| blob | e7dd0c001f43ca1c196502bc3d8c7f9c0cfc9450 |
1 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
3 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
4 it with the pattern to do machine dependent work.
5 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
6 use it to modify the true/false tests used in conditional
7 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
8 defined, invoke them if the conversion to conditional execution
9 was successful or not.
11 * tm.texi (IFCVT_MODIFY_TESTS): Document.
12 (IFCVT_MODIFY_INSN): Ditto.
13 (IFCVT_MODIFY_FINAL): Ditto.
14 (IFCVT_MODIFY_CANCEL): Ditto.
16 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
18 * toplev.c (main): Fix misspellings of possibility and language.
20 2000-06-03 Richard Henderson <rth@cygnus.com>
22 * alias.c (record_alias_subset): Initialize has_zero_child in the
23 superset.
25 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
27 * arm.md (untyped_call): Use GEN_CALL macro.
29 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
31 * Makefile.in: Use $(MAKE) not "make"
33 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
35 * alias.c (struct alias_set_entry): New field has_zero_child.
36 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
37 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
38 do nothing.
39 Call record_component_aliases for aggregate types.
40 (record_alias_subset): Set has_zero_child.
41 (record_component_aliases, case ARRAY_TYPE): Do nothing if
42 TYPE_NONALIASES_COMPONENT.
43 (record_component_aliases, case RECORD_TYPE): Test
44 DECL_NONADDRESSABLE_P.
45 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
46 of TREE_ADDRESSABLE.
47 * calls.c (initialize_argument_information): Only test
48 TYPE_TRANSPARENT_UNION for UNION_TYPE.
49 * function.c (assign_parms): Likewise.
50 * integrate.c (function_cannot_inline_p): Likewise.
51 * stor-layout.c (finish_record_layout): Don't call
52 record_component_aliases.
53 * tree.h (struct tree_int_cst): Use struct tree_common.
54 (struct tree_real_cst, struct tree_string): Likewise.
55 (struct tree_complex, struct tree_identifier): Likewise.
56 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
57 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
58 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
59 (TYPE_NONALIASES_COMPONENT): New macro.
60 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
61 (DECL_NONADDRESSABLE_P): New macro.
62 (struct tree_decl): Reorder bits for clarity of how many left;
63 add non_adressable.
65 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
67 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
68 * mklibgcc.in (force): New target.
69 Make LIB2ADD stuff depend on it.
71 2000-06-02 Richard Henderson <rth@cygnus.com>
73 * alias.c (lang_get_alias_set): Remove.
74 (get_alias_set): Call it directly, not indirectly.
75 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
76 * c-common.h (c_get_alias_set): Don't declare.
77 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
78 * expr.h (lang_get_alias_set): Declare as function, not pointer.
80 2000-06-02 Bruce Korb <bkorb@gnu.org>
82 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
83 (server_setup): define the server's master pid
84 (close_server): actually do the deed IFF we are the server's master
86 2000-06-02 Jakub Jelinek <jakub@redhat.com>
88 * c-common.c (c_get_alias_set): Check whether signed_type did not
89 return its argument before calling get_alias_set on the result.
91 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
93 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
95 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
97 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
98 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
99 for TARGET_NOMACSAVE.
100 (NOMACSAVE_BIT): Define.
101 (TARGET_NOMACSAVE): Define.
102 (TARGET_SWITCHES): Add "nomacsave".
104 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
106 * sh.md (untyped_call): Remove excess parameters
108 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
110 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
111 match that used before the conversion to c_fix style.
112 * fixinc/fixincl.x: regenerate
114 2000-06-01 Stan Cox <scox@cygnus.com>
116 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
117 macro argument typo.
119 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
121 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
122 error message.
123 * cpplib.c (parse_include): Remove support for VAX-C
124 "#include starlet" misfeature.
126 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
128 * cppfiles.c: conditionally define O_BINARY.
129 (open_include_file): pass O_BINARY to open().
131 2000-06-01 Richard Henderson <rth@cygnus.com>
133 * i960.c (i960_br_predict_opcode): Remove.
134 (i960_print_operand) [+]: Emit branch prediction hints.
135 (i960_function_arg): Return early for VOIDmode.
136 (i960_round_align): Return early for incomplete types.
137 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
138 * i960.md (all conditional branches): Add "%+".
140 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
142 * alias.c (get_alias_set): Don't call language-specific routine more
143 than is needed and clean up code a bit.
144 * c-common.c (c_get_alias_set): All references whose type
145 is char get alias set 0, but character types need not.
146 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
147 (make_decl_rtl): Don't call it for FUNCTION_DECL.
149 2000-06-01 Bruce Korb <bkorb@gnu.org>
151 * fixinc/tests/base/...: new base result files
153 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
155 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
156 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
157 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
158 will use FCOMI.
160 2000-06-01 Richard Henderson <rth@cygnus.com>
162 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
164 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
166 2000-05-31 Richard Henderson <rth@cygnus.com>
168 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
169 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
170 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
172 2000-05-31 Richard Henderson <rth@cygnus.com>
174 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
175 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
176 (ia64_print_operand) [+]: ... here. Use current_output_insn.
177 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
178 * config/ia64/ia64.md (all branch/call patterns): Use %+.
180 2000-05-31 Richard Henderson <rth@cygnus.com>
182 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
184 2000-05-31 Richard Henderson <rth@cygnus.com>
186 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
187 remaining edges.
188 (find_if_block): Allow THEN with no outgoing edges.
189 * flow.c (merge_blocks_nomove): Remove a barrier not following
190 a jump as well.
192 2000-05-31 Richard Henderson <rth@cygnus.com>
194 * flow.c (propagate_block): Move initialization of mem_set_list ...
195 (init_propagate_block_info): ... here. Also track blocks with
196 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
198 2000-05-31 Richard Henderson <rth@cygnus.com>
200 * jump.c (jump_optimize_1): Revert 05-18 change.
202 2000-05-31 Mark Mitchell <mark@codesourcery.com>
204 * invoke.texi: Remove documentation for -fguiding-decls.
206 2000-05-31 Richard Henderson <rth@cygnus.com>
208 * configure.in: Fix typo last change.
210 2000-05-31 Philipp Thomas <pthomas@suse.de>
212 * configure.in (enable-nls): Enable if build == host, i.e. when
213 not building a canadian cross compiler.
214 (enable-maintainer-mode): Added for use with i18n.
215 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
216 cross section of ALL_LINGUAS and LINGUAS.
217 * configure: Rebuild.
219 2000-05-31 Bruce Korb <bkorb@gnu.org>
221 * fixinc/check.tpl: rework to use test result tree
222 * fixinc/Makefile.in: change invocation of check script
223 * fixinc/check.diff: No longer needed
224 * fixinc/fixincl.x: regenerate
225 * fixinc/inclhack.def: add new tests
226 * fixinc/tests/base/arch/i960/archI960.h: New test result
227 * fixinc/tests/base/curses.h: modified test result
228 * fixinc/tests/base/stdio.h: ditto
229 * fixinc/tests/base/time.h: ditto
230 * fixinc/tests/base/sys/asm.h: ditto
231 * fixinc/tests/base/sys/stat.h: ditto
232 * fixinc/tests/base/sys/wait.h: ditto
234 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
236 * except.c (clear_function_eh_region): Do not free NULL.
238 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
240 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
241 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
242 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
243 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
244 (find_base_decl): New function, from c_find_base_decl in c-common.c.
245 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
246 (get_alias_set): Likewise.
247 Major rework to do more things and allow language-specific code
248 to just handle special-cases.
249 (record_alias_subset): Args are HOST_WIDE_INT.
250 (record_component_alias): Local vars are HOST_WIDE_INT.
251 Don't handle COMPLEX_EXPR.
252 (get_varargs_alias_set): Moved from builtins.c.
253 (get_frame_alias_set): New function.
254 * builtins.c (expand_builtin_return_address): Use frame alias set.
255 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
256 for setjmp buffer.
257 (get_memory_rtx): Rework to use set_mem_attributes.
258 (get_varargs_alias_set): Deleted from here.
259 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
260 (c_find_base_decl): Deleted from here.
261 (c_get_alias_set): Remove many cases and rework to just handle
262 C-specific cases.
263 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
264 * c-decl.c (rtl.h, expr.h): Now included.
265 (init_decl_processing): Call record_component_aliases on array types.
266 (grokdeclarator): Likewise.
267 Set TREE_ADDRESSABLE for all fields that are not bitfields.
268 * c-typeck.c (common_type): Call record_component_aliases for array.
269 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
270 Set all save areas to the frame alias set.
271 * calls.c (initialie_argument_information): Call set_mem_attributes.
272 (compute_argument_addresses, expand_call): Likewise.
273 * explow.c (set_mem_attributes): New function.
274 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
275 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
276 LEN and OFFSET now HOST_WIDE_INT.
277 (clear_by_pieces): Similar changes.
278 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
279 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
280 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
281 (clear_by_pieces_1): Likewise.
282 (emit_push_insn): Call set_mem_attributes.
283 (expand_expr, case INDIRECT_REF): Likewise.
284 (expand_expr, case VAR_DECL): Call change_address.
285 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
286 tree_low_cst.
287 (get_varargs_alias_set, get_frame_alias_set): New decls.
288 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
289 (new_alias_set, set_mem_attributes): Likewse.
290 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
291 (assign_stack_temp_for_type): Likewise.
292 Can split slot even if alias set since can copy.
293 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
294 (assign_temp): Use host_integerp and tree_low_cst.
295 (put_var_into_stack): Properly handle SAVE_EXPR.
296 (put_addressof_into_stack): Likewise.
297 (assign_parms): Call set_mem_attributes.
298 Delete #if 0 code.
299 (fix_lexical_address): Put reference to chain into frame alias set.
300 (expand_function_start): Call set_mem_attributes.
301 * integrate.c (expand_inline_function): Likewise.
302 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
303 * regmove.c (try_apply_stack_adjustment): Likewise.
304 * reload.c (push_reload, make_memloc): Likewise.
305 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
306 * rtl.def (MEM): Update comment.
307 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
308 (move_by_pieces): Change length to HOST_WIDE_INT.
309 (record_base_value, record_alias_subset): Delete from here.
310 * stmt.c (expand_decl): Call set_mem_attributes.
311 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
312 * toplev.c (compile_file): Call init_alias_once earlier.
313 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
314 from here: now in alias.c.
315 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
316 (struct tree_decl): Likewise.
317 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
318 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
319 (output_constant_def, force_const_mem): Likewise.
321 * flow.c (propagate_block): If block has no successors, stores to
322 frame are dead if not used.
324 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
326 * stmt (expand_end_case): Reorder conversion sequence for jump
327 table to avoid extra truncations.
329 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
331 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
332 in the block is more than just a simple conditional branch.
333 (noce_process_if_block): Similarly.
335 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
337 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
338 queue.
340 2000-05-30 Michael Meissner <meissner@redhat.com>
342 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
343 instructions. Treat LO_SUM operations as loading the full integer
344 constant.
346 2000-05-30 Richard Henderson <rth@cygnus.com>
348 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
350 2000-05-30 Richard Henderson <rth@cygnus.com>
352 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
354 2000-05-30 Bruce Korb <bkorb@gnu.org>
356 * fixinc/tests/*: Added expected result files for fixinc's make check
357 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
359 2000-05-30 Richard Henderson <rth@cygnus.com>
361 * config/alpha/alpha.md (*setne_internal): Use match_operator
362 instead of working down from insn.
364 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
366 * invoke.texi (-Wtraditional): Update WRT function macros.
368 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
370 * except.c (free_exception_table): Do not free NULL.
372 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
374 * cpplib.c (do_if): Don't save and restore only_seen_white here.
375 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
376 and skipping here.
378 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
380 * flow.c (mark_used_reg): If a register is unconditionally live,
381 remove any conditional death information.
383 2000-05-29 Richard Henderson <rth@cygnus.com>
385 * final.c (current_output_insn): New.
386 (final_scan_insn): Set it.
387 * output.h: Declare it.
389 2000-05-29 Richard Henderson <rth@cygnus.com>
391 * stor-layout.c (finalize_record_size): Fix typo.
393 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
394 if nlabel is null.
396 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
398 * cpplib.h (cpp_reader): Remove if_stack. Change
399 potential_control_macro to a cpp_hashnode *. Add skipping flag.
400 * cpphash.h (struct ihash): Change control_macro to a
401 cpp_hashnode * and shorten name to cmacro.
402 Add NEVER_REINCLUDE constant.
404 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
405 Examine the cmacro node directly, no need to call cpp_defined.
406 (_cpp_execute_include, read_include_file): Set cmacro to
407 NEVER_REINCLUDE, not U"".
408 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
409 (cpp_get_token): If pfile->skipping is true, discard text and
410 keep scanning until we hit a directive; don't expand macros.
412 * cpplib.c (struct if_stack): Remove if_succeeded, add
413 was_skipping. Change control_macro to a cpp_hashnode * and
414 shorten name to cmacro. Remove typedef IF_STACK.
415 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
416 (conditional_skip, skip_if_group,
417 consider_directive_while_skipping): Delete.
418 (push_conditional): New.
419 (_cpp_handle_directive): Don't process directives other than
420 conditionals if we are skipping.
422 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
423 Update to new scheme.
424 (validate_else): Skip rest of line here, unconditionally.
425 (_cpp_unwind_if_stack): The stack is per-buffer. Force
426 pfile->skipping off.
428 (all): Remove `scare quotes' from error messages.
430 2000-05-29 Richard Henderson <rth@cygnus.com>
432 * function.c (emit_return_into_block): New line_note arg; emit it.
433 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
434 for the close brace to accompany HAVE_return. Move all line notes
435 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
437 2000-05-29 Richard Henderson <rth@cygnus.com>
439 * longlong.h [__alpha] (count_leading_zeros): New.
440 (count_trailing_zeros): New.
441 (COUNT_LEADING_ZEROS_0): New.
443 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
444 (alpha_split_conditional_move): New.
445 * config/alpha/alpha-protos.h: Prototype them.
446 * config/alpha/alpha.h (PREDICATE_CODES): Update.
447 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
448 * config/alpha/alpha.md: Update ffs cix commentary.
449 (*ze_and_ne): New.
450 (*nabssf2, *nabsdf2): New.
451 (*mov[qhsd]icc_internal): Use add_operand.
452 (if_then_else constant splitters): New.
453 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
454 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
456 2000-05-29 Richard Henderson <rth@cygnus.com>
458 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
459 a constant to NEG or NOT when conditions allow.
461 * combine.c (combine_simplify_rtx): Don't create an if_then_else
462 unless both args are general_operand. Don't canonicalize plus
463 to ior unless it helps.
465 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
466 instead track register_life_up_to_date. Toggle no_new_pseudos
467 around if_convert.
469 2000-05-28 Geoff Keating <geoffk@cygnus.com>
471 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
472 so output_operand doesn't see them.
474 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
476 * lcm.c (make_preds_opaque): Fix comment.
477 (optimize_mode_switching): Use NORMAL_MODE instead of
478 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
479 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
480 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
481 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
482 (MODE_USES_IN_EXIT_BLOCK): Delete.
483 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
484 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
485 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
486 (MODE_NEEDED): Don't look for USE.
487 (EPILOGUE_USES): Define.
489 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
491 * mklibgcc.in (all): Variable initialised to `libgcc'.
493 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
495 * toplev.h (skip_leading_substring): New macro.
496 * toplev.c (decode_f_option): Use skip_leading_substring instead
497 of strncmp.
498 (decode_W_option): Likewise.
500 2000-05-28 Nick Clifton <nickc@cygnus.com>
502 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
503 modify reg_names.
505 2000-05-28 Richard Henderson <rth@cygnus.com>
507 * regclass.c (record_operand_costs): Protect reg_changes_size
508 with CLASS_CANNOT_CHANGE_SIZE.
510 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
512 2000-05-28 Richard Henderson <rth@cygnus.com>
514 * function.c (diddle_return_value): A pcc-style struct return
515 returns a pointer.
517 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
519 * cppfiles.c: Read files in, using mmap if possible, then
520 prescan them separately.
521 (read_file, read_with_read): New functions.
522 * cpplex.c: Don't define UCHAR_MAX.
523 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
524 the file here.
526 * cppinit.c (handle_option): Automatically define __cplusplus,
527 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
528 the respective -lang switch.
530 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
531 prototype): Move to...
532 * cpplib.h: ... here. Rename struct hashnode to struct
533 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
534 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
536 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
538 * config/rs6000/rs6000.md (movsi): Constify 'name'.
540 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
541 (class_can_change_size): New variable.
542 (reg_changes_size): New variable.
543 (init_reg_sets_1): Initialise class_can_change_size.
544 (record_operand_costs): Remove subreg_changes_size.
545 Don't pass it around. Instead update reg_changes_size.
546 (regclass): Initialise and free reg_changes_size. If a register
547 changes size, don't preference it to a class that contains
548 registers that can't change size.
549 (record_reg_classes): Don't look at subreg_changes_size.
551 2000-05-27 Richard Henderson <rth@cygnus.com>
553 * print-rtl.c (reg_names): Remove const.
554 * regclass.c (reg_names): Likewise.
555 * regs.h (reg_names): Likewise.
556 * hard-reg-set.h (reg_names): Likewise.
558 2000-05-27 Richard Henderson <rth@cygnus.com>
560 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
562 2000-05-27 Richard Henderson <rth@cygnus.com>
564 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
565 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
566 (alpha_expand_prologue): Emit prologue_mcount if needed.
567 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
568 * config/alpha/alpha.md (prologue_mcount): New.
569 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
570 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
571 * config/alpha/netbsd.h: Likewise.
573 2000-05-27 Richard Henderson <rth@cygnus.com>
575 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
576 change to config/elfos.h.
578 2000-05-27 Richard Henderson <rth@cygnus.com>
580 * Makefile.in (resource.o): Depend on except.h.
581 * except.h (output_exception_table_data): Prototype.
582 * genconfig.c (gen_peephole2): Prototype.
583 * genemit.c (main): Include ggc.h.
584 * genoutput.c: Revert parts of last change: include errors.h
585 (main): Set progname.
586 * recog.c: Include hard-reg-set.h before recog.h.
587 * resource.c: Include except.h.
589 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
590 with RTX_CODE.
591 (alpha_write_linkage): Protect with BUFSIZ.
592 (alpha_need_linkage): Update prototype.
593 * config/alpha/alpha.c (function_arg): Move VMS code here.
594 (alpha_links_base): Remove.
595 (alpha_links): New.
596 (mark_alpha_links_node, mark_alpha_links): New.
597 (alpha_write_one_linkage): New.
598 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
599 (alpha_write_linkage): Use splay_tree_foreach.
600 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
601 to get the linkage symbol.
602 (call_value_vms): Likewise.
603 * config/alpha/elf.h (output_file_directive): Remove decl.
604 (ctors_section, dtors_section): Prototype.
605 (sbss_section, sdata_section): Prototype.
606 * config/alpha/vms.h (FUNCTION_ARG): Remove.
607 (readonly_section, link_section, literals_section): Prototype.
608 (ctors_section, dtors_section): Prototype.
609 (vms_valid_decl_attribute_p): Remove decl.
610 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
612 2000-05-27 Geoff Keating <geoffk@cygnus.com>
614 * reload.c (get_secondary_mem): Don't widen floating-point modes.
616 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
617 substituting the REG in a (subreg:X (reg:Y ...)).
619 2000-05-28 Neil Booth <NeilB@earthling.net>
621 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
622 first token of a line BOL. Update EOF code for this.
623 Remove illegal directive check - it appears in the (not
624 yet committed) caller.
625 * cpplib.h (BOL): New flag.
627 2000-05-28 Neil Booth <NeilB@earthling.net>
629 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
630 (_cpp_free_toklist): No comment space to free.
631 (expand_comment_space): Remove.
632 (save_comment_space): Place the comment in the current token and
633 not in a separate comment space.
634 (_cpp_lex_line): Save comments during plain code and #define
635 directives only.
636 * cpplib.h (struct _cpp_toklist): Remove comment space.
638 2000-05-28 Neil Booth <NeilB@earthling.net>
640 * cppexp.c (parse_assertion): Supply extra argument to
641 _cpp_init_toklist.
642 * cpplib.c (do_assert, do_unassert): Similarly.
643 * cpphash.h (_cpp_init_toklist) Update.
644 (_cpp_expand_token_space): New.
645 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
646 * cpplex.c (_cpp_init_toklist): New argument.
647 (parse_string2): New argument multiline_ok.
648 (spell_token): Take a const cpp_token *.
649 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
650 (SPELL_ macros): Replace with enum.
651 (expand_token_space): Replace with _cpp_expand_token_space.
652 Take COUNT argument.
653 (IS_DIRECTIVE): Update.
654 (_cpp_lex_line): Update token structure before parsing number.
655 Don't assume start at beginning of token list.
656 (save_comment): Use INIT_TOKEN_NAME.
658 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
660 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
661 -Wmissing-prototypes.
662 * configure: Regenerate.
663 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
665 * builtins.c, calls.c: Change all instances of gen_call_* or
666 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
667 * calls.c (struct_value_size_rtx): Separate definition from
668 initialization to avoid unused variable warning.
670 * genflags.c (gen_macro): New function.
671 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
672 (gen_nonproto): Delete.
673 (gen_insn): Put all insns on the same obstack.
674 (main): Generate prototypes for everything unconditionally.
676 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
677 out check for wchar_t.
678 * acconfig.h: Add template for ssize_t. Remove @TOP@.
679 * system.h: Add infrastructure for defining missing
680 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
681 definitions of UCHAR_MAX and SSIZE_MAX.
682 * configure: Regenerate.
683 * config.in: Regenerate.
685 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
686 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
687 headers.
688 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
689 libgcc2.a, or libgcc1.null.
691 2000-05-27 Richard Henderson <rth@cygnus.com>
693 * Makefile.in (recog.o): Don't depend on resource.h.
694 * recog.c: Don't include resource.h.
695 (recog_last_allowed_insn): Remove.
696 (recog_next_insn): Remove.
697 (struct peep2_insn_data): New.
698 (peep2_insn_data, peep2_current): New.
699 (peep2_next_insn): New.
700 (peep2_regno_dead_p, peep2_reg_dead_p): New.
701 (peep2_find_free_register): New.
702 (peephole2_optimize): Track life information by insn as we go.
703 * recog.h: Update declarations.
704 * resource.c (find_free_register, reg_dead_p): Remove.
705 * resource.h: Remove their declarations.
706 * toplev.c: Include hard-reg-set.h before recog.h.
708 * genconfig.c (max_insns_per_peep2): New.
709 (gen_peephole2): New.
710 (main): Call it.
711 * genemit.c (output_peephole2_scratches): Generate calls to
712 peep2_find_free_register; adjust surrounding code.
713 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
714 * genrecog.c (change_state): Don't track last_insn.
715 (write_action): Write into *_pmatch_len before accepting.
716 (write_tree): Adjust peephole2_insns and subroutines to match.
718 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
720 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
721 (hard_int_register_operand): New.
722 * config/alpha/alpha-protos.h: Declare it.
723 * config/alpha/alpha.h (PREDICATE_CODES): Update.
724 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
725 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
727 2000-05-27 Richard Henderson <rth@cygnus.com>
729 * function.c (thread_prologue_epilogue_insns): Don't move the
730 line note at the head of the chain. Only force a lineno note
731 before the end of block 0.
733 2000-05-27 Richard Henderson <rth@cygnus.com>
735 * gensupport.c (collect_insn_data): Record the maximum number
736 of alternatives, not the last seen.
738 * genoutput.c: Don't include errors.h.
739 (struct data): Add lineno member.
740 (have_error): New.
741 (scan_operands): Use message_with_line instead of error.
742 (validate_insn_alternatives): Likewise.
743 (gen_insn): Accept and store the pattern's line number.
744 (gen_peephole, gen_expand, gen_split): Likewise.
745 (main): Don't set progname. Pass line_no to gen_foo.
747 2000-05-27 Richard Henderson <rth@cygnus.com>
749 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
750 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
751 * config/d30v/d30v.md (attr predicable): New.
752 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
753 (andsi3*): Unify into one pattern.
754 (iorsi3*, xorsi3*): Likewise.
755 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
756 conditional return.
757 (old cond_exec patterns): Remove.
758 (define_cond_exec): New.
760 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
762 * tree.h (TREE_CODE_LENGTH): New macro.
763 * c-common.c (c_find_base_decl): Use it.
764 * expr.c (safe_from_p): Likewise.
765 * print-tree.c (print_node): Likewise.
766 * tree.c (make_node, copy_node, get_identifier): Likewie.
767 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
768 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
769 * fold-const.c (make_range): Likewise.
770 (fold): Likewise; also use first_rtl_op.
771 * c-iterate.c (collect_iterators): Use first_rtl_op.
772 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
773 Use IS_EXPR_CODE_CLASS.
774 (preexpand_calls): Likewise.
775 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
776 and TREE_CODE_LENGTH.
777 * stmt.c (warn_if_unused_value): If no operands, no unused value.
779 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
781 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
782 than '%1(%*)'.
783 (movdi_internal64): Likewise.
785 * config/rs6000/rs6000.md: Correct order of operands for DImode
786 boolean patterns.
788 * config/rs6000/rs6000.c (boolean_or_operator): New function.
789 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
790 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
791 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
792 boolean_operator for the boolean patterns without NOTs.
794 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
795 from reg_or_u_cint_operand. Change comment and behaviour.
796 (logical_operand): Clean up, add assertion.
797 (non_logical_cint_operand): Also check for
798 reg_or_logical_cint_operand.
799 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
800 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
801 in the expander.
802 (xorsi3): Likewise.
803 (iordi3): Likewise.
804 (xordi3): Likewise.
806 2000-05-26 Mark Mitchell <mark@codesourcery.com>
808 * tree.h (struct record_layout_info): Rename to (struct
809 record_layout_info_s).
810 * stor-layout.c (start_record_layout): Replace
811 `record_layout_info' with `record_layout_info_s'.
813 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
815 * flow.c (find_label_refs): New function.
816 (find_basic_blocks_1): Call it for each alternative of a call
817 placeholder.
819 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
821 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
822 of get_pc.
824 2000-05-25 Richard Henderson <rth@cygnus.com>
826 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
827 so strict about DImode.
828 (alpha_swapped_comparison_operator): Likewise.
829 * config/alpha/alpha.md (*setne_internal): Name it. Allow
830 any integer output mode.
831 (*setcc_internal): Likewise.
832 (*setcc_swapped_internal): Likewise.
833 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
834 (*mov[qhs]icc_internal): New.
835 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
837 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
839 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
841 2000-05-25 Richard Henderson <rth@cygnus.com>
843 * bb-reorder.c (reorder_block_def): Reorder elements for size.
844 Remove add_jump; add next; replace flags with visited.
845 (rbd_init): Remove.
846 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
847 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
848 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
849 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
850 (RBI): New.
851 (reorder_index, reorder_last_visited): Remove.
852 (skip_insns_after_block): Rewrite to use a switch.
853 (get_common_dest): Remove.
854 (chain_reorder_blocks): Remove.
855 (record_effective_endpoints): Split out from reorder_basic_blocks.
856 (make_reorder_chain): Likewise. Loop until all blocks are placed.
857 (make_reorder_chain_1): Renamed from old make_reorder_chain.
858 Only construct the reorder chain, do not move insns. Try harder
859 to tail recurse.
860 (label_for_bb, emit_jump_to_block_after): New.
861 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
862 and adjust the jump insns appropriately. Fixup basic_block_info.
863 (verify_insn_chain): Always define.
864 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
865 in allocation size.
866 (make_new_scope): Don't write zeros to calloc'd space.
867 (build_scope_forest): Rely on xrealloc to DTRT.
868 (reorder_basic_blocks): Don't build loop nest. Don't fail if
869 profile_arc_flag. Streamline EH test.
871 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
872 * basic-block.h: Declare them.
874 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
876 * emit-rtl.c (reset_used_decls): New function.
877 (unshare_all_rtl_again): Call it.
879 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
881 * cpplex.c (maybe_macroexpand): Warn about function-like
882 macros used in non-function context, if -Wtraditional.
884 2000-05-25 Mark Mitchell <mark@codesourcery.com>
886 * recog.c (peephole2_optimize): Use INSN_P.
888 2000-05-25 Richard Henderson <rth@cygnus.com>
890 * ifcvt.c (seq_contains_jump): New.
891 (noce_try_store_flag_constants): Use it to fail conversion.
892 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
894 2000-05-25 Mark Mitchell <mark@codesourcery.com>
896 * except.h (can_throw): Declare it.
897 * except.c (can_throw): Give it external linkage.
898 * resource.c (find_dead_or_set_registers): Use can_throw.
900 2000-05-25 Richard Henderson <rth@cygnus.com>
902 * flow.c (mark_set_1): Don't record conditionally dead memory.
904 2000-05-25 Jan Hubicka <jh@suse.cz>
906 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
907 and pc_set at the place of simplejump_p and condjump_p.
908 * cse.c (record_jump_equiv): Likewise.
909 * emit-rtl.c (emit): Likewise.
910 * explow.c (find_next_ref): Likewise.
911 * flow.c (tidy_fallthru_edge): Likewise.
912 (init_propagate_block_info): Likewise.
913 * gcse.c (delete_null_pointer_checks): Likewise.
914 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
915 dead_or_predicable): Likewise.
916 * integrate.c (copy_insn_list): Likewise.
917 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
918 for_each_insn_in_loop, check_dbra_loop, get_condition,
919 insert_bct, load_mems): Likewise.
920 * resource.c (find_dead_or_set_registers): Likewise.
921 * sibcalls.c (simplejump_p): Likewise.
922 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
924 2000-05-25 David Edelsohn <edelsohn@gnu.org>
926 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
927 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
928 when unaligned.
929 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
930 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
931 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
932 * rs6000.md: Name various internal patterns.
934 2000-05-25 Jan Hubicka <jh@suse.cz>
936 * jump.c (invert_exp_1): Remove first argument, use pc_set
937 to get the expression.
938 (redirect_exp): Make static; redirect only the pc_set expression,
939 remove first argument.
940 (invert_exp): Remove first argument, make static.
941 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
942 any_onlyjump at most places where we originaly did condjump_p
943 and simplejump_p.
944 (jump_back_p, follow_jumps, thread_jumps): Likewise.
945 (delete_barrier_succesors): Use pc_set.
946 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
947 calls of invert_exp and redirect_exp.
948 * rtl.h (redirect_exp, invert_exp): Remove.
949 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
951 2000-05-25 Richard Henderson <rth@cygnus.com>
953 * stmt.c (expand_end_bindings): Fix thinko last change.
955 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
956 Andrew Haley <aph@cygnus.com>
958 * except.c (func_eh_entry): Add emitted field.
959 (new_eh_region_entry): Set emitted field to 0;
960 (output_exception_table_entry): Only emit previously un-emitted data,
961 and send it to the eh_data section.
962 (output_exception_table): Break out common parts. Output
963 exception table for entire compilation unit to eh_data section.
964 (output_exception_table_data): Common parts of output_exception_table.
965 Send output to eh_data section.
966 (output_function_exception_table): Output exception table data for
967 a single function to eh_data section.
968 (free_exception_table): New external to free the table.
969 * except.h (free_exception_table): Add prototype.
970 (output_function_exception_table): Add prototype.
971 * final.c (final_end_function): Output function exception table
972 for IA64_UNWIND_INFO.
973 (final_scan_insn): Emit any unwind directives for an insn.
975 * frame-dwarf2.c: New file containing all DWARF 2 specific code
976 from frame.c.
977 * frame.c: Remove all DWARF 2 specific code.
978 * config/ia64/frame-ia64.c: New file.
979 (gthread_stuff): Make all gthread available with
980 IA64_UNWIND_INFO.
981 (dwarf_fde): Define an IA64 struct for dwarf_fde.
982 (__register_frame_info, __register_frame): Move to common area of file.
983 (__register_frame_info_table, __register_frame_table): Move to common i
984 area.
985 (__deregister_frame_info, __deregister_frame): Move to common area.
986 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
987 (read_uleb128): New version for ia64.
988 (get_unwind_record): Read the next IA-64 unwind record.
989 (read_R_record): Read a region header record.
990 (process_a_b_reg_code): X record helper.
991 (read_X_record): Read an X format record.
992 (read_B_record): Read a B format record.
993 (P3_record_types): List of record types matching the P3 format.
994 (P7_record_types): List of record types matching the P7 format.
995 (P8_record_types): List of record types matching the P8 format.
996 (read_P_record): Read a P format record.
997 (init_ia64_reg_loc): Set default fields for a register.
998 (init_ia64_unwind_frame): Set defaults for all register records.
999 (execute_one_ia64_descriptor): Execute one descriptor record.
1000 (rse_address_add): Calculate the position of a local reg in memory.
1001 (normalize_reg_loc): Turn a location descriptor into a memory address.
1002 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
1003 within a specified PC offset range.
1004 (get_real_reg_value): Given a register location, retrieve its value.
1005 (set_real_reg_value): Change the value of a register location.
1006 (copy_reg_value): Copy reg values, if needed.
1007 (copy_saved_reg_state): Copy all registers that need to be copied.
1008 (process_state_between): Normalize all frame register records that
1009 fall within the specified PC range.
1010 (frame_translate): Take a processed frame description, and turn
1011 everything into addresses.
1012 (build_ia64_frame_state ): Find and create frame state record for a PC.
1013 (get_personality): Get the personality routine for a given frame.
1014 (get_except_table): Get the exception table for a given frame.
1015 (record_name): Unwind record names for debugging.
1016 (print_record): Print and unwind record.
1017 (print_all_records): Print an entire unwind image.
1018 (__ia64_backtrace): Print a backtrace.
1019 (ia64_backtrace_helper): New function.
1020 (__register_frame_info_aux): New function.
1021 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
1023 * frame.h (enum unw_record_type): New unwind record types.
1024 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
1025 (struct unw_r_record, unwind_record): New unwind record structs.
1026 (struct unwind_info_ptr): Unwind information layout.
1027 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
1028 descriptors.
1029 (struct ia64_reg_loc): Register location description.
1030 (struct ia64_frame_state): Location of all registers in a frame.
1031 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
1032 * libgcc2.c (__ia64_personality_v1): Personality routine.
1033 (__calc_caller_bsp): Calculate the bsp register for the caller's
1034 frame.
1035 (ia64_throw_helper): Figure out who to return to and set up the
1036 registers.
1037 (__throw): Throw routine.
1039 * output.h (assemble_eh_align, assemble_eh_label): New functions
1040 to generate EH info where we want it.
1041 (assemble_eh_integer): New function.
1042 * toplev.c (compile_file): Output module level exception table for
1043 non-ia64 targets.
1044 (main): Set exceptions_via_longjump and flag_new_exceptions based
1045 on IA64_UNWIND_INFO too.
1047 * varasm.c (assemble_eh_label): Generate a label via
1048 ASM_OUTPUT_EH_LABEL if it has been specified.
1049 (assemble_eh_align): Generate an alignment directive via
1050 ASM_OUTPUT_EH_ALIGN if it has been specified.
1051 (assemble_eh_label): Generate an integer value via
1052 ASM_OUTPUT_EH_type if they have been specified.
1053 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
1054 (ia64_init_builtins): Add __builtin_ia64_bsp
1055 and __builtin_ia64_flushrs.
1056 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
1057 IA64_BUILTIN_FLUSHRS.
1058 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
1059 IA64_BUILTIN_FLUSHRS.
1061 * config/ia64/ia64.md (flushrs): New insn to flush the register
1062 stack. Add to unspec list.
1064 * config/ia64/crtbegin.asm (frame_object): Change size.
1065 (__do_frame_setup_aux): New function.
1066 * config/ia64/crtend.asm: call __do_frame_setup_aux.
1067 * config/ia64/t-ia64 (LIB2ADDEH): Add.
1068 * Makefile.in (LIB2ADDEH): Add.
1069 (LIB2ADD): Use LIB2ADDEH.
1071 2000-05-24 Richard Henderson <rth@cygnus.com>
1073 * recog.c (offsettable_address_p): If mode size is zero, assume
1074 BIGGEST_ALIGNMENT.
1076 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
1078 * configure.in: Check for -Wno-long-long option support and improve
1079 handling of warning CFLAGS for stages 1 and 2.
1080 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
1081 * configure: Regenerate.
1083 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
1085 * gcc.texi: Remove contributor list. Instead include contrib.texi.
1086 * contrib.texi: New file.
1088 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1090 * loop.c (basic_induction_var): Avoid double recording of an increment.
1092 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1094 * Back out this patch:
1095 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
1096 * loop.h (struct induction): Add multi_insn_incr.
1097 * loop.c (basic_induction_var): New multi_insn_incr argument.
1098 Set it if we search back through previous insns for the biv.
1099 (record_biv): New multi_insn_incr argument; fill in struct induction.
1100 (strength_reduce): Discard an iv with multiple bivs, any of
1101 which require multiple insns to increment.
1103 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
1105 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1107 * rtl.h (loc_mentioned_in_p): Declare.
1108 * reload.c (loc_mentioned_in_p): Moved from here...
1109 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
1110 Fix loop increment for 'E' handling.
1111 * loop.c (strength_reduce): When doing biv->giv conversion,
1112 take multi-insn biv increments into account.
1114 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
1116 * stmt.c (expand_end_bindings): Look through NOTEs to find a
1117 BARRIER.
1119 2000-05-24 Mark Mitchell <mark@codesourcery.com>
1121 * calls.c (expand_call): Handle cleanups in tail-recursion
1122 arguments analagously to cleanups in sibling calls.
1124 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1126 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
1127 All callers changed.
1129 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1131 * expr.c (expand_assignment, store_expr, expand_expr,
1132 expand_expr_unaligned): Set in_check_memory_usage while emitting
1133 chkr_check_addr libcall.
1135 2000-05-24 Nick Clifton <nickc@cygnus.com>
1137 * fold-const.c (extract_muldiv): When constructing a
1138 multiplier/divisor, do not expect const_binop to correctly
1139 determine if overflow has occured, so check explicitly.
1141 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1143 * c-decl.c (build_enumerator): Don't modify the value's type,
1144 convert it.
1146 2000-05-24 Andreas Jaeger <aj@suse.de>
1148 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
1150 2000-05-24 Eric Christopher <echristo@cygnus.com>
1152 * configure.in: Redefine inhibit_libc conditions.
1153 * libgcc2.c: Remove inhibit_libc conditional define.
1154 * configure: Regenerate.
1156 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
1158 * configure.in: For --enable-languages=LIST, check for empty LIST.
1159 * configure: Regenerate.
1161 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
1163 * pdp11.h (STACK_BOUNDARY): Define.
1165 2000-05-24 Jakub Jelinek <jakub@redhat.com>
1167 * ifcvt.c (if_convert): Update life info globally.
1169 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1171 * emit-rtl.c (unshare_all_decls): New function.
1172 (unshare_all_rtl): Call it.
1174 2000-05-23 Nick Clifton <nickc@cygnus.com>
1176 * configure.in: Treat 'strongarm' as if it were 'arm' when
1177 determining cpu type.
1179 * configure: Regenerate.
1181 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
1182 where constant strings are involved.
1184 * config/arm/arm.h (arm_condition_codes): Change type to 'const
1185 char *'.
1187 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
1188 cases where constant strings are involved.
1190 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
1192 * config/sh/sh.c (gen_far_branch, split_branches): Update
1193 to reflect new prototypes for redirect_jump and invert_jump.
1194 (sh_insn_length_adjustment): Get rid of const warnings.
1196 2000-05-23 Kazu Hirata <kazu@hxi.com>
1198 * invoke.texi (Options for Debugging Your Program or GCC): Update
1199 the names of dump files.
1201 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
1203 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
1204 * configure: Regenerated.
1206 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1208 * simplify-rtx.c (SIGN_EXTEND): New macro.
1209 (simplify_unary_operation, simplify_binary_operation,
1210 simplify_relational_operation): Use SIGN_EXTEND. Make low
1211 halves of (low, high) pairs unsigned if they weren't already.
1212 (simplify_ternary_operation): Cast INTVAL to unsigned before
1213 comparing to a MODE_BITSIZE.
1215 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1217 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
1218 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
1220 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
1221 gcc_AC_NEED_DECLARATIONS.
1223 * dwarfout.c: Don't prototype time().
1225 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
1227 * system.h: Likewise.
1229 * toplev.c: Likewise.
1231 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1233 * c-decl.c (pushdecl): Invert sense of test for non-global types.
1235 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1237 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
1239 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
1241 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
1243 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1245 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
1246 (alpha_start_function): Never write ..ng label if VMS or NT.
1247 (alpha_align_insns): Remove GP_IN_USE arg.
1248 Alignment now unsigned.
1249 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
1250 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
1251 and two define_insn's.
1253 2000-05-22 Richard Henderson <rth@cygnus.com>
1255 * combine.c (simplify_comparison): Use trunc_int_for_mode.
1257 2000-05-22 Richard Henderson <rth@cygnus.com>
1259 * stor-layout.c (place_field): Change rli->size to rli->offset.
1261 2000-05-22 Richard Henderson <rth@cygnus.com>
1263 * function.c (thread_prologue_and_epilogue_insns): Make sure
1264 existing line number notes appear after the prologue.
1266 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1268 * config/alpha/alpha.c (alpha_fnname): New static variable.
1269 (print_operand, case '~'): New case.
1270 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
1271 (alpha_start_function): Set alpha_fnname.
1272 Write "ng" label if no ldgp; don't write ldgp insn.
1273 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
1274 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
1276 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
1278 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
1279 on deleted labels.
1281 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
1283 * varasm.c (eh_frame_section): Revert change to argument list.
1285 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1287 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
1288 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
1290 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
1291 dangling "else" that causes "break" to be conditional.
1292 Also remove unneeded code at start.
1294 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
1296 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
1297 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
1298 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
1300 2000-05-22 Jakub Jelinek <jakub@redhat.com>
1302 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
1303 just one argument.
1305 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1307 * alias.c (record_component_aliases): New function.
1308 * tree.h: Clean up some declarations and comments.
1309 (record_component_aliases): New declaration.
1310 * tree.c (get_alias_set): If type and has alias set, use it.
1312 2000-05-22 Richard Henderson <rth@cygnus.com>
1314 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
1315 IF_THEN_ELSE to a setcc form.
1316 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
1318 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1320 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
1321 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1323 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1325 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1326 not a PARALLEL.
1328 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1330 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1331 * config/mn10300/mn10300.c (print_operand): Likewise.
1333 * final.c (split_double): Right shift of negative values is not
1334 portable.
1336 * ifcvt.c (if_convert): Scan and kill dead code.
1338 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1340 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1342 * diagnostic.c: Eliminate implicit int.
1343 * except.c, gcc.c: Add static prototypes.
1344 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1345 * gensupport.c (process_rtx): Use XVEC to initialize vector
1346 slot of 'split'.
1348 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1349 debug_reg_names instead of static reg_names. If not, define
1350 global reg_names.
1351 * regclass.c: Don't define global reg_names unless
1352 DEBUG_REGISTER_NAMES is defined.
1354 * reload1.c (order_regs_for_reload): Remove unused variable.
1355 * varasm.c: Include output.h after defaults.h. Define
1356 eh_frame_section as function of no args, not of unspecified args.
1358 * gcc.c: Constify argbuf; arguments to store_arg,
1359 process_command, main; elements of struct command and struct
1360 switchstr; local variables in execute, process_command, main.
1362 2000-05-20 Bruce Korb <bkorb@gnu.org>
1364 * fixinc/inclhack.def: many applications of c_fix=format + tests
1365 * fixinc/check.diff: regenerated
1366 * fixinc/fixincl.x: regenerated
1368 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1370 * alias.c: Clarify some comments.
1371 (record_base_value): REGNO is unsigned.
1372 * rtl.h (record_base_value): Likewise.
1374 * alias.c (aliases_everything_p): Don't special-case QImode here.
1375 * c-common.c (c_get_alias_set): Do it here.
1376 Handle BIT_FIELD_REF by getting alias info for arg.
1377 Use POINTER_TYPE_P.
1379 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1381 * mklibgcc.in: Restore rule to create ${dir}.
1383 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1385 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1386 GCC_FOR_TARGET used by MULTILIBS.
1387 * mklibgcc.in: Make sure each .o file depends on the
1388 directory it will be in.
1389 Make the multilib directory depends libgcc.
1391 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1393 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1395 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1397 * fold-const.c (make_range): Handle degenerated intervals.
1398 Fixes c-torture/execute/991221-1.c
1400 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1402 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1403 * reload.c (find_equiv_reg): Likewise.
1404 * alias.c (init_alias_analysis): Likewise.
1405 Only call prologue_epilogue_contains on insns.
1406 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1407 * bb-reorder.c (hard-reg-set.h): Include earlier.
1408 * haifa-sched.c (hard-reg-set.h): Likewise.
1409 * ifcvt.c (hard-reg-set.h): Likewise.
1410 * local-alloc.c (hard-reg-set.h): Likewise.
1411 * loop.c (hard-reg-set.h): Likewise.
1412 * predict.c (hard-reg-set.h): Likewise.
1413 * regrename.c (hard-reg-set.h): Likewise.
1414 * flow.c (hard-reg-set.h): Likewise.
1415 (reg_set_to_hard_reg_set): New function.
1416 * bitmap.c (regs.h, basic-block.h): No longer include.
1417 (bitmap.h): Now include.
1418 * conflict.c (hard-reg-set.h): Include.
1419 * profile.c (hard-reg-set.h): Likewise.
1420 * print-rtl.c (hard-reg-set.h): Likewise.
1421 * sbitmap.c (hard-reg-set.h): Likewise.
1422 * toplev.c (hard-reg-set.h): Likewise.
1423 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1424 * hard-reg-set.h (reg_names): Now constant.
1425 * regs.h (reg_names): Likewise.
1426 * regclass.c (reg_names): Likewise.
1427 * loop.h (basic-block.h): No longer include.
1428 (bitmap.h): Now include.
1429 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1430 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1431 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1433 2000-05-19 Jan Hubicka <jh@suse.cz>
1434 Richard Henderson <rth@cygnus.com>
1436 * basic-block.h (struct edge_def): New field "count".
1437 (struct basic_block_def): Likewise.
1438 * flow.c (entry_exit_blocks): Add count fileds.
1439 (split_edge): Keep count information up-to-date.
1440 (dump_edge_info, dump_flow_info): Dump count fields.
1442 * final.c (count_instrumented_edges): Rename to edge from arc.
1443 (end_final): Update users.
1444 * profile.c: Include expr.h, basic-block.h.
1445 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1446 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1447 (ignore_next_note, return_label_execution_count): Kill.
1448 (bbg_file_name, da_file_name): Kill.
1449 (edge_info, bb_info): New structures.
1450 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1451 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1452 (total_num_edges_instrumented): Likewise.
1453 (init_arc, expand_spanning_tree): Kill.
1454 (fill_spanning_tree, tablejump_entry_p): Kill.
1455 (instrument_edges): Rewrite from instrument_arcs to use
1456 commit_edge_insertions infrastructure.
1457 (compute_branch_probabilities): Remove arguments; rewrite for
1458 CFG infrastructure; use rtl_dump_file directly.
1459 (branch_prob, find_spanning_tree): Likewise.
1460 (union_groups, find_group): New.
1461 (init_branch_prob): Make bbg_file_name and da_file_name local.
1462 (end_branch_prob): Use rtl_dump_file directly.
1463 (init_edge_profiler): Rename to edge from arc.
1464 (output_arc_profiler): Kill.
1465 (gen_edge_profiler): New.
1466 (output_func_start_profiler): Turn off profiling. Make the
1467 constructor static when we can.
1468 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1470 * toplev.c (DFI_flow): Remove.
1471 (DFI_cfg, DFI_life): New.
1472 (dump_file): Update accordingly.
1473 (compile_file): Call end_branch_prob if profile_arc_flag too.
1474 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1475 profiling after the CFG is built. Move flow1 life analysis to
1476 DFI_life. Always estimate remaining probabilities.
1478 2000-05-19 Richard Henderson <rth@cygnus.com>
1480 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1482 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1484 2000-05-19 Richard Henderson <rth@cygnus.com>
1486 * jump.c (redirect_jump): Add delete_unused argument. Don't
1487 remove labels and code following when LABEL_NUSES goes to zero.
1488 (invert_jump): Likewise.
1489 (jump_optimize_1): Fix redirect/invert arguments.
1490 (do_cross_jump, thread_jumps): Likewise.
1491 * flow.c (split_edge): Likewise.
1492 * reorg.c (optimize_skip): Likewise.
1493 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1494 * profile.c (instrument_arcs): Likewise.
1495 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1496 * rtl.h: Update prototypes.
1498 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1500 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1501 notes.
1502 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1503 critical edges.
1505 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1507 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1508 past l1 when deleting whitespace and markers.
1510 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1511 * cpplib.c (do_unassert): Put the list to compare against on
1512 the stack.
1514 2000-05-19 Bruce Korb <bkorb@gnu.org>
1516 * fixinc/README: cleaned up old documentation
1517 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1518 * fixinc/check.tpl: compute the list of needed directories
1519 emit "#if defined(name)" because of conflict
1520 omit machine name differences from output differences
1521 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1522 (machine_name): change test text to use `sed' markers
1523 * fixinc/fixincl.x: regen
1525 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1527 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1528 a CONSTRUCTOR.
1530 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1532 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1533 it to match the current practice.
1535 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1537 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1539 2000-05-18 Richard Henderson <rth@cygnus.com>
1541 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1542 * rtl.h (insn_dependant_p): Declare it.
1543 * loop.c (strength_reduce): Use it.
1545 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1547 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1548 16-bit and 64-bit clean-up.
1550 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1552 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1553 * configure: Rebuilt.
1555 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1557 * genopinit.c: Use $ for escape sequences in optab patterns.
1558 Remove backslashes from optab patterns. Change $A, $B, $C to
1559 expand to (int) whatever instead of just whatever; remove
1560 explicit (int) from all optab patterns.
1562 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1563 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1564 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1565 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1566 xstrdup.
1568 2000-05-18 Richard Henderson <rth@cygnus.com>
1570 * jump.c (jump_optimize_1): Base minimum insn count during
1571 find_cross_jump on BRANCH_COST.
1573 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1575 * print-rtl.c (print_rtx): Only print note line number as string
1576 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1577 * final.c (final_scan_insn): Do nothing for note line number 0.
1579 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1581 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1582 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1583 NOTE_INSN_DELETED_LABEL.
1585 2000-05-18 Nick Clifton <nickc@cygnus.com>
1587 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1588 uninitialised data in .rodata not .bss, and do not interpret an
1589 error in the initialisation value as meaning that the variable
1590 should be placed in the .bss section.
1592 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1594 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1595 not `$ac_cv_prog_cc_cc_c_o'.
1596 * configure: Regenerated.
1598 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1599 Richard Henderson <rth@cygnus.com>
1601 * c-common.h (enum c_tree_index): Add g77 type entries.
1602 (g77_integer_type_node, g77_uinteger_type_node): New.
1603 (g77_longint_type_node, g77_ulongint_type_node): New.
1604 * c-decl.c (init_decl_processing): Initialize them.
1606 2000-05-18 Richard Henderson <rth@cygnus.com>
1608 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1610 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1611 (small_power_of_two): Likewise; use exact_log2.
1612 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1613 (output_adds_subs): Remove.
1614 (two_insn_adds_subs_operand): New.
1615 (split_adds_subs): New.
1616 * config/h8300/h8300-protos.h: Update.
1617 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1618 (CONST_OK_FOR_L): Match strict adds operands.
1619 (CONST_OK_FOR_N): Match struct subs operands.
1620 * config/h8300/h8300.md (adds_subs insns): Remove.
1621 (addhi patterns): Output adds/subs directly.
1622 (addsi_h8300h): Likewise.
1623 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1625 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1627 * cppexp.c (parse_assertion): New.
1628 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1629 (_cpp_parse_expr): Remove case '#'. Don't set
1630 parsing_if_directive.
1631 * cpphash.c (collect_objlike_expansion,
1632 collect_funlike_expansion, collect_params,
1633 _cpp_create_definition): The list no longer has a trailing
1634 VSPACE token.
1635 * cpphash.h (enum node_type): Add T_ASSERTION.
1636 (struct hashnode): Remove aschain, add pred.
1637 (struct predicate): New.
1638 Update prototypes.
1640 * cpplex.c (expand_token_space): Handle both offset and
1641 nonoffset lists.
1642 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1643 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1644 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1645 _cpp_equiv_toklists): New.
1646 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1647 stop at any single-character token, not just newline.
1648 (_cpp_lex_token): Remove special cases for #define and #if.
1649 (cpp_get_token): Expect # as a separate token type. Remove
1650 DIRECTIVE case.
1651 (_cpp_get_directive_token): Remove DIRECTIVE case.
1652 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1654 * cpplib.c (_cpp_check_directive): Set dirno and
1655 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1656 (_cpp_handle_directive): Run # <number> through the same logic
1657 as normal directives.
1658 (do_define): Don't set parsing_define_directive. Use
1659 _cpp_scan_until. The list does not have a VSPACE at the end.
1660 (do_if): Save, clear, and restore only_seen_white around
1661 _cpp_parse_expr.
1662 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1663 (do_assert, do_unassert): Rewrite.
1665 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1666 (LIST_OFFSET): New flag.
1667 (struct cpp_toklist): Replace dir_handler and dir_flags with
1668 dirno and flags.
1669 (struct cpp_reader): Remove parsing_if_directive and
1670 parsing_define_directive.
1672 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1674 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1675 following the cabs decl which terminate on the following line.
1676 Add the corresponding test_text case.
1678 2000-05-18 Neil Booth <NeilB@earthling.net>
1680 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1681 default tab stop size.
1682 (no_num, OPT_ftabstop): New.
1683 (handle_option): Handle "ftabstop=" command-line option.
1684 (print_help): Document it.
1685 * cpplex.c (COLUMN): Remove.
1686 (handle_newline): Reset col_adjust.
1687 (skip_whitespace): Update col_adjust as tabs encountered.
1688 (_cpp_lex_line): Update to use col_adjust. Call
1689 skip_whitespace for all whitespace.
1690 * cpplib.h (struct cpp_options): New member tabstop.
1691 (struct cpp_reader): New member col_adjust.
1692 (CPP_BUF_COL): Update.
1693 (CPP_BUF_COLUMN): New.
1694 * cpp.texi: Document "-ftabstop=" command line option.
1696 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1698 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1699 files.
1700 * configure: Rebuilt.
1702 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1704 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1706 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1707 HOST_BITS_PER_WIDE_INT is >= 64.
1709 2000-05-17 Richard Henderson <rth@cygnus.com>
1711 * jump.c (jump_optimize_1): Remove inactive but real insns
1712 in jump-to-next-insn optimization.
1714 2000-05-17 Richard Henderson <rth@cygnus.com>
1716 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1717 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1718 Don't call recompute_reg_usage if no_new_pseudos is true.
1719 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1720 Return true if we did work; update global life information.
1721 * basic-block.h (optimize_mode_switching): Update decl.
1723 2000-05-17 Neil Booth <neilb@earthling.net>
1725 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1727 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1729 * cpplib.c: New feature, #pragma system_header.
1730 * cpp.texi: Document special treatment of system headers, and
1731 the various mechanisms to get a header that special treatment.
1733 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1735 * system.h (offsetof): Define at the very end, to ensure we prefer
1736 the platform's definition if available.
1738 2000-05-16 Bruce Korb <bkorb@gnu.org>
1740 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1741 * fixinc/server.c: likewise
1742 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1743 + #ifdef debugging code + use #def constant for
1744 sub-pattern count
1745 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1746 on C++ math namespace
1748 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1750 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1751 Don't check the return value of sprintf. Use asprintf to avoid
1752 buffer overflows.
1754 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1756 * flags.h (warn_unused_function, warn_unused_label,
1757 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1758 Replace ``warn_unused''.
1759 (set_Wunused): Add declaration.
1760 * toplev.c (set_Wunused): New function.
1761 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1762 warn_unused_variable, warn_unused_value): New variables.
1763 (W_options): Add -Wunused-function, -Wunused-function,
1764 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1765 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1767 * toplev.c (decode_W_option): Update -Wunused flags by calling
1768 set_Wunused.
1769 * c-decl.c (c_decode_option): Ditto for -Wall.
1771 * stmt.c (expand_expr_stmt, expand_expr_stmt,
1772 warn_about_unused_variables): Replace warn_unused with more
1773 explicit warn_unused_value et.al.
1774 * function.c (expand_function_end): Ditto.
1775 * c-typeck.c (internal_build_compound_expr,
1776 internal_build_compound_expr): Ditto.
1777 * c-decl.c (poplevel, pop_label_level): Ditto.
1778 * toplev.c (check_global_declarations): Replace warn_unused with
1779 check for either warn_unused_function or warn_unused_variable.
1781 * gcc.1, invoke.texi (Warning Options): Document
1782 -Wunused-function, -Wunused-function, -Wunused-label,
1783 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
1785 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
1787 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
1788 $(srcdir), not in the current directory.
1790 2000-05-16 Richard Henderson <rth@cygnus.com>
1792 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
1793 assembler supports it.
1794 (.fini, .init): Use a gp-relative indirect call.
