1 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
3 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
6 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8 * config/float-c4x.h: New.
9 * configure.in (c4x-*): Set float_format to c4x.
10 * configure: Regenerate.
12 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
15 compilation for solaris versions 2.7 and greater.
17 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
19 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
21 2000-10-01 Mark Mitchell <mark@codesourcery.com>
23 * config/ns32k/genix.h: Remove.
24 * config/ns32k/x-genix: Likewise.
25 * config/ns32k/xm-genix.h: Likewise.
26 * config/fx80: Remove all filee in directory.
27 * config/pyr: Likewise.
28 * config/tahoe: Likewise.
29 * config/gmicro: Likewise.
30 * config/spur: Likewise.
31 * configure.in: Remove configury bits for above targets.
32 * configure: Regenerated.
34 * configure.in: Don't configure chill by default.
35 * configure: Regenerated.
37 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
38 (lang_mark_false_label_stack): Remove.
39 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
40 <top level> string in GC area.
41 (mark_splay_tree_node): New function.
42 (mark_splay_tree): Likewise.
43 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
45 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
46 * ggc-common.c (lang_mark_false_label_stack): Change type.
47 * ggc.h (ggc_alloc_string): Add comment.
48 (ggc_strdup): New function.
50 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
52 * config/avr/avr.h (BRANCH_COST): Define as 0.
54 * config/pdp11/pdp11.c: #include "tree.h" added.
56 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
58 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
59 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
60 with known shift count.
61 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
62 New alternative for shift count 2 with no scratch register.
63 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
64 "set_n" for shift counts 1 and 2.
66 2000-09-30 Geoff Keating <geoffk@cygnus.com>
68 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
69 the mask value from the individual SET operations.
70 (return_internal_si): Move the USE after the RETURN.
71 (return_internal_di): Likewise.
72 (return_and_restore_fpregs_si): Likewise.
73 (return_and_restore_fpregs_di): Likewise.
74 (return_eh_si): Likewise.
75 (return_eh_di): Likewise.
76 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
78 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
79 Don't generate a PARALLEL around a single operation movsi_to_cr.
80 Generate the RETURN first in any PARALLELs.
82 * rtlanal.c (single_set_1): Use fatal_insn to display the
83 invalid insn. Check for more cases when a USE or CLOBBER occurs
85 * Makefile.in: Update dependencies for rtlanal.o.
87 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
89 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
91 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
93 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
94 Consistently use @email for formatting email addresses.
96 2000-09-29 Richard Henderson <rth@cygnus.com>
98 * cse.c (notreg_cost): New argument outer.
99 (COST): Pass in SET to notreg_cost
101 (fold_rtx): Use COST_IN. Prefer constants when costs
104 2000-09-29 David Edelsohn <edelsohn@gnu.org>
106 * fixinc/inclhack.def (broken_cabs): Generalize regex.
107 * fixinc/fixincl.x: Regenerate.
109 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
111 * loop.c (check_final_value): A GIV is not replaceable if used
114 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
116 * version.c: Bump to gcc-2.97.
118 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
120 * final.c (final_scan_insn): Remove extra extract_insn call;
121 Use caching for constrain_operands.
122 (cleanup_subreg_operands): Use caching for extract_insn.
123 * recog.c (constrain_operands_cached): New.
124 * recog.h (constrain_operands_cached): Declare.
125 * i386.c (ix86_attr_length_immediate_default,
126 ix86_attr_length_address_default, ix86_agi_dependant): Cache
129 * recog.c (asm_noperands): Tweak.
130 (extract_insn): Do not call asm_noperads for non-asm instructions.
132 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
134 * recog.c (recog_memoized): Rename to recog_memoized_1.
135 * recog.h (recog_memoized): Rename to recog_memoized_1.
136 (recog_memoized): New macro.
137 * rtl.h (single_set): Rename to single_set_1
138 (single_set): New macro.
139 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
142 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
143 Do not use match_dup of input operands at outputs.
144 Use register_operand for memory expression.
145 (rep_movsi): Put use last, canonicalize.
146 Use register_operand for memory expression.
147 (rep_movqi): Put use last.
148 Use register_operand for memory expression.
149 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
150 of input operands at outputs. Use register_operand for memory
152 (rep_stossi): Put use last; canonicalize; fix match_dup in
153 the address expression
154 (rep_stosqi): Likewise.
155 (memcmp expander): Update calls.
156 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
159 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
161 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
163 2000-09-28 David O'Brien <obrien@FreeBSD.org>
165 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
166 Contains the old contents of config/i386/freebsd.h
167 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
168 Contains the old contents of config/i386/freebsd-elf.h
169 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
170 config/i386/freebsd.h.
171 * configure.in: Adjust for above changes.
172 * po/POTFILES.in: Likewise.
173 * po/en_GB.po: Likewise.
174 * po/gcc.pot: Likewise.
175 * configure: Rebuilt.
177 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
179 * doloop.c (doloop_modify): Prevent delete_insn() from
180 deleting too much. Prefer loop->top over loop->start as
181 target for the new JUMP insn.
182 (doloop_valid_p): Ignore loop with exit_count != 0.
184 2000-09-28 Philipp Thomas <pthomas@suse.de>
186 * invoke.texi (i386 Options): Add athlon to table of possible
189 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
191 * diagnostic.h (output_clear_message_text): New function.
192 (output_message_text): New macro.
194 * diagnostic.c (clear_text_info): Rename to
195 output_clear_message_text.
196 (output_clear): Adjust.
197 (output_finish): Rename to output_finalize_message. Tweek.
198 (output_to_stream): Adjust.
200 2000-09-28 Neil Booth <neilb@earthling.net>
202 * cpperror.c (_cpp_begin_message): Do the test for suppression
203 of warnings and pedantic warnings before the "is a warning an
205 * cppinit.c (cpp_handle_option): Remove surplus \n.
206 * cpplex.c (ON_REST_ARG): Delete.
207 (skip_block_comment): Initialise prevc.
208 (parse_args): Improve error messages.
209 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
211 * cpplib.c (cpp_push_buffer): Fix grammar in message.
212 * cppmain.c (main): Set callbacks for #ident and #pragma
213 only if no_output option is false.
214 (do_pragma_implementation): Only call the #pragma handler
215 if it is set in the cpp_reader structure.
217 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
219 * integrate.c (copy_insn_list): if an ignored return value
220 is being clobbered, skip cloning that into the inline copy.
222 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
224 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
225 use @uref for formatting URLs.
227 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
229 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
232 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
234 * gcc.c (cpp_options): Add spec for -ftabstop=.
235 (invoke_as): New spec that handles invoking as.
236 Update specs to handle -save-temps and -traditional.
237 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
239 * cp/lang-specs.h, objc/lang-specs.h: Update to use
240 invoke_as, and handle -save-temps and -traditional (if
243 2000-09-26 Jakub Jelinek <jakub@redhat.com>
245 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
247 (function_arg_slotno): Accept TImode/CTImode.
248 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
251 2000-09-26 Michael Hayes <mhayes@cygnus.com>
253 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
256 2000-09-25 Jim Wilson <wilson@cygnus.com>
258 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
259 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
260 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
261 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
263 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
265 * cpplex.c (parse_args): Don't set VOID_REST flag.
266 (CONTEXT_VARARGS): New flag.
267 (maybe_paste_with_next): Set context earlier in loop. Use
268 it. Do varargs test with CONTEXT_VARARGS flag.
269 (push_arg_context): Set CONTEXT_VARARGS flag if we're
270 pushing an argument context for a varargs argument.
271 * cpplib.h (VOID_REST): Delete.
272 * gcc.dg/cpp/vararg1.c: Add test case.
274 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
276 * flags.h: Declare warning flag warn_system_headers.
277 * toplev.c: Define it.
278 (W_options): Add option -Wsystem-headers.
279 * diagnostic.c (count_error): Test warn_system_headers.
280 * invoke.texi: Add description for -Wsystem-headers.
281 * cpplib.h (cpp_options): New member warn_system_headers.
282 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
283 CPP_IN_SYSTEM_HEADER.
284 * cpplib.c (do_import, do_pragma_once): Likewise.
285 * cpperror.c (_cpp_begin_message): Test warn_system_headers
286 and CPP_IN_SYSTEM_HEADER.
287 * cppinit.c (handle_option): Recognize -Wsystem_headers.
288 (print_help): Describe -Wsystem_headers.
289 * cpplex.c (lex_line): Reorganize condition so that warnings
290 about C++ comments in system headers can be enabled. Remove
291 label do_line_comment.
293 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
295 * cpplex.c (save_comment): Only store the initial '/'
297 (lex_token): Combine handling of the two comment types.
298 Pass everything but the initial '/' to save_comment.
300 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
302 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
303 _cpp_can_paste): New library-internal prototypes.
304 * cpplex.c (dump_param_spelling, output_line_command,
305 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
306 cpp_printf, cpp_output_list): Move to cppoutput.c.
307 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
308 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
310 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
311 dump_param_spelling, output_line_command, cpp_scan_buffer,
312 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
314 * Makefile.in: Add cppoutput.c.
315 * po/POTFILES.in: Add cppoutput.c.
317 2000-09-25 Richard Henderson <rth@cygnus.com>
319 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
320 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
321 split until after reload.
322 (rotlsi3, rotldi3): New.
324 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
326 * diagnostic.c (output_last_position): Define.
327 (set_real_maximum_length): Tweek.
328 * diagnostic.h (output_last_position): Declare.
330 2000-09-25 Kazu Hirata <kazu@hxi.com>
332 * config/i386/i386.c: Fix formatting.
334 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
336 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
337 UNITS_PER_WORD is small.
339 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
341 * c-common.c (format_char_info): Add flags2; update comments.
342 (print_char_table, scan_char_table, time_char_table): Split some
343 flags out into flags2.
344 (check_format_info): Use flags2 for those flags, for identifying
345 the initial character of a scanf scanset, and for identifying
346 printf formats where the '0' flag is ignored with precision.
348 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
350 Changes below marked "here" add TABs on either or both sides,
351 covering start of line, up to any operand for all noted .*ASM.*_OP
352 definitions. All callers changed.
353 * tm.texi: Make documented *_ASM.*_OP:s include spacing
354 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
355 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
356 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
357 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
358 Fix typos in description for LONG_LONG_TYPE_SIZE and
360 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
361 why these defaults don't have leading spacing.
362 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
363 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
364 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
365 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
366 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
367 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
368 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
369 * varasm.c (ASM_STABS_OP): Here.
370 * xcoffout.h (ASM_STABS_OP): Here.
371 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
372 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
373 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
374 STRING_ASM_OP): Here.
375 * config/freebsd.h (IDENT_ASM_OP): Here.
376 * config/linux-aout.h (SET_ASM_OP): Here.
377 * config/linux.h (SET_ASM_OP): Here.
378 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
380 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
381 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
382 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
383 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
385 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
386 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
387 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
388 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
389 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
390 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
391 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
392 * config/a29k/udi.h (INT_ASM_OP): Here.
393 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
394 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
396 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
397 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
398 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
399 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
401 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
402 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
403 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
404 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
405 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
406 SIZE_ASM_OP, STRING_ASM_OP): Here.
407 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
408 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
409 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
410 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
411 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
412 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
414 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
415 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
416 * config/arm/coff.h (INT_ASM_OP): Here.
417 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
418 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
419 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
420 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
421 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
422 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
423 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
424 STRING_ASM_OP): Here. Update documentation copy in comments.
425 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
426 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
427 DATA_SECTION_ASM_OP): Here.
428 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
430 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
431 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
432 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
433 BSS_SECTION_ASM_OP): Here.
434 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
435 BSS_SECTION_ASM_OP): Here.
436 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
438 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
439 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
440 * config/h8300/h8300.h (ASM_WORD_OP): Here.
441 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
442 BSS_SECTION_ASM_OP): Here.
443 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
444 * config/i386/bsd.h (ASM_BYTE_OP): Here.
445 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
446 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
447 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
449 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
450 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
452 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
453 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
454 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
455 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
457 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
458 * config/i386/netbsd.h (INT_ASM_OP): Here.
459 * config/i386/openbsd.h (INT_ASM_OP): Here.
460 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
462 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
463 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
464 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
465 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
466 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
467 SHARED_BSS_SECTION_ASM_OP): Here.
468 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
469 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
470 DATA_SECTION_ASM_OP): Here.
471 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
472 CONST_SECTION_ASM_OP): Here.
473 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
474 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
475 BSS_SECTION_ASM_OP): Here.
476 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
477 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
478 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
479 BSS_ASM_OP): Here, but use trailing spaces.
480 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
481 DATA_SECTION_ASM_OP): Here.
482 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
484 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
485 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
486 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
487 TDESC_SECTION_ASM_OP): Here.
488 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
489 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
490 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
492 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
493 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
494 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
495 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
496 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
497 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
498 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
499 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
500 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
501 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
502 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
503 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
505 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
506 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
507 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
508 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
509 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
510 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
511 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
512 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
513 GLOBAL_ASM_OP): Here.
514 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
515 BSS_SECTION_ASM_OP): Here.
516 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
517 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
518 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
519 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
521 * config/m68k/newsgas.h (SET_ASM_OP): Here.
522 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
523 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
524 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
525 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
526 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
527 but use trailing spaces.
528 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
529 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
530 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
532 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
533 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
534 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
535 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
536 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
537 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
538 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
539 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
540 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
541 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
542 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
543 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
545 * config/m88k/openbsd.h (SET_ASM_OP): Here.
546 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
547 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
548 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
549 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
550 DTORS_SECTION_ASM_OP): Here.
551 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
552 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
553 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
554 BSS_SECTION_ASM_OP): Here.
555 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
556 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
557 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
558 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
559 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
560 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
561 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
562 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
564 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
566 * config/mips/osfrose.h (SET_ASM_OP): Here.
567 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
568 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
569 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
570 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
572 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
573 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
574 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
575 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
576 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
577 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
579 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
581 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
582 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
583 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
585 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
586 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
587 * config/sparc/linux.h (COMMON_ASM_OP): Here.
588 * config/sparc/linux64.h (COMMON_ASM_OP,
589 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
590 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
591 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
592 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
593 * config/sparc/pbd.h (ASM_INT_OP): Here.
594 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
595 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
596 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
597 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
598 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
599 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
600 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
601 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
602 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
603 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
604 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
605 EH_FRAME_SECTION_ASM_OP): Here.
606 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
607 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
609 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
611 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
612 TCOMMON_ASM_OP): Here.
613 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
615 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
618 2000-09-25 Richard Henderson <rth@cygnus.com>
620 * expmed.c (store_bit_field): Adjust last change to not consider
621 any word-sized field naturally aligned.
623 2000-09-24 Richard Henderson <rth@cygnus.com>
625 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
626 TFmode unordered compares properly. Revalidate integer compare
628 (alpha_emit_setcc): New.
629 (alpha_emit_conditional_move): Revalidate integer compare operands.
630 * config/alpha/alpha-protos.h: Update.
631 * config/alpha/alpha.md (cmpdi): Allow general operands.
632 (sne): Use alpha_emit_setcc.
633 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
634 (sunordered, sordered): New.
636 2000-09-24 Richard Henderson <rth@cygnus.com>
638 * config/ia64/ia64-protos.h: Update.
639 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
640 (ia64_expand_call): New.
641 (ia64_expand_prologue): Emit an alloc if we need extra input
643 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
645 (struct reg_flags): Add is_sibcall.
646 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
647 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
648 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
649 * config/ia64/ia64.h (PREDICATE_CODES): Update.
650 * config/ia64/ia64.md (call): Use ia64_expand_call.
651 (call_value): Likewise.
652 (sibcall, sibcall_value): New.
653 (call patterns): Remove extra expanders; tidy.
654 (sibcall_epilogue): New.
655 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
657 2000-09-24 Richard Henderson <rth@cygnus.com>
659 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
661 * sibcall.c (skip_pic_restore): New.
662 (identify_call_return_value): Use it.
664 2000-09-24 Mark Mitchell <mark@codesourcery.com>
666 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
667 functions. Generalize to handle both C and C++.
668 * Makefile.in (c-tree.info): New target.
669 (info): Add c-tree.info.
671 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
673 * expr.c (store_field): If BITSIZE is negative, use size of type.
674 (expand_expr, case COMPONENT_EXPR): Likewise.
676 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
678 * cpplex.c: Update TODO comment.
679 * cpplib.c (do_error, do_warning): Merge common code of
680 do_error and do_warning into do_diagnostic. Use it.
681 (do_diagnostic): New function.
682 * cpplib.h: Fix comment typo.
684 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
686 * c-common.c (check_format_info): Warn for a wide character string
687 used as a non-wide format argument.
689 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
691 * builtins.def (BUILT_IN_LLABS): Add.
692 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
693 * c-common.c (c_common_nodes_builtins): Create builtin functions
694 __builtin_llabs, and plain llabs unless no_nonansi_builtins
696 (expand_tree_builtin): Handle BUILT_IN_LLABS.
698 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
700 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
701 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
702 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
703 _cpp_free_toklist): No need to worry about extra dummy token
704 at the start of token lists any more.
705 (trigraph_ok): Only warn outside comments.
706 (skip_block_comment): Set and clear lexing_comment.
707 (skip_line_comment): Take a cpp_reader not cpp_buffer.
708 Set and clear lexing_comment.
709 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
710 (check_long_token): Delete.
711 (lex_percent, lex_dot): New subroutines of lex_token to
712 handle lexing of '.' and '%' without lookback.
713 (lex_token): Use lex_dot and lex_percent.
714 (lex_line): Don't check for LIST_OFFSET.
715 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
716 * cpplib.c (_cpp_parse_assertion): Similarly.
717 (cpp_push_buffer): Initialize extra_char.
718 * cpplib.h (LIST_OFFSET): Delete.
719 (struct cpp_buffer): New member extra_char.
720 (struct lexer_state): New members lexing_comment and seen_dot.
722 2000-09-23 Jason Merrill <jason@redhat.com>
724 * config/rs6000/x-aix41 (CLIB): Define here.
725 * config/rs6000/t-aix43: Not here.
726 * config/rs6000/t-aix41: Or here. Remove.
727 * configure.in: Don't use it.
729 2000-09-22 Jason Merrill <jason@redhat.com>
731 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
732 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
733 * config.in: Regenerate.
735 * configure.in: Fix checks for assembler features when using a
736 one-tree assembler that has not yet been built.
737 Fix --disable-threads.
739 2000-09-19 Geoff Keating <geoffk@cygnus.com>
741 * stmt.c (expand_asm_operands): Allow # in constraints.
743 2000-09-22 Jason Merrill <jason@redhat.com>
745 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
747 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
748 function-local names.
750 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
751 Mark Mitchell <mark@codesourcery.com>
753 * toplev.c (warn_disabled_optimization): Declare new warning flag.
754 * flags.h (warn_disabled_optimization): Add it here.
755 * gcse.c (gcse_main): Add warning when disabled.
756 * invoke.texi: Document -Wdisabled-optimization.
758 2000-09-21 Jason Merrill <jason@redhat.com>
760 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
762 * dwarf2out.c (tree_add_const_value_attribute): New fn.
763 (gen_variable_die): Call it for non-definitions.
765 * dwarf2out.c (die_struct): Add die_mark field.
766 (mark_dies, unmark_dies): New fns.
767 (clear_die_sizes): Remove.
768 (print_die): Check die_symbol rather than die_offset.
769 (build_abbrev_table, output_pubnames, output_aranges): Check
770 die_mark rather than die_offset.
771 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
774 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
776 * cppfiles.c (lookup_include_file): Rename to open_file.
777 Always create a splay tree value, even on syscall failures.
778 Negative entries indicated by fd == -2.
779 Re-open files closed in the meantime.
780 (_cpp_fake_include): Create a negative splay tree entry.
781 (find_include_file, cpp_read_file): Update for function name
783 * gcc.gd/cpp/mi4.c: Testcase.
785 2000-09-21 Nick Clifton <nickc@redhat.com>
787 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
790 * config/mcore/mcore.c: Fix compile time warnings.
791 * config/mcore/mcore-protos.h: Fix compile time warnings.
793 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
795 * configure.in: Correct test of gcc_cv_glibc.
796 * configure: Rebuilt.
797 * config.in: Rebuilt.
799 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
801 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
802 (expand_builtin): Handle BUILT_IN_FWRITE.
804 * builtins.def (BUILT_IN_FWRITE): New entry.
806 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
808 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
810 * gcc.c (modify_target): New variable and struct.
811 (process_command): Handle MODIFY_TARGET_NAME.
812 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
813 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
815 * c-decl.c (finish_decl): Add else's to avoid referencing
816 TYPE_DOMAIN of an ERROR_MARK.
818 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
820 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
823 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
825 * config/avr/avr.md (neghi2): Add alternative for input and output
826 operands in different registers, as in negsi2.
827 (*negsi2): Remove '*' from the name. Use "movw" if available.
829 2000-09-19 Jim Wilson <wilson@cygnus.com>
831 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
832 HAVE_GAS_HIDDEN macro.
834 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
836 * cpplex.c (lex_line): Drop the EOF token for unknown
837 directives in assembler.
839 2000-09-19 David Edelsohn <edelsohn@gnu.org>
841 * configure.in: Allow enable_threads_flag value of "aix". Define
842 thread_file as "aix" for AIX 4.3 and above.
843 * configure: Regenerated.
845 * gthr-aix.h: New file.
847 * rs6000/t-aix43: Replace soft-float multilib with pthread.
848 Remove 403 processor multilib match. Fix rios2 processor multilib
851 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
852 to return to appropriate csect.
854 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
856 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
858 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
859 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
862 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
865 * c-common.c (init_function_format_info): Handle __builtin_printf.
866 Set `check_function_format_ptr'.
867 (c_common_nodes_and_builtins): Set `puts_ftype' and
868 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
869 __builtin_printf and printf.
871 * tree.c, tree.h (check_function_format_ptr): Declare.
873 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
875 * cppfiles.c (read_include_file): Take no special action for
878 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
880 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
881 rather than that of branch.
882 (shorten_branches): Don't increment insn_current_address twice.
884 Undo most of the Wed Jan 27 23:39:53 1999 patch:
885 * loop.h (struct induction): Delete members derived, ix and last_use.
886 (struct loop_ivs): Delete members first_increment_giv and
888 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
889 recombine_givs): Delete functions.
890 (find_and_verify_loops): Don't initialize cont_dominator.
891 (strength_reduce): Lose code to try to find bivs that can be
892 expressed as givs of another biv, and to convert biv increments
894 Lose loop_scan_start variable, always use loop->scan_start.
895 Don't call recombine_givs. Don't handle derived givs.
896 (record_giv): Don't initialize derived and last_use fields.
897 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
899 * unroll.c (derived_regs): Delete static variable.
900 (unroll_loop): Don't initialize it.
901 (copy_loop_body): Lose code to handle derived givs.
902 (find_splittable_givs): Don't check for givs made from biv
904 Don't set derived_regs.
906 Fix misapplied earlier patch:
907 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
909 (floatsisf2): Generate floatsisf_ie by default.
910 (floatsisf_i4): Conditional on TARGET_SH4.
912 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
913 predicate for the expanders.
915 2000-09-19 Richard Henderson <rth@cygnus.com>
917 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
918 in addition to pentium and pentiumpro symbols.
919 (CPP_CPU_DEFAULT_SPEC): Likewise.
921 * c-typeck.c (c_expand_asm_operands): Restore the output tree
924 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
925 if the tree has side effects.
926 (warn_if_unused_value): Do not warn about void constructs.
928 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
930 * unroll.c (copy_loop_body): Update LABEL_NUSES before
933 2000-09-18 Geoff Keating <geoffk@cygnus.com>
935 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
938 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
940 * Makefile.in (c-common.o): Depend on diagnostic.h.
942 * c-common.c: Include diagnostic.h.
944 (status_warning): New function.
945 (check_format_info, maybe_read_dollar_number, check_format_types,
946 finish_dollar_format_checking, check_function_format): Accept a
947 `status' parameter. All callers changed.
949 * c-common.h (check_function_format): Accept a `status' parameter.
951 * c-typeck.c: Update call to `check_function_format'.
953 2000-09-18 Richard Henderson <rth@cygnus.com>
955 * c-decl.c (c_expand_body): Call mark_varargs before
956 expand_function_start.
958 2000-09-18 Geoff Keating <geoffk@cygnus.com>
960 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
961 * config/rs6000/eabi-ci.asm: Likewise.
963 2000-09-18 Richard Henderson <rth@cygnus.com>
965 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
968 2000-09-18 Jim Wilson <wilson@cygnus.com>
970 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
971 before passing it to fold_rtx_mult_add.
973 * unroll.c (final_giv_value): Pass increment through
974 extend_value_for_giv before passing it to emit_iv_add_mult.
976 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
977 paradoxical subreg, then directly substitute the replacement and
980 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
982 * cpp.texi: Update documentation, including some clarifications,
983 the treatment of various newline combinations, and space between
984 backslash and newline.
986 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
988 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
989 Replace ASM_OUTPUT_LABELREF with assemble_name.
991 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
993 * sh.c (addsubcosts): CONST is not cheap.
