1 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
6 S2000-06-03 Geoff Keating <geoffk@cygnus.com>
8 * alias.c (record_component_aliases): Don't inspect
9 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
11 at Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
13 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
14 it with the pattern to do machine dependent work.
15 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
16 use it to modify the true/false tests used in conditional
17 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
18 defined, invoke them if the conversion to conditional execution
19 was successful or not.
21 * tm.texi (IFCVT_MODIFY_TESTS): Document.
22 (IFCVT_MODIFY_INSN): Ditto.
23 (IFCVT_MODIFY_FINAL): Ditto.
24 (IFCVT_MODIFY_CANCEL): Ditto.
26 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
28 * toplev.c (main): Fix misspellings of possibility and language.
30 2000-06-03 Richard Henderson <rth@cygnus.com>
32 * alias.c (record_alias_subset): Initialize has_zero_child in the
35 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
37 * arm.md (untyped_call): Use GEN_CALL macro.
39 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
41 * Makefile.in: Use $(MAKE) not "make"
43 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
45 * alias.c (struct alias_set_entry): New field has_zero_child.
46 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
47 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
49 Call record_component_aliases for aggregate types.
50 (record_alias_subset): Set has_zero_child.
51 (record_component_aliases, case ARRAY_TYPE): Do nothing if
52 TYPE_NONALIASES_COMPONENT.
53 (record_component_aliases, case RECORD_TYPE): Test
54 DECL_NONADDRESSABLE_P.
55 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
57 * calls.c (initialize_argument_information): Only test
58 TYPE_TRANSPARENT_UNION for UNION_TYPE.
59 * function.c (assign_parms): Likewise.
60 * integrate.c (function_cannot_inline_p): Likewise.
61 * stor-layout.c (finish_record_layout): Don't call
62 record_component_aliases.
63 * tree.h (struct tree_int_cst): Use struct tree_common.
64 (struct tree_real_cst, struct tree_string): Likewise.
65 (struct tree_complex, struct tree_identifier): Likewise.
66 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
67 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
68 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
69 (TYPE_NONALIASES_COMPONENT): New macro.
70 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
71 (DECL_NONADDRESSABLE_P): New macro.
72 (struct tree_decl): Reorder bits for clarity of how many left;
75 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
77 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
78 * mklibgcc.in (force): New target.
79 Make LIB2ADD stuff depend on it.
81 2000-06-02 Richard Henderson <rth@cygnus.com>
83 * alias.c (lang_get_alias_set): Remove.
84 (get_alias_set): Call it directly, not indirectly.
85 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
86 * c-common.h (c_get_alias_set): Don't declare.
87 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
88 * expr.h (lang_get_alias_set): Declare as function, not pointer.
90 2000-06-02 Bruce Korb <bkorb@gnu.org>
92 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
93 (server_setup): define the server's master pid
94 (close_server): actually do the deed IFF we are the server's master
96 2000-06-02 Jakub Jelinek <jakub@redhat.com>
98 * c-common.c (c_get_alias_set): Check whether signed_type did not
99 return its argument before calling get_alias_set on the result.
101 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
103 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
105 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
107 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
108 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
109 for TARGET_NOMACSAVE.
110 (NOMACSAVE_BIT): Define.
111 (TARGET_NOMACSAVE): Define.
112 (TARGET_SWITCHES): Add "nomacsave".
114 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
116 * sh.md (untyped_call): Remove excess parameters
118 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
120 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
121 match that used before the conversion to c_fix style.
122 * fixinc/fixincl.x: regenerate
124 2000-06-01 Stan Cox <scox@cygnus.com>
126 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
129 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
131 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
133 * cpplib.c (parse_include): Remove support for VAX-C
134 "#include starlet" misfeature.
136 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
138 * cppfiles.c: conditionally define O_BINARY.
139 (open_include_file): pass O_BINARY to open().
141 2000-06-01 Richard Henderson <rth@cygnus.com>
143 * i960.c (i960_br_predict_opcode): Remove.
144 (i960_print_operand) [+]: Emit branch prediction hints.
145 (i960_function_arg): Return early for VOIDmode.
146 (i960_round_align): Return early for incomplete types.
147 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
148 * i960.md (all conditional branches): Add "%+".
150 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
152 * alias.c (get_alias_set): Don't call language-specific routine more
153 than is needed and clean up code a bit.
154 * c-common.c (c_get_alias_set): All references whose type
155 is char get alias set 0, but character types need not.
156 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
157 (make_decl_rtl): Don't call it for FUNCTION_DECL.
159 2000-06-01 Bruce Korb <bkorb@gnu.org>
161 * fixinc/tests/base/...: new base result files
163 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
165 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
166 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
167 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
170 2000-06-01 Richard Henderson <rth@cygnus.com>
172 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
174 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
176 2000-05-31 Richard Henderson <rth@cygnus.com>
178 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
179 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
180 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
182 2000-05-31 Richard Henderson <rth@cygnus.com>
184 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
185 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
186 (ia64_print_operand) [+]: ... here. Use current_output_insn.
187 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
188 * config/ia64/ia64.md (all branch/call patterns): Use %+.
190 2000-05-31 Richard Henderson <rth@cygnus.com>
192 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
194 2000-05-31 Richard Henderson <rth@cygnus.com>
196 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
198 (find_if_block): Allow THEN with no outgoing edges.
199 * flow.c (merge_blocks_nomove): Remove a barrier not following
202 2000-05-31 Richard Henderson <rth@cygnus.com>
204 * flow.c (propagate_block): Move initialization of mem_set_list ...
205 (init_propagate_block_info): ... here. Also track blocks with
206 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
208 2000-05-31 Richard Henderson <rth@cygnus.com>
210 * jump.c (jump_optimize_1): Revert 05-18 change.
212 2000-05-31 Mark Mitchell <mark@codesourcery.com>
214 * invoke.texi: Remove documentation for -fguiding-decls.
216 2000-05-31 Richard Henderson <rth@cygnus.com>
218 * configure.in: Fix typo last change.
220 2000-05-31 Philipp Thomas <pthomas@suse.de>
222 * configure.in (enable-nls): Enable if build == host, i.e. when
223 not building a canadian cross compiler.
224 (enable-maintainer-mode): Added for use with i18n.
225 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
226 cross section of ALL_LINGUAS and LINGUAS.
227 * configure: Rebuild.
229 2000-05-31 Bruce Korb <bkorb@gnu.org>
231 * fixinc/check.tpl: rework to use test result tree
232 * fixinc/Makefile.in: change invocation of check script
233 * fixinc/check.diff: No longer needed
234 * fixinc/fixincl.x: regenerate
235 * fixinc/inclhack.def: add new tests
236 * fixinc/tests/base/arch/i960/archI960.h: New test result
237 * fixinc/tests/base/curses.h: modified test result
238 * fixinc/tests/base/stdio.h: ditto
239 * fixinc/tests/base/time.h: ditto
240 * fixinc/tests/base/sys/asm.h: ditto
241 * fixinc/tests/base/sys/stat.h: ditto
242 * fixinc/tests/base/sys/wait.h: ditto
244 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
246 * except.c (clear_function_eh_region): Do not free NULL.
248 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
250 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
251 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
252 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
253 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
254 (find_base_decl): New function, from c_find_base_decl in c-common.c.
255 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
256 (get_alias_set): Likewise.
257 Major rework to do more things and allow language-specific code
258 to just handle special-cases.
259 (record_alias_subset): Args are HOST_WIDE_INT.
260 (record_component_alias): Local vars are HOST_WIDE_INT.
261 Don't handle COMPLEX_EXPR.
262 (get_varargs_alias_set): Moved from builtins.c.
263 (get_frame_alias_set): New function.
264 * builtins.c (expand_builtin_return_address): Use frame alias set.
265 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
267 (get_memory_rtx): Rework to use set_mem_attributes.
268 (get_varargs_alias_set): Deleted from here.
269 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
270 (c_find_base_decl): Deleted from here.
271 (c_get_alias_set): Remove many cases and rework to just handle
273 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
274 * c-decl.c (rtl.h, expr.h): Now included.
275 (init_decl_processing): Call record_component_aliases on array types.
276 (grokdeclarator): Likewise.
277 Set TREE_ADDRESSABLE for all fields that are not bitfields.
278 * c-typeck.c (common_type): Call record_component_aliases for array.
279 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
280 Set all save areas to the frame alias set.
281 * calls.c (initialie_argument_information): Call set_mem_attributes.
282 (compute_argument_addresses, expand_call): Likewise.
283 * explow.c (set_mem_attributes): New function.
284 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
285 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
286 LEN and OFFSET now HOST_WIDE_INT.
287 (clear_by_pieces): Similar changes.
288 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
289 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
290 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
291 (clear_by_pieces_1): Likewise.
292 (emit_push_insn): Call set_mem_attributes.
293 (expand_expr, case INDIRECT_REF): Likewise.
294 (expand_expr, case VAR_DECL): Call change_address.
295 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
297 (get_varargs_alias_set, get_frame_alias_set): New decls.
298 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
299 (new_alias_set, set_mem_attributes): Likewse.
300 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
301 (assign_stack_temp_for_type): Likewise.
302 Can split slot even if alias set since can copy.
303 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
304 (assign_temp): Use host_integerp and tree_low_cst.
305 (put_var_into_stack): Properly handle SAVE_EXPR.
306 (put_addressof_into_stack): Likewise.
307 (assign_parms): Call set_mem_attributes.
309 (fix_lexical_address): Put reference to chain into frame alias set.
310 (expand_function_start): Call set_mem_attributes.
311 * integrate.c (expand_inline_function): Likewise.
312 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
313 * regmove.c (try_apply_stack_adjustment): Likewise.
314 * reload.c (push_reload, make_memloc): Likewise.
315 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
316 * rtl.def (MEM): Update comment.
317 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
318 (move_by_pieces): Change length to HOST_WIDE_INT.
319 (record_base_value, record_alias_subset): Delete from here.
320 * stmt.c (expand_decl): Call set_mem_attributes.
321 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
322 * toplev.c (compile_file): Call init_alias_once earlier.
323 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
324 from here: now in alias.c.
325 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
326 (struct tree_decl): Likewise.
327 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
328 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
329 (output_constant_def, force_const_mem): Likewise.
331 * flow.c (propagate_block): If block has no successors, stores to
332 frame are dead if not used.
334 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
336 * stmt (expand_end_case): Reorder conversion sequence for jump
337 table to avoid extra truncations.
339 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
341 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
342 in the block is more than just a simple conditional branch.
343 (noce_process_if_block): Similarly.
345 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
347 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
350 2000-05-30 Michael Meissner <meissner@redhat.com>
352 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
353 instructions. Treat LO_SUM operations as loading the full integer
356 2000-05-30 Richard Henderson <rth@cygnus.com>
358 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
360 2000-05-30 Richard Henderson <rth@cygnus.com>
362 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
364 2000-05-30 Bruce Korb <bkorb@gnu.org>
366 * fixinc/tests/*: Added expected result files for fixinc's make check
367 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
369 2000-05-30 Richard Henderson <rth@cygnus.com>
371 * config/alpha/alpha.md (*setne_internal): Use match_operator
372 instead of working down from insn.
374 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
376 * invoke.texi (-Wtraditional): Update WRT function macros.
378 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
380 * except.c (free_exception_table): Do not free NULL.
382 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
384 * cpplib.c (do_if): Don't save and restore only_seen_white here.
385 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
388 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
390 * flow.c (mark_used_reg): If a register is unconditionally live,
391 remove any conditional death information.
393 2000-05-29 Richard Henderson <rth@cygnus.com>
395 * final.c (current_output_insn): New.
396 (final_scan_insn): Set it.
397 * output.h: Declare it.
399 2000-05-29 Richard Henderson <rth@cygnus.com>
401 * stor-layout.c (finalize_record_size): Fix typo.
403 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
406 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
408 * cpplib.h (cpp_reader): Remove if_stack. Change
409 potential_control_macro to a cpp_hashnode *. Add skipping flag.
410 * cpphash.h (struct ihash): Change control_macro to a
411 cpp_hashnode * and shorten name to cmacro.
412 Add NEVER_REINCLUDE constant.
414 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
415 Examine the cmacro node directly, no need to call cpp_defined.
416 (_cpp_execute_include, read_include_file): Set cmacro to
417 NEVER_REINCLUDE, not U"".
418 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
419 (cpp_get_token): If pfile->skipping is true, discard text and
420 keep scanning until we hit a directive; don't expand macros.
422 * cpplib.c (struct if_stack): Remove if_succeeded, add
423 was_skipping. Change control_macro to a cpp_hashnode * and
424 shorten name to cmacro. Remove typedef IF_STACK.
425 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
426 (conditional_skip, skip_if_group,
427 consider_directive_while_skipping): Delete.
428 (push_conditional): New.
429 (_cpp_handle_directive): Don't process directives other than
430 conditionals if we are skipping.
432 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
433 Update to new scheme.
434 (validate_else): Skip rest of line here, unconditionally.
435 (_cpp_unwind_if_stack): The stack is per-buffer. Force
438 (all): Remove `scare quotes' from error messages.
440 2000-05-29 Richard Henderson <rth@cygnus.com>
442 * function.c (emit_return_into_block): New line_note arg; emit it.
443 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
444 for the close brace to accompany HAVE_return. Move all line notes
445 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
447 2000-05-29 Richard Henderson <rth@cygnus.com>
449 * longlong.h [__alpha] (count_leading_zeros): New.
450 (count_trailing_zeros): New.
451 (COUNT_LEADING_ZEROS_0): New.
453 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
454 (alpha_split_conditional_move): New.
455 * config/alpha/alpha-protos.h: Prototype them.
456 * config/alpha/alpha.h (PREDICATE_CODES): Update.
457 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
458 * config/alpha/alpha.md: Update ffs cix commentary.
460 (*nabssf2, *nabsdf2): New.
461 (*mov[qhsd]icc_internal): Use add_operand.
462 (if_then_else constant splitters): New.
463 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
464 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
466 2000-05-29 Richard Henderson <rth@cygnus.com>
468 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
469 a constant to NEG or NOT when conditions allow.
471 * combine.c (combine_simplify_rtx): Don't create an if_then_else
472 unless both args are general_operand. Don't canonicalize plus
473 to ior unless it helps.
475 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
476 instead track register_life_up_to_date. Toggle no_new_pseudos
479 2000-05-28 Geoff Keating <geoffk@cygnus.com>
481 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
482 so output_operand doesn't see them.
484 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
486 * lcm.c (make_preds_opaque): Fix comment.
487 (optimize_mode_switching): Use NORMAL_MODE instead of
488 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
489 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
490 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
491 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
492 (MODE_USES_IN_EXIT_BLOCK): Delete.
493 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
494 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
495 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
496 (MODE_NEEDED): Don't look for USE.
497 (EPILOGUE_USES): Define.
499 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
501 * mklibgcc.in (all): Variable initialised to `libgcc'.
503 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
505 * toplev.h (skip_leading_substring): New macro.
506 * toplev.c (decode_f_option): Use skip_leading_substring instead
508 (decode_W_option): Likewise.
510 2000-05-28 Nick Clifton <nickc@cygnus.com>
512 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
515 2000-05-28 Richard Henderson <rth@cygnus.com>
517 * regclass.c (record_operand_costs): Protect reg_changes_size
518 with CLASS_CANNOT_CHANGE_SIZE.
520 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
522 2000-05-28 Richard Henderson <rth@cygnus.com>
524 * function.c (diddle_return_value): A pcc-style struct return
527 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
529 * cppfiles.c: Read files in, using mmap if possible, then
530 prescan them separately.
531 (read_file, read_with_read): New functions.
532 * cpplex.c: Don't define UCHAR_MAX.
533 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
536 * cppinit.c (handle_option): Automatically define __cplusplus,
537 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
538 the respective -lang switch.
540 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
541 prototype): Move to...
542 * cpplib.h: ... here. Rename struct hashnode to struct
543 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
544 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
546 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
548 * config/rs6000/rs6000.md (movsi): Constify 'name'.
550 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
551 (class_can_change_size): New variable.
552 (reg_changes_size): New variable.
553 (init_reg_sets_1): Initialise class_can_change_size.
554 (record_operand_costs): Remove subreg_changes_size.
555 Don't pass it around. Instead update reg_changes_size.
556 (regclass): Initialise and free reg_changes_size. If a register
557 changes size, don't preference it to a class that contains
558 registers that can't change size.
559 (record_reg_classes): Don't look at subreg_changes_size.
561 2000-05-27 Richard Henderson <rth@cygnus.com>
563 * print-rtl.c (reg_names): Remove const.
564 * regclass.c (reg_names): Likewise.
565 * regs.h (reg_names): Likewise.
566 * hard-reg-set.h (reg_names): Likewise.
568 2000-05-27 Richard Henderson <rth@cygnus.com>
570 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
572 2000-05-27 Richard Henderson <rth@cygnus.com>
574 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
575 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
576 (alpha_expand_prologue): Emit prologue_mcount if needed.
577 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
578 * config/alpha/alpha.md (prologue_mcount): New.
579 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
580 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
581 * config/alpha/netbsd.h: Likewise.
583 2000-05-27 Richard Henderson <rth@cygnus.com>
585 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
586 change to config/elfos.h.
588 2000-05-27 Richard Henderson <rth@cygnus.com>
590 * Makefile.in (resource.o): Depend on except.h.
591 * except.h (output_exception_table_data): Prototype.
592 * genconfig.c (gen_peephole2): Prototype.
593 * genemit.c (main): Include ggc.h.
594 * genoutput.c: Revert parts of last change: include errors.h
595 (main): Set progname.
596 * recog.c: Include hard-reg-set.h before recog.h.
597 * resource.c: Include except.h.
599 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
601 (alpha_write_linkage): Protect with BUFSIZ.
602 (alpha_need_linkage): Update prototype.
603 * config/alpha/alpha.c (function_arg): Move VMS code here.
604 (alpha_links_base): Remove.
606 (mark_alpha_links_node, mark_alpha_links): New.
607 (alpha_write_one_linkage): New.
608 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
609 (alpha_write_linkage): Use splay_tree_foreach.
610 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
611 to get the linkage symbol.
612 (call_value_vms): Likewise.
613 * config/alpha/elf.h (output_file_directive): Remove decl.
614 (ctors_section, dtors_section): Prototype.
615 (sbss_section, sdata_section): Prototype.
616 * config/alpha/vms.h (FUNCTION_ARG): Remove.
617 (readonly_section, link_section, literals_section): Prototype.
618 (ctors_section, dtors_section): Prototype.
619 (vms_valid_decl_attribute_p): Remove decl.
620 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
622 2000-05-27 Geoff Keating <geoffk@cygnus.com>
624 * reload.c (get_secondary_mem): Don't widen floating-point modes.
626 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
627 substituting the REG in a (subreg:X (reg:Y ...)).
629 2000-05-28 Neil Booth <NeilB@earthling.net>
631 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
632 first token of a line BOL. Update EOF code for this.
633 Remove illegal directive check - it appears in the (not
634 yet committed) caller.
635 * cpplib.h (BOL): New flag.
637 2000-05-28 Neil Booth <NeilB@earthling.net>
639 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
640 (_cpp_free_toklist): No comment space to free.
641 (expand_comment_space): Remove.
642 (save_comment_space): Place the comment in the current token and
643 not in a separate comment space.
644 (_cpp_lex_line): Save comments during plain code and #define
646 * cpplib.h (struct _cpp_toklist): Remove comment space.
648 2000-05-28 Neil Booth <NeilB@earthling.net>
650 * cppexp.c (parse_assertion): Supply extra argument to
652 * cpplib.c (do_assert, do_unassert): Similarly.
653 * cpphash.h (_cpp_init_toklist) Update.
654 (_cpp_expand_token_space): New.
655 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
656 * cpplex.c (_cpp_init_toklist): New argument.
657 (parse_string2): New argument multiline_ok.
658 (spell_token): Take a const cpp_token *.
659 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
660 (SPELL_ macros): Replace with enum.
661 (expand_token_space): Replace with _cpp_expand_token_space.
663 (IS_DIRECTIVE): Update.
664 (_cpp_lex_line): Update token structure before parsing number.
665 Don't assume start at beginning of token list.
666 (save_comment): Use INIT_TOKEN_NAME.
668 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
670 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
671 -Wmissing-prototypes.
672 * configure: Regenerate.
673 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
675 * builtins.c, calls.c: Change all instances of gen_call_* or
676 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
677 * calls.c (struct_value_size_rtx): Separate definition from
678 initialization to avoid unused variable warning.
680 * genflags.c (gen_macro): New function.
681 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
682 (gen_nonproto): Delete.
683 (gen_insn): Put all insns on the same obstack.
684 (main): Generate prototypes for everything unconditionally.
686 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
687 out check for wchar_t.
688 * acconfig.h: Add template for ssize_t. Remove @TOP@.
689 * system.h: Add infrastructure for defining missing
690 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
691 definitions of UCHAR_MAX and SSIZE_MAX.
692 * configure: Regenerate.
693 * config.in: Regenerate.
695 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
696 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
698 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
699 libgcc2.a, or libgcc1.null.
701 2000-05-27 Richard Henderson <rth@cygnus.com>
703 * Makefile.in (recog.o): Don't depend on resource.h.
704 * recog.c: Don't include resource.h.
705 (recog_last_allowed_insn): Remove.
706 (recog_next_insn): Remove.
707 (struct peep2_insn_data): New.
708 (peep2_insn_data, peep2_current): New.
709 (peep2_next_insn): New.
710 (peep2_regno_dead_p, peep2_reg_dead_p): New.
711 (peep2_find_free_register): New.
712 (peephole2_optimize): Track life information by insn as we go.
713 * recog.h: Update declarations.
714 * resource.c (find_free_register, reg_dead_p): Remove.
715 * resource.h: Remove their declarations.
716 * toplev.c: Include hard-reg-set.h before recog.h.
718 * genconfig.c (max_insns_per_peep2): New.
719 (gen_peephole2): New.
721 * genemit.c (output_peephole2_scratches): Generate calls to
722 peep2_find_free_register; adjust surrounding code.
723 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
724 * genrecog.c (change_state): Don't track last_insn.
725 (write_action): Write into *_pmatch_len before accepting.
726 (write_tree): Adjust peephole2_insns and subroutines to match.
728 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
730 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
731 (hard_int_register_operand): New.
732 * config/alpha/alpha-protos.h: Declare it.
733 * config/alpha/alpha.h (PREDICATE_CODES): Update.
734 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
735 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
737 2000-05-27 Richard Henderson <rth@cygnus.com>
739 * function.c (thread_prologue_epilogue_insns): Don't move the
740 line note at the head of the chain. Only force a lineno note
741 before the end of block 0.
743 2000-05-27 Richard Henderson <rth@cygnus.com>
745 * gensupport.c (collect_insn_data): Record the maximum number
746 of alternatives, not the last seen.
748 * genoutput.c: Don't include errors.h.
749 (struct data): Add lineno member.
751 (scan_operands): Use message_with_line instead of error.
752 (validate_insn_alternatives): Likewise.
753 (gen_insn): Accept and store the pattern's line number.
754 (gen_peephole, gen_expand, gen_split): Likewise.
755 (main): Don't set progname. Pass line_no to gen_foo.
757 2000-05-27 Richard Henderson <rth@cygnus.com>
759 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
760 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
761 * config/d30v/d30v.md (attr predicable): New.
762 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
763 (andsi3*): Unify into one pattern.
764 (iorsi3*, xorsi3*): Likewise.
765 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
767 (old cond_exec patterns): Remove.
768 (define_cond_exec): New.
770 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
772 * tree.h (TREE_CODE_LENGTH): New macro.
773 * c-common.c (c_find_base_decl): Use it.
774 * expr.c (safe_from_p): Likewise.
775 * print-tree.c (print_node): Likewise.
776 * tree.c (make_node, copy_node, get_identifier): Likewie.
777 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
778 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
779 * fold-const.c (make_range): Likewise.
780 (fold): Likewise; also use first_rtl_op.
781 * c-iterate.c (collect_iterators): Use first_rtl_op.
782 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
783 Use IS_EXPR_CODE_CLASS.
784 (preexpand_calls): Likewise.
785 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
786 and TREE_CODE_LENGTH.
787 * stmt.c (warn_if_unused_value): If no operands, no unused value.
789 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
791 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
793 (movdi_internal64): Likewise.
795 * config/rs6000/rs6000.md: Correct order of operands for DImode
798 * config/rs6000/rs6000.c (boolean_or_operator): New function.
799 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
800 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
801 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
802 boolean_operator for the boolean patterns without NOTs.
804 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
805 from reg_or_u_cint_operand. Change comment and behaviour.
806 (logical_operand): Clean up, add assertion.
807 (non_logical_cint_operand): Also check for
808 reg_or_logical_cint_operand.
809 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
810 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
816 2000-05-26 Mark Mitchell <mark@codesourcery.com>
818 * tree.h (struct record_layout_info): Rename to (struct
819 record_layout_info_s).
820 * stor-layout.c (start_record_layout): Replace
821 `record_layout_info' with `record_layout_info_s'.
823 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
825 * flow.c (find_label_refs): New function.
826 (find_basic_blocks_1): Call it for each alternative of a call
829 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
831 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
834 2000-05-25 Richard Henderson <rth@cygnus.com>
836 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
837 so strict about DImode.
838 (alpha_swapped_comparison_operator): Likewise.
839 * config/alpha/alpha.md (*setne_internal): Name it. Allow
840 any integer output mode.
841 (*setcc_internal): Likewise.
842 (*setcc_swapped_internal): Likewise.
843 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
844 (*mov[qhs]icc_internal): New.
845 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
847 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
849 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
851 2000-05-25 Richard Henderson <rth@cygnus.com>
853 * bb-reorder.c (reorder_block_def): Reorder elements for size.
854 Remove add_jump; add next; replace flags with visited.
856 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
857 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
858 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
859 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
861 (reorder_index, reorder_last_visited): Remove.
862 (skip_insns_after_block): Rewrite to use a switch.
863 (get_common_dest): Remove.
864 (chain_reorder_blocks): Remove.
865 (record_effective_endpoints): Split out from reorder_basic_blocks.
866 (make_reorder_chain): Likewise. Loop until all blocks are placed.
867 (make_reorder_chain_1): Renamed from old make_reorder_chain.
868 Only construct the reorder chain, do not move insns. Try harder
870 (label_for_bb, emit_jump_to_block_after): New.
871 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
872 and adjust the jump insns appropriately. Fixup basic_block_info.
873 (verify_insn_chain): Always define.
874 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
876 (make_new_scope): Don't write zeros to calloc'd space.
877 (build_scope_forest): Rely on xrealloc to DTRT.
878 (reorder_basic_blocks): Don't build loop nest. Don't fail if
879 profile_arc_flag. Streamline EH test.
881 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
882 * basic-block.h: Declare them.
884 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
886 * emit-rtl.c (reset_used_decls): New function.
887 (unshare_all_rtl_again): Call it.
889 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
891 * cpplex.c (maybe_macroexpand): Warn about function-like
892 macros used in non-function context, if -Wtraditional.
894 2000-05-25 Mark Mitchell <mark@codesourcery.com>
896 * recog.c (peephole2_optimize): Use INSN_P.
898 2000-05-25 Richard Henderson <rth@cygnus.com>
900 * ifcvt.c (seq_contains_jump): New.
901 (noce_try_store_flag_constants): Use it to fail conversion.
902 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
904 2000-05-25 Mark Mitchell <mark@codesourcery.com>
906 * except.h (can_throw): Declare it.
907 * except.c (can_throw): Give it external linkage.
908 * resource.c (find_dead_or_set_registers): Use can_throw.
910 2000-05-25 Richard Henderson <rth@cygnus.com>
912 * flow.c (mark_set_1): Don't record conditionally dead memory.
914 2000-05-25 Jan Hubicka <jh@suse.cz>
916 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
917 and pc_set at the place of simplejump_p and condjump_p.
918 * cse.c (record_jump_equiv): Likewise.
919 * emit-rtl.c (emit): Likewise.
920 * explow.c (find_next_ref): Likewise.
921 * flow.c (tidy_fallthru_edge): Likewise.
922 (init_propagate_block_info): Likewise.
923 * gcse.c (delete_null_pointer_checks): Likewise.
924 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
925 dead_or_predicable): Likewise.
926 * integrate.c (copy_insn_list): Likewise.
927 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
928 for_each_insn_in_loop, check_dbra_loop, get_condition,
929 insert_bct, load_mems): Likewise.
930 * resource.c (find_dead_or_set_registers): Likewise.
931 * sibcalls.c (simplejump_p): Likewise.
932 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
934 2000-05-25 David Edelsohn <edelsohn@gnu.org>
936 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
937 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
939 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
940 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
941 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
942 * rs6000.md: Name various internal patterns.
944 2000-05-25 Jan Hubicka <jh@suse.cz>
946 * jump.c (invert_exp_1): Remove first argument, use pc_set
947 to get the expression.
948 (redirect_exp): Make static; redirect only the pc_set expression,
949 remove first argument.
950 (invert_exp): Remove first argument, make static.
951 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
952 any_onlyjump at most places where we originaly did condjump_p
954 (jump_back_p, follow_jumps, thread_jumps): Likewise.
955 (delete_barrier_succesors): Use pc_set.
956 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
957 calls of invert_exp and redirect_exp.
958 * rtl.h (redirect_exp, invert_exp): Remove.
959 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
961 2000-05-25 Richard Henderson <rth@cygnus.com>
963 * stmt.c (expand_end_bindings): Fix thinko last change.
965 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
966 Andrew Haley <aph@cygnus.com>
968 * except.c (func_eh_entry): Add emitted field.
969 (new_eh_region_entry): Set emitted field to 0;
970 (output_exception_table_entry): Only emit previously un-emitted data,
971 and send it to the eh_data section.
972 (output_exception_table): Break out common parts. Output
973 exception table for entire compilation unit to eh_data section.
974 (output_exception_table_data): Common parts of output_exception_table.
975 Send output to eh_data section.
976 (output_function_exception_table): Output exception table data for
977 a single function to eh_data section.
978 (free_exception_table): New external to free the table.
979 * except.h (free_exception_table): Add prototype.
980 (output_function_exception_table): Add prototype.
981 * final.c (final_end_function): Output function exception table
982 for IA64_UNWIND_INFO.
983 (final_scan_insn): Emit any unwind directives for an insn.
985 * frame-dwarf2.c: New file containing all DWARF 2 specific code
987 * frame.c: Remove all DWARF 2 specific code.
988 * config/ia64/frame-ia64.c: New file.
989 (gthread_stuff): Make all gthread available with
991 (dwarf_fde): Define an IA64 struct for dwarf_fde.
992 (__register_frame_info, __register_frame): Move to common area of file.
993 (__register_frame_info_table, __register_frame_table): Move to common i
995 (__deregister_frame_info, __deregister_frame): Move to common area.
996 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
997 (read_uleb128): New version for ia64.
998 (get_unwind_record): Read the next IA-64 unwind record.
999 (read_R_record): Read a region header record.
1000 (process_a_b_reg_code): X record helper.
1001 (read_X_record): Read an X format record.
1002 (read_B_record): Read a B format record.
1003 (P3_record_types): List of record types matching the P3 format.
1004 (P7_record_types): List of record types matching the P7 format.
1005 (P8_record_types): List of record types matching the P8 format.
1006 (read_P_record): Read a P format record.
1007 (init_ia64_reg_loc): Set default fields for a register.
1008 (init_ia64_unwind_frame): Set defaults for all register records.
1009 (execute_one_ia64_descriptor): Execute one descriptor record.
1010 (rse_address_add): Calculate the position of a local reg in memory.
1011 (normalize_reg_loc): Turn a location descriptor into a memory address.
1012 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
1013 within a specified PC offset range.
1014 (get_real_reg_value): Given a register location, retrieve its value.
1015 (set_real_reg_value): Change the value of a register location.
1016 (copy_reg_value): Copy reg values, if needed.
1017 (copy_saved_reg_state): Copy all registers that need to be copied.
1018 (process_state_between): Normalize all frame register records that
1019 fall within the specified PC range.
1020 (frame_translate): Take a processed frame description, and turn
1021 everything into addresses.
1022 (build_ia64_frame_state ): Find and create frame state record for a PC.
1023 (get_personality): Get the personality routine for a given frame.
1024 (get_except_table): Get the exception table for a given frame.
1025 (record_name): Unwind record names for debugging.
1026 (print_record): Print and unwind record.
1027 (print_all_records): Print an entire unwind image.
1028 (__ia64_backtrace): Print a backtrace.
1029 (ia64_backtrace_helper): New function.
1030 (__register_frame_info_aux): New function.
1031 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
1033 * frame.h (enum unw_record_type): New unwind record types.
1034 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
1035 (struct unw_r_record, unwind_record): New unwind record structs.
1036 (struct unwind_info_ptr): Unwind information layout.
1037 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
1039 (struct ia64_reg_loc): Register location description.
1040 (struct ia64_frame_state): Location of all registers in a frame.
1041 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
1042 * libgcc2.c (__ia64_personality_v1): Personality routine.
1043 (__calc_caller_bsp): Calculate the bsp register for the caller's
1045 (ia64_throw_helper): Figure out who to return to and set up the
1047 (__throw): Throw routine.
1049 * output.h (assemble_eh_align, assemble_eh_label): New functions
1050 to generate EH info where we want it.
1051 (assemble_eh_integer): New function.
1052 * toplev.c (compile_file): Output module level exception table for
1054 (main): Set exceptions_via_longjump and flag_new_exceptions based
1055 on IA64_UNWIND_INFO too.
1057 * varasm.c (assemble_eh_label): Generate a label via
1058 ASM_OUTPUT_EH_LABEL if it has been specified.
1059 (assemble_eh_align): Generate an alignment directive via
1060 ASM_OUTPUT_EH_ALIGN if it has been specified.
1061 (assemble_eh_label): Generate an integer value via
1062 ASM_OUTPUT_EH_type if they have been specified.
1063 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
1064 (ia64_init_builtins): Add __builtin_ia64_bsp
1065 and __builtin_ia64_flushrs.
1066 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
1067 IA64_BUILTIN_FLUSHRS.
1068 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
1069 IA64_BUILTIN_FLUSHRS.
1071 * config/ia64/ia64.md (flushrs): New insn to flush the register
1072 stack. Add to unspec list.
1074 * config/ia64/crtbegin.asm (frame_object): Change size.
1075 (__do_frame_setup_aux): New function.
1076 * config/ia64/crtend.asm: call __do_frame_setup_aux.
1077 * config/ia64/t-ia64 (LIB2ADDEH): Add.
1078 * Makefile.in (LIB2ADDEH): Add.
1079 (LIB2ADD): Use LIB2ADDEH.
1081 2000-05-24 Richard Henderson <rth@cygnus.com>
1083 * recog.c (offsettable_address_p): If mode size is zero, assume
1086 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
1088 * configure.in: Check for -Wno-long-long option support and improve
1089 handling of warning CFLAGS for stages 1 and 2.
1090 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
1091 * configure: Regenerate.
1093 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
1095 * gcc.texi: Remove contributor list. Instead include contrib.texi.
1096 * contrib.texi: New file.
1098 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1100 * loop.c (basic_induction_var): Avoid double recording of an increment.
1102 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1104 * Back out this patch:
1105 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
1106 * loop.h (struct induction): Add multi_insn_incr.
1107 * loop.c (basic_induction_var): New multi_insn_incr argument.
1108 Set it if we search back through previous insns for the biv.
1109 (record_biv): New multi_insn_incr argument; fill in struct induction.
1110 (strength_reduce): Discard an iv with multiple bivs, any of
1111 which require multiple insns to increment.
1113 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
1115 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1117 * rtl.h (loc_mentioned_in_p): Declare.
1118 * reload.c (loc_mentioned_in_p): Moved from here...
1119 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
1120 Fix loop increment for 'E' handling.
1121 * loop.c (strength_reduce): When doing biv->giv conversion,
1122 take multi-insn biv increments into account.
1124 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
1126 * stmt.c (expand_end_bindings): Look through NOTEs to find a
1129 2000-05-24 Mark Mitchell <mark@codesourcery.com>
1131 * calls.c (expand_call): Handle cleanups in tail-recursion
1132 arguments analagously to cleanups in sibling calls.
1134 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1136 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
1137 All callers changed.
1139 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1141 * expr.c (expand_assignment, store_expr, expand_expr,
1142 expand_expr_unaligned): Set in_check_memory_usage while emitting
1143 chkr_check_addr libcall.
1145 2000-05-24 Nick Clifton <nickc@cygnus.com>
1147 * fold-const.c (extract_muldiv): When constructing a
1148 multiplier/divisor, do not expect const_binop to correctly
1149 determine if overflow has occured, so check explicitly.
1151 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1153 * c-decl.c (build_enumerator): Don't modify the value's type,
1156 2000-05-24 Andreas Jaeger <aj@suse.de>
1158 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
1160 2000-05-24 Eric Christopher <echristo@cygnus.com>
1162 * configure.in: Redefine inhibit_libc conditions.
1163 * libgcc2.c: Remove inhibit_libc conditional define.
1164 * configure: Regenerate.
1166 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
1168 * configure.in: For --enable-languages=LIST, check for empty LIST.
1169 * configure: Regenerate.
1171 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
1173 * pdp11.h (STACK_BOUNDARY): Define.
1175 2000-05-24 Jakub Jelinek <jakub@redhat.com>
1177 * ifcvt.c (if_convert): Update life info globally.
1179 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1181 * emit-rtl.c (unshare_all_decls): New function.
1182 (unshare_all_rtl): Call it.
1184 2000-05-23 Nick Clifton <nickc@cygnus.com>
1186 * configure.in: Treat 'strongarm' as if it were 'arm' when
1187 determining cpu type.
1189 * configure: Regenerate.
1191 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
1192 where constant strings are involved.
1194 * config/arm/arm.h (arm_condition_codes): Change type to 'const
1197 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
1198 cases where constant strings are involved.
1200 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
1202 * config/sh/sh.c (gen_far_branch, split_branches): Update
1203 to reflect new prototypes for redirect_jump and invert_jump.
1204 (sh_insn_length_adjustment): Get rid of const warnings.
1206 2000-05-23 Kazu Hirata <kazu@hxi.com>
1208 * invoke.texi (Options for Debugging Your Program or GCC): Update
1209 the names of dump files.
1211 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
1213 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
1214 * configure: Regenerated.
1216 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1218 * simplify-rtx.c (SIGN_EXTEND): New macro.
1219 (simplify_unary_operation, simplify_binary_operation,
1220 simplify_relational_operation): Use SIGN_EXTEND. Make low
1221 halves of (low, high) pairs unsigned if they weren't already.
1222 (simplify_ternary_operation): Cast INTVAL to unsigned before
1223 comparing to a MODE_BITSIZE.
1225 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1227 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
1228 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
1230 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
1231 gcc_AC_NEED_DECLARATIONS.
1233 * dwarfout.c: Don't prototype time().
1235 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
1237 * system.h: Likewise.
1239 * toplev.c: Likewise.
1241 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1243 * c-decl.c (pushdecl): Invert sense of test for non-global types.
1245 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1247 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
1249 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
1251 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
1253 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1255 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
1256 (alpha_start_function): Never write ..ng label if VMS or NT.
1257 (alpha_align_insns): Remove GP_IN_USE arg.
1258 Alignment now unsigned.
1259 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
1260 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
1261 and two define_insn's.
1263 2000-05-22 Richard Henderson <rth@cygnus.com>
1265 * combine.c (simplify_comparison): Use trunc_int_for_mode.
1267 2000-05-22 Richard Henderson <rth@cygnus.com>
1269 * stor-layout.c (place_field): Change rli->size to rli->offset.
1271 2000-05-22 Richard Henderson <rth@cygnus.com>
1273 * function.c (thread_prologue_and_epilogue_insns): Make sure
1274 existing line number notes appear after the prologue.
1276 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1278 * config/alpha/alpha.c (alpha_fnname): New static variable.
1279 (print_operand, case '~'): New case.
1280 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
1281 (alpha_start_function): Set alpha_fnname.
1282 Write "ng" label if no ldgp; don't write ldgp insn.
1283 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
1284 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
1286 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
1288 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
1291 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
1293 * varasm.c (eh_frame_section): Revert change to argument list.
1295 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1297 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
1298 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
1300 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
1301 dangling "else" that causes "break" to be conditional.
1302 Also remove unneeded code at start.
1304 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
1306 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
1307 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
1308 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
1310 2000-05-22 Jakub Jelinek <jakub@redhat.com>
1312 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
1315 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1317 * alias.c (record_component_aliases): New function.
1318 * tree.h: Clean up some declarations and comments.
1319 (record_component_aliases): New declaration.
1320 * tree.c (get_alias_set): If type and has alias set, use it.
1322 2000-05-22 Richard Henderson <rth@cygnus.com>
1324 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
1325 IF_THEN_ELSE to a setcc form.
1326 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
1328 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1330 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
1331 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1333 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1335 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1338 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1340 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1341 * config/mn10300/mn10300.c (print_operand): Likewise.
1343 * final.c (split_double): Right shift of negative values is not
1346 * ifcvt.c (if_convert): Scan and kill dead code.
1348 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1350 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1352 * diagnostic.c: Eliminate implicit int.
1353 * except.c, gcc.c: Add static prototypes.
1354 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1355 * gensupport.c (process_rtx): Use XVEC to initialize vector
1358 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1359 debug_reg_names instead of static reg_names. If not, define
1361 * regclass.c: Don't define global reg_names unless
1362 DEBUG_REGISTER_NAMES is defined.
1364 * reload1.c (order_regs_for_reload): Remove unused variable.
1365 * varasm.c: Include output.h after defaults.h. Define
1366 eh_frame_section as function of no args, not of unspecified args.
1368 * gcc.c: Constify argbuf; arguments to store_arg,
1369 process_command, main; elements of struct command and struct
1370 switchstr; local variables in execute, process_command, main.
1372 2000-05-20 Bruce Korb <bkorb@gnu.org>
1374 * fixinc/inclhack.def: many applications of c_fix=format + tests
1375 * fixinc/check.diff: regenerated
1376 * fixinc/fixincl.x: regenerated
1378 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1380 * alias.c: Clarify some comments.
1381 (record_base_value): REGNO is unsigned.
1382 * rtl.h (record_base_value): Likewise.
1384 * alias.c (aliases_everything_p): Don't special-case QImode here.
1385 * c-common.c (c_get_alias_set): Do it here.
1386 Handle BIT_FIELD_REF by getting alias info for arg.
1389 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1391 * mklibgcc.in: Restore rule to create ${dir}.
1393 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1395 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1396 GCC_FOR_TARGET used by MULTILIBS.
1397 * mklibgcc.in: Make sure each .o file depends on the
1398 directory it will be in.
1399 Make the multilib directory depends libgcc.
1401 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1403 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1405 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1407 * fold-const.c (make_range): Handle degenerated intervals.
1408 Fixes c-torture/execute/991221-1.c
1410 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1412 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1413 * reload.c (find_equiv_reg): Likewise.
1414 * alias.c (init_alias_analysis): Likewise.
1415 Only call prologue_epilogue_contains on insns.
1416 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1417 * bb-reorder.c (hard-reg-set.h): Include earlier.
1418 * haifa-sched.c (hard-reg-set.h): Likewise.
1419 * ifcvt.c (hard-reg-set.h): Likewise.
1420 * local-alloc.c (hard-reg-set.h): Likewise.
1421 * loop.c (hard-reg-set.h): Likewise.
1422 * predict.c (hard-reg-set.h): Likewise.
1423 * regrename.c (hard-reg-set.h): Likewise.
1424 * flow.c (hard-reg-set.h): Likewise.
1425 (reg_set_to_hard_reg_set): New function.
1426 * bitmap.c (regs.h, basic-block.h): No longer include.
1427 (bitmap.h): Now include.
1428 * conflict.c (hard-reg-set.h): Include.
1429 * profile.c (hard-reg-set.h): Likewise.
1430 * print-rtl.c (hard-reg-set.h): Likewise.
1431 * sbitmap.c (hard-reg-set.h): Likewise.
1432 * toplev.c (hard-reg-set.h): Likewise.
1433 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1434 * hard-reg-set.h (reg_names): Now constant.
1435 * regs.h (reg_names): Likewise.
1436 * regclass.c (reg_names): Likewise.
1437 * loop.h (basic-block.h): No longer include.
1438 (bitmap.h): Now include.
1439 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1440 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1441 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1443 2000-05-19 Jan Hubicka <jh@suse.cz>
1444 Richard Henderson <rth@cygnus.com>
1446 * basic-block.h (struct edge_def): New field "count".
1447 (struct basic_block_def): Likewise.
1448 * flow.c (entry_exit_blocks): Add count fileds.
1449 (split_edge): Keep count information up-to-date.
1450 (dump_edge_info, dump_flow_info): Dump count fields.
1452 * final.c (count_instrumented_edges): Rename to edge from arc.
1453 (end_final): Update users.
1454 * profile.c: Include expr.h, basic-block.h.
1455 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1456 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1457 (ignore_next_note, return_label_execution_count): Kill.
1458 (bbg_file_name, da_file_name): Kill.
1459 (edge_info, bb_info): New structures.
1460 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1461 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1462 (total_num_edges_instrumented): Likewise.
1463 (init_arc, expand_spanning_tree): Kill.
1464 (fill_spanning_tree, tablejump_entry_p): Kill.
1465 (instrument_edges): Rewrite from instrument_arcs to use
1466 commit_edge_insertions infrastructure.
1467 (compute_branch_probabilities): Remove arguments; rewrite for
1468 CFG infrastructure; use rtl_dump_file directly.
1469 (branch_prob, find_spanning_tree): Likewise.
1470 (union_groups, find_group): New.
1471 (init_branch_prob): Make bbg_file_name and da_file_name local.
1472 (end_branch_prob): Use rtl_dump_file directly.
1473 (init_edge_profiler): Rename to edge from arc.
1474 (output_arc_profiler): Kill.
1475 (gen_edge_profiler): New.
1476 (output_func_start_profiler): Turn off profiling. Make the
1477 constructor static when we can.
1478 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1480 * toplev.c (DFI_flow): Remove.
1481 (DFI_cfg, DFI_life): New.
1482 (dump_file): Update accordingly.
1483 (compile_file): Call end_branch_prob if profile_arc_flag too.
1484 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1485 profiling after the CFG is built. Move flow1 life analysis to
1486 DFI_life. Always estimate remaining probabilities.
1488 2000-05-19 Richard Henderson <rth@cygnus.com>
1490 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1492 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1494 2000-05-19 Richard Henderson <rth@cygnus.com>
1496 * jump.c (redirect_jump): Add delete_unused argument. Don't
1497 remove labels and code following when LABEL_NUSES goes to zero.
1498 (invert_jump): Likewise.
1499 (jump_optimize_1): Fix redirect/invert arguments.
1500 (do_cross_jump, thread_jumps): Likewise.
1501 * flow.c (split_edge): Likewise.
1502 * reorg.c (optimize_skip): Likewise.
1503 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1504 * profile.c (instrument_arcs): Likewise.
1505 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1506 * rtl.h: Update prototypes.
1508 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1510 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1512 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1515 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1517 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1518 past l1 when deleting whitespace and markers.
1520 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1521 * cpplib.c (do_unassert): Put the list to compare against on
1524 2000-05-19 Bruce Korb <bkorb@gnu.org>
1526 * fixinc/README: cleaned up old documentation
1527 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1528 * fixinc/check.tpl: compute the list of needed directories
1529 emit "#if defined(name)" because of conflict
1530 omit machine name differences from output differences
1531 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1532 (machine_name): change test text to use `sed' markers
1533 * fixinc/fixincl.x: regen
1535 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1537 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1540 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1542 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1543 it to match the current practice.
1545 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1547 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1549 2000-05-18 Richard Henderson <rth@cygnus.com>
1551 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1552 * rtl.h (insn_dependant_p): Declare it.
1553 * loop.c (strength_reduce): Use it.
1555 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1557 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1558 16-bit and 64-bit clean-up.
1560 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1562 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1563 * configure: Rebuilt.
1565 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1567 * genopinit.c: Use $ for escape sequences in optab patterns.
1568 Remove backslashes from optab patterns. Change $A, $B, $C to
1569 expand to (int) whatever instead of just whatever; remove
1570 explicit (int) from all optab patterns.
1572 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1573 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1574 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1575 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1578 2000-05-18 Richard Henderson <rth@cygnus.com>
1580 * jump.c (jump_optimize_1): Base minimum insn count during
1581 find_cross_jump on BRANCH_COST.
1583 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1585 * print-rtl.c (print_rtx): Only print note line number as string
1586 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1587 * final.c (final_scan_insn): Do nothing for note line number 0.
1589 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1591 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1592 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1593 NOTE_INSN_DELETED_LABEL.
1595 2000-05-18 Nick Clifton <nickc@cygnus.com>
1597 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1598 uninitialised data in .rodata not .bss, and do not interpret an
1599 error in the initialisation value as meaning that the variable
1600 should be placed in the .bss section.
1602 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1604 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1605 not `$ac_cv_prog_cc_cc_c_o'.
1606 * configure: Regenerated.
1608 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1609 Richard Henderson <rth@cygnus.com>
1611 * c-common.h (enum c_tree_index): Add g77 type entries.
1612 (g77_integer_type_node, g77_uinteger_type_node): New.
1613 (g77_longint_type_node, g77_ulongint_type_node): New.
1614 * c-decl.c (init_decl_processing): Initialize them.
1616 2000-05-18 Richard Henderson <rth@cygnus.com>
1618 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1620 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1621 (small_power_of_two): Likewise; use exact_log2.
1622 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1623 (output_adds_subs): Remove.
1624 (two_insn_adds_subs_operand): New.
1625 (split_adds_subs): New.
1626 * config/h8300/h8300-protos.h: Update.
1627 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1628 (CONST_OK_FOR_L): Match strict adds operands.
1629 (CONST_OK_FOR_N): Match struct subs operands.
1630 * config/h8300/h8300.md (adds_subs insns): Remove.
1631 (addhi patterns): Output adds/subs directly.
1632 (addsi_h8300h): Likewise.
1633 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1635 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1637 * cppexp.c (parse_assertion): New.
1638 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1639 (_cpp_parse_expr): Remove case '#'. Don't set
1640 parsing_if_directive.
1641 * cpphash.c (collect_objlike_expansion,
1642 collect_funlike_expansion, collect_params,
1643 _cpp_create_definition): The list no longer has a trailing
1645 * cpphash.h (enum node_type): Add T_ASSERTION.
1646 (struct hashnode): Remove aschain, add pred.
1647 (struct predicate): New.
1650 * cpplex.c (expand_token_space): Handle both offset and
1652 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1653 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1654 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1655 _cpp_equiv_toklists): New.
1656 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1657 stop at any single-character token, not just newline.
1658 (_cpp_lex_token): Remove special cases for #define and #if.
1659 (cpp_get_token): Expect # as a separate token type. Remove
1661 (_cpp_get_directive_token): Remove DIRECTIVE case.
1662 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1664 * cpplib.c (_cpp_check_directive): Set dirno and
1665 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1666 (_cpp_handle_directive): Run # <number> through the same logic
1667 as normal directives.
1668 (do_define): Don't set parsing_define_directive. Use
1669 _cpp_scan_until. The list does not have a VSPACE at the end.
1670 (do_if): Save, clear, and restore only_seen_white around
1672 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1673 (do_assert, do_unassert): Rewrite.
1675 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1676 (LIST_OFFSET): New flag.
1677 (struct cpp_toklist): Replace dir_handler and dir_flags with
1679 (struct cpp_reader): Remove parsing_if_directive and
1680 parsing_define_directive.
1682 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1684 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1685 following the cabs decl which terminate on the following line.
1686 Add the corresponding test_text case.
1688 2000-05-18 Neil Booth <NeilB@earthling.net>
1690 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1691 default tab stop size.
1692 (no_num, OPT_ftabstop): New.
1693 (handle_option): Handle "ftabstop=" command-line option.
1694 (print_help): Document it.
1695 * cpplex.c (COLUMN): Remove.
1696 (handle_newline): Reset col_adjust.
1697 (skip_whitespace): Update col_adjust as tabs encountered.
1698 (_cpp_lex_line): Update to use col_adjust. Call
1699 skip_whitespace for all whitespace.
1700 * cpplib.h (struct cpp_options): New member tabstop.
1701 (struct cpp_reader): New member col_adjust.
1702 (CPP_BUF_COL): Update.
1703 (CPP_BUF_COLUMN): New.
1704 * cpp.texi: Document "-ftabstop=" command line option.
1706 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1708 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1710 * configure: Rebuilt.
1712 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1714 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1716 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1717 HOST_BITS_PER_WIDE_INT is >= 64.
1719 2000-05-17 Richard Henderson <rth@cygnus.com>
1721 * jump.c (jump_optimize_1): Remove inactive but real insns
1722 in jump-to-next-insn optimization.
1724 2000-05-17 Richard Henderson <rth@cygnus.com>
1726 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1727 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1728 Don't call recompute_reg_usage if no_new_pseudos is true.
1729 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1730 Return true if we did work; update global life information.
1731 * basic-block.h (optimize_mode_switching): Update decl.
1733 2000-05-17 Neil Booth <neilb@earthling.net>
1735 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1737 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1739 * cpplib.c: New feature, #pragma system_header.
1740 * cpp.texi: Document special treatment of system headers, and
1741 the various mechanisms to get a header that special treatment.
1743 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1745 * system.h (offsetof): Define at the very end, to ensure we prefer
1746 the platform's definition if available.
1748 2000-05-16 Bruce Korb <bkorb@gnu.org>
1750 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1751 * fixinc/server.c: likewise
1752 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1753 + #ifdef debugging code + use #def constant for
1755 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1756 on C++ math namespace
1758 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1760 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1761 Don't check the return value of sprintf. Use asprintf to avoid
1764 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1766 * flags.h (warn_unused_function, warn_unused_label,
1767 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1768 Replace ``warn_unused''.
1769 (set_Wunused): Add declaration.
1770 * toplev.c (set_Wunused): New function.
1771 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1772 warn_unused_variable, warn_unused_value): New variables.
1773 (W_options): Add -Wunused-function, -Wunused-function,
1774 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1775 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1777 * toplev.c (decode_W_option): Update -Wunused flags by calling
1779 * c-decl.c (c_decode_option): Ditto for -Wall.
1781 * stmt.c (expand_expr_stmt, expand_expr_stmt,
1782 warn_about_unused_variables): Replace warn_unused with more
1783 explicit warn_unused_value et.al.
1784 * function.c (expand_function_end): Ditto.
1785 * c-typeck.c (internal_build_compound_expr,
1786 internal_build_compound_expr): Ditto.
1787 * c-decl.c (poplevel, pop_label_level): Ditto.
1788 * toplev.c (check_global_declarations): Replace warn_unused with
1789 check for either warn_unused_function or warn_unused_variable.
1791 * gcc.1, invoke.texi (Warning Options): Document
1792 -Wunused-function, -Wunused-function, -Wunused-label,
1793 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
1795 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
1797 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
1798 $(srcdir), not in the current directory.