1795 (__do_global_dtors_aux): Preserve the gp; rebundle.
1796 (__do_frame_setup): Likewise.
1797 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
1798 (.init): Use a gp-relative indirect call.
1799 (__do_global_ctors_aux): Preserve the gp.
1801 2000-05-16 Richard Henderson <rth@cygnus.com>
1803 * flow.c (commit_one_edge_insertion): Be prepared for a return
1804 insn to be inserted on the edge with a normal jump.
1805 * jump.c (jump_optimize_1): Don't look to create return isns.
1807 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
1808 * jump.c (jump_optimize_1): Likewise.
1809 (returnjump_p): Verify the argument is a JUMP_INSN.
1810 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
1812 2000-05-16 Nick Clifton <nickc@cygnus.com>
1814 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
1815 GET_RTX_CLASS (GET_CODE ()) == 'i'.
1816 (large_insn_p): Ditto.
1817 (m32r_is_insn): New function: Return true if the insn contains
1818 an executable instruction.
1819 (m32r_adjust_insn): Use m32r_is_insn.
1820 (m32r_sched_reorder): Use m32r_is_insn.
1821 (m32r_sched_variable_issue): Use m32r_is_insn.
1823 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1825 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
1826 VAR_DECL.
1828 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
1830 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
1831 according to given options.
1833 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
1835 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
1836 if X has VOIDmode either.
1837 (LIMIT_RELOAD_CLASS): Similarly.
1839 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
1840 not "general_operand" to match the processor's capabilities.
1842 2000-05-16 Bruce Korb <bkorb@gnu.org>
1844 * fixinc/README: corrected return address
1845 * fixinc/check.diff: regenerate, now that test works
1846 * fixinc/fixfixes.c(format_fix,format_write): reformatted
1847 (char_macro_def_fix,char_macro_use_fix): corrected and
1848 rewrote to use regex to parse the text
1849 * fixinc/inclhack.def: more testing
1850 * fixinc/fixincl.x: regenerated
1852 * fixinc/inclhack.def: added several "test_text" attributes
1853 changed several fixes to use `c_fix = format'
1854 re-alphabetized the fixes
1856 * fixinc/check.diff: regenerate
1857 * fixinc/fixincl.x: regenerate
1858 * fixinc/check.tpl: added `sparc' and `netinet' to the list
1859 of created dirs
1862 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
1864 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
1866 2000-05-15 Richard Henderson <rth@cygnus.com>
1868 * toplev.c (rest_of_compilation): Run full jump pass before
1869 find_basic_blocks of flow2.
1871 2000-05-15 Richard Henderson <rth@cygnus.com>
1873 * jump.c: Fix typos and clarify commentary from last change.
1874 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
1875 (safe_to_remove_jump_p): Remove.
1876 (condjump_label): Use pc_set.
1878 2000-05-15 Richard Henderson <rth@cygnus.com>
1880 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
1881 that get in the way after reload.
1882 (cond_exec_process_if_block): Skip a label heading THEN block.
1884 2000-05-15 Richard Henderson <rth@cygnus.com>
1886 * varasm.c (output_constant_pool): Abort instead of converting
1887 (improperly) deleted labels to zero.
1889 2000-05-16 Neil Booth <NeilB@earthling.net>
1891 * cpplex.c (parse_string2): Update comment.
1892 (cpp_lex_line): No special assertion treatment for '('.
1893 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
1894 * cpplib.h (SYNTAX_ASSERT): Remove.
1896 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1898 * jump.c (condjump_p): Mark as depreached.
1899 (any_condump_p): New.
1900 (any_uncondump_p): New.
1901 (pc_set): New.
1902 (safe_to_remove_jump_p): New.
1903 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
1904 safe_to_remove_jump_p): Declare.
1906 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1908 * calls.c: Re-install both patches reverted by last patch.
1909 (struct arg_data): New field tail_call_reg.
1910 (initialize_argument_information): Initialize tail_call_reg
1911 (load_register_parameters): New argument flags, use
1912 tail_call_reg when emiting tail call sequence.
1913 (expand_call): Update call of load_register_parameters;
1914 copy unadjusted_args_size to adjusted_args_size.
1916 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
1918 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
1919 and bct_p parameters to flags.
1920 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
1921 * rtl.h (loop_optimize): Update prototype.
1922 * toplev.c (rest_of_compilation): Update call of loop_optimize.
1924 2000-05-15 Jakub Jelinek <jakub@redhat.com>
1926 * calls.c (expand_call): Move expand_start_target_temps call after
1927 start_sequence().
1929 2000-05-15 Neil Booth <NeilB@earthling.net>
1931 * cpphash.c (trad_stringify, warn_trad_stringify,
1932 collect_params): Make some pointers pointers to const.
1933 * cpplex.c (auto_expand_name_space) Guaranteed to always
1934 expand by at least one character.
1935 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
1936 (struct token_spelling): Use const U_CHAR * rather than PTR.
1937 (expand_name_space): Fix up token pointers if name space
1938 is moved when expanding.
1939 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
1940 parse_string2, save_comment, spell_token, cpp_output_list):
1941 Update so the routines handle tokens with a direct pointer to
1942 their text, rather than an offset into the token's list's namebuf.
1943 (_cpp_lex_line): Rearrange for clarity.
1945 * cpplib.c (_cpp_check_directive): Similarly.
1946 (do_define): Make SYM a pointer to const.
1947 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
1948 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
1949 (TOK_OFFSET): Delete.
1950 (TOK_NAME): Update.
1952 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
1954 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
1955 64-bit ABI.
1957 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
1958 into account.
1959 (logical_u_operand): Delete.
1960 (non_logical_cint_operand): Rewrite to take MODE into account.
1961 (non_logical_u_cint_operand): Delete.
1962 (boolean_operator): New function.
1963 (print_operand): Add new %q operand.
1964 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
1965 remove logical_u_operand and non_logical_u_cint_operand,
1966 update logical_operand and non_logical_cint_operand.
1967 * config/rs6000/rs6000.md: Rewrite the patterns for performing
1968 logical operations to use %q.
1970 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
1971 (movdi): Make similar to movsi.
1972 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
1973 is no such thing as a DImode CONST_DOUBLE.
1974 * config/rs6000/rs6000.c (output_toc): Likewise.
1976 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
1977 codes when old mnemonics are in use. Print register names
1978 for cc registers when requested.
1980 * optabs.c (expand_float): Don't allow mode widening that causes
1981 double rounding.
1983 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
1984 flags to their current names -maix64 and -maix32.
1986 2000-05-14 Bruce Korb <bkorb@gnu.org>
1988 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
1989 and/or after current text of file
1990 * fixinc/fixlib.c(must_malloc):
1991 * fixinc/fixlib.h(must_malloc): + reformatting
1992 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
1993 with usages of ``c_fix = wrap;''
1994 Add several tests and use the ``c_fix = format'' fixer more.
1995 * fixinc/fixincl.x: regen
1996 * fixinc/check.diff: regen
1997 * fixinc/check.tpl: emit the associated header with the missing
1998 test message
2000 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
2002 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
2003 variables $src and $dst.
2005 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
2007 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
2008 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
2009 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
2010 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
2011 fields.
2012 (set_message_prefixing_rule): Declare.
2014 * diagnostic.c: (current_prefixing_rule): New variable.
2015 (set_message_prefixing_rule): Define.
2016 (output_set_prefix): Adjust buffer->emitted_prefix_p.
2017 (init_output_buffer): Adjust Initialization.
2018 (output_emit_prefix): Rewrite. Take prefixing rules into account.
2020 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
2022 * ifcvt.c (if_convert): Do not free NULL.
2024 2000-05-12 Nick Clifton <nickc@cygnus.com>
2026 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
2027 to move a double word value.
2028 (di_operand): New function: Return true if the operand is suitbale
2029 for a double word move operation.
2030 (nonimmediate_di_operand): New function: Return true if the
2031 operand is a DImode register or MEM.
2033 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
2034 nonimmediate_di_operand.
2036 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
2037 nonimmediate_di_operand.
2039 * config/fr30/fr30.md (movdi): New pattern. Required because
2040 other patterns generate DImode results.
2041 (movdi_insn): New pattern.
2043 2000-05-12 Richard Henderson <rth@cygnus.com>
2045 * config/alpha/alpha.c (struct shadow_summary): Define
2046 bitfields as type unsigned int.
2048 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
2050 * config/avr/t-avr: Added definition of FLOAT while generates
2051 fp-bit.c
2053 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
2054 peepholes for tst+jump = sbrs/sbrc optimization.
2056 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
2058 * expr.c (emit_push_insn): Do not adjust stack pointer when
2059 preallocating.
2061 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
2063 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
2064 * system.h (offsetof): ... to here.
2066 2000-05-12 Richard Henderson <rth@cygnus.com>
2068 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
2069 * final.c (final_end_function): Use app_disable. Rearrange note
2070 handling into a switch. Emit deleted labels.
2071 (output_asm_label): Generate label strings for deleted labels.
2072 * flow.c (tail_recursion_label_list): New.
2073 (find_basic_blocks_1): Set label_value_list directly. Collect list
2074 of tail recursion labels from call_placeholders. Don't add deleted
2075 labels to the label value list.
2076 (cleanup_cfg): Use free_EXPR_LIST_list.
2077 (flow_delete_insn_chain): Turn non-removable labels into notes.
2078 (flow_delete_block): Don't disable deleting the block because of
2079 a non-removable label.
2080 (tail_recursion_label_p): New.
2081 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
2082 because of a label.
2083 (merge_blocks_move_successor_nojumps): Likewise. Also move a
2084 jump table.
2085 (merge_blocks): Disable a merge because of tail recursion labels.
2086 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
2087 Use a more accurate measure of not merging the join block.
2088 (find_if_block): Don't disable conversion because of a label.
2089 (find_if_case_1, find_if_case_2): Likewise.
2090 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
2091 element when copying.
2092 (squeeze_notes): Also leave EH notes.
2093 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
2094 REG_LABEL notes.
2095 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
2096 deleting a label.
2097 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
2098 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
2099 referring to a deleted label. Convert tail handling to a switch.
2100 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
2101 for NOTE_INSN_DELETED_LABEL.
2102 (NOTE): Fix commentary.
2103 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
2104 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
2105 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
2106 (LABEL_NUSES, LABEL_REFS): Likewise.
2107 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
2109 2000-05-12 Bruce Korb <bkorb@gnu.org>
2111 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
2112 * fixinc/check.diff: updated
2113 * fixinc/inclhack.def: corrected & added some test_text-s
2114 * fixinc/genfixes: removed unneeded options to autogen invocation
2115 * fixinc/fixincl.tpl: Specified the output file
2116 * fixinc/fixfixes.c: visual appearance
2117 * fixinc/fixincl.x: regenerate
2119 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
2121 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
2122 CTRL_defn_fix): Delete.
2123 (fix_char_macro_defines, fix_char_macro_uses): Rename to
2124 char_macro_def_fix and char_macro_use_fix, respectively. Put
2125 them into the FIXUP_TABLE. Get the string to search for from
2126 a c_fix_arg.
2128 (format_write): New function.
2129 (format_fix): Use it.
2131 (FIX_PROC_HEAD): Constify text parameter.
2132 (machine_name_fix): Constify all char *s.
2133 * fixtests.c (skip_quote): Remove double static.
2135 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
2136 ctrl_use_quotes): Update for new scheme.
2137 * fixincl.x: Regenerate.
2139 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
2141 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
2142 DWARF2_DEBUG.
2143 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
2144 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2146 2000-05-11 Robert Lipe <robertlipe@usa.net>
2148 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
2149 * fixincl.x: Regenerate.
2151 2000-05-11 Richard Henderson <rth@cygnus.com>
2153 * calls.c: Revert both 05-09 patches.
2155 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
2157 * config/mn10300/mn10300.c (print_operand): Print FP constants in
2158 hexadecimal.
2159 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
2160 for FP values.
2162 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
2163 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
2165 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
2167 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
2169 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2171 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
2173 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
2175 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
2176 * config/avr/avr.c (jump_over_one_insn_p): New function.
2177 * config/avr/avr.md: New peepholes added. Output test and
2178 conditional jump to "sbrc" or "sbrs" command.
2180 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
2182 * cppmain.c (main): Use IS_DIR_SEPARATOR.
2184 2000-05-11 Jakub Jelinek <jakub@redhat.com>
2186 * except.c (find_exception_handler_labels_1): New function.
2187 (find_exception_handler_labels): Split into two functions, dive
2188 into CALL_PLACEHOLDERs when looking for exception handler labels.
2190 2000-05-11 Stan Cox <scox@cygnus.com>
2192 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
2193 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
2194 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
2196 2000-05-11 Bruce Korb <bkorb@gnu.org>
2198 * fixinc/fixfixes.c (double_slash_fix): obsolete
2199 (else_endif_label_fix): obsolete
2200 (format_fix): new, unused as yet
2201 (main): obsolete
2202 * fixinc/fixlib.h: added fix description struct for use by format_fix
2203 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
2204 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
2205 modules. Removed the vestiges of the script version.
2206 Added support for "make check".
2207 * fixinc/check.diff: base diff file (needs work!!)
2208 * fixinc/check.tpl: quiet the fixup output
2209 * fixinc/fixtests.c (main): obsolete
2210 * fixinc/fixincl.sh: don't bother copying fixincl to ..
2211 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
2213 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
2215 * toplev.c (rest_of_compilation): Remove dead code after
2216 combine.
2218 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2220 * cpphash.c (collect_funlike_expansion): Make "# is not
2221 followed by a macro argument name" a pedwarn, not an error.
2222 Preserve the # in the output. Suppress the warning if lang_asm.
2224 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
2226 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
2227 * configure: Rebuilt.
2229 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
2231 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
2233 2000-05-10 Kazu Hirata <kazu@hxi.com>
2235 * combine.c (try_combine): Fix a typo.
2237 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
2239 * config/ia64/ia64.md (insv): Add comment.
2241 2000-05-10 Richard Henderson <rth@cygnus.com>
2243 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
2244 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
2245 dependancies on FPBIT and DPBIT.
2247 2000-05-10 Nick Clifton <nickc@redhat.com>
2249 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
2250 when optimising for size.
2251 (mark_used_regs:) Ditto.
2252 (try_pre_increment_1): Ditto.
2254 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
2256 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
2257 Make error message friendlier.
2259 * cpphash.h (struct hashnode): Use struct hack for name
2260 member.
2261 * cpphash.c (struct hashdummy): New.
2262 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
2263 (make_HASHNODE): No need to set ->name pointer. Correct
2264 setting of p.
2265 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
2267 2000-05-10 Richard Henderson <rth@cygnus.com>
2269 * flow.c (find_basic_blocks_1): Remove any spare bb_note
2270 after completion.
2272 2000-05-10 Bruce Korb <bkorb@gnu.org>
2274 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
2276 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
2278 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
2279 after we enter .debug.
2281 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
2283 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
2284 abstract instance of a nested inline function.
2286 * stor-layout.c (finish_record_layout): finalize_type_size
2287 before laying out the pending_statics.
2289 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
2291 * cpplex.c (spell_token): New function.
2292 (spell_string, spell_comment, spell_name): fold into
2293 spell_token.
2294 (I, S): Add macros.
2295 (E, H): Remove macros.
2296 (save_comment): Save comment opening characters too.
2297 (_cpp_lex_file): Update to use spell_token. Tidy up comment
2298 handling.
2299 * cpplib.h (I, S): Add macros.
2300 (E, H): Remove macros.
2301 (TTYPE_TABLE): Update entries for new speller.
2302 (SYNTAX_ASSERT): Remove.
2304 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
2306 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
2307 when removing escaped newlines. Reverse sense of test for
2308 escaped newline.
2310 2000-05-09 Richard Henderson <rth@cygnus.com>
2312 * flow.c (find_basic_blocks_1): Do not delete the first
2313 bb_note we run across.
2314 (create_basic_block): Use reorder_insns to move an existing
2315 bb_note to the correct place.
2317 2000-05-09 Richard Henderson <rth@cygnus.com>
2319 * calls.c (expand_call): Increment currently_expanding_call
2320 before calling optimize_tail_recursion.
2322 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2324 * reload1.c (reload_combine): Fix errors in last change.
2326 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2328 * gcc.c (used_arg): Skip over a semicolon at the end of the
2329 split-up loop; don't break out of it.
2331 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2332 (tree.o): Depend on output.h.
2334 * c-decl.c (pending_invalid_xref_file,
2335 current_function_prototype_file): Constify.
2336 (pushdecl): Constify a local char *.
2337 (define_label): Constify filename parameter.
2338 * c-lex.c (init_parse): Constify parameter and return value.
2339 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2340 * c-tree.h: Update prototypes.
2341 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2342 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2343 objc/objc-parse.c: Regenerate.
2345 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2346 * dwarfout.h: Update prototypes.
2347 * expr.c (expand_expr): Constify a local char *.
2348 * flags.h: Constify main_input_filename.
2349 * function.c (expand_function_end): Constify filename parameter.
2350 * genrecog.c (make_insn_sequence): Use a character array for
2351 c_test_pos.
2352 (main): Remove unused variables.
2353 * input.h: Constify input_filename, main_input_filename, and
2354 file_stack.name. Update prototypes.
2355 * output.h: Declare first_global_object_name and
2356 weak_global_object_name here, as const char *.
2357 * stmt.c (expand_asm_operands): Constify filename parameter.
2358 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2359 Constify filename parameter.
2360 (input_filename, main_input_filename): Constify.
2361 * toplev.h: Update prototypes.
2362 * tree.c: Include output.h. Don't declare
2363 first_global_object_name or weak_global_object_name. Clean up string
2364 bashing in get_file_function_name_long.
2365 * tree.h (struct tree_decl): Constify filename member.
2366 (input_filename): Constify.
2367 Update prototypes.
2368 * varasm.c (first_global_object_name, weak_global_object_name):
2369 Constify.
2370 (assemble_start_function, assemble_variable): Clean up string bashing.
2372 * gcc.c: Constify all spec-related strings initialized,
2373 transitively, from string constants. Constify all strings
2374 and string variables related to multilibs.
2375 (set_spec, read_specs): Cast argument to free to PTR.
2376 (used_arg): Do not modify multilib_matches. Use strncmp plus
2377 length comparison to compare multilib switches.
2378 * genmultilib: Constify everything declared in multilib.h.
2380 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2382 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2383 as deleted.
2385 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2387 * config/avr/avr-protos.h (extra_constraint): change a type of
2388 second argument from char to int to avoid warnings.
2389 (asm_output_byte): Likewise.
2391 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2392 (initial_elimination_offset): Handle elimination from
2393 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2394 (legitimate_address_p): Use MAX_LD_OFFSET.
2395 (legitimize_address): Likewise.
2396 (out_movqi_r_mr): Likewise.
2397 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2398 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2399 (out_movsi_mr_r): Likewise.
2400 (out_movqi_mr_r): Likewise.
2401 (out_movhi_mr_r): Likewise.
2402 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2403 count as CONST_INT != 6.
2404 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2405 shift count is a CONSTANT_P, but not a CONST_INT.
2406 (ashlhi3_out): Coding style modifications.
2407 (ashlsi3_out): Likewise.
2408 (ashrhi3_out): Likewise.
2409 (ashrsi3_out): Likewise.
2410 (lshrhi3_out): Likewise.
2411 (lshrsi3_out): Likewise.
2412 (ashrqi3_out): Generate shift for any known constant count without
2413 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2414 but not a CONST_INT.
2415 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2416 shift count is a CONSTANT_P, but not a CONST_INT.
2417 (extra_constraint): change a type of
2418 second argument from char to int to avoid warnings.
2419 (asm_output_byte): Likewise.
2420 (asm_file_end): Output size generated commands count as a hex
2421 number too.
2423 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2425 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2426 removed.
2427 (ashlqi3): Values of "length" attribute changed. Shift count
2428 uses constraints 'n' instead of 'i'.
2429 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2430 shifts without clobber register.
2431 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2432 (call_insn): Correct test for which_alternative == 1 (was 0).
2433 (call_value_insn): Likewise.
2435 * config/avr/t-avr: Remove definition of FLOAT while generates
2436 fp-bit.c
2438 2000-05-09 Bruce Korb <bkorb@gnu.org>
2440 * fixinc/check.tpl: Template for checking fixes
2441 * fixinc/inclhack.def: Added 'test_text' for many fixes
2442 disable hpux8_bogus_inlines on SCO
2443 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2445 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2447 * calls.c (expand_call): Reorganize somewhat in order
2448 to avoid unnecesary recalculation inside loop and make
2449 tail call failure code cleaner.
2451 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2453 * alias.c (nonlocal_reference_p): Minor reformatting.
2454 * reload.c (find_equiv_reg): Simplify logic for
2455 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2456 some some reformatting.
2457 * reload1.c (reload_combine): Don't assume everything in
2458 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2460 2000-05-08 Richard Henderson <rth@cygnus.com>
2462 * final.c (current_insn_predicate): New.
2463 (final_scan_insn): Set it.
2464 * output.h (current_insn_predicate): Declare.
2466 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2467 Attach it to call insns.
2468 (cond_exec_process_if_block): Track probability for true and
2469 false branches.
2470 (dead_or_predicable): Likewise.
2472 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2473 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2474 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2475 (estimate_probability, expected_value_to_br_prob): Use them.
2477 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2478 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2479 (ia64_expand_prediction): New.
2480 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2481 as needed after calls.
2482 (ia64_epilogue_uses): Mark b0 used.
2483 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2484 (bne_true, bne_false): Remove.
2485 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2486 (br_true, br_false): New. Use predicate_operator and
2487 ia64_expand_prediction.
2488 (return_true, return_false): Likewise.
2489 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2490 (call_internal1, call_value_internal): Likewise.
2491 (call_value_internal1, call_multiple_values_internal1): Likewise.
2493 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2495 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2497 2000-05-08 Richard Henderson <rth@cygnus.com>
2499 * rtlanal.c (may_trap_p): Consider old-style and volatile
2500 asms to trap.
2502 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2504 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2506 2000-05-08 Richard Henderson <rth@cygnus.com>
2508 * config/ia64/ia64.h (predicate_operator): Declare.
2510 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2511 of existance.
2513 * gensupport.c (process_rtx): Copy and post-process each member
2514 of the define_insn rtvec individually.
2516 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2518 * cpplex.c (spell_token): New function.
2519 (TOKEN_LEN): Add 1 for whitespace.
2520 (_cpp_lex_file): Update to use spell_token.
2521 * cpplib.h (E): Remove.
2522 (TTYPE_TABLE): Update CPP_VSPACE entry.
2524 2000-05-08 Richard Henderson <rth@cygnus.com>
2526 * flow.c (init_propagate_block_info): Watch out for conditional
2527 branch to next instruction, and thus one outgoing edge.
2529 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2530 for global register variables; don't special case __[CD]TOR_LIST__;
2531 mind ggc_p for string allocation.
2533 2000-05-08 Nick Clifton <nickc@cygnus.com>
2535 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2537 2000-05-08 Bruce Korb <bkorb@gnu.org>
2539 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2540 i?86-*-msdosdjgpp* no longer uses fixincludes
2541 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2542 * fixinc/inclhack.sh: deleted
2543 * fixinc/hackshell.tpl: deleted
2544 * fixinc/inclhack.tpl: deleted
2545 * fixinc/Makefile.in: Remove dependencies on above
2546 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2548 2000-05-08 Andreas Jaeger <aj@suse.de>
2550 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2551 support.
2553 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2555 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2556 substitutions.
2558 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2560 * cpplex.c: Move new lexer definitions and prototypes
2561 to top. Conditional include these and the code if
2562 NEW_LEXER is defined. Rename functions whose names
2563 clash if this code included.
2565 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2567 * rtl.def (COND_EXEC): Clarify.
2569 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2570 same fashion as zero_extendsidi2.
2572 2000-05-06 Richard Henderson <rth@cygnus.com>
2574 * config/ia64/ia64.c (predicate_operator): New.
2575 (ia64_print_operand): Handle 'J'.
2576 (rtx_needs_barrier): Handle COND_EXEC.
2577 * config/ia64/ia64.h (BRANCH_COST): Define.
2578 (PREDICATE_CODES): Update.
2579 * config/ia64/ia64.md: Docuement used unspec values.
2580 (attr predicable): New.
2581 (movxf, movxf_internal): New.
2582 (extendsfdf2): Don't comment out nop.
2583 (floatdidf2): Remove.
2584 (truncxfsf2, truncxfdf2, floatdixf2): New.
2585 (abssi2, absdi2): Put the neg in the "true" slot.
2586 (conditional branch instructions): Mark not predicable.
2587 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2588 (abs*_internal): Likewise.
2589 (alloc, set_bsp): Mark not predicable.
2590 (barrier, insn_group_barrier, flush_cache): Likewise.
2591 (define_cond_exec): New.
2593 2000-05-06 Richard Henderson <rth@cygnus.com>
2595 * c-decl.c: Include "tm_p.h".
2597 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2598 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2599 (ia64_expand_op_and_fetch): Declare.
2600 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2601 (setjmp_operand): Constify variables for XSTR.
2602 (ia64_encode_section_info): Likewise.
2603 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2604 values to int.
2605 (ia64_asm_output_external): Constify name.
2606 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2607 (process_for_unwind_directive): Provide switch default.
2608 (ia64_expand_compare_and_swap): Remove unused variables.
2609 (ia64_expand_builtin): Likewise.
2610 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2611 for printing.
2613 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2614 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2615 (shift_count_operand, shift_32bit_count_operand): Likewise.
2616 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2617 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2618 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2619 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2620 (ia64_expand_builtin): Likewise.
2621 (call_multiple_values_operation): Make dest_regno unsigned.
2623 2000-05-06 Richard Henderson <rth@cygnus.com>
2625 * rtl.def (DEFINE_COND_EXEC): New.
2626 * md.texi: Document it.
2628 * gensupport.c (input_file): Remove.
2629 (struct queue_elem): Add lineno.
2630 (rtx_ready_queue): Remove.
2631 (errors): New.
2632 (predicable_default): New.
2633 (predicable_true, predicable_false): New.
2634 (define_attr_queue, define_attr_tail): New.
2635 (define_insn_queue, define_insn_tail): New.
2636 (define_cond_exec_queue, define_cond_exec_tail): New.
2637 (other_queue, other_tail): New.
2638 (queue_pattern): New.
2639 (process_rtx): Add patterns to the appropriate queues.
2640 (is_predicable, identify_predicable_attribute): New.
2641 (n_alternatives, collect_insn_data): New.
2642 (alter_predicate_for_insn, alter_test_for_insn): New.
2643 (shift_output_template, alter_output_for_insn): New.
2644 (process_one_cond_exec, process_define_cond_exec): New.
2645 (init_md_reader): Read the entire file. Process define_cond_exec.
2646 (read_md_rtx): Return elements from the queues.
2648 2000-05-06 Richard Henderson <rth@cygnus.com>
2650 * flow.c (mark_set_1): Don't update conditional life info
2651 if the register is not_dead.
2653 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2655 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2656 (mostlyclean): Also delete fixincl, fixinc.sh, and
2657 specs.ready, and make clean in the fixinc subdir.
2659 2000-05-06 Richard Henderson <rth@cygnus.com>
2661 * Makefile.in (gensupport.o): Compile for the host.
2662 (host-prefix gensuuprt.o): Remove.
2663 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2664 (genattrtab.o): Likewise.
2665 (gencodes.o): Depend on gensupport.h.
2666 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2667 (genpeep.o, genattr.o, genoutput.o): Likewise.
2669 * gensupport.c (obstack, rtl_obstack): New.
2670 (init_md_reader): Initialize rtl_obstack.
2671 * gensupport.h (rtl_obstack): Declare.
2672 (message_with_line): Declare.
2674 * genattr.c: Remove all traces of obstack manipulation.
2675 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2676 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2678 * genattrtab.c (obstack, rtl_obstack): Remove.
2679 (main): Don't init rtl_obstack.
2680 * genflags.c: Likewise.
2682 * genrecog.c (message_with_line): Move ...
2683 * gensupport.c: ... here.
2685 2000-05-06 Richard Henderson <rth@cygnus.com>
2687 * c-typeck.c (build_c_cast): Remove dead code.
2689 2000-05-06 Richard Henderson <rth@cygnus.com>
2691 * flow.c (split_edge): Don't allocate global_live_at_start for
2692 the new block unless the old blocks had them as well.
2694 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2696 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2697 test_bb if a or b uses x.
2699 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2701 * cpphash.h: Remove conditional #define of __extension__.
2702 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2703 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2704 (ENABLE_RTL_CHECKING only).
2705 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2706 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2707 (ENABLE_TREE_CHECKING only).
2708 * varray.h: Add __extension__ to VARRAY_CHECK macro
2709 (ENABLE_CHECKING only).
2711 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2713 Use new tail-calling mechanism on ARM.
2714 * arm.md (sibcall, sibcall_value): New expands.
2715 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2716 (tailcalling peepholes): Delete.
2717 (push_multi): Simplify.
2718 * arm.c (lr_save_eliminated): Delete definition.
2719 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2720 (output_return_instruction): Remove checks on lr_save_eliminated.
2721 (output_arm_prologue): Remove old tail-calling code.
2722 (arm_output_epilogue): New parameter, really_return. All callers
2723 changed. Handle tail-calling epilogues.
2724 * arm.h (lr_save_eliminated): Delete declaration.
2725 (frame_pointer_needed): Delete declaration.
2726 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2728 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2729 TARGET_ARM.
2730 * arm.c (thumb_code): Define it.
2731 (arm_override_options): Set it.
2732 * arm.h (thumb_code): Declare it.
2734 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2736 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2738 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2740 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2741 bogus clobber to insns.
2742 (load_multiple_operation, store_mulitple_operation): Don't check
2743 for it.
2744 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2746 * arm.md (and_scc, ior_scc): Add missing mode.
2748 * arm.md (call_value_symbol): Remove predicate from op2.
2750 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2752 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2754 * expr.c (get_subtarget): New function.
2755 (force_operand, expand_expr, do_store_flag): Use it.
2757 * toplev.c (compile_file): Don't take strlen of NAME if null.
2759 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2761 * xcoffout.c (xcoff_current_include_file,
2762 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2763 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2764 char *'.
2765 (xcoffout_declare_function): Make name 'const char *'.
2766 (xcoffout_end_epilogue): Make fname 'const char *'
2767 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2768 xcoffout_declare_function, xcoffout_source_line): Match above.
2770 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
2771 -maix64 is error.
2772 * rs6000.c (print_operand): Fix lossage typo.
2773 (output_cbranch): Remove "cr" decoration for now.
2774 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
2776 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
2778 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
2779 constant count.
2781 2000-05-05 Bruce Korb <bkorb@gnu.org>
2783 * fixinc/genfixes: Improve the matching for make target names
2785 2000-05-05 Catherine Moore <clm@cygnus.com>
2787 * c-common.c (decl_attributes): For TYPE_DECLs attach the
2788 attribute to the decl.
2789 * c-decl.c (pushdecl): Propagate the USED attribute to the
2790 type copy.
2792 2000-05-05 Richard Henderson <rth@cygnus.com>
2794 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
2795 same way emit_group_load does.
2797 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
2799 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
2801 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
2802 (main): Likewise.
2804 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
2806 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
2808 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
2810 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
2811 to support -shared, on platforms with dynamic libraries.
2813 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
2815 * system.h (S_ISBLK): Provide fallback definition.
2817 2000-05-05 Geoff Berry <geoffb@bops.com>
2819 * extend.texi (Extended Asm): Document inability to give asm
2820 statements access to condition codes.
2822 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
2824 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
2825 as arg 2 of UNIQUE_SECTION.
2827 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
2829 * predict.c: Remove May 4 change.
2830 * bb-reorder.c (make_reorder_chain): Do not perform block movement
2831 if we have predicted the branch at 50-50 probability.
2833 2000-05-05 Richard Henderson <rth@cygnus.com>
2835 * flow.c (init_propagate_block_info): Fix merge error
2836 in HAVE_conditional_execution code.
2838 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
2840 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
2841 shift cycle for unknown shift count. Also generates dec + brpl.
2842 (ashlqi3_out): Don't generate dec + brpl which now generates by
2843 `out_shift_with_cnt'.
2844 (ashlhi3_out): Likewise.
2845 (ashlsi3_out): Likewise.
2846 (ashrqi3_out): Likewise.
2847 (ashrhi3_out): Likewise.
2848 (ashrsi3_out): Likewise.
2849 (lshrqi3_out): Likewise.
2850 (lshrhi3_out): Likewise.
2851 (lshrsi3_out): Likewise.
2853 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
2855 * gcc.c (free_split_directories): Correct typo in explanation
2856 of make_relative_prefix.
2858 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2860 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
2861 comparison codes to branch_comparison_operator.
2863 2000-05-04 Richard Henderson <rth@cygnus.com>
2865 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
2867 2000-05-04 Richard Henderson <rth@cygnus.com>
2869 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
2870 (DPBIT_FUNCS): Remove _sf_to_usi.
2871 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
2873 * ifcvt.c (noce_process_if_block): Fail if A or B modified
2874 between condition and jump.
2876 * libgcc2.c (near eh_context_specific): Comment #endif string.
2877 * longlong.h: Don't use strings with embedded newlines.
2879 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2881 * config/rs6000/rs6000-protos.h: Add output_cbranch.
2882 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
2883 (print_operand): Delete %t and %T codes.
2884 (output_cbranch): New function. Support branch prediction.
2885 * config/rs6000/rs6000.md: Use output_cbranch for
2886 conditional branches and returns.
2888 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
2890 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
2891 * stor-layout.c (place_field): Likewise.
2892 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
2893 * expr.c (store_expr): Make align unsigned.
2894 * explow.c (plus_constant_wide): Make low words unsigned.
2895 * expmed.c (choose_multiplier): Likewise.
2896 * fold-const.c (fold): Likewise.
2897 * tree.h (build_int_2): Likewise.
2898 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
2899 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
2900 (init_emit): Change cast to unsigned char*.
2901 * varasm.c (compare_constant_1): Add cast to char*.
2902 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
2903 * reload1.c (reload): Likewise.
2905 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
2907 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
2909 * predict.c (estimate_probability): If no prediction was found, then
2910 predict the successor that is the next physical block (if such a
2911 successor exists).
2913 2000-05-04 Richard Henderson <rth@cygnus.com>
2915 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
2917 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2919 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
2921 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
2923 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
2924 attribute macros from here ...
2925 (CPP_SPEC): to here.
2926 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2927 (CPP_SPEC): Likewise.
2928 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
2930 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
2931 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
2933 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2935 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
2937 * diagnostic (vbuild_message_string, build_message_string,
2938 build_location_prefix, output_get_prefix, init_output_buffer,
2939 output_notice, vline_wrapper_message_with_location,
2940 v_message_with_decl, default_print_error_function): De-constify.
2941 (set_real_maximum_length): Prototype.
2943 * diagnostic.h (struct output_buffer, init_output_buffer,
2944 output_get_prefix, output_set_prefix): De-constify.
2946 * function.c (init_function_start): Constify.
2948 * gensupport.c (remove_constraints, process_rtx): Prototype.
2950 * gthr-posix.h: Indent uses of #pragma.
2952 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
2953 Prototype.
2955 * predict.c (find_expected_value): Delete prototype.
2956 (expected_value_to_br_prob): Initialize variable `ev_reg'.
2958 * sbitmap.h (debug_sbitmap): Prototype.
2960 * ssa.c (compute_coalesced_reg_partition): Prototype.
2962 * stor-layout.c (debug_rli): Prototype.
2964 * tree.h (round_down): Prototype.
2965 (init_function_start): Constify.
2967 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
2969 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
2970 (overly conservative). Change extern inline wrappers to
2971 static inline, define them always, use PARAMS properly.
2972 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
2973 whitespace warnings for \f and \v at the beginning of a line.
2975 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
2977 * haifa-sched.c (schedule_insns): Free the flow edge list when it
2978 is no longer needed
2980 2000-05-04 Bruce Korb <bkorb@gnu.org>
2982 * fixincl/inclhack.def: added broken_cabs -
2983 Remove `extern double cabs' declarations from math.h
2984 * fixincl/inclhack.sh: regen
2985 * fixincl/fixincl.x: regen
2986 * fixincl/fixincl.c: Remove BOGOSITY code
2987 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
2989 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2991 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
2992 MEM_ALIAS_SET.
2993 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
2994 when calling MEM_COPY_ATTRIBUTES.
2995 * emit-rtl.c (operand_subword, change_address): Likewise.
2996 * explow.c (stabilize): Likewise.
2997 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2998 * integrate.c (copy_rtx_and_substitute): Likewise.
2999 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
3000 when calling MEM_COPY_ATTRIBUTES.
3001 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
3002 Likewise.
3003 * cse.c (gen_lowpart_if_possible): Likewise.
3004 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3005 * optabs.c (gen_move_insn): Likewise.
3006 * recog.c (validate_replace_rtx_1): Likewise.
3007 * simplify-rtx.c (add_mem_for_addr): Likewise.
3008 * stmt.c (expand_anon_union_decl): Likewise.
3009 * config/arm/arm.md: Likewise.
3010 * config/h8300/h7300.c (fix_bit_operand): Likewise.
3011 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
3012 (block_move_no_loop, block_move_sequence): Likewise.
3013 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
3014 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3015 Clear MEM_ALIAS_SET.
3016 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
3017 MEM_COPY_ATTRIBUTES.
3019 2000-05-03 Robert Lipe <robertlipe@usa.net>
3021 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
3022 to suppress libgcc1.
3023 (i[34567]86-*-sco3.2v5*) Likewise.
3024 (i[34567]86-*-sco3.2v4*) Likewise.
3025 (i[34567]86-*-sco) Likewise.
3026 (i[34567]86-*-solaris2) Likewise.
3027 (i[34567]86-*-sysv5*) Likewise.
3028 (i[34567]86-*-sysv4*) Likewise.
3029 (i[34567]86-*-udk*) Likewise.
3030 (i[34567]86-*-sysv*) Likewise.
3032 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3034 * cpphash.h (U): New define, to correct type of string constants.
3035 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
3036 routines, to do casts when passing unsigned strings to libc.
3037 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
3039 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
3040 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
3041 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
3042 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
3043 second argument an U_CHAR *.
3045 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
3046 length field, clean up initializer.
3047 (ISTABLE): Add __extension__ to designated-
3048 initializers version.
3049 * cpplex.c (CHARTAB): Likewise.
3051 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
3052 case so the file won't be empty.
3054 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
3056 * bb-reorder.c (struct reorder_block_def): Member succ removed.
3057 (REORDER_BLOCK_SUCC): Removed.
3058 (enum reorder_skip_type): Removed.
3059 (skip_insns_between_block): Renamed to skip_insns_after_block.
3060 Removed second argument. Removed dead code and cleaned up.
3061 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
3062 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
3063 second parameter to skip_insns_after_block.
3065 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3067 * tree.c (staticp, case LABEL_DECL): New case.
3069 2000-05-03 Richard Henderson <rth@cygnus.com>
3071 * Makefile.in (start.encap): Do not depend on LIBGCC1.
3073 * mklibgcc1.in: Fix typo last change.
3075 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3077 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
3078 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
3079 (GCC_CFLAGS): Use it.
3080 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
3081 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
3082 objc/Make-lang.in: Use it.
3084 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
3086 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
3088 2000-05-03 Richard Henderson <rth@cygnus.com>
3090 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
3091 LIBGCC1 empty with libgcc1.null.
3093 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
3095 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
3096 change.
3098 2000-05-03 Greg McGary <gkm@gnu.org>
3100 * tree.h (tree_common): Add bounded_flag member. Remove
3101 inaccurate comment about number of remaining bits.
3102 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
3103 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
3104 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
3105 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
3106 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
3107 (TYPE_QUAL_BOUNDED): New constant.
3108 (TYPE_QUALS): Handle bounded qualifier.
3109 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
3110 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
3111 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
3112 TYPE_AMBIENT_BOUNDEDNESS): New macros.
3113 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
3114 (tree_type): Add pointer_depth member. Remove
3115 inaccurate comment about number of remaining bits.
3116 (DECL_POINTER_DEPTH): Add macro.
3117 (tree_decl): Add pointer_depth member.
3119 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
3121 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
3122 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
3123 (lshrhi3_out): Likewise.
3124 (ashrsi3_out): bugfix in shift by 8.
3125 (test_hard_reg_class): New function.
3126 * config/avr/avr.md: Bugfix inside conditions in peepholes.
3127 (ashlhi3): removed define_expand of this pattern.
3128 (*ashlhi3_insn): renamed to ashlhi3.
3129 (ashlsi3): removed define_expand of this pattern.
3130 (*ashlsi3_insn): renamed to ashlsi3.
3131 (ashrqi3): removed define_expand of this pattern.
3132 (*ashrqi3_insn): renamed to ashrqi3.
3133 (ashrhi3): removed define_expand of this pattern.
3134 (*ashrhi3_insn): renamed to ashrhi3.
3135 (ashrsi3): removed define_expand of this pattern.
3136 (*ashrsi3_insn): renamed to ashrsi3.
3137 (lshrhi3): removed define_expand of this pattern.
3138 (*lshrhi3_insn): renamed to lshrhi3.
3139 (lshrsi3): removed define_expand of this pattern.
3140 (*lshrsi3_insn): renamed to lshrsi3.
3142 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
3144 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
3145 inclusion of "system.h".
3147 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
3149 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
3150 TREE_ASM_WRITTEN.
3152 2000-05-03 David Mosberger <davidm@hpl.hp.com>
3154 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
3155 if -mauto-pic is on.
3156 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
3157 -mconstant-gp is in effect and function-descriptors are being used
3158 to make indirect calls.
3159 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
3160 (MASK_AUTO_PIC): Ditto.
3161 (TARGET_CONST_GP): Ditto.
3162 (TARGET_AUTO_PIC): Ditto.
3163 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
3164 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
3165 -mno-pic is in effect.
3166 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
3167 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
3168 -mauto-pic is in effect.
3169 (gprel64_offset): New pattern.
3170 (load_gprel64): Ditto.
3171 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
3172 -mconstant-gp is in effect, no need to preserve gp around direct
3173 calls.
3174 (call_value): Ditto.
3175 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
3176 (FUNCTION_PROFILER): Define.
3177 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
3178 @fptr() directive when -mno-pic or -mauto-pic is in effect.
3179 (ASM_OUTPUT_DESTRUCTOR): Ditto.
3181 2000-05-03 Richard Henderson <rth@cygnus.com>
3183 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
3184 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
3185 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
3186 (mklibgcc, libgcc.mk): New targets.
3187 (libgcc.a): Use libgcc.mk.
3188 (stmp-multilib): Likewise.
3189 (stmp-multilib-sub): Remove.
3190 (mostlyclean): Don't delete libgcc2 temp files.
3191 * configure.in (AC_PROG_CC_C_O): Add.
3192 (NO_MINUS_C_MINUS_O): Substitute it.
3193 (all_outputs): Add mklibgcc.
3194 * mklibgcc.in: New file.
3196 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3198 * cppexp.c (op_t): Make an int.
3200 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
3202 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
3204 * gensupport.c (process_rtx): Fix macros used.
3206 2000-05-03 Richard Henderson <rth@cygnus.com>
3208 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
3209 call-clobbered registers of a call.
3211 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3213 * gensupport.c: New file.
3214 * gensupport.h: New file.
3215 * Makefile.in (HOST_RTL): Depend on gensupport.
3216 (gensupport.o) New rule.
3217 * genattr.c: Use gensupport for reading .md files.
3218 * genattrtab.c: Ditto.
3219 * gencodes.c: Ditto.
3220 * genconfig.c: Ditto.
3221 * genemit.c: Ditto.
3222 * genextract.c: Ditto.
3223 * genflags.c: Ditto.
3224 * genopinit.c: Ditto.
3225 * genoutput.c: Ditto.
3226 * genpeep.c: Ditto.
3227 * genrecog.c: Ditto.
3228 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
3229 * md.texi (Insn Splitting): Document define_insn_and_split.
3231 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
3233 * flow.c (verify_flow_info): Added two more sanity checks. The
3234 first checks that the blocks are numbered consecutively. The second
3235 checks that n_basic_blocks is actually equal to the number of
3236 basic blocks in the insn chain.
3238 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3240 * cpplib.h: Add accessor macros for token lists.
3241 * cpplib.c, cpphash.c, cpplex.c: Use them.
3243 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3245 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
3246 memory usage if not in a function.
3247 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
3248 return address if static.
3250 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
3252 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
3253 whether address may trap.
3255 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
3257 * bb-reorder (chain_reorder_blocks): Changed code to test for
3258 EDGE_FALLTHRU rather than making erroneous assumption that the
3259 first outgoing edge is the fall-through edge.
3261 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
3263 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
3264 ABI for varargs, across all MIPS. This is incompatible because the
3265 va_list (__builtin_va_list) structure is different, so a compilation
3266 unit passing a va_list and a compilation unit being passed one, should
3267 both be compiled with the same ABI. (The old structure had two
3268 pointers, now it has three.)
3270 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
3272 * bb-reorder.c (struct reorder_block_def): Remove members end,
3273 block_begin, and block_end.
3274 (REORDER_BLOCK_OLD_END): Delete.
3275 (REORDER_BLOCK_BEGIN): Delete.
3276 (REORDER_BLOCK_END): Delete.
3277 (chain_reorder_blocks): Remove dead code.
3279 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
3281 * bb-reorder.c (remove_scope_notes): Check for both types of scope
3282 notes as the end of a basic block before deleting.
3284 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
3286 * final.c (final_start_function): Fix spelling of "necessary".
3288 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
3290 * toplev.c (debug_ignore_block): Return int.
3291 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
3292 * toplev.h, dwarf2out.h: Adjust.
3293 * emit-rtl.c (remove_unnecessary_notes): Test return value.
3295 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
3296 * toplev.c, final.c, rtl.h: Adjust.
3298 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3300 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
3301 * configure.in: Look for makeinfo in the unified tree, then
3302 for a system makeinfo which is sufficiently new.
3303 * Makefile.in: If configure says makeinfo is too old, don't
3304 build or install Info documentation.
3306 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3308 * cpphash.c (collect_params): Fix off-by-one error.
3309 (dump_hash_helper): Dump all four macro nodetypes.
3311 2000-05-02 Jakub Jelinek <jakub@redhat.com>
3313 * cpphash.c (trad_stringify): Adjust p after stringification as
3314 well.
3316 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3318 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
3319 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
3321 * cppfiles.c (file_cleanup): Delete.
3322 * cpphash.c (macro_cleanup): Delete.
3323 (collect_objlike_expansion, collect_funlike_expansion,
3324 macarg, scan_arguments): Remove CPP_POP case.
3326 * cpplex.c (null_cleanup): Delete.
3327 (cpp_pop_buffer): Do the work that was done in the cleanups
3328 here. Call _cpp_unwind_if_stack from here.
3329 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3330 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3331 stack is the buffer _below_ the one we stacked.
3332 (cpp_get_token): Always pop an exhausted buffer. Return
3333 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3334 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3335 increment the line number.
3336 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3338 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3339 we see CPP_EOF and the top of stack is the buffer _below_ the
3340 one we stacked.
3341 * scan-decls.c: Likewise.
3343 2000-05-02 Andrew Haley <aph@cygnus.com>
3345 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3346 where this function is called for the second time on a decl that
3347 has had its section info changed in such a way as to move it out
3348 of small data/bss.
3349 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3351 2000-05-01 Richard Henderson <rth@cygnus.com>
3353 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3354 the sequence we're moving, not to merge_bb->head.
3356 2000-05-01 Richard Henderson <rth@cygnus.com>
3358 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3359 reference to alpha/t-linux.
3360 (alpha*-*-linux-gnu*): Likewise.
3361 * configure: Rebuild.
3363 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3365 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3366 if not in SSA form.
3368 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3370 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3372 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3373 TREE_THIS_VOLATILE.
3375 2000-05-01 Richard Henderson <rth@cygnus.com>
3377 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3378 emit_conditional_move.
3380 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3382 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3383 as the dynamic linker.
3385 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3387 * cppfiles.c (open_include_file): Open file in blocking mode.
3388 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3389 Only exclude block devices and directories.
3391 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3392 static. Allocate the hashnode and its string in the same
3393 block of memory.
3394 (del_HASHNODE): Don't free h->name.
3395 (_cpp_lookup): If there is no entry for this string, create
3396 one, of type T_VOID.
3397 (_cpp_lookup_slot): Delete.
3398 * cpphash.h: Update prototypes.
3400 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3401 not hp == NULL.
3402 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3403 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3404 node here, just fill in the value field properly. "Delete"
3405 entries by setting the value field to T_VOID. Check for
3406 hp->type == T_VOID, not hp == NULL.
3408 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3409 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3410 hashtab.h.
3412 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3414 * config/mn10300/mn10300.c (print_operand_address): Do not add
3415 zero to SP.
3417 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3418 adjusted by less than 256 bytes, use ret regardless of having any
3419 callee-saved register to restore.
3421 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3423 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3425 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3427 * config/i386/djgpp.h (INT_ASM_OP): Define.
3428 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3429 (ASM_WEAKEN_LABEL): Define.
3430 (MASK_BNU210): Define.
3431 (SUBTARGET_SWITCHES): Define.
3432 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3433 (MAKE_DECL_ONE_ONLY): Define.
3434 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3436 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3438 * i386/cygwin.h (INT_ASM_OP): Define.
3440 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3442 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3443 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3445 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3447 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3448 __tmp_reg__ and __zero_reg__ initialization.
3450 2000-04-30 Richard Henderson <rth@cygnus.com>
3452 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3454 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3455 referenced bewteen the condition and the jump. Don't delete
3456 anything but the jump.
3458 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3460 * bb-reorder.c (scope_def): New struct.
3461 (scope_forest_info): New struct.
3462 (struct reorder_block_def): New member "scope".
3463 (REORDER_BLOCK_SCOPE): New macro.
3464 (relate_bbs_with_scopes): New function and prototype.
3465 (make_new_scope): Likewise.
3466 (build_scope_forest): Likewise.
3467 (remove_scope_notes): Likewise.
3468 (insert_intra_1): Likewise.
3469 (insert_intra_bb_scope_notes): Likewise.
3470 (insert_inter_bb_scope_notes): Likewise.
3471 (rebuild_scope_notes): Likewise.
3472 (free_scope_forest_1): Likewise.
3473 (free_scope_forest): Likewise.
3474 (dump_scope_forest): Likewise.
3475 (dump_scope_forest_1): Likewise.
3476 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3477 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3478 block.
3479 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3480 and remove_scope_notes before reordering is done. Added calls to
3481 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3482 after reordering is done.
3484 2000-40-30 Bruce Korb <bkorb@gnu.org>
3486 * fixinc/inclhack.def: Added definitions needed by OSR5,
3487 removed two stale entries (defined away with OLD_CPP).
3488 * fixinc/inclhack.sh: regen
3489 * fixinc/fixincl.x: regen
3491 2000-04-30 Richard Henderson <rth@cygnus.com>
3493 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3494 from the last insn in the sequence.
3496 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3498 * cpplex.c (cpp_idcmp): New function.
3499 * cpplib.h: Prototype it.
3500 * scan_decls.c (scan_decls): Use it to inspect token names.
3501 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3502 the file being run through the preprocessor.
3503 (check_macro_names): Provide length of token to cpp_defined.
3505 * Makefile.in: Remove stale warning message.
3507 * cppfiles.c (redundant_include_p): Provide length of token to
3508 cpp_defined.
3509 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3510 values are unsigned int.
3511 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3512 (_cpp_lookup_slot): Do not calculate the hash, either.
3513 * cpphash.h: Update prototypes.
3514 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3515 Hashes are unsigned int. Calculate hash here, pass by value
3516 to _cpp_lookup_slot.
3518 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3520 * simplify-rtx.c (check_value_useless): Delete function.
3521 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3522 by hand.
3523 (cselib_invalidate_regno): Likewise.
3524 (cselib_invalidate_mem_1): Likewise.
3525 (references_value_p): Recognize useless values by the fact that they
3526 have no locations.
3527 (discard_useless_values): Likewise.
3528 (cselib_record_set): This may turn a useless value
3529 into a useful one.
3531 2000-04-30 Richard Henderson <rth@cygnus.com>
3533 * config/d30v: New port.
3535 * configure.in (d30v-*): Set fp format.
3536 * configure: Rebuild.
3538 2000-04-30 Richard Henderson <rth@cygnus.com>
3540 * ifcvt.c: New file.
3541 * Makefile.in (OBJS): Add it.
3542 (ifcvt.o): New target.
3543 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3544 and conditional arithmetic.
3545 (find_insert_position): Remove.
3546 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3547 * toplev.c (DFI_ce, DFI_ce2): New.
3548 (dump_file): Add ce and ce2 dumps.
3549 (rest_of_compilation): Run if_convert a couple o times. Set
3550 cse_not_expected after cse2. Don't set no_new_pseudos until
3551 after sched1 or recompute_reg_usage.
3553 2000-04-30 Richard Henderson <rth@cygnus.com>
3555 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3556 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3558 2000-04-30 Richard Henderson <rth@cygnus.com>
3560 * flow.c (struct reg_cond_life_info): New.
3561 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3562 (init_propagate_block_info): Initialize them.
3563 (free_propagate_block_info): Destruct them.
3564 (mark_set_1): Consider conditional life before killing a register.
3565 (mark_regno_cond_dead): New.
3566 (free_reg_cond_life_info): New.
3567 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3568 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3569 (mark_used_reg): Record conditional life.
3571 * haifa-sched.c (schedule_insns): Disable death counting
3572 sanity check for HAVE_conditional_execution.
3574 2000-04-30 Richard Henderson <rth@cygnus.com>
3576 * Makefile.in (TIMEVAR_H): New.
3577 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3578 (timevar.h): Remove rule.
3580 2000-04-29 Richard Henderson <rth@cygnus.com>
3582 * config/alpha/crtend.asm: Use C comments instead of #.
3583 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3585 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3587 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3589 * cpphash.h (enum node_type: Take out T_MCONST.
3590 (union hashval): Move into struct hashnode.
3591 (struct hashnode): Pack tighter. Remove file, line, col
3592 members.
3593 * cpphash.c: Constify most of the macro-definition structures.
3594 (struct definition): Replace by struct object_defn
3595 and struct funct_defn. Put file, line, column information
3596 here. All users updated to match.
3597 (_cpp_create_definition, _cpp_macroexpand): Remove special
3598 case for #define WORD OTHERWORD.
3599 * cpplib.c (do_undef): Remove T_MCONST case.
3601 * cpphash.h: Move struct reflist, struct definition, and the
3602 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3603 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3604 * cpphash.c (_cpp_free_definition): Free data pointed to by
3605 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3606 (_cpp_create_definition, del_HASHNODE): Just call
3607 _cpp_free_definition to clear out a hashnode.
3608 * cpplib.c (do_pragma_poison): Likewise.
3610 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3612 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3613 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3614 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3615 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3616 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3617 REGNO_AM33_P): Redefine in terms of the new macros.
3618 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3619 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3620 STRUCT_VALUE): Likewise.
3621 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3622 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3624 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3626 * regmove.c (struct record_stack_memrefs_data): New.
3627 (record_stack_memrefs): New function.
3628 (combine_stack_adjustments_for_block): Use it.
3630 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3632 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3633 use special_function_p to detect alloca.
3635 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3637 * gcc.texi: Fixes for makeinfo 4.0 --html.
3639 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3641 * pcp.h: Delete file.
3643 2000-04-28 Kazu Hirata <kazu@hxi.com>
3645 * h8300.c (function_epilogue): Clean up flags when the last insn
3646 in a function is a barrier.
3648 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3650 * configure.in (sparc-hal-solaris2*): protect [] glob from
3651 my expansion.
3652 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3653 rather than hard-coded constants in target_cpu_default2.
3654 * configure: Regenerate.
3656 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3658 * tree.c (get_callee_fndecl): Extract the initial value from
3659 a readonly decl.
3661 2000-04-28 Richard Henderson <rth@cygnus.com>
3663 * varasm.c (record_constant_1): Record the CODE_LABEL when
3664 taking the address of a LABEL_REF.
3666 2000-04-28 Richard Henderson <rth@cygnus.com>
3667 Jan Hubicka <jh@suse.cz>
3669 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3670 adjustment; don't do the stack adjust.
3671 (expand_call): Call compute_argument_block_size right before
3672 allocating the block; update comment; don't do alignment sanity
3673 checking for sibling call; use args_size instead of
3674 unadjusted_args_size before args_size is adjusted. Use
3675 combine_pending_stack_adjustment_and_call to compute stack adjust
3676 for must_preallocate case.
3678 * expr.c (push_block): Remove shadow `temp' in inner scope.
3680 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3682 * toplev.c (rest_of_compilation): Call
3683 note_deferral_of_defined_inline_function even if the function
3684 can't be inlined.
3686 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3688 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3690 2000-04-28 Richard Henderson <rth@cygnus.com>
3692 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3694 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3696 * timevar.c (init_timevar): DeANSIfy function definition.
3698 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3700 * Makefile.in (timevar.o): Depend on flags.h.
3701 * timevar.c (unused_stack_instances): New variable.
3702 (timevar_push): Take a timevar_stack_def from
3703 unused_stack_instances if available.
