pe_asm_file_end): Use.
26834 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
26835 symbols to be emitted at end of assembly.
26836 (ASM_DECLARE_OBJECT_NAME): Likewise.
26837 (ASM_DECLARE_FUNCTION_NAME): Likewise.
26839 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
26842 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
26844 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
26847 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
26849 * haifa-sched.c (sched_analyze_1): Use free_list instead of
26850 zapping reg_last_uses directly.
26851 (sched_analyze_2, sched_analyze_insn): Likewise.
26852 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
26854 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
26856 * rs6000.md (movdf_hardfloat32): Use worst case insn length
26857 attributes for cases 1 and 2.
26859 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
26861 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
26864 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
26866 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
26868 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
26870 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
26871 PIC_OFFSET_TABLE_REGNUM for general alloaction.
26872 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
26873 must be stacked if it is used for PIC accesses.
26874 * arm.c (use_return_insn): Handle PIC register specially.
26875 (output_return_instruction): Likewise.
26876 (output_func_{prologue,epilogue}): Likewise.
26877 (output_expand_prologue): Likewise.
26879 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
26880 (*strsi_predec): Renamed from *strqi_predec.
26881 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
26882 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
26884 * arm.c (arm_override_options): Remove warning about PIC code
26885 not being supported.
26887 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
26889 * rs6000.c (find_addr_reg): New function.
26890 * rs6000.h (find_addr_reg): Declare.
26891 (offsettable_addr_operand): Delete.
26892 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
26893 from and stores to GPRs.
26895 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
26897 * alpha.c (alpha_expand_block_move): Use get_insns rather than
26898 gen_sequence as argument to emit_no_conflict_block.
26900 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26902 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
26903 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
26904 *fixinc/fixincl.x: regen
26905 *fixinc/inclhack.sh: regen
26907 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
26909 * added support for -mpcrel (PC relative addressing for m68k)
26910 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
26911 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
26912 * m68k.c (print_operand_address): Handle 32-bit PIC case.
26913 (comments for general_src_operand): Add some explanation
26914 about EXTRA_CONSTRAINTS.
26915 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
26916 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
26917 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
26918 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
26919 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
26920 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
26921 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
26922 if not already set.
26923 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
26924 * m68k.h (TARGET_PCREL): New target flag.
26925 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
26926 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
26927 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
26928 contains a SYMBOL_REF. Relax this constraint during reload, since
26929 we want to use the predicates, not reload's built-in concept of a
26930 valid memory address, to control what insns need reloading.
26931 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
26932 operands (essentially 'g', 'm', and 's' under normal circumstances).
26933 * m68k.c (print_operand): Cause printing of pc-relative addresses
26934 to include pc register.
26935 (print_operand_address): Ditto.
26936 (general_src_operand): Accept operands that are not only
26937 general_operands, but are also valid when used as a pc-relative
26939 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
26940 (memory_src_operand): Similar, for memory_operands.
26941 (pcrel_address): New predicate to accept the special case of a
26942 pc-relative address.
26943 * m68k.md (many patterns): Rewrite common SImode, HImode, and
26944 QImode insns to accept *_src_operand instead of *_operand where
26945 pc-relative operands can fit. For example, a pc-relative operand
26946 can be used as a memory source operand for addsi3, but not as a
26947 memory destination.
26948 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
26950 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
26952 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
26953 .thumb_set pseudo op to mark aliases of thumb functions.
26955 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
26957 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
26958 preference to ASM_OUTPUT_DEF, if it is defined.
26960 * tm.texi: Document new, optional target macro
26961 ASM_OUTPUT_DEF_FROM_DECLS.
26963 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26965 * fixincludes: ISCNTL patch
26966 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
26967 (dgux_int_varargs): new for DG/UX
26968 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
26970 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
26972 * invoke.texi (ia32 options): Fix typo.
26974 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26976 * loop.c (strength_reduce): When doing biv->giv conversion, update
26977 reg note of NEXT->insn.
26979 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
26981 * loop.c (move_movables): Note issues with replacing REGs with
26983 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
26985 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
26987 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
26989 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
26990 the reference to `mcount' was not correct for the ELF on FreeBSD.
26992 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26994 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
26997 (recombine_givs): Set ix field after sorting.
26999 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
27001 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
27002 to safe to extract a subword out of a REG.
27004 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27006 * sh.md (mulsi3): Don't add a no-op move at the end.