1800 2000-05-16 Richard Henderson <rth@cygnus.com>
1802 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
1803 assembler supports it.
1804 (.fini, .init): Use a gp-relative indirect call.
1805 (__do_global_dtors_aux): Preserve the gp; rebundle.
1806 (__do_frame_setup): Likewise.
1807 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
1808 (.init): Use a gp-relative indirect call.
1809 (__do_global_ctors_aux): Preserve the gp.
1811 2000-05-16 Richard Henderson <rth@cygnus.com>
1813 * flow.c (commit_one_edge_insertion): Be prepared for a return
1814 insn to be inserted on the edge with a normal jump.
1815 * jump.c (jump_optimize_1): Don't look to create return isns.
1817 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
1818 * jump.c (jump_optimize_1): Likewise.
1819 (returnjump_p): Verify the argument is a JUMP_INSN.
1820 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
1822 2000-05-16 Nick Clifton <nickc@cygnus.com>
1824 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
1825 GET_RTX_CLASS (GET_CODE ()) == 'i'.
1826 (large_insn_p): Ditto.
1827 (m32r_is_insn): New function: Return true if the insn contains
1828 an executable instruction.
1829 (m32r_adjust_insn): Use m32r_is_insn.
1830 (m32r_sched_reorder): Use m32r_is_insn.
1831 (m32r_sched_variable_issue): Use m32r_is_insn.
1833 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1835 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
1838 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
1840 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
1841 according to given options.
1843 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
1845 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
1846 if X has VOIDmode either.
1847 (LIMIT_RELOAD_CLASS): Similarly.
1849 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
1850 not "general_operand" to match the processor's capabilities.
1852 2000-05-16 Bruce Korb <bkorb@gnu.org>
1854 * fixinc/README: corrected return address
1855 * fixinc/check.diff: regenerate, now that test works
1856 * fixinc/fixfixes.c(format_fix,format_write): reformatted
1857 (char_macro_def_fix,char_macro_use_fix): corrected and
1858 rewrote to use regex to parse the text
1859 * fixinc/inclhack.def: more testing
1860 * fixinc/fixincl.x: regenerated
1862 * fixinc/inclhack.def: added several "test_text" attributes
1863 changed several fixes to use `c_fix = format'
1864 re-alphabetized the fixes
1866 * fixinc/check.diff: regenerate
1867 * fixinc/fixincl.x: regenerate
1868 * fixinc/check.tpl: added `sparc' and `netinet' to the list
1872 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
1874 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
1876 2000-05-15 Richard Henderson <rth@cygnus.com>
1878 * toplev.c (rest_of_compilation): Run full jump pass before
1879 find_basic_blocks of flow2.
1881 2000-05-15 Richard Henderson <rth@cygnus.com>
1883 * jump.c: Fix typos and clarify commentary from last change.
1884 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
1885 (safe_to_remove_jump_p): Remove.
1886 (condjump_label): Use pc_set.
1888 2000-05-15 Richard Henderson <rth@cygnus.com>
1890 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
1891 that get in the way after reload.
1892 (cond_exec_process_if_block): Skip a label heading THEN block.
1894 2000-05-15 Richard Henderson <rth@cygnus.com>
1896 * varasm.c (output_constant_pool): Abort instead of converting
1897 (improperly) deleted labels to zero.
1899 2000-05-16 Neil Booth <NeilB@earthling.net>
1901 * cpplex.c (parse_string2): Update comment.
1902 (cpp_lex_line): No special assertion treatment for '('.
1903 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
1904 * cpplib.h (SYNTAX_ASSERT): Remove.
1906 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1908 * jump.c (condjump_p): Mark as depreached.
1909 (any_condump_p): New.
1910 (any_uncondump_p): New.
1912 (safe_to_remove_jump_p): New.
1913 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
1914 safe_to_remove_jump_p): Declare.
1916 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1918 * calls.c: Re-install both patches reverted by last patch.
1919 (struct arg_data): New field tail_call_reg.
1920 (initialize_argument_information): Initialize tail_call_reg
1921 (load_register_parameters): New argument flags, use
1922 tail_call_reg when emiting tail call sequence.
1923 (expand_call): Update call of load_register_parameters;
1924 copy unadjusted_args_size to adjusted_args_size.
1926 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
1928 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
1929 and bct_p parameters to flags.
1930 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
1931 * rtl.h (loop_optimize): Update prototype.
1932 * toplev.c (rest_of_compilation): Update call of loop_optimize.
1934 2000-05-15 Jakub Jelinek <jakub@redhat.com>
1936 * calls.c (expand_call): Move expand_start_target_temps call after
1939 2000-05-15 Neil Booth <NeilB@earthling.net>
1941 * cpphash.c (trad_stringify, warn_trad_stringify,
1942 collect_params): Make some pointers pointers to const.
1943 * cpplex.c (auto_expand_name_space) Guaranteed to always
1944 expand by at least one character.
1945 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
1946 (struct token_spelling): Use const U_CHAR * rather than PTR.
1947 (expand_name_space): Fix up token pointers if name space
1948 is moved when expanding.
1949 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
1950 parse_string2, save_comment, spell_token, cpp_output_list):
1951 Update so the routines handle tokens with a direct pointer to
1952 their text, rather than an offset into the token's list's namebuf.
1953 (_cpp_lex_line): Rearrange for clarity.
1955 * cpplib.c (_cpp_check_directive): Similarly.
1956 (do_define): Make SYM a pointer to const.
1957 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
1958 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
1959 (TOK_OFFSET): Delete.
1962 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
1964 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
1967 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
1969 (logical_u_operand): Delete.
1970 (non_logical_cint_operand): Rewrite to take MODE into account.
1971 (non_logical_u_cint_operand): Delete.
1972 (boolean_operator): New function.
1973 (print_operand): Add new %q operand.
1974 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
1975 remove logical_u_operand and non_logical_u_cint_operand,
1976 update logical_operand and non_logical_cint_operand.
1977 * config/rs6000/rs6000.md: Rewrite the patterns for performing
1978 logical operations to use %q.
1980 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
1981 (movdi): Make similar to movsi.
1982 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
1983 is no such thing as a DImode CONST_DOUBLE.
1984 * config/rs6000/rs6000.c (output_toc): Likewise.
1986 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
1987 codes when old mnemonics are in use. Print register names
1988 for cc registers when requested.
1990 * optabs.c (expand_float): Don't allow mode widening that causes
1993 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
1994 flags to their current names -maix64 and -maix32.
1996 2000-05-14 Bruce Korb <bkorb@gnu.org>
1998 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
1999 and/or after current text of file
2000 * fixinc/fixlib.c(must_malloc):
2001 * fixinc/fixlib.h(must_malloc): + reformatting
2002 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
2003 with usages of ``c_fix = wrap;''
2004 Add several tests and use the ``c_fix = format'' fixer more.
2005 * fixinc/fixincl.x: regen
2006 * fixinc/check.diff: regen
2007 * fixinc/check.tpl: emit the associated header with the missing
2010 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
2012 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
2013 variables $src and $dst.
2015 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
2017 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
2018 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
2019 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
2020 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
2022 (set_message_prefixing_rule): Declare.
2024 * diagnostic.c: (current_prefixing_rule): New variable.
2025 (set_message_prefixing_rule): Define.
2026 (output_set_prefix): Adjust buffer->emitted_prefix_p.
2027 (init_output_buffer): Adjust Initialization.
2028 (output_emit_prefix): Rewrite. Take prefixing rules into account.
2030 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
2032 * ifcvt.c (if_convert): Do not free NULL.
2034 2000-05-12 Nick Clifton <nickc@cygnus.com>
2036 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
2037 to move a double word value.
2038 (di_operand): New function: Return true if the operand is suitbale
2039 for a double word move operation.
2040 (nonimmediate_di_operand): New function: Return true if the
2041 operand is a DImode register or MEM.
2043 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
2044 nonimmediate_di_operand.
2046 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
2047 nonimmediate_di_operand.
2049 * config/fr30/fr30.md (movdi): New pattern. Required because
2050 other patterns generate DImode results.
2051 (movdi_insn): New pattern.
2053 2000-05-12 Richard Henderson <rth@cygnus.com>
2055 * config/alpha/alpha.c (struct shadow_summary): Define
2056 bitfields as type unsigned int.
2058 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
2060 * config/avr/t-avr: Added definition of FLOAT while generates
2063 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
2064 peepholes for tst+jump = sbrs/sbrc optimization.
2066 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
2068 * expr.c (emit_push_insn): Do not adjust stack pointer when
2071 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
2073 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
2074 * system.h (offsetof): ... to here.
2076 2000-05-12 Richard Henderson <rth@cygnus.com>
2078 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
2079 * final.c (final_end_function): Use app_disable. Rearrange note
2080 handling into a switch. Emit deleted labels.
2081 (output_asm_label): Generate label strings for deleted labels.
2082 * flow.c (tail_recursion_label_list): New.
2083 (find_basic_blocks_1): Set label_value_list directly. Collect list
2084 of tail recursion labels from call_placeholders. Don't add deleted
2085 labels to the label value list.
2086 (cleanup_cfg): Use free_EXPR_LIST_list.
2087 (flow_delete_insn_chain): Turn non-removable labels into notes.
2088 (flow_delete_block): Don't disable deleting the block because of
2089 a non-removable label.
2090 (tail_recursion_label_p): New.
2091 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
2093 (merge_blocks_move_successor_nojumps): Likewise. Also move a
2095 (merge_blocks): Disable a merge because of tail recursion labels.
2096 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
2097 Use a more accurate measure of not merging the join block.
2098 (find_if_block): Don't disable conversion because of a label.
2099 (find_if_case_1, find_if_case_2): Likewise.
2100 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
2101 element when copying.
2102 (squeeze_notes): Also leave EH notes.
2103 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
2105 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
2107 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
2108 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
2109 referring to a deleted label. Convert tail handling to a switch.
2110 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
2111 for NOTE_INSN_DELETED_LABEL.
2112 (NOTE): Fix commentary.
2113 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
2114 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
2115 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
2116 (LABEL_NUSES, LABEL_REFS): Likewise.
2117 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
2119 2000-05-12 Bruce Korb <bkorb@gnu.org>
2121 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
2122 * fixinc/check.diff: updated
2123 * fixinc/inclhack.def: corrected & added some test_text-s
2124 * fixinc/genfixes: removed unneeded options to autogen invocation
2125 * fixinc/fixincl.tpl: Specified the output file
2126 * fixinc/fixfixes.c: visual appearance
2127 * fixinc/fixincl.x: regenerate
2129 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
2131 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
2132 CTRL_defn_fix): Delete.
2133 (fix_char_macro_defines, fix_char_macro_uses): Rename to
2134 char_macro_def_fix and char_macro_use_fix, respectively. Put
2135 them into the FIXUP_TABLE. Get the string to search for from
2138 (format_write): New function.
2139 (format_fix): Use it.
2141 (FIX_PROC_HEAD): Constify text parameter.
2142 (machine_name_fix): Constify all char *s.
2143 * fixtests.c (skip_quote): Remove double static.
2145 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
2146 ctrl_use_quotes): Update for new scheme.
2147 * fixincl.x: Regenerate.
2149 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
2151 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
2153 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
2154 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2156 2000-05-11 Robert Lipe <robertlipe@usa.net>
2158 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
2159 * fixincl.x: Regenerate.
2161 2000-05-11 Richard Henderson <rth@cygnus.com>
2163 * calls.c: Revert both 05-09 patches.
2165 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
2167 * config/mn10300/mn10300.c (print_operand): Print FP constants in
2169 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
2172 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
2173 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
2175 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
2177 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
2179 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2181 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
2183 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
2185 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
2186 * config/avr/avr.c (jump_over_one_insn_p): New function.
2187 * config/avr/avr.md: New peepholes added. Output test and
2188 conditional jump to "sbrc" or "sbrs" command.
2190 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
2192 * cppmain.c (main): Use IS_DIR_SEPARATOR.
2194 2000-05-11 Jakub Jelinek <jakub@redhat.com>
2196 * except.c (find_exception_handler_labels_1): New function.
2197 (find_exception_handler_labels): Split into two functions, dive
2198 into CALL_PLACEHOLDERs when looking for exception handler labels.
2200 2000-05-11 Stan Cox <scox@cygnus.com>
2202 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
2203 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
2204 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
2206 2000-05-11 Bruce Korb <bkorb@gnu.org>
2208 * fixinc/fixfixes.c (double_slash_fix): obsolete
2209 (else_endif_label_fix): obsolete
2210 (format_fix): new, unused as yet
2212 * fixinc/fixlib.h: added fix description struct for use by format_fix
2213 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
2214 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
2215 modules. Removed the vestiges of the script version.
2216 Added support for "make check".
2217 * fixinc/check.diff: base diff file (needs work!!)
2218 * fixinc/check.tpl: quiet the fixup output
2219 * fixinc/fixtests.c (main): obsolete
2220 * fixinc/fixincl.sh: don't bother copying fixincl to ..
2221 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
2223 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
2225 * toplev.c (rest_of_compilation): Remove dead code after
2228 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2230 * cpphash.c (collect_funlike_expansion): Make "# is not
2231 followed by a macro argument name" a pedwarn, not an error.
2232 Preserve the # in the output. Suppress the warning if lang_asm.
2234 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
2236 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
2237 * configure: Rebuilt.
2239 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
2241 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
2243 2000-05-10 Kazu Hirata <kazu@hxi.com>
2245 * combine.c (try_combine): Fix a typo.
2247 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
2249 * config/ia64/ia64.md (insv): Add comment.
2251 2000-05-10 Richard Henderson <rth@cygnus.com>
2253 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
2254 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
2255 dependancies on FPBIT and DPBIT.
2257 2000-05-10 Nick Clifton <nickc@redhat.com>
2259 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
2260 when optimising for size.
2261 (mark_used_regs:) Ditto.
2262 (try_pre_increment_1): Ditto.
2264 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
2266 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
2267 Make error message friendlier.
2269 * cpphash.h (struct hashnode): Use struct hack for name
2271 * cpphash.c (struct hashdummy): New.
2272 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
2273 (make_HASHNODE): No need to set ->name pointer. Correct
2275 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
2277 2000-05-10 Richard Henderson <rth@cygnus.com>
2279 * flow.c (find_basic_blocks_1): Remove any spare bb_note
2282 2000-05-10 Bruce Korb <bkorb@gnu.org>
2284 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
2286 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
2288 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
2289 after we enter .debug.
2291 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
2293 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
2294 abstract instance of a nested inline function.
2296 * stor-layout.c (finish_record_layout): finalize_type_size
2297 before laying out the pending_statics.
2299 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
2301 * cpplex.c (spell_token): New function.
2302 (spell_string, spell_comment, spell_name): fold into
2305 (E, H): Remove macros.
2306 (save_comment): Save comment opening characters too.
2307 (_cpp_lex_file): Update to use spell_token. Tidy up comment
2309 * cpplib.h (I, S): Add macros.
2310 (E, H): Remove macros.
2311 (TTYPE_TABLE): Update entries for new speller.
2312 (SYNTAX_ASSERT): Remove.
2314 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
2316 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
2317 when removing escaped newlines. Reverse sense of test for
2320 2000-05-09 Richard Henderson <rth@cygnus.com>
2322 * flow.c (find_basic_blocks_1): Do not delete the first
2323 bb_note we run across.
2324 (create_basic_block): Use reorder_insns to move an existing
2325 bb_note to the correct place.
2327 2000-05-09 Richard Henderson <rth@cygnus.com>
2329 * calls.c (expand_call): Increment currently_expanding_call
2330 before calling optimize_tail_recursion.
2332 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2334 * reload1.c (reload_combine): Fix errors in last change.
2336 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2338 * gcc.c (used_arg): Skip over a semicolon at the end of the
2339 split-up loop; don't break out of it.
2341 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2342 (tree.o): Depend on output.h.
2344 * c-decl.c (pending_invalid_xref_file,
2345 current_function_prototype_file): Constify.
2346 (pushdecl): Constify a local char *.
2347 (define_label): Constify filename parameter.
2348 * c-lex.c (init_parse): Constify parameter and return value.
2349 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2350 * c-tree.h: Update prototypes.
2351 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2352 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2353 objc/objc-parse.c: Regenerate.
2355 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2356 * dwarfout.h: Update prototypes.
2357 * expr.c (expand_expr): Constify a local char *.
2358 * flags.h: Constify main_input_filename.
2359 * function.c (expand_function_end): Constify filename parameter.
2360 * genrecog.c (make_insn_sequence): Use a character array for
2362 (main): Remove unused variables.
2363 * input.h: Constify input_filename, main_input_filename, and
2364 file_stack.name. Update prototypes.
2365 * output.h: Declare first_global_object_name and
2366 weak_global_object_name here, as const char *.
2367 * stmt.c (expand_asm_operands): Constify filename parameter.
2368 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2369 Constify filename parameter.
2370 (input_filename, main_input_filename): Constify.
2371 * toplev.h: Update prototypes.
2372 * tree.c: Include output.h. Don't declare
2373 first_global_object_name or weak_global_object_name. Clean up string
2374 bashing in get_file_function_name_long.
2375 * tree.h (struct tree_decl): Constify filename member.
2376 (input_filename): Constify.
2378 * varasm.c (first_global_object_name, weak_global_object_name):
2380 (assemble_start_function, assemble_variable): Clean up string bashing.
2382 * gcc.c: Constify all spec-related strings initialized,
2383 transitively, from string constants. Constify all strings
2384 and string variables related to multilibs.
2385 (set_spec, read_specs): Cast argument to free to PTR.
2386 (used_arg): Do not modify multilib_matches. Use strncmp plus
2387 length comparison to compare multilib switches.
2388 * genmultilib: Constify everything declared in multilib.h.
2390 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2392 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2395 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2397 * config/avr/avr-protos.h (extra_constraint): change a type of
2398 second argument from char to int to avoid warnings.
2399 (asm_output_byte): Likewise.
2401 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2402 (initial_elimination_offset): Handle elimination from
2403 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2404 (legitimate_address_p): Use MAX_LD_OFFSET.
2405 (legitimize_address): Likewise.
2406 (out_movqi_r_mr): Likewise.
2407 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2408 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2409 (out_movsi_mr_r): Likewise.
2410 (out_movqi_mr_r): Likewise.
2411 (out_movhi_mr_r): Likewise.
2412 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2413 count as CONST_INT != 6.
2414 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2415 shift count is a CONSTANT_P, but not a CONST_INT.
2416 (ashlhi3_out): Coding style modifications.
2417 (ashlsi3_out): Likewise.
2418 (ashrhi3_out): Likewise.
2419 (ashrsi3_out): Likewise.
2420 (lshrhi3_out): Likewise.
2421 (lshrsi3_out): Likewise.
2422 (ashrqi3_out): Generate shift for any known constant count without
2423 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2424 but not a CONST_INT.
2425 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2426 shift count is a CONSTANT_P, but not a CONST_INT.
2427 (extra_constraint): change a type of
2428 second argument from char to int to avoid warnings.
2429 (asm_output_byte): Likewise.
2430 (asm_file_end): Output size generated commands count as a hex
2433 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2435 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2437 (ashlqi3): Values of "length" attribute changed. Shift count
2438 uses constraints 'n' instead of 'i'.
2439 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2440 shifts without clobber register.
2441 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2442 (call_insn): Correct test for which_alternative == 1 (was 0).
2443 (call_value_insn): Likewise.
2445 * config/avr/t-avr: Remove definition of FLOAT while generates
2448 2000-05-09 Bruce Korb <bkorb@gnu.org>
2450 * fixinc/check.tpl: Template for checking fixes
2451 * fixinc/inclhack.def: Added 'test_text' for many fixes
2452 disable hpux8_bogus_inlines on SCO
2453 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2455 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2457 * calls.c (expand_call): Reorganize somewhat in order
2458 to avoid unnecesary recalculation inside loop and make
2459 tail call failure code cleaner.
2461 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2463 * alias.c (nonlocal_reference_p): Minor reformatting.
2464 * reload.c (find_equiv_reg): Simplify logic for
2465 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2466 some some reformatting.
2467 * reload1.c (reload_combine): Don't assume everything in
2468 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2470 2000-05-08 Richard Henderson <rth@cygnus.com>
2472 * final.c (current_insn_predicate): New.
2473 (final_scan_insn): Set it.
2474 * output.h (current_insn_predicate): Declare.
2476 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2477 Attach it to call insns.
2478 (cond_exec_process_if_block): Track probability for true and
2480 (dead_or_predicable): Likewise.
2482 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2483 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2484 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2485 (estimate_probability, expected_value_to_br_prob): Use them.
2487 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2488 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2489 (ia64_expand_prediction): New.
2490 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2491 as needed after calls.
2492 (ia64_epilogue_uses): Mark b0 used.
2493 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2494 (bne_true, bne_false): Remove.
2495 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2496 (br_true, br_false): New. Use predicate_operator and
2497 ia64_expand_prediction.
2498 (return_true, return_false): Likewise.
2499 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2500 (call_internal1, call_value_internal): Likewise.
2501 (call_value_internal1, call_multiple_values_internal1): Likewise.
2503 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2505 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2507 2000-05-08 Richard Henderson <rth@cygnus.com>
2509 * rtlanal.c (may_trap_p): Consider old-style and volatile
2512 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2514 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2516 2000-05-08 Richard Henderson <rth@cygnus.com>
2518 * config/ia64/ia64.h (predicate_operator): Declare.
2520 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2523 * gensupport.c (process_rtx): Copy and post-process each member
2524 of the define_insn rtvec individually.
2526 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2528 * cpplex.c (spell_token): New function.
2529 (TOKEN_LEN): Add 1 for whitespace.
2530 (_cpp_lex_file): Update to use spell_token.
2531 * cpplib.h (E): Remove.
2532 (TTYPE_TABLE): Update CPP_VSPACE entry.
2534 2000-05-08 Richard Henderson <rth@cygnus.com>
2536 * flow.c (init_propagate_block_info): Watch out for conditional
2537 branch to next instruction, and thus one outgoing edge.
2539 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2540 for global register variables; don't special case __[CD]TOR_LIST__;
2541 mind ggc_p for string allocation.
2543 2000-05-08 Nick Clifton <nickc@cygnus.com>
2545 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2547 2000-05-08 Bruce Korb <bkorb@gnu.org>
2549 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2550 i?86-*-msdosdjgpp* no longer uses fixincludes
2551 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2552 * fixinc/inclhack.sh: deleted
2553 * fixinc/hackshell.tpl: deleted
2554 * fixinc/inclhack.tpl: deleted
2555 * fixinc/Makefile.in: Remove dependencies on above
2556 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2558 2000-05-08 Andreas Jaeger <aj@suse.de>
2560 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2563 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2565 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2568 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2570 * cpplex.c: Move new lexer definitions and prototypes
2571 to top. Conditional include these and the code if
2572 NEW_LEXER is defined. Rename functions whose names
2573 clash if this code included.
2575 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2577 * rtl.def (COND_EXEC): Clarify.
2579 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2580 same fashion as zero_extendsidi2.
2582 2000-05-06 Richard Henderson <rth@cygnus.com>
2584 * config/ia64/ia64.c (predicate_operator): New.
2585 (ia64_print_operand): Handle 'J'.
2586 (rtx_needs_barrier): Handle COND_EXEC.
2587 * config/ia64/ia64.h (BRANCH_COST): Define.
2588 (PREDICATE_CODES): Update.
2589 * config/ia64/ia64.md: Docuement used unspec values.
2590 (attr predicable): New.
2591 (movxf, movxf_internal): New.
2592 (extendsfdf2): Don't comment out nop.
2593 (floatdidf2): Remove.
2594 (truncxfsf2, truncxfdf2, floatdixf2): New.
2595 (abssi2, absdi2): Put the neg in the "true" slot.
2596 (conditional branch instructions): Mark not predicable.
2597 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2598 (abs*_internal): Likewise.
2599 (alloc, set_bsp): Mark not predicable.
2600 (barrier, insn_group_barrier, flush_cache): Likewise.
2601 (define_cond_exec): New.
2603 2000-05-06 Richard Henderson <rth@cygnus.com>
2605 * c-decl.c: Include "tm_p.h".
2607 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2608 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2609 (ia64_expand_op_and_fetch): Declare.
2610 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2611 (setjmp_operand): Constify variables for XSTR.
2612 (ia64_encode_section_info): Likewise.
2613 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2615 (ia64_asm_output_external): Constify name.
2616 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2617 (process_for_unwind_directive): Provide switch default.
2618 (ia64_expand_compare_and_swap): Remove unused variables.
2619 (ia64_expand_builtin): Likewise.
2620 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2623 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2624 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2625 (shift_count_operand, shift_32bit_count_operand): Likewise.
2626 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2627 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2628 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2629 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2630 (ia64_expand_builtin): Likewise.
2631 (call_multiple_values_operation): Make dest_regno unsigned.
2633 2000-05-06 Richard Henderson <rth@cygnus.com>
2635 * rtl.def (DEFINE_COND_EXEC): New.
2636 * md.texi: Document it.
2638 * gensupport.c (input_file): Remove.
2639 (struct queue_elem): Add lineno.
2640 (rtx_ready_queue): Remove.
2642 (predicable_default): New.
2643 (predicable_true, predicable_false): New.
2644 (define_attr_queue, define_attr_tail): New.
2645 (define_insn_queue, define_insn_tail): New.
2646 (define_cond_exec_queue, define_cond_exec_tail): New.
2647 (other_queue, other_tail): New.
2648 (queue_pattern): New.
2649 (process_rtx): Add patterns to the appropriate queues.
2650 (is_predicable, identify_predicable_attribute): New.
2651 (n_alternatives, collect_insn_data): New.
2652 (alter_predicate_for_insn, alter_test_for_insn): New.
2653 (shift_output_template, alter_output_for_insn): New.
2654 (process_one_cond_exec, process_define_cond_exec): New.
2655 (init_md_reader): Read the entire file. Process define_cond_exec.
2656 (read_md_rtx): Return elements from the queues.
2658 2000-05-06 Richard Henderson <rth@cygnus.com>
2660 * flow.c (mark_set_1): Don't update conditional life info
2661 if the register is not_dead.
2663 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2665 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2666 (mostlyclean): Also delete fixincl, fixinc.sh, and
2667 specs.ready, and make clean in the fixinc subdir.
2669 2000-05-06 Richard Henderson <rth@cygnus.com>
2671 * Makefile.in (gensupport.o): Compile for the host.
2672 (host-prefix gensuuprt.o): Remove.
2673 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2674 (genattrtab.o): Likewise.
2675 (gencodes.o): Depend on gensupport.h.
2676 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2677 (genpeep.o, genattr.o, genoutput.o): Likewise.
2679 * gensupport.c (obstack, rtl_obstack): New.
2680 (init_md_reader): Initialize rtl_obstack.
2681 * gensupport.h (rtl_obstack): Declare.
2682 (message_with_line): Declare.
2684 * genattr.c: Remove all traces of obstack manipulation.
2685 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2686 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2688 * genattrtab.c (obstack, rtl_obstack): Remove.
2689 (main): Don't init rtl_obstack.
2690 * genflags.c: Likewise.
2692 * genrecog.c (message_with_line): Move ...
2693 * gensupport.c: ... here.
2695 2000-05-06 Richard Henderson <rth@cygnus.com>
2697 * c-typeck.c (build_c_cast): Remove dead code.
2699 2000-05-06 Richard Henderson <rth@cygnus.com>
2701 * flow.c (split_edge): Don't allocate global_live_at_start for
2702 the new block unless the old blocks had them as well.
2704 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2706 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2707 test_bb if a or b uses x.
2709 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2711 * cpphash.h: Remove conditional #define of __extension__.
2712 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2713 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2714 (ENABLE_RTL_CHECKING only).
2715 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2716 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2717 (ENABLE_TREE_CHECKING only).
2718 * varray.h: Add __extension__ to VARRAY_CHECK macro
2719 (ENABLE_CHECKING only).
2721 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2723 Use new tail-calling mechanism on ARM.
2724 * arm.md (sibcall, sibcall_value): New expands.
2725 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2726 (tailcalling peepholes): Delete.
2727 (push_multi): Simplify.
2728 * arm.c (lr_save_eliminated): Delete definition.
2729 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2730 (output_return_instruction): Remove checks on lr_save_eliminated.
2731 (output_arm_prologue): Remove old tail-calling code.
2732 (arm_output_epilogue): New parameter, really_return. All callers
2733 changed. Handle tail-calling epilogues.
2734 * arm.h (lr_save_eliminated): Delete declaration.
2735 (frame_pointer_needed): Delete declaration.
2736 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2738 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2740 * arm.c (thumb_code): Define it.
2741 (arm_override_options): Set it.
2742 * arm.h (thumb_code): Declare it.
2744 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2746 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2748 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2750 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2751 bogus clobber to insns.
2752 (load_multiple_operation, store_mulitple_operation): Don't check
2754 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2756 * arm.md (and_scc, ior_scc): Add missing mode.
2758 * arm.md (call_value_symbol): Remove predicate from op2.
2760 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2762 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2764 * expr.c (get_subtarget): New function.
2765 (force_operand, expand_expr, do_store_flag): Use it.
2767 * toplev.c (compile_file): Don't take strlen of NAME if null.
2769 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2771 * xcoffout.c (xcoff_current_include_file,
2772 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2773 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2775 (xcoffout_declare_function): Make name 'const char *'.
2776 (xcoffout_end_epilogue): Make fname 'const char *'
2777 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2778 xcoffout_declare_function, xcoffout_source_line): Match above.
2780 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
2782 * rs6000.c (print_operand): Fix lossage typo.
2783 (output_cbranch): Remove "cr" decoration for now.
2784 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
2786 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
2788 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
2791 2000-05-05 Bruce Korb <bkorb@gnu.org>
2793 * fixinc/genfixes: Improve the matching for make target names
2795 2000-05-05 Catherine Moore <clm@cygnus.com>
2797 * c-common.c (decl_attributes): For TYPE_DECLs attach the
2798 attribute to the decl.
2799 * c-decl.c (pushdecl): Propagate the USED attribute to the
2802 2000-05-05 Richard Henderson <rth@cygnus.com>
2804 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
2805 same way emit_group_load does.
2807 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
2809 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
2811 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
2814 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
2816 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
2818 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
2820 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
2821 to support -shared, on platforms with dynamic libraries.
2823 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
2825 * system.h (S_ISBLK): Provide fallback definition.
2827 2000-05-05 Geoff Berry <geoffb@bops.com>
2829 * extend.texi (Extended Asm): Document inability to give asm
2830 statements access to condition codes.
2832 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
2834 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
2835 as arg 2 of UNIQUE_SECTION.
2837 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
2839 * predict.c: Remove May 4 change.
2840 * bb-reorder.c (make_reorder_chain): Do not perform block movement
2841 if we have predicted the branch at 50-50 probability.
2843 2000-05-05 Richard Henderson <rth@cygnus.com>
2845 * flow.c (init_propagate_block_info): Fix merge error
2846 in HAVE_conditional_execution code.
2848 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
2850 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
2851 shift cycle for unknown shift count. Also generates dec + brpl.
2852 (ashlqi3_out): Don't generate dec + brpl which now generates by
2853 `out_shift_with_cnt'.
2854 (ashlhi3_out): Likewise.
2855 (ashlsi3_out): Likewise.
2856 (ashrqi3_out): Likewise.
2857 (ashrhi3_out): Likewise.
2858 (ashrsi3_out): Likewise.
2859 (lshrqi3_out): Likewise.
2860 (lshrhi3_out): Likewise.
2861 (lshrsi3_out): Likewise.
2863 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
2865 * gcc.c (free_split_directories): Correct typo in explanation
2866 of make_relative_prefix.
2868 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2870 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
2871 comparison codes to branch_comparison_operator.
2873 2000-05-04 Richard Henderson <rth@cygnus.com>
2875 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
2877 2000-05-04 Richard Henderson <rth@cygnus.com>
2879 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
2880 (DPBIT_FUNCS): Remove _sf_to_usi.
2881 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
2883 * ifcvt.c (noce_process_if_block): Fail if A or B modified
2884 between condition and jump.
2886 * libgcc2.c (near eh_context_specific): Comment #endif string.
2887 * longlong.h: Don't use strings with embedded newlines.
2889 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2891 * config/rs6000/rs6000-protos.h: Add output_cbranch.
2892 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
2893 (print_operand): Delete %t and %T codes.
2894 (output_cbranch): New function. Support branch prediction.
2895 * config/rs6000/rs6000.md: Use output_cbranch for
2896 conditional branches and returns.
2898 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
2900 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
2901 * stor-layout.c (place_field): Likewise.
2902 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
2903 * expr.c (store_expr): Make align unsigned.
2904 * explow.c (plus_constant_wide): Make low words unsigned.
2905 * expmed.c (choose_multiplier): Likewise.
2906 * fold-const.c (fold): Likewise.
2907 * tree.h (build_int_2): Likewise.
2908 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
2909 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
2910 (init_emit): Change cast to unsigned char*.
2911 * varasm.c (compare_constant_1): Add cast to char*.
2912 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
2913 * reload1.c (reload): Likewise.
2915 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
2917 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
2919 * predict.c (estimate_probability): If no prediction was found, then
2920 predict the successor that is the next physical block (if such a
2923 2000-05-04 Richard Henderson <rth@cygnus.com>
2925 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
2927 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2929 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
2931 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
2933 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
2934 attribute macros from here ...
2935 (CPP_SPEC): to here.
2936 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2937 (CPP_SPEC): Likewise.
2938 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
2940 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
2941 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
2943 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2945 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
2947 * diagnostic (vbuild_message_string, build_message_string,
2948 build_location_prefix, output_get_prefix, init_output_buffer,
2949 output_notice, vline_wrapper_message_with_location,
2950 v_message_with_decl, default_print_error_function): De-constify.
2951 (set_real_maximum_length): Prototype.
2953 * diagnostic.h (struct output_buffer, init_output_buffer,
2954 output_get_prefix, output_set_prefix): De-constify.
2956 * function.c (init_function_start): Constify.
2958 * gensupport.c (remove_constraints, process_rtx): Prototype.
2960 * gthr-posix.h: Indent uses of #pragma.
2962 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
2965 * predict.c (find_expected_value): Delete prototype.
2966 (expected_value_to_br_prob): Initialize variable `ev_reg'.
2968 * sbitmap.h (debug_sbitmap): Prototype.
2970 * ssa.c (compute_coalesced_reg_partition): Prototype.
2972 * stor-layout.c (debug_rli): Prototype.
2974 * tree.h (round_down): Prototype.
2975 (init_function_start): Constify.
2977 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
2979 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
2980 (overly conservative). Change extern inline wrappers to
2981 static inline, define them always, use PARAMS properly.
2982 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
2983 whitespace warnings for \f and \v at the beginning of a line.
2985 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
2987 * haifa-sched.c (schedule_insns): Free the flow edge list when it
2990 2000-05-04 Bruce Korb <bkorb@gnu.org>
2992 * fixincl/inclhack.def: added broken_cabs -
2993 Remove `extern double cabs' declarations from math.h
2994 * fixincl/inclhack.sh: regen
2995 * fixincl/fixincl.x: regen
2996 * fixincl/fixincl.c: Remove BOGOSITY code
2997 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
2999 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3001 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
3003 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
3004 when calling MEM_COPY_ATTRIBUTES.
3005 * emit-rtl.c (operand_subword, change_address): Likewise.
3006 * explow.c (stabilize): Likewise.
3007 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3008 * integrate.c (copy_rtx_and_substitute): Likewise.
3009 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
3010 when calling MEM_COPY_ATTRIBUTES.
3011 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
3013 * cse.c (gen_lowpart_if_possible): Likewise.
3014 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3015 * optabs.c (gen_move_insn): Likewise.
3016 * recog.c (validate_replace_rtx_1): Likewise.
3017 * simplify-rtx.c (add_mem_for_addr): Likewise.
3018 * stmt.c (expand_anon_union_decl): Likewise.
3019 * config/arm/arm.md: Likewise.
3020 * config/h8300/h7300.c (fix_bit_operand): Likewise.
3021 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
3022 (block_move_no_loop, block_move_sequence): Likewise.
3023 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
3024 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3025 Clear MEM_ALIAS_SET.
3026 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
3027 MEM_COPY_ATTRIBUTES.
3029 2000-05-03 Robert Lipe <robertlipe@usa.net>
3031 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
3032 to suppress libgcc1.
3033 (i[34567]86-*-sco3.2v5*) Likewise.
3034 (i[34567]86-*-sco3.2v4*) Likewise.
3035 (i[34567]86-*-sco) Likewise.
3036 (i[34567]86-*-solaris2) Likewise.
3037 (i[34567]86-*-sysv5*) Likewise.
3038 (i[34567]86-*-sysv4*) Likewise.
3039 (i[34567]86-*-udk*) Likewise.
3040 (i[34567]86-*-sysv*) Likewise.
3042 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3044 * cpphash.h (U): New define, to correct type of string constants.
3045 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
3046 routines, to do casts when passing unsigned strings to libc.
3047 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
3049 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
3050 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
3051 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
3052 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
3053 second argument an U_CHAR *.
3055 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
3056 length field, clean up initializer.
3057 (ISTABLE): Add __extension__ to designated-
3058 initializers version.
3059 * cpplex.c (CHARTAB): Likewise.
3061 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
3062 case so the file won't be empty.
3064 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
3066 * bb-reorder.c (struct reorder_block_def): Member succ removed.
3067 (REORDER_BLOCK_SUCC): Removed.
3068 (enum reorder_skip_type): Removed.
3069 (skip_insns_between_block): Renamed to skip_insns_after_block.
3070 Removed second argument. Removed dead code and cleaned up.
3071 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
3072 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
3073 second parameter to skip_insns_after_block.
3075 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3077 * tree.c (staticp, case LABEL_DECL): New case.
3079 2000-05-03 Richard Henderson <rth@cygnus.com>
3081 * Makefile.in (start.encap): Do not depend on LIBGCC1.
3083 * mklibgcc1.in: Fix typo last change.
3085 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3087 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
3088 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
3089 (GCC_CFLAGS): Use it.
3090 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
3091 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
3092 objc/Make-lang.in: Use it.
3094 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
3096 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
3098 2000-05-03 Richard Henderson <rth@cygnus.com>
3100 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
3101 LIBGCC1 empty with libgcc1.null.
3103 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
3105 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
3108 2000-05-03 Greg McGary <gkm@gnu.org>
3110 * tree.h (tree_common): Add bounded_flag member. Remove
3111 inaccurate comment about number of remaining bits.
3112 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
3113 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
3114 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
3115 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
3116 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
3117 (TYPE_QUAL_BOUNDED): New constant.
3118 (TYPE_QUALS): Handle bounded qualifier.
3119 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
3120 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
3121 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
3122 TYPE_AMBIENT_BOUNDEDNESS): New macros.
3123 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
3124 (tree_type): Add pointer_depth member. Remove
3125 inaccurate comment about number of remaining bits.
3126 (DECL_POINTER_DEPTH): Add macro.
3127 (tree_decl): Add pointer_depth member.
3129 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
3131 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
3132 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
3133 (lshrhi3_out): Likewise.
3134 (ashrsi3_out): bugfix in shift by 8.
3135 (test_hard_reg_class): New function.
3136 * config/avr/avr.md: Bugfix inside conditions in peepholes.
3137 (ashlhi3): removed define_expand of this pattern.
3138 (*ashlhi3_insn): renamed to ashlhi3.
3139 (ashlsi3): removed define_expand of this pattern.
3140 (*ashlsi3_insn): renamed to ashlsi3.
3141 (ashrqi3): removed define_expand of this pattern.
3142 (*ashrqi3_insn): renamed to ashrqi3.
3143 (ashrhi3): removed define_expand of this pattern.
3144 (*ashrhi3_insn): renamed to ashrhi3.
3145 (ashrsi3): removed define_expand of this pattern.
3146 (*ashrsi3_insn): renamed to ashrsi3.
3147 (lshrhi3): removed define_expand of this pattern.
3148 (*lshrhi3_insn): renamed to lshrhi3.
3149 (lshrsi3): removed define_expand of this pattern.
3150 (*lshrsi3_insn): renamed to lshrsi3.
3152 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
3154 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
3155 inclusion of "system.h".
3157 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
3159 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
3162 2000-05-03 David Mosberger <davidm@hpl.hp.com>
3164 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
3165 if -mauto-pic is on.
3166 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
3167 -mconstant-gp is in effect and function-descriptors are being used
3168 to make indirect calls.
3169 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
3170 (MASK_AUTO_PIC): Ditto.
3171 (TARGET_CONST_GP): Ditto.
3172 (TARGET_AUTO_PIC): Ditto.
3173 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
3174 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
3175 -mno-pic is in effect.
3176 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
3177 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
3178 -mauto-pic is in effect.
3179 (gprel64_offset): New pattern.
3180 (load_gprel64): Ditto.
3181 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
3182 -mconstant-gp is in effect, no need to preserve gp around direct
3184 (call_value): Ditto.
3185 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
3186 (FUNCTION_PROFILER): Define.
3187 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
3188 @fptr() directive when -mno-pic or -mauto-pic is in effect.
3189 (ASM_OUTPUT_DESTRUCTOR): Ditto.
3191 2000-05-03 Richard Henderson <rth@cygnus.com>
3193 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
3194 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
3195 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
3196 (mklibgcc, libgcc.mk): New targets.
3197 (libgcc.a): Use libgcc.mk.
3198 (stmp-multilib): Likewise.
3199 (stmp-multilib-sub): Remove.
3200 (mostlyclean): Don't delete libgcc2 temp files.
3201 * configure.in (AC_PROG_CC_C_O): Add.
3202 (NO_MINUS_C_MINUS_O): Substitute it.
3203 (all_outputs): Add mklibgcc.
3204 * mklibgcc.in: New file.
3206 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3208 * cppexp.c (op_t): Make an int.
3210 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
3212 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
3214 * gensupport.c (process_rtx): Fix macros used.
3216 2000-05-03 Richard Henderson <rth@cygnus.com>
3218 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
3219 call-clobbered registers of a call.
3221 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3223 * gensupport.c: New file.
3224 * gensupport.h: New file.
3225 * Makefile.in (HOST_RTL): Depend on gensupport.
3226 (gensupport.o) New rule.
3227 * genattr.c: Use gensupport for reading .md files.
3228 * genattrtab.c: Ditto.
3229 * gencodes.c: Ditto.
3230 * genconfig.c: Ditto.
3232 * genextract.c: Ditto.
3233 * genflags.c: Ditto.
3234 * genopinit.c: Ditto.
3235 * genoutput.c: Ditto.
3237 * genrecog.c: Ditto.
3238 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
3239 * md.texi (Insn Splitting): Document define_insn_and_split.
3241 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
3243 * flow.c (verify_flow_info): Added two more sanity checks. The
3244 first checks that the blocks are numbered consecutively. The second
3245 checks that n_basic_blocks is actually equal to the number of
3246 basic blocks in the insn chain.
3248 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3250 * cpplib.h: Add accessor macros for token lists.
3251 * cpplib.c, cpphash.c, cpplex.c: Use them.
3253 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3255 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
3256 memory usage if not in a function.
3257 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
3258 return address if static.
3260 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
3262 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
3263 whether address may trap.
3265 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
3267 * bb-reorder (chain_reorder_blocks): Changed code to test for
3268 EDGE_FALLTHRU rather than making erroneous assumption that the
3269 first outgoing edge is the fall-through edge.
3271 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
3273 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
3274 ABI for varargs, across all MIPS. This is incompatible because the
3275 va_list (__builtin_va_list) structure is different, so a compilation
3276 unit passing a va_list and a compilation unit being passed one, should
3277 both be compiled with the same ABI. (The old structure had two
3278 pointers, now it has three.)
3280 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
3282 * bb-reorder.c (struct reorder_block_def): Remove members end,
3283 block_begin, and block_end.
3284 (REORDER_BLOCK_OLD_END): Delete.
3285 (REORDER_BLOCK_BEGIN): Delete.
3286 (REORDER_BLOCK_END): Delete.
3287 (chain_reorder_blocks): Remove dead code.
3289 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
3291 * bb-reorder.c (remove_scope_notes): Check for both types of scope
3292 notes as the end of a basic block before deleting.
3294 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
3296 * final.c (final_start_function): Fix spelling of "necessary".
3298 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
3300 * toplev.c (debug_ignore_block): Return int.
3301 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
3302 * toplev.h, dwarf2out.h: Adjust.
3303 * emit-rtl.c (remove_unnecessary_notes): Test return value.
3305 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
3306 * toplev.c, final.c, rtl.h: Adjust.
3308 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3310 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
3311 * configure.in: Look for makeinfo in the unified tree, then
3312 for a system makeinfo which is sufficiently new.
3313 * Makefile.in: If configure says makeinfo is too old, don't
3314 build or install Info documentation.
3316 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3318 * cpphash.c (collect_params): Fix off-by-one error.
3319 (dump_hash_helper): Dump all four macro nodetypes.
3321 2000-05-02 Jakub Jelinek <jakub@redhat.com>
3323 * cpphash.c (trad_stringify): Adjust p after stringification as
3326 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3328 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
3329 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
3331 * cppfiles.c (file_cleanup): Delete.
3332 * cpphash.c (macro_cleanup): Delete.
3333 (collect_objlike_expansion, collect_funlike_expansion,
3334 macarg, scan_arguments): Remove CPP_POP case.
3336 * cpplex.c (null_cleanup): Delete.
3337 (cpp_pop_buffer): Do the work that was done in the cleanups
3338 here. Call _cpp_unwind_if_stack from here.
3339 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3340 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3341 stack is the buffer _below_ the one we stacked.
3342 (cpp_get_token): Always pop an exhausted buffer. Return
3343 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3344 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3345 increment the line number.
3346 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3348 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3349 we see CPP_EOF and the top of stack is the buffer _below_ the
3351 * scan-decls.c: Likewise.
3353 2000-05-02 Andrew Haley <aph@cygnus.com>
3355 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3356 where this function is called for the second time on a decl that
3357 has had its section info changed in such a way as to move it out
3359 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3361 2000-05-01 Richard Henderson <rth@cygnus.com>
3363 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3364 the sequence we're moving, not to merge_bb->head.
3366 2000-05-01 Richard Henderson <rth@cygnus.com>
3368 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3369 reference to alpha/t-linux.
3370 (alpha*-*-linux-gnu*): Likewise.
3371 * configure: Rebuild.
3373 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3375 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3378 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3380 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3382 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3385 2000-05-01 Richard Henderson <rth@cygnus.com>
3387 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3388 emit_conditional_move.
3390 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3392 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3393 as the dynamic linker.
3395 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3397 * cppfiles.c (open_include_file): Open file in blocking mode.
3398 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3399 Only exclude block devices and directories.
3401 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3402 static. Allocate the hashnode and its string in the same
3404 (del_HASHNODE): Don't free h->name.
3405 (_cpp_lookup): If there is no entry for this string, create
3406 one, of type T_VOID.
3407 (_cpp_lookup_slot): Delete.
3408 * cpphash.h: Update prototypes.
3410 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3412 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3413 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3414 node here, just fill in the value field properly. "Delete"
3415 entries by setting the value field to T_VOID. Check for
3416 hp->type == T_VOID, not hp == NULL.
3418 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3419 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3422 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3424 * config/mn10300/mn10300.c (print_operand_address): Do not add
3427 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3428 adjusted by less than 256 bytes, use ret regardless of having any
3429 callee-saved register to restore.
3431 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3433 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3435 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3437 * config/i386/djgpp.h (INT_ASM_OP): Define.
3438 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3439 (ASM_WEAKEN_LABEL): Define.
3440 (MASK_BNU210): Define.
3441 (SUBTARGET_SWITCHES): Define.
3442 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3443 (MAKE_DECL_ONE_ONLY): Define.
3444 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3446 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3448 * i386/cygwin.h (INT_ASM_OP): Define.
3450 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3452 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3453 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3455 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3457 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3458 __tmp_reg__ and __zero_reg__ initialization.
3460 2000-04-30 Richard Henderson <rth@cygnus.com>
3462 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3464 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3465 referenced bewteen the condition and the jump. Don't delete
3466 anything but the jump.
3468 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3470 * bb-reorder.c (scope_def): New struct.
3471 (scope_forest_info): New struct.
3472 (struct reorder_block_def): New member "scope".
3473 (REORDER_BLOCK_SCOPE): New macro.
3474 (relate_bbs_with_scopes): New function and prototype.
3475 (make_new_scope): Likewise.
3476 (build_scope_forest): Likewise.
3477 (remove_scope_notes): Likewise.
3478 (insert_intra_1): Likewise.
3479 (insert_intra_bb_scope_notes): Likewise.
3480 (insert_inter_bb_scope_notes): Likewise.
3481 (rebuild_scope_notes): Likewise.
3482 (free_scope_forest_1): Likewise.
3483 (free_scope_forest): Likewise.
3484 (dump_scope_forest): Likewise.
3485 (dump_scope_forest_1): Likewise.
3486 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3487 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3489 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3490 and remove_scope_notes before reordering is done. Added calls to
3491 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3492 after reordering is done.
3494 2000-40-30 Bruce Korb <bkorb@gnu.org>
3496 * fixinc/inclhack.def: Added definitions needed by OSR5,
3497 removed two stale entries (defined away with OLD_CPP).
3498 * fixinc/inclhack.sh: regen
3499 * fixinc/fixincl.x: regen
3501 2000-04-30 Richard Henderson <rth@cygnus.com>
3503 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3504 from the last insn in the sequence.
3506 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3508 * cpplex.c (cpp_idcmp): New function.
3509 * cpplib.h: Prototype it.
3510 * scan_decls.c (scan_decls): Use it to inspect token names.
3511 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3512 the file being run through the preprocessor.
3513 (check_macro_names): Provide length of token to cpp_defined.
3515 * Makefile.in: Remove stale warning message.
3517 * cppfiles.c (redundant_include_p): Provide length of token to
3519 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3520 values are unsigned int.
3521 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3522 (_cpp_lookup_slot): Do not calculate the hash, either.
3523 * cpphash.h: Update prototypes.
3524 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3525 Hashes are unsigned int. Calculate hash here, pass by value
3526 to _cpp_lookup_slot.
3528 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3530 * simplify-rtx.c (check_value_useless): Delete function.
3531 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3533 (cselib_invalidate_regno): Likewise.
3534 (cselib_invalidate_mem_1): Likewise.
3535 (references_value_p): Recognize useless values by the fact that they
3537 (discard_useless_values): Likewise.
3538 (cselib_record_set): This may turn a useless value
3541 2000-04-30 Richard Henderson <rth@cygnus.com>
3543 * config/d30v: New port.
3545 * configure.in (d30v-*): Set fp format.
3546 * configure: Rebuild.
3548 2000-04-30 Richard Henderson <rth@cygnus.com>
3550 * ifcvt.c: New file.
3551 * Makefile.in (OBJS): Add it.
3552 (ifcvt.o): New target.
3553 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3554 and conditional arithmetic.
3555 (find_insert_position): Remove.
3556 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3557 * toplev.c (DFI_ce, DFI_ce2): New.
3558 (dump_file): Add ce and ce2 dumps.
3559 (rest_of_compilation): Run if_convert a couple o times. Set
3560 cse_not_expected after cse2. Don't set no_new_pseudos until
3561 after sched1 or recompute_reg_usage.
3563 2000-04-30 Richard Henderson <rth@cygnus.com>
3565 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3566 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3568 2000-04-30 Richard Henderson <rth@cygnus.com>
3570 * flow.c (struct reg_cond_life_info): New.
3571 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3572 (init_propagate_block_info): Initialize them.
3573 (free_propagate_block_info): Destruct them.
3574 (mark_set_1): Consider conditional life before killing a register.
3575 (mark_regno_cond_dead): New.
3576 (free_reg_cond_life_info): New.
3577 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3578 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3579 (mark_used_reg): Record conditional life.
3581 * haifa-sched.c (schedule_insns): Disable death counting
3582 sanity check for HAVE_conditional_execution.
3584 2000-04-30 Richard Henderson <rth@cygnus.com>
3586 * Makefile.in (TIMEVAR_H): New.
3587 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3588 (timevar.h): Remove rule.
3590 2000-04-29 Richard Henderson <rth@cygnus.com>
3592 * config/alpha/crtend.asm: Use C comments instead of #.
3593 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3595 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3597 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3599 * cpphash.h (enum node_type: Take out T_MCONST.
3600 (union hashval): Move into struct hashnode.
3601 (struct hashnode): Pack tighter. Remove file, line, col
3603 * cpphash.c: Constify most of the macro-definition structures.
3604 (struct definition): Replace by struct object_defn
3605 and struct funct_defn. Put file, line, column information
3606 here. All users updated to match.
3607 (_cpp_create_definition, _cpp_macroexpand): Remove special
3608 case for #define WORD OTHERWORD.
3609 * cpplib.c (do_undef): Remove T_MCONST case.
3611 * cpphash.h: Move struct reflist, struct definition, and the
3612 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3613 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3614 * cpphash.c (_cpp_free_definition): Free data pointed to by
3615 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3616 (_cpp_create_definition, del_HASHNODE): Just call
3617 _cpp_free_definition to clear out a hashnode.
3618 * cpplib.c (do_pragma_poison): Likewise.
3620 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3622 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3623 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3624 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3625 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3626 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3627 REGNO_AM33_P): Redefine in terms of the new macros.
3628 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3629 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3630 STRUCT_VALUE): Likewise.
3631 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3632 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3634 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3636 * regmove.c (struct record_stack_memrefs_data): New.
3637 (record_stack_memrefs): New function.
3638 (combine_stack_adjustments_for_block): Use it.
3640 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3642 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3643 use special_function_p to detect alloca.
3645 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3647 * gcc.texi: Fixes for makeinfo 4.0 --html.
3649 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3651 * pcp.h: Delete file.
3653 2000-04-28 Kazu Hirata <kazu@hxi.com>
3655 * h8300.c (function_epilogue): Clean up flags when the last insn
3656 in a function is a barrier.
3658 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3660 * configure.in (sparc-hal-solaris2*): protect [] glob from
3662 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3663 rather than hard-coded constants in target_cpu_default2.
3664 * configure: Regenerate.
3666 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3668 * tree.c (get_callee_fndecl): Extract the initial value from
3671 2000-04-28 Richard Henderson <rth@cygnus.com>
3673 * varasm.c (record_constant_1): Record the CODE_LABEL when
3674 taking the address of a LABEL_REF.
3676 2000-04-28 Richard Henderson <rth@cygnus.com>
3677 Jan Hubicka <jh@suse.cz>
3679 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3680 adjustment; don't do the stack adjust.
3681 (expand_call): Call compute_argument_block_size right before
3682 allocating the block; update comment; don't do alignment sanity
3683 checking for sibling call; use args_size instead of
3684 unadjusted_args_size before args_size is adjusted. Use
3685 combine_pending_stack_adjustment_and_call to compute stack adjust
3686 for must_preallocate case.
