1 2000-11-28 Neil Booth <neilb@earthling.net>
3 * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
4 indicating whether to scan all buffers on the stack or
6 * cppinit.c (do_includes): Update.
7 * cppmain.c (main): Update.
8 * cpplib.h: Update prototype.
10 2000-11-28 Richard Henderson <rth@redhat.com>
12 * genoutput.c (validate_insn_operands): New.
15 * config/alpha/alpha.md (divmodsi_internal): Renumber operands.
16 (divmoddi_internal): Likewise.
17 * config/arm/arm.md (andsi3_compare0_scratch): Likewise.
18 * config/i960/i960.md (branch patterns): Likewise.
19 * config/ia64/ia64.md (tbit_and_0): Likewise.
20 (tbit_and_1, tbit_or_0, tbit_or_1): Likewise.
21 * config/m68k/m68k.md (zero_extract memory patterns): Likewise.
22 * config/mips/mips.md (divmodsi4_internal): Likewise.
23 (divmoddi4_internal): Likewise.
24 * config/rs6000/rs6000.md (call patterns): Likewise.
25 * config/sh/sh.md (movsi_y): Likewise.
26 * config/sparc/sparc.md: Comment out if 0 v8p shift pattern.
28 2000-11-28 Richard Henderson <rth@redhat.com>
30 * config.gcc: Kill residual pyramid support.
32 2000-11-28 Neil Booth <neilb@earthling.net>
34 * c-lex.h (parse_in): Change parse_in to a cpp_reader *.
35 * c-decl.c (c_decode_option): Update to match.
36 * c-lex.c (init_c_lex, yyparse): Update to match.
37 * c-lang.c (lang_init_options): Use cpp_create_reader.
38 * cppinit.c (cpp_init): Rename initialize.
39 (cpp_reader_init): Rename cpp_create_reader. Create the
40 reader. Initialize cpplib if appropriate.
41 * cpplib.h (cpp_create_reader) New prototype.
42 (cpp_init, cpp_reader_init): Delete prototypes.
43 * cppmain.c (general_init, setup_callbacks): New functions.
45 * fix-header.c (scan_in): Change type to cpp_reader *.
46 (read_scan_file): Update for new cpplib interface and scan_in type.
48 * cp/decl.c (parse_in): Change to cpp_reader *.
49 (lang_decode_option): Update.
50 * cp/lex.c (lang_init_options): Use new cpplib interface.
51 (init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
52 * cp/spew.c (read_token): Update.
53 * objc/objc-act.c (lang_init_options): Update new cpplib interface.
55 2000-11-28 Jakub Jelinek <jakub@redhat.com>
57 * loop.c (load_mems): Avoid using next_label to find end_label. If
58 jumping outside of the loop (other than loop end), don't hoist MEMs
61 2000-11-28 Jan Hubicka <jh@suse.cz>
63 * calls.c (expand_call): Don't disable tail recursion based
66 2000-11-28 Neil Booth <neilb@earthling.net>
68 * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT.
69 (struct directive): Drop 4th argument from handlers.
70 (do_define, do_line, do_include, do_undef, do_else, do_elif,
72 (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers.
73 (do_ifxdef): Update as common handler of do_ifdef and do_ifndef.
74 (make_definition, make_undef): Take a const char*.
75 (make_assertion): New function.
76 (struct directive_table): Update.
77 (main): Handle -A command line argument.
78 (handle_directive): Drop fourth handler argument.
80 2000-11-28 Bernd Schmidt <bernds@redhat.co.uk>
82 * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination
83 is anything but REG or MEM, but look inside STRICT_LOW_PART.
85 Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
87 * system.h (IS_DIR_SEPARATOR): Use uppercase macro name.
88 (IS_ABSOLUTE_PATHNAME): New macro.
89 * gcc.c (find_a_file, process_command, do_spec_1, main): Use it.
91 2000-11-28 Jakub Jelinek <jakub@redhat.com>
93 * config/i386/i386.md (truncxfsf2_2): Fix predicate.
95 2000-11-27 Jim Wilson <wilson@redhat.com>
97 * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size.
99 2000-11-27 Matthias Klose <doko@cs.tu-berlin.de>
101 * extend.texi (Nested Functions): Update URL of Usenix paper.
103 2000-11-27 Mark Mitchell <mark@codesourcery.com>
105 * function.c (free_after_compilation): Clear x_clobber_return_insn.
107 2000-11-27 Neil Booth <neilb@earthling.net>
109 * cppinit.c (cpp_reader_init): Remove handling of warn_paste
110 command line options.
111 (cpp_handle_option): Similarly.
112 * cpplib.h (struct cpp_options): Remove warn_paste.
113 * cppmacro.c (paste_tokens): Apart from assembler, make
114 unpasteable token warning mandatory.
116 2000-11-27 Neil Booth <neilb@earthling.net>
118 * tradcpp.c (enum pending_dir_t, struct pending_dir): New.
119 (main): Allocate a pending directive set of these. Use it.
120 Merge handling of -D and -U. Update handling of pending
121 directives. Free the memory after use.
123 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
125 * flow.c (entry_exit_blocks): Add entry for cond_local_set.
126 (struct propagate_block_info): Add new member cond_local_set.
127 (propagate_block): Accept new arg cond_local_set. All callers
129 (init_propagate_block_info): Likewise.
130 (calculate_global_regs_live): Allocate & free cond_local_set. Always
131 rescan if there's overlap between cond_local_set and new_live_at_end.
132 (mark_set_1): Set bits either in cond_local_set or local_set, as
134 * basic-block.h (struct basic_block_def): New field cond_local_set.
135 (propagate_block, init_propagate_block_info): Update prototypes.
137 Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
139 * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
142 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
144 * arm.c (select_dominance_cc_mode): Handle new way that combine
145 canonicalizes conditional compares.
146 (arm_select_cc_mode): Likewise.
147 * arm.md: Garbage collect some dead code.
148 (cmp_and, cmp_ior): New patterns.
149 (splitter for conditional move with inverted false): Use cond_exec
150 and handle unordered comparisons.
152 Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
154 * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
155 * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
156 * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
157 ix86_force_to_memory and ix86_free_from_memory.
159 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
161 * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
162 arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
163 anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
164 one_cmpldi2): Merge with splitters to create define_insn_and_split
165 patterns. Remove redundant splits.
166 (peephole2 for add:SI of invalid immediate): New.
167 (peephole2 for minus:SI of invalid immediate): New.
168 (peephole2 for ior:SI of invalid immediate): New.
169 (peephole for merge of move and compare): Convert ot peephole2.
170 (addsf3, adddf3): Mark as commutative.
172 * arm.md (thumb peephole for merging stack adjustments): Convert to
175 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
177 * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
179 * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
180 (reload_cse_simplify_operands): Do nothing about operands where both
181 the operand and the match_operand fail to give us a mode.
182 * simplify-rtx.c (wrap_constant): New function.
183 (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
184 CONST describing the proper mode.
185 (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
187 (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
188 htab_find_slot_with_hash.
189 (cselib_lookup): Likewise.
191 Based on a patch from Geoff Keating <geoffk@redhat.com>:
192 * loop.c (basic_induction_var): If a REG is set from something
193 that is not a biv, then the REG is not a biv. Even if it is
194 earlier set from something that is a biv.
196 2000-11-27 Alexandre Oliva <aoliva@redhat.com>
198 * configure.in (extra_objs): Enclose extra_headers in quotes.
199 * configure: Rebuilt.
201 2000-11-27 Neil Booth <neilb@earthling.net>
203 * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
204 Combine into the new function cb_change_file.
205 (init_c_lex): Update.
206 * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
207 (cpp_syshdr_flags): Delete.
208 * cpphash.h (_cpp_do_file_change): New prototype.
209 Move struct cpp_buffer here from...
210 * cpplib.h (struct cpp_buffer): ... here.
211 (enum cpp_fc_reason, struct cpp_file_loc,
212 struct_cpp_file_change, change_file): New.
213 (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
214 * cpplib.c (do_line): Update for new cb_change_file callback.
215 (_cpp_do_file_change): New function.
216 (_cpp_pop_buffer): Update to use it.
217 * cppmain.c (move_printer): Delete.
218 (main): Set up single callback cb_change_file.
219 (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
220 (cb_change_file): New.
221 * fix-header.c (cur_file, cb_change_file): New.
222 (recognized_function, read_scan_file): Update.
223 * scan-decls.c (scan_decls): Update.
224 * scan.h (recognized_function): Update prototype.
226 2000-11-26 Mark Mitchell <mark@codesourcery.com>
228 * tree.h (mark_tree_hashtable): New function.
229 * tree.c (mark_tree_hashtable_entry): New function.
230 (mark_tree_hashtable): Likewise.
232 2000-11-27 Michael Meissner <meissner@redhat.com>
234 * d30v-protos.h (srelational_si_operator): Correctly spell
236 (urelational_si_operator): Ditto.
237 (relational_si_operator): Ditto.
238 (d30v_expand_prologue): Add prototype.
239 (d30v_expand_epilogue): Ditto.
241 * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
243 * d30v.md (movcccc_*): Delete now unused patterns.
244 (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
246 (define_cond_exec): Use 'b' to select branch flags.
248 2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
250 * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
252 (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
254 * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
256 * c-common.c (c_common_nodes_and_builtins): Declare builtin
259 * extend.texi (strncmp, strncpy): Document new builtins.
261 2000-11-26 Mark Mitchell <mark@codesourcery.com>
263 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
264 a list, to keep track of the sections.
265 * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
266 parameter provided will always be a canonical string.
268 2000-11-26 Neil Booth <neilb@earthling.net>
270 * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
273 2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
275 * makefile.vms: Remove EGCS references.
277 2000-11-26 Ulrich Drepper <drepper@redhat.com>
279 * dwarf2out.c (output_file_names): New function. Compute minimal
280 combination of directory and file name table and emit them.
281 (output_line_info): Remove code to emit directory and file name
282 table and call output_file_names instead.
283 (file_info_cmp): Helper function to sort directory names.
285 2000-11-26 Neil Booth <neilb@earthling.net>
287 * cpplib.h (struct cpp_reader): Remove lang_asm.
288 (struct cpp_options): Remove c89. New members lang,
290 * cppexp.c (parse_number): Use them.
291 * cpphash.h (VALID_SIGN): Use them.
292 * cppinit.c (set_lang, cpp_start_read): Update.
293 * cpplex.c (parse_string, _cpp_lex_token): Update.
294 * cpplib.c (_cpp_handle_directive): Update.
295 * cppmacro.c (parse_args): Update.
296 * cppmain.c (scan_buffer): Update.
298 Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
300 * fold-const.c (fold, case CONVERT_EXPR): Always return tree of
303 2000-11-26 Neil Booth <neilb@earthling.net>
305 * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
306 * c-decl.c: Remove parse_in declaration.
307 * c-lang.c: Similarly.
308 * c-lex.c: Similarly.
309 * c-parse.in: Similarly.
310 * c-pragma.c: Similarly.
311 * configure.in: Similarly.
312 * cp/Make-lang.in: Similarly.
313 * cp/spew.c: Similarly.
314 * cp/decl2.c: Remove check for lang-c++ option.
315 * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
316 * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
317 * c-lex.h: Add declaration of parse_in.
318 * cppinit.c: Call set_lang after allocating pfile->pending.
319 * configure: Regenerate.
321 2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
323 * combine.c (try_combine): Remove redundant test.
325 2000-11-25 Richard Henderson <rth@redhat.com>
327 * c-common.h (DECL_C_HARD_REGISTER): New.
328 * c-decl.c (finish_decl): Set it for asm register variables.
329 * c-semantics.c (emit_local_var): Test it when instantiating one.
331 2000-11-25 Richard Henderson <rth@redhat.com>
333 * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
334 lineno for the start of the function.
336 2000-11-25 Richard Henderson <rth@redhat.com>
338 * dwarf2out.c (file_table, file_table_allocated): Remove.
339 (file_table_allocated): Remove.
340 (struct file_table): New.
341 (decl_file_table, line_file_table): New.
342 (print_dwarf_line_table): Use them.
343 (size_of_line_prolog): Likewise.
344 (output_line_info): Likewise.
345 (add_src_coords_attributes): Likewise.
346 (gen_subprogram_die): Likewise.
347 (gen_variable_die): Likewise.
348 (dwarf2out_add_library_unit_info): Likewise.
349 (dwarf2out_line): Likewise.
350 (lookup_filename): Take a struct file_table argument.
351 (init_file_table): New.
352 (dwarf2out_init): Use it.
354 2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
356 * invoke.texi: Update sequence points references.
358 2000-11-25 Neil Booth <neilb@earthling.net>
360 * c-common.c: Remove USE_CPPLIB conditional inclusions.
361 * c-common.h: Similarly.
362 * c-decl.c: Similarly.
363 * c-lang.c: Similarly.
364 * c-lex.c: Similarly.
365 * c-parse.in: Similarly.
366 * c-pragma.c: Similarly.
367 * c-pragma.h: Similarly.
369 * toplev.c: Similarly.
370 * cp/cp-tree.h: Similarly.
371 * cp/decl2.c: Similarly.
372 * cp/lang-specs.h: Similarly.
373 * cp/lex.c: Similarly.
374 * cp/lex.h: Similarly.
375 * cp/spew.c: Similarly.
376 * java/lang-options.h: Similarly.
377 * objc/lang-specs.h: Similarly.
378 * objc/objc-act.c: Similarly.
380 * configure.in: Remove configure option.
381 * config.in: Regenerate.
382 * configure: Regenerate.
384 2000-11-25 Richard Henderson <rth@redhat.com>
386 * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
387 Revert 2000-11-22 change.
389 2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
391 * config/i386/i386.h (FIXED_REGS): Make the three flags registers
394 2000-11-25 Philipp Thomas <pthomas@suse.de>
395 * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
396 * configure: Rebuilt.
398 2000-11-25 Jakub Jelinek <jakub@redhat.com>
400 * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
401 Handle CONST_INT as second argument.
402 * config/sparc/sparc.c (set_extends): Remove first argument.
403 Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
405 (sparc_check_64): Abort if first argument is not REG.
406 If it is DImode REG, look at the lower register of the register
409 * config/sparc/sparc.c (load_pic_register, restore_regs,
410 output_return, sparc_v8plus_shift, sparc_function_profiler,
411 sparc_function_block_profiler, sparc_block_profiler): Fix output
414 2000-11-25 Alexandre Oliva <aoliva@redhat.com>
416 * config/sh/sh.h (TARGET_NONE): New.
417 (TARGET_SWITCHES): For all variant-selecting switch, use
418 TARGET_NONE to reset all other variant-selecting switch. Added
419 empty strings to avoid warnings.
420 (TARGET_DEFAULT): Set to SH1_BIT.
422 * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
425 * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
426 (sibcall_pcrel): New insn_and_split.
427 (sibcall, sibcall_value, sibcall_epilogue): New expands.
429 * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
430 symPLT_label2reg, call, call_value): Don't set
431 current_function_uses_pic_offset_table.
432 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
433 PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
434 takes it into account.
435 (FINALIZE_PIC): Delete, useless.
436 (LEGITIMATE_CONSTANT_P): Delete, unused.
437 * config/sh/sh.c (sh_expand_prologue): Don't use
438 current_function_uses_pic_offset_table. Don't special-case
439 PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
441 (sh_expand_epilogue, initial_elimination_offset): Don't
442 special case PIC_OFFSET_TABLE_REGNUM.
444 2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
446 * config/sh/sh-protos.h (symbol_ref_operand): Declare.
447 * config/sh/sh.md (UNSPEC_CALLER): New constant.
448 (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
449 (call_pcrel, call_value_pcrel): New insn_and_splits.
450 (call, call_value): Use them.
451 (call_site): New expand.
452 (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
453 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
454 Output call_site label.
455 (PREDICATE_CODES): Added symbol_ref_operand.
456 * config/sh/sh.c (symbol_ref_operand): Define.
457 * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
458 to CALL_INSNs in the split sequence.
460 2000-11-24 Nick Clifton <nickc@redhat.com>
462 * config.gcc (v850-*-*): Define c_target_objs and
465 * config/v850/t-v850: Define how to build v850-c.o
467 * config/v850/v850.h (struct data_area_stack_element): Move
468 definition here from v850.c.
470 * config/v850v850.c: Include gcc.h to avoid compile time
472 (push_data_area): Move to v850-c.c.
473 (pop_data_area): Move to v850-c.c.
474 (mark_current_function_as_interrupt): Move to v850-c.c.
475 (GHS_default_section_names): Allow to be exported.
476 (GHS_current_section_names): Allow to be exported.
477 (data_area_stack_elements): Allow to be exported.
478 (ghs_pragma_section): Move to v850-c.c.
479 (ghs_pragma_interrupt): Move to v850-c.c.
480 (ghs_pragma_starttda): Move to v850-c.c.
481 (ghs_pragma_startsda): Move to v850-c.c.
482 (ghs_pragma_startzda): Move to v850-c.c.
483 (ghs_pragma_endtda): Move to v850-c.c.
484 (ghs_pragma_endsda): Move to v850-c.c.
485 (ghs_pragma_endzda): Move to v850-c.c.
487 * config/v850/v850-c.c: New file: Contains v850 specific
488 pragma parsing functions.
490 2000-11-24 Nick Clifton <nickc@redhat.com>
492 * config.gcc (extra_objs): Remove duplicate description.
493 (c_target_objs): New variable. Contains target specific
494 object files for the gcc C compiler only.
495 (cxx_target_objs): New variable. Contains target specific
496 object files for the gxx C++ compiler only.
498 * configure.in (c_target_objs): Substitute in the makefile.
499 (cxx_target_objs): Substitute in the makefile.
500 * configure: Regenerate.
502 * Makefile.in (C_TARGET_OBJS): Define and initialise from
504 (CXX_TARGET_OBJS): Define and initialise from
506 (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
508 * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
510 * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
511 about how the use of the 'c_lex' function requires the use of
512 the target specific, language specific object files feature of
513 the configuration mechanism.
515 Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
517 * gcc.c (process_command): Use F_OK, not R_OK.
519 2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
521 * flow.c (print_rtl_and_abort): Remove ANSIism.
523 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
525 * config/sh/sh.h (GENERAL_REGISTER_P,
526 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
527 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
529 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
530 * config/sh/sh.c: Use new macros.
531 * config/sh/sh.md: Likewise.
533 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
535 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
536 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
539 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
541 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
543 (machine_dependent_reorg): Wrong optimization based on
544 NOTICE_UPDATE_CC removed.
546 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
548 * jump.c (delete_computation): Re-instate deletion of feeding insn.
549 (delete_insn): Look for REG_LABEL notes.
550 (redirect_tablejump): Delete feeding insns.
552 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
554 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
555 call_value_pop_1): Make sure operand numbers are contiguous.
557 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
559 * reload1.c (conflicts_with_override): New function.
560 (emit_input_reload_insns): Use it to tighten test for validity
561 of substituting into output of previous insn.
563 * haifa-sched.c (struct ready_list): New.
564 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
566 (schedule_insn): Replace args READY and N_READY with a pointer to a
567 ready_list; return void. Use the new functions to access the ready
568 list. All callers changed.
569 (queue_to_ready, debug_ready_list): Likewise.
570 (schedule_block): Initialize a ready_list structure. Use new
571 functions to access it.
572 (max_priority): Remove unused variable.
573 (schedule_insn): Don't set it.
575 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
577 * combine.c (cant_combine_insn_p): New function.
578 (try_combine): Use it.
580 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
581 * c-common.c (c-obstack.c): Include "obstack.h".
582 (struct reverse_tree): Delete.
583 (reverse_list, reverse_max_depth): Delete.
584 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
585 (struct tlist, struct tlist_cache): New.
586 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
587 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
588 warn_for_collisions, warn_for_collisions_1, new_tlist): New
590 (verify_sequence_points): Rewritten.
591 * fold-const.c (fold): Don't lose possibly important sequence
592 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
594 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
596 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
597 when reversing a register-to-register copy. Reversal now disabled
598 when the previous instruction has a REG_EQUIV.
600 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
602 * c-parse.in (unary_expr): Move VA_ARG from here ...
603 (primary): ... to here.
605 2000-11-23 Graham Stott <grahams@redhat.com>
607 * expr.c (store_constructor): If a field is non addressable and
608 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
610 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
612 * flow.c (print_rtl_and_abort): New function.
613 (verify_wide_reg, verify_local_live_at_start): Try to dump more
614 information before aborting.
616 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
618 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
619 is narrower than requested mode.
620 (gen_highpart): Abort if register mode is narrower than
623 2000-11-23 Graham Stott <grahams@redhat.com>
625 * cse.c (cse_insn): Initialise all regcost variables.
626 Fix a typo add missing '='.
627 Only compare costs if there is a replacement insn.
629 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
631 * final.c (output_addr_const) [LABEL_REF]: Simplify.
632 [MINUS]: Enclose non-CONST_INTs in parentheses.
633 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
634 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
635 * varasm.c (decode_rtx_const) [CONST]: If it's not something
636 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
637 instead of abort()ing.
638 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
639 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
640 formerly handled in output_pic_addr_const.
641 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
642 operands of MINUS in CONSTs so that decode_rtx_const() will
645 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
647 * config/sh/sh.md (mova_const): New pattern.
648 (GOTaddr2picreg): Use it.
649 * config/sh/sh.c (broken_move): Match it.
650 (mova_p): Don't match it.
651 (machine_dependent_reorg): Adjust it.
653 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
655 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
656 Moved most register-number #defines...
657 * config/sh/sh.md (define_constants): ... here. Use macros to
658 refer to registers and unspecs.
659 * config/sh/sh.c: Likewise.
661 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
663 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
664 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
665 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
666 (splay-tree.o, hash.o): Likewise.
668 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
669 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
670 (hashtab.o): Likewise.
671 (gcov.o): Depend on $(CONFIG_H).
672 * configure.in: #include insn-codes.h in tm.h.
674 2000-11-22 Nick Clifton <nickc@redhat.com>
676 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
677 const char * to avoid a compile time warning.
679 * config/arm/arm.md (define_constants): Define symbolic names for
680 the link register, last integer register and the fake CC register.
681 Update patterns to use these symbolic names.
683 2000-11-22 Neil Booth <neilb@earthling.net>
685 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
686 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
688 2000-11-22 Richard Henderson <rth@redhat.com>
690 * haifa-sched.c (sched_analyze_1): Don't special-case calls
691 for clobbering registers.
692 (sched_analyze_2): Likewise.
693 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
695 2000-11-22 Chris Demetriou <cgd@sibyte.com>
696 Neil Booth <neilb@earthling.net>
698 * gcc.c (validate_switches): Validate multiple switches named
699 in '|' (or) expressions in specs.
700 (handle_braces): If more than 1 alternative in a '|' spec
701 matches, call do_spec1 just once.
703 2000-11-22 Michael Meissner <meissner@redhat.com>
705 * d30v.h (TARGET_SWITCHES): Add documentation strings.
706 (TARGET_OPTIONS): Ditto.
707 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
710 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
712 * pa.c (hppa_encode_label): Account for addition of encoding
713 character when allocating persistent space for the new label
716 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
718 * Makefile.in, config.gcc, configure.in: Expunge remaining
719 traces of facility for running MD files through C preprocessor.
721 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
723 * gcov.texi: Add magic comments for texi2pod.pl.
724 * Makefile.in: Add rules to generate and install gcov.1.
725 * gcov.1: New (generated) file.
727 2000-11-21 Richard Henderson <rth@redhat.com>
729 * regrename.c (scan_rtx_reg): Terminate the chain rather than
730 abort on mark_read with NO_REGS.
732 2000-11-21 Mike Stump <mrs@wrs.com>
734 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
735 compilation with older compilers, such as /bin/cc on SunOS.
736 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
738 2000-11-21 Richard Henderson <rth@redhat.com>
740 * varasm.c (record_constant): Pad the constructed
741 constant_descriptor appropriately.
743 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
745 * rtl.h (traverse_md_constants): Declare.
746 (struct md_constant): Define.
747 * Makefile.in (HOST_RTL): Add hashtab.o .
748 (OBJS): Add hashtab.o .
749 (hashtab.o): New rule.
750 (rtl.o): Depends on HASHTAB_H.
751 * rtl.c (hashtab.h): #include.
752 (md_constants): New static variable.
753 (def_hash, def_name_eq_p, read_constants): New static functions.
754 (traverse_md_constants): New function.
755 (read_name): Do constant expansion.
756 (read_rtx): Recognize define_constants.
757 * gencodes.c (print_md_constant): New function.
758 (main): Emit #defines for all constant definitions encountered.
759 * md.texi (Constant Definitions): New node.
760 * gensupport.c (xcalloc): New function.
762 2000-11-21 Richard Henderson <rth@redhat.com>
764 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
765 * config/alpha/alpha-protos.h: Declare it.
766 * config/alpha/alpha.md (abstf_internal): Use it.
767 (negtf_internal): Likewise.
768 (andnotdi3): Unstar the name.
769 (movtf_internal): Add o/G alternative.
771 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
773 * stringpool.c (stringpool_statistics): Also report number and
774 percentage of entries which are identifiers.
776 2000-11-21 Diego Novillo <dnovillo@redhat.com>
778 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
779 visited before visiting it.
781 2000-11-21 Nick Clifton <nickc@redhat.com>
783 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
784 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
786 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
788 2000-11-21 Richard Henderson <rth@redhat.com>
790 * c-common.c (c_unsafe_for_reeval): New function.
791 (add_c_tree_codes): Register it.
792 * c-common.h: Declare it.
793 * tree.c (lang_unsafe_for_reeval): New hook.
794 (unsafe_for_reeval): Call it.
795 * tree.h: Declare it.
797 2000-11-21 Richard Henderson <rth@redhat.com>
799 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
802 2000-11-21 Neil Booth <neilb@earthling.net>
804 * do_includes: Revert to using cpp_read_file.
806 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
808 * loop.c (consec_sets_giv): If the reg we're examining is anything
809 but UNKNOWN_INDUCT, do nothing.
810 Reset the reg's type to UNKNOWN_INDUCT before returning.
812 Mostly from Vladimir Makarov (vmakarov@redhat.com)
813 * ia64.md (attr itanium_class): Define insn types as described in
815 (all insn patterns): Use itanium_class, not type attributes.
816 Occasionally split alternatives as necessary.
817 (attr type): Compute from new attr itanium_class.
819 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
821 * tradcpp.c (output_line_command): Mark system headers as such in
824 2000-11-21 Jakub Jelinek <jakub@redhat.com>
826 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
827 support in as as well.
828 * configure: Regenerate.
830 2000-11-20 Richard Henderson <rth@redhat.com>
832 * c-lex.c (orig_filename): New variable.
833 (init_c_lex): Set it. Move call to cpp_start_read ...
834 (yyparse): ... here. New function.
835 * c-parse.in (yyparse_1): Rename the parser entry point.
836 * c-tree.h: Declare it.
838 2000-11-21 Jakub Jelinek <jakub@redhat.com>
840 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
841 integer constant, use type of op1 for comparison.
843 2000-11-20 Stan Shebs <shebs@apple.com>
845 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
846 * config/rs6000/x-darwin: New file, Darwin host fragment.
847 * config.gcc (powerpc-*-darwin*): New host.
848 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
849 overridden by a config file.
851 2000-11-20 Neil Booth <neilb@earthling.net>
853 * cppmacro.c (paste_tokens): Rename from paste_payloads.
854 Change token type after pasting spellings.
855 (paste_all_tokens): Use it.
856 * gcc.dg/cpp/paste2.c: Update test.
857 * objc/execute/paste.m: New test.
859 2000-11-20 Richard Henderson <rth@redhat.com>
861 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
862 dwarf_subscr_data_formats bits.
863 * dwarfout.c (simple_type_size_in_bits): Handle a type with
864 no computed size as size zero.
865 (field_byte_offset): Likewise.
866 (subscript_data_attribute): Handle a range with no upper bound.
868 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
870 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
872 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
874 * c-typeck.c (build_conditional_expr): When merging type
875 qualifiers for conditional expressions between a pointer and a
876 pointer to a void type, merge the qualifiers on the target types
877 rather than the pointer type. Remove obsolete conditioned out
880 2000-11-20 Neil Booth <neilb@earthling.net>
882 * c-lang.c (lang_init_options): Update call to
884 * cppmain.c (main): Similarly.
885 * fix-header.c (read_scan_file): Similarly.
886 * cp/lex.c (lang_init_options): Similarly.
887 * objc/objc-act.c (lang_init_options): Similarly.
888 * cppexp.c (parse_number): Only warn for unextended C89.
889 * cppinit.c (set_lang): New function.
890 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
891 (COMMAND_LINE_OPTIONS): New option std=c++98.
892 (cpp_handle_option): Use set_lang.
893 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
894 * cppib.h (enum_c_lang): New enumeration. Update comments.
896 2000-11-20 Will Cohen <wcohen@redhat.com>
898 * calls.c (expand_call): Clear target only when target is in
899 hard register and current_function_check_memory_usage is set.
901 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
903 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
905 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
907 2000-11-19 Richard Henderson <rth@redhat.com>
909 * crtstuff.c (force_to_data): Use array size 1 not 0.
911 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
912 no computed size as size zero.
913 (field_byte_offset): Likewise.
915 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
917 * config.gcc: Fix another typo.
919 2000-11-19 Richard Henderson <rth@redhat.com>
921 * c-decl.c (grokdeclarator): Support flexible array members.
922 Use open-ended ranges for these and zero-length arrays.
923 * c-typeck.c (push_init_level): Validate the context of
924 initialization of a zero-length array.
925 * tree.c (int_fits_type_p): Be prepared for missing bounds.
926 * varasm.c (array_size_for_constructor): New.
927 (output_constructor): Use it for arrays of unspecified length.
928 * extend.texi (Zero Length): Mention C99 flexible array members.
929 Document initialization in a top-level struct as valid.
931 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
933 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
935 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
936 stdarg and varargs functions.
938 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
940 * gcc.c (process_command): Define 'j' variable when
941 MODIFY_TARGET_NAME is defined.
943 2000-11-19 Richard Henderson <rth@redhat.com>
945 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
947 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
949 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
950 calculation and allocation.
952 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
954 * builtins.c (c_getstr): Constify variable.
955 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
956 * conflict.c (const_conflict_graph_arc): New typedef.
957 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
958 * cppmacro.c (builtin_macro): Likewise.
959 * dwarf2out.c (output_comp_unit): Constify variable.
960 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
961 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
962 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
964 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
965 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
966 * varasm.c (const_str_htab_hash, const_str_htab_eq,
967 compare_constant_1, record_constant_1): Constify.
969 2000-11-18 Richard Henderson <rth@redhat.com>
971 * c-decl.c (grokdeclarator): Special case the creation of an
972 index for a zero-length array.
973 * tree.c (build_index_type): Revert Oct 20 change.
975 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
977 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
978 * config/avr/avr.c (jump_tables_size): New variable.
979 (function_prologue): Initialize it as 0.
980 (function_epilogue): Add it to function_size.
981 (avr_output_addr_vec_elt): New function. Count words in jump
982 tables in jump_tables_size. Move code ...
983 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
984 Call avr_output_addr_vec_elt instead.
985 * config/avr/avr.md (tablejump): Remove disabled define_expand.
987 2000-11-18 Mark Mitchell <mark@codesourcery.com>
989 * configure.in: Make --enable-new-gxx-abi the default.
990 * configure: Likewise.
992 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
994 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
996 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
997 Move extern function declarations to tradcpp.h.
999 * tradcpp.c: Likewise.
1001 * tradcpp.h: New file.
1003 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
1005 * c-decl.c (check_for_loop_decls): New function.
1006 * c-parse.in (for_init_stmt): New.
1007 (select_or_iter_stmt): Use for_init_stmt.
1008 * c-tree.h (check_for_loop_decls): New declaration.
1010 2000-11-18 Neil Booth <neilb@earthling.net>
1012 * cppinit.c: Update comments.
1013 (cpp_reader_init): Make -imacro and -include use the standard
1014 #include "" search path.
1015 (do_includes): New function.
1017 2000-11-18 Ben Elliston <bje@redhat.com>
1019 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
1020 out of a branch delay slot.
1022 2000-11-17 Richard Henderson <rth@redhat.com>
1024 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1025 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
1026 (ASM_FILE_START): Only write out ecoff .file directive if
1027 emitting mdebug debugging.
1029 2000-11-17 Richard Henderson <rth@redhat.com>
1031 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
1032 whether as accepts .file/.loc and produces dwarf2 line info.
1033 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
1034 the assembler supports it.
1035 * config.in, configure: Regenerate.
1037 2000-11-17 Richard Henderson <rth@redhat.com>
1039 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
1041 2000-11-17 Jim Wilson <wilson@redhat.com>
1043 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
1044 Don't clear need_barrier is next_insn is a CALL_INSN, or has
1045 instruction type B or UNKNOWN.
1047 2000-11-17 Neil Booth <neilb@earthling.net>
1049 * cpperror.c (print_file_and_line): Don't display line number if 0.
1051 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
1053 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
1054 digit_vector and digit_string.
1055 * stringpool.c (digit_vector): New.
1056 (ggc_alloc_string): Use digit_string.
1058 * stmt.c (digit_strings): Delete.
1059 (init_stmt): Do not initialize digit_strings.
1060 (expand_asm_operands): Use ggc.h's digit_string macro.
1061 * toplev.c (mark_file_stack): Delete.
1062 (compile_file): Don't call init_tree_codes.
1063 (main): No need to make the file stack a GC root.
1064 * tree.c (init_tree_codes): Delete.
1065 * tree.h (init_tree_codes): Delete.
1067 * c-lex.c: Don't include ggc.h.
1068 (mark_splay_tree_node, mark_splay_tree): Delete.
1069 (init_c_lex): No need to ggc_strdup string constant. Don't add
1070 file_info_tree to GGC roots.
1071 (cb_enter_file, cb_rename_file): No need to ggc_strdup
1074 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
1076 * dbxout.c (dbxout_init),
1077 dwarf2out.c (dwarf2out_line),
1078 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
1079 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
1080 xcoffout.c (xcoffout_source_file),
1081 i386.c (load_pic_register):
1082 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
1084 * except.c (create_rethrow_ref),
1085 profile.c (init_edge_profiler),
1086 toplev.c (compile_file),
1087 varasm.c (named_section, assemble_static_space,
1088 assemble_trampoline_template, output_constant_def, force_const_mem),
1089 i386.c (load_pic_register),
1090 ia64.c (ia64_encode_section_info),
1091 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
1092 rs6000_emit_prologue, rs6000_emit_epilogue),
1093 rs6000.md (load_toc_aix_si, load_toc_aix_di):
1094 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
1096 * profile.c (output_func_start_profiler),
1098 i386.c (load_pic_register): No need to ggc_strdup string constant.
1100 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
1102 * Makefile.in (config.status): Depend on config.gcc.
1103 * configure.in <for machine in $build $host $target>: Move
1104 contents of loop into config.gcc, removing autoconf quoting.
1105 Fix changequote bug for alpha*-*-vxworks*.
1106 * configure: Regenerate.
1109 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
1111 * c-parse.in (if_prefix): Find the filename and line number at
1112 $-2 and $-1 respectively.
1113 * diagnostic.c (error_recursion): Add missing newline, use
1114 fputs, translate string.
1116 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
1118 * stringpool.c: New file.
1119 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
1120 (ggc_alloc_string): Now in stringpool.o.
1121 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
1122 * ggc.h: Delete prototype of ggc_add_string_root. #define
1123 ggc_add_string_root and ggc_mark_string to nothing. Prototype
1124 init_stringpool and stringpool_statistics.
1125 (ggc_alloc_string): Returns a const char *.
1126 * tree.c (hash_table, do_identifier_warnings): Delete.
1127 (init_obstacks): Don't initialize the identifier hash table.
1128 (get_identifier, maybe_get_identifier, start_identifier_warnings,
1129 set_identifier_size): Now in stringpool.c.
1130 * tree.h (struct tree_string): Constify pointer field.
1131 (approx_sqrt): Prototype.
1133 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
1135 * toplev.c (approx_sqrt): New function.
1136 (compile_file): Call stringpool_statistics if mem_report is on.
1137 (main): Call init_stringpool.
1139 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
1140 (process_directive), c-typeck.c (constructor_asmspec, struct
1141 initializer_stack, start_init), except.c (create_rethrow_ref),
1142 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
1143 (built_in_filename), varasm,c (in_named_name,
1144 assemble_static_space, struct constant_descriptor, struct
1145 deferred_string, struct pool_constant, force_const_mem),
1146 i386.c (pic_label_name, global_offset_table_name), rs6000.c
1147 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
1149 * c-common.c (combine_strings): Combine strings in scratch
1150 buffer, then pass to build_string.
1151 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
1152 output_func_start_profiler), stmt.c (init_stmt), alpha.c
1153 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
1154 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
1155 rs6000.c (rs6000_encode_section_info): Create string in
1156 scratch buffer, then pass to ggc_alloc_string.
1158 * stmt.c (expand_asm_operands): If we must adjust the
1159 constraint strings, do so by creating a new one, not by
1160 modifying the old one in place. Constify some char *s.
1161 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
1162 argument. Create string in scratch buffer, then pass to
1164 * config/pa/pa-protos.h: Update prototype.
1165 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
1166 hppa_encode_label takes only one argument.
1168 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1170 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
1173 * cpplib.c (glue_header_name): Likewise.
1175 * fixincl.c (run_compiles, start_fixer): Likewise.
1177 * fixlib.c (load_file_data): Likewise.
1179 * mkdeps.c (munge): Likewise.
1181 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
1183 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
1184 trailing ';'. Fix formatting.
1186 2000-11-16 Jim Wilson <wilson@redhat.com>
1188 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
1189 Shift masks left by one to avoid conflict.
1191 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
1194 2000-11-16 Nick Clifton <nickc@redhat.com>
1196 * config/arm/arm.c (output_arm_prologue): Note nested functions.
1197 (arm_expand_prologue): For nested functions preserve the
1198 static chain register during stack frame creation.
1200 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
1201 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
1202 with a stack frame there is a 4 byte gap between the arg
1203 pointer and the hard frame pointer (used to preserve the
1204 static chain register during stack frame creation).
1206 2000-11-16 DJ Delorie <dj@redhat.com>
1208 * rtl.c (read_rtx): Provide suitable names for unnamed
1209 define_insn and define_insn_and_split patterns, based on file
1212 2000-11-15 Neil Booth <neilb@earthling.net>
1214 * cpplib.c (start_directive, end_directive): New functions.
1215 (_cpp_handle_directive, run_directive): Use them.
1216 (_cpp_handle_directive): Don't -Wtraditional on indented
1218 (_cpp_push_buffer): Don't re-clear was_skipping.
1219 * cpplib.h (struct cpp_reader): New member la_saved.
1220 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
1223 gcc.dg/cpp/_Pragma1.c: Update.
1224 gcc.dg/cpp/_Pragma2.c: New test.
1226 2000-11-15 Mark Mitchell <mark@codesourcery.com>
1228 * toplev.c (wrapup_global_declarations): Don't write out
1229 artificial static variables that aren't needed.
1231 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
1233 * ia64.c (struct group): New structure.
1234 (last_group): New static array.
1235 (group_idx): New static variable.
1236 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
1237 New static functions.
1238 (emit_insn_group_barriers): Initialize and keep track of group_idx
1240 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
1241 Replace all calls to emit_insn_after that emit a group barrier to use
1242 emit_group_barrier_after.
1243 * ia64.h (MASK_B_STEP): New.
1244 (other MASK_XXX macros): Renumbered.
1245 (TARGET_B_STEP): New.
1246 (TARGET_SWITCHES): Add -mb-step.
1248 2000-11-15 Fred Fish <fnf@be.com>
1250 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
1251 machines for which fixincludes is not needed.
1252 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
1254 2000-11-15 Jason Merrill <jason@redhat.com>
1256 * diagnostic.c (finish_abort): New fn.
1257 (fancy_abort, error_recursion): Use it.
1258 * toplev.c (crash_signal): Likewise.
1259 * diagnostic.h: Declare it.
1261 2000-11-13 Andrew Haley <aph@redhat.com>
1263 * tree.c (build_type_no_quals): New function.
1264 * tree.h (build_type_no_quals): Declare.
1265 * c-common.c (c_get_alias_set): When considering type
1266 compatibility for pointer types, ignore cv-qualifiers anywhere in
1269 2000-11-15 Graham Stott <grahams@redhat.com>
1271 * regrename.c (scan_rtx_rtx): Skip to the next chain on
1272 encountering a terminated chain.
1274 2000-11-14 Mark Mitchell <mark@codesourcery.com>
1276 * configure.in: Move check for V3 above check for C++ header-file
1278 * configure: Regenerated.
1280 2000-11-14 DJ Delorie <dj@redhat.com>
1282 * config/v850/v850.c: Remove obstacks.
1284 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
1286 * config/avr/avr.c (avr_case_values_threshold): New.
1287 (avr_override_options): Set it depending on options, make it large
1288 when not optimizing to work around "unable to generate reloads".
1290 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
1291 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
1292 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
1293 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
1294 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
1295 (avr_case_values_threshold): Declare as extern int.
1296 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
1298 * config/avr/avr.md (tablejump): Removed.
1299 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
1300 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
1301 index in the table, not multiplied by 2.
1302 (casesi): Change to match the above insns. Always enable.
1304 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
1305 Change to expect the word address of the table, multiply it by 2
1306 here and not in the caller. Change "adiw" to faster "inc".
1308 2000-11-14 Neil Booth <neilb@earthling.net>
1310 * cppexp.c (parse_defined): Call cpp_get_token not
1313 * cpplex.c (cpp_output_line): Similarly.
1314 * cpplib.c (glue_header_name, do_line, do_ident,
1315 parse_answer, parse_assertion): Similarly.
1316 (_cpp_handle_diretive): Don't save to lookaheads
1317 when processing directives.
1318 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
1320 (funlike_invocation_p): Don't save to lookaheads
1321 when pre-expanding arguments.
1322 (_cpp_get_token): Delete.
1323 (cpp_get_token): Merge contents of _cpp_get_token.
1325 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1327 * builtins.c (expand_builtin_setjmp): Set
1328 current_function_calls_setjmp.
1329 (expand_builtin_longjmp): Set current_function_calls_longjmp.
1331 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
1332 (do_builtin_setjmp_setup): New insn.
1334 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1336 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
1337 (int_fits_type_p): For variable bounds, call force_fit_type.
1339 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1341 * varasm.c (struct deferred_string): New structure.
1342 (const_str_htab): New variable.
1343 (STRHASH): New macro.
1344 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
1345 constr_str_htab_eq, const_str_htab_del): New functions.
1346 (output_constant_def): Add DEFER argument, defer string
1347 constants until mark_constant_pool time if requested.
1348 (mark_constant_pool): Walk the insn chain even if const_str_htab is
1350 (mark_constants): If a SYMBOL_REF for deferred string is found,
1351 output it and remove from hash table.
1352 (output_addressed_constants): Set DEFER to 0 in call to
1353 output_constant_def.
1354 * rtl.h (STRING_POOL_ADDRESS_P): Define.
1355 (output_constant_def): Adjust prototype.
1356 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
1358 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
1360 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
1361 signed types if flag_trapv.
1363 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
1365 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
1368 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
1370 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
1372 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1374 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
1375 to array of pool_constnat pointers.
1376 (struct pool_constant): Add next_sym and label members.
1377 (struct pool_sym): Remove.
1378 (init_varasm_status): Change pool_sym into pool_constant.
1379 (mark_pool_constant): Mark pc->label string as well.
1380 (mark_pool_sym_hash_table): Remove.
1381 (mark_varasm_status): Remove it from caller as well.
1382 (free_varasm_status): Don't free pool_sym structures.
1383 (force_const_mem): Don't allocate pool_sym structure, instead
1384 fill pool->label and chain it into rtx_sym hash table.
1385 (find_pool_constant, mark_constant_pool): Use pool_constant instead
1388 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1390 * reload1.c (emit_input_reload_insns): Honour forcing of constants
1391 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
1393 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
1395 * dominance.c: New file.
1396 * Makefile.in (OBJS): Add dominance.o.
1398 * flow.c (compute_flow_dominators): Remove.
1399 (compute_immediate_dominators): Remove.
1400 (compute_immediate_postdominators): Remove.
1401 * basic-block.h: Remove their prototypes.
1402 (calculate_dominance_info): Add prototype.
1404 * dce.c (eliminate_dead_code): Change calls to above functions.
1405 Don't compute dominators but only immediate dominators.
1406 * flow.c (flow_loops_find): Change callers.
1407 * gcse.c (compute_code_hoist_data): Likewise.
1408 * haifa-sched.c (schedule_insns): Likewise.
1409 * ifcvt.c (if_convert): Likewise.
1410 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
1413 2000-11-14 Richard Henderson <rth@redhat.com>
1415 * stmt.c (warn_if_unused_value): Don't warn if the expression
1418 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
1419 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
1421 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1423 * loop.c (basic_induction_var): Revert accidental checkin.
1425 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
1427 * c-lex.c (cb_leave_file): Harmonize conditions and order of
1428 statements to those of process_directive for (action == act_pop).
1430 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
1432 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
1435 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1437 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
1440 2000-11-13 Neil Booth <neilb@earthling.net>
1442 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
1443 cases return without MI check.
1444 * cpplib.c (do_diagnostic): Take boolean of whether to
1445 print the directive name.
1446 (do_error, do_warning): Update.
1447 (do_pragma_dependency): Use it.
1448 * cpplib.h (VARARGS_FIRST): Delete.
1449 (struct cpp_token): Delete integer.
1450 * cppmacro.c (enter_macro_context): Move disabled check
1452 (_cpp_get_token): Simplify into a single loop.
1454 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1456 * configure.in: Use 'test -f' not '[ -e'.
1457 * configure: Regenerated.
1459 2000-11-13 DJ Delorie <dj@redhat.com>
1461 * config/mn10300/mn10300.md (store_movm): Note which registers are
1462 really used or clobbered.
1464 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1466 * c-parse.in (ends_in_label): Remove from %union and %type.
1467 (decls, stmts, lineno_stmt_or_labels, xstmts,
1468 lineno_stmt_or_label, stmt_or_label): Remove.
1469 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
1470 lineno_stmt_decl_or_labels_ending_decl,
1471 lineno_stmt_decl_or_labels_ending_label,
1472 lineno_stmt_decl_or_labels_ending_error,
1473 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
1474 lineno_stmt, lineno_label): New.
1475 (compstmt_nostart): Use compstmt_contents_nonempty.
1477 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1479 * c-common.c (boolean_increment): New function.
1480 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
1481 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
1482 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
1483 (boolean_increment): Declare.
1484 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
1485 * c-decl.c (init_decl_processing): Create boolean nodes.
1486 (finish_struct): Allow for _Bool bitfields.
1487 * c-parse.in (reswords): Add _Bool.
1488 (rid_to_yy): Allow for RID_BOOL.
1489 * c-typeck.c (default_conversion): Make booleans promote to int.
1490 (convert_arguments, build_unary_op, build_modify_expr,
1491 convert_for_assignment): Allow for booleans.
1492 * ginclude/stdbool.h: Make conforming to C99.
1494 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1496 * c-parse.in (c99_block_start, c99_block_end,
1497 c99_block_lineno_labeled_stmt): New.
1498 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
1499 (stmt): Split off selection and iteration statements into...
1500 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
1502 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1504 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
1507 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1509 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
1510 Rewrite to avoid use of match_dup. Don't try to tie registers that
1511 are not in the same mode.
1513 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1515 * invoke.texi: Update lists of languages and suffixes supported.
1517 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1519 * configure.in: Take toplevel configure arguments from the
1520 environment to create configargs.h and substitute
1521 gcc_config_arguments, taking account of any existing configargs.h
1523 * configure: Regenerate.
1524 * gccbug.in: Include toplevel configure arguments in gccbug.
1526 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1528 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
1529 union to make it well-aligned. Update all uses.
1531 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1533 * c-parse.in (initelt): Give appropriate pedantic warnings,
1534 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
1536 (designator): If pedantic, pedwarn for a designator specifying a
1538 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
1540 * extend.texi: Document the C99 syntax as the preferred syntax,
1541 and the pre-2.5 syntax as obsolete. Mention use of designator
1542 lists for nested subobjects.
1544 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1546 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
1547 Add ATTRIBUTE_PRINTF.
1548 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
1549 Add ATTRIBUTE_PRINTF*.
1551 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1553 * function.c (assign_parms): When calling put_var_into_stack, make
1554 sure that there are no hidden pending sequences.
1556 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1558 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
1559 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
1562 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
1564 * c-common.c (c_common_nodes_and_builtins): Declare index and
1565 rindex when nonansi builtins are allowed.
1567 * extend.texi (index, rindex): Document new builtins.
1569 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1571 * configure.in: Turn on libstdc++ V3 by default.
1572 * configure: Regenerated.
1574 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
1576 2000-11-12 Jakub Jelinek <jakub@redhat.com>
1578 * reload1.c (set_label_offsets): Go inside of PARALLELs.
1580 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
1582 * invoke.texi: Clean up option summary.
1584 2000-11-12 Nick Clifton <nickc@redhat.com>
1586 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
1587 of #include headers.
1589 2000-11-12 Marc Espie <espie@openbsd.org>
1591 * configure.in: Fix filds test.
1594 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1596 * jump.c (delete_computation): Don't assume that just becuase an
1597 instruction sets a register, that register is dead.