994 (find_barrier): For Sh1, take alignment after jumps into account.
996 2000-09-15 Andrew Haley <aph@redhat.com>
998 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
999 remove all SETs of SUBREGs of hard registers.
1000 * function.c (purge_hard_subreg_sets): New function.
1001 (purge_single_hard_subreg_set): New function.
1002 * rtl.h: (purge_hard_subreg_sets): New function.
1004 2000-09-18 Richard Henderson <rth@cygnus.com>
1006 * config/ia64/ia64-protos.h: Update.
1007 * config/ia64/ia64.c (signed_inequality_operator): New.
1008 (ia64_expand_compare): New.
1009 (ia64_register_move_cost): Handle PR_REGS moves.
1010 (ia64_secondary_reload_class): Require a GR when moving to a PR.
1011 (struct reg_write_state): Add written_by_and/or.
1012 (struct reg_flags): Add is_and/or.
1013 (rws_update): Set them.
1014 (rws_access_regno): Test them to allow parallel comparisons.
1015 (rtx_needs_barrier): Recognize parallel comparisons.
1016 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
1017 Call recog_memoized; ignore pred_rel_mutex.
1018 (emit_predicate_relation_info): Don't call find_basic_blocks here.
1019 (ia64_reorg): Do it here instead.
1020 * config/ia64/ia64.h: s/CCmode/BImode/g
1021 (MODES_TIEABLE_P): Don't tie BImode.
1022 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
1023 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
1024 (RTX_COSTS): Make multiply 4 insns.
1025 (MEMORY_MOVE_COST): New.
1026 (PREDICATE_CODES): Update.
1027 * config/ia64/ia64.md: s/CCmode/BImode/g
1028 (movcci, movbi): New.
1029 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
1030 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
1031 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
1032 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
1033 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
1034 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
1035 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
1036 (mulsi, muldi): Use xmpy not xma.
1038 (movcc, movcc_internal): Remove.
1039 (branch expanders): Use ia64_expand_compare.
1040 (setcc expanders): Likewise.
1041 (cmov insns): Use move_operand and ia64_move_ok.
1042 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
1043 scheduler from moving it past a use.
1044 * config/ia64/build.hacks: Remove.
1046 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
1048 * cpphash.h (HASHSTEP): Take character rather than pointer
1050 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
1052 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
1054 * cpplex.c (auto_expand_name_space, trigraph_replace,
1055 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
1056 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
1057 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
1058 KNOWN_DIRECTIVE): Delete.
1060 (handle_newline, check_long_token, skip_escaped_newlines,
1061 unterminated): New functions.
1062 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
1064 (parse_identifier): Was parse_name, new implementation.
1065 (skip_line_comment, skip_block_comment, skip_whitespace,
1066 parse_number, parse_string, trigraph_ok, save_comment,
1067 adjust_column, _cpp_get_line): New implementations.
1069 (lex_token): New function. Lexes a token at a time, looking
1070 forwards. Contains most of the guts of the old lex_line.
1071 (lex_line): New implementation, using lex_token to obtain
1073 (cpp_scan_buffer): Use the token's line, not the list's line.
1075 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
1076 New implementations.
1077 (do_assert): Don't bother setting the answer's list's line.
1078 (cpp_push_buffer): Initialise new pfile and read_ahead members
1079 of struct cpp_buffer.
1081 * cpplib.h (cppchar_t): New typedef.
1082 (struct cpp_buffer): read_ahead, pfile and col_adjust are
1084 (struct lexer_state): New structure that determines the state
1085 and behaviour of the lexer.
1086 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
1087 (struct cpp_reader): New member "state". Rename
1088 multiline_string_line and multiline_string_column. Delete
1089 col_adjust, in_lex_line members.
1090 (CPP_BUF_COLUMN): Update.
1092 2000-09-18 Richard Henderson <rth@cygnus.com>
1094 * combine.c (simplify_comparison): Shift a NOT out of a single
1097 * combine.c (if_then_else_cond): Canonicalize BImode true to
1099 * explow.c (trunc_int_for_mode): Likewise.
1101 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
1102 the NOT for De Morgan's rule.
1103 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
1104 of a comparison to the reverse comparison.
1106 * combine.c (try_combine): Allow split to create a single insn.
1108 * machmode.def: Add BImode. Add a column for bitsize.
1109 * machmode.h (DEF_MACHMODE): Adjust for extra column.
1110 (GET_MODE_BITSIZE): Use it.
1111 * rtl.c (DEF_MACHMODE): Adjust for extra column.
1112 (mode_bitsize): New.
1113 (mode_mask_array): Use bitsize.
1114 * combine.c (combine_simplify_rtx): Require inner and outer
1115 modes to match on nonzero_bits optimizations.
1117 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
1119 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
1120 its entry in spill_reg_store.
1121 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
1122 * sh.c (reg_no_subreg_operand): New function.
1123 * sh-protos.h (reg_no_subreg_operand): Declare it.
1124 * sh.h (PREDICATE_CODES): Add it.
1125 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
1126 input operand that needs to be in fpul.
1127 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
1128 * sh.c (find_barrier): Take into account that machine_dependent_reorg
1129 might add new insns.
1131 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
1133 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
1135 (sh_expand_epilogue): Take the PIC register into account when
1136 computing the frame size.
1138 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
1139 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
1140 LABEL_REFs with a PIC-safe unspec.
1142 2000-09-18 Will Cohen <wcohen@redhat.com>
1144 * extend.texi (Zero Length): State that static initializers for
1145 zero-length arrays are not allowed.
1147 * c-typeck.c (process_init_element): Flag initializers for zero
1150 * tree.c (integer_all_onesp): Ignore TREE_INT_CST_HIGH if prec is
1151 exactly HOST_BITS_PERWIDE_INT.
1153 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1155 * c-common.c (check_format_info): Properly save the argument
1156 number and parameter for $ operand number formats in case width
1157 and precision arguments are also used. Allow printf width and
1158 precision arguments to have operand numbers even if none was
1159 specified for the main format, since this is OK for %*.*m. Only
1160 object to missing $ operand number if the format used requires an
1163 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1165 * c-common.c (format_char_info): Add 'W' flag to comment.
1166 (print_char_table, scan_char_table): Use it.
1167 (check_format_info): Use the 'W' flag to determine whether a
1168 format argument is written into.
1170 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1172 * c-common.c (check_format_types): Reorganise and clean up,
1173 checking earlier for ERROR_MARKs and making cur_type into its
1174 TYPE_MAIN_VARIANT where convenient.
1176 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1178 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
1180 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
1182 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
1184 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
1185 * i386.c (struct builtin_description): New.
1186 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
1187 (mmx_reg_operand): Declare MODE arg as unused.
1188 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
1189 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
1190 ix86_expand_binop_builtin, ix86_expand_store_builtin,
1191 ix86_init_builtins, ix86_expand_builtin): New functions.
1192 * i386.h (ix86_builtins): New enumeration.
1193 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
1194 * i386.md (attr length_immediate): 0 for mmx/sse types.
1195 (attr prefix_0f): 1 for mmx/sse types.
1196 (setcc_2): Remove "*" so we get gen_setcc_2.
1197 (emms): Account for changed register numbering. Set "memory" attr
1199 (sfence): Set "memory" attr to unknown.
1201 2000-09-18 Andreas Jaeger <aj@suse.de>
1203 * configure.in: Define _GNU_SOURCE only when using the GNU C
1205 * configure: Regenerated.
1206 * config.in: Regenerated.
1208 2000-09-17 Mark Mitchell <mark@codesourcery.com>
1210 * cppinit.c (cpp_init): Don't use ANSI prototypes.
1211 * flow.c (flow_dump_loop): Likewise.
1212 (flow_loops_dump): Likewise.
1214 * c-typeck.c (c_start_case): Fix typo.
1216 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1218 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
1219 to int for plain complex which defaults to complex double. Do
1220 warn about defaulting to complex double if pedantic. Warn about
1221 complex integer types if pedantic. Warn about complex types if
1222 pedantic and not in C99 mode.
1223 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
1224 for complex conjugation.
1226 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1228 * contrib.texi: Update my entry.
1230 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
1232 * config/avr/avr.md (mcu_enhanced): New attribute.
1233 (mcu_mega): Likewise.
1234 (extendhisi2): Use mcu_enhanced.
1235 (zero_extendhisi2): Likewise.
1236 (call_insn): Use mcu_enhanced and mcu_mega.
1237 (call_value_insn): Likewise.
1238 (*sbrx_branch): Use mcu_mega.
1239 (*sbrx_and_branchsi): Likewise.
1240 (*sbrx_and_branchhi): Likewise.
1241 (*tablejump_lib): Likewise.
1243 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1245 * alias.c (true_dependence): Allow non-unchanging read to conflict
1246 with unchanging write.
1248 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
1249 (store_constructor): Pass alias_set to it.
1251 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
1252 TYPE_MAIN_VARIANT of ERROR_MARK.
1253 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
1255 * simplify-rtx.c (simplify_unary_operation): Add cases
1256 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
1258 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
1260 * expr.h (emit_library_call, emit_library_call_value): Delete
1262 * rtl.h (enum libcall_type): New.
1263 (emit_library_call, emit_library_call_value): Change fn_type arg to
1264 be of type enum libcall_type.
1265 * calls.c: Likewise for the function definitions. Several callers
1266 throughout changed to use the new enumeration appropriately.
1267 (emit_library_call_value_1): Likewise. Put back code to make libcall
1268 blocks of equal form, but only use it for the two new higher
1271 2000-09-16 Mark Mitchell <mark@codesourcery.com>
1273 Convert the C front-end to use function-at-a-time mode.
1274 * c-common.h: Include splay-tree.h.
1275 (C_DECLARED_LABEL_FLAG): New macro.
1276 (struct language_function): Add x_scope_stmt_stack and
1277 x_function_name_declared_p.
1278 (RECHAIN_STMTS): Move definition.
1279 (lang_statment_code_p): Likewise.
1280 (lang_expand_stmt): Likewise.
1281 (lang_expand_decl_stmt): New variable.
1282 (lang_expand_function_end): Likewise.
1283 (current_scope_stmt_stack): New function.
1284 (add_decl_stmt): Likewise.
1285 (add_scope_stmt): Likewise.
1286 (mark_stmt_tree): Likewise.
1287 (struct c_lang_decl): New structure.
1288 (DECL_SAVED_TREE): Define.
1289 (c_mark_lang_decl): New function.
1290 (c_expand_start_cond): Change prototype.
1291 (c_finish_then): New function.
1292 (c_finish_else): Likewise.
1293 (current_function_name_declared): Remove.
1294 (set_current_function_name_declared): Likewise.
1295 (mark_c_language_function): Declare.
1296 (case_compare): Likewise.
1297 (c_add_case_label): Likewise.
1298 (c_expand_expr): Likewise.
1299 (c_safe_from_p): Likewise.
1300 * c-common.c (lang_expand_function_end): New variable.
1301 (struct if_elt): Add if_stmt.
1302 (c_expand_start_cond): Add the if-statement to the statement-tree,
1303 rather than generating RTL.
1304 (c_finish_then): New function.
1305 (c_expand_start_else): Don't generate RTL.
1306 (c_finish_else): New function.
1307 (c_expand_expr_stmt): Don't generate RTL.
1308 (statement_code_p): Add SCOPE_STMT.
1309 (case_compare): New function.
1310 (c_add_case_label): Likewise.
1311 (mark_stmt_tree): Likewise.
1312 (c_mark_lang_decl): Likewise.
1313 (mark_c_language_function): Likewise.
1314 (c_expand_expr): Likewise.
1315 (c_safe_from_p): Likewise.
1316 * c-decl.c (c_stmt_tree): New variable
1317 (c_scope_stmt_stack): Likewise.
1318 (c_function_name_declared_p): Likewise.
1319 (lang_expand_expr_stmt): Remove.
1320 (poplevel): Don't call output_inline_function for nested
1322 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
1324 (redeclaration_error_message): Change means of computing whether
1325 or not a function is nested.
1326 (lookup_label): Don't call label_rtx.
1327 (init_decl_processing): Add more GC roots.
1328 (start_decl): Add DECL_STMTs to the statement-tree, rather than
1329 calling rest_of_decl_compilation.
1330 (finish_decl): Don't call expand_decl.
1331 (store_parm_decls): Begin the statement-tree, but don't generate
1333 (finish_function): Tie off the statement-tree. Call c_expand_body
1335 (c_expand_body): New function.
1336 (push_c_function_context): Save more information.
1337 (pop_c_function_contxt): Likewise.
1338 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
1339 (lang_mark_tree): Mark it.
1340 (current_stmt_tree): Adjust.
1341 (current_scope_stmt_stack): New function.
1343 (set_current_name_declared): Likewise.
1344 (c_begin_compound_stmt): Define.
1345 (c_expand_decl_stmt): Likewise.
1346 * c-lang.c: Include rtl.h and expr.h.
1347 (lang_init): Set more language-specific hooks.
1348 * c-lex.c: Include expr.h.
1349 * c-parse.in: Changes throughout to add statements to the
1350 statement-tree, rather than generating RTL after every statement.
1351 * c-semantics.c (lang_expand_decl_stmt): Define.
1352 (add_decl_stmt): New function.
1353 (add_scope_stmt): Likewise.
1354 (finish_stmt_tree): Tweak.
1355 (genrtl_expr_stmt): Likewise.
1356 (genrtl_decl_stmt): Handle local labels, and call
1357 lang_expand_decl_stmt if required.
1358 (genrtl_for_stmt): Fix line-number handling.
1359 (genrtl_case_label): Handle cleanups.
1360 (genrtl_asm_stmt): Don't call combine_strings.
1361 (genrtl_compound_stmt): Simplify.
1362 (expand_stmt): Handle SCOPE_STMTs.
1363 * c-tree.h (struct lang_decl): New structure.
1364 (C_DECLARED_LABEL_FLAG): Remove.
1365 (c_begin_compound_stmt): Declare.
1366 (c_expand_decl_stmt): Likewise.
1367 (c_expand_start_case): Rename to c_start_case.
1368 (c_finish_case): New function.
1369 * c-typeck.c (start_init): Tweak setting of
1370 constructor_incremental.
1371 (c_expand_asm_operands): Tweak error-handling. Add to the
1373 (c_expand_return): Add to the statement-tree.
1374 (c_expand_start_case): Rename to ...
1375 (c_start_case): ... this.
1376 (struct c_switch): New type.
1377 (switch_stack): New variable.
1378 (do_case): Simplify.
1379 (c_finish_case): New function.
1380 * dependence.c: Include expr.h.
1381 (enum dependence_type): Change spelling of enumerals.
1382 (check_node_dependence): Adjust.
1383 * expr.h (lang_safe_from_p): Declare.
1384 (safe_from_p): Likewise.
1385 * expr.c (lang_safe_from_p): New variable.
1386 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
1387 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
1388 * toplev.c (rest_of_decl_compilation): Robustify.
1389 * tree.c (contains_placeholder_p): Likewise.
1390 * Makefile.in: Update dependencies.
1391 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
1392 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
1393 (objc_expand_function_end): New function.
1394 (finish_method_def): Use it.
1395 (init_objc): Initialize more language-specific hooks.
1396 * objc/Make-lang.in: Update dependencies.
1398 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
1400 * configure.in: Define macros that affect features before
1401 testing for features. Don't define _XOPEN_SOURCE.
1402 * configure: Regenerated.
1403 * config.in: Regenerated.
1405 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
1407 * rtlanal.c (rtx_varies_p): Volatile asms vary.
1408 (rtx_unstable_p): Restructure code. Volatile asms
1411 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1413 * function.h (no_debugging_symbols): New field.
1414 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
1415 Initialize no_debugging_symbols.
1416 (output_inline_function): Save and restore write_symbols and set from
1417 no_debugging_symbols.
1418 * toplev.c (rest_of_compilation): Call save_for_inline.
1419 * tree.h: Update comment.
1421 * stor-layout.c (place_field): Don't do anything if field or
1422 its type are ERROR_MARK.
1424 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
1426 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
1427 (read_include_file): Ensure inc->mmaped is initialized.
1429 2000-09-16 Richard Henderson <rth@cygnus.com>
1431 * cppiles.c (purge_cache): Use PTR not caddr_t.
1433 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
1435 * gcc.c: In description for %{<S}, say the option removed is -S.
1436 * invoke.texi (Spec Files): Ditto.
1438 2000-09-16 Andreas Jaeger <aj@suse.de>
1440 * configure.in: Always define _GNU_SOURCE to make interfaces
1441 visible that were hidden by only defining _GNU_SOURCE.
1442 * configure: Regenerated.
1444 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
1446 * cpplex.c (push_macro_context): Set an argument's level after
1447 calling parse_args. We could loop infinitely otherwise.
1449 2000-09-15 Tom Tromey <tromey@cygnus.com>
1451 * configure, config.in: Rebuilt.
1452 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
1454 2000-09-15 Greg McGary <greg@mcgary.org>
1456 * cppmacro.c (check_trad_stringification): Check token
1457 text pointers against limit before dereferencing.
1459 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
1461 * c-common.c (format_wanted_type): New structure.
1462 (check_format_types): New function.
1463 (check_format_info): Pass all checking of types of format
1464 arguments, including width and precision arguments, to this new
1467 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1469 * BUGS: Remove file.
1471 2000-09-15 Jakub Jelinek <jakub@redhat.com>
1473 * config/alpha/alpha.c (override_options): ev6 cache latencies
1474 from Richard Henderson. Don't allow -mmemory-latency=L0.
1476 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
1477 (TARGET_OPTIONS): Add tune=.
1478 (alpha_tune_string): Declare.
1479 * config/alpha/alpha.c (override_options): Add cpu_table.
1480 Use alpha_cpu_string first to set both alpha_cpu and target_flags
1481 and then alpha_tune_string to set alpha_cpu only.
1482 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
1483 * config/alpha/elf.h (ASM_FILE_START): Likewise.
1484 * config/alpha/osf.h (ASM_FILE_START): Likewise.
1485 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
1487 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
1489 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
1491 (ix86_comparison_operator, ix86_cc_mode): Declare
1492 * i386.h (CCGC, CCGCO): New modes.
1493 (SELECT_CC_MODE): Move offline to ....
1494 * i386.c (ix86_cc_mode): .... here; use new modes.
1495 (ix86_comparison_operator): New.
1496 (fcmov_comparison_operator): Ensure proper mode.
1497 (put_condition_mode): More sanity checking.
1498 (ix86_match_ccmode): Handle new modes.
1499 (ix86_expand_fp_compare): GEU requires CCmode.
1500 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
1502 * i386.md (cmp?i_ccz_1): Remove
1503 (cmp?i_ccno_1): Use ix86_match_ccmode.
1504 (cmp?i_minus_1): New.
1505 (cmpsi_1): New expander.
1506 (cmpqi_ext_1): Use match_ccmode
1507 (cmpqi_ext_3): New expander.
1508 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
1509 (cmpqi_ext_4): Use match_ccmode.
1510 (add?i_?): Use match_ccmode.
1512 (test?i_ccz_1): Remove
1514 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
1515 (testqi_ext_0): Use ix86_match_ccmode.
1516 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
1517 (xorqi_cc_ext_1): New expander.
1518 (shift patterns): Use CCGOCmode for all shifts except for sar.
1519 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
1520 (setcc_3, jcc_3, miv?icc_c): Remove.
1522 2000-09-15 Will Cohen <wcohen@redhat.com>
1524 * dwarf2out.c (add_const_value_attribute): Changed array into a
1525 xmalloced object, so it exists after function exit.
1526 (free_AT): Added case for dw_val_class_float to free allocated
1529 2000-09-15 Kazu Hirata <kazu@hxi.com>
1531 * config/i386/i386.md: Fix a comment typo.
1532 * gcc.c: Fix formatting.
1534 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
1536 * optabs.c (emit_libcall_block): If target is a user variable,
1537 copy to a temporary first.
1538 * expr.c (convert_move): When generating a libcall, make a libcall
1540 * calls.c (emit_library_call_value_1): Don't create a libcall
1541 sequence here; our caller will in most cases do it.
1543 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
1545 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
1546 * sh.md (reload_outsf): Generate recognizable patterns for
1548 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
1549 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
1550 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
1551 truncdfsf2_i4): Change not to use explicit references to fpul.
1552 (floatsisf2_ie): Remove USE of fpscr.
1553 (floatsisf2): Change default expansion to match this.
1554 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
1557 2000-09-15 Richard Henderson <rth@cygnus.com>
1559 * expmed.c (store_bit_field): Consider naturally aligned
1560 memory for direct reference.
1562 2000-09-15 Richard Henderson <rth@cygnus.com>
1564 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
1565 AND addresses into alias set 0.
1566 (alpha_expand_unaligned_store): Likewise.
1567 (alpha_expand_unaligned_load_words): Likewise.
1568 (alpha_expand_unaligned_store_words): Likewise.
1570 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
1572 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
1573 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
1575 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
1576 rsize of UNITS_PER_WORD.
1578 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
1580 * cpplex.c (ON_REST_ARG): Correct the test.
1581 (maybe_paste_with_next): Duplicate a token that fail pasting,
1582 and clear its PASTE_LEFT flag, so that nested pasting attempts
1585 2000-09-14 Richard Henderson <rth@cygnus.com>
1587 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
1588 * cse.c (rtx_cost): Likewise.
1589 * optabls.c (expand_binop): Likewise.
1590 (expand_twoval_binop, prepare_cmp_insn): Likewise.
1591 * regclass.c (copy_cost): Likewise.
1592 * reload1.c (reload_cse_move2add): Likewise.
1594 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
1596 * c-parse.in (reswords): Add _Complex.
1598 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1600 * gcc.1: Delete documentation for -undef preprocessor option.
1602 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
1604 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
1605 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
1606 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
1607 Remove undefine before config/elfos.h.
1608 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
1610 2000-09-14 Kazu Hirata <kazu@hxi.com>
1612 * invoke.texi (H8/300 Options): Add -ms2600.
1613 * config/h8300.c (h8300_init_once): Output an error when -ms2600
1614 is used without -ms.
1615 * config/h8300.h (TARGET_MAC): New.
1616 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
1617 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
1618 machine other than H8/S2600.
1619 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
1622 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
1624 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
1625 pseudos that refer to the original pseudos, not only to their
1626 equivalent memory locations.
1628 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1630 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
1631 when making new MEM.
1633 * Makefile.in (LN): Remove duplicate definition.
1635 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1637 From Joern Rennecke:
1638 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
1639 on an insn and function_invariant_p returns nonzero for the source,
1640 add a REG_EQUAL note.
1642 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
1644 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
1645 conflict with frame_pointer_rtx.
1647 2000-09-13 Kazu Hirata <kazu@hxi.com>
1649 * loop.c: Fix formatting.
1652 2000-09-13 Richard Henderson <rth@cygnus.com>
1654 * config/ia64/ia64.md (divsf3): New.
1655 (divsf3_internal_lat, divsf3_internal_thr): New.
1656 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
1657 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
1658 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
1659 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
1660 (nmadddf4_alts, nmadddf4_trunc): New.
1661 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
1662 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
1663 (multf3_truncsf_alts, multf3_truncdf_alts): New.
1664 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
1665 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
1666 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
1667 (nmaddtf4_truncdf_alts): New.
1668 (recip_approx): Don't predicate.
1670 2000-09-13 Richard Henderson <rth@cygnus.com>
1672 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
1674 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1676 * flags.h (flag_dump_rtl_in_asm): Declare.
1677 * toplev.c (flag_dump_rtl_in_asm): Define.
1678 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
1679 if -dP is specified.
1680 * rtl.h (print_rtx_head): Declare.
1681 * print-rtl.c (print_rtx_head): Define.
1682 (print_rtx): Print the string pointed to by print_rtx_head
1683 at beginning of each dump line.
1684 (print_rtl): Likewise.
1685 (print_rtl_single): Likewise.
1686 * final.c (final_scan_insn): Dump the insn in the assembly
1688 * gcc.1: Document -dP option.
1689 * invoke.texi (Debugging Options): Likewise.
1691 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1693 * md.texi (Machine Constraints): Document the 68HC11 constraints.
1694 * install.texi (Configurations): Document the 68HC11&68HC12 port.
1695 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
1697 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
1699 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
1700 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
1701 (*clrstrqi): Likewise.
1702 (xorhi3,xorsi3,absqi2): Likewise.
1703 (one_cmplhi2,one_cmplsi2): Likewise.
1704 (addsi3): Two stupid constraint alternatives removed.
1705 (extendhisi2): Use `movw' for enhanced avr cores.
1706 (zero_extendhisi2): Likewise.
1708 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
1710 * alias.c (find_base_term): Use frame_pointer_rtx
1711 when handling an ADDRESSOF.
1713 * cse.c (canon_hash): Handle USE of BLKmode memory.
1714 (cse_insn): Outgoing arguments for a libcall don't
1715 affect any recorded expressions.
1717 2000-09-12 Tom Tromey <tromey@cygnus.com>
1719 * configure, config.in: Rebuilt.