3688 * expr.c (push_block): Remove shadow `temp' in inner scope.
3690 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3692 * toplev.c (rest_of_compilation): Call
3693 note_deferral_of_defined_inline_function even if the function
3696 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3698 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3700 2000-04-28 Richard Henderson <rth@cygnus.com>
3702 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3704 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3706 * timevar.c (init_timevar): DeANSIfy function definition.
3708 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3710 * Makefile.in (timevar.o): Depend on flags.h.
3711 * timevar.c (unused_stack_instances): New variable.
3712 (timevar_push): Take a timevar_stack_def from
3713 unused_stack_instances if available.
3714 (timevar_pop): Push the popped timevar_stack_def onto
3715 unused_stack_instances.
3716 (TIMEVAR_ENABLE): New macro.
3717 (timevar_def): Make standalone a 1-bit field. Add field used.
3718 (get_time): Rename parameter to now. Return after clearing it if
3720 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3721 (timevar_pop): Likewise.
3722 (timevar_stop): Likewise.
3723 (timevar_push): Likewise. Mark the timing variable as used.
3724 (timevar_start): Likewise.
3725 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3726 timevars that were never used.
3728 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3730 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3731 always TREE_READONLY.
3733 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3735 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3736 for call instruction with mode QImode.
3738 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3740 * Makefile.in (OBJS): Add timevar.o.
3741 (toplev.o): Depend on timevar.h.
3742 (ggc-simple.o): Likewise.
3743 (ggc-page.o): Likewise.
3744 (timevar.o): New rule.
3745 (timevar.h): New rule.
3747 * timevar.h: New file.
3748 * timevar.c: Likewise.
3749 * timevar.def: Likewise.
3751 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3752 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3754 (TIMEVAR): Remove macro.
3755 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3756 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3757 flow_time, combine_time, regmove_time, sched_time,
3758 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3759 sched2_time, dbr_sched_time, reorder_blocks_time,
3760 rename_registers_time, shorten_branch_time, stack_reg_time,
3761 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3763 (compile_file): Don't initialize time variables. Call
3764 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3765 of many calls to print_time.
3766 (rest_of_compilation): Add timing for reload_cse_regs.
3767 (get_run_time): Removed to timevar.c.
3768 (print_time): Likewise.
3769 (get_run_time): Implement using TV_TOTAL time variable.
3770 (print_time): Get total run time from get_run_time.
3771 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3772 computing elapsed time explicitly.
3773 * ggc-simple.c (ggc_collect): Likewise.
3774 (gc_time): Remove declaration.
3776 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3778 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3779 (expand_call): Use it.
3781 2000-04-27 Jan Hubicka <jh@suse.cz>
3783 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
3786 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3788 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
3791 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
3793 * function.c (epilogue_done): Pass whole insn to record_insns.
3795 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3797 * cse.c (CSE_ADDRESS_COST): Remove.
3798 (find_best_addr): Add new parameter "MODE", use address_cost instead
3800 (address_cost): New.
3801 (fold_rtx): Update call of find_best_addr.
3802 * rtl.h (address_cost): Declare.
3803 * loop.c (general_induction_var): Add new parameter "MODE", use
3804 address_cost instead of ADDRESS_COST
3805 (init_loop): Use address_cost instead of ADDRESS_COST.
3806 (check_insn_for_givs): Update call of general_induction_var.
3807 (find_mem_givs): Likewise.
3808 (consec_sets_giv): Likewise.
3809 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
3810 * i386.c (ix86_address_cost): New.
3811 * i386-protos.h (ix86_address_cost): Declare.
3813 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
3815 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
3818 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
3820 * expr.c (store_expr): Use clear_storage instead of direct memset
3823 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
3825 * config/mn10300/mn10300.c (mn10300_address_cost): Test
3826 ASHIFT, AND and LABEL_REF.
3828 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
3830 * invoke.texi (-foptimize-sibling-calls): Fix.
3832 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
3834 * loop.c (load_mems) Don't use hard registers for the hoisting.
3836 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
3837 calculation; rename const_equiv array in the preconditioning code
3838 from loop_unroll to loop_unroll_precondition
3840 2000-04-27 Richard Henderson <rth@cygnus.com>
3842 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
3844 (propagate_one_insn): Clear it. Don't update reg_live here.
3845 (init_propagate_block_info): Update for pbi member changes.
3846 (free_propagate_block_info): Likewise.
3847 (mark_set_1): Know that zero_extract, sign_extract, and
3848 strict_low_part don't kill their argument. Alter hard subregs.
3849 Update new_set for non-CLOBBER sets. Update reg_live.
3850 (find_auto_inc): Update reg_live, not new_dead.
3851 (mark_used_reg): Update reg_live, not new_live. Examine new_set
3852 to determine if the reg in question was set this insn. Only update
3853 reg info with PROP_REG_INFO.
3855 2000-04-26 Richard Henderson <rth@cygnus.com>
3857 * flow.c (allocate_reg_life_data): Set max_regno here ...
3858 (life_analysis): ... not here.
3860 * flow.c (calculate_global_regs_live): Force stack pointer
3863 2000-04-26 Richard Henderson <rth@cygnus.com>
3865 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
3866 commit change group changes.
3867 (invert_exp_1): Similarly.
3868 (redirect_exp, invert_exp): Use them.
3869 (redirect_jump_1): New.
3870 (invert_jump_1): New.
3871 (jump_optimize_1): Remove code subsumed by condexec.c.
3872 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
3874 2000-04-26 Richard Henderson <rth@cygnus.com>
3876 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
3878 * genconfig.c (main): Set all HAVE_foo to 1.
3880 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
3882 2000-04-26 Alex Samuel <samuel@codesourcery.com>
3884 * invoke.texi: Document -fssa flag.
3886 2000-04-26 Richard Henderson <rth@cygnus.com>
3888 * flow.c (count_reg_sets_1): Remove.
3889 (count_reg_sets, count_reg_references): Remove.
3890 (recompute_reg_usage): Implement with update_life_info.
3891 Reallocate life data.
3893 2000-04-26 Richard Henderson <rth@cygnus.com>
3895 * flow.c (update_life_info): Consider blocks null to mean the
3897 (calculate_global_regs_live): Likewise.
3898 (life_analysis): Do that instead of collecting all_blocks.
3900 2000-04-26 Richard Henderson <rth@cygnus.com>
3902 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
3903 a still-valid conditional jump.
3905 2000-04-26 Richard Henderson <rth@cygnus.com>
3907 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
3909 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
3910 * flow.c (calculate_loop_depth): Remove.
3911 * output.h (calculate_loop_depth): Don't declare.
3912 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
3913 inline; run estimate_probability at the same time.
3915 2000-04-26 Neil Booth <NeilB@earthling.net>
3917 * cpplib.h: "~=" is not a single pp-token.
3918 * cpplex.c: Correct commentary.
3920 2000-04-26 Richard Henderson <rth@cygnus.com>
3922 * flow.c (mark_set_1): New arguments code and flags; update all
3923 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
3924 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
3925 loop_depth when optimizing for size. Do new_dead update after
3926 emitting REG_UNUSED notes. Merge mark_set_reg code.
3927 (mark_set_reg): Remove.
3928 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
3929 arrange to not emit REG_UNUSED notes.
3931 2000-04-26 Richard Henderson <rth@cygnus.com>
3933 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
3934 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
3936 2000-04-26 Richard Henderson <rth@cygnus.com>
3938 * flow.c (propagate_one_insn): Break out from propagate_block.
3939 (init_propagate_block_info): Likewise.
3940 (free_propagate_block_info): Likewise.
3941 (propagate_block): Use them. Export.
3942 * basic-block.h: Declare them all.
3944 2000-04-26 Richard Henderson <rth@cygnus.com>
3946 * basic-block.h (life_analysis): Declare here ...
3947 * output.h: ... not here.
3948 * flow.c (life_analysis): Remove nregs parameter; replace
3949 remove_dead_code with flags. Remove ssa dead code check.
3950 Only init alias analysis if we'll use it.
3951 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
3952 * ssa.c (convert_to_ssa): Likewise.
3953 (convert_from_ssa): Likewise.
3954 * toplev.c (rest_of_compilation): Likewise.
3956 2000-04-26 Richard Henderson <rth@cygnus.com>
3958 * flow.c (flow_delete_block): Rename from delete_block. Export.
3959 * basic-block.h (flow_delete_block): Declare.
3961 2000-04-26 David S. Miller <davem@redhat.com>
3963 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
3964 taking a PATTERN of it.
3966 2000-04-26 <NeilB@earthling.net>
3968 * cpplex.c (spell_other, spell_char): Remove.
3970 (token_spelling, trigraph_map): Use unsigned chars.
3971 (_cpp_lex_line): Tidy up the switch statement.
3972 * cpplib.h: Implement spell_char with spell_string.
3975 2000-04-26 <RodneyBrown@pmsc.com>
3977 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3978 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3980 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3982 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
3983 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
3984 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
3985 dwarf2out_return_save, dwarf2out_return_reg,
3986 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
3987 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
3988 gen_compile_unit_die, dwarf2out_init): Constify a char*.
3990 * dwarf2out.h (dwarf2out_init): Likewise.
3992 * dwarfout.c (filename_entry, primary_filename, last_filename,
3993 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
3995 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
3996 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
3997 dwarf2out_return_reg): Likewise.
3999 2000-04-26 Andreas Jaeger <aj@suse.de>
4001 * extend.texi (Function Attributes): Fix description of pure
4004 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4006 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
4007 before calling rest_of_compilation.
4009 2000-04-26 Andreas Jaeger <aj@suse.de>
4011 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
4014 2000-04-25 Richard Henderson <rth@cygnus.com>
4016 * cse.c (cse_insn): Emit barrier after unconditional jump.
4018 * calls.c (expand_call): Disable tail call generation once
4019 rtx_equal_function_value_matters is false.
4021 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
4024 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
4026 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
4028 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
4030 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
4031 is the primary DIE for a member function.
4032 (gen_decl_die): Call set_decl_origin_self here.
4033 * dwarfout.c (output_decl): And here.
4034 * integrate.c (output_inline_function): Not here.
4035 Don't clear DECL_INLINE until after calling rest_of_compilation.
4036 (set_decl_origin_self): No longer static.
4037 * tree.h: Add prototype.
4038 * toplev.c (note_deferral_of_defined_inline_function): Only write
4039 out abstract instance for actual inlines.
4041 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
4043 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
4044 EXTENDED_REGS only if TARGET_AM33.
4045 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
4046 SP_REGS to register allocation and reloading unless absolutely
4048 (movsi3): Remove special-case of adding non-constants to SP.
4050 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4052 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
4053 INCLUDES to search and does not provide any of its own. Also it
4054 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
4055 parameters. Also it does not call AC_DEFINE.
4056 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
4057 AC_DEFINE and provides for automatic entries for autoheader.
4058 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
4060 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
4061 so we can pass -I flags and include gansidecl.h/system.h in this
4064 * acconfig.h: Delete all NEED_DECLARATION_* entries.
4066 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4068 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4069 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4070 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
4072 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4073 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4074 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
4075 for these macros. Clean up spacing and linewraps.
4077 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4079 * calls.c (expand_call): Use get_callee_fndecl.
4081 * print-tree.c (print_node): Print the chain of an _EXPR.
4083 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
4084 Jim Wilson <wilson@cygnus.com>
4085 Andrew Haley <aph@cygnus.com>
4087 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
4088 and gp save/restore problems.
4089 * config/ia64/crtend.asm: Add IA-64 unwind support.
4090 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
4091 in fr_pad_size calculation.
4092 (save_restore_insns): Move PR save area. Correct uses of
4093 RTX_FRAME_RELATED_P.
4094 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
4095 (ia64_expand_epilogue): Add eh_epilogue support.
4096 (ia64_function_prologue): Emit .prologue directive.
4097 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
4098 (ia64_override_options): Set init_machine_status and
4099 mark_machine_status.
4100 (rtx_needs_barrier): Handle bsp reads and writes.
4101 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
4102 New static variables.
4103 (process_set, process_for_unwind_directive): New functions.
4104 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
4105 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
4106 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
4108 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
4109 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
4110 (struct machine_function): Define.
4111 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
4113 2000-04-25 Bruce Korb <bkorb@gnu.org>
4115 * fixinc/Makefile.in: make the removal of old programs more
4117 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
4118 install-bin and install-sh
4120 2000-04-25 Nick Clifton <nickc@cygnus.com>
4122 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
4123 defined, define to return zero.
4124 (function_cannot_inline_p): If a function has any target
4125 specific attributes, then use the macro
4126 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
4127 whether it can be inlined. If it cannot, issue a suitable
4130 * tm.texi: Add a new node 'Inlining' to document the new macro
4131 FUNCTION_ATTRIBUTE_INLINABLE_P.
4133 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
4135 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
4138 2000-04-25 Neil Booth <NeilB@earthling.net>
4140 Restore previous patch, plus the following fixes:
4142 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
4143 flags, not CPP_OPEN_PAREN.
4144 * cpplex.c (expand_token_space, init_token_list,
4145 cpp_free_token_list): Put the dummy token at list->tokens[-1].
4146 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
4148 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4150 * config/i386/freebsd.h (INT_ASM_OP): Define.
4152 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
4154 * loop.c (strength_reduce): Fix typo in the last checkin.
4156 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4158 * stor-layout.c (finalize_record_size): Simplify to use existing
4160 (compute_record_mode): No longer static.
4161 * tree.h (compute_record_mode): New declaration.
4163 2000-04-25 Neil Booth <NeilB@earthling.net>
4165 * Revert my patch below until cause of build failures
4168 2000-04-25 Richard Henderson <rth@cygnus.com>
4170 * combine.c (combine_instructions): Add missing argument
4173 * toplev.c (rest_of_compilation): Delay sibcall optimization
4174 until after emit_eh_context.
4176 2000-04-24 Nick Clifton <nickc@redhat.com>
4178 * combine.c (combine_instructions): Do not try to combine a
4179 sequence of insns when the second insn has been replaced by a
4182 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
4184 * gcc.c (load_specs): New static function.
4185 (read_specs): Use it.
4187 * gcc.c (lookup_compiler): Make multiple passes for case
4188 insensitive filesystems.
4190 2000-04-24 Neil Booth <NeilB@earthling.net>
4192 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
4193 * cpphash.h (_cpp_check_directive): new.
4194 * cpplex.c (handle_newline, cpp_free_token_list,
4195 init_trigraph_map, trigraph_ok, trigraph_replace,
4196 backslash_start, skip_block_comment, skip_line_comment,
4197 skip_whitespace, parse_name, parse_number, parse_string,
4198 copy_comment, _cpp_lex_line, spell_char, spell_string,
4199 spell_comment, spell_name, spell_other, _cpp_lex_file,
4200 _cpp_output_list): new.
4201 (expand_name_space): take length argument.
4202 (init_token_list): add comment list initialisation.
4203 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
4204 instead of HSPACE_BEFORE.
4206 * cpplib.c (_cpp_check_directive): new
4207 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
4208 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
4209 (HSPACE_BEFORE): delete.
4210 (TTYPE_TABLE): rearrange.
4211 (struct cpp_toklist): update.
4213 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4215 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
4216 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
4217 argument form of AC_DEFINE.
4219 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
4220 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
4221 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
4222 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
4223 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
4225 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
4227 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4229 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
4230 deduced.h): Use -isystem, not -I, for including system headers.
4232 2000-04-24 Nick Clifton <nickc@cygnus.com>
4234 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
4235 the source register is the frame pointer or arg pointer.
4236 (addsi3_small_int): Disallow if source register is the frame
4237 pointer or arg pointer.
4239 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4241 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
4242 call to AC_MSG_RESULT.
4244 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4246 * invoke.texi: Correct grammatical errors, document
4247 -fno-gnu-keywords as identical to -fno-asm for C++.
4249 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4251 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
4252 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
4253 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
4254 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
4255 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
4257 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
4258 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
4259 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
4260 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
4263 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
4265 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
4266 (pop_alignment): Likewise.
4267 (handle_pragma_token): Likewise.
4269 2000-04-24 Robert Lipe <robertlipe@usa.net>
4271 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
4273 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
4275 * combine.c (try_combine): Update reg_nonzero_bits of
4276 newi2pat before newpat.
4278 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
4280 * loop.c (strength_reduce): Simplify test to INSN_P.
4281 (record_giv): Attempt to simplify the add value, use CONSTANT_P
4282 expressions instead of CONST_INT.
4283 (express_from_1): Likewise.
4285 2000-04-24 Mark Mitchell <mark@codesourcery.com>
4287 * regs.h (reg_n_max): Don't declare.
4288 * flow.c (reg_n_max): Don't define.
4289 * regclass.c (renumber): Don't initialize to zero.
4290 (regno_allocated): Likewise.
4291 (reg_n_max): Define.
4292 (allocate_reg_info): Don't initialize unnecessarily.
4294 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
4296 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
4297 and blockage_p in the newly allocated attribute.
4299 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
4301 * config/mn10300/mn10300.md (addsi): `inc4' on address
4302 registers does not modify cc, but `inc' on an extended
4305 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
4307 * reload.c (find_equiv_reg): Checks all valueno regs
4308 as a reload_reg_p regs.
4310 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4312 * cpphash.c (collect_objlike_expansion): Add sanity check.
4313 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
4314 the buffer is the empty string, return. Mark __DATE__ and
4315 __TIME__ as XCONST nodes, not MCONST.
4316 (_cpp_macroexpand): Avoid pushing an empty buffer.
4317 (funlike_macroexpand): Don't pop token_buffer here.
4319 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
4321 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
4322 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
4323 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
4324 (REGNO_OK_FOR_BASE_P): Define in terms of them.
4325 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
4326 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
4327 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
4329 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4331 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4334 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4336 * cpphash.h (struct definition): Move file, line, col members...
4337 (struct hashnode): ... here. Also add 'disabled' flag.
4338 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4339 T_IDENTITY. Remove T_DISABLED.
4342 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4343 (collect_expansion): Split into collect_objlike_expansion and
4344 collect_funlike_expansion.
4345 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4346 funlike_macroexpand.
4347 (_cpp_compare_defs): Rename compare_defs, make static.
4348 (_cpp_make_hashnode): Initialize hp->disabled.
4349 (macro_cleanup): Adjust for new token types. Clear
4351 (_cpp_create_definition): Move code here to determine what
4352 sort of macro it is, and code to check for redefinitions, from
4353 do_define. Implement a few simple cases without creating a
4355 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4356 Handle the simple cases.
4357 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4360 * cppinit.c (builtin_array): Change MCONST to XCONST
4362 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4363 fix check for disabled and function-like macros.
4364 * cpplib.c (do_define): Move most logic to
4365 _cpp_create_definition.
4366 (do_undef): Handle new special token types.
4368 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4370 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4371 of CONSTANT_P for mult_val; always use validate_change to update insn.
4373 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4375 * cpphash.c (trad_stringify, add_pat): New functions.
4376 (collect_expansion): Restore support for -traditional syntax.
4377 Use trad_stringify and add_pat.
4378 (_cpp_macroexpand): Restore support for -traditional semantics.
4379 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4380 get a COMMENT token.
4381 (_cpp_lex_token): Provide COMMENT tokens to caller if
4382 traditional and parsing_define_directive.
4383 (skip_comment): Warn about // comments if -Wtraditional.
4384 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4386 (do_undef): Don't warn about undefining EMPTY nodes.
4388 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4390 * loop.c (strength_reduce): Fix biv removal code.
4392 2000-04-22 Richard Henderson <rth@cygnus.com>
4394 * predict.c (estimate_probability): Examine both sides of
4395 a branch for no exits. Use 90% not 50% for predict taken.
4396 Reorg for one copy of note generation code.
4398 2000-04-22 Richard Henderson <rth@cygnus.com>
4400 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4402 2000-04-22 Richard Henderson <rth@cygnus.com>
4404 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4405 (output_clear): Likewise.
4406 (output_printf): Use va_copy.
4407 (vline_wrapper_message_with_location): Likewise.
4408 (v_message_with_decl): Likewise.
4409 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4410 * system.h (va_copy): Provide default implementation.
4412 2000-04-22 Richard Henderson <rth@cygnus.com>
4414 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4415 the collected condition is not a constant.
4417 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4419 * diagnostic.h: New file.
4421 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4423 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4424 various function prototypes.
4425 (diagnostic.h): #include.
4426 (struct output_buffer): Move into diagnostic.h.
4427 (get_output_prefix): Rename to output_get_prefix. Export.
4428 (init_output_buffer): Export. Break out. Ajust intialization.
4429 (output_space_left, output_append): Export.
4430 (output_newline): Rename to output_add_newline. Export.
4431 (output_clear): Nullify additional output_buffer fields.
4432 (output_puts): Rename to output_add_string. Export.
4433 (dump_output): Rename to output_flush_on. Export.
4434 (build_location_prefix): Constify return-type.
4435 (emit_output_prefix): Rename to output_emit_prefix. Export.
4436 (set_real_maximum_length): New function.
4437 (output_set_maximum_length): Ditto
4438 (output_clear): Ditto.
4439 (output_add_character): Ditto.
4440 (output_add_integer): Ditto.
4441 (output_add_space): Ditto.
4442 (output_format): Ditto.
4443 (output_printf): Adjust buffer initialization.
4444 (vline_wrapper_message_with_location): Ditto.
4445 (v_message_with_decl): Ditto. Adjust call to output_puts
4446 and get_output_prefix.
4447 (default_print_error_function): Adjust buffer intialization.
4449 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4451 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4454 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4456 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4459 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4461 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4462 accurate data about SP moves.
4464 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4466 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4467 aliases to AM33 registers.
4469 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4471 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4472 to all EXTENDED bitmaps.
4474 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4476 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4477 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4478 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4480 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4482 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4483 the operand is not constant.
4485 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4487 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4488 as a call-clobbered regs.
4490 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4492 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4494 * rtl.def: Update comment.
4495 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4496 * integrate.c (expand_inline_function): Likewise.
4497 * profile.c (branch_prob): Likewise.
4498 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4499 * print-rtl.c (print_rtx): Likewise.
4500 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4501 (reemit_notes): Likewise; also use enum insn_note.
4503 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4504 (place_field): Properly compute know and actual alignment.
4506 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4509 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4512 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4514 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4515 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4516 (collect_expansion): Rewrite to scan over a token list.
4517 Remove -traditional support.
4518 (collect_formal_parameters): Rename to collect_params; rewrite
4519 to scan over a token list.
4520 (_cpp_create_definition): Adjust to scan a token list.
4521 (_cpp_macroexpand): Remove -traditional support.
4522 (_cpp_compare_defs): Whitespace is now canonicalized.
4523 (comp_def_part): Delete function.
4525 * cpphash.h: Update prototypes.
4526 * cpplex.c (init_token_list): Don't set lineno if there is no
4528 (pedantic_whitespace): New function.
4529 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4530 consume a newline. Use pedantic_whitespace.
4531 (_cpp_lex_token): Remove support for -traditional macros.
4532 (_cpp_get_define_token): Delete.
4533 (_cpp_get_directive_token): Do the real work here. Use
4534 pedantic_whitespace.
4535 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4537 * cpplib.c (get_macro_name): Delete.
4538 (do_define): Read the entire line into pfile->directbuf, then
4539 feed the token list to _cpp_create_definition.
4540 * cpplib.h (HSPACE_BEFORE): new define.
4541 (struct cpp_reader): Add a toklist member, "directbuf".
4543 * predict.c (estimate_probability): New heuristic: if a jump
4544 branches around a block with no successors, predict it taken.
4545 Disentangle control flow.
4547 2000-04-20 Richard Henderson <rth@cygnus.com>
4549 * loop.c (emit_iv_add_mult): Revert last change.
4551 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4553 * cpplib.h (enum cpp_ttype): Add token types for all
4554 punctuators. Distinguish pp-numbers from valid C numbers.
4555 Give some tokens better names. Initialize from macro.
4556 (struct cpp_name, cpp_token, cpp_toklist): New data
4559 * cpplex.c (bump_column, expand_name_space,
4560 expand_token_space, init_token_list, cpp_output_list,
4561 _cpp_scan_line): New functions.
4562 (output_line_command): Add third argument, new line number.
4563 * cpphash.h: Update prototypes.
4564 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4567 2000-04-20 Richard Henderson <rth@cygnus.com>
4569 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4571 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4573 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4576 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4578 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4579 REG_EQUAL note explaining the calculated value.
4581 * calls.c (expand_call): Avoid unnecesary precalculation
4582 and outgoing parameters space guarding for sibling calls.
4583 (store_one_arg): Likewise.
4585 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4587 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4588 (rest_of_compilation): Write sibling dump file and account
4589 for time as jump time.
4590 * invoke.texi: Update documentation on dump flags.
4592 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4594 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4596 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4598 * cpphash.c (special_symbol): Represent an empty macro with
4599 "\r \r " not just "\r ".
4600 (_cpp_macroexpand): Correct condition for the foo ( ) special
4602 (unsafe_chars): Handle EOF as second argument.
4603 (push_macro_expansion): Simplify test for removing escape at
4604 end. Do not trim both escapes if there is no text in between.
4606 2000-04-19 Jim Blandy <jimb@redhat.com>
4608 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4609 of PTR_SIZE, when appropriate.
4611 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4613 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4614 (USE_ENUM_BITFIELDS): Fix typo.
4616 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4618 * stor-layout.c (place_field): Set rli->offset_align properly.
4620 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4622 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4623 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4624 PARM_BOUNDARY): Remove unnecessary casts.
4626 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4628 * calls.c (precompute_arguments): Remove must_preallocate and
4630 (expand_call): Update call of precompute_arguments.
4632 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4633 check_insn_for_givs): Break out from ...
4634 (strength_reduce) ... here; use for_every_insn_in_loop to call
4635 check_insn_for_givs.
4636 * loop.h (for_every_insn_in_loop): Declare.
4637 (loop_insn_callback): New type.
4639 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4641 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4644 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4646 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4649 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4651 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4653 * configure.in: Delete --disable-cpplib option and all
4654 references to cpp_main.
4655 * configure: Regenerate.
4656 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4657 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4658 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4659 cpp$(exeext). Add --no-headers to makeinfo command line when
4660 generating INSTALL. Install and uninstall cpp.1 manpage, not
4662 * install.texi: Delete all references to cexp.y/cexp.c.
4663 Delete ancient instructions for compiling GCC on 3b1.
4664 * INSTALL: Regenerate.
4666 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4667 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4668 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4670 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4671 which is no longer tested anywhere.
4673 * cppinit.c (handle_option): Don't run error message through
4676 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4678 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4679 * cpperror.c (hashtab.h): Now include.
4680 * cppexp.c (hashtab.h): Likewise.
4681 * cpplex.c (hashtab.h): Likewise.
4682 * cppfiles.c (hashtab.h): Likewise.
4683 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4684 to htab_find_slot_with_hash.
4685 * cpphash.c (hashtab.h): Now include.
4686 (_cpp_lookup_slot): INSERT is now enum insert_option.
4687 * cpphash.h (_cpp_lookup_slot): Likewise.
4688 * cppinit.c (hashtab.h): Include earlier.
4689 (initialize_builtins): Pass enum to htab_find_slot.
4690 * cpplib.c (hashtab.h): Now include.
4691 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4692 (do_pragma_poison, do_assert): Likewise.
4693 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4694 htab_find_slot_with_hash.
4695 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4696 * tree.c (type_hash_add): Likewise.
4697 (build1): Minor cleanup.
4699 * ggc-common.c: Add missing blanks.
4700 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4701 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4703 * stmt.c (mark_case_node): New function.
4704 (mark_case_nesting): Call it.
4706 * expmed.c (emit_store_flag): If comparing two-word integer
4707 with zero, can optimize NE, EQ, GE, and LT.
4709 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4710 * conflict.c: Minor cleanups.
4711 * optabs.c: Add blank line
4712 * simplify-rtx.c: Minor cleanups.
4714 2000-04-18 Stan Cox <scox@cygnus.com>
4716 * gengenrtl.c (genlegend): Fix misspelling.
4718 2000-04-18 Robert Lipe <robertlipe@usa.net>
4720 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4721 bitfields of the host compiler are not signed quantities.
4722 * config.in: Regenerate.
4723 * configure: Regenerate.
4724 * system.h (USE_ENUM_BITFIELDS): Added.
4725 (ENUM_BITFIELDS): Added.
4726 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4727 (SHORT_ENUM_BUG): Deleted.
4728 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4730 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4731 (CODE_FIELD_BUG): Likewise.
4732 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4734 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4736 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4738 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4741 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4743 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4744 * cpplib.c (do_include, do_import, do_include_next,
4745 read_line_number, detect_if_not_defined): Likewise.
4746 * cpphash.c (collect_expansion): Likewise.
4747 (special_symbol, _cpp_macroexpand): Check return from
4749 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4750 macros. Delete all uses.
4752 * gcc.dg/cpp-mi.c: Add two more test cases.
4753 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4755 2000-04-17 Richard Henderson <rth@cygnus.com>
4757 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4758 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4760 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4762 * function.c (expand_function_start): Use hard_function_value to
4763 compute the RTL to use for DECL_RESULT.
4765 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4767 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4768 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4769 x86_memory_mismatch_stall): New global variables.
4770 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4771 alloved; fix load penalties for Athlon.
4772 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4773 x86_memory_mismatch_stall): Declare.
4774 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4775 TARGET_MEMORY_MISMATCH_STALL): New.
4776 * i386.md (athlon scheduling parameters): Fix latencies according to
4777 Athlon Optimization Manual.
4778 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
4780 (fsqrt instruction patterns): Set athlon_decode to direct.
4781 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
4782 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
4783 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
4784 and TARGET_PARTIAL_REGISTER_STALL machines.
4785 (pushdf_nointeger): New pattern.
4786 (pushdf_integer): Rename from pushdf.
4787 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
4788 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
4790 2000-04-17 Richard Henderson <rth@cygnus.com>
4792 * loop.c (canonicalize_condition): Add WANT_REG argument.
4793 Stop the search if we match it.
4794 * expr.h (canonicalize_condition): Update decl.
4795 * predict.c (expected_value_to_br_prob): Use it. Track last
4796 expected value note.
4797 (find_expected_value): Remove.
4799 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
4801 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4803 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4804 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
4806 * configure.in: Call AC_FUNC_MMAP_FILE.
4807 * configure: Regenerate.
4808 * config.in: Regenerate.
4810 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
4811 * fixinc/fixincl.c: Likewise.
4813 2000-04-17 Richard Henderson <rth@cygnus.com>
4815 * builtins.c (expand_builtin_expect): New.
4816 (expand_builtin): Call it.
4817 * builtins.def (BUILT_IN_EXPECT): New.
4818 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
4819 * extend.texi: Document it.
4821 * predict.c (expected_value_to_br_prob): New.
4822 (find_expected_value): New.
4823 * basic-block.h (expected_value_to_br_prob): Declare.
4824 * toplev.c (rest_of_compilation): Invoke it.
4826 * rtl.h (NOTE_EXPECTED_VALUE): New.
4827 (NOTE_INSN_EXPECTED_VALUE): New.
4828 * rtl.c (note_insn_name): Update.
4829 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
4830 cases; handle NOTE_INSN_EXPECTED_VALUE.
4832 2000-04-17 Jakub Jelinek <jakub@redhat.com>
4834 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
4835 leaf sibcall delay slot if flag_pic.
4836 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
4838 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4840 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
4842 * fixproto: If fix-header fails, exit with an error.
4844 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4846 * cse.c (struct check_depdendence_data): New.
4847 (check_dependence): New function.
4848 (invalidate): Use check_depdenence.
4850 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4852 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
4853 UNITS_PER_WORD is unsigned.
4855 * tree.h (struct tree_common): Remove misleading comment.
4857 2000-04-16 Dave Pitts <dpitts@cozx.com>
4859 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
4860 message in quotes. Otherwise, IBM's make program treats the '#' as the
4861 start of a comment and ignores the remainder of the line.
4863 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
4865 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
4866 * cexp.y (initialize_random_junk): Likewise.
4867 * cppfiles.c (find_include_file): Cast alloca return value.
4868 * cppinit.c (initialize_standard_includes): Likewise.
4869 * cpplib.c (cpp_define, cpp_undef): Likewise.
4870 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
4871 * final.c (output_asm_insn): Allow for holes in EBCDIC.
4872 * fold-const.c (CHARMASK): New.
4873 (real_hex_to_f): Use it.
4874 * real.c (CHARMASK): New.
4875 (etoasc, asctoeg): Use it.
4876 (asctoeg): EBCDIC lower case characters preceed upper case.
4878 * i370.c (mvs_add_label): Change spacing for coding conventions.
4879 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
4880 outputing case vectors.
4881 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
4882 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
4883 since vector in in the data CSECT.
4884 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
4885 * i370.md (Many patterns): Put the length in the XL directives.
4886 (movdi): Put back STM and MVC in definition.
4887 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
4888 pattern using the TCA.
4889 * oe.h (CPP_SPEC): Added to allow trigraphs.
4890 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
4891 not support the "long long" type.
4893 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4895 * config/mips/mips-protos.h (mips_legitimate_address_p): New
4897 (mips_reg_mode_ok_for_base_p): Likewise.
4898 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
4899 (REG_OK_FOR_INDEX_P): Define unconditionally.
4900 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
4901 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
4902 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
4903 that GET_MODE_SIZE is unsigned.
4904 (mips_reg_mode_ok_for_base_p): Define.
4905 (mips_legitimate_address_p): Likewise. Adjust now
4906 that GET_MODE_SIZE is unsigned.
4907 (block_move_loop): Make the number of bytes unsigned.
4908 (expand_block_move): Likewise.
4909 (function_arg): Make the loop counter unsigned to match the
4912 2000-04-16 Richard Henderson <rth@cygnus.com>
4914 * rtl.h (enum insn_note): New enumeration. Subsume
4915 NOTE_INSN_DELETED and friends.
4916 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
4917 * rtl.c (note_insn_name): Tweak string order.
4919 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
4921 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
4924 * cpplex.c (output_line_command): Remove debugging prints.
4925 (cpp_output_tokens): Don't write out a zero-length buffer or
4926 try to see if it has a newline in it.
4927 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
4928 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
4929 the end of the loop. Use memmove. Don't read past the end of
4930 the buffer. Remove trailing newlines from error messages.
4932 2004-04-16 Neil Booth <NeilB@earthling.net>
4934 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
4935 * cpplib.c: Add new syntax flags to directive table, and
4938 2000-04-15 Ulrich Drepper <drepper@redhat.com>
4940 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
4943 2000-04-15 David Edelsohn <edelsohn@gnu.org>
4945 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
4946 * haifa-sched.c: Update -fsched-verbose comments to use "=".
4948 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4950 * Makefile.in (ggc-page.o): Now includes toplev.h.
4951 * ggc-page.c (toplev.h): Now included.
4952 (gc_time): Remove declaration.
4953 (ggc_collect): TIME now long.
4954 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
4956 * toplev.h (gc_time, parse_time, gc_time): New declarations.
4958 * toplev.c: Make *_time variable long to reduce chance of overflow.
4959 (TIMEVAR): Likewise for `otime'.
4960 (print_time): Arg is now long; compute percentage in FP and round.
4961 * toplev.h (print_time): Arg is long.
4963 * tree.c: Minor whitespace changes.
4965 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
4966 * configure: Rebuilt.
4967 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
4968 (__fixunsxfDI): Renamed from __fixunsxfdi.
4969 (__fixunsdfDI): Renamed from __fixunsdfdi.
4970 (__fixunssfDI): Renamed from __fixunssfdi.
4971 (__floatdisf): Use proper type in REP_BIT macro.
4972 (__fixunsxfSI): Renamed from __fixunsxfsi.
4973 (__fixunsdfSI): Renamed from __fixunsdfsi.
4974 (__fixunssfSI): Renamed from __fixunssfsi.
4975 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
4976 Change location of macros and upper-case some names as above.
4977 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
4978 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
4980 * varasm.c (assemble_variable): Add cast to remove warning.
4981 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
4983 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
4984 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
4985 region number to -1.
4987 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
4989 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
4990 call unshare_all_rtl.
4992 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
4994 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
4996 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
4997 Use .s1 not .s0 for all FP instructions.
4999 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
5001 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
5003 (safe_fwrite, output_line_command): New static functions.
5004 (cpp_expand_to_buffer): Now private to cpplib.
5005 (cpp_scan_buffer): Take a printer.
5007 * cpphash.h: Update prototypes.
5008 * cpplib.h: Update prototypes.
5010 (cpp_buffer): Remove last_nominal_fname.
5011 (cpp_reader): Remove lineno.
5013 * cppmain.c: Use a cpp_printer.
5014 * fix-header.c: No need to inhibit line commands. Call
5015 cpp_start_read with no printer.
5017 * cpperror.c (cpp_notice_from_errno): Provide default name.
5018 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
5019 (find_include_file, cpp_read_file): Use make_IHASH.
5020 (file_cleanup): Set control_macro and clear
5021 input_stack_listing_current here.
5022 (_cpp_execute_include): Don't output entering-file marker.
5023 * cpphash.c (special_symbol): Look for the line number in the
5024 buffer, not the reader.
5025 (_cpp_macroexpand): No need to disable line commands.
5026 (_cpp_dump_definition): No need to generate line commands.
5027 (dump_hash_helper): Remove excess newline from output.
5028 * cppinit.c (dump_special_to_buffer): No need to generate line
5030 (cpp_printer_init): New.
5031 (cpp_start_read): Take a printer, and start it up if it's not
5032 NULL. No need to generate line commands.
5033 (cpp_finish): Expect no buffers stacked at all. Take a
5034 printer argument, and flush the output buffer if it's not
5036 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
5037 Don't put two hashes at the beginning of an assertion.
5038 (cpp_get_token): Don't increment pfile->lineno or emit line
5039 commands here. Return EOF if there's no buffer when we get
5041 * cpplib.c (do_define, skip_if_group):
5042 No need to disable line commands.
5043 (_cpp_output_line_command): Delete function.
5044 (do_line): Don't emit line commands here, but set things up so
5045 they will be emitted if necessary. Use _cpp_fake_ihash to
5046 make unique nominal_fnames if necessary.
5047 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
5048 with 0 for column, not -1.
5049 (_cpp_handle_eof): Don't set the control macro here. Don't
5050 clear input_stack_listing_current here. Don't emit line
5053 2000-04-14 Geoff Keating <geoffk@cygnus.com>
5055 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
5056 always, use the default SVR4 start address.
5058 * config/rs6000/linux.h (LINK_SPEC): Don't define.
5059 (LINK_SHLIB_SPEC): Define.
5060 (LINK_START_DEFAULT_SPEC): Define.
5061 (LINK_OS_DEFAULT_SPEC): Define.
5063 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
5065 * config/rs6000/eabi.asm (__eabi): Call __init rather than
5066 __do_global_ctors to handle constructors.
5067 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
5068 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
5069 (STARTFILE_MVME_SPEC): Likewise.
5070 (STARTFILE_SIM_SPEC): Likewise.
5071 (ENDFILE_ADS_SPEC): Use crtend.
5072 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
5073 (ENDFILE_MVME_SPEC): Likewise.
5074 (ENDFILE_SIM_SPEC): Likewise.
5075 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
5076 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
5077 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
5078 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
5079 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
5080 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
5081 (CRTSTUFF_T_CFLAGS_S): Define.
5082 * config/rs6000/eabi-ctors.c: Delete.
5084 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
5087 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
5091 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
5093 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
5094 plus mask size is smaller or equal to the mode size.
5096 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5098 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
5101 * expr.c (reload.h): Now included.
5102 (emit_block_move): Set volatile_ok when checking for movstr.
5103 (emit_move_1): Check for replacements in addresses in multi-word case.
5104 * Makefile.in (expr.o): Now includes reload.h.
5106 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
5107 Never have a LIBCALL end a basic block.
5108 (find_basic_blocks_1): Likewise.
5109 Reorganize CALL_INSN cases.
5111 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
5113 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
5115 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
5116 completers from mov.ret instruction.
5118 2000-04-14 Richard Henderson <rth@cygnus.com>
5120 * fold-const.c (extract_muldiv): Don't distribute and widen
5121 multiply across plus for non-sizetype unsigned types.
5123 2000-04-14 Richard Henderson <rth@cygnus.com>
5125 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
5126 If the original source is dead in the incr insn, it's dead now.
5128 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5130 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
5131 see if DECL_BIT_FIELD needs to still be set.
5133 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
5135 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
5136 print_int_cst_octal with something that's not an INTEGER_CST.
5138 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
5139 and not a SUBREG to a FLOAT rtl.
5141 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
5143 * emit-rtl.c (try_split): Avoid infinite loop if the split
5144 results in a sequence that contains the original insn.
5146 2000-04-13 Andreas Jaeger <aj@suse.de>
5148 * config/mips/mips.c (expand_block_move): Pass alignment
5149 argument to move_by_pieces in bits, not bytes.
5151 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
5152 __pic__ for little endian.
5154 2000-04-13 Andreas Jaeger <aj@suse.de>
5156 * config/i386/i386-protos.h: Add prototype for
5157 uno_comparison_operator.
5159 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5161 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
5162 * calls.c (ECF_PURE): New flag.
5163 (emit_call_1): Handle ECF_PURE calls.
5164 (initialize_argument_information): Unset ECF_PURE flag too.
5165 (precompute_arguments): Precompute for ECF_PURE too.
5166 (expand_call): Handle ECF_PURE calls too.
5167 (emit_library_call_value_1): Rename no_queue argument to fn_type,
5168 accept value of 2 as pure function.
5169 (emit_library_call_value, emit_library_call): Rename no_queue argument
5171 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
5173 * tree.h (DECL_IS_PURE): New macro.
5174 (struct tree_decl): Add pure_flag.
5175 * c-common.c (enum attrs): Add attribute "pure".
5176 (init_attributes): Initialize attribute "pure"
5177 (decl_attributes): Handle attribute "pure".
5178 * extend.texi (Attribute "pure"): Document.
5179 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
5181 (flags_from_decl_or_type): Support attribute "pure".
5183 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
5185 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
5186 the token except for numbers and identifiers.
5188 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
5190 * i386.c (ix86_expand_binary_operator,
5191 ix86_expand_unary_operator): Check no_new_pseudos
5192 instead of reload_in_progress and reload_completed.
5193 (ix86_split_ashldi, ix86_split_ashrdi,
5194 ix86_split_lshrdi): Check no_new_pseudos instead
5195 of reload_completed.
5197 2000-04-12 Jeffrey A Law (law@cygnus.com)
5199 * function.c (purge_addressof): Unshare any shared rtl created by
5200 purge_addressof and its children.
5202 2000-04-12 Mark Mitchell <mark@codesourcery.com>
5204 * function.c (aggregate_value_p): VOID_TYPE nodes are never
5207 2000-04-05 Andreas Jaeger <aj@suse.de>
5209 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
5210 not compiling PIC code, add flags for mabi=64.
5211 (SUBTARGET_CPP_SIZE_SPEC): New.
5212 (SUBTARGET_CPP_SPEC): New.
5213 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
5214 for MIPS/Linux and lots of code needs these defines.
5216 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
5218 * reorg.c (fill_slots_from_thread): Check side_effects_p when
5219 trying the "opposite arithmetic" approach.
5221 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5223 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
5224 (struct sh_args): Add new field force_mem.
5225 (INIT_CUMULATIVE_ARGS): Initialize it.
5226 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
5228 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5230 * calls.c (expand_call): Do not reverse args in "equal from" field.
5231 (emit_library_call_value_1): Emit_libcall_block for const and pure
5234 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5236 * reload1.c (reload_combine): Don't enable optimization for fixed
5237 registers when encountering a BARRIER.
5239 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
5241 * builtins.c (expand_builtin_memcmp): Do expansion even with
5242 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
5244 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
5245 stack is propertly aligned; add sanity checking for aligned
5247 (expand_library_call_value_1): Add sanity checking for aligned
5250 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
5252 * calls.c (emit_library_call_value_1): Change 3rd arg to
5253 locate_and_pad_parm to disregard the setting of partial.
5255 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5257 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
5259 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
5260 CALL_INSN from the normal case.
5262 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
5264 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5265 New global variables.
5266 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
5268 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5270 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
5271 TARGET_ADD_ESP_8): New macros.
5272 * i386.md: Add peep2s to convert esp adjustments to push and pop
5274 (pushsi_prologue, popsi_epilogue): New patterns.
5276 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5278 * real.c (toe64): Remove stale #endif from the last change.
5280 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
5282 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
5283 * real.c (toe64): Revert previous change.
5285 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5287 * objc/objc-act.c: Include ggc.h.
5288 (objc_tree_index, objc_global_trees): Convert most of the
5289 static tree variables into a static array with previous names
5291 (objc_ellipsis_node): New variable.
5292 (lang_init): Call objc_act_parse_init and c_parse_init.
5293 Create objc_ellipsis_node.
5294 (build_selector_translation_table): Use objc_ellipsis_node instead
5296 (hack_method_prototype): Likewise.
5297 (get_arg_type_list): Likewise.
5298 (start_method_def): Likewise.
5299 (continue_method_def): Likewise.
5300 (gen_method_decl): Likewise.
5301 (ggc_mark_imp_list): New function.
5302 (ggc_mark_hash_table): New function.
5303 (objc_act_parse_init): New function.
5304 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
5305 * c-parse.in (c_parse_init): For objc add roots of objc specific
5306 local tree variables.
5307 * objc/objc-parse.y: Rebuilt.
5308 * objc/objc-parse.c: Rebuilt.
5309 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
5311 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
5313 * cse.c (delete_trivially_dead_insns): Also delete insns
5314 that copy a register to itself where the destination is
5317 2000-04-11 Richard Henderson <rth@cygnus.com>
5319 * flow.c (struct propagate_block_info): Add new_dead, new_live.
5320 (propagate_block): Initialize them. Use them in parallel instead
5321 of one tmp variable, ie revert much of the 0408 and 0407 functional
5322 changes, but keep the structural changes.
5323 (mark_set_regs): Take new_dead from propagate_block_info instead.
5324 (mark_set_1, mark_set_reg): Likewise.
5325 (mark_used_regs): Likewise with new_live.
5326 (mark_used_reg): Likewise. Revert 0408 change.
5328 2000-04-11 Nick Clifton <nickc@cygnus.com>
5330 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
5332 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5334 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5336 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5337 const section to output a CONSTRUCTOR based on the same conditions
5340 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5342 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5343 * pa/pa-protos.h (output_call): Add additional argument indicating
5344 if the call is a sibling/tail call.
5345 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5346 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5347 (function_arg, function_arg_partial_nregs): Likewise
5348 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5349 (emit_move_sequence): Zero extend certain constants as needed
5351 (compute_zdepdi_operands, output_64bit_and): New functions.
5352 (output_64bit_ior, function_arg): Likewise.
5353 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5354 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5355 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5356 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5357 (output_bvb): Likewise.
5358 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5359 (output_call): New argument 'sibcall'. Generate sibcall sequences
5361 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5362 (ouput_arg_descriptor): Do not emit argument descriptors for
5364 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5366 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5367 (FUNCTION_OK_FOR_SIBALL): Define.
5368 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5369 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5370 (CPP_SPEC): Use new spec infrastructure.
5371 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5372 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5373 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5374 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5375 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5376 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5377 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5378 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5379 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5380 (FUNCTION_ARG); Call out to C code.
5381 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5382 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5383 (MIN_UNITS_PER_WORD): Likewise.
5384 * pa/pa.md (cmpdi): New expander.
5385 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5386 (64bit conditional arithmetic): New patterns.
5387 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5388 (movsicc): Not available if modes on all the operands to not match.
5389 (movdicc): New expander and associated patterns.
5390 (64bit branches): New patterns.
5391 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5392 (pre_ldd, post_std): New patterns.
5393 (64bit addil, load low part): New patterns.
5394 (special movsf constant): Not available for TARGET_64BIT.
5395 (movsf, movdf expanders): Force constants into memory.
5396 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5397 (64bit movdf/movdi patterns): New patterns.
5398 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5400 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5401 (adddi3 expander): Allow "arith_operand" for second input.
5402 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5403 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5404 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5405 (muldi3): New expander for TARGET_64BIT.
5406 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5408 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5409 patterns for TARGET_64BIT.
5410 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5411 patterns for TARGET_64BIT.
5412 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5413 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5414 (sibcall_epilogue): New expander.
5415 (casesi): Tweak for TARGET_64BIT.
5416 (call expanders): Set & use the outgoing argument pointer. Use the
5417 64bit call patterns as needed. Add additional arg to output_call.
5418 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5419 (sibcall, sibcall_internal_symref): New expanders.
5420 (sibcall_value, sibcall_value_internal_symref
5421 (interspace_jump): Turn into an expander + matching patterns.
5422 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5423 * pa/pa64-regs.h: Eliminate trigraph sequences.
5424 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5426 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5428 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5429 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5430 cpp_token with cpp_ttype everywhere.
5431 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5432 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5433 CPP_BUF_COL. Line and column numbers are unsigned int, not
5435 * cpplex.c (cpp_buf_line_and_col): Delete.
5436 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5437 'long lineno' to 'unsigned int lineno'.
5438 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5440 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5442 * extend.texi: ISO C99 is not a draft anymore.
5443 * invoke.texi: ISO C++ is not a draft anymore.
5444 * cpp.texi: __cplusplus is required by the ISO standard.
5446 * extend.texi (-fthis-is-variable): Undocument.
5447 * flags.h (warn_template_debugging): Remove declaration.
5448 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5449 -Wenum-clash, -Wtemplate-debugging): Undocument.
5451 2000-04-10 Nick Clifton <nickc@cygnus.com>
5453 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5455 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5457 (ARM_SIGN_EXTEND): Use HOST_UINT.
5458 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5459 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5460 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5461 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5463 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5464 (arm_gen_constant): Use HOST_UINT.
5465 (arm_canonicalize_constant): Use HOST_UINT.
5466 (arm_reload_in_hi): Use HOST_UINT.
5467 (arm_reload_out_hi): Use HOST_UINT.
5468 (output_multi_immediate): Use HOST_UINT.
5469 (int_log2): Use HOST_UINT.
5470 (arm_poke_function_name): Use HOST_UINT.
5471 (arm_output_epilogue): Use arm_volatile_func().
5472 (output_thumb_prologue): Use arm_strip_name_encoding().
5474 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5476 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5477 of sequence point problems.
5479 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5481 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5483 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5485 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5487 * sbitmap.h: Whitespace changes and use upper-case macro args.
5488 (struct simple_bitmap_def): All sizes now unsigned.
5489 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5490 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5491 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5492 (sbitmap_zero): Cast bzero arg to PTR.
5493 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5494 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5495 loop to make structure clearer.
5496 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5497 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5498 (sbitmap_a_and_b_or_c): Likewise.
5499 (sbitmap_intersection_of_succs): Minor cleanups.
5500 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5501 (sbitmap_union_of_preds): Likewise.
5502 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5503 (debug_sbitmap): New function.
5505 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5506 * c-typeck.c (convert_for_assignment): Likewise.
5508 * expmed.c (init_expmed): Don't free objects we make.
5509 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5511 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5512 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5514 * gcse.c (expr_hash_table_size): Now unsigned.
5515 (compute_ae_gen): Local variable `i' now unsigned.
5516 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5517 (compute_transout, hoist_code): Likewise.
5518 (compute_local_properties): Likewise, also hash_table_size.
5519 (alloc_expr_hash_table): N_INSNS now unsigned.
5520 (delete_null_pointer_checks): Mark arg F as unused.
5522 * regrename.c: Minor cleanups, including chang some variables
5525 2000-04-10 Neil Booth <NeilB@earthling.net>
5527 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5529 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5531 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5533 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5534 __classof__, and __headof__ from the list of gnu keywords.
5535 (-ansi): Remove -foperator-names from list of implied options.
5536 Do not call it ANSI C++.
5537 (-foperator-names): Document as -fno-operator-names.
5539 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5541 * cpphash.c (timestamp): Delete.
5542 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5543 (special_symbol): Remove unnecessary braces. Remove
5544 T_VERSION. Treat T_STDC like T_CONST unless
5545 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5546 when one is encountered, then convert them into T_MCONST
5548 * cppinit.c (builtin_array): version_string is T_MCONST.
5549 __STDC__ has a "1" in its cpval. Don't have a terminator
5550 entry. Clean up which entries are dumped.
5551 (initialize_builtins): Only __STDC__ gets the special
5552 -traditional treatment. Count the length of builtin_array.
5553 Render version_string here.
5554 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5555 * cpplib.h (struct cpp_reader): Remove timebuf.
5557 2000-04-09 Richard Henderson <rth@cygnus.com>
5559 * genrecog.c (pred): Update comparison_operator for the unordered
5562 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5564 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5565 (uno_comparison_operator): New.
5566 (put_condition_code): Handle UNORDERED/ORDERED.
5567 (unsigned_comparison): Likewise.
5568 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5569 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5570 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5571 update all callers. Handle all 8 unordered operators.
5572 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5573 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5574 * config/i386/i386.h (PREDICATE_CODES): Update.
5575 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5576 (ix86_expand_branch, ix86_expand_setcc): Update.
5577 * config/i386/i386.md (sunordered, sordered): New.
5578 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5579 (bunordered, bordered): New.
5580 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5581 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5582 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5584 2000-04-09 Philip Blundell <philb@gnu.org>
5586 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5588 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5590 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5591 fix_truncxfhi2): New patterns.
5592 * i386.c (output_fix_trunc): Handle converting to HImode.
5594 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5596 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5598 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5599 (for_each_successor_phi): Change parameter to basic_block.
5600 (coalesce_regs_in_successor_phi_nodes): Likewise.
5601 (coalesce_regs_in_copies): Likewise.
5602 (compute_coalesced_reg_partition): Use basic_block instead of index.
5603 * rtl.h (convert_to_ssa): Delete.
5604 (convert_from_ssa): Likewise.
5605 (successor_phi_fn): Likewise.
5606 (for_each_successor_phi): Likewise.
5607 (in_ssa_form): Likewise.
5608 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5609 (convert_from_ssa): Likewise.
5610 (successor_phi_fn): Likewise.
5611 (in_ssa_form): Likewise.
5612 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5613 * flow.c (calculate_global_regs_live): Pass a basic_block to
5614 for_each_successor_phi.
5616 2000-04-08 Richard Henderson <rth@cygnus.com>
5618 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5619 was modified in the current insn.
5621 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5623 * arm/thumb.md: Delete.
5624 * arm/thumb-protos.h: Delete.
5626 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5628 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5630 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5632 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5635 * arm.md (nop): Use the standard RTL expression. Don't code as a
5637 (*arm_nop, *thumb_nop): Delete.
5639 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5640 constants. Use casts instead.
5641 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5642 output_multi_immediate, arm_poke_function_name): Likewise.
5643 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5644 MASK_RETURN_ADDDR): Likewise.
5646 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5648 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5651 * arm.md (eh_epilogue): New function.
5652 * arm.h (struct machine_function): Move to here ...
5653 * arm.c: ... from here.