27008 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27010 * cse.c (cse_insn): Don't put hard register source into tables for
27011 the last insn of a libcall.
27013 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27015 * loop.c (strength_reduce): Insert sets of derived givs at every
27016 biv increment, even if it's the only one.
27018 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
27020 * dwarfout.c (add_incomplete_type): New fn.
27021 (output_type): Call it.
27022 (retry_incomplete_types): New fn.
27023 (dwarfout_finish): Call it.
27025 From Eric Raskin <ehr@listworks.com>:
27026 (output_type): Output types for bases.
27028 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
27030 * mips.c (mips_output_conditional_branch): Add `break'
27031 between `default' label and `close braces'.
27033 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
27035 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
27036 specifications and make it realistic.
27037 (LIB_SPEC): Likewise.
27039 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
27041 * config/mips/mips.c (mips_secondary_reload_class): Check for
27042 (PLUS (SP) (REG)) and return appropriate register class.
27043 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
27044 Handle (PLUS (SP) (REG)).
27045 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
27046 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
27047 of emit_insn for tablejump.
27049 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
27051 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
27052 asm_fprintf format string by itself.
27053 (output_function_profiler): Likewise.
27055 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
27057 * combine.c (simplify_logical, case AND): Only call
27058 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
27059 or the constant is positive.
27061 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
27063 * configure.in: Fix typo in rs6000-ibm-aix4 case.
27064 * configure: Regenerate.
27066 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
27068 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
27069 require a sub-version #.
27070 * configure: Rebuilt.
27072 1999-06-14 Robert Lipe (robertlipe@usa.net)
27074 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
27076 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
27078 * c-typeck.c (process_init_element): Detect excess elements in
27079 char array initializer.
27081 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
27083 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
27085 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
27087 * invoke.texi (Option Summary): Add -fpermissive flag.
27089 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
27091 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
27092 that require PIC code sequences.
27094 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
27096 * configure.in: Add new target: thumb-elf.
27097 * configure: Regenerate.
27098 * config/arm/t-thumb-elf: New file: Makefile fragment for
27100 * config/arm/telf.h: New file: Header file for thumb-elf
27103 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
27105 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
27106 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
27107 initializers is some circumstances.
27109 * fixinc/inclhack.def (endif_label): Add additional selector for
27110 more bogus stuff after #endif statements.
27111 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
27113 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
27115 * i386/cygwin.h (SET_ASM_OP): Define.
27117 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
27119 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
27121 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27123 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
27126 * sh.md (ic_invalidate_line_i): Remove second alternative.
27128 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27130 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
27131 test for the presence of valid prototypes. Delete bypass expr.
27132 (ioctl_fix_ctrl): Correct the selection expression.
27133 (no_double_slash): Correct quoting rules
27134 *fixinc/fixincl.x: regen
27135 *fixinc/inclhack.sh: regen
27137 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
27139 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
27141 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27143 * rs6000.md (movsi_got_internal_mem): Delete.
27144 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
27145 (GOT_TOC_REGNUM): Delete.
27146 (PIC_OFFSET_TABLE_REGNUM): Define.
27147 (FINALIZE_PIC): Disable.
27148 * rs6000.c (rs6000_got_register): New code for fixed pic register.
27149 (rs6000_replace_regno): Delete.
27150 (rs6000_finalize_pic): Likewise.
27151 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
27153 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27155 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
27156 is a note; use <= for the compare; advance P while it is
27159 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
27161 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
27162 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
27164 * varasm.c (remove_from_pending_weak_list): Verify t->name
27165 is non-NULL before passing it to strcmp.
27167 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27169 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
27170 the typed arguments are not part of a comment
27171 (ioctl_fix_ctrl): Added a purpose comment
27172 *fixinc/fixincl.x: regenerate
27173 *fixinc/inclhack.sh: regenerate
27175 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
27177 * invoke.texi: Add C4x invocation docs.
27179 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
27181 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
27183 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
27185 (c4x_legitimize_reload_address): New function.
27186 * config/c4x/c4x.md: Update docs.
27188 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
27190 * fixincludes: Avoid removing '.'.
27191 * fixinc/fixinc.svr4: Likewise.
27192 * fixinc/fixinc.winnt: Likewise.
27193 * fixinc/inclhack.tpl: Likewise.
27194 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
27196 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27198 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
27200 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
27202 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
27204 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
27207 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
27209 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
27210 * configure: Regenerate.