1599 2000-11-12 Neil Booth <neilb@earthling.net>
1601 * cppexp.c: Don't worry about pfile->skipping.
1602 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
1603 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
1604 for handled directives.
1605 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
1606 and releasing lookaheads.
1607 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
1608 (do_else, do_elif, push_conditional): Update logic.
1609 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
1610 (unwind_if_stack): Inline into cpp_pop_buffer.
1611 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
1612 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
1613 multiple-include optimisation.
1614 * cpplib.h (struct cpp_buffer): New member was_skipping.
1615 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
1616 works because skipping == 0 in directives.
1617 (_cpp_release_lookahead): Renamed from release_lookahead.
1618 (cpp_get_token): No need to check skipping as _cpp_get_token does
1619 this for us. No need to handle MI optimisation.
1621 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
1623 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
1624 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
1625 * fixinc/fixincl.x: Regenerated.
1627 2000-11-11 Bruce Korb <bkorb@gnu.org>
1629 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
1630 (avoid_wchar_t_type): ditto
1631 * fixinc/fixinc.irix: obsoleted
1633 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
1635 * configure.in: Don't add $outputs to all_lang_makefiles. Add
1636 $srcdir/$s/Makefile.in if it exists.
1637 * configure: Regenerate.
1639 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
1641 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
1643 2000-11-11 Jason Merrill <jason@redhat.com>
1645 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
1646 give the parm a register and then call put_var_into_stack.
1647 * stmt.c (expand_decl): Likewise.
1649 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1651 * gcc.texi: Adjust wording.
1653 2000-11-11 Mark Mitchell <mark@codesourcery.com>
1655 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
1656 * fininc/fixincl.x: Regenerated.
1658 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1660 * invoke.texi: Correct spelling of -foptimize-register-move.
1662 2000-11-11 Neil Booth <neilb@earthling.net>
1664 Remove CPP_PLACEMARKERs.
1666 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
1667 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
1668 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
1670 * cpplib.h: Remove CPP_PLACEMARKER.
1671 (struct lexer_state): Rename skip_newlines to next_bol.
1672 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
1673 Simplify prev_white handling as a result.
1674 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
1675 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
1676 (parse_args): Similarly. Update argument count tests.
1677 (enter_macro_context): Return 2 to indicate an empty macro.
1678 (replace_args): Don't bother pre-expanding an empty argument.
1679 Handle placemarkers and ## extension during pre-expansion.
1680 (cpp_get_token): Handle empty macro expansions. Don't worry
1681 about CPP_PLACEMARKERs.
1682 (_cpp_create_definition): Empty macros are now empty.
1683 (cpp_macro_defintion): Don't special case empty macros.
1684 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
1685 * c-lex.c: Similarly.
1687 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1689 * gcc.texi, invoke.texi: Add new section discussing language
1690 standards; link to it where appropriate; refer to ISO C instead of
1693 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
1695 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
1698 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
1701 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1703 * gcc.texi, gcov.texi: Update dates and version numbers.
1705 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
1707 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
1708 flex and bison, specifically, first in a unified build and
1709 then installed on the system.
1710 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
1711 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
1714 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
1715 cppdefault.o): Remove pointless sed munging of source file
1718 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
1720 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
1721 for address reloads. Push replacements for REG_INC notes.
1722 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
1724 * reload1.c (choose_reload_regs): Registers set in the insn can't be
1725 used for RELOAD_OTHER reloads.
1727 2000-11-10 Mark Mitchell <mark@codesourcery.com>
1729 * c-dump.h: New file.
1731 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1733 * alpha.c (check_float_value): Use memcpy, not bcopy.
1734 * arm.c (output_move_double): Likewise.
1736 * m88k.c (legitimize_operand): Likewise.
1737 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
1738 * m88k.md: Likewise.
1739 * mips.c (override_options): Likewise.
1740 * mips.md: Likewise.
1741 * romp.c (output_fpops): Likewise.
1742 * rs6000.c (rs6000_override_options): Likewise.
1744 * vax.c (check_float_value): Likewise.
1746 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
1747 * expmed.c (synth_mult): Likewise.
1748 * final.c (add_bb_string): Likewise.
1749 * genattr.c (main): Likewise.
1750 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
1752 * jump.c (thread_jumps): Likewise.
1753 * prefix.c (save_string): Likewise.
1754 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
1755 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
1756 * reload1.c (reload, eliminate_regs): Likewise.
1758 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1760 * gcc.texi (Service): Update to reflect current practice and
1761 location of the GNU service directory.
1763 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
1765 * regrename.c (build_def_use): Mark contents of REG_INC notes as
1766 needing replacement.
1768 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
1769 a no-op move if regs are equal.
1770 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
1771 when calling jump after post-reload splitting.
1773 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
1775 * c-tree.texi: Fix typos.
1776 * extend.texi: Likewise
1777 * gcov.texi: Likewise
1778 * rtl.texi: Likewise
1781 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
1783 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
1784 in_system_header and flags[1] before dereferencing flags[2].
1786 2000-11-09 Matthew Hiller <hiller@redhat.com>
1788 * reload1.c (reload_combine): Fixed calculation of
1789 first_index_reg, last_index_reg.
1791 2000-11-09 Mark Mitchell <mark@codesourcery.com>
1793 * c-dump.c (dequeue_and_dump): Dump function bodies.
1795 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
1796 (c-dump.o): New target.
1797 * c-common.h (flag_dump_translation_unit): New variable.
1798 (C_TYPE_QUALS): New macro.
1799 (strip_array_types): New function.
1800 (DECL_C_BIT_FIELD): New macro.
1801 (SET_DECL_C_BIT_FIELD): Likewise.
1802 (CLEAR_DECL_C_BIT_FIELD): Likewise.
1803 (dump_info_p): New typedef.
1804 (dump_tree_fn): Likewise.
1805 (lang_dump_tree): New variable.
1806 (dump_node_to_file): New function.
1807 * c-common.c (flag_dump_translation_unit): Define it.
1808 (strip_array_types): New function.
1809 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
1810 * c-lang.c (finish_file): Call dump_node_to_file if
1811 flag_dump_translation_unit.
1812 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
1813 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
1814 * c-dump.c: New file.
1816 2000-11-09 Christopher Faylor <cgf@cygnus.com>
1818 * config/i386/cygwin.h: Add mingw startfile prefix.
1820 2000-11-09 Richard Henderson <rth@redhat.com>
1822 * flow.c (invalidate_mems_from_set): Split out from ...
1823 (mark_set_1): ... here.
1824 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
1825 instead of turning insn into a NOTE_INSN_DELETED.
1827 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1829 * extend.texi, invoke.texi: Move documentation of builtin versions
1830 of C library functions to one place and update.
1832 2000-11-09 Richard Henderson <rth@redhat.com>
1834 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
1835 the types themselves to discover type equivalence.
1837 2000-11-09 Mike Stump <mrs@wrs.com>
1839 * Makefile.in (distclean): Remove a few extra leftovers.
1841 2000-11-09 Richard Henderson <rth@redhat.com>
1843 * recog.c (validate_replace_rtx_1): Consider subregs when
1844 replacing a register with a constant inside a sign/zero_extend.
1846 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1848 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
1850 * c-decl.c (finish_struct): When a structure is completed,
1851 check all its variant types for completeness.
1853 2000-11-09 Neil Booth <neilb@earthling.net>
1855 * cpphash.c: Move cpp_defined here from cpplib.c.
1856 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
1857 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
1858 * cppmacro.c (cpp_get_token): Update comments, no need now
1859 to catch the CPP_EOF meaning EOL case.
1861 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
1863 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
1864 is more than that provided, copy to a temporary.
1866 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
1868 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
1869 interpreting $out as a macro assignment.
1870 * Makefile.in (T_TARGET): New auxiliary macro and target.
1871 (all): Add a target right in the beginning, so that we don't build
1872 T_TARGET by default.
1874 2000-11-09 Graham Stott <grahams@redhat.com>
1876 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
1877 order for -mintel-syntax. Remove comment now that the operand
1878 order has been checked.
1879 (mmx_pextrw): Likewise.
1880 (mmx_pshufw): Likewise.
1882 2000-11-09 Jakub Jelinek <jakub@redhat.com>
1884 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
1885 (c_getstr): New function.
1886 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
1887 If both arguments are constant string, optimize out.
1888 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
1889 (expand_builtin_strpbrk): Use c_getstr, do nothing if
1890 -fcheck-memory-usage.
1891 (expand_builtin_fputs): Likewise.
1892 (expand_builtin_strcmp): Add MODE argument.
1893 Use even if !HAVE_cmpstrsi.
1894 Optimize the case when both arguments are constant strings.
1895 (expand_builtin): Adjust expand_builtin_strcmp caller.
1896 Call expand_builtin_strchr and expand_builtin_strrchr.
1897 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
1899 * builtins.def (BUILT_IN_STRRCHR): Add.
1901 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1903 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
1905 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
1907 * calls.c (expand_call, emit_library_call_value_1), collect2.c
1908 (scan_prog_file), config/a29k/a29k.c (print_operand),
1909 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
1910 instead of bcopy ().
1911 * real.h: Use memcmp () instead of bcmp ().
1912 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
1913 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
1914 ultrasparc_sched_init, ultrasparc_sched_reorder),
1915 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
1916 instead of bzero ().
1917 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
1918 instead of rindex ().
1919 * configure.in: Don't check for bzero, bcmp, index or rindex.
1920 * configure, config.in: Regenerate.
1921 * system.h: Don't include declarations for bzero, bcmp, index or
1923 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
1924 bzero, bcmp, index or rindex.
1926 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
1928 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
1929 include and library paths from -mcygwin case. Parameterize some
1930 declarations to avoid warnings. Use standard locations for include and
1933 2000-11-08 Nick Clifton <nickc@redhat.com>
1935 * config/arm/arm.md (mulsidi3adddi): Change output operand
1936 constraint from "=&" to "+&".
1937 (umulsidi3adddi): Change output operand constraint from "=&" to
1940 2000-11-08 Richard Henderson <rth@redhat.com>
1942 * flow.c (init_propagate_block_info): Protect the rtx stored in
1943 mem_set_list from modification by find_auto_inc.
1944 (mark_set_1): Likewise.
1946 2000-11-08 Neil Booth <neilb@earthling.net>
1948 Move directive handling into the lexer itself.
1950 * cpplex.c (_cpp_lex_token): Handle directives directly.
1951 In the case of a directive interrupting a function-like
1952 macro invocation, use extra_char since read_ahead is
1953 used to store the '#'. Return a CPP_EOF in this case.
1954 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
1955 (cpp_get_token): Don't handle directives here.
1956 * cpplib.h: Remove CPP_DHASH token type.
1958 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
1960 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
1961 formed using PRE_MODIFY too.
1963 2000-11-08 Mark Mitchell <mark@codesourcery.com>
1965 * c-tree.texi (VAR_DECL): Describe representation of GCC's
1966 extension for placing variables in particular registers.
1968 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
1969 unprototyped C functions with no parameters.
1971 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1973 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
1974 before passing to fprintf.
1976 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1978 * function.c (expand_function_start): Cast GET_MODE_SIZE to
1979 HOST_WIDE_INT before negating it.
1981 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1983 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
1984 passed in multiple non-contiguous locations.
1986 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1988 * README.gnat: Remove file.
1990 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
1992 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
1995 2000-11-07 Richard Henderson <rth@redhat.com>
1997 * dwarfout.c (INSN_LABEL_FMT): Remove.
1998 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
1999 (dwarfout_label): Remove.
2000 * dwarfout.h: Remove it's prototype.
2001 * dwarf2out.c (INSN_LABEL_FMT): Remove.
2002 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
2003 (dwarf2out_label): Remove.
2004 * dwarf2out.h: Remove it's prototype.
2005 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
2007 2000-11-07 Richard Henderson <rth@redhat.com>
2009 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
2010 search on the unwind region section.
2012 * config/ia64/ia64.md (movbi): Add r/r alternative.
2013 (cmovdi_internal_astep): Describe all combinations of register
2014 classes for sources & destinations; remove matching constraints.
2015 (cmovdi_internal): Likewise.
2017 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
2019 2000-11-07 Richard Henderson <rth@redhat.com>
2021 * c-lang.c (start_cdtor, finish_cdtor): New functions.
2022 (finish_file): Use them in building constructor/destructor functions.
2024 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
2025 LD_FINI_SWITCH): Move ...
2026 * config/alpha/osf.h: ... here.
2027 * config/alpha/alpha-interix.h: Don't undef them.
2029 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
2031 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
2032 included in libgcc.a.
2034 (dp-bit.c): Likewise.
2035 (fp-bit.c): Likewise.
2037 2000-11-07 Nick Clifton <nickc@redhat.com>
2039 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
2040 (INTERNAL_ASM_OP): Add missing tab.
2042 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
2044 * alias.c (init_alias_analysis), calls.c (expand_call,
2045 emit_library_call_value_1), combine.c (init_reg_last_arrays),
2046 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
2047 (init_output_buffer, set_diagnostic_context), dwarf2out.c
2048 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
2049 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
2050 function.c (assign_parms), gcse.c (compute_can_copy,
2051 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
2052 compute_hash_table, compute_set_hash_table,
2053 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
2054 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
2055 clear_units, schedule_block), integrate.c (initialize_for_inline,
2056 expand_inline_function), jump.c (thread_jumps), local-alloc.c
2057 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
2058 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
2059 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
2060 record_reg_classes, allocate_reg_info), reload.c
2061 (get_secondary_mem, remove_address_replacements, find_reloads),
2062 reload1.c (reload, set_initial_label_offsets, finish_spills,
2063 reload_as_needed, choose_reload_regs_init,
2064 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
2065 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
2066 (rename_registers), stmt.c (expand_end_case), unroll.c
2067 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
2068 () instead of bzero ().
2070 2000-11-07 Neil Booth <neilb@earthling.net>
2072 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
2074 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2076 * c-common.c (combine_strings): Only warn about long strings for C.
2078 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
2080 * combine.c (distribute_notes): Fix typo in last change.
2082 2000-11-07 Geoff Keating <geoffk@redhat.com>
2084 * config/rs6000/rs6000.md (movdi_internal32+1): Use
2085 operand_subreg_force rather than gen_rtx_SUBREG.
2086 (movdi_internal32+2): Likewise.
2088 2000-11-07 Philip Blundell <philb@gnu.org>
2090 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
2091 * config/arm/linux-aout.h: Likewise.
2092 * configure: Regenerate.
2094 2000-11-07 Philipp Thomas <pthomas@suse.de>
2096 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
2097 accepted my the gettext maintainer.
2099 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2101 * builtins.c (expand_builtin_strpbrk): New function.
2102 (expand_builtin): Handle BUILT_IN_STRPBRK.
2104 * builtins.def (BUILT_IN_STRPBRK): New entry.
2106 * c-common.c (c_common_nodes_and_builtins): Declare builtin
2109 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
2111 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
2112 * POTFILES.in: Add config/alpha/freebsd.h
2113 * configure.in: Add alpha*-freebsd support.
2114 * configure: Regenerate.
2116 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
2118 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
2119 copy of ptr_type_node rather than ptr_type_node itself.
2121 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
2123 * combine.c (recog_for_combine): Allocate uninitialized vector with
2125 * recog.c (apply_change_group): Likewise.
2127 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
2129 * flow.c (verify_local_live_at_start): Back out last change.
2130 * combine.c (distribute_notes): When parts of a hard reg are
2131 neither set nor referenced in PLACE, search backwards for a
2132 place to put a REG_UNUSED note; if none found, ask for flow
2135 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
2137 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
2138 with (clobber (match_scratch...)).
2140 2000-11-06 Neil Booth <neilb@earthling.net>
2142 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
2145 2000-11-06 Neil Booth <neilb@earthling.net>
2147 * tradcpp.c (special_symbol): Assign an null string rather
2148 than writing to an unallocated buffer.
2150 2000-11-06 Neil Booth <neilb@earthling.net>
2152 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
2155 2000-11-06 Neil Booth <neilb@earthling.net>
2157 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
2158 tok.val.arg_no as appropriate.
2159 * cppexp.c (lex): Similarly.
2160 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
2161 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
2162 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
2163 cpp_macro_definition): Similarly.
2164 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
2166 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2168 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
2169 operands[1] is constant, calculate the sum and generate movdi.
2170 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
2171 (subsi3): Use SImode in call to arith_4096_operand.
2173 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2175 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
2176 adjust %o1, not %o0 if the return type is large structure.
2178 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2180 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
2181 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
2183 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
2185 * expmed.c (expand_divmod): For signed divide by 2, prefer
2186 a branch and fewer shifts if branches are very cheap.
2188 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
2190 * Makefile.in: Remove all targets related to building
2191 distributions and diffs, or INSTALL.
2192 * INSTALL, install1.texi: Remove.
2193 * configure.in: Remove mention of distdir.
2194 * configure: Regenerate.
2195 * objc/Make-lang.in: Remove mention of distdir.
2197 2000-11-04 Neil Booth <neilb@earthling.net>
2199 * cpp.texi: Update for _Pragma.
2201 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
2203 * gcc.texi (Contributing): Update URL for projects web page.
2205 2000-11-04 Neil Booth <neilb@earthling.net>
2207 * cpplex.c (parse_string): Don't allow multiline strings in
2208 #include family directives.
2210 2000-11-04 Neil Booth <neilb@earthling.net>
2212 * cpplib.c (do_line): Only warn pedantically if not reading
2215 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
2217 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
2220 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
2222 * builtins.c (expand_builtin_strlen): Remove unused mode
2224 * gcc.c (process_command): Remove unused variable.
2225 * fold-const.c: Include expr.h.
2226 * recog.c: Include reload.h.
2227 * Makefile.in (recog.o, fold-const.o): Update deps.
2229 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
2231 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
2233 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
2235 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
2237 (STARTFILE_SPEC): Likewise.
2238 (LINK_SPEC): Likewise.
2240 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2242 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
2243 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
2244 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
2246 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
2248 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
2249 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
2250 perm_calloc, get_identifier, maybe_get_identifier,
2251 real_value_from_int_cst, simple_cst_equal), varasm.c
2252 (assemble_name, assemble_real, immed_real_const_1,
2253 compare_constant_1, decode_rtx_const, output_constant_pool): Use
2254 strrchr () instead of rindex (). Use memcmp () instead of bcmp
2255 (). Use memcpy () instead of bcopy (). Use memset () instead of
2258 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
2260 * cppfiles.c (open_file): If already read, then don't reopen.
2261 Immediately close an empty file.
2263 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
2265 * expr.h (fold_builtin): Move declaration...
2266 * tree.h (fold_builtin): ... here.
2268 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
2270 * flow.c (verify_local_live_at_start): Allow hard regs to die.
2272 2000-11-02 Neil Booth <neilb@earthling.net>
2275 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
2276 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
2277 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
2278 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
2279 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
2280 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
2281 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
2282 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
2283 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
2284 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
2285 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
2286 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
2287 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
2288 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
2289 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
2290 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
2291 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
2292 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
2293 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
2294 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
2295 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
2296 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
2297 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
2298 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
2299 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
2300 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
2301 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
2302 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
2303 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
2304 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
2305 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
2306 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
2307 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
2308 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
2309 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
2310 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
2311 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
2312 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
2313 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
2314 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
2315 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
2316 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
2317 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
2318 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
2319 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
2320 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
2321 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
2322 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
2323 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
2324 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
2325 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
2326 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
2327 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
2328 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
2329 vax/vaxv.h, vax/vms.h, we32k/we32k.h
2331 Replace -A() with -A=, the new assertion syntax.
2333 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
2335 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
2337 In REG_DEAD handling: When handling parts of multi-hard-reg hard
2338 registers, increment the loop counter by the size of the parts;
2339 use recursion to handle individual parts.
2341 2000-11-02 Neil Booth <neilb@earthling.net>
2343 * configure.in: Make integrated CPP the default.
2344 * configure: Regenerate.
2346 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
2348 * reload.c (find_equiv_reg): Test all hard registers for membership
2349 in the requested class.
2351 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
2353 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
2354 process_command, main), gcov.c (open_files, output_data), tlink.c
2355 (frob_extension, scan_linker_output), toplev.c
2356 (file_name_nondirectory): Use strchr () and strrchr () instead of
2357 index () and rindex ().
2359 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
2361 * c-common.c (get_flag_spec, check_format_info_main,
2362 check_format_types): Use strchr () instead of index (). Compare
2363 against error_mark_node instead of comparing the TREE_CODE against
2366 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
2370 * c-lex.c (init_c_lex): Update cpp_start_read call.
2371 (cb_ident): Update for new callback prototype.
2372 (cb_def_pragma): Update for new cpp_get_token prototype.
2373 (c_lex): Similarly. Use cpp_get_line.
2375 * c-parse.in (finish_parse): Update for new cpp_finish
2378 * cp/lex.c (finish_parse): Similarly.
2380 2000-11-01 Geoff Keating <geoffk@cygnus.com>
2382 * machmode.def: Add V16QImode.
2384 2000-11-01 Richard Henderson <rth@redhat.com>
2386 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
2387 from rtl_for_decl_location.
2388 (add_location_or_const_value_attribute): Likewise.
2390 2000-11-01 Neil Booth <neilb@earthling.net>
2392 * cpplib.c (run_directive): Use correct line number for output
2393 of _Pragma. Remember any in-progress directive.
2395 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
2397 2000-11-01 Richard Henderson <rth@redhat.com>
2399 * stmt.c (expand_start_null_loop): Set continue_label.
2401 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
2403 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
2404 (expand_builtin_constant_p): Move parts of the code into
2405 fold_builtin_constant_p.
2406 (expand_builtin_strlen): Move parts of the code into fold_builtin.
2407 * expr.h (fold_builtin): Declare.
2408 * fold-const.c (fold): Handle builtin calls.
2410 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
2412 2000-11-01 Richard Henderson <rth@redhat.com>
2414 * stmt.c (expand_start_null_loop): New.
2415 (expand_end_null_loop): New.
2416 * c-semantics.c (genrtl_do_stmt): Use them.
2417 * tree.h: Declare them.
2419 2000-11-01 Richard Henderson <rth@redhat.com>
2421 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
2423 2000-11-01 Neil Booth <neilb@earthling.net>
2425 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
2426 * cp/spew.c: Similarly.
2427 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
2428 * cppmacro.c (stringify_arg): Similarly.
2429 * cpplib.h (CPP_BACKSLASH): Delete.
2431 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2433 * builtins.c (expand_builtin_strstr): New function.
2434 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
2436 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
2438 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
2441 2000-10-31 Richard Henderson <rth@redhat.com>
2443 * config/i386/i386.c (fcmov_comparison_operator): Check for
2444 CCFPmode or CCFPUmode instead of CCmode.
2445 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
2446 unordered operations as well.
2448 2000-10-31 Richard Henderson <rth@redhat.com>
2450 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
2451 of integer_zero_node.
2453 2000-10-31 Richard Henderson <rth@redhat.com>
2455 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
2457 2000-10-31 Nick Clifton <nickc@redhat.com>
2459 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
2460 -fdata-sections to override the section attribute of a DECL.
2462 2000-10-31 Chris Demetriou <cgd@sibyte.com>
2464 * libgcc2.c (__shtab): Remove __shtab variable.
2465 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
2466 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
2469 2000-10-31 Jim Wilson <wilson@redhat.com>
2471 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
2472 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
2473 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
2474 instead of ASM_OUTPUT_INTERNAL_LABEL.
2475 (dwarf2out_end_block, dwarf2out_label): Likewise.
2476 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
2477 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
2479 2000-10-31 Richard Henderson <rth@redhat.com>
2481 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
2482 (size_of_locs): Set it.
2483 (output_loc_operands): Use it to compute branch displacement.
2484 (int_loc_descriptor): New.
2485 (mem_loc_descriptor): Dereference memory in the proper size.
2486 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
2487 (loc_descriptor_from_tree): New.
2488 (rtl_for_decl_location): Break out from ...
2489 (add_location_or_const_value_attribute): ... here.
2490 (add_bound_info): Use loc_descriptor_from_tree.
2492 2000-10-31 Neil Booth <neilb@earthling.net>
2494 * cpp.texi: Update for new command line assertion syntax.
2495 * cpplib.c (cpp_define): Simplify a bit.
2496 (cpp_assert, cpp_unassert): Use handle_assertion.
2497 (handle_assertion): New function; accept new command line
2499 * testsuite/gcc.dg/cpp/assert3.c: New tests.
2501 2000-10-31 Neil Booth <neilb@earthling.net>
2503 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
2504 undefined. Remove #ifdef check.
2505 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
2506 Define STDC_0_IN_SYSTEM_HEADERS to 1.
2508 2000-10-31 Jan Hubicka <jh@suse.cz>
2509 Jakub Jelinek <jakub@redhat.com>
2511 * config/i386/i386.h: Clarify CCNOmode description in comment.
2512 (EXTRA_CC_MODES): Remove CCRCmode.
2513 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
2514 (put_condition_code, ix86_match_ccmode): Likewise.
2515 (ix86_cc_mode): Likewise. Fix comment.
2516 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
2517 * config/i386/i386.md: Add unspec 12 description.
2518 (adddi3 split): Use unspec 12 instead of CCRCmode.
2519 (addsi3_carry_rc): Remove.
2520 (addsi3_cc, addqi3_cc): New patterns.
2521 (addsi_3): Swap operands, match CCZmode.
2522 (addsi_4): Rewritten.
2523 (addsi_5): Renamed from addsi_6.
2525 (addhi_3): Swap operands, match CCZmode.
2526 (addhi_4): Rewritten.
2527 (addhi_5): Renamed from addhi_6.
2529 (addqi_3): Swap operands, match CCZmode.
2530 (addqi_4): Rewritten.
2531 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
2532 (subsi3_carry_rc): Removed.
2533 (iorqi_3): Use =q constraint for clobber.
2534 (xorqi_cc_2): Likewise.
2535 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
2536 (x86_movsicc_0_m1_rc): Removed.
2537 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
2539 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
2541 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
2542 and decrement of complex types.
2544 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2546 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
2547 builtin fputs, ensure we still evaluate the stream in case it
2550 2000-10-31 Jakub Jelinek <jakub@redhat.com>
2552 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
2555 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
2557 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
2558 (fp_extended_operand, emit_fpscr_use): Likewise.
2559 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
2560 (fpul_operand): New function.
2561 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
2562 fp_extended_operand. Add fpul_operand.
2563 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
2564 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
2565 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
2566 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
2567 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
2568 (divdf3_i): Likewise.
2569 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
2570 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
2571 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
2572 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
2573 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
2575 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
2577 * config/i386/i386.c (ix86_init_builtins): Correct return type
2578 building v4hi_ftype_v4hi_int_int tree node.
2579 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
2580 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
2582 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
2584 (mmx__uavgv8qi3): Correct insn mnemonic.
2585 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
2586 (mmx_punpckhwd): Correct insn mnemonic.
2587 (mmx_punpckhdq): Likewise.
2588 (mmx_punpcklwd): Likewise.
2589 (mmx_punpckldq): Likewise.
2590 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
2591 Renumber case labels to match the _mm_prefetch constants defined in
2594 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
2595 if the splitter didn't emit new insns.
2596 Make sure we call cleanup_subreg_operands even when splitting the last
2597 insn in a basic block.
2599 * invoke.texi (Debugging Options): Describe -do.
2600 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
2601 (dump_file): Likewise.
2602 (rest_of_compilation): Split .greg dump into .greg and .postreload.
2604 2000-10-30 Neil Booth <neilb@earthling.net>
2606 * cppfiles.c (stack_include_file): Check for stacked contexts
2608 * cpphash.h (_cpp_do__Pragma): New prototype.
2609 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
2611 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
2612 escaped newlines if !(buffer->from_stage3).
2613 (_cpp_lex_token): Warn about missing newlines iff
2614 !buffer->from_stage3.
2616 * cpplib.c (get__Pragma_string, destringize,
2617 _cpp_do__Pragma): New functions.
2618 (run_directive): Set output_line for _Pragma to avoid line
2619 markers in output. Set from_stage3 and prevent macro expansion
2620 for _Pragma and command-line options. Check buffer exhaustion.
2621 (cpp_push_buffer): Don't check for stacked macro contexts, as
2622 this is perfectly legitimate for _Pragma. Move the check to
2623 stack_include_file instead. Set from_stage3 iff buffer is
2626 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
2627 unsigned. New boolean from_stage3.
2628 (struct spec_nodes): Add n__Pragma.
2630 * cppmacro.c (enter_macro_context): Flip sense of return value.
2631 (_cpp_get_token): Handle _Pragma operator.
2633 2000-10-30 Phil Edwards <pme@sources.redhat.com>
2635 * gcc.texi: The C++ standard isn't "draft" anymore.
2637 2000-10-30 Mark Mitchell <mark@codesourcery.com>
2639 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
2641 2000-10-29 Neil Booth <neilb@earthling.net>
2643 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
2645 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
2647 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
2648 fixinc/inclhack.def: Change comments mentioning C9X to refer to
2651 * invoke.texi: Document that -V will only work for very similar
2652 versions of driver and compiler.
2654 2000-10-29 Neil Booth <neilb@earthling.net>
2656 * cppmacro.c (_cpp_create_definition): Optimize the case of
2657 a macro defined to itself.
2659 2000-10-29 Neil Booth <neilb@earthling.net>
2661 * cpplex.c (save_comment): Don't store new lines in C++ comments.
2663 2000-10-29 Michael Hayes <mhayes@redhat.com>
2665 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
2667 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
2669 * cpphash.c (cpp_forall_identifiers): Add context variable
2670 for callback routine.
2671 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
2673 (main): Call cpp_forall_identifiers with null context.
2674 * cpplib.h (cpp_forall_identifiers): Update prototype.
2676 * cppmain.c: Make `parse_in' and `print' static.
2678 2000-10-28 Alan Modra <alan@linuxcare.com.au>
2680 * c-decl.c (finish_function): Clear c_function_name_declared_p.
2682 2000-10-28 Richard Henderson <rth@redhat.com>
2684 * regrename.c (scan_rtx_address): Frob action, not class,
2685 when trying to disable optimization.
2687 2000-10-28 Mark Mitchell <mark@codesourcery.com>
2689 * c-semantics.c (make_rtl_for_local_static): Don't clobber
2690 DECL_ASSEMBLER_NAME.
2692 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
2694 * configure.in: Determine and substitute gcc_version_full.
2695 * configure: Regenerate.
2696 * gccbug.in: Use it to give full version. Don't allow
2699 2000-10-28 Richard Henderson <rth@redhat.com>
2701 * recog.c (split_all_insns): Run cleanup_subreg_operands
2704 * regrename.c (regrename_optimize): Verify that all registers of
2705 a multiple register mode are available.
2706 (scan_rtx_address): Accept the mode of the address; all callers
2709 * cpplib.c (run_directive): Fix prototype.
2711 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
2713 * reload.c (find_reloads): Distinguish "wins" so that we know whether
2714 a given operand won because of a matching constraint or not; then use
2715 that information to compute goal_alternative_matched properly.
2716 * reload1.c (choose_reload_regs): Never set reload_override_in for an
2719 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
2720 accurate value for MULT.
2721 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
2722 2% or > 98% before using static branch prediction bits.
2724 2000-10-28 Neil Booth <neilb@earthling.net>
2728 * cpplib.c (struct answer): New.
2729 (struct if_stack): Use cpp_lexer_pos rather than line and col.
2730 Rename cmacro mi_cmacro.
2731 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
2732 IN_I): New directive and flags.
2733 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
2734 parse_answer, parse_assertion, find_answer): New functions.
2735 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
2736 (lex_macro_node): New function to replace parse_ifdef and
2739 (_cpp_handle_directive): New function, combines _cpp_check_directive
2740 and _cpp_check_linemarker.
2742 (do_define, do_undef, parse_include, do_include, do_import,
2743 do_include_next, read_line_number, do_line, do_ident, do_pragma,
2744 do_pragma_once, do_pragma_poison, do_pragma_dependency):
2745 Update for new token getting interface.
2747 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
2748 : Update for new multiple-include optimisation technique.
2749 (do_elif): Don't forget to invalidate controlling macros.
2751 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
2752 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
2753 Functions to handle assertions with the new token interface.
2754 (do_assert, do_unassert): Use them.
2756 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
2759 (_cpp_init_stacks): Register directive names. Don't register special
2762 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
2763 new position recording regime.
2764 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2765 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
2766 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
2767 (cpp_type2name): Move to cpplex.c.
2769 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
2770 (parse_defined): Update to handle new multiple include optimisation
2771 method. Remove poisoned identifier warning.
2772 (parse_assertion, TYPE_NAME): Delete.
2773 (lex): Update for multiple include optimisation, removal of
2774 CPP_DEFINED, to use _cpp_test_assertion for assertions and
2776 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
2777 (op_as_text): New function, to wrap cpp_token_as_text.
2779 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
2780 Update for MI optimisation.
2781 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
2782 segfault on diagnostic.
2783 (_cpp_compare_file_date): Take a token rather than 3 args.
2784 (cpp_read_file): Work correctly for zero-length files.
2786 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
2787 _cpp_init_hashtable and _cpp_cleanup_hashtable.
2788 (cpp_lookup): Place identifiers at front of identifier pool
2789 for _cpp_lookup_with_hash.
2790 (_cpp_lookup_with_hash): Require identifiers to be at the front of
2791 the identifier pool. Commit the memory if not already in the
2794 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
2795 Initialise various members of cpp_reader, memory pools, and the
2797 (cpp_printer_init): Delete.
2798 (cpp_cleanup): Update.
2799 (struct builtin, builtin_array, initialize_builtins): Update for new
2800 hashnode definition and builtin handling.
2801 (cpp_start_read, cpp_finish): Don't take or initialise a
2804 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
2805 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
2806 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
2807 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
2808 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
2809 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
2810 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
2811 struct toklist, struct cpp_context, struct specnodes,
2812 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
2813 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
2814 enum builtin_type, cpp_can_paste): New.
2815 (struct cpp_token): Delete line and col members.
2816 (struct cpp_buffer): New member output_lineno.
2817 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
2818 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
2819 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
2820 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
2821 base_context, context, directive, mi_state, mi_if_not_defined,
2822 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
2823 mlstring_pos, macro_buffer, macro_buffer_len.
2824 Delete members mls_line, mls_column, token_list, potential_control_macro,
2825 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
2826 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
2827 save_parameter_spellings, need_newline, .
2828 Change type of date, time and spec_nodes members.
2829 Change prototypes for include and ident callbacks.
2830 (struct cpp_hashnode): Change type of name. Remove union members
2831 expansion and code. Add members macro, operator and builtin.
2833 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
2834 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
2835 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
2836 cpp_stop_lookahead): New prototypes.
2837 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
2839 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
2840 Move from cpphash.h.
2842 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
2843 ufputs): Move to cpplib.h.
2844 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
2845 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
2846 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
2847 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
2848 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
2849 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
2850 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
2851 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
2852 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
2853 _cpp_parse_assertion, _cpp_find_answer): Delete.
2854 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
2855 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
2856 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
2857 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
2858 _cpp_handle_directive, DSC): New.
2859 (struct include_file): New member defined.
2861 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
2862 _cpp_compare_file_date): Update.
2863 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
2864 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
2865 _cpp_cleanup_hashtable.
2867 * Makefile.in: Remove cppoutput.c.
2869 * cppoutput.c: Delete
2871 * fixheader.c (read_scan_file): Update for new cpp_get_token
2873 (recognized_function): New argument LINE.
2875 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
2876 new cpp_get_token prototype.
2878 * scan.h (recognized_function): Update prototype.
2880 * po/POTFILES.in: Remove cppoutput.c.
2882 2000-10-27 Mark Mitchell <mark@codesourcery.com>
2884 * c-typeck.c (check_init_type_bitfields): Remove.
2885 (constructor_incremental): Likewise.
2886 (struct constructor_stack): Remove incremental bit.
2887 (struct initializer_stack): Likewise.
2888 (start_init): Don't play with constructor_incremental.
2889 (finish_init): Likewise.
2890 (really_start_incremental_init): Likewise.
2891 (push_init_level): Likewise.
2892 (pop_init_level): Likewise.
2893 (output_init_level): Likewise.
2894 (output_pending_init_elements): Likewise.
2896 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
2898 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
2899 Improve error messages. Correct parsing of
2900 #pragma pack(pop [,id]). Do not check the user-supplied
2901 alignment if we're popping.
2903 * gcc.dg/pack-test-1.c: New test case.
2904 * gcc.dg/pack-test-2.c: New test case.
2905 * gcc.dg/pack-test-1.h: New file.
2907 2000-10-27 Neil Booth <neilb@earthling.net>
2911 2000-10-27 Kelley Cook <kelley.cook@home.com>
2913 * invoke.texi: Document -mintel-syntax
2915 2000-10-27 Richard Henderson <rth@redhat.com>
2917 * invoke.texi: Document -frename-registers. Add it to -O3.
2918 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
2919 (enum dump_file_index, dump_file): Update order.
2920 (main): Set flag_rename_registers at -O3.
2922 2000-10-27 Richard Henderson <rth@redhat.com>
2924 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
2925 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
2926 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
2927 * config/alpha/alpha.md (call_osf_1): Use it.
2928 (call_value_osf_1): Likewise.
2930 * config/ia64/ia64.c: Revert 10-23 patch.
2931 (ia64_hard_regno_rename_ok): New.
2932 * config/ia64/ia64-protos.h: Declare it.
2933 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
2935 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
2936 Richard Henderson <rth@redhat.com>
2938 * regrename.c: Rewrite to handle multi-register modes and
2939 cond_exec instructions.
2940 * Makefile.in (regrename.o): Update dependancies.
2941 * recog.h (struct operand_alternative): Add is_address.
2942 * recog.c (preprocess_constraints) [case 'p']: Set it.
2944 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
2946 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
2947 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
2948 top level. Kill oldstyle_subdirs. Do not include
2949 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
2950 $outputs. Do not run configure.lang from config.status.
2951 Rearrange warning-flag logic to correspond to what the
2952 makefile wants. Put special vax stage1 options in
2953 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
2954 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
2955 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
2956 switch is given, nothing otherwise.
2957 * configure.lang: Delete.
2959 * Makefile.in: Expunge all traces of extra_c_objs,
2960 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
2961 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
2962 warning options via a three level scheme so that -pedantic and
2963 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
2964 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
2965 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
2966 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
2967 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
2968 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
2969 generation rules. Wrap all rules that change the current
2970 directory in parentheses; pmake doesn't spawn a new shell for
2971 each command. Expunge all references to $(P). When one
2972 command depends on another and they're run all at once, use &&
2973 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
2974 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
2977 * objc/Make-lang.in: Wrap all rules that change the current
2978 directory in parentheses. Expunge all references to $(P).
2979 When one command depends on another and they're run all at
2980 once, use && to separate them, not ;. Add OUTPUT_OPTION to
2981 all object-file generation rules. Delete obsolete variables.
2982 * objc/Makefile.in: Delete.
2984 2000-10-27 Jakub Jelinek <jakub@redhat.com>
2986 * calls.c (expand_call): If sibcall_failure is set during pass 1,
2987 clear tail_call_insns as well.
2989 2000-10-27 Nick Clifton <nickc@redhat.com>
2991 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
2994 2000-10-26 Richard Henderson <rth@redhat.com>
2996 * calls.c (expand_call): Supress sibcall if we have a
2997 BLKmode return in registers.
2999 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
3001 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
3004 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
3006 * tree.c (make_node, case 't'): Set alignment to that of
3008 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
3010 2000-10-25 Mark Mitchell <mark@codesourcery.com>
3012 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
3013 * configure.in (enable-libstdcxx-v3): Arrange to have
3014 HAVE_LIBSTDCXX_V3 substituted into the output files.
3016 2000-10-25 Richard Henderson <rth@redhat.com>
3018 * recog.c (constrain_operands): Initialize which_alternative
3019 before no alternatives early exit.
3021 * cse.c (find_comparison_args): Check that we can reverse a
3022 comparison if needed before accepting the substitution.
3024 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
3026 * simplify-rtx.c (simplify_relational_operation): Sign extend
3027 low words before sign extending to high words.
3029 2000-10-25 Nick Clifton <nickc@redhat.com>
3031 * config/mcore/mcore.c: Include config.h before system.h.
3033 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
3035 * config/mcore/mcore.md (return): Force function epilogue to
3036 always be generated to work around epilogue suppression bug in
3039 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
3041 * c-decl.c (grokdeclarator): Move warning for qualified void
3042 return types with -pedantic to when the function type is
3043 constructed. At -W, warn in general for qualified function return
3044 types, except for volatile void.
3045 * invoke.texi: Document this new warning at -W.
3047 2000-10-25 Neil Booth <neilb@earthling.net>
3049 * cpp.texi: Update with implementation-defined behavior and
3052 2000-10-25 Jakub Jelinek <jakub@redhat.com>
3054 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
3055 incomplete type force it into alias set 0.
3057 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
3059 * alias.c: Include basic-block.h.
3060 (loop_p): New function.
3061 (mark_constant_function): Use it.
3062 * Makefile.in (alias.o): Update dependencies.
3064 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
3066 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
3069 2000-10-24 Jim Wilson <wilson@cygnus.com>
3071 * expmed.c (store_bit_field): Move integer pun code down after
3072 code that calls emit_move_insn for entire register move.
3073 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
3074 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
3076 2000-10-24 Richard Henderson <rth@cygnus.com>
3078 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
3079 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
3081 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
3083 * gcse.c (cprop_insn): do not propagate constants into jump_insn
3084 for machines with CC0 more than once.
3086 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
3088 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
3089 pseudos just like memory.
3091 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
3093 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
3094 when deleting libcall sequence collapsed to a single instruction.
3096 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
3098 * expr.c (do_store_flag): Don't crash if either side of a
3099 comparison is error_mark_node.
3101 2000-10-24 Jakub Jelinek <jakub@redhat.com>
3103 * sibcall.c (purge_mem_unchanging_flag): New function.
3104 (optimize_sibling_and_tail_recursive_calls): Call it.
3106 2000-10-24 Philipp Thomas <pthomas@suse.de>
3108 * Makefile.in (check-po): New target for doing checks in the po
3109 subdir if all languages configured.
3110 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
3111 configure if NLS is enabled.
3112 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
3113 otherwise leave empty.
3114 * configure: Regenerate.
3116 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3118 * i386.c (print_operand): Handle new 'A' formatting code.
3119 387 opcodes need suffixes even with -mintel-syntax.
3120 Check for explicit size override (codes 'b', 'w' and 'k').
3121 (print_operand_address): Check if register prefix is needed when
3122 emitting `ds' segment override.
3123 * i386.h: Add comment about new 'A' formatting code.
3124 * i386.md (jump and call patterns): Emit absolute references using %A.
3126 2000-10-23 Richard Henderson <rth@cygnus.com>
3128 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
3129 output registers as fixed.
3130 (ia64_function_epilogue): Undo output fixation.
3132 2000-10-23 Richard Henderson <rth@cygnus.com>
3134 * config/alpha/alpha.md: Add names for all unnamed insns; use
3135 define_insn_and_split in some obvious places.
3137 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
3138 (zero_extendqisi2, zero_extendqidi2): Likewise.
3139 (zero_extendhisi2, zero_extendhidi2): Likewise.
3140 (abs splitters): Fix match_scratch operand number.
3141 (bcc_reverse): Swap pc & label instead of non-canonical compare.
3143 2000-10-23 Jim Wilson <wilson@cygnus.com>
3145 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
3147 * ia64.md (cmpsi_adjusted): Use %r3.
3148 (cmpdi_adjusted): Likewise.
3150 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3152 * config/i386/att.h (ASM_FILE_START): Define.
3154 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3156 * config/i386/linux.h (ASM_FILE_START): Define.
3158 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
3160 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
3161 since this (only) drags in a crt0.o reference that the .ld files
3164 2000-10-23 Geoff Keating <geoffk@cygnus.com>
3166 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
3167 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
3168 reloads just like an RELOAD_FOR_OUTPUT would.
3170 * local-alloc.c (update_equiv_regs): Add an abort(). When
3171 deleting or moving insns, update reg_equiv[regno].init_insns.
3173 2000-10-23 Mark Mitchell <mark@codesourcery.com>
3175 * c-tree.texi: Improve documentation for IF_STMTs and related
3176 conditional statements.
3178 2000-10-22 Mark Mitchell <mark@codesourcery.com>
3180 * expr.c (do_preexpand_calls): Remove.
3181 (same_from_p): Don't use CALL_EXPR_RTL.
3182 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
3183 (preexpand_calls): Remove.
3184 * tree.c (first_rtl_op): Remove CALL_EXPR case.
3185 (unsave_expr_1): Likewise.
3186 * tree.def (CALL_EXPR): Give it only two slots.
3187 * tree.h (CALL_EXPR_RTL): Remove.
3189 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
3191 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
3192 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
3195 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
3197 * calls.c (combine_pending_stack_adjustment_and_call): Don't
3198 adjust stack when unadjusted_alignment ends up as zero.
3200 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
3202 * fixinc/genfixes: Remove EGCS reference.
3203 * install.texi: Remove EGCS reference.
3204 * INSTALL: Regenerate.
3206 2000-10-22 Mark Mitchell <mark@codesourcery.com>
3208 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
3210 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
3212 * diagnostic.c: Remove EGCS reference in comment.
3214 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3216 * loop.c (strength_reduce): Fix error in last change.
3218 2000-10-20 David Edelsohn <edelsohn@gnu.org>
3220 * Makefile.in (SHLIB_NM_FLAGS): New.
3221 (libgcc.mk): Pass it.
3222 * mklibgcc.in (libgcc.map): Use it.
3224 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
3225 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
3227 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3229 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
3231 * sparc.c (load_pic_register): Delete unused varaible.
3233 * libgcc2.c (__addvsi3): Delete unused variable.
3235 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
3236 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
3237 __negvdi2): Prototype.
3239 * ssa.c (apply_delayed_renames): Avoid undefined operation.
3241 * toplev.c (display_target_options): Make static to match
3242 prototype. Delete empty declaration.
3244 2000-10-20 Tom Tromey <tromey@cygnus.com>
3246 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
3247 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
3249 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3251 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
3253 (expand_expr_unaligned, case ARRAY_REF): Check that index is
3254 a constant before comparing it; use tree_low_cst.
3255 * tree.c (save_expr): Set TREE_READONLY.
3256 (substitute_expr): Return inside of NON_LVALUE_EXPR.
3257 (build, build1): Set TREE_READONLY if all operands are.
3258 (build_index_type): If upper bound is a negative number, lower
3259 bound is zero and sizetype is unsigned, use upper bound of one and
3262 2000-10-20 David Edelsohn <edelsohn@gnu.org>
3264 * gcc.c (process_command, main): Use "because" instead of
3265 "since" in error messages.
3267 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3269 * stor-layout.c (compute_record_mode): Use tree_low_cst.
3270 Don't use mode of field for record unless sizes are the same.
3271 (layout_type, case ARRAY_TYPE): Remove special bounds handling
3272 previously added for Ada; also change to using host_integerp
3275 * loop.c (strength_reduce): Show when new register made for
3276 giv is known to be a pointer and its aligment if so and known.
3277 (loop_dump_aux): Show VERBOSE parameter unused.
3279 * gcse.c (set_hash_table_size): Now unsigned.
3280 * sdbout.c (template_name_p): Add "const" to avoid warnings.
3281 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
3282 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
3283 (sdbout_end_epilogue): Remove variable NAME.
3284 * system.h (getopt): Add default definition.
3285 * config/alpha/alpha.c (print_operand): Don't continue processing
3286 after issuing error.
3287 (summarize_insn): Avoid use of UL in constant.
3289 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
3291 * fold-const.c (force_fit_type): Unsigned values can overflow
3292 if they are sizetype.
3293 (int_const_binop): Don't use cache if overflows.
3295 2000-10-20 Richard Henderson <rth@cygnus.com>
3297 * function.c (locate_and_pad_parm): Zero alignment_pad.
3299 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
3300 perform substitutions, and apply_change_group to see if it worked.
3302 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3304 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
3306 * combine.c (struct undo): Change int to unsigned int.
3307 (do_SUBST_INT): Args are unsigned int.
3308 (make_extraction, force_to_mode): Use proper type when forming mask.
3309 (make_field_assignment): Likewise.
3311 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
3313 * c-common.c (check_format_info_recurse): Extract string constant
3314 initializers from non-volatile constant arrays and check them as
3316 * c-typeck.c (decl_constant_value): Don't check pedantic or check
3317 for DECL_MODE (decl) != BLKmode.
3318 (decl_constant_value_for_broken_optimization): New function which
3319 includes these checks.
3320 (default_conversion, convert_for_assignment, digest_init): Use
3321 decl_constant_value_for_broken_optimization instead of
3322 decl_constant_value.
3324 2000-10-20 Mark Mitchell <mark@codesourcery.com>
3326 * tree.h (DECL_ALIGN_UNIT): New macro.
3328 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
3330 * config/avr/avr-protos.h (avr_output_bld): New.
3331 (out_shift_with_cnt): Add t_len argument.
3332 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
3333 (output_movqi, output_movhi, output_movsisf): Optimize loading
3334 any constant with exactly one bit set to NO_LD_REGS.