1720 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
1722 2000-09-12 Jakub Jelinek <jakub@redhat.com>
1724 * c-lex.c (lex_string): Use charwidth to compute bytemask.
1725 * expr.c (expand_expr): Don't optimize constant array references
1726 initialized with wide string constants.
1728 2000-09-13 Michael Hayes <mhayes@cygnus.com>
1730 * loop.c (note_set_pseudo_multiple_uses): Correct.
1732 2000-09-12 Jim Wilson <wilson@cygnus.com>
1734 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
1735 else block, and X has side-effects, then fail.
1737 2000-09-12 Greg McGary <greg@mcgary.org>
1739 * config/mips/mips-protos.h
1740 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
1741 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
1742 (PREDICATE_CODES): Add "trap_cmp_op".
1743 * config/mips/mips.c
1744 (trap_cmp_op, mips_gen_conditional_trap): New functions.
1745 * config/mips/mips.md (trap, conditional_trap): New patterns.
1747 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1749 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
1752 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1754 * builtins.c (built_in_decls): New array.
1755 (expand_builtin_fputs): New function.
1756 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
1758 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
1760 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
1762 * tree.h (built_in_decls): New array.
1764 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
1766 * convex.md: Use "+" instead of "=" for outputs wrapped in a
1768 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
1770 2000-09-12 Kazu Hirata <kazu@hxi.com>
1772 * haifa-sched.c: Fix formatting.
1774 * genattrtab.c: Fix formatting.
1776 * unroll.c: Fix formatting.
1778 2000-09-12 Bruce Korb <bkorb@gnu.org>
1780 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
1781 remove obsolete code
1782 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
1783 * fixinc/fixincl.tpl: make non-exported arrays static scope
1784 * fixinc/fixincl.x: regenerate
1785 * fixinc/fixlib.h: Use PARAMS, not _P_
1786 * fixinc/fixtests.c: make a type for the test proc & use it
1787 * fixinc/server.h: Use PARAMS, not _P_
1789 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1791 * c-typeck.c (process_init_element): Avoid union init warnings on
1792 floating point zero. Don't crash on unions containing structs.
1794 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
1796 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
1797 general_movsrc_operand, and remove CONST_INT from
1798 general_movdst_operand.
1800 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1802 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
1803 if a reference to non-fixed hardreg is seen. Otherwise, count hard
1804 regs with a higher cost.
1805 (preferrable): Deal with cases where either cost or regcost is
1807 (cse_insn): Use MAX_COST rather than 10000. Always initialize
1809 (COSTS_N_INSNS): Move definition...
1811 (MAX_COST): New macro.
1812 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
1815 2000-09-11 Mark Mitchell <mark@codesourcery.com>
1817 * c-common.h (genrtl_clear_out_block): Remove.
1818 * c-semantics.c (genrtl_clear_out_block): Remove.
1819 (genrtl_while_stmt): Don't call it.
1820 (genrtl_for_stmt): Likewise.
1822 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
1824 * cppfiles.c: Move all default-#defines to top of file.
1825 (open_include_file): Replace by lookup_include_file.
1826 (read_with_read, read_file): Merged into read_include_file.
1827 (stack_include_file, purge_cache): New functions.
1828 (close_cached_fd): Delete.
1829 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
1830 Cache the in-memory buffer, not the file descriptor.
1832 * cpphash.h (struct include_file): Add buffer, st, refcnt,
1834 (xcnew): New utility macro.
1835 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
1836 * cpplib.h (struct cpp_buffer): Remove mapped field.
1838 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
1840 * cpplex.c (parse_string): Accept backslash space newline as a
1842 (lex_line): Likewise.
1843 (_cpp_get_token): Remove hard limit on macro nesting.
1845 2000-09-12 Philipp Thomas <pthomas@suse.de>
1847 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
1848 * configure: Rebuilt.
1850 2000-09-13 Michael Hayes <mhayes@cygnus.com>
1852 * flow.c (split_block): Fix update of registers live at
1855 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1857 * i386.md (add?i_3, add?i_5): New.
1858 (add?i_4): Rename from add?i_3; Fix compare pattern.
1859 (sub?i_3, xor?i_3, ior?i_3): New.
1861 * genrecog.c (write_tree): Output code to clear insn_extract cache.
1862 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
1863 instead of extract_insn and extract_constrain_insn_cache instead of
1864 extract_insn and constrain_operands.
1865 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
1867 (extract_insn): Clear which_alternative.
1868 (constrain_operands): Set which_alternative to -1 when failed.
1869 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
1872 2000-09-11 Matthew Hiller <hiller@redhat.com>
1874 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
1875 on operand 0 to '+'.
1876 (movstricthi): Likewise.
1878 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1880 * loop.h (LOOP_IVS): New macro.
1881 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
1882 (struct loop_ivs): New.
1883 (struct loop_info): Add ivs field.
1884 (reg_iv_type, reg_iv_info): Delete prototype.
1885 (reg_biv_class, loop_iv_list): Likewise.
1886 * loop.c (record_biv, find_life_end): Pass loop argument.
1887 (reg_iv_type): Remove global array and use
1888 field in loop_regs structure within loop_ivs structure.
1889 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
1890 (first_increment_giv, last_increment_giv): Use entry in
1892 (record_initial): Pass ivs pointer.
1893 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
1895 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1897 * loop.h (LOOP_REGS): New macro.
1898 (struct loop_regs): New.
1899 (struct loop_info): Add regs field.
1900 * loop.c (set_in_loop): Remove global array and store
1901 in loop_regs structure as part of loop_info structure.
1902 (n_times_set, may_not_optimize): Likewise.
1903 (reg_single_usage, moved_once): Likewise.
1904 (count_one_set): Add regs argument.
1905 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
1906 (set_pseudo_multiple_uses): Pass regs pointer.
1908 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1910 * unroll.c (iteration_info): Subsume into loop_iterations.
1911 * loop.h (loop_info): New field iv.
1913 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1915 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
1916 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
1917 (flow_loops_update): New prototype.
1918 (flow_loops_find): Add flags to prototype.
1919 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
1920 * flow.c (flow_loop_pre_header_scan): New.
1921 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
1922 (flow_loop_free): Free pre-header root and trace and exit dominators.
1923 (flow_loops_find): New argument flags.
1924 (flow_loops_update): New function.
1925 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
1927 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1929 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
1930 * flow.c (split_block, update_bb_for_insn): New functions.
1932 2000-09-11 Richard Henderson <rth@cygnus.com>
1934 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
1936 2000-09-11 Richard Henderson <rth@cygnus.com>
1938 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
1939 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
1940 (ia64_override_options): Prevent optimizing division for both
1941 latency and throughput.
1942 (rtx_needs_barrier): Handle frcpa.
1943 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
1944 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
1945 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
1946 (TARGET_SWITCHES): Add -minline-divide-min-latency and
1947 -minline-divide-max-throughput.
1948 (PREDICATE_CODES): Update.
1949 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
1950 (zero_extendsidi2): Likewise. Fix typo in f case insn.
1951 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
1952 (extendsftf2): Likewise.
1953 (extenddftf2): Likewise.
1954 (fix_trunctfdi2_alts): New.
1955 (fixuns_trunctfdi2_alts): New.
1956 (madd*4): Rename from madd*3.
1957 (divsi3, modsi3, udivsi3, umodsi3): New.
1958 (divsi3_internal): New.
1959 (divdi3, moddi3, udivdi3, umoddi3): New.
1960 (divdi3_internal_lat, divdi3_internal_thr): New.
1961 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
1962 (recip_approx): New.
1964 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
1966 * print-rtl.c (debug_call_placeholder_verbose): New variable.
1967 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
1969 * integrate.c (copy_rtx_and_substitute): Don't share
1970 LEAF_REG_REMAPpable registers with the inlined function. Don't
1971 share the function value with calling sequences.
1973 2000-09-11 Jakub Jelinek <jakub@redhat.com>
1975 * c-decl.c (do_case): Fix a typo.
1977 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
1978 to a if the comparison is floating mode and not -ffast-math.
1979 * simplify-rtx.c (simplify_ternary_operation): Likewise.
1981 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1983 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
1984 gen_ic_invalidate_line.
1986 2000-09-11 Philip Blundell <pb@futuretv.com>
1988 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
1990 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
1992 * install.texi (LANGUAGES): Update to include new languages.
1995 2000-09-11 DJ Delorie <dj@redhat.com>
1997 * gcc.c (main): Don't warn about unused -B prefixes
1998 (unused_prefix_warnings): remove
2000 2000-09-11 Kazu Hirata <kazu@hxi.com>
2002 * final.c: Fix formatting.
2004 * integrate.c: Fix formatting.
2006 2000-09-11 Geoff Keating <geoffk@cygnus.com>
2008 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
2010 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
2012 * reload.c (regno_clobbered_p): Fix thinko in previous change.
2014 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2016 * gcc.1: Document 68hc11 specific options.
2018 2000-09-10 Geoff Keating <geoffk@cygnus.com>
2020 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
2021 (TARGET_LONG_DOUBLE_128): Define.
2022 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
2023 (LONG_DOUBLE_TYPE_SIZE): Redefine.
2024 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
2025 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
2026 of __LONG_DOUBLE_128__.
2027 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
2029 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
2030 (CPP_SYSV_DEFAULT_SPEC): Define.
2031 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
2032 (INIT_TARGET_OPTABS): Define.
2034 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
2035 (RS6000_UITRUNC): Likewise.
2036 (INIT_TARGET_OPTABS): New macro.
2037 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
2038 (trunc_defined): Delete.
2039 (output_prolog): Don't output .extern definitions for fp->int
2040 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
2041 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
2042 (trunc_defined): Delete.
2043 (RS6000_ITRUNC): Moved to aix.h.
2044 (RS6000_UITRUNC): Likewise.
2045 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
2046 only emit a libcall.
2047 (fixuns_truncdfsi2): Delete.
2048 (trunc_call): Delete.
2049 (trunc_call_rtl): Delete.
2051 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
2053 * varasm.c (make_decl_rtl): Restore leading star on
2054 DECL_ASSEMBLER_NAME set for decls with an asmspec.
2056 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
2058 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
2059 won't give a spurious error for '#pragma pack()'. Simplify
2060 control flow for readability. 'reset' action is not necessary.
2062 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
2064 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
2065 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
2066 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
2067 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
2069 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
2070 profile.c, sdbout.c, tradcif.y, tree.c:
2071 Include defaults.h if not already included.
2072 Don't define the above macros.
2074 * Makefile.in: Update dependencies.
2076 2000-09-10 Mark Mitchell <mark@codesourcery.com>
2078 * c-common.h (add_stmt): Change prototype.
2079 (RECHAIN_STMTS): New macro.
2080 (CASE_LABEL_DECL): Likewise.
2081 (genrtl_case_label): Change prototype.
2082 (c_expand_start_case): Remove prototype.
2083 (build_case_label): Change prototype.
2084 (decl_constant_value): Declare.
2085 * c-common.c (check_case_value): Handle C++'s extensions to C
2087 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
2089 * c-parse.in (stmt): Adjust handling of return statements and case
2091 * c-semantics.c (add_stmt): Return the new statement.
2092 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
2093 returned expression. Directly generate RTL, rather than calling
2095 (genrtl_switch_stmt): Don't call c_expand_start_case.
2096 (build_case_label): Take the LABEL_DECL as input, too.
2097 (genrtl_case_label): Just call add_case_node.
2098 (expand_stmt): Adjust calls to genrtl_return_stmt and
2100 * c-tree.h (c_expand_start_case): Declare.
2101 * c-typeck.c (decl_constant_value): Give it external linkage.
2102 (c_expand_return): Don't call expand_return or expand_null_return;
2103 use genrtl_return_stmt instead.
2104 * stmt.c (struct nesting): Remove num_ranges field.
2105 (add_case_node): Give it external linkage.
2106 (expand_start_case): Don't set num_ranges.
2107 (expand_start_case_dummy): Don't clear it.
2108 (pushcase): Rely on add_case_node to handle `default' labels.
2109 (add_case_node): Handle `default' labels.
2110 * tree.c (tree_int_cst_compare): New function.
2111 * tree.h (tree_int_cst_compare): Declare.
2112 (add_case_node): Likewise.
2114 2000-09-10 Richard Henderson <rth@cygnus.com>
2116 * c-parse.in: Revert last change.
2117 (init_reswords): Do not enter disabled keywords into the ridpointers
2118 table, modulo objc weirdness.
2119 (_yylex): Return the canonical spelling for a keyword.
2121 2000-09-10 Philip Blundell <philb@gnu.org>
2123 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
2124 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
2126 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
2128 * alias.c (find_base_term): Handle ADDRESSOF.
2129 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
2131 2000-09-10 Denis Chertykov <denisc@overta.ru>
2133 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
2134 outputting templates with many lines.
2136 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2138 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
2139 to decide whether 64-bit support must be generated.
2141 2000-09-10 Richard Henderson <rth@cygnus.com>
2143 * c-parse.in (asm patterns): Fix volatile check.
2145 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2147 * cppmacro.c (check_trad_stringification): New function.
2148 (save_expansion): If -Wtraditional, warn about stringification of
2151 2000-09-11 Michael Hayes <mhayes@cygnus.com>
2153 * loop.h (struct loop_mem_info): Move from loop.c
2154 (struct loop_info): Add fields store_mems, mems, mems_idx,
2155 mems_allocated, unknown_address_altered,
2156 unknown_constant_address_altered, num_mem_sets, and
2157 first_loop_store_insn.
2159 * loop.c (loop_store_mems): Replace with field in loop_info struct.
2160 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
2161 (unknown_address_altered, unknown_constant_address_altered): Likewise.
2162 (num_mem_sets): Likewise.
2163 (replace_loop_mems, replace_loop_regs): New.
2164 (struct loop_replace_args): New.
2165 (load_mems): Use replace_loop_mems.
2166 (try_copy_prop): Use replace_loop_regs.
2167 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
2169 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2171 * configure.in: Recognize m6811-elf and m6812-elf.
2172 * configure: Regenerate.
2174 2000-09-09 Geoff Keating <geoffk@cygnus.com>
2176 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
2179 2000-09-10 Michael Hayes <mhayes@cygnus.com>
2181 * loop.c (struct movables): New.
2182 (num_movables): Move into struct movables.
2183 (the_movables): Change type to struct movables.
2184 (ignore_some_movables): Change struct movable arg to struct movables.
2185 (force_movables, combine_movables, regs_match_p): Likewise.
2186 (rtx_equal_for_loop_p, move_movables): Likewise.
2187 (scan_loop): Change movables to be of type struct movables.
2188 Replace last_movable with field in movables structure.
2190 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
2192 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
2193 (init_pragma): Avoid warning if pfile happens to be unused.
2194 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
2195 define init_pragma to nothing. Always prototype
2196 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
2198 * c-lex.c (process_directive): Always call dispatch_pragma.
2199 Initialize entering_c_header to 0.
2201 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2203 * config/m68hc11/m68hc11.md: New file, machine description for
2205 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
2206 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
2207 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
2208 * config/m68hc11/m68hc11-protos.h: New file.
2209 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
2210 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
2211 * config/m68hc11/xm-m68hc11.h: New file, target defs.
2212 * config/m68hc11/larith.asm: New file, libgcc routines.
2214 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2216 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
2217 (FPBIT_FUNCS): Add _usi_to_sf.
2218 * config/fp-bit.c (usi_to_float): New function.
2219 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
2220 (usi_to_float): Add appropriate #define.
2222 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
2224 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
2226 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
2227 * i386.md (attr "type"): Add sse and mmx types.
2228 (attr "memory"): Handle them without a crash.
2229 (movsi_1, movdi_2): Allow MMX regs.
2230 (movdi splits): Don't split moves involving MMX regs.
2231 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
2232 (movv4sf_internal, movv4si_internal, movv8qi_internal,
2233 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
2234 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
2235 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
2236 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
2237 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
2238 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
2239 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
2240 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
2241 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
2242 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
2243 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
2244 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
2245 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
2246 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
2247 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
2248 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
2249 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
2250 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
2251 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
2252 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
2253 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
2254 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
2255 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
2256 mmx_clrdi): New patterns.
2258 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
2260 * arm.c: Don't include tm.h directly.
2262 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
2264 * recog.c (validate_replace_rtx_1): Fix confusion about equality
2265 testing; simplify subregs of constants and nested subregs.
2267 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
2269 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
2271 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
2273 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
2275 * rtl.texi (description of USE): Add note about possible pitfalls
2277 From Richard Henderson:
2278 * reload1.c (choose_reload_regs): Compute need_mode properly.
2280 2000-09-07 Richard Henderson <rth@cygnus.com>
2282 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
2283 (__modsi3, __umodsi3): Likewise.
2284 (__udivsi3): Likewise. Normalize the TFmode values.
2286 2000-09-07 Geoff Keating <geoffk@cygnus.com>
2288 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
2290 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
2293 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2295 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
2296 (cmpeqdi_t): Add output pattern.
2297 (cmpeqdi_t+1): Don't split when not optimizing.
2298 Restore proper splitting operation.
2300 2000-09-07 Richard Henderson <rth@cygnus.com>
2302 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
2303 do not call dispatch_pragma.
2305 2000-09-07 Jim Wilson <wilson@cygnus.com>
2307 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
2308 to CLASS_CANNOT_CHANGE_MODE.
2309 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
2310 mode classes are different.
2312 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
2314 * cpplib.h (struct cpp_options): Add user_label_prefix member,
2315 left out of commit which removed cppulp.c.
2317 2000-09-07 Richard Henderson <rth@cygnus.com>
2319 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
2320 after switch for CASE_DROPS_THROUGH.
2322 2000-09-07 Richard Henderson <rth@cygnus.com>
2324 * loop.c (strength_reduce): Call check_ext_dependant_givs.
2325 Properly extend the biv initial value for the giv.
2326 (record_biv): Zero ext_dependant.
2327 (record_giv): New argument ext_val. Update all callers.
2328 (general_induction_var): Likewise.
2329 (consec_sets_giv): Likewise.
2330 (simplify_giv_expr): Likewise. Fill in ext_val if we find
2331 a sign-extend, zero-extend, or truncate.
2332 (combine_givs_p): Make sure modes are compatible.
2333 (check_ext_dependant_givs): New.
2334 (extend_value_for_giv): New.
2335 * loop.h (struct induction): Add ext_dependant.
2336 * unroll.c (iteration_info): Extend the biv initial value for the giv.
2337 (find_splittable_givs): Likewise.
2338 (final_giv_value): Likewise.
2340 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
2342 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
2343 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
2344 definitions from cpplib.h.
2345 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
2347 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
2348 documentation for REGISTER_TARGET_PRAGMAS.
2350 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
2351 default-pragma callback to implement -Wunknown-pragmas if
2353 * c-parse.in: Move all includes to top of file.
2354 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
2356 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
2358 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
2360 * arm.h, arm-protos.h, arm.c,
2361 c4x.h, c4x-protos.h, c4x.c,
2362 h8300.h, h8300-protos.h, h8300.c,
2363 i370.h, i370-protos.h, i370.c,
2364 i960.h, i960-protos.h, i960.c,
2365 sh.h, sh-protos.h, sh.c,
2366 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
2367 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
2369 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
2370 multiple include guard.
2371 * i370.md (untyped_call): Use GEN_CALL.
2372 (umodsi3): Remove unused variable.
2373 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
2374 * v850.c (output_move_single, output_move_double): Constify
2376 (print_operand): Constify a char *.
2377 * v850.h (struct small_memory_info): Constify name member.
2379 2000-09-07 Kazu Hirata <kazu@hxi.com>
2381 * config/h8300.h: Fix comment typos.
2382 * config/h8300/h8300.md: Likewise.
2383 * config/h8300/lib1funcs.asm: Likewise.
2385 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
2387 * Makefile.in: Remove references to cppulp.{c,o}.
2388 * cppinit.c (initialize_builtins, cpp_start_read,
2389 cpp_handle_option): Update to use cpp_options structure.
2392 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
2394 * c-common.c (time_char_table): Allow %#b and %#h.
2396 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2398 * reorg.c (find_end_label): If the basic block reorder pass moves the
2399 return insn to some other place try to locate it again and put our
2400 end_of_function_label there.
2401 * reorg.c (relax_delay_slots): Check if find_end_label created a
2402 new label that invalidates the current optimazation.
2404 2000-09-07 Catherine Moore <clm@redhat.com>
2406 * unroll.c (unroll_loop): Check for unconditional jumps
2407 to loop continuation. Delete if n_iterations is 1.
2408 (ujump_to_loop_cont): New routine.
2410 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
2412 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
2414 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
2415 to handle multiword modes correctly. All callers and the declaration
2418 2000-09-06 Mark Mitchell <mark@codesourcery.com>
2420 * c-common.h (prep_stmt): Declare.
2421 (lang_expand_stmt): Likewise.
2422 * c-decl.c (lang_expand_stmt): Remove.
2423 * c-semantics.c (lang_expand_stmt): Define.
2424 (prep_stmt): New function.
2425 (expand_stmt): Handle common statement types here.
2427 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
2429 * configure.in (sh-*-linux*): Added.
2430 * configure: Rebuilt.
2431 * config/sh/t-linux: New file.
2432 * config/sh/sh.h (USERMODE_BIT): Define.
2433 (TARGET_USERMODE): Likewise.
2434 (TARGET_SWITCHES): New switches for the bits above.
2435 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
2436 * config/sh/linux.h: New file.
2437 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
2438 underscore on linux.
2439 (L_sdivsi3, L_udivsi3): Define for linux.
2440 (L_ic_invalidate): Define.
2441 * invoke.texi (SH Options): Document -musermode.
2443 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
2445 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
2446 CSE unless generating PIC.
2448 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
2451 2000-09-06 H.J. Lu (hjl@gnu.org)
2453 * Makefile.in (clean_s1): Depend on stage_b.
2454 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
2455 stage2. They are used for "make compare".
2457 2000-09-06 Mark Mitchell <mark@codesourcery.com>
2459 Move statement-tree facilities from C++ to C front-end.
2460 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
2461 (void_zero_node): New macro.
2462 (struct stmt_tree_s): New type.
2463 (stmt_tree): New typedef.
2464 (struct language_function): New type.
2465 (last_tree): New macro.
2466 (last_expr_type): Likewise.
2467 (walk_tree_fn): New typedef.
2468 (current_stmt_tree): New function.
2469 (begin_stmt_tree): Likewise.
2470 (add_stmt): Likewise.
2471 (finish_stmt_tree): Likewise.
2472 (statement_code_p): Likewise.
2473 (lang_statement_code_p): New variable.
2474 (walk_stmt_tree): New function.
2475 (STMT_IS_FULL_EXPR_P): New macro.
2476 * c-common.c (lang_statement_code_p): New variable.
2477 (c_common_nodes_and_builtins): Initialize void_zero_node.
2478 (statement_code_p): New function.
2479 (walk_stmt_tree): Likewise.
2480 * c-decl.c (language_function): Rename to ...
2481 (c_language_function): ... this. Include language_function.
2482 (push_c_function_context): Adjust accordingly.
2483 (pop_c_function_context): Likewise.
2484 (mark_c_function_context): Likewise.
2485 (current_stmt_tree): Define.
2486 * c-semantics.c (begin_stmt_tree): New function.
2487 (add_stmt): Likewise.
2488 (prune_unused_decls): Likewise.
2489 (finish_stmt_tree): Likewise.
2491 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2493 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
2495 2000-09-06 Kazu Hirata <kazu@hxi.com>
2497 * calls.c: Fix formatting.
2499 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
2501 * config/i386/i386.h (ADDRESS_COST): Fix typo.
2503 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2505 Integrated preprocessor.
2507 * Makefile.in: Remove all references to c-parse.gperf,
2508 c-gperf.h, and c-parse.h. Remove -d from yacc command line
2509 generating c-parse.c. Update dependencies.
2510 * c-parse.gperf, c-gperf.h: Delete.
2512 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
2513 yy_lim, or yy_get_token. Don't define get_directive_line if
2515 * c-common.h: Add multiple include guard. Define RID values
2516 for every keyword in C, C++, and Objective C. Put all the
2518 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
2519 * c-decl.c (c_decode_option): Handle -lang-objc here.
2520 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
2521 (grokdeclarator): Adjust for new RID scheme.
2522 (extract_interface_info): New stub.
2523 * c-lang.c: Don't declare yy_cur or parse_options.
2524 (lang_init_options): Call cpp_init. Don't call
2526 (lang_init): Don't call check_newline if USE_CPPLIB.
2528 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
2529 Elide lots of unnecessary code if USE_CPPLIB. Delete code
2530 rendered unnecessary by new architecture. Move routines not
2531 shared with C++ to c-parse.in. Maintain a local idea of the
2532 line number. Handle C++ as well as C.
2533 [USE_CPPLIB]: Declare and register callbacks for #ident and
2534 for entering/leaving files.
2535 (init_c_lex, c_lex): Are now the entry points to this file.