3704 (timevar_pop): Push the popped timevar_stack_def onto
3705 unused_stack_instances.
3706 (TIMEVAR_ENABLE): New macro.
3707 (timevar_def): Make standalone a 1-bit field. Add field used.
3708 (get_time): Rename parameter to now. Return after clearing it if
3709 not TIMEVAR_ENABLE.
3710 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3711 (timevar_pop): Likewise.
3712 (timevar_stop): Likewise.
3713 (timevar_push): Likewise. Mark the timing variable as used.
3714 (timevar_start): Likewise.
3715 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3716 timevars that were never used.
3718 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3720 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3721 always TREE_READONLY.
3723 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3725 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3726 for call instruction with mode QImode.
3728 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3730 * Makefile.in (OBJS): Add timevar.o.
3731 (toplev.o): Depend on timevar.h.
3732 (ggc-simple.o): Likewise.
3733 (ggc-page.o): Likewise.
3734 (timevar.o): New rule.
3735 (timevar.h): New rule.
3737 * timevar.h: New file.
3738 * timevar.c: Likewise.
3739 * timevar.def: Likewise.
3741 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3742 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3743 throughout.
3744 (TIMEVAR): Remove macro.
3745 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3746 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3747 flow_time, combine_time, regmove_time, sched_time,
3748 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3749 sched2_time, dbr_sched_time, reorder_blocks_time,
3750 rename_registers_time, shorten_branch_time, stack_reg_time,
3751 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3752 all_time): Remove.
3753 (compile_file): Don't initialize time variables. Call
3754 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3755 of many calls to print_time.
3756 (rest_of_compilation): Add timing for reload_cse_regs.
3757 (get_run_time): Removed to timevar.c.
3758 (print_time): Likewise.
3759 (get_run_time): Implement using TV_TOTAL time variable.
3760 (print_time): Get total run time from get_run_time.
3761 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3762 computing elapsed time explicitly.
3763 * ggc-simple.c (ggc_collect): Likewise.
3764 (gc_time): Remove declaration.
3766 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3768 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3769 (expand_call): Use it.
3771 2000-04-27 Jan Hubicka <jh@suse.cz>
3773 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
3774 fields.
3776 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3778 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
3779 registers.
3781 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
3783 * function.c (epilogue_done): Pass whole insn to record_insns.
3785 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3787 * cse.c (CSE_ADDRESS_COST): Remove.
3788 (find_best_addr): Add new parameter "MODE", use address_cost instead
3789 of CSE_ADDRESS_COST
3790 (address_cost): New.
3791 (fold_rtx): Update call of find_best_addr.
3792 * rtl.h (address_cost): Declare.
3793 * loop.c (general_induction_var): Add new parameter "MODE", use
3794 address_cost instead of ADDRESS_COST
3795 (init_loop): Use address_cost instead of ADDRESS_COST.
3796 (check_insn_for_givs): Update call of general_induction_var.
3797 (find_mem_givs): Likewise.
3798 (consec_sets_giv): Likewise.
3799 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
3800 * i386.c (ix86_address_cost): New.
3801 * i386-protos.h (ix86_address_cost): Declare.
3803 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
3805 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
3806 registers.
3808 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
3810 * expr.c (store_expr): Use clear_storage instead of direct memset
3811 libcall.
3813 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
3815 * config/mn10300/mn10300.c (mn10300_address_cost): Test
3816 ASHIFT, AND and LABEL_REF.
3818 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
3820 * invoke.texi (-foptimize-sibling-calls): Fix.
3822 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
3824 * loop.c (load_mems) Don't use hard registers for the hoisting.
3826 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
3827 calculation; rename const_equiv array in the preconditioning code
3828 from loop_unroll to loop_unroll_precondition
3830 2000-04-27 Richard Henderson <rth@cygnus.com>
3832 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
3833 add new_set.
3834 (propagate_one_insn): Clear it. Don't update reg_live here.
3835 (init_propagate_block_info): Update for pbi member changes.
3836 (free_propagate_block_info): Likewise.
3837 (mark_set_1): Know that zero_extract, sign_extract, and
3838 strict_low_part don't kill their argument. Alter hard subregs.
3839 Update new_set for non-CLOBBER sets. Update reg_live.
3840 (find_auto_inc): Update reg_live, not new_dead.
3841 (mark_used_reg): Update reg_live, not new_live. Examine new_set
3842 to determine if the reg in question was set this insn. Only update
3843 reg info with PROP_REG_INFO.
3845 2000-04-26 Richard Henderson <rth@cygnus.com>
3847 * flow.c (allocate_reg_life_data): Set max_regno here ...
3848 (life_analysis): ... not here.
3850 * flow.c (calculate_global_regs_live): Force stack pointer
3851 live at end.
3853 2000-04-26 Richard Henderson <rth@cygnus.com>
3855 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
3856 commit change group changes.
3857 (invert_exp_1): Similarly.
3858 (redirect_exp, invert_exp): Use them.
3859 (redirect_jump_1): New.
3860 (invert_jump_1): New.
3861 (jump_optimize_1): Remove code subsumed by condexec.c.
3862 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
3864 2000-04-26 Richard Henderson <rth@cygnus.com>
3866 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
3868 * genconfig.c (main): Set all HAVE_foo to 1.
3870 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
3872 2000-04-26 Alex Samuel <samuel@codesourcery.com>
3874 * invoke.texi: Document -fssa flag.
3876 2000-04-26 Richard Henderson <rth@cygnus.com>
3878 * flow.c (count_reg_sets_1): Remove.
3879 (count_reg_sets, count_reg_references): Remove.
3880 (recompute_reg_usage): Implement with update_life_info.
3881 Reallocate life data.
3883 2000-04-26 Richard Henderson <rth@cygnus.com>
3885 * flow.c (update_life_info): Consider blocks null to mean the
3886 universal set.
3887 (calculate_global_regs_live): Likewise.
3888 (life_analysis): Do that instead of collecting all_blocks.
3890 2000-04-26 Richard Henderson <rth@cygnus.com>
3892 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
3893 a still-valid conditional jump.
3895 2000-04-26 Richard Henderson <rth@cygnus.com>
3897 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
3899 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
3900 * flow.c (calculate_loop_depth): Remove.
3901 * output.h (calculate_loop_depth): Don't declare.
3902 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
3903 inline; run estimate_probability at the same time.
3905 2000-04-26 Neil Booth <NeilB@earthling.net>
3907 * cpplib.h: "~=" is not a single pp-token.
3908 * cpplex.c: Correct commentary.
3910 2000-04-26 Richard Henderson <rth@cygnus.com>
3912 * flow.c (mark_set_1): New arguments code and flags; update all
3913 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
3914 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
3915 loop_depth when optimizing for size. Do new_dead update after
3916 emitting REG_UNUSED notes. Merge mark_set_reg code.
3917 (mark_set_reg): Remove.
3918 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
3919 arrange to not emit REG_UNUSED notes.
3921 2000-04-26 Richard Henderson <rth@cygnus.com>
3923 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
3924 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
3926 2000-04-26 Richard Henderson <rth@cygnus.com>
3928 * flow.c (propagate_one_insn): Break out from propagate_block.
3929 (init_propagate_block_info): Likewise.
3930 (free_propagate_block_info): Likewise.
3931 (propagate_block): Use them. Export.
3932 * basic-block.h: Declare them all.
3934 2000-04-26 Richard Henderson <rth@cygnus.com>
3936 * basic-block.h (life_analysis): Declare here ...
3937 * output.h: ... not here.
3938 * flow.c (life_analysis): Remove nregs parameter; replace
3939 remove_dead_code with flags. Remove ssa dead code check.
3940 Only init alias analysis if we'll use it.
3941 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
3942 * ssa.c (convert_to_ssa): Likewise.
3943 (convert_from_ssa): Likewise.
3944 * toplev.c (rest_of_compilation): Likewise.
3946 2000-04-26 Richard Henderson <rth@cygnus.com>
3948 * flow.c (flow_delete_block): Rename from delete_block. Export.
3949 * basic-block.h (flow_delete_block): Declare.
3951 2000-04-26 David S. Miller <davem@redhat.com>
3953 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
3954 taking a PATTERN of it.
3956 2000-04-26 <NeilB@earthling.net>
3958 * cpplex.c (spell_other, spell_char): Remove.
3959 (SPELL_CHAR): New.
3960 (token_spelling, trigraph_map): Use unsigned chars.
3961 (_cpp_lex_line): Tidy up the switch statement.
3962 * cpplib.h: Implement spell_char with spell_string.
3963 (C): New.
3965 2000-04-26 <RodneyBrown@pmsc.com>
3967 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3968 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3970 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3972 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
3973 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
3974 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
3975 dwarf2out_return_save, dwarf2out_return_reg,
3976 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
3977 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
3978 gen_compile_unit_die, dwarf2out_init): Constify a char*.
3980 * dwarf2out.h (dwarf2out_init): Likewise.
3982 * dwarfout.c (filename_entry, primary_filename, last_filename,
3983 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
3985 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
3986 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
3987 dwarf2out_return_reg): Likewise.
3989 2000-04-26 Andreas Jaeger <aj@suse.de>
3991 * extend.texi (Function Attributes): Fix description of pure
3992 attribute.
3994 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3996 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
3997 before calling rest_of_compilation.
3999 2000-04-26 Andreas Jaeger <aj@suse.de>
4001 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
4002 last patch.
4004 2000-04-25 Richard Henderson <rth@cygnus.com>
4006 * cse.c (cse_insn): Emit barrier after unconditional jump.
4008 * calls.c (expand_call): Disable tail call generation once
4009 rtx_equal_function_value_matters is false.
4011 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
4012 like EDGE_EH edges.
4014 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
4016 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
4018 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
4020 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
4021 is the primary DIE for a member function.
4022 (gen_decl_die): Call set_decl_origin_self here.
4023 * dwarfout.c (output_decl): And here.
4024 * integrate.c (output_inline_function): Not here.
4025 Don't clear DECL_INLINE until after calling rest_of_compilation.
4026 (set_decl_origin_self): No longer static.
4027 * tree.h: Add prototype.
4028 * toplev.c (note_deferral_of_defined_inline_function): Only write
4029 out abstract instance for actual inlines.
4031 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
4033 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
4034 EXTENDED_REGS only if TARGET_AM33.
4035 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
4036 SP_REGS to register allocation and reloading unless absolutely
4037 necessary.
4038 (movsi3): Remove special-case of adding non-constants to SP.
4040 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4042 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
4043 INCLUDES to search and does not provide any of its own. Also it
4044 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
4045 parameters. Also it does not call AC_DEFINE.
4046 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
4047 AC_DEFINE and provides for automatic entries for autoheader.
4048 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
4050 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
4051 so we can pass -I flags and include gansidecl.h/system.h in this
4052 test.
4054 * acconfig.h: Delete all NEED_DECLARATION_* entries.
4056 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4058 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4059 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4060 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
4062 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4063 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4064 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
4065 for these macros. Clean up spacing and linewraps.
4067 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4069 * calls.c (expand_call): Use get_callee_fndecl.
4071 * print-tree.c (print_node): Print the chain of an _EXPR.
4073 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
4074 Jim Wilson <wilson@cygnus.com>
4075 Andrew Haley <aph@cygnus.com>
4077 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
4078 and gp save/restore problems.
4079 * config/ia64/crtend.asm: Add IA-64 unwind support.
4080 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
4081 in fr_pad_size calculation.
4082 (save_restore_insns): Move PR save area. Correct uses of
4083 RTX_FRAME_RELATED_P.
4084 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
4085 (ia64_expand_epilogue): Add eh_epilogue support.
4086 (ia64_function_prologue): Emit .prologue directive.
4087 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
4088 (ia64_override_options): Set init_machine_status and
4089 mark_machine_status.
4090 (rtx_needs_barrier): Handle bsp reads and writes.
4091 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
4092 New static variables.
4093 (process_set, process_for_unwind_directive): New functions.
4094 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
4095 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
4096 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
4097 macros.
4098 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
4099 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
4100 (struct machine_function): Define.
4101 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
4103 2000-04-25 Bruce Korb <bkorb@gnu.org>
4105 * fixinc/Makefile.in: make the removal of old programs more
4106 robust
4107 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
4108 install-bin and install-sh
4110 2000-04-25 Nick Clifton <nickc@cygnus.com>
4112 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
4113 defined, define to return zero.
4114 (function_cannot_inline_p): If a function has any target
4115 specific attributes, then use the macro
4116 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
4117 whether it can be inlined. If it cannot, issue a suitable
4118 explanation.
4120 * tm.texi: Add a new node 'Inlining' to document the new macro
4121 FUNCTION_ATTRIBUTE_INLINABLE_P.
4123 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
4125 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
4126 commentary.
4128 2000-04-25 Neil Booth <NeilB@earthling.net>
4130 Restore previous patch, plus the following fixes:
4132 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
4133 flags, not CPP_OPEN_PAREN.
4134 * cpplex.c (expand_token_space, init_token_list,
4135 cpp_free_token_list): Put the dummy token at list->tokens[-1].
4136 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
4138 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4140 * config/i386/freebsd.h (INT_ASM_OP): Define.
4142 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
4144 * loop.c (strength_reduce): Fix typo in the last checkin.
4146 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4148 * stor-layout.c (finalize_record_size): Simplify to use existing
4149 functions.
4150 (compute_record_mode): No longer static.
4151 * tree.h (compute_record_mode): New declaration.
4153 2000-04-25 Neil Booth <NeilB@earthling.net>
4155 * Revert my patch below until cause of build failures
4156 determined.
4158 2000-04-25 Richard Henderson <rth@cygnus.com>
4160 * combine.c (combine_instructions): Add missing argument
4161 to try_combine.
4163 * toplev.c (rest_of_compilation): Delay sibcall optimization
4164 until after emit_eh_context.
4166 2000-04-24 Nick Clifton <nickc@redhat.com>
4168 * combine.c (combine_instructions): Do not try to combine a
4169 sequence of insns when the second insn has been replaced by a
4170 note.
4172 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
4174 * gcc.c (load_specs): New static function.
4175 (read_specs): Use it.
4177 * gcc.c (lookup_compiler): Make multiple passes for case
4178 insensitive filesystems.
4180 2000-04-24 Neil Booth <NeilB@earthling.net>
4182 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
4183 * cpphash.h (_cpp_check_directive): new.
4184 * cpplex.c (handle_newline, cpp_free_token_list,
4185 init_trigraph_map, trigraph_ok, trigraph_replace,
4186 backslash_start, skip_block_comment, skip_line_comment,
4187 skip_whitespace, parse_name, parse_number, parse_string,
4188 copy_comment, _cpp_lex_line, spell_char, spell_string,
4189 spell_comment, spell_name, spell_other, _cpp_lex_file,
4190 _cpp_output_list): new.
4191 (expand_name_space): take length argument.
4192 (init_token_list): add comment list initialisation.
4193 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
4194 instead of HSPACE_BEFORE.
4196 * cpplib.c (_cpp_check_directive): new
4197 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
4198 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
4199 (HSPACE_BEFORE): delete.
4200 (TTYPE_TABLE): rearrange.
4201 (struct cpp_toklist): update.
4203 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4205 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
4206 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
4207 argument form of AC_DEFINE.
4209 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
4210 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
4211 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
4212 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
4213 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
4215 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
4217 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4219 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
4220 deduced.h): Use -isystem, not -I, for including system headers.
4222 2000-04-24 Nick Clifton <nickc@cygnus.com>
4224 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
4225 the source register is the frame pointer or arg pointer.
4226 (addsi3_small_int): Disallow if source register is the frame
4227 pointer or arg pointer.
4229 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4231 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
4232 call to AC_MSG_RESULT.
4234 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4236 * invoke.texi: Correct grammatical errors, document
4237 -fno-gnu-keywords as identical to -fno-asm for C++.
4239 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4241 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
4242 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
4243 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
4244 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
4245 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
4247 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
4248 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
4249 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
4250 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
4251 new macros names.
4253 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
4255 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
4256 (pop_alignment): Likewise.
4257 (handle_pragma_token): Likewise.
4259 2000-04-24 Robert Lipe <robertlipe@usa.net>
4261 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
4263 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
4265 * combine.c (try_combine): Update reg_nonzero_bits of
4266 newi2pat before newpat.
4268 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
4270 * loop.c (strength_reduce): Simplify test to INSN_P.
4271 (record_giv): Attempt to simplify the add value, use CONSTANT_P
4272 expressions instead of CONST_INT.
4273 (express_from_1): Likewise.
4275 2000-04-24 Mark Mitchell <mark@codesourcery.com>
4277 * regs.h (reg_n_max): Don't declare.
4278 * flow.c (reg_n_max): Don't define.
4279 * regclass.c (renumber): Don't initialize to zero.
4280 (regno_allocated): Likewise.
4281 (reg_n_max): Define.
4282 (allocate_reg_info): Don't initialize unnecessarily.
4284 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
4286 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
4287 and blockage_p in the newly allocated attribute.
4289 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
4291 * config/mn10300/mn10300.md (addsi): `inc4' on address
4292 registers does not modify cc, but `inc' on an extended
4293 register does.
4295 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
4297 * reload.c (find_equiv_reg): Checks all valueno regs
4298 as a reload_reg_p regs.
4300 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4302 * cpphash.c (collect_objlike_expansion): Add sanity check.
4303 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
4304 the buffer is the empty string, return. Mark __DATE__ and
4305 __TIME__ as XCONST nodes, not MCONST.
4306 (_cpp_macroexpand): Avoid pushing an empty buffer.
4307 (funlike_macroexpand): Don't pop token_buffer here.
4309 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
4311 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
4312 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
4313 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
4314 (REGNO_OK_FOR_BASE_P): Define in terms of them.
4315 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
4316 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
4317 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
4319 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4321 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4322 constant MULT givs.
4324 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4326 * cpphash.h (struct definition): Move file, line, col members...
4327 (struct hashnode): ... here. Also add 'disabled' flag.
4328 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4329 T_IDENTITY. Remove T_DISABLED.
4330 Update prototypes.
4332 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4333 (collect_expansion): Split into collect_objlike_expansion and
4334 collect_funlike_expansion.
4335 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4336 funlike_macroexpand.
4337 (_cpp_compare_defs): Rename compare_defs, make static.
4338 (_cpp_make_hashnode): Initialize hp->disabled.
4339 (macro_cleanup): Adjust for new token types. Clear
4340 m->disabled.
4341 (_cpp_create_definition): Move code here to determine what
4342 sort of macro it is, and code to check for redefinitions, from
4343 do_define. Implement a few simple cases without creating a
4344 full DEFINITION.
4345 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4346 Handle the simple cases.
4347 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4348 here.
4350 * cppinit.c (builtin_array): Change MCONST to XCONST
4351 everywhere.
4352 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4353 fix check for disabled and function-like macros.
4354 * cpplib.c (do_define): Move most logic to
4355 _cpp_create_definition.
4356 (do_undef): Handle new special token types.
4358 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4360 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4361 of CONSTANT_P for mult_val; always use validate_change to update insn.
4363 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4365 * cpphash.c (trad_stringify, add_pat): New functions.
4366 (collect_expansion): Restore support for -traditional syntax.
4367 Use trad_stringify and add_pat.
4368 (_cpp_macroexpand): Restore support for -traditional semantics.
4369 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4370 get a COMMENT token.
4371 (_cpp_lex_token): Provide COMMENT tokens to caller if
4372 traditional and parsing_define_directive.
4373 (skip_comment): Warn about // comments if -Wtraditional.
4374 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4375 proper node type.
4376 (do_undef): Don't warn about undefining EMPTY nodes.
4378 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4380 * loop.c (strength_reduce): Fix biv removal code.
4382 2000-04-22 Richard Henderson <rth@cygnus.com>
4384 * predict.c (estimate_probability): Examine both sides of
4385 a branch for no exits. Use 90% not 50% for predict taken.
4386 Reorg for one copy of note generation code.
4388 2000-04-22 Richard Henderson <rth@cygnus.com>
4390 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4392 2000-04-22 Richard Henderson <rth@cygnus.com>
4394 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4395 (output_clear): Likewise.
4396 (output_printf): Use va_copy.
4397 (vline_wrapper_message_with_location): Likewise.
4398 (v_message_with_decl): Likewise.
4399 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4400 * system.h (va_copy): Provide default implementation.
4402 2000-04-22 Richard Henderson <rth@cygnus.com>
4404 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4405 the collected condition is not a constant.
4407 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4409 * diagnostic.h: New file.
4411 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4413 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4414 various function prototypes.
4415 (diagnostic.h): #include.
4416 (struct output_buffer): Move into diagnostic.h.
4417 (get_output_prefix): Rename to output_get_prefix. Export.
4418 (init_output_buffer): Export. Break out. Ajust intialization.
4419 (output_space_left, output_append): Export.
4420 (output_newline): Rename to output_add_newline. Export.
4421 (output_clear): Nullify additional output_buffer fields.
4422 (output_puts): Rename to output_add_string. Export.
4423 (dump_output): Rename to output_flush_on. Export.
4424 (build_location_prefix): Constify return-type.
4425 (emit_output_prefix): Rename to output_emit_prefix. Export.
4426 (set_real_maximum_length): New function.
4427 (output_set_maximum_length): Ditto
4428 (output_clear): Ditto.
4429 (output_add_character): Ditto.
4430 (output_add_integer): Ditto.
4431 (output_add_space): Ditto.
4432 (output_format): Ditto.
4433 (output_printf): Adjust buffer initialization.
4434 (vline_wrapper_message_with_location): Ditto.
4435 (v_message_with_decl): Ditto. Adjust call to output_puts
4436 and get_output_prefix.
4437 (default_print_error_function): Adjust buffer intialization.
4439 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4441 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4442 of VOID_TYPE.
4444 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4446 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4447 of explicit 0.
4449 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4451 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4452 accurate data about SP moves.
4454 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4456 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4457 aliases to AM33 registers.
4459 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4461 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4462 to all EXTENDED bitmaps.
4464 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4466 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4467 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4468 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4470 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4472 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4473 the operand is not constant.
4475 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4477 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4478 as a call-clobbered regs.
4480 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4482 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4483 * rtl.h: Likewise.
4484 * rtl.def: Update comment.
4485 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4486 * integrate.c (expand_inline_function): Likewise.
4487 * profile.c (branch_prob): Likewise.
4488 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4489 * print-rtl.c (print_rtx): Likewise.
4490 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4491 (reemit_notes): Likewise; also use enum insn_note.
4493 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4494 (place_field): Properly compute know and actual alignment.
4496 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4497 in proper format.
4499 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4500 note for REG1.
4502 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4504 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4505 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4506 (collect_expansion): Rewrite to scan over a token list.
4507 Remove -traditional support.
4508 (collect_formal_parameters): Rename to collect_params; rewrite
4509 to scan over a token list.
4510 (_cpp_create_definition): Adjust to scan a token list.
4511 (_cpp_macroexpand): Remove -traditional support.
4512 (_cpp_compare_defs): Whitespace is now canonicalized.
4513 (comp_def_part): Delete function.
4515 * cpphash.h: Update prototypes.
4516 * cpplex.c (init_token_list): Don't set lineno if there is no
4517 buffer.
4518 (pedantic_whitespace): New function.
4519 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4520 consume a newline. Use pedantic_whitespace.
4521 (_cpp_lex_token): Remove support for -traditional macros.
4522 (_cpp_get_define_token): Delete.
4523 (_cpp_get_directive_token): Do the real work here. Use
4524 pedantic_whitespace.
4525 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4527 * cpplib.c (get_macro_name): Delete.
4528 (do_define): Read the entire line into pfile->directbuf, then
4529 feed the token list to _cpp_create_definition.
4530 * cpplib.h (HSPACE_BEFORE): new define.
4531 (struct cpp_reader): Add a toklist member, "directbuf".
4533 * predict.c (estimate_probability): New heuristic: if a jump
4534 branches around a block with no successors, predict it taken.
4535 Disentangle control flow.
4537 2000-04-20 Richard Henderson <rth@cygnus.com>
4539 * loop.c (emit_iv_add_mult): Revert last change.
4541 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4543 * cpplib.h (enum cpp_ttype): Add token types for all
4544 punctuators. Distinguish pp-numbers from valid C numbers.
4545 Give some tokens better names. Initialize from macro.
4546 (struct cpp_name, cpp_token, cpp_toklist): New data
4547 structures.
4548 Update prototypes.
4549 * cpplex.c (bump_column, expand_name_space,
4550 expand_token_space, init_token_list, cpp_output_list,
4551 _cpp_scan_line): New functions.
4552 (output_line_command): Add third argument, new line number.
4553 * cpphash.h: Update prototypes.
4554 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4555 token names.
4557 2000-04-20 Richard Henderson <rth@cygnus.com>
4559 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4561 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4563 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4564 object pointed to.
4566 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4568 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4569 REG_EQUAL note explaining the calculated value.
4571 * calls.c (expand_call): Avoid unnecesary precalculation
4572 and outgoing parameters space guarding for sibling calls.
4573 (store_one_arg): Likewise.
4575 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4577 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4578 (rest_of_compilation): Write sibling dump file and account
4579 for time as jump time.
4580 * invoke.texi: Update documentation on dump flags.
4582 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4584 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4586 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4588 * cpphash.c (special_symbol): Represent an empty macro with
4589 "\r \r " not just "\r ".
4590 (_cpp_macroexpand): Correct condition for the foo ( ) special
4591 case.
4592 (unsafe_chars): Handle EOF as second argument.
4593 (push_macro_expansion): Simplify test for removing escape at
4594 end. Do not trim both escapes if there is no text in between.
4596 2000-04-19 Jim Blandy <jimb@redhat.com>
4598 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4599 of PTR_SIZE, when appropriate.
4601 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4603 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4604 (USE_ENUM_BITFIELDS): Fix typo.
4606 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4608 * stor-layout.c (place_field): Set rli->offset_align properly.
4610 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4612 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4613 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4614 PARM_BOUNDARY): Remove unnecessary casts.
4616 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4618 * calls.c (precompute_arguments): Remove must_preallocate and
4619 args_size calls.
4620 (expand_call): Update call of precompute_arguments.
4622 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4623 check_insn_for_givs): Break out from ...
4624 (strength_reduce) ... here; use for_every_insn_in_loop to call
4625 check_insn_for_givs.
4626 * loop.h (for_every_insn_in_loop): Declare.
4627 (loop_insn_callback): New type.
4629 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4631 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4632 not nul-terminated.
4634 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4636 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4637 flag_pic and RELOC.
4639 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4641 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4643 * configure.in: Delete --disable-cpplib option and all
4644 references to cpp_main.
4645 * configure: Regenerate.
4646 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4647 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4648 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4649 cpp$(exeext). Add --no-headers to makeinfo command line when
4650 generating INSTALL. Install and uninstall cpp.1 manpage, not
4651 cccp.1.
4652 * install.texi: Delete all references to cexp.y/cexp.c.
4653 Delete ancient instructions for compiling GCC on 3b1.
4654 * INSTALL: Regenerate.
4656 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4657 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4658 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4659 cexp.c/cexp.y.
4660 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4661 which is no longer tested anywhere.
4663 * cppinit.c (handle_option): Don't run error message through
4664 gettext twice.
4666 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4668 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4669 * cpperror.c (hashtab.h): Now include.
4670 * cppexp.c (hashtab.h): Likewise.
4671 * cpplex.c (hashtab.h): Likewise.
4672 * cppfiles.c (hashtab.h): Likewise.
4673 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4674 to htab_find_slot_with_hash.
4675 * cpphash.c (hashtab.h): Now include.
4676 (_cpp_lookup_slot): INSERT is now enum insert_option.
4677 * cpphash.h (_cpp_lookup_slot): Likewise.
4678 * cppinit.c (hashtab.h): Include earlier.
4679 (initialize_builtins): Pass enum to htab_find_slot.
4680 * cpplib.c (hashtab.h): Now include.
4681 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4682 (do_pragma_poison, do_assert): Likewise.
4683 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4684 htab_find_slot_with_hash.
4685 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4686 * tree.c (type_hash_add): Likewise.
4687 (build1): Minor cleanup.
4689 * ggc-common.c: Add missing blanks.
4690 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4691 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4693 * stmt.c (mark_case_node): New function.
4694 (mark_case_nesting): Call it.
4696 * expmed.c (emit_store_flag): If comparing two-word integer
4697 with zero, can optimize NE, EQ, GE, and LT.
4699 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4700 * conflict.c: Minor cleanups.
4701 * optabs.c: Add blank line
4702 * simplify-rtx.c: Minor cleanups.
4704 2000-04-18 Stan Cox <scox@cygnus.com>
4706 * gengenrtl.c (genlegend): Fix misspelling.
4708 2000-04-18 Robert Lipe <robertlipe@usa.net>
4710 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4711 bitfields of the host compiler are not signed quantities.
4712 * config.in: Regenerate.
4713 * configure: Regenerate.
4714 * system.h (USE_ENUM_BITFIELDS): Added.
4715 (ENUM_BITFIELDS): Added.
4716 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4717 (SHORT_ENUM_BUG): Deleted.
4718 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4719 now ENUM_BITFIELD.
4720 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4721 (CODE_FIELD_BUG): Likewise.
4722 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4723 (OLD_CC): Likewise.
4724 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4726 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4728 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4729 mark is active.
4731 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4733 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4734 * cpplib.c (do_include, do_import, do_include_next,
4735 read_line_number, detect_if_not_defined): Likewise.
4736 * cpphash.c (collect_expansion): Likewise.
4737 (special_symbol, _cpp_macroexpand): Check return from
4738 cpp_file_buffer.
4739 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4740 macros. Delete all uses.
4742 * gcc.dg/cpp-mi.c: Add two more test cases.
4743 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4745 2000-04-17 Richard Henderson <rth@cygnus.com>
4747 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4748 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4750 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4752 * function.c (expand_function_start): Use hard_function_value to
4753 compute the RTL to use for DECL_RESULT.
4755 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4757 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4758 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4759 x86_memory_mismatch_stall): New global variables.
4760 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4761 alloved; fix load penalties for Athlon.
4762 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4763 x86_memory_mismatch_stall): Declare.
4764 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4765 TARGET_MEMORY_MISMATCH_STALL): New.
4766 * i386.md (athlon scheduling parameters): Fix latencies according to
4767 Athlon Optimization Manual.
4768 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
4769 vector.
4770 (fsqrt instruction patterns): Set athlon_decode to direct.
4771 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
4772 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
4773 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
4774 and TARGET_PARTIAL_REGISTER_STALL machines.
4775 (pushdf_nointeger): New pattern.
4776 (pushdf_integer): Rename from pushdf.
4777 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
4778 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
4780 2000-04-17 Richard Henderson <rth@cygnus.com>
4782 * loop.c (canonicalize_condition): Add WANT_REG argument.
4783 Stop the search if we match it.
4784 * expr.h (canonicalize_condition): Update decl.
4785 * predict.c (expected_value_to_br_prob): Use it. Track last
4786 expected value note.
4787 (find_expected_value): Remove.
4789 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
4791 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4793 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4794 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
4795 a plain file.
4796 * configure.in: Call AC_FUNC_MMAP_FILE.
4797 * configure: Regenerate.
4798 * config.in: Regenerate.
4800 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
4801 * fixinc/fixincl.c: Likewise.
4803 2000-04-17 Richard Henderson <rth@cygnus.com>
4805 * builtins.c (expand_builtin_expect): New.
4806 (expand_builtin): Call it.
4807 * builtins.def (BUILT_IN_EXPECT): New.
4808 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
4809 * extend.texi: Document it.
4811 * predict.c (expected_value_to_br_prob): New.
4812 (find_expected_value): New.
4813 * basic-block.h (expected_value_to_br_prob): Declare.
4814 * toplev.c (rest_of_compilation): Invoke it.
4816 * rtl.h (NOTE_EXPECTED_VALUE): New.
4817 (NOTE_INSN_EXPECTED_VALUE): New.
4818 * rtl.c (note_insn_name): Update.
4819 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
4820 cases; handle NOTE_INSN_EXPECTED_VALUE.
4822 2000-04-17 Jakub Jelinek <jakub@redhat.com>
4824 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
4825 leaf sibcall delay slot if flag_pic.
4826 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
4828 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4830 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
4832 * fixproto: If fix-header fails, exit with an error.
4834 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4836 * cse.c (struct check_depdendence_data): New.
4837 (check_dependence): New function.
4838 (invalidate): Use check_depdenence.
4840 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4842 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
4843 UNITS_PER_WORD is unsigned.
4845 * tree.h (struct tree_common): Remove misleading comment.
4847 2000-04-16 Dave Pitts <dpitts@cozx.com>
4849 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
4850 message in quotes. Otherwise, IBM's make program treats the '#' as the
4851 start of a comment and ignores the remainder of the line.
4853 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
4854 upper case.
4855 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
4856 * cexp.y (initialize_random_junk): Likewise.
4857 * cppfiles.c (find_include_file): Cast alloca return value.
4858 * cppinit.c (initialize_standard_includes): Likewise.
4859 * cpplib.c (cpp_define, cpp_undef): Likewise.
4860 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
4861 * final.c (output_asm_insn): Allow for holes in EBCDIC.
4862 * fold-const.c (CHARMASK): New.
4863 (real_hex_to_f): Use it.
4864 * real.c (CHARMASK): New.
4865 (etoasc, asctoeg): Use it.
4866 (asctoeg): EBCDIC lower case characters preceed upper case.
4868 * i370.c (mvs_add_label): Change spacing for coding conventions.
4869 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
4870 outputing case vectors.
4871 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
4872 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
4873 since vector in in the data CSECT.
4874 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
4875 * i370.md (Many patterns): Put the length in the XL directives.
4876 (movdi): Put back STM and MVC in definition.
4877 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
4878 pattern using the TCA.
4879 * oe.h (CPP_SPEC): Added to allow trigraphs.
4880 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
4881 not support the "long long" type.
4883 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4885 * config/mips/mips-protos.h (mips_legitimate_address_p): New
4886 function.
4887 (mips_reg_mode_ok_for_base_p): Likewise.
4888 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
4889 (REG_OK_FOR_INDEX_P): Define unconditionally.
4890 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
4891 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
4892 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
4893 that GET_MODE_SIZE is unsigned.
4894 (mips_reg_mode_ok_for_base_p): Define.
4895 (mips_legitimate_address_p): Likewise. Adjust now
4896 that GET_MODE_SIZE is unsigned.
4897 (block_move_loop): Make the number of bytes unsigned.
4898 (expand_block_move): Likewise.
4899 (function_arg): Make the loop counter unsigned to match the
4900 boundary condition.
4902 2000-04-16 Richard Henderson <rth@cygnus.com>
4904 * rtl.h (enum insn_note): New enumeration. Subsume
4905 NOTE_INSN_DELETED and friends.
4906 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
4907 * rtl.c (note_insn_name): Tweak string order.
4909 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
4911 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
4912 to offset * 2.
4914 * cpplex.c (output_line_command): Remove debugging prints.
4915 (cpp_output_tokens): Don't write out a zero-length buffer or
4916 try to see if it has a newline in it.
4917 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
4918 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
4919 the end of the loop. Use memmove. Don't read past the end of
4920 the buffer. Remove trailing newlines from error messages.
4922 2004-04-16 Neil Booth <NeilB@earthling.net>
4924 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
4925 * cpplib.c: Add new syntax flags to directive table, and
4926 supporting macros.
4928 2000-04-15 Ulrich Drepper <drepper@redhat.com>
4930 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
4931 using ret $N.
4933 2000-04-15 David Edelsohn <edelsohn@gnu.org>
4935 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
4936 * haifa-sched.c: Update -fsched-verbose comments to use "=".
4938 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4940 * Makefile.in (ggc-page.o): Now includes toplev.h.
4941 * ggc-page.c (toplev.h): Now included.
4942 (gc_time): Remove declaration.
4943 (ggc_collect): TIME now long.
4944 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
4945 others static.
4946 * toplev.h (gc_time, parse_time, gc_time): New declarations.
4948 * toplev.c: Make *_time variable long to reduce chance of overflow.
4949 (TIMEVAR): Likewise for `otime'.
4950 (print_time): Arg is now long; compute percentage in FP and round.
4951 * toplev.h (print_time): Arg is long.
4953 * tree.c: Minor whitespace changes.
4955 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
4956 * configure: Rebuilt.
4957 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
4958 (__fixunsxfDI): Renamed from __fixunsxfdi.
4959 (__fixunsdfDI): Renamed from __fixunsdfdi.
4960 (__fixunssfDI): Renamed from __fixunssfdi.
4961 (__floatdisf): Use proper type in REP_BIT macro.
4962 (__fixunsxfSI): Renamed from __fixunsxfsi.
4963 (__fixunsdfSI): Renamed from __fixunsdfsi.
4964 (__fixunssfSI): Renamed from __fixunssfsi.
4965 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
4966 Change location of macros and upper-case some names as above.
4967 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
4968 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
4970 * varasm.c (assemble_variable): Add cast to remove warning.
4971 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
4973 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
4974 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
4975 region number to -1.
4977 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
4979 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
4980 call unshare_all_rtl.
4982 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
4984 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
4986 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
4987 Use .s1 not .s0 for all FP instructions.
4989 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
4991 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
4992 interfaces.
4993 (safe_fwrite, output_line_command): New static functions.
4994 (cpp_expand_to_buffer): Now private to cpplib.
4995 (cpp_scan_buffer): Take a printer.
4997 * cpphash.h: Update prototypes.
4998 * cpplib.h: Update prototypes.
4999 (cpp_printer): New.
5000 (cpp_buffer): Remove last_nominal_fname.
5001 (cpp_reader): Remove lineno.
5003 * cppmain.c: Use a cpp_printer.
5004 * fix-header.c: No need to inhibit line commands. Call
5005 cpp_start_read with no printer.
5007 * cpperror.c (cpp_notice_from_errno): Provide default name.
5008 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
5009 (find_include_file, cpp_read_file): Use make_IHASH.
5010 (file_cleanup): Set control_macro and clear
5011 input_stack_listing_current here.
5012 (_cpp_execute_include): Don't output entering-file marker.
5013 * cpphash.c (special_symbol): Look for the line number in the
5014 buffer, not the reader.
5015 (_cpp_macroexpand): No need to disable line commands.
5016 (_cpp_dump_definition): No need to generate line commands.
5017 (dump_hash_helper): Remove excess newline from output.
5018 * cppinit.c (dump_special_to_buffer): No need to generate line
5019 commands.
5020 (cpp_printer_init): New.
5021 (cpp_start_read): Take a printer, and start it up if it's not
5022 NULL. No need to generate line commands.
5023 (cpp_finish): Expect no buffers stacked at all. Take a
5024 printer argument, and flush the output buffer if it's not
5025 NULL.
5026 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
5027 Don't put two hashes at the beginning of an assertion.
5028 (cpp_get_token): Don't increment pfile->lineno or emit line
5029 commands here. Return EOF if there's no buffer when we get
5030 EOF.
5031 * cpplib.c (do_define, skip_if_group):
5032 No need to disable line commands.
5033 (_cpp_output_line_command): Delete function.
5034 (do_line): Don't emit line commands here, but set things up so
5035 they will be emitted if necessary. Use _cpp_fake_ihash to
5036 make unique nominal_fnames if necessary.
5037 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
5038 with 0 for column, not -1.
5039 (_cpp_handle_eof): Don't set the control macro here. Don't
5040 clear input_stack_listing_current here. Don't emit line
5041 commands.
5043 2000-04-14 Geoff Keating <geoffk@cygnus.com>
5045 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
5046 always, use the default SVR4 start address.
5048 * config/rs6000/linux.h (LINK_SPEC): Don't define.
5049 (LINK_SHLIB_SPEC): Define.
5050 (LINK_START_DEFAULT_SPEC): Define.
5051 (LINK_OS_DEFAULT_SPEC): Define.
5053 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
5055 * config/rs6000/eabi.asm (__eabi): Call __init rather than
5056 __do_global_ctors to handle constructors.
5057 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
5058 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
5059 (STARTFILE_MVME_SPEC): Likewise.
5060 (STARTFILE_SIM_SPEC): Likewise.
5061 (ENDFILE_ADS_SPEC): Use crtend.
5062 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
5063 (ENDFILE_MVME_SPEC): Likewise.
5064 (ENDFILE_SIM_SPEC): Likewise.
5065 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
5066 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
5067 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
5068 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
5069 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
5070 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
5071 (CRTSTUFF_T_CFLAGS_S): Define.
5072 * config/rs6000/eabi-ctors.c: Delete.
5074 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
5075 boundary.
5076 (__fini): Likewise.
5077 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
5078 boundary.
5079 (__fini): Likewise.
5081 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
5083 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
5084 plus mask size is smaller or equal to the mode size.
5086 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5088 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
5089 not yet set.
5091 * expr.c (reload.h): Now included.
5092 (emit_block_move): Set volatile_ok when checking for movstr.
5093 (emit_move_1): Check for replacements in addresses in multi-word case.
5094 * Makefile.in (expr.o): Now includes reload.h.
5096 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
5097 Never have a LIBCALL end a basic block.
5098 (find_basic_blocks_1): Likewise.
5099 Reorganize CALL_INSN cases.
5101 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
5103 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
5105 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
5106 completers from mov.ret instruction.
5108 2000-04-14 Richard Henderson <rth@cygnus.com>
5110 * fold-const.c (extract_muldiv): Don't distribute and widen
5111 multiply across plus for non-sizetype unsigned types.
5113 2000-04-14 Richard Henderson <rth@cygnus.com>
5115 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
5116 If the original source is dead in the incr insn, it's dead now.
5118 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5120 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
5121 see if DECL_BIT_FIELD needs to still be set.
5123 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
5125 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
5126 print_int_cst_octal with something that's not an INTEGER_CST.
5128 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
5129 and not a SUBREG to a FLOAT rtl.
5131 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
5133 * emit-rtl.c (try_split): Avoid infinite loop if the split
5134 results in a sequence that contains the original insn.
5136 2000-04-13 Andreas Jaeger <aj@suse.de>
5138 * config/mips/mips.c (expand_block_move): Pass alignment
5139 argument to move_by_pieces in bits, not bytes.
5141 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
5142 __pic__ for little endian.
5144 2000-04-13 Andreas Jaeger <aj@suse.de>
5146 * config/i386/i386-protos.h: Add prototype for
5147 uno_comparison_operator.
5149 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5151 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
5152 * calls.c (ECF_PURE): New flag.
5153 (emit_call_1): Handle ECF_PURE calls.
5154 (initialize_argument_information): Unset ECF_PURE flag too.
5155 (precompute_arguments): Precompute for ECF_PURE too.
5156 (expand_call): Handle ECF_PURE calls too.
5157 (emit_library_call_value_1): Rename no_queue argument to fn_type,
5158 accept value of 2 as pure function.
5159 (emit_library_call_value, emit_library_call): Rename no_queue argument
5160 to fn_type.
5161 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
5163 * tree.h (DECL_IS_PURE): New macro.
5164 (struct tree_decl): Add pure_flag.
5165 * c-common.c (enum attrs): Add attribute "pure".
5166 (init_attributes): Initialize attribute "pure"
5167 (decl_attributes): Handle attribute "pure".
5168 * extend.texi (Attribute "pure"): Document.
5169 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
5170 in pure function.
5171 (flags_from_decl_or_type): Support attribute "pure".
5173 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
5175 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
5176 the token except for numbers and identifiers.
5178 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
5180 * i386.c (ix86_expand_binary_operator,
5181 ix86_expand_unary_operator): Check no_new_pseudos
5182 instead of reload_in_progress and reload_completed.
5183 (ix86_split_ashldi, ix86_split_ashrdi,
5184 ix86_split_lshrdi): Check no_new_pseudos instead
5185 of reload_completed.
5187 2000-04-12 Jeffrey A Law (law@cygnus.com)
5189 * function.c (purge_addressof): Unshare any shared rtl created by
5190 purge_addressof and its children.
5192 2000-04-12 Mark Mitchell <mark@codesourcery.com>
5194 * function.c (aggregate_value_p): VOID_TYPE nodes are never
5195 aggregates.
5197 2000-04-05 Andreas Jaeger <aj@suse.de>
5199 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
5200 not compiling PIC code, add flags for mabi=64.
5201 (SUBTARGET_CPP_SIZE_SPEC): New.
5202 (SUBTARGET_CPP_SPEC): New.
5203 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
5204 for MIPS/Linux and lots of code needs these defines.
5206 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
5208 * reorg.c (fill_slots_from_thread): Check side_effects_p when
5209 trying the "opposite arithmetic" approach.
5211 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5213 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
5214 (struct sh_args): Add new field force_mem.
5215 (INIT_CUMULATIVE_ARGS): Initialize it.
5216 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
5218 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5220 * calls.c (expand_call): Do not reverse args in "equal from" field.
5221 (emit_library_call_value_1): Emit_libcall_block for const and pure
5222 function.
5224 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5226 * reload1.c (reload_combine): Don't enable optimization for fixed
5227 registers when encountering a BARRIER.
5229 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
5231 * builtins.c (expand_builtin_memcmp): Do expansion even with
5232 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
5234 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
5235 stack is propertly aligned; add sanity checking for aligned
5236 stack pointer.
5237 (expand_library_call_value_1): Add sanity checking for aligned
5238 stack pointer.
5240 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
5242 * calls.c (emit_library_call_value_1): Change 3rd arg to
5243 locate_and_pad_parm to disregard the setting of partial.
5245 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5247 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
5249 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
5250 CALL_INSN from the normal case.
5252 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
5254 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5255 New global variables.
5256 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
5257 adjustment.
5258 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5259 Declare,
5260 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
5261 TARGET_ADD_ESP_8): New macros.
5262 * i386.md: Add peep2s to convert esp adjustments to push and pop
5263 instructions.
5264 (pushsi_prologue, popsi_epilogue): New patterns.
5266 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5268 * real.c (toe64): Remove stale #endif from the last change.
5270 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
5272 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
5273 * real.c (toe64): Revert previous change.
5275 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5277 * objc/objc-act.c: Include ggc.h.
5278 (objc_tree_index, objc_global_trees): Convert most of the
5279 static tree variables into a static array with previous names
5280 as defines.
5281 (objc_ellipsis_node): New variable.
5282 (lang_init): Call objc_act_parse_init and c_parse_init.
5283 Create objc_ellipsis_node.
5284 (build_selector_translation_table): Use objc_ellipsis_node instead
5285 of (tree)1.
5286 (hack_method_prototype): Likewise.
5287 (get_arg_type_list): Likewise.
5288 (start_method_def): Likewise.
5289 (continue_method_def): Likewise.
5290 (gen_method_decl): Likewise.
5291 (ggc_mark_imp_list): New function.
5292 (ggc_mark_hash_table): New function.
5293 (objc_act_parse_init): New function.
5294 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
5295 * c-parse.in (c_parse_init): For objc add roots of objc specific
5296 local tree variables.
5297 * objc/objc-parse.y: Rebuilt.
5298 * objc/objc-parse.c: Rebuilt.
5299 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
5301 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
5303 * cse.c (delete_trivially_dead_insns): Also delete insns
5304 that copy a register to itself where the destination is
5305 a strict_low_part.
5307 2000-04-11 Richard Henderson <rth@cygnus.com>
5309 * flow.c (struct propagate_block_info): Add new_dead, new_live.
5310 (propagate_block): Initialize them. Use them in parallel instead
5311 of one tmp variable, ie revert much of the 0408 and 0407 functional
5312 changes, but keep the structural changes.
5313 (mark_set_regs): Take new_dead from propagate_block_info instead.
5314 (mark_set_1, mark_set_reg): Likewise.
5315 (mark_used_regs): Likewise with new_live.
5316 (mark_used_reg): Likewise. Revert 0408 change.
5318 2000-04-11 Nick Clifton <nickc@cygnus.com>
5320 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
5321 restriction.
5322 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5324 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5326 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5327 const section to output a CONSTRUCTOR based on the same conditions
5328 used for VAR_DECLs.
5330 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5332 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5333 * pa/pa-protos.h (output_call): Add additional argument indicating
5334 if the call is a sibling/tail call.
5335 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5336 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5337 (function_arg, function_arg_partial_nregs): Likewise
5338 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5339 (emit_move_sequence): Zero extend certain constants as needed
5340 for TARGET_64BIT.
5341 (compute_zdepdi_operands, output_64bit_and): New functions.
5342 (output_64bit_ior, function_arg): Likewise.
5343 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5344 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5345 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5346 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5347 (output_bvb): Likewise.
5348 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5349 (output_call): New argument 'sibcall'. Generate sibcall sequences
5350 as needed.
5351 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5352 (ouput_arg_descriptor): Do not emit argument descriptors for
5353 TARGET_64BIT.
5354 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5355 defined.
5356 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5357 (FUNCTION_OK_FOR_SIBALL): Define.
5358 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5359 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5360 (CPP_SPEC): Use new spec infrastructure.
5361 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5362 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5363 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5364 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5365 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5366 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5367 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5368 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5369 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5370 (FUNCTION_ARG); Call out to C code.
5371 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5372 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5373 (MIN_UNITS_PER_WORD): Likewise.
5374 * pa/pa.md (cmpdi): New expander.
5375 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5376 (64bit conditional arithmetic): New patterns.
5377 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5378 (movsicc): Not available if modes on all the operands to not match.
5379 (movdicc): New expander and associated patterns.
5380 (64bit branches): New patterns.
5381 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5382 (pre_ldd, post_std): New patterns.
5383 (64bit addil, load low part): New patterns.
5384 (special movsf constant): Not available for TARGET_64BIT.
5385 (movsf, movdf expanders): Force constants into memory.
5386 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5387 (64bit movdf/movdi patterns): New patterns.
5388 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5389 for TARGET_64BIT.
5390 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5391 (adddi3 expander): Allow "arith_operand" for second input.
5392 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5393 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5394 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5395 (muldi3): New expander for TARGET_64BIT.
5396 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5397 for TARGET_64BIT.
5398 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5399 patterns for TARGET_64BIT.
5400 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5401 patterns for TARGET_64BIT.
5402 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5403 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5404 (sibcall_epilogue): New expander.
5405 (casesi): Tweak for TARGET_64BIT.
5406 (call expanders): Set & use the outgoing argument pointer. Use the
5407 64bit call patterns as needed. Add additional arg to output_call.
5408 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5409 (sibcall, sibcall_internal_symref): New expanders.
5410 (sibcall_value, sibcall_value_internal_symref
5411 (interspace_jump): Turn into an expander + matching patterns.
5412 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5413 * pa/pa64-regs.h: Eliminate trigraph sequences.
5414 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5416 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5418 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5419 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5420 cpp_token with cpp_ttype everywhere.
5421 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5422 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5423 CPP_BUF_COL. Line and column numbers are unsigned int, not
5424 long.
5425 * cpplex.c (cpp_buf_line_and_col): Delete.
5426 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5427 'long lineno' to 'unsigned int lineno'.
5428 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5430 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5432 * extend.texi: ISO C99 is not a draft anymore.
5433 * invoke.texi: ISO C++ is not a draft anymore.
5434 * cpp.texi: __cplusplus is required by the ISO standard.
5436 * extend.texi (-fthis-is-variable): Undocument.
5437 * flags.h (warn_template_debugging): Remove declaration.
5438 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5439 -Wenum-clash, -Wtemplate-debugging): Undocument.
5441 2000-04-10 Nick Clifton <nickc@cygnus.com>
5443 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5444 integer.
5445 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5446 integer.
5447 (ARM_SIGN_EXTEND): Use HOST_UINT.
5448 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5449 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5450 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5451 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5453 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5454 (arm_gen_constant): Use HOST_UINT.
5455 (arm_canonicalize_constant): Use HOST_UINT.
5456 (arm_reload_in_hi): Use HOST_UINT.
5457 (arm_reload_out_hi): Use HOST_UINT.
5458 (output_multi_immediate): Use HOST_UINT.
5459 (int_log2): Use HOST_UINT.
5460 (arm_poke_function_name): Use HOST_UINT.
5461 (arm_output_epilogue): Use arm_volatile_func().
5462 (output_thumb_prologue): Use arm_strip_name_encoding().
5464 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5466 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5467 of sequence point problems.
5469 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5471 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5472 Recomment.
5473 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5475 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5477 * sbitmap.h: Whitespace changes and use upper-case macro args.
5478 (struct simple_bitmap_def): All sizes now unsigned.
5479 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5480 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5481 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5482 (sbitmap_zero): Cast bzero arg to PTR.
5483 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5484 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5485 loop to make structure clearer.
5486 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5487 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5488 (sbitmap_a_and_b_or_c): Likewise.
5489 (sbitmap_intersection_of_succs): Minor cleanups.
5490 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5491 (sbitmap_union_of_preds): Likewise.
5492 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5493 (debug_sbitmap): New function.
5495 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5496 * c-typeck.c (convert_for_assignment): Likewise.
5498 * expmed.c (init_expmed): Don't free objects we make.
5499 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5501 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5502 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5504 * gcse.c (expr_hash_table_size): Now unsigned.
5505 (compute_ae_gen): Local variable `i' now unsigned.
5506 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5507 (compute_transout, hoist_code): Likewise.
5508 (compute_local_properties): Likewise, also hash_table_size.
5509 (alloc_expr_hash_table): N_INSNS now unsigned.
5510 (delete_null_pointer_checks): Mark arg F as unused.
5512 * regrename.c: Minor cleanups, including chang some variables
5513 to unsigned int.
5515 2000-04-10 Neil Booth <NeilB@earthling.net>
5517 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5518 than GETC ().
5519 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5521 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5523 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5524 __classof__, and __headof__ from the list of gnu keywords.
5525 (-ansi): Remove -foperator-names from list of implied options.
5526 Do not call it ANSI C++.
5527 (-foperator-names): Document as -fno-operator-names.
5529 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5531 * cpphash.c (timestamp): Delete.
5532 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5533 (special_symbol): Remove unnecessary braces. Remove
5534 T_VERSION. Treat T_STDC like T_CONST unless
5535 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5536 when one is encountered, then convert them into T_MCONST
5537 nodes.
5538 * cppinit.c (builtin_array): version_string is T_MCONST.
5539 __STDC__ has a "1" in its cpval. Don't have a terminator
5540 entry. Clean up which entries are dumped.
5541 (initialize_builtins): Only __STDC__ gets the special
5542 -traditional treatment. Count the length of builtin_array.
5543 Render version_string here.
5544 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5545 * cpplib.h (struct cpp_reader): Remove timebuf.
5547 2000-04-09 Richard Henderson <rth@cygnus.com>
5549 * genrecog.c (pred): Update comparison_operator for the unordered
5550 operators.
5552 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5553 operators.
5554 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5555 (uno_comparison_operator): New.
5556 (put_condition_code): Handle UNORDERED/ORDERED.
5557 (unsigned_comparison): Likewise.
5558 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5559 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5560 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5561 update all callers. Handle all 8 unordered operators.
5562 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5563 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5564 * config/i386/i386.h (PREDICATE_CODES): Update.
5565 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5566 (ix86_expand_branch, ix86_expand_setcc): Update.
5567 * config/i386/i386.md (sunordered, sordered): New.
5568 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5569 (bunordered, bordered): New.
5570 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5571 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5572 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5574 2000-04-09 Philip Blundell <philb@gnu.org>
5576 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5578 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5580 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5581 fix_truncxfhi2): New patterns.
5582 * i386.c (output_fix_trunc): Handle converting to HImode.
5584 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5586 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5587 life_analysis.
5588 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5589 (for_each_successor_phi): Change parameter to basic_block.
5590 (coalesce_regs_in_successor_phi_nodes): Likewise.
5591 (coalesce_regs_in_copies): Likewise.
5592 (compute_coalesced_reg_partition): Use basic_block instead of index.
5593 * rtl.h (convert_to_ssa): Delete.
5594 (convert_from_ssa): Likewise.
5595 (successor_phi_fn): Likewise.
5596 (for_each_successor_phi): Likewise.
5597 (in_ssa_form): Likewise.
5598 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5599 (convert_from_ssa): Likewise.
5600 (successor_phi_fn): Likewise.
5601 (in_ssa_form): Likewise.
5602 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5603 * flow.c (calculate_global_regs_live): Pass a basic_block to
5604 for_each_successor_phi.
5606 2000-04-08 Richard Henderson <rth@cygnus.com>
5608 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5609 was modified in the current insn.
5611 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5613 * arm/thumb.md: Delete.
5614 * arm/thumb-protos.h: Delete.
5616 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5618 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5620 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5622 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5623 into branch.
5625 * arm.md (nop): Use the standard RTL expression. Don't code as a
5626 define_expand.
5627 (*arm_nop, *thumb_nop): Delete.
5629 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5630 constants. Use casts instead.
5631 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5632 output_multi_immediate, arm_poke_function_name): Likewise.
5633 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5634 MASK_RETURN_ADDDR): Likewise.
5636 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5638 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5639 into branch.
5641 * arm.md (eh_epilogue): New function.
5642 * arm.h (struct machine_function): Move to here ...
5643 * arm.c: ... from here.
5644 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5645 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5646 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5648 2000-03-30 Nick Clifton <nickc@cygnus.com>
5650 * config/arm/semi.h (ASM_SPEC): Restore definition.
5651 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5653 * config/arm/elf.h (ASM_SPEC): Restore definition.