3335 (out_shift_with_cnt): Optimize output code for size or speed,
3336 depending on optimize_size. Handle small shift counts as well
3337 (if not hand-optimized in ?sh??i3_out). Shifts can be done
3338 with or without a scratch register, with help of __tmp_reg__
3339 or __zero_reg__ if necessary. Add T_LEN argument to pass the
3340 length of TEMPLATE in words, return total insn length in *LEN.
3341 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
3342 out_shift_with_cnt to work with the above change.
3343 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
3344 lshrsi3_out): Likewise. Optimize more known shift count cases.
3345 Remove cases already well optimized in out_shift_with_cnt.
3346 (avr_output_bld): New function.
3347 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
3348 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
3349 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
3350 Add reload_completed to insn condition - only for peepholes.
3351 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
3352 in a register or memory.
3353 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
3354 Do not require a scratch register.
3355 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
3356 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
3357 Optimize shifts by known count using a scratch register, but only
3358 if one is still available after register allocation.
3360 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3362 * t-vax: New file. Don't build modules from libgcc1.c.
3364 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
3366 * alias.c: (mark_constant_function): Don't check pure functions.
3367 Initialize and end alias analysis.
3368 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
3369 Don't make a special exception for recursion. Handle
3370 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
3371 unless it's volatile.
3373 * local-alloc.c (equivalence): New structure.
3374 (reg_equiv): Define.
3375 (contains_replace_regs): Remove array and use
3377 (memref_referenced_p): Likewise.
3378 (no_equiv): Likewise.
3379 (update_equiv_regs): Likewise.
3381 (equiv_init_varies_p,
3382 equiv_init_movable_p): New functions.
3383 (update_equiv_regs): Use them. Use rtx_varies_p
3384 instead of function_invariant_p. Process insns
3385 from end to beginning. Allow a REG_EQUIV insn
3386 within the same loop as a use to be moved, also
3387 allow it to be moved out of a loop. Update
3388 REG_DEAD notes when substituting into an insn.
3390 2000-10-19 Jim Wilson <wilson@cygnus.com>
3392 * c-decl.c (start_decl): Check for error_mark_node type before using
3394 (finish_decl): Likewise. Don't give an error if decl type is
3395 already error_mark_node.
3397 * haifa-sched.c (compute_trg_info): Add explanatory comments.
3398 New local update_blocks. Use update_blocks to remove duplicates
3399 when computing update blocks. Check for bblst_table overflow.
3400 (schedule_block): Add explanatory comment. Reduce bblst_size by
3402 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
3405 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3407 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
3409 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3411 * expmed.c: Minor corrections in comments.
3412 * invoke.texi: Added desciption for the new option -ftrapv.
3414 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3416 * libgcc2.c: Added the missing #endif.
3418 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
3420 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
3422 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
3424 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
3425 Use smulv_optab for -ftrapv.
3426 (expand_mult_highpart): Use unsigned multiply.
3427 (expand_divmod): Special-case division by -1.
3428 For EXACT_DIV_EXPR, do right shift first, then the multiply.
3429 For complex divide, use abs with unsigned result.
3430 * expr.c (force_operand): Use unsigned multiply.
3431 (expand_expr): Use overflow-trapping optabs for signed types if
3433 If flag_trapv, don't generate a recursive call with EXPAND_SUM
3434 if the type is signed and the original call wasn't EXPAND_SUM or
3436 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
3437 (negv_optab, absv_optab): Declare.
3438 * flags.h (flag_trapv): Declare.
3439 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
3440 smulv_optab, sdivv_optab, negv_optab and absv_optab.
3441 (gen_insn): Interpret '$P' as requiring an integer mode,
3442 including partial integer modes.
3443 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
3444 (product_cheap_p): Use unsigned expand_mult.
3445 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
3446 (negv_optab, absv_optab): Define.
3447 (expand_binop): Use overflow-trapping optabs for signed types if
3449 Handle negv_optab libe neg_optab.
3450 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
3451 Use overflow-trapping optabs for signed result if flag_trapv.
3452 (expand_complex_abs): Use overflow-trapping optabs for signed types if
3454 Don't open-code complex absolute-value operation for flag_trapv.
3455 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
3456 sdivv_optab, negv_optab and absv_optab.
3457 * toplev.c (flag_trapv): Define.
3458 (lang_independent_options f_options): Include flag_trapv.
3459 * tree.h (TYPE_TRAP_SIGNED): Define.
3460 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
3461 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
3463 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
3464 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
3466 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
3467 David V. Henkel-Wallace <gumby@cygnus.com>
3469 * config/i386/t-netware: Bring in from the Red Hat tree.
3470 * config/i386/netware.h: Likewise.
3471 * config/netware.h: Likewise.
3472 * config/rs6000/netware.h: Delete.
3473 * configure.in: Add i[34567]86-*-netware.
3474 * configure: Hand-edit to match configure.in change.
3476 2000-10-18 Mark Mitchell <mark@codesourcery.com>
3478 * c-common.h (flag_no_builtin): Declare.
3479 (flag_no_nonansi_builtin): Likewise.
3480 (c_common_nodes_and_builtins): Change prototype.
3481 * c-common.c (flag_no_builtin): New variable.
3482 (flag_no_nonansi_builtin): Likewise.
3483 (c_common_nodes_and_builtins): Remove parameters. Adjust
3485 * c-decl.c (flag_no_builtin): Remove.
3486 (flag_no_nonansi_builtin): Likewise.
3487 (init_decl_processing): Adjust call to
3488 c_common_nodes_and_builtins.
3490 2000-10-18 Marc Espie <espie@openbsd.org>
3492 * tm.texi (LIBGCC_SPEC): Synch with reality.
3494 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3496 * c-common.c (check_format_types): Check for writing through a
3497 NULL pointer argument.
3499 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
3501 * tm.texi (Exception Region Output): Document
3502 DWARF_CIE_DATA_ALIGNMENT.
3503 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
3505 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
3506 DWARF_CIE_DATA_ALIGNMENT.
3508 2000-10-18 Michael Hayes <mhayes@cygnus.com>
3510 * basic-block.h (struct loop): Delete fields pre_header_root
3511 and pre_header_trace and replace with pre_header_edges
3512 and num_pre_header_edges.
3513 * flow.c (flow_loop_dump): Dump pre_header_edges.
3514 (flow_loops_free): Free pre_header_edges.
3515 (flow_loop_pre_header_scan): Calculate pre_header_edges.
3517 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3519 * contrib.texi: Update references to steering committee members
3520 and Jeff Law's entry.
3522 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3524 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
3525 (maybe_read_dollar_number, check_format_info_main): Use them for
3526 pedantic warning messages.
3528 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3530 * c-common.c (check_format_info_main): Minor cleanup: move
3531 variables into inner scopes; initialize declarations where
3532 appropriate; don't hardcode "scanf" name on warning for zero
3535 2000-10-17 Mark Mitchell <mark@codesourcery.com>
3537 * c-common.c (back_end_hook): New variable.
3538 * c-common.h (back_end_hook): Declare it.
3539 * c-lang.c (finish_file): Use it.
3541 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
3544 2000-10-18 Jan Hubicka <jh@suse.cz>
3546 * i386.c (ix86_comparison_operator, put_condition_code,
3547 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
3548 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
3549 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
3550 * i386.md (adddi and negdi splitter): Use CCRCmode.
3551 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
3552 (subsi3_carry): add '*'
3553 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
3554 (cmp to add peep2): Use CCRCmode; swap operands.
3556 2000-10-18 Kazu Hirata <kazu@hxi.com>
3558 * h8300.c: Fix a comment typo.
3559 (round_frame_size): New.
3560 (compute_saved_regs): Likewise.
3563 (push_order): Remove.
3564 (pop_order): Likewise.
3565 (function_prologue): Rearrange code for readability.
3566 (function_epilogue): Likewise.
3568 * config/h8300/h8300.md: Remove an unnecessary sign_extend
3569 expander that is used when not optimizing. Output a tab after
3570 each assembly insns.
3572 * reorg.c: Fix formatting.
3574 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
3576 * reload1.c (move2add_note_store): Check for simple
3577 auto-inc in destination.
3579 2000-10-17 Michael Chastain <chastain@redhat.com>
3581 * config/i386/i386-aout.h: define INT_ASM_OP.
3583 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
3585 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
3587 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
3589 * i370.md: Fix spelling typo.
3591 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3593 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
3594 Fixes execute/20001017-1.c on powerpc-linux-gnu.
3596 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
3597 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
3600 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
3601 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
3603 * rs6000/aix.h: ...to here.
3604 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
3606 2000-10-17 Jakub Jelinek <jakub@redhat.com>
3608 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
3610 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
3611 sure linker can relax even the delay slot mov %g1,%o7, fix output
3614 2000-10-17 Kazu Hirata <kazu@hxi.com>
3616 * config/h8300/h8300.md: Remove an unnecessary zero_extend
3617 expander that is used when not optimizing. Output a tab after
3618 each assembly insns.
3620 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
3622 * gcc.c: New options --target-help.
3623 (process_command): Added code to parse this new option.
3624 * toplev.c (display_target_options): New function to support the
3626 * cppinit.c (new_pending_directive) : New option OPT_target__help.
3627 (cpp_handle_option): Support this new option.
3628 * invoke.texi: Added notes about --target-help option.
3630 2000-10-17 Graham Stott <grahams@redhat.com>
3632 * config/i386/i386.md (testqi_1): Add missing operand prefix
3634 * config/i386/i386-protos.h: Add missing prototype.
3636 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
3638 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
3639 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
3640 using -mintel-syntax.
3642 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
3644 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
3645 (format_types): Use it for printf.
3646 (maybe_read_dollar_number): Add parameter for the kind of format
3647 involved. Warn for multiple use for arguments if this is
3648 inappropriate for the kind of format involved.
3649 (check_format_info_main): Update calls to maybe_read_dollar_number.
3651 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3653 * inclhack.def (hpux_maxint): Also apply fix to values.h.
3654 * fixincl.x: Rebuilt.
3656 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
3658 * genrecog.c (write_switch): Return the first condition that needs a
3661 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
3663 * c-tree.h (warn_sequence_point): Move declaration to...
3664 * c-common.h (warn_sequence_point): ... here.
3665 * c-decl.c (warn_sequence_point): Move definition to...
3666 * c-common.c (warn_sequence_point): ... here.
3667 (struct reverse_tree): New.
3668 (reverse_list, reverse_max_depth): New static variables.
3669 (build_reverse_tree, common_ancestor, modify_ok
3670 verify_sequence_points): New functions.
3671 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
3672 * c-typeck.c (check_modify_expr): Delete.
3673 (build_modify_expr): Don't call it.
3675 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
3677 * c-common.h (warn_missing_format_attribute): New variable.
3678 * c-decl.c (warn_missing_format_attribute): New variable.
3679 (c_decode_option): Decode -Wmissing-format-attribute and
3680 -Wno-missing-format-attribute.
3681 * c-common.c (check_function_format): If
3682 -Wmissing-format-attribute, give a warning where a vprintf or
3683 vscanf function is called by a function without its own printf or
3685 * toplev.c (documented_lang_options): Add
3686 -Wmissing-format-attribute.
3687 * invoke.texi: Document -Wmissing-format-attribute.
3689 2000-10-17 Marc Espie <espie@openbsd.org>
3691 * invoke.texi (-shared): Insist on requiring code generation flags
3692 to be used along with -shared, and document the subtle failure that
3693 may occur otherwise.
3695 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3697 * pa.md (return_internal): Move `use' after `return'.
3699 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3701 * machmode.def: Correct comment.
3703 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
3705 * print-rtl.c (print_rtx_head): Constify.
3706 * rtl.h (print_rtx_head): Similarly.
3708 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
3709 Constify char * return value.
3711 (output_64bit_and, output_64bit_ior): Constify char * return value.
3712 (pa_can_combine_p): Make static.
3713 (function_arg): Decorate unused `named' argument. Fix comment typo.
3714 (function_arg_partial_nregs): Decorate unused `named' argument.
3716 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
3718 * c-common.c (format_check_results): New structure.
3719 (finish_dollar_format_checking): Adjust to take a
3720 format_check_results * parameter.
3721 (check_format_info, check_format_info_recurse,
3722 check_format_info_main): Split check_format_info into three
3723 functions, the main checking going in check_format_info_main.
3724 Recurse when any reduction of the format string argument towards a
3725 string literal is done; go down both branches of a conditional
3726 expression. Don't warn for extra format arguments or empty format
3727 strings if they only occur in some branches of a conditional
3730 2000-10-16 Kazu Hirata <kazu@hxi.com>
3732 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
3734 2000-10-16 Jakub Jelinek <jakub@redhat.com>
3736 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
3738 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
3740 * i386.md (*movsi_or): Switch operand order for intel syntax.
3742 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
3746 * gcc.texi (Contributing): Update.
3748 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
3750 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
3751 appropriate assembler dialect.
3753 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
3755 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
3757 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
3759 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
3760 constants 1 and 2 to NO_LD_REGS.
3762 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3764 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
3766 * objc/Make-lang.in (objc-parse.c): Likewise.
3768 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3770 * arm.c: Include obstack.h
3771 (minipool_obstack, minipool_startobj): Define.
3772 (arm_add_gc_roots): Initialize them.
3773 (create_fix_barrier): Use our new obstack.
3774 (push_minipool_barrier, push_minipool_fix): Likewise.
3775 (arm_reorg): Release obstack memory.
3777 2000-10-13 Jakub Jelinek <jakub@redhat.com>
3779 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
3780 (prologue, exception_receiver, builtin_setjmp_receiver): New
3782 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
3783 * config/sparc/sparc-protos.h (finalize_pic): Remove.
3784 (load_pic_register): New prototype.
3785 * config/sparc/sparc.c (pic_setup_code): Remove.
3786 (finalize_pic): Rename to...
3787 (load_pic_register): ...this function.
3788 Don't look for nonlocal_goto_receivers and emit pic setup code
3789 directly. Don't check current_function_uses_pic_offset_table.
3791 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3793 * tree.h (struct obstack): Declare.
3795 2000-10-12 Mark Mitchell <mark@codesourcery.com>
3798 * Makefile.in (ggc-callbacks.o): Remove target.
3799 (flow.o): Depend on GGC_H.
3800 * alias.c (init_alias_analysis):
3801 Remove ggc_p conditionals.
3802 (end_alias_analysis): Likewise.
3803 * basic-block.h (init_flow): New function.
3804 (allocate_reg_life_data): Declare.
3805 * bb-reorder.c (function_obstack): Replace with ...
3806 (flow_obstack): ... new variable.
3807 (fixup_reorder_chain): Use it.
3808 * c-decl.c (ggc_p): Remove.
3809 (caller-save.c): Don't call oballoc/obfree.
3811 undobuf): Remove storage.
3812 (try_combine): Don't call oballoc.
3813 (undo_all): Don't call obfree.
3814 * cse.c (insert): Use xmalloc, not
3816 (cse_main): Adjust accordingly.
3817 * dwarf2out.c (save_rtx): Remove
3819 (dwarf2out_init): Remove ggc_p conditionals.
3820 * emit-rtl.c (rtl_obstack): Remove.
3821 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
3822 (make_insn_raw): Likewise.
3823 (emit_insn_before): Likewise.
3824 (emit_insn_after): Likewise.
3825 (emit_insn): Likewise.
3826 (gen_sequence): Likewise.
3827 (copy_insn_1): Remove handling of `b' RTL components.
3828 (init_emit_once): Remove ggc_p conditionals.
3829 * except.c (create_rethrow_ref): Don't fool with obstacks.
3830 (add_partial_entry): Likewise.
3831 (call_get_eh_context): Likewise.
3832 (begin_protect_partials): Likewise.
3833 (protect_with_terminate): Likewise.
3835 (plus_constant_wide): Likewise.
3836 * expr.c (init_expr_once):
3838 (emit_block_move): Likewise.
3839 (clear_storage): Likewise.
3840 (expand_expr): Likewise.
3841 * flow.c (function_obstack): Remove.
3842 (flow_obstack): New variable.
3843 (flow_firstobj): Likewise.
3844 (create_base_block): Use the flow_obstack.
3845 (split_block): Likewise.
3846 (split_edge): Likewise.
3847 (calculate_global_regs_live): Likewise.
3848 (allocate_bb_life_data): Make it static. Likewiwse.
3849 (init_flow): New function.
3850 (size_int_type_wide): Remove ggc_p conditionals.
3852 (push_function_context_to): Don't call save_tree_status.
3853 (pop_function_context_from): Or restore_tree_status.
3854 (assign_stack_local_1): Don't call push_obstacks.
3855 (find_fixup_replacement): Use xmalloc.
3856 (fixup_var_refs_insns): Free the storage.
3857 (insns_for_mem_walk): Don't mess with obstacks.
3858 (instantiate_decls): Likewise.
3859 (trampoline_address): Likewise.
3860 (expand_function_end): Likewise.
3861 * function.h (sturct function):
3862 Remove obstack-related variables.
3863 (save_tree_status): Don't declare.
3864 (restore_tree_status): Likewise.
3865 * gcse.c (compute_can_copy):
3866 Don't call oballoc/obfree.
3867 * genattrtab.c (operate_exp): Remove
3869 (simplify_cond): Likewise.
3870 (simplify_test_exp): Don't mess with obstacks.
3871 (optimize_attrs): Likewise.
3872 * gengenrtl.c (gendef): Don't include
3874 * ggc-callbacks.c (ggc_p): Remove.
3875 * ggc-none.c (ggc_p): Remove.
3876 * ggc.h (ggc_p): Don't declare.
3877 * integrate.c (save_for_inline): Don't mess with obstacks.
3878 (integrate_decl_tree): Likewise.
3879 (output_inline_function): Likewise.
3881 (init_EXPR_INSN_LIST_cache): Likewise.
3882 * loop.c (temp_obstack):
3884 (rtl_obstack): Likewise.
3885 (init_loop): Don't mess with obstacks.
3886 (reg_address_cost): Free BIVs and GIVs.
3887 (check_insns_for_bivs): Use xmalloc, not oballoc.
3888 (find_mem_givs): Likewise.
3889 (record_biv): Likewise.
3890 (general_induction_var): Likewise.
3891 (product_cheap_p): Likewse.
3892 * optabs.c (init_one_libfunc): Remove
3894 * print-tree.c (debug_tree): Don't use
3896 (print_node): Likewise.
3897 * profile.c (output_func_start_profiler):
3898 Remove call to temporary_allocation.
3900 (eliminate_regs_in_insn): Don't mess with obstacks.
3902 (mark_target_live_regs): Use xmalloc.
3903 (free_resource_info): Free the memory.
3904 * rtl.c (rtl_obstack):
3906 (rtvec_alloc): Don't mess with obstacks.
3907 (rtx_alloc): Likewise.
3909 (copy_rtx): Don't handle `b' cases.
3910 (read_rtx): Use a local rtl_obstack.
3911 * rtl.h (oballoc): Remove.
3913 (pop_obstacks): Likewise.
3914 (push_obstacks): Likewise.
3915 (allocate_bb_life_data): Likewise.
3916 (allocate_reg_life_data): Likewise.
3917 (rtx_free): Likewise.
3918 * sdbout.c (sdbout_queue_anonymous_type):
3919 Use tree_cons, not saveable_tree_cons.
3921 (cselib_init): Don't mess with obstacks.
3923 (mark_block_nesting): Mark the label_chain.
3924 (epxand_label): Use ggc_alloc, not oballoc.
3925 (clear_last_expr): Don't mess with obstacks.
3926 (expand_decl_cleanup): Likewise.
3927 (expand_dcc_cleanup): Likewise.
3928 (expand_dhc_cleanup): Likewise.
3929 (expand_anon_union_decl): Likewise.
3930 (add_case_node): Use xmalloc, not oballoc.
3931 (free_case_nodes): New function.
3932 (expand_end_case): Call it.
3933 * stor-layout.c (layout_type): Don't
3935 (layout_type): Likewise.
3936 * toplev.c (wrapup_global_declarations):
3938 (compile_file): Remove ggc_p conditionals.
3939 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
3940 (decode_f_option): Remove ggc_p conditionals.
3942 (function_maybepermanent_obstack): Remove.
3943 (maybepermanent_obstack): Likewise.
3944 (function_obstack): Likewise.
3945 (tmeporary_obstack): Likewise.
3946 (momentary_obstack): Likewise.
3947 (temp_decl_obstack): Likewise.
3948 (saveable_obstack): Likewise.
3949 (rtl_obstack): Likewise.
3950 (current_obstack): Likewise.
3951 (expression_obstack): Likewise.
3952 (struct obstack_stack): Likewise.
3953 (obstack_stack): Likewise.
3954 (obstack_stack_obstack): Likewise.
3955 (maybepermanent_firstobj): Likewise.
3956 (temporary_firstobj): Likewise.
3957 (momentary_firstobj): Likewise.
3958 (temp_decl_firstobj): Likewise.
3959 (momentary_function_firstobj): Likewise.
3960 (all_types_permanent): Likewise.
3961 (struct momentary_level): Likewise.
3962 (momentary_stack): Likewise.
3963 (init_obstacks): Remove initialization of removed obstacks.
3964 (save_tree_status): Remove.
3965 (restore_tree_status): Likewise.
3966 (temporary_allocation): Liekwise.
3967 (end_temporary_allocation): Liekwise.
3968 (resume_temporary_allocation): Likewise.
3969 (saveable_allocation): Likewise.
3970 (push_obstacks): Likewise.
3971 (push_obstacks_nochange): Likewise.
3972 (pop_obstacks): Likewise.
3973 (allocation_temporary_p): Likewise.
3974 (permanent_allocation): Likewise.
3975 (preserve_data): Likewise.
3976 (preserve_initializer): Likewise.
3977 (rtl_in_current_obstack): Likewise.
3978 (rtl_in_saveable_obstack): Likewise.
3979 (oballoc): Likewise.
3981 (savealloc): Likewise.
3982 (expralloc): Likewise.
3983 (print_obstack_name): Likewise.
3984 (debug_obstack): Likewise.
3985 (object_permanent_p): Likewise.
3986 (push_momentary): Likewise.
3987 (perserve_momentary): Likewise.
3988 (clear_momentary): Likewise.
3989 (pop_momentary): Likewise.
3990 (pop_momentary_nofree): Likewise.
3991 (suspend_momentary): Likewise.
3992 (resume_momentary): Likewise.
3993 (make_node): Don't set TREE_PERMANENT.
3994 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
3995 Don't set TREE_PERMANENT.
3996 (get_identifier): Remove ggc_p conditionals.
3997 (build_string): Likewise.
3998 (make_tree_vec): Likewise.
3999 (build_decl_list): Remove.
4000 (build_expr_list): Likewise.
4001 (tree_cons): Remove ggc_p conditionals.
4002 (decl_tree_cons): Remove.
4003 (expr_tree_cons): Likewise.
4004 (perm_tree_cons): Likewise.
4005 (temp_tree_cons): Likewise.
4006 (saveable_tree_cons): Likewise.
4007 (build1): Remove ggc_p conditionals.
4008 (build_parse_node): Likewise.
4009 (build_type_attribute_variant): Don't mess with obstacks.
4010 (build_type_copy): Likewise.
4011 (type_hash_canon): Likewise.
4012 (build_pointer_type): Likewise.
4013 (build_reference_type): Likewise.
4014 (build_index_type): Likewise.
4015 (build_range_type): Likewise.
4016 (dump_tree_statistics): Don't print obstack information.
4018 (struct tree_common): Remove permanent_flag.
4019 (TREE_PERMANENT): Remove.
4020 (TREE_SET_PERMANENT): Likewise.
4021 (TYPE_OBSTACK): Likewise.
4022 (struct tree_type): Remove obstack.
4024 (savealloc): Likewise.
4025 (build_decl_list): Likewise.
4026 (build_expr_list): Likewise.
4027 (perm_tree_cons): Likewise.
4028 (temp_tree_cons): Likewise.
4029 (saveable_tree_cons): Likewise.
4030 (decl_tree_cons): Likewise.
4031 (expr_tree_cons): Likewise.
4032 (suspend_momentary): Likewise.
4033 (allocation_temporary_p): Likewise.
4034 (resume_momentary): Likewise.
4035 (push_obstacks_nochange): Likewise.
4036 (permanent_allocation): Likewise.
4037 (push_momentary): Likewise.
4038 (clear_momentary): Likewise.
4039 (pop_momentary): Likewise.
4040 (end_temporary_allocation): Likewise.
4041 (pop_obstacks): Likewise.
4042 (push_obstacks): Likewise.
4043 (pop_momentary_nofree): LIkewise.
4044 (preserve_momentary): Likewise.
4045 (saveable_allocation): Likewise.
4046 (temporary_allocation): Likewise.
4047 (resume_temporary_allocation): Likewise.
4048 (perserve_initializer): Likewise.
4049 (debug_obstack): Likewise.
4050 (rtl_in_current_obstack): Likewise.
4051 (rtl_in_saveable_obstack): Likewise.
4053 * varasm.c (current_obstack): Remove.
4054 (saveable_obstack): Remove.
4055 (rtl_obstack): Remove.
4056 (immed_double_const): Don't mess with obstacks.
4057 (immed_real_cons): Likewise.
4058 (output_constant_def): Likewise.
4059 (init_varasm_status): Use xcalloc.
4060 (mark_pool_constant): Mark the pool constant itself.
4061 (free_varasm_status): Free memory.
4062 (decode_rtx_const): Call bzero directly, rather than expanding it
4064 (record_rtx_const): Don't mess with obstacks.
4065 (force_const_mem): Likewise.
4066 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
4068 (aof_pic_entry): Likewise.
4069 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
4070 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
4071 * config/pa/pa.c (saveable_obstack): Remove.
4072 (rtl_obstack): Likewise.
4073 (current_obstack): Likewise.
4074 (output_call): Don't mess with obstacks.
4075 (hppa_encode_label): Remove ggc_p conditionals.
4076 * config/romp/romp.c (get_symref): Don't mess with obstacks.
4077 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
4078 (rs6000_encode_section_info): Likewise.
4079 * config/sh/sh.c (get_fpscr_rtx): Likewise.
4081 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
4083 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
4084 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
4085 (addsi3_carry): Canonicalize.
4086 (addqi_5): Remove '*'.
4087 (sbb pattern): Canonicalize.
4089 * i386.md (cmp to inc/add peep2): New.
4091 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
4093 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
4096 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4098 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
4099 * README.TRAD, TESTS.FLUNK: Remove.
4101 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4103 * c-common.c (decl_attributes): Don't allow strftime formats with
4104 first_arg_num nonzero.
4105 (check_format_info): Set wanted_type and wanted_type_name to zero
4106 before they are possibly assigned and used.
4108 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4110 * c-common.c (scanf_flag_specs): Add flags ' and I.
4111 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
4112 or the ^ and # flags together.
4113 (scan_char_table): Handle the ' and I flags.
4114 (format_types): Add ' and I flags for scanf.
4116 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4118 * c-common.c (print_char_table): Use the unpromoted type for
4119 lengths "h" and "hh" with conversions dioxXu.
4120 (check_format_types): Apply the default argument promotions where
4121 the wanted type is not a pointer target.
4123 2000-10-11 Michael Meeks <mmeeks@gnu.org>
4124 Joseph S. Myers <jsm28@cam.ac.uk>
4126 * c-typeck.c (check_modify_expr): New function.
4127 (build_modify_expr): Call it if warn_sequence_point.
4128 * c-decl.c (warn_sequence_point): New variable.
4129 (c_decode_option): Handle -Wsequence-point and
4130 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
4131 * c-tree.h (warn_sequence_point): Declare.
4132 * invoke.texi (-Wsequence-point): Document.
4133 * toplev.c (documented_lang_options): Add -Wsequence-point and
4134 -Wno-sequence-point.
4135 Original work by Michael Meeks, 16 Jun 1998.
4137 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4139 * tree.c (get_narrower): Don't look at precision of field if
4142 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
4144 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
4145 declaration for data with "progmem" attribute.
4147 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
4149 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
4150 Correct insn length if shift count is a memory operand.
4151 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
4152 (*iorhi3_clobber): Change lo8 to hi8.
4153 (zero_extendhisi2): Change %B0 to %A1.
4154 (ashlhi3, ashrhi3): Correct insn length.
4155 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
4156 from "clobber" to "set_n" in some alternatives.
4158 2000-10-10 Jakub Jelinek <jakub@redhat.com>
4160 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
4161 remove its insn_chain structure as well.
4163 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4165 * dbxout.c (dbxout_source_line): Remove extra tab.
4167 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
4169 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
4171 2000-10-09 Richard Henderson <rth@cygnus.com>
4173 * Makefile.in (LANG_LIB2FUNCS): Remove.
4174 (LIB2FUNCS): Remove _pure.
4175 (LIB2ADD): Remove LANG_LIB2FUNCS.
4176 (stage_a): Don't set LANG_LIB2FUNCS.
4177 * libgcc2.c (__terminate): Mark noreturn.
4178 (__pure_virtual): Remove.
4179 * mklibgcc.in: Remove LIB2ADD .txt processing.
4181 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4183 * arm.md (push_multi): Revert unintended change.
4185 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4187 * arm.c: Miscellaneous white space and comment clean-ups. No
4191 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4193 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
4194 STRING_CST by calling combine_strings.
4196 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4198 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
4199 (thumb_output_move_mem_multiple): Support new insn format.
4200 * arm.md (movmem12b): Use SSA compatible format.
4201 (movmem8b): Likewise.
4203 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4205 * arm.md (predicable): New attribute, default to "no".
4206 (all patterns): Mark as predicable if appropriate.
4207 (conditional execution splits): Split using predication format.
4208 (define_cond_exec): Define.
4209 * arm.c (arm_print_operand): handle insn predicate.
4211 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4213 * README.NS32K: Remove file.
4215 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4217 * README-bugs: Remove file.
4219 2000-10-08 Philipp Thomas <pthomas@suse.de>
4220 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
4222 * configure: Rebuilt.
4224 2000-10-08 Philipp Thomas <pthomas@suse.de>
4225 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
4226 disable catalog building if no suitable program was found.
4227 Move warning message from here
4228 (AM_GNU_GETTEXT): To here.
4229 * configure: Rebuilt.
4231 2000-10-08 Philipp Thomas <pthomas@suse.de>
4232 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
4233 different cache variables.
4234 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
4235 uses different cache variables.
4236 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
4237 * configure: Regenerated.
4239 2000-10-08 Richard Henderson <rth@cygnus.com>
4241 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
4242 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
4243 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
4246 * config/t-linux (SHLIB_EXT): New.
4247 (SHLIB_LINK): Use the entire build command, with substitutions.
4248 (SHLIB_LIBS): Remove.
4249 * config/alpha/t-osf4: Likewise.
4250 * config/mips/t-iris6: Likewise.
4251 * config/sparc/t-sol2: Likewise, but move shlib stuff...
4252 * config/sparc/t-slibgcc-sld: ...here.
4253 * config/sparc/t-slibgcc: New file.
4255 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
4257 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
4258 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
4260 (intmax_type_node, uintmax_type_node): Define.
4261 * c-common.c (decl_attributes): If pedantic, warn if `mode'
4262 attributes create a type wider than intmax_t.
4263 (T_IM, T_UIM): Define properly.
4264 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
4266 (init_decl_processing): Initialize intmax_type_node and
4268 * c-lex.c (lex_number): When pedantic and warning for integer
4269 constants that are too large, in C99 mode warn for those that have
4270 a type wider than long long.
4272 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
4274 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
4275 FMT_FLAG_FANCY_PERCENT_OK): Define.
4276 (format_char_info): Add flag "4" to comment.
4277 (format_flag_spec, format_flag_pair): New structures.
4278 (format_kind_info): Add additional fields to control format
4280 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
4281 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
4283 (time_char_table): Use "4" flag to handle %Ey.
4284 (format_types): Add entries for new fields.
4285 (get_flag_spec): New function.
4286 (check_format_info): Increase size of flag_chars[] to 256.
4287 Control format checking using the new fields of a format_kind_info
4288 and the new tables; remove all conditionals on printf_format_type,
4289 scanf_format_type or strftime_format_type. Handle all details of
4290 bad combinations of flags (including width, precision and strftime
4291 modifiers) through data rather than ad hoc code. Handle all
4292 details of standard versions in which flags appeared through
4293 data. Use the "4" flag.
4295 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
4297 * config/h8300/h8300.md: Remove the memory alternative and correct
4298 the insn lengths in the templates for sign extention and zero
4301 2000-10-07 Richard Henderson <rth@cygnus.com>
4303 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
4304 * flow.c (make_edges): Revert last change.
4306 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
4308 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
4310 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
4312 * config/alpha/elf.h: Standardize the formatting.
4314 2000-10-06 David O'Brien <obrien@FreeBSD.org>
4316 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
4319 2000-10-06 Richard Henderson <rth@cygnus.com>
4321 * function.c (diddle_return_value): Examine
4322 current_function_return_rtx instead of the DECL_RESULT.
4323 (expand_function_end): Handle reloading DECL_RESULT from memory
4324 into a hard register. Query promote_mode for sign of mismatched
4327 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
4329 * haifa-sched.c (schedule_insns): Fix typo in freeing
4330 forward_dependency_cache.
4332 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
4334 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
4335 `TARGET_SH2' as a condition.
4337 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
4339 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
4340 forward_dependency_cache): New variables.
4341 (add_dependence, remove_dependence): Use anti_dependency_cache and
4342 output_dependency_cache.
4343 (compute_block_forward_dependences): Use forward_dependency_cache.
4344 (schedule_insns): Allocate and free memory for anti/output/forward
4345 dependencies caches.
4347 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
4349 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
4350 `! TARGET_SH1'. Reindent.
4352 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4354 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
4355 Move functions from here ...
4357 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
4359 (c_expand_builtin): New function.
4360 (init_function_format_info): Don't set `check_function_format_ptr'.
4361 (c_common_nodes_and_builtins): Set built_in_class type for
4362 printf/__builtin_printf to BUILT_IN_FRONTEND.
4363 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
4365 * c-common.h (build_function_call): Declare.
4367 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
4368 to `lang_expand_expr' rather than `expand_builtin'.
4370 * tree.c (check_function_format_ptr): Delete.
4372 * tree.h (check_function_format_ptr): Likewise.
4374 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
4376 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
4377 DW_OP_bregx when cfa->reg > 31.
4379 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
4382 2000-10-05 Richard Henderson <rth@cygnus.com>
4384 * c-decl.c (warn_missing_noreturn): Remove.
4385 (c_expand_body): Don't set or check can_reach_end.
4386 * c-tree.h (warn_missing_noreturn): Move ...
4387 * flags.h: ... here.
4388 (can_reach_end): Remove.
4389 * flow.c (check_function_return_warnings): New.
4390 (make_edges): No edge to exit for noreturn sibcalls.
4391 * function.c (expand_function_end): Save the return value
4392 clobber instruction.
4393 (mark_function_status): Mark it.
4394 * function.h (struct function): Add x_clobber_return_insn.
4395 * jump.c (can_reach_end): Remove.
4396 (calculate_can_reach_end): Remove.
4397 (jump_optimize_1): Don't call it.
4398 * output.h (check_function_return_warnings): Declare.
4399 * toplev.c (warn_missing_noreturn): Move from c-decl.c
4400 (rest_of_compilation): Call check_function_return_warnings.
4402 2000-10-05 Richard Henderson <rth@cygnus.com>
4404 * Makefile.in (NM_FOR_TARGET): New.
4405 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
4406 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
4407 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
4408 shared library build on that and EXTRA_MULTILIB_PARTS.
4409 * mkmap-flat.awk: New file.
4410 * mkmap-symver.awk: New file.
4411 * libgcc-std.ver: New file.
4412 * config/libgcc-glibc.ver: New file.
4413 * config/ia64/libgcc-ia64.ver: New file.
4414 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4415 (SHLIB_LINK): Add --version-script.
4416 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
4417 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4418 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4419 (SHLIB_LINK): Add -M.
4421 2000-10-05 Richard Henderson <rth@cygnus.com>
4423 * Makefile.in (LIB2FUNCS): Add _clz.
4424 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
4425 (__clz_tab): Put in its own unit, non-static.
4426 * libgcc2.h: Always include longlong.h.
4428 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
4429 a zero instead of -1.
4430 (count_trailing_zeros): Likewise.
4432 2000-10-05 Richard Henderson <rth@cygnus.com>
4434 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
4435 when second op1 is const0_rtx. Validate op0 as a register.
4436 * config/alpha/alpha.md (setcc_internal): Don't allow constants
4437 in the first argument of the compare.
4438 (setcc_swapped_internal): Likewise.
4439 (setne_internal): Likewise.
4441 2000-10-05 Geoff Keating <geoffk@cygnus.com>
4443 * tree.c (tree_size): New function split out of copy_node.
4444 (make_node): Remove obstack handling. Use tree_size.
4445 (copy_node): Use tree_size.
4446 * tree.h: Prototype tree_size.
4448 2000-10-05 Richard Henderson <rth@cygnus.com>
4450 * diagnostic.c (output_format): Add missing break.
4452 2000-10-05 Jim Wilson <wilson@cygnus.com>
4454 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
4455 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
4456 sequence insn to INSN, and delete last sequence insn.
4458 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
4460 * gcc.c (main): Include generated configargs.h header
4461 and use arguments in '-v' output.
4463 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4465 * gcc.c: Move data on prefixes forward in file and reorganize.
4466 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
4467 Always define, but make null if no value.
4468 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
4469 and "md_startfile_prefix_1".
4470 (main): Check whether md_exec_prefix and the others are the
4471 null string rather than whether the macro is defined.
4473 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4475 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
4476 from PSImode to SImode.
4478 2000-10-05 Jakub Jelinek <jakub@redhat.com>
4480 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
4481 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
4482 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
4485 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4487 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
4488 negation in proper type.a
4490 2000-10-04 Richard Henderson <rth@cygnus.com>
4492 * configure.in (enable-shared): New.
4493 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
4494 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
4495 * mklibgcc.in: Use them to link shared a libgcc.
4496 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
4497 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
4498 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
4499 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
4501 * configure.in (alpha-osf*): Use t-osf and x-osf.
4502 * config/alpha/t-osf: New file.
4503 * config/alpha/t-osf4: New file.
4504 * config/alpha/x-osf: New file.
4505 * config/alpha/x-alpha: Remove file.
4507 2000-10-04 Will Cohen <wcohen@redhat.com>
4509 * c-typeck.c (process_init_element): Added warning for zero-length
4512 * extend.texi (Zero Length): State that static initializers for
4513 zero-length arrays are not allowed.
4515 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
4517 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
4520 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4522 * config/float-c4x.h: New.
4523 * configure.in (c4x-*): Set float_format to c4x.
4524 * configure: Regenerate.
4526 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4528 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
4529 compilation for solaris versions 2.7 and greater.
4531 2000-10-02 Marc Espie <espie@openbsd.org>
4533 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
4534 instead of redefining from scratch.
4536 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
4538 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
4540 2000-10-01 Mark Mitchell <mark@codesourcery.com>
4542 * config/ns32k/genix.h: Remove.
4543 * config/ns32k/x-genix: Likewise.
4544 * config/ns32k/xm-genix.h: Likewise.
4545 * config/fx80: Remove all filee in directory.
4546 * config/pyr: Likewise.
4547 * config/tahoe: Likewise.
4548 * config/gmicro: Likewise.
4549 * config/spur: Likewise.
4550 * configure.in: Remove configury bits for above targets.
4551 * configure: Regenerated.
4553 * configure.in: Don't configure chill by default.
4554 * configure: Regenerated.
4556 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
4557 (lang_mark_false_label_stack): Remove.
4558 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
4559 <top level> string in GC area.
4560 (mark_splay_tree_node): New function.
4561 (mark_splay_tree): Likewise.
4562 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
4564 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
4565 * ggc-common.c (lang_mark_false_label_stack): Change type.
4566 * ggc.h (ggc_alloc_string): Add comment.
4567 (ggc_strdup): New function.
4569 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
4571 * config/avr/avr.h (BRANCH_COST): Define as 0.
4573 * config/pdp11/pdp11.c: #include "tree.h" added.
4575 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
4577 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
4578 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
4579 with known shift count.
4580 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
4581 New alternative for shift count 2 with no scratch register.
4582 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
4583 "set_n" for shift counts 1 and 2.
4585 2000-09-30 Geoff Keating <geoffk@cygnus.com>
4587 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
4588 the mask value from the individual SET operations.
4589 (return_internal_si): Move the USE after the RETURN.
4590 (return_internal_di): Likewise.
4591 (return_and_restore_fpregs_si): Likewise.
4592 (return_and_restore_fpregs_di): Likewise.
4593 (return_eh_si): Likewise.
4594 (return_eh_di): Likewise.
4595 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
4597 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
4598 Don't generate a PARALLEL around a single operation movsi_to_cr.
4599 Generate the RETURN first in any PARALLELs.
4601 * rtlanal.c (single_set_1): Use fatal_insn to display the
4602 invalid insn. Check for more cases when a USE or CLOBBER occurs
4604 * Makefile.in: Update dependencies for rtlanal.o.
4606 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
4608 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
4610 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
4612 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
4613 Consistently use @email for formatting email addresses.
4615 2000-09-29 Richard Henderson <rth@cygnus.com>
4617 * cse.c (notreg_cost): New argument outer.
4618 (COST): Pass in SET to notreg_cost
4620 (fold_rtx): Use COST_IN. Prefer constants when costs
4623 2000-09-29 David Edelsohn <edelsohn@gnu.org>
4625 * fixinc/inclhack.def (broken_cabs): Generalize regex.
4626 * fixinc/fixincl.x: Regenerate.
4628 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4630 * loop.c (check_final_value): A GIV is not replaceable if used
4633 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
4635 * version.c: Bump to gcc-2.97.
4637 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
4639 * final.c (final_scan_insn): Remove extra extract_insn call;
4640 Use caching for constrain_operands.
4641 (cleanup_subreg_operands): Use caching for extract_insn.
4642 * recog.c (constrain_operands_cached): New.
4643 * recog.h (constrain_operands_cached): Declare.
4644 * i386.c (ix86_attr_length_immediate_default,
4645 ix86_attr_length_address_default, ix86_agi_dependant): Cache
4648 * recog.c (asm_noperands): Tweak.
4649 (extract_insn): Do not call asm_noperads for non-asm instructions.
4651 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4653 * recog.c (recog_memoized): Rename to recog_memoized_1.
4654 * recog.h (recog_memoized): Rename to recog_memoized_1.
4655 (recog_memoized): New macro.
4656 * rtl.h (single_set): Rename to single_set_1
4657 (single_set): New macro.
4658 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
4661 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
4662 Do not use match_dup of input operands at outputs.
4663 Use register_operand for memory expression.
4664 (rep_movsi): Put use last, canonicalize.
4665 Use register_operand for memory expression.
4666 (rep_movqi): Put use last.
4667 Use register_operand for memory expression.
4668 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
4669 of input operands at outputs. Use register_operand for memory
4671 (rep_stossi): Put use last; canonicalize; fix match_dup in
4672 the address expression
4673 (rep_stosqi): Likewise.
4674 (memcmp expander): Update calls.
4675 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
4678 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
4680 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
4682 2000-09-28 David O'Brien <obrien@FreeBSD.org>
4684 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
4685 Contains the old contents of config/i386/freebsd.h
4686 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
4687 Contains the old contents of config/i386/freebsd-elf.h
4688 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
4689 config/i386/freebsd.h.
4690 * configure.in: Adjust for above changes.
4691 * po/POTFILES.in: Likewise.
4692 * po/en_GB.po: Likewise.
4693 * po/gcc.pot: Likewise.
4694 * configure: Rebuilt.
4696 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4698 * doloop.c (doloop_modify): Prevent delete_insn() from
4699 deleting too much. Prefer loop->top over loop->start as
4700 target for the new JUMP insn.
4701 (doloop_valid_p): Ignore loop with exit_count != 0.
4703 2000-09-28 Philipp Thomas <pthomas@suse.de>
4705 * invoke.texi (i386 Options): Add athlon to table of possible
4708 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
4710 * diagnostic.h (output_clear_message_text): New function.
4711 (output_message_text): New macro.
4713 * diagnostic.c (clear_text_info): Rename to
4714 output_clear_message_text.
4715 (output_clear): Adjust.
4716 (output_finish): Rename to output_finalize_message. Tweek.
4717 (output_to_stream): Adjust.
4719 2000-09-28 Neil Booth <neilb@earthling.net>
4721 * cpperror.c (_cpp_begin_message): Do the test for suppression
4722 of warnings and pedantic warnings before the "is a warning an
4724 * cppinit.c (cpp_handle_option): Remove surplus \n.
4725 * cpplex.c (ON_REST_ARG): Delete.
4726 (skip_block_comment): Initialise prevc.
4727 (parse_args): Improve error messages.
4728 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
4730 * cpplib.c (cpp_push_buffer): Fix grammar in message.
4731 * cppmain.c (main): Set callbacks for #ident and #pragma
4732 only if no_output option is false.
4733 (do_pragma_implementation): Only call the #pragma handler
4734 if it is set in the cpp_reader structure.
4736 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
4738 * integrate.c (copy_insn_list): if an ignored return value
4739 is being clobbered, skip cloning that into the inline copy.
4741 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
4743 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
4744 use @uref for formatting URLs.
4746 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
4748 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
4751 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
4753 * gcc.c (cpp_options): Add spec for -ftabstop=.
4754 (invoke_as): New spec that handles invoking as.
4755 Update specs to handle -save-temps and -traditional.
4756 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
4758 * cp/lang-specs.h, objc/lang-specs.h: Update to use
4759 invoke_as, and handle -save-temps and -traditional (if
4762 2000-09-26 Jakub Jelinek <jakub@redhat.com>
4764 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
4766 (function_arg_slotno): Accept TImode/CTImode.
4767 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
4770 2000-09-26 Michael Hayes <mhayes@cygnus.com>
4772 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
4775 2000-09-25 Jim Wilson <wilson@cygnus.com>
4777 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
4778 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
4779 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
4780 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
4782 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
4784 * cpplex.c (parse_args): Don't set VOID_REST flag.
4785 (CONTEXT_VARARGS): New flag.
4786 (maybe_paste_with_next): Set context earlier in loop. Use
4787 it. Do varargs test with CONTEXT_VARARGS flag.
4788 (push_arg_context): Set CONTEXT_VARARGS flag if we're
4789 pushing an argument context for a varargs argument.
4790 * cpplib.h (VOID_REST): Delete.
4791 * gcc.dg/cpp/vararg1.c: Add test case.
4793 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
4795 * flags.h: Declare warning flag warn_system_headers.
4796 * toplev.c: Define it.
4797 (W_options): Add option -Wsystem-headers.
4798 * diagnostic.c (count_error): Test warn_system_headers.
4799 * invoke.texi: Add description for -Wsystem-headers.
4800 * cpplib.h (cpp_options): New member warn_system_headers.
4801 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
4802 CPP_IN_SYSTEM_HEADER.
4803 * cpplib.c (do_import, do_pragma_once): Likewise.
4804 * cpperror.c (_cpp_begin_message): Test warn_system_headers
4805 and CPP_IN_SYSTEM_HEADER.
4806 * cppinit.c (handle_option): Recognize -Wsystem_headers.
4807 (print_help): Describe -Wsystem_headers.
4808 * cpplex.c (lex_line): Reorganize condition so that warnings
4809 about C++ comments in system headers can be enabled. Remove
4810 label do_line_comment.
4812 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
4814 * cpplex.c (save_comment): Only store the initial '/'
4816 (lex_token): Combine handling of the two comment types.
4817 Pass everything but the initial '/' to save_comment.
4819 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
4821 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
4822 _cpp_can_paste): New library-internal prototypes.
4823 * cpplex.c (dump_param_spelling, output_line_command,
4824 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
4825 cpp_printf, cpp_output_list): Move to cppoutput.c.
4826 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
4827 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
4829 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
4830 dump_param_spelling, output_line_command, cpp_scan_buffer,
4831 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
4833 * Makefile.in: Add cppoutput.c.
4834 * po/POTFILES.in: Add cppoutput.c.
4836 2000-09-25 Richard Henderson <rth@cygnus.com>
4838 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
4839 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
4840 split until after reload.
4841 (rotlsi3, rotldi3): New.
4843 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
4845 * diagnostic.c (output_last_position): Define.
4846 (set_real_maximum_length): Tweek.
4847 * diagnostic.h (output_last_position): Declare.
4849 2000-09-25 Kazu Hirata <kazu@hxi.com>
4851 * config/i386/i386.c: Fix formatting.
4853 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
4855 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
4856 UNITS_PER_WORD is small.
4858 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
4860 * c-common.c (format_char_info): Add flags2; update comments.
4861 (print_char_table, scan_char_table, time_char_table): Split some
4862 flags out into flags2.
4863 (check_format_info): Use flags2 for those flags, for identifying
4864 the initial character of a scanf scanset, and for identifying
4865 printf formats where the '0' flag is ignored with precision.
4867 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
4869 Changes below marked "here" add TABs on either or both sides,
4870 covering start of line, up to any operand for all noted .*ASM.*_OP
4871 definitions. All callers changed.
4872 * tm.texi: Make documented *_ASM.*_OP:s include spacing
4873 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
4874 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4875 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
4876 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
4877 Fix typos in description for LONG_LONG_TYPE_SIZE and
4878 FINI_SECTION_ASM_OP.
4879 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
4880 why these defaults don't have leading spacing.
4881 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
4882 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4883 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
4884 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
4885 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
4886 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
4887 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
4888 * varasm.c (ASM_STABS_OP): Here.