2536 (check_newline): Break out directive handling to
2538 (read_ucs, is_extended_char, utf8_extend_token): Moved here
2540 (readescape, parse_float): Overhaul.
2541 (lex_number, lex_string, lex_charconst): Break out of c_lex
2543 (get_fileinfo, update_header_times, dump_one_header,
2544 dump_time_statistics): New and/or moved here from C++.
2545 Support per-file data needed by C++ and per-header timing
2546 statistics (C++ only, at the moment).
2547 * c-lex.h: Update prototypes. Add multiple include guard.
2548 * c-tree.h (struct lang_identifier): Add rid_code field.
2549 (C_IS_RESERVED_WORD, C_RID_CODE): New.
2551 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
2552 reinit_parse_for_function and/or position_after_white_space.
2553 (save_filename, save_lineno): Look ahead before saving.
2554 (label -> identifier ':'): Save file and line before shifting ':'.
2555 (reservedwords): No need to call get_identifier.
2556 (init_parse, finish_parse, yyerror, yylex, yyprint,
2557 make_pointer_declarator): Are now here for C/ObjC.
2558 (rid_to_yy): Conversion table from RID constants to Yacc codes.
2560 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
2561 #pragma registry. Provide dummy implementation of that
2562 interface if !USE_CPPLIB.
2563 * c-pragma.h: Update to match.
2565 * flags.h: Add multiple include guard.
2566 (flag_detailed_statistics): Moved here from C++.
2567 * toplev.c: Define flag_detailed_statistics.
2569 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
2571 * timevar.def (TV_CPP, TV_LEX): New.
2572 * timevar.h: Add multiple include guard.
2574 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
2576 * objc/objc-act.c: Don't mention yy_cur or parse_options.
2577 Initialize cpplib properly. Force lineno to 0 after first
2578 call to check_newline. Don't handle -lang-objc here.
2579 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
2581 2000-09-06 David Edelsohn <edelsohn@gnu.org>
2583 * rs6000.md: Correct function unit definitions for cr_logical and
2585 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
2586 and use portable method for >=0 and floating point >=. Remove
2587 associated matchers.
2589 2000-09-06 Mark Mitchell <mark@codesourcery.com>
2591 * extend.texi: Mark named return value extension as deprecated.
2593 2000-09-06 Geoff Keating <geoffk@cygnus.com>
2595 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
2598 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
2600 * toplev.c (display_help): Fix thinko in documentation.
2602 * diagnostic.h (output_buffer::indent_skip): New fields.
2603 (output_indentation): New macro.
2605 * diagnostic.c (output_indent): New function.
2606 (output_set_prefix, clear_diagnostic_info): Use.
2607 (output_emit_prefix): Predict future indentation.
2609 2000-09-06 DJ Delorie <dj@redhat.com>
2611 * Makefile.in (stage_*): add more dependencies to ensure parallel
2612 builds build correctly
2614 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
2616 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
2617 not bootstrap-lean_f.
2619 2000-09-06 Andreas Schwab <schwab@suse.de>
2621 * mklibgcc.in: Emit rule for libgcc-stage-start.
2622 * Makefile.in (stage1-start, stage2-start, stage3-start,
2623 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
2625 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
2627 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
2628 (update_equiv_regs): Likewise, except for the mn10200 kludge.
2629 (combine_regs): Likewise.
2631 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
2632 * cse.c: Include "basic-block.h".
2633 (struct table_elt): New field REGCOST.
2634 (CHEAP_REG): Delete macro.
2635 (COST): Return 0 for REGs.
2636 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
2637 (notreg_cost): Return 0 for appropriate SUBREGs.
2638 (COSTS_N_INSNS): Return N * 2.
2639 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
2641 (CHEAPER): Use new function preferrable.
2642 (insert): Initialize REGCOST member.
2643 (find_best_addr): Use approx_reg_cost for estimation of register
2645 (cse_insn): Likewise.
2646 * loop.c (iv_add_mult_cost): New function.
2647 (add_cost, shift_cost, mult_cost): Delete variables.
2648 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
2649 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
2650 Make code that detects autoinc opportunities slightly less optimistic.
2651 (simplify_giv_expr): If expression contains other reg that is also a
2652 giv, only increment benefit if this is the only use of that reg.
2653 (consec_sets_giv): Take that change into account.
2654 (combine_givs): Slightly more verbose output.
2656 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
2657 not the cost of an equivalent shift.
2658 * sh-protos.h (addsubcosts): Declare.
2659 * sh.c (addsubcosts): New function.
2660 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
2661 (RTX_COSTS): Tweak. Use addsubcosts.
2662 (ADDRESS_COST): Return higher cost for reg+reg addressing.
2664 2000-09-06 Geoff Keating <geoffk@cygnus.com>
2666 * config/rs6000/rs6000.c (validate_condition_mode): New function.
2667 (branch_comparison_operator): Call validate_condition_mode to
2668 abort rather than returning 0.
2669 (branch_positive_comparison_operator): New function.
2670 (scc_comparison_operator): Call validate_condition_mode to abort
2671 rather than returning 0.
2672 (ccr_bit): Call validate_condition_mode. Update for
2674 (print_operand): Delete %C modifier. Update %E case
2675 to use EQ bit not SO bit.
2676 (rs6000_reverse_condition): New function.
2677 (rs6000_generate_compare): New function.
2678 (rs6000_emit_sCOND): New function.
2679 (rs6000_emit_cbranch): New function.
2680 (output_cbranch): The length of a long branch insn is
2681 now only 8 bytes. Add validate_condition_mode. Use
2682 rs6000_reverse_condition. Remove cror generation.
2684 * config/rs6000/rs6000.h: Update comments.
2685 (PREDICATE_CODES): Add new predicate. Update codes used
2686 by branch_comparison_operator and scc_comparison_operator.
2687 * config/rs6000/rs6000-protos.h: Add prototypes for
2688 new external functions.
2689 * config/rs6000/rs6000.md: Add new scheduling parameters
2690 for cr_logical instructions. Change length of branch
2692 (bCOND patterns): Call rs6000_emit_cbranch.
2693 (sCOND patterns): Call rs6000_emit_sCOND.
2694 (branch patterns): Change lengths to 4.
2695 (cr logical patterns): New.
2697 2000-09-06 Richard Henderson <rth@cygnus.com>
2699 * config/i386/i386.md (call_pop): Fix test for setting
2700 current_function_uses_pic_offset_table.
2701 (call, call_value_pop, call_value): Likewise.
2703 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2705 * timevar.c (timevar_add): Delete.
2706 (timevar_get): Also count time since the selected timer was
2707 last updated. Do not examine the timevar stack if the
2708 selected timer is standalone.
2710 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2712 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
2714 2000-09-05 Jason Merrill <jason@redhat.com>
2716 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
2717 for 'extern' arrays.
2719 2000-09-05 Richard Henderson <rth@cygnus.com>
2721 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
2722 Eliminate final copy from non-trapping case.
2723 (__divdf3, __divsf3): Likewise.
2725 2000-09-05 Richard Henderson <rth@cygnus.com>
2727 * config/ia64/ia64.md (mulhi3): Fix typo last change.
2728 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
2730 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
2732 * Makefile.in: Restructure bootstrap stages to allow clean
2733 restart after failure.
2735 2000-09-05 Richard Henderson <rth@cygnus.com>
2737 * config/ia64.md (movsi and movdi patterns): Allow moves from
2738 8-bit constants to AR registers.
2740 2000-09-05 Richard Henderson <rth@cygnus.com>
2742 * config/ia64/ia64.md (mulhi3): New.
2744 2000-09-05 Richard Henderson <rth@cygnus.com>
2746 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
2747 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
2748 Optimization Guide, minimum latency alternative.
2749 (__moddi3, __udivdi3, __umoddi3): Likewise.
2750 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
2752 2000-09-05 Bruce Korb <bkorb@gnu.org>
2754 * fixinc/fixincl.c (load_file): always read header files
2755 with sizes that are a multiple of the page size.
2756 & use libiberty's getpagesize for determining that.
2758 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
2760 * gcse.c (hash_string_1): Add prototype.
2761 * cse.c (canon_hash_string): Likewise.
2763 2000-09-04 Craig Newell <CraigN@ieee.org>
2765 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
2767 2000-09-04 Andreas Schwab <schwab@suse.de>
2769 * Makefile.in (STAGESTUFF): Remove libgcc.
2770 (stage1-start, stage2-start, stage3-start): Copy the contents of
2771 the libgcc directory explicitly.
2772 (mostlyclean): Clean libgcc.
2774 2000-09-04 Andrew Haley <aph@redhat.com>
2776 * dwarf2out.c: (stack_adjust_offset): New prototype.
2778 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
2780 * combine.c (make_extraction): Fix rtx_cost comparison to
2783 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
2785 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
2786 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
2787 Add '*' to insn pattern name.
2789 2000-09-04 Jakub Jelinek <jakub@redhat.com>
2791 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
2792 use posn - 1 to index into tokens array.
2793 (maybe_paste_with_next): Adjust caller.
2795 2000-09-03 Geoff Keating <geoffk@cygnus.com>
2797 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
2799 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
2800 (REGNO_REG_CLASS): Use symbolic register
2803 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
2805 * arm.c (final_prescan_insn): If the form of a jump insn isn't
2806 recognized, don't try to conditionally execute it.
2808 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
2810 * config/avr/avr.md ("*tablejump_lib"): New pattern.
2811 (call_value_insn): Right length claculation.
2812 (call_insn): Likewise.
2814 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
2816 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
2817 gas_output_limited_string, gas_output_ascii, output_movqi,
2818 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
2819 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
2820 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
2821 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
2822 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
2823 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
2824 Add "const" as needed to remove warnings.
2826 * config/avr/avr.c (avr_override_options, avr_init_once,
2827 function_prologue, function_epilogue, frame_pointer_required_p,
2828 class_likely_spilled_p, order_regs_for_local_alloc,
2829 avr_address_cost, avr_ret_register): Use K&R style arguments.
2830 (initial_elimination_offset, gas_output_limited_string):
2831 Remove ATTRIBUTE_UNUSED from the used arguments.
2832 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
2833 Use local variables src, dest, base to access operands[].
2834 Rename reg_dest to reg_src if that's what it is.
2835 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
2836 constants to LD_REGS if reg_was_0.
2837 (output_reload_insisf): Change arg 3 to insn length and set it.
2838 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
2839 access to 16-bit I/O register pairs.
2840 (avr_address_cost): Lower cost for the above case.
2841 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
2842 may be clobbered, also for LD_REGS.
2843 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
2846 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
2848 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
2849 macro to test_hard_reg_class function.
2850 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
2851 for loading immediate constants to LD_REGS.
2852 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
2855 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
2857 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
2858 * config/avr/libgcc.S: Lost part of the previous patch.
2860 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2862 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
2863 object before calling pthread_mutex_init.
2865 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
2867 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
2868 config/sh/crtn.asm: New files.
2869 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
2870 (crt1.o, crti.o, crtn.o): New targets.
2871 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
2873 * configure: Rebuilt.
2874 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2875 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
2876 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
2877 Undefine for config/elfos.h to redefine.
2878 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
2880 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
2882 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
2883 legitimize_pic_address, output_pic_addr_const): Declare.
2884 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
2885 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
2886 (TARGET_SWITCHES): New switch -mprefergot.
2887 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
2888 (PIC_OFFSET_TABLE_REGNUM): Define.
2889 (GOT_SYMBOL_TABLE): Likewise.
2890 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
2891 (ENCODE_SECTION_INFO): Define.
2892 (FINALIZE_PIC): New macros.
2893 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
2894 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
2895 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
2896 (prepare_move_operands): Call emit_pic_move or
2897 emit_pic_const_move if appropriate.
2898 (output_far_jump): For PIC, use braf and output long offset.
2899 (machine_dependent_reorg):
2900 (sh_expand_prologue): Save and initialize the PIC register.
2901 (sh_expand_epilogue): Restore it.
2902 (initial_elimination_offset): Account for it.
2903 (nonpic_symbol_mentioned_p): New function.
2904 (legitimize_pic_address): Likewise.
2905 (output_pic_addr_const): Likewise.
2906 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
2907 (call, call_value): Use them.
2908 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
2909 symPLT_label2reg): New expands.
2910 * invoke.texi (SH Options): Document -mprefergot.
2912 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
2914 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
2915 * gcse.c (hash_string_1): New function.
2916 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
2917 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
2918 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
2919 (canon_hash_string): New function.
2920 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
2921 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
2922 (fold_rtx): Use ASM_OPERANDS accessor macros.
2923 * emit-rtl.c (copy_insn_1): Likewise.
2924 * integrate.c (copy_rtx_and_substitute): Likewise.
2925 * stmt.c (expand_asm_operands): Likewise. Give an
2926 ASM_OPERANDS rtx the mode of the output reg being set from it.
2928 2000-09-01 Fred Fish <fnf@be.com>
2930 * fix-header.c (write_rbrac): Add putc and getc to list of
2931 functions to protect against prior definition as a macro.
2933 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
2935 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
2936 (c_size_type_node): Define.
2937 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
2938 * c-common.c (enum format_lengths, enum format_std_version,
2939 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
2940 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
2941 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
2942 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
2943 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
2944 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
2945 format_types): Define.
2946 (format_char_info, print_char_table, scan_char_table,
2947 time_char_table): Rearrange for new organization of information
2948 about format length modifiers and standard versions.
2949 (T_ST): Redefine to use c_size_type_node.
2950 (check_format_info): Obtain information about length modifiers and
2951 standard versions from tables. Adjust warning message wordings.
2952 Use the name from the user's program for `ll' and `hh' length
2953 modifiers in warning messages. Use more informative names for
2954 wanted types where available (for wchar_t, wint_t, size_t, signed
2955 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
2957 2000-09-01 Jim Wilson <wilson@cygnus.com>
2959 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
2960 * combine.c (distribute_notes): Handle REG_NORETURN.
2961 * rtl.c (reg_note_name): Add REG_NORETURN.
2962 * rtl.h (enum reg_note): Likewise.
2964 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
2966 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
2967 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
2968 (emit_predicate_relation_info): Handle conditional calls with
2970 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
2971 instead of ia64_file_start.
2972 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
2973 * config/ia64/ia64.md (safe_across_calls_all,
2974 save_across_calls_normal): New patterns.
2976 * loop.c (check_final_value): Check for biv use before checking for
2977 giv use. Check for both biv and giv uses. Always set last_giv_use
2978 if there is a giv use.
2980 2000-09-01 Richard Henderson <rth@cygnus.com>
2982 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
2983 (madddi3): Likewise.
2986 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2988 * expr.c (clear_storage): Don't use emit_move_insn unless
2989 either BLKmode or proper size.
2990 (store_constructor): Don't call clear_storage if REG of wrong size.
2992 * flow.c (init_propagate_block_info): Don't mark frame dead at end
2993 of function if returns wiht stack pointer depressed.
2995 2000-09-01 Andrew Haley <aph@redhat.com>
2997 * dwarf2out.c (stack_adjust_offset): New function.
2998 (dwarf2out_stack_adjust): Break out stack adjust logic into
2999 new stack_adjust_offset function. Look inside parallels and
3000 sequences for stack adjustments.
3002 2000-08-31 Jeff Law <law@cygnus.com>
3004 * arm.md: Use no_new_pseudos to determine when it is safe
3005 to create new pseudo registers.
3007 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
3008 when we can safely allocate new registers.
3010 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
3012 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
3013 so that CONCATs are not generated for ASMs.
3014 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
3015 not generating_concat_p.
3016 * function.c (pop_function_context_from): Reset
3017 generating_concat_p.
3018 (prepare_function_start): Likewise.
3019 * rtl.c (generating_concat_p): Define.
3020 * rtl.h (generating_concat_p): Declare.
3021 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
3023 2000-08-22 Philipp Thomas <pthomas@suse.de>
3024 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
3026 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
3029 2000-08-30 Greg McGary <greg@mcgary.org>
3031 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
3032 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
3033 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
3035 2000-08-30 Greg McGary <greg@mcgary.org>
3037 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
3038 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
3039 (TREE_INT_CST): New macro.
3040 * varasm.c (const_hash, compare_constant_1, record_constant_1):
3041 Use new macro TREE_INT_CST.
3043 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
3045 * contrib.texi: Add self.
3047 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
3049 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
3050 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
3053 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3055 * fixinc/gnu-regex.c: Don't define `const'.
3057 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3059 * expr.c (store_constructor): Allow variable bounds of array type.
3060 (expand_expr): Don't blow up if type is ERROR_MARK.
3061 * varasm.c (output_constructor): Don't access lower bound of array
3062 type unless need it if index is supplied (so it can be a variable
3063 if no index is supplied).
3064 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
3065 Other minor cleanups.
3067 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3069 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
3070 for compilations in stage 1 and subsequent stages, respectively.
3071 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
3072 * configure: Rebuilt.
3073 * x-vax, x-vax-gcc: Deleted.
3075 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
3077 * c-common.c (declare_function_name): Use func_id_node,
3078 function_id_node, and pretty_function_id_node. Do not make
3079 __func__ visible at file scope.
3080 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
3081 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
3082 (function_id_node, pretty_function_id_node, func_id_node): New
3084 * c-decl.c (init_decl_processing): Initialize function_id_node,
3085 pretty_function_id_node, and func_id_node.
3086 (c_make_fname_decl): Correct comment.
3088 * tree.h (struct tree_identifier): Constify pointer member.
3090 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
3091 * c-pragma.h (struct weak_syms): Constify name and value members.
3092 (add_weak): Constify arguments.
3094 * calls.c (special_function_p): Constify a char *.
3095 (expand_call): Remove variable which is initialized and then
3097 * dependence.c (struct def_use, struct induction, struct subscript):
3098 Constify 'variable' member.
3099 (get_low_bound, have_induction_variable): Constify char * argument.
3100 (find_induction_variable): Add braces to avoid dangling else.
3101 (classify_dependence): Constify char * arrays.
3102 * profile.c (output_func_start_profiler): Constify a char *.
3103 * stor-layout.c (finalize_record_size): Constify a char *.
3104 * tree.c (is_attribute_p): Constify a char *.
3105 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
3107 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
3108 for comprehensibility. Do not call get_identifier if we did
3109 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
3110 create temporary string constants, not ggc_alloc_string. No
3111 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
3112 char * to hold IDENTIFIER_POINTERs.
3114 2000-08-29 Richard Henderson <rth@cygnus.com>
3116 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
3119 2000-08-29 Richard Henderson <rth@cygnus.com>
3121 * reload.c (push_secondary_reload): Allow class == reload_class
3122 if we're using a reload_in/out pattern.
3124 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
3125 the half that does not conflict with the reload register.
3126 (reload_outti): Likewise.
3128 2000-08-29 Kazu Hirata <kazu@hxi.com>
3130 * reload.c: Fix formatting.
3132 * stmt.c: Fix formatting.
3134 * gcc.c: Fix formatting.
3136 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
3138 * flags.h (time_report, mem_report): New global flags.
3139 * toplev.c: Define time_report and mem_report.
3140 (f_options): Add -ftime-report and -fmem-report.
3141 (compile_file): Turn on time_report if quiet_flag is off.
3142 Call ggc_print_statistics at very end if mem_report is on.
3143 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
3145 * ggc-common.c (ggc_print_statistics): Rename to
3146 ggc_print_common_statistics; all callers changed. Scale
3147 quantities above 10K to kilobytes and above 10M to megabytes.
3148 * ggc-page.c (ggc_page_print_statistics): Rename to
3149 ggc_print_statistics. Report memory consumed by internal data
3150 structures for each allocation bucket. Scale quantities above
3151 10K to kilobytes and above 10M to megabytes.
3152 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
3153 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
3154 Define tally_leaves always.
3155 (ggc_print_statistics): New function.
3156 * ggc.h: Adjust for renamed functions.
3158 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
3160 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
3161 output_movsisf instead of which_alternative.
3163 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
3165 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
3167 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
3168 (avr_progmem_p): New prototype.
3169 (output_movsisf): Prototype declaration changed.
3170 (output_movqi): New prototype.
3171 (output_movhi): New prototype.
3172 (call_insn_operand): Likewise.
3173 (final_prescan_insn): Likewise.
3174 (avr_simplify_comparision_p): Likewise.
3175 (avr_normalize_condition): Likewise.
3176 (compare_eq_p): Likewise.
3177 (out_shift_with_cnt): Likewise.
3178 (const_int_pow2_p): Likewise.
3179 (output_reload_inhi): Prototype declaration changed.
3181 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
3182 (ldi_reg_rtx): New. rtx for r31.
3183 (avr_init_stack): Initialize as "__stack".
3184 (function_prologue): Use it.
3185 Replace all TARGET_ENHANCED with AVR_ENHANCED.
3186 (avr_mcu_name): Initialize as "avr2".
3187 (avr_enhanced_p, avr_mega_p): New variables.
3188 (mcu_types, avr_override_options): Handle all known MCU types.
3189 Also handle avr1 (only preprocess, assemble and link).
3190 (print_operand): Using of `%K' in output template removed.
3191 (out_movqi_r_mr): Optimized.
3192 (out_movhi_r_mr): Likewise.
3193 (output_movqi): New function.
3194 (output_movhi): Likewise.
3195 (out_movsi_r_mr): Optimized.
3196 (output_movsisf): Compute insn length for `adjust_insn_length'
3197 (out_movqi_mr_r): Optimized.
3198 (out_movhi_mr_r): Optimized.
3199 (adjust_insn_length): Use output_movsisf, output_movqi,
3200 output_movhi for insn length adjusting.
3201 (reg_unused_after): Use dead_or_set_p.
3202 (preferred_reload_class): Now havn't any restriction.
3203 (reg_was_0): New function.
3204 (io_address_p): Likewise.
3205 (const_int_pow2_p): Likewise.
3206 (output_reload_inhi): Likewise.
3207 (output_reload_insisf): Likewise.
3209 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
3210 (LIB_SPEC): Use -lc for all supported devices.
3211 (LIBGCC_SPEC): Use -lgcc for all supported devices.
3212 (AVR_MEGA): Define as avr_mega_p.
3213 (AVR_ENHANCED): New, define as avr_enhanced_p.
3214 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
3215 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
3216 (CRT_BINUTILS_SPECS): Handle all known MCU types.
3217 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
3218 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
3219 (ASM_SPEC): Pass -mmcu=... to the assembler.
3220 Change all -DAVR_* to -D__AVR_*__.
3221 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
3222 Rename library functions to start with two underscores.
3223 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
3225 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
3226 (SUPPORTS_WEAK): Likewise.
3227 (LDI_REG_REGNO): New. Register r31 will be used as temporary
3228 register for loading constants to r0-r14.
3230 * config/avr/avr.md: Replace all TARGET_ENHANCED with
3232 (*mov_r_sp): Removed. Handled by output_movhi.
3233 (*mov_sp_r): Likewise.
3234 (*mov_sp_r_no_interrupts): Likewise
3235 (*mov_sp_r_tiny): Likewise.
3236 (*movqi): Use output_movqi.
3237 (*reload_inqi): New.
3238 (*movhi): Use output_movhi.
3239 (*reload_inhi): New.
3240 (*negsi2): Optimized.
3241 (*negsf2): Likewise.
3242 Added peepholes (define_peephole2) for loading constants to r0-r14
3243 and for using `cpse' command.
3245 * config/avr/libgcc.S: Rename library functions to start with two
3247 Add support for enhanced core.
3248 (_moqhi3): Fix typo, now _modqi3.
3249 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
3250 (__prologue_saves__): Remove test for stack adjust by 0.
3251 (__tablejump__): New.
3253 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
3254 Add multilib support.
3256 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
3258 * loop.c (prescan_loop): Don't check unknown_address_altered
3259 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
3260 to loop_store_mems as necessary.
3261 (loop_invariant_p): Don't check unknown_address_altered
3262 or unknown_constant_address_altered.
3264 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3266 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
3268 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
3270 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
3271 print just the filename.
3272 * cpplex.c (_cpp_run_directive): Add additional argument, the
3273 name to give the synthetic buffer. This defaults to
3274 translated "<command line>".
3275 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
3277 (_cpp_define_builtin): New function.
3278 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
3279 * cpphash.h: Update prototypes.
3281 * tradcpp.c (main): Process -D and -U simultaneously, in the
3282 order they appeared on the command line.
3284 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3286 * c-decl.c (define_label): Call warning_with_file_and_line and
3287 error_with_file_and_line instead of plain warning or error.
3289 * c-parse.in (label): Use save_filename/save_lineno to ensure
3290 correct values for calls to define_label.
3292 2000-08-29 Mark Mitchell <mark@codesourcery.com>
3294 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
3296 * expr.c (expand_expr, case TARGET_EXPR): Don't call
3298 * tree.h (get_file_function_name): Remove two duplicate
3301 2000-08-28 Kazu Hirata <kazu@hxi.com>
3303 * tree.c: Fix formatting.
3305 * xcoffout.c: Fix formatting.
3307 2000-08-28 Jason Merrill <jason@redhat.com>
3309 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
3311 2000-08-28 Daniel Berlin <dberlin@redhat.com>
3313 * dwarf2out.c (dwarf2out_finish): Don't bother calling
3314 break_out_includes if it won't do anything.
