1 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3 * toplev.c (main): Fix misspellings of possibility and language.
5 2000-06-03 Richard Henderson <rth@cygnus.com>
7 * alias.c (record_alias_subset): Initialize has_zero_child in the
10 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
12 * arm.md (untyped_call): Use GEN_CALL macro.
14 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
16 * Makefile.in: Use $(MAKE) not "make"
18 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
20 * alias.c (struct alias_set_entry): New field has_zero_child.
21 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
22 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
24 Call record_component_aliases for aggregate types.
25 (record_alias_subset): Set has_zero_child.
26 (record_component_aliases, case ARRAY_TYPE): Do nothing if
27 TYPE_NONALIASES_COMPONENT.
28 (record_component_aliases, case RECORD_TYPE): Test
29 DECL_NONADDRESSABLE_P.
30 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
32 * calls.c (initialize_argument_information): Only test
33 TYPE_TRANSPARENT_UNION for UNION_TYPE.
34 * function.c (assign_parms): Likewise.
35 * integrate.c (function_cannot_inline_p): Likewise.
36 * stor-layout.c (finish_record_layout): Don't call
37 record_component_aliases.
38 * tree.h (struct tree_int_cst): Use struct tree_common.
39 (struct tree_real_cst, struct tree_string): Likewise.
40 (struct tree_complex, struct tree_identifier): Likewise.
41 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
42 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
43 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
44 (TYPE_NONALIASES_COMPONENT): New macro.
45 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
46 (DECL_NONADDRESSABLE_P): New macro.
47 (struct tree_decl): Reorder bits for clarity of how many left;
50 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
52 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
53 * mklibgcc.in (force): New target.
54 Make LIB2ADD stuff depend on it.
56 2000-06-02 Richard Henderson <rth@cygnus.com>
58 * alias.c (lang_get_alias_set): Remove.
59 (get_alias_set): Call it directly, not indirectly.
60 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
61 * c-common.h (c_get_alias_set): Don't declare.
62 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
63 * expr.h (lang_get_alias_set): Declare as function, not pointer.
65 2000-06-02 Bruce Korb <bkorb@gnu.org>
67 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
68 (server_setup): define the server's master pid
69 (close_server): actually do the deed IFF we are the server's master
71 2000-06-02 Jakub Jelinek <jakub@redhat.com>
73 * c-common.c (c_get_alias_set): Check whether signed_type did not
74 return its argument before calling get_alias_set on the result.
76 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
78 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
80 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
82 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
83 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
85 (NOMACSAVE_BIT): Define.
86 (TARGET_NOMACSAVE): Define.
87 (TARGET_SWITCHES): Add "nomacsave".
89 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
91 * sh.md (untyped_call): Remove excess parameters
93 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
95 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
96 match that used before the conversion to c_fix style.
97 * fixinc/fixincl.x: regenerate
99 2000-06-01 Stan Cox <scox@cygnus.com>
101 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
104 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
106 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
108 * cpplib.c (parse_include): Remove support for VAX-C
109 "#include starlet" misfeature.
111 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
113 * cppfiles.c: conditionally define O_BINARY.
114 (open_include_file): pass O_BINARY to open().
116 2000-06-01 Richard Henderson <rth@cygnus.com>
118 * i960.c (i960_br_predict_opcode): Remove.
119 (i960_print_operand) [+]: Emit branch prediction hints.
120 (i960_function_arg): Return early for VOIDmode.
121 (i960_round_align): Return early for incomplete types.
122 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
123 * i960.md (all conditional branches): Add "%+".
125 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
127 * alias.c (get_alias_set): Don't call language-specific routine more
128 than is needed and clean up code a bit.
129 * c-common.c (c_get_alias_set): All references whose type
130 is char get alias set 0, but character types need not.
131 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
132 (make_decl_rtl): Don't call it for FUNCTION_DECL.
134 2000-06-01 Bruce Korb <bkorb@gnu.org>
136 * fixinc/tests/base/...: new base result files
138 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
140 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
141 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
142 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
145 2000-06-01 Richard Henderson <rth@cygnus.com>
147 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
149 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
151 2000-05-31 Richard Henderson <rth@cygnus.com>
153 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
154 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
155 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
157 2000-05-31 Richard Henderson <rth@cygnus.com>
159 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
160 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
161 (ia64_print_operand) [+]: ... here. Use current_output_insn.
162 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
163 * config/ia64/ia64.md (all branch/call patterns): Use %+.
165 2000-05-31 Richard Henderson <rth@cygnus.com>
167 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
169 2000-05-31 Richard Henderson <rth@cygnus.com>
171 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
173 (find_if_block): Allow THEN with no outgoing edges.
174 * flow.c (merge_blocks_nomove): Remove a barrier not following
177 2000-05-31 Richard Henderson <rth@cygnus.com>
179 * flow.c (propagate_block): Move initialization of mem_set_list ...
180 (init_propagate_block_info): ... here. Also track blocks with
181 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
183 2000-05-31 Richard Henderson <rth@cygnus.com>
185 * jump.c (jump_optimize_1): Revert 05-18 change.
187 2000-05-31 Mark Mitchell <mark@codesourcery.com>
189 * invoke.texi: Remove documentation for -fguiding-decls.
191 2000-05-31 Richard Henderson <rth@cygnus.com>
193 * configure.in: Fix typo last change.
195 2000-05-31 Philipp Thomas <pthomas@suse.de>
197 * configure.in (enable-nls): Enable if build == host, i.e. when
198 not building a canadian cross compiler.
199 (enable-maintainer-mode): Added for use with i18n.
200 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
201 cross section of ALL_LINGUAS and LINGUAS.
202 * configure: Rebuild.
204 2000-05-31 Bruce Korb <bkorb@gnu.org>
206 * fixinc/check.tpl: rework to use test result tree
207 * fixinc/Makefile.in: change invocation of check script
208 * fixinc/check.diff: No longer needed
209 * fixinc/fixincl.x: regenerate
210 * fixinc/inclhack.def: add new tests
211 * fixinc/tests/base/arch/i960/archI960.h: New test result
212 * fixinc/tests/base/curses.h: modified test result
213 * fixinc/tests/base/stdio.h: ditto
214 * fixinc/tests/base/time.h: ditto
215 * fixinc/tests/base/sys/asm.h: ditto
216 * fixinc/tests/base/sys/stat.h: ditto
217 * fixinc/tests/base/sys/wait.h: ditto
219 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
221 * except.c (clear_function_eh_region): Do not free NULL.
223 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
225 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
226 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
227 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
228 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
229 (find_base_decl): New function, from c_find_base_decl in c-common.c.
230 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
231 (get_alias_set): Likewise.
232 Major rework to do more things and allow language-specific code
233 to just handle special-cases.
234 (record_alias_subset): Args are HOST_WIDE_INT.
235 (record_component_alias): Local vars are HOST_WIDE_INT.
236 Don't handle COMPLEX_EXPR.
237 (get_varargs_alias_set): Moved from builtins.c.
238 (get_frame_alias_set): New function.
239 * builtins.c (expand_builtin_return_address): Use frame alias set.
240 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
242 (get_memory_rtx): Rework to use set_mem_attributes.
243 (get_varargs_alias_set): Deleted from here.
244 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
245 (c_find_base_decl): Deleted from here.
246 (c_get_alias_set): Remove many cases and rework to just handle
248 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
249 * c-decl.c (rtl.h, expr.h): Now included.
250 (init_decl_processing): Call record_component_aliases on array types.
251 (grokdeclarator): Likewise.
252 Set TREE_ADDRESSABLE for all fields that are not bitfields.
253 * c-typeck.c (common_type): Call record_component_aliases for array.
254 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
255 Set all save areas to the frame alias set.
256 * calls.c (initialie_argument_information): Call set_mem_attributes.
257 (compute_argument_addresses, expand_call): Likewise.
258 * explow.c (set_mem_attributes): New function.
259 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
260 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
261 LEN and OFFSET now HOST_WIDE_INT.
262 (clear_by_pieces): Similar changes.
263 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
264 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
265 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
266 (clear_by_pieces_1): Likewise.
267 (emit_push_insn): Call set_mem_attributes.
268 (expand_expr, case INDIRECT_REF): Likewise.
269 (expand_expr, case VAR_DECL): Call change_address.
270 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
272 (get_varargs_alias_set, get_frame_alias_set): New decls.
273 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
274 (new_alias_set, set_mem_attributes): Likewse.
275 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
276 (assign_stack_temp_for_type): Likewise.
277 Can split slot even if alias set since can copy.
278 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
279 (assign_temp): Use host_integerp and tree_low_cst.
280 (put_var_into_stack): Properly handle SAVE_EXPR.
281 (put_addressof_into_stack): Likewise.
282 (assign_parms): Call set_mem_attributes.
284 (fix_lexical_address): Put reference to chain into frame alias set.
285 (expand_function_start): Call set_mem_attributes.
286 * integrate.c (expand_inline_function): Likewise.
287 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
288 * regmove.c (try_apply_stack_adjustment): Likewise.
289 * reload.c (push_reload, make_memloc): Likewise.
290 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
291 * rtl.def (MEM): Update comment.
292 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
293 (move_by_pieces): Change length to HOST_WIDE_INT.
294 (record_base_value, record_alias_subset): Delete from here.
295 * stmt.c (expand_decl): Call set_mem_attributes.
296 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
297 * toplev.c (compile_file): Call init_alias_once earlier.
298 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
299 from here: now in alias.c.
300 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
301 (struct tree_decl): Likewise.
302 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
303 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
304 (output_constant_def, force_const_mem): Likewise.
306 * flow.c (propagate_block): If block has no successors, stores to
307 frame are dead if not used.
309 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
311 * stmt (expand_end_case): Reorder conversion sequence for jump
312 table to avoid extra truncations.
314 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
316 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
317 in the block is more than just a simple conditional branch.
318 (noce_process_if_block): Similarly.
320 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
322 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
325 2000-05-30 Michael Meissner <meissner@redhat.com>
327 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
328 instructions. Treat LO_SUM operations as loading the full integer
331 2000-05-30 Richard Henderson <rth@cygnus.com>
333 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
335 2000-05-30 Richard Henderson <rth@cygnus.com>
337 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
339 2000-05-30 Bruce Korb <bkorb@gnu.org>
341 * fixinc/tests/*: Added expected result files for fixinc's make check
342 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
344 2000-05-30 Richard Henderson <rth@cygnus.com>
346 * config/alpha/alpha.md (*setne_internal): Use match_operator
347 instead of working down from insn.
349 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
351 * invoke.texi (-Wtraditional): Update WRT function macros.
353 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
355 * except.c (free_exception_table): Do not free NULL.
357 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
359 * cpplib.c (do_if): Don't save and restore only_seen_white here.
360 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
363 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
365 * flow.c (mark_used_reg): If a register is unconditionally live,
366 remove any conditional death information.
368 2000-05-29 Richard Henderson <rth@cygnus.com>
370 * final.c (current_output_insn): New.
371 (final_scan_insn): Set it.
372 * output.h: Declare it.
374 2000-05-29 Richard Henderson <rth@cygnus.com>
376 * stor-layout.c (finalize_record_size): Fix typo.
378 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
381 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
383 * cpplib.h (cpp_reader): Remove if_stack. Change
384 potential_control_macro to a cpp_hashnode *. Add skipping flag.
385 * cpphash.h (struct ihash): Change control_macro to a
386 cpp_hashnode * and shorten name to cmacro.
387 Add NEVER_REINCLUDE constant.
389 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
390 Examine the cmacro node directly, no need to call cpp_defined.
391 (_cpp_execute_include, read_include_file): Set cmacro to
392 NEVER_REINCLUDE, not U"".
393 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
394 (cpp_get_token): If pfile->skipping is true, discard text and
395 keep scanning until we hit a directive; don't expand macros.
397 * cpplib.c (struct if_stack): Remove if_succeeded, add
398 was_skipping. Change control_macro to a cpp_hashnode * and
399 shorten name to cmacro. Remove typedef IF_STACK.
400 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
401 (conditional_skip, skip_if_group,
402 consider_directive_while_skipping): Delete.
403 (push_conditional): New.
404 (_cpp_handle_directive): Don't process directives other than
405 conditionals if we are skipping.
407 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
408 Update to new scheme.
409 (validate_else): Skip rest of line here, unconditionally.
410 (_cpp_unwind_if_stack): The stack is per-buffer. Force
413 (all): Remove `scare quotes' from error messages.
415 2000-05-29 Richard Henderson <rth@cygnus.com>
417 * function.c (emit_return_into_block): New line_note arg; emit it.
418 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
419 for the close brace to accompany HAVE_return. Move all line notes
420 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
422 2000-05-29 Richard Henderson <rth@cygnus.com>
424 * longlong.h [__alpha] (count_leading_zeros): New.
425 (count_trailing_zeros): New.
426 (COUNT_LEADING_ZEROS_0): New.
428 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
429 (alpha_split_conditional_move): New.
430 * config/alpha/alpha-protos.h: Prototype them.
431 * config/alpha/alpha.h (PREDICATE_CODES): Update.
432 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
433 * config/alpha/alpha.md: Update ffs cix commentary.
435 (*nabssf2, *nabsdf2): New.
436 (*mov[qhsd]icc_internal): Use add_operand.
437 (if_then_else constant splitters): New.
438 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
439 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
441 2000-05-29 Richard Henderson <rth@cygnus.com>
443 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
444 a constant to NEG or NOT when conditions allow.
446 * combine.c (combine_simplify_rtx): Don't create an if_then_else
447 unless both args are general_operand. Don't canonicalize plus
448 to ior unless it helps.
450 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
451 instead track register_life_up_to_date. Toggle no_new_pseudos
454 2000-05-28 Geoff Keating <geoffk@cygnus.com>
456 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
457 so output_operand doesn't see them.
459 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
461 * lcm.c (make_preds_opaque): Fix comment.
462 (optimize_mode_switching): Use NORMAL_MODE instead of
463 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
464 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
465 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
466 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
467 (MODE_USES_IN_EXIT_BLOCK): Delete.
468 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
469 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
470 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
471 (MODE_NEEDED): Don't look for USE.
472 (EPILOGUE_USES): Define.
474 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
476 * mklibgcc.in (all): Variable initialised to `libgcc'.
478 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
480 * toplev.h (skip_leading_substring): New macro.
481 * toplev.c (decode_f_option): Use skip_leading_substring instead
483 (decode_W_option): Likewise.
485 2000-05-28 Nick Clifton <nickc@cygnus.com>
487 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
490 2000-05-28 Richard Henderson <rth@cygnus.com>
492 * regclass.c (record_operand_costs): Protect reg_changes_size
493 with CLASS_CANNOT_CHANGE_SIZE.
495 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
497 2000-05-28 Richard Henderson <rth@cygnus.com>
499 * function.c (diddle_return_value): A pcc-style struct return
502 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
504 * cppfiles.c: Read files in, using mmap if possible, then
505 prescan them separately.
506 (read_file, read_with_read): New functions.
507 * cpplex.c: Don't define UCHAR_MAX.
508 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
511 * cppinit.c (handle_option): Automatically define __cplusplus,
512 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
513 the respective -lang switch.
515 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
516 prototype): Move to...
517 * cpplib.h: ... here. Rename struct hashnode to struct
518 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
519 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
521 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
523 * config/rs6000/rs6000.md (movsi): Constify 'name'.
525 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
526 (class_can_change_size): New variable.
527 (reg_changes_size): New variable.
528 (init_reg_sets_1): Initialise class_can_change_size.
529 (record_operand_costs): Remove subreg_changes_size.
530 Don't pass it around. Instead update reg_changes_size.
531 (regclass): Initialise and free reg_changes_size. If a register
532 changes size, don't preference it to a class that contains
533 registers that can't change size.
534 (record_reg_classes): Don't look at subreg_changes_size.
536 2000-05-27 Richard Henderson <rth@cygnus.com>
538 * print-rtl.c (reg_names): Remove const.
539 * regclass.c (reg_names): Likewise.
540 * regs.h (reg_names): Likewise.
541 * hard-reg-set.h (reg_names): Likewise.
543 2000-05-27 Richard Henderson <rth@cygnus.com>
545 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
547 2000-05-27 Richard Henderson <rth@cygnus.com>
549 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
550 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
551 (alpha_expand_prologue): Emit prologue_mcount if needed.
552 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
553 * config/alpha/alpha.md (prologue_mcount): New.
554 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
555 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
556 * config/alpha/netbsd.h: Likewise.
558 2000-05-27 Richard Henderson <rth@cygnus.com>
560 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
561 change to config/elfos.h.
563 2000-05-27 Richard Henderson <rth@cygnus.com>
565 * Makefile.in (resource.o): Depend on except.h.
566 * except.h (output_exception_table_data): Prototype.
567 * genconfig.c (gen_peephole2): Prototype.
568 * genemit.c (main): Include ggc.h.
569 * genoutput.c: Revert parts of last change: include errors.h
570 (main): Set progname.
571 * recog.c: Include hard-reg-set.h before recog.h.
572 * resource.c: Include except.h.
574 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
576 (alpha_write_linkage): Protect with BUFSIZ.
577 (alpha_need_linkage): Update prototype.
578 * config/alpha/alpha.c (function_arg): Move VMS code here.
579 (alpha_links_base): Remove.
581 (mark_alpha_links_node, mark_alpha_links): New.
582 (alpha_write_one_linkage): New.
583 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
584 (alpha_write_linkage): Use splay_tree_foreach.
585 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
586 to get the linkage symbol.
587 (call_value_vms): Likewise.
588 * config/alpha/elf.h (output_file_directive): Remove decl.
589 (ctors_section, dtors_section): Prototype.
590 (sbss_section, sdata_section): Prototype.
591 * config/alpha/vms.h (FUNCTION_ARG): Remove.
592 (readonly_section, link_section, literals_section): Prototype.
593 (ctors_section, dtors_section): Prototype.
594 (vms_valid_decl_attribute_p): Remove decl.
595 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
597 2000-05-27 Geoff Keating <geoffk@cygnus.com>
599 * reload.c (get_secondary_mem): Don't widen floating-point modes.
601 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
602 substituting the REG in a (subreg:X (reg:Y ...)).
604 2000-05-28 Neil Booth <NeilB@earthling.net>
606 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
607 first token of a line BOL. Update EOF code for this.
608 Remove illegal directive check - it appears in the (not
609 yet committed) caller.
610 * cpplib.h (BOL): New flag.
612 2000-05-28 Neil Booth <NeilB@earthling.net>
614 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
615 (_cpp_free_toklist): No comment space to free.
616 (expand_comment_space): Remove.
617 (save_comment_space): Place the comment in the current token and
618 not in a separate comment space.
619 (_cpp_lex_line): Save comments during plain code and #define
621 * cpplib.h (struct _cpp_toklist): Remove comment space.
623 2000-05-28 Neil Booth <NeilB@earthling.net>
625 * cppexp.c (parse_assertion): Supply extra argument to
627 * cpplib.c (do_assert, do_unassert): Similarly.
628 * cpphash.h (_cpp_init_toklist) Update.
629 (_cpp_expand_token_space): New.
630 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
631 * cpplex.c (_cpp_init_toklist): New argument.
632 (parse_string2): New argument multiline_ok.
633 (spell_token): Take a const cpp_token *.
634 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
635 (SPELL_ macros): Replace with enum.
636 (expand_token_space): Replace with _cpp_expand_token_space.
638 (IS_DIRECTIVE): Update.
639 (_cpp_lex_line): Update token structure before parsing number.
640 Don't assume start at beginning of token list.
641 (save_comment): Use INIT_TOKEN_NAME.
643 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
645 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
646 -Wmissing-prototypes.
647 * configure: Regenerate.
648 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
650 * builtins.c, calls.c: Change all instances of gen_call_* or
651 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
652 * calls.c (struct_value_size_rtx): Separate definition from
653 initialization to avoid unused variable warning.
655 * genflags.c (gen_macro): New function.
656 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
657 (gen_nonproto): Delete.
658 (gen_insn): Put all insns on the same obstack.
659 (main): Generate prototypes for everything unconditionally.
661 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
662 out check for wchar_t.
663 * acconfig.h: Add template for ssize_t. Remove @TOP@.
664 * system.h: Add infrastructure for defining missing
665 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
666 definitions of UCHAR_MAX and SSIZE_MAX.
667 * configure: Regenerate.
668 * config.in: Regenerate.
670 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
671 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
673 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
674 libgcc2.a, or libgcc1.null.
676 2000-05-27 Richard Henderson <rth@cygnus.com>
678 * Makefile.in (recog.o): Don't depend on resource.h.
679 * recog.c: Don't include resource.h.
680 (recog_last_allowed_insn): Remove.
681 (recog_next_insn): Remove.
682 (struct peep2_insn_data): New.
683 (peep2_insn_data, peep2_current): New.
684 (peep2_next_insn): New.
685 (peep2_regno_dead_p, peep2_reg_dead_p): New.
686 (peep2_find_free_register): New.
687 (peephole2_optimize): Track life information by insn as we go.
688 * recog.h: Update declarations.
689 * resource.c (find_free_register, reg_dead_p): Remove.
690 * resource.h: Remove their declarations.
691 * toplev.c: Include hard-reg-set.h before recog.h.
693 * genconfig.c (max_insns_per_peep2): New.
694 (gen_peephole2): New.
696 * genemit.c (output_peephole2_scratches): Generate calls to
697 peep2_find_free_register; adjust surrounding code.
698 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
699 * genrecog.c (change_state): Don't track last_insn.
700 (write_action): Write into *_pmatch_len before accepting.
701 (write_tree): Adjust peephole2_insns and subroutines to match.
703 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
705 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
706 (hard_int_register_operand): New.
707 * config/alpha/alpha-protos.h: Declare it.
708 * config/alpha/alpha.h (PREDICATE_CODES): Update.
709 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
710 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
712 2000-05-27 Richard Henderson <rth@cygnus.com>
714 * function.c (thread_prologue_epilogue_insns): Don't move the
715 line note at the head of the chain. Only force a lineno note
716 before the end of block 0.
718 2000-05-27 Richard Henderson <rth@cygnus.com>
720 * gensupport.c (collect_insn_data): Record the maximum number
721 of alternatives, not the last seen.
723 * genoutput.c: Don't include errors.h.
724 (struct data): Add lineno member.
726 (scan_operands): Use message_with_line instead of error.
727 (validate_insn_alternatives): Likewise.
728 (gen_insn): Accept and store the pattern's line number.
729 (gen_peephole, gen_expand, gen_split): Likewise.
730 (main): Don't set progname. Pass line_no to gen_foo.
732 2000-05-27 Richard Henderson <rth@cygnus.com>
734 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
735 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
736 * config/d30v/d30v.md (attr predicable): New.
737 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
738 (andsi3*): Unify into one pattern.
739 (iorsi3*, xorsi3*): Likewise.
740 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
742 (old cond_exec patterns): Remove.
743 (define_cond_exec): New.
745 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
747 * tree.h (TREE_CODE_LENGTH): New macro.
748 * c-common.c (c_find_base_decl): Use it.
749 * expr.c (safe_from_p): Likewise.
750 * print-tree.c (print_node): Likewise.
751 * tree.c (make_node, copy_node, get_identifier): Likewie.
752 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
753 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
754 * fold-const.c (make_range): Likewise.
755 (fold): Likewise; also use first_rtl_op.
756 * c-iterate.c (collect_iterators): Use first_rtl_op.
757 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
758 Use IS_EXPR_CODE_CLASS.
759 (preexpand_calls): Likewise.
760 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
761 and TREE_CODE_LENGTH.
762 * stmt.c (warn_if_unused_value): If no operands, no unused value.
764 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
766 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
768 (movdi_internal64): Likewise.
770 * config/rs6000/rs6000.md: Correct order of operands for DImode
773 * config/rs6000/rs6000.c (boolean_or_operator): New function.
774 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
775 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
776 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
777 boolean_operator for the boolean patterns without NOTs.
779 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
780 from reg_or_u_cint_operand. Change comment and behaviour.
781 (logical_operand): Clean up, add assertion.
782 (non_logical_cint_operand): Also check for
783 reg_or_logical_cint_operand.
784 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
785 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
791 2000-05-26 Mark Mitchell <mark@codesourcery.com>
793 * tree.h (struct record_layout_info): Rename to (struct
794 record_layout_info_s).
795 * stor-layout.c (start_record_layout): Replace
796 `record_layout_info' with `record_layout_info_s'.
798 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
800 * flow.c (find_label_refs): New function.
801 (find_basic_blocks_1): Call it for each alternative of a call
804 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
806 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
809 2000-05-25 Richard Henderson <rth@cygnus.com>
811 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
812 so strict about DImode.
813 (alpha_swapped_comparison_operator): Likewise.
814 * config/alpha/alpha.md (*setne_internal): Name it. Allow
815 any integer output mode.
816 (*setcc_internal): Likewise.
817 (*setcc_swapped_internal): Likewise.
818 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
819 (*mov[qhs]icc_internal): New.
820 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
822 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
824 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
826 2000-05-25 Richard Henderson <rth@cygnus.com>
828 * bb-reorder.c (reorder_block_def): Reorder elements for size.
829 Remove add_jump; add next; replace flags with visited.
831 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
832 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
833 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
834 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
836 (reorder_index, reorder_last_visited): Remove.
837 (skip_insns_after_block): Rewrite to use a switch.
838 (get_common_dest): Remove.
839 (chain_reorder_blocks): Remove.
840 (record_effective_endpoints): Split out from reorder_basic_blocks.
841 (make_reorder_chain): Likewise. Loop until all blocks are placed.
842 (make_reorder_chain_1): Renamed from old make_reorder_chain.
843 Only construct the reorder chain, do not move insns. Try harder
845 (label_for_bb, emit_jump_to_block_after): New.
846 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
847 and adjust the jump insns appropriately. Fixup basic_block_info.
848 (verify_insn_chain): Always define.
849 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
851 (make_new_scope): Don't write zeros to calloc'd space.
852 (build_scope_forest): Rely on xrealloc to DTRT.
853 (reorder_basic_blocks): Don't build loop nest. Don't fail if
854 profile_arc_flag. Streamline EH test.
856 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
857 * basic-block.h: Declare them.
859 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
861 * emit-rtl.c (reset_used_decls): New function.
862 (unshare_all_rtl_again): Call it.
864 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
866 * cpplex.c (maybe_macroexpand): Warn about function-like
867 macros used in non-function context, if -Wtraditional.
869 2000-05-25 Mark Mitchell <mark@codesourcery.com>
871 * recog.c (peephole2_optimize): Use INSN_P.
873 2000-05-25 Richard Henderson <rth@cygnus.com>
875 * ifcvt.c (seq_contains_jump): New.
876 (noce_try_store_flag_constants): Use it to fail conversion.
877 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
879 2000-05-25 Mark Mitchell <mark@codesourcery.com>
881 * except.h (can_throw): Declare it.
882 * except.c (can_throw): Give it external linkage.
883 * resource.c (find_dead_or_set_registers): Use can_throw.
885 2000-05-25 Richard Henderson <rth@cygnus.com>
887 * flow.c (mark_set_1): Don't record conditionally dead memory.
889 2000-05-25 Jan Hubicka <jh@suse.cz>
891 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
892 and pc_set at the place of simplejump_p and condjump_p.
893 * cse.c (record_jump_equiv): Likewise.
894 * emit-rtl.c (emit): Likewise.
895 * explow.c (find_next_ref): Likewise.
896 * flow.c (tidy_fallthru_edge): Likewise.
897 (init_propagate_block_info): Likewise.
898 * gcse.c (delete_null_pointer_checks): Likewise.
899 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
900 dead_or_predicable): Likewise.
901 * integrate.c (copy_insn_list): Likewise.
902 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
903 for_each_insn_in_loop, check_dbra_loop, get_condition,
904 insert_bct, load_mems): Likewise.
905 * resource.c (find_dead_or_set_registers): Likewise.
906 * sibcalls.c (simplejump_p): Likewise.
907 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
909 2000-05-25 David Edelsohn <edelsohn@gnu.org>
911 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
912 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
914 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
915 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
916 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
917 * rs6000.md: Name various internal patterns.
919 2000-05-25 Jan Hubicka <jh@suse.cz>
921 * jump.c (invert_exp_1): Remove first argument, use pc_set
922 to get the expression.
923 (redirect_exp): Make static; redirect only the pc_set expression,
924 remove first argument.
925 (invert_exp): Remove first argument, make static.
926 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
927 any_onlyjump at most places where we originaly did condjump_p
929 (jump_back_p, follow_jumps, thread_jumps): Likewise.
930 (delete_barrier_succesors): Use pc_set.
931 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
932 calls of invert_exp and redirect_exp.
933 * rtl.h (redirect_exp, invert_exp): Remove.
934 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
936 2000-05-25 Richard Henderson <rth@cygnus.com>
938 * stmt.c (expand_end_bindings): Fix thinko last change.
940 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
941 Andrew Haley <aph@cygnus.com>
943 * except.c (func_eh_entry): Add emitted field.
944 (new_eh_region_entry): Set emitted field to 0;
945 (output_exception_table_entry): Only emit previously un-emitted data,
946 and send it to the eh_data section.
947 (output_exception_table): Break out common parts. Output
948 exception table for entire compilation unit to eh_data section.
949 (output_exception_table_data): Common parts of output_exception_table.
950 Send output to eh_data section.
951 (output_function_exception_table): Output exception table data for
952 a single function to eh_data section.
953 (free_exception_table): New external to free the table.
954 * except.h (free_exception_table): Add prototype.
955 (output_function_exception_table): Add prototype.
956 * final.c (final_end_function): Output function exception table
957 for IA64_UNWIND_INFO.
958 (final_scan_insn): Emit any unwind directives for an insn.
960 * frame-dwarf2.c: New file containing all DWARF 2 specific code
962 * frame.c: Remove all DWARF 2 specific code.
963 * config/ia64/frame-ia64.c: New file.
964 (gthread_stuff): Make all gthread available with
966 (dwarf_fde): Define an IA64 struct for dwarf_fde.
967 (__register_frame_info, __register_frame): Move to common area of file.
968 (__register_frame_info_table, __register_frame_table): Move to common i
970 (__deregister_frame_info, __deregister_frame): Move to common area.
971 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
972 (read_uleb128): New version for ia64.
973 (get_unwind_record): Read the next IA-64 unwind record.
974 (read_R_record): Read a region header record.
975 (process_a_b_reg_code): X record helper.
976 (read_X_record): Read an X format record.
977 (read_B_record): Read a B format record.
978 (P3_record_types): List of record types matching the P3 format.
979 (P7_record_types): List of record types matching the P7 format.
980 (P8_record_types): List of record types matching the P8 format.
981 (read_P_record): Read a P format record.
982 (init_ia64_reg_loc): Set default fields for a register.
983 (init_ia64_unwind_frame): Set defaults for all register records.
984 (execute_one_ia64_descriptor): Execute one descriptor record.
985 (rse_address_add): Calculate the position of a local reg in memory.
986 (normalize_reg_loc): Turn a location descriptor into a memory address.
987 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
988 within a specified PC offset range.
989 (get_real_reg_value): Given a register location, retrieve its value.
990 (set_real_reg_value): Change the value of a register location.
991 (copy_reg_value): Copy reg values, if needed.
992 (copy_saved_reg_state): Copy all registers that need to be copied.
993 (process_state_between): Normalize all frame register records that
994 fall within the specified PC range.
995 (frame_translate): Take a processed frame description, and turn
996 everything into addresses.
997 (build_ia64_frame_state ): Find and create frame state record for a PC.
998 (get_personality): Get the personality routine for a given frame.
999 (get_except_table): Get the exception table for a given frame.
1000 (record_name): Unwind record names for debugging.
1001 (print_record): Print and unwind record.
1002 (print_all_records): Print an entire unwind image.
1003 (__ia64_backtrace): Print a backtrace.
1004 (ia64_backtrace_helper): New function.
1005 (__register_frame_info_aux): New function.
1006 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
1008 * frame.h (enum unw_record_type): New unwind record types.
1009 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
1010 (struct unw_r_record, unwind_record): New unwind record structs.
1011 (struct unwind_info_ptr): Unwind information layout.
1012 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
1014 (struct ia64_reg_loc): Register location description.
1015 (struct ia64_frame_state): Location of all registers in a frame.
1016 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
1017 * libgcc2.c (__ia64_personality_v1): Personality routine.
1018 (__calc_caller_bsp): Calculate the bsp register for the caller's
1020 (ia64_throw_helper): Figure out who to return to and set up the
1022 (__throw): Throw routine.
1024 * output.h (assemble_eh_align, assemble_eh_label): New functions
1025 to generate EH info where we want it.
1026 (assemble_eh_integer): New function.
1027 * toplev.c (compile_file): Output module level exception table for
1029 (main): Set exceptions_via_longjump and flag_new_exceptions based
1030 on IA64_UNWIND_INFO too.
1032 * varasm.c (assemble_eh_label): Generate a label via
1033 ASM_OUTPUT_EH_LABEL if it has been specified.
1034 (assemble_eh_align): Generate an alignment directive via
1035 ASM_OUTPUT_EH_ALIGN if it has been specified.
1036 (assemble_eh_label): Generate an integer value via
1037 ASM_OUTPUT_EH_type if they have been specified.
1038 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
1039 (ia64_init_builtins): Add __builtin_ia64_bsp
1040 and __builtin_ia64_flushrs.
1041 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
1042 IA64_BUILTIN_FLUSHRS.
1043 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
1044 IA64_BUILTIN_FLUSHRS.
1046 * config/ia64/ia64.md (flushrs): New insn to flush the register
1047 stack. Add to unspec list.
1049 * config/ia64/crtbegin.asm (frame_object): Change size.
1050 (__do_frame_setup_aux): New function.
1051 * config/ia64/crtend.asm: call __do_frame_setup_aux.
1052 * config/ia64/t-ia64 (LIB2ADDEH): Add.
1053 * Makefile.in (LIB2ADDEH): Add.
1054 (LIB2ADD): Use LIB2ADDEH.
1056 2000-05-24 Richard Henderson <rth@cygnus.com>
1058 * recog.c (offsettable_address_p): If mode size is zero, assume
1061 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
1063 * configure.in: Check for -Wno-long-long option support and improve
1064 handling of warning CFLAGS for stages 1 and 2.
1065 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
1066 * configure: Regenerate.
1068 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
1070 * gcc.texi: Remove contributor list. Instead include contrib.texi.
1071 * contrib.texi: New file.
1073 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1075 * loop.c (basic_induction_var): Avoid double recording of an increment.
1077 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1079 * Back out this patch:
1080 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
1081 * loop.h (struct induction): Add multi_insn_incr.
1082 * loop.c (basic_induction_var): New multi_insn_incr argument.
1083 Set it if we search back through previous insns for the biv.
1084 (record_biv): New multi_insn_incr argument; fill in struct induction.
1085 (strength_reduce): Discard an iv with multiple bivs, any of
1086 which require multiple insns to increment.
1088 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
1090 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1092 * rtl.h (loc_mentioned_in_p): Declare.
1093 * reload.c (loc_mentioned_in_p): Moved from here...
1094 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
1095 Fix loop increment for 'E' handling.
1096 * loop.c (strength_reduce): When doing biv->giv conversion,
1097 take multi-insn biv increments into account.
1099 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
1101 * stmt.c (expand_end_bindings): Look through NOTEs to find a
1104 2000-05-24 Mark Mitchell <mark@codesourcery.com>
1106 * calls.c (expand_call): Handle cleanups in tail-recursion
1107 arguments analagously to cleanups in sibling calls.
1109 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1111 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
1112 All callers changed.
1114 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1116 * expr.c (expand_assignment, store_expr, expand_expr,
1117 expand_expr_unaligned): Set in_check_memory_usage while emitting
1118 chkr_check_addr libcall.
1120 2000-05-24 Nick Clifton <nickc@cygnus.com>
1122 * fold-const.c (extract_muldiv): When constructing a
1123 multiplier/divisor, do not expect const_binop to correctly
1124 determine if overflow has occured, so check explicitly.
1126 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1128 * c-decl.c (build_enumerator): Don't modify the value's type,
1131 2000-05-24 Andreas Jaeger <aj@suse.de>
1133 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
1135 2000-05-24 Eric Christopher <echristo@cygnus.com>
1137 * configure.in: Redefine inhibit_libc conditions.
1138 * libgcc2.c: Remove inhibit_libc conditional define.
1139 * configure: Regenerate.
1141 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
1143 * configure.in: For --enable-languages=LIST, check for empty LIST.
1144 * configure: Regenerate.
1146 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
1148 * pdp11.h (STACK_BOUNDARY): Define.
1150 2000-05-24 Jakub Jelinek <jakub@redhat.com>
1152 * ifcvt.c (if_convert): Update life info globally.
1154 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1156 * emit-rtl.c (unshare_all_decls): New function.
1157 (unshare_all_rtl): Call it.
1159 2000-05-23 Nick Clifton <nickc@cygnus.com>
1161 * configure.in: Treat 'strongarm' as if it were 'arm' when
1162 determining cpu type.
1164 * configure: Regenerate.
1166 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
1167 where constant strings are involved.
1169 * config/arm/arm.h (arm_condition_codes): Change type to 'const
1172 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
1173 cases where constant strings are involved.
1175 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
1177 * config/sh/sh.c (gen_far_branch, split_branches): Update
1178 to reflect new prototypes for redirect_jump and invert_jump.
1179 (sh_insn_length_adjustment): Get rid of const warnings.
1181 2000-05-23 Kazu Hirata <kazu@hxi.com>
1183 * invoke.texi (Options for Debugging Your Program or GCC): Update
1184 the names of dump files.
1186 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
1188 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
1189 * configure: Regenerated.
1191 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1193 * simplify-rtx.c (SIGN_EXTEND): New macro.
1194 (simplify_unary_operation, simplify_binary_operation,
1195 simplify_relational_operation): Use SIGN_EXTEND. Make low
1196 halves of (low, high) pairs unsigned if they weren't already.
1197 (simplify_ternary_operation): Cast INTVAL to unsigned before
1198 comparing to a MODE_BITSIZE.
1200 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1202 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
1203 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
1205 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
1206 gcc_AC_NEED_DECLARATIONS.
1208 * dwarfout.c: Don't prototype time().
1210 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
1212 * system.h: Likewise.
1214 * toplev.c: Likewise.
1216 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1218 * c-decl.c (pushdecl): Invert sense of test for non-global types.
1220 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1222 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
1224 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
1226 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
1228 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1230 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
1231 (alpha_start_function): Never write ..ng label if VMS or NT.
1232 (alpha_align_insns): Remove GP_IN_USE arg.
1233 Alignment now unsigned.
1234 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
1235 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
1236 and two define_insn's.
1238 2000-05-22 Richard Henderson <rth@cygnus.com>
1240 * combine.c (simplify_comparison): Use trunc_int_for_mode.
1242 2000-05-22 Richard Henderson <rth@cygnus.com>
1244 * stor-layout.c (place_field): Change rli->size to rli->offset.
1246 2000-05-22 Richard Henderson <rth@cygnus.com>
1248 * function.c (thread_prologue_and_epilogue_insns): Make sure
1249 existing line number notes appear after the prologue.
1251 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1253 * config/alpha/alpha.c (alpha_fnname): New static variable.
1254 (print_operand, case '~'): New case.
1255 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
1256 (alpha_start_function): Set alpha_fnname.
1257 Write "ng" label if no ldgp; don't write ldgp insn.
1258 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
1259 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
1261 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
1263 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
1266 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
1268 * varasm.c (eh_frame_section): Revert change to argument list.
1270 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1272 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
1273 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
1275 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
1276 dangling "else" that causes "break" to be conditional.
1277 Also remove unneeded code at start.
1279 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
1281 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
1282 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
1283 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
1285 2000-05-22 Jakub Jelinek <jakub@redhat.com>
1287 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
1290 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1292 * alias.c (record_component_aliases): New function.
1293 * tree.h: Clean up some declarations and comments.
1294 (record_component_aliases): New declaration.
1295 * tree.c (get_alias_set): If type and has alias set, use it.
1297 2000-05-22 Richard Henderson <rth@cygnus.com>
1299 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
1300 IF_THEN_ELSE to a setcc form.
1301 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
1303 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1305 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
1306 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1308 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1310 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1313 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1315 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1316 * config/mn10300/mn10300.c (print_operand): Likewise.
1318 * final.c (split_double): Right shift of negative values is not
1321 * ifcvt.c (if_convert): Scan and kill dead code.
1323 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1325 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1327 * diagnostic.c: Eliminate implicit int.
1328 * except.c, gcc.c: Add static prototypes.
1329 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1330 * gensupport.c (process_rtx): Use XVEC to initialize vector
1333 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1334 debug_reg_names instead of static reg_names. If not, define
1336 * regclass.c: Don't define global reg_names unless
1337 DEBUG_REGISTER_NAMES is defined.
1339 * reload1.c (order_regs_for_reload): Remove unused variable.
1340 * varasm.c: Include output.h after defaults.h. Define
1341 eh_frame_section as function of no args, not of unspecified args.
1343 * gcc.c: Constify argbuf; arguments to store_arg,
1344 process_command, main; elements of struct command and struct
1345 switchstr; local variables in execute, process_command, main.
1347 2000-05-20 Bruce Korb <bkorb@gnu.org>
1349 * fixinc/inclhack.def: many applications of c_fix=format + tests
1350 * fixinc/check.diff: regenerated
1351 * fixinc/fixincl.x: regenerated
1353 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1355 * alias.c: Clarify some comments.
1356 (record_base_value): REGNO is unsigned.
1357 * rtl.h (record_base_value): Likewise.
1359 * alias.c (aliases_everything_p): Don't special-case QImode here.
1360 * c-common.c (c_get_alias_set): Do it here.
1361 Handle BIT_FIELD_REF by getting alias info for arg.
1364 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1366 * mklibgcc.in: Restore rule to create ${dir}.
1368 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1370 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1371 GCC_FOR_TARGET used by MULTILIBS.
1372 * mklibgcc.in: Make sure each .o file depends on the
1373 directory it will be in.
1374 Make the multilib directory depends libgcc.
1376 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1378 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1380 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1382 * fold-const.c (make_range): Handle degenerated intervals.
1383 Fixes c-torture/execute/991221-1.c
1385 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1387 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1388 * reload.c (find_equiv_reg): Likewise.
1389 * alias.c (init_alias_analysis): Likewise.
1390 Only call prologue_epilogue_contains on insns.
1391 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1392 * bb-reorder.c (hard-reg-set.h): Include earlier.
1393 * haifa-sched.c (hard-reg-set.h): Likewise.
1394 * ifcvt.c (hard-reg-set.h): Likewise.
1395 * local-alloc.c (hard-reg-set.h): Likewise.
1396 * loop.c (hard-reg-set.h): Likewise.
1397 * predict.c (hard-reg-set.h): Likewise.
1398 * regrename.c (hard-reg-set.h): Likewise.
1399 * flow.c (hard-reg-set.h): Likewise.
1400 (reg_set_to_hard_reg_set): New function.
1401 * bitmap.c (regs.h, basic-block.h): No longer include.
1402 (bitmap.h): Now include.
1403 * conflict.c (hard-reg-set.h): Include.
1404 * profile.c (hard-reg-set.h): Likewise.
1405 * print-rtl.c (hard-reg-set.h): Likewise.
1406 * sbitmap.c (hard-reg-set.h): Likewise.
1407 * toplev.c (hard-reg-set.h): Likewise.
1408 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1409 * hard-reg-set.h (reg_names): Now constant.
1410 * regs.h (reg_names): Likewise.
1411 * regclass.c (reg_names): Likewise.
1412 * loop.h (basic-block.h): No longer include.
1413 (bitmap.h): Now include.
1414 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1415 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1416 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1418 2000-05-19 Jan Hubicka <jh@suse.cz>
1419 Richard Henderson <rth@cygnus.com>
1421 * basic-block.h (struct edge_def): New field "count".
1422 (struct basic_block_def): Likewise.
1423 * flow.c (entry_exit_blocks): Add count fileds.
1424 (split_edge): Keep count information up-to-date.
1425 (dump_edge_info, dump_flow_info): Dump count fields.
1427 * final.c (count_instrumented_edges): Rename to edge from arc.
1428 (end_final): Update users.
1429 * profile.c: Include expr.h, basic-block.h.
1430 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1431 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1432 (ignore_next_note, return_label_execution_count): Kill.
1433 (bbg_file_name, da_file_name): Kill.
1434 (edge_info, bb_info): New structures.
1435 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1436 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1437 (total_num_edges_instrumented): Likewise.
1438 (init_arc, expand_spanning_tree): Kill.
1439 (fill_spanning_tree, tablejump_entry_p): Kill.
1440 (instrument_edges): Rewrite from instrument_arcs to use
1441 commit_edge_insertions infrastructure.
1442 (compute_branch_probabilities): Remove arguments; rewrite for
1443 CFG infrastructure; use rtl_dump_file directly.
1444 (branch_prob, find_spanning_tree): Likewise.
1445 (union_groups, find_group): New.
1446 (init_branch_prob): Make bbg_file_name and da_file_name local.
1447 (end_branch_prob): Use rtl_dump_file directly.
1448 (init_edge_profiler): Rename to edge from arc.
1449 (output_arc_profiler): Kill.
1450 (gen_edge_profiler): New.
1451 (output_func_start_profiler): Turn off profiling. Make the
1452 constructor static when we can.
1453 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1455 * toplev.c (DFI_flow): Remove.
1456 (DFI_cfg, DFI_life): New.
1457 (dump_file): Update accordingly.
1458 (compile_file): Call end_branch_prob if profile_arc_flag too.
1459 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1460 profiling after the CFG is built. Move flow1 life analysis to
1461 DFI_life. Always estimate remaining probabilities.
1463 2000-05-19 Richard Henderson <rth@cygnus.com>
1465 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1467 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1469 2000-05-19 Richard Henderson <rth@cygnus.com>
1471 * jump.c (redirect_jump): Add delete_unused argument. Don't
1472 remove labels and code following when LABEL_NUSES goes to zero.
1473 (invert_jump): Likewise.
1474 (jump_optimize_1): Fix redirect/invert arguments.
1475 (do_cross_jump, thread_jumps): Likewise.
1476 * flow.c (split_edge): Likewise.
1477 * reorg.c (optimize_skip): Likewise.
1478 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1479 * profile.c (instrument_arcs): Likewise.
1480 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1481 * rtl.h: Update prototypes.
1483 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1485 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1487 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1490 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1492 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1493 past l1 when deleting whitespace and markers.
1495 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1496 * cpplib.c (do_unassert): Put the list to compare against on
1499 2000-05-19 Bruce Korb <bkorb@gnu.org>
1501 * fixinc/README: cleaned up old documentation
1502 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1503 * fixinc/check.tpl: compute the list of needed directories
1504 emit "#if defined(name)" because of conflict
1505 omit machine name differences from output differences
1506 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1507 (machine_name): change test text to use `sed' markers
1508 * fixinc/fixincl.x: regen
1510 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1512 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1515 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1517 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1518 it to match the current practice.
1520 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1522 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1524 2000-05-18 Richard Henderson <rth@cygnus.com>
1526 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1527 * rtl.h (insn_dependant_p): Declare it.
1528 * loop.c (strength_reduce): Use it.
1530 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1532 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1533 16-bit and 64-bit clean-up.
1535 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1537 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1538 * configure: Rebuilt.
1540 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1542 * genopinit.c: Use $ for escape sequences in optab patterns.
1543 Remove backslashes from optab patterns. Change $A, $B, $C to
1544 expand to (int) whatever instead of just whatever; remove
1545 explicit (int) from all optab patterns.
1547 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1548 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1549 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1550 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1553 2000-05-18 Richard Henderson <rth@cygnus.com>
1555 * jump.c (jump_optimize_1): Base minimum insn count during
1556 find_cross_jump on BRANCH_COST.
1558 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1560 * print-rtl.c (print_rtx): Only print note line number as string
1561 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1562 * final.c (final_scan_insn): Do nothing for note line number 0.
1564 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1566 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1567 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1568 NOTE_INSN_DELETED_LABEL.
1570 2000-05-18 Nick Clifton <nickc@cygnus.com>
1572 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1573 uninitialised data in .rodata not .bss, and do not interpret an
1574 error in the initialisation value as meaning that the variable
1575 should be placed in the .bss section.
1577 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1579 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1580 not `$ac_cv_prog_cc_cc_c_o'.
1581 * configure: Regenerated.
1583 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1584 Richard Henderson <rth@cygnus.com>
1586 * c-common.h (enum c_tree_index): Add g77 type entries.
1587 (g77_integer_type_node, g77_uinteger_type_node): New.
1588 (g77_longint_type_node, g77_ulongint_type_node): New.
1589 * c-decl.c (init_decl_processing): Initialize them.
1591 2000-05-18 Richard Henderson <rth@cygnus.com>
1593 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1595 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1596 (small_power_of_two): Likewise; use exact_log2.
1597 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1598 (output_adds_subs): Remove.
1599 (two_insn_adds_subs_operand): New.
1600 (split_adds_subs): New.
1601 * config/h8300/h8300-protos.h: Update.
1602 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1603 (CONST_OK_FOR_L): Match strict adds operands.
1604 (CONST_OK_FOR_N): Match struct subs operands.
1605 * config/h8300/h8300.md (adds_subs insns): Remove.
1606 (addhi patterns): Output adds/subs directly.
1607 (addsi_h8300h): Likewise.
1608 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1610 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1612 * cppexp.c (parse_assertion): New.
1613 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1614 (_cpp_parse_expr): Remove case '#'. Don't set
1615 parsing_if_directive.
1616 * cpphash.c (collect_objlike_expansion,
1617 collect_funlike_expansion, collect_params,
1618 _cpp_create_definition): The list no longer has a trailing
1620 * cpphash.h (enum node_type): Add T_ASSERTION.
1621 (struct hashnode): Remove aschain, add pred.
1622 (struct predicate): New.
1625 * cpplex.c (expand_token_space): Handle both offset and
1627 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1628 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1629 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1630 _cpp_equiv_toklists): New.
1631 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1632 stop at any single-character token, not just newline.
1633 (_cpp_lex_token): Remove special cases for #define and #if.
1634 (cpp_get_token): Expect # as a separate token type. Remove
1636 (_cpp_get_directive_token): Remove DIRECTIVE case.
1637 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1639 * cpplib.c (_cpp_check_directive): Set dirno and
1640 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1641 (_cpp_handle_directive): Run # <number> through the same logic
1642 as normal directives.
1643 (do_define): Don't set parsing_define_directive. Use
1644 _cpp_scan_until. The list does not have a VSPACE at the end.
1645 (do_if): Save, clear, and restore only_seen_white around
1647 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1648 (do_assert, do_unassert): Rewrite.
1650 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1651 (LIST_OFFSET): New flag.
1652 (struct cpp_toklist): Replace dir_handler and dir_flags with
1654 (struct cpp_reader): Remove parsing_if_directive and
1655 parsing_define_directive.
1657 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1659 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1660 following the cabs decl which terminate on the following line.
1661 Add the corresponding test_text case.
1663 2000-05-18 Neil Booth <NeilB@earthling.net>
1665 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1666 default tab stop size.
1667 (no_num, OPT_ftabstop): New.
1668 (handle_option): Handle "ftabstop=" command-line option.
1669 (print_help): Document it.
1670 * cpplex.c (COLUMN): Remove.
1671 (handle_newline): Reset col_adjust.
1672 (skip_whitespace): Update col_adjust as tabs encountered.
1673 (_cpp_lex_line): Update to use col_adjust. Call
1674 skip_whitespace for all whitespace.
1675 * cpplib.h (struct cpp_options): New member tabstop.
1676 (struct cpp_reader): New member col_adjust.
1677 (CPP_BUF_COL): Update.
1678 (CPP_BUF_COLUMN): New.
1679 * cpp.texi: Document "-ftabstop=" command line option.
1681 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1683 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1685 * configure: Rebuilt.
1687 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1689 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1691 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1692 HOST_BITS_PER_WIDE_INT is >= 64.
1694 2000-05-17 Richard Henderson <rth@cygnus.com>
1696 * jump.c (jump_optimize_1): Remove inactive but real insns
1697 in jump-to-next-insn optimization.
1699 2000-05-17 Richard Henderson <rth@cygnus.com>
1701 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1702 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1703 Don't call recompute_reg_usage if no_new_pseudos is true.
1704 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1705 Return true if we did work; update global life information.
1706 * basic-block.h (optimize_mode_switching): Update decl.
1708 2000-05-17 Neil Booth <neilb@earthling.net>
1710 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1712 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1714 * cpplib.c: New feature, #pragma system_header.
1715 * cpp.texi: Document special treatment of system headers, and
1716 the various mechanisms to get a header that special treatment.
1718 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1720 * system.h (offsetof): Define at the very end, to ensure we prefer
1721 the platform's definition if available.
1723 2000-05-16 Bruce Korb <bkorb@gnu.org>
1725 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1726 * fixinc/server.c: likewise
1727 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1728 + #ifdef debugging code + use #def constant for
1730 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1731 on C++ math namespace
1733 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1735 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1736 Don't check the return value of sprintf. Use asprintf to avoid
1739 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1741 * flags.h (warn_unused_function, warn_unused_label,
1742 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1743 Replace ``warn_unused''.
1744 (set_Wunused): Add declaration.
1745 * toplev.c (set_Wunused): New function.
1746 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1747 warn_unused_variable, warn_unused_value): New variables.
1748 (W_options): Add -Wunused-function, -Wunused-function,
1749 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1750 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1752 * toplev.c (decode_W_option): Update -Wunused flags by calling
1754 * c-decl.c (c_decode_option): Ditto for -Wall.
1756 * stmt.c (expand_expr_stmt, expand_expr_stmt,
1757 warn_about_unused_variables): Replace warn_unused with more
1758 explicit warn_unused_value et.al.
1759 * function.c (expand_function_end): Ditto.
1760 * c-typeck.c (internal_build_compound_expr,
1761 internal_build_compound_expr): Ditto.
1762 * c-decl.c (poplevel, pop_label_level): Ditto.
1763 * toplev.c (check_global_declarations): Replace warn_unused with
1764 check for either warn_unused_function or warn_unused_variable.
1766 * gcc.1, invoke.texi (Warning Options): Document
1767 -Wunused-function, -Wunused-function, -Wunused-label,
1768 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
1770 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
1772 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
1773 $(srcdir), not in the current directory.
1775 2000-05-16 Richard Henderson <rth@cygnus.com>
1777 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
1778 assembler supports it.
1779 (.fini, .init): Use a gp-relative indirect call.
1780 (__do_global_dtors_aux): Preserve the gp; rebundle.
1781 (__do_frame_setup): Likewise.
1782 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
1783 (.init): Use a gp-relative indirect call.
1784 (__do_global_ctors_aux): Preserve the gp.
1786 2000-05-16 Richard Henderson <rth@cygnus.com>
1788 * flow.c (commit_one_edge_insertion): Be prepared for a return
1789 insn to be inserted on the edge with a normal jump.