5654 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5655 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5656 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5658 2000-03-30 Nick Clifton <nickc@cygnus.com>
5660 * config/arm/semi.h (ASM_SPEC): Restore definition.
5661 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5663 * config/arm/elf.h (ASM_SPEC): Restore definition.
5664 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5666 * config/arm/arm.h (ASM_SPEC): Remove definition.
5667 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5669 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5671 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5673 2000-03-24 Nick Clifton <nickc@cygnus.com>
5675 Various formating tidyups, elimination of compile time
5676 warnings and synchronisation with internal sources:
5678 * config/arm/arm-protos.h (assemble_align): Add prototype.
5679 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5680 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5681 (arm_return_addr_rtx): Rename to arm_return_addr.
5683 * config/arm/arm.c: Include except.h.
5684 Define shorter typenames for strict minipool_node and struct
5686 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5688 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5689 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5691 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5693 (ASM_SPEC): Define if not already defined.
5694 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5696 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5697 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5698 arm_gen_compare_reg.
5699 (indirect_jump): Only accept register operands.
5700 (load_indirect_jump): Keep this pattern since combine can generate
5703 * config/arm/coff.h: Include aout.h.
5704 (MULTILIB_DEFAULTS): Only define if not already defined.
5706 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5707 into arm.h (so that COFF ports can support thumb based aliases).
5708 (ASM_SPEC): Move definition into arm.h
5710 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5711 redundant apcs spec.
5712 (ASM_SPEC): Move definition to arm.h
5714 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5716 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5717 for entries in the .bss section
5719 2000-03-23 Nick Clifton <nickc@cygnus.com>
5721 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5722 to thumb_far_jump_used_p.
5724 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5725 single integer parameter.
5727 * config/arm/arm.c (struct machine_function): Add two new
5728 fields, 'far_jump_used' and 'arg_pointer_live'.
5729 (thumb_far_jump_used_p): Once the decision has been made that
5730 far jumps might be used, always return true.
5731 If being called from the initial elimination offset macro then
5732 do not bother to perform the test if the arg pointer is not
5734 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5735 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5737 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5739 * arm.c (output_return_instruction): Handle more cases where we can
5740 return from a function with an ldr instruction.
5741 (arm_output_epilogue): Likewise.
5743 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5744 if we need to push a large stack frame and there are no callee-saved
5747 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5748 in ARM code if the frame pointer has been eliminated.
5750 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5751 unspec_volatile arguments to avoid duplicates.
5752 (consttable_1, consttable_2): Fixes for big-endian mode.
5754 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5757 Re-write constant pool code.
5758 * arm.c (minipool_node, minipool_fix): New types.
5759 (minifix): Delete type.
5760 (arm_add_minipool_constant): Delete.
5761 (arm_compute_minipool_offsets, arm_find_barrier,
5762 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5763 (get_jump_table_size): Now returns HOST_WIDE_INT.
5764 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5766 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5767 (assign_minipool_offsets, arm_print_value): Likewise.
5768 (dump_minipool): Rewrite.
5769 (arm_barrier_cost): New function.
5770 (create_fix_barrier): New function.
5771 (push_minipool_barrier): New function.
5772 (push_minipool_fix): Record additional information about the fixup
5774 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5775 check the mode of what needs fixing.
5776 (arm_reorg): Rewrite.
5778 2000-03-08 Nick Clifton <nickc@cygnus.com>
5780 * config/arm/arm.md (indirect_jump): Force constant addresses into
5783 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
5785 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
5787 2000-02-24 Nick Clifton <nickc@cygnus.com>
5789 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
5790 adjust is word aligned.
5791 (thumb_expand_epilogue): Make sure that stack adjust is word
5794 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
5796 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
5798 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
5799 pointer relative addresses.
5801 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
5803 * arm.c (find_barrier): Find the last barrier within the allowed
5806 2000-02-09 Nick Clifton <nickc@cygnus.com>
5808 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
5810 2000-02-09 Nick Clifton <nickc@cygnus.com>
5812 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
5813 ARM_FUNCTION_PROFILER.
5815 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
5816 ARM_FUNCTION_PROFILER.
5818 * config/arm/linux-oldld.h: Imported from mainline sources.
5820 2000-02-07 Nick Clifton <nickc@cygnus.com>
5822 * config/arm/lib1funcs.asm: Merge in thumb functions from
5825 * config/arm/lib1thumb.asm: Delete.
5827 2000-02-04 Nick Clifton <nickc@cygnus.com>
5829 * config/arm/arm.c: Sychronised with current Red hat local
5831 * config/arm/arm.h: Ditto.
5832 * config/arm/arm-protos.h: Ditto.
5834 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
5836 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
5838 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
5841 2000-02-02 Nick Clifton <nickc@cygnus.com>
5843 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
5845 * config/arm/arm.md (epilogue): Fix rtl checking abort because
5846 (return) was emited using an emit_insn() call.
5848 2000-01-31 Nick Clifton <nickc@cygnus.com>
5850 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
5852 (thumb_exit): Move frame pointer back into hard frame pointer
5853 register if backtracing is being used.
5855 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
5857 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
5860 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
5862 * config/arm/arm.md (neg_pool_offset): Provide default for new
5864 (arm_movsi_insn): Add neg_pool_offset attribute.
5865 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
5866 rtx for the insn that starts the scan and an unsigned long for its
5867 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
5868 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
5869 instructions in *PINSERTED.
5870 (struct minipool_fixup): Add MIN_ADDRESS elt.
5871 (sort_fixups): Compute it.
5872 (arm_reorg): Changes to support inserting pools before the insn to be
5875 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5877 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
5878 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
5879 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
5881 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
5883 * config/arm/semi.h (TARGET_VERSION): Do not define if already
5885 (TARGET_DEFAULT): Do not define if already defined.
5887 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
5889 * config/arm/arm.md (anddi3): Allow disjoint source operands.
5890 (iordi3): Allow disjoint source operands.
5891 (xordi3): Allow disjoint source operands.
5892 (negdi2): Permit construction for ARM and Thumb.
5893 (arm_negdi2): Renamed version of old negdi2 pattern.
5894 (thumb_negdi2): New pattern: Only permit non-overlapping
5895 source and destination.
5897 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
5899 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
5900 scratch low register so that it will not be deleted.
5902 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
5904 * config/arm/pe.h (ARM_PE): Define.
5906 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
5907 interfacearm attribute if this is a PE toolchain.
5908 (output_return_instruction): Do not emit anything if the function
5909 has the naked attribute set.
5910 (is_called_in_ARM_mode): If the function has the interfacearm
5911 attribute then return true.
5912 (thumb_expand_prologue): Do not generate a prologue for naked
5914 (thumb_expand_epilogue): Do not generate an epilogie for a naked
5916 (output_thumb_prologue): Do not bother if the function is naked.
5917 Strip PE encoding from function name before emitting.
5919 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
5921 * arm.md (pic_load_addr): Fix constraints.
5923 * arm.md (casesi_insn): Fix mis-applied patch.
5925 * arm.md ("core" function unit): Add rules for single- and
5927 (All TARGET_THUMB patterns): Add "type" attribute information
5929 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
5930 the following insn is a CALL.
5932 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
5934 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
5935 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
5936 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
5938 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
5940 * config/arm/linux-gas.h: oops - this file was missed out when the
5941 branch was created...
5943 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
5945 * thumb.c: Deleted. Move contents to ...
5947 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
5949 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
5952 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
5953 declare a prototype for asm_output_align();
5955 * arm.c (thumb_condition_code): Delete.
5956 (arm_print_operand): Always use arm_condition_code array.
5958 * arm.c (thumb_return_addr_rtx): Delete.
5959 (arm_save_machine_status, arm_restore_machine_status): Delete.
5960 (arm_init_machine_status, arm_mark_machine_status): New functions.
5961 (arm_init_expanders): Update accordingly.
5962 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
5963 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
5964 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
5966 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
5968 * configure.in : Fix arm-*-aout target to use new t-arm-aout
5970 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
5973 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
5975 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
5976 stack backtrace structure.
5978 * config/arm/arm-protos.h: Add prototypes for functions defined in
5981 * config/arm/arm.c (arm_override_options): Fix selection of
5982 attributes of default processor.
5984 * config/arm/coff.h: Delete needless #include.
5986 * config/arm/pe.c: Delete unused code.
5988 * config/arm/pe.h (CPP_DEFINES): Delete
5989 (SUBTARGET_CPP_SPEC): Define.
5990 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
5992 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
5994 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
5996 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
5998 (CAN_DEBUG_WITHOUT_FP): Define.
5999 (FIXED_REGISTERS): Make r11 call-saved.
6000 (CALL_USED_REGISTERS): Likewise.
6001 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
6002 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
6003 frame-pointer is required.
6004 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
6005 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
6006 if the target normally needs a stack frame in non-leaf functions.
6007 (use_return_insn): Correct logic for determining when a return
6008 instruction can be used.
6009 (output_return_instruction): Handle the frame-pointer register as
6010 a normal register when not TARGET_APCS_FRAME.
6011 (arm_output_prologue): Likewise.
6012 (arm_output_epilogue): Likewise.
6013 (output_func_epilogue): Likewise.
6014 (arm_expand_prologue): Likewise.
6015 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
6017 * arm.c (use_return_insn): No need to check floating point regs if
6019 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
6020 the code of value stored in the minipool array.
6021 (arm_add_minipool_constant): Likewise.
6023 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6025 * basic-block.h (conflict_graph_enum_fn): K&R fix.
6027 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6029 * tree.c (tree_expr_nonnegative_p): New function.
6031 * tree.h (tree_expr_nonnegative_p): Declare.
6033 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
6034 elide some sign_compare warnings.
6035 (build_conditional_expr): Likewise.
6037 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
6039 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
6041 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
6042 * i386.c (print_operand): Use the proper suffix for a 387 HImode
6043 operand. Abort if a 387 operand has an unsupported size.
6045 2000-04-08 Neil Booth <NeilB@earthling.net>
6047 * cppexp.c (parse_charconst): Null does not end character
6049 * cppinit.c (ISTABLE): Null character handled as whitespace.
6050 * cpplex.c (null_warning): new function.
6051 (skip_string): Emit warning if nulls encountered.
6052 (_cpp_skip_hspace): Emit warning if nulls encountered.
6053 (_cpp_lex_token): Emit warning if nulls encountered. Drop
6057 2000-04-07 Richard Henderson <rth@cygnus.com>
6059 * flow.c (loop_depth): Remove.
6060 (reg_next_use, cc0_live, mem_set_list): Replace with ...
6061 (struct propagate_block_info): New.
6062 (life_analysis): Don't allocate reg_next_use.
6063 (propagate_block_delete_insn): Break out of propagate_block.
6064 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
6065 (propagate_block_delete_libcall): Likewise.
6066 (propagate_block): Create a propagate_block_info struct to pass
6067 to subroutines. Allocate one not two temporary regsets. Don't
6068 clobber memory for const calls. Look for clobbers in
6069 CALL_INSN_FUNCTION_USAGE.
6070 (mark_set_regs): Recognize COND_EXEC.
6071 (mark_set_reg): Break out of mark_set_1.
6072 (mark_used_reg): Break out of mark_used_regs.
6073 (mark_used_regs): Recognize COND_EXEC.
6074 (insn_dead_p): Use propagate_block_info struct.
6075 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
6076 (find_auto_inc, try_pre_increment_1): Likewise.
6077 (print_rtl_with_bb): Dump regs live at end too.
6078 (count_reg_sets_1): Pass in loop_depth.
6079 (count_reg_sets, count_reg_references): Likewise.
6080 (recompute_reg_usage): Provide it.
6082 2000-04-07 Richard Henderson <rth@cygnus.com>
6084 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
6087 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
6089 * cpplib.c (do_elif): Skip the rest of the line if we're
6090 not going to bother evaluating it.
6091 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
6092 to avoid pointless calls to the lexer.
6094 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
6096 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
6098 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
6100 * calls.c (expand_call): emit_queue if we're trying a sibcall.
6102 2000-04-07 Jakub Jelinek <jakub@redhat.com>
6104 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
6106 2000-04-06 Geoff Keating <geoffk@cygnus.com>
6108 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
6109 crtend so they can be multilibbed.
6110 (STAGESTUFF): Remove s-crt and s-crtS.
6112 2000-04-07 Richard Henderson <rth@cygnus.com>
6114 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
6115 if we discover we need a pseudo and no_new_pseudos is true.
6116 * config/alpha/alpha.md (ne:DI insn): New.
6117 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
6119 2000-04-07 Richard Henderson <rth@cygnus.com>
6121 * rtl.def (COND_EXEC): New.
6122 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
6123 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
6125 * genconfig.c (have_cond_arith_flag): Remove.
6126 (have_cond_exec_flag): New.
6127 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
6128 (main): Print HAVE_conditional_execution.
6130 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
6131 (sched_analyze_insn, print_pattern): Likewise.
6132 * reload.c (find_equiv_reg): Likewise.
6133 * rtlanal.c (reg_referenced_p): Likewise.
6134 (note_stores, dead_or_set_regno_p): Likewise.
6135 (reg_overlap_mentioned_p): Rewrite to use a switch.
6137 * ggc.h (struct rtx_def): Forward declare.
6139 * print-rtl.c (debug_rtx_range): New.
6140 * rtl.h (debug_rtx_range): Declare.
6142 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
6144 * gcse.c (gcse_main): Don't rebuild the CFG here.
6145 (delete_null_pointer_checks): Likewise.
6146 * ssa.c (convert_to_ssa): Likewise.
6147 * toplev.c (rest_of_compilation): Do it here instead. Combine
6148 sequential calls to TIMEVAR. Consistently use `insns' instead of
6149 `get_insns()'. Always split insns after reload when optimizing.
6151 * basic-block.h (merge_blocks_nomove): Declare.
6152 (tidy_fallthru_edge): Declare.
6153 * flow.c (merge_blocks_nomove): Document as merging into previous
6154 blocks. Remove cruft from between blocks; remove all edges out of A.
6155 (tidy_fallthru_edge): Export.
6157 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6159 * ssa.c (compute_conservative_reg_partition): Declare with
6161 * toplev.c (clean_dump_file): Remove previously-deleted function
6162 inadvertantly merged back in.
6163 * conflict.c (conflict_graph_add): Use a single call to
6164 htab_find_slot to look up and insert.
6166 2000-04-06 Richard Henderson <rth@cygnus.com>
6168 * genrecog.c (*): Rename _last_insn to last_insn.
6169 (make_insn_sequence): Set the position of the peephole2 C test
6170 to be at the last insn.
6172 2000-04-06 Richard Henderson <rth@cygnus.com>
6174 * flow.c (compute_flow_dominators): Free worklist.
6176 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
6178 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
6180 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6182 * rtl.h (INSN_P): New macro.
6183 (successor_phi_fn): New typedef.
6184 (for_each_successor_phi): New prototype.
6185 (in_ssa_form): New variable.
6186 (PHI_NODE_P): Likewise.
6187 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
6188 phi nodes in successors.
6189 (mark_used_regs): Add PHI case.
6190 (set_phi_alternative_reg): New function.
6191 (life_analysis): Assert that dead code elimination is not selected
6193 * toplev.c (to_ssa_time): New variable.
6194 (from_ssa_time): Likewise.
6195 (compile_file): Zero to_ssa_time and from_ssa_time.
6196 Print time to convert to and from SSA.
6197 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
6198 (print_time): Compute percent fraction as integer.
6199 * ssa.c (PHI_NODE_P): Moved to rtl.h.
6200 (convert_to_ssa): Check if we're already in SSA.
6201 Don't eliminate dead code in life_analysis.
6202 Rerun flow and life analysis at bottom.
6203 (eliminate_phi): Use canonical regnos when adding nodes.
6204 (mark_reg_in_phi): New function.
6205 (mark_phi_and_copy_regs): Likewise.
6206 (convert_from_ssa): Rerun life analysis at top.
6207 Use coalesced partition.
6208 Check for removing a phi node at the end of the block.
6209 (compute_coalesced_reg_partition): New function.
6210 (coalesce_regs_in_copies): Likewise.
6211 (coalesce_reg_in_phi): Likewise.
6212 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
6213 (for_each_successor_phi): Likewise.
6214 (rename_context): New struct.
6215 (rename_block): Use a rename_context with rename_insn_1. When
6216 renaming sets of a subreg, emit a copy of the entire reg first.
6217 (rename_insn_1): Treat data as a rename_context *. Save current
6219 (rename_set_data): Add field set_insn.
6220 * Makefile.in (HASHTAB_H): Move up in file.
6221 (OBSTACK_H): New macro.
6222 (collect2.o): Use OBSTACK_H in dependencies.
6223 (sdbout.o): Likewise.
6224 (emit-rtl.o): Likewise.
6225 (simplify-rtx.o): Likewise.
6226 (fix-header.o): Likewise.
6227 (OBJS): Add conflict.o.
6228 (conflict.o): New rule.
6229 * basic-block.h: Include partition.h.
6230 (conflict_graph): New typedef.
6231 (conflict_graph_enum_fn): Likewise.
6232 (conflict_graph_new): New prototype.
6233 (conflict_graph_delete): Likewise.
6234 (conflict_graph_add): Likewise.
6235 (conflict_graph_conflict_p): Likewise.
6236 (conflict_graph_enum): Likewise.
6237 (conflict_graph_merge_regs): Likewise.
6238 (conflict_graph_print): Likewise.
6239 (conflict_graph_compute): Likewise.
6240 * conflict.c: New file.
6242 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
6244 * tlink.c (read_repo_files): Don't look for .rpo info for
6247 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6249 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
6251 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6253 * config/sh/lib1funcs.asm (___udivsi3_i4):
6254 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
6255 only depends on FMOVD_WORKS.
6257 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6259 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
6260 make double constant 8-byte aligned.
6262 2000-04-06 Jakub Jelinek <jakub@redhat.com>
6264 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
6265 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
6266 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
6267 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
6268 Accept storing GENERAL_REGS into offsetable memory.
6269 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
6270 building a TFmode constant other than 0.0L into GENERAL_REGS.
6272 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
6274 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
6276 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
6278 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
6279 (macro_cleanup): No need to cast pbuf->macro.
6280 (collect_expansion): Use _cpp_get_define_token. Goto done if
6281 it returns VSPACE. Remove check for trailing space after
6283 (_cpp_create_definition): Don't diddle flags here. Return
6285 (unsafe_chars): Handle c1 being EOF.
6286 (push_macro_expansion): Use unsafe_chars for both accidental-paste
6287 checks. Don't push the buffer till after we're done with
6289 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
6290 (PEEKN, FORWARD, GETC, PEEKC): Use them.
6291 (cpp_push_buffer): Don't set new->alimit. Set new->mark
6293 (_cpp_parse_assertion): Don't NUL terminate.
6294 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
6295 hspace before calling _cpp_parse_assertion. Remove all sets
6296 of only_seen_white. Treat '\f' as hspace. Don't do anything
6297 special with '\n' here.
6298 (maybe_macroexpand): Handle T_EMPTY hash entries without
6299 pushing a buffer at all.
6300 (cpp_get_token): Handle clearing only_seen_white here. Handle
6301 incrementing the line number here. Clear
6302 potential_control_macro as well as only_seen_white, if
6304 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
6305 (_cpp_get_define_token): New function, basically like
6306 _cpp_get_directive_token was but doesn't eat horizontal space.
6307 Don't do anything with only_seen_white here.
6308 (_cpp_get_directive_token): Just call _cpp_get_define_token
6309 repeatedly till it returns non-hspace.
6311 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
6312 (conditional_skip, skip_if_group): Return int.
6313 (DIRECTIVE_TABLE): Change origin of all conditional directives
6315 (TRAD_DIRECT_P): New macro.
6316 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
6317 an error for a bogus directive, unless -lang-asm. Use
6318 TRAD_DIRECT_P. Loop calling handler functions till one returns
6320 (get_macro_name): Don't diddle flags here.
6321 (do_define): Diddle flags here. Use _cpp_get_directive_token.
6322 Create T_EMPTY nodes for #define macro /* nothing */.
6323 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
6324 Use hp->name when calling pass_thru_directive.
6325 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
6326 Return the result of conditional_skip and/or skip_if_group.
6327 Don't call _cpp_output_line_command.
6328 (consider_directive_while_skipping): Use _cpp_get_directive_token.
6329 Issue -Wtraditional warnings as appropriate. Don't complain
6330 about unrecognized directives. If we are to stop skipping,
6331 return the number of the directive that ended the skip.
6332 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6333 expansion and line commands while skipping. Return the result
6334 of consider_directive_while_skipping, if nonzero.
6335 (do_endif): Just set potential_control_macro here.
6336 (validate_else): Use _cpp_get_directive_token.
6337 (do_assert, do_unassert): Don't save pointers into the
6338 token_buffer across calls to the lexer. Use
6339 _cpp_get_directive_token.
6341 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6342 pointer, not an offset. Replace 'data', which was a generic
6343 pointer, with 'macro', which points to a struct hashnode.
6344 (cpp_reader): Add 'potential_control_macro' pointer.
6345 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6346 (CPP_BUF_GET, CPP_FORWARD): Delete.
6347 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6348 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6349 ACTIVE_MARK_P): Update.
6350 (_cpp_get_define_token): New internal function.
6351 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6353 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6355 * configure.in: And here.
6356 * configure: Regenerate.
6357 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6358 --enable-libstdcxx-v3 is passed at configure time.
6359 * config.h.in: Regenerate.
6361 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6363 * final.c (final): Use xcalloc to allocate line_note_exists.
6364 * function.c (free_after_compilation): Free the temp_slots.
6365 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6366 (combine_temp_slot): Free temp_slots when they get combined.
6367 (purge_addressof): Fix typo in comment.
6368 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6369 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6371 * ggc.h: Include varray.h.
6372 (ggc_pending_trees): Declare.
6373 (ggc_mark_tree_children): Remove declaration.
6374 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6375 * ggc-common.c (ggc_pending_trees): New variable.
6376 (ggc_mark_roots): Call ggc_mark_trees.
6377 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6378 the ggc_pending_trees.
6379 * Makefile.in (GGC_H): New variable. Use it throughout in place
6382 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6384 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6387 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6389 * sh.c (sh_insn_length_adjustment): New function.
6390 * sh-protos.h (sh_insn_length_adjustment): Declare.
6391 * sh.h (ADJUST_INSN_LENGTH): Use it.
6393 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6395 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6396 from the insn where REG_RETVAL is added.
6397 (emit_no_conflict_block): Ditto.
6399 * md.texi (Standard Names): Clarify when movX is needed.
6401 * combine.c (simplify_comparison) [MINUS]: Do not replace
6402 all (op (minus A B) 0) with (op A B).
6404 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6405 J"orn Rennecke <amylaar@cygnus.co.uk>
6407 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6408 (block_lump_real): Likewise.
6410 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6412 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6413 remaining non-zero debugging masks.
6415 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6417 * basic-block.h (verify_flow_info): Declare.
6418 (flow_loop_outside_edge_p): Declare.
6419 * flow.c (verify_flow_info): Remove declaration.
6420 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6422 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6424 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6427 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6429 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6430 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6431 seqdi_zero_trunc+1): Allow splits only if registers are
6434 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6436 * acconfig.h: Add HAVE_GAS_HIDDEN.
6437 * config.in: Regenerated.
6438 * configure.in: Add test for .hidden pseudo-op in gas.
6439 * configure: Regenerated.
6440 * crtstuff.c: Include auto-host.h.
6441 Emit additional .hidden pseudo-op for __dso_handle if the
6442 assembler knows about it.
6444 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6446 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6447 before freeing argnames.
6448 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6450 2000-04-05 Michael Meissner <meissner@redhat.com>
6452 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6453 Walton <jonboy@gordian.com> to make memory references with update
6454 work wtih -mregnames.
6456 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6458 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6459 (regrename_optimize): Rename variables `def_uses' and
6460 `ext_basic_blocks' to avoid conflicts with similarly named
6461 typedefs in traditional C.
6463 * calls.c (initialize_argument_information): Fix typo in previous
6466 2000-04-04 Richard Henderson <rth@cygnus.com>
6468 * regrename.c (consider_available): Test fixed_regs not
6469 PIC_OFFSET_TABLE_REGNUM.
6471 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6473 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6475 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6476 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6477 (ENDFILE_LINUX_SPEC): Always use crtend.
6478 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6479 (powerpc-*-linux-gnu): Likewise.
6480 * configure: Regenerate.
6482 * config/rs6000/eabi.h: Don't include sysv4.h.
6483 (MULTILIB_DEFAULTS): Don't define.
6484 * config/rs6000/eabiaix.h: Don't include eabi.h.
6485 * config/rs6000/eabile.h: Delete.
6486 * config/rs6000/eabilesim.h: Delete.
6487 * config/rs6000/eabisim.h: Don't include eabi.h.
6488 * config/rs6000/linux.h: Don't include sysv4.h.
6489 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6490 (MULTILIB_DEFAULTS): Don't redefine.
6491 * config/rs6000/rtems.h: Don't include eabi.h.
6492 * config/rs6000/sol2.h: Don't include sysv4le.h.
6493 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6494 * config/rs6000/t-ppc: Delete.
6495 * config/rs6000/t-ppcgas: Correct comment.
6496 * config/rs6000/t-ppcos: Correct comment. Don't build
6497 multilibs for -fPIC, rather use -fPIC -mstrict-align
6499 * config/rs6000/t-ppc: Delete.
6500 * config/rs6000/vxppc.h: Don't include sysv4.h.
6501 * config/rs6000/vxppcle.h: Delete.
6502 * configure.in: Use multiple header files for p2pc ELF targets
6503 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6504 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6505 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6506 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6507 always available for these platforms.
6509 2000-04-04 Richard Henderson <rth@cygnus.com>
6511 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6513 2000-04-04 Stan Cox <scox@cygnus.com>
6515 * Makefile.in: Add rules for regrename.o
6516 * regrename.c: New file.
6517 * rtl.h (regrename_optimize): Add prototype.
6518 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6519 (compile_file, decode_d_option): Add support for -frename-registers.
6520 (rest_of_compilation): Call regrename_optimize.
6521 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6524 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6526 * Makefile (gccbug): New target.
6527 (doc): Depend on it.
6528 * gcc.texi (Bugs): Link subnodes.
6530 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6531 Document severities, priorities, and classes in bug form.
6533 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6535 * cpplex.c (trigraph_map, speccase): Combine into single
6537 (NORMAL, NONTRI): New macros.
6538 (_cpp_read_and_prescan): Change to use unified table. Use
6539 is_hspace to test for whitespace.
6541 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6542 definition that doesn't provoke the "empty body in an
6543 if-statement" warning.
6545 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6547 * builtins.c (expand_builtin_strlen): Force the source to
6548 be a memory address.
6550 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6552 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6554 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6556 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6557 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6558 (ECF_IS_CONST): Rename to ECF_CONST.
6559 (special_function_p): Make static, change interface.
6560 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6561 (expand_call) ... here; convert number of variables to flags.
6562 (emit_library_call_vlue_1): Likewise.
6563 (setjmp_call_p): New function.
6564 (initialize_argument_information): Accepts flags as argument;
6566 (precompute_arguments): Likewise.
6567 * tree.h (special_function_p): Remove.
6568 (setjmp_call_p): Add prototype.
6570 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6572 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6573 so that addresses are offsetable by up to 16 bytes.
6574 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6575 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6578 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6579 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6580 (movsf): Don't force any constant to memory if target is integer
6582 Move fp_zero_operand check below the const0_rtx check.
6583 (movtf): Likewise. Also allow fp_zero_operand for stores into
6585 (movdf): Likewise. Also allow fp_zero_operand for stores into
6586 memory and into integer hard registers.
6587 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6588 movdf_const_intreg_sp64): Remove.
6589 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6591 (movdf_no_e_insn_v9_sp32): New pattern.
6592 (movdf_insn_v9only): Remove.
6593 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6594 (movdf_insn_sp64): Remove.
6595 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6596 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6597 (following splits): Rewrite conditions. Add two new splits
6598 for storing 0.0 into memory and registers.
6599 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6600 (movtf_insn_sp32): Redo constraints and conditions.
6601 (movtf_insn_vis_sp32): New pattern.
6602 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6603 (movtf_insn_hq_sp64): Likewise.
6604 (movtf_insn_hq_vis_sp64): New pattern.
6605 (movtf_insn_sp64): Redo constraints and conditions.
6606 (movtf_insn_vis_sp64): New pattern.
6607 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6608 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6610 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6611 -mvis or -m64 to take down the number of various reload patterns.
6613 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6615 * pa/pa-64.h: New file.
6616 * pa/pa64-regs.h: New file.
6617 * pa/pa64-start.h: New file.
6618 * pa/t-pa64: New file.
6619 * pa/xm-pa64hpux.h: New file.
6621 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6623 * sparc.c (output_restore_regs): Prototype.
6624 (sparc_emit_float_lib_cmp): Constification.
6626 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6628 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6631 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6632 (get_value_hash, hash_rtx): Likewise.
6634 * ssa.c (compute_conservative_reg_partition): Prototype.
6636 * tree.c (mark_hash_entry): Prototype.
6638 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6640 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6641 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6642 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6644 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6645 * objc/lang-specs.h: Likewise.
6647 2000-04-03 Neil Booth <NeilB@earthling.net>
6649 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6650 and SYNTAX_ERROR2. Replace `' in messages with ''.
6651 (op_to_str): Make re-entrant.
6652 (_cpp_parse_expr): Implement new error macros. Use | rather
6653 than || to logically or 2 boolean integers. Simply expression
6654 checking we have a left operand iff needed.
6656 2000-04-03 Nick Clifton <nickc@cygnus.com>
6658 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6660 2000-04-03 Philip Blundell <philb@gnu.org>
6662 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6664 2000-04-03 Felix Lee <flee@cygnus.com>
6666 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6667 (run_shell): Use it.
6669 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6671 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6672 (stmp-fixproto): ...rather than here.
6674 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6676 * pa.c (print_operand): Compute 'base' only inside the code paths
6679 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6681 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6684 2000-04-03 Philipp Thomas <pthomas@suse.de>
6686 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6688 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6690 * Makefile.in (alias.o): Depend on $(TREE_H).
6692 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6694 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6696 * cpplib.c (_cpp_handle_directive): Improve warnings for
6697 traditional C and indented directives.
6699 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6700 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6701 fixinc/inclhack.def: Indent the # of #include_next one space.
6702 * cp/rtti.c: Un-indent #if and #endif.
6704 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6705 syntax error, but an error has already been printed.
6706 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6707 message when called with nothing remaining on the line.
6708 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6709 OTHER token, not an ASSERTION.
6710 * cpplib.c (do_assert): When we create a 'base' node, clear
6711 its aschain pointer.
6713 2000-04-02 Neil Booth <NeilB@earthling.net>
6715 * cppexp.c: New typedef op_t. struct operation and struct
6716 token updated to use it.
6717 (op_to_str): New function.
6718 (_cpp_parse_expr): Error messages modified to use op_to_str.
6720 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6722 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6723 before checking MUST_PASS_IN_STACK.
6725 2000-04-02 Neil Booth <NeilB@earthling.net>
6727 * cppexp.c: New FINISHED dummy token. Combine operator initial
6728 flags and initial priority into a single constant. New
6729 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6730 (_parse_cpp_expr): Implement new constants. Take left operand
6731 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6732 parse indicated by reducing FINISHED token. Remove new lines
6733 from cpp_error messages.
6735 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6737 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6740 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6742 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6743 directive. Add origin values to DIRECTIVE_TABLE. Generate
6744 the strings and function names on the fly. Take the #sccs
6745 entry out of the table if SCCS_DIRECTIVE is not defined.
6746 (_cpp_handle_directive): Decide if the # was at the beginning
6747 of the line here. Issue -pedantic warnings for extended
6748 directives here. Warn about K+R directives with the #
6749 indented, and C89/extended directives with the # not indented,
6751 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6752 do_assert, do_unassert): Don't issue pedantic warning here.
6754 * cpphash.h: Add CPP_WTRADITIONAL macro.
6755 * cpplib.h (struct cpp_options): Rename warn_stringify to
6756 warn_traditional; update comments.
6757 * cppinit.c (handle_option): Set warn_traditional not
6759 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6760 CPP_WTRADITIONAL (pfile).
6761 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6762 be ignored in -traditional mode here.
6764 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6765 to initialize speccase[] and trigraph_map[]. Delete all
6766 references to pfile->input_speccase. Always treat '?' as a
6767 special character. Remove table-initialization code from
6768 _cpp_init_input_buffer.
6770 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6771 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6773 2000-04-01 Richard Henderson <rth@cygnus.com>
6775 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6776 (mostlyclean): Likewise.
6778 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6779 (struct dump_file_info, enum dump_file_index, dump_file): New.
6780 (open_dump_file): Take a dump_file_index not a suffix, and a decl
6781 not a string. Clean out file if we havn't yet done so. Do nothing
6782 if the dump isn't enabled.
6783 (close_dump_file): Do nothing if the dump isn't open. Dump
6784 graph data if requested.
6785 (dump_rtl, clean_dump_file): Remove.
6786 (compile_file): Don't clean the dump files. Only finalize .bp dump
6787 if flag_test_coverage or flag_branch_probabilities. Only finalize
6788 .combine dump if optimizing. Iterate over dump_file to finalize the
6790 (rest_of_compilation): Update for open_dump_file/close_dump_file.
6791 Convert all uses of dump_rtl.
6792 (decode_d_option): Iterate over dump_file to implement 'a' and to
6793 locate pass-specific dumps.
6795 2000-04-01 Neil Booth <NeilB@earthling.net>
6797 * cppexp.c: Redefine priority constants.
6798 (_cpp_parse_expr): Replace left and right priority scheme with
6799 single priority logic. Move LOGICAL to same place as COMPARE.
6800 Remove bogus check for multiple unary +/- operators.
6802 2000-04-01 Neil Booth <NeilB@earthling.net>
6804 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
6805 within the switch statement. Binary operations break out of
6806 the switch naturally. '(' tokens handled by forcing
6807 immediate shift. ')' handled by forcing immediate reduce to
6808 the previous '('. New error messages.
6810 2000-03-31 Geoff Keating <geoffk@cygnus.com>
6812 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
6813 part', it's already in use. Use %K instead. Add a return at the
6814 end of what is now %K.
6815 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
6817 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6819 * builtins.c (expand_builtin_apply): Pass proper parameters to
6820 allocate_dynamic_stack_space.
6821 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
6822 update stack_pointer_delta; do not update arg_size_so_far.
6823 (compute_argument_block_size): Use stack_delta instead of
6824 stack_pointer_pending and arg_size_so_far.
6825 (expand_call): Add sanity checking for stack_pointer_delta;
6826 save and restore stack_pointer_delta for SIB, use
6827 stack_pointer_delta for alignment; do not update arg_space_so_far.
6828 (emit_library_call_value): Use stack_pointer_delta for alignment.
6829 (store_one_arg): Do not update arg_space_so_far.
6830 * explow.c (adjust_stack, anti_adjust_stack): Update
6831 stack_pointer_delta.
6832 (allocate_dynamic_stack_space): Add sanity checking for
6833 stack_pointer_delta.
6834 * expr.c (init_expr, clear_pending_stack_adjust): Clear
6835 stack_pointer_delta.
6836 (emit_push_insn): Update stack_pointer_delta.
6837 * function.h (struct expr_status): Add x_stack_pointer_delta;
6838 remove x_arg_space_so_far.
6839 (arg_space_so_far): Remove.
6840 (stack_pointer_delta): New macro.
6842 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
6844 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
6845 Reorder struct cpp_options and struct cpp_reader for better
6846 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
6847 takes two args. Change all 'char' flags to 'unsigned char'.
6848 Move show_column flag into struct cpp_options. Don't
6849 prototype cpp_options_init.
6850 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
6851 cppinit.c, cpplex.c, cpplib.c:
6852 Replace CPP_OPTIONS (pfile)->whatever with
6853 CPP_OPTION (pfile, whatever), and likewise for
6854 opts = CPP_OPTIONS (pfile); ... opts->whatever;
6856 * cppinit.c (merge_include_chains): Take a cpp_reader *.
6857 Extract CPP_OPTION (pfile, pending) and work with that
6859 (cpp_options_init): Delete.
6860 (cpp_reader_init): Turn on on-by-default options here.
6861 Allocate the pending structure here.
6862 (cl_options, enum opt_code): Define these from the same table,
6863 kept in a large macro. Add -fshow-column and -fno-show-column
6866 * cpperror.c (v_message): If show_column is off, don't print
6869 * cppmain.c: Update for new interface.
6870 * fix-header.c: Likewise.
6872 2000-03-30 Geoff Keating <geoffk@cygnus.com>
6874 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
6876 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
6877 are passed to any invocation of AR_FOR_TARGET.
6878 (AR_CREATE_FOR_TARGET): New macro.
6879 (AR_EXTRACT_FOR_TARGET): New macro.
6880 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
6881 AR_EXTRACT_FOR_TARGET.
6882 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
6883 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
6884 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
6885 AR_EXTRACT_FOR_TARGET to sub-makes.
6887 2000-03-31 Neil Booth <NeilB@earthling.net>
6889 * cppexp.c: Delete SKIP_OPERAND. Correct priority
6891 (_cpp_parse_expr): Check for multiple unary +/- operators.
6892 Correct priorities of ':' and '?'. Treat ')' as having a
6893 value. Ensure conditional expression is not void.
6895 2000-03-31 Mark Mitchell <mark@codesourcery.com>
6897 * alias.c (canon_rtx): Make it global.
6898 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
6900 * cse.c (struct table_elt): Add canon_exp.
6902 (invalidate): Canonicalize expressions only once.
6903 * rtl.h (canon_rtx): Declare.
6905 2000-03-30 Mark Mitchell <mark@codesourcery.com>
6907 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
6908 * alias.c (reg_known_value): Add comments.
6909 (init_alias_analysis): Likewise.
6910 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
6912 (cse_basic_block): Fix typo in comment.
6913 * emit-rtl.c: Include hashtab.h.
6914 (const_int_htab): New variable.
6915 (const_int_htab_hash): New function.
6916 (const_int_htab_eq): Likewise.
6917 (rtx_htab_mark_1): Likewise.
6918 (rtx_htab_mark): Likewise.
6919 (gen_rtx_CONST_INT): Cache all CONST_INTs.
6920 (unshare_all_rtx): Fix formatting.
6921 (init_emit_once): Initialize const_int_htab.
6922 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
6924 * rtl.texi: Document the fact that all CONST_INTs with the same
6927 2000-03-30 Richard Henderson <rth@cygnus.com>
6929 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
6931 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
6933 * configure.in: Comment out --enable-c-cpplib stanza.
6934 * configure: Regenerate.
6936 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6938 * expr.c (store_constructor): Properly compute displacement and
6939 alignment when offset is variable.
6941 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
6942 cases of alignment in bytes.
6944 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
6946 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
6947 since it is used to generate c-parse.y.
6948 * objc-parse.c, objc-parse.y: Regenerated.
6950 * function.c (expand_function_end): Pass alignment argument to
6951 emit_block_move in bits, not bytes.
6953 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6955 * expr.c (move_by_pieces_ninsns): Fix one more missing align
6958 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
6960 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
6961 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
6962 * function.c (assign_parms): Likewise.
6963 * integrate.c (expand_inline_function): Likewise.
6964 * stmt.c (expand_decl): Likewise.
6965 (copy_rtx_and_substitute): Likewise.
6966 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
6967 (clear_by_pieces): Fix error in last change.
6968 * emit-rtl.c (init_emit): Set known registers alignment in bits.
6969 * function.h (regno_pointer_align): Now unsigned.
6970 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
6972 * config/i386/i386.c (aligned_operand): Likewise.
6973 * config/sparc/sparc.c (mem_min_alignment): Likewise.
6974 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
6975 (unaligned_memory_operand): Likewise.
6976 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
6977 Also make alignments and sizes unsigned and some whitespace cleanup.
6978 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
6980 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
6981 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
6982 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
6983 (expand_builtin_memset): Likewise, but to clear_storage.
6984 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
6985 (restore_fixed_argument_area): Likewise.
6986 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
6987 (load_register_parameters): Likewise, to emit_group_load.
6988 (expand_call): Likewise, to emit_group_store and emit_block_move.
6989 (emit_library_call_value_1): Likewise, to emit_block_move.
6990 (store_one_arg): Likewise, and to emit_push_insn.
6991 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
6992 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
6993 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
6994 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6995 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
6996 (expand_assigment, store_expr, store_constructor_field): Likewise.
6997 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
6998 (store_constructor, store_field, get_inner_reference): Likewise.
6999 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
7000 (expand_expr, case COMPONENT_REF): Likewise.
7001 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
7002 and positions; reindent code.
7003 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
7004 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
7005 (assign_parms): Likewise to emit_group_store.
7006 * optabs.c (prepare_cmp_insn): Alignment is in bits.
7007 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
7008 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
7009 (expand_return): Likewise to {extract,store}_bit_field.
7010 * stor-layout.c (get_mode_alignment): Minor cleanup.
7011 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
7012 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
7014 2000-03-29 Nick Clifton <nickc@cygnus.com>
7016 * config/arm/arm.h: Undo effects of previous delta:
7017 (ASM_SPEC): Do not define.
7018 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
7020 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
7023 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7025 * cppinit.c (cpp_start_read): Call initialize_dependency_output
7026 only after reading in the primary source file.
7028 2000-03-29 Geoff Keating <geoffk@cygnus.com>
7030 * c-common.c (c_common_nodes_and_builtins): The first parameter to
7031 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
7032 or a reference to a va_list.
7033 * builtins.c (stabilize_va_list): Simplify now we don't have to
7034 work around C array address decay.
7035 * c-typeck.c (convert_for_assignment): Handle assignment to
7036 a reference parameter by taking the address of the RHS.
7037 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
7038 (va_copy): Likewise.
7039 (__va_copy): Likewise.
7040 * ginclude/varargs.h (va_start): Likewise.
7041 (__va_copy): Likewise.
7043 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
7045 * i386/djgpp.h: Remove extraneous "+".
7047 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
7049 * calls.c (expand_call): Fix typo in last change.
7051 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
7053 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
7056 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7058 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
7059 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
7060 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
7061 * tree.c (bit_position, byte_position): Likewise.
7062 * tree.h: Declare new functions.
7064 2000-03-29 Nick Clifton <nickc@cygnus.com>
7066 * config/arm/arm.c: Minor formatting changes/
7067 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7069 (ASM_SPEC): Define if not already defined.
7071 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7073 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
7076 2000-03-29 Jakub Jelinek <jakub@redhat.com>
7078 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
7079 value, don't output it as unsigned.
7081 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
7083 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
7085 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7087 * c-common.c (c_common_nodes_and_builtins): Don't special case
7088 cplus_mode when declaring builtin bzero/bcmp, always avoid
7089 prototype arguments.
7091 2000-03-29 Bruce Korb <bkorb@gnu.org>
7093 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
7096 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
7098 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
7099 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
7100 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
7101 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
7102 (save_fixed_argument_area, restore_fixed_argument_area):
7103 conditionize by #ifdef REG_PARM_STACK_SPACE only.
7104 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
7105 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
7106 (precompute_register_parameters): Avoid #ifdefs on
7107 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
7108 (stire_one_args): Likewise.
7109 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
7110 (emit_library_call_value_1): Likewise.
7111 (compute_argument_block_size): Align to STACK_BOUNDARY only for
7112 ACCUMULATE_OUTGOING_ARGS.
7113 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
7115 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
7116 (use_crosses_set_p): Likewise.
7117 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
7118 #define ACCUMULATE_OUTGOING_ARGS 1.
7119 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
7121 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
7123 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
7124 (TARGET_SWITCHES): Add push-args, no-push-args,
7125 accumulate-outgoing-args and no-accumulate-outgoing-args.
7126 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
7127 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
7128 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
7130 (emit_push_insn): Likewise.
7131 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7132 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
7133 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7134 (STACK_DYNAMIC_OFFSET): Define correctly for both
7135 ACCUMULATE_OUTGOING_ARGS and normal mode.
7136 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
7137 * tm.texi (PUSH_ARGS): Document.
7138 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
7140 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
7142 * flags.h (flag_optimize_sibling_calls): Declare.
7143 * calls.c (expand_call): Fail sibcall when
7144 !flag_optimize_sibling_calls
7145 * invoke.texi (flag_optimize_sibling_calls): Document.
7146 * toplev.c (flag_optimize_sibling_calls): New global variable.
7147 (f_options): Add flag_optimize_sibling_calls.
7148 (rest_of_compilation): Conditionize
7149 optimize_sibling_and_tail_recursive_calls by
7150 flag_optimize_sibling_calls.
7151 (main): Set flag_optimize_sibling_calls for -O2.
7152 * stmt.c (expand_return): Conditionize tail recursion by
7153 flag_optimize_sibling_calls.
7155 2000-03-29 Richard Henderson <rth@cygnus.com>
7157 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
7158 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
7160 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
7162 * except.c (add_eh_table_entry): Mark type_info's as referenced.
7164 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7166 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
7168 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
7169 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
7170 * config/rs6000/aix.h: then modified likewise.
7172 2000-03-28 Richard Henderson <rth@cygnus.com>
7174 * rtl.h: Redistribute enum reg_note documentation.
7175 Kill trailing whitespace.
7176 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
7177 Kill trailing whitespace.
7179 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
7181 * cppfiles.c (hash_IHASH): Just return i->hash.
7182 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
7183 htab_find_with_hash.
7184 (cpp_read_file): Likewise.
7185 (find_include_file): Likewise. Properly initialize
7186 ih->nshort. Share ih->name and ih->nshort if possible.
7187 * cpphash.c (_cpp_calc_hash): New function.
7188 (hash_HASHNODE): Just return h->hash.
7189 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
7190 htab_find_with_hash.
7191 * cpphash.h: Prototype _cpp_calc_hash.
7192 * cppinit.c (initialize_builtins): Provide a valid hash
7193 to _cpp_make_hashnode, using _cpp_calc_hash.
7195 * cpphash.c (collect_expansion): # is not a special character
7196 in object-like macros. In -traditional mode, /**/ is not
7197 token paste at the beginning or end of the line.
7198 * cpplib.c (do_include, do_import, do_include_next): If
7199 parse_include fails, return immediately.
7201 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
7203 * config/arm/arm.md (return peepholes): Update to reflect the new
7205 * config/arm/arm.c (arm_volatile_func): Also check
7206 current_function_nothrow.
7207 (output_return_instruction, output_func_prologue): Use it.
7208 (arm_output_epilogue, arm_expand_prologue): Likewise.
7210 2000-03-27 Tom Tromey <tromey@cygnus.com>
7212 * gcc.c (handle_braces): In {x*...} case, break out of loop if
7215 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7217 * expr.c (store_constructor): SIZE now signed.
7218 For EXPR_SIZE, don't evaluate size; just needed if constant.
7219 * fold-const.c (fold): Fix a number of cases when folded tree is
7221 * function.c (flush_addressof): Reenable.
7222 * tree.h (flush_addressof): Likewise.
7223 * toplev.c (independent_decode_option): Look at strings_processed.
7224 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
7226 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
7228 * sibcall.c (indentify_call_return_value): Find last call in the chain;
7229 Allow stack adjustment after function call.
7231 * regmove.c (struct csa_memlist): Make mem field rtx *.
7232 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
7233 (try_apply_stack_adjustment): Replace whole MEM rtx.
7234 (combine_stack_adjustments_for_block): Update calls
7235 to record_one_stack_ref.
7237 2000-03-28 Neil Booth <NeilB@earthling.net>
7239 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
7240 '\\' rather than a null character, so nulls are not special. Fix
7241 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
7242 speed trigraph conversion.
7243 (_cpp_init_input_buffer): Initialize trigraph map.
7245 2000-03-27 Alan Modra <alan@linuxcare.com.au>
7247 * config/i386/i386.c (output_387_binary_op): Correct intel
7248 mode assembly output, and add spaces after commas in AT&T
7249 output. Correct Unixware assembler comment. Document input
7250 constraints. Comment fp operations. Reduce profligate buffer
7251 size. Remove extraneous abort. Localize temp var.
7252 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
7253 (output_fix_trunc): Add spaces after commas in assembly output.
7255 2000-03-27 Richard Henderson <rth@cygnus.com>
7257 * i386-protos.h (ix86_match_ccmode): Declare.
7258 * i386.c (ix86_match_ccmode): New.
7259 (ix86_expand_fp_compare): Update for pattern renames.
7260 (ix86_expand_strlensi_unroll_1): Likewise.
7261 * i386.h (EXTRA_CC_MODES): Add CCZ.
7262 (SELECT_CC_MODE): Use it for EQ/NE zero.
7263 * i386.md (cmpsi_ccz_1): New.
7265 (*testsi_ccz_1): New.
7266 (testqi_ccz_1): New.
7267 (cmpsi_ccno_1): Rename from cmpsi_0.
7268 (testsi_ccno_1): Rename from testsi_1.
7269 (testqi_ccno_1): Rename from testqi_1.
7270 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
7271 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
7272 (*cmphi_0): Use ix86_match_ccmode.
7273 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
7274 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
7275 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
7276 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
7277 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
7278 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
7279 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
7280 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
7281 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
7282 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
7283 (appropriate peepholes): Likewise.
7284 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
7285 (*subsi_3, *subhi_3, *subqi_3): Remove.
7286 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
7287 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
7288 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
7289 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
7290 (x86_shift_adj_1): Use CCZ.
7291 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
7293 2000-03-27 Stan Cox <scox@cygnus.com>
7295 * resource.h (mark_resource_type): New.
7296 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
7297 find_free_register): Use mark_resource_type.
7298 (mark_set_resources): Change include_delayed_effects
7299 to mark_resource_type.
7300 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
7301 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
7302 Use mark_resource_type.
7304 2000-03-27 Richard Henderson <rth@cygnus.com>
7306 * i386.md (call_pop_0, call_value_pop_0): New.
7307 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
7308 (call_value_pop_1): Likewise.
7309 (call_0, call_value_0): New.
7310 (call_1, call_value_1): Remove constraint from unused arg.
7312 2000-03-27 Nick Clifton <nickc@cygnus.com>
7314 * invoke.texi (Spec Files): Document new spec % command created by
7315 Tom Tromey's recent patch.
7317 2000-03-27 Jakub Jelinek <jakub@redhat.com>
7319 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
7322 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7324 * expr.c (expand_assignment): Fix typo in last change.
7326 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
7328 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7330 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
7331 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
7332 and DECL_INLINE if FUNCTION_DECL.
7333 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7334 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7335 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7336 (combine_parm_decls): Likewise.
7337 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7338 * print-tree.c (print_node): Likewise.
7339 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7340 DECL_TRANSPARENT_UNION on proper decl types.
7341 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7342 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7343 DECL_BIT_FIELD of FIELD_DECL.
7344 * tree.h (DECL_RESULT_FLD): New macro.
7346 * expr.c (expand_assignment): Add code to handle variable-sized
7349 2000-03-26 Richard Henderson <rth@cygnus.com>
7351 * calls.c (expand_call): Pass parms not original exp to
7352 optimize_tail_recursion. Mind return value instead of looking
7354 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7355 call_expr. Move checks for call_expr and current_function_decl ...
7356 (expand_return): ... here.
7358 2000-03-26 Tom Tromey <tromey@cygnus.com>
7360 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7361 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7363 (process_command): Use them.
7364 (check_live_switch): Likewise.
7365 (give_switch): Skip ignored switches.
7367 2000-03-26 Jan Hubicka <jh@suse.cz>
7369 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7370 for minimal jump pass test.
7372 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7374 * integrate.c (function_cannot_inline_p): Do inline functions that
7377 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7379 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7380 now a list of TREE_LIST entries, not types.
7381 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7383 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7384 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7386 * config/mips/mips.c (function_arg): Likewise; also remove cast
7387 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7388 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7389 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7390 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7391 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7392 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7393 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7394 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7395 num_adjusts now unsigned.
7396 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7397 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7399 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7400 as is BITPOS variable; use host_integerp and int_bit_position.
7401 (function_arg_record_value_2): Likewise.
7402 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7403 Variable REGNO now unsigned.
7404 (function_arg_record_value): NREGS now unsigned.
7406 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7408 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7410 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7412 * Rework fields used to describe positions of bitfields and
7413 modify sizes to be unsigned and use HOST_WIDE_INT.
7414 * alias.c (reg_known_value_size): Now unsigned.
7415 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7416 (really_start_incremental_init): Use bitsize_zero_node.
7417 (push_init_level, pop_init_level, output_init_element): Likewise.
7418 Use bitsize_unit_node and bitsize_one_node.
7419 (output_pending_init_elements, process_init_element): Likewise.
7420 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7421 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7422 HOST_WIDE_INT, respectively.
7423 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7424 (num_sign_bit_copies): Returns unsigned.
7425 BITWIDTH now unsigned; rework arithmetic.
7426 Remove recursive call from arg to MAX.
7427 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7428 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7430 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7431 (find_split_point, expand_compound_operation, make_extraction): LEN
7432 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7433 (make_field_assignment): Likewise.
7434 (combine_simplify_rtx): Add cast.
7435 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7436 (force_to_mode): WIDTH now unsigned; add cast.
7437 (if_then_else_cond): SIZE now unsigned.
7438 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7439 (extended_count): Now returns unsigned.
7440 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7441 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7442 (simplify_comparison): MODE_WIDTH now unsigned.
7443 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7444 (mark_used_regs_combine): Likewise; rework arithmetic.
7445 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7446 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7447 (record_promoted_value): REGNO now unsigned.
7448 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7449 (get_last_value): REGNO now unsigned.
7450 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7451 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7452 (remove_death): Arg REGNO now unsigned.
7453 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7454 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7456 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7457 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7458 (struct cse_reg_info): REGNO now unsigned.
7459 (cached_regno): Now unsigned.
7460 (REGNO_QTY_VALID_P): Add cast.
7461 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7462 (remove_invalid_regs): Likewise.
7463 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7464 as are variables END and I.
7465 (get_cse_reg_info, insert): Likewise.
7466 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7467 (canon_hash): Likewise.
7468 (insert_regs, lookup_for_remove): REGNO now unsigned.
7469 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7471 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7472 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7473 * emit-rtl.c (subreg_realpart_p): Add cast.
7474 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7475 (operand_subword_force): Arg I is now unsigned.
7476 * except.c (eh_regs): Variable I is now unsigned.
7477 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7478 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7479 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7480 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7481 (extract_split_bit_field, store_bit_field, extract_bit_field):
7483 * expr.c (store_constructor_fields, store_constructor, store_field):
7484 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7485 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7486 (do_jump): Likewise.
7487 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7488 MAX_SIZE is now unsigned.
7489 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7490 (emit_group_store): Likewise.
7491 (emit_move_insn): I now unsigned.
7492 (store_constructor): Use host_integerp, tree_low_cst, and
7494 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7495 Rework all calculations to use trees and new fields.
7496 * expr.h (promoted_input_arg): Regno now unsigned.