3316 2000-08-28 Richard Henderson <rth@cygnus.com>
3318 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
3319 (find_reloads): Likewise.
3320 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
3321 (reload_inhi): Likewise.
3323 2000-08-28 Richard Henderson <rth@cygnus.com>
3325 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
3326 (call_insn_operand): Don't expect a surrounding mem.
3327 (constant_call_address_operand): Likewise.
3328 * config/i386/i386.h (PREDICATE_CODES): Update.
3329 * config/i386/i386.md (call patterns): Move the match_operand
3330 for the call destination inside the mem.
3332 2000-08-28 Richard Henderson <rth@cygnus.com>
3334 * local-alloc.c (requires_inout): Don't use reserved range for
3335 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
3336 * recog.c (asm_operand_ok): Likewise.
3337 (preprocess_constraints, constrain_operands): Likewise.
3338 * regclass.c (record_reg_classes): Likewise.
3339 * reload.c (find_reloads): Likewise.
3340 * reload1.c (maybe_fix_stack_asms): Likewise.
3341 (reload_cse_simplify_operands): Likewise.
3342 * stmt.c (expand_asm_operands): Likewise.
3344 * md.texi: Update constraints documentation.
3345 * tm.texi (EXTRA_CONSTRAINT): Update.
3347 2000-08-28 Daniel Berlin <dberlin@redhat.com>
3349 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
3350 (print_die): If we don't know the offset of the
3351 target die, try the symbol. Add a trailing newline.
3352 (reverse_all_dies): New fn.
3353 (dwarf2out_finish): Call it.
3354 (break_out_includes): Reorganize for clarity.
3355 (add_sibling_attributes): Don't call reverse_die_lists.
3356 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
3358 * flags.h: Add flag_eliminate_dwarf2_dups.
3359 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
3361 2000-08-28 Jason Merrill <jason@redhat.com>
3363 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
3364 * dwarf2out.c: #include "md5.h".
3365 (DIE_LABEL_PREFIX): New macro.
3366 (dw_val_struct): Add 'external' flag to val_die_ref.
3367 (add_AT_die_ref, AT_ref): Adjust.
3368 (AT_ref_external, set_AT_ref_external): New fns.
3369 (build_abbrev_table): Call set_AT_ref_external.
3370 (value_format): Call AT_ref_external.
3371 (die_struct): Add die_symbol field.
3372 (new_die): Clear it.
3373 (dwarf_tag_name): Handle BINCL/EINCL.
3374 (dwarf2out_start_source_file): Add BINCL DIE.
3375 (dwarf2out_end_source_file): Add EINCL DIE.
3376 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
3377 (loc_checksum, attr_checksum, die_checksum): New fns.
3378 (is_type_die, is_comdat_die, is_symbol_die): New fns.
3379 (compute_section_prefix, assign_symbol_names): New fns.
3380 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
3381 (output_die): Call output_die_symbol and AT_ref_external.
3382 (output_comdat_comp_unit): New fn, split out from...
3383 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
3385 (output_pubnames, output_aranges): Abort if we see entries from
3387 * toplev.h: Declare file_name_nondirectory.
3388 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
3389 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
3390 (debug_start_source_file): Call dwarf2out_start_source_file
3391 regardless of debug verbosity.
3392 (debug_end_source_file): Similarly.
3393 * tree.h: Declare clean_symbol_name.
3394 * tree.c (clean_symbol_name): Split out from...
3395 (get_file_function_name_long): ...here.
3397 * dwarf2out.c (new_loc_descr): Use calloc.
3398 (splice_child_die): Remove the die from the right parent.
3399 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
3401 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3403 * toplev.c (decode_g_option): Don't give warning for unknown -g
3404 option; return 0 instead.
3405 (main): If -g option is not recognized by front end or
3406 language-independent code, give warning.
3408 2000-08-28 Greg McGary <greg@mcgary.org>
3410 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
3411 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
3412 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
3414 2000-08-27 Greg McGary <greg@mcgary.org>
3416 * cpplex.c (parse_string): Don't look for backslash
3417 before first char in `namebuf'.
3418 * loop.c (strength_reduce): Skip NOTEs.
3420 2000-08-27 Jason Merrill <jason@redhat.com>
3422 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
3423 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
3424 TREE_ASM_WRITTEN, either.
3425 (finish_decl): Adjust.
3427 2000-08-28 Philipp Thomas <pthomas@suse.de>
3429 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
3430 they have been incorporated into the gettext CVS. Change the text to
3431 reflect the current status of NLS. Add instructions for accessing
3432 the gettext CVS and add the patch from Martin v. Loewis.
3434 2000-08-27 Geoff Keating <geoffk@cygnus.com>
3436 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
3437 by using gen_lowpart_common.
3438 (movdi_internal64+6): Likewise.
3440 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
3442 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
3445 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
3446 numbers to the ranges used by GDB.
3448 2000-08-25 Richard Henderson <rth@cygnus.com>
3450 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
3451 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
3452 (ia64_expand_prologue): Likewise.
3453 (ia64_setup_incoming_varargs): Set it. Properly skip the current
3454 argument for stdargs.
3456 2000-08-25 Jason Merrill <jason@redhat.com>
3458 * integrate.c (expand_inline_function): Pull out the original decl.
3460 2000-08-25 Jim Wilson <wilson@cygnus.com>
3462 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
3464 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
3466 2000-08-25 Greg McGary <greg@mcgary.org>
3468 * flow.c (dump_edge_info): Use ARRAY_SIZE.
3469 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
3471 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
3473 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
3475 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
3477 * i386.c (ix86_find_base_term): New.
3478 * i386-protos.h (ix86_find_base_term): Prototype.
3479 * i386.h (FIND_BASE_TERM): Define.
3480 * alias.c (find_base_term): Use it.
3481 * tm.texi (FIND_BASE_TERM): Document it.
3483 * alias.c (true_dependence, write_dependence_p): Unchanging
3484 memory can't conflict with non-unchanging memory.
3486 * alias.c (memrefs_conflict_p): A BLKmode reference
3487 to a symbol (or CONST_INT address) always conflicts
3488 with a reference to another symbol.
3490 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
3492 * c-common.c (time_char_table): Don't allow width and flags with
3495 2000-08-25 Jakub Jelinek <jakub@redhat.com>
3497 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
3498 way as LT and LTU when the second operand has 0 in low word.
3500 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3502 * basic-block.h (struct loop): Rename `exits' field to
3503 `exit_edges'. Add `entry_edges' and `num_entries' fields.
3505 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
3506 (flow_loop_entry_edges_find): Add.
3507 (flow_edge_list_print): Rename from flow_exits_print.
3508 (flow_loops_find): Call flow_loop_entry_edges_find.
3509 (flow_loop_dump): Dump entry_edges list.
3510 (flow_loops_free): Free entry_edges.
3512 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3514 * loop.c (loop_dump_aux, debug_loop): New functions.
3515 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
3517 * flow.c (flow_loops_dump): Add callback parameter.
3518 (flow_loop_dump): Add callback parameter and call it. Move
3519 loop note debugging code to loop_dump_aux.
3521 * basic-block.h (flow_loop_dump): Add callback parameter
3522 (flow_loops_dump): Likewise.
3524 * toplev.c (rest_of_compilation): Add NULL callback function pointer
3525 to call to flow_loops_dump.
3527 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3529 * loop.c (count_loop_regs_set): Replace start and end arguments
3530 with loop argument. All callers udated.
3532 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3534 * loop.c (constant_high_bytes): Delete.
3536 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3538 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
3539 and NOTE_INSN_LOOP_VTOP to...
3540 (find_and_verify_loops) ...here.
3542 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
3544 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
3545 (fini_dummy, init_dummy): Use it.
3547 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
3549 * cpplex.c (is_macro_disabled): Caller has already checked
3550 that we're not a preprocessed file.
3552 2000-08-24 Mark Mitchell <mark@codesourcery.com>
3554 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
3555 (c-iterate.o): Remove target.
3556 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
3557 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
3558 (finish_decl): Don't handle iterators.
3559 (grokdeclarator): Likewise.
3560 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
3561 * gcc/c-gperf.h: Regenerated.
3562 * gcc/c-iterate.c: Removed.
3563 * gcc/c-lex.c (init_lex): Don't handle iterators.
3564 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
3565 (compstmt_primary_start): Remove push_iterator_stack call.
3566 (stmt): Don't allow iterator statements. Replace iterator_expand
3567 with expand_expr_stmt.
3568 (all_iter_stmt): Remove.
3569 (all_iter_stmt_simple): Likewise.
3570 (all_iter_stmt_with_decl): Likewise.
3571 * gcc/c-tree.h (ITERATOR_P): Remove.
3572 (ITERATOR_BOUND_P): Likewise.
3573 (init_iterators): Remove declaration.
3574 (iterator_expand): Likewise.
3575 (iterator_for_loop_start): Likewise.
3576 (iterator_for_loop_end): Likewise.
3577 (iterator_for_loop_record): Likewise.
3578 (push_iterator_stack): Likewise.
3579 (pop_iterator_stack): Likewise.
3580 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
3581 (readonly_warning): Likewise.
3582 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
3584 2000-08-24 Jim Wilson <wilson@cygnus.com>
3586 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
3587 Copy type in a TYPE_DECL, just like pushdecl does.
3589 2000-08-24 Richard Henderson <rth@cygnus.com>
3591 * toplev.c (main): Enable flag_reorder_blocks at -O2.
3593 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
3595 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
3596 asked for one page, allocate GGC_QUIRE_SIZE of them and put
3597 the extras on the free list.
3598 (release_pages): Clean up.
3599 (ggc_set_mark): Don't adjust G.allocated here...
3600 (sweep_pages): ... do it here.
3602 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
3604 * cppfiles.c (read_include_file): Rearrange initializations.
3606 2000-08-24 Richard Henderson <rth@cygnus.com>
3608 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
3610 * config/ia64/ia64-protos.h: Update.
3611 * config/ia64/ia64.c (gr_register_operand): New.
3612 (fr_register_operand, grfr_register_operand): New.
3613 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
3614 (grfr_reg_or_8bit_operand): New.
3615 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
3616 use gr_register_operand.
3617 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
3618 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
3619 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
3620 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
3621 (fr_reg_or_fp01_operand): Likewise.
3622 (not_postinc_memory_operand): New.
3623 (ia64_split_timode): Remove unused variables.
3624 (rtx_needs_barrier): Check arguments to cmpxchg.
3625 (builtin_description): Remove.
3626 (bdesc_2argsi, bdesc_2argdi): Remove.
3627 (ia64_init_builtins): Declare all builtins directly.
3628 (ia64_expand_fetch_and_op): Rewrite to be called from
3629 ia64_expand_builtin directly. Use expand_binop and co.
3630 (ia64_expand_op_and_fetch): Likewise.
3631 (ia64_expand_compare_and_swap): Likewise.
3632 (ia64_expand_binop_builtin): Remove.
3633 (ia64_expand_lock_test_and_set): New.
3634 (ia64_expand_lock_release): New.
3635 (ia64_expand_builtin): Use them.
3636 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
3637 (EXTRA_CONSTRAINT): Use it.
3638 (PREDICATE_CODES): Update.
3639 * config/ia64/ia64.md (*): Use gr_register_operand and co.
3640 (mf): Indicate that we set memory as well as use it.
3641 (fetchadd_acq_si): Show memory being modified as well.
3642 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
3643 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
3644 (lock_test_and_set_si, lock_test_and_set_di): Remove.
3645 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
3646 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
3647 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
3648 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
3649 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
3650 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
3651 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
3652 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
3653 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
3654 return type. Pretty print definitions.
3656 2000-08-24 Jim Wilson <wilson@cygnus.com>
3658 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
3659 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
3661 2000-08-24 Jason Merrill <jason@redhat.com>
3663 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
3664 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
3665 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
3666 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
3668 2000-08-24 Greg McGary <greg@mcgary.org>
3670 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
3671 and extendtab within their proper array boundaries.
3672 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
3673 for the entire array.
3675 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
3676 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
3677 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
3678 * config/fr30/fr30.c (fr30_print_operand): Likewise.
3679 * config/i386/dgux.c (output_options): Likewise.
3680 * config/i386/dgux.h (ASM_FILE_START): Likewise.
3681 * config/m88k/m88k.c (output_options): Likewise.
3682 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
3683 * config/mcore/mcore.c (mcore_output_inline_const_forced,
3684 layout_mcore_frame, handle_structs_in_regs): Likewise.
3685 * config/mips/mips.c (output_block_move): Likewise.
3686 * config/rs6000/rs6000.c (rs6000_override_options,
3687 rs6000_file_start): Likewise.
3688 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
3689 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
3690 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
3691 * builtins.c (expand_builtin_setjmp): Likewise.
3692 * expr.c (safe_from_p): Likewise.
3693 * flow.c (life_analysis): Likewise.
3694 * fold-const.c (size_int_type_wide): Likewise.
3695 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
3696 * genattrtab.c (make_length_attrs): Likewise.
3697 * genopinit.c (gen_insn): Likewise.
3698 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
3699 * global.c (global_alloc): Likewise.
3700 * local-alloc.c (find_free_reg): Likewise.
3701 * mips-tdump.c (print_symbol): Likewise.
3702 * mips-tfile.c (parse_def, parse_input): Likewise.
3703 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
3704 * stmt.c (expand_nl_goto_receiver): Likewise.
3705 * stor-layout.c (set_sizetype): Likewise.
3706 * varasm.c (decode_reg_name): Likewise.
3707 * toplev.c (decode_f_option, decode_W_option,
3708 set_target_switch, print_switch_values): Likewise.
3709 (NUM_ELEM): Remove macro.
3710 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
3712 2000-08-24 Greg McGary <greg@mcgary.org>
3714 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
3715 (MAIN_NAME_P, main_identifier_node): New macros.
3716 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
3717 * c-decl.c (start_decl, grokdeclarator, start_function,
3718 store_parm_decls, finish_function): Use MAIN_NAME_P.
3719 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
3720 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
3721 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
3722 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
3724 2000-08-24 Greg McGary <greg@mcgary.org>
3726 * cppfiles.c (actual_directory): Don't write beyond `dir'
3727 when it contains "".
3728 * real.c (asctoeg): Stay within bounds of etens[][].
3730 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3732 * dependence.c (dependence_string, direction_string,
3733 dump_one_node, dump_node_dependence): Hide unused identifiers.
3734 (get_low_bound, normalize_coefficients): Match definition to
3736 (get_one_coefficient): Initialize variables `value0_is_idx' and
3738 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
3739 (ziv_test): Delete variable `idx', use parameter `sub' instead.
3740 (direction_merge): Avoid automatic aggregate initialization.
3741 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
3742 Initialize variables `dest_idx' and `src_idx'.
3743 (end_dependence_analysis): Avoid C89 style function definition.
3745 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
3747 * c-common.c (time_char_table): Don't allow width with %F.
3748 (check_format_info): Don't allow "Z" length with scanf.
3750 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
3752 * diagnostic.c (finish_diagnostic): Define.
3753 (output_do_printf): Use wrap_text instead of output_add_string.
3754 (default_print_error_function): Avoid embedded '\n'.
3756 * diagnostic.h (flush_diagnostic_buffer): Declare.
3758 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
3760 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
3762 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
3764 * Makefile.in (GCC_PASSES): Add specs.
3766 2000-08-23 Jim Wilson <wilson@cygnus.com>
3768 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
3769 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
3770 EHANDLER nor UHANDLER bit is set.
3771 (__get_except_table): Likewise.
3773 2000-08-23 Nick Clifton <nickc@redhat.com>
3775 * config/arm/lib1funcs.asm: Replace upper case condition codes
3776 with lower case versions.
3778 * config/arm/arm.h (STRUCT_VALUE): Define.
3779 (STRUCT_VALUE_REGNUM): Delete.
3781 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
3783 * cpphash.h (IN_I): New flag for directive table.
3784 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
3786 (_cpp_check_directive): If -fpreprocessed, execute directives
3787 marked with IN_I. Issue no warnings in this case.
3788 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
3790 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
3792 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
3794 (check_format_info): Support printf 'I' flag; warn about it with
3797 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
3799 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
3800 barrier can't be ignored by the alias analysis code.
3802 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
3804 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
3805 works inside fixincl.
3807 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
3809 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
3810 simplify_relational_operation() unless both operands are of
3812 * cse.c (fold_rtx): Likewise.
3814 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
3816 * rtlanal.c (rtx_unstable_p): The pic register is stable
3817 (within one function) and the actual rtx should be used
3818 when checking the registers.
3819 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
3821 * alias.c (true_dependence, write_dependence_p): Fix
3822 bug in previous patch.
3824 * i386.c (ix86_GOT_alias_set): New.
3825 (legitimize_pic_address): Use it.
3827 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
3828 only stable if its address is stable.
3829 (rtx_varies_p): An unchanging MEM can't vary if
3830 its address doesn't vary.
3832 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3834 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
3836 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3838 * vax.h (ASM_SPEC): Pass `-J' to assembler.
3839 * x-vax-gcc: New file for bootstrapping with gcc.
3840 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
3841 * configure.in: Use x-vax-gcc with gcc.
3842 * configure: Rebuilt.
3844 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3846 * toplev.c (rest_of_compilation): Rebuild label notes after
3847 post-reload splitting pass if new labels have been created.
3849 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
3851 * diagnostic.h (output_buffer_state): New macro.
3852 * diagnostic.c (diagnostic_for_decl, sorry,
3853 default_print_error_function, output_do_verbatim,
3854 report_diagnostic, report_problematic_module): Use it.
3856 (output_format): Use wrap_text instead of maybe_wrap_text.
3858 2000-08-22 Nick Clifton <nickc@redhat.com>
3860 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
3861 Common code for ARM divide and modulus functions.
3862 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
3864 (FUNC_END): New macro: Common code at the end of the division and
3866 (THUMB_FUNCTION_START): New macro: Common code at the start of
3868 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
3870 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
3872 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
3874 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
3875 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
3878 2000-08-22 Nick Clifton <nickc@redhat.com>
3880 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
3881 restorative additions, test for bottom bits of IP being set,
3882 rather than relying upon the RORs not matching.
3885 2000-08-22 David Edelsohn <edelsohn@gnu.org>
3887 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
3888 text_section() as appropriate instead of emitting text csect
3890 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
3891 (UNIQUE_SECTION): Define macro.
3892 (ASM_OUTPUT_SECTION_NAME): Define macro.
3893 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
3894 on AIX if debugging and -fdata-sections always.
3896 2000-08-22 Steven King <sxking@uswest.net>
3898 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
3900 (LDBL_MAX): Same here.
3902 2000-08-22 Richard Henderson <rth@cygnus.com>
3904 * flow.c (tidy_fallthru_edge): Update b->end properly.
3906 2000-08-22 Stan Cox <scox@redhat.com>
3908 * Makefile.in (OBJS): Add dependence.o.
3909 * dependence.c: New file.
3911 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
3913 * calls.c (check_sibcall_argument_overlap_1): Adjust for
3915 (check_sibcall_argument_overlap): Likewise.
3917 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
3919 * invoke.texi (SH Options): Document -m4-nofpu,
3920 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
3921 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
3923 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
3925 * c-common.c (check_format_info): Give the 'some locales' warning
3926 for strftime %Ey rather than the unconditional 'only last 2 digits
3929 2000-08-22 Richard Henderson <rth@cygnus.com>
3931 * alias.c (init_alias_analysis): Do not register
3932 struct_value_incoming_rtx or static_chain_rtx as pointing
3935 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
3937 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
3939 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
3941 * diagnostic.h (report_problematic_module): Declare.
3942 * diagnostic.c (report_problematic_module): New function.
3943 (report_error_function): Tweak.
3945 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3947 * stmt.c (expand_goto_internal, fixup_gotos): Only check
3948 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
3950 2000-08-21 Richard Henderson <rth@cygnus.com>
3952 * flow.c (calculate_global_regs_live): Mark frame pointer live
3953 everywhere before reload.
3955 2000-08-21 Jim Wilson <wilson@cygnus.com>
3957 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
3958 INTEL_EXTENDED_IEEE_FORMAT.
3959 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
3960 clear last two bytes of output FP value.
3962 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
3964 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
3966 2000-08-21 Jakub Jelinek <jakub@redhat.com>
3968 * unroll.c (loop_find_equiv_value): If ret is modified between
3969 insn and loop_start, ret might not be equivalent to reg.
3971 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3973 * c-common.c (init_dollar_format_checking,
3974 maybe_read_dollar_number, finish_dollar_format_checking): New
3976 (dollar_arguments_used, dollar_arguments_count,
3977 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
3979 (check_format_info): Support $ formats for scanf and printf width
3980 and precision. Always increment format_chars to advance past the
3981 '*' of precision, not just when the format parameters are
3984 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3986 * mips.c (block_move_loop, expand_block_move,
3987 function_arg_partial_nregs, save_restore_insns, function_prologue,
3988 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
3990 (function_arg_advance, function_arg): Match argument to format
3993 2000-08-21 Nix <nix@esperi.demon.co.uk>
3995 * gcc.c (do_spec_1): Implement %j spec flag.
3996 Remove dead comment.
3998 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
3999 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
4000 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
4001 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
4003 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
4004 writable) instead of hardcoded value.
4006 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
4008 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
4011 * gcc.c (cc1_options): Do not process -o or run the assembler if
4013 * objc/lang-spec.h: Likewise.
4015 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
4017 * fixinc/fixincl.c (fix_with_system): Pipe the output of
4018 "external" fixes through `cat', to avoid truncating the input
4019 file by redirection.
4021 2000-08-21 Jakub Jelinek <jakub@redhat.com>
4023 * config/i386/i386.md (lea_general_1): Copy insn condition to split
4025 (lea_general_2, lea_general_3): Likewise.
4027 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4029 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
4030 warnings to user code.
4032 * c-lex.c (readescape, yylex): Likewise.
4034 * c-typeck.c (store_init_value, process_init_element): Likewise
4035 (c_expand_start_case): Format.
4037 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
4039 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
4041 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
4042 and linker_endian_spec to endian_spec.
4043 (ENDIAN_SPEC): Add %{EB} and %{EL}.
4044 (LINK_SPEC): Remove %{EB} and %{EL}.
4045 (ASM_SPEC): Likewise. Use %(endian_spec).
4047 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
4049 * c-tree.h (flag_hosted): Move declaration from here...
4050 * c-common.h (flag_hosted): ... to here.
4051 (flag_noniso_default_format_attributes): New declaration.
4052 * c-decl.c (flag_noniso_default_format_attributes): New variable.
4053 (c_decode_option): Set it appropriately for options choosing
4054 language standard variant.
4055 * c-common.c (init_function_format_info): Only provide default
4056 format attributes if flag_hosted. Only provide the gettext
4057 formats if flag_noniso_default_format_attributes. Update
4059 (check_format_info): Disable treatment of %a as a scanf flag in
4062 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
4064 * c-common.c (scan_char_table): Add 'w' to flags for all formats
4066 (check_format_info): Set 'wide' for scanf format widths. Warn for
4067 a zero scanf width. Make the check for writing into a constant
4068 object at the first level of indirection; at later levels, warn if
4069 any type qualifiers are encountered.
4071 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
4073 * reload.c (reload_inner_reg_of_subreg): New function broken out of
4075 (push_reload): Use reload_inner_reg_of_subreg.
4076 (combine_reloads): Do not combine reloads if the input reload
4077 is a SUBREG in which the inner part will need reloading.
4079 * global.c (global_alloc): Avoid passing dumpfile argument to
4081 * toplev.c (rest_of_compilation): Likewise.
4082 * reload.h (reload): Remove dumpfile argument. Callers changed.
4083 (debug_reload, debug_reload_to_stream): Move prototypes here.
4084 * rtl.h (reload): Remove dumpfile argument.
4085 * reload.c (debug_reload): Remove prototype.
4086 (debug_reload_to_stream): Likewise.
4087 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
4090 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4092 * diagnostic.c (context_as_prefix): Export.
4093 (need_error_newline): Remove.
4094 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
4095 (error_module_changed, record_last_error_module,
4096 error_function_changed, record_last_error_function): New functions.
4097 (initialize_diagnostics): Default intialize
4098 lang_diagnostic_starter, lang_diagnostic_finalizer.
4099 (init_output_buffer): Tweak.
4100 (file_name_as_prefix): New function.
4101 (announce_function, default_print_error_function,
4102 report_error_function, set_diagnostic_context): Tweak.
4104 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
4106 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
4107 condition expression.
4109 2000-08-20 Richard Henderson <rth@cygnus.com>
4111 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
4113 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
4115 * cppinit.c (cpp_init): Set global flag when called.
4116 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
4118 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
4120 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
4121 before `process_directive' so that newlines won't be missed
4123 (cpp_printf): Increment `print->lineno' when newline is emitted.
4125 * cppmain.c (cb_ident): Likewise.
4126 (cb_define): Likewise.
4127 (cb_undef): Likewise.
