1 2000-12-20 Robert Lipe <robertlipe@usa.net>
3 * haifa-sched.c (schedule_block): Provide empty source statement
4 if not MD_SCHED_REORDER2.
6 2000-12-20 Richard Henderson <rth@redhat.com>
8 * rtl.h (REG_NON_LOCAL_GOTO): New.
9 * rtl.c (reg_note_name): Update.
10 * stmt.c (expand_goto): Emit a REG_NON_LOCAL_GOTO note.
11 * builtins.c (expand_builtin_longjmp): Likewise.
12 * flow.c (make_edges): Check for REG_NON_LOCAL_GOTO and do
15 2000-12-20 Marek Michalkiewicz <marekm@linux.org.pl>
17 * config/avr/avr.c (out_movsi_r_mr, out_movsi_mr_r, out_movhi_mr_r):
18 Do not output undefined opcodes where source or destination register
19 overlaps with modified pointer register. Handle (X + d) addresses.
20 * config/avr/avr.md (*movhi, *movsi, *movsf): Correct insn length
21 in alternatives with memory operand.
23 2000-12-20 Richard Henderson <rth@redhat.com>
25 * c-typeck.c (build_asm_stmt): New, broken out from ...
26 (c_expand_asm_operands): ... here. Just do rtl expansion.
27 (c_expand_return): Return the new stmt node.
28 (c_start_case, do_case): Likewise.
29 * c-common.c (c_expand_expr_stmt): Likewise.
30 * c-common.h: Update declarations.
32 * c-semantics.c (build_stmt): Use STMT_LINENO not TREE_COMPLEXITY.
33 * c-parse.in (fndef): Set DECL_SOURCE_LINE to the open brace.
34 (nested_function, notype_nested_function): Likewise.
35 (compstmt): Return the compound statement not the binding level.
36 (lineno_labeled_stmt): Simplify.
37 (lineno_stmt, lineno_label): Set STMT_LINENO.
38 (stmt, label): Return the new stmt node.
40 2000-12-20 Bernd Schmidt <bernds@redhat.com>
42 * Makefile.in (OBJS): Add sched-ebb.o.
43 (sched-ebb.o): New rule.
44 (sched-vis.o): Depend on hard-reg-set.h and $(BASIC_BLOCK_H).
45 (haifa-sched.o): Depend on insn-flags.h.
46 * haifa-sched.c: Include "insn-flags.h".
47 (priority): Don't access BLOCK_NUM, use the new contributes_to_priority
49 * rtl.h (schedule_ebbs): Declare.
50 * sched-int.h (struct sched_info): Add new members
51 contributes_to_priority and compute_jump_reg_dependencies.
52 * sched-rgn.c (contributes_to_priority, compute_jump_reg_dependencies):
54 (region_sched_info): Add them.
55 * sched-vis.c: Include "hard-reg-set.h" and "basic-block.h".
56 * sched-ebb.c: New file.
57 * sched-deps.c (sched_analyze_insn): Add code to handle JUMP_INSNs.
59 * flow.c (ior_reg_cond, and_reg_cond, elim_reg_cond): Properly
60 handle all relational operators.
62 2000-12-20 Alexandre Oliva <aoliva@redhat.com>
64 * final.c (output_addr_const): Use ASM_OUTPUT_SYMBOL_REF.
65 * tm.texi: Document it.
67 2000-12-19 Benjamin Kosnik <bkoz@redhat.com>
69 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Use build_tooldir
70 instead of gcc_tooldir.
72 2000-12-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
74 * system.h (getopt): Update prototype to match include/getopt.h.
76 2000-12-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
79 * pa.c (basereg_operand): Simplify.
81 2000-12-19 Bernd Schmidt <bernds@redhat.co.uk>
83 * haifa-sched.c (rm_line_notes): Arguments are now head and tail,
84 not block number. All callers and prototype changed.
85 (set_priorities): Likewise.
86 (save_line_notes): Add head and tail arguments; all callers and
88 (restore_line_notes): Likewise. Don't crash on insns generated
90 (schedule_block): Don't use BLOCK_HEAD/BLOCK_END macros.
91 Call MD_SCHED_INIT with additional argument.
92 When starting a new cycle, emit cycle_display insns if available.
93 Don't stop scheduling when encountering a JUMP_INSN, but add another
94 call to schedule_more_p in the inner loop.
95 Call MD_SCHED_REORDER2 after scheduling an insn.
96 Call MD_SCHED_FINISH once all insns are scheduled.
97 (sched_init): Compensate for the fact that get_block_head_tail
98 doesn't include leading notes.
99 * sched-deps.c (free_deps): Free vectors here.
100 * sched-rgn.c (compute_block_backward_dependencies): Not here.
101 (last_was_jump): New static variable.
102 (schedule_more_p): Test it.
103 (init_ready_list): Initialize it.
104 (can_schedule_ready_p): Set it if we have a JUMP_INSN.
106 * config/i386/i386.h (MD_SCHED_INIT): Add new arg.
107 * config/m32r/m32r.h (MD_SCHED_INIT): Add new arg.
108 * config/sparc/sparc.h (MD_SCHED_INIT): Add new arg.
110 * md.texi (cycle_display): Document.
111 * tm.texi (MD_SCHED_INIT): Document new arg.
112 (MD_SCHED_FINISH, MD_SCHED_REORDER2): Document.
114 * flow.c (ior_reg_cond, nand_reg_cond, not_reg_cond): Rewrite
115 to use different representation. All callers changed.
116 (and_reg_cond): Renamed from nand_reg_cond; caller changed.
117 (init_propagate_block_info): Don't test flags to determine
118 whether to compute conditional lifetimes.
119 Adjust code for new representation of conditional lifetimes.
120 (mark_regno_cond_dead): Similar adjustment.
121 (free_reg_cond_life_info): Similar adjustment.
122 (elim_reg_cond): New function.
123 (flush_reg_cond_1): Use it.
125 2000-12-19 Catherine Moore <clm@redhat.com>
127 * reload1.c (reload_combine): Take multi-hard-regs into account
128 when processing CALL_INSN_FUNCTION_USAGE.
130 2000-12-19 Joseph S. Myers <jsm28@cam.ac.uk>
132 * invoke.texi (-print-search-dirs): Make references to cpp refer
135 2000-12-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
137 * fold-const.c (tree_expr_nonnegative_p): Treat truth values as
140 Tue Dec 19 00:37:08 2000 J"orn Rennecke <amylaar@redhat.com>
142 * reload.c (push_reload): When using a dying register for the reload
143 register in an in-out reload, use outmode if wider than inmode.
145 2000-12-19 Joseph S. Myers <jsm28@cam.ac.uk>
147 * config/d30v/d30v.h (EXIT_BODY): Update comment.
149 2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
151 * config.gcc (*-*-linux*): Don't define HAVE_ATEXIT or BSTRING.
152 * tm.texi (EXIT_BODY): Update documentation.
153 * config/freebsd.h, config/netware.h, config/arm/coff.h,
154 config/arm/conix-elf.h, config/arm/unknown-elf.h,
155 config/d30v/d30v.h, config/mcore/mcore.h, config/pj/pj.h,
156 sparc/sp86x-aout.h: Remove definitions of HAVE_ATEXIT (some
157 commented out) and associated comments.
159 2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
161 * c-common.c (STD_C9L, ADJ_STD): Define.
162 (printf_length_specs, scanf_length_specs): Mark "ll" as standard
164 (T99_LL): Rename to T9L_LL.
165 (T99_ULL): Rename to T9L_ULL.
166 (print_char_table, scan_char_table): Use T9L_LL and T9L_ULL
167 instead of T99_LL and T99_ULL.
168 (check_format_info_main): Use ADJ_STD on all format standard
169 versions being compared.
170 * c-common.h: Declare warn_long_long.
171 * c-tree.h: Don't declare warn_long_long.
173 2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
175 * COPYING: Update to current
176 ftp://ftp.gnu.org/pub/gnu/Licenses/COPYING-2.0 (fixes references
177 to 19yy as example year in copyright notice).
179 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
181 * c-lex.c (cb_file_change): Treat in_system_header as strictly
184 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
186 * cppmain.c: Update print.lineno with -P.
188 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
190 * c-lex.c: s/change_file/file_change.
191 * cpplib.h: Similarly.
192 * cppmain.c: Similarly.
193 * fix-header.c: Similarly.
194 * cppfiles.c (stack_include_file): Pass the buffer location and
195 size to cpp_push_buffer. Generate the file_change callback,
196 so that sysp is already set.
197 * cpphash.h: Add _cpp_do_file_change.
198 * cpplib.c (do_line): Set buffer->sysp directly. Generate the
199 file_change callback after setting sysp.
200 (_cpp_do_file_change): Handle FC_ENTER and the FC_RENAME exception
202 (cpp_push_buffer): Don't generate a callback. Clear sysp.
203 (cpp_pop_buffer): Clean up logic.
205 2000-12-18 Benjamin Kosnik <bkoz@redhat.com>
207 * configure.in (gcc_gxx_include_dir): Simplify.
208 (libstdcxx_incdir): Export.
209 * configure: Regenerate.
210 * Makefile.in (PREPROCESSOR_DEFINES): Add in
211 GPLUSPLUS_TOOL_INCLUDE_DIR bits here..
212 (libstdcxx_incdir): Add.
213 * cppdefault.c (GPLUSPLUS_TOOL_INCLUDE_DIR): Add search path.
215 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
217 * c-lex.c (lex_lineno): Remove.
218 (init_c_lex, c_lex): Remove lex_lineno.
219 (cb_change_file): Update lineno correctly, both before calling
220 push_srcloc and before leaving the function.
221 (cb_def_pragma): Set lineno before outputting diagnostics.
223 Sun Dec 17 18:45:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
225 * print-tree.c (print_node): Print DECL_USER_ALIGN and TYPE_USER_ALIGN.
226 Print TYPE_MIN_VALUE and TYPE_MAX_VALUE for REAL_TYPE.
227 Use print_node_brief to print bounds.
229 2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
231 * cpplib.h (struct cpp_reader): Remove references to string_pool
232 and temp_string_pool.
233 * cppinit.c (cpp_create_reader, cpp_cleanup): Similarly; using
235 * cpplex.c (parse_number, unescaped_terminator_p, parse_string,
236 save_comment, cpp_token_as_text): Similarly.
237 * cpplib.c (do_define, glue_header_name, parse_assertion): Similarly.
238 * cppmacro.c (make_number_token, builtin_macro, lock_pools,
239 unlock_pools, stringify_arg, paste_tokens): Similarly.
241 Sun Dec 17 12:41:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
243 * dwarf2out.c (loc_descriptor_from_tree, case NOP_EXPR): New case.
244 (loc_descriptor_from_tree, case CONVERT_EXPR): Likewise.
245 (loc_descriptor_from_tree, case NON_LVALUE_EXPR): Likewise.
247 2000-12-17 Richard Earnshaw <rearnsha@arm.com>
249 * Makefile.in (check-po): Use $(MAKE).
250 (risky-stage1, risky-stage2, risky-stage3, risky-stage4): Likewise.
252 2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
254 * cppmain.c (check_multiline_token): New function.
255 (scan_buffer): Use it.
256 (cb_change_file): Restructure to avoid warning.
257 * cpperror.c (print_location): Initialize col.
259 2000-12-14 Philipp Thomas <pthomas@suse.de>
261 * protoize.c (main): Correctly set locale categories.
262 * gcc.c (main): Likewise.
263 * cppmain.c (general_init): Likewise.
264 * toplev.c (main): Likewise.
265 * gcov.c (main): Likewise.
266 * collect2.c (main): Likewise.
268 2000-12-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
270 * c-common.c (c_common_nodes_and_builtins): Create a
271 cstring_endlink, use it. Rename int_ftype_string_string to
272 int_ftype_cstring_cstring, string_ftype_string_int to
273 string_ftype_cstring_int, and string_ftype_string_string to
274 string_ftype_cstring_cstring. Prefer sizetype_endlink and
275 int_endlink to manually recreating them. Fix the prototype
276 set for __builtin_strspn/__builtin_strcspn.
278 2000-12-12 Marek Michalkiewicz <marekm@linux.org.pl>
280 * config/avr/avr.c (out_set_stack_ptr): Update comment.
281 (print_operand): Add support for %~ and %o.
283 2000-12-17 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
285 * c4x.h: Add ASM_OUTPUT_DEF definition for bounded pointer code.
287 2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
289 * c-lex.c: Move main_input_filename handling to FC_ENTER. Clean up.
290 * cpperror.c (print_containing_files): Get right line number.
291 (print_location): Output column of 1 if 0.
292 * cppfiles.c (stack_include_file): cpp_push_buffer handles
294 * cpphash.h (_cpp_do_file_change): No longer external.
295 * cpplib.c (do_file_change): Now local to cpplib.c.
296 (do_line): Fake a buffer stack for preprocessed files.
297 (cpp_push_buffer): Create a file_change callback. Handle faked
299 (cpp_pop_buffer): Similarly.
300 * cpplib.h: BUF_FAKE: New buffer type.
301 * cppmain.c: Update to handle correct file renaming where a
302 #line is the first line of the main file, and produce only
303 the renamed file, not the original file, as output.
305 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
307 * config/c4x/c4x.md: Remove redundant @s from output patterns.
309 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
310 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
312 * config/c4x/c4x.h (REGISTER_TARGET_PRAGMAS): Call c4x_init_pragma.
314 * config/c4x/c4x-protos.h (c4x_init_pragma): New prototype.
316 * config/c4x/c4x.c (c4x_init_pragma): New function.
317 (c_lex_func): New variable.
318 (c4x_parse_pragma): Use c_lex_func.
320 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
321 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
323 * config/c4x/c4x.h (MD_INIT_BUILTINS): Add void_list_node argument
324 to c4x_init_builtins.
326 * config/c4x/c4x-protos.h (c4x_init_builtins): Add tree argument.
328 * config/c4x/c4x.c (c4x_init_builtins): Add tree argument.
329 (c4x_output_ascii): Fix.
331 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
332 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
334 * config/c4x/c4x.h (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Define.
336 * config/c4x/c4x-protos.h (c4x_init_builtins): New prototype.
337 (c4x_expand_builtin): Likewise.
339 * config/c4x/c4x.c (c4x_init_builtins): New function.
340 (c4x_expand_builtin): Likewise.
342 * config/c4x/c4x.md (floatunsqihf2): New pattern.
343 (*floatqihf2_set, *fixhfqi_set, fix_trunchfqi2): Likewise.
344 (fixuns_trunchfqi2, toieee, frieee, *ldhf_conditional): Likewise.
345 (*ldhf_conditional_noov, movhfcc, trap, cond_trap_cc): Likewise.
346 (*toieee_movqf_clobber, *frieee_movqf_clobber): Likewise.
348 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
350 * libgcc2.h: Use Wtype for SItype and DWtype for DItype in prototypes.
351 * libgcc2.c (__absvsi2): Use Wtype and DWtype.
352 (__absvdi2, __addvsi3, __addvdi3, __subvsi3): Likewise.
353 (__subvdi3, __mulvsi3, __mulvdi3, __negvsi2, __negvdi2): Likewise.
355 2000-12-16 Alexandre Oliva <aoliva@redhat.com>
357 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Enclose the block
358 statement in do/while(0).
360 Sat Dec 16 19:56:24 MET 2000 Jan Hubicka <jh@suse.cz>
362 * i386.md (ashrsi3_cmpno, ashrhi3_cmpno, ashrqi3_cmpno, lshrsi3_cmpno,
363 lshrhi3_cmpno): Remove redundant '@' from the template.
365 * i386.md (cmpstrsi_1): Fix type of the compare.
367 * genattrtab.c (attr_rtx_cost): New function.
368 (simplify_test_exp): Avoid overactive inlining; use temporary
371 Sat Dec 16 10:41:11 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
373 * diagnostic.c (finish_abort): Deleted.
374 (fatal): Add code from finish_abort.
375 (error_recursion, fancy_abort): Call fatal, not finish_abort.
376 (trim_filename): Remove leading "../".
377 * diagnostic.h (finish_abort): Deleted.
378 * toplev.c (crash_signal): Call fatal, not finish_abort.
380 * stor-layout.c (place_field): Treat overflowing DECL_SIZE_UNIT
381 as if size were variable.
383 * expmed.c (expand_mult): Write REG_EQUAL note with proper mode.
385 2000-12-16 Neil Booth <neil@daikokuya.demon.co.uk>
387 * tradcpp.c: T_WARNING: New.
388 (do_warning): New function.
389 (finclude): Skip past the newline and increase the line number
390 before calling output_line_command.
391 (do_line): Skip the new line after output_line_command. Don't
392 pre-decrement the line number.
394 2000-12-15 Diego Novillo <dnovillo@redhat.com>
396 * i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix references to
397 _GLOBAL_OFFSET_TABLE_ when using Intel syntax.
399 2000-12-15 Jakub Jelinek <jakub@redhat.com>
401 * gcc.c (cpp_options): Pass -fno-operator-names.
402 * cpplib.h (struct cpp_options): Add operator_names.
403 * cppinit.c (cpp_create_reader): Initialize it.
404 (initialize_builtins): If -fno-operator-names, don't add
405 C++ alternate operator names.
406 (COMMAND_LINE_OPTIONS): Add -fno-operator-names.
407 (cpp_handle_option): Clear operator_names.
409 2000-12-15 Jason Merrill <jason@redhat.com>
411 * jump.c (jump_optimize_1): Don't delete the line note after the
412 prologue even if it seems redundant.
414 * config/arm/arm.c (arm_expand_prologue): Set RTX_FRAME_RELATED_P
415 on all insns used to adjust the stack.
417 Fri Dec 15 15:32:16 MET 2000 Jan Hubicka <jh@suse.cz>
419 * combine.c (cant_combine_insn_p): Get around SUBREGs when determining
422 Fri Dec 15 14:48:37 MET 2000 Jan Hubicka <jh@suse.cz>
424 * genrecog.c (add_to_sequence): Remove special case for
426 (maybe_both_true): Return 1 when falling out of sequence when
427 trying to find common possition in the pattern.
429 Fri Dec 15 14:44:51 MET 2000 Jan Hubicka <jh@suse.cz>
431 * integrate.c (copy_rtx_and_substitute): Copy mode too.
433 Fri Dec 15 14:11:57 MET 2000 Jan Hubicka <jh@suse.cz>
435 * flow.c (notice_stack_pointer_modification_1): Cleanup.
437 2000-12-15 Alexandre Oliva <aoliva@redhat.com>
439 * function.c (adjust_trampoline_addr): New function.
440 (trampoline_address): Call it instead of round_trampoline_addr().
441 * tm.texi (TRAMPOLINE_ADJUST_ADDRESS): Document it.
443 2000-12-14 Zack Weinberg <zack@wolery.stanford.edu>
445 * cppfiles.c (hack_vms_include_specification): Delete function
446 (not used since 1998).
448 Fri Dec 15 03:37:51 2000 J"orn Rennecke <amylaar@redhat.com>
450 * haifa-sched.c (sched_init): Don't put a note in front of any BARRIER.
452 2000-12-14 Jim Wilson <wilson@redhat.com>
454 * alias.c (get_alias_set): Call record_component_aliases for
456 (record_component_aliases): Handle COMPLEX_TYPE.
458 2000-12-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
460 * fixinc/gnu-regex.c: Disable NLS.
462 2000-12-14 Richard Henderson <rth@redhat.com>
464 * config/alpha/alpha.c (alpha_emit_conditional_move): Do not swap
465 comparison operands when that would create non-canonical rtl.
467 * config/i386/i386.md (umulsi3_highpart): Remove * from name.
468 (smulsi3_highpart): Likewise.
470 2000-12-14 Neil Booth <neil@daikokuya.demon.co.uk>
472 * gcc.c (cpp_options): Add -remap.
474 2000-12-14 Neil Booth <neil@daikokuya.demon.co.uk>
476 * gcc.c (cpp_options): Update to use '&'.
477 (struct switchstr): Change type of validated to save space.
478 New member 'ordering'.
479 (handle_braces, validate_switches): Update to handle '&'.
481 2000-12-13 Laurynas Biveinis <lauras@softhome.net>
483 * fixinc/inclhack.def: skip stdio_va_list fix if __DJ_va_list
485 * fixinc/fixincl.x: regenerated.
487 2000-12-13 DJ Delorie <dj@redhat.com>
489 * config.gcc (cygwin, win32, mingw32): Use float-i386.h.
491 2000-12-13 Tom Tromey <tromey@redhat.com>
493 * gcc.c (handle_braces): Handle %{<S*} spec correctly.
495 2000-12-13 Alexandre Oliva <aoliva@redhat.com>
497 * function.c (assign_parms): Optimize incoming PARALLELs into
500 2000-12-13 Bruce Korb <bkorb@gnu.org>
502 * fixinc/Makefile.in(*): substantial rewrite to accommodate systems
503 that cannot handle bi-directional pipes, viz. BeOS and DOS.
504 * fixinc/fixlib.h(IGNORE_ARG): new macro
505 (STATIC): define for all of fixinc to use
506 * fixinc/fixfixes.c(*): eliminate unused arg warnings
507 * fixinc/fixtests.c(*): ditto
508 * fixinc/fixincl.c(start_fixer): chain_open now uses const arg list
509 * fixinc/gnu-regex.c: reorder some includes to avoid _GNU_SOURCE
510 warning. Also, eliminate the ``#ifdef emacs'' stuff.
511 (re_syntax_options): make global as it is declared so.
512 * fixinc/mkfixinc.sh: process the argument list more consistently
513 (beos/msdosdjgpp): set TARGETS to twoprocess vs. oneprocess
514 * fixinc/procopen.c(globals): include "fixlib.h" for std defs
515 * fixinc/server.c(globals): ditto
516 * fixinc/server.h(defines): ditto
518 2000-12-13 Neil Booth <neil@daikokuya.demon.co.uk>
520 * tradcpp.c (special_symbol): Improve test for definedness,
521 though it is still not perfect.
522 (do_define): Don't define illegal macro names.
524 2000-12-07 Aldy Hernandez <aldyh@redhat.com>
526 * config/mips/elf.h (ASM_OUTPUT_SECTION_NAME): emit @nobits
527 if changing into .bss section.
528 * config/mips/elf64.h: same.
529 * config/mips/iris6.h: same.
530 * config/mips/netbsd.h: same.
531 * config/mips/openbsd.h: same.
533 2000-12-13 Neil Booth <neil@daikokuya.demon.co.uk>
535 * cppfiles.c (read_name_map): Return null if open () fails.
536 (remap_filename): Simplify logic. Add ICE if it doesn't work
537 as expected. Perform secondary lookup attempt on base filename
540 Wed Dec 13 19:48:04 MET 2000 Jan hubicka <jh@suse.cz>
542 * flow.c (notice_stack_pointer_modification_1): Notice midifications
543 using PRE_MODIFY and POST_MODIFY.
545 Wed Dec 13 17:25:32 MET 2000 Jan Hubicka <jh@suse.cz>
547 * genoutput.c (process_template): Add sanity checking for '@' templates.
549 2000-12-13 Bernd Schmidt <bernds@redhat.co.uk>
551 * simplify-rtx.c (cselib_finish): Free reg_values and used_regs
554 2000-12-12 Mike Stump <mrs@wrs.com>
556 * Makefile.in (distclean): Remove safe-ctype.c as well.
558 2000-12-12 Brad Lucier <lucier@math.purdue.edu>
560 * tradcpp.c (do_error): Cast difference of pointers to int
563 2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
565 * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Move from here...
566 * config/rs6000/sysv4.h (HANDLE_PRAGMA_PACK_PUSH_POP): ...to here.
568 2000-12-12 Jim Wilson <wilson@redhat.com>
570 * rtlanal.c (may_trap_p): Check operand modes of LE, LT, GE, and GT.
572 2000-12-12 Alexandre Oliva <aoliva@redhat.com>
574 * configure.in: Simplify language enabling/disabling code.
575 * configure: Rebuilt.
576 * ch/config-lang.in (target_libs): Set.
577 (build_by_default): Set to no.
578 * cp/config-lang.in (target_libs): Set.
579 * f/config-lang.in (target_libs): Set.
580 * java/config-lang.in (target_libs): Set.
581 * objc/config-lang.in (target_libs): Set.
583 2000-12-12 Neil Booth <neil@daikokuya.demon.co.uk>
585 * tradcpp.c (enum node_type): Add T_ERROR.
586 (do_error): New function.
587 (directive_table): Add #error handler.
589 2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
591 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Enable .file/.loc check
593 * configure: Regenerated.
594 * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
595 * config/rs6000/rs6000.c (rs6000_unique_section): Use
598 Mon Dec 11 13:51:09 2000 Jeffrey A Law (law@cygnus.com)
600 * pa.c (cmpib_comparison_operator): Remove GEU and LTU.
601 * pa.h (PREDICATE_CODES, cmpib_comparison_operator): Corresponding
604 2000-12-11 Bruce Korb <bkorb@gnu.org>
606 * fixinc/fixincl.tpl: initialize all fields for warnings
607 * fixinc/fixincl.x: regenerate
609 2000-12-11 Neil Booth <neilb@earthling.net>
611 * tradcpp.h: For tradcpp, NUL is not whitespace.
613 2000-12-11 Neil Booth <neilb@earthling.net>
615 * fix-header.c (read_scan_file): Macro expansion is not a file buffer.
617 2000-12-05 Marek Michalkiewicz <marekm@linux.org.pl>
619 * config/avr/avr.c (compare_condition, compare_sign_p): New functions.
620 (compare_diff_p, compare_eq_p): Call compare_condition.
621 (out_tsthi, out_tstsi): Call compare_sign_p.
622 (avr_progmem_p): Check for error_mark_node.
624 2000-12-11 Neil Booth <neilb@earthling.net>
626 * cpperror.c (print_location): New function.
627 (print_containing_files): Simplify.
628 (_cpp_begin_message): Simplify and use print_location.
629 * cppfiles.c (stack_include_file): Update.
630 (_cpp_pop_file_buffer): Update.
631 * cpphash.h (struct cpp_buffer): New members
632 include_stack_listed and type.
633 * cpplib.c (_cpp_handle_directive): Buffer->inc is not null.
634 (run_directive): Take buffer type. cpp_push_buffer cannot fail.
635 (_cpp_do__Pragma, cpp_define, _cpp_define_builtin, cpp_undef,
636 handle_assertion): Update.
637 (cpp_push_buffer): Take a buffer type and file name.
638 (cpp_pop_buffer): Update. Clear include_stack_listed.
639 * cpplib.h (input_stack_listing_current): Remove.
640 (enum cpp_buffer_type): New.
641 (cpp_push_buffer): New prototype.
642 * cppmacro.c (builtin_macro): Simplify; buffer cannot be null.
643 * fix-header.c (read_scan_file): Update.
645 2000-12-10 Robert Lipe <robertlipe@usa.net>
647 * install.texi (i*86-*-sco3.2v5*): Remove information duplicated
650 2000-12-10 Richard Henderson <rth@redhat.com>
652 * genrecog.c (find_operand): Handle 'V' format code.
653 (find_matching_operand): New.
654 (validate_pattern): Accept '=' for an in-out operand if there
655 is another operand with a matching constraint.
657 * config/i386/i386.md (andqi_ext_0_cc): Use matching constraint
660 2000-12-10 Richard Henderson <rth@redhat.com>
662 * genrecog.c (validate_pattern) [STRICT_LOW_PART]: Fix thinko.
664 2000-12-09 Richard Henderson <rth@redhat.com>
666 * genrecog.c (validate_pattern): Verify that ZERO_EXTRACT and
667 STRICT_LOW_PART as SET_DEST have in-out constraints.
669 2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
671 * c-common.c (check_function_format): Don't suggest adding format
672 attributes to functions with no parameter to which to add them.
674 2000-12-09 Nick Clifton <nickc@redhat.com>
676 * config/arm/arm.c (arm_expand_prologue): Mark the generated
677 insn not the set as being DWARF2_FRAME_RELATED_P.
679 2000-12-09 Laurynas Biveinis <lauras@softhome.net>
681 * Makefile.in: use $(build_exeext) for all build
682 system executable targets.
684 2000-12-09 Laurynas Biveinis <lauras@softhome.net>
686 * install.texi: remove i[345]86-*-winnt3.5 section.
687 * configur.bat: removed.
688 * config/msdos: directory removed.
690 2000-12-09 Neil Booth <neilb@earthling.net>
692 * cppfiles.c (NEVER_REREAD, DO_NOT_REREAD): Move from cpphash.h.
693 * cpphash.h (NEVER_REREAD, DO_NOT_REREAD, ABSOLUTE_PATH): Delete.
694 * cpplex.c (parse_identifier): Improve diagnostic.
695 (_cpp_lex_token): Return unconditionally at the end of a directive.
696 * cpplib.c (read_flag): Verify legality of each flag.
697 (end_directive): Resotre pfile->skipping before skip_rest_of_line.
698 (do_line): Use the new read_flag.
699 * cppmacro.c (struct cpp_macro, parse_arg, replace_args,
700 check_macro_redefinition, parse_params): Rename var_args to
703 2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
705 * .cvsignore: Add info files.
707 2000-12-08 Laurynas Biveinis <lauras@softhome.net>
709 * config/winnt: Remove obsolete directory.
710 * install.texi (Configurations): Remove obsolete documentation for
713 2000-12-08 Joseph S. Myers <jsm28@cam.ac.uk>
715 * configure.in: Don't define INSTALL_INFO.
716 * configure: Regenerate.
717 * Makefile.in (INSTALL_INFO): Remove.
718 (info): Depend on info files in source directory.
719 (cpp.info, gcc.info, c-tree.info): Build info files in source
721 (distclean): Don't remove info files.
722 (maintainer-clean): Remove info files from source directory.
723 (install-normal): Depend on install-info.
724 (install-info): Install info files from source directory, if they
726 * texinfo.tex: Update to version 2000-11-09.08 from ftp.gnu.org.
728 2000-12-08 Alexandre Oliva <aoliva@redhat.com>
730 * lcm.c (optimize_mode_switching): Check whether an insn is a NOTE
731 before taking its NOTE_LINE_NUMBER.
733 2000-12-08 Nick Clifton <nickc@redhat.com>
735 * config/arm/arm.md (load_indirect_jump): Add pool ranges.
737 * extend.texi: Document ARM "interrupt" function attribute.
738 Mention that the ARM also support the "naked" function
741 * config/arm/arm-protos.h (arm_current_func_type): Add
744 * config/arm/arm.h (EXCEPTION_LR_REGNUM): Define.
745 (struct machine_function): Add 'func_type' field.
746 Define bit values for 'func_type' field.
747 (ARM_FUNC_TYPE): New macro.
748 (IS_INTERRUPT): New macro.
749 (IS_VOLATILE): New macro.
750 (IS_NAKED): New macro.
751 (IS_NESTED): New macro.
752 (ARM_INITIAL_ELIMINATION_OFFSET): Use IS_VOLATILE.
754 * config/arm/arm.c (isr_attribute_args): New Structure. A
755 list of "interrupt" function attribute modifiers.
756 (arm_isr_value): New Function: Returns the type of the current
758 (arm_compute_func_type): New Function: Computes the type of
759 the current function.
760 (arm_current_func_type): New Function: Returns the type of the
762 (use_return_insn): Use arm_current_func_type.
763 (arm_valid_type_attribute_p): Accept "interrupt" function
765 (arm_comp_type_attributes): Check "interrupt" attributes.
766 (arm_valid_machine_decl): Accept "interrupt" function
768 (arm_function_ok_for_sibcall): Do not allow interrupt
769 functions to use sibcalls.
770 (arm_naked_function_p): Delete.
771 (print_multi_reg): Remove redundant parameter 'hat'.
772 (arm_compute_save_reg_mask): New Function: Compute a bit mask
773 of registers saved during the current function's prologue.
774 (output_arm_return_instruction): Use arm_current_func_type.
775 Generate return instruction when LR is not poppsed off the
777 (arm_volatile_func): Delete.
778 (output_arm_prologue): Use arm_current_func_type and
779 arm_compute_save_reg_mask.
780 Note presernce of interrupt functions.
781 (arm_output_epilogue): Use arm_current_func_type and
782 arm_compute_save_reg_mask.
783 (arm_expand_prologue): Use arm_current_func_type and
784 arm_compute_save_reg_mask.
785 (arm_init_machine_status): Initialise func_type field, if
787 (thumb_expand_prologue): Use arm_current_func_type.
788 (output_thumb_prologue): Use arm_current_func_type.
790 2000-12-08 Brad Lucier <lucier@math.purdue.edu>
792 * tradcpp.c (do_include): Make pointer differences 64-bit clean.
794 Fri Dec 8 08:23:29 2000 J"orn Rennecke <amylaar@redhat.com>
796 * fp-bit.c (_fpmul_parts): Use USItype variables as inputs
799 2000-12-07 Mike Stump <mrs@wrs.com>
801 * Makefile.in (distclean): Remove alloca.c hashtab.c.
803 2000-12-07 Zack Weinberg <zack@wolery.stanford.edu>
805 * Makefile.in (HOST_RTL): Add safe-ctype.o.
806 (safe-ctype.o): New rule.
807 * system.h: Include safe-ctype.h, not ctype.h. No need to
810 * cpphash.h: Zap IStable and related macros. Define is_* in
811 terms of safe-ctype.h macros.
812 * cppinit.c: Delete the IStable and all related code.
814 * tradcpp.c: Delete is_idchar, is_idstart, is_hor_space, and
815 is_space arrays. Delete initialize_char_syntax. Change all
816 references to the above arrays to use macros instead.
817 * tradcpp.h: Define is_idchar, is_idstart, is_space, and
818 is_nvspace in terms of safe_ctype.h's macros.
819 * tradcif.y: is_idchar, is_idstart are macros not arrays.
821 * config/i370/i370.c, config/winnt/dirent.c,
822 config/winnt/fixinc-nt.c, config/winnt/ld.c:
823 Use uppercase ctype macros. If we included ctype.h,
824 include safe-ctype.h instead.
826 * fixinc/fixfixes.c: Use uppercase ctype macros. Don't test
827 ISLOWER(c) before calling TOUPPER(c).
828 * fixinc/fixincl.c (extract_quoted_files): Simplify out some gunk.
829 * fixinc/gnu-regex.c: Include safe-ctype.h, not ctype.h. No need to
830 wrap ctype macros. Don't test ISUPPER(x) before calling TOLOWER(x).
832 2000-12-07 DJ Delorie <dj@redhat.com>
834 * c-decl.c (grokdeclarator): preserve previous alignments when
835 rebuilding array types.
837 2000-12-07 Neil Booth <neilb@earthling.net>
839 * cppfiles.c (struct include_file): Move from cpphash.h.
840 (_cpp_never_reread): New function.
841 (open_file, read_include_file): Use it.
842 (stack_include_file): Set the buffer's sysp according to the
843 path in which the file was found.
844 (find_include_file): Don't set sysp.
845 (cpp_make_system_header, actual_directory): Update.
846 (_cpp_execute_include): Do #include_next lookup handling here,
847 not in cpplib.c. Use _cpp_never_reread.
848 * cpphash.h (struct_include_file): Remove.
849 (struct cpp_buffer): New member sysp.
850 (CPP_IN_SYSTEM_HEADER, _cpp_execute_include): Update.
851 (_cpp_never_reread): New.
852 * cpplib.c (read_line_number): Rename read_flag. Rework slightly.
853 (end_directive): Clear line_extension flag.
854 (_cpp_handle_directive): Set line_extension flag for #number.
855 (do_include_next): Handle path lookup in _cpp_execute_include.
856 (do_line): Cleanup to use read_flag. Don't allow flags in #line.
857 (_cpp_do_file_change): Update.
858 (do_pragma_once): Use cpp_never_reread. Clean up.
859 * cpplib.h (struct lexer_state): New member line_extension.
861 2000-12-07 Richard Henderson <rth@redhat.com>
863 * flow.c (calculate_global_regs_live): Force the stack pointer live
864 after reload as well.
866 2000-12-07 Bruce Korb <bkorb@gnu.org>
868 * fixinc/Makefile.*(exeext): the variables are exeext, the
869 substitution expression is build_exeext.
871 2000-12-07 Neil Booth <neilb@earthling.net>
873 * c-common.c (parse_in): Make a cpp_reader *.
874 * cppfiles.c (_cpp_fake_include): Remove.
875 * cpphash.h: Similarly.
876 * cpplib.c (do_line): Don't call _cpp_fake_include. A valid
877 #line always creates a callback; FC_RENAME if there are no
879 * fix-header.c (read_scan_file): cpp_push_buffer cannot fail.
880 The first EOF must be our get_char buffer.
882 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
884 * c-common.c (warn_format_security): New variable.
885 (check_format_info): Warn about non-literal formats with no format
886 arguments if either -Wformat-nonliteral or -Wformat-security is
888 (set_Wformat): Set warn_format_security for settings other than 1.
889 * c-common.h (warn_format_security): Declare.
890 * c-decl.c (c_decode_option): Decode -Wformat-security and
891 -Wno-format-security.
892 * invoke.texi: Document -Wformat-security.
893 * toplev.c (documented_lang_options): Include -Wformat-security
894 and -Wno-format-security.
896 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
898 * c-common.c (check_format_info): Warn for non-constant format
899 strings with strftime formats if -Wformat-nonliteral. Where the
900 format can convert arguments, if the format is not a string
901 literal and there are no arguments to the format, give a different
902 warning message from the general non-string-literal case.
904 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
906 * c-common.c (format_wanted_type): Add reading_from_flag.
907 (print_char_table): Mark %s and %S formats with flag "R".
908 (check_format_info_main): Set up reading_from_flag appropriately.
909 If aflag, always set writing_in_flag rather than relying on the
910 format used being a scanf format and so having it set.
911 (check_format_types): Check for formats reading through null
914 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
916 * invoke.texi (-Wformat): Document what format features are
919 2000-12-06 Kazu Hirata <kazu@hxi.com>
921 * config/h8300/h8300.h: Fix formatting.
923 2000-12-06 Joel Sherrill <joel@OARcorp.com>
925 * config.gcc (a29k*-*-rtems*, arm*-*-rtems*, c4x-*-rtems*,
926 h8300-*-rtems*, hppa1.1-*-rtems, *mips*-*-rtems*): New targets.
927 * config.gcc (*-rtems*): Add support for gthr-rtems.h.
928 * gthr-rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h,
929 config/h8300/rtems.h, config/mips/rtems.h: New files.
931 2000-12-06 Mark Kettenis <kettenis@gnu.org>
933 * config.gcc: Reorganize handling of *-*-gnu*, to share target
934 specific make details with Linux. Update comments to clarify
935 the distinction between GNU/Linux and GNU/Hurd.
937 Wed Dec 6 19:22:02 2000 Jeffrey A Law (law@cygnus.com)
939 * contrib.texi: Fix my email address. Update Per's
940 list of contributions.
942 2000-12-06 Rodney Brown <RodneyBrown@mynd.com>
944 * c-lex.c (cb_indent): Decorate `str' argument, unused on HP-UX.
945 * collect2.c (scan_libraries): Remove unused `ch'.
946 (COFF specific stuff): Prototype ldgetname. Declare and prototype
947 ldbtread and ldclose.
949 * config/alpha/osf.h: Standarize copyright statement.
950 * config/arc/arc.h: Likewise.
951 * config/arm/elf.h config/arm/coff.h config/arm/aout.h: Likewise.
952 * config/arm/arm.c config/arm/arm.h: Likewise.
953 * config/elxsi/elxsi.h: Likewise.
954 * config/i386/sco.h: Likewise.
955 * config/m68k/crds.h config/m68k/hp320.h config/m68k/lynx.h: Likewise.
956 * config/m68k/m68kv4.h config/m68k/next21.h: Likewise.
957 * config/m68k/sun3.h: Likewise.
958 * config/m88k/dgux.h config/m88k/dguxbcs.h: Likewise.
959 * config/pdp11/2bsd.h config/pdp11/pdp11.h: Likewise.
960 * config/romp/romp.h: Likewise.
961 * config/rs6000/aix41.h: Likewise.
962 * config/sparc/sysv4.h: Likewise.
963 * config/we32k/we32k.c config/we32k/we32k.h: Likewise.
964 * fixinc/gnu-regex.c fixinc/gnu-regex.h: Likewise.
965 * cpplib.h cppexp.c cselib.h profile.c: Likewise.
966 * longlong.h: Likewise.
967 * libgcc2.c: Likewise.
969 2000-12-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
971 * machmode.def: Use correct definition for BITSIZE on targets where
974 2000-12-06 Bruce Korb <bkorb@gnu.org>
976 * fixinc/Makefile.*: Reduce differences to (ultimately) reduce
979 2000-12-06 J. David Anglin <dave@hiauly1.hia.nrc.ca>
981 * pa.c: Include expr.h before c-tree.h.
982 (remove_useless_addtr_insns): Use reverse_condition_maybe_unordered
983 instead of reverse_condition.
984 (print_operand): Correct predicates for GT, GE, LT and LE. Add
985 predicates for LTGT, UNLE, UNLT, UNGE, UNGT, UNEQ, UNORDERED and
987 (cmpib_comparison_operator): Add GEU and LTU codes.
988 * pa.h (PREDICATE_CODES): Add codes for cmpib_comparison_operator.
989 * pa.md (bltgt, bunle, bunlt, bunge, bungt, buneq, bunordered,
990 bordered): New float conditional branch patterns.
992 Wed Dec 6 21:03:41 2000 J"orn Rennecke <amylaar@redhat.com>
994 * final.c (final_addr_vec_align): Fix clipping to BIGGEST_ALIGNMENT.
996 2000-12-06 Sylvain Pion <Sylvain.Pion@sophia.inria.fr>
998 * cpplex.c (skip_escaped_newlines): Don't warn for spaces between
999 backslash and newline, when inside a comment.
1001 2000-12-06 Joseph S. Myers <jsm28@cam.ac.uk>
1003 * invoke.texi: Use @table @samp instead of @itemize @minus for
1004 table of language standards. Fix use of @pxref. From Zack
1005 Weinberg. Also exclude specs documentation from generated
1006 manpage, and create separate ENVIRONMENT section.
1008 2000-12-06 Michael Matz <matzmich@cs.tu-berlin.de>
1010 * gcse.c (compute_pre_data): Kill trapping expressions in
1011 destination blocks of abnormal edges.
1013 2000-12-05 Richard Sandiford <r.sandiford@redhat.com>
1015 * config/mn10300/mn10300.c (mn10300_print_reg_list): Added.
1016 (mn10300_get_live_callee_saved_regs): Likewise.
1017 (mn10300_gen_multiple_store): Likewise.
1018 (store_multiple_operation): Likewise.
1019 (expand_prologue): Use mn10300_gen_multiple_store().
1020 * config/mn10300/mn10300-protos.h (mn10300_print_reg_list): Added.
1021 (mn10300_get_live_callee_saved_regs): Likewise.
1022 (mn10300_gen_multiple_store): Likewise.
1023 (store_multiple_operation): Likewise.
1024 * config/mn10300/mn10300.md (store_movm): Use a MATCH_PARALLEL
1025 tied to store_multiple_operation().
1027 Tue Dec 5 20:09:14 2000 Jeffrey A Law (law@cygnus.com)
1029 * builtins.c (expand_builtin_setjmp_setup): Set
1030 current_function_has_nonlocal_label.
1032 2000-12-05 Neil Booth <neilb@earthling.net>
1034 * cppfiles.c (stack_include_file): Push zero-length buffers
1035 in case of failure. Return void, as we don't fail any more.
1036 (read_include_file): Check for files we shouldn't re-read.
1037 Don't return an error code; errors are implied by marking the
1039 (_cpp_execute_include): Move the recursion and in-macro checks
1040 here. Update for stack_include_file not failing.
1041 * cpplib.c (cpp_push_buffer): Always succeed, since
1042 _cpp_execute_include performs the recursion check. Tidy up.
1043 * cpplib.h (cpp_push_buffer): Update prototype.
1045 2000-12-05 Alexandre Oliva <aoliva@redhat.com>
1047 * sched-vis.c (visual_tbl_line_length): New variable.
1048 (get_visual_tbl_length): Set it.
1049 (visualize_stall_cycles): Don't let stalls overrun
1050 visual_tbl_line_length.
1052 2000-12-05 Geoffrey Keating <geoffk@redhat.com>
1054 * global.c (global_conflicts): Allow for a REG_UNUSED note
1055 with a different mode to the REG set in the insn.
1057 2000-12-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1059 * Makefile.in (fixinc.sh): Pass $WARN_CFLAGS into fixinc dir.
1061 * fixinc/Makefile.in (FIXINC_DEFS): Add $(WARN_CFLAGS).
1063 2000-12-05 Bruce Korb <bkorb@gnu.org>
1065 * fixinc/mkfixinc.sh(*-gnu*): activate fixinc for GNU/Hurd and
1068 2000-12-05 Richard Earnshaw <rearnsha@arm.com>
1070 * fixinc/mkfixinc.sh: Run fixinc on netbsd.
1071 * fixinc/inclhack.def (machine/ansi.h): Run this rule on all files,
1072 to cope with aliased copies.
1073 * fixinc/fixincl.x: Regenerate.
1075 2000-12-05 Bernd Schmidt <bernds@redhat.co.uk>
1077 * sched-vis.c: Guard with #ifdef INSN_SCHEDULING.
1078 * sched-rgn.c: Likewise.
1079 (rgn_print_insn): Fix output.
1081 2000-12-05 Bruce Korb <bkorb@gnu.org>
1083 * fixinc/Makefile.*: make these more consistent
1084 * fixinc/mkfixincl.sh: enable BeOS fixincludes
1086 2000-12-05 Richard Henderson <rth@redhat.com>
1088 * stmt.c (warn_if_unused_value): Move side effects test earlier.
1090 2000-12-05 Alan Modra <alan@linuxcare.com.au>
1092 * bb-reorder.c (reorder_basic_blocks): Do check for EH edges even
1095 2000-12-05 Richard Henderson <rth@redhat.com>
1097 * flow.c (calculate_global_regs_live): Only force stack pointer
1098 live before reload. Force pic register live before reload.
1099 (insn_dead_p): Don't protect pic references from deletion.
1101 2000-12-05 Joseph S. Myers <jsm28@cam.ac.uk>
1103 * invoke.texi: Add support for using texi2pod.pl. Don't use
1106 2000-12-04 Nick Clifton <nickc@redhat.com>
1108 * config/arm/arm.c (arm_override_options): Test 'insn_flags' not
1109 'tune_flags' for XScale nature.
1110 Remove spurious test of HARD_FLOAT and XScale flags.
1112 * config/arm/arm.md (umulsidi3adddi): Restore "=&r" register
1113 contraint, accidentally changed during XScale contribution.
1115 * config/arm/lib1funcs.asm (interwork_call_via_, call_via_): Do
1116 not create these functions if the target architecture does not
1117 support Thumb instructions.
1119 2000-12-04 Joseph S. Myers <jsm28@cam.ac.uk>
1121 * ONEWS: New file with the current contents of NEWS up to EGCS
1123 * NEWS: Generate automatically from online release notes from EGCS
1124 1.0 to GCC 2.95.2, using ../contrib/gennews.
1126 2000-12-04 Neil Booth <neilb@earthling.net>
1128 * tradcif.y: Move lexptr to top of file. Add rule to handle
1129 assertions in conditional expressions.
1130 * tradcpp.c (parse_answer): Assertions do not need to go to
1131 end of line in conditional directives.
1132 (parse_assertion): Get first character of identifiers correct.
1133 (test_assertion): New function.
1134 * tradcpp.h (test_assertion): New prototype.
1136 2000-12-01 Rodney Brown <RodneyBrown@mynd.com>
1138 * config.gcc: Fix typo for UnixWare 7.
1140 2000-12-03 Phil Edwards <pme@sources.redhat.com>
1142 * invoke.texi: Replace `pedwarns' with clearer text.
1144 2000-12-04 Bruce Korb <bkorb@gnu.org>
1146 * fixinc/Makefile.*(clean): don't clean autogenerated files.
1147 (mainainer-clean): clean autogenerated files
1149 2000-12-04 DJ Delorie <dj@redhat.com>
1151 * md.texi: Add overview, clarify match_dup and define_expand.
1153 2000-12-04 DJ Delorie <dj@redhat.com>
1155 * print-tree.c (print_node): Target-specific builtins print
1158 2000-12-04 Jason Merrill <jason@redhat.com>
1160 * stor-layout.c (int_mode_for_mode): Handle MODE_VECTOR_INT,
1163 * diagnostic.c (report_problematic_module): s/function/module/.
1165 * c-lex.h: Remove decl for check_newline.
1167 2000-12-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1169 * README.APOLLO: Remove obsolete file.
1171 2000-12-04 Neil Booth <neilb@earthling.net>
1173 * cppinternals.texi: New file.
1175 2000-12-04 Neil Booth <neilb@earthling.net>
1177 * cppfiles.c (cpp_make_system_header): Take 2 booleans,
1178 and operate on current buffer.
1179 (cpp_read_file): Rename _cpp_read_file.
1180 * cpplib.c (do_line, do_pragma_system_header): Update calls to
1181 cpp_make_system_header.
1182 * fix-header.c: Similarly.
1183 * cpphash.h (_cpp_read_file): Move from...
1184 * cpplib.h: ... here.
1185 * cppinit.c (do_includes, cpp_start_read): Update appropriately.
1187 2000-12-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1189 * builtins.c (expand_builtin_strspn, expand_builtin_strcspn):
1190 Handle another transformation.
1192 2000-12-03 Nick Clifton <nickc@redhat.com>
1194 * config.gcc: Add support for StrongARM targets.
1195 * config/arm/t-strongarm-elf: New file.
1196 * config/arm/t-strongarm-coff: New file.
1197 * config/arm/t-strongarm-pe: New file.
1198 * config/arm/strongarm-pe.h: New file.
1200 2000-12-03 Nick Clifton <nickc@redhat.com>
1202 * NEWS: Mention XScale has been added.
1203 * config.gcc: Add support for XScale targets.
1204 * config/arm/arm.h: Add support for XScale processor.
1205 * config/arm/arm.c: Add support for XScale processor.
1206 * config/arm/arm.md: Add support for XScale processor.
1207 * config/arm/t-xscale-elf: New file.
1208 * config/arm/t-xscale-coff: New file.
1209 * config/arm/xscale-elf.h: New file.
1210 * config/arm/xscale-coff.h: New file.
1212 2000-12-03 Richard Henderson <rth@redhat.com>
1214 * bb-reorder.c (reorder_basic_blocks): Don't check for EH edges
1215 unless exception handling is enabled, and if not using sjlj.
1217 * builtins.c (expand_builtin_setjmp_setup): New.
1218 (expand_builtin_setjmp_receiver): New.
1219 (expand_builtin_setjmp): Split out _setup and _receiver functions.
1220 Move argument parsing in from ...
1221 (expand_builtin): ... here.
1222 * except.c (receive_exception_label): Branch around receiver
1223 unless new-style exceptions. Call expand_builtin_setjmp_receiver.
1224 (start_dynamic_handler): Call expand_builtin_setjmp_setup.
1225 * expr.h: Update builtin setjmp decls.
1227 2000-12-03 Bruce Korb <bkorb@gcc.org>
1229 * fixinc/mkfixinc.sh(build machine): Sometimes, there is no canonical
1230 build machine name. Default to the target.
1232 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
1234 * Makefile.in: use $(build_canonical), not $(canonical_build).
1236 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
1238 * Makefile.in (OBJS): Add sched-rgn.o.
1239 (sched-rgn.o): New rule. * haifa-sched.c (sched_verbose): No
1241 (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
1242 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
1243 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
1244 MAX_BLOCKAGE_COST): Move to sched-int.h.
1245 (MAX_RGN_BLOCKS, MAX_RGN_INSNS, INSN_REF_COUNT, FED_BY_SPEC_LOAD,
1246 IS_LOAD_INSN, struct haifa_edge, edge_table, NEXT_IN, NEXT_OUT,
1247 FROM_BLOCK, TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES,
1248 OUT_EDGES, edgelst, struct region, nr_regions, rgn_table,
1249 rgn_bb_table, block_to_bb, containing_rgn, RGN_NR_BLOCKS,
1250 RGN_BLOCKS, BLOCK_TO_BB, BB_TO_BLOCK, CONTAINING_RGN,
1251 debug_regions, find_single_block_region, find_rgns, too_large,
1252 init_regions, current_nr_blocks, current_blocks, bitset, bitlst,
1253 bitlst_table_last, bitlst_table_size, bitlst_table, bitset_member,
1254 extract_bitlst, bblst, struct candidate, candidate_table,
1255 bblst_table, bblst_size, bblst_last, IS_VALID, IS_SPECULATIVE,
1256 SRC_PROB, target_bb, split_edges, compute_trg_info,
1257 debug_candidate, debug_candidates, bbset, bbset_size, dom,
1258 IS_RGN_ENTRY, IS_DOMINATED, prob, GET_SRC_PROB, edgeset,
1259 rgn_nr_edges, rgn_edges, edgeset_size, edgeset_bitsize,
1260 EDGE_TO_BIT, edge_to_bit, pot_split, ancestor_edges,
1261 compute_dom_prob_ps, ABS_VALUE, INSN_PROBABILITY,
1262 IS_SPECULATIVE_INSN, INSN_BB, MIN_DIFF_PRIORITY, MIN_PROBABILITY,
1263 MIN_PROB_DIFF, check_live_1, update_live_1, check_live,
1264 update_live, set_spec_fed, is_pfree, find_conditional_protection,
1265 is_conditionally_protected, may_trap_exp, haifa_classify_insn,
1266 is_prisky, is_exception_free, add_branch_dependences,
1267 propagate_deps, compute_block_backward_dependences,
1268 debug_dependencies, is_cfg_nonregular, build_control_flow,
1269 new_edge, bb_deps, BITSET_UNION, BITSET_INTER, BITSET_DIFFER,
1270 BITSET_INVERT, BITSET_ADD, BITSET_REMOVE, debug_regions,
1271 UPDATE_LOOP_RELATIONS, INSN_TRAP_CLASS, WORST_CLASS, IS_REACHABLE,
1272 CONST_BASED_ADDRESS_P, free_pending_lists, sched_target_n_insns,
1273 target_n_insns, sched_n_insns, init_ready_list, deaths_in_region,
1274 can_schedule_ready_p, new_ready, schedule_more_p, rgn_print_insn,
1275 rgn_rank, region_sched_info): Move to sched-rgn.c.
1276 (debug_reg_vector): Delete useless function.
1277 (get_bb_head_tail): Likewise.
1278 (insn_issue_delay, insn_cost, ready_add, get_block_head_tail,
1279 no_real_insns_p, rm_line_notes, save_line_notes,
1280 restore_line_notes, rm_redundant_line_notes, sched_init): No
1282 (rm_line_notes, save_line_notes, restore_line_notes,
1283 schedule_block, set_priorities): Change argument to be a real
1284 basic block, not one of haifa's "bb"s. All callers changed
1285 (rm_other_notes): Initialize note_list here, not in
1287 (sched_finish): New function, called from schedule_insn. * *
1288 sched-int.h (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
1289 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
1290 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
1291 MAX_BLOCKAGE_COST): Moved here from haifa-sched.c.
1292 (get_block_head_tail, no_real_insns_p, rm_line_notes,
1293 save_line_notes, restore_line_notes, rm_redundant_line_notes,
1294 rm_other_notes, insn_issue_delay, set_priorities, schedule_block,
1295 sched_init, sched_finish, ready_add, insn_cost): Declare.
1297 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
1298 Bruce Korb <bkorb@gnu.org>
1300 * Makefile.in: pass $(build_canonical) to mkfixinc.sh.
1301 * fixinc/mkfixinc.sh: accept build system name as an argument.
1302 Use it for choosing the fix build method. Use the target for
1303 selecting special fix rules.
1305 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
1307 * Makefile.in (OBJS): Add sched-deps.o.
1308 (sched-deps.o): New rule.
1309 * haifa-sched.c (struct deps, struct haifa_insn_data): Moved to
1311 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved to
1313 (SIZE_FOR_MODE): Delete unused macro.
1314 (reg_known_equiv_p, reg_known_value, reg_pending_clobbers,
1315 reg_pending_sets, reg_pending_sets_all, true_dependency_cache,
1316 anti_dependency_cache, output_dependency_cache,
1317 forward_dependency_cache): Variables moved to sched-deps.c.
1318 (add_dependence, remove_dependence, find_insn_list,
1319 find_insn_mem_list, add_insn_mem_dependence, flush_pending_lists,
1320 sched_analyze_insn, sched_analyze_1, sched_analyze_2,
1321 sched_analyze, group_leader, compute_forward_dependences,
1322 init_deps, free_deps, init_dependency_caches, free_dependency_caches):
1323 Functions moved to sched-deps.c.
1324 (schedule_region): Call init_deps_global and finish_deps_global
1325 instead of directly manipulating dependency data structures.
1326 * sched-deps.c: New file.
1327 (init_deps_global, finish_deps_global): New functions.
1328 * sched-int.h (struct haifa_insn_data, struct deps): Moved here from
1331 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved here
1334 * Makefile.in (OBJS): Add sched-vis.o.
1335 (sched-vis.o): New rule.
1336 * haifa-sched.c (get_unit_last_insn): New function.
1337 (sched_dump, insn_unit, actual_hazard_this_instance): No longer
1339 (schedule_block): Call visualize_alloc and visualize_free. Delete
1340 spurious return statement.
1341 (init_target_units, insn_print_units, get_visual_tbl_length,
1342 init_block_visualization, print_block_visualization, safe_concat,
1343 visualize_scheduled_inns, visualize_no_unit, visualize_stall_cycles,
1344 print_exp, print_value, print_pattern, print_insn, target_units,
1345 MAX_VISUAL_LINES, INSN_LEN, n_visual_lines, visual_tbl,
1346 n_vis_no_unit, vis_no_unit): Move scheduling visualization
1347 functions/variables...
1348 * sched-vis.c: ...here. New file.
1349 (visualize_alloc, visualize_free): New functions.
1350 (visualize_scheduled_insns, visualize_stall_cycles,
1351 print_block_visualization): Lose basic block argument. All callers
1353 (visualize_scheduled_insns): Use new function get_unit_last_insn.
1354 * sched-int.h (current_sched_info, sched_dump): Declare.
1355 (init_target_units, insn_print_units, init_block_visualization,
1356 print_block_visualization, visualize_scheduled_inns,
1357 visualize_no_unit, visualize_stall_cycles, visualize_alloc,
1358 visualize_free): Declare functions.
1360 * sched-int.h: New file.
1361 * Makefile.in (haifa-sched.o): Depend on it.
1362 * haifa-sched.c: Include it.
1363 (no_real_insns_p): New function.
1364 (current_sched_info): New static variable.
1365 (__inline, HAIFA_INLINE): Moved to sched-int.h.
1366 (get_block_head_tail): Minor cleanup.
1367 (init_ready_list, can_schedule_ready_p, new_ready, schedule_more_p,
1368 rgn_print_insn, rgn_rank): New functions, broken out of
1369 rank_for_schedule, schedule_insn and schedule_block, where they
1370 are now called through function pointers in current_sched_info.
1371 (queue_insn, schedule_insn, queue_to_ready, debug_ready_list,
1372 print_insn): To display uid and block number, call the print_insn
1373 function pointer in current_schedule_info.
1374 (region_sched_info): New static variable.
1375 (sched_target_n_insns, sched_n_insns, target_n_insns): New global
1376 variables, moved out of schedule_block.
1377 (schedule_block): Return void. All callers changed.
1378 Move some of the setup code into schedule_region. Get head/tail
1379 from current_sched_info, and update it when done.
1380 (schedule_region): Slightly rearranged, some code moved here from
1381 schedule_block. Call no_real_insns_p to avoid doing work for a
1382 block that consists only of notes and labels.
1383 (schedule_insns): Initialize current_sched_info.
1385 2000-12-03 Neil Booth <neilb@earthling.net>
1387 * cppmacro.c (funlike_invocation_p): Re-disable macros enabled
1388 by contexts drops AFTER argument pre-expansion, so that they
1389 remain enabled during argument pre-expansion.
1390 (_cpp_pop_context): Unconditionally re-enable a macro when
1391 dropping a context level.
1393 2000-12-03 Manfred Hollstein <manfredh@redhat.com>
1395 * arm/t-linux (MULTILIB_OPTIONS): Comment.
1396 (MULTILIB_DIRNAMES): Likewise.
1397 (EXTRA_MULTILIB_PARTS): Likewise.
1399 (INSTALL_LIBGCC): Likewise.