27212 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
27214 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
27217 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
27219 * fixinc/inclhack.def (avoid_bool): Also catch
27220 "typedef [unsigned] int bool".
27221 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
27223 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
27224 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
27225 * configure: Rebuilt.
27227 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
27229 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
27230 such that we can override its definitions if necessary.
27231 (CPP_SPEC): New define. Support processor specific predefines via
27233 (CC1_SPEC): New define. Support processor specific compiler
27234 options via %(cc1_cpu).
27235 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
27238 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27240 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
27241 between sed's -e flag, and the open-quote following it.
27242 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
27244 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
27245 Jeffrey A Law (law@cygnus.com)
27247 * varasm.c (assemble_start_function): Remove the function
27248 from the pending weak decls list when we define a function.
27249 (assemble_variable): Similarly for variables.
27250 (weak_finish): Ignore items on the list with a NULL name.
27251 (remove_from_ending_weak_list); New function to "remove" an item
27252 from the pending weak declarations list.
27254 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
27256 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
27258 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
27260 * c-lex.c (GETC): Redefine to call getch.
27261 (UNGETC): Redefine to call put_back.
27262 (putback_buffer): New structure type.
27263 (putback): New static structure.
27264 (getch): New function.
27265 (put_back): New function.
27266 (yylex): Replace unused bytes from bad multibyte character.
27268 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
27270 * cpplib.c (do_define): Cast `alloca' return value.
27271 (do_include, do_undef, do_pragma): Likewise.
27272 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
27274 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
27275 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
27277 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
27279 * sparc.md (abstf2): This should be an expand.
27280 (split after abstf2_notv9): Fix mode.
27281 (abstf2_hq_v9): New pattern.
27282 (abstf2_v9): Only use when no hard quad.
27283 (absdf2_v9): Fix if target is not the same as source.
27284 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
27285 Add correct output constraints.
27287 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
27289 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
27290 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
27292 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
27294 * mips.h (mips_output_conditional_branch): New function.
27295 (mips_adjust_insn_length): Likewise.
27296 (ASSEMBLER_SCRATCH_REGNUM): New macro.
27297 (ADJUST_INSN_LENGTH): Likewise.
27298 * mips.c (print_operand): Add `F' and `W' for floating-point
27299 comparison opcodes.
27300 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
27302 (mips_adjust_insn_length): New function.
27303 (mips_output_conditional_branch): New function.
27304 * mips.md (length): Adjust attribute definition to handle
27305 conditional branches. Change lengths to bytes, rather than
27306 instructions throughout. Remove length attribute from
27307 instructions whose length is four bytes, and rely on the default
27309 (dslot): Fix typo in comment.
27310 Reword conditional branch patterns to use
27311 mips_output_conditional_branch.
27313 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
27315 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
27316 (LIB_SPEC): Likewise.
27317 Link with -lprof1_r for -g/-pg.
27319 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
27321 * loop.c (check_dbra_loop): Fix change of Jan 19.
27323 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
27325 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
27326 (STARTFILE_SPEC): Define, override the svr4.h version.
27327 (ENDFILE_SPEC): Likewise.
27329 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
27331 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
27332 * fixinc/fixincl.x: Regenerated.
27333 * fixinc/inclhack.sh: Regenerated.
27335 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27337 * sh.c (barrier_align): Don't return early for normal branch/barrier
27338 when optimizing for SH2.
27340 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
27342 * i386/udk.h (LINK_SPEC): Correct linker search path for
27345 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27347 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
27348 (braf_label_ref_operand): Delete.
27349 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
27350 * sh.md (casesi_jump_2): Operand1 is now the inside of a
27351 label_ref, and has no predicate.
27352 The patten has a predicate to guard against invalid substitutions.
27353 (dummy_jump): Delete.
27354 (casesi): Update use of casesi_jump_2.
27356 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27358 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
27359 *fixinc/fixincl.x: regenerate
27360 *fixinc/inclhack.sh: regenerate
27362 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
27364 * dwarf2out.c (add_incomplete_type): New fn.
27365 (gen_struct_or_union_type_die): Call it.
27366 (retry_incomplete_types): New fn.
27367 (dwarf2out_finish): Call it.
27369 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
27371 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
27372 current block starts with a CODE_LABEL and ends with a CALL and
27373 we can not find all the argument setup instructions for the CALL.