4128 (cb_include): Likewise.
4129 (cb_def_pragma): Likewise.
4130 (dump_macros_helper): Likewise.
4132 2000-08-20 Richard Henderson <rth@cygnus.com>
4134 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
4135 assigned before a loop.
4137 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
4138 (ashrsi3, lshrsi3): Likewise.
4140 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
4142 * c-lang.c: #include diagnostic.h
4143 (c_tree_printer): New function.
4144 (lang_init): Initialize lang_printer.
4146 * Makefile.in (c-lang.o): Depends on diagnostic.h
4148 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
4150 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
4152 * diagnostic.c (default_diagnostic_starter,
4153 default_diagnostic_finalizer): New functions.
4154 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
4155 (pedwarn, pedwarn_with_file_and_line, error,
4156 error_with_file_and_line, fatal, warning,
4157 warning_with_file_and_line): Adjust call to report_diagnostic.
4158 (report_diagnostic): Rework.
4159 (set_diagnostic_context): New function.
4161 * diagnostic.h (struct diagnostic_context): New data structure.
4162 (diagnostic_message, diagnostic_argument_list,
4163 diagnostic_file_location, diagnostic_line_location,
4164 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
4165 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
4166 (set_diagnostic_context): Declare.
4167 (report_diagnostic): Change prototype.
4169 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
4171 * fix-header.c (main): Initialize cpplib.
4173 2000-08-19 Michael Meissner <meissner@redhat.com>
4175 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
4176 instructions in it before checking for indirect jumps.
4178 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
4179 in a indirect jump as a potential for conditional execution.
4181 * d30v.h (d30v_init_expanders): Don't declare here.
4182 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
4185 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
4187 * cpp.texi: Add @section for assertions.
4189 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
4191 * loop.c (scan_loop): Use CONST_CALL_P instead of
4192 checking for REG_LIBCALL / REG_RETVAL.
4194 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
4196 * reload1.c (reload_as_needed): Accept dumpfile argument,
4197 pass it to emit_reload_insns.
4198 (emit_reload_insns): Add new dumpfile argument. If non-null
4199 then dump the reloads for each insn into the dumpfile.
4200 (reload): Pass dumpfile to reload_as_needed.
4202 * invoke.texi: Clean up linux-gnu vs linux comments.
4204 2000-08-19 Richard Henderson <rth@cygnus.com>
4206 * config/ia64/ia64.c (reg_or_5bit_operand): New.
4207 (ia64_depz_field_mask): New.
4208 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
4209 (PREDICATE_CODES): Update.
4210 * config/ia64/ia64.md: Update commentary.
4211 (depz_internal): New.
4212 (ashlsi3): Implement directly.
4213 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
4214 (ashldi3): Use shladd.
4215 * config/ia64/ia64-protos.h: Update.
4217 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
4219 * toplev.c (independent_decode_option): Always process -g.
4220 Remove third argument, now unused. Adjust caller to match.
4222 2000-08-18 Richard Henderson <rth@cygnus.com>
4224 * combine.c (make_compound_operation): Break after creating
4227 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
4229 * cpplib.c (cpp_register_pragma_space): Just return if the
4230 namespace is already registered.
4232 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
4234 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
4235 constant amount. Do not generate ROTL instruction.
4237 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
4239 * config/sh/elf.h: Do not include sh/sh.h.
4240 * config/sh/rtems.h: Likewise.
4241 * config/sh/rtemself.h: Do not include sh/elf.h.
4242 * configure.in: Get them included with `tm_file's.
4243 * configure: Rebuilt.
4245 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
4246 * config/sh/sh.c (fpscr_set_from_mem): Use them.
4248 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4250 * stor-layout.c (compute_record_type): Don't use mode of single
4251 field as mode of record if not integer mode of same type.
4253 * regmove.c (perhaps_ends_bb_p): New function.
4254 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
4255 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
4256 (fixup_match_1): Likewise.
4257 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
4258 avoid signed/unsigned warnings.
4260 * function.c (fixup_var_refs_1, case MEM): Update CODE after
4263 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
4265 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
4266 (_cpp_trigraph_map): Declaration moved from cpplex.c
4268 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
4269 instead of 256. Use consistent test for designated initializers.
4270 (cpp_init): Initialize trigraph_map.
4271 (initialize_standard_includes, parse_option): Use memcmp
4274 * cpplex.c (init_trigraph_map): Remove.
4275 (trigraph_ok, trigraph_replace, lex_line): Refer to
4278 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
4279 (do_unassert): Remove unused "next" local.
4281 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
4283 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
4285 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
4288 2000-08-17 Richard Henderson <rth@cygnus.com>
4290 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
4291 the first insn in a sequence.
4293 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
4295 * alias.c (true_dependence, write_dependence_p): A read
4296 involving a label_ref or the constant pool doesn't create
4299 * rtl.h (unchanging): Improve documentation.
4301 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
4303 * cse.c (insert_regs): Remove unused `regno'.
4305 2000-08-17 Neil Booth <NeilB@earthling.net>
4307 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
4308 remove_dup_dirs. If qtail == brack, remove brack not
4310 (remove_dup_dir, remove_dup_dirs): New functions.
4312 2000-08-17 Neil Booth <NeilB@earthling.net>
4314 * cppinit.c (cpp_cleanup): Free include dir chains.
4315 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
4316 (do_unassert): Free the assert with _cpp_free_definition.
4317 * cppmacro.c (_cpp_free_definition): Free memory allocated for
4318 assertions. Make the node a T_VOID node.
4320 2000-08-17 Neil Booth <NeilB@earthling.net>
4322 * cppinit.c (path_include, append_include_chain):
4323 Remove 2nd parameter (struct cpp_pending *).
4324 (path_include, initialize_standard_includes, cpp_handle_option):
4325 Update callers appropriately.
4326 (cpp_handle_option): Use pend.
4328 2000-08-17 Neil Booth <NeilB@earthling.net>
4330 * cppinit.c (sort_options): Remove, put functionality in
4333 (initialize_builtins): Free memory.
4334 (cpp_start_read): Move init_IStable to cpp_init.
4336 * cpplib.h (cpp_init): New prototype.
4337 * cppmain.c (main): Call cpp_init.
4339 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
4341 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
4342 (rtx_unstable_p, rtx_varies_p): Process vectors.
4344 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
4346 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
4347 references to GLOBAL symbols. Use LOCAL where appropriate.
4349 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4351 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
4352 use t-aix41 when host == target.
4354 2000-08-16 Richard Henderson <rth@cygnus.com>
4356 * reload.c (push_secondary_reload): Revert last change.
4357 If we use a reload_in/out pattern, make the when the same
4358 as the primary reload.
4359 (find_reloads): Likewise.
4361 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
4363 * configure.in (libstdcxx-v3): Fix test.
4364 * configure: Regenerate.
4366 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4368 * calls.c (calls_function_1, expand_call): Only test
4369 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
4370 * function.c (thread_prologue_and_epilogue_insns): Likewise.
4372 2000-08-16 Richard Henderson <rth@cygnus.com>
4374 * combine.c (simplify_shift_const): Revert previous two
4375 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
4376 before the main loop.
4378 2000-08-15 Richard Henderson <rth@cygnus.com>
4380 * combine.c (simplify_shift_const): Bound shift count when
4383 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4385 * calls.c (ECF_SP_DEPRESSED): New macro.
4386 (calls_function_1): Treat calling sp-depressed function as alloca.
4387 (emit_call_1): Don't adjust SP if calling sp-depressed function.
4388 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
4389 If sp-depressed, ensure block saves and restores SP.
4390 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
4392 * function.c (keep_stack_depressed): New function.
4393 (thread_prologue_and_epilogue_insns): Call it.
4394 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
4395 to print DECL_OFFSET_ALIGN.
4396 Print no-force-blk and transparent-union flags properly.
4397 * stmt.c (expand_goto_internal): Don't restore stack if last block
4398 and function returns with sp depressed.
4399 (fixup_gotos): Likewise.
4400 (save_stack_pointer): New function, from code in expand_decl.
4401 (expand_decl): Call new function.
4402 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
4403 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
4404 (save_stack_pointer): New declaration.
4406 * diagnostic.c (fatal_function): New variable.
4407 (set_fatal_function): New function.
4409 * diagnostic.h (set_fatal_function): New declaration.
4411 2000-08-15 William Cohen <wcohen@redhat.com>
4413 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
4414 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
4415 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
4417 2000-08-15 Richard Henderson <rth@cygnus.com>
4419 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
4421 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4423 * arm.c (arm_function_ok_for_sibcall): New function.
4424 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
4425 * arm.md (call expanders): Don't check here for calls that can't
4428 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4430 * arm.md (splits generating cond_exec): Disable.
4432 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4434 * arm/linux-elf.h (text_section): Delete declaration.
4436 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4438 ARM support for unordered FP operations.
4439 * arm-protos.h (arm_comparison_operator): Declare.
4440 * arm.c (arm_comparison_operator): New function.
4441 (arm_select_cc_mode): Add unordered comparison codes.
4442 (get_arm_condition_code): Likewise.
4443 (arm_final_prescan_insn): Can't handle unordered jumps that can't
4444 be done in one insn.
4445 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
4446 * arm.md (all uses of comparison_operator): Replace with
4447 arm_comparison_operator.
4448 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
4450 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
4453 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4455 * gthr-posix.h: Conditionally include <sched.h>; include
4456 <config.h> from libobjc/.
4458 2000-08-14 Richard Henderson <rth@cygnus.com>
4460 * config/i386/i386.c (legitimize_pic_address): Use Pmode
4463 2000-08-14 Richard Henderson <rth@cygnus.com>
4465 * configure.in (ia64-*): Set float_format for i386 long double.
4467 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
4468 as we would for i386 XFmode.
4469 (PUT_REAL): Likewise.
4470 (endian, ereal_atof, real_value_truncate): Likewise.
4471 (ereal_isneg, toe64, etens, make_nan): Likewise.
4472 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
4474 * config/ia64/ia64-protos.h: Update.
4475 * config/ia64/ia64.c (general_tfmode_operand): New.
4476 (destination_tfmode_operand): New.
4477 (tfreg_or_fp01_operand): New.
4478 (ia64_split_timode): New.
4479 (spill_tfmode_operand): New.
4480 (ia64_expand_prologue): Use TFmode not XFmode.
4481 (ia64_expand_epilogue): Likewise.
4482 (ia64_function_arg): Likewise.
4483 (ia64_function_arg_advance): Likewise.
4484 (ia64_return_in_memory): Likewise.
4485 (ia64_function_value): Likewise.
4486 (ia64_print_operand): Likewise.
4487 (ia64_register_move_cost): Set GR<->FR to 5.
4488 (ia64_secondary_reload_class): Get GR for TImode memory op.
4489 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
4490 (ROUND_TYPE_ALIGN): Remove.
4491 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
4492 (INTEL_EXTENDED_IEEE_FORMAT): Define.
4493 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
4494 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
4495 (MODES_TIEABLE_P): Use TFmode, not XFmode.
4496 (CLASS_MAX_NREGS): Likewise.
4497 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
4498 (PREDICATE_CODES): Update.
4499 * config/ia64/ia64.md (movti): New.
4500 (movti_internal): Use a clobber for memory alternatives.
4501 (reload_inti, reload_outti): New.
4502 (movsfcc_astep): Predicate properly.
4503 (movdfcc_astep): Likewise.
4506 (extendsftf2, extenddftf2): New.
4507 (trunctfsf2, trunctfdf2): New.
4508 (floatditf2, fix_trunctfdi2): New.
4509 (floatunsditf2, fixuns_trunctfdi2): New.
4510 (addtf3, subtf3, multf3, abstf2): New.
4511 (negtf2, nabstf2, mintf3, maxtf3): New.
4512 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
4514 (fr_spill): Use TFmode, not XFmode.
4515 (fr_restore): Likewise.
4516 * config/ia64/lib1funcs.asm (__divtf3): New.
4517 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
4519 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4521 * cse.c (fold_rtx): Avoid empty body in an if-statement.
4523 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
4524 `U' integer constant suffix.
4526 * dwarf2out.c (add_subscript_info): Avoid empty body in an
4529 * sparc/sol2.h (__enable_execute_stack): Prototype.
4531 2000-08-14 David Edelsohn <edelsohn@gnu.org>
4533 * collect2.c: Remove use of AIX import file.
4535 * longlong.h: Test ARCH_PWR not ARCH_POWER.
4537 * rs6000.c (print_operand, case 'E'): Add else.
4539 2000-08-14 Richard Henderson <rth@cygnus.com>
4541 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
4542 (movdi_symbolic): New.
4544 2000-08-14 Jim Wilson <wilson@cygnus.com>
4546 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
4547 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
4548 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
4551 2000-08-14 Richard Henderson <rth@cygnus.com>
4553 * expr.c (emit_group_load): Don't force constants into registers.
4554 Special case source already in the correct mode.
4556 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
4558 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
4559 * fixinc/inclhack.def: Likewise.
4560 * fixinc/mkfixinc.sh: Likewise.
4561 * configure: Regenerate.
4562 * fixinc/fixincl.x: Regenerate.
4563 * install.texi: Document equivalence of linux and linux-gnu.
4565 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4567 * cse.c (insert_regs): Also in REG case: When finding an invalid
4568 value, and we make a new quantity, make sure that it won't be
4569 mistaken by for a valid one by mention_regs.
4571 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
4573 * h8300.md: Remove obsolete peepholes.
4575 2000-08-13 Kazu Hirata <kazu@hxi.com>
4577 * invoke.texi (H8/300 Options): Fix typos.
4578 * config/h8300.c: Fix formatting.
4579 * config/h8300.h: Fix comment typos.
4580 (OVERRIDE_OPTIONS): Fix formatting.
4582 * function.c: Fix formatting.
4584 * cse.c: Fix formatting.
4586 2000-08-13 Geoff Keating <geoffk@cygnus.com>
4588 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
4589 (attempt_auto_inc): Suppress parentheses warning.
4590 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
4591 * loop.c (load_mems): Remove `u' suffix in two places.
4592 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
4594 * config/rs6000/rs6000.h: Likewise.
4595 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
4596 __eabi dummy routine.
4597 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
4600 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
4601 not put stuff in .sdata unnecessarily.
4602 (rs6000_unique_section): New function.
4603 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
4604 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
4606 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
4607 arrays in C99. Don't try to look at DECL_REGISTER of a
4608 COMPONENT_REF. Don't complain twice about the same error.
4610 * fixinc/inclhack.def (aix_pthread): New fix.
4611 (aix_sysmachine): New fix.
4612 * fixinc/fixincl.x: Regenerate.
4614 * expr.c (expand_expr): Call convert_modes when turning a large
4615 multiply into a small one.
4617 2000-08-12 Geoff Keating <geoffk@cygnus.com>
4619 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
4620 the tree structure an exponent rather than an explicit alignment
4621 so it doesn't overflow.
4622 (SET_DECL_OFFSET_ALIGN): New macro.
4623 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
4624 rather than DECL_OFFSET_ALIGN.
4625 (place_field): Likewise.
4626 * expmed.c (store_bit_field): Abort on align==0 to avoid
4627 antisocial machine behaviour.
4629 2000-08-12 Richard Henderson <rth@cygnus.com>
4631 * sibcall.c (uses_addressof): Accept both addressof and
4632 current_function_internal_arg_pointer inside a mem.
4633 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
4634 if current_function_uses_addressof.
4635 * stmt.c (expand_return): Kill tail recursion and HAVE_return
4638 2000-08-11 Richard Henderson <rth@cygnus.com>
4640 * config/ia64/ia64.md (addsi3): Remove expander.
4641 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
4642 (*addsi3_shladd): New.
4644 2000-08-11 Richard Henderson <rth@cygnus.com>
4646 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
4647 (do_restore): Likewise.
4648 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
4649 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
4650 (rtx_needs_barrier): Track actual bit manipulation for
4651 ar.unat moves, gr_spill, and gr_restore.
4652 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
4653 (process_set): Don't handle varargs spills.
4654 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
4655 .mem.offset here instead of in process_set.
4656 (gr_restore): Likewise.
4658 2000-08-11 Richard Henderson <rth@cygnus.com>
4660 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
4662 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
4664 * gcc.texi (The Configuration File): Document
4665 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
4666 UPDATE_PATH_HOST_CANONICALIZATION.
4668 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4670 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
4671 unprototyped function pointer casts on integer constants.
4673 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
4675 * fixproto: Recognize DOS paths with drive letters as absolute paths.
4677 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
4679 * extend.texi (Volatiles): Fix typos.
4681 2000-08-11 Kazu Hirata <kazu@hxi.com>
4683 * flow.c: Fix formatting.
4685 2000-08-11 Richard Henderson <rth@cygnus.com>
4687 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
4688 pattern, always allocate a tertiary scratch register.
4690 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
4691 (reload_inhi): Likewise.
4693 2000-08-11 Richard Henderson <rth@cygnus.com>
4695 * function.c (put_reg_into_stack): Allow type to be NULL.
4696 (schedule_fixup_var_refs): Likewise.
4697 (gen_mem_addressof): Allow decl to be NULL.
4698 (put_addressof_into_stack): Likewise.
4700 * flow.c (merge_blocks_nomove): Be more careful about
4701 locating the beginning of block A.
4703 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
4705 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4710 * config.in: Reverted the check for <sched.h>.
4712 2000-08-10 Chris Demetriou <cgd@sibyte.com>
4714 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
4715 macros define the name of CTOR and DTOR sections.
4716 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
4717 DTOR_LIST_END): Change to use attributes to specify
4719 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
4720 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
4721 DTOR_LIST_END): Same as in mips/elf.h.
4723 2000-08-10 Drew Moseley <dmoseley@redhat.com>
4725 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
4726 disabling just crt0.o.
4728 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
4730 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
4731 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
4732 (EXTRA_SPECS): Add them.
4733 * arm/lib1funcs.asm: Support builds for interworking.
4734 Use macros to eliminate duplicated pieces of code.
4736 2000-08-10 Kazu Hirata <kazu@hxi.com>
4738 * h8300.c (expand_a_rotate): New.
4739 (emit_a_rotate): Likewise.
4740 (h8300_adjust_insn_length): Add support for the rotate insns.
4741 * h8300.md (rotlqi3): New.
4742 (*rotlqi3_1): Likewise.
4743 (rotlhi3): Likewise.
4744 (*rotlhi3_1): Likewise.
4745 (rotlhi3): Likewise.
4746 (*rotlhi3_1): Likewise.
4747 * h8300-proto.h: Add prototypes for expand_a_rotate and
4750 * h8300.c: Fix comment typos.
4751 (dosize): Declare the variable amount as unsigned.
4752 (get_shift_alg): Fix a comparison between signed and unsigned.
4753 (emit_a_shift): Likewise.
4754 (h8300_adjust_insn_length): Simplify the code.
4756 * c-decl.c: Fix formatting.
4758 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4760 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
4761 warning about non-traditional numeric constant suffixes.
4763 * cppexp.c (parse_number): Likewise.
4765 * invoke.texi: (-Wtraditional): Document new behavior.
4767 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4769 * gthr-posix.h: Include auto-host.h. Conditionally include
4771 * configure.in: Check for the <sched.h> header file.
4772 * config.in: Added define for HAVE_SCHED_H.
4774 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4776 * c-typeck.c (process_init_element): For -Wtraditional, warn about
4777 initialization of unions.
4779 * invoke.texi (-Wtraditional): Document new behavior.
4781 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
4783 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
4784 instead of extra_c_flags.
4785 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
4786 * configure: Regenerate.
4787 * config.in: Regenerate.
4789 * cpperror.c (cpp_type2name): New function.
4790 * cpplex.c (lex_line): If we issued an error for an invalid
4791 preprocessing directive, discard that logical line.
4792 * cpplib.c (do_line): Call a hook function if the current file
4793 is renamed by #line.
4794 (do_ident): Pass the contents of the string, not the entire
4795 token, to the callback function.
4796 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
4797 (cb.rename_file): New hook function.
4798 (cb.ident): Adjust prototype.
4799 (cpp_type2name): Prototype.
4800 * cppmacro.c (dump_macro_args): Correct precedence lossage.
4802 * cppmain.c (cb_ident): Update for changed interface.
4803 (cb_rename_file): New function.
4804 (main): Set rename callback.
4806 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
4808 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
4809 multi-word registers.
4811 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
4813 * c-common.c (combine_strings, check_format_info): Refer to ISO C
4814 or ISO C89 instead of ANSI C.
4815 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
4816 build_enumerator, do_case): Likewise.
4817 * c-lex.c (parse_float, yylex): Likewise.
4818 * c-parse.in: Likewise.
4819 * c-typeck.c (common_type, build_array_ref, build_binary_op,
4820 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
4821 build_c_cast, convert_for_assignment, set_init_index,
4822 set_init_label, c_expand_start_case): Likewise.
4823 * toplev.c (documented_lang_options, display_help): Likewise.
4825 2000-08-08 Kazu Hirata <kazu@hxi.com>
4827 * h8300.c: Fix formatting.
4828 * h8300.h: Likewise.
4829 * h8300.md: Likewise.
4830 (movsi_h8300hs): Fix formatting of the resulting assembly code.
4832 * reload1.c: Fix formatting.
4834 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
4836 * alpha/alpha.c (alpha_emit_xfloating_libcall):
4837 Use GEN_CALL_VALUE define.
4838 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
4839 * clipper/clipper.md (untyped_call): Likewise.
4840 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
4841 * fx80/fx80.md (untyped_call): Likewise.
4842 * mips/mips.md (untyped_call): Likewise.
4843 * ns32k/ns32k.md (untyped_call): Likewise.
4844 * pa/pa.md (untyped_call): Likewise.
4845 * romp/romp.md (untyped_call): Likewise.
4846 * sparc/sparc.md (untyped_call): Likewise.
4848 2000-08-08 Jason Eckhardt <jle@cygnus.com>
4850 * config/i860/i860.c (singlemove_string): Do not generate assembler
4851 pseudo instructions that must be expanded (that is, with signed
4852 constants larger than 16 bits).
4854 2000-08-08 Richard Henderson <rth@cygnus.com>
4856 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
4857 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
4858 (init_propagate_block_info): Don't kill memory stores at -O0.
4859 (mark_set_1, mark_used_regs): Likewise.
4861 2000-08-08 David Edelsohn <edelsohn@gnu.org>
4863 * rs6000.c (optimization_options): Decorate 'level' as
4865 (mask64_operand): Remove sign-extend thinko.
4866 (rldic_operand): New function.
4867 (load_multiple_operation): regno's are unsigned ints.
4868 (store_multiple_operation): Likewise.
4869 (lmw_operation): Likewise.
4870 (stmw_operation): Likewise.
4871 (includes_lshift_p): shift_mask is unsigned int.
4872 (includes_lshift64_p): New function.
4873 (addrs_ok_for_quad_peep): unsigned int reg1.
4874 (print_operand): Consistently add "else" after
4875 output_operand_lossage().
4876 (print_operand, case 'b'): Fold in case 'W'.
4877 (print_operand, case 'W'): Print rldic MB value.
4878 (output_epilogue): Update Objective-C language string.
4879 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
4880 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
4881 * rs6000.md (ashldi3): Add rldic instruction.
4882 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
4883 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
4886 2000-08-08 Richard Henderson <rth@cygnus.com>
4888 * config/ia64/ia64-protos.h: Remove duplicates. Update
4889 for massive code rearrangements.
4890 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
4891 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
4892 (ia64_local_regs, ia64_need_regstk): Remove.
4893 (ar_ccv_reg_operand): New.
4894 (ia64_gp_save_reg): New.
4895 (struct ia64_frame_info): Combine most of the size elements;
4896 add new gr save elements.
4897 (find_gr_spill): New.
4898 (next_scratch_gr_reg): New.
4899 (mark_reg_gr_used_mask): New.
4900 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
4901 to GR backing store regs when possible.
4902 (ia64_initial_elimination_offset): New.
4903 (ia64_rap_fp_offset): Remove.
4904 (save_restore_insns): Remove.
4905 (setup_spill_pointers): New.
4906 (finish_spill_pointers): New.
4907 (spill_restore_mem): New.
4908 (do_spill, do_restore): New.
4909 (ia64_expand_prologue): Rewrite to use them.
4910 (ia64_expand_epilogue): Likewise.
4911 (ia64_direct_return): Update for current_frame_info changes.
4912 (ia64_function_prologue): Simplify .prologue emission. Emit
4914 (ia64_setup_incoming_varargs): Don't ever emit rtl.
4915 (ia64_dbx_register_number): New.
4916 (ia64_initialize_trampoline): New.
4917 (ia64_secondary_reload_class): Request GR_REGS for integer
4918 arithmetic destined for FR_REGS.
4919 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
4920 (ia64_mark_machine_status): Mark ia64_gp_save.
4921 (rws_access_regno): Rename from rws_access_reg; don't treat
4922 predicates specially.
4923 (rws_access_reg): New. Update all callers.
4924 (rtx_needs_barrier): Remove dead unspecs.