4889 * xcoffout.h (ASM_STABS_OP): Here.
4890 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4891 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4892 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
4893 STRING_ASM_OP): Here.
4894 * config/freebsd.h (IDENT_ASM_OP): Here.
4895 * config/linux-aout.h (SET_ASM_OP): Here.
4896 * config/linux.h (SET_ASM_OP): Here.
4897 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4899 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4900 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
4901 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4902 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4904 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4905 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4906 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
4907 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4908 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
4909 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4910 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
4911 * config/a29k/udi.h (INT_ASM_OP): Here.
4912 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
4913 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4915 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
4916 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4917 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4918 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
4919 ASM_STABD_OP): Here.
4920 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
4921 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
4922 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4923 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
4924 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
4925 SIZE_ASM_OP, STRING_ASM_OP): Here.
4926 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
4927 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
4928 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
4929 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
4930 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
4931 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
4933 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4934 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
4935 * config/arm/coff.h (INT_ASM_OP): Here.
4936 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4937 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
4938 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
4939 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
4940 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4941 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4942 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
4943 STRING_ASM_OP): Here. Update documentation copy in comments.
4944 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
4945 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
4946 DATA_SECTION_ASM_OP): Here.
4947 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
4949 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
4950 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4951 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4952 BSS_SECTION_ASM_OP): Here.
4953 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4954 BSS_SECTION_ASM_OP): Here.
4955 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4957 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
4958 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4959 * config/h8300/h8300.h (ASM_WORD_OP): Here.
4960 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4961 BSS_SECTION_ASM_OP): Here.
4962 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
4963 * config/i386/bsd.h (ASM_BYTE_OP): Here.
4964 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
4965 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
4966 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
4968 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
4969 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
4971 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
4972 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4973 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
4974 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4976 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
4977 * config/i386/netbsd.h (INT_ASM_OP): Here.
4978 * config/i386/openbsd.h (INT_ASM_OP): Here.
4979 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
4980 IDENT_ASM_OP): Here.
4981 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
4982 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
4983 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
4984 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
4985 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
4986 SHARED_BSS_SECTION_ASM_OP): Here.
4987 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
4988 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4989 DATA_SECTION_ASM_OP): Here.
4990 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4991 CONST_SECTION_ASM_OP): Here.
4992 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
4993 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4994 BSS_SECTION_ASM_OP): Here.
4995 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
4996 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
4997 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
4998 BSS_ASM_OP): Here, but use trailing spaces.
4999 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
5000 DATA_SECTION_ASM_OP): Here.
5001 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
5003 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
5004 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
5005 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5006 TDESC_SECTION_ASM_OP): Here.
5007 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
5008 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5009 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5011 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5012 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
5013 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5014 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
5015 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
5016 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
5017 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5018 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
5019 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
5020 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
5021 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
5022 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
5024 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
5025 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5026 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
5027 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
5028 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
5029 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
5030 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
5031 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5032 GLOBAL_ASM_OP): Here.
5033 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
5034 BSS_SECTION_ASM_OP): Here.
5035 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
5036 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5037 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
5038 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
5040 * config/m68k/newsgas.h (SET_ASM_OP): Here.
5041 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
5042 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
5043 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
5044 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
5045 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
5046 but use trailing spaces.
5047 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
5048 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
5049 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
5051 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5052 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
5053 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5054 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
5055 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5056 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
5057 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
5058 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
5059 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
5060 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
5061 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5062 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
5064 * config/m88k/openbsd.h (SET_ASM_OP): Here.
5065 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5066 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
5067 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
5068 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
5069 DTORS_SECTION_ASM_OP): Here.
5070 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
5071 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5072 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
5073 BSS_SECTION_ASM_OP): Here.
5074 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
5075 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
5076 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
5077 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
5078 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
5079 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
5080 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
5081 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
5083 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
5085 * config/mips/osfrose.h (SET_ASM_OP): Here.
5086 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
5087 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
5088 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
5089 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5091 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
5092 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
5093 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
5094 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
5095 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
5096 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5098 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5100 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
5101 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
5102 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
5104 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
5105 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
5106 * config/sparc/linux.h (COMMON_ASM_OP): Here.
5107 * config/sparc/linux64.h (COMMON_ASM_OP,
5108 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
5109 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
5110 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5111 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
5112 * config/sparc/pbd.h (ASM_INT_OP): Here.
5113 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
5114 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
5115 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
5116 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
5117 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
5118 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
5119 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
5120 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
5121 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
5122 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5123 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5124 EH_FRAME_SECTION_ASM_OP): Here.
5125 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
5126 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5128 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5130 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
5131 TCOMMON_ASM_OP): Here.
5132 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5134 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5137 2000-09-25 Richard Henderson <rth@cygnus.com>
5139 * expmed.c (store_bit_field): Adjust last change to not consider
5140 any word-sized field naturally aligned.
5142 2000-09-24 Richard Henderson <rth@cygnus.com>
5144 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
5145 TFmode unordered compares properly. Revalidate integer compare
5147 (alpha_emit_setcc): New.
5148 (alpha_emit_conditional_move): Revalidate integer compare operands.
5149 * config/alpha/alpha-protos.h: Update.
5150 * config/alpha/alpha.md (cmpdi): Allow general operands.
5151 (sne): Use alpha_emit_setcc.
5152 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
5153 (sunordered, sordered): New.
5155 2000-09-24 Richard Henderson <rth@cygnus.com>
5157 * config/ia64/ia64-protos.h: Update.
5158 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
5159 (ia64_expand_call): New.
5160 (ia64_expand_prologue): Emit an alloc if we need extra input
5162 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
5163 instruction if true.
5164 (struct reg_flags): Add is_sibcall.
5165 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
5166 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
5167 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
5168 * config/ia64/ia64.h (PREDICATE_CODES): Update.
5169 * config/ia64/ia64.md (call): Use ia64_expand_call.
5170 (call_value): Likewise.
5171 (sibcall, sibcall_value): New.
5172 (call patterns): Remove extra expanders; tidy.
5173 (sibcall_epilogue): New.
5174 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
5176 2000-09-24 Richard Henderson <rth@cygnus.com>
5178 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
5180 * sibcall.c (skip_pic_restore): New.
5181 (identify_call_return_value): Use it.
5183 2000-09-24 Mark Mitchell <mark@codesourcery.com>
5185 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
5186 functions. Generalize to handle both C and C++.
5187 * Makefile.in (c-tree.info): New target.
5188 (info): Add c-tree.info.
5190 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5192 * expr.c (store_field): If BITSIZE is negative, use size of type.
5193 (expand_expr, case COMPONENT_EXPR): Likewise.
5195 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
5197 * cpplex.c: Update TODO comment.
5198 * cpplib.c (do_error, do_warning): Merge common code of
5199 do_error and do_warning into do_diagnostic. Use it.
5200 (do_diagnostic): New function.
5201 * cpplib.h: Fix comment typo.
5203 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
5205 * c-common.c (check_format_info): Warn for a wide character string
5206 used as a non-wide format argument.
5208 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
5210 * builtins.def (BUILT_IN_LLABS): Add.
5211 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
5212 * c-common.c (c_common_nodes_builtins): Create builtin functions
5213 __builtin_llabs, and plain llabs unless no_nonansi_builtins
5214 outside of C99 mode.
5215 (expand_tree_builtin): Handle BUILT_IN_LLABS.
5217 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
5219 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
5220 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
5221 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
5222 _cpp_free_toklist): No need to worry about extra dummy token
5223 at the start of token lists any more.
5224 (trigraph_ok): Only warn outside comments.
5225 (skip_block_comment): Set and clear lexing_comment.
5226 (skip_line_comment): Take a cpp_reader not cpp_buffer.
5227 Set and clear lexing_comment.
5228 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
5229 (check_long_token): Delete.
5230 (lex_percent, lex_dot): New subroutines of lex_token to
5231 handle lexing of '.' and '%' without lookback.
5232 (lex_token): Use lex_dot and lex_percent.
5233 (lex_line): Don't check for LIST_OFFSET.
5234 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
5235 * cpplib.c (_cpp_parse_assertion): Similarly.
5236 (cpp_push_buffer): Initialize extra_char.
5237 * cpplib.h (LIST_OFFSET): Delete.
5238 (struct cpp_buffer): New member extra_char.
5239 (struct lexer_state): New members lexing_comment and seen_dot.
5241 2000-09-23 Jason Merrill <jason@redhat.com>
5243 * config/rs6000/x-aix41 (CLIB): Define here.
5244 * config/rs6000/t-aix43: Not here.
5245 * config/rs6000/t-aix41: Or here. Remove.
5246 * configure.in: Don't use it.
5248 2000-09-22 Jason Merrill <jason@redhat.com>
5250 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
5251 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
5252 * config.in: Regenerate.
5254 * configure.in: Fix checks for assembler features when using a
5255 one-tree assembler that has not yet been built.
5256 Fix --disable-threads.
5258 2000-09-19 Geoff Keating <geoffk@cygnus.com>
5260 * stmt.c (expand_asm_operands): Allow # in constraints.
5262 2000-09-22 Jason Merrill <jason@redhat.com>
5264 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
5266 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
5267 function-local names.
5269 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
5270 Mark Mitchell <mark@codesourcery.com>
5272 * toplev.c (warn_disabled_optimization): Declare new warning flag.
5273 * flags.h (warn_disabled_optimization): Add it here.
5274 * gcse.c (gcse_main): Add warning when disabled.
5275 * invoke.texi: Document -Wdisabled-optimization.
5277 2000-09-21 Jason Merrill <jason@redhat.com>
5279 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
5281 * dwarf2out.c (tree_add_const_value_attribute): New fn.
5282 (gen_variable_die): Call it for non-definitions.
5284 * dwarf2out.c (die_struct): Add die_mark field.
5285 (mark_dies, unmark_dies): New fns.
5286 (clear_die_sizes): Remove.
5287 (print_die): Check die_symbol rather than die_offset.
5288 (build_abbrev_table, output_pubnames, output_aranges): Check
5289 die_mark rather than die_offset.
5290 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
5293 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
5295 * cppfiles.c (lookup_include_file): Rename to open_file.
5296 Always create a splay tree value, even on syscall failures.
5297 Negative entries indicated by fd == -2.
5298 Re-open files closed in the meantime.
5299 (_cpp_fake_include): Create a negative splay tree entry.
5300 (find_include_file, cpp_read_file): Update for function name
5302 * gcc.gd/cpp/mi4.c: Testcase.
5304 2000-09-21 Nick Clifton <nickc@redhat.com>
5306 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
5307 ARM and THUMB modes.
5309 * config/mcore/mcore.c: Fix compile time warnings.
5310 * config/mcore/mcore-protos.h: Fix compile time warnings.
5312 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5314 * configure.in: Correct test of gcc_cv_glibc.
5315 * configure: Rebuilt.
5316 * config.in: Rebuilt.
5318 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5320 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
5321 (expand_builtin): Handle BUILT_IN_FWRITE.
5323 * builtins.def (BUILT_IN_FWRITE): New entry.
5325 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
5327 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5329 * gcc.c (modify_target): New variable and struct.
5330 (process_command): Handle MODIFY_TARGET_NAME.
5331 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
5332 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
5334 * c-decl.c (finish_decl): Add else's to avoid referencing
5335 TYPE_DOMAIN of an ERROR_MARK.
5337 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
5339 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
5342 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
5344 * config/avr/avr.md (neghi2): Add alternative for input and output
5345 operands in different registers, as in negsi2.
5346 (*negsi2): Remove '*' from the name. Use "movw" if available.
5348 2000-09-19 Jim Wilson <wilson@cygnus.com>
5350 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
5351 HAVE_GAS_HIDDEN macro.
5353 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
5355 * cpplex.c (lex_line): Drop the EOF token for unknown
5356 directives in assembler.
5358 2000-09-19 David Edelsohn <edelsohn@gnu.org>
5360 * configure.in: Allow enable_threads_flag value of "aix". Define
5361 thread_file as "aix" for AIX 4.3 and above.
5362 * configure: Regenerated.
5364 * gthr-aix.h: New file.
5366 * rs6000/t-aix43: Replace soft-float multilib with pthread.
5367 Remove 403 processor multilib match. Fix rios2 processor multilib
5370 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
5371 to return to appropriate csect.
5373 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5375 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
5377 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
5378 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
5381 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
5384 * c-common.c (init_function_format_info): Handle __builtin_printf.
5385 Set `check_function_format_ptr'.
5386 (c_common_nodes_and_builtins): Set `puts_ftype' and
5387 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
5388 __builtin_printf and printf.
5390 * tree.c, tree.h (check_function_format_ptr): Declare.
5392 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
5394 * cppfiles.c (read_include_file): Take no special action for
5397 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
5399 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
5400 rather than that of branch.
5401 (shorten_branches): Don't increment insn_current_address twice.
5403 Undo most of the Wed Jan 27 23:39:53 1999 patch:
5404 * loop.h (struct induction): Delete members derived, ix and last_use.
5405 (struct loop_ivs): Delete members first_increment_giv and
5407 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
5408 recombine_givs): Delete functions.
5409 (find_and_verify_loops): Don't initialize cont_dominator.
5410 (strength_reduce): Lose code to try to find bivs that can be
5411 expressed as givs of another biv, and to convert biv increments
5413 Lose loop_scan_start variable, always use loop->scan_start.
5414 Don't call recombine_givs. Don't handle derived givs.
5415 (record_giv): Don't initialize derived and last_use fields.
5416 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
5418 * unroll.c (derived_regs): Delete static variable.
5419 (unroll_loop): Don't initialize it.
5420 (copy_loop_body): Lose code to handle derived givs.
5421 (find_splittable_givs): Don't check for givs made from biv
5423 Don't set derived_regs.
5425 Fix misapplied earlier patch:
5426 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
5428 (floatsisf2): Generate floatsisf_ie by default.
5429 (floatsisf_i4): Conditional on TARGET_SH4.
5431 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
5432 predicate for the expanders.
5434 2000-09-19 Richard Henderson <rth@cygnus.com>
5436 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
5437 in addition to pentium and pentiumpro symbols.
5438 (CPP_CPU_DEFAULT_SPEC): Likewise.
5440 * c-typeck.c (c_expand_asm_operands): Restore the output tree
5443 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
5444 if the tree has side effects.
5445 (warn_if_unused_value): Do not warn about void constructs.
5447 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
5449 * unroll.c (copy_loop_body): Update LABEL_NUSES before
5450 calling invert_jump.
5452 2000-09-18 Geoff Keating <geoffk@cygnus.com>
5454 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
5457 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5459 * Makefile.in (c-common.o): Depend on diagnostic.h.
5461 * c-common.c: Include diagnostic.h.
5463 (status_warning): New function.
5464 (check_format_info, maybe_read_dollar_number, check_format_types,
5465 finish_dollar_format_checking, check_function_format): Accept a
5466 `status' parameter. All callers changed.
5468 * c-common.h (check_function_format): Accept a `status' parameter.
5470 * c-typeck.c: Update call to `check_function_format'.
5472 2000-09-18 Richard Henderson <rth@cygnus.com>
5474 * c-decl.c (c_expand_body): Call mark_varargs before
5475 expand_function_start.
5477 2000-09-18 Geoff Keating <geoffk@cygnus.com>
5479 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
5480 * config/rs6000/eabi-ci.asm: Likewise.
5482 2000-09-18 Richard Henderson <rth@cygnus.com>
5484 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
5487 2000-09-18 Jim Wilson <wilson@cygnus.com>
5489 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
5490 before passing it to fold_rtx_mult_add.
5492 * unroll.c (final_giv_value): Pass increment through
5493 extend_value_for_giv before passing it to emit_iv_add_mult.
5495 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
5496 paradoxical subreg, then directly substitute the replacement and
5499 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
5501 * cpp.texi: Update documentation, including some clarifications,
5502 the treatment of various newline combinations, and space between
5503 backslash and newline.
5505 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5507 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
5508 Replace ASM_OUTPUT_LABELREF with assemble_name.
5510 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5512 * sh.c (addsubcosts): CONST is not cheap.
5513 (find_barrier): For Sh1, take alignment after jumps into account.
5515 2000-09-15 Andrew Haley <aph@redhat.com>
5517 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
5518 remove all SETs of SUBREGs of hard registers.
5519 * function.c (purge_hard_subreg_sets): New function.
5520 (purge_single_hard_subreg_set): New function.
5521 * rtl.h: (purge_hard_subreg_sets): New function.
5523 2000-09-18 Richard Henderson <rth@cygnus.com>
5525 * config/ia64/ia64-protos.h: Update.
5526 * config/ia64/ia64.c (signed_inequality_operator): New.
5527 (ia64_expand_compare): New.
5528 (ia64_register_move_cost): Handle PR_REGS moves.
5529 (ia64_secondary_reload_class): Require a GR when moving to a PR.
5530 (struct reg_write_state): Add written_by_and/or.
5531 (struct reg_flags): Add is_and/or.
5532 (rws_update): Set them.
5533 (rws_access_regno): Test them to allow parallel comparisons.
5534 (rtx_needs_barrier): Recognize parallel comparisons.
5535 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
5536 Call recog_memoized; ignore pred_rel_mutex.
5537 (emit_predicate_relation_info): Don't call find_basic_blocks here.
5538 (ia64_reorg): Do it here instead.
5539 * config/ia64/ia64.h: s/CCmode/BImode/g
5540 (MODES_TIEABLE_P): Don't tie BImode.
5541 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
5542 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
5543 (RTX_COSTS): Make multiply 4 insns.
5544 (MEMORY_MOVE_COST): New.
5545 (PREDICATE_CODES): Update.
5546 * config/ia64/ia64.md: s/CCmode/BImode/g
5547 (movcci, movbi): New.
5548 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
5549 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
5550 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
5551 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
5552 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
5553 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
5554 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
5555 (mulsi, muldi): Use xmpy not xma.
5557 (movcc, movcc_internal): Remove.
5558 (branch expanders): Use ia64_expand_compare.
5559 (setcc expanders): Likewise.
5560 (cmov insns): Use move_operand and ia64_move_ok.
5561 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
5562 scheduler from moving it past a use.
5563 * config/ia64/build.hacks: Remove.
5565 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
5567 * cpphash.h (HASHSTEP): Take character rather than pointer
5569 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
5571 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
5573 * cpplex.c (auto_expand_name_space, trigraph_replace,
5574 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
5575 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
5576 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
5577 KNOWN_DIRECTIVE): Delete.
5579 (handle_newline, check_long_token, skip_escaped_newlines,
5580 unterminated): New functions.
5581 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
5583 (parse_identifier): Was parse_name, new implementation.
5584 (skip_line_comment, skip_block_comment, skip_whitespace,
5585 parse_number, parse_string, trigraph_ok, save_comment,
5586 adjust_column, _cpp_get_line): New implementations.
5588 (lex_token): New function. Lexes a token at a time, looking
5589 forwards. Contains most of the guts of the old lex_line.
5590 (lex_line): New implementation, using lex_token to obtain
5592 (cpp_scan_buffer): Use the token's line, not the list's line.
5594 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
5595 New implementations.
5596 (do_assert): Don't bother setting the answer's list's line.
5597 (cpp_push_buffer): Initialise new pfile and read_ahead members
5598 of struct cpp_buffer.
5600 * cpplib.h (cppchar_t): New typedef.
5601 (struct cpp_buffer): read_ahead, pfile and col_adjust are
5603 (struct lexer_state): New structure that determines the state
5604 and behaviour of the lexer.
5605 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
5606 (struct cpp_reader): New member "state". Rename
5607 multiline_string_line and multiline_string_column. Delete
5608 col_adjust, in_lex_line members.
5609 (CPP_BUF_COLUMN): Update.
5611 2000-09-18 Richard Henderson <rth@cygnus.com>
5613 * combine.c (simplify_comparison): Shift a NOT out of a single
5616 * combine.c (if_then_else_cond): Canonicalize BImode true to
5618 * explow.c (trunc_int_for_mode): Likewise.
5620 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
5621 the NOT for De Morgan's rule.
5622 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
5623 of a comparison to the reverse comparison.
5625 * combine.c (try_combine): Allow split to create a single insn.
5627 * machmode.def: Add BImode. Add a column for bitsize.
5628 * machmode.h (DEF_MACHMODE): Adjust for extra column.
5629 (GET_MODE_BITSIZE): Use it.
5630 * rtl.c (DEF_MACHMODE): Adjust for extra column.
5631 (mode_bitsize): New.
5632 (mode_mask_array): Use bitsize.
5633 * combine.c (combine_simplify_rtx): Require inner and outer
5634 modes to match on nonzero_bits optimizations.
5636 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
5638 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
5639 its entry in spill_reg_store.
5640 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
5641 * sh.c (reg_no_subreg_operand): New function.
5642 * sh-protos.h (reg_no_subreg_operand): Declare it.
5643 * sh.h (PREDICATE_CODES): Add it.
5644 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
5645 input operand that needs to be in fpul.
5646 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
5647 * sh.c (find_barrier): Take into account that machine_dependent_reorg
5648 might add new insns.
5650 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
5652 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
5654 (sh_expand_epilogue): Take the PIC register into account when
5655 computing the frame size.
5657 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
5658 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
5659 LABEL_REFs with a PIC-safe unspec.
5661 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5663 * c-common.c (check_format_info): Properly save the argument
5664 number and parameter for $ operand number formats in case width
5665 and precision arguments are also used. Allow printf width and
5666 precision arguments to have operand numbers even if none was
5667 specified for the main format, since this is OK for %*.*m. Only
5668 object to missing $ operand number if the format used requires an
5671 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5673 * c-common.c (format_char_info): Add 'W' flag to comment.
5674 (print_char_table, scan_char_table): Use it.
5675 (check_format_info): Use the 'W' flag to determine whether a
5676 format argument is written into.
5678 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5680 * c-common.c (check_format_types): Reorganise and clean up,
5681 checking earlier for ERROR_MARKs and making cur_type into its
5682 TYPE_MAIN_VARIANT where convenient.
5684 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5686 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
5688 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
5690 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
5692 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
5693 * i386.c (struct builtin_description): New.
5694 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
5695 (mmx_reg_operand): Declare MODE arg as unused.
5696 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
5697 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
5698 ix86_expand_binop_builtin, ix86_expand_store_builtin,
5699 ix86_init_builtins, ix86_expand_builtin): New functions.
5700 * i386.h (ix86_builtins): New enumeration.
5701 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
5702 * i386.md (attr length_immediate): 0 for mmx/sse types.
5703 (attr prefix_0f): 1 for mmx/sse types.
5704 (setcc_2): Remove "*" so we get gen_setcc_2.
5705 (emms): Account for changed register numbering. Set "memory" attr
5707 (sfence): Set "memory" attr to unknown.
5709 2000-09-18 Andreas Jaeger <aj@suse.de>
5711 * configure.in: Define _GNU_SOURCE only when using the GNU C
5713 * configure: Regenerated.
5714 * config.in: Regenerated.
5716 2000-09-17 Mark Mitchell <mark@codesourcery.com>
5718 * cppinit.c (cpp_init): Don't use ANSI prototypes.
5719 * flow.c (flow_dump_loop): Likewise.
5720 (flow_loops_dump): Likewise.
5722 * c-typeck.c (c_start_case): Fix typo.
5724 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5726 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
5727 to int for plain complex which defaults to complex double. Do
5728 warn about defaulting to complex double if pedantic. Warn about
5729 complex integer types if pedantic. Warn about complex types if
5730 pedantic and not in C99 mode.
5731 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
5732 for complex conjugation.
5734 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5736 * contrib.texi: Update my entry.
5738 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
5740 * config/avr/avr.md (mcu_enhanced): New attribute.
5741 (mcu_mega): Likewise.
5742 (extendhisi2): Use mcu_enhanced.
5743 (zero_extendhisi2): Likewise.
5744 (call_insn): Use mcu_enhanced and mcu_mega.
5745 (call_value_insn): Likewise.
5746 (*sbrx_branch): Use mcu_mega.
5747 (*sbrx_and_branchsi): Likewise.
5748 (*sbrx_and_branchhi): Likewise.
5749 (*tablejump_lib): Likewise.
5751 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5753 * alias.c (true_dependence): Allow non-unchanging read to conflict
5754 with unchanging write.
5756 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
5757 (store_constructor): Pass alias_set to it.
5759 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
5760 TYPE_MAIN_VARIANT of ERROR_MARK.
5761 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
5763 * simplify-rtx.c (simplify_unary_operation): Add cases
5764 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
5766 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
5768 * expr.h (emit_library_call, emit_library_call_value): Delete
5770 * rtl.h (enum libcall_type): New.
5771 (emit_library_call, emit_library_call_value): Change fn_type arg to
5772 be of type enum libcall_type.
5773 * calls.c: Likewise for the function definitions. Several callers
5774 throughout changed to use the new enumeration appropriately.
5775 (emit_library_call_value_1): Likewise. Put back code to make libcall
5776 blocks of equal form, but only use it for the two new higher
5779 2000-09-16 Mark Mitchell <mark@codesourcery.com>
5781 Convert the C front-end to use function-at-a-time mode.
5782 * c-common.h: Include splay-tree.h.
5783 (C_DECLARED_LABEL_FLAG): New macro.
5784 (struct language_function): Add x_scope_stmt_stack and
5785 x_function_name_declared_p.
5786 (RECHAIN_STMTS): Move definition.
5787 (lang_statment_code_p): Likewise.
5788 (lang_expand_stmt): Likewise.
5789 (lang_expand_decl_stmt): New variable.
5790 (lang_expand_function_end): Likewise.
5791 (current_scope_stmt_stack): New function.
5792 (add_decl_stmt): Likewise.
5793 (add_scope_stmt): Likewise.
5794 (mark_stmt_tree): Likewise.
5795 (struct c_lang_decl): New structure.
5796 (DECL_SAVED_TREE): Define.
5797 (c_mark_lang_decl): New function.
5798 (c_expand_start_cond): Change prototype.
5799 (c_finish_then): New function.
5800 (c_finish_else): Likewise.
5801 (current_function_name_declared): Remove.
5802 (set_current_function_name_declared): Likewise.
5803 (mark_c_language_function): Declare.
5804 (case_compare): Likewise.
5805 (c_add_case_label): Likewise.
5806 (c_expand_expr): Likewise.
5807 (c_safe_from_p): Likewise.
5808 * c-common.c (lang_expand_function_end): New variable.
5809 (struct if_elt): Add if_stmt.
5810 (c_expand_start_cond): Add the if-statement to the statement-tree,
5811 rather than generating RTL.
5812 (c_finish_then): New function.
5813 (c_expand_start_else): Don't generate RTL.
5814 (c_finish_else): New function.
5815 (c_expand_expr_stmt): Don't generate RTL.
5816 (statement_code_p): Add SCOPE_STMT.
5817 (case_compare): New function.
5818 (c_add_case_label): Likewise.
5819 (mark_stmt_tree): Likewise.
5820 (c_mark_lang_decl): Likewise.
5821 (mark_c_language_function): Likewise.
5822 (c_expand_expr): Likewise.
5823 (c_safe_from_p): Likewise.
5824 * c-decl.c (c_stmt_tree): New variable
5825 (c_scope_stmt_stack): Likewise.
5826 (c_function_name_declared_p): Likewise.
5827 (lang_expand_expr_stmt): Remove.
5828 (poplevel): Don't call output_inline_function for nested
5830 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
5832 (redeclaration_error_message): Change means of computing whether
5833 or not a function is nested.
5834 (lookup_label): Don't call label_rtx.
5835 (init_decl_processing): Add more GC roots.
5836 (start_decl): Add DECL_STMTs to the statement-tree, rather than
5837 calling rest_of_decl_compilation.
5838 (finish_decl): Don't call expand_decl.
5839 (store_parm_decls): Begin the statement-tree, but don't generate
5841 (finish_function): Tie off the statement-tree. Call c_expand_body
5843 (c_expand_body): New function.
5844 (push_c_function_context): Save more information.
5845 (pop_c_function_contxt): Likewise.
5846 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
5847 (lang_mark_tree): Mark it.
5848 (current_stmt_tree): Adjust.
5849 (current_scope_stmt_stack): New function.
5851 (set_current_name_declared): Likewise.
5852 (c_begin_compound_stmt): Define.
5853 (c_expand_decl_stmt): Likewise.
5854 * c-lang.c: Include rtl.h and expr.h.
5855 (lang_init): Set more language-specific hooks.
5856 * c-lex.c: Include expr.h.
5857 * c-parse.in: Changes throughout to add statements to the
5858 statement-tree, rather than generating RTL after every statement.
5859 * c-semantics.c (lang_expand_decl_stmt): Define.
5860 (add_decl_stmt): New function.
5861 (add_scope_stmt): Likewise.
5862 (finish_stmt_tree): Tweak.
5863 (genrtl_expr_stmt): Likewise.
5864 (genrtl_decl_stmt): Handle local labels, and call
5865 lang_expand_decl_stmt if required.
5866 (genrtl_for_stmt): Fix line-number handling.
5867 (genrtl_case_label): Handle cleanups.
5868 (genrtl_asm_stmt): Don't call combine_strings.
5869 (genrtl_compound_stmt): Simplify.
5870 (expand_stmt): Handle SCOPE_STMTs.
5871 * c-tree.h (struct lang_decl): New structure.
5872 (C_DECLARED_LABEL_FLAG): Remove.
5873 (c_begin_compound_stmt): Declare.
5874 (c_expand_decl_stmt): Likewise.
5875 (c_expand_start_case): Rename to c_start_case.
5876 (c_finish_case): New function.
5877 * c-typeck.c (start_init): Tweak setting of
5878 constructor_incremental.
5879 (c_expand_asm_operands): Tweak error-handling. Add to the
5881 (c_expand_return): Add to the statement-tree.
5882 (c_expand_start_case): Rename to ...
5883 (c_start_case): ... this.
5884 (struct c_switch): New type.
5885 (switch_stack): New variable.
5886 (do_case): Simplify.
5887 (c_finish_case): New function.
5888 * dependence.c: Include expr.h.
5889 (enum dependence_type): Change spelling of enumerals.
5890 (check_node_dependence): Adjust.
5891 * expr.h (lang_safe_from_p): Declare.
5892 (safe_from_p): Likewise.
5893 * expr.c (lang_safe_from_p): New variable.
5894 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
5895 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
5896 * toplev.c (rest_of_decl_compilation): Robustify.
5897 * tree.c (contains_placeholder_p): Likewise.
5898 * Makefile.in: Update dependencies.
5899 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
5900 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
5901 (objc_expand_function_end): New function.
5902 (finish_method_def): Use it.
5903 (init_objc): Initialize more language-specific hooks.
5904 * objc/Make-lang.in: Update dependencies.
5906 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
5908 * configure.in: Define macros that affect features before
5909 testing for features. Don't define _XOPEN_SOURCE.
5910 * configure: Regenerated.
5911 * config.in: Regenerated.
5913 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
5915 * rtlanal.c (rtx_varies_p): Volatile asms vary.
5916 (rtx_unstable_p): Restructure code. Volatile asms
5919 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5921 * function.h (no_debugging_symbols): New field.
5922 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
5923 Initialize no_debugging_symbols.
5924 (output_inline_function): Save and restore write_symbols and set from
5925 no_debugging_symbols.
5926 * toplev.c (rest_of_compilation): Call save_for_inline.
5927 * tree.h: Update comment.
5929 * stor-layout.c (place_field): Don't do anything if field or
5930 its type are ERROR_MARK.
5932 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
5934 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
5935 (read_include_file): Ensure inc->mmaped is initialized.
5937 2000-09-16 Richard Henderson <rth@cygnus.com>
5939 * cppiles.c (purge_cache): Use PTR not caddr_t.
5941 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
5943 * gcc.c: In description for %{<S}, say the option removed is -S.
5944 * invoke.texi (Spec Files): Ditto.
5946 2000-09-16 Andreas Jaeger <aj@suse.de>
5948 * configure.in: Always define _GNU_SOURCE to make interfaces
5949 visible that were hidden by only defining _GNU_SOURCE.
5950 * configure: Regenerated.
5952 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
5954 * cpplex.c (push_macro_context): Set an argument's level after
5955 calling parse_args. We could loop infinitely otherwise.
5957 2000-09-15 Tom Tromey <tromey@cygnus.com>
5959 * configure, config.in: Rebuilt.
5960 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
5962 2000-09-15 Greg McGary <greg@mcgary.org>
5964 * cppmacro.c (check_trad_stringification): Check token
5965 text pointers against limit before dereferencing.
5967 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
5969 * c-common.c (format_wanted_type): New structure.
5970 (check_format_types): New function.
5971 (check_format_info): Pass all checking of types of format
5972 arguments, including width and precision arguments, to this new
5975 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5977 * BUGS: Remove file.
5979 2000-09-15 Jakub Jelinek <jakub@redhat.com>
5981 * config/alpha/alpha.c (override_options): ev6 cache latencies
5982 from Richard Henderson. Don't allow -mmemory-latency=L0.
5984 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
5985 (TARGET_OPTIONS): Add tune=.
5986 (alpha_tune_string): Declare.
5987 * config/alpha/alpha.c (override_options): Add cpu_table.
5988 Use alpha_cpu_string first to set both alpha_cpu and target_flags
5989 and then alpha_tune_string to set alpha_cpu only.
5990 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
5991 * config/alpha/elf.h (ASM_FILE_START): Likewise.
5992 * config/alpha/osf.h (ASM_FILE_START): Likewise.
5993 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
5995 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
5997 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
5999 (ix86_comparison_operator, ix86_cc_mode): Declare
6000 * i386.h (CCGC, CCGCO): New modes.
6001 (SELECT_CC_MODE): Move offline to ....
6002 * i386.c (ix86_cc_mode): .... here; use new modes.
6003 (ix86_comparison_operator): New.
6004 (fcmov_comparison_operator): Ensure proper mode.
6005 (put_condition_mode): More sanity checking.
6006 (ix86_match_ccmode): Handle new modes.
6007 (ix86_expand_fp_compare): GEU requires CCmode.
6008 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
6010 * i386.md (cmp?i_ccz_1): Remove
6011 (cmp?i_ccno_1): Use ix86_match_ccmode.
6012 (cmp?i_minus_1): New.
6013 (cmpsi_1): New expander.
6014 (cmpqi_ext_1): Use match_ccmode
6015 (cmpqi_ext_3): New expander.
6016 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
6017 (cmpqi_ext_4): Use match_ccmode.
6018 (add?i_?): Use match_ccmode.
6020 (test?i_ccz_1): Remove
6022 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
6023 (testqi_ext_0): Use ix86_match_ccmode.
6024 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
6025 (xorqi_cc_ext_1): New expander.
6026 (shift patterns): Use CCGOCmode for all shifts except for sar.
6027 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
6028 (setcc_3, jcc_3, miv?icc_c): Remove.
6030 2000-09-15 Will Cohen <wcohen@redhat.com>
6032 * dwarf2out.c (add_const_value_attribute): Changed array into a
6033 xmalloced object, so it exists after function exit.
6034 (free_AT): Added case for dw_val_class_float to free allocated
6037 2000-09-15 Kazu Hirata <kazu@hxi.com>
6039 * config/i386/i386.md: Fix a comment typo.
6040 * gcc.c: Fix formatting.
6042 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
6044 * optabs.c (emit_libcall_block): If target is a user variable,
6045 copy to a temporary first.
6046 * expr.c (convert_move): When generating a libcall, make a libcall
6048 * calls.c (emit_library_call_value_1): Don't create a libcall
6049 sequence here; our caller will in most cases do it.
6051 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
6053 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
6054 * sh.md (reload_outsf): Generate recognizable patterns for
6056 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
6057 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
6058 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
6059 truncdfsf2_i4): Change not to use explicit references to fpul.
6060 (floatsisf2_ie): Remove USE of fpscr.
6061 (floatsisf2): Change default expansion to match this.
6062 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
6065 2000-09-15 Richard Henderson <rth@cygnus.com>
6067 * expmed.c (store_bit_field): Consider naturally aligned
6068 memory for direct reference.
6070 2000-09-15 Richard Henderson <rth@cygnus.com>
6072 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
6073 AND addresses into alias set 0.
6074 (alpha_expand_unaligned_store): Likewise.
6075 (alpha_expand_unaligned_load_words): Likewise.
6076 (alpha_expand_unaligned_store_words): Likewise.
6078 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
6080 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
6081 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
6083 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
6084 rsize of UNITS_PER_WORD.
6086 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
6088 * cpplex.c (ON_REST_ARG): Correct the test.
6089 (maybe_paste_with_next): Duplicate a token that fail pasting,
6090 and clear its PASTE_LEFT flag, so that nested pasting attempts
6093 2000-09-14 Richard Henderson <rth@cygnus.com>
6095 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
6096 * cse.c (rtx_cost): Likewise.
6097 * optabls.c (expand_binop): Likewise.
6098 (expand_twoval_binop, prepare_cmp_insn): Likewise.
6099 * regclass.c (copy_cost): Likewise.
6100 * reload1.c (reload_cse_move2add): Likewise.
6102 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
6104 * c-parse.in (reswords): Add _Complex.
6106 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6108 * gcc.1: Delete documentation for -undef preprocessor option.
6110 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
6112 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6113 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
6114 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
6115 Remove undefine before config/elfos.h.
6116 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
6118 2000-09-14 Kazu Hirata <kazu@hxi.com>
6120 * invoke.texi (H8/300 Options): Add -ms2600.
6121 * config/h8300.c (h8300_init_once): Output an error when -ms2600
6122 is used without -ms.
6123 * config/h8300.h (TARGET_MAC): New.
6124 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
6125 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
6126 machine other than H8/S2600.
6127 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
6130 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
6132 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
6133 pseudos that refer to the original pseudos, not only to their
6134 equivalent memory locations.
6136 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6138 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
6139 when making new MEM.
6141 * Makefile.in (LN): Remove duplicate definition.
6143 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6145 From Joern Rennecke:
6146 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
6147 on an insn and function_invariant_p returns nonzero for the source,
6148 add a REG_EQUAL note.
6150 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
6152 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
6153 conflict with frame_pointer_rtx.
6155 2000-09-13 Kazu Hirata <kazu@hxi.com>
6157 * loop.c: Fix formatting.
6160 2000-09-13 Richard Henderson <rth@cygnus.com>
6162 * config/ia64/ia64.md (divsf3): New.
6163 (divsf3_internal_lat, divsf3_internal_thr): New.
6164 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
6165 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
6166 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
6167 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
6168 (nmadddf4_alts, nmadddf4_trunc): New.
6169 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
6170 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
6171 (multf3_truncsf_alts, multf3_truncdf_alts): New.
6172 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
6173 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
6174 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
6175 (nmaddtf4_truncdf_alts): New.
6176 (recip_approx): Don't predicate.
6178 2000-09-13 Richard Henderson <rth@cygnus.com>
6180 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
6182 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6184 * flags.h (flag_dump_rtl_in_asm): Declare.
6185 * toplev.c (flag_dump_rtl_in_asm): Define.
6186 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
6187 if -dP is specified.
6188 * rtl.h (print_rtx_head): Declare.
6189 * print-rtl.c (print_rtx_head): Define.
6190 (print_rtx): Print the string pointed to by print_rtx_head
6191 at beginning of each dump line.
6192 (print_rtl): Likewise.
6193 (print_rtl_single): Likewise.
6194 * final.c (final_scan_insn): Dump the insn in the assembly
6196 * gcc.1: Document -dP option.
6197 * invoke.texi (Debugging Options): Likewise.
6199 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6201 * md.texi (Machine Constraints): Document the 68HC11 constraints.
6202 * install.texi (Configurations): Document the 68HC11&68HC12 port.
6203 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
6205 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
6207 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
6208 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
6209 (*clrstrqi): Likewise.
6210 (xorhi3,xorsi3,absqi2): Likewise.
6211 (one_cmplhi2,one_cmplsi2): Likewise.
6212 (addsi3): Two stupid constraint alternatives removed.
6213 (extendhisi2): Use `movw' for enhanced avr cores.
6214 (zero_extendhisi2): Likewise.
6216 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
6218 * alias.c (find_base_term): Use frame_pointer_rtx
6219 when handling an ADDRESSOF.
6221 * cse.c (canon_hash): Handle USE of BLKmode memory.
6222 (cse_insn): Outgoing arguments for a libcall don't
6223 affect any recorded expressions.
6225 2000-09-12 Tom Tromey <tromey@cygnus.com>
6227 * configure, config.in: Rebuilt.
6228 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
6230 2000-09-12 Jakub Jelinek <jakub@redhat.com>
6232 * c-lex.c (lex_string): Use charwidth to compute bytemask.
6233 * expr.c (expand_expr): Don't optimize constant array references
6234 initialized with wide string constants.
6236 2000-09-13 Michael Hayes <mhayes@cygnus.com>
6238 * loop.c (note_set_pseudo_multiple_uses): Correct.
6240 2000-09-12 Jim Wilson <wilson@cygnus.com>
6242 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
6243 else block, and X has side-effects, then fail.
6245 2000-09-12 Greg McGary <greg@mcgary.org>
6247 * config/mips/mips-protos.h
6248 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
6249 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
6250 (PREDICATE_CODES): Add "trap_cmp_op".
6251 * config/mips/mips.c
6252 (trap_cmp_op, mips_gen_conditional_trap): New functions.
6253 * config/mips/mips.md (trap, conditional_trap): New patterns.
6255 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6257 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
6260 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6262 * builtins.c (built_in_decls): New array.
6263 (expand_builtin_fputs): New function.
6264 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
6266 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
6268 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
6270 * tree.h (built_in_decls): New array.
6272 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
6274 * convex.md: Use "+" instead of "=" for outputs wrapped in a
6276 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
6278 2000-09-12 Kazu Hirata <kazu@hxi.com>
6280 * haifa-sched.c: Fix formatting.
6282 * genattrtab.c: Fix formatting.
6284 * unroll.c: Fix formatting.
6286 2000-09-12 Bruce Korb <bkorb@gnu.org>
6288 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
6289 remove obsolete code
6290 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
6291 * fixinc/fixincl.tpl: make non-exported arrays static scope
6292 * fixinc/fixincl.x: regenerate
6293 * fixinc/fixlib.h: Use PARAMS, not _P_
6294 * fixinc/fixtests.c: make a type for the test proc & use it
6295 * fixinc/server.h: Use PARAMS, not _P_
6297 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6299 * c-typeck.c (process_init_element): Avoid union init warnings on
6300 floating point zero. Don't crash on unions containing structs.
6302 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
6304 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
6305 general_movsrc_operand, and remove CONST_INT from
6306 general_movdst_operand.
6308 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6310 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
6311 if a reference to non-fixed hardreg is seen. Otherwise, count hard
6312 regs with a higher cost.
6313 (preferrable): Deal with cases where either cost or regcost is
6315 (cse_insn): Use MAX_COST rather than 10000. Always initialize
6317 (COSTS_N_INSNS): Move definition...
6319 (MAX_COST): New macro.
6320 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
6323 2000-09-11 Mark Mitchell <mark@codesourcery.com>
6325 * c-common.h (genrtl_clear_out_block): Remove.
6326 * c-semantics.c (genrtl_clear_out_block): Remove.
6327 (genrtl_while_stmt): Don't call it.
6328 (genrtl_for_stmt): Likewise.
6330 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
6332 * cppfiles.c: Move all default-#defines to top of file.
6333 (open_include_file): Replace by lookup_include_file.
6334 (read_with_read, read_file): Merged into read_include_file.
6335 (stack_include_file, purge_cache): New functions.
6336 (close_cached_fd): Delete.
6337 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
6338 Cache the in-memory buffer, not the file descriptor.
6340 * cpphash.h (struct include_file): Add buffer, st, refcnt,
6342 (xcnew): New utility macro.
6343 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
6344 * cpplib.h (struct cpp_buffer): Remove mapped field.
6346 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
6348 * cpplex.c (parse_string): Accept backslash space newline as a
6350 (lex_line): Likewise.
6351 (_cpp_get_token): Remove hard limit on macro nesting.
6353 2000-09-12 Philipp Thomas <pthomas@suse.de>
6355 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
6356 * configure: Rebuilt.
6358 2000-09-13 Michael Hayes <mhayes@cygnus.com>
6360 * flow.c (split_block): Fix update of registers live at
6363 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6365 * i386.md (add?i_3, add?i_5): New.
6366 (add?i_4): Rename from add?i_3; Fix compare pattern.
6367 (sub?i_3, xor?i_3, ior?i_3): New.
6369 * genrecog.c (write_tree): Output code to clear insn_extract cache.
6370 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
6371 instead of extract_insn and extract_constrain_insn_cache instead of
6372 extract_insn and constrain_operands.
6373 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
6375 (extract_insn): Clear which_alternative.
6376 (constrain_operands): Set which_alternative to -1 when failed.
6377 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
6380 2000-09-11 Matthew Hiller <hiller@redhat.com>
6382 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
6383 on operand 0 to '+'.
6384 (movstricthi): Likewise.
6386 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6388 * loop.h (LOOP_IVS): New macro.
6389 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
6390 (struct loop_ivs): New.
6391 (struct loop_info): Add ivs field.
6392 (reg_iv_type, reg_iv_info): Delete prototype.
6393 (reg_biv_class, loop_iv_list): Likewise.
6394 * loop.c (record_biv, find_life_end): Pass loop argument.
6395 (reg_iv_type): Remove global array and use
6396 field in loop_regs structure within loop_ivs structure.
6397 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
6398 (first_increment_giv, last_increment_giv): Use entry in
6400 (record_initial): Pass ivs pointer.
6401 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
6403 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6405 * loop.h (LOOP_REGS): New macro.
6406 (struct loop_regs): New.
6407 (struct loop_info): Add regs field.
6408 * loop.c (set_in_loop): Remove global array and store
6409 in loop_regs structure as part of loop_info structure.
6410 (n_times_set, may_not_optimize): Likewise.
6411 (reg_single_usage, moved_once): Likewise.
6412 (count_one_set): Add regs argument.
6413 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
6414 (set_pseudo_multiple_uses): Pass regs pointer.
6416 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6418 * unroll.c (iteration_info): Subsume into loop_iterations.
6419 * loop.h (loop_info): New field iv.
6421 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6423 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
6424 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
6425 (flow_loops_update): New prototype.
6426 (flow_loops_find): Add flags to prototype.
6427 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
6428 * flow.c (flow_loop_pre_header_scan): New.
6429 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
6430 (flow_loop_free): Free pre-header root and trace and exit dominators.
6431 (flow_loops_find): New argument flags.
6432 (flow_loops_update): New function.
6433 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
6435 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6437 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
6438 * flow.c (split_block, update_bb_for_insn): New functions.
6440 2000-09-11 Richard Henderson <rth@cygnus.com>
6442 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
6444 2000-09-11 Richard Henderson <rth@cygnus.com>
6446 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
6447 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
6448 (ia64_override_options): Prevent optimizing division for both
6449 latency and throughput.
6450 (rtx_needs_barrier): Handle frcpa.
6451 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
6452 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
6453 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
6454 (TARGET_SWITCHES): Add -minline-divide-min-latency and
6455 -minline-divide-max-throughput.
6456 (PREDICATE_CODES): Update.
6457 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
6458 (zero_extendsidi2): Likewise. Fix typo in f case insn.
6459 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
6460 (extendsftf2): Likewise.
6461 (extenddftf2): Likewise.
6462 (fix_trunctfdi2_alts): New.
6463 (fixuns_trunctfdi2_alts): New.
6464 (madd*4): Rename from madd*3.
6465 (divsi3, modsi3, udivsi3, umodsi3): New.
6466 (divsi3_internal): New.
6467 (divdi3, moddi3, udivdi3, umoddi3): New.
6468 (divdi3_internal_lat, divdi3_internal_thr): New.
6469 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
6470 (recip_approx): New.
6472 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
6474 * print-rtl.c (debug_call_placeholder_verbose): New variable.
6475 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
6477 * integrate.c (copy_rtx_and_substitute): Don't share
6478 LEAF_REG_REMAPpable registers with the inlined function. Don't
6479 share the function value with calling sequences.
6481 2000-09-11 Jakub Jelinek <jakub@redhat.com>
6483 * c-decl.c (do_case): Fix a typo.
6485 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
6486 to a if the comparison is floating mode and not -ffast-math.
6487 * simplify-rtx.c (simplify_ternary_operation): Likewise.
6489 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6491 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
6492 gen_ic_invalidate_line.
6494 2000-09-11 Philip Blundell <pb@futuretv.com>
6496 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
6498 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
6500 * install.texi (LANGUAGES): Update to include new languages.
6503 2000-09-11 DJ Delorie <dj@redhat.com>
6505 * gcc.c (main): Don't warn about unused -B prefixes
6506 (unused_prefix_warnings): remove
6508 2000-09-11 Kazu Hirata <kazu@hxi.com>
6510 * final.c: Fix formatting.
6512 * integrate.c: Fix formatting.
6514 2000-09-11 Geoff Keating <geoffk@cygnus.com>
6516 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
6518 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
6520 * reload.c (regno_clobbered_p): Fix thinko in previous change.
6522 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6524 * gcc.1: Document 68hc11 specific options.
6526 2000-09-10 Geoff Keating <geoffk@cygnus.com>
6528 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
6529 (TARGET_LONG_DOUBLE_128): Define.
6530 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
6531 (LONG_DOUBLE_TYPE_SIZE): Redefine.
6532 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6533 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
6534 of __LONG_DOUBLE_128__.