5654 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5656 * config/arm/arm.h (ASM_SPEC): Remove definition.
5657 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5659 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5661 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5663 2000-03-24 Nick Clifton <nickc@cygnus.com>
5665 Various formating tidyups, elimination of compile time
5666 warnings and synchronisation with internal sources:
5668 * config/arm/arm-protos.h (assemble_align): Add prototype.
5669 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5670 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5671 (arm_return_addr_rtx): Rename to arm_return_addr.
5673 * config/arm/arm.c: Include except.h.
5674 Define shorter typenames for strict minipool_node and struct
5675 minipool_fix.
5676 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5677 in memory.
5678 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5679 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5681 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5682 already defined.
5683 (ASM_SPEC): Define if not already defined.
5684 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5686 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5687 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5688 arm_gen_compare_reg.
5689 (indirect_jump): Only accept register operands.
5690 (load_indirect_jump): Keep this pattern since combine can generate
5691 it.
5693 * config/arm/coff.h: Include aout.h.
5694 (MULTILIB_DEFAULTS): Only define if not already defined.
5696 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5697 into arm.h (so that COFF ports can support thumb based aliases).
5698 (ASM_SPEC): Move definition into arm.h
5700 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5701 redundant apcs spec.
5702 (ASM_SPEC): Move definition to arm.h
5704 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5706 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5707 for entries in the .bss section
5709 2000-03-23 Nick Clifton <nickc@cygnus.com>
5711 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5712 to thumb_far_jump_used_p.
5714 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5715 single integer parameter.
5717 * config/arm/arm.c (struct machine_function): Add two new
5718 fields, 'far_jump_used' and 'arg_pointer_live'.
5719 (thumb_far_jump_used_p): Once the decision has been made that
5720 far jumps might be used, always return true.
5721 If being called from the initial elimination offset macro then
5722 do not bother to perform the test if the arg pointer is not
5723 being used.
5724 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5725 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5727 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5729 * arm.c (output_return_instruction): Handle more cases where we can
5730 return from a function with an ldr instruction.
5731 (arm_output_epilogue): Likewise.
5733 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5734 if we need to push a large stack frame and there are no callee-saved
5735 registers.
5737 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5738 in ARM code if the frame pointer has been eliminated.
5740 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5741 unspec_volatile arguments to avoid duplicates.
5742 (consttable_1, consttable_2): Fixes for big-endian mode.
5744 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5745 as appropriate.
5747 Re-write constant pool code.
5748 * arm.c (minipool_node, minipool_fix): New types.
5749 (minifix): Delete type.
5750 (arm_add_minipool_constant): Delete.
5751 (arm_compute_minipool_offsets, arm_find_barrier,
5752 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5753 (get_jump_table_size): Now returns HOST_WIDE_INT.
5754 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5755 functions.
5756 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5757 (assign_minipool_offsets, arm_print_value): Likewise.
5758 (dump_minipool): Rewrite.
5759 (arm_barrier_cost): New function.
5760 (create_fix_barrier): New function.
5761 (push_minipool_barrier): New function.
5762 (push_minipool_fix): Record additional information about the fixup
5763 required.
5764 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5765 check the mode of what needs fixing.
5766 (arm_reorg): Rewrite.
5768 2000-03-08 Nick Clifton <nickc@cygnus.com>
5770 * config/arm/arm.md (indirect_jump): Force constant addresses into
5771 a register.
5773 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
5775 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
5777 2000-02-24 Nick Clifton <nickc@cygnus.com>
5779 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
5780 adjust is word aligned.
5781 (thumb_expand_epilogue): Make sure that stack adjust is word
5782 aligned.
5784 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
5786 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
5788 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
5789 pointer relative addresses.
5791 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
5793 * arm.c (find_barrier): Find the last barrier within the allowed
5794 range.
5796 2000-02-09 Nick Clifton <nickc@cygnus.com>
5798 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
5800 2000-02-09 Nick Clifton <nickc@cygnus.com>
5802 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
5803 ARM_FUNCTION_PROFILER.
5805 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
5806 ARM_FUNCTION_PROFILER.
5808 * config/arm/linux-oldld.h: Imported from mainline sources.
5810 2000-02-07 Nick Clifton <nickc@cygnus.com>
5812 * config/arm/lib1funcs.asm: Merge in thumb functions from
5813 lib1thumb.asm.
5815 * config/arm/lib1thumb.asm: Delete.
5817 2000-02-04 Nick Clifton <nickc@cygnus.com>
5819 * config/arm/arm.c: Sychronised with current Red hat local
5820 sources.
5821 * config/arm/arm.h: Ditto.
5822 * config/arm/arm-protos.h: Ditto.
5824 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
5826 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
5828 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
5829 byte stores.
5831 2000-02-02 Nick Clifton <nickc@cygnus.com>
5833 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
5835 * config/arm/arm.md (epilogue): Fix rtl checking abort because
5836 (return) was emited using an emit_insn() call.
5838 2000-01-31 Nick Clifton <nickc@cygnus.com>
5840 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
5841 thumb stack frame.
5842 (thumb_exit): Move frame pointer back into hard frame pointer
5843 register if backtracing is being used.
5845 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
5847 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
5848 into branch.
5850 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
5852 * config/arm/arm.md (neg_pool_offset): Provide default for new
5853 attribute.
5854 (arm_movsi_insn): Add neg_pool_offset attribute.
5855 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
5856 rtx for the insn that starts the scan and an unsigned long for its
5857 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
5858 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
5859 instructions in *PINSERTED.
5860 (struct minipool_fixup): Add MIN_ADDRESS elt.
5861 (sort_fixups): Compute it.
5862 (arm_reorg): Changes to support inserting pools before the insn to be
5863 fixed up.
5865 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5867 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
5868 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
5869 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
5871 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
5873 * config/arm/semi.h (TARGET_VERSION): Do not define if already
5874 defined.
5875 (TARGET_DEFAULT): Do not define if already defined.
5877 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
5879 * config/arm/arm.md (anddi3): Allow disjoint source operands.
5880 (iordi3): Allow disjoint source operands.
5881 (xordi3): Allow disjoint source operands.
5882 (negdi2): Permit construction for ARM and Thumb.
5883 (arm_negdi2): Renamed version of old negdi2 pattern.
5884 (thumb_negdi2): New pattern: Only permit non-overlapping
5885 source and destination.
5887 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
5889 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
5890 scratch low register so that it will not be deleted.
5892 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
5894 * config/arm/pe.h (ARM_PE): Define.
5896 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
5897 interfacearm attribute if this is a PE toolchain.
5898 (output_return_instruction): Do not emit anything if the function
5899 has the naked attribute set.
5900 (is_called_in_ARM_mode): If the function has the interfacearm
5901 attribute then return true.
5902 (thumb_expand_prologue): Do not generate a prologue for naked
5903 functions.
5904 (thumb_expand_epilogue): Do not generate an epilogie for a naked
5905 function.
5906 (output_thumb_prologue): Do not bother if the function is naked.
5907 Strip PE encoding from function name before emitting.
5909 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
5911 * arm.md (pic_load_addr): Fix constraints.
5913 * arm.md (casesi_insn): Fix mis-applied patch.
5915 * arm.md ("core" function unit): Add rules for single- and
5916 multi-cycle insns.
5917 (All TARGET_THUMB patterns): Add "type" attribute information
5918 where needed.
5919 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
5920 the following insn is a CALL.
5922 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
5923 pointer.
5924 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
5925 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
5926 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
5928 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
5930 * config/arm/linux-gas.h: oops - this file was missed out when the
5931 branch was created...
5933 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
5935 * thumb.c: Deleted. Move contents to ...
5936 * arm.c: ... here.
5937 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
5938 rule for thumb.o
5939 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
5940 * configure: Regen.
5942 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
5943 declare a prototype for asm_output_align();
5945 * arm.c (thumb_condition_code): Delete.
5946 (arm_print_operand): Always use arm_condition_code array.
5948 * arm.c (thumb_return_addr_rtx): Delete.
5949 (arm_save_machine_status, arm_restore_machine_status): Delete.
5950 (arm_init_machine_status, arm_mark_machine_status): New functions.
5951 (arm_init_expanders): Update accordingly.
5952 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
5953 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
5954 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
5956 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
5958 * configure.in : Fix arm-*-aout target to use new t-arm-aout
5959 script.
5960 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
5961 targets.
5963 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
5965 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
5966 stack backtrace structure.
5968 * config/arm/arm-protos.h: Add prototypes for functions defined in
5969 arm/pe.h.
5971 * config/arm/arm.c (arm_override_options): Fix selection of
5972 attributes of default processor.
5974 * config/arm/coff.h: Delete needless #include.
5976 * config/arm/pe.c: Delete unused code.
5978 * config/arm/pe.h (CPP_DEFINES): Delete
5979 (SUBTARGET_CPP_SPEC): Define.
5980 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
5982 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
5984 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
5986 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
5987 updated.
5988 (CAN_DEBUG_WITHOUT_FP): Define.
5989 (FIXED_REGISTERS): Make r11 call-saved.
5990 (CALL_USED_REGISTERS): Likewise.
5991 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
5992 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
5993 frame-pointer is required.
5994 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
5995 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
5996 if the target normally needs a stack frame in non-leaf functions.
5997 (use_return_insn): Correct logic for determining when a return
5998 instruction can be used.
5999 (output_return_instruction): Handle the frame-pointer register as
6000 a normal register when not TARGET_APCS_FRAME.
6001 (arm_output_prologue): Likewise.
6002 (arm_output_epilogue): Likewise.
6003 (output_func_epilogue): Likewise.
6004 (arm_expand_prologue): Likewise.
6005 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
6007 * arm.c (use_return_insn): No need to check floating point regs if
6008 TARGET_SOFT_FLOAT.
6009 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
6010 the code of value stored in the minipool array.
6011 (arm_add_minipool_constant): Likewise.
6013 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6015 * basic-block.h (conflict_graph_enum_fn): K&R fix.
6017 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6019 * tree.c (tree_expr_nonnegative_p): New function.
6021 * tree.h (tree_expr_nonnegative_p): Declare.
6023 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
6024 elide some sign_compare warnings.
6025 (build_conditional_expr): Likewise.
6027 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
6029 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
6031 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
6032 * i386.c (print_operand): Use the proper suffix for a 387 HImode
6033 operand. Abort if a 387 operand has an unsupported size.
6035 2000-04-08 Neil Booth <NeilB@earthling.net>
6037 * cppexp.c (parse_charconst): Null does not end character
6038 constants.
6039 * cppinit.c (ISTABLE): Null character handled as whitespace.
6040 * cpplex.c (null_warning): new function.
6041 (skip_string): Emit warning if nulls encountered.
6042 (_cpp_skip_hspace): Emit warning if nulls encountered.
6043 (_cpp_lex_token): Emit warning if nulls encountered. Drop
6044 them.
6045 * cpp.texi: Update.
6047 2000-04-07 Richard Henderson <rth@cygnus.com>
6049 * flow.c (loop_depth): Remove.
6050 (reg_next_use, cc0_live, mem_set_list): Replace with ...
6051 (struct propagate_block_info): New.
6052 (life_analysis): Don't allocate reg_next_use.
6053 (propagate_block_delete_insn): Break out of propagate_block.
6054 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
6055 (propagate_block_delete_libcall): Likewise.
6056 (propagate_block): Create a propagate_block_info struct to pass
6057 to subroutines. Allocate one not two temporary regsets. Don't
6058 clobber memory for const calls. Look for clobbers in
6059 CALL_INSN_FUNCTION_USAGE.
6060 (mark_set_regs): Recognize COND_EXEC.
6061 (mark_set_reg): Break out of mark_set_1.
6062 (mark_used_reg): Break out of mark_used_regs.
6063 (mark_used_regs): Recognize COND_EXEC.
6064 (insn_dead_p): Use propagate_block_info struct.
6065 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
6066 (find_auto_inc, try_pre_increment_1): Likewise.
6067 (print_rtl_with_bb): Dump regs live at end too.
6068 (count_reg_sets_1): Pass in loop_depth.
6069 (count_reg_sets, count_reg_references): Likewise.
6070 (recompute_reg_usage): Provide it.
6072 2000-04-07 Richard Henderson <rth@cygnus.com>
6074 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
6075 not the raw files.
6077 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
6079 * cpplib.c (do_elif): Skip the rest of the line if we're
6080 not going to bother evaluating it.
6081 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
6082 to avoid pointless calls to the lexer.
6084 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
6086 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
6088 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
6090 * calls.c (expand_call): emit_queue if we're trying a sibcall.
6092 2000-04-07 Jakub Jelinek <jakub@redhat.com>
6094 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
6096 2000-04-06 Geoff Keating <geoffk@cygnus.com>
6098 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
6099 crtend so they can be multilibbed.
6100 (STAGESTUFF): Remove s-crt and s-crtS.
6102 2000-04-07 Richard Henderson <rth@cygnus.com>
6104 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
6105 if we discover we need a pseudo and no_new_pseudos is true.
6106 * config/alpha/alpha.md (ne:DI insn): New.
6107 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
6109 2000-04-07 Richard Henderson <rth@cygnus.com>
6111 * rtl.def (COND_EXEC): New.
6112 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
6113 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
6115 * genconfig.c (have_cond_arith_flag): Remove.
6116 (have_cond_exec_flag): New.
6117 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
6118 (main): Print HAVE_conditional_execution.
6120 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
6121 (sched_analyze_insn, print_pattern): Likewise.
6122 * reload.c (find_equiv_reg): Likewise.
6123 * rtlanal.c (reg_referenced_p): Likewise.
6124 (note_stores, dead_or_set_regno_p): Likewise.
6125 (reg_overlap_mentioned_p): Rewrite to use a switch.
6127 * ggc.h (struct rtx_def): Forward declare.
6129 * print-rtl.c (debug_rtx_range): New.
6130 * rtl.h (debug_rtx_range): Declare.
6132 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
6134 * gcse.c (gcse_main): Don't rebuild the CFG here.
6135 (delete_null_pointer_checks): Likewise.
6136 * ssa.c (convert_to_ssa): Likewise.
6137 * toplev.c (rest_of_compilation): Do it here instead. Combine
6138 sequential calls to TIMEVAR. Consistently use `insns' instead of
6139 `get_insns()'. Always split insns after reload when optimizing.
6141 * basic-block.h (merge_blocks_nomove): Declare.
6142 (tidy_fallthru_edge): Declare.
6143 * flow.c (merge_blocks_nomove): Document as merging into previous
6144 blocks. Remove cruft from between blocks; remove all edges out of A.
6145 (tidy_fallthru_edge): Export.
6147 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6149 * ssa.c (compute_conservative_reg_partition): Declare with
6150 void arguments.
6151 * toplev.c (clean_dump_file): Remove previously-deleted function
6152 inadvertantly merged back in.
6153 * conflict.c (conflict_graph_add): Use a single call to
6154 htab_find_slot to look up and insert.
6156 2000-04-06 Richard Henderson <rth@cygnus.com>
6158 * genrecog.c (*): Rename _last_insn to last_insn.
6159 (make_insn_sequence): Set the position of the peephole2 C test
6160 to be at the last insn.
6162 2000-04-06 Richard Henderson <rth@cygnus.com>
6164 * flow.c (compute_flow_dominators): Free worklist.
6166 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
6168 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
6170 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6172 * rtl.h (INSN_P): New macro.
6173 (successor_phi_fn): New typedef.
6174 (for_each_successor_phi): New prototype.
6175 (in_ssa_form): New variable.
6176 (PHI_NODE_P): Likewise.
6177 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
6178 phi nodes in successors.
6179 (mark_used_regs): Add PHI case.
6180 (set_phi_alternative_reg): New function.
6181 (life_analysis): Assert that dead code elimination is not selected
6182 when in SSA form.
6183 * toplev.c (to_ssa_time): New variable.
6184 (from_ssa_time): Likewise.
6185 (compile_file): Zero to_ssa_time and from_ssa_time.
6186 Print time to convert to and from SSA.
6187 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
6188 (print_time): Compute percent fraction as integer.
6189 * ssa.c (PHI_NODE_P): Moved to rtl.h.
6190 (convert_to_ssa): Check if we're already in SSA.
6191 Don't eliminate dead code in life_analysis.
6192 Rerun flow and life analysis at bottom.
6193 (eliminate_phi): Use canonical regnos when adding nodes.
6194 (mark_reg_in_phi): New function.
6195 (mark_phi_and_copy_regs): Likewise.
6196 (convert_from_ssa): Rerun life analysis at top.
6197 Use coalesced partition.
6198 Check for removing a phi node at the end of the block.
6199 (compute_coalesced_reg_partition): New function.
6200 (coalesce_regs_in_copies): Likewise.
6201 (coalesce_reg_in_phi): Likewise.
6202 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
6203 (for_each_successor_phi): Likewise.
6204 (rename_context): New struct.
6205 (rename_block): Use a rename_context with rename_insn_1. When
6206 renaming sets of a subreg, emit a copy of the entire reg first.
6207 (rename_insn_1): Treat data as a rename_context *. Save current
6208 insn in set_data.
6209 (rename_set_data): Add field set_insn.
6210 * Makefile.in (HASHTAB_H): Move up in file.
6211 (OBSTACK_H): New macro.
6212 (collect2.o): Use OBSTACK_H in dependencies.
6213 (sdbout.o): Likewise.
6214 (emit-rtl.o): Likewise.
6215 (simplify-rtx.o): Likewise.
6216 (fix-header.o): Likewise.
6217 (OBJS): Add conflict.o.
6218 (conflict.o): New rule.
6219 * basic-block.h: Include partition.h.
6220 (conflict_graph): New typedef.
6221 (conflict_graph_enum_fn): Likewise.
6222 (conflict_graph_new): New prototype.
6223 (conflict_graph_delete): Likewise.
6224 (conflict_graph_add): Likewise.
6225 (conflict_graph_conflict_p): Likewise.
6226 (conflict_graph_enum): Likewise.
6227 (conflict_graph_merge_regs): Likewise.
6228 (conflict_graph_print): Likewise.
6229 (conflict_graph_compute): Likewise.
6230 * conflict.c: New file.
6232 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
6234 * tlink.c (read_repo_files): Don't look for .rpo info for
6235 linker flags.
6237 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6239 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
6241 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6243 * config/sh/lib1funcs.asm (___udivsi3_i4):
6244 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
6245 only depends on FMOVD_WORKS.
6247 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6249 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
6250 make double constant 8-byte aligned.
6252 2000-04-06 Jakub Jelinek <jakub@redhat.com>
6254 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
6255 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
6256 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
6257 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
6258 Accept storing GENERAL_REGS into offsetable memory.
6259 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
6260 building a TFmode constant other than 0.0L into GENERAL_REGS.
6262 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
6264 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
6266 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
6268 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
6269 (macro_cleanup): No need to cast pbuf->macro.
6270 (collect_expansion): Use _cpp_get_define_token. Goto done if
6271 it returns VSPACE. Remove check for trailing space after
6272 CPP_COMMENT.
6273 (_cpp_create_definition): Don't diddle flags here. Return
6274 directly on error.
6275 (unsafe_chars): Handle c1 being EOF.
6276 (push_macro_expansion): Use unsafe_chars for both accidental-paste
6277 checks. Don't push the buffer till after we're done with
6278 them.
6279 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
6280 (PEEKN, FORWARD, GETC, PEEKC): Use them.
6281 (cpp_push_buffer): Don't set new->alimit. Set new->mark
6282 appropriately.
6283 (_cpp_parse_assertion): Don't NUL terminate.
6284 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
6285 hspace before calling _cpp_parse_assertion. Remove all sets
6286 of only_seen_white. Treat '\f' as hspace. Don't do anything
6287 special with '\n' here.
6288 (maybe_macroexpand): Handle T_EMPTY hash entries without
6289 pushing a buffer at all.
6290 (cpp_get_token): Handle clearing only_seen_white here. Handle
6291 incrementing the line number here. Clear
6292 potential_control_macro as well as only_seen_white, if
6293 appropriate.
6294 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
6295 (_cpp_get_define_token): New function, basically like
6296 _cpp_get_directive_token was but doesn't eat horizontal space.
6297 Don't do anything with only_seen_white here.
6298 (_cpp_get_directive_token): Just call _cpp_get_define_token
6299 repeatedly till it returns non-hspace.
6301 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
6302 (conditional_skip, skip_if_group): Return int.
6303 (DIRECTIVE_TABLE): Change origin of all conditional directives
6304 to "COND".
6305 (TRAD_DIRECT_P): New macro.
6306 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
6307 an error for a bogus directive, unless -lang-asm. Use
6308 TRAD_DIRECT_P. Loop calling handler functions till one returns
6309 zero.
6310 (get_macro_name): Don't diddle flags here.
6311 (do_define): Diddle flags here. Use _cpp_get_directive_token.
6312 Create T_EMPTY nodes for #define macro /* nothing */.
6313 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
6314 Use hp->name when calling pass_thru_directive.
6315 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
6316 Return the result of conditional_skip and/or skip_if_group.
6317 Don't call _cpp_output_line_command.
6318 (consider_directive_while_skipping): Use _cpp_get_directive_token.
6319 Issue -Wtraditional warnings as appropriate. Don't complain
6320 about unrecognized directives. If we are to stop skipping,
6321 return the number of the directive that ended the skip.
6322 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6323 expansion and line commands while skipping. Return the result
6324 of consider_directive_while_skipping, if nonzero.
6325 (do_endif): Just set potential_control_macro here.
6326 (validate_else): Use _cpp_get_directive_token.
6327 (do_assert, do_unassert): Don't save pointers into the
6328 token_buffer across calls to the lexer. Use
6329 _cpp_get_directive_token.
6331 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6332 pointer, not an offset. Replace 'data', which was a generic
6333 pointer, with 'macro', which points to a struct hashnode.
6334 (cpp_reader): Add 'potential_control_macro' pointer.
6335 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6336 (CPP_BUF_GET, CPP_FORWARD): Delete.
6337 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6338 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6339 ACTIVE_MARK_P): Update.
6340 (_cpp_get_define_token): New internal function.
6341 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6343 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6345 * configure.in: And here.
6346 * configure: Regenerate.
6347 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6348 --enable-libstdcxx-v3 is passed at configure time.
6349 * config.h.in: Regenerate.
6351 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6353 * final.c (final): Use xcalloc to allocate line_note_exists.
6354 * function.c (free_after_compilation): Free the temp_slots.
6355 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6356 (combine_temp_slot): Free temp_slots when they get combined.
6357 (purge_addressof): Fix typo in comment.
6358 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6359 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6361 * ggc.h: Include varray.h.
6362 (ggc_pending_trees): Declare.
6363 (ggc_mark_tree_children): Remove declaration.
6364 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6365 * ggc-common.c (ggc_pending_trees): New variable.
6366 (ggc_mark_roots): Call ggc_mark_trees.
6367 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6368 the ggc_pending_trees.
6369 * Makefile.in (GGC_H): New variable. Use it throughout in place
6370 of ggc.h.
6372 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6374 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6375 GET_MODE_SIZE.
6377 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6379 * sh.c (sh_insn_length_adjustment): New function.
6380 * sh-protos.h (sh_insn_length_adjustment): Declare.
6381 * sh.h (ADJUST_INSN_LENGTH): Use it.
6383 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6385 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6386 from the insn where REG_RETVAL is added.
6387 (emit_no_conflict_block): Ditto.
6389 * md.texi (Standard Names): Clarify when movX is needed.
6391 * combine.c (simplify_comparison) [MINUS]: Do not replace
6392 all (op (minus A B) 0) with (op A B).
6394 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6395 J"orn Rennecke <amylaar@cygnus.co.uk>
6397 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6398 (block_lump_real): Likewise.
6400 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6402 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6403 remaining non-zero debugging masks.
6405 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6407 * basic-block.h (verify_flow_info): Declare.
6408 (flow_loop_outside_edge_p): Declare.
6409 * flow.c (verify_flow_info): Remove declaration.
6410 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6412 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6414 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6415 not C++ comments.
6417 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6419 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6420 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6421 seqdi_zero_trunc+1): Allow splits only if registers are
6422 different.
6424 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6426 * acconfig.h: Add HAVE_GAS_HIDDEN.
6427 * config.in: Regenerated.
6428 * configure.in: Add test for .hidden pseudo-op in gas.
6429 * configure: Regenerated.
6430 * crtstuff.c: Include auto-host.h.
6431 Emit additional .hidden pseudo-op for __dso_handle if the
6432 assembler knows about it.
6434 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6436 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6437 before freeing argnames.
6438 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6440 2000-04-05 Michael Meissner <meissner@redhat.com>
6442 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6443 Walton <jonboy@gordian.com> to make memory references with update
6444 work wtih -mregnames.
6446 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6448 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6449 (regrename_optimize): Rename variables `def_uses' and
6450 `ext_basic_blocks' to avoid conflicts with similarly named
6451 typedefs in traditional C.
6453 * calls.c (initialize_argument_information): Fix typo in previous
6454 change.
6456 2000-04-04 Richard Henderson <rth@cygnus.com>
6458 * regrename.c (consider_available): Test fixed_regs not
6459 PIC_OFFSET_TABLE_REGNUM.
6461 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6463 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6464 crtend.
6465 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6466 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6467 (ENDFILE_LINUX_SPEC): Always use crtend.
6468 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6469 (powerpc-*-linux-gnu): Likewise.
6470 * configure: Regenerate.
6472 * config/rs6000/eabi.h: Don't include sysv4.h.
6473 (MULTILIB_DEFAULTS): Don't define.
6474 * config/rs6000/eabiaix.h: Don't include eabi.h.
6475 * config/rs6000/eabile.h: Delete.
6476 * config/rs6000/eabilesim.h: Delete.
6477 * config/rs6000/eabisim.h: Don't include eabi.h.
6478 * config/rs6000/linux.h: Don't include sysv4.h.
6479 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6480 (MULTILIB_DEFAULTS): Don't redefine.
6481 * config/rs6000/rtems.h: Don't include eabi.h.
6482 * config/rs6000/sol2.h: Don't include sysv4le.h.
6483 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6484 * config/rs6000/t-ppc: Delete.
6485 * config/rs6000/t-ppcgas: Correct comment.
6486 * config/rs6000/t-ppcos: Correct comment. Don't build
6487 multilibs for -fPIC, rather use -fPIC -mstrict-align
6488 as default.
6489 * config/rs6000/t-ppc: Delete.
6490 * config/rs6000/vxppc.h: Don't include sysv4.h.
6491 * config/rs6000/vxppcle.h: Delete.
6492 * configure.in: Use multiple header files for p2pc ELF targets
6493 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6494 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6495 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6496 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6497 always available for these platforms.
6499 2000-04-04 Richard Henderson <rth@cygnus.com>
6501 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6503 2000-04-04 Stan Cox <scox@cygnus.com>
6505 * Makefile.in: Add rules for regrename.o
6506 * regrename.c: New file.
6507 * rtl.h (regrename_optimize): Add prototype.
6508 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6509 (compile_file, decode_d_option): Add support for -frename-registers.
6510 (rest_of_compilation): Call regrename_optimize.
6511 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6512 New macros.
6514 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6516 * Makefile (gccbug): New target.
6517 (doc): Depend on it.
6518 * gcc.texi (Bugs): Link subnodes.
6519 (gccbug): New node.
6520 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6521 Document severities, priorities, and classes in bug form.
6523 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6525 * cpplex.c (trigraph_map, speccase): Combine into single
6526 table, chartab.
6527 (NORMAL, NONTRI): New macros.
6528 (_cpp_read_and_prescan): Change to use unified table. Use
6529 is_hspace to test for whitespace.
6531 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6532 definition that doesn't provoke the "empty body in an
6533 if-statement" warning.
6535 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6537 * builtins.c (expand_builtin_strlen): Force the source to
6538 be a memory address.
6540 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6542 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6544 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6546 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6547 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6548 (ECF_IS_CONST): Rename to ECF_CONST.
6549 (special_function_p): Make static, change interface.
6550 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6551 (expand_call) ... here; convert number of variables to flags.
6552 (emit_library_call_vlue_1): Likewise.
6553 (setjmp_call_p): New function.
6554 (initialize_argument_information): Accepts flags as argument;
6555 return flags.
6556 (precompute_arguments): Likewise.
6557 * tree.h (special_function_p): Remove.
6558 (setjmp_call_p): Add prototype.
6560 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6562 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6563 so that addresses are offsetable by up to 16 bytes.
6564 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6565 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6566 offsetable.
6568 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6569 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6570 (movsf): Don't force any constant to memory if target is integer
6571 hard register.
6572 Move fp_zero_operand check below the const0_rtx check.
6573 (movtf): Likewise. Also allow fp_zero_operand for stores into
6574 memory.
6575 (movdf): Likewise. Also allow fp_zero_operand for stores into
6576 memory and into integer hard registers.
6577 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6578 movdf_const_intreg_sp64): Remove.
6579 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6580 conditions.
6581 (movdf_no_e_insn_v9_sp32): New pattern.
6582 (movdf_insn_v9only): Remove.
6583 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6584 (movdf_insn_sp64): Remove.
6585 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6586 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6587 (following splits): Rewrite conditions. Add two new splits
6588 for storing 0.0 into memory and registers.
6589 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6590 (movtf_insn_sp32): Redo constraints and conditions.
6591 (movtf_insn_vis_sp32): New pattern.
6592 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6593 (movtf_insn_hq_sp64): Likewise.
6594 (movtf_insn_hq_vis_sp64): New pattern.
6595 (movtf_insn_sp64): Redo constraints and conditions.
6596 (movtf_insn_vis_sp64): New pattern.
6597 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6598 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6599 or memory.
6600 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6601 -mvis or -m64 to take down the number of various reload patterns.
6603 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6605 * pa/pa-64.h: New file.
6606 * pa/pa64-regs.h: New file.
6607 * pa/pa64-start.h: New file.
6608 * pa/t-pa64: New file.
6609 * pa/xm-pa64hpux.h: New file.
6611 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6613 * sparc.c (output_restore_regs): Prototype.
6614 (sparc_emit_float_lib_cmp): Constification.
6616 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6618 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6619 Prototype.
6621 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6622 (get_value_hash, hash_rtx): Likewise.
6624 * ssa.c (compute_conservative_reg_partition): Prototype.
6626 * tree.c (mark_hash_entry): Prototype.
6628 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6630 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6631 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6632 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6634 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6635 * objc/lang-specs.h: Likewise.
6637 2000-04-03 Neil Booth <NeilB@earthling.net>
6639 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6640 and SYNTAX_ERROR2. Replace `' in messages with ''.
6641 (op_to_str): Make re-entrant.
6642 (_cpp_parse_expr): Implement new error macros. Use | rather
6643 than || to logically or 2 boolean integers. Simply expression
6644 checking we have a left operand iff needed.
6646 2000-04-03 Nick Clifton <nickc@cygnus.com>
6648 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6650 2000-04-03 Philip Blundell <philb@gnu.org>
6652 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6654 2000-04-03 Felix Lee <flee@cygnus.com>
6656 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6657 (run_shell): Use it.
6659 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6661 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6662 (stmp-fixproto): ...rather than here.
6664 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6666 * pa.c (print_operand): Compute 'base' only inside the code paths
6667 that use it.
6669 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6671 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6672 CEIL_DIV_EXPR.
6674 2000-04-03 Philipp Thomas <pthomas@suse.de>
6676 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6678 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6680 * Makefile.in (alias.o): Depend on $(TREE_H).
6682 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6684 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6685 processing C++.
6686 * cpplib.c (_cpp_handle_directive): Improve warnings for
6687 traditional C and indented directives.
6689 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6690 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6691 fixinc/inclhack.def: Indent the # of #include_next one space.
6692 * cp/rtti.c: Un-indent #if and #endif.
6694 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6695 syntax error, but an error has already been printed.
6696 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6697 message when called with nothing remaining on the line.
6698 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6699 OTHER token, not an ASSERTION.
6700 * cpplib.c (do_assert): When we create a 'base' node, clear
6701 its aschain pointer.
6703 2000-04-02 Neil Booth <NeilB@earthling.net>
6705 * cppexp.c: New typedef op_t. struct operation and struct
6706 token updated to use it.
6707 (op_to_str): New function.
6708 (_cpp_parse_expr): Error messages modified to use op_to_str.
6710 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6712 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6713 before checking MUST_PASS_IN_STACK.
6715 2000-04-02 Neil Booth <NeilB@earthling.net>
6717 * cppexp.c: New FINISHED dummy token. Combine operator initial
6718 flags and initial priority into a single constant. New
6719 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6720 (_parse_cpp_expr): Implement new constants. Take left operand
6721 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6722 parse indicated by reducing FINISHED token. Remove new lines
6723 from cpp_error messages.
6725 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6727 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6728 permanent obstack.
6730 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6732 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6733 directive. Add origin values to DIRECTIVE_TABLE. Generate
6734 the strings and function names on the fly. Take the #sccs
6735 entry out of the table if SCCS_DIRECTIVE is not defined.
6736 (_cpp_handle_directive): Decide if the # was at the beginning
6737 of the line here. Issue -pedantic warnings for extended
6738 directives here. Warn about K+R directives with the #
6739 indented, and C89/extended directives with the # not indented,
6740 here.
6741 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6742 do_assert, do_unassert): Don't issue pedantic warning here.
6744 * cpphash.h: Add CPP_WTRADITIONAL macro.
6745 * cpplib.h (struct cpp_options): Rename warn_stringify to
6746 warn_traditional; update comments.
6747 * cppinit.c (handle_option): Set warn_traditional not
6748 warn_stringify.
6749 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6750 CPP_WTRADITIONAL (pfile).
6751 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6752 be ignored in -traditional mode here.
6754 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6755 to initialize speccase[] and trigraph_map[]. Delete all
6756 references to pfile->input_speccase. Always treat '?' as a
6757 special character. Remove table-initialization code from
6758 _cpp_init_input_buffer.
6760 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6761 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6763 2000-04-01 Richard Henderson <rth@cygnus.com>
6765 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6766 (mostlyclean): Likewise.
6768 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6769 (struct dump_file_info, enum dump_file_index, dump_file): New.
6770 (open_dump_file): Take a dump_file_index not a suffix, and a decl
6771 not a string. Clean out file if we havn't yet done so. Do nothing
6772 if the dump isn't enabled.
6773 (close_dump_file): Do nothing if the dump isn't open. Dump
6774 graph data if requested.
6775 (dump_rtl, clean_dump_file): Remove.
6776 (compile_file): Don't clean the dump files. Only finalize .bp dump
6777 if flag_test_coverage or flag_branch_probabilities. Only finalize
6778 .combine dump if optimizing. Iterate over dump_file to finalize the
6779 graph dumps.
6780 (rest_of_compilation): Update for open_dump_file/close_dump_file.
6781 Convert all uses of dump_rtl.
6782 (decode_d_option): Iterate over dump_file to implement 'a' and to
6783 locate pass-specific dumps.
6785 2000-04-01 Neil Booth <NeilB@earthling.net>
6787 * cppexp.c: Redefine priority constants.
6788 (_cpp_parse_expr): Replace left and right priority scheme with
6789 single priority logic. Move LOGICAL to same place as COMPARE.
6790 Remove bogus check for multiple unary +/- operators.
6792 2000-04-01 Neil Booth <NeilB@earthling.net>
6794 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
6795 within the switch statement. Binary operations break out of
6796 the switch naturally. '(' tokens handled by forcing
6797 immediate shift. ')' handled by forcing immediate reduce to
6798 the previous '('. New error messages.
6800 2000-03-31 Geoff Keating <geoffk@cygnus.com>
6802 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
6803 part', it's already in use. Use %K instead. Add a return at the
6804 end of what is now %K.
6805 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
6807 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6809 * builtins.c (expand_builtin_apply): Pass proper parameters to
6810 allocate_dynamic_stack_space.
6811 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
6812 update stack_pointer_delta; do not update arg_size_so_far.
6813 (compute_argument_block_size): Use stack_delta instead of
6814 stack_pointer_pending and arg_size_so_far.
6815 (expand_call): Add sanity checking for stack_pointer_delta;
6816 save and restore stack_pointer_delta for SIB, use
6817 stack_pointer_delta for alignment; do not update arg_space_so_far.
6818 (emit_library_call_value): Use stack_pointer_delta for alignment.
6819 (store_one_arg): Do not update arg_space_so_far.
6820 * explow.c (adjust_stack, anti_adjust_stack): Update
6821 stack_pointer_delta.
6822 (allocate_dynamic_stack_space): Add sanity checking for
6823 stack_pointer_delta.
6824 * expr.c (init_expr, clear_pending_stack_adjust): Clear
6825 stack_pointer_delta.
6826 (emit_push_insn): Update stack_pointer_delta.
6827 * function.h (struct expr_status): Add x_stack_pointer_delta;
6828 remove x_arg_space_so_far.
6829 (arg_space_so_far): Remove.
6830 (stack_pointer_delta): New macro.
6832 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
6834 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
6835 Reorder struct cpp_options and struct cpp_reader for better
6836 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
6837 takes two args. Change all 'char' flags to 'unsigned char'.
6838 Move show_column flag into struct cpp_options. Don't
6839 prototype cpp_options_init.
6840 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
6841 cppinit.c, cpplex.c, cpplib.c:
6842 Replace CPP_OPTIONS (pfile)->whatever with
6843 CPP_OPTION (pfile, whatever), and likewise for
6844 opts = CPP_OPTIONS (pfile); ... opts->whatever;
6846 * cppinit.c (merge_include_chains): Take a cpp_reader *.
6847 Extract CPP_OPTION (pfile, pending) and work with that
6848 directly.
6849 (cpp_options_init): Delete.
6850 (cpp_reader_init): Turn on on-by-default options here.
6851 Allocate the pending structure here.
6852 (cl_options, enum opt_code): Define these from the same table,
6853 kept in a large macro. Add -fshow-column and -fno-show-column
6854 options.
6856 * cpperror.c (v_message): If show_column is off, don't print
6857 the column number.
6859 * cppmain.c: Update for new interface.
6860 * fix-header.c: Likewise.
6862 2000-03-30 Geoff Keating <geoffk@cygnus.com>
6864 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
6865 definition.
6866 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
6867 are passed to any invocation of AR_FOR_TARGET.
6868 (AR_CREATE_FOR_TARGET): New macro.
6869 (AR_EXTRACT_FOR_TARGET): New macro.
6870 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
6871 AR_EXTRACT_FOR_TARGET.
6872 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
6873 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
6874 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
6875 AR_EXTRACT_FOR_TARGET to sub-makes.
6877 2000-03-31 Neil Booth <NeilB@earthling.net>
6879 * cppexp.c: Delete SKIP_OPERAND. Correct priority
6880 PAREN_INNER_PRIO.
6881 (_cpp_parse_expr): Check for multiple unary +/- operators.
6882 Correct priorities of ':' and '?'. Treat ')' as having a
6883 value. Ensure conditional expression is not void.
6885 2000-03-31 Mark Mitchell <mark@codesourcery.com>
6887 * alias.c (canon_rtx): Make it global.
6888 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
6889 equality.
6890 * cse.c (struct table_elt): Add canon_exp.
6891 (insert): Clear it.
6892 (invalidate): Canonicalize expressions only once.
6893 * rtl.h (canon_rtx): Declare.
6895 2000-03-30 Mark Mitchell <mark@codesourcery.com>
6897 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
6898 * alias.c (reg_known_value): Add comments.
6899 (init_alias_analysis): Likewise.
6900 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
6901 address.
6902 (cse_basic_block): Fix typo in comment.
6903 * emit-rtl.c: Include hashtab.h.
6904 (const_int_htab): New variable.
6905 (const_int_htab_hash): New function.
6906 (const_int_htab_eq): Likewise.
6907 (rtx_htab_mark_1): Likewise.
6908 (rtx_htab_mark): Likewise.
6909 (gen_rtx_CONST_INT): Cache all CONST_INTs.
6910 (unshare_all_rtx): Fix formatting.
6911 (init_emit_once): Initialize const_int_htab.
6912 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
6913 address.
6914 * rtl.texi: Document the fact that all CONST_INTs with the same
6915 value are shared.
6917 2000-03-30 Richard Henderson <rth@cygnus.com>
6919 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
6921 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
6923 * configure.in: Comment out --enable-c-cpplib stanza.
6924 * configure: Regenerate.
6926 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6928 * expr.c (store_constructor): Properly compute displacement and
6929 alignment when offset is variable.
6931 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
6932 cases of alignment in bytes.
6934 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
6936 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
6937 since it is used to generate c-parse.y.
6938 * objc-parse.c, objc-parse.y: Regenerated.
6940 * function.c (expand_function_end): Pass alignment argument to
6941 emit_block_move in bits, not bytes.
6943 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6945 * expr.c (move_by_pieces_ninsns): Fix one more missing align
6946 correction.
6948 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
6950 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
6951 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
6952 * function.c (assign_parms): Likewise.
6953 * integrate.c (expand_inline_function): Likewise.
6954 * stmt.c (expand_decl): Likewise.
6955 (copy_rtx_and_substitute): Likewise.
6956 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
6957 (clear_by_pieces): Fix error in last change.
6958 * emit-rtl.c (init_emit): Set known registers alignment in bits.
6959 * function.h (regno_pointer_align): Now unsigned.
6960 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
6961 is in bits.
6962 * config/i386/i386.c (aligned_operand): Likewise.
6963 * config/sparc/sparc.c (mem_min_alignment): Likewise.
6964 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
6965 (unaligned_memory_operand): Likewise.
6966 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
6967 Also make alignments and sizes unsigned and some whitespace cleanup.
6968 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
6970 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
6971 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
6972 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
6973 (expand_builtin_memset): Likewise, but to clear_storage.
6974 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
6975 (restore_fixed_argument_area): Likewise.
6976 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
6977 (load_register_parameters): Likewise, to emit_group_load.
6978 (expand_call): Likewise, to emit_group_store and emit_block_move.
6979 (emit_library_call_value_1): Likewise, to emit_block_move.
6980 (store_one_arg): Likewise, and to emit_push_insn.
6981 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
6982 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
6983 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
6984 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6985 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
6986 (expand_assigment, store_expr, store_constructor_field): Likewise.
6987 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
6988 (store_constructor, store_field, get_inner_reference): Likewise.
6989 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
6990 (expand_expr, case COMPONENT_REF): Likewise.
6991 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
6992 and positions; reindent code.
6993 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
6994 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
6995 (assign_parms): Likewise to emit_group_store.
6996 * optabs.c (prepare_cmp_insn): Alignment is in bits.
6997 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
6998 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
6999 (expand_return): Likewise to {extract,store}_bit_field.
7000 * stor-layout.c (get_mode_alignment): Minor cleanup.
7001 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
7002 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
7004 2000-03-29 Nick Clifton <nickc@cygnus.com>
7006 * config/arm/arm.h: Undo effects of previous delta:
7007 (ASM_SPEC): Do not define.
7008 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
7010 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
7011 typo.
7013 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7015 * cppinit.c (cpp_start_read): Call initialize_dependency_output
7016 only after reading in the primary source file.
7018 2000-03-29 Geoff Keating <geoffk@cygnus.com>
7020 * c-common.c (c_common_nodes_and_builtins): The first parameter to
7021 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
7022 or a reference to a va_list.
7023 * builtins.c (stabilize_va_list): Simplify now we don't have to
7024 work around C array address decay.
7025 * c-typeck.c (convert_for_assignment): Handle assignment to
7026 a reference parameter by taking the address of the RHS.
7027 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
7028 (va_copy): Likewise.
7029 (__va_copy): Likewise.
7030 * ginclude/varargs.h (va_start): Likewise.
7031 (__va_copy): Likewise.
7033 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
7035 * i386/djgpp.h: Remove extraneous "+".
7037 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
7039 * calls.c (expand_call): Fix typo in last change.
7041 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
7043 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
7044 been expanded.
7046 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7048 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
7049 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
7050 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
7051 * tree.c (bit_position, byte_position): Likewise.
7052 * tree.h: Declare new functions.
7054 2000-03-29 Nick Clifton <nickc@cygnus.com>
7056 * config/arm/arm.c: Minor formatting changes/
7057 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7058 already defined.
7059 (ASM_SPEC): Define if not already defined.
7061 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7063 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
7064 _cpp_calc_hash.
7066 2000-03-29 Jakub Jelinek <jakub@redhat.com>
7068 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
7069 value, don't output it as unsigned.
7071 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
7073 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
7075 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7077 * c-common.c (c_common_nodes_and_builtins): Don't special case
7078 cplus_mode when declaring builtin bzero/bcmp, always avoid
7079 prototype arguments.
7081 2000-03-29 Bruce Korb <bkorb@gnu.org>
7083 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
7084 to a non-file
7086 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
7088 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
7089 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
7090 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
7091 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
7092 (save_fixed_argument_area, restore_fixed_argument_area):
7093 conditionize by #ifdef REG_PARM_STACK_SPACE only.
7094 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
7095 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
7096 (precompute_register_parameters): Avoid #ifdefs on
7097 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
7098 (stire_one_args): Likewise.
7099 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
7100 (emit_library_call_value_1): Likewise.
7101 (compute_argument_block_size): Align to STACK_BOUNDARY only for
7102 ACCUMULATE_OUTGOING_ARGS.
7103 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
7104 value.
7105 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
7106 (use_crosses_set_p): Likewise.
7107 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
7108 #define ACCUMULATE_OUTGOING_ARGS 1.
7109 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
7110 frames.
7111 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
7112 constants.
7113 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
7114 (TARGET_SWITCHES): Add push-args, no-push-args,
7115 accumulate-outgoing-args and no-accumulate-outgoing-args.
7116 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
7117 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
7118 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
7119 and PUSH_ROUNDING.
7120 (emit_push_insn): Likewise.
7121 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7122 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
7123 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7124 (STACK_DYNAMIC_OFFSET): Define correctly for both
7125 ACCUMULATE_OUTGOING_ARGS and normal mode.
7126 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
7127 * tm.texi (PUSH_ARGS): Document.
7128 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
7130 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
7132 * flags.h (flag_optimize_sibling_calls): Declare.
7133 * calls.c (expand_call): Fail sibcall when
7134 !flag_optimize_sibling_calls
7135 * invoke.texi (flag_optimize_sibling_calls): Document.
7136 * toplev.c (flag_optimize_sibling_calls): New global variable.
7137 (f_options): Add flag_optimize_sibling_calls.
7138 (rest_of_compilation): Conditionize
7139 optimize_sibling_and_tail_recursive_calls by
7140 flag_optimize_sibling_calls.
7141 (main): Set flag_optimize_sibling_calls for -O2.
7142 * stmt.c (expand_return): Conditionize tail recursion by
7143 flag_optimize_sibling_calls.
7145 2000-03-29 Richard Henderson <rth@cygnus.com>
7147 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
7148 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
7150 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
7152 * except.c (add_eh_table_entry): Mark type_info's as referenced.
7154 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7156 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
7157 is given.
7158 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
7159 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
7160 * config/rs6000/aix.h: then modified likewise.
7162 2000-03-28 Richard Henderson <rth@cygnus.com>
7164 * rtl.h: Redistribute enum reg_note documentation.
7165 Kill trailing whitespace.
7166 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
7167 Kill trailing whitespace.
7169 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
7171 * cppfiles.c (hash_IHASH): Just return i->hash.
7172 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
7173 htab_find_with_hash.
7174 (cpp_read_file): Likewise.
7175 (find_include_file): Likewise. Properly initialize
7176 ih->nshort. Share ih->name and ih->nshort if possible.
7177 * cpphash.c (_cpp_calc_hash): New function.
7178 (hash_HASHNODE): Just return h->hash.
7179 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
7180 htab_find_with_hash.
7181 * cpphash.h: Prototype _cpp_calc_hash.
7182 * cppinit.c (initialize_builtins): Provide a valid hash
7183 to _cpp_make_hashnode, using _cpp_calc_hash.
7185 * cpphash.c (collect_expansion): # is not a special character
7186 in object-like macros. In -traditional mode, /**/ is not
7187 token paste at the beginning or end of the line.
7188 * cpplib.c (do_include, do_import, do_include_next): If
7189 parse_include fails, return immediately.
7191 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
7193 * config/arm/arm.md (return peepholes): Update to reflect the new
7194 call insn patterns.
7195 * config/arm/arm.c (arm_volatile_func): Also check
7196 current_function_nothrow.
7197 (output_return_instruction, output_func_prologue): Use it.
7198 (arm_output_epilogue, arm_expand_prologue): Likewise.
7200 2000-03-27 Tom Tromey <tromey@cygnus.com>
7202 * gcc.c (handle_braces): In {x*...} case, break out of loop if
7203 switch is found.
7205 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7207 * expr.c (store_constructor): SIZE now signed.
7208 For EXPR_SIZE, don't evaluate size; just needed if constant.
7209 * fold-const.c (fold): Fix a number of cases when folded tree is
7210 wrong type.
7211 * function.c (flush_addressof): Reenable.
7212 * tree.h (flush_addressof): Likewise.
7213 * toplev.c (independent_decode_option): Look at strings_processed.
7214 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
7216 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
7218 * sibcall.c (indentify_call_return_value): Find last call in the chain;
7219 Allow stack adjustment after function call.
7221 * regmove.c (struct csa_memlist): Make mem field rtx *.
7222 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
7223 (try_apply_stack_adjustment): Replace whole MEM rtx.
7224 (combine_stack_adjustments_for_block): Update calls
7225 to record_one_stack_ref.
7227 2000-03-28 Neil Booth <NeilB@earthling.net>
7229 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
7230 '\\' rather than a null character, so nulls are not special. Fix
7231 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
7232 speed trigraph conversion.
7233 (_cpp_init_input_buffer): Initialize trigraph map.
7235 2000-03-27 Alan Modra <alan@linuxcare.com.au>
7237 * config/i386/i386.c (output_387_binary_op): Correct intel
7238 mode assembly output, and add spaces after commas in AT&T
7239 output. Correct Unixware assembler comment. Document input
7240 constraints. Comment fp operations. Reduce profligate buffer
7241 size. Remove extraneous abort. Localize temp var.
7242 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
7243 (output_fix_trunc): Add spaces after commas in assembly output.
7245 2000-03-27 Richard Henderson <rth@cygnus.com>
7247 * i386-protos.h (ix86_match_ccmode): Declare.
7248 * i386.c (ix86_match_ccmode): New.
7249 (ix86_expand_fp_compare): Update for pattern renames.
7250 (ix86_expand_strlensi_unroll_1): Likewise.
7251 * i386.h (EXTRA_CC_MODES): Add CCZ.
7252 (SELECT_CC_MODE): Use it for EQ/NE zero.
7253 * i386.md (cmpsi_ccz_1): New.
7254 (cmpqi_ccz_1): New.
7255 (*testsi_ccz_1): New.
7256 (testqi_ccz_1): New.
7257 (cmpsi_ccno_1): Rename from cmpsi_0.
7258 (testsi_ccno_1): Rename from testsi_1.
7259 (testqi_ccno_1): Rename from testqi_1.
7260 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
7261 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
7262 (*cmphi_0): Use ix86_match_ccmode.
7263 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
7264 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
7265 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
7266 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
7267 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
7268 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
7269 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
7270 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
7271 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
7272 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
7273 (appropriate peepholes): Likewise.
7274 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
7275 (*subsi_3, *subhi_3, *subqi_3): Remove.
7276 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
7277 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
7278 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
7279 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
7280 (x86_shift_adj_1): Use CCZ.
7281 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
7283 2000-03-27 Stan Cox <scox@cygnus.com>
7285 * resource.h (mark_resource_type): New.
7286 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
7287 find_free_register): Use mark_resource_type.
7288 (mark_set_resources): Change include_delayed_effects
7289 to mark_resource_type.
7290 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
7291 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
7292 Use mark_resource_type.
7294 2000-03-27 Richard Henderson <rth@cygnus.com>
7296 * i386.md (call_pop_0, call_value_pop_0): New.
7297 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
7298 (call_value_pop_1): Likewise.
7299 (call_0, call_value_0): New.
7300 (call_1, call_value_1): Remove constraint from unused arg.
7302 2000-03-27 Nick Clifton <nickc@cygnus.com>
7304 * invoke.texi (Spec Files): Document new spec % command created by
7305 Tom Tromey's recent patch.
7307 2000-03-27 Jakub Jelinek <jakub@redhat.com>
7309 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
7310 if not defined.
7312 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7314 * expr.c (expand_assignment): Fix typo in last change.
7316 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
7318 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7320 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
7321 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
7322 and DECL_INLINE if FUNCTION_DECL.
7323 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7324 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7325 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7326 (combine_parm_decls): Likewise.
7327 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7328 * print-tree.c (print_node): Likewise.
7329 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7330 DECL_TRANSPARENT_UNION on proper decl types.
7331 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7332 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7333 DECL_BIT_FIELD of FIELD_DECL.
7334 * tree.h (DECL_RESULT_FLD): New macro.
7336 * expr.c (expand_assignment): Add code to handle variable-sized
7337 BLKmode case.
7339 2000-03-26 Richard Henderson <rth@cygnus.com>
7341 * calls.c (expand_call): Pass parms not original exp to
7342 optimize_tail_recursion. Mind return value instead of looking
7343 for a barrier.
7344 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7345 call_expr. Move checks for call_expr and current_function_decl ...
7346 (expand_return): ... here.
7348 2000-03-26 Tom Tromey <tromey@cygnus.com>
7350 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7351 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7352 defines.
7353 (process_command): Use them.
7354 (check_live_switch): Likewise.
7355 (give_switch): Skip ignored switches.
7357 2000-03-26 Jan Hubicka <jh@suse.cz>
7359 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7360 for minimal jump pass test.
7362 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7364 * integrate.c (function_cannot_inline_p): Do inline functions that
7365 return `void'.
7367 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7369 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7370 now a list of TREE_LIST entries, not types.
7371 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7373 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7374 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7375 int_bit_position.
7376 * config/mips/mips.c (function_arg): Likewise; also remove cast
7377 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7378 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7379 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7380 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7381 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7382 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7383 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7384 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7385 num_adjusts now unsigned.
7386 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7387 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7388 NREGS now unsigned.
7389 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7390 as is BITPOS variable; use host_integerp and int_bit_position.
7391 (function_arg_record_value_2): Likewise.
7392 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7393 Variable REGNO now unsigned.
7394 (function_arg_record_value): NREGS now unsigned.
7396 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7398 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7400 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7402 * Rework fields used to describe positions of bitfields and
7403 modify sizes to be unsigned and use HOST_WIDE_INT.
7404 * alias.c (reg_known_value_size): Now unsigned.
7405 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7406 (really_start_incremental_init): Use bitsize_zero_node.
7407 (push_init_level, pop_init_level, output_init_element): Likewise.
7408 Use bitsize_unit_node and bitsize_one_node.
7409 (output_pending_init_elements, process_init_element): Likewise.
7410 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7411 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7412 HOST_WIDE_INT, respectively.
7413 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7414 (num_sign_bit_copies): Returns unsigned.
7415 BITWIDTH now unsigned; rework arithmetic.
7416 Remove recursive call from arg to MAX.
7417 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7418 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7419 REGNO now unsigned.
7420 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7421 (find_split_point, expand_compound_operation, make_extraction): LEN
7422 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7423 (make_field_assignment): Likewise.
7424 (combine_simplify_rtx): Add cast.
7425 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7426 (force_to_mode): WIDTH now unsigned; add cast.
7427 (if_then_else_cond): SIZE now unsigned.
7428 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7429 (extended_count): Now returns unsigned.
7430 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7431 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7432 (simplify_comparison): MODE_WIDTH now unsigned.
7433 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7434 (mark_used_regs_combine): Likewise; rework arithmetic.
7435 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7436 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7437 (record_promoted_value): REGNO now unsigned.
7438 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7439 (get_last_value): REGNO now unsigned.
7440 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7441 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7442 (remove_death): Arg REGNO now unsigned.
7443 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7444 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7445 now unsigned.
7446 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7447 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7448 (struct cse_reg_info): REGNO now unsigned.
7449 (cached_regno): Now unsigned.
7450 (REGNO_QTY_VALID_P): Add cast.
7451 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7452 (remove_invalid_regs): Likewise.
7453 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7454 as are variables END and I.
7455 (get_cse_reg_info, insert): Likewise.
7456 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7457 (canon_hash): Likewise.
7458 (insert_regs, lookup_for_remove): REGNO now unsigned.
7459 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7460 New variable RN.
7461 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7462 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7463 * emit-rtl.c (subreg_realpart_p): Add cast.
7464 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7465 (operand_subword_force): Arg I is now unsigned.
7466 * except.c (eh_regs): Variable I is now unsigned.
7467 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7468 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7469 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7470 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7471 (extract_split_bit_field, store_bit_field, extract_bit_field):
7472 Likewise.
7473 * expr.c (store_constructor_fields, store_constructor, store_field):
7474 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7475 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7476 (do_jump): Likewise.
7477 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7478 MAX_SIZE is now unsigned.
7479 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7480 (emit_group_store): Likewise.
7481 (emit_move_insn): I now unsigned.
7482 (store_constructor): Use host_integerp, tree_low_cst, and
7483 bitsize_unit_node.
7484 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7485 Rework all calculations to use trees and new fields.
7486 * expr.h (promoted_input_arg): Regno now unsigned.