4925 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
4926 (ia64_encode_section_info): Silence signed/unsigned warnings.
4927 (spill_offset, sp_offset, spill_offset_emitted): Remove.
4928 (tmp_reg, tmp_saved): Remove.
4929 (process_set): Rewrite to expect complicated bits via
4930 REG_FRAME_RELATED_EXPR.
4931 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
4932 in the use of ar.ccv; never set RTX_UNCHANGING_P.
4933 (ia64_expand_op_and_fetch): Likewise.
4934 (ia64_expand_compare_and_swap): Likewise.
4935 (ia64_expand_builtin): Likewise.
4936 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
4937 (FIRST_PSEUDO_REGISTER): Update.
4938 (AR_M_REGNO_P): Update.
4939 (FIXED_REGS): Don't mark three local registers as used.
4940 (EXTRA_CC_MODES): New.
4941 (SELECT_CC_MODE): New.
4942 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
4943 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
4944 (FRAME_GROWS_DOWNWARD): Unset.
4945 (STARTING_FRAME_OFFSET): Zero.
4946 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
4947 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
4948 (HARD_FRAME_POINTER_REGNUM): New.
4949 (CAN_DEBUG_WITHOUT_FP): Define.
4950 (TRAMPOLINE_TEMPLATE): Remove.
4951 (TRAMPOLINE_SIZE): Lower to 32.
4952 (TRAMPOLINE_ALIGNMENT): Lower to 64.
4953 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
4954 (PREDICATE_CODES): Update.
4955 (struct machine_function): Add ia64_gp_save.
4956 * config/ia64/ia64.md: Purge unused unspecs.
4957 (movsi patterns): Allow moves to/from AR_M_REGS.
4958 (movdi patterns): Allow moves to/from p0.
4959 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
4960 (gr_spill, gr_restore): Indicate ar.unat read/written.
4961 (nonlocal_goto): Don't pass old frame_pointer.
4962 (nonlocal_goto_receiver): Remove.
4963 (exception_receiver): New.
4964 (builtin_setjmp_setup): New.
4965 (builtin_setjmp_receiver): New.
4966 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
4967 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
4968 (__ia64_restore_stack_nonlocal): Likewise.
4969 (__ia64_trampoline): New.
4970 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
4972 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
4974 2000-08-08 Richard Henderson <rth@cygnus.com>
4976 * frame.h (ia64_frame_state): Add my_psp.
4977 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
4978 (__throw): Pass it in. Don't clobber r7.
4979 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
4980 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
4981 and nothing to do with sp.
4982 (normalize_reg_loc): Use frame->my_psp.
4983 (frame_translate): Handle frame-pointer-less functions. Set
4984 spill_base correctly, in absence of being told.
4985 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
4986 (__ia64_backtrace_helper): New sp argument. Use
4987 builtin_return_address instead of label addresses.
4988 (print_record) [mem_stack_v]: No size member.
4990 2000-08-08 Richard Henderson <rth@cygnus.com>
4992 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
4994 2000-08-08 Richard Henderson <rth@cygnus.com>
4996 * tm.texi (LOCAL_REGNO): Document.
4997 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
4998 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
4999 * reload1.c (reload): Likewise when considering nonlocal labels.
5001 * config/ia64/ia64.h (LOCAL_REGNO): New.
5002 * config/sparc/sparc.h (LOCAL_REGNO): New.
5004 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
5006 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
5008 2000-08-07 Nick Clifton <nickc@redhat.com>
5010 * config/mips/mips.c: Fix compile time warning messages.
5011 * config/mips/mips-protos.h: Add prototype for equality_op.
5013 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
5015 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
5017 * mn10300.md: Use nonimmediate_operand instead of general_operand
5020 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
5022 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
5024 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
5025 * sh.c (expand_block_move): Break long lines.
5026 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
5027 * sh.md (mulsi3): Likewise.
5028 (movdi): Adjust spacing.
5030 2000-08-07 Richard Henderson <rth@cygnus.com>
5032 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
5033 * expr.c (emit_group_store): Don't set it.
5035 2000-08-07 Kazu Hirata <kazu@hxi.com>
5037 * invoke.texi (Options for Debugging Your Program or GCC): Remove
5038 duplicate entries for 'w' and 'z'.
5040 * flow.c: Fix a comment typo.
5042 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
5044 * c-parse.in: Changed the language string for Objective-C to "GNU
5047 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
5049 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
5050 to improve the Posix thread support for Objective-C.
5052 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
5054 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
5055 CTI_UNSIGNED_PTRDIFF_TYPE.
5056 (signed_size_type_node): Define.
5057 (unsigned_ptrdiff_type_node): Define.
5058 * c-decl.c (init_decl_processing): Create the
5059 signed_size_type_node and unsigned_ptrdiff_type_node types.
5060 * c-common.c (T_SC): Define.
5063 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
5064 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
5066 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
5067 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
5068 flags for %c, %s and %[.
5069 (check_format_info): Only allow leniency for signedness of targets
5070 of character pointers (when pedantic) for formats flagged with
5071 "c", so for strings but not for %hh formats. When pedantic, don't
5072 allow character pointers to substitute for void pointers if a
5073 second level of indirection is present.
5075 2000-08-06 Kazu Hirata <kazu@hxi.com>
5077 * invoke.texi (Options for Debugging Your Program or GCC): Update
5078 the names of dump files.
5080 * h8300.c (dosize): Rearrange code for conciseness.
5081 (split_adds_subs): Likewise.
5083 * loop.c: Fix formatting.
5085 * dwarf2out.c: Fix formatting.
5087 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
5089 * expr.c: Fix formatting.
5091 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5093 * rs6000.c (rs6000_maybe_dead): Prototype.
5095 2000-08-06 Richard Henderson <rth@cygnus.com>
5097 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
5098 HAVE_nonlocal_goto as well.
5099 * config/i960/i960.md (nonlocal_goto): Don't do it here.
5100 * config/pj/pj.md (nonlocal_goto): Likewise.
5102 2000-08-07 Michael Hayes <mhayes@cygnus.com>
5104 * loop.c (try_swap_copy_prop): New function.
5105 (load_mems): Rename copies to load_copies and add new regset
5106 store_copies. Check for sets of shadow registers and mark
5107 in store_copies. Call try_swap_copy_prop for registers
5108 marked in store_copies.
5110 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
5112 * objc/objc-act.c: New command line option -fconstant-string-class
5113 to allow specifying a user defined constant string class,
5114 different from NXConstantString.
5116 * toplev.c: Moved the Objective-C specific options to
5117 objc/lang-options.h.
5119 * objc/lang-options.h: Moved the Objective-C specific options from
5120 toplev.c. Added -fconstant-string-class.
5122 2000-08-05 Chris Demetriou <cgd@sibyte.com>
5124 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5125 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
5126 __CTOR_LIST__ from func_ptr array to just func_ptr, to
5127 avoid extra alignment imposed on arrays.
5128 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5129 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
5131 * mips.h: Clean up comments and spacing near MASKs.
5132 (TARGET_UNIX_ASM): Delete.
5133 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
5134 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
5137 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
5139 * c-common.c (print_char_table): Add entries for the X/Open '
5140 format flag (print decimals with locale's thousands grouping
5141 character). Make %C expect wint_t.
5142 (check_format_info): If pedantic, warn when the %n$ operand
5143 number form is used. Allow for the ' flag; warn about it if
5146 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
5148 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
5149 type is a float mode, cfun->decl's return type is not, and
5150 TARGET_FLOAT_RETURNS_IN_80387.
5152 2000-08-04 Andreas Schwab <schwab@suse.de>
5154 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
5155 token list, which are always `#' and `pragma'.
5157 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
5159 * tree.c (tree_expr_nonnegative_p): Move to...
5160 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
5161 (rtl_expr_nonnegative_p): New.
5162 * tree.h: Add prototype for rtl_expr_nonnegative_p.
5164 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
5165 CONST_DOUBLE_CHAIN: Move to...
5166 * rtl.h: ...here. Use XCINT/XCEXP.
5168 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
5169 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
5170 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
5173 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
5175 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5177 * config/c4x/c4x.md (return_indirect_internal): New.
5178 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
5180 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5182 * c-common.c (time_char_table): Mark up formats added in C99 and
5183 make other corrections. %D and %g were added in C99. %Og is an
5184 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
5185 C99. %e was added in C99. %Oj is an extension. %G and %z are in
5186 C99 rather than GNU extensions, but %OG and %Oz are extensions.
5187 %h was added in C99. %C was added in C99. %OY and %OC are
5188 extensions. Add the C99 format %F.
5189 (check_format_info): If pedantic and not in C99 mode, warn for C99
5192 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5194 * function.c (schedule_fixup_var_refs): New function, broken out
5195 of put_reg_into_stack.
5196 (put_reg_into_stack): Use it.
5197 (put_var_into_stack): In CONCAT case, fixup up references for
5198 components only after fixing up references to the whole concat.
5200 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
5202 * alias.c (mark_constant_function): Use INSN_P.
5203 (init_alias_analysis): Likewise.
5204 * combine.c (combine_instructions): Use INSN_P.
5205 (can_combine_p): Likewise.
5206 (try_combine): Likewise.
5207 (distribute_notes): Likewise.
5208 (distribute_links): Likewise.
5209 * cse.c (cse_around_loop): Use INSN_P.
5210 (invalidate_skipped_block): Likewise.
5211 (cse_set_around_loop): Likewise.
5212 (cse_end_of_basic_block): Likewise.
5213 (delete_trivially_dead_insns): Likewise.
5214 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
5215 (unshare_all_rtl_1): Likewise.
5216 (next_cc0_user): Likewise.
5217 (try_split make_insn_raw): Likewise.
5218 (remove_unnecessary_notes): Likewise.
5219 * final.c (shorten_branches): Use INSN_P.
5220 (leaf_renumber_regs): Likewise.
5221 (leaf_renumber_regs_insn): Likewise.
5222 * flow.c (find_label_refs): Use INSN_P.
5223 (verify_wide_reg): Likewise.
5224 (notice_stack_pointer_modification): Likewise.
5225 (count_or_remove_death_notes): Likewise.
5226 (verify_flow_info): Likewise.
5227 (clear_log_links): Likewise.
5228 * function.c (fixup_var_refs_insns): Use INSN_P.
5229 (compute_insns_for_mem): Likewise.
5230 * gcse.c (alloc_gcse_mem): Use INSN_P.
5231 (compute_sets): Likewise.
5232 (compute_hash_table): Likewise.
5233 (classic_gcse): Likewise.
5235 (insert_insn_end_bb): Likewise.
5236 (delete_null_pointer_checks_1): Likewise.
5237 * global.c (expand_preferences): Use INSN_P.
5238 (build_insn_chain): Likewise.
5239 * graph.c (node_data): Use INSN_P.
5240 * haifa-sched.c (priority): Use INSN_P.
5241 (rm_line_notes): Likewise.
5242 (rm_other_notes): Likewise.
5243 (find_insn_reg_weight): Likewise.
5244 (init_target_units): Likewise.
5245 (schedule_block): Likewise.
5246 (compute_block_forward_dependences): Likewise.
5247 (debug_dependencies): Likewise.
5248 (set_priorities): Likewise.
5249 * integrate.c (function_cannot_inline_p): Use INSN_P.
5250 (save_parm_insns): Likewise.
5251 (copy_insn_list): Likewise.
5252 * jump.c (mark_all_labels): Use INSN_P.
5253 (never_reached_warning): Likewise.
5254 * lcm.c (optimize_mode_switching): Use INSN_P.
5255 * local-alloc.c (validate_equiv_mem): Use INSN_P.
5256 (memref_used_between_p): Likewise.
5257 (update_equiv_regs): Likewise.
5258 (block_alloc): Likewise.
5259 (no_conflict_p): Likewise.
5260 * loop.c (scan_loop): Use INSN_P.
5261 (find_and_verify_loops): Likewise.
5262 (count_loop_regs_set): Likewise.
5263 (loop_reg_used_before_p): Likewise.
5264 (strength_reduce): Likewise.
5265 (recombine_givs): Likewise.
5266 (check_dbra_loop): Likewise.
5267 (load_mems): Likewise.
5268 (try_copy_prop): Likewise.
5269 * print-rtl.c (print_rtx): Use INSN_P.
5270 * recog.c (find_single_use): Use INSN_P.
5271 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
5272 (next_flags_user): Likewise.
5273 (swap_rtx_condition): Likewise.
5274 * regmove.c (mark_flags_life_zones): Use INSN_P.
5275 (optimize_reg_copy_1): Likewise.
5276 (optimize_reg_copy_2): Likewise.
5277 (optimize_reg_copy_3): Likewise.
5278 (reg_is_remote_constant_p): Likewise.
5279 (fixup_match_2): Likewise.
5280 (regmove_optimize): Likewise.
5281 (fixup_match_1): Likewise.
5282 * regrename.c (build_def_use): Use INSN_P.
5283 (replace_reg_in_block): Likewise.
5284 (consider_use): Likewise.
5285 * reload.c (find_equiv_reg): Use INSN_P.
5286 * reload1.c (reload): Use INSN_P.
5287 (maybe_fix_stack_asms): Likewise.
5288 (calculate_needs_all_insns): Likewise.
5289 (reload_as_needed): Likewise.
5290 (emit_output_reload_insns): Likewise.
5291 (delete_address_reloads_1): Likewise.
5292 (reload_cse_regs_1): Likewise.
5293 (reload_combine): Likewise.
5294 (reload_cse_move2add): Likewise.
5295 * reorg.c (redundant_insn): Use INSN_P.
5296 (dbr_schedule): Likewise.
5297 * resource.c (find_dead_or_set_registers): Use INSN_P.
5298 (mark_target_live_regs): Likewise.
5299 * rtlanal.c (reg_used_between_p): Use INSN_P.
5300 (reg_referenced_between_p): Likewise.
5301 (reg_set_between_p): Likewise.
5302 (reg_set_p): Likewise.
5303 (single_set): Likewise.
5304 (multiple_sets): Likewise.
5305 (find_last_value): Likewise.
5306 (reg_set_last): Likewise.
5307 (find_reg_note): Likewise.
5308 (find_regno_note): Likewise.
5309 * sibcall.c (sequence_uses_addressof): Use INSN_P.
5310 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
5311 * ssa.c (find_evaluations): Use INSN_P.
5312 (rename_block): Likewise.
5313 (rename_equivalent_regs): Likewise.
5314 * unroll.c (loop_find_equiv_value): Use INSN_P.
5315 (set_dominates_use): Likewise.
5316 * varasm.c (mark_constant_pool): Use INSN_P.
5317 (mark_constants): Likewise.
5318 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
5319 (alphaev4_next_group): Likewise.
5320 (alphaev5_next_group): Likewise.
5321 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
5322 (c4x_rptb_rpts_p): Likewise.
5323 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
5324 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
5325 (rs6000_adjust_priority): Likewise.
5326 * config/sh/sh.c (sh_loop_align): Use INSN_P.
5327 (machine_dependent_reorg): Likewise.
5328 (split_branches): Likewise.
5329 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
5331 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
5333 * combine.c (recog_for_combine): Remove the old notes
5334 prior to attempting to recognize the new pattern.
5335 (distribute_notes): Ignore REG_NONNEG notes.
5337 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
5339 * varasm.c (output_constructor): Add .align 0 for packed vars.
5341 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5343 * configure.in: Use default thread_file even when enable_threads is
5344 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
5345 * configure: Rebuilt.
5347 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
5349 2000-08-04 Donn Terry (donnte@microsoft.com)
5351 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
5353 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
5355 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
5356 Delete code that conditionally modifies 'version'.
5357 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
5358 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
5359 * gcc.c (main): Use it.
5360 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
5361 * prefix.c (update_path): Use it.
5362 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
5363 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
5364 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
5366 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
5367 (SUBTARGET_SWITCHES): Adjust.
5368 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
5370 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
5372 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5374 * c-common.h (flag_isoc94): Declare.
5375 * c-decl.c (flag_isoc94): Define.
5376 (c_decode_option): Set flag_isoc94 as appropriate.
5377 * c-common.c (T_PD, T_IM, T_UIM): Define.
5378 (format_char_info): Add tlen and jlen.
5379 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
5381 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
5383 (time_char_table): Add NULL entries for %t and %j.
5384 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
5385 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
5386 Warn for printf %lf if pedantic and not C99. Don't warn for empty
5387 precision. Allow precision argument to be unsigned int. If
5388 pedantic, warn for %p passed an argument not a pointer to possibly
5389 qualified void or a possibly qualified character type, and for
5390 pointer targets of the wrong sign, except for character pointers.
5392 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5394 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
5395 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
5396 (wint_type_node): Define.
5397 * c-decl.c (WINT_TYPE): Define.
5398 (init_decl_processing): Create the wint_type_node type.
5399 * c-common.c (T_WI): Define.
5400 (print_char_table): Use T_WI for %lc format.
5402 2000-08-04 Bruce Korb <bkorb@gnu.org>
5404 * fixinc/: Verified that the MSDOS patch does not break
5405 the UNIX functionality and applied the next three patches
5408 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
5410 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
5411 output file with the temporary one by appending ".X" to generate
5412 the temporary fuile's name. If the output file already has an
5413 extension, replace it with ".X".
5415 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
5416 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
5417 reallocate the command buffer while copying the command-line
5418 argument. Redirect the output directly to the temporary file,
5419 instead of going through another temporary file.
5420 (process): Close the temporary file before unlinking it.
5421 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
5422 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
5423 (run_compiles): Pass p_fixd argument to machine_matches, as it
5426 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
5427 environment, assume there are no symlinks in the include
5428 directory. When cleaning up the DONE files, look for them
5429 case-insensitively. Don't try to remove symlinks if they aren't
5432 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
5433 all callers changed. Declare pz "const char *", to avoid compiler
5436 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
5437 Change prototype of make_raw_shell_str.
5439 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
5441 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
5442 (initialize) [__MSDOS__]: Use tempnam.
5443 (initialize): Don't use SIGPIPE if it is not defined.
5445 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
5448 2000-07-25 Bruce Korb <bkorb@gnu.org>
5450 * fixinc/fix*.[ch]: substantially reworked to make it possible
5451 to run this program without using fork(2) or pipe(2) (i.e. in
5454 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5456 * cppdefault.h (WINT_TYPE): Define.
5457 * cppinit.c (builtin_array): Define __WINT_TYPE__.
5458 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
5459 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
5461 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
5463 * (mips_legitimate_address_p): Don't allow register+offset
5464 if the offset is large and negative, and we are compiling
5465 for 64 bit registers.
5467 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5469 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
5470 insn_code_number + 1.
5472 2000-08-04 Kazu Hirata <kazu@hxi.com>
5474 * h8300.c (function_prologue): Rearrange code for conciseness.
5475 (function_epilogue): Likewise.
5476 * h8300.h (OK_FOR_U): Fix formatting.
5478 * cse.c: Fix a comment typo. Fix formatting.
5480 2000-08-03 Richard Henderson <rth@cygnus.com>
5482 * config/i386/i386.md (return_indirect_internal): New.
5483 * config/i386/i386.c (ix86_expand_epilogue): Use it.
5485 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
5487 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
5489 (lex_line): Glue @ onto the beginning of identifiers and
5490 string constants, in Objective-C mode.
5491 (output_token, spell_token): Handle CPP_OSTRING.
5492 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
5493 beginning of a NAME or a STRING, in objc mode.
5495 * cpplib.c (get_define_node): Do not permit identifiers that
5496 begin with @ to be #defined.
5497 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
5498 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
5500 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
5501 * c-tree.h (build_objc_string): Delete prototype.
5502 * objc/objc-tree.def: Delete OBJC_STRING_CST.
5503 * c-lex.c (yylex): Use build_string for all three kinds of strings.
5505 * c-parse.in, objc/objc-act.c: Update commentary.
5507 2000-08-03 Mark Mitchell <mark@codesourcery.com>
5509 * extend.texi: Fix typo in last change.
5511 * extend.texi: Add commentary on statement-expressions and their
5512 interactions with C++.
5514 2000-08-03 Nick Clifton <nickc@cygnus.com>
5516 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
5517 * dwarf.h (LANG_JAVA): Change value to 0x000b.
5519 2000-08-03 Anthony Green <green@cygnus.com>
5521 * dwarf2out.c (gen_compile_unit_die): Add java language support.
5522 (add_bound_info): Check for java language.
5523 (is_java): New function.
5524 * dwarfout.c (output_compile_unit_die): Ditto.
5525 * dwarf.h (dwarf_source_language): Add java source language type.
5526 * dwarf2.h (dwarf_source_language): Ditto.
5528 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
5530 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
5533 * i386.c (ix86_expand_branch): Mode of comparison in
5534 IF_THEN_ELSE is VOIDmode.
5536 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
5538 * gengenrtl.c, rtl.c: Avoid #elif.
5540 2000-08-03 Michael Poole <poole@troilus.org>
5542 * tm.texi (Register Classes): Clarify order of sub-initializers
5543 in REG_CLASS_CONTENTS.
5545 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5547 From SAITOH Masanobu:
5548 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
5550 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
5552 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
5553 is not supported by tradcpp and isn't actually needed for cygwin.
5555 2000-08-03 Kazu Hirata <kazu@hxi.com>
5557 * h8300.c: Fix a comment typo.
5558 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
5560 * jump.c: Fix formatting.
5562 * toplev.c: Fix formatting.
5564 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
5566 * flow.c (find_auto_inc): Verify that we've got a REG before
5567 peeking at its regno. Fail, don't abort if we can't find
5568 the increment of the desired register.
5570 * pa.md (shadd height reduction patterns/splitters): Remove.
5572 2000-08-02 Jim Wilson <wilson@cygnus.com>
5574 * config/ia64/ia64-protos.h (flag_ssa): Declare.
5575 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
5577 2000-08-02 Mark Mitchell <mark@codesourcery.com>
5579 * dce.c: Remove all uses of assert.
5580 * dwarf2out.c: Likewise.
5581 * dwarfout.c: Likewise.
5584 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
5586 * gcc.h (lang_specific_driver): Constify second argument.
5587 * gcc.c (translate_options, process_command, main): Likewise.
5588 Constify variables to match. Cast second argument to
5591 * cppspec.c, gccspec.c: Adjust type of second argument to
5592 lang_specific_driver, and update code as necessary.
5594 2000-08-02 Jakub Jelinek <jakub@redhat.com>
5596 * loop.c (scan_loop): Ensure update_end label does not
5597 go away until reg_scan_update is run.
5599 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
5601 * c-common.h: Prototype min_precision and c_build_qualified_type here...
5602 * c-tree.h: ... not here.
5603 * errors.h: Prototype fancy_abort.
5605 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
5606 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
5607 * regrename.c (regrename_optimize): Make control flow explicit.
5608 (replace_reg_in_block): Initialize reg_use to 0.
5610 * i386.c (legitimate_address_p): Rename error label to
5611 report_error to avoid namespace clash.
5613 2000-08-02 Kazu Hirata <kazu@hxi.com>
5615 * fold-const.c: Fix formatting.
5617 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
5619 * i386.c (legitimate_address_p): Accept other bases than
5620 pic_offset_table_rtx for GOTOFF constructs.
5622 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
5624 * i386.md (shift to lea splitter): Use const_int_operand.
5626 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
5628 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
5629 cppspec.c: Do not use 'legal' or 'illegal' in error messages
5632 * cppmain.c (cb_define, cb_undef): Don't generate any output
5633 if not done_initializing.
5634 * cpplex.c (maybe_paste_with_next): When the token after a ##
5635 is an omitted rest argument, only delete the token before it
5636 if that token is a comma. Do not warn about bogus token
5637 pastes for , ## rest_arg.
5640 * cpp.1: Regenerate.
5642 2000-08-02 Fred Fish <fnf@be.com>
5644 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
5645 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
5648 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
5649 Be directories to search path.
5651 Remove support for __declspec(dllimport) and __declspec(dllexport).
5652 This is leftover cruft from the earlier BeOS gcc port when BeOS
5653 used Microsoft's PE object file format.
5654 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
5655 * config/i386/t-beos (winnt.o): Remove Makefile frag.
5656 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
5657 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
5658 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
5659 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
5660 (REDO_SECTION_INFO_P): Remove.
5661 (ASM_EXPORT_DECL): Remove.
5662 (ASM_DECLARE_FUNCTION_NAME): Remove.
5663 (ASM_DECLARE_OBJECT_NAME): Remove.
5664 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
5665 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
5666 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
5667 (STRIP_NAME_ENCODING): Remove.
5669 Remove support for obsolete version of BeOS that is no longer
5671 * configure.in (i*86-*-beospe*): Remove.
5672 * config/i386/beos-pe.h: Remove.
5674 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
5675 Mark Mitchell <mark@codesourcery.com>
5677 * Makefile.in (OBJS): Added dce.o.
5678 (ssa.o): Updated target to include ssa.h.
5680 (toplev.o): Likewise.
5681 (dce.o): Created target.
5682 * basic-block.h: Added comments.
5683 (INVALID_BLOCK): Added definition.
5684 (connect_infinite_loops_to_exit): Added declaration.