6535 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
6537 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
6538 (CPP_SYSV_DEFAULT_SPEC): Define.
6539 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
6540 (INIT_TARGET_OPTABS): Define.
6542 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
6543 (RS6000_UITRUNC): Likewise.
6544 (INIT_TARGET_OPTABS): New macro.
6545 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
6546 (trunc_defined): Delete.
6547 (output_prolog): Don't output .extern definitions for fp->int
6548 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
6549 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
6550 (trunc_defined): Delete.
6551 (RS6000_ITRUNC): Moved to aix.h.
6552 (RS6000_UITRUNC): Likewise.
6553 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
6554 only emit a libcall.
6555 (fixuns_truncdfsi2): Delete.
6556 (trunc_call): Delete.
6557 (trunc_call_rtl): Delete.
6559 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6561 * varasm.c (make_decl_rtl): Restore leading star on
6562 DECL_ASSEMBLER_NAME set for decls with an asmspec.
6564 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6566 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
6567 won't give a spurious error for '#pragma pack()'. Simplify
6568 control flow for readability. 'reset' action is not necessary.
6570 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6572 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
6573 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
6574 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
6575 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
6577 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
6578 profile.c, sdbout.c, tradcif.y, tree.c:
6579 Include defaults.h if not already included.
6580 Don't define the above macros.
6582 * Makefile.in: Update dependencies.
6584 2000-09-10 Mark Mitchell <mark@codesourcery.com>
6586 * c-common.h (add_stmt): Change prototype.
6587 (RECHAIN_STMTS): New macro.
6588 (CASE_LABEL_DECL): Likewise.
6589 (genrtl_case_label): Change prototype.
6590 (c_expand_start_case): Remove prototype.
6591 (build_case_label): Change prototype.
6592 (decl_constant_value): Declare.
6593 * c-common.c (check_case_value): Handle C++'s extensions to C
6595 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
6597 * c-parse.in (stmt): Adjust handling of return statements and case
6599 * c-semantics.c (add_stmt): Return the new statement.
6600 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
6601 returned expression. Directly generate RTL, rather than calling
6603 (genrtl_switch_stmt): Don't call c_expand_start_case.
6604 (build_case_label): Take the LABEL_DECL as input, too.
6605 (genrtl_case_label): Just call add_case_node.
6606 (expand_stmt): Adjust calls to genrtl_return_stmt and
6608 * c-tree.h (c_expand_start_case): Declare.
6609 * c-typeck.c (decl_constant_value): Give it external linkage.
6610 (c_expand_return): Don't call expand_return or expand_null_return;
6611 use genrtl_return_stmt instead.
6612 * stmt.c (struct nesting): Remove num_ranges field.
6613 (add_case_node): Give it external linkage.
6614 (expand_start_case): Don't set num_ranges.
6615 (expand_start_case_dummy): Don't clear it.
6616 (pushcase): Rely on add_case_node to handle `default' labels.
6617 (add_case_node): Handle `default' labels.
6618 * tree.c (tree_int_cst_compare): New function.
6619 * tree.h (tree_int_cst_compare): Declare.
6620 (add_case_node): Likewise.
6622 2000-09-10 Richard Henderson <rth@cygnus.com>
6624 * c-parse.in: Revert last change.
6625 (init_reswords): Do not enter disabled keywords into the ridpointers
6626 table, modulo objc weirdness.
6627 (_yylex): Return the canonical spelling for a keyword.
6629 2000-09-10 Philip Blundell <philb@gnu.org>
6631 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
6632 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
6634 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
6636 * alias.c (find_base_term): Handle ADDRESSOF.
6637 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
6639 2000-09-10 Denis Chertykov <denisc@overta.ru>
6641 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
6642 outputting templates with many lines.
6644 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6646 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
6647 to decide whether 64-bit support must be generated.
6649 2000-09-10 Richard Henderson <rth@cygnus.com>
6651 * c-parse.in (asm patterns): Fix volatile check.
6653 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6655 * cppmacro.c (check_trad_stringification): New function.
6656 (save_expansion): If -Wtraditional, warn about stringification of
6659 2000-09-11 Michael Hayes <mhayes@cygnus.com>
6661 * loop.h (struct loop_mem_info): Move from loop.c
6662 (struct loop_info): Add fields store_mems, mems, mems_idx,
6663 mems_allocated, unknown_address_altered,
6664 unknown_constant_address_altered, num_mem_sets, and
6665 first_loop_store_insn.
6667 * loop.c (loop_store_mems): Replace with field in loop_info struct.
6668 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
6669 (unknown_address_altered, unknown_constant_address_altered): Likewise.
6670 (num_mem_sets): Likewise.
6671 (replace_loop_mems, replace_loop_regs): New.
6672 (struct loop_replace_args): New.
6673 (load_mems): Use replace_loop_mems.
6674 (try_copy_prop): Use replace_loop_regs.
6675 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
6677 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6679 * configure.in: Recognize m6811-elf and m6812-elf.
6680 * configure: Regenerate.
6682 2000-09-09 Geoff Keating <geoffk@cygnus.com>
6684 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
6687 2000-09-10 Michael Hayes <mhayes@cygnus.com>
6689 * loop.c (struct movables): New.
6690 (num_movables): Move into struct movables.
6691 (the_movables): Change type to struct movables.
6692 (ignore_some_movables): Change struct movable arg to struct movables.
6693 (force_movables, combine_movables, regs_match_p): Likewise.
6694 (rtx_equal_for_loop_p, move_movables): Likewise.
6695 (scan_loop): Change movables to be of type struct movables.
6696 Replace last_movable with field in movables structure.
6698 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
6700 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
6701 (init_pragma): Avoid warning if pfile happens to be unused.
6702 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
6703 define init_pragma to nothing. Always prototype
6704 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
6706 * c-lex.c (process_directive): Always call dispatch_pragma.
6707 Initialize entering_c_header to 0.
6709 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6711 * config/m68hc11/m68hc11.md: New file, machine description for
6713 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
6714 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
6715 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
6716 * config/m68hc11/m68hc11-protos.h: New file.
6717 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
6718 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
6719 * config/m68hc11/xm-m68hc11.h: New file, target defs.
6720 * config/m68hc11/larith.asm: New file, libgcc routines.
6722 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6724 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
6725 (FPBIT_FUNCS): Add _usi_to_sf.
6726 * config/fp-bit.c (usi_to_float): New function.
6727 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
6728 (usi_to_float): Add appropriate #define.
6730 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6732 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
6734 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
6735 * i386.md (attr "type"): Add sse and mmx types.
6736 (attr "memory"): Handle them without a crash.
6737 (movsi_1, movdi_2): Allow MMX regs.
6738 (movdi splits): Don't split moves involving MMX regs.
6739 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
6740 (movv4sf_internal, movv4si_internal, movv8qi_internal,
6741 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
6742 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
6743 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
6744 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
6745 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
6746 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
6747 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
6748 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
6749 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
6750 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6751 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6752 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
6753 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
6754 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6755 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6756 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
6757 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
6758 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
6759 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
6760 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
6761 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6762 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6763 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
6764 mmx_clrdi): New patterns.
6766 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
6768 * arm.c: Don't include tm.h directly.
6770 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
6772 * recog.c (validate_replace_rtx_1): Fix confusion about equality
6773 testing; simplify subregs of constants and nested subregs.
6775 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
6777 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
6779 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6781 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
6783 * rtl.texi (description of USE): Add note about possible pitfalls
6785 From Richard Henderson:
6786 * reload1.c (choose_reload_regs): Compute need_mode properly.
6788 2000-09-07 Richard Henderson <rth@cygnus.com>
6790 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
6791 (__modsi3, __umodsi3): Likewise.
6792 (__udivsi3): Likewise. Normalize the TFmode values.
6794 2000-09-07 Geoff Keating <geoffk@cygnus.com>
6796 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
6798 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
6801 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6803 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
6804 (cmpeqdi_t): Add output pattern.
6805 (cmpeqdi_t+1): Don't split when not optimizing.
6806 Restore proper splitting operation.
6808 2000-09-07 Richard Henderson <rth@cygnus.com>
6810 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
6811 do not call dispatch_pragma.
6813 2000-09-07 Jim Wilson <wilson@cygnus.com>
6815 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
6816 to CLASS_CANNOT_CHANGE_MODE.
6817 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
6818 mode classes are different.
6820 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6822 * cpplib.h (struct cpp_options): Add user_label_prefix member,
6823 left out of commit which removed cppulp.c.
6825 2000-09-07 Richard Henderson <rth@cygnus.com>
6827 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
6828 after switch for CASE_DROPS_THROUGH.
6830 2000-09-07 Richard Henderson <rth@cygnus.com>
6832 * loop.c (strength_reduce): Call check_ext_dependant_givs.
6833 Properly extend the biv initial value for the giv.
6834 (record_biv): Zero ext_dependant.
6835 (record_giv): New argument ext_val. Update all callers.
6836 (general_induction_var): Likewise.
6837 (consec_sets_giv): Likewise.
6838 (simplify_giv_expr): Likewise. Fill in ext_val if we find
6839 a sign-extend, zero-extend, or truncate.
6840 (combine_givs_p): Make sure modes are compatible.
6841 (check_ext_dependant_givs): New.
6842 (extend_value_for_giv): New.
6843 * loop.h (struct induction): Add ext_dependant.
6844 * unroll.c (iteration_info): Extend the biv initial value for the giv.
6845 (find_splittable_givs): Likewise.
6846 (final_giv_value): Likewise.
6848 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6850 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
6851 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
6852 definitions from cpplib.h.
6853 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
6855 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
6856 documentation for REGISTER_TARGET_PRAGMAS.
6858 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
6859 default-pragma callback to implement -Wunknown-pragmas if
6861 * c-parse.in: Move all includes to top of file.
6862 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
6864 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
6866 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
6868 * arm.h, arm-protos.h, arm.c,
6869 c4x.h, c4x-protos.h, c4x.c,
6870 h8300.h, h8300-protos.h, h8300.c,
6871 i370.h, i370-protos.h, i370.c,
6872 i960.h, i960-protos.h, i960.c,
6873 sh.h, sh-protos.h, sh.c,
6874 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
6875 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
6877 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
6878 multiple include guard.
6879 * i370.md (untyped_call): Use GEN_CALL.
6880 (umodsi3): Remove unused variable.
6881 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
6882 * v850.c (output_move_single, output_move_double): Constify
6884 (print_operand): Constify a char *.
6885 * v850.h (struct small_memory_info): Constify name member.
6887 2000-09-07 Kazu Hirata <kazu@hxi.com>
6889 * config/h8300.h: Fix comment typos.
6890 * config/h8300/h8300.md: Likewise.
6891 * config/h8300/lib1funcs.asm: Likewise.
6893 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
6895 * Makefile.in: Remove references to cppulp.{c,o}.
6896 * cppinit.c (initialize_builtins, cpp_start_read,
6897 cpp_handle_option): Update to use cpp_options structure.
6900 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
6902 * c-common.c (time_char_table): Allow %#b and %#h.
6904 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6906 * reorg.c (find_end_label): If the basic block reorder pass moves the
6907 return insn to some other place try to locate it again and put our
6908 end_of_function_label there.
6909 * reorg.c (relax_delay_slots): Check if find_end_label created a
6910 new label that invalidates the current optimazation.
6912 2000-09-07 Catherine Moore <clm@redhat.com>
6914 * unroll.c (unroll_loop): Check for unconditional jumps
6915 to loop continuation. Delete if n_iterations is 1.
6916 (ujump_to_loop_cont): New routine.
6918 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
6920 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
6922 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
6923 to handle multiword modes correctly. All callers and the declaration
6926 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6928 * c-common.h (prep_stmt): Declare.
6929 (lang_expand_stmt): Likewise.
6930 * c-decl.c (lang_expand_stmt): Remove.
6931 * c-semantics.c (lang_expand_stmt): Define.
6932 (prep_stmt): New function.
6933 (expand_stmt): Handle common statement types here.
6935 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
6937 * configure.in (sh-*-linux*): Added.
6938 * configure: Rebuilt.
6939 * config/sh/t-linux: New file.
6940 * config/sh/sh.h (USERMODE_BIT): Define.
6941 (TARGET_USERMODE): Likewise.
6942 (TARGET_SWITCHES): New switches for the bits above.
6943 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
6944 * config/sh/linux.h: New file.
6945 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
6946 underscore on linux.
6947 (L_sdivsi3, L_udivsi3): Define for linux.
6948 (L_ic_invalidate): Define.
6949 * invoke.texi (SH Options): Document -musermode.
6951 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
6953 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
6954 CSE unless generating PIC.
6956 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
6959 2000-09-06 H.J. Lu (hjl@gnu.org)
6961 * Makefile.in (clean_s1): Depend on stage_b.
6962 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
6963 stage2. They are used for "make compare".
6965 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6967 Move statement-tree facilities from C++ to C front-end.
6968 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
6969 (void_zero_node): New macro.
6970 (struct stmt_tree_s): New type.
6971 (stmt_tree): New typedef.
6972 (struct language_function): New type.
6973 (last_tree): New macro.
6974 (last_expr_type): Likewise.
6975 (walk_tree_fn): New typedef.
6976 (current_stmt_tree): New function.
6977 (begin_stmt_tree): Likewise.
6978 (add_stmt): Likewise.
6979 (finish_stmt_tree): Likewise.
6980 (statement_code_p): Likewise.
6981 (lang_statement_code_p): New variable.
6982 (walk_stmt_tree): New function.
6983 (STMT_IS_FULL_EXPR_P): New macro.
6984 * c-common.c (lang_statement_code_p): New variable.
6985 (c_common_nodes_and_builtins): Initialize void_zero_node.
6986 (statement_code_p): New function.
6987 (walk_stmt_tree): Likewise.
6988 * c-decl.c (language_function): Rename to ...
6989 (c_language_function): ... this. Include language_function.
6990 (push_c_function_context): Adjust accordingly.
6991 (pop_c_function_context): Likewise.
6992 (mark_c_function_context): Likewise.
6993 (current_stmt_tree): Define.
6994 * c-semantics.c (begin_stmt_tree): New function.
6995 (add_stmt): Likewise.
6996 (prune_unused_decls): Likewise.
6997 (finish_stmt_tree): Likewise.
6999 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7001 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
7003 2000-09-06 Kazu Hirata <kazu@hxi.com>
7005 * calls.c: Fix formatting.
7007 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
7009 * config/i386/i386.h (ADDRESS_COST): Fix typo.
7011 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7013 Integrated preprocessor.
7015 * Makefile.in: Remove all references to c-parse.gperf,
7016 c-gperf.h, and c-parse.h. Remove -d from yacc command line
7017 generating c-parse.c. Update dependencies.
7018 * c-parse.gperf, c-gperf.h: Delete.
7020 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
7021 yy_lim, or yy_get_token. Don't define get_directive_line if
7023 * c-common.h: Add multiple include guard. Define RID values
7024 for every keyword in C, C++, and Objective C. Put all the
7026 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
7027 * c-decl.c (c_decode_option): Handle -lang-objc here.
7028 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
7029 (grokdeclarator): Adjust for new RID scheme.
7030 (extract_interface_info): New stub.
7031 * c-lang.c: Don't declare yy_cur or parse_options.
7032 (lang_init_options): Call cpp_init. Don't call
7034 (lang_init): Don't call check_newline if USE_CPPLIB.
7036 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
7037 Elide lots of unnecessary code if USE_CPPLIB. Delete code
7038 rendered unnecessary by new architecture. Move routines not
7039 shared with C++ to c-parse.in. Maintain a local idea of the
7040 line number. Handle C++ as well as C.
7041 [USE_CPPLIB]: Declare and register callbacks for #ident and
7042 for entering/leaving files.
7043 (init_c_lex, c_lex): Are now the entry points to this file.
7044 (check_newline): Break out directive handling to
7046 (read_ucs, is_extended_char, utf8_extend_token): Moved here
7048 (readescape, parse_float): Overhaul.
7049 (lex_number, lex_string, lex_charconst): Break out of c_lex
7051 (get_fileinfo, update_header_times, dump_one_header,
7052 dump_time_statistics): New and/or moved here from C++.
7053 Support per-file data needed by C++ and per-header timing
7054 statistics (C++ only, at the moment).
7055 * c-lex.h: Update prototypes. Add multiple include guard.
7056 * c-tree.h (struct lang_identifier): Add rid_code field.
7057 (C_IS_RESERVED_WORD, C_RID_CODE): New.
7059 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
7060 reinit_parse_for_function and/or position_after_white_space.
7061 (save_filename, save_lineno): Look ahead before saving.
7062 (label -> identifier ':'): Save file and line before shifting ':'.
7063 (reservedwords): No need to call get_identifier.
7064 (init_parse, finish_parse, yyerror, yylex, yyprint,
7065 make_pointer_declarator): Are now here for C/ObjC.
7066 (rid_to_yy): Conversion table from RID constants to Yacc codes.
7068 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
7069 #pragma registry. Provide dummy implementation of that
7070 interface if !USE_CPPLIB.
7071 * c-pragma.h: Update to match.
7073 * flags.h: Add multiple include guard.
7074 (flag_detailed_statistics): Moved here from C++.
7075 * toplev.c: Define flag_detailed_statistics.
7077 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
7079 * timevar.def (TV_CPP, TV_LEX): New.
7080 * timevar.h: Add multiple include guard.
7082 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
7084 * objc/objc-act.c: Don't mention yy_cur or parse_options.
7085 Initialize cpplib properly. Force lineno to 0 after first
7086 call to check_newline. Don't handle -lang-objc here.
7087 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
7089 2000-09-06 David Edelsohn <edelsohn@gnu.org>
7091 * rs6000.md: Correct function unit definitions for cr_logical and
7093 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
7094 and use portable method for >=0 and floating point >=. Remove
7095 associated matchers.
7097 2000-09-06 Mark Mitchell <mark@codesourcery.com>
7099 * extend.texi: Mark named return value extension as deprecated.
7101 2000-09-06 Geoff Keating <geoffk@cygnus.com>
7103 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
7106 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
7108 * toplev.c (display_help): Fix thinko in documentation.
7110 * diagnostic.h (output_buffer::indent_skip): New fields.
7111 (output_indentation): New macro.
7113 * diagnostic.c (output_indent): New function.
7114 (output_set_prefix, clear_diagnostic_info): Use.
7115 (output_emit_prefix): Predict future indentation.
7117 2000-09-06 DJ Delorie <dj@redhat.com>
7119 * Makefile.in (stage_*): add more dependencies to ensure parallel
7120 builds build correctly
7122 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
7124 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
7125 not bootstrap-lean_f.
7127 2000-09-06 Andreas Schwab <schwab@suse.de>
7129 * mklibgcc.in: Emit rule for libgcc-stage-start.
7130 * Makefile.in (stage1-start, stage2-start, stage3-start,
7131 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
7133 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
7135 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
7136 (update_equiv_regs): Likewise, except for the mn10200 kludge.
7137 (combine_regs): Likewise.
7139 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
7140 * cse.c: Include "basic-block.h".
7141 (struct table_elt): New field REGCOST.
7142 (CHEAP_REG): Delete macro.
7143 (COST): Return 0 for REGs.
7144 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
7145 (notreg_cost): Return 0 for appropriate SUBREGs.
7146 (COSTS_N_INSNS): Return N * 2.
7147 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
7149 (CHEAPER): Use new function preferrable.
7150 (insert): Initialize REGCOST member.
7151 (find_best_addr): Use approx_reg_cost for estimation of register
7153 (cse_insn): Likewise.
7154 * loop.c (iv_add_mult_cost): New function.
7155 (add_cost, shift_cost, mult_cost): Delete variables.
7156 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
7157 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
7158 Make code that detects autoinc opportunities slightly less optimistic.
7159 (simplify_giv_expr): If expression contains other reg that is also a
7160 giv, only increment benefit if this is the only use of that reg.
7161 (consec_sets_giv): Take that change into account.
7162 (combine_givs): Slightly more verbose output.
7164 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
7165 not the cost of an equivalent shift.
7166 * sh-protos.h (addsubcosts): Declare.
7167 * sh.c (addsubcosts): New function.
7168 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
7169 (RTX_COSTS): Tweak. Use addsubcosts.
7170 (ADDRESS_COST): Return higher cost for reg+reg addressing.
7172 2000-09-06 Geoff Keating <geoffk@cygnus.com>
7174 * config/rs6000/rs6000.c (validate_condition_mode): New function.
7175 (branch_comparison_operator): Call validate_condition_mode to
7176 abort rather than returning 0.
7177 (branch_positive_comparison_operator): New function.
7178 (scc_comparison_operator): Call validate_condition_mode to abort
7179 rather than returning 0.
7180 (ccr_bit): Call validate_condition_mode. Update for
7182 (print_operand): Delete %C modifier. Update %E case
7183 to use EQ bit not SO bit.
7184 (rs6000_reverse_condition): New function.
7185 (rs6000_generate_compare): New function.
7186 (rs6000_emit_sCOND): New function.
7187 (rs6000_emit_cbranch): New function.
7188 (output_cbranch): The length of a long branch insn is
7189 now only 8 bytes. Add validate_condition_mode. Use
7190 rs6000_reverse_condition. Remove cror generation.
7192 * config/rs6000/rs6000.h: Update comments.
7193 (PREDICATE_CODES): Add new predicate. Update codes used
7194 by branch_comparison_operator and scc_comparison_operator.
7195 * config/rs6000/rs6000-protos.h: Add prototypes for
7196 new external functions.
7197 * config/rs6000/rs6000.md: Add new scheduling parameters
7198 for cr_logical instructions. Change length of branch
7200 (bCOND patterns): Call rs6000_emit_cbranch.
7201 (sCOND patterns): Call rs6000_emit_sCOND.
7202 (branch patterns): Change lengths to 4.
7203 (cr logical patterns): New.
7205 2000-09-06 Richard Henderson <rth@cygnus.com>
7207 * config/i386/i386.md (call_pop): Fix test for setting
7208 current_function_uses_pic_offset_table.
7209 (call, call_value_pop, call_value): Likewise.
7211 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7213 * timevar.c (timevar_add): Delete.
7214 (timevar_get): Also count time since the selected timer was
7215 last updated. Do not examine the timevar stack if the
7216 selected timer is standalone.
7218 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7220 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
7222 2000-09-05 Jason Merrill <jason@redhat.com>
7224 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
7225 for 'extern' arrays.
7227 2000-09-05 Richard Henderson <rth@cygnus.com>
7229 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
7230 Eliminate final copy from non-trapping case.
7231 (__divdf3, __divsf3): Likewise.
7233 2000-09-05 Richard Henderson <rth@cygnus.com>
7235 * config/ia64/ia64.md (mulhi3): Fix typo last change.
7236 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
7238 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
7240 * Makefile.in: Restructure bootstrap stages to allow clean
7241 restart after failure.
7243 2000-09-05 Richard Henderson <rth@cygnus.com>
7245 * config/ia64.md (movsi and movdi patterns): Allow moves from
7246 8-bit constants to AR registers.
7248 2000-09-05 Richard Henderson <rth@cygnus.com>
7250 * config/ia64/ia64.md (mulhi3): New.
7252 2000-09-05 Richard Henderson <rth@cygnus.com>
7254 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
7255 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
7256 Optimization Guide, minimum latency alternative.
7257 (__moddi3, __udivdi3, __umoddi3): Likewise.
7258 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
7260 2000-09-05 Bruce Korb <bkorb@gnu.org>
7262 * fixinc/fixincl.c (load_file): always read header files
7263 with sizes that are a multiple of the page size.
7264 & use libiberty's getpagesize for determining that.
7266 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
7268 * gcse.c (hash_string_1): Add prototype.
7269 * cse.c (canon_hash_string): Likewise.
7271 2000-09-04 Craig Newell <CraigN@ieee.org>
7273 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
7275 2000-09-04 Andreas Schwab <schwab@suse.de>
7277 * Makefile.in (STAGESTUFF): Remove libgcc.
7278 (stage1-start, stage2-start, stage3-start): Copy the contents of
7279 the libgcc directory explicitly.
7280 (mostlyclean): Clean libgcc.
7282 2000-09-04 Andrew Haley <aph@redhat.com>
7284 * dwarf2out.c: (stack_adjust_offset): New prototype.
7286 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
7288 * combine.c (make_extraction): Fix rtx_cost comparison to
7291 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
7293 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
7294 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
7295 Add '*' to insn pattern name.
7297 2000-09-04 Jakub Jelinek <jakub@redhat.com>
7299 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
7300 use posn - 1 to index into tokens array.
7301 (maybe_paste_with_next): Adjust caller.
7303 2000-09-03 Geoff Keating <geoffk@cygnus.com>
7305 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
7307 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
7308 (REGNO_REG_CLASS): Use symbolic register
7311 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
7313 * arm.c (final_prescan_insn): If the form of a jump insn isn't
7314 recognized, don't try to conditionally execute it.
7316 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
7318 * config/avr/avr.md ("*tablejump_lib"): New pattern.
7319 (call_value_insn): Right length claculation.
7320 (call_insn): Likewise.
7322 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
7324 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
7325 gas_output_limited_string, gas_output_ascii, output_movqi,
7326 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
7327 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
7328 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
7329 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
7330 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
7331 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
7332 Add "const" as needed to remove warnings.
7334 * config/avr/avr.c (avr_override_options, avr_init_once,
7335 function_prologue, function_epilogue, frame_pointer_required_p,
7336 class_likely_spilled_p, order_regs_for_local_alloc,
7337 avr_address_cost, avr_ret_register): Use K&R style arguments.
7338 (initial_elimination_offset, gas_output_limited_string):
7339 Remove ATTRIBUTE_UNUSED from the used arguments.
7340 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
7341 Use local variables src, dest, base to access operands[].
7342 Rename reg_dest to reg_src if that's what it is.
7343 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
7344 constants to LD_REGS if reg_was_0.
7345 (output_reload_insisf): Change arg 3 to insn length and set it.
7346 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
7347 access to 16-bit I/O register pairs.
7348 (avr_address_cost): Lower cost for the above case.
7349 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
7350 may be clobbered, also for LD_REGS.
7351 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
7354 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
7356 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
7357 macro to test_hard_reg_class function.
7358 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
7359 for loading immediate constants to LD_REGS.
7360 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
7363 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
7365 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
7366 * config/avr/libgcc.S: Lost part of the previous patch.
7368 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7370 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
7371 object before calling pthread_mutex_init.
7373 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
7375 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
7376 config/sh/crtn.asm: New files.
7377 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
7378 (crt1.o, crti.o, crtn.o): New targets.
7379 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
7381 * configure: Rebuilt.
7382 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7383 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
7384 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
7385 Undefine for config/elfos.h to redefine.
7386 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
7388 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
7390 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
7391 legitimize_pic_address, output_pic_addr_const): Declare.
7392 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
7393 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
7394 (TARGET_SWITCHES): New switch -mprefergot.
7395 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
7396 (PIC_OFFSET_TABLE_REGNUM): Define.
7397 (GOT_SYMBOL_TABLE): Likewise.
7398 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
7399 (ENCODE_SECTION_INFO): Define.
7400 (FINALIZE_PIC): New macros.
7401 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
7402 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
7403 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
7404 (prepare_move_operands): Call emit_pic_move or
7405 emit_pic_const_move if appropriate.
7406 (output_far_jump): For PIC, use braf and output long offset.
7407 (machine_dependent_reorg):
7408 (sh_expand_prologue): Save and initialize the PIC register.
7409 (sh_expand_epilogue): Restore it.
7410 (initial_elimination_offset): Account for it.
7411 (nonpic_symbol_mentioned_p): New function.
7412 (legitimize_pic_address): Likewise.
7413 (output_pic_addr_const): Likewise.
7414 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
7415 (call, call_value): Use them.
7416 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
7417 symPLT_label2reg): New expands.
7418 * invoke.texi (SH Options): Document -mprefergot.
7420 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
7422 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
7423 * gcse.c (hash_string_1): New function.
7424 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
7425 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
7426 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
7427 (canon_hash_string): New function.
7428 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
7429 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
7430 (fold_rtx): Use ASM_OPERANDS accessor macros.
7431 * emit-rtl.c (copy_insn_1): Likewise.
7432 * integrate.c (copy_rtx_and_substitute): Likewise.
7433 * stmt.c (expand_asm_operands): Likewise. Give an
7434 ASM_OPERANDS rtx the mode of the output reg being set from it.
7436 2000-09-01 Fred Fish <fnf@be.com>
7438 * fix-header.c (write_rbrac): Add putc and getc to list of
7439 functions to protect against prior definition as a macro.
7441 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
7443 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
7444 (c_size_type_node): Define.
7445 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
7446 * c-common.c (enum format_lengths, enum format_std_version,
7447 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
7448 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
7449 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
7450 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
7451 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
7452 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
7453 format_types): Define.
7454 (format_char_info, print_char_table, scan_char_table,
7455 time_char_table): Rearrange for new organization of information
7456 about format length modifiers and standard versions.
7457 (T_ST): Redefine to use c_size_type_node.
7458 (check_format_info): Obtain information about length modifiers and
7459 standard versions from tables. Adjust warning message wordings.
7460 Use the name from the user's program for `ll' and `hh' length
7461 modifiers in warning messages. Use more informative names for
7462 wanted types where available (for wchar_t, wint_t, size_t, signed
7463 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
7465 2000-09-01 Jim Wilson <wilson@cygnus.com>
7467 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
7468 * combine.c (distribute_notes): Handle REG_NORETURN.
7469 * rtl.c (reg_note_name): Add REG_NORETURN.
7470 * rtl.h (enum reg_note): Likewise.
7472 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
7474 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
7475 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
7476 (emit_predicate_relation_info): Handle conditional calls with
7478 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
7479 instead of ia64_file_start.
7480 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
7481 * config/ia64/ia64.md (safe_across_calls_all,
7482 save_across_calls_normal): New patterns.
7484 * loop.c (check_final_value): Check for biv use before checking for
7485 giv use. Check for both biv and giv uses. Always set last_giv_use
7486 if there is a giv use.
7488 2000-09-01 Richard Henderson <rth@cygnus.com>
7490 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
7491 (madddi3): Likewise.
7494 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7496 * expr.c (clear_storage): Don't use emit_move_insn unless
7497 either BLKmode or proper size.
7498 (store_constructor): Don't call clear_storage if REG of wrong size.
7500 * flow.c (init_propagate_block_info): Don't mark frame dead at end
7501 of function if returns wiht stack pointer depressed.
7503 2000-09-01 Andrew Haley <aph@redhat.com>
7505 * dwarf2out.c (stack_adjust_offset): New function.
7506 (dwarf2out_stack_adjust): Break out stack adjust logic into
7507 new stack_adjust_offset function. Look inside parallels and
7508 sequences for stack adjustments.
7510 2000-08-31 Jeff Law <law@cygnus.com>
7512 * arm.md: Use no_new_pseudos to determine when it is safe
7513 to create new pseudo registers.
7515 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
7516 when we can safely allocate new registers.
7518 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
7520 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
7521 so that CONCATs are not generated for ASMs.
7522 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
7523 not generating_concat_p.
7524 * function.c (pop_function_context_from): Reset
7525 generating_concat_p.
7526 (prepare_function_start): Likewise.
7527 * rtl.c (generating_concat_p): Define.
7528 * rtl.h (generating_concat_p): Declare.
7529 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
7531 2000-08-22 Philipp Thomas <pthomas@suse.de>
7532 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
7534 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
7537 2000-08-30 Greg McGary <greg@mcgary.org>
7539 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
7540 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
7541 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
7543 2000-08-30 Greg McGary <greg@mcgary.org>
7545 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
7546 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
7547 (TREE_INT_CST): New macro.
7548 * varasm.c (const_hash, compare_constant_1, record_constant_1):
7549 Use new macro TREE_INT_CST.
7551 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
7553 * contrib.texi: Add self.
7555 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
7557 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
7558 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
7561 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7563 * fixinc/gnu-regex.c: Don't define `const'.
7565 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7567 * expr.c (store_constructor): Allow variable bounds of array type.
7568 (expand_expr): Don't blow up if type is ERROR_MARK.
7569 * varasm.c (output_constructor): Don't access lower bound of array
7570 type unless need it if index is supplied (so it can be a variable
7571 if no index is supplied).
7572 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
7573 Other minor cleanups.
7575 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7577 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
7578 for compilations in stage 1 and subsequent stages, respectively.
7579 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
7580 * configure: Rebuilt.
7581 * x-vax, x-vax-gcc: Deleted.
7583 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7585 * c-common.c (declare_function_name): Use func_id_node,
7586 function_id_node, and pretty_function_id_node. Do not make
7587 __func__ visible at file scope.
7588 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
7589 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
7590 (function_id_node, pretty_function_id_node, func_id_node): New
7592 * c-decl.c (init_decl_processing): Initialize function_id_node,
7593 pretty_function_id_node, and func_id_node.
7594 (c_make_fname_decl): Correct comment.
7596 * tree.h (struct tree_identifier): Constify pointer member.
7598 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
7599 * c-pragma.h (struct weak_syms): Constify name and value members.
7600 (add_weak): Constify arguments.
7602 * calls.c (special_function_p): Constify a char *.
7603 (expand_call): Remove variable which is initialized and then
7605 * dependence.c (struct def_use, struct induction, struct subscript):
7606 Constify 'variable' member.
7607 (get_low_bound, have_induction_variable): Constify char * argument.
7608 (find_induction_variable): Add braces to avoid dangling else.
7609 (classify_dependence): Constify char * arrays.
7610 * profile.c (output_func_start_profiler): Constify a char *.
7611 * stor-layout.c (finalize_record_size): Constify a char *.
7612 * tree.c (is_attribute_p): Constify a char *.
7613 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
7615 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
7616 for comprehensibility. Do not call get_identifier if we did
7617 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
7618 create temporary string constants, not ggc_alloc_string. No
7619 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
7620 char * to hold IDENTIFIER_POINTERs.
7622 2000-08-29 Richard Henderson <rth@cygnus.com>
7624 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
7627 2000-08-29 Richard Henderson <rth@cygnus.com>
7629 * reload.c (push_secondary_reload): Allow class == reload_class
7630 if we're using a reload_in/out pattern.
7632 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
7633 the half that does not conflict with the reload register.
7634 (reload_outti): Likewise.
7636 2000-08-29 Kazu Hirata <kazu@hxi.com>
7638 * reload.c: Fix formatting.
7640 * stmt.c: Fix formatting.
7642 * gcc.c: Fix formatting.
7644 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7646 * flags.h (time_report, mem_report): New global flags.
7647 * toplev.c: Define time_report and mem_report.
7648 (f_options): Add -ftime-report and -fmem-report.
7649 (compile_file): Turn on time_report if quiet_flag is off.
7650 Call ggc_print_statistics at very end if mem_report is on.
7651 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
7653 * ggc-common.c (ggc_print_statistics): Rename to
7654 ggc_print_common_statistics; all callers changed. Scale
7655 quantities above 10K to kilobytes and above 10M to megabytes.
7656 * ggc-page.c (ggc_page_print_statistics): Rename to
7657 ggc_print_statistics. Report memory consumed by internal data
7658 structures for each allocation bucket. Scale quantities above
7659 10K to kilobytes and above 10M to megabytes.
7660 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
7661 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
7662 Define tally_leaves always.
7663 (ggc_print_statistics): New function.
7664 * ggc.h: Adjust for renamed functions.
7666 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
7668 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
7669 output_movsisf instead of which_alternative.
7671 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
7673 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
7675 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
7676 (avr_progmem_p): New prototype.
7677 (output_movsisf): Prototype declaration changed.
7678 (output_movqi): New prototype.
7679 (output_movhi): New prototype.
7680 (call_insn_operand): Likewise.
7681 (final_prescan_insn): Likewise.
7682 (avr_simplify_comparision_p): Likewise.
7683 (avr_normalize_condition): Likewise.
7684 (compare_eq_p): Likewise.
7685 (out_shift_with_cnt): Likewise.
7686 (const_int_pow2_p): Likewise.
7687 (output_reload_inhi): Prototype declaration changed.
7689 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
7690 (ldi_reg_rtx): New. rtx for r31.
7691 (avr_init_stack): Initialize as "__stack".
7692 (function_prologue): Use it.
7693 Replace all TARGET_ENHANCED with AVR_ENHANCED.
7694 (avr_mcu_name): Initialize as "avr2".
7695 (avr_enhanced_p, avr_mega_p): New variables.
7696 (mcu_types, avr_override_options): Handle all known MCU types.
7697 Also handle avr1 (only preprocess, assemble and link).
7698 (print_operand): Using of `%K' in output template removed.
7699 (out_movqi_r_mr): Optimized.
7700 (out_movhi_r_mr): Likewise.
7701 (output_movqi): New function.
7702 (output_movhi): Likewise.
7703 (out_movsi_r_mr): Optimized.
7704 (output_movsisf): Compute insn length for `adjust_insn_length'
7705 (out_movqi_mr_r): Optimized.
7706 (out_movhi_mr_r): Optimized.
7707 (adjust_insn_length): Use output_movsisf, output_movqi,
7708 output_movhi for insn length adjusting.
7709 (reg_unused_after): Use dead_or_set_p.
7710 (preferred_reload_class): Now havn't any restriction.
7711 (reg_was_0): New function.
7712 (io_address_p): Likewise.
7713 (const_int_pow2_p): Likewise.
7714 (output_reload_inhi): Likewise.
7715 (output_reload_insisf): Likewise.
7717 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
7718 (LIB_SPEC): Use -lc for all supported devices.
7719 (LIBGCC_SPEC): Use -lgcc for all supported devices.
7720 (AVR_MEGA): Define as avr_mega_p.
7721 (AVR_ENHANCED): New, define as avr_enhanced_p.
7722 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
7723 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
7724 (CRT_BINUTILS_SPECS): Handle all known MCU types.
7725 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
7726 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
7727 (ASM_SPEC): Pass -mmcu=... to the assembler.
7728 Change all -DAVR_* to -D__AVR_*__.
7729 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
7730 Rename library functions to start with two underscores.
7731 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
7733 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
7734 (SUPPORTS_WEAK): Likewise.
7735 (LDI_REG_REGNO): New. Register r31 will be used as temporary
7736 register for loading constants to r0-r14.
7738 * config/avr/avr.md: Replace all TARGET_ENHANCED with
7740 (*mov_r_sp): Removed. Handled by output_movhi.
7741 (*mov_sp_r): Likewise.
7742 (*mov_sp_r_no_interrupts): Likewise
7743 (*mov_sp_r_tiny): Likewise.
7744 (*movqi): Use output_movqi.
7745 (*reload_inqi): New.
7746 (*movhi): Use output_movhi.
7747 (*reload_inhi): New.
7748 (*negsi2): Optimized.
7749 (*negsf2): Likewise.
7750 Added peepholes (define_peephole2) for loading constants to r0-r14
7751 and for using `cpse' command.
7753 * config/avr/libgcc.S: Rename library functions to start with two
7755 Add support for enhanced core.
7756 (_moqhi3): Fix typo, now _modqi3.
7757 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
7758 (__prologue_saves__): Remove test for stack adjust by 0.
7759 (__tablejump__): New.
7761 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
7762 Add multilib support.
7764 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
7766 * loop.c (prescan_loop): Don't check unknown_address_altered
7767 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
7768 to loop_store_mems as necessary.
7769 (loop_invariant_p): Don't check unknown_address_altered
7770 or unknown_constant_address_altered.
7772 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7774 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
7776 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7778 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
7779 print just the filename.
7780 * cpplex.c (_cpp_run_directive): Add additional argument, the
7781 name to give the synthetic buffer. This defaults to
7782 translated "<command line>".
7783 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
7785 (_cpp_define_builtin): New function.
7786 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
7787 * cpphash.h: Update prototypes.
7789 * tradcpp.c (main): Process -D and -U simultaneously, in the
7790 order they appeared on the command line.
7792 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7794 * c-decl.c (define_label): Call warning_with_file_and_line and
7795 error_with_file_and_line instead of plain warning or error.
7797 * c-parse.in (label): Use save_filename/save_lineno to ensure
7798 correct values for calls to define_label.
7800 2000-08-29 Mark Mitchell <mark@codesourcery.com>
7802 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
7804 * expr.c (expand_expr, case TARGET_EXPR): Don't call
7806 * tree.h (get_file_function_name): Remove two duplicate
7809 2000-08-28 Kazu Hirata <kazu@hxi.com>
7811 * tree.c: Fix formatting.
7813 * xcoffout.c: Fix formatting.
7815 2000-08-28 Jason Merrill <jason@redhat.com>
7817 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
7819 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7821 * dwarf2out.c (dwarf2out_finish): Don't bother calling
7822 break_out_includes if it won't do anything.
7824 2000-08-28 Richard Henderson <rth@cygnus.com>
7826 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
7827 (find_reloads): Likewise.
7828 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
7829 (reload_inhi): Likewise.
7831 2000-08-28 Richard Henderson <rth@cygnus.com>
7833 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
7834 (call_insn_operand): Don't expect a surrounding mem.
7835 (constant_call_address_operand): Likewise.
7836 * config/i386/i386.h (PREDICATE_CODES): Update.
7837 * config/i386/i386.md (call patterns): Move the match_operand
7838 for the call destination inside the mem.
7840 2000-08-28 Richard Henderson <rth@cygnus.com>
7842 * local-alloc.c (requires_inout): Don't use reserved range for
7843 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
7844 * recog.c (asm_operand_ok): Likewise.
7845 (preprocess_constraints, constrain_operands): Likewise.
7846 * regclass.c (record_reg_classes): Likewise.
7847 * reload.c (find_reloads): Likewise.
7848 * reload1.c (maybe_fix_stack_asms): Likewise.
7849 (reload_cse_simplify_operands): Likewise.
7850 * stmt.c (expand_asm_operands): Likewise.
7852 * md.texi: Update constraints documentation.
7853 * tm.texi (EXTRA_CONSTRAINT): Update.
7855 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7857 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
7858 (print_die): If we don't know the offset of the
7859 target die, try the symbol. Add a trailing newline.
7860 (reverse_all_dies): New fn.
7861 (dwarf2out_finish): Call it.
7862 (break_out_includes): Reorganize for clarity.
7863 (add_sibling_attributes): Don't call reverse_die_lists.
7864 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
7866 * flags.h: Add flag_eliminate_dwarf2_dups.
7867 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
7869 2000-08-28 Jason Merrill <jason@redhat.com>
7871 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
7872 * dwarf2out.c: #include "md5.h".
7873 (DIE_LABEL_PREFIX): New macro.
7874 (dw_val_struct): Add 'external' flag to val_die_ref.
7875 (add_AT_die_ref, AT_ref): Adjust.
7876 (AT_ref_external, set_AT_ref_external): New fns.
7877 (build_abbrev_table): Call set_AT_ref_external.
7878 (value_format): Call AT_ref_external.
7879 (die_struct): Add die_symbol field.
7880 (new_die): Clear it.
7881 (dwarf_tag_name): Handle BINCL/EINCL.
7882 (dwarf2out_start_source_file): Add BINCL DIE.
7883 (dwarf2out_end_source_file): Add EINCL DIE.
7884 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
7885 (loc_checksum, attr_checksum, die_checksum): New fns.
7886 (is_type_die, is_comdat_die, is_symbol_die): New fns.
7887 (compute_section_prefix, assign_symbol_names): New fns.
7888 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
7889 (output_die): Call output_die_symbol and AT_ref_external.
7890 (output_comdat_comp_unit): New fn, split out from...
7891 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
7893 (output_pubnames, output_aranges): Abort if we see entries from
7895 * toplev.h: Declare file_name_nondirectory.
7896 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
7897 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
7898 (debug_start_source_file): Call dwarf2out_start_source_file
7899 regardless of debug verbosity.
7900 (debug_end_source_file): Similarly.
7901 * tree.h: Declare clean_symbol_name.
7902 * tree.c (clean_symbol_name): Split out from...
7903 (get_file_function_name_long): ...here.
7905 * dwarf2out.c (new_loc_descr): Use calloc.
7906 (splice_child_die): Remove the die from the right parent.
7907 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
7909 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7911 * toplev.c (decode_g_option): Don't give warning for unknown -g
7912 option; return 0 instead.
7913 (main): If -g option is not recognized by front end or
7914 language-independent code, give warning.
7916 2000-08-28 Greg McGary <greg@mcgary.org>
7918 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
7919 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
7920 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
7922 2000-08-27 Greg McGary <greg@mcgary.org>
7924 * cpplex.c (parse_string): Don't look for backslash
7925 before first char in `namebuf'.
7926 * loop.c (strength_reduce): Skip NOTEs.
7928 2000-08-27 Jason Merrill <jason@redhat.com>
7930 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
7931 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
7932 TREE_ASM_WRITTEN, either.
7933 (finish_decl): Adjust.
7935 2000-08-28 Philipp Thomas <pthomas@suse.de>
7937 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
7938 they have been incorporated into the gettext CVS. Change the text to
7939 reflect the current status of NLS. Add instructions for accessing
7940 the gettext CVS and add the patch from Martin v. Loewis.
7942 2000-08-27 Geoff Keating <geoffk@cygnus.com>
7944 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
7945 by using gen_lowpart_common.
7946 (movdi_internal64+6): Likewise.
7948 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
7950 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
7953 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
7954 numbers to the ranges used by GDB.
7956 2000-08-25 Richard Henderson <rth@cygnus.com>
7958 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
7959 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
7960 (ia64_expand_prologue): Likewise.
7961 (ia64_setup_incoming_varargs): Set it. Properly skip the current
7962 argument for stdargs.
7964 2000-08-25 Jason Merrill <jason@redhat.com>
7966 * integrate.c (expand_inline_function): Pull out the original decl.
7968 2000-08-25 Jim Wilson <wilson@cygnus.com>
7970 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
7972 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
7974 2000-08-25 Greg McGary <greg@mcgary.org>
7976 * flow.c (dump_edge_info): Use ARRAY_SIZE.
7977 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
7979 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
7981 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
7983 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
7985 * i386.c (ix86_find_base_term): New.
7986 * i386-protos.h (ix86_find_base_term): Prototype.
7987 * i386.h (FIND_BASE_TERM): Define.
7988 * alias.c (find_base_term): Use it.
7989 * tm.texi (FIND_BASE_TERM): Document it.
7991 * alias.c (true_dependence, write_dependence_p): Unchanging
7992 memory can't conflict with non-unchanging memory.
7994 * alias.c (memrefs_conflict_p): A BLKmode reference
7995 to a symbol (or CONST_INT address) always conflicts
7996 with a reference to another symbol.
7998 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
8000 * c-common.c (time_char_table): Don't allow width and flags with
8003 2000-08-25 Jakub Jelinek <jakub@redhat.com>
8005 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
8006 way as LT and LTU when the second operand has 0 in low word.
8008 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8010 * basic-block.h (struct loop): Rename `exits' field to
8011 `exit_edges'. Add `entry_edges' and `num_entries' fields.
8013 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
8014 (flow_loop_entry_edges_find): Add.
8015 (flow_edge_list_print): Rename from flow_exits_print.
8016 (flow_loops_find): Call flow_loop_entry_edges_find.
8017 (flow_loop_dump): Dump entry_edges list.
8018 (flow_loops_free): Free entry_edges.
8020 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8022 * loop.c (loop_dump_aux, debug_loop): New functions.
8023 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
8025 * flow.c (flow_loops_dump): Add callback parameter.
8026 (flow_loop_dump): Add callback parameter and call it. Move
8027 loop note debugging code to loop_dump_aux.
8029 * basic-block.h (flow_loop_dump): Add callback parameter
8030 (flow_loops_dump): Likewise.
8032 * toplev.c (rest_of_compilation): Add NULL callback function pointer
8033 to call to flow_loops_dump.
8035 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8037 * loop.c (count_loop_regs_set): Replace start and end arguments
8038 with loop argument. All callers udated.
8040 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8042 * loop.c (constant_high_bytes): Delete.
8044 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8046 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
8047 and NOTE_INSN_LOOP_VTOP to...
8048 (find_and_verify_loops) ...here.
8050 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
8052 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
8053 (fini_dummy, init_dummy): Use it.
8055 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
8057 * cpplex.c (is_macro_disabled): Caller has already checked
8058 that we're not a preprocessed file.
8060 2000-08-24 Mark Mitchell <mark@codesourcery.com>
8062 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
8063 (c-iterate.o): Remove target.
8064 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
8065 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
8066 (finish_decl): Don't handle iterators.
8067 (grokdeclarator): Likewise.
8068 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
8069 * gcc/c-gperf.h: Regenerated.
8070 * gcc/c-iterate.c: Removed.
8071 * gcc/c-lex.c (init_lex): Don't handle iterators.
8072 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
8073 (compstmt_primary_start): Remove push_iterator_stack call.
8074 (stmt): Don't allow iterator statements. Replace iterator_expand
8075 with expand_expr_stmt.
8076 (all_iter_stmt): Remove.
8077 (all_iter_stmt_simple): Likewise.
8078 (all_iter_stmt_with_decl): Likewise.
8079 * gcc/c-tree.h (ITERATOR_P): Remove.
8080 (ITERATOR_BOUND_P): Likewise.
8081 (init_iterators): Remove declaration.
8082 (iterator_expand): Likewise.
8083 (iterator_for_loop_start): Likewise.
8084 (iterator_for_loop_end): Likewise.
8085 (iterator_for_loop_record): Likewise.
8086 (push_iterator_stack): Likewise.
