1 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
3 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
4 * mklibgcc.in (force): New target.
5 Make LIB2ADD stuff depend on it.
7 2000-06-02 Richard Henderson <rth@cygnus.com>
9 * alias.c (lang_get_alias_set): Remove.
10 (get_alias_set): Call it directly, not indirectly.
11 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
12 * c-common.h (c_get_alias_set): Don't declare.
13 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
14 * expr.h (lang_get_alias_set): Declare as function, not pointer.
16 2000-06-02 Bruce Korb <bkorb@gnu.org>
18 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
19 (server_setup): define the server's master pid
20 (close_server): actually do the deed IFF we are the server's master
22 2000-06-02 Jakub Jelinek <jakub@redhat.com>
24 * c-common.c (c_get_alias_set): Check whether signed_type did not
25 return its argument before calling get_alias_set on the result.
27 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
29 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
31 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
33 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
34 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
36 (NOMACSAVE_BIT): Define.
37 (TARGET_NOMACSAVE): Define.
38 (TARGET_SWITCHES): Add "nomacsave".
40 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
42 * sh.md (untyped_call): Remove excess parameters
44 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
46 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
47 match that used before the conversion to c_fix style.
48 * fixinc/fixincl.x: regenerate
50 2000-06-01 Stan Cox <scox@cygnus.com>
52 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
55 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
57 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
59 * cpplib.c (parse_include): Remove support for VAX-C
60 "#include starlet" misfeature.
62 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
64 * cppfiles.c: conditionally define O_BINARY.
65 (open_include_file): pass O_BINARY to open().
67 2000-06-01 Richard Henderson <rth@cygnus.com>
69 * i960.c (i960_br_predict_opcode): Remove.
70 (i960_print_operand) [+]: Emit branch prediction hints.
71 (i960_function_arg): Return early for VOIDmode.
72 (i960_round_align): Return early for incomplete types.
73 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
74 * i960.md (all conditional branches): Add "%+".
76 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
78 * alias.c (get_alias_set): Don't call language-specific routine more
79 than is needed and clean up code a bit.
80 * c-common.c (c_get_alias_set): All references whose type
81 is char get alias set 0, but character types need not.
82 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
83 (make_decl_rtl): Don't call it for FUNCTION_DECL.
85 2000-06-01 Bruce Korb <bkorb@gnu.org>
87 * fixinc/tests/base/...: new base result files
89 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
91 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
92 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
93 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
96 2000-06-01 Richard Henderson <rth@cygnus.com>
98 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
100 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
102 2000-05-31 Richard Henderson <rth@cygnus.com>
104 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
105 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
106 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
108 2000-05-31 Richard Henderson <rth@cygnus.com>
110 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
111 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
112 (ia64_print_operand) [+]: ... here. Use current_output_insn.
113 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
114 * config/ia64/ia64.md (all branch/call patterns): Use %+.
116 2000-05-31 Richard Henderson <rth@cygnus.com>
118 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
120 2000-05-31 Richard Henderson <rth@cygnus.com>
122 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
124 (find_if_block): Allow THEN with no outgoing edges.
125 * flow.c (merge_blocks_nomove): Remove a barrier not following
128 2000-05-31 Richard Henderson <rth@cygnus.com>
130 * flow.c (propagate_block): Move initialization of mem_set_list ...
131 (init_propagate_block_info): ... here. Also track blocks with
132 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
134 2000-05-31 Richard Henderson <rth@cygnus.com>
136 * jump.c (jump_optimize_1): Revert 05-18 change.
138 2000-05-31 Mark Mitchell <mark@codesourcery.com>
140 * invoke.texi: Remove documentation for -fguiding-decls.
142 2000-05-31 Richard Henderson <rth@cygnus.com>
144 * configure.in: Fix typo last change.
146 2000-05-31 Philipp Thomas <pthomas@suse.de>
148 * configure.in (enable-nls): Enable if build == host, i.e. when
149 not building a canadian cross compiler.
150 (enable-maintainer-mode): Added for use with i18n.
151 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
152 cross section of ALL_LINGUAS and LINGUAS.
153 * configure: Rebuild.
155 2000-05-31 Bruce Korb <bkorb@gnu.org>
157 * fixinc/check.tpl: rework to use test result tree
158 * fixinc/Makefile.in: change invocation of check script
159 * fixinc/check.diff: No longer needed
160 * fixinc/fixincl.x: regenerate
161 * fixinc/inclhack.def: add new tests
162 * fixinc/tests/base/arch/i960/archI960.h: New test result
163 * fixinc/tests/base/curses.h: modified test result
164 * fixinc/tests/base/stdio.h: ditto
165 * fixinc/tests/base/time.h: ditto
166 * fixinc/tests/base/sys/asm.h: ditto
167 * fixinc/tests/base/sys/stat.h: ditto
168 * fixinc/tests/base/sys/wait.h: ditto
170 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
172 * except.c (clear_function_eh_region): Do not free NULL.
174 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
176 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
177 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
178 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
179 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
180 (find_base_decl): New function, from c_find_base_decl in c-common.c.
181 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
182 (get_alias_set): Likewise.
183 Major rework to do more things and allow language-specific code
184 to just handle special-cases.
185 (record_alias_subset): Args are HOST_WIDE_INT.
186 (record_component_alias): Local vars are HOST_WIDE_INT.
187 Don't handle COMPLEX_EXPR.
188 (get_varargs_alias_set): Moved from builtins.c.
189 (get_frame_alias_set): New function.
190 * builtins.c (expand_builtin_return_address): Use frame alias set.
191 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
193 (get_memory_rtx): Rework to use set_mem_attributes.
194 (get_varargs_alias_set): Deleted from here.
195 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
196 (c_find_base_decl): Deleted from here.
197 (c_get_alias_set): Remove many cases and rework to just handle
199 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
200 * c-decl.c (rtl.h, expr.h): Now included.
201 (init_decl_processing): Call record_component_aliases on array types.
202 (grokdeclarator): Likewise.
203 Set TREE_ADDRESSABLE for all fields that are not bitfields.
204 * c-typeck.c (common_type): Call record_component_aliases for array.
205 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
206 Set all save areas to the frame alias set.
207 * calls.c (initialie_argument_information): Call set_mem_attributes.
208 (compute_argument_addresses, expand_call): Likewise.
209 * explow.c (set_mem_attributes): New function.
210 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
211 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
212 LEN and OFFSET now HOST_WIDE_INT.
213 (clear_by_pieces): Similar changes.
214 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
215 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
216 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
217 (clear_by_pieces_1): Likewise.
218 (emit_push_insn): Call set_mem_attributes.
219 (expand_expr, case INDIRECT_REF): Likewise.
220 (expand_expr, case VAR_DECL): Call change_address.
221 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
223 (get_varargs_alias_set, get_frame_alias_set): New decls.
224 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
225 (new_alias_set, set_mem_attributes): Likewse.
226 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
227 (assign_stack_temp_for_type): Likewise.
228 Can split slot even if alias set since can copy.
229 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
230 (assign_temp): Use host_integerp and tree_low_cst.
231 (put_var_into_stack): Properly handle SAVE_EXPR.
232 (put_addressof_into_stack): Likewise.
233 (assign_parms): Call set_mem_attributes.
235 (fix_lexical_address): Put reference to chain into frame alias set.
236 (expand_function_start): Call set_mem_attributes.
237 * integrate.c (expand_inline_function): Likewise.
238 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
239 * regmove.c (try_apply_stack_adjustment): Likewise.
240 * reload.c (push_reload, make_memloc): Likewise.
241 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
242 * rtl.def (MEM): Update comment.
243 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
244 (move_by_pieces): Change length to HOST_WIDE_INT.
245 (record_base_value, record_alias_subset): Delete from here.
246 * stmt.c (expand_decl): Call set_mem_attributes.
247 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
248 * toplev.c (compile_file): Call init_alias_once earlier.
249 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
250 from here: now in alias.c.
251 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
252 (struct tree_decl): Likewise.
253 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
254 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
255 (output_constant_def, force_const_mem): Likewise.
257 * flow.c (propagate_block): If block has no successors, stores to
258 frame are dead if not used.
260 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
262 * stmt (expand_end_case): Reorder conversion sequence for jump
263 table to avoid extra truncations.
265 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
267 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
268 in the block is more than just a simple conditional branch.
269 (noce_process_if_block): Similarly.
271 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
273 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
276 2000-05-30 Michael Meissner <meissner@redhat.com>
278 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
279 instructions. Treat LO_SUM operations as loading the full integer
282 2000-05-30 Richard Henderson <rth@cygnus.com>
284 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
286 2000-05-30 Richard Henderson <rth@cygnus.com>
288 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
290 2000-05-30 Bruce Korb <bkorb@gnu.org>
292 * fixinc/tests/*: Added expected result files for fixinc's make check
293 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
295 2000-05-30 Richard Henderson <rth@cygnus.com>
297 * config/alpha/alpha.md (*setne_internal): Use match_operator
298 instead of working down from insn.
300 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
302 * invoke.texi (-Wtraditional): Update WRT function macros.
304 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
306 * except.c (free_exception_table): Do not free NULL.
308 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
310 * cpplib.c (do_if): Don't save and restore only_seen_white here.
311 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
314 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
316 * flow.c (mark_used_reg): If a register is unconditionally live,
317 remove any conditional death information.
319 2000-05-29 Richard Henderson <rth@cygnus.com>
321 * final.c (current_output_insn): New.
322 (final_scan_insn): Set it.
323 * output.h: Declare it.
325 2000-05-29 Richard Henderson <rth@cygnus.com>
327 * stor-layout.c (finalize_record_size): Fix typo.
329 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
332 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
334 * cpplib.h (cpp_reader): Remove if_stack. Change
335 potential_control_macro to a cpp_hashnode *. Add skipping flag.
336 * cpphash.h (struct ihash): Change control_macro to a
337 cpp_hashnode * and shorten name to cmacro.
338 Add NEVER_REINCLUDE constant.
340 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
341 Examine the cmacro node directly, no need to call cpp_defined.
342 (_cpp_execute_include, read_include_file): Set cmacro to
343 NEVER_REINCLUDE, not U"".
344 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
345 (cpp_get_token): If pfile->skipping is true, discard text and
346 keep scanning until we hit a directive; don't expand macros.
348 * cpplib.c (struct if_stack): Remove if_succeeded, add
349 was_skipping. Change control_macro to a cpp_hashnode * and
350 shorten name to cmacro. Remove typedef IF_STACK.
351 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
352 (conditional_skip, skip_if_group,
353 consider_directive_while_skipping): Delete.
354 (push_conditional): New.
355 (_cpp_handle_directive): Don't process directives other than
356 conditionals if we are skipping.
358 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
359 Update to new scheme.
360 (validate_else): Skip rest of line here, unconditionally.
361 (_cpp_unwind_if_stack): The stack is per-buffer. Force
364 (all): Remove `scare quotes' from error messages.
366 2000-05-29 Richard Henderson <rth@cygnus.com>
368 * function.c (emit_return_into_block): New line_note arg; emit it.
369 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
370 for the close brace to accompany HAVE_return. Move all line notes
371 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
373 2000-05-29 Richard Henderson <rth@cygnus.com>
375 * longlong.h [__alpha] (count_leading_zeros): New.
376 (count_trailing_zeros): New.
377 (COUNT_LEADING_ZEROS_0): New.
379 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
380 (alpha_split_conditional_move): New.
381 * config/alpha/alpha-protos.h: Prototype them.
382 * config/alpha/alpha.h (PREDICATE_CODES): Update.
383 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
384 * config/alpha/alpha.md: Update ffs cix commentary.
386 (*nabssf2, *nabsdf2): New.
387 (*mov[qhsd]icc_internal): Use add_operand.
388 (if_then_else constant splitters): New.
389 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
390 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
392 2000-05-29 Richard Henderson <rth@cygnus.com>
394 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
395 a constant to NEG or NOT when conditions allow.
397 * combine.c (combine_simplify_rtx): Don't create an if_then_else
398 unless both args are general_operand. Don't canonicalize plus
399 to ior unless it helps.
401 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
402 instead track register_life_up_to_date. Toggle no_new_pseudos
405 2000-05-28 Geoff Keating <geoffk@cygnus.com>
407 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
408 so output_operand doesn't see them.
410 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
412 * lcm.c (make_preds_opaque): Fix comment.
413 (optimize_mode_switching): Use NORMAL_MODE instead of
414 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
415 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
416 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
417 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
418 (MODE_USES_IN_EXIT_BLOCK): Delete.
419 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
420 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
421 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
422 (MODE_NEEDED): Don't look for USE.
423 (EPILOGUE_USES): Define.
425 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
427 * mklibgcc.in (all): Variable initialised to `libgcc'.
429 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
431 * toplev.h (skip_leading_substring): New macro.
432 * toplev.c (decode_f_option): Use skip_leading_substring instead
434 (decode_W_option): Likewise.
436 2000-05-28 Nick Clifton <nickc@cygnus.com>
438 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
441 2000-05-28 Richard Henderson <rth@cygnus.com>
443 * regclass.c (record_operand_costs): Protect reg_changes_size
444 with CLASS_CANNOT_CHANGE_SIZE.
446 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
448 2000-05-28 Richard Henderson <rth@cygnus.com>
450 * function.c (diddle_return_value): A pcc-style struct return
453 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
455 * cppfiles.c: Read files in, using mmap if possible, then
456 prescan them separately.
457 (read_file, read_with_read): New functions.
458 * cpplex.c: Don't define UCHAR_MAX.
459 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
462 * cppinit.c (handle_option): Automatically define __cplusplus,
463 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
464 the respective -lang switch.
466 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
467 prototype): Move to...
468 * cpplib.h: ... here. Rename struct hashnode to struct
469 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
470 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
472 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
474 * config/rs6000/rs6000.md (movsi): Constify 'name'.
476 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
477 (class_can_change_size): New variable.
478 (reg_changes_size): New variable.
479 (init_reg_sets_1): Initialise class_can_change_size.
480 (record_operand_costs): Remove subreg_changes_size.
481 Don't pass it around. Instead update reg_changes_size.
482 (regclass): Initialise and free reg_changes_size. If a register
483 changes size, don't preference it to a class that contains
484 registers that can't change size.
485 (record_reg_classes): Don't look at subreg_changes_size.
487 2000-05-27 Richard Henderson <rth@cygnus.com>
489 * print-rtl.c (reg_names): Remove const.
490 * regclass.c (reg_names): Likewise.
491 * regs.h (reg_names): Likewise.
492 * hard-reg-set.h (reg_names): Likewise.
494 2000-05-27 Richard Henderson <rth@cygnus.com>
496 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
498 2000-05-27 Richard Henderson <rth@cygnus.com>
500 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
501 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
502 (alpha_expand_prologue): Emit prologue_mcount if needed.
503 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
504 * config/alpha/alpha.md (prologue_mcount): New.
505 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
506 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
507 * config/alpha/netbsd.h: Likewise.
509 2000-05-27 Richard Henderson <rth@cygnus.com>
511 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
512 change to config/elfos.h.
514 2000-05-27 Richard Henderson <rth@cygnus.com>
516 * Makefile.in (resource.o): Depend on except.h.
517 * except.h (output_exception_table_data): Prototype.
518 * genconfig.c (gen_peephole2): Prototype.
519 * genemit.c (main): Include ggc.h.
520 * genoutput.c: Revert parts of last change: include errors.h
521 (main): Set progname.
522 * recog.c: Include hard-reg-set.h before recog.h.
523 * resource.c: Include except.h.
525 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
527 (alpha_write_linkage): Protect with BUFSIZ.
528 (alpha_need_linkage): Update prototype.
529 * config/alpha/alpha.c (function_arg): Move VMS code here.
530 (alpha_links_base): Remove.
532 (mark_alpha_links_node, mark_alpha_links): New.
533 (alpha_write_one_linkage): New.
534 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
535 (alpha_write_linkage): Use splay_tree_foreach.
536 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
537 to get the linkage symbol.
538 (call_value_vms): Likewise.
539 * config/alpha/elf.h (output_file_directive): Remove decl.
540 (ctors_section, dtors_section): Prototype.
541 (sbss_section, sdata_section): Prototype.
542 * config/alpha/vms.h (FUNCTION_ARG): Remove.
543 (readonly_section, link_section, literals_section): Prototype.
544 (ctors_section, dtors_section): Prototype.
545 (vms_valid_decl_attribute_p): Remove decl.
546 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
548 2000-05-27 Geoff Keating <geoffk@cygnus.com>
550 * reload.c (get_secondary_mem): Don't widen floating-point modes.
552 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
553 substituting the REG in a (subreg:X (reg:Y ...)).
555 2000-05-28 Neil Booth <NeilB@earthling.net>
557 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
558 first token of a line BOL. Update EOF code for this.
559 Remove illegal directive check - it appears in the (not
560 yet committed) caller.
561 * cpplib.h (BOL): New flag.
563 2000-05-28 Neil Booth <NeilB@earthling.net>
565 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
566 (_cpp_free_toklist): No comment space to free.
567 (expand_comment_space): Remove.
568 (save_comment_space): Place the comment in the current token and
569 not in a separate comment space.
570 (_cpp_lex_line): Save comments during plain code and #define
572 * cpplib.h (struct _cpp_toklist): Remove comment space.
574 2000-05-28 Neil Booth <NeilB@earthling.net>
576 * cppexp.c (parse_assertion): Supply extra argument to
578 * cpplib.c (do_assert, do_unassert): Similarly.
579 * cpphash.h (_cpp_init_toklist) Update.
580 (_cpp_expand_token_space): New.
581 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
582 * cpplex.c (_cpp_init_toklist): New argument.
583 (parse_string2): New argument multiline_ok.
584 (spell_token): Take a const cpp_token *.
585 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
586 (SPELL_ macros): Replace with enum.
587 (expand_token_space): Replace with _cpp_expand_token_space.
589 (IS_DIRECTIVE): Update.
590 (_cpp_lex_line): Update token structure before parsing number.
591 Don't assume start at beginning of token list.
592 (save_comment): Use INIT_TOKEN_NAME.
594 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
596 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
597 -Wmissing-prototypes.
598 * configure: Regenerate.
599 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
601 * builtins.c, calls.c: Change all instances of gen_call_* or
602 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
603 * calls.c (struct_value_size_rtx): Separate definition from
604 initialization to avoid unused variable warning.
606 * genflags.c (gen_macro): New function.
607 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
608 (gen_nonproto): Delete.
609 (gen_insn): Put all insns on the same obstack.
610 (main): Generate prototypes for everything unconditionally.
612 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
613 out check for wchar_t.
614 * acconfig.h: Add template for ssize_t. Remove @TOP@.
615 * system.h: Add infrastructure for defining missing
616 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
617 definitions of UCHAR_MAX and SSIZE_MAX.
618 * configure: Regenerate.
619 * config.in: Regenerate.
621 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
622 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
624 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
625 libgcc2.a, or libgcc1.null.
627 2000-05-27 Richard Henderson <rth@cygnus.com>
629 * Makefile.in (recog.o): Don't depend on resource.h.
630 * recog.c: Don't include resource.h.
631 (recog_last_allowed_insn): Remove.
632 (recog_next_insn): Remove.
633 (struct peep2_insn_data): New.
634 (peep2_insn_data, peep2_current): New.
635 (peep2_next_insn): New.
636 (peep2_regno_dead_p, peep2_reg_dead_p): New.
637 (peep2_find_free_register): New.
638 (peephole2_optimize): Track life information by insn as we go.
639 * recog.h: Update declarations.
640 * resource.c (find_free_register, reg_dead_p): Remove.
641 * resource.h: Remove their declarations.
642 * toplev.c: Include hard-reg-set.h before recog.h.
644 * genconfig.c (max_insns_per_peep2): New.
645 (gen_peephole2): New.
647 * genemit.c (output_peephole2_scratches): Generate calls to
648 peep2_find_free_register; adjust surrounding code.
649 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
650 * genrecog.c (change_state): Don't track last_insn.
651 (write_action): Write into *_pmatch_len before accepting.
652 (write_tree): Adjust peephole2_insns and subroutines to match.
654 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
656 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
657 (hard_int_register_operand): New.
658 * config/alpha/alpha-protos.h: Declare it.
659 * config/alpha/alpha.h (PREDICATE_CODES): Update.
660 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
661 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
663 2000-05-27 Richard Henderson <rth@cygnus.com>
665 * function.c (thread_prologue_epilogue_insns): Don't move the
666 line note at the head of the chain. Only force a lineno note
667 before the end of block 0.
669 2000-05-27 Richard Henderson <rth@cygnus.com>
671 * gensupport.c (collect_insn_data): Record the maximum number
672 of alternatives, not the last seen.
674 * genoutput.c: Don't include errors.h.
675 (struct data): Add lineno member.
677 (scan_operands): Use message_with_line instead of error.
678 (validate_insn_alternatives): Likewise.
679 (gen_insn): Accept and store the pattern's line number.
680 (gen_peephole, gen_expand, gen_split): Likewise.
681 (main): Don't set progname. Pass line_no to gen_foo.
683 2000-05-27 Richard Henderson <rth@cygnus.com>
685 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
686 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
687 * config/d30v/d30v.md (attr predicable): New.
688 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
689 (andsi3*): Unify into one pattern.
690 (iorsi3*, xorsi3*): Likewise.
691 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
693 (old cond_exec patterns): Remove.
694 (define_cond_exec): New.
696 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
698 * tree.h (TREE_CODE_LENGTH): New macro.
699 * c-common.c (c_find_base_decl): Use it.
700 * expr.c (safe_from_p): Likewise.
701 * print-tree.c (print_node): Likewise.
702 * tree.c (make_node, copy_node, get_identifier): Likewie.
703 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
704 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
705 * fold-const.c (make_range): Likewise.
706 (fold): Likewise; also use first_rtl_op.
707 * c-iterate.c (collect_iterators): Use first_rtl_op.
708 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
709 Use IS_EXPR_CODE_CLASS.
710 (preexpand_calls): Likewise.
711 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
712 and TREE_CODE_LENGTH.
713 * stmt.c (warn_if_unused_value): If no operands, no unused value.
715 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
717 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
719 (movdi_internal64): Likewise.
721 * config/rs6000/rs6000.md: Correct order of operands for DImode
724 * config/rs6000/rs6000.c (boolean_or_operator): New function.
725 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
726 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
727 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
728 boolean_operator for the boolean patterns without NOTs.
730 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
731 from reg_or_u_cint_operand. Change comment and behaviour.
732 (logical_operand): Clean up, add assertion.
733 (non_logical_cint_operand): Also check for
734 reg_or_logical_cint_operand.
735 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
736 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
742 2000-05-26 Mark Mitchell <mark@codesourcery.com>
744 * tree.h (struct record_layout_info): Rename to (struct
745 record_layout_info_s).
746 * stor-layout.c (start_record_layout): Replace
747 `record_layout_info' with `record_layout_info_s'.
749 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
751 * flow.c (find_label_refs): New function.
752 (find_basic_blocks_1): Call it for each alternative of a call
755 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
757 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
760 2000-05-25 Richard Henderson <rth@cygnus.com>
762 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
763 so strict about DImode.
764 (alpha_swapped_comparison_operator): Likewise.
765 * config/alpha/alpha.md (*setne_internal): Name it. Allow
766 any integer output mode.
767 (*setcc_internal): Likewise.
768 (*setcc_swapped_internal): Likewise.
769 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
770 (*mov[qhs]icc_internal): New.
771 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
773 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
775 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
777 2000-05-25 Richard Henderson <rth@cygnus.com>
779 * bb-reorder.c (reorder_block_def): Reorder elements for size.
780 Remove add_jump; add next; replace flags with visited.
782 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
783 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
784 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
785 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
787 (reorder_index, reorder_last_visited): Remove.
788 (skip_insns_after_block): Rewrite to use a switch.
789 (get_common_dest): Remove.
790 (chain_reorder_blocks): Remove.
791 (record_effective_endpoints): Split out from reorder_basic_blocks.
792 (make_reorder_chain): Likewise. Loop until all blocks are placed.
793 (make_reorder_chain_1): Renamed from old make_reorder_chain.
794 Only construct the reorder chain, do not move insns. Try harder
796 (label_for_bb, emit_jump_to_block_after): New.
797 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
798 and adjust the jump insns appropriately. Fixup basic_block_info.
799 (verify_insn_chain): Always define.
800 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
802 (make_new_scope): Don't write zeros to calloc'd space.
803 (build_scope_forest): Rely on xrealloc to DTRT.
804 (reorder_basic_blocks): Don't build loop nest. Don't fail if
805 profile_arc_flag. Streamline EH test.
807 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
808 * basic-block.h: Declare them.
810 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
812 * emit-rtl.c (reset_used_decls): New function.
813 (unshare_all_rtl_again): Call it.
815 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
817 * cpplex.c (maybe_macroexpand): Warn about function-like
818 macros used in non-function context, if -Wtraditional.
820 2000-05-25 Mark Mitchell <mark@codesourcery.com>
822 * recog.c (peephole2_optimize): Use INSN_P.
824 2000-05-25 Richard Henderson <rth@cygnus.com>
826 * ifcvt.c (seq_contains_jump): New.
827 (noce_try_store_flag_constants): Use it to fail conversion.
828 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
830 2000-05-25 Mark Mitchell <mark@codesourcery.com>
832 * except.h (can_throw): Declare it.
833 * except.c (can_throw): Give it external linkage.
834 * resource.c (find_dead_or_set_registers): Use can_throw.
836 2000-05-25 Richard Henderson <rth@cygnus.com>
838 * flow.c (mark_set_1): Don't record conditionally dead memory.
840 2000-05-25 Jan Hubicka <jh@suse.cz>
842 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
843 and pc_set at the place of simplejump_p and condjump_p.
844 * cse.c (record_jump_equiv): Likewise.
845 * emit-rtl.c (emit): Likewise.
846 * explow.c (find_next_ref): Likewise.
847 * flow.c (tidy_fallthru_edge): Likewise.
848 (init_propagate_block_info): Likewise.
849 * gcse.c (delete_null_pointer_checks): Likewise.
850 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
851 dead_or_predicable): Likewise.
852 * integrate.c (copy_insn_list): Likewise.
853 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
854 for_each_insn_in_loop, check_dbra_loop, get_condition,
855 insert_bct, load_mems): Likewise.
856 * resource.c (find_dead_or_set_registers): Likewise.
857 * sibcalls.c (simplejump_p): Likewise.
858 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
860 2000-05-25 David Edelsohn <edelsohn@gnu.org>
862 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
863 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
865 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
866 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
867 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
868 * rs6000.md: Name various internal patterns.
870 2000-05-25 Jan Hubicka <jh@suse.cz>
872 * jump.c (invert_exp_1): Remove first argument, use pc_set
873 to get the expression.
874 (redirect_exp): Make static; redirect only the pc_set expression,
875 remove first argument.
876 (invert_exp): Remove first argument, make static.
877 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
878 any_onlyjump at most places where we originaly did condjump_p
880 (jump_back_p, follow_jumps, thread_jumps): Likewise.
881 (delete_barrier_succesors): Use pc_set.
882 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
883 calls of invert_exp and redirect_exp.
884 * rtl.h (redirect_exp, invert_exp): Remove.
885 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
887 2000-05-25 Richard Henderson <rth@cygnus.com>
889 * stmt.c (expand_end_bindings): Fix thinko last change.
891 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
892 Andrew Haley <aph@cygnus.com>
894 * except.c (func_eh_entry): Add emitted field.
895 (new_eh_region_entry): Set emitted field to 0;
896 (output_exception_table_entry): Only emit previously un-emitted data,
897 and send it to the eh_data section.
898 (output_exception_table): Break out common parts. Output
899 exception table for entire compilation unit to eh_data section.
900 (output_exception_table_data): Common parts of output_exception_table.
901 Send output to eh_data section.
902 (output_function_exception_table): Output exception table data for
903 a single function to eh_data section.
904 (free_exception_table): New external to free the table.
905 * except.h (free_exception_table): Add prototype.
906 (output_function_exception_table): Add prototype.
907 * final.c (final_end_function): Output function exception table
908 for IA64_UNWIND_INFO.
909 (final_scan_insn): Emit any unwind directives for an insn.
911 * frame-dwarf2.c: New file containing all DWARF 2 specific code
913 * frame.c: Remove all DWARF 2 specific code.
914 * config/ia64/frame-ia64.c: New file.
915 (gthread_stuff): Make all gthread available with
917 (dwarf_fde): Define an IA64 struct for dwarf_fde.
918 (__register_frame_info, __register_frame): Move to common area of file.
919 (__register_frame_info_table, __register_frame_table): Move to common i
921 (__deregister_frame_info, __deregister_frame): Move to common area.
922 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
923 (read_uleb128): New version for ia64.
924 (get_unwind_record): Read the next IA-64 unwind record.
925 (read_R_record): Read a region header record.
926 (process_a_b_reg_code): X record helper.
927 (read_X_record): Read an X format record.
928 (read_B_record): Read a B format record.
929 (P3_record_types): List of record types matching the P3 format.
930 (P7_record_types): List of record types matching the P7 format.
931 (P8_record_types): List of record types matching the P8 format.
932 (read_P_record): Read a P format record.
933 (init_ia64_reg_loc): Set default fields for a register.
934 (init_ia64_unwind_frame): Set defaults for all register records.
935 (execute_one_ia64_descriptor): Execute one descriptor record.
936 (rse_address_add): Calculate the position of a local reg in memory.
937 (normalize_reg_loc): Turn a location descriptor into a memory address.
938 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
939 within a specified PC offset range.
940 (get_real_reg_value): Given a register location, retrieve its value.
941 (set_real_reg_value): Change the value of a register location.
942 (copy_reg_value): Copy reg values, if needed.
943 (copy_saved_reg_state): Copy all registers that need to be copied.
944 (process_state_between): Normalize all frame register records that
945 fall within the specified PC range.
946 (frame_translate): Take a processed frame description, and turn
947 everything into addresses.
948 (build_ia64_frame_state ): Find and create frame state record for a PC.
949 (get_personality): Get the personality routine for a given frame.
950 (get_except_table): Get the exception table for a given frame.
951 (record_name): Unwind record names for debugging.
952 (print_record): Print and unwind record.
953 (print_all_records): Print an entire unwind image.
954 (__ia64_backtrace): Print a backtrace.
955 (ia64_backtrace_helper): New function.
956 (__register_frame_info_aux): New function.
957 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
959 * frame.h (enum unw_record_type): New unwind record types.
960 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
961 (struct unw_r_record, unwind_record): New unwind record structs.
962 (struct unwind_info_ptr): Unwind information layout.
963 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
965 (struct ia64_reg_loc): Register location description.
966 (struct ia64_frame_state): Location of all registers in a frame.
967 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
968 * libgcc2.c (__ia64_personality_v1): Personality routine.
969 (__calc_caller_bsp): Calculate the bsp register for the caller's
971 (ia64_throw_helper): Figure out who to return to and set up the
973 (__throw): Throw routine.
975 * output.h (assemble_eh_align, assemble_eh_label): New functions
976 to generate EH info where we want it.
977 (assemble_eh_integer): New function.
978 * toplev.c (compile_file): Output module level exception table for
980 (main): Set exceptions_via_longjump and flag_new_exceptions based
981 on IA64_UNWIND_INFO too.
983 * varasm.c (assemble_eh_label): Generate a label via
984 ASM_OUTPUT_EH_LABEL if it has been specified.
985 (assemble_eh_align): Generate an alignment directive via
986 ASM_OUTPUT_EH_ALIGN if it has been specified.
987 (assemble_eh_label): Generate an integer value via
988 ASM_OUTPUT_EH_type if they have been specified.
989 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
990 (ia64_init_builtins): Add __builtin_ia64_bsp
991 and __builtin_ia64_flushrs.
992 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
993 IA64_BUILTIN_FLUSHRS.
994 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
995 IA64_BUILTIN_FLUSHRS.
997 * config/ia64/ia64.md (flushrs): New insn to flush the register
998 stack. Add to unspec list.
1000 * config/ia64/crtbegin.asm (frame_object): Change size.
1001 (__do_frame_setup_aux): New function.
1002 * config/ia64/crtend.asm: call __do_frame_setup_aux.
1003 * config/ia64/t-ia64 (LIB2ADDEH): Add.
1004 * Makefile.in (LIB2ADDEH): Add.
1005 (LIB2ADD): Use LIB2ADDEH.
1007 2000-05-24 Richard Henderson <rth@cygnus.com>
1009 * recog.c (offsettable_address_p): If mode size is zero, assume
1012 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
1014 * configure.in: Check for -Wno-long-long option support and improve
1015 handling of warning CFLAGS for stages 1 and 2.
1016 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
1017 * configure: Regenerate.
1019 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
1021 * gcc.texi: Remove contributor list. Instead include contrib.texi.
1022 * contrib.texi: New file.
1024 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1026 * loop.c (basic_induction_var): Avoid double recording of an increment.
1028 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1030 * Back out this patch:
1031 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
1032 * loop.h (struct induction): Add multi_insn_incr.
1033 * loop.c (basic_induction_var): New multi_insn_incr argument.
1034 Set it if we search back through previous insns for the biv.
1035 (record_biv): New multi_insn_incr argument; fill in struct induction.
1036 (strength_reduce): Discard an iv with multiple bivs, any of
1037 which require multiple insns to increment.
1039 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
1041 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1043 * rtl.h (loc_mentioned_in_p): Declare.
1044 * reload.c (loc_mentioned_in_p): Moved from here...
1045 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
1046 Fix loop increment for 'E' handling.
1047 * loop.c (strength_reduce): When doing biv->giv conversion,
1048 take multi-insn biv increments into account.
1050 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
1052 * stmt.c (expand_end_bindings): Look through NOTEs to find a
1055 2000-05-24 Mark Mitchell <mark@codesourcery.com>
1057 * calls.c (expand_call): Handle cleanups in tail-recursion
1058 arguments analagously to cleanups in sibling calls.
1060 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1062 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
1063 All callers changed.
1065 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1067 * expr.c (expand_assignment, store_expr, expand_expr,
1068 expand_expr_unaligned): Set in_check_memory_usage while emitting
1069 chkr_check_addr libcall.
1071 2000-05-24 Nick Clifton <nickc@cygnus.com>
1073 * fold-const.c (extract_muldiv): When constructing a
1074 multiplier/divisor, do not expect const_binop to correctly
1075 determine if overflow has occured, so check explicitly.
1077 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1079 * c-decl.c (build_enumerator): Don't modify the value's type,
1082 2000-05-24 Andreas Jaeger <aj@suse.de>
1084 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
1086 2000-05-24 Eric Christopher <echristo@cygnus.com>
1088 * configure.in: Redefine inhibit_libc conditions.
1089 * libgcc2.c: Remove inhibit_libc conditional define.
1090 * configure: Regenerate.
1092 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
1094 * configure.in: For --enable-languages=LIST, check for empty LIST.
1095 * configure: Regenerate.
1097 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
1099 * pdp11.h (STACK_BOUNDARY): Define.
1101 2000-05-24 Jakub Jelinek <jakub@redhat.com>
1103 * ifcvt.c (if_convert): Update life info globally.
1105 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1107 * emit-rtl.c (unshare_all_decls): New function.
1108 (unshare_all_rtl): Call it.
1110 2000-05-23 Nick Clifton <nickc@cygnus.com>
1112 * configure.in: Treat 'strongarm' as if it were 'arm' when
1113 determining cpu type.
1115 * configure: Regenerate.
1117 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
1118 where constant strings are involved.
1120 * config/arm/arm.h (arm_condition_codes): Change type to 'const
1123 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
1124 cases where constant strings are involved.
1126 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
1128 * config/sh/sh.c (gen_far_branch, split_branches): Update
1129 to reflect new prototypes for redirect_jump and invert_jump.
1130 (sh_insn_length_adjustment): Get rid of const warnings.
1132 2000-05-23 Kazu Hirata <kazu@hxi.com>
1134 * invoke.texi (Options for Debugging Your Program or GCC): Update
1135 the names of dump files.
1137 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
1139 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
1140 * configure: Regenerated.
1142 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1144 * simplify-rtx.c (SIGN_EXTEND): New macro.
1145 (simplify_unary_operation, simplify_binary_operation,
1146 simplify_relational_operation): Use SIGN_EXTEND. Make low
1147 halves of (low, high) pairs unsigned if they weren't already.
1148 (simplify_ternary_operation): Cast INTVAL to unsigned before
1149 comparing to a MODE_BITSIZE.
1151 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1153 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
1154 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
1156 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
1157 gcc_AC_NEED_DECLARATIONS.
1159 * dwarfout.c: Don't prototype time().
1161 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
1163 * system.h: Likewise.
1165 * toplev.c: Likewise.
1167 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1169 * c-decl.c (pushdecl): Invert sense of test for non-global types.
1171 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1173 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
1175 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
1177 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
1179 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1181 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
1182 (alpha_start_function): Never write ..ng label if VMS or NT.
1183 (alpha_align_insns): Remove GP_IN_USE arg.
1184 Alignment now unsigned.
1185 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
1186 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
1187 and two define_insn's.
1189 2000-05-22 Richard Henderson <rth@cygnus.com>
1191 * combine.c (simplify_comparison): Use trunc_int_for_mode.
1193 2000-05-22 Richard Henderson <rth@cygnus.com>
1195 * stor-layout.c (place_field): Change rli->size to rli->offset.
1197 2000-05-22 Richard Henderson <rth@cygnus.com>
1199 * function.c (thread_prologue_and_epilogue_insns): Make sure
1200 existing line number notes appear after the prologue.
1202 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1204 * config/alpha/alpha.c (alpha_fnname): New static variable.
1205 (print_operand, case '~'): New case.
1206 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
1207 (alpha_start_function): Set alpha_fnname.
1208 Write "ng" label if no ldgp; don't write ldgp insn.
1209 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
1210 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
1212 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
1214 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
1217 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
1219 * varasm.c (eh_frame_section): Revert change to argument list.
1221 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1223 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
1224 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
1226 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
1227 dangling "else" that causes "break" to be conditional.
1228 Also remove unneeded code at start.
1230 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
1232 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
1233 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
1234 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
1236 2000-05-22 Jakub Jelinek <jakub@redhat.com>
1238 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
1241 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1243 * alias.c (record_component_aliases): New function.
1244 * tree.h: Clean up some declarations and comments.
1245 (record_component_aliases): New declaration.
1246 * tree.c (get_alias_set): If type and has alias set, use it.
1248 2000-05-22 Richard Henderson <rth@cygnus.com>
1250 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
1251 IF_THEN_ELSE to a setcc form.
1252 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
1254 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1256 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
1257 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1259 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1261 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1264 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1266 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1267 * config/mn10300/mn10300.c (print_operand): Likewise.
1269 * final.c (split_double): Right shift of negative values is not
1272 * ifcvt.c (if_convert): Scan and kill dead code.
1274 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1276 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1278 * diagnostic.c: Eliminate implicit int.
1279 * except.c, gcc.c: Add static prototypes.
1280 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1281 * gensupport.c (process_rtx): Use XVEC to initialize vector
1284 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1285 debug_reg_names instead of static reg_names. If not, define
1287 * regclass.c: Don't define global reg_names unless
1288 DEBUG_REGISTER_NAMES is defined.
1290 * reload1.c (order_regs_for_reload): Remove unused variable.
1291 * varasm.c: Include output.h after defaults.h. Define
1292 eh_frame_section as function of no args, not of unspecified args.
1294 * gcc.c: Constify argbuf; arguments to store_arg,
1295 process_command, main; elements of struct command and struct
1296 switchstr; local variables in execute, process_command, main.
1298 2000-05-20 Bruce Korb <bkorb@gnu.org>
1300 * fixinc/inclhack.def: many applications of c_fix=format + tests
1301 * fixinc/check.diff: regenerated
1302 * fixinc/fixincl.x: regenerated
1304 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1306 * alias.c: Clarify some comments.
1307 (record_base_value): REGNO is unsigned.
1308 * rtl.h (record_base_value): Likewise.
1310 * alias.c (aliases_everything_p): Don't special-case QImode here.
1311 * c-common.c (c_get_alias_set): Do it here.
1312 Handle BIT_FIELD_REF by getting alias info for arg.
1315 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1317 * mklibgcc.in: Restore rule to create ${dir}.
1319 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1321 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1322 GCC_FOR_TARGET used by MULTILIBS.
1323 * mklibgcc.in: Make sure each .o file depends on the
1324 directory it will be in.
1325 Make the multilib directory depends libgcc.
1327 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1329 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1331 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1333 * fold-const.c (make_range): Handle degenerated intervals.
1334 Fixes c-torture/execute/991221-1.c
1336 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1338 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1339 * reload.c (find_equiv_reg): Likewise.
1340 * alias.c (init_alias_analysis): Likewise.
1341 Only call prologue_epilogue_contains on insns.
1342 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1343 * bb-reorder.c (hard-reg-set.h): Include earlier.
1344 * haifa-sched.c (hard-reg-set.h): Likewise.
1345 * ifcvt.c (hard-reg-set.h): Likewise.
1346 * local-alloc.c (hard-reg-set.h): Likewise.
1347 * loop.c (hard-reg-set.h): Likewise.
1348 * predict.c (hard-reg-set.h): Likewise.
1349 * regrename.c (hard-reg-set.h): Likewise.
1350 * flow.c (hard-reg-set.h): Likewise.
1351 (reg_set_to_hard_reg_set): New function.
1352 * bitmap.c (regs.h, basic-block.h): No longer include.
1353 (bitmap.h): Now include.
1354 * conflict.c (hard-reg-set.h): Include.
1355 * profile.c (hard-reg-set.h): Likewise.
1356 * print-rtl.c (hard-reg-set.h): Likewise.
1357 * sbitmap.c (hard-reg-set.h): Likewise.
1358 * toplev.c (hard-reg-set.h): Likewise.
1359 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1360 * hard-reg-set.h (reg_names): Now constant.
1361 * regs.h (reg_names): Likewise.
1362 * regclass.c (reg_names): Likewise.
1363 * loop.h (basic-block.h): No longer include.
1364 (bitmap.h): Now include.
1365 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1366 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1367 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1369 2000-05-19 Jan Hubicka <jh@suse.cz>
1370 Richard Henderson <rth@cygnus.com>
1372 * basic-block.h (struct edge_def): New field "count".
1373 (struct basic_block_def): Likewise.
1374 * flow.c (entry_exit_blocks): Add count fileds.
1375 (split_edge): Keep count information up-to-date.
1376 (dump_edge_info, dump_flow_info): Dump count fields.
1378 * final.c (count_instrumented_edges): Rename to edge from arc.
1379 (end_final): Update users.
1380 * profile.c: Include expr.h, basic-block.h.
1381 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1382 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1383 (ignore_next_note, return_label_execution_count): Kill.
1384 (bbg_file_name, da_file_name): Kill.
1385 (edge_info, bb_info): New structures.
1386 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1387 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1388 (total_num_edges_instrumented): Likewise.
1389 (init_arc, expand_spanning_tree): Kill.
1390 (fill_spanning_tree, tablejump_entry_p): Kill.
1391 (instrument_edges): Rewrite from instrument_arcs to use
1392 commit_edge_insertions infrastructure.
1393 (compute_branch_probabilities): Remove arguments; rewrite for
1394 CFG infrastructure; use rtl_dump_file directly.
1395 (branch_prob, find_spanning_tree): Likewise.
1396 (union_groups, find_group): New.
1397 (init_branch_prob): Make bbg_file_name and da_file_name local.
1398 (end_branch_prob): Use rtl_dump_file directly.
1399 (init_edge_profiler): Rename to edge from arc.
1400 (output_arc_profiler): Kill.
1401 (gen_edge_profiler): New.
1402 (output_func_start_profiler): Turn off profiling. Make the
1403 constructor static when we can.
1404 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1406 * toplev.c (DFI_flow): Remove.
1407 (DFI_cfg, DFI_life): New.
1408 (dump_file): Update accordingly.
1409 (compile_file): Call end_branch_prob if profile_arc_flag too.
1410 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1411 profiling after the CFG is built. Move flow1 life analysis to
1412 DFI_life. Always estimate remaining probabilities.
1414 2000-05-19 Richard Henderson <rth@cygnus.com>
1416 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1418 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1420 2000-05-19 Richard Henderson <rth@cygnus.com>
1422 * jump.c (redirect_jump): Add delete_unused argument. Don't
1423 remove labels and code following when LABEL_NUSES goes to zero.
1424 (invert_jump): Likewise.
1425 (jump_optimize_1): Fix redirect/invert arguments.
1426 (do_cross_jump, thread_jumps): Likewise.
1427 * flow.c (split_edge): Likewise.
1428 * reorg.c (optimize_skip): Likewise.
1429 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1430 * profile.c (instrument_arcs): Likewise.
1431 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1432 * rtl.h: Update prototypes.
1434 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1436 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1438 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1441 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1443 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1444 past l1 when deleting whitespace and markers.
1446 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1447 * cpplib.c (do_unassert): Put the list to compare against on
1450 2000-05-19 Bruce Korb <bkorb@gnu.org>
1452 * fixinc/README: cleaned up old documentation
1453 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1454 * fixinc/check.tpl: compute the list of needed directories
1455 emit "#if defined(name)" because of conflict
1456 omit machine name differences from output differences
1457 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1458 (machine_name): change test text to use `sed' markers
1459 * fixinc/fixincl.x: regen
1461 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1463 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1466 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1468 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1469 it to match the current practice.
1471 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1473 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1475 2000-05-18 Richard Henderson <rth@cygnus.com>
1477 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1478 * rtl.h (insn_dependant_p): Declare it.
1479 * loop.c (strength_reduce): Use it.
1481 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1483 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1484 16-bit and 64-bit clean-up.
1486 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1488 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1489 * configure: Rebuilt.
1491 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1493 * genopinit.c: Use $ for escape sequences in optab patterns.
1494 Remove backslashes from optab patterns. Change $A, $B, $C to
1495 expand to (int) whatever instead of just whatever; remove
1496 explicit (int) from all optab patterns.
1498 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1499 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1500 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1501 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1504 2000-05-18 Richard Henderson <rth@cygnus.com>
1506 * jump.c (jump_optimize_1): Base minimum insn count during
1507 find_cross_jump on BRANCH_COST.
1509 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1511 * print-rtl.c (print_rtx): Only print note line number as string
1512 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1513 * final.c (final_scan_insn): Do nothing for note line number 0.
1515 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1517 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1518 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1519 NOTE_INSN_DELETED_LABEL.
1521 2000-05-18 Nick Clifton <nickc@cygnus.com>
1523 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1524 uninitialised data in .rodata not .bss, and do not interpret an
1525 error in the initialisation value as meaning that the variable
1526 should be placed in the .bss section.
1528 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1530 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1531 not `$ac_cv_prog_cc_cc_c_o'.
1532 * configure: Regenerated.
1534 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1535 Richard Henderson <rth@cygnus.com>
1537 * c-common.h (enum c_tree_index): Add g77 type entries.
1538 (g77_integer_type_node, g77_uinteger_type_node): New.
1539 (g77_longint_type_node, g77_ulongint_type_node): New.
1540 * c-decl.c (init_decl_processing): Initialize them.
1542 2000-05-18 Richard Henderson <rth@cygnus.com>
1544 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1546 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1547 (small_power_of_two): Likewise; use exact_log2.
1548 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1549 (output_adds_subs): Remove.
1550 (two_insn_adds_subs_operand): New.
1551 (split_adds_subs): New.
1552 * config/h8300/h8300-protos.h: Update.
1553 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1554 (CONST_OK_FOR_L): Match strict adds operands.
1555 (CONST_OK_FOR_N): Match struct subs operands.
1556 * config/h8300/h8300.md (adds_subs insns): Remove.
1557 (addhi patterns): Output adds/subs directly.
1558 (addsi_h8300h): Likewise.
1559 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1561 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1563 * cppexp.c (parse_assertion): New.
1564 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1565 (_cpp_parse_expr): Remove case '#'. Don't set
1566 parsing_if_directive.
1567 * cpphash.c (collect_objlike_expansion,
1568 collect_funlike_expansion, collect_params,
1569 _cpp_create_definition): The list no longer has a trailing
1571 * cpphash.h (enum node_type): Add T_ASSERTION.
1572 (struct hashnode): Remove aschain, add pred.
1573 (struct predicate): New.
1576 * cpplex.c (expand_token_space): Handle both offset and
1578 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1579 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1580 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1581 _cpp_equiv_toklists): New.
1582 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1583 stop at any single-character token, not just newline.
1584 (_cpp_lex_token): Remove special cases for #define and #if.
1585 (cpp_get_token): Expect # as a separate token type. Remove
1587 (_cpp_get_directive_token): Remove DIRECTIVE case.
1588 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1590 * cpplib.c (_cpp_check_directive): Set dirno and
1591 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1592 (_cpp_handle_directive): Run # <number> through the same logic
1593 as normal directives.
1594 (do_define): Don't set parsing_define_directive. Use
1595 _cpp_scan_until. The list does not have a VSPACE at the end.
1596 (do_if): Save, clear, and restore only_seen_white around
1598 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1599 (do_assert, do_unassert): Rewrite.
1601 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1602 (LIST_OFFSET): New flag.
1603 (struct cpp_toklist): Replace dir_handler and dir_flags with
1605 (struct cpp_reader): Remove parsing_if_directive and
1606 parsing_define_directive.
1608 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1610 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1611 following the cabs decl which terminate on the following line.
1612 Add the corresponding test_text case.
1614 2000-05-18 Neil Booth <NeilB@earthling.net>
1616 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1617 default tab stop size.
1618 (no_num, OPT_ftabstop): New.
1619 (handle_option): Handle "ftabstop=" command-line option.
1620 (print_help): Document it.
1621 * cpplex.c (COLUMN): Remove.
1622 (handle_newline): Reset col_adjust.
1623 (skip_whitespace): Update col_adjust as tabs encountered.
1624 (_cpp_lex_line): Update to use col_adjust. Call
1625 skip_whitespace for all whitespace.
1626 * cpplib.h (struct cpp_options): New member tabstop.
1627 (struct cpp_reader): New member col_adjust.
1628 (CPP_BUF_COL): Update.
1629 (CPP_BUF_COLUMN): New.
1630 * cpp.texi: Document "-ftabstop=" command line option.
1632 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1634 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1636 * configure: Rebuilt.
1638 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1640 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1642 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1643 HOST_BITS_PER_WIDE_INT is >= 64.
1645 2000-05-17 Richard Henderson <rth@cygnus.com>
1647 * jump.c (jump_optimize_1): Remove inactive but real insns
1648 in jump-to-next-insn optimization.
1650 2000-05-17 Richard Henderson <rth@cygnus.com>
1652 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1653 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1654 Don't call recompute_reg_usage if no_new_pseudos is true.
1655 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1656 Return true if we did work; update global life information.
1657 * basic-block.h (optimize_mode_switching): Update decl.
1659 2000-05-17 Neil Booth <neilb@earthling.net>
1661 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1663 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1665 * cpplib.c: New feature, #pragma system_header.
1666 * cpp.texi: Document special treatment of system headers, and
1667 the various mechanisms to get a header that special treatment.
1669 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1671 * system.h (offsetof): Define at the very end, to ensure we prefer
1672 the platform's definition if available.
1674 2000-05-16 Bruce Korb <bkorb@gnu.org>
1676 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1677 * fixinc/server.c: likewise
1678 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1679 + #ifdef debugging code + use #def constant for
1681 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1682 on C++ math namespace
1684 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1686 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1687 Don't check the return value of sprintf. Use asprintf to avoid
1690 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1692 * flags.h (warn_unused_function, warn_unused_label,
1693 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1694 Replace ``warn_unused''.
1695 (set_Wunused): Add declaration.
1696 * toplev.c (set_Wunused): New function.
1697 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1698 warn_unused_variable, warn_unused_value): New variables.
1699 (W_options): Add -Wunused-function, -Wunused-function,
1700 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1701 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1703 * toplev.c (decode_W_option): Update -Wunused flags by calling
1705 * c-decl.c (c_decode_option): Ditto for -Wall.
1707 * stmt.c (expand_expr_stmt, expand_expr_stmt,
1708 warn_about_unused_variables): Replace warn_unused with more
1709 explicit warn_unused_value et.al.
1710 * function.c (expand_function_end): Ditto.
1711 * c-typeck.c (internal_build_compound_expr,
1712 internal_build_compound_expr): Ditto.
1713 * c-decl.c (poplevel, pop_label_level): Ditto.
1714 * toplev.c (check_global_declarations): Replace warn_unused with
1715 check for either warn_unused_function or warn_unused_variable.
1717 * gcc.1, invoke.texi (Warning Options): Document
1718 -Wunused-function, -Wunused-function, -Wunused-label,
1719 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
1721 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
1723 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
1724 $(srcdir), not in the current directory.
1726 2000-05-16 Richard Henderson <rth@cygnus.com>
1728 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
1729 assembler supports it.
1730 (.fini, .init): Use a gp-relative indirect call.
1731 (__do_global_dtors_aux): Preserve the gp; rebundle.
1732 (__do_frame_setup): Likewise.
1733 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
1734 (.init): Use a gp-relative indirect call.
1735 (__do_global_ctors_aux): Preserve the gp.
1737 2000-05-16 Richard Henderson <rth@cygnus.com>
1739 * flow.c (commit_one_edge_insertion): Be prepared for a return
1740 insn to be inserted on the edge with a normal jump.
1741 * jump.c (jump_optimize_1): Don't look to create return isns.
1743 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
1744 * jump.c (jump_optimize_1): Likewise.
1745 (returnjump_p): Verify the argument is a JUMP_INSN.
1746 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
1748 2000-05-16 Nick Clifton <nickc@cygnus.com>
1750 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
1751 GET_RTX_CLASS (GET_CODE ()) == 'i'.
1752 (large_insn_p): Ditto.
1753 (m32r_is_insn): New function: Return true if the insn contains
1754 an executable instruction.
1755 (m32r_adjust_insn): Use m32r_is_insn.
1756 (m32r_sched_reorder): Use m32r_is_insn.
1757 (m32r_sched_variable_issue): Use m32r_is_insn.
1759 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1761 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
1764 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
1766 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
1767 according to given options.
1769 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
1771 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
1772 if X has VOIDmode either.
1773 (LIMIT_RELOAD_CLASS): Similarly.
1775 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
1776 not "general_operand" to match the processor's capabilities.