1790 * jump.c (jump_optimize_1): Don't look to create return isns.
1792 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
1793 * jump.c (jump_optimize_1): Likewise.
1794 (returnjump_p): Verify the argument is a JUMP_INSN.
1795 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
1797 2000-05-16 Nick Clifton <nickc@cygnus.com>
1799 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
1800 GET_RTX_CLASS (GET_CODE ()) == 'i'.
1801 (large_insn_p): Ditto.
1802 (m32r_is_insn): New function: Return true if the insn contains
1803 an executable instruction.
1804 (m32r_adjust_insn): Use m32r_is_insn.
1805 (m32r_sched_reorder): Use m32r_is_insn.
1806 (m32r_sched_variable_issue): Use m32r_is_insn.
1808 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1810 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
1813 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
1815 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
1816 according to given options.
1818 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
1820 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
1821 if X has VOIDmode either.
1822 (LIMIT_RELOAD_CLASS): Similarly.
1824 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
1825 not "general_operand" to match the processor's capabilities.
1827 2000-05-16 Bruce Korb <bkorb@gnu.org>
1829 * fixinc/README: corrected return address
1830 * fixinc/check.diff: regenerate, now that test works
1831 * fixinc/fixfixes.c(format_fix,format_write): reformatted
1832 (char_macro_def_fix,char_macro_use_fix): corrected and
1833 rewrote to use regex to parse the text
1834 * fixinc/inclhack.def: more testing
1835 * fixinc/fixincl.x: regenerated
1837 * fixinc/inclhack.def: added several "test_text" attributes
1838 changed several fixes to use `c_fix = format'
1839 re-alphabetized the fixes
1841 * fixinc/check.diff: regenerate
1842 * fixinc/fixincl.x: regenerate
1843 * fixinc/check.tpl: added `sparc' and `netinet' to the list
1847 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
1849 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
1851 2000-05-15 Richard Henderson <rth@cygnus.com>
1853 * toplev.c (rest_of_compilation): Run full jump pass before
1854 find_basic_blocks of flow2.
1856 2000-05-15 Richard Henderson <rth@cygnus.com>
1858 * jump.c: Fix typos and clarify commentary from last change.
1859 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
1860 (safe_to_remove_jump_p): Remove.
1861 (condjump_label): Use pc_set.
1863 2000-05-15 Richard Henderson <rth@cygnus.com>
1865 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
1866 that get in the way after reload.
1867 (cond_exec_process_if_block): Skip a label heading THEN block.
1869 2000-05-15 Richard Henderson <rth@cygnus.com>
1871 * varasm.c (output_constant_pool): Abort instead of converting
1872 (improperly) deleted labels to zero.
1874 2000-05-16 Neil Booth <NeilB@earthling.net>
1876 * cpplex.c (parse_string2): Update comment.
1877 (cpp_lex_line): No special assertion treatment for '('.
1878 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
1879 * cpplib.h (SYNTAX_ASSERT): Remove.
1881 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1883 * jump.c (condjump_p): Mark as depreached.
1884 (any_condump_p): New.
1885 (any_uncondump_p): New.
1887 (safe_to_remove_jump_p): New.
1888 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
1889 safe_to_remove_jump_p): Declare.
1891 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1893 * calls.c: Re-install both patches reverted by last patch.
1894 (struct arg_data): New field tail_call_reg.
1895 (initialize_argument_information): Initialize tail_call_reg
1896 (load_register_parameters): New argument flags, use
1897 tail_call_reg when emiting tail call sequence.
1898 (expand_call): Update call of load_register_parameters;
1899 copy unadjusted_args_size to adjusted_args_size.
1901 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
1903 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
1904 and bct_p parameters to flags.
1905 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
1906 * rtl.h (loop_optimize): Update prototype.
1907 * toplev.c (rest_of_compilation): Update call of loop_optimize.
1909 2000-05-15 Jakub Jelinek <jakub@redhat.com>
1911 * calls.c (expand_call): Move expand_start_target_temps call after
1914 2000-05-15 Neil Booth <NeilB@earthling.net>
1916 * cpphash.c (trad_stringify, warn_trad_stringify,
1917 collect_params): Make some pointers pointers to const.
1918 * cpplex.c (auto_expand_name_space) Guaranteed to always
1919 expand by at least one character.
1920 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
1921 (struct token_spelling): Use const U_CHAR * rather than PTR.
1922 (expand_name_space): Fix up token pointers if name space
1923 is moved when expanding.
1924 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
1925 parse_string2, save_comment, spell_token, cpp_output_list):
1926 Update so the routines handle tokens with a direct pointer to
1927 their text, rather than an offset into the token's list's namebuf.
1928 (_cpp_lex_line): Rearrange for clarity.
1930 * cpplib.c (_cpp_check_directive): Similarly.
1931 (do_define): Make SYM a pointer to const.
1932 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
1933 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
1934 (TOK_OFFSET): Delete.
1937 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
1939 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
1942 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
1944 (logical_u_operand): Delete.
1945 (non_logical_cint_operand): Rewrite to take MODE into account.
1946 (non_logical_u_cint_operand): Delete.
1947 (boolean_operator): New function.
1948 (print_operand): Add new %q operand.
1949 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
1950 remove logical_u_operand and non_logical_u_cint_operand,
1951 update logical_operand and non_logical_cint_operand.
1952 * config/rs6000/rs6000.md: Rewrite the patterns for performing
1953 logical operations to use %q.
1955 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
1956 (movdi): Make similar to movsi.
1957 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
1958 is no such thing as a DImode CONST_DOUBLE.
1959 * config/rs6000/rs6000.c (output_toc): Likewise.
1961 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
1962 codes when old mnemonics are in use. Print register names
1963 for cc registers when requested.
1965 * optabs.c (expand_float): Don't allow mode widening that causes
1968 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
1969 flags to their current names -maix64 and -maix32.
1971 2000-05-14 Bruce Korb <bkorb@gnu.org>
1973 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
1974 and/or after current text of file
1975 * fixinc/fixlib.c(must_malloc):
1976 * fixinc/fixlib.h(must_malloc): + reformatting
1977 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
1978 with usages of ``c_fix = wrap;''
1979 Add several tests and use the ``c_fix = format'' fixer more.
1980 * fixinc/fixincl.x: regen
1981 * fixinc/check.diff: regen
1982 * fixinc/check.tpl: emit the associated header with the missing
1985 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
1987 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
1988 variables $src and $dst.
1990 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
1992 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
1993 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
1994 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
1995 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
1997 (set_message_prefixing_rule): Declare.
1999 * diagnostic.c: (current_prefixing_rule): New variable.
2000 (set_message_prefixing_rule): Define.
2001 (output_set_prefix): Adjust buffer->emitted_prefix_p.
2002 (init_output_buffer): Adjust Initialization.
2003 (output_emit_prefix): Rewrite. Take prefixing rules into account.
2005 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
2007 * ifcvt.c (if_convert): Do not free NULL.
2009 2000-05-12 Nick Clifton <nickc@cygnus.com>
2011 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
2012 to move a double word value.
2013 (di_operand): New function: Return true if the operand is suitbale
2014 for a double word move operation.
2015 (nonimmediate_di_operand): New function: Return true if the
2016 operand is a DImode register or MEM.
2018 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
2019 nonimmediate_di_operand.
2021 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
2022 nonimmediate_di_operand.
2024 * config/fr30/fr30.md (movdi): New pattern. Required because
2025 other patterns generate DImode results.
2026 (movdi_insn): New pattern.
2028 2000-05-12 Richard Henderson <rth@cygnus.com>
2030 * config/alpha/alpha.c (struct shadow_summary): Define
2031 bitfields as type unsigned int.
2033 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
2035 * config/avr/t-avr: Added definition of FLOAT while generates
2038 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
2039 peepholes for tst+jump = sbrs/sbrc optimization.
2041 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
2043 * expr.c (emit_push_insn): Do not adjust stack pointer when
2046 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
2048 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
2049 * system.h (offsetof): ... to here.
2051 2000-05-12 Richard Henderson <rth@cygnus.com>
2053 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
2054 * final.c (final_end_function): Use app_disable. Rearrange note
2055 handling into a switch. Emit deleted labels.
2056 (output_asm_label): Generate label strings for deleted labels.
2057 * flow.c (tail_recursion_label_list): New.
2058 (find_basic_blocks_1): Set label_value_list directly. Collect list
2059 of tail recursion labels from call_placeholders. Don't add deleted
2060 labels to the label value list.
2061 (cleanup_cfg): Use free_EXPR_LIST_list.
2062 (flow_delete_insn_chain): Turn non-removable labels into notes.
2063 (flow_delete_block): Don't disable deleting the block because of
2064 a non-removable label.
2065 (tail_recursion_label_p): New.
2066 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
2068 (merge_blocks_move_successor_nojumps): Likewise. Also move a
2070 (merge_blocks): Disable a merge because of tail recursion labels.
2071 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
2072 Use a more accurate measure of not merging the join block.
2073 (find_if_block): Don't disable conversion because of a label.
2074 (find_if_case_1, find_if_case_2): Likewise.
2075 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
2076 element when copying.
2077 (squeeze_notes): Also leave EH notes.
2078 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
2080 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
2082 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
2083 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
2084 referring to a deleted label. Convert tail handling to a switch.
2085 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
2086 for NOTE_INSN_DELETED_LABEL.
2087 (NOTE): Fix commentary.
2088 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
2089 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
2090 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
2091 (LABEL_NUSES, LABEL_REFS): Likewise.
2092 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
2094 2000-05-12 Bruce Korb <bkorb@gnu.org>
2096 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
2097 * fixinc/check.diff: updated
2098 * fixinc/inclhack.def: corrected & added some test_text-s
2099 * fixinc/genfixes: removed unneeded options to autogen invocation
2100 * fixinc/fixincl.tpl: Specified the output file
2101 * fixinc/fixfixes.c: visual appearance
2102 * fixinc/fixincl.x: regenerate
2104 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
2106 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
2107 CTRL_defn_fix): Delete.
2108 (fix_char_macro_defines, fix_char_macro_uses): Rename to
2109 char_macro_def_fix and char_macro_use_fix, respectively. Put
2110 them into the FIXUP_TABLE. Get the string to search for from
2113 (format_write): New function.
2114 (format_fix): Use it.
2116 (FIX_PROC_HEAD): Constify text parameter.
2117 (machine_name_fix): Constify all char *s.
2118 * fixtests.c (skip_quote): Remove double static.
2120 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
2121 ctrl_use_quotes): Update for new scheme.
2122 * fixincl.x: Regenerate.
2124 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
2126 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
2128 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
2129 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2131 2000-05-11 Robert Lipe <robertlipe@usa.net>
2133 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
2134 * fixincl.x: Regenerate.
2136 2000-05-11 Richard Henderson <rth@cygnus.com>
2138 * calls.c: Revert both 05-09 patches.
2140 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
2142 * config/mn10300/mn10300.c (print_operand): Print FP constants in
2144 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
2147 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
2148 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
2150 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
2152 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
2154 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2156 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
2158 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
2160 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
2161 * config/avr/avr.c (jump_over_one_insn_p): New function.
2162 * config/avr/avr.md: New peepholes added. Output test and
2163 conditional jump to "sbrc" or "sbrs" command.
2165 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
2167 * cppmain.c (main): Use IS_DIR_SEPARATOR.
2169 2000-05-11 Jakub Jelinek <jakub@redhat.com>
2171 * except.c (find_exception_handler_labels_1): New function.
2172 (find_exception_handler_labels): Split into two functions, dive
2173 into CALL_PLACEHOLDERs when looking for exception handler labels.
2175 2000-05-11 Stan Cox <scox@cygnus.com>
2177 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
2178 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
2179 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
2181 2000-05-11 Bruce Korb <bkorb@gnu.org>
2183 * fixinc/fixfixes.c (double_slash_fix): obsolete
2184 (else_endif_label_fix): obsolete
2185 (format_fix): new, unused as yet
2187 * fixinc/fixlib.h: added fix description struct for use by format_fix
2188 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
2189 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
2190 modules. Removed the vestiges of the script version.
2191 Added support for "make check".
2192 * fixinc/check.diff: base diff file (needs work!!)
2193 * fixinc/check.tpl: quiet the fixup output
2194 * fixinc/fixtests.c (main): obsolete
2195 * fixinc/fixincl.sh: don't bother copying fixincl to ..
2196 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
2198 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
2200 * toplev.c (rest_of_compilation): Remove dead code after
2203 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2205 * cpphash.c (collect_funlike_expansion): Make "# is not
2206 followed by a macro argument name" a pedwarn, not an error.
2207 Preserve the # in the output. Suppress the warning if lang_asm.
2209 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
2211 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
2212 * configure: Rebuilt.
2214 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
2216 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
2218 2000-05-10 Kazu Hirata <kazu@hxi.com>
2220 * combine.c (try_combine): Fix a typo.
2222 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
2224 * config/ia64/ia64.md (insv): Add comment.
2226 2000-05-10 Richard Henderson <rth@cygnus.com>
2228 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
2229 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
2230 dependancies on FPBIT and DPBIT.
2232 2000-05-10 Nick Clifton <nickc@redhat.com>
2234 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
2235 when optimising for size.
2236 (mark_used_regs:) Ditto.
2237 (try_pre_increment_1): Ditto.
2239 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
2241 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
2242 Make error message friendlier.
2244 * cpphash.h (struct hashnode): Use struct hack for name
2246 * cpphash.c (struct hashdummy): New.
2247 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
2248 (make_HASHNODE): No need to set ->name pointer. Correct
2250 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
2252 2000-05-10 Richard Henderson <rth@cygnus.com>
2254 * flow.c (find_basic_blocks_1): Remove any spare bb_note
2257 2000-05-10 Bruce Korb <bkorb@gnu.org>
2259 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
2261 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
2263 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
2264 after we enter .debug.
2266 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
2268 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
2269 abstract instance of a nested inline function.
2271 * stor-layout.c (finish_record_layout): finalize_type_size
2272 before laying out the pending_statics.
2274 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
2276 * cpplex.c (spell_token): New function.
2277 (spell_string, spell_comment, spell_name): fold into
2280 (E, H): Remove macros.
2281 (save_comment): Save comment opening characters too.
2282 (_cpp_lex_file): Update to use spell_token. Tidy up comment
2284 * cpplib.h (I, S): Add macros.
2285 (E, H): Remove macros.
2286 (TTYPE_TABLE): Update entries for new speller.
2287 (SYNTAX_ASSERT): Remove.
2289 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
2291 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
2292 when removing escaped newlines. Reverse sense of test for
2295 2000-05-09 Richard Henderson <rth@cygnus.com>
2297 * flow.c (find_basic_blocks_1): Do not delete the first
2298 bb_note we run across.
2299 (create_basic_block): Use reorder_insns to move an existing
2300 bb_note to the correct place.
2302 2000-05-09 Richard Henderson <rth@cygnus.com>
2304 * calls.c (expand_call): Increment currently_expanding_call
2305 before calling optimize_tail_recursion.
2307 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2309 * reload1.c (reload_combine): Fix errors in last change.
2311 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2313 * gcc.c (used_arg): Skip over a semicolon at the end of the
2314 split-up loop; don't break out of it.
2316 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2317 (tree.o): Depend on output.h.
2319 * c-decl.c (pending_invalid_xref_file,
2320 current_function_prototype_file): Constify.
2321 (pushdecl): Constify a local char *.
2322 (define_label): Constify filename parameter.
2323 * c-lex.c (init_parse): Constify parameter and return value.
2324 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2325 * c-tree.h: Update prototypes.
2326 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2327 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2328 objc/objc-parse.c: Regenerate.
2330 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2331 * dwarfout.h: Update prototypes.
2332 * expr.c (expand_expr): Constify a local char *.
2333 * flags.h: Constify main_input_filename.
2334 * function.c (expand_function_end): Constify filename parameter.
2335 * genrecog.c (make_insn_sequence): Use a character array for
2337 (main): Remove unused variables.
2338 * input.h: Constify input_filename, main_input_filename, and
2339 file_stack.name. Update prototypes.
2340 * output.h: Declare first_global_object_name and
2341 weak_global_object_name here, as const char *.
2342 * stmt.c (expand_asm_operands): Constify filename parameter.
2343 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2344 Constify filename parameter.
2345 (input_filename, main_input_filename): Constify.
2346 * toplev.h: Update prototypes.
2347 * tree.c: Include output.h. Don't declare
2348 first_global_object_name or weak_global_object_name. Clean up string
2349 bashing in get_file_function_name_long.
2350 * tree.h (struct tree_decl): Constify filename member.
2351 (input_filename): Constify.
2353 * varasm.c (first_global_object_name, weak_global_object_name):
2355 (assemble_start_function, assemble_variable): Clean up string bashing.
2357 * gcc.c: Constify all spec-related strings initialized,
2358 transitively, from string constants. Constify all strings
2359 and string variables related to multilibs.
2360 (set_spec, read_specs): Cast argument to free to PTR.
2361 (used_arg): Do not modify multilib_matches. Use strncmp plus
2362 length comparison to compare multilib switches.
2363 * genmultilib: Constify everything declared in multilib.h.
2365 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2367 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2370 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2372 * config/avr/avr-protos.h (extra_constraint): change a type of
2373 second argument from char to int to avoid warnings.
2374 (asm_output_byte): Likewise.
2376 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2377 (initial_elimination_offset): Handle elimination from
2378 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2379 (legitimate_address_p): Use MAX_LD_OFFSET.
2380 (legitimize_address): Likewise.
2381 (out_movqi_r_mr): Likewise.
2382 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2383 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2384 (out_movsi_mr_r): Likewise.
2385 (out_movqi_mr_r): Likewise.
2386 (out_movhi_mr_r): Likewise.
2387 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2388 count as CONST_INT != 6.
2389 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2390 shift count is a CONSTANT_P, but not a CONST_INT.
2391 (ashlhi3_out): Coding style modifications.
2392 (ashlsi3_out): Likewise.
2393 (ashrhi3_out): Likewise.
2394 (ashrsi3_out): Likewise.
2395 (lshrhi3_out): Likewise.
2396 (lshrsi3_out): Likewise.
2397 (ashrqi3_out): Generate shift for any known constant count without
2398 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2399 but not a CONST_INT.
2400 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2401 shift count is a CONSTANT_P, but not a CONST_INT.
2402 (extra_constraint): change a type of
2403 second argument from char to int to avoid warnings.
2404 (asm_output_byte): Likewise.
2405 (asm_file_end): Output size generated commands count as a hex
2408 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2410 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2412 (ashlqi3): Values of "length" attribute changed. Shift count
2413 uses constraints 'n' instead of 'i'.
2414 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2415 shifts without clobber register.
2416 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2417 (call_insn): Correct test for which_alternative == 1 (was 0).
2418 (call_value_insn): Likewise.
2420 * config/avr/t-avr: Remove definition of FLOAT while generates
2423 2000-05-09 Bruce Korb <bkorb@gnu.org>
2425 * fixinc/check.tpl: Template for checking fixes
2426 * fixinc/inclhack.def: Added 'test_text' for many fixes
2427 disable hpux8_bogus_inlines on SCO
2428 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2430 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2432 * calls.c (expand_call): Reorganize somewhat in order
2433 to avoid unnecesary recalculation inside loop and make
2434 tail call failure code cleaner.
2436 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2438 * alias.c (nonlocal_reference_p): Minor reformatting.
2439 * reload.c (find_equiv_reg): Simplify logic for
2440 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2441 some some reformatting.
2442 * reload1.c (reload_combine): Don't assume everything in
2443 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2445 2000-05-08 Richard Henderson <rth@cygnus.com>
2447 * final.c (current_insn_predicate): New.
2448 (final_scan_insn): Set it.
2449 * output.h (current_insn_predicate): Declare.
2451 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2452 Attach it to call insns.
2453 (cond_exec_process_if_block): Track probability for true and
2455 (dead_or_predicable): Likewise.
2457 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2458 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2459 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2460 (estimate_probability, expected_value_to_br_prob): Use them.
2462 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2463 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2464 (ia64_expand_prediction): New.
2465 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2466 as needed after calls.
2467 (ia64_epilogue_uses): Mark b0 used.
2468 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2469 (bne_true, bne_false): Remove.
2470 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2471 (br_true, br_false): New. Use predicate_operator and
2472 ia64_expand_prediction.
2473 (return_true, return_false): Likewise.
2474 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2475 (call_internal1, call_value_internal): Likewise.
2476 (call_value_internal1, call_multiple_values_internal1): Likewise.
2478 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2480 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2482 2000-05-08 Richard Henderson <rth@cygnus.com>
2484 * rtlanal.c (may_trap_p): Consider old-style and volatile
2487 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2489 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2491 2000-05-08 Richard Henderson <rth@cygnus.com>
2493 * config/ia64/ia64.h (predicate_operator): Declare.
2495 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2498 * gensupport.c (process_rtx): Copy and post-process each member
2499 of the define_insn rtvec individually.
2501 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2503 * cpplex.c (spell_token): New function.
2504 (TOKEN_LEN): Add 1 for whitespace.
2505 (_cpp_lex_file): Update to use spell_token.
2506 * cpplib.h (E): Remove.
2507 (TTYPE_TABLE): Update CPP_VSPACE entry.
2509 2000-05-08 Richard Henderson <rth@cygnus.com>
2511 * flow.c (init_propagate_block_info): Watch out for conditional
2512 branch to next instruction, and thus one outgoing edge.
2514 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2515 for global register variables; don't special case __[CD]TOR_LIST__;
2516 mind ggc_p for string allocation.
2518 2000-05-08 Nick Clifton <nickc@cygnus.com>
2520 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2522 2000-05-08 Bruce Korb <bkorb@gnu.org>
2524 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2525 i?86-*-msdosdjgpp* no longer uses fixincludes
2526 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2527 * fixinc/inclhack.sh: deleted
2528 * fixinc/hackshell.tpl: deleted
2529 * fixinc/inclhack.tpl: deleted
2530 * fixinc/Makefile.in: Remove dependencies on above
2531 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2533 2000-05-08 Andreas Jaeger <aj@suse.de>
2535 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2538 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2540 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2543 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2545 * cpplex.c: Move new lexer definitions and prototypes
2546 to top. Conditional include these and the code if
2547 NEW_LEXER is defined. Rename functions whose names
2548 clash if this code included.
2550 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2552 * rtl.def (COND_EXEC): Clarify.
2554 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2555 same fashion as zero_extendsidi2.
2557 2000-05-06 Richard Henderson <rth@cygnus.com>
2559 * config/ia64/ia64.c (predicate_operator): New.
2560 (ia64_print_operand): Handle 'J'.
2561 (rtx_needs_barrier): Handle COND_EXEC.
2562 * config/ia64/ia64.h (BRANCH_COST): Define.
2563 (PREDICATE_CODES): Update.
2564 * config/ia64/ia64.md: Docuement used unspec values.
2565 (attr predicable): New.
2566 (movxf, movxf_internal): New.
2567 (extendsfdf2): Don't comment out nop.
2568 (floatdidf2): Remove.
2569 (truncxfsf2, truncxfdf2, floatdixf2): New.
2570 (abssi2, absdi2): Put the neg in the "true" slot.
2571 (conditional branch instructions): Mark not predicable.
2572 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2573 (abs*_internal): Likewise.
2574 (alloc, set_bsp): Mark not predicable.
2575 (barrier, insn_group_barrier, flush_cache): Likewise.
2576 (define_cond_exec): New.
2578 2000-05-06 Richard Henderson <rth@cygnus.com>
2580 * c-decl.c: Include "tm_p.h".
2582 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2583 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2584 (ia64_expand_op_and_fetch): Declare.
2585 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2586 (setjmp_operand): Constify variables for XSTR.
2587 (ia64_encode_section_info): Likewise.
2588 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2590 (ia64_asm_output_external): Constify name.
2591 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2592 (process_for_unwind_directive): Provide switch default.
2593 (ia64_expand_compare_and_swap): Remove unused variables.
2594 (ia64_expand_builtin): Likewise.
2595 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2598 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2599 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2600 (shift_count_operand, shift_32bit_count_operand): Likewise.
2601 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2602 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2603 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2604 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2605 (ia64_expand_builtin): Likewise.
2606 (call_multiple_values_operation): Make dest_regno unsigned.
2608 2000-05-06 Richard Henderson <rth@cygnus.com>
2610 * rtl.def (DEFINE_COND_EXEC): New.
2611 * md.texi: Document it.
2613 * gensupport.c (input_file): Remove.
2614 (struct queue_elem): Add lineno.
2615 (rtx_ready_queue): Remove.
2617 (predicable_default): New.
2618 (predicable_true, predicable_false): New.
2619 (define_attr_queue, define_attr_tail): New.
2620 (define_insn_queue, define_insn_tail): New.
2621 (define_cond_exec_queue, define_cond_exec_tail): New.
2622 (other_queue, other_tail): New.
2623 (queue_pattern): New.
2624 (process_rtx): Add patterns to the appropriate queues.
2625 (is_predicable, identify_predicable_attribute): New.
2626 (n_alternatives, collect_insn_data): New.
2627 (alter_predicate_for_insn, alter_test_for_insn): New.
2628 (shift_output_template, alter_output_for_insn): New.
2629 (process_one_cond_exec, process_define_cond_exec): New.
2630 (init_md_reader): Read the entire file. Process define_cond_exec.
2631 (read_md_rtx): Return elements from the queues.
2633 2000-05-06 Richard Henderson <rth@cygnus.com>
2635 * flow.c (mark_set_1): Don't update conditional life info
2636 if the register is not_dead.
2638 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2640 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2641 (mostlyclean): Also delete fixincl, fixinc.sh, and
2642 specs.ready, and make clean in the fixinc subdir.
2644 2000-05-06 Richard Henderson <rth@cygnus.com>
2646 * Makefile.in (gensupport.o): Compile for the host.
2647 (host-prefix gensuuprt.o): Remove.
2648 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2649 (genattrtab.o): Likewise.
2650 (gencodes.o): Depend on gensupport.h.
2651 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2652 (genpeep.o, genattr.o, genoutput.o): Likewise.
2654 * gensupport.c (obstack, rtl_obstack): New.
2655 (init_md_reader): Initialize rtl_obstack.
2656 * gensupport.h (rtl_obstack): Declare.
2657 (message_with_line): Declare.
2659 * genattr.c: Remove all traces of obstack manipulation.
2660 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2661 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2663 * genattrtab.c (obstack, rtl_obstack): Remove.
2664 (main): Don't init rtl_obstack.
2665 * genflags.c: Likewise.
2667 * genrecog.c (message_with_line): Move ...
2668 * gensupport.c: ... here.
2670 2000-05-06 Richard Henderson <rth@cygnus.com>
2672 * c-typeck.c (build_c_cast): Remove dead code.
2674 2000-05-06 Richard Henderson <rth@cygnus.com>
2676 * flow.c (split_edge): Don't allocate global_live_at_start for
2677 the new block unless the old blocks had them as well.
2679 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2681 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2682 test_bb if a or b uses x.
2684 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2686 * cpphash.h: Remove conditional #define of __extension__.
2687 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2688 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2689 (ENABLE_RTL_CHECKING only).
2690 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2691 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2692 (ENABLE_TREE_CHECKING only).
2693 * varray.h: Add __extension__ to VARRAY_CHECK macro
2694 (ENABLE_CHECKING only).
2696 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2698 Use new tail-calling mechanism on ARM.
2699 * arm.md (sibcall, sibcall_value): New expands.
2700 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2701 (tailcalling peepholes): Delete.
2702 (push_multi): Simplify.
2703 * arm.c (lr_save_eliminated): Delete definition.
2704 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2705 (output_return_instruction): Remove checks on lr_save_eliminated.
2706 (output_arm_prologue): Remove old tail-calling code.
2707 (arm_output_epilogue): New parameter, really_return. All callers
2708 changed. Handle tail-calling epilogues.
2709 * arm.h (lr_save_eliminated): Delete declaration.
2710 (frame_pointer_needed): Delete declaration.
2711 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2713 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2715 * arm.c (thumb_code): Define it.
2716 (arm_override_options): Set it.
2717 * arm.h (thumb_code): Declare it.
2719 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2721 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2723 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2725 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2726 bogus clobber to insns.
2727 (load_multiple_operation, store_mulitple_operation): Don't check
2729 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2731 * arm.md (and_scc, ior_scc): Add missing mode.
2733 * arm.md (call_value_symbol): Remove predicate from op2.
2735 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2737 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2739 * expr.c (get_subtarget): New function.
2740 (force_operand, expand_expr, do_store_flag): Use it.
2742 * toplev.c (compile_file): Don't take strlen of NAME if null.
2744 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2746 * xcoffout.c (xcoff_current_include_file,
2747 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2748 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2750 (xcoffout_declare_function): Make name 'const char *'.
2751 (xcoffout_end_epilogue): Make fname 'const char *'
2752 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2753 xcoffout_declare_function, xcoffout_source_line): Match above.
2755 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
2757 * rs6000.c (print_operand): Fix lossage typo.
2758 (output_cbranch): Remove "cr" decoration for now.
2759 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
2761 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
2763 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
2766 2000-05-05 Bruce Korb <bkorb@gnu.org>
2768 * fixinc/genfixes: Improve the matching for make target names
2770 2000-05-05 Catherine Moore <clm@cygnus.com>
2772 * c-common.c (decl_attributes): For TYPE_DECLs attach the
2773 attribute to the decl.
2774 * c-decl.c (pushdecl): Propagate the USED attribute to the
2777 2000-05-05 Richard Henderson <rth@cygnus.com>
2779 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
2780 same way emit_group_load does.
2782 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
2784 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
2786 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
2789 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
2791 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
2793 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
2795 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
2796 to support -shared, on platforms with dynamic libraries.
2798 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
2800 * system.h (S_ISBLK): Provide fallback definition.
2802 2000-05-05 Geoff Berry <geoffb@bops.com>
2804 * extend.texi (Extended Asm): Document inability to give asm
2805 statements access to condition codes.
2807 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
2809 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
2810 as arg 2 of UNIQUE_SECTION.
2812 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
2814 * predict.c: Remove May 4 change.
2815 * bb-reorder.c (make_reorder_chain): Do not perform block movement
2816 if we have predicted the branch at 50-50 probability.
2818 2000-05-05 Richard Henderson <rth@cygnus.com>
2820 * flow.c (init_propagate_block_info): Fix merge error
2821 in HAVE_conditional_execution code.
2823 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
2825 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
2826 shift cycle for unknown shift count. Also generates dec + brpl.
2827 (ashlqi3_out): Don't generate dec + brpl which now generates by
2828 `out_shift_with_cnt'.
2829 (ashlhi3_out): Likewise.
2830 (ashlsi3_out): Likewise.
2831 (ashrqi3_out): Likewise.
2832 (ashrhi3_out): Likewise.
2833 (ashrsi3_out): Likewise.
2834 (lshrqi3_out): Likewise.
2835 (lshrhi3_out): Likewise.
2836 (lshrsi3_out): Likewise.
2838 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
2840 * gcc.c (free_split_directories): Correct typo in explanation
2841 of make_relative_prefix.
2843 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2845 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
2846 comparison codes to branch_comparison_operator.
2848 2000-05-04 Richard Henderson <rth@cygnus.com>
2850 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
2852 2000-05-04 Richard Henderson <rth@cygnus.com>
2854 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
2855 (DPBIT_FUNCS): Remove _sf_to_usi.
2856 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
2858 * ifcvt.c (noce_process_if_block): Fail if A or B modified
2859 between condition and jump.
2861 * libgcc2.c (near eh_context_specific): Comment #endif string.
2862 * longlong.h: Don't use strings with embedded newlines.
2864 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2866 * config/rs6000/rs6000-protos.h: Add output_cbranch.
2867 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
2868 (print_operand): Delete %t and %T codes.
2869 (output_cbranch): New function. Support branch prediction.
2870 * config/rs6000/rs6000.md: Use output_cbranch for
2871 conditional branches and returns.
2873 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
2875 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
2876 * stor-layout.c (place_field): Likewise.
2877 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
2878 * expr.c (store_expr): Make align unsigned.
2879 * explow.c (plus_constant_wide): Make low words unsigned.
2880 * expmed.c (choose_multiplier): Likewise.
2881 * fold-const.c (fold): Likewise.
2882 * tree.h (build_int_2): Likewise.
2883 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
2884 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
2885 (init_emit): Change cast to unsigned char*.
2886 * varasm.c (compare_constant_1): Add cast to char*.
2887 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
2888 * reload1.c (reload): Likewise.
2890 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
2892 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
2894 * predict.c (estimate_probability): If no prediction was found, then
2895 predict the successor that is the next physical block (if such a
2898 2000-05-04 Richard Henderson <rth@cygnus.com>
2900 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
2902 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2904 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
2906 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
2908 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
2909 attribute macros from here ...
2910 (CPP_SPEC): to here.
2911 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2912 (CPP_SPEC): Likewise.
2913 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
2915 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
2916 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
2918 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2920 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
2922 * diagnostic (vbuild_message_string, build_message_string,
2923 build_location_prefix, output_get_prefix, init_output_buffer,
2924 output_notice, vline_wrapper_message_with_location,
2925 v_message_with_decl, default_print_error_function): De-constify.
2926 (set_real_maximum_length): Prototype.
2928 * diagnostic.h (struct output_buffer, init_output_buffer,
2929 output_get_prefix, output_set_prefix): De-constify.
2931 * function.c (init_function_start): Constify.
2933 * gensupport.c (remove_constraints, process_rtx): Prototype.
2935 * gthr-posix.h: Indent uses of #pragma.
2937 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
2940 * predict.c (find_expected_value): Delete prototype.
2941 (expected_value_to_br_prob): Initialize variable `ev_reg'.
2943 * sbitmap.h (debug_sbitmap): Prototype.
2945 * ssa.c (compute_coalesced_reg_partition): Prototype.
2947 * stor-layout.c (debug_rli): Prototype.
2949 * tree.h (round_down): Prototype.
2950 (init_function_start): Constify.
2952 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
2954 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
2955 (overly conservative). Change extern inline wrappers to
2956 static inline, define them always, use PARAMS properly.
2957 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
2958 whitespace warnings for \f and \v at the beginning of a line.
2960 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
2962 * haifa-sched.c (schedule_insns): Free the flow edge list when it
2965 2000-05-04 Bruce Korb <bkorb@gnu.org>
2967 * fixincl/inclhack.def: added broken_cabs -
2968 Remove `extern double cabs' declarations from math.h
2969 * fixincl/inclhack.sh: regen
2970 * fixincl/fixincl.x: regen
2971 * fixincl/fixincl.c: Remove BOGOSITY code
2972 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
2974 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2976 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
2978 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
2979 when calling MEM_COPY_ATTRIBUTES.
2980 * emit-rtl.c (operand_subword, change_address): Likewise.
2981 * explow.c (stabilize): Likewise.
2982 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2983 * integrate.c (copy_rtx_and_substitute): Likewise.
2984 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
2985 when calling MEM_COPY_ATTRIBUTES.
2986 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
2988 * cse.c (gen_lowpart_if_possible): Likewise.
2989 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2990 * optabs.c (gen_move_insn): Likewise.
2991 * recog.c (validate_replace_rtx_1): Likewise.
2992 * simplify-rtx.c (add_mem_for_addr): Likewise.
2993 * stmt.c (expand_anon_union_decl): Likewise.
2994 * config/arm/arm.md: Likewise.
2995 * config/h8300/h7300.c (fix_bit_operand): Likewise.
2996 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
2997 (block_move_no_loop, block_move_sequence): Likewise.
2998 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
2999 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3000 Clear MEM_ALIAS_SET.
3001 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
3002 MEM_COPY_ATTRIBUTES.
3004 2000-05-03 Robert Lipe <robertlipe@usa.net>
3006 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
3007 to suppress libgcc1.
3008 (i[34567]86-*-sco3.2v5*) Likewise.
3009 (i[34567]86-*-sco3.2v4*) Likewise.
3010 (i[34567]86-*-sco) Likewise.
3011 (i[34567]86-*-solaris2) Likewise.
3012 (i[34567]86-*-sysv5*) Likewise.
3013 (i[34567]86-*-sysv4*) Likewise.
3014 (i[34567]86-*-udk*) Likewise.
3015 (i[34567]86-*-sysv*) Likewise.
3017 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3019 * cpphash.h (U): New define, to correct type of string constants.
3020 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
3021 routines, to do casts when passing unsigned strings to libc.
3022 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
3024 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
3025 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
3026 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
3027 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
3028 second argument an U_CHAR *.
3030 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
3031 length field, clean up initializer.
3032 (ISTABLE): Add __extension__ to designated-
3033 initializers version.
3034 * cpplex.c (CHARTAB): Likewise.
3036 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
3037 case so the file won't be empty.
3039 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
3041 * bb-reorder.c (struct reorder_block_def): Member succ removed.
3042 (REORDER_BLOCK_SUCC): Removed.
3043 (enum reorder_skip_type): Removed.
3044 (skip_insns_between_block): Renamed to skip_insns_after_block.
3045 Removed second argument. Removed dead code and cleaned up.
3046 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
3047 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
3048 second parameter to skip_insns_after_block.
3050 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3052 * tree.c (staticp, case LABEL_DECL): New case.
3054 2000-05-03 Richard Henderson <rth@cygnus.com>
3056 * Makefile.in (start.encap): Do not depend on LIBGCC1.
3058 * mklibgcc1.in: Fix typo last change.
3060 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3062 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
3063 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
3064 (GCC_CFLAGS): Use it.
3065 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
3066 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
3067 objc/Make-lang.in: Use it.
3069 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
3071 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
3073 2000-05-03 Richard Henderson <rth@cygnus.com>
3075 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
3076 LIBGCC1 empty with libgcc1.null.
3078 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
3080 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
3083 2000-05-03 Greg McGary <gkm@gnu.org>
3085 * tree.h (tree_common): Add bounded_flag member. Remove
3086 inaccurate comment about number of remaining bits.
3087 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
3088 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
3089 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
3090 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
3091 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
3092 (TYPE_QUAL_BOUNDED): New constant.
3093 (TYPE_QUALS): Handle bounded qualifier.
3094 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
3095 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
3096 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
3097 TYPE_AMBIENT_BOUNDEDNESS): New macros.
3098 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
3099 (tree_type): Add pointer_depth member. Remove
3100 inaccurate comment about number of remaining bits.
3101 (DECL_POINTER_DEPTH): Add macro.
3102 (tree_decl): Add pointer_depth member.
3104 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
3106 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
3107 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
3108 (lshrhi3_out): Likewise.
3109 (ashrsi3_out): bugfix in shift by 8.
3110 (test_hard_reg_class): New function.
3111 * config/avr/avr.md: Bugfix inside conditions in peepholes.
3112 (ashlhi3): removed define_expand of this pattern.
3113 (*ashlhi3_insn): renamed to ashlhi3.
3114 (ashlsi3): removed define_expand of this pattern.
3115 (*ashlsi3_insn): renamed to ashlsi3.
3116 (ashrqi3): removed define_expand of this pattern.
3117 (*ashrqi3_insn): renamed to ashrqi3.
3118 (ashrhi3): removed define_expand of this pattern.
3119 (*ashrhi3_insn): renamed to ashrhi3.
3120 (ashrsi3): removed define_expand of this pattern.
3121 (*ashrsi3_insn): renamed to ashrsi3.
3122 (lshrhi3): removed define_expand of this pattern.
3123 (*lshrhi3_insn): renamed to lshrhi3.
3124 (lshrsi3): removed define_expand of this pattern.
3125 (*lshrsi3_insn): renamed to lshrsi3.
3127 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
3129 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
3130 inclusion of "system.h".
3132 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
3134 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
3137 2000-05-03 David Mosberger <davidm@hpl.hp.com>
3139 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
3140 if -mauto-pic is on.
3141 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
3142 -mconstant-gp is in effect and function-descriptors are being used
3143 to make indirect calls.
3144 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
3145 (MASK_AUTO_PIC): Ditto.
3146 (TARGET_CONST_GP): Ditto.
3147 (TARGET_AUTO_PIC): Ditto.
3148 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
3149 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
3150 -mno-pic is in effect.
3151 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
3152 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
3153 -mauto-pic is in effect.
3154 (gprel64_offset): New pattern.
3155 (load_gprel64): Ditto.
3156 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
3157 -mconstant-gp is in effect, no need to preserve gp around direct
3159 (call_value): Ditto.
3160 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
3161 (FUNCTION_PROFILER): Define.
3162 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
3163 @fptr() directive when -mno-pic or -mauto-pic is in effect.
3164 (ASM_OUTPUT_DESTRUCTOR): Ditto.
3166 2000-05-03 Richard Henderson <rth@cygnus.com>
3168 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
3169 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
3170 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
3171 (mklibgcc, libgcc.mk): New targets.
3172 (libgcc.a): Use libgcc.mk.
3173 (stmp-multilib): Likewise.
3174 (stmp-multilib-sub): Remove.
3175 (mostlyclean): Don't delete libgcc2 temp files.
3176 * configure.in (AC_PROG_CC_C_O): Add.
3177 (NO_MINUS_C_MINUS_O): Substitute it.
3178 (all_outputs): Add mklibgcc.
3179 * mklibgcc.in: New file.
3181 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3183 * cppexp.c (op_t): Make an int.
3185 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
3187 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
3189 * gensupport.c (process_rtx): Fix macros used.
3191 2000-05-03 Richard Henderson <rth@cygnus.com>
3193 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
3194 call-clobbered registers of a call.
3196 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3198 * gensupport.c: New file.
3199 * gensupport.h: New file.
3200 * Makefile.in (HOST_RTL): Depend on gensupport.
3201 (gensupport.o) New rule.
3202 * genattr.c: Use gensupport for reading .md files.
3203 * genattrtab.c: Ditto.
3204 * gencodes.c: Ditto.
3205 * genconfig.c: Ditto.
3207 * genextract.c: Ditto.
3208 * genflags.c: Ditto.
3209 * genopinit.c: Ditto.
3210 * genoutput.c: Ditto.
3212 * genrecog.c: Ditto.
3213 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
3214 * md.texi (Insn Splitting): Document define_insn_and_split.
3216 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
3218 * flow.c (verify_flow_info): Added two more sanity checks. The
3219 first checks that the blocks are numbered consecutively. The second
3220 checks that n_basic_blocks is actually equal to the number of
3221 basic blocks in the insn chain.
3223 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3225 * cpplib.h: Add accessor macros for token lists.
3226 * cpplib.c, cpphash.c, cpplex.c: Use them.
3228 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3230 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
3231 memory usage if not in a function.
3232 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
3233 return address if static.
3235 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
3237 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
3238 whether address may trap.
3240 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
3242 * bb-reorder (chain_reorder_blocks): Changed code to test for
3243 EDGE_FALLTHRU rather than making erroneous assumption that the
3244 first outgoing edge is the fall-through edge.
3246 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
3248 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
3249 ABI for varargs, across all MIPS. This is incompatible because the
3250 va_list (__builtin_va_list) structure is different, so a compilation
3251 unit passing a va_list and a compilation unit being passed one, should
3252 both be compiled with the same ABI. (The old structure had two
3253 pointers, now it has three.)
3255 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
3257 * bb-reorder.c (struct reorder_block_def): Remove members end,
3258 block_begin, and block_end.
3259 (REORDER_BLOCK_OLD_END): Delete.
3260 (REORDER_BLOCK_BEGIN): Delete.
3261 (REORDER_BLOCK_END): Delete.
3262 (chain_reorder_blocks): Remove dead code.
3264 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
3266 * bb-reorder.c (remove_scope_notes): Check for both types of scope
3267 notes as the end of a basic block before deleting.
3269 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
3271 * final.c (final_start_function): Fix spelling of "necessary".
3273 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
3275 * toplev.c (debug_ignore_block): Return int.
3276 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
3277 * toplev.h, dwarf2out.h: Adjust.
3278 * emit-rtl.c (remove_unnecessary_notes): Test return value.
3280 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
3281 * toplev.c, final.c, rtl.h: Adjust.
3283 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3285 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
3286 * configure.in: Look for makeinfo in the unified tree, then
3287 for a system makeinfo which is sufficiently new.
3288 * Makefile.in: If configure says makeinfo is too old, don't
3289 build or install Info documentation.
3291 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3293 * cpphash.c (collect_params): Fix off-by-one error.
3294 (dump_hash_helper): Dump all four macro nodetypes.
3296 2000-05-02 Jakub Jelinek <jakub@redhat.com>
3298 * cpphash.c (trad_stringify): Adjust p after stringification as
3301 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3303 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
3304 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
3306 * cppfiles.c (file_cleanup): Delete.
3307 * cpphash.c (macro_cleanup): Delete.
3308 (collect_objlike_expansion, collect_funlike_expansion,
3309 macarg, scan_arguments): Remove CPP_POP case.
3311 * cpplex.c (null_cleanup): Delete.
3312 (cpp_pop_buffer): Do the work that was done in the cleanups
3313 here. Call _cpp_unwind_if_stack from here.
3314 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3315 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3316 stack is the buffer _below_ the one we stacked.
3317 (cpp_get_token): Always pop an exhausted buffer. Return
3318 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3319 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3320 increment the line number.
3321 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3323 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3324 we see CPP_EOF and the top of stack is the buffer _below_ the
3326 * scan-decls.c: Likewise.
3328 2000-05-02 Andrew Haley <aph@cygnus.com>
3330 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3331 where this function is called for the second time on a decl that
3332 has had its section info changed in such a way as to move it out
3334 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3336 2000-05-01 Richard Henderson <rth@cygnus.com>
3338 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3339 the sequence we're moving, not to merge_bb->head.
3341 2000-05-01 Richard Henderson <rth@cygnus.com>
3343 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3344 reference to alpha/t-linux.
3345 (alpha*-*-linux-gnu*): Likewise.
3346 * configure: Rebuild.
3348 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3350 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3353 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3355 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3357 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3360 2000-05-01 Richard Henderson <rth@cygnus.com>
3362 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3363 emit_conditional_move.
3365 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3367 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3368 as the dynamic linker.
3370 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3372 * cppfiles.c (open_include_file): Open file in blocking mode.
3373 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3374 Only exclude block devices and directories.
3376 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3377 static. Allocate the hashnode and its string in the same
3379 (del_HASHNODE): Don't free h->name.
3380 (_cpp_lookup): If there is no entry for this string, create
3381 one, of type T_VOID.
3382 (_cpp_lookup_slot): Delete.
3383 * cpphash.h: Update prototypes.
3385 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3387 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3388 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3389 node here, just fill in the value field properly. "Delete"
3390 entries by setting the value field to T_VOID. Check for
3391 hp->type == T_VOID, not hp == NULL.
3393 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3394 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3397 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3399 * config/mn10300/mn10300.c (print_operand_address): Do not add
3402 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3403 adjusted by less than 256 bytes, use ret regardless of having any
3404 callee-saved register to restore.
3406 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3408 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3410 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3412 * config/i386/djgpp.h (INT_ASM_OP): Define.
3413 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3414 (ASM_WEAKEN_LABEL): Define.
3415 (MASK_BNU210): Define.
3416 (SUBTARGET_SWITCHES): Define.
3417 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3418 (MAKE_DECL_ONE_ONLY): Define.
3419 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3421 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3423 * i386/cygwin.h (INT_ASM_OP): Define.
3425 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3427 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3428 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3430 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3432 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3433 __tmp_reg__ and __zero_reg__ initialization.
3435 2000-04-30 Richard Henderson <rth@cygnus.com>
3437 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3439 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3440 referenced bewteen the condition and the jump. Don't delete
3441 anything but the jump.
3443 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3445 * bb-reorder.c (scope_def): New struct.
3446 (scope_forest_info): New struct.
3447 (struct reorder_block_def): New member "scope".
3448 (REORDER_BLOCK_SCOPE): New macro.
3449 (relate_bbs_with_scopes): New function and prototype.
3450 (make_new_scope): Likewise.
3451 (build_scope_forest): Likewise.
3452 (remove_scope_notes): Likewise.
3453 (insert_intra_1): Likewise.
3454 (insert_intra_bb_scope_notes): Likewise.
3455 (insert_inter_bb_scope_notes): Likewise.
3456 (rebuild_scope_notes): Likewise.
3457 (free_scope_forest_1): Likewise.
3458 (free_scope_forest): Likewise.
3459 (dump_scope_forest): Likewise.
3460 (dump_scope_forest_1): Likewise.
3461 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3462 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3464 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3465 and remove_scope_notes before reordering is done. Added calls to
3466 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3467 after reordering is done.
3469 2000-40-30 Bruce Korb <bkorb@gnu.org>
3471 * fixinc/inclhack.def: Added definitions needed by OSR5,
3472 removed two stale entries (defined away with OLD_CPP).
3473 * fixinc/inclhack.sh: regen
3474 * fixinc/fixincl.x: regen
3476 2000-04-30 Richard Henderson <rth@cygnus.com>
3478 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3479 from the last insn in the sequence.
3481 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3483 * cpplex.c (cpp_idcmp): New function.
3484 * cpplib.h: Prototype it.
3485 * scan_decls.c (scan_decls): Use it to inspect token names.
3486 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3487 the file being run through the preprocessor.
3488 (check_macro_names): Provide length of token to cpp_defined.
3490 * Makefile.in: Remove stale warning message.
3492 * cppfiles.c (redundant_include_p): Provide length of token to
3494 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3495 values are unsigned int.
3496 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3497 (_cpp_lookup_slot): Do not calculate the hash, either.
3498 * cpphash.h: Update prototypes.
3499 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3500 Hashes are unsigned int. Calculate hash here, pass by value
3501 to _cpp_lookup_slot.
3503 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3505 * simplify-rtx.c (check_value_useless): Delete function.
3506 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3508 (cselib_invalidate_regno): Likewise.
3509 (cselib_invalidate_mem_1): Likewise.
3510 (references_value_p): Recognize useless values by the fact that they
3512 (discard_useless_values): Likewise.
3513 (cselib_record_set): This may turn a useless value
3516 2000-04-30 Richard Henderson <rth@cygnus.com>
3518 * config/d30v: New port.
3520 * configure.in (d30v-*): Set fp format.
3521 * configure: Rebuild.
3523 2000-04-30 Richard Henderson <rth@cygnus.com>
3525 * ifcvt.c: New file.
3526 * Makefile.in (OBJS): Add it.
3527 (ifcvt.o): New target.
3528 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3529 and conditional arithmetic.
3530 (find_insert_position): Remove.
3531 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3532 * toplev.c (DFI_ce, DFI_ce2): New.
3533 (dump_file): Add ce and ce2 dumps.
3534 (rest_of_compilation): Run if_convert a couple o times. Set
3535 cse_not_expected after cse2. Don't set no_new_pseudos until
3536 after sched1 or recompute_reg_usage.
3538 2000-04-30 Richard Henderson <rth@cygnus.com>
3540 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3541 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3543 2000-04-30 Richard Henderson <rth@cygnus.com>
3545 * flow.c (struct reg_cond_life_info): New.
3546 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3547 (init_propagate_block_info): Initialize them.
3548 (free_propagate_block_info): Destruct them.
3549 (mark_set_1): Consider conditional life before killing a register.
3550 (mark_regno_cond_dead): New.
3551 (free_reg_cond_life_info): New.
3552 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3553 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3554 (mark_used_reg): Record conditional life.
3556 * haifa-sched.c (schedule_insns): Disable death counting
3557 sanity check for HAVE_conditional_execution.
3559 2000-04-30 Richard Henderson <rth@cygnus.com>
3561 * Makefile.in (TIMEVAR_H): New.
3562 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3563 (timevar.h): Remove rule.
3565 2000-04-29 Richard Henderson <rth@cygnus.com>
3567 * config/alpha/crtend.asm: Use C comments instead of #.
3568 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3570 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3572 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3574 * cpphash.h (enum node_type: Take out T_MCONST.
3575 (union hashval): Move into struct hashnode.
3576 (struct hashnode): Pack tighter. Remove file, line, col
3578 * cpphash.c: Constify most of the macro-definition structures.
3579 (struct definition): Replace by struct object_defn
3580 and struct funct_defn. Put file, line, column information
3581 here. All users updated to match.
3582 (_cpp_create_definition, _cpp_macroexpand): Remove special
3583 case for #define WORD OTHERWORD.
3584 * cpplib.c (do_undef): Remove T_MCONST case.
3586 * cpphash.h: Move struct reflist, struct definition, and the
3587 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3588 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3589 * cpphash.c (_cpp_free_definition): Free data pointed to by
3590 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3591 (_cpp_create_definition, del_HASHNODE): Just call
3592 _cpp_free_definition to clear out a hashnode.
3593 * cpplib.c (do_pragma_poison): Likewise.
3595 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3597 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3598 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3599 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3600 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3601 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3602 REGNO_AM33_P): Redefine in terms of the new macros.
3603 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3604 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3605 STRUCT_VALUE): Likewise.
3606 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3607 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3609 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3611 * regmove.c (struct record_stack_memrefs_data): New.
3612 (record_stack_memrefs): New function.
3613 (combine_stack_adjustments_for_block): Use it.
3615 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3617 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3618 use special_function_p to detect alloca.
3620 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3622 * gcc.texi: Fixes for makeinfo 4.0 --html.
3624 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3626 * pcp.h: Delete file.
3628 2000-04-28 Kazu Hirata <kazu@hxi.com>
3630 * h8300.c (function_epilogue): Clean up flags when the last insn
3631 in a function is a barrier.
3633 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3635 * configure.in (sparc-hal-solaris2*): protect [] glob from
3637 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3638 rather than hard-coded constants in target_cpu_default2.
3639 * configure: Regenerate.
3641 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3643 * tree.c (get_callee_fndecl): Extract the initial value from
3646 2000-04-28 Richard Henderson <rth@cygnus.com>
3648 * varasm.c (record_constant_1): Record the CODE_LABEL when
3649 taking the address of a LABEL_REF.
3651 2000-04-28 Richard Henderson <rth@cygnus.com>
3652 Jan Hubicka <jh@suse.cz>
3654 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3655 adjustment; don't do the stack adjust.
3656 (expand_call): Call compute_argument_block_size right before
3657 allocating the block; update comment; don't do alignment sanity
3658 checking for sibling call; use args_size instead of
3659 unadjusted_args_size before args_size is adjusted. Use
3660 combine_pending_stack_adjustment_and_call to compute stack adjust
3661 for must_preallocate case.
3663 * expr.c (push_block): Remove shadow `temp' in inner scope.
3665 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3667 * toplev.c (rest_of_compilation): Call
3668 note_deferral_of_defined_inline_function even if the function
3671 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3673 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3675 2000-04-28 Richard Henderson <rth@cygnus.com>
3677 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3679 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3681 * timevar.c (init_timevar): DeANSIfy function definition.
3683 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3685 * Makefile.in (timevar.o): Depend on flags.h.
3686 * timevar.c (unused_stack_instances): New variable.