7497 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7498 (mark_seen_cases): Arg is HOST_WIDE_INT.
7499 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7500 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7501 precisions and alignments are unsigned.
7502 (optimize_bit_field_compare, fold_truthop): Likewise.
7503 (int_const_binop): Adjust threshold for size_int_type_wide call.
7504 (fold_convert): Likewise.
7505 (size_int_type_wide): Make table larger and fix thinko that only
7506 had half of table used.
7507 (all_ones_mask_p, fold): Precisions are unsigned.
7508 * function.c (put_reg_info_stack): REGNO is unsigned.
7509 (instantiate_decl): Size is HOST_WIDE_INT.
7510 (instantiate_virtual_regs): I is unsigned.
7511 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7512 (promoted_input_arg): REGNO is unsigned.
7513 * function.h (struct function): x_max_parm_reg is now unsigned.
7514 * gcse.c (max_gcse_regno): Now unsigned.
7515 (struct null_pointer_info): min_reg and max_reg now unsigned.
7516 (lookup_set, next_set): REGNO arg now unsigned.
7517 (compute_hash_table): REGNO and I now unsigned.
7518 (handle_avail_expr): regnum_for_replacing now unsigned.
7519 (cprop_insn): REGNO now unsigned.
7520 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7521 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7522 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7523 * hard-reg-set.h (reg_class_size): Now unsigned.
7524 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7525 * jump.c (mark_modified_reg): I now unsigned; add cast.
7526 (rtx_equal_for_thread_p): Add cast.
7527 * loop.c (max_reg_before_loop): Now unsigned.
7528 (struct_movable): REGNO now unsigned.
7529 (try_copy_prop): REGNO arg unsigned.
7530 (regs_match_p): XN and YN now unsigned.
7531 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7532 (strength_reduce): Likewise; NREGS also unsigned.
7533 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7534 * loop.h (struct iv_class): REGNO now unsigned.
7535 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7537 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7538 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7539 * optabs.c (expand_binop): I and NWORDS now unsigned.
7540 (expand_unop): I now unsigned.
7541 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7542 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7543 * real.c (significand_size): Now returns unsigned.
7544 * real.h (significand_size): Likewise.
7545 * regclass.c (reg_class_size): Now unsigned.
7546 (choose_hard_reg_mode): Both operands now unsigned.
7547 (record_reg_classes): REGNO and NR now unsigned.
7548 (reg_scan): NREGS now unsigned.
7549 (reg_scan_update): old_max_regno now unsigned.
7550 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7551 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7552 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7553 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7554 Likewise for variable R.
7555 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7556 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7557 (find_equiv_reg): Add casts.
7558 (regno_clobbered_p): Arg REGNO now unsigned.
7559 * reload.h (struct reload): NREGS now unsigned.
7560 (refers_to_regno_for_reload_p): Regno args are unsigned.
7561 (regno_clobbered_p): Likewise.
7562 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7563 (compute_use_by_pseudos): REGNO now unsigned.
7564 (find_reg): I and J now unsigned, new variable K, and change loop
7565 variables accordingly; THIS_NREGS now unsigned.
7566 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7567 (spill_hard_reg): REGNO arg now unsigned; add casts.
7568 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7569 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7570 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7571 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7572 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7573 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7574 (emit_reload_insns): REGNO now unsigned.
7575 (reload_cse_move2add): Add cast.
7576 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7578 * resource.c (mark_referenced_resources, mark_set_resources): New
7579 variable R; REGNO and LAST_REGNO now unsigned.
7580 (mark_target_live_regs): J and REGNO now unsigned.
7581 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7582 * rtl.h (union rtunion_def): New field rtuint.
7583 (XCUINT): New macro.
7584 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7585 (operand_subword, operand_subword_force): Word number is unsigned.
7586 (choose_hard_reg_mode): Operands are unsigned.
7587 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7588 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7589 (regno_use_in, combine_instructions, remove_death): Likewise.
7590 (reg_scan, reg_scan_update): Likewise.
7591 (extended_count): Return is unsigned.
7592 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7593 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7594 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7595 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7596 (reg_reg_last_1): FIRS and LAST now unsigned.
7597 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7598 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7600 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7601 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7602 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7603 (replace_regs): Arg NREGS now unsigned.
7604 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7605 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7606 (simplify_binary_operation): Likewise.
7607 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7608 THIS_LAST now unsigned.
7609 (cselib_record_set): Add cast.
7610 * ssa.c (ssa_max_reg_num): Now unsigned.
7611 (rename_block): REGNO now unsigned.
7612 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7614 (all_cases_count): Just return -1 not -2.
7615 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7616 Rework tests to use trees whenever possible.
7617 Use host_integerp and tree_low_cst.
7618 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7619 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7620 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7621 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7622 (smallest_mode_for_size): Likewise.
7623 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7624 KNOWN_ALIGN is now an alignment, so simplify code.
7625 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7626 (start_record_layout): Renamed from new_record_layout_info.
7627 Update to new fields.
7628 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7630 (place_union_field): Renamed from layout_union_field.
7631 Update to use new fields in rli.
7632 (place_field): Renamed from layout_field.
7633 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7634 (finalize_record_size): Rework to use new fields in rli and handle
7636 (compute_record_mode): Rework to simplify and to use new DECL fields.
7637 (finalize_type_size): Make rounding more consistent.
7638 (finish_union_layout): Deleted.
7639 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7640 (layout_type, case RECORD_TYPE): Call new function names.
7641 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7642 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7643 (get_best_mode): UNIT is now unsigned; remove casts.
7644 * tree.c (bit_position): Compute from new fields.
7645 (byte_position, int_byte_position): New functions.
7646 (print_type_hash_statistics): Cast to remove warning.
7647 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7648 (build_index_type): Likewise; make subtype of sizetype.
7649 (build_index_2_type): Pass sizetype to build_range_type.
7650 (build_common_tree_nodes): Use size_int and bitsize_int to
7651 initialize nodes; add bitsize_{zero,one,unit}_node.
7652 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7653 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7654 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7655 (DECL_FIELD_BITPOS): Deleted.
7656 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7657 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7658 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7659 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7660 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7661 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7662 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7663 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7664 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7665 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7666 (DECL_ALIGN): Adjust to new field in union.
7667 (DECL_OFFSET_ALIGN): New field.
7668 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7669 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7670 (union tree_decl): Add struct for both aligns.
7671 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7672 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7673 (struct record_layout_info): Rework fields to have offset
7674 alignment and byte and bit position.
7675 (start_record_layout, place_field): Renamed from old names.
7676 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7677 (byte_position, int_byte_position): Likewise.
7678 (get_inner_reference): Change types of position and length.
7679 * unroll.c (unroll_loop): New variable R; use for some loops.
7680 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7681 (calculate_giv_inc): Arg REGNO now unsigned.
7682 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7683 * varasm.c (assemble_variable): Clean up handling of size using
7684 host_integerp and tree_low_cst.
7685 (decode_addr_const): Use byte, not bit, position.
7686 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7687 use tree_low_cst and int_bit_position.
7688 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7690 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7692 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7693 (reorder_block_def): New members eff_head and eff_end.
7694 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7695 (verify_insn_chain): New function.
7696 (skip_insns_between_block): Add code to skip deleted insns.
7697 Check for note before using.
7698 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7699 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7700 Check for note before using.
7701 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7702 (fixup_reorder_chain): Restructure, clean up, defect removal.
7703 (reorder_basic_blocks): Remove last_insn and references to it.
7704 Moved insn chain verification code into a new function (see above).
7705 Delete defective code that sets last insn.
7706 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7709 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7711 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7713 2000-03-24 Richard Henderson <rth@cygnus.com>
7715 * tree.c (lang_safe_for_unsave): Remove.
7716 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7717 allowing for two levels of unsafeness. Remove lang hook.
7718 * tree.h: Update declarations.
7719 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7720 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7721 Always fail sibcalls when there are pending cleanups.
7723 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7725 * flow.c (propagate_block): When we delete an ADDR_VEC,
7726 also delete the BARRIER following it if there is one.
7728 2000-03-24 Richard Henderson <rth@cygnus.com>
7730 * builtins.c (expand_builtin_bzero): Convert `length' argument
7733 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7735 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7736 comparison if regno's are equal.
7737 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7738 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7739 (expand_call): Update caller.
7740 Avoid making a sibling call if argument size of the callee is larger
7741 than argument size of the caller.
7742 Call hard_function_value with outgoing set if in sibcall pass.
7743 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7745 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7746 Change LEAF_REGISTERS from an array initializer to actual array
7747 identifier. Move static global variable into the function.
7748 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7749 sequences for leaf functions.
7750 * global.c (global_alloc): Likewise.
7751 * tm.texi (LEAF_REGISTERS): Update documentation.
7753 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7754 TARGET_FLAT leaf disabling hack.
7755 (LEAF_REGISTERS): Changed from an array initializer to actual array
7756 identifier to avoid duplication and remove the above hack.
7757 (FUNCTION_OK_FOR_SIBCALL): Define.
7758 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7759 always like call attribute.
7760 (eligible_for_sibcall_delay): New attribute.
7761 (sibcall): New delay type.
7762 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7763 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7764 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7765 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7766 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7768 (output_function_epilogue): Move part of the code into
7769 output_restore_regs.
7770 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7772 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7775 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7776 until infrastructure is finished.
7778 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
7780 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
7781 (save_parm_insns): Not here.
7783 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7785 * builtins.c (expand_builtin_bzero): New function.
7786 (expand_builtin): Handle bzero.
7788 * builtins.def: Add BUILT_IN_BZERO.
7790 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7791 prototype & function for bzero.
7793 2000-03-23 Michael Meissner <meissner@redhat.com>
7795 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
7796 change adding TARGET_FP to the TF floating point insns, except for
7797 trunctfsf2, which generates direct calls to truncdfsf2.
7799 2000-03-23 Geoff Keating <geoffk@cygnus.com>
7801 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
7802 try to protect against middle-end changes that break binary
7804 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
7806 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7808 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
7810 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7812 * calls.c (expand_call): If TARGET is passed by reference and
7813 is readonly, write a CLOBBER.
7815 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7817 * builtins.c (expand_builtin): Handle bcmp.
7819 * builtins.def: Add BUILT_IN_BCMP.
7821 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7822 prototype & function for bcmp.
7824 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
7826 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
7827 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
7828 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
7830 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
7832 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
7833 alternative when using -fp64 -gp32.
7835 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7837 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
7838 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
7839 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
7841 * frame.h (frame_state): Revert last change.
7842 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
7843 * libgcc2.c (throw_helper): Revert last change.
7845 2000-03-22 Richard Henderson <rth@cygnus.com>
7847 * stmt.c (expand_asm_operands): Don't promote the temporary.
7849 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7851 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
7852 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
7853 c_get_alias_set): Likewise.
7854 * c-decl.c (duplicate_decls): Likewise.
7855 * c-typeck.c (default_conversion,build_unary_op): Likewise.
7856 * calls.c (initialize_argument_information): Likewise.
7857 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
7859 * dwarfout.c (decl_class_context,output_type): Likewise.
7860 * expr.c (get_inner_reference): Likewise.
7861 * fold-const.c (simple_operand_p,fold): Likewise.
7862 * function.c (aggregate_value_p): Likewise.
7863 * stmt.c (expand_asm_operands): Likewise.
7864 * varasm.c (named_section): Likewise.
7866 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7868 Implement dwarf2 exception handling for the ARM.
7869 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
7870 (DWARF_FRAME_RETURN_COLUMN): Define.
7871 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
7872 REG_FRAME_RELATED_EXPR note.
7873 (emit_sfm): Likewise.
7874 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
7875 * dwarf2out.c (reg_save): Handle saving a register to itself.
7876 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
7877 * except.c (eh_regs): Don't use the static chain reg if it's
7879 * frame.h (frame_state): Add cfa_saved field.
7880 * frame.c (execute_cfa_insn): Set it.
7881 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
7883 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
7885 (instantiate_virtual_regs): Adjust.
7887 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7888 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7889 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
7891 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
7892 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
7894 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7896 * builtins.def: New file.
7898 * Makefile.in (TREE_H): Depend on builtins.def.
7900 * builtins.c (built_in_names): Use builtins.def.
7902 * tree.h (built_in_function): Likewise.
7904 2000-03-22 Mark Mitchell <mark@codesourcery.com>
7906 * tree.c (size_in_bytes): Return size_zero_node, not
7909 2000-03-22 Geoff Keating <geoffk@cygnus.com>
7911 * config/fp-bit.c (pack_d): Correct the case when a denormal
7912 is rounded up and stops being denormal.
7914 2000-03-21 Richard Henderson <rth@cygnus.com>
7916 * config/alpha/alpha.c (function_arg): Check for void_type_node
7917 before using MUST_PASS_IN_STACK.
7919 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
7921 * regmove.c (combine_stack_adjustments_for_block): Check that
7922 the stack pointer is a valid memory address.
7924 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
7926 * calls.c: re-install Mar 16 emit_library_call merge.
7928 2000-03-21 Jakub Jelinek <jakub@redhat.com>
7930 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
7931 we cannot be sure that if reload_completed base register will
7932 be properly aligned.
7934 2000-03-21 Richard Henderson <rth@cygnus.com>
7936 * flow.c (delete_block): Fix typo last change.
7938 2000-03-21 Mark Mitchell <mark@codesourcery.com>
7940 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
7941 not COMPLETE_TYPE_P, to check the type of the expression.
7943 2000-03-21 Michael Meissner <meissner@redhat.com>
7945 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
7946 all floating point insns that just tested the macro
7947 TARGET_HAS_XFLOATING_LIBS.
7948 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
7949 used to only use the gprs.
7951 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
7953 * tree.h (COMPLETE_TYPE_P): New macro.
7954 (COMPLETE_OR_VOID_TYPE_P): New macro.
7955 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
7956 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
7957 * c-aux-info.c (gen_type): Use them.
7958 * c-common.c (c_expand_expr_stmt): Likewise.
7959 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
7960 grokdeclarator, grokparms, finish_struct, start_function,
7961 store_parm_decls, combine_parm_decls): Likewise.
7962 * c-parse.y (cast_expr): Likewise.
7963 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
7964 c_size_in_bytes, c_alignof, build_component_ref,
7965 build_indirect_ref, build_array_ref, convert_arguments,
7966 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
7967 * calls.c (initialize_argument_information): Likewise.
7968 * convert.c (convert_to_integer): Likewise.
7969 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
7970 * dwarfout.c (location_or_const_value_attribute,
7971 output_enumeration_type_die, output_structure_type_die,
7972 output_union_type_die, output_type): Likewise.
7973 * expr.c (safe_from_p, expand_expr): Likewise.
7974 * function.c (assign_parms): Likewise.
7975 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
7976 * tree.c (build_array_type, build_function_type,
7977 build_method_type, build_offset_type, build_complex_type): Likewise.
7978 * c-parse.c, c-parse.h: Regenerated.
7980 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7982 * config/c4x/rtems.h: Include config/rtems.h.
7984 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
7986 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
7987 decl is a FUNCTION_DECL
7989 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
7991 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
7992 function uses output registers. Don't save RP for leaf functions.
7993 Do save RP even if no epilogue.
7994 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
7995 (CALL_USED_REGISTERS): Unmark in registers.
7996 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
7999 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8001 * config/rs6000/rs6000.md (bunordered): New expander.
8002 (bordered): New expander.
8003 (buneq): New expander.
8004 (bunge): New expander.
8005 (bungt): New expander.
8006 (bunle): New expander.
8007 (bunlt): New expander.
8008 (bltgt): New expander.
8010 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
8011 (ccr_bit_negated_p): New function.
8012 (print_operand): For %C, generate appropriate cror for UNEQ,
8013 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
8015 2000-03-20 Andreas Jaeger <aj@suse.de>
8017 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
8020 * tree.h (safe_for_unsave): Prototype.
8022 2000-03-20 Richard Henderson <rth@cygnus.com>
8024 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
8025 (combine_stack_adjustments_for_block): Don't allow sp references
8026 in the side of a set we're not fixing up.
8027 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
8028 after life_analysis.
8030 2000-03-20 Richard Henderson <rth@cygnus.com>
8032 * calls.c (expand_call): Don't bother generating tail call
8033 sequences if there are pending cleanups. Use
8034 expand_start_target_temps/expand_end_target_temps to elide
8035 cleanups created during sibcall expansion.
8037 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8039 * configure.in: Set $IFS to a value if it doesn't already have one
8040 in the --enable-checking handling.
8041 * configure: Regenerate.
8043 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8045 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
8046 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8049 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
8051 * jump.c (delete_noop_moves): Remove code attempting to
8052 combine stack adjustments.
8054 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8056 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
8057 * except.c (emit_cleanup_handler): Use them.
8058 (expand_end_all_catch): Likewise.
8059 * function.c (fixup_var_refs): Likewise.
8060 (expand_function_end): Clear catch_clauses_last.
8061 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
8062 * except.h (struct eh_status): New field x_catch_clauses_last.
8063 (catch_clauses_last): New define.
8065 * Makefile.in (tree.o): Depend on HASHTAB_H.
8066 * tree.c: Include hashtab.h.
8067 (struct type_hash): Remove next field.
8068 (TYPE_HASH_SIZE): Remove.
8069 (TYPE_HASH_INITIAL_SIZE): New define.
8070 (type_hash_table): Change type to htab_t.
8071 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
8072 mark_hash_entry): New functions.
8073 (init_obstacks): Allocate type hash.
8074 (type_hash_lookup): Use htab functions.
8075 (type_hash_add, mark_type_hash): Likewise.
8076 (dump_tree_statistics): Call print_type_hash_statistics.
8078 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8080 * rs6000/t-aix41: New file.
8082 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
8084 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
8086 * tm.texi (Driver): Fix typos and tweak entry for
8088 Move misplaced STRUCT_FORCE_BLK entry ...
8089 (Storage Layout): ... to here.
8090 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
8092 2000-03-19 Richard Henderson <rth@cygnus.com>
8094 * flow.c (delete_block): Delete the addr_vec along with the block.
8095 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
8098 * fold-const.c (extract_muldiv): Apply type check for defined
8099 overflow to multiply as well as divide.
8101 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
8103 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8105 * emit-rtl.c (remove_unncessary_notes): Check that all
8106 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
8107 associated NOTE_BLOCK.
8108 * function.h (identify_blocks): Update comments.
8109 (reorder_blocks): Declare.
8110 * function.c (identify_blocks): Don't take paramters.
8111 (reorder_blocks): Don't take parameters.
8112 * loop.h (find_loop_tree_blocks): Remove.
8113 (unroll_block_trees): Likewise.
8114 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
8115 reorder_blocks instead of unroll_block_trees.h
8116 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
8117 * stmt.c (find_loop_tree_blocks): Remove.
8118 (unroll_block_trees): Likewise.
8119 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
8120 in whole-function mode.
8121 * tree.h (reorder_blocks): Remove declaration.
8123 * expr.c: Include intl.h.
8124 * Makefile.in (expr.o): Depend on intl.h.
8126 2000-03-18 Richard Henderson <rth@cygnus.com>
8128 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
8130 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8132 * tree.h (tree_index): Remove enumerals for integer types.
8133 (integer_type_kind): New type.
8134 (integer_types): New variable.
8135 (char_type_node): Adjust.
8136 (signed_char_type_node): Likewise.
8137 (unsigned_char_type_node): Likewise.
8138 (short_integer_type_node): Likewise.
8139 (short_unsigned_type_node): Likewise.
8140 (integer_type_node): Likewise.
8141 (unsigned_type_node): Likewise.
8142 (long_integer_type_node): Likewise.
8143 (long_unsigned_type_node): Likewise.
8144 (long_long_integer_type_node): Likewise.
8145 (long_long_unsigned_type_node): Likewise.
8146 * tree.c (integer_types): New variable.
8147 (init_obstacks): Register it as a root.
8149 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
8151 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
8152 NEXT_INSN. Update last insn in chain.
8154 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
8156 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
8157 with TYPE_DECL_SUPPRESS_DEBUG set.
8159 2000-03-18 Richard Henderson <rth@cygnus.com>
8161 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
8163 2000-03-18 Richard Henderson <rth@cygnus.com>
8165 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
8166 care for HALF_PIC_P.
8167 (expander_call_insn_operand): Remove.
8168 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
8169 * i386.h (PREDICATE_CODES): Update.
8170 * i386.md (all call expanders): Remove predicates, remove special
8171 handling for half-pic.
8172 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
8173 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
8174 (sibcall_epilogue): New.
8176 2000-03-17 Richard Henderson <rth@cygnus.com>
8178 * rtlanal.c (single_set): Reject if the parallel has anything
8179 except SET or USE or CLOBBER.
8181 2000-03-17 Jeff Law <law@cygnus.com>
8182 Richard Henderson <rth@cygnus.com>
8184 * Makefile.in (OBJS): Add sibcall.o.
8186 * sibcall.c: New file.
8187 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
8188 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
8189 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
8190 Emit sibcall patterns when requested. Update all callers.
8191 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
8192 elimination seems feasable.
8193 * final.c (leaf_function_p): Sibling calls don't discount being
8195 * flow.c (HAVE_sibcall_epilogue): Provide default.
8196 (find_basic_blocks_1): Sibling calls don't throw.
8197 (make_edges): Make edge from sibling call to EXIT.
8198 (propagate_block): Don't remove sibcall_epilogue insns.
8199 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
8200 (sibcall_epilogue): New.
8201 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
8202 (identify_blocks_1): Likewise. Break out from ...
8203 (identify_blocks): ... here.
8204 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
8205 (reorder_blocks): ... here.
8206 (init_function_for_compilation): Zap prologue/epilogue as varrays.
8207 (record_insns): Extend a varray instead of mallocing new memory.
8208 (contains): Read a varray not array of ints.
8209 (sibcall_epilogue_contains): New.
8210 (thread_prologue_and_epilogue_insns): Emit and record
8211 sibcall_epilogue patterns.
8212 (init_function_once): Allocate prologue/epilogue varrays.
8213 * genflags.c (gen_insn): Treat sibcall patterns as calls.
8214 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
8216 (save_for_inline_nocopy): ... here.
8217 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
8219 (expand_inline_function): ... here.
8220 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
8221 (subst_constants): Handle 'n' formats.
8222 * jump.c (jump_optimize_minimal): New.
8223 (jump_optimize_1): New arg `minimal'; update callers. Elide most
8224 optimizations if it's set.
8225 * rtl.c (copy_rtx): Do copy jump & call for insns.
8226 * rtl.h (struct rtx_def): Document use of jump and call for insns.
8227 (SIBLING_CALL_P): New.
8228 (sibcall_use_t): New.
8229 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
8230 Invoke optimize_sibling_and_tail_recursive_calls.
8231 * tree.c (lang_safe_for_unsave): New.
8232 (safe_for_unsave): New.
8233 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
8235 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
8236 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
8237 (*sibcall_osf_1, *sibcall_value_osf_1): New.
8239 2000-03-17 Mark Mitchell <mark@codesourcery.com>
8241 * objc/objc-act.c (encode_method_prototype): Pass types, not
8242 PARM_DECLs, to int_size_in_bytes.
8244 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
8246 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
8248 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8249 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
8251 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8253 * Clean up usages of TREE_INT_CST_LOW.
8254 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
8255 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8257 * c-tree.h (min_precision): Move declaration to here.
8258 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
8259 (build_unary_op, add_pending_init): Use bit_position.
8260 (pending_init_member, process_init_element): Likewise.
8261 (really_start_incremental_init, push_init_level, pop_init_level):
8262 Don't make copies of nodes or modify them in place, use consistent
8263 types when tracking positions, and use tree routines computations.
8264 (set_init_index, output_init_element): Likewise.
8265 (output_pending_init_elements, process_init_element): Likewise.
8266 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
8267 tree_low_cst and int_bit_position; also minor cleanup.
8268 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
8269 (print_cst_octal): Precision is unsigned.
8270 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
8271 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
8272 (simple_type_align_in_bits): Result is unsigned int.
8273 Use tree_int_low_cst and host_integerp.
8274 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
8275 (field_byte_offset): Result is HOST_WIDE_INT.
8276 Change types of internal variables so alignments are unsigned int,
8277 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
8278 Use host_integerp, tree_low_cst, and int_bit_position.
8279 (add_bit_offset_attribute): Likewise.
8280 (add_data_member_location_attribute): Use tree_cst_low.
8281 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
8282 (add_bit_size_attribute): Use tree_low_cst.
8283 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
8284 * dwarfout.c: Similar changes to dwarf2out.c.
8285 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
8286 * genoutput.c (n_occurences): Return -1 for null string.
8287 (strip_whitespace): Accept null string and make into function.
8288 (scan_operands): Reflect above changes.
8289 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
8290 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
8291 * ssa.c (rename_registers): Add missing cast of arg to bzero.
8292 * tree.c (int_size_in_bytes): Check for too big to represent.
8293 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
8294 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
8296 (min_precision): Delete from here.
8297 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
8298 and int_bit_position.
8299 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
8300 (encode_method_def): Likewise.
8301 (build_ivar_list_initializer): Use int_bit_position.
8302 (generate_shared_structures): Convert size.
8303 (encode_type, encode_complete_bitfield): Use integer_zerop.
8304 (encode_bitfield): Use tree_low_cst and int_bit_position.
8306 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8308 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
8310 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8312 * call.c (special_function_p): It is only malloc if it returns
8315 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8317 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
8318 (C33_FLAG, TARGET_C3X): Add macros.
8319 (TARGET_SWITCHES): Add -m33 option.
8320 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
8322 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8324 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
8325 (PARALLEL_PACK_FLAG): Delete.
8326 (TARGET_SWITCHES): Update.
8327 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
8329 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8331 * fold-const.c (fold): Fix a few cases when the returned result
8332 is not of the same type as the input.
8334 2000-03-16 Nick Clifton <nickc@cygnus.com>
8336 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8339 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8341 * libgcc2.h: Move prototypes above macros with the same name.
8342 Wrap some function prototypes in the conditional which indicates
8343 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8345 2000-03-16 Richard Henderson <rth@cygnus.com>
8347 * calls.c: Revert last two changes.
8349 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8351 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8352 has exponent 0 is a zero.
8354 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8355 HASH may already be nonzero. Add code/mode into hash value
8356 immediately after repeat label.
8357 (cselib_lookup): Don't leave the hash table in an inconsistent
8358 state before a hash lookup operation.
8360 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8362 * i386.md (all HI and QI mode non-move patterns): Conditionize
8363 by TARGET_[HQ]IMODE_MATH.
8364 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8365 x86_promote_qi_regs): Declare.
8366 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8367 TARGET_PROMOTE_QI_REGS): New macros.
8368 (PROMOTE_MODE): New macro.
8369 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8370 x86_promote_qi_regs): New global variables.
8372 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8374 * calls.c (emit_library_call_value_1): Break out from ...; handle
8375 VOIDmode function calls too.
8376 (emit_library_call_value): ... here.
8377 (emit_library_call): Implement by calling emit_library_call_value_1.
8379 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8381 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8382 Update arg_space_so_far on stack adjustments.
8383 (emit_library_call, emit_library_call_value): Likewise; take into
8384 account arg_space_so_far and pending_stack_adjust when calculcating
8387 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8389 * flow.c: Move all basic block reordering code into its own file.
8390 (create_basic_block): Externalize.
8391 * bb-reorder.c: New file. Copy all basic block reordering code from
8392 flow.c to this file.
8393 (reorder_basic_blocks): Fix fencepost error in for-loop.
8394 (reorder_basic_blocks): Remove braces from single statement for-loops.
8395 * basic-block.h: Add declaration for create_basic_block.
8396 * Makefile.in: Add rules for bb-reorder.o.
8398 2000-03-16 Neil Booth <NeilB@earthling.net>
8400 * cppinit.c (handle_option): Implement #unassert directive
8401 as -A- command line option.
8402 (print_help): Update.
8403 * cpptexi.c: Update.
8405 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8407 * md.texi (Standard Names): Document `jump'.
8409 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8411 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8414 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8416 Merge changes from newppc-branch onto trunk.
8418 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8420 * rs6000.c (toc_hash_table): Update for new hash table functions.
8421 (toc_hash_function): Likewise.
8422 (toc_hash_eq): Likewise.
8423 (toc_hash_mark_entry): Likewise.
8424 (toc_hash_mark_table): Likewise.
8425 (output_toc): Likewise.
8426 (rs6000_add_gc_roots): Likewise.
8428 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8430 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8431 (AR_FLAGS_FOR_TARGET): here. New macro.
8433 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8435 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8436 fpmem_operand) Delete.
8438 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8439 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8440 (rs6000_save_machine_status, rs6000_restore_machine_status,
8441 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8442 references to above variables.
8443 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8444 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8445 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8446 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8447 (XER_REGNO_P, XER_REGNO): New.
8448 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8449 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8450 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8452 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8453 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8454 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8456 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8458 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8459 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8460 * rs6000.h: from here.
8462 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8463 (rs6000_select_rtx_section): Likewise.
8464 (rs6000_encode_section_info): Likewise.
8465 (sdata_section): Likewise.
8466 (sdata2_section): Likewise.
8467 (sbss_section): Likewise.
8468 * sysv4.h (rs6000_select_section): Delete prototype.
8469 (rs6000_select_rtx_section): Likewise.
8470 (rs6000_encode_section_info): Likewise.
8471 (sdata_section): Likewise.
8472 (sdata2_section): Likewise.
8473 (sbss_section): Likewise.
8474 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8476 * sysv4.h: Delete various unnecessary #undef's and put a comment
8477 on the remaining ones.
8478 Change various comments according to coding standard.
8480 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8482 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8483 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8484 (CR0_REGNO_P) Remove.
8485 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8486 setup_incoming_varargs, mtcrf_operation, print_operand,
8487 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8488 Use the above macros.
8490 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8492 * config/rs6000/rs6000.md: Added a new alternative for each
8493 pattern that had a 'x' alternative but no 'y' alternative.
8494 Added a new split for each of the above patterns.
8496 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8498 * aix41.h (ASM_CPU_SPEC): Delete.
8499 (CPP_CPU_SPEC): Delete.
8501 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8502 (ASM_OUTPUT_LABEL): Define.
8503 (ASM_GLOBALIZE_LABEL): Define.
8504 (STRIP_NAME_ENCODING): Define.
8505 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8506 (STRIP_NAME_ENCODING): Don't define.
8507 (ASM_OUTPUT_LABEL): Don't define.
8508 (ASM_GLOBALIZE_LABEL): Don't define.
8509 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8510 names, and ASM_OUTPUT_LABEL to output labels, rather than
8512 (ASM_OUTPUT_LABEL): Define.
8513 (ASM_OUTPUT_INT): Use assemble_name.
8514 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8515 (STRIP_NAME_ENCODING): Don't undefine first.
8516 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8518 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8519 specified with 'asm' even with -fleading-underscore.
8520 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8521 (output_epilog): Likewise.
8522 (output_toc): Likewise.
8523 * tramp.asm: Handle -fleading-underscore correctly.
8525 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8527 (nonlocal_goto_receiver): Delete.
8528 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8530 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8531 (SET_ASM_OP): Define.
8532 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8534 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8537 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8538 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8540 * rs6000.h: Add 'u' to more constants.
8542 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8544 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8546 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8548 * rs6000.c (reg_or_u_cint_operand): New function.
8549 (logical_operand): Handle 64-bit hosts.
8550 (logical_u_operand): New function.
8551 (non_logical_cint_operand): Handle 64-bit hosts.
8552 (non_logical_u_cint_operand): New function.
8553 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8554 (PREDICATE_CODES): Define new functions.
8555 * rs6000-protos.h: Declare new functions.
8556 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8557 (movdi_64): Bracket code intended for 64-bit hosts. Create
8558 CONST_DOUBLE for 32-bit values.
8559 (scc insns): Generate DImode compares.
8560 (mfcr insns): Create DImode versions.
8561 (sge matchers): New patterns.
8563 2000-02-15 Gabriel Paubert <paubert@iram.es>
8565 * rs6000.md: Correct instructions length attributes and
8566 constraints on unsigned compare instructions.
8567 (*ne0): Disable for PowerPC64.
8569 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8571 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8572 quantity, fix profile1.C test failure under -fPIC.
8574 * rs6000.c: Add 'u' to many constants to suppress warnings.
8575 (constant_pool_expr_1): Make static.
8576 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8577 * rs6000.h: Add 'u' to many constants to suppress warnings.
8579 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8580 for the start of the TOC, instead of LCTOC..0.
8581 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8583 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8584 (load_toc_aix_di): Use LCTOC..1.
8586 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8587 * rs6000.c (rs6000_legitimize_address): New function from
8588 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8589 symbols in the constant pool that really are TOC references.
8590 (print_operand_address): For ELF, write TOC offsets under
8591 -fPIC as subtractions in the insn.
8592 (output_toc): For ELF, define symbols in TOC as normal labels,
8594 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8595 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8596 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8597 * rs6000.md (movsi): Only use create_TOC_reference on
8598 symbols in the constant pool that really are TOC references.
8600 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8601 * rs6000.c (rs6000_reorg): Delete.
8602 * rs6000-protos.h (rs6000_reorg): Delete.
8604 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8606 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8608 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8609 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8610 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8611 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8612 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8613 rs6000_aix_emit_builtin_unwind_init.
8614 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8615 rs6000_emit_eh_toc_restore on AIX.
8616 (return_eh_si): Use r2.
8617 (return_eh_di): Use r2.
8619 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8620 since we're breaking binary compatibility anyway.
8622 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8624 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8625 constant_pool_expr_p): Declare them.
8626 (constant_pool_expr_p): Declare it.
8627 * config/rs6000/rs6000.c (toc_label_name): Define.
8628 (rs6000_override_options): Set toc_label_name.
8629 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8630 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8631 uses_TOC): New functions.
8632 (print_operand): Delete old '*' case.
8633 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8634 and strip off rtl for TOC before calling output_addr_const.
8635 (rs6000_emit_load_toc_table): Use toc_label_name.
8636 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8638 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8639 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8640 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8641 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8642 into explicit TOC_REGISTER offsets.
8643 (TOC_REGISTER): New macro.
8644 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8645 TARGET_TOC to reference TOC_REGISTER.
8646 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8647 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8648 uses_TOC before emitting label references.
8650 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8652 * rs6000.md (stack_tie): Fix warning.
8654 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8655 to handle -fleading-underscore.
8656 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8657 (USER_LABEL_PREFIX): New macro.
8658 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8659 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8660 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8661 call-linux can use the same multilibs.
8662 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8663 and call-linux multilibs. Do multilib with -fleading-underscore.
8664 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8665 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8668 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8669 have MASK_SOFT_FLOAT set.
8670 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8671 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8672 CPP_FLOAT_DEFAULT_SPEC.
8674 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8675 * rs6000.md: Whitespace change.
8676 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8677 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8679 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8681 * rs6000.md (eh_epilogue): New expander.
8682 (eh_reg_restore): New expand/split/insn combination.
8683 (return_eh_si): New insn.
8684 (return_eh_di): New insn.
8686 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8687 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8688 * eabi-ctors.c (__do_global_ctors): Register this object's
8689 frame. Clean up. Call atexit() after the constructors.
8690 (__do_global_dtors): Deregister this object's frame. Clean up.
8691 Allow for recursive calls to exit().
8692 * rs6000.c (fixuplabelno): New variable.
8693 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8694 TARGET_RELOCATABLE, it slows down exec() under linux.
8695 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8697 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8698 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8699 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8700 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8701 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8702 (ASM_OUTPUT_DWARF_ADDR): New macro.
8703 (ASM_OUTPUT_DWARF_DATA4): New macro.
8704 (ASM_OUTPUT_DWARF_DATA2): New macro.
8705 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8706 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8707 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8709 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8711 * rs6000.c (rs6000_sr_alias_set): New variable.
8712 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8713 (rs6000_emit_stack_tie): New function.
8714 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8715 in a way that dwarf2out can understand.
8716 (rs6000_frame_related): New function.
8717 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8718 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8719 Use rs6000_emit_stack_tie when needed.
8720 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8721 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8722 * rs6000.md (stack_tie): New insn.
8723 (return_internal_si): Allow return value to be in the count
8725 (return_internal_di): Likewise.
8727 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8729 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8731 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8733 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8735 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8737 * rs6000.md (stmw): Use the right POWER opcode.
8740 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8742 * rs6000-protos.h: New file.
8744 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8746 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8749 * sysv4.h: Likewise.
8751 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8753 * ../../configure.in: Delete powerpcle-*-winnt*
8754 and powerpcle-*-pe|powerpcle-*-cygwin*.
8755 * ../../configure: Regenerated.
8757 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8758 (TARGET_WINDOWS_NT): Delete.
8760 (CALL_NT_DLLIMPORT): Delete.
8761 Delete NT-specific code.
8762 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8765 * nt-ci.asm: Delete.
8766 * nt-cn.asm: Delete.
8767 * ntstack.asm: Delete.
8769 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8771 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8772 (ASM_FILE_START): Likewise.
8773 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8774 (ASM_OUTPUT_LABELREF): Likewise.
8775 (ASM_OUTPUT_SKIP): Likewise.
8776 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8777 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8778 (ASM_OUTPUT_CASE_LABEL): Likewise.
8779 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8780 (ASM_OUTPUT_ASCII): Likewise.
8782 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
8784 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
8785 reload_toc_labelno for non-prologue TOC reloads. Also, don't
8786 increment rs6000_pic_labelno here.
8787 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
8788 and increment rs6000_pic_labelno here.
8790 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
8792 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
8793 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
8794 allocation knows (reg) is dead before the insn.
8796 2000-01-21 Geoff Keating <geoffk@cygnus.com>
8798 * rs6000.md (movsi_to_cr): Correct typo in output template.
8800 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8802 * rs6000.c (rs6000_pic_labelno): Always define.
8803 (rs6000_pic_func_labelno): Delete.
8804 (lmw_operation): Check for a zero base register,
8805 which doesn't mean what we want.
8806 (stmw_operation): New function.
8807 (print_operand): Define new 'l' modifier.
8808 (rs6000_stack_info): We must save all 64 bits of the registers
8809 if TARGET_POWERPC64.
8810 (rs6000_output_load_toc_table): Delete.
8811 (rs6000_emit_load_toc_table): New function.
8812 (rs6000_allocate_stack_space): Delete.
8813 (rs6000_emit_allocate_stack): New function.
8814 (rs6000_emit_prologue): New function.
8815 (output_prolog): Use rs6000_emit_prologue.
8816 (rs6000_emit_epilogue): Change a few variable names to be
8817 more accurate. Restore all 64 bits of the registers if
8818 TARGET_POWERPC64. Only restore the FP registers which were used
8819 if they are being saved/restored one-at-a-time.
8820 (output_mi_thunk): Delete inefficient code generation.
8821 (output_function_profiler): Don't use rs6000_output_load_toc_table.
8822 * rs6000.h: Declare rs6000_emit_load_toc_table,
8823 rs6000_allocate_stack_space, stmw_operation. Don't declare
8824 rs6000_output_load_toc_table.
8825 * rs6000.md (elf_high): Allow register 0, but discourage it
8827 (elf_low): Support loading into register 0.
8828 (load_toc_aix_si): New pattern.
8829 (load_toc_aix_di): New pattern.
8830 (load_toc_v4_pic_si): New pattern.
8831 (load_toc_v4_pic_di): New pattern.
8832 (load_toc_v4_PIC_1): New pattern.
8833 (load_toc_v4_PIC_1b): New pattern.
8834 (load_toc_v4_PIC_2): New pattern.
8835 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
8836 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
8837 (prologue): New expander.
8838 (movesi_from_cr): New pattern.
8839 (stmw): New pattern.
8840 (save_fpregs_si): New pattern.
8841 (save_fpregs_di): New pattern.
8843 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8845 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
8850 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8852 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
8854 (movsi_got_internal): Likewise.
8855 (movsi_got_internal+1): Likewise.
8856 (set_sp): 'unspec 7' does a SImode clobber.
8858 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8860 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
8861 allocate a stack temporary.
8862 (floatsidf2_internal): Likewise.
8863 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
8865 (floatunssidf2): Don't use the fpmem "register", just
8866 allocate a stack temporary.
8867 (floatunssidf2_internal): Likewise.
8868 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
8870 (floatsidf2_loadaddr): Delete.
8871 (floatsidf2_store1): Delete.
8872 (floatsidf2_store2): Delete.
8873 (floatsidf2_load): Delete.
8874 (fix_truncdfsi2): Don't use the fpmem "register", just
8875 allocate a stack temporary.
8876 (fix_truncdfsi2_internal_si): Delete.
8877 (fix_truncdfsi2_internal_di): Delete.
8878 (fix_truncdfsi2_internal): New insn.
8879 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
8880 (fix_truncdfsi2_store): Delete.
8881 (fix_truncdfsi2_load): Delete.
8882 (fctiwz): Produce gen_fctiwz.
8884 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8886 * eabi.h (INVOKE__main): Define.
8887 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
8889 (rs6000_emit_prologue): Likewise.
8890 * rs6000.h (struct rs6000_stack): Don't keep track of whether
8891 this is the main program.
8893 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8895 * rs6000.c (rs6000_va_arg): Delete some unused variables.
8897 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8899 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
8900 goes after the argument.
8902 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8904 * rs6000.md: Document 'unspec' values used.
8905 (epilogue): New expander.
8906 (movesi_to_cr_one): New expander.
8907 (movesi_to_cr and following): New pattern.
8909 (return_internal_si): New pattern.
8910 (return_internal_di): New pattern.
8911 (return_and_restore_fpregs_si): New pattern.
8912 (return_and_restore_fpregs_di): New pattern.
8913 * rs6000.h: Declare new functions.
8914 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
8915 rather than rs6000_calls_p.
8916 (rs6000_makes_calls): Delete.
8917 (lmw_operation): New function.
8918 (mtcrf_operation): New function.
8919 (rs6000_emit_epilogue): New function.
8920 (output_epilog): Call rs6000_emit_epilogue and final if
8921 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
8923 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8925 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
8926 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
8927 * aix.h (SUBTARGET_SWITCHES): Document switches.
8928 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
8929 sched-prolog and sched-epilog the same. Document all the
8931 (TARGET_OPTIONS): No longer allow -mdebug-.
8933 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8935 * rs6000.h (ASM_FILE_END): Move to aix.h.
8936 (EXTRA_SECTIONS): Move to aix.h.
8937 (READONLY_DATA_SECTION): Move to aix.h.
8938 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
8939 (SELECT_SECTION): Move to aix.h.
8940 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
8941 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
8942 (LINK_REGISTER_REGNUM): New definition.
8943 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
8944 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
8946 * sysv4.h: Delete the code between the inclusion of rs6000.h
8948 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
8949 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
8950 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
8951 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
8952 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
8953 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
8954 (fix_truncdfsi2_internal_di): New pattern.
8955 (fix_truncdfsi2_store): The second arg here is Pmode too.
8956 (fix_truncdfsi2_load): The second arg here is Pmode too.
8957 (tablejumpdi): Now that switch tables hold only SImode values,
8958 gcc needs to know how to add them to the pc which is DImode.
8959 * rs6000.c (rs6000_stack_info): Use symbolic name for
8960 LINK_REGISTER_REGNUM.
8961 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
8962 (output_toc): Delete unused variables s1 and s2.
8963 (output_ascii): Use fputs not fprintf on a variable string.
8965 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8967 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8968 * aix43.h: Revert Aug 2 change.
8969 (HAS_INIT_SECTION): Define, not visible yet.
8970 (LD_INIT_SWITCH): Define, not visible yet.
8971 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8973 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8975 * config/rs6000/rtems.h: Include config/rtems.h.
8977 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8979 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8980 (SLOW_UNALIGNED_ACCESS): Define.
8981 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8982 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8983 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8984 (toc_section): Likewise and .toc pseudo-op.
8985 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8987 (TEXT_SECTION_ASM_OP): Likewise.
8988 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8991 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8993 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
8994 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8997 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8999 * rs6000.h: Move more stuff from here...
9001 * sysv4.h: Cleanup accordingly.
9002 * netware.h: Likewise
9004 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9006 * rs6000.h: Continue cleanup.
9009 * netware.h: Likewise.
9011 * sysv4.h: Likewise.
9012 * win-nt.h: Likewise.
9014 * rs6000.h (TARGET_SWITCHES): Add descriptions.
9015 (TARGET_OPTIONS): Likewise.
9017 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
9018 (SUBTARGET_OPTIONS): Likewise.
9020 * rs6000.md: Fix compile time warnings.
9022 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9024 vxworks patches from the Cygnus tree originally by
9025 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
9026 <vmakarov@cygnus.com>.
9027 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
9028 (ENDFILE_SPEC): Likewise.
9029 (LIB_VXWORKS_SPEC): New macro.
9030 (STARTFILE_VXWORKS_SPEC): New macro.
9031 (ENDFILE_VXWORKS_SPEC): New macro.
9032 (LINK_START_VXWORKS_SPEC): New macro.
9033 (LINK_OS_VXWORKS_SPEC): New macro.
9034 (CPP_OS_VXWORKS_SPEC): New macro.
9035 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
9036 * vxppc.h: Rewrite to use proper configuration method.
9037 * vxppcle.h: New file.
9038 * ../../configure.in: Add powerpcle-wrs-vxworks*.
9039 * ../../configure: Rebuilt.
9041 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9043 Lots of changes to rs6000.h, sysv4.h, aix.h,
9044 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
9045 with the aim that rs6000.h is the first header
9046 included and the others override it.
9049 * x-aix41-gld: Remove.
9051 * x-aix41: Remove target-specific switches, and don't specify
9052 -Wl,-bbigtoc as we don't need it any more.
9053 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
9054 Use t-aix43 for AIX 4.3 and above.
9055 * ../../configure: Regenerated.
9057 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
9058 options, that don't do anything yet.
9059 (MASK_SCHED_PROLOG): New macro.
9060 (MASK_SCHED_EPILOG): New macro.
9061 (TARGET_SCHED_PROLOG): New macro.
9062 (TARGET_SCHED_EPILOG): New macro.
9064 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9066 * rs6000.c: Correct comment, the `minimal' TOCs are actually
9067 one per translation unit, not one per function.
9068 (output_toc): Also do duplicate constant elimination
9069 for per-translation-unit TOCs.
9071 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
9072 a comment explaining _exactly_ when this pattern gets used.
9073 (builtin_setjmp_receiver): New pattern for better clarity.
9074 (init_v4_pic): Move it into a section dealing with TOC registers.
9076 1999-12-30 Geoff Keating <geoffk@cygnus.com>
9078 * rs6000.c (toc_hash_table): New variable.
9079 (rs6000_hash_constant): New function.
9080 (toc_hash_function): New function.
9081 (toc_hash_eq): New function.
9082 (toc_hash_mark_entry): New function.
9083 (toc_hash_mark_table): New function.
9084 (output_toc): Don't output duplicate TOC entries in
9086 (rs6000_add_gc_roots): Add the hash table as a GC root.
9087 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
9088 where they clearly shouldn't be. This may need to be fixed
9089 later when there is a GNU ar for AIX.
9090 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
9091 Don't define BOOT_LDFLAGS as it is now not necessary.
9093 1999-12-29 Geoff Keating <geoffk@cygnus.com>
9095 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
9096 for va_list on AIX. Use unsigned_char_type_node rather than
9097 constructing our own version on svr4.
9099 1999-12-17 Geoff Keating <geoffk@cygnus.com>
9101 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
9102 since patently it's not.
9104 1999-12-08 Geoff Keating <geoffk@cygnus.com>
9106 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
9107 define_expand/define_insn pair, and handle restore of the
9108 SVR4 -fpic register.
9110 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
9112 * acconfig.h (HAVE_GAS_WEAK): New define.
9113 * configure.in (assembler weak support): Check for .weak support.
9114 * config.in, configure: Rebuilt.
9115 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
9116 HAVE_GAS_WEAK is defined.
9118 2000-03-15 Nick Clifton <nickc@cygnus.com>
9120 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
9123 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
9125 * cppfiles.c (open_include_file): New function.
9126 (find_include_file, cpp_read_file): Use it.
9128 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9130 * cpphash.c (dump_hash_helper): Take the slot, not the element.
9132 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
9134 * flow.c (verify_flow_info): Check for unconditional return.
9136 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
9138 * config/ia64/ia64.md (restore_stack_nonlocal): New.
9139 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
9140 (__ia64_restore_stack_nonlocal): New.
9141 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
9143 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9145 * cpphash.c (collect_formal_parameters): Do not complain about
9146 parameter names that just start with `__VA_ARGS__'.
9148 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
9150 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
9151 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
9152 * i386.c (pentiumpro_cost): Set mul cost to 4.
9153 (x86_use_movx): Set for PPro.
9155 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
9157 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
9158 STACK_BOUNDARY for empty frames now.
9160 2000-03-14 Mark Mitchell <mark@codesourcery.com>
9162 * stor-layout.c (layout_union): Remove.
9163 (layout_union_field): New function, split out from layout_union.
9164 (finish_union_layout): Likewise.
9165 (layout_field): Handle unions by calling layout_union_field.
9166 (finish_record_layout): Handle unions.
9167 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
9168 QUAL_UNION_TYPE handling.
9170 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
9172 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
9173 end of basic block is jump_insn, not barrier; use create_basic_block
9174 instead of creating basic block by hand.
9176 2000-03-14 Jason Eckhardt <jle@cygnus.com>
9178 * flow.c (reorder_basic_blocks): Account for barriers when writing
9179 over NEXT_INSN (last_bb->end).
9180 (verify_flow_info): Add check for missing barriers.
9182 2000-03-14 Greg McGary <gkm@gnu.org>
9184 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
9185 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
9186 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
9187 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
9188 __unbounded, __unbounded__): New keywords.
9189 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
9190 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
9191 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
9193 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
9195 * cselib.h: New file.
9196 * alias.c: Include "cselib.h".
9197 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
9198 MEMs as two new arguments.
9199 (get_addr): New static function.
9200 (find_base_term): Handle VALUEs.
9201 (memrefs_conflict_p): Likewise.
9202 (true_dependence): Call get_addr on the addresses.
9203 Call fixed_scalar_and_varying_struct_p with addresses that have been
9204 passed through get_addr and canon_rtx.
9205 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
9206 with true_dependence.
9207 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
9208 * loop.c: Include "cselib.h".
9209 (load_mems): Process extended basic block that enters the loop with
9210 cselib. Use that information to change initialization of the shadow
9211 register so that a constant equivalence is seen by later passes.
9212 * reload1.c: Include "cselib.h".
9213 (reload_cse_invalidate_regno): Delete function.
9214 (reload_cse_mem_conflict_p): Likewise.
9215 (reload_cse_invalidate_mem): Likewise.
9216 (reload_cse_invalidate_rtx): Likewise.
9217 (reload_cse_regno_equal_p): Likewise.
9218 (reload_cse_check_clobber): Likewise.
9219 (reload_cse_record_set): Likewise.
9220 (reg_values): Delete static variable.
9221 (invalidate_regno_rtx): Likewise.
9222 (reload_cse_delete_noop_set): New static function.
9223 (reload_cse_simplify): New static function, broken out of
9225 (reload_cse_noop_set_p): Delete unused argument INSN.
9226 Just call rtx_equal_for_cselib_p on set source and destination.
9227 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
9228 reload_cse_delete_noop_set. Delete code to keep track of values; use
9229 cselib functions instead. Delete code to push/pop obstacks.
9230 (reload_cse_simplify_set): Use cselib to find equivalent values.
9231 Delete code to push/pop obstacks.
9232 (reload_cse_simplify_operands): Likewise.
9233 * rtl.def (VALUE): New rtx code.
9234 * rtl.h (union rtunion_def): New elt rt_cselib.
9235 (X0CSELIB, CSELIB_VAL_PTR): New macros.
9236 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
9237 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
9238 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
9239 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
9240 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
9241 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
9242 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
9243 cselib_record_set, cselib_record_sets): New static functions.
9244 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
9245 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
9246 references_value_p): New functions.
9247 (MAX_USELESS_VALUES, REG_VALUES): New macros.
9248 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
9249 n_useless_values, reg_values, callmem, cselib_obstack,
9250 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
9251 New static variables.
9252 * varray.h (union varray_data_tag): New elt te.
9253 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
9254 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
9257 2000-03-14 Nick Clifton <nickc@cygnus.com>
9259 * gcc.c (do_spec_1): Catch the case where %* is used in a
9260 substitution pattern, but it has not been initialised.
9261 Issue a meaningful error message if an unrecognised operator
9262 is encountered in a spec string.
9264 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
9266 * function.c (prepare_function_start): Correctly initialize
9267 cfun->stack_alignment_needed.
9269 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
9271 * cppfiles.c (find_include_file): Don't assume nshort is a
9274 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
9276 * configure.in (hppa configurations): Add pa32-regs.h to the
9277 list of tm files as appropriate.
9278 * configure: Rebuilt.
9279 * pa.c (compute_frame_size): Remove explicit knowledge about FP
9281 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
9282 (fmpyaddoperands, fmpysuboperands): Likewise.
9283 * pa.h: Remove various definitions which depend on knowing
9284 how registers are numbered.
9285 * pa32-regs.h: New file with PA32 register numbering specific
9288 2000-03-14 Richard Henderson <rth@cygnus.com>
9290 * regmove.c (combine_stack_adjustments): New.
9291 (stack_memref_p, single_set_for_csa): New.
9292 (free_csa_memlist, record_one_stack_memref): New.
9293 (try_apply_stack_adjustment): New.
9294 (combine_stack_adjustments_for_block): New.
9295 * rtl.h (combine_stack_adjustments): Declare.
9296 * toplev.c (rest_of_compilation): Call it.
9298 * i386.md: Revert 2000-01-16 change.
9300 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9302 * gccbug.in: Add web category, gcc specific classes.
9304 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
9306 * stor-layout.c (finalize_record_size): Fix typo.
9308 2000-03-14 Stan Shebs <shebs@apple.com>
9310 * c-typeck.c (c_alignof): Error on incomplete types.
9311 * extend.texi (Alignment): Document this.
9313 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9315 * cppfiles.c: Include mkdeps.h.
9316 (find_include_file, read_include_file): Remove _cpp_ prefix
9317 from name, make static.
9318 (_cpp_execute_include): New function, broken out of
9321 * cpplib.c: Don't include mkdeps.h.
9322 (struct directive): Remove type field. Reorder entries. The
9323 function takes only one argument.
9324 (struct if_stack): Make type field an int.
9325 (directive_table): Rename to dtable. Generate it, the
9326 prototypes of the directive handlers, and the enum for the
9327 directive numbers, from a template macro.
9328 (do_ifndef, do_include_next, do_import): New functions.
9329 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
9330 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
9331 do_ident, do_assert, do_unassert, do_sccs): Take only one
9333 (do_sccs): Define always, but alter behavior based on
9335 (_cpp_handle_directive, consider_directive_while_skipping):
9336 Restructure for new directive table layout.
9338 (pass_thru_directive): Take a directive number, not a pointer
9339 to a struct directive.
9340 (parse_include): New function, broken out of do_include.