1778 2000-05-16 Bruce Korb <bkorb@gnu.org>
1780 * fixinc/README: corrected return address
1781 * fixinc/check.diff: regenerate, now that test works
1782 * fixinc/fixfixes.c(format_fix,format_write): reformatted
1783 (char_macro_def_fix,char_macro_use_fix): corrected and
1784 rewrote to use regex to parse the text
1785 * fixinc/inclhack.def: more testing
1786 * fixinc/fixincl.x: regenerated
1788 * fixinc/inclhack.def: added several "test_text" attributes
1789 changed several fixes to use `c_fix = format'
1790 re-alphabetized the fixes
1792 * fixinc/check.diff: regenerate
1793 * fixinc/fixincl.x: regenerate
1794 * fixinc/check.tpl: added `sparc' and `netinet' to the list
1798 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
1800 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
1802 2000-05-15 Richard Henderson <rth@cygnus.com>
1804 * toplev.c (rest_of_compilation): Run full jump pass before
1805 find_basic_blocks of flow2.
1807 2000-05-15 Richard Henderson <rth@cygnus.com>
1809 * jump.c: Fix typos and clarify commentary from last change.
1810 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
1811 (safe_to_remove_jump_p): Remove.
1812 (condjump_label): Use pc_set.
1814 2000-05-15 Richard Henderson <rth@cygnus.com>
1816 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
1817 that get in the way after reload.
1818 (cond_exec_process_if_block): Skip a label heading THEN block.
1820 2000-05-15 Richard Henderson <rth@cygnus.com>
1822 * varasm.c (output_constant_pool): Abort instead of converting
1823 (improperly) deleted labels to zero.
1825 2000-05-16 Neil Booth <NeilB@earthling.net>
1827 * cpplex.c (parse_string2): Update comment.
1828 (cpp_lex_line): No special assertion treatment for '('.
1829 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
1830 * cpplib.h (SYNTAX_ASSERT): Remove.
1832 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1834 * jump.c (condjump_p): Mark as depreached.
1835 (any_condump_p): New.
1836 (any_uncondump_p): New.
1838 (safe_to_remove_jump_p): New.
1839 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
1840 safe_to_remove_jump_p): Declare.
1842 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1844 * calls.c: Re-install both patches reverted by last patch.
1845 (struct arg_data): New field tail_call_reg.
1846 (initialize_argument_information): Initialize tail_call_reg
1847 (load_register_parameters): New argument flags, use
1848 tail_call_reg when emiting tail call sequence.
1849 (expand_call): Update call of load_register_parameters;
1850 copy unadjusted_args_size to adjusted_args_size.
1852 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
1854 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
1855 and bct_p parameters to flags.
1856 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
1857 * rtl.h (loop_optimize): Update prototype.
1858 * toplev.c (rest_of_compilation): Update call of loop_optimize.
1860 2000-05-15 Jakub Jelinek <jakub@redhat.com>
1862 * calls.c (expand_call): Move expand_start_target_temps call after
1865 2000-05-15 Neil Booth <NeilB@earthling.net>
1867 * cpphash.c (trad_stringify, warn_trad_stringify,
1868 collect_params): Make some pointers pointers to const.
1869 * cpplex.c (auto_expand_name_space) Guaranteed to always
1870 expand by at least one character.
1871 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
1872 (struct token_spelling): Use const U_CHAR * rather than PTR.
1873 (expand_name_space): Fix up token pointers if name space
1874 is moved when expanding.
1875 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
1876 parse_string2, save_comment, spell_token, cpp_output_list):
1877 Update so the routines handle tokens with a direct pointer to
1878 their text, rather than an offset into the token's list's namebuf.
1879 (_cpp_lex_line): Rearrange for clarity.
1881 * cpplib.c (_cpp_check_directive): Similarly.
1882 (do_define): Make SYM a pointer to const.
1883 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
1884 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
1885 (TOK_OFFSET): Delete.
1888 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
1890 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
1893 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
1895 (logical_u_operand): Delete.
1896 (non_logical_cint_operand): Rewrite to take MODE into account.
1897 (non_logical_u_cint_operand): Delete.
1898 (boolean_operator): New function.
1899 (print_operand): Add new %q operand.
1900 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
1901 remove logical_u_operand and non_logical_u_cint_operand,
1902 update logical_operand and non_logical_cint_operand.
1903 * config/rs6000/rs6000.md: Rewrite the patterns for performing
1904 logical operations to use %q.
1906 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
1907 (movdi): Make similar to movsi.
1908 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
1909 is no such thing as a DImode CONST_DOUBLE.
1910 * config/rs6000/rs6000.c (output_toc): Likewise.
1912 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
1913 codes when old mnemonics are in use. Print register names
1914 for cc registers when requested.
1916 * optabs.c (expand_float): Don't allow mode widening that causes
1919 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
1920 flags to their current names -maix64 and -maix32.
1922 2000-05-14 Bruce Korb <bkorb@gnu.org>
1924 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
1925 and/or after current text of file
1926 * fixinc/fixlib.c(must_malloc):
1927 * fixinc/fixlib.h(must_malloc): + reformatting
1928 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
1929 with usages of ``c_fix = wrap;''
1930 Add several tests and use the ``c_fix = format'' fixer more.
1931 * fixinc/fixincl.x: regen
1932 * fixinc/check.diff: regen
1933 * fixinc/check.tpl: emit the associated header with the missing
1936 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
1938 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
1939 variables $src and $dst.
1941 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
1943 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
1944 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
1945 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
1946 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
1948 (set_message_prefixing_rule): Declare.
1950 * diagnostic.c: (current_prefixing_rule): New variable.
1951 (set_message_prefixing_rule): Define.
1952 (output_set_prefix): Adjust buffer->emitted_prefix_p.
1953 (init_output_buffer): Adjust Initialization.
1954 (output_emit_prefix): Rewrite. Take prefixing rules into account.
1956 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
1958 * ifcvt.c (if_convert): Do not free NULL.
1960 2000-05-12 Nick Clifton <nickc@cygnus.com>
1962 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
1963 to move a double word value.
1964 (di_operand): New function: Return true if the operand is suitbale
1965 for a double word move operation.
1966 (nonimmediate_di_operand): New function: Return true if the
1967 operand is a DImode register or MEM.
1969 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
1970 nonimmediate_di_operand.
1972 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
1973 nonimmediate_di_operand.
1975 * config/fr30/fr30.md (movdi): New pattern. Required because
1976 other patterns generate DImode results.
1977 (movdi_insn): New pattern.
1979 2000-05-12 Richard Henderson <rth@cygnus.com>
1981 * config/alpha/alpha.c (struct shadow_summary): Define
1982 bitfields as type unsigned int.
1984 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
1986 * config/avr/t-avr: Added definition of FLOAT while generates
1989 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
1990 peepholes for tst+jump = sbrs/sbrc optimization.
1992 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
1994 * expr.c (emit_push_insn): Do not adjust stack pointer when
1997 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
1999 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
2000 * system.h (offsetof): ... to here.
2002 2000-05-12 Richard Henderson <rth@cygnus.com>
2004 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
2005 * final.c (final_end_function): Use app_disable. Rearrange note
2006 handling into a switch. Emit deleted labels.
2007 (output_asm_label): Generate label strings for deleted labels.
2008 * flow.c (tail_recursion_label_list): New.
2009 (find_basic_blocks_1): Set label_value_list directly. Collect list
2010 of tail recursion labels from call_placeholders. Don't add deleted
2011 labels to the label value list.
2012 (cleanup_cfg): Use free_EXPR_LIST_list.
2013 (flow_delete_insn_chain): Turn non-removable labels into notes.
2014 (flow_delete_block): Don't disable deleting the block because of
2015 a non-removable label.
2016 (tail_recursion_label_p): New.
2017 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
2019 (merge_blocks_move_successor_nojumps): Likewise. Also move a
2021 (merge_blocks): Disable a merge because of tail recursion labels.
2022 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
2023 Use a more accurate measure of not merging the join block.
2024 (find_if_block): Don't disable conversion because of a label.
2025 (find_if_case_1, find_if_case_2): Likewise.
2026 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
2027 element when copying.
2028 (squeeze_notes): Also leave EH notes.
2029 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
2031 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
2033 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
2034 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
2035 referring to a deleted label. Convert tail handling to a switch.
2036 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
2037 for NOTE_INSN_DELETED_LABEL.
2038 (NOTE): Fix commentary.
2039 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
2040 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
2041 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
2042 (LABEL_NUSES, LABEL_REFS): Likewise.
2043 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
2045 2000-05-12 Bruce Korb <bkorb@gnu.org>
2047 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
2048 * fixinc/check.diff: updated
2049 * fixinc/inclhack.def: corrected & added some test_text-s
2050 * fixinc/genfixes: removed unneeded options to autogen invocation
2051 * fixinc/fixincl.tpl: Specified the output file
2052 * fixinc/fixfixes.c: visual appearance
2053 * fixinc/fixincl.x: regenerate
2055 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
2057 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
2058 CTRL_defn_fix): Delete.
2059 (fix_char_macro_defines, fix_char_macro_uses): Rename to
2060 char_macro_def_fix and char_macro_use_fix, respectively. Put
2061 them into the FIXUP_TABLE. Get the string to search for from
2064 (format_write): New function.
2065 (format_fix): Use it.
2067 (FIX_PROC_HEAD): Constify text parameter.
2068 (machine_name_fix): Constify all char *s.
2069 * fixtests.c (skip_quote): Remove double static.
2071 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
2072 ctrl_use_quotes): Update for new scheme.
2073 * fixincl.x: Regenerate.
2075 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
2077 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
2079 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
2080 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2082 2000-05-11 Robert Lipe <robertlipe@usa.net>
2084 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
2085 * fixincl.x: Regenerate.
2087 2000-05-11 Richard Henderson <rth@cygnus.com>
2089 * calls.c: Revert both 05-09 patches.
2091 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
2093 * config/mn10300/mn10300.c (print_operand): Print FP constants in
2095 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
2098 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
2099 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
2101 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
2103 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
2105 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2107 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
2109 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
2111 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
2112 * config/avr/avr.c (jump_over_one_insn_p): New function.
2113 * config/avr/avr.md: New peepholes added. Output test and
2114 conditional jump to "sbrc" or "sbrs" command.
2116 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
2118 * cppmain.c (main): Use IS_DIR_SEPARATOR.
2120 2000-05-11 Jakub Jelinek <jakub@redhat.com>
2122 * except.c (find_exception_handler_labels_1): New function.
2123 (find_exception_handler_labels): Split into two functions, dive
2124 into CALL_PLACEHOLDERs when looking for exception handler labels.
2126 2000-05-11 Stan Cox <scox@cygnus.com>
2128 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
2129 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
2130 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
2132 2000-05-11 Bruce Korb <bkorb@gnu.org>
2134 * fixinc/fixfixes.c (double_slash_fix): obsolete
2135 (else_endif_label_fix): obsolete
2136 (format_fix): new, unused as yet
2138 * fixinc/fixlib.h: added fix description struct for use by format_fix
2139 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
2140 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
2141 modules. Removed the vestiges of the script version.
2142 Added support for "make check".
2143 * fixinc/check.diff: base diff file (needs work!!)
2144 * fixinc/check.tpl: quiet the fixup output
2145 * fixinc/fixtests.c (main): obsolete
2146 * fixinc/fixincl.sh: don't bother copying fixincl to ..
2147 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
2149 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
2151 * toplev.c (rest_of_compilation): Remove dead code after
2154 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2156 * cpphash.c (collect_funlike_expansion): Make "# is not
2157 followed by a macro argument name" a pedwarn, not an error.
2158 Preserve the # in the output. Suppress the warning if lang_asm.
2160 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
2162 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
2163 * configure: Rebuilt.
2165 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
2167 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
2169 2000-05-10 Kazu Hirata <kazu@hxi.com>
2171 * combine.c (try_combine): Fix a typo.
2173 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
2175 * config/ia64/ia64.md (insv): Add comment.
2177 2000-05-10 Richard Henderson <rth@cygnus.com>
2179 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
2180 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
2181 dependancies on FPBIT and DPBIT.
2183 2000-05-10 Nick Clifton <nickc@redhat.com>
2185 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
2186 when optimising for size.
2187 (mark_used_regs:) Ditto.
2188 (try_pre_increment_1): Ditto.
2190 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
2192 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
2193 Make error message friendlier.
2195 * cpphash.h (struct hashnode): Use struct hack for name
2197 * cpphash.c (struct hashdummy): New.
2198 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
2199 (make_HASHNODE): No need to set ->name pointer. Correct
2201 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
2203 2000-05-10 Richard Henderson <rth@cygnus.com>
2205 * flow.c (find_basic_blocks_1): Remove any spare bb_note
2208 2000-05-10 Bruce Korb <bkorb@gnu.org>
2210 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
2212 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
2214 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
2215 after we enter .debug.
2217 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
2219 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
2220 abstract instance of a nested inline function.
2222 * stor-layout.c (finish_record_layout): finalize_type_size
2223 before laying out the pending_statics.
2225 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
2227 * cpplex.c (spell_token): New function.
2228 (spell_string, spell_comment, spell_name): fold into
2231 (E, H): Remove macros.
2232 (save_comment): Save comment opening characters too.
2233 (_cpp_lex_file): Update to use spell_token. Tidy up comment
2235 * cpplib.h (I, S): Add macros.
2236 (E, H): Remove macros.
2237 (TTYPE_TABLE): Update entries for new speller.
2238 (SYNTAX_ASSERT): Remove.
2240 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
2242 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
2243 when removing escaped newlines. Reverse sense of test for
2246 2000-05-09 Richard Henderson <rth@cygnus.com>
2248 * flow.c (find_basic_blocks_1): Do not delete the first
2249 bb_note we run across.
2250 (create_basic_block): Use reorder_insns to move an existing
2251 bb_note to the correct place.
2253 2000-05-09 Richard Henderson <rth@cygnus.com>
2255 * calls.c (expand_call): Increment currently_expanding_call
2256 before calling optimize_tail_recursion.
2258 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2260 * reload1.c (reload_combine): Fix errors in last change.
2262 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2264 * gcc.c (used_arg): Skip over a semicolon at the end of the
2265 split-up loop; don't break out of it.
2267 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2268 (tree.o): Depend on output.h.
2270 * c-decl.c (pending_invalid_xref_file,
2271 current_function_prototype_file): Constify.
2272 (pushdecl): Constify a local char *.
2273 (define_label): Constify filename parameter.
2274 * c-lex.c (init_parse): Constify parameter and return value.
2275 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2276 * c-tree.h: Update prototypes.
2277 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2278 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2279 objc/objc-parse.c: Regenerate.
2281 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2282 * dwarfout.h: Update prototypes.
2283 * expr.c (expand_expr): Constify a local char *.
2284 * flags.h: Constify main_input_filename.
2285 * function.c (expand_function_end): Constify filename parameter.
2286 * genrecog.c (make_insn_sequence): Use a character array for
2288 (main): Remove unused variables.
2289 * input.h: Constify input_filename, main_input_filename, and
2290 file_stack.name. Update prototypes.
2291 * output.h: Declare first_global_object_name and
2292 weak_global_object_name here, as const char *.
2293 * stmt.c (expand_asm_operands): Constify filename parameter.
2294 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2295 Constify filename parameter.
2296 (input_filename, main_input_filename): Constify.
2297 * toplev.h: Update prototypes.
2298 * tree.c: Include output.h. Don't declare
2299 first_global_object_name or weak_global_object_name. Clean up string
2300 bashing in get_file_function_name_long.
2301 * tree.h (struct tree_decl): Constify filename member.
2302 (input_filename): Constify.
2304 * varasm.c (first_global_object_name, weak_global_object_name):
2306 (assemble_start_function, assemble_variable): Clean up string bashing.
2308 * gcc.c: Constify all spec-related strings initialized,
2309 transitively, from string constants. Constify all strings
2310 and string variables related to multilibs.
2311 (set_spec, read_specs): Cast argument to free to PTR.
2312 (used_arg): Do not modify multilib_matches. Use strncmp plus
2313 length comparison to compare multilib switches.
2314 * genmultilib: Constify everything declared in multilib.h.
2316 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2318 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2321 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2323 * config/avr/avr-protos.h (extra_constraint): change a type of
2324 second argument from char to int to avoid warnings.
2325 (asm_output_byte): Likewise.
2327 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2328 (initial_elimination_offset): Handle elimination from
2329 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2330 (legitimate_address_p): Use MAX_LD_OFFSET.
2331 (legitimize_address): Likewise.
2332 (out_movqi_r_mr): Likewise.
2333 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2334 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2335 (out_movsi_mr_r): Likewise.
2336 (out_movqi_mr_r): Likewise.
2337 (out_movhi_mr_r): Likewise.
2338 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2339 count as CONST_INT != 6.
2340 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2341 shift count is a CONSTANT_P, but not a CONST_INT.
2342 (ashlhi3_out): Coding style modifications.
2343 (ashlsi3_out): Likewise.
2344 (ashrhi3_out): Likewise.
2345 (ashrsi3_out): Likewise.
2346 (lshrhi3_out): Likewise.
2347 (lshrsi3_out): Likewise.
2348 (ashrqi3_out): Generate shift for any known constant count without
2349 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2350 but not a CONST_INT.
2351 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2352 shift count is a CONSTANT_P, but not a CONST_INT.
2353 (extra_constraint): change a type of
2354 second argument from char to int to avoid warnings.
2355 (asm_output_byte): Likewise.
2356 (asm_file_end): Output size generated commands count as a hex
2359 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2361 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2363 (ashlqi3): Values of "length" attribute changed. Shift count
2364 uses constraints 'n' instead of 'i'.
2365 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2366 shifts without clobber register.
2367 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2368 (call_insn): Correct test for which_alternative == 1 (was 0).
2369 (call_value_insn): Likewise.
2371 * config/avr/t-avr: Remove definition of FLOAT while generates
2374 2000-05-09 Bruce Korb <bkorb@gnu.org>
2376 * fixinc/check.tpl: Template for checking fixes
2377 * fixinc/inclhack.def: Added 'test_text' for many fixes
2378 disable hpux8_bogus_inlines on SCO
2379 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2381 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2383 * calls.c (expand_call): Reorganize somewhat in order
2384 to avoid unnecesary recalculation inside loop and make
2385 tail call failure code cleaner.
2387 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2389 * alias.c (nonlocal_reference_p): Minor reformatting.
2390 * reload.c (find_equiv_reg): Simplify logic for
2391 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2392 some some reformatting.
2393 * reload1.c (reload_combine): Don't assume everything in
2394 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2396 2000-05-08 Richard Henderson <rth@cygnus.com>
2398 * final.c (current_insn_predicate): New.
2399 (final_scan_insn): Set it.
2400 * output.h (current_insn_predicate): Declare.
2402 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2403 Attach it to call insns.
2404 (cond_exec_process_if_block): Track probability for true and
2406 (dead_or_predicable): Likewise.
2408 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2409 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2410 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2411 (estimate_probability, expected_value_to_br_prob): Use them.
2413 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2414 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2415 (ia64_expand_prediction): New.
2416 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2417 as needed after calls.
2418 (ia64_epilogue_uses): Mark b0 used.
2419 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2420 (bne_true, bne_false): Remove.
2421 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2422 (br_true, br_false): New. Use predicate_operator and
2423 ia64_expand_prediction.
2424 (return_true, return_false): Likewise.
2425 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2426 (call_internal1, call_value_internal): Likewise.
2427 (call_value_internal1, call_multiple_values_internal1): Likewise.
2429 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2431 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2433 2000-05-08 Richard Henderson <rth@cygnus.com>
2435 * rtlanal.c (may_trap_p): Consider old-style and volatile
2438 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2440 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2442 2000-05-08 Richard Henderson <rth@cygnus.com>
2444 * config/ia64/ia64.h (predicate_operator): Declare.
2446 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2449 * gensupport.c (process_rtx): Copy and post-process each member
2450 of the define_insn rtvec individually.
2452 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2454 * cpplex.c (spell_token): New function.
2455 (TOKEN_LEN): Add 1 for whitespace.
2456 (_cpp_lex_file): Update to use spell_token.
2457 * cpplib.h (E): Remove.
2458 (TTYPE_TABLE): Update CPP_VSPACE entry.
2460 2000-05-08 Richard Henderson <rth@cygnus.com>
2462 * flow.c (init_propagate_block_info): Watch out for conditional
2463 branch to next instruction, and thus one outgoing edge.
2465 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2466 for global register variables; don't special case __[CD]TOR_LIST__;
2467 mind ggc_p for string allocation.
2469 2000-05-08 Nick Clifton <nickc@cygnus.com>
2471 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2473 2000-05-08 Bruce Korb <bkorb@gnu.org>
2475 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2476 i?86-*-msdosdjgpp* no longer uses fixincludes
2477 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2478 * fixinc/inclhack.sh: deleted
2479 * fixinc/hackshell.tpl: deleted
2480 * fixinc/inclhack.tpl: deleted
2481 * fixinc/Makefile.in: Remove dependencies on above
2482 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2484 2000-05-08 Andreas Jaeger <aj@suse.de>
2486 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2489 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2491 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2494 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2496 * cpplex.c: Move new lexer definitions and prototypes
2497 to top. Conditional include these and the code if
2498 NEW_LEXER is defined. Rename functions whose names
2499 clash if this code included.
2501 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2503 * rtl.def (COND_EXEC): Clarify.
2505 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2506 same fashion as zero_extendsidi2.
2508 2000-05-06 Richard Henderson <rth@cygnus.com>
2510 * config/ia64/ia64.c (predicate_operator): New.
2511 (ia64_print_operand): Handle 'J'.
2512 (rtx_needs_barrier): Handle COND_EXEC.
2513 * config/ia64/ia64.h (BRANCH_COST): Define.
2514 (PREDICATE_CODES): Update.
2515 * config/ia64/ia64.md: Docuement used unspec values.
2516 (attr predicable): New.
2517 (movxf, movxf_internal): New.
2518 (extendsfdf2): Don't comment out nop.
2519 (floatdidf2): Remove.
2520 (truncxfsf2, truncxfdf2, floatdixf2): New.
2521 (abssi2, absdi2): Put the neg in the "true" slot.
2522 (conditional branch instructions): Mark not predicable.
2523 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2524 (abs*_internal): Likewise.
2525 (alloc, set_bsp): Mark not predicable.
2526 (barrier, insn_group_barrier, flush_cache): Likewise.
2527 (define_cond_exec): New.
2529 2000-05-06 Richard Henderson <rth@cygnus.com>
2531 * c-decl.c: Include "tm_p.h".
2533 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2534 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2535 (ia64_expand_op_and_fetch): Declare.
2536 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2537 (setjmp_operand): Constify variables for XSTR.
2538 (ia64_encode_section_info): Likewise.
2539 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2541 (ia64_asm_output_external): Constify name.
2542 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2543 (process_for_unwind_directive): Provide switch default.
2544 (ia64_expand_compare_and_swap): Remove unused variables.
2545 (ia64_expand_builtin): Likewise.
2546 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2549 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2550 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2551 (shift_count_operand, shift_32bit_count_operand): Likewise.
2552 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2553 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2554 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2555 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2556 (ia64_expand_builtin): Likewise.
2557 (call_multiple_values_operation): Make dest_regno unsigned.
2559 2000-05-06 Richard Henderson <rth@cygnus.com>
2561 * rtl.def (DEFINE_COND_EXEC): New.
2562 * md.texi: Document it.
2564 * gensupport.c (input_file): Remove.
2565 (struct queue_elem): Add lineno.
2566 (rtx_ready_queue): Remove.
2568 (predicable_default): New.
2569 (predicable_true, predicable_false): New.
2570 (define_attr_queue, define_attr_tail): New.
2571 (define_insn_queue, define_insn_tail): New.
2572 (define_cond_exec_queue, define_cond_exec_tail): New.
2573 (other_queue, other_tail): New.
2574 (queue_pattern): New.
2575 (process_rtx): Add patterns to the appropriate queues.
2576 (is_predicable, identify_predicable_attribute): New.
2577 (n_alternatives, collect_insn_data): New.
2578 (alter_predicate_for_insn, alter_test_for_insn): New.
2579 (shift_output_template, alter_output_for_insn): New.
2580 (process_one_cond_exec, process_define_cond_exec): New.
2581 (init_md_reader): Read the entire file. Process define_cond_exec.
2582 (read_md_rtx): Return elements from the queues.
2584 2000-05-06 Richard Henderson <rth@cygnus.com>
2586 * flow.c (mark_set_1): Don't update conditional life info
2587 if the register is not_dead.
2589 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2591 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2592 (mostlyclean): Also delete fixincl, fixinc.sh, and
2593 specs.ready, and make clean in the fixinc subdir.
2595 2000-05-06 Richard Henderson <rth@cygnus.com>
2597 * Makefile.in (gensupport.o): Compile for the host.
2598 (host-prefix gensuuprt.o): Remove.
2599 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2600 (genattrtab.o): Likewise.
2601 (gencodes.o): Depend on gensupport.h.
2602 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2603 (genpeep.o, genattr.o, genoutput.o): Likewise.
2605 * gensupport.c (obstack, rtl_obstack): New.
2606 (init_md_reader): Initialize rtl_obstack.
2607 * gensupport.h (rtl_obstack): Declare.
2608 (message_with_line): Declare.
2610 * genattr.c: Remove all traces of obstack manipulation.
2611 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2612 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2614 * genattrtab.c (obstack, rtl_obstack): Remove.
2615 (main): Don't init rtl_obstack.
2616 * genflags.c: Likewise.
2618 * genrecog.c (message_with_line): Move ...
2619 * gensupport.c: ... here.
2621 2000-05-06 Richard Henderson <rth@cygnus.com>
2623 * c-typeck.c (build_c_cast): Remove dead code.
2625 2000-05-06 Richard Henderson <rth@cygnus.com>
2627 * flow.c (split_edge): Don't allocate global_live_at_start for
2628 the new block unless the old blocks had them as well.
2630 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2632 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2633 test_bb if a or b uses x.
2635 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2637 * cpphash.h: Remove conditional #define of __extension__.
2638 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2639 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2640 (ENABLE_RTL_CHECKING only).
2641 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2642 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2643 (ENABLE_TREE_CHECKING only).
2644 * varray.h: Add __extension__ to VARRAY_CHECK macro
2645 (ENABLE_CHECKING only).
2647 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2649 Use new tail-calling mechanism on ARM.
2650 * arm.md (sibcall, sibcall_value): New expands.
2651 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2652 (tailcalling peepholes): Delete.
2653 (push_multi): Simplify.
2654 * arm.c (lr_save_eliminated): Delete definition.
2655 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2656 (output_return_instruction): Remove checks on lr_save_eliminated.
2657 (output_arm_prologue): Remove old tail-calling code.
2658 (arm_output_epilogue): New parameter, really_return. All callers
2659 changed. Handle tail-calling epilogues.
2660 * arm.h (lr_save_eliminated): Delete declaration.
2661 (frame_pointer_needed): Delete declaration.
2662 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2664 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2666 * arm.c (thumb_code): Define it.
2667 (arm_override_options): Set it.
2668 * arm.h (thumb_code): Declare it.
2670 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2672 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2674 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2676 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2677 bogus clobber to insns.
2678 (load_multiple_operation, store_mulitple_operation): Don't check
2680 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2682 * arm.md (and_scc, ior_scc): Add missing mode.
2684 * arm.md (call_value_symbol): Remove predicate from op2.
2686 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2688 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2690 * expr.c (get_subtarget): New function.
2691 (force_operand, expand_expr, do_store_flag): Use it.
2693 * toplev.c (compile_file): Don't take strlen of NAME if null.
2695 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2697 * xcoffout.c (xcoff_current_include_file,
2698 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2699 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2701 (xcoffout_declare_function): Make name 'const char *'.
2702 (xcoffout_end_epilogue): Make fname 'const char *'
2703 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2704 xcoffout_declare_function, xcoffout_source_line): Match above.
2706 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
2708 * rs6000.c (print_operand): Fix lossage typo.
2709 (output_cbranch): Remove "cr" decoration for now.
2710 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
2712 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
2714 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
2717 2000-05-05 Bruce Korb <bkorb@gnu.org>
2719 * fixinc/genfixes: Improve the matching for make target names
2721 2000-05-05 Catherine Moore <clm@cygnus.com>
2723 * c-common.c (decl_attributes): For TYPE_DECLs attach the
2724 attribute to the decl.
2725 * c-decl.c (pushdecl): Propagate the USED attribute to the
2728 2000-05-05 Richard Henderson <rth@cygnus.com>
2730 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
2731 same way emit_group_load does.
2733 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
2735 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
2737 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
2740 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
2742 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
2744 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
2746 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
2747 to support -shared, on platforms with dynamic libraries.
2749 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
2751 * system.h (S_ISBLK): Provide fallback definition.
2753 2000-05-05 Geoff Berry <geoffb@bops.com>
2755 * extend.texi (Extended Asm): Document inability to give asm
2756 statements access to condition codes.
2758 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
2760 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
2761 as arg 2 of UNIQUE_SECTION.
2763 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
2765 * predict.c: Remove May 4 change.
2766 * bb-reorder.c (make_reorder_chain): Do not perform block movement
2767 if we have predicted the branch at 50-50 probability.
2769 2000-05-05 Richard Henderson <rth@cygnus.com>
2771 * flow.c (init_propagate_block_info): Fix merge error
2772 in HAVE_conditional_execution code.
2774 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
2776 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
2777 shift cycle for unknown shift count. Also generates dec + brpl.
2778 (ashlqi3_out): Don't generate dec + brpl which now generates by
2779 `out_shift_with_cnt'.
2780 (ashlhi3_out): Likewise.
2781 (ashlsi3_out): Likewise.
2782 (ashrqi3_out): Likewise.
2783 (ashrhi3_out): Likewise.
2784 (ashrsi3_out): Likewise.
2785 (lshrqi3_out): Likewise.
2786 (lshrhi3_out): Likewise.
2787 (lshrsi3_out): Likewise.
2789 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
2791 * gcc.c (free_split_directories): Correct typo in explanation
2792 of make_relative_prefix.
2794 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2796 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
2797 comparison codes to branch_comparison_operator.
2799 2000-05-04 Richard Henderson <rth@cygnus.com>
2801 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
2803 2000-05-04 Richard Henderson <rth@cygnus.com>
2805 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
2806 (DPBIT_FUNCS): Remove _sf_to_usi.
2807 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
2809 * ifcvt.c (noce_process_if_block): Fail if A or B modified
2810 between condition and jump.
2812 * libgcc2.c (near eh_context_specific): Comment #endif string.
2813 * longlong.h: Don't use strings with embedded newlines.
2815 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2817 * config/rs6000/rs6000-protos.h: Add output_cbranch.
2818 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
2819 (print_operand): Delete %t and %T codes.
2820 (output_cbranch): New function. Support branch prediction.
2821 * config/rs6000/rs6000.md: Use output_cbranch for
2822 conditional branches and returns.
2824 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
2826 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
2827 * stor-layout.c (place_field): Likewise.
2828 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
2829 * expr.c (store_expr): Make align unsigned.
2830 * explow.c (plus_constant_wide): Make low words unsigned.
2831 * expmed.c (choose_multiplier): Likewise.
2832 * fold-const.c (fold): Likewise.
2833 * tree.h (build_int_2): Likewise.
2834 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
2835 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
2836 (init_emit): Change cast to unsigned char*.
2837 * varasm.c (compare_constant_1): Add cast to char*.
2838 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
2839 * reload1.c (reload): Likewise.
2841 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
2843 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
2845 * predict.c (estimate_probability): If no prediction was found, then
2846 predict the successor that is the next physical block (if such a
2849 2000-05-04 Richard Henderson <rth@cygnus.com>
2851 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
2853 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2855 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
2857 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
2859 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
2860 attribute macros from here ...
2861 (CPP_SPEC): to here.
2862 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2863 (CPP_SPEC): Likewise.
2864 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
2866 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
2867 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
2869 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2871 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
2873 * diagnostic (vbuild_message_string, build_message_string,
2874 build_location_prefix, output_get_prefix, init_output_buffer,
2875 output_notice, vline_wrapper_message_with_location,
2876 v_message_with_decl, default_print_error_function): De-constify.
2877 (set_real_maximum_length): Prototype.
2879 * diagnostic.h (struct output_buffer, init_output_buffer,
2880 output_get_prefix, output_set_prefix): De-constify.
2882 * function.c (init_function_start): Constify.
2884 * gensupport.c (remove_constraints, process_rtx): Prototype.
2886 * gthr-posix.h: Indent uses of #pragma.
2888 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
2891 * predict.c (find_expected_value): Delete prototype.
2892 (expected_value_to_br_prob): Initialize variable `ev_reg'.
2894 * sbitmap.h (debug_sbitmap): Prototype.
2896 * ssa.c (compute_coalesced_reg_partition): Prototype.
2898 * stor-layout.c (debug_rli): Prototype.
2900 * tree.h (round_down): Prototype.
2901 (init_function_start): Constify.
2903 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
2905 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
2906 (overly conservative). Change extern inline wrappers to
2907 static inline, define them always, use PARAMS properly.
2908 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
2909 whitespace warnings for \f and \v at the beginning of a line.
2911 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
2913 * haifa-sched.c (schedule_insns): Free the flow edge list when it
2916 2000-05-04 Bruce Korb <bkorb@gnu.org>
2918 * fixincl/inclhack.def: added broken_cabs -
2919 Remove `extern double cabs' declarations from math.h
2920 * fixincl/inclhack.sh: regen
2921 * fixincl/fixincl.x: regen
2922 * fixincl/fixincl.c: Remove BOGOSITY code
2923 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
2925 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2927 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
2929 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
2930 when calling MEM_COPY_ATTRIBUTES.
2931 * emit-rtl.c (operand_subword, change_address): Likewise.
2932 * explow.c (stabilize): Likewise.
2933 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2934 * integrate.c (copy_rtx_and_substitute): Likewise.
2935 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
2936 when calling MEM_COPY_ATTRIBUTES.
2937 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
2939 * cse.c (gen_lowpart_if_possible): Likewise.
2940 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2941 * optabs.c (gen_move_insn): Likewise.
2942 * recog.c (validate_replace_rtx_1): Likewise.
2943 * simplify-rtx.c (add_mem_for_addr): Likewise.
2944 * stmt.c (expand_anon_union_decl): Likewise.
2945 * config/arm/arm.md: Likewise.
2946 * config/h8300/h7300.c (fix_bit_operand): Likewise.
2947 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
2948 (block_move_no_loop, block_move_sequence): Likewise.
2949 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
2950 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2951 Clear MEM_ALIAS_SET.
2952 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
2953 MEM_COPY_ATTRIBUTES.
2955 2000-05-03 Robert Lipe <robertlipe@usa.net>
2957 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
2958 to suppress libgcc1.
2959 (i[34567]86-*-sco3.2v5*) Likewise.
2960 (i[34567]86-*-sco3.2v4*) Likewise.
2961 (i[34567]86-*-sco) Likewise.
2962 (i[34567]86-*-solaris2) Likewise.
2963 (i[34567]86-*-sysv5*) Likewise.
2964 (i[34567]86-*-sysv4*) Likewise.
2965 (i[34567]86-*-udk*) Likewise.
2966 (i[34567]86-*-sysv*) Likewise.
2968 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2970 * cpphash.h (U): New define, to correct type of string constants.
2971 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
2972 routines, to do casts when passing unsigned strings to libc.
2973 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
2975 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
2976 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
2977 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
2978 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
2979 second argument an U_CHAR *.
2981 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
2982 length field, clean up initializer.
2983 (ISTABLE): Add __extension__ to designated-
2984 initializers version.
2985 * cpplex.c (CHARTAB): Likewise.
2987 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
2988 case so the file won't be empty.
2990 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
2992 * bb-reorder.c (struct reorder_block_def): Member succ removed.
2993 (REORDER_BLOCK_SUCC): Removed.
2994 (enum reorder_skip_type): Removed.
2995 (skip_insns_between_block): Renamed to skip_insns_after_block.
2996 Removed second argument. Removed dead code and cleaned up.
2997 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
2998 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
2999 second parameter to skip_insns_after_block.
3001 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3003 * tree.c (staticp, case LABEL_DECL): New case.
3005 2000-05-03 Richard Henderson <rth@cygnus.com>
3007 * Makefile.in (start.encap): Do not depend on LIBGCC1.
3009 * mklibgcc1.in: Fix typo last change.
3011 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3013 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
3014 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
3015 (GCC_CFLAGS): Use it.
3016 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
3017 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
3018 objc/Make-lang.in: Use it.
3020 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
3022 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
3024 2000-05-03 Richard Henderson <rth@cygnus.com>
3026 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
3027 LIBGCC1 empty with libgcc1.null.
3029 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
3031 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
3034 2000-05-03 Greg McGary <gkm@gnu.org>
3036 * tree.h (tree_common): Add bounded_flag member. Remove
3037 inaccurate comment about number of remaining bits.
3038 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
3039 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
3040 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
3041 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
3042 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
3043 (TYPE_QUAL_BOUNDED): New constant.
3044 (TYPE_QUALS): Handle bounded qualifier.
3045 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
3046 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
3047 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
3048 TYPE_AMBIENT_BOUNDEDNESS): New macros.
3049 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
3050 (tree_type): Add pointer_depth member. Remove
3051 inaccurate comment about number of remaining bits.
3052 (DECL_POINTER_DEPTH): Add macro.
3053 (tree_decl): Add pointer_depth member.
3055 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
3057 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
3058 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
3059 (lshrhi3_out): Likewise.
3060 (ashrsi3_out): bugfix in shift by 8.
3061 (test_hard_reg_class): New function.
3062 * config/avr/avr.md: Bugfix inside conditions in peepholes.
3063 (ashlhi3): removed define_expand of this pattern.
3064 (*ashlhi3_insn): renamed to ashlhi3.
3065 (ashlsi3): removed define_expand of this pattern.
3066 (*ashlsi3_insn): renamed to ashlsi3.
3067 (ashrqi3): removed define_expand of this pattern.
3068 (*ashrqi3_insn): renamed to ashrqi3.
3069 (ashrhi3): removed define_expand of this pattern.
3070 (*ashrhi3_insn): renamed to ashrhi3.
3071 (ashrsi3): removed define_expand of this pattern.
3072 (*ashrsi3_insn): renamed to ashrsi3.
3073 (lshrhi3): removed define_expand of this pattern.
3074 (*lshrhi3_insn): renamed to lshrhi3.
3075 (lshrsi3): removed define_expand of this pattern.
3076 (*lshrsi3_insn): renamed to lshrsi3.
3078 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
3080 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
3081 inclusion of "system.h".
3083 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
3085 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
3088 2000-05-03 David Mosberger <davidm@hpl.hp.com>
3090 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
3091 if -mauto-pic is on.
3092 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
3093 -mconstant-gp is in effect and function-descriptors are being used
3094 to make indirect calls.
3095 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
3096 (MASK_AUTO_PIC): Ditto.
3097 (TARGET_CONST_GP): Ditto.
3098 (TARGET_AUTO_PIC): Ditto.
3099 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
3100 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
3101 -mno-pic is in effect.
3102 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
3103 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
3104 -mauto-pic is in effect.
3105 (gprel64_offset): New pattern.
3106 (load_gprel64): Ditto.
3107 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
3108 -mconstant-gp is in effect, no need to preserve gp around direct
3110 (call_value): Ditto.
3111 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
3112 (FUNCTION_PROFILER): Define.
3113 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
3114 @fptr() directive when -mno-pic or -mauto-pic is in effect.
3115 (ASM_OUTPUT_DESTRUCTOR): Ditto.
3117 2000-05-03 Richard Henderson <rth@cygnus.com>
3119 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
3120 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
3121 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
3122 (mklibgcc, libgcc.mk): New targets.
3123 (libgcc.a): Use libgcc.mk.
3124 (stmp-multilib): Likewise.
3125 (stmp-multilib-sub): Remove.
3126 (mostlyclean): Don't delete libgcc2 temp files.
3127 * configure.in (AC_PROG_CC_C_O): Add.
3128 (NO_MINUS_C_MINUS_O): Substitute it.
3129 (all_outputs): Add mklibgcc.
3130 * mklibgcc.in: New file.
3132 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3134 * cppexp.c (op_t): Make an int.
3136 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
3138 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
3140 * gensupport.c (process_rtx): Fix macros used.
3142 2000-05-03 Richard Henderson <rth@cygnus.com>
3144 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
3145 call-clobbered registers of a call.
3147 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3149 * gensupport.c: New file.
3150 * gensupport.h: New file.
3151 * Makefile.in (HOST_RTL): Depend on gensupport.
3152 (gensupport.o) New rule.
3153 * genattr.c: Use gensupport for reading .md files.
3154 * genattrtab.c: Ditto.
3155 * gencodes.c: Ditto.
3156 * genconfig.c: Ditto.
3158 * genextract.c: Ditto.
3159 * genflags.c: Ditto.
3160 * genopinit.c: Ditto.
3161 * genoutput.c: Ditto.
3163 * genrecog.c: Ditto.
3164 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
3165 * md.texi (Insn Splitting): Document define_insn_and_split.
3167 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
3169 * flow.c (verify_flow_info): Added two more sanity checks. The
3170 first checks that the blocks are numbered consecutively. The second
3171 checks that n_basic_blocks is actually equal to the number of
3172 basic blocks in the insn chain.
3174 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3176 * cpplib.h: Add accessor macros for token lists.
3177 * cpplib.c, cpphash.c, cpplex.c: Use them.
3179 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3181 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
3182 memory usage if not in a function.
3183 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
3184 return address if static.
3186 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
3188 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
3189 whether address may trap.
3191 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
3193 * bb-reorder (chain_reorder_blocks): Changed code to test for
3194 EDGE_FALLTHRU rather than making erroneous assumption that the
3195 first outgoing edge is the fall-through edge.
3197 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
3199 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
3200 ABI for varargs, across all MIPS. This is incompatible because the
3201 va_list (__builtin_va_list) structure is different, so a compilation
3202 unit passing a va_list and a compilation unit being passed one, should
3203 both be compiled with the same ABI. (The old structure had two
3204 pointers, now it has three.)
3206 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
3208 * bb-reorder.c (struct reorder_block_def): Remove members end,
3209 block_begin, and block_end.
3210 (REORDER_BLOCK_OLD_END): Delete.
3211 (REORDER_BLOCK_BEGIN): Delete.
3212 (REORDER_BLOCK_END): Delete.
3213 (chain_reorder_blocks): Remove dead code.
3215 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
3217 * bb-reorder.c (remove_scope_notes): Check for both types of scope
3218 notes as the end of a basic block before deleting.
3220 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
3222 * final.c (final_start_function): Fix spelling of "necessary".
3224 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
3226 * toplev.c (debug_ignore_block): Return int.
3227 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
3228 * toplev.h, dwarf2out.h: Adjust.
3229 * emit-rtl.c (remove_unnecessary_notes): Test return value.
3231 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
3232 * toplev.c, final.c, rtl.h: Adjust.
3234 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3236 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
3237 * configure.in: Look for makeinfo in the unified tree, then
3238 for a system makeinfo which is sufficiently new.
3239 * Makefile.in: If configure says makeinfo is too old, don't
3240 build or install Info documentation.
3242 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3244 * cpphash.c (collect_params): Fix off-by-one error.
3245 (dump_hash_helper): Dump all four macro nodetypes.
3247 2000-05-02 Jakub Jelinek <jakub@redhat.com>
3249 * cpphash.c (trad_stringify): Adjust p after stringification as
3252 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3254 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
3255 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
3257 * cppfiles.c (file_cleanup): Delete.
3258 * cpphash.c (macro_cleanup): Delete.
3259 (collect_objlike_expansion, collect_funlike_expansion,
3260 macarg, scan_arguments): Remove CPP_POP case.
3262 * cpplex.c (null_cleanup): Delete.
3263 (cpp_pop_buffer): Do the work that was done in the cleanups
3264 here. Call _cpp_unwind_if_stack from here.
3265 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3266 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3267 stack is the buffer _below_ the one we stacked.
3268 (cpp_get_token): Always pop an exhausted buffer. Return
3269 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3270 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3271 increment the line number.
3272 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3274 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3275 we see CPP_EOF and the top of stack is the buffer _below_ the
3277 * scan-decls.c: Likewise.
3279 2000-05-02 Andrew Haley <aph@cygnus.com>
3281 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3282 where this function is called for the second time on a decl that
3283 has had its section info changed in such a way as to move it out
3285 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3287 2000-05-01 Richard Henderson <rth@cygnus.com>
3289 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3290 the sequence we're moving, not to merge_bb->head.
3292 2000-05-01 Richard Henderson <rth@cygnus.com>
3294 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3295 reference to alpha/t-linux.
3296 (alpha*-*-linux-gnu*): Likewise.
3297 * configure: Rebuild.
3299 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3301 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3304 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3306 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3308 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3311 2000-05-01 Richard Henderson <rth@cygnus.com>
3313 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3314 emit_conditional_move.
3316 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3318 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3319 as the dynamic linker.
3321 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3323 * cppfiles.c (open_include_file): Open file in blocking mode.
3324 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3325 Only exclude block devices and directories.
3327 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3328 static. Allocate the hashnode and its string in the same
3330 (del_HASHNODE): Don't free h->name.
3331 (_cpp_lookup): If there is no entry for this string, create
3332 one, of type T_VOID.
3333 (_cpp_lookup_slot): Delete.
3334 * cpphash.h: Update prototypes.
3336 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3338 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3339 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3340 node here, just fill in the value field properly. "Delete"
3341 entries by setting the value field to T_VOID. Check for
3342 hp->type == T_VOID, not hp == NULL.
3344 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3345 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3348 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3350 * config/mn10300/mn10300.c (print_operand_address): Do not add
3353 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3354 adjusted by less than 256 bytes, use ret regardless of having any
3355 callee-saved register to restore.
3357 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3359 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3361 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3363 * config/i386/djgpp.h (INT_ASM_OP): Define.
3364 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3365 (ASM_WEAKEN_LABEL): Define.
3366 (MASK_BNU210): Define.
3367 (SUBTARGET_SWITCHES): Define.
3368 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3369 (MAKE_DECL_ONE_ONLY): Define.
3370 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3372 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3374 * i386/cygwin.h (INT_ASM_OP): Define.
3376 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3378 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3379 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3381 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3383 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3384 __tmp_reg__ and __zero_reg__ initialization.
3386 2000-04-30 Richard Henderson <rth@cygnus.com>
3388 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3390 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3391 referenced bewteen the condition and the jump. Don't delete
3392 anything but the jump.
3394 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3396 * bb-reorder.c (scope_def): New struct.
3397 (scope_forest_info): New struct.
3398 (struct reorder_block_def): New member "scope".
3399 (REORDER_BLOCK_SCOPE): New macro.
3400 (relate_bbs_with_scopes): New function and prototype.
3401 (make_new_scope): Likewise.
3402 (build_scope_forest): Likewise.
3403 (remove_scope_notes): Likewise.
3404 (insert_intra_1): Likewise.
3405 (insert_intra_bb_scope_notes): Likewise.
3406 (insert_inter_bb_scope_notes): Likewise.
3407 (rebuild_scope_notes): Likewise.
3408 (free_scope_forest_1): Likewise.
3409 (free_scope_forest): Likewise.
3410 (dump_scope_forest): Likewise.
3411 (dump_scope_forest_1): Likewise.
3412 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3413 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3415 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3416 and remove_scope_notes before reordering is done. Added calls to
3417 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3418 after reordering is done.
3420 2000-40-30 Bruce Korb <bkorb@gnu.org>
3422 * fixinc/inclhack.def: Added definitions needed by OSR5,
3423 removed two stale entries (defined away with OLD_CPP).
3424 * fixinc/inclhack.sh: regen
3425 * fixinc/fixincl.x: regen
3427 2000-04-30 Richard Henderson <rth@cygnus.com>
3429 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3430 from the last insn in the sequence.
3432 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3434 * cpplex.c (cpp_idcmp): New function.
3435 * cpplib.h: Prototype it.
3436 * scan_decls.c (scan_decls): Use it to inspect token names.
3437 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3438 the file being run through the preprocessor.
3439 (check_macro_names): Provide length of token to cpp_defined.
3441 * Makefile.in: Remove stale warning message.
3443 * cppfiles.c (redundant_include_p): Provide length of token to
3445 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3446 values are unsigned int.
3447 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3448 (_cpp_lookup_slot): Do not calculate the hash, either.
3449 * cpphash.h: Update prototypes.
3450 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3451 Hashes are unsigned int. Calculate hash here, pass by value
3452 to _cpp_lookup_slot.
3454 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3456 * simplify-rtx.c (check_value_useless): Delete function.
3457 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3459 (cselib_invalidate_regno): Likewise.
3460 (cselib_invalidate_mem_1): Likewise.
3461 (references_value_p): Recognize useless values by the fact that they
3463 (discard_useless_values): Likewise.
3464 (cselib_record_set): This may turn a useless value
3467 2000-04-30 Richard Henderson <rth@cygnus.com>
3469 * config/d30v: New port.
3471 * configure.in (d30v-*): Set fp format.
3472 * configure: Rebuild.
3474 2000-04-30 Richard Henderson <rth@cygnus.com>
3476 * ifcvt.c: New file.
3477 * Makefile.in (OBJS): Add it.
3478 (ifcvt.o): New target.
3479 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3480 and conditional arithmetic.
3481 (find_insert_position): Remove.
3482 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3483 * toplev.c (DFI_ce, DFI_ce2): New.
3484 (dump_file): Add ce and ce2 dumps.
3485 (rest_of_compilation): Run if_convert a couple o times. Set
3486 cse_not_expected after cse2. Don't set no_new_pseudos until
3487 after sched1 or recompute_reg_usage.
3489 2000-04-30 Richard Henderson <rth@cygnus.com>
3491 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3492 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3494 2000-04-30 Richard Henderson <rth@cygnus.com>
3496 * flow.c (struct reg_cond_life_info): New.
3497 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3498 (init_propagate_block_info): Initialize them.
3499 (free_propagate_block_info): Destruct them.
3500 (mark_set_1): Consider conditional life before killing a register.
3501 (mark_regno_cond_dead): New.
3502 (free_reg_cond_life_info): New.
3503 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3504 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3505 (mark_used_reg): Record conditional life.
3507 * haifa-sched.c (schedule_insns): Disable death counting
3508 sanity check for HAVE_conditional_execution.
3510 2000-04-30 Richard Henderson <rth@cygnus.com>
3512 * Makefile.in (TIMEVAR_H): New.
3513 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3514 (timevar.h): Remove rule.
3516 2000-04-29 Richard Henderson <rth@cygnus.com>
3518 * config/alpha/crtend.asm: Use C comments instead of #.
3519 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3521 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3523 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3525 * cpphash.h (enum node_type: Take out T_MCONST.
3526 (union hashval): Move into struct hashnode.
3527 (struct hashnode): Pack tighter. Remove file, line, col
3529 * cpphash.c: Constify most of the macro-definition structures.
3530 (struct definition): Replace by struct object_defn
3531 and struct funct_defn. Put file, line, column information
3532 here. All users updated to match.
3533 (_cpp_create_definition, _cpp_macroexpand): Remove special
3534 case for #define WORD OTHERWORD.
3535 * cpplib.c (do_undef): Remove T_MCONST case.
3537 * cpphash.h: Move struct reflist, struct definition, and the
3538 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3539 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3540 * cpphash.c (_cpp_free_definition): Free data pointed to by
3541 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3542 (_cpp_create_definition, del_HASHNODE): Just call
3543 _cpp_free_definition to clear out a hashnode.
3544 * cpplib.c (do_pragma_poison): Likewise.
3546 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3548 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3549 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3550 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3551 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3552 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3553 REGNO_AM33_P): Redefine in terms of the new macros.
3554 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3555 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3556 STRUCT_VALUE): Likewise.
3557 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3558 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3560 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3562 * regmove.c (struct record_stack_memrefs_data): New.
3563 (record_stack_memrefs): New function.
3564 (combine_stack_adjustments_for_block): Use it.
3566 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3568 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3569 use special_function_p to detect alloca.
3571 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3573 * gcc.texi: Fixes for makeinfo 4.0 --html.
3575 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3577 * pcp.h: Delete file.
3579 2000-04-28 Kazu Hirata <kazu@hxi.com>
3581 * h8300.c (function_epilogue): Clean up flags when the last insn
3582 in a function is a barrier.
3584 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3586 * configure.in (sparc-hal-solaris2*): protect [] glob from
3588 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3589 rather than hard-coded constants in target_cpu_default2.
3590 * configure: Regenerate.
3592 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3594 * tree.c (get_callee_fndecl): Extract the initial value from
3597 2000-04-28 Richard Henderson <rth@cygnus.com>
3599 * varasm.c (record_constant_1): Record the CODE_LABEL when
3600 taking the address of a LABEL_REF.
3602 2000-04-28 Richard Henderson <rth@cygnus.com>
3603 Jan Hubicka <jh@suse.cz>
3605 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3606 adjustment; don't do the stack adjust.
3607 (expand_call): Call compute_argument_block_size right before
3608 allocating the block; update comment; don't do alignment sanity
3609 checking for sibling call; use args_size instead of
3610 unadjusted_args_size before args_size is adjusted. Use
3611 combine_pending_stack_adjustment_and_call to compute stack adjust
3612 for must_preallocate case.
3614 * expr.c (push_block): Remove shadow `temp' in inner scope.
3616 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3618 * toplev.c (rest_of_compilation): Call
3619 note_deferral_of_defined_inline_function even if the function
3622 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3624 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3626 2000-04-28 Richard Henderson <rth@cygnus.com>
3628 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3630 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3632 * timevar.c (init_timevar): DeANSIfy function definition.
3634 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3636 * Makefile.in (timevar.o): Depend on flags.h.
3637 * timevar.c (unused_stack_instances): New variable.
3638 (timevar_push): Take a timevar_stack_def from
3639 unused_stack_instances if available.
3640 (timevar_pop): Push the popped timevar_stack_def onto
3641 unused_stack_instances.
3642 (TIMEVAR_ENABLE): New macro.
3643 (timevar_def): Make standalone a 1-bit field. Add field used.
3644 (get_time): Rename parameter to now. Return after clearing it if
3646 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3647 (timevar_pop): Likewise.
3648 (timevar_stop): Likewise.
3649 (timevar_push): Likewise. Mark the timing variable as used.
3650 (timevar_start): Likewise.
3651 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3652 timevars that were never used.
3654 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3656 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3657 always TREE_READONLY.
3659 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3661 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3662 for call instruction with mode QImode.
3664 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3666 * Makefile.in (OBJS): Add timevar.o.
3667 (toplev.o): Depend on timevar.h.
3668 (ggc-simple.o): Likewise.
3669 (ggc-page.o): Likewise.
3670 (timevar.o): New rule.
3671 (timevar.h): New rule.
3673 * timevar.h: New file.
3674 * timevar.c: Likewise.
3675 * timevar.def: Likewise.
3677 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3678 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3680 (TIMEVAR): Remove macro.