3687 (timevar_push): Take a timevar_stack_def from
3688 unused_stack_instances if available.
3689 (timevar_pop): Push the popped timevar_stack_def onto
3690 unused_stack_instances.
3691 (TIMEVAR_ENABLE): New macro.
3692 (timevar_def): Make standalone a 1-bit field. Add field used.
3693 (get_time): Rename parameter to now. Return after clearing it if
3695 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3696 (timevar_pop): Likewise.
3697 (timevar_stop): Likewise.
3698 (timevar_push): Likewise. Mark the timing variable as used.
3699 (timevar_start): Likewise.
3700 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3701 timevars that were never used.
3703 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3705 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3706 always TREE_READONLY.
3708 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3710 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3711 for call instruction with mode QImode.
3713 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3715 * Makefile.in (OBJS): Add timevar.o.
3716 (toplev.o): Depend on timevar.h.
3717 (ggc-simple.o): Likewise.
3718 (ggc-page.o): Likewise.
3719 (timevar.o): New rule.
3720 (timevar.h): New rule.
3722 * timevar.h: New file.
3723 * timevar.c: Likewise.
3724 * timevar.def: Likewise.
3726 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3727 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3729 (TIMEVAR): Remove macro.
3730 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3731 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3732 flow_time, combine_time, regmove_time, sched_time,
3733 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3734 sched2_time, dbr_sched_time, reorder_blocks_time,
3735 rename_registers_time, shorten_branch_time, stack_reg_time,
3736 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3738 (compile_file): Don't initialize time variables. Call
3739 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3740 of many calls to print_time.
3741 (rest_of_compilation): Add timing for reload_cse_regs.
3742 (get_run_time): Removed to timevar.c.
3743 (print_time): Likewise.
3744 (get_run_time): Implement using TV_TOTAL time variable.
3745 (print_time): Get total run time from get_run_time.
3746 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3747 computing elapsed time explicitly.
3748 * ggc-simple.c (ggc_collect): Likewise.
3749 (gc_time): Remove declaration.
3751 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3753 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3754 (expand_call): Use it.
3756 2000-04-27 Jan Hubicka <jh@suse.cz>
3758 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
3761 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3763 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
3766 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
3768 * function.c (epilogue_done): Pass whole insn to record_insns.
3770 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3772 * cse.c (CSE_ADDRESS_COST): Remove.
3773 (find_best_addr): Add new parameter "MODE", use address_cost instead
3775 (address_cost): New.
3776 (fold_rtx): Update call of find_best_addr.
3777 * rtl.h (address_cost): Declare.
3778 * loop.c (general_induction_var): Add new parameter "MODE", use
3779 address_cost instead of ADDRESS_COST
3780 (init_loop): Use address_cost instead of ADDRESS_COST.
3781 (check_insn_for_givs): Update call of general_induction_var.
3782 (find_mem_givs): Likewise.
3783 (consec_sets_giv): Likewise.
3784 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
3785 * i386.c (ix86_address_cost): New.
3786 * i386-protos.h (ix86_address_cost): Declare.
3788 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
3790 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
3793 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
3795 * expr.c (store_expr): Use clear_storage instead of direct memset
3798 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
3800 * config/mn10300/mn10300.c (mn10300_address_cost): Test
3801 ASHIFT, AND and LABEL_REF.
3803 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
3805 * invoke.texi (-foptimize-sibling-calls): Fix.
3807 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
3809 * loop.c (load_mems) Don't use hard registers for the hoisting.
3811 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
3812 calculation; rename const_equiv array in the preconditioning code
3813 from loop_unroll to loop_unroll_precondition
3815 2000-04-27 Richard Henderson <rth@cygnus.com>
3817 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
3819 (propagate_one_insn): Clear it. Don't update reg_live here.
3820 (init_propagate_block_info): Update for pbi member changes.
3821 (free_propagate_block_info): Likewise.
3822 (mark_set_1): Know that zero_extract, sign_extract, and
3823 strict_low_part don't kill their argument. Alter hard subregs.
3824 Update new_set for non-CLOBBER sets. Update reg_live.
3825 (find_auto_inc): Update reg_live, not new_dead.
3826 (mark_used_reg): Update reg_live, not new_live. Examine new_set
3827 to determine if the reg in question was set this insn. Only update
3828 reg info with PROP_REG_INFO.
3830 2000-04-26 Richard Henderson <rth@cygnus.com>
3832 * flow.c (allocate_reg_life_data): Set max_regno here ...
3833 (life_analysis): ... not here.
3835 * flow.c (calculate_global_regs_live): Force stack pointer
3838 2000-04-26 Richard Henderson <rth@cygnus.com>
3840 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
3841 commit change group changes.
3842 (invert_exp_1): Similarly.
3843 (redirect_exp, invert_exp): Use them.
3844 (redirect_jump_1): New.
3845 (invert_jump_1): New.
3846 (jump_optimize_1): Remove code subsumed by condexec.c.
3847 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
3849 2000-04-26 Richard Henderson <rth@cygnus.com>
3851 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
3853 * genconfig.c (main): Set all HAVE_foo to 1.
3855 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
3857 2000-04-26 Alex Samuel <samuel@codesourcery.com>
3859 * invoke.texi: Document -fssa flag.
3861 2000-04-26 Richard Henderson <rth@cygnus.com>
3863 * flow.c (count_reg_sets_1): Remove.
3864 (count_reg_sets, count_reg_references): Remove.
3865 (recompute_reg_usage): Implement with update_life_info.
3866 Reallocate life data.
3868 2000-04-26 Richard Henderson <rth@cygnus.com>
3870 * flow.c (update_life_info): Consider blocks null to mean the
3872 (calculate_global_regs_live): Likewise.
3873 (life_analysis): Do that instead of collecting all_blocks.
3875 2000-04-26 Richard Henderson <rth@cygnus.com>
3877 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
3878 a still-valid conditional jump.
3880 2000-04-26 Richard Henderson <rth@cygnus.com>
3882 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
3884 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
3885 * flow.c (calculate_loop_depth): Remove.
3886 * output.h (calculate_loop_depth): Don't declare.
3887 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
3888 inline; run estimate_probability at the same time.
3890 2000-04-26 Neil Booth <NeilB@earthling.net>
3892 * cpplib.h: "~=" is not a single pp-token.
3893 * cpplex.c: Correct commentary.
3895 2000-04-26 Richard Henderson <rth@cygnus.com>
3897 * flow.c (mark_set_1): New arguments code and flags; update all
3898 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
3899 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
3900 loop_depth when optimizing for size. Do new_dead update after
3901 emitting REG_UNUSED notes. Merge mark_set_reg code.
3902 (mark_set_reg): Remove.
3903 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
3904 arrange to not emit REG_UNUSED notes.
3906 2000-04-26 Richard Henderson <rth@cygnus.com>
3908 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
3909 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
3911 2000-04-26 Richard Henderson <rth@cygnus.com>
3913 * flow.c (propagate_one_insn): Break out from propagate_block.
3914 (init_propagate_block_info): Likewise.
3915 (free_propagate_block_info): Likewise.
3916 (propagate_block): Use them. Export.
3917 * basic-block.h: Declare them all.
3919 2000-04-26 Richard Henderson <rth@cygnus.com>
3921 * basic-block.h (life_analysis): Declare here ...
3922 * output.h: ... not here.
3923 * flow.c (life_analysis): Remove nregs parameter; replace
3924 remove_dead_code with flags. Remove ssa dead code check.
3925 Only init alias analysis if we'll use it.
3926 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
3927 * ssa.c (convert_to_ssa): Likewise.
3928 (convert_from_ssa): Likewise.
3929 * toplev.c (rest_of_compilation): Likewise.
3931 2000-04-26 Richard Henderson <rth@cygnus.com>
3933 * flow.c (flow_delete_block): Rename from delete_block. Export.
3934 * basic-block.h (flow_delete_block): Declare.
3936 2000-04-26 David S. Miller <davem@redhat.com>
3938 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
3939 taking a PATTERN of it.
3941 2000-04-26 <NeilB@earthling.net>
3943 * cpplex.c (spell_other, spell_char): Remove.
3945 (token_spelling, trigraph_map): Use unsigned chars.
3946 (_cpp_lex_line): Tidy up the switch statement.
3947 * cpplib.h: Implement spell_char with spell_string.
3950 2000-04-26 <RodneyBrown@pmsc.com>
3952 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3953 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3955 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3957 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
3958 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
3959 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
3960 dwarf2out_return_save, dwarf2out_return_reg,
3961 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
3962 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
3963 gen_compile_unit_die, dwarf2out_init): Constify a char*.
3965 * dwarf2out.h (dwarf2out_init): Likewise.
3967 * dwarfout.c (filename_entry, primary_filename, last_filename,
3968 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
3970 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
3971 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
3972 dwarf2out_return_reg): Likewise.
3974 2000-04-26 Andreas Jaeger <aj@suse.de>
3976 * extend.texi (Function Attributes): Fix description of pure
3979 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3981 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
3982 before calling rest_of_compilation.
3984 2000-04-26 Andreas Jaeger <aj@suse.de>
3986 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
3989 2000-04-25 Richard Henderson <rth@cygnus.com>
3991 * cse.c (cse_insn): Emit barrier after unconditional jump.
3993 * calls.c (expand_call): Disable tail call generation once
3994 rtx_equal_function_value_matters is false.
3996 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
3999 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
4001 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
4003 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
4005 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
4006 is the primary DIE for a member function.
4007 (gen_decl_die): Call set_decl_origin_self here.
4008 * dwarfout.c (output_decl): And here.
4009 * integrate.c (output_inline_function): Not here.
4010 Don't clear DECL_INLINE until after calling rest_of_compilation.
4011 (set_decl_origin_self): No longer static.
4012 * tree.h: Add prototype.
4013 * toplev.c (note_deferral_of_defined_inline_function): Only write
4014 out abstract instance for actual inlines.
4016 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
4018 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
4019 EXTENDED_REGS only if TARGET_AM33.
4020 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
4021 SP_REGS to register allocation and reloading unless absolutely
4023 (movsi3): Remove special-case of adding non-constants to SP.
4025 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4027 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
4028 INCLUDES to search and does not provide any of its own. Also it
4029 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
4030 parameters. Also it does not call AC_DEFINE.
4031 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
4032 AC_DEFINE and provides for automatic entries for autoheader.
4033 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
4035 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
4036 so we can pass -I flags and include gansidecl.h/system.h in this
4039 * acconfig.h: Delete all NEED_DECLARATION_* entries.
4041 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4043 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4044 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4045 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
4047 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4048 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4049 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
4050 for these macros. Clean up spacing and linewraps.
4052 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4054 * calls.c (expand_call): Use get_callee_fndecl.
4056 * print-tree.c (print_node): Print the chain of an _EXPR.
4058 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
4059 Jim Wilson <wilson@cygnus.com>
4060 Andrew Haley <aph@cygnus.com>
4062 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
4063 and gp save/restore problems.
4064 * config/ia64/crtend.asm: Add IA-64 unwind support.
4065 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
4066 in fr_pad_size calculation.
4067 (save_restore_insns): Move PR save area. Correct uses of
4068 RTX_FRAME_RELATED_P.
4069 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
4070 (ia64_expand_epilogue): Add eh_epilogue support.
4071 (ia64_function_prologue): Emit .prologue directive.
4072 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
4073 (ia64_override_options): Set init_machine_status and
4074 mark_machine_status.
4075 (rtx_needs_barrier): Handle bsp reads and writes.
4076 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
4077 New static variables.
4078 (process_set, process_for_unwind_directive): New functions.
4079 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
4080 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
4081 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
4083 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
4084 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
4085 (struct machine_function): Define.
4086 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
4088 2000-04-25 Bruce Korb <bkorb@gnu.org>
4090 * fixinc/Makefile.in: make the removal of old programs more
4092 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
4093 install-bin and install-sh
4095 2000-04-25 Nick Clifton <nickc@cygnus.com>
4097 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
4098 defined, define to return zero.
4099 (function_cannot_inline_p): If a function has any target
4100 specific attributes, then use the macro
4101 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
4102 whether it can be inlined. If it cannot, issue a suitable
4105 * tm.texi: Add a new node 'Inlining' to document the new macro
4106 FUNCTION_ATTRIBUTE_INLINABLE_P.
4108 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
4110 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
4113 2000-04-25 Neil Booth <NeilB@earthling.net>
4115 Restore previous patch, plus the following fixes:
4117 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
4118 flags, not CPP_OPEN_PAREN.
4119 * cpplex.c (expand_token_space, init_token_list,
4120 cpp_free_token_list): Put the dummy token at list->tokens[-1].
4121 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
4123 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4125 * config/i386/freebsd.h (INT_ASM_OP): Define.
4127 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
4129 * loop.c (strength_reduce): Fix typo in the last checkin.
4131 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4133 * stor-layout.c (finalize_record_size): Simplify to use existing
4135 (compute_record_mode): No longer static.
4136 * tree.h (compute_record_mode): New declaration.
4138 2000-04-25 Neil Booth <NeilB@earthling.net>
4140 * Revert my patch below until cause of build failures
4143 2000-04-25 Richard Henderson <rth@cygnus.com>
4145 * combine.c (combine_instructions): Add missing argument
4148 * toplev.c (rest_of_compilation): Delay sibcall optimization
4149 until after emit_eh_context.
4151 2000-04-24 Nick Clifton <nickc@redhat.com>
4153 * combine.c (combine_instructions): Do not try to combine a
4154 sequence of insns when the second insn has been replaced by a
4157 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
4159 * gcc.c (load_specs): New static function.
4160 (read_specs): Use it.
4162 * gcc.c (lookup_compiler): Make multiple passes for case
4163 insensitive filesystems.
4165 2000-04-24 Neil Booth <NeilB@earthling.net>
4167 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
4168 * cpphash.h (_cpp_check_directive): new.
4169 * cpplex.c (handle_newline, cpp_free_token_list,
4170 init_trigraph_map, trigraph_ok, trigraph_replace,
4171 backslash_start, skip_block_comment, skip_line_comment,
4172 skip_whitespace, parse_name, parse_number, parse_string,
4173 copy_comment, _cpp_lex_line, spell_char, spell_string,
4174 spell_comment, spell_name, spell_other, _cpp_lex_file,
4175 _cpp_output_list): new.
4176 (expand_name_space): take length argument.
4177 (init_token_list): add comment list initialisation.
4178 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
4179 instead of HSPACE_BEFORE.
4181 * cpplib.c (_cpp_check_directive): new
4182 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
4183 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
4184 (HSPACE_BEFORE): delete.
4185 (TTYPE_TABLE): rearrange.
4186 (struct cpp_toklist): update.
4188 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4190 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
4191 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
4192 argument form of AC_DEFINE.
4194 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
4195 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
4196 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
4197 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
4198 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
4200 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
4202 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4204 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
4205 deduced.h): Use -isystem, not -I, for including system headers.
4207 2000-04-24 Nick Clifton <nickc@cygnus.com>
4209 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
4210 the source register is the frame pointer or arg pointer.
4211 (addsi3_small_int): Disallow if source register is the frame
4212 pointer or arg pointer.
4214 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4216 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
4217 call to AC_MSG_RESULT.
4219 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4221 * invoke.texi: Correct grammatical errors, document
4222 -fno-gnu-keywords as identical to -fno-asm for C++.
4224 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4226 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
4227 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
4228 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
4229 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
4230 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
4232 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
4233 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
4234 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
4235 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
4238 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
4240 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
4241 (pop_alignment): Likewise.
4242 (handle_pragma_token): Likewise.
4244 2000-04-24 Robert Lipe <robertlipe@usa.net>
4246 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
4248 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
4250 * combine.c (try_combine): Update reg_nonzero_bits of
4251 newi2pat before newpat.
4253 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
4255 * loop.c (strength_reduce): Simplify test to INSN_P.
4256 (record_giv): Attempt to simplify the add value, use CONSTANT_P
4257 expressions instead of CONST_INT.
4258 (express_from_1): Likewise.
4260 2000-04-24 Mark Mitchell <mark@codesourcery.com>
4262 * regs.h (reg_n_max): Don't declare.
4263 * flow.c (reg_n_max): Don't define.
4264 * regclass.c (renumber): Don't initialize to zero.
4265 (regno_allocated): Likewise.
4266 (reg_n_max): Define.
4267 (allocate_reg_info): Don't initialize unnecessarily.
4269 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
4271 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
4272 and blockage_p in the newly allocated attribute.
4274 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
4276 * config/mn10300/mn10300.md (addsi): `inc4' on address
4277 registers does not modify cc, but `inc' on an extended
4280 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
4282 * reload.c (find_equiv_reg): Checks all valueno regs
4283 as a reload_reg_p regs.
4285 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4287 * cpphash.c (collect_objlike_expansion): Add sanity check.
4288 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
4289 the buffer is the empty string, return. Mark __DATE__ and
4290 __TIME__ as XCONST nodes, not MCONST.
4291 (_cpp_macroexpand): Avoid pushing an empty buffer.
4292 (funlike_macroexpand): Don't pop token_buffer here.
4294 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
4296 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
4297 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
4298 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
4299 (REGNO_OK_FOR_BASE_P): Define in terms of them.
4300 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
4301 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
4302 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
4304 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4306 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4309 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4311 * cpphash.h (struct definition): Move file, line, col members...
4312 (struct hashnode): ... here. Also add 'disabled' flag.
4313 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4314 T_IDENTITY. Remove T_DISABLED.
4317 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4318 (collect_expansion): Split into collect_objlike_expansion and
4319 collect_funlike_expansion.
4320 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4321 funlike_macroexpand.
4322 (_cpp_compare_defs): Rename compare_defs, make static.
4323 (_cpp_make_hashnode): Initialize hp->disabled.
4324 (macro_cleanup): Adjust for new token types. Clear
4326 (_cpp_create_definition): Move code here to determine what
4327 sort of macro it is, and code to check for redefinitions, from
4328 do_define. Implement a few simple cases without creating a
4330 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4331 Handle the simple cases.
4332 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4335 * cppinit.c (builtin_array): Change MCONST to XCONST
4337 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4338 fix check for disabled and function-like macros.
4339 * cpplib.c (do_define): Move most logic to
4340 _cpp_create_definition.
4341 (do_undef): Handle new special token types.
4343 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4345 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4346 of CONSTANT_P for mult_val; always use validate_change to update insn.
4348 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4350 * cpphash.c (trad_stringify, add_pat): New functions.
4351 (collect_expansion): Restore support for -traditional syntax.
4352 Use trad_stringify and add_pat.
4353 (_cpp_macroexpand): Restore support for -traditional semantics.
4354 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4355 get a COMMENT token.
4356 (_cpp_lex_token): Provide COMMENT tokens to caller if
4357 traditional and parsing_define_directive.
4358 (skip_comment): Warn about // comments if -Wtraditional.
4359 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4361 (do_undef): Don't warn about undefining EMPTY nodes.
4363 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4365 * loop.c (strength_reduce): Fix biv removal code.
4367 2000-04-22 Richard Henderson <rth@cygnus.com>
4369 * predict.c (estimate_probability): Examine both sides of
4370 a branch for no exits. Use 90% not 50% for predict taken.
4371 Reorg for one copy of note generation code.
4373 2000-04-22 Richard Henderson <rth@cygnus.com>
4375 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4377 2000-04-22 Richard Henderson <rth@cygnus.com>
4379 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4380 (output_clear): Likewise.
4381 (output_printf): Use va_copy.
4382 (vline_wrapper_message_with_location): Likewise.
4383 (v_message_with_decl): Likewise.
4384 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4385 * system.h (va_copy): Provide default implementation.
4387 2000-04-22 Richard Henderson <rth@cygnus.com>
4389 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4390 the collected condition is not a constant.
4392 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4394 * diagnostic.h: New file.
4396 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4398 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4399 various function prototypes.
4400 (diagnostic.h): #include.
4401 (struct output_buffer): Move into diagnostic.h.
4402 (get_output_prefix): Rename to output_get_prefix. Export.
4403 (init_output_buffer): Export. Break out. Ajust intialization.
4404 (output_space_left, output_append): Export.
4405 (output_newline): Rename to output_add_newline. Export.
4406 (output_clear): Nullify additional output_buffer fields.
4407 (output_puts): Rename to output_add_string. Export.
4408 (dump_output): Rename to output_flush_on. Export.
4409 (build_location_prefix): Constify return-type.
4410 (emit_output_prefix): Rename to output_emit_prefix. Export.
4411 (set_real_maximum_length): New function.
4412 (output_set_maximum_length): Ditto
4413 (output_clear): Ditto.
4414 (output_add_character): Ditto.
4415 (output_add_integer): Ditto.
4416 (output_add_space): Ditto.
4417 (output_format): Ditto.
4418 (output_printf): Adjust buffer initialization.
4419 (vline_wrapper_message_with_location): Ditto.
4420 (v_message_with_decl): Ditto. Adjust call to output_puts
4421 and get_output_prefix.
4422 (default_print_error_function): Adjust buffer intialization.
4424 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4426 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4429 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4431 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4434 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4436 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4437 accurate data about SP moves.
4439 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4441 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4442 aliases to AM33 registers.
4444 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4446 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4447 to all EXTENDED bitmaps.
4449 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4451 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4452 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4453 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4455 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4457 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4458 the operand is not constant.
4460 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4462 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4463 as a call-clobbered regs.
4465 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4467 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4469 * rtl.def: Update comment.
4470 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4471 * integrate.c (expand_inline_function): Likewise.
4472 * profile.c (branch_prob): Likewise.
4473 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4474 * print-rtl.c (print_rtx): Likewise.
4475 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4476 (reemit_notes): Likewise; also use enum insn_note.
4478 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4479 (place_field): Properly compute know and actual alignment.
4481 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4484 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4487 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4489 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4490 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4491 (collect_expansion): Rewrite to scan over a token list.
4492 Remove -traditional support.
4493 (collect_formal_parameters): Rename to collect_params; rewrite
4494 to scan over a token list.
4495 (_cpp_create_definition): Adjust to scan a token list.
4496 (_cpp_macroexpand): Remove -traditional support.
4497 (_cpp_compare_defs): Whitespace is now canonicalized.
4498 (comp_def_part): Delete function.
4500 * cpphash.h: Update prototypes.
4501 * cpplex.c (init_token_list): Don't set lineno if there is no
4503 (pedantic_whitespace): New function.
4504 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4505 consume a newline. Use pedantic_whitespace.
4506 (_cpp_lex_token): Remove support for -traditional macros.
4507 (_cpp_get_define_token): Delete.
4508 (_cpp_get_directive_token): Do the real work here. Use
4509 pedantic_whitespace.
4510 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4512 * cpplib.c (get_macro_name): Delete.
4513 (do_define): Read the entire line into pfile->directbuf, then
4514 feed the token list to _cpp_create_definition.
4515 * cpplib.h (HSPACE_BEFORE): new define.
4516 (struct cpp_reader): Add a toklist member, "directbuf".
4518 * predict.c (estimate_probability): New heuristic: if a jump
4519 branches around a block with no successors, predict it taken.
4520 Disentangle control flow.
4522 2000-04-20 Richard Henderson <rth@cygnus.com>
4524 * loop.c (emit_iv_add_mult): Revert last change.
4526 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4528 * cpplib.h (enum cpp_ttype): Add token types for all
4529 punctuators. Distinguish pp-numbers from valid C numbers.
4530 Give some tokens better names. Initialize from macro.
4531 (struct cpp_name, cpp_token, cpp_toklist): New data
4534 * cpplex.c (bump_column, expand_name_space,
4535 expand_token_space, init_token_list, cpp_output_list,
4536 _cpp_scan_line): New functions.
4537 (output_line_command): Add third argument, new line number.
4538 * cpphash.h: Update prototypes.
4539 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4542 2000-04-20 Richard Henderson <rth@cygnus.com>
4544 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4546 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4548 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4551 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4553 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4554 REG_EQUAL note explaining the calculated value.
4556 * calls.c (expand_call): Avoid unnecesary precalculation
4557 and outgoing parameters space guarding for sibling calls.
4558 (store_one_arg): Likewise.
4560 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4562 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4563 (rest_of_compilation): Write sibling dump file and account
4564 for time as jump time.
4565 * invoke.texi: Update documentation on dump flags.
4567 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4569 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4571 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4573 * cpphash.c (special_symbol): Represent an empty macro with
4574 "\r \r " not just "\r ".
4575 (_cpp_macroexpand): Correct condition for the foo ( ) special
4577 (unsafe_chars): Handle EOF as second argument.
4578 (push_macro_expansion): Simplify test for removing escape at
4579 end. Do not trim both escapes if there is no text in between.
4581 2000-04-19 Jim Blandy <jimb@redhat.com>
4583 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4584 of PTR_SIZE, when appropriate.
4586 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4588 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4589 (USE_ENUM_BITFIELDS): Fix typo.
4591 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4593 * stor-layout.c (place_field): Set rli->offset_align properly.
4595 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4597 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4598 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4599 PARM_BOUNDARY): Remove unnecessary casts.
4601 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4603 * calls.c (precompute_arguments): Remove must_preallocate and
4605 (expand_call): Update call of precompute_arguments.
4607 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4608 check_insn_for_givs): Break out from ...
4609 (strength_reduce) ... here; use for_every_insn_in_loop to call
4610 check_insn_for_givs.
4611 * loop.h (for_every_insn_in_loop): Declare.
4612 (loop_insn_callback): New type.
4614 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4616 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4619 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4621 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4624 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4626 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4628 * configure.in: Delete --disable-cpplib option and all
4629 references to cpp_main.
4630 * configure: Regenerate.
4631 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4632 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4633 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4634 cpp$(exeext). Add --no-headers to makeinfo command line when
4635 generating INSTALL. Install and uninstall cpp.1 manpage, not
4637 * install.texi: Delete all references to cexp.y/cexp.c.
4638 Delete ancient instructions for compiling GCC on 3b1.
4639 * INSTALL: Regenerate.
4641 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4642 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4643 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4645 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4646 which is no longer tested anywhere.
4648 * cppinit.c (handle_option): Don't run error message through
4651 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4653 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4654 * cpperror.c (hashtab.h): Now include.
4655 * cppexp.c (hashtab.h): Likewise.
4656 * cpplex.c (hashtab.h): Likewise.
4657 * cppfiles.c (hashtab.h): Likewise.
4658 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4659 to htab_find_slot_with_hash.
4660 * cpphash.c (hashtab.h): Now include.
4661 (_cpp_lookup_slot): INSERT is now enum insert_option.
4662 * cpphash.h (_cpp_lookup_slot): Likewise.
4663 * cppinit.c (hashtab.h): Include earlier.
4664 (initialize_builtins): Pass enum to htab_find_slot.
4665 * cpplib.c (hashtab.h): Now include.
4666 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4667 (do_pragma_poison, do_assert): Likewise.
4668 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4669 htab_find_slot_with_hash.
4670 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4671 * tree.c (type_hash_add): Likewise.
4672 (build1): Minor cleanup.
4674 * ggc-common.c: Add missing blanks.
4675 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4676 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4678 * stmt.c (mark_case_node): New function.
4679 (mark_case_nesting): Call it.
4681 * expmed.c (emit_store_flag): If comparing two-word integer
4682 with zero, can optimize NE, EQ, GE, and LT.
4684 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4685 * conflict.c: Minor cleanups.
4686 * optabs.c: Add blank line
4687 * simplify-rtx.c: Minor cleanups.
4689 2000-04-18 Stan Cox <scox@cygnus.com>
4691 * gengenrtl.c (genlegend): Fix misspelling.
4693 2000-04-18 Robert Lipe <robertlipe@usa.net>
4695 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4696 bitfields of the host compiler are not signed quantities.
4697 * config.in: Regenerate.
4698 * configure: Regenerate.
4699 * system.h (USE_ENUM_BITFIELDS): Added.
4700 (ENUM_BITFIELDS): Added.
4701 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4702 (SHORT_ENUM_BUG): Deleted.
4703 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4705 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4706 (CODE_FIELD_BUG): Likewise.
4707 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4709 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4711 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4713 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4716 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4718 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4719 * cpplib.c (do_include, do_import, do_include_next,
4720 read_line_number, detect_if_not_defined): Likewise.
4721 * cpphash.c (collect_expansion): Likewise.
4722 (special_symbol, _cpp_macroexpand): Check return from
4724 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4725 macros. Delete all uses.
4727 * gcc.dg/cpp-mi.c: Add two more test cases.
4728 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4730 2000-04-17 Richard Henderson <rth@cygnus.com>
4732 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4733 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4735 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4737 * function.c (expand_function_start): Use hard_function_value to
4738 compute the RTL to use for DECL_RESULT.
4740 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4742 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4743 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4744 x86_memory_mismatch_stall): New global variables.
4745 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4746 alloved; fix load penalties for Athlon.
4747 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4748 x86_memory_mismatch_stall): Declare.
4749 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4750 TARGET_MEMORY_MISMATCH_STALL): New.
4751 * i386.md (athlon scheduling parameters): Fix latencies according to
4752 Athlon Optimization Manual.
4753 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
4755 (fsqrt instruction patterns): Set athlon_decode to direct.
4756 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
4757 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
4758 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
4759 and TARGET_PARTIAL_REGISTER_STALL machines.
4760 (pushdf_nointeger): New pattern.
4761 (pushdf_integer): Rename from pushdf.
4762 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
4763 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
4765 2000-04-17 Richard Henderson <rth@cygnus.com>
4767 * loop.c (canonicalize_condition): Add WANT_REG argument.
4768 Stop the search if we match it.
4769 * expr.h (canonicalize_condition): Update decl.
4770 * predict.c (expected_value_to_br_prob): Use it. Track last
4771 expected value note.
4772 (find_expected_value): Remove.
4774 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
4776 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4778 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4779 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
4781 * configure.in: Call AC_FUNC_MMAP_FILE.
4782 * configure: Regenerate.
4783 * config.in: Regenerate.
4785 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
4786 * fixinc/fixincl.c: Likewise.
4788 2000-04-17 Richard Henderson <rth@cygnus.com>
4790 * builtins.c (expand_builtin_expect): New.
4791 (expand_builtin): Call it.
4792 * builtins.def (BUILT_IN_EXPECT): New.
4793 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
4794 * extend.texi: Document it.
4796 * predict.c (expected_value_to_br_prob): New.
4797 (find_expected_value): New.
4798 * basic-block.h (expected_value_to_br_prob): Declare.
4799 * toplev.c (rest_of_compilation): Invoke it.
4801 * rtl.h (NOTE_EXPECTED_VALUE): New.
4802 (NOTE_INSN_EXPECTED_VALUE): New.
4803 * rtl.c (note_insn_name): Update.
4804 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
4805 cases; handle NOTE_INSN_EXPECTED_VALUE.
4807 2000-04-17 Jakub Jelinek <jakub@redhat.com>
4809 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
4810 leaf sibcall delay slot if flag_pic.
4811 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
4813 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4815 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
4817 * fixproto: If fix-header fails, exit with an error.
4819 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4821 * cse.c (struct check_depdendence_data): New.
4822 (check_dependence): New function.
4823 (invalidate): Use check_depdenence.
4825 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4827 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
4828 UNITS_PER_WORD is unsigned.
4830 * tree.h (struct tree_common): Remove misleading comment.
4832 2000-04-16 Dave Pitts <dpitts@cozx.com>
4834 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
4835 message in quotes. Otherwise, IBM's make program treats the '#' as the
4836 start of a comment and ignores the remainder of the line.
4838 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
4840 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
4841 * cexp.y (initialize_random_junk): Likewise.
4842 * cppfiles.c (find_include_file): Cast alloca return value.
4843 * cppinit.c (initialize_standard_includes): Likewise.
4844 * cpplib.c (cpp_define, cpp_undef): Likewise.
4845 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
4846 * final.c (output_asm_insn): Allow for holes in EBCDIC.
4847 * fold-const.c (CHARMASK): New.
4848 (real_hex_to_f): Use it.
4849 * real.c (CHARMASK): New.
4850 (etoasc, asctoeg): Use it.
4851 (asctoeg): EBCDIC lower case characters preceed upper case.
4853 * i370.c (mvs_add_label): Change spacing for coding conventions.
4854 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
4855 outputing case vectors.
4856 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
4857 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
4858 since vector in in the data CSECT.
4859 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
4860 * i370.md (Many patterns): Put the length in the XL directives.
4861 (movdi): Put back STM and MVC in definition.
4862 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
4863 pattern using the TCA.
4864 * oe.h (CPP_SPEC): Added to allow trigraphs.
4865 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
4866 not support the "long long" type.
4868 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4870 * config/mips/mips-protos.h (mips_legitimate_address_p): New
4872 (mips_reg_mode_ok_for_base_p): Likewise.
4873 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
4874 (REG_OK_FOR_INDEX_P): Define unconditionally.
4875 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
4876 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
4877 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
4878 that GET_MODE_SIZE is unsigned.
4879 (mips_reg_mode_ok_for_base_p): Define.
4880 (mips_legitimate_address_p): Likewise. Adjust now
4881 that GET_MODE_SIZE is unsigned.
4882 (block_move_loop): Make the number of bytes unsigned.
4883 (expand_block_move): Likewise.
4884 (function_arg): Make the loop counter unsigned to match the
4887 2000-04-16 Richard Henderson <rth@cygnus.com>
4889 * rtl.h (enum insn_note): New enumeration. Subsume
4890 NOTE_INSN_DELETED and friends.
4891 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
4892 * rtl.c (note_insn_name): Tweak string order.
4894 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
4896 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
4899 * cpplex.c (output_line_command): Remove debugging prints.
4900 (cpp_output_tokens): Don't write out a zero-length buffer or
4901 try to see if it has a newline in it.
4902 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
4903 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
4904 the end of the loop. Use memmove. Don't read past the end of
4905 the buffer. Remove trailing newlines from error messages.
4907 2004-04-16 Neil Booth <NeilB@earthling.net>
4909 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
4910 * cpplib.c: Add new syntax flags to directive table, and
4913 2000-04-15 Ulrich Drepper <drepper@redhat.com>
4915 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
4918 2000-04-15 David Edelsohn <edelsohn@gnu.org>
4920 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
4921 * haifa-sched.c: Update -fsched-verbose comments to use "=".
4923 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4925 * Makefile.in (ggc-page.o): Now includes toplev.h.
4926 * ggc-page.c (toplev.h): Now included.
4927 (gc_time): Remove declaration.
4928 (ggc_collect): TIME now long.
4929 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
4931 * toplev.h (gc_time, parse_time, gc_time): New declarations.
4933 * toplev.c: Make *_time variable long to reduce chance of overflow.
4934 (TIMEVAR): Likewise for `otime'.
4935 (print_time): Arg is now long; compute percentage in FP and round.
4936 * toplev.h (print_time): Arg is long.
4938 * tree.c: Minor whitespace changes.
4940 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
4941 * configure: Rebuilt.
4942 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
4943 (__fixunsxfDI): Renamed from __fixunsxfdi.
4944 (__fixunsdfDI): Renamed from __fixunsdfdi.
4945 (__fixunssfDI): Renamed from __fixunssfdi.
4946 (__floatdisf): Use proper type in REP_BIT macro.
4947 (__fixunsxfSI): Renamed from __fixunsxfsi.
4948 (__fixunsdfSI): Renamed from __fixunsdfsi.
4949 (__fixunssfSI): Renamed from __fixunssfsi.
4950 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
4951 Change location of macros and upper-case some names as above.
4952 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
4953 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
4955 * varasm.c (assemble_variable): Add cast to remove warning.
4956 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
4958 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
4959 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
4960 region number to -1.
4962 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
4964 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
4965 call unshare_all_rtl.
4967 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
4969 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
4971 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
4972 Use .s1 not .s0 for all FP instructions.
4974 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
4976 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
4978 (safe_fwrite, output_line_command): New static functions.
4979 (cpp_expand_to_buffer): Now private to cpplib.
4980 (cpp_scan_buffer): Take a printer.
4982 * cpphash.h: Update prototypes.
4983 * cpplib.h: Update prototypes.
4985 (cpp_buffer): Remove last_nominal_fname.
4986 (cpp_reader): Remove lineno.
4988 * cppmain.c: Use a cpp_printer.
4989 * fix-header.c: No need to inhibit line commands. Call
4990 cpp_start_read with no printer.
4992 * cpperror.c (cpp_notice_from_errno): Provide default name.
4993 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
4994 (find_include_file, cpp_read_file): Use make_IHASH.
4995 (file_cleanup): Set control_macro and clear
4996 input_stack_listing_current here.
4997 (_cpp_execute_include): Don't output entering-file marker.
4998 * cpphash.c (special_symbol): Look for the line number in the
4999 buffer, not the reader.
5000 (_cpp_macroexpand): No need to disable line commands.
5001 (_cpp_dump_definition): No need to generate line commands.
5002 (dump_hash_helper): Remove excess newline from output.
5003 * cppinit.c (dump_special_to_buffer): No need to generate line
5005 (cpp_printer_init): New.
5006 (cpp_start_read): Take a printer, and start it up if it's not
5007 NULL. No need to generate line commands.
5008 (cpp_finish): Expect no buffers stacked at all. Take a
5009 printer argument, and flush the output buffer if it's not
5011 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
5012 Don't put two hashes at the beginning of an assertion.
5013 (cpp_get_token): Don't increment pfile->lineno or emit line
5014 commands here. Return EOF if there's no buffer when we get
5016 * cpplib.c (do_define, skip_if_group):
5017 No need to disable line commands.
5018 (_cpp_output_line_command): Delete function.
5019 (do_line): Don't emit line commands here, but set things up so
5020 they will be emitted if necessary. Use _cpp_fake_ihash to
5021 make unique nominal_fnames if necessary.
5022 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
5023 with 0 for column, not -1.
5024 (_cpp_handle_eof): Don't set the control macro here. Don't
5025 clear input_stack_listing_current here. Don't emit line
5028 2000-04-14 Geoff Keating <geoffk@cygnus.com>
5030 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
5031 always, use the default SVR4 start address.
5033 * config/rs6000/linux.h (LINK_SPEC): Don't define.
5034 (LINK_SHLIB_SPEC): Define.
5035 (LINK_START_DEFAULT_SPEC): Define.
5036 (LINK_OS_DEFAULT_SPEC): Define.
5038 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
5040 * config/rs6000/eabi.asm (__eabi): Call __init rather than
5041 __do_global_ctors to handle constructors.
5042 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
5043 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
5044 (STARTFILE_MVME_SPEC): Likewise.
5045 (STARTFILE_SIM_SPEC): Likewise.
5046 (ENDFILE_ADS_SPEC): Use crtend.
5047 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
5048 (ENDFILE_MVME_SPEC): Likewise.
5049 (ENDFILE_SIM_SPEC): Likewise.
5050 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
5051 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
5052 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
5053 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
5054 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
5055 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
5056 (CRTSTUFF_T_CFLAGS_S): Define.
5057 * config/rs6000/eabi-ctors.c: Delete.
5059 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
5062 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
5066 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
5068 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
5069 plus mask size is smaller or equal to the mode size.
5071 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5073 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
5076 * expr.c (reload.h): Now included.
5077 (emit_block_move): Set volatile_ok when checking for movstr.
5078 (emit_move_1): Check for replacements in addresses in multi-word case.
5079 * Makefile.in (expr.o): Now includes reload.h.
5081 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
5082 Never have a LIBCALL end a basic block.
5083 (find_basic_blocks_1): Likewise.
5084 Reorganize CALL_INSN cases.
5086 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
5088 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
5090 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
5091 completers from mov.ret instruction.
5093 2000-04-14 Richard Henderson <rth@cygnus.com>
5095 * fold-const.c (extract_muldiv): Don't distribute and widen
5096 multiply across plus for non-sizetype unsigned types.
5098 2000-04-14 Richard Henderson <rth@cygnus.com>
5100 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
5101 If the original source is dead in the incr insn, it's dead now.
5103 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5105 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
5106 see if DECL_BIT_FIELD needs to still be set.
5108 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
5110 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
5111 print_int_cst_octal with something that's not an INTEGER_CST.
5113 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
5114 and not a SUBREG to a FLOAT rtl.
5116 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
5118 * emit-rtl.c (try_split): Avoid infinite loop if the split
5119 results in a sequence that contains the original insn.
5121 2000-04-13 Andreas Jaeger <aj@suse.de>
5123 * config/mips/mips.c (expand_block_move): Pass alignment
5124 argument to move_by_pieces in bits, not bytes.
5126 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
5127 __pic__ for little endian.
5129 2000-04-13 Andreas Jaeger <aj@suse.de>
5131 * config/i386/i386-protos.h: Add prototype for
5132 uno_comparison_operator.
5134 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5136 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
5137 * calls.c (ECF_PURE): New flag.
5138 (emit_call_1): Handle ECF_PURE calls.
5139 (initialize_argument_information): Unset ECF_PURE flag too.
5140 (precompute_arguments): Precompute for ECF_PURE too.
5141 (expand_call): Handle ECF_PURE calls too.
5142 (emit_library_call_value_1): Rename no_queue argument to fn_type,
5143 accept value of 2 as pure function.
5144 (emit_library_call_value, emit_library_call): Rename no_queue argument
5146 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
5148 * tree.h (DECL_IS_PURE): New macro.
5149 (struct tree_decl): Add pure_flag.
5150 * c-common.c (enum attrs): Add attribute "pure".
5151 (init_attributes): Initialize attribute "pure"
5152 (decl_attributes): Handle attribute "pure".
5153 * extend.texi (Attribute "pure"): Document.
5154 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
5156 (flags_from_decl_or_type): Support attribute "pure".
5158 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
5160 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
5161 the token except for numbers and identifiers.
5163 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
5165 * i386.c (ix86_expand_binary_operator,
5166 ix86_expand_unary_operator): Check no_new_pseudos
5167 instead of reload_in_progress and reload_completed.
5168 (ix86_split_ashldi, ix86_split_ashrdi,
5169 ix86_split_lshrdi): Check no_new_pseudos instead
5170 of reload_completed.
5172 2000-04-12 Jeffrey A Law (law@cygnus.com)
5174 * function.c (purge_addressof): Unshare any shared rtl created by
5175 purge_addressof and its children.
5177 2000-04-12 Mark Mitchell <mark@codesourcery.com>
5179 * function.c (aggregate_value_p): VOID_TYPE nodes are never
5182 2000-04-05 Andreas Jaeger <aj@suse.de>
5184 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
5185 not compiling PIC code, add flags for mabi=64.
5186 (SUBTARGET_CPP_SIZE_SPEC): New.
5187 (SUBTARGET_CPP_SPEC): New.
5188 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
5189 for MIPS/Linux and lots of code needs these defines.
5191 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
5193 * reorg.c (fill_slots_from_thread): Check side_effects_p when
5194 trying the "opposite arithmetic" approach.
5196 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5198 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
5199 (struct sh_args): Add new field force_mem.
5200 (INIT_CUMULATIVE_ARGS): Initialize it.
5201 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
5203 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5205 * calls.c (expand_call): Do not reverse args in "equal from" field.
5206 (emit_library_call_value_1): Emit_libcall_block for const and pure
5209 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5211 * reload1.c (reload_combine): Don't enable optimization for fixed
5212 registers when encountering a BARRIER.
5214 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
5216 * builtins.c (expand_builtin_memcmp): Do expansion even with
5217 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
5219 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
5220 stack is propertly aligned; add sanity checking for aligned
5222 (expand_library_call_value_1): Add sanity checking for aligned
5225 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
5227 * calls.c (emit_library_call_value_1): Change 3rd arg to
5228 locate_and_pad_parm to disregard the setting of partial.
5230 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5232 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
5234 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
5235 CALL_INSN from the normal case.
5237 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
5239 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5240 New global variables.
5241 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
5243 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5245 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
5246 TARGET_ADD_ESP_8): New macros.
5247 * i386.md: Add peep2s to convert esp adjustments to push and pop
5249 (pushsi_prologue, popsi_epilogue): New patterns.
5251 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5253 * real.c (toe64): Remove stale #endif from the last change.
5255 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
5257 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
5258 * real.c (toe64): Revert previous change.
5260 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5262 * objc/objc-act.c: Include ggc.h.
5263 (objc_tree_index, objc_global_trees): Convert most of the
5264 static tree variables into a static array with previous names
5266 (objc_ellipsis_node): New variable.
5267 (lang_init): Call objc_act_parse_init and c_parse_init.
5268 Create objc_ellipsis_node.
5269 (build_selector_translation_table): Use objc_ellipsis_node instead
5271 (hack_method_prototype): Likewise.
5272 (get_arg_type_list): Likewise.
5273 (start_method_def): Likewise.
5274 (continue_method_def): Likewise.
5275 (gen_method_decl): Likewise.
5276 (ggc_mark_imp_list): New function.
5277 (ggc_mark_hash_table): New function.
5278 (objc_act_parse_init): New function.
5279 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
5280 * c-parse.in (c_parse_init): For objc add roots of objc specific
5281 local tree variables.
5282 * objc/objc-parse.y: Rebuilt.
5283 * objc/objc-parse.c: Rebuilt.
5284 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
5286 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
5288 * cse.c (delete_trivially_dead_insns): Also delete insns
5289 that copy a register to itself where the destination is
5292 2000-04-11 Richard Henderson <rth@cygnus.com>
5294 * flow.c (struct propagate_block_info): Add new_dead, new_live.
5295 (propagate_block): Initialize them. Use them in parallel instead
5296 of one tmp variable, ie revert much of the 0408 and 0407 functional
5297 changes, but keep the structural changes.
5298 (mark_set_regs): Take new_dead from propagate_block_info instead.
5299 (mark_set_1, mark_set_reg): Likewise.
5300 (mark_used_regs): Likewise with new_live.
5301 (mark_used_reg): Likewise. Revert 0408 change.
5303 2000-04-11 Nick Clifton <nickc@cygnus.com>
5305 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
5307 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5309 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5311 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5312 const section to output a CONSTRUCTOR based on the same conditions
5315 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5317 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5318 * pa/pa-protos.h (output_call): Add additional argument indicating
5319 if the call is a sibling/tail call.
5320 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5321 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5322 (function_arg, function_arg_partial_nregs): Likewise
5323 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5324 (emit_move_sequence): Zero extend certain constants as needed
5326 (compute_zdepdi_operands, output_64bit_and): New functions.
5327 (output_64bit_ior, function_arg): Likewise.
5328 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5329 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5330 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5331 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5332 (output_bvb): Likewise.
5333 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5334 (output_call): New argument 'sibcall'. Generate sibcall sequences
5336 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5337 (ouput_arg_descriptor): Do not emit argument descriptors for
5339 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5341 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5342 (FUNCTION_OK_FOR_SIBALL): Define.
5343 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5344 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5345 (CPP_SPEC): Use new spec infrastructure.
5346 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5347 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5348 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5349 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5350 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5351 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5352 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5353 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5354 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5355 (FUNCTION_ARG); Call out to C code.
5356 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5357 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5358 (MIN_UNITS_PER_WORD): Likewise.
5359 * pa/pa.md (cmpdi): New expander.
5360 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5361 (64bit conditional arithmetic): New patterns.
5362 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5363 (movsicc): Not available if modes on all the operands to not match.
5364 (movdicc): New expander and associated patterns.
5365 (64bit branches): New patterns.
5366 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5367 (pre_ldd, post_std): New patterns.
5368 (64bit addil, load low part): New patterns.
5369 (special movsf constant): Not available for TARGET_64BIT.
5370 (movsf, movdf expanders): Force constants into memory.
5371 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5372 (64bit movdf/movdi patterns): New patterns.
5373 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5375 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5376 (adddi3 expander): Allow "arith_operand" for second input.
5377 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5378 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5379 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5380 (muldi3): New expander for TARGET_64BIT.
5381 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5383 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5384 patterns for TARGET_64BIT.
5385 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5386 patterns for TARGET_64BIT.
5387 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5388 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5389 (sibcall_epilogue): New expander.
5390 (casesi): Tweak for TARGET_64BIT.
5391 (call expanders): Set & use the outgoing argument pointer. Use the
5392 64bit call patterns as needed. Add additional arg to output_call.
5393 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5394 (sibcall, sibcall_internal_symref): New expanders.
5395 (sibcall_value, sibcall_value_internal_symref
5396 (interspace_jump): Turn into an expander + matching patterns.
5397 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5398 * pa/pa64-regs.h: Eliminate trigraph sequences.
5399 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5401 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5403 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5404 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5405 cpp_token with cpp_ttype everywhere.
5406 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5407 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5408 CPP_BUF_COL. Line and column numbers are unsigned int, not
5410 * cpplex.c (cpp_buf_line_and_col): Delete.
5411 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5412 'long lineno' to 'unsigned int lineno'.
5413 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5415 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5417 * extend.texi: ISO C99 is not a draft anymore.
5418 * invoke.texi: ISO C++ is not a draft anymore.
5419 * cpp.texi: __cplusplus is required by the ISO standard.
5421 * extend.texi (-fthis-is-variable): Undocument.
5422 * flags.h (warn_template_debugging): Remove declaration.
5423 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5424 -Wenum-clash, -Wtemplate-debugging): Undocument.
5426 2000-04-10 Nick Clifton <nickc@cygnus.com>
5428 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5430 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5432 (ARM_SIGN_EXTEND): Use HOST_UINT.
5433 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5434 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5435 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5436 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5438 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5439 (arm_gen_constant): Use HOST_UINT.
5440 (arm_canonicalize_constant): Use HOST_UINT.
5441 (arm_reload_in_hi): Use HOST_UINT.
5442 (arm_reload_out_hi): Use HOST_UINT.
5443 (output_multi_immediate): Use HOST_UINT.
5444 (int_log2): Use HOST_UINT.
5445 (arm_poke_function_name): Use HOST_UINT.
5446 (arm_output_epilogue): Use arm_volatile_func().
5447 (output_thumb_prologue): Use arm_strip_name_encoding().
5449 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5451 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5452 of sequence point problems.
5454 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5456 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5458 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5460 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5462 * sbitmap.h: Whitespace changes and use upper-case macro args.
5463 (struct simple_bitmap_def): All sizes now unsigned.
5464 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5465 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5466 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5467 (sbitmap_zero): Cast bzero arg to PTR.
5468 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5469 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5470 loop to make structure clearer.
5471 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5472 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5473 (sbitmap_a_and_b_or_c): Likewise.
5474 (sbitmap_intersection_of_succs): Minor cleanups.
5475 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5476 (sbitmap_union_of_preds): Likewise.
5477 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5478 (debug_sbitmap): New function.
5480 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5481 * c-typeck.c (convert_for_assignment): Likewise.
5483 * expmed.c (init_expmed): Don't free objects we make.
5484 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5486 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5487 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5489 * gcse.c (expr_hash_table_size): Now unsigned.
5490 (compute_ae_gen): Local variable `i' now unsigned.
5491 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5492 (compute_transout, hoist_code): Likewise.
5493 (compute_local_properties): Likewise, also hash_table_size.
5494 (alloc_expr_hash_table): N_INSNS now unsigned.
5495 (delete_null_pointer_checks): Mark arg F as unused.
5497 * regrename.c: Minor cleanups, including chang some variables
5500 2000-04-10 Neil Booth <NeilB@earthling.net>
5502 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5504 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5506 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5508 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5509 __classof__, and __headof__ from the list of gnu keywords.
5510 (-ansi): Remove -foperator-names from list of implied options.
5511 Do not call it ANSI C++.
5512 (-foperator-names): Document as -fno-operator-names.
5514 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5516 * cpphash.c (timestamp): Delete.
5517 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5518 (special_symbol): Remove unnecessary braces. Remove
5519 T_VERSION. Treat T_STDC like T_CONST unless
5520 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5521 when one is encountered, then convert them into T_MCONST
5523 * cppinit.c (builtin_array): version_string is T_MCONST.
5524 __STDC__ has a "1" in its cpval. Don't have a terminator
5525 entry. Clean up which entries are dumped.
5526 (initialize_builtins): Only __STDC__ gets the special
5527 -traditional treatment. Count the length of builtin_array.
5528 Render version_string here.
5529 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5530 * cpplib.h (struct cpp_reader): Remove timebuf.
5532 2000-04-09 Richard Henderson <rth@cygnus.com>
5534 * genrecog.c (pred): Update comparison_operator for the unordered
5537 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5539 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5540 (uno_comparison_operator): New.
5541 (put_condition_code): Handle UNORDERED/ORDERED.
5542 (unsigned_comparison): Likewise.
5543 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5544 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5545 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5546 update all callers. Handle all 8 unordered operators.
5547 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5548 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5549 * config/i386/i386.h (PREDICATE_CODES): Update.
5550 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5551 (ix86_expand_branch, ix86_expand_setcc): Update.
5552 * config/i386/i386.md (sunordered, sordered): New.
5553 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5554 (bunordered, bordered): New.
5555 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5556 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5557 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5559 2000-04-09 Philip Blundell <philb@gnu.org>
5561 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5563 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5565 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5566 fix_truncxfhi2): New patterns.
5567 * i386.c (output_fix_trunc): Handle converting to HImode.
5569 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5571 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5573 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5574 (for_each_successor_phi): Change parameter to basic_block.
5575 (coalesce_regs_in_successor_phi_nodes): Likewise.
5576 (coalesce_regs_in_copies): Likewise.
5577 (compute_coalesced_reg_partition): Use basic_block instead of index.
5578 * rtl.h (convert_to_ssa): Delete.
5579 (convert_from_ssa): Likewise.
5580 (successor_phi_fn): Likewise.
5581 (for_each_successor_phi): Likewise.
5582 (in_ssa_form): Likewise.
5583 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5584 (convert_from_ssa): Likewise.
5585 (successor_phi_fn): Likewise.
5586 (in_ssa_form): Likewise.
5587 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5588 * flow.c (calculate_global_regs_live): Pass a basic_block to
5589 for_each_successor_phi.
5591 2000-04-08 Richard Henderson <rth@cygnus.com>
5593 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5594 was modified in the current insn.
5596 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5598 * arm/thumb.md: Delete.
5599 * arm/thumb-protos.h: Delete.
5601 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5603 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5605 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5607 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5610 * arm.md (nop): Use the standard RTL expression. Don't code as a
5612 (*arm_nop, *thumb_nop): Delete.
5614 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5615 constants. Use casts instead.
5616 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5617 output_multi_immediate, arm_poke_function_name): Likewise.
5618 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5619 MASK_RETURN_ADDDR): Likewise.
5621 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5623 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5626 * arm.md (eh_epilogue): New function.
5627 * arm.h (struct machine_function): Move to here ...
5628 * arm.c: ... from here.
5629 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5630 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5631 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5633 2000-03-30 Nick Clifton <nickc@cygnus.com>
5635 * config/arm/semi.h (ASM_SPEC): Restore definition.
5636 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5638 * config/arm/elf.h (ASM_SPEC): Restore definition.
5639 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5641 * config/arm/arm.h (ASM_SPEC): Remove definition.