7487 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7488 (mark_seen_cases): Arg is HOST_WIDE_INT.
7489 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7490 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7491 precisions and alignments are unsigned.
7492 (optimize_bit_field_compare, fold_truthop): Likewise.
7493 (int_const_binop): Adjust threshold for size_int_type_wide call.
7494 (fold_convert): Likewise.
7495 (size_int_type_wide): Make table larger and fix thinko that only
7496 had half of table used.
7497 (all_ones_mask_p, fold): Precisions are unsigned.
7498 * function.c (put_reg_info_stack): REGNO is unsigned.
7499 (instantiate_decl): Size is HOST_WIDE_INT.
7500 (instantiate_virtual_regs): I is unsigned.
7501 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7502 (promoted_input_arg): REGNO is unsigned.
7503 * function.h (struct function): x_max_parm_reg is now unsigned.
7504 * gcse.c (max_gcse_regno): Now unsigned.
7505 (struct null_pointer_info): min_reg and max_reg now unsigned.
7506 (lookup_set, next_set): REGNO arg now unsigned.
7507 (compute_hash_table): REGNO and I now unsigned.
7508 (handle_avail_expr): regnum_for_replacing now unsigned.
7509 (cprop_insn): REGNO now unsigned.
7510 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7511 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7512 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7513 * hard-reg-set.h (reg_class_size): Now unsigned.
7514 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7515 * jump.c (mark_modified_reg): I now unsigned; add cast.
7516 (rtx_equal_for_thread_p): Add cast.
7517 * loop.c (max_reg_before_loop): Now unsigned.
7518 (struct_movable): REGNO now unsigned.
7519 (try_copy_prop): REGNO arg unsigned.
7520 (regs_match_p): XN and YN now unsigned.
7521 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7522 (strength_reduce): Likewise; NREGS also unsigned.
7523 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7524 * loop.h (struct iv_class): REGNO now unsigned.
7525 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7526 Now unsigned.
7527 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7528 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7529 * optabs.c (expand_binop): I and NWORDS now unsigned.
7530 (expand_unop): I now unsigned.
7531 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7532 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7533 * real.c (significand_size): Now returns unsigned.
7534 * real.h (significand_size): Likewise.
7535 * regclass.c (reg_class_size): Now unsigned.
7536 (choose_hard_reg_mode): Both operands now unsigned.
7537 (record_reg_classes): REGNO and NR now unsigned.
7538 (reg_scan): NREGS now unsigned.
7539 (reg_scan_update): old_max_regno now unsigned.
7540 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7541 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7542 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7543 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7544 Likewise for variable R.
7545 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7546 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7547 (find_equiv_reg): Add casts.
7548 (regno_clobbered_p): Arg REGNO now unsigned.
7549 * reload.h (struct reload): NREGS now unsigned.
7550 (refers_to_regno_for_reload_p): Regno args are unsigned.
7551 (regno_clobbered_p): Likewise.
7552 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7553 (compute_use_by_pseudos): REGNO now unsigned.
7554 (find_reg): I and J now unsigned, new variable K, and change loop
7555 variables accordingly; THIS_NREGS now unsigned.
7556 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7557 (spill_hard_reg): REGNO arg now unsigned; add casts.
7558 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7559 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7560 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7561 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7562 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7563 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7564 (emit_reload_insns): REGNO now unsigned.
7565 (reload_cse_move2add): Add cast.
7566 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7567 and rework loop.
7568 * resource.c (mark_referenced_resources, mark_set_resources): New
7569 variable R; REGNO and LAST_REGNO now unsigned.
7570 (mark_target_live_regs): J and REGNO now unsigned.
7571 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7572 * rtl.h (union rtunion_def): New field rtuint.
7573 (XCUINT): New macro.
7574 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7575 (operand_subword, operand_subword_force): Word number is unsigned.
7576 (choose_hard_reg_mode): Operands are unsigned.
7577 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7578 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7579 (regno_use_in, combine_instructions, remove_death): Likewise.
7580 (reg_scan, reg_scan_update): Likewise.
7581 (extended_count): Return is unsigned.
7582 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7583 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7584 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7585 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7586 (reg_reg_last_1): FIRS and LAST now unsigned.
7587 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7588 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7589 now unsigned.
7590 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7591 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7592 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7593 (replace_regs): Arg NREGS now unsigned.
7594 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7595 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7596 (simplify_binary_operation): Likewise.
7597 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7598 THIS_LAST now unsigned.
7599 (cselib_record_set): Add cast.
7600 * ssa.c (ssa_max_reg_num): Now unsigned.
7601 (rename_block): REGNO now unsigned.
7602 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7603 sizes now unsigned.
7604 (all_cases_count): Just return -1 not -2.
7605 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7606 Rework tests to use trees whenever possible.
7607 Use host_integerp and tree_low_cst.
7608 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7609 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7610 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7611 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7612 (smallest_mode_for_size): Likewise.
7613 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7614 KNOWN_ALIGN is now an alignment, so simplify code.
7615 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7616 (start_record_layout): Renamed from new_record_layout_info.
7617 Update to new fields.
7618 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7619 New functions.
7620 (place_union_field): Renamed from layout_union_field.
7621 Update to use new fields in rli.
7622 (place_field): Renamed from layout_field.
7623 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7624 (finalize_record_size): Rework to use new fields in rli and handle
7625 union.
7626 (compute_record_mode): Rework to simplify and to use new DECL fields.
7627 (finalize_type_size): Make rounding more consistent.
7628 (finish_union_layout): Deleted.
7629 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7630 (layout_type, case RECORD_TYPE): Call new function names.
7631 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7632 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7633 (get_best_mode): UNIT is now unsigned; remove casts.
7634 * tree.c (bit_position): Compute from new fields.
7635 (byte_position, int_byte_position): New functions.
7636 (print_type_hash_statistics): Cast to remove warning.
7637 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7638 (build_index_type): Likewise; make subtype of sizetype.
7639 (build_index_2_type): Pass sizetype to build_range_type.
7640 (build_common_tree_nodes): Use size_int and bitsize_int to
7641 initialize nodes; add bitsize_{zero,one,unit}_node.
7642 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7643 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7644 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7645 (DECL_FIELD_BITPOS): Deleted.
7646 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7647 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7648 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7649 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7650 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7651 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7652 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7653 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7654 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7655 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7656 (DECL_ALIGN): Adjust to new field in union.
7657 (DECL_OFFSET_ALIGN): New field.
7658 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7659 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7660 (union tree_decl): Add struct for both aligns.
7661 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7662 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7663 (struct record_layout_info): Rework fields to have offset
7664 alignment and byte and bit position.
7665 (start_record_layout, place_field): Renamed from old names.
7666 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7667 (byte_position, int_byte_position): Likewise.
7668 (get_inner_reference): Change types of position and length.
7669 * unroll.c (unroll_loop): New variable R; use for some loops.
7670 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7671 (calculate_giv_inc): Arg REGNO now unsigned.
7672 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7673 * varasm.c (assemble_variable): Clean up handling of size using
7674 host_integerp and tree_low_cst.
7675 (decode_addr_const): Use byte, not bit, position.
7676 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7677 use tree_low_cst and int_bit_position.
7678 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7680 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7682 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7683 (reorder_block_def): New members eff_head and eff_end.
7684 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7685 (verify_insn_chain): New function.
7686 (skip_insns_between_block): Add code to skip deleted insns.
7687 Check for note before using.
7688 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7689 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7690 Check for note before using.
7691 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7692 (fixup_reorder_chain): Restructure, clean up, defect removal.
7693 (reorder_basic_blocks): Remove last_insn and references to it.
7694 Moved insn chain verification code into a new function (see above).
7695 Delete defective code that sets last insn.
7696 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7697 all blocks.
7699 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7701 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7703 2000-03-24 Richard Henderson <rth@cygnus.com>
7705 * tree.c (lang_safe_for_unsave): Remove.
7706 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7707 allowing for two levels of unsafeness. Remove lang hook.
7708 * tree.h: Update declarations.
7709 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7710 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7711 Always fail sibcalls when there are pending cleanups.
7713 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7715 * flow.c (propagate_block): When we delete an ADDR_VEC,
7716 also delete the BARRIER following it if there is one.
7718 2000-03-24 Richard Henderson <rth@cygnus.com>
7720 * builtins.c (expand_builtin_bzero): Convert `length' argument
7721 to sizetype.
7723 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7725 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7726 comparison if regno's are equal.
7727 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7728 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7729 (expand_call): Update caller.
7730 Avoid making a sibling call if argument size of the callee is larger
7731 than argument size of the caller.
7732 Call hard_function_value with outgoing set if in sibcall pass.
7733 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7735 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7736 Change LEAF_REGISTERS from an array initializer to actual array
7737 identifier. Move static global variable into the function.
7738 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7739 sequences for leaf functions.
7740 * global.c (global_alloc): Likewise.
7741 * tm.texi (LEAF_REGISTERS): Update documentation.
7743 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7744 TARGET_FLAT leaf disabling hack.
7745 (LEAF_REGISTERS): Changed from an array initializer to actual array
7746 identifier to avoid duplication and remove the above hack.
7747 (FUNCTION_OK_FOR_SIBCALL): Define.
7748 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7749 always like call attribute.
7750 (eligible_for_sibcall_delay): New attribute.
7751 (sibcall): New delay type.
7752 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7753 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7754 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7755 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7756 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7757 New functions.
7758 (output_function_epilogue): Move part of the code into
7759 output_restore_regs.
7760 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7761 TYPE_SIBCALL.
7762 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7763 prototypes.
7765 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7766 until infrastructure is finished.
7768 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
7770 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
7771 (save_parm_insns): Not here.
7773 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7775 * builtins.c (expand_builtin_bzero): New function.
7776 (expand_builtin): Handle bzero.
7778 * builtins.def: Add BUILT_IN_BZERO.
7780 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7781 prototype & function for bzero.
7783 2000-03-23 Michael Meissner <meissner@redhat.com>
7785 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
7786 change adding TARGET_FP to the TF floating point insns, except for
7787 trunctfsf2, which generates direct calls to truncdfsf2.
7789 2000-03-23 Geoff Keating <geoffk@cygnus.com>
7791 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
7792 try to protect against middle-end changes that break binary
7793 compatibility.
7794 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
7796 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7798 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
7800 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7802 * calls.c (expand_call): If TARGET is passed by reference and
7803 is readonly, write a CLOBBER.
7805 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7807 * builtins.c (expand_builtin): Handle bcmp.
7809 * builtins.def: Add BUILT_IN_BCMP.
7811 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7812 prototype & function for bcmp.
7814 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
7816 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
7817 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
7818 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
7820 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
7822 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
7823 alternative when using -fp64 -gp32.
7825 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7827 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
7828 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
7829 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
7831 * frame.h (frame_state): Revert last change.
7832 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
7833 * libgcc2.c (throw_helper): Revert last change.
7835 2000-03-22 Richard Henderson <rth@cygnus.com>
7837 * stmt.c (expand_asm_operands): Don't promote the temporary.
7839 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7841 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
7842 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
7843 c_get_alias_set): Likewise.
7844 * c-decl.c (duplicate_decls): Likewise.
7845 * c-typeck.c (default_conversion,build_unary_op): Likewise.
7846 * calls.c (initialize_argument_information): Likewise.
7847 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
7848 Likewise.
7849 * dwarfout.c (decl_class_context,output_type): Likewise.
7850 * expr.c (get_inner_reference): Likewise.
7851 * fold-const.c (simple_operand_p,fold): Likewise.
7852 * function.c (aggregate_value_p): Likewise.
7853 * stmt.c (expand_asm_operands): Likewise.
7854 * varasm.c (named_section): Likewise.
7856 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7858 Implement dwarf2 exception handling for the ARM.
7859 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
7860 (DWARF_FRAME_RETURN_COLUMN): Define.
7861 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
7862 REG_FRAME_RELATED_EXPR note.
7863 (emit_sfm): Likewise.
7864 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
7865 * dwarf2out.c (reg_save): Handle saving a register to itself.
7866 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
7867 * except.c (eh_regs): Don't use the static chain reg if it's
7868 callee-saved.
7869 * frame.h (frame_state): Add cfa_saved field.
7870 * frame.c (execute_cfa_insn): Set it.
7871 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
7872 the epilogue.
7873 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
7874 Now takes a parm.
7875 (instantiate_virtual_regs): Adjust.
7876 * tm.texi: Adjust.
7877 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7878 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7879 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
7881 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
7882 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
7884 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7886 * builtins.def: New file.
7888 * Makefile.in (TREE_H): Depend on builtins.def.
7890 * builtins.c (built_in_names): Use builtins.def.
7892 * tree.h (built_in_function): Likewise.
7894 2000-03-22 Mark Mitchell <mark@codesourcery.com>
7896 * tree.c (size_in_bytes): Return size_zero_node, not
7897 integer_zero_node.
7899 2000-03-22 Geoff Keating <geoffk@cygnus.com>
7901 * config/fp-bit.c (pack_d): Correct the case when a denormal
7902 is rounded up and stops being denormal.
7904 2000-03-21 Richard Henderson <rth@cygnus.com>
7906 * config/alpha/alpha.c (function_arg): Check for void_type_node
7907 before using MUST_PASS_IN_STACK.
7909 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
7911 * regmove.c (combine_stack_adjustments_for_block): Check that
7912 the stack pointer is a valid memory address.
7914 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
7916 * calls.c: re-install Mar 16 emit_library_call merge.
7918 2000-03-21 Jakub Jelinek <jakub@redhat.com>
7920 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
7921 we cannot be sure that if reload_completed base register will
7922 be properly aligned.
7924 2000-03-21 Richard Henderson <rth@cygnus.com>
7926 * flow.c (delete_block): Fix typo last change.
7928 2000-03-21 Mark Mitchell <mark@codesourcery.com>
7930 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
7931 not COMPLETE_TYPE_P, to check the type of the expression.
7933 2000-03-21 Michael Meissner <meissner@redhat.com>
7935 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
7936 all floating point insns that just tested the macro
7937 TARGET_HAS_XFLOATING_LIBS.
7938 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
7939 used to only use the gprs.
7941 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
7943 * tree.h (COMPLETE_TYPE_P): New macro.
7944 (COMPLETE_OR_VOID_TYPE_P): New macro.
7945 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
7946 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
7947 * c-aux-info.c (gen_type): Use them.
7948 * c-common.c (c_expand_expr_stmt): Likewise.
7949 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
7950 grokdeclarator, grokparms, finish_struct, start_function,
7951 store_parm_decls, combine_parm_decls): Likewise.
7952 * c-parse.y (cast_expr): Likewise.
7953 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
7954 c_size_in_bytes, c_alignof, build_component_ref,
7955 build_indirect_ref, build_array_ref, convert_arguments,
7956 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
7957 * calls.c (initialize_argument_information): Likewise.
7958 * convert.c (convert_to_integer): Likewise.
7959 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
7960 * dwarfout.c (location_or_const_value_attribute,
7961 output_enumeration_type_die, output_structure_type_die,
7962 output_union_type_die, output_type): Likewise.
7963 * expr.c (safe_from_p, expand_expr): Likewise.
7964 * function.c (assign_parms): Likewise.
7965 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
7966 * tree.c (build_array_type, build_function_type,
7967 build_method_type, build_offset_type, build_complex_type): Likewise.
7968 * c-parse.c, c-parse.h: Regenerated.
7970 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7972 * config/c4x/rtems.h: Include config/rtems.h.
7974 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
7976 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
7977 decl is a FUNCTION_DECL
7979 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
7981 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
7982 function uses output registers. Don't save RP for leaf functions.
7983 Do save RP even if no epilogue.
7984 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
7985 (CALL_USED_REGISTERS): Unmark in registers.
7986 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
7987 to near the middle.
7989 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7991 * config/rs6000/rs6000.md (bunordered): New expander.
7992 (bordered): New expander.
7993 (buneq): New expander.
7994 (bunge): New expander.
7995 (bungt): New expander.
7996 (bunle): New expander.
7997 (bunlt): New expander.
7998 (bltgt): New expander.
8000 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
8001 (ccr_bit_negated_p): New function.
8002 (print_operand): For %C, generate appropriate cror for UNEQ,
8003 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
8005 2000-03-20 Andreas Jaeger <aj@suse.de>
8007 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
8008 warning.
8010 * tree.h (safe_for_unsave): Prototype.
8012 2000-03-20 Richard Henderson <rth@cygnus.com>
8014 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
8015 (combine_stack_adjustments_for_block): Don't allow sp references
8016 in the side of a set we're not fixing up.
8017 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
8018 after life_analysis.
8020 2000-03-20 Richard Henderson <rth@cygnus.com>
8022 * calls.c (expand_call): Don't bother generating tail call
8023 sequences if there are pending cleanups. Use
8024 expand_start_target_temps/expand_end_target_temps to elide
8025 cleanups created during sibcall expansion.
8027 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8029 * configure.in: Set $IFS to a value if it doesn't already have one
8030 in the --enable-checking handling.
8031 * configure: Regenerate.
8033 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8035 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
8036 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8037 Regenerated.
8039 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
8041 * jump.c (delete_noop_moves): Remove code attempting to
8042 combine stack adjustments.
8044 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8046 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
8047 * except.c (emit_cleanup_handler): Use them.
8048 (expand_end_all_catch): Likewise.
8049 * function.c (fixup_var_refs): Likewise.
8050 (expand_function_end): Clear catch_clauses_last.
8051 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
8052 * except.h (struct eh_status): New field x_catch_clauses_last.
8053 (catch_clauses_last): New define.
8055 * Makefile.in (tree.o): Depend on HASHTAB_H.
8056 * tree.c: Include hashtab.h.
8057 (struct type_hash): Remove next field.
8058 (TYPE_HASH_SIZE): Remove.
8059 (TYPE_HASH_INITIAL_SIZE): New define.
8060 (type_hash_table): Change type to htab_t.
8061 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
8062 mark_hash_entry): New functions.
8063 (init_obstacks): Allocate type hash.
8064 (type_hash_lookup): Use htab functions.
8065 (type_hash_add, mark_type_hash): Likewise.
8066 (dump_tree_statistics): Call print_type_hash_statistics.
8068 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8070 * rs6000/t-aix41: New file.
8072 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
8074 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
8076 * tm.texi (Driver): Fix typos and tweak entry for
8077 INCLUDE_DEFAULTS.
8078 Move misplaced STRUCT_FORCE_BLK entry ...
8079 (Storage Layout): ... to here.
8080 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
8082 2000-03-19 Richard Henderson <rth@cygnus.com>
8084 * flow.c (delete_block): Delete the addr_vec along with the block.
8085 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
8086 reference labels.
8088 * fold-const.c (extract_muldiv): Apply type check for defined
8089 overflow to multiply as well as divide.
8091 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
8093 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8095 * emit-rtl.c (remove_unncessary_notes): Check that all
8096 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
8097 associated NOTE_BLOCK.
8098 * function.h (identify_blocks): Update comments.
8099 (reorder_blocks): Declare.
8100 * function.c (identify_blocks): Don't take paramters.
8101 (reorder_blocks): Don't take parameters.
8102 * loop.h (find_loop_tree_blocks): Remove.
8103 (unroll_block_trees): Likewise.
8104 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
8105 reorder_blocks instead of unroll_block_trees.h
8106 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
8107 * stmt.c (find_loop_tree_blocks): Remove.
8108 (unroll_block_trees): Likewise.
8109 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
8110 in whole-function mode.
8111 * tree.h (reorder_blocks): Remove declaration.
8113 * expr.c: Include intl.h.
8114 * Makefile.in (expr.o): Depend on intl.h.
8116 2000-03-18 Richard Henderson <rth@cygnus.com>
8118 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
8120 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8122 * tree.h (tree_index): Remove enumerals for integer types.
8123 (integer_type_kind): New type.
8124 (integer_types): New variable.
8125 (char_type_node): Adjust.
8126 (signed_char_type_node): Likewise.
8127 (unsigned_char_type_node): Likewise.
8128 (short_integer_type_node): Likewise.
8129 (short_unsigned_type_node): Likewise.
8130 (integer_type_node): Likewise.
8131 (unsigned_type_node): Likewise.
8132 (long_integer_type_node): Likewise.
8133 (long_unsigned_type_node): Likewise.
8134 (long_long_integer_type_node): Likewise.
8135 (long_long_unsigned_type_node): Likewise.
8136 * tree.c (integer_types): New variable.
8137 (init_obstacks): Register it as a root.
8139 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
8141 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
8142 NEXT_INSN. Update last insn in chain.
8144 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
8146 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
8147 with TYPE_DECL_SUPPRESS_DEBUG set.
8149 2000-03-18 Richard Henderson <rth@cygnus.com>
8151 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
8153 2000-03-18 Richard Henderson <rth@cygnus.com>
8155 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
8156 care for HALF_PIC_P.
8157 (expander_call_insn_operand): Remove.
8158 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
8159 * i386.h (PREDICATE_CODES): Update.
8160 * i386.md (all call expanders): Remove predicates, remove special
8161 handling for half-pic.
8162 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
8163 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
8164 (sibcall_epilogue): New.
8166 2000-03-17 Richard Henderson <rth@cygnus.com>
8168 * rtlanal.c (single_set): Reject if the parallel has anything
8169 except SET or USE or CLOBBER.
8171 2000-03-17 Jeff Law <law@cygnus.com>
8172 Richard Henderson <rth@cygnus.com>
8174 * Makefile.in (OBJS): Add sibcall.o.
8175 (sibcall.o): New.
8176 * sibcall.c: New file.
8177 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
8178 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
8179 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
8180 Emit sibcall patterns when requested. Update all callers.
8181 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
8182 elimination seems feasable.
8183 * final.c (leaf_function_p): Sibling calls don't discount being
8184 a leaf function.
8185 * flow.c (HAVE_sibcall_epilogue): Provide default.
8186 (find_basic_blocks_1): Sibling calls don't throw.
8187 (make_edges): Make edge from sibling call to EXIT.
8188 (propagate_block): Don't remove sibcall_epilogue insns.
8189 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
8190 (sibcall_epilogue): New.
8191 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
8192 (identify_blocks_1): Likewise. Break out from ...
8193 (identify_blocks): ... here.
8194 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
8195 (reorder_blocks): ... here.
8196 (init_function_for_compilation): Zap prologue/epilogue as varrays.
8197 (record_insns): Extend a varray instead of mallocing new memory.
8198 (contains): Read a varray not array of ints.
8199 (sibcall_epilogue_contains): New.
8200 (thread_prologue_and_epilogue_insns): Emit and record
8201 sibcall_epilogue patterns.
8202 (init_function_once): Allocate prologue/epilogue varrays.
8203 * genflags.c (gen_insn): Treat sibcall patterns as calls.
8204 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
8205 Broken out from ...
8206 (save_for_inline_nocopy): ... here.
8207 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
8208 Broken out from ...
8209 (expand_inline_function): ... here.
8210 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
8211 (subst_constants): Handle 'n' formats.
8212 * jump.c (jump_optimize_minimal): New.
8213 (jump_optimize_1): New arg `minimal'; update callers. Elide most
8214 optimizations if it's set.
8215 * rtl.c (copy_rtx): Do copy jump & call for insns.
8216 * rtl.h (struct rtx_def): Document use of jump and call for insns.
8217 (SIBLING_CALL_P): New.
8218 (sibcall_use_t): New.
8219 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
8220 Invoke optimize_sibling_and_tail_recursive_calls.
8221 * tree.c (lang_safe_for_unsave): New.
8222 (safe_for_unsave): New.
8223 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
8225 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
8226 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
8227 (*sibcall_osf_1, *sibcall_value_osf_1): New.
8229 2000-03-17 Mark Mitchell <mark@codesourcery.com>
8231 * objc/objc-act.c (encode_method_prototype): Pass types, not
8232 PARM_DECLs, to int_size_in_bytes.
8234 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
8236 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
8238 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8239 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
8241 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8243 * Clean up usages of TREE_INT_CST_LOW.
8244 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
8245 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8246 Regenerated.
8247 * c-tree.h (min_precision): Move declaration to here.
8248 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
8249 (build_unary_op, add_pending_init): Use bit_position.
8250 (pending_init_member, process_init_element): Likewise.
8251 (really_start_incremental_init, push_init_level, pop_init_level):
8252 Don't make copies of nodes or modify them in place, use consistent
8253 types when tracking positions, and use tree routines computations.
8254 (set_init_index, output_init_element): Likewise.
8255 (output_pending_init_elements, process_init_element): Likewise.
8256 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
8257 tree_low_cst and int_bit_position; also minor cleanup.
8258 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
8259 (print_cst_octal): Precision is unsigned.
8260 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
8261 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
8262 (simple_type_align_in_bits): Result is unsigned int.
8263 Use tree_int_low_cst and host_integerp.
8264 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
8265 (field_byte_offset): Result is HOST_WIDE_INT.
8266 Change types of internal variables so alignments are unsigned int,
8267 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
8268 Use host_integerp, tree_low_cst, and int_bit_position.
8269 (add_bit_offset_attribute): Likewise.
8270 (add_data_member_location_attribute): Use tree_cst_low.
8271 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
8272 (add_bit_size_attribute): Use tree_low_cst.
8273 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
8274 * dwarfout.c: Similar changes to dwarf2out.c.
8275 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
8276 * genoutput.c (n_occurences): Return -1 for null string.
8277 (strip_whitespace): Accept null string and make into function.
8278 (scan_operands): Reflect above changes.
8279 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
8280 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
8281 * ssa.c (rename_registers): Add missing cast of arg to bzero.
8282 * tree.c (int_size_in_bytes): Check for too big to represent.
8283 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
8284 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
8285 New declarations.
8286 (min_precision): Delete from here.
8287 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
8288 and int_bit_position.
8289 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
8290 (encode_method_def): Likewise.
8291 (build_ivar_list_initializer): Use int_bit_position.
8292 (generate_shared_structures): Convert size.
8293 (encode_type, encode_complete_bitfield): Use integer_zerop.
8294 (encode_bitfield): Use tree_low_cst and int_bit_position.
8296 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8298 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
8300 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8302 * call.c (special_function_p): It is only malloc if it returns
8303 Pmode.
8305 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8307 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
8308 (C33_FLAG, TARGET_C3X): Add macros.
8309 (TARGET_SWITCHES): Add -m33 option.
8310 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
8312 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8314 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
8315 (PARALLEL_PACK_FLAG): Delete.
8316 (TARGET_SWITCHES): Update.
8317 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
8319 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8321 * fold-const.c (fold): Fix a few cases when the returned result
8322 is not of the same type as the input.
8324 2000-03-16 Nick Clifton <nickc@cygnus.com>
8326 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8327 warning.
8329 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8331 * libgcc2.h: Move prototypes above macros with the same name.
8332 Wrap some function prototypes in the conditional which indicates
8333 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8335 2000-03-16 Richard Henderson <rth@cygnus.com>
8337 * calls.c: Revert last two changes.
8339 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8341 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8342 has exponent 0 is a zero.
8344 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8345 HASH may already be nonzero. Add code/mode into hash value
8346 immediately after repeat label.
8347 (cselib_lookup): Don't leave the hash table in an inconsistent
8348 state before a hash lookup operation.
8350 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8352 * i386.md (all HI and QI mode non-move patterns): Conditionize
8353 by TARGET_[HQ]IMODE_MATH.
8354 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8355 x86_promote_qi_regs): Declare.
8356 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8357 TARGET_PROMOTE_QI_REGS): New macros.
8358 (PROMOTE_MODE): New macro.
8359 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8360 x86_promote_qi_regs): New global variables.
8362 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8364 * calls.c (emit_library_call_value_1): Break out from ...; handle
8365 VOIDmode function calls too.
8366 (emit_library_call_value): ... here.
8367 (emit_library_call): Implement by calling emit_library_call_value_1.
8369 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8371 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8372 Update arg_space_so_far on stack adjustments.
8373 (emit_library_call, emit_library_call_value): Likewise; take into
8374 account arg_space_so_far and pending_stack_adjust when calculcating
8375 the boundary.
8377 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8379 * flow.c: Move all basic block reordering code into its own file.
8380 (create_basic_block): Externalize.
8381 * bb-reorder.c: New file. Copy all basic block reordering code from
8382 flow.c to this file.
8383 (reorder_basic_blocks): Fix fencepost error in for-loop.
8384 (reorder_basic_blocks): Remove braces from single statement for-loops.
8385 * basic-block.h: Add declaration for create_basic_block.
8386 * Makefile.in: Add rules for bb-reorder.o.
8388 2000-03-16 Neil Booth <NeilB@earthling.net>
8390 * cppinit.c (handle_option): Implement #unassert directive
8391 as -A- command line option.
8392 (print_help): Update.
8393 * cpptexi.c: Update.
8395 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8397 * md.texi (Standard Names): Document `jump'.
8399 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8401 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8402 gotos.
8404 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8406 Merge changes from newppc-branch onto trunk.
8408 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8410 * rs6000.c (toc_hash_table): Update for new hash table functions.
8411 (toc_hash_function): Likewise.
8412 (toc_hash_eq): Likewise.
8413 (toc_hash_mark_entry): Likewise.
8414 (toc_hash_mark_table): Likewise.
8415 (output_toc): Likewise.
8416 (rs6000_add_gc_roots): Likewise.
8418 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8420 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8421 (AR_FLAGS_FOR_TARGET): here. New macro.
8423 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8425 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8426 fpmem_operand) Delete.
8427 (xer_operand) New.
8428 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8429 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8430 (rs6000_save_machine_status, rs6000_restore_machine_status,
8431 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8432 references to above variables.
8433 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8434 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8435 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8436 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8437 (XER_REGNO_P, XER_REGNO): New.
8438 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8439 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8440 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8441 XER_REGNO_P.
8442 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8443 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8444 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8446 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8448 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8449 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8450 * rs6000.h: from here.
8452 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8453 (rs6000_select_rtx_section): Likewise.
8454 (rs6000_encode_section_info): Likewise.
8455 (sdata_section): Likewise.
8456 (sdata2_section): Likewise.
8457 (sbss_section): Likewise.
8458 * sysv4.h (rs6000_select_section): Delete prototype.
8459 (rs6000_select_rtx_section): Likewise.
8460 (rs6000_encode_section_info): Likewise.
8461 (sdata_section): Likewise.
8462 (sdata2_section): Likewise.
8463 (sbss_section): Likewise.
8464 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8466 * sysv4.h: Delete various unnecessary #undef's and put a comment
8467 on the remaining ones.
8468 Change various comments according to coding standard.
8470 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8472 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8473 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8474 (CR0_REGNO_P) Remove.
8475 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8476 setup_incoming_varargs, mtcrf_operation, print_operand,
8477 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8478 Use the above macros.
8480 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8482 * config/rs6000/rs6000.md: Added a new alternative for each
8483 pattern that had a 'x' alternative but no 'y' alternative.
8484 Added a new split for each of the above patterns.
8486 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8488 * aix41.h (ASM_CPU_SPEC): Delete.
8489 (CPP_CPU_SPEC): Delete.
8491 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8492 (ASM_OUTPUT_LABEL): Define.
8493 (ASM_GLOBALIZE_LABEL): Define.
8494 (STRIP_NAME_ENCODING): Define.
8495 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8496 (STRIP_NAME_ENCODING): Don't define.
8497 (ASM_OUTPUT_LABEL): Don't define.
8498 (ASM_GLOBALIZE_LABEL): Don't define.
8499 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8500 names, and ASM_OUTPUT_LABEL to output labels, rather than
8501 asm_fprintf.
8502 (ASM_OUTPUT_LABEL): Define.
8503 (ASM_OUTPUT_INT): Use assemble_name.
8504 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8505 (STRIP_NAME_ENCODING): Don't undefine first.
8506 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8507 ELF.
8508 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8509 specified with 'asm' even with -fleading-underscore.
8510 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8511 (output_epilog): Likewise.
8512 (output_toc): Likewise.
8513 * tramp.asm: Handle -fleading-underscore correctly.
8515 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8516 -mminimal-toc.
8517 (nonlocal_goto_receiver): Delete.
8518 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8520 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8521 (SET_ASM_OP): Define.
8522 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8524 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8525 (ASM_LONG): Define.
8527 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8528 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8530 * rs6000.h: Add 'u' to more constants.
8532 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8534 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8536 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8538 * rs6000.c (reg_or_u_cint_operand): New function.
8539 (logical_operand): Handle 64-bit hosts.
8540 (logical_u_operand): New function.
8541 (non_logical_cint_operand): Handle 64-bit hosts.
8542 (non_logical_u_cint_operand): New function.
8543 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8544 (PREDICATE_CODES): Define new functions.
8545 * rs6000-protos.h: Declare new functions.
8546 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8547 (movdi_64): Bracket code intended for 64-bit hosts. Create
8548 CONST_DOUBLE for 32-bit values.
8549 (scc insns): Generate DImode compares.
8550 (mfcr insns): Create DImode versions.
8551 (sge matchers): New patterns.
8553 2000-02-15 Gabriel Paubert <paubert@iram.es>
8555 * rs6000.md: Correct instructions length attributes and
8556 constraints on unsigned compare instructions.
8557 (*ne0): Disable for PowerPC64.
8559 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8561 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8562 quantity, fix profile1.C test failure under -fPIC.
8564 * rs6000.c: Add 'u' to many constants to suppress warnings.
8565 (constant_pool_expr_1): Make static.
8566 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8567 * rs6000.h: Add 'u' to many constants to suppress warnings.
8569 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8570 for the start of the TOC, instead of LCTOC..0.
8571 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8572 of the TOC.
8573 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8574 (load_toc_aix_di): Use LCTOC..1.
8576 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8577 * rs6000.c (rs6000_legitimize_address): New function from
8578 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8579 symbols in the constant pool that really are TOC references.
8580 (print_operand_address): For ELF, write TOC offsets under
8581 -fPIC as subtractions in the insn.
8582 (output_toc): For ELF, define symbols in TOC as normal labels,
8583 to match RTL.
8584 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8585 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8586 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8587 * rs6000.md (movsi): Only use create_TOC_reference on
8588 symbols in the constant pool that really are TOC references.
8590 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8591 * rs6000.c (rs6000_reorg): Delete.
8592 * rs6000-protos.h (rs6000_reorg): Delete.
8594 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8596 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8598 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8599 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8600 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8601 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8602 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8603 rs6000_aix_emit_builtin_unwind_init.
8604 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8605 rs6000_emit_eh_toc_restore on AIX.
8606 (return_eh_si): Use r2.
8607 (return_eh_di): Use r2.
8609 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8610 since we're breaking binary compatibility anyway.
8612 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8614 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8615 constant_pool_expr_p): Declare them.
8616 (constant_pool_expr_p): Declare it.
8617 * config/rs6000/rs6000.c (toc_label_name): Define.
8618 (rs6000_override_options): Set toc_label_name.
8619 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8620 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8621 uses_TOC): New functions.
8622 (print_operand): Delete old '*' case.
8623 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8624 and strip off rtl for TOC before calling output_addr_const.
8625 (rs6000_emit_load_toc_table): Use toc_label_name.
8626 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8627 the default.
8628 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8629 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8630 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8631 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8632 into explicit TOC_REGISTER offsets.
8633 (TOC_REGISTER): New macro.
8634 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8635 TARGET_TOC to reference TOC_REGISTER.
8636 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8637 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8638 uses_TOC before emitting label references.
8640 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8642 * rs6000.md (stack_tie): Fix warning.
8644 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8645 to handle -fleading-underscore.
8646 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8647 (USER_LABEL_PREFIX): New macro.
8648 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8649 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8650 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8651 call-linux can use the same multilibs.
8652 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8653 and call-linux multilibs. Do multilib with -fleading-underscore.
8654 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8655 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8656 to call-aix.
8658 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8659 have MASK_SOFT_FLOAT set.
8660 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8661 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8662 CPP_FLOAT_DEFAULT_SPEC.
8664 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8665 * rs6000.md: Whitespace change.
8666 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8667 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8669 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8671 * rs6000.md (eh_epilogue): New expander.
8672 (eh_reg_restore): New expand/split/insn combination.
8673 (return_eh_si): New insn.
8674 (return_eh_di): New insn.
8676 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8677 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8678 * eabi-ctors.c (__do_global_ctors): Register this object's
8679 frame. Clean up. Call atexit() after the constructors.
8680 (__do_global_dtors): Deregister this object's frame. Clean up.
8681 Allow for recursive calls to exit().
8682 * rs6000.c (fixuplabelno): New variable.
8683 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8684 TARGET_RELOCATABLE, it slows down exec() under linux.
8685 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8687 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8688 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8689 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8690 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8691 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8692 (ASM_OUTPUT_DWARF_ADDR): New macro.
8693 (ASM_OUTPUT_DWARF_DATA4): New macro.
8694 (ASM_OUTPUT_DWARF_DATA2): New macro.
8695 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8696 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8697 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8699 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8701 * rs6000.c (rs6000_sr_alias_set): New variable.
8702 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8703 (rs6000_emit_stack_tie): New function.
8704 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8705 in a way that dwarf2out can understand.
8706 (rs6000_frame_related): New function.
8707 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8708 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8709 Use rs6000_emit_stack_tie when needed.
8710 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8711 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8712 * rs6000.md (stack_tie): New insn.
8713 (return_internal_si): Allow return value to be in the count
8714 register.
8715 (return_internal_di): Likewise.
8717 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8719 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8721 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8723 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8725 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8727 * rs6000.md (stmw): Use the right POWER opcode.
8728 (lmw): Likewise.
8730 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8732 * rs6000-protos.h: New file.
8734 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8736 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8737 warnings.
8739 * sysv4.h: Likewise.
8741 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8743 * ../../configure.in: Delete powerpcle-*-winnt*
8744 and powerpcle-*-pe|powerpcle-*-cygwin*.
8745 * ../../configure: Regenerated.
8746 * cygwin.h: Delete.
8747 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8748 (TARGET_WINDOWS_NT): Delete.
8749 (ABI_NT): Delete.
8750 (CALL_NT_DLLIMPORT): Delete.
8751 Delete NT-specific code.
8752 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8753 * win-nt.h: Delete.
8754 * t-winnt: Delete.
8755 * nt-ci.asm: Delete.
8756 * nt-cn.asm: Delete.
8757 * ntstack.asm: Delete.
8759 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8761 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8762 (ASM_FILE_START): Likewise.
8763 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8764 (ASM_OUTPUT_LABELREF): Likewise.
8765 (ASM_OUTPUT_SKIP): Likewise.
8766 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8767 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8768 (ASM_OUTPUT_CASE_LABEL): Likewise.
8769 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8770 (ASM_OUTPUT_ASCII): Likewise.
8772 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
8774 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
8775 reload_toc_labelno for non-prologue TOC reloads. Also, don't
8776 increment rs6000_pic_labelno here.
8777 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
8778 and increment rs6000_pic_labelno here.
8780 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
8782 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
8783 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
8784 allocation knows (reg) is dead before the insn.
8786 2000-01-21 Geoff Keating <geoffk@cygnus.com>
8788 * rs6000.md (movsi_to_cr): Correct typo in output template.
8790 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8792 * rs6000.c (rs6000_pic_labelno): Always define.
8793 (rs6000_pic_func_labelno): Delete.
8794 (lmw_operation): Check for a zero base register,
8795 which doesn't mean what we want.
8796 (stmw_operation): New function.
8797 (print_operand): Define new 'l' modifier.
8798 (rs6000_stack_info): We must save all 64 bits of the registers
8799 if TARGET_POWERPC64.
8800 (rs6000_output_load_toc_table): Delete.
8801 (rs6000_emit_load_toc_table): New function.
8802 (rs6000_allocate_stack_space): Delete.
8803 (rs6000_emit_allocate_stack): New function.
8804 (rs6000_emit_prologue): New function.
8805 (output_prolog): Use rs6000_emit_prologue.
8806 (rs6000_emit_epilogue): Change a few variable names to be
8807 more accurate. Restore all 64 bits of the registers if
8808 TARGET_POWERPC64. Only restore the FP registers which were used
8809 if they are being saved/restored one-at-a-time.
8810 (output_mi_thunk): Delete inefficient code generation.
8811 (output_function_profiler): Don't use rs6000_output_load_toc_table.
8812 * rs6000.h: Declare rs6000_emit_load_toc_table,
8813 rs6000_allocate_stack_space, stmw_operation. Don't declare
8814 rs6000_output_load_toc_table.
8815 * rs6000.md (elf_high): Allow register 0, but discourage it
8816 heavily.
8817 (elf_low): Support loading into register 0.
8818 (load_toc_aix_si): New pattern.
8819 (load_toc_aix_di): New pattern.
8820 (load_toc_v4_pic_si): New pattern.
8821 (load_toc_v4_pic_di): New pattern.
8822 (load_toc_v4_PIC_1): New pattern.
8823 (load_toc_v4_PIC_1b): New pattern.
8824 (load_toc_v4_PIC_2): New pattern.
8825 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
8826 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
8827 (prologue): New expander.
8828 (movesi_from_cr): New pattern.
8829 (stmw): New pattern.
8830 (save_fpregs_si): New pattern.
8831 (save_fpregs_di): New pattern.
8833 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8835 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
8836 (movdi): Likewise.
8837 (movhi): Likewise.
8838 (movqi): Likewise.
8840 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8842 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
8843 at present.
8844 (movsi_got_internal): Likewise.
8845 (movsi_got_internal+1): Likewise.
8846 (set_sp): 'unspec 7' does a SImode clobber.
8848 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8850 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
8851 allocate a stack temporary.
8852 (floatsidf2_internal): Likewise.
8853 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
8854 with unspec.
8855 (floatunssidf2): Don't use the fpmem "register", just
8856 allocate a stack temporary.
8857 (floatunssidf2_internal): Likewise.
8858 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
8859 with unspec.
8860 (floatsidf2_loadaddr): Delete.
8861 (floatsidf2_store1): Delete.
8862 (floatsidf2_store2): Delete.
8863 (floatsidf2_load): Delete.
8864 (fix_truncdfsi2): Don't use the fpmem "register", just
8865 allocate a stack temporary.
8866 (fix_truncdfsi2_internal_si): Delete.
8867 (fix_truncdfsi2_internal_di): Delete.
8868 (fix_truncdfsi2_internal): New insn.
8869 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
8870 (fix_truncdfsi2_store): Delete.
8871 (fix_truncdfsi2_load): Delete.
8872 (fctiwz): Produce gen_fctiwz.
8874 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8876 * eabi.h (INVOKE__main): Define.
8877 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
8878 specially.
8879 (rs6000_emit_prologue): Likewise.
8880 * rs6000.h (struct rs6000_stack): Don't keep track of whether
8881 this is the main program.
8883 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8885 * rs6000.c (rs6000_va_arg): Delete some unused variables.
8887 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8889 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
8890 goes after the argument.
8892 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8894 * rs6000.md: Document 'unspec' values used.
8895 (epilogue): New expander.
8896 (movesi_to_cr_one): New expander.
8897 (movesi_to_cr and following): New pattern.
8898 (lmw): New pattern.
8899 (return_internal_si): New pattern.
8900 (return_internal_di): New pattern.
8901 (return_and_restore_fpregs_si): New pattern.
8902 (return_and_restore_fpregs_di): New pattern.
8903 * rs6000.h: Declare new functions.
8904 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
8905 rather than rs6000_calls_p.
8906 (rs6000_makes_calls): Delete.
8907 (lmw_operation): New function.
8908 (mtcrf_operation): New function.
8909 (rs6000_emit_epilogue): New function.
8910 (output_epilog): Call rs6000_emit_epilogue and final if
8911 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
8913 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8915 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
8916 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
8917 * aix.h (SUBTARGET_SWITCHES): Document switches.
8918 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
8919 sched-prolog and sched-epilog the same. Document all the
8920 switches.
8921 (TARGET_OPTIONS): No longer allow -mdebug-.
8923 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8925 * rs6000.h (ASM_FILE_END): Move to aix.h.
8926 (EXTRA_SECTIONS): Move to aix.h.
8927 (READONLY_DATA_SECTION): Move to aix.h.
8928 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
8929 (SELECT_SECTION): Move to aix.h.
8930 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
8931 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
8932 (LINK_REGISTER_REGNUM): New definition.
8933 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
8934 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
8935 AIX and SVR4.
8936 * sysv4.h: Delete the code between the inclusion of rs6000.h
8937 and svr4.h.
8938 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
8939 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
8940 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
8941 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
8942 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
8943 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
8944 (fix_truncdfsi2_internal_di): New pattern.
8945 (fix_truncdfsi2_store): The second arg here is Pmode too.
8946 (fix_truncdfsi2_load): The second arg here is Pmode too.
8947 (tablejumpdi): Now that switch tables hold only SImode values,
8948 gcc needs to know how to add them to the pc which is DImode.
8949 * rs6000.c (rs6000_stack_info): Use symbolic name for
8950 LINK_REGISTER_REGNUM.
8951 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
8952 (output_toc): Delete unused variables s1 and s2.
8953 (output_ascii): Use fputs not fprintf on a variable string.
8955 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8957 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8958 * aix43.h: Revert Aug 2 change.
8959 (HAS_INIT_SECTION): Define, not visible yet.
8960 (LD_INIT_SWITCH): Define, not visible yet.
8961 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8963 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8965 * config/rs6000/rtems.h: Include config/rtems.h.
8967 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8969 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8970 (SLOW_UNALIGNED_ACCESS): Define.
8971 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8972 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8973 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8974 (toc_section): Likewise and .toc pseudo-op.
8975 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8976 64-bit mode.
8977 (TEXT_SECTION_ASM_OP): Likewise.
8978 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8979 32-bit offsets.
8981 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8983 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
8984 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8985 compiling libgcc2.
8987 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8989 * rs6000.h: Move more stuff from here...
8990 * aix.h: to here.
8991 * sysv4.h: Cleanup accordingly.
8992 * netware.h: Likewise
8994 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8996 * rs6000.h: Continue cleanup.
8997 * aix.h: Likewise.
8998 * lynx.h: Likewise.
8999 * netware.h: Likewise.
9000 * sol2.h: Likewise.
9001 * sysv4.h: Likewise.
9002 * win-nt.h: Likewise.
9004 * rs6000.h (TARGET_SWITCHES): Add descriptions.
9005 (TARGET_OPTIONS): Likewise.
9007 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
9008 (SUBTARGET_OPTIONS): Likewise.
9010 * rs6000.md: Fix compile time warnings.
9012 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9014 vxworks patches from the Cygnus tree originally by
9015 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
9016 <vmakarov@cygnus.com>.
9017 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
9018 (ENDFILE_SPEC): Likewise.
9019 (LIB_VXWORKS_SPEC): New macro.
9020 (STARTFILE_VXWORKS_SPEC): New macro.
9021 (ENDFILE_VXWORKS_SPEC): New macro.
9022 (LINK_START_VXWORKS_SPEC): New macro.
9023 (LINK_OS_VXWORKS_SPEC): New macro.
9024 (CPP_OS_VXWORKS_SPEC): New macro.
9025 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
9026 * vxppc.h: Rewrite to use proper configuration method.
9027 * vxppcle.h: New file.
9028 * ../../configure.in: Add powerpcle-wrs-vxworks*.
9029 * ../../configure: Rebuilt.
9031 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9033 Lots of changes to rs6000.h, sysv4.h, aix.h,
9034 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
9035 with the aim that rs6000.h is the first header
9036 included and the others override it.
9037 * aix.h: New file.
9039 * x-aix41-gld: Remove.
9040 * x-aix43: Remove.
9041 * x-aix41: Remove target-specific switches, and don't specify
9042 -Wl,-bbigtoc as we don't need it any more.
9043 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
9044 Use t-aix43 for AIX 4.3 and above.
9045 * ../../configure: Regenerated.
9047 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
9048 options, that don't do anything yet.
9049 (MASK_SCHED_PROLOG): New macro.
9050 (MASK_SCHED_EPILOG): New macro.
9051 (TARGET_SCHED_PROLOG): New macro.
9052 (TARGET_SCHED_EPILOG): New macro.
9054 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9056 * rs6000.c: Correct comment, the `minimal' TOCs are actually
9057 one per translation unit, not one per function.
9058 (output_toc): Also do duplicate constant elimination
9059 for per-translation-unit TOCs.
9061 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
9062 a comment explaining _exactly_ when this pattern gets used.
9063 (builtin_setjmp_receiver): New pattern for better clarity.
9064 (init_v4_pic): Move it into a section dealing with TOC registers.
9066 1999-12-30 Geoff Keating <geoffk@cygnus.com>
9068 * rs6000.c (toc_hash_table): New variable.
9069 (rs6000_hash_constant): New function.
9070 (toc_hash_function): New function.
9071 (toc_hash_eq): New function.
9072 (toc_hash_mark_entry): New function.
9073 (toc_hash_mark_table): New function.
9074 (output_toc): Don't output duplicate TOC entries in
9075 a single file.
9076 (rs6000_add_gc_roots): Add the hash table as a GC root.
9077 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
9078 where they clearly shouldn't be. This may need to be fixed
9079 later when there is a GNU ar for AIX.
9080 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
9081 Don't define BOOT_LDFLAGS as it is now not necessary.
9083 1999-12-29 Geoff Keating <geoffk@cygnus.com>
9085 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
9086 for va_list on AIX. Use unsigned_char_type_node rather than
9087 constructing our own version on svr4.
9089 1999-12-17 Geoff Keating <geoffk@cygnus.com>
9091 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
9092 since patently it's not.
9094 1999-12-08 Geoff Keating <geoffk@cygnus.com>
9096 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
9097 define_expand/define_insn pair, and handle restore of the
9098 SVR4 -fpic register.
9100 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
9102 * acconfig.h (HAVE_GAS_WEAK): New define.
9103 * configure.in (assembler weak support): Check for .weak support.
9104 * config.in, configure: Rebuilt.
9105 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
9106 HAVE_GAS_WEAK is defined.
9108 2000-03-15 Nick Clifton <nickc@cygnus.com>
9110 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
9111 asm_fprintf().
9113 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
9115 * cppfiles.c (open_include_file): New function.
9116 (find_include_file, cpp_read_file): Use it.
9118 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9120 * cpphash.c (dump_hash_helper): Take the slot, not the element.
9122 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
9124 * flow.c (verify_flow_info): Check for unconditional return.
9126 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
9128 * config/ia64/ia64.md (restore_stack_nonlocal): New.
9129 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
9130 (__ia64_restore_stack_nonlocal): New.
9131 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
9133 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9135 * cpphash.c (collect_formal_parameters): Do not complain about
9136 parameter names that just start with `__VA_ARGS__'.
9138 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
9140 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
9141 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
9142 * i386.c (pentiumpro_cost): Set mul cost to 4.
9143 (x86_use_movx): Set for PPro.
9145 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
9147 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
9148 STACK_BOUNDARY for empty frames now.
9150 2000-03-14 Mark Mitchell <mark@codesourcery.com>
9152 * stor-layout.c (layout_union): Remove.
9153 (layout_union_field): New function, split out from layout_union.
9154 (finish_union_layout): Likewise.
9155 (layout_field): Handle unions by calling layout_union_field.
9156 (finish_record_layout): Handle unions.
9157 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
9158 QUAL_UNION_TYPE handling.
9160 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
9162 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
9163 end of basic block is jump_insn, not barrier; use create_basic_block
9164 instead of creating basic block by hand.
9166 2000-03-14 Jason Eckhardt <jle@cygnus.com>
9168 * flow.c (reorder_basic_blocks): Account for barriers when writing
9169 over NEXT_INSN (last_bb->end).
9170 (verify_flow_info): Add check for missing barriers.
9172 2000-03-14 Greg McGary <gkm@gnu.org>
9174 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
9175 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
9176 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
9177 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
9178 __unbounded, __unbounded__): New keywords.
9179 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
9180 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
9181 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
9183 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
9185 * cselib.h: New file.
9186 * alias.c: Include "cselib.h".
9187 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
9188 MEMs as two new arguments.
9189 (get_addr): New static function.
9190 (find_base_term): Handle VALUEs.
9191 (memrefs_conflict_p): Likewise.
9192 (true_dependence): Call get_addr on the addresses.
9193 Call fixed_scalar_and_varying_struct_p with addresses that have been
9194 passed through get_addr and canon_rtx.
9195 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
9196 with true_dependence.
9197 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
9198 * loop.c: Include "cselib.h".
9199 (load_mems): Process extended basic block that enters the loop with
9200 cselib. Use that information to change initialization of the shadow
9201 register so that a constant equivalence is seen by later passes.
9202 * reload1.c: Include "cselib.h".
9203 (reload_cse_invalidate_regno): Delete function.
9204 (reload_cse_mem_conflict_p): Likewise.
9205 (reload_cse_invalidate_mem): Likewise.
9206 (reload_cse_invalidate_rtx): Likewise.
9207 (reload_cse_regno_equal_p): Likewise.
9208 (reload_cse_check_clobber): Likewise.
9209 (reload_cse_record_set): Likewise.
9210 (reg_values): Delete static variable.
9211 (invalidate_regno_rtx): Likewise.
9212 (reload_cse_delete_noop_set): New static function.
9213 (reload_cse_simplify): New static function, broken out of
9214 reload_cse_regs_1.
9215 (reload_cse_noop_set_p): Delete unused argument INSN.
9216 Just call rtx_equal_for_cselib_p on set source and destination.
9217 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
9218 reload_cse_delete_noop_set. Delete code to keep track of values; use
9219 cselib functions instead. Delete code to push/pop obstacks.
9220 (reload_cse_simplify_set): Use cselib to find equivalent values.
9221 Delete code to push/pop obstacks.
9222 (reload_cse_simplify_operands): Likewise.
9223 * rtl.def (VALUE): New rtx code.
9224 * rtl.h (union rtunion_def): New elt rt_cselib.
9225 (X0CSELIB, CSELIB_VAL_PTR): New macros.
9226 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
9227 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
9228 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
9229 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
9230 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
9231 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
9232 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
9233 cselib_record_set, cselib_record_sets): New static functions.
9234 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
9235 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
9236 references_value_p): New functions.
9237 (MAX_USELESS_VALUES, REG_VALUES): New macros.
9238 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
9239 n_useless_values, reg_values, callmem, cselib_obstack,
9240 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
9241 New static variables.
9242 * varray.h (union varray_data_tag): New elt te.
9243 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
9244 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
9245 dependencies.
9247 2000-03-14 Nick Clifton <nickc@cygnus.com>
9249 * gcc.c (do_spec_1): Catch the case where %* is used in a
9250 substitution pattern, but it has not been initialised.
9251 Issue a meaningful error message if an unrecognised operator
9252 is encountered in a spec string.
9254 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
9256 * function.c (prepare_function_start): Correctly initialize
9257 cfun->stack_alignment_needed.
9259 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
9261 * cppfiles.c (find_include_file): Don't assume nshort is a
9262 substring of name.
9264 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
9266 * configure.in (hppa configurations): Add pa32-regs.h to the
9267 list of tm files as appropriate.
9268 * configure: Rebuilt.
9269 * pa.c (compute_frame_size): Remove explicit knowledge about FP
9270 register numbering.
9271 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
9272 (fmpyaddoperands, fmpysuboperands): Likewise.
9273 * pa.h: Remove various definitions which depend on knowing
9274 how registers are numbered.
9275 * pa32-regs.h: New file with PA32 register numbering specific
9276 definitions.
9278 2000-03-14 Richard Henderson <rth@cygnus.com>
9280 * regmove.c (combine_stack_adjustments): New.
9281 (stack_memref_p, single_set_for_csa): New.
9282 (free_csa_memlist, record_one_stack_memref): New.
9283 (try_apply_stack_adjustment): New.
9284 (combine_stack_adjustments_for_block): New.
9285 * rtl.h (combine_stack_adjustments): Declare.
9286 * toplev.c (rest_of_compilation): Call it.
9288 * i386.md: Revert 2000-01-16 change.
9290 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9292 * gccbug.in: Add web category, gcc specific classes.
9294 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
9296 * stor-layout.c (finalize_record_size): Fix typo.
9298 2000-03-14 Stan Shebs <shebs@apple.com>
9300 * c-typeck.c (c_alignof): Error on incomplete types.
9301 * extend.texi (Alignment): Document this.
9303 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9305 * cppfiles.c: Include mkdeps.h.
9306 (find_include_file, read_include_file): Remove _cpp_ prefix
9307 from name, make static.
9308 (_cpp_execute_include): New function, broken out of
9309 do_include.
9311 * cpplib.c: Don't include mkdeps.h.
9312 (struct directive): Remove type field. Reorder entries. The
9313 function takes only one argument.
9314 (struct if_stack): Make type field an int.
9315 (directive_table): Rename to dtable. Generate it, the
9316 prototypes of the directive handlers, and the enum for the
9317 directive numbers, from a template macro.
9318 (do_ifndef, do_include_next, do_import): New functions.
9319 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
9320 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
9321 do_ident, do_assert, do_unassert, do_sccs): Take only one
9322 argument.
9323 (do_sccs): Define always, but alter behavior based on
9324 SCCS_DIRECTIVE.
9325 (_cpp_handle_directive, consider_directive_while_skipping):
9326 Restructure for new directive table layout.
9328 (pass_thru_directive): Take a directive number, not a pointer
9329 to a struct directive.
9330 (parse_include): New function, broken out of do_include.
9331 (do_include, do_import, do_include_next): Use parse_include
9332 and _cpp_execute_include.