1401 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1403 * builtins.c (expand_builtin_strcat, expand_builtin_strncat,
1404 expand_builtin_strspn, expand_builtin_strcspn): New functions.
1405 (expand_builtin): Handle BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
1406 BUILT_IN_STRSPN and BUILT_IN_STRCSPN.
1408 * builtins.def (BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
1409 BUILT_IN_STRSPN, BUILT_IN_STRCSPN): New entries.
1411 * c-common.c (c_common_nodes_and_builtins): Declare builtin
1412 strcat, strncat, strspn and strcspn.
1413 (string_ftype_string_cstring): Renamed from `string_ftype_ptr_ptr'.
1415 * extend.texi (strcat, strcspn, strncat, strspn): Document new
1418 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1420 * builtins.c (expand_builtin_strcmp): Use const*_rtx when
1421 expanding strcmp at compile-time. Add another transformation.
1422 (expand_builtin_strncmp): Add more transformations. Call
1423 expand_builtin_memcmp, not expand_builtin_strcmp, under
1424 appropriate conditions if HAVE_cmpstrsi.
1426 2000-12-02 David Edelsohn <edelsohn@gnu.org>
1428 * rs6000.md (anddi3_internal[23]): Prefer rldic? over andis
1430 (cr logic): Really make operands sequential.
1432 2000-12-02 Geoffrey Keating <geoffk@redhat.com>
1434 * c-common.c (combine_strings): When the ISO C standard specifies
1435 the maximum length of a string, it doesn't include the trailing
1438 * cpplib.c (do_ifdef): Add check_eol() call.
1439 (do_ifndef): Likewise.
1441 2000-12-02 Daniel Berlin <dberlin@redhat.com>
1442 Bruce Korb <bkorb@gnu.org>
1444 * fixinc/*: global substitute /__MSDOS__/SEPARATE_FIX_PROC/
1445 * fixinc/mkfixinc.sh: prepare to use Makefile.BEOS for *-*-beos*
1446 * fixinc/Makefile.DOS: define SEPARATE_FIX_PROC for build
1447 * fixinc/fixfix.c(wrap_fix): avoid wrapping files that
1448 use the "__need_" hackery. It breaks them.
1449 * fixinc/fixincl.c(process - SEPARATE_FIX_PROC):
1450 Sometimes on DOS and BeOS the temp output file cannot be opened.
1451 Skip the file noisily. Ought to be fixed instead.
1453 2000-12-02 Bruce Korb <bkorb@gnu.org>
1455 From: 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1457 * fixfixes.c (emit_gnu_type, format_write): Prototype.
1458 (format_write, char_macro_use_fix, char_macro_def_fix): Use gcc's
1459 custom uppercase ctype macros.
1460 * fixincl.c (do_version): Make static and add ATTRIBUTE_NORETURN.
1461 Use gcc's custom uppercase ctype macros.
1463 (machine_matches): Add static prototype and constify variable.
1464 (create_file, test_test, egrep_test): Add static prototype.
1465 (quoted_file_exists): Likewise, and constify parameters.
1466 (extract_quoted_files, internal_fix, start_fixer, fix_applies,
1467 write_replacement, test_for_changes): Add static prototype.
1468 (write_replacement, test_for_changes): Delete excess argument to
1470 * fixtests.c (test): Make static.
1471 * server.c (load_data, sig_handler, server_setup, find_shell): Add
1473 (sig_handler): Mark parameter with ATTRIBUTE_UNUSED.
1475 2000-12-02 Bruce Korb <bkorb@gnu.org>
1477 * fixnc/mkfixinc.sh(msdosdjgpp): remove from fixincludes exception list
1478 (per Laurynas Biveinis <lauras@softhome.net>)
1480 2000-12-02 Richard Earnshaw <rearnsha@arm.com>
1482 * arm.h (ARM_REGNO_OK_FOR_BASE_P, THUMB_REGNO_MODE_OK_FOR_BASE_P): New
1484 (REGNO_MODE_OK_FOR_BASE_P): Define in terms of above.
1485 (REGNO_OK_FOR_FOR_BASE_P): Delete.
1486 (ARM_REG_OK_FOR_BASE_P, THUMB_REG_MODE_OK_FOR_BASE_P): New macros for
1487 both strict and non-strict uses.
1488 (REG_MODE_OK_FOR_BASE_P): Define in terms of above.
1489 (ARM_REG_OK_FOR_INDEX_P, THUMB_REG_OK_FOR_INDEX_P): New macros.
1490 (REG_OK_FOR_INDEX_P): Define in terms of above.
1491 (REG_OK_FOR_BASE_P): Delete.
1492 (REG_OK_FOR_PRE_POST_P): Delete.
1493 (ARM_BASE_REGISTER_RTX_P): Renamed from BASE_REGISTER_RTX_P.
1494 (ARM_INDEX_REGISTER_RTX_P): Renamed from INDEX_REGISTER_RTX_P.
1495 (ARM_GO_IF_LEGITIMATE_INDEX): Renamed from GO_IF_LEGITIMATE_INDEX.
1496 (THUMB_LEGITIMATE_OFFSET): Renamed from LEGITIMATE_OFFSET.
1497 (ARM_GO_IF_LEGITIMATE_ADDRESS): Adjust for name changes. Use ARM
1498 specific variants rather than general ones. Use ARM_REG_OK_FOR_BASE_P
1499 in pre/post increment cases.
1500 (THUMB_GO_IF_LEGITIMATE_ADDRESS): Similarly for Thumb.
1501 (ARM_LEGITIMIZE_ADDRESS): Similarly.
1502 (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Similarly.
1503 * arm.c (legitimate_pic_address): Similarly.
1505 2000-12-02 Neil Booth <neilb@earthling.net>
1507 * tradcpp.c (struct answer, parse_assertion, parse_answer,
1508 canonicalize_text, find_answer): New.
1509 (do_assert, do_unassert): Provide appropriate function bodies.
1510 (union hashval): New member answers.
1512 2000-11-23 Marek Michalkiewicz <marekm@linux.org.pl>
1514 * config/avr/avr.md: Document UNSPEC usage.
1515 (*tablejump_rjmp, *tablejump_lib, *tablejump_enh, *tablejump):
1516 Make operand 0 input only, clobber it. Use UNSPEC, not a bogus
1517 MEM for program memory word reference. Do not add the label to
1518 the table index in each of the asm output templates, instead ...
1519 (casesi): ... do it in RTL. Adjust to match the above change.
1521 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
1523 * c-common.c (PTRDIFF_TYPE): Provide default here, ...
1524 * c-decl.c: ... not here.
1526 * haifa-sched.c (sched_dump): Renamed from dump. All users changed.
1527 (old_max_uid): New variable.
1528 (compute_forward_dependences): Renamed from
1529 compute_block_forward_dependences; changed to accept block head and
1530 tail instead of block number. Caller changed.
1531 (free_deps, init_dependency_caches, free_dependency_caches,
1532 init_regions, sched_init): New functions, split out from
1533 schedule_insns and compute_block_backward_dependences.
1535 2000-12-02 Neil Booth <neilb@earthling.net>
1537 * cppexp.c (parse_number): Update diagnostic test.
1539 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
1541 * reload1.c (free_for_value_p): New function, frontend to
1542 reload_reg_free_for_value_p. All callers of the latter now call
1543 this function with an additional mode argument.
1545 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1547 * install.texi (Configurations): Remove obsolete documentation for
1550 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1552 * install.texi (Installation): Remove obsolete description for
1553 libstdc++ which is now an integral part of GCC.
1555 2000-12-01 Jim Blandy <jimb@redhat.com>
1557 * dbxout.c (dbxout_parms): Correctly describe parameters passed by
1558 invisible reference in registers, but then spilled to the stack.
1559 Remove code to emit a second stab for such parameters; it attempts
1560 to describe the value's location by introducing a synthetic C++
1561 `reference' type, and then saying the stack slot has that
1562 reference type. This loses type information (breaking GDB's
1563 `ptype' command, among other things) just to describe a location
1564 which stabs can represent correctly in other ways.
1566 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
1568 * final.c (output_addr_const) <PLUS>: Don't assume at least one
1569 operand is a CONST_INT.
1571 * config/sh/sh.c (reg_class_from_letter): Assign `k' to SIBCALL_REGS.
1572 (machine_dependent_reorg): Split all insns.
1573 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Compute
1574 reg_class_contents[SIBCALL_REGS].
1575 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add SIBCALL_REGS.
1576 * config/sh/sh.md (calli_pcrel, call_pcrel, call_valuei_pcrel,
1577 call_value_pcrel, call, call_value, sibcall): Match even when
1579 (sibcalli_pcrel, sibcall_pcrel): Likewise. Use constraint `k'
1581 (sibcalli): Likewise.
1583 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1585 * c-common.c (warn_format, warn_format_y2k,
1586 warn_format_extra_args, warn_format_nonliteral): Define.
1587 (check_format_info): Check warn_format_nonliteral and
1588 warn_format_extra_args.
1589 (check_format_info_main): Check warn_format_y2k.
1590 (set_Wformat): New function.
1591 * c-common.h (warn_format_y2k, warn_format_extra_args,
1592 warn_format_nonliteral, set_Wformat): Declare.
1593 * c-decl.c (warn_format): Remove definition.
1594 (c_decode_option): Handle -Wformat-nonliteral,
1595 -Wno-format-extra-args and -Wno-format-y2k, and negated versions.
1597 * invoke.texi: Document these new options and -Wformat=2.
1598 * toplev.c (documented_lang_options): Add these new options.
1600 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1602 * builtins.def (BUILT_IN_IMAXABS): Add.
1603 * builtins.c (expand_builtin): Also abort on BUILT_IN_IMAXABS.
1604 * c-common.c (c_common_nodes_and_builtins): Create builtin
1605 functions __builtin_imaxabs, and plain imaxabs unless
1606 flag_no_nonansi_builtin outside C99 mode.
1607 (expand_tree_builtin): Handle BUILT_IN_IMAXABS.
1608 * extend.texi: Document builtin imaxabs.
1610 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1612 * c-common.c: Include "defaults.h".
1613 (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Define.
1614 (c_common_nodes_and_builtins): Create string_type_node,
1615 const_string_type_node, wint_type_node, intmax_type_node,
1616 uintmax_type_node, default_function_type, ptrdiff_type_node and
1617 unsigned_ptrdiff_type_node.
1618 * c-common.h (identifier_global_value): Declare.
1619 * c-decl.c (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Don't define.
1620 (init_decl_processing): Don't create string_type_node,
1621 const_string_type_node, wint_type_node, intmax_type_node,
1622 uintmax_type_node, default_function_type, ptrdiff_type_node and
1623 unsigned_ptrdiff_type_node.
1624 (identifier_global_value): New function.
1626 2000-12-01 Neil Booth <neilb@earthling.net>
1628 * cppinit.c (initialize): Forgotten prototype.
1629 * cpplex.c (_cpp_lex_token): Loop until not skipping.
1630 Always clear PREV_WHITE upon meeting a new line.
1631 * cpplib.c (end_directive): Set pfile->skipping after
1633 * cpplib.h (cpp_reader): Remove macro_pos.
1634 * cppmacro.c (cpp_get_line): Don't do anything special inside
1636 (parse_arg): Add PREV_WHITE if a token appears after new lines.
1637 (funlike_invocation_p): Save and restore the output position
1638 over a successful check for a '('.
1639 (enter_macro_context): Delete uses of macro_pos.
1640 (cpp_get_token): Don't use pfile->skipping.
1642 2000-12-01 Phil Edwards <pme@sources.redhat.com>
1644 * diagnostic.c: Fix typos in comments.
1645 * diagnostic.h: Likewise.
1647 2000-11-30 Phil Edwards <pme@sources.redhat.com>
1649 * rtl.texi (Machine Modes): Document BImode and OImode.
1651 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1653 * gcc.c (default_compilers): Add suffixes .mi, .cp, .ii, .FOR and
1656 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1658 * c-decl.c (grokdeclarator): If pedantic, warn about arrays with
1659 incomplete element type.
1660 (grokparms): Before checking for incomplete parameter type, check
1661 the type isn't error_mark_node.
1663 2000-12-01 Jakub Jelinek <jakub@redhat.com>
1665 * builtins.c (target_char_cast): New function.
1666 (expand_builtin_strchr): Use it.
1667 (expand_builtin_strrchr): Use it.
1668 (builtin_memset_read_str): New function.
1669 (expand_builtin_memset): Use target_char_cast.
1670 Try to optimize memset with second argument non-zero using
1673 2000-11-30 Marek Michalkiewicz <marekm@linux.org.pl>
1675 * install.texi (avr): Replace incomplete list of supported MCU
1676 types with a link to the current one ...
1677 * invoke.texi (AVR Options): ... here. Update -mmcu= to list
1678 all supported MCU types. Document -minit-stack= default.
1679 Document new options -mno-tablejump, -mtiny-stack.
1680 * md.texi (AVR family): Fix typo in 'w' constraint letter
1681 description. Document 'q'. Update 'O'.
1683 2000-12-01 Bernd Schmidt <bernds@redhat.co.uk>
1685 * combine.c (cant_combine_insn_p): Only disallow insns involving
1686 hard regs if they are reg-reg moves.
1687 (try_combine, can_combine_p, combinable_i3pat): Delete old
1688 SMALL_REGISTER_CLASSES tests.
1690 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
1692 * config/sh/sh.c (shiftcosts): Don't get INTVAL before testing
1693 whether X is a CONST_INT.
1694 (addsubcosts): Likewise.
1696 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Use INTVAL instead of
1698 (ARG_POINTER_REGNUM): Set to AP_REG.
1700 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
1702 * config/sh/sh.md (fpu_switch0, fpu_switch1, movpsi, fpu_switch,
1703 splits): Only match on TARGET_SH4.
1705 * combine.c (try_combine): Disregard USEs when updating LOG_LINKS
1706 of subsequent insns.
1708 2000-11-30 Richard Henderson <rth@redhat.com>
1710 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Disable.
1711 * config/alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
1713 2000-11-30 Richard Henderson <rth@redhat.com>
1715 * config/alpha/elf.h (ASM_OUTPUT_SECTION_NAME): Copy elfos.h defn.
1716 (DO_SELECT_SECTION): New.
1717 (SELECT_SECTION): Use it.
1718 (UNIQUE_SECTION_P): New.
1719 (UNIQUE_SECTION): New.
1721 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
1723 * c-common.c (status_warning) [! ANSI_PROTOTYPES]: Load status
1724 from va_list before using it.
1726 2000-11-30 Michael Matz <matzmich@cs.tu-berlin.de>
1728 * flow.c (make_edge): Early out, if no flags to set.
1729 (calculate_global_regs_live): Clear out garbage only when necessary.
1731 * simplify-rtx.c (varray_type used_regs): New.
1732 (clear_table): Use it to only clear necessary items.
1733 (cselib_lookup, cselib_record_set): Remember newly set items.
1734 (cselib_update_varray_sizes, cselib_init): Initialize and grow
1737 * local-alloc.c (update_equiv_regs): New local `cleared_regs'.
1738 Move clearing of dead regs out of insn-loop.
1740 2000-11-30 Richard Henderson <rth@redhat.com>
1742 * calls.c (expand_call): Emit queued insns before creating
1743 the tail recursion sequence.
1745 2000-11-30 J. David Anglin <dave.anglin@nrc.ca>
1746 Bruce Korb <bkorb@gnu.org>
1748 * fixinc/inclhack.def(): prevent dual double definition protection
1749 * fixinc/fixincl.x: regenerate
1751 2000-11-29 Loren J. Rittle <ljrittle@acm.org>
1753 * fixinc/Makefile.in (fixincl.x): Explicitly state the
1754 location of the generated file.
1756 2000-11-30 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1758 * README.FRESCO: Remove obsolete file.
1760 2000-11-30 Mark Kettenis <kettenis@gnu.org>
1762 * config/t-gnu (LIBGCC1, CROSS_LIBGCC1, CRTSTUFF_T_CFLAGS,
1763 TARGET_LIBGCC2_CFLAGS): Remove. We now use the settings from
1764 config/t-linux for the Hurd.
1766 2000-11-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1768 * config/mn10200/udivmod.c, config/mn10200/divmod.c,
1769 config/mn10200/udivmodsi4.c: Moved from here.
1770 * config/udivmod.c, config/divmod.c, config/udivmodsi4.c: To here.
1771 * config/mn10200/t-mn10200 (LIB2FUNCS_EXTRA): Use the generic
1772 C division functions.
1773 * config/m68hc11/t-m68hc11-gas (LIB2FUNCS_EXTRA): Likewise.
1775 Thu Nov 30 01:12:52 2000 Jeffrey A Law (law@cygnus.com)
1777 * pa.md (conditional moves): Avoid holes in operand list.
1778 (mod, umod patterns): Similarly.
1779 (variable extract/shift patterns): Similarly.
1781 2000-11-30 Neil Booth <neilb@earthling.net>
1783 * objc/objc-act.c (lang_init, finish_file, maybe_objc_comptypes,
1784 maybe_objc_check_decl, build_objc_string_object,
1785 objc_declare_alias, objc_declare_class, build_message_expr,
1786 build_protocol_expr, build_selector_expr, build_encode_expr,
1787 get_class_ivars, start_class, start_protocol): Remove
1788 redundant code, assuming doing_objc_thang is true.
1790 2000-11-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1792 * pa.c (restore_unscaled_index_insn_codes): Delete procedure.
1793 (record_unscaled_index_insn_codes): Likewise.
1794 (unscaled_index_insn_codes): Delete.
1795 (max_unscaled_index_insn_codes_uid): Delete.
1796 (output_function_prologue, output_function_epilogue, pa_reorg):
1797 Don't use the unscaled index insn hack.
1799 * pa.md: Remove hack from all index insns to reverse the operand
1800 order of frame and stack pointer references incorrectly created
1803 * function.h (emit_status): Delete member regno_pointer_flag and
1804 rename regno_pointer_flag_length to regno_pointer_align_length.
1805 Delete define for REGNO_POINTER_FLAG.
1806 * integrate.h (inline_remap): Delete member regno_pointer_flag.
1807 Add member x_regno_reg_rtx.
1808 * rtl.h (rtx_def): Use frame_related bit to indicate register is
1809 a pointer in REG expressions. Define REG_POINTER macro.
1810 * alias.c (find_base_value, find_base_term): Use REG_POINTER
1811 instead of REGNO_POINTER_FLAG.
1812 * combine.c (nonzero_bits, num_sign_bit_copies): Likewise.
1813 * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead
1814 of regno_pointer_flag_length. Remove code which refers to
1816 (mark_reg_pointer): Use REG_POINTER.
1817 (free_emit_status): Remove code which refers to regno_pointer_flag.
1818 (init_emit, mark_emit_status): Likewise.
1819 * flow.c (dump_flow_info): Likewise.
1820 * function.c (preserve_temp_slots): Likewise.
1821 * integrate.c (expand_inline_function, copy_rtx_and_substitute):
1822 Use x_regno_reg_rtx instead of regno_pointer_flag for function
1823 pointer determination in map.
1824 * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER.
1825 * predict.c (estimate_probability): Likewise.
1826 * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise.
1827 * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of
1828 regno_pointer_flag for function pointer determination in map.
1829 * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use
1831 * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand):
1833 (restore_unscaled_index_insn_codes): Revise comment.
1835 * expr.c (do_compare_and_jump): Add missing TYPE_MODE in statement.
1837 2000-11-30 Joseph S. Myers <jsm28@cam.ac.uk>
1839 * extend.texi: Update documentation for attributes.
1841 2000-11-29 David O'Brien <obrien@FreeBSD.org>
1843 * config/alpha/elf.h (IDENT_ASM_OP): Protect the #define.
1844 (ASM_DECLARE_OBJECT_NAME): Same.
1845 (ASM_FILE_END): Same.
1846 (ASM_FINISH_DECLARE_OBJECT): Same.
1847 (ASM_IDENTIFY_GCC): Same.
1848 (ASM_IDENTIFY_LANGUAGE): Same.
1849 (ASM_OUTPUT_CONSTRUCTOR): Same.
1850 (ASM_OUTPUT_DEF): Same.
1851 (ASM_OUTPUT_DESTRUCTOR): Same.
1852 (ASM_OUTPUT_EXTERNAL_LIBCALL): Same.
1853 (ASM_OUTPUT_SECTION_NAME): Same.
1854 (ASM_WEAKEN_LABEL): Same.
1855 (BSS_SECTION_ASM_OP): Same.
1856 (COMMON_ASM_OP): Same.
1857 (CONST_SECTION_ASM_OP): Same.
1858 (CONST_SECTION_FUNCTION): Same.
1859 (CTORS_SECTION_ASM_OP): Same.
1860 (DTORS_SECTION_ASM_OP): Same.
1862 (FINI_SECTION_ASM_OP): Same.
1863 (IDENT_ASM_OP): Same.
1864 (IDENT_ASM_OP): Same.
1865 (INIT_SECTION_ASM_OP): Same.
1867 (MAX_OFILE_ALIGNMENT): Same.
1868 (SBSS_SECTION_ASM_OP): Same.
1869 (SDATA_SECTION_ASM_OP): Same.
1870 (SECTION_FUNCTION_TEMPLATE): Same.
1871 (SELECT_SECTION): Same.
1872 (SE_CONST_SECTION): Same.
1873 (SIZE_ASM_OP): Same.
1874 (SKIP_ASM_OP): Same.
1875 (STRING_ASM_OP): Same.
1876 (STRING_LIMIT): Same.
1877 (TYPE_ASM_OP): Same.
1878 (TYPE_OPERAND_FMT): Same.
1880 2000-11-29 Neil Booth <neilb@earthling.net>
1882 * c-decl.c (c_decode_option): Don't handle -lang-objc.
1883 * objc/lang-options.h: Remove -lang-objc.
1884 * objc/lang-specs.h: Don't pass -lang-objc to cc1obj.
1885 * objc/objc-act.c (lang_init_options): Set c_language.
1887 2000-11-29 Jakub Jelinek <jakub@redhat.com>
1889 * expr.c (can_store_by_pieces): Reinitialize max_size for reverse
1892 2000-11-29 Neil Booth <neilb@earthling.net>
1894 * c-pragma.c (init_pragma): Update for parse_in type change.
1896 2000-11-29 Laurynas Biveinis <lauras@softhome.net>
1898 * configure.in: recognize DOS-style absolute paths.
1900 2000-11-29 Jakub Jelinek <jakub@redhat.com>
1902 * expr.h (store_by_pieces): Add prototype.
1903 (can_store_by_pieces): Likewise.
1904 * expr.c (struct store_by_pieces): Renamed from clear_by_pieces.
1905 (can_store_by_pieces): New.
1906 (store_by_pieces): New.
1907 (clear_by_pieces): New.
1908 (clear_by_pieces_1): New.
1909 (store_by_pieces_1): Renamed from clear_by_pieces, handle storing
1910 arbitrary compiler generated constants into memory block.
1911 (store_by_pieces_2): Renamed from clear_by_pieces_1, likewise.
1912 * builtins.c (c_readstr): New.
1913 (builtin_memcpy_read_str): New.
1914 (expand_builtin_memcpy): If src is string constant and
1915 emit_block_move would move it by pieces, compute integer constants
1916 from the string and store it into memory block instead.
1917 (builtin_strncpy_read_str): New.
1918 (expand_builtin_strncpy): If N is not constant zero and c_strlen does
1919 not return INTEGER_CST, don't optimize.
1920 If N is larger than strlen(src) + 1, try to copy the string
1921 including padding with store_by_pieces.
1922 (expand_builtin_strcmp): If both arguments have side effects, don't
1924 (expand_builtin_fputs): If STR has side effects, don't optimize.
1926 2000-11-29 Richard Earnshaw <rearnsha@arm.com>
1928 * arm.md (sibcall, sibcall_value, sibcall_insn, sibcall_value_insn):
1929 Add use of link register.
1931 2000-11-29 Joseph S. Myers <jsm28@cam.ac.uk>
1933 * extend.texi: Update documentation for default format attributes.
1935 Tue Nov 28 21:56:45 2000 Jeffrey A Law (law@cygnus.com)
1937 * pa/pa-64.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
1938 a list, to keep track of the sections.
1940 2000-11-28 Nick Clifton <nickc@redhat.com>
1942 * config/arm/arm.md (pic_load_addr): Split into
1943 pic_load_addr_arm and pic_load_addr_thumb.
1945 * config/arm/arm.c (legitimize_pic_address): Generate either
1946 ARM or Thumb versions of pic_load_addr.
1947 (arm_finalize_pic): Generate either ARM or Thumb versions of
1950 2000-11-28 Richard Henderson <rth@redhat.com>
1952 * calls.c (expand_call): Defer const/pure NO_DEFER_POP until
1953 after sibcall do_pending_stack_adjust.
1955 Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com>
1957 * jump.c (delete_insn): Check that REG_LABEL note actually contains
1960 2000-11-28 Neil Booth <neilb@earthling.net>
1962 * c-common.h: Remove flag_digraphs.
1963 * c-decl.c: Remove flag_digraphs.
1964 (c_decode_option): Don't set it.
1965 * c-lex.c (init_c_lex): Don't do anything for digraphs.
1967 2000-11-28 Richard Henderson <rth@redhat.com>
1969 * c-parse.in (finish_parse): Update for parse_in type change.
1972 2000-11-28 Neil Booth <neilb@earthling.net>
1974 * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
1975 indicating whether to scan all buffers on the stack or
1977 * cppinit.c (do_includes): Update.
1978 * cppmain.c (main): Update.
1979 * cpplib.h: Update prototype.
1981 2000-11-28 Richard Henderson <rth@redhat.com>
1983 * genoutput.c (validate_insn_operands): New.
1984 (gen_insn): Call it.
1986 * config/alpha/alpha.md (divmodsi_internal): Renumber operands.
1987 (divmoddi_internal): Likewise.
1988 * config/arm/arm.md (andsi3_compare0_scratch): Likewise.
1989 * config/i960/i960.md (branch patterns): Likewise.
1990 * config/ia64/ia64.md (tbit_and_0): Likewise.
1991 (tbit_and_1, tbit_or_0, tbit_or_1): Likewise.
1992 * config/m68k/m68k.md (zero_extract memory patterns): Likewise.
1993 * config/mips/mips.md (divmodsi4_internal): Likewise.
1994 (divmoddi4_internal): Likewise.
1995 * config/rs6000/rs6000.md (call patterns): Likewise.
1996 * config/sh/sh.md (movsi_y): Likewise.
1997 * config/sparc/sparc.md: Comment out if 0 v8p shift pattern.
1999 2000-11-28 Richard Henderson <rth@redhat.com>
2001 * config.gcc: Kill residual pyramid support.
2003 2000-11-28 Neil Booth <neilb@earthling.net>
2005 * c-lex.h (parse_in): Change parse_in to a cpp_reader *.
2006 * c-decl.c (c_decode_option): Update to match.
2007 * c-lex.c (init_c_lex, yyparse): Update to match.
2008 * c-lang.c (lang_init_options): Use cpp_create_reader.
2009 * cppinit.c (cpp_init): Rename initialize.
2010 (cpp_reader_init): Rename cpp_create_reader. Create the
2011 reader. Initialize cpplib if appropriate.
2012 * cpplib.h (cpp_create_reader) New prototype.
2013 (cpp_init, cpp_reader_init): Delete prototypes.
2014 * cppmain.c (general_init, setup_callbacks): New functions.
2016 * fix-header.c (scan_in): Change type to cpp_reader *.
2017 (read_scan_file): Update for new cpplib interface and scan_in type.
2019 * cp/decl.c (parse_in): Change to cpp_reader *.
2020 (lang_decode_option): Update.
2021 * cp/lex.c (lang_init_options): Use new cpplib interface.
2022 (init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
2023 * cp/spew.c (read_token): Update.
2024 * objc/objc-act.c (lang_init_options): Update new cpplib interface.
2026 2000-11-28 Jakub Jelinek <jakub@redhat.com>
2028 * loop.c (load_mems): Avoid using next_label to find end_label. If
2029 jumping outside of the loop (other than loop end), don't hoist MEMs
2032 2000-11-28 Jan Hubicka <jh@suse.cz>
2034 * calls.c (expand_call): Don't disable tail recursion based
2037 2000-11-28 Neil Booth <neilb@earthling.net>
2039 * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT.
2040 (struct directive): Drop 4th argument from handlers.
2041 (do_define, do_line, do_include, do_undef, do_else, do_elif,
2042 do_endif): Similarly.
2043 (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers.
2044 (do_ifxdef): Update as common handler of do_ifdef and do_ifndef.
2045 (make_definition, make_undef): Take a const char*.
2046 (make_assertion): New function.
2047 (struct directive_table): Update.
2048 (main): Handle -A command line argument.
2049 (handle_directive): Drop fourth handler argument.
2051 2000-11-28 Bernd Schmidt <bernds@redhat.co.uk>
2053 * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination
2054 is anything but REG or MEM, but look inside STRICT_LOW_PART.
2056 Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2058 * system.h (IS_DIR_SEPARATOR): Use uppercase macro name.
2059 (IS_ABSOLUTE_PATHNAME): New macro.
2060 * gcc.c (find_a_file, process_command, do_spec_1, main): Use it.
2062 2000-11-28 Jakub Jelinek <jakub@redhat.com>
2064 * config/i386/i386.md (truncxfsf2_2): Fix predicate.
2066 2000-11-27 Jim Wilson <wilson@redhat.com>
2068 * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size.
2070 2000-11-27 Matthias Klose <doko@cs.tu-berlin.de>
2072 * extend.texi (Nested Functions): Update URL of Usenix paper.
2074 2000-11-27 Mark Mitchell <mark@codesourcery.com>
2076 * function.c (free_after_compilation): Clear x_clobber_return_insn.
2078 2000-11-27 Neil Booth <neilb@earthling.net>
2080 * cppinit.c (cpp_reader_init): Remove handling of warn_paste
2081 command line options.
2082 (cpp_handle_option): Similarly.
2083 * cpplib.h (struct cpp_options): Remove warn_paste.
2084 * cppmacro.c (paste_tokens): Apart from assembler, make
2085 unpasteable token warning mandatory.
2087 2000-11-27 Neil Booth <neilb@earthling.net>
2089 * tradcpp.c (enum pending_dir_t, struct pending_dir): New.
2090 (main): Allocate a pending directive set of these. Use it.
2091 Merge handling of -D and -U. Update handling of pending
2092 directives. Free the memory after use.
2094 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
2096 * flow.c (entry_exit_blocks): Add entry for cond_local_set.
2097 (struct propagate_block_info): Add new member cond_local_set.
2098 (propagate_block): Accept new arg cond_local_set. All callers
2100 (init_propagate_block_info): Likewise.
2101 (calculate_global_regs_live): Allocate & free cond_local_set. Always
2102 rescan if there's overlap between cond_local_set and new_live_at_end.
2103 (mark_set_1): Set bits either in cond_local_set or local_set, as
2105 * basic-block.h (struct basic_block_def): New field cond_local_set.
2106 (propagate_block, init_propagate_block_info): Update prototypes.
2108 Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
2110 * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
2113 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
2115 * arm.c (select_dominance_cc_mode): Handle new way that combine
2116 canonicalizes conditional compares.
2117 (arm_select_cc_mode): Likewise.
2118 * arm.md: Garbage collect some dead code.
2119 (cmp_and, cmp_ior): New patterns.
2120 (splitter for conditional move with inverted false): Use cond_exec
2121 and handle unordered comparisons.
2123 Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
2125 * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
2126 * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
2127 * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
2128 ix86_force_to_memory and ix86_free_from_memory.
2130 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
2132 * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
2133 arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
2134 anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
2135 one_cmpldi2): Merge with splitters to create define_insn_and_split
2136 patterns. Remove redundant splits.
2137 (peephole2 for add:SI of invalid immediate): New.
2138 (peephole2 for minus:SI of invalid immediate): New.
2139 (peephole2 for ior:SI of invalid immediate): New.
2140 (peephole for merge of move and compare): Convert ot peephole2.
2141 (addsf3, adddf3): Mark as commutative.
2143 * arm.md (thumb peephole for merging stack adjustments): Convert to
2146 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
2148 * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
2150 * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
2151 (reload_cse_simplify_operands): Do nothing about operands where both
2152 the operand and the match_operand fail to give us a mode.
2153 * simplify-rtx.c (wrap_constant): New function.
2154 (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
2155 CONST describing the proper mode.
2156 (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
2158 (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
2159 htab_find_slot_with_hash.
2160 (cselib_lookup): Likewise.
2162 Based on a patch from Geoff Keating <geoffk@redhat.com>:
2163 * loop.c (basic_induction_var): If a REG is set from something
2164 that is not a biv, then the REG is not a biv. Even if it is
2165 earlier set from something that is a biv.
2167 2000-11-27 Alexandre Oliva <aoliva@redhat.com>
2169 * configure.in (extra_objs): Enclose extra_headers in quotes.
2170 * configure: Rebuilt.
2172 2000-11-27 Neil Booth <neilb@earthling.net>
2174 * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
2175 Combine into the new function cb_change_file.
2176 (init_c_lex): Update.
2177 * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
2178 (cpp_syshdr_flags): Delete.
2179 * cpphash.h (_cpp_do_file_change): New prototype.
2180 Move struct cpp_buffer here from...
2181 * cpplib.h (struct cpp_buffer): ... here.
2182 (enum cpp_fc_reason, struct cpp_file_loc,
2183 struct_cpp_file_change, change_file): New.
2184 (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
2185 * cpplib.c (do_line): Update for new cb_change_file callback.
2186 (_cpp_do_file_change): New function.
2187 (_cpp_pop_buffer): Update to use it.
2188 * cppmain.c (move_printer): Delete.
2189 (main): Set up single callback cb_change_file.
2190 (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
2191 (cb_change_file): New.
2192 * fix-header.c (cur_file, cb_change_file): New.
2193 (recognized_function, read_scan_file): Update.
2194 * scan-decls.c (scan_decls): Update.
2195 * scan.h (recognized_function): Update prototype.
2197 2000-11-26 Mark Mitchell <mark@codesourcery.com>
2199 * tree.h (mark_tree_hashtable): New function.
2200 * tree.c (mark_tree_hashtable_entry): New function.
2201 (mark_tree_hashtable): Likewise.
2203 2000-11-27 Michael Meissner <meissner@redhat.com>
2205 * d30v-protos.h (srelational_si_operator): Correctly spell
2207 (urelational_si_operator): Ditto.
2208 (relational_si_operator): Ditto.
2209 (d30v_expand_prologue): Add prototype.
2210 (d30v_expand_epilogue): Ditto.
2212 * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
2214 * d30v.md (movcccc_*): Delete now unused patterns.
2215 (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
2217 (define_cond_exec): Use 'b' to select branch flags.
2219 2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2221 * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
2223 (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
2225 * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
2227 * c-common.c (c_common_nodes_and_builtins): Declare builtin
2228 strncpy and strncmp.
2230 * extend.texi (strncmp, strncpy): Document new builtins.
2232 2000-11-26 Mark Mitchell <mark@codesourcery.com>
2234 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
2235 a list, to keep track of the sections.
2236 * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
2237 parameter provided will always be a canonical string.
2239 2000-11-26 Neil Booth <neilb@earthling.net>
2241 * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
2244 2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
2246 * makefile.vms: Remove EGCS references.
2248 2000-11-26 Ulrich Drepper <drepper@redhat.com>
2250 * dwarf2out.c (output_file_names): New function. Compute minimal
2251 combination of directory and file name table and emit them.
2252 (output_line_info): Remove code to emit directory and file name
2253 table and call output_file_names instead.
2254 (file_info_cmp): Helper function to sort directory names.
2256 2000-11-26 Neil Booth <neilb@earthling.net>
2258 * cpplib.h (struct cpp_reader): Remove lang_asm.
2259 (struct cpp_options): Remove c89. New members lang,
2261 * cppexp.c (parse_number): Use them.
2262 * cpphash.h (VALID_SIGN): Use them.
2263 * cppinit.c (set_lang, cpp_start_read): Update.
2264 * cpplex.c (parse_string, _cpp_lex_token): Update.
2265 * cpplib.c (_cpp_handle_directive): Update.
2266 * cppmacro.c (parse_args): Update.
2267 * cppmain.c (scan_buffer): Update.
2269 Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2271 * fold-const.c (fold, case CONVERT_EXPR): Always return tree of
2274 2000-11-26 Neil Booth <neilb@earthling.net>
2276 * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
2277 * c-decl.c: Remove parse_in declaration.
2278 * c-lang.c: Similarly.
2279 * c-lex.c: Similarly.
2280 * c-parse.in: Similarly.
2281 * c-pragma.c: Similarly.
2282 * configure.in: Similarly.
2283 * cp/Make-lang.in: Similarly.
2284 * cp/spew.c: Similarly.
2285 * cp/decl2.c: Remove check for lang-c++ option.
2286 * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
2287 * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
2288 * c-lex.h: Add declaration of parse_in.
2289 * cppinit.c: Call set_lang after allocating pfile->pending.
2290 * configure: Regenerate.
2292 2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
2294 * combine.c (try_combine): Remove redundant test.
2296 2000-11-25 Richard Henderson <rth@redhat.com>
2298 * c-common.h (DECL_C_HARD_REGISTER): New.
2299 * c-decl.c (finish_decl): Set it for asm register variables.
2300 * c-semantics.c (emit_local_var): Test it when instantiating one.
2302 2000-11-25 Richard Henderson <rth@redhat.com>
2304 * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
2305 lineno for the start of the function.
2307 2000-11-25 Richard Henderson <rth@redhat.com>
2309 * dwarf2out.c (file_table, file_table_allocated): Remove.
2310 (file_table_allocated): Remove.
2311 (struct file_table): New.
2312 (decl_file_table, line_file_table): New.
2313 (print_dwarf_line_table): Use them.
2314 (size_of_line_prolog): Likewise.
2315 (output_line_info): Likewise.
2316 (add_src_coords_attributes): Likewise.
2317 (gen_subprogram_die): Likewise.
2318 (gen_variable_die): Likewise.
2319 (dwarf2out_add_library_unit_info): Likewise.
2320 (dwarf2out_line): Likewise.
2321 (lookup_filename): Take a struct file_table argument.
2322 (init_file_table): New.
2323 (dwarf2out_init): Use it.
2325 2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
2327 * invoke.texi: Update sequence points references.
2329 2000-11-25 Neil Booth <neilb@earthling.net>
2331 * c-common.c: Remove USE_CPPLIB conditional inclusions.
2332 * c-common.h: Similarly.
2333 * c-decl.c: Similarly.
2334 * c-lang.c: Similarly.
2335 * c-lex.c: Similarly.
2336 * c-parse.in: Similarly.
2337 * c-pragma.c: Similarly.
2338 * c-pragma.h: Similarly.
2340 * toplev.c: Similarly.
2341 * cp/cp-tree.h: Similarly.
2342 * cp/decl2.c: Similarly.
2343 * cp/lang-specs.h: Similarly.
2344 * cp/lex.c: Similarly.
2345 * cp/lex.h: Similarly.
2346 * cp/spew.c: Similarly.
2347 * java/lang-options.h: Similarly.
2348 * objc/lang-specs.h: Similarly.
2349 * objc/objc-act.c: Similarly.
2351 * configure.in: Remove configure option.
2352 * config.in: Regenerate.
2353 * configure: Regenerate.
2355 2000-11-25 Richard Henderson <rth@redhat.com>
2357 * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
2358 Revert 2000-11-22 change.
2360 2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
2362 * config/i386/i386.h (FIXED_REGS): Make the three flags registers
2365 2000-11-25 Philipp Thomas <pthomas@suse.de>
2366 * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
2367 * configure: Rebuilt.
2369 2000-11-25 Jakub Jelinek <jakub@redhat.com>
2371 * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
2372 Handle CONST_INT as second argument.
2373 * config/sparc/sparc.c (set_extends): Remove first argument.
2374 Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
2376 (sparc_check_64): Abort if first argument is not REG.
2377 If it is DImode REG, look at the lower register of the register
2380 * config/sparc/sparc.c (load_pic_register, restore_regs,
2381 output_return, sparc_v8plus_shift, sparc_function_profiler,
2382 sparc_function_block_profiler, sparc_block_profiler): Fix output
2385 2000-11-25 Alexandre Oliva <aoliva@redhat.com>
2387 * config/sh/sh.h (TARGET_NONE): New.
2388 (TARGET_SWITCHES): For all variant-selecting switch, use
2389 TARGET_NONE to reset all other variant-selecting switch. Added
2390 empty strings to avoid warnings.
2391 (TARGET_DEFAULT): Set to SH1_BIT.
2393 * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
2396 * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
2397 (sibcall_pcrel): New insn_and_split.
2398 (sibcall, sibcall_value, sibcall_epilogue): New expands.
2400 * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
2401 symPLT_label2reg, call, call_value): Don't set
2402 current_function_uses_pic_offset_table.
2403 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
2404 PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
2405 takes it into account.
2406 (FINALIZE_PIC): Delete, useless.
2407 (LEGITIMATE_CONSTANT_P): Delete, unused.
2408 * config/sh/sh.c (sh_expand_prologue): Don't use
2409 current_function_uses_pic_offset_table. Don't special-case
2410 PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
2412 (sh_expand_epilogue, initial_elimination_offset): Don't
2413 special case PIC_OFFSET_TABLE_REGNUM.
2415 2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
2417 * config/sh/sh-protos.h (symbol_ref_operand): Declare.
2418 * config/sh/sh.md (UNSPEC_CALLER): New constant.
2419 (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
2420 (call_pcrel, call_value_pcrel): New insn_and_splits.
2421 (call, call_value): Use them.
2422 (call_site): New expand.
2423 (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
2424 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
2425 Output call_site label.
2426 (PREDICATE_CODES): Added symbol_ref_operand.
2427 * config/sh/sh.c (symbol_ref_operand): Define.
2428 * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
2429 to CALL_INSNs in the split sequence.
2431 2000-11-24 Nick Clifton <nickc@redhat.com>
2433 * config.gcc (v850-*-*): Define c_target_objs and
2436 * config/v850/t-v850: Define how to build v850-c.o
2438 * config/v850/v850.h (struct data_area_stack_element): Move
2439 definition here from v850.c.
2441 * config/v850v850.c: Include gcc.h to avoid compile time
2443 (push_data_area): Move to v850-c.c.
2444 (pop_data_area): Move to v850-c.c.
2445 (mark_current_function_as_interrupt): Move to v850-c.c.
2446 (GHS_default_section_names): Allow to be exported.
2447 (GHS_current_section_names): Allow to be exported.
2448 (data_area_stack_elements): Allow to be exported.
2449 (ghs_pragma_section): Move to v850-c.c.
2450 (ghs_pragma_interrupt): Move to v850-c.c.
2451 (ghs_pragma_starttda): Move to v850-c.c.
2452 (ghs_pragma_startsda): Move to v850-c.c.
2453 (ghs_pragma_startzda): Move to v850-c.c.
2454 (ghs_pragma_endtda): Move to v850-c.c.
2455 (ghs_pragma_endsda): Move to v850-c.c.
2456 (ghs_pragma_endzda): Move to v850-c.c.
2458 * config/v850/v850-c.c: New file: Contains v850 specific
2459 pragma parsing functions.
2461 2000-11-24 Nick Clifton <nickc@redhat.com>
2463 * config.gcc (extra_objs): Remove duplicate description.
2464 (c_target_objs): New variable. Contains target specific
2465 object files for the gcc C compiler only.
2466 (cxx_target_objs): New variable. Contains target specific
2467 object files for the gxx C++ compiler only.
2469 * configure.in (c_target_objs): Substitute in the makefile.
2470 (cxx_target_objs): Substitute in the makefile.
2471 * configure: Regenerate.
2473 * Makefile.in (C_TARGET_OBJS): Define and initialise from
2475 (CXX_TARGET_OBJS): Define and initialise from
2477 (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
2479 * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
2481 * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
2482 about how the use of the 'c_lex' function requires the use of
2483 the target specific, language specific object files feature of
2484 the configuration mechanism.
2486 Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2488 * gcc.c (process_command): Use F_OK, not R_OK.
2490 2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
2492 * flow.c (print_rtl_and_abort): Remove ANSIism.
2494 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
2496 * config/sh/sh.h (GENERAL_REGISTER_P,
2497 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
2498 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
2500 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
2501 * config/sh/sh.c: Use new macros.
2502 * config/sh/sh.md: Likewise.
2504 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
2506 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
2507 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
2510 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
2512 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
2514 (machine_dependent_reorg): Wrong optimization based on
2515 NOTICE_UPDATE_CC removed.
2517 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
2519 * jump.c (delete_computation): Re-instate deletion of feeding insn.
2520 (delete_insn): Look for REG_LABEL notes.
2521 (redirect_tablejump): Delete feeding insns.
2523 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
2525 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
2526 call_value_pop_1): Make sure operand numbers are contiguous.
2528 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
2530 * reload1.c (conflicts_with_override): New function.
2531 (emit_input_reload_insns): Use it to tighten test for validity
2532 of substituting into output of previous insn.
2534 * haifa-sched.c (struct ready_list): New.
2535 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
2537 (schedule_insn): Replace args READY and N_READY with a pointer to a
2538 ready_list; return void. Use the new functions to access the ready
2539 list. All callers changed.
2540 (queue_to_ready, debug_ready_list): Likewise.
2541 (schedule_block): Initialize a ready_list structure. Use new
2542 functions to access it.
2543 (max_priority): Remove unused variable.
2544 (schedule_insn): Don't set it.
2546 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
2548 * combine.c (cant_combine_insn_p): New function.
2549 (try_combine): Use it.
2551 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
2552 * c-common.c (c-obstack.c): Include "obstack.h".
2553 (struct reverse_tree): Delete.
2554 (reverse_list, reverse_max_depth): Delete.
2555 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
2556 (struct tlist, struct tlist_cache): New.
2557 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
2558 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
2559 warn_for_collisions, warn_for_collisions_1, new_tlist): New
2561 (verify_sequence_points): Rewritten.
2562 * fold-const.c (fold): Don't lose possibly important sequence
2563 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
2565 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
2567 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
2568 when reversing a register-to-register copy. Reversal now disabled
2569 when the previous instruction has a REG_EQUIV.
2571 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
2573 * c-parse.in (unary_expr): Move VA_ARG from here ...
2574 (primary): ... to here.
2576 2000-11-23 Graham Stott <grahams@redhat.com>
2578 * expr.c (store_constructor): If a field is non addressable and
2579 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
2581 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
2583 * flow.c (print_rtl_and_abort): New function.
2584 (verify_wide_reg, verify_local_live_at_start): Try to dump more
2585 information before aborting.
2587 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
2589 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
2590 is narrower than requested mode.
2591 (gen_highpart): Abort if register mode is narrower than
2594 2000-11-23 Graham Stott <grahams@redhat.com>
2596 * cse.c (cse_insn): Initialise all regcost variables.
2597 Fix a typo add missing '='.
2598 Only compare costs if there is a replacement insn.
2600 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
2602 * final.c (output_addr_const) [LABEL_REF]: Simplify.
2603 [MINUS]: Enclose non-CONST_INTs in parentheses.
2604 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
2605 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
2606 * varasm.c (decode_rtx_const) [CONST]: If it's not something
2607 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
2608 instead of abort()ing.
2609 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
2610 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
2611 formerly handled in output_pic_addr_const.
2612 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
2613 operands of MINUS in CONSTs so that decode_rtx_const() will
2616 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
2618 * config/sh/sh.md (mova_const): New pattern.
2619 (GOTaddr2picreg): Use it.
2620 * config/sh/sh.c (broken_move): Match it.
2621 (mova_p): Don't match it.
2622 (machine_dependent_reorg): Adjust it.
2624 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
2626 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
2627 Moved most register-number #defines...
2628 * config/sh/sh.md (define_constants): ... here. Use macros to
2629 refer to registers and unspecs.
2630 * config/sh/sh.c: Likewise.
2632 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
2634 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
2635 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
2636 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
2637 (splay-tree.o, hash.o): Likewise.
2639 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
2640 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
2641 (hashtab.o): Likewise.
2642 (gcov.o): Depend on $(CONFIG_H).
2643 * configure.in: #include insn-codes.h in tm.h.
2645 2000-11-22 Nick Clifton <nickc@redhat.com>
2647 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
2648 const char * to avoid a compile time warning.
2650 * config/arm/arm.md (define_constants): Define symbolic names for
2651 the link register, last integer register and the fake CC register.
2652 Update patterns to use these symbolic names.
2654 2000-11-22 Neil Booth <neilb@earthling.net>
2656 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
2657 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
2659 2000-11-22 Richard Henderson <rth@redhat.com>
2661 * haifa-sched.c (sched_analyze_1): Don't special-case calls
2662 for clobbering registers.
2663 (sched_analyze_2): Likewise.
2664 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
2666 2000-11-22 Chris Demetriou <cgd@sibyte.com>
2667 Neil Booth <neilb@earthling.net>
2669 * gcc.c (validate_switches): Validate multiple switches named
2670 in '|' (or) expressions in specs.
2671 (handle_braces): If more than 1 alternative in a '|' spec
2672 matches, call do_spec1 just once.
2674 2000-11-22 Michael Meissner <meissner@redhat.com>
2676 * d30v.h (TARGET_SWITCHES): Add documentation strings.
2677 (TARGET_OPTIONS): Ditto.
2678 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
2681 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
2683 * pa.c (hppa_encode_label): Account for addition of encoding
2684 character when allocating persistent space for the new label
2687 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
2689 * Makefile.in, config.gcc, configure.in: Expunge remaining
2690 traces of facility for running MD files through C preprocessor.
2692 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
2694 * gcov.texi: Add magic comments for texi2pod.pl.
2695 * Makefile.in: Add rules to generate and install gcov.1.
2696 * gcov.1: New (generated) file.
2698 2000-11-21 Richard Henderson <rth@redhat.com>
2700 * regrename.c (scan_rtx_reg): Terminate the chain rather than
2701 abort on mark_read with NO_REGS.
2703 2000-11-21 Mike Stump <mrs@wrs.com>
2705 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
2706 compilation with older compilers, such as /bin/cc on SunOS.
2707 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
2709 2000-11-21 Richard Henderson <rth@redhat.com>
2711 * varasm.c (record_constant): Pad the constructed
2712 constant_descriptor appropriately.
2714 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
2716 * rtl.h (traverse_md_constants): Declare.
2717 (struct md_constant): Define.
2718 * Makefile.in (HOST_RTL): Add hashtab.o .
2719 (OBJS): Add hashtab.o .
2720 (hashtab.o): New rule.
2721 (rtl.o): Depends on HASHTAB_H.
2722 * rtl.c (hashtab.h): #include.
2723 (md_constants): New static variable.
2724 (def_hash, def_name_eq_p, read_constants): New static functions.
2725 (traverse_md_constants): New function.
2726 (read_name): Do constant expansion.
2727 (read_rtx): Recognize define_constants.
2728 * gencodes.c (print_md_constant): New function.
2729 (main): Emit #defines for all constant definitions encountered.
2730 * md.texi (Constant Definitions): New node.
2731 * gensupport.c (xcalloc): New function.
2733 2000-11-21 Richard Henderson <rth@redhat.com>
2735 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
2736 * config/alpha/alpha-protos.h: Declare it.
2737 * config/alpha/alpha.md (abstf_internal): Use it.
2738 (negtf_internal): Likewise.
2739 (andnotdi3): Unstar the name.
2740 (movtf_internal): Add o/G alternative.
2742 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
2744 * stringpool.c (stringpool_statistics): Also report number and
2745 percentage of entries which are identifiers.
2747 2000-11-21 Diego Novillo <dnovillo@redhat.com>
2749 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
2750 visited before visiting it.
2752 2000-11-21 Nick Clifton <nickc@redhat.com>
2754 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
2755 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
2757 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
2759 2000-11-21 Richard Henderson <rth@redhat.com>
2761 * c-common.c (c_unsafe_for_reeval): New function.
2762 (add_c_tree_codes): Register it.
2763 * c-common.h: Declare it.
2764 * tree.c (lang_unsafe_for_reeval): New hook.
2765 (unsafe_for_reeval): Call it.
2766 * tree.h: Declare it.
2768 2000-11-21 Richard Henderson <rth@redhat.com>
2770 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
2773 2000-11-21 Neil Booth <neilb@earthling.net>
2775 * do_includes: Revert to using cpp_read_file.
2777 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
2779 * loop.c (consec_sets_giv): If the reg we're examining is anything
2780 but UNKNOWN_INDUCT, do nothing.
2781 Reset the reg's type to UNKNOWN_INDUCT before returning.
2783 Mostly from Vladimir Makarov (vmakarov@redhat.com)
2784 * ia64.md (attr itanium_class): Define insn types as described in
2786 (all insn patterns): Use itanium_class, not type attributes.
2787 Occasionally split alternatives as necessary.
2788 (attr type): Compute from new attr itanium_class.
2790 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2792 * tradcpp.c (output_line_command): Mark system headers as such in
2795 2000-11-21 Jakub Jelinek <jakub@redhat.com>
2797 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
2798 support in as as well.
2799 * configure: Regenerate.
2801 2000-11-20 Richard Henderson <rth@redhat.com>
2803 * c-lex.c (orig_filename): New variable.
2804 (init_c_lex): Set it. Move call to cpp_start_read ...
2805 (yyparse): ... here. New function.
2806 * c-parse.in (yyparse_1): Rename the parser entry point.
2807 * c-tree.h: Declare it.
2809 2000-11-21 Jakub Jelinek <jakub@redhat.com>
2811 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
2812 integer constant, use type of op1 for comparison.
2814 2000-11-20 Stan Shebs <shebs@apple.com>
2816 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
2817 * config/rs6000/x-darwin: New file, Darwin host fragment.
2818 * config.gcc (powerpc-*-darwin*): New host.
2819 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
2820 overridden by a config file.
2822 2000-11-20 Neil Booth <neilb@earthling.net>
2824 * cppmacro.c (paste_tokens): Rename from paste_payloads.
2825 Change token type after pasting spellings.
2826 (paste_all_tokens): Use it.
2827 * gcc.dg/cpp/paste2.c: Update test.
2828 * objc/execute/paste.m: New test.
2830 2000-11-20 Richard Henderson <rth@redhat.com>
2832 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
2833 dwarf_subscr_data_formats bits.
2834 * dwarfout.c (simple_type_size_in_bits): Handle a type with
2835 no computed size as size zero.
2836 (field_byte_offset): Likewise.
2837 (subscript_data_attribute): Handle a range with no upper bound.
2839 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2841 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
2843 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
2845 * c-typeck.c (build_conditional_expr): When merging type
2846 qualifiers for conditional expressions between a pointer and a
2847 pointer to a void type, merge the qualifiers on the target types
2848 rather than the pointer type. Remove obsolete conditioned out
2851 2000-11-20 Neil Booth <neilb@earthling.net>
2853 * c-lang.c (lang_init_options): Update call to
2855 * cppmain.c (main): Similarly.
2856 * fix-header.c (read_scan_file): Similarly.
2857 * cp/lex.c (lang_init_options): Similarly.
2858 * objc/objc-act.c (lang_init_options): Similarly.
2859 * cppexp.c (parse_number): Only warn for unextended C89.
2860 * cppinit.c (set_lang): New function.
2861 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
2862 (COMMAND_LINE_OPTIONS): New option std=c++98.
2863 (cpp_handle_option): Use set_lang.
2864 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
2865 * cppib.h (enum_c_lang): New enumeration. Update comments.
2867 2000-11-20 Will Cohen <wcohen@redhat.com>
2869 * calls.c (expand_call): Clear target only when target is in
2870 hard register and current_function_check_memory_usage is set.
2872 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
2874 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
2876 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
2878 2000-11-19 Richard Henderson <rth@redhat.com>
2880 * crtstuff.c (force_to_data): Use array size 1 not 0.
2882 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
2883 no computed size as size zero.
2884 (field_byte_offset): Likewise.
2886 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
2888 * config.gcc: Fix another typo.
2890 2000-11-19 Richard Henderson <rth@redhat.com>
2892 * c-decl.c (grokdeclarator): Support flexible array members.
2893 Use open-ended ranges for these and zero-length arrays.
2894 * c-typeck.c (push_init_level): Validate the context of
2895 initialization of a zero-length array.
2896 * tree.c (int_fits_type_p): Be prepared for missing bounds.
2897 * varasm.c (array_size_for_constructor): New.
2898 (output_constructor): Use it for arrays of unspecified length.
2899 * extend.texi (Zero Length): Mention C99 flexible array members.
2900 Document initialization in a top-level struct as valid.
2902 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
2904 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
2906 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
2907 stdarg and varargs functions.
2909 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
2911 * gcc.c (process_command): Define 'j' variable when
2912 MODIFY_TARGET_NAME is defined.
2914 2000-11-19 Richard Henderson <rth@redhat.com>
2916 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
2918 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2920 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
2921 calculation and allocation.
2923 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2925 * builtins.c (c_getstr): Constify variable.
2926 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
2927 * conflict.c (const_conflict_graph_arc): New typedef.
2928 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
2929 * cppmacro.c (builtin_macro): Likewise.
2930 * dwarf2out.c (output_comp_unit): Constify variable.
2931 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
2932 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
2933 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
2935 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
2936 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
2937 * varasm.c (const_str_htab_hash, const_str_htab_eq,
2938 compare_constant_1, record_constant_1): Constify.
2940 2000-11-18 Richard Henderson <rth@redhat.com>
2942 * c-decl.c (grokdeclarator): Special case the creation of an
2943 index for a zero-length array.
2944 * tree.c (build_index_type): Revert Oct 20 change.
2946 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
2948 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
2949 * config/avr/avr.c (jump_tables_size): New variable.
2950 (function_prologue): Initialize it as 0.
2951 (function_epilogue): Add it to function_size.
2952 (avr_output_addr_vec_elt): New function. Count words in jump
2953 tables in jump_tables_size. Move code ...
2954 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
2955 Call avr_output_addr_vec_elt instead.
2956 * config/avr/avr.md (tablejump): Remove disabled define_expand.
2958 2000-11-18 Mark Mitchell <mark@codesourcery.com>
2960 * configure.in: Make --enable-new-gxx-abi the default.
2961 * configure: Likewise.
2963 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2965 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
2967 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
2968 Move extern function declarations to tradcpp.h.
2970 * tradcpp.c: Likewise.
2972 * tradcpp.h: New file.
2974 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
2976 * c-decl.c (check_for_loop_decls): New function.
2977 * c-parse.in (for_init_stmt): New.
2978 (select_or_iter_stmt): Use for_init_stmt.
2979 * c-tree.h (check_for_loop_decls): New declaration.
2981 2000-11-18 Neil Booth <neilb@earthling.net>
2983 * cppinit.c: Update comments.
2984 (cpp_reader_init): Make -imacro and -include use the standard
2985 #include "" search path.
2986 (do_includes): New function.
2988 2000-11-18 Ben Elliston <bje@redhat.com>
2990 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
2991 out of a branch delay slot.
2993 2000-11-17 Richard Henderson <rth@redhat.com>
2995 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2996 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
2997 (ASM_FILE_START): Only write out ecoff .file directive if
2998 emitting mdebug debugging.
3000 2000-11-17 Richard Henderson <rth@redhat.com>
3002 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
3003 whether as accepts .file/.loc and produces dwarf2 line info.
3004 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
3005 the assembler supports it.
3006 * config.in, configure: Regenerate.
3008 2000-11-17 Richard Henderson <rth@redhat.com>
3010 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
3012 2000-11-17 Jim Wilson <wilson@redhat.com>
3014 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
3015 Don't clear need_barrier is next_insn is a CALL_INSN, or has
3016 instruction type B or UNKNOWN.
3018 2000-11-17 Neil Booth <neilb@earthling.net>
3020 * cpperror.c (print_file_and_line): Don't display line number if 0.
3022 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
3024 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
3025 digit_vector and digit_string.
3026 * stringpool.c (digit_vector): New.
3027 (ggc_alloc_string): Use digit_string.
3029 * stmt.c (digit_strings): Delete.
3030 (init_stmt): Do not initialize digit_strings.
3031 (expand_asm_operands): Use ggc.h's digit_string macro.
3032 * toplev.c (mark_file_stack): Delete.
3033 (compile_file): Don't call init_tree_codes.
3034 (main): No need to make the file stack a GC root.
3035 * tree.c (init_tree_codes): Delete.
3036 * tree.h (init_tree_codes): Delete.
3038 * c-lex.c: Don't include ggc.h.
3039 (mark_splay_tree_node, mark_splay_tree): Delete.