5642 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5644 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5646 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5648 2000-03-24 Nick Clifton <nickc@cygnus.com>
5650 Various formating tidyups, elimination of compile time
5651 warnings and synchronisation with internal sources:
5653 * config/arm/arm-protos.h (assemble_align): Add prototype.
5654 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5655 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5656 (arm_return_addr_rtx): Rename to arm_return_addr.
5658 * config/arm/arm.c: Include except.h.
5659 Define shorter typenames for strict minipool_node and struct
5661 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5663 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5664 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5666 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5668 (ASM_SPEC): Define if not already defined.
5669 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5671 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5672 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5673 arm_gen_compare_reg.
5674 (indirect_jump): Only accept register operands.
5675 (load_indirect_jump): Keep this pattern since combine can generate
5678 * config/arm/coff.h: Include aout.h.
5679 (MULTILIB_DEFAULTS): Only define if not already defined.
5681 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5682 into arm.h (so that COFF ports can support thumb based aliases).
5683 (ASM_SPEC): Move definition into arm.h
5685 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5686 redundant apcs spec.
5687 (ASM_SPEC): Move definition to arm.h
5689 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5691 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5692 for entries in the .bss section
5694 2000-03-23 Nick Clifton <nickc@cygnus.com>
5696 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5697 to thumb_far_jump_used_p.
5699 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5700 single integer parameter.
5702 * config/arm/arm.c (struct machine_function): Add two new
5703 fields, 'far_jump_used' and 'arg_pointer_live'.
5704 (thumb_far_jump_used_p): Once the decision has been made that
5705 far jumps might be used, always return true.
5706 If being called from the initial elimination offset macro then
5707 do not bother to perform the test if the arg pointer is not
5709 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5710 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5712 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5714 * arm.c (output_return_instruction): Handle more cases where we can
5715 return from a function with an ldr instruction.
5716 (arm_output_epilogue): Likewise.
5718 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5719 if we need to push a large stack frame and there are no callee-saved
5722 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5723 in ARM code if the frame pointer has been eliminated.
5725 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5726 unspec_volatile arguments to avoid duplicates.
5727 (consttable_1, consttable_2): Fixes for big-endian mode.
5729 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5732 Re-write constant pool code.
5733 * arm.c (minipool_node, minipool_fix): New types.
5734 (minifix): Delete type.
5735 (arm_add_minipool_constant): Delete.
5736 (arm_compute_minipool_offsets, arm_find_barrier,
5737 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5738 (get_jump_table_size): Now returns HOST_WIDE_INT.
5739 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5741 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5742 (assign_minipool_offsets, arm_print_value): Likewise.
5743 (dump_minipool): Rewrite.
5744 (arm_barrier_cost): New function.
5745 (create_fix_barrier): New function.
5746 (push_minipool_barrier): New function.
5747 (push_minipool_fix): Record additional information about the fixup
5749 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5750 check the mode of what needs fixing.
5751 (arm_reorg): Rewrite.
5753 2000-03-08 Nick Clifton <nickc@cygnus.com>
5755 * config/arm/arm.md (indirect_jump): Force constant addresses into
5758 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
5760 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
5762 2000-02-24 Nick Clifton <nickc@cygnus.com>
5764 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
5765 adjust is word aligned.
5766 (thumb_expand_epilogue): Make sure that stack adjust is word
5769 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
5771 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
5773 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
5774 pointer relative addresses.
5776 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
5778 * arm.c (find_barrier): Find the last barrier within the allowed
5781 2000-02-09 Nick Clifton <nickc@cygnus.com>
5783 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
5785 2000-02-09 Nick Clifton <nickc@cygnus.com>
5787 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
5788 ARM_FUNCTION_PROFILER.
5790 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
5791 ARM_FUNCTION_PROFILER.
5793 * config/arm/linux-oldld.h: Imported from mainline sources.
5795 2000-02-07 Nick Clifton <nickc@cygnus.com>
5797 * config/arm/lib1funcs.asm: Merge in thumb functions from
5800 * config/arm/lib1thumb.asm: Delete.
5802 2000-02-04 Nick Clifton <nickc@cygnus.com>
5804 * config/arm/arm.c: Sychronised with current Red hat local
5806 * config/arm/arm.h: Ditto.
5807 * config/arm/arm-protos.h: Ditto.
5809 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
5811 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
5813 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
5816 2000-02-02 Nick Clifton <nickc@cygnus.com>
5818 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
5820 * config/arm/arm.md (epilogue): Fix rtl checking abort because
5821 (return) was emited using an emit_insn() call.
5823 2000-01-31 Nick Clifton <nickc@cygnus.com>
5825 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
5827 (thumb_exit): Move frame pointer back into hard frame pointer
5828 register if backtracing is being used.
5830 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
5832 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
5835 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
5837 * config/arm/arm.md (neg_pool_offset): Provide default for new
5839 (arm_movsi_insn): Add neg_pool_offset attribute.
5840 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
5841 rtx for the insn that starts the scan and an unsigned long for its
5842 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
5843 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
5844 instructions in *PINSERTED.
5845 (struct minipool_fixup): Add MIN_ADDRESS elt.
5846 (sort_fixups): Compute it.
5847 (arm_reorg): Changes to support inserting pools before the insn to be
5850 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5852 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
5853 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
5854 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
5856 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
5858 * config/arm/semi.h (TARGET_VERSION): Do not define if already
5860 (TARGET_DEFAULT): Do not define if already defined.
5862 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
5864 * config/arm/arm.md (anddi3): Allow disjoint source operands.
5865 (iordi3): Allow disjoint source operands.
5866 (xordi3): Allow disjoint source operands.
5867 (negdi2): Permit construction for ARM and Thumb.
5868 (arm_negdi2): Renamed version of old negdi2 pattern.
5869 (thumb_negdi2): New pattern: Only permit non-overlapping
5870 source and destination.
5872 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
5874 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
5875 scratch low register so that it will not be deleted.
5877 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
5879 * config/arm/pe.h (ARM_PE): Define.
5881 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
5882 interfacearm attribute if this is a PE toolchain.
5883 (output_return_instruction): Do not emit anything if the function
5884 has the naked attribute set.
5885 (is_called_in_ARM_mode): If the function has the interfacearm
5886 attribute then return true.
5887 (thumb_expand_prologue): Do not generate a prologue for naked
5889 (thumb_expand_epilogue): Do not generate an epilogie for a naked
5891 (output_thumb_prologue): Do not bother if the function is naked.
5892 Strip PE encoding from function name before emitting.
5894 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
5896 * arm.md (pic_load_addr): Fix constraints.
5898 * arm.md (casesi_insn): Fix mis-applied patch.
5900 * arm.md ("core" function unit): Add rules for single- and
5902 (All TARGET_THUMB patterns): Add "type" attribute information
5904 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
5905 the following insn is a CALL.
5907 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
5909 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
5910 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
5911 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
5913 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
5915 * config/arm/linux-gas.h: oops - this file was missed out when the
5916 branch was created...
5918 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
5920 * thumb.c: Deleted. Move contents to ...
5922 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
5924 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
5927 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
5928 declare a prototype for asm_output_align();
5930 * arm.c (thumb_condition_code): Delete.
5931 (arm_print_operand): Always use arm_condition_code array.
5933 * arm.c (thumb_return_addr_rtx): Delete.
5934 (arm_save_machine_status, arm_restore_machine_status): Delete.
5935 (arm_init_machine_status, arm_mark_machine_status): New functions.
5936 (arm_init_expanders): Update accordingly.
5937 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
5938 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
5939 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
5941 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
5943 * configure.in : Fix arm-*-aout target to use new t-arm-aout
5945 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
5948 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
5950 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
5951 stack backtrace structure.
5953 * config/arm/arm-protos.h: Add prototypes for functions defined in
5956 * config/arm/arm.c (arm_override_options): Fix selection of
5957 attributes of default processor.
5959 * config/arm/coff.h: Delete needless #include.
5961 * config/arm/pe.c: Delete unused code.
5963 * config/arm/pe.h (CPP_DEFINES): Delete
5964 (SUBTARGET_CPP_SPEC): Define.
5965 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
5967 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
5969 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
5971 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
5973 (CAN_DEBUG_WITHOUT_FP): Define.
5974 (FIXED_REGISTERS): Make r11 call-saved.
5975 (CALL_USED_REGISTERS): Likewise.
5976 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
5977 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
5978 frame-pointer is required.
5979 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
5980 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
5981 if the target normally needs a stack frame in non-leaf functions.
5982 (use_return_insn): Correct logic for determining when a return
5983 instruction can be used.
5984 (output_return_instruction): Handle the frame-pointer register as
5985 a normal register when not TARGET_APCS_FRAME.
5986 (arm_output_prologue): Likewise.
5987 (arm_output_epilogue): Likewise.
5988 (output_func_epilogue): Likewise.
5989 (arm_expand_prologue): Likewise.
5990 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
5992 * arm.c (use_return_insn): No need to check floating point regs if
5994 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
5995 the code of value stored in the minipool array.
5996 (arm_add_minipool_constant): Likewise.
5998 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6000 * basic-block.h (conflict_graph_enum_fn): K&R fix.
6002 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6004 * tree.c (tree_expr_nonnegative_p): New function.
6006 * tree.h (tree_expr_nonnegative_p): Declare.
6008 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
6009 elide some sign_compare warnings.
6010 (build_conditional_expr): Likewise.
6012 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
6014 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
6016 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
6017 * i386.c (print_operand): Use the proper suffix for a 387 HImode
6018 operand. Abort if a 387 operand has an unsupported size.
6020 2000-04-08 Neil Booth <NeilB@earthling.net>
6022 * cppexp.c (parse_charconst): Null does not end character
6024 * cppinit.c (ISTABLE): Null character handled as whitespace.
6025 * cpplex.c (null_warning): new function.
6026 (skip_string): Emit warning if nulls encountered.
6027 (_cpp_skip_hspace): Emit warning if nulls encountered.
6028 (_cpp_lex_token): Emit warning if nulls encountered. Drop
6032 2000-04-07 Richard Henderson <rth@cygnus.com>
6034 * flow.c (loop_depth): Remove.
6035 (reg_next_use, cc0_live, mem_set_list): Replace with ...
6036 (struct propagate_block_info): New.
6037 (life_analysis): Don't allocate reg_next_use.
6038 (propagate_block_delete_insn): Break out of propagate_block.
6039 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
6040 (propagate_block_delete_libcall): Likewise.
6041 (propagate_block): Create a propagate_block_info struct to pass
6042 to subroutines. Allocate one not two temporary regsets. Don't
6043 clobber memory for const calls. Look for clobbers in
6044 CALL_INSN_FUNCTION_USAGE.
6045 (mark_set_regs): Recognize COND_EXEC.
6046 (mark_set_reg): Break out of mark_set_1.
6047 (mark_used_reg): Break out of mark_used_regs.
6048 (mark_used_regs): Recognize COND_EXEC.
6049 (insn_dead_p): Use propagate_block_info struct.
6050 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
6051 (find_auto_inc, try_pre_increment_1): Likewise.
6052 (print_rtl_with_bb): Dump regs live at end too.
6053 (count_reg_sets_1): Pass in loop_depth.
6054 (count_reg_sets, count_reg_references): Likewise.
6055 (recompute_reg_usage): Provide it.
6057 2000-04-07 Richard Henderson <rth@cygnus.com>
6059 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
6062 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
6064 * cpplib.c (do_elif): Skip the rest of the line if we're
6065 not going to bother evaluating it.
6066 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
6067 to avoid pointless calls to the lexer.
6069 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
6071 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
6073 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
6075 * calls.c (expand_call): emit_queue if we're trying a sibcall.
6077 2000-04-07 Jakub Jelinek <jakub@redhat.com>
6079 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
6081 2000-04-06 Geoff Keating <geoffk@cygnus.com>
6083 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
6084 crtend so they can be multilibbed.
6085 (STAGESTUFF): Remove s-crt and s-crtS.
6087 2000-04-07 Richard Henderson <rth@cygnus.com>
6089 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
6090 if we discover we need a pseudo and no_new_pseudos is true.
6091 * config/alpha/alpha.md (ne:DI insn): New.
6092 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
6094 2000-04-07 Richard Henderson <rth@cygnus.com>
6096 * rtl.def (COND_EXEC): New.
6097 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
6098 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
6100 * genconfig.c (have_cond_arith_flag): Remove.
6101 (have_cond_exec_flag): New.
6102 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
6103 (main): Print HAVE_conditional_execution.
6105 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
6106 (sched_analyze_insn, print_pattern): Likewise.
6107 * reload.c (find_equiv_reg): Likewise.
6108 * rtlanal.c (reg_referenced_p): Likewise.
6109 (note_stores, dead_or_set_regno_p): Likewise.
6110 (reg_overlap_mentioned_p): Rewrite to use a switch.
6112 * ggc.h (struct rtx_def): Forward declare.
6114 * print-rtl.c (debug_rtx_range): New.
6115 * rtl.h (debug_rtx_range): Declare.
6117 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
6119 * gcse.c (gcse_main): Don't rebuild the CFG here.
6120 (delete_null_pointer_checks): Likewise.
6121 * ssa.c (convert_to_ssa): Likewise.
6122 * toplev.c (rest_of_compilation): Do it here instead. Combine
6123 sequential calls to TIMEVAR. Consistently use `insns' instead of
6124 `get_insns()'. Always split insns after reload when optimizing.
6126 * basic-block.h (merge_blocks_nomove): Declare.
6127 (tidy_fallthru_edge): Declare.
6128 * flow.c (merge_blocks_nomove): Document as merging into previous
6129 blocks. Remove cruft from between blocks; remove all edges out of A.
6130 (tidy_fallthru_edge): Export.
6132 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6134 * ssa.c (compute_conservative_reg_partition): Declare with
6136 * toplev.c (clean_dump_file): Remove previously-deleted function
6137 inadvertantly merged back in.
6138 * conflict.c (conflict_graph_add): Use a single call to
6139 htab_find_slot to look up and insert.
6141 2000-04-06 Richard Henderson <rth@cygnus.com>
6143 * genrecog.c (*): Rename _last_insn to last_insn.
6144 (make_insn_sequence): Set the position of the peephole2 C test
6145 to be at the last insn.
6147 2000-04-06 Richard Henderson <rth@cygnus.com>
6149 * flow.c (compute_flow_dominators): Free worklist.
6151 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
6153 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
6155 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6157 * rtl.h (INSN_P): New macro.
6158 (successor_phi_fn): New typedef.
6159 (for_each_successor_phi): New prototype.
6160 (in_ssa_form): New variable.
6161 (PHI_NODE_P): Likewise.
6162 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
6163 phi nodes in successors.
6164 (mark_used_regs): Add PHI case.
6165 (set_phi_alternative_reg): New function.
6166 (life_analysis): Assert that dead code elimination is not selected
6168 * toplev.c (to_ssa_time): New variable.
6169 (from_ssa_time): Likewise.
6170 (compile_file): Zero to_ssa_time and from_ssa_time.
6171 Print time to convert to and from SSA.
6172 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
6173 (print_time): Compute percent fraction as integer.
6174 * ssa.c (PHI_NODE_P): Moved to rtl.h.
6175 (convert_to_ssa): Check if we're already in SSA.
6176 Don't eliminate dead code in life_analysis.
6177 Rerun flow and life analysis at bottom.
6178 (eliminate_phi): Use canonical regnos when adding nodes.
6179 (mark_reg_in_phi): New function.
6180 (mark_phi_and_copy_regs): Likewise.
6181 (convert_from_ssa): Rerun life analysis at top.
6182 Use coalesced partition.
6183 Check for removing a phi node at the end of the block.
6184 (compute_coalesced_reg_partition): New function.
6185 (coalesce_regs_in_copies): Likewise.
6186 (coalesce_reg_in_phi): Likewise.
6187 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
6188 (for_each_successor_phi): Likewise.
6189 (rename_context): New struct.
6190 (rename_block): Use a rename_context with rename_insn_1. When
6191 renaming sets of a subreg, emit a copy of the entire reg first.
6192 (rename_insn_1): Treat data as a rename_context *. Save current
6194 (rename_set_data): Add field set_insn.
6195 * Makefile.in (HASHTAB_H): Move up in file.
6196 (OBSTACK_H): New macro.
6197 (collect2.o): Use OBSTACK_H in dependencies.
6198 (sdbout.o): Likewise.
6199 (emit-rtl.o): Likewise.
6200 (simplify-rtx.o): Likewise.
6201 (fix-header.o): Likewise.
6202 (OBJS): Add conflict.o.
6203 (conflict.o): New rule.
6204 * basic-block.h: Include partition.h.
6205 (conflict_graph): New typedef.
6206 (conflict_graph_enum_fn): Likewise.
6207 (conflict_graph_new): New prototype.
6208 (conflict_graph_delete): Likewise.
6209 (conflict_graph_add): Likewise.
6210 (conflict_graph_conflict_p): Likewise.
6211 (conflict_graph_enum): Likewise.
6212 (conflict_graph_merge_regs): Likewise.
6213 (conflict_graph_print): Likewise.
6214 (conflict_graph_compute): Likewise.
6215 * conflict.c: New file.
6217 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
6219 * tlink.c (read_repo_files): Don't look for .rpo info for
6222 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6224 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
6226 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6228 * config/sh/lib1funcs.asm (___udivsi3_i4):
6229 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
6230 only depends on FMOVD_WORKS.
6232 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6234 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
6235 make double constant 8-byte aligned.
6237 2000-04-06 Jakub Jelinek <jakub@redhat.com>
6239 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
6240 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
6241 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
6242 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
6243 Accept storing GENERAL_REGS into offsetable memory.
6244 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
6245 building a TFmode constant other than 0.0L into GENERAL_REGS.
6247 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
6249 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
6251 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
6253 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
6254 (macro_cleanup): No need to cast pbuf->macro.
6255 (collect_expansion): Use _cpp_get_define_token. Goto done if
6256 it returns VSPACE. Remove check for trailing space after
6258 (_cpp_create_definition): Don't diddle flags here. Return
6260 (unsafe_chars): Handle c1 being EOF.
6261 (push_macro_expansion): Use unsafe_chars for both accidental-paste
6262 checks. Don't push the buffer till after we're done with
6264 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
6265 (PEEKN, FORWARD, GETC, PEEKC): Use them.
6266 (cpp_push_buffer): Don't set new->alimit. Set new->mark
6268 (_cpp_parse_assertion): Don't NUL terminate.
6269 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
6270 hspace before calling _cpp_parse_assertion. Remove all sets
6271 of only_seen_white. Treat '\f' as hspace. Don't do anything
6272 special with '\n' here.
6273 (maybe_macroexpand): Handle T_EMPTY hash entries without
6274 pushing a buffer at all.
6275 (cpp_get_token): Handle clearing only_seen_white here. Handle
6276 incrementing the line number here. Clear
6277 potential_control_macro as well as only_seen_white, if
6279 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
6280 (_cpp_get_define_token): New function, basically like
6281 _cpp_get_directive_token was but doesn't eat horizontal space.
6282 Don't do anything with only_seen_white here.
6283 (_cpp_get_directive_token): Just call _cpp_get_define_token
6284 repeatedly till it returns non-hspace.
6286 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
6287 (conditional_skip, skip_if_group): Return int.
6288 (DIRECTIVE_TABLE): Change origin of all conditional directives
6290 (TRAD_DIRECT_P): New macro.
6291 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
6292 an error for a bogus directive, unless -lang-asm. Use
6293 TRAD_DIRECT_P. Loop calling handler functions till one returns
6295 (get_macro_name): Don't diddle flags here.
6296 (do_define): Diddle flags here. Use _cpp_get_directive_token.
6297 Create T_EMPTY nodes for #define macro /* nothing */.
6298 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
6299 Use hp->name when calling pass_thru_directive.
6300 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
6301 Return the result of conditional_skip and/or skip_if_group.
6302 Don't call _cpp_output_line_command.
6303 (consider_directive_while_skipping): Use _cpp_get_directive_token.
6304 Issue -Wtraditional warnings as appropriate. Don't complain
6305 about unrecognized directives. If we are to stop skipping,
6306 return the number of the directive that ended the skip.
6307 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6308 expansion and line commands while skipping. Return the result
6309 of consider_directive_while_skipping, if nonzero.
6310 (do_endif): Just set potential_control_macro here.
6311 (validate_else): Use _cpp_get_directive_token.
6312 (do_assert, do_unassert): Don't save pointers into the
6313 token_buffer across calls to the lexer. Use
6314 _cpp_get_directive_token.
6316 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6317 pointer, not an offset. Replace 'data', which was a generic
6318 pointer, with 'macro', which points to a struct hashnode.
6319 (cpp_reader): Add 'potential_control_macro' pointer.
6320 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6321 (CPP_BUF_GET, CPP_FORWARD): Delete.
6322 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6323 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6324 ACTIVE_MARK_P): Update.
6325 (_cpp_get_define_token): New internal function.
6326 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6328 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6330 * configure.in: And here.
6331 * configure: Regenerate.
6332 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6333 --enable-libstdcxx-v3 is passed at configure time.
6334 * config.h.in: Regenerate.
6336 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6338 * final.c (final): Use xcalloc to allocate line_note_exists.
6339 * function.c (free_after_compilation): Free the temp_slots.
6340 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6341 (combine_temp_slot): Free temp_slots when they get combined.
6342 (purge_addressof): Fix typo in comment.
6343 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6344 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6346 * ggc.h: Include varray.h.
6347 (ggc_pending_trees): Declare.
6348 (ggc_mark_tree_children): Remove declaration.
6349 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6350 * ggc-common.c (ggc_pending_trees): New variable.
6351 (ggc_mark_roots): Call ggc_mark_trees.
6352 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6353 the ggc_pending_trees.
6354 * Makefile.in (GGC_H): New variable. Use it throughout in place
6357 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6359 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6362 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6364 * sh.c (sh_insn_length_adjustment): New function.
6365 * sh-protos.h (sh_insn_length_adjustment): Declare.
6366 * sh.h (ADJUST_INSN_LENGTH): Use it.
6368 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6370 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6371 from the insn where REG_RETVAL is added.
6372 (emit_no_conflict_block): Ditto.
6374 * md.texi (Standard Names): Clarify when movX is needed.
6376 * combine.c (simplify_comparison) [MINUS]: Do not replace
6377 all (op (minus A B) 0) with (op A B).
6379 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6380 J"orn Rennecke <amylaar@cygnus.co.uk>
6382 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6383 (block_lump_real): Likewise.
6385 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6387 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6388 remaining non-zero debugging masks.
6390 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6392 * basic-block.h (verify_flow_info): Declare.
6393 (flow_loop_outside_edge_p): Declare.
6394 * flow.c (verify_flow_info): Remove declaration.
6395 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6397 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6399 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6402 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6404 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6405 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6406 seqdi_zero_trunc+1): Allow splits only if registers are
6409 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6411 * acconfig.h: Add HAVE_GAS_HIDDEN.
6412 * config.in: Regenerated.
6413 * configure.in: Add test for .hidden pseudo-op in gas.
6414 * configure: Regenerated.
6415 * crtstuff.c: Include auto-host.h.
6416 Emit additional .hidden pseudo-op for __dso_handle if the
6417 assembler knows about it.
6419 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6421 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6422 before freeing argnames.
6423 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6425 2000-04-05 Michael Meissner <meissner@redhat.com>
6427 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6428 Walton <jonboy@gordian.com> to make memory references with update
6429 work wtih -mregnames.
6431 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6433 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6434 (regrename_optimize): Rename variables `def_uses' and
6435 `ext_basic_blocks' to avoid conflicts with similarly named
6436 typedefs in traditional C.
6438 * calls.c (initialize_argument_information): Fix typo in previous
6441 2000-04-04 Richard Henderson <rth@cygnus.com>
6443 * regrename.c (consider_available): Test fixed_regs not
6444 PIC_OFFSET_TABLE_REGNUM.
6446 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6448 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6450 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6451 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6452 (ENDFILE_LINUX_SPEC): Always use crtend.
6453 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6454 (powerpc-*-linux-gnu): Likewise.
6455 * configure: Regenerate.
6457 * config/rs6000/eabi.h: Don't include sysv4.h.
6458 (MULTILIB_DEFAULTS): Don't define.
6459 * config/rs6000/eabiaix.h: Don't include eabi.h.
6460 * config/rs6000/eabile.h: Delete.
6461 * config/rs6000/eabilesim.h: Delete.
6462 * config/rs6000/eabisim.h: Don't include eabi.h.
6463 * config/rs6000/linux.h: Don't include sysv4.h.
6464 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6465 (MULTILIB_DEFAULTS): Don't redefine.
6466 * config/rs6000/rtems.h: Don't include eabi.h.
6467 * config/rs6000/sol2.h: Don't include sysv4le.h.
6468 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6469 * config/rs6000/t-ppc: Delete.
6470 * config/rs6000/t-ppcgas: Correct comment.
6471 * config/rs6000/t-ppcos: Correct comment. Don't build
6472 multilibs for -fPIC, rather use -fPIC -mstrict-align
6474 * config/rs6000/t-ppc: Delete.
6475 * config/rs6000/vxppc.h: Don't include sysv4.h.
6476 * config/rs6000/vxppcle.h: Delete.
6477 * configure.in: Use multiple header files for p2pc ELF targets
6478 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6479 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6480 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6481 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6482 always available for these platforms.
6484 2000-04-04 Richard Henderson <rth@cygnus.com>
6486 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6488 2000-04-04 Stan Cox <scox@cygnus.com>
6490 * Makefile.in: Add rules for regrename.o
6491 * regrename.c: New file.
6492 * rtl.h (regrename_optimize): Add prototype.
6493 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6494 (compile_file, decode_d_option): Add support for -frename-registers.
6495 (rest_of_compilation): Call regrename_optimize.
6496 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6499 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6501 * Makefile (gccbug): New target.
6502 (doc): Depend on it.
6503 * gcc.texi (Bugs): Link subnodes.
6505 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6506 Document severities, priorities, and classes in bug form.
6508 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6510 * cpplex.c (trigraph_map, speccase): Combine into single
6512 (NORMAL, NONTRI): New macros.
6513 (_cpp_read_and_prescan): Change to use unified table. Use
6514 is_hspace to test for whitespace.
6516 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6517 definition that doesn't provoke the "empty body in an
6518 if-statement" warning.
6520 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6522 * builtins.c (expand_builtin_strlen): Force the source to
6523 be a memory address.
6525 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6527 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6529 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6531 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6532 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6533 (ECF_IS_CONST): Rename to ECF_CONST.
6534 (special_function_p): Make static, change interface.
6535 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6536 (expand_call) ... here; convert number of variables to flags.
6537 (emit_library_call_vlue_1): Likewise.
6538 (setjmp_call_p): New function.
6539 (initialize_argument_information): Accepts flags as argument;
6541 (precompute_arguments): Likewise.
6542 * tree.h (special_function_p): Remove.
6543 (setjmp_call_p): Add prototype.
6545 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6547 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6548 so that addresses are offsetable by up to 16 bytes.
6549 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6550 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6553 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6554 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6555 (movsf): Don't force any constant to memory if target is integer
6557 Move fp_zero_operand check below the const0_rtx check.
6558 (movtf): Likewise. Also allow fp_zero_operand for stores into
6560 (movdf): Likewise. Also allow fp_zero_operand for stores into
6561 memory and into integer hard registers.
6562 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6563 movdf_const_intreg_sp64): Remove.
6564 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6566 (movdf_no_e_insn_v9_sp32): New pattern.
6567 (movdf_insn_v9only): Remove.
6568 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6569 (movdf_insn_sp64): Remove.
6570 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6571 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6572 (following splits): Rewrite conditions. Add two new splits
6573 for storing 0.0 into memory and registers.
6574 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6575 (movtf_insn_sp32): Redo constraints and conditions.
6576 (movtf_insn_vis_sp32): New pattern.
6577 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6578 (movtf_insn_hq_sp64): Likewise.
6579 (movtf_insn_hq_vis_sp64): New pattern.
6580 (movtf_insn_sp64): Redo constraints and conditions.
6581 (movtf_insn_vis_sp64): New pattern.
6582 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6583 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6585 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6586 -mvis or -m64 to take down the number of various reload patterns.
6588 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6590 * pa/pa-64.h: New file.
6591 * pa/pa64-regs.h: New file.
6592 * pa/pa64-start.h: New file.
6593 * pa/t-pa64: New file.
6594 * pa/xm-pa64hpux.h: New file.
6596 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6598 * sparc.c (output_restore_regs): Prototype.
6599 (sparc_emit_float_lib_cmp): Constification.
6601 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6603 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6606 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6607 (get_value_hash, hash_rtx): Likewise.
6609 * ssa.c (compute_conservative_reg_partition): Prototype.
6611 * tree.c (mark_hash_entry): Prototype.
6613 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6615 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6616 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6617 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6619 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6620 * objc/lang-specs.h: Likewise.
6622 2000-04-03 Neil Booth <NeilB@earthling.net>
6624 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6625 and SYNTAX_ERROR2. Replace `' in messages with ''.
6626 (op_to_str): Make re-entrant.
6627 (_cpp_parse_expr): Implement new error macros. Use | rather
6628 than || to logically or 2 boolean integers. Simply expression
6629 checking we have a left operand iff needed.
6631 2000-04-03 Nick Clifton <nickc@cygnus.com>
6633 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6635 2000-04-03 Philip Blundell <philb@gnu.org>
6637 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6639 2000-04-03 Felix Lee <flee@cygnus.com>
6641 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6642 (run_shell): Use it.
6644 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6646 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6647 (stmp-fixproto): ...rather than here.
6649 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6651 * pa.c (print_operand): Compute 'base' only inside the code paths
6654 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6656 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6659 2000-04-03 Philipp Thomas <pthomas@suse.de>
6661 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6663 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6665 * Makefile.in (alias.o): Depend on $(TREE_H).
6667 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6669 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6671 * cpplib.c (_cpp_handle_directive): Improve warnings for
6672 traditional C and indented directives.
6674 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6675 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6676 fixinc/inclhack.def: Indent the # of #include_next one space.
6677 * cp/rtti.c: Un-indent #if and #endif.
6679 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6680 syntax error, but an error has already been printed.
6681 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6682 message when called with nothing remaining on the line.
6683 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6684 OTHER token, not an ASSERTION.
6685 * cpplib.c (do_assert): When we create a 'base' node, clear
6686 its aschain pointer.
6688 2000-04-02 Neil Booth <NeilB@earthling.net>
6690 * cppexp.c: New typedef op_t. struct operation and struct
6691 token updated to use it.
6692 (op_to_str): New function.
6693 (_cpp_parse_expr): Error messages modified to use op_to_str.
6695 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6697 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6698 before checking MUST_PASS_IN_STACK.
6700 2000-04-02 Neil Booth <NeilB@earthling.net>
6702 * cppexp.c: New FINISHED dummy token. Combine operator initial
6703 flags and initial priority into a single constant. New
6704 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6705 (_parse_cpp_expr): Implement new constants. Take left operand
6706 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6707 parse indicated by reducing FINISHED token. Remove new lines
6708 from cpp_error messages.
6710 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6712 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6715 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6717 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6718 directive. Add origin values to DIRECTIVE_TABLE. Generate
6719 the strings and function names on the fly. Take the #sccs
6720 entry out of the table if SCCS_DIRECTIVE is not defined.
6721 (_cpp_handle_directive): Decide if the # was at the beginning
6722 of the line here. Issue -pedantic warnings for extended
6723 directives here. Warn about K+R directives with the #
6724 indented, and C89/extended directives with the # not indented,
6726 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6727 do_assert, do_unassert): Don't issue pedantic warning here.
6729 * cpphash.h: Add CPP_WTRADITIONAL macro.
6730 * cpplib.h (struct cpp_options): Rename warn_stringify to
6731 warn_traditional; update comments.
6732 * cppinit.c (handle_option): Set warn_traditional not
6734 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6735 CPP_WTRADITIONAL (pfile).
6736 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6737 be ignored in -traditional mode here.
6739 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6740 to initialize speccase[] and trigraph_map[]. Delete all
6741 references to pfile->input_speccase. Always treat '?' as a
6742 special character. Remove table-initialization code from
6743 _cpp_init_input_buffer.
6745 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6746 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6748 2000-04-01 Richard Henderson <rth@cygnus.com>
6750 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6751 (mostlyclean): Likewise.
6753 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6754 (struct dump_file_info, enum dump_file_index, dump_file): New.
6755 (open_dump_file): Take a dump_file_index not a suffix, and a decl
6756 not a string. Clean out file if we havn't yet done so. Do nothing
6757 if the dump isn't enabled.
6758 (close_dump_file): Do nothing if the dump isn't open. Dump
6759 graph data if requested.
6760 (dump_rtl, clean_dump_file): Remove.
6761 (compile_file): Don't clean the dump files. Only finalize .bp dump
6762 if flag_test_coverage or flag_branch_probabilities. Only finalize
6763 .combine dump if optimizing. Iterate over dump_file to finalize the
6765 (rest_of_compilation): Update for open_dump_file/close_dump_file.
6766 Convert all uses of dump_rtl.
6767 (decode_d_option): Iterate over dump_file to implement 'a' and to
6768 locate pass-specific dumps.
6770 2000-04-01 Neil Booth <NeilB@earthling.net>
6772 * cppexp.c: Redefine priority constants.
6773 (_cpp_parse_expr): Replace left and right priority scheme with
6774 single priority logic. Move LOGICAL to same place as COMPARE.
6775 Remove bogus check for multiple unary +/- operators.
6777 2000-04-01 Neil Booth <NeilB@earthling.net>
6779 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
6780 within the switch statement. Binary operations break out of
6781 the switch naturally. '(' tokens handled by forcing
6782 immediate shift. ')' handled by forcing immediate reduce to
6783 the previous '('. New error messages.
6785 2000-03-31 Geoff Keating <geoffk@cygnus.com>
6787 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
6788 part', it's already in use. Use %K instead. Add a return at the
6789 end of what is now %K.
6790 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
6792 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6794 * builtins.c (expand_builtin_apply): Pass proper parameters to
6795 allocate_dynamic_stack_space.
6796 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
6797 update stack_pointer_delta; do not update arg_size_so_far.
6798 (compute_argument_block_size): Use stack_delta instead of
6799 stack_pointer_pending and arg_size_so_far.
6800 (expand_call): Add sanity checking for stack_pointer_delta;
6801 save and restore stack_pointer_delta for SIB, use
6802 stack_pointer_delta for alignment; do not update arg_space_so_far.
6803 (emit_library_call_value): Use stack_pointer_delta for alignment.
6804 (store_one_arg): Do not update arg_space_so_far.
6805 * explow.c (adjust_stack, anti_adjust_stack): Update
6806 stack_pointer_delta.
6807 (allocate_dynamic_stack_space): Add sanity checking for
6808 stack_pointer_delta.
6809 * expr.c (init_expr, clear_pending_stack_adjust): Clear
6810 stack_pointer_delta.
6811 (emit_push_insn): Update stack_pointer_delta.
6812 * function.h (struct expr_status): Add x_stack_pointer_delta;
6813 remove x_arg_space_so_far.
6814 (arg_space_so_far): Remove.
6815 (stack_pointer_delta): New macro.
6817 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
6819 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
6820 Reorder struct cpp_options and struct cpp_reader for better
6821 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
6822 takes two args. Change all 'char' flags to 'unsigned char'.
6823 Move show_column flag into struct cpp_options. Don't
6824 prototype cpp_options_init.
6825 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
6826 cppinit.c, cpplex.c, cpplib.c:
6827 Replace CPP_OPTIONS (pfile)->whatever with
6828 CPP_OPTION (pfile, whatever), and likewise for
6829 opts = CPP_OPTIONS (pfile); ... opts->whatever;
6831 * cppinit.c (merge_include_chains): Take a cpp_reader *.
6832 Extract CPP_OPTION (pfile, pending) and work with that
6834 (cpp_options_init): Delete.
6835 (cpp_reader_init): Turn on on-by-default options here.
6836 Allocate the pending structure here.
6837 (cl_options, enum opt_code): Define these from the same table,
6838 kept in a large macro. Add -fshow-column and -fno-show-column
6841 * cpperror.c (v_message): If show_column is off, don't print
6844 * cppmain.c: Update for new interface.
6845 * fix-header.c: Likewise.
6847 2000-03-30 Geoff Keating <geoffk@cygnus.com>
6849 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
6851 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
6852 are passed to any invocation of AR_FOR_TARGET.
6853 (AR_CREATE_FOR_TARGET): New macro.
6854 (AR_EXTRACT_FOR_TARGET): New macro.
6855 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
6856 AR_EXTRACT_FOR_TARGET.
6857 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
6858 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
6859 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
6860 AR_EXTRACT_FOR_TARGET to sub-makes.
6862 2000-03-31 Neil Booth <NeilB@earthling.net>
6864 * cppexp.c: Delete SKIP_OPERAND. Correct priority
6866 (_cpp_parse_expr): Check for multiple unary +/- operators.
6867 Correct priorities of ':' and '?'. Treat ')' as having a
6868 value. Ensure conditional expression is not void.
6870 2000-03-31 Mark Mitchell <mark@codesourcery.com>
6872 * alias.c (canon_rtx): Make it global.
6873 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
6875 * cse.c (struct table_elt): Add canon_exp.
6877 (invalidate): Canonicalize expressions only once.
6878 * rtl.h (canon_rtx): Declare.
6880 2000-03-30 Mark Mitchell <mark@codesourcery.com>
6882 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
6883 * alias.c (reg_known_value): Add comments.
6884 (init_alias_analysis): Likewise.
6885 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
6887 (cse_basic_block): Fix typo in comment.
6888 * emit-rtl.c: Include hashtab.h.
6889 (const_int_htab): New variable.
6890 (const_int_htab_hash): New function.
6891 (const_int_htab_eq): Likewise.
6892 (rtx_htab_mark_1): Likewise.
6893 (rtx_htab_mark): Likewise.
6894 (gen_rtx_CONST_INT): Cache all CONST_INTs.
6895 (unshare_all_rtx): Fix formatting.
6896 (init_emit_once): Initialize const_int_htab.
6897 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
6899 * rtl.texi: Document the fact that all CONST_INTs with the same
6902 2000-03-30 Richard Henderson <rth@cygnus.com>
6904 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
6906 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
6908 * configure.in: Comment out --enable-c-cpplib stanza.
6909 * configure: Regenerate.
6911 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6913 * expr.c (store_constructor): Properly compute displacement and
6914 alignment when offset is variable.
6916 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
6917 cases of alignment in bytes.
6919 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
6921 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
6922 since it is used to generate c-parse.y.
6923 * objc-parse.c, objc-parse.y: Regenerated.
6925 * function.c (expand_function_end): Pass alignment argument to
6926 emit_block_move in bits, not bytes.
6928 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6930 * expr.c (move_by_pieces_ninsns): Fix one more missing align
6933 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
6935 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
6936 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
6937 * function.c (assign_parms): Likewise.
6938 * integrate.c (expand_inline_function): Likewise.
6939 * stmt.c (expand_decl): Likewise.
6940 (copy_rtx_and_substitute): Likewise.
6941 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
6942 (clear_by_pieces): Fix error in last change.
6943 * emit-rtl.c (init_emit): Set known registers alignment in bits.
6944 * function.h (regno_pointer_align): Now unsigned.
6945 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
6947 * config/i386/i386.c (aligned_operand): Likewise.
6948 * config/sparc/sparc.c (mem_min_alignment): Likewise.
6949 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
6950 (unaligned_memory_operand): Likewise.
6951 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
6952 Also make alignments and sizes unsigned and some whitespace cleanup.
6953 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
6955 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
6956 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
6957 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
6958 (expand_builtin_memset): Likewise, but to clear_storage.
6959 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
6960 (restore_fixed_argument_area): Likewise.
6961 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
6962 (load_register_parameters): Likewise, to emit_group_load.
6963 (expand_call): Likewise, to emit_group_store and emit_block_move.
6964 (emit_library_call_value_1): Likewise, to emit_block_move.
6965 (store_one_arg): Likewise, and to emit_push_insn.
6966 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
6967 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
6968 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
6969 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6970 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
6971 (expand_assigment, store_expr, store_constructor_field): Likewise.
6972 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
6973 (store_constructor, store_field, get_inner_reference): Likewise.
6974 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
6975 (expand_expr, case COMPONENT_REF): Likewise.
6976 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
6977 and positions; reindent code.
6978 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
6979 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
6980 (assign_parms): Likewise to emit_group_store.
6981 * optabs.c (prepare_cmp_insn): Alignment is in bits.
6982 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
6983 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
6984 (expand_return): Likewise to {extract,store}_bit_field.
6985 * stor-layout.c (get_mode_alignment): Minor cleanup.
6986 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
6987 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
6989 2000-03-29 Nick Clifton <nickc@cygnus.com>
6991 * config/arm/arm.h: Undo effects of previous delta:
6992 (ASM_SPEC): Do not define.
6993 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
6995 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
6998 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7000 * cppinit.c (cpp_start_read): Call initialize_dependency_output
7001 only after reading in the primary source file.
7003 2000-03-29 Geoff Keating <geoffk@cygnus.com>
7005 * c-common.c (c_common_nodes_and_builtins): The first parameter to
7006 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
7007 or a reference to a va_list.
7008 * builtins.c (stabilize_va_list): Simplify now we don't have to
7009 work around C array address decay.
7010 * c-typeck.c (convert_for_assignment): Handle assignment to
7011 a reference parameter by taking the address of the RHS.
7012 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
7013 (va_copy): Likewise.
7014 (__va_copy): Likewise.
7015 * ginclude/varargs.h (va_start): Likewise.
7016 (__va_copy): Likewise.
7018 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
7020 * i386/djgpp.h: Remove extraneous "+".
7022 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
7024 * calls.c (expand_call): Fix typo in last change.
7026 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
7028 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
7031 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7033 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
7034 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
7035 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
7036 * tree.c (bit_position, byte_position): Likewise.
7037 * tree.h: Declare new functions.
7039 2000-03-29 Nick Clifton <nickc@cygnus.com>
7041 * config/arm/arm.c: Minor formatting changes/
7042 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7044 (ASM_SPEC): Define if not already defined.
7046 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7048 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
7051 2000-03-29 Jakub Jelinek <jakub@redhat.com>
7053 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
7054 value, don't output it as unsigned.
7056 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
7058 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
7060 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7062 * c-common.c (c_common_nodes_and_builtins): Don't special case
7063 cplus_mode when declaring builtin bzero/bcmp, always avoid
7064 prototype arguments.
7066 2000-03-29 Bruce Korb <bkorb@gnu.org>
7068 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
7071 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
7073 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
7074 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
7075 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
7076 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
7077 (save_fixed_argument_area, restore_fixed_argument_area):
7078 conditionize by #ifdef REG_PARM_STACK_SPACE only.
7079 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
7080 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
7081 (precompute_register_parameters): Avoid #ifdefs on
7082 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
7083 (stire_one_args): Likewise.
7084 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
7085 (emit_library_call_value_1): Likewise.
7086 (compute_argument_block_size): Align to STACK_BOUNDARY only for
7087 ACCUMULATE_OUTGOING_ARGS.
7088 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
7090 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
7091 (use_crosses_set_p): Likewise.
7092 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
7093 #define ACCUMULATE_OUTGOING_ARGS 1.
7094 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
7096 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
7098 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
7099 (TARGET_SWITCHES): Add push-args, no-push-args,
7100 accumulate-outgoing-args and no-accumulate-outgoing-args.
7101 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
7102 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
7103 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
7105 (emit_push_insn): Likewise.
7106 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7107 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
7108 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7109 (STACK_DYNAMIC_OFFSET): Define correctly for both
7110 ACCUMULATE_OUTGOING_ARGS and normal mode.
7111 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
7112 * tm.texi (PUSH_ARGS): Document.
7113 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
7115 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
7117 * flags.h (flag_optimize_sibling_calls): Declare.
7118 * calls.c (expand_call): Fail sibcall when
7119 !flag_optimize_sibling_calls
7120 * invoke.texi (flag_optimize_sibling_calls): Document.
7121 * toplev.c (flag_optimize_sibling_calls): New global variable.
7122 (f_options): Add flag_optimize_sibling_calls.
7123 (rest_of_compilation): Conditionize
7124 optimize_sibling_and_tail_recursive_calls by
7125 flag_optimize_sibling_calls.
7126 (main): Set flag_optimize_sibling_calls for -O2.
7127 * stmt.c (expand_return): Conditionize tail recursion by
7128 flag_optimize_sibling_calls.
7130 2000-03-29 Richard Henderson <rth@cygnus.com>
7132 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
7133 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
7135 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
7137 * except.c (add_eh_table_entry): Mark type_info's as referenced.
7139 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7141 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
7143 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
7144 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
7145 * config/rs6000/aix.h: then modified likewise.
7147 2000-03-28 Richard Henderson <rth@cygnus.com>
7149 * rtl.h: Redistribute enum reg_note documentation.
7150 Kill trailing whitespace.
7151 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
7152 Kill trailing whitespace.
7154 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
7156 * cppfiles.c (hash_IHASH): Just return i->hash.
7157 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
7158 htab_find_with_hash.
7159 (cpp_read_file): Likewise.
7160 (find_include_file): Likewise. Properly initialize
7161 ih->nshort. Share ih->name and ih->nshort if possible.
7162 * cpphash.c (_cpp_calc_hash): New function.
7163 (hash_HASHNODE): Just return h->hash.
7164 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
7165 htab_find_with_hash.
7166 * cpphash.h: Prototype _cpp_calc_hash.
7167 * cppinit.c (initialize_builtins): Provide a valid hash
7168 to _cpp_make_hashnode, using _cpp_calc_hash.
7170 * cpphash.c (collect_expansion): # is not a special character
7171 in object-like macros. In -traditional mode, /**/ is not
7172 token paste at the beginning or end of the line.
7173 * cpplib.c (do_include, do_import, do_include_next): If
7174 parse_include fails, return immediately.
7176 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
7178 * config/arm/arm.md (return peepholes): Update to reflect the new
7180 * config/arm/arm.c (arm_volatile_func): Also check
7181 current_function_nothrow.
7182 (output_return_instruction, output_func_prologue): Use it.
7183 (arm_output_epilogue, arm_expand_prologue): Likewise.
7185 2000-03-27 Tom Tromey <tromey@cygnus.com>
7187 * gcc.c (handle_braces): In {x*...} case, break out of loop if
7190 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7192 * expr.c (store_constructor): SIZE now signed.
7193 For EXPR_SIZE, don't evaluate size; just needed if constant.
7194 * fold-const.c (fold): Fix a number of cases when folded tree is
7196 * function.c (flush_addressof): Reenable.
7197 * tree.h (flush_addressof): Likewise.
7198 * toplev.c (independent_decode_option): Look at strings_processed.
7199 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
7201 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
7203 * sibcall.c (indentify_call_return_value): Find last call in the chain;
7204 Allow stack adjustment after function call.
7206 * regmove.c (struct csa_memlist): Make mem field rtx *.
7207 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
7208 (try_apply_stack_adjustment): Replace whole MEM rtx.
7209 (combine_stack_adjustments_for_block): Update calls
7210 to record_one_stack_ref.
7212 2000-03-28 Neil Booth <NeilB@earthling.net>
7214 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
7215 '\\' rather than a null character, so nulls are not special. Fix
7216 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
7217 speed trigraph conversion.
7218 (_cpp_init_input_buffer): Initialize trigraph map.
7220 2000-03-27 Alan Modra <alan@linuxcare.com.au>
7222 * config/i386/i386.c (output_387_binary_op): Correct intel
7223 mode assembly output, and add spaces after commas in AT&T
7224 output. Correct Unixware assembler comment. Document input
7225 constraints. Comment fp operations. Reduce profligate buffer
7226 size. Remove extraneous abort. Localize temp var.
7227 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
7228 (output_fix_trunc): Add spaces after commas in assembly output.
7230 2000-03-27 Richard Henderson <rth@cygnus.com>
7232 * i386-protos.h (ix86_match_ccmode): Declare.
7233 * i386.c (ix86_match_ccmode): New.
7234 (ix86_expand_fp_compare): Update for pattern renames.
7235 (ix86_expand_strlensi_unroll_1): Likewise.
7236 * i386.h (EXTRA_CC_MODES): Add CCZ.
7237 (SELECT_CC_MODE): Use it for EQ/NE zero.
7238 * i386.md (cmpsi_ccz_1): New.
7240 (*testsi_ccz_1): New.
7241 (testqi_ccz_1): New.
7242 (cmpsi_ccno_1): Rename from cmpsi_0.
7243 (testsi_ccno_1): Rename from testsi_1.
7244 (testqi_ccno_1): Rename from testqi_1.
7245 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
7246 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
7247 (*cmphi_0): Use ix86_match_ccmode.
7248 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
7249 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
7250 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
7251 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
7252 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
7253 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
7254 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
7255 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
7256 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
7257 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
7258 (appropriate peepholes): Likewise.
7259 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
7260 (*subsi_3, *subhi_3, *subqi_3): Remove.
7261 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
7262 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
7263 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
7264 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
7265 (x86_shift_adj_1): Use CCZ.
7266 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
7268 2000-03-27 Stan Cox <scox@cygnus.com>
7270 * resource.h (mark_resource_type): New.
7271 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
7272 find_free_register): Use mark_resource_type.
7273 (mark_set_resources): Change include_delayed_effects
7274 to mark_resource_type.
7275 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
7276 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
7277 Use mark_resource_type.
7279 2000-03-27 Richard Henderson <rth@cygnus.com>
7281 * i386.md (call_pop_0, call_value_pop_0): New.
7282 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
7283 (call_value_pop_1): Likewise.
7284 (call_0, call_value_0): New.
7285 (call_1, call_value_1): Remove constraint from unused arg.
7287 2000-03-27 Nick Clifton <nickc@cygnus.com>
7289 * invoke.texi (Spec Files): Document new spec % command created by
7290 Tom Tromey's recent patch.
7292 2000-03-27 Jakub Jelinek <jakub@redhat.com>
7294 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
7297 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7299 * expr.c (expand_assignment): Fix typo in last change.
7301 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
7303 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7305 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
7306 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
7307 and DECL_INLINE if FUNCTION_DECL.
7308 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7309 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7310 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7311 (combine_parm_decls): Likewise.
7312 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7313 * print-tree.c (print_node): Likewise.
7314 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7315 DECL_TRANSPARENT_UNION on proper decl types.
7316 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7317 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7318 DECL_BIT_FIELD of FIELD_DECL.
7319 * tree.h (DECL_RESULT_FLD): New macro.
7321 * expr.c (expand_assignment): Add code to handle variable-sized
7324 2000-03-26 Richard Henderson <rth@cygnus.com>
7326 * calls.c (expand_call): Pass parms not original exp to
7327 optimize_tail_recursion. Mind return value instead of looking
7329 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7330 call_expr. Move checks for call_expr and current_function_decl ...
7331 (expand_return): ... here.
7333 2000-03-26 Tom Tromey <tromey@cygnus.com>
7335 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7336 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7338 (process_command): Use them.
7339 (check_live_switch): Likewise.
7340 (give_switch): Skip ignored switches.
7342 2000-03-26 Jan Hubicka <jh@suse.cz>
7344 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7345 for minimal jump pass test.
7347 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7349 * integrate.c (function_cannot_inline_p): Do inline functions that
7352 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7354 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7355 now a list of TREE_LIST entries, not types.
7356 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7358 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7359 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7361 * config/mips/mips.c (function_arg): Likewise; also remove cast
7362 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7363 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7364 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7365 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7366 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7367 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7368 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7369 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7370 num_adjusts now unsigned.
7371 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7372 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7374 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7375 as is BITPOS variable; use host_integerp and int_bit_position.
7376 (function_arg_record_value_2): Likewise.
7377 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7378 Variable REGNO now unsigned.
7379 (function_arg_record_value): NREGS now unsigned.
7381 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7383 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7385 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7387 * Rework fields used to describe positions of bitfields and
7388 modify sizes to be unsigned and use HOST_WIDE_INT.
7389 * alias.c (reg_known_value_size): Now unsigned.
7390 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7391 (really_start_incremental_init): Use bitsize_zero_node.
7392 (push_init_level, pop_init_level, output_init_element): Likewise.
7393 Use bitsize_unit_node and bitsize_one_node.
7394 (output_pending_init_elements, process_init_element): Likewise.
7395 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7396 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7397 HOST_WIDE_INT, respectively.
7398 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7399 (num_sign_bit_copies): Returns unsigned.
7400 BITWIDTH now unsigned; rework arithmetic.
7401 Remove recursive call from arg to MAX.
7402 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7403 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7405 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7406 (find_split_point, expand_compound_operation, make_extraction): LEN
7407 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7408 (make_field_assignment): Likewise.
7409 (combine_simplify_rtx): Add cast.
7410 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7411 (force_to_mode): WIDTH now unsigned; add cast.
7412 (if_then_else_cond): SIZE now unsigned.
7413 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7414 (extended_count): Now returns unsigned.
7415 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7416 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7417 (simplify_comparison): MODE_WIDTH now unsigned.
7418 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7419 (mark_used_regs_combine): Likewise; rework arithmetic.
7420 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7421 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7422 (record_promoted_value): REGNO now unsigned.
7423 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7424 (get_last_value): REGNO now unsigned.
7425 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7426 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7427 (remove_death): Arg REGNO now unsigned.
7428 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7429 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7431 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7432 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7433 (struct cse_reg_info): REGNO now unsigned.
7434 (cached_regno): Now unsigned.
7435 (REGNO_QTY_VALID_P): Add cast.
7436 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7437 (remove_invalid_regs): Likewise.
7438 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7439 as are variables END and I.
7440 (get_cse_reg_info, insert): Likewise.
7441 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7442 (canon_hash): Likewise.
7443 (insert_regs, lookup_for_remove): REGNO now unsigned.
7444 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7446 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7447 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7448 * emit-rtl.c (subreg_realpart_p): Add cast.
7449 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7450 (operand_subword_force): Arg I is now unsigned.
7451 * except.c (eh_regs): Variable I is now unsigned.
7452 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7453 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7454 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7455 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7456 (extract_split_bit_field, store_bit_field, extract_bit_field):
7458 * expr.c (store_constructor_fields, store_constructor, store_field):
7459 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7460 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7461 (do_jump): Likewise.
7462 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7463 MAX_SIZE is now unsigned.
7464 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7465 (emit_group_store): Likewise.
7466 (emit_move_insn): I now unsigned.
7467 (store_constructor): Use host_integerp, tree_low_cst, and
7469 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7470 Rework all calculations to use trees and new fields.
7471 * expr.h (promoted_input_arg): Regno now unsigned.
7472 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7473 (mark_seen_cases): Arg is HOST_WIDE_INT.
7474 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7475 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7476 precisions and alignments are unsigned.
7477 (optimize_bit_field_compare, fold_truthop): Likewise.
7478 (int_const_binop): Adjust threshold for size_int_type_wide call.
7479 (fold_convert): Likewise.
7480 (size_int_type_wide): Make table larger and fix thinko that only
7481 had half of table used.