9333 (do_elif, do_else): Test for T_ELSE specifically when checking
9334 for #elif/#else after #else.
9335 (parse_ifdef): New function, broken out of do_ifdef.
9336 (validate_else): Expect a name arg without a leading #.
9337 (if_directive_name): Delete.
9338 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9339 directive handlers with only one argument.
9341 * cpphash.h: Update prototypes.
9342 (enum node_type): Remove entries for directives.
9343 * Makefile.in: Update dependencies.
9345 * cpphash.c (dump_hash_helper): Only dump nodes of type
9346 T_MACRO. Emit a newline after each definition.
9348 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9350 * gccbug.in: New file.
9351 * configure.in (all_outputs): Add gccbug.
9352 * Makefile.in (install-common): Install gccbug.
9353 (GCCBUG_INSTALL_NAME): New variable.
9354 * configure: Rebuilt.
9356 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9358 * function.c (put_var_into_stack): Use type_for_mode to calculate
9359 part_type. Use MEM_SET_IN_STRUCT_P.
9360 * expr.c (store_field): Handle CONCAT.
9361 (store_constructor): Use fields_length.
9362 * tree.c (fields_length): New fn.
9363 * tree.h: Declare it.
9365 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9367 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9368 (cpplex.o): New target.
9369 * po/POTFILES.in: Add cpplex.c.
9371 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9372 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9373 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9374 skip_block_comment, skip_line_comment, skip_comment,
9375 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9376 _cpp_parse_name, skip_string, parse_string,
9377 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9378 _cpp_get_directive_token, find_position,
9379 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9380 (maybe_macroexpand, _cpp_lex_token): New functions.
9382 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9383 parse_goto_mark): Delete.
9384 (_cpp_handle_eof): New function.
9385 (_cpp_handle_directive): Rename from handle_directive.
9386 (_cpp_output_line_command): Rename from output_line_command.
9387 (do_if, do_elif): Call _cpp_parse_expr directly.
9388 * cppfiles.c (_cpp_read_include_file): Don't call
9389 init_input_buffer here.
9390 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9391 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9392 here; pop the token_buffer and skip the rest of the line here.
9393 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9394 here.
9396 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9397 Define here.
9398 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9399 CPP_GOTO_MARK): New macros.
9400 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9401 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9402 _cpp_read_and_prescan, _cpp_init_input_buffer,
9403 _cpp_grow_token_buffer, _cpp_get_directive_token,
9404 _cpp_handle_directive, _cpp_handle_eof,
9405 _cpp_output_line_command): Prototype them here.
9406 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9407 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9408 quote_string, output_line_command): Remove.
9410 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9412 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9413 whether it is too large we must also verify that it isn't negative.
9415 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9417 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9418 (movsi_zero_liveg0): Remove.
9419 (movsf_insn_novis_liveg0): Remove.
9420 (negsi2): Remove.
9421 (negsi2_not_liveg0): Rename to negsi2.
9422 (one_cmplsi2): Remove.
9423 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9424 (one_cmplsi2_liveg0): Remove.
9425 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9426 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9427 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9428 (PREDICATE_CODES): Remove zero_operand.
9429 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9430 TARGET_BROKEN_SAVERESTORE.
9431 (zero_operand): Remove.
9432 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9433 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9434 options.
9435 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9436 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9437 TARGET_BROKEN_SAVERESTORE): Remove.
9438 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9439 Remove.
9440 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9441 Remove.
9442 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9443 Remove.
9445 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9447 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9449 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9450 truncating a string. Don't assume tokens are nul terminated.
9451 Problem noted by Andreas Jaeger <aj@suse.de>
9453 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9455 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9456 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9457 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9459 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9461 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9462 STRUCTURE_SIZE_BOUNDARY.
9464 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9466 * tree.h (record_layout_info_s): New structure.
9467 (record_layout_info): New type.
9468 (new_record_layout_info): New function.
9469 (layout_field): Likewise.
9470 (finish_record_layout): Likewise.
9471 * stor-layout.c (layout_record): Remove.
9472 (new_record_layout_info): New function.
9473 (layout_field): New function, broken out from layout_record.
9474 (finalize_record_size): Likewise.
9475 (compute_record_mode): Likewise.
9476 (finalize_type_size): New function, broken out from layout_type.
9477 (finish_record_layout): Likewise.
9478 (layout_type): Use them.
9480 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9482 * cpphash.c: Don't include version.h.
9483 (special_symbol) [case T_VERSION]: Look for the string in
9484 hp->value.cpval; don't use version_string.
9485 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9486 __VERSION__ to version_string.
9487 * Makefile.in (cpphash.o): Update deps.
9489 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9491 Convert cpplib to use libiberty/hashtab.c.
9493 * cpplib.h (struct cpp_reader): Make hashtab and
9494 all_include_files of type 'struct htab *'. Delete HASHSIZE
9495 and ALL_INCLUDE_HASHSIZE macros.
9497 * cpphash.h: Update prototypes.
9498 (struct hashnode): Remove next, prev, and bucket_hdr members.
9499 Make length a size_t. Add hash member.
9500 (struct ihash): Remove next member. Add hash member. Make
9501 name a flexible array member.
9503 * cppfiles.c: Include hashtab.h.
9504 (include_hash): Delete.
9505 (IHASHSIZE): New macro.
9506 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9507 (cpp_included): Do the hash lookup here.
9508 (_cpp_find_include_file): Rewrite.
9509 (cpp_read_file): Put the "fake" hash entry into the hash
9510 table. Honor the control_macro, if it turns out we've seen
9511 the file before. Don't push the buffer here.
9512 (_cpp_read_include_file): Push the buffer here.
9513 (OMODES): New macro. Use it whenever we call open(2).
9515 * cpphash.c: Include hashtab.h.
9516 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9517 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9518 _cpp_lookup_slot): New functions.
9519 (HASHSIZE): new macro.
9520 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9521 (_cpp_lookup): Use hashtab.h routines.
9523 * cppinit.c: Include hashtab.h.
9524 (cpp_reader_init): Call _cpp_init_macro_hash and
9525 _cpp_init_include_hash. Don't allocate hashtab directly.
9526 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9527 pfile->all_include_files.
9528 (initialize_builtins): Use _cpp_make_hashnode and
9529 htab_find_slot to add hash entries.
9530 (cpp_finish): Just call _cpp_dump_macro_hash.
9531 * cpplib.c: Include hashtab.h.
9532 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9533 create hash entries.
9534 (do_pragma_poison, do_assert): Likewise.
9535 (do_include): Don't push the buffer here. Don't increment
9536 system_include_depth unless _cpp_read_include_file succeeds.
9537 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9538 or htab_remove_elt.
9539 (do_pragma_implementation): Use alloca to create copy.
9541 * Makefile.in: Update dependencies.
9543 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9545 * cppinit.c (cl_directive_handler): More K&R fixing.
9547 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9549 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9550 STACK_BOUNDARY.
9551 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9553 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9555 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9556 Change from char[] to macros.
9558 2000-03-12 Neil Booth <NeilB@earthling.net>
9560 * cppinit.c (cpp_start_read): Update indirect function
9561 call to K&R C.
9563 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9565 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9566 entry.
9568 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9569 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9571 2000-03-11 Neil Booth <NeilB@earthling.net>
9573 * cppinit.c (struct pending option): Replace undef with a
9574 pointer to a directive handling routine.
9575 (struct cpp_pending): Replace separate assert_ and define_
9576 lists with one directive_ list.
9577 (new_pending_define): Rename new_pending_directive. Extra
9578 argument is the directive's handling routine.
9579 (handle_option): Update to use new_pending_directive.
9581 2000-03-11 Neil Booth <NeilB@earthling.net>
9583 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9584 remap_filename, _cpp_read_include_file, actual_directory,
9585 hack_vms_include_specification): Replace bcopy(), index() etc
9586 calls. Add casts to some allocations. Make some variables
9587 pointers to const [unsigned] char.
9588 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9589 collect_formal_parameters): Similarly.
9590 * cppinit.c (struct pending_option, append_include_chain,
9591 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9592 cpp_start_read, new_pending_define, handle_option): Similarly.
9593 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9594 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9595 do_pragma_implementation, detect_if_not_defined,
9596 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9597 do_assert, do_unassert): Similarly.
9598 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9599 function prototypes.
9600 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9602 2000-03-10 Richard Henderson <rth@cygnus.com>
9604 * builtins.c (expand_builtin_strlen): Revert last change.
9605 Use emit_insn_before if we're at the beginning of a sequence.
9607 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9609 * builtins.c (expand_builtin_strlen): Make sure that we have something
9610 at the beginning of the sequence.
9612 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9613 deferred inlines.
9615 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9617 2000-03-10 Richard Henderson <rth@cygnus.com>
9619 * except.c (can_throw): Use INTVAL on a CONST_INT.
9620 (reachable_handlers): Likewise.
9621 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9623 2000-03-10 Andreas Jaeger <aj@suse.de>
9625 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9626 MD_STARTFILE_PREFIX since those are not needed on linux.
9627 (ASM_FILE_START): New, from mips/gnu.h.
9629 2000-03-09 Richard Henderson <rth@cygnus.com>
9630 Alex Samuel <samuel@codesourcery.com> and others
9632 * Makefile.in (ssa.o): New rule.
9633 (OBJS): Add ssa.o.
9634 (STAGESTUFF): Add *.ssa and *.ussa.
9635 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9636 * rtl.def (PHI): New RTL expression.
9637 * rtl.h (clear_log_links): New declaration.
9638 (convert_to_ssa): Likewise.
9639 (convert_from_ssa): Likewise.
9640 * flow.c (split_edge): If the entry node falls through to the
9641 split edge's source block, split the entry edge.
9642 (clear_log_links): New function.
9643 * toplev.c (ssa_dump): New variable.
9644 (flag_ssa): Likewise.
9645 (f_options): Add "ssa".
9646 (compile_file): Create SSA dump files.
9647 (rest_of_compilation): Go to and from SSA if enabled.
9648 (decide_d_option): Handle -de for SSA dump files.
9649 * ssa.c: New file.
9651 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9653 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9654 same as VAR_DECL.
9656 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9658 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9660 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9662 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9663 (MD_STARTFILE_PREFIX_1): New macro.
9665 2000-03-09 Robert Lipe <robertl@sco.com>
9667 * config/ia64/ia64.c: Include system.h.
9669 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9671 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9672 (init_eh_nesting_info): Likewise.
9674 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9675 (TREE_NOTHROW): Rename from TREE_RAISES.
9676 * toplev.c (rest_of_compilation): Set it.
9677 * print-tree.c (print_node): Adjust.
9678 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9679 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9680 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9681 REG_EH_REGION note as appropriate.
9682 (libfunc_nothrow): New fn.
9683 (emit_library_call, emit_library_call_value): Use it.
9684 (expand_call): Check TREE_NOTHROW.
9686 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9687 DECL_ASSEMBLER_NAME.
9689 2000-03-09 Andreas Jaeger <aj@suse.de>
9691 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9692 (TARGET_MEM_FUNCTIONS): Define.
9694 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9696 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9698 * except.c (can_throw): See through a SEQUENCE.
9699 (nothrow_function_p): New fn.
9700 * except.h: Declare it.
9701 * function.c (current_function_nothrow): New var.
9702 (prepare_function_start): Initialize it.
9703 * output.h: Declare it.
9704 * toplev.c (rest_of_compilation): Set it.
9705 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9707 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9709 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9710 match. (cpp_compare_defs): Count the nul separator when
9711 advancing over argument names.
9713 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9715 * recog.c (preprocess_constraints): Matching constraints affect
9716 same alternative/different operand, not same operand/different
9717 alternative.
9719 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9720 register and a constant specially.
9722 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9724 * libgcc2.h: New file.
9725 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9727 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9729 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9730 * configure: Regenerate.
9731 * config/ia64: New.
9733 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9735 * Makefile.in (LIBCPP_DEPS): New macro.
9736 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9737 it to declare deps.
9738 * cpperror.c: Include cpphash.h.
9739 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9740 dingleberry.
9741 (lex): Don't use CPP_WARN_UNDEF.
9742 (_cpp_parse_expr): Return an int, the truth value.
9743 * cppfiles.c: Include cpphash.h.
9744 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9745 * cppinit.c (include_defaults_array): Disentangle.
9746 (cpp_cleanup): Don't free the if stack here.
9747 (cpp_finish): Pop off all buffers, not just one.
9748 * cpplib.c (eval_if_expr): Return int.
9749 (do_xifdef): Rename do_ifdef.
9750 (handle_directive): Don't use CPP_PREPROCESSED.
9751 (cpp_get_token): Don't use CPP_C89.
9752 * fix-header.c: Don't use CPP_OPTIONS.
9754 * cpplib.h: Move U_CHAR, enum node_type, struct
9755 file_name_list, struct ihash, is_idchar, is_idstart,
9756 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9757 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9758 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9759 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9760 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9761 of _cpp_simplify_pathname, _cpp_find_include_file,
9762 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9763 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9764 cppinit.c.
9765 Change all uses of U_CHAR to be unsigned char instead.
9766 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9768 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9770 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
9771 (dwarf2out_begin_prologue): Set it.
9772 (output_call_frame_info): Don't emit EH unwind info for leaves.
9774 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
9775 can occur outside of an EH region.
9776 * except.c: Correct comments about rethrow behavior.
9777 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
9779 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
9781 * flow.c (make_edges): Always call make_eh_edge for calls.
9783 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9785 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
9786 (struct cpp_buffer): Remove fname and underflow fields.
9787 (struct cpp_reader): Remove get_token field.
9788 (struct include_hash): Rename to struct ihash. Add typedef to
9789 IHASH.
9790 (struct if_stack): Remove fname field.
9791 (IF_STACK_FRAME): Rename to IF_STACK.
9793 * cpperror.c (print_containing_files): Trust that there are no
9794 macro buffers below the top file buffer.
9795 * cppfiles.c: Replace all references to 'struct include_hash'
9796 with 'IHASH'. Rename initialize_input_buffer to
9797 init_input_buffer. Don't set or reference cpp_buffer->fname,
9798 use buffer->ihash->name instead.
9799 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
9800 not CPP_NULL_BUFFER.
9801 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
9802 IF_STACK_FRAME, IHASH not struct include_hash.
9803 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
9804 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
9805 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
9806 references to cpp_buffer->fname (delete entirely, or use
9807 ->ihash->name instead) and IF_STACK->fname.
9808 (cpp_push_buffer): Don't set new->underflow.
9809 (do_include): Use cpp_file_buffer.
9811 * cpphash.c (collect_formal_parameters): Remove duplicate
9812 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
9813 used as a macro argument name. Don't append "..." to namebuf
9814 for varargs macros. After we're done scanning, go through
9815 namebuf and make it NUL separated, not comma separated.
9816 (_cpp_compare_defs): Remove register tag from variables.
9817 Expect defn->argnames to be NUL separated.
9818 (_cpp_dump_definition): Expect defn->argnames to be NUL
9819 separated and in forward order.
9820 * cpphash.h: Update documentation of argnames field.
9822 2000-03-08 Richard Henderson <rth@cygnus.com>
9824 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
9825 to fail. Don't pre-expand the source operand.
9827 * i386.md (strlensi): Initialize eoschar and align before use.
9829 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9831 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
9832 CONSTRUCTOR element.
9834 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9836 * mips.c (mips_expand_prologue): If the last
9837 named argument is the vararg marker "va_list", treat it as
9838 an unnamed argument.
9840 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
9842 * dbxout.c (dbxout_parms): When correcting for promoted
9843 big-endian parameters, use the mode of the DECL_RTL rather
9844 than UNITS_PER_WORD.
9846 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
9848 * c-common.h (make_fname_decl): Declare.
9849 * c-common.c (make_fname_decl): Define.
9850 (declare_hidden_char_array): Remove.
9851 (declare_function_name): Use make_fname_decl.
9852 * c-decl.c (c_make_fname_decl): New function.
9853 (init_decl_processing): Set make_fname_decl.
9855 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
9857 * cccp.c (handle_directive): Initialize backslash_newlines_p.
9859 2000-03-07 Philipp Thomas <pthomas@suse.de>
9861 * po/POTFILES.in: Remove cppalloc.c from file list.
9863 2000-03-07 Steve Chamberlain <sac@pobox.com>
9865 * pj.c (pj_expand_prologue): current_function->args_info is
9866 now current_function_args_info.
9868 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
9869 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
9870 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
9872 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9874 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
9875 output as hexadecimal rather than the default octal.
9877 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9879 * cpphash.c (special_symbol): Fix thinko in previous commit.
9881 2000-03-07 Neil Booth <NeilB@earthling.net>
9883 * cppexp.c (struct operation, left_shift, right_shift,
9884 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
9885 "int"s to "unsigned int"s.
9886 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
9887 Similarly.
9888 * cpplib.h: Update for above.
9889 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
9890 returned from allocations.
9892 * cppinit.c (opt_comp, parse_options): New functions.
9893 (handle_option): Use parse_option to parse a single command
9894 line option, that possibly takes an argument.
9895 (cpp_handle_options): Sort the array of command line options on
9896 first invocation (non-ASCII hosts only).
9897 (print_help): Update.
9899 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9901 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
9902 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
9904 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
9905 initialized.
9906 * cppinit.c (cpp_cleanup): Free imp->nshort also.
9908 * cpperror.c (cpp_print_containing_files,
9909 cpp_print_file_and_line, v_cpp_message): Rename to
9910 print_containing_files, print_file_and_line, and v_message.
9911 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
9912 to _cpp_parse_expr, parse_escape, and lex.
9913 (parse_charconst): Remove broken multibyte support.
9914 * cppfiles.c (include_hash): Make static.
9915 (cpp_included): New function.
9916 (merge_include_chains, find_include_file, finclude,
9917 simplify_pathname): Rename to _cpp_merge_include_chains,
9918 _cpp_find_include_file, _cpp_read_include_file, and
9919 _cpp_simplify_pathname.
9920 * cpphash.c (cpp_lookup, free_definition, delete_macro,
9921 cpp_install, create_definition, macroexpand, compare_defs,
9922 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
9923 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
9924 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
9925 * cppinit.c (cpp_handle_option): Rename to handle_option, make
9926 static.
9927 * cpplib.c: Remove extern prototype of cpp_parse_expr.
9929 * cpphash.h: Update prototypes.
9930 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
9932 2000-03-07 Andrew Haley <aph@cygnus.com>
9934 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
9935 PTRDIFF_TYPE should be based solely on Pmode.
9936 (SIZE_TYPE): ditto.
9938 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9940 * rtl.h (rtunion_def): Constify member `rtstr'.
9941 (emit_line_note_after, emit_line_note, emit_line_note_force,
9942 emit_note, decode_asm_operands): Constify.
9944 * cse.c (canon_hash): Likewise.
9946 * dbxout.c (dbxout_block): Likewise.
9948 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
9949 v_warning_for_asm): Likewise.
9951 * dwarfout.c (function_start_label): Likewise.
9953 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
9954 emit_line_note_force): Likewise.
9956 * final.c (last_filename, asm_insn_count, final_scan_insn,
9957 output_source_line): Likewise.
9959 * function.h (struct emit_status): Likewise.
9961 * gcse.c (hash_expr_1): Likewise.
9963 * genattr.c (gen_attr, main): Likewise.
9965 * genattrtab.c (struct function_unit, current_alternative_string,
9966 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
9967 attr_numeral, check_attr_test, check_attr_value,
9968 convert_set_attr_alternative, convert_set_attr,
9969 compute_alternative_mask, simplify_by_exploding, gen_attr,
9970 gen_unit): Likewise.
9972 * genflags.c (gen_insn): Likewise.
9974 * gengenrtl.c (type_from_format): Likewise.
9976 * genopinit.c (gen_insn): Likewise.
9978 * genoutput.c (n_occurrences, process_template, process_template):
9979 Likewise.
9981 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9982 Likewise.
9984 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9985 Likewise.
9987 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
9988 ggc_set_mark, ggc_get_size): Likewise.
9990 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
9992 * optabs.c (init_one_libfunc): Likewise.
9994 * output.h (assemble_start_function): Likewise.
9996 * recog.c (decode_asm_operands): Likewise.
9998 * toplev.c (rest_of_compilation): Likewise.
10000 * tree.h (emit_line_note_after, emit_line_note,
10001 emit_line_note_force): Likewise.
10003 * varasm.c (asm_output_bss, asm_output_aligned_bss,
10004 asm_emit_uninitialised, assemble_start_function,
10005 assemble_variable, const_hash, compare_constant_1,
10006 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
10008 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
10010 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
10012 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
10014 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
10016 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
10017 arm_dllimport_name_p): Likewise.
10019 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
10020 Likewise.
10022 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
10024 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10026 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
10027 arm_mark_dllexport, arm_mark_dllimport,
10028 arm_pe_encode_section_info): Likewise.
10030 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
10031 ASM_FINISH_DECLARE_OBJECT): Likewise.
10033 * arm/thumb.c (thumb_function_prologue): Likewise.
10035 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
10037 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10039 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
10041 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
10043 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10045 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10047 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
10048 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
10050 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
10052 * i386/i386.c (asm_output_function_prefix): Likewise.
10054 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
10056 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10058 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
10060 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
10061 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
10062 ASM_OUTPUT_SECTION_NAME): Likewise.
10064 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
10066 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
10068 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
10070 * m32r/m32r.c (m32r_encode_section_info): Likewise.
10072 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10074 * mcore/mcore.c (mcore_encode_section_info): Likewise.
10076 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10078 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10080 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10082 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
10084 * mips/mips.md (movdi, movsi): Likewise.
10086 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10088 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10090 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10092 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10093 ASM_OUTPUT_ASCII): Likewise.
10095 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
10096 output_mi_thunk, output_toc): Likewise.
10098 * rs6000/rs6000.md (movsi): Likewise.
10100 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
10102 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
10104 * v850/v850.c (print_operand, print_operand_address,
10105 v850_encode_data_area): Likewise.
10107 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
10109 * config/mips/mips.md (zero_extendsidi2): Always force operand
10110 one to memory for mips16.
10112 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10114 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
10115 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
10116 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
10117 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
10118 (min_precision): Result is unsigned.
10119 (add_double, neg_double, mul_double): Low word is unsigned.
10120 (lshift_double, rshift_double, lrotate_double): Likewise.
10121 (rrotate_double, div_and_round_double): Likewise.
10122 (tree_floor_log2, compare_tree_int): New functions.
10123 (preserve_rtl_expr_temps): New declaration.
10124 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
10125 (decl_attributes): Use tree_log2 to find alignment.
10126 Check for TREE_INT_CST_HIGH for format args.
10127 (min_precision): Now unsigned.
10128 Use tree_floor_log2.
10129 (truthvalue_conversion): Delete long-disabled code.
10130 * c-decl.c (finish_struct): Clean up tests on field width.
10131 (finish_function): Use compare_tree_int.
10132 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
10133 * c-typeck.c (comptypes): Use tree_int_cst_equal.
10134 (default_conversion, digest_init): Use compare_tree_int.
10135 (build_binary_op): Use integer_all_onesp and compare_tree_int.
10136 Fix type errors in forming masks.
10137 * calls.c (initialize_argument_information): Use compare_tree_int.
10138 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10139 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
10140 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
10141 (store_field): Use compare_tree_int.
10142 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
10143 (expand_expr, case ARRAY_REF): Use compare_tree_int.
10144 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
10145 (do_store_flag): Use compare_tree_int.
10146 * fold-const.c (encode, decode): Low part is always unsigned.
10147 (force_fit_type, add_double, neg_double, mul_double): Likewise.
10148 (lshift_double, rshift_double, lrotate_double): Likewise.
10149 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
10150 (fold_convert): Use compare_tree_int.
10151 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
10152 (invert_truthvalue, case INTEGER_CST): Likewise.
10153 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
10154 * mkdeps.c (deps_dummy_targets): Make I unsigned.
10155 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
10156 (lshift_double, rshift_double, lrotate_double, rrotate_double):
10157 Likewise.
10158 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
10159 (expand_end_case): Use compare_tree_int.
10160 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10161 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
10162 (layout_decl): Likewise.
10163 (layout_record, layout_union): Make sizes unsigned.
10164 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
10165 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
10166 * tree.c (struct type_hash): hashcode is unsigned.
10167 (build_type_attribute_variant, type_hash_list): Likewise.
10168 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
10169 (attribute_hash_list, build_array_type, build_method_type): Likewise.
10170 (build_complex_type): Likewise.
10171 (real_value_from_int_cst): Remove unneeded casts.
10172 (integer_all_onesp): Add casts.
10173 (tree_floor_log2, compare_tree_int): New functions.
10174 (build_index_type): Use tree_int_cst_sgn.
10175 * varasm.c (assemble_variable): Use compare_tree_int.
10177 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
10179 * cpphash.c (collect_expansion): Also catch ## at start of macro.
10181 * varasm.c (make_decl_rtl): Don't add a number to members of
10182 local classes.
10183 (make_function_rtl): Likewise.
10185 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10187 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
10188 patch from 2000-01-28.
10190 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
10192 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
10193 filled with an insn from the jump target.
10195 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10197 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
10198 (c4x_external_ref): Likewise.
10199 * config/c4x/c4x.c (struct name_list): Likewise.
10201 1999-12-16 Ben Collins <bcollins@debian.org>
10203 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
10204 argument to genmultilib.
10205 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
10206 the contents into the multilib.h header.
10207 * gcc.c: Declare multilib_exclusions for the specs file.
10208 (set_multilib_dir): Use it.
10209 (print_multilib_info): Likewise.
10210 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
10211 to pass to genmultilib.
10213 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10215 * builtins.c (built_in_class_names, built_in_names): Constify a
10216 char*.
10218 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
10219 int.
10220 (_mcleanup): Ensure value matches format specifier in sprintf.
10222 * cpphash.c (special_symbol): Don't needlessly cast away
10223 const-ness.
10225 * cppinit.c (base_name): Delete unused prototype.
10227 * mkdeps.c (deps_init): Make definition K&R safe.
10229 * tree.h (built_in_class_names, built_in_names): Constify a
10230 char*.
10232 2000-03-06 Jakub Jelinek <jakub@redhat.com>
10234 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
10235 floating point instructions for epilogue delay.
10237 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
10238 to gas if it supports .register pseudo.
10240 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
10241 LONG_DOUBLE_TYPE_SIZE if not defined.
10242 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
10243 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
10244 * real.c: Likewise.
10245 * gengenrtl.c: Likewise.
10246 * print-rtl.c: Likewise.
10247 * rtl.c: Likewise.
10248 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
10249 MASK_LONG_DOUBLE_128.
10250 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
10251 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
10252 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
10253 (SUBTARGET_SWITCHES): Define.
10254 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
10255 with -mlong-double-128.
10256 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10257 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10258 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10259 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
10260 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
10261 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
10262 with -mlong-double-128.
10263 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10264 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10265 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10266 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
10267 TARGET_LONG_DOUBLE_128): Define.
10268 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
10269 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
10270 long double on TARGET_ARCH64.
10272 2000-03-06 Mark Mitchell <mark@codesourcery.com>
10274 * function.c (free_temps_for_rtl_expr): Don't free slots
10275 that have been pushed into a higher level.
10277 Revert this patch:
10278 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10280 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10282 * basic-block.h (ALLOCA_REG_SET): Remove.
10283 (INITIALIZE_REG_SET): New macro.
10284 * flow.c (update_life_info): Use it.
10285 (calculate_global_regs_live): Likewise.
10286 (propagate_block): Likewise.
10287 * global.c (build_insn_chain): Likewise.
10288 * haifa-sched.c (schedule_region): Likewise.
10290 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
10292 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
10293 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
10294 (DWARF_ARANGES_PAD_SIZE): New define.
10295 (output_aranges): Use it to pad the address range header.
10296 (DWARF_ROUND): Fix for non power of 2 rounding.
10298 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
10300 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
10302 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10304 * tree.def (RTL_EXPR): Update documentation.
10305 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
10306 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
10307 * function.c (preserve_rtl_expr_temp): New function.
10308 (preserve_rtl_expr_temps): Likewise.
10309 (preserve_rtl_expr_result): Use it.
10311 Revert this patch:
10312 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10314 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
10316 * regmove.c (copy_src_to_dest) Do not create src->dest move
10317 for unchanging destination.
10319 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10321 * function.h (struct sequence_stack): Remove rtl_expr.
10322 (struct emit_staus): Likewise.
10323 (seq_rtl_expr): Remove.
10324 * tree.h (free_temps_for_rtl_expr): Don't declare.
10325 (start_sequence_for_rtl_expr): Likewise.
10326 * rtl.h (preserve_rtl_expr_result): Likewise.
10327 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10328 (start_sequence_for_rtl_expr): Remove.
10329 (push_topmost_sequence): Don't save sequence_rtl_expr.
10330 (pop_topmost_sequence): Remove comment about not restoring it.
10331 (end_sequence): Don't set seq_rtl_expr.
10332 (init_emit): Don't initialize it.
10333 (mark_sequence_stack): Don't mark it.
10334 (mark_emit_status): Likewise.
10335 * except.c (protect_with_terminate): Use
10336 start_sequence_for_rtl_expr, not start_sequence.
10337 * expr.c (expand_expr, case RTL_EXPR): Don't call
10338 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10339 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10340 (preserve_rtl_expr_result): Remove.
10341 (free_temps_for_rtl_expr): Likewise.
10342 (pop_temp_slots): Likewise.
10343 (mark_temp_slot): Don't mark the rtl_expr.
10344 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10345 start_sequence_for_rtl_expr.
10347 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10349 * mkdeps.c, mkdeps.h: New files.
10350 * po/POTFILES.in: Add them.
10351 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10352 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10353 (mkdeps.o): New target.
10355 * cppfiles.c: Delete deps_output.
10356 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10357 OBJECT_SUFFIX, and base_name.
10358 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10359 the include hash.
10360 (initialize_dependency_output): Use deps_init,
10361 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10362 all the unnecessary string bashing.
10363 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10364 level.
10365 * cpplib.c (do_include): Use deps_add_dep.
10366 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10367 deps_allocated_size, deps_size, deps_column members with
10368 single pointer to a struct deps. Delete prototype of
10369 deps_output.
10371 * cppinit.c: Fix thinko in previous patch.
10373 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10375 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10376 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10377 (mode_for_size_tree): New function.
10378 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10379 * tree.h (mode_for_size_tree): New declaration.
10381 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10383 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10385 * stmt.c (is_body_block): Move...
10386 * dwarfout.c, dwarf2out.c: ...from here.
10387 * tree.h: Declare it.
10388 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10389 * final.c (final_start_function): Do call remove_unnecessary_notes
10390 when scheduling.
10392 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10394 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10396 * cpplib.h (_dollar_ok): New macro.
10397 (is_idchar, is_idstart): Use it.
10398 (IStable): Rename to _cpp_IStable. Declare it const if
10399 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10400 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10401 is_space): Update for renamed IStable.
10403 * cppinit.c: Delete all references to FAKE_CONST and CAT
10404 macros. Define init_IStable as empty macro if gcc >=2.7 or
10405 C99. Change TABLE() to ISTABLE and hardcode name of table.
10406 (cpp_start_read): Don't change the IStable based on
10407 dollars_in_ident.
10409 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10410 changed. Handle '$' for char1 correctly.
10411 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10413 * cppexp.c (tokentab2): Make const.
10414 (cpp_lex): Make toktab const.
10415 * cppinit.c (include_defaults_array): Make const.
10416 (initialize_standard_includes): Make default_include const.
10418 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10420 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10421 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10422 (gen_decl_die): Likewise.
10423 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10424 (output_decl): Likewise.
10426 * varasm.c (make_function_rtl): If we change the name used in the
10427 rtl, update DECL_ASSEMBLER_NAME accordingly.
10428 (make_decl_rtl): Likewise.
10430 * toplev.c (rest_of_compilation): Tweak formatting.
10432 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10433 remove_unnecessary_notes.
10434 (debug_ignore_block): New fn.
10435 * toplev.h: Declare it.
10436 * emit-rtl.c (remove_unncessary_notes): Call it.
10437 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10438 * dwarf2out.h: Declare it.
10439 * final.c (final_start_function): Don't call remove_unnecessary_notes
10440 if we did insn scheduling.
10442 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10444 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10445 * cpplib.h: Delete SET_CPP_PEDANTIC.
10447 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10449 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10450 result is a RECORD_TYPE.
10452 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10454 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10456 2000-03-03 Richard Henderson <rth@cygnus.com>
10458 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10459 addition over compliments over shifts.
10461 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10463 * reload1.c (reload_combine_note_use): Handle return register USEs.
10464 REG case: Handle multi-hard-register hard regs.
10466 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10468 * md.texi: Document use of '*' in insn pattern name.
10470 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10472 * calls.c (special_function_p): operator new may not be malloc-like.
10474 * gcse.c (dump_hash_table): Really fix error in last change.
10476 2000-03-02 Denis Chertykov <denisc@overta.ru>
10478 * avr.c (print_operand): Use print_operand_address instead of
10479 output_addr_const.
10480 * avr/libgcc.S: Cleanup code.
10482 2000-03-02 Richard Henderson <rth@cygnus.com>
10484 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10486 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10488 * tree.h (TYPE_ALIGN_UNIT): New macro.
10490 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10492 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10494 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10496 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10497 for the buffer.
10498 (SET_CPP_PEDANTIC): New macro.
10499 * cpplib.c (do_include): Don't bother checking system_header_p.
10500 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10501 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10503 * function.h (struct expr_status): Add x_arg_space_so_far.
10504 (arg_space_so_far): New macro.
10505 * expr.c (init_expr): Initialize it.
10506 * calls.c (emit_call_1): Reset it.
10507 (compute_argument_block_size, expand_call): Use it.
10508 (expand_call, store_one_arg): Increment it.
10510 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10512 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10513 a UNION_TYPE.
10515 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10517 * cppfiles.c (cpp_read_file): New function.
10519 * cpphash.c (collect_expansion): Make sure to reset last_token
10520 to NORM when we hit a string. Handle trailing whitespace
10521 properly when the expansion is empty.
10522 (create_definition): Disable line commands while parsing the
10523 directive line.
10524 (dump_definition): If pfile->lineno == 0, output a line
10525 command ahead of the dump, and add a trailing newline.
10527 * cppinit.c (append_include_chain): Add fifth argument, which
10528 indicates whether or not system headers are C++ aware.
10529 (initialize_standard_includes): New function,
10530 broken out of read_and_prescan. Pass 'cxx_aware' value from
10531 the include_defaults_array on to append_include_chain.
10532 (dump_special_to_buffer): Const-ify char array.
10533 (builtin_array): Don't dump __BASE_FILE__.
10534 (cpp_start_read): Use cpp_read_file. Reorder code for
10535 clarity. Don't output line commands here for -D/-A/-U
10536 switches. Don't call deps_output for files included with
10537 -include or -imacros.
10539 * cpplib.c (do_define): Don't pay any attention to the second
10540 argument.
10541 (cpp_expand_to_buffer): Disable line commands while scanning.
10542 (output_line_command): Work in the file buffer.
10543 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10544 Fix formatting of comments. Prototype cpp_read_file.
10546 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10548 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10549 reference the language-equivalent of sizetype.
10550 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10551 * fold-const.c (size_binop, size_diffop): Put back checks.
10552 * gcse.c (dump_hash_table): Fix minor error in last change.
10553 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10554 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10555 all sizetypes.
10557 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10559 * calls.c (expand_call) Do not attempt to combine stack adjustments
10560 with inhibit_defer_pop set.
10562 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10564 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10565 the DECL_SIZE for a FIELD_DECL.
10567 2000-03-01 Bruce Korb <bkorb@gnu.org>
10569 * fixinc/inclhack.tpl: remove unused symlinks
10570 * fixinc/README: GCC Maintainer info
10571 * fixinc/inclhack.sh: regen
10572 * fixinc/fixincl.sh: regen
10574 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10576 * cpphash.c (collect_expansion): Trim trailing white space
10577 from macro definitions, but don't go past the last insertion
10578 point.
10580 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10582 * i386.md (mulqi3): New pattern.
10584 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10586 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10587 token types.
10588 (struct cpp_reader): Add parsing_if_directive and
10589 parsing_define_directive flags.
10590 (struct cpp_options): Remove output_conditionals flag.
10591 (check_macro_name): Delete prototype.
10593 * cpphash.h (struct macrodef): Delete.
10594 (struct reflist): Separate from struct definition.
10595 (struct definition): Remove unused fields. Add column number.
10596 (create_definition): Returns a DEFINITION *. Takes a
10597 cpp_reader * and an int.
10599 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10600 (PEEKC): Copy defn from cpplib.c.
10601 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10602 (struct arg): New.
10603 (struct arglist): Simplify.
10604 (collect_expansion): Rewrite. Get tokens by calling
10605 cpp_get_token. Add more error checking.
10606 (collect_formal_parameters): New function, broken out of
10607 create_definition and reworked to use get_directive_token.
10608 (create_definition): All real work is now in collect_expansion
10609 and collect_formal_parameters. do_define handles finding the
10610 macro name. Return a DEFINITION, not a MACRODEF.
10611 (macroexpand): Replace bcopy with memcpy throughout. Replace
10612 character-at-a-time copy loop with memcpy and pointer increments.
10613 (compare-defs): d1->argnames / d2->argnames might be null.
10615 * cpplib.c (copy_rest_of_line): Delete function.
10616 (skip_rest_of_line): Do all the work ourselves.
10617 (skip_string): New function.
10618 (parse_string): Use skip_string.
10619 (get_macro_name): New function.
10620 (check_macro_name): Delete.
10621 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10622 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10623 (handle_directive): ICE if we're called on a macro buffer.
10624 (do_define): Determine macro name and type (funlike/objlike)
10625 here. Expunge all uses of MACRODEF.
10626 (cpp_push_buffer): Set line_base to NULL.
10627 (do_undef, read_line_number): Don't worry about getting a POP token.
10628 (eval_if_expression): Set/reset parsing_if_directive around
10629 cpp_parse_expr. Don't clear only_seen_white.
10630 (skip_if_group): Remove output_conditionals logic. Use
10631 skip_rest_of_line.
10632 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10633 tokens under appropriate conditions.
10634 (cpp_unassert): Call do_unassert not do_assert. Oops.
10636 * cppexp.c (parse_defined): New function, break out of
10637 cpp_lex.
10638 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10639 ourselves, with cpp_defined.
10640 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10642 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10643 * gcc.dg/strpaste-2.c: New.
10645 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10647 * fold-const.c (size_binop): Don't asert inputs are the same and
10648 have TYPE_IS_SIZETYPE set.
10649 (size_diffop): Likewise.
10651 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10653 * dwarfout.c (output_block): Output abstract blocks even if they
10654 don't have TREE_ASM_WRITTEN set.
10656 * calls.c (emit_library_call): Check for null REG.
10658 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10660 * c-decl.c (current_function_decl): Move to toplev.c.
10661 (init_decl_processing): Don't add current_function_decl as a ggc
10662 root here.
10663 * dbxout.c (dbxout_symbol): Change return type to int.
10664 (dbxout_symbol_location, dbxout_syms): Likewise.
10665 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10666 any locals. Use current_function_func_begin_label if set.
10667 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10668 * dwarf2out.c (dwarf2out_begin_prologue): Set
10669 current_function_func_begin_label.
10670 * final.c (final_start_function): Reset it.
10671 * toplev.c (current_function_decl): Define it here.
10672 (current_function_func_begin_label): New variable.
10673 (main): Add both as ggc roots.
10674 * tree.h (current_function_func_begin_label): Declare.
10676 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10678 * gcse.c: Cleanups throughout: mostly white-space, but also
10679 some minor rearrangement of code.
10681 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10683 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10684 returns a PARALLEL. Use emit_group_load and use_group_regs
10685 as needed.
10686 (emit_library_call_value): Similarly.
10688 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10689 * pa/quadlib.asm: Remove.
10690 * pa/quadlib.c: New file.
10692 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10693 * configure: Rebuilt.
10695 2000-02-29 Philip Blundell <pb@futuretv.com>
10697 * config/arm/conix-elf.h: New file.
10698 * configure.in (arm*-*-conix*): New configuration.
10699 * configure: Regenerate.
10701 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10703 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10704 don't have TREE_ASM_WRITTEN set.
10706 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10708 * Eliminate DECL_FIELD_SIZE.
10709 * builtins.c (built_in_class_names, built_in_names): New variables.
10710 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10711 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10712 DECL_SIZE, not DECL_FIELD_SIZE.
10713 * print-tree.c (print_node): Remove code that prints extra blank
10714 lines in some cases.
10715 Properly handle inline and builtin function cases.
10716 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10717 * tree.h (built_in_class_named, built_in_names): New declarations.
10718 (union tree_decl): Rename internal unions to u1 and u2 and change
10719 some of their components.
10720 Add new field built_in_class.
10721 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10722 Reflect above changes.
10723 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10724 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10725 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10726 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10728 2000-02-28 Dmitri Makarov <dim@windriver.com>
10730 * extend.texi: Document ARM's support for long/short calls.
10732 * invoke.texi: Document ARM's -mlong-calls command line switch.
10734 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10735 (arm_encode_call_attribute): Add prototype.
10736 (arm_set_default_type_attribute): Add prototype.
10737 (arm_strip_name_encoding): Add prototype.
10739 * config/arm/arm.c (arm_init_cumulative_args): replace
10740 initialisation og 'long_calls' field with initialisation of
10741 'call_cookie' field.
10742 (enum arm_pragma_enum): New enum.
10743 (arm_pragma_long_calls): New static variable.
10744 (arm_process_pragma): Also process "#pragma long_calls_off".
10745 (arm_valid_type_attribute_p): Accept short_call attribute.
10746 (arm_comp_type_attributes): Check long/short call attributes.
10747 (arm_encode_call_attribute): New function: Encode long_call
10748 or short_call attribute in function name.
10749 (arm_set_default_type_attributes): New function: Assign
10750 default attributes to newly defined type.
10751 (current_file_function_operand): New function: Return true if
10752 the symbol is a function which has already been compiled.
10753 (arm_is_longcall_p): New function: Return true if the
10754 indicated function should be called via a long call.
10755 (arm_get_strip_length): New function. Returns number of
10756 prefix characters to be stripped from a function's name.
10757 (arm_strip_name_encoding): New function. Strip prefix characters
10758 from a function's name.
10760 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10761 with 'call_cookie'.
10762 (SHORT_CALL_FAG_CHAR): Define.
10763 (LONG_CALL_FAG_CHAR): Define.
10764 (ENCODED_SHORT_CALL_ATTR_P): Define.
10765 (ENCODED_LONG_CALL_ATTR_P): Define.
10766 (ARM_NAME_ENCODING_LENGTHS): Define.
10767 (STRIP_NAME_ENCODING): Define.
10768 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10769 (ARM_ENCODE_CALL_TYPE): Define.
10770 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
10771 (ARM_DECLARE_FUNCTION_SIZE): Define.
10772 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
10774 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
10775 if a long call is needed.
10776 (call_value): Ditto.
10777 (call_symbol): Ditto.
10779 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
10780 ARM_DECLARE_FUNCTION_SIZE.
10782 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
10783 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
10784 (ARM_STRIP_NAME_ENCODING): Undefine.
10785 (STRIP_NAME_ENCODING): Undefine.
10786 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
10787 (ASM_DECLARE_FUNCTION_NAME): Ditto.
10788 (ASM_OUTPUT_COMMON): Ditto.
10789 (ASM_DECLARE_OBJECT_NAME): Ditto.
10791 * config/arm/pe.c (arm_dllexport_name_p): Check for
10792 ARM_PE_FLAG_CHAR.
10793 (arm_dllimport_name_p): Ditto.
10794 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
10795 (arm_mark_dllimport): Ditto.
10797 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10799 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
10801 2000-02-28 Mark Mitchell <mark@codesourcery.com>
10803 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
10805 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
10807 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
10808 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
10809 NO_BUILTIN_WCHAR_TYPE is not defined.
10810 (CPP_WCHAR_TYPE): Delete.
10811 * cccp.c (main): Don't change wchar_type if cplusplus.
10812 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
10814 2000-02-28 Nick Clifton <nickc@cygnus.com>
10816 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
10818 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
10820 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
10821 (ASM_WEAKEN_LABEL): Define.
10823 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
10825 * expr.c (store_constructor): Do not emit USE.
10826 * rtl.h (stupid_life_analysis): Remove.
10828 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10830 * function.c (number_blocks): Reset next_block_index based on
10831 what debugging format is used, not what is defined.
10833 * lcm.c: Minor reformatting throughout.
10834 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
10836 * toplev.c (rest_of_compilation): Account for time in
10837 optimize_mode_switching.
10839 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
10840 if only marking labels.
10842 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
10844 * calls.c (expand_call): Attempt to combine stack adjustments with
10845 pending stack adjustments.
10847 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10849 * loop.c (reg_in_basic_block_p): Don't abort when falling through
10850 to the end of the function.
10852 2000-02-27 Mark Mitchell <mark@codesourcery.com>
10854 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
10855 blocks.
10856 * final.c (next_block_index): Remove.
10857 (max_block_depth): Likewise.
10858 (pending_blocks): Likewise.
10859 (init_final): Don't initialize them.
10860 (final_start_function): Don't set next_block_index. Set up
10861 BLOCK_NUMBER.
10862 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
10863 * function.h (number_blocks): New function.
10864 * function.c (get_block_vector): New function.
10865 (identify_blocks): Use it.
10866 (reorder_blocks): Set NOTE_BLOCK.
10867 (number_blocks): New function.
10868 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
10869 * tree.h (BLOCK_NUMBER): New macro.
10870 (tree_block): Add block_num field.
10871 * dbxout.c (next_block_number): Remove.
10872 (dbxout_init): Don't set it.
10873 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
10874 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
10875 block numbers.
10876 * toplev.c (rest_of_compilation): Always call
10877 find_loop_tree_blocks. Fix indentation.
10878 * dwarf2out.c (next_block_number): Remove.
10879 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10880 to determine block numbers.
10881 (gen_inlined_subroutine_die): Likewise.
10882 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
10883 (decls_for_scope): Don't increment next_block_number.
10884 * dwarfout.c (next_block_number): Remove.
10885 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10886 to determine block numbers.
10887 (output_inlined_subroutine_die): Likewise.
10888 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
10889 (output_decls_for_scope): Don't increment next_block_number.
10890 * sdbout.c (next_block_number): Remove.
10891 (sdbout_block): Use BLOCK_NUMBER.
10892 (sdbout_begin_block): Simplify.
10893 * xcoffout.c (next_block_number): Remove.
10894 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
10895 (xcoffout_begin_block): Don't set next_block_number.
10896 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
10897 next_block_number.
10899 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10901 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
10902 (expand_builtin_strcpy): Pass correct type to size_binop.
10903 (expand_builtin_strcmp): Likewise.
10904 Clean up conditional structure.
10905 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
10906 (complete_array_type): Don't use size_binop for MAXINDEX.
10907 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
10908 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
10909 (c_alignof): Use size_one_node.
10910 (build_unary_op): Pass arg of proper type to size_binop.
10911 (really_start_incremental_init, push_init_level): Use sizetype for
10912 constructor{,_bit,_unfilled}_index.
10913 (pop_init_label, output_init_element): Likewise.
10914 (output_pending_init_elements, process_init_element): Likewise.
10915 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
10916 * expr.c (store_expr): Use size_int.
10917 (store_constructor): Use proper types for size_binop args.
10918 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
10919 (expand_expr_unaligned): Likewise.
10920 (string_contant): Return object of sizetype.
10921 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
10922 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
10923 (ARGS_SIZE_TREE): Pass proper types to size_binop.
10924 * fold-const.c (int_const_binop): Refine when size_int is called.
10925 (fold_convert): Likewise.
10926 (size_int_wide): Rework to take KIND as arg, only take low order
10927 bits, handle new sizetype_tab datatype, and chain entries in
10928 size_table.
10929 (size_int_type_wide): New function.
10930 (size_binop): Validate types of arguments.
10931 (ssize_binop): Deleted.
10932 (size_diffop): New function.
10933 (extract_muldiv): Only fold division into multiplication for sizetypes.
10934 * function.c (assign_parms): Use size_diffop and make sure
10935 VAR field is of ssizetype; also pass proper type to size_binop.
10936 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
10937 (round_down): Deleted from here.
10938 * store-layout.c (sizetype_tab): Now an array.
10939 (sizetype_set, early_root_list): New variables.
10940 (variable_size): Use size_one_node.
10941 (round_up): Pass proper type to size_binop.
10942 (round_down): Moved to here and corrected as above.
10943 (layout_record): Pass proper arg types to size_binop.
10944 (layout_type): Likewise.
10945 If sizetype_set is zero, record the type just laid out.
10946 (make_unsigned_type): Don't call set_sizetype;
10947 (make_signed_type): Likewise; also, call fixup_signed_type.
10948 (initialize_sizetypes): New function.
10949 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
10950 set name of bitsizetype to "bit_size_type".
10951 Fix up type of sizes of all types made before call.
10952 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
10953 * tree.c (fix_sizetype): Deleted.
10954 (build_common_tree_nodes): Call initialize_sizetypes.
10955 (build_common_tree_nodes_2): Don't call fix_sizetype.
10956 * tree.h (TYPE_IS_SIZETYPE): New macro.
10957 (initialize_sizetype): New declaration.
10958 (enum size_type_kind): New type.
10959 (struct sizetype_tab): Deleted.
10960 (sizetype_tab): Now array; adjust sizetype macros.
10961 (size_diffop, size_int_type_wide): New functions.
10962 (size_int_wide): Change number of args and type; access macros changed.
10963 (ssize_int, sbitsize_int): New macros.
10964 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
10965 (ROUND_TYPE_SIZE_UNIT): New macro.
10967 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
10969 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
10971 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10973 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
10974 Mark as possibly unused.
10976 * cse.c (cse_insn): Delete dead code involving tablejump.
10977 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
10979 * Makefile.in (libcpp.a): Start by deleting it.
10981 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10983 * cpplib.h (enum file_change_code): Added rename_file.
10984 * cpplib.c (do_line): If a filename is given, set file_change to
10985 rename_file.
10986 (output_line_command): If file_change is rename_file, always
10987 output a # directive with the file name.
10989 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
10991 2000-02-26 Mark Mitchell <mark@codesourcery.com>
10993 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
10994 when copying a PARM_DECL or RESULT_DECL.
10996 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10998 * fix-header.c (recognized_function): Also fix prototypes for
10999 functions taking "void".
11001 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11003 * reload1.c (do_output_reload): Check reg_reloaded_valid before
11004 looking at reg_reloaded_contents.
11006 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
11008 * Makefile.in (STMP_FIXINC): New toggle.
11009 (LIBGCC2_DEPS): Delete all references.
11010 (stmp-headers): Delete target. All references either deleted
11011 or changed to stmp-int-headers.
11012 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
11013 (LIBCPP_OBJS): Take out cppalloc.o.
11014 (cppalloc.o): Delete target.
11015 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
11016 (gen-protos, fix-header): Link with libiberty.a.
11017 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
11018 to empty.
11020 * configure.in: Remove refs to strerror.
11021 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
11022 * system.h: Take out strerror stanza.
11024 * cpperror.c (my_strerror): Delete function.
11025 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
11026 * cppmain.c (main): Call xmalloc_set_program_name first thing.
11027 * cppalloc.c: Delete file.
11028 * gen-protos.c: Don't provide xrealloc.
11030 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
11031 xstrerror throughout.
11033 2000-02-26 Bruce Korb <bkorb@gnu.org>
11035 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
11036 match for DOS headers, too.
11037 * fixinc/inclhack.sh,fixincl.x: Regenerate.
11039 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11041 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
11042 is right for most ELF targets.
11043 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
11044 Let the default file use %U properly.
11045 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
11046 default.
11048 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
11049 numbers.
11051 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11053 * toplev.c (documented_lang_options): Correct spelling error.
11054 (decode_d_option, decode_f_option, main): Likewise.
11056 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
11058 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
11059 to tell assembler it is permitted to expand large constants.
11061 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
11063 * protoize.c: (AUX_INFO_SUFFIX): New macro.
11064 (aux_info_suffix): Use.
11065 (SAVE_SUFFIX): New macro.
11066 (save_suffix): Use.
11067 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
11068 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
11069 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
11071 * invoke.texi (Running Protoize): Update documentation.
11073 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
11075 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
11077 2000-02-25 John Wehle (john@feith.com)
11079 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
11081 2000-02-25 Anthony Green <green@cygnus.com>
11083 * toplev.c (rest_of_compilation): Rebuild jump labels if
11084 combine_instructions has created a new direct jump.
11085 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
11086 when appropriate.
11087 (combine_instructions): Call try_combine with new argument.
11088 Return non-null value when new direct jump instruction is created.
11089 * rtl.h: combine_instructions returns an int.
11091 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
11093 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
11094 jump when changing a computed jump into a jump to a known
11095 target.
11097 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
11099 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
11100 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
11102 * i386.md (define_expand "clrstrsi"): Fix typo.
11104 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
11106 * rtl.texi: Fix typo.
11108 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11110 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
11111 UNITS_PER_WORD. Change caller initial_elimination_offset.
11112 (rounded_frame_size): Take into account that argument pushed has
11113 changed. Fix TARGET_ALIGN_DOUBLE problem.
11115 2000-02-25 Geoff Keating <geoffk@cygnus.com>
11117 * haifa-sched.c (schedule_block): Explain the real reason
11118 we delete REG_SAVE_NOTEs on the first insn of a block.
11119 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
11121 2000-02-24 Mark Mitchell <mark@codesourcery.com>
11123 * input.h (push_srcloc): New function.
11124 (pop_srcloc): Likewise.
11125 * toplev.c (push_srcloc): Define it.
11126 (pop_srcloc): Likewise.
11128 2000-02-24 Richard Henderson <rth@cygnus.com>
11130 * flow.c (life_analysis): When collecting reg info, clear
11131 regs_ever_live.
11133 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11135 Fix bug exposed by reload.c no longer rounding the frame
11136 size to BIGGEST_ALIGNMENT:
11137 * sh.c (rounded_frame_size): New function.
11138 (sh_expand_prologue, sh_expand_epilogue): Use it.
11139 (initial_elimination_offset): Likewise.
11141 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11143 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
11144 * sh-protos.h (sh_need_epilogue): Declare.
11145 * sh.c (sh_need_epilogue_known): New static variable.
11146 (sh_need_epilogue): New function.
11147 (function_epilogue): Clear need_epilogue_known.
11148 * sh.md (return): Split into expander / insn pattern.
11149 Make the expander conditional on ! sh_need_epilogue ().
11151 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
11153 * machmode.h (get_mode_alignment): Declare.
11154 (GET_MODE_ALIGNMENT): Call it.
11155 * stor-layout.c (get_mode_alignment): New function. Make
11156 sure alignment is always power of 2.
11158 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11160 * i386.h: Remove useless definition of "I386" and misleading
11161 comment above it.
11163 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11165 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
11166 under which TREE_PERMANENT will be set.
11167 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
11168 build1): Use TREE_SET_PERMANENT.
11169 * print-tree.c (print_node): Don't report value of
11170 TREE_PERMANENT if ggc_p is true.
11172 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
11173 decide whether to give a type a new alias set.
11174 * objc/objc-act.c (build_objc_string_object): Never copy the string.
11175 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
11176 of value of 'obstack'.
11179 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11181 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
11183 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11185 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
11186 * cpplib.c (cpp_get_token): Produce them.
11187 * cppexp.c (cpp_lex): Handle them.
11189 2000-02-23 Nick Clifton <nickc@cygnus.com>
11191 * config/arm/arm.c (arm_comp_type_attributes): Simply and
11192 comment tests on type attributes.
11194 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11196 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
11197 conform to documentation.
11198 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
11199 to check for special cases.
11200 * sh-protos.h (sh_loop_align): Declare.
11201 * sh.c (sh_loop_align): Define.
11203 2000-02-22 Andrew Haley <aph@cygnus.com>
11205 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
11206 (SIZE_TYPE): Is 32 bits when using -mgp32.
11207 (PTRDIFF_TYPE): Ditto.
11209 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11211 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
11213 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11215 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
11216 BIGGEST_FIELD_ALIGNMENT a constant.
11218 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
11220 * dwarf2out.c (output_line_info): Put the marker for the end of
11221 the line number info at the actual end.
11222 (gen_struct_or_union_type_die): Use decl_function_context
11223 to check for local classes.
11224 * dwarfout.c (output_type): Likewise.
11226 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
11228 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
11229 for arguments with a mode, but no type.
11230 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
11231 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
11232 * pa/long_double.h: New file.
11233 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
11234 both have 128bit wide long doubles.
11235 * configure: Rebuilt.
11237 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11239 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
11241 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
11242 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
11243 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
11245 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
11247 * integrate.c (compare_blocks, find_block): Likewise.
11249 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
11251 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
11253 * stmt.c (stmt_status, set_file_and_line_for_stmt,
11254 expand_asm_operands): Likewise.
11256 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
11258 * predict.c (estimate_probability): Added the pointer heuristic to
11259 the collection of static branch predictors.
11261 2000-02-21 Catherine Moore <clm@cygnus.com>
11263 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
11264 * invoke.texi (-mfix7000): Document.