8087 (pop_iterator_stack): Likewise.
8088 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
8089 (readonly_warning): Likewise.
8090 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
8092 2000-08-24 Jim Wilson <wilson@cygnus.com>
8094 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
8095 Copy type in a TYPE_DECL, just like pushdecl does.
8097 2000-08-24 Richard Henderson <rth@cygnus.com>
8099 * toplev.c (main): Enable flag_reorder_blocks at -O2.
8101 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
8103 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
8104 asked for one page, allocate GGC_QUIRE_SIZE of them and put
8105 the extras on the free list.
8106 (release_pages): Clean up.
8107 (ggc_set_mark): Don't adjust G.allocated here...
8108 (sweep_pages): ... do it here.
8110 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
8112 * cppfiles.c (read_include_file): Rearrange initializations.
8114 2000-08-24 Richard Henderson <rth@cygnus.com>
8116 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
8118 * config/ia64/ia64-protos.h: Update.
8119 * config/ia64/ia64.c (gr_register_operand): New.
8120 (fr_register_operand, grfr_register_operand): New.
8121 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
8122 (grfr_reg_or_8bit_operand): New.
8123 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
8124 use gr_register_operand.
8125 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
8126 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
8127 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
8128 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
8129 (fr_reg_or_fp01_operand): Likewise.
8130 (not_postinc_memory_operand): New.
8131 (ia64_split_timode): Remove unused variables.
8132 (rtx_needs_barrier): Check arguments to cmpxchg.
8133 (builtin_description): Remove.
8134 (bdesc_2argsi, bdesc_2argdi): Remove.
8135 (ia64_init_builtins): Declare all builtins directly.
8136 (ia64_expand_fetch_and_op): Rewrite to be called from
8137 ia64_expand_builtin directly. Use expand_binop and co.
8138 (ia64_expand_op_and_fetch): Likewise.
8139 (ia64_expand_compare_and_swap): Likewise.
8140 (ia64_expand_binop_builtin): Remove.
8141 (ia64_expand_lock_test_and_set): New.
8142 (ia64_expand_lock_release): New.
8143 (ia64_expand_builtin): Use them.
8144 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
8145 (EXTRA_CONSTRAINT): Use it.
8146 (PREDICATE_CODES): Update.
8147 * config/ia64/ia64.md (*): Use gr_register_operand and co.
8148 (mf): Indicate that we set memory as well as use it.
8149 (fetchadd_acq_si): Show memory being modified as well.
8150 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
8151 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
8152 (lock_test_and_set_si, lock_test_and_set_di): Remove.
8153 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
8154 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
8155 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
8156 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
8157 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
8158 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
8159 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
8160 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
8161 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
8162 return type. Pretty print definitions.
8164 2000-08-24 Jim Wilson <wilson@cygnus.com>
8166 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
8167 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
8169 2000-08-24 Jason Merrill <jason@redhat.com>
8171 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
8172 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
8173 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
8174 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
8176 2000-08-24 Greg McGary <greg@mcgary.org>
8178 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
8179 and extendtab within their proper array boundaries.
8180 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
8181 for the entire array.
8183 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
8184 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
8185 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
8186 * config/fr30/fr30.c (fr30_print_operand): Likewise.
8187 * config/i386/dgux.c (output_options): Likewise.
8188 * config/i386/dgux.h (ASM_FILE_START): Likewise.
8189 * config/m88k/m88k.c (output_options): Likewise.
8190 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
8191 * config/mcore/mcore.c (mcore_output_inline_const_forced,
8192 layout_mcore_frame, handle_structs_in_regs): Likewise.
8193 * config/mips/mips.c (output_block_move): Likewise.
8194 * config/rs6000/rs6000.c (rs6000_override_options,
8195 rs6000_file_start): Likewise.
8196 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
8197 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
8198 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
8199 * builtins.c (expand_builtin_setjmp): Likewise.
8200 * expr.c (safe_from_p): Likewise.
8201 * flow.c (life_analysis): Likewise.
8202 * fold-const.c (size_int_type_wide): Likewise.
8203 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
8204 * genattrtab.c (make_length_attrs): Likewise.
8205 * genopinit.c (gen_insn): Likewise.
8206 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
8207 * global.c (global_alloc): Likewise.
8208 * local-alloc.c (find_free_reg): Likewise.
8209 * mips-tdump.c (print_symbol): Likewise.
8210 * mips-tfile.c (parse_def, parse_input): Likewise.
8211 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
8212 * stmt.c (expand_nl_goto_receiver): Likewise.
8213 * stor-layout.c (set_sizetype): Likewise.
8214 * varasm.c (decode_reg_name): Likewise.
8215 * toplev.c (decode_f_option, decode_W_option,
8216 set_target_switch, print_switch_values): Likewise.
8217 (NUM_ELEM): Remove macro.
8218 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
8220 2000-08-24 Greg McGary <greg@mcgary.org>
8222 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
8223 (MAIN_NAME_P, main_identifier_node): New macros.
8224 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
8225 * c-decl.c (start_decl, grokdeclarator, start_function,
8226 store_parm_decls, finish_function): Use MAIN_NAME_P.
8227 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
8228 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
8229 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
8230 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
8232 2000-08-24 Greg McGary <greg@mcgary.org>
8234 * cppfiles.c (actual_directory): Don't write beyond `dir'
8235 when it contains "".
8236 * real.c (asctoeg): Stay within bounds of etens[][].
8238 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8240 * dependence.c (dependence_string, direction_string,
8241 dump_one_node, dump_node_dependence): Hide unused identifiers.
8242 (get_low_bound, normalize_coefficients): Match definition to
8244 (get_one_coefficient): Initialize variables `value0_is_idx' and
8246 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
8247 (ziv_test): Delete variable `idx', use parameter `sub' instead.
8248 (direction_merge): Avoid automatic aggregate initialization.
8249 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
8250 Initialize variables `dest_idx' and `src_idx'.
8251 (end_dependence_analysis): Avoid C89 style function definition.
8253 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
8255 * c-common.c (time_char_table): Don't allow width with %F.
8256 (check_format_info): Don't allow "Z" length with scanf.
8258 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
8260 * diagnostic.c (finish_diagnostic): Define.
8261 (output_do_printf): Use wrap_text instead of output_add_string.
8262 (default_print_error_function): Avoid embedded '\n'.
8264 * diagnostic.h (flush_diagnostic_buffer): Declare.
8266 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
8268 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
8270 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
8272 * Makefile.in (GCC_PASSES): Add specs.
8274 2000-08-23 Jim Wilson <wilson@cygnus.com>
8276 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
8277 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
8278 EHANDLER nor UHANDLER bit is set.
8279 (__get_except_table): Likewise.
8281 2000-08-23 Nick Clifton <nickc@redhat.com>
8283 * config/arm/lib1funcs.asm: Replace upper case condition codes
8284 with lower case versions.
8286 * config/arm/arm.h (STRUCT_VALUE): Define.
8287 (STRUCT_VALUE_REGNUM): Delete.
8289 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
8291 * cpphash.h (IN_I): New flag for directive table.
8292 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
8294 (_cpp_check_directive): If -fpreprocessed, execute directives
8295 marked with IN_I. Issue no warnings in this case.
8296 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
8298 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
8300 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
8302 (check_format_info): Support printf 'I' flag; warn about it with
8305 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
8307 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
8308 barrier can't be ignored by the alias analysis code.
8310 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
8312 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
8313 works inside fixincl.
8315 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
8317 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
8318 simplify_relational_operation() unless both operands are of
8320 * cse.c (fold_rtx): Likewise.
8322 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
8324 * rtlanal.c (rtx_unstable_p): The pic register is stable
8325 (within one function) and the actual rtx should be used
8326 when checking the registers.
8327 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
8329 * alias.c (true_dependence, write_dependence_p): Fix
8330 bug in previous patch.
8332 * i386.c (ix86_GOT_alias_set): New.
8333 (legitimize_pic_address): Use it.
8335 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
8336 only stable if its address is stable.
8337 (rtx_varies_p): An unchanging MEM can't vary if
8338 its address doesn't vary.
8340 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8342 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
8344 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8346 * vax.h (ASM_SPEC): Pass `-J' to assembler.
8347 * x-vax-gcc: New file for bootstrapping with gcc.
8348 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
8349 * configure.in: Use x-vax-gcc with gcc.
8350 * configure: Rebuilt.
8352 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8354 * toplev.c (rest_of_compilation): Rebuild label notes after
8355 post-reload splitting pass if new labels have been created.
8357 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
8359 * diagnostic.h (output_buffer_state): New macro.
8360 * diagnostic.c (diagnostic_for_decl, sorry,
8361 default_print_error_function, output_do_verbatim,
8362 report_diagnostic, report_problematic_module): Use it.
8364 (output_format): Use wrap_text instead of maybe_wrap_text.
8366 2000-08-22 Nick Clifton <nickc@redhat.com>
8368 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
8369 Common code for ARM divide and modulus functions.
8370 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
8372 (FUNC_END): New macro: Common code at the end of the division and
8374 (THUMB_FUNCTION_START): New macro: Common code at the start of
8376 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
8378 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
8380 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
8382 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
8383 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
8386 2000-08-22 Nick Clifton <nickc@redhat.com>
8388 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
8389 restorative additions, test for bottom bits of IP being set,
8390 rather than relying upon the RORs not matching.
8393 2000-08-22 David Edelsohn <edelsohn@gnu.org>
8395 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
8396 text_section() as appropriate instead of emitting text csect
8398 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
8399 (UNIQUE_SECTION): Define macro.
8400 (ASM_OUTPUT_SECTION_NAME): Define macro.
8401 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
8402 on AIX if debugging and -fdata-sections always.
8404 2000-08-22 Steven King <sxking@uswest.net>
8406 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
8408 (LDBL_MAX): Same here.
8410 2000-08-22 Richard Henderson <rth@cygnus.com>
8412 * flow.c (tidy_fallthru_edge): Update b->end properly.
8414 2000-08-22 Stan Cox <scox@redhat.com>
8416 * Makefile.in (OBJS): Add dependence.o.
8417 * dependence.c: New file.
8419 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
8421 * calls.c (check_sibcall_argument_overlap_1): Adjust for
8423 (check_sibcall_argument_overlap): Likewise.
8425 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
8427 * invoke.texi (SH Options): Document -m4-nofpu,
8428 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
8429 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
8431 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
8433 * c-common.c (check_format_info): Give the 'some locales' warning
8434 for strftime %Ey rather than the unconditional 'only last 2 digits
8437 2000-08-22 Richard Henderson <rth@cygnus.com>
8439 * alias.c (init_alias_analysis): Do not register
8440 struct_value_incoming_rtx or static_chain_rtx as pointing
8443 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
8445 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
8447 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
8449 * diagnostic.h (report_problematic_module): Declare.
8450 * diagnostic.c (report_problematic_module): New function.
8451 (report_error_function): Tweak.
8453 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8455 * stmt.c (expand_goto_internal, fixup_gotos): Only check
8456 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
8458 2000-08-21 Richard Henderson <rth@cygnus.com>
8460 * flow.c (calculate_global_regs_live): Mark frame pointer live
8461 everywhere before reload.
8463 2000-08-21 Jim Wilson <wilson@cygnus.com>
8465 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
8466 INTEL_EXTENDED_IEEE_FORMAT.
8467 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
8468 clear last two bytes of output FP value.
8470 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
8472 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
8474 2000-08-21 Jakub Jelinek <jakub@redhat.com>
8476 * unroll.c (loop_find_equiv_value): If ret is modified between
8477 insn and loop_start, ret might not be equivalent to reg.
8479 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8481 * c-common.c (init_dollar_format_checking,
8482 maybe_read_dollar_number, finish_dollar_format_checking): New
8484 (dollar_arguments_used, dollar_arguments_count,
8485 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
8487 (check_format_info): Support $ formats for scanf and printf width
8488 and precision. Always increment format_chars to advance past the
8489 '*' of precision, not just when the format parameters are
8492 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8494 * mips.c (block_move_loop, expand_block_move,
8495 function_arg_partial_nregs, save_restore_insns, function_prologue,
8496 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
8498 (function_arg_advance, function_arg): Match argument to format
8501 2000-08-21 Nix <nix@esperi.demon.co.uk>
8503 * gcc.c (do_spec_1): Implement %j spec flag.
8504 Remove dead comment.
8506 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
8507 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
8508 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
8509 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
8511 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
8512 writable) instead of hardcoded value.
8514 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
8516 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
8519 * gcc.c (cc1_options): Do not process -o or run the assembler if
8521 * objc/lang-spec.h: Likewise.
8523 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
8525 * fixinc/fixincl.c (fix_with_system): Pipe the output of
8526 "external" fixes through `cat', to avoid truncating the input
8527 file by redirection.
8529 2000-08-21 Jakub Jelinek <jakub@redhat.com>
8531 * config/i386/i386.md (lea_general_1): Copy insn condition to split
8533 (lea_general_2, lea_general_3): Likewise.
8535 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8537 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
8538 warnings to user code.
8540 * c-lex.c (readescape, yylex): Likewise.
8542 * c-typeck.c (store_init_value, process_init_element): Likewise
8543 (c_expand_start_case): Format.
8545 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
8547 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
8549 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
8550 and linker_endian_spec to endian_spec.
8551 (ENDIAN_SPEC): Add %{EB} and %{EL}.
8552 (LINK_SPEC): Remove %{EB} and %{EL}.
8553 (ASM_SPEC): Likewise. Use %(endian_spec).
8555 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8557 * c-tree.h (flag_hosted): Move declaration from here...
8558 * c-common.h (flag_hosted): ... to here.
8559 (flag_noniso_default_format_attributes): New declaration.
8560 * c-decl.c (flag_noniso_default_format_attributes): New variable.
8561 (c_decode_option): Set it appropriately for options choosing
8562 language standard variant.
8563 * c-common.c (init_function_format_info): Only provide default
8564 format attributes if flag_hosted. Only provide the gettext
8565 formats if flag_noniso_default_format_attributes. Update
8567 (check_format_info): Disable treatment of %a as a scanf flag in
8570 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8572 * c-common.c (scan_char_table): Add 'w' to flags for all formats
8574 (check_format_info): Set 'wide' for scanf format widths. Warn for
8575 a zero scanf width. Make the check for writing into a constant
8576 object at the first level of indirection; at later levels, warn if
8577 any type qualifiers are encountered.
8579 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
8581 * reload.c (reload_inner_reg_of_subreg): New function broken out of
8583 (push_reload): Use reload_inner_reg_of_subreg.
8584 (combine_reloads): Do not combine reloads if the input reload
8585 is a SUBREG in which the inner part will need reloading.
8587 * global.c (global_alloc): Avoid passing dumpfile argument to
8589 * toplev.c (rest_of_compilation): Likewise.
8590 * reload.h (reload): Remove dumpfile argument. Callers changed.
8591 (debug_reload, debug_reload_to_stream): Move prototypes here.
8592 * rtl.h (reload): Remove dumpfile argument.
8593 * reload.c (debug_reload): Remove prototype.
8594 (debug_reload_to_stream): Likewise.
8595 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
8598 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8600 * diagnostic.c (context_as_prefix): Export.
8601 (need_error_newline): Remove.
8602 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
8603 (error_module_changed, record_last_error_module,
8604 error_function_changed, record_last_error_function): New functions.
8605 (initialize_diagnostics): Default intialize
8606 lang_diagnostic_starter, lang_diagnostic_finalizer.
8607 (init_output_buffer): Tweak.
8608 (file_name_as_prefix): New function.
8609 (announce_function, default_print_error_function,
8610 report_error_function, set_diagnostic_context): Tweak.
8612 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
8614 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
8615 condition expression.
8617 2000-08-20 Richard Henderson <rth@cygnus.com>
8619 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
8621 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
8623 * cppinit.c (cpp_init): Set global flag when called.
8624 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
8626 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
8628 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
8629 before `process_directive' so that newlines won't be missed
8631 (cpp_printf): Increment `print->lineno' when newline is emitted.
8633 * cppmain.c (cb_ident): Likewise.
8634 (cb_define): Likewise.
8635 (cb_undef): Likewise.
8636 (cb_include): Likewise.
8637 (cb_def_pragma): Likewise.
8638 (dump_macros_helper): Likewise.
8640 2000-08-20 Richard Henderson <rth@cygnus.com>
8642 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
8643 assigned before a loop.
8645 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
8646 (ashrsi3, lshrsi3): Likewise.
8648 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
8650 * c-lang.c: #include diagnostic.h
8651 (c_tree_printer): New function.
8652 (lang_init): Initialize lang_printer.
8654 * Makefile.in (c-lang.o): Depends on diagnostic.h
8656 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
8658 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
8660 * diagnostic.c (default_diagnostic_starter,
8661 default_diagnostic_finalizer): New functions.
8662 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
8663 (pedwarn, pedwarn_with_file_and_line, error,
8664 error_with_file_and_line, fatal, warning,
8665 warning_with_file_and_line): Adjust call to report_diagnostic.
8666 (report_diagnostic): Rework.
8667 (set_diagnostic_context): New function.
8669 * diagnostic.h (struct diagnostic_context): New data structure.
8670 (diagnostic_message, diagnostic_argument_list,
8671 diagnostic_file_location, diagnostic_line_location,
8672 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
8673 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
8674 (set_diagnostic_context): Declare.
8675 (report_diagnostic): Change prototype.
8677 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
8679 * fix-header.c (main): Initialize cpplib.
8681 2000-08-19 Michael Meissner <meissner@redhat.com>
8683 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
8684 instructions in it before checking for indirect jumps.
8686 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
8687 in a indirect jump as a potential for conditional execution.
8689 * d30v.h (d30v_init_expanders): Don't declare here.
8690 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
8693 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
8695 * cpp.texi: Add @section for assertions.
8697 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
8699 * loop.c (scan_loop): Use CONST_CALL_P instead of
8700 checking for REG_LIBCALL / REG_RETVAL.
8702 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
8704 * reload1.c (reload_as_needed): Accept dumpfile argument,
8705 pass it to emit_reload_insns.
8706 (emit_reload_insns): Add new dumpfile argument. If non-null
8707 then dump the reloads for each insn into the dumpfile.
8708 (reload): Pass dumpfile to reload_as_needed.
8710 * invoke.texi: Clean up linux-gnu vs linux comments.
8712 2000-08-19 Richard Henderson <rth@cygnus.com>
8714 * config/ia64/ia64.c (reg_or_5bit_operand): New.
8715 (ia64_depz_field_mask): New.
8716 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
8717 (PREDICATE_CODES): Update.
8718 * config/ia64/ia64.md: Update commentary.
8719 (depz_internal): New.
8720 (ashlsi3): Implement directly.
8721 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
8722 (ashldi3): Use shladd.
8723 * config/ia64/ia64-protos.h: Update.
8725 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8727 * toplev.c (independent_decode_option): Always process -g.
8728 Remove third argument, now unused. Adjust caller to match.
8730 2000-08-18 Richard Henderson <rth@cygnus.com>
8732 * combine.c (make_compound_operation): Break after creating
8735 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8737 * cpplib.c (cpp_register_pragma_space): Just return if the
8738 namespace is already registered.
8740 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
8742 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
8743 constant amount. Do not generate ROTL instruction.
8745 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
8747 * config/sh/elf.h: Do not include sh/sh.h.
8748 * config/sh/rtems.h: Likewise.
8749 * config/sh/rtemself.h: Do not include sh/elf.h.
8750 * configure.in: Get them included with `tm_file's.
8751 * configure: Rebuilt.
8753 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
8754 * config/sh/sh.c (fpscr_set_from_mem): Use them.
8756 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8758 * stor-layout.c (compute_record_type): Don't use mode of single
8759 field as mode of record if not integer mode of same type.
8761 * regmove.c (perhaps_ends_bb_p): New function.
8762 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
8763 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
8764 (fixup_match_1): Likewise.
8765 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
8766 avoid signed/unsigned warnings.
8768 * function.c (fixup_var_refs_1, case MEM): Update CODE after
8771 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
8773 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
8774 (_cpp_trigraph_map): Declaration moved from cpplex.c
8776 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
8777 instead of 256. Use consistent test for designated initializers.
8778 (cpp_init): Initialize trigraph_map.
8779 (initialize_standard_includes, parse_option): Use memcmp
8782 * cpplex.c (init_trigraph_map): Remove.
8783 (trigraph_ok, trigraph_replace, lex_line): Refer to
8786 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
8787 (do_unassert): Remove unused "next" local.
8789 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
8791 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
8793 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
8796 2000-08-17 Richard Henderson <rth@cygnus.com>
8798 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
8799 the first insn in a sequence.
8801 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
8803 * alias.c (true_dependence, write_dependence_p): A read
8804 involving a label_ref or the constant pool doesn't create
8807 * rtl.h (unchanging): Improve documentation.
8809 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
8811 * cse.c (insert_regs): Remove unused `regno'.
8813 2000-08-17 Neil Booth <NeilB@earthling.net>
8815 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
8816 remove_dup_dirs. If qtail == brack, remove brack not
8818 (remove_dup_dir, remove_dup_dirs): New functions.
8820 2000-08-17 Neil Booth <NeilB@earthling.net>
8822 * cppinit.c (cpp_cleanup): Free include dir chains.
8823 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
8824 (do_unassert): Free the assert with _cpp_free_definition.
8825 * cppmacro.c (_cpp_free_definition): Free memory allocated for
8826 assertions. Make the node a T_VOID node.
8828 2000-08-17 Neil Booth <NeilB@earthling.net>
8830 * cppinit.c (path_include, append_include_chain):
8831 Remove 2nd parameter (struct cpp_pending *).
8832 (path_include, initialize_standard_includes, cpp_handle_option):
8833 Update callers appropriately.
8834 (cpp_handle_option): Use pend.
8836 2000-08-17 Neil Booth <NeilB@earthling.net>
8838 * cppinit.c (sort_options): Remove, put functionality in
8841 (initialize_builtins): Free memory.
8842 (cpp_start_read): Move init_IStable to cpp_init.
8844 * cpplib.h (cpp_init): New prototype.
8845 * cppmain.c (main): Call cpp_init.
8847 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
8849 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
8850 (rtx_unstable_p, rtx_varies_p): Process vectors.
8852 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
8854 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
8855 references to GLOBAL symbols. Use LOCAL where appropriate.
8857 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8859 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
8860 use t-aix41 when host == target.
8862 2000-08-16 Richard Henderson <rth@cygnus.com>
8864 * reload.c (push_secondary_reload): Revert last change.
8865 If we use a reload_in/out pattern, make the when the same
8866 as the primary reload.
8867 (find_reloads): Likewise.
8869 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
8871 * configure.in (libstdcxx-v3): Fix test.
8872 * configure: Regenerate.
8874 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8876 * calls.c (calls_function_1, expand_call): Only test
8877 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
8878 * function.c (thread_prologue_and_epilogue_insns): Likewise.
8880 2000-08-16 Richard Henderson <rth@cygnus.com>
8882 * combine.c (simplify_shift_const): Revert previous two
8883 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
8884 before the main loop.
8886 2000-08-15 Richard Henderson <rth@cygnus.com>
8888 * combine.c (simplify_shift_const): Bound shift count when
8891 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8893 * calls.c (ECF_SP_DEPRESSED): New macro.
8894 (calls_function_1): Treat calling sp-depressed function as alloca.
8895 (emit_call_1): Don't adjust SP if calling sp-depressed function.
8896 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
8897 If sp-depressed, ensure block saves and restores SP.
8898 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
8900 * function.c (keep_stack_depressed): New function.
8901 (thread_prologue_and_epilogue_insns): Call it.
8902 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
8903 to print DECL_OFFSET_ALIGN.
8904 Print no-force-blk and transparent-union flags properly.
8905 * stmt.c (expand_goto_internal): Don't restore stack if last block
8906 and function returns with sp depressed.
8907 (fixup_gotos): Likewise.
8908 (save_stack_pointer): New function, from code in expand_decl.
8909 (expand_decl): Call new function.
8910 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
8911 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
8912 (save_stack_pointer): New declaration.
8914 * diagnostic.c (fatal_function): New variable.
8915 (set_fatal_function): New function.
8917 * diagnostic.h (set_fatal_function): New declaration.
8919 2000-08-15 William Cohen <wcohen@redhat.com>
8921 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
8922 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
8923 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
8925 2000-08-15 Richard Henderson <rth@cygnus.com>
8927 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
8929 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8931 * arm.c (arm_function_ok_for_sibcall): New function.
8932 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
8933 * arm.md (call expanders): Don't check here for calls that can't
8936 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8938 * arm.md (splits generating cond_exec): Disable.
8940 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8942 * arm/linux-elf.h (text_section): Delete declaration.
8944 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8946 ARM support for unordered FP operations.
8947 * arm-protos.h (arm_comparison_operator): Declare.
8948 * arm.c (arm_comparison_operator): New function.
8949 (arm_select_cc_mode): Add unordered comparison codes.
8950 (get_arm_condition_code): Likewise.
8951 (arm_final_prescan_insn): Can't handle unordered jumps that can't
8952 be done in one insn.
8953 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
8954 * arm.md (all uses of comparison_operator): Replace with
8955 arm_comparison_operator.
8956 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
8958 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
8961 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8963 * gthr-posix.h: Conditionally include <sched.h>; include
8964 <config.h> from libobjc/.
8966 2000-08-14 Richard Henderson <rth@cygnus.com>
8968 * config/i386/i386.c (legitimize_pic_address): Use Pmode
8971 2000-08-14 Richard Henderson <rth@cygnus.com>
8973 * configure.in (ia64-*): Set float_format for i386 long double.
8975 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
8976 as we would for i386 XFmode.
8977 (PUT_REAL): Likewise.
8978 (endian, ereal_atof, real_value_truncate): Likewise.
8979 (ereal_isneg, toe64, etens, make_nan): Likewise.
8980 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
8982 * config/ia64/ia64-protos.h: Update.
8983 * config/ia64/ia64.c (general_tfmode_operand): New.
8984 (destination_tfmode_operand): New.
8985 (tfreg_or_fp01_operand): New.
8986 (ia64_split_timode): New.
8987 (spill_tfmode_operand): New.
8988 (ia64_expand_prologue): Use TFmode not XFmode.
8989 (ia64_expand_epilogue): Likewise.
8990 (ia64_function_arg): Likewise.
8991 (ia64_function_arg_advance): Likewise.
8992 (ia64_return_in_memory): Likewise.
8993 (ia64_function_value): Likewise.
8994 (ia64_print_operand): Likewise.
8995 (ia64_register_move_cost): Set GR<->FR to 5.
8996 (ia64_secondary_reload_class): Get GR for TImode memory op.
8997 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
8998 (ROUND_TYPE_ALIGN): Remove.
8999 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
9000 (INTEL_EXTENDED_IEEE_FORMAT): Define.
9001 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
9002 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
9003 (MODES_TIEABLE_P): Use TFmode, not XFmode.
9004 (CLASS_MAX_NREGS): Likewise.
9005 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
9006 (PREDICATE_CODES): Update.
9007 * config/ia64/ia64.md (movti): New.
9008 (movti_internal): Use a clobber for memory alternatives.
9009 (reload_inti, reload_outti): New.
9010 (movsfcc_astep): Predicate properly.
9011 (movdfcc_astep): Likewise.
9014 (extendsftf2, extenddftf2): New.
9015 (trunctfsf2, trunctfdf2): New.
9016 (floatditf2, fix_trunctfdi2): New.
9017 (floatunsditf2, fixuns_trunctfdi2): New.
9018 (addtf3, subtf3, multf3, abstf2): New.
9019 (negtf2, nabstf2, mintf3, maxtf3): New.
9020 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
9022 (fr_spill): Use TFmode, not XFmode.
9023 (fr_restore): Likewise.
9024 * config/ia64/lib1funcs.asm (__divtf3): New.
9025 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
9027 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9029 * cse.c (fold_rtx): Avoid empty body in an if-statement.
9031 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
9032 `U' integer constant suffix.
9034 * dwarf2out.c (add_subscript_info): Avoid empty body in an
9037 * sparc/sol2.h (__enable_execute_stack): Prototype.
9039 2000-08-14 David Edelsohn <edelsohn@gnu.org>
9041 * collect2.c: Remove use of AIX import file.
9043 * longlong.h: Test ARCH_PWR not ARCH_POWER.
9045 * rs6000.c (print_operand, case 'E'): Add else.
9047 2000-08-14 Richard Henderson <rth@cygnus.com>
9049 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
9050 (movdi_symbolic): New.
9052 2000-08-14 Jim Wilson <wilson@cygnus.com>
9054 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
9055 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
9056 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
9059 2000-08-14 Richard Henderson <rth@cygnus.com>
9061 * expr.c (emit_group_load): Don't force constants into registers.
9062 Special case source already in the correct mode.
9064 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
9066 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
9067 * fixinc/inclhack.def: Likewise.
9068 * fixinc/mkfixinc.sh: Likewise.
9069 * configure: Regenerate.
9070 * fixinc/fixincl.x: Regenerate.
9071 * install.texi: Document equivalence of linux and linux-gnu.
9073 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9075 * cse.c (insert_regs): Also in REG case: When finding an invalid
9076 value, and we make a new quantity, make sure that it won't be
9077 mistaken by for a valid one by mention_regs.
9079 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
9081 * h8300.md: Remove obsolete peepholes.
9083 2000-08-13 Kazu Hirata <kazu@hxi.com>
9085 * invoke.texi (H8/300 Options): Fix typos.
9086 * config/h8300.c: Fix formatting.
9087 * config/h8300.h: Fix comment typos.
9088 (OVERRIDE_OPTIONS): Fix formatting.
9090 * function.c: Fix formatting.
9092 * cse.c: Fix formatting.
9094 2000-08-13 Geoff Keating <geoffk@cygnus.com>
9096 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
9097 (attempt_auto_inc): Suppress parentheses warning.
9098 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
9099 * loop.c (load_mems): Remove `u' suffix in two places.
9100 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
9102 * config/rs6000/rs6000.h: Likewise.
9103 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
9104 __eabi dummy routine.
9105 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
9108 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
9109 not put stuff in .sdata unnecessarily.
9110 (rs6000_unique_section): New function.
9111 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
9112 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
9114 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
9115 arrays in C99. Don't try to look at DECL_REGISTER of a
9116 COMPONENT_REF. Don't complain twice about the same error.
9118 * fixinc/inclhack.def (aix_pthread): New fix.
9119 (aix_sysmachine): New fix.
9120 * fixinc/fixincl.x: Regenerate.
9122 * expr.c (expand_expr): Call convert_modes when turning a large
9123 multiply into a small one.
9125 2000-08-12 Geoff Keating <geoffk@cygnus.com>
9127 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
9128 the tree structure an exponent rather than an explicit alignment
9129 so it doesn't overflow.
9130 (SET_DECL_OFFSET_ALIGN): New macro.
9131 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
9132 rather than DECL_OFFSET_ALIGN.
9133 (place_field): Likewise.
9134 * expmed.c (store_bit_field): Abort on align==0 to avoid
9135 antisocial machine behaviour.
9137 2000-08-12 Richard Henderson <rth@cygnus.com>
9139 * sibcall.c (uses_addressof): Accept both addressof and
9140 current_function_internal_arg_pointer inside a mem.
9141 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
9142 if current_function_uses_addressof.
9143 * stmt.c (expand_return): Kill tail recursion and HAVE_return
9146 2000-08-11 Richard Henderson <rth@cygnus.com>
9148 * config/ia64/ia64.md (addsi3): Remove expander.
9149 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
9150 (*addsi3_shladd): New.
9152 2000-08-11 Richard Henderson <rth@cygnus.com>
9154 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
9155 (do_restore): Likewise.
9156 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
9157 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
9158 (rtx_needs_barrier): Track actual bit manipulation for
9159 ar.unat moves, gr_spill, and gr_restore.
9160 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
9161 (process_set): Don't handle varargs spills.
9162 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
9163 .mem.offset here instead of in process_set.
9164 (gr_restore): Likewise.
9166 2000-08-11 Richard Henderson <rth@cygnus.com>
9168 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
9170 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
9172 * gcc.texi (The Configuration File): Document
9173 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
9174 UPDATE_PATH_HOST_CANONICALIZATION.
9176 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9178 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
9179 unprototyped function pointer casts on integer constants.
9181 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
9183 * fixproto: Recognize DOS paths with drive letters as absolute paths.
9185 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
9187 * extend.texi (Volatiles): Fix typos.
9189 2000-08-11 Kazu Hirata <kazu@hxi.com>
9191 * flow.c: Fix formatting.
9193 2000-08-11 Richard Henderson <rth@cygnus.com>
9195 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
9196 pattern, always allocate a tertiary scratch register.
9198 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
9199 (reload_inhi): Likewise.
9201 2000-08-11 Richard Henderson <rth@cygnus.com>
9203 * function.c (put_reg_into_stack): Allow type to be NULL.
9204 (schedule_fixup_var_refs): Likewise.
9205 (gen_mem_addressof): Allow decl to be NULL.
9206 (put_addressof_into_stack): Likewise.
9208 * flow.c (merge_blocks_nomove): Be more careful about
9209 locating the beginning of block A.
9211 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
9213 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9218 * config.in: Reverted the check for <sched.h>.
9220 2000-08-10 Chris Demetriou <cgd@sibyte.com>
9222 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
9223 macros define the name of CTOR and DTOR sections.
9224 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
9225 DTOR_LIST_END): Change to use attributes to specify
9227 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
9228 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
9229 DTOR_LIST_END): Same as in mips/elf.h.
9231 2000-08-10 Drew Moseley <dmoseley@redhat.com>
9233 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
9234 disabling just crt0.o.
9236 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
9238 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
9239 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
9240 (EXTRA_SPECS): Add them.
9241 * arm/lib1funcs.asm: Support builds for interworking.
9242 Use macros to eliminate duplicated pieces of code.
9244 2000-08-10 Kazu Hirata <kazu@hxi.com>
9246 * h8300.c (expand_a_rotate): New.
9247 (emit_a_rotate): Likewise.
9248 (h8300_adjust_insn_length): Add support for the rotate insns.
9249 * h8300.md (rotlqi3): New.
9250 (*rotlqi3_1): Likewise.
9251 (rotlhi3): Likewise.
9252 (*rotlhi3_1): Likewise.
9253 (rotlhi3): Likewise.
9254 (*rotlhi3_1): Likewise.
9255 * h8300-proto.h: Add prototypes for expand_a_rotate and
9258 * h8300.c: Fix comment typos.
9259 (dosize): Declare the variable amount as unsigned.
9260 (get_shift_alg): Fix a comparison between signed and unsigned.
9261 (emit_a_shift): Likewise.
9262 (h8300_adjust_insn_length): Simplify the code.
9264 * c-decl.c: Fix formatting.
9266 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9268 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
9269 warning about non-traditional numeric constant suffixes.
9271 * cppexp.c (parse_number): Likewise.
9273 * invoke.texi: (-Wtraditional): Document new behavior.
9275 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9277 * gthr-posix.h: Include auto-host.h. Conditionally include
9279 * configure.in: Check for the <sched.h> header file.
9280 * config.in: Added define for HAVE_SCHED_H.
9282 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9284 * c-typeck.c (process_init_element): For -Wtraditional, warn about
9285 initialization of unions.
9287 * invoke.texi (-Wtraditional): Document new behavior.
9289 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
9291 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
9292 instead of extra_c_flags.
9293 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
9294 * configure: Regenerate.
9295 * config.in: Regenerate.
9297 * cpperror.c (cpp_type2name): New function.
9298 * cpplex.c (lex_line): If we issued an error for an invalid
9299 preprocessing directive, discard that logical line.
9300 * cpplib.c (do_line): Call a hook function if the current file
9301 is renamed by #line.
9302 (do_ident): Pass the contents of the string, not the entire
9303 token, to the callback function.
9304 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
9305 (cb.rename_file): New hook function.
9306 (cb.ident): Adjust prototype.
9307 (cpp_type2name): Prototype.
9308 * cppmacro.c (dump_macro_args): Correct precedence lossage.
9310 * cppmain.c (cb_ident): Update for changed interface.
9311 (cb_rename_file): New function.
9312 (main): Set rename callback.
9314 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
9316 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
9317 multi-word registers.
9319 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
9321 * c-common.c (combine_strings, check_format_info): Refer to ISO C
9322 or ISO C89 instead of ANSI C.
9323 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
9324 build_enumerator, do_case): Likewise.
9325 * c-lex.c (parse_float, yylex): Likewise.
9326 * c-parse.in: Likewise.
9327 * c-typeck.c (common_type, build_array_ref, build_binary_op,
9328 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
9329 build_c_cast, convert_for_assignment, set_init_index,
9330 set_init_label, c_expand_start_case): Likewise.
9331 * toplev.c (documented_lang_options, display_help): Likewise.
9333 2000-08-08 Kazu Hirata <kazu@hxi.com>
9335 * h8300.c: Fix formatting.
9336 * h8300.h: Likewise.
9337 * h8300.md: Likewise.
9338 (movsi_h8300hs): Fix formatting of the resulting assembly code.
9340 * reload1.c: Fix formatting.
9342 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
9344 * alpha/alpha.c (alpha_emit_xfloating_libcall):
9345 Use GEN_CALL_VALUE define.
9346 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
9347 * clipper/clipper.md (untyped_call): Likewise.
9348 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
9349 * fx80/fx80.md (untyped_call): Likewise.
9350 * mips/mips.md (untyped_call): Likewise.
9351 * ns32k/ns32k.md (untyped_call): Likewise.
9352 * pa/pa.md (untyped_call): Likewise.
9353 * romp/romp.md (untyped_call): Likewise.
9354 * sparc/sparc.md (untyped_call): Likewise.
9356 2000-08-08 Jason Eckhardt <jle@cygnus.com>
9358 * config/i860/i860.c (singlemove_string): Do not generate assembler
9359 pseudo instructions that must be expanded (that is, with signed
9360 constants larger than 16 bits).
9362 2000-08-08 Richard Henderson <rth@cygnus.com>
9364 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
9365 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
9366 (init_propagate_block_info): Don't kill memory stores at -O0.
9367 (mark_set_1, mark_used_regs): Likewise.
9369 2000-08-08 David Edelsohn <edelsohn@gnu.org>
9371 * rs6000.c (optimization_options): Decorate 'level' as
9373 (mask64_operand): Remove sign-extend thinko.
9374 (rldic_operand): New function.
9375 (load_multiple_operation): regno's are unsigned ints.
9376 (store_multiple_operation): Likewise.
9377 (lmw_operation): Likewise.
9378 (stmw_operation): Likewise.
9379 (includes_lshift_p): shift_mask is unsigned int.
9380 (includes_lshift64_p): New function.
9381 (addrs_ok_for_quad_peep): unsigned int reg1.
9382 (print_operand): Consistently add "else" after
9383 output_operand_lossage().
9384 (print_operand, case 'b'): Fold in case 'W'.
9385 (print_operand, case 'W'): Print rldic MB value.
9386 (output_epilogue): Update Objective-C language string.
9387 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
9388 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
9389 * rs6000.md (ashldi3): Add rldic instruction.
9390 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
9391 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
9394 2000-08-08 Richard Henderson <rth@cygnus.com>
9396 * config/ia64/ia64-protos.h: Remove duplicates. Update
9397 for massive code rearrangements.
9398 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
9399 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
9400 (ia64_local_regs, ia64_need_regstk): Remove.
9401 (ar_ccv_reg_operand): New.
9402 (ia64_gp_save_reg): New.
9403 (struct ia64_frame_info): Combine most of the size elements;
9404 add new gr save elements.
9405 (find_gr_spill): New.
9406 (next_scratch_gr_reg): New.
9407 (mark_reg_gr_used_mask): New.
9408 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
9409 to GR backing store regs when possible.
9410 (ia64_initial_elimination_offset): New.
9411 (ia64_rap_fp_offset): Remove.
9412 (save_restore_insns): Remove.
9413 (setup_spill_pointers): New.
9414 (finish_spill_pointers): New.
9415 (spill_restore_mem): New.
9416 (do_spill, do_restore): New.
9417 (ia64_expand_prologue): Rewrite to use them.
9418 (ia64_expand_epilogue): Likewise.
9419 (ia64_direct_return): Update for current_frame_info changes.
9420 (ia64_function_prologue): Simplify .prologue emission. Emit
9422 (ia64_setup_incoming_varargs): Don't ever emit rtl.
9423 (ia64_dbx_register_number): New.
9424 (ia64_initialize_trampoline): New.
9425 (ia64_secondary_reload_class): Request GR_REGS for integer
9426 arithmetic destined for FR_REGS.
9427 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
9428 (ia64_mark_machine_status): Mark ia64_gp_save.
9429 (rws_access_regno): Rename from rws_access_reg; don't treat
9430 predicates specially.
9431 (rws_access_reg): New. Update all callers.
9432 (rtx_needs_barrier): Remove dead unspecs.
9433 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
9434 (ia64_encode_section_info): Silence signed/unsigned warnings.
9435 (spill_offset, sp_offset, spill_offset_emitted): Remove.
9436 (tmp_reg, tmp_saved): Remove.
9437 (process_set): Rewrite to expect complicated bits via
9438 REG_FRAME_RELATED_EXPR.
9439 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
9440 in the use of ar.ccv; never set RTX_UNCHANGING_P.
9441 (ia64_expand_op_and_fetch): Likewise.
9442 (ia64_expand_compare_and_swap): Likewise.
9443 (ia64_expand_builtin): Likewise.
9444 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
9445 (FIRST_PSEUDO_REGISTER): Update.
9446 (AR_M_REGNO_P): Update.
9447 (FIXED_REGS): Don't mark three local registers as used.
9448 (EXTRA_CC_MODES): New.
9449 (SELECT_CC_MODE): New.
9450 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
9451 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
9452 (FRAME_GROWS_DOWNWARD): Unset.
9453 (STARTING_FRAME_OFFSET): Zero.
9454 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
9455 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
9456 (HARD_FRAME_POINTER_REGNUM): New.
9457 (CAN_DEBUG_WITHOUT_FP): Define.
9458 (TRAMPOLINE_TEMPLATE): Remove.
9459 (TRAMPOLINE_SIZE): Lower to 32.
9460 (TRAMPOLINE_ALIGNMENT): Lower to 64.
9461 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
9462 (PREDICATE_CODES): Update.
9463 (struct machine_function): Add ia64_gp_save.
9464 * config/ia64/ia64.md: Purge unused unspecs.
9465 (movsi patterns): Allow moves to/from AR_M_REGS.
9466 (movdi patterns): Allow moves to/from p0.
9467 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
9468 (gr_spill, gr_restore): Indicate ar.unat read/written.
9469 (nonlocal_goto): Don't pass old frame_pointer.
9470 (nonlocal_goto_receiver): Remove.
9471 (exception_receiver): New.
9472 (builtin_setjmp_setup): New.
9473 (builtin_setjmp_receiver): New.
9474 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
9475 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
9476 (__ia64_restore_stack_nonlocal): Likewise.
9477 (__ia64_trampoline): New.
9478 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
9480 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
9482 2000-08-08 Richard Henderson <rth@cygnus.com>
9484 * frame.h (ia64_frame_state): Add my_psp.
9485 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
9486 (__throw): Pass it in. Don't clobber r7.
9487 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
9488 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
9489 and nothing to do with sp.
9490 (normalize_reg_loc): Use frame->my_psp.
9491 (frame_translate): Handle frame-pointer-less functions. Set
9492 spill_base correctly, in absence of being told.
9493 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
9494 (__ia64_backtrace_helper): New sp argument. Use
9495 builtin_return_address instead of label addresses.
9496 (print_record) [mem_stack_v]: No size member.
9498 2000-08-08 Richard Henderson <rth@cygnus.com>
9500 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
9502 2000-08-08 Richard Henderson <rth@cygnus.com>
9504 * tm.texi (LOCAL_REGNO): Document.
9505 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
9506 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
9507 * reload1.c (reload): Likewise when considering nonlocal labels.
9509 * config/ia64/ia64.h (LOCAL_REGNO): New.
9510 * config/sparc/sparc.h (LOCAL_REGNO): New.
9512 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
9514 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
9516 2000-08-07 Nick Clifton <nickc@redhat.com>
9518 * config/mips/mips.c: Fix compile time warning messages.
9519 * config/mips/mips-protos.h: Add prototype for equality_op.
9521 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
9523 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
9525 * mn10300.md: Use nonimmediate_operand instead of general_operand
9528 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
9530 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
9532 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
9533 * sh.c (expand_block_move): Break long lines.
9534 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
9535 * sh.md (mulsi3): Likewise.
9536 (movdi): Adjust spacing.
9538 2000-08-07 Richard Henderson <rth@cygnus.com>
9540 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
9541 * expr.c (emit_group_store): Don't set it.
9543 2000-08-07 Kazu Hirata <kazu@hxi.com>
9545 * invoke.texi (Options for Debugging Your Program or GCC): Remove
9546 duplicate entries for 'w' and 'z'.
9548 * flow.c: Fix a comment typo.
9550 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9552 * c-parse.in: Changed the language string for Objective-C to "GNU
9555 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9557 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
9558 to improve the Posix thread support for Objective-C.
9560 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
9562 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
9563 CTI_UNSIGNED_PTRDIFF_TYPE.
9564 (signed_size_type_node): Define.
9565 (unsigned_ptrdiff_type_node): Define.
9566 * c-decl.c (init_decl_processing): Create the
9567 signed_size_type_node and unsigned_ptrdiff_type_node types.
9568 * c-common.c (T_SC): Define.
9571 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
9572 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
9574 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
9575 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
9576 flags for %c, %s and %[.
9577 (check_format_info): Only allow leniency for signedness of targets
9578 of character pointers (when pedantic) for formats flagged with
9579 "c", so for strings but not for %hh formats. When pedantic, don't
9580 allow character pointers to substitute for void pointers if a
9581 second level of indirection is present.
9583 2000-08-06 Kazu Hirata <kazu@hxi.com>
9585 * invoke.texi (Options for Debugging Your Program or GCC): Update
9586 the names of dump files.
9588 * h8300.c (dosize): Rearrange code for conciseness.
9589 (split_adds_subs): Likewise.
9591 * loop.c: Fix formatting.
9593 * dwarf2out.c: Fix formatting.
9595 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
9597 * expr.c: Fix formatting.
9599 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9601 * rs6000.c (rs6000_maybe_dead): Prototype.
9603 2000-08-06 Richard Henderson <rth@cygnus.com>
9605 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
9606 HAVE_nonlocal_goto as well.
9607 * config/i960/i960.md (nonlocal_goto): Don't do it here.
9608 * config/pj/pj.md (nonlocal_goto): Likewise.
9610 2000-08-07 Michael Hayes <mhayes@cygnus.com>
9612 * loop.c (try_swap_copy_prop): New function.
9613 (load_mems): Rename copies to load_copies and add new regset
9614 store_copies. Check for sets of shadow registers and mark
9615 in store_copies. Call try_swap_copy_prop for registers
9616 marked in store_copies.
9618 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9620 * objc/objc-act.c: New command line option -fconstant-string-class
9621 to allow specifying a user defined constant string class,
9622 different from NXConstantString.
9624 * toplev.c: Moved the Objective-C specific options to
9625 objc/lang-options.h.
9627 * objc/lang-options.h: Moved the Objective-C specific options from
9628 toplev.c. Added -fconstant-string-class.
9630 2000-08-05 Chris Demetriou <cgd@sibyte.com>
9632 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9633 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
9634 __CTOR_LIST__ from func_ptr array to just func_ptr, to
9635 avoid extra alignment imposed on arrays.
9636 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9637 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
9639 * mips.h: Clean up comments and spacing near MASKs.
9640 (TARGET_UNIX_ASM): Delete.
9641 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
9642 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
9645 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
9647 * c-common.c (print_char_table): Add entries for the X/Open '
9648 format flag (print decimals with locale's thousands grouping
9649 character). Make %C expect wint_t.
9650 (check_format_info): If pedantic, warn when the %n$ operand
9651 number form is used. Allow for the ' flag; warn about it if
9654 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
9656 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
9657 type is a float mode, cfun->decl's return type is not, and
9658 TARGET_FLOAT_RETURNS_IN_80387.
9660 2000-08-04 Andreas Schwab <schwab@suse.de>
9662 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
9663 token list, which are always `#' and `pragma'.
9665 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
9667 * tree.c (tree_expr_nonnegative_p): Move to...
9668 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
9669 (rtl_expr_nonnegative_p): New.
9670 * tree.h: Add prototype for rtl_expr_nonnegative_p.
9672 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
9673 CONST_DOUBLE_CHAIN: Move to...
9674 * rtl.h: ...here. Use XCINT/XCEXP.
9676 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
9677 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
9678 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
9681 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
9683 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9685 * config/c4x/c4x.md (return_indirect_internal): New.
9686 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
9688 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9690 * c-common.c (time_char_table): Mark up formats added in C99 and
9691 make other corrections. %D and %g were added in C99. %Og is an
9692 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
9693 C99. %e was added in C99. %Oj is an extension. %G and %z are in
9694 C99 rather than GNU extensions, but %OG and %Oz are extensions.
9695 %h was added in C99. %C was added in C99. %OY and %OC are
9696 extensions. Add the C99 format %F.
9697 (check_format_info): If pedantic and not in C99 mode, warn for C99
9700 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9702 * function.c (schedule_fixup_var_refs): New function, broken out
9703 of put_reg_into_stack.
9704 (put_reg_into_stack): Use it.