9341 (do_include, do_import, do_include_next): Use parse_include
9342 and _cpp_execute_include.
9343 (do_elif, do_else): Test for T_ELSE specifically when checking
9344 for #elif/#else after #else.
9345 (parse_ifdef): New function, broken out of do_ifdef.
9346 (validate_else): Expect a name arg without a leading #.
9347 (if_directive_name): Delete.
9348 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9349 directive handlers with only one argument.
9351 * cpphash.h: Update prototypes.
9352 (enum node_type): Remove entries for directives.
9353 * Makefile.in: Update dependencies.
9355 * cpphash.c (dump_hash_helper): Only dump nodes of type
9356 T_MACRO. Emit a newline after each definition.
9358 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9360 * gccbug.in: New file.
9361 * configure.in (all_outputs): Add gccbug.
9362 * Makefile.in (install-common): Install gccbug.
9363 (GCCBUG_INSTALL_NAME): New variable.
9364 * configure: Rebuilt.
9366 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9368 * function.c (put_var_into_stack): Use type_for_mode to calculate
9369 part_type. Use MEM_SET_IN_STRUCT_P.
9370 * expr.c (store_field): Handle CONCAT.
9371 (store_constructor): Use fields_length.
9372 * tree.c (fields_length): New fn.
9373 * tree.h: Declare it.
9375 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9377 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9378 (cpplex.o): New target.
9379 * po/POTFILES.in: Add cpplex.c.
9381 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9382 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9383 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9384 skip_block_comment, skip_line_comment, skip_comment,
9385 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9386 _cpp_parse_name, skip_string, parse_string,
9387 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9388 _cpp_get_directive_token, find_position,
9389 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9390 (maybe_macroexpand, _cpp_lex_token): New functions.
9392 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9393 parse_goto_mark): Delete.
9394 (_cpp_handle_eof): New function.
9395 (_cpp_handle_directive): Rename from handle_directive.
9396 (_cpp_output_line_command): Rename from output_line_command.
9397 (do_if, do_elif): Call _cpp_parse_expr directly.
9398 * cppfiles.c (_cpp_read_include_file): Don't call
9399 init_input_buffer here.
9400 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9401 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9402 here; pop the token_buffer and skip the rest of the line here.
9403 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9406 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9408 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9409 CPP_GOTO_MARK): New macros.
9410 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9411 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9412 _cpp_read_and_prescan, _cpp_init_input_buffer,
9413 _cpp_grow_token_buffer, _cpp_get_directive_token,
9414 _cpp_handle_directive, _cpp_handle_eof,
9415 _cpp_output_line_command): Prototype them here.
9416 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9417 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9418 quote_string, output_line_command): Remove.
9420 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9422 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9423 whether it is too large we must also verify that it isn't negative.
9425 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9427 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9428 (movsi_zero_liveg0): Remove.
9429 (movsf_insn_novis_liveg0): Remove.
9431 (negsi2_not_liveg0): Rename to negsi2.
9432 (one_cmplsi2): Remove.
9433 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9434 (one_cmplsi2_liveg0): Remove.
9435 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9436 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9437 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9438 (PREDICATE_CODES): Remove zero_operand.
9439 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9440 TARGET_BROKEN_SAVERESTORE.
9441 (zero_operand): Remove.
9442 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9443 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9445 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9446 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9447 TARGET_BROKEN_SAVERESTORE): Remove.
9448 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9450 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9452 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9455 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9457 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9459 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9460 truncating a string. Don't assume tokens are nul terminated.
9461 Problem noted by Andreas Jaeger <aj@suse.de>
9463 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9465 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9466 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9467 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9469 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9471 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9472 STRUCTURE_SIZE_BOUNDARY.
9474 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9476 * tree.h (record_layout_info_s): New structure.
9477 (record_layout_info): New type.
9478 (new_record_layout_info): New function.
9479 (layout_field): Likewise.
9480 (finish_record_layout): Likewise.
9481 * stor-layout.c (layout_record): Remove.
9482 (new_record_layout_info): New function.
9483 (layout_field): New function, broken out from layout_record.
9484 (finalize_record_size): Likewise.
9485 (compute_record_mode): Likewise.
9486 (finalize_type_size): New function, broken out from layout_type.
9487 (finish_record_layout): Likewise.
9488 (layout_type): Use them.
9490 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9492 * cpphash.c: Don't include version.h.
9493 (special_symbol) [case T_VERSION]: Look for the string in
9494 hp->value.cpval; don't use version_string.
9495 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9496 __VERSION__ to version_string.
9497 * Makefile.in (cpphash.o): Update deps.
9499 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9501 Convert cpplib to use libiberty/hashtab.c.
9503 * cpplib.h (struct cpp_reader): Make hashtab and
9504 all_include_files of type 'struct htab *'. Delete HASHSIZE
9505 and ALL_INCLUDE_HASHSIZE macros.
9507 * cpphash.h: Update prototypes.
9508 (struct hashnode): Remove next, prev, and bucket_hdr members.
9509 Make length a size_t. Add hash member.
9510 (struct ihash): Remove next member. Add hash member. Make
9511 name a flexible array member.
9513 * cppfiles.c: Include hashtab.h.
9514 (include_hash): Delete.
9515 (IHASHSIZE): New macro.
9516 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9517 (cpp_included): Do the hash lookup here.
9518 (_cpp_find_include_file): Rewrite.
9519 (cpp_read_file): Put the "fake" hash entry into the hash
9520 table. Honor the control_macro, if it turns out we've seen
9521 the file before. Don't push the buffer here.
9522 (_cpp_read_include_file): Push the buffer here.
9523 (OMODES): New macro. Use it whenever we call open(2).
9525 * cpphash.c: Include hashtab.h.
9526 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9527 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9528 _cpp_lookup_slot): New functions.
9529 (HASHSIZE): new macro.
9530 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9531 (_cpp_lookup): Use hashtab.h routines.
9533 * cppinit.c: Include hashtab.h.
9534 (cpp_reader_init): Call _cpp_init_macro_hash and
9535 _cpp_init_include_hash. Don't allocate hashtab directly.
9536 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9537 pfile->all_include_files.
9538 (initialize_builtins): Use _cpp_make_hashnode and
9539 htab_find_slot to add hash entries.
9540 (cpp_finish): Just call _cpp_dump_macro_hash.
9541 * cpplib.c: Include hashtab.h.
9542 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9543 create hash entries.
9544 (do_pragma_poison, do_assert): Likewise.
9545 (do_include): Don't push the buffer here. Don't increment
9546 system_include_depth unless _cpp_read_include_file succeeds.
9547 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9549 (do_pragma_implementation): Use alloca to create copy.
9551 * Makefile.in: Update dependencies.
9553 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9555 * cppinit.c (cl_directive_handler): More K&R fixing.
9557 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9559 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9561 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9563 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9565 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9566 Change from char[] to macros.
9568 2000-03-12 Neil Booth <NeilB@earthling.net>
9570 * cppinit.c (cpp_start_read): Update indirect function
9573 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9575 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9578 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9579 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9581 2000-03-11 Neil Booth <NeilB@earthling.net>
9583 * cppinit.c (struct pending option): Replace undef with a
9584 pointer to a directive handling routine.
9585 (struct cpp_pending): Replace separate assert_ and define_
9586 lists with one directive_ list.
9587 (new_pending_define): Rename new_pending_directive. Extra
9588 argument is the directive's handling routine.
9589 (handle_option): Update to use new_pending_directive.
9591 2000-03-11 Neil Booth <NeilB@earthling.net>
9593 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9594 remap_filename, _cpp_read_include_file, actual_directory,
9595 hack_vms_include_specification): Replace bcopy(), index() etc
9596 calls. Add casts to some allocations. Make some variables
9597 pointers to const [unsigned] char.
9598 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9599 collect_formal_parameters): Similarly.
9600 * cppinit.c (struct pending_option, append_include_chain,
9601 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9602 cpp_start_read, new_pending_define, handle_option): Similarly.
9603 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9604 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9605 do_pragma_implementation, detect_if_not_defined,
9606 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9607 do_assert, do_unassert): Similarly.
9608 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9609 function prototypes.
9610 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9612 2000-03-10 Richard Henderson <rth@cygnus.com>
9614 * builtins.c (expand_builtin_strlen): Revert last change.
9615 Use emit_insn_before if we're at the beginning of a sequence.
9617 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9619 * builtins.c (expand_builtin_strlen): Make sure that we have something
9620 at the beginning of the sequence.
9622 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9625 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9627 2000-03-10 Richard Henderson <rth@cygnus.com>
9629 * except.c (can_throw): Use INTVAL on a CONST_INT.
9630 (reachable_handlers): Likewise.
9631 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9633 2000-03-10 Andreas Jaeger <aj@suse.de>
9635 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9636 MD_STARTFILE_PREFIX since those are not needed on linux.
9637 (ASM_FILE_START): New, from mips/gnu.h.
9639 2000-03-09 Richard Henderson <rth@cygnus.com>
9640 Alex Samuel <samuel@codesourcery.com> and others
9642 * Makefile.in (ssa.o): New rule.
9644 (STAGESTUFF): Add *.ssa and *.ussa.
9645 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9646 * rtl.def (PHI): New RTL expression.
9647 * rtl.h (clear_log_links): New declaration.
9648 (convert_to_ssa): Likewise.
9649 (convert_from_ssa): Likewise.
9650 * flow.c (split_edge): If the entry node falls through to the
9651 split edge's source block, split the entry edge.
9652 (clear_log_links): New function.
9653 * toplev.c (ssa_dump): New variable.
9654 (flag_ssa): Likewise.
9655 (f_options): Add "ssa".
9656 (compile_file): Create SSA dump files.
9657 (rest_of_compilation): Go to and from SSA if enabled.
9658 (decide_d_option): Handle -de for SSA dump files.
9661 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9663 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9666 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9668 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9670 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9672 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9673 (MD_STARTFILE_PREFIX_1): New macro.
9675 2000-03-09 Robert Lipe <robertl@sco.com>
9677 * config/ia64/ia64.c: Include system.h.
9679 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9681 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9682 (init_eh_nesting_info): Likewise.
9684 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9685 (TREE_NOTHROW): Rename from TREE_RAISES.
9686 * toplev.c (rest_of_compilation): Set it.
9687 * print-tree.c (print_node): Adjust.
9688 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9689 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9690 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9691 REG_EH_REGION note as appropriate.
9692 (libfunc_nothrow): New fn.
9693 (emit_library_call, emit_library_call_value): Use it.
9694 (expand_call): Check TREE_NOTHROW.
9696 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9697 DECL_ASSEMBLER_NAME.
9699 2000-03-09 Andreas Jaeger <aj@suse.de>
9701 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9702 (TARGET_MEM_FUNCTIONS): Define.
9704 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9706 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9708 * except.c (can_throw): See through a SEQUENCE.
9709 (nothrow_function_p): New fn.
9710 * except.h: Declare it.
9711 * function.c (current_function_nothrow): New var.
9712 (prepare_function_start): Initialize it.
9713 * output.h: Declare it.
9714 * toplev.c (rest_of_compilation): Set it.
9715 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9717 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9719 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9720 match. (cpp_compare_defs): Count the nul separator when
9721 advancing over argument names.
9723 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9725 * recog.c (preprocess_constraints): Matching constraints affect
9726 same alternative/different operand, not same operand/different
9729 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9730 register and a constant specially.
9732 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9734 * libgcc2.h: New file.
9735 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9737 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9739 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9740 * configure: Regenerate.
9743 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9745 * Makefile.in (LIBCPP_DEPS): New macro.
9746 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9748 * cpperror.c: Include cpphash.h.
9749 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9751 (lex): Don't use CPP_WARN_UNDEF.
9752 (_cpp_parse_expr): Return an int, the truth value.
9753 * cppfiles.c: Include cpphash.h.
9754 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9755 * cppinit.c (include_defaults_array): Disentangle.
9756 (cpp_cleanup): Don't free the if stack here.
9757 (cpp_finish): Pop off all buffers, not just one.
9758 * cpplib.c (eval_if_expr): Return int.
9759 (do_xifdef): Rename do_ifdef.
9760 (handle_directive): Don't use CPP_PREPROCESSED.
9761 (cpp_get_token): Don't use CPP_C89.
9762 * fix-header.c: Don't use CPP_OPTIONS.
9764 * cpplib.h: Move U_CHAR, enum node_type, struct
9765 file_name_list, struct ihash, is_idchar, is_idstart,
9766 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9767 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9768 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9769 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9770 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9771 of _cpp_simplify_pathname, _cpp_find_include_file,
9772 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9773 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9775 Change all uses of U_CHAR to be unsigned char instead.
9776 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9778 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9780 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
9781 (dwarf2out_begin_prologue): Set it.
9782 (output_call_frame_info): Don't emit EH unwind info for leaves.
9784 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
9785 can occur outside of an EH region.
9786 * except.c: Correct comments about rethrow behavior.
9787 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
9789 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
9791 * flow.c (make_edges): Always call make_eh_edge for calls.
9793 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9795 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
9796 (struct cpp_buffer): Remove fname and underflow fields.
9797 (struct cpp_reader): Remove get_token field.
9798 (struct include_hash): Rename to struct ihash. Add typedef to
9800 (struct if_stack): Remove fname field.
9801 (IF_STACK_FRAME): Rename to IF_STACK.
9803 * cpperror.c (print_containing_files): Trust that there are no
9804 macro buffers below the top file buffer.
9805 * cppfiles.c: Replace all references to 'struct include_hash'
9806 with 'IHASH'. Rename initialize_input_buffer to
9807 init_input_buffer. Don't set or reference cpp_buffer->fname,
9808 use buffer->ihash->name instead.
9809 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
9810 not CPP_NULL_BUFFER.
9811 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
9812 IF_STACK_FRAME, IHASH not struct include_hash.
9813 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
9814 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
9815 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
9816 references to cpp_buffer->fname (delete entirely, or use
9817 ->ihash->name instead) and IF_STACK->fname.
9818 (cpp_push_buffer): Don't set new->underflow.
9819 (do_include): Use cpp_file_buffer.
9821 * cpphash.c (collect_formal_parameters): Remove duplicate
9822 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
9823 used as a macro argument name. Don't append "..." to namebuf
9824 for varargs macros. After we're done scanning, go through
9825 namebuf and make it NUL separated, not comma separated.
9826 (_cpp_compare_defs): Remove register tag from variables.
9827 Expect defn->argnames to be NUL separated.
9828 (_cpp_dump_definition): Expect defn->argnames to be NUL
9829 separated and in forward order.
9830 * cpphash.h: Update documentation of argnames field.
9832 2000-03-08 Richard Henderson <rth@cygnus.com>
9834 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
9835 to fail. Don't pre-expand the source operand.
9837 * i386.md (strlensi): Initialize eoschar and align before use.
9839 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9841 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
9842 CONSTRUCTOR element.
9844 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9846 * mips.c (mips_expand_prologue): If the last
9847 named argument is the vararg marker "va_list", treat it as
9848 an unnamed argument.
9850 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
9852 * dbxout.c (dbxout_parms): When correcting for promoted
9853 big-endian parameters, use the mode of the DECL_RTL rather
9854 than UNITS_PER_WORD.
9856 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
9858 * c-common.h (make_fname_decl): Declare.
9859 * c-common.c (make_fname_decl): Define.
9860 (declare_hidden_char_array): Remove.
9861 (declare_function_name): Use make_fname_decl.
9862 * c-decl.c (c_make_fname_decl): New function.
9863 (init_decl_processing): Set make_fname_decl.
9865 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
9867 * cccp.c (handle_directive): Initialize backslash_newlines_p.
9869 2000-03-07 Philipp Thomas <pthomas@suse.de>
9871 * po/POTFILES.in: Remove cppalloc.c from file list.
9873 2000-03-07 Steve Chamberlain <sac@pobox.com>
9875 * pj.c (pj_expand_prologue): current_function->args_info is
9876 now current_function_args_info.
9878 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
9879 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
9880 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
9882 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9884 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
9885 output as hexadecimal rather than the default octal.
9887 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9889 * cpphash.c (special_symbol): Fix thinko in previous commit.
9891 2000-03-07 Neil Booth <NeilB@earthling.net>
9893 * cppexp.c (struct operation, left_shift, right_shift,
9894 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
9895 "int"s to "unsigned int"s.
9896 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
9898 * cpplib.h: Update for above.
9899 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
9900 returned from allocations.
9902 * cppinit.c (opt_comp, parse_options): New functions.
9903 (handle_option): Use parse_option to parse a single command
9904 line option, that possibly takes an argument.
9905 (cpp_handle_options): Sort the array of command line options on
9906 first invocation (non-ASCII hosts only).
9907 (print_help): Update.
9909 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9911 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
9912 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
9914 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
9916 * cppinit.c (cpp_cleanup): Free imp->nshort also.
9918 * cpperror.c (cpp_print_containing_files,
9919 cpp_print_file_and_line, v_cpp_message): Rename to
9920 print_containing_files, print_file_and_line, and v_message.
9921 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
9922 to _cpp_parse_expr, parse_escape, and lex.
9923 (parse_charconst): Remove broken multibyte support.
9924 * cppfiles.c (include_hash): Make static.
9925 (cpp_included): New function.
9926 (merge_include_chains, find_include_file, finclude,
9927 simplify_pathname): Rename to _cpp_merge_include_chains,
9928 _cpp_find_include_file, _cpp_read_include_file, and
9929 _cpp_simplify_pathname.
9930 * cpphash.c (cpp_lookup, free_definition, delete_macro,
9931 cpp_install, create_definition, macroexpand, compare_defs,
9932 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
9933 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
9934 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
9935 * cppinit.c (cpp_handle_option): Rename to handle_option, make
9937 * cpplib.c: Remove extern prototype of cpp_parse_expr.
9939 * cpphash.h: Update prototypes.
9940 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
9942 2000-03-07 Andrew Haley <aph@cygnus.com>
9944 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
9945 PTRDIFF_TYPE should be based solely on Pmode.
9948 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9950 * rtl.h (rtunion_def): Constify member `rtstr'.
9951 (emit_line_note_after, emit_line_note, emit_line_note_force,
9952 emit_note, decode_asm_operands): Constify.
9954 * cse.c (canon_hash): Likewise.
9956 * dbxout.c (dbxout_block): Likewise.
9958 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
9959 v_warning_for_asm): Likewise.
9961 * dwarfout.c (function_start_label): Likewise.
9963 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
9964 emit_line_note_force): Likewise.
9966 * final.c (last_filename, asm_insn_count, final_scan_insn,
9967 output_source_line): Likewise.
9969 * function.h (struct emit_status): Likewise.
9971 * gcse.c (hash_expr_1): Likewise.
9973 * genattr.c (gen_attr, main): Likewise.
9975 * genattrtab.c (struct function_unit, current_alternative_string,
9976 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
9977 attr_numeral, check_attr_test, check_attr_value,
9978 convert_set_attr_alternative, convert_set_attr,
9979 compute_alternative_mask, simplify_by_exploding, gen_attr,
9980 gen_unit): Likewise.
9982 * genflags.c (gen_insn): Likewise.
9984 * gengenrtl.c (type_from_format): Likewise.
9986 * genopinit.c (gen_insn): Likewise.
9988 * genoutput.c (n_occurrences, process_template, process_template):
9991 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9994 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9997 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
9998 ggc_set_mark, ggc_get_size): Likewise.
10000 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
10002 * optabs.c (init_one_libfunc): Likewise.
10004 * output.h (assemble_start_function): Likewise.
10006 * recog.c (decode_asm_operands): Likewise.
10008 * toplev.c (rest_of_compilation): Likewise.
10010 * tree.h (emit_line_note_after, emit_line_note,
10011 emit_line_note_force): Likewise.
10013 * varasm.c (asm_output_bss, asm_output_aligned_bss,
10014 asm_emit_uninitialised, assemble_start_function,
10015 assemble_variable, const_hash, compare_constant_1,
10016 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
10018 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
10020 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
10022 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
10024 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
10026 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
10027 arm_dllimport_name_p): Likewise.
10029 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
10032 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
10034 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10036 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
10037 arm_mark_dllexport, arm_mark_dllimport,
10038 arm_pe_encode_section_info): Likewise.
10040 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
10041 ASM_FINISH_DECLARE_OBJECT): Likewise.
10043 * arm/thumb.c (thumb_function_prologue): Likewise.
10045 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
10047 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10049 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
10051 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
10053 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10055 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10057 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
10058 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
10060 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
10062 * i386/i386.c (asm_output_function_prefix): Likewise.
10064 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
10066 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10068 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
10070 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
10071 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
10072 ASM_OUTPUT_SECTION_NAME): Likewise.
10074 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
10076 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
10078 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
10080 * m32r/m32r.c (m32r_encode_section_info): Likewise.
10082 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10084 * mcore/mcore.c (mcore_encode_section_info): Likewise.
10086 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10088 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10090 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10092 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
10094 * mips/mips.md (movdi, movsi): Likewise.
10096 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10098 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10100 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10102 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10103 ASM_OUTPUT_ASCII): Likewise.
10105 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
10106 output_mi_thunk, output_toc): Likewise.
10108 * rs6000/rs6000.md (movsi): Likewise.
10110 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
10112 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
10114 * v850/v850.c (print_operand, print_operand_address,
10115 v850_encode_data_area): Likewise.
10117 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
10119 * config/mips/mips.md (zero_extendsidi2): Always force operand
10120 one to memory for mips16.
10122 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10124 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
10125 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
10126 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
10127 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
10128 (min_precision): Result is unsigned.
10129 (add_double, neg_double, mul_double): Low word is unsigned.
10130 (lshift_double, rshift_double, lrotate_double): Likewise.
10131 (rrotate_double, div_and_round_double): Likewise.
10132 (tree_floor_log2, compare_tree_int): New functions.
10133 (preserve_rtl_expr_temps): New declaration.
10134 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
10135 (decl_attributes): Use tree_log2 to find alignment.
10136 Check for TREE_INT_CST_HIGH for format args.
10137 (min_precision): Now unsigned.
10138 Use tree_floor_log2.
10139 (truthvalue_conversion): Delete long-disabled code.
10140 * c-decl.c (finish_struct): Clean up tests on field width.
10141 (finish_function): Use compare_tree_int.
10142 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
10143 * c-typeck.c (comptypes): Use tree_int_cst_equal.
10144 (default_conversion, digest_init): Use compare_tree_int.
10145 (build_binary_op): Use integer_all_onesp and compare_tree_int.
10146 Fix type errors in forming masks.
10147 * calls.c (initialize_argument_information): Use compare_tree_int.
10148 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10149 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
10150 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
10151 (store_field): Use compare_tree_int.
10152 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
10153 (expand_expr, case ARRAY_REF): Use compare_tree_int.
10154 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
10155 (do_store_flag): Use compare_tree_int.
10156 * fold-const.c (encode, decode): Low part is always unsigned.
10157 (force_fit_type, add_double, neg_double, mul_double): Likewise.
10158 (lshift_double, rshift_double, lrotate_double): Likewise.
10159 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
10160 (fold_convert): Use compare_tree_int.
10161 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
10162 (invert_truthvalue, case INTEGER_CST): Likewise.
10163 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
10164 * mkdeps.c (deps_dummy_targets): Make I unsigned.
10165 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
10166 (lshift_double, rshift_double, lrotate_double, rrotate_double):
10168 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
10169 (expand_end_case): Use compare_tree_int.
10170 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10171 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
10172 (layout_decl): Likewise.
10173 (layout_record, layout_union): Make sizes unsigned.
10174 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
10175 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
10176 * tree.c (struct type_hash): hashcode is unsigned.
10177 (build_type_attribute_variant, type_hash_list): Likewise.
10178 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
10179 (attribute_hash_list, build_array_type, build_method_type): Likewise.
10180 (build_complex_type): Likewise.
10181 (real_value_from_int_cst): Remove unneeded casts.
10182 (integer_all_onesp): Add casts.
10183 (tree_floor_log2, compare_tree_int): New functions.
10184 (build_index_type): Use tree_int_cst_sgn.
10185 * varasm.c (assemble_variable): Use compare_tree_int.
10187 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
10189 * cpphash.c (collect_expansion): Also catch ## at start of macro.
10191 * varasm.c (make_decl_rtl): Don't add a number to members of
10193 (make_function_rtl): Likewise.
10195 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10197 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
10198 patch from 2000-01-28.
10200 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
10202 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
10203 filled with an insn from the jump target.
10205 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10207 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
10208 (c4x_external_ref): Likewise.
10209 * config/c4x/c4x.c (struct name_list): Likewise.
10211 1999-12-16 Ben Collins <bcollins@debian.org>
10213 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
10214 argument to genmultilib.
10215 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
10216 the contents into the multilib.h header.
10217 * gcc.c: Declare multilib_exclusions for the specs file.
10218 (set_multilib_dir): Use it.
10219 (print_multilib_info): Likewise.
10220 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
10221 to pass to genmultilib.
10223 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10225 * builtins.c (built_in_class_names, built_in_names): Constify a
10228 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
10230 (_mcleanup): Ensure value matches format specifier in sprintf.
10232 * cpphash.c (special_symbol): Don't needlessly cast away
10235 * cppinit.c (base_name): Delete unused prototype.
10237 * mkdeps.c (deps_init): Make definition K&R safe.
10239 * tree.h (built_in_class_names, built_in_names): Constify a
10242 2000-03-06 Jakub Jelinek <jakub@redhat.com>
10244 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
10245 floating point instructions for epilogue delay.
10247 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
10248 to gas if it supports .register pseudo.
10250 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
10251 LONG_DOUBLE_TYPE_SIZE if not defined.
10252 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
10253 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
10254 * real.c: Likewise.
10255 * gengenrtl.c: Likewise.
10256 * print-rtl.c: Likewise.
10258 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
10259 MASK_LONG_DOUBLE_128.
10260 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
10261 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
10262 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
10263 (SUBTARGET_SWITCHES): Define.
10264 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
10265 with -mlong-double-128.
10266 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10267 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10268 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10269 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
10270 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
10271 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
10272 with -mlong-double-128.
10273 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10274 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10275 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10276 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
10277 TARGET_LONG_DOUBLE_128): Define.
10278 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
10279 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
10280 long double on TARGET_ARCH64.
10282 2000-03-06 Mark Mitchell <mark@codesourcery.com>
10284 * function.c (free_temps_for_rtl_expr): Don't free slots
10285 that have been pushed into a higher level.
10288 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10290 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10292 * basic-block.h (ALLOCA_REG_SET): Remove.
10293 (INITIALIZE_REG_SET): New macro.
10294 * flow.c (update_life_info): Use it.
10295 (calculate_global_regs_live): Likewise.
10296 (propagate_block): Likewise.
10297 * global.c (build_insn_chain): Likewise.
10298 * haifa-sched.c (schedule_region): Likewise.
10300 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
10302 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
10303 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
10304 (DWARF_ARANGES_PAD_SIZE): New define.
10305 (output_aranges): Use it to pad the address range header.
10306 (DWARF_ROUND): Fix for non power of 2 rounding.
10308 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
10310 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
10312 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10314 * tree.def (RTL_EXPR): Update documentation.
10315 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
10316 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
10317 * function.c (preserve_rtl_expr_temp): New function.
10318 (preserve_rtl_expr_temps): Likewise.
10319 (preserve_rtl_expr_result): Use it.
10322 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10324 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
10326 * regmove.c (copy_src_to_dest) Do not create src->dest move
10327 for unchanging destination.
10329 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10331 * function.h (struct sequence_stack): Remove rtl_expr.
10332 (struct emit_staus): Likewise.
10333 (seq_rtl_expr): Remove.
10334 * tree.h (free_temps_for_rtl_expr): Don't declare.
10335 (start_sequence_for_rtl_expr): Likewise.
10336 * rtl.h (preserve_rtl_expr_result): Likewise.
10337 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10338 (start_sequence_for_rtl_expr): Remove.
10339 (push_topmost_sequence): Don't save sequence_rtl_expr.
10340 (pop_topmost_sequence): Remove comment about not restoring it.
10341 (end_sequence): Don't set seq_rtl_expr.
10342 (init_emit): Don't initialize it.
10343 (mark_sequence_stack): Don't mark it.
10344 (mark_emit_status): Likewise.
10345 * except.c (protect_with_terminate): Use
10346 start_sequence_for_rtl_expr, not start_sequence.
10347 * expr.c (expand_expr, case RTL_EXPR): Don't call
10348 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10349 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10350 (preserve_rtl_expr_result): Remove.
10351 (free_temps_for_rtl_expr): Likewise.
10352 (pop_temp_slots): Likewise.
10353 (mark_temp_slot): Don't mark the rtl_expr.
10354 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10355 start_sequence_for_rtl_expr.
10357 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10359 * mkdeps.c, mkdeps.h: New files.
10360 * po/POTFILES.in: Add them.
10361 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10362 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10363 (mkdeps.o): New target.
10365 * cppfiles.c: Delete deps_output.
10366 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10367 OBJECT_SUFFIX, and base_name.
10368 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10370 (initialize_dependency_output): Use deps_init,
10371 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10372 all the unnecessary string bashing.
10373 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10375 * cpplib.c (do_include): Use deps_add_dep.
10376 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10377 deps_allocated_size, deps_size, deps_column members with
10378 single pointer to a struct deps. Delete prototype of
10381 * cppinit.c: Fix thinko in previous patch.
10383 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10385 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10386 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10387 (mode_for_size_tree): New function.
10388 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10389 * tree.h (mode_for_size_tree): New declaration.
10391 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10393 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10395 * stmt.c (is_body_block): Move...
10396 * dwarfout.c, dwarf2out.c: ...from here.
10397 * tree.h: Declare it.
10398 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10399 * final.c (final_start_function): Do call remove_unnecessary_notes
10402 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10404 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10406 * cpplib.h (_dollar_ok): New macro.
10407 (is_idchar, is_idstart): Use it.
10408 (IStable): Rename to _cpp_IStable. Declare it const if
10409 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10410 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10411 is_space): Update for renamed IStable.
10413 * cppinit.c: Delete all references to FAKE_CONST and CAT
10414 macros. Define init_IStable as empty macro if gcc >=2.7 or
10415 C99. Change TABLE() to ISTABLE and hardcode name of table.
10416 (cpp_start_read): Don't change the IStable based on
10419 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10420 changed. Handle '$' for char1 correctly.
10421 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10423 * cppexp.c (tokentab2): Make const.
10424 (cpp_lex): Make toktab const.
10425 * cppinit.c (include_defaults_array): Make const.
10426 (initialize_standard_includes): Make default_include const.
10428 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10430 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10431 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10432 (gen_decl_die): Likewise.
10433 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10434 (output_decl): Likewise.
10436 * varasm.c (make_function_rtl): If we change the name used in the
10437 rtl, update DECL_ASSEMBLER_NAME accordingly.
10438 (make_decl_rtl): Likewise.
10440 * toplev.c (rest_of_compilation): Tweak formatting.
10442 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10443 remove_unnecessary_notes.
10444 (debug_ignore_block): New fn.
10445 * toplev.h: Declare it.
10446 * emit-rtl.c (remove_unncessary_notes): Call it.
10447 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10448 * dwarf2out.h: Declare it.
10449 * final.c (final_start_function): Don't call remove_unnecessary_notes
10450 if we did insn scheduling.
10452 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10454 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10455 * cpplib.h: Delete SET_CPP_PEDANTIC.
10457 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10459 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10460 result is a RECORD_TYPE.
10462 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10464 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10466 2000-03-03 Richard Henderson <rth@cygnus.com>
10468 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10469 addition over compliments over shifts.
10471 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10473 * reload1.c (reload_combine_note_use): Handle return register USEs.
10474 REG case: Handle multi-hard-register hard regs.
10476 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10478 * md.texi: Document use of '*' in insn pattern name.
10480 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10482 * calls.c (special_function_p): operator new may not be malloc-like.
10484 * gcse.c (dump_hash_table): Really fix error in last change.
10486 2000-03-02 Denis Chertykov <denisc@overta.ru>
10488 * avr.c (print_operand): Use print_operand_address instead of
10490 * avr/libgcc.S: Cleanup code.
10492 2000-03-02 Richard Henderson <rth@cygnus.com>
10494 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10496 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10498 * tree.h (TYPE_ALIGN_UNIT): New macro.
10500 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10502 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10504 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10506 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10508 (SET_CPP_PEDANTIC): New macro.
10509 * cpplib.c (do_include): Don't bother checking system_header_p.
10510 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10511 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10513 * function.h (struct expr_status): Add x_arg_space_so_far.
10514 (arg_space_so_far): New macro.
10515 * expr.c (init_expr): Initialize it.
10516 * calls.c (emit_call_1): Reset it.
10517 (compute_argument_block_size, expand_call): Use it.
10518 (expand_call, store_one_arg): Increment it.
10520 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10522 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10525 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10527 * cppfiles.c (cpp_read_file): New function.
10529 * cpphash.c (collect_expansion): Make sure to reset last_token
10530 to NORM when we hit a string. Handle trailing whitespace
10531 properly when the expansion is empty.
10532 (create_definition): Disable line commands while parsing the
10534 (dump_definition): If pfile->lineno == 0, output a line
10535 command ahead of the dump, and add a trailing newline.
10537 * cppinit.c (append_include_chain): Add fifth argument, which
10538 indicates whether or not system headers are C++ aware.
10539 (initialize_standard_includes): New function,
10540 broken out of read_and_prescan. Pass 'cxx_aware' value from
10541 the include_defaults_array on to append_include_chain.
10542 (dump_special_to_buffer): Const-ify char array.
10543 (builtin_array): Don't dump __BASE_FILE__.
10544 (cpp_start_read): Use cpp_read_file. Reorder code for
10545 clarity. Don't output line commands here for -D/-A/-U
10546 switches. Don't call deps_output for files included with
10547 -include or -imacros.
10549 * cpplib.c (do_define): Don't pay any attention to the second
10551 (cpp_expand_to_buffer): Disable line commands while scanning.
10552 (output_line_command): Work in the file buffer.
10553 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10554 Fix formatting of comments. Prototype cpp_read_file.
10556 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10558 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10559 reference the language-equivalent of sizetype.
10560 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10561 * fold-const.c (size_binop, size_diffop): Put back checks.
10562 * gcse.c (dump_hash_table): Fix minor error in last change.
10563 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10564 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10567 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10569 * calls.c (expand_call) Do not attempt to combine stack adjustments
10570 with inhibit_defer_pop set.
10572 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10574 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10575 the DECL_SIZE for a FIELD_DECL.
10577 2000-03-01 Bruce Korb <bkorb@gnu.org>
10579 * fixinc/inclhack.tpl: remove unused symlinks
10580 * fixinc/README: GCC Maintainer info
10581 * fixinc/inclhack.sh: regen
10582 * fixinc/fixincl.sh: regen
10584 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10586 * cpphash.c (collect_expansion): Trim trailing white space
10587 from macro definitions, but don't go past the last insertion
10590 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10592 * i386.md (mulqi3): New pattern.
10594 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10596 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10598 (struct cpp_reader): Add parsing_if_directive and
10599 parsing_define_directive flags.
10600 (struct cpp_options): Remove output_conditionals flag.
10601 (check_macro_name): Delete prototype.
10603 * cpphash.h (struct macrodef): Delete.
10604 (struct reflist): Separate from struct definition.
10605 (struct definition): Remove unused fields. Add column number.
10606 (create_definition): Returns a DEFINITION *. Takes a
10607 cpp_reader * and an int.
10609 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10610 (PEEKC): Copy defn from cpplib.c.
10611 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10613 (struct arglist): Simplify.
10614 (collect_expansion): Rewrite. Get tokens by calling
10615 cpp_get_token. Add more error checking.
10616 (collect_formal_parameters): New function, broken out of
10617 create_definition and reworked to use get_directive_token.
10618 (create_definition): All real work is now in collect_expansion
10619 and collect_formal_parameters. do_define handles finding the
10620 macro name. Return a DEFINITION, not a MACRODEF.
10621 (macroexpand): Replace bcopy with memcpy throughout. Replace
10622 character-at-a-time copy loop with memcpy and pointer increments.
10623 (compare-defs): d1->argnames / d2->argnames might be null.
10625 * cpplib.c (copy_rest_of_line): Delete function.
10626 (skip_rest_of_line): Do all the work ourselves.
10627 (skip_string): New function.
10628 (parse_string): Use skip_string.
10629 (get_macro_name): New function.
10630 (check_macro_name): Delete.
10631 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10632 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10633 (handle_directive): ICE if we're called on a macro buffer.
10634 (do_define): Determine macro name and type (funlike/objlike)
10635 here. Expunge all uses of MACRODEF.
10636 (cpp_push_buffer): Set line_base to NULL.
10637 (do_undef, read_line_number): Don't worry about getting a POP token.
10638 (eval_if_expression): Set/reset parsing_if_directive around
10639 cpp_parse_expr. Don't clear only_seen_white.
10640 (skip_if_group): Remove output_conditionals logic. Use
10642 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10643 tokens under appropriate conditions.
10644 (cpp_unassert): Call do_unassert not do_assert. Oops.
10646 * cppexp.c (parse_defined): New function, break out of
10648 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10649 ourselves, with cpp_defined.
10650 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10652 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10653 * gcc.dg/strpaste-2.c: New.
10655 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10657 * fold-const.c (size_binop): Don't asert inputs are the same and
10658 have TYPE_IS_SIZETYPE set.
10659 (size_diffop): Likewise.
10661 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10663 * dwarfout.c (output_block): Output abstract blocks even if they
10664 don't have TREE_ASM_WRITTEN set.
10666 * calls.c (emit_library_call): Check for null REG.
10668 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10670 * c-decl.c (current_function_decl): Move to toplev.c.
10671 (init_decl_processing): Don't add current_function_decl as a ggc
10673 * dbxout.c (dbxout_symbol): Change return type to int.
10674 (dbxout_symbol_location, dbxout_syms): Likewise.
10675 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10676 any locals. Use current_function_func_begin_label if set.
10677 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10678 * dwarf2out.c (dwarf2out_begin_prologue): Set
10679 current_function_func_begin_label.
10680 * final.c (final_start_function): Reset it.
10681 * toplev.c (current_function_decl): Define it here.
10682 (current_function_func_begin_label): New variable.
10683 (main): Add both as ggc roots.
10684 * tree.h (current_function_func_begin_label): Declare.
10686 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10688 * gcse.c: Cleanups throughout: mostly white-space, but also
10689 some minor rearrangement of code.
10691 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10693 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10694 returns a PARALLEL. Use emit_group_load and use_group_regs
10696 (emit_library_call_value): Similarly.
10698 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10699 * pa/quadlib.asm: Remove.
10700 * pa/quadlib.c: New file.
10702 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10703 * configure: Rebuilt.
10705 2000-02-29 Philip Blundell <pb@futuretv.com>
10707 * config/arm/conix-elf.h: New file.
10708 * configure.in (arm*-*-conix*): New configuration.
10709 * configure: Regenerate.
10711 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10713 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10714 don't have TREE_ASM_WRITTEN set.
10716 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10718 * Eliminate DECL_FIELD_SIZE.
10719 * builtins.c (built_in_class_names, built_in_names): New variables.
10720 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10721 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10722 DECL_SIZE, not DECL_FIELD_SIZE.
10723 * print-tree.c (print_node): Remove code that prints extra blank
10724 lines in some cases.
10725 Properly handle inline and builtin function cases.
10726 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10727 * tree.h (built_in_class_named, built_in_names): New declarations.
10728 (union tree_decl): Rename internal unions to u1 and u2 and change
10729 some of their components.
10730 Add new field built_in_class.
10731 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10732 Reflect above changes.
10733 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10734 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10735 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10736 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10738 2000-02-28 Dmitri Makarov <dim@windriver.com>
10740 * extend.texi: Document ARM's support for long/short calls.
10742 * invoke.texi: Document ARM's -mlong-calls command line switch.
10744 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10745 (arm_encode_call_attribute): Add prototype.
10746 (arm_set_default_type_attribute): Add prototype.
10747 (arm_strip_name_encoding): Add prototype.
10749 * config/arm/arm.c (arm_init_cumulative_args): replace
10750 initialisation og 'long_calls' field with initialisation of
10751 'call_cookie' field.
10752 (enum arm_pragma_enum): New enum.
10753 (arm_pragma_long_calls): New static variable.
10754 (arm_process_pragma): Also process "#pragma long_calls_off".
10755 (arm_valid_type_attribute_p): Accept short_call attribute.
10756 (arm_comp_type_attributes): Check long/short call attributes.
10757 (arm_encode_call_attribute): New function: Encode long_call
10758 or short_call attribute in function name.
10759 (arm_set_default_type_attributes): New function: Assign
10760 default attributes to newly defined type.
10761 (current_file_function_operand): New function: Return true if
10762 the symbol is a function which has already been compiled.
10763 (arm_is_longcall_p): New function: Return true if the
10764 indicated function should be called via a long call.
10765 (arm_get_strip_length): New function. Returns number of
10766 prefix characters to be stripped from a function's name.
10767 (arm_strip_name_encoding): New function. Strip prefix characters
10768 from a function's name.
10770 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10771 with 'call_cookie'.
10772 (SHORT_CALL_FAG_CHAR): Define.
10773 (LONG_CALL_FAG_CHAR): Define.
10774 (ENCODED_SHORT_CALL_ATTR_P): Define.
10775 (ENCODED_LONG_CALL_ATTR_P): Define.
10776 (ARM_NAME_ENCODING_LENGTHS): Define.
10777 (STRIP_NAME_ENCODING): Define.
10778 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10779 (ARM_ENCODE_CALL_TYPE): Define.
10780 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
10781 (ARM_DECLARE_FUNCTION_SIZE): Define.
10782 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
10784 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
10785 if a long call is needed.
10786 (call_value): Ditto.
10787 (call_symbol): Ditto.
10789 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
10790 ARM_DECLARE_FUNCTION_SIZE.
10792 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
10793 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
10794 (ARM_STRIP_NAME_ENCODING): Undefine.
10795 (STRIP_NAME_ENCODING): Undefine.
10796 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
10797 (ASM_DECLARE_FUNCTION_NAME): Ditto.
10798 (ASM_OUTPUT_COMMON): Ditto.
10799 (ASM_DECLARE_OBJECT_NAME): Ditto.
10801 * config/arm/pe.c (arm_dllexport_name_p): Check for
10803 (arm_dllimport_name_p): Ditto.
10804 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
10805 (arm_mark_dllimport): Ditto.
10807 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10809 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
10811 2000-02-28 Mark Mitchell <mark@codesourcery.com>
10813 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
10815 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
10817 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
10818 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
10819 NO_BUILTIN_WCHAR_TYPE is not defined.
10820 (CPP_WCHAR_TYPE): Delete.
10821 * cccp.c (main): Don't change wchar_type if cplusplus.
10822 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
10824 2000-02-28 Nick Clifton <nickc@cygnus.com>
10826 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
10828 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
10830 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
10831 (ASM_WEAKEN_LABEL): Define.
10833 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
10835 * expr.c (store_constructor): Do not emit USE.
10836 * rtl.h (stupid_life_analysis): Remove.
10838 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10840 * function.c (number_blocks): Reset next_block_index based on
10841 what debugging format is used, not what is defined.
10843 * lcm.c: Minor reformatting throughout.
10844 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
10846 * toplev.c (rest_of_compilation): Account for time in
10847 optimize_mode_switching.
10849 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
10850 if only marking labels.
10852 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
10854 * calls.c (expand_call): Attempt to combine stack adjustments with
10855 pending stack adjustments.
10857 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10859 * loop.c (reg_in_basic_block_p): Don't abort when falling through
10860 to the end of the function.
10862 2000-02-27 Mark Mitchell <mark@codesourcery.com>
10864 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
10866 * final.c (next_block_index): Remove.
10867 (max_block_depth): Likewise.
10868 (pending_blocks): Likewise.
10869 (init_final): Don't initialize them.
10870 (final_start_function): Don't set next_block_index. Set up
10872 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
10873 * function.h (number_blocks): New function.
10874 * function.c (get_block_vector): New function.
10875 (identify_blocks): Use it.
10876 (reorder_blocks): Set NOTE_BLOCK.
10877 (number_blocks): New function.
10878 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
10879 * tree.h (BLOCK_NUMBER): New macro.
10880 (tree_block): Add block_num field.
10881 * dbxout.c (next_block_number): Remove.
10882 (dbxout_init): Don't set it.
10883 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
10884 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
10886 * toplev.c (rest_of_compilation): Always call
10887 find_loop_tree_blocks. Fix indentation.
10888 * dwarf2out.c (next_block_number): Remove.
10889 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10890 to determine block numbers.
10891 (gen_inlined_subroutine_die): Likewise.
10892 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
10893 (decls_for_scope): Don't increment next_block_number.
10894 * dwarfout.c (next_block_number): Remove.
10895 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10896 to determine block numbers.
10897 (output_inlined_subroutine_die): Likewise.
10898 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
10899 (output_decls_for_scope): Don't increment next_block_number.
10900 * sdbout.c (next_block_number): Remove.
10901 (sdbout_block): Use BLOCK_NUMBER.
10902 (sdbout_begin_block): Simplify.
10903 * xcoffout.c (next_block_number): Remove.
10904 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
10905 (xcoffout_begin_block): Don't set next_block_number.
10906 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
10909 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10911 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
10912 (expand_builtin_strcpy): Pass correct type to size_binop.
10913 (expand_builtin_strcmp): Likewise.
10914 Clean up conditional structure.
10915 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
10916 (complete_array_type): Don't use size_binop for MAXINDEX.
10917 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
10918 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
10919 (c_alignof): Use size_one_node.
10920 (build_unary_op): Pass arg of proper type to size_binop.
10921 (really_start_incremental_init, push_init_level): Use sizetype for
10922 constructor{,_bit,_unfilled}_index.
10923 (pop_init_label, output_init_element): Likewise.
10924 (output_pending_init_elements, process_init_element): Likewise.
10925 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
10926 * expr.c (store_expr): Use size_int.
10927 (store_constructor): Use proper types for size_binop args.
10928 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
10929 (expand_expr_unaligned): Likewise.
10930 (string_contant): Return object of sizetype.
10931 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
10932 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
10933 (ARGS_SIZE_TREE): Pass proper types to size_binop.
10934 * fold-const.c (int_const_binop): Refine when size_int is called.
10935 (fold_convert): Likewise.
10936 (size_int_wide): Rework to take KIND as arg, only take low order
10937 bits, handle new sizetype_tab datatype, and chain entries in
10939 (size_int_type_wide): New function.
10940 (size_binop): Validate types of arguments.
10941 (ssize_binop): Deleted.
10942 (size_diffop): New function.
10943 (extract_muldiv): Only fold division into multiplication for sizetypes.
10944 * function.c (assign_parms): Use size_diffop and make sure
10945 VAR field is of ssizetype; also pass proper type to size_binop.
10946 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
10947 (round_down): Deleted from here.
10948 * store-layout.c (sizetype_tab): Now an array.
10949 (sizetype_set, early_root_list): New variables.
10950 (variable_size): Use size_one_node.
10951 (round_up): Pass proper type to size_binop.
10952 (round_down): Moved to here and corrected as above.
10953 (layout_record): Pass proper arg types to size_binop.
10954 (layout_type): Likewise.
10955 If sizetype_set is zero, record the type just laid out.
10956 (make_unsigned_type): Don't call set_sizetype;
10957 (make_signed_type): Likewise; also, call fixup_signed_type.
10958 (initialize_sizetypes): New function.
10959 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
10960 set name of bitsizetype to "bit_size_type".
10961 Fix up type of sizes of all types made before call.
10962 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
10963 * tree.c (fix_sizetype): Deleted.
10964 (build_common_tree_nodes): Call initialize_sizetypes.
10965 (build_common_tree_nodes_2): Don't call fix_sizetype.
10966 * tree.h (TYPE_IS_SIZETYPE): New macro.
10967 (initialize_sizetype): New declaration.
10968 (enum size_type_kind): New type.
10969 (struct sizetype_tab): Deleted.
10970 (sizetype_tab): Now array; adjust sizetype macros.
10971 (size_diffop, size_int_type_wide): New functions.
10972 (size_int_wide): Change number of args and type; access macros changed.
10973 (ssize_int, sbitsize_int): New macros.
10974 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
10975 (ROUND_TYPE_SIZE_UNIT): New macro.
10977 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
10979 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
10981 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10983 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
10984 Mark as possibly unused.
10986 * cse.c (cse_insn): Delete dead code involving tablejump.
10987 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
10989 * Makefile.in (libcpp.a): Start by deleting it.
10991 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10993 * cpplib.h (enum file_change_code): Added rename_file.
10994 * cpplib.c (do_line): If a filename is given, set file_change to
10996 (output_line_command): If file_change is rename_file, always
10997 output a # directive with the file name.
10999 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
11001 2000-02-26 Mark Mitchell <mark@codesourcery.com>
11003 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
11004 when copying a PARM_DECL or RESULT_DECL.
11006 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11008 * fix-header.c (recognized_function): Also fix prototypes for
11009 functions taking "void".
11011 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11013 * reload1.c (do_output_reload): Check reg_reloaded_valid before
11014 looking at reg_reloaded_contents.
11016 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
11018 * Makefile.in (STMP_FIXINC): New toggle.
11019 (LIBGCC2_DEPS): Delete all references.
11020 (stmp-headers): Delete target. All references either deleted
11021 or changed to stmp-int-headers.
11022 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
11023 (LIBCPP_OBJS): Take out cppalloc.o.
11024 (cppalloc.o): Delete target.
11025 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
11026 (gen-protos, fix-header): Link with libiberty.a.
11027 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
11030 * configure.in: Remove refs to strerror.
11031 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
11032 * system.h: Take out strerror stanza.
11034 * cpperror.c (my_strerror): Delete function.
11035 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
11036 * cppmain.c (main): Call xmalloc_set_program_name first thing.
11037 * cppalloc.c: Delete file.
11038 * gen-protos.c: Don't provide xrealloc.
11040 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
11041 xstrerror throughout.
11043 2000-02-26 Bruce Korb <bkorb@gnu.org>
11045 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
11046 match for DOS headers, too.
11047 * fixinc/inclhack.sh,fixincl.x: Regenerate.
11049 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11051 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
11052 is right for most ELF targets.
11053 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
11054 Let the default file use %U properly.
11055 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
11058 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
11061 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11063 * toplev.c (documented_lang_options): Correct spelling error.
11064 (decode_d_option, decode_f_option, main): Likewise.
11066 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
11068 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
11069 to tell assembler it is permitted to expand large constants.
11071 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
11073 * protoize.c: (AUX_INFO_SUFFIX): New macro.
11074 (aux_info_suffix): Use.
11075 (SAVE_SUFFIX): New macro.
11076 (save_suffix): Use.
11077 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
11078 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
11079 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
11081 * invoke.texi (Running Protoize): Update documentation.
11083 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
11085 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
11087 2000-02-25 John Wehle (john@feith.com)
11089 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
11091 2000-02-25 Anthony Green <green@cygnus.com>
11093 * toplev.c (rest_of_compilation): Rebuild jump labels if
11094 combine_instructions has created a new direct jump.
11095 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
11097 (combine_instructions): Call try_combine with new argument.
11098 Return non-null value when new direct jump instruction is created.
11099 * rtl.h: combine_instructions returns an int.
11101 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
11103 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
11104 jump when changing a computed jump into a jump to a known
11107 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
11109 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
11110 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
11112 * i386.md (define_expand "clrstrsi"): Fix typo.
11114 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
11116 * rtl.texi: Fix typo.
11118 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11120 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
11121 UNITS_PER_WORD. Change caller initial_elimination_offset.
11122 (rounded_frame_size): Take into account that argument pushed has
11123 changed. Fix TARGET_ALIGN_DOUBLE problem.
11125 2000-02-25 Geoff Keating <geoffk@cygnus.com>
11127 * haifa-sched.c (schedule_block): Explain the real reason
11128 we delete REG_SAVE_NOTEs on the first insn of a block.
11129 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
11131 2000-02-24 Mark Mitchell <mark@codesourcery.com>
11133 * input.h (push_srcloc): New function.
11134 (pop_srcloc): Likewise.
11135 * toplev.c (push_srcloc): Define it.
11136 (pop_srcloc): Likewise.
11138 2000-02-24 Richard Henderson <rth@cygnus.com>
11140 * flow.c (life_analysis): When collecting reg info, clear
11143 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11145 Fix bug exposed by reload.c no longer rounding the frame
11146 size to BIGGEST_ALIGNMENT:
11147 * sh.c (rounded_frame_size): New function.
11148 (sh_expand_prologue, sh_expand_epilogue): Use it.
11149 (initial_elimination_offset): Likewise.
11151 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11153 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
11154 * sh-protos.h (sh_need_epilogue): Declare.
11155 * sh.c (sh_need_epilogue_known): New static variable.
11156 (sh_need_epilogue): New function.
11157 (function_epilogue): Clear need_epilogue_known.
11158 * sh.md (return): Split into expander / insn pattern.
11159 Make the expander conditional on ! sh_need_epilogue ().
11161 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
11163 * machmode.h (get_mode_alignment): Declare.
11164 (GET_MODE_ALIGNMENT): Call it.
11165 * stor-layout.c (get_mode_alignment): New function. Make
11166 sure alignment is always power of 2.
11168 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11170 * i386.h: Remove useless definition of "I386" and misleading
11173 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11175 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
11176 under which TREE_PERMANENT will be set.
11177 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
11178 build1): Use TREE_SET_PERMANENT.
11179 * print-tree.c (print_node): Don't report value of
11180 TREE_PERMANENT if ggc_p is true.
11182 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
11183 decide whether to give a type a new alias set.
11184 * objc/objc-act.c (build_objc_string_object): Never copy the string.
11185 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
11186 of value of 'obstack'.
11189 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11191 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
11193 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11195 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
11196 * cpplib.c (cpp_get_token): Produce them.
11197 * cppexp.c (cpp_lex): Handle them.
11199 2000-02-23 Nick Clifton <nickc@cygnus.com>
11201 * config/arm/arm.c (arm_comp_type_attributes): Simply and
11202 comment tests on type attributes.
11204 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11206 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
11207 conform to documentation.
11208 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
11209 to check for special cases.
11210 * sh-protos.h (sh_loop_align): Declare.
11211 * sh.c (sh_loop_align): Define.
11213 2000-02-22 Andrew Haley <aph@cygnus.com>
11215 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
11216 (SIZE_TYPE): Is 32 bits when using -mgp32.
11217 (PTRDIFF_TYPE): Ditto.
11219 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11221 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
11223 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11225 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
11226 BIGGEST_FIELD_ALIGNMENT a constant.
11228 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
11230 * dwarf2out.c (output_line_info): Put the marker for the end of
11231 the line number info at the actual end.
11232 (gen_struct_or_union_type_die): Use decl_function_context
11233 to check for local classes.
11234 * dwarfout.c (output_type): Likewise.
11236 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
11238 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
11239 for arguments with a mode, but no type.
11240 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
11241 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
11242 * pa/long_double.h: New file.