11266 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
11268 * diagnostic.c (init_output_buffer): Make it possible to output at
11269 least 32 characters if we're given a too long prefix.
11271 2000-02-20 Mark Mitchell <mark@codesourcery.com>
11273 * varasm.c (initializer_constant_valid_p): Call
11274 lang_expand_constant to simplify the constant.
11276 2000-02-20 Bruce Korb <bkorb@gnu.org>
11278 * fixinc/inclhack.def(stdio_va_list):
11279 typedef needs to be disabled.
11280 * fixinc/inclhack.sh: regen
11281 * fixinc/fixincl.x: regen
11283 2000-02-20 Geoff Keating <geoffk@cygnus.com>
11285 * print-rtl.c (print_rtx): Don't print addresses when
11286 flag_dump_unnumbered.
11288 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11290 * sparc.c (sparc_output_scratch_registers): Mark parameter with
11291 ATTRIBUTE_UNUSED.
11292 (sparc_va_arg, sparc_flat_output_function_prologue,
11293 sparc_flat_output_function_epilogue): Cast value to unsigned in
11294 comparison.
11295 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
11297 * sparc.md: Add default case in switch.
11299 2000-02-19 Richard Henderson <rth@cygnus.com>
11301 * c-typeck.c (add_pending_init): Don't abort for multiple
11302 fields at the same offset.
11303 (pending_init_member): Test the correct member.
11305 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11307 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
11308 instead of SImode.
11309 (start_catch_handler) : Same.
11311 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
11313 * Makefile.in: Have flow.o depend on $(EXPR_H)
11315 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11317 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
11318 * c-decl.c (duplicate_decls, finish_enum): Likewise.
11319 (finish_decl): Remove -Wlarger-than code from here.
11320 * flags.h (id_clash_len): Now int.
11321 (larger_than_size): Now HOST_WIDE_INT.
11322 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11323 Clean up checking to see if in table.
11324 (make_bit_field_ref): Remove extra parm to bitsize_int.
11325 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11326 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11327 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11328 and for computing size of decl.
11329 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11330 Move -Wlarger-than code to here.
11331 (layout_record): Remove extra arg to bitsize_int.
11332 Set TYPE_BINFO_SIZE_UNIT.
11333 (layout_union): Remove extra arg to bitsize_int.
11334 Use proper type for size of QUAL_UNION.
11335 (layout_type): Remove extra arg to bitsize_int.
11336 * toplev.c (id_clash_len): Now int.
11337 (larger_than_size): Now HOST_WIDE_INT.
11338 (decode_W_option): Clean up id-clash and larger-than- cases.
11339 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11340 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11341 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11342 (struct tree_decl): New field size_unit.
11343 (size_int_wide): No HIGH operand; NUMBER is now signed.
11344 (size_int_2): Deleted.
11345 (size_int, bitsize_int): Don't use it and rework args.
11346 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11348 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11350 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11352 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11354 * invoke.texi (Warning Options): Add an explanation of why
11355 you might want the -Wfloat-equal flag.
11357 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11359 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11360 * cppinit.c (new_pending_define): Add cast to avoid warning.
11361 * expmed.c (extract_bit_field): Likewise.
11362 * flow.c (enum reorder_skip_type): New type.
11363 (skip_insns_between_blcok): New it.
11364 Rework to avoid warning about possibly undefined variable.
11365 * function.c (assign_parms): Make thisparm_boundary unsigned.
11366 * genrecog.c (write_switch): Cast XWINT result to int.
11367 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11368 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11369 one for MIPS and one for Alpha.
11370 (get_tag, copy_object): Add casts to avoid warnings.
11371 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11372 * reload.c (find_reloads): Make TYPE enum reload_type.
11373 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11374 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11375 * varasm.c (compare_constant_1): Add cast to avoid warning.
11376 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11377 to (char *).
11378 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11379 Cast switch operand of size to int.
11380 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11381 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11382 in unhandled case.
11384 2000-02-18 Nick Clifton <nickc@cygnus.com>
11386 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11387 anything for an alignment of zero.
11389 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11390 anything for an alignment of zero.
11392 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11394 * gcc.texi (Bug Reporting): Refer to bugs.html.
11395 (Bug Lists): Likewise.
11396 * system.h (GCCBUGURL): New preprocessor define.
11397 * rtl.c (fancy_abort): Use it.
11398 * gcc.c (main): Likewise.
11400 2000-02-18 Richard Henderson <rth@cygnus.com>
11402 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11403 (life_analysis_1): Subsume into ...
11404 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11405 Use update_life_info for the relaxation.
11406 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11407 entry and regs_live_at_setjmp.
11408 (set_noop_p): Simplify.
11409 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11410 (record_volatile_insns): Split into ...
11411 (delete_noop_moves): ... here,
11412 (notice_stack_pointer_modification): ... here,
11413 (insn_dead_p): ... and here.
11414 (propagate_block): Don't query INSN_VOLATILE.
11415 (mark_used_regs): Mind !PROP_REG_INFO.
11416 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11417 not in life_analysis.
11419 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11421 * loop.c (canonicalize_condition): New function,
11422 broken out of get_condition.
11423 (get_condition): Use it.
11424 * expr.h (canonicalize_condition): Prototype it.
11426 * tree.h (tree_int_cst_msb): Declare.
11427 * tree.c (tree_int_cst_msb): New function.
11429 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11431 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11432 isn't set.
11434 * invoke.texi (-fmessage-length=n): Document.
11436 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11438 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11440 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11442 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11443 after the prologue.
11445 2000-02-17 Nick Clifton <nickc@cygnus.com>
11447 * config/arm/thumb.c: Replace includes of system headers with
11448 #include "system.h".
11450 2000-02-16 Richard Henderson <rth@cygnus.com>
11452 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11453 Add crtbeginS.o and crtendS.o.
11454 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11455 (ENDFILE_SPEC): Use crtendS.o.
11456 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11458 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11459 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11460 shared and present.
11461 (__dso_handle): New variable.
11462 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11463 bias to __CTOR_END__.
11465 2000-02-16 Richard Henderson <rth@cygnus.com>
11467 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11469 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11471 * longlong.h (__clz_tab): Declare as static to match definition.
11473 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11475 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11476 (XREF_FILE_NAME): Define.
11478 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11479 (EH_FRAME_SECTION_ASM_OP): Define.
11480 (IDENT_ASM_OP): Define.
11481 (TEXT_SECTION_ASM_OP): Define.
11482 (CPP_SPEC): Define.
11483 (CTORS_SECTION_ASM_OP): Define.
11484 (CTOR_SECTION_FUNCTION): Use it.
11485 (DTORS_SECTION_ASM_OP): Define.
11486 (DTOR_SECTION_FUNCTION): Use it.
11488 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11490 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11491 NOTE_BASIC_BLOCK.
11493 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11494 debug_bb_n): New functions.
11495 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11496 * basic-block.h: Prototype new functions.
11498 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11500 * configure.in: Add support for avr target.
11501 * configure: Rebuilt.
11503 * invoke.texi: Add AVR invocation docs.
11504 * install.texi: Add information about AVR.
11505 * md.texi: Add AVR constraint letters description.
11506 * extend.texi: Add description for AVR specific attributes.
11508 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11510 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11512 2000-02-16 Nick Clifton <nickc@cygnus.com>
11514 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11515 (make_insn_raw): Move RTL check here.
11517 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11519 * version.c: Include gansidecl.h and version.h.
11521 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11523 * configure.in (gcc_version): When setting, narrow search to
11524 lines containing `version_string'.
11526 * Makefile.in (mainversion): Likewise.
11527 (GCC_H): New variable.
11528 (gcc.h): Delete target.
11529 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11530 (version.o): Depend on version.h.
11531 (dbxout.o): Don't depend on gcc.h.
11533 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11534 Michael Meissner <meissner@cygnus.com>
11536 * md.texi (Simple Constraints): Add item about whitespace.
11537 * genoutput.c (strip_whitespace): New.
11538 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11539 strip_whitespace for constraints.
11540 Test pointer using NULL, not 0.
11542 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11544 * cpplib.c (do_line): Pedwarn for #line > 32767.
11546 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11548 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11550 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11551 to default cpp spec.
11552 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11553 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11554 * cpp.1: Likewise.
11556 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11557 default spec.
11559 2000-02-15 Denis Chertykov <denisc@overta.ru>
11561 * configure.in: Add support for avr target.
11563 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11565 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11566 (sh_addr_diff_vec_mode): Don't declare.
11567 * sh.c (sh_addr_diff_vec_mode): Delete.
11569 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11571 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11573 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11575 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11576 (smulsi3_highpart_i): Name.
11577 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11578 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11579 (smulsi3_highpart, umulsi3_highpart): Likewise.
11581 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11582 correctly independent of endianness.
11583 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11584 confuse the optimizers.
11585 (mulsidi3+1, umulsidi3+1): New define_split.
11587 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11589 * config/sh/sh.md: Guard insn splits against illegal registers.
11590 * config/sh/sh.h: Correct comment about macros.
11592 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11593 Andrew MacLeod <amacleod@cygnus.com>
11595 * Makefile.in (lcm.o): Depend on insn-attr.h.
11596 * basic-block.h (optimize_mode_switching): Declare.
11597 * lcm.c (tm_p.h, insn-attr.h): #include.
11598 (seginfo, bb_info): New structs.
11599 (antic, transp, comp, delete, insert) : New file-scope static variables.
11600 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11601 (reg_becomes_live, optimize_mode_switching): Likewise.
11602 * tm.texi: Add description of mode switching macros.
11603 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11605 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11606 (fldi_ok, fpscr_set_from_mem): New prototypes.
11607 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11608 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11609 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11610 (sh_flag_remove_dead_before_cse): Remove declaration.
11611 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11612 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11613 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11614 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11615 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11616 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11617 (fldi_ok): New function.
11618 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11619 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11620 (emit_df_insn): Likewise.
11621 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11622 (sh_flag_remove_dead_before_cse): Delete.
11623 (get_free_reg, fpscr_set_from_mem): New functions.
11624 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11625 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11627 2000-02-15 Loren Rittle <ljrittle@acm.org>
11629 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11631 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11633 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11634 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11636 * cccp.c: Include version.h and/or don't declare `version_string'.
11637 * collect2.c: Likewise.
11638 * alpha.c: Likewise.
11639 * arm/aof.h: Likewise.
11640 * arm/coff.h: Likewise.
11641 * arm/elf.h: Likewise.
11642 * arm/pe.h: Likewise.
11643 * arm/tcoff.h: Likewise.
11644 * arm/telf.h: Likewise.
11645 * arm/tpe.h: Likewise.
11646 * arm/vxarm.h: Likewise.
11647 * convex/convex.c: Likewise.
11648 * i386/dgux.c: Likewise.
11649 * i386/sun386.h: Likewise.
11650 * m88k/m88k.c: Likewise.
11651 * mcore/mcore-pe.h: Likewise.
11652 * mips/mips.h: Likewise.
11653 * romp/romp.h: Likewise.
11654 * sh/sh.c: Likewise.
11655 * cpphash.c: Likewise.
11656 * cppinit.c: Likewise.
11657 * dwarf2out.c: Likewise.
11658 * dwarfout.c: Likewise.
11659 * gcc.c: Likewise.
11660 * gcc.h: Likewise.
11661 * mips-tfile.c: Likewise.
11662 * protoize.c: Likewise.
11663 * toplev.c: Likewise.
11664 * tree.h: Likewise.
11666 * version.c (version_string): Constify a char*.
11668 * version.h: New file.
11670 2000-02-14 Nick Clifton <nickc@cygnus.com>
11672 * configure.in: Add mcore-elf and mcore-pe targets.
11673 * configure: Regenerate.
11675 * NEWS: Add note that MCore port has been contributed.
11677 * invoke.texi: Document command line switches for MCore port.
11678 * install.texi: Add MCore to list of supported targets.
11680 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11682 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11683 then we will need to import the frame handling functions.
11684 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11685 to import the frames themselves.
11687 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11688 Jason Eckhardt <jle@cygnus.com>
11690 * basic_block.h: Added prototype for reorder_basic_blocks.
11691 * toplev.c: Changes to add -freorder-blocks and graph dump after
11692 block reordering is done.
11693 * flow.c (reorder_block_def): New structure for use during block
11694 reordering.
11695 (REORDER_BLOCK_*): New macros to access members of above structure.
11696 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11697 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11698 functions for block reordering.
11700 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11702 * gcc.texi (Passes): Fix typo.
11703 * md.texi (Standard Names): Ditto.
11704 * tm.texi (Storage Layout): Ditto.
11706 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11708 * cpplib.c (do_define): Only free the old definition if it
11709 actually had one.
11711 2000-02-13 Neil Booth <NeilB@earthling.net>
11713 * cppfiles.c (read_and_prescan): When emitting deferred
11714 newlines, test speccase[] again instead of checking each
11715 possible whitespace character in turn. When we encounter \r,
11716 look behind for \n first, then ahead.
11718 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11720 * cse.c (cse_altered): New internal flag.
11721 (cse_insn): Set it if we changed an insn.
11722 (cse_main): Clear cse_altered before each basic block.
11723 Only garbage collect if cse_altered is true afterward.
11725 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11727 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11729 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11731 * combine.c (simplify_comparison): Fix typo.
11733 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11735 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11736 consistently.
11738 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11740 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11741 previously inserted node instead of root node. Caller changed.
11743 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11745 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11747 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11749 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11750 __dereg_frame_dtor): Add prototype argument.
11752 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11754 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11756 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11758 * gthr-vxworks.h (__gthread_once): Likewise.
11760 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11762 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11764 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11765 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11766 stack pointer in functions w/o saved registers, output LEAVE more often
11767 on TARGET_USE_LEAVE machines.
11769 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
11771 * config/arm/arm.c (arm_init_cumulative_args); New function:
11772 Initlaise the CUMULATIE_ARGS strcuture for a function
11773 defintion.
11774 (arm_function_arg): New function: Determine where to place a
11775 function's argument. Also handles deciding the function's
11776 call cookie.
11777 (current_file_function_operand): New function: Return true if
11778 the symbol is a function which has already been compiled.
11779 (arm_is_long_call_p): New function: Return true if the
11780 indicated function should be called via a long call.
11781 (arm_valid_type_attribute_p): New function: Return true if the
11782 attribute is a valid, arm specific, attribute.
11783 (arm_comp_type_attribute): New function: Return true if the
11784 two types have compatable, arm specific, attributes.
11786 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
11787 structure.
11788 (FUNCTION_ARG): Redefine to call arm_function_arg.
11789 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
11790 structure field.
11791 (INIT_CUMULATIVE_ARGS): Redefine to call
11792 arm_init_cumulative_args.
11793 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
11794 field.
11795 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
11796 field.
11797 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
11798 functions.
11799 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
11800 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
11801 (COMP_TYPE_ATTRIBUTES): Define.
11803 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
11804 if a long call is needed.
11805 (call_value): Call arm_is_long_call_p to decide if a long call
11806 is needed.
11807 (call_symbol): Call arm_is_long_call_p to decide if a long call
11808 is needed.
11810 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
11812 2000-02-11 Denis Chertykov <denisc@overta.ru>
11814 * README.AVR: New file with information about the avr ports.
11815 * config/avr: New directory with avr port files.
11817 2000-02-11 Andreas Jaeger <aj@suse.de>
11819 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
11821 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
11823 * cpphash.c: Fix formatting, update commentary.
11824 (dump_definition): Take three separate arguments instead of a
11825 MACRODEF structure argument.
11826 * cpphash.h: Update prototype of dump_definition.
11827 * cppinit.c (cpp_finish): Update call of dump_definition.
11829 * cpplib.c (do_define): Always create new hash entry with
11830 T_MACRO type. Remove redundant check for redefinition of
11831 poisoned identifier. Update call of dump_definition.
11832 (do_undef): Don't call check_macro_name. Rename sym_length to
11833 len.
11834 (do_error, do_warning): Don't use copy_rest_of_line or
11835 SKIP_WHITE_SPACE.
11836 (do_warning): Don't use pedwarn for the actual warning,
11837 only the notice about its not being in the standard. (Fixes
11838 bug with #warning in system headers.)
11839 (do_ident): Stricter argument checking - accept only a single
11840 string after #ident. Also, macro-expand the line.
11841 (do_xifdef): Use cpp_defined. De-obfuscate.
11843 (do_pragma): Split out specific pragma handling to separate
11844 functions. Use get_directive_token. Update commentary. Do
11845 not pass on #pragma once or #pragma poison to the front end.
11846 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
11847 do_pragma_default): New.
11849 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
11851 * jump.c (jump_optimize_1): The first operand in a relational
11852 can be a CONST_INT.
11853 * optabs.c (emit_conditional_move): Handle relationals which
11854 have a known true/false result.
11856 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11858 * function.c (thread_prologue_and_epilogue_insns): Don't insert
11859 a RETURN insn into a block which already ends with a jump.
11861 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11863 * haifa-sched.c (BUF_LEN): Increase a lot.
11865 2000-02-11 Nick Clifton <nickc@cygnus.com>
11867 * configure.in: Add tm_p_file specification for thumb targets.
11868 * configure: Regenerate.
11870 * config/arm/thumb-protos.h: New file: Prototypes for exported
11871 functions defined in thumb.c.
11873 2000-02-11 Robert Lipe <robertl@sco.com>
11875 * Makefile.in (bootstrap-lean): Remove additional files.
11876 (bootstrap2-lean): Likewise.
11877 (VOL_FILES): List of files for above.
11879 2000-02-11 Nathan Sidwell <nathan@acm.org>
11881 * cpphash.c (special_symbol): Remove spurious argument to
11882 cpp_lookup.
11884 2000-02-11 Joel Sherrill (joel@OARcorp.com>
11886 * configure.in: (i*86-*-rtems*): Swapped elf and coff
11887 stanzas.
11888 * configure: Rebuilt.
11890 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
11892 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
11894 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
11896 * pa.c, pa.h: Remove trigraph sequences within comments.
11898 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
11900 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
11902 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
11904 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
11906 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11908 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
11910 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11912 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
11913 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
11914 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
11915 (ASM_FILE_END): Use c4x_file_end.
11916 * config/c4x/c4x.c (c4x_global_label): New function.
11917 (c4x_external_ref, c4x_file_end): Likewise.
11919 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
11920 (c4x_external_ref, c4x_end_file): Likewise.
11922 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
11924 * cppexp.c: Don't include cpphash.h.
11925 (parse_charconst, cpp_lex): Use cpp_defined.
11926 (cpp_lex): Use get_directive_token throughout. Remove
11927 unnecessary cases from switch. Move assertion-handling code
11928 down to OTHER case.
11929 (cpp_parse_expr): If we see '+' or '-', check the context to
11930 determine if they are unary or binary operators. Streamline
11931 the jumps a bit. Do not call skip_rest_of_line.
11933 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
11934 static. Export get_directive_token. Update commentary.
11935 (cpp_defined): New function.
11936 (do_define): Remove reference to T_PCSTRING. Call
11937 free_definition to release memory for old definition, when
11938 redefining a macro.
11939 (eval_if_expression): Set only_seen_white to 0 before calling
11940 cpp_parse_expr. Call skip_rest_of_line after it returns.
11941 (cpp_read_check_assertion): Don't preserve a pointer into the
11942 token buffer across a call to cpp_get_token.
11944 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
11945 * cppfiles.c (redundant_include_p): Use cpp_defined.
11946 * cpphash.c (free_definition): New function.
11947 (delete_macro): Use it. Update commentary.
11948 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
11949 free_definition.
11950 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
11951 from enum node_type. Prototype cpp_defined and get_directive_token.
11952 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
11954 * fix-header.c (check_macro_names): Use cpp_defined.
11955 (read_scan_file): Set inhibit_warnings and inhibit_errors in
11956 the options structure.
11958 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11960 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
11962 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
11964 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
11965 rather than die->die_tag.
11967 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11969 * combine.c (make_extraction, force_to_mode): Avoid warning on
11970 mixed-signedness conditionals.
11971 (make_field_assignment, nonzero_bits): Likewise.
11972 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
11973 (store_split_bit_field, extract_split_bit_field): Likewise.
11974 (extract_fixed_bit_field, store_bit_field,
11975 * expr.c: Change alignment to be unsigned everywhere.
11976 (move_by_pieces, store_constructor_field, store_constructor):
11977 Alignment parm is unsigned.
11978 (emit_block_move, emit_group_load, emit_group_store): Likewise.
11979 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11980 (do_compare_rtx_and_jump): Likewise.
11981 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
11982 Compare align with GET_MODE_ALIGNMENT.
11983 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
11984 (get_inner_reference): Likewise.
11985 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
11986 (expand_assignment): Local vars for alignment now unsigned.
11987 (store_constructor, store_field, expand_expr, do_jump): Likewise.
11988 (do_compare_and_jump): Likewise.
11989 (store_field): Call new function expr_align.
11990 * expr.h (emit_block_move, emit_group_load, emit_group_store):
11991 Alignment arg now unsigned.
11992 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11993 (do_compare_rtx_and_jump, store_bit_field): Likewise.
11994 (extract_bit_field): Likewise.
11995 * fold-const.c (add_double): Add cast to eliminate signedness warning.
11996 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
11997 (get_best_mode): Alignment arg is unsigned.
11998 * rtl.h (move_by_pieces): Likewise.
11999 * store-layout.c (maximum_field_alignment, set_alignment):
12000 Now unsigned.
12001 (layout_decl): Alignment arg is now unsigned.
12002 Remove unneeded casts.
12003 (layout_record, layout_union, layout_type): Remove unneeded casts.
12004 Local alignment variables now unsigned.
12005 (get_best_mode): Alignment arg now unsigned.
12006 * tree.c (expr_align): New function.
12007 * tree.h (expr_align): Likewise.
12008 (maximum_field_alignment, set_alignment): Now unsigned.
12009 (get_inner_reference): Alignment argument is now pointer to unsigned.
12010 * varasm.c (assemble_variable): Add cast to eliminate warning.
12012 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
12014 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
12015 then store directly into op0.
12017 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
12018 the CALL_INSN, and emit the note immediately after it.
12020 2000-02-10 Nick Clifton <nickc@cygnus.com>
12022 * config/arm/thumb.md (epilogue): Include a (return) in the
12023 generated insn, and emit it using emit_jump_insn not
12024 emit_insn.
12026 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
12028 * function.c (assign_temp): Change zero-sized arrays to size 1.
12029 * integrate.c (expand_inline_function): Do not update
12030 stack_alignment_needed
12031 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
12032 add some sanity checking, remove optimization for function with
12033 zero frame size.
12035 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12037 * flow.c (mark_regs_live_at_end): Delete unused variables.
12039 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
12041 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
12042 in macro FRAME_GROWS_DOWNWARD.
12044 * stmt.c (expand_end_bindings): Delete unused variable.
12046 * unroll.c (iteration_info): Mark parameter `loop' with
12047 ATTRIBUTE_UNUSED.
12049 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12051 * fixinc/server.c (load_data): Return NULL if the marker line is
12052 not found.
12053 (run_shell): If load_data returns NULL, retry the command once, in
12054 a new shell.
12056 * configure: Rebuilt.
12058 2000-02-09 Bruce Korb <bkorb@gnu.org>
12060 * gcc/fixincludes: ** DELETED **
12061 * gcc/fixcpp: ** DELETED **
12062 * gcc/fixinc-nt.sed: ** DELETED **
12063 * gcc/just-fixinc: ** DELETED **
12064 * gcc/Makefile.in: Removed out-dated commentary
12065 * gcc/configure.in: Removed fast-fixincludes disablement.
12066 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
12068 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12069 * function.c (thread_prologue_and_epilogue_insns): Uncomment
12070 last change.
12072 2000-02-09 Richard Henderson <rth@cygnus.com>
12074 * jump.c (delete_insn): Don't delete user labels at -O0.
12076 2000-02-09 Robert Lipe <robertl@sco.com>
12078 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
12079 Don't link with HOST_LIBS.
12081 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12083 * configure.in: Correct --help text for --with-dwarf2.
12084 Put tm-dwarf2.h after other tm files, if it's requested.
12085 * configure: Regenerate.
12086 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
12087 defining it.
12089 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12091 * cpplib.h: Provide HASHNODE typedef and forward decl of
12092 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
12093 DEFINITION, struct hashnode, struct macrodef, struct
12094 definition, scan_decls prototype, default defn of
12095 INCLUDE_LEN_FUDGE moved elsewhere.
12097 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
12098 definition, and struct hashnode moved here. Remove the unused
12099 'predefined' field from struct definition. Replace the 'args'
12100 union with its sole member. All users updated (cpphash.c).
12101 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
12102 multiple include guard.
12104 * cpphash.c (hashf): Make static; use better algorithm; drop
12105 HASHSIZE parameter; return an unsigned int.
12106 (cpp_lookup): Drop HASH parameter. PFILE parameter is
12107 used. Calculate HASHSIZE modulus here.
12108 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
12109 here.
12110 (create_definition): Drop PREDEFINITION parameter.
12111 * cpplib.c (do_define): Don't calculate a hash value here.
12112 Don't pass (keyword == NULL) to create_definition.
12114 * scan.h: Prototype scan_decls here.
12115 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
12116 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
12117 callers of cpp_lookup and cpp_install updated.
12119 * cpphash.c (macarg): Hoist all the flag diddling out of the
12120 function...
12121 (macroexpand): ... and out of the loop that calls macarg.
12122 Skip over the initial paren before macro arguments with
12123 cpp_get_non_space_token; point may be some distance before
12124 that paren. Abort if it's not there.
12126 * cpplib.c (parse_clear_mark): Delete function.
12127 (parse_set_mark, parse_goto_mark): Make static.
12128 (ACTIVE_MARK_P): New macro.
12129 (skip_block_comment, skip_line_comment): Do not bump the line
12130 if ACTIVE_MARK_P is true.
12131 (cpp_pop_buffer): The buffer to be popped may not have an
12132 active mark.
12133 (cpp_get_token): When looking for the initial paren before
12134 macro arguments, only set a mark in a file buffer, Always
12135 return to that mark before proceeding to call macroexpand or
12136 return a NAME token.
12138 * cpplib.h: Remove prototypes of parse_set_mark,
12139 parse_clear_mark, parse_goto_mark.
12140 (struct cpp_options): Rename 'put_out_comments' to
12141 'discard_comments' and invert its sense.
12142 * cppinit.c, cpphash.c, cpplib.c: All users of
12143 put_out_comments changed to use discard_comments, with
12144 opposite sense.
12146 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12148 * function.c (thread_prologue_and_epilogue_insns): Don't delete
12149 the edge from a block that both jumps and falls through to the
12150 fallthru block.
12152 2000-02-09 Scott Bambrough <scottb@netwinder.org>
12154 * config/arm/arm.md (movsi): In PIC mode, make sure that a
12155 constant source address is legitimate.
12157 2000-02-09 Philip Blundell <pb@futuretv.com>
12159 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
12160 correctly.
12162 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
12163 generating PIC.
12164 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
12166 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12168 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
12169 ends with a newline and a NUL. Don't be so clever manipulating
12170 strings.
12172 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
12174 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
12175 not to BIGGEST_ALIGNMENT.
12177 2000-02-08 Geoff Keating <geoffk@cygnus.com>
12179 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
12180 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
12181 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
12182 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
12183 * frame.c (execute_cfa_insn): Handle
12184 DW_CFA_GNU_negative_offset_extended.
12186 2000-02-08 Richard Henderson <rth@cygnus.com>
12188 * flow.c (tidy_fallthru_edges): Split out from ...
12189 (delete_unreachable_blocks): ... here.
12190 (find_basic_blocks): Use it.
12192 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12194 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
12196 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
12198 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
12199 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
12200 (fix-header.o): Don't depend on cpphash.h.
12202 * scan.c (hashstr): New function.
12203 * scan.h: Prototype it.
12204 * fix-header.c: Don't include cpphash.h. Use hashstr.
12205 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
12206 hashstr. Report hash table statistics. Add private
12207 definition of xrealloc.
12209 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12211 * i386.h (TARGET_SWITCHES): Fix typo in option name.
12213 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
12215 * function.c (thread_prologue_and_epilogue_insns): Don't replace
12216 jumps with returns unless they are jumps to the fallthru block.
12218 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
12220 * i386.md (addqi3_cc): Fix contraints.
12222 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12224 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
12226 2000-02-07 Mark Mitchell <mark@codesourcery.com>
12228 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
12229 carriage return after a macro name.
12231 2000-02-07 Fred Fish <fnf@be.com>
12233 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
12234 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
12236 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
12238 * cppfiles.c (deps_output): Count spacers in deps_column.
12240 2000-02-07 Neil Booth <NeilB@earthling.net>
12242 * cppinit.c (initialize_dependency_output): If there is no
12243 suffix, don't try to look for known suffixes. Use strrchr.
12244 (cpp_start_read): Remove duplicate initialization.
12246 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
12248 * calls.c (compute_argument_block_size): New argument
12249 preferred_stack_boundary.
12250 (expand_call): update cfun->preferred_stack_boundary, update call of
12251 compute_argument_block_size
12252 (emit_library_call): Increate cfun->preferred_stack_boundary
12253 to PREFERRED_STACK_BOUNDARY
12254 (emit_library_call_value): Likewise.
12255 * explow.c (allocate_dynamic_stack_spave): Likewise.
12256 * function.c (prepare_function_start): Set
12257 cfun->preferred_stack_boundary
12258 * function.h (struct function): Add preferred_stack_boundary field.
12259 * integrate.c (expand_inline_function): Update
12260 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
12261 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
12262 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
12264 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
12266 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
12267 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
12268 cpp_pedwarn, cpp_pedwarn_with_line,
12269 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
12270 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
12271 v_cpp_error_with_line, v_cpp_warning_with_line,
12272 cpp_message_from_errno, cpp_perror_with_name): Delete.
12274 * cpperror.c (cpp_print_containing_files): Take starting
12275 buffer as argument.
12276 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
12277 (v_cpp_message): Now called directly by all entry points.
12278 Remove -1 case.
12279 (cpp_pfatal_with_name, cpp_message): Delete.
12280 (cpp_notice_from_errno, cpp_ice): New functions.
12281 (cpp_notice): Is now for reporting error conditions, just
12282 without an associated file.
12283 (cpp_error, cpp_error_with_line): Don't do anything if
12284 opts->inhibit_errors is on.
12285 (cpp_pedwarn_with_file_and_line): Take column argument also.
12287 * cpplib.h: Update prototypes of exported functions.
12288 (struct cpp_options): Add inhibit_errors.
12290 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
12291 non-error messages. Include intl.h.
12293 * cppinit.c, cppmain.c: Likewise. Also, use
12294 cpp_notice_from_errno instead of cpp_perror_with_name or
12295 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
12297 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
12298 report internal errors.
12300 * cpplib.c (do_define): Switch bcopy to memcpy.
12301 Give cpp_pedwarn_with_file_and_line a dummy column argument.
12303 * cpplib.c (copy_rest_of_line): Revert previous change: don't
12304 bail out early if we hit a line comment.
12306 2000-02-06 Richard Henderson <rth@cygnus.com>
12308 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
12309 * basic-block.h: Declare them.
12310 * emit-rtl.h (active_insn_p): New.
12311 (next_active_insn, prev_active_insn): Use it.
12312 * rtl.h: Declare it.
12313 * function.c (emit_return_into_block): New.
12314 (thread_prologue_and_epilogue_insns): Insert return insns instead
12315 of epilogues when possible.
12316 * jump.c (jump_optimize_1): Remove code to insert a return insn
12317 on the fallthru to the exit block.
12319 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
12320 and for non-empty stack frames.
12321 * i386.md (return): Expand to return-pop as needed.
12323 2000-02-06 Richard Henderson <rth@cygnus.com>
12325 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12326 constant to op1 for testing.
12328 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12330 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12331 (fixuns_truncqfqi2): Use it.
12333 2000-02-06 Richard Henderson <rth@cygnus.com>
12335 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12336 as a TYPE_LEA insn.
12338 * i386.md (widening and peepholes): Mask the constant instead of
12339 using gen_lowpart.
12341 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12343 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12344 input pointer before possibly branching off to the backslash
12345 code.
12346 * cpphash.c (macroexpand): Correctly delete \r escapes when
12347 stringifying parameters.
12348 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12349 if we can; bail out early if we hit a line comment.
12350 (handle_directive): Treat '# 123' in an .S file just like
12351 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12352 Return 1 for '# not_a_directive'.
12353 (get_directive_token): Pop macro buffers here, so that
12354 cpp_get_token can't sneakily move past a newline.
12355 Add sanity checks.
12356 (cpp_get_token): goto randomchar if handle_directive returns 0.
12358 * cppalloc.c: Update copyright.
12359 * cpplib.c: Merge all the static function prototypes into one
12360 block.
12361 * cpplib.h: Remove #if 0 block.
12363 * cpperror.c: Remove #ifdef EMACS block.
12364 * cppmain.c: Likewise.
12365 * cpphash.c: Remove #if 0 blocks.
12366 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12367 * cpplib.c: Remove #if 0 blocks and code referencing
12368 pcp_inside_if or for_lint. Remove duplicate error message.
12369 Fix error messages for #else after #else or #elif. Reformat.
12370 Remove archaic TODO list.
12371 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12373 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12375 * i386/osf1elf.h: Add missing backslash to multiline string.
12377 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12379 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12381 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12383 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12385 * c-common.c: Include expr.h.
12387 * c-pragma.c (mark_align_stack): Add prototype.
12389 * caller-save.c (add_stored_regs): Likewise.
12391 * combine.c (record_promoted_value): Likewise.
12393 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12394 Likewise.
12396 * cppinit.c (new_pending_define): Likewise.
12398 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12400 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12401 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12402 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12403 class_scope_p): Likewise.
12405 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12406 dwarf2out_add_library_unit_info): Likewise.
12408 * ggc.h (ggc_page_print_statistics): Likewise.
12410 * haifa-sched.c (propagate_deps): Likewise.
12412 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12414 * rtl.h (set_stack_check_libfunc): Likewise.
12416 * toplev.h (set_fatal_function): Likewise.
12418 * toplev.c (set_fatal_function): Delete prototype.
12420 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12422 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12424 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12425 (FUNC_END): Likewise.
12427 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12429 * caller-save.c: Include tm_p.h.
12431 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12433 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12435 2000-02-04 Neil Booth <NeilB@earthling.net>
12437 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12438 it to strcmp.
12440 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12442 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12443 * genflags.c: Use the max_operand_1 logic from genemit.c to
12444 calculate how many arguments gen_insn prototypes have. Remove
12445 NO_MD_PROTOTYPES ifdefs from the generated file.
12446 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12447 file. Cast gen_insn initializers to insn_gen_fn.
12448 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12449 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12451 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12453 * fixinc/Makefile.in (HDR): Add machname.h.
12454 (clean): Likewise.
12456 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12458 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12459 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12460 (c4x_cpu_version): Ditto.
12461 * config/c4x/c4x-protos.h: ... here.
12463 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12465 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12466 gen_abstract_function on our context if we're a nested function.
12468 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12470 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12471 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12473 2000-02-04 Bruce Korb <bkorb@gnu.org>
12475 * fixinc/genfixes(machname.h):
12476 Move the functionality from gen-machine.h into this file.
12477 UNdef MN_NAME_PAT if there are no names to change.
12478 Also, be a little kinder when AutoGen is not present.
12480 * fixinc/Makefile.in(machname.h):
12481 Change the generation rule to use genfixes.
12483 * fixinc/fixfixes.c(machine_name):
12484 machine_name_fix's functionality now dependent upon whether
12485 MN_NAME_PAT is defined.
12487 * fixinc/fixtests.c(machine_name):
12488 ditto.
12490 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12491 of MN_NAME_PAT.
12493 * fixinc/fixlib.h(mn_get_regexps):
12494 ditto
12496 * fixinc/gen-machine.h: DELETED
12498 2000-02-04 Jan Hubicka <jh@suse.cz>
12499 Richard Henderson <rth@cygnus.com>
12501 * i386.c (SAVE_REGS_FIRST): Remove.
12502 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12503 (ix86_compute_frame_size): Likewise.
12504 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12505 (ix86_emit_restore_regs): Remove.
12506 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12507 when a frame pointer is in use.
12508 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12509 instead of pop to restore a register when profitable; emit leave
12510 when profitable.
12511 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12512 as a TYPE_LEA insn.
12513 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12514 * i386.md (prologue_allocate_stack): Remove.
12515 (epilogue_deallocate_stack): Remove.
12516 (pro_epilogue_adjust_stack): New.
12518 2000-02-04 Richard Henderson <rth@cygnus.com>
12520 * function.c (diddle_return_value): Rework to use a callback function.
12521 Use current_function_return_rtx if it's been set up.
12522 (do_clobber_return_reg, clobber_return_register): New.
12523 (do_use_return_reg, use_return_register): New.
12524 (expand_function_end): Use them.
12525 * stmt.c (expand_null_return): Likewise.
12526 * function.h: Declare them.
12527 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12528 (mark_reg): Change arguments as appropriate for callback.
12529 * integrate.c (expand_inline_function): Revert 19 Jan change.
12531 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12533 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12534 (Misc): Say the scheduler, not the Haifa scheduler.
12536 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12538 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12539 when in_mem is set. Update all callers.
12541 2000-02-04 Richard Henderson <rth@cygnus.com>
12543 * i386/openbsd.h (INT_ASM_OP): Define.
12545 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12547 * tm.texi: Fix various typos.
12549 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12551 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12552 (MD_STARTFILE_PREFIX_1): New macro.
12554 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12556 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12557 destination when needed.
12558 (strmovsi, strsetsi): New expander.
12559 (strmovsi_1, strsetsi_1): New pattern.
12560 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12561 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12562 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12563 * invoke.texi (align-stringops, inline-all-stringops): Document.
12565 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12567 * i386/netbsd.h (INT_ASM_OP): Define.
12569 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12571 * cpplib.h (cpp_reader): Add new flag, no_directives.
12572 * cpphash.c (macarg): Set it.
12573 * cpplib.c (handle_directive): If no_directives is on and we
12574 find a directive, issue an error and discard the line.
12576 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12578 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12579 FP constants. Add ! TARGET_FPU check for FP constants.
12581 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12583 * flow.c (find_basic_blocks): Don't kill label_value_list
12584 here.
12585 (cleanup_cfg): Kill it here.
12587 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12589 * expr.c (store_field): Ensure ALIGN is no stricter than the
12590 alignment of EXP.
12592 2000-02-02 Richard Henderson <rth@cygnus.com>
12594 * jump.c (delete_insn): Partially revert 19 Jan change;
12595 don't convert unused code labels to notes at -O0.
12597 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12599 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12600 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12602 2000-02-01 Richard Henderson <rth@cygnus.com>
12604 * i386.c (general_no_elim_operand): New.
12605 (nonmemory_no_elim_operand): New.
12606 (ix86_expand_move): Copy eliminable operands before a push.
12607 * i386-protos.h: Declare new functions.
12608 * i386.h (CAN_ELIMINATE): Simplify.
12609 (PREDICATE_CODES): Update.
12610 * i386.md (push insns): Don't allow eliminable register operands.
12612 2000-02-01 Richard Henderson <rth@cygnus.com>
12614 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12615 replace BLKmode with DECL_RTL's mode.
12617 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12619 * frame.c (find_fde): Convert for loop to do-while so compiler
12620 sees it's always executed at least once.
12621 * libgcc2.c (BBINBUFSIZE): Kill.
12622 (__bb_init_prg): Use fgets.
12623 (__bb_exit_trace_func): Don't paste strings.
12624 * unroll.c (unroll_loop): Initialize unroll_type, not
12625 unroll_number, and tweak logic to match.
12627 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12628 all failure paths.
12629 (ix86_flags_dependant): Likewise. Disentangle control flow.
12630 (ix86_sched_reorder): Break guts out to
12631 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12632 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12633 any possible use.
12635 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12636 use string concatenation. Don't save and restore esi.
12638 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12639 (machname.h): Remove script to separate file. Use two-step
12640 sequence so target is not created if script fails.
12641 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12642 identifiers are defined.
12643 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12644 an empty string, machine_name doesn't need to do anything at
12645 all.
12646 (is_cxx_header): Add more cases to regexp.
12647 * fixinc/fixlib.h: Update prototype.
12648 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12649 mn_get_regexps.
12650 * fixinc/fixincl.c: Define NO_BOGOSITY.
12652 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12653 (hp_sysfile): Add missing comma.
12654 (math_exception): Put the wrapper ifdefs at the beginning and
12655 the end of the file.
12656 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12658 2000-02-01 Richard Henderson <rth@cygnus.com>
12660 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12661 Use CONST0_RTX. Update all callers.
12662 * sparc.h, sparc-protos.h: Update accordingly.
12663 * sparc.md (fp mov insns): Use fp_zero_operand directly
12664 where applicable.
12666 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12668 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12669 example.
12671 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12673 * Makefile.in (specs.ready): New target.
12674 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12676 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12678 * fixinc.irix: Use unique filenames for writing into /tmp,
12679 * fixinc.ptx: Likewise.
12680 * fixinc.sco: Likewise.
12681 * fixinc.svr4: Likewise.
12682 * fixinc.winnt: Likewise.
12684 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12686 * tsystem.h: New file.
12688 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12689 s-crtS): Depend on tsystem.h.
12691 * crtstuff.c: Include tsystem.h.
12692 * frame.c: Likewise.
12693 * libgcc2.c: Likewise.
12695 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12697 * builtins.c (expand_builtin_memset): Expand for variable sized
12698 lengths too.
12700 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12702 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12703 on ABI.
12705 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12707 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12709 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12711 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12713 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12714 case 3->2 combining (combining with splitting) in which 2 is CC0
12715 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12716 checked at the begining of the function with the aid of calling
12717 function 'can_combine_p'.
12719 2000-01-31 Dave Brolley <brolley@redhat.com>
12721 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12723 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12725 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12726 new label.
12728 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12730 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12732 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12733 PROTO -> PARAMS.
12735 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12737 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12738 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12739 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12740 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12741 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12742 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12743 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12744 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12745 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12746 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12748 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12749 Add %(cpp_cpu) to CPP_SPEC.
12751 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12752 Add %(cc1_cpu) to CC1_SPEC.
12754 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12756 * c-decl.c (c_decode_option): Accept optional numeric argument to
12757 -Wformat and set warn_format.
12758 * c-common.c: Don't emit warning about non-constant printf format
12759 string unless warn_format > 1.
12761 2000-01-30 Richard Henderson <rth@cygnus.com>
12763 * alpha.md (return_internal): Allow after reload only.
12765 2000-01-30 Richard Henderson <rth@cygnus.com>
12767 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12768 local frame size is zero.
12770 2000-01-30 Richard Henderson <rth@cygnus.com>
12772 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
12773 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
12774 * alpha.md (return): Turn into an expander.
12775 (return_internal): Don't use $26.
12776 (epilogue): Emit the return insn.
12778 2000-01-30 Richard Henderson <rth@cygnus.com>
12780 * alpha.md (negtf2, abstf2): Fix word order thinko.
12781 (extendsftf2): New.
12782 (trunctfsf2): Avoid intermediate rounding errors.
12784 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12786 * cppfiles.c (find_position): Drop 'colp' argument, return the
12787 new line base.
12788 (read_and_prescan): Adjust to match. Don't ever manipulate
12789 line or line_base except via find_position.
12791 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12793 * c-parse.in: Apply Ulrich's changes from c-parse.y.
12794 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
12795 Regenerate.
12797 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12799 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
12800 just print "<command line>". If 'filename' is null or an
12801 empty string, print "<stdin>" for the filename.
12802 * cpplib.c (do_define): Don't print the 'location of the
12803 previous definition' message if we're still parsing the
12804 command line.
12805 (cpp_pedwarn_with_file_and_line): Always call
12806 cpp_file_line_for_message.
12808 2000-01-29 Mark Mitchell <mark@codesourcery.com>
12810 * flow.c (mark_regs_live_at_end): Fix typo.
12812 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12814 * c-common.c: Adjust variable names, comments, help strings to c99.
12815 * c-lex.c: Likewise.
12816 * c-parse.y: Likewise.
12817 * c-tree.h: Likewise.
12818 * cccp.c: Likewise.
12819 * cpplib.h: Likewise.
12820 * c-decl.c: Likewise. Recognize options with names "*99" as well.
12821 * cppinit.c: Likewise.
12823 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12825 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
12826 * c4x.c: Define the optab rtx values.
12827 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
12828 (c4x_emit_libcall): Use new optab rtx values.
12829 (c4x_emit_libcall3): Likewise.
12830 (c4x_emit_libcall_mulhi): Likewise.
12831 * c4x-protos.h: Add prototypes for optab rtx values and change
12832 prototypes for above c4x_emit_libcall functions.
12834 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12836 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
12837 syntax is used.
12838 (c4x_function_prologue): Use regnames intead of float_reg_names when
12839 TI syntax is used.
12840 (c4x_function_epilogue): Likewise.
12841 (c4x_print_operand): Likewise.
12842 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
12843 * c4x.md (set_high): Disable for TARGET_TI.
12845 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12847 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
12848 of framepointer + constant to ADDR_REGS class.
12849 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
12850 * c4x.c (std_or_reg_operand): New function.
12851 * c4x-protos.h (std_or_reg_operand): Prototype it.
12853 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12855 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
12856 object names as libgcc2.c.
12857 * libgcc.S: Use newly defined names.
12859 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
12860 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
12861 function.
12862 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
12863 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
12864 (FLOW_LOOP_LAST_BLOCK): Likewise.
12866 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12868 * basic-block.h (struct loop): New fields 'first' and 'last'.
12869 * flow.c (flow_loops_find): Compute loop->first and loop->last.
12870 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
12871 and loop->last to check for NOTE_INSN_LOOP_END.
12873 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
12875 * predict.c (estimate_probability): Use the new FIRST and LAST fields
12876 of the loop descriptor rather than HEADER and LATCH. Also added
12877 missing break statements as well making some coding style modifications
12878 as suggested by Michael Hayes.
12880 2000-01-28 Richard Henderson <rth@cygnus.com>
12882 * flow.c (find_basic_blocks): Remove do_cleanup argument.
12883 Break out that code ...
12884 (cleanup_cfg): ... here.
12885 (commit_one_edge_insertion): Detect a return instruction being
12886 emitted to an edge. Emit a barrier following; clear fallthru.
12887 (commit_edge_insertions): Verify CFG consistency.
12888 * function.c (expand_function_start): Kill unused variable.
12889 (expand_function_end): Likewise.
12890 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
12891 to insert the epilogue.
12893 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
12894 (delete_null_pointer_checks): Likewise.
12895 * output.h: Likewise.
12896 * reg-stack.c (reg_to_stack): Likewise.
12897 * toplev.c (rest_of_compilation): Likewise. Run
12898 thread_prologue_and_epilogue_insns after rebuilding the CFG.
12900 2000-01-28 Richard Henderson <rth@cygnus.com>
12902 * Makefile.in (flow.o): Revert 24 Jan change.
12903 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
12904 FUNCTION_VALUE result to DECL_RESULT's mode.
12906 * haifa-sched.c (schedule_insns): Don't recompute reg info
12907 after reload.
12909 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
12911 * configure.in: Make --enable-cpplib the default.
12912 * configure: Regenerate.
12913 * gcc.dg/990119-1.c: No longer expected to fail.
12915 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
12917 * jump.c (jump_optimize_1): Delete an optimization that is also done
12918 by merge_blocks in flow.
12920 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12922 * diagnostic.c (build_message_string, output_printf,
12923 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
12924 (build_location_prefix): Fix non-literal format string.
12926 2000-01-27 Richard Henderson <rth@cygnus.com>
12928 * alpha.md (trunctfsf2): New.
12930 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
12932 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
12934 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12936 * cppinit.c (cpp_handle_option): Recognize C++ comments under
12937 -std=gnu89.
12938 * cpplib.c (skip_block_comment, skip_line_comment): Split code
12939 out of...
12940 (skip_comment) ... here. Permit C++ comments in system
12941 headers always. Warn about C++ comments in user code under
12942 -std=gnu89 -pedantic.
12943 (copy_comment): Use skip_comment.
12944 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
12945 return EOF.
12946 (consider_directive_while_skipping, do_else, do_endif): Call
12947 validate_else unconditionally.
12948 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
12949 text after the conditional in a system header.
12950 * cpplib.h (struct cpp_buffer): Add flag
12951 warned_cplusplus_comments.
12953 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12955 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
12956 Use unshare_all_rtl_1.
12957 (unshare_all_rtl_again): New function.
12958 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
12960 * function.c (purge_addressof_1): Use unshare_all_rtl_again
12961 rather than resetting the 'used' flags ourself.
12963 * toplev.c (rest_of_compilation): Add current_function_decl
12964 to the unshare_all_rtl call.
12965 * tree.h: Prototype unshare_all_rtl.
12966 * rtl.h: Prototype unshare_all_rtl_again here.
12968 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12970 * genoutput.c (output_prologue): Include ggc.h in generated
12971 files.
12972 * Makefile.in (insn-output.o): Depends on ggc.h.
12974 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
12975 Hans-Peter Nilsson <hp@bitrange.com>
12977 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
12978 Remove redundant include of xm-ns32k.h.
12979 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
12980 Remove redundant include of xm-ns32k.h.
12981 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
12982 Remove redundant include of xm-ns32k.h.
12983 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
12985 * ns32k/ns32k.h: Update comment on multiply-add instructions.
12986 (TARGET_SWITCHES): Add documentation strings.
12987 (DWARF_FRAME_REGNUM): Override default definition.
12988 (REG_CLASS_CONTENTS): Add comments.
12989 (SUBSET_P): Format to reduce line length.
12990 (SMALL_REGISTER_CLASSES): Make a run time option.
12991 (GO_IF_NONINDEXED_ADDRESS): Reformat.
12992 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
12993 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
12994 (regclass_map): fix typo in comment.
12995 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
12996 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
12997 (trace, reg_or_mem_operand): Delete, unused function.
12998 (calc_address_cost): Small offsets are cheaper than large ones.
12999 (expand_block_move): Generate more efficient code when bytes is a
13000 known at compile time.
13001 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
13002 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
13003 instead of reg_or_mem_operand.
13005 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
13006 not general_operand. Similarly use "=rm" or stricter, not "=g".
13007 For input operands, use stricter constraints than "g" if not
13008 general_operand. Similarly use stricter predicate than
13009 "general_operand" when stricter constraints than "g" are present,
13010 except for matching constraints.
13011 (movstrsi): Use "memory_operand" for operands 0 and 1.
13012 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
13013 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
13014 not reg_or_mem_operand.
13015 (udivmoddisi4): Ditto.
13016 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
13017 Use nonimmediate_operand for operand 3, not register_operand.
13018 (udivmoddiqi4_internal): Use register_operand for operand 1, not
13019 reg_or_mem_operand.
13021 2000-01-27 Fred Fish <fnf@be.com>
13023 * gthr-posix.h: Fix typo; compatibily -> compatibility.
13024 * gthr-single.h: Likewise.
13025 * gthr-solaris.h: Likewise.
13026 * gthr-vxworks.h: Likewise.
13027 * gthr-win32.h: Likewise.
13028 * gthr.h: Likewise.
13030 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13032 * cppinit.c: Add " (cpplib)" to end of string printed by
13033 -v / --version.
13035 2000-01-27 Richard Henderson <rth@cygnus.com>
13037 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
13038 testing for a signed comparison.
13039 (alpha_emit_floatuns): New.
13040 * alpha-protos.h: Declare it.
13041 * alpha.md (floatunsdisf2, floatunsdidf2): New.
13042 (extendsfdf2): Tidy.
13044 2000-01-27 Jakub Jelinek <jakub@redhat.com>
13046 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
13047 no -g option specifying debugging format, default to -gstabs+.
13049 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13051 * calls.c (special_function_p): New argument fork_or_exec.
13052 (expand_call): When profile_arc_flag is set and the function
13053 is in the fork_or_exec group, call __bb_fork_func first.
13054 * libgcc2.c, _bb module (__bb_fork_func): New function.
13055 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
13056 output file.
13057 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
13058 * tree.h (special_function_p): Update prototype.
13060 2000-01-26 Richard Henderson <rth@cygnus.com>
13062 * alpha.c (alpha_split_tfmode_pair): New.
13063 * alpha-protos.h: Declare it.
13064 * alpha.md (abstf2, negtf2): New.
13065 (movtf insn): Add input G constraint.
13066 (movtf splitter): Use alpha_split_tfmode_pair.
13068 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13070 * i386/cygwin.h: PROTO -> PARAMS.
13072 2000-01-26 Jakub Jelinek <jakub@redhat.com>
13074 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
13075 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
13076 using _Qp_cmp/_Q_cmp and testing the return value.
13077 (print_operand): Call reverse_condition_maybe_unordered if
13078 we are handling CCFPmode or CCFPEmode.
13079 Handle ORDERED, UN* and LTGT comparisons.
13080 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
13081 if not TARGET_HARD_QUAD.
13082 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
13083 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
13084 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
13085 Adjust gen_b* calls so that they reflect return comparison of
13086 sparc_emit_float_lib_cmp.
13088 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13090 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
13091 incoming operands array is large enough for one more operand.
13092 (alpha_emit_xfloating_arith): Likewise.
13094 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13096 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
13097 file with one line and no trailing newline.
13098 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
13099 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
13100 checking if the match is on the line.
13101 * fixinc/gnu-regex.c: Provide regerror not __regerror.
13103 2000-01-25 Richard Henderson <rth@cygnus.com>
13105 * sparc.c (output_cbranch): Fix accidental squashing of the
13106 fp branch pre-delay nop.
13108 2000-01-25 Richard Henderson <rth@cygnus.com>
13110 * tree.def (UNNE_EXPR): Remove.
13111 * c-typeck.c (build_binary_op): Don't handle it.
13112 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
13114 * rtl.def (UNNE): Remove.
13115 (LTGT): Add.
13116 * jump.c (reverse_condition): Update accordingly.
13117 (swap_condition): Likewise.
13118 (comparison_dominates_p): Handle unordered comparisons.
13119 (reverse_condition_maybe_unordered): New.
13120 * rtl.h (reverse_condition_maybe_unordered): Declare.
13122 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
13123 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
13124 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
13125 * sparc.md (bltgt): New.
13127 2000-01-25 Nick Clifton <nickc@redhat.com>
13129 * emit-rtl.c (emit_insn): Only check machine class insns for
13130 improper emission of a RETURN.
13132 2000-01-25 Richard Henderson <rth@cygnus.com>
13134 * Makefile.in (flow.o): Depend on $(EXPR_H).
13135 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
13136 duplicate the structure of diddle_return_value for keeping regs live.
13138 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13140 * loop.c (current_loop_info): Delete.
13141 (consec_sets_invariant_p): Add loop argument, update callers.
13142 (get_condition_for_loop): Likewise.
13143 (count_nonfixed_reads, update_giv_derive): Likewise.
13144 (simplify_giv_expr, general_induction_var): Likewise.
13145 (consec_sets_giv, recombine_givs): Likewise.
13146 (move_movables): Delete loop_start and loop_end arguments,
13147 add loop argument, and update callers.
13148 (find_mem_givs, check_final_value): Likewise.
13149 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
13150 (loop_invariant_p): Rename from invariant_p, add loop argument, and
13151 update callers.
13152 (basic_induction_var): Add loop argument, delete loop_level argument,
13153 and update callers.
13154 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
13155 add loop argument, and update callers.
13156 (find_splittable_regs, find_splittable_givs): Likewise.
13157 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
13158 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
13159 (biv_total_increment): Delete loop_start and loop_end arguments;
13160 update callers.
13161 (precondition_loop_p): Delete loop_start and loop_info arguments;
13162 update callers.
13163 * loop.h (get_condition_for_loop): Add loop argument.
13164 (biv_total_increment): Delete loop_start and loop_end arguments.
13165 (precondition_loop_p): Delete loop_start and loop_info arguments;
13166 add loop argument.
13167 (final_biv_value): Delete loop_start and loop_end arguments;
13168 add loop argument.
13169 (final_giv_value, back_branch_in_range_p): Likewise.
13171 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13173 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
13175 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13177 * Makefile.in (c-gperf.h) : Change the "See" pointer to
13178 point to the new "generated_files" doc.
13180 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13182 * config/fp-bit.c (_unord_f2): Fix typo.
13184 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13186 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
13187 c-typeck.c, objc/objc-act.c: Remove all references to obstack
13188 functions obsoleted by GC, such as push_obstacks_nochange,
13189 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
13190 and code which existed only to decide whether or not to call
13191 them. Remove now-unused NESTED argument from start_function;
13192 all callers changed. Do not change behavior based on ggc_p.
13193 The use of the ixp_obstack in c-iterate.c and the util_obstack
13194 in objc/objc-act.c remain; these are not obsoleted by garbage
13195 collection.
13196 * c-tree.h: Update prototype for start_function.
13198 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
13200 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13202 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
13203 mips16.
13205 2000-01-25 Richard Henderson <rth@cygnus.com>
13207 * sparc-protos.h (select_cc_mode): Declare.
13208 * sparc.c (select_cc_mode): New. Handle unordered compares.
13209 (output_cbranch): Always reverse via code change. Handle
13210 unordered compares. Factor tests and string updates.