3040 (init_c_lex): No need to ggc_strdup string constant. Don't add
3041 file_info_tree to GGC roots.
3042 (cb_enter_file, cb_rename_file): No need to ggc_strdup
3045 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
3047 * dbxout.c (dbxout_init),
3048 dwarf2out.c (dwarf2out_line),
3049 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
3050 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
3051 xcoffout.c (xcoffout_source_file),
3052 i386.c (load_pic_register):
3053 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
3055 * except.c (create_rethrow_ref),
3056 profile.c (init_edge_profiler),
3057 toplev.c (compile_file),
3058 varasm.c (named_section, assemble_static_space,
3059 assemble_trampoline_template, output_constant_def, force_const_mem),
3060 i386.c (load_pic_register),
3061 ia64.c (ia64_encode_section_info),
3062 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
3063 rs6000_emit_prologue, rs6000_emit_epilogue),
3064 rs6000.md (load_toc_aix_si, load_toc_aix_di):
3065 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
3067 * profile.c (output_func_start_profiler),
3069 i386.c (load_pic_register): No need to ggc_strdup string constant.
3071 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
3073 * Makefile.in (config.status): Depend on config.gcc.
3074 * configure.in <for machine in $build $host $target>: Move
3075 contents of loop into config.gcc, removing autoconf quoting.
3076 Fix changequote bug for alpha*-*-vxworks*.
3077 * configure: Regenerate.
3080 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
3082 * c-parse.in (if_prefix): Find the filename and line number at
3083 $-2 and $-1 respectively.
3084 * diagnostic.c (error_recursion): Add missing newline, use
3085 fputs, translate string.
3087 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
3089 * stringpool.c: New file.
3090 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
3091 (ggc_alloc_string): Now in stringpool.o.
3092 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
3093 * ggc.h: Delete prototype of ggc_add_string_root. #define
3094 ggc_add_string_root and ggc_mark_string to nothing. Prototype
3095 init_stringpool and stringpool_statistics.
3096 (ggc_alloc_string): Returns a const char *.
3097 * tree.c (hash_table, do_identifier_warnings): Delete.
3098 (init_obstacks): Don't initialize the identifier hash table.
3099 (get_identifier, maybe_get_identifier, start_identifier_warnings,
3100 set_identifier_size): Now in stringpool.c.
3101 * tree.h (struct tree_string): Constify pointer field.
3102 (approx_sqrt): Prototype.
3104 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
3106 * toplev.c (approx_sqrt): New function.
3107 (compile_file): Call stringpool_statistics if mem_report is on.
3108 (main): Call init_stringpool.
3110 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
3111 (process_directive), c-typeck.c (constructor_asmspec, struct
3112 initializer_stack, start_init), except.c (create_rethrow_ref),
3113 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
3114 (built_in_filename), varasm,c (in_named_name,
3115 assemble_static_space, struct constant_descriptor, struct
3116 deferred_string, struct pool_constant, force_const_mem),
3117 i386.c (pic_label_name, global_offset_table_name), rs6000.c
3118 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
3120 * c-common.c (combine_strings): Combine strings in scratch
3121 buffer, then pass to build_string.
3122 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
3123 output_func_start_profiler), stmt.c (init_stmt), alpha.c
3124 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
3125 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
3126 rs6000.c (rs6000_encode_section_info): Create string in
3127 scratch buffer, then pass to ggc_alloc_string.
3129 * stmt.c (expand_asm_operands): If we must adjust the
3130 constraint strings, do so by creating a new one, not by
3131 modifying the old one in place. Constify some char *s.
3132 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
3133 argument. Create string in scratch buffer, then pass to
3135 * config/pa/pa-protos.h: Update prototype.
3136 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
3137 hppa_encode_label takes only one argument.
3139 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3141 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
3144 * cpplib.c (glue_header_name): Likewise.
3146 * fixincl.c (run_compiles, start_fixer): Likewise.
3148 * fixlib.c (load_file_data): Likewise.
3150 * mkdeps.c (munge): Likewise.
3152 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
3154 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
3155 trailing ';'. Fix formatting.
3157 2000-11-16 Jim Wilson <wilson@redhat.com>
3159 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
3160 Shift masks left by one to avoid conflict.
3162 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
3165 2000-11-16 Nick Clifton <nickc@redhat.com>
3167 * config/arm/arm.c (output_arm_prologue): Note nested functions.
3168 (arm_expand_prologue): For nested functions preserve the
3169 static chain register during stack frame creation.
3171 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
3172 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
3173 with a stack frame there is a 4 byte gap between the arg
3174 pointer and the hard frame pointer (used to preserve the
3175 static chain register during stack frame creation).
3177 2000-11-16 DJ Delorie <dj@redhat.com>
3179 * rtl.c (read_rtx): Provide suitable names for unnamed
3180 define_insn and define_insn_and_split patterns, based on file
3183 2000-11-15 Neil Booth <neilb@earthling.net>
3185 * cpplib.c (start_directive, end_directive): New functions.
3186 (_cpp_handle_directive, run_directive): Use them.
3187 (_cpp_handle_directive): Don't -Wtraditional on indented
3189 (_cpp_push_buffer): Don't re-clear was_skipping.
3190 * cpplib.h (struct cpp_reader): New member la_saved.
3191 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
3194 gcc.dg/cpp/_Pragma1.c: Update.
3195 gcc.dg/cpp/_Pragma2.c: New test.
3197 2000-11-15 Mark Mitchell <mark@codesourcery.com>
3199 * toplev.c (wrapup_global_declarations): Don't write out
3200 artificial static variables that aren't needed.
3202 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
3204 * ia64.c (struct group): New structure.
3205 (last_group): New static array.
3206 (group_idx): New static variable.
3207 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
3208 New static functions.
3209 (emit_insn_group_barriers): Initialize and keep track of group_idx
3211 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
3212 Replace all calls to emit_insn_after that emit a group barrier to use
3213 emit_group_barrier_after.
3214 * ia64.h (MASK_B_STEP): New.
3215 (other MASK_XXX macros): Renumbered.
3216 (TARGET_B_STEP): New.
3217 (TARGET_SWITCHES): Add -mb-step.
3219 2000-11-15 Fred Fish <fnf@be.com>
3221 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
3222 machines for which fixincludes is not needed.
3223 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
3225 2000-11-15 Jason Merrill <jason@redhat.com>
3227 * diagnostic.c (finish_abort): New fn.
3228 (fancy_abort, error_recursion): Use it.
3229 * toplev.c (crash_signal): Likewise.
3230 * diagnostic.h: Declare it.
3232 2000-11-13 Andrew Haley <aph@redhat.com>
3234 * tree.c (build_type_no_quals): New function.
3235 * tree.h (build_type_no_quals): Declare.
3236 * c-common.c (c_get_alias_set): When considering type
3237 compatibility for pointer types, ignore cv-qualifiers anywhere in
3240 2000-11-15 Graham Stott <grahams@redhat.com>
3242 * regrename.c (scan_rtx_rtx): Skip to the next chain on
3243 encountering a terminated chain.
3245 2000-11-14 Mark Mitchell <mark@codesourcery.com>
3247 * configure.in: Move check for V3 above check for C++ header-file
3249 * configure: Regenerated.
3251 2000-11-14 DJ Delorie <dj@redhat.com>
3253 * config/v850/v850.c: Remove obstacks.
3255 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
3257 * config/avr/avr.c (avr_case_values_threshold): New.
3258 (avr_override_options): Set it depending on options, make it large
3259 when not optimizing to work around "unable to generate reloads".
3261 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
3262 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
3263 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
3264 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
3265 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
3266 (avr_case_values_threshold): Declare as extern int.
3267 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
3269 * config/avr/avr.md (tablejump): Removed.
3270 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
3271 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
3272 index in the table, not multiplied by 2.
3273 (casesi): Change to match the above insns. Always enable.
3275 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
3276 Change to expect the word address of the table, multiply it by 2
3277 here and not in the caller. Change "adiw" to faster "inc".
3279 2000-11-14 Neil Booth <neilb@earthling.net>
3281 * cppexp.c (parse_defined): Call cpp_get_token not
3284 * cpplex.c (cpp_output_line): Similarly.
3285 * cpplib.c (glue_header_name, do_line, do_ident,
3286 parse_answer, parse_assertion): Similarly.
3287 (_cpp_handle_diretive): Don't save to lookaheads
3288 when processing directives.
3289 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
3291 (funlike_invocation_p): Don't save to lookaheads
3292 when pre-expanding arguments.
3293 (_cpp_get_token): Delete.
3294 (cpp_get_token): Merge contents of _cpp_get_token.
3296 2000-11-14 Jakub Jelinek <jakub@redhat.com>
3298 * builtins.c (expand_builtin_setjmp): Set
3299 current_function_calls_setjmp.
3300 (expand_builtin_longjmp): Set current_function_calls_longjmp.
3302 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
3303 (do_builtin_setjmp_setup): New insn.
3305 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3307 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
3308 (int_fits_type_p): For variable bounds, call force_fit_type.
3310 2000-11-14 Jakub Jelinek <jakub@redhat.com>
3312 * varasm.c (struct deferred_string): New structure.
3313 (const_str_htab): New variable.
3314 (STRHASH): New macro.
3315 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
3316 constr_str_htab_eq, const_str_htab_del): New functions.
3317 (output_constant_def): Add DEFER argument, defer string
3318 constants until mark_constant_pool time if requested.
3319 (mark_constant_pool): Walk the insn chain even if const_str_htab is
3321 (mark_constants): If a SYMBOL_REF for deferred string is found,
3322 output it and remove from hash table.
3323 (output_addressed_constants): Set DEFER to 0 in call to
3324 output_constant_def.
3325 * rtl.h (STRING_POOL_ADDRESS_P): Define.
3326 (output_constant_def): Adjust prototype.
3327 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
3329 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
3331 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
3332 signed types if flag_trapv.
3334 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
3336 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
3339 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
3341 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
3343 2000-11-14 Jakub Jelinek <jakub@redhat.com>
3345 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
3346 to array of pool_constnat pointers.
3347 (struct pool_constant): Add next_sym and label members.
3348 (struct pool_sym): Remove.
3349 (init_varasm_status): Change pool_sym into pool_constant.
3350 (mark_pool_constant): Mark pc->label string as well.
3351 (mark_pool_sym_hash_table): Remove.
3352 (mark_varasm_status): Remove it from caller as well.
3353 (free_varasm_status): Don't free pool_sym structures.
3354 (force_const_mem): Don't allocate pool_sym structure, instead
3355 fill pool->label and chain it into rtx_sym hash table.
3356 (find_pool_constant, mark_constant_pool): Use pool_constant instead
3359 2000-11-14 Jakub Jelinek <jakub@redhat.com>
3361 * reload1.c (emit_input_reload_insns): Honour forcing of constants
3362 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
3364 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
3366 * dominance.c: New file.
3367 * Makefile.in (OBJS): Add dominance.o.
3369 * flow.c (compute_flow_dominators): Remove.
3370 (compute_immediate_dominators): Remove.
3371 (compute_immediate_postdominators): Remove.
3372 * basic-block.h: Remove their prototypes.
3373 (calculate_dominance_info): Add prototype.
3375 * dce.c (eliminate_dead_code): Change calls to above functions.
3376 Don't compute dominators but only immediate dominators.
3377 * flow.c (flow_loops_find): Change callers.
3378 * gcse.c (compute_code_hoist_data): Likewise.
3379 * haifa-sched.c (schedule_insns): Likewise.
3380 * ifcvt.c (if_convert): Likewise.
3381 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
3384 2000-11-14 Richard Henderson <rth@redhat.com>
3386 * stmt.c (warn_if_unused_value): Don't warn if the expression
3389 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
3390 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
3392 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3394 * loop.c (basic_induction_var): Revert accidental checkin.
3396 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
3398 * c-lex.c (cb_leave_file): Harmonize conditions and order of
3399 statements to those of process_directive for (action == act_pop).
3401 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
3403 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
3406 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
3408 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
3411 2000-11-13 Neil Booth <neilb@earthling.net>
3413 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
3414 cases return without MI check.
3415 * cpplib.c (do_diagnostic): Take boolean of whether to
3416 print the directive name.
3417 (do_error, do_warning): Update.
3418 (do_pragma_dependency): Use it.
3419 * cpplib.h (VARARGS_FIRST): Delete.
3420 (struct cpp_token): Delete integer.
3421 * cppmacro.c (enter_macro_context): Move disabled check
3423 (_cpp_get_token): Simplify into a single loop.
3425 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
3427 * configure.in: Use 'test -f' not '[ -e'.
3428 * configure: Regenerated.
3430 2000-11-13 DJ Delorie <dj@redhat.com>
3432 * config/mn10300/mn10300.md (store_movm): Note which registers are
3433 really used or clobbered.
3435 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
3437 * c-parse.in (ends_in_label): Remove from %union and %type.
3438 (decls, stmts, lineno_stmt_or_labels, xstmts,
3439 lineno_stmt_or_label, stmt_or_label): Remove.
3440 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
3441 lineno_stmt_decl_or_labels_ending_decl,
3442 lineno_stmt_decl_or_labels_ending_label,
3443 lineno_stmt_decl_or_labels_ending_error,
3444 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
3445 lineno_stmt, lineno_label): New.
3446 (compstmt_nostart): Use compstmt_contents_nonempty.
3448 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
3450 * c-common.c (boolean_increment): New function.
3451 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
3452 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
3453 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
3454 (boolean_increment): Declare.
3455 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
3456 * c-decl.c (init_decl_processing): Create boolean nodes.
3457 (finish_struct): Allow for _Bool bitfields.
3458 * c-parse.in (reswords): Add _Bool.
3459 (rid_to_yy): Allow for RID_BOOL.
3460 * c-typeck.c (default_conversion): Make booleans promote to int.
3461 (convert_arguments, build_unary_op, build_modify_expr,
3462 convert_for_assignment): Allow for booleans.
3463 * ginclude/stdbool.h: Make conforming to C99.
3465 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
3467 * c-parse.in (c99_block_start, c99_block_end,
3468 c99_block_lineno_labeled_stmt): New.
3469 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
3470 (stmt): Split off selection and iteration statements into...
3471 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
3473 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
3475 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
3478 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
3480 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
3481 Rewrite to avoid use of match_dup. Don't try to tie registers that
3482 are not in the same mode.
3484 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
3486 * invoke.texi: Update lists of languages and suffixes supported.
3488 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
3490 * configure.in: Take toplevel configure arguments from the
3491 environment to create configargs.h and substitute
3492 gcc_config_arguments, taking account of any existing configargs.h
3494 * configure: Regenerate.
3495 * gccbug.in: Include toplevel configure arguments in gccbug.
3497 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
3499 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
3500 union to make it well-aligned. Update all uses.
3502 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
3504 * c-parse.in (initelt): Give appropriate pedantic warnings,
3505 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
3507 (designator): If pedantic, pedwarn for a designator specifying a
3509 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
3511 * extend.texi: Document the C99 syntax as the preferred syntax,
3512 and the pre-2.5 syntax as obsolete. Mention use of designator
3513 lists for nested subobjects.
3515 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
3517 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
3518 Add ATTRIBUTE_PRINTF.
3519 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
3520 Add ATTRIBUTE_PRINTF*.
3522 2000-11-12 Mark Mitchell <mark@codesourcery.com>
3524 * function.c (assign_parms): When calling put_var_into_stack, make
3525 sure that there are no hidden pending sequences.
3527 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3529 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
3530 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
3533 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
3535 * c-common.c (c_common_nodes_and_builtins): Declare index and
3536 rindex when nonansi builtins are allowed.
3538 * extend.texi (index, rindex): Document new builtins.
3540 2000-11-12 Mark Mitchell <mark@codesourcery.com>
3542 * configure.in: Turn on libstdc++ V3 by default.
3543 * configure: Regenerated.
3545 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
3547 2000-11-12 Jakub Jelinek <jakub@redhat.com>
3549 * reload1.c (set_label_offsets): Go inside of PARALLELs.
3551 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
3553 * invoke.texi: Clean up option summary.
3555 2000-11-12 Nick Clifton <nickc@redhat.com>
3557 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
3558 of #include headers.
3560 2000-11-12 Marc Espie <espie@openbsd.org>
3562 * configure.in: Fix filds test.
3565 2000-11-12 Mark Mitchell <mark@codesourcery.com>
3567 * jump.c (delete_computation): Don't assume that just becuase an
3568 instruction sets a register, that register is dead.
3570 2000-11-12 Neil Booth <neilb@earthling.net>
3572 * cppexp.c: Don't worry about pfile->skipping.
3573 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
3574 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
3575 for handled directives.
3576 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
3577 and releasing lookaheads.
3578 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
3579 (do_else, do_elif, push_conditional): Update logic.
3580 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
3581 (unwind_if_stack): Inline into cpp_pop_buffer.
3582 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
3583 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
3584 multiple-include optimisation.
3585 * cpplib.h (struct cpp_buffer): New member was_skipping.
3586 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
3587 works because skipping == 0 in directives.
3588 (_cpp_release_lookahead): Renamed from release_lookahead.
3589 (cpp_get_token): No need to check skipping as _cpp_get_token does
3590 this for us. No need to handle MI optimisation.
3592 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
3594 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
3595 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
3596 * fixinc/fixincl.x: Regenerated.
3598 2000-11-11 Bruce Korb <bkorb@gnu.org>
3600 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
3601 (avoid_wchar_t_type): ditto
3602 * fixinc/fixinc.irix: obsoleted
3604 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
3606 * configure.in: Don't add $outputs to all_lang_makefiles. Add
3607 $srcdir/$s/Makefile.in if it exists.
3608 * configure: Regenerate.
3610 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
3612 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
3614 2000-11-11 Jason Merrill <jason@redhat.com>
3616 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
3617 give the parm a register and then call put_var_into_stack.
3618 * stmt.c (expand_decl): Likewise.
3620 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
3622 * gcc.texi: Adjust wording.
3624 2000-11-11 Mark Mitchell <mark@codesourcery.com>
3626 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
3627 * fininc/fixincl.x: Regenerated.
3629 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
3631 * invoke.texi: Correct spelling of -foptimize-register-move.
3633 2000-11-11 Neil Booth <neilb@earthling.net>
3635 Remove CPP_PLACEMARKERs.
3637 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
3638 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
3639 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
3641 * cpplib.h: Remove CPP_PLACEMARKER.
3642 (struct lexer_state): Rename skip_newlines to next_bol.
3643 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
3644 Simplify prev_white handling as a result.
3645 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
3646 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
3647 (parse_args): Similarly. Update argument count tests.
3648 (enter_macro_context): Return 2 to indicate an empty macro.
3649 (replace_args): Don't bother pre-expanding an empty argument.
3650 Handle placemarkers and ## extension during pre-expansion.
3651 (cpp_get_token): Handle empty macro expansions. Don't worry
3652 about CPP_PLACEMARKERs.
3653 (_cpp_create_definition): Empty macros are now empty.
3654 (cpp_macro_defintion): Don't special case empty macros.
3655 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
3656 * c-lex.c: Similarly.
3658 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
3660 * gcc.texi, invoke.texi: Add new section discussing language
3661 standards; link to it where appropriate; refer to ISO C instead of
3664 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
3666 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
3669 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
3672 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
3674 * gcc.texi, gcov.texi: Update dates and version numbers.
3676 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
3678 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
3679 flex and bison, specifically, first in a unified build and
3680 then installed on the system.
3681 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
3682 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
3685 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
3686 cppdefault.o): Remove pointless sed munging of source file
3689 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
3691 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
3692 for address reloads. Push replacements for REG_INC notes.
3693 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
3695 * reload1.c (choose_reload_regs): Registers set in the insn can't be
3696 used for RELOAD_OTHER reloads.
3698 2000-11-10 Mark Mitchell <mark@codesourcery.com>
3700 * c-dump.h: New file.
3702 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3704 * alpha.c (check_float_value): Use memcpy, not bcopy.
3705 * arm.c (output_move_double): Likewise.
3707 * m88k.c (legitimize_operand): Likewise.
3708 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
3709 * m88k.md: Likewise.
3710 * mips.c (override_options): Likewise.
3711 * mips.md: Likewise.
3712 * romp.c (output_fpops): Likewise.
3713 * rs6000.c (rs6000_override_options): Likewise.
3715 * vax.c (check_float_value): Likewise.
3717 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
3718 * expmed.c (synth_mult): Likewise.
3719 * final.c (add_bb_string): Likewise.
3720 * genattr.c (main): Likewise.
3721 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
3723 * jump.c (thread_jumps): Likewise.
3724 * prefix.c (save_string): Likewise.
3725 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
3726 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
3727 * reload1.c (reload, eliminate_regs): Likewise.
3729 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
3731 * gcc.texi (Service): Update to reflect current practice and
3732 location of the GNU service directory.
3734 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
3736 * regrename.c (build_def_use): Mark contents of REG_INC notes as
3737 needing replacement.
3739 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
3740 a no-op move if regs are equal.
3741 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
3742 when calling jump after post-reload splitting.
3744 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
3746 * c-tree.texi: Fix typos.
3747 * extend.texi: Likewise
3748 * gcov.texi: Likewise
3749 * rtl.texi: Likewise
3752 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
3754 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
3755 in_system_header and flags[1] before dereferencing flags[2].
3757 2000-11-09 Matthew Hiller <hiller@redhat.com>
3759 * reload1.c (reload_combine): Fixed calculation of
3760 first_index_reg, last_index_reg.
3762 2000-11-09 Mark Mitchell <mark@codesourcery.com>
3764 * c-dump.c (dequeue_and_dump): Dump function bodies.
3766 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
3767 (c-dump.o): New target.
3768 * c-common.h (flag_dump_translation_unit): New variable.
3769 (C_TYPE_QUALS): New macro.
3770 (strip_array_types): New function.
3771 (DECL_C_BIT_FIELD): New macro.
3772 (SET_DECL_C_BIT_FIELD): Likewise.
3773 (CLEAR_DECL_C_BIT_FIELD): Likewise.
3774 (dump_info_p): New typedef.
3775 (dump_tree_fn): Likewise.
3776 (lang_dump_tree): New variable.
3777 (dump_node_to_file): New function.
3778 * c-common.c (flag_dump_translation_unit): Define it.
3779 (strip_array_types): New function.
3780 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
3781 * c-lang.c (finish_file): Call dump_node_to_file if
3782 flag_dump_translation_unit.
3783 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
3784 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
3785 * c-dump.c: New file.
3787 2000-11-09 Christopher Faylor <cgf@cygnus.com>
3789 * config/i386/cygwin.h: Add mingw startfile prefix.
3791 2000-11-09 Richard Henderson <rth@redhat.com>
3793 * flow.c (invalidate_mems_from_set): Split out from ...
3794 (mark_set_1): ... here.
3795 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
3796 instead of turning insn into a NOTE_INSN_DELETED.
3798 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
3800 * extend.texi, invoke.texi: Move documentation of builtin versions
3801 of C library functions to one place and update.
3803 2000-11-09 Richard Henderson <rth@redhat.com>
3805 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
3806 the types themselves to discover type equivalence.
3808 2000-11-09 Mike Stump <mrs@wrs.com>
3810 * Makefile.in (distclean): Remove a few extra leftovers.
3812 2000-11-09 Richard Henderson <rth@redhat.com>
3814 * recog.c (validate_replace_rtx_1): Consider subregs when
3815 replacing a register with a constant inside a sign/zero_extend.
3817 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3819 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
3821 * c-decl.c (finish_struct): When a structure is completed,
3822 check all its variant types for completeness.
3824 2000-11-09 Neil Booth <neilb@earthling.net>
3826 * cpphash.c: Move cpp_defined here from cpplib.c.
3827 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
3828 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
3829 * cppmacro.c (cpp_get_token): Update comments, no need now
3830 to catch the CPP_EOF meaning EOL case.
3832 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
3834 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
3835 is more than that provided, copy to a temporary.
3837 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
3839 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
3840 interpreting $out as a macro assignment.
3841 * Makefile.in (T_TARGET): New auxiliary macro and target.
3842 (all): Add a target right in the beginning, so that we don't build
3843 T_TARGET by default.
3845 2000-11-09 Graham Stott <grahams@redhat.com>
3847 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
3848 order for -mintel-syntax. Remove comment now that the operand
3849 order has been checked.
3850 (mmx_pextrw): Likewise.
3851 (mmx_pshufw): Likewise.
3853 2000-11-09 Jakub Jelinek <jakub@redhat.com>
3855 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
3856 (c_getstr): New function.
3857 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
3858 If both arguments are constant string, optimize out.
3859 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
3860 (expand_builtin_strpbrk): Use c_getstr, do nothing if
3861 -fcheck-memory-usage.
3862 (expand_builtin_fputs): Likewise.
3863 (expand_builtin_strcmp): Add MODE argument.
3864 Use even if !HAVE_cmpstrsi.
3865 Optimize the case when both arguments are constant strings.
3866 (expand_builtin): Adjust expand_builtin_strcmp caller.
3867 Call expand_builtin_strchr and expand_builtin_strrchr.
3868 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
3870 * builtins.def (BUILT_IN_STRRCHR): Add.
3872 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3874 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
3876 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
3878 * calls.c (expand_call, emit_library_call_value_1), collect2.c
3879 (scan_prog_file), config/a29k/a29k.c (print_operand),
3880 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
3881 instead of bcopy ().
3882 * real.h: Use memcmp () instead of bcmp ().
3883 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
3884 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
3885 ultrasparc_sched_init, ultrasparc_sched_reorder),
3886 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
3887 instead of bzero ().
3888 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
3889 instead of rindex ().
3890 * configure.in: Don't check for bzero, bcmp, index or rindex.
3891 * configure, config.in: Regenerate.
3892 * system.h: Don't include declarations for bzero, bcmp, index or
3894 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
3895 bzero, bcmp, index or rindex.
3897 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
3899 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
3900 include and library paths from -mcygwin case. Parameterize some
3901 declarations to avoid warnings. Use standard locations for include and
3904 2000-11-08 Nick Clifton <nickc@redhat.com>
3906 * config/arm/arm.md (mulsidi3adddi): Change output operand
3907 constraint from "=&" to "+&".
3908 (umulsidi3adddi): Change output operand constraint from "=&" to
3911 2000-11-08 Richard Henderson <rth@redhat.com>
3913 * flow.c (init_propagate_block_info): Protect the rtx stored in
3914 mem_set_list from modification by find_auto_inc.
3915 (mark_set_1): Likewise.
3917 2000-11-08 Neil Booth <neilb@earthling.net>
3919 Move directive handling into the lexer itself.
3921 * cpplex.c (_cpp_lex_token): Handle directives directly.
3922 In the case of a directive interrupting a function-like
3923 macro invocation, use extra_char since read_ahead is
3924 used to store the '#'. Return a CPP_EOF in this case.
3925 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
3926 (cpp_get_token): Don't handle directives here.
3927 * cpplib.h: Remove CPP_DHASH token type.
3929 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
3931 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
3932 formed using PRE_MODIFY too.
3934 2000-11-08 Mark Mitchell <mark@codesourcery.com>
3936 * c-tree.texi (VAR_DECL): Describe representation of GCC's
3937 extension for placing variables in particular registers.
3939 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
3940 unprototyped C functions with no parameters.
3942 2000-11-08 Jakub Jelinek <jakub@redhat.com>
3944 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
3945 before passing to fprintf.
3947 2000-11-08 Jakub Jelinek <jakub@redhat.com>
3949 * function.c (expand_function_start): Cast GET_MODE_SIZE to
3950 HOST_WIDE_INT before negating it.
3952 2000-11-08 Jakub Jelinek <jakub@redhat.com>
3954 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
3955 passed in multiple non-contiguous locations.
3957 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3959 * README.gnat: Remove file.
3961 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
3963 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
3966 2000-11-07 Richard Henderson <rth@redhat.com>
3968 * dwarfout.c (INSN_LABEL_FMT): Remove.
3969 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
3970 (dwarfout_label): Remove.
3971 * dwarfout.h: Remove it's prototype.
3972 * dwarf2out.c (INSN_LABEL_FMT): Remove.
3973 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
3974 (dwarf2out_label): Remove.
3975 * dwarf2out.h: Remove it's prototype.
3976 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
3978 2000-11-07 Richard Henderson <rth@redhat.com>
3980 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
3981 search on the unwind region section.
3983 * config/ia64/ia64.md (movbi): Add r/r alternative.
3984 (cmovdi_internal_astep): Describe all combinations of register
3985 classes for sources & destinations; remove matching constraints.
3986 (cmovdi_internal): Likewise.
3988 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
3990 2000-11-07 Richard Henderson <rth@redhat.com>
3992 * c-lang.c (start_cdtor, finish_cdtor): New functions.
3993 (finish_file): Use them in building constructor/destructor functions.
3995 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
3996 LD_FINI_SWITCH): Move ...
3997 * config/alpha/osf.h: ... here.
3998 * config/alpha/alpha-interix.h: Don't undef them.
4000 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
4002 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
4003 included in libgcc.a.
4005 (dp-bit.c): Likewise.
4006 (fp-bit.c): Likewise.
4008 2000-11-07 Nick Clifton <nickc@redhat.com>
4010 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
4011 (INTERNAL_ASM_OP): Add missing tab.
4013 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
4015 * alias.c (init_alias_analysis), calls.c (expand_call,
4016 emit_library_call_value_1), combine.c (init_reg_last_arrays),
4017 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
4018 (init_output_buffer, set_diagnostic_context), dwarf2out.c
4019 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
4020 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
4021 function.c (assign_parms), gcse.c (compute_can_copy,
4022 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
4023 compute_hash_table, compute_set_hash_table,
4024 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
4025 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
4026 clear_units, schedule_block), integrate.c (initialize_for_inline,
4027 expand_inline_function), jump.c (thread_jumps), local-alloc.c
4028 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
4029 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
4030 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
4031 record_reg_classes, allocate_reg_info), reload.c
4032 (get_secondary_mem, remove_address_replacements, find_reloads),
4033 reload1.c (reload, set_initial_label_offsets, finish_spills,
4034 reload_as_needed, choose_reload_regs_init,
4035 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
4036 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
4037 (rename_registers), stmt.c (expand_end_case), unroll.c
4038 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
4039 () instead of bzero ().
4041 2000-11-07 Neil Booth <neilb@earthling.net>
4043 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
4045 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4047 * c-common.c (combine_strings): Only warn about long strings for C.
4049 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
4051 * combine.c (distribute_notes): Fix typo in last change.
4053 2000-11-07 Geoff Keating <geoffk@redhat.com>
4055 * config/rs6000/rs6000.md (movdi_internal32+1): Use
4056 operand_subreg_force rather than gen_rtx_SUBREG.
4057 (movdi_internal32+2): Likewise.
4059 2000-11-07 Philip Blundell <philb@gnu.org>
4061 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
4062 * config/arm/linux-aout.h: Likewise.
4063 * configure: Regenerate.
4065 2000-11-07 Philipp Thomas <pthomas@suse.de>
4067 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
4068 accepted my the gettext maintainer.
4070 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4072 * builtins.c (expand_builtin_strpbrk): New function.
4073 (expand_builtin): Handle BUILT_IN_STRPBRK.
4075 * builtins.def (BUILT_IN_STRPBRK): New entry.
4077 * c-common.c (c_common_nodes_and_builtins): Declare builtin
4080 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
4082 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
4083 * POTFILES.in: Add config/alpha/freebsd.h
4084 * configure.in: Add alpha*-freebsd support.
4085 * configure: Regenerate.
4087 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
4089 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
4090 copy of ptr_type_node rather than ptr_type_node itself.
4092 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
4094 * combine.c (recog_for_combine): Allocate uninitialized vector with
4096 * recog.c (apply_change_group): Likewise.
4098 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
4100 * flow.c (verify_local_live_at_start): Back out last change.
4101 * combine.c (distribute_notes): When parts of a hard reg are
4102 neither set nor referenced in PLACE, search backwards for a
4103 place to put a REG_UNUSED note; if none found, ask for flow
4106 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
4108 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
4109 with (clobber (match_scratch...)).
4111 2000-11-06 Neil Booth <neilb@earthling.net>
4113 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
4116 2000-11-06 Neil Booth <neilb@earthling.net>
4118 * tradcpp.c (special_symbol): Assign an null string rather
4119 than writing to an unallocated buffer.
4121 2000-11-06 Neil Booth <neilb@earthling.net>
4123 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
4126 2000-11-06 Neil Booth <neilb@earthling.net>
4128 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
4129 tok.val.arg_no as appropriate.
4130 * cppexp.c (lex): Similarly.
4131 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
4132 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
4133 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
4134 cpp_macro_definition): Similarly.
4135 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
4137 2000-11-06 Jakub Jelinek <jakub@redhat.com>
4139 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
4140 operands[1] is constant, calculate the sum and generate movdi.
4141 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
4142 (subsi3): Use SImode in call to arith_4096_operand.
4144 2000-11-06 Jakub Jelinek <jakub@redhat.com>
4146 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
4147 adjust %o1, not %o0 if the return type is large structure.
4149 2000-11-06 Jakub Jelinek <jakub@redhat.com>
4151 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
4152 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
4154 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
4156 * expmed.c (expand_divmod): For signed divide by 2, prefer
4157 a branch and fewer shifts if branches are very cheap.
4159 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
4161 * Makefile.in: Remove all targets related to building
4162 distributions and diffs, or INSTALL.
4163 * INSTALL, install1.texi: Remove.
4164 * configure.in: Remove mention of distdir.
4165 * configure: Regenerate.
4166 * objc/Make-lang.in: Remove mention of distdir.
4168 2000-11-04 Neil Booth <neilb@earthling.net>
4170 * cpp.texi: Update for _Pragma.
4172 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
4174 * gcc.texi (Contributing): Update URL for projects web page.
4176 2000-11-04 Neil Booth <neilb@earthling.net>
4178 * cpplex.c (parse_string): Don't allow multiline strings in
4179 #include family directives.
4181 2000-11-04 Neil Booth <neilb@earthling.net>
4183 * cpplib.c (do_line): Only warn pedantically if not reading
4186 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
4188 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
4191 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
4193 * builtins.c (expand_builtin_strlen): Remove unused mode
4195 * gcc.c (process_command): Remove unused variable.
4196 * fold-const.c: Include expr.h.
4197 * recog.c: Include reload.h.
4198 * Makefile.in (recog.o, fold-const.o): Update deps.
4200 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
4202 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
4204 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
4206 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
4208 (STARTFILE_SPEC): Likewise.
4209 (LINK_SPEC): Likewise.
4211 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4213 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
4214 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
4215 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
4217 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
4219 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
4220 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
4221 perm_calloc, get_identifier, maybe_get_identifier,
4222 real_value_from_int_cst, simple_cst_equal), varasm.c
4223 (assemble_name, assemble_real, immed_real_const_1,
4224 compare_constant_1, decode_rtx_const, output_constant_pool): Use
4225 strrchr () instead of rindex (). Use memcmp () instead of bcmp
4226 (). Use memcpy () instead of bcopy (). Use memset () instead of
4229 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
4231 * cppfiles.c (open_file): If already read, then don't reopen.
4232 Immediately close an empty file.
4234 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
4236 * expr.h (fold_builtin): Move declaration...
4237 * tree.h (fold_builtin): ... here.
4239 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
4241 * flow.c (verify_local_live_at_start): Allow hard regs to die.
4243 2000-11-02 Neil Booth <neilb@earthling.net>
4246 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
4247 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
4248 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
4249 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
4250 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
4251 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
4252 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
4253 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
4254 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
4255 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
4256 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
4257 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
4258 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
4259 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
4260 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
4261 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
4262 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
4263 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
4264 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
4265 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
4266 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
4267 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
4268 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
4269 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
4270 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
4271 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
4272 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
4273 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
4274 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
4275 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
4276 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
4277 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
4278 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
4279 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
4280 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
4281 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
4282 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
4283 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
4284 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
4285 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
4286 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
4287 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
4288 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
4289 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
4290 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
4291 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
4292 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
4293 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
4294 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
4295 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
4296 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
4297 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
4298 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
4299 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
4300 vax/vaxv.h, vax/vms.h, we32k/we32k.h
4302 Replace -A() with -A=, the new assertion syntax.
4304 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
4306 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
4308 In REG_DEAD handling: When handling parts of multi-hard-reg hard
4309 registers, increment the loop counter by the size of the parts;
4310 use recursion to handle individual parts.
4312 2000-11-02 Neil Booth <neilb@earthling.net>
4314 * configure.in: Make integrated CPP the default.
4315 * configure: Regenerate.
4317 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
4319 * reload.c (find_equiv_reg): Test all hard registers for membership
4320 in the requested class.
4322 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
4324 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
4325 process_command, main), gcov.c (open_files, output_data), tlink.c
4326 (frob_extension, scan_linker_output), toplev.c
4327 (file_name_nondirectory): Use strchr () and strrchr () instead of
4328 index () and rindex ().
4330 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
4332 * c-common.c (get_flag_spec, check_format_info_main,
4333 check_format_types): Use strchr () instead of index (). Compare
4334 against error_mark_node instead of comparing the TREE_CODE against
4337 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
4341 * c-lex.c (init_c_lex): Update cpp_start_read call.
4342 (cb_ident): Update for new callback prototype.
4343 (cb_def_pragma): Update for new cpp_get_token prototype.
4344 (c_lex): Similarly. Use cpp_get_line.
4346 * c-parse.in (finish_parse): Update for new cpp_finish
4349 * cp/lex.c (finish_parse): Similarly.
4351 2000-11-01 Geoff Keating <geoffk@cygnus.com>
4353 * machmode.def: Add V16QImode.
4355 2000-11-01 Richard Henderson <rth@redhat.com>
4357 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
4358 from rtl_for_decl_location.
4359 (add_location_or_const_value_attribute): Likewise.
4361 2000-11-01 Neil Booth <neilb@earthling.net>
4363 * cpplib.c (run_directive): Use correct line number for output
4364 of _Pragma. Remember any in-progress directive.
4366 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
4368 2000-11-01 Richard Henderson <rth@redhat.com>
4370 * stmt.c (expand_start_null_loop): Set continue_label.
4372 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
4374 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
4375 (expand_builtin_constant_p): Move parts of the code into
4376 fold_builtin_constant_p.
4377 (expand_builtin_strlen): Move parts of the code into fold_builtin.
4378 * expr.h (fold_builtin): Declare.
4379 * fold-const.c (fold): Handle builtin calls.
4381 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
4383 2000-11-01 Richard Henderson <rth@redhat.com>
4385 * stmt.c (expand_start_null_loop): New.
4386 (expand_end_null_loop): New.
4387 * c-semantics.c (genrtl_do_stmt): Use them.
4388 * tree.h: Declare them.
4390 2000-11-01 Richard Henderson <rth@redhat.com>
4392 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
4394 2000-11-01 Neil Booth <neilb@earthling.net>
4396 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
4397 * cp/spew.c: Similarly.
4398 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
4399 * cppmacro.c (stringify_arg): Similarly.
4400 * cpplib.h (CPP_BACKSLASH): Delete.
4402 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4404 * builtins.c (expand_builtin_strstr): New function.
4405 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
4407 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
4409 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
4412 2000-10-31 Richard Henderson <rth@redhat.com>
4414 * config/i386/i386.c (fcmov_comparison_operator): Check for
4415 CCFPmode or CCFPUmode instead of CCmode.
4416 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
4417 unordered operations as well.
4419 2000-10-31 Richard Henderson <rth@redhat.com>
4421 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
4422 of integer_zero_node.
4424 2000-10-31 Richard Henderson <rth@redhat.com>
4426 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
4428 2000-10-31 Nick Clifton <nickc@redhat.com>
4430 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
4431 -fdata-sections to override the section attribute of a DECL.
4433 2000-10-31 Chris Demetriou <cgd@sibyte.com>
4435 * libgcc2.c (__shtab): Remove __shtab variable.
4436 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
4437 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
4440 2000-10-31 Jim Wilson <wilson@redhat.com>
4442 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
4443 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
4444 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
4445 instead of ASM_OUTPUT_INTERNAL_LABEL.
4446 (dwarf2out_end_block, dwarf2out_label): Likewise.
4447 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
4448 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
4450 2000-10-31 Richard Henderson <rth@redhat.com>
4452 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
4453 (size_of_locs): Set it.
4454 (output_loc_operands): Use it to compute branch displacement.
4455 (int_loc_descriptor): New.
4456 (mem_loc_descriptor): Dereference memory in the proper size.
4457 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
4458 (loc_descriptor_from_tree): New.
4459 (rtl_for_decl_location): Break out from ...
4460 (add_location_or_const_value_attribute): ... here.
4461 (add_bound_info): Use loc_descriptor_from_tree.
4463 2000-10-31 Neil Booth <neilb@earthling.net>
4465 * cpp.texi: Update for new command line assertion syntax.
4466 * cpplib.c (cpp_define): Simplify a bit.
4467 (cpp_assert, cpp_unassert): Use handle_assertion.
4468 (handle_assertion): New function; accept new command line
4470 * testsuite/gcc.dg/cpp/assert3.c: New tests.
4472 2000-10-31 Neil Booth <neilb@earthling.net>
4474 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
4475 undefined. Remove #ifdef check.
4476 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
4477 Define STDC_0_IN_SYSTEM_HEADERS to 1.
4479 2000-10-31 Jan Hubicka <jh@suse.cz>
4480 Jakub Jelinek <jakub@redhat.com>
4482 * config/i386/i386.h: Clarify CCNOmode description in comment.
4483 (EXTRA_CC_MODES): Remove CCRCmode.
4484 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
4485 (put_condition_code, ix86_match_ccmode): Likewise.
4486 (ix86_cc_mode): Likewise. Fix comment.
4487 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
4488 * config/i386/i386.md: Add unspec 12 description.
4489 (adddi3 split): Use unspec 12 instead of CCRCmode.
4490 (addsi3_carry_rc): Remove.
4491 (addsi3_cc, addqi3_cc): New patterns.
4492 (addsi_3): Swap operands, match CCZmode.
4493 (addsi_4): Rewritten.
4494 (addsi_5): Renamed from addsi_6.
4496 (addhi_3): Swap operands, match CCZmode.
4497 (addhi_4): Rewritten.
4498 (addhi_5): Renamed from addhi_6.
4500 (addqi_3): Swap operands, match CCZmode.
4501 (addqi_4): Rewritten.
4502 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
4503 (subsi3_carry_rc): Removed.
4504 (iorqi_3): Use =q constraint for clobber.
4505 (xorqi_cc_2): Likewise.
4506 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
4507 (x86_movsicc_0_m1_rc): Removed.
4508 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
4510 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
4512 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
4513 and decrement of complex types.
4515 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4517 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
4518 builtin fputs, ensure we still evaluate the stream in case it
4521 2000-10-31 Jakub Jelinek <jakub@redhat.com>
4523 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
4526 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
4528 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
4529 (fp_extended_operand, emit_fpscr_use): Likewise.
4530 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
4531 (fpul_operand): New function.
4532 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
4533 fp_extended_operand. Add fpul_operand.
4534 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
4535 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
4536 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
4537 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
4538 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
4539 (divdf3_i): Likewise.
4540 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
4541 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
4542 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
4543 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
4544 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
4546 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
4548 * config/i386/i386.c (ix86_init_builtins): Correct return type
4549 building v4hi_ftype_v4hi_int_int tree node.
4550 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
4551 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
4553 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
4555 (mmx__uavgv8qi3): Correct insn mnemonic.
4556 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
4557 (mmx_punpckhwd): Correct insn mnemonic.
4558 (mmx_punpckhdq): Likewise.
4559 (mmx_punpcklwd): Likewise.
4560 (mmx_punpckldq): Likewise.
4561 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
4562 Renumber case labels to match the _mm_prefetch constants defined in
4565 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
4566 if the splitter didn't emit new insns.
4567 Make sure we call cleanup_subreg_operands even when splitting the last
4568 insn in a basic block.
4570 * invoke.texi (Debugging Options): Describe -do.
4571 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
4572 (dump_file): Likewise.
4573 (rest_of_compilation): Split .greg dump into .greg and .postreload.
4575 2000-10-30 Neil Booth <neilb@earthling.net>
4577 * cppfiles.c (stack_include_file): Check for stacked contexts
4579 * cpphash.h (_cpp_do__Pragma): New prototype.
4580 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
4582 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
4583 escaped newlines if !(buffer->from_stage3).
4584 (_cpp_lex_token): Warn about missing newlines iff
4585 !buffer->from_stage3.
4587 * cpplib.c (get__Pragma_string, destringize,
4588 _cpp_do__Pragma): New functions.
4589 (run_directive): Set output_line for _Pragma to avoid line
4590 markers in output. Set from_stage3 and prevent macro expansion
4591 for _Pragma and command-line options. Check buffer exhaustion.
4592 (cpp_push_buffer): Don't check for stacked macro contexts, as
4593 this is perfectly legitimate for _Pragma. Move the check to
4594 stack_include_file instead. Set from_stage3 iff buffer is
4597 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
4598 unsigned. New boolean from_stage3.
4599 (struct spec_nodes): Add n__Pragma.
4601 * cppmacro.c (enter_macro_context): Flip sense of return value.
4602 (_cpp_get_token): Handle _Pragma operator.
4604 2000-10-30 Phil Edwards <pme@sources.redhat.com>
4606 * gcc.texi: The C++ standard isn't "draft" anymore.
4608 2000-10-30 Mark Mitchell <mark@codesourcery.com>
4610 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
4612 2000-10-29 Neil Booth <neilb@earthling.net>
4614 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
4616 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
4618 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
4619 fixinc/inclhack.def: Change comments mentioning C9X to refer to
4622 * invoke.texi: Document that -V will only work for very similar
4623 versions of driver and compiler.
4625 2000-10-29 Neil Booth <neilb@earthling.net>
4627 * cppmacro.c (_cpp_create_definition): Optimize the case of
4628 a macro defined to itself.
4630 2000-10-29 Neil Booth <neilb@earthling.net>
4632 * cpplex.c (save_comment): Don't store new lines in C++ comments.
4634 2000-10-29 Michael Hayes <mhayes@redhat.com>
4636 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
4638 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
4640 * cpphash.c (cpp_forall_identifiers): Add context variable
4641 for callback routine.
4642 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
4644 (main): Call cpp_forall_identifiers with null context.
4645 * cpplib.h (cpp_forall_identifiers): Update prototype.
4647 * cppmain.c: Make `parse_in' and `print' static.
4649 2000-10-28 Alan Modra <alan@linuxcare.com.au>
4651 * c-decl.c (finish_function): Clear c_function_name_declared_p.
4653 2000-10-28 Richard Henderson <rth@redhat.com>
4655 * regrename.c (scan_rtx_address): Frob action, not class,
4656 when trying to disable optimization.
4658 2000-10-28 Mark Mitchell <mark@codesourcery.com>
4660 * c-semantics.c (make_rtl_for_local_static): Don't clobber
4661 DECL_ASSEMBLER_NAME.
4663 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
4665 * configure.in: Determine and substitute gcc_version_full.
4666 * configure: Regenerate.
4667 * gccbug.in: Use it to give full version. Don't allow
4670 2000-10-28 Richard Henderson <rth@redhat.com>
4672 * recog.c (split_all_insns): Run cleanup_subreg_operands
4675 * regrename.c (regrename_optimize): Verify that all registers of
4676 a multiple register mode are available.
4677 (scan_rtx_address): Accept the mode of the address; all callers
4680 * cpplib.c (run_directive): Fix prototype.
4682 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
4684 * reload.c (find_reloads): Distinguish "wins" so that we know whether
4685 a given operand won because of a matching constraint or not; then use
4686 that information to compute goal_alternative_matched properly.
4687 * reload1.c (choose_reload_regs): Never set reload_override_in for an
4690 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
4691 accurate value for MULT.
4692 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
4693 2% or > 98% before using static branch prediction bits.
4695 2000-10-28 Neil Booth <neilb@earthling.net>
4699 * cpplib.c (struct answer): New.
4700 (struct if_stack): Use cpp_lexer_pos rather than line and col.
4701 Rename cmacro mi_cmacro.
4702 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
4703 IN_I): New directive and flags.
4704 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
4705 parse_answer, parse_assertion, find_answer): New functions.
4706 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
4707 (lex_macro_node): New function to replace parse_ifdef and
4710 (_cpp_handle_directive): New function, combines _cpp_check_directive
4711 and _cpp_check_linemarker.
4713 (do_define, do_undef, parse_include, do_include, do_import,
4714 do_include_next, read_line_number, do_line, do_ident, do_pragma,
4715 do_pragma_once, do_pragma_poison, do_pragma_dependency):
4716 Update for new token getting interface.
4718 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
4719 : Update for new multiple-include optimisation technique.
4720 (do_elif): Don't forget to invalidate controlling macros.
4722 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
4723 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
4724 Functions to handle assertions with the new token interface.
4725 (do_assert, do_unassert): Use them.
4727 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
4730 (_cpp_init_stacks): Register directive names. Don't register special
4733 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
4734 new position recording regime.
4735 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
4736 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
4737 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
4738 (cpp_type2name): Move to cpplex.c.
4740 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
4741 (parse_defined): Update to handle new multiple include optimisation
4742 method. Remove poisoned identifier warning.
4743 (parse_assertion, TYPE_NAME): Delete.
4744 (lex): Update for multiple include optimisation, removal of
4745 CPP_DEFINED, to use _cpp_test_assertion for assertions and
4747 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
4748 (op_as_text): New function, to wrap cpp_token_as_text.
4750 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
4751 Update for MI optimisation.
4752 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
4753 segfault on diagnostic.
4754 (_cpp_compare_file_date): Take a token rather than 3 args.
4755 (cpp_read_file): Work correctly for zero-length files.
4757 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
4758 _cpp_init_hashtable and _cpp_cleanup_hashtable.
4759 (cpp_lookup): Place identifiers at front of identifier pool
4760 for _cpp_lookup_with_hash.
4761 (_cpp_lookup_with_hash): Require identifiers to be at the front of
4762 the identifier pool. Commit the memory if not already in the
4765 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
4766 Initialise various members of cpp_reader, memory pools, and the
4768 (cpp_printer_init): Delete.
4769 (cpp_cleanup): Update.
4770 (struct builtin, builtin_array, initialize_builtins): Update for new
4771 hashnode definition and builtin handling.
4772 (cpp_start_read, cpp_finish): Don't take or initialise a
4775 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
4776 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
4777 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
4778 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
4779 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
4780 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
4781 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
4782 struct toklist, struct cpp_context, struct specnodes,
4783 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
4784 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
4785 enum builtin_type, cpp_can_paste): New.
4786 (struct cpp_token): Delete line and col members.
4787 (struct cpp_buffer): New member output_lineno.
4788 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
4789 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
4790 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
4791 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
4792 base_context, context, directive, mi_state, mi_if_not_defined,
4793 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
4794 mlstring_pos, macro_buffer, macro_buffer_len.
4795 Delete members mls_line, mls_column, token_list, potential_control_macro,
4796 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
4797 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
4798 save_parameter_spellings, need_newline, .
4799 Change type of date, time and spec_nodes members.
4800 Change prototypes for include and ident callbacks.
4801 (struct cpp_hashnode): Change type of name. Remove union members
4802 expansion and code. Add members macro, operator and builtin.
4804 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
4805 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
4806 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
4807 cpp_stop_lookahead): New prototypes.
4808 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
4810 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
4811 Move from cpphash.h.
4813 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
4814 ufputs): Move to cpplib.h.
4815 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
4816 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
4817 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
4818 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
4819 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
4820 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
4821 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
4822 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
4823 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
4824 _cpp_parse_assertion, _cpp_find_answer): Delete.
4825 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
4826 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
4827 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
4828 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
4829 _cpp_handle_directive, DSC): New.
4830 (struct include_file): New member defined.
4832 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
4833 _cpp_compare_file_date): Update.
4834 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
4835 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
4836 _cpp_cleanup_hashtable.
4838 * Makefile.in: Remove cppoutput.c.
4840 * cppoutput.c: Delete
4842 * fixheader.c (read_scan_file): Update for new cpp_get_token
4844 (recognized_function): New argument LINE.
4846 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
4847 new cpp_get_token prototype.
4849 * scan.h (recognized_function): Update prototype.
4851 * po/POTFILES.in: Remove cppoutput.c.
4853 2000-10-27 Mark Mitchell <mark@codesourcery.com>
4855 * c-typeck.c (check_init_type_bitfields): Remove.
4856 (constructor_incremental): Likewise.
4857 (struct constructor_stack): Remove incremental bit.
4858 (struct initializer_stack): Likewise.
4859 (start_init): Don't play with constructor_incremental.
4860 (finish_init): Likewise.
4861 (really_start_incremental_init): Likewise.
4862 (push_init_level): Likewise.
4863 (pop_init_level): Likewise.
4864 (output_init_level): Likewise.
4865 (output_pending_init_elements): Likewise.
4867 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
4869 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
4870 Improve error messages. Correct parsing of
4871 #pragma pack(pop [,id]). Do not check the user-supplied
4872 alignment if we're popping.
4874 * gcc.dg/pack-test-1.c: New test case.
4875 * gcc.dg/pack-test-2.c: New test case.
4876 * gcc.dg/pack-test-1.h: New file.
4878 2000-10-27 Neil Booth <neilb@earthling.net>
4882 2000-10-27 Kelley Cook <kelley.cook@home.com>
4884 * invoke.texi: Document -mintel-syntax
4886 2000-10-27 Richard Henderson <rth@redhat.com>
4888 * invoke.texi: Document -frename-registers. Add it to -O3.
4889 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
4890 (enum dump_file_index, dump_file): Update order.
4891 (main): Set flag_rename_registers at -O3.
4893 2000-10-27 Richard Henderson <rth@redhat.com>
4895 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
4896 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
4897 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
4898 * config/alpha/alpha.md (call_osf_1): Use it.
4899 (call_value_osf_1): Likewise.
4901 * config/ia64/ia64.c: Revert 10-23 patch.
4902 (ia64_hard_regno_rename_ok): New.
4903 * config/ia64/ia64-protos.h: Declare it.
4904 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
4906 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
4907 Richard Henderson <rth@redhat.com>
4909 * regrename.c: Rewrite to handle multi-register modes and
4910 cond_exec instructions.
4911 * Makefile.in (regrename.o): Update dependancies.
4912 * recog.h (struct operand_alternative): Add is_address.
4913 * recog.c (preprocess_constraints) [case 'p']: Set it.
4915 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
4917 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
4918 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
4919 top level. Kill oldstyle_subdirs. Do not include
4920 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
4921 $outputs. Do not run configure.lang from config.status.
4922 Rearrange warning-flag logic to correspond to what the
4923 makefile wants. Put special vax stage1 options in
4924 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
4925 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
4926 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
4927 switch is given, nothing otherwise.
4928 * configure.lang: Delete.
4930 * Makefile.in: Expunge all traces of extra_c_objs,
4931 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
4932 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
4933 warning options via a three level scheme so that -pedantic and
4934 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
4935 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
4936 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
4937 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
4938 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
4939 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
4940 generation rules. Wrap all rules that change the current
4941 directory in parentheses; pmake doesn't spawn a new shell for
4942 each command. Expunge all references to $(P). When one
4943 command depends on another and they're run all at once, use &&
4944 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
4945 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
4948 * objc/Make-lang.in: Wrap all rules that change the current
4949 directory in parentheses. Expunge all references to $(P).
4950 When one command depends on another and they're run all at
4951 once, use && to separate them, not ;. Add OUTPUT_OPTION to
4952 all object-file generation rules. Delete obsolete variables.
4953 * objc/Makefile.in: Delete.
4955 2000-10-27 Jakub Jelinek <jakub@redhat.com>
4957 * calls.c (expand_call): If sibcall_failure is set during pass 1,
4958 clear tail_call_insns as well.
4960 2000-10-27 Nick Clifton <nickc@redhat.com>
4962 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
4965 2000-10-26 Richard Henderson <rth@redhat.com>
4967 * calls.c (expand_call): Supress sibcall if we have a
4968 BLKmode return in registers.
4970 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
4972 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
4975 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
4977 * tree.c (make_node, case 't'): Set alignment to that of
4979 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
4981 2000-10-25 Mark Mitchell <mark@codesourcery.com>
4983 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
4984 * configure.in (enable-libstdcxx-v3): Arrange to have
4985 HAVE_LIBSTDCXX_V3 substituted into the output files.
4987 2000-10-25 Richard Henderson <rth@redhat.com>
4989 * recog.c (constrain_operands): Initialize which_alternative
4990 before no alternatives early exit.
4992 * cse.c (find_comparison_args): Check that we can reverse a
4993 comparison if needed before accepting the substitution.
4995 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
4997 * simplify-rtx.c (simplify_relational_operation): Sign extend
4998 low words before sign extending to high words.
5000 2000-10-25 Nick Clifton <nickc@redhat.com>
5002 * config/mcore/mcore.c: Include config.h before system.h.
5004 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
5006 * config/mcore/mcore.md (return): Force function epilogue to
5007 always be generated to work around epilogue suppression bug in
5010 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
5012 * c-decl.c (grokdeclarator): Move warning for qualified void
5013 return types with -pedantic to when the function type is
5014 constructed. At -W, warn in general for qualified function return
5015 types, except for volatile void.
5016 * invoke.texi: Document this new warning at -W.
5018 2000-10-25 Neil Booth <neilb@earthling.net>
5020 * cpp.texi: Update with implementation-defined behavior and
5023 2000-10-25 Jakub Jelinek <jakub@redhat.com>
5025 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
5026 incomplete type force it into alias set 0.
5028 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
5030 * alias.c: Include basic-block.h.
5031 (loop_p): New function.
5032 (mark_constant_function): Use it.
5033 * Makefile.in (alias.o): Update dependencies.
5035 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
5037 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
5040 2000-10-24 Jim Wilson <wilson@cygnus.com>
5042 * expmed.c (store_bit_field): Move integer pun code down after
5043 code that calls emit_move_insn for entire register move.
5044 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
5045 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
5047 2000-10-24 Richard Henderson <rth@cygnus.com>
5049 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
5050 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
5052 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
5054 * gcse.c (cprop_insn): do not propagate constants into jump_insn
5055 for machines with CC0 more than once.
5057 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
5059 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
5060 pseudos just like memory.
5062 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
5064 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
5065 when deleting libcall sequence collapsed to a single instruction.
5067 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
5069 * expr.c (do_store_flag): Don't crash if either side of a
5070 comparison is error_mark_node.
5072 2000-10-24 Jakub Jelinek <jakub@redhat.com>
5074 * sibcall.c (purge_mem_unchanging_flag): New function.
5075 (optimize_sibling_and_tail_recursive_calls): Call it.
5077 2000-10-24 Philipp Thomas <pthomas@suse.de>
5079 * Makefile.in (check-po): New target for doing checks in the po
5080 subdir if all languages configured.
5081 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
5082 configure if NLS is enabled.
5083 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
5084 otherwise leave empty.
5085 * configure: Regenerate.
5087 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
5089 * i386.c (print_operand): Handle new 'A' formatting code.
5090 387 opcodes need suffixes even with -mintel-syntax.
5091 Check for explicit size override (codes 'b', 'w' and 'k').
5092 (print_operand_address): Check if register prefix is needed when
5093 emitting `ds' segment override.
5094 * i386.h: Add comment about new 'A' formatting code.
5095 * i386.md (jump and call patterns): Emit absolute references using %A.
5097 2000-10-23 Richard Henderson <rth@cygnus.com>
5099 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
5100 output registers as fixed.
5101 (ia64_function_epilogue): Undo output fixation.
5103 2000-10-23 Richard Henderson <rth@cygnus.com>
5105 * config/alpha/alpha.md: Add names for all unnamed insns; use
5106 define_insn_and_split in some obvious places.
5108 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
5109 (zero_extendqisi2, zero_extendqidi2): Likewise.
5110 (zero_extendhisi2, zero_extendhidi2): Likewise.
5111 (abs splitters): Fix match_scratch operand number.
5112 (bcc_reverse): Swap pc & label instead of non-canonical compare.
5114 2000-10-23 Jim Wilson <wilson@cygnus.com>
5116 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
5118 * ia64.md (cmpsi_adjusted): Use %r3.
5119 (cmpdi_adjusted): Likewise.
5121 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
5123 * config/i386/att.h (ASM_FILE_START): Define.
5125 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
5127 * config/i386/linux.h (ASM_FILE_START): Define.
5129 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
5131 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
5132 since this (only) drags in a crt0.o reference that the .ld files
5135 2000-10-23 Geoff Keating <geoffk@cygnus.com>
5137 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
5138 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
5139 reloads just like an RELOAD_FOR_OUTPUT would.