27375 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
27377 Revert this change:
27378 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
27379 something is a candidate for optimize_bit_field_compare.
27381 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27383 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
27385 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
27387 * alpha.c (override_options): Thinko in last patch.
27389 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
27390 (LIB_SPEC): Recognize -pthread.
27392 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
27394 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
27395 definition in config/arm/coff.h
27396 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
27398 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27400 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
27401 fixes that need "file=xxx\n" prepended before invocation
27402 (start_fixer - new): starting the fixer process is complex enough
27403 to warrent its own routine. It prepends the "file=xxx\n" stuff.
27404 (process): uses the new routine; omit usage of putenv()
27405 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
27406 * fixinc/fixincl.x: regenerate
27408 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
27410 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
27411 and version #s (1.1 -> 2.96) as needed.
27412 * README.g77: Kill way out of date file in the toplevel directory.
27414 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
27416 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
27417 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
27418 * configure: Rebuilt.
27419 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
27420 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
27421 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
27422 (SWITCH_TAKES_ARG): Likewise.
27423 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
27424 * config/t-freebsd: Moved from config/i386/ so it can used for all
27427 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
27429 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
27431 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
27433 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
27434 * configure: Rebuilt.
27436 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
27438 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
27439 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
27440 * rs6000/rs6000.c (rs6000_file_start): Use putc.
27441 (rs6000_output_load_toc_table): Same.
27442 (output_prolog, output_mi_thunk): Same.
27443 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
27444 (ASM_GLOBALIZE_LABEL): Use putc.
27446 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
27448 * alpha.md (reload_*_help): New patterns and splitters.
27449 (reload_*): Use them.
27450 (mov[qh]i): Likewise.
27452 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
27454 * cccp.c (handle_directive): Handle backslash-newlines in quoted
27457 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
27459 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
27461 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
27463 * flow.c (mark_regs_live_at_end, insn_dead_p,
27464 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
27465 and HARD_FRAME_POINTER_REGNUM special treatment if reload
27466 hasn't run or the frame pointer is needed.
27467 * haifa-sched.c (attach_deaths): Likewise.
27468 * sched.c (attach_deaths): Likewise.
27470 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
27472 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
27473 calculate_can_reach_end returns nonzero.
27475 * configure.in (native gas tests): Search for an assembler in the
27476 same manner that the installed compiler will.
27477 * configure: Rebuilt.
27478 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
27480 * alias.c (find_base_term): Improve handling of addresses
27481 constructed from binary operations.
27483 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
27485 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
27487 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
27489 * function.h (cleanup_label, frame_offset): Declare.
27490 (tail_recursion_label, tail_recursion_reentry): Likewise.
27491 (arg_pointer_save_area, rtl_expr_chain): Likewise.
27492 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
27493 (tail_recursion_label, tail_recursion_reentry): Likewise.
27494 (arg_pointer_save_area, rtl_expr_chain): Likewise.
27496 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
27498 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
27500 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
27501 (MAX_OFILE_ALIGNMENT): Define.
27503 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
27505 * fixincl.c: Replace local include scheme with #includes of
27506 gansidecl.h and system.h.
27507 * procopen.c: Likewise.
27508 * server.c: Likewise.
27510 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
27512 * i386/t-dgux (EXTRA_PARTS): Add crti.o
27513 (crti.o): Add build rule and dependencies.
27514 * fixinc/fixinc.dgux: Use modified _int_varargs.h
27516 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27518 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
27519 (LIB_LINUX_SPEC): Likewise.
27520 (LIB_LINUX_SPEC): Add support for -pthread
27521 (CPP_OS_LINUX_SPEC): Likewise.
27522 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
27525 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
27527 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
27529 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
27530 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
27531 for IEEE math and CC_FCOMI.
27532 (put_jump_code): No IEEE if CC_FCOMI is set.
27534 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
27536 * fold-const.c (fold_truthop): Make the field reference unsigned
27537 when converting a single bit compare.
27539 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27541 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
27543 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
27545 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
27546 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
27549 * reload.c (push_reload): Do not call remove_address_replacements
27550 when presented with identical optional reloads.
27552 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
27554 * alpha.h (MASK_FIX, TARGET_FIX): New.
27555 (MASK_*): Reorganize constants.
27556 (CPP_AM_FIX_SPEC): New.
27557 (TARGET_SWITCHES): Add FIX.
27558 (EXTRA_SPECS): Likewise.