3681 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3682 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3683 flow_time, combine_time, regmove_time, sched_time,
3684 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3685 sched2_time, dbr_sched_time, reorder_blocks_time,
3686 rename_registers_time, shorten_branch_time, stack_reg_time,
3687 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3689 (compile_file): Don't initialize time variables. Call
3690 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3691 of many calls to print_time.
3692 (rest_of_compilation): Add timing for reload_cse_regs.
3693 (get_run_time): Removed to timevar.c.
3694 (print_time): Likewise.
3695 (get_run_time): Implement using TV_TOTAL time variable.
3696 (print_time): Get total run time from get_run_time.
3697 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3698 computing elapsed time explicitly.
3699 * ggc-simple.c (ggc_collect): Likewise.
3700 (gc_time): Remove declaration.
3702 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3704 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3705 (expand_call): Use it.
3707 2000-04-27 Jan Hubicka <jh@suse.cz>
3709 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
3712 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3714 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
3717 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
3719 * function.c (epilogue_done): Pass whole insn to record_insns.
3721 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3723 * cse.c (CSE_ADDRESS_COST): Remove.
3724 (find_best_addr): Add new parameter "MODE", use address_cost instead
3726 (address_cost): New.
3727 (fold_rtx): Update call of find_best_addr.
3728 * rtl.h (address_cost): Declare.
3729 * loop.c (general_induction_var): Add new parameter "MODE", use
3730 address_cost instead of ADDRESS_COST
3731 (init_loop): Use address_cost instead of ADDRESS_COST.
3732 (check_insn_for_givs): Update call of general_induction_var.
3733 (find_mem_givs): Likewise.
3734 (consec_sets_giv): Likewise.
3735 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
3736 * i386.c (ix86_address_cost): New.
3737 * i386-protos.h (ix86_address_cost): Declare.
3739 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
3741 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
3744 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
3746 * expr.c (store_expr): Use clear_storage instead of direct memset
3749 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
3751 * config/mn10300/mn10300.c (mn10300_address_cost): Test
3752 ASHIFT, AND and LABEL_REF.
3754 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
3756 * invoke.texi (-foptimize-sibling-calls): Fix.
3758 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
3760 * loop.c (load_mems) Don't use hard registers for the hoisting.
3762 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
3763 calculation; rename const_equiv array in the preconditioning code
3764 from loop_unroll to loop_unroll_precondition
3766 2000-04-27 Richard Henderson <rth@cygnus.com>
3768 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
3770 (propagate_one_insn): Clear it. Don't update reg_live here.
3771 (init_propagate_block_info): Update for pbi member changes.
3772 (free_propagate_block_info): Likewise.
3773 (mark_set_1): Know that zero_extract, sign_extract, and
3774 strict_low_part don't kill their argument. Alter hard subregs.
3775 Update new_set for non-CLOBBER sets. Update reg_live.
3776 (find_auto_inc): Update reg_live, not new_dead.
3777 (mark_used_reg): Update reg_live, not new_live. Examine new_set
3778 to determine if the reg in question was set this insn. Only update
3779 reg info with PROP_REG_INFO.
3781 2000-04-26 Richard Henderson <rth@cygnus.com>
3783 * flow.c (allocate_reg_life_data): Set max_regno here ...
3784 (life_analysis): ... not here.
3786 * flow.c (calculate_global_regs_live): Force stack pointer
3789 2000-04-26 Richard Henderson <rth@cygnus.com>
3791 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
3792 commit change group changes.
3793 (invert_exp_1): Similarly.
3794 (redirect_exp, invert_exp): Use them.
3795 (redirect_jump_1): New.
3796 (invert_jump_1): New.
3797 (jump_optimize_1): Remove code subsumed by condexec.c.
3798 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
3800 2000-04-26 Richard Henderson <rth@cygnus.com>
3802 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
3804 * genconfig.c (main): Set all HAVE_foo to 1.
3806 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
3808 2000-04-26 Alex Samuel <samuel@codesourcery.com>
3810 * invoke.texi: Document -fssa flag.
3812 2000-04-26 Richard Henderson <rth@cygnus.com>
3814 * flow.c (count_reg_sets_1): Remove.
3815 (count_reg_sets, count_reg_references): Remove.
3816 (recompute_reg_usage): Implement with update_life_info.
3817 Reallocate life data.
3819 2000-04-26 Richard Henderson <rth@cygnus.com>
3821 * flow.c (update_life_info): Consider blocks null to mean the
3823 (calculate_global_regs_live): Likewise.
3824 (life_analysis): Do that instead of collecting all_blocks.
3826 2000-04-26 Richard Henderson <rth@cygnus.com>
3828 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
3829 a still-valid conditional jump.
3831 2000-04-26 Richard Henderson <rth@cygnus.com>
3833 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
3835 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
3836 * flow.c (calculate_loop_depth): Remove.
3837 * output.h (calculate_loop_depth): Don't declare.
3838 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
3839 inline; run estimate_probability at the same time.
3841 2000-04-26 Neil Booth <NeilB@earthling.net>
3843 * cpplib.h: "~=" is not a single pp-token.
3844 * cpplex.c: Correct commentary.
3846 2000-04-26 Richard Henderson <rth@cygnus.com>
3848 * flow.c (mark_set_1): New arguments code and flags; update all
3849 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
3850 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
3851 loop_depth when optimizing for size. Do new_dead update after
3852 emitting REG_UNUSED notes. Merge mark_set_reg code.
3853 (mark_set_reg): Remove.
3854 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
3855 arrange to not emit REG_UNUSED notes.
3857 2000-04-26 Richard Henderson <rth@cygnus.com>
3859 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
3860 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
3862 2000-04-26 Richard Henderson <rth@cygnus.com>
3864 * flow.c (propagate_one_insn): Break out from propagate_block.
3865 (init_propagate_block_info): Likewise.
3866 (free_propagate_block_info): Likewise.
3867 (propagate_block): Use them. Export.
3868 * basic-block.h: Declare them all.
3870 2000-04-26 Richard Henderson <rth@cygnus.com>
3872 * basic-block.h (life_analysis): Declare here ...
3873 * output.h: ... not here.
3874 * flow.c (life_analysis): Remove nregs parameter; replace
3875 remove_dead_code with flags. Remove ssa dead code check.
3876 Only init alias analysis if we'll use it.
3877 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
3878 * ssa.c (convert_to_ssa): Likewise.
3879 (convert_from_ssa): Likewise.
3880 * toplev.c (rest_of_compilation): Likewise.
3882 2000-04-26 Richard Henderson <rth@cygnus.com>
3884 * flow.c (flow_delete_block): Rename from delete_block. Export.
3885 * basic-block.h (flow_delete_block): Declare.
3887 2000-04-26 David S. Miller <davem@redhat.com>
3889 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
3890 taking a PATTERN of it.
3892 2000-04-26 <NeilB@earthling.net>
3894 * cpplex.c (spell_other, spell_char): Remove.
3896 (token_spelling, trigraph_map): Use unsigned chars.
3897 (_cpp_lex_line): Tidy up the switch statement.
3898 * cpplib.h: Implement spell_char with spell_string.
3901 2000-04-26 <RodneyBrown@pmsc.com>
3903 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3904 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3906 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3908 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
3909 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
3910 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
3911 dwarf2out_return_save, dwarf2out_return_reg,
3912 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
3913 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
3914 gen_compile_unit_die, dwarf2out_init): Constify a char*.
3916 * dwarf2out.h (dwarf2out_init): Likewise.
3918 * dwarfout.c (filename_entry, primary_filename, last_filename,
3919 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
3921 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
3922 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
3923 dwarf2out_return_reg): Likewise.
3925 2000-04-26 Andreas Jaeger <aj@suse.de>
3927 * extend.texi (Function Attributes): Fix description of pure
3930 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3932 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
3933 before calling rest_of_compilation.
3935 2000-04-26 Andreas Jaeger <aj@suse.de>
3937 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
3940 2000-04-25 Richard Henderson <rth@cygnus.com>
3942 * cse.c (cse_insn): Emit barrier after unconditional jump.
3944 * calls.c (expand_call): Disable tail call generation once
3945 rtx_equal_function_value_matters is false.
3947 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
3950 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
3952 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
3954 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
3956 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
3957 is the primary DIE for a member function.
3958 (gen_decl_die): Call set_decl_origin_self here.
3959 * dwarfout.c (output_decl): And here.
3960 * integrate.c (output_inline_function): Not here.
3961 Don't clear DECL_INLINE until after calling rest_of_compilation.
3962 (set_decl_origin_self): No longer static.
3963 * tree.h: Add prototype.
3964 * toplev.c (note_deferral_of_defined_inline_function): Only write
3965 out abstract instance for actual inlines.
3967 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
3969 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
3970 EXTENDED_REGS only if TARGET_AM33.
3971 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
3972 SP_REGS to register allocation and reloading unless absolutely
3974 (movsi3): Remove special-case of adding non-constants to SP.
3976 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3978 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
3979 INCLUDES to search and does not provide any of its own. Also it
3980 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
3981 parameters. Also it does not call AC_DEFINE.
3982 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
3983 AC_DEFINE and provides for automatic entries for autoheader.
3984 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
3986 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
3987 so we can pass -I flags and include gansidecl.h/system.h in this
3990 * acconfig.h: Delete all NEED_DECLARATION_* entries.
3992 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3994 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3995 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3996 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
3998 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3999 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4000 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
4001 for these macros. Clean up spacing and linewraps.
4003 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4005 * calls.c (expand_call): Use get_callee_fndecl.
4007 * print-tree.c (print_node): Print the chain of an _EXPR.
4009 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
4010 Jim Wilson <wilson@cygnus.com>
4011 Andrew Haley <aph@cygnus.com>
4013 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
4014 and gp save/restore problems.
4015 * config/ia64/crtend.asm: Add IA-64 unwind support.
4016 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
4017 in fr_pad_size calculation.
4018 (save_restore_insns): Move PR save area. Correct uses of
4019 RTX_FRAME_RELATED_P.
4020 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
4021 (ia64_expand_epilogue): Add eh_epilogue support.
4022 (ia64_function_prologue): Emit .prologue directive.
4023 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
4024 (ia64_override_options): Set init_machine_status and
4025 mark_machine_status.
4026 (rtx_needs_barrier): Handle bsp reads and writes.
4027 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
4028 New static variables.
4029 (process_set, process_for_unwind_directive): New functions.
4030 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
4031 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
4032 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
4034 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
4035 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
4036 (struct machine_function): Define.
4037 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
4039 2000-04-25 Bruce Korb <bkorb@gnu.org>
4041 * fixinc/Makefile.in: make the removal of old programs more
4043 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
4044 install-bin and install-sh
4046 2000-04-25 Nick Clifton <nickc@cygnus.com>
4048 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
4049 defined, define to return zero.
4050 (function_cannot_inline_p): If a function has any target
4051 specific attributes, then use the macro
4052 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
4053 whether it can be inlined. If it cannot, issue a suitable
4056 * tm.texi: Add a new node 'Inlining' to document the new macro
4057 FUNCTION_ATTRIBUTE_INLINABLE_P.
4059 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
4061 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
4064 2000-04-25 Neil Booth <NeilB@earthling.net>
4066 Restore previous patch, plus the following fixes:
4068 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
4069 flags, not CPP_OPEN_PAREN.
4070 * cpplex.c (expand_token_space, init_token_list,
4071 cpp_free_token_list): Put the dummy token at list->tokens[-1].
4072 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
4074 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4076 * config/i386/freebsd.h (INT_ASM_OP): Define.
4078 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
4080 * loop.c (strength_reduce): Fix typo in the last checkin.
4082 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4084 * stor-layout.c (finalize_record_size): Simplify to use existing
4086 (compute_record_mode): No longer static.
4087 * tree.h (compute_record_mode): New declaration.
4089 2000-04-25 Neil Booth <NeilB@earthling.net>
4091 * Revert my patch below until cause of build failures
4094 2000-04-25 Richard Henderson <rth@cygnus.com>
4096 * combine.c (combine_instructions): Add missing argument
4099 * toplev.c (rest_of_compilation): Delay sibcall optimization
4100 until after emit_eh_context.
4102 2000-04-24 Nick Clifton <nickc@redhat.com>
4104 * combine.c (combine_instructions): Do not try to combine a
4105 sequence of insns when the second insn has been replaced by a
4108 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
4110 * gcc.c (load_specs): New static function.
4111 (read_specs): Use it.
4113 * gcc.c (lookup_compiler): Make multiple passes for case
4114 insensitive filesystems.
4116 2000-04-24 Neil Booth <NeilB@earthling.net>
4118 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
4119 * cpphash.h (_cpp_check_directive): new.
4120 * cpplex.c (handle_newline, cpp_free_token_list,
4121 init_trigraph_map, trigraph_ok, trigraph_replace,
4122 backslash_start, skip_block_comment, skip_line_comment,
4123 skip_whitespace, parse_name, parse_number, parse_string,
4124 copy_comment, _cpp_lex_line, spell_char, spell_string,
4125 spell_comment, spell_name, spell_other, _cpp_lex_file,
4126 _cpp_output_list): new.
4127 (expand_name_space): take length argument.
4128 (init_token_list): add comment list initialisation.
4129 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
4130 instead of HSPACE_BEFORE.
4132 * cpplib.c (_cpp_check_directive): new
4133 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
4134 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
4135 (HSPACE_BEFORE): delete.
4136 (TTYPE_TABLE): rearrange.
4137 (struct cpp_toklist): update.
4139 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4141 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
4142 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
4143 argument form of AC_DEFINE.
4145 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
4146 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
4147 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
4148 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
4149 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
4151 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
4153 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4155 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
4156 deduced.h): Use -isystem, not -I, for including system headers.
4158 2000-04-24 Nick Clifton <nickc@cygnus.com>
4160 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
4161 the source register is the frame pointer or arg pointer.
4162 (addsi3_small_int): Disallow if source register is the frame
4163 pointer or arg pointer.
4165 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4167 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
4168 call to AC_MSG_RESULT.
4170 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4172 * invoke.texi: Correct grammatical errors, document
4173 -fno-gnu-keywords as identical to -fno-asm for C++.
4175 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4177 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
4178 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
4179 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
4180 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
4181 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
4183 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
4184 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
4185 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
4186 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
4189 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
4191 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
4192 (pop_alignment): Likewise.
4193 (handle_pragma_token): Likewise.
4195 2000-04-24 Robert Lipe <robertlipe@usa.net>
4197 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
4199 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
4201 * combine.c (try_combine): Update reg_nonzero_bits of
4202 newi2pat before newpat.
4204 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
4206 * loop.c (strength_reduce): Simplify test to INSN_P.
4207 (record_giv): Attempt to simplify the add value, use CONSTANT_P
4208 expressions instead of CONST_INT.
4209 (express_from_1): Likewise.
4211 2000-04-24 Mark Mitchell <mark@codesourcery.com>
4213 * regs.h (reg_n_max): Don't declare.
4214 * flow.c (reg_n_max): Don't define.
4215 * regclass.c (renumber): Don't initialize to zero.
4216 (regno_allocated): Likewise.
4217 (reg_n_max): Define.
4218 (allocate_reg_info): Don't initialize unnecessarily.
4220 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
4222 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
4223 and blockage_p in the newly allocated attribute.
4225 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
4227 * config/mn10300/mn10300.md (addsi): `inc4' on address
4228 registers does not modify cc, but `inc' on an extended
4231 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
4233 * reload.c (find_equiv_reg): Checks all valueno regs
4234 as a reload_reg_p regs.
4236 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4238 * cpphash.c (collect_objlike_expansion): Add sanity check.
4239 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
4240 the buffer is the empty string, return. Mark __DATE__ and
4241 __TIME__ as XCONST nodes, not MCONST.
4242 (_cpp_macroexpand): Avoid pushing an empty buffer.
4243 (funlike_macroexpand): Don't pop token_buffer here.
4245 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
4247 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
4248 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
4249 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
4250 (REGNO_OK_FOR_BASE_P): Define in terms of them.
4251 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
4252 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
4253 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
4255 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4257 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4260 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4262 * cpphash.h (struct definition): Move file, line, col members...
4263 (struct hashnode): ... here. Also add 'disabled' flag.
4264 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4265 T_IDENTITY. Remove T_DISABLED.
4268 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4269 (collect_expansion): Split into collect_objlike_expansion and
4270 collect_funlike_expansion.
4271 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4272 funlike_macroexpand.
4273 (_cpp_compare_defs): Rename compare_defs, make static.
4274 (_cpp_make_hashnode): Initialize hp->disabled.
4275 (macro_cleanup): Adjust for new token types. Clear
4277 (_cpp_create_definition): Move code here to determine what
4278 sort of macro it is, and code to check for redefinitions, from
4279 do_define. Implement a few simple cases without creating a
4281 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4282 Handle the simple cases.
4283 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4286 * cppinit.c (builtin_array): Change MCONST to XCONST
4288 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4289 fix check for disabled and function-like macros.
4290 * cpplib.c (do_define): Move most logic to
4291 _cpp_create_definition.
4292 (do_undef): Handle new special token types.
4294 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4296 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4297 of CONSTANT_P for mult_val; always use validate_change to update insn.
4299 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4301 * cpphash.c (trad_stringify, add_pat): New functions.
4302 (collect_expansion): Restore support for -traditional syntax.
4303 Use trad_stringify and add_pat.
4304 (_cpp_macroexpand): Restore support for -traditional semantics.
4305 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4306 get a COMMENT token.
4307 (_cpp_lex_token): Provide COMMENT tokens to caller if
4308 traditional and parsing_define_directive.
4309 (skip_comment): Warn about // comments if -Wtraditional.
4310 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4312 (do_undef): Don't warn about undefining EMPTY nodes.
4314 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4316 * loop.c (strength_reduce): Fix biv removal code.
4318 2000-04-22 Richard Henderson <rth@cygnus.com>
4320 * predict.c (estimate_probability): Examine both sides of
4321 a branch for no exits. Use 90% not 50% for predict taken.
4322 Reorg for one copy of note generation code.
4324 2000-04-22 Richard Henderson <rth@cygnus.com>
4326 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4328 2000-04-22 Richard Henderson <rth@cygnus.com>
4330 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4331 (output_clear): Likewise.
4332 (output_printf): Use va_copy.
4333 (vline_wrapper_message_with_location): Likewise.
4334 (v_message_with_decl): Likewise.
4335 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4336 * system.h (va_copy): Provide default implementation.
4338 2000-04-22 Richard Henderson <rth@cygnus.com>
4340 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4341 the collected condition is not a constant.
4343 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4345 * diagnostic.h: New file.
4347 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4349 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4350 various function prototypes.
4351 (diagnostic.h): #include.
4352 (struct output_buffer): Move into diagnostic.h.
4353 (get_output_prefix): Rename to output_get_prefix. Export.
4354 (init_output_buffer): Export. Break out. Ajust intialization.
4355 (output_space_left, output_append): Export.
4356 (output_newline): Rename to output_add_newline. Export.
4357 (output_clear): Nullify additional output_buffer fields.
4358 (output_puts): Rename to output_add_string. Export.
4359 (dump_output): Rename to output_flush_on. Export.
4360 (build_location_prefix): Constify return-type.
4361 (emit_output_prefix): Rename to output_emit_prefix. Export.
4362 (set_real_maximum_length): New function.
4363 (output_set_maximum_length): Ditto
4364 (output_clear): Ditto.
4365 (output_add_character): Ditto.
4366 (output_add_integer): Ditto.
4367 (output_add_space): Ditto.
4368 (output_format): Ditto.
4369 (output_printf): Adjust buffer initialization.
4370 (vline_wrapper_message_with_location): Ditto.
4371 (v_message_with_decl): Ditto. Adjust call to output_puts
4372 and get_output_prefix.
4373 (default_print_error_function): Adjust buffer intialization.
4375 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4377 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4380 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4382 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4385 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4387 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4388 accurate data about SP moves.
4390 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4392 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4393 aliases to AM33 registers.
4395 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4397 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4398 to all EXTENDED bitmaps.
4400 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4402 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4403 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4404 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4406 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4408 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4409 the operand is not constant.
4411 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4413 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4414 as a call-clobbered regs.
4416 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4418 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4420 * rtl.def: Update comment.
4421 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4422 * integrate.c (expand_inline_function): Likewise.
4423 * profile.c (branch_prob): Likewise.
4424 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4425 * print-rtl.c (print_rtx): Likewise.
4426 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4427 (reemit_notes): Likewise; also use enum insn_note.
4429 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4430 (place_field): Properly compute know and actual alignment.
4432 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4435 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4438 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4440 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4441 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4442 (collect_expansion): Rewrite to scan over a token list.
4443 Remove -traditional support.
4444 (collect_formal_parameters): Rename to collect_params; rewrite
4445 to scan over a token list.
4446 (_cpp_create_definition): Adjust to scan a token list.
4447 (_cpp_macroexpand): Remove -traditional support.
4448 (_cpp_compare_defs): Whitespace is now canonicalized.
4449 (comp_def_part): Delete function.
4451 * cpphash.h: Update prototypes.
4452 * cpplex.c (init_token_list): Don't set lineno if there is no
4454 (pedantic_whitespace): New function.
4455 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4456 consume a newline. Use pedantic_whitespace.
4457 (_cpp_lex_token): Remove support for -traditional macros.
4458 (_cpp_get_define_token): Delete.
4459 (_cpp_get_directive_token): Do the real work here. Use
4460 pedantic_whitespace.
4461 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4463 * cpplib.c (get_macro_name): Delete.
4464 (do_define): Read the entire line into pfile->directbuf, then
4465 feed the token list to _cpp_create_definition.
4466 * cpplib.h (HSPACE_BEFORE): new define.
4467 (struct cpp_reader): Add a toklist member, "directbuf".
4469 * predict.c (estimate_probability): New heuristic: if a jump
4470 branches around a block with no successors, predict it taken.
4471 Disentangle control flow.
4473 2000-04-20 Richard Henderson <rth@cygnus.com>
4475 * loop.c (emit_iv_add_mult): Revert last change.
4477 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4479 * cpplib.h (enum cpp_ttype): Add token types for all
4480 punctuators. Distinguish pp-numbers from valid C numbers.
4481 Give some tokens better names. Initialize from macro.
4482 (struct cpp_name, cpp_token, cpp_toklist): New data
4485 * cpplex.c (bump_column, expand_name_space,
4486 expand_token_space, init_token_list, cpp_output_list,
4487 _cpp_scan_line): New functions.
4488 (output_line_command): Add third argument, new line number.
4489 * cpphash.h: Update prototypes.
4490 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4493 2000-04-20 Richard Henderson <rth@cygnus.com>
4495 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4497 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4499 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4502 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4504 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4505 REG_EQUAL note explaining the calculated value.
4507 * calls.c (expand_call): Avoid unnecesary precalculation
4508 and outgoing parameters space guarding for sibling calls.
4509 (store_one_arg): Likewise.
4511 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4513 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4514 (rest_of_compilation): Write sibling dump file and account
4515 for time as jump time.
4516 * invoke.texi: Update documentation on dump flags.
4518 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4520 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4522 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4524 * cpphash.c (special_symbol): Represent an empty macro with
4525 "\r \r " not just "\r ".
4526 (_cpp_macroexpand): Correct condition for the foo ( ) special
4528 (unsafe_chars): Handle EOF as second argument.
4529 (push_macro_expansion): Simplify test for removing escape at
4530 end. Do not trim both escapes if there is no text in between.
4532 2000-04-19 Jim Blandy <jimb@redhat.com>
4534 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4535 of PTR_SIZE, when appropriate.
4537 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4539 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4540 (USE_ENUM_BITFIELDS): Fix typo.
4542 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4544 * stor-layout.c (place_field): Set rli->offset_align properly.
4546 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4548 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4549 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4550 PARM_BOUNDARY): Remove unnecessary casts.
4552 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4554 * calls.c (precompute_arguments): Remove must_preallocate and
4556 (expand_call): Update call of precompute_arguments.
4558 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4559 check_insn_for_givs): Break out from ...
4560 (strength_reduce) ... here; use for_every_insn_in_loop to call
4561 check_insn_for_givs.
4562 * loop.h (for_every_insn_in_loop): Declare.
4563 (loop_insn_callback): New type.
4565 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4567 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4570 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4572 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4575 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4577 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4579 * configure.in: Delete --disable-cpplib option and all
4580 references to cpp_main.
4581 * configure: Regenerate.
4582 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4583 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4584 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4585 cpp$(exeext). Add --no-headers to makeinfo command line when
4586 generating INSTALL. Install and uninstall cpp.1 manpage, not
4588 * install.texi: Delete all references to cexp.y/cexp.c.
4589 Delete ancient instructions for compiling GCC on 3b1.
4590 * INSTALL: Regenerate.
4592 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4593 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4594 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4596 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4597 which is no longer tested anywhere.
4599 * cppinit.c (handle_option): Don't run error message through
4602 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4604 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4605 * cpperror.c (hashtab.h): Now include.
4606 * cppexp.c (hashtab.h): Likewise.
4607 * cpplex.c (hashtab.h): Likewise.
4608 * cppfiles.c (hashtab.h): Likewise.
4609 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4610 to htab_find_slot_with_hash.
4611 * cpphash.c (hashtab.h): Now include.
4612 (_cpp_lookup_slot): INSERT is now enum insert_option.
4613 * cpphash.h (_cpp_lookup_slot): Likewise.
4614 * cppinit.c (hashtab.h): Include earlier.
4615 (initialize_builtins): Pass enum to htab_find_slot.
4616 * cpplib.c (hashtab.h): Now include.
4617 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4618 (do_pragma_poison, do_assert): Likewise.
4619 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4620 htab_find_slot_with_hash.
4621 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4622 * tree.c (type_hash_add): Likewise.
4623 (build1): Minor cleanup.
4625 * ggc-common.c: Add missing blanks.
4626 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4627 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4629 * stmt.c (mark_case_node): New function.
4630 (mark_case_nesting): Call it.
4632 * expmed.c (emit_store_flag): If comparing two-word integer
4633 with zero, can optimize NE, EQ, GE, and LT.
4635 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4636 * conflict.c: Minor cleanups.
4637 * optabs.c: Add blank line
4638 * simplify-rtx.c: Minor cleanups.
4640 2000-04-18 Stan Cox <scox@cygnus.com>
4642 * gengenrtl.c (genlegend): Fix misspelling.
4644 2000-04-18 Robert Lipe <robertlipe@usa.net>
4646 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4647 bitfields of the host compiler are not signed quantities.
4648 * config.in: Regenerate.
4649 * configure: Regenerate.
4650 * system.h (USE_ENUM_BITFIELDS): Added.
4651 (ENUM_BITFIELDS): Added.
4652 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4653 (SHORT_ENUM_BUG): Deleted.
4654 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4656 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4657 (CODE_FIELD_BUG): Likewise.
4658 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4660 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4662 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4664 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4667 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4669 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4670 * cpplib.c (do_include, do_import, do_include_next,
4671 read_line_number, detect_if_not_defined): Likewise.
4672 * cpphash.c (collect_expansion): Likewise.
4673 (special_symbol, _cpp_macroexpand): Check return from
4675 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4676 macros. Delete all uses.
4678 * gcc.dg/cpp-mi.c: Add two more test cases.
4679 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4681 2000-04-17 Richard Henderson <rth@cygnus.com>
4683 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4684 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4686 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4688 * function.c (expand_function_start): Use hard_function_value to
4689 compute the RTL to use for DECL_RESULT.
4691 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4693 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4694 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4695 x86_memory_mismatch_stall): New global variables.
4696 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4697 alloved; fix load penalties for Athlon.
4698 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4699 x86_memory_mismatch_stall): Declare.
4700 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4701 TARGET_MEMORY_MISMATCH_STALL): New.
4702 * i386.md (athlon scheduling parameters): Fix latencies according to
4703 Athlon Optimization Manual.
4704 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
4706 (fsqrt instruction patterns): Set athlon_decode to direct.
4707 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
4708 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
4709 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
4710 and TARGET_PARTIAL_REGISTER_STALL machines.
4711 (pushdf_nointeger): New pattern.
4712 (pushdf_integer): Rename from pushdf.
4713 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
4714 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
4716 2000-04-17 Richard Henderson <rth@cygnus.com>
4718 * loop.c (canonicalize_condition): Add WANT_REG argument.
4719 Stop the search if we match it.
4720 * expr.h (canonicalize_condition): Update decl.
4721 * predict.c (expected_value_to_br_prob): Use it. Track last
4722 expected value note.
4723 (find_expected_value): Remove.
4725 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
4727 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4729 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4730 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
4732 * configure.in: Call AC_FUNC_MMAP_FILE.
4733 * configure: Regenerate.
4734 * config.in: Regenerate.
4736 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
4737 * fixinc/fixincl.c: Likewise.
4739 2000-04-17 Richard Henderson <rth@cygnus.com>
4741 * builtins.c (expand_builtin_expect): New.
4742 (expand_builtin): Call it.
4743 * builtins.def (BUILT_IN_EXPECT): New.
4744 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
4745 * extend.texi: Document it.
4747 * predict.c (expected_value_to_br_prob): New.
4748 (find_expected_value): New.
4749 * basic-block.h (expected_value_to_br_prob): Declare.
4750 * toplev.c (rest_of_compilation): Invoke it.
4752 * rtl.h (NOTE_EXPECTED_VALUE): New.
4753 (NOTE_INSN_EXPECTED_VALUE): New.
4754 * rtl.c (note_insn_name): Update.
4755 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
4756 cases; handle NOTE_INSN_EXPECTED_VALUE.
4758 2000-04-17 Jakub Jelinek <jakub@redhat.com>
4760 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
4761 leaf sibcall delay slot if flag_pic.
4762 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
4764 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4766 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
4768 * fixproto: If fix-header fails, exit with an error.
4770 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4772 * cse.c (struct check_depdendence_data): New.
4773 (check_dependence): New function.
4774 (invalidate): Use check_depdenence.
4776 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4778 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
4779 UNITS_PER_WORD is unsigned.
4781 * tree.h (struct tree_common): Remove misleading comment.
4783 2000-04-16 Dave Pitts <dpitts@cozx.com>
4785 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
4786 message in quotes. Otherwise, IBM's make program treats the '#' as the
4787 start of a comment and ignores the remainder of the line.
4789 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
4791 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
4792 * cexp.y (initialize_random_junk): Likewise.
4793 * cppfiles.c (find_include_file): Cast alloca return value.
4794 * cppinit.c (initialize_standard_includes): Likewise.
4795 * cpplib.c (cpp_define, cpp_undef): Likewise.
4796 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
4797 * final.c (output_asm_insn): Allow for holes in EBCDIC.
4798 * fold-const.c (CHARMASK): New.
4799 (real_hex_to_f): Use it.
4800 * real.c (CHARMASK): New.
4801 (etoasc, asctoeg): Use it.
4802 (asctoeg): EBCDIC lower case characters preceed upper case.
4804 * i370.c (mvs_add_label): Change spacing for coding conventions.
4805 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
4806 outputing case vectors.
4807 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
4808 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
4809 since vector in in the data CSECT.
4810 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
4811 * i370.md (Many patterns): Put the length in the XL directives.
4812 (movdi): Put back STM and MVC in definition.
4813 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
4814 pattern using the TCA.
4815 * oe.h (CPP_SPEC): Added to allow trigraphs.
4816 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
4817 not support the "long long" type.
4819 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4821 * config/mips/mips-protos.h (mips_legitimate_address_p): New
4823 (mips_reg_mode_ok_for_base_p): Likewise.
4824 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
4825 (REG_OK_FOR_INDEX_P): Define unconditionally.
4826 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
4827 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
4828 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
4829 that GET_MODE_SIZE is unsigned.
4830 (mips_reg_mode_ok_for_base_p): Define.
4831 (mips_legitimate_address_p): Likewise. Adjust now
4832 that GET_MODE_SIZE is unsigned.
4833 (block_move_loop): Make the number of bytes unsigned.
4834 (expand_block_move): Likewise.
4835 (function_arg): Make the loop counter unsigned to match the
4838 2000-04-16 Richard Henderson <rth@cygnus.com>
4840 * rtl.h (enum insn_note): New enumeration. Subsume
4841 NOTE_INSN_DELETED and friends.
4842 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
4843 * rtl.c (note_insn_name): Tweak string order.
4845 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
4847 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
4850 * cpplex.c (output_line_command): Remove debugging prints.
4851 (cpp_output_tokens): Don't write out a zero-length buffer or
4852 try to see if it has a newline in it.
4853 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
4854 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
4855 the end of the loop. Use memmove. Don't read past the end of
4856 the buffer. Remove trailing newlines from error messages.
4858 2004-04-16 Neil Booth <NeilB@earthling.net>
4860 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
4861 * cpplib.c: Add new syntax flags to directive table, and
4864 2000-04-15 Ulrich Drepper <drepper@redhat.com>
4866 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
4869 2000-04-15 David Edelsohn <edelsohn@gnu.org>
4871 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
4872 * haifa-sched.c: Update -fsched-verbose comments to use "=".
4874 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4876 * Makefile.in (ggc-page.o): Now includes toplev.h.
4877 * ggc-page.c (toplev.h): Now included.
4878 (gc_time): Remove declaration.
4879 (ggc_collect): TIME now long.
4880 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
4882 * toplev.h (gc_time, parse_time, gc_time): New declarations.
4884 * toplev.c: Make *_time variable long to reduce chance of overflow.
4885 (TIMEVAR): Likewise for `otime'.
4886 (print_time): Arg is now long; compute percentage in FP and round.
4887 * toplev.h (print_time): Arg is long.
4889 * tree.c: Minor whitespace changes.
4891 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
4892 * configure: Rebuilt.
4893 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
4894 (__fixunsxfDI): Renamed from __fixunsxfdi.
4895 (__fixunsdfDI): Renamed from __fixunsdfdi.
4896 (__fixunssfDI): Renamed from __fixunssfdi.
4897 (__floatdisf): Use proper type in REP_BIT macro.
4898 (__fixunsxfSI): Renamed from __fixunsxfsi.
4899 (__fixunsdfSI): Renamed from __fixunsdfsi.
4900 (__fixunssfSI): Renamed from __fixunssfsi.
4901 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
4902 Change location of macros and upper-case some names as above.
4903 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
4904 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
4906 * varasm.c (assemble_variable): Add cast to remove warning.
4907 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
4909 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
4910 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
4911 region number to -1.
4913 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
4915 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
4916 call unshare_all_rtl.
4918 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
4920 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
4922 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
4923 Use .s1 not .s0 for all FP instructions.
4925 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
4927 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
4929 (safe_fwrite, output_line_command): New static functions.
4930 (cpp_expand_to_buffer): Now private to cpplib.
4931 (cpp_scan_buffer): Take a printer.
4933 * cpphash.h: Update prototypes.
4934 * cpplib.h: Update prototypes.
4936 (cpp_buffer): Remove last_nominal_fname.
4937 (cpp_reader): Remove lineno.
4939 * cppmain.c: Use a cpp_printer.
4940 * fix-header.c: No need to inhibit line commands. Call
4941 cpp_start_read with no printer.
4943 * cpperror.c (cpp_notice_from_errno): Provide default name.
4944 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
4945 (find_include_file, cpp_read_file): Use make_IHASH.
4946 (file_cleanup): Set control_macro and clear
4947 input_stack_listing_current here.
4948 (_cpp_execute_include): Don't output entering-file marker.
4949 * cpphash.c (special_symbol): Look for the line number in the
4950 buffer, not the reader.
4951 (_cpp_macroexpand): No need to disable line commands.
4952 (_cpp_dump_definition): No need to generate line commands.
4953 (dump_hash_helper): Remove excess newline from output.
4954 * cppinit.c (dump_special_to_buffer): No need to generate line
4956 (cpp_printer_init): New.
4957 (cpp_start_read): Take a printer, and start it up if it's not
4958 NULL. No need to generate line commands.
4959 (cpp_finish): Expect no buffers stacked at all. Take a
4960 printer argument, and flush the output buffer if it's not
4962 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
4963 Don't put two hashes at the beginning of an assertion.
4964 (cpp_get_token): Don't increment pfile->lineno or emit line
4965 commands here. Return EOF if there's no buffer when we get
4967 * cpplib.c (do_define, skip_if_group):
4968 No need to disable line commands.
4969 (_cpp_output_line_command): Delete function.
4970 (do_line): Don't emit line commands here, but set things up so
4971 they will be emitted if necessary. Use _cpp_fake_ihash to
4972 make unique nominal_fnames if necessary.
4973 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
4974 with 0 for column, not -1.
4975 (_cpp_handle_eof): Don't set the control macro here. Don't
4976 clear input_stack_listing_current here. Don't emit line
4979 2000-04-14 Geoff Keating <geoffk@cygnus.com>
4981 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
4982 always, use the default SVR4 start address.
4984 * config/rs6000/linux.h (LINK_SPEC): Don't define.
4985 (LINK_SHLIB_SPEC): Define.
4986 (LINK_START_DEFAULT_SPEC): Define.
4987 (LINK_OS_DEFAULT_SPEC): Define.
4989 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
4991 * config/rs6000/eabi.asm (__eabi): Call __init rather than
4992 __do_global_ctors to handle constructors.
4993 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
4994 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
4995 (STARTFILE_MVME_SPEC): Likewise.
4996 (STARTFILE_SIM_SPEC): Likewise.
4997 (ENDFILE_ADS_SPEC): Use crtend.
4998 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
4999 (ENDFILE_MVME_SPEC): Likewise.
5000 (ENDFILE_SIM_SPEC): Likewise.
5001 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
5002 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
5003 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
5004 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
5005 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
5006 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
5007 (CRTSTUFF_T_CFLAGS_S): Define.
5008 * config/rs6000/eabi-ctors.c: Delete.
5010 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
5013 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
5017 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
5019 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
5020 plus mask size is smaller or equal to the mode size.
5022 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5024 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
5027 * expr.c (reload.h): Now included.
5028 (emit_block_move): Set volatile_ok when checking for movstr.
5029 (emit_move_1): Check for replacements in addresses in multi-word case.
5030 * Makefile.in (expr.o): Now includes reload.h.
5032 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
5033 Never have a LIBCALL end a basic block.
5034 (find_basic_blocks_1): Likewise.
5035 Reorganize CALL_INSN cases.
5037 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
5039 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
5041 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
5042 completers from mov.ret instruction.
5044 2000-04-14 Richard Henderson <rth@cygnus.com>
5046 * fold-const.c (extract_muldiv): Don't distribute and widen
5047 multiply across plus for non-sizetype unsigned types.
5049 2000-04-14 Richard Henderson <rth@cygnus.com>
5051 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
5052 If the original source is dead in the incr insn, it's dead now.
5054 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5056 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
5057 see if DECL_BIT_FIELD needs to still be set.
5059 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
5061 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
5062 print_int_cst_octal with something that's not an INTEGER_CST.
5064 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
5065 and not a SUBREG to a FLOAT rtl.
5067 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
5069 * emit-rtl.c (try_split): Avoid infinite loop if the split
5070 results in a sequence that contains the original insn.
5072 2000-04-13 Andreas Jaeger <aj@suse.de>
5074 * config/mips/mips.c (expand_block_move): Pass alignment
5075 argument to move_by_pieces in bits, not bytes.
5077 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
5078 __pic__ for little endian.
5080 2000-04-13 Andreas Jaeger <aj@suse.de>
5082 * config/i386/i386-protos.h: Add prototype for
5083 uno_comparison_operator.
5085 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5087 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
5088 * calls.c (ECF_PURE): New flag.
5089 (emit_call_1): Handle ECF_PURE calls.
5090 (initialize_argument_information): Unset ECF_PURE flag too.
5091 (precompute_arguments): Precompute for ECF_PURE too.
5092 (expand_call): Handle ECF_PURE calls too.
5093 (emit_library_call_value_1): Rename no_queue argument to fn_type,
5094 accept value of 2 as pure function.
5095 (emit_library_call_value, emit_library_call): Rename no_queue argument
5097 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
5099 * tree.h (DECL_IS_PURE): New macro.
5100 (struct tree_decl): Add pure_flag.
5101 * c-common.c (enum attrs): Add attribute "pure".
5102 (init_attributes): Initialize attribute "pure"
5103 (decl_attributes): Handle attribute "pure".
5104 * extend.texi (Attribute "pure"): Document.
5105 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
5107 (flags_from_decl_or_type): Support attribute "pure".
5109 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
5111 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
5112 the token except for numbers and identifiers.
5114 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
5116 * i386.c (ix86_expand_binary_operator,
5117 ix86_expand_unary_operator): Check no_new_pseudos
5118 instead of reload_in_progress and reload_completed.
5119 (ix86_split_ashldi, ix86_split_ashrdi,
5120 ix86_split_lshrdi): Check no_new_pseudos instead
5121 of reload_completed.
5123 2000-04-12 Jeffrey A Law (law@cygnus.com)
5125 * function.c (purge_addressof): Unshare any shared rtl created by
5126 purge_addressof and its children.
5128 2000-04-12 Mark Mitchell <mark@codesourcery.com>
5130 * function.c (aggregate_value_p): VOID_TYPE nodes are never
5133 2000-04-05 Andreas Jaeger <aj@suse.de>
5135 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
5136 not compiling PIC code, add flags for mabi=64.
5137 (SUBTARGET_CPP_SIZE_SPEC): New.
5138 (SUBTARGET_CPP_SPEC): New.
5139 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
5140 for MIPS/Linux and lots of code needs these defines.
5142 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
5144 * reorg.c (fill_slots_from_thread): Check side_effects_p when
5145 trying the "opposite arithmetic" approach.
5147 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5149 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
5150 (struct sh_args): Add new field force_mem.
5151 (INIT_CUMULATIVE_ARGS): Initialize it.
5152 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
5154 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5156 * calls.c (expand_call): Do not reverse args in "equal from" field.
5157 (emit_library_call_value_1): Emit_libcall_block for const and pure
5160 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5162 * reload1.c (reload_combine): Don't enable optimization for fixed
5163 registers when encountering a BARRIER.
5165 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
5167 * builtins.c (expand_builtin_memcmp): Do expansion even with
5168 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
5170 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
5171 stack is propertly aligned; add sanity checking for aligned
5173 (expand_library_call_value_1): Add sanity checking for aligned
5176 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
5178 * calls.c (emit_library_call_value_1): Change 3rd arg to
5179 locate_and_pad_parm to disregard the setting of partial.
5181 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5183 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
5185 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
5186 CALL_INSN from the normal case.
5188 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
5190 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5191 New global variables.
5192 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
5194 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5196 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
5197 TARGET_ADD_ESP_8): New macros.
5198 * i386.md: Add peep2s to convert esp adjustments to push and pop
5200 (pushsi_prologue, popsi_epilogue): New patterns.
5202 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5204 * real.c (toe64): Remove stale #endif from the last change.
5206 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
5208 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
5209 * real.c (toe64): Revert previous change.
5211 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5213 * objc/objc-act.c: Include ggc.h.
5214 (objc_tree_index, objc_global_trees): Convert most of the
5215 static tree variables into a static array with previous names
5217 (objc_ellipsis_node): New variable.
5218 (lang_init): Call objc_act_parse_init and c_parse_init.
5219 Create objc_ellipsis_node.
5220 (build_selector_translation_table): Use objc_ellipsis_node instead
5222 (hack_method_prototype): Likewise.
5223 (get_arg_type_list): Likewise.
5224 (start_method_def): Likewise.
5225 (continue_method_def): Likewise.
5226 (gen_method_decl): Likewise.
5227 (ggc_mark_imp_list): New function.
5228 (ggc_mark_hash_table): New function.
5229 (objc_act_parse_init): New function.
5230 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
5231 * c-parse.in (c_parse_init): For objc add roots of objc specific
5232 local tree variables.
5233 * objc/objc-parse.y: Rebuilt.
5234 * objc/objc-parse.c: Rebuilt.
5235 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
5237 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
5239 * cse.c (delete_trivially_dead_insns): Also delete insns
5240 that copy a register to itself where the destination is
5243 2000-04-11 Richard Henderson <rth@cygnus.com>
5245 * flow.c (struct propagate_block_info): Add new_dead, new_live.
5246 (propagate_block): Initialize them. Use them in parallel instead
5247 of one tmp variable, ie revert much of the 0408 and 0407 functional
5248 changes, but keep the structural changes.
5249 (mark_set_regs): Take new_dead from propagate_block_info instead.
5250 (mark_set_1, mark_set_reg): Likewise.
5251 (mark_used_regs): Likewise with new_live.
5252 (mark_used_reg): Likewise. Revert 0408 change.
5254 2000-04-11 Nick Clifton <nickc@cygnus.com>
5256 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
5258 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5260 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5262 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5263 const section to output a CONSTRUCTOR based on the same conditions
5266 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5268 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5269 * pa/pa-protos.h (output_call): Add additional argument indicating
5270 if the call is a sibling/tail call.
5271 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5272 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5273 (function_arg, function_arg_partial_nregs): Likewise
5274 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5275 (emit_move_sequence): Zero extend certain constants as needed
5277 (compute_zdepdi_operands, output_64bit_and): New functions.
5278 (output_64bit_ior, function_arg): Likewise.
5279 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5280 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5281 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5282 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5283 (output_bvb): Likewise.
5284 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5285 (output_call): New argument 'sibcall'. Generate sibcall sequences
5287 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5288 (ouput_arg_descriptor): Do not emit argument descriptors for
5290 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5292 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5293 (FUNCTION_OK_FOR_SIBALL): Define.
5294 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5295 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5296 (CPP_SPEC): Use new spec infrastructure.
5297 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5298 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5299 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5300 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5301 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5302 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5303 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5304 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5305 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5306 (FUNCTION_ARG); Call out to C code.
5307 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5308 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5309 (MIN_UNITS_PER_WORD): Likewise.
5310 * pa/pa.md (cmpdi): New expander.
5311 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5312 (64bit conditional arithmetic): New patterns.
5313 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5314 (movsicc): Not available if modes on all the operands to not match.
5315 (movdicc): New expander and associated patterns.
5316 (64bit branches): New patterns.
5317 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5318 (pre_ldd, post_std): New patterns.
5319 (64bit addil, load low part): New patterns.
5320 (special movsf constant): Not available for TARGET_64BIT.
5321 (movsf, movdf expanders): Force constants into memory.
5322 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5323 (64bit movdf/movdi patterns): New patterns.
5324 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5326 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5327 (adddi3 expander): Allow "arith_operand" for second input.
5328 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5329 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5330 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5331 (muldi3): New expander for TARGET_64BIT.
5332 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5334 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5335 patterns for TARGET_64BIT.
5336 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5337 patterns for TARGET_64BIT.
5338 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5339 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5340 (sibcall_epilogue): New expander.
5341 (casesi): Tweak for TARGET_64BIT.
5342 (call expanders): Set & use the outgoing argument pointer. Use the
5343 64bit call patterns as needed. Add additional arg to output_call.
5344 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5345 (sibcall, sibcall_internal_symref): New expanders.
5346 (sibcall_value, sibcall_value_internal_symref
5347 (interspace_jump): Turn into an expander + matching patterns.
5348 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5349 * pa/pa64-regs.h: Eliminate trigraph sequences.
5350 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5352 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5354 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5355 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5356 cpp_token with cpp_ttype everywhere.
5357 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5358 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5359 CPP_BUF_COL. Line and column numbers are unsigned int, not
5361 * cpplex.c (cpp_buf_line_and_col): Delete.
5362 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5363 'long lineno' to 'unsigned int lineno'.
5364 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5366 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5368 * extend.texi: ISO C99 is not a draft anymore.
5369 * invoke.texi: ISO C++ is not a draft anymore.
5370 * cpp.texi: __cplusplus is required by the ISO standard.
5372 * extend.texi (-fthis-is-variable): Undocument.
5373 * flags.h (warn_template_debugging): Remove declaration.
5374 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5375 -Wenum-clash, -Wtemplate-debugging): Undocument.
5377 2000-04-10 Nick Clifton <nickc@cygnus.com>
5379 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5381 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5383 (ARM_SIGN_EXTEND): Use HOST_UINT.
5384 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5385 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5386 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5387 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5389 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5390 (arm_gen_constant): Use HOST_UINT.
5391 (arm_canonicalize_constant): Use HOST_UINT.
5392 (arm_reload_in_hi): Use HOST_UINT.
5393 (arm_reload_out_hi): Use HOST_UINT.
5394 (output_multi_immediate): Use HOST_UINT.
5395 (int_log2): Use HOST_UINT.
5396 (arm_poke_function_name): Use HOST_UINT.
5397 (arm_output_epilogue): Use arm_volatile_func().
5398 (output_thumb_prologue): Use arm_strip_name_encoding().
5400 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5402 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5403 of sequence point problems.
5405 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5407 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5409 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5411 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5413 * sbitmap.h: Whitespace changes and use upper-case macro args.
5414 (struct simple_bitmap_def): All sizes now unsigned.
5415 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5416 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5417 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5418 (sbitmap_zero): Cast bzero arg to PTR.
5419 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5420 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5421 loop to make structure clearer.
5422 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5423 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5424 (sbitmap_a_and_b_or_c): Likewise.
5425 (sbitmap_intersection_of_succs): Minor cleanups.
5426 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5427 (sbitmap_union_of_preds): Likewise.
5428 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5429 (debug_sbitmap): New function.
5431 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5432 * c-typeck.c (convert_for_assignment): Likewise.
5434 * expmed.c (init_expmed): Don't free objects we make.
5435 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5437 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5438 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5440 * gcse.c (expr_hash_table_size): Now unsigned.
5441 (compute_ae_gen): Local variable `i' now unsigned.
5442 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5443 (compute_transout, hoist_code): Likewise.
5444 (compute_local_properties): Likewise, also hash_table_size.
5445 (alloc_expr_hash_table): N_INSNS now unsigned.
5446 (delete_null_pointer_checks): Mark arg F as unused.
5448 * regrename.c: Minor cleanups, including chang some variables
5451 2000-04-10 Neil Booth <NeilB@earthling.net>
5453 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5455 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5457 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5459 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5460 __classof__, and __headof__ from the list of gnu keywords.
5461 (-ansi): Remove -foperator-names from list of implied options.
5462 Do not call it ANSI C++.
5463 (-foperator-names): Document as -fno-operator-names.
5465 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5467 * cpphash.c (timestamp): Delete.
5468 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5469 (special_symbol): Remove unnecessary braces. Remove
5470 T_VERSION. Treat T_STDC like T_CONST unless
5471 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5472 when one is encountered, then convert them into T_MCONST
5474 * cppinit.c (builtin_array): version_string is T_MCONST.
5475 __STDC__ has a "1" in its cpval. Don't have a terminator
5476 entry. Clean up which entries are dumped.
5477 (initialize_builtins): Only __STDC__ gets the special
5478 -traditional treatment. Count the length of builtin_array.
5479 Render version_string here.
5480 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5481 * cpplib.h (struct cpp_reader): Remove timebuf.
5483 2000-04-09 Richard Henderson <rth@cygnus.com>
5485 * genrecog.c (pred): Update comparison_operator for the unordered
5488 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5490 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5491 (uno_comparison_operator): New.
5492 (put_condition_code): Handle UNORDERED/ORDERED.
5493 (unsigned_comparison): Likewise.
5494 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5495 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5496 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5497 update all callers. Handle all 8 unordered operators.
5498 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5499 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5500 * config/i386/i386.h (PREDICATE_CODES): Update.
5501 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5502 (ix86_expand_branch, ix86_expand_setcc): Update.
5503 * config/i386/i386.md (sunordered, sordered): New.
5504 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5505 (bunordered, bordered): New.
5506 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5507 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5508 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5510 2000-04-09 Philip Blundell <philb@gnu.org>
5512 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5514 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5516 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5517 fix_truncxfhi2): New patterns.
5518 * i386.c (output_fix_trunc): Handle converting to HImode.
5520 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5522 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5524 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5525 (for_each_successor_phi): Change parameter to basic_block.
5526 (coalesce_regs_in_successor_phi_nodes): Likewise.
5527 (coalesce_regs_in_copies): Likewise.
5528 (compute_coalesced_reg_partition): Use basic_block instead of index.
5529 * rtl.h (convert_to_ssa): Delete.
5530 (convert_from_ssa): Likewise.
5531 (successor_phi_fn): Likewise.
5532 (for_each_successor_phi): Likewise.
5533 (in_ssa_form): Likewise.
5534 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5535 (convert_from_ssa): Likewise.
5536 (successor_phi_fn): Likewise.
5537 (in_ssa_form): Likewise.
5538 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5539 * flow.c (calculate_global_regs_live): Pass a basic_block to
5540 for_each_successor_phi.
5542 2000-04-08 Richard Henderson <rth@cygnus.com>
5544 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5545 was modified in the current insn.
5547 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5549 * arm/thumb.md: Delete.
5550 * arm/thumb-protos.h: Delete.
5552 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5554 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5556 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5558 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5561 * arm.md (nop): Use the standard RTL expression. Don't code as a
5563 (*arm_nop, *thumb_nop): Delete.
5565 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5566 constants. Use casts instead.
5567 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5568 output_multi_immediate, arm_poke_function_name): Likewise.
5569 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5570 MASK_RETURN_ADDDR): Likewise.
5572 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5574 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5577 * arm.md (eh_epilogue): New function.
5578 * arm.h (struct machine_function): Move to here ...
5579 * arm.c: ... from here.
5580 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5581 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5582 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5584 2000-03-30 Nick Clifton <nickc@cygnus.com>
5586 * config/arm/semi.h (ASM_SPEC): Restore definition.
5587 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5589 * config/arm/elf.h (ASM_SPEC): Restore definition.
5590 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5592 * config/arm/arm.h (ASM_SPEC): Remove definition.
5593 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5595 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5597 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5599 2000-03-24 Nick Clifton <nickc@cygnus.com>
5601 Various formating tidyups, elimination of compile time
5602 warnings and synchronisation with internal sources:
5604 * config/arm/arm-protos.h (assemble_align): Add prototype.
5605 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5606 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5607 (arm_return_addr_rtx): Rename to arm_return_addr.
5609 * config/arm/arm.c: Include except.h.
5610 Define shorter typenames for strict minipool_node and struct
5612 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5614 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5615 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5617 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5619 (ASM_SPEC): Define if not already defined.
5620 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5622 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5623 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5624 arm_gen_compare_reg.
5625 (indirect_jump): Only accept register operands.
5626 (load_indirect_jump): Keep this pattern since combine can generate
5629 * config/arm/coff.h: Include aout.h.
5630 (MULTILIB_DEFAULTS): Only define if not already defined.
5632 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5633 into arm.h (so that COFF ports can support thumb based aliases).
5634 (ASM_SPEC): Move definition into arm.h
5636 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5637 redundant apcs spec.