11243 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
11244 both have 128bit wide long doubles.
11245 * configure: Rebuilt.
11247 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11249 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
11251 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
11252 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
11253 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
11255 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
11257 * integrate.c (compare_blocks, find_block): Likewise.
11259 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
11261 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
11263 * stmt.c (stmt_status, set_file_and_line_for_stmt,
11264 expand_asm_operands): Likewise.
11266 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
11268 * predict.c (estimate_probability): Added the pointer heuristic to
11269 the collection of static branch predictors.
11271 2000-02-21 Catherine Moore <clm@cygnus.com>
11273 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
11274 * invoke.texi (-mfix7000): Document.
11276 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
11278 * diagnostic.c (init_output_buffer): Make it possible to output at
11279 least 32 characters if we're given a too long prefix.
11281 2000-02-20 Mark Mitchell <mark@codesourcery.com>
11283 * varasm.c (initializer_constant_valid_p): Call
11284 lang_expand_constant to simplify the constant.
11286 2000-02-20 Bruce Korb <bkorb@gnu.org>
11288 * fixinc/inclhack.def(stdio_va_list):
11289 typedef needs to be disabled.
11290 * fixinc/inclhack.sh: regen
11291 * fixinc/fixincl.x: regen
11293 2000-02-20 Geoff Keating <geoffk@cygnus.com>
11295 * print-rtl.c (print_rtx): Don't print addresses when
11296 flag_dump_unnumbered.
11298 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11300 * sparc.c (sparc_output_scratch_registers): Mark parameter with
11302 (sparc_va_arg, sparc_flat_output_function_prologue,
11303 sparc_flat_output_function_epilogue): Cast value to unsigned in
11305 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
11307 * sparc.md: Add default case in switch.
11309 2000-02-19 Richard Henderson <rth@cygnus.com>
11311 * c-typeck.c (add_pending_init): Don't abort for multiple
11312 fields at the same offset.
11313 (pending_init_member): Test the correct member.
11315 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11317 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
11319 (start_catch_handler) : Same.
11321 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
11323 * Makefile.in: Have flow.o depend on $(EXPR_H)
11325 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11327 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
11328 * c-decl.c (duplicate_decls, finish_enum): Likewise.
11329 (finish_decl): Remove -Wlarger-than code from here.
11330 * flags.h (id_clash_len): Now int.
11331 (larger_than_size): Now HOST_WIDE_INT.
11332 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11333 Clean up checking to see if in table.
11334 (make_bit_field_ref): Remove extra parm to bitsize_int.
11335 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11336 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11337 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11338 and for computing size of decl.
11339 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11340 Move -Wlarger-than code to here.
11341 (layout_record): Remove extra arg to bitsize_int.
11342 Set TYPE_BINFO_SIZE_UNIT.
11343 (layout_union): Remove extra arg to bitsize_int.
11344 Use proper type for size of QUAL_UNION.
11345 (layout_type): Remove extra arg to bitsize_int.
11346 * toplev.c (id_clash_len): Now int.
11347 (larger_than_size): Now HOST_WIDE_INT.
11348 (decode_W_option): Clean up id-clash and larger-than- cases.
11349 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11350 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11351 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11352 (struct tree_decl): New field size_unit.
11353 (size_int_wide): No HIGH operand; NUMBER is now signed.
11354 (size_int_2): Deleted.
11355 (size_int, bitsize_int): Don't use it and rework args.
11356 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11358 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11360 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11362 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11364 * invoke.texi (Warning Options): Add an explanation of why
11365 you might want the -Wfloat-equal flag.
11367 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11369 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11370 * cppinit.c (new_pending_define): Add cast to avoid warning.
11371 * expmed.c (extract_bit_field): Likewise.
11372 * flow.c (enum reorder_skip_type): New type.
11373 (skip_insns_between_blcok): New it.
11374 Rework to avoid warning about possibly undefined variable.
11375 * function.c (assign_parms): Make thisparm_boundary unsigned.
11376 * genrecog.c (write_switch): Cast XWINT result to int.
11377 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11378 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11379 one for MIPS and one for Alpha.
11380 (get_tag, copy_object): Add casts to avoid warnings.
11381 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11382 * reload.c (find_reloads): Make TYPE enum reload_type.
11383 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11384 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11385 * varasm.c (compare_constant_1): Add cast to avoid warning.
11386 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11388 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11389 Cast switch operand of size to int.
11390 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11391 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11394 2000-02-18 Nick Clifton <nickc@cygnus.com>
11396 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11397 anything for an alignment of zero.
11399 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11400 anything for an alignment of zero.
11402 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11404 * gcc.texi (Bug Reporting): Refer to bugs.html.
11405 (Bug Lists): Likewise.
11406 * system.h (GCCBUGURL): New preprocessor define.
11407 * rtl.c (fancy_abort): Use it.
11408 * gcc.c (main): Likewise.
11410 2000-02-18 Richard Henderson <rth@cygnus.com>
11412 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11413 (life_analysis_1): Subsume into ...
11414 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11415 Use update_life_info for the relaxation.
11416 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11417 entry and regs_live_at_setjmp.
11418 (set_noop_p): Simplify.
11419 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11420 (record_volatile_insns): Split into ...
11421 (delete_noop_moves): ... here,
11422 (notice_stack_pointer_modification): ... here,
11423 (insn_dead_p): ... and here.
11424 (propagate_block): Don't query INSN_VOLATILE.
11425 (mark_used_regs): Mind !PROP_REG_INFO.
11426 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11427 not in life_analysis.
11429 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11431 * loop.c (canonicalize_condition): New function,
11432 broken out of get_condition.
11433 (get_condition): Use it.
11434 * expr.h (canonicalize_condition): Prototype it.
11436 * tree.h (tree_int_cst_msb): Declare.
11437 * tree.c (tree_int_cst_msb): New function.
11439 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11441 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11444 * invoke.texi (-fmessage-length=n): Document.
11446 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11448 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11450 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11452 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11453 after the prologue.
11455 2000-02-17 Nick Clifton <nickc@cygnus.com>
11457 * config/arm/thumb.c: Replace includes of system headers with
11458 #include "system.h".
11460 2000-02-16 Richard Henderson <rth@cygnus.com>
11462 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11463 Add crtbeginS.o and crtendS.o.
11464 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11465 (ENDFILE_SPEC): Use crtendS.o.
11466 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11468 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11469 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11470 shared and present.
11471 (__dso_handle): New variable.
11472 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11473 bias to __CTOR_END__.
11475 2000-02-16 Richard Henderson <rth@cygnus.com>
11477 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11479 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11481 * longlong.h (__clz_tab): Declare as static to match definition.
11483 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11485 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11486 (XREF_FILE_NAME): Define.
11488 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11489 (EH_FRAME_SECTION_ASM_OP): Define.
11490 (IDENT_ASM_OP): Define.
11491 (TEXT_SECTION_ASM_OP): Define.
11492 (CPP_SPEC): Define.
11493 (CTORS_SECTION_ASM_OP): Define.
11494 (CTOR_SECTION_FUNCTION): Use it.
11495 (DTORS_SECTION_ASM_OP): Define.
11496 (DTOR_SECTION_FUNCTION): Use it.
11498 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11500 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11503 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11504 debug_bb_n): New functions.
11505 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11506 * basic-block.h: Prototype new functions.
11508 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11510 * configure.in: Add support for avr target.
11511 * configure: Rebuilt.
11513 * invoke.texi: Add AVR invocation docs.
11514 * install.texi: Add information about AVR.
11515 * md.texi: Add AVR constraint letters description.
11516 * extend.texi: Add description for AVR specific attributes.
11518 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11520 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11522 2000-02-16 Nick Clifton <nickc@cygnus.com>
11524 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11525 (make_insn_raw): Move RTL check here.
11527 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11529 * version.c: Include gansidecl.h and version.h.
11531 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11533 * configure.in (gcc_version): When setting, narrow search to
11534 lines containing `version_string'.
11536 * Makefile.in (mainversion): Likewise.
11537 (GCC_H): New variable.
11538 (gcc.h): Delete target.
11539 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11540 (version.o): Depend on version.h.
11541 (dbxout.o): Don't depend on gcc.h.
11543 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11544 Michael Meissner <meissner@cygnus.com>
11546 * md.texi (Simple Constraints): Add item about whitespace.
11547 * genoutput.c (strip_whitespace): New.
11548 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11549 strip_whitespace for constraints.
11550 Test pointer using NULL, not 0.
11552 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11554 * cpplib.c (do_line): Pedwarn for #line > 32767.
11556 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11558 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11560 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11561 to default cpp spec.
11562 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11563 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11566 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11569 2000-02-15 Denis Chertykov <denisc@overta.ru>
11571 * configure.in: Add support for avr target.
11573 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11575 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11576 (sh_addr_diff_vec_mode): Don't declare.
11577 * sh.c (sh_addr_diff_vec_mode): Delete.
11579 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11581 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11583 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11585 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11586 (smulsi3_highpart_i): Name.
11587 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11588 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11589 (smulsi3_highpart, umulsi3_highpart): Likewise.
11591 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11592 correctly independent of endianness.
11593 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11594 confuse the optimizers.
11595 (mulsidi3+1, umulsidi3+1): New define_split.
11597 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11599 * config/sh/sh.md: Guard insn splits against illegal registers.
11600 * config/sh/sh.h: Correct comment about macros.
11602 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11603 Andrew MacLeod <amacleod@cygnus.com>
11605 * Makefile.in (lcm.o): Depend on insn-attr.h.
11606 * basic-block.h (optimize_mode_switching): Declare.
11607 * lcm.c (tm_p.h, insn-attr.h): #include.
11608 (seginfo, bb_info): New structs.
11609 (antic, transp, comp, delete, insert) : New file-scope static variables.
11610 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11611 (reg_becomes_live, optimize_mode_switching): Likewise.
11612 * tm.texi: Add description of mode switching macros.
11613 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11615 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11616 (fldi_ok, fpscr_set_from_mem): New prototypes.
11617 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11618 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11619 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11620 (sh_flag_remove_dead_before_cse): Remove declaration.
11621 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11622 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11623 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11624 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11625 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11626 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11627 (fldi_ok): New function.
11628 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11629 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11630 (emit_df_insn): Likewise.
11631 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11632 (sh_flag_remove_dead_before_cse): Delete.
11633 (get_free_reg, fpscr_set_from_mem): New functions.
11634 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11635 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11637 2000-02-15 Loren Rittle <ljrittle@acm.org>
11639 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11641 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11643 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11644 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11646 * cccp.c: Include version.h and/or don't declare `version_string'.
11647 * collect2.c: Likewise.
11648 * alpha.c: Likewise.
11649 * arm/aof.h: Likewise.
11650 * arm/coff.h: Likewise.
11651 * arm/elf.h: Likewise.
11652 * arm/pe.h: Likewise.
11653 * arm/tcoff.h: Likewise.
11654 * arm/telf.h: Likewise.
11655 * arm/tpe.h: Likewise.
11656 * arm/vxarm.h: Likewise.
11657 * convex/convex.c: Likewise.
11658 * i386/dgux.c: Likewise.
11659 * i386/sun386.h: Likewise.
11660 * m88k/m88k.c: Likewise.
11661 * mcore/mcore-pe.h: Likewise.
11662 * mips/mips.h: Likewise.
11663 * romp/romp.h: Likewise.
11664 * sh/sh.c: Likewise.
11665 * cpphash.c: Likewise.
11666 * cppinit.c: Likewise.
11667 * dwarf2out.c: Likewise.
11668 * dwarfout.c: Likewise.
11671 * mips-tfile.c: Likewise.
11672 * protoize.c: Likewise.
11673 * toplev.c: Likewise.
11674 * tree.h: Likewise.
11676 * version.c (version_string): Constify a char*.
11678 * version.h: New file.
11680 2000-02-14 Nick Clifton <nickc@cygnus.com>
11682 * configure.in: Add mcore-elf and mcore-pe targets.
11683 * configure: Regenerate.
11685 * NEWS: Add note that MCore port has been contributed.
11687 * invoke.texi: Document command line switches for MCore port.
11688 * install.texi: Add MCore to list of supported targets.
11690 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11692 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11693 then we will need to import the frame handling functions.
11694 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11695 to import the frames themselves.
11697 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11698 Jason Eckhardt <jle@cygnus.com>
11700 * basic_block.h: Added prototype for reorder_basic_blocks.
11701 * toplev.c: Changes to add -freorder-blocks and graph dump after
11702 block reordering is done.
11703 * flow.c (reorder_block_def): New structure for use during block
11705 (REORDER_BLOCK_*): New macros to access members of above structure.
11706 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11707 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11708 functions for block reordering.
11710 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11712 * gcc.texi (Passes): Fix typo.
11713 * md.texi (Standard Names): Ditto.
11714 * tm.texi (Storage Layout): Ditto.
11716 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11718 * cpplib.c (do_define): Only free the old definition if it
11721 2000-02-13 Neil Booth <NeilB@earthling.net>
11723 * cppfiles.c (read_and_prescan): When emitting deferred
11724 newlines, test speccase[] again instead of checking each
11725 possible whitespace character in turn. When we encounter \r,
11726 look behind for \n first, then ahead.
11728 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11730 * cse.c (cse_altered): New internal flag.
11731 (cse_insn): Set it if we changed an insn.
11732 (cse_main): Clear cse_altered before each basic block.
11733 Only garbage collect if cse_altered is true afterward.
11735 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11737 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11739 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11741 * combine.c (simplify_comparison): Fix typo.
11743 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11745 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11748 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11750 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11751 previously inserted node instead of root node. Caller changed.
11753 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11755 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11757 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11759 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11760 __dereg_frame_dtor): Add prototype argument.
11762 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11764 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11766 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11768 * gthr-vxworks.h (__gthread_once): Likewise.
11770 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11772 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11774 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11775 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11776 stack pointer in functions w/o saved registers, output LEAVE more often
11777 on TARGET_USE_LEAVE machines.
11779 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
11781 * config/arm/arm.c (arm_init_cumulative_args); New function:
11782 Initlaise the CUMULATIE_ARGS strcuture for a function
11784 (arm_function_arg): New function: Determine where to place a
11785 function's argument. Also handles deciding the function's
11787 (current_file_function_operand): New function: Return true if
11788 the symbol is a function which has already been compiled.
11789 (arm_is_long_call_p): New function: Return true if the
11790 indicated function should be called via a long call.
11791 (arm_valid_type_attribute_p): New function: Return true if the
11792 attribute is a valid, arm specific, attribute.
11793 (arm_comp_type_attribute): New function: Return true if the
11794 two types have compatable, arm specific, attributes.
11796 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
11798 (FUNCTION_ARG): Redefine to call arm_function_arg.
11799 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
11801 (INIT_CUMULATIVE_ARGS): Redefine to call
11802 arm_init_cumulative_args.
11803 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
11805 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
11807 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
11809 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
11810 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
11811 (COMP_TYPE_ATTRIBUTES): Define.
11813 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
11814 if a long call is needed.
11815 (call_value): Call arm_is_long_call_p to decide if a long call
11817 (call_symbol): Call arm_is_long_call_p to decide if a long call
11820 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
11822 2000-02-11 Denis Chertykov <denisc@overta.ru>
11824 * README.AVR: New file with information about the avr ports.
11825 * config/avr: New directory with avr port files.
11827 2000-02-11 Andreas Jaeger <aj@suse.de>
11829 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
11831 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
11833 * cpphash.c: Fix formatting, update commentary.
11834 (dump_definition): Take three separate arguments instead of a
11835 MACRODEF structure argument.
11836 * cpphash.h: Update prototype of dump_definition.
11837 * cppinit.c (cpp_finish): Update call of dump_definition.
11839 * cpplib.c (do_define): Always create new hash entry with
11840 T_MACRO type. Remove redundant check for redefinition of
11841 poisoned identifier. Update call of dump_definition.
11842 (do_undef): Don't call check_macro_name. Rename sym_length to
11844 (do_error, do_warning): Don't use copy_rest_of_line or
11846 (do_warning): Don't use pedwarn for the actual warning,
11847 only the notice about its not being in the standard. (Fixes
11848 bug with #warning in system headers.)
11849 (do_ident): Stricter argument checking - accept only a single
11850 string after #ident. Also, macro-expand the line.
11851 (do_xifdef): Use cpp_defined. De-obfuscate.
11853 (do_pragma): Split out specific pragma handling to separate
11854 functions. Use get_directive_token. Update commentary. Do
11855 not pass on #pragma once or #pragma poison to the front end.
11856 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
11857 do_pragma_default): New.
11859 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
11861 * jump.c (jump_optimize_1): The first operand in a relational
11862 can be a CONST_INT.
11863 * optabs.c (emit_conditional_move): Handle relationals which
11864 have a known true/false result.
11866 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11868 * function.c (thread_prologue_and_epilogue_insns): Don't insert
11869 a RETURN insn into a block which already ends with a jump.
11871 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11873 * haifa-sched.c (BUF_LEN): Increase a lot.
11875 2000-02-11 Nick Clifton <nickc@cygnus.com>
11877 * configure.in: Add tm_p_file specification for thumb targets.
11878 * configure: Regenerate.
11880 * config/arm/thumb-protos.h: New file: Prototypes for exported
11881 functions defined in thumb.c.
11883 2000-02-11 Robert Lipe <robertl@sco.com>
11885 * Makefile.in (bootstrap-lean): Remove additional files.
11886 (bootstrap2-lean): Likewise.
11887 (VOL_FILES): List of files for above.
11889 2000-02-11 Nathan Sidwell <nathan@acm.org>
11891 * cpphash.c (special_symbol): Remove spurious argument to
11894 2000-02-11 Joel Sherrill (joel@OARcorp.com>
11896 * configure.in: (i*86-*-rtems*): Swapped elf and coff
11898 * configure: Rebuilt.
11900 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
11902 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
11904 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
11906 * pa.c, pa.h: Remove trigraph sequences within comments.
11908 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
11910 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
11912 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
11914 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
11916 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11918 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
11920 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11922 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
11923 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
11924 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
11925 (ASM_FILE_END): Use c4x_file_end.
11926 * config/c4x/c4x.c (c4x_global_label): New function.
11927 (c4x_external_ref, c4x_file_end): Likewise.
11929 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
11930 (c4x_external_ref, c4x_end_file): Likewise.
11932 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
11934 * cppexp.c: Don't include cpphash.h.
11935 (parse_charconst, cpp_lex): Use cpp_defined.
11936 (cpp_lex): Use get_directive_token throughout. Remove
11937 unnecessary cases from switch. Move assertion-handling code
11938 down to OTHER case.
11939 (cpp_parse_expr): If we see '+' or '-', check the context to
11940 determine if they are unary or binary operators. Streamline
11941 the jumps a bit. Do not call skip_rest_of_line.
11943 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
11944 static. Export get_directive_token. Update commentary.
11945 (cpp_defined): New function.
11946 (do_define): Remove reference to T_PCSTRING. Call
11947 free_definition to release memory for old definition, when
11948 redefining a macro.
11949 (eval_if_expression): Set only_seen_white to 0 before calling
11950 cpp_parse_expr. Call skip_rest_of_line after it returns.
11951 (cpp_read_check_assertion): Don't preserve a pointer into the
11952 token buffer across a call to cpp_get_token.
11954 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
11955 * cppfiles.c (redundant_include_p): Use cpp_defined.
11956 * cpphash.c (free_definition): New function.
11957 (delete_macro): Use it. Update commentary.
11958 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
11960 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
11961 from enum node_type. Prototype cpp_defined and get_directive_token.
11962 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
11964 * fix-header.c (check_macro_names): Use cpp_defined.
11965 (read_scan_file): Set inhibit_warnings and inhibit_errors in
11966 the options structure.
11968 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11970 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
11972 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
11974 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
11975 rather than die->die_tag.
11977 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11979 * combine.c (make_extraction, force_to_mode): Avoid warning on
11980 mixed-signedness conditionals.
11981 (make_field_assignment, nonzero_bits): Likewise.
11982 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
11983 (store_split_bit_field, extract_split_bit_field): Likewise.
11984 (extract_fixed_bit_field, store_bit_field,
11985 * expr.c: Change alignment to be unsigned everywhere.
11986 (move_by_pieces, store_constructor_field, store_constructor):
11987 Alignment parm is unsigned.
11988 (emit_block_move, emit_group_load, emit_group_store): Likewise.
11989 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11990 (do_compare_rtx_and_jump): Likewise.
11991 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
11992 Compare align with GET_MODE_ALIGNMENT.
11993 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
11994 (get_inner_reference): Likewise.
11995 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
11996 (expand_assignment): Local vars for alignment now unsigned.
11997 (store_constructor, store_field, expand_expr, do_jump): Likewise.
11998 (do_compare_and_jump): Likewise.
11999 (store_field): Call new function expr_align.
12000 * expr.h (emit_block_move, emit_group_load, emit_group_store):
12001 Alignment arg now unsigned.
12002 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12003 (do_compare_rtx_and_jump, store_bit_field): Likewise.
12004 (extract_bit_field): Likewise.
12005 * fold-const.c (add_double): Add cast to eliminate signedness warning.
12006 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
12007 (get_best_mode): Alignment arg is unsigned.
12008 * rtl.h (move_by_pieces): Likewise.
12009 * store-layout.c (maximum_field_alignment, set_alignment):
12011 (layout_decl): Alignment arg is now unsigned.
12012 Remove unneeded casts.
12013 (layout_record, layout_union, layout_type): Remove unneeded casts.
12014 Local alignment variables now unsigned.
12015 (get_best_mode): Alignment arg now unsigned.
12016 * tree.c (expr_align): New function.
12017 * tree.h (expr_align): Likewise.
12018 (maximum_field_alignment, set_alignment): Now unsigned.
12019 (get_inner_reference): Alignment argument is now pointer to unsigned.
12020 * varasm.c (assemble_variable): Add cast to eliminate warning.
12022 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
12024 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
12025 then store directly into op0.
12027 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
12028 the CALL_INSN, and emit the note immediately after it.
12030 2000-02-10 Nick Clifton <nickc@cygnus.com>
12032 * config/arm/thumb.md (epilogue): Include a (return) in the
12033 generated insn, and emit it using emit_jump_insn not
12036 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
12038 * function.c (assign_temp): Change zero-sized arrays to size 1.
12039 * integrate.c (expand_inline_function): Do not update
12040 stack_alignment_needed
12041 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
12042 add some sanity checking, remove optimization for function with
12045 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12047 * flow.c (mark_regs_live_at_end): Delete unused variables.
12049 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
12051 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
12052 in macro FRAME_GROWS_DOWNWARD.
12054 * stmt.c (expand_end_bindings): Delete unused variable.
12056 * unroll.c (iteration_info): Mark parameter `loop' with
12059 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12061 * fixinc/server.c (load_data): Return NULL if the marker line is
12063 (run_shell): If load_data returns NULL, retry the command once, in
12066 * configure: Rebuilt.
12068 2000-02-09 Bruce Korb <bkorb@gnu.org>
12070 * gcc/fixincludes: ** DELETED **
12071 * gcc/fixcpp: ** DELETED **
12072 * gcc/fixinc-nt.sed: ** DELETED **
12073 * gcc/just-fixinc: ** DELETED **
12074 * gcc/Makefile.in: Removed out-dated commentary
12075 * gcc/configure.in: Removed fast-fixincludes disablement.
12076 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
12078 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12079 * function.c (thread_prologue_and_epilogue_insns): Uncomment
12082 2000-02-09 Richard Henderson <rth@cygnus.com>
12084 * jump.c (delete_insn): Don't delete user labels at -O0.
12086 2000-02-09 Robert Lipe <robertl@sco.com>
12088 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
12089 Don't link with HOST_LIBS.
12091 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12093 * configure.in: Correct --help text for --with-dwarf2.
12094 Put tm-dwarf2.h after other tm files, if it's requested.
12095 * configure: Regenerate.
12096 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
12099 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12101 * cpplib.h: Provide HASHNODE typedef and forward decl of
12102 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
12103 DEFINITION, struct hashnode, struct macrodef, struct
12104 definition, scan_decls prototype, default defn of
12105 INCLUDE_LEN_FUDGE moved elsewhere.
12107 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
12108 definition, and struct hashnode moved here. Remove the unused
12109 'predefined' field from struct definition. Replace the 'args'
12110 union with its sole member. All users updated (cpphash.c).
12111 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
12112 multiple include guard.
12114 * cpphash.c (hashf): Make static; use better algorithm; drop
12115 HASHSIZE parameter; return an unsigned int.
12116 (cpp_lookup): Drop HASH parameter. PFILE parameter is
12117 used. Calculate HASHSIZE modulus here.
12118 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
12120 (create_definition): Drop PREDEFINITION parameter.
12121 * cpplib.c (do_define): Don't calculate a hash value here.
12122 Don't pass (keyword == NULL) to create_definition.
12124 * scan.h: Prototype scan_decls here.
12125 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
12126 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
12127 callers of cpp_lookup and cpp_install updated.
12129 * cpphash.c (macarg): Hoist all the flag diddling out of the
12131 (macroexpand): ... and out of the loop that calls macarg.
12132 Skip over the initial paren before macro arguments with
12133 cpp_get_non_space_token; point may be some distance before
12134 that paren. Abort if it's not there.
12136 * cpplib.c (parse_clear_mark): Delete function.
12137 (parse_set_mark, parse_goto_mark): Make static.
12138 (ACTIVE_MARK_P): New macro.
12139 (skip_block_comment, skip_line_comment): Do not bump the line
12140 if ACTIVE_MARK_P is true.
12141 (cpp_pop_buffer): The buffer to be popped may not have an
12143 (cpp_get_token): When looking for the initial paren before
12144 macro arguments, only set a mark in a file buffer, Always
12145 return to that mark before proceeding to call macroexpand or
12146 return a NAME token.
12148 * cpplib.h: Remove prototypes of parse_set_mark,
12149 parse_clear_mark, parse_goto_mark.
12150 (struct cpp_options): Rename 'put_out_comments' to
12151 'discard_comments' and invert its sense.
12152 * cppinit.c, cpphash.c, cpplib.c: All users of
12153 put_out_comments changed to use discard_comments, with
12156 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12158 * function.c (thread_prologue_and_epilogue_insns): Don't delete
12159 the edge from a block that both jumps and falls through to the
12162 2000-02-09 Scott Bambrough <scottb@netwinder.org>
12164 * config/arm/arm.md (movsi): In PIC mode, make sure that a
12165 constant source address is legitimate.
12167 2000-02-09 Philip Blundell <pb@futuretv.com>
12169 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
12172 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
12174 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
12176 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12178 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
12179 ends with a newline and a NUL. Don't be so clever manipulating
12182 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
12184 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
12185 not to BIGGEST_ALIGNMENT.
12187 2000-02-08 Geoff Keating <geoffk@cygnus.com>
12189 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
12190 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
12191 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
12192 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
12193 * frame.c (execute_cfa_insn): Handle
12194 DW_CFA_GNU_negative_offset_extended.
12196 2000-02-08 Richard Henderson <rth@cygnus.com>
12198 * flow.c (tidy_fallthru_edges): Split out from ...
12199 (delete_unreachable_blocks): ... here.
12200 (find_basic_blocks): Use it.
12202 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12204 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
12206 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
12208 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
12209 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
12210 (fix-header.o): Don't depend on cpphash.h.
12212 * scan.c (hashstr): New function.
12213 * scan.h: Prototype it.
12214 * fix-header.c: Don't include cpphash.h. Use hashstr.
12215 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
12216 hashstr. Report hash table statistics. Add private
12217 definition of xrealloc.
12219 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12221 * i386.h (TARGET_SWITCHES): Fix typo in option name.
12223 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
12225 * function.c (thread_prologue_and_epilogue_insns): Don't replace
12226 jumps with returns unless they are jumps to the fallthru block.
12228 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
12230 * i386.md (addqi3_cc): Fix contraints.
12232 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12234 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
12236 2000-02-07 Mark Mitchell <mark@codesourcery.com>
12238 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
12239 carriage return after a macro name.
12241 2000-02-07 Fred Fish <fnf@be.com>
12243 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
12244 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
12246 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
12248 * cppfiles.c (deps_output): Count spacers in deps_column.
12250 2000-02-07 Neil Booth <NeilB@earthling.net>
12252 * cppinit.c (initialize_dependency_output): If there is no
12253 suffix, don't try to look for known suffixes. Use strrchr.
12254 (cpp_start_read): Remove duplicate initialization.
12256 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
12258 * calls.c (compute_argument_block_size): New argument
12259 preferred_stack_boundary.
12260 (expand_call): update cfun->preferred_stack_boundary, update call of
12261 compute_argument_block_size
12262 (emit_library_call): Increate cfun->preferred_stack_boundary
12263 to PREFERRED_STACK_BOUNDARY
12264 (emit_library_call_value): Likewise.
12265 * explow.c (allocate_dynamic_stack_spave): Likewise.
12266 * function.c (prepare_function_start): Set
12267 cfun->preferred_stack_boundary
12268 * function.h (struct function): Add preferred_stack_boundary field.
12269 * integrate.c (expand_inline_function): Update
12270 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
12271 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
12272 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
12274 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
12276 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
12277 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
12278 cpp_pedwarn, cpp_pedwarn_with_line,
12279 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
12280 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
12281 v_cpp_error_with_line, v_cpp_warning_with_line,
12282 cpp_message_from_errno, cpp_perror_with_name): Delete.
12284 * cpperror.c (cpp_print_containing_files): Take starting
12285 buffer as argument.
12286 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
12287 (v_cpp_message): Now called directly by all entry points.
12289 (cpp_pfatal_with_name, cpp_message): Delete.
12290 (cpp_notice_from_errno, cpp_ice): New functions.
12291 (cpp_notice): Is now for reporting error conditions, just
12292 without an associated file.
12293 (cpp_error, cpp_error_with_line): Don't do anything if
12294 opts->inhibit_errors is on.
12295 (cpp_pedwarn_with_file_and_line): Take column argument also.
12297 * cpplib.h: Update prototypes of exported functions.
12298 (struct cpp_options): Add inhibit_errors.
12300 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
12301 non-error messages. Include intl.h.
12303 * cppinit.c, cppmain.c: Likewise. Also, use
12304 cpp_notice_from_errno instead of cpp_perror_with_name or
12305 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
12307 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
12308 report internal errors.
12310 * cpplib.c (do_define): Switch bcopy to memcpy.
12311 Give cpp_pedwarn_with_file_and_line a dummy column argument.
12313 * cpplib.c (copy_rest_of_line): Revert previous change: don't
12314 bail out early if we hit a line comment.
12316 2000-02-06 Richard Henderson <rth@cygnus.com>
12318 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
12319 * basic-block.h: Declare them.
12320 * emit-rtl.h (active_insn_p): New.
12321 (next_active_insn, prev_active_insn): Use it.
12322 * rtl.h: Declare it.
12323 * function.c (emit_return_into_block): New.
12324 (thread_prologue_and_epilogue_insns): Insert return insns instead
12325 of epilogues when possible.
12326 * jump.c (jump_optimize_1): Remove code to insert a return insn
12327 on the fallthru to the exit block.
12329 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
12330 and for non-empty stack frames.
12331 * i386.md (return): Expand to return-pop as needed.
12333 2000-02-06 Richard Henderson <rth@cygnus.com>
12335 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12336 constant to op1 for testing.
12338 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12340 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12341 (fixuns_truncqfqi2): Use it.
12343 2000-02-06 Richard Henderson <rth@cygnus.com>
12345 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12346 as a TYPE_LEA insn.
12348 * i386.md (widening and peepholes): Mask the constant instead of
12351 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12353 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12354 input pointer before possibly branching off to the backslash
12356 * cpphash.c (macroexpand): Correctly delete \r escapes when
12357 stringifying parameters.
12358 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12359 if we can; bail out early if we hit a line comment.
12360 (handle_directive): Treat '# 123' in an .S file just like
12361 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12362 Return 1 for '# not_a_directive'.
12363 (get_directive_token): Pop macro buffers here, so that
12364 cpp_get_token can't sneakily move past a newline.
12366 (cpp_get_token): goto randomchar if handle_directive returns 0.
12368 * cppalloc.c: Update copyright.
12369 * cpplib.c: Merge all the static function prototypes into one
12371 * cpplib.h: Remove #if 0 block.
12373 * cpperror.c: Remove #ifdef EMACS block.
12374 * cppmain.c: Likewise.
12375 * cpphash.c: Remove #if 0 blocks.
12376 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12377 * cpplib.c: Remove #if 0 blocks and code referencing
12378 pcp_inside_if or for_lint. Remove duplicate error message.
12379 Fix error messages for #else after #else or #elif. Reformat.
12380 Remove archaic TODO list.
12381 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12383 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12385 * i386/osf1elf.h: Add missing backslash to multiline string.
12387 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12389 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12391 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12393 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12395 * c-common.c: Include expr.h.
12397 * c-pragma.c (mark_align_stack): Add prototype.
12399 * caller-save.c (add_stored_regs): Likewise.
12401 * combine.c (record_promoted_value): Likewise.
12403 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12406 * cppinit.c (new_pending_define): Likewise.
12408 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12410 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12411 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12412 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12413 class_scope_p): Likewise.
12415 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12416 dwarf2out_add_library_unit_info): Likewise.
12418 * ggc.h (ggc_page_print_statistics): Likewise.
12420 * haifa-sched.c (propagate_deps): Likewise.
12422 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12424 * rtl.h (set_stack_check_libfunc): Likewise.
12426 * toplev.h (set_fatal_function): Likewise.
12428 * toplev.c (set_fatal_function): Delete prototype.
12430 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12432 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12434 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12435 (FUNC_END): Likewise.
12437 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12439 * caller-save.c: Include tm_p.h.
12441 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12443 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12445 2000-02-04 Neil Booth <NeilB@earthling.net>
12447 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12450 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12452 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12453 * genflags.c: Use the max_operand_1 logic from genemit.c to
12454 calculate how many arguments gen_insn prototypes have. Remove
12455 NO_MD_PROTOTYPES ifdefs from the generated file.
12456 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12457 file. Cast gen_insn initializers to insn_gen_fn.
12458 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12459 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12461 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12463 * fixinc/Makefile.in (HDR): Add machname.h.
12466 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12468 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12469 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12470 (c4x_cpu_version): Ditto.
12471 * config/c4x/c4x-protos.h: ... here.
12473 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12475 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12476 gen_abstract_function on our context if we're a nested function.
12478 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12480 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12481 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12483 2000-02-04 Bruce Korb <bkorb@gnu.org>
12485 * fixinc/genfixes(machname.h):
12486 Move the functionality from gen-machine.h into this file.
12487 UNdef MN_NAME_PAT if there are no names to change.
12488 Also, be a little kinder when AutoGen is not present.
12490 * fixinc/Makefile.in(machname.h):
12491 Change the generation rule to use genfixes.
12493 * fixinc/fixfixes.c(machine_name):
12494 machine_name_fix's functionality now dependent upon whether
12495 MN_NAME_PAT is defined.
12497 * fixinc/fixtests.c(machine_name):
12500 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12503 * fixinc/fixlib.h(mn_get_regexps):
12506 * fixinc/gen-machine.h: DELETED
12508 2000-02-04 Jan Hubicka <jh@suse.cz>
12509 Richard Henderson <rth@cygnus.com>
12511 * i386.c (SAVE_REGS_FIRST): Remove.
12512 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12513 (ix86_compute_frame_size): Likewise.
12514 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12515 (ix86_emit_restore_regs): Remove.
12516 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12517 when a frame pointer is in use.
12518 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12519 instead of pop to restore a register when profitable; emit leave
12521 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12522 as a TYPE_LEA insn.
12523 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12524 * i386.md (prologue_allocate_stack): Remove.
12525 (epilogue_deallocate_stack): Remove.
12526 (pro_epilogue_adjust_stack): New.
12528 2000-02-04 Richard Henderson <rth@cygnus.com>
12530 * function.c (diddle_return_value): Rework to use a callback function.
12531 Use current_function_return_rtx if it's been set up.
12532 (do_clobber_return_reg, clobber_return_register): New.
12533 (do_use_return_reg, use_return_register): New.
12534 (expand_function_end): Use them.
12535 * stmt.c (expand_null_return): Likewise.
12536 * function.h: Declare them.
12537 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12538 (mark_reg): Change arguments as appropriate for callback.
12539 * integrate.c (expand_inline_function): Revert 19 Jan change.
12541 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12543 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12544 (Misc): Say the scheduler, not the Haifa scheduler.
12546 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12548 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12549 when in_mem is set. Update all callers.
12551 2000-02-04 Richard Henderson <rth@cygnus.com>
12553 * i386/openbsd.h (INT_ASM_OP): Define.
12555 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12557 * tm.texi: Fix various typos.
12559 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12561 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12562 (MD_STARTFILE_PREFIX_1): New macro.
12564 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12566 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12567 destination when needed.
12568 (strmovsi, strsetsi): New expander.
12569 (strmovsi_1, strsetsi_1): New pattern.
12570 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12571 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12572 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12573 * invoke.texi (align-stringops, inline-all-stringops): Document.
12575 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12577 * i386/netbsd.h (INT_ASM_OP): Define.
12579 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12581 * cpplib.h (cpp_reader): Add new flag, no_directives.
12582 * cpphash.c (macarg): Set it.
12583 * cpplib.c (handle_directive): If no_directives is on and we
12584 find a directive, issue an error and discard the line.
12586 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12588 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12589 FP constants. Add ! TARGET_FPU check for FP constants.
12591 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12593 * flow.c (find_basic_blocks): Don't kill label_value_list
12595 (cleanup_cfg): Kill it here.
12597 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12599 * expr.c (store_field): Ensure ALIGN is no stricter than the
12602 2000-02-02 Richard Henderson <rth@cygnus.com>
12604 * jump.c (delete_insn): Partially revert 19 Jan change;
12605 don't convert unused code labels to notes at -O0.
12607 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12609 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12610 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12612 2000-02-01 Richard Henderson <rth@cygnus.com>
12614 * i386.c (general_no_elim_operand): New.
12615 (nonmemory_no_elim_operand): New.
12616 (ix86_expand_move): Copy eliminable operands before a push.
12617 * i386-protos.h: Declare new functions.
12618 * i386.h (CAN_ELIMINATE): Simplify.
12619 (PREDICATE_CODES): Update.
12620 * i386.md (push insns): Don't allow eliminable register operands.
12622 2000-02-01 Richard Henderson <rth@cygnus.com>
12624 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12625 replace BLKmode with DECL_RTL's mode.
12627 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12629 * frame.c (find_fde): Convert for loop to do-while so compiler
12630 sees it's always executed at least once.
12631 * libgcc2.c (BBINBUFSIZE): Kill.
12632 (__bb_init_prg): Use fgets.
12633 (__bb_exit_trace_func): Don't paste strings.
12634 * unroll.c (unroll_loop): Initialize unroll_type, not
12635 unroll_number, and tweak logic to match.
12637 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12639 (ix86_flags_dependant): Likewise. Disentangle control flow.
12640 (ix86_sched_reorder): Break guts out to
12641 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12642 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12645 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12646 use string concatenation. Don't save and restore esi.
12648 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12649 (machname.h): Remove script to separate file. Use two-step
12650 sequence so target is not created if script fails.
12651 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12652 identifiers are defined.
12653 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12654 an empty string, machine_name doesn't need to do anything at
12656 (is_cxx_header): Add more cases to regexp.
12657 * fixinc/fixlib.h: Update prototype.
12658 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12660 * fixinc/fixincl.c: Define NO_BOGOSITY.
12662 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12663 (hp_sysfile): Add missing comma.
12664 (math_exception): Put the wrapper ifdefs at the beginning and
12665 the end of the file.
12666 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12668 2000-02-01 Richard Henderson <rth@cygnus.com>
12670 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12671 Use CONST0_RTX. Update all callers.
12672 * sparc.h, sparc-protos.h: Update accordingly.
12673 * sparc.md (fp mov insns): Use fp_zero_operand directly
12676 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12678 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12681 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12683 * Makefile.in (specs.ready): New target.
12684 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12686 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12688 * fixinc.irix: Use unique filenames for writing into /tmp,
12689 * fixinc.ptx: Likewise.
12690 * fixinc.sco: Likewise.
12691 * fixinc.svr4: Likewise.
12692 * fixinc.winnt: Likewise.
12694 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12696 * tsystem.h: New file.
12698 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12699 s-crtS): Depend on tsystem.h.
12701 * crtstuff.c: Include tsystem.h.
12702 * frame.c: Likewise.
12703 * libgcc2.c: Likewise.
12705 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12707 * builtins.c (expand_builtin_memset): Expand for variable sized
12710 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12712 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12715 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12717 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12719 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12721 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12723 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12724 case 3->2 combining (combining with splitting) in which 2 is CC0
12725 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12726 checked at the begining of the function with the aid of calling
12727 function 'can_combine_p'.
12729 2000-01-31 Dave Brolley <brolley@redhat.com>
12731 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12733 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12735 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12738 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12740 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12742 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12745 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12747 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12748 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12749 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12750 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12751 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12752 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12753 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12754 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12755 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12756 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12758 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12759 Add %(cpp_cpu) to CPP_SPEC.
12761 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12762 Add %(cc1_cpu) to CC1_SPEC.
12764 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12766 * c-decl.c (c_decode_option): Accept optional numeric argument to
12767 -Wformat and set warn_format.
12768 * c-common.c: Don't emit warning about non-constant printf format
12769 string unless warn_format > 1.
12771 2000-01-30 Richard Henderson <rth@cygnus.com>
12773 * alpha.md (return_internal): Allow after reload only.
12775 2000-01-30 Richard Henderson <rth@cygnus.com>
12777 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12778 local frame size is zero.
12780 2000-01-30 Richard Henderson <rth@cygnus.com>
12782 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
12783 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
12784 * alpha.md (return): Turn into an expander.
12785 (return_internal): Don't use $26.
12786 (epilogue): Emit the return insn.
12788 2000-01-30 Richard Henderson <rth@cygnus.com>
12790 * alpha.md (negtf2, abstf2): Fix word order thinko.
12791 (extendsftf2): New.
12792 (trunctfsf2): Avoid intermediate rounding errors.
12794 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12796 * cppfiles.c (find_position): Drop 'colp' argument, return the
12798 (read_and_prescan): Adjust to match. Don't ever manipulate
12799 line or line_base except via find_position.
12801 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12803 * c-parse.in: Apply Ulrich's changes from c-parse.y.
12804 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
12807 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12809 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
12810 just print "<command line>". If 'filename' is null or an
12811 empty string, print "<stdin>" for the filename.
12812 * cpplib.c (do_define): Don't print the 'location of the
12813 previous definition' message if we're still parsing the
12815 (cpp_pedwarn_with_file_and_line): Always call
12816 cpp_file_line_for_message.
12818 2000-01-29 Mark Mitchell <mark@codesourcery.com>
12820 * flow.c (mark_regs_live_at_end): Fix typo.
12822 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12824 * c-common.c: Adjust variable names, comments, help strings to c99.
12825 * c-lex.c: Likewise.
12826 * c-parse.y: Likewise.
12827 * c-tree.h: Likewise.
12828 * cccp.c: Likewise.
12829 * cpplib.h: Likewise.
12830 * c-decl.c: Likewise. Recognize options with names "*99" as well.
12831 * cppinit.c: Likewise.
12833 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12835 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
12836 * c4x.c: Define the optab rtx values.
12837 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
12838 (c4x_emit_libcall): Use new optab rtx values.
12839 (c4x_emit_libcall3): Likewise.
12840 (c4x_emit_libcall_mulhi): Likewise.
12841 * c4x-protos.h: Add prototypes for optab rtx values and change
12842 prototypes for above c4x_emit_libcall functions.
12844 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12846 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
12848 (c4x_function_prologue): Use regnames intead of float_reg_names when
12850 (c4x_function_epilogue): Likewise.
12851 (c4x_print_operand): Likewise.
12852 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
12853 * c4x.md (set_high): Disable for TARGET_TI.
12855 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12857 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
12858 of framepointer + constant to ADDR_REGS class.
12859 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
12860 * c4x.c (std_or_reg_operand): New function.
12861 * c4x-protos.h (std_or_reg_operand): Prototype it.
12863 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12865 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
12866 object names as libgcc2.c.
12867 * libgcc.S: Use newly defined names.
12869 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
12870 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
12872 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
12873 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
12874 (FLOW_LOOP_LAST_BLOCK): Likewise.
12876 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12878 * basic-block.h (struct loop): New fields 'first' and 'last'.
12879 * flow.c (flow_loops_find): Compute loop->first and loop->last.
12880 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
12881 and loop->last to check for NOTE_INSN_LOOP_END.
12883 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
12885 * predict.c (estimate_probability): Use the new FIRST and LAST fields
12886 of the loop descriptor rather than HEADER and LATCH. Also added
12887 missing break statements as well making some coding style modifications
12888 as suggested by Michael Hayes.
12890 2000-01-28 Richard Henderson <rth@cygnus.com>
12892 * flow.c (find_basic_blocks): Remove do_cleanup argument.
12893 Break out that code ...
12894 (cleanup_cfg): ... here.
12895 (commit_one_edge_insertion): Detect a return instruction being
12896 emitted to an edge. Emit a barrier following; clear fallthru.
12897 (commit_edge_insertions): Verify CFG consistency.
12898 * function.c (expand_function_start): Kill unused variable.
12899 (expand_function_end): Likewise.
12900 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
12901 to insert the epilogue.
12903 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
12904 (delete_null_pointer_checks): Likewise.
12905 * output.h: Likewise.
12906 * reg-stack.c (reg_to_stack): Likewise.
12907 * toplev.c (rest_of_compilation): Likewise. Run
12908 thread_prologue_and_epilogue_insns after rebuilding the CFG.
12910 2000-01-28 Richard Henderson <rth@cygnus.com>
12912 * Makefile.in (flow.o): Revert 24 Jan change.
12913 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
12914 FUNCTION_VALUE result to DECL_RESULT's mode.
12916 * haifa-sched.c (schedule_insns): Don't recompute reg info
12919 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
12921 * configure.in: Make --enable-cpplib the default.
12922 * configure: Regenerate.
12923 * gcc.dg/990119-1.c: No longer expected to fail.
12925 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
12927 * jump.c (jump_optimize_1): Delete an optimization that is also done
12928 by merge_blocks in flow.
12930 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12932 * diagnostic.c (build_message_string, output_printf,
12933 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
12934 (build_location_prefix): Fix non-literal format string.
12936 2000-01-27 Richard Henderson <rth@cygnus.com>
12938 * alpha.md (trunctfsf2): New.
12940 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
12942 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
12944 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12946 * cppinit.c (cpp_handle_option): Recognize C++ comments under
12948 * cpplib.c (skip_block_comment, skip_line_comment): Split code
12950 (skip_comment) ... here. Permit C++ comments in system
12951 headers always. Warn about C++ comments in user code under
12952 -std=gnu89 -pedantic.
12953 (copy_comment): Use skip_comment.
12954 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
12956 (consider_directive_while_skipping, do_else, do_endif): Call
12957 validate_else unconditionally.
12958 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
12959 text after the conditional in a system header.
12960 * cpplib.h (struct cpp_buffer): Add flag
12961 warned_cplusplus_comments.
12963 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12965 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
12966 Use unshare_all_rtl_1.
12967 (unshare_all_rtl_again): New function.
12968 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
12970 * function.c (purge_addressof_1): Use unshare_all_rtl_again
12971 rather than resetting the 'used' flags ourself.
12973 * toplev.c (rest_of_compilation): Add current_function_decl
12974 to the unshare_all_rtl call.
12975 * tree.h: Prototype unshare_all_rtl.
12976 * rtl.h: Prototype unshare_all_rtl_again here.
12978 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12980 * genoutput.c (output_prologue): Include ggc.h in generated
12982 * Makefile.in (insn-output.o): Depends on ggc.h.
12984 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
12985 Hans-Peter Nilsson <hp@bitrange.com>
12987 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
12988 Remove redundant include of xm-ns32k.h.
12989 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
12990 Remove redundant include of xm-ns32k.h.
12991 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
12992 Remove redundant include of xm-ns32k.h.
12993 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
12995 * ns32k/ns32k.h: Update comment on multiply-add instructions.
12996 (TARGET_SWITCHES): Add documentation strings.
12997 (DWARF_FRAME_REGNUM): Override default definition.
12998 (REG_CLASS_CONTENTS): Add comments.
12999 (SUBSET_P): Format to reduce line length.
13000 (SMALL_REGISTER_CLASSES): Make a run time option.
13001 (GO_IF_NONINDEXED_ADDRESS): Reformat.
13002 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
13003 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
13004 (regclass_map): fix typo in comment.
13005 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
13006 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
13007 (trace, reg_or_mem_operand): Delete, unused function.
13008 (calc_address_cost): Small offsets are cheaper than large ones.
13009 (expand_block_move): Generate more efficient code when bytes is a
13010 known at compile time.
13011 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
13012 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
13013 instead of reg_or_mem_operand.
13015 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
13016 not general_operand. Similarly use "=rm" or stricter, not "=g".
13017 For input operands, use stricter constraints than "g" if not
13018 general_operand. Similarly use stricter predicate than
13019 "general_operand" when stricter constraints than "g" are present,
13020 except for matching constraints.
13021 (movstrsi): Use "memory_operand" for operands 0 and 1.
13022 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
13023 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
13024 not reg_or_mem_operand.
13025 (udivmoddisi4): Ditto.
13026 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
13027 Use nonimmediate_operand for operand 3, not register_operand.
13028 (udivmoddiqi4_internal): Use register_operand for operand 1, not
13029 reg_or_mem_operand.
13031 2000-01-27 Fred Fish <fnf@be.com>
13033 * gthr-posix.h: Fix typo; compatibily -> compatibility.
13034 * gthr-single.h: Likewise.
13035 * gthr-solaris.h: Likewise.
13036 * gthr-vxworks.h: Likewise.
13037 * gthr-win32.h: Likewise.
13038 * gthr.h: Likewise.
13040 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13042 * cppinit.c: Add " (cpplib)" to end of string printed by
13045 2000-01-27 Richard Henderson <rth@cygnus.com>
13047 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
13048 testing for a signed comparison.
13049 (alpha_emit_floatuns): New.
13050 * alpha-protos.h: Declare it.
13051 * alpha.md (floatunsdisf2, floatunsdidf2): New.
13052 (extendsfdf2): Tidy.
13054 2000-01-27 Jakub Jelinek <jakub@redhat.com>
13056 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
13057 no -g option specifying debugging format, default to -gstabs+.
13059 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13061 * calls.c (special_function_p): New argument fork_or_exec.
13062 (expand_call): When profile_arc_flag is set and the function
13063 is in the fork_or_exec group, call __bb_fork_func first.
13064 * libgcc2.c, _bb module (__bb_fork_func): New function.
13065 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
13067 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
13068 * tree.h (special_function_p): Update prototype.
13070 2000-01-26 Richard Henderson <rth@cygnus.com>
13072 * alpha.c (alpha_split_tfmode_pair): New.
13073 * alpha-protos.h: Declare it.
13074 * alpha.md (abstf2, negtf2): New.
13075 (movtf insn): Add input G constraint.
13076 (movtf splitter): Use alpha_split_tfmode_pair.
13078 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13080 * i386/cygwin.h: PROTO -> PARAMS.
13082 2000-01-26 Jakub Jelinek <jakub@redhat.com>
13084 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
13085 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
13086 using _Qp_cmp/_Q_cmp and testing the return value.
13087 (print_operand): Call reverse_condition_maybe_unordered if
13088 we are handling CCFPmode or CCFPEmode.
13089 Handle ORDERED, UN* and LTGT comparisons.
13090 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
13091 if not TARGET_HARD_QUAD.
13092 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
13093 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
13094 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
13095 Adjust gen_b* calls so that they reflect return comparison of
13096 sparc_emit_float_lib_cmp.
13098 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13100 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
13101 incoming operands array is large enough for one more operand.
13102 (alpha_emit_xfloating_arith): Likewise.
13104 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13106 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
13107 file with one line and no trailing newline.
13108 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
13109 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
13110 checking if the match is on the line.
13111 * fixinc/gnu-regex.c: Provide regerror not __regerror.
13113 2000-01-25 Richard Henderson <rth@cygnus.com>
13115 * sparc.c (output_cbranch): Fix accidental squashing of the
13116 fp branch pre-delay nop.
13118 2000-01-25 Richard Henderson <rth@cygnus.com>
13120 * tree.def (UNNE_EXPR): Remove.
13121 * c-typeck.c (build_binary_op): Don't handle it.
13122 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
13124 * rtl.def (UNNE): Remove.
13126 * jump.c (reverse_condition): Update accordingly.
13127 (swap_condition): Likewise.
13128 (comparison_dominates_p): Handle unordered comparisons.
13129 (reverse_condition_maybe_unordered): New.
13130 * rtl.h (reverse_condition_maybe_unordered): Declare.
13132 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
13133 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
13134 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
13135 * sparc.md (bltgt): New.
13137 2000-01-25 Nick Clifton <nickc@redhat.com>
13139 * emit-rtl.c (emit_insn): Only check machine class insns for
13140 improper emission of a RETURN.
13142 2000-01-25 Richard Henderson <rth@cygnus.com>
13144 * Makefile.in (flow.o): Depend on $(EXPR_H).
13145 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
13146 duplicate the structure of diddle_return_value for keeping regs live.
13148 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13150 * loop.c (current_loop_info): Delete.
13151 (consec_sets_invariant_p): Add loop argument, update callers.
13152 (get_condition_for_loop): Likewise.
13153 (count_nonfixed_reads, update_giv_derive): Likewise.
13154 (simplify_giv_expr, general_induction_var): Likewise.
13155 (consec_sets_giv, recombine_givs): Likewise.
13156 (move_movables): Delete loop_start and loop_end arguments,
13157 add loop argument, and update callers.
13158 (find_mem_givs, check_final_value): Likewise.
13159 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
13160 (loop_invariant_p): Rename from invariant_p, add loop argument, and
13162 (basic_induction_var): Add loop argument, delete loop_level argument,
13163 and update callers.
13164 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
13165 add loop argument, and update callers.
13166 (find_splittable_regs, find_splittable_givs): Likewise.
13167 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
13168 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
13169 (biv_total_increment): Delete loop_start and loop_end arguments;
13171 (precondition_loop_p): Delete loop_start and loop_info arguments;
13173 * loop.h (get_condition_for_loop): Add loop argument.
13174 (biv_total_increment): Delete loop_start and loop_end arguments.
13175 (precondition_loop_p): Delete loop_start and loop_info arguments;
13177 (final_biv_value): Delete loop_start and loop_end arguments;
13179 (final_giv_value, back_branch_in_range_p): Likewise.
13181 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13183 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
13185 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13187 * Makefile.in (c-gperf.h) : Change the "See" pointer to
13188 point to the new "generated_files" doc.
13190 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13192 * config/fp-bit.c (_unord_f2): Fix typo.