27559 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
27560 (SECONDARY_MEMORY_NEEDED): Likewise.
27561 (REGISTER_MOVE_COST): Likewise.
27562 * alpha.c (override_options): Add FIX support. Always use
27563 ALPHA_TP_PROG for ev6.
27564 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
27565 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
27566 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
27568 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
27570 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
27571 something is a candidate for optimize_bit_field_compare.
27573 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
27575 * gcc.texi (Passes): Document branch-shortening.
27576 * invoke.texi (Debugging Options): Document the fact that `-dp'
27577 outputs length information for instructions.
27579 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
27581 * flow.c: Revert previous delta.
27583 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
27585 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
27586 FRAME_POINTER_REGNUM.
27587 (mark_set_1): Ditto.
27588 (mark_used_regs): Ditto.
27590 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
27592 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
27593 (GOT_PCREL): New macro. Define to 1 if not already defined.
27594 * arm/elf.h (GOT_PCREL): Define to 0.
27595 * arm.c (arm_finalize_pic): Take into account the setting of
27598 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
27600 * output.h (STRIP_NAME_ENCODING): Provide default definition.
27601 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
27603 * flow.c (mark_set_1): Do not record BLKmode stores as dead
27604 store elimination candidates.
27606 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
27608 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
27611 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
27613 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
27614 Add use of x-aix41-gld.
27616 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
27618 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
27619 (ASM_OUTPUT_DESTRUCTOR): Define.
27621 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
27623 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
27624 last CODE_LABEL in a loop if we have previously passed a jump
27625 to the top of the loop.
27627 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
27629 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
27630 applying Philip's patch.
27632 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
27634 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
27637 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
27639 * loop.c (strength_reduce): Grow reg_single_usage as needed.
27641 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
27643 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
27644 Also remove a useless comment.
27646 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
27648 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
27650 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
27652 * collect2.c (main): Only generate import or export file and add
27653 to link arguments if non-empty. Use xmalloc not alloca.
27654 (write_{export,import}_file): Delete.
27655 (write_aix_file): New function.
27656 (locatelib): Use xmalloc not malloc.
27657 (GCC_OK_SYMBOL): Do not check type if aix64.
27659 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
27661 Based on patch by Scott Bambrough and Pat Beirne:
27662 * config/arm/arm.c (making_const_table): New variable.
27663 * config/arm/arm.h (making_const_table): Declare.
27664 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
27666 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
27667 Keep track of when we are building the constant table.
27669 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
27671 * config/arm/arm.c (arm_override_options): Fix erroneous warning
27674 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
27676 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
27679 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
27681 * tm.texi (FUNCTION_ARG): Correct description of a stack element
27684 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
27686 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
27688 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27690 * rs6000.c (output_mi_thunk): Enable full support again.
27692 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27694 * sh.h (BRANCH_COST): Define.
27696 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
27698 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
27700 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
27702 * function.c (assign_stack_local): Align stack slot propertly.
27703 (assign_outer_stack_local): Likewise.
27705 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
27707 * expr.h (lang_expand_constant): Declare.
27708 * toplev.c (lang_expand_constant): Define it.
27709 * varasm.c (output_constant): Use it.
27711 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27713 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
27714 Change function definitions to K&R style.
27716 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27718 * fixinc/fixincl.c: We must not ignore SIGCLD now.
27720 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
27722 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
27723 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
27724 (several places): omit static initialization
27725 (process): use single fd, since only the read fd is used
27726 * fixinc/gnu-regex.c: define 'const' away, if not supported
27727 * fixinc/procopen.c(several places): omit static initialization
27728 * fixinc/server.c: define 'volitile' away, if not supported
27730 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
27732 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
27733 asm_fprintf and %L to generate the label name.
27734 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
27735 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
27737 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
27739 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
27740 insn for a conditional jump can not be found.
27742 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
27744 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
27745 on variables in specific sections other than .sbss and .sdata.
27747 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
27749 * stmt.c (expand_return): Call start_cleanup_deferral and
27750 end_cleanup_deferral around conditional code.
27752 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27754 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
27755 filename lists. Utilizes new "krstr" AutoGen function.
27756 * fixinc/fixincl.x: Rebuilt.
27758 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
27760 * i386.c (output_float_compare): Avoid GNU-C extensions.
27762 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
27764 * version.c: Bump to distinguish mainline tree from the
27767 See ChangeLog.1 for earlier changes.