7482 (all_ones_mask_p, fold): Precisions are unsigned.
7483 * function.c (put_reg_info_stack): REGNO is unsigned.
7484 (instantiate_decl): Size is HOST_WIDE_INT.
7485 (instantiate_virtual_regs): I is unsigned.
7486 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7487 (promoted_input_arg): REGNO is unsigned.
7488 * function.h (struct function): x_max_parm_reg is now unsigned.
7489 * gcse.c (max_gcse_regno): Now unsigned.
7490 (struct null_pointer_info): min_reg and max_reg now unsigned.
7491 (lookup_set, next_set): REGNO arg now unsigned.
7492 (compute_hash_table): REGNO and I now unsigned.
7493 (handle_avail_expr): regnum_for_replacing now unsigned.
7494 (cprop_insn): REGNO now unsigned.
7495 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7496 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7497 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7498 * hard-reg-set.h (reg_class_size): Now unsigned.
7499 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7500 * jump.c (mark_modified_reg): I now unsigned; add cast.
7501 (rtx_equal_for_thread_p): Add cast.
7502 * loop.c (max_reg_before_loop): Now unsigned.
7503 (struct_movable): REGNO now unsigned.
7504 (try_copy_prop): REGNO arg unsigned.
7505 (regs_match_p): XN and YN now unsigned.
7506 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7507 (strength_reduce): Likewise; NREGS also unsigned.
7508 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7509 * loop.h (struct iv_class): REGNO now unsigned.
7510 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7512 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7513 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7514 * optabs.c (expand_binop): I and NWORDS now unsigned.
7515 (expand_unop): I now unsigned.
7516 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7517 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7518 * real.c (significand_size): Now returns unsigned.
7519 * real.h (significand_size): Likewise.
7520 * regclass.c (reg_class_size): Now unsigned.
7521 (choose_hard_reg_mode): Both operands now unsigned.
7522 (record_reg_classes): REGNO and NR now unsigned.
7523 (reg_scan): NREGS now unsigned.
7524 (reg_scan_update): old_max_regno now unsigned.
7525 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7526 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7527 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7528 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7529 Likewise for variable R.
7530 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7531 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7532 (find_equiv_reg): Add casts.
7533 (regno_clobbered_p): Arg REGNO now unsigned.
7534 * reload.h (struct reload): NREGS now unsigned.
7535 (refers_to_regno_for_reload_p): Regno args are unsigned.
7536 (regno_clobbered_p): Likewise.
7537 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7538 (compute_use_by_pseudos): REGNO now unsigned.
7539 (find_reg): I and J now unsigned, new variable K, and change loop
7540 variables accordingly; THIS_NREGS now unsigned.
7541 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7542 (spill_hard_reg): REGNO arg now unsigned; add casts.
7543 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7544 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7545 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7546 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7547 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7548 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7549 (emit_reload_insns): REGNO now unsigned.
7550 (reload_cse_move2add): Add cast.
7551 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7553 * resource.c (mark_referenced_resources, mark_set_resources): New
7554 variable R; REGNO and LAST_REGNO now unsigned.
7555 (mark_target_live_regs): J and REGNO now unsigned.
7556 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7557 * rtl.h (union rtunion_def): New field rtuint.
7558 (XCUINT): New macro.
7559 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7560 (operand_subword, operand_subword_force): Word number is unsigned.
7561 (choose_hard_reg_mode): Operands are unsigned.
7562 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7563 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7564 (regno_use_in, combine_instructions, remove_death): Likewise.
7565 (reg_scan, reg_scan_update): Likewise.
7566 (extended_count): Return is unsigned.
7567 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7568 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7569 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7570 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7571 (reg_reg_last_1): FIRS and LAST now unsigned.
7572 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7573 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7575 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7576 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7577 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7578 (replace_regs): Arg NREGS now unsigned.
7579 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7580 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7581 (simplify_binary_operation): Likewise.
7582 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7583 THIS_LAST now unsigned.
7584 (cselib_record_set): Add cast.
7585 * ssa.c (ssa_max_reg_num): Now unsigned.
7586 (rename_block): REGNO now unsigned.
7587 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7589 (all_cases_count): Just return -1 not -2.
7590 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7591 Rework tests to use trees whenever possible.
7592 Use host_integerp and tree_low_cst.
7593 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7594 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7595 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7596 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7597 (smallest_mode_for_size): Likewise.
7598 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7599 KNOWN_ALIGN is now an alignment, so simplify code.
7600 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7601 (start_record_layout): Renamed from new_record_layout_info.
7602 Update to new fields.
7603 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7605 (place_union_field): Renamed from layout_union_field.
7606 Update to use new fields in rli.
7607 (place_field): Renamed from layout_field.
7608 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7609 (finalize_record_size): Rework to use new fields in rli and handle
7611 (compute_record_mode): Rework to simplify and to use new DECL fields.
7612 (finalize_type_size): Make rounding more consistent.
7613 (finish_union_layout): Deleted.
7614 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7615 (layout_type, case RECORD_TYPE): Call new function names.
7616 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7617 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7618 (get_best_mode): UNIT is now unsigned; remove casts.
7619 * tree.c (bit_position): Compute from new fields.
7620 (byte_position, int_byte_position): New functions.
7621 (print_type_hash_statistics): Cast to remove warning.
7622 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7623 (build_index_type): Likewise; make subtype of sizetype.
7624 (build_index_2_type): Pass sizetype to build_range_type.
7625 (build_common_tree_nodes): Use size_int and bitsize_int to
7626 initialize nodes; add bitsize_{zero,one,unit}_node.
7627 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7628 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7629 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7630 (DECL_FIELD_BITPOS): Deleted.
7631 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7632 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7633 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7634 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7635 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7636 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7637 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7638 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7639 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7640 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7641 (DECL_ALIGN): Adjust to new field in union.
7642 (DECL_OFFSET_ALIGN): New field.
7643 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7644 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7645 (union tree_decl): Add struct for both aligns.
7646 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7647 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7648 (struct record_layout_info): Rework fields to have offset
7649 alignment and byte and bit position.
7650 (start_record_layout, place_field): Renamed from old names.
7651 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7652 (byte_position, int_byte_position): Likewise.
7653 (get_inner_reference): Change types of position and length.
7654 * unroll.c (unroll_loop): New variable R; use for some loops.
7655 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7656 (calculate_giv_inc): Arg REGNO now unsigned.
7657 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7658 * varasm.c (assemble_variable): Clean up handling of size using
7659 host_integerp and tree_low_cst.
7660 (decode_addr_const): Use byte, not bit, position.
7661 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7662 use tree_low_cst and int_bit_position.
7663 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7665 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7667 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7668 (reorder_block_def): New members eff_head and eff_end.
7669 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7670 (verify_insn_chain): New function.
7671 (skip_insns_between_block): Add code to skip deleted insns.
7672 Check for note before using.
7673 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7674 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7675 Check for note before using.
7676 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7677 (fixup_reorder_chain): Restructure, clean up, defect removal.
7678 (reorder_basic_blocks): Remove last_insn and references to it.
7679 Moved insn chain verification code into a new function (see above).
7680 Delete defective code that sets last insn.
7681 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7684 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7686 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7688 2000-03-24 Richard Henderson <rth@cygnus.com>
7690 * tree.c (lang_safe_for_unsave): Remove.
7691 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7692 allowing for two levels of unsafeness. Remove lang hook.
7693 * tree.h: Update declarations.
7694 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7695 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7696 Always fail sibcalls when there are pending cleanups.
7698 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7700 * flow.c (propagate_block): When we delete an ADDR_VEC,
7701 also delete the BARRIER following it if there is one.
7703 2000-03-24 Richard Henderson <rth@cygnus.com>
7705 * builtins.c (expand_builtin_bzero): Convert `length' argument
7708 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7710 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7711 comparison if regno's are equal.
7712 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7713 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7714 (expand_call): Update caller.
7715 Avoid making a sibling call if argument size of the callee is larger
7716 than argument size of the caller.
7717 Call hard_function_value with outgoing set if in sibcall pass.
7718 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7720 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7721 Change LEAF_REGISTERS from an array initializer to actual array
7722 identifier. Move static global variable into the function.
7723 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7724 sequences for leaf functions.
7725 * global.c (global_alloc): Likewise.
7726 * tm.texi (LEAF_REGISTERS): Update documentation.
7728 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7729 TARGET_FLAT leaf disabling hack.
7730 (LEAF_REGISTERS): Changed from an array initializer to actual array
7731 identifier to avoid duplication and remove the above hack.
7732 (FUNCTION_OK_FOR_SIBCALL): Define.
7733 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7734 always like call attribute.
7735 (eligible_for_sibcall_delay): New attribute.
7736 (sibcall): New delay type.
7737 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7738 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7739 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7740 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7741 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7743 (output_function_epilogue): Move part of the code into
7744 output_restore_regs.
7745 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7747 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7750 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7751 until infrastructure is finished.
7753 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
7755 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
7756 (save_parm_insns): Not here.
7758 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7760 * builtins.c (expand_builtin_bzero): New function.
7761 (expand_builtin): Handle bzero.
7763 * builtins.def: Add BUILT_IN_BZERO.
7765 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7766 prototype & function for bzero.
7768 2000-03-23 Michael Meissner <meissner@redhat.com>
7770 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
7771 change adding TARGET_FP to the TF floating point insns, except for
7772 trunctfsf2, which generates direct calls to truncdfsf2.
7774 2000-03-23 Geoff Keating <geoffk@cygnus.com>
7776 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
7777 try to protect against middle-end changes that break binary
7779 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
7781 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7783 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
7785 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7787 * calls.c (expand_call): If TARGET is passed by reference and
7788 is readonly, write a CLOBBER.
7790 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7792 * builtins.c (expand_builtin): Handle bcmp.
7794 * builtins.def: Add BUILT_IN_BCMP.
7796 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7797 prototype & function for bcmp.
7799 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
7801 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
7802 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
7803 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
7805 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
7807 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
7808 alternative when using -fp64 -gp32.
7810 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7812 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
7813 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
7814 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
7816 * frame.h (frame_state): Revert last change.
7817 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
7818 * libgcc2.c (throw_helper): Revert last change.
7820 2000-03-22 Richard Henderson <rth@cygnus.com>
7822 * stmt.c (expand_asm_operands): Don't promote the temporary.
7824 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7826 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
7827 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
7828 c_get_alias_set): Likewise.
7829 * c-decl.c (duplicate_decls): Likewise.
7830 * c-typeck.c (default_conversion,build_unary_op): Likewise.
7831 * calls.c (initialize_argument_information): Likewise.
7832 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
7834 * dwarfout.c (decl_class_context,output_type): Likewise.
7835 * expr.c (get_inner_reference): Likewise.
7836 * fold-const.c (simple_operand_p,fold): Likewise.
7837 * function.c (aggregate_value_p): Likewise.
7838 * stmt.c (expand_asm_operands): Likewise.
7839 * varasm.c (named_section): Likewise.
7841 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7843 Implement dwarf2 exception handling for the ARM.
7844 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
7845 (DWARF_FRAME_RETURN_COLUMN): Define.
7846 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
7847 REG_FRAME_RELATED_EXPR note.
7848 (emit_sfm): Likewise.
7849 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
7850 * dwarf2out.c (reg_save): Handle saving a register to itself.
7851 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
7852 * except.c (eh_regs): Don't use the static chain reg if it's
7854 * frame.h (frame_state): Add cfa_saved field.
7855 * frame.c (execute_cfa_insn): Set it.
7856 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
7858 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
7860 (instantiate_virtual_regs): Adjust.
7862 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7863 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7864 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
7866 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
7867 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
7869 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7871 * builtins.def: New file.
7873 * Makefile.in (TREE_H): Depend on builtins.def.
7875 * builtins.c (built_in_names): Use builtins.def.
7877 * tree.h (built_in_function): Likewise.
7879 2000-03-22 Mark Mitchell <mark@codesourcery.com>
7881 * tree.c (size_in_bytes): Return size_zero_node, not
7884 2000-03-22 Geoff Keating <geoffk@cygnus.com>
7886 * config/fp-bit.c (pack_d): Correct the case when a denormal
7887 is rounded up and stops being denormal.
7889 2000-03-21 Richard Henderson <rth@cygnus.com>
7891 * config/alpha/alpha.c (function_arg): Check for void_type_node
7892 before using MUST_PASS_IN_STACK.
7894 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
7896 * regmove.c (combine_stack_adjustments_for_block): Check that
7897 the stack pointer is a valid memory address.
7899 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
7901 * calls.c: re-install Mar 16 emit_library_call merge.
7903 2000-03-21 Jakub Jelinek <jakub@redhat.com>
7905 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
7906 we cannot be sure that if reload_completed base register will
7907 be properly aligned.
7909 2000-03-21 Richard Henderson <rth@cygnus.com>
7911 * flow.c (delete_block): Fix typo last change.
7913 2000-03-21 Mark Mitchell <mark@codesourcery.com>
7915 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
7916 not COMPLETE_TYPE_P, to check the type of the expression.
7918 2000-03-21 Michael Meissner <meissner@redhat.com>
7920 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
7921 all floating point insns that just tested the macro
7922 TARGET_HAS_XFLOATING_LIBS.
7923 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
7924 used to only use the gprs.
7926 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
7928 * tree.h (COMPLETE_TYPE_P): New macro.
7929 (COMPLETE_OR_VOID_TYPE_P): New macro.
7930 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
7931 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
7932 * c-aux-info.c (gen_type): Use them.
7933 * c-common.c (c_expand_expr_stmt): Likewise.
7934 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
7935 grokdeclarator, grokparms, finish_struct, start_function,
7936 store_parm_decls, combine_parm_decls): Likewise.
7937 * c-parse.y (cast_expr): Likewise.
7938 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
7939 c_size_in_bytes, c_alignof, build_component_ref,
7940 build_indirect_ref, build_array_ref, convert_arguments,
7941 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
7942 * calls.c (initialize_argument_information): Likewise.
7943 * convert.c (convert_to_integer): Likewise.
7944 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
7945 * dwarfout.c (location_or_const_value_attribute,
7946 output_enumeration_type_die, output_structure_type_die,
7947 output_union_type_die, output_type): Likewise.
7948 * expr.c (safe_from_p, expand_expr): Likewise.
7949 * function.c (assign_parms): Likewise.
7950 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
7951 * tree.c (build_array_type, build_function_type,
7952 build_method_type, build_offset_type, build_complex_type): Likewise.
7953 * c-parse.c, c-parse.h: Regenerated.
7955 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7957 * config/c4x/rtems.h: Include config/rtems.h.
7959 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
7961 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
7962 decl is a FUNCTION_DECL
7964 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
7966 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
7967 function uses output registers. Don't save RP for leaf functions.
7968 Do save RP even if no epilogue.
7969 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
7970 (CALL_USED_REGISTERS): Unmark in registers.
7971 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
7974 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7976 * config/rs6000/rs6000.md (bunordered): New expander.
7977 (bordered): New expander.
7978 (buneq): New expander.
7979 (bunge): New expander.
7980 (bungt): New expander.
7981 (bunle): New expander.
7982 (bunlt): New expander.
7983 (bltgt): New expander.
7985 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
7986 (ccr_bit_negated_p): New function.
7987 (print_operand): For %C, generate appropriate cror for UNEQ,
7988 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
7990 2000-03-20 Andreas Jaeger <aj@suse.de>
7992 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
7995 * tree.h (safe_for_unsave): Prototype.
7997 2000-03-20 Richard Henderson <rth@cygnus.com>
7999 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
8000 (combine_stack_adjustments_for_block): Don't allow sp references
8001 in the side of a set we're not fixing up.
8002 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
8003 after life_analysis.
8005 2000-03-20 Richard Henderson <rth@cygnus.com>
8007 * calls.c (expand_call): Don't bother generating tail call
8008 sequences if there are pending cleanups. Use
8009 expand_start_target_temps/expand_end_target_temps to elide
8010 cleanups created during sibcall expansion.
8012 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8014 * configure.in: Set $IFS to a value if it doesn't already have one
8015 in the --enable-checking handling.
8016 * configure: Regenerate.
8018 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8020 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
8021 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8024 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
8026 * jump.c (delete_noop_moves): Remove code attempting to
8027 combine stack adjustments.
8029 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8031 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
8032 * except.c (emit_cleanup_handler): Use them.
8033 (expand_end_all_catch): Likewise.
8034 * function.c (fixup_var_refs): Likewise.
8035 (expand_function_end): Clear catch_clauses_last.
8036 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
8037 * except.h (struct eh_status): New field x_catch_clauses_last.
8038 (catch_clauses_last): New define.
8040 * Makefile.in (tree.o): Depend on HASHTAB_H.
8041 * tree.c: Include hashtab.h.
8042 (struct type_hash): Remove next field.
8043 (TYPE_HASH_SIZE): Remove.
8044 (TYPE_HASH_INITIAL_SIZE): New define.
8045 (type_hash_table): Change type to htab_t.
8046 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
8047 mark_hash_entry): New functions.
8048 (init_obstacks): Allocate type hash.
8049 (type_hash_lookup): Use htab functions.
8050 (type_hash_add, mark_type_hash): Likewise.
8051 (dump_tree_statistics): Call print_type_hash_statistics.
8053 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8055 * rs6000/t-aix41: New file.
8057 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
8059 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
8061 * tm.texi (Driver): Fix typos and tweak entry for
8063 Move misplaced STRUCT_FORCE_BLK entry ...
8064 (Storage Layout): ... to here.
8065 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
8067 2000-03-19 Richard Henderson <rth@cygnus.com>
8069 * flow.c (delete_block): Delete the addr_vec along with the block.
8070 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
8073 * fold-const.c (extract_muldiv): Apply type check for defined
8074 overflow to multiply as well as divide.
8076 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
8078 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8080 * emit-rtl.c (remove_unncessary_notes): Check that all
8081 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
8082 associated NOTE_BLOCK.
8083 * function.h (identify_blocks): Update comments.
8084 (reorder_blocks): Declare.
8085 * function.c (identify_blocks): Don't take paramters.
8086 (reorder_blocks): Don't take parameters.
8087 * loop.h (find_loop_tree_blocks): Remove.
8088 (unroll_block_trees): Likewise.
8089 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
8090 reorder_blocks instead of unroll_block_trees.h
8091 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
8092 * stmt.c (find_loop_tree_blocks): Remove.
8093 (unroll_block_trees): Likewise.
8094 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
8095 in whole-function mode.
8096 * tree.h (reorder_blocks): Remove declaration.
8098 * expr.c: Include intl.h.
8099 * Makefile.in (expr.o): Depend on intl.h.
8101 2000-03-18 Richard Henderson <rth@cygnus.com>
8103 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
8105 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8107 * tree.h (tree_index): Remove enumerals for integer types.
8108 (integer_type_kind): New type.
8109 (integer_types): New variable.
8110 (char_type_node): Adjust.
8111 (signed_char_type_node): Likewise.
8112 (unsigned_char_type_node): Likewise.
8113 (short_integer_type_node): Likewise.
8114 (short_unsigned_type_node): Likewise.
8115 (integer_type_node): Likewise.
8116 (unsigned_type_node): Likewise.
8117 (long_integer_type_node): Likewise.
8118 (long_unsigned_type_node): Likewise.
8119 (long_long_integer_type_node): Likewise.
8120 (long_long_unsigned_type_node): Likewise.
8121 * tree.c (integer_types): New variable.
8122 (init_obstacks): Register it as a root.
8124 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
8126 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
8127 NEXT_INSN. Update last insn in chain.
8129 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
8131 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
8132 with TYPE_DECL_SUPPRESS_DEBUG set.
8134 2000-03-18 Richard Henderson <rth@cygnus.com>
8136 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
8138 2000-03-18 Richard Henderson <rth@cygnus.com>
8140 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
8141 care for HALF_PIC_P.
8142 (expander_call_insn_operand): Remove.
8143 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
8144 * i386.h (PREDICATE_CODES): Update.
8145 * i386.md (all call expanders): Remove predicates, remove special
8146 handling for half-pic.
8147 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
8148 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
8149 (sibcall_epilogue): New.
8151 2000-03-17 Richard Henderson <rth@cygnus.com>
8153 * rtlanal.c (single_set): Reject if the parallel has anything
8154 except SET or USE or CLOBBER.
8156 2000-03-17 Jeff Law <law@cygnus.com>
8157 Richard Henderson <rth@cygnus.com>
8159 * Makefile.in (OBJS): Add sibcall.o.
8161 * sibcall.c: New file.
8162 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
8163 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
8164 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
8165 Emit sibcall patterns when requested. Update all callers.
8166 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
8167 elimination seems feasable.
8168 * final.c (leaf_function_p): Sibling calls don't discount being
8170 * flow.c (HAVE_sibcall_epilogue): Provide default.
8171 (find_basic_blocks_1): Sibling calls don't throw.
8172 (make_edges): Make edge from sibling call to EXIT.
8173 (propagate_block): Don't remove sibcall_epilogue insns.
8174 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
8175 (sibcall_epilogue): New.
8176 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
8177 (identify_blocks_1): Likewise. Break out from ...
8178 (identify_blocks): ... here.
8179 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
8180 (reorder_blocks): ... here.
8181 (init_function_for_compilation): Zap prologue/epilogue as varrays.
8182 (record_insns): Extend a varray instead of mallocing new memory.
8183 (contains): Read a varray not array of ints.
8184 (sibcall_epilogue_contains): New.
8185 (thread_prologue_and_epilogue_insns): Emit and record
8186 sibcall_epilogue patterns.
8187 (init_function_once): Allocate prologue/epilogue varrays.
8188 * genflags.c (gen_insn): Treat sibcall patterns as calls.
8189 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
8191 (save_for_inline_nocopy): ... here.
8192 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
8194 (expand_inline_function): ... here.
8195 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
8196 (subst_constants): Handle 'n' formats.
8197 * jump.c (jump_optimize_minimal): New.
8198 (jump_optimize_1): New arg `minimal'; update callers. Elide most
8199 optimizations if it's set.
8200 * rtl.c (copy_rtx): Do copy jump & call for insns.
8201 * rtl.h (struct rtx_def): Document use of jump and call for insns.
8202 (SIBLING_CALL_P): New.
8203 (sibcall_use_t): New.
8204 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
8205 Invoke optimize_sibling_and_tail_recursive_calls.
8206 * tree.c (lang_safe_for_unsave): New.
8207 (safe_for_unsave): New.
8208 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
8210 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
8211 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
8212 (*sibcall_osf_1, *sibcall_value_osf_1): New.
8214 2000-03-17 Mark Mitchell <mark@codesourcery.com>
8216 * objc/objc-act.c (encode_method_prototype): Pass types, not
8217 PARM_DECLs, to int_size_in_bytes.
8219 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
8221 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
8223 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8224 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
8226 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8228 * Clean up usages of TREE_INT_CST_LOW.
8229 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
8230 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8232 * c-tree.h (min_precision): Move declaration to here.
8233 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
8234 (build_unary_op, add_pending_init): Use bit_position.
8235 (pending_init_member, process_init_element): Likewise.
8236 (really_start_incremental_init, push_init_level, pop_init_level):
8237 Don't make copies of nodes or modify them in place, use consistent
8238 types when tracking positions, and use tree routines computations.
8239 (set_init_index, output_init_element): Likewise.
8240 (output_pending_init_elements, process_init_element): Likewise.
8241 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
8242 tree_low_cst and int_bit_position; also minor cleanup.
8243 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
8244 (print_cst_octal): Precision is unsigned.
8245 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
8246 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
8247 (simple_type_align_in_bits): Result is unsigned int.
8248 Use tree_int_low_cst and host_integerp.
8249 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
8250 (field_byte_offset): Result is HOST_WIDE_INT.
8251 Change types of internal variables so alignments are unsigned int,
8252 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
8253 Use host_integerp, tree_low_cst, and int_bit_position.
8254 (add_bit_offset_attribute): Likewise.
8255 (add_data_member_location_attribute): Use tree_cst_low.
8256 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
8257 (add_bit_size_attribute): Use tree_low_cst.
8258 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
8259 * dwarfout.c: Similar changes to dwarf2out.c.
8260 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
8261 * genoutput.c (n_occurences): Return -1 for null string.
8262 (strip_whitespace): Accept null string and make into function.
8263 (scan_operands): Reflect above changes.
8264 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
8265 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
8266 * ssa.c (rename_registers): Add missing cast of arg to bzero.
8267 * tree.c (int_size_in_bytes): Check for too big to represent.
8268 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
8269 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
8271 (min_precision): Delete from here.
8272 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
8273 and int_bit_position.
8274 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
8275 (encode_method_def): Likewise.
8276 (build_ivar_list_initializer): Use int_bit_position.
8277 (generate_shared_structures): Convert size.
8278 (encode_type, encode_complete_bitfield): Use integer_zerop.
8279 (encode_bitfield): Use tree_low_cst and int_bit_position.
8281 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8283 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
8285 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8287 * call.c (special_function_p): It is only malloc if it returns
8290 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8292 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
8293 (C33_FLAG, TARGET_C3X): Add macros.
8294 (TARGET_SWITCHES): Add -m33 option.
8295 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
8297 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8299 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
8300 (PARALLEL_PACK_FLAG): Delete.
8301 (TARGET_SWITCHES): Update.
8302 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
8304 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8306 * fold-const.c (fold): Fix a few cases when the returned result
8307 is not of the same type as the input.
8309 2000-03-16 Nick Clifton <nickc@cygnus.com>
8311 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8314 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8316 * libgcc2.h: Move prototypes above macros with the same name.
8317 Wrap some function prototypes in the conditional which indicates
8318 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8320 2000-03-16 Richard Henderson <rth@cygnus.com>
8322 * calls.c: Revert last two changes.
8324 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8326 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8327 has exponent 0 is a zero.
8329 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8330 HASH may already be nonzero. Add code/mode into hash value
8331 immediately after repeat label.
8332 (cselib_lookup): Don't leave the hash table in an inconsistent
8333 state before a hash lookup operation.
8335 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8337 * i386.md (all HI and QI mode non-move patterns): Conditionize
8338 by TARGET_[HQ]IMODE_MATH.
8339 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8340 x86_promote_qi_regs): Declare.
8341 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8342 TARGET_PROMOTE_QI_REGS): New macros.
8343 (PROMOTE_MODE): New macro.
8344 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8345 x86_promote_qi_regs): New global variables.
8347 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8349 * calls.c (emit_library_call_value_1): Break out from ...; handle
8350 VOIDmode function calls too.
8351 (emit_library_call_value): ... here.
8352 (emit_library_call): Implement by calling emit_library_call_value_1.
8354 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8356 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8357 Update arg_space_so_far on stack adjustments.
8358 (emit_library_call, emit_library_call_value): Likewise; take into
8359 account arg_space_so_far and pending_stack_adjust when calculcating
8362 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8364 * flow.c: Move all basic block reordering code into its own file.
8365 (create_basic_block): Externalize.
8366 * bb-reorder.c: New file. Copy all basic block reordering code from
8367 flow.c to this file.
8368 (reorder_basic_blocks): Fix fencepost error in for-loop.
8369 (reorder_basic_blocks): Remove braces from single statement for-loops.
8370 * basic-block.h: Add declaration for create_basic_block.
8371 * Makefile.in: Add rules for bb-reorder.o.
8373 2000-03-16 Neil Booth <NeilB@earthling.net>
8375 * cppinit.c (handle_option): Implement #unassert directive
8376 as -A- command line option.
8377 (print_help): Update.
8378 * cpptexi.c: Update.
8380 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8382 * md.texi (Standard Names): Document `jump'.
8384 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8386 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8389 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8391 Merge changes from newppc-branch onto trunk.
8393 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8395 * rs6000.c (toc_hash_table): Update for new hash table functions.
8396 (toc_hash_function): Likewise.
8397 (toc_hash_eq): Likewise.
8398 (toc_hash_mark_entry): Likewise.
8399 (toc_hash_mark_table): Likewise.
8400 (output_toc): Likewise.
8401 (rs6000_add_gc_roots): Likewise.
8403 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8405 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8406 (AR_FLAGS_FOR_TARGET): here. New macro.
8408 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8410 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8411 fpmem_operand) Delete.
8413 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8414 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8415 (rs6000_save_machine_status, rs6000_restore_machine_status,
8416 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8417 references to above variables.
8418 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8419 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8420 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8421 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8422 (XER_REGNO_P, XER_REGNO): New.
8423 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8424 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8425 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8427 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8428 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8429 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8431 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8433 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8434 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8435 * rs6000.h: from here.
8437 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8438 (rs6000_select_rtx_section): Likewise.
8439 (rs6000_encode_section_info): Likewise.
8440 (sdata_section): Likewise.
8441 (sdata2_section): Likewise.
8442 (sbss_section): Likewise.
8443 * sysv4.h (rs6000_select_section): Delete prototype.
8444 (rs6000_select_rtx_section): Likewise.
8445 (rs6000_encode_section_info): Likewise.
8446 (sdata_section): Likewise.
8447 (sdata2_section): Likewise.
8448 (sbss_section): Likewise.
8449 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8451 * sysv4.h: Delete various unnecessary #undef's and put a comment
8452 on the remaining ones.
8453 Change various comments according to coding standard.
8455 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8457 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8458 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8459 (CR0_REGNO_P) Remove.
8460 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8461 setup_incoming_varargs, mtcrf_operation, print_operand,
8462 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8463 Use the above macros.
8465 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8467 * config/rs6000/rs6000.md: Added a new alternative for each
8468 pattern that had a 'x' alternative but no 'y' alternative.
8469 Added a new split for each of the above patterns.
8471 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8473 * aix41.h (ASM_CPU_SPEC): Delete.
8474 (CPP_CPU_SPEC): Delete.
8476 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8477 (ASM_OUTPUT_LABEL): Define.
8478 (ASM_GLOBALIZE_LABEL): Define.
8479 (STRIP_NAME_ENCODING): Define.
8480 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8481 (STRIP_NAME_ENCODING): Don't define.
8482 (ASM_OUTPUT_LABEL): Don't define.
8483 (ASM_GLOBALIZE_LABEL): Don't define.
8484 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8485 names, and ASM_OUTPUT_LABEL to output labels, rather than
8487 (ASM_OUTPUT_LABEL): Define.
8488 (ASM_OUTPUT_INT): Use assemble_name.
8489 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8490 (STRIP_NAME_ENCODING): Don't undefine first.
8491 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8493 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8494 specified with 'asm' even with -fleading-underscore.
8495 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8496 (output_epilog): Likewise.
8497 (output_toc): Likewise.
8498 * tramp.asm: Handle -fleading-underscore correctly.
8500 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8502 (nonlocal_goto_receiver): Delete.
8503 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8505 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8506 (SET_ASM_OP): Define.
8507 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8509 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8512 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8513 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8515 * rs6000.h: Add 'u' to more constants.
8517 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8519 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8521 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8523 * rs6000.c (reg_or_u_cint_operand): New function.
8524 (logical_operand): Handle 64-bit hosts.
8525 (logical_u_operand): New function.
8526 (non_logical_cint_operand): Handle 64-bit hosts.
8527 (non_logical_u_cint_operand): New function.
8528 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8529 (PREDICATE_CODES): Define new functions.
8530 * rs6000-protos.h: Declare new functions.
8531 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8532 (movdi_64): Bracket code intended for 64-bit hosts. Create
8533 CONST_DOUBLE for 32-bit values.
8534 (scc insns): Generate DImode compares.
8535 (mfcr insns): Create DImode versions.
8536 (sge matchers): New patterns.
8538 2000-02-15 Gabriel Paubert <paubert@iram.es>
8540 * rs6000.md: Correct instructions length attributes and
8541 constraints on unsigned compare instructions.
8542 (*ne0): Disable for PowerPC64.
8544 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8546 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8547 quantity, fix profile1.C test failure under -fPIC.
8549 * rs6000.c: Add 'u' to many constants to suppress warnings.
8550 (constant_pool_expr_1): Make static.
8551 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8552 * rs6000.h: Add 'u' to many constants to suppress warnings.
8554 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8555 for the start of the TOC, instead of LCTOC..0.
8556 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8558 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8559 (load_toc_aix_di): Use LCTOC..1.
8561 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8562 * rs6000.c (rs6000_legitimize_address): New function from
8563 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8564 symbols in the constant pool that really are TOC references.
8565 (print_operand_address): For ELF, write TOC offsets under
8566 -fPIC as subtractions in the insn.
8567 (output_toc): For ELF, define symbols in TOC as normal labels,
8569 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8570 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8571 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8572 * rs6000.md (movsi): Only use create_TOC_reference on
8573 symbols in the constant pool that really are TOC references.
8575 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8576 * rs6000.c (rs6000_reorg): Delete.
8577 * rs6000-protos.h (rs6000_reorg): Delete.
8579 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8581 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8583 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8584 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8585 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8586 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8587 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8588 rs6000_aix_emit_builtin_unwind_init.
8589 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8590 rs6000_emit_eh_toc_restore on AIX.
8591 (return_eh_si): Use r2.
8592 (return_eh_di): Use r2.
8594 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8595 since we're breaking binary compatibility anyway.
8597 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8599 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8600 constant_pool_expr_p): Declare them.
8601 (constant_pool_expr_p): Declare it.
8602 * config/rs6000/rs6000.c (toc_label_name): Define.
8603 (rs6000_override_options): Set toc_label_name.
8604 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8605 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8606 uses_TOC): New functions.
8607 (print_operand): Delete old '*' case.
8608 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8609 and strip off rtl for TOC before calling output_addr_const.
8610 (rs6000_emit_load_toc_table): Use toc_label_name.
8611 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8613 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8614 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8615 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8616 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8617 into explicit TOC_REGISTER offsets.
8618 (TOC_REGISTER): New macro.
8619 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8620 TARGET_TOC to reference TOC_REGISTER.
8621 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8622 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8623 uses_TOC before emitting label references.
8625 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8627 * rs6000.md (stack_tie): Fix warning.
8629 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8630 to handle -fleading-underscore.
8631 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8632 (USER_LABEL_PREFIX): New macro.
8633 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8634 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8635 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8636 call-linux can use the same multilibs.
8637 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8638 and call-linux multilibs. Do multilib with -fleading-underscore.
8639 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8640 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8643 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8644 have MASK_SOFT_FLOAT set.
8645 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8646 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8647 CPP_FLOAT_DEFAULT_SPEC.
8649 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8650 * rs6000.md: Whitespace change.
8651 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8652 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8654 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8656 * rs6000.md (eh_epilogue): New expander.
8657 (eh_reg_restore): New expand/split/insn combination.
8658 (return_eh_si): New insn.
8659 (return_eh_di): New insn.
8661 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8662 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8663 * eabi-ctors.c (__do_global_ctors): Register this object's
8664 frame. Clean up. Call atexit() after the constructors.
8665 (__do_global_dtors): Deregister this object's frame. Clean up.
8666 Allow for recursive calls to exit().
8667 * rs6000.c (fixuplabelno): New variable.
8668 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8669 TARGET_RELOCATABLE, it slows down exec() under linux.
8670 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8672 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8673 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8674 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8675 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8676 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8677 (ASM_OUTPUT_DWARF_ADDR): New macro.
8678 (ASM_OUTPUT_DWARF_DATA4): New macro.
8679 (ASM_OUTPUT_DWARF_DATA2): New macro.
8680 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8681 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8682 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8684 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8686 * rs6000.c (rs6000_sr_alias_set): New variable.
8687 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8688 (rs6000_emit_stack_tie): New function.
8689 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8690 in a way that dwarf2out can understand.
8691 (rs6000_frame_related): New function.
8692 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8693 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8694 Use rs6000_emit_stack_tie when needed.
8695 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8696 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8697 * rs6000.md (stack_tie): New insn.
8698 (return_internal_si): Allow return value to be in the count
8700 (return_internal_di): Likewise.
8702 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8704 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8706 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8708 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8710 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8712 * rs6000.md (stmw): Use the right POWER opcode.
8715 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8717 * rs6000-protos.h: New file.
8719 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8721 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8724 * sysv4.h: Likewise.
8726 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8728 * ../../configure.in: Delete powerpcle-*-winnt*
8729 and powerpcle-*-pe|powerpcle-*-cygwin*.
8730 * ../../configure: Regenerated.
8732 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8733 (TARGET_WINDOWS_NT): Delete.
8735 (CALL_NT_DLLIMPORT): Delete.
8736 Delete NT-specific code.
8737 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8740 * nt-ci.asm: Delete.
8741 * nt-cn.asm: Delete.
8742 * ntstack.asm: Delete.
8744 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8746 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8747 (ASM_FILE_START): Likewise.
8748 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8749 (ASM_OUTPUT_LABELREF): Likewise.
8750 (ASM_OUTPUT_SKIP): Likewise.
8751 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8752 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8753 (ASM_OUTPUT_CASE_LABEL): Likewise.
8754 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8755 (ASM_OUTPUT_ASCII): Likewise.
8757 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
8759 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
8760 reload_toc_labelno for non-prologue TOC reloads. Also, don't
8761 increment rs6000_pic_labelno here.
8762 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
8763 and increment rs6000_pic_labelno here.
8765 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
8767 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
8768 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
8769 allocation knows (reg) is dead before the insn.
8771 2000-01-21 Geoff Keating <geoffk@cygnus.com>
8773 * rs6000.md (movsi_to_cr): Correct typo in output template.
8775 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8777 * rs6000.c (rs6000_pic_labelno): Always define.
8778 (rs6000_pic_func_labelno): Delete.
8779 (lmw_operation): Check for a zero base register,
8780 which doesn't mean what we want.
8781 (stmw_operation): New function.
8782 (print_operand): Define new 'l' modifier.
8783 (rs6000_stack_info): We must save all 64 bits of the registers
8784 if TARGET_POWERPC64.
8785 (rs6000_output_load_toc_table): Delete.
8786 (rs6000_emit_load_toc_table): New function.
8787 (rs6000_allocate_stack_space): Delete.
8788 (rs6000_emit_allocate_stack): New function.
8789 (rs6000_emit_prologue): New function.
8790 (output_prolog): Use rs6000_emit_prologue.
8791 (rs6000_emit_epilogue): Change a few variable names to be
8792 more accurate. Restore all 64 bits of the registers if
8793 TARGET_POWERPC64. Only restore the FP registers which were used
8794 if they are being saved/restored one-at-a-time.
8795 (output_mi_thunk): Delete inefficient code generation.
8796 (output_function_profiler): Don't use rs6000_output_load_toc_table.
8797 * rs6000.h: Declare rs6000_emit_load_toc_table,
8798 rs6000_allocate_stack_space, stmw_operation. Don't declare
8799 rs6000_output_load_toc_table.
8800 * rs6000.md (elf_high): Allow register 0, but discourage it
8802 (elf_low): Support loading into register 0.
8803 (load_toc_aix_si): New pattern.
8804 (load_toc_aix_di): New pattern.
8805 (load_toc_v4_pic_si): New pattern.
8806 (load_toc_v4_pic_di): New pattern.
8807 (load_toc_v4_PIC_1): New pattern.
8808 (load_toc_v4_PIC_1b): New pattern.
8809 (load_toc_v4_PIC_2): New pattern.
8810 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
8811 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
8812 (prologue): New expander.
8813 (movesi_from_cr): New pattern.
8814 (stmw): New pattern.
8815 (save_fpregs_si): New pattern.
8816 (save_fpregs_di): New pattern.
8818 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8820 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
8825 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8827 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
8829 (movsi_got_internal): Likewise.
8830 (movsi_got_internal+1): Likewise.
8831 (set_sp): 'unspec 7' does a SImode clobber.
8833 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8835 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
8836 allocate a stack temporary.
8837 (floatsidf2_internal): Likewise.
8838 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
8840 (floatunssidf2): Don't use the fpmem "register", just
8841 allocate a stack temporary.
8842 (floatunssidf2_internal): Likewise.
8843 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
8845 (floatsidf2_loadaddr): Delete.
8846 (floatsidf2_store1): Delete.
8847 (floatsidf2_store2): Delete.
8848 (floatsidf2_load): Delete.
8849 (fix_truncdfsi2): Don't use the fpmem "register", just
8850 allocate a stack temporary.
8851 (fix_truncdfsi2_internal_si): Delete.
8852 (fix_truncdfsi2_internal_di): Delete.
8853 (fix_truncdfsi2_internal): New insn.
8854 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
8855 (fix_truncdfsi2_store): Delete.
8856 (fix_truncdfsi2_load): Delete.
8857 (fctiwz): Produce gen_fctiwz.
8859 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8861 * eabi.h (INVOKE__main): Define.
8862 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
8864 (rs6000_emit_prologue): Likewise.
8865 * rs6000.h (struct rs6000_stack): Don't keep track of whether
8866 this is the main program.
8868 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8870 * rs6000.c (rs6000_va_arg): Delete some unused variables.
8872 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8874 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
8875 goes after the argument.
8877 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8879 * rs6000.md: Document 'unspec' values used.
8880 (epilogue): New expander.
8881 (movesi_to_cr_one): New expander.
8882 (movesi_to_cr and following): New pattern.
8884 (return_internal_si): New pattern.
8885 (return_internal_di): New pattern.
8886 (return_and_restore_fpregs_si): New pattern.
8887 (return_and_restore_fpregs_di): New pattern.
8888 * rs6000.h: Declare new functions.
8889 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
8890 rather than rs6000_calls_p.
8891 (rs6000_makes_calls): Delete.
8892 (lmw_operation): New function.
8893 (mtcrf_operation): New function.
8894 (rs6000_emit_epilogue): New function.
8895 (output_epilog): Call rs6000_emit_epilogue and final if
8896 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
8898 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8900 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
8901 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
8902 * aix.h (SUBTARGET_SWITCHES): Document switches.
8903 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
8904 sched-prolog and sched-epilog the same. Document all the
8906 (TARGET_OPTIONS): No longer allow -mdebug-.
8908 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8910 * rs6000.h (ASM_FILE_END): Move to aix.h.
8911 (EXTRA_SECTIONS): Move to aix.h.
8912 (READONLY_DATA_SECTION): Move to aix.h.
8913 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
8914 (SELECT_SECTION): Move to aix.h.
8915 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
8916 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
8917 (LINK_REGISTER_REGNUM): New definition.
8918 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
8919 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
8921 * sysv4.h: Delete the code between the inclusion of rs6000.h
8923 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
8924 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
8925 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
8926 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
8927 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
8928 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
8929 (fix_truncdfsi2_internal_di): New pattern.
8930 (fix_truncdfsi2_store): The second arg here is Pmode too.
8931 (fix_truncdfsi2_load): The second arg here is Pmode too.
8932 (tablejumpdi): Now that switch tables hold only SImode values,
8933 gcc needs to know how to add them to the pc which is DImode.
8934 * rs6000.c (rs6000_stack_info): Use symbolic name for
8935 LINK_REGISTER_REGNUM.
8936 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
8937 (output_toc): Delete unused variables s1 and s2.
8938 (output_ascii): Use fputs not fprintf on a variable string.
8940 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8942 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8943 * aix43.h: Revert Aug 2 change.
8944 (HAS_INIT_SECTION): Define, not visible yet.
8945 (LD_INIT_SWITCH): Define, not visible yet.
8946 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8948 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8950 * config/rs6000/rtems.h: Include config/rtems.h.
8952 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8954 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8955 (SLOW_UNALIGNED_ACCESS): Define.
8956 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8957 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8958 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8959 (toc_section): Likewise and .toc pseudo-op.
8960 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8962 (TEXT_SECTION_ASM_OP): Likewise.
8963 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8966 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8968 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
8969 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8972 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8974 * rs6000.h: Move more stuff from here...
8976 * sysv4.h: Cleanup accordingly.
8977 * netware.h: Likewise
8979 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8981 * rs6000.h: Continue cleanup.
8984 * netware.h: Likewise.
8986 * sysv4.h: Likewise.
8987 * win-nt.h: Likewise.
8989 * rs6000.h (TARGET_SWITCHES): Add descriptions.
8990 (TARGET_OPTIONS): Likewise.
8992 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
8993 (SUBTARGET_OPTIONS): Likewise.
8995 * rs6000.md: Fix compile time warnings.
8997 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8999 vxworks patches from the Cygnus tree originally by
9000 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
9001 <vmakarov@cygnus.com>.
9002 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
9003 (ENDFILE_SPEC): Likewise.
9004 (LIB_VXWORKS_SPEC): New macro.
9005 (STARTFILE_VXWORKS_SPEC): New macro.
9006 (ENDFILE_VXWORKS_SPEC): New macro.
9007 (LINK_START_VXWORKS_SPEC): New macro.
9008 (LINK_OS_VXWORKS_SPEC): New macro.
9009 (CPP_OS_VXWORKS_SPEC): New macro.
9010 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
9011 * vxppc.h: Rewrite to use proper configuration method.
9012 * vxppcle.h: New file.
9013 * ../../configure.in: Add powerpcle-wrs-vxworks*.
9014 * ../../configure: Rebuilt.
9016 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9018 Lots of changes to rs6000.h, sysv4.h, aix.h,
9019 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
9020 with the aim that rs6000.h is the first header
9021 included and the others override it.
9024 * x-aix41-gld: Remove.
9026 * x-aix41: Remove target-specific switches, and don't specify
9027 -Wl,-bbigtoc as we don't need it any more.
9028 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
9029 Use t-aix43 for AIX 4.3 and above.
9030 * ../../configure: Regenerated.
9032 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
9033 options, that don't do anything yet.
9034 (MASK_SCHED_PROLOG): New macro.
9035 (MASK_SCHED_EPILOG): New macro.
9036 (TARGET_SCHED_PROLOG): New macro.
9037 (TARGET_SCHED_EPILOG): New macro.
9039 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9041 * rs6000.c: Correct comment, the `minimal' TOCs are actually
9042 one per translation unit, not one per function.
9043 (output_toc): Also do duplicate constant elimination
9044 for per-translation-unit TOCs.
9046 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
9047 a comment explaining _exactly_ when this pattern gets used.
9048 (builtin_setjmp_receiver): New pattern for better clarity.
9049 (init_v4_pic): Move it into a section dealing with TOC registers.
9051 1999-12-30 Geoff Keating <geoffk@cygnus.com>
9053 * rs6000.c (toc_hash_table): New variable.
9054 (rs6000_hash_constant): New function.
9055 (toc_hash_function): New function.
9056 (toc_hash_eq): New function.
9057 (toc_hash_mark_entry): New function.
9058 (toc_hash_mark_table): New function.
9059 (output_toc): Don't output duplicate TOC entries in
9061 (rs6000_add_gc_roots): Add the hash table as a GC root.
9062 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
9063 where they clearly shouldn't be. This may need to be fixed
9064 later when there is a GNU ar for AIX.
9065 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
9066 Don't define BOOT_LDFLAGS as it is now not necessary.
9068 1999-12-29 Geoff Keating <geoffk@cygnus.com>
9070 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
9071 for va_list on AIX. Use unsigned_char_type_node rather than
9072 constructing our own version on svr4.
9074 1999-12-17 Geoff Keating <geoffk@cygnus.com>
9076 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
9077 since patently it's not.
9079 1999-12-08 Geoff Keating <geoffk@cygnus.com>
9081 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
9082 define_expand/define_insn pair, and handle restore of the
9083 SVR4 -fpic register.
9085 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
9087 * acconfig.h (HAVE_GAS_WEAK): New define.
9088 * configure.in (assembler weak support): Check for .weak support.
9089 * config.in, configure: Rebuilt.
9090 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
9091 HAVE_GAS_WEAK is defined.
9093 2000-03-15 Nick Clifton <nickc@cygnus.com>
9095 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
9098 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
9100 * cppfiles.c (open_include_file): New function.
9101 (find_include_file, cpp_read_file): Use it.
9103 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9105 * cpphash.c (dump_hash_helper): Take the slot, not the element.
9107 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
9109 * flow.c (verify_flow_info): Check for unconditional return.
9111 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
9113 * config/ia64/ia64.md (restore_stack_nonlocal): New.
9114 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
9115 (__ia64_restore_stack_nonlocal): New.
9116 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
9118 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9120 * cpphash.c (collect_formal_parameters): Do not complain about
9121 parameter names that just start with `__VA_ARGS__'.
9123 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
9125 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
9126 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
9127 * i386.c (pentiumpro_cost): Set mul cost to 4.
9128 (x86_use_movx): Set for PPro.
9130 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
9132 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
9133 STACK_BOUNDARY for empty frames now.
9135 2000-03-14 Mark Mitchell <mark@codesourcery.com>
9137 * stor-layout.c (layout_union): Remove.
9138 (layout_union_field): New function, split out from layout_union.
9139 (finish_union_layout): Likewise.
9140 (layout_field): Handle unions by calling layout_union_field.
9141 (finish_record_layout): Handle unions.
9142 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
9143 QUAL_UNION_TYPE handling.
9145 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
9147 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
9148 end of basic block is jump_insn, not barrier; use create_basic_block
9149 instead of creating basic block by hand.
9151 2000-03-14 Jason Eckhardt <jle@cygnus.com>
9153 * flow.c (reorder_basic_blocks): Account for barriers when writing
9154 over NEXT_INSN (last_bb->end).
9155 (verify_flow_info): Add check for missing barriers.
9157 2000-03-14 Greg McGary <gkm@gnu.org>
9159 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
9160 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
9161 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
9162 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
9163 __unbounded, __unbounded__): New keywords.
9164 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
9165 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
9166 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
9168 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
9170 * cselib.h: New file.
9171 * alias.c: Include "cselib.h".
9172 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
9173 MEMs as two new arguments.
9174 (get_addr): New static function.
9175 (find_base_term): Handle VALUEs.
9176 (memrefs_conflict_p): Likewise.
9177 (true_dependence): Call get_addr on the addresses.
9178 Call fixed_scalar_and_varying_struct_p with addresses that have been
9179 passed through get_addr and canon_rtx.
9180 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
9181 with true_dependence.
9182 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
9183 * loop.c: Include "cselib.h".
9184 (load_mems): Process extended basic block that enters the loop with
9185 cselib. Use that information to change initialization of the shadow
9186 register so that a constant equivalence is seen by later passes.
9187 * reload1.c: Include "cselib.h".
9188 (reload_cse_invalidate_regno): Delete function.
9189 (reload_cse_mem_conflict_p): Likewise.
9190 (reload_cse_invalidate_mem): Likewise.
9191 (reload_cse_invalidate_rtx): Likewise.
9192 (reload_cse_regno_equal_p): Likewise.
9193 (reload_cse_check_clobber): Likewise.
9194 (reload_cse_record_set): Likewise.
9195 (reg_values): Delete static variable.
9196 (invalidate_regno_rtx): Likewise.
9197 (reload_cse_delete_noop_set): New static function.
9198 (reload_cse_simplify): New static function, broken out of
9200 (reload_cse_noop_set_p): Delete unused argument INSN.
9201 Just call rtx_equal_for_cselib_p on set source and destination.
9202 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
9203 reload_cse_delete_noop_set. Delete code to keep track of values; use
9204 cselib functions instead. Delete code to push/pop obstacks.
9205 (reload_cse_simplify_set): Use cselib to find equivalent values.
9206 Delete code to push/pop obstacks.
9207 (reload_cse_simplify_operands): Likewise.
9208 * rtl.def (VALUE): New rtx code.
9209 * rtl.h (union rtunion_def): New elt rt_cselib.
9210 (X0CSELIB, CSELIB_VAL_PTR): New macros.
9211 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
9212 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
9213 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
9214 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
9215 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
9216 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
9217 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
9218 cselib_record_set, cselib_record_sets): New static functions.
9219 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
9220 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
9221 references_value_p): New functions.
9222 (MAX_USELESS_VALUES, REG_VALUES): New macros.
9223 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
9224 n_useless_values, reg_values, callmem, cselib_obstack,
9225 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
9226 New static variables.
9227 * varray.h (union varray_data_tag): New elt te.
9228 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
9229 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
9232 2000-03-14 Nick Clifton <nickc@cygnus.com>
9234 * gcc.c (do_spec_1): Catch the case where %* is used in a
9235 substitution pattern, but it has not been initialised.
9236 Issue a meaningful error message if an unrecognised operator
9237 is encountered in a spec string.
9239 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
9241 * function.c (prepare_function_start): Correctly initialize
9242 cfun->stack_alignment_needed.
9244 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
9246 * cppfiles.c (find_include_file): Don't assume nshort is a
9249 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
9251 * configure.in (hppa configurations): Add pa32-regs.h to the
9252 list of tm files as appropriate.
9253 * configure: Rebuilt.
9254 * pa.c (compute_frame_size): Remove explicit knowledge about FP
9256 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
9257 (fmpyaddoperands, fmpysuboperands): Likewise.
9258 * pa.h: Remove various definitions which depend on knowing
9259 how registers are numbered.
9260 * pa32-regs.h: New file with PA32 register numbering specific
9263 2000-03-14 Richard Henderson <rth@cygnus.com>
9265 * regmove.c (combine_stack_adjustments): New.
9266 (stack_memref_p, single_set_for_csa): New.
9267 (free_csa_memlist, record_one_stack_memref): New.
9268 (try_apply_stack_adjustment): New.
9269 (combine_stack_adjustments_for_block): New.
9270 * rtl.h (combine_stack_adjustments): Declare.
9271 * toplev.c (rest_of_compilation): Call it.
9273 * i386.md: Revert 2000-01-16 change.
9275 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9277 * gccbug.in: Add web category, gcc specific classes.
9279 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
9281 * stor-layout.c (finalize_record_size): Fix typo.
9283 2000-03-14 Stan Shebs <shebs@apple.com>
9285 * c-typeck.c (c_alignof): Error on incomplete types.
9286 * extend.texi (Alignment): Document this.
9288 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9290 * cppfiles.c: Include mkdeps.h.
9291 (find_include_file, read_include_file): Remove _cpp_ prefix
9292 from name, make static.
9293 (_cpp_execute_include): New function, broken out of
9296 * cpplib.c: Don't include mkdeps.h.
9297 (struct directive): Remove type field. Reorder entries. The
9298 function takes only one argument.
9299 (struct if_stack): Make type field an int.
9300 (directive_table): Rename to dtable. Generate it, the
9301 prototypes of the directive handlers, and the enum for the
9302 directive numbers, from a template macro.
9303 (do_ifndef, do_include_next, do_import): New functions.
9304 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
9305 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
9306 do_ident, do_assert, do_unassert, do_sccs): Take only one
9308 (do_sccs): Define always, but alter behavior based on
9310 (_cpp_handle_directive, consider_directive_while_skipping):
9311 Restructure for new directive table layout.
9313 (pass_thru_directive): Take a directive number, not a pointer
9314 to a struct directive.
9315 (parse_include): New function, broken out of do_include.
9316 (do_include, do_import, do_include_next): Use parse_include
9317 and _cpp_execute_include.
9318 (do_elif, do_else): Test for T_ELSE specifically when checking
9319 for #elif/#else after #else.
9320 (parse_ifdef): New function, broken out of do_ifdef.