13194 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13196 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
13197 c-typeck.c, objc/objc-act.c: Remove all references to obstack
13198 functions obsoleted by GC, such as push_obstacks_nochange,
13199 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
13200 and code which existed only to decide whether or not to call
13201 them. Remove now-unused NESTED argument from start_function;
13202 all callers changed. Do not change behavior based on ggc_p.
13203 The use of the ixp_obstack in c-iterate.c and the util_obstack
13204 in objc/objc-act.c remain; these are not obsoleted by garbage
13206 * c-tree.h: Update prototype for start_function.
13208 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
13210 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13212 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
13215 2000-01-25 Richard Henderson <rth@cygnus.com>
13217 * sparc-protos.h (select_cc_mode): Declare.
13218 * sparc.c (select_cc_mode): New. Handle unordered compares.
13219 (output_cbranch): Always reverse via code change. Handle
13220 unordered compares. Factor tests and string updates.
13221 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
13222 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
13223 * sparc.md (bunordered, bordered): New.
13224 (bungt, bunlt, buneq, bunge, bunle): New.
13226 2000-01-25 Richard Henderson <rth@cygnus.com>
13228 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
13229 * ggc-common.c (ggc_add_rtx_varray_root): New.
13230 (ggc_mark_rtx_varray): New.
13231 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
13232 functions down below ggc_mark_foo.
13233 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
13235 2000-01-25 Richard Henderson <rth@cygnus.com>
13237 * alpha.c (secondary_reload_class): Don't allocate a secondary
13238 for integral mode memories into FLOAT_REGS. Rearrange the more
13239 complicated memory expression inward.
13241 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13243 * inclhack.def: Fixes to play nicer with FreeBSD, and
13244 corrections to comments.
13245 (cxx_unready): Add select expression.
13246 (irix_sockaddr): Add bypass expression.
13247 (machine_ansi_h_va_list): New fix.
13248 (stdio_va_list): No need to edit _BSD_VA_LIST_.
13249 Split out addition of "#include <stdarg.h>" to...
13250 (stdio_stdarg_h): ... here.
13251 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
13252 to stdlib.h also. Do not munge _BSD_SIZE_T_.
13253 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
13255 (ultrix_ifdef): Tighten up select expression.
13257 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
13258 re_ct and max_mach to avoid use of shell. Make printed names
13259 match names in inclhack.def. Use static copyright date.
13260 Don't count c_test and test expressions as requiring regex_t
13261 slots. Add some commentary.
13262 * inclhack.tpl: Do not include the 'This script contains N
13263 fixup scripts' line if PROGRAM is defined. Use static
13266 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
13268 * dwarf2out.c: include "varray.h", not dyn-string.h.
13269 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
13270 (addr_const_to_string, addr_to_string): Lose.
13271 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
13272 (struct dw_val_struct): val_addr is now an rtx.
13273 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
13274 (used_rtx_varray): New varray.
13275 (dwarf2out_init): Initialize it.
13276 (save_rtx): New fn.
13277 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
13279 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
13280 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
13281 * Makefile.in (dwarf2out.o): Update dependencies.
13283 2000-01-24 Richard Henderson <rth@cygnus.com>
13285 * i386.c (i386_dwarf_output_addr_const): New.
13286 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
13288 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
13290 * dwarfout.c (output_mem_loc_descriptor): Likewise.
13291 * i386.c (i386_simplify_dwarf_addr): New.
13292 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
13294 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
13296 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
13297 TYPE_STUB_DECL is NULL.
13299 2000-01-24 Richard Henderson <rth@cygnus.com>
13301 * builtins.c (expand_tree_builtin): Move ...
13302 * c-common.c (expand_tree_builtin): ... here.
13304 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13306 * loop.h (LOOP_INFO): New accessor macro.
13307 * basic-block.h (struct loop): Rename field `info' to `aux'.
13308 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
13309 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
13310 * unroll.c (loop_iterations, unroll_loop): Likewise.
13312 2000-01-24 Christopher Faylor <cgf@cygnus.com>
13314 * config/i386/t-cygwin: Accomodate new winsup directory layout
13315 when searching for include files.
13317 2000-01-24 Richard Henderson <rth@cygnus.com>
13319 * rtl.def: Add unordered fp comparisions.
13320 * tree.def: Likewise.
13321 * tree.h: Add ISO C 9x unordered fp comparision builtins.
13323 * builtins.c (expand_tree_builtin): New function.
13324 * c-typeck.c (build_function_call): Use it.
13325 (build_binary_op): Support unordered compares.
13326 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
13328 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
13329 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
13330 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
13331 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
13332 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13334 (swap_condition): Handle unordered compares.
13335 (thread_jumps): Check can_reverse before reversing.
13336 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13339 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13340 setcc is present before acking for cmp_optab. Update all callers.
13341 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13342 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13343 * expr.c (expand_expr): Likewise. Support unordered compares.
13344 (do_jump, do_store_flag): Likewise.
13345 * expr.h (enum libfunc_index): Add unordered compares.
13347 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13348 (DPBIT_FUNCS): Add _unord_df.
13349 * config/fp-bit.c (_unord_f2): New.
13350 * fp-test.c (main): Try unordered compare builtins.
13352 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13353 * alpha.c (alpha_comparison_operator): Check mode properly.
13354 (alpha_swapped_comparison_operator): Likewise.
13355 (signed_comparison_operator): Likewise.
13356 (alpha_fp_comparison_operator): New.
13357 (alpha_emit_conditional_branch): Handle unordered compares.
13358 * alpha.h (PREDICATE_CODES): Update.
13359 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13360 (bunordered, bordered): New.
13362 2000-01-24 Richard Henderson <rth@cygnus.com>
13364 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13365 * alpha.md (movtf): New expander, insn, and splitter.
13367 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13369 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13372 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13374 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13375 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13376 REG_ALLOC_ORDER): Add frame pointer
13377 (FRAME_POINTER_REGNUM): Set to 20
13378 (HARD_FRAME_POINTER_REGNUM): New macro.
13379 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13380 to HARD_FRAME_POINTER.
13381 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13382 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13383 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13384 (HI_REGISTER_NAMES): Add "frame".
13385 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13386 (debug_reg): Handle FRAME_POINTER_REGNUM.
13387 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13388 GENERAL_REGS and INDEX_REGS.
13389 * i386.c (SAVED_REGS_FIRST): new macro.
13390 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13391 (ix86_decompose_address, memory_address_length): Likewise.
13392 (regclass_map): Add frame pointer.
13393 (call_insn_operand): Handle frame_pointer_rtx.
13394 (reg_no_sp_operand): Likewise.
13395 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13396 (print_operand, legitimize_pic_address): Fix formating.
13397 (ix86_compute_frame_size): Make static, update prototype, new
13398 parameters padding1, padding2, use ix86_nsaved_regs, use
13399 stack_alignment_needed.
13400 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13401 to HARD_FRAME_POINTER_REGNUM conversions.
13402 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13403 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13404 (print_reg): Abort on FRAME_POINTER_REGNUM
13406 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13408 * i386.h (PREDICATE_CODES): Add aligned_operand.
13409 * i386.c (aligned_operand): New function.
13410 (ix86_aligned_p): Kill.
13411 * i386.md (movhi_1): Emit mov for aligned operands.
13412 (promoting peep2s): Use aligned_operand.
13414 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13416 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13417 expression to allow underscores in macro names.
13418 (fix_char_macro_defines): Increment scanning pointer.
13420 2000-01-23 Richard Henderson <rth@cygnus.com>
13422 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13423 * alpha/osf5.h: New file.
13424 * configure.in (alpha-*-osf5): Add it to tm_file.
13426 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13428 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13429 (alpha_emit_xfloating_cvt, function_arg): Declare.
13430 * alpha.c (alpha_emit_conditional_branch): Call
13431 alpha_emit_xfloating_compare for TFmode compares.
13432 (alpha_lookup_xfloating_lib_func): New.
13433 (alpha_compute_xfloating_mode_arg): New.
13434 (alpha_emit_xfloating_libcall): New.
13435 (alpha_emit_xfloating_arith): New.
13436 (alpha_emit_xfloating_compare): New.
13437 (alpha_emit_xfloating_cvt): New.
13438 (print_operand): Add default abort case.
13439 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13440 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13441 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13442 (RETURN_IN_MEMORY): True for TF/TCmode.
13443 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13444 (FUNCTION_ARG): Move to function_arg.
13445 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13446 (ASM_OUTPUT_LONG_DOUBLE): New.
13447 (ASM_OUTPUT_DOUBLE): Always output bits.
13448 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13449 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13450 (extenddftf2, trunctfdf2): New.
13452 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13454 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13455 * config/sparc/sol2.h: ... here.
13457 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13459 * basic-block.h (struct loops): New field `levels'.
13460 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13461 (flow_loop_level_compute): Initialise level to 1.
13462 (flow_loops_find): Set loops->levels.
13463 (flow_loops_dump): Print loops->levels.
13465 2000-01-23 Richard Henderson <rth@cygnus.com>
13467 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13468 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13470 2000-01-23 Richard Henderson <rth@cygnus.com>
13472 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13473 * i386.h (DBX_REGISTER_NUMBER): Use them.
13474 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13475 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13476 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13477 * i386/sequent.h: Kill incorrect comment.
13479 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13481 * ggc-page.c (struct page_entry): Make `context_depth' an
13483 (struct globals): Likewise.
13485 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13487 * loop.c (check_dbra_loop): When checking a loop for
13488 reversability, check the source of any stores to ensure
13489 they don't depend on an initial value.
13491 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13493 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13495 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13497 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13498 'pz_scan' into scope of entire function. Only affects
13499 compiles with -DDEBUG.
13501 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13503 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13504 section naming to that prior to 2000-01-07 patch.
13505 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13506 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13507 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13508 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13509 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13511 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13513 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13516 2000-01-21 Jim Wilson <wilson@cygnus.com>
13518 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13519 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13521 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13523 * cpphash.c (change_newlines): Delete function.
13524 (struct argdata): Delete 'newlines' and 'use_count' fields.
13525 (macroexpand): Remove code referencing those fields.
13527 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13529 * loop.c (loops_info): New variable.
13530 (loop_optimize): Allocate loops->array and free it on exit.
13531 Allocate memory for loops_info and assign to each loop,
13533 (find_and_verify_loops): Do not allocate loops->array.
13535 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13537 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13539 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13541 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13542 pseudos if expanded after first flow.
13543 (movdi_pic_label_ref): Likewise.
13545 2000-01-20 Richard Henderson <rth@cygnus.com>
13547 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13549 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13551 * Makefile.in (fixinc.sh): Depend on specs.
13552 * fixinc/Makefile.in: Add rule to create machname.h.
13553 (fixlib.o): Depend on machname.h.
13554 * fixinc/fixtests.c (machine_name): New test.
13555 * fixinc/fixfixes.c (machine_name): New fix.
13556 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13557 the machine_name test and fix.
13558 * fixinc/fixlib.h: Prototype it.
13559 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13560 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13562 * gcc.c (do_spec_1) [case P]: Take care not to create
13563 identifiers with three leading or trailing underscores.
13565 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13566 (fixincl): Don't specify libraries twice on link line.
13567 (gnu-regex.o): Remove special rule.
13568 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13569 defined by config.h. Do not define _REGEX_RE_COMP.
13570 (regcomp): Allocate and initialize a fastmap.
13571 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13573 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13575 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13577 2000-01-19 Richard Henderson <rth@cygnus.com>
13579 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13580 arguments with BB. Update all callers. Tidy line wrapping.
13582 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13584 * emit-rtl.c (try_split): Return last_insn if we split the
13587 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13589 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13590 (ix86_initial_elimination_offset): Declare.
13591 * i386.c (ix86_nsaved_regs): Break out from ...
13592 (ix86_can_use_return_insn_p): ... here.
13593 (ix86_emit_save_regs): Break out from ...
13594 (ix86_expand_prologue): ... here.
13595 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13597 (ix86_expand_epilogue): ... here.
13598 (ix86_compute_frame_size): Make static, add prototype.
13599 (ix86_initial_elimination_offset): Break out from ...
13600 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13602 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13604 * recog.h (OUT_FCN): Delete.
13606 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13608 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13610 * cppalloc.c: PROTO -> PARAMS.
13611 * cpperror.c: Likewise.
13612 * cppfiles.c: Likewise.
13613 * cpplib.c: Likewise.
13614 * cpplib.h: Likewise.
13616 * config/arm/arm-protos.h: PROTO -> PARAMS.
13617 * config/arm/arm.c: Likewise.
13618 * config/c4x/c4x.c: Likewise.
13619 * config/fr30/fr30-protos.h: Likewise.
13620 * config/nextstep.c: Likewise.
13621 * config/pa/pa.c: Likewise.
13622 * config/pj/pj.c: Likewise.
13623 * config/rs6000/rs6000.c: Likewise.
13624 * config/v850/v850-protos.h: Likewise.
13625 * config/v850/v850.c: Likewise.
13627 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13629 * i370-protos.h: New file.
13631 * i370.c: Include tm_p.h. Fix compile time warnings.
13633 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13636 * i370.md: Likewise.
13638 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13640 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13641 (target_isinf, target_isnan, eisnan): Mark parameter with
13643 (eiisinf): Wrap in INFINITY.
13644 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13645 (ibmtoe): Remove unused variable `rndsav'.
13647 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13649 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13650 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13652 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13654 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13655 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13656 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13658 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13659 Recognize Emacs mode markers also.
13660 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13661 C++ comments in C++ headers. Call is_cxx_header only if
13664 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13665 bypass for ncurses.
13666 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13667 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13668 ... these, which use the new C fixes.
13669 (math_exception): Escape literal '+' in bypass expression.
13671 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13674 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13676 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13679 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13681 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13682 prior to calling scan_loop.
13684 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13686 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13687 (split_branches, calc_live_regs): Likewise.
13689 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13691 * sh.md (fpu_single, fp_mode): New attributes.
13693 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13695 * loop.c (current_loop_info): Renamed from loop_info_data
13696 and changed to a pointer.
13697 (loop_optimize): Allocate loop_info structure for each loop
13698 and initialise to zero.
13699 (scan_loop): Set current_loop_info.
13701 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13704 2000-01-19 Richard Henderson <rth@cygnus.com>
13706 * stupid.c: Die die die.
13707 * Makefile.in (OBJS): Remove stupid.o.
13708 (stupid.o): Likewise.
13710 * except.c (emit_eh_context): Don't emit USEs for stupid.
13711 * explow.c (probe_stack_range): Likewise.
13712 * flags.h (obey_regdecls): Remove.
13713 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13714 when not optimizing.
13715 (life_analysis): Limit data collection when not optimizing.
13716 (mark_regs_live_at_end): Always mark the return value registers.
13717 (mark_used_regs): Remove dummy RETURN case.
13718 (print_rtl_with_bb): Don't consult obey_regdecls.
13719 * function.c (use_variable, use_variable_after): Remove.
13720 (assign_parms): Consult optimize not obey_regdecls.
13721 (expand_function_start): Don't emit USEs for stupid.
13722 (expand_function_end): Likewise.
13723 * global.c (build_insn_chain): Export.
13724 * integrate.c (expand_inline_function): Kill return-value USE
13726 * jump.c (jump_optimize_1): Do simple jump optimizations and
13727 dead code elimination.
13728 (calculate_can_reach_end): Remove check_deleted argument.
13729 (delete_insn): Patch out insns even when not optimizing.
13730 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13731 * rtl.h (use_variable, use_variable_after): Remove declarations.
13732 (build_insn_chain): Declare.
13733 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13734 (expand_end_bindings): Likewise.
13735 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13736 * toplev.c (obey_regdecls): Remove.
13737 (rest_of_compilation): Don't set it. Kill stupid in favour of
13738 flow1, local-alloc, and reload.
13739 (main): Don't set obey_regdecls.
13741 * config/nextstep.c (handle_pragma): Likewise.
13743 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13745 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13747 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13749 * alpha-protos.h: PROTO -> PARAMS.
13750 * alpha.c: Likewise.
13752 * h8300.c: Likewise.
13753 * i386-protos.h: Likewise.
13754 * i386.c: Likewise.
13755 * m32r-protos.h: Likewise.
13756 * m32r.c: Likewise.
13757 * mips.c: Likewise.
13758 * mips.md: Likewise.
13759 * gmon-sol2.c: Likewise.
13760 * sparc.c: Likewise.
13762 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13764 * ns32k-protos.h: New file.
13766 * ns32k.c: Fix compile time warnings.
13768 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13771 * ns32k.md: Likewise.
13773 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13775 * vax-protos.h: New file.
13777 * vax.c: Fix compile time warnings.
13779 * vax.h: Move prototypes to vax-protos.h. Fix compile time
13782 * vax.md: Likewise.
13784 * vaxv.md: Likewise.
13786 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13788 * romp-protos.h: New file.
13790 * romp.c: Fix compile time warnings.
13792 * romp.h: Move prototypes to romp-protos.h. Fix compile time
13795 * romp.md: Likewise.
13797 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13799 * we32k-protos.h: New file.
13801 * we32k.c: Fix compile time warnings.
13803 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
13806 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13808 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
13810 * except.c (eh_regs): Likewise.
13812 * final.c (output_operand): Likewise.
13814 * fold-const.c (target_isinf, target_isnan): Likewise.
13816 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13818 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
13819 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
13821 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
13822 when optimize_size.
13823 (clrstrsi): Rewrite.
13824 (strsethi, strsetqi): New expanders.
13825 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
13826 (cmpstrsi): Emit compare insn before cmpstrsi_1
13827 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
13828 (strlensi_1): Likewise.
13829 (cmpstrsi_1): Likewise; do not output compare.
13830 (strlen expander): Do not unroll when optimizing for size.
13831 (*subsi3_carry): Rename to subsi3_carry
13832 (addqi3_cc): New pattern.
13833 * i386.h (processor_costs): Add move_ratio field.
13834 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
13835 * i386.c (*_cost): Set move_ratio.
13836 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
13837 (x86_expand_strlensi_1): Rewrite the main loop.
13839 2000-01-17 Richard Henderson <rth@cygnus.com>
13841 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
13842 * cse.c (find_comparison_args, fold_rtx): Likewise.
13843 * integrate.c (subst_constants): Likewise.
13844 * loop.c (get_condition): Likewise.
13846 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
13848 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
13850 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13852 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
13853 (RESTORE_WARN_FLAGS): Unpack it.
13854 Change semantic type of extension to ttype.
13855 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
13856 * c-parse.y, c-parse.c, objc/objc-parse.y,
13857 objc/objc-parse.c: Regenerate.
13859 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
13861 * fixinc/fixlib.c: Add copyright notice.
13862 (compile_re): New function.
13863 * fixinc/fixlib.h: Prototype compile_re.
13865 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
13866 Use compile_re to compile regular expressions.
13868 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
13869 where the pattern matched.
13871 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
13873 (ultrix_ansi_compat): Likewise.
13874 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
13876 (interactv_add2, interactv_add3): Delete.
13877 (x11_sprintf): Don't use filename glob.
13878 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
13881 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13883 * print-rtl.c: PROTO -> PARAMS.
13884 * real.c: Likewise.
13885 * reg-stack.c: Likewise.
13886 * resource.c: Likewise.
13887 * sdbout.h: Likewise.
13888 * simplify-rtx.c: Likewise.
13889 * stor-layout.c: Likewise.
13890 * stupid.c: Likewise.
13891 * xcoffout.c: Likewise.
13892 * xcoffout.h: Likewise.
13894 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13896 * toplev.c: PROTO -> PARAMS.
13897 * toplev.h: Likewise.
13898 * tree.c: Likewise.
13899 * tree.h: Likewise.
13900 * unroll.c: Likewise.
13901 * varasm.c: Likewise.
13902 * varray.c: Likewise.
13903 * varray.h: Likewise.
13905 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13907 * reload.c: PROTO -> PARAMS.
13908 * reload.h: Likewise.
13909 * reload1.c: Likewise.
13910 * reorg.c: Likewise.
13911 * resource.h: Likewise.
13914 * rtlanal.c: Likewise.
13915 * sbitmap.h: Likewise.
13916 * sdbout.c: Likewise.
13917 * stack.h: Likewise.
13918 * stmt.c: Likewise.
13919 * system.h: Likewise.
13921 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13923 * machmode.h: PROTO -> PARAMS.
13924 * mbchar.h: Likewise.
13925 * mips-tdump.c: Likewise.
13926 * mips-tfile.c: Likewise.
13927 * optabs.c: Likewise.
13928 * output.h: Likewise.
13929 * prefix.c: Likewise.
13930 * profile.c: Likewise.
13931 * protoize.c: Likewise.
13932 * real.h: Likewise.
13933 * recog.c: Likewise.
13934 * recog.h: Likewise.
13935 * regclass.c: Likewise.
13936 * regmove.c: Likewise.
13937 * regs.h: Likewise.
13939 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13941 * ggc-common.c: PROTO -> PARAMS.
13942 * ggc-page.c: Likewise.
13943 * ggc-simple.c: Likewise.
13945 * global.c: Likewise.
13946 * graph.c: Likewise.
13947 * gthr-win32.h: Likewise.
13948 * haifa-sched.c: Likewise.
13949 * halfpic.h: Likewise.
13950 * integrate.c: Likewise.
13951 * integrate.h: Likewise.
13952 * jump.c: Likewise.
13954 * local-alloc.c: Likewise.
13955 * loop.c: Likewise.
13956 * loop.h: Likewise.
13958 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13960 * genattr.c: PROTO -> PARAMS.
13961 * genattrtab.c: Likewise.
13962 * gencheck.c: Likewise.
13963 * gencodes.c: Likewise.
13964 * genconfig.c: Likewise.
13965 * genemit.c: Likewise.
13966 * genextract.c: Likewise.
13967 * genflags.c: Likewise.
13968 * gengenrtl.c: Likewise.
13969 * genopinit.c: Likewise.
13970 * genoutput.c: Likewise.
13971 * genpeep.c: Likewise.
13972 * genrecog.c: Likewise.
13974 2000-01-16 Mark Mitchell <mark@codesourcery.com>
13976 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
13978 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13980 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
13981 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
13982 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
13983 * configure, config.in: Rebuilt.
13985 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
13987 * config/i386/i386.md: Add peephole to merge successive stack
13990 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
13992 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
13993 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
13994 when walking backwards to find all the parameter loads when
13995 the basic block ends in a call.
13997 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13999 * loop.c (this_loop_info): Delete.
14000 (uid_loop): Add in place of uid_loop_num. All uses updated.
14001 (loop_number_exit_count): Delete and replace with entry in loop
14002 structure. All uses updated.
14003 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14004 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14005 (loop_outer_loop): Likewise.
14006 (loop_invalid, loop_number_exit_labels): Likewise.
14007 (loop_used_count_register): Delete and replace with entry in
14008 loop_info structure.
14009 (find_and_verify_loops): Add loops argument.
14010 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
14011 loop_end, etc. arguments with loop structure pointer. All callers
14013 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
14014 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
14015 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
14016 (insert_bct): Likewise.
14017 (basic_induction_var): New argument level.
14018 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
14019 vtop, and cont. Add used_count_register.
14020 (uid_loop): Delete declaration.
14021 (loop_number_exit_count): Likewise.
14022 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14023 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14024 (loop_outer_loop, loop_used_count_register): Likewise.
14025 (loop_invalid, loop_number_exit_labels): Likewise.
14026 (unroll_loop): Replace loop_start and loop_end arguments
14027 with loop structure pointer.
14028 (loop_precondition_p, loop_iterations): Likewise.
14029 Include basic-block.h.
14030 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
14031 with loop structure pointer.
14032 (loop_precondition_p, loop_iterations): Likewise.
14033 * basic-block.h (struct loop): New entries vtop, cont,
14034 cont_dominator, start, end, top, scan_start, exit_labels,
14036 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
14038 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14040 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
14042 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
14044 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
14046 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14048 * pdp11-protos.h: New file.
14050 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
14053 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
14056 * pdp11.md: Likewise.
14058 * 2bsd.h: Likewise.
14060 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14062 * mn10300-protos.h: New file.
14064 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
14067 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
14070 * mn10300.md: Likewise.
14072 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14074 * mn10200-protos.h: New file.
14076 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
14079 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
14082 * mn10200.md: Likewise.
14084 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14086 * h8300-protos.h: New file.
14088 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
14091 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
14094 * h8300.md: Likewise.
14096 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14098 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
14099 (asm_emit_uninitialised): Likewise.
14101 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
14103 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
14104 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
14106 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14108 * config/mips/mips.c (override_options): Don't turn on extra
14109 alignment for mips16.
14111 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14113 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
14114 eabi, and make sure queued POSTINCREMENT rtl is emitted at
14117 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14119 * builtins.c (PAD_VARARGS_DOWN): Define.
14120 (std_expand_builtin_va_arg): Use the above macro.
14121 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
14122 * tm.texi (Register Arguments): Document the above macro.
14124 2000-01-14 Nick Clifton <nickc@cygnus.com>
14126 * emit-rtl.c (emit_insn): If checking is enabled, make sure
14127 that this function has not been used to emit a jump
14130 * jump.c (return_jump_1): Cope with being passed a null rtx.
14132 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14134 * eh-common.h: PROTO -> PARAMS.
14135 * emit-rtl.c: Likewise.
14136 * errors.c: Likewise.
14137 * errors.h: Likewise.
14138 * except.c: Likewise.
14139 * except.h: Likewise.
14140 * explow.c: Likewise.
14141 * expmed.c: Likewise.
14142 * expr.c: Likewise.
14143 * expr.h: Likewise.
14144 * final.c: Likewise.
14145 * fix-header.c: Likewise.
14146 * flow.c: Likewise.
14147 * fold-const.c: Likewise.
14148 * function.c: Likewise.
14149 * function.h: Likewise.
14151 * gcov-io.h: Likewise.
14152 * gcov.c: Likewise.
14153 * gcse.c: Likewise.
14155 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14157 * sh-protos.h: New file.
14159 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
14160 Add static prototypes. Fix compile time warnings.
14162 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
14166 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14168 * arc-protos.h: New file.
14170 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
14173 * arc.h: Move prototypes to arc-protos.h. Fix compile time
14176 * arc.md: Likewise.
14178 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14180 * dsp16xx-protos.h: New file.
14182 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
14185 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
14188 * dsp16xx.md: Likewise.
14190 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14192 * convex-protos.h: New file.
14194 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
14197 * convex.h: Move prototypes to convex-protos.h. Fix compile time
14200 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14202 * elxsi-protos.h: New file.
14204 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
14207 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
14210 * elxsi.md: Likewise.
14212 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14214 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
14215 case for moving from HI/LO/HI_LO_REG. This makes the behavior
14216 match the comment for MIPS16.
14218 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
14220 * flow.c (split_edge): Do not call set_block_for_insn if we
14221 do not have a basic_block_for_insn structure.
14223 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
14224 and destination functions are 32bit aligned within the trampoline.
14225 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
14226 (TRAMPOLINE_ALIGNMENT): Define.
14228 * cse.c (cse_insn): When changing (set (pc) (reg)) to
14229 (set (pc) (label_ref)), verify the change creates a valid insn.
14231 * fr30.c (call_operand): Tighten and rework to match rules for
14232 call RTL expressions.
14233 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
14234 * fr30.md (call patterns): Improve constraints.
14236 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
14238 * fr30.c (fr30_expand_epilogue): Revert last change.
14239 Use emit_jump_insn for the return insn.
14241 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
14242 Stan Cox <scox@cygnus.com>
14244 * predict.c: New file. Preliminary infrastructure work for static
14245 branch prediction and basic block reordering.
14246 * basic-block.h: Add prototype for estimate_probability.
14247 * Makefile.in: Add rules for predict.o.
14249 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
14251 * fixincludes (va_list): Use __not_va_list__ for the dummy.
14252 * fixinc/*: Likewise.
14254 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14256 * cccp.c: PROTO -> PARAMS.
14257 * cexp.y: Likewise.
14258 * collect2.c: Likewise.
14259 * combine.c: Likewise.
14260 * convert.h: Likewise.
14262 * dbxout.c: Likewise.
14263 * dbxout.h: Likewise.
14264 * diagnostic.c: Likewise.
14265 * doprint.c: Likewise.
14266 * dwarf2out.c: Likewise.
14267 * dwarf2out.h: Likewise.
14268 * dwarfout.c: Likewise.
14269 * dwarfout.h: Likewise.
14270 * dyn-string.h: Likewise.
14272 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14274 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
14275 macro conditionals guarding use.
14277 * dwarf2out.c: Include "tm_p.h".
14279 * function.c (locate_and_pad_parm): Mark parameter with
14281 (expand_function_end): Likewise for variable `context'.
14283 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
14285 2000-01-13 Nick Clifton <nickc@cygnus.com>
14287 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
14288 register to prevent compile time warnings.
14290 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
14292 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
14293 to avoid -Wtraditional warning.
14295 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14297 * 1750a-protos.h: New file.
14299 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
14302 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
14305 * 1750a.md: Likewise.
14307 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14309 * a29k-protos.h: New file.
14311 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
14314 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
14317 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14319 * clipper-protos.h: New file.
14321 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
14324 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
14327 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14329 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
14331 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14333 * configure.in (--enable-new-gxx-abi): New option.
14334 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14335 * Makefile.in (GXX_ABI_FLAG): New variable.
14336 * configure: Regenerate.
14338 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14340 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14341 * tm.texi (FORCE_STRUCT_BLK): Document.
14342 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14344 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14346 * config/ns32k/ns32k.md: Revert Jan 9 change.
14348 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14349 to a mode-test, if the predicate is address_operand.
14351 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14353 * combine.c (if_then_else_cond): Be careful about what kinds
14354 of RTL expressions are passed to operand_subword.
14356 * flow.c (split_edge): If we have to insert a new jump, make
14357 sure to associate it with a basic block.
14359 * flow.c (commit_one_edge_insertion): A block with one successor
14360 can end in a JUMP_INSN that is not a simplejump.
14362 2000-01-12 Robert Lipe <robertl@sco.com>
14364 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14365 (BUILD_VA_LIST_TYPE): Define.
14366 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14369 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14371 * cccp.c (do_pragma): Add cast to (char *).
14373 2000-01-12 Richard Henderson <rth@cygnus.com>
14374 Fred Fish <fnf@be.com>
14375 Jason Merrill <jason@cygnus.com>
14377 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14378 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14379 * i386/beos-elf.h, i386/beos-pe.h: New files.
14381 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14382 * cross-make (SYSTEM_HEADER_DIR): Define using
14383 CROSS_SYSTEM_HEADER_DIR.
14385 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14386 (process_command): Use it.
14387 (main): Likewise. Kill trailing = from env vars.
14388 (build_search_list): Put it back.
14389 * collect2.c (main): Use LIBRARY_PATH_ENV.
14391 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14392 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14394 * tm.texi (Frame Layout): Document SMALL_STACK.
14395 * c-common.c (c_common_nodes_and_builtins): Check it.
14397 * system.h: Undef alloca after including glibc's <stdlib.h>,
14398 if USE_C_ALLOCA is defined.
14400 * gcc.c (set_input): New fn.
14401 (main): After all input files are compiled, reset the input file
14404 * aclocal.m4 (rindex, index): If already defined, don't attempt
14407 * ginclude/varargs.h: (__va_list__): Define ifndef.
14408 * ginclude/stdarg.h: Likewise.
14410 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14411 instead of unsigned char.
14413 * hash.h (true, false, boolean): Undef before enum.
14415 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14416 proper type of "HOST_WIDE_INT *", rather than their natural type of
14417 "unsigned HOST_WIDE_INT *".
14419 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14421 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14423 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14425 * regclass.c (choose_hard_reg_mode): Likewise.
14427 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14429 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14431 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14433 * c-common.c: PROTO -> PARAMS.
14434 * c-common.h: Likewise.
14435 * c-decl.c: Likewise.
14436 * c-iterate.c: Likewise.
14437 * c-lang.c: Likewise.
14438 * c-lex.c: Likewise.
14439 * c-lex.h: Likewise.
14440 * c-parse.in: Likewise.
14441 * c-pragma.c: Likewise.
14442 * c-pragma.h: Likewise.
14443 * c-tree.h: Likewise.
14444 * c-typeck.c: Likewise.
14445 * objc/objc-act.c: Likewise.
14446 * objc/objc-act.h: Likewise.
14448 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14450 * m88k-protos.h: New file.
14452 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14455 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14457 * m88k.md: Likewise.
14459 * tekXD88.h: Likewise.
14461 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14463 * m68k-protos.h: New file.
14465 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14468 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14470 * mot3300.h: Likewise.
14472 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14474 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14476 (extract_bitlist): Declare bitlen.
14478 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14480 * cccp.c: Accept and ignore -lang-fortran.
14482 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14483 qualifiers don't match at any level of pointerness.
14485 2000-01-12 Robert Lipe <robertl@sco.com>
14487 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14489 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14491 * reload1.c (reload_reg_unavailable): New static variable.
14492 (reload_reg_free_p): Test it.
14493 (reload_reg_free_for_value_p): Test it instead of
14495 (choose_reload_regs_init): Compute it.
14497 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14499 * reorg.c (fill_slots_from_thread): Check modified_in_p
14502 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14504 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14505 these nodes even if INTERNALS is not set.
14507 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14509 * gcse.c (delete_null_pointer_checks_1): Cope when
14510 get_condition cannot determine the condition.
14512 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14514 * toplev.h (set_message_length): Declare.
14516 * diagnostic.c (obstack_chunk_alloc): Define macro.
14517 (obstack_chunk_free): Likewise.
14518 (struct output_buffer): New data structure.
14519 (vmessage): Remove.
14520 (output_maximum_width): New variable.
14521 (doing_line_wrapping, set_message_length, init_output_buffer,
14522 get_output_prefix, output_space_left, emit_output_prefix,
14523 output_newline, output_append, output_puts, dump_output,
14524 vbuild_message_string, build_message_string, build_location_prefix,
14525 voutput_notice, output_printf, line_wrapper_printf,
14526 vline_wrapper_message_with_location): New functions. Implement
14527 automatic line wrapping.
14528 (v_message_with_decl): Make it handle automatic line wrapping.
14529 (v_error_with_file_and_line): Likewise.
14530 (v_warning_with_file_and_line): Likewise.
14531 (announce_function): Likewise.
14532 (default_print_error_function): Likewise.
14534 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14536 * cpplib.h (struct cpp_options): Change lang_asm to char.
14538 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14539 done in cpp_handle_option now.
14540 (initialize_builtins): Take out special case code used only by
14542 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14543 if -traditional. Recognize -lang-fortran and set
14544 lang_fortran, also turn off cplusplus_comments.
14545 (print_help): Document -lang-fortran.
14546 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14547 lang_asm. Ignore all directives other than `# 123 "file"' if
14549 (cpp_get_token): If -traditional, don't recognize directives
14550 unless the # is in column 1.
14551 (parse_string): If lang_fortran or lang_asm, silently
14552 terminate strings ('' or "") at end of line.
14553 Remove unnecessary braces.
14555 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14556 Richard Henderson <rth@cygnus.com>
14558 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14560 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14561 strict_low_part when possible.
14563 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14565 * alias.c: PROTO -> PARAMS.
14566 * basic-block.h: Likewise.
14567 * bitmap.c: Likewise.
14568 * bitmap.h: Likewise.
14569 * builtins.c: Likewise.
14570 * c-aux-info.c: Likewise.
14571 * caller-save.c: Likewise.
14572 * calls.c: Likewise.
14574 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14576 * Makefile.in (toplev.o): Depend on regs.h.
14578 * output.h (tdesc_section): Prototype.
14580 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14582 * sdbout.c: Include "tm_p.h".
14584 * toplev.c: Include "regs.h".
14586 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14588 * unroll.c (unroll_loop): Add EH support.
14590 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14592 * pa-protos.h: New file.
14594 * pa.c: Include recog.h and tm_p.h.
14595 (compute_zdepwi_operands, compute_movstrsi_length,
14596 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14597 find_addr_reg, import_milli): Add static prototypes.
14598 (pa_cpu_string, pa_arch_string): Constify a char*.
14599 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14600 (read_only_operand): Add argument `mode'.
14601 (singlemove_string, output_move_double, output_fp_move_double,
14602 output_block_move, output_and, output_ior, output_ascii,
14603 remove_useless_addtr_insns, milli_names, output_mul_insn,
14604 output_div_insn, output_mod_insn, output_arg_descriptor,
14605 output_cbranch, output_bb, output_bvb, output_dbra, ,
14606 output_millicode_call, output_call, hppa_encode_label,
14607 output_parallel_movb, output_parallel_addb): Constify a char*.
14608 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14609 (output_parallel_addb): Remove extra arg to `constrain_operands'
14611 * pa.h: Move all prototypes to pa-protos.h.
14612 (pa_cpu_string, pa_arch_string): Constify a char*.
14613 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14615 * pa.md: Call `function_label_operand' with mode argument.
14616 Likewise for `read_only_operand'.
14617 Fix nesting of parens in call to `symbolic_operand'.
14619 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14621 * i860-protos.h: New file.
14623 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14626 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14628 * i860.md: Likewise.
14630 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14632 * i386.md (movstrsi expander): Rewrite.
14633 (movstrsi_1 insn): Deleted.
14634 (strmovhi, strmovqi expander): New expanders.
14635 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14636 * i386.c (x86_single_stringop): New global variable.
14637 * i386.h (x86_single_stringop): Declare.
14638 (TARGET_SINGLE_STRINGOP): New macro.
14640 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14642 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14643 integer vararg POSTINCREMENT before the destination of the jump
14644 for the hard fp case.
14645 (function_arg_pass_by_reference): Pass a copy of CUM to
14648 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14649 for CONSTANT_ADDRESS_P above while loop for subreg.
14651 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14653 * flow.c (propagate_block): When a prologue/epilogue insn
14654 is marked dead, unconditionally clear libcall_is_dead and
14655 insn_is_dead, and only dump rtl if warnings aren't being
14658 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14660 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14661 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14662 (FIXED_REGISTERS): Set dirflag as fixed.
14663 (CALL_USED_REGISTERS): Set dirflag as used.
14664 (REG_ALLOC_ORDER): Set dirflag as last one.
14665 (DIRFLAG_REG): New macro.
14666 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14667 (HI_REGISTER_NAMES): Add dirflag.
14668 (DEBUF_PRINT_REG): Handle dirflag.
14669 * i386.md (type attribute): New cld and str types.
14670 (length_opcode attribute): Set cld and str to 1.
14671 (memory attribute): Set str to unknown - it is not clear from the
14673 (pent_np function unit): Prefixed string operations takes 12 cycles
14674 minimally; cld takes 2 cycles.
14675 (ppro_uops attribute): Str is "many" and cld is "few".
14676 (ppro_p0 unit): Handle cld here.
14677 (k6_alux unit): Handle cld and str types.
14678 (k6_load unit): It is ocupied by str opcodes.
14679 (k6_store unit): It is ocupied by str opcodes.
14680 (athlon_decode): Str is vector decoded.
14681 (athlon_ieu): Handle str and cld.
14682 (cld pattern): New.
14683 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14684 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14685 cmpstrsi_nz_1 insn): Do not output cld instruction
14687 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14689 * gcc.texi (G++ and GCC): Add Java and Chill.
14690 (Bug Critera): Don't list languages.
14692 * gcc.texi (Incompatibilities): No longer claim most C compilers
14695 * gcc.texi (G++ and GCC): Update other front-ends list.
14697 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14699 * i386.c (ix86_expand_setcc): Fix typo.
14700 (ix86_expand_movcc): Similarly.
14702 * Band-aid until haifa's bitset implementation is nuked.
14703 * haifa-sched.c (extract_bitlst): New parameter for size of the
14704 bitset in bits. All callers changed. Avoid looking at undefined
14705 bits in the bitset.
14706 (edgeset_bitsize): New variable.
14707 (schedule_region): Initialize edgeset_bitsize.
14709 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14711 * Makefile.in (optabs.o): Depend on real.h
14712 (resource.o): Depend on insn-attr.h
14714 * builtins.c (result_vector): Wrap prototype in macro conditions
14715 governing definition and use.
14717 * c-common.c: Include tm_p.h.
14719 * c-lex.c: Likewise.
14721 * elfos.h: Constify a char*.
14723 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14724 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14725 parameter with ATTRIBUTE_UNUSED.
14727 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14730 * haifa-sched.c (schedule_insns): Mark parameter with
14733 * optabs.c: Include real.h.
14735 * real.h (ereal_atof): Add prototype arguments.
14737 * resource.c: Include insn-attr.h.
14739 * sdbout.c (sdbout_queue_anonymous_type,
14740 sdbout_dequeue_anonymous_types): Wrap in macro
14741 SDB_ALLOW_FORWARD_REFERENCES.
14742 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14745 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14747 * stupid.c: Include tm_p.h.
14749 * tree.c (real_value_from_int_cst): Mark parameter with
14752 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14754 * i960-protos.h: New file.
14756 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14759 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14761 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14763 * combine.c (expand_field_assignment): Do not discard SUBREGs
14764 while computing nonzero_bits.
14766 2000-01-09 Nick Clifton <nickc@cygnus.com>
14768 * config/arm/arm.c: Fix compile time warnings about signed vs
14769 unsigned constants.
14770 * config/arm/arm.h: Fix compile time warnings about signed vs
14771 unsigned constants.
14773 2000-01-09 Philip Blundell <philb@gnu.org>
14775 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14776 than `ldm' with only one register.
14777 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
14780 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
14783 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
14785 * config/ns32k/ns32k.md (load or push effective address): Operand 1
14788 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14790 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
14791 assignment used as truth value.
14793 * function.c (assign_temp): Mark parameter `dont_promote' with
14794 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
14795 PROMOTE_FOR_CALL_ONLY.
14797 * genrecog.c (write_subroutine): Mark variable `operands' with
14800 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
14803 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
14804 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
14806 * toplev.c (note_deferral_of_defined_inline_function): Likewise
14809 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14811 * config/c4x.h: Tidy up comments.
14812 * config/c4x.c: Likewise.
14814 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
14816 * fold-const.c (lshift_double, rshift_double): Handle
14817 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
14819 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14821 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
14822 in prepare_function_start().
14824 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
14826 * config/v850/v850.c (expand_epilogue): Interrupt functions no
14827 longer allocate extra stack for function calls.
14829 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14831 * config/c4x/c4x.md (*subqf3_set): Fix typo.
14833 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14835 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
14837 2000-01-07 David Edelsohn <edelsohn@gnu.org>
14839 * rs6000.c (processor_target_table): Add power3 as alias for 630.
14840 * aix43.h: Revert Aug 2 change.
14841 (HAS_INIT_SECTION): Define, not visible yet.
14842 (LD_INIT_SWITCH): Define, not visible yet.
14843 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
14845 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
14847 * collect2.c (main): Expand ld2 size further.
14848 (export_object_lst): Cast assignment to avoid warning.
14849 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
14850 (scan_prog_file, COFF): Do not collect initialization or
14851 finalization functions generated for entire shared object if
14852 init/fini support present.
14854 2000-01-07 Nick Clifton <nickc@cygnus.com>
14856 * config/elfos.h: Tidy up formatting of marcos. Make sure
14857 that .section directives are always prefixed by a tab.
14859 * config/svr4.h: Add #include "elfos.h" and remove duplicate
14862 2000-01-07 Matt Austern <austern@sgi.com>
14864 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
14867 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
14869 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
14871 (crtbegin.o, s-crtS): Likewise.
14873 2000-01-06 Richard Henderson <rth@cygnus.com>
14875 * alpha.md (adddi_2+1): Limit offset such that it will be
14876 loadable with a single ldah+lda pair.
14877 (adddi_2+2): Explicitly fail split if we can't make it work.
14879 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
14881 * protoize.c: Conditionally include unistd.h.
14882 (IS_SAME_PATH_CHAR): New macro.
14883 (IS_SAME_PATH): New macro.
14884 (CPLUS_FILE_SUFFIX): New macro.
14885 (cplus_suffix): New static variable.
14886 (is_abspath): New static function.
14887 (in_system_include_dir): Handle DOS style pathnames.
14888 (file_could_be_converted): Likewise.
14889 (file_normally_convertible): Likewise.
14890 (directory_specified_p): Likewise.
14891 (file_excluded_p): Likewise.
14892 (abspath): Likewise.
14893 (shortpath): Likewise.
14894 (referenced_file_is_newer): Likewise.
14895 (save_def_or_dec): Likewise.
14896 (do_processing): Likewise.
14898 (edit_file): Likewise. Use rename instead of link.
14899 (rename_c_file): Likewise. Don't rename syscalls file.
14900 (munge_compile_params): Define null device for DOS based systems.
14901 (process_aux_info_file): Use binary mode if appliable.
14902 (edit_file): Likewise.
14903 * invoke.texi (Running Protoize): Document C++ suffixes used.
14905 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
14906 IS_DIR_SEPARATOR macros.
14907 * collect2.c: Likewise.
14908 * cppinit.c: Likewise.
14909 * dwarf2out.c: Likewise.
14911 * gcov.c: Likewise.
14912 * prefix.c: Likewise.
14914 * toplev.c: Likewise.
14915 * system.h: And move to here.
14917 * prefix.c (update_path): Fix typo in variable name.
14919 2000-01-06 Richard Henderson <rth@cygnus.com>
14921 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
14922 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
14923 (count_reg_sets_1, count_reg_references): Likewise.
14924 (flow_loops_level_compute): Start counting actual loop depth at 1.
14925 (flow_loops_find): Likewise.
14926 * local-alloc.c (update_equiv_regs): Likewise.
14927 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
14929 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14931 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
14932 FIRST_PSEUDO_REGISTER
14933 * dwarf2out.c: Don't include frame.h
14934 * dwarfout.c: Likewise
14935 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
14938 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
14940 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14943 * i386.c (movsf splitter): Fix typo in my last checkin.
14945 2000-01-05 Nick Clifton <nickc@cygnus.com>
14947 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
14948 own definition of this macro.
14949 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
14950 flag_data_sections or UNIQUE_SECTION_P are true.
14952 * tm.texi (UNIQUE_SECTION): Document that it can be called for
14953 unitialised data decls.
14955 * config/i386/winnt.c (i386_pe_unique_section): Cope with
14956 being called for uninitialised data.
14958 * config/i386/interix.c (i386_pe_unique_section): Cope with
14959 being called for uninitialised data.
14961 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
14962 for uninitialised data.
14964 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
14965 for uninitialised data.
14967 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
14968 for uninitialised data.
14970 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
14971 (UNIQUE_SECTION_P): Always generate a unique section if
14972 flag_data_sections is true.
14973 (UNIQUE_SECTION): Also generate unique sections for
14974 uninitialised data.
14975 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
14976 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
14979 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14981 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
14984 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14986 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
14987 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
14988 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
14989 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
14990 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
14992 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
14994 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14996 * c-decl.c (finish_enum): Simplify code to determine minimum and
14997 maximum values of the enum, and calculate the type. Remove check
14998 for FUNCTION_DECLs in the values list, which cannot happen. Replace
14999 the DECL_INITIAL of each enumeration constant with a copy converted
15000 to the enumeration type. When updating variant types, don't bother
15001 updating the type itself.
15003 * c-typeck.c (build_binary_op): Simplify conditional expressions
15004 when weeding out spurious signed-unsigned warnings. Add new
15005 spurious warning category: if the unsigned quantity is an enum
15006 and its maximum value fits in signed_type(result_type). Update
15008 (build_conditional_expr): Warn here if one alternative is signed
15009 and the other is unsigned.
15011 2000-01-05 Nick Clifton <nickc@cygnus.com>
15013 * config/fr30/fr30.h: Remove extraneous comments.
15015 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
15017 * reload1.c (choose_reload_regs): When disabling a reload, also
15018 set reload_spill_index to -1.
15020 2000-01-04 Joel Sherrill (joel@OARcorp.com>
15022 * configure.in (m68*-*-rtemscoff*): New target, formal name for
15024 (m68*-*-rtemself*): New target.
15025 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
15026 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
15027 (sparc*-*-rtemself*): New target.
15028 (sparc*-*-rtems*): Now elf not a.out.
15029 * config/i386/rtems.h: Include config/rtems.h.
15030 * config/i386/rtemself.h: Include config/rtems.h.
15031 * config/i960/rtems.h: Include config/rtems.h.
15032 * config/m68k/rtems.h: Include config/rtems.h.
15033 * config/m68k/rtemself.h: Include config/rtems.h.
15034 * config/mips/rtems64.h: Include config/rtems.h.
15035 * config/pa/rtems.h: Include config/rtems.h.
15036 * config/rs6000/rtems.h: Include config/rtems.h.
15037 * config/sh/rtems.h: Include config/rtems.h.
15038 * config/sh/rtemself.h: Include config/rtems.h.
15039 * config/sparc/rtems.h: Include config/rtems.h.
15040 * config/sparc/rtemself.h: Include config/rtems.h
15042 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
15044 * final.c (shorten_branches): Correctly compute length of
15045 asms without operands.
15047 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
15049 * configure.in: Add pj target.
15050 * configure: Regenerate.
15051 * config/pj: New directory.
15052 * config/pj/lib1funcs.S: New file.
15053 * config/pj/linux.h: New file.
15054 * config/pj/pj.c: New file.
15055 * config/pj/pj.md: New file.
15056 * config/pj/pjl.h: New file.
15057 * config/pj/t-pj: New file.
15058 * config/pj/xm-pj.h: New file
15060 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
15062 * toplev.c (rest_of_compilation): Run shorten-branches before
15065 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15067 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
15068 macros so that they're consistent with their names.
15069 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15070 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15072 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15074 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
15075 modified inadvertently.
15077 2000-01-04 Joel Sherrill <joel@OARcorp.com>
15079 * configure.in (v850*-*-rtems*): New target.
15080 * configure: Regenerate.
15081 * config/v850/rtems.h: New file.
15083 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
15085 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
15086 (__gthread_key_create): Likewise.
15087 (__gthread_key_dtor): Likewise.
15088 (__gthread_once): Fix logic.
15089 (__gthread_key_delete): Cast away constness.
15091 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
15092 * invoke.texi: Document.
15093 * i386/mingw32.h (CPP_SPEC): Use.
15094 (LIBGCC_SPEC): Likewise.
15095 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
15097 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15099 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
15100 (HANDLE_PRAGMA_PACK): Undefine.
15101 (SLOW_UNALIGNED_ACCESS): Define.
15103 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15105 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15106 to default definition.
15107 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
15108 (store_fixed_bit_field): Call macro with word_mode and alignment.
15109 (extract_bit_field): Call macro with relevant mode and alignment.
15110 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15111 to default definition.
15112 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
15114 (move_by_pieces_ninsns): Likewise.
15115 (clear_by_pieces): Likewise.
15116 (emit_push_insn): Likewise.
15117 (store_field): Call macro with relevant mode and alignment.
15118 (expand_expr): Likewise.
15119 (expand_expr_unaligned): Likewise.
15121 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
15122 (SLOW_UNALIGNED_ACCESS): Define.
15123 (CASE_VECTOR_MODE): Always use 32-bit offsets.
15124 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
15125 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
15126 (toc_section): Likewise and .toc pseudo-op.
15127 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
15129 (TEXT_SECTION_ASM_OP): Likewise.
15130 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
15133 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
15134 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
15135 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
15136 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
15137 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
15139 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
15141 * regclass.c: Revert my Jan 4 change to loop cost computation.
15143 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15145 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
15148 2000-01-04 Stan Cox <scox@cygnus.com>
15150 * haifa-sched.c (build_control_flow): Change unreachable simple
15151 loop test to check if current block has only one predecessor.
15152 (find_rgns): Initialize degree. Use dest as degree index, not src.
15154 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15156 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
15158 * calls.c (expand_call): Likewise for
15159 `old_stack_arg_under_construction'.
15161 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
15163 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
15166 * gcc.c (execute): Likewise for `ut' and `st'.
15168 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
15170 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
15172 * jump.c (jump_optimize_1): Likewise for `temp2'.
15174 * local-alloc.c (block_alloc): Likewise for `r1'.
15176 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
15178 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
15179 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
15181 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
15184 * reload.c (find_reloads): Likewise for `goal_alternative_number'
15185 and `goal_earlyclobber'.
15187 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
15189 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
15191 * stupid.c (stupid_life_analysis): Likewise for `chain'.
15193 * unroll.c (copy_loop_body): Likewise for `copy'.
15195 * varasm.c (output_constructor): Likewise for `byte'.
15197 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15199 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
15200 all FP constants for constant->reg moves.
15201 (ix86_split_to_parts): Try to convert memory address into immediate
15202 when available in the constant pool.
15203 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
15205 (LEGITIMATE_CONSTANT_P): Return 1.
15206 * i386.md (pushsf): New splitter to convert constant pool memory
15207 reference to immediate.
15208 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
15211 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
15213 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
15214 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
15215 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
15216 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
15217 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
15219 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
15221 * ginclude/stdbool.h: Support compilation as C++.
15223 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15225 * fold-const.c (make_range): Don't try to reverse an unbounded range.
15227 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
15229 * regclass.c (regclass): Properly compute loop_cost. Adjust
15232 * regclass.c: Fix minor whitespace problems.
15234 2000-01-03 Anthony Green <green@cygnus.com>
15236 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
15237 Restore the pic register if required.
15239 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
15241 * c-common.c (format_char_info): Update comment.
15242 (check_format_info): Recognize 'z' modifier in the same way 'Z'
15243 was recognized. Emit warning for formats new in ISO C99 only
15244 if flag_isoc9x is not set.
15246 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
15248 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
15250 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15252 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
15253 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
15254 (make_compound_operation): Choose cheaper alternative between
15255 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
15257 * regclass.c (op_costs): Remove global variable.
15258 (record_reg_classes): New parameter "op_costs" and "reg_pref".
15259 (record_operand_costs): Break out from ...
15260 (scan_one_insn): ... here.
15261 (dump_regclass): Make dumps nicer.
15262 (regclass): Dump preferrences choosed and changes done during passes.
15264 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15266 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
15268 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15270 * config/sparc/sparc.c (gen_df_reg): New function.
15271 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
15272 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
15273 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
15274 movtf_cc_reg_sp64+1): Use it.
15276 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15278 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
15279 copied LABEL_DECLs.
15281 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15283 * config/i386/i386.c (ix86_expand_unary_operator): Function
15284 definition made void.
15285 (ix86_expand_binary_operator): Update outdated preceding comment.
15286 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
15289 * config/i386/i386.c (override_options): Fix option-name typo.
15291 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15293 * system.h (CEIL): Define.
15294 * builtins.c (CEIL): Remove.
15295 * expmed.c (CEIL): Likewise.
15296 * expr.c (CEIL): Likewise.
15297 * stor-layout.c (CEIL): Likewise.
15299 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15301 * expr.c (store_constructor_field): Fix typo introduced with last
15304 2000-01-01 Mark Mitchell <mark@codesourcery.com>
15306 * tree.h (BINFO_N_BASETYPES): New macro.
15308 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
15310 * expmed.c (emit_store_flag): Prevent losing a pending stack
15311 adjust the same way we prevent losing queued increments.
15313 See ChangeLog.2 for earlier changes.