5141 * local-alloc.c (update_equiv_regs): Add an abort(). When
5142 deleting or moving insns, update reg_equiv[regno].init_insns.
5144 2000-10-23 Mark Mitchell <mark@codesourcery.com>
5146 * c-tree.texi: Improve documentation for IF_STMTs and related
5147 conditional statements.
5149 2000-10-22 Mark Mitchell <mark@codesourcery.com>
5151 * expr.c (do_preexpand_calls): Remove.
5152 (same_from_p): Don't use CALL_EXPR_RTL.
5153 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
5154 (preexpand_calls): Remove.
5155 * tree.c (first_rtl_op): Remove CALL_EXPR case.
5156 (unsave_expr_1): Likewise.
5157 * tree.def (CALL_EXPR): Give it only two slots.
5158 * tree.h (CALL_EXPR_RTL): Remove.
5160 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
5162 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
5163 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
5166 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
5168 * calls.c (combine_pending_stack_adjustment_and_call): Don't
5169 adjust stack when unadjusted_alignment ends up as zero.
5171 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
5173 * fixinc/genfixes: Remove EGCS reference.
5174 * install.texi: Remove EGCS reference.
5175 * INSTALL: Regenerate.
5177 2000-10-22 Mark Mitchell <mark@codesourcery.com>
5179 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
5181 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
5183 * diagnostic.c: Remove EGCS reference in comment.
5185 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5187 * loop.c (strength_reduce): Fix error in last change.
5189 2000-10-20 David Edelsohn <edelsohn@gnu.org>
5191 * Makefile.in (SHLIB_NM_FLAGS): New.
5192 (libgcc.mk): Pass it.
5193 * mklibgcc.in (libgcc.map): Use it.
5195 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
5196 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
5198 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5200 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
5202 * sparc.c (load_pic_register): Delete unused varaible.
5204 * libgcc2.c (__addvsi3): Delete unused variable.
5206 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
5207 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
5208 __negvdi2): Prototype.
5210 * ssa.c (apply_delayed_renames): Avoid undefined operation.
5212 * toplev.c (display_target_options): Make static to match
5213 prototype. Delete empty declaration.
5215 2000-10-20 Tom Tromey <tromey@cygnus.com>
5217 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
5218 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
5220 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5222 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
5224 (expand_expr_unaligned, case ARRAY_REF): Check that index is
5225 a constant before comparing it; use tree_low_cst.
5226 * tree.c (save_expr): Set TREE_READONLY.
5227 (substitute_expr): Return inside of NON_LVALUE_EXPR.
5228 (build, build1): Set TREE_READONLY if all operands are.
5229 (build_index_type): If upper bound is a negative number, lower
5230 bound is zero and sizetype is unsigned, use upper bound of one and
5233 2000-10-20 David Edelsohn <edelsohn@gnu.org>
5235 * gcc.c (process_command, main): Use "because" instead of
5236 "since" in error messages.
5238 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5240 * stor-layout.c (compute_record_mode): Use tree_low_cst.
5241 Don't use mode of field for record unless sizes are the same.
5242 (layout_type, case ARRAY_TYPE): Remove special bounds handling
5243 previously added for Ada; also change to using host_integerp
5246 * loop.c (strength_reduce): Show when new register made for
5247 giv is known to be a pointer and its aligment if so and known.
5248 (loop_dump_aux): Show VERBOSE parameter unused.
5250 * gcse.c (set_hash_table_size): Now unsigned.
5251 * sdbout.c (template_name_p): Add "const" to avoid warnings.
5252 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
5253 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
5254 (sdbout_end_epilogue): Remove variable NAME.
5255 * system.h (getopt): Add default definition.
5256 * config/alpha/alpha.c (print_operand): Don't continue processing
5257 after issuing error.
5258 (summarize_insn): Avoid use of UL in constant.
5260 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
5262 * fold-const.c (force_fit_type): Unsigned values can overflow
5263 if they are sizetype.
5264 (int_const_binop): Don't use cache if overflows.
5266 2000-10-20 Richard Henderson <rth@cygnus.com>
5268 * function.c (locate_and_pad_parm): Zero alignment_pad.
5270 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
5271 perform substitutions, and apply_change_group to see if it worked.
5273 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5275 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
5277 * combine.c (struct undo): Change int to unsigned int.
5278 (do_SUBST_INT): Args are unsigned int.
5279 (make_extraction, force_to_mode): Use proper type when forming mask.
5280 (make_field_assignment): Likewise.
5282 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
5284 * c-common.c (check_format_info_recurse): Extract string constant
5285 initializers from non-volatile constant arrays and check them as
5287 * c-typeck.c (decl_constant_value): Don't check pedantic or check
5288 for DECL_MODE (decl) != BLKmode.
5289 (decl_constant_value_for_broken_optimization): New function which
5290 includes these checks.
5291 (default_conversion, convert_for_assignment, digest_init): Use
5292 decl_constant_value_for_broken_optimization instead of
5293 decl_constant_value.
5295 2000-10-20 Mark Mitchell <mark@codesourcery.com>
5297 * tree.h (DECL_ALIGN_UNIT): New macro.
5299 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
5301 * config/avr/avr-protos.h (avr_output_bld): New.
5302 (out_shift_with_cnt): Add t_len argument.
5303 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
5304 (output_movqi, output_movhi, output_movsisf): Optimize loading
5305 any constant with exactly one bit set to NO_LD_REGS.
5306 (out_shift_with_cnt): Optimize output code for size or speed,
5307 depending on optimize_size. Handle small shift counts as well
5308 (if not hand-optimized in ?sh??i3_out). Shifts can be done
5309 with or without a scratch register, with help of __tmp_reg__
5310 or __zero_reg__ if necessary. Add T_LEN argument to pass the
5311 length of TEMPLATE in words, return total insn length in *LEN.
5312 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
5313 out_shift_with_cnt to work with the above change.
5314 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
5315 lshrsi3_out): Likewise. Optimize more known shift count cases.
5316 Remove cases already well optimized in out_shift_with_cnt.
5317 (avr_output_bld): New function.
5318 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
5319 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
5320 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
5321 Add reload_completed to insn condition - only for peepholes.
5322 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
5323 in a register or memory.
5324 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
5325 Do not require a scratch register.
5326 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
5327 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
5328 Optimize shifts by known count using a scratch register, but only
5329 if one is still available after register allocation.
5331 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5333 * t-vax: New file. Don't build modules from libgcc1.c.
5335 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
5337 * alias.c: (mark_constant_function): Don't check pure functions.
5338 Initialize and end alias analysis.
5339 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
5340 Don't make a special exception for recursion. Handle
5341 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
5342 unless it's volatile.
5344 * local-alloc.c (equivalence): New structure.
5345 (reg_equiv): Define.
5346 (contains_replace_regs): Remove array and use
5348 (memref_referenced_p): Likewise.
5349 (no_equiv): Likewise.
5350 (update_equiv_regs): Likewise.
5352 (equiv_init_varies_p,
5353 equiv_init_movable_p): New functions.
5354 (update_equiv_regs): Use them. Use rtx_varies_p
5355 instead of function_invariant_p. Process insns
5356 from end to beginning. Allow a REG_EQUIV insn
5357 within the same loop as a use to be moved, also
5358 allow it to be moved out of a loop. Update
5359 REG_DEAD notes when substituting into an insn.
5361 2000-10-19 Jim Wilson <wilson@cygnus.com>
5363 * c-decl.c (start_decl): Check for error_mark_node type before using
5365 (finish_decl): Likewise. Don't give an error if decl type is
5366 already error_mark_node.
5368 * haifa-sched.c (compute_trg_info): Add explanatory comments.
5369 New local update_blocks. Use update_blocks to remove duplicates
5370 when computing update blocks. Check for bblst_table overflow.
5371 (schedule_block): Add explanatory comment. Reduce bblst_size by
5373 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
5376 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
5378 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
5380 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
5382 * expmed.c: Minor corrections in comments.
5383 * invoke.texi: Added desciption for the new option -ftrapv.
5385 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
5387 * libgcc2.c: Added the missing #endif.
5389 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
5391 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
5393 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
5395 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
5396 Use smulv_optab for -ftrapv.
5397 (expand_mult_highpart): Use unsigned multiply.
5398 (expand_divmod): Special-case division by -1.
5399 For EXACT_DIV_EXPR, do right shift first, then the multiply.
5400 For complex divide, use abs with unsigned result.
5401 * expr.c (force_operand): Use unsigned multiply.
5402 (expand_expr): Use overflow-trapping optabs for signed types if
5404 If flag_trapv, don't generate a recursive call with EXPAND_SUM
5405 if the type is signed and the original call wasn't EXPAND_SUM or
5407 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
5408 (negv_optab, absv_optab): Declare.
5409 * flags.h (flag_trapv): Declare.
5410 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
5411 smulv_optab, sdivv_optab, negv_optab and absv_optab.
5412 (gen_insn): Interpret '$P' as requiring an integer mode,
5413 including partial integer modes.
5414 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
5415 (product_cheap_p): Use unsigned expand_mult.
5416 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
5417 (negv_optab, absv_optab): Define.
5418 (expand_binop): Use overflow-trapping optabs for signed types if
5420 Handle negv_optab libe neg_optab.
5421 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
5422 Use overflow-trapping optabs for signed result if flag_trapv.
5423 (expand_complex_abs): Use overflow-trapping optabs for signed types if
5425 Don't open-code complex absolute-value operation for flag_trapv.
5426 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
5427 sdivv_optab, negv_optab and absv_optab.
5428 * toplev.c (flag_trapv): Define.
5429 (lang_independent_options f_options): Include flag_trapv.
5430 * tree.h (TYPE_TRAP_SIGNED): Define.
5431 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
5432 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
5434 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
5435 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
5437 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
5438 David V. Henkel-Wallace <gumby@cygnus.com>
5440 * config/i386/t-netware: Bring in from the Red Hat tree.
5441 * config/i386/netware.h: Likewise.
5442 * config/netware.h: Likewise.
5443 * config/rs6000/netware.h: Delete.
5444 * configure.in: Add i[34567]86-*-netware.
5445 * configure: Hand-edit to match configure.in change.
5447 2000-10-18 Mark Mitchell <mark@codesourcery.com>
5449 * c-common.h (flag_no_builtin): Declare.
5450 (flag_no_nonansi_builtin): Likewise.
5451 (c_common_nodes_and_builtins): Change prototype.
5452 * c-common.c (flag_no_builtin): New variable.
5453 (flag_no_nonansi_builtin): Likewise.
5454 (c_common_nodes_and_builtins): Remove parameters. Adjust
5456 * c-decl.c (flag_no_builtin): Remove.
5457 (flag_no_nonansi_builtin): Likewise.
5458 (init_decl_processing): Adjust call to
5459 c_common_nodes_and_builtins.
5461 2000-10-18 Marc Espie <espie@openbsd.org>
5463 * tm.texi (LIBGCC_SPEC): Synch with reality.
5465 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
5467 * c-common.c (check_format_types): Check for writing through a
5468 NULL pointer argument.
5470 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
5472 * tm.texi (Exception Region Output): Document
5473 DWARF_CIE_DATA_ALIGNMENT.
5474 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
5476 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
5477 DWARF_CIE_DATA_ALIGNMENT.
5479 2000-10-18 Michael Hayes <mhayes@cygnus.com>
5481 * basic-block.h (struct loop): Delete fields pre_header_root
5482 and pre_header_trace and replace with pre_header_edges
5483 and num_pre_header_edges.
5484 * flow.c (flow_loop_dump): Dump pre_header_edges.
5485 (flow_loops_free): Free pre_header_edges.
5486 (flow_loop_pre_header_scan): Calculate pre_header_edges.
5488 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5490 * contrib.texi: Update references to steering committee members
5491 and Jeff Law's entry.
5493 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
5495 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
5496 (maybe_read_dollar_number, check_format_info_main): Use them for
5497 pedantic warning messages.
5499 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
5501 * c-common.c (check_format_info_main): Minor cleanup: move
5502 variables into inner scopes; initialize declarations where
5503 appropriate; don't hardcode "scanf" name on warning for zero
5506 2000-10-17 Mark Mitchell <mark@codesourcery.com>
5508 * c-common.c (back_end_hook): New variable.
5509 * c-common.h (back_end_hook): Declare it.
5510 * c-lang.c (finish_file): Use it.
5512 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
5515 2000-10-18 Jan Hubicka <jh@suse.cz>
5517 * i386.c (ix86_comparison_operator, put_condition_code,
5518 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
5519 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
5520 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
5521 * i386.md (adddi and negdi splitter): Use CCRCmode.
5522 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
5523 (subsi3_carry): add '*'
5524 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
5525 (cmp to add peep2): Use CCRCmode; swap operands.
5527 2000-10-18 Kazu Hirata <kazu@hxi.com>
5529 * h8300.c: Fix a comment typo.
5530 (round_frame_size): New.
5531 (compute_saved_regs): Likewise.
5534 (push_order): Remove.
5535 (pop_order): Likewise.
5536 (function_prologue): Rearrange code for readability.
5537 (function_epilogue): Likewise.
5539 * config/h8300/h8300.md: Remove an unnecessary sign_extend
5540 expander that is used when not optimizing. Output a tab after
5541 each assembly insns.
5543 * reorg.c: Fix formatting.
5545 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
5547 * reload1.c (move2add_note_store): Check for simple
5548 auto-inc in destination.
5550 2000-10-17 Michael Chastain <chastain@redhat.com>
5552 * config/i386/i386-aout.h: define INT_ASM_OP.
5554 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
5556 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
5558 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
5560 * i370.md: Fix spelling typo.
5562 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5564 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
5565 Fixes execute/20001017-1.c on powerpc-linux-gnu.
5567 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
5568 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
5571 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
5572 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
5574 * rs6000/aix.h: ...to here.
5575 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
5577 2000-10-17 Jakub Jelinek <jakub@redhat.com>
5579 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
5581 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
5582 sure linker can relax even the delay slot mov %g1,%o7, fix output
5585 2000-10-17 Kazu Hirata <kazu@hxi.com>
5587 * config/h8300/h8300.md: Remove an unnecessary zero_extend
5588 expander that is used when not optimizing. Output a tab after
5589 each assembly insns.
5591 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
5593 * gcc.c: New options --target-help.
5594 (process_command): Added code to parse this new option.
5595 * toplev.c (display_target_options): New function to support the
5597 * cppinit.c (new_pending_directive) : New option OPT_target__help.
5598 (cpp_handle_option): Support this new option.
5599 * invoke.texi: Added notes about --target-help option.
5601 2000-10-17 Graham Stott <grahams@redhat.com>
5603 * config/i386/i386.md (testqi_1): Add missing operand prefix
5605 * config/i386/i386-protos.h: Add missing prototype.
5607 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
5609 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
5610 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
5611 using -mintel-syntax.
5613 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
5615 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
5616 (format_types): Use it for printf.
5617 (maybe_read_dollar_number): Add parameter for the kind of format
5618 involved. Warn for multiple use for arguments if this is
5619 inappropriate for the kind of format involved.
5620 (check_format_info_main): Update calls to maybe_read_dollar_number.
5622 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5624 * inclhack.def (hpux_maxint): Also apply fix to values.h.
5625 * fixincl.x: Rebuilt.
5627 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
5629 * genrecog.c (write_switch): Return the first condition that needs a
5632 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
5634 * c-tree.h (warn_sequence_point): Move declaration to...
5635 * c-common.h (warn_sequence_point): ... here.
5636 * c-decl.c (warn_sequence_point): Move definition to...
5637 * c-common.c (warn_sequence_point): ... here.
5638 (struct reverse_tree): New.
5639 (reverse_list, reverse_max_depth): New static variables.
5640 (build_reverse_tree, common_ancestor, modify_ok
5641 verify_sequence_points): New functions.
5642 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
5643 * c-typeck.c (check_modify_expr): Delete.
5644 (build_modify_expr): Don't call it.
5646 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
5648 * c-common.h (warn_missing_format_attribute): New variable.
5649 * c-decl.c (warn_missing_format_attribute): New variable.
5650 (c_decode_option): Decode -Wmissing-format-attribute and
5651 -Wno-missing-format-attribute.
5652 * c-common.c (check_function_format): If
5653 -Wmissing-format-attribute, give a warning where a vprintf or
5654 vscanf function is called by a function without its own printf or
5656 * toplev.c (documented_lang_options): Add
5657 -Wmissing-format-attribute.
5658 * invoke.texi: Document -Wmissing-format-attribute.
5660 2000-10-17 Marc Espie <espie@openbsd.org>
5662 * invoke.texi (-shared): Insist on requiring code generation flags
5663 to be used along with -shared, and document the subtle failure that
5664 may occur otherwise.
5666 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5668 * pa.md (return_internal): Move `use' after `return'.
5670 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
5672 * machmode.def: Correct comment.
5674 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
5676 * print-rtl.c (print_rtx_head): Constify.
5677 * rtl.h (print_rtx_head): Similarly.
5679 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
5680 Constify char * return value.
5682 (output_64bit_and, output_64bit_ior): Constify char * return value.
5683 (pa_can_combine_p): Make static.
5684 (function_arg): Decorate unused `named' argument. Fix comment typo.
5685 (function_arg_partial_nregs): Decorate unused `named' argument.
5687 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
5689 * c-common.c (format_check_results): New structure.
5690 (finish_dollar_format_checking): Adjust to take a
5691 format_check_results * parameter.
5692 (check_format_info, check_format_info_recurse,
5693 check_format_info_main): Split check_format_info into three
5694 functions, the main checking going in check_format_info_main.
5695 Recurse when any reduction of the format string argument towards a
5696 string literal is done; go down both branches of a conditional
5697 expression. Don't warn for extra format arguments or empty format
5698 strings if they only occur in some branches of a conditional
5701 2000-10-16 Kazu Hirata <kazu@hxi.com>
5703 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
5705 2000-10-16 Jakub Jelinek <jakub@redhat.com>
5707 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
5709 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
5711 * i386.md (*movsi_or): Switch operand order for intel syntax.
5713 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
5717 * gcc.texi (Contributing): Update.
5719 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
5721 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
5722 appropriate assembler dialect.
5724 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
5726 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
5728 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
5730 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
5731 constants 1 and 2 to NO_LD_REGS.
5733 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5735 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
5737 * objc/Make-lang.in (objc-parse.c): Likewise.
5739 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
5741 * arm.c: Include obstack.h
5742 (minipool_obstack, minipool_startobj): Define.
5743 (arm_add_gc_roots): Initialize them.
5744 (create_fix_barrier): Use our new obstack.
5745 (push_minipool_barrier, push_minipool_fix): Likewise.
5746 (arm_reorg): Release obstack memory.
5748 2000-10-13 Jakub Jelinek <jakub@redhat.com>
5750 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
5751 (prologue, exception_receiver, builtin_setjmp_receiver): New
5753 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
5754 * config/sparc/sparc-protos.h (finalize_pic): Remove.
5755 (load_pic_register): New prototype.
5756 * config/sparc/sparc.c (pic_setup_code): Remove.
5757 (finalize_pic): Rename to...
5758 (load_pic_register): ...this function.
5759 Don't look for nonlocal_goto_receivers and emit pic setup code
5760 directly. Don't check current_function_uses_pic_offset_table.
5762 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
5764 * tree.h (struct obstack): Declare.
5766 2000-10-12 Mark Mitchell <mark@codesourcery.com>
5769 * Makefile.in (ggc-callbacks.o): Remove target.
5770 (flow.o): Depend on GGC_H.
5771 * alias.c (init_alias_analysis):
5772 Remove ggc_p conditionals.
5773 (end_alias_analysis): Likewise.
5774 * basic-block.h (init_flow): New function.
5775 (allocate_reg_life_data): Declare.
5776 * bb-reorder.c (function_obstack): Replace with ...
5777 (flow_obstack): ... new variable.
5778 (fixup_reorder_chain): Use it.
5779 * c-decl.c (ggc_p): Remove.
5780 (caller-save.c): Don't call oballoc/obfree.
5782 undobuf): Remove storage.
5783 (try_combine): Don't call oballoc.
5784 (undo_all): Don't call obfree.
5785 * cse.c (insert): Use xmalloc, not
5787 (cse_main): Adjust accordingly.
5788 * dwarf2out.c (save_rtx): Remove
5790 (dwarf2out_init): Remove ggc_p conditionals.
5791 * emit-rtl.c (rtl_obstack): Remove.
5792 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
5793 (make_insn_raw): Likewise.
5794 (emit_insn_before): Likewise.
5795 (emit_insn_after): Likewise.
5796 (emit_insn): Likewise.
5797 (gen_sequence): Likewise.
5798 (copy_insn_1): Remove handling of `b' RTL components.
5799 (init_emit_once): Remove ggc_p conditionals.
5800 * except.c (create_rethrow_ref): Don't fool with obstacks.
5801 (add_partial_entry): Likewise.
5802 (call_get_eh_context): Likewise.
5803 (begin_protect_partials): Likewise.
5804 (protect_with_terminate): Likewise.
5806 (plus_constant_wide): Likewise.
5807 * expr.c (init_expr_once):
5809 (emit_block_move): Likewise.
5810 (clear_storage): Likewise.
5811 (expand_expr): Likewise.
5812 * flow.c (function_obstack): Remove.
5813 (flow_obstack): New variable.
5814 (flow_firstobj): Likewise.
5815 (create_base_block): Use the flow_obstack.
5816 (split_block): Likewise.
5817 (split_edge): Likewise.
5818 (calculate_global_regs_live): Likewise.
5819 (allocate_bb_life_data): Make it static. Likewiwse.
5820 (init_flow): New function.
5821 (size_int_type_wide): Remove ggc_p conditionals.
5823 (push_function_context_to): Don't call save_tree_status.
5824 (pop_function_context_from): Or restore_tree_status.
5825 (assign_stack_local_1): Don't call push_obstacks.
5826 (find_fixup_replacement): Use xmalloc.
5827 (fixup_var_refs_insns): Free the storage.
5828 (insns_for_mem_walk): Don't mess with obstacks.
5829 (instantiate_decls): Likewise.
5830 (trampoline_address): Likewise.
5831 (expand_function_end): Likewise.
5832 * function.h (sturct function):
5833 Remove obstack-related variables.
5834 (save_tree_status): Don't declare.
5835 (restore_tree_status): Likewise.
5836 * gcse.c (compute_can_copy):
5837 Don't call oballoc/obfree.
5838 * genattrtab.c (operate_exp): Remove
5840 (simplify_cond): Likewise.
5841 (simplify_test_exp): Don't mess with obstacks.
5842 (optimize_attrs): Likewise.
5843 * gengenrtl.c (gendef): Don't include
5845 * ggc-callbacks.c (ggc_p): Remove.
5846 * ggc-none.c (ggc_p): Remove.
5847 * ggc.h (ggc_p): Don't declare.
5848 * integrate.c (save_for_inline): Don't mess with obstacks.
5849 (integrate_decl_tree): Likewise.
5850 (output_inline_function): Likewise.
5852 (init_EXPR_INSN_LIST_cache): Likewise.
5853 * loop.c (temp_obstack):
5855 (rtl_obstack): Likewise.
5856 (init_loop): Don't mess with obstacks.
5857 (reg_address_cost): Free BIVs and GIVs.
5858 (check_insns_for_bivs): Use xmalloc, not oballoc.
5859 (find_mem_givs): Likewise.
5860 (record_biv): Likewise.
5861 (general_induction_var): Likewise.
5862 (product_cheap_p): Likewse.
5863 * optabs.c (init_one_libfunc): Remove
5865 * print-tree.c (debug_tree): Don't use
5867 (print_node): Likewise.
5868 * profile.c (output_func_start_profiler):
5869 Remove call to temporary_allocation.
5871 (eliminate_regs_in_insn): Don't mess with obstacks.
5873 (mark_target_live_regs): Use xmalloc.
5874 (free_resource_info): Free the memory.
5875 * rtl.c (rtl_obstack):
5877 (rtvec_alloc): Don't mess with obstacks.
5878 (rtx_alloc): Likewise.
5880 (copy_rtx): Don't handle `b' cases.
5881 (read_rtx): Use a local rtl_obstack.
5882 * rtl.h (oballoc): Remove.
5884 (pop_obstacks): Likewise.
5885 (push_obstacks): Likewise.
5886 (allocate_bb_life_data): Likewise.
5887 (allocate_reg_life_data): Likewise.
5888 (rtx_free): Likewise.
5889 * sdbout.c (sdbout_queue_anonymous_type):
5890 Use tree_cons, not saveable_tree_cons.
5892 (cselib_init): Don't mess with obstacks.
5894 (mark_block_nesting): Mark the label_chain.
5895 (epxand_label): Use ggc_alloc, not oballoc.
5896 (clear_last_expr): Don't mess with obstacks.
5897 (expand_decl_cleanup): Likewise.
5898 (expand_dcc_cleanup): Likewise.
5899 (expand_dhc_cleanup): Likewise.
5900 (expand_anon_union_decl): Likewise.
5901 (add_case_node): Use xmalloc, not oballoc.
5902 (free_case_nodes): New function.
5903 (expand_end_case): Call it.
5904 * stor-layout.c (layout_type): Don't
5906 (layout_type): Likewise.
5907 * toplev.c (wrapup_global_declarations):
5909 (compile_file): Remove ggc_p conditionals.
5910 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
5911 (decode_f_option): Remove ggc_p conditionals.
5913 (function_maybepermanent_obstack): Remove.
5914 (maybepermanent_obstack): Likewise.
5915 (function_obstack): Likewise.
5916 (tmeporary_obstack): Likewise.
5917 (momentary_obstack): Likewise.
5918 (temp_decl_obstack): Likewise.
5919 (saveable_obstack): Likewise.
5920 (rtl_obstack): Likewise.
5921 (current_obstack): Likewise.
5922 (expression_obstack): Likewise.
5923 (struct obstack_stack): Likewise.
5924 (obstack_stack): Likewise.
5925 (obstack_stack_obstack): Likewise.
5926 (maybepermanent_firstobj): Likewise.
5927 (temporary_firstobj): Likewise.
5928 (momentary_firstobj): Likewise.
5929 (temp_decl_firstobj): Likewise.
5930 (momentary_function_firstobj): Likewise.
5931 (all_types_permanent): Likewise.
5932 (struct momentary_level): Likewise.
5933 (momentary_stack): Likewise.
5934 (init_obstacks): Remove initialization of removed obstacks.
5935 (save_tree_status): Remove.
5936 (restore_tree_status): Likewise.
5937 (temporary_allocation): Liekwise.
5938 (end_temporary_allocation): Liekwise.
5939 (resume_temporary_allocation): Likewise.
5940 (saveable_allocation): Likewise.
5941 (push_obstacks): Likewise.
5942 (push_obstacks_nochange): Likewise.
5943 (pop_obstacks): Likewise.
5944 (allocation_temporary_p): Likewise.
5945 (permanent_allocation): Likewise.
5946 (preserve_data): Likewise.
5947 (preserve_initializer): Likewise.
5948 (rtl_in_current_obstack): Likewise.
5949 (rtl_in_saveable_obstack): Likewise.
5950 (oballoc): Likewise.
5952 (savealloc): Likewise.
5953 (expralloc): Likewise.
5954 (print_obstack_name): Likewise.
5955 (debug_obstack): Likewise.
5956 (object_permanent_p): Likewise.
5957 (push_momentary): Likewise.
5958 (perserve_momentary): Likewise.
5959 (clear_momentary): Likewise.
5960 (pop_momentary): Likewise.
5961 (pop_momentary_nofree): Likewise.
5962 (suspend_momentary): Likewise.
5963 (resume_momentary): Likewise.
5964 (make_node): Don't set TREE_PERMANENT.
5965 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
5966 Don't set TREE_PERMANENT.
5967 (get_identifier): Remove ggc_p conditionals.
5968 (build_string): Likewise.
5969 (make_tree_vec): Likewise.
5970 (build_decl_list): Remove.
5971 (build_expr_list): Likewise.
5972 (tree_cons): Remove ggc_p conditionals.
5973 (decl_tree_cons): Remove.
5974 (expr_tree_cons): Likewise.
5975 (perm_tree_cons): Likewise.
5976 (temp_tree_cons): Likewise.
5977 (saveable_tree_cons): Likewise.
5978 (build1): Remove ggc_p conditionals.
5979 (build_parse_node): Likewise.
5980 (build_type_attribute_variant): Don't mess with obstacks.
5981 (build_type_copy): Likewise.
5982 (type_hash_canon): Likewise.
5983 (build_pointer_type): Likewise.
5984 (build_reference_type): Likewise.
5985 (build_index_type): Likewise.
5986 (build_range_type): Likewise.
5987 (dump_tree_statistics): Don't print obstack information.
5989 (struct tree_common): Remove permanent_flag.
5990 (TREE_PERMANENT): Remove.
5991 (TREE_SET_PERMANENT): Likewise.
5992 (TYPE_OBSTACK): Likewise.
5993 (struct tree_type): Remove obstack.
5995 (savealloc): Likewise.
5996 (build_decl_list): Likewise.
5997 (build_expr_list): Likewise.
5998 (perm_tree_cons): Likewise.
5999 (temp_tree_cons): Likewise.
6000 (saveable_tree_cons): Likewise.
6001 (decl_tree_cons): Likewise.
6002 (expr_tree_cons): Likewise.
6003 (suspend_momentary): Likewise.
6004 (allocation_temporary_p): Likewise.
6005 (resume_momentary): Likewise.
6006 (push_obstacks_nochange): Likewise.
6007 (permanent_allocation): Likewise.
6008 (push_momentary): Likewise.
6009 (clear_momentary): Likewise.
6010 (pop_momentary): Likewise.
6011 (end_temporary_allocation): Likewise.
6012 (pop_obstacks): Likewise.
6013 (push_obstacks): Likewise.
6014 (pop_momentary_nofree): LIkewise.
6015 (preserve_momentary): Likewise.
6016 (saveable_allocation): Likewise.
6017 (temporary_allocation): Likewise.
6018 (resume_temporary_allocation): Likewise.
6019 (perserve_initializer): Likewise.
6020 (debug_obstack): Likewise.
6021 (rtl_in_current_obstack): Likewise.
6022 (rtl_in_saveable_obstack): Likewise.
6024 * varasm.c (current_obstack): Remove.
6025 (saveable_obstack): Remove.
6026 (rtl_obstack): Remove.
6027 (immed_double_const): Don't mess with obstacks.
6028 (immed_real_cons): Likewise.
6029 (output_constant_def): Likewise.
6030 (init_varasm_status): Use xcalloc.
6031 (mark_pool_constant): Mark the pool constant itself.
6032 (free_varasm_status): Free memory.
6033 (decode_rtx_const): Call bzero directly, rather than expanding it
6035 (record_rtx_const): Don't mess with obstacks.
6036 (force_const_mem): Likewise.
6037 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
6039 (aof_pic_entry): Likewise.
6040 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
6041 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
6042 * config/pa/pa.c (saveable_obstack): Remove.
6043 (rtl_obstack): Likewise.
6044 (current_obstack): Likewise.
6045 (output_call): Don't mess with obstacks.
6046 (hppa_encode_label): Remove ggc_p conditionals.
6047 * config/romp/romp.c (get_symref): Don't mess with obstacks.
6048 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
6049 (rs6000_encode_section_info): Likewise.
6050 * config/sh/sh.c (get_fpscr_rtx): Likewise.
6052 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
6054 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
6055 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
6056 (addsi3_carry): Canonicalize.
6057 (addqi_5): Remove '*'.
6058 (sbb pattern): Canonicalize.
6060 * i386.md (cmp to inc/add peep2): New.
6062 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
6064 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
6067 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
6069 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
6070 * README.TRAD, TESTS.FLUNK: Remove.
6072 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
6074 * c-common.c (decl_attributes): Don't allow strftime formats with
6075 first_arg_num nonzero.
6076 (check_format_info): Set wanted_type and wanted_type_name to zero
6077 before they are possibly assigned and used.
6079 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
6081 * c-common.c (scanf_flag_specs): Add flags ' and I.
6082 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
6083 or the ^ and # flags together.
6084 (scan_char_table): Handle the ' and I flags.
6085 (format_types): Add ' and I flags for scanf.
6087 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
6089 * c-common.c (print_char_table): Use the unpromoted type for
6090 lengths "h" and "hh" with conversions dioxXu.
6091 (check_format_types): Apply the default argument promotions where
6092 the wanted type is not a pointer target.
6094 2000-10-11 Michael Meeks <mmeeks@gnu.org>
6095 Joseph S. Myers <jsm28@cam.ac.uk>
6097 * c-typeck.c (check_modify_expr): New function.
6098 (build_modify_expr): Call it if warn_sequence_point.
6099 * c-decl.c (warn_sequence_point): New variable.
6100 (c_decode_option): Handle -Wsequence-point and
6101 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
6102 * c-tree.h (warn_sequence_point): Declare.
6103 * invoke.texi (-Wsequence-point): Document.
6104 * toplev.c (documented_lang_options): Add -Wsequence-point and
6105 -Wno-sequence-point.
6106 Original work by Michael Meeks, 16 Jun 1998.
6108 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6110 * tree.c (get_narrower): Don't look at precision of field if
6113 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
6115 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
6116 declaration for data with "progmem" attribute.
6118 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
6120 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
6121 Correct insn length if shift count is a memory operand.
6122 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
6123 (*iorhi3_clobber): Change lo8 to hi8.
6124 (zero_extendhisi2): Change %B0 to %A1.
6125 (ashlhi3, ashrhi3): Correct insn length.
6126 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
6127 from "clobber" to "set_n" in some alternatives.
6129 2000-10-10 Jakub Jelinek <jakub@redhat.com>
6131 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
6132 remove its insn_chain structure as well.
6134 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6136 * dbxout.c (dbxout_source_line): Remove extra tab.
6138 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
6140 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
6142 2000-10-09 Richard Henderson <rth@cygnus.com>
6144 * Makefile.in (LANG_LIB2FUNCS): Remove.
6145 (LIB2FUNCS): Remove _pure.
6146 (LIB2ADD): Remove LANG_LIB2FUNCS.
6147 (stage_a): Don't set LANG_LIB2FUNCS.
6148 * libgcc2.c (__terminate): Mark noreturn.
6149 (__pure_virtual): Remove.
6150 * mklibgcc.in: Remove LIB2ADD .txt processing.
6152 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
6154 * arm.md (push_multi): Revert unintended change.
6156 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
6158 * arm.c: Miscellaneous white space and comment clean-ups. No
6162 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6164 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
6165 STRING_CST by calling combine_strings.
6167 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
6169 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
6170 (thumb_output_move_mem_multiple): Support new insn format.
6171 * arm.md (movmem12b): Use SSA compatible format.
6172 (movmem8b): Likewise.
6174 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
6176 * arm.md (predicable): New attribute, default to "no".
6177 (all patterns): Mark as predicable if appropriate.
6178 (conditional execution splits): Split using predication format.
6179 (define_cond_exec): Define.
6180 * arm.c (arm_print_operand): handle insn predicate.
6182 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6184 * README.NS32K: Remove file.
6186 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6188 * README-bugs: Remove file.
6190 2000-10-08 Philipp Thomas <pthomas@suse.de>
6191 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
6193 * configure: Rebuilt.
6195 2000-10-08 Philipp Thomas <pthomas@suse.de>
6196 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
6197 disable catalog building if no suitable program was found.
6198 Move warning message from here
6199 (AM_GNU_GETTEXT): To here.
6200 * configure: Rebuilt.
6202 2000-10-08 Philipp Thomas <pthomas@suse.de>
6203 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
6204 different cache variables.
6205 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
6206 uses different cache variables.
6207 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
6208 * configure: Regenerated.
6210 2000-10-08 Richard Henderson <rth@cygnus.com>
6212 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
6213 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
6214 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
6217 * config/t-linux (SHLIB_EXT): New.
6218 (SHLIB_LINK): Use the entire build command, with substitutions.
6219 (SHLIB_LIBS): Remove.
6220 * config/alpha/t-osf4: Likewise.
6221 * config/mips/t-iris6: Likewise.
6222 * config/sparc/t-sol2: Likewise, but move shlib stuff...
6223 * config/sparc/t-slibgcc-sld: ...here.
6224 * config/sparc/t-slibgcc: New file.
6226 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
6228 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
6229 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
6231 (intmax_type_node, uintmax_type_node): Define.
6232 * c-common.c (decl_attributes): If pedantic, warn if `mode'
6233 attributes create a type wider than intmax_t.
6234 (T_IM, T_UIM): Define properly.
6235 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
6237 (init_decl_processing): Initialize intmax_type_node and
6239 * c-lex.c (lex_number): When pedantic and warning for integer
6240 constants that are too large, in C99 mode warn for those that have
6241 a type wider than long long.
6243 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
6245 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
6246 FMT_FLAG_FANCY_PERCENT_OK): Define.
6247 (format_char_info): Add flag "4" to comment.
6248 (format_flag_spec, format_flag_pair): New structures.
6249 (format_kind_info): Add additional fields to control format
6251 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
6252 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
6254 (time_char_table): Use "4" flag to handle %Ey.
6255 (format_types): Add entries for new fields.
6256 (get_flag_spec): New function.
6257 (check_format_info): Increase size of flag_chars[] to 256.
6258 Control format checking using the new fields of a format_kind_info
6259 and the new tables; remove all conditionals on printf_format_type,
6260 scanf_format_type or strftime_format_type. Handle all details of
6261 bad combinations of flags (including width, precision and strftime
6262 modifiers) through data rather than ad hoc code. Handle all
6263 details of standard versions in which flags appeared through
6264 data. Use the "4" flag.
6266 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
6268 * config/h8300/h8300.md: Remove the memory alternative and correct
6269 the insn lengths in the templates for sign extention and zero
6272 2000-10-07 Richard Henderson <rth@cygnus.com>
6274 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
6275 * flow.c (make_edges): Revert last change.
6277 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
6279 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
6281 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
6283 * config/alpha/elf.h: Standardize the formatting.
6285 2000-10-06 David O'Brien <obrien@FreeBSD.org>
6287 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
6290 2000-10-06 Richard Henderson <rth@cygnus.com>
6292 * function.c (diddle_return_value): Examine
6293 current_function_return_rtx instead of the DECL_RESULT.
6294 (expand_function_end): Handle reloading DECL_RESULT from memory
6295 into a hard register. Query promote_mode for sign of mismatched
6298 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
6300 * haifa-sched.c (schedule_insns): Fix typo in freeing
6301 forward_dependency_cache.
6303 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
6305 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
6306 `TARGET_SH2' as a condition.
6308 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
6310 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
6311 forward_dependency_cache): New variables.
6312 (add_dependence, remove_dependence): Use anti_dependency_cache and
6313 output_dependency_cache.
6314 (compute_block_forward_dependences): Use forward_dependency_cache.
6315 (schedule_insns): Allocate and free memory for anti/output/forward
6316 dependencies caches.
6318 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
6320 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
6321 `! TARGET_SH1'. Reindent.
6323 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6325 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
6326 Move functions from here ...
6328 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
6330 (c_expand_builtin): New function.
6331 (init_function_format_info): Don't set `check_function_format_ptr'.
6332 (c_common_nodes_and_builtins): Set built_in_class type for
6333 printf/__builtin_printf to BUILT_IN_FRONTEND.
6334 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
6336 * c-common.h (build_function_call): Declare.
6338 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
6339 to `lang_expand_expr' rather than `expand_builtin'.
6341 * tree.c (check_function_format_ptr): Delete.
6343 * tree.h (check_function_format_ptr): Likewise.
6345 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
6347 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
6348 DW_OP_bregx when cfa->reg > 31.
6350 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
6353 2000-10-05 Richard Henderson <rth@cygnus.com>
6355 * c-decl.c (warn_missing_noreturn): Remove.
6356 (c_expand_body): Don't set or check can_reach_end.
6357 * c-tree.h (warn_missing_noreturn): Move ...
6358 * flags.h: ... here.
6359 (can_reach_end): Remove.
6360 * flow.c (check_function_return_warnings): New.
6361 (make_edges): No edge to exit for noreturn sibcalls.
6362 * function.c (expand_function_end): Save the return value
6363 clobber instruction.
6364 (mark_function_status): Mark it.
6365 * function.h (struct function): Add x_clobber_return_insn.
6366 * jump.c (can_reach_end): Remove.
6367 (calculate_can_reach_end): Remove.
6368 (jump_optimize_1): Don't call it.
6369 * output.h (check_function_return_warnings): Declare.
6370 * toplev.c (warn_missing_noreturn): Move from c-decl.c
6371 (rest_of_compilation): Call check_function_return_warnings.
6373 2000-10-05 Richard Henderson <rth@cygnus.com>
6375 * Makefile.in (NM_FOR_TARGET): New.
6376 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
6377 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
6378 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
6379 shared library build on that and EXTRA_MULTILIB_PARTS.
6380 * mkmap-flat.awk: New file.
6381 * mkmap-symver.awk: New file.
6382 * libgcc-std.ver: New file.
6383 * config/libgcc-glibc.ver: New file.
6384 * config/ia64/libgcc-ia64.ver: New file.
6385 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
6386 (SHLIB_LINK): Add --version-script.
6387 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
6388 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
6389 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
6390 (SHLIB_LINK): Add -M.
6392 2000-10-05 Richard Henderson <rth@cygnus.com>
6394 * Makefile.in (LIB2FUNCS): Add _clz.
6395 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
6396 (__clz_tab): Put in its own unit, non-static.
6397 * libgcc2.h: Always include longlong.h.
6399 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
6400 a zero instead of -1.
6401 (count_trailing_zeros): Likewise.
6403 2000-10-05 Richard Henderson <rth@cygnus.com>
6405 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
6406 when second op1 is const0_rtx. Validate op0 as a register.
6407 * config/alpha/alpha.md (setcc_internal): Don't allow constants
6408 in the first argument of the compare.
6409 (setcc_swapped_internal): Likewise.
6410 (setne_internal): Likewise.
6412 2000-10-05 Geoff Keating <geoffk@cygnus.com>
6414 * tree.c (tree_size): New function split out of copy_node.
6415 (make_node): Remove obstack handling. Use tree_size.
6416 (copy_node): Use tree_size.
6417 * tree.h: Prototype tree_size.
6419 2000-10-05 Richard Henderson <rth@cygnus.com>
6421 * diagnostic.c (output_format): Add missing break.
6423 2000-10-05 Jim Wilson <wilson@cygnus.com>
6425 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
6426 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
6427 sequence insn to INSN, and delete last sequence insn.
6429 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
6431 * gcc.c (main): Include generated configargs.h header
6432 and use arguments in '-v' output.
6434 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6436 * gcc.c: Move data on prefixes forward in file and reorganize.
6437 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
6438 Always define, but make null if no value.
6439 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
6440 and "md_startfile_prefix_1".
6441 (main): Check whether md_exec_prefix and the others are the
6442 null string rather than whether the macro is defined.
6444 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6446 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
6447 from PSImode to SImode.
6449 2000-10-05 Jakub Jelinek <jakub@redhat.com>
6451 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
6452 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
6453 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
6456 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6458 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
6459 negation in proper type.a
6461 2000-10-04 Richard Henderson <rth@cygnus.com>
6463 * configure.in (enable-shared): New.
6464 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
6465 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
6466 * mklibgcc.in: Use them to link shared a libgcc.
6467 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
6468 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
6469 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
6470 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
6472 * configure.in (alpha-osf*): Use t-osf and x-osf.
6473 * config/alpha/t-osf: New file.
6474 * config/alpha/t-osf4: New file.
6475 * config/alpha/x-osf: New file.
6476 * config/alpha/x-alpha: Remove file.
6478 2000-10-04 Will Cohen <wcohen@redhat.com>
6480 * c-typeck.c (process_init_element): Added warning for zero-length
6483 * extend.texi (Zero Length): State that static initializers for
6484 zero-length arrays are not allowed.
6486 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
6488 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
6491 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6493 * config/float-c4x.h: New.
6494 * configure.in (c4x-*): Set float_format to c4x.
6495 * configure: Regenerate.
6497 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6499 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
6500 compilation for solaris versions 2.7 and greater.
6502 2000-10-02 Marc Espie <espie@openbsd.org>
6504 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
6505 instead of redefining from scratch.
6507 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
6509 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
6511 2000-10-01 Mark Mitchell <mark@codesourcery.com>
6513 * config/ns32k/genix.h: Remove.
6514 * config/ns32k/x-genix: Likewise.
6515 * config/ns32k/xm-genix.h: Likewise.
6516 * config/fx80: Remove all filee in directory.
6517 * config/pyr: Likewise.
6518 * config/tahoe: Likewise.
6519 * config/gmicro: Likewise.
6520 * config/spur: Likewise.
6521 * configure.in: Remove configury bits for above targets.
6522 * configure: Regenerated.
6524 * configure.in: Don't configure chill by default.
6525 * configure: Regenerated.
6527 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
6528 (lang_mark_false_label_stack): Remove.
6529 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
6530 <top level> string in GC area.
6531 (mark_splay_tree_node): New function.
6532 (mark_splay_tree): Likewise.
6533 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
6535 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
6536 * ggc-common.c (lang_mark_false_label_stack): Change type.
6537 * ggc.h (ggc_alloc_string): Add comment.
6538 (ggc_strdup): New function.
6540 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
6542 * config/avr/avr.h (BRANCH_COST): Define as 0.
6544 * config/pdp11/pdp11.c: #include "tree.h" added.
6546 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
6548 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
6549 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
6550 with known shift count.
6551 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
6552 New alternative for shift count 2 with no scratch register.
6553 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
6554 "set_n" for shift counts 1 and 2.
6556 2000-09-30 Geoff Keating <geoffk@cygnus.com>
6558 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
6559 the mask value from the individual SET operations.
6560 (return_internal_si): Move the USE after the RETURN.
6561 (return_internal_di): Likewise.
6562 (return_and_restore_fpregs_si): Likewise.
6563 (return_and_restore_fpregs_di): Likewise.
6564 (return_eh_si): Likewise.
6565 (return_eh_di): Likewise.
6566 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
6568 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
6569 Don't generate a PARALLEL around a single operation movsi_to_cr.
6570 Generate the RETURN first in any PARALLELs.
6572 * rtlanal.c (single_set_1): Use fatal_insn to display the
6573 invalid insn. Check for more cases when a USE or CLOBBER occurs
6575 * Makefile.in: Update dependencies for rtlanal.o.
6577 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
6579 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
6581 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
6583 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
6584 Consistently use @email for formatting email addresses.
6586 2000-09-29 Richard Henderson <rth@cygnus.com>
6588 * cse.c (notreg_cost): New argument outer.
6589 (COST): Pass in SET to notreg_cost
6591 (fold_rtx): Use COST_IN. Prefer constants when costs
6594 2000-09-29 David Edelsohn <edelsohn@gnu.org>
6596 * fixinc/inclhack.def (broken_cabs): Generalize regex.
6597 * fixinc/fixincl.x: Regenerate.
6599 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6601 * loop.c (check_final_value): A GIV is not replaceable if used
6604 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
6606 * version.c: Bump to gcc-2.97.
6608 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
6610 * final.c (final_scan_insn): Remove extra extract_insn call;
6611 Use caching for constrain_operands.
6612 (cleanup_subreg_operands): Use caching for extract_insn.
6613 * recog.c (constrain_operands_cached): New.
6614 * recog.h (constrain_operands_cached): Declare.
6615 * i386.c (ix86_attr_length_immediate_default,
6616 ix86_attr_length_address_default, ix86_agi_dependant): Cache
6619 * recog.c (asm_noperands): Tweak.
6620 (extract_insn): Do not call asm_noperads for non-asm instructions.
6622 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
6624 * recog.c (recog_memoized): Rename to recog_memoized_1.
6625 * recog.h (recog_memoized): Rename to recog_memoized_1.
6626 (recog_memoized): New macro.
6627 * rtl.h (single_set): Rename to single_set_1
6628 (single_set): New macro.
6629 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
6632 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
6633 Do not use match_dup of input operands at outputs.
6634 Use register_operand for memory expression.
6635 (rep_movsi): Put use last, canonicalize.
6636 Use register_operand for memory expression.
6637 (rep_movqi): Put use last.
6638 Use register_operand for memory expression.
6639 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
6640 of input operands at outputs. Use register_operand for memory
6642 (rep_stossi): Put use last; canonicalize; fix match_dup in
6643 the address expression
6644 (rep_stosqi): Likewise.
6645 (memcmp expander): Update calls.
6646 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
6649 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
6651 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
6653 2000-09-28 David O'Brien <obrien@FreeBSD.org>
6655 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
6656 Contains the old contents of config/i386/freebsd.h
6657 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
6658 Contains the old contents of config/i386/freebsd-elf.h
6659 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
6660 config/i386/freebsd.h.
6661 * configure.in: Adjust for above changes.
6662 * po/POTFILES.in: Likewise.
6663 * po/en_GB.po: Likewise.
6664 * po/gcc.pot: Likewise.
6665 * configure: Rebuilt.
6667 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6669 * doloop.c (doloop_modify): Prevent delete_insn() from
6670 deleting too much. Prefer loop->top over loop->start as
6671 target for the new JUMP insn.
6672 (doloop_valid_p): Ignore loop with exit_count != 0.
6674 2000-09-28 Philipp Thomas <pthomas@suse.de>
6676 * invoke.texi (i386 Options): Add athlon to table of possible
6679 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
6681 * diagnostic.h (output_clear_message_text): New function.
6682 (output_message_text): New macro.
6684 * diagnostic.c (clear_text_info): Rename to
6685 output_clear_message_text.
6686 (output_clear): Adjust.
6687 (output_finish): Rename to output_finalize_message. Tweek.
6688 (output_to_stream): Adjust.
6690 2000-09-28 Neil Booth <neilb@earthling.net>
6692 * cpperror.c (_cpp_begin_message): Do the test for suppression
6693 of warnings and pedantic warnings before the "is a warning an
6695 * cppinit.c (cpp_handle_option): Remove surplus \n.
6696 * cpplex.c (ON_REST_ARG): Delete.
6697 (skip_block_comment): Initialise prevc.
6698 (parse_args): Improve error messages.
6699 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
6701 * cpplib.c (cpp_push_buffer): Fix grammar in message.
6702 * cppmain.c (main): Set callbacks for #ident and #pragma
6703 only if no_output option is false.
6704 (do_pragma_implementation): Only call the #pragma handler
6705 if it is set in the cpp_reader structure.
6707 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
6709 * integrate.c (copy_insn_list): if an ignored return value
6710 is being clobbered, skip cloning that into the inline copy.
6712 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
6714 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
6715 use @uref for formatting URLs.
6717 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
6719 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
6722 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
6724 * gcc.c (cpp_options): Add spec for -ftabstop=.
6725 (invoke_as): New spec that handles invoking as.
6726 Update specs to handle -save-temps and -traditional.
6727 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
6729 * cp/lang-specs.h, objc/lang-specs.h: Update to use
6730 invoke_as, and handle -save-temps and -traditional (if
6733 2000-09-26 Jakub Jelinek <jakub@redhat.com>
6735 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
6737 (function_arg_slotno): Accept TImode/CTImode.
6738 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
6741 2000-09-26 Michael Hayes <mhayes@cygnus.com>
6743 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
6746 2000-09-25 Jim Wilson <wilson@cygnus.com>
6748 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
6749 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
6750 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
6751 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
6753 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
6755 * cpplex.c (parse_args): Don't set VOID_REST flag.
6756 (CONTEXT_VARARGS): New flag.
6757 (maybe_paste_with_next): Set context earlier in loop. Use
6758 it. Do varargs test with CONTEXT_VARARGS flag.
6759 (push_arg_context): Set CONTEXT_VARARGS flag if we're
6760 pushing an argument context for a varargs argument.
6761 * cpplib.h (VOID_REST): Delete.
6762 * gcc.dg/cpp/vararg1.c: Add test case.
6764 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
6766 * flags.h: Declare warning flag warn_system_headers.
6767 * toplev.c: Define it.
6768 (W_options): Add option -Wsystem-headers.
6769 * diagnostic.c (count_error): Test warn_system_headers.
6770 * invoke.texi: Add description for -Wsystem-headers.
6771 * cpplib.h (cpp_options): New member warn_system_headers.
6772 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
6773 CPP_IN_SYSTEM_HEADER.
6774 * cpplib.c (do_import, do_pragma_once): Likewise.
6775 * cpperror.c (_cpp_begin_message): Test warn_system_headers
6776 and CPP_IN_SYSTEM_HEADER.
6777 * cppinit.c (handle_option): Recognize -Wsystem_headers.
6778 (print_help): Describe -Wsystem_headers.
6779 * cpplex.c (lex_line): Reorganize condition so that warnings
6780 about C++ comments in system headers can be enabled. Remove
6781 label do_line_comment.
6783 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
6785 * cpplex.c (save_comment): Only store the initial '/'
6787 (lex_token): Combine handling of the two comment types.
6788 Pass everything but the initial '/' to save_comment.
6790 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
6792 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
6793 _cpp_can_paste): New library-internal prototypes.
6794 * cpplex.c (dump_param_spelling, output_line_command,
6795 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
6796 cpp_printf, cpp_output_list): Move to cppoutput.c.
6797 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
6798 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
6800 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
6801 dump_param_spelling, output_line_command, cpp_scan_buffer,
6802 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
6804 * Makefile.in: Add cppoutput.c.
6805 * po/POTFILES.in: Add cppoutput.c.
6807 2000-09-25 Richard Henderson <rth@cygnus.com>
6809 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
6810 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
6811 split until after reload.
6812 (rotlsi3, rotldi3): New.
6814 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
6816 * diagnostic.c (output_last_position): Define.
6817 (set_real_maximum_length): Tweek.
6818 * diagnostic.h (output_last_position): Declare.
6820 2000-09-25 Kazu Hirata <kazu@hxi.com>
6822 * config/i386/i386.c: Fix formatting.
6824 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
6826 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
6827 UNITS_PER_WORD is small.
6829 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
6831 * c-common.c (format_char_info): Add flags2; update comments.
6832 (print_char_table, scan_char_table, time_char_table): Split some
6833 flags out into flags2.
6834 (check_format_info): Use flags2 for those flags, for identifying
6835 the initial character of a scanf scanset, and for identifying
6836 printf formats where the '0' flag is ignored with precision.
6838 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
6840 Changes below marked "here" add TABs on either or both sides,
6841 covering start of line, up to any operand for all noted .*ASM.*_OP
6842 definitions. All callers changed.
6843 * tm.texi: Make documented *_ASM.*_OP:s include spacing
6844 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
6845 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
6846 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
6847 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
6848 Fix typos in description for LONG_LONG_TYPE_SIZE and
6849 FINI_SECTION_ASM_OP.
6850 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
6851 why these defaults don't have leading spacing.
6852 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
6853 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6854 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
6855 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
6856 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
6857 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
6858 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
6859 * varasm.c (ASM_STABS_OP): Here.
6860 * xcoffout.h (ASM_STABS_OP): Here.
6861 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
6862 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
6863 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
6864 STRING_ASM_OP): Here.
6865 * config/freebsd.h (IDENT_ASM_OP): Here.
6866 * config/linux-aout.h (SET_ASM_OP): Here.
6867 * config/linux.h (SET_ASM_OP): Here.
6868 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6870 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
6871 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
6872 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
6873 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6875 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
6876 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
6877 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
6878 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
6879 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
6880 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6881 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
6882 * config/a29k/udi.h (INT_ASM_OP): Here.
6883 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
6884 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
6886 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
6887 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6888 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6889 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
6890 ASM_STABD_OP): Here.
6891 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
6892 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
6893 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6894 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
6895 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
6896 SIZE_ASM_OP, STRING_ASM_OP): Here.
6897 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
6898 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
6899 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
6900 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
6901 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
6902 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
6904 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6905 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
6906 * config/arm/coff.h (INT_ASM_OP): Here.
6907 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
6908 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
6909 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
6910 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
6911 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
6912 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6913 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
6914 STRING_ASM_OP): Here. Update documentation copy in comments.
6915 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
6916 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
6917 DATA_SECTION_ASM_OP): Here.
6918 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
6920 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
6921 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
6922 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6923 BSS_SECTION_ASM_OP): Here.
6924 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6925 BSS_SECTION_ASM_OP): Here.
6926 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6928 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
6929 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
6930 * config/h8300/h8300.h (ASM_WORD_OP): Here.
6931 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6932 BSS_SECTION_ASM_OP): Here.
6933 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
6934 * config/i386/bsd.h (ASM_BYTE_OP): Here.
6935 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
6936 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
6937 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
6939 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
6940 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
6942 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
6943 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6944 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
6945 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
6947 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
6948 * config/i386/netbsd.h (INT_ASM_OP): Here.
6949 * config/i386/openbsd.h (INT_ASM_OP): Here.
6950 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
6951 IDENT_ASM_OP): Here.
6952 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
6953 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
6954 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
6955 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
6956 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
6957 SHARED_BSS_SECTION_ASM_OP): Here.
6958 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
6959 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
6960 DATA_SECTION_ASM_OP): Here.
6961 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6962 CONST_SECTION_ASM_OP): Here.
6963 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
6964 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6965 BSS_SECTION_ASM_OP): Here.
6966 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
6967 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
6968 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
6969 BSS_ASM_OP): Here, but use trailing spaces.
6970 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
6971 DATA_SECTION_ASM_OP): Here.
6972 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
6974 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
6975 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
6976 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6977 TDESC_SECTION_ASM_OP): Here.
6978 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
6979 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6980 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6982 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6983 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
6984 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6985 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
6986 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
6987 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
6988 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6989 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
6990 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
6991 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
6992 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
6993 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
6995 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
6996 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6997 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
6998 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
6999 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
7000 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
7001 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
7002 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7003 GLOBAL_ASM_OP): Here.
7004 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
7005 BSS_SECTION_ASM_OP): Here.
7006 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
7007 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7008 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
7009 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
7011 * config/m68k/newsgas.h (SET_ASM_OP): Here.
7012 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
7013 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
7014 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
7015 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
7016 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
7017 but use trailing spaces.
7018 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
7019 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
7020 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
7022 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
7023 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
7024 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7025 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
7026 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7027 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
7028 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
7029 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
7030 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
7031 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
7032 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7033 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
7035 * config/m88k/openbsd.h (SET_ASM_OP): Here.
7036 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7037 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
7038 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
7039 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
7040 DTORS_SECTION_ASM_OP): Here.
7041 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
7042 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
7043 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
7044 BSS_SECTION_ASM_OP): Here.
7045 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
7046 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
7047 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
7048 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
7049 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
7050 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
7051 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
7052 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
7054 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
7056 * config/mips/osfrose.h (SET_ASM_OP): Here.
7057 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
7058 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
7059 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
7060 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7062 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
7063 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
7064 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
7065 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
7066 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
7067 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7069 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7071 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
7072 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
7073 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
7075 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
7076 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
7077 * config/sparc/linux.h (COMMON_ASM_OP): Here.
7078 * config/sparc/linux64.h (COMMON_ASM_OP,
7079 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
7080 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
7081 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
7082 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
7083 * config/sparc/pbd.h (ASM_INT_OP): Here.
7084 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
7085 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
7086 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
7087 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
7088 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
7089 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
7090 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
7091 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
7092 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
7093 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7094 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
7095 EH_FRAME_SECTION_ASM_OP): Here.
7096 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
7097 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7099 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7101 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
7102 TCOMMON_ASM_OP): Here.
7103 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7105 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7108 2000-09-25 Richard Henderson <rth@cygnus.com>
7110 * expmed.c (store_bit_field): Adjust last change to not consider
7111 any word-sized field naturally aligned.
7113 2000-09-24 Richard Henderson <rth@cygnus.com>
7115 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
7116 TFmode unordered compares properly. Revalidate integer compare
7118 (alpha_emit_setcc): New.
7119 (alpha_emit_conditional_move): Revalidate integer compare operands.
7120 * config/alpha/alpha-protos.h: Update.
7121 * config/alpha/alpha.md (cmpdi): Allow general operands.
7122 (sne): Use alpha_emit_setcc.
7123 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
7124 (sunordered, sordered): New.
7126 2000-09-24 Richard Henderson <rth@cygnus.com>
7128 * config/ia64/ia64-protos.h: Update.
7129 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
7130 (ia64_expand_call): New.
7131 (ia64_expand_prologue): Emit an alloc if we need extra input
7133 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
7134 instruction if true.
7135 (struct reg_flags): Add is_sibcall.
7136 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
7137 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
7138 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
7139 * config/ia64/ia64.h (PREDICATE_CODES): Update.
7140 * config/ia64/ia64.md (call): Use ia64_expand_call.