9321 (validate_else): Expect a name arg without a leading #.
9322 (if_directive_name): Delete.
9323 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9324 directive handlers with only one argument.
9326 * cpphash.h: Update prototypes.
9327 (enum node_type): Remove entries for directives.
9328 * Makefile.in: Update dependencies.
9330 * cpphash.c (dump_hash_helper): Only dump nodes of type
9331 T_MACRO. Emit a newline after each definition.
9333 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9335 * gccbug.in: New file.
9336 * configure.in (all_outputs): Add gccbug.
9337 * Makefile.in (install-common): Install gccbug.
9338 (GCCBUG_INSTALL_NAME): New variable.
9339 * configure: Rebuilt.
9341 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9343 * function.c (put_var_into_stack): Use type_for_mode to calculate
9344 part_type. Use MEM_SET_IN_STRUCT_P.
9345 * expr.c (store_field): Handle CONCAT.
9346 (store_constructor): Use fields_length.
9347 * tree.c (fields_length): New fn.
9348 * tree.h: Declare it.
9350 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9352 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9353 (cpplex.o): New target.
9354 * po/POTFILES.in: Add cpplex.c.
9356 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9357 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9358 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9359 skip_block_comment, skip_line_comment, skip_comment,
9360 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9361 _cpp_parse_name, skip_string, parse_string,
9362 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9363 _cpp_get_directive_token, find_position,
9364 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9365 (maybe_macroexpand, _cpp_lex_token): New functions.
9367 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9368 parse_goto_mark): Delete.
9369 (_cpp_handle_eof): New function.
9370 (_cpp_handle_directive): Rename from handle_directive.
9371 (_cpp_output_line_command): Rename from output_line_command.
9372 (do_if, do_elif): Call _cpp_parse_expr directly.
9373 * cppfiles.c (_cpp_read_include_file): Don't call
9374 init_input_buffer here.
9375 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9376 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9377 here; pop the token_buffer and skip the rest of the line here.
9378 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9381 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9383 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9384 CPP_GOTO_MARK): New macros.
9385 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9386 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9387 _cpp_read_and_prescan, _cpp_init_input_buffer,
9388 _cpp_grow_token_buffer, _cpp_get_directive_token,
9389 _cpp_handle_directive, _cpp_handle_eof,
9390 _cpp_output_line_command): Prototype them here.
9391 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9392 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9393 quote_string, output_line_command): Remove.
9395 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9397 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9398 whether it is too large we must also verify that it isn't negative.
9400 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9402 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9403 (movsi_zero_liveg0): Remove.
9404 (movsf_insn_novis_liveg0): Remove.
9406 (negsi2_not_liveg0): Rename to negsi2.
9407 (one_cmplsi2): Remove.
9408 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9409 (one_cmplsi2_liveg0): Remove.
9410 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9411 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9412 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9413 (PREDICATE_CODES): Remove zero_operand.
9414 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9415 TARGET_BROKEN_SAVERESTORE.
9416 (zero_operand): Remove.
9417 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9418 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9420 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9421 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9422 TARGET_BROKEN_SAVERESTORE): Remove.
9423 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9425 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9427 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9430 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9432 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9434 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9435 truncating a string. Don't assume tokens are nul terminated.
9436 Problem noted by Andreas Jaeger <aj@suse.de>
9438 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9440 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9441 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9442 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9444 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9446 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9447 STRUCTURE_SIZE_BOUNDARY.
9449 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9451 * tree.h (record_layout_info_s): New structure.
9452 (record_layout_info): New type.
9453 (new_record_layout_info): New function.
9454 (layout_field): Likewise.
9455 (finish_record_layout): Likewise.
9456 * stor-layout.c (layout_record): Remove.
9457 (new_record_layout_info): New function.
9458 (layout_field): New function, broken out from layout_record.
9459 (finalize_record_size): Likewise.
9460 (compute_record_mode): Likewise.
9461 (finalize_type_size): New function, broken out from layout_type.
9462 (finish_record_layout): Likewise.
9463 (layout_type): Use them.
9465 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9467 * cpphash.c: Don't include version.h.
9468 (special_symbol) [case T_VERSION]: Look for the string in
9469 hp->value.cpval; don't use version_string.
9470 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9471 __VERSION__ to version_string.
9472 * Makefile.in (cpphash.o): Update deps.
9474 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9476 Convert cpplib to use libiberty/hashtab.c.
9478 * cpplib.h (struct cpp_reader): Make hashtab and
9479 all_include_files of type 'struct htab *'. Delete HASHSIZE
9480 and ALL_INCLUDE_HASHSIZE macros.
9482 * cpphash.h: Update prototypes.
9483 (struct hashnode): Remove next, prev, and bucket_hdr members.
9484 Make length a size_t. Add hash member.
9485 (struct ihash): Remove next member. Add hash member. Make
9486 name a flexible array member.
9488 * cppfiles.c: Include hashtab.h.
9489 (include_hash): Delete.
9490 (IHASHSIZE): New macro.
9491 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9492 (cpp_included): Do the hash lookup here.
9493 (_cpp_find_include_file): Rewrite.
9494 (cpp_read_file): Put the "fake" hash entry into the hash
9495 table. Honor the control_macro, if it turns out we've seen
9496 the file before. Don't push the buffer here.
9497 (_cpp_read_include_file): Push the buffer here.
9498 (OMODES): New macro. Use it whenever we call open(2).
9500 * cpphash.c: Include hashtab.h.
9501 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9502 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9503 _cpp_lookup_slot): New functions.
9504 (HASHSIZE): new macro.
9505 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9506 (_cpp_lookup): Use hashtab.h routines.
9508 * cppinit.c: Include hashtab.h.
9509 (cpp_reader_init): Call _cpp_init_macro_hash and
9510 _cpp_init_include_hash. Don't allocate hashtab directly.
9511 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9512 pfile->all_include_files.
9513 (initialize_builtins): Use _cpp_make_hashnode and
9514 htab_find_slot to add hash entries.
9515 (cpp_finish): Just call _cpp_dump_macro_hash.
9516 * cpplib.c: Include hashtab.h.
9517 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9518 create hash entries.
9519 (do_pragma_poison, do_assert): Likewise.
9520 (do_include): Don't push the buffer here. Don't increment
9521 system_include_depth unless _cpp_read_include_file succeeds.
9522 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9524 (do_pragma_implementation): Use alloca to create copy.
9526 * Makefile.in: Update dependencies.
9528 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9530 * cppinit.c (cl_directive_handler): More K&R fixing.
9532 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9534 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9536 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9538 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9540 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9541 Change from char[] to macros.
9543 2000-03-12 Neil Booth <NeilB@earthling.net>
9545 * cppinit.c (cpp_start_read): Update indirect function
9548 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9550 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9553 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9554 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9556 2000-03-11 Neil Booth <NeilB@earthling.net>
9558 * cppinit.c (struct pending option): Replace undef with a
9559 pointer to a directive handling routine.
9560 (struct cpp_pending): Replace separate assert_ and define_
9561 lists with one directive_ list.
9562 (new_pending_define): Rename new_pending_directive. Extra
9563 argument is the directive's handling routine.
9564 (handle_option): Update to use new_pending_directive.
9566 2000-03-11 Neil Booth <NeilB@earthling.net>
9568 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9569 remap_filename, _cpp_read_include_file, actual_directory,
9570 hack_vms_include_specification): Replace bcopy(), index() etc
9571 calls. Add casts to some allocations. Make some variables
9572 pointers to const [unsigned] char.
9573 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9574 collect_formal_parameters): Similarly.
9575 * cppinit.c (struct pending_option, append_include_chain,
9576 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9577 cpp_start_read, new_pending_define, handle_option): Similarly.
9578 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9579 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9580 do_pragma_implementation, detect_if_not_defined,
9581 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9582 do_assert, do_unassert): Similarly.
9583 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9584 function prototypes.
9585 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9587 2000-03-10 Richard Henderson <rth@cygnus.com>
9589 * builtins.c (expand_builtin_strlen): Revert last change.
9590 Use emit_insn_before if we're at the beginning of a sequence.
9592 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9594 * builtins.c (expand_builtin_strlen): Make sure that we have something
9595 at the beginning of the sequence.
9597 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9600 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9602 2000-03-10 Richard Henderson <rth@cygnus.com>
9604 * except.c (can_throw): Use INTVAL on a CONST_INT.
9605 (reachable_handlers): Likewise.
9606 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9608 2000-03-10 Andreas Jaeger <aj@suse.de>
9610 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9611 MD_STARTFILE_PREFIX since those are not needed on linux.
9612 (ASM_FILE_START): New, from mips/gnu.h.
9614 2000-03-09 Richard Henderson <rth@cygnus.com>
9615 Alex Samuel <samuel@codesourcery.com> and others
9617 * Makefile.in (ssa.o): New rule.
9619 (STAGESTUFF): Add *.ssa and *.ussa.
9620 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9621 * rtl.def (PHI): New RTL expression.
9622 * rtl.h (clear_log_links): New declaration.
9623 (convert_to_ssa): Likewise.
9624 (convert_from_ssa): Likewise.
9625 * flow.c (split_edge): If the entry node falls through to the
9626 split edge's source block, split the entry edge.
9627 (clear_log_links): New function.
9628 * toplev.c (ssa_dump): New variable.
9629 (flag_ssa): Likewise.
9630 (f_options): Add "ssa".
9631 (compile_file): Create SSA dump files.
9632 (rest_of_compilation): Go to and from SSA if enabled.
9633 (decide_d_option): Handle -de for SSA dump files.
9636 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9638 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9641 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9643 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9645 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9647 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9648 (MD_STARTFILE_PREFIX_1): New macro.
9650 2000-03-09 Robert Lipe <robertl@sco.com>
9652 * config/ia64/ia64.c: Include system.h.
9654 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9656 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9657 (init_eh_nesting_info): Likewise.
9659 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9660 (TREE_NOTHROW): Rename from TREE_RAISES.
9661 * toplev.c (rest_of_compilation): Set it.
9662 * print-tree.c (print_node): Adjust.
9663 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9664 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9665 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9666 REG_EH_REGION note as appropriate.
9667 (libfunc_nothrow): New fn.
9668 (emit_library_call, emit_library_call_value): Use it.
9669 (expand_call): Check TREE_NOTHROW.
9671 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9672 DECL_ASSEMBLER_NAME.
9674 2000-03-09 Andreas Jaeger <aj@suse.de>
9676 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9677 (TARGET_MEM_FUNCTIONS): Define.
9679 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9681 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9683 * except.c (can_throw): See through a SEQUENCE.
9684 (nothrow_function_p): New fn.
9685 * except.h: Declare it.
9686 * function.c (current_function_nothrow): New var.
9687 (prepare_function_start): Initialize it.
9688 * output.h: Declare it.
9689 * toplev.c (rest_of_compilation): Set it.
9690 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9692 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9694 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9695 match. (cpp_compare_defs): Count the nul separator when
9696 advancing over argument names.
9698 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9700 * recog.c (preprocess_constraints): Matching constraints affect
9701 same alternative/different operand, not same operand/different
9704 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9705 register and a constant specially.
9707 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9709 * libgcc2.h: New file.
9710 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9712 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9714 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9715 * configure: Regenerate.
9718 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9720 * Makefile.in (LIBCPP_DEPS): New macro.
9721 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9723 * cpperror.c: Include cpphash.h.
9724 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9726 (lex): Don't use CPP_WARN_UNDEF.
9727 (_cpp_parse_expr): Return an int, the truth value.
9728 * cppfiles.c: Include cpphash.h.
9729 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9730 * cppinit.c (include_defaults_array): Disentangle.
9731 (cpp_cleanup): Don't free the if stack here.
9732 (cpp_finish): Pop off all buffers, not just one.
9733 * cpplib.c (eval_if_expr): Return int.
9734 (do_xifdef): Rename do_ifdef.
9735 (handle_directive): Don't use CPP_PREPROCESSED.
9736 (cpp_get_token): Don't use CPP_C89.
9737 * fix-header.c: Don't use CPP_OPTIONS.
9739 * cpplib.h: Move U_CHAR, enum node_type, struct
9740 file_name_list, struct ihash, is_idchar, is_idstart,
9741 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9742 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9743 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9744 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9745 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9746 of _cpp_simplify_pathname, _cpp_find_include_file,
9747 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9748 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9750 Change all uses of U_CHAR to be unsigned char instead.
9751 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9753 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9755 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
9756 (dwarf2out_begin_prologue): Set it.
9757 (output_call_frame_info): Don't emit EH unwind info for leaves.
9759 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
9760 can occur outside of an EH region.
9761 * except.c: Correct comments about rethrow behavior.
9762 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
9764 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
9766 * flow.c (make_edges): Always call make_eh_edge for calls.
9768 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9770 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
9771 (struct cpp_buffer): Remove fname and underflow fields.
9772 (struct cpp_reader): Remove get_token field.
9773 (struct include_hash): Rename to struct ihash. Add typedef to
9775 (struct if_stack): Remove fname field.
9776 (IF_STACK_FRAME): Rename to IF_STACK.
9778 * cpperror.c (print_containing_files): Trust that there are no
9779 macro buffers below the top file buffer.
9780 * cppfiles.c: Replace all references to 'struct include_hash'
9781 with 'IHASH'. Rename initialize_input_buffer to
9782 init_input_buffer. Don't set or reference cpp_buffer->fname,
9783 use buffer->ihash->name instead.
9784 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
9785 not CPP_NULL_BUFFER.
9786 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
9787 IF_STACK_FRAME, IHASH not struct include_hash.
9788 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
9789 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
9790 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
9791 references to cpp_buffer->fname (delete entirely, or use
9792 ->ihash->name instead) and IF_STACK->fname.
9793 (cpp_push_buffer): Don't set new->underflow.
9794 (do_include): Use cpp_file_buffer.
9796 * cpphash.c (collect_formal_parameters): Remove duplicate
9797 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
9798 used as a macro argument name. Don't append "..." to namebuf
9799 for varargs macros. After we're done scanning, go through
9800 namebuf and make it NUL separated, not comma separated.
9801 (_cpp_compare_defs): Remove register tag from variables.
9802 Expect defn->argnames to be NUL separated.
9803 (_cpp_dump_definition): Expect defn->argnames to be NUL
9804 separated and in forward order.
9805 * cpphash.h: Update documentation of argnames field.
9807 2000-03-08 Richard Henderson <rth@cygnus.com>
9809 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
9810 to fail. Don't pre-expand the source operand.
9812 * i386.md (strlensi): Initialize eoschar and align before use.
9814 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9816 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
9817 CONSTRUCTOR element.
9819 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9821 * mips.c (mips_expand_prologue): If the last
9822 named argument is the vararg marker "va_list", treat it as
9823 an unnamed argument.
9825 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
9827 * dbxout.c (dbxout_parms): When correcting for promoted
9828 big-endian parameters, use the mode of the DECL_RTL rather
9829 than UNITS_PER_WORD.
9831 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
9833 * c-common.h (make_fname_decl): Declare.
9834 * c-common.c (make_fname_decl): Define.
9835 (declare_hidden_char_array): Remove.
9836 (declare_function_name): Use make_fname_decl.
9837 * c-decl.c (c_make_fname_decl): New function.
9838 (init_decl_processing): Set make_fname_decl.
9840 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
9842 * cccp.c (handle_directive): Initialize backslash_newlines_p.
9844 2000-03-07 Philipp Thomas <pthomas@suse.de>
9846 * po/POTFILES.in: Remove cppalloc.c from file list.
9848 2000-03-07 Steve Chamberlain <sac@pobox.com>
9850 * pj.c (pj_expand_prologue): current_function->args_info is
9851 now current_function_args_info.
9853 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
9854 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
9855 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
9857 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9859 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
9860 output as hexadecimal rather than the default octal.
9862 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9864 * cpphash.c (special_symbol): Fix thinko in previous commit.
9866 2000-03-07 Neil Booth <NeilB@earthling.net>
9868 * cppexp.c (struct operation, left_shift, right_shift,
9869 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
9870 "int"s to "unsigned int"s.
9871 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
9873 * cpplib.h: Update for above.
9874 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
9875 returned from allocations.
9877 * cppinit.c (opt_comp, parse_options): New functions.
9878 (handle_option): Use parse_option to parse a single command
9879 line option, that possibly takes an argument.
9880 (cpp_handle_options): Sort the array of command line options on
9881 first invocation (non-ASCII hosts only).
9882 (print_help): Update.
9884 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9886 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
9887 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
9889 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
9891 * cppinit.c (cpp_cleanup): Free imp->nshort also.
9893 * cpperror.c (cpp_print_containing_files,
9894 cpp_print_file_and_line, v_cpp_message): Rename to
9895 print_containing_files, print_file_and_line, and v_message.
9896 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
9897 to _cpp_parse_expr, parse_escape, and lex.
9898 (parse_charconst): Remove broken multibyte support.
9899 * cppfiles.c (include_hash): Make static.
9900 (cpp_included): New function.
9901 (merge_include_chains, find_include_file, finclude,
9902 simplify_pathname): Rename to _cpp_merge_include_chains,
9903 _cpp_find_include_file, _cpp_read_include_file, and
9904 _cpp_simplify_pathname.
9905 * cpphash.c (cpp_lookup, free_definition, delete_macro,
9906 cpp_install, create_definition, macroexpand, compare_defs,
9907 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
9908 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
9909 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
9910 * cppinit.c (cpp_handle_option): Rename to handle_option, make
9912 * cpplib.c: Remove extern prototype of cpp_parse_expr.
9914 * cpphash.h: Update prototypes.
9915 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
9917 2000-03-07 Andrew Haley <aph@cygnus.com>
9919 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
9920 PTRDIFF_TYPE should be based solely on Pmode.
9923 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9925 * rtl.h (rtunion_def): Constify member `rtstr'.
9926 (emit_line_note_after, emit_line_note, emit_line_note_force,
9927 emit_note, decode_asm_operands): Constify.
9929 * cse.c (canon_hash): Likewise.
9931 * dbxout.c (dbxout_block): Likewise.
9933 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
9934 v_warning_for_asm): Likewise.
9936 * dwarfout.c (function_start_label): Likewise.
9938 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
9939 emit_line_note_force): Likewise.
9941 * final.c (last_filename, asm_insn_count, final_scan_insn,
9942 output_source_line): Likewise.
9944 * function.h (struct emit_status): Likewise.
9946 * gcse.c (hash_expr_1): Likewise.
9948 * genattr.c (gen_attr, main): Likewise.
9950 * genattrtab.c (struct function_unit, current_alternative_string,
9951 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
9952 attr_numeral, check_attr_test, check_attr_value,
9953 convert_set_attr_alternative, convert_set_attr,
9954 compute_alternative_mask, simplify_by_exploding, gen_attr,
9955 gen_unit): Likewise.
9957 * genflags.c (gen_insn): Likewise.
9959 * gengenrtl.c (type_from_format): Likewise.
9961 * genopinit.c (gen_insn): Likewise.
9963 * genoutput.c (n_occurrences, process_template, process_template):
9966 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9969 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9972 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
9973 ggc_set_mark, ggc_get_size): Likewise.
9975 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
9977 * optabs.c (init_one_libfunc): Likewise.
9979 * output.h (assemble_start_function): Likewise.
9981 * recog.c (decode_asm_operands): Likewise.
9983 * toplev.c (rest_of_compilation): Likewise.
9985 * tree.h (emit_line_note_after, emit_line_note,
9986 emit_line_note_force): Likewise.
9988 * varasm.c (asm_output_bss, asm_output_aligned_bss,
9989 asm_emit_uninitialised, assemble_start_function,
9990 assemble_variable, const_hash, compare_constant_1,
9991 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
9993 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
9995 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
9997 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
9999 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
10001 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
10002 arm_dllimport_name_p): Likewise.
10004 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
10007 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
10009 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10011 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
10012 arm_mark_dllexport, arm_mark_dllimport,
10013 arm_pe_encode_section_info): Likewise.
10015 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
10016 ASM_FINISH_DECLARE_OBJECT): Likewise.
10018 * arm/thumb.c (thumb_function_prologue): Likewise.
10020 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
10022 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10024 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
10026 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
10028 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10030 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10032 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
10033 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
10035 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
10037 * i386/i386.c (asm_output_function_prefix): Likewise.
10039 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
10041 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10043 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
10045 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
10046 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
10047 ASM_OUTPUT_SECTION_NAME): Likewise.
10049 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
10051 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
10053 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
10055 * m32r/m32r.c (m32r_encode_section_info): Likewise.
10057 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10059 * mcore/mcore.c (mcore_encode_section_info): Likewise.
10061 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10063 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10065 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10067 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
10069 * mips/mips.md (movdi, movsi): Likewise.
10071 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10073 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10075 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10077 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10078 ASM_OUTPUT_ASCII): Likewise.
10080 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
10081 output_mi_thunk, output_toc): Likewise.
10083 * rs6000/rs6000.md (movsi): Likewise.
10085 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
10087 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
10089 * v850/v850.c (print_operand, print_operand_address,
10090 v850_encode_data_area): Likewise.
10092 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
10094 * config/mips/mips.md (zero_extendsidi2): Always force operand
10095 one to memory for mips16.
10097 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10099 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
10100 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
10101 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
10102 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
10103 (min_precision): Result is unsigned.
10104 (add_double, neg_double, mul_double): Low word is unsigned.
10105 (lshift_double, rshift_double, lrotate_double): Likewise.
10106 (rrotate_double, div_and_round_double): Likewise.
10107 (tree_floor_log2, compare_tree_int): New functions.
10108 (preserve_rtl_expr_temps): New declaration.
10109 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
10110 (decl_attributes): Use tree_log2 to find alignment.
10111 Check for TREE_INT_CST_HIGH for format args.
10112 (min_precision): Now unsigned.
10113 Use tree_floor_log2.
10114 (truthvalue_conversion): Delete long-disabled code.
10115 * c-decl.c (finish_struct): Clean up tests on field width.
10116 (finish_function): Use compare_tree_int.
10117 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
10118 * c-typeck.c (comptypes): Use tree_int_cst_equal.
10119 (default_conversion, digest_init): Use compare_tree_int.
10120 (build_binary_op): Use integer_all_onesp and compare_tree_int.
10121 Fix type errors in forming masks.
10122 * calls.c (initialize_argument_information): Use compare_tree_int.
10123 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10124 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
10125 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
10126 (store_field): Use compare_tree_int.
10127 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
10128 (expand_expr, case ARRAY_REF): Use compare_tree_int.
10129 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
10130 (do_store_flag): Use compare_tree_int.
10131 * fold-const.c (encode, decode): Low part is always unsigned.
10132 (force_fit_type, add_double, neg_double, mul_double): Likewise.
10133 (lshift_double, rshift_double, lrotate_double): Likewise.
10134 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
10135 (fold_convert): Use compare_tree_int.
10136 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
10137 (invert_truthvalue, case INTEGER_CST): Likewise.
10138 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
10139 * mkdeps.c (deps_dummy_targets): Make I unsigned.
10140 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
10141 (lshift_double, rshift_double, lrotate_double, rrotate_double):
10143 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
10144 (expand_end_case): Use compare_tree_int.
10145 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10146 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
10147 (layout_decl): Likewise.
10148 (layout_record, layout_union): Make sizes unsigned.
10149 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
10150 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
10151 * tree.c (struct type_hash): hashcode is unsigned.
10152 (build_type_attribute_variant, type_hash_list): Likewise.
10153 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
10154 (attribute_hash_list, build_array_type, build_method_type): Likewise.
10155 (build_complex_type): Likewise.
10156 (real_value_from_int_cst): Remove unneeded casts.
10157 (integer_all_onesp): Add casts.
10158 (tree_floor_log2, compare_tree_int): New functions.
10159 (build_index_type): Use tree_int_cst_sgn.
10160 * varasm.c (assemble_variable): Use compare_tree_int.
10162 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
10164 * cpphash.c (collect_expansion): Also catch ## at start of macro.
10166 * varasm.c (make_decl_rtl): Don't add a number to members of
10168 (make_function_rtl): Likewise.
10170 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10172 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
10173 patch from 2000-01-28.
10175 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
10177 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
10178 filled with an insn from the jump target.
10180 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10182 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
10183 (c4x_external_ref): Likewise.
10184 * config/c4x/c4x.c (struct name_list): Likewise.
10186 1999-12-16 Ben Collins <bcollins@debian.org>
10188 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
10189 argument to genmultilib.
10190 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
10191 the contents into the multilib.h header.
10192 * gcc.c: Declare multilib_exclusions for the specs file.
10193 (set_multilib_dir): Use it.
10194 (print_multilib_info): Likewise.
10195 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
10196 to pass to genmultilib.
10198 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10200 * builtins.c (built_in_class_names, built_in_names): Constify a
10203 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
10205 (_mcleanup): Ensure value matches format specifier in sprintf.
10207 * cpphash.c (special_symbol): Don't needlessly cast away
10210 * cppinit.c (base_name): Delete unused prototype.
10212 * mkdeps.c (deps_init): Make definition K&R safe.
10214 * tree.h (built_in_class_names, built_in_names): Constify a
10217 2000-03-06 Jakub Jelinek <jakub@redhat.com>
10219 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
10220 floating point instructions for epilogue delay.
10222 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
10223 to gas if it supports .register pseudo.
10225 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
10226 LONG_DOUBLE_TYPE_SIZE if not defined.
10227 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
10228 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
10229 * real.c: Likewise.
10230 * gengenrtl.c: Likewise.
10231 * print-rtl.c: Likewise.
10233 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
10234 MASK_LONG_DOUBLE_128.
10235 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
10236 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
10237 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
10238 (SUBTARGET_SWITCHES): Define.
10239 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
10240 with -mlong-double-128.
10241 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10242 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10243 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10244 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
10245 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
10246 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
10247 with -mlong-double-128.
10248 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10249 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10250 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10251 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
10252 TARGET_LONG_DOUBLE_128): Define.
10253 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
10254 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
10255 long double on TARGET_ARCH64.
10257 2000-03-06 Mark Mitchell <mark@codesourcery.com>
10259 * function.c (free_temps_for_rtl_expr): Don't free slots
10260 that have been pushed into a higher level.
10263 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10265 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10267 * basic-block.h (ALLOCA_REG_SET): Remove.
10268 (INITIALIZE_REG_SET): New macro.
10269 * flow.c (update_life_info): Use it.
10270 (calculate_global_regs_live): Likewise.
10271 (propagate_block): Likewise.
10272 * global.c (build_insn_chain): Likewise.
10273 * haifa-sched.c (schedule_region): Likewise.
10275 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
10277 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
10278 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
10279 (DWARF_ARANGES_PAD_SIZE): New define.
10280 (output_aranges): Use it to pad the address range header.
10281 (DWARF_ROUND): Fix for non power of 2 rounding.
10283 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
10285 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
10287 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10289 * tree.def (RTL_EXPR): Update documentation.
10290 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
10291 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
10292 * function.c (preserve_rtl_expr_temp): New function.
10293 (preserve_rtl_expr_temps): Likewise.
10294 (preserve_rtl_expr_result): Use it.
10297 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10299 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
10301 * regmove.c (copy_src_to_dest) Do not create src->dest move
10302 for unchanging destination.
10304 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10306 * function.h (struct sequence_stack): Remove rtl_expr.
10307 (struct emit_staus): Likewise.
10308 (seq_rtl_expr): Remove.
10309 * tree.h (free_temps_for_rtl_expr): Don't declare.
10310 (start_sequence_for_rtl_expr): Likewise.
10311 * rtl.h (preserve_rtl_expr_result): Likewise.
10312 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10313 (start_sequence_for_rtl_expr): Remove.
10314 (push_topmost_sequence): Don't save sequence_rtl_expr.
10315 (pop_topmost_sequence): Remove comment about not restoring it.
10316 (end_sequence): Don't set seq_rtl_expr.
10317 (init_emit): Don't initialize it.
10318 (mark_sequence_stack): Don't mark it.
10319 (mark_emit_status): Likewise.
10320 * except.c (protect_with_terminate): Use
10321 start_sequence_for_rtl_expr, not start_sequence.
10322 * expr.c (expand_expr, case RTL_EXPR): Don't call
10323 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10324 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10325 (preserve_rtl_expr_result): Remove.
10326 (free_temps_for_rtl_expr): Likewise.
10327 (pop_temp_slots): Likewise.
10328 (mark_temp_slot): Don't mark the rtl_expr.
10329 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10330 start_sequence_for_rtl_expr.
10332 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10334 * mkdeps.c, mkdeps.h: New files.
10335 * po/POTFILES.in: Add them.
10336 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10337 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10338 (mkdeps.o): New target.
10340 * cppfiles.c: Delete deps_output.
10341 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10342 OBJECT_SUFFIX, and base_name.
10343 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10345 (initialize_dependency_output): Use deps_init,
10346 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10347 all the unnecessary string bashing.
10348 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10350 * cpplib.c (do_include): Use deps_add_dep.
10351 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10352 deps_allocated_size, deps_size, deps_column members with
10353 single pointer to a struct deps. Delete prototype of
10356 * cppinit.c: Fix thinko in previous patch.
10358 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10360 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10361 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10362 (mode_for_size_tree): New function.
10363 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10364 * tree.h (mode_for_size_tree): New declaration.
10366 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10368 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10370 * stmt.c (is_body_block): Move...
10371 * dwarfout.c, dwarf2out.c: ...from here.
10372 * tree.h: Declare it.
10373 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10374 * final.c (final_start_function): Do call remove_unnecessary_notes
10377 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10379 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10381 * cpplib.h (_dollar_ok): New macro.
10382 (is_idchar, is_idstart): Use it.
10383 (IStable): Rename to _cpp_IStable. Declare it const if
10384 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10385 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10386 is_space): Update for renamed IStable.
10388 * cppinit.c: Delete all references to FAKE_CONST and CAT
10389 macros. Define init_IStable as empty macro if gcc >=2.7 or
10390 C99. Change TABLE() to ISTABLE and hardcode name of table.
10391 (cpp_start_read): Don't change the IStable based on
10394 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10395 changed. Handle '$' for char1 correctly.
10396 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10398 * cppexp.c (tokentab2): Make const.
10399 (cpp_lex): Make toktab const.
10400 * cppinit.c (include_defaults_array): Make const.
10401 (initialize_standard_includes): Make default_include const.
10403 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10405 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10406 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10407 (gen_decl_die): Likewise.
10408 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10409 (output_decl): Likewise.
10411 * varasm.c (make_function_rtl): If we change the name used in the
10412 rtl, update DECL_ASSEMBLER_NAME accordingly.
10413 (make_decl_rtl): Likewise.
10415 * toplev.c (rest_of_compilation): Tweak formatting.
10417 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10418 remove_unnecessary_notes.
10419 (debug_ignore_block): New fn.
10420 * toplev.h: Declare it.
10421 * emit-rtl.c (remove_unncessary_notes): Call it.
10422 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10423 * dwarf2out.h: Declare it.
10424 * final.c (final_start_function): Don't call remove_unnecessary_notes
10425 if we did insn scheduling.
10427 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10429 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10430 * cpplib.h: Delete SET_CPP_PEDANTIC.
10432 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10434 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10435 result is a RECORD_TYPE.
10437 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10439 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10441 2000-03-03 Richard Henderson <rth@cygnus.com>
10443 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10444 addition over compliments over shifts.
10446 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10448 * reload1.c (reload_combine_note_use): Handle return register USEs.
10449 REG case: Handle multi-hard-register hard regs.
10451 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10453 * md.texi: Document use of '*' in insn pattern name.
10455 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10457 * calls.c (special_function_p): operator new may not be malloc-like.
10459 * gcse.c (dump_hash_table): Really fix error in last change.
10461 2000-03-02 Denis Chertykov <denisc@overta.ru>
10463 * avr.c (print_operand): Use print_operand_address instead of
10465 * avr/libgcc.S: Cleanup code.
10467 2000-03-02 Richard Henderson <rth@cygnus.com>
10469 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10471 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10473 * tree.h (TYPE_ALIGN_UNIT): New macro.
10475 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10477 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10479 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10481 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10483 (SET_CPP_PEDANTIC): New macro.
10484 * cpplib.c (do_include): Don't bother checking system_header_p.
10485 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10486 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10488 * function.h (struct expr_status): Add x_arg_space_so_far.
10489 (arg_space_so_far): New macro.
10490 * expr.c (init_expr): Initialize it.
10491 * calls.c (emit_call_1): Reset it.
10492 (compute_argument_block_size, expand_call): Use it.
10493 (expand_call, store_one_arg): Increment it.
10495 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10497 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10500 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10502 * cppfiles.c (cpp_read_file): New function.
10504 * cpphash.c (collect_expansion): Make sure to reset last_token
10505 to NORM when we hit a string. Handle trailing whitespace
10506 properly when the expansion is empty.
10507 (create_definition): Disable line commands while parsing the
10509 (dump_definition): If pfile->lineno == 0, output a line
10510 command ahead of the dump, and add a trailing newline.
10512 * cppinit.c (append_include_chain): Add fifth argument, which
10513 indicates whether or not system headers are C++ aware.
10514 (initialize_standard_includes): New function,
10515 broken out of read_and_prescan. Pass 'cxx_aware' value from
10516 the include_defaults_array on to append_include_chain.
10517 (dump_special_to_buffer): Const-ify char array.
10518 (builtin_array): Don't dump __BASE_FILE__.
10519 (cpp_start_read): Use cpp_read_file. Reorder code for
10520 clarity. Don't output line commands here for -D/-A/-U
10521 switches. Don't call deps_output for files included with
10522 -include or -imacros.
10524 * cpplib.c (do_define): Don't pay any attention to the second
10526 (cpp_expand_to_buffer): Disable line commands while scanning.
10527 (output_line_command): Work in the file buffer.
10528 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10529 Fix formatting of comments. Prototype cpp_read_file.
10531 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10533 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10534 reference the language-equivalent of sizetype.
10535 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10536 * fold-const.c (size_binop, size_diffop): Put back checks.
10537 * gcse.c (dump_hash_table): Fix minor error in last change.
10538 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10539 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10542 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10544 * calls.c (expand_call) Do not attempt to combine stack adjustments
10545 with inhibit_defer_pop set.
10547 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10549 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10550 the DECL_SIZE for a FIELD_DECL.
10552 2000-03-01 Bruce Korb <bkorb@gnu.org>
10554 * fixinc/inclhack.tpl: remove unused symlinks
10555 * fixinc/README: GCC Maintainer info
10556 * fixinc/inclhack.sh: regen
10557 * fixinc/fixincl.sh: regen
10559 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10561 * cpphash.c (collect_expansion): Trim trailing white space
10562 from macro definitions, but don't go past the last insertion
10565 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10567 * i386.md (mulqi3): New pattern.
10569 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10571 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10573 (struct cpp_reader): Add parsing_if_directive and
10574 parsing_define_directive flags.
10575 (struct cpp_options): Remove output_conditionals flag.
10576 (check_macro_name): Delete prototype.
10578 * cpphash.h (struct macrodef): Delete.
10579 (struct reflist): Separate from struct definition.
10580 (struct definition): Remove unused fields. Add column number.
10581 (create_definition): Returns a DEFINITION *. Takes a
10582 cpp_reader * and an int.
10584 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10585 (PEEKC): Copy defn from cpplib.c.
10586 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10588 (struct arglist): Simplify.
10589 (collect_expansion): Rewrite. Get tokens by calling
10590 cpp_get_token. Add more error checking.
10591 (collect_formal_parameters): New function, broken out of
10592 create_definition and reworked to use get_directive_token.
10593 (create_definition): All real work is now in collect_expansion
10594 and collect_formal_parameters. do_define handles finding the
10595 macro name. Return a DEFINITION, not a MACRODEF.
10596 (macroexpand): Replace bcopy with memcpy throughout. Replace
10597 character-at-a-time copy loop with memcpy and pointer increments.
10598 (compare-defs): d1->argnames / d2->argnames might be null.
10600 * cpplib.c (copy_rest_of_line): Delete function.
10601 (skip_rest_of_line): Do all the work ourselves.
10602 (skip_string): New function.
10603 (parse_string): Use skip_string.
10604 (get_macro_name): New function.
10605 (check_macro_name): Delete.
10606 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10607 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10608 (handle_directive): ICE if we're called on a macro buffer.
10609 (do_define): Determine macro name and type (funlike/objlike)
10610 here. Expunge all uses of MACRODEF.
10611 (cpp_push_buffer): Set line_base to NULL.
10612 (do_undef, read_line_number): Don't worry about getting a POP token.
10613 (eval_if_expression): Set/reset parsing_if_directive around
10614 cpp_parse_expr. Don't clear only_seen_white.
10615 (skip_if_group): Remove output_conditionals logic. Use
10617 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10618 tokens under appropriate conditions.
10619 (cpp_unassert): Call do_unassert not do_assert. Oops.
10621 * cppexp.c (parse_defined): New function, break out of
10623 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10624 ourselves, with cpp_defined.
10625 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10627 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10628 * gcc.dg/strpaste-2.c: New.
10630 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10632 * fold-const.c (size_binop): Don't asert inputs are the same and
10633 have TYPE_IS_SIZETYPE set.
10634 (size_diffop): Likewise.
10636 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10638 * dwarfout.c (output_block): Output abstract blocks even if they
10639 don't have TREE_ASM_WRITTEN set.
10641 * calls.c (emit_library_call): Check for null REG.
10643 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10645 * c-decl.c (current_function_decl): Move to toplev.c.
10646 (init_decl_processing): Don't add current_function_decl as a ggc
10648 * dbxout.c (dbxout_symbol): Change return type to int.
10649 (dbxout_symbol_location, dbxout_syms): Likewise.
10650 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10651 any locals. Use current_function_func_begin_label if set.
10652 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10653 * dwarf2out.c (dwarf2out_begin_prologue): Set
10654 current_function_func_begin_label.
10655 * final.c (final_start_function): Reset it.
10656 * toplev.c (current_function_decl): Define it here.
10657 (current_function_func_begin_label): New variable.
10658 (main): Add both as ggc roots.
10659 * tree.h (current_function_func_begin_label): Declare.
10661 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10663 * gcse.c: Cleanups throughout: mostly white-space, but also
10664 some minor rearrangement of code.
10666 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10668 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10669 returns a PARALLEL. Use emit_group_load and use_group_regs
10671 (emit_library_call_value): Similarly.
10673 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10674 * pa/quadlib.asm: Remove.
10675 * pa/quadlib.c: New file.
10677 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10678 * configure: Rebuilt.
10680 2000-02-29 Philip Blundell <pb@futuretv.com>
10682 * config/arm/conix-elf.h: New file.
10683 * configure.in (arm*-*-conix*): New configuration.
10684 * configure: Regenerate.
10686 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10688 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10689 don't have TREE_ASM_WRITTEN set.
10691 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10693 * Eliminate DECL_FIELD_SIZE.
10694 * builtins.c (built_in_class_names, built_in_names): New variables.
10695 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10696 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10697 DECL_SIZE, not DECL_FIELD_SIZE.
10698 * print-tree.c (print_node): Remove code that prints extra blank
10699 lines in some cases.
10700 Properly handle inline and builtin function cases.
10701 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10702 * tree.h (built_in_class_named, built_in_names): New declarations.
10703 (union tree_decl): Rename internal unions to u1 and u2 and change
10704 some of their components.
10705 Add new field built_in_class.
10706 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10707 Reflect above changes.
10708 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10709 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10710 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10711 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10713 2000-02-28 Dmitri Makarov <dim@windriver.com>
10715 * extend.texi: Document ARM's support for long/short calls.
10717 * invoke.texi: Document ARM's -mlong-calls command line switch.
10719 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10720 (arm_encode_call_attribute): Add prototype.
10721 (arm_set_default_type_attribute): Add prototype.
10722 (arm_strip_name_encoding): Add prototype.
10724 * config/arm/arm.c (arm_init_cumulative_args): replace
10725 initialisation og 'long_calls' field with initialisation of
10726 'call_cookie' field.
10727 (enum arm_pragma_enum): New enum.
10728 (arm_pragma_long_calls): New static variable.
10729 (arm_process_pragma): Also process "#pragma long_calls_off".
10730 (arm_valid_type_attribute_p): Accept short_call attribute.
10731 (arm_comp_type_attributes): Check long/short call attributes.
10732 (arm_encode_call_attribute): New function: Encode long_call
10733 or short_call attribute in function name.
10734 (arm_set_default_type_attributes): New function: Assign
10735 default attributes to newly defined type.
10736 (current_file_function_operand): New function: Return true if
10737 the symbol is a function which has already been compiled.
10738 (arm_is_longcall_p): New function: Return true if the
10739 indicated function should be called via a long call.
10740 (arm_get_strip_length): New function. Returns number of
10741 prefix characters to be stripped from a function's name.
10742 (arm_strip_name_encoding): New function. Strip prefix characters
10743 from a function's name.
10745 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10746 with 'call_cookie'.
10747 (SHORT_CALL_FAG_CHAR): Define.
10748 (LONG_CALL_FAG_CHAR): Define.
10749 (ENCODED_SHORT_CALL_ATTR_P): Define.
10750 (ENCODED_LONG_CALL_ATTR_P): Define.
10751 (ARM_NAME_ENCODING_LENGTHS): Define.
10752 (STRIP_NAME_ENCODING): Define.
10753 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10754 (ARM_ENCODE_CALL_TYPE): Define.
10755 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
10756 (ARM_DECLARE_FUNCTION_SIZE): Define.
10757 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
10759 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
10760 if a long call is needed.
10761 (call_value): Ditto.
10762 (call_symbol): Ditto.
10764 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
10765 ARM_DECLARE_FUNCTION_SIZE.
10767 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
10768 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
10769 (ARM_STRIP_NAME_ENCODING): Undefine.
10770 (STRIP_NAME_ENCODING): Undefine.
10771 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
10772 (ASM_DECLARE_FUNCTION_NAME): Ditto.
10773 (ASM_OUTPUT_COMMON): Ditto.
10774 (ASM_DECLARE_OBJECT_NAME): Ditto.
10776 * config/arm/pe.c (arm_dllexport_name_p): Check for
10778 (arm_dllimport_name_p): Ditto.
10779 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
10780 (arm_mark_dllimport): Ditto.
10782 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10784 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
10786 2000-02-28 Mark Mitchell <mark@codesourcery.com>
10788 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
10790 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
10792 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
10793 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
10794 NO_BUILTIN_WCHAR_TYPE is not defined.
10795 (CPP_WCHAR_TYPE): Delete.
10796 * cccp.c (main): Don't change wchar_type if cplusplus.
10797 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
10799 2000-02-28 Nick Clifton <nickc@cygnus.com>
10801 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
10803 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
10805 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
10806 (ASM_WEAKEN_LABEL): Define.
10808 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
10810 * expr.c (store_constructor): Do not emit USE.
10811 * rtl.h (stupid_life_analysis): Remove.
10813 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10815 * function.c (number_blocks): Reset next_block_index based on
10816 what debugging format is used, not what is defined.
10818 * lcm.c: Minor reformatting throughout.
10819 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
10821 * toplev.c (rest_of_compilation): Account for time in
10822 optimize_mode_switching.
10824 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
10825 if only marking labels.
10827 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
10829 * calls.c (expand_call): Attempt to combine stack adjustments with
10830 pending stack adjustments.
10832 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10834 * loop.c (reg_in_basic_block_p): Don't abort when falling through
10835 to the end of the function.
10837 2000-02-27 Mark Mitchell <mark@codesourcery.com>
10839 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
10841 * final.c (next_block_index): Remove.
10842 (max_block_depth): Likewise.
10843 (pending_blocks): Likewise.
10844 (init_final): Don't initialize them.
10845 (final_start_function): Don't set next_block_index. Set up
10847 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
10848 * function.h (number_blocks): New function.
10849 * function.c (get_block_vector): New function.
10850 (identify_blocks): Use it.
10851 (reorder_blocks): Set NOTE_BLOCK.
10852 (number_blocks): New function.
10853 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
10854 * tree.h (BLOCK_NUMBER): New macro.
10855 (tree_block): Add block_num field.
10856 * dbxout.c (next_block_number): Remove.
10857 (dbxout_init): Don't set it.
10858 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
10859 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
10861 * toplev.c (rest_of_compilation): Always call
10862 find_loop_tree_blocks. Fix indentation.
10863 * dwarf2out.c (next_block_number): Remove.
10864 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10865 to determine block numbers.
10866 (gen_inlined_subroutine_die): Likewise.
10867 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
10868 (decls_for_scope): Don't increment next_block_number.
10869 * dwarfout.c (next_block_number): Remove.
10870 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10871 to determine block numbers.
10872 (output_inlined_subroutine_die): Likewise.
10873 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
10874 (output_decls_for_scope): Don't increment next_block_number.
10875 * sdbout.c (next_block_number): Remove.
10876 (sdbout_block): Use BLOCK_NUMBER.
10877 (sdbout_begin_block): Simplify.
10878 * xcoffout.c (next_block_number): Remove.
10879 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
10880 (xcoffout_begin_block): Don't set next_block_number.
10881 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
10884 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10886 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
10887 (expand_builtin_strcpy): Pass correct type to size_binop.
10888 (expand_builtin_strcmp): Likewise.
10889 Clean up conditional structure.
10890 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
10891 (complete_array_type): Don't use size_binop for MAXINDEX.
10892 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
10893 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
10894 (c_alignof): Use size_one_node.
10895 (build_unary_op): Pass arg of proper type to size_binop.
10896 (really_start_incremental_init, push_init_level): Use sizetype for
10897 constructor{,_bit,_unfilled}_index.
10898 (pop_init_label, output_init_element): Likewise.
10899 (output_pending_init_elements, process_init_element): Likewise.
10900 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
10901 * expr.c (store_expr): Use size_int.
10902 (store_constructor): Use proper types for size_binop args.
10903 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
10904 (expand_expr_unaligned): Likewise.
10905 (string_contant): Return object of sizetype.
10906 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
10907 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
10908 (ARGS_SIZE_TREE): Pass proper types to size_binop.
10909 * fold-const.c (int_const_binop): Refine when size_int is called.
10910 (fold_convert): Likewise.
10911 (size_int_wide): Rework to take KIND as arg, only take low order
10912 bits, handle new sizetype_tab datatype, and chain entries in
10914 (size_int_type_wide): New function.
10915 (size_binop): Validate types of arguments.
10916 (ssize_binop): Deleted.
10917 (size_diffop): New function.
10918 (extract_muldiv): Only fold division into multiplication for sizetypes.
10919 * function.c (assign_parms): Use size_diffop and make sure
10920 VAR field is of ssizetype; also pass proper type to size_binop.
10921 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
10922 (round_down): Deleted from here.
10923 * store-layout.c (sizetype_tab): Now an array.
10924 (sizetype_set, early_root_list): New variables.
10925 (variable_size): Use size_one_node.
10926 (round_up): Pass proper type to size_binop.
10927 (round_down): Moved to here and corrected as above.
10928 (layout_record): Pass proper arg types to size_binop.
10929 (layout_type): Likewise.
10930 If sizetype_set is zero, record the type just laid out.
10931 (make_unsigned_type): Don't call set_sizetype;
10932 (make_signed_type): Likewise; also, call fixup_signed_type.
10933 (initialize_sizetypes): New function.
10934 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
10935 set name of bitsizetype to "bit_size_type".
10936 Fix up type of sizes of all types made before call.
10937 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
10938 * tree.c (fix_sizetype): Deleted.
10939 (build_common_tree_nodes): Call initialize_sizetypes.
10940 (build_common_tree_nodes_2): Don't call fix_sizetype.
10941 * tree.h (TYPE_IS_SIZETYPE): New macro.
10942 (initialize_sizetype): New declaration.
10943 (enum size_type_kind): New type.
10944 (struct sizetype_tab): Deleted.
10945 (sizetype_tab): Now array; adjust sizetype macros.
10946 (size_diffop, size_int_type_wide): New functions.
10947 (size_int_wide): Change number of args and type; access macros changed.
10948 (ssize_int, sbitsize_int): New macros.
10949 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
10950 (ROUND_TYPE_SIZE_UNIT): New macro.
10952 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
10954 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
10956 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10958 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
10959 Mark as possibly unused.
10961 * cse.c (cse_insn): Delete dead code involving tablejump.
10962 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
10964 * Makefile.in (libcpp.a): Start by deleting it.
10966 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10968 * cpplib.h (enum file_change_code): Added rename_file.
10969 * cpplib.c (do_line): If a filename is given, set file_change to
10971 (output_line_command): If file_change is rename_file, always
10972 output a # directive with the file name.
10974 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
10976 2000-02-26 Mark Mitchell <mark@codesourcery.com>
10978 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
10979 when copying a PARM_DECL or RESULT_DECL.
10981 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10983 * fix-header.c (recognized_function): Also fix prototypes for
10984 functions taking "void".
10986 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10988 * reload1.c (do_output_reload): Check reg_reloaded_valid before
10989 looking at reg_reloaded_contents.
10991 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
10993 * Makefile.in (STMP_FIXINC): New toggle.
10994 (LIBGCC2_DEPS): Delete all references.
10995 (stmp-headers): Delete target. All references either deleted
10996 or changed to stmp-int-headers.
10997 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
10998 (LIBCPP_OBJS): Take out cppalloc.o.
10999 (cppalloc.o): Delete target.
11000 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
11001 (gen-protos, fix-header): Link with libiberty.a.
11002 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
11005 * configure.in: Remove refs to strerror.
11006 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
11007 * system.h: Take out strerror stanza.
11009 * cpperror.c (my_strerror): Delete function.
11010 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
11011 * cppmain.c (main): Call xmalloc_set_program_name first thing.
11012 * cppalloc.c: Delete file.
11013 * gen-protos.c: Don't provide xrealloc.
11015 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
11016 xstrerror throughout.
11018 2000-02-26 Bruce Korb <bkorb@gnu.org>
11020 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
11021 match for DOS headers, too.
11022 * fixinc/inclhack.sh,fixincl.x: Regenerate.
11024 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11026 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
11027 is right for most ELF targets.
11028 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
11029 Let the default file use %U properly.
11030 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
11033 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
11036 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11038 * toplev.c (documented_lang_options): Correct spelling error.
11039 (decode_d_option, decode_f_option, main): Likewise.
11041 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
11043 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
11044 to tell assembler it is permitted to expand large constants.
11046 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
11048 * protoize.c: (AUX_INFO_SUFFIX): New macro.
11049 (aux_info_suffix): Use.
11050 (SAVE_SUFFIX): New macro.
11051 (save_suffix): Use.
11052 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
11053 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
11054 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
11056 * invoke.texi (Running Protoize): Update documentation.
11058 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
11060 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
11062 2000-02-25 John Wehle (john@feith.com)
11064 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
11066 2000-02-25 Anthony Green <green@cygnus.com>
11068 * toplev.c (rest_of_compilation): Rebuild jump labels if
11069 combine_instructions has created a new direct jump.
11070 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
11072 (combine_instructions): Call try_combine with new argument.
11073 Return non-null value when new direct jump instruction is created.
11074 * rtl.h: combine_instructions returns an int.
11076 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
11078 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
11079 jump when changing a computed jump into a jump to a known
11082 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
11084 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
11085 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
11087 * i386.md (define_expand "clrstrsi"): Fix typo.
11089 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
11091 * rtl.texi: Fix typo.
11093 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11095 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
11096 UNITS_PER_WORD. Change caller initial_elimination_offset.
11097 (rounded_frame_size): Take into account that argument pushed has
11098 changed. Fix TARGET_ALIGN_DOUBLE problem.
11100 2000-02-25 Geoff Keating <geoffk@cygnus.com>
11102 * haifa-sched.c (schedule_block): Explain the real reason
11103 we delete REG_SAVE_NOTEs on the first insn of a block.
11104 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
11106 2000-02-24 Mark Mitchell <mark@codesourcery.com>
11108 * input.h (push_srcloc): New function.
11109 (pop_srcloc): Likewise.
11110 * toplev.c (push_srcloc): Define it.
11111 (pop_srcloc): Likewise.
11113 2000-02-24 Richard Henderson <rth@cygnus.com>
11115 * flow.c (life_analysis): When collecting reg info, clear
11118 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11120 Fix bug exposed by reload.c no longer rounding the frame
11121 size to BIGGEST_ALIGNMENT:
11122 * sh.c (rounded_frame_size): New function.
11123 (sh_expand_prologue, sh_expand_epilogue): Use it.
11124 (initial_elimination_offset): Likewise.
11126 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11128 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
11129 * sh-protos.h (sh_need_epilogue): Declare.
11130 * sh.c (sh_need_epilogue_known): New static variable.
11131 (sh_need_epilogue): New function.
11132 (function_epilogue): Clear need_epilogue_known.
11133 * sh.md (return): Split into expander / insn pattern.
11134 Make the expander conditional on ! sh_need_epilogue ().
11136 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
11138 * machmode.h (get_mode_alignment): Declare.
11139 (GET_MODE_ALIGNMENT): Call it.
11140 * stor-layout.c (get_mode_alignment): New function. Make
11141 sure alignment is always power of 2.
11143 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11145 * i386.h: Remove useless definition of "I386" and misleading
11148 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11150 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
11151 under which TREE_PERMANENT will be set.
11152 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
11153 build1): Use TREE_SET_PERMANENT.
11154 * print-tree.c (print_node): Don't report value of
11155 TREE_PERMANENT if ggc_p is true.
11157 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
11158 decide whether to give a type a new alias set.
11159 * objc/objc-act.c (build_objc_string_object): Never copy the string.
11160 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
11161 of value of 'obstack'.
11164 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11166 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
11168 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11170 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
11171 * cpplib.c (cpp_get_token): Produce them.
11172 * cppexp.c (cpp_lex): Handle them.
11174 2000-02-23 Nick Clifton <nickc@cygnus.com>
11176 * config/arm/arm.c (arm_comp_type_attributes): Simply and
11177 comment tests on type attributes.
11179 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11181 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
11182 conform to documentation.
11183 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
11184 to check for special cases.
11185 * sh-protos.h (sh_loop_align): Declare.
11186 * sh.c (sh_loop_align): Define.
11188 2000-02-22 Andrew Haley <aph@cygnus.com>
11190 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
11191 (SIZE_TYPE): Is 32 bits when using -mgp32.
11192 (PTRDIFF_TYPE): Ditto.
11194 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11196 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
11198 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11200 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
11201 BIGGEST_FIELD_ALIGNMENT a constant.
11203 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
11205 * dwarf2out.c (output_line_info): Put the marker for the end of
11206 the line number info at the actual end.
11207 (gen_struct_or_union_type_die): Use decl_function_context
11208 to check for local classes.
11209 * dwarfout.c (output_type): Likewise.
11211 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
11213 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
11214 for arguments with a mode, but no type.
11215 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
11216 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
11217 * pa/long_double.h: New file.
11218 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
11219 both have 128bit wide long doubles.
11220 * configure: Rebuilt.
11222 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11224 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
11226 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
11227 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
11228 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
11230 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
11232 * integrate.c (compare_blocks, find_block): Likewise.