5638 (ASM_SPEC): Move definition to arm.h
5640 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5642 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5643 for entries in the .bss section
5645 2000-03-23 Nick Clifton <nickc@cygnus.com>
5647 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5648 to thumb_far_jump_used_p.
5650 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5651 single integer parameter.
5653 * config/arm/arm.c (struct machine_function): Add two new
5654 fields, 'far_jump_used' and 'arg_pointer_live'.
5655 (thumb_far_jump_used_p): Once the decision has been made that
5656 far jumps might be used, always return true.
5657 If being called from the initial elimination offset macro then
5658 do not bother to perform the test if the arg pointer is not
5660 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5661 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5663 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5665 * arm.c (output_return_instruction): Handle more cases where we can
5666 return from a function with an ldr instruction.
5667 (arm_output_epilogue): Likewise.
5669 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5670 if we need to push a large stack frame and there are no callee-saved
5673 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5674 in ARM code if the frame pointer has been eliminated.
5676 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5677 unspec_volatile arguments to avoid duplicates.
5678 (consttable_1, consttable_2): Fixes for big-endian mode.
5680 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5683 Re-write constant pool code.
5684 * arm.c (minipool_node, minipool_fix): New types.
5685 (minifix): Delete type.
5686 (arm_add_minipool_constant): Delete.
5687 (arm_compute_minipool_offsets, arm_find_barrier,
5688 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5689 (get_jump_table_size): Now returns HOST_WIDE_INT.
5690 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5692 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5693 (assign_minipool_offsets, arm_print_value): Likewise.
5694 (dump_minipool): Rewrite.
5695 (arm_barrier_cost): New function.
5696 (create_fix_barrier): New function.
5697 (push_minipool_barrier): New function.
5698 (push_minipool_fix): Record additional information about the fixup
5700 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5701 check the mode of what needs fixing.
5702 (arm_reorg): Rewrite.
5704 2000-03-08 Nick Clifton <nickc@cygnus.com>
5706 * config/arm/arm.md (indirect_jump): Force constant addresses into
5709 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
5711 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
5713 2000-02-24 Nick Clifton <nickc@cygnus.com>
5715 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
5716 adjust is word aligned.
5717 (thumb_expand_epilogue): Make sure that stack adjust is word
5720 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
5722 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
5724 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
5725 pointer relative addresses.
5727 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
5729 * arm.c (find_barrier): Find the last barrier within the allowed
5732 2000-02-09 Nick Clifton <nickc@cygnus.com>
5734 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
5736 2000-02-09 Nick Clifton <nickc@cygnus.com>
5738 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
5739 ARM_FUNCTION_PROFILER.
5741 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
5742 ARM_FUNCTION_PROFILER.
5744 * config/arm/linux-oldld.h: Imported from mainline sources.
5746 2000-02-07 Nick Clifton <nickc@cygnus.com>
5748 * config/arm/lib1funcs.asm: Merge in thumb functions from
5751 * config/arm/lib1thumb.asm: Delete.
5753 2000-02-04 Nick Clifton <nickc@cygnus.com>
5755 * config/arm/arm.c: Sychronised with current Red hat local
5757 * config/arm/arm.h: Ditto.
5758 * config/arm/arm-protos.h: Ditto.
5760 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
5762 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
5764 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
5767 2000-02-02 Nick Clifton <nickc@cygnus.com>
5769 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
5771 * config/arm/arm.md (epilogue): Fix rtl checking abort because
5772 (return) was emited using an emit_insn() call.
5774 2000-01-31 Nick Clifton <nickc@cygnus.com>
5776 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
5778 (thumb_exit): Move frame pointer back into hard frame pointer
5779 register if backtracing is being used.
5781 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
5783 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
5786 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
5788 * config/arm/arm.md (neg_pool_offset): Provide default for new
5790 (arm_movsi_insn): Add neg_pool_offset attribute.
5791 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
5792 rtx for the insn that starts the scan and an unsigned long for its
5793 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
5794 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
5795 instructions in *PINSERTED.
5796 (struct minipool_fixup): Add MIN_ADDRESS elt.
5797 (sort_fixups): Compute it.
5798 (arm_reorg): Changes to support inserting pools before the insn to be
5801 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5803 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
5804 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
5805 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
5807 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
5809 * config/arm/semi.h (TARGET_VERSION): Do not define if already
5811 (TARGET_DEFAULT): Do not define if already defined.
5813 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
5815 * config/arm/arm.md (anddi3): Allow disjoint source operands.
5816 (iordi3): Allow disjoint source operands.
5817 (xordi3): Allow disjoint source operands.
5818 (negdi2): Permit construction for ARM and Thumb.
5819 (arm_negdi2): Renamed version of old negdi2 pattern.
5820 (thumb_negdi2): New pattern: Only permit non-overlapping
5821 source and destination.
5823 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
5825 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
5826 scratch low register so that it will not be deleted.
5828 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
5830 * config/arm/pe.h (ARM_PE): Define.
5832 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
5833 interfacearm attribute if this is a PE toolchain.
5834 (output_return_instruction): Do not emit anything if the function
5835 has the naked attribute set.
5836 (is_called_in_ARM_mode): If the function has the interfacearm
5837 attribute then return true.
5838 (thumb_expand_prologue): Do not generate a prologue for naked
5840 (thumb_expand_epilogue): Do not generate an epilogie for a naked
5842 (output_thumb_prologue): Do not bother if the function is naked.
5843 Strip PE encoding from function name before emitting.
5845 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
5847 * arm.md (pic_load_addr): Fix constraints.
5849 * arm.md (casesi_insn): Fix mis-applied patch.
5851 * arm.md ("core" function unit): Add rules for single- and
5853 (All TARGET_THUMB patterns): Add "type" attribute information
5855 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
5856 the following insn is a CALL.
5858 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
5860 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
5861 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
5862 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
5864 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
5866 * config/arm/linux-gas.h: oops - this file was missed out when the
5867 branch was created...
5869 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
5871 * thumb.c: Deleted. Move contents to ...
5873 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
5875 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
5878 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
5879 declare a prototype for asm_output_align();
5881 * arm.c (thumb_condition_code): Delete.
5882 (arm_print_operand): Always use arm_condition_code array.
5884 * arm.c (thumb_return_addr_rtx): Delete.
5885 (arm_save_machine_status, arm_restore_machine_status): Delete.
5886 (arm_init_machine_status, arm_mark_machine_status): New functions.
5887 (arm_init_expanders): Update accordingly.
5888 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
5889 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
5890 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
5892 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
5894 * configure.in : Fix arm-*-aout target to use new t-arm-aout
5896 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
5899 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
5901 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
5902 stack backtrace structure.
5904 * config/arm/arm-protos.h: Add prototypes for functions defined in
5907 * config/arm/arm.c (arm_override_options): Fix selection of
5908 attributes of default processor.
5910 * config/arm/coff.h: Delete needless #include.
5912 * config/arm/pe.c: Delete unused code.
5914 * config/arm/pe.h (CPP_DEFINES): Delete
5915 (SUBTARGET_CPP_SPEC): Define.
5916 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
5918 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
5920 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
5922 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
5924 (CAN_DEBUG_WITHOUT_FP): Define.
5925 (FIXED_REGISTERS): Make r11 call-saved.
5926 (CALL_USED_REGISTERS): Likewise.
5927 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
5928 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
5929 frame-pointer is required.
5930 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
5931 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
5932 if the target normally needs a stack frame in non-leaf functions.
5933 (use_return_insn): Correct logic for determining when a return
5934 instruction can be used.
5935 (output_return_instruction): Handle the frame-pointer register as
5936 a normal register when not TARGET_APCS_FRAME.
5937 (arm_output_prologue): Likewise.
5938 (arm_output_epilogue): Likewise.
5939 (output_func_epilogue): Likewise.
5940 (arm_expand_prologue): Likewise.
5941 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
5943 * arm.c (use_return_insn): No need to check floating point regs if
5945 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
5946 the code of value stored in the minipool array.
5947 (arm_add_minipool_constant): Likewise.
5949 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5951 * basic-block.h (conflict_graph_enum_fn): K&R fix.
5953 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5955 * tree.c (tree_expr_nonnegative_p): New function.
5957 * tree.h (tree_expr_nonnegative_p): Declare.
5959 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
5960 elide some sign_compare warnings.
5961 (build_conditional_expr): Likewise.
5963 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
5965 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
5967 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
5968 * i386.c (print_operand): Use the proper suffix for a 387 HImode
5969 operand. Abort if a 387 operand has an unsupported size.
5971 2000-04-08 Neil Booth <NeilB@earthling.net>
5973 * cppexp.c (parse_charconst): Null does not end character
5975 * cppinit.c (ISTABLE): Null character handled as whitespace.
5976 * cpplex.c (null_warning): new function.
5977 (skip_string): Emit warning if nulls encountered.
5978 (_cpp_skip_hspace): Emit warning if nulls encountered.
5979 (_cpp_lex_token): Emit warning if nulls encountered. Drop
5983 2000-04-07 Richard Henderson <rth@cygnus.com>
5985 * flow.c (loop_depth): Remove.
5986 (reg_next_use, cc0_live, mem_set_list): Replace with ...
5987 (struct propagate_block_info): New.
5988 (life_analysis): Don't allocate reg_next_use.
5989 (propagate_block_delete_insn): Break out of propagate_block.
5990 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
5991 (propagate_block_delete_libcall): Likewise.
5992 (propagate_block): Create a propagate_block_info struct to pass
5993 to subroutines. Allocate one not two temporary regsets. Don't
5994 clobber memory for const calls. Look for clobbers in
5995 CALL_INSN_FUNCTION_USAGE.
5996 (mark_set_regs): Recognize COND_EXEC.
5997 (mark_set_reg): Break out of mark_set_1.
5998 (mark_used_reg): Break out of mark_used_regs.
5999 (mark_used_regs): Recognize COND_EXEC.
6000 (insn_dead_p): Use propagate_block_info struct.
6001 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
6002 (find_auto_inc, try_pre_increment_1): Likewise.
6003 (print_rtl_with_bb): Dump regs live at end too.
6004 (count_reg_sets_1): Pass in loop_depth.
6005 (count_reg_sets, count_reg_references): Likewise.
6006 (recompute_reg_usage): Provide it.
6008 2000-04-07 Richard Henderson <rth@cygnus.com>
6010 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
6013 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
6015 * cpplib.c (do_elif): Skip the rest of the line if we're
6016 not going to bother evaluating it.
6017 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
6018 to avoid pointless calls to the lexer.
6020 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
6022 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
6024 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
6026 * calls.c (expand_call): emit_queue if we're trying a sibcall.
6028 2000-04-07 Jakub Jelinek <jakub@redhat.com>
6030 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
6032 2000-04-06 Geoff Keating <geoffk@cygnus.com>
6034 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
6035 crtend so they can be multilibbed.
6036 (STAGESTUFF): Remove s-crt and s-crtS.
6038 2000-04-07 Richard Henderson <rth@cygnus.com>
6040 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
6041 if we discover we need a pseudo and no_new_pseudos is true.
6042 * config/alpha/alpha.md (ne:DI insn): New.
6043 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
6045 2000-04-07 Richard Henderson <rth@cygnus.com>
6047 * rtl.def (COND_EXEC): New.
6048 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
6049 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
6051 * genconfig.c (have_cond_arith_flag): Remove.
6052 (have_cond_exec_flag): New.
6053 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
6054 (main): Print HAVE_conditional_execution.
6056 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
6057 (sched_analyze_insn, print_pattern): Likewise.
6058 * reload.c (find_equiv_reg): Likewise.
6059 * rtlanal.c (reg_referenced_p): Likewise.
6060 (note_stores, dead_or_set_regno_p): Likewise.
6061 (reg_overlap_mentioned_p): Rewrite to use a switch.
6063 * ggc.h (struct rtx_def): Forward declare.
6065 * print-rtl.c (debug_rtx_range): New.
6066 * rtl.h (debug_rtx_range): Declare.
6068 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
6070 * gcse.c (gcse_main): Don't rebuild the CFG here.
6071 (delete_null_pointer_checks): Likewise.
6072 * ssa.c (convert_to_ssa): Likewise.
6073 * toplev.c (rest_of_compilation): Do it here instead. Combine
6074 sequential calls to TIMEVAR. Consistently use `insns' instead of
6075 `get_insns()'. Always split insns after reload when optimizing.
6077 * basic-block.h (merge_blocks_nomove): Declare.
6078 (tidy_fallthru_edge): Declare.
6079 * flow.c (merge_blocks_nomove): Document as merging into previous
6080 blocks. Remove cruft from between blocks; remove all edges out of A.
6081 (tidy_fallthru_edge): Export.
6083 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6085 * ssa.c (compute_conservative_reg_partition): Declare with
6087 * toplev.c (clean_dump_file): Remove previously-deleted function
6088 inadvertantly merged back in.
6089 * conflict.c (conflict_graph_add): Use a single call to
6090 htab_find_slot to look up and insert.
6092 2000-04-06 Richard Henderson <rth@cygnus.com>
6094 * genrecog.c (*): Rename _last_insn to last_insn.
6095 (make_insn_sequence): Set the position of the peephole2 C test
6096 to be at the last insn.
6098 2000-04-06 Richard Henderson <rth@cygnus.com>
6100 * flow.c (compute_flow_dominators): Free worklist.
6102 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
6104 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
6106 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6108 * rtl.h (INSN_P): New macro.
6109 (successor_phi_fn): New typedef.
6110 (for_each_successor_phi): New prototype.
6111 (in_ssa_form): New variable.
6112 (PHI_NODE_P): Likewise.
6113 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
6114 phi nodes in successors.
6115 (mark_used_regs): Add PHI case.
6116 (set_phi_alternative_reg): New function.
6117 (life_analysis): Assert that dead code elimination is not selected
6119 * toplev.c (to_ssa_time): New variable.
6120 (from_ssa_time): Likewise.
6121 (compile_file): Zero to_ssa_time and from_ssa_time.
6122 Print time to convert to and from SSA.
6123 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
6124 (print_time): Compute percent fraction as integer.
6125 * ssa.c (PHI_NODE_P): Moved to rtl.h.
6126 (convert_to_ssa): Check if we're already in SSA.
6127 Don't eliminate dead code in life_analysis.
6128 Rerun flow and life analysis at bottom.
6129 (eliminate_phi): Use canonical regnos when adding nodes.
6130 (mark_reg_in_phi): New function.
6131 (mark_phi_and_copy_regs): Likewise.
6132 (convert_from_ssa): Rerun life analysis at top.
6133 Use coalesced partition.
6134 Check for removing a phi node at the end of the block.
6135 (compute_coalesced_reg_partition): New function.
6136 (coalesce_regs_in_copies): Likewise.
6137 (coalesce_reg_in_phi): Likewise.
6138 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
6139 (for_each_successor_phi): Likewise.
6140 (rename_context): New struct.
6141 (rename_block): Use a rename_context with rename_insn_1. When
6142 renaming sets of a subreg, emit a copy of the entire reg first.
6143 (rename_insn_1): Treat data as a rename_context *. Save current
6145 (rename_set_data): Add field set_insn.
6146 * Makefile.in (HASHTAB_H): Move up in file.
6147 (OBSTACK_H): New macro.
6148 (collect2.o): Use OBSTACK_H in dependencies.
6149 (sdbout.o): Likewise.
6150 (emit-rtl.o): Likewise.
6151 (simplify-rtx.o): Likewise.
6152 (fix-header.o): Likewise.
6153 (OBJS): Add conflict.o.
6154 (conflict.o): New rule.
6155 * basic-block.h: Include partition.h.
6156 (conflict_graph): New typedef.
6157 (conflict_graph_enum_fn): Likewise.
6158 (conflict_graph_new): New prototype.
6159 (conflict_graph_delete): Likewise.
6160 (conflict_graph_add): Likewise.
6161 (conflict_graph_conflict_p): Likewise.
6162 (conflict_graph_enum): Likewise.
6163 (conflict_graph_merge_regs): Likewise.
6164 (conflict_graph_print): Likewise.
6165 (conflict_graph_compute): Likewise.
6166 * conflict.c: New file.
6168 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
6170 * tlink.c (read_repo_files): Don't look for .rpo info for
6173 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6175 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
6177 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6179 * config/sh/lib1funcs.asm (___udivsi3_i4):
6180 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
6181 only depends on FMOVD_WORKS.
6183 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6185 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
6186 make double constant 8-byte aligned.
6188 2000-04-06 Jakub Jelinek <jakub@redhat.com>
6190 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
6191 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
6192 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
6193 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
6194 Accept storing GENERAL_REGS into offsetable memory.
6195 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
6196 building a TFmode constant other than 0.0L into GENERAL_REGS.
6198 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
6200 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
6202 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
6204 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
6205 (macro_cleanup): No need to cast pbuf->macro.
6206 (collect_expansion): Use _cpp_get_define_token. Goto done if
6207 it returns VSPACE. Remove check for trailing space after
6209 (_cpp_create_definition): Don't diddle flags here. Return
6211 (unsafe_chars): Handle c1 being EOF.
6212 (push_macro_expansion): Use unsafe_chars for both accidental-paste
6213 checks. Don't push the buffer till after we're done with
6215 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
6216 (PEEKN, FORWARD, GETC, PEEKC): Use them.
6217 (cpp_push_buffer): Don't set new->alimit. Set new->mark
6219 (_cpp_parse_assertion): Don't NUL terminate.
6220 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
6221 hspace before calling _cpp_parse_assertion. Remove all sets
6222 of only_seen_white. Treat '\f' as hspace. Don't do anything
6223 special with '\n' here.
6224 (maybe_macroexpand): Handle T_EMPTY hash entries without
6225 pushing a buffer at all.
6226 (cpp_get_token): Handle clearing only_seen_white here. Handle
6227 incrementing the line number here. Clear
6228 potential_control_macro as well as only_seen_white, if
6230 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
6231 (_cpp_get_define_token): New function, basically like
6232 _cpp_get_directive_token was but doesn't eat horizontal space.
6233 Don't do anything with only_seen_white here.
6234 (_cpp_get_directive_token): Just call _cpp_get_define_token
6235 repeatedly till it returns non-hspace.
6237 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
6238 (conditional_skip, skip_if_group): Return int.
6239 (DIRECTIVE_TABLE): Change origin of all conditional directives
6241 (TRAD_DIRECT_P): New macro.
6242 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
6243 an error for a bogus directive, unless -lang-asm. Use
6244 TRAD_DIRECT_P. Loop calling handler functions till one returns
6246 (get_macro_name): Don't diddle flags here.
6247 (do_define): Diddle flags here. Use _cpp_get_directive_token.
6248 Create T_EMPTY nodes for #define macro /* nothing */.
6249 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
6250 Use hp->name when calling pass_thru_directive.
6251 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
6252 Return the result of conditional_skip and/or skip_if_group.
6253 Don't call _cpp_output_line_command.
6254 (consider_directive_while_skipping): Use _cpp_get_directive_token.
6255 Issue -Wtraditional warnings as appropriate. Don't complain
6256 about unrecognized directives. If we are to stop skipping,
6257 return the number of the directive that ended the skip.
6258 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6259 expansion and line commands while skipping. Return the result
6260 of consider_directive_while_skipping, if nonzero.
6261 (do_endif): Just set potential_control_macro here.
6262 (validate_else): Use _cpp_get_directive_token.
6263 (do_assert, do_unassert): Don't save pointers into the
6264 token_buffer across calls to the lexer. Use
6265 _cpp_get_directive_token.
6267 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6268 pointer, not an offset. Replace 'data', which was a generic
6269 pointer, with 'macro', which points to a struct hashnode.
6270 (cpp_reader): Add 'potential_control_macro' pointer.
6271 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6272 (CPP_BUF_GET, CPP_FORWARD): Delete.
6273 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6274 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6275 ACTIVE_MARK_P): Update.
6276 (_cpp_get_define_token): New internal function.
6277 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6279 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6281 * configure.in: And here.
6282 * configure: Regenerate.
6283 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6284 --enable-libstdcxx-v3 is passed at configure time.
6285 * config.h.in: Regenerate.
6287 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6289 * final.c (final): Use xcalloc to allocate line_note_exists.
6290 * function.c (free_after_compilation): Free the temp_slots.
6291 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6292 (combine_temp_slot): Free temp_slots when they get combined.
6293 (purge_addressof): Fix typo in comment.
6294 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6295 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6297 * ggc.h: Include varray.h.
6298 (ggc_pending_trees): Declare.
6299 (ggc_mark_tree_children): Remove declaration.
6300 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6301 * ggc-common.c (ggc_pending_trees): New variable.
6302 (ggc_mark_roots): Call ggc_mark_trees.
6303 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6304 the ggc_pending_trees.
6305 * Makefile.in (GGC_H): New variable. Use it throughout in place
6308 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6310 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6313 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6315 * sh.c (sh_insn_length_adjustment): New function.
6316 * sh-protos.h (sh_insn_length_adjustment): Declare.
6317 * sh.h (ADJUST_INSN_LENGTH): Use it.
6319 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6321 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6322 from the insn where REG_RETVAL is added.
6323 (emit_no_conflict_block): Ditto.
6325 * md.texi (Standard Names): Clarify when movX is needed.
6327 * combine.c (simplify_comparison) [MINUS]: Do not replace
6328 all (op (minus A B) 0) with (op A B).
6330 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6331 J"orn Rennecke <amylaar@cygnus.co.uk>
6333 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6334 (block_lump_real): Likewise.
6336 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6338 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6339 remaining non-zero debugging masks.
6341 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6343 * basic-block.h (verify_flow_info): Declare.
6344 (flow_loop_outside_edge_p): Declare.
6345 * flow.c (verify_flow_info): Remove declaration.
6346 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6348 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6350 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6353 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6355 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6356 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6357 seqdi_zero_trunc+1): Allow splits only if registers are
6360 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6362 * acconfig.h: Add HAVE_GAS_HIDDEN.
6363 * config.in: Regenerated.
6364 * configure.in: Add test for .hidden pseudo-op in gas.
6365 * configure: Regenerated.
6366 * crtstuff.c: Include auto-host.h.
6367 Emit additional .hidden pseudo-op for __dso_handle if the
6368 assembler knows about it.
6370 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6372 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6373 before freeing argnames.
6374 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6376 2000-04-05 Michael Meissner <meissner@redhat.com>
6378 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6379 Walton <jonboy@gordian.com> to make memory references with update
6380 work wtih -mregnames.
6382 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6384 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6385 (regrename_optimize): Rename variables `def_uses' and
6386 `ext_basic_blocks' to avoid conflicts with similarly named
6387 typedefs in traditional C.
6389 * calls.c (initialize_argument_information): Fix typo in previous
6392 2000-04-04 Richard Henderson <rth@cygnus.com>
6394 * regrename.c (consider_available): Test fixed_regs not
6395 PIC_OFFSET_TABLE_REGNUM.
6397 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6399 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6401 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6402 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6403 (ENDFILE_LINUX_SPEC): Always use crtend.
6404 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6405 (powerpc-*-linux-gnu): Likewise.
6406 * configure: Regenerate.
6408 * config/rs6000/eabi.h: Don't include sysv4.h.
6409 (MULTILIB_DEFAULTS): Don't define.
6410 * config/rs6000/eabiaix.h: Don't include eabi.h.
6411 * config/rs6000/eabile.h: Delete.
6412 * config/rs6000/eabilesim.h: Delete.
6413 * config/rs6000/eabisim.h: Don't include eabi.h.
6414 * config/rs6000/linux.h: Don't include sysv4.h.
6415 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6416 (MULTILIB_DEFAULTS): Don't redefine.
6417 * config/rs6000/rtems.h: Don't include eabi.h.
6418 * config/rs6000/sol2.h: Don't include sysv4le.h.
6419 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6420 * config/rs6000/t-ppc: Delete.
6421 * config/rs6000/t-ppcgas: Correct comment.
6422 * config/rs6000/t-ppcos: Correct comment. Don't build
6423 multilibs for -fPIC, rather use -fPIC -mstrict-align
6425 * config/rs6000/t-ppc: Delete.
6426 * config/rs6000/vxppc.h: Don't include sysv4.h.
6427 * config/rs6000/vxppcle.h: Delete.
6428 * configure.in: Use multiple header files for p2pc ELF targets
6429 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6430 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6431 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6432 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6433 always available for these platforms.
6435 2000-04-04 Richard Henderson <rth@cygnus.com>
6437 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6439 2000-04-04 Stan Cox <scox@cygnus.com>
6441 * Makefile.in: Add rules for regrename.o
6442 * regrename.c: New file.
6443 * rtl.h (regrename_optimize): Add prototype.
6444 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6445 (compile_file, decode_d_option): Add support for -frename-registers.
6446 (rest_of_compilation): Call regrename_optimize.
6447 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6450 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6452 * Makefile (gccbug): New target.
6453 (doc): Depend on it.
6454 * gcc.texi (Bugs): Link subnodes.
6456 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6457 Document severities, priorities, and classes in bug form.
6459 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6461 * cpplex.c (trigraph_map, speccase): Combine into single
6463 (NORMAL, NONTRI): New macros.
6464 (_cpp_read_and_prescan): Change to use unified table. Use
6465 is_hspace to test for whitespace.
6467 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6468 definition that doesn't provoke the "empty body in an
6469 if-statement" warning.
6471 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6473 * builtins.c (expand_builtin_strlen): Force the source to
6474 be a memory address.
6476 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6478 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6480 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6482 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6483 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6484 (ECF_IS_CONST): Rename to ECF_CONST.
6485 (special_function_p): Make static, change interface.
6486 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6487 (expand_call) ... here; convert number of variables to flags.
6488 (emit_library_call_vlue_1): Likewise.
6489 (setjmp_call_p): New function.
6490 (initialize_argument_information): Accepts flags as argument;
6492 (precompute_arguments): Likewise.
6493 * tree.h (special_function_p): Remove.
6494 (setjmp_call_p): Add prototype.
6496 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6498 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6499 so that addresses are offsetable by up to 16 bytes.
6500 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6501 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6504 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6505 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6506 (movsf): Don't force any constant to memory if target is integer
6508 Move fp_zero_operand check below the const0_rtx check.
6509 (movtf): Likewise. Also allow fp_zero_operand for stores into
6511 (movdf): Likewise. Also allow fp_zero_operand for stores into
6512 memory and into integer hard registers.
6513 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6514 movdf_const_intreg_sp64): Remove.
6515 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6517 (movdf_no_e_insn_v9_sp32): New pattern.
6518 (movdf_insn_v9only): Remove.
6519 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6520 (movdf_insn_sp64): Remove.
6521 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6522 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6523 (following splits): Rewrite conditions. Add two new splits
6524 for storing 0.0 into memory and registers.
6525 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6526 (movtf_insn_sp32): Redo constraints and conditions.
6527 (movtf_insn_vis_sp32): New pattern.
6528 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6529 (movtf_insn_hq_sp64): Likewise.
6530 (movtf_insn_hq_vis_sp64): New pattern.
6531 (movtf_insn_sp64): Redo constraints and conditions.
6532 (movtf_insn_vis_sp64): New pattern.
6533 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6534 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6536 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6537 -mvis or -m64 to take down the number of various reload patterns.
6539 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6541 * pa/pa-64.h: New file.
6542 * pa/pa64-regs.h: New file.
6543 * pa/pa64-start.h: New file.
6544 * pa/t-pa64: New file.
6545 * pa/xm-pa64hpux.h: New file.
6547 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6549 * sparc.c (output_restore_regs): Prototype.
6550 (sparc_emit_float_lib_cmp): Constification.
6552 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6554 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6557 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6558 (get_value_hash, hash_rtx): Likewise.
6560 * ssa.c (compute_conservative_reg_partition): Prototype.
6562 * tree.c (mark_hash_entry): Prototype.
6564 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6566 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6567 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6568 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6570 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6571 * objc/lang-specs.h: Likewise.
6573 2000-04-03 Neil Booth <NeilB@earthling.net>
6575 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6576 and SYNTAX_ERROR2. Replace `' in messages with ''.
6577 (op_to_str): Make re-entrant.
6578 (_cpp_parse_expr): Implement new error macros. Use | rather
6579 than || to logically or 2 boolean integers. Simply expression
6580 checking we have a left operand iff needed.
6582 2000-04-03 Nick Clifton <nickc@cygnus.com>
6584 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6586 2000-04-03 Philip Blundell <philb@gnu.org>
6588 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6590 2000-04-03 Felix Lee <flee@cygnus.com>
6592 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6593 (run_shell): Use it.
6595 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6597 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6598 (stmp-fixproto): ...rather than here.
6600 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6602 * pa.c (print_operand): Compute 'base' only inside the code paths
6605 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6607 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6610 2000-04-03 Philipp Thomas <pthomas@suse.de>
6612 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6614 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6616 * Makefile.in (alias.o): Depend on $(TREE_H).
6618 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6620 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6622 * cpplib.c (_cpp_handle_directive): Improve warnings for
6623 traditional C and indented directives.
6625 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6626 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6627 fixinc/inclhack.def: Indent the # of #include_next one space.
6628 * cp/rtti.c: Un-indent #if and #endif.
6630 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6631 syntax error, but an error has already been printed.
6632 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6633 message when called with nothing remaining on the line.
6634 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6635 OTHER token, not an ASSERTION.
6636 * cpplib.c (do_assert): When we create a 'base' node, clear
6637 its aschain pointer.
6639 2000-04-02 Neil Booth <NeilB@earthling.net>
6641 * cppexp.c: New typedef op_t. struct operation and struct
6642 token updated to use it.
6643 (op_to_str): New function.
6644 (_cpp_parse_expr): Error messages modified to use op_to_str.
6646 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6648 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6649 before checking MUST_PASS_IN_STACK.
6651 2000-04-02 Neil Booth <NeilB@earthling.net>
6653 * cppexp.c: New FINISHED dummy token. Combine operator initial
6654 flags and initial priority into a single constant. New
6655 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6656 (_parse_cpp_expr): Implement new constants. Take left operand
6657 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6658 parse indicated by reducing FINISHED token. Remove new lines
6659 from cpp_error messages.
6661 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6663 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6666 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6668 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6669 directive. Add origin values to DIRECTIVE_TABLE. Generate
6670 the strings and function names on the fly. Take the #sccs
6671 entry out of the table if SCCS_DIRECTIVE is not defined.
6672 (_cpp_handle_directive): Decide if the # was at the beginning
6673 of the line here. Issue -pedantic warnings for extended
6674 directives here. Warn about K+R directives with the #
6675 indented, and C89/extended directives with the # not indented,
6677 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6678 do_assert, do_unassert): Don't issue pedantic warning here.
6680 * cpphash.h: Add CPP_WTRADITIONAL macro.
6681 * cpplib.h (struct cpp_options): Rename warn_stringify to
6682 warn_traditional; update comments.
6683 * cppinit.c (handle_option): Set warn_traditional not
6685 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6686 CPP_WTRADITIONAL (pfile).
6687 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6688 be ignored in -traditional mode here.
6690 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6691 to initialize speccase[] and trigraph_map[]. Delete all
6692 references to pfile->input_speccase. Always treat '?' as a
6693 special character. Remove table-initialization code from
6694 _cpp_init_input_buffer.
6696 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6697 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6699 2000-04-01 Richard Henderson <rth@cygnus.com>
6701 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6702 (mostlyclean): Likewise.
6704 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6705 (struct dump_file_info, enum dump_file_index, dump_file): New.
6706 (open_dump_file): Take a dump_file_index not a suffix, and a decl
6707 not a string. Clean out file if we havn't yet done so. Do nothing
6708 if the dump isn't enabled.
6709 (close_dump_file): Do nothing if the dump isn't open. Dump
6710 graph data if requested.
6711 (dump_rtl, clean_dump_file): Remove.
6712 (compile_file): Don't clean the dump files. Only finalize .bp dump
6713 if flag_test_coverage or flag_branch_probabilities. Only finalize
6714 .combine dump if optimizing. Iterate over dump_file to finalize the
6716 (rest_of_compilation): Update for open_dump_file/close_dump_file.
6717 Convert all uses of dump_rtl.
6718 (decode_d_option): Iterate over dump_file to implement 'a' and to
6719 locate pass-specific dumps.
6721 2000-04-01 Neil Booth <NeilB@earthling.net>
6723 * cppexp.c: Redefine priority constants.
6724 (_cpp_parse_expr): Replace left and right priority scheme with
6725 single priority logic. Move LOGICAL to same place as COMPARE.
6726 Remove bogus check for multiple unary +/- operators.
6728 2000-04-01 Neil Booth <NeilB@earthling.net>
6730 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
6731 within the switch statement. Binary operations break out of
6732 the switch naturally. '(' tokens handled by forcing
6733 immediate shift. ')' handled by forcing immediate reduce to
6734 the previous '('. New error messages.
6736 2000-03-31 Geoff Keating <geoffk@cygnus.com>
6738 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
6739 part', it's already in use. Use %K instead. Add a return at the
6740 end of what is now %K.
6741 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
6743 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6745 * builtins.c (expand_builtin_apply): Pass proper parameters to
6746 allocate_dynamic_stack_space.
6747 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
6748 update stack_pointer_delta; do not update arg_size_so_far.
6749 (compute_argument_block_size): Use stack_delta instead of
6750 stack_pointer_pending and arg_size_so_far.
6751 (expand_call): Add sanity checking for stack_pointer_delta;
6752 save and restore stack_pointer_delta for SIB, use
6753 stack_pointer_delta for alignment; do not update arg_space_so_far.
6754 (emit_library_call_value): Use stack_pointer_delta for alignment.
6755 (store_one_arg): Do not update arg_space_so_far.
6756 * explow.c (adjust_stack, anti_adjust_stack): Update
6757 stack_pointer_delta.
6758 (allocate_dynamic_stack_space): Add sanity checking for
6759 stack_pointer_delta.
6760 * expr.c (init_expr, clear_pending_stack_adjust): Clear
6761 stack_pointer_delta.
6762 (emit_push_insn): Update stack_pointer_delta.
6763 * function.h (struct expr_status): Add x_stack_pointer_delta;
6764 remove x_arg_space_so_far.
6765 (arg_space_so_far): Remove.
6766 (stack_pointer_delta): New macro.
6768 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
6770 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
6771 Reorder struct cpp_options and struct cpp_reader for better
6772 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
6773 takes two args. Change all 'char' flags to 'unsigned char'.
6774 Move show_column flag into struct cpp_options. Don't
6775 prototype cpp_options_init.
6776 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
6777 cppinit.c, cpplex.c, cpplib.c:
6778 Replace CPP_OPTIONS (pfile)->whatever with
6779 CPP_OPTION (pfile, whatever), and likewise for
6780 opts = CPP_OPTIONS (pfile); ... opts->whatever;
6782 * cppinit.c (merge_include_chains): Take a cpp_reader *.
6783 Extract CPP_OPTION (pfile, pending) and work with that
6785 (cpp_options_init): Delete.
6786 (cpp_reader_init): Turn on on-by-default options here.
6787 Allocate the pending structure here.
6788 (cl_options, enum opt_code): Define these from the same table,
6789 kept in a large macro. Add -fshow-column and -fno-show-column
6792 * cpperror.c (v_message): If show_column is off, don't print
6795 * cppmain.c: Update for new interface.
6796 * fix-header.c: Likewise.
6798 2000-03-30 Geoff Keating <geoffk@cygnus.com>
6800 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
6802 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
6803 are passed to any invocation of AR_FOR_TARGET.
6804 (AR_CREATE_FOR_TARGET): New macro.
6805 (AR_EXTRACT_FOR_TARGET): New macro.
6806 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
6807 AR_EXTRACT_FOR_TARGET.
6808 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
6809 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
6810 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
6811 AR_EXTRACT_FOR_TARGET to sub-makes.
6813 2000-03-31 Neil Booth <NeilB@earthling.net>
6815 * cppexp.c: Delete SKIP_OPERAND. Correct priority
6817 (_cpp_parse_expr): Check for multiple unary +/- operators.
6818 Correct priorities of ':' and '?'. Treat ')' as having a
6819 value. Ensure conditional expression is not void.
6821 2000-03-31 Mark Mitchell <mark@codesourcery.com>
6823 * alias.c (canon_rtx): Make it global.
6824 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
6826 * cse.c (struct table_elt): Add canon_exp.
6828 (invalidate): Canonicalize expressions only once.
6829 * rtl.h (canon_rtx): Declare.
6831 2000-03-30 Mark Mitchell <mark@codesourcery.com>
6833 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
6834 * alias.c (reg_known_value): Add comments.
6835 (init_alias_analysis): Likewise.
6836 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
6838 (cse_basic_block): Fix typo in comment.
6839 * emit-rtl.c: Include hashtab.h.
6840 (const_int_htab): New variable.
6841 (const_int_htab_hash): New function.
6842 (const_int_htab_eq): Likewise.
6843 (rtx_htab_mark_1): Likewise.
6844 (rtx_htab_mark): Likewise.
6845 (gen_rtx_CONST_INT): Cache all CONST_INTs.
6846 (unshare_all_rtx): Fix formatting.
6847 (init_emit_once): Initialize const_int_htab.
6848 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
6850 * rtl.texi: Document the fact that all CONST_INTs with the same
6853 2000-03-30 Richard Henderson <rth@cygnus.com>
6855 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
6857 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
6859 * configure.in: Comment out --enable-c-cpplib stanza.
6860 * configure: Regenerate.
6862 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6864 * expr.c (store_constructor): Properly compute displacement and
6865 alignment when offset is variable.
6867 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
6868 cases of alignment in bytes.
6870 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
6872 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
6873 since it is used to generate c-parse.y.
6874 * objc-parse.c, objc-parse.y: Regenerated.
6876 * function.c (expand_function_end): Pass alignment argument to
6877 emit_block_move in bits, not bytes.
6879 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6881 * expr.c (move_by_pieces_ninsns): Fix one more missing align
6884 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
6886 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
6887 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
6888 * function.c (assign_parms): Likewise.
6889 * integrate.c (expand_inline_function): Likewise.
6890 * stmt.c (expand_decl): Likewise.
6891 (copy_rtx_and_substitute): Likewise.
6892 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
6893 (clear_by_pieces): Fix error in last change.
6894 * emit-rtl.c (init_emit): Set known registers alignment in bits.
6895 * function.h (regno_pointer_align): Now unsigned.
6896 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
6898 * config/i386/i386.c (aligned_operand): Likewise.
6899 * config/sparc/sparc.c (mem_min_alignment): Likewise.
6900 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
6901 (unaligned_memory_operand): Likewise.
6902 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
6903 Also make alignments and sizes unsigned and some whitespace cleanup.
6904 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
6906 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
6907 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
6908 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
6909 (expand_builtin_memset): Likewise, but to clear_storage.
6910 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
6911 (restore_fixed_argument_area): Likewise.
6912 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
6913 (load_register_parameters): Likewise, to emit_group_load.
6914 (expand_call): Likewise, to emit_group_store and emit_block_move.
6915 (emit_library_call_value_1): Likewise, to emit_block_move.
6916 (store_one_arg): Likewise, and to emit_push_insn.
6917 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
6918 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
6919 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
6920 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6921 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
6922 (expand_assigment, store_expr, store_constructor_field): Likewise.
6923 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
6924 (store_constructor, store_field, get_inner_reference): Likewise.
6925 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
6926 (expand_expr, case COMPONENT_REF): Likewise.
6927 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
6928 and positions; reindent code.
6929 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
6930 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
6931 (assign_parms): Likewise to emit_group_store.
6932 * optabs.c (prepare_cmp_insn): Alignment is in bits.
6933 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
6934 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
6935 (expand_return): Likewise to {extract,store}_bit_field.
6936 * stor-layout.c (get_mode_alignment): Minor cleanup.
6937 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
6938 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
6940 2000-03-29 Nick Clifton <nickc@cygnus.com>
6942 * config/arm/arm.h: Undo effects of previous delta:
6943 (ASM_SPEC): Do not define.
6944 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
6946 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
6949 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6951 * cppinit.c (cpp_start_read): Call initialize_dependency_output
6952 only after reading in the primary source file.
6954 2000-03-29 Geoff Keating <geoffk@cygnus.com>
6956 * c-common.c (c_common_nodes_and_builtins): The first parameter to
6957 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
6958 or a reference to a va_list.
6959 * builtins.c (stabilize_va_list): Simplify now we don't have to
6960 work around C array address decay.
6961 * c-typeck.c (convert_for_assignment): Handle assignment to
6962 a reference parameter by taking the address of the RHS.
6963 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
6964 (va_copy): Likewise.
6965 (__va_copy): Likewise.
6966 * ginclude/varargs.h (va_start): Likewise.
6967 (__va_copy): Likewise.
6969 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
6971 * i386/djgpp.h: Remove extraneous "+".
6973 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
6975 * calls.c (expand_call): Fix typo in last change.
6977 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
6979 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
6982 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6984 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
6985 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
6986 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
6987 * tree.c (bit_position, byte_position): Likewise.
6988 * tree.h: Declare new functions.
6990 2000-03-29 Nick Clifton <nickc@cygnus.com>
6992 * config/arm/arm.c: Minor formatting changes/
6993 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
6995 (ASM_SPEC): Define if not already defined.
6997 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6999 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
7002 2000-03-29 Jakub Jelinek <jakub@redhat.com>
7004 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
7005 value, don't output it as unsigned.
7007 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
7009 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
7011 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7013 * c-common.c (c_common_nodes_and_builtins): Don't special case
7014 cplus_mode when declaring builtin bzero/bcmp, always avoid
7015 prototype arguments.
7017 2000-03-29 Bruce Korb <bkorb@gnu.org>
7019 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
7022 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
7024 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
7025 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
7026 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
7027 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
7028 (save_fixed_argument_area, restore_fixed_argument_area):
7029 conditionize by #ifdef REG_PARM_STACK_SPACE only.
7030 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
7031 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
7032 (precompute_register_parameters): Avoid #ifdefs on
7033 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
7034 (stire_one_args): Likewise.
7035 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
7036 (emit_library_call_value_1): Likewise.
7037 (compute_argument_block_size): Align to STACK_BOUNDARY only for
7038 ACCUMULATE_OUTGOING_ARGS.
7039 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
7041 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
7042 (use_crosses_set_p): Likewise.
7043 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
7044 #define ACCUMULATE_OUTGOING_ARGS 1.
7045 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
7047 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
7049 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
7050 (TARGET_SWITCHES): Add push-args, no-push-args,
7051 accumulate-outgoing-args and no-accumulate-outgoing-args.
7052 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
7053 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
7054 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
7056 (emit_push_insn): Likewise.
7057 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7058 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
7059 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7060 (STACK_DYNAMIC_OFFSET): Define correctly for both
7061 ACCUMULATE_OUTGOING_ARGS and normal mode.
7062 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
7063 * tm.texi (PUSH_ARGS): Document.
7064 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
7066 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
7068 * flags.h (flag_optimize_sibling_calls): Declare.
7069 * calls.c (expand_call): Fail sibcall when
7070 !flag_optimize_sibling_calls
7071 * invoke.texi (flag_optimize_sibling_calls): Document.
7072 * toplev.c (flag_optimize_sibling_calls): New global variable.
7073 (f_options): Add flag_optimize_sibling_calls.
7074 (rest_of_compilation): Conditionize
7075 optimize_sibling_and_tail_recursive_calls by
7076 flag_optimize_sibling_calls.
7077 (main): Set flag_optimize_sibling_calls for -O2.
7078 * stmt.c (expand_return): Conditionize tail recursion by
7079 flag_optimize_sibling_calls.
7081 2000-03-29 Richard Henderson <rth@cygnus.com>
7083 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
7084 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
7086 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
7088 * except.c (add_eh_table_entry): Mark type_info's as referenced.
7090 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7092 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
7094 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
7095 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
7096 * config/rs6000/aix.h: then modified likewise.
7098 2000-03-28 Richard Henderson <rth@cygnus.com>
7100 * rtl.h: Redistribute enum reg_note documentation.
7101 Kill trailing whitespace.
7102 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
7103 Kill trailing whitespace.
7105 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
7107 * cppfiles.c (hash_IHASH): Just return i->hash.
7108 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
7109 htab_find_with_hash.
7110 (cpp_read_file): Likewise.
7111 (find_include_file): Likewise. Properly initialize
7112 ih->nshort. Share ih->name and ih->nshort if possible.
7113 * cpphash.c (_cpp_calc_hash): New function.
7114 (hash_HASHNODE): Just return h->hash.
7115 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
7116 htab_find_with_hash.
7117 * cpphash.h: Prototype _cpp_calc_hash.
7118 * cppinit.c (initialize_builtins): Provide a valid hash
7119 to _cpp_make_hashnode, using _cpp_calc_hash.
7121 * cpphash.c (collect_expansion): # is not a special character
7122 in object-like macros. In -traditional mode, /**/ is not
7123 token paste at the beginning or end of the line.
7124 * cpplib.c (do_include, do_import, do_include_next): If
7125 parse_include fails, return immediately.
7127 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
7129 * config/arm/arm.md (return peepholes): Update to reflect the new
7131 * config/arm/arm.c (arm_volatile_func): Also check
7132 current_function_nothrow.
7133 (output_return_instruction, output_func_prologue): Use it.
7134 (arm_output_epilogue, arm_expand_prologue): Likewise.
7136 2000-03-27 Tom Tromey <tromey@cygnus.com>
7138 * gcc.c (handle_braces): In {x*...} case, break out of loop if
7141 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7143 * expr.c (store_constructor): SIZE now signed.
7144 For EXPR_SIZE, don't evaluate size; just needed if constant.
7145 * fold-const.c (fold): Fix a number of cases when folded tree is
7147 * function.c (flush_addressof): Reenable.
7148 * tree.h (flush_addressof): Likewise.
7149 * toplev.c (independent_decode_option): Look at strings_processed.
7150 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
7152 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
7154 * sibcall.c (indentify_call_return_value): Find last call in the chain;
7155 Allow stack adjustment after function call.
7157 * regmove.c (struct csa_memlist): Make mem field rtx *.
7158 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
7159 (try_apply_stack_adjustment): Replace whole MEM rtx.
7160 (combine_stack_adjustments_for_block): Update calls
7161 to record_one_stack_ref.
7163 2000-03-28 Neil Booth <NeilB@earthling.net>
7165 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
7166 '\\' rather than a null character, so nulls are not special. Fix
7167 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
7168 speed trigraph conversion.
7169 (_cpp_init_input_buffer): Initialize trigraph map.
7171 2000-03-27 Alan Modra <alan@linuxcare.com.au>
7173 * config/i386/i386.c (output_387_binary_op): Correct intel
7174 mode assembly output, and add spaces after commas in AT&T
7175 output. Correct Unixware assembler comment. Document input
7176 constraints. Comment fp operations. Reduce profligate buffer
7177 size. Remove extraneous abort. Localize temp var.
7178 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
7179 (output_fix_trunc): Add spaces after commas in assembly output.
7181 2000-03-27 Richard Henderson <rth@cygnus.com>
7183 * i386-protos.h (ix86_match_ccmode): Declare.
7184 * i386.c (ix86_match_ccmode): New.
7185 (ix86_expand_fp_compare): Update for pattern renames.
7186 (ix86_expand_strlensi_unroll_1): Likewise.
7187 * i386.h (EXTRA_CC_MODES): Add CCZ.
7188 (SELECT_CC_MODE): Use it for EQ/NE zero.
7189 * i386.md (cmpsi_ccz_1): New.
7191 (*testsi_ccz_1): New.
7192 (testqi_ccz_1): New.
7193 (cmpsi_ccno_1): Rename from cmpsi_0.
7194 (testsi_ccno_1): Rename from testsi_1.
7195 (testqi_ccno_1): Rename from testqi_1.
7196 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
7197 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
7198 (*cmphi_0): Use ix86_match_ccmode.
7199 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
7200 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
7201 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
7202 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
7203 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
7204 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
7205 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
7206 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
7207 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
7208 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
7209 (appropriate peepholes): Likewise.
7210 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
7211 (*subsi_3, *subhi_3, *subqi_3): Remove.
7212 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
7213 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
7214 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
7215 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
7216 (x86_shift_adj_1): Use CCZ.
7217 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
7219 2000-03-27 Stan Cox <scox@cygnus.com>
7221 * resource.h (mark_resource_type): New.
7222 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
7223 find_free_register): Use mark_resource_type.
7224 (mark_set_resources): Change include_delayed_effects
7225 to mark_resource_type.
7226 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
7227 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
7228 Use mark_resource_type.
7230 2000-03-27 Richard Henderson <rth@cygnus.com>
7232 * i386.md (call_pop_0, call_value_pop_0): New.
7233 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
7234 (call_value_pop_1): Likewise.
7235 (call_0, call_value_0): New.
7236 (call_1, call_value_1): Remove constraint from unused arg.
7238 2000-03-27 Nick Clifton <nickc@cygnus.com>
7240 * invoke.texi (Spec Files): Document new spec % command created by
7241 Tom Tromey's recent patch.
7243 2000-03-27 Jakub Jelinek <jakub@redhat.com>
7245 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
7248 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7250 * expr.c (expand_assignment): Fix typo in last change.
7252 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
7254 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7256 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
7257 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
7258 and DECL_INLINE if FUNCTION_DECL.
7259 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7260 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7261 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7262 (combine_parm_decls): Likewise.
7263 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7264 * print-tree.c (print_node): Likewise.
7265 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7266 DECL_TRANSPARENT_UNION on proper decl types.
7267 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7268 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7269 DECL_BIT_FIELD of FIELD_DECL.
7270 * tree.h (DECL_RESULT_FLD): New macro.
7272 * expr.c (expand_assignment): Add code to handle variable-sized
7275 2000-03-26 Richard Henderson <rth@cygnus.com>
7277 * calls.c (expand_call): Pass parms not original exp to
7278 optimize_tail_recursion. Mind return value instead of looking
7280 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7281 call_expr. Move checks for call_expr and current_function_decl ...
7282 (expand_return): ... here.
7284 2000-03-26 Tom Tromey <tromey@cygnus.com>
7286 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7287 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7289 (process_command): Use them.
7290 (check_live_switch): Likewise.
7291 (give_switch): Skip ignored switches.
7293 2000-03-26 Jan Hubicka <jh@suse.cz>
7295 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7296 for minimal jump pass test.
7298 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7300 * integrate.c (function_cannot_inline_p): Do inline functions that
7303 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7305 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7306 now a list of TREE_LIST entries, not types.
7307 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7309 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7310 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7312 * config/mips/mips.c (function_arg): Likewise; also remove cast
7313 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7314 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7315 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7316 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7317 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7318 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7319 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7320 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7321 num_adjusts now unsigned.
7322 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7323 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7325 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7326 as is BITPOS variable; use host_integerp and int_bit_position.
7327 (function_arg_record_value_2): Likewise.
7328 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7329 Variable REGNO now unsigned.
7330 (function_arg_record_value): NREGS now unsigned.
7332 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7334 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7336 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7338 * Rework fields used to describe positions of bitfields and
7339 modify sizes to be unsigned and use HOST_WIDE_INT.
7340 * alias.c (reg_known_value_size): Now unsigned.
7341 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7342 (really_start_incremental_init): Use bitsize_zero_node.
7343 (push_init_level, pop_init_level, output_init_element): Likewise.
7344 Use bitsize_unit_node and bitsize_one_node.
7345 (output_pending_init_elements, process_init_element): Likewise.
7346 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7347 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7348 HOST_WIDE_INT, respectively.
7349 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7350 (num_sign_bit_copies): Returns unsigned.
7351 BITWIDTH now unsigned; rework arithmetic.
7352 Remove recursive call from arg to MAX.
7353 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7354 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7356 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7357 (find_split_point, expand_compound_operation, make_extraction): LEN
7358 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7359 (make_field_assignment): Likewise.
7360 (combine_simplify_rtx): Add cast.
7361 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7362 (force_to_mode): WIDTH now unsigned; add cast.
7363 (if_then_else_cond): SIZE now unsigned.
7364 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7365 (extended_count): Now returns unsigned.
7366 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7367 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7368 (simplify_comparison): MODE_WIDTH now unsigned.
7369 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7370 (mark_used_regs_combine): Likewise; rework arithmetic.
7371 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7372 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7373 (record_promoted_value): REGNO now unsigned.
7374 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7375 (get_last_value): REGNO now unsigned.
7376 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7377 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7378 (remove_death): Arg REGNO now unsigned.
7379 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7380 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7382 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7383 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7384 (struct cse_reg_info): REGNO now unsigned.
7385 (cached_regno): Now unsigned.
7386 (REGNO_QTY_VALID_P): Add cast.
7387 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7388 (remove_invalid_regs): Likewise.
7389 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7390 as are variables END and I.
7391 (get_cse_reg_info, insert): Likewise.
7392 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7393 (canon_hash): Likewise.
7394 (insert_regs, lookup_for_remove): REGNO now unsigned.
7395 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7397 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7398 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7399 * emit-rtl.c (subreg_realpart_p): Add cast.
7400 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7401 (operand_subword_force): Arg I is now unsigned.
7402 * except.c (eh_regs): Variable I is now unsigned.
7403 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7404 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7405 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7406 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7407 (extract_split_bit_field, store_bit_field, extract_bit_field):
7409 * expr.c (store_constructor_fields, store_constructor, store_field):
7410 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7411 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7412 (do_jump): Likewise.
7413 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7414 MAX_SIZE is now unsigned.
7415 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7416 (emit_group_store): Likewise.
7417 (emit_move_insn): I now unsigned.
7418 (store_constructor): Use host_integerp, tree_low_cst, and
7420 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7421 Rework all calculations to use trees and new fields.
7422 * expr.h (promoted_input_arg): Regno now unsigned.
7423 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7424 (mark_seen_cases): Arg is HOST_WIDE_INT.
7425 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7426 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7427 precisions and alignments are unsigned.
7428 (optimize_bit_field_compare, fold_truthop): Likewise.
7429 (int_const_binop): Adjust threshold for size_int_type_wide call.
7430 (fold_convert): Likewise.
7431 (size_int_type_wide): Make table larger and fix thinko that only
7432 had half of table used.
7433 (all_ones_mask_p, fold): Precisions are unsigned.
7434 * function.c (put_reg_info_stack): REGNO is unsigned.
7435 (instantiate_decl): Size is HOST_WIDE_INT.
7436 (instantiate_virtual_regs): I is unsigned.
7437 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7438 (promoted_input_arg): REGNO is unsigned.
7439 * function.h (struct function): x_max_parm_reg is now unsigned.
7440 * gcse.c (max_gcse_regno): Now unsigned.
7441 (struct null_pointer_info): min_reg and max_reg now unsigned.
7442 (lookup_set, next_set): REGNO arg now unsigned.
7443 (compute_hash_table): REGNO and I now unsigned.
7444 (handle_avail_expr): regnum_for_replacing now unsigned.
7445 (cprop_insn): REGNO now unsigned.