7141 (call_value): Likewise.
7142 (sibcall, sibcall_value): New.
7143 (call patterns): Remove extra expanders; tidy.
7144 (sibcall_epilogue): New.
7145 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
7147 2000-09-24 Richard Henderson <rth@cygnus.com>
7149 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
7151 * sibcall.c (skip_pic_restore): New.
7152 (identify_call_return_value): Use it.
7154 2000-09-24 Mark Mitchell <mark@codesourcery.com>
7156 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
7157 functions. Generalize to handle both C and C++.
7158 * Makefile.in (c-tree.info): New target.
7159 (info): Add c-tree.info.
7161 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7163 * expr.c (store_field): If BITSIZE is negative, use size of type.
7164 (expand_expr, case COMPONENT_EXPR): Likewise.
7166 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
7168 * cpplex.c: Update TODO comment.
7169 * cpplib.c (do_error, do_warning): Merge common code of
7170 do_error and do_warning into do_diagnostic. Use it.
7171 (do_diagnostic): New function.
7172 * cpplib.h: Fix comment typo.
7174 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
7176 * c-common.c (check_format_info): Warn for a wide character string
7177 used as a non-wide format argument.
7179 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
7181 * builtins.def (BUILT_IN_LLABS): Add.
7182 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
7183 * c-common.c (c_common_nodes_builtins): Create builtin functions
7184 __builtin_llabs, and plain llabs unless no_nonansi_builtins
7185 outside of C99 mode.
7186 (expand_tree_builtin): Handle BUILT_IN_LLABS.
7188 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
7190 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
7191 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
7192 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
7193 _cpp_free_toklist): No need to worry about extra dummy token
7194 at the start of token lists any more.
7195 (trigraph_ok): Only warn outside comments.
7196 (skip_block_comment): Set and clear lexing_comment.
7197 (skip_line_comment): Take a cpp_reader not cpp_buffer.
7198 Set and clear lexing_comment.
7199 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
7200 (check_long_token): Delete.
7201 (lex_percent, lex_dot): New subroutines of lex_token to
7202 handle lexing of '.' and '%' without lookback.
7203 (lex_token): Use lex_dot and lex_percent.
7204 (lex_line): Don't check for LIST_OFFSET.
7205 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
7206 * cpplib.c (_cpp_parse_assertion): Similarly.
7207 (cpp_push_buffer): Initialize extra_char.
7208 * cpplib.h (LIST_OFFSET): Delete.
7209 (struct cpp_buffer): New member extra_char.
7210 (struct lexer_state): New members lexing_comment and seen_dot.
7212 2000-09-23 Jason Merrill <jason@redhat.com>
7214 * config/rs6000/x-aix41 (CLIB): Define here.
7215 * config/rs6000/t-aix43: Not here.
7216 * config/rs6000/t-aix41: Or here. Remove.
7217 * configure.in: Don't use it.
7219 2000-09-22 Jason Merrill <jason@redhat.com>
7221 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
7222 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
7223 * config.in: Regenerate.
7225 * configure.in: Fix checks for assembler features when using a
7226 one-tree assembler that has not yet been built.
7227 Fix --disable-threads.
7229 2000-09-19 Geoff Keating <geoffk@cygnus.com>
7231 * stmt.c (expand_asm_operands): Allow # in constraints.
7233 2000-09-22 Jason Merrill <jason@redhat.com>
7235 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
7237 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
7238 function-local names.
7240 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
7241 Mark Mitchell <mark@codesourcery.com>
7243 * toplev.c (warn_disabled_optimization): Declare new warning flag.
7244 * flags.h (warn_disabled_optimization): Add it here.
7245 * gcse.c (gcse_main): Add warning when disabled.
7246 * invoke.texi: Document -Wdisabled-optimization.
7248 2000-09-21 Jason Merrill <jason@redhat.com>
7250 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
7252 * dwarf2out.c (tree_add_const_value_attribute): New fn.
7253 (gen_variable_die): Call it for non-definitions.
7255 * dwarf2out.c (die_struct): Add die_mark field.
7256 (mark_dies, unmark_dies): New fns.
7257 (clear_die_sizes): Remove.
7258 (print_die): Check die_symbol rather than die_offset.
7259 (build_abbrev_table, output_pubnames, output_aranges): Check
7260 die_mark rather than die_offset.
7261 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
7264 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
7266 * cppfiles.c (lookup_include_file): Rename to open_file.
7267 Always create a splay tree value, even on syscall failures.
7268 Negative entries indicated by fd == -2.
7269 Re-open files closed in the meantime.
7270 (_cpp_fake_include): Create a negative splay tree entry.
7271 (find_include_file, cpp_read_file): Update for function name
7273 * gcc.gd/cpp/mi4.c: Testcase.
7275 2000-09-21 Nick Clifton <nickc@redhat.com>
7277 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
7278 ARM and THUMB modes.
7280 * config/mcore/mcore.c: Fix compile time warnings.
7281 * config/mcore/mcore-protos.h: Fix compile time warnings.
7283 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7285 * configure.in: Correct test of gcc_cv_glibc.
7286 * configure: Rebuilt.
7287 * config.in: Rebuilt.
7289 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7291 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
7292 (expand_builtin): Handle BUILT_IN_FWRITE.
7294 * builtins.def (BUILT_IN_FWRITE): New entry.
7296 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
7298 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7300 * gcc.c (modify_target): New variable and struct.
7301 (process_command): Handle MODIFY_TARGET_NAME.
7302 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
7303 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
7305 * c-decl.c (finish_decl): Add else's to avoid referencing
7306 TYPE_DOMAIN of an ERROR_MARK.
7308 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
7310 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
7313 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
7315 * config/avr/avr.md (neghi2): Add alternative for input and output
7316 operands in different registers, as in negsi2.
7317 (*negsi2): Remove '*' from the name. Use "movw" if available.
7319 2000-09-19 Jim Wilson <wilson@cygnus.com>
7321 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
7322 HAVE_GAS_HIDDEN macro.
7324 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
7326 * cpplex.c (lex_line): Drop the EOF token for unknown
7327 directives in assembler.
7329 2000-09-19 David Edelsohn <edelsohn@gnu.org>
7331 * configure.in: Allow enable_threads_flag value of "aix". Define
7332 thread_file as "aix" for AIX 4.3 and above.
7333 * configure: Regenerated.
7335 * gthr-aix.h: New file.
7337 * rs6000/t-aix43: Replace soft-float multilib with pthread.
7338 Remove 403 processor multilib match. Fix rios2 processor multilib
7341 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
7342 to return to appropriate csect.
7344 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7346 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
7348 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
7349 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
7352 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
7355 * c-common.c (init_function_format_info): Handle __builtin_printf.
7356 Set `check_function_format_ptr'.
7357 (c_common_nodes_and_builtins): Set `puts_ftype' and
7358 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
7359 __builtin_printf and printf.
7361 * tree.c, tree.h (check_function_format_ptr): Declare.
7363 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
7365 * cppfiles.c (read_include_file): Take no special action for
7368 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
7370 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
7371 rather than that of branch.
7372 (shorten_branches): Don't increment insn_current_address twice.
7374 Undo most of the Wed Jan 27 23:39:53 1999 patch:
7375 * loop.h (struct induction): Delete members derived, ix and last_use.
7376 (struct loop_ivs): Delete members first_increment_giv and
7378 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
7379 recombine_givs): Delete functions.
7380 (find_and_verify_loops): Don't initialize cont_dominator.
7381 (strength_reduce): Lose code to try to find bivs that can be
7382 expressed as givs of another biv, and to convert biv increments
7384 Lose loop_scan_start variable, always use loop->scan_start.
7385 Don't call recombine_givs. Don't handle derived givs.
7386 (record_giv): Don't initialize derived and last_use fields.
7387 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
7389 * unroll.c (derived_regs): Delete static variable.
7390 (unroll_loop): Don't initialize it.
7391 (copy_loop_body): Lose code to handle derived givs.
7392 (find_splittable_givs): Don't check for givs made from biv
7394 Don't set derived_regs.
7396 Fix misapplied earlier patch:
7397 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
7399 (floatsisf2): Generate floatsisf_ie by default.
7400 (floatsisf_i4): Conditional on TARGET_SH4.
7402 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
7403 predicate for the expanders.
7405 2000-09-19 Richard Henderson <rth@cygnus.com>
7407 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
7408 in addition to pentium and pentiumpro symbols.
7409 (CPP_CPU_DEFAULT_SPEC): Likewise.
7411 * c-typeck.c (c_expand_asm_operands): Restore the output tree
7414 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
7415 if the tree has side effects.
7416 (warn_if_unused_value): Do not warn about void constructs.
7418 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
7420 * unroll.c (copy_loop_body): Update LABEL_NUSES before
7421 calling invert_jump.
7423 2000-09-18 Geoff Keating <geoffk@cygnus.com>
7425 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
7428 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7430 * Makefile.in (c-common.o): Depend on diagnostic.h.
7432 * c-common.c: Include diagnostic.h.
7434 (status_warning): New function.
7435 (check_format_info, maybe_read_dollar_number, check_format_types,
7436 finish_dollar_format_checking, check_function_format): Accept a
7437 `status' parameter. All callers changed.
7439 * c-common.h (check_function_format): Accept a `status' parameter.
7441 * c-typeck.c: Update call to `check_function_format'.
7443 2000-09-18 Richard Henderson <rth@cygnus.com>
7445 * c-decl.c (c_expand_body): Call mark_varargs before
7446 expand_function_start.
7448 2000-09-18 Geoff Keating <geoffk@cygnus.com>
7450 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
7451 * config/rs6000/eabi-ci.asm: Likewise.
7453 2000-09-18 Richard Henderson <rth@cygnus.com>
7455 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
7458 2000-09-18 Jim Wilson <wilson@cygnus.com>
7460 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
7461 before passing it to fold_rtx_mult_add.
7463 * unroll.c (final_giv_value): Pass increment through
7464 extend_value_for_giv before passing it to emit_iv_add_mult.
7466 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
7467 paradoxical subreg, then directly substitute the replacement and
7470 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
7472 * cpp.texi: Update documentation, including some clarifications,
7473 the treatment of various newline combinations, and space between
7474 backslash and newline.
7476 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
7478 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
7479 Replace ASM_OUTPUT_LABELREF with assemble_name.
7481 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
7483 * sh.c (addsubcosts): CONST is not cheap.
7484 (find_barrier): For Sh1, take alignment after jumps into account.
7486 2000-09-15 Andrew Haley <aph@redhat.com>
7488 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
7489 remove all SETs of SUBREGs of hard registers.
7490 * function.c (purge_hard_subreg_sets): New function.
7491 (purge_single_hard_subreg_set): New function.
7492 * rtl.h: (purge_hard_subreg_sets): New function.
7494 2000-09-18 Richard Henderson <rth@cygnus.com>
7496 * config/ia64/ia64-protos.h: Update.
7497 * config/ia64/ia64.c (signed_inequality_operator): New.
7498 (ia64_expand_compare): New.
7499 (ia64_register_move_cost): Handle PR_REGS moves.
7500 (ia64_secondary_reload_class): Require a GR when moving to a PR.
7501 (struct reg_write_state): Add written_by_and/or.
7502 (struct reg_flags): Add is_and/or.
7503 (rws_update): Set them.
7504 (rws_access_regno): Test them to allow parallel comparisons.
7505 (rtx_needs_barrier): Recognize parallel comparisons.
7506 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
7507 Call recog_memoized; ignore pred_rel_mutex.
7508 (emit_predicate_relation_info): Don't call find_basic_blocks here.
7509 (ia64_reorg): Do it here instead.
7510 * config/ia64/ia64.h: s/CCmode/BImode/g
7511 (MODES_TIEABLE_P): Don't tie BImode.
7512 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
7513 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
7514 (RTX_COSTS): Make multiply 4 insns.
7515 (MEMORY_MOVE_COST): New.
7516 (PREDICATE_CODES): Update.
7517 * config/ia64/ia64.md: s/CCmode/BImode/g
7518 (movcci, movbi): New.
7519 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
7520 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
7521 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
7522 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
7523 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
7524 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
7525 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
7526 (mulsi, muldi): Use xmpy not xma.
7528 (movcc, movcc_internal): Remove.
7529 (branch expanders): Use ia64_expand_compare.
7530 (setcc expanders): Likewise.
7531 (cmov insns): Use move_operand and ia64_move_ok.
7532 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
7533 scheduler from moving it past a use.
7534 * config/ia64/build.hacks: Remove.
7536 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
7538 * cpphash.h (HASHSTEP): Take character rather than pointer
7540 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
7542 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
7544 * cpplex.c (auto_expand_name_space, trigraph_replace,
7545 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
7546 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
7547 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
7548 KNOWN_DIRECTIVE): Delete.
7550 (handle_newline, check_long_token, skip_escaped_newlines,
7551 unterminated): New functions.
7552 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
7554 (parse_identifier): Was parse_name, new implementation.
7555 (skip_line_comment, skip_block_comment, skip_whitespace,
7556 parse_number, parse_string, trigraph_ok, save_comment,
7557 adjust_column, _cpp_get_line): New implementations.
7559 (lex_token): New function. Lexes a token at a time, looking
7560 forwards. Contains most of the guts of the old lex_line.
7561 (lex_line): New implementation, using lex_token to obtain
7563 (cpp_scan_buffer): Use the token's line, not the list's line.
7565 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
7566 New implementations.
7567 (do_assert): Don't bother setting the answer's list's line.
7568 (cpp_push_buffer): Initialise new pfile and read_ahead members
7569 of struct cpp_buffer.
7571 * cpplib.h (cppchar_t): New typedef.
7572 (struct cpp_buffer): read_ahead, pfile and col_adjust are
7574 (struct lexer_state): New structure that determines the state
7575 and behaviour of the lexer.
7576 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
7577 (struct cpp_reader): New member "state". Rename
7578 multiline_string_line and multiline_string_column. Delete
7579 col_adjust, in_lex_line members.
7580 (CPP_BUF_COLUMN): Update.
7582 2000-09-18 Richard Henderson <rth@cygnus.com>
7584 * combine.c (simplify_comparison): Shift a NOT out of a single
7587 * combine.c (if_then_else_cond): Canonicalize BImode true to
7589 * explow.c (trunc_int_for_mode): Likewise.
7591 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
7592 the NOT for De Morgan's rule.
7593 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
7594 of a comparison to the reverse comparison.
7596 * combine.c (try_combine): Allow split to create a single insn.
7598 * machmode.def: Add BImode. Add a column for bitsize.
7599 * machmode.h (DEF_MACHMODE): Adjust for extra column.
7600 (GET_MODE_BITSIZE): Use it.
7601 * rtl.c (DEF_MACHMODE): Adjust for extra column.
7602 (mode_bitsize): New.
7603 (mode_mask_array): Use bitsize.
7604 * combine.c (combine_simplify_rtx): Require inner and outer
7605 modes to match on nonzero_bits optimizations.
7607 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
7609 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
7610 its entry in spill_reg_store.
7611 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
7612 * sh.c (reg_no_subreg_operand): New function.
7613 * sh-protos.h (reg_no_subreg_operand): Declare it.
7614 * sh.h (PREDICATE_CODES): Add it.
7615 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
7616 input operand that needs to be in fpul.
7617 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
7618 * sh.c (find_barrier): Take into account that machine_dependent_reorg
7619 might add new insns.
7621 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
7623 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
7625 (sh_expand_epilogue): Take the PIC register into account when
7626 computing the frame size.
7628 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
7629 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
7630 LABEL_REFs with a PIC-safe unspec.
7632 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
7634 * c-common.c (check_format_info): Properly save the argument
7635 number and parameter for $ operand number formats in case width
7636 and precision arguments are also used. Allow printf width and
7637 precision arguments to have operand numbers even if none was
7638 specified for the main format, since this is OK for %*.*m. Only
7639 object to missing $ operand number if the format used requires an
7642 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
7644 * c-common.c (format_char_info): Add 'W' flag to comment.
7645 (print_char_table, scan_char_table): Use it.
7646 (check_format_info): Use the 'W' flag to determine whether a
7647 format argument is written into.
7649 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
7651 * c-common.c (check_format_types): Reorganise and clean up,
7652 checking earlier for ERROR_MARKs and making cur_type into its
7653 TYPE_MAIN_VARIANT where convenient.
7655 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
7657 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
7659 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
7661 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
7663 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
7664 * i386.c (struct builtin_description): New.
7665 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
7666 (mmx_reg_operand): Declare MODE arg as unused.
7667 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
7668 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
7669 ix86_expand_binop_builtin, ix86_expand_store_builtin,
7670 ix86_init_builtins, ix86_expand_builtin): New functions.
7671 * i386.h (ix86_builtins): New enumeration.
7672 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
7673 * i386.md (attr length_immediate): 0 for mmx/sse types.
7674 (attr prefix_0f): 1 for mmx/sse types.
7675 (setcc_2): Remove "*" so we get gen_setcc_2.
7676 (emms): Account for changed register numbering. Set "memory" attr
7678 (sfence): Set "memory" attr to unknown.
7680 2000-09-18 Andreas Jaeger <aj@suse.de>
7682 * configure.in: Define _GNU_SOURCE only when using the GNU C
7684 * configure: Regenerated.
7685 * config.in: Regenerated.
7687 2000-09-17 Mark Mitchell <mark@codesourcery.com>
7689 * cppinit.c (cpp_init): Don't use ANSI prototypes.
7690 * flow.c (flow_dump_loop): Likewise.
7691 (flow_loops_dump): Likewise.
7693 * c-typeck.c (c_start_case): Fix typo.
7695 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
7697 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
7698 to int for plain complex which defaults to complex double. Do
7699 warn about defaulting to complex double if pedantic. Warn about
7700 complex integer types if pedantic. Warn about complex types if
7701 pedantic and not in C99 mode.
7702 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
7703 for complex conjugation.
7705 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
7707 * contrib.texi: Update my entry.
7709 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
7711 * config/avr/avr.md (mcu_enhanced): New attribute.
7712 (mcu_mega): Likewise.
7713 (extendhisi2): Use mcu_enhanced.
7714 (zero_extendhisi2): Likewise.
7715 (call_insn): Use mcu_enhanced and mcu_mega.
7716 (call_value_insn): Likewise.
7717 (*sbrx_branch): Use mcu_mega.
7718 (*sbrx_and_branchsi): Likewise.
7719 (*sbrx_and_branchhi): Likewise.
7720 (*tablejump_lib): Likewise.
7722 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7724 * alias.c (true_dependence): Allow non-unchanging read to conflict
7725 with unchanging write.
7727 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
7728 (store_constructor): Pass alias_set to it.
7730 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
7731 TYPE_MAIN_VARIANT of ERROR_MARK.
7732 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
7734 * simplify-rtx.c (simplify_unary_operation): Add cases
7735 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
7737 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
7739 * expr.h (emit_library_call, emit_library_call_value): Delete
7741 * rtl.h (enum libcall_type): New.
7742 (emit_library_call, emit_library_call_value): Change fn_type arg to
7743 be of type enum libcall_type.
7744 * calls.c: Likewise for the function definitions. Several callers
7745 throughout changed to use the new enumeration appropriately.
7746 (emit_library_call_value_1): Likewise. Put back code to make libcall
7747 blocks of equal form, but only use it for the two new higher
7750 2000-09-16 Mark Mitchell <mark@codesourcery.com>
7752 Convert the C front-end to use function-at-a-time mode.
7753 * c-common.h: Include splay-tree.h.
7754 (C_DECLARED_LABEL_FLAG): New macro.
7755 (struct language_function): Add x_scope_stmt_stack and
7756 x_function_name_declared_p.
7757 (RECHAIN_STMTS): Move definition.
7758 (lang_statment_code_p): Likewise.
7759 (lang_expand_stmt): Likewise.
7760 (lang_expand_decl_stmt): New variable.
7761 (lang_expand_function_end): Likewise.
7762 (current_scope_stmt_stack): New function.
7763 (add_decl_stmt): Likewise.
7764 (add_scope_stmt): Likewise.
7765 (mark_stmt_tree): Likewise.
7766 (struct c_lang_decl): New structure.
7767 (DECL_SAVED_TREE): Define.
7768 (c_mark_lang_decl): New function.
7769 (c_expand_start_cond): Change prototype.
7770 (c_finish_then): New function.
7771 (c_finish_else): Likewise.
7772 (current_function_name_declared): Remove.
7773 (set_current_function_name_declared): Likewise.
7774 (mark_c_language_function): Declare.
7775 (case_compare): Likewise.
7776 (c_add_case_label): Likewise.
7777 (c_expand_expr): Likewise.
7778 (c_safe_from_p): Likewise.
7779 * c-common.c (lang_expand_function_end): New variable.
7780 (struct if_elt): Add if_stmt.
7781 (c_expand_start_cond): Add the if-statement to the statement-tree,
7782 rather than generating RTL.
7783 (c_finish_then): New function.
7784 (c_expand_start_else): Don't generate RTL.
7785 (c_finish_else): New function.
7786 (c_expand_expr_stmt): Don't generate RTL.
7787 (statement_code_p): Add SCOPE_STMT.
7788 (case_compare): New function.
7789 (c_add_case_label): Likewise.
7790 (mark_stmt_tree): Likewise.
7791 (c_mark_lang_decl): Likewise.
7792 (mark_c_language_function): Likewise.
7793 (c_expand_expr): Likewise.
7794 (c_safe_from_p): Likewise.
7795 * c-decl.c (c_stmt_tree): New variable
7796 (c_scope_stmt_stack): Likewise.
7797 (c_function_name_declared_p): Likewise.
7798 (lang_expand_expr_stmt): Remove.
7799 (poplevel): Don't call output_inline_function for nested
7801 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
7803 (redeclaration_error_message): Change means of computing whether
7804 or not a function is nested.
7805 (lookup_label): Don't call label_rtx.
7806 (init_decl_processing): Add more GC roots.
7807 (start_decl): Add DECL_STMTs to the statement-tree, rather than
7808 calling rest_of_decl_compilation.
7809 (finish_decl): Don't call expand_decl.
7810 (store_parm_decls): Begin the statement-tree, but don't generate
7812 (finish_function): Tie off the statement-tree. Call c_expand_body
7814 (c_expand_body): New function.
7815 (push_c_function_context): Save more information.
7816 (pop_c_function_contxt): Likewise.
7817 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
7818 (lang_mark_tree): Mark it.
7819 (current_stmt_tree): Adjust.
7820 (current_scope_stmt_stack): New function.
7822 (set_current_name_declared): Likewise.
7823 (c_begin_compound_stmt): Define.
7824 (c_expand_decl_stmt): Likewise.
7825 * c-lang.c: Include rtl.h and expr.h.
7826 (lang_init): Set more language-specific hooks.
7827 * c-lex.c: Include expr.h.
7828 * c-parse.in: Changes throughout to add statements to the
7829 statement-tree, rather than generating RTL after every statement.
7830 * c-semantics.c (lang_expand_decl_stmt): Define.
7831 (add_decl_stmt): New function.
7832 (add_scope_stmt): Likewise.
7833 (finish_stmt_tree): Tweak.
7834 (genrtl_expr_stmt): Likewise.
7835 (genrtl_decl_stmt): Handle local labels, and call
7836 lang_expand_decl_stmt if required.
7837 (genrtl_for_stmt): Fix line-number handling.
7838 (genrtl_case_label): Handle cleanups.
7839 (genrtl_asm_stmt): Don't call combine_strings.
7840 (genrtl_compound_stmt): Simplify.
7841 (expand_stmt): Handle SCOPE_STMTs.
7842 * c-tree.h (struct lang_decl): New structure.
7843 (C_DECLARED_LABEL_FLAG): Remove.
7844 (c_begin_compound_stmt): Declare.
7845 (c_expand_decl_stmt): Likewise.
7846 (c_expand_start_case): Rename to c_start_case.
7847 (c_finish_case): New function.
7848 * c-typeck.c (start_init): Tweak setting of
7849 constructor_incremental.
7850 (c_expand_asm_operands): Tweak error-handling. Add to the
7852 (c_expand_return): Add to the statement-tree.
7853 (c_expand_start_case): Rename to ...
7854 (c_start_case): ... this.
7855 (struct c_switch): New type.
7856 (switch_stack): New variable.
7857 (do_case): Simplify.
7858 (c_finish_case): New function.
7859 * dependence.c: Include expr.h.
7860 (enum dependence_type): Change spelling of enumerals.
7861 (check_node_dependence): Adjust.
7862 * expr.h (lang_safe_from_p): Declare.
7863 (safe_from_p): Likewise.
7864 * expr.c (lang_safe_from_p): New variable.
7865 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
7866 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
7867 * toplev.c (rest_of_decl_compilation): Robustify.
7868 * tree.c (contains_placeholder_p): Likewise.
7869 * Makefile.in: Update dependencies.
7870 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
7871 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
7872 (objc_expand_function_end): New function.
7873 (finish_method_def): Use it.
7874 (init_objc): Initialize more language-specific hooks.
7875 * objc/Make-lang.in: Update dependencies.
7877 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
7879 * configure.in: Define macros that affect features before
7880 testing for features. Don't define _XOPEN_SOURCE.
7881 * configure: Regenerated.
7882 * config.in: Regenerated.
7884 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
7886 * rtlanal.c (rtx_varies_p): Volatile asms vary.
7887 (rtx_unstable_p): Restructure code. Volatile asms
7890 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7892 * function.h (no_debugging_symbols): New field.
7893 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
7894 Initialize no_debugging_symbols.
7895 (output_inline_function): Save and restore write_symbols and set from
7896 no_debugging_symbols.
7897 * toplev.c (rest_of_compilation): Call save_for_inline.
7898 * tree.h: Update comment.
7900 * stor-layout.c (place_field): Don't do anything if field or
7901 its type are ERROR_MARK.
7903 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
7905 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
7906 (read_include_file): Ensure inc->mmaped is initialized.
7908 2000-09-16 Richard Henderson <rth@cygnus.com>
7910 * cppiles.c (purge_cache): Use PTR not caddr_t.
7912 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
7914 * gcc.c: In description for %{<S}, say the option removed is -S.
7915 * invoke.texi (Spec Files): Ditto.
7917 2000-09-16 Andreas Jaeger <aj@suse.de>
7919 * configure.in: Always define _GNU_SOURCE to make interfaces
7920 visible that were hidden by only defining _GNU_SOURCE.
7921 * configure: Regenerated.
7923 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
7925 * cpplex.c (push_macro_context): Set an argument's level after
7926 calling parse_args. We could loop infinitely otherwise.
7928 2000-09-15 Tom Tromey <tromey@cygnus.com>
7930 * configure, config.in: Rebuilt.
7931 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
7933 2000-09-15 Greg McGary <greg@mcgary.org>
7935 * cppmacro.c (check_trad_stringification): Check token
7936 text pointers against limit before dereferencing.
7938 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
7940 * c-common.c (format_wanted_type): New structure.
7941 (check_format_types): New function.
7942 (check_format_info): Pass all checking of types of format
7943 arguments, including width and precision arguments, to this new
7946 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7948 * BUGS: Remove file.
7950 2000-09-15 Jakub Jelinek <jakub@redhat.com>
7952 * config/alpha/alpha.c (override_options): ev6 cache latencies
7953 from Richard Henderson. Don't allow -mmemory-latency=L0.
7955 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
7956 (TARGET_OPTIONS): Add tune=.
7957 (alpha_tune_string): Declare.
7958 * config/alpha/alpha.c (override_options): Add cpu_table.
7959 Use alpha_cpu_string first to set both alpha_cpu and target_flags
7960 and then alpha_tune_string to set alpha_cpu only.
7961 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
7962 * config/alpha/elf.h (ASM_FILE_START): Likewise.
7963 * config/alpha/osf.h (ASM_FILE_START): Likewise.
7964 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
7966 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
7968 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
7970 (ix86_comparison_operator, ix86_cc_mode): Declare
7971 * i386.h (CCGC, CCGCO): New modes.
7972 (SELECT_CC_MODE): Move offline to ....
7973 * i386.c (ix86_cc_mode): .... here; use new modes.
7974 (ix86_comparison_operator): New.
7975 (fcmov_comparison_operator): Ensure proper mode.
7976 (put_condition_mode): More sanity checking.
7977 (ix86_match_ccmode): Handle new modes.
7978 (ix86_expand_fp_compare): GEU requires CCmode.
7979 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
7981 * i386.md (cmp?i_ccz_1): Remove
7982 (cmp?i_ccno_1): Use ix86_match_ccmode.
7983 (cmp?i_minus_1): New.
7984 (cmpsi_1): New expander.
7985 (cmpqi_ext_1): Use match_ccmode
7986 (cmpqi_ext_3): New expander.
7987 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
7988 (cmpqi_ext_4): Use match_ccmode.
7989 (add?i_?): Use match_ccmode.
7991 (test?i_ccz_1): Remove
7993 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
7994 (testqi_ext_0): Use ix86_match_ccmode.
7995 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
7996 (xorqi_cc_ext_1): New expander.
7997 (shift patterns): Use CCGOCmode for all shifts except for sar.
7998 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
7999 (setcc_3, jcc_3, miv?icc_c): Remove.
8001 2000-09-15 Will Cohen <wcohen@redhat.com>
8003 * dwarf2out.c (add_const_value_attribute): Changed array into a
8004 xmalloced object, so it exists after function exit.
8005 (free_AT): Added case for dw_val_class_float to free allocated
8008 2000-09-15 Kazu Hirata <kazu@hxi.com>
8010 * config/i386/i386.md: Fix a comment typo.
8011 * gcc.c: Fix formatting.
8013 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
8015 * optabs.c (emit_libcall_block): If target is a user variable,
8016 copy to a temporary first.
8017 * expr.c (convert_move): When generating a libcall, make a libcall
8019 * calls.c (emit_library_call_value_1): Don't create a libcall
8020 sequence here; our caller will in most cases do it.
8022 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
8024 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
8025 * sh.md (reload_outsf): Generate recognizable patterns for
8027 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
8028 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
8029 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
8030 truncdfsf2_i4): Change not to use explicit references to fpul.
8031 (floatsisf2_ie): Remove USE of fpscr.
8032 (floatsisf2): Change default expansion to match this.
8033 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
8036 2000-09-15 Richard Henderson <rth@cygnus.com>
8038 * expmed.c (store_bit_field): Consider naturally aligned
8039 memory for direct reference.
8041 2000-09-15 Richard Henderson <rth@cygnus.com>
8043 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
8044 AND addresses into alias set 0.
8045 (alpha_expand_unaligned_store): Likewise.
8046 (alpha_expand_unaligned_load_words): Likewise.
8047 (alpha_expand_unaligned_store_words): Likewise.
8049 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
8051 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
8052 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
8054 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
8055 rsize of UNITS_PER_WORD.
8057 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
8059 * cpplex.c (ON_REST_ARG): Correct the test.
8060 (maybe_paste_with_next): Duplicate a token that fail pasting,
8061 and clear its PASTE_LEFT flag, so that nested pasting attempts
8064 2000-09-14 Richard Henderson <rth@cygnus.com>
8066 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
8067 * cse.c (rtx_cost): Likewise.
8068 * optabls.c (expand_binop): Likewise.
8069 (expand_twoval_binop, prepare_cmp_insn): Likewise.
8070 * regclass.c (copy_cost): Likewise.
8071 * reload1.c (reload_cse_move2add): Likewise.
8073 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
8075 * c-parse.in (reswords): Add _Complex.
8077 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8079 * gcc.1: Delete documentation for -undef preprocessor option.
8081 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
8083 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
8084 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
8085 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
8086 Remove undefine before config/elfos.h.
8087 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
8089 2000-09-14 Kazu Hirata <kazu@hxi.com>
8091 * invoke.texi (H8/300 Options): Add -ms2600.
8092 * config/h8300.c (h8300_init_once): Output an error when -ms2600
8093 is used without -ms.
8094 * config/h8300.h (TARGET_MAC): New.
8095 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
8096 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
8097 machine other than H8/S2600.
8098 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
8101 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
8103 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
8104 pseudos that refer to the original pseudos, not only to their
8105 equivalent memory locations.
8107 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8109 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
8110 when making new MEM.
8112 * Makefile.in (LN): Remove duplicate definition.
8114 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
8116 From Joern Rennecke:
8117 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
8118 on an insn and function_invariant_p returns nonzero for the source,
8119 add a REG_EQUAL note.
8121 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
8123 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
8124 conflict with frame_pointer_rtx.
8126 2000-09-13 Kazu Hirata <kazu@hxi.com>
8128 * loop.c: Fix formatting.
8131 2000-09-13 Richard Henderson <rth@cygnus.com>
8133 * config/ia64/ia64.md (divsf3): New.
8134 (divsf3_internal_lat, divsf3_internal_thr): New.
8135 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
8136 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
8137 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
8138 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
8139 (nmadddf4_alts, nmadddf4_trunc): New.
8140 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
8141 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
8142 (multf3_truncsf_alts, multf3_truncdf_alts): New.
8143 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
8144 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
8145 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
8146 (nmaddtf4_truncdf_alts): New.
8147 (recip_approx): Don't predicate.
8149 2000-09-13 Richard Henderson <rth@cygnus.com>
8151 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
8153 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8155 * flags.h (flag_dump_rtl_in_asm): Declare.
8156 * toplev.c (flag_dump_rtl_in_asm): Define.
8157 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
8158 if -dP is specified.
8159 * rtl.h (print_rtx_head): Declare.
8160 * print-rtl.c (print_rtx_head): Define.
8161 (print_rtx): Print the string pointed to by print_rtx_head
8162 at beginning of each dump line.
8163 (print_rtl): Likewise.
8164 (print_rtl_single): Likewise.
8165 * final.c (final_scan_insn): Dump the insn in the assembly
8167 * gcc.1: Document -dP option.
8168 * invoke.texi (Debugging Options): Likewise.
8170 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8172 * md.texi (Machine Constraints): Document the 68HC11 constraints.
8173 * install.texi (Configurations): Document the 68HC11&68HC12 port.
8174 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
8176 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
8178 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
8179 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
8180 (*clrstrqi): Likewise.
8181 (xorhi3,xorsi3,absqi2): Likewise.
8182 (one_cmplhi2,one_cmplsi2): Likewise.
8183 (addsi3): Two stupid constraint alternatives removed.
8184 (extendhisi2): Use `movw' for enhanced avr cores.
8185 (zero_extendhisi2): Likewise.
8187 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
8189 * alias.c (find_base_term): Use frame_pointer_rtx
8190 when handling an ADDRESSOF.
8192 * cse.c (canon_hash): Handle USE of BLKmode memory.
8193 (cse_insn): Outgoing arguments for a libcall don't
8194 affect any recorded expressions.
8196 2000-09-12 Tom Tromey <tromey@cygnus.com>
8198 * configure, config.in: Rebuilt.
8199 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
8201 2000-09-12 Jakub Jelinek <jakub@redhat.com>
8203 * c-lex.c (lex_string): Use charwidth to compute bytemask.
8204 * expr.c (expand_expr): Don't optimize constant array references
8205 initialized with wide string constants.
8207 2000-09-13 Michael Hayes <mhayes@cygnus.com>
8209 * loop.c (note_set_pseudo_multiple_uses): Correct.
8211 2000-09-12 Jim Wilson <wilson@cygnus.com>
8213 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
8214 else block, and X has side-effects, then fail.
8216 2000-09-12 Greg McGary <greg@mcgary.org>
8218 * config/mips/mips-protos.h
8219 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
8220 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
8221 (PREDICATE_CODES): Add "trap_cmp_op".
8222 * config/mips/mips.c
8223 (trap_cmp_op, mips_gen_conditional_trap): New functions.
8224 * config/mips/mips.md (trap, conditional_trap): New patterns.
8226 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
8228 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
8231 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8233 * builtins.c (built_in_decls): New array.
8234 (expand_builtin_fputs): New function.
8235 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
8237 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
8239 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
8241 * tree.h (built_in_decls): New array.
8243 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
8245 * convex.md: Use "+" instead of "=" for outputs wrapped in a
8247 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
8249 2000-09-12 Kazu Hirata <kazu@hxi.com>
8251 * haifa-sched.c: Fix formatting.
8253 * genattrtab.c: Fix formatting.
8255 * unroll.c: Fix formatting.
8257 2000-09-12 Bruce Korb <bkorb@gnu.org>
8259 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
8260 remove obsolete code
8261 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
8262 * fixinc/fixincl.tpl: make non-exported arrays static scope
8263 * fixinc/fixincl.x: regenerate
8264 * fixinc/fixlib.h: Use PARAMS, not _P_
8265 * fixinc/fixtests.c: make a type for the test proc & use it
8266 * fixinc/server.h: Use PARAMS, not _P_
8268 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8270 * c-typeck.c (process_init_element): Avoid union init warnings on
8271 floating point zero. Don't crash on unions containing structs.
8273 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
8275 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
8276 general_movsrc_operand, and remove CONST_INT from
8277 general_movdst_operand.
8279 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
8281 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
8282 if a reference to non-fixed hardreg is seen. Otherwise, count hard
8283 regs with a higher cost.
8284 (preferrable): Deal with cases where either cost or regcost is
8286 (cse_insn): Use MAX_COST rather than 10000. Always initialize
8288 (COSTS_N_INSNS): Move definition...
8290 (MAX_COST): New macro.
8291 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
8294 2000-09-11 Mark Mitchell <mark@codesourcery.com>
8296 * c-common.h (genrtl_clear_out_block): Remove.
8297 * c-semantics.c (genrtl_clear_out_block): Remove.
8298 (genrtl_while_stmt): Don't call it.
8299 (genrtl_for_stmt): Likewise.
8301 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
8303 * cppfiles.c: Move all default-#defines to top of file.
8304 (open_include_file): Replace by lookup_include_file.
8305 (read_with_read, read_file): Merged into read_include_file.
8306 (stack_include_file, purge_cache): New functions.
8307 (close_cached_fd): Delete.
8308 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
8309 Cache the in-memory buffer, not the file descriptor.
8311 * cpphash.h (struct include_file): Add buffer, st, refcnt,
8313 (xcnew): New utility macro.
8314 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
8315 * cpplib.h (struct cpp_buffer): Remove mapped field.
8317 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
8319 * cpplex.c (parse_string): Accept backslash space newline as a
8321 (lex_line): Likewise.
8322 (_cpp_get_token): Remove hard limit on macro nesting.
8324 2000-09-12 Philipp Thomas <pthomas@suse.de>
8326 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
8327 * configure: Rebuilt.
8329 2000-09-13 Michael Hayes <mhayes@cygnus.com>
8331 * flow.c (split_block): Fix update of registers live at
8334 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
8336 * i386.md (add?i_3, add?i_5): New.
8337 (add?i_4): Rename from add?i_3; Fix compare pattern.
8338 (sub?i_3, xor?i_3, ior?i_3): New.
8340 * genrecog.c (write_tree): Output code to clear insn_extract cache.
8341 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
8342 instead of extract_insn and extract_constrain_insn_cache instead of
8343 extract_insn and constrain_operands.
8344 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
8346 (extract_insn): Clear which_alternative.
8347 (constrain_operands): Set which_alternative to -1 when failed.
8348 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
8351 2000-09-11 Matthew Hiller <hiller@redhat.com>
8353 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
8354 on operand 0 to '+'.
8355 (movstricthi): Likewise.
8357 2000-09-12 Michael Hayes <mhayes@cygnus.com>
8359 * loop.h (LOOP_IVS): New macro.
8360 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
8361 (struct loop_ivs): New.
8362 (struct loop_info): Add ivs field.
8363 (reg_iv_type, reg_iv_info): Delete prototype.
8364 (reg_biv_class, loop_iv_list): Likewise.
8365 * loop.c (record_biv, find_life_end): Pass loop argument.
8366 (reg_iv_type): Remove global array and use
8367 field in loop_regs structure within loop_ivs structure.
8368 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
8369 (first_increment_giv, last_increment_giv): Use entry in
8371 (record_initial): Pass ivs pointer.
8372 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
8374 2000-09-12 Michael Hayes <mhayes@cygnus.com>
8376 * loop.h (LOOP_REGS): New macro.
8377 (struct loop_regs): New.
8378 (struct loop_info): Add regs field.
8379 * loop.c (set_in_loop): Remove global array and store
8380 in loop_regs structure as part of loop_info structure.
8381 (n_times_set, may_not_optimize): Likewise.
8382 (reg_single_usage, moved_once): Likewise.
8383 (count_one_set): Add regs argument.
8384 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
8385 (set_pseudo_multiple_uses): Pass regs pointer.
8387 2000-09-12 Michael Hayes <mhayes@cygnus.com>
8389 * unroll.c (iteration_info): Subsume into loop_iterations.
8390 * loop.h (loop_info): New field iv.
8392 2000-09-12 Michael Hayes <mhayes@cygnus.com>
8394 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
8395 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
8396 (flow_loops_update): New prototype.
8397 (flow_loops_find): Add flags to prototype.
8398 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
8399 * flow.c (flow_loop_pre_header_scan): New.
8400 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
8401 (flow_loop_free): Free pre-header root and trace and exit dominators.
8402 (flow_loops_find): New argument flags.
8403 (flow_loops_update): New function.
8404 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
8406 2000-09-12 Michael Hayes <mhayes@cygnus.com>
8408 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
8409 * flow.c (split_block, update_bb_for_insn): New functions.
8411 2000-09-11 Richard Henderson <rth@cygnus.com>
8413 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
8415 2000-09-11 Richard Henderson <rth@cygnus.com>
8417 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
8418 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
8419 (ia64_override_options): Prevent optimizing division for both
8420 latency and throughput.
8421 (rtx_needs_barrier): Handle frcpa.
8422 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
8423 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
8424 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
8425 (TARGET_SWITCHES): Add -minline-divide-min-latency and
8426 -minline-divide-max-throughput.
8427 (PREDICATE_CODES): Update.
8428 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
8429 (zero_extendsidi2): Likewise. Fix typo in f case insn.
8430 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
8431 (extendsftf2): Likewise.
8432 (extenddftf2): Likewise.
8433 (fix_trunctfdi2_alts): New.
8434 (fixuns_trunctfdi2_alts): New.
8435 (madd*4): Rename from madd*3.
8436 (divsi3, modsi3, udivsi3, umodsi3): New.
8437 (divsi3_internal): New.
8438 (divdi3, moddi3, udivdi3, umoddi3): New.
8439 (divdi3_internal_lat, divdi3_internal_thr): New.
8440 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
8441 (recip_approx): New.
8443 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
8445 * print-rtl.c (debug_call_placeholder_verbose): New variable.
8446 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
8448 * integrate.c (copy_rtx_and_substitute): Don't share
8449 LEAF_REG_REMAPpable registers with the inlined function. Don't
8450 share the function value with calling sequences.
8452 2000-09-11 Jakub Jelinek <jakub@redhat.com>
8454 * c-decl.c (do_case): Fix a typo.
8456 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
8457 to a if the comparison is floating mode and not -ffast-math.
8458 * simplify-rtx.c (simplify_ternary_operation): Likewise.
8460 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
8462 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
8463 gen_ic_invalidate_line.
8465 2000-09-11 Philip Blundell <pb@futuretv.com>
8467 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
8469 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
8471 * install.texi (LANGUAGES): Update to include new languages.
8474 2000-09-11 DJ Delorie <dj@redhat.com>
8476 * gcc.c (main): Don't warn about unused -B prefixes
8477 (unused_prefix_warnings): remove
8479 2000-09-11 Kazu Hirata <kazu@hxi.com>
8481 * final.c: Fix formatting.
8483 * integrate.c: Fix formatting.
8485 2000-09-11 Geoff Keating <geoffk@cygnus.com>
8487 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
8489 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
8491 * reload.c (regno_clobbered_p): Fix thinko in previous change.
8493 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8495 * gcc.1: Document 68hc11 specific options.
8497 2000-09-10 Geoff Keating <geoffk@cygnus.com>
8499 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
8500 (TARGET_LONG_DOUBLE_128): Define.
8501 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
8502 (LONG_DOUBLE_TYPE_SIZE): Redefine.
8503 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
8504 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
8505 of __LONG_DOUBLE_128__.
8506 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
8508 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
8509 (CPP_SYSV_DEFAULT_SPEC): Define.
8510 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
8511 (INIT_TARGET_OPTABS): Define.
8513 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
8514 (RS6000_UITRUNC): Likewise.
8515 (INIT_TARGET_OPTABS): New macro.
8516 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
8517 (trunc_defined): Delete.
8518 (output_prolog): Don't output .extern definitions for fp->int
8519 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
8520 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
8521 (trunc_defined): Delete.
8522 (RS6000_ITRUNC): Moved to aix.h.
8523 (RS6000_UITRUNC): Likewise.
8524 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
8525 only emit a libcall.
8526 (fixuns_truncdfsi2): Delete.
8527 (trunc_call): Delete.
8528 (trunc_call_rtl): Delete.
8530 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
8532 * varasm.c (make_decl_rtl): Restore leading star on
8533 DECL_ASSEMBLER_NAME set for decls with an asmspec.
8535 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
8537 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
8538 won't give a spurious error for '#pragma pack()'. Simplify
8539 control flow for readability. 'reset' action is not necessary.
8541 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
8543 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
8544 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
8545 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
8546 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
8548 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
8549 profile.c, sdbout.c, tradcif.y, tree.c:
8550 Include defaults.h if not already included.
8551 Don't define the above macros.
8553 * Makefile.in: Update dependencies.
8555 2000-09-10 Mark Mitchell <mark@codesourcery.com>
8557 * c-common.h (add_stmt): Change prototype.
8558 (RECHAIN_STMTS): New macro.
8559 (CASE_LABEL_DECL): Likewise.
8560 (genrtl_case_label): Change prototype.
8561 (c_expand_start_case): Remove prototype.
8562 (build_case_label): Change prototype.
8563 (decl_constant_value): Declare.
8564 * c-common.c (check_case_value): Handle C++'s extensions to C
8566 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
8568 * c-parse.in (stmt): Adjust handling of return statements and case
8570 * c-semantics.c (add_stmt): Return the new statement.
8571 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
8572 returned expression. Directly generate RTL, rather than calling
8574 (genrtl_switch_stmt): Don't call c_expand_start_case.
8575 (build_case_label): Take the LABEL_DECL as input, too.
8576 (genrtl_case_label): Just call add_case_node.
8577 (expand_stmt): Adjust calls to genrtl_return_stmt and
8579 * c-tree.h (c_expand_start_case): Declare.
8580 * c-typeck.c (decl_constant_value): Give it external linkage.
8581 (c_expand_return): Don't call expand_return or expand_null_return;
8582 use genrtl_return_stmt instead.
8583 * stmt.c (struct nesting): Remove num_ranges field.
8584 (add_case_node): Give it external linkage.
8585 (expand_start_case): Don't set num_ranges.
8586 (expand_start_case_dummy): Don't clear it.
8587 (pushcase): Rely on add_case_node to handle `default' labels.
8588 (add_case_node): Handle `default' labels.
8589 * tree.c (tree_int_cst_compare): New function.
8590 * tree.h (tree_int_cst_compare): Declare.
8591 (add_case_node): Likewise.
8593 2000-09-10 Richard Henderson <rth@cygnus.com>
8595 * c-parse.in: Revert last change.
8596 (init_reswords): Do not enter disabled keywords into the ridpointers
8597 table, modulo objc weirdness.
8598 (_yylex): Return the canonical spelling for a keyword.
8600 2000-09-10 Philip Blundell <philb@gnu.org>
8602 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
8603 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
8605 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
8607 * alias.c (find_base_term): Handle ADDRESSOF.
8608 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
8610 2000-09-10 Denis Chertykov <denisc@overta.ru>
8612 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
8613 outputting templates with many lines.
8615 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8617 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
8618 to decide whether 64-bit support must be generated.
8620 2000-09-10 Richard Henderson <rth@cygnus.com>
8622 * c-parse.in (asm patterns): Fix volatile check.
8624 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8626 * cppmacro.c (check_trad_stringification): New function.
8627 (save_expansion): If -Wtraditional, warn about stringification of
8630 2000-09-11 Michael Hayes <mhayes@cygnus.com>
8632 * loop.h (struct loop_mem_info): Move from loop.c
8633 (struct loop_info): Add fields store_mems, mems, mems_idx,
8634 mems_allocated, unknown_address_altered,
8635 unknown_constant_address_altered, num_mem_sets, and
8636 first_loop_store_insn.
8638 * loop.c (loop_store_mems): Replace with field in loop_info struct.
8639 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
8640 (unknown_address_altered, unknown_constant_address_altered): Likewise.
8641 (num_mem_sets): Likewise.
8642 (replace_loop_mems, replace_loop_regs): New.
8643 (struct loop_replace_args): New.
8644 (load_mems): Use replace_loop_mems.
8645 (try_copy_prop): Use replace_loop_regs.
8646 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
8648 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8650 * configure.in: Recognize m6811-elf and m6812-elf.
8651 * configure: Regenerate.
8653 2000-09-09 Geoff Keating <geoffk@cygnus.com>
8655 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
8658 2000-09-10 Michael Hayes <mhayes@cygnus.com>
8660 * loop.c (struct movables): New.
8661 (num_movables): Move into struct movables.
8662 (the_movables): Change type to struct movables.
8663 (ignore_some_movables): Change struct movable arg to struct movables.
8664 (force_movables, combine_movables, regs_match_p): Likewise.
8665 (rtx_equal_for_loop_p, move_movables): Likewise.
8666 (scan_loop): Change movables to be of type struct movables.
8667 Replace last_movable with field in movables structure.
8669 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
8671 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
8672 (init_pragma): Avoid warning if pfile happens to be unused.
8673 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
8674 define init_pragma to nothing. Always prototype
8675 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
8677 * c-lex.c (process_directive): Always call dispatch_pragma.
8678 Initialize entering_c_header to 0.
8680 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8682 * config/m68hc11/m68hc11.md: New file, machine description for
8684 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
8685 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
8686 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
8687 * config/m68hc11/m68hc11-protos.h: New file.
8688 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
8689 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
8690 * config/m68hc11/xm-m68hc11.h: New file, target defs.
8691 * config/m68hc11/larith.asm: New file, libgcc routines.
8693 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8695 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
8696 (FPBIT_FUNCS): Add _usi_to_sf.
8697 * config/fp-bit.c (usi_to_float): New function.
8698 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
8699 (usi_to_float): Add appropriate #define.
8701 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
8703 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
8705 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
8706 * i386.md (attr "type"): Add sse and mmx types.
8707 (attr "memory"): Handle them without a crash.
8708 (movsi_1, movdi_2): Allow MMX regs.
8709 (movdi splits): Don't split moves involving MMX regs.
8710 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
8711 (movv4sf_internal, movv4si_internal, movv8qi_internal,
8712 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
8713 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
8714 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
8715 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
8716 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
8717 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
8718 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
8719 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
8720 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
8721 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
8722 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
8723 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
8724 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
8725 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
8726 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
8727 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
8728 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
8729 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
8730 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
8731 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
8732 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
8733 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
8734 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
8735 mmx_clrdi): New patterns.
8737 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
8739 * arm.c: Don't include tm.h directly.
8741 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
8743 * recog.c (validate_replace_rtx_1): Fix confusion about equality
8744 testing; simplify subregs of constants and nested subregs.
8746 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
8748 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
8750 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
8752 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
8754 * rtl.texi (description of USE): Add note about possible pitfalls
8756 From Richard Henderson:
8757 * reload1.c (choose_reload_regs): Compute need_mode properly.
8759 2000-09-07 Richard Henderson <rth@cygnus.com>
8761 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
8762 (__modsi3, __umodsi3): Likewise.
8763 (__udivsi3): Likewise. Normalize the TFmode values.
8765 2000-09-07 Geoff Keating <geoffk@cygnus.com>
8767 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
8769 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
8772 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
8774 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
8775 (cmpeqdi_t): Add output pattern.
8776 (cmpeqdi_t+1): Don't split when not optimizing.
8777 Restore proper splitting operation.
8779 2000-09-07 Richard Henderson <rth@cygnus.com>
8781 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
8782 do not call dispatch_pragma.
8784 2000-09-07 Jim Wilson <wilson@cygnus.com>
8786 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
8787 to CLASS_CANNOT_CHANGE_MODE.
8788 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
8789 mode classes are different.
8791 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
8793 * cpplib.h (struct cpp_options): Add user_label_prefix member,
8794 left out of commit which removed cppulp.c.
8796 2000-09-07 Richard Henderson <rth@cygnus.com>
8798 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
8799 after switch for CASE_DROPS_THROUGH.
8801 2000-09-07 Richard Henderson <rth@cygnus.com>
8803 * loop.c (strength_reduce): Call check_ext_dependant_givs.
8804 Properly extend the biv initial value for the giv.
8805 (record_biv): Zero ext_dependant.
8806 (record_giv): New argument ext_val. Update all callers.
8807 (general_induction_var): Likewise.
8808 (consec_sets_giv): Likewise.
8809 (simplify_giv_expr): Likewise. Fill in ext_val if we find
8810 a sign-extend, zero-extend, or truncate.
8811 (combine_givs_p): Make sure modes are compatible.
8812 (check_ext_dependant_givs): New.
8813 (extend_value_for_giv): New.
8814 * loop.h (struct induction): Add ext_dependant.
8815 * unroll.c (iteration_info): Extend the biv initial value for the giv.
8816 (find_splittable_givs): Likewise.
8817 (final_giv_value): Likewise.
8819 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
8821 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
8822 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
8823 definitions from cpplib.h.
8824 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
8826 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
8827 documentation for REGISTER_TARGET_PRAGMAS.
8829 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
8830 default-pragma callback to implement -Wunknown-pragmas if
8832 * c-parse.in: Move all includes to top of file.
8833 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
8835 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
8837 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
8839 * arm.h, arm-protos.h, arm.c,
8840 c4x.h, c4x-protos.h, c4x.c,
8841 h8300.h, h8300-protos.h, h8300.c,
8842 i370.h, i370-protos.h, i370.c,
8843 i960.h, i960-protos.h, i960.c,
8844 sh.h, sh-protos.h, sh.c,
8845 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
8846 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
8848 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
8849 multiple include guard.
8850 * i370.md (untyped_call): Use GEN_CALL.
8851 (umodsi3): Remove unused variable.
8852 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
8853 * v850.c (output_move_single, output_move_double): Constify
8855 (print_operand): Constify a char *.
8856 * v850.h (struct small_memory_info): Constify name member.
8858 2000-09-07 Kazu Hirata <kazu@hxi.com>
8860 * config/h8300.h: Fix comment typos.
8861 * config/h8300/h8300.md: Likewise.
8862 * config/h8300/lib1funcs.asm: Likewise.
8864 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
8866 * Makefile.in: Remove references to cppulp.{c,o}.
8867 * cppinit.c (initialize_builtins, cpp_start_read,
8868 cpp_handle_option): Update to use cpp_options structure.
8871 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
8873 * c-common.c (time_char_table): Allow %#b and %#h.
8875 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8877 * reorg.c (find_end_label): If the basic block reorder pass moves the
8878 return insn to some other place try to locate it again and put our
8879 end_of_function_label there.
8880 * reorg.c (relax_delay_slots): Check if find_end_label created a
8881 new label that invalidates the current optimazation.
8883 2000-09-07 Catherine Moore <clm@redhat.com>
8885 * unroll.c (unroll_loop): Check for unconditional jumps
8886 to loop continuation. Delete if n_iterations is 1.
8887 (ujump_to_loop_cont): New routine.
8889 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
8891 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
8893 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
8894 to handle multiword modes correctly. All callers and the declaration
8897 2000-09-06 Mark Mitchell <mark@codesourcery.com>
8899 * c-common.h (prep_stmt): Declare.
8900 (lang_expand_stmt): Likewise.
8901 * c-decl.c (lang_expand_stmt): Remove.
8902 * c-semantics.c (lang_expand_stmt): Define.
8903 (prep_stmt): New function.
8904 (expand_stmt): Handle common statement types here.
8906 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
8908 * configure.in (sh-*-linux*): Added.
8909 * configure: Rebuilt.
8910 * config/sh/t-linux: New file.
8911 * config/sh/sh.h (USERMODE_BIT): Define.
8912 (TARGET_USERMODE): Likewise.
8913 (TARGET_SWITCHES): New switches for the bits above.
8914 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
8915 * config/sh/linux.h: New file.
8916 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
8917 underscore on linux.
8918 (L_sdivsi3, L_udivsi3): Define for linux.
8919 (L_ic_invalidate): Define.
8920 * invoke.texi (SH Options): Document -musermode.
8922 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
8924 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
8925 CSE unless generating PIC.
8927 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
8930 2000-09-06 H.J. Lu (hjl@gnu.org)
8932 * Makefile.in (clean_s1): Depend on stage_b.
8933 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
8934 stage2. They are used for "make compare".
8936 2000-09-06 Mark Mitchell <mark@codesourcery.com>
8938 Move statement-tree facilities from C++ to C front-end.
8939 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
8940 (void_zero_node): New macro.
8941 (struct stmt_tree_s): New type.
8942 (stmt_tree): New typedef.
8943 (struct language_function): New type.
8944 (last_tree): New macro.
8945 (last_expr_type): Likewise.
8946 (walk_tree_fn): New typedef.
8947 (current_stmt_tree): New function.
8948 (begin_stmt_tree): Likewise.
8949 (add_stmt): Likewise.
8950 (finish_stmt_tree): Likewise.
8951 (statement_code_p): Likewise.
8952 (lang_statement_code_p): New variable.
8953 (walk_stmt_tree): New function.
8954 (STMT_IS_FULL_EXPR_P): New macro.
8955 * c-common.c (lang_statement_code_p): New variable.
8956 (c_common_nodes_and_builtins): Initialize void_zero_node.
8957 (statement_code_p): New function.
8958 (walk_stmt_tree): Likewise.
8959 * c-decl.c (language_function): Rename to ...
8960 (c_language_function): ... this. Include language_function.
8961 (push_c_function_context): Adjust accordingly.
8962 (pop_c_function_context): Likewise.
8963 (mark_c_function_context): Likewise.
8964 (current_stmt_tree): Define.
8965 * c-semantics.c (begin_stmt_tree): New function.
8966 (add_stmt): Likewise.
8967 (prune_unused_decls): Likewise.
8968 (finish_stmt_tree): Likewise.
8970 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8972 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
8974 2000-09-06 Kazu Hirata <kazu@hxi.com>
8976 * calls.c: Fix formatting.
8978 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
8980 * config/i386/i386.h (ADDRESS_COST): Fix typo.
8982 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8984 Integrated preprocessor.
8986 * Makefile.in: Remove all references to c-parse.gperf,
8987 c-gperf.h, and c-parse.h. Remove -d from yacc command line
8988 generating c-parse.c. Update dependencies.
8989 * c-parse.gperf, c-gperf.h: Delete.
8991 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
8992 yy_lim, or yy_get_token. Don't define get_directive_line if
8994 * c-common.h: Add multiple include guard. Define RID values
8995 for every keyword in C, C++, and Objective C. Put all the
8997 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
8998 * c-decl.c (c_decode_option): Handle -lang-objc here.
8999 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
9000 (grokdeclarator): Adjust for new RID scheme.
9001 (extract_interface_info): New stub.
9002 * c-lang.c: Don't declare yy_cur or parse_options.
9003 (lang_init_options): Call cpp_init. Don't call
9005 (lang_init): Don't call check_newline if USE_CPPLIB.
9007 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
9008 Elide lots of unnecessary code if USE_CPPLIB. Delete code
9009 rendered unnecessary by new architecture. Move routines not
9010 shared with C++ to c-parse.in. Maintain a local idea of the
9011 line number. Handle C++ as well as C.
9012 [USE_CPPLIB]: Declare and register callbacks for #ident and
9013 for entering/leaving files.
9014 (init_c_lex, c_lex): Are now the entry points to this file.
9015 (check_newline): Break out directive handling to
9017 (read_ucs, is_extended_char, utf8_extend_token): Moved here
9019 (readescape, parse_float): Overhaul.
9020 (lex_number, lex_string, lex_charconst): Break out of c_lex
9022 (get_fileinfo, update_header_times, dump_one_header,
9023 dump_time_statistics): New and/or moved here from C++.
9024 Support per-file data needed by C++ and per-header timing
9025 statistics (C++ only, at the moment).
9026 * c-lex.h: Update prototypes. Add multiple include guard.
9027 * c-tree.h (struct lang_identifier): Add rid_code field.
9028 (C_IS_RESERVED_WORD, C_RID_CODE): New.
9030 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
9031 reinit_parse_for_function and/or position_after_white_space.
9032 (save_filename, save_lineno): Look ahead before saving.