9705 (put_var_into_stack): In CONCAT case, fixup up references for
9706 components only after fixing up references to the whole concat.
9708 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
9710 * alias.c (mark_constant_function): Use INSN_P.
9711 (init_alias_analysis): Likewise.
9712 * combine.c (combine_instructions): Use INSN_P.
9713 (can_combine_p): Likewise.
9714 (try_combine): Likewise.
9715 (distribute_notes): Likewise.
9716 (distribute_links): Likewise.
9717 * cse.c (cse_around_loop): Use INSN_P.
9718 (invalidate_skipped_block): Likewise.
9719 (cse_set_around_loop): Likewise.
9720 (cse_end_of_basic_block): Likewise.
9721 (delete_trivially_dead_insns): Likewise.
9722 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
9723 (unshare_all_rtl_1): Likewise.
9724 (next_cc0_user): Likewise.
9725 (try_split make_insn_raw): Likewise.
9726 (remove_unnecessary_notes): Likewise.
9727 * final.c (shorten_branches): Use INSN_P.
9728 (leaf_renumber_regs): Likewise.
9729 (leaf_renumber_regs_insn): Likewise.
9730 * flow.c (find_label_refs): Use INSN_P.
9731 (verify_wide_reg): Likewise.
9732 (notice_stack_pointer_modification): Likewise.
9733 (count_or_remove_death_notes): Likewise.
9734 (verify_flow_info): Likewise.
9735 (clear_log_links): Likewise.
9736 * function.c (fixup_var_refs_insns): Use INSN_P.
9737 (compute_insns_for_mem): Likewise.
9738 * gcse.c (alloc_gcse_mem): Use INSN_P.
9739 (compute_sets): Likewise.
9740 (compute_hash_table): Likewise.
9741 (classic_gcse): Likewise.
9743 (insert_insn_end_bb): Likewise.
9744 (delete_null_pointer_checks_1): Likewise.
9745 * global.c (expand_preferences): Use INSN_P.
9746 (build_insn_chain): Likewise.
9747 * graph.c (node_data): Use INSN_P.
9748 * haifa-sched.c (priority): Use INSN_P.
9749 (rm_line_notes): Likewise.
9750 (rm_other_notes): Likewise.
9751 (find_insn_reg_weight): Likewise.
9752 (init_target_units): Likewise.
9753 (schedule_block): Likewise.
9754 (compute_block_forward_dependences): Likewise.
9755 (debug_dependencies): Likewise.
9756 (set_priorities): Likewise.
9757 * integrate.c (function_cannot_inline_p): Use INSN_P.
9758 (save_parm_insns): Likewise.
9759 (copy_insn_list): Likewise.
9760 * jump.c (mark_all_labels): Use INSN_P.
9761 (never_reached_warning): Likewise.
9762 * lcm.c (optimize_mode_switching): Use INSN_P.
9763 * local-alloc.c (validate_equiv_mem): Use INSN_P.
9764 (memref_used_between_p): Likewise.
9765 (update_equiv_regs): Likewise.
9766 (block_alloc): Likewise.
9767 (no_conflict_p): Likewise.
9768 * loop.c (scan_loop): Use INSN_P.
9769 (find_and_verify_loops): Likewise.
9770 (count_loop_regs_set): Likewise.
9771 (loop_reg_used_before_p): Likewise.
9772 (strength_reduce): Likewise.
9773 (recombine_givs): Likewise.
9774 (check_dbra_loop): Likewise.
9775 (load_mems): Likewise.
9776 (try_copy_prop): Likewise.
9777 * print-rtl.c (print_rtx): Use INSN_P.
9778 * recog.c (find_single_use): Use INSN_P.
9779 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
9780 (next_flags_user): Likewise.
9781 (swap_rtx_condition): Likewise.
9782 * regmove.c (mark_flags_life_zones): Use INSN_P.
9783 (optimize_reg_copy_1): Likewise.
9784 (optimize_reg_copy_2): Likewise.
9785 (optimize_reg_copy_3): Likewise.
9786 (reg_is_remote_constant_p): Likewise.
9787 (fixup_match_2): Likewise.
9788 (regmove_optimize): Likewise.
9789 (fixup_match_1): Likewise.
9790 * regrename.c (build_def_use): Use INSN_P.
9791 (replace_reg_in_block): Likewise.
9792 (consider_use): Likewise.
9793 * reload.c (find_equiv_reg): Use INSN_P.
9794 * reload1.c (reload): Use INSN_P.
9795 (maybe_fix_stack_asms): Likewise.
9796 (calculate_needs_all_insns): Likewise.
9797 (reload_as_needed): Likewise.
9798 (emit_output_reload_insns): Likewise.
9799 (delete_address_reloads_1): Likewise.
9800 (reload_cse_regs_1): Likewise.
9801 (reload_combine): Likewise.
9802 (reload_cse_move2add): Likewise.
9803 * reorg.c (redundant_insn): Use INSN_P.
9804 (dbr_schedule): Likewise.
9805 * resource.c (find_dead_or_set_registers): Use INSN_P.
9806 (mark_target_live_regs): Likewise.
9807 * rtlanal.c (reg_used_between_p): Use INSN_P.
9808 (reg_referenced_between_p): Likewise.
9809 (reg_set_between_p): Likewise.
9810 (reg_set_p): Likewise.
9811 (single_set): Likewise.
9812 (multiple_sets): Likewise.
9813 (find_last_value): Likewise.
9814 (reg_set_last): Likewise.
9815 (find_reg_note): Likewise.
9816 (find_regno_note): Likewise.
9817 * sibcall.c (sequence_uses_addressof): Use INSN_P.
9818 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
9819 * ssa.c (find_evaluations): Use INSN_P.
9820 (rename_block): Likewise.
9821 (rename_equivalent_regs): Likewise.
9822 * unroll.c (loop_find_equiv_value): Use INSN_P.
9823 (set_dominates_use): Likewise.
9824 * varasm.c (mark_constant_pool): Use INSN_P.
9825 (mark_constants): Likewise.
9826 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
9827 (alphaev4_next_group): Likewise.
9828 (alphaev5_next_group): Likewise.
9829 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
9830 (c4x_rptb_rpts_p): Likewise.
9831 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
9832 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
9833 (rs6000_adjust_priority): Likewise.
9834 * config/sh/sh.c (sh_loop_align): Use INSN_P.
9835 (machine_dependent_reorg): Likewise.
9836 (split_branches): Likewise.
9837 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
9839 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
9841 * combine.c (recog_for_combine): Remove the old notes
9842 prior to attempting to recognize the new pattern.
9843 (distribute_notes): Ignore REG_NONNEG notes.
9845 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
9847 * varasm.c (output_constructor): Add .align 0 for packed vars.
9849 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9851 * configure.in: Use default thread_file even when enable_threads is
9852 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
9853 * configure: Rebuilt.
9855 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
9857 2000-08-04 Donn Terry (donnte@microsoft.com)
9859 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
9861 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
9863 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
9864 Delete code that conditionally modifies 'version'.
9865 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
9866 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
9867 * gcc.c (main): Use it.
9868 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
9869 * prefix.c (update_path): Use it.
9870 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
9871 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
9872 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
9874 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
9875 (SUBTARGET_SWITCHES): Adjust.
9876 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
9878 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
9880 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9882 * c-common.h (flag_isoc94): Declare.
9883 * c-decl.c (flag_isoc94): Define.
9884 (c_decode_option): Set flag_isoc94 as appropriate.
9885 * c-common.c (T_PD, T_IM, T_UIM): Define.
9886 (format_char_info): Add tlen and jlen.
9887 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
9889 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
9891 (time_char_table): Add NULL entries for %t and %j.
9892 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
9893 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
9894 Warn for printf %lf if pedantic and not C99. Don't warn for empty
9895 precision. Allow precision argument to be unsigned int. If
9896 pedantic, warn for %p passed an argument not a pointer to possibly
9897 qualified void or a possibly qualified character type, and for
9898 pointer targets of the wrong sign, except for character pointers.
9900 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9902 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
9903 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
9904 (wint_type_node): Define.
9905 * c-decl.c (WINT_TYPE): Define.
9906 (init_decl_processing): Create the wint_type_node type.
9907 * c-common.c (T_WI): Define.
9908 (print_char_table): Use T_WI for %lc format.
9910 2000-08-04 Bruce Korb <bkorb@gnu.org>
9912 * fixinc/: Verified that the MSDOS patch does not break
9913 the UNIX functionality and applied the next three patches
9916 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
9918 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
9919 output file with the temporary one by appending ".X" to generate
9920 the temporary fuile's name. If the output file already has an
9921 extension, replace it with ".X".
9923 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
9924 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
9925 reallocate the command buffer while copying the command-line
9926 argument. Redirect the output directly to the temporary file,
9927 instead of going through another temporary file.
9928 (process): Close the temporary file before unlinking it.
9929 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
9930 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
9931 (run_compiles): Pass p_fixd argument to machine_matches, as it
9934 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
9935 environment, assume there are no symlinks in the include
9936 directory. When cleaning up the DONE files, look for them
9937 case-insensitively. Don't try to remove symlinks if they aren't
9940 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
9941 all callers changed. Declare pz "const char *", to avoid compiler
9944 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
9945 Change prototype of make_raw_shell_str.
9947 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
9949 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
9950 (initialize) [__MSDOS__]: Use tempnam.
9951 (initialize): Don't use SIGPIPE if it is not defined.
9953 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
9956 2000-07-25 Bruce Korb <bkorb@gnu.org>
9958 * fixinc/fix*.[ch]: substantially reworked to make it possible
9959 to run this program without using fork(2) or pipe(2) (i.e. in
9962 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9964 * cppdefault.h (WINT_TYPE): Define.
9965 * cppinit.c (builtin_array): Define __WINT_TYPE__.
9966 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
9967 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
9969 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
9971 * (mips_legitimate_address_p): Don't allow register+offset
9972 if the offset is large and negative, and we are compiling
9973 for 64 bit registers.
9975 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9977 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
9978 insn_code_number + 1.
9980 2000-08-04 Kazu Hirata <kazu@hxi.com>
9982 * h8300.c (function_prologue): Rearrange code for conciseness.
9983 (function_epilogue): Likewise.
9984 * h8300.h (OK_FOR_U): Fix formatting.
9986 * cse.c: Fix a comment typo. Fix formatting.
9988 2000-08-03 Richard Henderson <rth@cygnus.com>
9990 * config/i386/i386.md (return_indirect_internal): New.
9991 * config/i386/i386.c (ix86_expand_epilogue): Use it.
9993 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
9995 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
9997 (lex_line): Glue @ onto the beginning of identifiers and
9998 string constants, in Objective-C mode.
9999 (output_token, spell_token): Handle CPP_OSTRING.
10000 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
10001 beginning of a NAME or a STRING, in objc mode.
10003 * cpplib.c (get_define_node): Do not permit identifiers that
10004 begin with @ to be #defined.
10005 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
10006 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
10008 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
10009 * c-tree.h (build_objc_string): Delete prototype.
10010 * objc/objc-tree.def: Delete OBJC_STRING_CST.
10011 * c-lex.c (yylex): Use build_string for all three kinds of strings.
10013 * c-parse.in, objc/objc-act.c: Update commentary.
10015 2000-08-03 Mark Mitchell <mark@codesourcery.com>
10017 * extend.texi: Fix typo in last change.
10019 * extend.texi: Add commentary on statement-expressions and their
10020 interactions with C++.
10022 2000-08-03 Nick Clifton <nickc@cygnus.com>
10024 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
10025 * dwarf.h (LANG_JAVA): Change value to 0x000b.
10027 2000-08-03 Anthony Green <green@cygnus.com>
10029 * dwarf2out.c (gen_compile_unit_die): Add java language support.
10030 (add_bound_info): Check for java language.
10031 (is_java): New function.
10032 * dwarfout.c (output_compile_unit_die): Ditto.
10033 * dwarf.h (dwarf_source_language): Add java source language type.
10034 * dwarf2.h (dwarf_source_language): Ditto.
10036 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10038 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
10041 * i386.c (ix86_expand_branch): Mode of comparison in
10042 IF_THEN_ELSE is VOIDmode.
10044 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
10046 * gengenrtl.c, rtl.c: Avoid #elif.
10048 2000-08-03 Michael Poole <poole@troilus.org>
10050 * tm.texi (Register Classes): Clarify order of sub-initializers
10051 in REG_CLASS_CONTENTS.
10053 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10055 From SAITOH Masanobu:
10056 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
10058 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
10060 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
10061 is not supported by tradcpp and isn't actually needed for cygwin.
10063 2000-08-03 Kazu Hirata <kazu@hxi.com>
10065 * h8300.c: Fix a comment typo.
10066 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
10068 * jump.c: Fix formatting.
10070 * toplev.c: Fix formatting.
10072 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
10074 * flow.c (find_auto_inc): Verify that we've got a REG before
10075 peeking at its regno. Fail, don't abort if we can't find
10076 the increment of the desired register.
10078 * pa.md (shadd height reduction patterns/splitters): Remove.
10080 2000-08-02 Jim Wilson <wilson@cygnus.com>
10082 * config/ia64/ia64-protos.h (flag_ssa): Declare.
10083 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
10085 2000-08-02 Mark Mitchell <mark@codesourcery.com>
10087 * dce.c: Remove all uses of assert.
10088 * dwarf2out.c: Likewise.
10089 * dwarfout.c: Likewise.
10092 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10094 * gcc.h (lang_specific_driver): Constify second argument.
10095 * gcc.c (translate_options, process_command, main): Likewise.
10096 Constify variables to match. Cast second argument to
10099 * cppspec.c, gccspec.c: Adjust type of second argument to
10100 lang_specific_driver, and update code as necessary.
10102 2000-08-02 Jakub Jelinek <jakub@redhat.com>
10104 * loop.c (scan_loop): Ensure update_end label does not
10105 go away until reg_scan_update is run.
10107 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10109 * c-common.h: Prototype min_precision and c_build_qualified_type here...
10110 * c-tree.h: ... not here.
10111 * errors.h: Prototype fancy_abort.
10113 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
10114 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
10115 * regrename.c (regrename_optimize): Make control flow explicit.
10116 (replace_reg_in_block): Initialize reg_use to 0.
10118 * i386.c (legitimate_address_p): Rename error label to
10119 report_error to avoid namespace clash.
10121 2000-08-02 Kazu Hirata <kazu@hxi.com>
10123 * fold-const.c: Fix formatting.
10125 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
10127 * i386.c (legitimate_address_p): Accept other bases than
10128 pic_offset_table_rtx for GOTOFF constructs.
10130 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
10132 * i386.md (shift to lea splitter): Use const_int_operand.
10134 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10136 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
10137 cppspec.c: Do not use 'legal' or 'illegal' in error messages
10140 * cppmain.c (cb_define, cb_undef): Don't generate any output
10141 if not done_initializing.
10142 * cpplex.c (maybe_paste_with_next): When the token after a ##
10143 is an omitted rest argument, only delete the token before it
10144 if that token is a comma. Do not warn about bogus token
10145 pastes for , ## rest_arg.
10147 * cpp.texi: Update.
10148 * cpp.1: Regenerate.
10150 2000-08-02 Fred Fish <fnf@be.com>
10152 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
10153 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
10156 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
10157 Be directories to search path.
10159 Remove support for __declspec(dllimport) and __declspec(dllexport).
10160 This is leftover cruft from the earlier BeOS gcc port when BeOS
10161 used Microsoft's PE object file format.
10162 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
10163 * config/i386/t-beos (winnt.o): Remove Makefile frag.
10164 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
10165 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
10166 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
10167 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
10168 (REDO_SECTION_INFO_P): Remove.
10169 (ASM_EXPORT_DECL): Remove.
10170 (ASM_DECLARE_FUNCTION_NAME): Remove.
10171 (ASM_DECLARE_OBJECT_NAME): Remove.
10172 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
10173 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
10174 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
10175 (STRIP_NAME_ENCODING): Remove.
10177 Remove support for obsolete version of BeOS that is no longer
10179 * configure.in (i*86-*-beospe*): Remove.
10180 * config/i386/beos-pe.h: Remove.
10182 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
10183 Mark Mitchell <mark@codesourcery.com>
10185 * Makefile.in (OBJS): Added dce.o.
10186 (ssa.o): Updated target to include ssa.h.
10187 (flow.o): Likewise.
10188 (toplev.o): Likewise.
10189 (dce.o): Created target.
10190 * basic-block.h: Added comments.
10191 (INVALID_BLOCK): Added definition.
10192 (connect_infinite_loops_to_exit): Added declaration.
10193 Moved SSA declarations to ssa.h.
10194 * flow.c: Added inclusion of ssa.h.
10195 (struct depth_first_search_dsS, depth_first_search_ds):
10197 (compute_immediate_postdominators): Added definition.
10198 (connect_infinite_loops_to_exit): Likewise.
10199 (flow_dfs_compute_reverse_init): Likewise.
10200 (flow_dfs_compute_reverse_add_bb): Likewise.
10201 (flow_dfs_compute_reverse_execute): Likewise.
10202 (flow_dfs_compute_reverse_finish): Likewise.
10203 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
10204 (LABEL_P): Added definition.
10205 (JUMP_P): Likewise.
10206 (NOTE_P): Likewise.
10207 (BARRIER_P): Likewise.
10208 (JUMP_TABLE_DATA_P): Likewise.
10209 (INSN_DEAD_CODE_P): Likewise.
10210 * ssa.c: Replaced inclusions with ssa.h inclusion.
10211 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
10212 (rename_registers): Removed unnecessary variables.
10213 * ssa.h: Created by moving declarations from ssa.c and
10215 * timevar.def: Defined TV_DEAD_CODE_ELIM.
10216 * toplev.c: Added ssa.h inclusion.
10217 (dump_file_index): Added DFI_dce.
10218 (dump_file): Added "dce" entry.
10220 (f_options): Added dce entry.
10221 * invoke.texi: Document -fdce. Emphasize experimental status of
10225 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
10227 * cpperror.c (v_message): Split into _cpp_begin_message and
10228 v_message macro. All callers updated.
10229 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
10232 * cppfiles.c (cpp_syshdr_flags): New function.
10233 (read_include_file): Don't call cpp_output_tokens. Call
10235 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
10236 (cpp_reader_init): Don't initialize token_buffer. Call
10237 _cpp_init_internal_pragmas.
10238 (cpp_cleanup): Don't clear token_buffer.
10239 (cpp_start_read): Don't worry about output from -D processing.
10240 Don't call cpp_output_tokens.
10241 (cpp_finish): Don't dump macros here. Don't call
10243 * cppmacro.c (_cpp_dump_definition): Rename
10244 cpp_dump_definition. Write directly to a FILE *.
10245 (dump_funlike_macro): Delete.
10246 (dump_macro_args): New.
10248 * cpplex.c (TOKEN_LEN): Convert to inline function.
10249 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
10250 cpp_scan_line, _cpp_dump_list): Delete.
10251 (cpp_printf, cpp_output_list): New.
10252 (output_line_command): Don't worry about entering or leaving files.
10253 (cpp_scan_buffer): Just output each token as we hit it.
10254 (process_directive): Don't call cpp_output_tokens.
10255 (_cpp_glue_header_name): Don't use token_buffer.
10256 (output_token, dump_param_spelling): Write directly to a FILE *.
10258 * cpplib.c (pass_thru_directive, dump_macro_name,
10259 pragma_dispatch, do_pragma_gcc): Delete.
10260 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
10261 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
10263 (do_error, do_warning, pragma_dependency): Call
10264 _cpp_begin_message, then cpp_output_list.
10265 (cpp_register_pragma, cpp_register_pragma_space,
10266 _cpp_init_internal_pragmas): New.
10267 (do_pragma): Walk the pragmas table here.
10268 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
10269 do_pragma_dependency): Return void.
10270 (do_pragma_implementation): Moved to cppmain.c.
10272 * cpplib.h: Update prototypes.
10273 (struct cpp_reader): Remove printer, token_buffer,
10274 token_buffer_size, and limit. Add struct cb, and pragmas.
10275 (struct cpp_printer): Remove last_id and written.
10276 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
10277 CPP_ADJUST_WRITTEN): Delete.
10278 * cpphash.h: Update prototypes.
10279 (ufputs): New wrapper.
10281 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
10282 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
10283 (main): Set up callbacks. Register #pragma implementation.
10284 Dump macros from here.
10286 2000-08-01 Geoff Keating <geoffk@cygnus.com>
10288 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
10289 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
10290 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
10291 insns if they have a REG_MAYBE_DEAD note attached.
10292 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
10293 (rs6000_emit_load_toc_table): TOC loads may go dead.
10295 2000-08-01 Jim Wilson <wilson@cygnus.com>
10297 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
10298 type exists before using it. Use number of words as alignment
10300 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
10301 ia64_va_arg): Propagate ia64_function_args changes here.
10303 2000-08-01 Richard Henderson <rth@cygnus.com>
10305 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
10306 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
10308 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
10310 From Joern Rennecke:
10311 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
10312 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
10313 unless TARGET_SH3E is set.
10314 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
10316 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
10317 (ashlsi3_std): New pattern.
10318 (ashlsi3 expander): Use it for TARGET_SH3.
10319 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
10321 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10323 * loop.c (canonicalize_condition): Use destination, not source to
10324 determine SET's mode.
10326 2000-07-31 Mark Mitchell <mark@codesourcery.com>
10328 * flow.c (clear_log_links): Fix typo.
10330 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
10332 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
10333 on targets which need more than one insn for a compare/cbranch
10336 2000-07-31 Jim Wilson <wilson@cygnus.com>
10338 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
10339 when computing offset.
10341 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
10343 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
10345 2000-07-31 Geoff Keating <geoffk@cygnus.com>
10347 * flow.c (clear_log_links): Nuke global_live_at_start and
10348 global_live_at_end data, since if the log_links stuff is invalid
10349 so is global_live_at_*.
10351 2000-07-31 Richard Henderson <rth@cygnus.com>
10353 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
10355 2000-07-31 Jakub Jelinek <jakub@redhat.com>
10357 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
10358 (_cpp_get_token): Don't macro expand a just pasted token if it
10359 was pasted at no_expand_level.
10361 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10363 * cppmacro.c (find_param, count_params, save_expansion):
10364 Permit 'defined' as a macro parameter name.
10366 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10368 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
10369 xcpp to cpp throughout.
10370 (native): Remove unnecessary dependency on cpp.
10372 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
10373 tradcpp to tradcpp0.
10374 (.i spec): Add missing output-file spec to cc1 command line.
10375 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
10377 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10379 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
10380 (implicit_decl_warning): New function.
10381 (implicitly_declare): Use it.
10382 * c-typeck.c (build_external_ref): Use implicit_decl_warning
10383 to complain about implicit decls of builtins.
10385 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
10386 based on pedantic && flag_isoc99, if not already set.
10387 * c-tree.h: Declare mesg_implicit_function_declaration.
10388 Prototype implicit_decl_warning.
10390 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
10392 * Makefile.in (ssa.o): Updated header files in dependences.
10393 * basic-block.h: Added compute_immediate_postdominators declaration.
10394 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
10396 * flow.c (compute_immediate_dominators): Updated comment.
10397 (compute_immediate_postdominators): Added definition.
10398 * rtl.h (HARD_REGISTER_P): Added definition.
10399 * ssa.c: Include additional header files.
10400 (assert): Added definition.
10401 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
10402 include select hard registers.
10403 (ssa_rename_to_insert): Likewise.
10404 (ssa_rename_from_initialize): Likewise.
10405 (ssa_rename_from_lookup): Likewise.
10406 (original_register): Likewise.
10407 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
10408 include select hard reigsters.
10409 (ssa_rename_from_traverse): Likewise.
10410 (ssa_rename_from_free): Likewise.
10411 (ssa_rename_from_print): Likewise.
10412 (ssa_rename_from_print_1): Likewise.
10413 (ssa_rename_from_hash_function): Likewise.
10414 (ssa_rename_from_equal): Likewise.
10415 (ssa_rename_from_delete): Likewise.
10416 (simplify_to_immediate_dominators): Removed in favor of
10417 flow.c:compute_immediate_dominators.
10418 (find_evaluations_1): Modified to work with hard registers.
10419 (insert_phi_node): Likewise.
10420 (insert_phi_nodes): Likewise.
10421 (struct rename_set_data): Updated prev_reg comment.
10422 (create_delayed_rename): Modified to work with hard registers.
10423 (RENAME_NO_RTX): Updated comment.
10424 (apply_delayed_renames): Modified to work with hard registers.
10425 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
10426 (rename_block): Updated to use revised ssa_rename_to interface.
10427 (rename_registers): Updated to use revised ssa_rename_to and
10428 ssa_rename_from interface.
10429 (convert_to_ssa): Revised to use compute_immediate_dominators and
10430 deal with hard registers.
10431 (make_regs_equivalent_over_bad_edges): Modified to work with hard
10432 registers. Added check for illegal unification of hard register.
10433 (make_equivalent_phi_alternatives_equivalent): Modified to work
10434 with hard registers.
10435 (compute_conservative_reg_partition): Likewise.
10436 (coalesce_if_unconflicting): Modified to work with hard registers
10437 and check for conflicting hard registers.
10438 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
10440 (rename_equivalent_regs_in_insn): Modified to work with hard
10442 (record_canonical_element_1): Added definition.
10443 (check_hard_regs_in_partition): Added definition.
10444 (convert_from_ssa): Added data structure deallocation and check
10445 for illegal hard register unification.
10446 (conflict_hard_regs_p): Added definition.
10447 * toplev.c (rest_of_compilation): Added comment.
10449 2000-07-31 Anthony Green <green@redhat.com>
10451 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
10453 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
10455 * builtins.c (expand_builtin_apply): Don't defer pop during
10458 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10460 * calls.c (combine_pending_stack_adjustment_and_call): Only use
10461 preferred_unit_stack_boundary when it is > 1.
10463 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
10465 * c-common.c (init_function_format_info): Add C99 format functions
10468 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
10469 void' or 'register void' as being the special case of 'void' alone
10470 in a parameter list.
10472 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
10473 discarding qualifiers into a plain warning.
10475 2000-07-31 Kazu Hirata <kazu@hxi.com>
10477 * combine.c: Fix formatting.
10479 * h8300.md: Fix formatting.
10481 * local-alloc.c: Fix formatting.
10483 * h8300.c (get_shift_alg): Remove the variable alg.
10484 (emit_a_shift): Rearrange code to improve readability.
10486 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
10488 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
10489 HImode on all architectures and a combination of HImode and SImode
10490 on H8/300H and H8/S.
10492 * h8300.c (split_adds_subs): Rearrange code for conciseness.
10494 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
10496 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
10497 in my last checkin.
10499 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
10501 * recog.c (extract_insn): Set operand_mode according to
10502 operand if match_operand is VOIDmode.
10504 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
10506 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
10508 2000-07-31 Geoff Keating <geoffk@cygnus.com>
10510 * c-parse.in (extdefs): Call ggc_collect between external
10513 2000-07-30 Michael Hayes <mhayes@cygnus.com>
10514 Richard Henderson <rth@cygnus.com>
10516 * Makefile.in (OBJS): Add doloop.o.
10517 * doloop.c: New file.
10519 * final.c (insn_current_reference_address): Return 0 before final.
10520 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
10521 * jump.c (any_uncondjump_p): Likewise.
10522 * loop.c (indirect_jump_in_function): Make static.
10523 (strength_reduce): Call doloop_optimize.
10524 (insert_bct, instrument_loop_bct): Remove.
10525 * loop.h (doloop_optimize): Prototype.
10526 * recog.c (split_all_insns): Split all INSN_P.
10527 * toplev.c (flag_branch_on_count_reg): Default on.
10529 * config/c4x/c4x.c (c4x_optimization_options): Don't set
10530 flag_branch_on_count_reg.
10531 * config/i386/i386.c (override_options): Likewise.
10532 * config/rs6000/rs6000.c (optimization_options): Likewise.
10534 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
10536 (dbra_ge): Remove, as well as all it's splitters.
10538 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
10541 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
10542 (ia64_register_move_cost): Declare.
10543 * config/ia64/ia64.c (ar_lc_reg_operand): New.
10544 (struct ia64_frame_info): Add ar_size.
10545 (ia64_compute_frame_size): Set it.
10546 (save_restore_insns): Save and restore ar.lc.
10547 (ia64_register_move_cost): New, moved from header file. Handle
10548 application registers.
10549 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
10550 (emit_insn_group_barriers): Special case doloop_end_internal.
10551 (ia64_epilogue_uses): Mark ar.lc live at end.
10552 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
10553 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
10554 (FIRST_PSEUDO_REGISTER): Make room.
10555 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
10556 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
10557 (REG_ALLOC_ORDER): Update.
10558 (HARD_REGNO_MODE_OK): Update.
10559 (REGISTER_NAMES): Update.
10560 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
10561 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
10562 (REGNO_REG_CLASS): Update.
10563 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
10564 (REGISTER_MOVE_COST): Move out of line.
10565 (PREDICATE_CODES): Update.
10566 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
10567 (addsi3_plus1_alt, adddi3_plus1_alt): New.
10568 (shladd_elim splitter): Allow constants in the predicate.
10569 (doloop_end, doloop_end_internal): New.
10571 2000-07-30 Richard Henderson <rth@cygnus.com>
10573 * genattrtab.c (struct insn_def): Add lineno member.
10574 (struct insn_ent): Likewise.
10575 (struct attr_desc): Likewise.
10576 (struct delay_desc): Likewise.
10577 (struct function_unit_op): Likewise.
10578 (struct function_unit): Likewise.
10579 (check_attr_value): Use message_with_line.
10580 (check_defs): Likewise.
10581 (expand_units): Likewise.
10582 (check_attr_test): Take a lineno argument.
10583 (gen_attr): Likewise.
10584 (gen_insn): Likewise.
10585 (gen_delay): Likewise.
10586 (gen_unit): Likewise.
10587 (main): Give it to them.
10588 (convert_set_attr_alternative): Take an insn_def argument
10589 instead of num_alt and insn_index.
10590 (convert_set_attr): Likewise.
10591 (write_test_expr): Protect INSN_ADDRESSES load
10592 with INSN_ADDRESSES_SET_P.
10594 2000-07-30 Richard Henderson <rth@cygnus.com>
10596 * flow.c (init_propagate_block_info): Use pc_set.
10598 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
10600 * i386.md (*lea_general_[123]) New insns and splits.
10601 (addsi3 to lea splitter): Handle other modes too.
10602 (shlsi3 to lea splitter): Likewise.
10603 (addhi_1_lea, shlhi_1_lea): New patterns.
10604 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
10606 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10608 * recog.c (general_operand, nonimmediate_operand): Accept
10609 any mode for VOIDmode CONSTANT_P operands.
10611 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10613 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
10614 instead of replace_rtx.
10615 * recog.c (validate_replace_rtx_subexp): New function.
10616 * recog.h (validate_replace_rtx_subexp): Declare.
10618 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
10620 * combine.c (simplify_set, make_extraction, make_compound_operation
10621 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
10622 as force_to_mode argument.
10624 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
10626 * combine.c (if_then_else_cond): Be sure that mode fits in
10629 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
10631 * combine.c (record_promoted_value): Allow bitsize of mode
10632 to be equivalent to HOST_BITS_PER_WISE_INT.
10634 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10636 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
10637 Do not call gen_mode_alignment when mode is BLKmode.
10639 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
10641 * loop.c (express_from_1): Fix call of simplify_gen_binary.
10643 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
10645 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
10646 VOIDmode implies both operands to be VOIDmode.
10647 (simplify_ternary_operation): Compute properly the mode of comparison.
10648 * combine.c (combine_simplify_rtx): Likewise.
10650 2000-07-25 Michael Hayes <mph@paradise.net.nz>
10652 * basic-block.h (struct loops): New field rc_order.
10653 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
10654 (flow_loops_free): Free rc_order.
10655 (flow_depth_first_order_compute): New parameter rc_order.
10656 (flow_loops_find): Allocate rc_order and swap usage with
10659 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10660 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10662 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
10663 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
10664 (nodb_call, return_from_epilogue): Likewise.
10665 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
10666 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
10667 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
10668 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10669 (c4x_valid_type_attribute_p): Likewise.
10670 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
10671 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
10673 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10675 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
10676 and loadhi_big_constant if applicable.
10677 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
10678 and add new splitter.s
10680 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10682 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
10684 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10686 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
10688 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10690 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
10692 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10694 * config/c4x/libgcc.S (divqf3): Improve accuracy.
10696 2000-07-27 Mark Mitchell <mark@codesourcery.com>
10698 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
10699 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
10700 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
10701 (get_prev_bb_note): Likewise.
10702 (remove_scope_notes): Likewise.
10703 * flow.c (commit_one_edge_insertion): Likewise.
10704 (merge_blocks_nomove): Likewise.
10705 (verify_flow_info): Likewise.
10706 * gcse.c (insert_insn_end_bb): Likewise.
10707 * reg-stack.c (emit_swap_insn): Likewise.
10708 * ssa.c (first_insn_after_basic_block_note): New function.
10709 (insert_phi_node): Use it.
10710 (rename_block): Likewise.
10711 (eliminate_phi): Likewise.
10712 (make_regs_equivalent_over_bad_edges): Likewise.
10713 (make_equivalent_phi_alternatives_equivalent): Likewise.
10714 (for_each_successor_phi): Likewise.
10715 (convert_from_ssa): Modify phi-node deletion algorithm.
10717 2000-07-29 Andreas Jaeger <aj@suse.de>
10719 * configure.in (mips*-*-linux*): Use mips*el to check for little
10720 endian MIPS, add tmake_file.
10722 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
10723 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
10724 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
10726 2000-07-28 Richard Henderson <rth@cygnus.com>
10728 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
10729 Sign extend mode size before negating.
10731 2000-07-28 Richard Henderson <rth@cygnus.com>
10733 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
10735 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
10737 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
10738 (cse_insn): Likewise.
10739 (addr_affects_sp_p): Likewise.
10740 * expr.c (move_by_pieces): Likewise.
10741 (clear_by_pieces): Likewise.
10742 * gcse.c (oprs_unchanged_p): Likewise.
10743 * haifa-sched.c (sched_analyze_2): Likewise.
10744 * recog.c (offsettable_address_p): Likewise.
10745 * regclass.c (record_address_regs): Likewise.
10746 * reload.c (find_reusable_reload): Likewise.
10747 (push_reload): Likewise.
10748 (operands_match_p): Likewise.
10749 (decompose): Likewise.
10750 (find_reloads_address_1): Likewise.
10751 (find_inc_amount): Likewise.
10752 * reload1.c (elimination_effects): Likewise.
10753 * resource.c (mark_set_resources): Likewise.
10754 * flow.c (attempt_auto_inc): New function; mostly broken out
10756 (find_auto_inc): Split into two functions and enhanced to
10757 generate POST_MODIFY.
10758 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
10759 * rtl.h (count_all_occurrences): Declare.
10760 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
10762 * rtlanal.c (count_all_occurrences): New function.
10763 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
10764 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
10766 * config/ia64/ia64-protos.h (destination_operand): Declare.
10767 * config/ia64/ia64.c (destination_operand): New function.
10768 (ia64_print_operand): Handle POST_MODIFY.
10769 (rtx_needs_barrier): Likewise.
10770 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
10771 (HAVE_POST_MODIFY_REG): Define to 1.
10772 (MAX_REGS_PER_ADDRESS): Change to 2.
10773 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
10774 (LEGITIMATE_ADDRESS_REG): New helper macro.
10775 (LEGITIMATE_ADDRESS_DISP): Likewise.
10776 (PREDICATE_CODES): Add entry for destination_operand.
10777 * config/ia64/ia64.md (all mov patterns): Use destination_operand
10778 predicate for operand 0.
10780 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10782 * dwarf2out.c: Indent #error directive.
10784 * gbl-ctors.h: Fix typo in comment.
10785 (__do_global_ctors): Prototype.
10787 * gcse.c (record_one_set, pre_delete): Remove unused variables.
10789 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
10790 (print_operand): Initialize variable `t'.
10792 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
10794 * config/arm/arm.md ("call_value"): removed constraints.
10795 Constraints are ignored in expanders.
10796 (*call_value_reg): split =rf into various constraints.
10797 (*call_value_mem): same
10798 (*call_value_symbol): same
10799 (*sibcall_value_insn): same
10801 2000-07-28 Philipp Thomas <pthomas@suse.de>
10803 * install.texi (--enable-nls): Change the description of the NLS
10804 related configure options to match the current state.
10805 (--with-included-gettext): Likewise.
10806 (--enable-maintainer-mode): New description added.
10807 * extend.texi (-fstrict-prototype): Add missing '.'.
10809 2000-07-27 Jim Wilson <wilson@cygnus.com>
10811 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
10812 DECL_INITIAL (decl) == NULL_TREE.
10814 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
10816 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
10817 on insn-attr.h with it.
10818 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
10819 * insn-addr.h: New header.
10820 (insn_addresses_): Renamed from insn_addresses.
10821 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
10822 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
10823 INSN_ADDRESSES_NEW): New macros.
10824 * genattrtab.c (write_test_expr): Use new macros.
10825 * final.c (insn_addresses, init_insn_lengths): Likewise.
10826 (align_fuzz, shorten_branches): Likewise.
10827 (final): Likewise. Do not reject new insns if their addresses
10828 have been added to INSN_ADDRESSES.
10829 * config/arm/arm.c, config/avr/avr.c: Use new macros.
10830 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
10831 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
10832 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
10833 * config/sh/sh.c: Likewise.
10834 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
10836 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
10838 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
10840 * gcc.c (struct prefix_list): Add member priority.
10841 (enum path_prefix_priority): Declare.
10842 (add_prefix): Replace ``first'' with ``priority''. Append new
10843 entry but keep list in priority order.
10844 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
10845 PREFIX_PRIORITY_LAST to add_prefix.
10846 (process_command): Move include kludge - foo/stageN - to before
10849 2000-07-27 Jason Merrill <jason@redhat.com>
10851 * dwarf2out.c (gen_typedef_die): Abort if we get identical
10852 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
10854 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
10856 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
10857 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
10859 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
10861 * c-decl.c (finish_function): Don't treat 'main' specially unless
10862 flag_hosted. In C99 mode, return 0 from 'main' unless
10863 DEFAULT_MAIN_RETURN is otherwise defined.
10865 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
10866 parameters defaulting to int in an old-style function definition.
10868 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10870 * c-parse.in (string): For -Wtraditional, warn about string
10871 concatenation only once per line.
10873 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
10875 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
10876 for HI-UX/WE2 systems.
10878 2000-07-24 Bruce Korb <bkorb@gnu.org>
10880 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
10881 defining the __xxx_TYPE__ macros.
10882 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
10883 * fixincl/fixlib.h: don't need to include "tm.h" anymore
10884 * fixincl/inclhack.def(type_map): now obsolete
10886 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
10888 * cpp.texi: Append a trailing full-stop to xrefs where needed.
10890 2000-07-26 Dave Pitts <dpitts@cozx.com>
10892 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
10894 (mvs_hash_alias): New function.
10895 (mvs_add_alias): Change argument spacing.
10896 (mvs_need_alias): Change aliasing criteria. Added documentation.
10897 (mvs_get_alias): Change to use hashed name. The hashed name prevents
10898 CSECT name collisions.
10899 (mvs_check_alias): Likewise.
10900 (handle_pragma): Change documentation.
10901 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
10902 mode from SImode to DImode.
10903 (iorhi3): Changed LTORG size for insn.
10905 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
10907 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
10908 mem if the address is a mode_dependent_address_p.
10910 2000-07-26 Kazu Hirata <kazu@hxi.com>
10912 * h8300.c (print_operand): Print ":8" when the 'R' operand is
10913 suitable for 8-bit absolute.
10914 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
10915 (OK_FOR_U): Add a case for the 8-bit constant address on the
10918 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
10920 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
10921 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
10922 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
10923 lack of implemented alignment.
10925 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
10927 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
10928 cross-compiling between 64-bit and 32-bit machines.
10930 2000-07-27 Richard Henderson <rth@cygnus.com>
10932 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
10933 (movhicc_astep, movhi_internal_astep): New.
10934 (movsicc_astep, movsi_internal_astep): New.
10935 (movdicc_astep, movdi_internal_astep): New.
10936 (movsfcc_astep, movsf_internal_astep): New.
10937 (movdfcc_astep, movdf_internal_astep): New.
10938 (movxfcc_astep, movxf_internal_astep): New.
10939 (cmovdi_internal_astep, cmovsi_internal_astep): New.
10940 Unify the cmov[ds]i splitters.
10942 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
10944 * real.c (asctoeg): Rename `error' label to unexpected_char_error
10946 2000-07-26 Nick Clifton <nickc@cygnus.com>
10948 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
10949 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
10951 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
10952 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
10954 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
10956 * c-decl.c (finish_enum): Convert enumerations that fit in an
10958 (build_enumerator): In pedantic mode, cast to `int' those that
10961 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
10963 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
10965 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10967 * sh.md (cmpgtdi_t): Must be split.
10968 (cmpgtdi_t+1): New splitter.
10970 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
10972 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
10973 warnings for indented directives even if we are skipping.
10975 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
10977 * invoke.texi (strict-prototypes): Remove.
10978 * extend.texi (Deprecated Features): Add strict-prototypes.
10979 (Backwards Compatibility): New node.
10981 2000-07-25 Jakub Jelinek <jakub@redhat.com>
10983 * config/i386/i386.md (andsi_1+1): Allow HImode.
10984 (andsi_1+2): Require q_regs_operand.
10986 2000-07-25 Jakub Jelinek <jakub@redhat.com>
10988 * config/i386/i386.md (call_pop): Check operands[0],
10989 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
10991 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
10992 (call_value): Likewise.
10994 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
10996 * toplev.c (pipe_closed): Delete.
10997 (crash_signal): New. Generate ICE for a fatal signal.
10998 (float_signal): Call crash_signal outside a float-handler
11000 (main): Install crash_signal as handler for core-dumping signals.
11002 2000-07-25 David Edelsohn <edelsohn@gnu.org>
11004 * rs6000.c (print_operand, case 'T'): New case.
11006 * rs6000.md (call_indirect_aix32): Convert to expander of
11007 scheduled instructions.
11008 (call_indirect_aix64): Likewise.
11009 (call_value_indirect_aix{32,64}): Likewise.
11010 (call, call_value): Invoke expanders for AIX. Fall through to
11012 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
11013 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
11014 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
11015 only "g" constraint.
11016 (call_nonlocal_aix64): Likewise.
11017 (call_value_nonlocal_aix{32,64}): Likewise.
11018 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
11020 (call_value_nonlocal_sysv): New pattern.
11021 (indirect_jump{si,di}): Use new 'T' modifier.
11022 (tablejump{si,di} matchers): Likewise.
11023 (return_internal_{si,di}): Likewise.
11024 (return_eh_{si,di}): Likewise.
11026 2000-07-24 Richard Henderson <rth@cygnus.com>
11028 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
11029 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
11030 * config/ia64/ia64.md (movdi_internal): Use it.
11032 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
11034 * cppexp.c: Warn about unary + if -Wtraditional.
11035 * cpplex.c (lex_line): Always set BOL on the first token of a line.
11037 2000-07-24 Michael Meissner <meissner@redhat.com>
11039 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
11042 2000-07-24 Nick Clifton <nickc@cygnus.com>
11044 * config/arm/arm.c (emit_multi_reg_push): Generate a
11045 REG_FRAME_RELEATED_NOTE that is compatable with the code in
11046 dwarf2out_debug_frame_expr.
11048 2000-07-24 Jason Merrill <jason@redhat.com>
11050 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
11051 UNALIGNED_INT_ASM_OP.
11052 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
11053 a location expression.
11054 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
11055 assume indirect access if we're saving the CFA address exactly.
11057 * Makefile.in (bootstrap): Move -BstageN/ to the end.
11059 2000-07-24 Jakub Jelinek <jakub@redhat.com>
11061 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
11064 2000-07-24 Michael Meissner <meissner@redhat.com>
11066 * invoke.texi (D30V Options): Add d30v options.
11068 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
11070 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
11071 needed by our gcse pass anymore.
11072 (free_pre_mem): Corresponding changes.
11073 (compute_pre_data): Do not call compute_transpout anymore.
11075 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
11076 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
11079 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
11080 (compute_pre_data): Do it here instead.
11082 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
11084 (pre_delete): Corresponding changes.
11086 2000-07-23 Mark Mitchell <mark@codesourcery.com>
11088 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
11089 to figure out whether or not a variable has already been emitted.
11091 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
11093 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
11094 instead of gen_call.
11096 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
11098 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
11100 2000-07-23 Kazu Hirata <kazu@hxi.com>
11102 * h8300.c: Fix formatting.
11104 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
11106 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
11107 for `long' switch expression into a plain warning.
11109 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
11110 (yylex): Don't pedwarn for "inline" in C99 mode.
11112 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
11114 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
11115 ggc_alloc): Likewise.
11116 * bb-reorder.c (dump_scope_forest_1): Likewise.
11118 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
11120 * reload.c (find_reloads_toplev): Add new parameter
11121 "address_reloaded".
11122 (find_reloads): Add new parameter to find_reloads_toplev calls.
11124 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
11126 * collect2.c (main): Typo fixed.
11127 * diagnostic.c: Typo fixed.
11128 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
11129 * eh-common.h: Typo fixed.
11130 * emit-rtl.c (start_sequence): Typo fixed.
11131 * flow.c (find_label_refs): Typo fixed.
11132 (calculate_global_regs_live): Typo fixed.
11133 (mark_regno_cond_dead): Typo fixed.
11134 (create_edge_list): Typos fixed.
11135 (verify_edge_list): Typo fixed.
11136 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
11137 * loop.c (strength_reduce): Typo in function name fixed.
11138 * rtl.h: Added comments. Typo in function name fixed.
11139 * rtlanal.c: Typo in function name fixed.
11140 (insn_dependant_p): Rename to ...
11141 (insn_dependent_p): ... this.
11142 (computed_jumo_p): Typo fixed.
11144 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11146 * system.h (__FUNCTION__): Wrap definition in #ifndef.
11148 2000-07-21 David Edelsohn <edelsohn@gnu.org>
11150 * rs6000.h (SIZE_TYPE): Define.
11152 2000-07-21 Mark Mitchell <mark@codesourcery.com>
11154 * ssa.c (rename_insn_1): Don't rename registers that are
11157 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
11159 * diagnostic.c (trim_filename, fancy_abort): Moved here from
11161 (fatal_function, set_fatal_function): Removed.
11162 (fatal): Don't prepare for or call the fatal_function.
11163 (diagnostic_lock, error_recursion): New.
11164 (diagnostic_for_decl, report_diagnostic): Guard against
11165 re-entering the error reporting routines.
11166 (fancy_abort): Assume function is not NULL.
11168 * errors.c (fancy_abort): New. Assume function is not NULL.
11169 * tradcpp.c (fancy_abort): Assume function is not NULL.
11171 * system.h: Provide default definition of __FUNCTION__.
11172 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
11173 Always use __FUNCTION__ in definition of abort.
11174 * tree.h: Likewise.
11175 * varray.h: Likewise.
11176 * toplev.h: Likewise. Don't prototype set_fatal_function.
11178 2000-07-20 Geoff Keating <geoffk@cygnus.com>
11180 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
11182 * glimits.h: Don't do #if defined for ARCH_PPC.
11184 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
11185 constants of size no larger than a pointer should go in the TOC.
11186 Add 'MODE' parameter.
11187 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
11188 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
11189 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
11190 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
11191 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
11192 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
11193 (rs6000_legitimize_address): Likewise.
11194 (rs6000_emit_move): Likewise.
11195 (rs6000_select_rtx_section): Likewise.
11196 (output_toc): Deal properly with outputting small constants like
11197 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
11198 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
11199 MODE parameter. Put small constants in the TOC.
11201 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
11203 (rs6000_emit_move): When reload calls us with an illegitimate
11204 address, exit early. Move the change_address calls to one place
11205 at the end of the routine. Merge the SImode and DImode expanders.
11206 When called by reload to put an integer into a FP register, force
11209 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
11211 (rs6000_hash_constant): Hash mode too.
11212 (toc_hash_function): Allow for key_mode.
11213 (toc_hash_eq): Structures are different if key_mode differs.
11214 (output_toc): Add 'mode' parameter. Save key_mode.
11215 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
11216 Pass 'mode' parameter.
11217 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
11219 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
11220 for vtable references.
11222 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
11223 choice, don't put integer values in FP regs.
11225 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
11227 * flow.c (verify_flow_info): Revamp code to verify that the
11228 head and end of each basic block are in the insn chain.
11230 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
11232 * gcse.c (record_one_set): Prepend instead of append onto
11233 reg_set_table, making it O(n) instead O(n^2).
11234 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
11235 Use a queue instead of a stack as worklist.
11237 2000-07-20 Kazu Hirata <kazu@hxi.com>
11239 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
11240 * h8300.h (OK_FOR_T): New.
11241 (EXTRA_CONSTRAINT): Support OK_FOR_T.
11242 * h8300.md: Use inc/dec.[wl] for increment/decrement
11243 by 1 and 2 in HI and SI modes.
11245 2000-07-20 Jim Wilson <wilson@cygnus.com>
11247 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
11248 larger than 14 bits.
11250 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
11252 * cppmacro.c (CAN_PASTE_AFTER): New macro.
11253 (count_params): Don't set GNU_REST_ARGS on anything.