7446 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7447 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7448 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7449 * hard-reg-set.h (reg_class_size): Now unsigned.
7450 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7451 * jump.c (mark_modified_reg): I now unsigned; add cast.
7452 (rtx_equal_for_thread_p): Add cast.
7453 * loop.c (max_reg_before_loop): Now unsigned.
7454 (struct_movable): REGNO now unsigned.
7455 (try_copy_prop): REGNO arg unsigned.
7456 (regs_match_p): XN and YN now unsigned.
7457 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7458 (strength_reduce): Likewise; NREGS also unsigned.
7459 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7460 * loop.h (struct iv_class): REGNO now unsigned.
7461 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7463 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7464 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7465 * optabs.c (expand_binop): I and NWORDS now unsigned.
7466 (expand_unop): I now unsigned.
7467 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7468 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7469 * real.c (significand_size): Now returns unsigned.
7470 * real.h (significand_size): Likewise.
7471 * regclass.c (reg_class_size): Now unsigned.
7472 (choose_hard_reg_mode): Both operands now unsigned.
7473 (record_reg_classes): REGNO and NR now unsigned.
7474 (reg_scan): NREGS now unsigned.
7475 (reg_scan_update): old_max_regno now unsigned.
7476 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7477 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7478 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7479 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7480 Likewise for variable R.
7481 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7482 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7483 (find_equiv_reg): Add casts.
7484 (regno_clobbered_p): Arg REGNO now unsigned.
7485 * reload.h (struct reload): NREGS now unsigned.
7486 (refers_to_regno_for_reload_p): Regno args are unsigned.
7487 (regno_clobbered_p): Likewise.
7488 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7489 (compute_use_by_pseudos): REGNO now unsigned.
7490 (find_reg): I and J now unsigned, new variable K, and change loop
7491 variables accordingly; THIS_NREGS now unsigned.
7492 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7493 (spill_hard_reg): REGNO arg now unsigned; add casts.
7494 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7495 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7496 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7497 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7498 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7499 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7500 (emit_reload_insns): REGNO now unsigned.
7501 (reload_cse_move2add): Add cast.
7502 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7504 * resource.c (mark_referenced_resources, mark_set_resources): New
7505 variable R; REGNO and LAST_REGNO now unsigned.
7506 (mark_target_live_regs): J and REGNO now unsigned.
7507 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7508 * rtl.h (union rtunion_def): New field rtuint.
7509 (XCUINT): New macro.
7510 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7511 (operand_subword, operand_subword_force): Word number is unsigned.
7512 (choose_hard_reg_mode): Operands are unsigned.
7513 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7514 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7515 (regno_use_in, combine_instructions, remove_death): Likewise.
7516 (reg_scan, reg_scan_update): Likewise.
7517 (extended_count): Return is unsigned.
7518 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7519 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7520 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7521 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7522 (reg_reg_last_1): FIRS and LAST now unsigned.
7523 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7524 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7526 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7527 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7528 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7529 (replace_regs): Arg NREGS now unsigned.
7530 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7531 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7532 (simplify_binary_operation): Likewise.
7533 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7534 THIS_LAST now unsigned.
7535 (cselib_record_set): Add cast.
7536 * ssa.c (ssa_max_reg_num): Now unsigned.
7537 (rename_block): REGNO now unsigned.
7538 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7540 (all_cases_count): Just return -1 not -2.
7541 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7542 Rework tests to use trees whenever possible.
7543 Use host_integerp and tree_low_cst.
7544 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7545 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7546 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7547 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7548 (smallest_mode_for_size): Likewise.
7549 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7550 KNOWN_ALIGN is now an alignment, so simplify code.
7551 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7552 (start_record_layout): Renamed from new_record_layout_info.
7553 Update to new fields.
7554 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7556 (place_union_field): Renamed from layout_union_field.
7557 Update to use new fields in rli.
7558 (place_field): Renamed from layout_field.
7559 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7560 (finalize_record_size): Rework to use new fields in rli and handle
7562 (compute_record_mode): Rework to simplify and to use new DECL fields.
7563 (finalize_type_size): Make rounding more consistent.
7564 (finish_union_layout): Deleted.
7565 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7566 (layout_type, case RECORD_TYPE): Call new function names.
7567 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7568 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7569 (get_best_mode): UNIT is now unsigned; remove casts.
7570 * tree.c (bit_position): Compute from new fields.
7571 (byte_position, int_byte_position): New functions.
7572 (print_type_hash_statistics): Cast to remove warning.
7573 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7574 (build_index_type): Likewise; make subtype of sizetype.
7575 (build_index_2_type): Pass sizetype to build_range_type.
7576 (build_common_tree_nodes): Use size_int and bitsize_int to
7577 initialize nodes; add bitsize_{zero,one,unit}_node.
7578 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7579 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7580 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7581 (DECL_FIELD_BITPOS): Deleted.
7582 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7583 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7584 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7585 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7586 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7587 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7588 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7589 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7590 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7591 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7592 (DECL_ALIGN): Adjust to new field in union.
7593 (DECL_OFFSET_ALIGN): New field.
7594 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7595 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7596 (union tree_decl): Add struct for both aligns.
7597 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7598 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7599 (struct record_layout_info): Rework fields to have offset
7600 alignment and byte and bit position.
7601 (start_record_layout, place_field): Renamed from old names.
7602 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7603 (byte_position, int_byte_position): Likewise.
7604 (get_inner_reference): Change types of position and length.
7605 * unroll.c (unroll_loop): New variable R; use for some loops.
7606 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7607 (calculate_giv_inc): Arg REGNO now unsigned.
7608 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7609 * varasm.c (assemble_variable): Clean up handling of size using
7610 host_integerp and tree_low_cst.
7611 (decode_addr_const): Use byte, not bit, position.
7612 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7613 use tree_low_cst and int_bit_position.
7614 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7616 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7618 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7619 (reorder_block_def): New members eff_head and eff_end.
7620 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7621 (verify_insn_chain): New function.
7622 (skip_insns_between_block): Add code to skip deleted insns.
7623 Check for note before using.
7624 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7625 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7626 Check for note before using.
7627 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7628 (fixup_reorder_chain): Restructure, clean up, defect removal.
7629 (reorder_basic_blocks): Remove last_insn and references to it.
7630 Moved insn chain verification code into a new function (see above).
7631 Delete defective code that sets last insn.
7632 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7635 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7637 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7639 2000-03-24 Richard Henderson <rth@cygnus.com>
7641 * tree.c (lang_safe_for_unsave): Remove.
7642 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7643 allowing for two levels of unsafeness. Remove lang hook.
7644 * tree.h: Update declarations.
7645 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7646 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7647 Always fail sibcalls when there are pending cleanups.
7649 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7651 * flow.c (propagate_block): When we delete an ADDR_VEC,
7652 also delete the BARRIER following it if there is one.
7654 2000-03-24 Richard Henderson <rth@cygnus.com>
7656 * builtins.c (expand_builtin_bzero): Convert `length' argument
7659 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7661 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7662 comparison if regno's are equal.
7663 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7664 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7665 (expand_call): Update caller.
7666 Avoid making a sibling call if argument size of the callee is larger
7667 than argument size of the caller.
7668 Call hard_function_value with outgoing set if in sibcall pass.
7669 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7671 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7672 Change LEAF_REGISTERS from an array initializer to actual array
7673 identifier. Move static global variable into the function.
7674 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7675 sequences for leaf functions.
7676 * global.c (global_alloc): Likewise.
7677 * tm.texi (LEAF_REGISTERS): Update documentation.
7679 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7680 TARGET_FLAT leaf disabling hack.
7681 (LEAF_REGISTERS): Changed from an array initializer to actual array
7682 identifier to avoid duplication and remove the above hack.
7683 (FUNCTION_OK_FOR_SIBCALL): Define.
7684 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7685 always like call attribute.
7686 (eligible_for_sibcall_delay): New attribute.
7687 (sibcall): New delay type.
7688 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7689 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7690 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7691 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7692 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7694 (output_function_epilogue): Move part of the code into
7695 output_restore_regs.
7696 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7698 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7701 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7702 until infrastructure is finished.
7704 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
7706 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
7707 (save_parm_insns): Not here.
7709 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7711 * builtins.c (expand_builtin_bzero): New function.
7712 (expand_builtin): Handle bzero.
7714 * builtins.def: Add BUILT_IN_BZERO.
7716 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7717 prototype & function for bzero.
7719 2000-03-23 Michael Meissner <meissner@redhat.com>
7721 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
7722 change adding TARGET_FP to the TF floating point insns, except for
7723 trunctfsf2, which generates direct calls to truncdfsf2.
7725 2000-03-23 Geoff Keating <geoffk@cygnus.com>
7727 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
7728 try to protect against middle-end changes that break binary
7730 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
7732 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7734 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
7736 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7738 * calls.c (expand_call): If TARGET is passed by reference and
7739 is readonly, write a CLOBBER.
7741 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7743 * builtins.c (expand_builtin): Handle bcmp.
7745 * builtins.def: Add BUILT_IN_BCMP.
7747 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7748 prototype & function for bcmp.
7750 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
7752 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
7753 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
7754 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
7756 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
7758 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
7759 alternative when using -fp64 -gp32.
7761 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7763 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
7764 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
7765 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
7767 * frame.h (frame_state): Revert last change.
7768 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
7769 * libgcc2.c (throw_helper): Revert last change.
7771 2000-03-22 Richard Henderson <rth@cygnus.com>
7773 * stmt.c (expand_asm_operands): Don't promote the temporary.
7775 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7777 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
7778 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
7779 c_get_alias_set): Likewise.
7780 * c-decl.c (duplicate_decls): Likewise.
7781 * c-typeck.c (default_conversion,build_unary_op): Likewise.
7782 * calls.c (initialize_argument_information): Likewise.
7783 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
7785 * dwarfout.c (decl_class_context,output_type): Likewise.
7786 * expr.c (get_inner_reference): Likewise.
7787 * fold-const.c (simple_operand_p,fold): Likewise.
7788 * function.c (aggregate_value_p): Likewise.
7789 * stmt.c (expand_asm_operands): Likewise.
7790 * varasm.c (named_section): Likewise.
7792 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7794 Implement dwarf2 exception handling for the ARM.
7795 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
7796 (DWARF_FRAME_RETURN_COLUMN): Define.
7797 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
7798 REG_FRAME_RELATED_EXPR note.
7799 (emit_sfm): Likewise.
7800 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
7801 * dwarf2out.c (reg_save): Handle saving a register to itself.
7802 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
7803 * except.c (eh_regs): Don't use the static chain reg if it's
7805 * frame.h (frame_state): Add cfa_saved field.
7806 * frame.c (execute_cfa_insn): Set it.
7807 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
7809 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
7811 (instantiate_virtual_regs): Adjust.
7813 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7814 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7815 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
7817 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
7818 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
7820 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7822 * builtins.def: New file.
7824 * Makefile.in (TREE_H): Depend on builtins.def.
7826 * builtins.c (built_in_names): Use builtins.def.
7828 * tree.h (built_in_function): Likewise.
7830 2000-03-22 Mark Mitchell <mark@codesourcery.com>
7832 * tree.c (size_in_bytes): Return size_zero_node, not
7835 2000-03-22 Geoff Keating <geoffk@cygnus.com>
7837 * config/fp-bit.c (pack_d): Correct the case when a denormal
7838 is rounded up and stops being denormal.
7840 2000-03-21 Richard Henderson <rth@cygnus.com>
7842 * config/alpha/alpha.c (function_arg): Check for void_type_node
7843 before using MUST_PASS_IN_STACK.
7845 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
7847 * regmove.c (combine_stack_adjustments_for_block): Check that
7848 the stack pointer is a valid memory address.
7850 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
7852 * calls.c: re-install Mar 16 emit_library_call merge.
7854 2000-03-21 Jakub Jelinek <jakub@redhat.com>
7856 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
7857 we cannot be sure that if reload_completed base register will
7858 be properly aligned.
7860 2000-03-21 Richard Henderson <rth@cygnus.com>
7862 * flow.c (delete_block): Fix typo last change.
7864 2000-03-21 Mark Mitchell <mark@codesourcery.com>
7866 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
7867 not COMPLETE_TYPE_P, to check the type of the expression.
7869 2000-03-21 Michael Meissner <meissner@redhat.com>
7871 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
7872 all floating point insns that just tested the macro
7873 TARGET_HAS_XFLOATING_LIBS.
7874 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
7875 used to only use the gprs.
7877 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
7879 * tree.h (COMPLETE_TYPE_P): New macro.
7880 (COMPLETE_OR_VOID_TYPE_P): New macro.
7881 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
7882 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
7883 * c-aux-info.c (gen_type): Use them.
7884 * c-common.c (c_expand_expr_stmt): Likewise.
7885 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
7886 grokdeclarator, grokparms, finish_struct, start_function,
7887 store_parm_decls, combine_parm_decls): Likewise.
7888 * c-parse.y (cast_expr): Likewise.
7889 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
7890 c_size_in_bytes, c_alignof, build_component_ref,
7891 build_indirect_ref, build_array_ref, convert_arguments,
7892 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
7893 * calls.c (initialize_argument_information): Likewise.
7894 * convert.c (convert_to_integer): Likewise.
7895 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
7896 * dwarfout.c (location_or_const_value_attribute,
7897 output_enumeration_type_die, output_structure_type_die,
7898 output_union_type_die, output_type): Likewise.
7899 * expr.c (safe_from_p, expand_expr): Likewise.
7900 * function.c (assign_parms): Likewise.
7901 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
7902 * tree.c (build_array_type, build_function_type,
7903 build_method_type, build_offset_type, build_complex_type): Likewise.
7904 * c-parse.c, c-parse.h: Regenerated.
7906 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7908 * config/c4x/rtems.h: Include config/rtems.h.
7910 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
7912 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
7913 decl is a FUNCTION_DECL
7915 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
7917 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
7918 function uses output registers. Don't save RP for leaf functions.
7919 Do save RP even if no epilogue.
7920 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
7921 (CALL_USED_REGISTERS): Unmark in registers.
7922 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
7925 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7927 * config/rs6000/rs6000.md (bunordered): New expander.
7928 (bordered): New expander.
7929 (buneq): New expander.
7930 (bunge): New expander.
7931 (bungt): New expander.
7932 (bunle): New expander.
7933 (bunlt): New expander.
7934 (bltgt): New expander.
7936 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
7937 (ccr_bit_negated_p): New function.
7938 (print_operand): For %C, generate appropriate cror for UNEQ,
7939 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
7941 2000-03-20 Andreas Jaeger <aj@suse.de>
7943 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
7946 * tree.h (safe_for_unsave): Prototype.
7948 2000-03-20 Richard Henderson <rth@cygnus.com>
7950 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
7951 (combine_stack_adjustments_for_block): Don't allow sp references
7952 in the side of a set we're not fixing up.
7953 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
7954 after life_analysis.
7956 2000-03-20 Richard Henderson <rth@cygnus.com>
7958 * calls.c (expand_call): Don't bother generating tail call
7959 sequences if there are pending cleanups. Use
7960 expand_start_target_temps/expand_end_target_temps to elide
7961 cleanups created during sibcall expansion.
7963 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7965 * configure.in: Set $IFS to a value if it doesn't already have one
7966 in the --enable-checking handling.
7967 * configure: Regenerate.
7969 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7971 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
7972 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7975 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
7977 * jump.c (delete_noop_moves): Remove code attempting to
7978 combine stack adjustments.
7980 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7982 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
7983 * except.c (emit_cleanup_handler): Use them.
7984 (expand_end_all_catch): Likewise.
7985 * function.c (fixup_var_refs): Likewise.
7986 (expand_function_end): Clear catch_clauses_last.
7987 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
7988 * except.h (struct eh_status): New field x_catch_clauses_last.
7989 (catch_clauses_last): New define.
7991 * Makefile.in (tree.o): Depend on HASHTAB_H.
7992 * tree.c: Include hashtab.h.
7993 (struct type_hash): Remove next field.
7994 (TYPE_HASH_SIZE): Remove.
7995 (TYPE_HASH_INITIAL_SIZE): New define.
7996 (type_hash_table): Change type to htab_t.
7997 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
7998 mark_hash_entry): New functions.
7999 (init_obstacks): Allocate type hash.
8000 (type_hash_lookup): Use htab functions.
8001 (type_hash_add, mark_type_hash): Likewise.
8002 (dump_tree_statistics): Call print_type_hash_statistics.
8004 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8006 * rs6000/t-aix41: New file.
8008 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
8010 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
8012 * tm.texi (Driver): Fix typos and tweak entry for
8014 Move misplaced STRUCT_FORCE_BLK entry ...
8015 (Storage Layout): ... to here.
8016 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
8018 2000-03-19 Richard Henderson <rth@cygnus.com>
8020 * flow.c (delete_block): Delete the addr_vec along with the block.
8021 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
8024 * fold-const.c (extract_muldiv): Apply type check for defined
8025 overflow to multiply as well as divide.
8027 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
8029 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8031 * emit-rtl.c (remove_unncessary_notes): Check that all
8032 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
8033 associated NOTE_BLOCK.
8034 * function.h (identify_blocks): Update comments.
8035 (reorder_blocks): Declare.
8036 * function.c (identify_blocks): Don't take paramters.
8037 (reorder_blocks): Don't take parameters.
8038 * loop.h (find_loop_tree_blocks): Remove.
8039 (unroll_block_trees): Likewise.
8040 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
8041 reorder_blocks instead of unroll_block_trees.h
8042 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
8043 * stmt.c (find_loop_tree_blocks): Remove.
8044 (unroll_block_trees): Likewise.
8045 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
8046 in whole-function mode.
8047 * tree.h (reorder_blocks): Remove declaration.
8049 * expr.c: Include intl.h.
8050 * Makefile.in (expr.o): Depend on intl.h.
8052 2000-03-18 Richard Henderson <rth@cygnus.com>
8054 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
8056 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8058 * tree.h (tree_index): Remove enumerals for integer types.
8059 (integer_type_kind): New type.
8060 (integer_types): New variable.
8061 (char_type_node): Adjust.
8062 (signed_char_type_node): Likewise.
8063 (unsigned_char_type_node): Likewise.
8064 (short_integer_type_node): Likewise.
8065 (short_unsigned_type_node): Likewise.
8066 (integer_type_node): Likewise.
8067 (unsigned_type_node): Likewise.
8068 (long_integer_type_node): Likewise.
8069 (long_unsigned_type_node): Likewise.
8070 (long_long_integer_type_node): Likewise.
8071 (long_long_unsigned_type_node): Likewise.
8072 * tree.c (integer_types): New variable.
8073 (init_obstacks): Register it as a root.
8075 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
8077 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
8078 NEXT_INSN. Update last insn in chain.
8080 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
8082 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
8083 with TYPE_DECL_SUPPRESS_DEBUG set.
8085 2000-03-18 Richard Henderson <rth@cygnus.com>
8087 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
8089 2000-03-18 Richard Henderson <rth@cygnus.com>
8091 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
8092 care for HALF_PIC_P.
8093 (expander_call_insn_operand): Remove.
8094 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
8095 * i386.h (PREDICATE_CODES): Update.
8096 * i386.md (all call expanders): Remove predicates, remove special
8097 handling for half-pic.
8098 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
8099 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
8100 (sibcall_epilogue): New.
8102 2000-03-17 Richard Henderson <rth@cygnus.com>
8104 * rtlanal.c (single_set): Reject if the parallel has anything
8105 except SET or USE or CLOBBER.
8107 2000-03-17 Jeff Law <law@cygnus.com>
8108 Richard Henderson <rth@cygnus.com>
8110 * Makefile.in (OBJS): Add sibcall.o.
8112 * sibcall.c: New file.
8113 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
8114 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
8115 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
8116 Emit sibcall patterns when requested. Update all callers.
8117 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
8118 elimination seems feasable.
8119 * final.c (leaf_function_p): Sibling calls don't discount being
8121 * flow.c (HAVE_sibcall_epilogue): Provide default.
8122 (find_basic_blocks_1): Sibling calls don't throw.
8123 (make_edges): Make edge from sibling call to EXIT.
8124 (propagate_block): Don't remove sibcall_epilogue insns.
8125 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
8126 (sibcall_epilogue): New.
8127 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
8128 (identify_blocks_1): Likewise. Break out from ...
8129 (identify_blocks): ... here.
8130 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
8131 (reorder_blocks): ... here.
8132 (init_function_for_compilation): Zap prologue/epilogue as varrays.
8133 (record_insns): Extend a varray instead of mallocing new memory.
8134 (contains): Read a varray not array of ints.
8135 (sibcall_epilogue_contains): New.
8136 (thread_prologue_and_epilogue_insns): Emit and record
8137 sibcall_epilogue patterns.
8138 (init_function_once): Allocate prologue/epilogue varrays.
8139 * genflags.c (gen_insn): Treat sibcall patterns as calls.
8140 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
8142 (save_for_inline_nocopy): ... here.
8143 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
8145 (expand_inline_function): ... here.
8146 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
8147 (subst_constants): Handle 'n' formats.
8148 * jump.c (jump_optimize_minimal): New.
8149 (jump_optimize_1): New arg `minimal'; update callers. Elide most
8150 optimizations if it's set.
8151 * rtl.c (copy_rtx): Do copy jump & call for insns.
8152 * rtl.h (struct rtx_def): Document use of jump and call for insns.
8153 (SIBLING_CALL_P): New.
8154 (sibcall_use_t): New.
8155 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
8156 Invoke optimize_sibling_and_tail_recursive_calls.
8157 * tree.c (lang_safe_for_unsave): New.
8158 (safe_for_unsave): New.
8159 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
8161 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
8162 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
8163 (*sibcall_osf_1, *sibcall_value_osf_1): New.
8165 2000-03-17 Mark Mitchell <mark@codesourcery.com>
8167 * objc/objc-act.c (encode_method_prototype): Pass types, not
8168 PARM_DECLs, to int_size_in_bytes.
8170 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
8172 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
8174 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8175 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
8177 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8179 * Clean up usages of TREE_INT_CST_LOW.
8180 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
8181 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8183 * c-tree.h (min_precision): Move declaration to here.
8184 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
8185 (build_unary_op, add_pending_init): Use bit_position.
8186 (pending_init_member, process_init_element): Likewise.
8187 (really_start_incremental_init, push_init_level, pop_init_level):
8188 Don't make copies of nodes or modify them in place, use consistent
8189 types when tracking positions, and use tree routines computations.
8190 (set_init_index, output_init_element): Likewise.
8191 (output_pending_init_elements, process_init_element): Likewise.
8192 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
8193 tree_low_cst and int_bit_position; also minor cleanup.
8194 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
8195 (print_cst_octal): Precision is unsigned.
8196 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
8197 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
8198 (simple_type_align_in_bits): Result is unsigned int.
8199 Use tree_int_low_cst and host_integerp.
8200 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
8201 (field_byte_offset): Result is HOST_WIDE_INT.
8202 Change types of internal variables so alignments are unsigned int,
8203 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
8204 Use host_integerp, tree_low_cst, and int_bit_position.
8205 (add_bit_offset_attribute): Likewise.
8206 (add_data_member_location_attribute): Use tree_cst_low.
8207 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
8208 (add_bit_size_attribute): Use tree_low_cst.
8209 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
8210 * dwarfout.c: Similar changes to dwarf2out.c.
8211 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
8212 * genoutput.c (n_occurences): Return -1 for null string.
8213 (strip_whitespace): Accept null string and make into function.
8214 (scan_operands): Reflect above changes.
8215 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
8216 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
8217 * ssa.c (rename_registers): Add missing cast of arg to bzero.
8218 * tree.c (int_size_in_bytes): Check for too big to represent.
8219 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
8220 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
8222 (min_precision): Delete from here.
8223 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
8224 and int_bit_position.
8225 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
8226 (encode_method_def): Likewise.
8227 (build_ivar_list_initializer): Use int_bit_position.
8228 (generate_shared_structures): Convert size.
8229 (encode_type, encode_complete_bitfield): Use integer_zerop.
8230 (encode_bitfield): Use tree_low_cst and int_bit_position.
8232 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8234 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
8236 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8238 * call.c (special_function_p): It is only malloc if it returns
8241 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8243 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
8244 (C33_FLAG, TARGET_C3X): Add macros.
8245 (TARGET_SWITCHES): Add -m33 option.
8246 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
8248 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8250 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
8251 (PARALLEL_PACK_FLAG): Delete.
8252 (TARGET_SWITCHES): Update.
8253 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
8255 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8257 * fold-const.c (fold): Fix a few cases when the returned result
8258 is not of the same type as the input.
8260 2000-03-16 Nick Clifton <nickc@cygnus.com>
8262 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8265 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8267 * libgcc2.h: Move prototypes above macros with the same name.
8268 Wrap some function prototypes in the conditional which indicates
8269 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8271 2000-03-16 Richard Henderson <rth@cygnus.com>
8273 * calls.c: Revert last two changes.
8275 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8277 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8278 has exponent 0 is a zero.
8280 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8281 HASH may already be nonzero. Add code/mode into hash value
8282 immediately after repeat label.
8283 (cselib_lookup): Don't leave the hash table in an inconsistent
8284 state before a hash lookup operation.
8286 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8288 * i386.md (all HI and QI mode non-move patterns): Conditionize
8289 by TARGET_[HQ]IMODE_MATH.
8290 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8291 x86_promote_qi_regs): Declare.
8292 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8293 TARGET_PROMOTE_QI_REGS): New macros.
8294 (PROMOTE_MODE): New macro.
8295 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8296 x86_promote_qi_regs): New global variables.
8298 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8300 * calls.c (emit_library_call_value_1): Break out from ...; handle
8301 VOIDmode function calls too.
8302 (emit_library_call_value): ... here.
8303 (emit_library_call): Implement by calling emit_library_call_value_1.
8305 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8307 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8308 Update arg_space_so_far on stack adjustments.
8309 (emit_library_call, emit_library_call_value): Likewise; take into
8310 account arg_space_so_far and pending_stack_adjust when calculcating
8313 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8315 * flow.c: Move all basic block reordering code into its own file.
8316 (create_basic_block): Externalize.
8317 * bb-reorder.c: New file. Copy all basic block reordering code from
8318 flow.c to this file.
8319 (reorder_basic_blocks): Fix fencepost error in for-loop.
8320 (reorder_basic_blocks): Remove braces from single statement for-loops.
8321 * basic-block.h: Add declaration for create_basic_block.
8322 * Makefile.in: Add rules for bb-reorder.o.
8324 2000-03-16 Neil Booth <NeilB@earthling.net>
8326 * cppinit.c (handle_option): Implement #unassert directive
8327 as -A- command line option.
8328 (print_help): Update.
8329 * cpptexi.c: Update.
8331 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8333 * md.texi (Standard Names): Document `jump'.
8335 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8337 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8340 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8342 Merge changes from newppc-branch onto trunk.
8344 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8346 * rs6000.c (toc_hash_table): Update for new hash table functions.
8347 (toc_hash_function): Likewise.
8348 (toc_hash_eq): Likewise.
8349 (toc_hash_mark_entry): Likewise.
8350 (toc_hash_mark_table): Likewise.
8351 (output_toc): Likewise.
8352 (rs6000_add_gc_roots): Likewise.
8354 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8356 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8357 (AR_FLAGS_FOR_TARGET): here. New macro.
8359 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8361 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8362 fpmem_operand) Delete.
8364 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8365 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8366 (rs6000_save_machine_status, rs6000_restore_machine_status,
8367 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8368 references to above variables.
8369 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8370 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8371 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8372 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8373 (XER_REGNO_P, XER_REGNO): New.
8374 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8375 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8376 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8378 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8379 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8380 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8382 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8384 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8385 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8386 * rs6000.h: from here.
8388 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8389 (rs6000_select_rtx_section): Likewise.
8390 (rs6000_encode_section_info): Likewise.
8391 (sdata_section): Likewise.
8392 (sdata2_section): Likewise.
8393 (sbss_section): Likewise.
8394 * sysv4.h (rs6000_select_section): Delete prototype.
8395 (rs6000_select_rtx_section): Likewise.
8396 (rs6000_encode_section_info): Likewise.
8397 (sdata_section): Likewise.
8398 (sdata2_section): Likewise.
8399 (sbss_section): Likewise.
8400 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8402 * sysv4.h: Delete various unnecessary #undef's and put a comment
8403 on the remaining ones.
8404 Change various comments according to coding standard.
8406 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8408 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8409 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8410 (CR0_REGNO_P) Remove.
8411 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8412 setup_incoming_varargs, mtcrf_operation, print_operand,
8413 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8414 Use the above macros.
8416 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8418 * config/rs6000/rs6000.md: Added a new alternative for each
8419 pattern that had a 'x' alternative but no 'y' alternative.
8420 Added a new split for each of the above patterns.
8422 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8424 * aix41.h (ASM_CPU_SPEC): Delete.
8425 (CPP_CPU_SPEC): Delete.
8427 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8428 (ASM_OUTPUT_LABEL): Define.
8429 (ASM_GLOBALIZE_LABEL): Define.
8430 (STRIP_NAME_ENCODING): Define.
8431 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8432 (STRIP_NAME_ENCODING): Don't define.
8433 (ASM_OUTPUT_LABEL): Don't define.
8434 (ASM_GLOBALIZE_LABEL): Don't define.
8435 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8436 names, and ASM_OUTPUT_LABEL to output labels, rather than
8438 (ASM_OUTPUT_LABEL): Define.
8439 (ASM_OUTPUT_INT): Use assemble_name.
8440 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8441 (STRIP_NAME_ENCODING): Don't undefine first.
8442 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8444 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8445 specified with 'asm' even with -fleading-underscore.
8446 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8447 (output_epilog): Likewise.
8448 (output_toc): Likewise.
8449 * tramp.asm: Handle -fleading-underscore correctly.
8451 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8453 (nonlocal_goto_receiver): Delete.
8454 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8456 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8457 (SET_ASM_OP): Define.
8458 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8460 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8463 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8464 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8466 * rs6000.h: Add 'u' to more constants.
8468 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8470 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8472 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8474 * rs6000.c (reg_or_u_cint_operand): New function.
8475 (logical_operand): Handle 64-bit hosts.
8476 (logical_u_operand): New function.
8477 (non_logical_cint_operand): Handle 64-bit hosts.
8478 (non_logical_u_cint_operand): New function.
8479 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8480 (PREDICATE_CODES): Define new functions.
8481 * rs6000-protos.h: Declare new functions.
8482 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8483 (movdi_64): Bracket code intended for 64-bit hosts. Create
8484 CONST_DOUBLE for 32-bit values.
8485 (scc insns): Generate DImode compares.
8486 (mfcr insns): Create DImode versions.
8487 (sge matchers): New patterns.
8489 2000-02-15 Gabriel Paubert <paubert@iram.es>
8491 * rs6000.md: Correct instructions length attributes and
8492 constraints on unsigned compare instructions.
8493 (*ne0): Disable for PowerPC64.
8495 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8497 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8498 quantity, fix profile1.C test failure under -fPIC.
8500 * rs6000.c: Add 'u' to many constants to suppress warnings.
8501 (constant_pool_expr_1): Make static.
8502 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8503 * rs6000.h: Add 'u' to many constants to suppress warnings.
8505 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8506 for the start of the TOC, instead of LCTOC..0.
8507 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8509 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8510 (load_toc_aix_di): Use LCTOC..1.
8512 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8513 * rs6000.c (rs6000_legitimize_address): New function from
8514 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8515 symbols in the constant pool that really are TOC references.
8516 (print_operand_address): For ELF, write TOC offsets under
8517 -fPIC as subtractions in the insn.
8518 (output_toc): For ELF, define symbols in TOC as normal labels,
8520 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8521 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8522 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8523 * rs6000.md (movsi): Only use create_TOC_reference on
8524 symbols in the constant pool that really are TOC references.
8526 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8527 * rs6000.c (rs6000_reorg): Delete.
8528 * rs6000-protos.h (rs6000_reorg): Delete.
8530 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8532 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8534 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8535 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8536 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8537 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8538 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8539 rs6000_aix_emit_builtin_unwind_init.
8540 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8541 rs6000_emit_eh_toc_restore on AIX.
8542 (return_eh_si): Use r2.
8543 (return_eh_di): Use r2.
8545 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8546 since we're breaking binary compatibility anyway.
8548 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8550 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8551 constant_pool_expr_p): Declare them.
8552 (constant_pool_expr_p): Declare it.
8553 * config/rs6000/rs6000.c (toc_label_name): Define.
8554 (rs6000_override_options): Set toc_label_name.
8555 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8556 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8557 uses_TOC): New functions.
8558 (print_operand): Delete old '*' case.
8559 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8560 and strip off rtl for TOC before calling output_addr_const.
8561 (rs6000_emit_load_toc_table): Use toc_label_name.
8562 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8564 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8565 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8566 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8567 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8568 into explicit TOC_REGISTER offsets.
8569 (TOC_REGISTER): New macro.
8570 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8571 TARGET_TOC to reference TOC_REGISTER.
8572 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8573 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8574 uses_TOC before emitting label references.
8576 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8578 * rs6000.md (stack_tie): Fix warning.
8580 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8581 to handle -fleading-underscore.
8582 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8583 (USER_LABEL_PREFIX): New macro.
8584 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8585 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8586 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8587 call-linux can use the same multilibs.
8588 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8589 and call-linux multilibs. Do multilib with -fleading-underscore.
8590 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8591 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8594 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8595 have MASK_SOFT_FLOAT set.
8596 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8597 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8598 CPP_FLOAT_DEFAULT_SPEC.
8600 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8601 * rs6000.md: Whitespace change.
8602 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8603 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8605 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8607 * rs6000.md (eh_epilogue): New expander.
8608 (eh_reg_restore): New expand/split/insn combination.
8609 (return_eh_si): New insn.
8610 (return_eh_di): New insn.
8612 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8613 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8614 * eabi-ctors.c (__do_global_ctors): Register this object's
8615 frame. Clean up. Call atexit() after the constructors.
8616 (__do_global_dtors): Deregister this object's frame. Clean up.
8617 Allow for recursive calls to exit().
8618 * rs6000.c (fixuplabelno): New variable.
8619 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8620 TARGET_RELOCATABLE, it slows down exec() under linux.
8621 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8623 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8624 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8625 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8626 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8627 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8628 (ASM_OUTPUT_DWARF_ADDR): New macro.
8629 (ASM_OUTPUT_DWARF_DATA4): New macro.
8630 (ASM_OUTPUT_DWARF_DATA2): New macro.
8631 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8632 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8633 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8635 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8637 * rs6000.c (rs6000_sr_alias_set): New variable.
8638 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8639 (rs6000_emit_stack_tie): New function.
8640 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8641 in a way that dwarf2out can understand.
8642 (rs6000_frame_related): New function.
8643 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8644 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8645 Use rs6000_emit_stack_tie when needed.
8646 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8647 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8648 * rs6000.md (stack_tie): New insn.
8649 (return_internal_si): Allow return value to be in the count
8651 (return_internal_di): Likewise.
8653 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8655 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8657 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8659 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8661 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8663 * rs6000.md (stmw): Use the right POWER opcode.
8666 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8668 * rs6000-protos.h: New file.
8670 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8672 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8675 * sysv4.h: Likewise.
8677 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8679 * ../../configure.in: Delete powerpcle-*-winnt*
8680 and powerpcle-*-pe|powerpcle-*-cygwin*.
8681 * ../../configure: Regenerated.
8683 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8684 (TARGET_WINDOWS_NT): Delete.
8686 (CALL_NT_DLLIMPORT): Delete.
8687 Delete NT-specific code.
8688 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8691 * nt-ci.asm: Delete.
8692 * nt-cn.asm: Delete.
8693 * ntstack.asm: Delete.
8695 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8697 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8698 (ASM_FILE_START): Likewise.
8699 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8700 (ASM_OUTPUT_LABELREF): Likewise.
8701 (ASM_OUTPUT_SKIP): Likewise.
8702 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8703 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8704 (ASM_OUTPUT_CASE_LABEL): Likewise.
8705 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8706 (ASM_OUTPUT_ASCII): Likewise.
8708 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
8710 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
8711 reload_toc_labelno for non-prologue TOC reloads. Also, don't
8712 increment rs6000_pic_labelno here.
8713 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
8714 and increment rs6000_pic_labelno here.
8716 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
8718 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
8719 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
8720 allocation knows (reg) is dead before the insn.
8722 2000-01-21 Geoff Keating <geoffk@cygnus.com>
8724 * rs6000.md (movsi_to_cr): Correct typo in output template.
8726 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8728 * rs6000.c (rs6000_pic_labelno): Always define.
8729 (rs6000_pic_func_labelno): Delete.
8730 (lmw_operation): Check for a zero base register,
8731 which doesn't mean what we want.
8732 (stmw_operation): New function.
8733 (print_operand): Define new 'l' modifier.
8734 (rs6000_stack_info): We must save all 64 bits of the registers
8735 if TARGET_POWERPC64.
8736 (rs6000_output_load_toc_table): Delete.
8737 (rs6000_emit_load_toc_table): New function.
8738 (rs6000_allocate_stack_space): Delete.
8739 (rs6000_emit_allocate_stack): New function.
8740 (rs6000_emit_prologue): New function.
8741 (output_prolog): Use rs6000_emit_prologue.
8742 (rs6000_emit_epilogue): Change a few variable names to be
8743 more accurate. Restore all 64 bits of the registers if
8744 TARGET_POWERPC64. Only restore the FP registers which were used
8745 if they are being saved/restored one-at-a-time.
8746 (output_mi_thunk): Delete inefficient code generation.
8747 (output_function_profiler): Don't use rs6000_output_load_toc_table.
8748 * rs6000.h: Declare rs6000_emit_load_toc_table,
8749 rs6000_allocate_stack_space, stmw_operation. Don't declare
8750 rs6000_output_load_toc_table.
8751 * rs6000.md (elf_high): Allow register 0, but discourage it
8753 (elf_low): Support loading into register 0.
8754 (load_toc_aix_si): New pattern.
8755 (load_toc_aix_di): New pattern.
8756 (load_toc_v4_pic_si): New pattern.
8757 (load_toc_v4_pic_di): New pattern.
8758 (load_toc_v4_PIC_1): New pattern.
8759 (load_toc_v4_PIC_1b): New pattern.
8760 (load_toc_v4_PIC_2): New pattern.
8761 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
8762 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
8763 (prologue): New expander.
8764 (movesi_from_cr): New pattern.
8765 (stmw): New pattern.
8766 (save_fpregs_si): New pattern.
8767 (save_fpregs_di): New pattern.
8769 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8771 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
8776 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8778 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
8780 (movsi_got_internal): Likewise.
8781 (movsi_got_internal+1): Likewise.
8782 (set_sp): 'unspec 7' does a SImode clobber.
8784 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8786 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
8787 allocate a stack temporary.
8788 (floatsidf2_internal): Likewise.
8789 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
8791 (floatunssidf2): Don't use the fpmem "register", just
8792 allocate a stack temporary.
8793 (floatunssidf2_internal): Likewise.
8794 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
8796 (floatsidf2_loadaddr): Delete.
8797 (floatsidf2_store1): Delete.
8798 (floatsidf2_store2): Delete.
8799 (floatsidf2_load): Delete.
8800 (fix_truncdfsi2): Don't use the fpmem "register", just
8801 allocate a stack temporary.
8802 (fix_truncdfsi2_internal_si): Delete.
8803 (fix_truncdfsi2_internal_di): Delete.
8804 (fix_truncdfsi2_internal): New insn.
8805 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
8806 (fix_truncdfsi2_store): Delete.
8807 (fix_truncdfsi2_load): Delete.
8808 (fctiwz): Produce gen_fctiwz.
8810 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8812 * eabi.h (INVOKE__main): Define.
8813 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
8815 (rs6000_emit_prologue): Likewise.
8816 * rs6000.h (struct rs6000_stack): Don't keep track of whether
8817 this is the main program.
8819 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8821 * rs6000.c (rs6000_va_arg): Delete some unused variables.
8823 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8825 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
8826 goes after the argument.
8828 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8830 * rs6000.md: Document 'unspec' values used.
8831 (epilogue): New expander.
8832 (movesi_to_cr_one): New expander.
8833 (movesi_to_cr and following): New pattern.
8835 (return_internal_si): New pattern.
8836 (return_internal_di): New pattern.
8837 (return_and_restore_fpregs_si): New pattern.
8838 (return_and_restore_fpregs_di): New pattern.
8839 * rs6000.h: Declare new functions.
8840 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
8841 rather than rs6000_calls_p.
8842 (rs6000_makes_calls): Delete.
8843 (lmw_operation): New function.
8844 (mtcrf_operation): New function.
8845 (rs6000_emit_epilogue): New function.
8846 (output_epilog): Call rs6000_emit_epilogue and final if
8847 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
8849 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8851 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
8852 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
8853 * aix.h (SUBTARGET_SWITCHES): Document switches.
8854 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
8855 sched-prolog and sched-epilog the same. Document all the
8857 (TARGET_OPTIONS): No longer allow -mdebug-.
8859 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8861 * rs6000.h (ASM_FILE_END): Move to aix.h.
8862 (EXTRA_SECTIONS): Move to aix.h.
8863 (READONLY_DATA_SECTION): Move to aix.h.
8864 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
8865 (SELECT_SECTION): Move to aix.h.
8866 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
8867 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
8868 (LINK_REGISTER_REGNUM): New definition.
8869 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
8870 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
8872 * sysv4.h: Delete the code between the inclusion of rs6000.h
8874 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
8875 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
8876 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
8877 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
8878 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
8879 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
8880 (fix_truncdfsi2_internal_di): New pattern.
8881 (fix_truncdfsi2_store): The second arg here is Pmode too.
8882 (fix_truncdfsi2_load): The second arg here is Pmode too.
8883 (tablejumpdi): Now that switch tables hold only SImode values,
8884 gcc needs to know how to add them to the pc which is DImode.
8885 * rs6000.c (rs6000_stack_info): Use symbolic name for
8886 LINK_REGISTER_REGNUM.
8887 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
8888 (output_toc): Delete unused variables s1 and s2.
8889 (output_ascii): Use fputs not fprintf on a variable string.
8891 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8893 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8894 * aix43.h: Revert Aug 2 change.
8895 (HAS_INIT_SECTION): Define, not visible yet.
8896 (LD_INIT_SWITCH): Define, not visible yet.
8897 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8899 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8901 * config/rs6000/rtems.h: Include config/rtems.h.
8903 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8905 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8906 (SLOW_UNALIGNED_ACCESS): Define.
8907 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8908 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8909 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8910 (toc_section): Likewise and .toc pseudo-op.
8911 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8913 (TEXT_SECTION_ASM_OP): Likewise.
8914 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8917 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8919 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
8920 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8923 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8925 * rs6000.h: Move more stuff from here...
8927 * sysv4.h: Cleanup accordingly.
8928 * netware.h: Likewise
8930 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8932 * rs6000.h: Continue cleanup.
8935 * netware.h: Likewise.
8937 * sysv4.h: Likewise.
8938 * win-nt.h: Likewise.
8940 * rs6000.h (TARGET_SWITCHES): Add descriptions.
8941 (TARGET_OPTIONS): Likewise.
8943 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
8944 (SUBTARGET_OPTIONS): Likewise.
8946 * rs6000.md: Fix compile time warnings.
8948 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8950 vxworks patches from the Cygnus tree originally by
8951 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
8952 <vmakarov@cygnus.com>.
8953 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
8954 (ENDFILE_SPEC): Likewise.
8955 (LIB_VXWORKS_SPEC): New macro.
8956 (STARTFILE_VXWORKS_SPEC): New macro.
8957 (ENDFILE_VXWORKS_SPEC): New macro.
8958 (LINK_START_VXWORKS_SPEC): New macro.
8959 (LINK_OS_VXWORKS_SPEC): New macro.
8960 (CPP_OS_VXWORKS_SPEC): New macro.
8961 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
8962 * vxppc.h: Rewrite to use proper configuration method.
8963 * vxppcle.h: New file.
8964 * ../../configure.in: Add powerpcle-wrs-vxworks*.
8965 * ../../configure: Rebuilt.
8967 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8969 Lots of changes to rs6000.h, sysv4.h, aix.h,
8970 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
8971 with the aim that rs6000.h is the first header
8972 included and the others override it.
8975 * x-aix41-gld: Remove.
8977 * x-aix41: Remove target-specific switches, and don't specify
8978 -Wl,-bbigtoc as we don't need it any more.
8979 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
8980 Use t-aix43 for AIX 4.3 and above.
8981 * ../../configure: Regenerated.
8983 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
8984 options, that don't do anything yet.
8985 (MASK_SCHED_PROLOG): New macro.
8986 (MASK_SCHED_EPILOG): New macro.
8987 (TARGET_SCHED_PROLOG): New macro.
8988 (TARGET_SCHED_EPILOG): New macro.
8990 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8992 * rs6000.c: Correct comment, the `minimal' TOCs are actually
8993 one per translation unit, not one per function.
8994 (output_toc): Also do duplicate constant elimination
8995 for per-translation-unit TOCs.
8997 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
8998 a comment explaining _exactly_ when this pattern gets used.
8999 (builtin_setjmp_receiver): New pattern for better clarity.
9000 (init_v4_pic): Move it into a section dealing with TOC registers.
9002 1999-12-30 Geoff Keating <geoffk@cygnus.com>
9004 * rs6000.c (toc_hash_table): New variable.
9005 (rs6000_hash_constant): New function.
9006 (toc_hash_function): New function.
9007 (toc_hash_eq): New function.
9008 (toc_hash_mark_entry): New function.
9009 (toc_hash_mark_table): New function.
9010 (output_toc): Don't output duplicate TOC entries in
9012 (rs6000_add_gc_roots): Add the hash table as a GC root.
9013 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
9014 where they clearly shouldn't be. This may need to be fixed
9015 later when there is a GNU ar for AIX.
9016 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
9017 Don't define BOOT_LDFLAGS as it is now not necessary.
9019 1999-12-29 Geoff Keating <geoffk@cygnus.com>
9021 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
9022 for va_list on AIX. Use unsigned_char_type_node rather than
9023 constructing our own version on svr4.
9025 1999-12-17 Geoff Keating <geoffk@cygnus.com>
9027 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
9028 since patently it's not.
9030 1999-12-08 Geoff Keating <geoffk@cygnus.com>
9032 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
9033 define_expand/define_insn pair, and handle restore of the
9034 SVR4 -fpic register.
9036 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
9038 * acconfig.h (HAVE_GAS_WEAK): New define.
9039 * configure.in (assembler weak support): Check for .weak support.
9040 * config.in, configure: Rebuilt.
9041 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
9042 HAVE_GAS_WEAK is defined.
9044 2000-03-15 Nick Clifton <nickc@cygnus.com>
9046 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
9049 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
9051 * cppfiles.c (open_include_file): New function.
9052 (find_include_file, cpp_read_file): Use it.
9054 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9056 * cpphash.c (dump_hash_helper): Take the slot, not the element.
9058 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
9060 * flow.c (verify_flow_info): Check for unconditional return.
9062 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
9064 * config/ia64/ia64.md (restore_stack_nonlocal): New.
9065 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
9066 (__ia64_restore_stack_nonlocal): New.
9067 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
9069 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9071 * cpphash.c (collect_formal_parameters): Do not complain about
9072 parameter names that just start with `__VA_ARGS__'.
9074 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
9076 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
9077 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
9078 * i386.c (pentiumpro_cost): Set mul cost to 4.
9079 (x86_use_movx): Set for PPro.
9081 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
9083 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
9084 STACK_BOUNDARY for empty frames now.
9086 2000-03-14 Mark Mitchell <mark@codesourcery.com>
9088 * stor-layout.c (layout_union): Remove.
9089 (layout_union_field): New function, split out from layout_union.
9090 (finish_union_layout): Likewise.
9091 (layout_field): Handle unions by calling layout_union_field.
9092 (finish_record_layout): Handle unions.
9093 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
9094 QUAL_UNION_TYPE handling.
9096 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
9098 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
9099 end of basic block is jump_insn, not barrier; use create_basic_block
9100 instead of creating basic block by hand.
9102 2000-03-14 Jason Eckhardt <jle@cygnus.com>
9104 * flow.c (reorder_basic_blocks): Account for barriers when writing
9105 over NEXT_INSN (last_bb->end).
9106 (verify_flow_info): Add check for missing barriers.
9108 2000-03-14 Greg McGary <gkm@gnu.org>
9110 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
9111 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
9112 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
9113 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
9114 __unbounded, __unbounded__): New keywords.
9115 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
9116 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
9117 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
9119 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
9121 * cselib.h: New file.
9122 * alias.c: Include "cselib.h".
9123 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
9124 MEMs as two new arguments.
9125 (get_addr): New static function.
9126 (find_base_term): Handle VALUEs.
9127 (memrefs_conflict_p): Likewise.
9128 (true_dependence): Call get_addr on the addresses.
9129 Call fixed_scalar_and_varying_struct_p with addresses that have been
9130 passed through get_addr and canon_rtx.
9131 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
9132 with true_dependence.
9133 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
9134 * loop.c: Include "cselib.h".
9135 (load_mems): Process extended basic block that enters the loop with
9136 cselib. Use that information to change initialization of the shadow
9137 register so that a constant equivalence is seen by later passes.
9138 * reload1.c: Include "cselib.h".
9139 (reload_cse_invalidate_regno): Delete function.
9140 (reload_cse_mem_conflict_p): Likewise.
9141 (reload_cse_invalidate_mem): Likewise.
9142 (reload_cse_invalidate_rtx): Likewise.
9143 (reload_cse_regno_equal_p): Likewise.
9144 (reload_cse_check_clobber): Likewise.
9145 (reload_cse_record_set): Likewise.
9146 (reg_values): Delete static variable.
9147 (invalidate_regno_rtx): Likewise.
9148 (reload_cse_delete_noop_set): New static function.
9149 (reload_cse_simplify): New static function, broken out of
9151 (reload_cse_noop_set_p): Delete unused argument INSN.
9152 Just call rtx_equal_for_cselib_p on set source and destination.
9153 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
9154 reload_cse_delete_noop_set. Delete code to keep track of values; use
9155 cselib functions instead. Delete code to push/pop obstacks.
9156 (reload_cse_simplify_set): Use cselib to find equivalent values.
9157 Delete code to push/pop obstacks.
9158 (reload_cse_simplify_operands): Likewise.
9159 * rtl.def (VALUE): New rtx code.
9160 * rtl.h (union rtunion_def): New elt rt_cselib.
9161 (X0CSELIB, CSELIB_VAL_PTR): New macros.
9162 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
9163 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
9164 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
9165 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
9166 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
9167 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
9168 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
9169 cselib_record_set, cselib_record_sets): New static functions.
9170 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
9171 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
9172 references_value_p): New functions.
9173 (MAX_USELESS_VALUES, REG_VALUES): New macros.
9174 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
9175 n_useless_values, reg_values, callmem, cselib_obstack,
9176 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
9177 New static variables.
9178 * varray.h (union varray_data_tag): New elt te.
9179 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
9180 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
9183 2000-03-14 Nick Clifton <nickc@cygnus.com>
9185 * gcc.c (do_spec_1): Catch the case where %* is used in a
9186 substitution pattern, but it has not been initialised.
9187 Issue a meaningful error message if an unrecognised operator
9188 is encountered in a spec string.
9190 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
9192 * function.c (prepare_function_start): Correctly initialize
9193 cfun->stack_alignment_needed.
9195 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
9197 * cppfiles.c (find_include_file): Don't assume nshort is a
9200 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
9202 * configure.in (hppa configurations): Add pa32-regs.h to the
9203 list of tm files as appropriate.
9204 * configure: Rebuilt.
9205 * pa.c (compute_frame_size): Remove explicit knowledge about FP
9207 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
9208 (fmpyaddoperands, fmpysuboperands): Likewise.
9209 * pa.h: Remove various definitions which depend on knowing
9210 how registers are numbered.
9211 * pa32-regs.h: New file with PA32 register numbering specific
9214 2000-03-14 Richard Henderson <rth@cygnus.com>
9216 * regmove.c (combine_stack_adjustments): New.
9217 (stack_memref_p, single_set_for_csa): New.
9218 (free_csa_memlist, record_one_stack_memref): New.
9219 (try_apply_stack_adjustment): New.
9220 (combine_stack_adjustments_for_block): New.
9221 * rtl.h (combine_stack_adjustments): Declare.
9222 * toplev.c (rest_of_compilation): Call it.
9224 * i386.md: Revert 2000-01-16 change.
9226 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9228 * gccbug.in: Add web category, gcc specific classes.
9230 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
9232 * stor-layout.c (finalize_record_size): Fix typo.
9234 2000-03-14 Stan Shebs <shebs@apple.com>
9236 * c-typeck.c (c_alignof): Error on incomplete types.
9237 * extend.texi (Alignment): Document this.
9239 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9241 * cppfiles.c: Include mkdeps.h.
9242 (find_include_file, read_include_file): Remove _cpp_ prefix
9243 from name, make static.
9244 (_cpp_execute_include): New function, broken out of
9247 * cpplib.c: Don't include mkdeps.h.
9248 (struct directive): Remove type field. Reorder entries. The
9249 function takes only one argument.
9250 (struct if_stack): Make type field an int.
9251 (directive_table): Rename to dtable. Generate it, the
9252 prototypes of the directive handlers, and the enum for the
9253 directive numbers, from a template macro.
9254 (do_ifndef, do_include_next, do_import): New functions.
9255 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
9256 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
9257 do_ident, do_assert, do_unassert, do_sccs): Take only one
9259 (do_sccs): Define always, but alter behavior based on
9261 (_cpp_handle_directive, consider_directive_while_skipping):
9262 Restructure for new directive table layout.
9264 (pass_thru_directive): Take a directive number, not a pointer
9265 to a struct directive.
9266 (parse_include): New function, broken out of do_include.
9267 (do_include, do_import, do_include_next): Use parse_include
9268 and _cpp_execute_include.
9269 (do_elif, do_else): Test for T_ELSE specifically when checking
9270 for #elif/#else after #else.
9271 (parse_ifdef): New function, broken out of do_ifdef.
9272 (validate_else): Expect a name arg without a leading #.
9273 (if_directive_name): Delete.
9274 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9275 directive handlers with only one argument.
9277 * cpphash.h: Update prototypes.
9278 (enum node_type): Remove entries for directives.
9279 * Makefile.in: Update dependencies.
9281 * cpphash.c (dump_hash_helper): Only dump nodes of type
9282 T_MACRO. Emit a newline after each definition.
9284 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9286 * gccbug.in: New file.
9287 * configure.in (all_outputs): Add gccbug.
9288 * Makefile.in (install-common): Install gccbug.
9289 (GCCBUG_INSTALL_NAME): New variable.