9033 (label -> identifier ':'): Save file and line before shifting ':'.
9034 (reservedwords): No need to call get_identifier.
9035 (init_parse, finish_parse, yyerror, yylex, yyprint,
9036 make_pointer_declarator): Are now here for C/ObjC.
9037 (rid_to_yy): Conversion table from RID constants to Yacc codes.
9039 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
9040 #pragma registry. Provide dummy implementation of that
9041 interface if !USE_CPPLIB.
9042 * c-pragma.h: Update to match.
9044 * flags.h: Add multiple include guard.
9045 (flag_detailed_statistics): Moved here from C++.
9046 * toplev.c: Define flag_detailed_statistics.
9048 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
9050 * timevar.def (TV_CPP, TV_LEX): New.
9051 * timevar.h: Add multiple include guard.
9053 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
9055 * objc/objc-act.c: Don't mention yy_cur or parse_options.
9056 Initialize cpplib properly. Force lineno to 0 after first
9057 call to check_newline. Don't handle -lang-objc here.
9058 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
9060 2000-09-06 David Edelsohn <edelsohn@gnu.org>
9062 * rs6000.md: Correct function unit definitions for cr_logical and
9064 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
9065 and use portable method for >=0 and floating point >=. Remove
9066 associated matchers.
9068 2000-09-06 Mark Mitchell <mark@codesourcery.com>
9070 * extend.texi: Mark named return value extension as deprecated.
9072 2000-09-06 Geoff Keating <geoffk@cygnus.com>
9074 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
9077 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
9079 * toplev.c (display_help): Fix thinko in documentation.
9081 * diagnostic.h (output_buffer::indent_skip): New fields.
9082 (output_indentation): New macro.
9084 * diagnostic.c (output_indent): New function.
9085 (output_set_prefix, clear_diagnostic_info): Use.
9086 (output_emit_prefix): Predict future indentation.
9088 2000-09-06 DJ Delorie <dj@redhat.com>
9090 * Makefile.in (stage_*): add more dependencies to ensure parallel
9091 builds build correctly
9093 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
9095 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
9096 not bootstrap-lean_f.
9098 2000-09-06 Andreas Schwab <schwab@suse.de>
9100 * mklibgcc.in: Emit rule for libgcc-stage-start.
9101 * Makefile.in (stage1-start, stage2-start, stage3-start,
9102 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
9104 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
9106 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
9107 (update_equiv_regs): Likewise, except for the mn10200 kludge.
9108 (combine_regs): Likewise.
9110 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
9111 * cse.c: Include "basic-block.h".
9112 (struct table_elt): New field REGCOST.
9113 (CHEAP_REG): Delete macro.
9114 (COST): Return 0 for REGs.
9115 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
9116 (notreg_cost): Return 0 for appropriate SUBREGs.
9117 (COSTS_N_INSNS): Return N * 2.
9118 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
9120 (CHEAPER): Use new function preferrable.
9121 (insert): Initialize REGCOST member.
9122 (find_best_addr): Use approx_reg_cost for estimation of register
9124 (cse_insn): Likewise.
9125 * loop.c (iv_add_mult_cost): New function.
9126 (add_cost, shift_cost, mult_cost): Delete variables.
9127 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
9128 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
9129 Make code that detects autoinc opportunities slightly less optimistic.
9130 (simplify_giv_expr): If expression contains other reg that is also a
9131 giv, only increment benefit if this is the only use of that reg.
9132 (consec_sets_giv): Take that change into account.
9133 (combine_givs): Slightly more verbose output.
9135 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
9136 not the cost of an equivalent shift.
9137 * sh-protos.h (addsubcosts): Declare.
9138 * sh.c (addsubcosts): New function.
9139 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
9140 (RTX_COSTS): Tweak. Use addsubcosts.
9141 (ADDRESS_COST): Return higher cost for reg+reg addressing.
9143 2000-09-06 Geoff Keating <geoffk@cygnus.com>
9145 * config/rs6000/rs6000.c (validate_condition_mode): New function.
9146 (branch_comparison_operator): Call validate_condition_mode to
9147 abort rather than returning 0.
9148 (branch_positive_comparison_operator): New function.
9149 (scc_comparison_operator): Call validate_condition_mode to abort
9150 rather than returning 0.
9151 (ccr_bit): Call validate_condition_mode. Update for
9153 (print_operand): Delete %C modifier. Update %E case
9154 to use EQ bit not SO bit.
9155 (rs6000_reverse_condition): New function.
9156 (rs6000_generate_compare): New function.
9157 (rs6000_emit_sCOND): New function.
9158 (rs6000_emit_cbranch): New function.
9159 (output_cbranch): The length of a long branch insn is
9160 now only 8 bytes. Add validate_condition_mode. Use
9161 rs6000_reverse_condition. Remove cror generation.
9163 * config/rs6000/rs6000.h: Update comments.
9164 (PREDICATE_CODES): Add new predicate. Update codes used
9165 by branch_comparison_operator and scc_comparison_operator.
9166 * config/rs6000/rs6000-protos.h: Add prototypes for
9167 new external functions.
9168 * config/rs6000/rs6000.md: Add new scheduling parameters
9169 for cr_logical instructions. Change length of branch
9171 (bCOND patterns): Call rs6000_emit_cbranch.
9172 (sCOND patterns): Call rs6000_emit_sCOND.
9173 (branch patterns): Change lengths to 4.
9174 (cr logical patterns): New.
9176 2000-09-06 Richard Henderson <rth@cygnus.com>
9178 * config/i386/i386.md (call_pop): Fix test for setting
9179 current_function_uses_pic_offset_table.
9180 (call, call_value_pop, call_value): Likewise.
9182 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
9184 * timevar.c (timevar_add): Delete.
9185 (timevar_get): Also count time since the selected timer was
9186 last updated. Do not examine the timevar stack if the
9187 selected timer is standalone.
9189 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9191 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
9193 2000-09-05 Jason Merrill <jason@redhat.com>
9195 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
9196 for 'extern' arrays.
9198 2000-09-05 Richard Henderson <rth@cygnus.com>
9200 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
9201 Eliminate final copy from non-trapping case.
9202 (__divdf3, __divsf3): Likewise.
9204 2000-09-05 Richard Henderson <rth@cygnus.com>
9206 * config/ia64/ia64.md (mulhi3): Fix typo last change.
9207 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
9209 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
9211 * Makefile.in: Restructure bootstrap stages to allow clean
9212 restart after failure.
9214 2000-09-05 Richard Henderson <rth@cygnus.com>
9216 * config/ia64.md (movsi and movdi patterns): Allow moves from
9217 8-bit constants to AR registers.
9219 2000-09-05 Richard Henderson <rth@cygnus.com>
9221 * config/ia64/ia64.md (mulhi3): New.
9223 2000-09-05 Richard Henderson <rth@cygnus.com>
9225 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
9226 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
9227 Optimization Guide, minimum latency alternative.
9228 (__moddi3, __udivdi3, __umoddi3): Likewise.
9229 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
9231 2000-09-05 Bruce Korb <bkorb@gnu.org>
9233 * fixinc/fixincl.c (load_file): always read header files
9234 with sizes that are a multiple of the page size.
9235 & use libiberty's getpagesize for determining that.
9237 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
9239 * gcse.c (hash_string_1): Add prototype.
9240 * cse.c (canon_hash_string): Likewise.
9242 2000-09-04 Craig Newell <CraigN@ieee.org>
9244 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
9246 2000-09-04 Andreas Schwab <schwab@suse.de>
9248 * Makefile.in (STAGESTUFF): Remove libgcc.
9249 (stage1-start, stage2-start, stage3-start): Copy the contents of
9250 the libgcc directory explicitly.
9251 (mostlyclean): Clean libgcc.
9253 2000-09-04 Andrew Haley <aph@redhat.com>
9255 * dwarf2out.c: (stack_adjust_offset): New prototype.
9257 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
9259 * combine.c (make_extraction): Fix rtx_cost comparison to
9262 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
9264 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
9265 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
9266 Add '*' to insn pattern name.
9268 2000-09-04 Jakub Jelinek <jakub@redhat.com>
9270 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
9271 use posn - 1 to index into tokens array.
9272 (maybe_paste_with_next): Adjust caller.
9274 2000-09-03 Geoff Keating <geoffk@cygnus.com>
9276 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
9278 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
9279 (REGNO_REG_CLASS): Use symbolic register
9282 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
9284 * arm.c (final_prescan_insn): If the form of a jump insn isn't
9285 recognized, don't try to conditionally execute it.
9287 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
9289 * config/avr/avr.md ("*tablejump_lib"): New pattern.
9290 (call_value_insn): Right length claculation.
9291 (call_insn): Likewise.
9293 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
9295 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
9296 gas_output_limited_string, gas_output_ascii, output_movqi,
9297 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
9298 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
9299 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
9300 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
9301 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
9302 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
9303 Add "const" as needed to remove warnings.
9305 * config/avr/avr.c (avr_override_options, avr_init_once,
9306 function_prologue, function_epilogue, frame_pointer_required_p,
9307 class_likely_spilled_p, order_regs_for_local_alloc,
9308 avr_address_cost, avr_ret_register): Use K&R style arguments.
9309 (initial_elimination_offset, gas_output_limited_string):
9310 Remove ATTRIBUTE_UNUSED from the used arguments.
9311 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
9312 Use local variables src, dest, base to access operands[].
9313 Rename reg_dest to reg_src if that's what it is.
9314 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
9315 constants to LD_REGS if reg_was_0.
9316 (output_reload_insisf): Change arg 3 to insn length and set it.
9317 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
9318 access to 16-bit I/O register pairs.
9319 (avr_address_cost): Lower cost for the above case.
9320 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
9321 may be clobbered, also for LD_REGS.
9322 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
9325 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
9327 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
9328 macro to test_hard_reg_class function.
9329 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
9330 for loading immediate constants to LD_REGS.
9331 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
9334 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
9336 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
9337 * config/avr/libgcc.S: Lost part of the previous patch.
9339 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9341 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
9342 object before calling pthread_mutex_init.
9344 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
9346 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
9347 config/sh/crtn.asm: New files.
9348 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
9349 (crt1.o, crti.o, crtn.o): New targets.
9350 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
9352 * configure: Rebuilt.
9353 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
9354 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
9355 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
9356 Undefine for config/elfos.h to redefine.
9357 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
9359 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
9361 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
9362 legitimize_pic_address, output_pic_addr_const): Declare.
9363 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
9364 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
9365 (TARGET_SWITCHES): New switch -mprefergot.
9366 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
9367 (PIC_OFFSET_TABLE_REGNUM): Define.
9368 (GOT_SYMBOL_TABLE): Likewise.
9369 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
9370 (ENCODE_SECTION_INFO): Define.
9371 (FINALIZE_PIC): New macros.
9372 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
9373 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
9374 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
9375 (prepare_move_operands): Call emit_pic_move or
9376 emit_pic_const_move if appropriate.
9377 (output_far_jump): For PIC, use braf and output long offset.
9378 (machine_dependent_reorg):
9379 (sh_expand_prologue): Save and initialize the PIC register.
9380 (sh_expand_epilogue): Restore it.
9381 (initial_elimination_offset): Account for it.
9382 (nonpic_symbol_mentioned_p): New function.
9383 (legitimize_pic_address): Likewise.
9384 (output_pic_addr_const): Likewise.
9385 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
9386 (call, call_value): Use them.
9387 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
9388 symPLT_label2reg): New expands.
9389 * invoke.texi (SH Options): Document -mprefergot.
9391 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
9393 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
9394 * gcse.c (hash_string_1): New function.
9395 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
9396 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
9397 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
9398 (canon_hash_string): New function.
9399 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
9400 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
9401 (fold_rtx): Use ASM_OPERANDS accessor macros.
9402 * emit-rtl.c (copy_insn_1): Likewise.
9403 * integrate.c (copy_rtx_and_substitute): Likewise.
9404 * stmt.c (expand_asm_operands): Likewise. Give an
9405 ASM_OPERANDS rtx the mode of the output reg being set from it.
9407 2000-09-01 Fred Fish <fnf@be.com>
9409 * fix-header.c (write_rbrac): Add putc and getc to list of
9410 functions to protect against prior definition as a macro.
9412 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
9414 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
9415 (c_size_type_node): Define.
9416 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
9417 * c-common.c (enum format_lengths, enum format_std_version,
9418 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
9419 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
9420 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
9421 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
9422 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
9423 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
9424 format_types): Define.
9425 (format_char_info, print_char_table, scan_char_table,
9426 time_char_table): Rearrange for new organization of information
9427 about format length modifiers and standard versions.
9428 (T_ST): Redefine to use c_size_type_node.
9429 (check_format_info): Obtain information about length modifiers and
9430 standard versions from tables. Adjust warning message wordings.
9431 Use the name from the user's program for `ll' and `hh' length
9432 modifiers in warning messages. Use more informative names for
9433 wanted types where available (for wchar_t, wint_t, size_t, signed
9434 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
9436 2000-09-01 Jim Wilson <wilson@cygnus.com>
9438 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
9439 * combine.c (distribute_notes): Handle REG_NORETURN.
9440 * rtl.c (reg_note_name): Add REG_NORETURN.
9441 * rtl.h (enum reg_note): Likewise.
9443 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
9445 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
9446 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
9447 (emit_predicate_relation_info): Handle conditional calls with
9449 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
9450 instead of ia64_file_start.
9451 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
9452 * config/ia64/ia64.md (safe_across_calls_all,
9453 save_across_calls_normal): New patterns.
9455 * loop.c (check_final_value): Check for biv use before checking for
9456 giv use. Check for both biv and giv uses. Always set last_giv_use
9457 if there is a giv use.
9459 2000-09-01 Richard Henderson <rth@cygnus.com>
9461 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
9462 (madddi3): Likewise.
9465 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9467 * expr.c (clear_storage): Don't use emit_move_insn unless
9468 either BLKmode or proper size.
9469 (store_constructor): Don't call clear_storage if REG of wrong size.
9471 * flow.c (init_propagate_block_info): Don't mark frame dead at end
9472 of function if returns wiht stack pointer depressed.
9474 2000-09-01 Andrew Haley <aph@redhat.com>
9476 * dwarf2out.c (stack_adjust_offset): New function.
9477 (dwarf2out_stack_adjust): Break out stack adjust logic into
9478 new stack_adjust_offset function. Look inside parallels and
9479 sequences for stack adjustments.
9481 2000-08-31 Jeff Law <law@cygnus.com>
9483 * arm.md: Use no_new_pseudos to determine when it is safe
9484 to create new pseudo registers.
9486 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
9487 when we can safely allocate new registers.
9489 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
9491 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
9492 so that CONCATs are not generated for ASMs.
9493 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
9494 not generating_concat_p.
9495 * function.c (pop_function_context_from): Reset
9496 generating_concat_p.
9497 (prepare_function_start): Likewise.
9498 * rtl.c (generating_concat_p): Define.
9499 * rtl.h (generating_concat_p): Declare.
9500 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
9502 2000-08-22 Philipp Thomas <pthomas@suse.de>
9503 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
9505 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
9508 2000-08-30 Greg McGary <greg@mcgary.org>
9510 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
9511 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
9512 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
9514 2000-08-30 Greg McGary <greg@mcgary.org>
9516 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
9517 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
9518 (TREE_INT_CST): New macro.
9519 * varasm.c (const_hash, compare_constant_1, record_constant_1):
9520 Use new macro TREE_INT_CST.
9522 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
9524 * contrib.texi: Add self.
9526 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
9528 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
9529 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
9532 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9534 * fixinc/gnu-regex.c: Don't define `const'.
9536 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9538 * expr.c (store_constructor): Allow variable bounds of array type.
9539 (expand_expr): Don't blow up if type is ERROR_MARK.
9540 * varasm.c (output_constructor): Don't access lower bound of array
9541 type unless need it if index is supplied (so it can be a variable
9542 if no index is supplied).
9543 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
9544 Other minor cleanups.
9546 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9548 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
9549 for compilations in stage 1 and subsequent stages, respectively.
9550 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
9551 * configure: Rebuilt.
9552 * x-vax, x-vax-gcc: Deleted.
9554 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
9556 * c-common.c (declare_function_name): Use func_id_node,
9557 function_id_node, and pretty_function_id_node. Do not make
9558 __func__ visible at file scope.
9559 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
9560 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
9561 (function_id_node, pretty_function_id_node, func_id_node): New
9563 * c-decl.c (init_decl_processing): Initialize function_id_node,
9564 pretty_function_id_node, and func_id_node.
9565 (c_make_fname_decl): Correct comment.
9567 * tree.h (struct tree_identifier): Constify pointer member.
9569 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
9570 * c-pragma.h (struct weak_syms): Constify name and value members.
9571 (add_weak): Constify arguments.
9573 * calls.c (special_function_p): Constify a char *.
9574 (expand_call): Remove variable which is initialized and then
9576 * dependence.c (struct def_use, struct induction, struct subscript):
9577 Constify 'variable' member.
9578 (get_low_bound, have_induction_variable): Constify char * argument.
9579 (find_induction_variable): Add braces to avoid dangling else.
9580 (classify_dependence): Constify char * arrays.
9581 * profile.c (output_func_start_profiler): Constify a char *.
9582 * stor-layout.c (finalize_record_size): Constify a char *.
9583 * tree.c (is_attribute_p): Constify a char *.
9584 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
9586 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
9587 for comprehensibility. Do not call get_identifier if we did
9588 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
9589 create temporary string constants, not ggc_alloc_string. No
9590 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
9591 char * to hold IDENTIFIER_POINTERs.
9593 2000-08-29 Richard Henderson <rth@cygnus.com>
9595 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
9598 2000-08-29 Richard Henderson <rth@cygnus.com>
9600 * reload.c (push_secondary_reload): Allow class == reload_class
9601 if we're using a reload_in/out pattern.
9603 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
9604 the half that does not conflict with the reload register.
9605 (reload_outti): Likewise.
9607 2000-08-29 Kazu Hirata <kazu@hxi.com>
9609 * reload.c: Fix formatting.
9611 * stmt.c: Fix formatting.
9613 * gcc.c: Fix formatting.
9615 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
9617 * flags.h (time_report, mem_report): New global flags.
9618 * toplev.c: Define time_report and mem_report.
9619 (f_options): Add -ftime-report and -fmem-report.
9620 (compile_file): Turn on time_report if quiet_flag is off.
9621 Call ggc_print_statistics at very end if mem_report is on.
9622 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
9624 * ggc-common.c (ggc_print_statistics): Rename to
9625 ggc_print_common_statistics; all callers changed. Scale
9626 quantities above 10K to kilobytes and above 10M to megabytes.
9627 * ggc-page.c (ggc_page_print_statistics): Rename to
9628 ggc_print_statistics. Report memory consumed by internal data
9629 structures for each allocation bucket. Scale quantities above
9630 10K to kilobytes and above 10M to megabytes.
9631 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
9632 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
9633 Define tally_leaves always.
9634 (ggc_print_statistics): New function.
9635 * ggc.h: Adjust for renamed functions.
9637 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
9639 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
9640 output_movsisf instead of which_alternative.
9642 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
9644 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
9646 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
9647 (avr_progmem_p): New prototype.
9648 (output_movsisf): Prototype declaration changed.
9649 (output_movqi): New prototype.
9650 (output_movhi): New prototype.
9651 (call_insn_operand): Likewise.
9652 (final_prescan_insn): Likewise.
9653 (avr_simplify_comparision_p): Likewise.
9654 (avr_normalize_condition): Likewise.
9655 (compare_eq_p): Likewise.
9656 (out_shift_with_cnt): Likewise.
9657 (const_int_pow2_p): Likewise.
9658 (output_reload_inhi): Prototype declaration changed.
9660 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
9661 (ldi_reg_rtx): New. rtx for r31.
9662 (avr_init_stack): Initialize as "__stack".
9663 (function_prologue): Use it.
9664 Replace all TARGET_ENHANCED with AVR_ENHANCED.
9665 (avr_mcu_name): Initialize as "avr2".
9666 (avr_enhanced_p, avr_mega_p): New variables.
9667 (mcu_types, avr_override_options): Handle all known MCU types.
9668 Also handle avr1 (only preprocess, assemble and link).
9669 (print_operand): Using of `%K' in output template removed.
9670 (out_movqi_r_mr): Optimized.
9671 (out_movhi_r_mr): Likewise.
9672 (output_movqi): New function.
9673 (output_movhi): Likewise.
9674 (out_movsi_r_mr): Optimized.
9675 (output_movsisf): Compute insn length for `adjust_insn_length'
9676 (out_movqi_mr_r): Optimized.
9677 (out_movhi_mr_r): Optimized.
9678 (adjust_insn_length): Use output_movsisf, output_movqi,
9679 output_movhi for insn length adjusting.
9680 (reg_unused_after): Use dead_or_set_p.
9681 (preferred_reload_class): Now havn't any restriction.
9682 (reg_was_0): New function.
9683 (io_address_p): Likewise.
9684 (const_int_pow2_p): Likewise.
9685 (output_reload_inhi): Likewise.
9686 (output_reload_insisf): Likewise.
9688 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
9689 (LIB_SPEC): Use -lc for all supported devices.
9690 (LIBGCC_SPEC): Use -lgcc for all supported devices.
9691 (AVR_MEGA): Define as avr_mega_p.
9692 (AVR_ENHANCED): New, define as avr_enhanced_p.
9693 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
9694 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
9695 (CRT_BINUTILS_SPECS): Handle all known MCU types.
9696 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
9697 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
9698 (ASM_SPEC): Pass -mmcu=... to the assembler.
9699 Change all -DAVR_* to -D__AVR_*__.
9700 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
9701 Rename library functions to start with two underscores.
9702 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
9704 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
9705 (SUPPORTS_WEAK): Likewise.
9706 (LDI_REG_REGNO): New. Register r31 will be used as temporary
9707 register for loading constants to r0-r14.
9709 * config/avr/avr.md: Replace all TARGET_ENHANCED with
9711 (*mov_r_sp): Removed. Handled by output_movhi.
9712 (*mov_sp_r): Likewise.
9713 (*mov_sp_r_no_interrupts): Likewise
9714 (*mov_sp_r_tiny): Likewise.
9715 (*movqi): Use output_movqi.
9716 (*reload_inqi): New.
9717 (*movhi): Use output_movhi.
9718 (*reload_inhi): New.
9719 (*negsi2): Optimized.
9720 (*negsf2): Likewise.
9721 Added peepholes (define_peephole2) for loading constants to r0-r14
9722 and for using `cpse' command.
9724 * config/avr/libgcc.S: Rename library functions to start with two
9726 Add support for enhanced core.
9727 (_moqhi3): Fix typo, now _modqi3.
9728 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
9729 (__prologue_saves__): Remove test for stack adjust by 0.
9730 (__tablejump__): New.
9732 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
9733 Add multilib support.
9735 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
9737 * loop.c (prescan_loop): Don't check unknown_address_altered
9738 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
9739 to loop_store_mems as necessary.
9740 (loop_invariant_p): Don't check unknown_address_altered
9741 or unknown_constant_address_altered.
9743 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9745 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
9747 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
9749 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
9750 print just the filename.
9751 * cpplex.c (_cpp_run_directive): Add additional argument, the
9752 name to give the synthetic buffer. This defaults to
9753 translated "<command line>".
9754 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
9756 (_cpp_define_builtin): New function.
9757 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
9758 * cpphash.h: Update prototypes.
9760 * tradcpp.c (main): Process -D and -U simultaneously, in the
9761 order they appeared on the command line.
9763 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9765 * c-decl.c (define_label): Call warning_with_file_and_line and
9766 error_with_file_and_line instead of plain warning or error.
9768 * c-parse.in (label): Use save_filename/save_lineno to ensure
9769 correct values for calls to define_label.
9771 2000-08-29 Mark Mitchell <mark@codesourcery.com>
9773 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
9775 * expr.c (expand_expr, case TARGET_EXPR): Don't call
9777 * tree.h (get_file_function_name): Remove two duplicate
9780 2000-08-28 Kazu Hirata <kazu@hxi.com>
9782 * tree.c: Fix formatting.
9784 * xcoffout.c: Fix formatting.
9786 2000-08-28 Jason Merrill <jason@redhat.com>
9788 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
9790 2000-08-28 Daniel Berlin <dberlin@redhat.com>
9792 * dwarf2out.c (dwarf2out_finish): Don't bother calling
9793 break_out_includes if it won't do anything.
9795 2000-08-28 Richard Henderson <rth@cygnus.com>
9797 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
9798 (find_reloads): Likewise.
9799 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
9800 (reload_inhi): Likewise.
9802 2000-08-28 Richard Henderson <rth@cygnus.com>
9804 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
9805 (call_insn_operand): Don't expect a surrounding mem.
9806 (constant_call_address_operand): Likewise.
9807 * config/i386/i386.h (PREDICATE_CODES): Update.
9808 * config/i386/i386.md (call patterns): Move the match_operand
9809 for the call destination inside the mem.
9811 2000-08-28 Richard Henderson <rth@cygnus.com>
9813 * local-alloc.c (requires_inout): Don't use reserved range for
9814 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
9815 * recog.c (asm_operand_ok): Likewise.
9816 (preprocess_constraints, constrain_operands): Likewise.
9817 * regclass.c (record_reg_classes): Likewise.
9818 * reload.c (find_reloads): Likewise.
9819 * reload1.c (maybe_fix_stack_asms): Likewise.
9820 (reload_cse_simplify_operands): Likewise.
9821 * stmt.c (expand_asm_operands): Likewise.
9823 * md.texi: Update constraints documentation.
9824 * tm.texi (EXTRA_CONSTRAINT): Update.
9826 2000-08-28 Daniel Berlin <dberlin@redhat.com>
9828 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
9829 (print_die): If we don't know the offset of the
9830 target die, try the symbol. Add a trailing newline.
9831 (reverse_all_dies): New fn.
9832 (dwarf2out_finish): Call it.
9833 (break_out_includes): Reorganize for clarity.
9834 (add_sibling_attributes): Don't call reverse_die_lists.
9835 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
9837 * flags.h: Add flag_eliminate_dwarf2_dups.
9838 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
9840 2000-08-28 Jason Merrill <jason@redhat.com>
9842 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
9843 * dwarf2out.c: #include "md5.h".
9844 (DIE_LABEL_PREFIX): New macro.
9845 (dw_val_struct): Add 'external' flag to val_die_ref.
9846 (add_AT_die_ref, AT_ref): Adjust.
9847 (AT_ref_external, set_AT_ref_external): New fns.
9848 (build_abbrev_table): Call set_AT_ref_external.
9849 (value_format): Call AT_ref_external.
9850 (die_struct): Add die_symbol field.
9851 (new_die): Clear it.
9852 (dwarf_tag_name): Handle BINCL/EINCL.
9853 (dwarf2out_start_source_file): Add BINCL DIE.
9854 (dwarf2out_end_source_file): Add EINCL DIE.
9855 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
9856 (loc_checksum, attr_checksum, die_checksum): New fns.
9857 (is_type_die, is_comdat_die, is_symbol_die): New fns.
9858 (compute_section_prefix, assign_symbol_names): New fns.
9859 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
9860 (output_die): Call output_die_symbol and AT_ref_external.
9861 (output_comdat_comp_unit): New fn, split out from...
9862 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
9864 (output_pubnames, output_aranges): Abort if we see entries from
9866 * toplev.h: Declare file_name_nondirectory.
9867 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
9868 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
9869 (debug_start_source_file): Call dwarf2out_start_source_file
9870 regardless of debug verbosity.
9871 (debug_end_source_file): Similarly.
9872 * tree.h: Declare clean_symbol_name.
9873 * tree.c (clean_symbol_name): Split out from...
9874 (get_file_function_name_long): ...here.
9876 * dwarf2out.c (new_loc_descr): Use calloc.
9877 (splice_child_die): Remove the die from the right parent.
9878 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
9880 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9882 * toplev.c (decode_g_option): Don't give warning for unknown -g
9883 option; return 0 instead.
9884 (main): If -g option is not recognized by front end or
9885 language-independent code, give warning.
9887 2000-08-28 Greg McGary <greg@mcgary.org>
9889 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
9890 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
9891 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
9893 2000-08-27 Greg McGary <greg@mcgary.org>
9895 * cpplex.c (parse_string): Don't look for backslash
9896 before first char in `namebuf'.
9897 * loop.c (strength_reduce): Skip NOTEs.
9899 2000-08-27 Jason Merrill <jason@redhat.com>
9901 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
9902 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
9903 TREE_ASM_WRITTEN, either.
9904 (finish_decl): Adjust.
9906 2000-08-28 Philipp Thomas <pthomas@suse.de>
9908 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
9909 they have been incorporated into the gettext CVS. Change the text to
9910 reflect the current status of NLS. Add instructions for accessing
9911 the gettext CVS and add the patch from Martin v. Loewis.
9913 2000-08-27 Geoff Keating <geoffk@cygnus.com>
9915 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
9916 by using gen_lowpart_common.
9917 (movdi_internal64+6): Likewise.
9919 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
9921 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
9924 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
9925 numbers to the ranges used by GDB.
9927 2000-08-25 Richard Henderson <rth@cygnus.com>
9929 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
9930 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
9931 (ia64_expand_prologue): Likewise.
9932 (ia64_setup_incoming_varargs): Set it. Properly skip the current
9933 argument for stdargs.
9935 2000-08-25 Jason Merrill <jason@redhat.com>
9937 * integrate.c (expand_inline_function): Pull out the original decl.
9939 2000-08-25 Jim Wilson <wilson@cygnus.com>
9941 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
9943 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
9945 2000-08-25 Greg McGary <greg@mcgary.org>
9947 * flow.c (dump_edge_info): Use ARRAY_SIZE.
9948 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
9950 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
9952 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
9954 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
9956 * i386.c (ix86_find_base_term): New.
9957 * i386-protos.h (ix86_find_base_term): Prototype.
9958 * i386.h (FIND_BASE_TERM): Define.
9959 * alias.c (find_base_term): Use it.
9960 * tm.texi (FIND_BASE_TERM): Document it.
9962 * alias.c (true_dependence, write_dependence_p): Unchanging
9963 memory can't conflict with non-unchanging memory.
9965 * alias.c (memrefs_conflict_p): A BLKmode reference
9966 to a symbol (or CONST_INT address) always conflicts
9967 with a reference to another symbol.
9969 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
9971 * c-common.c (time_char_table): Don't allow width and flags with
9974 2000-08-25 Jakub Jelinek <jakub@redhat.com>
9976 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
9977 way as LT and LTU when the second operand has 0 in low word.
9979 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9981 * basic-block.h (struct loop): Rename `exits' field to
9982 `exit_edges'. Add `entry_edges' and `num_entries' fields.
9984 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
9985 (flow_loop_entry_edges_find): Add.
9986 (flow_edge_list_print): Rename from flow_exits_print.
9987 (flow_loops_find): Call flow_loop_entry_edges_find.
9988 (flow_loop_dump): Dump entry_edges list.
9989 (flow_loops_free): Free entry_edges.
9991 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9993 * loop.c (loop_dump_aux, debug_loop): New functions.
9994 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
9996 * flow.c (flow_loops_dump): Add callback parameter.
9997 (flow_loop_dump): Add callback parameter and call it. Move
9998 loop note debugging code to loop_dump_aux.
10000 * basic-block.h (flow_loop_dump): Add callback parameter
10001 (flow_loops_dump): Likewise.
10003 * toplev.c (rest_of_compilation): Add NULL callback function pointer
10004 to call to flow_loops_dump.
10006 2000-08-26 Michael Hayes <mhayes@cygnus.com>
10008 * loop.c (count_loop_regs_set): Replace start and end arguments
10009 with loop argument. All callers udated.
10011 2000-08-26 Michael Hayes <mhayes@cygnus.com>
10013 * loop.c (constant_high_bytes): Delete.
10015 2000-08-26 Michael Hayes <mhayes@cygnus.com>
10017 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
10018 and NOTE_INSN_LOOP_VTOP to...
10019 (find_and_verify_loops) ...here.
10021 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
10023 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
10024 (fini_dummy, init_dummy): Use it.
10026 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
10028 * cpplex.c (is_macro_disabled): Caller has already checked
10029 that we're not a preprocessed file.
10031 2000-08-24 Mark Mitchell <mark@codesourcery.com>
10033 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
10034 (c-iterate.o): Remove target.
10035 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
10036 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
10037 (finish_decl): Don't handle iterators.
10038 (grokdeclarator): Likewise.
10039 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
10040 * gcc/c-gperf.h: Regenerated.
10041 * gcc/c-iterate.c: Removed.
10042 * gcc/c-lex.c (init_lex): Don't handle iterators.
10043 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
10044 (compstmt_primary_start): Remove push_iterator_stack call.
10045 (stmt): Don't allow iterator statements. Replace iterator_expand
10046 with expand_expr_stmt.
10047 (all_iter_stmt): Remove.
10048 (all_iter_stmt_simple): Likewise.
10049 (all_iter_stmt_with_decl): Likewise.
10050 * gcc/c-tree.h (ITERATOR_P): Remove.
10051 (ITERATOR_BOUND_P): Likewise.
10052 (init_iterators): Remove declaration.
10053 (iterator_expand): Likewise.
10054 (iterator_for_loop_start): Likewise.
10055 (iterator_for_loop_end): Likewise.
10056 (iterator_for_loop_record): Likewise.
10057 (push_iterator_stack): Likewise.
10058 (pop_iterator_stack): Likewise.
10059 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
10060 (readonly_warning): Likewise.
10061 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
10063 2000-08-24 Jim Wilson <wilson@cygnus.com>
10065 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
10066 Copy type in a TYPE_DECL, just like pushdecl does.
10068 2000-08-24 Richard Henderson <rth@cygnus.com>
10070 * toplev.c (main): Enable flag_reorder_blocks at -O2.
10072 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
10074 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
10075 asked for one page, allocate GGC_QUIRE_SIZE of them and put
10076 the extras on the free list.
10077 (release_pages): Clean up.
10078 (ggc_set_mark): Don't adjust G.allocated here...
10079 (sweep_pages): ... do it here.
10081 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
10083 * cppfiles.c (read_include_file): Rearrange initializations.
10085 2000-08-24 Richard Henderson <rth@cygnus.com>
10087 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
10089 * config/ia64/ia64-protos.h: Update.
10090 * config/ia64/ia64.c (gr_register_operand): New.
10091 (fr_register_operand, grfr_register_operand): New.
10092 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
10093 (grfr_reg_or_8bit_operand): New.
10094 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
10095 use gr_register_operand.
10096 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
10097 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
10098 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
10099 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
10100 (fr_reg_or_fp01_operand): Likewise.
10101 (not_postinc_memory_operand): New.
10102 (ia64_split_timode): Remove unused variables.
10103 (rtx_needs_barrier): Check arguments to cmpxchg.
10104 (builtin_description): Remove.
10105 (bdesc_2argsi, bdesc_2argdi): Remove.
10106 (ia64_init_builtins): Declare all builtins directly.
10107 (ia64_expand_fetch_and_op): Rewrite to be called from
10108 ia64_expand_builtin directly. Use expand_binop and co.
10109 (ia64_expand_op_and_fetch): Likewise.
10110 (ia64_expand_compare_and_swap): Likewise.
10111 (ia64_expand_binop_builtin): Remove.
10112 (ia64_expand_lock_test_and_set): New.
10113 (ia64_expand_lock_release): New.
10114 (ia64_expand_builtin): Use them.
10115 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
10116 (EXTRA_CONSTRAINT): Use it.
10117 (PREDICATE_CODES): Update.
10118 * config/ia64/ia64.md (*): Use gr_register_operand and co.
10119 (mf): Indicate that we set memory as well as use it.
10120 (fetchadd_acq_si): Show memory being modified as well.
10121 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
10122 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
10123 (lock_test_and_set_si, lock_test_and_set_di): Remove.
10124 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
10125 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
10126 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
10127 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
10128 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
10129 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
10130 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
10131 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
10132 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
10133 return type. Pretty print definitions.
10135 2000-08-24 Jim Wilson <wilson@cygnus.com>
10137 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
10138 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
10140 2000-08-24 Jason Merrill <jason@redhat.com>
10142 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
10143 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
10144 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
10145 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
10147 2000-08-24 Greg McGary <greg@mcgary.org>
10149 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
10150 and extendtab within their proper array boundaries.
10151 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
10152 for the entire array.
10154 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
10155 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
10156 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
10157 * config/fr30/fr30.c (fr30_print_operand): Likewise.
10158 * config/i386/dgux.c (output_options): Likewise.
10159 * config/i386/dgux.h (ASM_FILE_START): Likewise.
10160 * config/m88k/m88k.c (output_options): Likewise.
10161 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
10162 * config/mcore/mcore.c (mcore_output_inline_const_forced,
10163 layout_mcore_frame, handle_structs_in_regs): Likewise.
10164 * config/mips/mips.c (output_block_move): Likewise.
10165 * config/rs6000/rs6000.c (rs6000_override_options,
10166 rs6000_file_start): Likewise.
10167 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
10168 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
10169 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
10170 * builtins.c (expand_builtin_setjmp): Likewise.
10171 * expr.c (safe_from_p): Likewise.
10172 * flow.c (life_analysis): Likewise.
10173 * fold-const.c (size_int_type_wide): Likewise.
10174 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
10175 * genattrtab.c (make_length_attrs): Likewise.
10176 * genopinit.c (gen_insn): Likewise.
10177 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
10178 * global.c (global_alloc): Likewise.
10179 * local-alloc.c (find_free_reg): Likewise.
10180 * mips-tdump.c (print_symbol): Likewise.
10181 * mips-tfile.c (parse_def, parse_input): Likewise.
10182 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
10183 * stmt.c (expand_nl_goto_receiver): Likewise.
10184 * stor-layout.c (set_sizetype): Likewise.
10185 * varasm.c (decode_reg_name): Likewise.
10186 * toplev.c (decode_f_option, decode_W_option,
10187 set_target_switch, print_switch_values): Likewise.
10188 (NUM_ELEM): Remove macro.
10189 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
10191 2000-08-24 Greg McGary <greg@mcgary.org>
10193 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
10194 (MAIN_NAME_P, main_identifier_node): New macros.
10195 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
10196 * c-decl.c (start_decl, grokdeclarator, start_function,
10197 store_parm_decls, finish_function): Use MAIN_NAME_P.
10198 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
10199 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
10200 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
10201 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
10203 2000-08-24 Greg McGary <greg@mcgary.org>
10205 * cppfiles.c (actual_directory): Don't write beyond `dir'
10206 when it contains "".
10207 * real.c (asctoeg): Stay within bounds of etens[][].
10209 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10211 * dependence.c (dependence_string, direction_string,
10212 dump_one_node, dump_node_dependence): Hide unused identifiers.
10213 (get_low_bound, normalize_coefficients): Match definition to
10215 (get_one_coefficient): Initialize variables `value0_is_idx' and
10217 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
10218 (ziv_test): Delete variable `idx', use parameter `sub' instead.
10219 (direction_merge): Avoid automatic aggregate initialization.
10220 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
10221 Initialize variables `dest_idx' and `src_idx'.
10222 (end_dependence_analysis): Avoid C89 style function definition.
10224 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
10226 * c-common.c (time_char_table): Don't allow width with %F.
10227 (check_format_info): Don't allow "Z" length with scanf.
10229 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
10231 * diagnostic.c (finish_diagnostic): Define.
10232 (output_do_printf): Use wrap_text instead of output_add_string.
10233 (default_print_error_function): Avoid embedded '\n'.
10235 * diagnostic.h (flush_diagnostic_buffer): Declare.
10237 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
10239 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
10241 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
10243 * Makefile.in (GCC_PASSES): Add specs.
10245 2000-08-23 Jim Wilson <wilson@cygnus.com>
10247 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
10248 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
10249 EHANDLER nor UHANDLER bit is set.
10250 (__get_except_table): Likewise.
10252 2000-08-23 Nick Clifton <nickc@redhat.com>
10254 * config/arm/lib1funcs.asm: Replace upper case condition codes
10255 with lower case versions.
10257 * config/arm/arm.h (STRUCT_VALUE): Define.
10258 (STRUCT_VALUE_REGNUM): Delete.
10260 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
10262 * cpphash.h (IN_I): New flag for directive table.
10263 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
10265 (_cpp_check_directive): If -fpreprocessed, execute directives
10266 marked with IN_I. Issue no warnings in this case.
10267 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
10269 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
10271 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
10273 (check_format_info): Support printf 'I' flag; warn about it with
10276 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
10278 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
10279 barrier can't be ignored by the alias analysis code.
10281 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
10283 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
10284 works inside fixincl.
10286 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
10288 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
10289 simplify_relational_operation() unless both operands are of
10291 * cse.c (fold_rtx): Likewise.
10293 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
10295 * rtlanal.c (rtx_unstable_p): The pic register is stable
10296 (within one function) and the actual rtx should be used
10297 when checking the registers.
10298 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
10300 * alias.c (true_dependence, write_dependence_p): Fix
10301 bug in previous patch.
10303 * i386.c (ix86_GOT_alias_set): New.
10304 (legitimize_pic_address): Use it.
10306 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
10307 only stable if its address is stable.
10308 (rtx_varies_p): An unchanging MEM can't vary if
10309 its address doesn't vary.
10311 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10313 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
10315 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10317 * vax.h (ASM_SPEC): Pass `-J' to assembler.
10318 * x-vax-gcc: New file for bootstrapping with gcc.
10319 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
10320 * configure.in: Use x-vax-gcc with gcc.
10321 * configure: Rebuilt.
10323 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10325 * toplev.c (rest_of_compilation): Rebuild label notes after
10326 post-reload splitting pass if new labels have been created.
10328 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
10330 * diagnostic.h (output_buffer_state): New macro.
10331 * diagnostic.c (diagnostic_for_decl, sorry,
10332 default_print_error_function, output_do_verbatim,
10333 report_diagnostic, report_problematic_module): Use it.
10334 (wrap_text): Tweak.
10335 (output_format): Use wrap_text instead of maybe_wrap_text.
10337 2000-08-22 Nick Clifton <nickc@redhat.com>
10339 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
10340 Common code for ARM divide and modulus functions.
10341 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
10343 (FUNC_END): New macro: Common code at the end of the division and
10345 (THUMB_FUNCTION_START): New macro: Common code at the start of
10347 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
10349 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
10351 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
10353 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
10354 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
10357 2000-08-22 Nick Clifton <nickc@redhat.com>
10359 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
10360 restorative additions, test for bottom bits of IP being set,
10361 rather than relying upon the RORs not matching.
10364 2000-08-22 David Edelsohn <edelsohn@gnu.org>
10366 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
10367 text_section() as appropriate instead of emitting text csect
10368 pseudo-op directly.
10369 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
10370 (UNIQUE_SECTION): Define macro.
10371 (ASM_OUTPUT_SECTION_NAME): Define macro.
10372 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
10373 on AIX if debugging and -fdata-sections always.
10375 2000-08-22 Steven King <sxking@uswest.net>
10377 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
10379 (LDBL_MAX): Same here.
10381 2000-08-22 Richard Henderson <rth@cygnus.com>
10383 * flow.c (tidy_fallthru_edge): Update b->end properly.
10385 2000-08-22 Stan Cox <scox@redhat.com>
10387 * Makefile.in (OBJS): Add dependence.o.
10388 * dependence.c: New file.
10390 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
10392 * calls.c (check_sibcall_argument_overlap_1): Adjust for
10393 ARGS_GROW_DOWNWARD.
10394 (check_sibcall_argument_overlap): Likewise.
10396 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
10398 * invoke.texi (SH Options): Document -m4-nofpu,
10399 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
10400 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
10402 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
10404 * c-common.c (check_format_info): Give the 'some locales' warning
10405 for strftime %Ey rather than the unconditional 'only last 2 digits
10408 2000-08-22 Richard Henderson <rth@cygnus.com>
10410 * alias.c (init_alias_analysis): Do not register
10411 struct_value_incoming_rtx or static_chain_rtx as pointing
10414 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
10416 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
10418 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
10420 * diagnostic.h (report_problematic_module): Declare.
10421 * diagnostic.c (report_problematic_module): New function.
10422 (report_error_function): Tweak.
10424 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10426 * stmt.c (expand_goto_internal, fixup_gotos): Only check
10427 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
10429 2000-08-21 Richard Henderson <rth@cygnus.com>
10431 * flow.c (calculate_global_regs_live): Mark frame pointer live
10432 everywhere before reload.
10434 2000-08-21 Jim Wilson <wilson@cygnus.com>
10436 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
10437 INTEL_EXTENDED_IEEE_FORMAT.
10438 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
10439 clear last two bytes of output FP value.
10441 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
10443 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
10445 2000-08-21 Jakub Jelinek <jakub@redhat.com>
10447 * unroll.c (loop_find_equiv_value): If ret is modified between
10448 insn and loop_start, ret might not be equivalent to reg.
10450 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
10452 * c-common.c (init_dollar_format_checking,
10453 maybe_read_dollar_number, finish_dollar_format_checking): New
10455 (dollar_arguments_used, dollar_arguments_count,
10456 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
10458 (check_format_info): Support $ formats for scanf and printf width
10459 and precision. Always increment format_chars to advance past the
10460 '*' of precision, not just when the format parameters are
10461 available to check.
10463 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10465 * mips.c (block_move_loop, expand_block_move,
10466 function_arg_partial_nregs, save_restore_insns, function_prologue,
10467 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
10469 (function_arg_advance, function_arg): Match argument to format
10472 2000-08-21 Nix <nix@esperi.demon.co.uk>
10474 * gcc.c (do_spec_1): Implement %j spec flag.
10475 Remove dead comment.
10477 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
10478 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
10479 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
10480 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
10482 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
10483 writable) instead of hardcoded value.
10485 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
10487 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
10490 * gcc.c (cc1_options): Do not process -o or run the assembler if
10492 * objc/lang-spec.h: Likewise.
10494 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
10496 * fixinc/fixincl.c (fix_with_system): Pipe the output of
10497 "external" fixes through `cat', to avoid truncating the input
10498 file by redirection.
10500 2000-08-21 Jakub Jelinek <jakub@redhat.com>
10502 * config/i386/i386.md (lea_general_1): Copy insn condition to split
10504 (lea_general_2, lea_general_3): Likewise.
10506 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10508 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
10509 warnings to user code.
10511 * c-lex.c (readescape, yylex): Likewise.
10513 * c-typeck.c (store_init_value, process_init_element): Likewise
10514 (c_expand_start_case): Format.
10516 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
10518 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
10520 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
10521 and linker_endian_spec to endian_spec.
10522 (ENDIAN_SPEC): Add %{EB} and %{EL}.
10523 (LINK_SPEC): Remove %{EB} and %{EL}.
10524 (ASM_SPEC): Likewise. Use %(endian_spec).
10526 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
10528 * c-tree.h (flag_hosted): Move declaration from here...
10529 * c-common.h (flag_hosted): ... to here.
10530 (flag_noniso_default_format_attributes): New declaration.
10531 * c-decl.c (flag_noniso_default_format_attributes): New variable.
10532 (c_decode_option): Set it appropriately for options choosing
10533 language standard variant.
10534 * c-common.c (init_function_format_info): Only provide default
10535 format attributes if flag_hosted. Only provide the gettext
10536 formats if flag_noniso_default_format_attributes. Update
10538 (check_format_info): Disable treatment of %a as a scanf flag in
10541 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
10543 * c-common.c (scan_char_table): Add 'w' to flags for all formats
10545 (check_format_info): Set 'wide' for scanf format widths. Warn for
10546 a zero scanf width. Make the check for writing into a constant
10547 object at the first level of indirection; at later levels, warn if
10548 any type qualifiers are encountered.
10550 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
10552 * reload.c (reload_inner_reg_of_subreg): New function broken out of
10554 (push_reload): Use reload_inner_reg_of_subreg.
10555 (combine_reloads): Do not combine reloads if the input reload
10556 is a SUBREG in which the inner part will need reloading.
10558 * global.c (global_alloc): Avoid passing dumpfile argument to
10560 * toplev.c (rest_of_compilation): Likewise.
10561 * reload.h (reload): Remove dumpfile argument. Callers changed.
10562 (debug_reload, debug_reload_to_stream): Move prototypes here.
10563 * rtl.h (reload): Remove dumpfile argument.
10564 * reload.c (debug_reload): Remove prototype.
10565 (debug_reload_to_stream): Likewise.
10566 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
10569 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
10571 * diagnostic.c (context_as_prefix): Export.
10572 (need_error_newline): Remove.
10573 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
10574 (error_module_changed, record_last_error_module,
10575 error_function_changed, record_last_error_function): New functions.
10576 (initialize_diagnostics): Default intialize
10577 lang_diagnostic_starter, lang_diagnostic_finalizer.
10578 (init_output_buffer): Tweak.
10579 (file_name_as_prefix): New function.
10580 (announce_function, default_print_error_function,
10581 report_error_function, set_diagnostic_context): Tweak.
10583 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
10585 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
10586 condition expression.
10588 2000-08-20 Richard Henderson <rth@cygnus.com>
10590 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
10592 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
10594 * cppinit.c (cpp_init): Set global flag when called.
10595 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
10597 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
10599 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
10600 before `process_directive' so that newlines won't be missed
10602 (cpp_printf): Increment `print->lineno' when newline is emitted.
10604 * cppmain.c (cb_ident): Likewise.
10605 (cb_define): Likewise.
10606 (cb_undef): Likewise.
10607 (cb_include): Likewise.
10608 (cb_def_pragma): Likewise.
10609 (dump_macros_helper): Likewise.
10611 2000-08-20 Richard Henderson <rth@cygnus.com>
10613 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
10614 assigned before a loop.
10616 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
10617 (ashrsi3, lshrsi3): Likewise.
10619 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
10621 * c-lang.c: #include diagnostic.h
10622 (c_tree_printer): New function.
10623 (lang_init): Initialize lang_printer.
10625 * Makefile.in (c-lang.o): Depends on diagnostic.h
10627 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
10629 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
10631 * diagnostic.c (default_diagnostic_starter,
10632 default_diagnostic_finalizer): New functions.
10633 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
10634 (pedwarn, pedwarn_with_file_and_line, error,
10635 error_with_file_and_line, fatal, warning,
10636 warning_with_file_and_line): Adjust call to report_diagnostic.
10637 (report_diagnostic): Rework.
10638 (set_diagnostic_context): New function.
10640 * diagnostic.h (struct diagnostic_context): New data structure.
10641 (diagnostic_message, diagnostic_argument_list,
10642 diagnostic_file_location, diagnostic_line_location,
10643 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
10644 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
10645 (set_diagnostic_context): Declare.
10646 (report_diagnostic): Change prototype.
10648 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
10650 * fix-header.c (main): Initialize cpplib.
10652 2000-08-19 Michael Meissner <meissner@redhat.com>
10654 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
10655 instructions in it before checking for indirect jumps.
10657 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
10658 in a indirect jump as a potential for conditional execution.
10660 * d30v.h (d30v_init_expanders): Don't declare here.
10661 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
10664 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
10666 * cpp.texi: Add @section for assertions.
10668 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
10670 * loop.c (scan_loop): Use CONST_CALL_P instead of
10671 checking for REG_LIBCALL / REG_RETVAL.
10673 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
10675 * reload1.c (reload_as_needed): Accept dumpfile argument,
10676 pass it to emit_reload_insns.
10677 (emit_reload_insns): Add new dumpfile argument. If non-null
10678 then dump the reloads for each insn into the dumpfile.
10679 (reload): Pass dumpfile to reload_as_needed.
10681 * invoke.texi: Clean up linux-gnu vs linux comments.
10683 2000-08-19 Richard Henderson <rth@cygnus.com>
10685 * config/ia64/ia64.c (reg_or_5bit_operand): New.
10686 (ia64_depz_field_mask): New.
10687 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
10688 (PREDICATE_CODES): Update.
10689 * config/ia64/ia64.md: Update commentary.
10690 (depz_internal): New.
10691 (ashlsi3): Implement directly.
10692 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
10693 (ashldi3): Use shladd.
10694 * config/ia64/ia64-protos.h: Update.
10696 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
10698 * toplev.c (independent_decode_option): Always process -g.
10699 Remove third argument, now unused. Adjust caller to match.
10701 2000-08-18 Richard Henderson <rth@cygnus.com>
10703 * combine.c (make_compound_operation): Break after creating
10706 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
10708 * cpplib.c (cpp_register_pragma_space): Just return if the
10709 namespace is already registered.
10711 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
10713 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
10714 constant amount. Do not generate ROTL instruction.
10716 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
10718 * config/sh/elf.h: Do not include sh/sh.h.
10719 * config/sh/rtems.h: Likewise.
10720 * config/sh/rtemself.h: Do not include sh/elf.h.
10721 * configure.in: Get them included with `tm_file's.
10722 * configure: Rebuilt.
10724 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
10725 * config/sh/sh.c (fpscr_set_from_mem): Use them.
10727 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10729 * stor-layout.c (compute_record_type): Don't use mode of single
10730 field as mode of record if not integer mode of same type.
10732 * regmove.c (perhaps_ends_bb_p): New function.
10733 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
10734 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
10735 (fixup_match_1): Likewise.
10736 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
10737 avoid signed/unsigned warnings.
10739 * function.c (fixup_var_refs_1, case MEM): Update CODE after
10742 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
10744 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
10745 (_cpp_trigraph_map): Declaration moved from cpplex.c
10747 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
10748 instead of 256. Use consistent test for designated initializers.
10749 (cpp_init): Initialize trigraph_map.
10750 (initialize_standard_includes, parse_option): Use memcmp
10751 instead of strncmp.
10753 * cpplex.c (init_trigraph_map): Remove.
10754 (trigraph_ok, trigraph_replace, lex_line): Refer to
10757 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
10758 (do_unassert): Remove unused "next" local.
10760 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
10762 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
10764 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
10767 2000-08-17 Richard Henderson <rth@cygnus.com>
10769 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
10770 the first insn in a sequence.
10772 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
10774 * alias.c (true_dependence, write_dependence_p): A read
10775 involving a label_ref or the constant pool doesn't create
10778 * rtl.h (unchanging): Improve documentation.
10780 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
10782 * cse.c (insert_regs): Remove unused `regno'.
10784 2000-08-17 Neil Booth <NeilB@earthling.net>
10786 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
10787 remove_dup_dirs. If qtail == brack, remove brack not
10789 (remove_dup_dir, remove_dup_dirs): New functions.
10791 2000-08-17 Neil Booth <NeilB@earthling.net>
10793 * cppinit.c (cpp_cleanup): Free include dir chains.
10794 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
10795 (do_unassert): Free the assert with _cpp_free_definition.
10796 * cppmacro.c (_cpp_free_definition): Free memory allocated for
10797 assertions. Make the node a T_VOID node.
10799 2000-08-17 Neil Booth <NeilB@earthling.net>
10801 * cppinit.c (path_include, append_include_chain):
10802 Remove 2nd parameter (struct cpp_pending *).
10803 (path_include, initialize_standard_includes, cpp_handle_option):
10804 Update callers appropriately.
10805 (cpp_handle_option): Use pend.
10807 2000-08-17 Neil Booth <NeilB@earthling.net>
10809 * cppinit.c (sort_options): Remove, put functionality in
10812 (initialize_builtins): Free memory.
10813 (cpp_start_read): Move init_IStable to cpp_init.
10815 * cpplib.h (cpp_init): New prototype.
10816 * cppmain.c (main): Call cpp_init.
10818 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
10820 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
10821 (rtx_unstable_p, rtx_varies_p): Process vectors.
10823 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
10825 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
10826 references to GLOBAL symbols. Use LOCAL where appropriate.
10828 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10830 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
10831 use t-aix41 when host == target.
10833 2000-08-16 Richard Henderson <rth@cygnus.com>
10835 * reload.c (push_secondary_reload): Revert last change.
10836 If we use a reload_in/out pattern, make the when the same
10837 as the primary reload.
10838 (find_reloads): Likewise.
10840 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
10842 * configure.in (libstdcxx-v3): Fix test.
10843 * configure: Regenerate.
10845 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10847 * calls.c (calls_function_1, expand_call): Only test
10848 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
10849 * function.c (thread_prologue_and_epilogue_insns): Likewise.
10851 2000-08-16 Richard Henderson <rth@cygnus.com>
10853 * combine.c (simplify_shift_const): Revert previous two
10854 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
10855 before the main loop.
10857 2000-08-15 Richard Henderson <rth@cygnus.com>
10859 * combine.c (simplify_shift_const): Bound shift count when
10862 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10864 * calls.c (ECF_SP_DEPRESSED): New macro.
10865 (calls_function_1): Treat calling sp-depressed function as alloca.
10866 (emit_call_1): Don't adjust SP if calling sp-depressed function.
10867 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
10868 If sp-depressed, ensure block saves and restores SP.
10869 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
10871 * function.c (keep_stack_depressed): New function.
10872 (thread_prologue_and_epilogue_insns): Call it.
10873 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
10874 to print DECL_OFFSET_ALIGN.
10875 Print no-force-blk and transparent-union flags properly.
10876 * stmt.c (expand_goto_internal): Don't restore stack if last block
10877 and function returns with sp depressed.
10878 (fixup_gotos): Likewise.
10879 (save_stack_pointer): New function, from code in expand_decl.
10880 (expand_decl): Call new function.
10881 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
10882 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
10883 (save_stack_pointer): New declaration.
10885 * diagnostic.c (fatal_function): New variable.
10886 (set_fatal_function): New function.
10888 * diagnostic.h (set_fatal_function): New declaration.
10890 2000-08-15 William Cohen <wcohen@redhat.com>
10892 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
10893 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
10894 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
10896 2000-08-15 Richard Henderson <rth@cygnus.com>
10898 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
10900 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10902 * arm.c (arm_function_ok_for_sibcall): New function.
10903 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
10904 * arm.md (call expanders): Don't check here for calls that can't
10907 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10909 * arm.md (splits generating cond_exec): Disable.
10911 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10913 * arm/linux-elf.h (text_section): Delete declaration.
10915 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10917 ARM support for unordered FP operations.
10918 * arm-protos.h (arm_comparison_operator): Declare.
10919 * arm.c (arm_comparison_operator): New function.
10920 (arm_select_cc_mode): Add unordered comparison codes.
10921 (get_arm_condition_code): Likewise.
10922 (arm_final_prescan_insn): Can't handle unordered jumps that can't
10923 be done in one insn.
10924 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
10925 * arm.md (all uses of comparison_operator): Replace with
10926 arm_comparison_operator.
10927 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
10929 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
10932 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10934 * gthr-posix.h: Conditionally include <sched.h>; include
10935 <config.h> from libobjc/.
10937 2000-08-14 Richard Henderson <rth@cygnus.com>
10939 * config/i386/i386.c (legitimize_pic_address): Use Pmode
10942 2000-08-14 Richard Henderson <rth@cygnus.com>
10944 * configure.in (ia64-*): Set float_format for i386 long double.
10946 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
10947 as we would for i386 XFmode.
10948 (PUT_REAL): Likewise.
10949 (endian, ereal_atof, real_value_truncate): Likewise.
10950 (ereal_isneg, toe64, etens, make_nan): Likewise.
10951 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
10953 * config/ia64/ia64-protos.h: Update.
10954 * config/ia64/ia64.c (general_tfmode_operand): New.
10955 (destination_tfmode_operand): New.
10956 (tfreg_or_fp01_operand): New.
10957 (ia64_split_timode): New.
10958 (spill_tfmode_operand): New.
10959 (ia64_expand_prologue): Use TFmode not XFmode.
10960 (ia64_expand_epilogue): Likewise.
10961 (ia64_function_arg): Likewise.
10962 (ia64_function_arg_advance): Likewise.
10963 (ia64_return_in_memory): Likewise.
10964 (ia64_function_value): Likewise.
10965 (ia64_print_operand): Likewise.
10966 (ia64_register_move_cost): Set GR<->FR to 5.
10967 (ia64_secondary_reload_class): Get GR for TImode memory op.
10968 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
10969 (ROUND_TYPE_ALIGN): Remove.
10970 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
10971 (INTEL_EXTENDED_IEEE_FORMAT): Define.
10972 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
10973 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
10974 (MODES_TIEABLE_P): Use TFmode, not XFmode.
10975 (CLASS_MAX_NREGS): Likewise.
10976 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
10977 (PREDICATE_CODES): Update.
10978 * config/ia64/ia64.md (movti): New.
10979 (movti_internal): Use a clobber for memory alternatives.
10980 (reload_inti, reload_outti): New.
10981 (movsfcc_astep): Predicate properly.
10982 (movdfcc_astep): Likewise.