11234 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
11236 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
11238 * stmt.c (stmt_status, set_file_and_line_for_stmt,
11239 expand_asm_operands): Likewise.
11241 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
11243 * predict.c (estimate_probability): Added the pointer heuristic to
11244 the collection of static branch predictors.
11246 2000-02-21 Catherine Moore <clm@cygnus.com>
11248 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
11249 * invoke.texi (-mfix7000): Document.
11251 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
11253 * diagnostic.c (init_output_buffer): Make it possible to output at
11254 least 32 characters if we're given a too long prefix.
11256 2000-02-20 Mark Mitchell <mark@codesourcery.com>
11258 * varasm.c (initializer_constant_valid_p): Call
11259 lang_expand_constant to simplify the constant.
11261 2000-02-20 Bruce Korb <bkorb@gnu.org>
11263 * fixinc/inclhack.def(stdio_va_list):
11264 typedef needs to be disabled.
11265 * fixinc/inclhack.sh: regen
11266 * fixinc/fixincl.x: regen
11268 2000-02-20 Geoff Keating <geoffk@cygnus.com>
11270 * print-rtl.c (print_rtx): Don't print addresses when
11271 flag_dump_unnumbered.
11273 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11275 * sparc.c (sparc_output_scratch_registers): Mark parameter with
11277 (sparc_va_arg, sparc_flat_output_function_prologue,
11278 sparc_flat_output_function_epilogue): Cast value to unsigned in
11280 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
11282 * sparc.md: Add default case in switch.
11284 2000-02-19 Richard Henderson <rth@cygnus.com>
11286 * c-typeck.c (add_pending_init): Don't abort for multiple
11287 fields at the same offset.
11288 (pending_init_member): Test the correct member.
11290 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11292 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
11294 (start_catch_handler) : Same.
11296 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
11298 * Makefile.in: Have flow.o depend on $(EXPR_H)
11300 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11302 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
11303 * c-decl.c (duplicate_decls, finish_enum): Likewise.
11304 (finish_decl): Remove -Wlarger-than code from here.
11305 * flags.h (id_clash_len): Now int.
11306 (larger_than_size): Now HOST_WIDE_INT.
11307 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11308 Clean up checking to see if in table.
11309 (make_bit_field_ref): Remove extra parm to bitsize_int.
11310 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11311 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11312 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11313 and for computing size of decl.
11314 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11315 Move -Wlarger-than code to here.
11316 (layout_record): Remove extra arg to bitsize_int.
11317 Set TYPE_BINFO_SIZE_UNIT.
11318 (layout_union): Remove extra arg to bitsize_int.
11319 Use proper type for size of QUAL_UNION.
11320 (layout_type): Remove extra arg to bitsize_int.
11321 * toplev.c (id_clash_len): Now int.
11322 (larger_than_size): Now HOST_WIDE_INT.
11323 (decode_W_option): Clean up id-clash and larger-than- cases.
11324 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11325 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11326 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11327 (struct tree_decl): New field size_unit.
11328 (size_int_wide): No HIGH operand; NUMBER is now signed.
11329 (size_int_2): Deleted.
11330 (size_int, bitsize_int): Don't use it and rework args.
11331 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11333 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11335 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11337 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11339 * invoke.texi (Warning Options): Add an explanation of why
11340 you might want the -Wfloat-equal flag.
11342 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11344 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11345 * cppinit.c (new_pending_define): Add cast to avoid warning.
11346 * expmed.c (extract_bit_field): Likewise.
11347 * flow.c (enum reorder_skip_type): New type.
11348 (skip_insns_between_blcok): New it.
11349 Rework to avoid warning about possibly undefined variable.
11350 * function.c (assign_parms): Make thisparm_boundary unsigned.
11351 * genrecog.c (write_switch): Cast XWINT result to int.
11352 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11353 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11354 one for MIPS and one for Alpha.
11355 (get_tag, copy_object): Add casts to avoid warnings.
11356 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11357 * reload.c (find_reloads): Make TYPE enum reload_type.
11358 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11359 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11360 * varasm.c (compare_constant_1): Add cast to avoid warning.
11361 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11363 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11364 Cast switch operand of size to int.
11365 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11366 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11369 2000-02-18 Nick Clifton <nickc@cygnus.com>
11371 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11372 anything for an alignment of zero.
11374 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11375 anything for an alignment of zero.
11377 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11379 * gcc.texi (Bug Reporting): Refer to bugs.html.
11380 (Bug Lists): Likewise.
11381 * system.h (GCCBUGURL): New preprocessor define.
11382 * rtl.c (fancy_abort): Use it.
11383 * gcc.c (main): Likewise.
11385 2000-02-18 Richard Henderson <rth@cygnus.com>
11387 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11388 (life_analysis_1): Subsume into ...
11389 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11390 Use update_life_info for the relaxation.
11391 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11392 entry and regs_live_at_setjmp.
11393 (set_noop_p): Simplify.
11394 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11395 (record_volatile_insns): Split into ...
11396 (delete_noop_moves): ... here,
11397 (notice_stack_pointer_modification): ... here,
11398 (insn_dead_p): ... and here.
11399 (propagate_block): Don't query INSN_VOLATILE.
11400 (mark_used_regs): Mind !PROP_REG_INFO.
11401 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11402 not in life_analysis.
11404 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11406 * loop.c (canonicalize_condition): New function,
11407 broken out of get_condition.
11408 (get_condition): Use it.
11409 * expr.h (canonicalize_condition): Prototype it.
11411 * tree.h (tree_int_cst_msb): Declare.
11412 * tree.c (tree_int_cst_msb): New function.
11414 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11416 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11419 * invoke.texi (-fmessage-length=n): Document.
11421 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11423 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11425 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11427 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11428 after the prologue.
11430 2000-02-17 Nick Clifton <nickc@cygnus.com>
11432 * config/arm/thumb.c: Replace includes of system headers with
11433 #include "system.h".
11435 2000-02-16 Richard Henderson <rth@cygnus.com>
11437 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11438 Add crtbeginS.o and crtendS.o.
11439 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11440 (ENDFILE_SPEC): Use crtendS.o.
11441 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11443 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11444 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11445 shared and present.
11446 (__dso_handle): New variable.
11447 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11448 bias to __CTOR_END__.
11450 2000-02-16 Richard Henderson <rth@cygnus.com>
11452 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11454 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11456 * longlong.h (__clz_tab): Declare as static to match definition.
11458 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11460 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11461 (XREF_FILE_NAME): Define.
11463 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11464 (EH_FRAME_SECTION_ASM_OP): Define.
11465 (IDENT_ASM_OP): Define.
11466 (TEXT_SECTION_ASM_OP): Define.
11467 (CPP_SPEC): Define.
11468 (CTORS_SECTION_ASM_OP): Define.
11469 (CTOR_SECTION_FUNCTION): Use it.
11470 (DTORS_SECTION_ASM_OP): Define.
11471 (DTOR_SECTION_FUNCTION): Use it.
11473 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11475 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11478 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11479 debug_bb_n): New functions.
11480 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11481 * basic-block.h: Prototype new functions.
11483 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11485 * configure.in: Add support for avr target.
11486 * configure: Rebuilt.
11488 * invoke.texi: Add AVR invocation docs.
11489 * install.texi: Add information about AVR.
11490 * md.texi: Add AVR constraint letters description.
11491 * extend.texi: Add description for AVR specific attributes.
11493 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11495 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11497 2000-02-16 Nick Clifton <nickc@cygnus.com>
11499 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11500 (make_insn_raw): Move RTL check here.
11502 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11504 * version.c: Include gansidecl.h and version.h.
11506 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11508 * configure.in (gcc_version): When setting, narrow search to
11509 lines containing `version_string'.
11511 * Makefile.in (mainversion): Likewise.
11512 (GCC_H): New variable.
11513 (gcc.h): Delete target.
11514 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11515 (version.o): Depend on version.h.
11516 (dbxout.o): Don't depend on gcc.h.
11518 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11519 Michael Meissner <meissner@cygnus.com>
11521 * md.texi (Simple Constraints): Add item about whitespace.
11522 * genoutput.c (strip_whitespace): New.
11523 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11524 strip_whitespace for constraints.
11525 Test pointer using NULL, not 0.
11527 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11529 * cpplib.c (do_line): Pedwarn for #line > 32767.
11531 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11533 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11535 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11536 to default cpp spec.
11537 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11538 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11541 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11544 2000-02-15 Denis Chertykov <denisc@overta.ru>
11546 * configure.in: Add support for avr target.
11548 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11550 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11551 (sh_addr_diff_vec_mode): Don't declare.
11552 * sh.c (sh_addr_diff_vec_mode): Delete.
11554 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11556 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11558 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11560 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11561 (smulsi3_highpart_i): Name.
11562 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11563 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11564 (smulsi3_highpart, umulsi3_highpart): Likewise.
11566 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11567 correctly independent of endianness.
11568 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11569 confuse the optimizers.
11570 (mulsidi3+1, umulsidi3+1): New define_split.
11572 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11574 * config/sh/sh.md: Guard insn splits against illegal registers.
11575 * config/sh/sh.h: Correct comment about macros.
11577 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11578 Andrew MacLeod <amacleod@cygnus.com>
11580 * Makefile.in (lcm.o): Depend on insn-attr.h.
11581 * basic-block.h (optimize_mode_switching): Declare.
11582 * lcm.c (tm_p.h, insn-attr.h): #include.
11583 (seginfo, bb_info): New structs.
11584 (antic, transp, comp, delete, insert) : New file-scope static variables.
11585 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11586 (reg_becomes_live, optimize_mode_switching): Likewise.
11587 * tm.texi: Add description of mode switching macros.
11588 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11590 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11591 (fldi_ok, fpscr_set_from_mem): New prototypes.
11592 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11593 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11594 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11595 (sh_flag_remove_dead_before_cse): Remove declaration.
11596 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11597 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11598 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11599 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11600 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11601 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11602 (fldi_ok): New function.
11603 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11604 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11605 (emit_df_insn): Likewise.
11606 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11607 (sh_flag_remove_dead_before_cse): Delete.
11608 (get_free_reg, fpscr_set_from_mem): New functions.
11609 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11610 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11612 2000-02-15 Loren Rittle <ljrittle@acm.org>
11614 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11616 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11618 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11619 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11621 * cccp.c: Include version.h and/or don't declare `version_string'.
11622 * collect2.c: Likewise.
11623 * alpha.c: Likewise.
11624 * arm/aof.h: Likewise.
11625 * arm/coff.h: Likewise.
11626 * arm/elf.h: Likewise.
11627 * arm/pe.h: Likewise.
11628 * arm/tcoff.h: Likewise.
11629 * arm/telf.h: Likewise.
11630 * arm/tpe.h: Likewise.
11631 * arm/vxarm.h: Likewise.
11632 * convex/convex.c: Likewise.
11633 * i386/dgux.c: Likewise.
11634 * i386/sun386.h: Likewise.
11635 * m88k/m88k.c: Likewise.
11636 * mcore/mcore-pe.h: Likewise.
11637 * mips/mips.h: Likewise.
11638 * romp/romp.h: Likewise.
11639 * sh/sh.c: Likewise.
11640 * cpphash.c: Likewise.
11641 * cppinit.c: Likewise.
11642 * dwarf2out.c: Likewise.
11643 * dwarfout.c: Likewise.
11646 * mips-tfile.c: Likewise.
11647 * protoize.c: Likewise.
11648 * toplev.c: Likewise.
11649 * tree.h: Likewise.
11651 * version.c (version_string): Constify a char*.
11653 * version.h: New file.
11655 2000-02-14 Nick Clifton <nickc@cygnus.com>
11657 * configure.in: Add mcore-elf and mcore-pe targets.
11658 * configure: Regenerate.
11660 * NEWS: Add note that MCore port has been contributed.
11662 * invoke.texi: Document command line switches for MCore port.
11663 * install.texi: Add MCore to list of supported targets.
11665 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11667 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11668 then we will need to import the frame handling functions.
11669 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11670 to import the frames themselves.
11672 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11673 Jason Eckhardt <jle@cygnus.com>
11675 * basic_block.h: Added prototype for reorder_basic_blocks.
11676 * toplev.c: Changes to add -freorder-blocks and graph dump after
11677 block reordering is done.
11678 * flow.c (reorder_block_def): New structure for use during block
11680 (REORDER_BLOCK_*): New macros to access members of above structure.
11681 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11682 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11683 functions for block reordering.
11685 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11687 * gcc.texi (Passes): Fix typo.
11688 * md.texi (Standard Names): Ditto.
11689 * tm.texi (Storage Layout): Ditto.
11691 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11693 * cpplib.c (do_define): Only free the old definition if it
11696 2000-02-13 Neil Booth <NeilB@earthling.net>
11698 * cppfiles.c (read_and_prescan): When emitting deferred
11699 newlines, test speccase[] again instead of checking each
11700 possible whitespace character in turn. When we encounter \r,
11701 look behind for \n first, then ahead.
11703 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11705 * cse.c (cse_altered): New internal flag.
11706 (cse_insn): Set it if we changed an insn.
11707 (cse_main): Clear cse_altered before each basic block.
11708 Only garbage collect if cse_altered is true afterward.
11710 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11712 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11714 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11716 * combine.c (simplify_comparison): Fix typo.
11718 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11720 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11723 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11725 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11726 previously inserted node instead of root node. Caller changed.
11728 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11730 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11732 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11734 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11735 __dereg_frame_dtor): Add prototype argument.
11737 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11739 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11741 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11743 * gthr-vxworks.h (__gthread_once): Likewise.
11745 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11747 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11749 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11750 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11751 stack pointer in functions w/o saved registers, output LEAVE more often
11752 on TARGET_USE_LEAVE machines.
11754 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
11756 * config/arm/arm.c (arm_init_cumulative_args); New function:
11757 Initlaise the CUMULATIE_ARGS strcuture for a function
11759 (arm_function_arg): New function: Determine where to place a
11760 function's argument. Also handles deciding the function's
11762 (current_file_function_operand): New function: Return true if
11763 the symbol is a function which has already been compiled.
11764 (arm_is_long_call_p): New function: Return true if the
11765 indicated function should be called via a long call.
11766 (arm_valid_type_attribute_p): New function: Return true if the
11767 attribute is a valid, arm specific, attribute.
11768 (arm_comp_type_attribute): New function: Return true if the
11769 two types have compatable, arm specific, attributes.
11771 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
11773 (FUNCTION_ARG): Redefine to call arm_function_arg.
11774 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
11776 (INIT_CUMULATIVE_ARGS): Redefine to call
11777 arm_init_cumulative_args.
11778 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
11780 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
11782 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
11784 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
11785 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
11786 (COMP_TYPE_ATTRIBUTES): Define.
11788 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
11789 if a long call is needed.
11790 (call_value): Call arm_is_long_call_p to decide if a long call
11792 (call_symbol): Call arm_is_long_call_p to decide if a long call
11795 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
11797 2000-02-11 Denis Chertykov <denisc@overta.ru>
11799 * README.AVR: New file with information about the avr ports.
11800 * config/avr: New directory with avr port files.
11802 2000-02-11 Andreas Jaeger <aj@suse.de>
11804 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
11806 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
11808 * cpphash.c: Fix formatting, update commentary.
11809 (dump_definition): Take three separate arguments instead of a
11810 MACRODEF structure argument.
11811 * cpphash.h: Update prototype of dump_definition.
11812 * cppinit.c (cpp_finish): Update call of dump_definition.
11814 * cpplib.c (do_define): Always create new hash entry with
11815 T_MACRO type. Remove redundant check for redefinition of
11816 poisoned identifier. Update call of dump_definition.
11817 (do_undef): Don't call check_macro_name. Rename sym_length to
11819 (do_error, do_warning): Don't use copy_rest_of_line or
11821 (do_warning): Don't use pedwarn for the actual warning,
11822 only the notice about its not being in the standard. (Fixes
11823 bug with #warning in system headers.)
11824 (do_ident): Stricter argument checking - accept only a single
11825 string after #ident. Also, macro-expand the line.
11826 (do_xifdef): Use cpp_defined. De-obfuscate.
11828 (do_pragma): Split out specific pragma handling to separate
11829 functions. Use get_directive_token. Update commentary. Do
11830 not pass on #pragma once or #pragma poison to the front end.
11831 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
11832 do_pragma_default): New.
11834 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
11836 * jump.c (jump_optimize_1): The first operand in a relational
11837 can be a CONST_INT.
11838 * optabs.c (emit_conditional_move): Handle relationals which
11839 have a known true/false result.
11841 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11843 * function.c (thread_prologue_and_epilogue_insns): Don't insert
11844 a RETURN insn into a block which already ends with a jump.
11846 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11848 * haifa-sched.c (BUF_LEN): Increase a lot.
11850 2000-02-11 Nick Clifton <nickc@cygnus.com>
11852 * configure.in: Add tm_p_file specification for thumb targets.
11853 * configure: Regenerate.
11855 * config/arm/thumb-protos.h: New file: Prototypes for exported
11856 functions defined in thumb.c.
11858 2000-02-11 Robert Lipe <robertl@sco.com>
11860 * Makefile.in (bootstrap-lean): Remove additional files.
11861 (bootstrap2-lean): Likewise.
11862 (VOL_FILES): List of files for above.
11864 2000-02-11 Nathan Sidwell <nathan@acm.org>
11866 * cpphash.c (special_symbol): Remove spurious argument to
11869 2000-02-11 Joel Sherrill (joel@OARcorp.com>
11871 * configure.in: (i*86-*-rtems*): Swapped elf and coff
11873 * configure: Rebuilt.
11875 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
11877 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
11879 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
11881 * pa.c, pa.h: Remove trigraph sequences within comments.
11883 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
11885 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
11887 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
11889 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
11891 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11893 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
11895 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11897 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
11898 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
11899 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
11900 (ASM_FILE_END): Use c4x_file_end.
11901 * config/c4x/c4x.c (c4x_global_label): New function.
11902 (c4x_external_ref, c4x_file_end): Likewise.
11904 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
11905 (c4x_external_ref, c4x_end_file): Likewise.
11907 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
11909 * cppexp.c: Don't include cpphash.h.
11910 (parse_charconst, cpp_lex): Use cpp_defined.
11911 (cpp_lex): Use get_directive_token throughout. Remove
11912 unnecessary cases from switch. Move assertion-handling code
11913 down to OTHER case.
11914 (cpp_parse_expr): If we see '+' or '-', check the context to
11915 determine if they are unary or binary operators. Streamline
11916 the jumps a bit. Do not call skip_rest_of_line.
11918 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
11919 static. Export get_directive_token. Update commentary.
11920 (cpp_defined): New function.
11921 (do_define): Remove reference to T_PCSTRING. Call
11922 free_definition to release memory for old definition, when
11923 redefining a macro.
11924 (eval_if_expression): Set only_seen_white to 0 before calling
11925 cpp_parse_expr. Call skip_rest_of_line after it returns.
11926 (cpp_read_check_assertion): Don't preserve a pointer into the
11927 token buffer across a call to cpp_get_token.
11929 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
11930 * cppfiles.c (redundant_include_p): Use cpp_defined.
11931 * cpphash.c (free_definition): New function.
11932 (delete_macro): Use it. Update commentary.
11933 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
11935 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
11936 from enum node_type. Prototype cpp_defined and get_directive_token.
11937 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
11939 * fix-header.c (check_macro_names): Use cpp_defined.
11940 (read_scan_file): Set inhibit_warnings and inhibit_errors in
11941 the options structure.
11943 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11945 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
11947 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
11949 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
11950 rather than die->die_tag.
11952 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11954 * combine.c (make_extraction, force_to_mode): Avoid warning on
11955 mixed-signedness conditionals.
11956 (make_field_assignment, nonzero_bits): Likewise.
11957 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
11958 (store_split_bit_field, extract_split_bit_field): Likewise.
11959 (extract_fixed_bit_field, store_bit_field,
11960 * expr.c: Change alignment to be unsigned everywhere.
11961 (move_by_pieces, store_constructor_field, store_constructor):
11962 Alignment parm is unsigned.
11963 (emit_block_move, emit_group_load, emit_group_store): Likewise.
11964 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11965 (do_compare_rtx_and_jump): Likewise.
11966 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
11967 Compare align with GET_MODE_ALIGNMENT.
11968 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
11969 (get_inner_reference): Likewise.
11970 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
11971 (expand_assignment): Local vars for alignment now unsigned.
11972 (store_constructor, store_field, expand_expr, do_jump): Likewise.
11973 (do_compare_and_jump): Likewise.
11974 (store_field): Call new function expr_align.
11975 * expr.h (emit_block_move, emit_group_load, emit_group_store):
11976 Alignment arg now unsigned.
11977 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11978 (do_compare_rtx_and_jump, store_bit_field): Likewise.
11979 (extract_bit_field): Likewise.
11980 * fold-const.c (add_double): Add cast to eliminate signedness warning.
11981 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
11982 (get_best_mode): Alignment arg is unsigned.
11983 * rtl.h (move_by_pieces): Likewise.
11984 * store-layout.c (maximum_field_alignment, set_alignment):
11986 (layout_decl): Alignment arg is now unsigned.
11987 Remove unneeded casts.
11988 (layout_record, layout_union, layout_type): Remove unneeded casts.
11989 Local alignment variables now unsigned.
11990 (get_best_mode): Alignment arg now unsigned.
11991 * tree.c (expr_align): New function.
11992 * tree.h (expr_align): Likewise.
11993 (maximum_field_alignment, set_alignment): Now unsigned.
11994 (get_inner_reference): Alignment argument is now pointer to unsigned.
11995 * varasm.c (assemble_variable): Add cast to eliminate warning.
11997 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
11999 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
12000 then store directly into op0.
12002 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
12003 the CALL_INSN, and emit the note immediately after it.
12005 2000-02-10 Nick Clifton <nickc@cygnus.com>
12007 * config/arm/thumb.md (epilogue): Include a (return) in the
12008 generated insn, and emit it using emit_jump_insn not
12011 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
12013 * function.c (assign_temp): Change zero-sized arrays to size 1.
12014 * integrate.c (expand_inline_function): Do not update
12015 stack_alignment_needed
12016 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
12017 add some sanity checking, remove optimization for function with
12020 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12022 * flow.c (mark_regs_live_at_end): Delete unused variables.
12024 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
12026 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
12027 in macro FRAME_GROWS_DOWNWARD.
12029 * stmt.c (expand_end_bindings): Delete unused variable.
12031 * unroll.c (iteration_info): Mark parameter `loop' with
12034 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12036 * fixinc/server.c (load_data): Return NULL if the marker line is
12038 (run_shell): If load_data returns NULL, retry the command once, in
12041 * configure: Rebuilt.
12043 2000-02-09 Bruce Korb <bkorb@gnu.org>
12045 * gcc/fixincludes: ** DELETED **
12046 * gcc/fixcpp: ** DELETED **
12047 * gcc/fixinc-nt.sed: ** DELETED **
12048 * gcc/just-fixinc: ** DELETED **
12049 * gcc/Makefile.in: Removed out-dated commentary
12050 * gcc/configure.in: Removed fast-fixincludes disablement.
12051 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
12053 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12054 * function.c (thread_prologue_and_epilogue_insns): Uncomment
12057 2000-02-09 Richard Henderson <rth@cygnus.com>
12059 * jump.c (delete_insn): Don't delete user labels at -O0.
12061 2000-02-09 Robert Lipe <robertl@sco.com>
12063 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
12064 Don't link with HOST_LIBS.
12066 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12068 * configure.in: Correct --help text for --with-dwarf2.
12069 Put tm-dwarf2.h after other tm files, if it's requested.
12070 * configure: Regenerate.
12071 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
12074 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12076 * cpplib.h: Provide HASHNODE typedef and forward decl of
12077 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
12078 DEFINITION, struct hashnode, struct macrodef, struct
12079 definition, scan_decls prototype, default defn of
12080 INCLUDE_LEN_FUDGE moved elsewhere.
12082 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
12083 definition, and struct hashnode moved here. Remove the unused
12084 'predefined' field from struct definition. Replace the 'args'
12085 union with its sole member. All users updated (cpphash.c).
12086 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
12087 multiple include guard.
12089 * cpphash.c (hashf): Make static; use better algorithm; drop
12090 HASHSIZE parameter; return an unsigned int.
12091 (cpp_lookup): Drop HASH parameter. PFILE parameter is
12092 used. Calculate HASHSIZE modulus here.
12093 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
12095 (create_definition): Drop PREDEFINITION parameter.
12096 * cpplib.c (do_define): Don't calculate a hash value here.
12097 Don't pass (keyword == NULL) to create_definition.
12099 * scan.h: Prototype scan_decls here.
12100 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
12101 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
12102 callers of cpp_lookup and cpp_install updated.
12104 * cpphash.c (macarg): Hoist all the flag diddling out of the
12106 (macroexpand): ... and out of the loop that calls macarg.
12107 Skip over the initial paren before macro arguments with
12108 cpp_get_non_space_token; point may be some distance before
12109 that paren. Abort if it's not there.
12111 * cpplib.c (parse_clear_mark): Delete function.
12112 (parse_set_mark, parse_goto_mark): Make static.
12113 (ACTIVE_MARK_P): New macro.
12114 (skip_block_comment, skip_line_comment): Do not bump the line
12115 if ACTIVE_MARK_P is true.
12116 (cpp_pop_buffer): The buffer to be popped may not have an
12118 (cpp_get_token): When looking for the initial paren before
12119 macro arguments, only set a mark in a file buffer, Always
12120 return to that mark before proceeding to call macroexpand or
12121 return a NAME token.
12123 * cpplib.h: Remove prototypes of parse_set_mark,
12124 parse_clear_mark, parse_goto_mark.
12125 (struct cpp_options): Rename 'put_out_comments' to
12126 'discard_comments' and invert its sense.
12127 * cppinit.c, cpphash.c, cpplib.c: All users of
12128 put_out_comments changed to use discard_comments, with
12131 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12133 * function.c (thread_prologue_and_epilogue_insns): Don't delete
12134 the edge from a block that both jumps and falls through to the
12137 2000-02-09 Scott Bambrough <scottb@netwinder.org>
12139 * config/arm/arm.md (movsi): In PIC mode, make sure that a
12140 constant source address is legitimate.
12142 2000-02-09 Philip Blundell <pb@futuretv.com>
12144 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
12147 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
12149 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
12151 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12153 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
12154 ends with a newline and a NUL. Don't be so clever manipulating
12157 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
12159 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
12160 not to BIGGEST_ALIGNMENT.
12162 2000-02-08 Geoff Keating <geoffk@cygnus.com>
12164 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
12165 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
12166 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
12167 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
12168 * frame.c (execute_cfa_insn): Handle
12169 DW_CFA_GNU_negative_offset_extended.
12171 2000-02-08 Richard Henderson <rth@cygnus.com>
12173 * flow.c (tidy_fallthru_edges): Split out from ...
12174 (delete_unreachable_blocks): ... here.
12175 (find_basic_blocks): Use it.
12177 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12179 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
12181 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
12183 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
12184 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
12185 (fix-header.o): Don't depend on cpphash.h.
12187 * scan.c (hashstr): New function.
12188 * scan.h: Prototype it.
12189 * fix-header.c: Don't include cpphash.h. Use hashstr.
12190 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
12191 hashstr. Report hash table statistics. Add private
12192 definition of xrealloc.
12194 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12196 * i386.h (TARGET_SWITCHES): Fix typo in option name.
12198 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
12200 * function.c (thread_prologue_and_epilogue_insns): Don't replace
12201 jumps with returns unless they are jumps to the fallthru block.
12203 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
12205 * i386.md (addqi3_cc): Fix contraints.
12207 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12209 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
12211 2000-02-07 Mark Mitchell <mark@codesourcery.com>
12213 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
12214 carriage return after a macro name.
12216 2000-02-07 Fred Fish <fnf@be.com>
12218 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
12219 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
12221 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
12223 * cppfiles.c (deps_output): Count spacers in deps_column.
12225 2000-02-07 Neil Booth <NeilB@earthling.net>
12227 * cppinit.c (initialize_dependency_output): If there is no
12228 suffix, don't try to look for known suffixes. Use strrchr.
12229 (cpp_start_read): Remove duplicate initialization.
12231 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
12233 * calls.c (compute_argument_block_size): New argument
12234 preferred_stack_boundary.
12235 (expand_call): update cfun->preferred_stack_boundary, update call of
12236 compute_argument_block_size
12237 (emit_library_call): Increate cfun->preferred_stack_boundary
12238 to PREFERRED_STACK_BOUNDARY
12239 (emit_library_call_value): Likewise.
12240 * explow.c (allocate_dynamic_stack_spave): Likewise.
12241 * function.c (prepare_function_start): Set
12242 cfun->preferred_stack_boundary
12243 * function.h (struct function): Add preferred_stack_boundary field.
12244 * integrate.c (expand_inline_function): Update
12245 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
12246 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
12247 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
12249 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
12251 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
12252 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
12253 cpp_pedwarn, cpp_pedwarn_with_line,
12254 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
12255 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
12256 v_cpp_error_with_line, v_cpp_warning_with_line,
12257 cpp_message_from_errno, cpp_perror_with_name): Delete.
12259 * cpperror.c (cpp_print_containing_files): Take starting
12260 buffer as argument.
12261 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
12262 (v_cpp_message): Now called directly by all entry points.
12264 (cpp_pfatal_with_name, cpp_message): Delete.
12265 (cpp_notice_from_errno, cpp_ice): New functions.
12266 (cpp_notice): Is now for reporting error conditions, just
12267 without an associated file.
12268 (cpp_error, cpp_error_with_line): Don't do anything if
12269 opts->inhibit_errors is on.
12270 (cpp_pedwarn_with_file_and_line): Take column argument also.
12272 * cpplib.h: Update prototypes of exported functions.
12273 (struct cpp_options): Add inhibit_errors.
12275 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
12276 non-error messages. Include intl.h.
12278 * cppinit.c, cppmain.c: Likewise. Also, use
12279 cpp_notice_from_errno instead of cpp_perror_with_name or
12280 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
12282 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
12283 report internal errors.
12285 * cpplib.c (do_define): Switch bcopy to memcpy.
12286 Give cpp_pedwarn_with_file_and_line a dummy column argument.
12288 * cpplib.c (copy_rest_of_line): Revert previous change: don't
12289 bail out early if we hit a line comment.
12291 2000-02-06 Richard Henderson <rth@cygnus.com>
12293 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
12294 * basic-block.h: Declare them.
12295 * emit-rtl.h (active_insn_p): New.
12296 (next_active_insn, prev_active_insn): Use it.
12297 * rtl.h: Declare it.
12298 * function.c (emit_return_into_block): New.
12299 (thread_prologue_and_epilogue_insns): Insert return insns instead
12300 of epilogues when possible.
12301 * jump.c (jump_optimize_1): Remove code to insert a return insn
12302 on the fallthru to the exit block.
12304 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
12305 and for non-empty stack frames.
12306 * i386.md (return): Expand to return-pop as needed.
12308 2000-02-06 Richard Henderson <rth@cygnus.com>
12310 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12311 constant to op1 for testing.
12313 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12315 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12316 (fixuns_truncqfqi2): Use it.
12318 2000-02-06 Richard Henderson <rth@cygnus.com>
12320 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12321 as a TYPE_LEA insn.
12323 * i386.md (widening and peepholes): Mask the constant instead of
12326 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12328 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12329 input pointer before possibly branching off to the backslash
12331 * cpphash.c (macroexpand): Correctly delete \r escapes when
12332 stringifying parameters.
12333 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12334 if we can; bail out early if we hit a line comment.
12335 (handle_directive): Treat '# 123' in an .S file just like
12336 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12337 Return 1 for '# not_a_directive'.
12338 (get_directive_token): Pop macro buffers here, so that
12339 cpp_get_token can't sneakily move past a newline.
12341 (cpp_get_token): goto randomchar if handle_directive returns 0.
12343 * cppalloc.c: Update copyright.
12344 * cpplib.c: Merge all the static function prototypes into one
12346 * cpplib.h: Remove #if 0 block.
12348 * cpperror.c: Remove #ifdef EMACS block.
12349 * cppmain.c: Likewise.
12350 * cpphash.c: Remove #if 0 blocks.
12351 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12352 * cpplib.c: Remove #if 0 blocks and code referencing
12353 pcp_inside_if or for_lint. Remove duplicate error message.
12354 Fix error messages for #else after #else or #elif. Reformat.
12355 Remove archaic TODO list.
12356 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12358 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12360 * i386/osf1elf.h: Add missing backslash to multiline string.
12362 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12364 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12366 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12368 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12370 * c-common.c: Include expr.h.
12372 * c-pragma.c (mark_align_stack): Add prototype.
12374 * caller-save.c (add_stored_regs): Likewise.
12376 * combine.c (record_promoted_value): Likewise.
12378 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12381 * cppinit.c (new_pending_define): Likewise.
12383 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12385 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12386 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12387 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12388 class_scope_p): Likewise.
12390 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12391 dwarf2out_add_library_unit_info): Likewise.
12393 * ggc.h (ggc_page_print_statistics): Likewise.
12395 * haifa-sched.c (propagate_deps): Likewise.
12397 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12399 * rtl.h (set_stack_check_libfunc): Likewise.
12401 * toplev.h (set_fatal_function): Likewise.
12403 * toplev.c (set_fatal_function): Delete prototype.
12405 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12407 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12409 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12410 (FUNC_END): Likewise.
12412 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12414 * caller-save.c: Include tm_p.h.
12416 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12418 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12420 2000-02-04 Neil Booth <NeilB@earthling.net>
12422 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12425 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12427 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12428 * genflags.c: Use the max_operand_1 logic from genemit.c to
12429 calculate how many arguments gen_insn prototypes have. Remove
12430 NO_MD_PROTOTYPES ifdefs from the generated file.
12431 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12432 file. Cast gen_insn initializers to insn_gen_fn.
12433 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12434 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12436 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12438 * fixinc/Makefile.in (HDR): Add machname.h.
12441 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12443 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12444 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12445 (c4x_cpu_version): Ditto.
12446 * config/c4x/c4x-protos.h: ... here.
12448 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12450 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12451 gen_abstract_function on our context if we're a nested function.
12453 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12455 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12456 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12458 2000-02-04 Bruce Korb <bkorb@gnu.org>
12460 * fixinc/genfixes(machname.h):
12461 Move the functionality from gen-machine.h into this file.
12462 UNdef MN_NAME_PAT if there are no names to change.
12463 Also, be a little kinder when AutoGen is not present.
12465 * fixinc/Makefile.in(machname.h):
12466 Change the generation rule to use genfixes.
12468 * fixinc/fixfixes.c(machine_name):
12469 machine_name_fix's functionality now dependent upon whether
12470 MN_NAME_PAT is defined.
12472 * fixinc/fixtests.c(machine_name):
12475 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12478 * fixinc/fixlib.h(mn_get_regexps):
12481 * fixinc/gen-machine.h: DELETED
12483 2000-02-04 Jan Hubicka <jh@suse.cz>
12484 Richard Henderson <rth@cygnus.com>
12486 * i386.c (SAVE_REGS_FIRST): Remove.
12487 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12488 (ix86_compute_frame_size): Likewise.
12489 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12490 (ix86_emit_restore_regs): Remove.
12491 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12492 when a frame pointer is in use.
12493 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12494 instead of pop to restore a register when profitable; emit leave
12496 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12497 as a TYPE_LEA insn.
12498 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12499 * i386.md (prologue_allocate_stack): Remove.
12500 (epilogue_deallocate_stack): Remove.
12501 (pro_epilogue_adjust_stack): New.
12503 2000-02-04 Richard Henderson <rth@cygnus.com>
12505 * function.c (diddle_return_value): Rework to use a callback function.
12506 Use current_function_return_rtx if it's been set up.
12507 (do_clobber_return_reg, clobber_return_register): New.
12508 (do_use_return_reg, use_return_register): New.
12509 (expand_function_end): Use them.
12510 * stmt.c (expand_null_return): Likewise.
12511 * function.h: Declare them.
12512 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12513 (mark_reg): Change arguments as appropriate for callback.
12514 * integrate.c (expand_inline_function): Revert 19 Jan change.
12516 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12518 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12519 (Misc): Say the scheduler, not the Haifa scheduler.
12521 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12523 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12524 when in_mem is set. Update all callers.
12526 2000-02-04 Richard Henderson <rth@cygnus.com>
12528 * i386/openbsd.h (INT_ASM_OP): Define.
12530 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12532 * tm.texi: Fix various typos.
12534 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12536 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12537 (MD_STARTFILE_PREFIX_1): New macro.
12539 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12541 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12542 destination when needed.
12543 (strmovsi, strsetsi): New expander.
12544 (strmovsi_1, strsetsi_1): New pattern.
12545 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12546 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12547 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12548 * invoke.texi (align-stringops, inline-all-stringops): Document.
12550 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12552 * i386/netbsd.h (INT_ASM_OP): Define.
12554 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12556 * cpplib.h (cpp_reader): Add new flag, no_directives.
12557 * cpphash.c (macarg): Set it.
12558 * cpplib.c (handle_directive): If no_directives is on and we
12559 find a directive, issue an error and discard the line.
12561 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12563 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12564 FP constants. Add ! TARGET_FPU check for FP constants.
12566 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12568 * flow.c (find_basic_blocks): Don't kill label_value_list
12570 (cleanup_cfg): Kill it here.
12572 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12574 * expr.c (store_field): Ensure ALIGN is no stricter than the
12577 2000-02-02 Richard Henderson <rth@cygnus.com>
12579 * jump.c (delete_insn): Partially revert 19 Jan change;
12580 don't convert unused code labels to notes at -O0.
12582 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12584 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12585 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12587 2000-02-01 Richard Henderson <rth@cygnus.com>
12589 * i386.c (general_no_elim_operand): New.
12590 (nonmemory_no_elim_operand): New.
12591 (ix86_expand_move): Copy eliminable operands before a push.
12592 * i386-protos.h: Declare new functions.
12593 * i386.h (CAN_ELIMINATE): Simplify.
12594 (PREDICATE_CODES): Update.
12595 * i386.md (push insns): Don't allow eliminable register operands.
12597 2000-02-01 Richard Henderson <rth@cygnus.com>
12599 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12600 replace BLKmode with DECL_RTL's mode.
12602 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12604 * frame.c (find_fde): Convert for loop to do-while so compiler
12605 sees it's always executed at least once.
12606 * libgcc2.c (BBINBUFSIZE): Kill.
12607 (__bb_init_prg): Use fgets.
12608 (__bb_exit_trace_func): Don't paste strings.
12609 * unroll.c (unroll_loop): Initialize unroll_type, not
12610 unroll_number, and tweak logic to match.
12612 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12614 (ix86_flags_dependant): Likewise. Disentangle control flow.
12615 (ix86_sched_reorder): Break guts out to
12616 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12617 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12620 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12621 use string concatenation. Don't save and restore esi.
12623 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12624 (machname.h): Remove script to separate file. Use two-step
12625 sequence so target is not created if script fails.
12626 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12627 identifiers are defined.
12628 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12629 an empty string, machine_name doesn't need to do anything at
12631 (is_cxx_header): Add more cases to regexp.
12632 * fixinc/fixlib.h: Update prototype.
12633 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12635 * fixinc/fixincl.c: Define NO_BOGOSITY.
12637 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12638 (hp_sysfile): Add missing comma.
12639 (math_exception): Put the wrapper ifdefs at the beginning and
12640 the end of the file.
12641 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12643 2000-02-01 Richard Henderson <rth@cygnus.com>
12645 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12646 Use CONST0_RTX. Update all callers.
12647 * sparc.h, sparc-protos.h: Update accordingly.
12648 * sparc.md (fp mov insns): Use fp_zero_operand directly
12651 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12653 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12656 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12658 * Makefile.in (specs.ready): New target.
12659 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12661 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12663 * fixinc.irix: Use unique filenames for writing into /tmp,
12664 * fixinc.ptx: Likewise.
12665 * fixinc.sco: Likewise.
12666 * fixinc.svr4: Likewise.
12667 * fixinc.winnt: Likewise.
12669 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12671 * tsystem.h: New file.
12673 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12674 s-crtS): Depend on tsystem.h.
12676 * crtstuff.c: Include tsystem.h.
12677 * frame.c: Likewise.
12678 * libgcc2.c: Likewise.
12680 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12682 * builtins.c (expand_builtin_memset): Expand for variable sized
12685 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12687 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12690 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12692 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12694 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12696 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12698 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12699 case 3->2 combining (combining with splitting) in which 2 is CC0
12700 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12701 checked at the begining of the function with the aid of calling
12702 function 'can_combine_p'.
12704 2000-01-31 Dave Brolley <brolley@redhat.com>
12706 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12708 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12710 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12713 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12715 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12717 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12720 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12722 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12723 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12724 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12725 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12726 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12727 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12728 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12729 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12730 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12731 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12733 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12734 Add %(cpp_cpu) to CPP_SPEC.
12736 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12737 Add %(cc1_cpu) to CC1_SPEC.
12739 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12741 * c-decl.c (c_decode_option): Accept optional numeric argument to
12742 -Wformat and set warn_format.
12743 * c-common.c: Don't emit warning about non-constant printf format
12744 string unless warn_format > 1.
12746 2000-01-30 Richard Henderson <rth@cygnus.com>
12748 * alpha.md (return_internal): Allow after reload only.
12750 2000-01-30 Richard Henderson <rth@cygnus.com>
12752 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12753 local frame size is zero.
12755 2000-01-30 Richard Henderson <rth@cygnus.com>
12757 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
12758 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
12759 * alpha.md (return): Turn into an expander.
12760 (return_internal): Don't use $26.
12761 (epilogue): Emit the return insn.
12763 2000-01-30 Richard Henderson <rth@cygnus.com>
12765 * alpha.md (negtf2, abstf2): Fix word order thinko.
12766 (extendsftf2): New.
12767 (trunctfsf2): Avoid intermediate rounding errors.
12769 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12771 * cppfiles.c (find_position): Drop 'colp' argument, return the
12773 (read_and_prescan): Adjust to match. Don't ever manipulate
12774 line or line_base except via find_position.
12776 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12778 * c-parse.in: Apply Ulrich's changes from c-parse.y.
12779 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
12782 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12784 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
12785 just print "<command line>". If 'filename' is null or an
12786 empty string, print "<stdin>" for the filename.
12787 * cpplib.c (do_define): Don't print the 'location of the
12788 previous definition' message if we're still parsing the
12790 (cpp_pedwarn_with_file_and_line): Always call
12791 cpp_file_line_for_message.
12793 2000-01-29 Mark Mitchell <mark@codesourcery.com>
12795 * flow.c (mark_regs_live_at_end): Fix typo.
12797 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12799 * c-common.c: Adjust variable names, comments, help strings to c99.
12800 * c-lex.c: Likewise.
12801 * c-parse.y: Likewise.
12802 * c-tree.h: Likewise.
12803 * cccp.c: Likewise.
12804 * cpplib.h: Likewise.
12805 * c-decl.c: Likewise. Recognize options with names "*99" as well.
12806 * cppinit.c: Likewise.
12808 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12810 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
12811 * c4x.c: Define the optab rtx values.
12812 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
12813 (c4x_emit_libcall): Use new optab rtx values.
12814 (c4x_emit_libcall3): Likewise.
12815 (c4x_emit_libcall_mulhi): Likewise.
12816 * c4x-protos.h: Add prototypes for optab rtx values and change
12817 prototypes for above c4x_emit_libcall functions.
12819 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12821 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
12823 (c4x_function_prologue): Use regnames intead of float_reg_names when
12825 (c4x_function_epilogue): Likewise.
12826 (c4x_print_operand): Likewise.
12827 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
12828 * c4x.md (set_high): Disable for TARGET_TI.
12830 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12832 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
12833 of framepointer + constant to ADDR_REGS class.
12834 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
12835 * c4x.c (std_or_reg_operand): New function.
12836 * c4x-protos.h (std_or_reg_operand): Prototype it.
12838 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12840 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
12841 object names as libgcc2.c.
12842 * libgcc.S: Use newly defined names.
12844 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
12845 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
12847 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
12848 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
12849 (FLOW_LOOP_LAST_BLOCK): Likewise.
12851 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12853 * basic-block.h (struct loop): New fields 'first' and 'last'.
12854 * flow.c (flow_loops_find): Compute loop->first and loop->last.
12855 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
12856 and loop->last to check for NOTE_INSN_LOOP_END.
12858 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
12860 * predict.c (estimate_probability): Use the new FIRST and LAST fields
12861 of the loop descriptor rather than HEADER and LATCH. Also added
12862 missing break statements as well making some coding style modifications
12863 as suggested by Michael Hayes.
12865 2000-01-28 Richard Henderson <rth@cygnus.com>
12867 * flow.c (find_basic_blocks): Remove do_cleanup argument.
12868 Break out that code ...
12869 (cleanup_cfg): ... here.
12870 (commit_one_edge_insertion): Detect a return instruction being
12871 emitted to an edge. Emit a barrier following; clear fallthru.
12872 (commit_edge_insertions): Verify CFG consistency.
12873 * function.c (expand_function_start): Kill unused variable.
12874 (expand_function_end): Likewise.
12875 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
12876 to insert the epilogue.
12878 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
12879 (delete_null_pointer_checks): Likewise.
12880 * output.h: Likewise.
12881 * reg-stack.c (reg_to_stack): Likewise.
12882 * toplev.c (rest_of_compilation): Likewise. Run
12883 thread_prologue_and_epilogue_insns after rebuilding the CFG.
12885 2000-01-28 Richard Henderson <rth@cygnus.com>
12887 * Makefile.in (flow.o): Revert 24 Jan change.
12888 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
12889 FUNCTION_VALUE result to DECL_RESULT's mode.
12891 * haifa-sched.c (schedule_insns): Don't recompute reg info
12894 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
12896 * configure.in: Make --enable-cpplib the default.
12897 * configure: Regenerate.
12898 * gcc.dg/990119-1.c: No longer expected to fail.
12900 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
12902 * jump.c (jump_optimize_1): Delete an optimization that is also done
12903 by merge_blocks in flow.
12905 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12907 * diagnostic.c (build_message_string, output_printf,
12908 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
12909 (build_location_prefix): Fix non-literal format string.
12911 2000-01-27 Richard Henderson <rth@cygnus.com>
12913 * alpha.md (trunctfsf2): New.
12915 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
12917 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
12919 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12921 * cppinit.c (cpp_handle_option): Recognize C++ comments under
12923 * cpplib.c (skip_block_comment, skip_line_comment): Split code
12925 (skip_comment) ... here. Permit C++ comments in system
12926 headers always. Warn about C++ comments in user code under
12927 -std=gnu89 -pedantic.
12928 (copy_comment): Use skip_comment.
12929 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
12931 (consider_directive_while_skipping, do_else, do_endif): Call
12932 validate_else unconditionally.
12933 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
12934 text after the conditional in a system header.
12935 * cpplib.h (struct cpp_buffer): Add flag
12936 warned_cplusplus_comments.
12938 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12940 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
12941 Use unshare_all_rtl_1.
12942 (unshare_all_rtl_again): New function.
12943 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
12945 * function.c (purge_addressof_1): Use unshare_all_rtl_again
12946 rather than resetting the 'used' flags ourself.
12948 * toplev.c (rest_of_compilation): Add current_function_decl
12949 to the unshare_all_rtl call.
12950 * tree.h: Prototype unshare_all_rtl.
12951 * rtl.h: Prototype unshare_all_rtl_again here.
12953 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12955 * genoutput.c (output_prologue): Include ggc.h in generated
12957 * Makefile.in (insn-output.o): Depends on ggc.h.
12959 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
12960 Hans-Peter Nilsson <hp@bitrange.com>
12962 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
12963 Remove redundant include of xm-ns32k.h.
12964 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
12965 Remove redundant include of xm-ns32k.h.
12966 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
12967 Remove redundant include of xm-ns32k.h.
12968 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
12970 * ns32k/ns32k.h: Update comment on multiply-add instructions.
12971 (TARGET_SWITCHES): Add documentation strings.
12972 (DWARF_FRAME_REGNUM): Override default definition.
12973 (REG_CLASS_CONTENTS): Add comments.
12974 (SUBSET_P): Format to reduce line length.
12975 (SMALL_REGISTER_CLASSES): Make a run time option.
12976 (GO_IF_NONINDEXED_ADDRESS): Reformat.
12977 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
12978 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
12979 (regclass_map): fix typo in comment.
12980 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
12981 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
12982 (trace, reg_or_mem_operand): Delete, unused function.
12983 (calc_address_cost): Small offsets are cheaper than large ones.
12984 (expand_block_move): Generate more efficient code when bytes is a
12985 known at compile time.
12986 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
12987 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
12988 instead of reg_or_mem_operand.
12990 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
12991 not general_operand. Similarly use "=rm" or stricter, not "=g".
12992 For input operands, use stricter constraints than "g" if not
12993 general_operand. Similarly use stricter predicate than
12994 "general_operand" when stricter constraints than "g" are present,
12995 except for matching constraints.
12996 (movstrsi): Use "memory_operand" for operands 0 and 1.
12997 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
12998 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
12999 not reg_or_mem_operand.
13000 (udivmoddisi4): Ditto.
13001 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
13002 Use nonimmediate_operand for operand 3, not register_operand.
13003 (udivmoddiqi4_internal): Use register_operand for operand 1, not
13004 reg_or_mem_operand.
13006 2000-01-27 Fred Fish <fnf@be.com>
13008 * gthr-posix.h: Fix typo; compatibily -> compatibility.
13009 * gthr-single.h: Likewise.
13010 * gthr-solaris.h: Likewise.
13011 * gthr-vxworks.h: Likewise.
13012 * gthr-win32.h: Likewise.
13013 * gthr.h: Likewise.
13015 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13017 * cppinit.c: Add " (cpplib)" to end of string printed by
13020 2000-01-27 Richard Henderson <rth@cygnus.com>
13022 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
13023 testing for a signed comparison.
13024 (alpha_emit_floatuns): New.
13025 * alpha-protos.h: Declare it.
13026 * alpha.md (floatunsdisf2, floatunsdidf2): New.
13027 (extendsfdf2): Tidy.
13029 2000-01-27 Jakub Jelinek <jakub@redhat.com>
13031 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
13032 no -g option specifying debugging format, default to -gstabs+.
13034 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13036 * calls.c (special_function_p): New argument fork_or_exec.
13037 (expand_call): When profile_arc_flag is set and the function
13038 is in the fork_or_exec group, call __bb_fork_func first.
13039 * libgcc2.c, _bb module (__bb_fork_func): New function.
13040 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
13042 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
13043 * tree.h (special_function_p): Update prototype.
13045 2000-01-26 Richard Henderson <rth@cygnus.com>
13047 * alpha.c (alpha_split_tfmode_pair): New.
13048 * alpha-protos.h: Declare it.
13049 * alpha.md (abstf2, negtf2): New.
13050 (movtf insn): Add input G constraint.
13051 (movtf splitter): Use alpha_split_tfmode_pair.
13053 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13055 * i386/cygwin.h: PROTO -> PARAMS.
13057 2000-01-26 Jakub Jelinek <jakub@redhat.com>
13059 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
13060 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
13061 using _Qp_cmp/_Q_cmp and testing the return value.
13062 (print_operand): Call reverse_condition_maybe_unordered if
13063 we are handling CCFPmode or CCFPEmode.
13064 Handle ORDERED, UN* and LTGT comparisons.
13065 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
13066 if not TARGET_HARD_QUAD.
13067 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
13068 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
13069 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
13070 Adjust gen_b* calls so that they reflect return comparison of
13071 sparc_emit_float_lib_cmp.
13073 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13075 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
13076 incoming operands array is large enough for one more operand.
13077 (alpha_emit_xfloating_arith): Likewise.
13079 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13081 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
13082 file with one line and no trailing newline.
13083 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
13084 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
13085 checking if the match is on the line.
13086 * fixinc/gnu-regex.c: Provide regerror not __regerror.
13088 2000-01-25 Richard Henderson <rth@cygnus.com>
13090 * sparc.c (output_cbranch): Fix accidental squashing of the
13091 fp branch pre-delay nop.
13093 2000-01-25 Richard Henderson <rth@cygnus.com>
13095 * tree.def (UNNE_EXPR): Remove.
13096 * c-typeck.c (build_binary_op): Don't handle it.
13097 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
13099 * rtl.def (UNNE): Remove.
13101 * jump.c (reverse_condition): Update accordingly.
13102 (swap_condition): Likewise.
13103 (comparison_dominates_p): Handle unordered comparisons.
13104 (reverse_condition_maybe_unordered): New.
13105 * rtl.h (reverse_condition_maybe_unordered): Declare.
13107 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
13108 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
13109 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
13110 * sparc.md (bltgt): New.
13112 2000-01-25 Nick Clifton <nickc@redhat.com>
13114 * emit-rtl.c (emit_insn): Only check machine class insns for
13115 improper emission of a RETURN.
13117 2000-01-25 Richard Henderson <rth@cygnus.com>
13119 * Makefile.in (flow.o): Depend on $(EXPR_H).
13120 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
13121 duplicate the structure of diddle_return_value for keeping regs live.
13123 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13125 * loop.c (current_loop_info): Delete.
13126 (consec_sets_invariant_p): Add loop argument, update callers.
13127 (get_condition_for_loop): Likewise.
13128 (count_nonfixed_reads, update_giv_derive): Likewise.
13129 (simplify_giv_expr, general_induction_var): Likewise.
13130 (consec_sets_giv, recombine_givs): Likewise.
13131 (move_movables): Delete loop_start and loop_end arguments,
13132 add loop argument, and update callers.
13133 (find_mem_givs, check_final_value): Likewise.
13134 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
13135 (loop_invariant_p): Rename from invariant_p, add loop argument, and
13137 (basic_induction_var): Add loop argument, delete loop_level argument,
13138 and update callers.
13139 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
13140 add loop argument, and update callers.
13141 (find_splittable_regs, find_splittable_givs): Likewise.
13142 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
13143 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
13144 (biv_total_increment): Delete loop_start and loop_end arguments;
13146 (precondition_loop_p): Delete loop_start and loop_info arguments;
13148 * loop.h (get_condition_for_loop): Add loop argument.
13149 (biv_total_increment): Delete loop_start and loop_end arguments.
13150 (precondition_loop_p): Delete loop_start and loop_info arguments;
13152 (final_biv_value): Delete loop_start and loop_end arguments;
13154 (final_giv_value, back_branch_in_range_p): Likewise.
13156 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13158 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
13160 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13162 * Makefile.in (c-gperf.h) : Change the "See" pointer to
13163 point to the new "generated_files" doc.
13165 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13167 * config/fp-bit.c (_unord_f2): Fix typo.
13169 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13171 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
13172 c-typeck.c, objc/objc-act.c: Remove all references to obstack
13173 functions obsoleted by GC, such as push_obstacks_nochange,
13174 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
13175 and code which existed only to decide whether or not to call
13176 them. Remove now-unused NESTED argument from start_function;
13177 all callers changed. Do not change behavior based on ggc_p.