9290 * configure: Rebuilt.
9292 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9294 * function.c (put_var_into_stack): Use type_for_mode to calculate
9295 part_type. Use MEM_SET_IN_STRUCT_P.
9296 * expr.c (store_field): Handle CONCAT.
9297 (store_constructor): Use fields_length.
9298 * tree.c (fields_length): New fn.
9299 * tree.h: Declare it.
9301 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9303 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9304 (cpplex.o): New target.
9305 * po/POTFILES.in: Add cpplex.c.
9307 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9308 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9309 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9310 skip_block_comment, skip_line_comment, skip_comment,
9311 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9312 _cpp_parse_name, skip_string, parse_string,
9313 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9314 _cpp_get_directive_token, find_position,
9315 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9316 (maybe_macroexpand, _cpp_lex_token): New functions.
9318 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9319 parse_goto_mark): Delete.
9320 (_cpp_handle_eof): New function.
9321 (_cpp_handle_directive): Rename from handle_directive.
9322 (_cpp_output_line_command): Rename from output_line_command.
9323 (do_if, do_elif): Call _cpp_parse_expr directly.
9324 * cppfiles.c (_cpp_read_include_file): Don't call
9325 init_input_buffer here.
9326 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9327 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9328 here; pop the token_buffer and skip the rest of the line here.
9329 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9332 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9334 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9335 CPP_GOTO_MARK): New macros.
9336 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9337 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9338 _cpp_read_and_prescan, _cpp_init_input_buffer,
9339 _cpp_grow_token_buffer, _cpp_get_directive_token,
9340 _cpp_handle_directive, _cpp_handle_eof,
9341 _cpp_output_line_command): Prototype them here.
9342 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9343 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9344 quote_string, output_line_command): Remove.
9346 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9348 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9349 whether it is too large we must also verify that it isn't negative.
9351 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9353 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9354 (movsi_zero_liveg0): Remove.
9355 (movsf_insn_novis_liveg0): Remove.
9357 (negsi2_not_liveg0): Rename to negsi2.
9358 (one_cmplsi2): Remove.
9359 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9360 (one_cmplsi2_liveg0): Remove.
9361 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9362 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9363 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9364 (PREDICATE_CODES): Remove zero_operand.
9365 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9366 TARGET_BROKEN_SAVERESTORE.
9367 (zero_operand): Remove.
9368 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9369 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9371 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9372 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9373 TARGET_BROKEN_SAVERESTORE): Remove.
9374 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9376 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9378 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9381 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9383 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9385 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9386 truncating a string. Don't assume tokens are nul terminated.
9387 Problem noted by Andreas Jaeger <aj@suse.de>
9389 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9391 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9392 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9393 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9395 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9397 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9398 STRUCTURE_SIZE_BOUNDARY.
9400 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9402 * tree.h (record_layout_info_s): New structure.
9403 (record_layout_info): New type.
9404 (new_record_layout_info): New function.
9405 (layout_field): Likewise.
9406 (finish_record_layout): Likewise.
9407 * stor-layout.c (layout_record): Remove.
9408 (new_record_layout_info): New function.
9409 (layout_field): New function, broken out from layout_record.
9410 (finalize_record_size): Likewise.
9411 (compute_record_mode): Likewise.
9412 (finalize_type_size): New function, broken out from layout_type.
9413 (finish_record_layout): Likewise.
9414 (layout_type): Use them.
9416 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9418 * cpphash.c: Don't include version.h.
9419 (special_symbol) [case T_VERSION]: Look for the string in
9420 hp->value.cpval; don't use version_string.
9421 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9422 __VERSION__ to version_string.
9423 * Makefile.in (cpphash.o): Update deps.
9425 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9427 Convert cpplib to use libiberty/hashtab.c.
9429 * cpplib.h (struct cpp_reader): Make hashtab and
9430 all_include_files of type 'struct htab *'. Delete HASHSIZE
9431 and ALL_INCLUDE_HASHSIZE macros.
9433 * cpphash.h: Update prototypes.
9434 (struct hashnode): Remove next, prev, and bucket_hdr members.
9435 Make length a size_t. Add hash member.
9436 (struct ihash): Remove next member. Add hash member. Make
9437 name a flexible array member.
9439 * cppfiles.c: Include hashtab.h.
9440 (include_hash): Delete.
9441 (IHASHSIZE): New macro.
9442 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9443 (cpp_included): Do the hash lookup here.
9444 (_cpp_find_include_file): Rewrite.
9445 (cpp_read_file): Put the "fake" hash entry into the hash
9446 table. Honor the control_macro, if it turns out we've seen
9447 the file before. Don't push the buffer here.
9448 (_cpp_read_include_file): Push the buffer here.
9449 (OMODES): New macro. Use it whenever we call open(2).
9451 * cpphash.c: Include hashtab.h.
9452 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9453 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9454 _cpp_lookup_slot): New functions.
9455 (HASHSIZE): new macro.
9456 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9457 (_cpp_lookup): Use hashtab.h routines.
9459 * cppinit.c: Include hashtab.h.
9460 (cpp_reader_init): Call _cpp_init_macro_hash and
9461 _cpp_init_include_hash. Don't allocate hashtab directly.
9462 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9463 pfile->all_include_files.
9464 (initialize_builtins): Use _cpp_make_hashnode and
9465 htab_find_slot to add hash entries.
9466 (cpp_finish): Just call _cpp_dump_macro_hash.
9467 * cpplib.c: Include hashtab.h.
9468 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9469 create hash entries.
9470 (do_pragma_poison, do_assert): Likewise.
9471 (do_include): Don't push the buffer here. Don't increment
9472 system_include_depth unless _cpp_read_include_file succeeds.
9473 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9475 (do_pragma_implementation): Use alloca to create copy.
9477 * Makefile.in: Update dependencies.
9479 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9481 * cppinit.c (cl_directive_handler): More K&R fixing.
9483 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9485 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9487 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9489 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9491 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9492 Change from char[] to macros.
9494 2000-03-12 Neil Booth <NeilB@earthling.net>
9496 * cppinit.c (cpp_start_read): Update indirect function
9499 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9501 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9504 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9505 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9507 2000-03-11 Neil Booth <NeilB@earthling.net>
9509 * cppinit.c (struct pending option): Replace undef with a
9510 pointer to a directive handling routine.
9511 (struct cpp_pending): Replace separate assert_ and define_
9512 lists with one directive_ list.
9513 (new_pending_define): Rename new_pending_directive. Extra
9514 argument is the directive's handling routine.
9515 (handle_option): Update to use new_pending_directive.
9517 2000-03-11 Neil Booth <NeilB@earthling.net>
9519 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9520 remap_filename, _cpp_read_include_file, actual_directory,
9521 hack_vms_include_specification): Replace bcopy(), index() etc
9522 calls. Add casts to some allocations. Make some variables
9523 pointers to const [unsigned] char.
9524 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9525 collect_formal_parameters): Similarly.
9526 * cppinit.c (struct pending_option, append_include_chain,
9527 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9528 cpp_start_read, new_pending_define, handle_option): Similarly.
9529 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9530 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9531 do_pragma_implementation, detect_if_not_defined,
9532 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9533 do_assert, do_unassert): Similarly.
9534 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9535 function prototypes.
9536 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9538 2000-03-10 Richard Henderson <rth@cygnus.com>
9540 * builtins.c (expand_builtin_strlen): Revert last change.
9541 Use emit_insn_before if we're at the beginning of a sequence.
9543 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9545 * builtins.c (expand_builtin_strlen): Make sure that we have something
9546 at the beginning of the sequence.
9548 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9551 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9553 2000-03-10 Richard Henderson <rth@cygnus.com>
9555 * except.c (can_throw): Use INTVAL on a CONST_INT.
9556 (reachable_handlers): Likewise.
9557 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9559 2000-03-10 Andreas Jaeger <aj@suse.de>
9561 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9562 MD_STARTFILE_PREFIX since those are not needed on linux.
9563 (ASM_FILE_START): New, from mips/gnu.h.
9565 2000-03-09 Richard Henderson <rth@cygnus.com>
9566 Alex Samuel <samuel@codesourcery.com> and others
9568 * Makefile.in (ssa.o): New rule.
9570 (STAGESTUFF): Add *.ssa and *.ussa.
9571 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9572 * rtl.def (PHI): New RTL expression.
9573 * rtl.h (clear_log_links): New declaration.
9574 (convert_to_ssa): Likewise.
9575 (convert_from_ssa): Likewise.
9576 * flow.c (split_edge): If the entry node falls through to the
9577 split edge's source block, split the entry edge.
9578 (clear_log_links): New function.
9579 * toplev.c (ssa_dump): New variable.
9580 (flag_ssa): Likewise.
9581 (f_options): Add "ssa".
9582 (compile_file): Create SSA dump files.
9583 (rest_of_compilation): Go to and from SSA if enabled.
9584 (decide_d_option): Handle -de for SSA dump files.
9587 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9589 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9592 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9594 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9596 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9598 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9599 (MD_STARTFILE_PREFIX_1): New macro.
9601 2000-03-09 Robert Lipe <robertl@sco.com>
9603 * config/ia64/ia64.c: Include system.h.
9605 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9607 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9608 (init_eh_nesting_info): Likewise.
9610 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9611 (TREE_NOTHROW): Rename from TREE_RAISES.
9612 * toplev.c (rest_of_compilation): Set it.
9613 * print-tree.c (print_node): Adjust.
9614 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9615 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9616 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9617 REG_EH_REGION note as appropriate.
9618 (libfunc_nothrow): New fn.
9619 (emit_library_call, emit_library_call_value): Use it.
9620 (expand_call): Check TREE_NOTHROW.
9622 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9623 DECL_ASSEMBLER_NAME.
9625 2000-03-09 Andreas Jaeger <aj@suse.de>
9627 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9628 (TARGET_MEM_FUNCTIONS): Define.
9630 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9632 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9634 * except.c (can_throw): See through a SEQUENCE.
9635 (nothrow_function_p): New fn.
9636 * except.h: Declare it.
9637 * function.c (current_function_nothrow): New var.
9638 (prepare_function_start): Initialize it.
9639 * output.h: Declare it.
9640 * toplev.c (rest_of_compilation): Set it.
9641 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9643 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9645 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9646 match. (cpp_compare_defs): Count the nul separator when
9647 advancing over argument names.
9649 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9651 * recog.c (preprocess_constraints): Matching constraints affect
9652 same alternative/different operand, not same operand/different
9655 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9656 register and a constant specially.
9658 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9660 * libgcc2.h: New file.
9661 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9663 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9665 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9666 * configure: Regenerate.
9669 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9671 * Makefile.in (LIBCPP_DEPS): New macro.
9672 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9674 * cpperror.c: Include cpphash.h.
9675 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9677 (lex): Don't use CPP_WARN_UNDEF.
9678 (_cpp_parse_expr): Return an int, the truth value.
9679 * cppfiles.c: Include cpphash.h.
9680 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9681 * cppinit.c (include_defaults_array): Disentangle.
9682 (cpp_cleanup): Don't free the if stack here.
9683 (cpp_finish): Pop off all buffers, not just one.
9684 * cpplib.c (eval_if_expr): Return int.
9685 (do_xifdef): Rename do_ifdef.
9686 (handle_directive): Don't use CPP_PREPROCESSED.
9687 (cpp_get_token): Don't use CPP_C89.
9688 * fix-header.c: Don't use CPP_OPTIONS.
9690 * cpplib.h: Move U_CHAR, enum node_type, struct
9691 file_name_list, struct ihash, is_idchar, is_idstart,
9692 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9693 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9694 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9695 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9696 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9697 of _cpp_simplify_pathname, _cpp_find_include_file,
9698 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9699 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9701 Change all uses of U_CHAR to be unsigned char instead.
9702 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9704 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9706 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
9707 (dwarf2out_begin_prologue): Set it.
9708 (output_call_frame_info): Don't emit EH unwind info for leaves.
9710 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
9711 can occur outside of an EH region.
9712 * except.c: Correct comments about rethrow behavior.
9713 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
9715 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
9717 * flow.c (make_edges): Always call make_eh_edge for calls.
9719 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9721 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
9722 (struct cpp_buffer): Remove fname and underflow fields.
9723 (struct cpp_reader): Remove get_token field.
9724 (struct include_hash): Rename to struct ihash. Add typedef to
9726 (struct if_stack): Remove fname field.
9727 (IF_STACK_FRAME): Rename to IF_STACK.
9729 * cpperror.c (print_containing_files): Trust that there are no
9730 macro buffers below the top file buffer.
9731 * cppfiles.c: Replace all references to 'struct include_hash'
9732 with 'IHASH'. Rename initialize_input_buffer to
9733 init_input_buffer. Don't set or reference cpp_buffer->fname,
9734 use buffer->ihash->name instead.
9735 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
9736 not CPP_NULL_BUFFER.
9737 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
9738 IF_STACK_FRAME, IHASH not struct include_hash.
9739 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
9740 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
9741 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
9742 references to cpp_buffer->fname (delete entirely, or use
9743 ->ihash->name instead) and IF_STACK->fname.
9744 (cpp_push_buffer): Don't set new->underflow.
9745 (do_include): Use cpp_file_buffer.
9747 * cpphash.c (collect_formal_parameters): Remove duplicate
9748 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
9749 used as a macro argument name. Don't append "..." to namebuf
9750 for varargs macros. After we're done scanning, go through
9751 namebuf and make it NUL separated, not comma separated.
9752 (_cpp_compare_defs): Remove register tag from variables.
9753 Expect defn->argnames to be NUL separated.
9754 (_cpp_dump_definition): Expect defn->argnames to be NUL
9755 separated and in forward order.
9756 * cpphash.h: Update documentation of argnames field.
9758 2000-03-08 Richard Henderson <rth@cygnus.com>
9760 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
9761 to fail. Don't pre-expand the source operand.
9763 * i386.md (strlensi): Initialize eoschar and align before use.
9765 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9767 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
9768 CONSTRUCTOR element.
9770 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9772 * mips.c (mips_expand_prologue): If the last
9773 named argument is the vararg marker "va_list", treat it as
9774 an unnamed argument.
9776 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
9778 * dbxout.c (dbxout_parms): When correcting for promoted
9779 big-endian parameters, use the mode of the DECL_RTL rather
9780 than UNITS_PER_WORD.
9782 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
9784 * c-common.h (make_fname_decl): Declare.
9785 * c-common.c (make_fname_decl): Define.
9786 (declare_hidden_char_array): Remove.
9787 (declare_function_name): Use make_fname_decl.
9788 * c-decl.c (c_make_fname_decl): New function.
9789 (init_decl_processing): Set make_fname_decl.
9791 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
9793 * cccp.c (handle_directive): Initialize backslash_newlines_p.
9795 2000-03-07 Philipp Thomas <pthomas@suse.de>
9797 * po/POTFILES.in: Remove cppalloc.c from file list.
9799 2000-03-07 Steve Chamberlain <sac@pobox.com>
9801 * pj.c (pj_expand_prologue): current_function->args_info is
9802 now current_function_args_info.
9804 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
9805 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
9806 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
9808 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9810 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
9811 output as hexadecimal rather than the default octal.
9813 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9815 * cpphash.c (special_symbol): Fix thinko in previous commit.
9817 2000-03-07 Neil Booth <NeilB@earthling.net>
9819 * cppexp.c (struct operation, left_shift, right_shift,
9820 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
9821 "int"s to "unsigned int"s.
9822 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
9824 * cpplib.h: Update for above.
9825 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
9826 returned from allocations.
9828 * cppinit.c (opt_comp, parse_options): New functions.
9829 (handle_option): Use parse_option to parse a single command
9830 line option, that possibly takes an argument.
9831 (cpp_handle_options): Sort the array of command line options on
9832 first invocation (non-ASCII hosts only).
9833 (print_help): Update.
9835 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9837 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
9838 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
9840 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
9842 * cppinit.c (cpp_cleanup): Free imp->nshort also.
9844 * cpperror.c (cpp_print_containing_files,
9845 cpp_print_file_and_line, v_cpp_message): Rename to
9846 print_containing_files, print_file_and_line, and v_message.
9847 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
9848 to _cpp_parse_expr, parse_escape, and lex.
9849 (parse_charconst): Remove broken multibyte support.
9850 * cppfiles.c (include_hash): Make static.
9851 (cpp_included): New function.
9852 (merge_include_chains, find_include_file, finclude,
9853 simplify_pathname): Rename to _cpp_merge_include_chains,
9854 _cpp_find_include_file, _cpp_read_include_file, and
9855 _cpp_simplify_pathname.
9856 * cpphash.c (cpp_lookup, free_definition, delete_macro,
9857 cpp_install, create_definition, macroexpand, compare_defs,
9858 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
9859 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
9860 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
9861 * cppinit.c (cpp_handle_option): Rename to handle_option, make
9863 * cpplib.c: Remove extern prototype of cpp_parse_expr.
9865 * cpphash.h: Update prototypes.
9866 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
9868 2000-03-07 Andrew Haley <aph@cygnus.com>
9870 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
9871 PTRDIFF_TYPE should be based solely on Pmode.
9874 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9876 * rtl.h (rtunion_def): Constify member `rtstr'.
9877 (emit_line_note_after, emit_line_note, emit_line_note_force,
9878 emit_note, decode_asm_operands): Constify.
9880 * cse.c (canon_hash): Likewise.
9882 * dbxout.c (dbxout_block): Likewise.
9884 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
9885 v_warning_for_asm): Likewise.
9887 * dwarfout.c (function_start_label): Likewise.
9889 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
9890 emit_line_note_force): Likewise.
9892 * final.c (last_filename, asm_insn_count, final_scan_insn,
9893 output_source_line): Likewise.
9895 * function.h (struct emit_status): Likewise.
9897 * gcse.c (hash_expr_1): Likewise.
9899 * genattr.c (gen_attr, main): Likewise.
9901 * genattrtab.c (struct function_unit, current_alternative_string,
9902 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
9903 attr_numeral, check_attr_test, check_attr_value,
9904 convert_set_attr_alternative, convert_set_attr,
9905 compute_alternative_mask, simplify_by_exploding, gen_attr,
9906 gen_unit): Likewise.
9908 * genflags.c (gen_insn): Likewise.
9910 * gengenrtl.c (type_from_format): Likewise.
9912 * genopinit.c (gen_insn): Likewise.
9914 * genoutput.c (n_occurrences, process_template, process_template):
9917 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9920 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9923 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
9924 ggc_set_mark, ggc_get_size): Likewise.
9926 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
9928 * optabs.c (init_one_libfunc): Likewise.
9930 * output.h (assemble_start_function): Likewise.
9932 * recog.c (decode_asm_operands): Likewise.
9934 * toplev.c (rest_of_compilation): Likewise.
9936 * tree.h (emit_line_note_after, emit_line_note,
9937 emit_line_note_force): Likewise.
9939 * varasm.c (asm_output_bss, asm_output_aligned_bss,
9940 asm_emit_uninitialised, assemble_start_function,
9941 assemble_variable, const_hash, compare_constant_1,
9942 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
9944 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
9946 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
9948 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
9950 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
9952 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
9953 arm_dllimport_name_p): Likewise.
9955 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
9958 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
9960 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9962 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
9963 arm_mark_dllexport, arm_mark_dllimport,
9964 arm_pe_encode_section_info): Likewise.
9966 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
9967 ASM_FINISH_DECLARE_OBJECT): Likewise.
9969 * arm/thumb.c (thumb_function_prologue): Likewise.
9971 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
9973 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9975 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
9977 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
9979 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
9981 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9983 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
9984 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
9986 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
9988 * i386/i386.c (asm_output_function_prefix): Likewise.
9990 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
9992 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9994 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
9996 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
9997 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
9998 ASM_OUTPUT_SECTION_NAME): Likewise.
10000 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
10002 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
10004 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
10006 * m32r/m32r.c (m32r_encode_section_info): Likewise.
10008 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10010 * mcore/mcore.c (mcore_encode_section_info): Likewise.
10012 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10014 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10016 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10018 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
10020 * mips/mips.md (movdi, movsi): Likewise.
10022 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10024 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10026 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10028 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10029 ASM_OUTPUT_ASCII): Likewise.
10031 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
10032 output_mi_thunk, output_toc): Likewise.
10034 * rs6000/rs6000.md (movsi): Likewise.
10036 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
10038 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
10040 * v850/v850.c (print_operand, print_operand_address,
10041 v850_encode_data_area): Likewise.
10043 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
10045 * config/mips/mips.md (zero_extendsidi2): Always force operand
10046 one to memory for mips16.
10048 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10050 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
10051 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
10052 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
10053 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
10054 (min_precision): Result is unsigned.
10055 (add_double, neg_double, mul_double): Low word is unsigned.
10056 (lshift_double, rshift_double, lrotate_double): Likewise.
10057 (rrotate_double, div_and_round_double): Likewise.
10058 (tree_floor_log2, compare_tree_int): New functions.
10059 (preserve_rtl_expr_temps): New declaration.
10060 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
10061 (decl_attributes): Use tree_log2 to find alignment.
10062 Check for TREE_INT_CST_HIGH for format args.
10063 (min_precision): Now unsigned.
10064 Use tree_floor_log2.
10065 (truthvalue_conversion): Delete long-disabled code.
10066 * c-decl.c (finish_struct): Clean up tests on field width.
10067 (finish_function): Use compare_tree_int.
10068 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
10069 * c-typeck.c (comptypes): Use tree_int_cst_equal.
10070 (default_conversion, digest_init): Use compare_tree_int.
10071 (build_binary_op): Use integer_all_onesp and compare_tree_int.
10072 Fix type errors in forming masks.
10073 * calls.c (initialize_argument_information): Use compare_tree_int.
10074 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10075 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
10076 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
10077 (store_field): Use compare_tree_int.
10078 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
10079 (expand_expr, case ARRAY_REF): Use compare_tree_int.
10080 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
10081 (do_store_flag): Use compare_tree_int.
10082 * fold-const.c (encode, decode): Low part is always unsigned.
10083 (force_fit_type, add_double, neg_double, mul_double): Likewise.
10084 (lshift_double, rshift_double, lrotate_double): Likewise.
10085 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
10086 (fold_convert): Use compare_tree_int.
10087 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
10088 (invert_truthvalue, case INTEGER_CST): Likewise.
10089 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
10090 * mkdeps.c (deps_dummy_targets): Make I unsigned.
10091 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
10092 (lshift_double, rshift_double, lrotate_double, rrotate_double):
10094 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
10095 (expand_end_case): Use compare_tree_int.
10096 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10097 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
10098 (layout_decl): Likewise.
10099 (layout_record, layout_union): Make sizes unsigned.
10100 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
10101 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
10102 * tree.c (struct type_hash): hashcode is unsigned.
10103 (build_type_attribute_variant, type_hash_list): Likewise.
10104 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
10105 (attribute_hash_list, build_array_type, build_method_type): Likewise.
10106 (build_complex_type): Likewise.
10107 (real_value_from_int_cst): Remove unneeded casts.
10108 (integer_all_onesp): Add casts.
10109 (tree_floor_log2, compare_tree_int): New functions.
10110 (build_index_type): Use tree_int_cst_sgn.
10111 * varasm.c (assemble_variable): Use compare_tree_int.
10113 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
10115 * cpphash.c (collect_expansion): Also catch ## at start of macro.
10117 * varasm.c (make_decl_rtl): Don't add a number to members of
10119 (make_function_rtl): Likewise.
10121 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10123 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
10124 patch from 2000-01-28.
10126 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
10128 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
10129 filled with an insn from the jump target.
10131 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10133 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
10134 (c4x_external_ref): Likewise.
10135 * config/c4x/c4x.c (struct name_list): Likewise.
10137 1999-12-16 Ben Collins <bcollins@debian.org>
10139 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
10140 argument to genmultilib.
10141 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
10142 the contents into the multilib.h header.
10143 * gcc.c: Declare multilib_exclusions for the specs file.
10144 (set_multilib_dir): Use it.
10145 (print_multilib_info): Likewise.
10146 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
10147 to pass to genmultilib.
10149 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10151 * builtins.c (built_in_class_names, built_in_names): Constify a
10154 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
10156 (_mcleanup): Ensure value matches format specifier in sprintf.
10158 * cpphash.c (special_symbol): Don't needlessly cast away
10161 * cppinit.c (base_name): Delete unused prototype.
10163 * mkdeps.c (deps_init): Make definition K&R safe.
10165 * tree.h (built_in_class_names, built_in_names): Constify a
10168 2000-03-06 Jakub Jelinek <jakub@redhat.com>
10170 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
10171 floating point instructions for epilogue delay.
10173 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
10174 to gas if it supports .register pseudo.
10176 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
10177 LONG_DOUBLE_TYPE_SIZE if not defined.
10178 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
10179 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
10180 * real.c: Likewise.
10181 * gengenrtl.c: Likewise.
10182 * print-rtl.c: Likewise.
10184 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
10185 MASK_LONG_DOUBLE_128.
10186 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
10187 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
10188 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
10189 (SUBTARGET_SWITCHES): Define.
10190 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
10191 with -mlong-double-128.
10192 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10193 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10194 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10195 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
10196 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
10197 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
10198 with -mlong-double-128.
10199 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10200 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10201 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10202 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
10203 TARGET_LONG_DOUBLE_128): Define.
10204 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
10205 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
10206 long double on TARGET_ARCH64.
10208 2000-03-06 Mark Mitchell <mark@codesourcery.com>
10210 * function.c (free_temps_for_rtl_expr): Don't free slots
10211 that have been pushed into a higher level.
10214 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10216 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10218 * basic-block.h (ALLOCA_REG_SET): Remove.
10219 (INITIALIZE_REG_SET): New macro.
10220 * flow.c (update_life_info): Use it.
10221 (calculate_global_regs_live): Likewise.
10222 (propagate_block): Likewise.
10223 * global.c (build_insn_chain): Likewise.
10224 * haifa-sched.c (schedule_region): Likewise.
10226 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
10228 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
10229 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
10230 (DWARF_ARANGES_PAD_SIZE): New define.
10231 (output_aranges): Use it to pad the address range header.
10232 (DWARF_ROUND): Fix for non power of 2 rounding.
10234 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
10236 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
10238 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10240 * tree.def (RTL_EXPR): Update documentation.
10241 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
10242 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
10243 * function.c (preserve_rtl_expr_temp): New function.
10244 (preserve_rtl_expr_temps): Likewise.
10245 (preserve_rtl_expr_result): Use it.
10248 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10250 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
10252 * regmove.c (copy_src_to_dest) Do not create src->dest move
10253 for unchanging destination.
10255 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10257 * function.h (struct sequence_stack): Remove rtl_expr.
10258 (struct emit_staus): Likewise.
10259 (seq_rtl_expr): Remove.
10260 * tree.h (free_temps_for_rtl_expr): Don't declare.
10261 (start_sequence_for_rtl_expr): Likewise.
10262 * rtl.h (preserve_rtl_expr_result): Likewise.
10263 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10264 (start_sequence_for_rtl_expr): Remove.
10265 (push_topmost_sequence): Don't save sequence_rtl_expr.
10266 (pop_topmost_sequence): Remove comment about not restoring it.
10267 (end_sequence): Don't set seq_rtl_expr.
10268 (init_emit): Don't initialize it.
10269 (mark_sequence_stack): Don't mark it.
10270 (mark_emit_status): Likewise.
10271 * except.c (protect_with_terminate): Use
10272 start_sequence_for_rtl_expr, not start_sequence.
10273 * expr.c (expand_expr, case RTL_EXPR): Don't call
10274 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10275 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10276 (preserve_rtl_expr_result): Remove.
10277 (free_temps_for_rtl_expr): Likewise.
10278 (pop_temp_slots): Likewise.
10279 (mark_temp_slot): Don't mark the rtl_expr.
10280 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10281 start_sequence_for_rtl_expr.
10283 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10285 * mkdeps.c, mkdeps.h: New files.
10286 * po/POTFILES.in: Add them.
10287 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10288 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10289 (mkdeps.o): New target.
10291 * cppfiles.c: Delete deps_output.
10292 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10293 OBJECT_SUFFIX, and base_name.
10294 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10296 (initialize_dependency_output): Use deps_init,
10297 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10298 all the unnecessary string bashing.
10299 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10301 * cpplib.c (do_include): Use deps_add_dep.
10302 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10303 deps_allocated_size, deps_size, deps_column members with
10304 single pointer to a struct deps. Delete prototype of
10307 * cppinit.c: Fix thinko in previous patch.
10309 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10311 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10312 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10313 (mode_for_size_tree): New function.
10314 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10315 * tree.h (mode_for_size_tree): New declaration.
10317 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10319 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10321 * stmt.c (is_body_block): Move...
10322 * dwarfout.c, dwarf2out.c: ...from here.
10323 * tree.h: Declare it.
10324 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10325 * final.c (final_start_function): Do call remove_unnecessary_notes
10328 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10330 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10332 * cpplib.h (_dollar_ok): New macro.
10333 (is_idchar, is_idstart): Use it.
10334 (IStable): Rename to _cpp_IStable. Declare it const if
10335 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10336 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10337 is_space): Update for renamed IStable.
10339 * cppinit.c: Delete all references to FAKE_CONST and CAT
10340 macros. Define init_IStable as empty macro if gcc >=2.7 or
10341 C99. Change TABLE() to ISTABLE and hardcode name of table.
10342 (cpp_start_read): Don't change the IStable based on
10345 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10346 changed. Handle '$' for char1 correctly.
10347 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10349 * cppexp.c (tokentab2): Make const.
10350 (cpp_lex): Make toktab const.
10351 * cppinit.c (include_defaults_array): Make const.
10352 (initialize_standard_includes): Make default_include const.
10354 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10356 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10357 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10358 (gen_decl_die): Likewise.
10359 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10360 (output_decl): Likewise.
10362 * varasm.c (make_function_rtl): If we change the name used in the
10363 rtl, update DECL_ASSEMBLER_NAME accordingly.
10364 (make_decl_rtl): Likewise.
10366 * toplev.c (rest_of_compilation): Tweak formatting.
10368 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10369 remove_unnecessary_notes.
10370 (debug_ignore_block): New fn.
10371 * toplev.h: Declare it.
10372 * emit-rtl.c (remove_unncessary_notes): Call it.
10373 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10374 * dwarf2out.h: Declare it.
10375 * final.c (final_start_function): Don't call remove_unnecessary_notes
10376 if we did insn scheduling.
10378 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10380 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10381 * cpplib.h: Delete SET_CPP_PEDANTIC.
10383 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10385 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10386 result is a RECORD_TYPE.
10388 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10390 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10392 2000-03-03 Richard Henderson <rth@cygnus.com>
10394 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10395 addition over compliments over shifts.
10397 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10399 * reload1.c (reload_combine_note_use): Handle return register USEs.
10400 REG case: Handle multi-hard-register hard regs.
10402 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10404 * md.texi: Document use of '*' in insn pattern name.
10406 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10408 * calls.c (special_function_p): operator new may not be malloc-like.
10410 * gcse.c (dump_hash_table): Really fix error in last change.
10412 2000-03-02 Denis Chertykov <denisc@overta.ru>
10414 * avr.c (print_operand): Use print_operand_address instead of
10416 * avr/libgcc.S: Cleanup code.
10418 2000-03-02 Richard Henderson <rth@cygnus.com>
10420 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10422 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10424 * tree.h (TYPE_ALIGN_UNIT): New macro.
10426 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10428 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10430 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10432 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10434 (SET_CPP_PEDANTIC): New macro.
10435 * cpplib.c (do_include): Don't bother checking system_header_p.
10436 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10437 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10439 * function.h (struct expr_status): Add x_arg_space_so_far.
10440 (arg_space_so_far): New macro.
10441 * expr.c (init_expr): Initialize it.
10442 * calls.c (emit_call_1): Reset it.
10443 (compute_argument_block_size, expand_call): Use it.
10444 (expand_call, store_one_arg): Increment it.
10446 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10448 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10451 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10453 * cppfiles.c (cpp_read_file): New function.
10455 * cpphash.c (collect_expansion): Make sure to reset last_token
10456 to NORM when we hit a string. Handle trailing whitespace
10457 properly when the expansion is empty.
10458 (create_definition): Disable line commands while parsing the
10460 (dump_definition): If pfile->lineno == 0, output a line
10461 command ahead of the dump, and add a trailing newline.
10463 * cppinit.c (append_include_chain): Add fifth argument, which
10464 indicates whether or not system headers are C++ aware.
10465 (initialize_standard_includes): New function,
10466 broken out of read_and_prescan. Pass 'cxx_aware' value from
10467 the include_defaults_array on to append_include_chain.
10468 (dump_special_to_buffer): Const-ify char array.
10469 (builtin_array): Don't dump __BASE_FILE__.
10470 (cpp_start_read): Use cpp_read_file. Reorder code for
10471 clarity. Don't output line commands here for -D/-A/-U
10472 switches. Don't call deps_output for files included with
10473 -include or -imacros.
10475 * cpplib.c (do_define): Don't pay any attention to the second
10477 (cpp_expand_to_buffer): Disable line commands while scanning.
10478 (output_line_command): Work in the file buffer.
10479 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10480 Fix formatting of comments. Prototype cpp_read_file.
10482 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10484 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10485 reference the language-equivalent of sizetype.
10486 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10487 * fold-const.c (size_binop, size_diffop): Put back checks.
10488 * gcse.c (dump_hash_table): Fix minor error in last change.
10489 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10490 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10493 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10495 * calls.c (expand_call) Do not attempt to combine stack adjustments
10496 with inhibit_defer_pop set.
10498 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10500 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10501 the DECL_SIZE for a FIELD_DECL.
10503 2000-03-01 Bruce Korb <bkorb@gnu.org>
10505 * fixinc/inclhack.tpl: remove unused symlinks
10506 * fixinc/README: GCC Maintainer info
10507 * fixinc/inclhack.sh: regen
10508 * fixinc/fixincl.sh: regen
10510 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10512 * cpphash.c (collect_expansion): Trim trailing white space
10513 from macro definitions, but don't go past the last insertion
10516 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10518 * i386.md (mulqi3): New pattern.
10520 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10522 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10524 (struct cpp_reader): Add parsing_if_directive and
10525 parsing_define_directive flags.
10526 (struct cpp_options): Remove output_conditionals flag.
10527 (check_macro_name): Delete prototype.
10529 * cpphash.h (struct macrodef): Delete.
10530 (struct reflist): Separate from struct definition.
10531 (struct definition): Remove unused fields. Add column number.
10532 (create_definition): Returns a DEFINITION *. Takes a
10533 cpp_reader * and an int.
10535 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10536 (PEEKC): Copy defn from cpplib.c.
10537 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10539 (struct arglist): Simplify.
10540 (collect_expansion): Rewrite. Get tokens by calling
10541 cpp_get_token. Add more error checking.
10542 (collect_formal_parameters): New function, broken out of
10543 create_definition and reworked to use get_directive_token.
10544 (create_definition): All real work is now in collect_expansion
10545 and collect_formal_parameters. do_define handles finding the
10546 macro name. Return a DEFINITION, not a MACRODEF.
10547 (macroexpand): Replace bcopy with memcpy throughout. Replace
10548 character-at-a-time copy loop with memcpy and pointer increments.
10549 (compare-defs): d1->argnames / d2->argnames might be null.
10551 * cpplib.c (copy_rest_of_line): Delete function.
10552 (skip_rest_of_line): Do all the work ourselves.
10553 (skip_string): New function.
10554 (parse_string): Use skip_string.
10555 (get_macro_name): New function.
10556 (check_macro_name): Delete.
10557 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10558 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10559 (handle_directive): ICE if we're called on a macro buffer.
10560 (do_define): Determine macro name and type (funlike/objlike)
10561 here. Expunge all uses of MACRODEF.
10562 (cpp_push_buffer): Set line_base to NULL.
10563 (do_undef, read_line_number): Don't worry about getting a POP token.
10564 (eval_if_expression): Set/reset parsing_if_directive around
10565 cpp_parse_expr. Don't clear only_seen_white.
10566 (skip_if_group): Remove output_conditionals logic. Use
10568 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10569 tokens under appropriate conditions.
10570 (cpp_unassert): Call do_unassert not do_assert. Oops.
10572 * cppexp.c (parse_defined): New function, break out of
10574 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10575 ourselves, with cpp_defined.
10576 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10578 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10579 * gcc.dg/strpaste-2.c: New.
10581 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10583 * fold-const.c (size_binop): Don't asert inputs are the same and
10584 have TYPE_IS_SIZETYPE set.
10585 (size_diffop): Likewise.
10587 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10589 * dwarfout.c (output_block): Output abstract blocks even if they
10590 don't have TREE_ASM_WRITTEN set.
10592 * calls.c (emit_library_call): Check for null REG.
10594 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10596 * c-decl.c (current_function_decl): Move to toplev.c.
10597 (init_decl_processing): Don't add current_function_decl as a ggc
10599 * dbxout.c (dbxout_symbol): Change return type to int.
10600 (dbxout_symbol_location, dbxout_syms): Likewise.
10601 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10602 any locals. Use current_function_func_begin_label if set.
10603 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10604 * dwarf2out.c (dwarf2out_begin_prologue): Set
10605 current_function_func_begin_label.
10606 * final.c (final_start_function): Reset it.
10607 * toplev.c (current_function_decl): Define it here.
10608 (current_function_func_begin_label): New variable.
10609 (main): Add both as ggc roots.
10610 * tree.h (current_function_func_begin_label): Declare.
10612 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10614 * gcse.c: Cleanups throughout: mostly white-space, but also
10615 some minor rearrangement of code.
10617 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10619 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10620 returns a PARALLEL. Use emit_group_load and use_group_regs
10622 (emit_library_call_value): Similarly.
10624 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10625 * pa/quadlib.asm: Remove.
10626 * pa/quadlib.c: New file.
10628 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10629 * configure: Rebuilt.
10631 2000-02-29 Philip Blundell <pb@futuretv.com>
10633 * config/arm/conix-elf.h: New file.
10634 * configure.in (arm*-*-conix*): New configuration.
10635 * configure: Regenerate.
10637 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10639 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10640 don't have TREE_ASM_WRITTEN set.
10642 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10644 * Eliminate DECL_FIELD_SIZE.
10645 * builtins.c (built_in_class_names, built_in_names): New variables.
10646 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10647 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10648 DECL_SIZE, not DECL_FIELD_SIZE.
10649 * print-tree.c (print_node): Remove code that prints extra blank
10650 lines in some cases.
10651 Properly handle inline and builtin function cases.
10652 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10653 * tree.h (built_in_class_named, built_in_names): New declarations.
10654 (union tree_decl): Rename internal unions to u1 and u2 and change
10655 some of their components.
10656 Add new field built_in_class.
10657 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10658 Reflect above changes.
10659 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10660 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10661 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10662 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10664 2000-02-28 Dmitri Makarov <dim@windriver.com>
10666 * extend.texi: Document ARM's support for long/short calls.
10668 * invoke.texi: Document ARM's -mlong-calls command line switch.
10670 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10671 (arm_encode_call_attribute): Add prototype.
10672 (arm_set_default_type_attribute): Add prototype.
10673 (arm_strip_name_encoding): Add prototype.
10675 * config/arm/arm.c (arm_init_cumulative_args): replace
10676 initialisation og 'long_calls' field with initialisation of
10677 'call_cookie' field.
10678 (enum arm_pragma_enum): New enum.
10679 (arm_pragma_long_calls): New static variable.
10680 (arm_process_pragma): Also process "#pragma long_calls_off".
10681 (arm_valid_type_attribute_p): Accept short_call attribute.
10682 (arm_comp_type_attributes): Check long/short call attributes.
10683 (arm_encode_call_attribute): New function: Encode long_call
10684 or short_call attribute in function name.
10685 (arm_set_default_type_attributes): New function: Assign
10686 default attributes to newly defined type.
10687 (current_file_function_operand): New function: Return true if
10688 the symbol is a function which has already been compiled.
10689 (arm_is_longcall_p): New function: Return true if the
10690 indicated function should be called via a long call.
10691 (arm_get_strip_length): New function. Returns number of
10692 prefix characters to be stripped from a function's name.
10693 (arm_strip_name_encoding): New function. Strip prefix characters
10694 from a function's name.
10696 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10697 with 'call_cookie'.
10698 (SHORT_CALL_FAG_CHAR): Define.
10699 (LONG_CALL_FAG_CHAR): Define.
10700 (ENCODED_SHORT_CALL_ATTR_P): Define.
10701 (ENCODED_LONG_CALL_ATTR_P): Define.
10702 (ARM_NAME_ENCODING_LENGTHS): Define.
10703 (STRIP_NAME_ENCODING): Define.
10704 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10705 (ARM_ENCODE_CALL_TYPE): Define.
10706 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
10707 (ARM_DECLARE_FUNCTION_SIZE): Define.
10708 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
10710 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
10711 if a long call is needed.
10712 (call_value): Ditto.
10713 (call_symbol): Ditto.
10715 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
10716 ARM_DECLARE_FUNCTION_SIZE.
10718 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
10719 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
10720 (ARM_STRIP_NAME_ENCODING): Undefine.
10721 (STRIP_NAME_ENCODING): Undefine.
10722 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
10723 (ASM_DECLARE_FUNCTION_NAME): Ditto.
10724 (ASM_OUTPUT_COMMON): Ditto.
10725 (ASM_DECLARE_OBJECT_NAME): Ditto.
10727 * config/arm/pe.c (arm_dllexport_name_p): Check for
10729 (arm_dllimport_name_p): Ditto.
10730 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
10731 (arm_mark_dllimport): Ditto.
10733 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10735 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
10737 2000-02-28 Mark Mitchell <mark@codesourcery.com>
10739 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
10741 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
10743 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
10744 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
10745 NO_BUILTIN_WCHAR_TYPE is not defined.
10746 (CPP_WCHAR_TYPE): Delete.
10747 * cccp.c (main): Don't change wchar_type if cplusplus.
10748 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
10750 2000-02-28 Nick Clifton <nickc@cygnus.com>
10752 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
10754 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
10756 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
10757 (ASM_WEAKEN_LABEL): Define.
10759 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
10761 * expr.c (store_constructor): Do not emit USE.
10762 * rtl.h (stupid_life_analysis): Remove.
10764 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10766 * function.c (number_blocks): Reset next_block_index based on
10767 what debugging format is used, not what is defined.
10769 * lcm.c: Minor reformatting throughout.
10770 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
10772 * toplev.c (rest_of_compilation): Account for time in
10773 optimize_mode_switching.
10775 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
10776 if only marking labels.
10778 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
10780 * calls.c (expand_call): Attempt to combine stack adjustments with
10781 pending stack adjustments.
10783 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10785 * loop.c (reg_in_basic_block_p): Don't abort when falling through
10786 to the end of the function.
10788 2000-02-27 Mark Mitchell <mark@codesourcery.com>
10790 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
10792 * final.c (next_block_index): Remove.
10793 (max_block_depth): Likewise.
10794 (pending_blocks): Likewise.
10795 (init_final): Don't initialize them.
10796 (final_start_function): Don't set next_block_index. Set up
10798 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
10799 * function.h (number_blocks): New function.
10800 * function.c (get_block_vector): New function.
10801 (identify_blocks): Use it.
10802 (reorder_blocks): Set NOTE_BLOCK.
10803 (number_blocks): New function.
10804 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
10805 * tree.h (BLOCK_NUMBER): New macro.
10806 (tree_block): Add block_num field.
10807 * dbxout.c (next_block_number): Remove.
10808 (dbxout_init): Don't set it.
10809 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
10810 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
10812 * toplev.c (rest_of_compilation): Always call
10813 find_loop_tree_blocks. Fix indentation.
10814 * dwarf2out.c (next_block_number): Remove.
10815 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10816 to determine block numbers.
10817 (gen_inlined_subroutine_die): Likewise.
10818 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
10819 (decls_for_scope): Don't increment next_block_number.
10820 * dwarfout.c (next_block_number): Remove.
10821 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10822 to determine block numbers.
10823 (output_inlined_subroutine_die): Likewise.
10824 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
10825 (output_decls_for_scope): Don't increment next_block_number.
10826 * sdbout.c (next_block_number): Remove.
10827 (sdbout_block): Use BLOCK_NUMBER.
10828 (sdbout_begin_block): Simplify.
10829 * xcoffout.c (next_block_number): Remove.
10830 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
10831 (xcoffout_begin_block): Don't set next_block_number.
10832 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
10835 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10837 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
10838 (expand_builtin_strcpy): Pass correct type to size_binop.
10839 (expand_builtin_strcmp): Likewise.
10840 Clean up conditional structure.
10841 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
10842 (complete_array_type): Don't use size_binop for MAXINDEX.
10843 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
10844 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
10845 (c_alignof): Use size_one_node.
10846 (build_unary_op): Pass arg of proper type to size_binop.
10847 (really_start_incremental_init, push_init_level): Use sizetype for
10848 constructor{,_bit,_unfilled}_index.
10849 (pop_init_label, output_init_element): Likewise.
10850 (output_pending_init_elements, process_init_element): Likewise.
10851 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
10852 * expr.c (store_expr): Use size_int.
10853 (store_constructor): Use proper types for size_binop args.
10854 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
10855 (expand_expr_unaligned): Likewise.
10856 (string_contant): Return object of sizetype.
10857 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
10858 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
10859 (ARGS_SIZE_TREE): Pass proper types to size_binop.
10860 * fold-const.c (int_const_binop): Refine when size_int is called.
10861 (fold_convert): Likewise.
10862 (size_int_wide): Rework to take KIND as arg, only take low order
10863 bits, handle new sizetype_tab datatype, and chain entries in
10865 (size_int_type_wide): New function.
10866 (size_binop): Validate types of arguments.
10867 (ssize_binop): Deleted.
10868 (size_diffop): New function.
10869 (extract_muldiv): Only fold division into multiplication for sizetypes.
10870 * function.c (assign_parms): Use size_diffop and make sure
10871 VAR field is of ssizetype; also pass proper type to size_binop.
10872 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
10873 (round_down): Deleted from here.
10874 * store-layout.c (sizetype_tab): Now an array.
10875 (sizetype_set, early_root_list): New variables.
10876 (variable_size): Use size_one_node.
10877 (round_up): Pass proper type to size_binop.
10878 (round_down): Moved to here and corrected as above.
10879 (layout_record): Pass proper arg types to size_binop.
10880 (layout_type): Likewise.
10881 If sizetype_set is zero, record the type just laid out.
10882 (make_unsigned_type): Don't call set_sizetype;
10883 (make_signed_type): Likewise; also, call fixup_signed_type.
10884 (initialize_sizetypes): New function.
10885 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
10886 set name of bitsizetype to "bit_size_type".
10887 Fix up type of sizes of all types made before call.
10888 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
10889 * tree.c (fix_sizetype): Deleted.
10890 (build_common_tree_nodes): Call initialize_sizetypes.
10891 (build_common_tree_nodes_2): Don't call fix_sizetype.
10892 * tree.h (TYPE_IS_SIZETYPE): New macro.
10893 (initialize_sizetype): New declaration.
10894 (enum size_type_kind): New type.
10895 (struct sizetype_tab): Deleted.
10896 (sizetype_tab): Now array; adjust sizetype macros.
10897 (size_diffop, size_int_type_wide): New functions.
10898 (size_int_wide): Change number of args and type; access macros changed.
10899 (ssize_int, sbitsize_int): New macros.
10900 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
10901 (ROUND_TYPE_SIZE_UNIT): New macro.
10903 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
10905 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
10907 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10909 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
10910 Mark as possibly unused.
10912 * cse.c (cse_insn): Delete dead code involving tablejump.
10913 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
10915 * Makefile.in (libcpp.a): Start by deleting it.
10917 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10919 * cpplib.h (enum file_change_code): Added rename_file.
10920 * cpplib.c (do_line): If a filename is given, set file_change to
10922 (output_line_command): If file_change is rename_file, always
10923 output a # directive with the file name.
10925 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
10927 2000-02-26 Mark Mitchell <mark@codesourcery.com>
10929 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
10930 when copying a PARM_DECL or RESULT_DECL.
10932 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10934 * fix-header.c (recognized_function): Also fix prototypes for
10935 functions taking "void".
10937 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10939 * reload1.c (do_output_reload): Check reg_reloaded_valid before
10940 looking at reg_reloaded_contents.
10942 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
10944 * Makefile.in (STMP_FIXINC): New toggle.
10945 (LIBGCC2_DEPS): Delete all references.
10946 (stmp-headers): Delete target. All references either deleted
10947 or changed to stmp-int-headers.
10948 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
10949 (LIBCPP_OBJS): Take out cppalloc.o.
10950 (cppalloc.o): Delete target.
10951 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
10952 (gen-protos, fix-header): Link with libiberty.a.
10953 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
10956 * configure.in: Remove refs to strerror.
10957 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
10958 * system.h: Take out strerror stanza.
10960 * cpperror.c (my_strerror): Delete function.
10961 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
10962 * cppmain.c (main): Call xmalloc_set_program_name first thing.
10963 * cppalloc.c: Delete file.
10964 * gen-protos.c: Don't provide xrealloc.
10966 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
10967 xstrerror throughout.
10969 2000-02-26 Bruce Korb <bkorb@gnu.org>
10971 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
10972 match for DOS headers, too.
10973 * fixinc/inclhack.sh,fixincl.x: Regenerate.
10975 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10977 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
10978 is right for most ELF targets.
10979 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
10980 Let the default file use %U properly.
10981 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
10984 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
10987 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10989 * toplev.c (documented_lang_options): Correct spelling error.
10990 (decode_d_option, decode_f_option, main): Likewise.
10992 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
10994 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
10995 to tell assembler it is permitted to expand large constants.
10997 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
10999 * protoize.c: (AUX_INFO_SUFFIX): New macro.
11000 (aux_info_suffix): Use.
11001 (SAVE_SUFFIX): New macro.
11002 (save_suffix): Use.
11003 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
11004 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
11005 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
11007 * invoke.texi (Running Protoize): Update documentation.
11009 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
11011 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
11013 2000-02-25 John Wehle (john@feith.com)
11015 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
11017 2000-02-25 Anthony Green <green@cygnus.com>
11019 * toplev.c (rest_of_compilation): Rebuild jump labels if
11020 combine_instructions has created a new direct jump.
11021 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
11023 (combine_instructions): Call try_combine with new argument.
11024 Return non-null value when new direct jump instruction is created.
11025 * rtl.h: combine_instructions returns an int.
11027 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
11029 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
11030 jump when changing a computed jump into a jump to a known
11033 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
11035 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
11036 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
11038 * i386.md (define_expand "clrstrsi"): Fix typo.
11040 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
11042 * rtl.texi: Fix typo.
11044 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11046 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
11047 UNITS_PER_WORD. Change caller initial_elimination_offset.
11048 (rounded_frame_size): Take into account that argument pushed has
11049 changed. Fix TARGET_ALIGN_DOUBLE problem.
11051 2000-02-25 Geoff Keating <geoffk@cygnus.com>
11053 * haifa-sched.c (schedule_block): Explain the real reason
11054 we delete REG_SAVE_NOTEs on the first insn of a block.
11055 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
11057 2000-02-24 Mark Mitchell <mark@codesourcery.com>
11059 * input.h (push_srcloc): New function.
11060 (pop_srcloc): Likewise.
11061 * toplev.c (push_srcloc): Define it.
11062 (pop_srcloc): Likewise.
11064 2000-02-24 Richard Henderson <rth@cygnus.com>
11066 * flow.c (life_analysis): When collecting reg info, clear
11069 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11071 Fix bug exposed by reload.c no longer rounding the frame
11072 size to BIGGEST_ALIGNMENT:
11073 * sh.c (rounded_frame_size): New function.
11074 (sh_expand_prologue, sh_expand_epilogue): Use it.
11075 (initial_elimination_offset): Likewise.
11077 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11079 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
11080 * sh-protos.h (sh_need_epilogue): Declare.
11081 * sh.c (sh_need_epilogue_known): New static variable.
11082 (sh_need_epilogue): New function.
11083 (function_epilogue): Clear need_epilogue_known.
11084 * sh.md (return): Split into expander / insn pattern.
11085 Make the expander conditional on ! sh_need_epilogue ().
11087 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
11089 * machmode.h (get_mode_alignment): Declare.
11090 (GET_MODE_ALIGNMENT): Call it.
11091 * stor-layout.c (get_mode_alignment): New function. Make
11092 sure alignment is always power of 2.
11094 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11096 * i386.h: Remove useless definition of "I386" and misleading
11099 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11101 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
11102 under which TREE_PERMANENT will be set.
11103 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
11104 build1): Use TREE_SET_PERMANENT.
11105 * print-tree.c (print_node): Don't report value of
11106 TREE_PERMANENT if ggc_p is true.
11108 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
11109 decide whether to give a type a new alias set.
11110 * objc/objc-act.c (build_objc_string_object): Never copy the string.
11111 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
11112 of value of 'obstack'.
11115 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11117 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
11119 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11121 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
11122 * cpplib.c (cpp_get_token): Produce them.
11123 * cppexp.c (cpp_lex): Handle them.
11125 2000-02-23 Nick Clifton <nickc@cygnus.com>
11127 * config/arm/arm.c (arm_comp_type_attributes): Simply and
11128 comment tests on type attributes.
11130 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11132 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
11133 conform to documentation.
11134 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
11135 to check for special cases.
11136 * sh-protos.h (sh_loop_align): Declare.
11137 * sh.c (sh_loop_align): Define.
11139 2000-02-22 Andrew Haley <aph@cygnus.com>
11141 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
11142 (SIZE_TYPE): Is 32 bits when using -mgp32.
11143 (PTRDIFF_TYPE): Ditto.
11145 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11147 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
11149 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11151 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
11152 BIGGEST_FIELD_ALIGNMENT a constant.
11154 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
11156 * dwarf2out.c (output_line_info): Put the marker for the end of
11157 the line number info at the actual end.
11158 (gen_struct_or_union_type_die): Use decl_function_context
11159 to check for local classes.
11160 * dwarfout.c (output_type): Likewise.
11162 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
11164 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
11165 for arguments with a mode, but no type.
11166 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
11167 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
11168 * pa/long_double.h: New file.
11169 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
11170 both have 128bit wide long doubles.
11171 * configure: Rebuilt.
11173 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11175 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
11177 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
11178 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
11179 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
11181 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
11183 * integrate.c (compare_blocks, find_block): Likewise.
11185 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
11187 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
11189 * stmt.c (stmt_status, set_file_and_line_for_stmt,
11190 expand_asm_operands): Likewise.
11192 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
11194 * predict.c (estimate_probability): Added the pointer heuristic to
11195 the collection of static branch predictors.
11197 2000-02-21 Catherine Moore <clm@cygnus.com>
11199 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
11200 * invoke.texi (-mfix7000): Document.