10985 (extendsftf2, extenddftf2): New.
10986 (trunctfsf2, trunctfdf2): New.
10987 (floatditf2, fix_trunctfdi2): New.
10988 (floatunsditf2, fixuns_trunctfdi2): New.
10989 (addtf3, subtf3, multf3, abstf2): New.
10990 (negtf2, nabstf2, mintf3, maxtf3): New.
10991 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
10993 (fr_spill): Use TFmode, not XFmode.
10994 (fr_restore): Likewise.
10995 * config/ia64/lib1funcs.asm (__divtf3): New.
10996 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
10998 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11000 * cse.c (fold_rtx): Avoid empty body in an if-statement.
11002 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
11003 `U' integer constant suffix.
11005 * dwarf2out.c (add_subscript_info): Avoid empty body in an
11008 * sparc/sol2.h (__enable_execute_stack): Prototype.
11010 2000-08-14 David Edelsohn <edelsohn@gnu.org>
11012 * collect2.c: Remove use of AIX import file.
11014 * longlong.h: Test ARCH_PWR not ARCH_POWER.
11016 * rs6000.c (print_operand, case 'E'): Add else.
11018 2000-08-14 Richard Henderson <rth@cygnus.com>
11020 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
11021 (movdi_symbolic): New.
11023 2000-08-14 Jim Wilson <wilson@cygnus.com>
11025 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
11026 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
11027 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
11030 2000-08-14 Richard Henderson <rth@cygnus.com>
11032 * expr.c (emit_group_load): Don't force constants into registers.
11033 Special case source already in the correct mode.
11035 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
11037 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
11038 * fixinc/inclhack.def: Likewise.
11039 * fixinc/mkfixinc.sh: Likewise.
11040 * configure: Regenerate.
11041 * fixinc/fixincl.x: Regenerate.
11042 * install.texi: Document equivalence of linux and linux-gnu.
11044 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11046 * cse.c (insert_regs): Also in REG case: When finding an invalid
11047 value, and we make a new quantity, make sure that it won't be
11048 mistaken by for a valid one by mention_regs.
11050 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
11052 * h8300.md: Remove obsolete peepholes.
11054 2000-08-13 Kazu Hirata <kazu@hxi.com>
11056 * invoke.texi (H8/300 Options): Fix typos.
11057 * config/h8300.c: Fix formatting.
11058 * config/h8300.h: Fix comment typos.
11059 (OVERRIDE_OPTIONS): Fix formatting.
11061 * function.c: Fix formatting.
11063 * cse.c: Fix formatting.
11065 2000-08-13 Geoff Keating <geoffk@cygnus.com>
11067 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
11068 (attempt_auto_inc): Suppress parentheses warning.
11069 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
11070 * loop.c (load_mems): Remove `u' suffix in two places.
11071 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
11073 * config/rs6000/rs6000.h: Likewise.
11074 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
11075 __eabi dummy routine.
11076 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
11077 variable `buf_ptr'.
11079 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
11080 not put stuff in .sdata unnecessarily.
11081 (rs6000_unique_section): New function.
11082 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
11083 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
11085 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
11086 arrays in C99. Don't try to look at DECL_REGISTER of a
11087 COMPONENT_REF. Don't complain twice about the same error.
11089 * fixinc/inclhack.def (aix_pthread): New fix.
11090 (aix_sysmachine): New fix.
11091 * fixinc/fixincl.x: Regenerate.
11093 * expr.c (expand_expr): Call convert_modes when turning a large
11094 multiply into a small one.
11096 2000-08-12 Geoff Keating <geoffk@cygnus.com>
11098 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
11099 the tree structure an exponent rather than an explicit alignment
11100 so it doesn't overflow.
11101 (SET_DECL_OFFSET_ALIGN): New macro.
11102 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
11103 rather than DECL_OFFSET_ALIGN.
11104 (place_field): Likewise.
11105 * expmed.c (store_bit_field): Abort on align==0 to avoid
11106 antisocial machine behaviour.
11108 2000-08-12 Richard Henderson <rth@cygnus.com>
11110 * sibcall.c (uses_addressof): Accept both addressof and
11111 current_function_internal_arg_pointer inside a mem.
11112 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
11113 if current_function_uses_addressof.
11114 * stmt.c (expand_return): Kill tail recursion and HAVE_return
11117 2000-08-11 Richard Henderson <rth@cygnus.com>
11119 * config/ia64/ia64.md (addsi3): Remove expander.
11120 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
11121 (*addsi3_shladd): New.
11123 2000-08-11 Richard Henderson <rth@cygnus.com>
11125 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
11126 (do_restore): Likewise.
11127 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
11128 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
11129 (rtx_needs_barrier): Track actual bit manipulation for
11130 ar.unat moves, gr_spill, and gr_restore.
11131 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
11132 (process_set): Don't handle varargs spills.
11133 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
11134 .mem.offset here instead of in process_set.
11135 (gr_restore): Likewise.
11137 2000-08-11 Richard Henderson <rth@cygnus.com>
11139 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
11141 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
11143 * gcc.texi (The Configuration File): Document
11144 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
11145 UPDATE_PATH_HOST_CANONICALIZATION.
11147 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11149 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
11150 unprototyped function pointer casts on integer constants.
11152 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
11154 * fixproto: Recognize DOS paths with drive letters as absolute paths.
11156 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
11158 * extend.texi (Volatiles): Fix typos.
11160 2000-08-11 Kazu Hirata <kazu@hxi.com>
11162 * flow.c: Fix formatting.
11164 2000-08-11 Richard Henderson <rth@cygnus.com>
11166 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
11167 pattern, always allocate a tertiary scratch register.
11169 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
11170 (reload_inhi): Likewise.
11172 2000-08-11 Richard Henderson <rth@cygnus.com>
11174 * function.c (put_reg_into_stack): Allow type to be NULL.
11175 (schedule_fixup_var_refs): Likewise.
11176 (gen_mem_addressof): Allow decl to be NULL.
11177 (put_addressof_into_stack): Likewise.
11179 * flow.c (merge_blocks_nomove): Be more careful about
11180 locating the beginning of block A.
11182 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
11184 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
11189 * config.in: Reverted the check for <sched.h>.
11191 2000-08-10 Chris Demetriou <cgd@sibyte.com>
11193 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
11194 macros define the name of CTOR and DTOR sections.
11195 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
11196 DTOR_LIST_END): Change to use attributes to specify
11198 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
11199 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
11200 DTOR_LIST_END): Same as in mips/elf.h.
11202 2000-08-10 Drew Moseley <dmoseley@redhat.com>
11204 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
11205 disabling just crt0.o.
11207 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
11209 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
11210 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
11211 (EXTRA_SPECS): Add them.
11212 * arm/lib1funcs.asm: Support builds for interworking.
11213 Use macros to eliminate duplicated pieces of code.
11215 2000-08-10 Kazu Hirata <kazu@hxi.com>
11217 * h8300.c (expand_a_rotate): New.
11218 (emit_a_rotate): Likewise.
11219 (h8300_adjust_insn_length): Add support for the rotate insns.
11220 * h8300.md (rotlqi3): New.
11221 (*rotlqi3_1): Likewise.
11222 (rotlhi3): Likewise.
11223 (*rotlhi3_1): Likewise.
11224 (rotlhi3): Likewise.
11225 (*rotlhi3_1): Likewise.
11226 * h8300-proto.h: Add prototypes for expand_a_rotate and
11229 * h8300.c: Fix comment typos.
11230 (dosize): Declare the variable amount as unsigned.
11231 (get_shift_alg): Fix a comparison between signed and unsigned.
11232 (emit_a_shift): Likewise.
11233 (h8300_adjust_insn_length): Simplify the code.
11235 * c-decl.c: Fix formatting.
11237 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11239 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
11240 warning about non-traditional numeric constant suffixes.
11242 * cppexp.c (parse_number): Likewise.
11244 * invoke.texi: (-Wtraditional): Document new behavior.
11246 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
11248 * gthr-posix.h: Include auto-host.h. Conditionally include
11250 * configure.in: Check for the <sched.h> header file.
11251 * config.in: Added define for HAVE_SCHED_H.
11253 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11255 * c-typeck.c (process_init_element): For -Wtraditional, warn about
11256 initialization of unions.
11258 * invoke.texi (-Wtraditional): Document new behavior.
11260 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
11262 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
11263 instead of extra_c_flags.
11264 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
11265 * configure: Regenerate.
11266 * config.in: Regenerate.
11268 * cpperror.c (cpp_type2name): New function.
11269 * cpplex.c (lex_line): If we issued an error for an invalid
11270 preprocessing directive, discard that logical line.
11271 * cpplib.c (do_line): Call a hook function if the current file
11272 is renamed by #line.
11273 (do_ident): Pass the contents of the string, not the entire
11274 token, to the callback function.
11275 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
11276 (cb.rename_file): New hook function.
11277 (cb.ident): Adjust prototype.
11278 (cpp_type2name): Prototype.
11279 * cppmacro.c (dump_macro_args): Correct precedence lossage.
11281 * cppmain.c (cb_ident): Update for changed interface.
11282 (cb_rename_file): New function.
11283 (main): Set rename callback.
11285 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
11287 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
11288 multi-word registers.
11290 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
11292 * c-common.c (combine_strings, check_format_info): Refer to ISO C
11293 or ISO C89 instead of ANSI C.
11294 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
11295 build_enumerator, do_case): Likewise.
11296 * c-lex.c (parse_float, yylex): Likewise.
11297 * c-parse.in: Likewise.
11298 * c-typeck.c (common_type, build_array_ref, build_binary_op,
11299 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
11300 build_c_cast, convert_for_assignment, set_init_index,
11301 set_init_label, c_expand_start_case): Likewise.
11302 * toplev.c (documented_lang_options, display_help): Likewise.
11304 2000-08-08 Kazu Hirata <kazu@hxi.com>
11306 * h8300.c: Fix formatting.
11307 * h8300.h: Likewise.
11308 * h8300.md: Likewise.
11309 (movsi_h8300hs): Fix formatting of the resulting assembly code.
11311 * reload1.c: Fix formatting.
11313 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
11315 * alpha/alpha.c (alpha_emit_xfloating_libcall):
11316 Use GEN_CALL_VALUE define.
11317 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
11318 * clipper/clipper.md (untyped_call): Likewise.
11319 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
11320 * fx80/fx80.md (untyped_call): Likewise.
11321 * mips/mips.md (untyped_call): Likewise.
11322 * ns32k/ns32k.md (untyped_call): Likewise.
11323 * pa/pa.md (untyped_call): Likewise.
11324 * romp/romp.md (untyped_call): Likewise.
11325 * sparc/sparc.md (untyped_call): Likewise.
11327 2000-08-08 Jason Eckhardt <jle@cygnus.com>
11329 * config/i860/i860.c (singlemove_string): Do not generate assembler
11330 pseudo instructions that must be expanded (that is, with signed
11331 constants larger than 16 bits).
11333 2000-08-08 Richard Henderson <rth@cygnus.com>
11335 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
11336 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
11337 (init_propagate_block_info): Don't kill memory stores at -O0.
11338 (mark_set_1, mark_used_regs): Likewise.
11340 2000-08-08 David Edelsohn <edelsohn@gnu.org>
11342 * rs6000.c (optimization_options): Decorate 'level' as
11344 (mask64_operand): Remove sign-extend thinko.
11345 (rldic_operand): New function.
11346 (load_multiple_operation): regno's are unsigned ints.
11347 (store_multiple_operation): Likewise.
11348 (lmw_operation): Likewise.
11349 (stmw_operation): Likewise.
11350 (includes_lshift_p): shift_mask is unsigned int.
11351 (includes_lshift64_p): New function.
11352 (addrs_ok_for_quad_peep): unsigned int reg1.
11353 (print_operand): Consistently add "else" after
11354 output_operand_lossage().
11355 (print_operand, case 'b'): Fold in case 'W'.
11356 (print_operand, case 'W'): Print rldic MB value.
11357 (output_epilogue): Update Objective-C language string.
11358 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
11359 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
11360 * rs6000.md (ashldi3): Add rldic instruction.
11361 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
11362 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
11365 2000-08-08 Richard Henderson <rth@cygnus.com>
11367 * config/ia64/ia64-protos.h: Remove duplicates. Update
11368 for massive code rearrangements.
11369 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
11370 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
11371 (ia64_local_regs, ia64_need_regstk): Remove.
11372 (ar_ccv_reg_operand): New.
11373 (ia64_gp_save_reg): New.
11374 (struct ia64_frame_info): Combine most of the size elements;
11375 add new gr save elements.
11376 (find_gr_spill): New.
11377 (next_scratch_gr_reg): New.
11378 (mark_reg_gr_used_mask): New.
11379 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
11380 to GR backing store regs when possible.
11381 (ia64_initial_elimination_offset): New.
11382 (ia64_rap_fp_offset): Remove.
11383 (save_restore_insns): Remove.
11384 (setup_spill_pointers): New.
11385 (finish_spill_pointers): New.
11386 (spill_restore_mem): New.
11387 (do_spill, do_restore): New.
11388 (ia64_expand_prologue): Rewrite to use them.
11389 (ia64_expand_epilogue): Likewise.
11390 (ia64_direct_return): Update for current_frame_info changes.
11391 (ia64_function_prologue): Simplify .prologue emission. Emit
11392 .spill when needed.
11393 (ia64_setup_incoming_varargs): Don't ever emit rtl.
11394 (ia64_dbx_register_number): New.
11395 (ia64_initialize_trampoline): New.
11396 (ia64_secondary_reload_class): Request GR_REGS for integer
11397 arithmetic destined for FR_REGS.
11398 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
11399 (ia64_mark_machine_status): Mark ia64_gp_save.
11400 (rws_access_regno): Rename from rws_access_reg; don't treat
11401 predicates specially.
11402 (rws_access_reg): New. Update all callers.
11403 (rtx_needs_barrier): Remove dead unspecs.
11404 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
11405 (ia64_encode_section_info): Silence signed/unsigned warnings.
11406 (spill_offset, sp_offset, spill_offset_emitted): Remove.
11407 (tmp_reg, tmp_saved): Remove.
11408 (process_set): Rewrite to expect complicated bits via
11409 REG_FRAME_RELATED_EXPR.
11410 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
11411 in the use of ar.ccv; never set RTX_UNCHANGING_P.
11412 (ia64_expand_op_and_fetch): Likewise.
11413 (ia64_expand_compare_and_swap): Likewise.
11414 (ia64_expand_builtin): Likewise.
11415 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
11416 (FIRST_PSEUDO_REGISTER): Update.
11417 (AR_M_REGNO_P): Update.
11418 (FIXED_REGS): Don't mark three local registers as used.
11419 (EXTRA_CC_MODES): New.
11420 (SELECT_CC_MODE): New.
11421 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
11422 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
11423 (FRAME_GROWS_DOWNWARD): Unset.
11424 (STARTING_FRAME_OFFSET): Zero.
11425 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
11426 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
11427 (HARD_FRAME_POINTER_REGNUM): New.
11428 (CAN_DEBUG_WITHOUT_FP): Define.
11429 (TRAMPOLINE_TEMPLATE): Remove.
11430 (TRAMPOLINE_SIZE): Lower to 32.
11431 (TRAMPOLINE_ALIGNMENT): Lower to 64.
11432 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
11433 (PREDICATE_CODES): Update.
11434 (struct machine_function): Add ia64_gp_save.
11435 * config/ia64/ia64.md: Purge unused unspecs.
11436 (movsi patterns): Allow moves to/from AR_M_REGS.
11437 (movdi patterns): Allow moves to/from p0.
11438 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
11439 (gr_spill, gr_restore): Indicate ar.unat read/written.
11440 (nonlocal_goto): Don't pass old frame_pointer.
11441 (nonlocal_goto_receiver): Remove.
11442 (exception_receiver): New.
11443 (builtin_setjmp_setup): New.
11444 (builtin_setjmp_receiver): New.
11445 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
11446 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
11447 (__ia64_restore_stack_nonlocal): Likewise.
11448 (__ia64_trampoline): New.
11449 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
11451 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
11453 2000-08-08 Richard Henderson <rth@cygnus.com>
11455 * frame.h (ia64_frame_state): Add my_psp.
11456 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
11457 (__throw): Pass it in. Don't clobber r7.
11458 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
11459 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
11460 and nothing to do with sp.
11461 (normalize_reg_loc): Use frame->my_psp.
11462 (frame_translate): Handle frame-pointer-less functions. Set
11463 spill_base correctly, in absence of being told.
11464 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
11465 (__ia64_backtrace_helper): New sp argument. Use
11466 builtin_return_address instead of label addresses.
11467 (print_record) [mem_stack_v]: No size member.
11469 2000-08-08 Richard Henderson <rth@cygnus.com>
11471 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
11473 2000-08-08 Richard Henderson <rth@cygnus.com>
11475 * tm.texi (LOCAL_REGNO): Document.
11476 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
11477 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
11478 * reload1.c (reload): Likewise when considering nonlocal labels.
11480 * config/ia64/ia64.h (LOCAL_REGNO): New.
11481 * config/sparc/sparc.h (LOCAL_REGNO): New.
11483 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
11485 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
11487 2000-08-07 Nick Clifton <nickc@redhat.com>
11489 * config/mips/mips.c: Fix compile time warning messages.
11490 * config/mips/mips-protos.h: Add prototype for equality_op.
11492 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
11494 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
11496 * mn10300.md: Use nonimmediate_operand instead of general_operand
11497 on output operands.
11499 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
11501 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
11503 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
11504 * sh.c (expand_block_move): Break long lines.
11505 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
11506 * sh.md (mulsi3): Likewise.
11507 (movdi): Adjust spacing.
11509 2000-08-07 Richard Henderson <rth@cygnus.com>
11511 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
11512 * expr.c (emit_group_store): Don't set it.
11514 2000-08-07 Kazu Hirata <kazu@hxi.com>
11516 * invoke.texi (Options for Debugging Your Program or GCC): Remove
11517 duplicate entries for 'w' and 'z'.
11519 * flow.c: Fix a comment typo.
11521 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
11523 * c-parse.in: Changed the language string for Objective-C to "GNU
11526 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
11528 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
11529 to improve the Posix thread support for Objective-C.
11531 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
11533 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
11534 CTI_UNSIGNED_PTRDIFF_TYPE.
11535 (signed_size_type_node): Define.
11536 (unsigned_ptrdiff_type_node): Define.
11537 * c-decl.c (init_decl_processing): Create the
11538 signed_size_type_node and unsigned_ptrdiff_type_node types.
11539 * c-common.c (T_SC): Define.
11542 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
11543 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
11545 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
11546 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
11547 flags for %c, %s and %[.
11548 (check_format_info): Only allow leniency for signedness of targets
11549 of character pointers (when pedantic) for formats flagged with
11550 "c", so for strings but not for %hh formats. When pedantic, don't
11551 allow character pointers to substitute for void pointers if a
11552 second level of indirection is present.
11554 2000-08-06 Kazu Hirata <kazu@hxi.com>
11556 * invoke.texi (Options for Debugging Your Program or GCC): Update
11557 the names of dump files.
11559 * h8300.c (dosize): Rearrange code for conciseness.
11560 (split_adds_subs): Likewise.
11562 * loop.c: Fix formatting.
11564 * dwarf2out.c: Fix formatting.
11566 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
11568 * expr.c: Fix formatting.
11570 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11572 * rs6000.c (rs6000_maybe_dead): Prototype.
11574 2000-08-06 Richard Henderson <rth@cygnus.com>
11576 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
11577 HAVE_nonlocal_goto as well.
11578 * config/i960/i960.md (nonlocal_goto): Don't do it here.
11579 * config/pj/pj.md (nonlocal_goto): Likewise.
11581 2000-08-07 Michael Hayes <mhayes@cygnus.com>
11583 * loop.c (try_swap_copy_prop): New function.
11584 (load_mems): Rename copies to load_copies and add new regset
11585 store_copies. Check for sets of shadow registers and mark
11586 in store_copies. Call try_swap_copy_prop for registers
11587 marked in store_copies.
11589 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
11591 * objc/objc-act.c: New command line option -fconstant-string-class
11592 to allow specifying a user defined constant string class,
11593 different from NXConstantString.
11595 * toplev.c: Moved the Objective-C specific options to
11596 objc/lang-options.h.
11598 * objc/lang-options.h: Moved the Objective-C specific options from
11599 toplev.c. Added -fconstant-string-class.
11601 2000-08-05 Chris Demetriou <cgd@sibyte.com>
11603 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11604 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
11605 __CTOR_LIST__ from func_ptr array to just func_ptr, to
11606 avoid extra alignment imposed on arrays.
11607 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11608 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
11610 * mips.h: Clean up comments and spacing near MASKs.
11611 (TARGET_UNIX_ASM): Delete.
11612 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
11613 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
11616 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
11618 * c-common.c (print_char_table): Add entries for the X/Open '
11619 format flag (print decimals with locale's thousands grouping
11620 character). Make %C expect wint_t.
11621 (check_format_info): If pedantic, warn when the %n$ operand
11622 number form is used. Allow for the ' flag; warn about it if
11625 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
11627 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
11628 type is a float mode, cfun->decl's return type is not, and
11629 TARGET_FLOAT_RETURNS_IN_80387.
11631 2000-08-04 Andreas Schwab <schwab@suse.de>
11633 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
11634 token list, which are always `#' and `pragma'.
11636 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
11638 * tree.c (tree_expr_nonnegative_p): Move to...
11639 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
11640 (rtl_expr_nonnegative_p): New.
11641 * tree.h: Add prototype for rtl_expr_nonnegative_p.
11643 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
11644 CONST_DOUBLE_CHAIN: Move to...
11645 * rtl.h: ...here. Use XCINT/XCEXP.
11647 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
11648 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
11649 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
11652 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
11654 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11656 * config/c4x/c4x.md (return_indirect_internal): New.
11657 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
11659 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11661 * c-common.c (time_char_table): Mark up formats added in C99 and
11662 make other corrections. %D and %g were added in C99. %Og is an
11663 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
11664 C99. %e was added in C99. %Oj is an extension. %G and %z are in
11665 C99 rather than GNU extensions, but %OG and %Oz are extensions.
11666 %h was added in C99. %C was added in C99. %OY and %OC are
11667 extensions. Add the C99 format %F.
11668 (check_format_info): If pedantic and not in C99 mode, warn for C99
11669 formats, %E and %O.
11671 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11673 * function.c (schedule_fixup_var_refs): New function, broken out
11674 of put_reg_into_stack.
11675 (put_reg_into_stack): Use it.
11676 (put_var_into_stack): In CONCAT case, fixup up references for
11677 components only after fixing up references to the whole concat.
11679 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
11681 * alias.c (mark_constant_function): Use INSN_P.
11682 (init_alias_analysis): Likewise.
11683 * combine.c (combine_instructions): Use INSN_P.
11684 (can_combine_p): Likewise.
11685 (try_combine): Likewise.
11686 (distribute_notes): Likewise.
11687 (distribute_links): Likewise.
11688 * cse.c (cse_around_loop): Use INSN_P.
11689 (invalidate_skipped_block): Likewise.
11690 (cse_set_around_loop): Likewise.
11691 (cse_end_of_basic_block): Likewise.
11692 (delete_trivially_dead_insns): Likewise.
11693 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
11694 (unshare_all_rtl_1): Likewise.
11695 (next_cc0_user): Likewise.
11696 (try_split make_insn_raw): Likewise.
11697 (remove_unnecessary_notes): Likewise.
11698 * final.c (shorten_branches): Use INSN_P.
11699 (leaf_renumber_regs): Likewise.
11700 (leaf_renumber_regs_insn): Likewise.
11701 * flow.c (find_label_refs): Use INSN_P.
11702 (verify_wide_reg): Likewise.
11703 (notice_stack_pointer_modification): Likewise.
11704 (count_or_remove_death_notes): Likewise.
11705 (verify_flow_info): Likewise.
11706 (clear_log_links): Likewise.
11707 * function.c (fixup_var_refs_insns): Use INSN_P.
11708 (compute_insns_for_mem): Likewise.
11709 * gcse.c (alloc_gcse_mem): Use INSN_P.
11710 (compute_sets): Likewise.
11711 (compute_hash_table): Likewise.
11712 (classic_gcse): Likewise.
11714 (insert_insn_end_bb): Likewise.
11715 (delete_null_pointer_checks_1): Likewise.
11716 * global.c (expand_preferences): Use INSN_P.
11717 (build_insn_chain): Likewise.
11718 * graph.c (node_data): Use INSN_P.
11719 * haifa-sched.c (priority): Use INSN_P.
11720 (rm_line_notes): Likewise.
11721 (rm_other_notes): Likewise.
11722 (find_insn_reg_weight): Likewise.
11723 (init_target_units): Likewise.
11724 (schedule_block): Likewise.
11725 (compute_block_forward_dependences): Likewise.
11726 (debug_dependencies): Likewise.
11727 (set_priorities): Likewise.
11728 * integrate.c (function_cannot_inline_p): Use INSN_P.
11729 (save_parm_insns): Likewise.
11730 (copy_insn_list): Likewise.
11731 * jump.c (mark_all_labels): Use INSN_P.
11732 (never_reached_warning): Likewise.
11733 * lcm.c (optimize_mode_switching): Use INSN_P.
11734 * local-alloc.c (validate_equiv_mem): Use INSN_P.
11735 (memref_used_between_p): Likewise.
11736 (update_equiv_regs): Likewise.
11737 (block_alloc): Likewise.
11738 (no_conflict_p): Likewise.
11739 * loop.c (scan_loop): Use INSN_P.
11740 (find_and_verify_loops): Likewise.
11741 (count_loop_regs_set): Likewise.
11742 (loop_reg_used_before_p): Likewise.
11743 (strength_reduce): Likewise.
11744 (recombine_givs): Likewise.
11745 (check_dbra_loop): Likewise.
11746 (load_mems): Likewise.
11747 (try_copy_prop): Likewise.
11748 * print-rtl.c (print_rtx): Use INSN_P.
11749 * recog.c (find_single_use): Use INSN_P.
11750 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
11751 (next_flags_user): Likewise.
11752 (swap_rtx_condition): Likewise.
11753 * regmove.c (mark_flags_life_zones): Use INSN_P.
11754 (optimize_reg_copy_1): Likewise.
11755 (optimize_reg_copy_2): Likewise.
11756 (optimize_reg_copy_3): Likewise.
11757 (reg_is_remote_constant_p): Likewise.
11758 (fixup_match_2): Likewise.
11759 (regmove_optimize): Likewise.
11760 (fixup_match_1): Likewise.
11761 * regrename.c (build_def_use): Use INSN_P.
11762 (replace_reg_in_block): Likewise.
11763 (consider_use): Likewise.
11764 * reload.c (find_equiv_reg): Use INSN_P.
11765 * reload1.c (reload): Use INSN_P.
11766 (maybe_fix_stack_asms): Likewise.
11767 (calculate_needs_all_insns): Likewise.
11768 (reload_as_needed): Likewise.
11769 (emit_output_reload_insns): Likewise.
11770 (delete_address_reloads_1): Likewise.
11771 (reload_cse_regs_1): Likewise.
11772 (reload_combine): Likewise.
11773 (reload_cse_move2add): Likewise.
11774 * reorg.c (redundant_insn): Use INSN_P.
11775 (dbr_schedule): Likewise.
11776 * resource.c (find_dead_or_set_registers): Use INSN_P.
11777 (mark_target_live_regs): Likewise.
11778 * rtlanal.c (reg_used_between_p): Use INSN_P.
11779 (reg_referenced_between_p): Likewise.
11780 (reg_set_between_p): Likewise.
11781 (reg_set_p): Likewise.
11782 (single_set): Likewise.
11783 (multiple_sets): Likewise.
11784 (find_last_value): Likewise.
11785 (reg_set_last): Likewise.
11786 (find_reg_note): Likewise.
11787 (find_regno_note): Likewise.
11788 * sibcall.c (sequence_uses_addressof): Use INSN_P.
11789 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
11790 * ssa.c (find_evaluations): Use INSN_P.
11791 (rename_block): Likewise.
11792 (rename_equivalent_regs): Likewise.
11793 * unroll.c (loop_find_equiv_value): Use INSN_P.
11794 (set_dominates_use): Likewise.
11795 * varasm.c (mark_constant_pool): Use INSN_P.
11796 (mark_constants): Likewise.
11797 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
11798 (alphaev4_next_group): Likewise.
11799 (alphaev5_next_group): Likewise.
11800 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
11801 (c4x_rptb_rpts_p): Likewise.
11802 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
11803 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
11804 (rs6000_adjust_priority): Likewise.
11805 * config/sh/sh.c (sh_loop_align): Use INSN_P.
11806 (machine_dependent_reorg): Likewise.
11807 (split_branches): Likewise.
11808 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
11810 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
11812 * combine.c (recog_for_combine): Remove the old notes
11813 prior to attempting to recognize the new pattern.
11814 (distribute_notes): Ignore REG_NONNEG notes.
11816 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
11818 * varasm.c (output_constructor): Add .align 0 for packed vars.
11820 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11822 * configure.in: Use default thread_file even when enable_threads is
11823 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
11824 * configure: Rebuilt.
11826 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
11828 2000-08-04 Donn Terry (donnte@microsoft.com)
11830 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
11832 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
11834 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
11835 Delete code that conditionally modifies 'version'.
11836 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
11837 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
11838 * gcc.c (main): Use it.
11839 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
11840 * prefix.c (update_path): Use it.
11841 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
11842 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
11843 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
11845 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
11846 (SUBTARGET_SWITCHES): Adjust.
11847 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
11849 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
11851 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11853 * c-common.h (flag_isoc94): Declare.
11854 * c-decl.c (flag_isoc94): Define.
11855 (c_decode_option): Set flag_isoc94 as appropriate.
11856 * c-common.c (T_PD, T_IM, T_UIM): Define.
11857 (format_char_info): Add tlen and jlen.
11858 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
11860 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
11862 (time_char_table): Add NULL entries for %t and %j.
11863 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
11864 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
11865 Warn for printf %lf if pedantic and not C99. Don't warn for empty
11866 precision. Allow precision argument to be unsigned int. If
11867 pedantic, warn for %p passed an argument not a pointer to possibly
11868 qualified void or a possibly qualified character type, and for
11869 pointer targets of the wrong sign, except for character pointers.
11871 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11873 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
11874 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
11875 (wint_type_node): Define.
11876 * c-decl.c (WINT_TYPE): Define.
11877 (init_decl_processing): Create the wint_type_node type.
11878 * c-common.c (T_WI): Define.
11879 (print_char_table): Use T_WI for %lc format.
11881 2000-08-04 Bruce Korb <bkorb@gnu.org>
11883 * fixinc/: Verified that the MSDOS patch does not break
11884 the UNIX functionality and applied the next three patches
11887 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
11889 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
11890 output file with the temporary one by appending ".X" to generate
11891 the temporary fuile's name. If the output file already has an
11892 extension, replace it with ".X".
11894 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
11895 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
11896 reallocate the command buffer while copying the command-line
11897 argument. Redirect the output directly to the temporary file,
11898 instead of going through another temporary file.
11899 (process): Close the temporary file before unlinking it.
11900 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
11901 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
11902 (run_compiles): Pass p_fixd argument to machine_matches, as it
11905 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
11906 environment, assume there are no symlinks in the include
11907 directory. When cleaning up the DONE files, look for them
11908 case-insensitively. Don't try to remove symlinks if they aren't
11911 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
11912 all callers changed. Declare pz "const char *", to avoid compiler
11915 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
11916 Change prototype of make_raw_shell_str.
11918 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
11920 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
11921 (initialize) [__MSDOS__]: Use tempnam.
11922 (initialize): Don't use SIGPIPE if it is not defined.
11924 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
11927 2000-07-25 Bruce Korb <bkorb@gnu.org>
11929 * fixinc/fix*.[ch]: substantially reworked to make it possible
11930 to run this program without using fork(2) or pipe(2) (i.e. in
11931 a DOS environment).
11933 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11935 * cppdefault.h (WINT_TYPE): Define.
11936 * cppinit.c (builtin_array): Define __WINT_TYPE__.
11937 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
11938 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
11940 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
11942 * (mips_legitimate_address_p): Don't allow register+offset
11943 if the offset is large and negative, and we are compiling
11944 for 64 bit registers.
11946 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11948 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
11949 insn_code_number + 1.
11951 2000-08-04 Kazu Hirata <kazu@hxi.com>
11953 * h8300.c (function_prologue): Rearrange code for conciseness.
11954 (function_epilogue): Likewise.
11955 * h8300.h (OK_FOR_U): Fix formatting.
11957 * cse.c: Fix a comment typo. Fix formatting.
11959 2000-08-03 Richard Henderson <rth@cygnus.com>
11961 * config/i386/i386.md (return_indirect_internal): New.
11962 * config/i386/i386.c (ix86_expand_epilogue): Use it.
11964 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
11966 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
11968 (lex_line): Glue @ onto the beginning of identifiers and
11969 string constants, in Objective-C mode.
11970 (output_token, spell_token): Handle CPP_OSTRING.
11971 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
11972 beginning of a NAME or a STRING, in objc mode.
11974 * cpplib.c (get_define_node): Do not permit identifiers that
11975 begin with @ to be #defined.
11976 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
11977 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
11979 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
11980 * c-tree.h (build_objc_string): Delete prototype.
11981 * objc/objc-tree.def: Delete OBJC_STRING_CST.
11982 * c-lex.c (yylex): Use build_string for all three kinds of strings.
11984 * c-parse.in, objc/objc-act.c: Update commentary.
11986 2000-08-03 Mark Mitchell <mark@codesourcery.com>
11988 * extend.texi: Fix typo in last change.
11990 * extend.texi: Add commentary on statement-expressions and their
11991 interactions with C++.
11993 2000-08-03 Nick Clifton <nickc@cygnus.com>
11995 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
11996 * dwarf.h (LANG_JAVA): Change value to 0x000b.
11998 2000-08-03 Anthony Green <green@cygnus.com>
12000 * dwarf2out.c (gen_compile_unit_die): Add java language support.
12001 (add_bound_info): Check for java language.
12002 (is_java): New function.
12003 * dwarfout.c (output_compile_unit_die): Ditto.
12004 * dwarf.h (dwarf_source_language): Add java source language type.
12005 * dwarf2.h (dwarf_source_language): Ditto.
12007 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
12009 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
12012 * i386.c (ix86_expand_branch): Mode of comparison in
12013 IF_THEN_ELSE is VOIDmode.
12015 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
12017 * gengenrtl.c, rtl.c: Avoid #elif.
12019 2000-08-03 Michael Poole <poole@troilus.org>
12021 * tm.texi (Register Classes): Clarify order of sub-initializers
12022 in REG_CLASS_CONTENTS.
12024 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12026 From SAITOH Masanobu:
12027 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
12029 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
12031 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
12032 is not supported by tradcpp and isn't actually needed for cygwin.
12034 2000-08-03 Kazu Hirata <kazu@hxi.com>
12036 * h8300.c: Fix a comment typo.
12037 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
12039 * jump.c: Fix formatting.
12041 * toplev.c: Fix formatting.
12043 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
12045 * flow.c (find_auto_inc): Verify that we've got a REG before
12046 peeking at its regno. Fail, don't abort if we can't find
12047 the increment of the desired register.
12049 * pa.md (shadd height reduction patterns/splitters): Remove.
12051 2000-08-02 Jim Wilson <wilson@cygnus.com>
12053 * config/ia64/ia64-protos.h (flag_ssa): Declare.
12054 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
12056 2000-08-02 Mark Mitchell <mark@codesourcery.com>
12058 * dce.c: Remove all uses of assert.
12059 * dwarf2out.c: Likewise.
12060 * dwarfout.c: Likewise.
12063 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
12065 * gcc.h (lang_specific_driver): Constify second argument.
12066 * gcc.c (translate_options, process_command, main): Likewise.
12067 Constify variables to match. Cast second argument to
12070 * cppspec.c, gccspec.c: Adjust type of second argument to
12071 lang_specific_driver, and update code as necessary.
12073 2000-08-02 Jakub Jelinek <jakub@redhat.com>
12075 * loop.c (scan_loop): Ensure update_end label does not
12076 go away until reg_scan_update is run.
12078 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
12080 * c-common.h: Prototype min_precision and c_build_qualified_type here...
12081 * c-tree.h: ... not here.
12082 * errors.h: Prototype fancy_abort.
12084 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
12085 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
12086 * regrename.c (regrename_optimize): Make control flow explicit.
12087 (replace_reg_in_block): Initialize reg_use to 0.
12089 * i386.c (legitimate_address_p): Rename error label to
12090 report_error to avoid namespace clash.
12092 2000-08-02 Kazu Hirata <kazu@hxi.com>
12094 * fold-const.c: Fix formatting.
12096 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
12098 * i386.c (legitimate_address_p): Accept other bases than
12099 pic_offset_table_rtx for GOTOFF constructs.
12101 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
12103 * i386.md (shift to lea splitter): Use const_int_operand.
12105 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
12107 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
12108 cppspec.c: Do not use 'legal' or 'illegal' in error messages
12111 * cppmain.c (cb_define, cb_undef): Don't generate any output
12112 if not done_initializing.
12113 * cpplex.c (maybe_paste_with_next): When the token after a ##
12114 is an omitted rest argument, only delete the token before it
12115 if that token is a comma. Do not warn about bogus token
12116 pastes for , ## rest_arg.
12118 * cpp.texi: Update.
12119 * cpp.1: Regenerate.
12121 2000-08-02 Fred Fish <fnf@be.com>
12123 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
12124 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
12127 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
12128 Be directories to search path.
12130 Remove support for __declspec(dllimport) and __declspec(dllexport).
12131 This is leftover cruft from the earlier BeOS gcc port when BeOS
12132 used Microsoft's PE object file format.
12133 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
12134 * config/i386/t-beos (winnt.o): Remove Makefile frag.
12135 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
12136 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
12137 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
12138 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
12139 (REDO_SECTION_INFO_P): Remove.
12140 (ASM_EXPORT_DECL): Remove.
12141 (ASM_DECLARE_FUNCTION_NAME): Remove.
12142 (ASM_DECLARE_OBJECT_NAME): Remove.
12143 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
12144 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
12145 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
12146 (STRIP_NAME_ENCODING): Remove.
12148 Remove support for obsolete version of BeOS that is no longer
12150 * configure.in (i*86-*-beospe*): Remove.
12151 * config/i386/beos-pe.h: Remove.
12153 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
12154 Mark Mitchell <mark@codesourcery.com>
12156 * Makefile.in (OBJS): Added dce.o.
12157 (ssa.o): Updated target to include ssa.h.
12158 (flow.o): Likewise.
12159 (toplev.o): Likewise.
12160 (dce.o): Created target.
12161 * basic-block.h: Added comments.
12162 (INVALID_BLOCK): Added definition.
12163 (connect_infinite_loops_to_exit): Added declaration.
12164 Moved SSA declarations to ssa.h.
12165 * flow.c: Added inclusion of ssa.h.
12166 (struct depth_first_search_dsS, depth_first_search_ds):
12168 (compute_immediate_postdominators): Added definition.
12169 (connect_infinite_loops_to_exit): Likewise.
12170 (flow_dfs_compute_reverse_init): Likewise.
12171 (flow_dfs_compute_reverse_add_bb): Likewise.
12172 (flow_dfs_compute_reverse_execute): Likewise.
12173 (flow_dfs_compute_reverse_finish): Likewise.
12174 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
12175 (LABEL_P): Added definition.
12176 (JUMP_P): Likewise.
12177 (NOTE_P): Likewise.
12178 (BARRIER_P): Likewise.
12179 (JUMP_TABLE_DATA_P): Likewise.
12180 (INSN_DEAD_CODE_P): Likewise.
12181 * ssa.c: Replaced inclusions with ssa.h inclusion.
12182 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
12183 (rename_registers): Removed unnecessary variables.
12184 * ssa.h: Created by moving declarations from ssa.c and
12186 * timevar.def: Defined TV_DEAD_CODE_ELIM.
12187 * toplev.c: Added ssa.h inclusion.
12188 (dump_file_index): Added DFI_dce.
12189 (dump_file): Added "dce" entry.
12191 (f_options): Added dce entry.
12192 * invoke.texi: Document -fdce. Emphasize experimental status of
12196 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
12198 * cpperror.c (v_message): Split into _cpp_begin_message and
12199 v_message macro. All callers updated.
12200 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
12203 * cppfiles.c (cpp_syshdr_flags): New function.
12204 (read_include_file): Don't call cpp_output_tokens. Call
12206 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
12207 (cpp_reader_init): Don't initialize token_buffer. Call
12208 _cpp_init_internal_pragmas.
12209 (cpp_cleanup): Don't clear token_buffer.
12210 (cpp_start_read): Don't worry about output from -D processing.
12211 Don't call cpp_output_tokens.
12212 (cpp_finish): Don't dump macros here. Don't call
12214 * cppmacro.c (_cpp_dump_definition): Rename
12215 cpp_dump_definition. Write directly to a FILE *.
12216 (dump_funlike_macro): Delete.
12217 (dump_macro_args): New.
12219 * cpplex.c (TOKEN_LEN): Convert to inline function.
12220 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
12221 cpp_scan_line, _cpp_dump_list): Delete.
12222 (cpp_printf, cpp_output_list): New.
12223 (output_line_command): Don't worry about entering or leaving files.
12224 (cpp_scan_buffer): Just output each token as we hit it.
12225 (process_directive): Don't call cpp_output_tokens.
12226 (_cpp_glue_header_name): Don't use token_buffer.
12227 (output_token, dump_param_spelling): Write directly to a FILE *.
12229 * cpplib.c (pass_thru_directive, dump_macro_name,
12230 pragma_dispatch, do_pragma_gcc): Delete.
12231 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
12232 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
12234 (do_error, do_warning, pragma_dependency): Call
12235 _cpp_begin_message, then cpp_output_list.
12236 (cpp_register_pragma, cpp_register_pragma_space,
12237 _cpp_init_internal_pragmas): New.
12238 (do_pragma): Walk the pragmas table here.
12239 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
12240 do_pragma_dependency): Return void.
12241 (do_pragma_implementation): Moved to cppmain.c.
12243 * cpplib.h: Update prototypes.
12244 (struct cpp_reader): Remove printer, token_buffer,
12245 token_buffer_size, and limit. Add struct cb, and pragmas.
12246 (struct cpp_printer): Remove last_id and written.
12247 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
12248 CPP_ADJUST_WRITTEN): Delete.
12249 * cpphash.h: Update prototypes.
12250 (ufputs): New wrapper.
12252 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
12253 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
12254 (main): Set up callbacks. Register #pragma implementation.
12255 Dump macros from here.
12257 2000-08-01 Geoff Keating <geoffk@cygnus.com>
12259 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
12260 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
12261 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
12262 insns if they have a REG_MAYBE_DEAD note attached.
12263 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
12264 (rs6000_emit_load_toc_table): TOC loads may go dead.
12266 2000-08-01 Jim Wilson <wilson@cygnus.com>
12268 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
12269 type exists before using it. Use number of words as alignment
12271 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
12272 ia64_va_arg): Propagate ia64_function_args changes here.
12274 2000-08-01 Richard Henderson <rth@cygnus.com>
12276 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
12277 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
12279 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
12281 From Joern Rennecke:
12282 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
12283 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
12284 unless TARGET_SH3E is set.
12285 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
12287 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
12288 (ashlsi3_std): New pattern.
12289 (ashlsi3 expander): Use it for TARGET_SH3.
12290 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
12292 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
12294 * loop.c (canonicalize_condition): Use destination, not source to
12295 determine SET's mode.
12297 2000-07-31 Mark Mitchell <mark@codesourcery.com>
12299 * flow.c (clear_log_links): Fix typo.
12301 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
12303 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
12304 on targets which need more than one insn for a compare/cbranch
12307 2000-07-31 Jim Wilson <wilson@cygnus.com>
12309 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
12310 when computing offset.
12312 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
12314 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
12316 2000-07-31 Geoff Keating <geoffk@cygnus.com>
12318 * flow.c (clear_log_links): Nuke global_live_at_start and
12319 global_live_at_end data, since if the log_links stuff is invalid
12320 so is global_live_at_*.
12322 2000-07-31 Richard Henderson <rth@cygnus.com>
12324 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
12326 2000-07-31 Jakub Jelinek <jakub@redhat.com>
12328 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
12329 (_cpp_get_token): Don't macro expand a just pasted token if it
12330 was pasted at no_expand_level.
12332 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
12334 * cppmacro.c (find_param, count_params, save_expansion):
12335 Permit 'defined' as a macro parameter name.
12337 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
12339 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
12340 xcpp to cpp throughout.
12341 (native): Remove unnecessary dependency on cpp.
12343 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
12344 tradcpp to tradcpp0.
12345 (.i spec): Add missing output-file spec to cc1 command line.
12346 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
12348 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
12350 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
12351 (implicit_decl_warning): New function.
12352 (implicitly_declare): Use it.
12353 * c-typeck.c (build_external_ref): Use implicit_decl_warning
12354 to complain about implicit decls of builtins.
12356 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
12357 based on pedantic && flag_isoc99, if not already set.
12358 * c-tree.h: Declare mesg_implicit_function_declaration.
12359 Prototype implicit_decl_warning.
12361 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
12363 * Makefile.in (ssa.o): Updated header files in dependences.
12364 * basic-block.h: Added compute_immediate_postdominators declaration.
12365 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
12367 * flow.c (compute_immediate_dominators): Updated comment.
12368 (compute_immediate_postdominators): Added definition.
12369 * rtl.h (HARD_REGISTER_P): Added definition.
12370 * ssa.c: Include additional header files.
12371 (assert): Added definition.
12372 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
12373 include select hard registers.
12374 (ssa_rename_to_insert): Likewise.
12375 (ssa_rename_from_initialize): Likewise.
12376 (ssa_rename_from_lookup): Likewise.
12377 (original_register): Likewise.
12378 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
12379 include select hard reigsters.
12380 (ssa_rename_from_traverse): Likewise.
12381 (ssa_rename_from_free): Likewise.
12382 (ssa_rename_from_print): Likewise.
12383 (ssa_rename_from_print_1): Likewise.
12384 (ssa_rename_from_hash_function): Likewise.
12385 (ssa_rename_from_equal): Likewise.
12386 (ssa_rename_from_delete): Likewise.
12387 (simplify_to_immediate_dominators): Removed in favor of
12388 flow.c:compute_immediate_dominators.
12389 (find_evaluations_1): Modified to work with hard registers.
12390 (insert_phi_node): Likewise.
12391 (insert_phi_nodes): Likewise.
12392 (struct rename_set_data): Updated prev_reg comment.
12393 (create_delayed_rename): Modified to work with hard registers.
12394 (RENAME_NO_RTX): Updated comment.
12395 (apply_delayed_renames): Modified to work with hard registers.
12396 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
12397 (rename_block): Updated to use revised ssa_rename_to interface.
12398 (rename_registers): Updated to use revised ssa_rename_to and
12399 ssa_rename_from interface.
12400 (convert_to_ssa): Revised to use compute_immediate_dominators and
12401 deal with hard registers.
12402 (make_regs_equivalent_over_bad_edges): Modified to work with hard
12403 registers. Added check for illegal unification of hard register.
12404 (make_equivalent_phi_alternatives_equivalent): Modified to work
12405 with hard registers.
12406 (compute_conservative_reg_partition): Likewise.
12407 (coalesce_if_unconflicting): Modified to work with hard registers
12408 and check for conflicting hard registers.
12409 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
12411 (rename_equivalent_regs_in_insn): Modified to work with hard
12413 (record_canonical_element_1): Added definition.
12414 (check_hard_regs_in_partition): Added definition.
12415 (convert_from_ssa): Added data structure deallocation and check
12416 for illegal hard register unification.
12417 (conflict_hard_regs_p): Added definition.
12418 * toplev.c (rest_of_compilation): Added comment.
12420 2000-07-31 Anthony Green <green@redhat.com>
12422 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
12424 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
12426 * builtins.c (expand_builtin_apply): Don't defer pop during
12429 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12431 * calls.c (combine_pending_stack_adjustment_and_call): Only use
12432 preferred_unit_stack_boundary when it is > 1.
12434 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
12436 * c-common.c (init_function_format_info): Add C99 format functions
12439 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
12440 void' or 'register void' as being the special case of 'void' alone
12441 in a parameter list.
12443 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
12444 discarding qualifiers into a plain warning.
12446 2000-07-31 Kazu Hirata <kazu@hxi.com>
12448 * combine.c: Fix formatting.
12450 * h8300.md: Fix formatting.
12452 * local-alloc.c: Fix formatting.
12454 * h8300.c (get_shift_alg): Remove the variable alg.
12455 (emit_a_shift): Rearrange code to improve readability.
12457 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
12459 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
12460 HImode on all architectures and a combination of HImode and SImode
12461 on H8/300H and H8/S.
12463 * h8300.c (split_adds_subs): Rearrange code for conciseness.
12465 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
12467 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
12468 in my last checkin.
12470 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
12472 * recog.c (extract_insn): Set operand_mode according to
12473 operand if match_operand is VOIDmode.
12475 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
12477 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
12479 2000-07-31 Geoff Keating <geoffk@cygnus.com>
12481 * c-parse.in (extdefs): Call ggc_collect between external
12484 2000-07-30 Michael Hayes <mhayes@cygnus.com>
12485 Richard Henderson <rth@cygnus.com>
12487 * Makefile.in (OBJS): Add doloop.o.
12488 * doloop.c: New file.
12490 * final.c (insn_current_reference_address): Return 0 before final.
12491 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
12492 * jump.c (any_uncondjump_p): Likewise.
12493 * loop.c (indirect_jump_in_function): Make static.
12494 (strength_reduce): Call doloop_optimize.
12495 (insert_bct, instrument_loop_bct): Remove.
12496 * loop.h (doloop_optimize): Prototype.
12497 * recog.c (split_all_insns): Split all INSN_P.
12498 * toplev.c (flag_branch_on_count_reg): Default on.
12500 * config/c4x/c4x.c (c4x_optimization_options): Don't set
12501 flag_branch_on_count_reg.
12502 * config/i386/i386.c (override_options): Likewise.
12503 * config/rs6000/rs6000.c (optimization_options): Likewise.
12505 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
12507 (dbra_ge): Remove, as well as all it's splitters.
12509 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
12512 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
12513 (ia64_register_move_cost): Declare.
12514 * config/ia64/ia64.c (ar_lc_reg_operand): New.
12515 (struct ia64_frame_info): Add ar_size.
12516 (ia64_compute_frame_size): Set it.
12517 (save_restore_insns): Save and restore ar.lc.
12518 (ia64_register_move_cost): New, moved from header file. Handle
12519 application registers.
12520 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
12521 (emit_insn_group_barriers): Special case doloop_end_internal.
12522 (ia64_epilogue_uses): Mark ar.lc live at end.
12523 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
12524 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
12525 (FIRST_PSEUDO_REGISTER): Make room.
12526 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
12527 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
12528 (REG_ALLOC_ORDER): Update.
12529 (HARD_REGNO_MODE_OK): Update.
12530 (REGISTER_NAMES): Update.
12531 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
12532 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
12533 (REGNO_REG_CLASS): Update.
12534 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
12535 (REGISTER_MOVE_COST): Move out of line.
12536 (PREDICATE_CODES): Update.
12537 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
12538 (addsi3_plus1_alt, adddi3_plus1_alt): New.
12539 (shladd_elim splitter): Allow constants in the predicate.
12540 (doloop_end, doloop_end_internal): New.
12542 2000-07-30 Richard Henderson <rth@cygnus.com>
12544 * genattrtab.c (struct insn_def): Add lineno member.
12545 (struct insn_ent): Likewise.
12546 (struct attr_desc): Likewise.
12547 (struct delay_desc): Likewise.
12548 (struct function_unit_op): Likewise.
12549 (struct function_unit): Likewise.
12550 (check_attr_value): Use message_with_line.
12551 (check_defs): Likewise.
12552 (expand_units): Likewise.
12553 (check_attr_test): Take a lineno argument.
12554 (gen_attr): Likewise.
12555 (gen_insn): Likewise.
12556 (gen_delay): Likewise.
12557 (gen_unit): Likewise.
12558 (main): Give it to them.
12559 (convert_set_attr_alternative): Take an insn_def argument
12560 instead of num_alt and insn_index.
12561 (convert_set_attr): Likewise.
12562 (write_test_expr): Protect INSN_ADDRESSES load
12563 with INSN_ADDRESSES_SET_P.
12565 2000-07-30 Richard Henderson <rth@cygnus.com>
12567 * flow.c (init_propagate_block_info): Use pc_set.
12569 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
12571 * i386.md (*lea_general_[123]) New insns and splits.
12572 (addsi3 to lea splitter): Handle other modes too.
12573 (shlsi3 to lea splitter): Likewise.
12574 (addhi_1_lea, shlhi_1_lea): New patterns.
12575 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
12577 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
12579 * recog.c (general_operand, nonimmediate_operand): Accept
12580 any mode for VOIDmode CONSTANT_P operands.
12582 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
12584 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
12585 instead of replace_rtx.
12586 * recog.c (validate_replace_rtx_subexp): New function.
12587 * recog.h (validate_replace_rtx_subexp): Declare.
12589 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
12591 * combine.c (simplify_set, make_extraction, make_compound_operation
12592 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
12593 as force_to_mode argument.
12595 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
12597 * combine.c (if_then_else_cond): Be sure that mode fits in
12600 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
12602 * combine.c (record_promoted_value): Allow bitsize of mode
12603 to be equivalent to HOST_BITS_PER_WISE_INT.
12605 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
12607 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
12608 Do not call gen_mode_alignment when mode is BLKmode.
12610 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
12612 * loop.c (express_from_1): Fix call of simplify_gen_binary.
12614 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
12616 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
12617 VOIDmode implies both operands to be VOIDmode.
12618 (simplify_ternary_operation): Compute properly the mode of comparison.
12619 * combine.c (combine_simplify_rtx): Likewise.
12621 2000-07-25 Michael Hayes <mph@paradise.net.nz>
12623 * basic-block.h (struct loops): New field rc_order.
12624 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
12625 (flow_loops_free): Free rc_order.
12626 (flow_depth_first_order_compute): New parameter rc_order.
12627 (flow_loops_find): Allocate rc_order and swap usage with
12630 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12631 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12633 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
12634 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
12635 (nodb_call, return_from_epilogue): Likewise.
12636 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
12637 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
12638 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
12639 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
12640 (c4x_valid_type_attribute_p): Likewise.
12641 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
12642 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
12644 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12646 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
12647 and loadhi_big_constant if applicable.
12648 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
12649 and add new splitter.s
12651 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12653 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
12655 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12657 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
12659 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12661 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
12663 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12665 * config/c4x/libgcc.S (divqf3): Improve accuracy.
12667 2000-07-27 Mark Mitchell <mark@codesourcery.com>
12669 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
12670 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
12671 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
12672 (get_prev_bb_note): Likewise.
12673 (remove_scope_notes): Likewise.
12674 * flow.c (commit_one_edge_insertion): Likewise.
12675 (merge_blocks_nomove): Likewise.
12676 (verify_flow_info): Likewise.
12677 * gcse.c (insert_insn_end_bb): Likewise.
12678 * reg-stack.c (emit_swap_insn): Likewise.
12679 * ssa.c (first_insn_after_basic_block_note): New function.
12680 (insert_phi_node): Use it.
12681 (rename_block): Likewise.
12682 (eliminate_phi): Likewise.
12683 (make_regs_equivalent_over_bad_edges): Likewise.
12684 (make_equivalent_phi_alternatives_equivalent): Likewise.
12685 (for_each_successor_phi): Likewise.
12686 (convert_from_ssa): Modify phi-node deletion algorithm.
12688 2000-07-29 Andreas Jaeger <aj@suse.de>
12690 * configure.in (mips*-*-linux*): Use mips*el to check for little
12691 endian MIPS, add tmake_file.
12693 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
12694 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
12695 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
12697 2000-07-28 Richard Henderson <rth@cygnus.com>
12699 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
12700 Sign extend mode size before negating.
12702 2000-07-28 Richard Henderson <rth@cygnus.com>
12704 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
12706 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
12708 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
12709 (cse_insn): Likewise.
12710 (addr_affects_sp_p): Likewise.
12711 * expr.c (move_by_pieces): Likewise.
12712 (clear_by_pieces): Likewise.
12713 * gcse.c (oprs_unchanged_p): Likewise.
12714 * haifa-sched.c (sched_analyze_2): Likewise.
12715 * recog.c (offsettable_address_p): Likewise.
12716 * regclass.c (record_address_regs): Likewise.
12717 * reload.c (find_reusable_reload): Likewise.
12718 (push_reload): Likewise.
12719 (operands_match_p): Likewise.
12720 (decompose): Likewise.
12721 (find_reloads_address_1): Likewise.
12722 (find_inc_amount): Likewise.
12723 * reload1.c (elimination_effects): Likewise.
12724 * resource.c (mark_set_resources): Likewise.
12725 * flow.c (attempt_auto_inc): New function; mostly broken out
12727 (find_auto_inc): Split into two functions and enhanced to
12728 generate POST_MODIFY.
12729 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
12730 * rtl.h (count_all_occurrences): Declare.
12731 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
12733 * rtlanal.c (count_all_occurrences): New function.
12734 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
12735 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
12737 * config/ia64/ia64-protos.h (destination_operand): Declare.
12738 * config/ia64/ia64.c (destination_operand): New function.
12739 (ia64_print_operand): Handle POST_MODIFY.
12740 (rtx_needs_barrier): Likewise.
12741 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
12742 (HAVE_POST_MODIFY_REG): Define to 1.
12743 (MAX_REGS_PER_ADDRESS): Change to 2.
12744 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
12745 (LEGITIMATE_ADDRESS_REG): New helper macro.
12746 (LEGITIMATE_ADDRESS_DISP): Likewise.
12747 (PREDICATE_CODES): Add entry for destination_operand.
12748 * config/ia64/ia64.md (all mov patterns): Use destination_operand
12749 predicate for operand 0.
12751 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12753 * dwarf2out.c: Indent #error directive.
12755 * gbl-ctors.h: Fix typo in comment.
12756 (__do_global_ctors): Prototype.
12758 * gcse.c (record_one_set, pre_delete): Remove unused variables.
12760 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
12761 (print_operand): Initialize variable `t'.
12763 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
12765 * config/arm/arm.md ("call_value"): removed constraints.
12766 Constraints are ignored in expanders.
12767 (*call_value_reg): split =rf into various constraints.
12768 (*call_value_mem): same
12769 (*call_value_symbol): same
12770 (*sibcall_value_insn): same
12772 2000-07-28 Philipp Thomas <pthomas@suse.de>
12774 * install.texi (--enable-nls): Change the description of the NLS
12775 related configure options to match the current state.
12776 (--with-included-gettext): Likewise.
12777 (--enable-maintainer-mode): New description added.
12778 * extend.texi (-fstrict-prototype): Add missing '.'.
12780 2000-07-27 Jim Wilson <wilson@cygnus.com>
12782 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
12783 DECL_INITIAL (decl) == NULL_TREE.
12785 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
12787 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
12788 on insn-attr.h with it.
12789 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
12790 * insn-addr.h: New header.
12791 (insn_addresses_): Renamed from insn_addresses.
12792 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
12793 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
12794 INSN_ADDRESSES_NEW): New macros.
12795 * genattrtab.c (write_test_expr): Use new macros.
12796 * final.c (insn_addresses, init_insn_lengths): Likewise.
12797 (align_fuzz, shorten_branches): Likewise.
12798 (final): Likewise. Do not reject new insns if their addresses
12799 have been added to INSN_ADDRESSES.
12800 * config/arm/arm.c, config/avr/avr.c: Use new macros.
12801 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
12802 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
12803 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
12804 * config/sh/sh.c: Likewise.
12805 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
12807 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
12809 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
12811 * gcc.c (struct prefix_list): Add member priority.
12812 (enum path_prefix_priority): Declare.
12813 (add_prefix): Replace ``first'' with ``priority''. Append new
12814 entry but keep list in priority order.
12815 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
12816 PREFIX_PRIORITY_LAST to add_prefix.
12817 (process_command): Move include kludge - foo/stageN - to before
12820 2000-07-27 Jason Merrill <jason@redhat.com>
12822 * dwarf2out.c (gen_typedef_die): Abort if we get identical
12823 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
12825 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
12827 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
12828 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
12830 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
12832 * c-decl.c (finish_function): Don't treat 'main' specially unless
12833 flag_hosted. In C99 mode, return 0 from 'main' unless
12834 DEFAULT_MAIN_RETURN is otherwise defined.
12836 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
12837 parameters defaulting to int in an old-style function definition.