13178 The use of the ixp_obstack in c-iterate.c and the util_obstack
13179 in objc/objc-act.c remain; these are not obsoleted by garbage
13181 * c-tree.h: Update prototype for start_function.
13183 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
13185 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13187 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
13190 2000-01-25 Richard Henderson <rth@cygnus.com>
13192 * sparc-protos.h (select_cc_mode): Declare.
13193 * sparc.c (select_cc_mode): New. Handle unordered compares.
13194 (output_cbranch): Always reverse via code change. Handle
13195 unordered compares. Factor tests and string updates.
13196 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
13197 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
13198 * sparc.md (bunordered, bordered): New.
13199 (bungt, bunlt, buneq, bunge, bunle): New.
13201 2000-01-25 Richard Henderson <rth@cygnus.com>
13203 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
13204 * ggc-common.c (ggc_add_rtx_varray_root): New.
13205 (ggc_mark_rtx_varray): New.
13206 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
13207 functions down below ggc_mark_foo.
13208 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
13210 2000-01-25 Richard Henderson <rth@cygnus.com>
13212 * alpha.c (secondary_reload_class): Don't allocate a secondary
13213 for integral mode memories into FLOAT_REGS. Rearrange the more
13214 complicated memory expression inward.
13216 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13218 * inclhack.def: Fixes to play nicer with FreeBSD, and
13219 corrections to comments.
13220 (cxx_unready): Add select expression.
13221 (irix_sockaddr): Add bypass expression.
13222 (machine_ansi_h_va_list): New fix.
13223 (stdio_va_list): No need to edit _BSD_VA_LIST_.
13224 Split out addition of "#include <stdarg.h>" to...
13225 (stdio_stdarg_h): ... here.
13226 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
13227 to stdlib.h also. Do not munge _BSD_SIZE_T_.
13228 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
13230 (ultrix_ifdef): Tighten up select expression.
13232 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
13233 re_ct and max_mach to avoid use of shell. Make printed names
13234 match names in inclhack.def. Use static copyright date.
13235 Don't count c_test and test expressions as requiring regex_t
13236 slots. Add some commentary.
13237 * inclhack.tpl: Do not include the 'This script contains N
13238 fixup scripts' line if PROGRAM is defined. Use static
13241 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
13243 * dwarf2out.c: include "varray.h", not dyn-string.h.
13244 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
13245 (addr_const_to_string, addr_to_string): Lose.
13246 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
13247 (struct dw_val_struct): val_addr is now an rtx.
13248 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
13249 (used_rtx_varray): New varray.
13250 (dwarf2out_init): Initialize it.
13251 (save_rtx): New fn.
13252 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
13254 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
13255 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
13256 * Makefile.in (dwarf2out.o): Update dependencies.
13258 2000-01-24 Richard Henderson <rth@cygnus.com>
13260 * i386.c (i386_dwarf_output_addr_const): New.
13261 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
13263 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
13265 * dwarfout.c (output_mem_loc_descriptor): Likewise.
13266 * i386.c (i386_simplify_dwarf_addr): New.
13267 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
13269 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
13271 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
13272 TYPE_STUB_DECL is NULL.
13274 2000-01-24 Richard Henderson <rth@cygnus.com>
13276 * builtins.c (expand_tree_builtin): Move ...
13277 * c-common.c (expand_tree_builtin): ... here.
13279 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13281 * loop.h (LOOP_INFO): New accessor macro.
13282 * basic-block.h (struct loop): Rename field `info' to `aux'.
13283 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
13284 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
13285 * unroll.c (loop_iterations, unroll_loop): Likewise.
13287 2000-01-24 Christopher Faylor <cgf@cygnus.com>
13289 * config/i386/t-cygwin: Accomodate new winsup directory layout
13290 when searching for include files.
13292 2000-01-24 Richard Henderson <rth@cygnus.com>
13294 * rtl.def: Add unordered fp comparisions.
13295 * tree.def: Likewise.
13296 * tree.h: Add ISO C 9x unordered fp comparision builtins.
13298 * builtins.c (expand_tree_builtin): New function.
13299 * c-typeck.c (build_function_call): Use it.
13300 (build_binary_op): Support unordered compares.
13301 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
13303 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
13304 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
13305 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
13306 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
13307 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13309 (swap_condition): Handle unordered compares.
13310 (thread_jumps): Check can_reverse before reversing.
13311 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13314 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13315 setcc is present before acking for cmp_optab. Update all callers.
13316 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13317 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13318 * expr.c (expand_expr): Likewise. Support unordered compares.
13319 (do_jump, do_store_flag): Likewise.
13320 * expr.h (enum libfunc_index): Add unordered compares.
13322 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13323 (DPBIT_FUNCS): Add _unord_df.
13324 * config/fp-bit.c (_unord_f2): New.
13325 * fp-test.c (main): Try unordered compare builtins.
13327 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13328 * alpha.c (alpha_comparison_operator): Check mode properly.
13329 (alpha_swapped_comparison_operator): Likewise.
13330 (signed_comparison_operator): Likewise.
13331 (alpha_fp_comparison_operator): New.
13332 (alpha_emit_conditional_branch): Handle unordered compares.
13333 * alpha.h (PREDICATE_CODES): Update.
13334 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13335 (bunordered, bordered): New.
13337 2000-01-24 Richard Henderson <rth@cygnus.com>
13339 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13340 * alpha.md (movtf): New expander, insn, and splitter.
13342 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13344 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13347 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13349 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13350 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13351 REG_ALLOC_ORDER): Add frame pointer
13352 (FRAME_POINTER_REGNUM): Set to 20
13353 (HARD_FRAME_POINTER_REGNUM): New macro.
13354 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13355 to HARD_FRAME_POINTER.
13356 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13357 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13358 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13359 (HI_REGISTER_NAMES): Add "frame".
13360 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13361 (debug_reg): Handle FRAME_POINTER_REGNUM.
13362 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13363 GENERAL_REGS and INDEX_REGS.
13364 * i386.c (SAVED_REGS_FIRST): new macro.
13365 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13366 (ix86_decompose_address, memory_address_length): Likewise.
13367 (regclass_map): Add frame pointer.
13368 (call_insn_operand): Handle frame_pointer_rtx.
13369 (reg_no_sp_operand): Likewise.
13370 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13371 (print_operand, legitimize_pic_address): Fix formating.
13372 (ix86_compute_frame_size): Make static, update prototype, new
13373 parameters padding1, padding2, use ix86_nsaved_regs, use
13374 stack_alignment_needed.
13375 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13376 to HARD_FRAME_POINTER_REGNUM conversions.
13377 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13378 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13379 (print_reg): Abort on FRAME_POINTER_REGNUM
13381 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13383 * i386.h (PREDICATE_CODES): Add aligned_operand.
13384 * i386.c (aligned_operand): New function.
13385 (ix86_aligned_p): Kill.
13386 * i386.md (movhi_1): Emit mov for aligned operands.
13387 (promoting peep2s): Use aligned_operand.
13389 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13391 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13392 expression to allow underscores in macro names.
13393 (fix_char_macro_defines): Increment scanning pointer.
13395 2000-01-23 Richard Henderson <rth@cygnus.com>
13397 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13398 * alpha/osf5.h: New file.
13399 * configure.in (alpha-*-osf5): Add it to tm_file.
13401 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13403 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13404 (alpha_emit_xfloating_cvt, function_arg): Declare.
13405 * alpha.c (alpha_emit_conditional_branch): Call
13406 alpha_emit_xfloating_compare for TFmode compares.
13407 (alpha_lookup_xfloating_lib_func): New.
13408 (alpha_compute_xfloating_mode_arg): New.
13409 (alpha_emit_xfloating_libcall): New.
13410 (alpha_emit_xfloating_arith): New.
13411 (alpha_emit_xfloating_compare): New.
13412 (alpha_emit_xfloating_cvt): New.
13413 (print_operand): Add default abort case.
13414 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13415 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13416 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13417 (RETURN_IN_MEMORY): True for TF/TCmode.
13418 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13419 (FUNCTION_ARG): Move to function_arg.
13420 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13421 (ASM_OUTPUT_LONG_DOUBLE): New.
13422 (ASM_OUTPUT_DOUBLE): Always output bits.
13423 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13424 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13425 (extenddftf2, trunctfdf2): New.
13427 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13429 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13430 * config/sparc/sol2.h: ... here.
13432 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13434 * basic-block.h (struct loops): New field `levels'.
13435 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13436 (flow_loop_level_compute): Initialise level to 1.
13437 (flow_loops_find): Set loops->levels.
13438 (flow_loops_dump): Print loops->levels.
13440 2000-01-23 Richard Henderson <rth@cygnus.com>
13442 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13443 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13445 2000-01-23 Richard Henderson <rth@cygnus.com>
13447 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13448 * i386.h (DBX_REGISTER_NUMBER): Use them.
13449 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13450 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13451 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13452 * i386/sequent.h: Kill incorrect comment.
13454 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13456 * ggc-page.c (struct page_entry): Make `context_depth' an
13458 (struct globals): Likewise.
13460 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13462 * loop.c (check_dbra_loop): When checking a loop for
13463 reversability, check the source of any stores to ensure
13464 they don't depend on an initial value.
13466 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13468 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13470 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13472 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13473 'pz_scan' into scope of entire function. Only affects
13474 compiles with -DDEBUG.
13476 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13478 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13479 section naming to that prior to 2000-01-07 patch.
13480 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13481 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13482 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13483 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13484 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13486 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13488 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13491 2000-01-21 Jim Wilson <wilson@cygnus.com>
13493 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13494 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13496 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13498 * cpphash.c (change_newlines): Delete function.
13499 (struct argdata): Delete 'newlines' and 'use_count' fields.
13500 (macroexpand): Remove code referencing those fields.
13502 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13504 * loop.c (loops_info): New variable.
13505 (loop_optimize): Allocate loops->array and free it on exit.
13506 Allocate memory for loops_info and assign to each loop,
13508 (find_and_verify_loops): Do not allocate loops->array.
13510 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13512 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13514 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13516 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13517 pseudos if expanded after first flow.
13518 (movdi_pic_label_ref): Likewise.
13520 2000-01-20 Richard Henderson <rth@cygnus.com>
13522 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13524 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13526 * Makefile.in (fixinc.sh): Depend on specs.
13527 * fixinc/Makefile.in: Add rule to create machname.h.
13528 (fixlib.o): Depend on machname.h.
13529 * fixinc/fixtests.c (machine_name): New test.
13530 * fixinc/fixfixes.c (machine_name): New fix.
13531 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13532 the machine_name test and fix.
13533 * fixinc/fixlib.h: Prototype it.
13534 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13535 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13537 * gcc.c (do_spec_1) [case P]: Take care not to create
13538 identifiers with three leading or trailing underscores.
13540 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13541 (fixincl): Don't specify libraries twice on link line.
13542 (gnu-regex.o): Remove special rule.
13543 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13544 defined by config.h. Do not define _REGEX_RE_COMP.
13545 (regcomp): Allocate and initialize a fastmap.
13546 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13548 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13550 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13552 2000-01-19 Richard Henderson <rth@cygnus.com>
13554 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13555 arguments with BB. Update all callers. Tidy line wrapping.
13557 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13559 * emit-rtl.c (try_split): Return last_insn if we split the
13562 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13564 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13565 (ix86_initial_elimination_offset): Declare.
13566 * i386.c (ix86_nsaved_regs): Break out from ...
13567 (ix86_can_use_return_insn_p): ... here.
13568 (ix86_emit_save_regs): Break out from ...
13569 (ix86_expand_prologue): ... here.
13570 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13572 (ix86_expand_epilogue): ... here.
13573 (ix86_compute_frame_size): Make static, add prototype.
13574 (ix86_initial_elimination_offset): Break out from ...
13575 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13577 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13579 * recog.h (OUT_FCN): Delete.
13581 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13583 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13585 * cppalloc.c: PROTO -> PARAMS.
13586 * cpperror.c: Likewise.
13587 * cppfiles.c: Likewise.
13588 * cpplib.c: Likewise.
13589 * cpplib.h: Likewise.
13591 * config/arm/arm-protos.h: PROTO -> PARAMS.
13592 * config/arm/arm.c: Likewise.
13593 * config/c4x/c4x.c: Likewise.
13594 * config/fr30/fr30-protos.h: Likewise.
13595 * config/nextstep.c: Likewise.
13596 * config/pa/pa.c: Likewise.
13597 * config/pj/pj.c: Likewise.
13598 * config/rs6000/rs6000.c: Likewise.
13599 * config/v850/v850-protos.h: Likewise.
13600 * config/v850/v850.c: Likewise.
13602 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13604 * i370-protos.h: New file.
13606 * i370.c: Include tm_p.h. Fix compile time warnings.
13608 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13611 * i370.md: Likewise.
13613 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13615 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13616 (target_isinf, target_isnan, eisnan): Mark parameter with
13618 (eiisinf): Wrap in INFINITY.
13619 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13620 (ibmtoe): Remove unused variable `rndsav'.
13622 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13624 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13625 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13627 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13629 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13630 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13631 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13633 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13634 Recognize Emacs mode markers also.
13635 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13636 C++ comments in C++ headers. Call is_cxx_header only if
13639 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13640 bypass for ncurses.
13641 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13642 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13643 ... these, which use the new C fixes.
13644 (math_exception): Escape literal '+' in bypass expression.
13646 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13649 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13651 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13654 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13656 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13657 prior to calling scan_loop.
13659 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13661 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13662 (split_branches, calc_live_regs): Likewise.
13664 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13666 * sh.md (fpu_single, fp_mode): New attributes.
13668 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13670 * loop.c (current_loop_info): Renamed from loop_info_data
13671 and changed to a pointer.
13672 (loop_optimize): Allocate loop_info structure for each loop
13673 and initialise to zero.
13674 (scan_loop): Set current_loop_info.
13676 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13679 2000-01-19 Richard Henderson <rth@cygnus.com>
13681 * stupid.c: Die die die.
13682 * Makefile.in (OBJS): Remove stupid.o.
13683 (stupid.o): Likewise.
13685 * except.c (emit_eh_context): Don't emit USEs for stupid.
13686 * explow.c (probe_stack_range): Likewise.
13687 * flags.h (obey_regdecls): Remove.
13688 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13689 when not optimizing.
13690 (life_analysis): Limit data collection when not optimizing.
13691 (mark_regs_live_at_end): Always mark the return value registers.
13692 (mark_used_regs): Remove dummy RETURN case.
13693 (print_rtl_with_bb): Don't consult obey_regdecls.
13694 * function.c (use_variable, use_variable_after): Remove.
13695 (assign_parms): Consult optimize not obey_regdecls.
13696 (expand_function_start): Don't emit USEs for stupid.
13697 (expand_function_end): Likewise.
13698 * global.c (build_insn_chain): Export.
13699 * integrate.c (expand_inline_function): Kill return-value USE
13701 * jump.c (jump_optimize_1): Do simple jump optimizations and
13702 dead code elimination.
13703 (calculate_can_reach_end): Remove check_deleted argument.
13704 (delete_insn): Patch out insns even when not optimizing.
13705 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13706 * rtl.h (use_variable, use_variable_after): Remove declarations.
13707 (build_insn_chain): Declare.
13708 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13709 (expand_end_bindings): Likewise.
13710 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13711 * toplev.c (obey_regdecls): Remove.
13712 (rest_of_compilation): Don't set it. Kill stupid in favour of
13713 flow1, local-alloc, and reload.
13714 (main): Don't set obey_regdecls.
13716 * config/nextstep.c (handle_pragma): Likewise.
13718 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13720 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13722 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13724 * alpha-protos.h: PROTO -> PARAMS.
13725 * alpha.c: Likewise.
13727 * h8300.c: Likewise.
13728 * i386-protos.h: Likewise.
13729 * i386.c: Likewise.
13730 * m32r-protos.h: Likewise.
13731 * m32r.c: Likewise.
13732 * mips.c: Likewise.
13733 * mips.md: Likewise.
13734 * gmon-sol2.c: Likewise.
13735 * sparc.c: Likewise.
13737 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13739 * ns32k-protos.h: New file.
13741 * ns32k.c: Fix compile time warnings.
13743 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13746 * ns32k.md: Likewise.
13748 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13750 * vax-protos.h: New file.
13752 * vax.c: Fix compile time warnings.
13754 * vax.h: Move prototypes to vax-protos.h. Fix compile time
13757 * vax.md: Likewise.
13759 * vaxv.md: Likewise.
13761 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13763 * romp-protos.h: New file.
13765 * romp.c: Fix compile time warnings.
13767 * romp.h: Move prototypes to romp-protos.h. Fix compile time
13770 * romp.md: Likewise.
13772 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13774 * we32k-protos.h: New file.
13776 * we32k.c: Fix compile time warnings.
13778 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
13781 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13783 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
13785 * except.c (eh_regs): Likewise.
13787 * final.c (output_operand): Likewise.
13789 * fold-const.c (target_isinf, target_isnan): Likewise.
13791 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13793 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
13794 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
13796 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
13797 when optimize_size.
13798 (clrstrsi): Rewrite.
13799 (strsethi, strsetqi): New expanders.
13800 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
13801 (cmpstrsi): Emit compare insn before cmpstrsi_1
13802 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
13803 (strlensi_1): Likewise.
13804 (cmpstrsi_1): Likewise; do not output compare.
13805 (strlen expander): Do not unroll when optimizing for size.
13806 (*subsi3_carry): Rename to subsi3_carry
13807 (addqi3_cc): New pattern.
13808 * i386.h (processor_costs): Add move_ratio field.
13809 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
13810 * i386.c (*_cost): Set move_ratio.
13811 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
13812 (x86_expand_strlensi_1): Rewrite the main loop.
13814 2000-01-17 Richard Henderson <rth@cygnus.com>
13816 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
13817 * cse.c (find_comparison_args, fold_rtx): Likewise.
13818 * integrate.c (subst_constants): Likewise.
13819 * loop.c (get_condition): Likewise.
13821 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
13823 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
13825 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13827 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
13828 (RESTORE_WARN_FLAGS): Unpack it.
13829 Change semantic type of extension to ttype.
13830 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
13831 * c-parse.y, c-parse.c, objc/objc-parse.y,
13832 objc/objc-parse.c: Regenerate.
13834 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
13836 * fixinc/fixlib.c: Add copyright notice.
13837 (compile_re): New function.
13838 * fixinc/fixlib.h: Prototype compile_re.
13840 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
13841 Use compile_re to compile regular expressions.
13843 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
13844 where the pattern matched.
13846 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
13848 (ultrix_ansi_compat): Likewise.
13849 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
13851 (interactv_add2, interactv_add3): Delete.
13852 (x11_sprintf): Don't use filename glob.
13853 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
13856 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13858 * print-rtl.c: PROTO -> PARAMS.
13859 * real.c: Likewise.
13860 * reg-stack.c: Likewise.
13861 * resource.c: Likewise.
13862 * sdbout.h: Likewise.
13863 * simplify-rtx.c: Likewise.
13864 * stor-layout.c: Likewise.
13865 * stupid.c: Likewise.
13866 * xcoffout.c: Likewise.
13867 * xcoffout.h: Likewise.
13869 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13871 * toplev.c: PROTO -> PARAMS.
13872 * toplev.h: Likewise.
13873 * tree.c: Likewise.
13874 * tree.h: Likewise.
13875 * unroll.c: Likewise.
13876 * varasm.c: Likewise.
13877 * varray.c: Likewise.
13878 * varray.h: Likewise.
13880 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13882 * reload.c: PROTO -> PARAMS.
13883 * reload.h: Likewise.
13884 * reload1.c: Likewise.
13885 * reorg.c: Likewise.
13886 * resource.h: Likewise.
13889 * rtlanal.c: Likewise.
13890 * sbitmap.h: Likewise.
13891 * sdbout.c: Likewise.
13892 * stack.h: Likewise.
13893 * stmt.c: Likewise.
13894 * system.h: Likewise.
13896 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13898 * machmode.h: PROTO -> PARAMS.
13899 * mbchar.h: Likewise.
13900 * mips-tdump.c: Likewise.
13901 * mips-tfile.c: Likewise.
13902 * optabs.c: Likewise.
13903 * output.h: Likewise.
13904 * prefix.c: Likewise.
13905 * profile.c: Likewise.
13906 * protoize.c: Likewise.
13907 * real.h: Likewise.
13908 * recog.c: Likewise.
13909 * recog.h: Likewise.
13910 * regclass.c: Likewise.
13911 * regmove.c: Likewise.
13912 * regs.h: Likewise.
13914 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13916 * ggc-common.c: PROTO -> PARAMS.
13917 * ggc-page.c: Likewise.
13918 * ggc-simple.c: Likewise.
13920 * global.c: Likewise.
13921 * graph.c: Likewise.
13922 * gthr-win32.h: Likewise.
13923 * haifa-sched.c: Likewise.
13924 * halfpic.h: Likewise.
13925 * integrate.c: Likewise.
13926 * integrate.h: Likewise.
13927 * jump.c: Likewise.
13929 * local-alloc.c: Likewise.
13930 * loop.c: Likewise.
13931 * loop.h: Likewise.
13933 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13935 * genattr.c: PROTO -> PARAMS.
13936 * genattrtab.c: Likewise.
13937 * gencheck.c: Likewise.
13938 * gencodes.c: Likewise.
13939 * genconfig.c: Likewise.
13940 * genemit.c: Likewise.
13941 * genextract.c: Likewise.
13942 * genflags.c: Likewise.
13943 * gengenrtl.c: Likewise.
13944 * genopinit.c: Likewise.
13945 * genoutput.c: Likewise.
13946 * genpeep.c: Likewise.
13947 * genrecog.c: Likewise.
13949 2000-01-16 Mark Mitchell <mark@codesourcery.com>
13951 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
13953 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13955 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
13956 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
13957 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
13958 * configure, config.in: Rebuilt.
13960 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
13962 * config/i386/i386.md: Add peephole to merge successive stack
13965 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
13967 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
13968 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
13969 when walking backwards to find all the parameter loads when
13970 the basic block ends in a call.
13972 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13974 * loop.c (this_loop_info): Delete.
13975 (uid_loop): Add in place of uid_loop_num. All uses updated.
13976 (loop_number_exit_count): Delete and replace with entry in loop
13977 structure. All uses updated.
13978 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13979 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13980 (loop_outer_loop): Likewise.
13981 (loop_invalid, loop_number_exit_labels): Likewise.
13982 (loop_used_count_register): Delete and replace with entry in
13983 loop_info structure.
13984 (find_and_verify_loops): Add loops argument.
13985 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
13986 loop_end, etc. arguments with loop structure pointer. All callers
13988 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
13989 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
13990 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
13991 (insert_bct): Likewise.
13992 (basic_induction_var): New argument level.
13993 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
13994 vtop, and cont. Add used_count_register.
13995 (uid_loop): Delete declaration.
13996 (loop_number_exit_count): Likewise.
13997 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13998 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13999 (loop_outer_loop, loop_used_count_register): Likewise.
14000 (loop_invalid, loop_number_exit_labels): Likewise.
14001 (unroll_loop): Replace loop_start and loop_end arguments
14002 with loop structure pointer.
14003 (loop_precondition_p, loop_iterations): Likewise.
14004 Include basic-block.h.
14005 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
14006 with loop structure pointer.
14007 (loop_precondition_p, loop_iterations): Likewise.
14008 * basic-block.h (struct loop): New entries vtop, cont,
14009 cont_dominator, start, end, top, scan_start, exit_labels,
14011 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
14013 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14015 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
14017 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
14019 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
14021 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14023 * pdp11-protos.h: New file.
14025 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
14028 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
14031 * pdp11.md: Likewise.
14033 * 2bsd.h: Likewise.
14035 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14037 * mn10300-protos.h: New file.
14039 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
14042 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
14045 * mn10300.md: Likewise.
14047 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14049 * mn10200-protos.h: New file.
14051 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
14054 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
14057 * mn10200.md: Likewise.
14059 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14061 * h8300-protos.h: New file.
14063 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
14066 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
14069 * h8300.md: Likewise.
14071 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14073 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
14074 (asm_emit_uninitialised): Likewise.
14076 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
14078 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
14079 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
14081 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14083 * config/mips/mips.c (override_options): Don't turn on extra
14084 alignment for mips16.
14086 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14088 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
14089 eabi, and make sure queued POSTINCREMENT rtl is emitted at
14092 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14094 * builtins.c (PAD_VARARGS_DOWN): Define.
14095 (std_expand_builtin_va_arg): Use the above macro.
14096 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
14097 * tm.texi (Register Arguments): Document the above macro.
14099 2000-01-14 Nick Clifton <nickc@cygnus.com>
14101 * emit-rtl.c (emit_insn): If checking is enabled, make sure
14102 that this function has not been used to emit a jump
14105 * jump.c (return_jump_1): Cope with being passed a null rtx.
14107 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14109 * eh-common.h: PROTO -> PARAMS.
14110 * emit-rtl.c: Likewise.
14111 * errors.c: Likewise.
14112 * errors.h: Likewise.
14113 * except.c: Likewise.
14114 * except.h: Likewise.
14115 * explow.c: Likewise.
14116 * expmed.c: Likewise.
14117 * expr.c: Likewise.
14118 * expr.h: Likewise.
14119 * final.c: Likewise.
14120 * fix-header.c: Likewise.
14121 * flow.c: Likewise.
14122 * fold-const.c: Likewise.
14123 * function.c: Likewise.
14124 * function.h: Likewise.
14126 * gcov-io.h: Likewise.
14127 * gcov.c: Likewise.
14128 * gcse.c: Likewise.
14130 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14132 * sh-protos.h: New file.
14134 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
14135 Add static prototypes. Fix compile time warnings.
14137 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
14141 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14143 * arc-protos.h: New file.
14145 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
14148 * arc.h: Move prototypes to arc-protos.h. Fix compile time
14151 * arc.md: Likewise.
14153 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14155 * dsp16xx-protos.h: New file.
14157 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
14160 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
14163 * dsp16xx.md: Likewise.
14165 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14167 * convex-protos.h: New file.
14169 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
14172 * convex.h: Move prototypes to convex-protos.h. Fix compile time
14175 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14177 * elxsi-protos.h: New file.
14179 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
14182 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
14185 * elxsi.md: Likewise.
14187 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14189 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
14190 case for moving from HI/LO/HI_LO_REG. This makes the behavior
14191 match the comment for MIPS16.
14193 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
14195 * flow.c (split_edge): Do not call set_block_for_insn if we
14196 do not have a basic_block_for_insn structure.
14198 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
14199 and destination functions are 32bit aligned within the trampoline.
14200 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
14201 (TRAMPOLINE_ALIGNMENT): Define.
14203 * cse.c (cse_insn): When changing (set (pc) (reg)) to
14204 (set (pc) (label_ref)), verify the change creates a valid insn.
14206 * fr30.c (call_operand): Tighten and rework to match rules for
14207 call RTL expressions.
14208 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
14209 * fr30.md (call patterns): Improve constraints.
14211 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
14213 * fr30.c (fr30_expand_epilogue): Revert last change.
14214 Use emit_jump_insn for the return insn.
14216 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
14217 Stan Cox <scox@cygnus.com>
14219 * predict.c: New file. Preliminary infrastructure work for static
14220 branch prediction and basic block reordering.
14221 * basic-block.h: Add prototype for estimate_probability.
14222 * Makefile.in: Add rules for predict.o.
14224 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
14226 * fixincludes (va_list): Use __not_va_list__ for the dummy.
14227 * fixinc/*: Likewise.
14229 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14231 * cccp.c: PROTO -> PARAMS.
14232 * cexp.y: Likewise.
14233 * collect2.c: Likewise.
14234 * combine.c: Likewise.
14235 * convert.h: Likewise.
14237 * dbxout.c: Likewise.
14238 * dbxout.h: Likewise.
14239 * diagnostic.c: Likewise.
14240 * doprint.c: Likewise.
14241 * dwarf2out.c: Likewise.
14242 * dwarf2out.h: Likewise.
14243 * dwarfout.c: Likewise.
14244 * dwarfout.h: Likewise.
14245 * dyn-string.h: Likewise.
14247 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14249 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
14250 macro conditionals guarding use.
14252 * dwarf2out.c: Include "tm_p.h".
14254 * function.c (locate_and_pad_parm): Mark parameter with
14256 (expand_function_end): Likewise for variable `context'.
14258 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
14260 2000-01-13 Nick Clifton <nickc@cygnus.com>
14262 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
14263 register to prevent compile time warnings.
14265 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
14267 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
14268 to avoid -Wtraditional warning.
14270 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14272 * 1750a-protos.h: New file.
14274 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
14277 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
14280 * 1750a.md: Likewise.
14282 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14284 * a29k-protos.h: New file.
14286 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
14289 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
14292 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14294 * clipper-protos.h: New file.
14296 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
14299 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
14302 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14304 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
14306 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14308 * configure.in (--enable-new-gxx-abi): New option.
14309 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14310 * Makefile.in (GXX_ABI_FLAG): New variable.
14311 * configure: Regenerate.
14313 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14315 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14316 * tm.texi (FORCE_STRUCT_BLK): Document.
14317 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14319 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14321 * config/ns32k/ns32k.md: Revert Jan 9 change.
14323 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14324 to a mode-test, if the predicate is address_operand.
14326 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14328 * combine.c (if_then_else_cond): Be careful about what kinds
14329 of RTL expressions are passed to operand_subword.
14331 * flow.c (split_edge): If we have to insert a new jump, make
14332 sure to associate it with a basic block.
14334 * flow.c (commit_one_edge_insertion): A block with one successor
14335 can end in a JUMP_INSN that is not a simplejump.
14337 2000-01-12 Robert Lipe <robertl@sco.com>
14339 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14340 (BUILD_VA_LIST_TYPE): Define.
14341 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14344 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14346 * cccp.c (do_pragma): Add cast to (char *).
14348 2000-01-12 Richard Henderson <rth@cygnus.com>
14349 Fred Fish <fnf@be.com>
14350 Jason Merrill <jason@cygnus.com>
14352 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14353 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14354 * i386/beos-elf.h, i386/beos-pe.h: New files.
14356 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14357 * cross-make (SYSTEM_HEADER_DIR): Define using
14358 CROSS_SYSTEM_HEADER_DIR.
14360 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14361 (process_command): Use it.
14362 (main): Likewise. Kill trailing = from env vars.
14363 (build_search_list): Put it back.
14364 * collect2.c (main): Use LIBRARY_PATH_ENV.
14366 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14367 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14369 * tm.texi (Frame Layout): Document SMALL_STACK.
14370 * c-common.c (c_common_nodes_and_builtins): Check it.
14372 * system.h: Undef alloca after including glibc's <stdlib.h>,
14373 if USE_C_ALLOCA is defined.
14375 * gcc.c (set_input): New fn.
14376 (main): After all input files are compiled, reset the input file
14379 * aclocal.m4 (rindex, index): If already defined, don't attempt
14382 * ginclude/varargs.h: (__va_list__): Define ifndef.
14383 * ginclude/stdarg.h: Likewise.
14385 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14386 instead of unsigned char.
14388 * hash.h (true, false, boolean): Undef before enum.
14390 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14391 proper type of "HOST_WIDE_INT *", rather than their natural type of
14392 "unsigned HOST_WIDE_INT *".
14394 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14396 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14398 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14400 * regclass.c (choose_hard_reg_mode): Likewise.
14402 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14404 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14406 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14408 * c-common.c: PROTO -> PARAMS.
14409 * c-common.h: Likewise.
14410 * c-decl.c: Likewise.
14411 * c-iterate.c: Likewise.
14412 * c-lang.c: Likewise.
14413 * c-lex.c: Likewise.
14414 * c-lex.h: Likewise.
14415 * c-parse.in: Likewise.
14416 * c-pragma.c: Likewise.
14417 * c-pragma.h: Likewise.
14418 * c-tree.h: Likewise.
14419 * c-typeck.c: Likewise.
14420 * objc/objc-act.c: Likewise.
14421 * objc/objc-act.h: Likewise.
14423 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14425 * m88k-protos.h: New file.
14427 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14430 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14432 * m88k.md: Likewise.
14434 * tekXD88.h: Likewise.
14436 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14438 * m68k-protos.h: New file.
14440 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14443 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14445 * mot3300.h: Likewise.
14447 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14449 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14451 (extract_bitlist): Declare bitlen.
14453 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14455 * cccp.c: Accept and ignore -lang-fortran.
14457 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14458 qualifiers don't match at any level of pointerness.
14460 2000-01-12 Robert Lipe <robertl@sco.com>
14462 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14464 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14466 * reload1.c (reload_reg_unavailable): New static variable.
14467 (reload_reg_free_p): Test it.
14468 (reload_reg_free_for_value_p): Test it instead of
14470 (choose_reload_regs_init): Compute it.
14472 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14474 * reorg.c (fill_slots_from_thread): Check modified_in_p
14477 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14479 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14480 these nodes even if INTERNALS is not set.
14482 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14484 * gcse.c (delete_null_pointer_checks_1): Cope when
14485 get_condition cannot determine the condition.
14487 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14489 * toplev.h (set_message_length): Declare.
14491 * diagnostic.c (obstack_chunk_alloc): Define macro.
14492 (obstack_chunk_free): Likewise.
14493 (struct output_buffer): New data structure.
14494 (vmessage): Remove.
14495 (output_maximum_width): New variable.
14496 (doing_line_wrapping, set_message_length, init_output_buffer,
14497 get_output_prefix, output_space_left, emit_output_prefix,
14498 output_newline, output_append, output_puts, dump_output,
14499 vbuild_message_string, build_message_string, build_location_prefix,
14500 voutput_notice, output_printf, line_wrapper_printf,
14501 vline_wrapper_message_with_location): New functions. Implement
14502 automatic line wrapping.
14503 (v_message_with_decl): Make it handle automatic line wrapping.
14504 (v_error_with_file_and_line): Likewise.
14505 (v_warning_with_file_and_line): Likewise.
14506 (announce_function): Likewise.
14507 (default_print_error_function): Likewise.
14509 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14511 * cpplib.h (struct cpp_options): Change lang_asm to char.
14513 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14514 done in cpp_handle_option now.
14515 (initialize_builtins): Take out special case code used only by
14517 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14518 if -traditional. Recognize -lang-fortran and set
14519 lang_fortran, also turn off cplusplus_comments.
14520 (print_help): Document -lang-fortran.
14521 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14522 lang_asm. Ignore all directives other than `# 123 "file"' if
14524 (cpp_get_token): If -traditional, don't recognize directives
14525 unless the # is in column 1.
14526 (parse_string): If lang_fortran or lang_asm, silently
14527 terminate strings ('' or "") at end of line.
14528 Remove unnecessary braces.
14530 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14531 Richard Henderson <rth@cygnus.com>
14533 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14535 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14536 strict_low_part when possible.
14538 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14540 * alias.c: PROTO -> PARAMS.
14541 * basic-block.h: Likewise.
14542 * bitmap.c: Likewise.
14543 * bitmap.h: Likewise.
14544 * builtins.c: Likewise.
14545 * c-aux-info.c: Likewise.
14546 * caller-save.c: Likewise.
14547 * calls.c: Likewise.
14549 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14551 * Makefile.in (toplev.o): Depend on regs.h.
14553 * output.h (tdesc_section): Prototype.
14555 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14557 * sdbout.c: Include "tm_p.h".
14559 * toplev.c: Include "regs.h".
14561 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14563 * unroll.c (unroll_loop): Add EH support.
14565 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14567 * pa-protos.h: New file.
14569 * pa.c: Include recog.h and tm_p.h.
14570 (compute_zdepwi_operands, compute_movstrsi_length,
14571 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14572 find_addr_reg, import_milli): Add static prototypes.
14573 (pa_cpu_string, pa_arch_string): Constify a char*.
14574 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14575 (read_only_operand): Add argument `mode'.
14576 (singlemove_string, output_move_double, output_fp_move_double,
14577 output_block_move, output_and, output_ior, output_ascii,
14578 remove_useless_addtr_insns, milli_names, output_mul_insn,
14579 output_div_insn, output_mod_insn, output_arg_descriptor,
14580 output_cbranch, output_bb, output_bvb, output_dbra, ,
14581 output_millicode_call, output_call, hppa_encode_label,
14582 output_parallel_movb, output_parallel_addb): Constify a char*.
14583 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14584 (output_parallel_addb): Remove extra arg to `constrain_operands'
14586 * pa.h: Move all prototypes to pa-protos.h.
14587 (pa_cpu_string, pa_arch_string): Constify a char*.
14588 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14590 * pa.md: Call `function_label_operand' with mode argument.
14591 Likewise for `read_only_operand'.
14592 Fix nesting of parens in call to `symbolic_operand'.
14594 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14596 * i860-protos.h: New file.
14598 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14601 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14603 * i860.md: Likewise.
14605 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14607 * i386.md (movstrsi expander): Rewrite.
14608 (movstrsi_1 insn): Deleted.
14609 (strmovhi, strmovqi expander): New expanders.
14610 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14611 * i386.c (x86_single_stringop): New global variable.
14612 * i386.h (x86_single_stringop): Declare.
14613 (TARGET_SINGLE_STRINGOP): New macro.
14615 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14617 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14618 integer vararg POSTINCREMENT before the destination of the jump
14619 for the hard fp case.
14620 (function_arg_pass_by_reference): Pass a copy of CUM to
14623 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14624 for CONSTANT_ADDRESS_P above while loop for subreg.
14626 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14628 * flow.c (propagate_block): When a prologue/epilogue insn
14629 is marked dead, unconditionally clear libcall_is_dead and
14630 insn_is_dead, and only dump rtl if warnings aren't being
14633 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14635 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14636 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14637 (FIXED_REGISTERS): Set dirflag as fixed.
14638 (CALL_USED_REGISTERS): Set dirflag as used.
14639 (REG_ALLOC_ORDER): Set dirflag as last one.
14640 (DIRFLAG_REG): New macro.
14641 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14642 (HI_REGISTER_NAMES): Add dirflag.
14643 (DEBUF_PRINT_REG): Handle dirflag.
14644 * i386.md (type attribute): New cld and str types.
14645 (length_opcode attribute): Set cld and str to 1.
14646 (memory attribute): Set str to unknown - it is not clear from the
14648 (pent_np function unit): Prefixed string operations takes 12 cycles
14649 minimally; cld takes 2 cycles.
14650 (ppro_uops attribute): Str is "many" and cld is "few".
14651 (ppro_p0 unit): Handle cld here.
14652 (k6_alux unit): Handle cld and str types.
14653 (k6_load unit): It is ocupied by str opcodes.
14654 (k6_store unit): It is ocupied by str opcodes.
14655 (athlon_decode): Str is vector decoded.
14656 (athlon_ieu): Handle str and cld.
14657 (cld pattern): New.
14658 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14659 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14660 cmpstrsi_nz_1 insn): Do not output cld instruction
14662 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14664 * gcc.texi (G++ and GCC): Add Java and Chill.
14665 (Bug Critera): Don't list languages.
14667 * gcc.texi (Incompatibilities): No longer claim most C compilers
14670 * gcc.texi (G++ and GCC): Update other front-ends list.
14672 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14674 * i386.c (ix86_expand_setcc): Fix typo.
14675 (ix86_expand_movcc): Similarly.
14677 * Band-aid until haifa's bitset implementation is nuked.
14678 * haifa-sched.c (extract_bitlst): New parameter for size of the
14679 bitset in bits. All callers changed. Avoid looking at undefined
14680 bits in the bitset.
14681 (edgeset_bitsize): New variable.
14682 (schedule_region): Initialize edgeset_bitsize.
14684 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14686 * Makefile.in (optabs.o): Depend on real.h
14687 (resource.o): Depend on insn-attr.h
14689 * builtins.c (result_vector): Wrap prototype in macro conditions
14690 governing definition and use.
14692 * c-common.c: Include tm_p.h.
14694 * c-lex.c: Likewise.
14696 * elfos.h: Constify a char*.
14698 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14699 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14700 parameter with ATTRIBUTE_UNUSED.
14702 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14705 * haifa-sched.c (schedule_insns): Mark parameter with
14708 * optabs.c: Include real.h.
14710 * real.h (ereal_atof): Add prototype arguments.
14712 * resource.c: Include insn-attr.h.
14714 * sdbout.c (sdbout_queue_anonymous_type,
14715 sdbout_dequeue_anonymous_types): Wrap in macro
14716 SDB_ALLOW_FORWARD_REFERENCES.
14717 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14720 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14722 * stupid.c: Include tm_p.h.
14724 * tree.c (real_value_from_int_cst): Mark parameter with
14727 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14729 * i960-protos.h: New file.
14731 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14734 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14736 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14738 * combine.c (expand_field_assignment): Do not discard SUBREGs
14739 while computing nonzero_bits.
14741 2000-01-09 Nick Clifton <nickc@cygnus.com>
14743 * config/arm/arm.c: Fix compile time warnings about signed vs
14744 unsigned constants.
14745 * config/arm/arm.h: Fix compile time warnings about signed vs
14746 unsigned constants.
14748 2000-01-09 Philip Blundell <philb@gnu.org>
14750 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14751 than `ldm' with only one register.
14752 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
14755 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
14758 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
14760 * config/ns32k/ns32k.md (load or push effective address): Operand 1
14763 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14765 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
14766 assignment used as truth value.
14768 * function.c (assign_temp): Mark parameter `dont_promote' with
14769 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
14770 PROMOTE_FOR_CALL_ONLY.
14772 * genrecog.c (write_subroutine): Mark variable `operands' with
14775 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
14778 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
14779 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
14781 * toplev.c (note_deferral_of_defined_inline_function): Likewise
14784 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14786 * config/c4x.h: Tidy up comments.
14787 * config/c4x.c: Likewise.
14789 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
14791 * fold-const.c (lshift_double, rshift_double): Handle
14792 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
14794 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14796 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
14797 in prepare_function_start().
14799 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
14801 * config/v850/v850.c (expand_epilogue): Interrupt functions no
14802 longer allocate extra stack for function calls.
14804 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14806 * config/c4x/c4x.md (*subqf3_set): Fix typo.
14808 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14810 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
14812 2000-01-07 David Edelsohn <edelsohn@gnu.org>
14814 * rs6000.c (processor_target_table): Add power3 as alias for 630.
14815 * aix43.h: Revert Aug 2 change.
14816 (HAS_INIT_SECTION): Define, not visible yet.
14817 (LD_INIT_SWITCH): Define, not visible yet.
14818 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
14820 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
14822 * collect2.c (main): Expand ld2 size further.
14823 (export_object_lst): Cast assignment to avoid warning.
14824 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
14825 (scan_prog_file, COFF): Do not collect initialization or
14826 finalization functions generated for entire shared object if
14827 init/fini support present.
14829 2000-01-07 Nick Clifton <nickc@cygnus.com>
14831 * config/elfos.h: Tidy up formatting of marcos. Make sure
14832 that .section directives are always prefixed by a tab.
14834 * config/svr4.h: Add #include "elfos.h" and remove duplicate
14837 2000-01-07 Matt Austern <austern@sgi.com>
14839 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
14842 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
14844 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
14846 (crtbegin.o, s-crtS): Likewise.
14848 2000-01-06 Richard Henderson <rth@cygnus.com>
14850 * alpha.md (adddi_2+1): Limit offset such that it will be
14851 loadable with a single ldah+lda pair.
14852 (adddi_2+2): Explicitly fail split if we can't make it work.
14854 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
14856 * protoize.c: Conditionally include unistd.h.
14857 (IS_SAME_PATH_CHAR): New macro.
14858 (IS_SAME_PATH): New macro.
14859 (CPLUS_FILE_SUFFIX): New macro.
14860 (cplus_suffix): New static variable.
14861 (is_abspath): New static function.
14862 (in_system_include_dir): Handle DOS style pathnames.
14863 (file_could_be_converted): Likewise.
14864 (file_normally_convertible): Likewise.
14865 (directory_specified_p): Likewise.
14866 (file_excluded_p): Likewise.
14867 (abspath): Likewise.
14868 (shortpath): Likewise.
14869 (referenced_file_is_newer): Likewise.
14870 (save_def_or_dec): Likewise.
14871 (do_processing): Likewise.
14873 (edit_file): Likewise. Use rename instead of link.
14874 (rename_c_file): Likewise. Don't rename syscalls file.
14875 (munge_compile_params): Define null device for DOS based systems.
14876 (process_aux_info_file): Use binary mode if appliable.
14877 (edit_file): Likewise.
14878 * invoke.texi (Running Protoize): Document C++ suffixes used.
14880 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
14881 IS_DIR_SEPARATOR macros.
14882 * collect2.c: Likewise.
14883 * cppinit.c: Likewise.
14884 * dwarf2out.c: Likewise.
14886 * gcov.c: Likewise.
14887 * prefix.c: Likewise.
14889 * toplev.c: Likewise.
14890 * system.h: And move to here.
14892 * prefix.c (update_path): Fix typo in variable name.
14894 2000-01-06 Richard Henderson <rth@cygnus.com>
14896 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
14897 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
14898 (count_reg_sets_1, count_reg_references): Likewise.
14899 (flow_loops_level_compute): Start counting actual loop depth at 1.
14900 (flow_loops_find): Likewise.
14901 * local-alloc.c (update_equiv_regs): Likewise.
14902 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
14904 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14906 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
14907 FIRST_PSEUDO_REGISTER
14908 * dwarf2out.c: Don't include frame.h
14909 * dwarfout.c: Likewise
14910 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
14913 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
14915 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14918 * i386.c (movsf splitter): Fix typo in my last checkin.
14920 2000-01-05 Nick Clifton <nickc@cygnus.com>
14922 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
14923 own definition of this macro.
14924 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
14925 flag_data_sections or UNIQUE_SECTION_P are true.
14927 * tm.texi (UNIQUE_SECTION): Document that it can be called for
14928 unitialised data decls.
14930 * config/i386/winnt.c (i386_pe_unique_section): Cope with
14931 being called for uninitialised data.
14933 * config/i386/interix.c (i386_pe_unique_section): Cope with
14934 being called for uninitialised data.
14936 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
14937 for uninitialised data.
14939 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
14940 for uninitialised data.
14942 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
14943 for uninitialised data.
14945 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
14946 (UNIQUE_SECTION_P): Always generate a unique section if
14947 flag_data_sections is true.
14948 (UNIQUE_SECTION): Also generate unique sections for
14949 uninitialised data.
14950 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
14951 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
14954 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14956 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
14959 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14961 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
14962 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
14963 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
14964 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
14965 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
14967 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
14969 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14971 * c-decl.c (finish_enum): Simplify code to determine minimum and
14972 maximum values of the enum, and calculate the type. Remove check
14973 for FUNCTION_DECLs in the values list, which cannot happen. Replace
14974 the DECL_INITIAL of each enumeration constant with a copy converted
14975 to the enumeration type. When updating variant types, don't bother
14976 updating the type itself.
14978 * c-typeck.c (build_binary_op): Simplify conditional expressions
14979 when weeding out spurious signed-unsigned warnings. Add new
14980 spurious warning category: if the unsigned quantity is an enum
14981 and its maximum value fits in signed_type(result_type). Update
14983 (build_conditional_expr): Warn here if one alternative is signed
14984 and the other is unsigned.
14986 2000-01-05 Nick Clifton <nickc@cygnus.com>
14988 * config/fr30/fr30.h: Remove extraneous comments.
14990 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
14992 * reload1.c (choose_reload_regs): When disabling a reload, also
14993 set reload_spill_index to -1.
14995 2000-01-04 Joel Sherrill (joel@OARcorp.com>
14997 * configure.in (m68*-*-rtemscoff*): New target, formal name for
14999 (m68*-*-rtemself*): New target.
15000 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
15001 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
15002 (sparc*-*-rtemself*): New target.
15003 (sparc*-*-rtems*): Now elf not a.out.
15004 * config/i386/rtems.h: Include config/rtems.h.
15005 * config/i386/rtemself.h: Include config/rtems.h.
15006 * config/i960/rtems.h: Include config/rtems.h.
15007 * config/m68k/rtems.h: Include config/rtems.h.
15008 * config/m68k/rtemself.h: Include config/rtems.h.
15009 * config/mips/rtems64.h: Include config/rtems.h.
15010 * config/pa/rtems.h: Include config/rtems.h.
15011 * config/rs6000/rtems.h: Include config/rtems.h.
15012 * config/sh/rtems.h: Include config/rtems.h.
15013 * config/sh/rtemself.h: Include config/rtems.h.
15014 * config/sparc/rtems.h: Include config/rtems.h.
15015 * config/sparc/rtemself.h: Include config/rtems.h
15017 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
15019 * final.c (shorten_branches): Correctly compute length of
15020 asms without operands.
15022 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
15024 * configure.in: Add pj target.
15025 * configure: Regenerate.
15026 * config/pj: New directory.
15027 * config/pj/lib1funcs.S: New file.
15028 * config/pj/linux.h: New file.
15029 * config/pj/pj.c: New file.
15030 * config/pj/pj.md: New file.
15031 * config/pj/pjl.h: New file.
15032 * config/pj/t-pj: New file.
15033 * config/pj/xm-pj.h: New file
15035 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
15037 * toplev.c (rest_of_compilation): Run shorten-branches before
15040 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15042 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
15043 macros so that they're consistent with their names.
15044 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15045 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15047 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15049 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
15050 modified inadvertently.
15052 2000-01-04 Joel Sherrill <joel@OARcorp.com>
15054 * configure.in (v850*-*-rtems*): New target.
15055 * configure: Regenerate.
15056 * config/v850/rtems.h: New file.
15058 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
15060 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
15061 (__gthread_key_create): Likewise.
15062 (__gthread_key_dtor): Likewise.
15063 (__gthread_once): Fix logic.
15064 (__gthread_key_delete): Cast away constness.
15066 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
15067 * invoke.texi: Document.
15068 * i386/mingw32.h (CPP_SPEC): Use.
15069 (LIBGCC_SPEC): Likewise.
15070 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
15072 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15074 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
15075 (HANDLE_PRAGMA_PACK): Undefine.
15076 (SLOW_UNALIGNED_ACCESS): Define.
15078 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15080 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15081 to default definition.
15082 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
15083 (store_fixed_bit_field): Call macro with word_mode and alignment.
15084 (extract_bit_field): Call macro with relevant mode and alignment.
15085 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15086 to default definition.
15087 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
15089 (move_by_pieces_ninsns): Likewise.
15090 (clear_by_pieces): Likewise.
15091 (emit_push_insn): Likewise.
15092 (store_field): Call macro with relevant mode and alignment.
15093 (expand_expr): Likewise.
15094 (expand_expr_unaligned): Likewise.
15096 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
15097 (SLOW_UNALIGNED_ACCESS): Define.
15098 (CASE_VECTOR_MODE): Always use 32-bit offsets.
15099 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
15100 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
15101 (toc_section): Likewise and .toc pseudo-op.
15102 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
15104 (TEXT_SECTION_ASM_OP): Likewise.
15105 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
15108 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
15109 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
15110 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
15111 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
15112 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
15114 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
15116 * regclass.c: Revert my Jan 4 change to loop cost computation.
15118 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15120 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
15123 2000-01-04 Stan Cox <scox@cygnus.com>
15125 * haifa-sched.c (build_control_flow): Change unreachable simple
15126 loop test to check if current block has only one predecessor.
15127 (find_rgns): Initialize degree. Use dest as degree index, not src.
15129 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15131 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
15133 * calls.c (expand_call): Likewise for
15134 `old_stack_arg_under_construction'.
15136 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
15138 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
15141 * gcc.c (execute): Likewise for `ut' and `st'.
15143 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
15145 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
15147 * jump.c (jump_optimize_1): Likewise for `temp2'.
15149 * local-alloc.c (block_alloc): Likewise for `r1'.
15151 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
15153 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
15154 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
15156 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
15159 * reload.c (find_reloads): Likewise for `goal_alternative_number'
15160 and `goal_earlyclobber'.
15162 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
15164 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
15166 * stupid.c (stupid_life_analysis): Likewise for `chain'.
15168 * unroll.c (copy_loop_body): Likewise for `copy'.
15170 * varasm.c (output_constructor): Likewise for `byte'.
15172 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15174 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
15175 all FP constants for constant->reg moves.
15176 (ix86_split_to_parts): Try to convert memory address into immediate
15177 when available in the constant pool.
15178 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
15180 (LEGITIMATE_CONSTANT_P): Return 1.
15181 * i386.md (pushsf): New splitter to convert constant pool memory
15182 reference to immediate.
15183 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
15186 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
15188 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
15189 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
15190 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
15191 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
15192 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
15194 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
15196 * ginclude/stdbool.h: Support compilation as C++.
15198 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15200 * fold-const.c (make_range): Don't try to reverse an unbounded range.
15202 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
15204 * regclass.c (regclass): Properly compute loop_cost. Adjust
15207 * regclass.c: Fix minor whitespace problems.
15209 2000-01-03 Anthony Green <green@cygnus.com>
15211 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
15212 Restore the pic register if required.
15214 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
15216 * c-common.c (format_char_info): Update comment.
15217 (check_format_info): Recognize 'z' modifier in the same way 'Z'
15218 was recognized. Emit warning for formats new in ISO C99 only
15219 if flag_isoc9x is not set.
15221 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
15223 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
15225 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15227 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
15228 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
15229 (make_compound_operation): Choose cheaper alternative between
15230 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
15232 * regclass.c (op_costs): Remove global variable.
15233 (record_reg_classes): New parameter "op_costs" and "reg_pref".
15234 (record_operand_costs): Break out from ...
15235 (scan_one_insn): ... here.
15236 (dump_regclass): Make dumps nicer.
15237 (regclass): Dump preferrences choosed and changes done during passes.
15239 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15241 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
15243 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15245 * config/sparc/sparc.c (gen_df_reg): New function.
15246 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
15247 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
15248 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
15249 movtf_cc_reg_sp64+1): Use it.
15251 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15253 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
15254 copied LABEL_DECLs.
15256 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15258 * config/i386/i386.c (ix86_expand_unary_operator): Function
15259 definition made void.
15260 (ix86_expand_binary_operator): Update outdated preceding comment.
15261 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
15264 * config/i386/i386.c (override_options): Fix option-name typo.
15266 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15268 * system.h (CEIL): Define.
15269 * builtins.c (CEIL): Remove.
15270 * expmed.c (CEIL): Likewise.
15271 * expr.c (CEIL): Likewise.
15272 * stor-layout.c (CEIL): Likewise.
15274 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15276 * expr.c (store_constructor_field): Fix typo introduced with last
15279 2000-01-01 Mark Mitchell <mark@codesourcery.com>
15281 * tree.h (BINFO_N_BASETYPES): New macro.
15283 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
15285 * expmed.c (emit_store_flag): Prevent losing a pending stack
15286 adjust the same way we prevent losing queued increments.
15288 See ChangeLog.2 for earlier changes.