11202 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
11204 * diagnostic.c (init_output_buffer): Make it possible to output at
11205 least 32 characters if we're given a too long prefix.
11207 2000-02-20 Mark Mitchell <mark@codesourcery.com>
11209 * varasm.c (initializer_constant_valid_p): Call
11210 lang_expand_constant to simplify the constant.
11212 2000-02-20 Bruce Korb <bkorb@gnu.org>
11214 * fixinc/inclhack.def(stdio_va_list):
11215 typedef needs to be disabled.
11216 * fixinc/inclhack.sh: regen
11217 * fixinc/fixincl.x: regen
11219 2000-02-20 Geoff Keating <geoffk@cygnus.com>
11221 * print-rtl.c (print_rtx): Don't print addresses when
11222 flag_dump_unnumbered.
11224 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11226 * sparc.c (sparc_output_scratch_registers): Mark parameter with
11228 (sparc_va_arg, sparc_flat_output_function_prologue,
11229 sparc_flat_output_function_epilogue): Cast value to unsigned in
11231 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
11233 * sparc.md: Add default case in switch.
11235 2000-02-19 Richard Henderson <rth@cygnus.com>
11237 * c-typeck.c (add_pending_init): Don't abort for multiple
11238 fields at the same offset.
11239 (pending_init_member): Test the correct member.
11241 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11243 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
11245 (start_catch_handler) : Same.
11247 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
11249 * Makefile.in: Have flow.o depend on $(EXPR_H)
11251 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11253 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
11254 * c-decl.c (duplicate_decls, finish_enum): Likewise.
11255 (finish_decl): Remove -Wlarger-than code from here.
11256 * flags.h (id_clash_len): Now int.
11257 (larger_than_size): Now HOST_WIDE_INT.
11258 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11259 Clean up checking to see if in table.
11260 (make_bit_field_ref): Remove extra parm to bitsize_int.
11261 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11262 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11263 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11264 and for computing size of decl.
11265 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11266 Move -Wlarger-than code to here.
11267 (layout_record): Remove extra arg to bitsize_int.
11268 Set TYPE_BINFO_SIZE_UNIT.
11269 (layout_union): Remove extra arg to bitsize_int.
11270 Use proper type for size of QUAL_UNION.
11271 (layout_type): Remove extra arg to bitsize_int.
11272 * toplev.c (id_clash_len): Now int.
11273 (larger_than_size): Now HOST_WIDE_INT.
11274 (decode_W_option): Clean up id-clash and larger-than- cases.
11275 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11276 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11277 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11278 (struct tree_decl): New field size_unit.
11279 (size_int_wide): No HIGH operand; NUMBER is now signed.
11280 (size_int_2): Deleted.
11281 (size_int, bitsize_int): Don't use it and rework args.
11282 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11284 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11286 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11288 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11290 * invoke.texi (Warning Options): Add an explanation of why
11291 you might want the -Wfloat-equal flag.
11293 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11295 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11296 * cppinit.c (new_pending_define): Add cast to avoid warning.
11297 * expmed.c (extract_bit_field): Likewise.
11298 * flow.c (enum reorder_skip_type): New type.
11299 (skip_insns_between_blcok): New it.
11300 Rework to avoid warning about possibly undefined variable.
11301 * function.c (assign_parms): Make thisparm_boundary unsigned.
11302 * genrecog.c (write_switch): Cast XWINT result to int.
11303 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11304 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11305 one for MIPS and one for Alpha.
11306 (get_tag, copy_object): Add casts to avoid warnings.
11307 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11308 * reload.c (find_reloads): Make TYPE enum reload_type.
11309 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11310 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11311 * varasm.c (compare_constant_1): Add cast to avoid warning.
11312 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11314 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11315 Cast switch operand of size to int.
11316 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11317 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11320 2000-02-18 Nick Clifton <nickc@cygnus.com>
11322 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11323 anything for an alignment of zero.
11325 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11326 anything for an alignment of zero.
11328 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11330 * gcc.texi (Bug Reporting): Refer to bugs.html.
11331 (Bug Lists): Likewise.
11332 * system.h (GCCBUGURL): New preprocessor define.
11333 * rtl.c (fancy_abort): Use it.
11334 * gcc.c (main): Likewise.
11336 2000-02-18 Richard Henderson <rth@cygnus.com>
11338 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11339 (life_analysis_1): Subsume into ...
11340 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11341 Use update_life_info for the relaxation.
11342 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11343 entry and regs_live_at_setjmp.
11344 (set_noop_p): Simplify.
11345 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11346 (record_volatile_insns): Split into ...
11347 (delete_noop_moves): ... here,
11348 (notice_stack_pointer_modification): ... here,
11349 (insn_dead_p): ... and here.
11350 (propagate_block): Don't query INSN_VOLATILE.
11351 (mark_used_regs): Mind !PROP_REG_INFO.
11352 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11353 not in life_analysis.
11355 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11357 * loop.c (canonicalize_condition): New function,
11358 broken out of get_condition.
11359 (get_condition): Use it.
11360 * expr.h (canonicalize_condition): Prototype it.
11362 * tree.h (tree_int_cst_msb): Declare.
11363 * tree.c (tree_int_cst_msb): New function.
11365 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11367 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11370 * invoke.texi (-fmessage-length=n): Document.
11372 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11374 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11376 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11378 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11379 after the prologue.
11381 2000-02-17 Nick Clifton <nickc@cygnus.com>
11383 * config/arm/thumb.c: Replace includes of system headers with
11384 #include "system.h".
11386 2000-02-16 Richard Henderson <rth@cygnus.com>
11388 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11389 Add crtbeginS.o and crtendS.o.
11390 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11391 (ENDFILE_SPEC): Use crtendS.o.
11392 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11394 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11395 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11396 shared and present.
11397 (__dso_handle): New variable.
11398 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11399 bias to __CTOR_END__.
11401 2000-02-16 Richard Henderson <rth@cygnus.com>
11403 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11405 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11407 * longlong.h (__clz_tab): Declare as static to match definition.
11409 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11411 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11412 (XREF_FILE_NAME): Define.
11414 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11415 (EH_FRAME_SECTION_ASM_OP): Define.
11416 (IDENT_ASM_OP): Define.
11417 (TEXT_SECTION_ASM_OP): Define.
11418 (CPP_SPEC): Define.
11419 (CTORS_SECTION_ASM_OP): Define.
11420 (CTOR_SECTION_FUNCTION): Use it.
11421 (DTORS_SECTION_ASM_OP): Define.
11422 (DTOR_SECTION_FUNCTION): Use it.
11424 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11426 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11429 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11430 debug_bb_n): New functions.
11431 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11432 * basic-block.h: Prototype new functions.
11434 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11436 * configure.in: Add support for avr target.
11437 * configure: Rebuilt.
11439 * invoke.texi: Add AVR invocation docs.
11440 * install.texi: Add information about AVR.
11441 * md.texi: Add AVR constraint letters description.
11442 * extend.texi: Add description for AVR specific attributes.
11444 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11446 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11448 2000-02-16 Nick Clifton <nickc@cygnus.com>
11450 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11451 (make_insn_raw): Move RTL check here.
11453 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11455 * version.c: Include gansidecl.h and version.h.
11457 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11459 * configure.in (gcc_version): When setting, narrow search to
11460 lines containing `version_string'.
11462 * Makefile.in (mainversion): Likewise.
11463 (GCC_H): New variable.
11464 (gcc.h): Delete target.
11465 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11466 (version.o): Depend on version.h.
11467 (dbxout.o): Don't depend on gcc.h.
11469 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11470 Michael Meissner <meissner@cygnus.com>
11472 * md.texi (Simple Constraints): Add item about whitespace.
11473 * genoutput.c (strip_whitespace): New.
11474 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11475 strip_whitespace for constraints.
11476 Test pointer using NULL, not 0.
11478 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11480 * cpplib.c (do_line): Pedwarn for #line > 32767.
11482 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11484 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11486 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11487 to default cpp spec.
11488 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11489 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11492 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11495 2000-02-15 Denis Chertykov <denisc@overta.ru>
11497 * configure.in: Add support for avr target.
11499 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11501 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11502 (sh_addr_diff_vec_mode): Don't declare.
11503 * sh.c (sh_addr_diff_vec_mode): Delete.
11505 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11507 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11509 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11511 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11512 (smulsi3_highpart_i): Name.
11513 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11514 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11515 (smulsi3_highpart, umulsi3_highpart): Likewise.
11517 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11518 correctly independent of endianness.
11519 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11520 confuse the optimizers.
11521 (mulsidi3+1, umulsidi3+1): New define_split.
11523 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11525 * config/sh/sh.md: Guard insn splits against illegal registers.
11526 * config/sh/sh.h: Correct comment about macros.
11528 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11529 Andrew MacLeod <amacleod@cygnus.com>
11531 * Makefile.in (lcm.o): Depend on insn-attr.h.
11532 * basic-block.h (optimize_mode_switching): Declare.
11533 * lcm.c (tm_p.h, insn-attr.h): #include.
11534 (seginfo, bb_info): New structs.
11535 (antic, transp, comp, delete, insert) : New file-scope static variables.
11536 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11537 (reg_becomes_live, optimize_mode_switching): Likewise.
11538 * tm.texi: Add description of mode switching macros.
11539 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11541 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11542 (fldi_ok, fpscr_set_from_mem): New prototypes.
11543 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11544 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11545 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11546 (sh_flag_remove_dead_before_cse): Remove declaration.
11547 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11548 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11549 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11550 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11551 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11552 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11553 (fldi_ok): New function.
11554 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11555 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11556 (emit_df_insn): Likewise.
11557 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11558 (sh_flag_remove_dead_before_cse): Delete.
11559 (get_free_reg, fpscr_set_from_mem): New functions.
11560 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11561 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11563 2000-02-15 Loren Rittle <ljrittle@acm.org>
11565 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11567 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11569 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11570 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11572 * cccp.c: Include version.h and/or don't declare `version_string'.
11573 * collect2.c: Likewise.
11574 * alpha.c: Likewise.
11575 * arm/aof.h: Likewise.
11576 * arm/coff.h: Likewise.
11577 * arm/elf.h: Likewise.
11578 * arm/pe.h: Likewise.
11579 * arm/tcoff.h: Likewise.
11580 * arm/telf.h: Likewise.
11581 * arm/tpe.h: Likewise.
11582 * arm/vxarm.h: Likewise.
11583 * convex/convex.c: Likewise.
11584 * i386/dgux.c: Likewise.
11585 * i386/sun386.h: Likewise.
11586 * m88k/m88k.c: Likewise.
11587 * mcore/mcore-pe.h: Likewise.
11588 * mips/mips.h: Likewise.
11589 * romp/romp.h: Likewise.
11590 * sh/sh.c: Likewise.
11591 * cpphash.c: Likewise.
11592 * cppinit.c: Likewise.
11593 * dwarf2out.c: Likewise.
11594 * dwarfout.c: Likewise.
11597 * mips-tfile.c: Likewise.
11598 * protoize.c: Likewise.
11599 * toplev.c: Likewise.
11600 * tree.h: Likewise.
11602 * version.c (version_string): Constify a char*.
11604 * version.h: New file.
11606 2000-02-14 Nick Clifton <nickc@cygnus.com>
11608 * configure.in: Add mcore-elf and mcore-pe targets.
11609 * configure: Regenerate.
11611 * NEWS: Add note that MCore port has been contributed.
11613 * invoke.texi: Document command line switches for MCore port.
11614 * install.texi: Add MCore to list of supported targets.
11616 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11618 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11619 then we will need to import the frame handling functions.
11620 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11621 to import the frames themselves.
11623 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11624 Jason Eckhardt <jle@cygnus.com>
11626 * basic_block.h: Added prototype for reorder_basic_blocks.
11627 * toplev.c: Changes to add -freorder-blocks and graph dump after
11628 block reordering is done.
11629 * flow.c (reorder_block_def): New structure for use during block
11631 (REORDER_BLOCK_*): New macros to access members of above structure.
11632 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11633 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11634 functions for block reordering.
11636 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11638 * gcc.texi (Passes): Fix typo.
11639 * md.texi (Standard Names): Ditto.
11640 * tm.texi (Storage Layout): Ditto.
11642 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11644 * cpplib.c (do_define): Only free the old definition if it
11647 2000-02-13 Neil Booth <NeilB@earthling.net>
11649 * cppfiles.c (read_and_prescan): When emitting deferred
11650 newlines, test speccase[] again instead of checking each
11651 possible whitespace character in turn. When we encounter \r,
11652 look behind for \n first, then ahead.
11654 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11656 * cse.c (cse_altered): New internal flag.
11657 (cse_insn): Set it if we changed an insn.
11658 (cse_main): Clear cse_altered before each basic block.
11659 Only garbage collect if cse_altered is true afterward.
11661 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11663 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11665 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11667 * combine.c (simplify_comparison): Fix typo.
11669 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11671 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11674 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11676 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11677 previously inserted node instead of root node. Caller changed.
11679 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11681 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11683 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11685 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11686 __dereg_frame_dtor): Add prototype argument.
11688 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11690 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11692 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11694 * gthr-vxworks.h (__gthread_once): Likewise.
11696 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11698 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11700 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11701 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11702 stack pointer in functions w/o saved registers, output LEAVE more often
11703 on TARGET_USE_LEAVE machines.
11705 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
11707 * config/arm/arm.c (arm_init_cumulative_args); New function:
11708 Initlaise the CUMULATIE_ARGS strcuture for a function
11710 (arm_function_arg): New function: Determine where to place a
11711 function's argument. Also handles deciding the function's
11713 (current_file_function_operand): New function: Return true if
11714 the symbol is a function which has already been compiled.
11715 (arm_is_long_call_p): New function: Return true if the
11716 indicated function should be called via a long call.
11717 (arm_valid_type_attribute_p): New function: Return true if the
11718 attribute is a valid, arm specific, attribute.
11719 (arm_comp_type_attribute): New function: Return true if the
11720 two types have compatable, arm specific, attributes.
11722 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
11724 (FUNCTION_ARG): Redefine to call arm_function_arg.
11725 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
11727 (INIT_CUMULATIVE_ARGS): Redefine to call
11728 arm_init_cumulative_args.
11729 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
11731 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
11733 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
11735 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
11736 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
11737 (COMP_TYPE_ATTRIBUTES): Define.
11739 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
11740 if a long call is needed.
11741 (call_value): Call arm_is_long_call_p to decide if a long call
11743 (call_symbol): Call arm_is_long_call_p to decide if a long call
11746 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
11748 2000-02-11 Denis Chertykov <denisc@overta.ru>
11750 * README.AVR: New file with information about the avr ports.
11751 * config/avr: New directory with avr port files.
11753 2000-02-11 Andreas Jaeger <aj@suse.de>
11755 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
11757 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
11759 * cpphash.c: Fix formatting, update commentary.
11760 (dump_definition): Take three separate arguments instead of a
11761 MACRODEF structure argument.
11762 * cpphash.h: Update prototype of dump_definition.
11763 * cppinit.c (cpp_finish): Update call of dump_definition.
11765 * cpplib.c (do_define): Always create new hash entry with
11766 T_MACRO type. Remove redundant check for redefinition of
11767 poisoned identifier. Update call of dump_definition.
11768 (do_undef): Don't call check_macro_name. Rename sym_length to
11770 (do_error, do_warning): Don't use copy_rest_of_line or
11772 (do_warning): Don't use pedwarn for the actual warning,
11773 only the notice about its not being in the standard. (Fixes
11774 bug with #warning in system headers.)
11775 (do_ident): Stricter argument checking - accept only a single
11776 string after #ident. Also, macro-expand the line.
11777 (do_xifdef): Use cpp_defined. De-obfuscate.
11779 (do_pragma): Split out specific pragma handling to separate
11780 functions. Use get_directive_token. Update commentary. Do
11781 not pass on #pragma once or #pragma poison to the front end.
11782 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
11783 do_pragma_default): New.
11785 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
11787 * jump.c (jump_optimize_1): The first operand in a relational
11788 can be a CONST_INT.
11789 * optabs.c (emit_conditional_move): Handle relationals which
11790 have a known true/false result.
11792 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11794 * function.c (thread_prologue_and_epilogue_insns): Don't insert
11795 a RETURN insn into a block which already ends with a jump.
11797 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11799 * haifa-sched.c (BUF_LEN): Increase a lot.
11801 2000-02-11 Nick Clifton <nickc@cygnus.com>
11803 * configure.in: Add tm_p_file specification for thumb targets.
11804 * configure: Regenerate.
11806 * config/arm/thumb-protos.h: New file: Prototypes for exported
11807 functions defined in thumb.c.
11809 2000-02-11 Robert Lipe <robertl@sco.com>
11811 * Makefile.in (bootstrap-lean): Remove additional files.
11812 (bootstrap2-lean): Likewise.
11813 (VOL_FILES): List of files for above.
11815 2000-02-11 Nathan Sidwell <nathan@acm.org>
11817 * cpphash.c (special_symbol): Remove spurious argument to
11820 2000-02-11 Joel Sherrill (joel@OARcorp.com>
11822 * configure.in: (i*86-*-rtems*): Swapped elf and coff
11824 * configure: Rebuilt.
11826 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
11828 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
11830 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
11832 * pa.c, pa.h: Remove trigraph sequences within comments.
11834 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
11836 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
11838 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
11840 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
11842 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11844 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
11846 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11848 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
11849 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
11850 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
11851 (ASM_FILE_END): Use c4x_file_end.
11852 * config/c4x/c4x.c (c4x_global_label): New function.
11853 (c4x_external_ref, c4x_file_end): Likewise.
11855 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
11856 (c4x_external_ref, c4x_end_file): Likewise.
11858 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
11860 * cppexp.c: Don't include cpphash.h.
11861 (parse_charconst, cpp_lex): Use cpp_defined.
11862 (cpp_lex): Use get_directive_token throughout. Remove
11863 unnecessary cases from switch. Move assertion-handling code
11864 down to OTHER case.
11865 (cpp_parse_expr): If we see '+' or '-', check the context to
11866 determine if they are unary or binary operators. Streamline
11867 the jumps a bit. Do not call skip_rest_of_line.
11869 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
11870 static. Export get_directive_token. Update commentary.
11871 (cpp_defined): New function.
11872 (do_define): Remove reference to T_PCSTRING. Call
11873 free_definition to release memory for old definition, when
11874 redefining a macro.
11875 (eval_if_expression): Set only_seen_white to 0 before calling
11876 cpp_parse_expr. Call skip_rest_of_line after it returns.
11877 (cpp_read_check_assertion): Don't preserve a pointer into the
11878 token buffer across a call to cpp_get_token.
11880 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
11881 * cppfiles.c (redundant_include_p): Use cpp_defined.
11882 * cpphash.c (free_definition): New function.
11883 (delete_macro): Use it. Update commentary.
11884 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
11886 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
11887 from enum node_type. Prototype cpp_defined and get_directive_token.
11888 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
11890 * fix-header.c (check_macro_names): Use cpp_defined.
11891 (read_scan_file): Set inhibit_warnings and inhibit_errors in
11892 the options structure.
11894 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11896 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
11898 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
11900 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
11901 rather than die->die_tag.
11903 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11905 * combine.c (make_extraction, force_to_mode): Avoid warning on
11906 mixed-signedness conditionals.
11907 (make_field_assignment, nonzero_bits): Likewise.
11908 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
11909 (store_split_bit_field, extract_split_bit_field): Likewise.
11910 (extract_fixed_bit_field, store_bit_field,
11911 * expr.c: Change alignment to be unsigned everywhere.
11912 (move_by_pieces, store_constructor_field, store_constructor):
11913 Alignment parm is unsigned.
11914 (emit_block_move, emit_group_load, emit_group_store): Likewise.
11915 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11916 (do_compare_rtx_and_jump): Likewise.
11917 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
11918 Compare align with GET_MODE_ALIGNMENT.
11919 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
11920 (get_inner_reference): Likewise.
11921 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
11922 (expand_assignment): Local vars for alignment now unsigned.
11923 (store_constructor, store_field, expand_expr, do_jump): Likewise.
11924 (do_compare_and_jump): Likewise.
11925 (store_field): Call new function expr_align.
11926 * expr.h (emit_block_move, emit_group_load, emit_group_store):
11927 Alignment arg now unsigned.
11928 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11929 (do_compare_rtx_and_jump, store_bit_field): Likewise.
11930 (extract_bit_field): Likewise.
11931 * fold-const.c (add_double): Add cast to eliminate signedness warning.
11932 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
11933 (get_best_mode): Alignment arg is unsigned.
11934 * rtl.h (move_by_pieces): Likewise.
11935 * store-layout.c (maximum_field_alignment, set_alignment):
11937 (layout_decl): Alignment arg is now unsigned.
11938 Remove unneeded casts.
11939 (layout_record, layout_union, layout_type): Remove unneeded casts.
11940 Local alignment variables now unsigned.
11941 (get_best_mode): Alignment arg now unsigned.
11942 * tree.c (expr_align): New function.
11943 * tree.h (expr_align): Likewise.
11944 (maximum_field_alignment, set_alignment): Now unsigned.
11945 (get_inner_reference): Alignment argument is now pointer to unsigned.
11946 * varasm.c (assemble_variable): Add cast to eliminate warning.
11948 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
11950 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
11951 then store directly into op0.
11953 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
11954 the CALL_INSN, and emit the note immediately after it.
11956 2000-02-10 Nick Clifton <nickc@cygnus.com>
11958 * config/arm/thumb.md (epilogue): Include a (return) in the
11959 generated insn, and emit it using emit_jump_insn not
11962 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
11964 * function.c (assign_temp): Change zero-sized arrays to size 1.
11965 * integrate.c (expand_inline_function): Do not update
11966 stack_alignment_needed
11967 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
11968 add some sanity checking, remove optimization for function with
11971 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11973 * flow.c (mark_regs_live_at_end): Delete unused variables.
11975 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
11977 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
11978 in macro FRAME_GROWS_DOWNWARD.
11980 * stmt.c (expand_end_bindings): Delete unused variable.
11982 * unroll.c (iteration_info): Mark parameter `loop' with
11985 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11987 * fixinc/server.c (load_data): Return NULL if the marker line is
11989 (run_shell): If load_data returns NULL, retry the command once, in
11992 * configure: Rebuilt.
11994 2000-02-09 Bruce Korb <bkorb@gnu.org>
11996 * gcc/fixincludes: ** DELETED **
11997 * gcc/fixcpp: ** DELETED **
11998 * gcc/fixinc-nt.sed: ** DELETED **
11999 * gcc/just-fixinc: ** DELETED **
12000 * gcc/Makefile.in: Removed out-dated commentary
12001 * gcc/configure.in: Removed fast-fixincludes disablement.
12002 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
12004 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12005 * function.c (thread_prologue_and_epilogue_insns): Uncomment
12008 2000-02-09 Richard Henderson <rth@cygnus.com>
12010 * jump.c (delete_insn): Don't delete user labels at -O0.
12012 2000-02-09 Robert Lipe <robertl@sco.com>
12014 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
12015 Don't link with HOST_LIBS.
12017 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12019 * configure.in: Correct --help text for --with-dwarf2.
12020 Put tm-dwarf2.h after other tm files, if it's requested.
12021 * configure: Regenerate.
12022 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
12025 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12027 * cpplib.h: Provide HASHNODE typedef and forward decl of
12028 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
12029 DEFINITION, struct hashnode, struct macrodef, struct
12030 definition, scan_decls prototype, default defn of
12031 INCLUDE_LEN_FUDGE moved elsewhere.
12033 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
12034 definition, and struct hashnode moved here. Remove the unused
12035 'predefined' field from struct definition. Replace the 'args'
12036 union with its sole member. All users updated (cpphash.c).
12037 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
12038 multiple include guard.
12040 * cpphash.c (hashf): Make static; use better algorithm; drop
12041 HASHSIZE parameter; return an unsigned int.
12042 (cpp_lookup): Drop HASH parameter. PFILE parameter is
12043 used. Calculate HASHSIZE modulus here.
12044 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
12046 (create_definition): Drop PREDEFINITION parameter.
12047 * cpplib.c (do_define): Don't calculate a hash value here.
12048 Don't pass (keyword == NULL) to create_definition.
12050 * scan.h: Prototype scan_decls here.
12051 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
12052 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
12053 callers of cpp_lookup and cpp_install updated.
12055 * cpphash.c (macarg): Hoist all the flag diddling out of the
12057 (macroexpand): ... and out of the loop that calls macarg.
12058 Skip over the initial paren before macro arguments with
12059 cpp_get_non_space_token; point may be some distance before
12060 that paren. Abort if it's not there.
12062 * cpplib.c (parse_clear_mark): Delete function.
12063 (parse_set_mark, parse_goto_mark): Make static.
12064 (ACTIVE_MARK_P): New macro.
12065 (skip_block_comment, skip_line_comment): Do not bump the line
12066 if ACTIVE_MARK_P is true.
12067 (cpp_pop_buffer): The buffer to be popped may not have an
12069 (cpp_get_token): When looking for the initial paren before
12070 macro arguments, only set a mark in a file buffer, Always
12071 return to that mark before proceeding to call macroexpand or
12072 return a NAME token.
12074 * cpplib.h: Remove prototypes of parse_set_mark,
12075 parse_clear_mark, parse_goto_mark.
12076 (struct cpp_options): Rename 'put_out_comments' to
12077 'discard_comments' and invert its sense.
12078 * cppinit.c, cpphash.c, cpplib.c: All users of
12079 put_out_comments changed to use discard_comments, with
12082 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12084 * function.c (thread_prologue_and_epilogue_insns): Don't delete
12085 the edge from a block that both jumps and falls through to the
12088 2000-02-09 Scott Bambrough <scottb@netwinder.org>
12090 * config/arm/arm.md (movsi): In PIC mode, make sure that a
12091 constant source address is legitimate.
12093 2000-02-09 Philip Blundell <pb@futuretv.com>
12095 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
12098 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
12100 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
12102 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12104 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
12105 ends with a newline and a NUL. Don't be so clever manipulating
12108 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
12110 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
12111 not to BIGGEST_ALIGNMENT.
12113 2000-02-08 Geoff Keating <geoffk@cygnus.com>
12115 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
12116 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
12117 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
12118 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
12119 * frame.c (execute_cfa_insn): Handle
12120 DW_CFA_GNU_negative_offset_extended.
12122 2000-02-08 Richard Henderson <rth@cygnus.com>
12124 * flow.c (tidy_fallthru_edges): Split out from ...
12125 (delete_unreachable_blocks): ... here.
12126 (find_basic_blocks): Use it.
12128 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12130 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
12132 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
12134 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
12135 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
12136 (fix-header.o): Don't depend on cpphash.h.
12138 * scan.c (hashstr): New function.
12139 * scan.h: Prototype it.
12140 * fix-header.c: Don't include cpphash.h. Use hashstr.
12141 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
12142 hashstr. Report hash table statistics. Add private
12143 definition of xrealloc.
12145 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12147 * i386.h (TARGET_SWITCHES): Fix typo in option name.
12149 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
12151 * function.c (thread_prologue_and_epilogue_insns): Don't replace
12152 jumps with returns unless they are jumps to the fallthru block.
12154 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
12156 * i386.md (addqi3_cc): Fix contraints.
12158 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12160 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
12162 2000-02-07 Mark Mitchell <mark@codesourcery.com>
12164 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
12165 carriage return after a macro name.
12167 2000-02-07 Fred Fish <fnf@be.com>
12169 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
12170 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
12172 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
12174 * cppfiles.c (deps_output): Count spacers in deps_column.
12176 2000-02-07 Neil Booth <NeilB@earthling.net>
12178 * cppinit.c (initialize_dependency_output): If there is no
12179 suffix, don't try to look for known suffixes. Use strrchr.
12180 (cpp_start_read): Remove duplicate initialization.
12182 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
12184 * calls.c (compute_argument_block_size): New argument
12185 preferred_stack_boundary.
12186 (expand_call): update cfun->preferred_stack_boundary, update call of
12187 compute_argument_block_size
12188 (emit_library_call): Increate cfun->preferred_stack_boundary
12189 to PREFERRED_STACK_BOUNDARY
12190 (emit_library_call_value): Likewise.
12191 * explow.c (allocate_dynamic_stack_spave): Likewise.
12192 * function.c (prepare_function_start): Set
12193 cfun->preferred_stack_boundary
12194 * function.h (struct function): Add preferred_stack_boundary field.
12195 * integrate.c (expand_inline_function): Update
12196 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
12197 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
12198 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
12200 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
12202 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
12203 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
12204 cpp_pedwarn, cpp_pedwarn_with_line,
12205 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
12206 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
12207 v_cpp_error_with_line, v_cpp_warning_with_line,
12208 cpp_message_from_errno, cpp_perror_with_name): Delete.
12210 * cpperror.c (cpp_print_containing_files): Take starting
12211 buffer as argument.
12212 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
12213 (v_cpp_message): Now called directly by all entry points.
12215 (cpp_pfatal_with_name, cpp_message): Delete.
12216 (cpp_notice_from_errno, cpp_ice): New functions.
12217 (cpp_notice): Is now for reporting error conditions, just
12218 without an associated file.
12219 (cpp_error, cpp_error_with_line): Don't do anything if
12220 opts->inhibit_errors is on.
12221 (cpp_pedwarn_with_file_and_line): Take column argument also.
12223 * cpplib.h: Update prototypes of exported functions.
12224 (struct cpp_options): Add inhibit_errors.
12226 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
12227 non-error messages. Include intl.h.
12229 * cppinit.c, cppmain.c: Likewise. Also, use
12230 cpp_notice_from_errno instead of cpp_perror_with_name or
12231 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
12233 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
12234 report internal errors.
12236 * cpplib.c (do_define): Switch bcopy to memcpy.
12237 Give cpp_pedwarn_with_file_and_line a dummy column argument.
12239 * cpplib.c (copy_rest_of_line): Revert previous change: don't
12240 bail out early if we hit a line comment.
12242 2000-02-06 Richard Henderson <rth@cygnus.com>
12244 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
12245 * basic-block.h: Declare them.
12246 * emit-rtl.h (active_insn_p): New.
12247 (next_active_insn, prev_active_insn): Use it.
12248 * rtl.h: Declare it.
12249 * function.c (emit_return_into_block): New.
12250 (thread_prologue_and_epilogue_insns): Insert return insns instead
12251 of epilogues when possible.
12252 * jump.c (jump_optimize_1): Remove code to insert a return insn
12253 on the fallthru to the exit block.
12255 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
12256 and for non-empty stack frames.
12257 * i386.md (return): Expand to return-pop as needed.
12259 2000-02-06 Richard Henderson <rth@cygnus.com>
12261 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12262 constant to op1 for testing.
12264 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12266 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12267 (fixuns_truncqfqi2): Use it.
12269 2000-02-06 Richard Henderson <rth@cygnus.com>
12271 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12272 as a TYPE_LEA insn.
12274 * i386.md (widening and peepholes): Mask the constant instead of
12277 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12279 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12280 input pointer before possibly branching off to the backslash
12282 * cpphash.c (macroexpand): Correctly delete \r escapes when
12283 stringifying parameters.
12284 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12285 if we can; bail out early if we hit a line comment.
12286 (handle_directive): Treat '# 123' in an .S file just like
12287 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12288 Return 1 for '# not_a_directive'.
12289 (get_directive_token): Pop macro buffers here, so that
12290 cpp_get_token can't sneakily move past a newline.
12292 (cpp_get_token): goto randomchar if handle_directive returns 0.
12294 * cppalloc.c: Update copyright.
12295 * cpplib.c: Merge all the static function prototypes into one
12297 * cpplib.h: Remove #if 0 block.
12299 * cpperror.c: Remove #ifdef EMACS block.
12300 * cppmain.c: Likewise.
12301 * cpphash.c: Remove #if 0 blocks.
12302 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12303 * cpplib.c: Remove #if 0 blocks and code referencing
12304 pcp_inside_if or for_lint. Remove duplicate error message.
12305 Fix error messages for #else after #else or #elif. Reformat.
12306 Remove archaic TODO list.
12307 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12309 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12311 * i386/osf1elf.h: Add missing backslash to multiline string.
12313 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12315 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12317 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12319 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12321 * c-common.c: Include expr.h.
12323 * c-pragma.c (mark_align_stack): Add prototype.
12325 * caller-save.c (add_stored_regs): Likewise.
12327 * combine.c (record_promoted_value): Likewise.
12329 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12332 * cppinit.c (new_pending_define): Likewise.
12334 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12336 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12337 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12338 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12339 class_scope_p): Likewise.
12341 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12342 dwarf2out_add_library_unit_info): Likewise.
12344 * ggc.h (ggc_page_print_statistics): Likewise.
12346 * haifa-sched.c (propagate_deps): Likewise.
12348 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12350 * rtl.h (set_stack_check_libfunc): Likewise.
12352 * toplev.h (set_fatal_function): Likewise.
12354 * toplev.c (set_fatal_function): Delete prototype.
12356 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12358 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12360 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12361 (FUNC_END): Likewise.
12363 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12365 * caller-save.c: Include tm_p.h.
12367 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12369 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12371 2000-02-04 Neil Booth <NeilB@earthling.net>
12373 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12376 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12378 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12379 * genflags.c: Use the max_operand_1 logic from genemit.c to
12380 calculate how many arguments gen_insn prototypes have. Remove
12381 NO_MD_PROTOTYPES ifdefs from the generated file.
12382 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12383 file. Cast gen_insn initializers to insn_gen_fn.
12384 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12385 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12387 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12389 * fixinc/Makefile.in (HDR): Add machname.h.
12392 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12394 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12395 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12396 (c4x_cpu_version): Ditto.
12397 * config/c4x/c4x-protos.h: ... here.
12399 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12401 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12402 gen_abstract_function on our context if we're a nested function.
12404 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12406 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12407 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12409 2000-02-04 Bruce Korb <bkorb@gnu.org>
12411 * fixinc/genfixes(machname.h):
12412 Move the functionality from gen-machine.h into this file.
12413 UNdef MN_NAME_PAT if there are no names to change.
12414 Also, be a little kinder when AutoGen is not present.
12416 * fixinc/Makefile.in(machname.h):
12417 Change the generation rule to use genfixes.
12419 * fixinc/fixfixes.c(machine_name):
12420 machine_name_fix's functionality now dependent upon whether
12421 MN_NAME_PAT is defined.
12423 * fixinc/fixtests.c(machine_name):
12426 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12429 * fixinc/fixlib.h(mn_get_regexps):
12432 * fixinc/gen-machine.h: DELETED
12434 2000-02-04 Jan Hubicka <jh@suse.cz>
12435 Richard Henderson <rth@cygnus.com>
12437 * i386.c (SAVE_REGS_FIRST): Remove.
12438 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12439 (ix86_compute_frame_size): Likewise.
12440 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12441 (ix86_emit_restore_regs): Remove.
12442 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12443 when a frame pointer is in use.
12444 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12445 instead of pop to restore a register when profitable; emit leave
12447 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12448 as a TYPE_LEA insn.
12449 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12450 * i386.md (prologue_allocate_stack): Remove.
12451 (epilogue_deallocate_stack): Remove.
12452 (pro_epilogue_adjust_stack): New.
12454 2000-02-04 Richard Henderson <rth@cygnus.com>
12456 * function.c (diddle_return_value): Rework to use a callback function.
12457 Use current_function_return_rtx if it's been set up.
12458 (do_clobber_return_reg, clobber_return_register): New.
12459 (do_use_return_reg, use_return_register): New.
12460 (expand_function_end): Use them.
12461 * stmt.c (expand_null_return): Likewise.
12462 * function.h: Declare them.
12463 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12464 (mark_reg): Change arguments as appropriate for callback.
12465 * integrate.c (expand_inline_function): Revert 19 Jan change.
12467 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12469 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12470 (Misc): Say the scheduler, not the Haifa scheduler.
12472 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12474 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12475 when in_mem is set. Update all callers.
12477 2000-02-04 Richard Henderson <rth@cygnus.com>
12479 * i386/openbsd.h (INT_ASM_OP): Define.
12481 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12483 * tm.texi: Fix various typos.
12485 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12487 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12488 (MD_STARTFILE_PREFIX_1): New macro.
12490 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12492 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12493 destination when needed.
12494 (strmovsi, strsetsi): New expander.
12495 (strmovsi_1, strsetsi_1): New pattern.
12496 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12497 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12498 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12499 * invoke.texi (align-stringops, inline-all-stringops): Document.
12501 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12503 * i386/netbsd.h (INT_ASM_OP): Define.
12505 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12507 * cpplib.h (cpp_reader): Add new flag, no_directives.
12508 * cpphash.c (macarg): Set it.
12509 * cpplib.c (handle_directive): If no_directives is on and we
12510 find a directive, issue an error and discard the line.
12512 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12514 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12515 FP constants. Add ! TARGET_FPU check for FP constants.
12517 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12519 * flow.c (find_basic_blocks): Don't kill label_value_list
12521 (cleanup_cfg): Kill it here.
12523 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12525 * expr.c (store_field): Ensure ALIGN is no stricter than the
12528 2000-02-02 Richard Henderson <rth@cygnus.com>
12530 * jump.c (delete_insn): Partially revert 19 Jan change;
12531 don't convert unused code labels to notes at -O0.
12533 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12535 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12536 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12538 2000-02-01 Richard Henderson <rth@cygnus.com>
12540 * i386.c (general_no_elim_operand): New.
12541 (nonmemory_no_elim_operand): New.
12542 (ix86_expand_move): Copy eliminable operands before a push.
12543 * i386-protos.h: Declare new functions.
12544 * i386.h (CAN_ELIMINATE): Simplify.
12545 (PREDICATE_CODES): Update.
12546 * i386.md (push insns): Don't allow eliminable register operands.
12548 2000-02-01 Richard Henderson <rth@cygnus.com>
12550 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12551 replace BLKmode with DECL_RTL's mode.
12553 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12555 * frame.c (find_fde): Convert for loop to do-while so compiler
12556 sees it's always executed at least once.
12557 * libgcc2.c (BBINBUFSIZE): Kill.
12558 (__bb_init_prg): Use fgets.
12559 (__bb_exit_trace_func): Don't paste strings.
12560 * unroll.c (unroll_loop): Initialize unroll_type, not
12561 unroll_number, and tweak logic to match.
12563 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12565 (ix86_flags_dependant): Likewise. Disentangle control flow.
12566 (ix86_sched_reorder): Break guts out to
12567 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12568 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12571 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12572 use string concatenation. Don't save and restore esi.
12574 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12575 (machname.h): Remove script to separate file. Use two-step
12576 sequence so target is not created if script fails.
12577 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12578 identifiers are defined.
12579 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12580 an empty string, machine_name doesn't need to do anything at
12582 (is_cxx_header): Add more cases to regexp.
12583 * fixinc/fixlib.h: Update prototype.
12584 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12586 * fixinc/fixincl.c: Define NO_BOGOSITY.
12588 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12589 (hp_sysfile): Add missing comma.
12590 (math_exception): Put the wrapper ifdefs at the beginning and
12591 the end of the file.
12592 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12594 2000-02-01 Richard Henderson <rth@cygnus.com>
12596 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12597 Use CONST0_RTX. Update all callers.
12598 * sparc.h, sparc-protos.h: Update accordingly.
12599 * sparc.md (fp mov insns): Use fp_zero_operand directly
12602 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12604 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12607 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12609 * Makefile.in (specs.ready): New target.
12610 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12612 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12614 * fixinc.irix: Use unique filenames for writing into /tmp,
12615 * fixinc.ptx: Likewise.
12616 * fixinc.sco: Likewise.
12617 * fixinc.svr4: Likewise.
12618 * fixinc.winnt: Likewise.
12620 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12622 * tsystem.h: New file.
12624 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12625 s-crtS): Depend on tsystem.h.
12627 * crtstuff.c: Include tsystem.h.
12628 * frame.c: Likewise.
12629 * libgcc2.c: Likewise.
12631 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12633 * builtins.c (expand_builtin_memset): Expand for variable sized
12636 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12638 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12641 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12643 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12645 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12647 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12649 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12650 case 3->2 combining (combining with splitting) in which 2 is CC0
12651 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12652 checked at the begining of the function with the aid of calling
12653 function 'can_combine_p'.
12655 2000-01-31 Dave Brolley <brolley@redhat.com>
12657 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12659 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12661 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12664 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12666 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12668 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12671 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12673 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12674 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12675 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12676 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12677 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12678 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12679 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12680 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12681 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12682 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12684 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12685 Add %(cpp_cpu) to CPP_SPEC.
12687 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12688 Add %(cc1_cpu) to CC1_SPEC.
12690 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12692 * c-decl.c (c_decode_option): Accept optional numeric argument to
12693 -Wformat and set warn_format.
12694 * c-common.c: Don't emit warning about non-constant printf format
12695 string unless warn_format > 1.
12697 2000-01-30 Richard Henderson <rth@cygnus.com>
12699 * alpha.md (return_internal): Allow after reload only.
12701 2000-01-30 Richard Henderson <rth@cygnus.com>
12703 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12704 local frame size is zero.
12706 2000-01-30 Richard Henderson <rth@cygnus.com>
12708 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
12709 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
12710 * alpha.md (return): Turn into an expander.
12711 (return_internal): Don't use $26.
12712 (epilogue): Emit the return insn.
12714 2000-01-30 Richard Henderson <rth@cygnus.com>
12716 * alpha.md (negtf2, abstf2): Fix word order thinko.
12717 (extendsftf2): New.
12718 (trunctfsf2): Avoid intermediate rounding errors.
12720 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12722 * cppfiles.c (find_position): Drop 'colp' argument, return the
12724 (read_and_prescan): Adjust to match. Don't ever manipulate
12725 line or line_base except via find_position.
12727 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12729 * c-parse.in: Apply Ulrich's changes from c-parse.y.
12730 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
12733 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12735 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
12736 just print "<command line>". If 'filename' is null or an
12737 empty string, print "<stdin>" for the filename.
12738 * cpplib.c (do_define): Don't print the 'location of the
12739 previous definition' message if we're still parsing the
12741 (cpp_pedwarn_with_file_and_line): Always call
12742 cpp_file_line_for_message.
12744 2000-01-29 Mark Mitchell <mark@codesourcery.com>
12746 * flow.c (mark_regs_live_at_end): Fix typo.
12748 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12750 * c-common.c: Adjust variable names, comments, help strings to c99.
12751 * c-lex.c: Likewise.
12752 * c-parse.y: Likewise.
12753 * c-tree.h: Likewise.
12754 * cccp.c: Likewise.
12755 * cpplib.h: Likewise.
12756 * c-decl.c: Likewise. Recognize options with names "*99" as well.
12757 * cppinit.c: Likewise.
12759 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12761 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
12762 * c4x.c: Define the optab rtx values.
12763 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
12764 (c4x_emit_libcall): Use new optab rtx values.
12765 (c4x_emit_libcall3): Likewise.
12766 (c4x_emit_libcall_mulhi): Likewise.
12767 * c4x-protos.h: Add prototypes for optab rtx values and change
12768 prototypes for above c4x_emit_libcall functions.
12770 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12772 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
12774 (c4x_function_prologue): Use regnames intead of float_reg_names when
12776 (c4x_function_epilogue): Likewise.
12777 (c4x_print_operand): Likewise.
12778 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
12779 * c4x.md (set_high): Disable for TARGET_TI.
12781 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12783 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
12784 of framepointer + constant to ADDR_REGS class.
12785 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
12786 * c4x.c (std_or_reg_operand): New function.
12787 * c4x-protos.h (std_or_reg_operand): Prototype it.
12789 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12791 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
12792 object names as libgcc2.c.
12793 * libgcc.S: Use newly defined names.
12795 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
12796 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
12798 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
12799 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
12800 (FLOW_LOOP_LAST_BLOCK): Likewise.
12802 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12804 * basic-block.h (struct loop): New fields 'first' and 'last'.
12805 * flow.c (flow_loops_find): Compute loop->first and loop->last.
12806 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
12807 and loop->last to check for NOTE_INSN_LOOP_END.
12809 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
12811 * predict.c (estimate_probability): Use the new FIRST and LAST fields
12812 of the loop descriptor rather than HEADER and LATCH. Also added
12813 missing break statements as well making some coding style modifications
12814 as suggested by Michael Hayes.
12816 2000-01-28 Richard Henderson <rth@cygnus.com>
12818 * flow.c (find_basic_blocks): Remove do_cleanup argument.
12819 Break out that code ...
12820 (cleanup_cfg): ... here.
12821 (commit_one_edge_insertion): Detect a return instruction being
12822 emitted to an edge. Emit a barrier following; clear fallthru.
12823 (commit_edge_insertions): Verify CFG consistency.
12824 * function.c (expand_function_start): Kill unused variable.
12825 (expand_function_end): Likewise.
12826 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
12827 to insert the epilogue.
12829 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
12830 (delete_null_pointer_checks): Likewise.
12831 * output.h: Likewise.
12832 * reg-stack.c (reg_to_stack): Likewise.
12833 * toplev.c (rest_of_compilation): Likewise. Run
12834 thread_prologue_and_epilogue_insns after rebuilding the CFG.
12836 2000-01-28 Richard Henderson <rth@cygnus.com>
12838 * Makefile.in (flow.o): Revert 24 Jan change.
12839 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
12840 FUNCTION_VALUE result to DECL_RESULT's mode.
12842 * haifa-sched.c (schedule_insns): Don't recompute reg info
12845 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
12847 * configure.in: Make --enable-cpplib the default.
12848 * configure: Regenerate.
12849 * gcc.dg/990119-1.c: No longer expected to fail.
12851 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
12853 * jump.c (jump_optimize_1): Delete an optimization that is also done
12854 by merge_blocks in flow.
12856 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12858 * diagnostic.c (build_message_string, output_printf,
12859 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
12860 (build_location_prefix): Fix non-literal format string.
12862 2000-01-27 Richard Henderson <rth@cygnus.com>
12864 * alpha.md (trunctfsf2): New.
12866 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
12868 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
12870 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12872 * cppinit.c (cpp_handle_option): Recognize C++ comments under
12874 * cpplib.c (skip_block_comment, skip_line_comment): Split code
12876 (skip_comment) ... here. Permit C++ comments in system
12877 headers always. Warn about C++ comments in user code under
12878 -std=gnu89 -pedantic.
12879 (copy_comment): Use skip_comment.
12880 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
12882 (consider_directive_while_skipping, do_else, do_endif): Call
12883 validate_else unconditionally.
12884 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
12885 text after the conditional in a system header.
12886 * cpplib.h (struct cpp_buffer): Add flag
12887 warned_cplusplus_comments.
12889 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12891 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
12892 Use unshare_all_rtl_1.
12893 (unshare_all_rtl_again): New function.
12894 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
12896 * function.c (purge_addressof_1): Use unshare_all_rtl_again
12897 rather than resetting the 'used' flags ourself.
12899 * toplev.c (rest_of_compilation): Add current_function_decl
12900 to the unshare_all_rtl call.
12901 * tree.h: Prototype unshare_all_rtl.
12902 * rtl.h: Prototype unshare_all_rtl_again here.
12904 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12906 * genoutput.c (output_prologue): Include ggc.h in generated
12908 * Makefile.in (insn-output.o): Depends on ggc.h.
12910 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
12911 Hans-Peter Nilsson <hp@bitrange.com>
12913 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
12914 Remove redundant include of xm-ns32k.h.
12915 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
12916 Remove redundant include of xm-ns32k.h.
12917 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
12918 Remove redundant include of xm-ns32k.h.
12919 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
12921 * ns32k/ns32k.h: Update comment on multiply-add instructions.
12922 (TARGET_SWITCHES): Add documentation strings.
12923 (DWARF_FRAME_REGNUM): Override default definition.
12924 (REG_CLASS_CONTENTS): Add comments.
12925 (SUBSET_P): Format to reduce line length.
12926 (SMALL_REGISTER_CLASSES): Make a run time option.
12927 (GO_IF_NONINDEXED_ADDRESS): Reformat.
12928 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
12929 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
12930 (regclass_map): fix typo in comment.
12931 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
12932 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
12933 (trace, reg_or_mem_operand): Delete, unused function.
12934 (calc_address_cost): Small offsets are cheaper than large ones.
12935 (expand_block_move): Generate more efficient code when bytes is a
12936 known at compile time.
12937 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
12938 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
12939 instead of reg_or_mem_operand.
12941 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
12942 not general_operand. Similarly use "=rm" or stricter, not "=g".
12943 For input operands, use stricter constraints than "g" if not
12944 general_operand. Similarly use stricter predicate than
12945 "general_operand" when stricter constraints than "g" are present,
12946 except for matching constraints.
12947 (movstrsi): Use "memory_operand" for operands 0 and 1.
12948 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
12949 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
12950 not reg_or_mem_operand.
12951 (udivmoddisi4): Ditto.
12952 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
12953 Use nonimmediate_operand for operand 3, not register_operand.
12954 (udivmoddiqi4_internal): Use register_operand for operand 1, not
12955 reg_or_mem_operand.
12957 2000-01-27 Fred Fish <fnf@be.com>
12959 * gthr-posix.h: Fix typo; compatibily -> compatibility.
12960 * gthr-single.h: Likewise.
12961 * gthr-solaris.h: Likewise.
12962 * gthr-vxworks.h: Likewise.
12963 * gthr-win32.h: Likewise.
12964 * gthr.h: Likewise.
12966 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12968 * cppinit.c: Add " (cpplib)" to end of string printed by
12971 2000-01-27 Richard Henderson <rth@cygnus.com>
12973 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
12974 testing for a signed comparison.
12975 (alpha_emit_floatuns): New.
12976 * alpha-protos.h: Declare it.
12977 * alpha.md (floatunsdisf2, floatunsdidf2): New.
12978 (extendsfdf2): Tidy.
12980 2000-01-27 Jakub Jelinek <jakub@redhat.com>
12982 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
12983 no -g option specifying debugging format, default to -gstabs+.
12985 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12987 * calls.c (special_function_p): New argument fork_or_exec.
12988 (expand_call): When profile_arc_flag is set and the function
12989 is in the fork_or_exec group, call __bb_fork_func first.
12990 * libgcc2.c, _bb module (__bb_fork_func): New function.
12991 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
12993 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
12994 * tree.h (special_function_p): Update prototype.
12996 2000-01-26 Richard Henderson <rth@cygnus.com>
12998 * alpha.c (alpha_split_tfmode_pair): New.
12999 * alpha-protos.h: Declare it.
13000 * alpha.md (abstf2, negtf2): New.
13001 (movtf insn): Add input G constraint.
13002 (movtf splitter): Use alpha_split_tfmode_pair.
13004 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13006 * i386/cygwin.h: PROTO -> PARAMS.
13008 2000-01-26 Jakub Jelinek <jakub@redhat.com>
13010 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
13011 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
13012 using _Qp_cmp/_Q_cmp and testing the return value.
13013 (print_operand): Call reverse_condition_maybe_unordered if
13014 we are handling CCFPmode or CCFPEmode.
13015 Handle ORDERED, UN* and LTGT comparisons.
13016 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
13017 if not TARGET_HARD_QUAD.
13018 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
13019 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
13020 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
13021 Adjust gen_b* calls so that they reflect return comparison of
13022 sparc_emit_float_lib_cmp.
13024 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13026 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
13027 incoming operands array is large enough for one more operand.
13028 (alpha_emit_xfloating_arith): Likewise.
13030 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13032 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
13033 file with one line and no trailing newline.
13034 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
13035 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
13036 checking if the match is on the line.
13037 * fixinc/gnu-regex.c: Provide regerror not __regerror.
13039 2000-01-25 Richard Henderson <rth@cygnus.com>
13041 * sparc.c (output_cbranch): Fix accidental squashing of the
13042 fp branch pre-delay nop.
13044 2000-01-25 Richard Henderson <rth@cygnus.com>
13046 * tree.def (UNNE_EXPR): Remove.
13047 * c-typeck.c (build_binary_op): Don't handle it.
13048 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
13050 * rtl.def (UNNE): Remove.
13052 * jump.c (reverse_condition): Update accordingly.
13053 (swap_condition): Likewise.
13054 (comparison_dominates_p): Handle unordered comparisons.
13055 (reverse_condition_maybe_unordered): New.
13056 * rtl.h (reverse_condition_maybe_unordered): Declare.
13058 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
13059 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
13060 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
13061 * sparc.md (bltgt): New.
13063 2000-01-25 Nick Clifton <nickc@redhat.com>
13065 * emit-rtl.c (emit_insn): Only check machine class insns for
13066 improper emission of a RETURN.
13068 2000-01-25 Richard Henderson <rth@cygnus.com>
13070 * Makefile.in (flow.o): Depend on $(EXPR_H).
13071 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
13072 duplicate the structure of diddle_return_value for keeping regs live.
13074 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13076 * loop.c (current_loop_info): Delete.
13077 (consec_sets_invariant_p): Add loop argument, update callers.
13078 (get_condition_for_loop): Likewise.
13079 (count_nonfixed_reads, update_giv_derive): Likewise.
13080 (simplify_giv_expr, general_induction_var): Likewise.
13081 (consec_sets_giv, recombine_givs): Likewise.
13082 (move_movables): Delete loop_start and loop_end arguments,
13083 add loop argument, and update callers.
13084 (find_mem_givs, check_final_value): Likewise.
13085 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
13086 (loop_invariant_p): Rename from invariant_p, add loop argument, and
13088 (basic_induction_var): Add loop argument, delete loop_level argument,
13089 and update callers.
13090 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
13091 add loop argument, and update callers.
13092 (find_splittable_regs, find_splittable_givs): Likewise.
13093 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
13094 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
13095 (biv_total_increment): Delete loop_start and loop_end arguments;
13097 (precondition_loop_p): Delete loop_start and loop_info arguments;
13099 * loop.h (get_condition_for_loop): Add loop argument.
13100 (biv_total_increment): Delete loop_start and loop_end arguments.
13101 (precondition_loop_p): Delete loop_start and loop_info arguments;
13103 (final_biv_value): Delete loop_start and loop_end arguments;
13105 (final_giv_value, back_branch_in_range_p): Likewise.
13107 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13109 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
13111 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13113 * Makefile.in (c-gperf.h) : Change the "See" pointer to
13114 point to the new "generated_files" doc.
13116 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13118 * config/fp-bit.c (_unord_f2): Fix typo.
13120 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13122 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
13123 c-typeck.c, objc/objc-act.c: Remove all references to obstack
13124 functions obsoleted by GC, such as push_obstacks_nochange,
13125 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
13126 and code which existed only to decide whether or not to call
13127 them. Remove now-unused NESTED argument from start_function;
13128 all callers changed. Do not change behavior based on ggc_p.