12839 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12841 * c-parse.in (string): For -Wtraditional, warn about string
12842 concatenation only once per line.
12844 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
12846 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
12847 for HI-UX/WE2 systems.
12849 2000-07-24 Bruce Korb <bkorb@gnu.org>
12851 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
12852 defining the __xxx_TYPE__ macros.
12853 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
12854 * fixincl/fixlib.h: don't need to include "tm.h" anymore
12855 * fixincl/inclhack.def(type_map): now obsolete
12857 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
12859 * cpp.texi: Append a trailing full-stop to xrefs where needed.
12861 2000-07-26 Dave Pitts <dpitts@cozx.com>
12863 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
12865 (mvs_hash_alias): New function.
12866 (mvs_add_alias): Change argument spacing.
12867 (mvs_need_alias): Change aliasing criteria. Added documentation.
12868 (mvs_get_alias): Change to use hashed name. The hashed name prevents
12869 CSECT name collisions.
12870 (mvs_check_alias): Likewise.
12871 (handle_pragma): Change documentation.
12872 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
12873 mode from SImode to DImode.
12874 (iorhi3): Changed LTORG size for insn.
12876 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
12878 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
12879 mem if the address is a mode_dependent_address_p.
12881 2000-07-26 Kazu Hirata <kazu@hxi.com>
12883 * h8300.c (print_operand): Print ":8" when the 'R' operand is
12884 suitable for 8-bit absolute.
12885 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
12886 (OK_FOR_U): Add a case for the 8-bit constant address on the
12889 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
12891 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
12892 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
12893 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
12894 lack of implemented alignment.
12896 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
12898 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
12899 cross-compiling between 64-bit and 32-bit machines.
12901 2000-07-27 Richard Henderson <rth@cygnus.com>
12903 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
12904 (movhicc_astep, movhi_internal_astep): New.
12905 (movsicc_astep, movsi_internal_astep): New.
12906 (movdicc_astep, movdi_internal_astep): New.
12907 (movsfcc_astep, movsf_internal_astep): New.
12908 (movdfcc_astep, movdf_internal_astep): New.
12909 (movxfcc_astep, movxf_internal_astep): New.
12910 (cmovdi_internal_astep, cmovsi_internal_astep): New.
12911 Unify the cmov[ds]i splitters.
12913 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
12915 * real.c (asctoeg): Rename `error' label to unexpected_char_error
12917 2000-07-26 Nick Clifton <nickc@cygnus.com>
12919 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
12920 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
12922 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
12923 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
12925 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
12927 * c-decl.c (finish_enum): Convert enumerations that fit in an
12929 (build_enumerator): In pedantic mode, cast to `int' those that
12932 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
12934 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
12936 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12938 * sh.md (cmpgtdi_t): Must be split.
12939 (cmpgtdi_t+1): New splitter.
12941 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
12943 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
12944 warnings for indented directives even if we are skipping.
12946 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
12948 * invoke.texi (strict-prototypes): Remove.
12949 * extend.texi (Deprecated Features): Add strict-prototypes.
12950 (Backwards Compatibility): New node.
12952 2000-07-25 Jakub Jelinek <jakub@redhat.com>
12954 * config/i386/i386.md (andsi_1+1): Allow HImode.
12955 (andsi_1+2): Require q_regs_operand.
12957 2000-07-25 Jakub Jelinek <jakub@redhat.com>
12959 * config/i386/i386.md (call_pop): Check operands[0],
12960 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
12962 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
12963 (call_value): Likewise.
12965 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
12967 * toplev.c (pipe_closed): Delete.
12968 (crash_signal): New. Generate ICE for a fatal signal.
12969 (float_signal): Call crash_signal outside a float-handler
12971 (main): Install crash_signal as handler for core-dumping signals.
12973 2000-07-25 David Edelsohn <edelsohn@gnu.org>
12975 * rs6000.c (print_operand, case 'T'): New case.
12977 * rs6000.md (call_indirect_aix32): Convert to expander of
12978 scheduled instructions.
12979 (call_indirect_aix64): Likewise.
12980 (call_value_indirect_aix{32,64}): Likewise.
12981 (call, call_value): Invoke expanders for AIX. Fall through to
12983 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
12984 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
12985 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
12986 only "g" constraint.
12987 (call_nonlocal_aix64): Likewise.
12988 (call_value_nonlocal_aix{32,64}): Likewise.
12989 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
12991 (call_value_nonlocal_sysv): New pattern.
12992 (indirect_jump{si,di}): Use new 'T' modifier.
12993 (tablejump{si,di} matchers): Likewise.
12994 (return_internal_{si,di}): Likewise.
12995 (return_eh_{si,di}): Likewise.
12997 2000-07-24 Richard Henderson <rth@cygnus.com>
12999 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
13000 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
13001 * config/ia64/ia64.md (movdi_internal): Use it.
13003 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
13005 * cppexp.c: Warn about unary + if -Wtraditional.
13006 * cpplex.c (lex_line): Always set BOL on the first token of a line.
13008 2000-07-24 Michael Meissner <meissner@redhat.com>
13010 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
13013 2000-07-24 Nick Clifton <nickc@cygnus.com>
13015 * config/arm/arm.c (emit_multi_reg_push): Generate a
13016 REG_FRAME_RELEATED_NOTE that is compatable with the code in
13017 dwarf2out_debug_frame_expr.
13019 2000-07-24 Jason Merrill <jason@redhat.com>
13021 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
13022 UNALIGNED_INT_ASM_OP.
13023 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
13024 a location expression.
13025 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
13026 assume indirect access if we're saving the CFA address exactly.
13028 * Makefile.in (bootstrap): Move -BstageN/ to the end.
13030 2000-07-24 Jakub Jelinek <jakub@redhat.com>
13032 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
13035 2000-07-24 Michael Meissner <meissner@redhat.com>
13037 * invoke.texi (D30V Options): Add d30v options.
13039 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
13041 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
13042 needed by our gcse pass anymore.
13043 (free_pre_mem): Corresponding changes.
13044 (compute_pre_data): Do not call compute_transpout anymore.
13046 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
13047 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
13050 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
13051 (compute_pre_data): Do it here instead.
13053 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
13055 (pre_delete): Corresponding changes.
13057 2000-07-23 Mark Mitchell <mark@codesourcery.com>
13059 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
13060 to figure out whether or not a variable has already been emitted.
13062 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
13064 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
13065 instead of gen_call.
13067 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
13069 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
13071 2000-07-23 Kazu Hirata <kazu@hxi.com>
13073 * h8300.c: Fix formatting.
13075 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
13077 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
13078 for `long' switch expression into a plain warning.
13080 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
13081 (yylex): Don't pedwarn for "inline" in C99 mode.
13083 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
13085 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
13086 ggc_alloc): Likewise.
13087 * bb-reorder.c (dump_scope_forest_1): Likewise.
13089 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
13091 * reload.c (find_reloads_toplev): Add new parameter
13092 "address_reloaded".
13093 (find_reloads): Add new parameter to find_reloads_toplev calls.
13095 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
13097 * collect2.c (main): Typo fixed.
13098 * diagnostic.c: Typo fixed.
13099 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
13100 * eh-common.h: Typo fixed.
13101 * emit-rtl.c (start_sequence): Typo fixed.
13102 * flow.c (find_label_refs): Typo fixed.
13103 (calculate_global_regs_live): Typo fixed.
13104 (mark_regno_cond_dead): Typo fixed.
13105 (create_edge_list): Typos fixed.
13106 (verify_edge_list): Typo fixed.
13107 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
13108 * loop.c (strength_reduce): Typo in function name fixed.
13109 * rtl.h: Added comments. Typo in function name fixed.
13110 * rtlanal.c: Typo in function name fixed.
13111 (insn_dependant_p): Rename to ...
13112 (insn_dependent_p): ... this.
13113 (computed_jumo_p): Typo fixed.
13115 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13117 * system.h (__FUNCTION__): Wrap definition in #ifndef.
13119 2000-07-21 David Edelsohn <edelsohn@gnu.org>
13121 * rs6000.h (SIZE_TYPE): Define.
13123 2000-07-21 Mark Mitchell <mark@codesourcery.com>
13125 * ssa.c (rename_insn_1): Don't rename registers that are
13128 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
13130 * diagnostic.c (trim_filename, fancy_abort): Moved here from
13132 (fatal_function, set_fatal_function): Removed.
13133 (fatal): Don't prepare for or call the fatal_function.
13134 (diagnostic_lock, error_recursion): New.
13135 (diagnostic_for_decl, report_diagnostic): Guard against
13136 re-entering the error reporting routines.
13137 (fancy_abort): Assume function is not NULL.
13139 * errors.c (fancy_abort): New. Assume function is not NULL.
13140 * tradcpp.c (fancy_abort): Assume function is not NULL.
13142 * system.h: Provide default definition of __FUNCTION__.
13143 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
13144 Always use __FUNCTION__ in definition of abort.
13145 * tree.h: Likewise.
13146 * varray.h: Likewise.
13147 * toplev.h: Likewise. Don't prototype set_fatal_function.
13149 2000-07-20 Geoff Keating <geoffk@cygnus.com>
13151 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
13153 * glimits.h: Don't do #if defined for ARCH_PPC.
13155 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
13156 constants of size no larger than a pointer should go in the TOC.
13157 Add 'MODE' parameter.
13158 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
13159 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
13160 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
13161 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
13162 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
13163 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
13164 (rs6000_legitimize_address): Likewise.
13165 (rs6000_emit_move): Likewise.
13166 (rs6000_select_rtx_section): Likewise.
13167 (output_toc): Deal properly with outputting small constants like
13168 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
13169 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
13170 MODE parameter. Put small constants in the TOC.
13172 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
13174 (rs6000_emit_move): When reload calls us with an illegitimate
13175 address, exit early. Move the change_address calls to one place
13176 at the end of the routine. Merge the SImode and DImode expanders.
13177 When called by reload to put an integer into a FP register, force
13180 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
13182 (rs6000_hash_constant): Hash mode too.
13183 (toc_hash_function): Allow for key_mode.
13184 (toc_hash_eq): Structures are different if key_mode differs.
13185 (output_toc): Add 'mode' parameter. Save key_mode.
13186 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
13187 Pass 'mode' parameter.
13188 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
13190 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
13191 for vtable references.
13193 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
13194 choice, don't put integer values in FP regs.
13196 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
13198 * flow.c (verify_flow_info): Revamp code to verify that the
13199 head and end of each basic block are in the insn chain.
13201 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
13203 * gcse.c (record_one_set): Prepend instead of append onto
13204 reg_set_table, making it O(n) instead O(n^2).
13205 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
13206 Use a queue instead of a stack as worklist.
13208 2000-07-20 Kazu Hirata <kazu@hxi.com>
13210 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
13211 * h8300.h (OK_FOR_T): New.
13212 (EXTRA_CONSTRAINT): Support OK_FOR_T.
13213 * h8300.md: Use inc/dec.[wl] for increment/decrement
13214 by 1 and 2 in HI and SI modes.
13216 2000-07-20 Jim Wilson <wilson@cygnus.com>
13218 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
13219 larger than 14 bits.
13221 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
13223 * cppmacro.c (CAN_PASTE_AFTER): New macro.
13224 (count_params): Don't set GNU_REST_ARGS on anything.
13225 (save_expansion): Set PASTE_LEFT only on tokens for which
13226 CAN_PASTE_AFTER is true, or which are named operators.
13228 * cpplex.c (parse_args): Distinguish between a rest argument
13229 given one empty argument, and a rest argument given zero arguments.
13230 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
13231 deletion of previous token based on that.
13232 (get_raw_token): Flatten some control structure.
13234 * cpplib.h (CPP_LAST_EQ): Correct.
13235 (VOID_REST): New token flag.
13236 (GNU_REST_ARGS): Delete.
13238 * tradcpp.c (main): Don't munge -D options.
13239 (make_definition): Bring -D handling in line with cpplib.
13240 (do_define): Strip all leading whitespace from macro definitions.
13242 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
13244 * Makefile.in (tradcpp): Depend on intl.o and version.o.
13246 2000-07-20 Bruce Korb <bkorb@gnu.org>
13248 * fixincl/check.tpl: strip the platform specific types before testing
13249 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
13250 * fixincl/fixincl.tpl: use platform specific types
13251 * fixincl/fixlib.h: include the platform specific types
13252 * fixincl/inclhack.def(gnu_types): don't supply the types
13253 * fixincl/fixincl.x: regen
13255 2000-07-19 Jim Wilson <wilson@cygnus.com>
13257 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
13260 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
13262 * tradcpp.c (rescan): Do not recognize directives when the #
13265 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
13267 Implement C++ named operators.
13269 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
13270 of operators allowed in #if and having an _EQ variant. Add
13271 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
13272 (cpp_token flags): Add NAMED_OP.
13273 (enum node_type): Add T_OPERATOR.
13274 (struct cpp_hashnode): Add code slot to value union.
13275 * cpphash.h (spec_nodes): Remove n_defined.
13277 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
13278 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
13279 (is_macro_disabled): Tweak error messages.
13281 * cpplib.c (get_define_node): Disallow all named operators as
13282 macro names. Tweak error messages.
13283 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
13285 * cppinit.c (builtin_array): Add entries for the named operators.
13286 * cppexp.c (lex): Check for CPP_DEFINED token.
13287 (priority table): Add entries for CPP_MIN and CPP_MAX.
13288 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
13290 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
13292 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
13293 larger than the array of cuids.
13294 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
13297 2000-07-19 Bruce Korb <bkorb@gnu.org>
13299 * fixinc/fixincl.c: Convert to using a table of environment variables
13300 and activate the auto-edit marker on the fixed output files.
13301 * fixinc/fixlib.h: Define the environment table
13302 * fixinc/fixincl.sh: export the ${INPUT} dir
13303 * fixinc/check.tpl: likewise
13305 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
13307 * gcc.c (.h spec): Fix typo.
13309 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
13311 * Makefile.in: Fix tradcif.c path.
13313 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
13315 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
13318 * cpphash.h (TOKEN_NAME): New macro.
13319 (_cpp_spell_operator): Deleted.
13320 (token_spellings): Now _cpp_token_spellings.
13322 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
13323 * cpplex.c: Use OP and TK macros when expanding the
13324 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
13325 store the stringification of the enumeration name (CPP_CHAR,
13326 etc.) in the name slot of token_spellings.
13327 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
13328 token_spellings directly.
13329 * cpplib.c: Use TOKEN_SPELL.
13331 * cpplex.c (_cpp_push_token): If the token being pushed back
13332 is the previous token in this context, just subtract one from
13334 * cppmacro.c (save_expansion): Clear aux field when storing a
13337 2000-07-18 Jakub Jelinek <jakub@redhat.com>
13339 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
13340 buffer, provided it is not NULL.
13342 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
13344 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
13345 case of invalid volatile re-declaration.
13347 2000-07-18 Jakub Jelinek <jakub@redhat.com>
13349 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
13350 (expand_call): Adjust caller.
13352 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
13354 * diagnostic.h (report_diagnostic): Change prototype.
13356 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
13357 diagnostic_for_decl): Change prototype.
13358 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
13359 error, warning, error_with_file_and_line,
13360 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
13361 Adjust call to report_diagnostic, diagnostic_for_decl.
13362 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
13363 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
13365 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
13366 varaible argument list.
13368 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
13370 * cpphash.c: Don't include hashtab.h. Most macro-handling code
13371 moved to cppmacro.c.
13372 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
13373 dump_hash_helper): Delete.
13374 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
13375 cpp_forall_identifiers): New. Implement specialized version of
13376 Vlad's expandable hash table.
13377 (cpp_lookup): Use new functions.
13378 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
13380 * cppmacro.c: New file.
13381 * cppinit.c (dump_macros_helper): New.
13382 (cpp_finish): Iterate over the identifier table directly.
13383 * cpplex.c (parse_name): Calculate the hash of the identifier
13384 while we scan it. Use _cpp_lookup_with_hash when we can.
13386 * cpphash.h: Update prototypes.
13387 (xcnewvec, HASHSTEP): New helper macros.
13388 * cpplib.h: Update prototypes.
13389 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
13390 (cppmacro.o): New rule.
13391 (cpphash.o): Update deps.
13393 * cppmain.c: Do not set pfile->printer if no_output is on.
13395 2000-07-15 Neil Booth <neilb@earthling.net>
13397 * cpplib.c: Change all directive-handler functions to return
13399 * cpphash.h: Update typedefs.
13401 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
13403 * configure: Regenerate.
13405 * extend.texi (Extended Asm): Mention that a memory clobber
13406 does not count as a side-effect.
13408 * unroll.c (copy_loop_body): Fix one instance of using host
13409 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
13412 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
13414 2000-07-17 Richard Henderson <rth@cygnus.com>
13416 * config/ia64/ia64.md (movdi): Split out load address code.
13417 New post-reload splitter for symbolic operands.
13418 (movdi_internal): Abort if we didn't split symbolic operands
13419 when we should have.
13420 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
13421 (ia64_reorg): Split insns when not optimizing.
13422 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
13424 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
13426 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
13427 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
13429 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
13431 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
13433 2000-07-17 Jason Merrill <jason@redhat.com>
13435 * Makefile.in (clean): Remove libgcc directory.
13437 * configure.in (-Wno-long-long check): Use higher-level macros.
13439 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
13441 * simplify-rtx.c (simplify_binary_operation): Recognize
13442 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
13443 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
13444 a CONST_INT, it will always be zero.
13446 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
13448 * loop.c (check_dbra_loop) : Return if more than one condition is
13449 present to control the loop.
13451 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
13453 * mips.c (mips_expand_prologue): Don't calculate the last argument
13454 register unless we need it. When we are calculating this, make
13455 sure FUNCTION_ARG is giving us a REG.
13457 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
13459 * flow.c (libcall_dead_p): Use single_set to verify the insn
13460 has only one set and get for analysis.
13461 (propagate_one_insn): Don't pass the PATTERN of the insn.
13463 2000-07-17 Mark Klein <mklein@dis.com>
13465 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
13467 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
13469 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
13470 * configure.in (TARGET_GETGROUPS_T): Evaluate.
13471 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
13472 of second argument of getgroups.
13473 * configure, config.in: Rebuilt.
13475 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
13477 * simplify-rtx.c (simplify_relational_operation): Two signed
13478 values with equal high words are less/greater than each other if
13479 their low words are less/greater when considered as unsigned.
13481 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
13483 * configure.in (vax-*-openbsd): Change to new style configuration,
13484 add collect2/float_format information.
13485 * configure: Rebuilt.
13486 * config/vax/openbsd1.h: New.
13487 * config/vax/openbsd.h: New.
13488 * config/vax/t-openbsd: New.
13490 2000-07-17 Chip Salzenberg <chip@valinux.com>
13492 * c-common.c (shorten_compare): Quiet warnings about unsigned
13493 comparisons with zero when they occur in a system header.
13495 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
13497 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
13498 update to describe current practice.
13500 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
13502 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
13503 references to C9X. Change references to -fstd and -flang-isoc9x
13506 * c-common.c (scan_char_table): Allow "z" length modifiers on
13508 (check_format_info): Use TYPE_DOMAIN on the type matched against
13509 for "z" formats, to retrieve the language size_t rather than the
13512 * c-common.c (check_format_info): Do not make a pedantic objection
13513 to the 'L' length modifier if used with a floating point type
13516 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
13517 constants in C99 mode.
13519 2000-07-17 Kazu Hirata <kazu@hxi.com>
13521 * h8300.md: Fix the format of mac.
13522 (movsi_h8300hs): Output a tab after stmac instead of a space.
13524 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
13525 profitable adds/subs sequences.
13527 * fold-const.c: Fix comment typos.
13529 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
13531 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
13533 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13535 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
13537 2000-07-16 Neil Booth <NeilB@earthling.net>
13539 * cpplex.c: Update comments.
13540 * README.Portability: Small update.
13542 2000-07-16 Neil Booth <NeilB@earthling.net>
13544 * README.Portability: Small update.
13546 2000-07-15 Richard Henderson <rth@cygnus.com>
13548 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
13549 * config/ia64/ia64.c (ia64_move_ok): New function.
13550 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
13551 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
13553 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
13555 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
13556 immediately following a paste operator.
13557 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
13558 (cpp_reader_init): Call it, if HOST_EBCDIC.
13559 (cpp_handle_options): Do not sort option list here.
13560 (handle_option): Rename to cpp_handle_option and export.
13561 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
13562 _cpp_get_token directly.
13563 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
13564 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
13565 * cpplib.h: Prototype cpp_handle_option. Update prototype of
13568 2000-07-15 Richard Henderson <rth@cygnus.com>
13570 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
13571 cast around an expression. Tidy other unsigned tests.
13573 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
13575 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
13576 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
13577 (v_message_with_decl): Rename to ...
13578 (format_with_decl): ... this. Tweak
13579 (diagnostic_for_decl): New function.
13580 (fatal_io_error): Use verbatim in lieu of notice.
13581 (announce_function): Use verbatim.
13582 (default_print_error_function): Likewise.
13583 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
13586 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13588 * mips.c (function_arg_pass_by_reference): Don't do automatic
13589 aggregate initialization.
13590 (machine_dependent_reorg): Initialize variable `mode'.
13592 * mips.md (absdi2): Change variable `regno1' to unsigned int.
13593 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
13594 conflicts with sys/param.h macro of the same name.
13595 (reload_outdi): Likewise.
13597 2000-07-15 Michael Meissner <meissner@redhat.com>
13599 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
13600 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
13601 create a new node instead.
13603 2000-07-15 Neil Booth <NeilB@earthling.net>
13605 * README.Portability: Correct example about calling a function
13606 through a pointer to function. Format wide paragraphs.
13608 2000-07-15 Michael Meissner <meissner@redhat.com>
13610 * README.Portability: Update integer suffixes and function
13611 prototype sections.
13613 2000-07-15 Neil Booth <NeilB@earthling.net>
13615 * README.Portability: Small update.
13617 2000-07-15 Neil Booth <NeilB@earthling.net>
13619 * README.Portability: New file.
13621 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
13623 * INSTALL: Give special instructions for building GCC on Irix 6.
13624 * config/mips/x-iris6 (CC): Don't set it.
13627 2000-07-14 Jason Merrill <jason@redhat.com>
13629 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
13630 register in the stack and later in another register, use the new
13633 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
13635 * config/mips/mips.md: (absdi2): Handle sign_extend for
13638 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
13640 * cpplib.c (do_pragma_dependency): Tidy warning messages.
13642 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
13644 * .cvsignore: Correct typo.
13646 2000-07-13 Mark Mitchell <mark@codesourcery.com>
13648 * .cvsignore: Add generated YACC files.
13649 * objc/.cvsignore: New file.
13651 2000-07-14 Neil Booth <NeilB@earthling.net>
13653 * cpplex.c (adjust_column): New funcion.
13654 (skip_whitespace): Use it.
13655 (skip_block_comment): Use it, and warn about /*/* with
13658 2000-07-14 Neil Booth <NeilB@earthling.net>
13660 * cpphash.c (struct macro_info): Add new members.
13661 (_cpp_free_definition): Delete the macro directly.
13662 (count_params): Return void, with first token of
13663 expansion in struct macro_info on success.
13664 (parse_define): Return int. Hoist syntax checking from
13665 save_macro_expansion. Leave call to save_expansion to
13666 _cpp_create_definition.
13667 (alloc_macro): Needs just 2 arguments.
13668 (free_macro): Delete.
13669 (save_expansion): Don't perform syntax check.
13670 (_cpp_create_definition): Call save_expansion.
13672 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13674 * genrecog.c (write_header): Split long string.
13676 * cpphash.c (macro_info): Don't use the `signed' keyword.
13678 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
13680 2000-07-13 Jakub Jelinek <jakub@redhat.com>
13682 * calls.c (stored_args_map): New variable.
13683 (check_sibcall_argument_overlap_1): New.
13684 (check_sibcall_argument_overlap): New.
13685 (expand_call): Initialize stored_args_map.
13686 Call check_sibcall_argument_overlap.
13688 2000-07-13 Bruce Korb <bkorb@gnu.org>
13690 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
13691 (emit_gnu_type): utility procedure for gnu_type_fix
13692 (gnu_type_fix): implement various pre-processor guards around
13693 standard types so these types can be defined over and over
13694 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
13695 types alluded to above will have GNU-compliant base types
13696 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
13697 * fixinc/inclhack.def: add test_text entries and utilize the new
13698 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
13699 * fixinc/fixincl.x: regenerate
13701 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
13703 * diagnostic.c (vline_wrapper_message_with_location,
13704 v_message_with_file_and_line, v_error_with_file_and_file,
13705 v_error_for_asm, v_warning_for_asm, vfatal,
13706 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
13707 vsorry, verror, vwarning, vpedwarn): Remove.
13708 (diagnostic_for_asm): New function.
13709 (pedwarn, error, warning, pedwarn_with_file_and_line,
13710 error_with_file_and_line, warning_with_file_and_line, sorry,
13711 error_for_asm, warning_for_asm, fatal): Reimplement.
13712 (finish_diagnostic): Clear diagnostic info as well.
13714 2000-07-13 Neil Booth <NeilB@earthling.net>
13716 * c-common.h (flag_digraphs): New.
13717 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
13718 * c-lex.c (yylex): Use flag_digraphs to decide whether to
13721 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
13723 * gcc.c (do_spec_1): Add new %B operator.
13724 (set_input): Prepare for %B.
13726 (link_command_spec): Move up with the other tm.h-
13727 overrideable specs. Factor out the portion conditional on
13728 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
13729 (struct compiler): Just have a single spec string. All users
13731 (default_compilers): Remove unnecessary braces.
13732 (static_specs): Update.
13734 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
13736 (C and assembly specs): Use the new named specs, as appropriate.
13738 * objc/lang-specs.h: Use the new named specs.
13739 Remove unnecessary braces.
13741 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13743 * gcc.c (execute): If a subprocess gets a fatal signal, report
13744 strsignal() of the signal number, and ask for a bug report.
13745 Do not do this for SIGPIPE if there's already been an error.
13747 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
13748 Delete pipe_closed.
13750 * tradcif.c: Remove.
13752 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13754 * final.c (profile_function): Do not emit profile counters in
13755 the data section, if NO_PROFILE_COUNTERS is defined.
13756 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
13759 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
13760 (FUNCTION_PROFILER): Just emit a call to mcount.
13762 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13764 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
13766 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
13767 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
13768 traditional, lang_chill, or lang_fortran.
13770 * cppfiles.c: #undef strcmp to suppress warning about macros
13771 used without arguments.
13772 (_cpp_execute_include): Use f, not fname, in "No include path"
13774 (_cpp_pop_file_buffer): New function.
13775 * cpplib.c: Don't include <sys/mman.h>.
13776 (cpp_push_buffer): Set line_base and lineno in new buffer.
13777 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
13779 * cpplex.c: Move all prototypes and structure declarations to the
13780 top of the file. Properly parenthesise some macro arguments.
13781 (cpp_scan_line): New function.
13782 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
13783 don't need to walk up the stack counting.
13785 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13787 * c-common.c (combine_strings): Emit a pedantic warning when a
13788 string length is greater than the minimum ANSI C is required
13791 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
13793 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
13794 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
13796 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13798 * c-decl.c (define_label): Warn about identifier conflicts with
13799 labels in traditional C.
13801 * c-parse.in (unop +): Warn about the unary plus operator for
13804 * c-typeck.c (store_init_value): Warn about automatic aggregate
13805 initialization for traditional C.
13807 * invoke.texi (-Wtraditional): Document new warnings.
13809 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
13811 * Makefile.in (c-errors.o): Fix thinko in dependency.
13813 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13815 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
13816 -traditional, -ftraditional, or -traditional-cpp was given.
13817 Do not pass -traditional to the preprocessor.
13818 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
13819 preprocessor does it automatically.
13820 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
13822 * ch/lang-specs.h: Always use tradcpp. Do not pass
13823 -traditional, -trigraphs, or -pedantic to the preprocessor.
13824 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
13827 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13829 * cppexp.c (LOGICAL): Delete macro.
13830 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
13833 * cpphash.c (HASHSIZE): Increase to 4096.
13834 (struct hashdummy): Add hash field.
13835 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
13836 the string values using memcmp.
13837 (cpp_lookup): Set dummy.hash.
13839 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
13841 * configure.in (m88k-openbsd): Express configuration using new fragment
13843 * configure: Rebuilt.
13844 * m88k/aout-dbx.h: New.
13845 * m88k/openbsd.h: New.
13846 * m88k/xm-openbsd.h: New.
13848 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13850 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
13852 2000-07-12 Richard Henderson <rth@cygnus.com>
13854 * reload.c (push_secondary_reload): Make sure to add the new
13855 reload at the end, after acquiring secondary memory.
13857 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13859 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
13861 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
13862 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
13864 * c-parse.in (stmt): Delete unused variables.
13866 * convert.c (convert_to_vector): Likewise.
13868 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
13870 * tree.c (finish_vector_type): Prototype.
13872 2000-07-12 Bruce Korb <bkorb@gnu.org>
13874 * fixinc/fixfixes.c: use xmalloc
13875 * fixinc/fixincl.c(initialize): set program name for xmalloc
13876 * fixinc/fixlib.c(must_malloc): obsolete
13877 (is_cxx_header): no longer used - disabled
13878 (skip_quote): inserted and disabled for future use
13879 * fixinc/fixlib.h: reflects above
13880 * fixinc/fixtests.c: removed dinkleberries
13882 2000-07-12 Neil Booth <NeilB@earthling.net>
13884 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
13885 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
13887 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
13888 struct toklist_dummy): New.
13889 (cpp_free_definition): Free macros with free_macro.
13890 (count_params): Don't save paramter spellings. Save macro
13891 information in a struct macro_info.
13892 (parse_define): Don't allocate a token list.
13893 (save_expansion): Allocate the macro's token list, and
13894 save parameter spellings if necessary. Use TOKEN_SPELL.
13895 (cpp_create_definition): Make list const.
13897 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
13899 * c-typeck.c (pedwarn_c99): Move to
13900 * c-errors.c: ... Here.
13901 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
13902 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
13903 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
13904 (c-errors.o): List dependency.
13906 2000-07-12 Mark Mitchell <mark@codesourcery.com>
13908 * c-parse.c: Remove.
13909 * c-parse.h: Likewise.
13910 * c-parse.y: Likewise.
13911 * objc/objc-parse.c: Likewise.
13912 * objc/objc-pasre.y: Likewise.
13914 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
13916 * gcc.texi: Fix minor typos
13917 * extend.texi: Fix minor typos
13919 2000-07-11 Marc Espie <espie@openbsd.org>
13921 * collect2.c (main): Recognize .lo as object files.
13923 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
13925 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
13928 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
13929 with MAP_ANONYMOUS and MAP_ANON.
13930 * configure, config.in: Rebuilt.
13932 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
13934 * diagnostic.c (save_output_state): Remove.
13935 (restore_output_state): Likewise.
13936 (clear_text_info): New function.
13937 (clear_diagnostic_info): Likewise.
13938 (output_text_length, is_starting_newline, output_prefix,
13939 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
13940 prefixing_policy, output_buffer_ptr_to_format_args): New macros
13941 (set_real_maximum_length, output_set_maximum_length,
13942 output_set_prefix, output_get_prefix, output_set_maximum_length,
13943 output_destroy_prefix, init_output_buffer,
13944 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
13945 output_add_newline, output_add_character, output_add_space,
13946 output_append_r, output_append, wrap_text, output_format,
13947 output_do_printf, output_printf, output_do_verbatim,
13948 output_verbatim, verbatim): Use them.
13949 (output_clear): Split into cleat_text_info and
13950 clear_diagnostic_info.
13951 (struct output_state): Move to...
13953 * diagnostic.h: ...Here
13954 (struct output_buffer): Adjust.
13956 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
13958 * cpplex.c (parse_name): No longer inline (premature optimization).
13959 (do_pop_context): Fold into pop_context.
13960 (pop_context): Returns int.
13961 (lex_next): Hoist test for end of directive into pop_context.
13962 (push_macro_context): Returns int; takes just reader and token.
13963 Hoist test for excessive nesting to caller.
13964 (push_arg_context): Returns void; takes just reader and token.
13965 Do not call stringify_arg or get_raw_token.
13966 (get_raw_token): Convert tail recursion through push_arg_context
13967 to a loop at this level. Call stringify_arg here if appropriate.
13968 (maybe_paste_with_next): Convert tail recursion to a while loop.
13969 Hoist test of paste_level to caller.
13971 (stringify_arg): Push arg context at beginning.
13972 (cpp_get_token): Split out core into _cpp_get_token. Call
13973 process_directive here. Throw away CPP_PLACEMARKER tokens.
13974 (_cpp_get_token): Convert tail recursion through
13975 push_macro_context to a loop at this level.
13976 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
13977 _cpp_get_raw_token): Use _cpp_get_token.
13978 (_cpp_skip_rest_of_line): Drop the context stack directly; do
13979 not call pop_context.
13980 (_cpp_run_directive): Call lex_next directly.
13982 * cpphash.h: Prototype _cpp_get_token.
13983 * cppexp.c (lex): Use it.
13984 * cpphash.c (parse_define): Use it.
13985 * cpplib.c (get_define_node, do_undef, parse_include,
13986 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
13987 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
13988 parse_ifdef, validate_else): Use it.
13989 (cpp_push_buffer): Tweak error message; abort if anyone tries
13990 to push a buffer while macro expansions are stacked.
13992 2000-07-11 Donn Terry <donnte@microsoft.com>
13994 * cpplex.c (free_macro_args, save_token): Cast arg of free
13995 and/or xrealloc to PTR.
13996 (_cpp_init_input_buffer): Clear all fields of the base context.
13998 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
14000 * gensupport.c (process_rtx): Make rtl checking stop
14001 complaining about the define_insn while it is being
14002 converted from a define_insn_and_split.
14004 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
14006 * config/mips/mips.c (simple_memory_operand): Access the
14007 INTVAL of the address, not it's containing MEM.
14009 2000-07-11 Bruce Korb <bkorb@gnu.org>
14011 * fixinc/fixtests.c(double_slash): obsolete
14012 (else_endif_label): likewise
14013 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
14014 (libc1_ifdefd_memx): correct initial comment
14015 and omit the #if/#endif pair from the memxxx declarations
14016 * fixinc/fixincl.x: regen
14018 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14020 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
14022 2000-07-11 Neil Booth <NeilB@earthling.net>
14024 * cpp.texi: Update.
14026 2000-07-11 Neil Booth <NeilB@earthling.net>
14028 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
14029 (handle_option): Set digraphs according to standard.
14030 Merge OPT_lang_c89 handler with OPT_std_c89.
14032 * cpplex.c: (lex_line, can_paste): Honour digraphs in
14033 accordance with the digraphs flag.
14035 * cpplib.h: (struct cpp_options): New option digraphs.
14037 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
14038 Bruce Korb <bkorb@gnu.org>
14040 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
14041 * fixinc/fixincl.x: Regenerate.
14042 * fixinc/tests/base/testing.h: Add testcase.
14044 2000-07-10 Richard Henderson <rth@cygnus.com>
14046 * config/ia64/ia64.c (got_symbolic_operand): New.
14047 (symbolic_operand, move_operand): Revert 0701 change.
14048 * config/ia64/ia64.h (PREDICATE_CODES): Update.
14049 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
14050 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
14051 split the offset into a 14-bit low part instead of a 13-bit low part.
14052 (load_fptr): Mark the mem as unchanging.
14053 (load_symptr): Use got_symbolic_operand.
14055 2000-07-10 Nick Clifton <nickc@cygnus.com>
14057 * libgcc2.c (next_stack_level): Cast result of computation to
14058 (void **) so that the assignment does not generate a warning.
14060 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
14062 * flags.h : Add new variable flag_single_precision_constant.
14063 * toplev.c (display_help) : Add -fsingle-precision-constant option.
14064 (flag_single_precision_constant): New.
14065 * c-lex.c (yylex): Convert floating point constant to single
14066 precision constant.
14067 * invoke.texi : Add documentation for this new option.
14069 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
14071 * diagnostic.c (output_octal): Second parameter is unsigned.
14072 (output_long_octal): Likewise.
14073 (output_hexadecimal): Likewise.
14074 (output_long_hexadecimal): Likewise.
14075 (output_format): Adjust arguments extraction. Tweak.
14076 (output_verbatim, verbatim): End variable argument list.
14077 (report_diagnostic): Improve documentation.
14079 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
14081 * c-common.h (build_stmt): Declare.
14082 (build_continue_stmt): Likewise.
14083 (build_break_stmt): Likewise.
14084 (build_return_stmt): Likewise.
14086 * c-decl.c (do_case): Rewrite to do what previously done in
14089 * c-semantics.c (build_stmt): Define.
14090 (build_return_stmt): Likewise.
14091 (build_break_stmt): Likewise.
14092 (build_continue_stmt): Likewise.
14093 (build_case_label): Likewise.
14095 * c-parse.in (BREAK): Change to build tree, then generate RTL.
14096 (CONTINUE): Likewise.
14097 (RETURN): Likewise.
14099 (DEFAULT): Likewise.
14101 * c-parse.y: Regenerate.
14102 * c-pasre.c: Likewise.
14104 2000-07-09 Jason Merrill <jason@redhat.com>
14106 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
14108 * tree.h (STRIP_NOPS): Check for error_mark_node.
14109 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
14110 (dwarf2out_*): Remove duplicate declarations.
14112 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
14113 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
14115 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
14117 * diagnostic.c (wrap_text): New function.
14118 (maybe_wrap_text): Likewise.
14119 (output_add_string): Use it.
14120 (output_format): Likewise.
14121 (count_error): Use verbatim instead of notice.
14122 (report_error_function): Likewise. Don't use plain fprintf.
14123 (finish_diagnostic): New function.
14124 (output_do_verbatim): Tweak. Commonalize functionalities in
14125 output_verbatim and verbatim.
14126 (output_verbatim): Adjust.
14127 (verbatim): Likewise.
14128 (report_diagnostic): Define.
14130 * diagnostic.h (report_diagnostic): Prototype.
14132 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
14134 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
14136 2000-07-09 Neil Booth <NeilB@earthling.net>
14138 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
14139 IShspace, ISspace: Update.
14141 * cppinit.c: ISTABLE: Update.
14144 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
14145 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
14146 (skip_block_comment, skip_line_comment, parse_string,
14147 lex_line): Use is_vspace rather than IS_NEWLINE.
14148 (skip_whitespace, lex_line): Clean up to use is_nvspace.
14149 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
14151 (lex_next): Unconditionally stop if within a directive.
14152 Treat directives within macro invocations as directives
14153 (after parse_args emits error), not as the argument.
14155 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
14157 * diagnostic.c (diagnostic_args): New macro.
14158 (diagnostic_msg): Likewise.
14159 (output_formatted_integer): Likewise.
14160 (output_state): New data type.
14161 (digit_buffer): Make global.
14162 (output_add_integer): Rename to output_decimal. Squeeze
14164 (output_long_decimal, output_unsigned_decimal,
14165 output_long_unsigned_decimal, output_octal, output_long_octal,
14166 output_hexadecimal, output_long_hexadecimal): New functions.
14167 (output_append_r): New function.
14168 (output_append): Tweak.
14169 (output_flush_on): Rename to output_to_stream.
14170 (output_format): Change prototype. Improve documentation. Handle
14171 more format specifiers.
14172 (build_location_prefix): Rename to context_as_prefix.
14173 (output_notice): Rename to output_do_printf.
14174 (output_printf): Tweak.
14175 (line_wrapper_printf): Likewise.
14176 (vline_wrapper_message_with_location): Adjust call to renamed
14178 (v_message_with_decl): Likewise.
14179 (default_print_error_function): Likewise.
14180 (save_output_state): New function.
14181 (restore_output_state): Likewise.
14182 (output_do_verbatim): Likewise.
14183 (output_verbatim): Define.
14184 (verbatim): Likewise.
14186 * diagnostic.h (printer_fn): Change return type from void to int.
14187 Improve documentation.
14188 (output_add_integer): Rename to output_decimal.
14189 (output_flush_on, output_format): Don't export.
14190 (output_verbatim, verbatim): Declare.
14192 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
14194 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
14195 Check whether c divides op1 exactly if operation is not
14198 2000-07-08 Richard Henderson <rth@cygnus.com>
14200 * final.c (final): Do not abort when reg-stack introduces
14203 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
14205 * cpplib.h (struct cpp_name): Now struct cpp_string.
14206 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
14207 CPP_HEADER_NAME): Change to type S.
14208 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
14209 field, a cpp_hashnode *. All references to val.name updated
14210 to use val.str or val.node as appropriate.
14211 (struct cpp_reader): Add spec_nodes field.
14212 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
14214 * cpphash.h (struct spec_nodes): New.
14215 (enum spell_type): Reorder. Only SPELL_STRING tokens use
14216 val.str. All references to 'spelling > SPELL_NONE' updated to
14219 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
14220 pfile->buffer->inc are not NULL before dereferencing them.
14222 * cpplex.c (parse_name): Take a pointer to the current token,
14223 plus current position and limit as args; return the new
14224 position; don't copy the text of a name into the string
14225 buffer, instead call cpp_lookup and store the node pointer.
14226 If extending a token, copy out the text of the old into a
14227 scratch buffer, append the new, look that up and store the new
14228 node pointer. Inline.
14229 (maybe_paste_with_next): If the result of paste is a NAME,
14230 then look up the pasted text and store its node pointer.
14231 (lex_line): Adjust for new parse_name interface.
14232 Check for L"str", L'str' using spec_nodes->n_L.
14233 (spell_token): SPELL_IDENT tokens have their spelling in
14234 val.node->name. Handle SPELL_STRING tokens that don't have
14236 (_cpp_expand_name_space,
14237 (can_paste): Check for L ## "str" using spec_nodes->n_L.
14238 (cpp_get_token, special_symbol): No need to call cpp_lookup.
14239 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
14240 return 1=equal 0=not, not a tristate.
14242 * cpphash.c (var_args_str): Delete.
14243 (find_param): Compare node fields directly.
14244 (is__va_args__): Use CPP_PEDANTIC. Just compare
14245 token->val.node with spec_nodes->n__VA_ARGS__.
14246 (dump_funlike_macro): Don't use var_args_str.
14248 * cpplib.c (_cpp_check_directive): Just walk through
14249 spec_nodes->dirs comparing pointers.
14250 (get_define_node, do_pragma_poison, detect_if_not_defined,
14251 parse_ifdef): The identifier has already been looked up.
14252 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
14254 (do_if): Only call detect_if_not_defined at beginning of file.
14255 (_cpp_parse_assertion): Only copy string pointers for
14256 SPELL_STRING tokens.
14257 (pragma_dispatch): Take a node pointer and examine its name
14259 (_cpp_init_stacks): Also initialize the spec_nodes structure.
14261 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
14263 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
14264 reverse order from the corresponding _cpp_init_* routines.
14266 * cppexp.c (parse_number, parse_charconst, parse_defined,
14267 lex): Check val.node->type instead of calling cpp_defined.
14268 Use spec_nodes entries where appropriate.
14270 * fix-header.c, scan-decls.c: Update for interface changes.
14272 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
14274 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
14275 emitting aux_truncdfsf2.
14277 2000-07-03 Donn Terry (donnte@microsoft.com)
14279 * cppinit.c (print_help): split overlong line into ISO C89
14282 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
14284 * cppexp.c: Update all code for new lexer interface.
14285 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
14286 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
14287 * cpplex.c (token_names): Trim leading CPP_ from names; make
14288 the strings unsigned.
14289 (_cpp_spell_operator): New.
14290 (is_macro_disabled): Disable all macros if rescanning
14292 (_cpp_get_directive_token): Remove.
14294 * cppinit.c: Don't set no_macro_expand.
14295 * cpplib.c (read_line_number, do_line): Check only for EOF,
14297 * cpphash.h: Update prototypes.
14298 * cpplib.h (CPP_VSPACE): Remove.
14299 (struct cpp_reader): Remove no_macro_expand.
14301 2000-07-08 Neil Booth <NeilB@earthling.net>
14303 * cpphash.c (is__va_args__): New function.
14304 (count_params): Fix line reported in error messages. Use
14305 is__va_args__. Don't return ')' on error. Flag GNU style
14306 rest args macro definitions.
14307 (parse_define): Check macro name is not __VA_ARGS__.
14308 (save_expansion): Check identifier in non-varargs-macro is
14309 not __VA_ARGS__. Don't flag GNU_VARARGS.
14310 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
14311 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
14312 than per-token GNU_VARARGS.
14313 * cpplib.h (GNU_VARARGS): Remove.
14314 (GNU_REST_ARGS): New.
14316 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
14318 * i386.md (call_pop, call, call_value_pop): Do not set
14319 current_function_uses_pic_offset_table for calls to static
14320 functions or indirect calls.
14322 2000-07-07 Jim Wilson <wilson@cygnus.com>
14324 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
14325 is_predicate_reg, then take max write_count of register pair.
14327 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14329 * tradcpp.c (main): Rename label `include' to `add_include' to
14330 avoid conflicts with variable `include' in traditional C.
14332 2000-07-07 Jakub Jelinek <jakub@redhat.com>
14334 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
14336 2000-07-07 Jakub Jelinek <jakub@redhat.com>
14338 * sibcall.c (uses_addressof): Add INMEM argument, check for
14339 current_function_internal_arg_pointer outside of MEM rtxs in addition
14341 (sequence_uses_addressof): Update caller.
14343 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
14345 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
14348 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14350 * system.h (UNION_INIT_ZERO): New macro for initializing union
14351 members in structs.
14353 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
14355 2000-07-07 Neil Booth <NeilB@earthling.net>
14357 * cpp.texi: Update.
14359 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
14361 * final.c (final): Detect out of bounds array access to
14362 the insn_lengths array.
14364 2000-07-07 Kazu Hirata <kazu@hxi.com>
14366 * fold-const.c (fold): Fix a comment typo.
14368 2000-07-07 Neil Booth <NeilB@earthling.net>
14370 * cpp.texi: Update to new lexer.
14372 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
14374 * tradcpp.c: New file.
14375 * tradcif.y: New file.
14376 * tradcif.c: New generated file.
14378 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
14379 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
14380 dependencies of C. Install tradcpp from install-common, in
14383 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
14385 * cppinit.c: Include cppdefault.h. Refer to
14386 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
14387 to GCC_INCLUDE_DIR and its length.
14388 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
14389 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
14390 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
14392 (include_defaults_array): Move to cppdefault.c.
14394 * cppdefault.h: New file.
14395 * cppdefault.c: New file.
14397 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
14398 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
14399 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
14402 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14404 * reload.c (push_reload): When seeing if can reuse a register,
14405 check extra registers against widest of INMODE and OUTMODE.
14407 2000-07-06 Neil Booth <NeilB@earthling.net>
14409 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
14410 based on full length of predicate.
14412 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
14414 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
14415 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
14417 2000-07-05 Kazu Hirata <kazu@hxi.com>
14419 * h8300-proto.h: Fix formatting.
14420 * h8300.c: Likewise.
14421 * h8300.h: Likewise.
14423 2000-07-05 Jim Wilson <wilson@cygnus.com>
14425 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
14428 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
14430 * invoke.texi: Fix minor typos
14431 * md.texi: Fix minor typos
14433 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
14435 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
14437 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
14439 * cpplex.c: Don't include sys/mman.h.
14440 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
14442 * cpplib.c: Include sys/mman.h and obstack.h.
14443 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
14445 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
14446 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
14447 bother freeing if stack entries (they will be freed with their buffer).
14448 (do_endif): Free if stack entries from the buffer obstack.
14449 (push_conditional): Allocate if stack entries from the buffer obstack.
14451 (find_answer): Rename to _cpp_find_answer.
14452 (do_assert, do_unassert): Update.
14454 * cpphash.h: Update prototypes.
14455 (xobnew): New convenience macro.
14456 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
14458 (struct cpp_hashnode): Remove disabled field.
14460 * cppinit.c: Don't include hashtab.h or splay-tree.h.
14461 (report_missing_guard): Moved to cppfiles.c.
14462 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
14464 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
14465 cpp_cleanup_includes. Don't destroy hashtab or
14466 all_include_files here.
14467 (cpp_finish): Use _cpp_report_missing_guards.
14469 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
14470 (_cpp_init_include_table): Rename _cpp_init_includes.
14471 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
14473 * cppexp.c (parse_assertion): Update for new name of
14476 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
14478 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
14480 * cpplib.c (do_ident): s/VSPACE/EOF/
14482 2000-07-05 Neil Booth <NeilB@earthling.net>
14484 * cpplex.c: Fix trigraph replacement within strings.
14486 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14488 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
14490 * xcoffout.c (assign_type_number): Constify.
14491 (xcoffout_source_file): Add static prototype. Don't needlessly
14492 cast away const-ness.
14494 2000-07-04 Jason Merrill <jason@redhat.com>
14496 * frame.h (frame_state): Move base_offset to end.
14498 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
14500 * calls.c (emit_library_call_value_1): Revert previous change.
14502 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
14504 * fix-header.c (struct partial_proto): Remove unnecessary fields.
14505 (recognized_extern, recognized_function, read_scan_file):
14506 Update for new scheme.
14507 (check_protection): It's still a multiple include guard even
14508 if it doesn't always trigger.
14509 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
14511 * scan.h: Declare struct cpp_token. Update prototypes.
14513 2000-07-03 Neil Booth <neilb@earthling.net>
14514 Zack Weinberg <zack@wolery.cumb.org>
14516 Complete overhaul of the lexer and macro expander.
14518 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
14519 arg, arglist, argdata, reflist, collect_objlike_expansion,
14520 collect_funlike_expansion, collect_params,
14521 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
14522 unsafe_chars, macarg, compare_defs, special_symbol,
14523 scan_arguments, stringify, funlike_macroexpand,
14524 _cpp_quote_string, monthnames): Delete.
14525 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
14526 _cpp_create_definition, _cpp_dump_definition,
14527 dump_hash_helper): Adjust.
14528 (find_param, count_params, parse_define, var_args_str,
14529 check_macro_redefinition, save_expansion): New.
14531 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
14532 parse_string, output_line_command, trigraph_replace,
14533 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
14534 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
14535 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
14536 _cpp_skip_rest_of_line): Modify.
14538 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
14539 find_position, null_warning, bump_column, expand_name_space,
14540 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
14541 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
14542 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
14543 _cpp_prescan): Delete.
14545 (dump_param_spelling, process_directive, lex_next,
14546 is_macro_disabled, stringify_arg, expand_context_stack,
14547 output_token, make_string_token, alloc_number_token,
14548 special_symbol, duplicate_token, maybe_paste_with_next,
14549 can_paste, prevent_macro_expansion, restore_macro_expansion,
14550 get_temp_token, release_temp_tokens, quote_string,
14551 token_names, token_spellings, _cpp_expand_name_space,
14552 _cpp_glue_header_name, _cpp_reserve_name_space,
14553 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
14554 placemarker_token, eof_token, cpp_context, macro_args,
14555 get_raw_token, parse_arg, parse_args, save_token,
14556 push_arg_context, push_macro_context, pop_context,
14557 do_pop_context, free_macro_args, _cpp_get_line,
14558 _cpp_run_directive): New.
14560 * cpplib.c (validate_else, parse_include, push_conditional,
14561 pass_thru_directive, read_line_number, parse_ifdef,
14562 detect_if_not_defined, _cpp_check_directive, do_define,
14563 do_undef, do_include, do_import, do_include_next, do_error,
14564 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
14565 top_pragmas, do_pragma_gcc, do_pragma_implementation,
14566 do_pragma_poison, do_pragma_system_header,
14567 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
14568 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
14569 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
14570 cpp_defined): Update for new scheme.
14571 (strtoul_for_line, get_define_node, dump_macro_name,
14572 _cpp_check_linemarker, _cpp_parse_assertion): New.
14573 (_cpp_handle_directive, do_pragma_default): Delete.
14575 * cpphash.h (struct predicate): Now struct answer.
14576 (enum spell_type, struct token_spelling, struct directive,
14577 directive_handler): New.
14578 Update prototypes. Remove unused macros.
14579 * cpplib.h: Update prototypes. Remove unused macros,
14580 structure definitions, and fields.
14582 * cpperror.c (print_containing_files, v_message): Adjust.
14583 * cppexp.c (parse_assertion, lex, parse_escape,
14584 _cpp_parse_expr): Adjust.
14585 * cppfiles.c (open_include_file, _cpp_execute_include,
14586 _cpp_compare_file_date, cpp_read_file, read_include_file):
14588 * cppinit.c (dump_special_to_buffer): Delete.
14589 (append_include_chain, merge_include_chains, cpp_reader_init,
14590 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
14591 cpp_finish, handle_option, print_help): Adjust.
14592 * cppmain.c (main): Adjust.
14594 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
14596 * cppspec.c (lang_specific_driver): Use double quotes in error
14599 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
14601 * calls.c (emit_library_call_value_1): Use valreg instead
14602 of hard_libcall_value.
14604 2000-07-03 Geoff Keating <geoffk@cygnus.com>
14606 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
14607 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
14608 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
14616 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
14617 mode instead of wider_mode is being used.
14619 2000-07-03 Jakub Jelinek <jakub@redhat.com>
14621 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
14622 of 'r'. Use q_regs_operand.
14623 (andsi_1+2): Use q_regs_operand.
14625 2000-07-03 Jakub Jelinek <jakub@redhat.com>
14627 * builtins.c (get_memory_rtx): Always put into alias set 0.
14629 2000-07-03 Nick Clifton <nickc@cygnus.com>
14631 * config/arm/arm.md: Fix post increment and pre increment
14632 peepholes so that they do not generate UNPREDICATBLE opcodes.
14633 (ie ones where the increment clobbers the source/destination).
14635 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
14637 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
14638 change too big for -mtiny-stack" a warning, if larger than 63.
14639 (out_set_stack_ptr): Change the logic so -mno-interrupts is
14640 always safe to use on possible future devices.
14641 (function_prologue): Write SPH before SPL, for consistency.
14642 If interrupt_func_p true, we know we have enabled interrupts.
14643 (avr_num_arg_regs): New function. Round up to even number of
14644 bytes if no -mpack-args or if calling a libgcc function.
14645 (function_arg, function_arg_advance): Use it.
14646 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
14647 Output "movw" if available.
14648 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
14649 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
14650 (asm_output_section_name): Add blanks for consistent output.
14651 (encode_section_info): Set TREE_READONLY for progmem data to
14652 avoid gas warnings about changed section attributes.
14653 (avr_hard_regno_mode_ok): Force non-QImode data to start in
14654 even numbered registers on devices with "movw".
14655 * config/avr/avr.h (MASK_*): Define bits for target_flags.
14656 (TARGET_SWITCHES): Mark help strings for translation.
14657 Add new -mpack-args and -menhanced switches.
14658 (TARGET_OPTIONS): Mark help strings for translation.
14659 (progmem_section): Add section attributes.
14660 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
14661 Output "movw" if available.
14662 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
14664 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
14665 call convention (arguments aligned on even registers).
14666 (_cleanup, _exit): Make weak symbols libc can override.
14668 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14670 * fp-bit.h: New file.
14672 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
14673 Comment #endif statements.
14674 (__thenan_sf, __thenan_df): Add missing braces around initializer.
14676 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
14678 * gcse.c (compute_pre_data): Compute ae_kill using other local
14679 properties instead of calling compute_ae_kill.
14681 * alias.c (init_alias_analysis): Do not call
14682 prologue_epilogue_contains until after reload has completed.
14684 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
14686 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
14687 (genrtl_finish_compound_stmt): Likewise.
14688 (genrtl_compound_stmt): Change to return void.
14690 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
14691 move code from here to ...
14692 (genrtl_compound_stmt): ... here.
14693 (genrtl_finish_compound_stmt): Remove.
14694 (expand_stmt): Add comment.
14696 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
14698 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
14701 2000-07-02 Jakub Jelinek <jakub@redhat.com>
14703 * cpplib.h (struct cpp_reader): New field include_depth.
14704 (struct cpp_printer): Rename last_bsd to last_id.
14705 * cppfiles.c (read_include_file): Bump include_depth.
14706 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
14707 (output_line_command): Output correct #line if a header
14708 is including itself and is not protected against multiple inclusion.
14709 Use include_depth instead of buffer_stack_depth, last_id instead of
14711 * cppinit.c (cpp_start_read): Initialize last_id instead of
14714 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
14716 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
14717 (c-semantics.o): New target.
14719 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
14720 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
14721 (genrtl_clear_out_block): Likewise.
14722 (genrtl_goto_stmt): Likewise.
14723 (genrtl_expr_stmt): Likewise.
14724 (genrtl_decl_stmt): Likewise.
14725 (genrtl_if_stmt): Likewise.
14726 (genrtl_while_stmt): Likewise.
14727 (genrtl_do_stmt): Likewise.
14728 (genrtl_return_stmt): Likewise.
14729 (genrtl_for_stmt): Likewise.
14730 (genrtl_break_stmt): Likewise.
14731 (genrtl_continue_stmt): Likewise.
14732 (genrtl_scope_stmt): Likewise.
14733 (genrtl_switch_stmt): Likewise.
14734 (genrtl_case_label): Likewise.
14735 (genrtl_begin_compound_stmt): Likewise.
14736 (gerntl_finish_compound_stmt): Likewise.
14737 (genrtl_compound_stmt): Likewise.
14738 (genrtl_asm_stmt): Likewise.
14739 (genrtl_decl_cleanup): Likewise.
14740 (DECL_ANON_UNION_ELEMS): Likewise.
14741 (emit_local_var): Likewise.
14742 (make_rtl_for_local_static): Likewise.
14743 (expand_cond): Likewise.
14744 (expand_stmt): Likewise.
14745 (c_expand_return): Likewise.
14746 (c_expand_start_case): Likewise.
14747 (do_case): Likewise.
14748 (COMPOUND_STMT_NO_SCOPE): Likewise.
14749 (c_expand_asm_operands): Likewise.
14750 (NEW_FOR_SCOPE_P): New macro.
14751 (expand_expr_stmt_fn): New type.
14753 (set_current_function_name_declared): Likewise.
14754 (current_function_name_declared): Likewise.
14755 (lang_expand_stmt): Likewise.
14756 (stmts_are_full_exprs_p): Likewise.
14757 (anon_aggr_type_p): Likewise.
14758 (lang_expand_expr_stmt): Likewise.
14759 (build_case_label): Likewise.
14761 * c-decl.c (lang_expand_expr_stmt): Initialize.
14762 (stmts_are_full_exprs_p): Define.
14763 (current_function_name_declared): Likewise.
14764 (do_case): Likewise.
14765 (lang_expand_stmt): Likewise.
14766 (set_current_function_name_declared): Likewise.
14767 (anon_aggr_type_p): Likewise.
14769 * c-semantics.c: New file.
14770 (expand_cond): Moved from cp/semantics.c.
14771 (genrtl_do_pushlevel): Likewise.
14772 (genrtl_clear_out_block): Likewise.
14773 (genrtl_goto_stmt): Likewise.
14774 (genrtl_expr_stmt): Likewise.
14775 (genrtl_decl_stmt): Likewise.
14776 (genrtl_if_stmt): Likewise.
14777 (genrtl_while_stmt): Likewise.
14778 (genrtl_do_stmt): Likewise.
14779 (genrtl_return_stmt): Likewise.
14780 (genrtl_for_stmt): Likewise.
14781 (genrtl_break_stmt): Likewise.
14782 (genrtl_continue_stmt): Likewise.
14783 (genrtl_scope_stmt): Likewise.
14784 (genrtl_switch_stmt): Likewise.
14785 (genrtl_case_label): Likewise.
14786 (genrtl_begin_compound_stmt): Likewise.
14787 (genrtl_finish_compound_stmt): Likewise.
14788 (genrtl_compound_stmt): Likewise.
14789 (genrtl_asm_stmt): Likewise.
14790 (genrtl_decl_cleanup): Likewise.
14791 (make_rtl_for_local_static): Moved from cp/decl.c.
14792 (emit_local_var): Likewise.
14793 (expand_stmt): Define.
14795 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
14796 (c_expand_return): Likewise.
14797 (c_expand_start_case): Likewise.
14799 2000-07-01 Richard Henderson <rth@cygnus.com>
14801 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
14802 with the low 13 bits set.
14803 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
14804 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
14805 of the low 13 bits into a CONST plus an adddi3.
14806 (load_symptr): Set RTX_UNCHANGING_P.
14808 See ChangeLog.3 for earlier changes.