11254 (save_expansion): Set PASTE_LEFT only on tokens for which
11255 CAN_PASTE_AFTER is true, or which are named operators.
11257 * cpplex.c (parse_args): Distinguish between a rest argument
11258 given one empty argument, and a rest argument given zero arguments.
11259 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
11260 deletion of previous token based on that.
11261 (get_raw_token): Flatten some control structure.
11263 * cpplib.h (CPP_LAST_EQ): Correct.
11264 (VOID_REST): New token flag.
11265 (GNU_REST_ARGS): Delete.
11267 * tradcpp.c (main): Don't munge -D options.
11268 (make_definition): Bring -D handling in line with cpplib.
11269 (do_define): Strip all leading whitespace from macro definitions.
11271 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
11273 * Makefile.in (tradcpp): Depend on intl.o and version.o.
11275 2000-07-20 Bruce Korb <bkorb@gnu.org>
11277 * fixincl/check.tpl: strip the platform specific types before testing
11278 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
11279 * fixincl/fixincl.tpl: use platform specific types
11280 * fixincl/fixlib.h: include the platform specific types
11281 * fixincl/inclhack.def(gnu_types): don't supply the types
11282 * fixincl/fixincl.x: regen
11284 2000-07-19 Jim Wilson <wilson@cygnus.com>
11286 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
11289 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
11291 * tradcpp.c (rescan): Do not recognize directives when the #
11294 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
11296 Implement C++ named operators.
11298 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
11299 of operators allowed in #if and having an _EQ variant. Add
11300 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
11301 (cpp_token flags): Add NAMED_OP.
11302 (enum node_type): Add T_OPERATOR.
11303 (struct cpp_hashnode): Add code slot to value union.
11304 * cpphash.h (spec_nodes): Remove n_defined.
11306 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
11307 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
11308 (is_macro_disabled): Tweak error messages.
11310 * cpplib.c (get_define_node): Disallow all named operators as
11311 macro names. Tweak error messages.
11312 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
11314 * cppinit.c (builtin_array): Add entries for the named operators.
11315 * cppexp.c (lex): Check for CPP_DEFINED token.
11316 (priority table): Add entries for CPP_MIN and CPP_MAX.
11317 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
11319 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
11321 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
11322 larger than the array of cuids.
11323 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
11326 2000-07-19 Bruce Korb <bkorb@gnu.org>
11328 * fixinc/fixincl.c: Convert to using a table of environment variables
11329 and activate the auto-edit marker on the fixed output files.
11330 * fixinc/fixlib.h: Define the environment table
11331 * fixinc/fixincl.sh: export the ${INPUT} dir
11332 * fixinc/check.tpl: likewise
11334 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
11336 * gcc.c (.h spec): Fix typo.
11338 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
11340 * Makefile.in: Fix tradcif.c path.
11342 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
11344 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
11347 * cpphash.h (TOKEN_NAME): New macro.
11348 (_cpp_spell_operator): Deleted.
11349 (token_spellings): Now _cpp_token_spellings.
11351 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
11352 * cpplex.c: Use OP and TK macros when expanding the
11353 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
11354 store the stringification of the enumeration name (CPP_CHAR,
11355 etc.) in the name slot of token_spellings.
11356 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
11357 token_spellings directly.
11358 * cpplib.c: Use TOKEN_SPELL.
11360 * cpplex.c (_cpp_push_token): If the token being pushed back
11361 is the previous token in this context, just subtract one from
11363 * cppmacro.c (save_expansion): Clear aux field when storing a
11366 2000-07-18 Jakub Jelinek <jakub@redhat.com>
11368 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
11369 buffer, provided it is not NULL.
11371 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
11373 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
11374 case of invalid volatile re-declaration.
11376 2000-07-18 Jakub Jelinek <jakub@redhat.com>
11378 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
11379 (expand_call): Adjust caller.
11381 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
11383 * diagnostic.h (report_diagnostic): Change prototype.
11385 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
11386 diagnostic_for_decl): Change prototype.
11387 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
11388 error, warning, error_with_file_and_line,
11389 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
11390 Adjust call to report_diagnostic, diagnostic_for_decl.
11391 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
11392 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
11394 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
11395 varaible argument list.
11397 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
11399 * cpphash.c: Don't include hashtab.h. Most macro-handling code
11400 moved to cppmacro.c.
11401 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
11402 dump_hash_helper): Delete.
11403 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
11404 cpp_forall_identifiers): New. Implement specialized version of
11405 Vlad's expandable hash table.
11406 (cpp_lookup): Use new functions.
11407 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
11409 * cppmacro.c: New file.
11410 * cppinit.c (dump_macros_helper): New.
11411 (cpp_finish): Iterate over the identifier table directly.
11412 * cpplex.c (parse_name): Calculate the hash of the identifier
11413 while we scan it. Use _cpp_lookup_with_hash when we can.
11415 * cpphash.h: Update prototypes.
11416 (xcnewvec, HASHSTEP): New helper macros.
11417 * cpplib.h: Update prototypes.
11418 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
11419 (cppmacro.o): New rule.
11420 (cpphash.o): Update deps.
11422 * cppmain.c: Do not set pfile->printer if no_output is on.
11424 2000-07-15 Neil Booth <neilb@earthling.net>
11426 * cpplib.c: Change all directive-handler functions to return
11428 * cpphash.h: Update typedefs.
11430 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
11432 * configure: Regenerate.
11434 * extend.texi (Extended Asm): Mention that a memory clobber
11435 does not count as a side-effect.
11437 * unroll.c (copy_loop_body): Fix one instance of using host
11438 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
11441 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
11443 2000-07-17 Richard Henderson <rth@cygnus.com>
11445 * config/ia64/ia64.md (movdi): Split out load address code.
11446 New post-reload splitter for symbolic operands.
11447 (movdi_internal): Abort if we didn't split symbolic operands
11448 when we should have.
11449 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
11450 (ia64_reorg): Split insns when not optimizing.
11451 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
11453 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
11455 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
11456 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
11458 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
11460 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
11462 2000-07-17 Jason Merrill <jason@redhat.com>
11464 * Makefile.in (clean): Remove libgcc directory.
11466 * configure.in (-Wno-long-long check): Use higher-level macros.
11468 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
11470 * simplify-rtx.c (simplify_binary_operation): Recognize
11471 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
11472 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
11473 a CONST_INT, it will always be zero.
11475 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
11477 * loop.c (check_dbra_loop) : Return if more than one condition is
11478 present to control the loop.
11480 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
11482 * mips.c (mips_expand_prologue): Don't calculate the last argument
11483 register unless we need it. When we are calculating this, make
11484 sure FUNCTION_ARG is giving us a REG.
11486 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11488 * flow.c (libcall_dead_p): Use single_set to verify the insn
11489 has only one set and get for analysis.
11490 (propagate_one_insn): Don't pass the PATTERN of the insn.
11492 2000-07-17 Mark Klein <mklein@dis.com>
11494 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
11496 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11498 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
11499 * configure.in (TARGET_GETGROUPS_T): Evaluate.
11500 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
11501 of second argument of getgroups.
11502 * configure, config.in: Rebuilt.
11504 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
11506 * simplify-rtx.c (simplify_relational_operation): Two signed
11507 values with equal high words are less/greater than each other if
11508 their low words are less/greater when considered as unsigned.
11510 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
11512 * configure.in (vax-*-openbsd): Change to new style configuration,
11513 add collect2/float_format information.
11514 * configure: Rebuilt.
11515 * config/vax/openbsd1.h: New.
11516 * config/vax/openbsd.h: New.
11517 * config/vax/t-openbsd: New.
11519 2000-07-17 Chip Salzenberg <chip@valinux.com>
11521 * c-common.c (shorten_compare): Quiet warnings about unsigned
11522 comparisons with zero when they occur in a system header.
11524 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
11526 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
11527 update to describe current practice.
11529 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
11531 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
11532 references to C9X. Change references to -fstd and -flang-isoc9x
11535 * c-common.c (scan_char_table): Allow "z" length modifiers on
11537 (check_format_info): Use TYPE_DOMAIN on the type matched against
11538 for "z" formats, to retrieve the language size_t rather than the
11541 * c-common.c (check_format_info): Do not make a pedantic objection
11542 to the 'L' length modifier if used with a floating point type
11545 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
11546 constants in C99 mode.
11548 2000-07-17 Kazu Hirata <kazu@hxi.com>
11550 * h8300.md: Fix the format of mac.
11551 (movsi_h8300hs): Output a tab after stmac instead of a space.
11553 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
11554 profitable adds/subs sequences.
11556 * fold-const.c: Fix comment typos.
11558 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
11560 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
11562 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11564 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
11566 2000-07-16 Neil Booth <NeilB@earthling.net>
11568 * cpplex.c: Update comments.
11569 * README.Portability: Small update.
11571 2000-07-16 Neil Booth <NeilB@earthling.net>
11573 * README.Portability: Small update.
11575 2000-07-15 Richard Henderson <rth@cygnus.com>
11577 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
11578 * config/ia64/ia64.c (ia64_move_ok): New function.
11579 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
11580 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
11582 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
11584 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
11585 immediately following a paste operator.
11586 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
11587 (cpp_reader_init): Call it, if HOST_EBCDIC.
11588 (cpp_handle_options): Do not sort option list here.
11589 (handle_option): Rename to cpp_handle_option and export.
11590 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
11591 _cpp_get_token directly.
11592 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
11593 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
11594 * cpplib.h: Prototype cpp_handle_option. Update prototype of
11597 2000-07-15 Richard Henderson <rth@cygnus.com>
11599 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
11600 cast around an expression. Tidy other unsigned tests.
11602 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
11604 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
11605 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
11606 (v_message_with_decl): Rename to ...
11607 (format_with_decl): ... this. Tweak
11608 (diagnostic_for_decl): New function.
11609 (fatal_io_error): Use verbatim in lieu of notice.
11610 (announce_function): Use verbatim.
11611 (default_print_error_function): Likewise.
11612 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
11615 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11617 * mips.c (function_arg_pass_by_reference): Don't do automatic
11618 aggregate initialization.
11619 (machine_dependent_reorg): Initialize variable `mode'.
11621 * mips.md (absdi2): Change variable `regno1' to unsigned int.
11622 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
11623 conflicts with sys/param.h macro of the same name.
11624 (reload_outdi): Likewise.
11626 2000-07-15 Michael Meissner <meissner@redhat.com>
11628 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
11629 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
11630 create a new node instead.
11632 2000-07-15 Neil Booth <NeilB@earthling.net>
11634 * README.Portability: Correct example about calling a function
11635 through a pointer to function. Format wide paragraphs.
11637 2000-07-15 Michael Meissner <meissner@redhat.com>
11639 * README.Portability: Update integer suffixes and function
11640 prototype sections.
11642 2000-07-15 Neil Booth <NeilB@earthling.net>
11644 * README.Portability: Small update.
11646 2000-07-15 Neil Booth <NeilB@earthling.net>
11648 * README.Portability: New file.
11650 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
11652 * INSTALL: Give special instructions for building GCC on Irix 6.
11653 * config/mips/x-iris6 (CC): Don't set it.
11656 2000-07-14 Jason Merrill <jason@redhat.com>
11658 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
11659 register in the stack and later in another register, use the new
11662 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
11664 * config/mips/mips.md: (absdi2): Handle sign_extend for
11667 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
11669 * cpplib.c (do_pragma_dependency): Tidy warning messages.
11671 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
11673 * .cvsignore: Correct typo.
11675 2000-07-13 Mark Mitchell <mark@codesourcery.com>
11677 * .cvsignore: Add generated YACC files.
11678 * objc/.cvsignore: New file.
11680 2000-07-14 Neil Booth <NeilB@earthling.net>
11682 * cpplex.c (adjust_column): New funcion.
11683 (skip_whitespace): Use it.
11684 (skip_block_comment): Use it, and warn about /*/* with
11687 2000-07-14 Neil Booth <NeilB@earthling.net>
11689 * cpphash.c (struct macro_info): Add new members.
11690 (_cpp_free_definition): Delete the macro directly.
11691 (count_params): Return void, with first token of
11692 expansion in struct macro_info on success.
11693 (parse_define): Return int. Hoist syntax checking from
11694 save_macro_expansion. Leave call to save_expansion to
11695 _cpp_create_definition.
11696 (alloc_macro): Needs just 2 arguments.
11697 (free_macro): Delete.
11698 (save_expansion): Don't perform syntax check.
11699 (_cpp_create_definition): Call save_expansion.
11701 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11703 * genrecog.c (write_header): Split long string.
11705 * cpphash.c (macro_info): Don't use the `signed' keyword.
11707 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
11709 2000-07-13 Jakub Jelinek <jakub@redhat.com>
11711 * calls.c (stored_args_map): New variable.
11712 (check_sibcall_argument_overlap_1): New.
11713 (check_sibcall_argument_overlap): New.
11714 (expand_call): Initialize stored_args_map.
11715 Call check_sibcall_argument_overlap.
11717 2000-07-13 Bruce Korb <bkorb@gnu.org>
11719 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
11720 (emit_gnu_type): utility procedure for gnu_type_fix
11721 (gnu_type_fix): implement various pre-processor guards around
11722 standard types so these types can be defined over and over
11723 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
11724 types alluded to above will have GNU-compliant base types
11725 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
11726 * fixinc/inclhack.def: add test_text entries and utilize the new
11727 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
11728 * fixinc/fixincl.x: regenerate
11730 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
11732 * diagnostic.c (vline_wrapper_message_with_location,
11733 v_message_with_file_and_line, v_error_with_file_and_file,
11734 v_error_for_asm, v_warning_for_asm, vfatal,
11735 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
11736 vsorry, verror, vwarning, vpedwarn): Remove.
11737 (diagnostic_for_asm): New function.
11738 (pedwarn, error, warning, pedwarn_with_file_and_line,
11739 error_with_file_and_line, warning_with_file_and_line, sorry,
11740 error_for_asm, warning_for_asm, fatal): Reimplement.
11741 (finish_diagnostic): Clear diagnostic info as well.
11743 2000-07-13 Neil Booth <NeilB@earthling.net>
11745 * c-common.h (flag_digraphs): New.
11746 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
11747 * c-lex.c (yylex): Use flag_digraphs to decide whether to
11750 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
11752 * gcc.c (do_spec_1): Add new %B operator.
11753 (set_input): Prepare for %B.
11755 (link_command_spec): Move up with the other tm.h-
11756 overrideable specs. Factor out the portion conditional on
11757 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
11758 (struct compiler): Just have a single spec string. All users
11760 (default_compilers): Remove unnecessary braces.
11761 (static_specs): Update.
11763 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
11765 (C and assembly specs): Use the new named specs, as appropriate.
11767 * objc/lang-specs.h: Use the new named specs.
11768 Remove unnecessary braces.
11770 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11772 * gcc.c (execute): If a subprocess gets a fatal signal, report
11773 strsignal() of the signal number, and ask for a bug report.
11774 Do not do this for SIGPIPE if there's already been an error.
11776 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
11777 Delete pipe_closed.
11779 * tradcif.c: Remove.
11781 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11783 * final.c (profile_function): Do not emit profile counters in
11784 the data section, if NO_PROFILE_COUNTERS is defined.
11785 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
11788 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
11789 (FUNCTION_PROFILER): Just emit a call to mcount.
11791 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11793 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
11795 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
11796 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
11797 traditional, lang_chill, or lang_fortran.
11799 * cppfiles.c: #undef strcmp to suppress warning about macros
11800 used without arguments.
11801 (_cpp_execute_include): Use f, not fname, in "No include path"
11803 (_cpp_pop_file_buffer): New function.
11804 * cpplib.c: Don't include <sys/mman.h>.
11805 (cpp_push_buffer): Set line_base and lineno in new buffer.
11806 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
11808 * cpplex.c: Move all prototypes and structure declarations to the
11809 top of the file. Properly parenthesise some macro arguments.
11810 (cpp_scan_line): New function.
11811 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
11812 don't need to walk up the stack counting.
11814 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11816 * c-common.c (combine_strings): Emit a pedantic warning when a
11817 string length is greater than the minimum ANSI C is required
11820 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
11822 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
11823 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
11825 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11827 * c-decl.c (define_label): Warn about identifier conflicts with
11828 labels in traditional C.
11830 * c-parse.in (unop +): Warn about the unary plus operator for
11833 * c-typeck.c (store_init_value): Warn about automatic aggregate
11834 initialization for traditional C.
11836 * invoke.texi (-Wtraditional): Document new warnings.
11838 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11840 * Makefile.in (c-errors.o): Fix thinko in dependency.
11842 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11844 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
11845 -traditional, -ftraditional, or -traditional-cpp was given.
11846 Do not pass -traditional to the preprocessor.
11847 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
11848 preprocessor does it automatically.
11849 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
11851 * ch/lang-specs.h: Always use tradcpp. Do not pass
11852 -traditional, -trigraphs, or -pedantic to the preprocessor.
11853 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
11856 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11858 * cppexp.c (LOGICAL): Delete macro.
11859 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
11862 * cpphash.c (HASHSIZE): Increase to 4096.
11863 (struct hashdummy): Add hash field.
11864 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
11865 the string values using memcmp.
11866 (cpp_lookup): Set dummy.hash.
11868 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
11870 * configure.in (m88k-openbsd): Express configuration using new fragment
11872 * configure: Rebuilt.
11873 * m88k/aout-dbx.h: New.
11874 * m88k/openbsd.h: New.
11875 * m88k/xm-openbsd.h: New.
11877 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11879 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
11881 2000-07-12 Richard Henderson <rth@cygnus.com>
11883 * reload.c (push_secondary_reload): Make sure to add the new
11884 reload at the end, after acquiring secondary memory.
11886 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11888 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
11890 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
11891 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
11893 * c-parse.in (stmt): Delete unused variables.
11895 * convert.c (convert_to_vector): Likewise.
11897 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
11899 * tree.c (finish_vector_type): Prototype.
11901 2000-07-12 Bruce Korb <bkorb@gnu.org>
11903 * fixinc/fixfixes.c: use xmalloc
11904 * fixinc/fixincl.c(initialize): set program name for xmalloc
11905 * fixinc/fixlib.c(must_malloc): obsolete
11906 (is_cxx_header): no longer used - disabled
11907 (skip_quote): inserted and disabled for future use
11908 * fixinc/fixlib.h: reflects above
11909 * fixinc/fixtests.c: removed dinkleberries
11911 2000-07-12 Neil Booth <NeilB@earthling.net>
11913 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
11914 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
11916 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
11917 struct toklist_dummy): New.
11918 (cpp_free_definition): Free macros with free_macro.
11919 (count_params): Don't save paramter spellings. Save macro
11920 information in a struct macro_info.
11921 (parse_define): Don't allocate a token list.
11922 (save_expansion): Allocate the macro's token list, and
11923 save parameter spellings if necessary. Use TOKEN_SPELL.
11924 (cpp_create_definition): Make list const.
11926 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11928 * c-typeck.c (pedwarn_c99): Move to
11929 * c-errors.c: ... Here.
11930 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
11931 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
11932 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
11933 (c-errors.o): List dependency.
11935 2000-07-12 Mark Mitchell <mark@codesourcery.com>
11937 * c-parse.c: Remove.
11938 * c-parse.h: Likewise.
11939 * c-parse.y: Likewise.
11940 * objc/objc-parse.c: Likewise.
11941 * objc/objc-pasre.y: Likewise.
11943 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
11945 * gcc.texi: Fix minor typos
11946 * extend.texi: Fix minor typos
11948 2000-07-11 Marc Espie <espie@openbsd.org>
11950 * collect2.c (main): Recognize .lo as object files.
11952 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11954 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
11957 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
11958 with MAP_ANONYMOUS and MAP_ANON.
11959 * configure, config.in: Rebuilt.
11961 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11963 * diagnostic.c (save_output_state): Remove.
11964 (restore_output_state): Likewise.
11965 (clear_text_info): New function.
11966 (clear_diagnostic_info): Likewise.
11967 (output_text_length, is_starting_newline, output_prefix,
11968 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
11969 prefixing_policy, output_buffer_ptr_to_format_args): New macros
11970 (set_real_maximum_length, output_set_maximum_length,
11971 output_set_prefix, output_get_prefix, output_set_maximum_length,
11972 output_destroy_prefix, init_output_buffer,
11973 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
11974 output_add_newline, output_add_character, output_add_space,
11975 output_append_r, output_append, wrap_text, output_format,
11976 output_do_printf, output_printf, output_do_verbatim,
11977 output_verbatim, verbatim): Use them.
11978 (output_clear): Split into cleat_text_info and
11979 clear_diagnostic_info.
11980 (struct output_state): Move to...
11982 * diagnostic.h: ...Here
11983 (struct output_buffer): Adjust.
11985 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
11987 * cpplex.c (parse_name): No longer inline (premature optimization).
11988 (do_pop_context): Fold into pop_context.
11989 (pop_context): Returns int.
11990 (lex_next): Hoist test for end of directive into pop_context.
11991 (push_macro_context): Returns int; takes just reader and token.
11992 Hoist test for excessive nesting to caller.
11993 (push_arg_context): Returns void; takes just reader and token.
11994 Do not call stringify_arg or get_raw_token.
11995 (get_raw_token): Convert tail recursion through push_arg_context
11996 to a loop at this level. Call stringify_arg here if appropriate.
11997 (maybe_paste_with_next): Convert tail recursion to a while loop.
11998 Hoist test of paste_level to caller.
12000 (stringify_arg): Push arg context at beginning.
12001 (cpp_get_token): Split out core into _cpp_get_token. Call
12002 process_directive here. Throw away CPP_PLACEMARKER tokens.
12003 (_cpp_get_token): Convert tail recursion through
12004 push_macro_context to a loop at this level.
12005 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
12006 _cpp_get_raw_token): Use _cpp_get_token.
12007 (_cpp_skip_rest_of_line): Drop the context stack directly; do
12008 not call pop_context.
12009 (_cpp_run_directive): Call lex_next directly.
12011 * cpphash.h: Prototype _cpp_get_token.
12012 * cppexp.c (lex): Use it.
12013 * cpphash.c (parse_define): Use it.
12014 * cpplib.c (get_define_node, do_undef, parse_include,
12015 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
12016 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
12017 parse_ifdef, validate_else): Use it.
12018 (cpp_push_buffer): Tweak error message; abort if anyone tries
12019 to push a buffer while macro expansions are stacked.
12021 2000-07-11 Donn Terry <donnte@microsoft.com>
12023 * cpplex.c (free_macro_args, save_token): Cast arg of free
12024 and/or xrealloc to PTR.
12025 (_cpp_init_input_buffer): Clear all fields of the base context.
12027 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
12029 * gensupport.c (process_rtx): Make rtl checking stop
12030 complaining about the define_insn while it is being
12031 converted from a define_insn_and_split.
12033 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
12035 * config/mips/mips.c (simple_memory_operand): Access the
12036 INTVAL of the address, not it's containing MEM.
12038 2000-07-11 Bruce Korb <bkorb@gnu.org>
12040 * fixinc/fixtests.c(double_slash): obsolete
12041 (else_endif_label): likewise
12042 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
12043 (libc1_ifdefd_memx): correct initial comment
12044 and omit the #if/#endif pair from the memxxx declarations
12045 * fixinc/fixincl.x: regen
12047 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12049 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
12051 2000-07-11 Neil Booth <NeilB@earthling.net>
12053 * cpp.texi: Update.
12055 2000-07-11 Neil Booth <NeilB@earthling.net>
12057 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
12058 (handle_option): Set digraphs according to standard.
12059 Merge OPT_lang_c89 handler with OPT_std_c89.
12061 * cpplex.c: (lex_line, can_paste): Honour digraphs in
12062 accordance with the digraphs flag.
12064 * cpplib.h: (struct cpp_options): New option digraphs.
12066 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
12067 Bruce Korb <bkorb@gnu.org>
12069 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
12070 * fixinc/fixincl.x: Regenerate.
12071 * fixinc/tests/base/testing.h: Add testcase.
12073 2000-07-10 Richard Henderson <rth@cygnus.com>
12075 * config/ia64/ia64.c (got_symbolic_operand): New.
12076 (symbolic_operand, move_operand): Revert 0701 change.
12077 * config/ia64/ia64.h (PREDICATE_CODES): Update.
12078 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
12079 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
12080 split the offset into a 14-bit low part instead of a 13-bit low part.
12081 (load_fptr): Mark the mem as unchanging.
12082 (load_symptr): Use got_symbolic_operand.
12084 2000-07-10 Nick Clifton <nickc@cygnus.com>
12086 * libgcc2.c (next_stack_level): Cast result of computation to
12087 (void **) so that the assignment does not generate a warning.
12089 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
12091 * flags.h : Add new variable flag_single_precision_constant.
12092 * toplev.c (display_help) : Add -fsingle-precision-constant option.
12093 (flag_single_precision_constant): New.
12094 * c-lex.c (yylex): Convert floating point constant to single
12095 precision constant.
12096 * invoke.texi : Add documentation for this new option.
12098 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
12100 * diagnostic.c (output_octal): Second parameter is unsigned.
12101 (output_long_octal): Likewise.
12102 (output_hexadecimal): Likewise.
12103 (output_long_hexadecimal): Likewise.
12104 (output_format): Adjust arguments extraction. Tweak.
12105 (output_verbatim, verbatim): End variable argument list.
12106 (report_diagnostic): Improve documentation.
12108 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
12110 * c-common.h (build_stmt): Declare.
12111 (build_continue_stmt): Likewise.
12112 (build_break_stmt): Likewise.
12113 (build_return_stmt): Likewise.
12115 * c-decl.c (do_case): Rewrite to do what previously done in
12118 * c-semantics.c (build_stmt): Define.
12119 (build_return_stmt): Likewise.
12120 (build_break_stmt): Likewise.
12121 (build_continue_stmt): Likewise.
12122 (build_case_label): Likewise.
12124 * c-parse.in (BREAK): Change to build tree, then generate RTL.
12125 (CONTINUE): Likewise.
12126 (RETURN): Likewise.
12128 (DEFAULT): Likewise.
12130 * c-parse.y: Regenerate.
12131 * c-pasre.c: Likewise.
12133 2000-07-09 Jason Merrill <jason@redhat.com>
12135 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
12137 * tree.h (STRIP_NOPS): Check for error_mark_node.
12138 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
12139 (dwarf2out_*): Remove duplicate declarations.
12141 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
12142 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
12144 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
12146 * diagnostic.c (wrap_text): New function.
12147 (maybe_wrap_text): Likewise.
12148 (output_add_string): Use it.
12149 (output_format): Likewise.
12150 (count_error): Use verbatim instead of notice.
12151 (report_error_function): Likewise. Don't use plain fprintf.
12152 (finish_diagnostic): New function.
12153 (output_do_verbatim): Tweak. Commonalize functionalities in
12154 output_verbatim and verbatim.
12155 (output_verbatim): Adjust.
12156 (verbatim): Likewise.
12157 (report_diagnostic): Define.
12159 * diagnostic.h (report_diagnostic): Prototype.
12161 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
12163 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
12165 2000-07-09 Neil Booth <NeilB@earthling.net>
12167 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
12168 IShspace, ISspace: Update.
12170 * cppinit.c: ISTABLE: Update.
12173 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
12174 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
12175 (skip_block_comment, skip_line_comment, parse_string,
12176 lex_line): Use is_vspace rather than IS_NEWLINE.
12177 (skip_whitespace, lex_line): Clean up to use is_nvspace.
12178 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
12180 (lex_next): Unconditionally stop if within a directive.
12181 Treat directives within macro invocations as directives
12182 (after parse_args emits error), not as the argument.
12184 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
12186 * diagnostic.c (diagnostic_args): New macro.
12187 (diagnostic_msg): Likewise.
12188 (output_formatted_integer): Likewise.
12189 (output_state): New data type.
12190 (digit_buffer): Make global.
12191 (output_add_integer): Rename to output_decimal. Squeeze
12193 (output_long_decimal, output_unsigned_decimal,
12194 output_long_unsigned_decimal, output_octal, output_long_octal,
12195 output_hexadecimal, output_long_hexadecimal): New functions.
12196 (output_append_r): New function.
12197 (output_append): Tweak.
12198 (output_flush_on): Rename to output_to_stream.
12199 (output_format): Change prototype. Improve documentation. Handle
12200 more format specifiers.
12201 (build_location_prefix): Rename to context_as_prefix.
12202 (output_notice): Rename to output_do_printf.
12203 (output_printf): Tweak.
12204 (line_wrapper_printf): Likewise.
12205 (vline_wrapper_message_with_location): Adjust call to renamed
12207 (v_message_with_decl): Likewise.
12208 (default_print_error_function): Likewise.
12209 (save_output_state): New function.
12210 (restore_output_state): Likewise.
12211 (output_do_verbatim): Likewise.
12212 (output_verbatim): Define.
12213 (verbatim): Likewise.
12215 * diagnostic.h (printer_fn): Change return type from void to int.
12216 Improve documentation.
12217 (output_add_integer): Rename to output_decimal.
12218 (output_flush_on, output_format): Don't export.
12219 (output_verbatim, verbatim): Declare.
12221 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
12223 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
12224 Check whether c divides op1 exactly if operation is not
12227 2000-07-08 Richard Henderson <rth@cygnus.com>
12229 * final.c (final): Do not abort when reg-stack introduces
12232 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
12234 * cpplib.h (struct cpp_name): Now struct cpp_string.
12235 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
12236 CPP_HEADER_NAME): Change to type S.
12237 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
12238 field, a cpp_hashnode *. All references to val.name updated
12239 to use val.str or val.node as appropriate.
12240 (struct cpp_reader): Add spec_nodes field.
12241 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
12243 * cpphash.h (struct spec_nodes): New.
12244 (enum spell_type): Reorder. Only SPELL_STRING tokens use
12245 val.str. All references to 'spelling > SPELL_NONE' updated to
12248 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
12249 pfile->buffer->inc are not NULL before dereferencing them.
12251 * cpplex.c (parse_name): Take a pointer to the current token,
12252 plus current position and limit as args; return the new
12253 position; don't copy the text of a name into the string
12254 buffer, instead call cpp_lookup and store the node pointer.
12255 If extending a token, copy out the text of the old into a
12256 scratch buffer, append the new, look that up and store the new
12257 node pointer. Inline.
12258 (maybe_paste_with_next): If the result of paste is a NAME,
12259 then look up the pasted text and store its node pointer.
12260 (lex_line): Adjust for new parse_name interface.
12261 Check for L"str", L'str' using spec_nodes->n_L.
12262 (spell_token): SPELL_IDENT tokens have their spelling in
12263 val.node->name. Handle SPELL_STRING tokens that don't have
12265 (_cpp_expand_name_space,
12266 (can_paste): Check for L ## "str" using spec_nodes->n_L.
12267 (cpp_get_token, special_symbol): No need to call cpp_lookup.
12268 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
12269 return 1=equal 0=not, not a tristate.
12271 * cpphash.c (var_args_str): Delete.
12272 (find_param): Compare node fields directly.
12273 (is__va_args__): Use CPP_PEDANTIC. Just compare
12274 token->val.node with spec_nodes->n__VA_ARGS__.
12275 (dump_funlike_macro): Don't use var_args_str.
12277 * cpplib.c (_cpp_check_directive): Just walk through
12278 spec_nodes->dirs comparing pointers.
12279 (get_define_node, do_pragma_poison, detect_if_not_defined,
12280 parse_ifdef): The identifier has already been looked up.
12281 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
12283 (do_if): Only call detect_if_not_defined at beginning of file.
12284 (_cpp_parse_assertion): Only copy string pointers for
12285 SPELL_STRING tokens.
12286 (pragma_dispatch): Take a node pointer and examine its name
12288 (_cpp_init_stacks): Also initialize the spec_nodes structure.
12290 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
12292 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
12293 reverse order from the corresponding _cpp_init_* routines.
12295 * cppexp.c (parse_number, parse_charconst, parse_defined,
12296 lex): Check val.node->type instead of calling cpp_defined.
12297 Use spec_nodes entries where appropriate.
12299 * fix-header.c, scan-decls.c: Update for interface changes.
12301 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
12303 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
12304 emitting aux_truncdfsf2.
12306 2000-07-03 Donn Terry (donnte@microsoft.com)
12308 * cppinit.c (print_help): split overlong line into ISO C89
12311 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
12313 * cppexp.c: Update all code for new lexer interface.
12314 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
12315 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
12316 * cpplex.c (token_names): Trim leading CPP_ from names; make
12317 the strings unsigned.
12318 (_cpp_spell_operator): New.
12319 (is_macro_disabled): Disable all macros if rescanning
12321 (_cpp_get_directive_token): Remove.
12323 * cppinit.c: Don't set no_macro_expand.
12324 * cpplib.c (read_line_number, do_line): Check only for EOF,
12326 * cpphash.h: Update prototypes.
12327 * cpplib.h (CPP_VSPACE): Remove.
12328 (struct cpp_reader): Remove no_macro_expand.
12330 2000-07-08 Neil Booth <NeilB@earthling.net>
12332 * cpphash.c (is__va_args__): New function.
12333 (count_params): Fix line reported in error messages. Use
12334 is__va_args__. Don't return ')' on error. Flag GNU style
12335 rest args macro definitions.
12336 (parse_define): Check macro name is not __VA_ARGS__.
12337 (save_expansion): Check identifier in non-varargs-macro is
12338 not __VA_ARGS__. Don't flag GNU_VARARGS.
12339 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
12340 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
12341 than per-token GNU_VARARGS.
12342 * cpplib.h (GNU_VARARGS): Remove.
12343 (GNU_REST_ARGS): New.
12345 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
12347 * i386.md (call_pop, call, call_value_pop): Do not set
12348 current_function_uses_pic_offset_table for calls to static
12349 functions or indirect calls.
12351 2000-07-07 Jim Wilson <wilson@cygnus.com>
12353 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
12354 is_predicate_reg, then take max write_count of register pair.
12356 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12358 * tradcpp.c (main): Rename label `include' to `add_include' to
12359 avoid conflicts with variable `include' in traditional C.
12361 2000-07-07 Jakub Jelinek <jakub@redhat.com>
12363 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
12365 2000-07-07 Jakub Jelinek <jakub@redhat.com>
12367 * sibcall.c (uses_addressof): Add INMEM argument, check for
12368 current_function_internal_arg_pointer outside of MEM rtxs in addition
12370 (sequence_uses_addressof): Update caller.
12372 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
12374 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
12377 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12379 * system.h (UNION_INIT_ZERO): New macro for initializing union
12380 members in structs.
12382 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
12384 2000-07-07 Neil Booth <NeilB@earthling.net>
12386 * cpp.texi: Update.
12388 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
12390 * final.c (final): Detect out of bounds array access to
12391 the insn_lengths array.
12393 2000-07-07 Kazu Hirata <kazu@hxi.com>
12395 * fold-const.c (fold): Fix a comment typo.
12397 2000-07-07 Neil Booth <NeilB@earthling.net>
12399 * cpp.texi: Update to new lexer.
12401 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
12403 * tradcpp.c: New file.
12404 * tradcif.y: New file.
12405 * tradcif.c: New generated file.
12407 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
12408 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
12409 dependencies of C. Install tradcpp from install-common, in
12412 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
12414 * cppinit.c: Include cppdefault.h. Refer to
12415 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
12416 to GCC_INCLUDE_DIR and its length.
12417 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
12418 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
12419 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
12421 (include_defaults_array): Move to cppdefault.c.
12423 * cppdefault.h: New file.
12424 * cppdefault.c: New file.
12426 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
12427 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
12428 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
12431 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12433 * reload.c (push_reload): When seeing if can reuse a register,
12434 check extra registers against widest of INMODE and OUTMODE.
12436 2000-07-06 Neil Booth <NeilB@earthling.net>
12438 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
12439 based on full length of predicate.
12441 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
12443 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
12444 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
12446 2000-07-05 Kazu Hirata <kazu@hxi.com>
12448 * h8300-proto.h: Fix formatting.
12449 * h8300.c: Likewise.
12450 * h8300.h: Likewise.
12452 2000-07-05 Jim Wilson <wilson@cygnus.com>
12454 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
12457 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
12459 * invoke.texi: Fix minor typos
12460 * md.texi: Fix minor typos
12462 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
12464 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
12466 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
12468 * cpplex.c: Don't include sys/mman.h.
12469 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
12471 * cpplib.c: Include sys/mman.h and obstack.h.
12472 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
12474 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
12475 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
12476 bother freeing if stack entries (they will be freed with their buffer).
12477 (do_endif): Free if stack entries from the buffer obstack.
12478 (push_conditional): Allocate if stack entries from the buffer obstack.
12480 (find_answer): Rename to _cpp_find_answer.
12481 (do_assert, do_unassert): Update.
12483 * cpphash.h: Update prototypes.
12484 (xobnew): New convenience macro.
12485 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
12487 (struct cpp_hashnode): Remove disabled field.
12489 * cppinit.c: Don't include hashtab.h or splay-tree.h.
12490 (report_missing_guard): Moved to cppfiles.c.
12491 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
12493 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
12494 cpp_cleanup_includes. Don't destroy hashtab or
12495 all_include_files here.
12496 (cpp_finish): Use _cpp_report_missing_guards.
12498 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
12499 (_cpp_init_include_table): Rename _cpp_init_includes.
12500 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
12502 * cppexp.c (parse_assertion): Update for new name of
12505 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
12507 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
12509 * cpplib.c (do_ident): s/VSPACE/EOF/
12511 2000-07-05 Neil Booth <NeilB@earthling.net>
12513 * cpplex.c: Fix trigraph replacement within strings.
12515 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12517 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
12519 * xcoffout.c (assign_type_number): Constify.
12520 (xcoffout_source_file): Add static prototype. Don't needlessly
12521 cast away const-ness.
12523 2000-07-04 Jason Merrill <jason@redhat.com>
12525 * frame.h (frame_state): Move base_offset to end.
12527 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
12529 * calls.c (emit_library_call_value_1): Revert previous change.
12531 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
12533 * fix-header.c (struct partial_proto): Remove unnecessary fields.
12534 (recognized_extern, recognized_function, read_scan_file):
12535 Update for new scheme.
12536 (check_protection): It's still a multiple include guard even
12537 if it doesn't always trigger.
12538 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
12540 * scan.h: Declare struct cpp_token. Update prototypes.
12542 2000-07-03 Neil Booth <neilb@earthling.net>
12543 Zack Weinberg <zack@wolery.cumb.org>
12545 Complete overhaul of the lexer and macro expander.
12547 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
12548 arg, arglist, argdata, reflist, collect_objlike_expansion,
12549 collect_funlike_expansion, collect_params,
12550 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
12551 unsafe_chars, macarg, compare_defs, special_symbol,
12552 scan_arguments, stringify, funlike_macroexpand,
12553 _cpp_quote_string, monthnames): Delete.
12554 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
12555 _cpp_create_definition, _cpp_dump_definition,
12556 dump_hash_helper): Adjust.
12557 (find_param, count_params, parse_define, var_args_str,
12558 check_macro_redefinition, save_expansion): New.
12560 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
12561 parse_string, output_line_command, trigraph_replace,
12562 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
12563 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
12564 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
12565 _cpp_skip_rest_of_line): Modify.
12567 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
12568 find_position, null_warning, bump_column, expand_name_space,
12569 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
12570 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
12571 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
12572 _cpp_prescan): Delete.
12574 (dump_param_spelling, process_directive, lex_next,
12575 is_macro_disabled, stringify_arg, expand_context_stack,
12576 output_token, make_string_token, alloc_number_token,
12577 special_symbol, duplicate_token, maybe_paste_with_next,
12578 can_paste, prevent_macro_expansion, restore_macro_expansion,
12579 get_temp_token, release_temp_tokens, quote_string,
12580 token_names, token_spellings, _cpp_expand_name_space,
12581 _cpp_glue_header_name, _cpp_reserve_name_space,
12582 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
12583 placemarker_token, eof_token, cpp_context, macro_args,
12584 get_raw_token, parse_arg, parse_args, save_token,
12585 push_arg_context, push_macro_context, pop_context,
12586 do_pop_context, free_macro_args, _cpp_get_line,
12587 _cpp_run_directive): New.
12589 * cpplib.c (validate_else, parse_include, push_conditional,
12590 pass_thru_directive, read_line_number, parse_ifdef,
12591 detect_if_not_defined, _cpp_check_directive, do_define,
12592 do_undef, do_include, do_import, do_include_next, do_error,
12593 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
12594 top_pragmas, do_pragma_gcc, do_pragma_implementation,
12595 do_pragma_poison, do_pragma_system_header,
12596 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
12597 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
12598 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
12599 cpp_defined): Update for new scheme.
12600 (strtoul_for_line, get_define_node, dump_macro_name,
12601 _cpp_check_linemarker, _cpp_parse_assertion): New.
12602 (_cpp_handle_directive, do_pragma_default): Delete.
12604 * cpphash.h (struct predicate): Now struct answer.
12605 (enum spell_type, struct token_spelling, struct directive,
12606 directive_handler): New.
12607 Update prototypes. Remove unused macros.
12608 * cpplib.h: Update prototypes. Remove unused macros,
12609 structure definitions, and fields.
12611 * cpperror.c (print_containing_files, v_message): Adjust.
12612 * cppexp.c (parse_assertion, lex, parse_escape,
12613 _cpp_parse_expr): Adjust.
12614 * cppfiles.c (open_include_file, _cpp_execute_include,
12615 _cpp_compare_file_date, cpp_read_file, read_include_file):
12617 * cppinit.c (dump_special_to_buffer): Delete.
12618 (append_include_chain, merge_include_chains, cpp_reader_init,
12619 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
12620 cpp_finish, handle_option, print_help): Adjust.
12621 * cppmain.c (main): Adjust.
12623 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
12625 * cppspec.c (lang_specific_driver): Use double quotes in error
12628 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
12630 * calls.c (emit_library_call_value_1): Use valreg instead
12631 of hard_libcall_value.
12633 2000-07-03 Geoff Keating <geoffk@cygnus.com>
12635 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
12636 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
12637 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
12645 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
12646 mode instead of wider_mode is being used.
12648 2000-07-03 Jakub Jelinek <jakub@redhat.com>
12650 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
12651 of 'r'. Use q_regs_operand.
12652 (andsi_1+2): Use q_regs_operand.
12654 2000-07-03 Jakub Jelinek <jakub@redhat.com>
12656 * builtins.c (get_memory_rtx): Always put into alias set 0.
12658 2000-07-03 Nick Clifton <nickc@cygnus.com>
12660 * config/arm/arm.md: Fix post increment and pre increment
12661 peepholes so that they do not generate UNPREDICATBLE opcodes.
12662 (ie ones where the increment clobbers the source/destination).
12664 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
12666 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
12667 change too big for -mtiny-stack" a warning, if larger than 63.
12668 (out_set_stack_ptr): Change the logic so -mno-interrupts is
12669 always safe to use on possible future devices.
12670 (function_prologue): Write SPH before SPL, for consistency.
12671 If interrupt_func_p true, we know we have enabled interrupts.
12672 (avr_num_arg_regs): New function. Round up to even number of
12673 bytes if no -mpack-args or if calling a libgcc function.
12674 (function_arg, function_arg_advance): Use it.
12675 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
12676 Output "movw" if available.
12677 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
12678 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
12679 (asm_output_section_name): Add blanks for consistent output.
12680 (encode_section_info): Set TREE_READONLY for progmem data to
12681 avoid gas warnings about changed section attributes.
12682 (avr_hard_regno_mode_ok): Force non-QImode data to start in
12683 even numbered registers on devices with "movw".
12684 * config/avr/avr.h (MASK_*): Define bits for target_flags.
12685 (TARGET_SWITCHES): Mark help strings for translation.
12686 Add new -mpack-args and -menhanced switches.
12687 (TARGET_OPTIONS): Mark help strings for translation.
12688 (progmem_section): Add section attributes.
12689 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
12690 Output "movw" if available.
12691 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
12693 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
12694 call convention (arguments aligned on even registers).
12695 (_cleanup, _exit): Make weak symbols libc can override.
12697 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12699 * fp-bit.h: New file.
12701 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
12702 Comment #endif statements.
12703 (__thenan_sf, __thenan_df): Add missing braces around initializer.
12705 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
12707 * gcse.c (compute_pre_data): Compute ae_kill using other local
12708 properties instead of calling compute_ae_kill.
12710 * alias.c (init_alias_analysis): Do not call
12711 prologue_epilogue_contains until after reload has completed.
12713 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
12715 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
12716 (genrtl_finish_compound_stmt): Likewise.
12717 (genrtl_compound_stmt): Change to return void.
12719 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
12720 move code from here to ...
12721 (genrtl_compound_stmt): ... here.
12722 (genrtl_finish_compound_stmt): Remove.
12723 (expand_stmt): Add comment.
12725 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
12727 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
12730 2000-07-02 Jakub Jelinek <jakub@redhat.com>
12732 * cpplib.h (struct cpp_reader): New field include_depth.
12733 (struct cpp_printer): Rename last_bsd to last_id.
12734 * cppfiles.c (read_include_file): Bump include_depth.
12735 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
12736 (output_line_command): Output correct #line if a header
12737 is including itself and is not protected against multiple inclusion.
12738 Use include_depth instead of buffer_stack_depth, last_id instead of
12740 * cppinit.c (cpp_start_read): Initialize last_id instead of
12743 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
12745 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
12746 (c-semantics.o): New target.
12748 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
12749 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
12750 (genrtl_clear_out_block): Likewise.
12751 (genrtl_goto_stmt): Likewise.
12752 (genrtl_expr_stmt): Likewise.
12753 (genrtl_decl_stmt): Likewise.
12754 (genrtl_if_stmt): Likewise.
12755 (genrtl_while_stmt): Likewise.
12756 (genrtl_do_stmt): Likewise.
12757 (genrtl_return_stmt): Likewise.
12758 (genrtl_for_stmt): Likewise.
12759 (genrtl_break_stmt): Likewise.
12760 (genrtl_continue_stmt): Likewise.
12761 (genrtl_scope_stmt): Likewise.
12762 (genrtl_switch_stmt): Likewise.
12763 (genrtl_case_label): Likewise.
12764 (genrtl_begin_compound_stmt): Likewise.
12765 (gerntl_finish_compound_stmt): Likewise.
12766 (genrtl_compound_stmt): Likewise.
12767 (genrtl_asm_stmt): Likewise.
12768 (genrtl_decl_cleanup): Likewise.
12769 (DECL_ANON_UNION_ELEMS): Likewise.
12770 (emit_local_var): Likewise.
12771 (make_rtl_for_local_static): Likewise.
12772 (expand_cond): Likewise.
12773 (expand_stmt): Likewise.
12774 (c_expand_return): Likewise.
12775 (c_expand_start_case): Likewise.
12776 (do_case): Likewise.
12777 (COMPOUND_STMT_NO_SCOPE): Likewise.
12778 (c_expand_asm_operands): Likewise.
12779 (NEW_FOR_SCOPE_P): New macro.
12780 (expand_expr_stmt_fn): New type.
12782 (set_current_function_name_declared): Likewise.
12783 (current_function_name_declared): Likewise.
12784 (lang_expand_stmt): Likewise.
12785 (stmts_are_full_exprs_p): Likewise.
12786 (anon_aggr_type_p): Likewise.
12787 (lang_expand_expr_stmt): Likewise.
12788 (build_case_label): Likewise.
12790 * c-decl.c (lang_expand_expr_stmt): Initialize.
12791 (stmts_are_full_exprs_p): Define.
12792 (current_function_name_declared): Likewise.
12793 (do_case): Likewise.
12794 (lang_expand_stmt): Likewise.
12795 (set_current_function_name_declared): Likewise.
12796 (anon_aggr_type_p): Likewise.
12798 * c-semantics.c: New file.
12799 (expand_cond): Moved from cp/semantics.c.
12800 (genrtl_do_pushlevel): Likewise.
12801 (genrtl_clear_out_block): Likewise.
12802 (genrtl_goto_stmt): Likewise.
12803 (genrtl_expr_stmt): Likewise.
12804 (genrtl_decl_stmt): Likewise.
12805 (genrtl_if_stmt): Likewise.
12806 (genrtl_while_stmt): Likewise.
12807 (genrtl_do_stmt): Likewise.
12808 (genrtl_return_stmt): Likewise.
12809 (genrtl_for_stmt): Likewise.
12810 (genrtl_break_stmt): Likewise.
12811 (genrtl_continue_stmt): Likewise.
12812 (genrtl_scope_stmt): Likewise.
12813 (genrtl_switch_stmt): Likewise.
12814 (genrtl_case_label): Likewise.
12815 (genrtl_begin_compound_stmt): Likewise.
12816 (genrtl_finish_compound_stmt): Likewise.
12817 (genrtl_compound_stmt): Likewise.
12818 (genrtl_asm_stmt): Likewise.
12819 (genrtl_decl_cleanup): Likewise.
12820 (make_rtl_for_local_static): Moved from cp/decl.c.
12821 (emit_local_var): Likewise.
12822 (expand_stmt): Define.
12824 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
12825 (c_expand_return): Likewise.
12826 (c_expand_start_case): Likewise.
12828 2000-07-01 Richard Henderson <rth@cygnus.com>
12830 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
12831 with the low 13 bits set.
12832 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
12833 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
12834 of the low 13 bits into a CONST plus an adddi3.
12835 (load_symptr): Set RTX_UNCHANGING_P.
12837 See ChangeLog.3 for earlier changes.