13129 The use of the ixp_obstack in c-iterate.c and the util_obstack
13130 in objc/objc-act.c remain; these are not obsoleted by garbage
13132 * c-tree.h: Update prototype for start_function.
13134 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
13136 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13138 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
13141 2000-01-25 Richard Henderson <rth@cygnus.com>
13143 * sparc-protos.h (select_cc_mode): Declare.
13144 * sparc.c (select_cc_mode): New. Handle unordered compares.
13145 (output_cbranch): Always reverse via code change. Handle
13146 unordered compares. Factor tests and string updates.
13147 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
13148 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
13149 * sparc.md (bunordered, bordered): New.
13150 (bungt, bunlt, buneq, bunge, bunle): New.
13152 2000-01-25 Richard Henderson <rth@cygnus.com>
13154 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
13155 * ggc-common.c (ggc_add_rtx_varray_root): New.
13156 (ggc_mark_rtx_varray): New.
13157 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
13158 functions down below ggc_mark_foo.
13159 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
13161 2000-01-25 Richard Henderson <rth@cygnus.com>
13163 * alpha.c (secondary_reload_class): Don't allocate a secondary
13164 for integral mode memories into FLOAT_REGS. Rearrange the more
13165 complicated memory expression inward.
13167 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13169 * inclhack.def: Fixes to play nicer with FreeBSD, and
13170 corrections to comments.
13171 (cxx_unready): Add select expression.
13172 (irix_sockaddr): Add bypass expression.
13173 (machine_ansi_h_va_list): New fix.
13174 (stdio_va_list): No need to edit _BSD_VA_LIST_.
13175 Split out addition of "#include <stdarg.h>" to...
13176 (stdio_stdarg_h): ... here.
13177 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
13178 to stdlib.h also. Do not munge _BSD_SIZE_T_.
13179 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
13181 (ultrix_ifdef): Tighten up select expression.
13183 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
13184 re_ct and max_mach to avoid use of shell. Make printed names
13185 match names in inclhack.def. Use static copyright date.
13186 Don't count c_test and test expressions as requiring regex_t
13187 slots. Add some commentary.
13188 * inclhack.tpl: Do not include the 'This script contains N
13189 fixup scripts' line if PROGRAM is defined. Use static
13192 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
13194 * dwarf2out.c: include "varray.h", not dyn-string.h.
13195 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
13196 (addr_const_to_string, addr_to_string): Lose.
13197 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
13198 (struct dw_val_struct): val_addr is now an rtx.
13199 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
13200 (used_rtx_varray): New varray.
13201 (dwarf2out_init): Initialize it.
13202 (save_rtx): New fn.
13203 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
13205 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
13206 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
13207 * Makefile.in (dwarf2out.o): Update dependencies.
13209 2000-01-24 Richard Henderson <rth@cygnus.com>
13211 * i386.c (i386_dwarf_output_addr_const): New.
13212 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
13214 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
13216 * dwarfout.c (output_mem_loc_descriptor): Likewise.
13217 * i386.c (i386_simplify_dwarf_addr): New.
13218 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
13220 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
13222 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
13223 TYPE_STUB_DECL is NULL.
13225 2000-01-24 Richard Henderson <rth@cygnus.com>
13227 * builtins.c (expand_tree_builtin): Move ...
13228 * c-common.c (expand_tree_builtin): ... here.
13230 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13232 * loop.h (LOOP_INFO): New accessor macro.
13233 * basic-block.h (struct loop): Rename field `info' to `aux'.
13234 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
13235 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
13236 * unroll.c (loop_iterations, unroll_loop): Likewise.
13238 2000-01-24 Christopher Faylor <cgf@cygnus.com>
13240 * config/i386/t-cygwin: Accomodate new winsup directory layout
13241 when searching for include files.
13243 2000-01-24 Richard Henderson <rth@cygnus.com>
13245 * rtl.def: Add unordered fp comparisions.
13246 * tree.def: Likewise.
13247 * tree.h: Add ISO C 9x unordered fp comparision builtins.
13249 * builtins.c (expand_tree_builtin): New function.
13250 * c-typeck.c (build_function_call): Use it.
13251 (build_binary_op): Support unordered compares.
13252 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
13254 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
13255 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
13256 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
13257 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
13258 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13260 (swap_condition): Handle unordered compares.
13261 (thread_jumps): Check can_reverse before reversing.
13262 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13265 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13266 setcc is present before acking for cmp_optab. Update all callers.
13267 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13268 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13269 * expr.c (expand_expr): Likewise. Support unordered compares.
13270 (do_jump, do_store_flag): Likewise.
13271 * expr.h (enum libfunc_index): Add unordered compares.
13273 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13274 (DPBIT_FUNCS): Add _unord_df.
13275 * config/fp-bit.c (_unord_f2): New.
13276 * fp-test.c (main): Try unordered compare builtins.
13278 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13279 * alpha.c (alpha_comparison_operator): Check mode properly.
13280 (alpha_swapped_comparison_operator): Likewise.
13281 (signed_comparison_operator): Likewise.
13282 (alpha_fp_comparison_operator): New.
13283 (alpha_emit_conditional_branch): Handle unordered compares.
13284 * alpha.h (PREDICATE_CODES): Update.
13285 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13286 (bunordered, bordered): New.
13288 2000-01-24 Richard Henderson <rth@cygnus.com>
13290 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13291 * alpha.md (movtf): New expander, insn, and splitter.
13293 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13295 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13298 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13300 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13301 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13302 REG_ALLOC_ORDER): Add frame pointer
13303 (FRAME_POINTER_REGNUM): Set to 20
13304 (HARD_FRAME_POINTER_REGNUM): New macro.
13305 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13306 to HARD_FRAME_POINTER.
13307 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13308 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13309 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13310 (HI_REGISTER_NAMES): Add "frame".
13311 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13312 (debug_reg): Handle FRAME_POINTER_REGNUM.
13313 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13314 GENERAL_REGS and INDEX_REGS.
13315 * i386.c (SAVED_REGS_FIRST): new macro.
13316 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13317 (ix86_decompose_address, memory_address_length): Likewise.
13318 (regclass_map): Add frame pointer.
13319 (call_insn_operand): Handle frame_pointer_rtx.
13320 (reg_no_sp_operand): Likewise.
13321 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13322 (print_operand, legitimize_pic_address): Fix formating.
13323 (ix86_compute_frame_size): Make static, update prototype, new
13324 parameters padding1, padding2, use ix86_nsaved_regs, use
13325 stack_alignment_needed.
13326 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13327 to HARD_FRAME_POINTER_REGNUM conversions.
13328 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13329 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13330 (print_reg): Abort on FRAME_POINTER_REGNUM
13332 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13334 * i386.h (PREDICATE_CODES): Add aligned_operand.
13335 * i386.c (aligned_operand): New function.
13336 (ix86_aligned_p): Kill.
13337 * i386.md (movhi_1): Emit mov for aligned operands.
13338 (promoting peep2s): Use aligned_operand.
13340 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13342 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13343 expression to allow underscores in macro names.
13344 (fix_char_macro_defines): Increment scanning pointer.
13346 2000-01-23 Richard Henderson <rth@cygnus.com>
13348 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13349 * alpha/osf5.h: New file.
13350 * configure.in (alpha-*-osf5): Add it to tm_file.
13352 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13354 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13355 (alpha_emit_xfloating_cvt, function_arg): Declare.
13356 * alpha.c (alpha_emit_conditional_branch): Call
13357 alpha_emit_xfloating_compare for TFmode compares.
13358 (alpha_lookup_xfloating_lib_func): New.
13359 (alpha_compute_xfloating_mode_arg): New.
13360 (alpha_emit_xfloating_libcall): New.
13361 (alpha_emit_xfloating_arith): New.
13362 (alpha_emit_xfloating_compare): New.
13363 (alpha_emit_xfloating_cvt): New.
13364 (print_operand): Add default abort case.
13365 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13366 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13367 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13368 (RETURN_IN_MEMORY): True for TF/TCmode.
13369 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13370 (FUNCTION_ARG): Move to function_arg.
13371 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13372 (ASM_OUTPUT_LONG_DOUBLE): New.
13373 (ASM_OUTPUT_DOUBLE): Always output bits.
13374 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13375 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13376 (extenddftf2, trunctfdf2): New.
13378 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13380 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13381 * config/sparc/sol2.h: ... here.
13383 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13385 * basic-block.h (struct loops): New field `levels'.
13386 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13387 (flow_loop_level_compute): Initialise level to 1.
13388 (flow_loops_find): Set loops->levels.
13389 (flow_loops_dump): Print loops->levels.
13391 2000-01-23 Richard Henderson <rth@cygnus.com>
13393 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13394 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13396 2000-01-23 Richard Henderson <rth@cygnus.com>
13398 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13399 * i386.h (DBX_REGISTER_NUMBER): Use them.
13400 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13401 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13402 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13403 * i386/sequent.h: Kill incorrect comment.
13405 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13407 * ggc-page.c (struct page_entry): Make `context_depth' an
13409 (struct globals): Likewise.
13411 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13413 * loop.c (check_dbra_loop): When checking a loop for
13414 reversability, check the source of any stores to ensure
13415 they don't depend on an initial value.
13417 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13419 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13421 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13423 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13424 'pz_scan' into scope of entire function. Only affects
13425 compiles with -DDEBUG.
13427 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13429 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13430 section naming to that prior to 2000-01-07 patch.
13431 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13432 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13433 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13434 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13435 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13437 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13439 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13442 2000-01-21 Jim Wilson <wilson@cygnus.com>
13444 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13445 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13447 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13449 * cpphash.c (change_newlines): Delete function.
13450 (struct argdata): Delete 'newlines' and 'use_count' fields.
13451 (macroexpand): Remove code referencing those fields.
13453 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13455 * loop.c (loops_info): New variable.
13456 (loop_optimize): Allocate loops->array and free it on exit.
13457 Allocate memory for loops_info and assign to each loop,
13459 (find_and_verify_loops): Do not allocate loops->array.
13461 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13463 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13465 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13467 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13468 pseudos if expanded after first flow.
13469 (movdi_pic_label_ref): Likewise.
13471 2000-01-20 Richard Henderson <rth@cygnus.com>
13473 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13475 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13477 * Makefile.in (fixinc.sh): Depend on specs.
13478 * fixinc/Makefile.in: Add rule to create machname.h.
13479 (fixlib.o): Depend on machname.h.
13480 * fixinc/fixtests.c (machine_name): New test.
13481 * fixinc/fixfixes.c (machine_name): New fix.
13482 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13483 the machine_name test and fix.
13484 * fixinc/fixlib.h: Prototype it.
13485 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13486 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13488 * gcc.c (do_spec_1) [case P]: Take care not to create
13489 identifiers with three leading or trailing underscores.
13491 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13492 (fixincl): Don't specify libraries twice on link line.
13493 (gnu-regex.o): Remove special rule.
13494 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13495 defined by config.h. Do not define _REGEX_RE_COMP.
13496 (regcomp): Allocate and initialize a fastmap.
13497 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13499 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13501 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13503 2000-01-19 Richard Henderson <rth@cygnus.com>
13505 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13506 arguments with BB. Update all callers. Tidy line wrapping.
13508 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13510 * emit-rtl.c (try_split): Return last_insn if we split the
13513 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13515 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13516 (ix86_initial_elimination_offset): Declare.
13517 * i386.c (ix86_nsaved_regs): Break out from ...
13518 (ix86_can_use_return_insn_p): ... here.
13519 (ix86_emit_save_regs): Break out from ...
13520 (ix86_expand_prologue): ... here.
13521 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13523 (ix86_expand_epilogue): ... here.
13524 (ix86_compute_frame_size): Make static, add prototype.
13525 (ix86_initial_elimination_offset): Break out from ...
13526 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13528 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13530 * recog.h (OUT_FCN): Delete.
13532 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13534 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13536 * cppalloc.c: PROTO -> PARAMS.
13537 * cpperror.c: Likewise.
13538 * cppfiles.c: Likewise.
13539 * cpplib.c: Likewise.
13540 * cpplib.h: Likewise.
13542 * config/arm/arm-protos.h: PROTO -> PARAMS.
13543 * config/arm/arm.c: Likewise.
13544 * config/c4x/c4x.c: Likewise.
13545 * config/fr30/fr30-protos.h: Likewise.
13546 * config/nextstep.c: Likewise.
13547 * config/pa/pa.c: Likewise.
13548 * config/pj/pj.c: Likewise.
13549 * config/rs6000/rs6000.c: Likewise.
13550 * config/v850/v850-protos.h: Likewise.
13551 * config/v850/v850.c: Likewise.
13553 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13555 * i370-protos.h: New file.
13557 * i370.c: Include tm_p.h. Fix compile time warnings.
13559 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13562 * i370.md: Likewise.
13564 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13566 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13567 (target_isinf, target_isnan, eisnan): Mark parameter with
13569 (eiisinf): Wrap in INFINITY.
13570 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13571 (ibmtoe): Remove unused variable `rndsav'.
13573 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13575 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13576 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13578 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13580 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13581 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13582 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13584 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13585 Recognize Emacs mode markers also.
13586 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13587 C++ comments in C++ headers. Call is_cxx_header only if
13590 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13591 bypass for ncurses.
13592 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13593 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13594 ... these, which use the new C fixes.
13595 (math_exception): Escape literal '+' in bypass expression.
13597 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13600 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13602 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13605 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13607 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13608 prior to calling scan_loop.
13610 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13612 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13613 (split_branches, calc_live_regs): Likewise.
13615 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13617 * sh.md (fpu_single, fp_mode): New attributes.
13619 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13621 * loop.c (current_loop_info): Renamed from loop_info_data
13622 and changed to a pointer.
13623 (loop_optimize): Allocate loop_info structure for each loop
13624 and initialise to zero.
13625 (scan_loop): Set current_loop_info.
13627 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13630 2000-01-19 Richard Henderson <rth@cygnus.com>
13632 * stupid.c: Die die die.
13633 * Makefile.in (OBJS): Remove stupid.o.
13634 (stupid.o): Likewise.
13636 * except.c (emit_eh_context): Don't emit USEs for stupid.
13637 * explow.c (probe_stack_range): Likewise.
13638 * flags.h (obey_regdecls): Remove.
13639 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13640 when not optimizing.
13641 (life_analysis): Limit data collection when not optimizing.
13642 (mark_regs_live_at_end): Always mark the return value registers.
13643 (mark_used_regs): Remove dummy RETURN case.
13644 (print_rtl_with_bb): Don't consult obey_regdecls.
13645 * function.c (use_variable, use_variable_after): Remove.
13646 (assign_parms): Consult optimize not obey_regdecls.
13647 (expand_function_start): Don't emit USEs for stupid.
13648 (expand_function_end): Likewise.
13649 * global.c (build_insn_chain): Export.
13650 * integrate.c (expand_inline_function): Kill return-value USE
13652 * jump.c (jump_optimize_1): Do simple jump optimizations and
13653 dead code elimination.
13654 (calculate_can_reach_end): Remove check_deleted argument.
13655 (delete_insn): Patch out insns even when not optimizing.
13656 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13657 * rtl.h (use_variable, use_variable_after): Remove declarations.
13658 (build_insn_chain): Declare.
13659 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13660 (expand_end_bindings): Likewise.
13661 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13662 * toplev.c (obey_regdecls): Remove.
13663 (rest_of_compilation): Don't set it. Kill stupid in favour of
13664 flow1, local-alloc, and reload.
13665 (main): Don't set obey_regdecls.
13667 * config/nextstep.c (handle_pragma): Likewise.
13669 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13671 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13673 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13675 * alpha-protos.h: PROTO -> PARAMS.
13676 * alpha.c: Likewise.
13678 * h8300.c: Likewise.
13679 * i386-protos.h: Likewise.
13680 * i386.c: Likewise.
13681 * m32r-protos.h: Likewise.
13682 * m32r.c: Likewise.
13683 * mips.c: Likewise.
13684 * mips.md: Likewise.
13685 * gmon-sol2.c: Likewise.
13686 * sparc.c: Likewise.
13688 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13690 * ns32k-protos.h: New file.
13692 * ns32k.c: Fix compile time warnings.
13694 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13697 * ns32k.md: Likewise.
13699 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13701 * vax-protos.h: New file.
13703 * vax.c: Fix compile time warnings.
13705 * vax.h: Move prototypes to vax-protos.h. Fix compile time
13708 * vax.md: Likewise.
13710 * vaxv.md: Likewise.
13712 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13714 * romp-protos.h: New file.
13716 * romp.c: Fix compile time warnings.
13718 * romp.h: Move prototypes to romp-protos.h. Fix compile time
13721 * romp.md: Likewise.
13723 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13725 * we32k-protos.h: New file.
13727 * we32k.c: Fix compile time warnings.
13729 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
13732 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13734 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
13736 * except.c (eh_regs): Likewise.
13738 * final.c (output_operand): Likewise.
13740 * fold-const.c (target_isinf, target_isnan): Likewise.
13742 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13744 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
13745 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
13747 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
13748 when optimize_size.
13749 (clrstrsi): Rewrite.
13750 (strsethi, strsetqi): New expanders.
13751 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
13752 (cmpstrsi): Emit compare insn before cmpstrsi_1
13753 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
13754 (strlensi_1): Likewise.
13755 (cmpstrsi_1): Likewise; do not output compare.
13756 (strlen expander): Do not unroll when optimizing for size.
13757 (*subsi3_carry): Rename to subsi3_carry
13758 (addqi3_cc): New pattern.
13759 * i386.h (processor_costs): Add move_ratio field.
13760 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
13761 * i386.c (*_cost): Set move_ratio.
13762 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
13763 (x86_expand_strlensi_1): Rewrite the main loop.
13765 2000-01-17 Richard Henderson <rth@cygnus.com>
13767 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
13768 * cse.c (find_comparison_args, fold_rtx): Likewise.
13769 * integrate.c (subst_constants): Likewise.
13770 * loop.c (get_condition): Likewise.
13772 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
13774 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
13776 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13778 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
13779 (RESTORE_WARN_FLAGS): Unpack it.
13780 Change semantic type of extension to ttype.
13781 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
13782 * c-parse.y, c-parse.c, objc/objc-parse.y,
13783 objc/objc-parse.c: Regenerate.
13785 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
13787 * fixinc/fixlib.c: Add copyright notice.
13788 (compile_re): New function.
13789 * fixinc/fixlib.h: Prototype compile_re.
13791 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
13792 Use compile_re to compile regular expressions.
13794 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
13795 where the pattern matched.
13797 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
13799 (ultrix_ansi_compat): Likewise.
13800 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
13802 (interactv_add2, interactv_add3): Delete.
13803 (x11_sprintf): Don't use filename glob.
13804 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
13807 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13809 * print-rtl.c: PROTO -> PARAMS.
13810 * real.c: Likewise.
13811 * reg-stack.c: Likewise.
13812 * resource.c: Likewise.
13813 * sdbout.h: Likewise.
13814 * simplify-rtx.c: Likewise.
13815 * stor-layout.c: Likewise.
13816 * stupid.c: Likewise.
13817 * xcoffout.c: Likewise.
13818 * xcoffout.h: Likewise.
13820 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13822 * toplev.c: PROTO -> PARAMS.
13823 * toplev.h: Likewise.
13824 * tree.c: Likewise.
13825 * tree.h: Likewise.
13826 * unroll.c: Likewise.
13827 * varasm.c: Likewise.
13828 * varray.c: Likewise.
13829 * varray.h: Likewise.
13831 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13833 * reload.c: PROTO -> PARAMS.
13834 * reload.h: Likewise.
13835 * reload1.c: Likewise.
13836 * reorg.c: Likewise.
13837 * resource.h: Likewise.
13840 * rtlanal.c: Likewise.
13841 * sbitmap.h: Likewise.
13842 * sdbout.c: Likewise.
13843 * stack.h: Likewise.
13844 * stmt.c: Likewise.
13845 * system.h: Likewise.
13847 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13849 * machmode.h: PROTO -> PARAMS.
13850 * mbchar.h: Likewise.
13851 * mips-tdump.c: Likewise.
13852 * mips-tfile.c: Likewise.
13853 * optabs.c: Likewise.
13854 * output.h: Likewise.
13855 * prefix.c: Likewise.
13856 * profile.c: Likewise.
13857 * protoize.c: Likewise.
13858 * real.h: Likewise.
13859 * recog.c: Likewise.
13860 * recog.h: Likewise.
13861 * regclass.c: Likewise.
13862 * regmove.c: Likewise.
13863 * regs.h: Likewise.
13865 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13867 * ggc-common.c: PROTO -> PARAMS.
13868 * ggc-page.c: Likewise.
13869 * ggc-simple.c: Likewise.
13871 * global.c: Likewise.
13872 * graph.c: Likewise.
13873 * gthr-win32.h: Likewise.
13874 * haifa-sched.c: Likewise.
13875 * halfpic.h: Likewise.
13876 * integrate.c: Likewise.
13877 * integrate.h: Likewise.
13878 * jump.c: Likewise.
13880 * local-alloc.c: Likewise.
13881 * loop.c: Likewise.
13882 * loop.h: Likewise.
13884 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13886 * genattr.c: PROTO -> PARAMS.
13887 * genattrtab.c: Likewise.
13888 * gencheck.c: Likewise.
13889 * gencodes.c: Likewise.
13890 * genconfig.c: Likewise.
13891 * genemit.c: Likewise.
13892 * genextract.c: Likewise.
13893 * genflags.c: Likewise.
13894 * gengenrtl.c: Likewise.
13895 * genopinit.c: Likewise.
13896 * genoutput.c: Likewise.
13897 * genpeep.c: Likewise.
13898 * genrecog.c: Likewise.
13900 2000-01-16 Mark Mitchell <mark@codesourcery.com>
13902 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
13904 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13906 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
13907 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
13908 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
13909 * configure, config.in: Rebuilt.
13911 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
13913 * config/i386/i386.md: Add peephole to merge successive stack
13916 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
13918 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
13919 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
13920 when walking backwards to find all the parameter loads when
13921 the basic block ends in a call.
13923 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13925 * loop.c (this_loop_info): Delete.
13926 (uid_loop): Add in place of uid_loop_num. All uses updated.
13927 (loop_number_exit_count): Delete and replace with entry in loop
13928 structure. All uses updated.
13929 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13930 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13931 (loop_outer_loop): Likewise.
13932 (loop_invalid, loop_number_exit_labels): Likewise.
13933 (loop_used_count_register): Delete and replace with entry in
13934 loop_info structure.
13935 (find_and_verify_loops): Add loops argument.
13936 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
13937 loop_end, etc. arguments with loop structure pointer. All callers
13939 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
13940 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
13941 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
13942 (insert_bct): Likewise.
13943 (basic_induction_var): New argument level.
13944 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
13945 vtop, and cont. Add used_count_register.
13946 (uid_loop): Delete declaration.
13947 (loop_number_exit_count): Likewise.
13948 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13949 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13950 (loop_outer_loop, loop_used_count_register): Likewise.
13951 (loop_invalid, loop_number_exit_labels): Likewise.
13952 (unroll_loop): Replace loop_start and loop_end arguments
13953 with loop structure pointer.
13954 (loop_precondition_p, loop_iterations): Likewise.
13955 Include basic-block.h.
13956 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
13957 with loop structure pointer.
13958 (loop_precondition_p, loop_iterations): Likewise.
13959 * basic-block.h (struct loop): New entries vtop, cont,
13960 cont_dominator, start, end, top, scan_start, exit_labels,
13962 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
13964 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13966 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
13968 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
13970 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
13972 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13974 * pdp11-protos.h: New file.
13976 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
13979 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
13982 * pdp11.md: Likewise.
13984 * 2bsd.h: Likewise.
13986 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13988 * mn10300-protos.h: New file.
13990 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
13993 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
13996 * mn10300.md: Likewise.
13998 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14000 * mn10200-protos.h: New file.
14002 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
14005 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
14008 * mn10200.md: Likewise.
14010 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14012 * h8300-protos.h: New file.
14014 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
14017 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
14020 * h8300.md: Likewise.
14022 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14024 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
14025 (asm_emit_uninitialised): Likewise.
14027 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
14029 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
14030 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
14032 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14034 * config/mips/mips.c (override_options): Don't turn on extra
14035 alignment for mips16.
14037 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14039 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
14040 eabi, and make sure queued POSTINCREMENT rtl is emitted at
14043 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14045 * builtins.c (PAD_VARARGS_DOWN): Define.
14046 (std_expand_builtin_va_arg): Use the above macro.
14047 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
14048 * tm.texi (Register Arguments): Document the above macro.
14050 2000-01-14 Nick Clifton <nickc@cygnus.com>
14052 * emit-rtl.c (emit_insn): If checking is enabled, make sure
14053 that this function has not been used to emit a jump
14056 * jump.c (return_jump_1): Cope with being passed a null rtx.
14058 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14060 * eh-common.h: PROTO -> PARAMS.
14061 * emit-rtl.c: Likewise.
14062 * errors.c: Likewise.
14063 * errors.h: Likewise.
14064 * except.c: Likewise.
14065 * except.h: Likewise.
14066 * explow.c: Likewise.
14067 * expmed.c: Likewise.
14068 * expr.c: Likewise.
14069 * expr.h: Likewise.
14070 * final.c: Likewise.
14071 * fix-header.c: Likewise.
14072 * flow.c: Likewise.
14073 * fold-const.c: Likewise.
14074 * function.c: Likewise.
14075 * function.h: Likewise.
14077 * gcov-io.h: Likewise.
14078 * gcov.c: Likewise.
14079 * gcse.c: Likewise.
14081 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14083 * sh-protos.h: New file.
14085 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
14086 Add static prototypes. Fix compile time warnings.
14088 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
14092 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14094 * arc-protos.h: New file.
14096 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
14099 * arc.h: Move prototypes to arc-protos.h. Fix compile time
14102 * arc.md: Likewise.
14104 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14106 * dsp16xx-protos.h: New file.
14108 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
14111 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
14114 * dsp16xx.md: Likewise.
14116 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14118 * convex-protos.h: New file.
14120 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
14123 * convex.h: Move prototypes to convex-protos.h. Fix compile time
14126 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14128 * elxsi-protos.h: New file.
14130 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
14133 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
14136 * elxsi.md: Likewise.
14138 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14140 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
14141 case for moving from HI/LO/HI_LO_REG. This makes the behavior
14142 match the comment for MIPS16.
14144 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
14146 * flow.c (split_edge): Do not call set_block_for_insn if we
14147 do not have a basic_block_for_insn structure.
14149 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
14150 and destination functions are 32bit aligned within the trampoline.
14151 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
14152 (TRAMPOLINE_ALIGNMENT): Define.
14154 * cse.c (cse_insn): When changing (set (pc) (reg)) to
14155 (set (pc) (label_ref)), verify the change creates a valid insn.
14157 * fr30.c (call_operand): Tighten and rework to match rules for
14158 call RTL expressions.
14159 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
14160 * fr30.md (call patterns): Improve constraints.
14162 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
14164 * fr30.c (fr30_expand_epilogue): Revert last change.
14165 Use emit_jump_insn for the return insn.
14167 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
14168 Stan Cox <scox@cygnus.com>
14170 * predict.c: New file. Preliminary infrastructure work for static
14171 branch prediction and basic block reordering.
14172 * basic-block.h: Add prototype for estimate_probability.
14173 * Makefile.in: Add rules for predict.o.
14175 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
14177 * fixincludes (va_list): Use __not_va_list__ for the dummy.
14178 * fixinc/*: Likewise.
14180 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14182 * cccp.c: PROTO -> PARAMS.
14183 * cexp.y: Likewise.
14184 * collect2.c: Likewise.
14185 * combine.c: Likewise.
14186 * convert.h: Likewise.
14188 * dbxout.c: Likewise.
14189 * dbxout.h: Likewise.
14190 * diagnostic.c: Likewise.
14191 * doprint.c: Likewise.
14192 * dwarf2out.c: Likewise.
14193 * dwarf2out.h: Likewise.
14194 * dwarfout.c: Likewise.
14195 * dwarfout.h: Likewise.
14196 * dyn-string.h: Likewise.
14198 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14200 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
14201 macro conditionals guarding use.
14203 * dwarf2out.c: Include "tm_p.h".
14205 * function.c (locate_and_pad_parm): Mark parameter with
14207 (expand_function_end): Likewise for variable `context'.
14209 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
14211 2000-01-13 Nick Clifton <nickc@cygnus.com>
14213 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
14214 register to prevent compile time warnings.
14216 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
14218 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
14219 to avoid -Wtraditional warning.
14221 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14223 * 1750a-protos.h: New file.
14225 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
14228 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
14231 * 1750a.md: Likewise.
14233 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14235 * a29k-protos.h: New file.
14237 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
14240 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
14243 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14245 * clipper-protos.h: New file.
14247 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
14250 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
14253 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14255 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
14257 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14259 * configure.in (--enable-new-gxx-abi): New option.
14260 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14261 * Makefile.in (GXX_ABI_FLAG): New variable.
14262 * configure: Regenerate.
14264 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14266 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14267 * tm.texi (FORCE_STRUCT_BLK): Document.
14268 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14270 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14272 * config/ns32k/ns32k.md: Revert Jan 9 change.
14274 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14275 to a mode-test, if the predicate is address_operand.
14277 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14279 * combine.c (if_then_else_cond): Be careful about what kinds
14280 of RTL expressions are passed to operand_subword.
14282 * flow.c (split_edge): If we have to insert a new jump, make
14283 sure to associate it with a basic block.
14285 * flow.c (commit_one_edge_insertion): A block with one successor
14286 can end in a JUMP_INSN that is not a simplejump.
14288 2000-01-12 Robert Lipe <robertl@sco.com>
14290 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14291 (BUILD_VA_LIST_TYPE): Define.
14292 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14295 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14297 * cccp.c (do_pragma): Add cast to (char *).
14299 2000-01-12 Richard Henderson <rth@cygnus.com>
14300 Fred Fish <fnf@be.com>
14301 Jason Merrill <jason@cygnus.com>
14303 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14304 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14305 * i386/beos-elf.h, i386/beos-pe.h: New files.
14307 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14308 * cross-make (SYSTEM_HEADER_DIR): Define using
14309 CROSS_SYSTEM_HEADER_DIR.
14311 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14312 (process_command): Use it.
14313 (main): Likewise. Kill trailing = from env vars.
14314 (build_search_list): Put it back.
14315 * collect2.c (main): Use LIBRARY_PATH_ENV.
14317 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14318 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14320 * tm.texi (Frame Layout): Document SMALL_STACK.
14321 * c-common.c (c_common_nodes_and_builtins): Check it.
14323 * system.h: Undef alloca after including glibc's <stdlib.h>,
14324 if USE_C_ALLOCA is defined.
14326 * gcc.c (set_input): New fn.
14327 (main): After all input files are compiled, reset the input file
14330 * aclocal.m4 (rindex, index): If already defined, don't attempt
14333 * ginclude/varargs.h: (__va_list__): Define ifndef.
14334 * ginclude/stdarg.h: Likewise.
14336 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14337 instead of unsigned char.
14339 * hash.h (true, false, boolean): Undef before enum.
14341 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14342 proper type of "HOST_WIDE_INT *", rather than their natural type of
14343 "unsigned HOST_WIDE_INT *".
14345 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14347 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14349 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14351 * regclass.c (choose_hard_reg_mode): Likewise.
14353 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14355 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14357 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14359 * c-common.c: PROTO -> PARAMS.
14360 * c-common.h: Likewise.
14361 * c-decl.c: Likewise.
14362 * c-iterate.c: Likewise.
14363 * c-lang.c: Likewise.
14364 * c-lex.c: Likewise.
14365 * c-lex.h: Likewise.
14366 * c-parse.in: Likewise.
14367 * c-pragma.c: Likewise.
14368 * c-pragma.h: Likewise.
14369 * c-tree.h: Likewise.
14370 * c-typeck.c: Likewise.
14371 * objc/objc-act.c: Likewise.
14372 * objc/objc-act.h: Likewise.
14374 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14376 * m88k-protos.h: New file.
14378 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14381 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14383 * m88k.md: Likewise.
14385 * tekXD88.h: Likewise.
14387 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14389 * m68k-protos.h: New file.
14391 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14394 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14396 * mot3300.h: Likewise.
14398 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14400 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14402 (extract_bitlist): Declare bitlen.
14404 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14406 * cccp.c: Accept and ignore -lang-fortran.
14408 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14409 qualifiers don't match at any level of pointerness.
14411 2000-01-12 Robert Lipe <robertl@sco.com>
14413 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14415 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14417 * reload1.c (reload_reg_unavailable): New static variable.
14418 (reload_reg_free_p): Test it.
14419 (reload_reg_free_for_value_p): Test it instead of
14421 (choose_reload_regs_init): Compute it.
14423 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14425 * reorg.c (fill_slots_from_thread): Check modified_in_p
14428 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14430 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14431 these nodes even if INTERNALS is not set.
14433 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14435 * gcse.c (delete_null_pointer_checks_1): Cope when
14436 get_condition cannot determine the condition.
14438 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14440 * toplev.h (set_message_length): Declare.
14442 * diagnostic.c (obstack_chunk_alloc): Define macro.
14443 (obstack_chunk_free): Likewise.
14444 (struct output_buffer): New data structure.
14445 (vmessage): Remove.
14446 (output_maximum_width): New variable.
14447 (doing_line_wrapping, set_message_length, init_output_buffer,
14448 get_output_prefix, output_space_left, emit_output_prefix,
14449 output_newline, output_append, output_puts, dump_output,
14450 vbuild_message_string, build_message_string, build_location_prefix,
14451 voutput_notice, output_printf, line_wrapper_printf,
14452 vline_wrapper_message_with_location): New functions. Implement
14453 automatic line wrapping.
14454 (v_message_with_decl): Make it handle automatic line wrapping.
14455 (v_error_with_file_and_line): Likewise.
14456 (v_warning_with_file_and_line): Likewise.
14457 (announce_function): Likewise.
14458 (default_print_error_function): Likewise.
14460 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14462 * cpplib.h (struct cpp_options): Change lang_asm to char.
14464 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14465 done in cpp_handle_option now.
14466 (initialize_builtins): Take out special case code used only by
14468 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14469 if -traditional. Recognize -lang-fortran and set
14470 lang_fortran, also turn off cplusplus_comments.
14471 (print_help): Document -lang-fortran.
14472 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14473 lang_asm. Ignore all directives other than `# 123 "file"' if
14475 (cpp_get_token): If -traditional, don't recognize directives
14476 unless the # is in column 1.
14477 (parse_string): If lang_fortran or lang_asm, silently
14478 terminate strings ('' or "") at end of line.
14479 Remove unnecessary braces.
14481 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14482 Richard Henderson <rth@cygnus.com>
14484 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14486 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14487 strict_low_part when possible.
14489 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14491 * alias.c: PROTO -> PARAMS.
14492 * basic-block.h: Likewise.
14493 * bitmap.c: Likewise.
14494 * bitmap.h: Likewise.
14495 * builtins.c: Likewise.
14496 * c-aux-info.c: Likewise.
14497 * caller-save.c: Likewise.
14498 * calls.c: Likewise.
14500 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14502 * Makefile.in (toplev.o): Depend on regs.h.
14504 * output.h (tdesc_section): Prototype.
14506 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14508 * sdbout.c: Include "tm_p.h".
14510 * toplev.c: Include "regs.h".
14512 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14514 * unroll.c (unroll_loop): Add EH support.
14516 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14518 * pa-protos.h: New file.
14520 * pa.c: Include recog.h and tm_p.h.
14521 (compute_zdepwi_operands, compute_movstrsi_length,
14522 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14523 find_addr_reg, import_milli): Add static prototypes.
14524 (pa_cpu_string, pa_arch_string): Constify a char*.
14525 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14526 (read_only_operand): Add argument `mode'.
14527 (singlemove_string, output_move_double, output_fp_move_double,
14528 output_block_move, output_and, output_ior, output_ascii,
14529 remove_useless_addtr_insns, milli_names, output_mul_insn,
14530 output_div_insn, output_mod_insn, output_arg_descriptor,
14531 output_cbranch, output_bb, output_bvb, output_dbra, ,
14532 output_millicode_call, output_call, hppa_encode_label,
14533 output_parallel_movb, output_parallel_addb): Constify a char*.
14534 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14535 (output_parallel_addb): Remove extra arg to `constrain_operands'
14537 * pa.h: Move all prototypes to pa-protos.h.
14538 (pa_cpu_string, pa_arch_string): Constify a char*.
14539 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14541 * pa.md: Call `function_label_operand' with mode argument.
14542 Likewise for `read_only_operand'.
14543 Fix nesting of parens in call to `symbolic_operand'.
14545 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14547 * i860-protos.h: New file.
14549 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14552 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14554 * i860.md: Likewise.
14556 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14558 * i386.md (movstrsi expander): Rewrite.
14559 (movstrsi_1 insn): Deleted.
14560 (strmovhi, strmovqi expander): New expanders.
14561 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14562 * i386.c (x86_single_stringop): New global variable.
14563 * i386.h (x86_single_stringop): Declare.
14564 (TARGET_SINGLE_STRINGOP): New macro.
14566 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14568 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14569 integer vararg POSTINCREMENT before the destination of the jump
14570 for the hard fp case.
14571 (function_arg_pass_by_reference): Pass a copy of CUM to
14574 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14575 for CONSTANT_ADDRESS_P above while loop for subreg.
14577 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14579 * flow.c (propagate_block): When a prologue/epilogue insn
14580 is marked dead, unconditionally clear libcall_is_dead and
14581 insn_is_dead, and only dump rtl if warnings aren't being
14584 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14586 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14587 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14588 (FIXED_REGISTERS): Set dirflag as fixed.
14589 (CALL_USED_REGISTERS): Set dirflag as used.
14590 (REG_ALLOC_ORDER): Set dirflag as last one.
14591 (DIRFLAG_REG): New macro.
14592 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14593 (HI_REGISTER_NAMES): Add dirflag.
14594 (DEBUF_PRINT_REG): Handle dirflag.
14595 * i386.md (type attribute): New cld and str types.
14596 (length_opcode attribute): Set cld and str to 1.
14597 (memory attribute): Set str to unknown - it is not clear from the
14599 (pent_np function unit): Prefixed string operations takes 12 cycles
14600 minimally; cld takes 2 cycles.
14601 (ppro_uops attribute): Str is "many" and cld is "few".
14602 (ppro_p0 unit): Handle cld here.
14603 (k6_alux unit): Handle cld and str types.
14604 (k6_load unit): It is ocupied by str opcodes.
14605 (k6_store unit): It is ocupied by str opcodes.
14606 (athlon_decode): Str is vector decoded.
14607 (athlon_ieu): Handle str and cld.
14608 (cld pattern): New.
14609 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14610 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14611 cmpstrsi_nz_1 insn): Do not output cld instruction
14613 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14615 * gcc.texi (G++ and GCC): Add Java and Chill.
14616 (Bug Critera): Don't list languages.
14618 * gcc.texi (Incompatibilities): No longer claim most C compilers
14621 * gcc.texi (G++ and GCC): Update other front-ends list.
14623 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14625 * i386.c (ix86_expand_setcc): Fix typo.
14626 (ix86_expand_movcc): Similarly.
14628 * Band-aid until haifa's bitset implementation is nuked.
14629 * haifa-sched.c (extract_bitlst): New parameter for size of the
14630 bitset in bits. All callers changed. Avoid looking at undefined
14631 bits in the bitset.
14632 (edgeset_bitsize): New variable.
14633 (schedule_region): Initialize edgeset_bitsize.
14635 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14637 * Makefile.in (optabs.o): Depend on real.h
14638 (resource.o): Depend on insn-attr.h
14640 * builtins.c (result_vector): Wrap prototype in macro conditions
14641 governing definition and use.
14643 * c-common.c: Include tm_p.h.
14645 * c-lex.c: Likewise.
14647 * elfos.h: Constify a char*.
14649 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14650 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14651 parameter with ATTRIBUTE_UNUSED.
14653 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14656 * haifa-sched.c (schedule_insns): Mark parameter with
14659 * optabs.c: Include real.h.
14661 * real.h (ereal_atof): Add prototype arguments.
14663 * resource.c: Include insn-attr.h.
14665 * sdbout.c (sdbout_queue_anonymous_type,
14666 sdbout_dequeue_anonymous_types): Wrap in macro
14667 SDB_ALLOW_FORWARD_REFERENCES.
14668 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14671 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14673 * stupid.c: Include tm_p.h.
14675 * tree.c (real_value_from_int_cst): Mark parameter with
14678 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14680 * i960-protos.h: New file.
14682 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14685 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14687 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14689 * combine.c (expand_field_assignment): Do not discard SUBREGs
14690 while computing nonzero_bits.
14692 2000-01-09 Nick Clifton <nickc@cygnus.com>
14694 * config/arm/arm.c: Fix compile time warnings about signed vs
14695 unsigned constants.
14696 * config/arm/arm.h: Fix compile time warnings about signed vs
14697 unsigned constants.
14699 2000-01-09 Philip Blundell <philb@gnu.org>
14701 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14702 than `ldm' with only one register.
14703 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
14706 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
14709 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
14711 * config/ns32k/ns32k.md (load or push effective address): Operand 1
14714 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14716 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
14717 assignment used as truth value.
14719 * function.c (assign_temp): Mark parameter `dont_promote' with
14720 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
14721 PROMOTE_FOR_CALL_ONLY.
14723 * genrecog.c (write_subroutine): Mark variable `operands' with
14726 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
14729 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
14730 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
14732 * toplev.c (note_deferral_of_defined_inline_function): Likewise
14735 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14737 * config/c4x.h: Tidy up comments.
14738 * config/c4x.c: Likewise.
14740 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
14742 * fold-const.c (lshift_double, rshift_double): Handle
14743 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
14745 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14747 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
14748 in prepare_function_start().
14750 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
14752 * config/v850/v850.c (expand_epilogue): Interrupt functions no
14753 longer allocate extra stack for function calls.
14755 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14757 * config/c4x/c4x.md (*subqf3_set): Fix typo.
14759 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14761 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
14763 2000-01-07 David Edelsohn <edelsohn@gnu.org>
14765 * rs6000.c (processor_target_table): Add power3 as alias for 630.
14766 * aix43.h: Revert Aug 2 change.
14767 (HAS_INIT_SECTION): Define, not visible yet.
14768 (LD_INIT_SWITCH): Define, not visible yet.
14769 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
14771 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
14773 * collect2.c (main): Expand ld2 size further.
14774 (export_object_lst): Cast assignment to avoid warning.
14775 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
14776 (scan_prog_file, COFF): Do not collect initialization or
14777 finalization functions generated for entire shared object if
14778 init/fini support present.
14780 2000-01-07 Nick Clifton <nickc@cygnus.com>
14782 * config/elfos.h: Tidy up formatting of marcos. Make sure
14783 that .section directives are always prefixed by a tab.
14785 * config/svr4.h: Add #include "elfos.h" and remove duplicate
14788 2000-01-07 Matt Austern <austern@sgi.com>
14790 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
14793 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
14795 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
14797 (crtbegin.o, s-crtS): Likewise.
14799 2000-01-06 Richard Henderson <rth@cygnus.com>
14801 * alpha.md (adddi_2+1): Limit offset such that it will be
14802 loadable with a single ldah+lda pair.
14803 (adddi_2+2): Explicitly fail split if we can't make it work.
14805 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
14807 * protoize.c: Conditionally include unistd.h.
14808 (IS_SAME_PATH_CHAR): New macro.
14809 (IS_SAME_PATH): New macro.
14810 (CPLUS_FILE_SUFFIX): New macro.
14811 (cplus_suffix): New static variable.
14812 (is_abspath): New static function.
14813 (in_system_include_dir): Handle DOS style pathnames.
14814 (file_could_be_converted): Likewise.
14815 (file_normally_convertible): Likewise.
14816 (directory_specified_p): Likewise.
14817 (file_excluded_p): Likewise.
14818 (abspath): Likewise.
14819 (shortpath): Likewise.
14820 (referenced_file_is_newer): Likewise.
14821 (save_def_or_dec): Likewise.
14822 (do_processing): Likewise.
14824 (edit_file): Likewise. Use rename instead of link.
14825 (rename_c_file): Likewise. Don't rename syscalls file.
14826 (munge_compile_params): Define null device for DOS based systems.
14827 (process_aux_info_file): Use binary mode if appliable.
14828 (edit_file): Likewise.
14829 * invoke.texi (Running Protoize): Document C++ suffixes used.
14831 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
14832 IS_DIR_SEPARATOR macros.
14833 * collect2.c: Likewise.
14834 * cppinit.c: Likewise.
14835 * dwarf2out.c: Likewise.
14837 * gcov.c: Likewise.
14838 * prefix.c: Likewise.
14840 * toplev.c: Likewise.
14841 * system.h: And move to here.
14843 * prefix.c (update_path): Fix typo in variable name.
14845 2000-01-06 Richard Henderson <rth@cygnus.com>
14847 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
14848 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
14849 (count_reg_sets_1, count_reg_references): Likewise.
14850 (flow_loops_level_compute): Start counting actual loop depth at 1.
14851 (flow_loops_find): Likewise.
14852 * local-alloc.c (update_equiv_regs): Likewise.
14853 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
14855 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14857 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
14858 FIRST_PSEUDO_REGISTER
14859 * dwarf2out.c: Don't include frame.h
14860 * dwarfout.c: Likewise
14861 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
14864 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
14866 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14869 * i386.c (movsf splitter): Fix typo in my last checkin.
14871 2000-01-05 Nick Clifton <nickc@cygnus.com>
14873 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
14874 own definition of this macro.
14875 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
14876 flag_data_sections or UNIQUE_SECTION_P are true.
14878 * tm.texi (UNIQUE_SECTION): Document that it can be called for
14879 unitialised data decls.
14881 * config/i386/winnt.c (i386_pe_unique_section): Cope with
14882 being called for uninitialised data.
14884 * config/i386/interix.c (i386_pe_unique_section): Cope with
14885 being called for uninitialised data.
14887 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
14888 for uninitialised data.
14890 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
14891 for uninitialised data.
14893 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
14894 for uninitialised data.
14896 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
14897 (UNIQUE_SECTION_P): Always generate a unique section if
14898 flag_data_sections is true.
14899 (UNIQUE_SECTION): Also generate unique sections for
14900 uninitialised data.
14901 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
14902 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
14905 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14907 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
14910 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14912 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
14913 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
14914 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
14915 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
14916 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
14918 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
14920 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14922 * c-decl.c (finish_enum): Simplify code to determine minimum and
14923 maximum values of the enum, and calculate the type. Remove check
14924 for FUNCTION_DECLs in the values list, which cannot happen. Replace
14925 the DECL_INITIAL of each enumeration constant with a copy converted
14926 to the enumeration type. When updating variant types, don't bother
14927 updating the type itself.
14929 * c-typeck.c (build_binary_op): Simplify conditional expressions
14930 when weeding out spurious signed-unsigned warnings. Add new
14931 spurious warning category: if the unsigned quantity is an enum
14932 and its maximum value fits in signed_type(result_type). Update
14934 (build_conditional_expr): Warn here if one alternative is signed
14935 and the other is unsigned.
14937 2000-01-05 Nick Clifton <nickc@cygnus.com>
14939 * config/fr30/fr30.h: Remove extraneous comments.
14941 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
14943 * reload1.c (choose_reload_regs): When disabling a reload, also
14944 set reload_spill_index to -1.
14946 2000-01-04 Joel Sherrill (joel@OARcorp.com>
14948 * configure.in (m68*-*-rtemscoff*): New target, formal name for
14950 (m68*-*-rtemself*): New target.
14951 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
14952 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
14953 (sparc*-*-rtemself*): New target.
14954 (sparc*-*-rtems*): Now elf not a.out.
14955 * config/i386/rtems.h: Include config/rtems.h.
14956 * config/i386/rtemself.h: Include config/rtems.h.
14957 * config/i960/rtems.h: Include config/rtems.h.
14958 * config/m68k/rtems.h: Include config/rtems.h.
14959 * config/m68k/rtemself.h: Include config/rtems.h.
14960 * config/mips/rtems64.h: Include config/rtems.h.
14961 * config/pa/rtems.h: Include config/rtems.h.
14962 * config/rs6000/rtems.h: Include config/rtems.h.
14963 * config/sh/rtems.h: Include config/rtems.h.
14964 * config/sh/rtemself.h: Include config/rtems.h.
14965 * config/sparc/rtems.h: Include config/rtems.h.
14966 * config/sparc/rtemself.h: Include config/rtems.h
14968 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
14970 * final.c (shorten_branches): Correctly compute length of
14971 asms without operands.
14973 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
14975 * configure.in: Add pj target.
14976 * configure: Regenerate.
14977 * config/pj: New directory.
14978 * config/pj/lib1funcs.S: New file.
14979 * config/pj/linux.h: New file.
14980 * config/pj/pj.c: New file.
14981 * config/pj/pj.md: New file.
14982 * config/pj/pjl.h: New file.
14983 * config/pj/t-pj: New file.
14984 * config/pj/xm-pj.h: New file
14986 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
14988 * toplev.c (rest_of_compilation): Run shorten-branches before
14991 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14993 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
14994 macros so that they're consistent with their names.
14995 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14996 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14998 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15000 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
15001 modified inadvertently.
15003 2000-01-04 Joel Sherrill <joel@OARcorp.com>
15005 * configure.in (v850*-*-rtems*): New target.
15006 * configure: Regenerate.
15007 * config/v850/rtems.h: New file.
15009 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
15011 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
15012 (__gthread_key_create): Likewise.
15013 (__gthread_key_dtor): Likewise.
15014 (__gthread_once): Fix logic.
15015 (__gthread_key_delete): Cast away constness.
15017 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
15018 * invoke.texi: Document.
15019 * i386/mingw32.h (CPP_SPEC): Use.
15020 (LIBGCC_SPEC): Likewise.
15021 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
15023 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15025 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
15026 (HANDLE_PRAGMA_PACK): Undefine.
15027 (SLOW_UNALIGNED_ACCESS): Define.
15029 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15031 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15032 to default definition.
15033 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
15034 (store_fixed_bit_field): Call macro with word_mode and alignment.
15035 (extract_bit_field): Call macro with relevant mode and alignment.
15036 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15037 to default definition.
15038 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
15040 (move_by_pieces_ninsns): Likewise.
15041 (clear_by_pieces): Likewise.
15042 (emit_push_insn): Likewise.
15043 (store_field): Call macro with relevant mode and alignment.
15044 (expand_expr): Likewise.
15045 (expand_expr_unaligned): Likewise.
15047 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
15048 (SLOW_UNALIGNED_ACCESS): Define.
15049 (CASE_VECTOR_MODE): Always use 32-bit offsets.
15050 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
15051 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
15052 (toc_section): Likewise and .toc pseudo-op.
15053 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
15055 (TEXT_SECTION_ASM_OP): Likewise.
15056 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
15059 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
15060 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
15061 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
15062 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
15063 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
15065 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
15067 * regclass.c: Revert my Jan 4 change to loop cost computation.
15069 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15071 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
15074 2000-01-04 Stan Cox <scox@cygnus.com>
15076 * haifa-sched.c (build_control_flow): Change unreachable simple
15077 loop test to check if current block has only one predecessor.
15078 (find_rgns): Initialize degree. Use dest as degree index, not src.
15080 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15082 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
15084 * calls.c (expand_call): Likewise for
15085 `old_stack_arg_under_construction'.
15087 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
15089 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
15092 * gcc.c (execute): Likewise for `ut' and `st'.
15094 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
15096 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
15098 * jump.c (jump_optimize_1): Likewise for `temp2'.
15100 * local-alloc.c (block_alloc): Likewise for `r1'.
15102 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
15104 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
15105 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
15107 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
15110 * reload.c (find_reloads): Likewise for `goal_alternative_number'
15111 and `goal_earlyclobber'.
15113 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
15115 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
15117 * stupid.c (stupid_life_analysis): Likewise for `chain'.
15119 * unroll.c (copy_loop_body): Likewise for `copy'.
15121 * varasm.c (output_constructor): Likewise for `byte'.
15123 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15125 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
15126 all FP constants for constant->reg moves.
15127 (ix86_split_to_parts): Try to convert memory address into immediate
15128 when available in the constant pool.
15129 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
15131 (LEGITIMATE_CONSTANT_P): Return 1.
15132 * i386.md (pushsf): New splitter to convert constant pool memory
15133 reference to immediate.
15134 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
15137 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
15139 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
15140 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
15141 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
15142 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
15143 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
15145 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
15147 * ginclude/stdbool.h: Support compilation as C++.
15149 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15151 * fold-const.c (make_range): Don't try to reverse an unbounded range.
15153 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
15155 * regclass.c (regclass): Properly compute loop_cost. Adjust
15158 * regclass.c: Fix minor whitespace problems.
15160 2000-01-03 Anthony Green <green@cygnus.com>
15162 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
15163 Restore the pic register if required.
15165 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
15167 * c-common.c (format_char_info): Update comment.
15168 (check_format_info): Recognize 'z' modifier in the same way 'Z'
15169 was recognized. Emit warning for formats new in ISO C99 only
15170 if flag_isoc9x is not set.
15172 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
15174 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
15176 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15178 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
15179 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
15180 (make_compound_operation): Choose cheaper alternative between
15181 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
15183 * regclass.c (op_costs): Remove global variable.
15184 (record_reg_classes): New parameter "op_costs" and "reg_pref".
15185 (record_operand_costs): Break out from ...
15186 (scan_one_insn): ... here.
15187 (dump_regclass): Make dumps nicer.
15188 (regclass): Dump preferrences choosed and changes done during passes.
15190 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15192 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
15194 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15196 * config/sparc/sparc.c (gen_df_reg): New function.
15197 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
15198 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
15199 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
15200 movtf_cc_reg_sp64+1): Use it.
15202 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15204 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
15205 copied LABEL_DECLs.
15207 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15209 * config/i386/i386.c (ix86_expand_unary_operator): Function
15210 definition made void.
15211 (ix86_expand_binary_operator): Update outdated preceding comment.
15212 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
15215 * config/i386/i386.c (override_options): Fix option-name typo.
15217 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15219 * system.h (CEIL): Define.
15220 * builtins.c (CEIL): Remove.
15221 * expmed.c (CEIL): Likewise.
15222 * expr.c (CEIL): Likewise.
15223 * stor-layout.c (CEIL): Likewise.
15225 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15227 * expr.c (store_constructor_field): Fix typo introduced with last
15230 2000-01-01 Mark Mitchell <mark@codesourcery.com>
15232 * tree.h (BINFO_N_BASETYPES): New macro.
15234 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
15236 * expmed.c (emit_store_flag): Prevent losing a pending stack
15237 adjust the same way we prevent losing queued increments.
15239 See ChangeLog.2 for earlier changes.