13211 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
13212 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
13213 * sparc.md (bunordered, bordered): New.
13214 (bungt, bunlt, buneq, bunge, bunle): New.
13216 2000-01-25 Richard Henderson <rth@cygnus.com>
13218 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
13219 * ggc-common.c (ggc_add_rtx_varray_root): New.
13220 (ggc_mark_rtx_varray): New.
13221 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
13222 functions down below ggc_mark_foo.
13223 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
13225 2000-01-25 Richard Henderson <rth@cygnus.com>
13227 * alpha.c (secondary_reload_class): Don't allocate a secondary
13228 for integral mode memories into FLOAT_REGS. Rearrange the more
13229 complicated memory expression inward.
13231 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13233 * inclhack.def: Fixes to play nicer with FreeBSD, and
13234 corrections to comments.
13235 (cxx_unready): Add select expression.
13236 (irix_sockaddr): Add bypass expression.
13237 (machine_ansi_h_va_list): New fix.
13238 (stdio_va_list): No need to edit _BSD_VA_LIST_.
13239 Split out addition of "#include <stdarg.h>" to...
13240 (stdio_stdarg_h): ... here.
13241 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
13242 to stdlib.h also. Do not munge _BSD_SIZE_T_.
13243 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
13244 size_t.
13245 (ultrix_ifdef): Tighten up select expression.
13247 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
13248 re_ct and max_mach to avoid use of shell. Make printed names
13249 match names in inclhack.def. Use static copyright date.
13250 Don't count c_test and test expressions as requiring regex_t
13251 slots. Add some commentary.
13252 * inclhack.tpl: Do not include the 'This script contains N
13253 fixup scripts' line if PROGRAM is defined. Use static
13254 copyright date.
13256 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
13258 * dwarf2out.c: include "varray.h", not dyn-string.h.
13259 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
13260 (addr_const_to_string, addr_to_string): Lose.
13261 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
13262 (struct dw_val_struct): val_addr is now an rtx.
13263 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
13264 (used_rtx_varray): New varray.
13265 (dwarf2out_init): Initialize it.
13266 (save_rtx): New fn.
13267 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
13268 addr_to_string.
13269 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
13270 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
13271 * Makefile.in (dwarf2out.o): Update dependencies.
13273 2000-01-24 Richard Henderson <rth@cygnus.com>
13275 * i386.c (i386_dwarf_output_addr_const): New.
13276 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
13278 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
13279 if defined.
13280 * dwarfout.c (output_mem_loc_descriptor): Likewise.
13281 * i386.c (i386_simplify_dwarf_addr): New.
13282 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
13284 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
13286 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
13287 TYPE_STUB_DECL is NULL.
13289 2000-01-24 Richard Henderson <rth@cygnus.com>
13291 * builtins.c (expand_tree_builtin): Move ...
13292 * c-common.c (expand_tree_builtin): ... here.
13294 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13296 * loop.h (LOOP_INFO): New accessor macro.
13297 * basic-block.h (struct loop): Rename field `info' to `aux'.
13298 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
13299 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
13300 * unroll.c (loop_iterations, unroll_loop): Likewise.
13302 2000-01-24 Christopher Faylor <cgf@cygnus.com>
13304 * config/i386/t-cygwin: Accomodate new winsup directory layout
13305 when searching for include files.
13307 2000-01-24 Richard Henderson <rth@cygnus.com>
13309 * rtl.def: Add unordered fp comparisions.
13310 * tree.def: Likewise.
13311 * tree.h: Add ISO C 9x unordered fp comparision builtins.
13313 * builtins.c (expand_tree_builtin): New function.
13314 * c-typeck.c (build_function_call): Use it.
13315 (build_binary_op): Support unordered compares.
13316 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
13318 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
13319 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
13320 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
13321 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
13322 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13323 return UNKNOWN.
13324 (swap_condition): Handle unordered compares.
13325 (thread_jumps): Check can_reverse before reversing.
13326 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13327 reversed for FP.
13329 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13330 setcc is present before acking for cmp_optab. Update all callers.
13331 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13332 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13333 * expr.c (expand_expr): Likewise. Support unordered compares.
13334 (do_jump, do_store_flag): Likewise.
13335 * expr.h (enum libfunc_index): Add unordered compares.
13337 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13338 (DPBIT_FUNCS): Add _unord_df.
13339 * config/fp-bit.c (_unord_f2): New.
13340 * fp-test.c (main): Try unordered compare builtins.
13342 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13343 * alpha.c (alpha_comparison_operator): Check mode properly.
13344 (alpha_swapped_comparison_operator): Likewise.
13345 (signed_comparison_operator): Likewise.
13346 (alpha_fp_comparison_operator): New.
13347 (alpha_emit_conditional_branch): Handle unordered compares.
13348 * alpha.h (PREDICATE_CODES): Update.
13349 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13350 (bunordered, bordered): New.
13352 2000-01-24 Richard Henderson <rth@cygnus.com>
13354 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13355 * alpha.md (movtf): New expander, insn, and splitter.
13357 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13359 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13360 dead registers.
13362 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13364 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13365 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13366 REG_ALLOC_ORDER): Add frame pointer
13367 (FRAME_POINTER_REGNUM): Set to 20
13368 (HARD_FRAME_POINTER_REGNUM): New macro.
13369 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13370 to HARD_FRAME_POINTER.
13371 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13372 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13373 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13374 (HI_REGISTER_NAMES): Add "frame".
13375 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13376 (debug_reg): Handle FRAME_POINTER_REGNUM.
13377 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13378 GENERAL_REGS and INDEX_REGS.
13379 * i386.c (SAVED_REGS_FIRST): new macro.
13380 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13381 (ix86_decompose_address, memory_address_length): Likewise.
13382 (regclass_map): Add frame pointer.
13383 (call_insn_operand): Handle frame_pointer_rtx.
13384 (reg_no_sp_operand): Likewise.
13385 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13386 (print_operand, legitimize_pic_address): Fix formating.
13387 (ix86_compute_frame_size): Make static, update prototype, new
13388 parameters padding1, padding2, use ix86_nsaved_regs, use
13389 stack_alignment_needed.
13390 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13391 to HARD_FRAME_POINTER_REGNUM conversions.
13392 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13393 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13394 (print_reg): Abort on FRAME_POINTER_REGNUM
13396 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13398 * i386.h (PREDICATE_CODES): Add aligned_operand.
13399 * i386.c (aligned_operand): New function.
13400 (ix86_aligned_p): Kill.
13401 * i386.md (movhi_1): Emit mov for aligned operands.
13402 (promoting peep2s): Use aligned_operand.
13404 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13406 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13407 expression to allow underscores in macro names.
13408 (fix_char_macro_defines): Increment scanning pointer.
13410 2000-01-23 Richard Henderson <rth@cygnus.com>
13412 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13413 * alpha/osf5.h: New file.
13414 * configure.in (alpha-*-osf5): Add it to tm_file.
13416 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13418 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13419 (alpha_emit_xfloating_cvt, function_arg): Declare.
13420 * alpha.c (alpha_emit_conditional_branch): Call
13421 alpha_emit_xfloating_compare for TFmode compares.
13422 (alpha_lookup_xfloating_lib_func): New.
13423 (alpha_compute_xfloating_mode_arg): New.
13424 (alpha_emit_xfloating_libcall): New.
13425 (alpha_emit_xfloating_arith): New.
13426 (alpha_emit_xfloating_compare): New.
13427 (alpha_emit_xfloating_cvt): New.
13428 (print_operand): Add default abort case.
13429 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13430 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13431 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13432 (RETURN_IN_MEMORY): True for TF/TCmode.
13433 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13434 (FUNCTION_ARG): Move to function_arg.
13435 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13436 (ASM_OUTPUT_LONG_DOUBLE): New.
13437 (ASM_OUTPUT_DOUBLE): Always output bits.
13438 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13439 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13440 (extenddftf2, trunctfdf2): New.
13442 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13444 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13445 * config/sparc/sol2.h: ... here.
13447 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13449 * basic-block.h (struct loops): New field `levels'.
13450 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13451 (flow_loop_level_compute): Initialise level to 1.
13452 (flow_loops_find): Set loops->levels.
13453 (flow_loops_dump): Print loops->levels.
13455 2000-01-23 Richard Henderson <rth@cygnus.com>
13457 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13458 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13460 2000-01-23 Richard Henderson <rth@cygnus.com>
13462 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13463 * i386.h (DBX_REGISTER_NUMBER): Use them.
13464 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13465 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13466 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13467 * i386/sequent.h: Kill incorrect comment.
13469 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13471 * ggc-page.c (struct page_entry): Make `context_depth' an
13472 `unsigned short'.
13473 (struct globals): Likewise.
13475 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13477 * loop.c (check_dbra_loop): When checking a loop for
13478 reversability, check the source of any stores to ensure
13479 they don't depend on an initial value.
13481 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13483 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13485 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13487 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13488 'pz_scan' into scope of entire function. Only affects
13489 compiles with -DDEBUG.
13491 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13493 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13494 section naming to that prior to 2000-01-07 patch.
13495 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13496 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13497 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13498 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13499 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13501 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13503 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13504 constant.
13506 2000-01-21 Jim Wilson <wilson@cygnus.com>
13508 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13509 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13511 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13513 * cpphash.c (change_newlines): Delete function.
13514 (struct argdata): Delete 'newlines' and 'use_count' fields.
13515 (macroexpand): Remove code referencing those fields.
13517 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13519 * loop.c (loops_info): New variable.
13520 (loop_optimize): Allocate loops->array and free it on exit.
13521 Allocate memory for loops_info and assign to each loop,
13522 replacing alloca.
13523 (find_and_verify_loops): Do not allocate loops->array.
13525 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13527 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13529 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13531 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13532 pseudos if expanded after first flow.
13533 (movdi_pic_label_ref): Likewise.
13535 2000-01-20 Richard Henderson <rth@cygnus.com>
13537 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13539 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13541 * Makefile.in (fixinc.sh): Depend on specs.
13542 * fixinc/Makefile.in: Add rule to create machname.h.
13543 (fixlib.o): Depend on machname.h.
13544 * fixinc/fixtests.c (machine_name): New test.
13545 * fixinc/fixfixes.c (machine_name): New fix.
13546 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13547 the machine_name test and fix.
13548 * fixinc/fixlib.h: Prototype it.
13549 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13550 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13552 * gcc.c (do_spec_1) [case P]: Take care not to create
13553 identifiers with three leading or trailing underscores.
13555 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13556 (fixincl): Don't specify libraries twice on link line.
13557 (gnu-regex.o): Remove special rule.
13558 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13559 defined by config.h. Do not define _REGEX_RE_COMP.
13560 (regcomp): Allocate and initialize a fastmap.
13561 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13563 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13565 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13567 2000-01-19 Richard Henderson <rth@cygnus.com>
13569 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13570 arguments with BB. Update all callers. Tidy line wrapping.
13572 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13574 * emit-rtl.c (try_split): Return last_insn if we split the
13575 last_insn.
13577 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13579 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13580 (ix86_initial_elimination_offset): Declare.
13581 * i386.c (ix86_nsaved_regs): Break out from ...
13582 (ix86_can_use_return_insn_p): ... here.
13583 (ix86_emit_save_regs): Break out from ...
13584 (ix86_expand_prologue): ... here.
13585 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13586 out from ...
13587 (ix86_expand_epilogue): ... here.
13588 (ix86_compute_frame_size): Make static, add prototype.
13589 (ix86_initial_elimination_offset): Break out from ...
13590 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13592 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13594 * recog.h (OUT_FCN): Delete.
13596 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13598 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13600 * cppalloc.c: PROTO -> PARAMS.
13601 * cpperror.c: Likewise.
13602 * cppfiles.c: Likewise.
13603 * cpplib.c: Likewise.
13604 * cpplib.h: Likewise.
13606 * config/arm/arm-protos.h: PROTO -> PARAMS.
13607 * config/arm/arm.c: Likewise.
13608 * config/c4x/c4x.c: Likewise.
13609 * config/fr30/fr30-protos.h: Likewise.
13610 * config/nextstep.c: Likewise.
13611 * config/pa/pa.c: Likewise.
13612 * config/pj/pj.c: Likewise.
13613 * config/rs6000/rs6000.c: Likewise.
13614 * config/v850/v850-protos.h: Likewise.
13615 * config/v850/v850.c: Likewise.
13617 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13619 * i370-protos.h: New file.
13621 * i370.c: Include tm_p.h. Fix compile time warnings.
13623 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13624 warnings.
13626 * i370.md: Likewise.
13628 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13630 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13631 (target_isinf, target_isnan, eisnan): Mark parameter with
13632 ATTRIBUTE_UNUSED.
13633 (eiisinf): Wrap in INFINITY.
13634 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13635 (ibmtoe): Remove unused variable `rndsav'.
13637 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13639 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13640 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13642 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13644 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13645 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13646 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13648 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13649 Recognize Emacs mode markers also.
13650 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13651 C++ comments in C++ headers. Call is_cxx_header only if
13652 necessary.
13654 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13655 bypass for ncurses.
13656 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13657 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13658 ... these, which use the new C fixes.
13659 (math_exception): Escape literal '+' in bypass expression.
13661 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13662 Regenerate.
13664 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13666 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13667 inside the MEM.
13669 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13671 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13672 prior to calling scan_loop.
13674 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13676 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13677 (split_branches, calc_live_regs): Likewise.
13679 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13681 * sh.md (fpu_single, fp_mode): New attributes.
13683 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13685 * loop.c (current_loop_info): Renamed from loop_info_data
13686 and changed to a pointer.
13687 (loop_optimize): Allocate loop_info structure for each loop
13688 and initialise to zero.
13689 (scan_loop): Set current_loop_info.
13691 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13692 on iteration_var.
13694 2000-01-19 Richard Henderson <rth@cygnus.com>
13696 * stupid.c: Die die die.
13697 * Makefile.in (OBJS): Remove stupid.o.
13698 (stupid.o): Likewise.
13700 * except.c (emit_eh_context): Don't emit USEs for stupid.
13701 * explow.c (probe_stack_range): Likewise.
13702 * flags.h (obey_regdecls): Remove.
13703 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13704 when not optimizing.
13705 (life_analysis): Limit data collection when not optimizing.
13706 (mark_regs_live_at_end): Always mark the return value registers.
13707 (mark_used_regs): Remove dummy RETURN case.
13708 (print_rtl_with_bb): Don't consult obey_regdecls.
13709 * function.c (use_variable, use_variable_after): Remove.
13710 (assign_parms): Consult optimize not obey_regdecls.
13711 (expand_function_start): Don't emit USEs for stupid.
13712 (expand_function_end): Likewise.
13713 * global.c (build_insn_chain): Export.
13714 * integrate.c (expand_inline_function): Kill return-value USE
13715 handling code.
13716 * jump.c (jump_optimize_1): Do simple jump optimizations and
13717 dead code elimination.
13718 (calculate_can_reach_end): Remove check_deleted argument.
13719 (delete_insn): Patch out insns even when not optimizing.
13720 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13721 * rtl.h (use_variable, use_variable_after): Remove declarations.
13722 (build_insn_chain): Declare.
13723 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13724 (expand_end_bindings): Likewise.
13725 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13726 * toplev.c (obey_regdecls): Remove.
13727 (rest_of_compilation): Don't set it. Kill stupid in favour of
13728 flow1, local-alloc, and reload.
13729 (main): Don't set obey_regdecls.
13731 * config/nextstep.c (handle_pragma): Likewise.
13733 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13735 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13737 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13739 * alpha-protos.h: PROTO -> PARAMS.
13740 * alpha.c: Likewise.
13741 * elf.h: Likewise.
13742 * h8300.c: Likewise.
13743 * i386-protos.h: Likewise.
13744 * i386.c: Likewise.
13745 * m32r-protos.h: Likewise.
13746 * m32r.c: Likewise.
13747 * mips.c: Likewise.
13748 * mips.md: Likewise.
13749 * gmon-sol2.c: Likewise.
13750 * sparc.c: Likewise.
13752 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13754 * ns32k-protos.h: New file.
13756 * ns32k.c: Fix compile time warnings.
13758 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13759 warnings.
13761 * ns32k.md: Likewise.
13763 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13765 * vax-protos.h: New file.
13767 * vax.c: Fix compile time warnings.
13769 * vax.h: Move prototypes to vax-protos.h. Fix compile time
13770 warnings.
13772 * vax.md: Likewise.
13774 * vaxv.md: Likewise.
13776 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13778 * romp-protos.h: New file.
13780 * romp.c: Fix compile time warnings.
13782 * romp.h: Move prototypes to romp-protos.h. Fix compile time
13783 warnings.
13785 * romp.md: Likewise.
13787 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13789 * we32k-protos.h: New file.
13791 * we32k.c: Fix compile time warnings.
13793 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
13794 warnings.
13796 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13798 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
13800 * except.c (eh_regs): Likewise.
13802 * final.c (output_operand): Likewise.
13804 * fold-const.c (target_isinf, target_isnan): Likewise.
13806 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13808 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
13809 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
13811 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
13812 when optimize_size.
13813 (clrstrsi): Rewrite.
13814 (strsethi, strsetqi): New expanders.
13815 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
13816 (cmpstrsi): Emit compare insn before cmpstrsi_1
13817 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
13818 (strlensi_1): Likewise.
13819 (cmpstrsi_1): Likewise; do not output compare.
13820 (strlen expander): Do not unroll when optimizing for size.
13821 (*subsi3_carry): Rename to subsi3_carry
13822 (addqi3_cc): New pattern.
13823 * i386.h (processor_costs): Add move_ratio field.
13824 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
13825 * i386.c (*_cost): Set move_ratio.
13826 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
13827 (x86_expand_strlensi_1): Rewrite the main loop.
13829 2000-01-17 Richard Henderson <rth@cygnus.com>
13831 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
13832 * cse.c (find_comparison_args, fold_rtx): Likewise.
13833 * integrate.c (subst_constants): Likewise.
13834 * loop.c (get_condition): Likewise.
13836 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
13838 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
13840 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13842 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
13843 (RESTORE_WARN_FLAGS): Unpack it.
13844 Change semantic type of extension to ttype.
13845 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
13846 * c-parse.y, c-parse.c, objc/objc-parse.y,
13847 objc/objc-parse.c: Regenerate.
13849 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
13851 * fixinc/fixlib.c: Add copyright notice.
13852 (compile_re): New function.
13853 * fixinc/fixlib.h: Prototype compile_re.
13855 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
13856 Use compile_re to compile regular expressions.
13858 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
13859 where the pattern matched.
13861 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
13862 use 'replace'.
13863 (ultrix_ansi_compat): Likewise.
13864 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
13865 add egrep test.
13866 (interactv_add2, interactv_add3): Delete.
13867 (x11_sprintf): Don't use filename glob.
13868 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
13869 Regenerate.
13871 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13873 * print-rtl.c: PROTO -> PARAMS.
13874 * real.c: Likewise.
13875 * reg-stack.c: Likewise.
13876 * resource.c: Likewise.
13877 * sdbout.h: Likewise.
13878 * simplify-rtx.c: Likewise.
13879 * stor-layout.c: Likewise.
13880 * stupid.c: Likewise.
13881 * xcoffout.c: Likewise.
13882 * xcoffout.h: Likewise.
13884 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13886 * toplev.c: PROTO -> PARAMS.
13887 * toplev.h: Likewise.
13888 * tree.c: Likewise.
13889 * tree.h: Likewise.
13890 * unroll.c: Likewise.
13891 * varasm.c: Likewise.
13892 * varray.c: Likewise.
13893 * varray.h: Likewise.
13895 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13897 * reload.c: PROTO -> PARAMS.
13898 * reload.h: Likewise.
13899 * reload1.c: Likewise.
13900 * reorg.c: Likewise.
13901 * resource.h: Likewise.
13902 * rtl.c: Likewise.
13903 * rtl.h: Likewise.
13904 * rtlanal.c: Likewise.
13905 * sbitmap.h: Likewise.
13906 * sdbout.c: Likewise.
13907 * stack.h: Likewise.
13908 * stmt.c: Likewise.
13909 * system.h: Likewise.
13911 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13913 * machmode.h: PROTO -> PARAMS.
13914 * mbchar.h: Likewise.
13915 * mips-tdump.c: Likewise.
13916 * mips-tfile.c: Likewise.
13917 * optabs.c: Likewise.
13918 * output.h: Likewise.
13919 * prefix.c: Likewise.
13920 * profile.c: Likewise.
13921 * protoize.c: Likewise.
13922 * real.h: Likewise.
13923 * recog.c: Likewise.
13924 * recog.h: Likewise.
13925 * regclass.c: Likewise.
13926 * regmove.c: Likewise.
13927 * regs.h: Likewise.
13929 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13931 * ggc-common.c: PROTO -> PARAMS.
13932 * ggc-page.c: Likewise.
13933 * ggc-simple.c: Likewise.
13934 * ggc.h: Likewise.
13935 * global.c: Likewise.
13936 * graph.c: Likewise.
13937 * gthr-win32.h: Likewise.
13938 * haifa-sched.c: Likewise.
13939 * halfpic.h: Likewise.
13940 * integrate.c: Likewise.
13941 * integrate.h: Likewise.
13942 * jump.c: Likewise.
13943 * lcm.c: Likewise.
13944 * local-alloc.c: Likewise.
13945 * loop.c: Likewise.
13946 * loop.h: Likewise.
13948 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13950 * genattr.c: PROTO -> PARAMS.
13951 * genattrtab.c: Likewise.
13952 * gencheck.c: Likewise.
13953 * gencodes.c: Likewise.
13954 * genconfig.c: Likewise.
13955 * genemit.c: Likewise.
13956 * genextract.c: Likewise.
13957 * genflags.c: Likewise.
13958 * gengenrtl.c: Likewise.
13959 * genopinit.c: Likewise.
13960 * genoutput.c: Likewise.
13961 * genpeep.c: Likewise.
13962 * genrecog.c: Likewise.
13964 2000-01-16 Mark Mitchell <mark@codesourcery.com>
13966 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
13968 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13970 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
13971 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
13972 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
13973 * configure, config.in: Rebuilt.
13975 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
13977 * config/i386/i386.md: Add peephole to merge successive stack
13978 adjusts.
13980 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
13982 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
13983 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
13984 when walking backwards to find all the parameter loads when
13985 the basic block ends in a call.
13987 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13989 * loop.c (this_loop_info): Delete.
13990 (uid_loop): Add in place of uid_loop_num. All uses updated.
13991 (loop_number_exit_count): Delete and replace with entry in loop
13992 structure. All uses updated.
13993 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13994 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13995 (loop_outer_loop): Likewise.
13996 (loop_invalid, loop_number_exit_labels): Likewise.
13997 (loop_used_count_register): Delete and replace with entry in
13998 loop_info structure.
13999 (find_and_verify_loops): Add loops argument.
14000 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
14001 loop_end, etc. arguments with loop structure pointer. All callers
14002 changed.
14003 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
14004 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
14005 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
14006 (insert_bct): Likewise.
14007 (basic_induction_var): New argument level.
14008 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
14009 vtop, and cont. Add used_count_register.
14010 (uid_loop): Delete declaration.
14011 (loop_number_exit_count): Likewise.
14012 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14013 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14014 (loop_outer_loop, loop_used_count_register): Likewise.
14015 (loop_invalid, loop_number_exit_labels): Likewise.
14016 (unroll_loop): Replace loop_start and loop_end arguments
14017 with loop structure pointer.
14018 (loop_precondition_p, loop_iterations): Likewise.
14019 Include basic-block.h.
14020 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
14021 with loop structure pointer.
14022 (loop_precondition_p, loop_iterations): Likewise.
14023 * basic-block.h (struct loop): New entries vtop, cont,
14024 cont_dominator, start, end, top, scan_start, exit_labels,
14025 exit_count.
14026 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
14028 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14030 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
14032 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
14034 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
14036 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14038 * pdp11-protos.h: New file.
14040 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
14041 time warnings.
14043 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
14044 warnings.
14046 * pdp11.md: Likewise.
14048 * 2bsd.h: Likewise.
14050 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14052 * mn10300-protos.h: New file.
14054 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
14055 time warnings.
14057 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
14058 warnings.
14060 * mn10300.md: Likewise.
14062 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14064 * mn10200-protos.h: New file.
14066 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
14067 time warnings.
14069 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
14070 warnings.
14072 * mn10200.md: Likewise.
14074 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14076 * h8300-protos.h: New file.
14078 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
14079 time warnings.
14081 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
14082 warnings.
14084 * h8300.md: Likewise.
14086 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14088 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
14089 (asm_emit_uninitialised): Likewise.
14091 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
14093 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
14094 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
14096 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14098 * config/mips/mips.c (override_options): Don't turn on extra
14099 alignment for mips16.
14101 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14103 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
14104 eabi, and make sure queued POSTINCREMENT rtl is emitted at
14105 the right point.
14107 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14109 * builtins.c (PAD_VARARGS_DOWN): Define.
14110 (std_expand_builtin_va_arg): Use the above macro.
14111 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
14112 * tm.texi (Register Arguments): Document the above macro.
14114 2000-01-14 Nick Clifton <nickc@cygnus.com>
14116 * emit-rtl.c (emit_insn): If checking is enabled, make sure
14117 that this function has not been used to emit a jump
14118 instruction.
14120 * jump.c (return_jump_1): Cope with being passed a null rtx.
14122 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14124 * eh-common.h: PROTO -> PARAMS.
14125 * emit-rtl.c: Likewise.
14126 * errors.c: Likewise.
14127 * errors.h: Likewise.
14128 * except.c: Likewise.
14129 * except.h: Likewise.
14130 * explow.c: Likewise.
14131 * expmed.c: Likewise.
14132 * expr.c: Likewise.
14133 * expr.h: Likewise.
14134 * final.c: Likewise.
14135 * fix-header.c: Likewise.
14136 * flow.c: Likewise.
14137 * fold-const.c: Likewise.
14138 * function.c: Likewise.
14139 * function.h: Likewise.
14140 * gcc.c: Likewise.
14141 * gcov-io.h: Likewise.
14142 * gcov.c: Likewise.
14143 * gcse.c: Likewise.
14145 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14147 * sh-protos.h: New file.
14149 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
14150 Add static prototypes. Fix compile time warnings.
14152 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
14153 * sh.md: Likewise.
14154 * elf.h: Likewise.
14156 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14158 * arc-protos.h: New file.
14160 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
14161 time warnings.
14163 * arc.h: Move prototypes to arc-protos.h. Fix compile time
14164 warnings.
14166 * arc.md: Likewise.
14168 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14170 * dsp16xx-protos.h: New file.
14172 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
14173 time warnings.
14175 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
14176 warnings.
14178 * dsp16xx.md: Likewise.
14180 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14182 * convex-protos.h: New file.
14184 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
14185 time warnings.
14187 * convex.h: Move prototypes to convex-protos.h. Fix compile time
14188 warnings.
14190 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14192 * elxsi-protos.h: New file.
14194 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
14195 time warnings.
14197 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
14198 warnings.
14200 * elxsi.md: Likewise.
14202 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14204 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
14205 case for moving from HI/LO/HI_LO_REG. This makes the behavior
14206 match the comment for MIPS16.
14208 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
14210 * flow.c (split_edge): Do not call set_block_for_insn if we
14211 do not have a basic_block_for_insn structure.
14213 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
14214 and destination functions are 32bit aligned within the trampoline.
14215 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
14216 (TRAMPOLINE_ALIGNMENT): Define.
14218 * cse.c (cse_insn): When changing (set (pc) (reg)) to
14219 (set (pc) (label_ref)), verify the change creates a valid insn.
14221 * fr30.c (call_operand): Tighten and rework to match rules for
14222 call RTL expressions.
14223 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
14224 * fr30.md (call patterns): Improve constraints.
14226 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
14228 * fr30.c (fr30_expand_epilogue): Revert last change.
14229 Use emit_jump_insn for the return insn.
14231 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
14232 Stan Cox <scox@cygnus.com>
14234 * predict.c: New file. Preliminary infrastructure work for static
14235 branch prediction and basic block reordering.
14236 * basic-block.h: Add prototype for estimate_probability.
14237 * Makefile.in: Add rules for predict.o.
14239 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
14241 * fixincludes (va_list): Use __not_va_list__ for the dummy.
14242 * fixinc/*: Likewise.
14244 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14246 * cccp.c: PROTO -> PARAMS.
14247 * cexp.y: Likewise.
14248 * collect2.c: Likewise.
14249 * combine.c: Likewise.
14250 * convert.h: Likewise.
14251 * cse.c: Likewise.
14252 * dbxout.c: Likewise.
14253 * dbxout.h: Likewise.
14254 * diagnostic.c: Likewise.
14255 * doprint.c: Likewise.
14256 * dwarf2out.c: Likewise.
14257 * dwarf2out.h: Likewise.
14258 * dwarfout.c: Likewise.
14259 * dwarfout.h: Likewise.
14260 * dyn-string.h: Likewise.
14262 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14264 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
14265 macro conditionals guarding use.
14267 * dwarf2out.c: Include "tm_p.h".
14269 * function.c (locate_and_pad_parm): Mark parameter with
14270 ATTRIBUTE_UNUSED.
14271 (expand_function_end): Likewise for variable `context'.
14273 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
14275 2000-01-13 Nick Clifton <nickc@cygnus.com>
14277 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
14278 register to prevent compile time warnings.
14280 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
14282 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
14283 to avoid -Wtraditional warning.
14285 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14287 * 1750a-protos.h: New file.
14289 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
14290 time warnings.
14292 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
14293 warnings.
14295 * 1750a.md: Likewise.
14297 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14299 * a29k-protos.h: New file.
14301 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
14302 time warnings.
14304 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
14305 warnings.
14307 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14309 * clipper-protos.h: New file.
14311 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
14312 time warnings.
14314 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
14315 warnings.
14317 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14319 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
14321 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14323 * configure.in (--enable-new-gxx-abi): New option.
14324 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14325 * Makefile.in (GXX_ABI_FLAG): New variable.
14326 * configure: Regenerate.
14328 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14330 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14331 * tm.texi (FORCE_STRUCT_BLK): Document.
14332 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14334 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14336 * config/ns32k/ns32k.md: Revert Jan 9 change.
14338 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14339 to a mode-test, if the predicate is address_operand.
14341 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14343 * combine.c (if_then_else_cond): Be careful about what kinds
14344 of RTL expressions are passed to operand_subword.
14346 * flow.c (split_edge): If we have to insert a new jump, make
14347 sure to associate it with a basic block.
14349 * flow.c (commit_one_edge_insertion): A block with one successor
14350 can end in a JUMP_INSN that is not a simplejump.
14352 2000-01-12 Robert Lipe <robertl@sco.com>
14354 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14355 (BUILD_VA_LIST_TYPE): Define.
14356 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14357 with crtstuff.c.
14359 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14361 * cccp.c (do_pragma): Add cast to (char *).
14363 2000-01-12 Richard Henderson <rth@cygnus.com>
14364 Fred Fish <fnf@be.com>
14365 Jason Merrill <jason@cygnus.com>
14367 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14368 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14369 * i386/beos-elf.h, i386/beos-pe.h: New files.
14371 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14372 * cross-make (SYSTEM_HEADER_DIR): Define using
14373 CROSS_SYSTEM_HEADER_DIR.
14375 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14376 (process_command): Use it.
14377 (main): Likewise. Kill trailing = from env vars.
14378 (build_search_list): Put it back.
14379 * collect2.c (main): Use LIBRARY_PATH_ENV.
14381 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14382 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14384 * tm.texi (Frame Layout): Document SMALL_STACK.
14385 * c-common.c (c_common_nodes_and_builtins): Check it.
14387 * system.h: Undef alloca after including glibc's <stdlib.h>,
14388 if USE_C_ALLOCA is defined.
14390 * gcc.c (set_input): New fn.
14391 (main): After all input files are compiled, reset the input file
14392 info to the first.
14394 * aclocal.m4 (rindex, index): If already defined, don't attempt
14395 to redefine.
14397 * ginclude/varargs.h: (__va_list__): Define ifndef.
14398 * ginclude/stdarg.h: Likewise.
14400 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14401 instead of unsigned char.
14403 * hash.h (true, false, boolean): Undef before enum.
14405 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14406 proper type of "HOST_WIDE_INT *", rather than their natural type of
14407 "unsigned HOST_WIDE_INT *".
14409 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14411 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14413 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14415 * regclass.c (choose_hard_reg_mode): Likewise.
14417 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14419 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14421 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14423 * c-common.c: PROTO -> PARAMS.
14424 * c-common.h: Likewise.
14425 * c-decl.c: Likewise.
14426 * c-iterate.c: Likewise.
14427 * c-lang.c: Likewise.
14428 * c-lex.c: Likewise.
14429 * c-lex.h: Likewise.
14430 * c-parse.in: Likewise.
14431 * c-pragma.c: Likewise.
14432 * c-pragma.h: Likewise.
14433 * c-tree.h: Likewise.
14434 * c-typeck.c: Likewise.
14435 * objc/objc-act.c: Likewise.
14436 * objc/objc-act.h: Likewise.
14438 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14440 * m88k-protos.h: New file.
14442 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14443 time warnings.
14445 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14447 * m88k.md: Likewise.
14449 * tekXD88.h: Likewise.
14451 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14453 * m68k-protos.h: New file.
14455 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14456 time warnings.
14458 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14460 * mot3300.h: Likewise.
14462 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14464 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14465 extract_bitlst.
14466 (extract_bitlist): Declare bitlen.
14468 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14470 * cccp.c: Accept and ignore -lang-fortran.
14472 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14473 qualifiers don't match at any level of pointerness.
14475 2000-01-12 Robert Lipe <robertl@sco.com>
14477 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14479 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14481 * reload1.c (reload_reg_unavailable): New static variable.
14482 (reload_reg_free_p): Test it.
14483 (reload_reg_free_for_value_p): Test it instead of
14484 reload_reg_used.
14485 (choose_reload_regs_init): Compute it.
14487 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14489 * reorg.c (fill_slots_from_thread): Check modified_in_p
14490 before replacing.
14492 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14494 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14495 these nodes even if INTERNALS is not set.
14497 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14499 * gcse.c (delete_null_pointer_checks_1): Cope when
14500 get_condition cannot determine the condition.
14502 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14504 * toplev.h (set_message_length): Declare.
14506 * diagnostic.c (obstack_chunk_alloc): Define macro.
14507 (obstack_chunk_free): Likewise.
14508 (struct output_buffer): New data structure.
14509 (vmessage): Remove.
14510 (output_maximum_width): New variable.
14511 (doing_line_wrapping, set_message_length, init_output_buffer,
14512 get_output_prefix, output_space_left, emit_output_prefix,
14513 output_newline, output_append, output_puts, dump_output,
14514 vbuild_message_string, build_message_string, build_location_prefix,
14515 voutput_notice, output_printf, line_wrapper_printf,
14516 vline_wrapper_message_with_location): New functions. Implement
14517 automatic line wrapping.
14518 (v_message_with_decl): Make it handle automatic line wrapping.
14519 (v_error_with_file_and_line): Likewise.
14520 (v_warning_with_file_and_line): Likewise.
14521 (announce_function): Likewise.
14522 (default_print_error_function): Likewise.
14524 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14526 * cpplib.h (struct cpp_options): Change lang_asm to char.
14527 Add lang_fortran.
14528 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14529 done in cpp_handle_option now.
14530 (initialize_builtins): Take out special case code used only by
14531 __STDC_VERSION__.
14532 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14533 if -traditional. Recognize -lang-fortran and set
14534 lang_fortran, also turn off cplusplus_comments.
14535 (print_help): Document -lang-fortran.
14536 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14537 lang_asm. Ignore all directives other than `# 123 "file"' if
14538 CPP_PREPROCESSED.
14539 (cpp_get_token): If -traditional, don't recognize directives
14540 unless the # is in column 1.
14541 (parse_string): If lang_fortran or lang_asm, silently
14542 terminate strings ('' or "") at end of line.
14543 Remove unnecessary braces.
14545 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14546 Richard Henderson <rth@cygnus.com>
14548 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14549 as used.
14550 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14551 strict_low_part when possible.
14553 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14555 * alias.c: PROTO -> PARAMS.
14556 * basic-block.h: Likewise.
14557 * bitmap.c: Likewise.
14558 * bitmap.h: Likewise.
14559 * builtins.c: Likewise.
14560 * c-aux-info.c: Likewise.
14561 * caller-save.c: Likewise.
14562 * calls.c: Likewise.
14564 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14566 * Makefile.in (toplev.o): Depend on regs.h.
14568 * output.h (tdesc_section): Prototype.
14570 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14572 * sdbout.c: Include "tm_p.h".
14574 * toplev.c: Include "regs.h".
14576 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14578 * unroll.c (unroll_loop): Add EH support.
14580 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14582 * pa-protos.h: New file.
14584 * pa.c: Include recog.h and tm_p.h.
14585 (compute_zdepwi_operands, compute_movstrsi_length,
14586 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14587 find_addr_reg, import_milli): Add static prototypes.
14588 (pa_cpu_string, pa_arch_string): Constify a char*.
14589 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14590 (read_only_operand): Add argument `mode'.
14591 (singlemove_string, output_move_double, output_fp_move_double,
14592 output_block_move, output_and, output_ior, output_ascii,
14593 remove_useless_addtr_insns, milli_names, output_mul_insn,
14594 output_div_insn, output_mod_insn, output_arg_descriptor,
14595 output_cbranch, output_bb, output_bvb, output_dbra, ,
14596 output_millicode_call, output_call, hppa_encode_label,
14597 output_parallel_movb, output_parallel_addb): Constify a char*.
14598 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14599 (output_parallel_addb): Remove extra arg to `constrain_operands'
14601 * pa.h: Move all prototypes to pa-protos.h.
14602 (pa_cpu_string, pa_arch_string): Constify a char*.
14603 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14605 * pa.md: Call `function_label_operand' with mode argument.
14606 Likewise for `read_only_operand'.
14607 Fix nesting of parens in call to `symbolic_operand'.
14609 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14611 * i860-protos.h: New file.
14613 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14614 time warnings.
14616 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14618 * i860.md: Likewise.
14620 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14622 * i386.md (movstrsi expander): Rewrite.
14623 (movstrsi_1 insn): Deleted.
14624 (strmovhi, strmovqi expander): New expanders.
14625 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14626 * i386.c (x86_single_stringop): New global variable.
14627 * i386.h (x86_single_stringop): Declare.
14628 (TARGET_SINGLE_STRINGOP): New macro.
14630 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14632 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14633 integer vararg POSTINCREMENT before the destination of the jump
14634 for the hard fp case.
14635 (function_arg_pass_by_reference): Pass a copy of CUM to
14636 FUNCTION_ARG.
14638 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14639 for CONSTANT_ADDRESS_P above while loop for subreg.
14641 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14643 * flow.c (propagate_block): When a prologue/epilogue insn
14644 is marked dead, unconditionally clear libcall_is_dead and
14645 insn_is_dead, and only dump rtl if warnings aren't being
14646 suppressed.
14648 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14650 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14651 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14652 (FIXED_REGISTERS): Set dirflag as fixed.
14653 (CALL_USED_REGISTERS): Set dirflag as used.
14654 (REG_ALLOC_ORDER): Set dirflag as last one.
14655 (DIRFLAG_REG): New macro.
14656 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14657 (HI_REGISTER_NAMES): Add dirflag.
14658 (DEBUF_PRINT_REG): Handle dirflag.
14659 * i386.md (type attribute): New cld and str types.
14660 (length_opcode attribute): Set cld and str to 1.
14661 (memory attribute): Set str to unknown - it is not clear from the
14662 patterns.
14663 (pent_np function unit): Prefixed string operations takes 12 cycles
14664 minimally; cld takes 2 cycles.
14665 (ppro_uops attribute): Str is "many" and cld is "few".
14666 (ppro_p0 unit): Handle cld here.
14667 (k6_alux unit): Handle cld and str types.
14668 (k6_load unit): It is ocupied by str opcodes.
14669 (k6_store unit): It is ocupied by str opcodes.
14670 (athlon_decode): Str is vector decoded.
14671 (athlon_ieu): Handle str and cld.
14672 (cld pattern): New.
14673 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14674 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14675 cmpstrsi_nz_1 insn): Do not output cld instruction
14677 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14679 * gcc.texi (G++ and GCC): Add Java and Chill.
14680 (Bug Critera): Don't list languages.
14682 * gcc.texi (Incompatibilities): No longer claim most C compilers
14683 are K&R.
14685 * gcc.texi (G++ and GCC): Update other front-ends list.
14687 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14689 * i386.c (ix86_expand_setcc): Fix typo.
14690 (ix86_expand_movcc): Similarly.
14692 * Band-aid until haifa's bitset implementation is nuked.
14693 * haifa-sched.c (extract_bitlst): New parameter for size of the
14694 bitset in bits. All callers changed. Avoid looking at undefined
14695 bits in the bitset.
14696 (edgeset_bitsize): New variable.
14697 (schedule_region): Initialize edgeset_bitsize.
14699 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14701 * Makefile.in (optabs.o): Depend on real.h
14702 (resource.o): Depend on insn-attr.h
14704 * builtins.c (result_vector): Wrap prototype in macro conditions
14705 governing definition and use.
14707 * c-common.c: Include tm_p.h.
14709 * c-lex.c: Likewise.
14711 * elfos.h: Constify a char*.
14713 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14714 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14715 parameter with ATTRIBUTE_UNUSED.
14717 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14718 CHECK_FLOAT_VALUE.
14720 * haifa-sched.c (schedule_insns): Mark parameter with
14721 ATTRIBUTE_UNUSED.
14723 * optabs.c: Include real.h.
14725 * real.h (ereal_atof): Add prototype arguments.
14727 * resource.c: Include insn-attr.h.
14729 * sdbout.c (sdbout_queue_anonymous_type,
14730 sdbout_dequeue_anonymous_types): Wrap in macro
14731 SDB_ALLOW_FORWARD_REFERENCES.
14732 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14733 ATTRIBUTE_UNUSED.
14735 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14737 * stupid.c: Include tm_p.h.
14739 * tree.c (real_value_from_int_cst): Mark parameter with
14740 ATTRIBUTE_UNUSED.
14742 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14744 * i960-protos.h: New file.
14746 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14747 time warnings.
14749 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14751 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14753 * combine.c (expand_field_assignment): Do not discard SUBREGs
14754 while computing nonzero_bits.
14756 2000-01-09 Nick Clifton <nickc@cygnus.com>
14758 * config/arm/arm.c: Fix compile time warnings about signed vs
14759 unsigned constants.
14760 * config/arm/arm.h: Fix compile time warnings about signed vs
14761 unsigned constants.
14763 2000-01-09 Philip Blundell <philb@gnu.org>
14765 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14766 than `ldm' with only one register.
14767 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
14768 only one register.
14770 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
14771 clobbered.
14773 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
14775 * config/ns32k/ns32k.md (load or push effective address): Operand 1
14776 must have SImode.
14778 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14780 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
14781 assignment used as truth value.
14783 * function.c (assign_temp): Mark parameter `dont_promote' with
14784 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
14785 PROMOTE_FOR_CALL_ONLY.
14787 * genrecog.c (write_subroutine): Mark variable `operands' with
14788 ATTRIBUTE_UNUSED.
14790 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
14791 ATTRIBUTE_UNUSED.
14793 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
14794 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
14796 * toplev.c (note_deferral_of_defined_inline_function): Likewise
14797 for `decl'.
14799 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14801 * config/c4x.h: Tidy up comments.
14802 * config/c4x.c: Likewise.
14804 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
14806 * fold-const.c (lshift_double, rshift_double): Handle
14807 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
14809 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14811 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
14812 in prepare_function_start().
14814 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
14816 * config/v850/v850.c (expand_epilogue): Interrupt functions no
14817 longer allocate extra stack for function calls.
14819 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14821 * config/c4x/c4x.md (*subqf3_set): Fix typo.
14823 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14825 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
14827 2000-01-07 David Edelsohn <edelsohn@gnu.org>
14829 * rs6000.c (processor_target_table): Add power3 as alias for 630.
14830 * aix43.h: Revert Aug 2 change.
14831 (HAS_INIT_SECTION): Define, not visible yet.
14832 (LD_INIT_SWITCH): Define, not visible yet.
14833 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
14835 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
14837 * collect2.c (main): Expand ld2 size further.
14838 (export_object_lst): Cast assignment to avoid warning.
14839 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
14840 (scan_prog_file, COFF): Do not collect initialization or
14841 finalization functions generated for entire shared object if
14842 init/fini support present.
14844 2000-01-07 Nick Clifton <nickc@cygnus.com>
14846 * config/elfos.h: Tidy up formatting of marcos. Make sure
14847 that .section directives are always prefixed by a tab.
14849 * config/svr4.h: Add #include "elfos.h" and remove duplicate
14850 definitions.
14852 2000-01-07 Matt Austern <austern@sgi.com>
14854 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
14855 expon.
14857 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
14859 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
14860 crtstuff.c.
14861 (crtbegin.o, s-crtS): Likewise.
14863 2000-01-06 Richard Henderson <rth@cygnus.com>
14865 * alpha.md (adddi_2+1): Limit offset such that it will be
14866 loadable with a single ldah+lda pair.
14867 (adddi_2+2): Explicitly fail split if we can't make it work.
14869 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
14871 * protoize.c: Conditionally include unistd.h.
14872 (IS_SAME_PATH_CHAR): New macro.
14873 (IS_SAME_PATH): New macro.
14874 (CPLUS_FILE_SUFFIX): New macro.
14875 (cplus_suffix): New static variable.
14876 (is_abspath): New static function.
14877 (in_system_include_dir): Handle DOS style pathnames.
14878 (file_could_be_converted): Likewise.
14879 (file_normally_convertible): Likewise.
14880 (directory_specified_p): Likewise.
14881 (file_excluded_p): Likewise.
14882 (abspath): Likewise.
14883 (shortpath): Likewise.
14884 (referenced_file_is_newer): Likewise.
14885 (save_def_or_dec): Likewise.
14886 (do_processing): Likewise.
14887 (main): Likewise.
14888 (edit_file): Likewise. Use rename instead of link.
14889 (rename_c_file): Likewise. Don't rename syscalls file.
14890 (munge_compile_params): Define null device for DOS based systems.
14891 (process_aux_info_file): Use binary mode if appliable.
14892 (edit_file): Likewise.
14893 * invoke.texi (Running Protoize): Document C++ suffixes used.
14895 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
14896 IS_DIR_SEPARATOR macros.
14897 * collect2.c: Likewise.
14898 * cppinit.c: Likewise.
14899 * dwarf2out.c: Likewise.
14900 * gcc.c: Likewise.
14901 * gcov.c: Likewise.
14902 * prefix.c: Likewise.
14903 * rtl.c: Likewise.
14904 * toplev.c: Likewise.
14905 * system.h: And move to here.
14907 * prefix.c (update_path): Fix typo in variable name.
14909 2000-01-06 Richard Henderson <rth@cygnus.com>
14911 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
14912 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
14913 (count_reg_sets_1, count_reg_references): Likewise.
14914 (flow_loops_level_compute): Start counting actual loop depth at 1.
14915 (flow_loops_find): Likewise.
14916 * local-alloc.c (update_equiv_regs): Likewise.
14917 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
14919 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14921 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
14922 FIRST_PSEUDO_REGISTER
14923 * dwarf2out.c: Don't include frame.h
14924 * dwarfout.c: Likewise
14925 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
14926 frame.h
14928 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
14930 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14931 dead registers.
14933 * i386.c (movsf splitter): Fix typo in my last checkin.
14935 2000-01-05 Nick Clifton <nickc@cygnus.com>
14937 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
14938 own definition of this macro.
14939 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
14940 flag_data_sections or UNIQUE_SECTION_P are true.
14942 * tm.texi (UNIQUE_SECTION): Document that it can be called for
14943 unitialised data decls.
14945 * config/i386/winnt.c (i386_pe_unique_section): Cope with
14946 being called for uninitialised data.
14948 * config/i386/interix.c (i386_pe_unique_section): Cope with
14949 being called for uninitialised data.
14951 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
14952 for uninitialised data.
14954 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
14955 for uninitialised data.
14957 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
14958 for uninitialised data.
14960 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
14961 (UNIQUE_SECTION_P): Always generate a unique section if
14962 flag_data_sections is true.
14963 (UNIQUE_SECTION): Also generate unique sections for
14964 uninitialised data.
14965 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
14966 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
14967 named_section().
14969 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14971 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
14972 SI, or DI.
14974 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14976 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
14977 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
14978 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
14979 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
14980 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
14982 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
14984 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14986 * c-decl.c (finish_enum): Simplify code to determine minimum and
14987 maximum values of the enum, and calculate the type. Remove check
14988 for FUNCTION_DECLs in the values list, which cannot happen. Replace
14989 the DECL_INITIAL of each enumeration constant with a copy converted
14990 to the enumeration type. When updating variant types, don't bother
14991 updating the type itself.
14993 * c-typeck.c (build_binary_op): Simplify conditional expressions
14994 when weeding out spurious signed-unsigned warnings. Add new
14995 spurious warning category: if the unsigned quantity is an enum
14996 and its maximum value fits in signed_type(result_type). Update
14997 commentary.
14998 (build_conditional_expr): Warn here if one alternative is signed
14999 and the other is unsigned.
15001 2000-01-05 Nick Clifton <nickc@cygnus.com>
15003 * config/fr30/fr30.h: Remove extraneous comments.
15005 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
15007 * reload1.c (choose_reload_regs): When disabling a reload, also
15008 set reload_spill_index to -1.
15010 2000-01-04 Joel Sherrill (joel@OARcorp.com>
15012 * configure.in (m68*-*-rtemscoff*): New target, formal name for
15013 old m68*-*-rtems*.
15014 (m68*-*-rtemself*): New target.
15015 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
15016 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
15017 (sparc*-*-rtemself*): New target.
15018 (sparc*-*-rtems*): Now elf not a.out.
15019 * config/i386/rtems.h: Include config/rtems.h.
15020 * config/i386/rtemself.h: Include config/rtems.h.
15021 * config/i960/rtems.h: Include config/rtems.h.
15022 * config/m68k/rtems.h: Include config/rtems.h.
15023 * config/m68k/rtemself.h: Include config/rtems.h.
15024 * config/mips/rtems64.h: Include config/rtems.h.
15025 * config/pa/rtems.h: Include config/rtems.h.
15026 * config/rs6000/rtems.h: Include config/rtems.h.
15027 * config/sh/rtems.h: Include config/rtems.h.
15028 * config/sh/rtemself.h: Include config/rtems.h.
15029 * config/sparc/rtems.h: Include config/rtems.h.
15030 * config/sparc/rtemself.h: Include config/rtems.h
15032 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
15034 * final.c (shorten_branches): Correctly compute length of
15035 asms without operands.
15037 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
15039 * configure.in: Add pj target.
15040 * configure: Regenerate.
15041 * config/pj: New directory.
15042 * config/pj/lib1funcs.S: New file.
15043 * config/pj/linux.h: New file.
15044 * config/pj/pj.c: New file.
15045 * config/pj/pj.md: New file.
15046 * config/pj/pjl.h: New file.
15047 * config/pj/t-pj: New file.
15048 * config/pj/xm-pj.h: New file
15050 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
15052 * toplev.c (rest_of_compilation): Run shorten-branches before
15053 reg-stack for now.
15055 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15057 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
15058 macros so that they're consistent with their names.
15059 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15060 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15062 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15064 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
15065 modified inadvertently.
15067 2000-01-04 Joel Sherrill <joel@OARcorp.com>
15069 * configure.in (v850*-*-rtems*): New target.
15070 * configure: Regenerate.
15071 * config/v850/rtems.h: New file.
15073 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
15075 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
15076 (__gthread_key_create): Likewise.
15077 (__gthread_key_dtor): Likewise.
15078 (__gthread_once): Fix logic.
15079 (__gthread_key_delete): Cast away constness.
15081 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
15082 * invoke.texi: Document.
15083 * i386/mingw32.h (CPP_SPEC): Use.
15084 (LIBGCC_SPEC): Likewise.
15085 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
15087 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15089 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
15090 (HANDLE_PRAGMA_PACK): Undefine.
15091 (SLOW_UNALIGNED_ACCESS): Define.
15093 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15095 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15096 to default definition.
15097 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
15098 (store_fixed_bit_field): Call macro with word_mode and alignment.
15099 (extract_bit_field): Call macro with relevant mode and alignment.
15100 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15101 to default definition.
15102 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
15103 and alignment.
15104 (move_by_pieces_ninsns): Likewise.
15105 (clear_by_pieces): Likewise.
15106 (emit_push_insn): Likewise.
15107 (store_field): Call macro with relevant mode and alignment.
15108 (expand_expr): Likewise.
15109 (expand_expr_unaligned): Likewise.
15111 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
15112 (SLOW_UNALIGNED_ACCESS): Define.
15113 (CASE_VECTOR_MODE): Always use 32-bit offsets.
15114 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
15115 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
15116 (toc_section): Likewise and .toc pseudo-op.
15117 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
15118 64-bit mode.
15119 (TEXT_SECTION_ASM_OP): Likewise.
15120 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
15121 32-bit offsets.
15123 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
15124 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
15125 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
15126 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
15127 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
15129 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
15131 * regclass.c: Revert my Jan 4 change to loop cost computation.
15133 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15135 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
15136 compilation.
15138 2000-01-04 Stan Cox <scox@cygnus.com>
15140 * haifa-sched.c (build_control_flow): Change unreachable simple
15141 loop test to check if current block has only one predecessor.
15142 (find_rgns): Initialize degree. Use dest as degree index, not src.
15144 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15146 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
15148 * calls.c (expand_call): Likewise for
15149 `old_stack_arg_under_construction'.
15151 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
15153 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
15154 `save_constant'.
15156 * gcc.c (execute): Likewise for `ut' and `st'.
15158 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
15160 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
15162 * jump.c (jump_optimize_1): Likewise for `temp2'.
15164 * local-alloc.c (block_alloc): Likewise for `r1'.
15166 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
15168 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
15169 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
15171 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
15172 and `set2'.
15174 * reload.c (find_reloads): Likewise for `goal_alternative_number'
15175 and `goal_earlyclobber'.
15177 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
15179 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
15181 * stupid.c (stupid_life_analysis): Likewise for `chain'.
15183 * unroll.c (copy_loop_body): Likewise for `copy'.
15185 * varasm.c (output_constructor): Likewise for `byte'.
15187 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15189 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
15190 all FP constants for constant->reg moves.
15191 (ix86_split_to_parts): Try to convert memory address into immediate
15192 when available in the constant pool.
15193 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
15194 moves.
15195 (LEGITIMATE_CONSTANT_P): Return 1.
15196 * i386.md (pushsf): New splitter to convert constant pool memory
15197 reference to immediate.
15198 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
15199 reload.
15201 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
15203 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
15204 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
15205 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
15206 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
15207 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
15209 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
15211 * ginclude/stdbool.h: Support compilation as C++.
15213 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15215 * fold-const.c (make_range): Don't try to reverse an unbounded range.
15217 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
15219 * regclass.c (regclass): Properly compute loop_cost. Adjust
15220 comments.
15222 * regclass.c: Fix minor whitespace problems.
15224 2000-01-03 Anthony Green <green@cygnus.com>
15226 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
15227 Restore the pic register if required.
15229 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
15231 * c-common.c (format_char_info): Update comment.
15232 (check_format_info): Recognize 'z' modifier in the same way 'Z'
15233 was recognized. Emit warning for formats new in ISO C99 only
15234 if flag_isoc9x is not set.
15236 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
15238 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
15240 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15242 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
15243 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
15244 (make_compound_operation): Choose cheaper alternative between
15245 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
15247 * regclass.c (op_costs): Remove global variable.
15248 (record_reg_classes): New parameter "op_costs" and "reg_pref".
15249 (record_operand_costs): Break out from ...
15250 (scan_one_insn): ... here.
15251 (dump_regclass): Make dumps nicer.
15252 (regclass): Dump preferrences choosed and changes done during passes.
15254 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15256 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
15258 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15260 * config/sparc/sparc.c (gen_df_reg): New function.
15261 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
15262 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
15263 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
15264 movtf_cc_reg_sp64+1): Use it.
15266 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15268 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
15269 copied LABEL_DECLs.
15271 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15273 * config/i386/i386.c (ix86_expand_unary_operator): Function
15274 definition made void.
15275 (ix86_expand_binary_operator): Update outdated preceding comment.
15276 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
15277 prototype.
15279 * config/i386/i386.c (override_options): Fix option-name typo.
15281 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15283 * system.h (CEIL): Define.
15284 * builtins.c (CEIL): Remove.
15285 * expmed.c (CEIL): Likewise.
15286 * expr.c (CEIL): Likewise.
15287 * stor-layout.c (CEIL): Likewise.
15289 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15291 * expr.c (store_constructor_field): Fix typo introduced with last
15292 gcc2 merge.
15294 2000-01-01 Mark Mitchell <mark@codesourcery.com>
15296 * tree.h (BINFO_N_BASETYPES): New macro.
15298 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
15300 * expmed.c (emit_store_flag): Prevent losing a pending stack
15301 adjust the same way we prevent losing queued increments.
15303 See ChangeLog.2 for earlier changes.