5685 Moved SSA declarations to ssa.h.
5686 * flow.c: Added inclusion of ssa.h.
5687 (struct depth_first_search_dsS, depth_first_search_ds):
5689 (compute_immediate_postdominators): Added definition.
5690 (connect_infinite_loops_to_exit): Likewise.
5691 (flow_dfs_compute_reverse_init): Likewise.
5692 (flow_dfs_compute_reverse_add_bb): Likewise.
5693 (flow_dfs_compute_reverse_execute): Likewise.
5694 (flow_dfs_compute_reverse_finish): Likewise.
5695 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
5696 (LABEL_P): Added definition.
5699 (BARRIER_P): Likewise.
5700 (JUMP_TABLE_DATA_P): Likewise.
5701 (INSN_DEAD_CODE_P): Likewise.
5702 * ssa.c: Replaced inclusions with ssa.h inclusion.
5703 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
5704 (rename_registers): Removed unnecessary variables.
5705 * ssa.h: Created by moving declarations from ssa.c and
5707 * timevar.def: Defined TV_DEAD_CODE_ELIM.
5708 * toplev.c: Added ssa.h inclusion.
5709 (dump_file_index): Added DFI_dce.
5710 (dump_file): Added "dce" entry.
5712 (f_options): Added dce entry.
5713 * invoke.texi: Document -fdce. Emphasize experimental status of
5717 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
5719 * cpperror.c (v_message): Split into _cpp_begin_message and
5720 v_message macro. All callers updated.
5721 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
5724 * cppfiles.c (cpp_syshdr_flags): New function.
5725 (read_include_file): Don't call cpp_output_tokens. Call
5727 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
5728 (cpp_reader_init): Don't initialize token_buffer. Call
5729 _cpp_init_internal_pragmas.
5730 (cpp_cleanup): Don't clear token_buffer.
5731 (cpp_start_read): Don't worry about output from -D processing.
5732 Don't call cpp_output_tokens.
5733 (cpp_finish): Don't dump macros here. Don't call
5735 * cppmacro.c (_cpp_dump_definition): Rename
5736 cpp_dump_definition. Write directly to a FILE *.
5737 (dump_funlike_macro): Delete.
5738 (dump_macro_args): New.
5740 * cpplex.c (TOKEN_LEN): Convert to inline function.
5741 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
5742 cpp_scan_line, _cpp_dump_list): Delete.
5743 (cpp_printf, cpp_output_list): New.
5744 (output_line_command): Don't worry about entering or leaving files.
5745 (cpp_scan_buffer): Just output each token as we hit it.
5746 (process_directive): Don't call cpp_output_tokens.
5747 (_cpp_glue_header_name): Don't use token_buffer.
5748 (output_token, dump_param_spelling): Write directly to a FILE *.
5750 * cpplib.c (pass_thru_directive, dump_macro_name,
5751 pragma_dispatch, do_pragma_gcc): Delete.
5752 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
5753 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
5755 (do_error, do_warning, pragma_dependency): Call
5756 _cpp_begin_message, then cpp_output_list.
5757 (cpp_register_pragma, cpp_register_pragma_space,
5758 _cpp_init_internal_pragmas): New.
5759 (do_pragma): Walk the pragmas table here.
5760 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
5761 do_pragma_dependency): Return void.
5762 (do_pragma_implementation): Moved to cppmain.c.
5764 * cpplib.h: Update prototypes.
5765 (struct cpp_reader): Remove printer, token_buffer,
5766 token_buffer_size, and limit. Add struct cb, and pragmas.
5767 (struct cpp_printer): Remove last_id and written.
5768 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
5769 CPP_ADJUST_WRITTEN): Delete.
5770 * cpphash.h: Update prototypes.
5771 (ufputs): New wrapper.
5773 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
5774 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
5775 (main): Set up callbacks. Register #pragma implementation.
5776 Dump macros from here.
5778 2000-08-01 Geoff Keating <geoffk@cygnus.com>
5780 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
5781 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
5782 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
5783 insns if they have a REG_MAYBE_DEAD note attached.
5784 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
5785 (rs6000_emit_load_toc_table): TOC loads may go dead.
5787 2000-08-01 Jim Wilson <wilson@cygnus.com>
5789 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
5790 type exists before using it. Use number of words as alignment
5792 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
5793 ia64_va_arg): Propagate ia64_function_args changes here.
5795 2000-08-01 Richard Henderson <rth@cygnus.com>
5797 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
5798 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
5800 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
5802 From Joern Rennecke:
5803 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
5804 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
5805 unless TARGET_SH3E is set.
5806 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
5808 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
5809 (ashlsi3_std): New pattern.
5810 (ashlsi3 expander): Use it for TARGET_SH3.
5811 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
5813 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5815 * loop.c (canonicalize_condition): Use destination, not source to
5816 determine SET's mode.
5818 2000-07-31 Mark Mitchell <mark@codesourcery.com>
5820 * flow.c (clear_log_links): Fix typo.
5822 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
5824 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
5825 on targets which need more than one insn for a compare/cbranch
5828 2000-07-31 Jim Wilson <wilson@cygnus.com>
5830 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
5831 when computing offset.
5833 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
5835 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
5837 2000-07-31 Geoff Keating <geoffk@cygnus.com>
5839 * flow.c (clear_log_links): Nuke global_live_at_start and
5840 global_live_at_end data, since if the log_links stuff is invalid
5841 so is global_live_at_*.
5843 2000-07-31 Richard Henderson <rth@cygnus.com>
5845 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
5847 2000-07-31 Jakub Jelinek <jakub@redhat.com>
5849 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
5850 (_cpp_get_token): Don't macro expand a just pasted token if it
5851 was pasted at no_expand_level.
5853 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5855 * cppmacro.c (find_param, count_params, save_expansion):
5856 Permit 'defined' as a macro parameter name.
5858 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5860 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
5861 xcpp to cpp throughout.
5862 (native): Remove unnecessary dependency on cpp.
5864 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
5865 tradcpp to tradcpp0.
5866 (.i spec): Add missing output-file spec to cc1 command line.
5867 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
5869 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5871 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
5872 (implicit_decl_warning): New function.
5873 (implicitly_declare): Use it.
5874 * c-typeck.c (build_external_ref): Use implicit_decl_warning
5875 to complain about implicit decls of builtins.
5877 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
5878 based on pedantic && flag_isoc99, if not already set.
5879 * c-tree.h: Declare mesg_implicit_function_declaration.
5880 Prototype implicit_decl_warning.
5882 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
5884 * Makefile.in (ssa.o): Updated header files in dependences.
5885 * basic-block.h: Added compute_immediate_postdominators declaration.
5886 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
5888 * flow.c (compute_immediate_dominators): Updated comment.
5889 (compute_immediate_postdominators): Added definition.
5890 * rtl.h (HARD_REGISTER_P): Added definition.
5891 * ssa.c: Include additional header files.
5892 (assert): Added definition.
5893 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
5894 include select hard registers.
5895 (ssa_rename_to_insert): Likewise.
5896 (ssa_rename_from_initialize): Likewise.
5897 (ssa_rename_from_lookup): Likewise.
5898 (original_register): Likewise.
5899 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
5900 include select hard reigsters.
5901 (ssa_rename_from_traverse): Likewise.
5902 (ssa_rename_from_free): Likewise.
5903 (ssa_rename_from_print): Likewise.
5904 (ssa_rename_from_print_1): Likewise.
5905 (ssa_rename_from_hash_function): Likewise.
5906 (ssa_rename_from_equal): Likewise.
5907 (ssa_rename_from_delete): Likewise.
5908 (simplify_to_immediate_dominators): Removed in favor of
5909 flow.c:compute_immediate_dominators.
5910 (find_evaluations_1): Modified to work with hard registers.
5911 (insert_phi_node): Likewise.
5912 (insert_phi_nodes): Likewise.
5913 (struct rename_set_data): Updated prev_reg comment.
5914 (create_delayed_rename): Modified to work with hard registers.
5915 (RENAME_NO_RTX): Updated comment.
5916 (apply_delayed_renames): Modified to work with hard registers.
5917 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
5918 (rename_block): Updated to use revised ssa_rename_to interface.
5919 (rename_registers): Updated to use revised ssa_rename_to and
5920 ssa_rename_from interface.
5921 (convert_to_ssa): Revised to use compute_immediate_dominators and
5922 deal with hard registers.
5923 (make_regs_equivalent_over_bad_edges): Modified to work with hard
5924 registers. Added check for illegal unification of hard register.
5925 (make_equivalent_phi_alternatives_equivalent): Modified to work
5926 with hard registers.
5927 (compute_conservative_reg_partition): Likewise.
5928 (coalesce_if_unconflicting): Modified to work with hard registers
5929 and check for conflicting hard registers.
5930 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
5932 (rename_equivalent_regs_in_insn): Modified to work with hard
5934 (record_canonical_element_1): Added definition.
5935 (check_hard_regs_in_partition): Added definition.
5936 (convert_from_ssa): Added data structure deallocation and check
5937 for illegal hard register unification.
5938 (conflict_hard_regs_p): Added definition.
5939 * toplev.c (rest_of_compilation): Added comment.
5941 2000-07-31 Anthony Green <green@redhat.com>
5943 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
5945 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
5947 * builtins.c (expand_builtin_apply): Don't defer pop during
5950 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5952 * calls.c (combine_pending_stack_adjustment_and_call): Only use
5953 preferred_unit_stack_boundary when it is > 1.
5955 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
5957 * c-common.c (init_function_format_info): Add C99 format functions
5960 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
5961 void' or 'register void' as being the special case of 'void' alone
5962 in a parameter list.
5964 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
5965 discarding qualifiers into a plain warning.
5967 2000-07-31 Kazu Hirata <kazu@hxi.com>
5969 * combine.c: Fix formatting.
5971 * h8300.md: Fix formatting.
5973 * local-alloc.c: Fix formatting.
5975 * h8300.c (get_shift_alg): Remove the variable alg.
5976 (emit_a_shift): Rearrange code to improve readability.
5978 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
5980 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
5981 HImode on all architectures and a combination of HImode and SImode
5982 on H8/300H and H8/S.
5984 * h8300.c (split_adds_subs): Rearrange code for conciseness.
5986 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
5988 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
5991 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
5993 * recog.c (extract_insn): Set operand_mode according to
5994 operand if match_operand is VOIDmode.
5996 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
5998 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
6000 2000-07-31 Geoff Keating <geoffk@cygnus.com>
6002 * c-parse.in (extdefs): Call ggc_collect between external
6005 2000-07-30 Michael Hayes <mhayes@cygnus.com>
6006 Richard Henderson <rth@cygnus.com>
6008 * Makefile.in (OBJS): Add doloop.o.
6009 * doloop.c: New file.
6011 * final.c (insn_current_reference_address): Return 0 before final.
6012 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
6013 * jump.c (any_uncondjump_p): Likewise.
6014 * loop.c (indirect_jump_in_function): Make static.
6015 (strength_reduce): Call doloop_optimize.
6016 (insert_bct, instrument_loop_bct): Remove.
6017 * loop.h (doloop_optimize): Prototype.
6018 * recog.c (split_all_insns): Split all INSN_P.
6019 * toplev.c (flag_branch_on_count_reg): Default on.
6021 * config/c4x/c4x.c (c4x_optimization_options): Don't set
6022 flag_branch_on_count_reg.
6023 * config/i386/i386.c (override_options): Likewise.
6024 * config/rs6000/rs6000.c (optimization_options): Likewise.
6026 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
6028 (dbra_ge): Remove, as well as all it's splitters.
6030 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
6033 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
6034 (ia64_register_move_cost): Declare.
6035 * config/ia64/ia64.c (ar_lc_reg_operand): New.
6036 (struct ia64_frame_info): Add ar_size.
6037 (ia64_compute_frame_size): Set it.
6038 (save_restore_insns): Save and restore ar.lc.
6039 (ia64_register_move_cost): New, moved from header file. Handle
6040 application registers.
6041 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
6042 (emit_insn_group_barriers): Special case doloop_end_internal.
6043 (ia64_epilogue_uses): Mark ar.lc live at end.
6044 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
6045 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
6046 (FIRST_PSEUDO_REGISTER): Make room.
6047 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
6048 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
6049 (REG_ALLOC_ORDER): Update.
6050 (HARD_REGNO_MODE_OK): Update.
6051 (REGISTER_NAMES): Update.
6052 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
6053 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
6054 (REGNO_REG_CLASS): Update.
6055 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
6056 (REGISTER_MOVE_COST): Move out of line.
6057 (PREDICATE_CODES): Update.
6058 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
6059 (addsi3_plus1_alt, adddi3_plus1_alt): New.
6060 (shladd_elim splitter): Allow constants in the predicate.
6061 (doloop_end, doloop_end_internal): New.
6063 2000-07-30 Richard Henderson <rth@cygnus.com>
6065 * genattrtab.c (struct insn_def): Add lineno member.
6066 (struct insn_ent): Likewise.
6067 (struct attr_desc): Likewise.
6068 (struct delay_desc): Likewise.
6069 (struct function_unit_op): Likewise.
6070 (struct function_unit): Likewise.
6071 (check_attr_value): Use message_with_line.
6072 (check_defs): Likewise.
6073 (expand_units): Likewise.
6074 (check_attr_test): Take a lineno argument.
6075 (gen_attr): Likewise.
6076 (gen_insn): Likewise.
6077 (gen_delay): Likewise.
6078 (gen_unit): Likewise.
6079 (main): Give it to them.
6080 (convert_set_attr_alternative): Take an insn_def argument
6081 instead of num_alt and insn_index.
6082 (convert_set_attr): Likewise.
6083 (write_test_expr): Protect INSN_ADDRESSES load
6084 with INSN_ADDRESSES_SET_P.
6086 2000-07-30 Richard Henderson <rth@cygnus.com>
6088 * flow.c (init_propagate_block_info): Use pc_set.
6090 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
6092 * i386.md (*lea_general_[123]) New insns and splits.
6093 (addsi3 to lea splitter): Handle other modes too.
6094 (shlsi3 to lea splitter): Likewise.
6095 (addhi_1_lea, shlhi_1_lea): New patterns.
6096 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
6098 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
6100 * recog.c (general_operand, nonimmediate_operand): Accept
6101 any mode for VOIDmode CONSTANT_P operands.
6103 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
6105 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
6106 instead of replace_rtx.
6107 * recog.c (validate_replace_rtx_subexp): New function.
6108 * recog.h (validate_replace_rtx_subexp): Declare.
6110 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
6112 * combine.c (simplify_set, make_extraction, make_compound_operation
6113 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
6114 as force_to_mode argument.
6116 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
6118 * combine.c (if_then_else_cond): Be sure that mode fits in
6121 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
6123 * combine.c (record_promoted_value): Allow bitsize of mode
6124 to be equivalent to HOST_BITS_PER_WISE_INT.
6126 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
6128 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
6129 Do not call gen_mode_alignment when mode is BLKmode.
6131 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
6133 * loop.c (express_from_1): Fix call of simplify_gen_binary.
6135 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
6137 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
6138 VOIDmode implies both operands to be VOIDmode.
6139 (simplify_ternary_operation): Compute properly the mode of comparison.
6140 * combine.c (combine_simplify_rtx): Likewise.
6142 2000-07-25 Michael Hayes <mph@paradise.net.nz>
6144 * basic-block.h (struct loops): New field rc_order.
6145 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
6146 (flow_loops_free): Free rc_order.
6147 (flow_depth_first_order_compute): New parameter rc_order.
6148 (flow_loops_find): Allocate rc_order and swap usage with
6151 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6152 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6154 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
6155 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
6156 (nodb_call, return_from_epilogue): Likewise.
6157 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
6158 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
6159 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
6160 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6161 (c4x_valid_type_attribute_p): Likewise.
6162 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
6163 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
6165 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6167 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
6168 and loadhi_big_constant if applicable.
6169 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
6170 and add new splitter.s
6172 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6174 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
6176 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6178 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
6180 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6182 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
6184 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6186 * config/c4x/libgcc.S (divqf3): Improve accuracy.
6188 2000-07-27 Mark Mitchell <mark@codesourcery.com>
6190 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
6191 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
6192 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
6193 (get_prev_bb_note): Likewise.
6194 (remove_scope_notes): Likewise.
6195 * flow.c (commit_one_edge_insertion): Likewise.
6196 (merge_blocks_nomove): Likewise.
6197 (verify_flow_info): Likewise.
6198 * gcse.c (insert_insn_end_bb): Likewise.
6199 * reg-stack.c (emit_swap_insn): Likewise.
6200 * ssa.c (first_insn_after_basic_block_note): New function.
6201 (insert_phi_node): Use it.
6202 (rename_block): Likewise.
6203 (eliminate_phi): Likewise.
6204 (make_regs_equivalent_over_bad_edges): Likewise.
6205 (make_equivalent_phi_alternatives_equivalent): Likewise.
6206 (for_each_successor_phi): Likewise.
6207 (convert_from_ssa): Modify phi-node deletion algorithm.
6209 2000-07-29 Andreas Jaeger <aj@suse.de>
6211 * configure.in (mips*-*-linux*): Use mips*el to check for little
6212 endian MIPS, add tmake_file.
6214 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
6215 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
6216 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
6218 2000-07-28 Richard Henderson <rth@cygnus.com>
6220 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
6221 Sign extend mode size before negating.
6223 2000-07-28 Richard Henderson <rth@cygnus.com>
6225 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
6227 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
6229 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
6230 (cse_insn): Likewise.
6231 (addr_affects_sp_p): Likewise.
6232 * expr.c (move_by_pieces): Likewise.
6233 (clear_by_pieces): Likewise.
6234 * gcse.c (oprs_unchanged_p): Likewise.
6235 * haifa-sched.c (sched_analyze_2): Likewise.
6236 * recog.c (offsettable_address_p): Likewise.
6237 * regclass.c (record_address_regs): Likewise.
6238 * reload.c (find_reusable_reload): Likewise.
6239 (push_reload): Likewise.
6240 (operands_match_p): Likewise.
6241 (decompose): Likewise.
6242 (find_reloads_address_1): Likewise.
6243 (find_inc_amount): Likewise.
6244 * reload1.c (elimination_effects): Likewise.
6245 * resource.c (mark_set_resources): Likewise.
6246 * flow.c (attempt_auto_inc): New function; mostly broken out
6248 (find_auto_inc): Split into two functions and enhanced to
6249 generate POST_MODIFY.
6250 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
6251 * rtl.h (count_all_occurrences): Declare.
6252 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
6254 * rtlanal.c (count_all_occurrences): New function.
6255 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
6256 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
6258 * config/ia64/ia64-protos.h (destination_operand): Declare.
6259 * config/ia64/ia64.c (destination_operand): New function.
6260 (ia64_print_operand): Handle POST_MODIFY.
6261 (rtx_needs_barrier): Likewise.
6262 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
6263 (HAVE_POST_MODIFY_REG): Define to 1.
6264 (MAX_REGS_PER_ADDRESS): Change to 2.
6265 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
6266 (LEGITIMATE_ADDRESS_REG): New helper macro.
6267 (LEGITIMATE_ADDRESS_DISP): Likewise.
6268 (PREDICATE_CODES): Add entry for destination_operand.
6269 * config/ia64/ia64.md (all mov patterns): Use destination_operand
6270 predicate for operand 0.
6272 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6274 * dwarf2out.c: Indent #error directive.
6276 * gbl-ctors.h: Fix typo in comment.
6277 (__do_global_ctors): Prototype.
6279 * gcse.c (record_one_set, pre_delete): Remove unused variables.
6281 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
6282 (print_operand): Initialize variable `t'.
6284 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
6286 * config/arm/arm.md ("call_value"): removed constraints.
6287 Constraints are ignored in expanders.
6288 (*call_value_reg): split =rf into various constraints.
6289 (*call_value_mem): same
6290 (*call_value_symbol): same
6291 (*sibcall_value_insn): same
6293 2000-07-28 Philipp Thomas <pthomas@suse.de>
6295 * install.texi (--enable-nls): Change the description of the NLS
6296 related configure options to match the current state.
6297 (--with-included-gettext): Likewise.
6298 (--enable-maintainer-mode): New description added.
6299 * extend.texi (-fstrict-prototype): Add missing '.'.
6301 2000-07-27 Jim Wilson <wilson@cygnus.com>
6303 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
6304 DECL_INITIAL (decl) == NULL_TREE.
6306 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
6308 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
6309 on insn-attr.h with it.
6310 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
6311 * insn-addr.h: New header.
6312 (insn_addresses_): Renamed from insn_addresses.
6313 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
6314 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
6315 INSN_ADDRESSES_NEW): New macros.
6316 * genattrtab.c (write_test_expr): Use new macros.
6317 * final.c (insn_addresses, init_insn_lengths): Likewise.
6318 (align_fuzz, shorten_branches): Likewise.
6319 (final): Likewise. Do not reject new insns if their addresses
6320 have been added to INSN_ADDRESSES.
6321 * config/arm/arm.c, config/avr/avr.c: Use new macros.
6322 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
6323 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
6324 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
6325 * config/sh/sh.c: Likewise.
6326 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
6328 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
6330 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
6332 * gcc.c (struct prefix_list): Add member priority.
6333 (enum path_prefix_priority): Declare.
6334 (add_prefix): Replace ``first'' with ``priority''. Append new
6335 entry but keep list in priority order.
6336 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
6337 PREFIX_PRIORITY_LAST to add_prefix.
6338 (process_command): Move include kludge - foo/stageN - to before
6341 2000-07-27 Jason Merrill <jason@redhat.com>
6343 * dwarf2out.c (gen_typedef_die): Abort if we get identical
6344 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
6346 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
6348 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
6349 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
6351 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
6353 * c-decl.c (finish_function): Don't treat 'main' specially unless
6354 flag_hosted. In C99 mode, return 0 from 'main' unless
6355 DEFAULT_MAIN_RETURN is otherwise defined.
6357 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
6358 parameters defaulting to int in an old-style function definition.
6360 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6362 * c-parse.in (string): For -Wtraditional, warn about string
6363 concatenation only once per line.
6365 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
6367 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
6368 for HI-UX/WE2 systems.
6370 2000-07-24 Bruce Korb <bkorb@gnu.org>
6372 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
6373 defining the __xxx_TYPE__ macros.
6374 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
6375 * fixincl/fixlib.h: don't need to include "tm.h" anymore
6376 * fixincl/inclhack.def(type_map): now obsolete
6378 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
6380 * cpp.texi: Append a trailing full-stop to xrefs where needed.
6382 2000-07-26 Dave Pitts <dpitts@cozx.com>
6384 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
6386 (mvs_hash_alias): New function.
6387 (mvs_add_alias): Change argument spacing.
6388 (mvs_need_alias): Change aliasing criteria. Added documentation.
6389 (mvs_get_alias): Change to use hashed name. The hashed name prevents
6390 CSECT name collisions.
6391 (mvs_check_alias): Likewise.
6392 (handle_pragma): Change documentation.
6393 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
6394 mode from SImode to DImode.
6395 (iorhi3): Changed LTORG size for insn.
6397 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
6399 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
6400 mem if the address is a mode_dependent_address_p.
6402 2000-07-26 Kazu Hirata <kazu@hxi.com>
6404 * h8300.c (print_operand): Print ":8" when the 'R' operand is
6405 suitable for 8-bit absolute.
6406 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
6407 (OK_FOR_U): Add a case for the 8-bit constant address on the
6410 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
6412 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
6413 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
6414 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
6415 lack of implemented alignment.
6417 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
6419 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
6420 cross-compiling between 64-bit and 32-bit machines.
6422 2000-07-27 Richard Henderson <rth@cygnus.com>
6424 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
6425 (movhicc_astep, movhi_internal_astep): New.
6426 (movsicc_astep, movsi_internal_astep): New.
6427 (movdicc_astep, movdi_internal_astep): New.
6428 (movsfcc_astep, movsf_internal_astep): New.
6429 (movdfcc_astep, movdf_internal_astep): New.
6430 (movxfcc_astep, movxf_internal_astep): New.
6431 (cmovdi_internal_astep, cmovsi_internal_astep): New.
6432 Unify the cmov[ds]i splitters.
6434 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
6436 * real.c (asctoeg): Rename `error' label to unexpected_char_error
6438 2000-07-26 Nick Clifton <nickc@cygnus.com>
6440 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
6441 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
6443 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
6444 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
6446 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
6448 * c-decl.c (finish_enum): Convert enumerations that fit in an
6450 (build_enumerator): In pedantic mode, cast to `int' those that
6453 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
6455 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
6457 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6459 * sh.md (cmpgtdi_t): Must be split.
6460 (cmpgtdi_t+1): New splitter.
6462 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
6464 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
6465 warnings for indented directives even if we are skipping.
6467 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
6469 * invoke.texi (strict-prototypes): Remove.
6470 * extend.texi (Deprecated Features): Add strict-prototypes.
6471 (Backwards Compatibility): New node.
6473 2000-07-25 Jakub Jelinek <jakub@redhat.com>
6475 * config/i386/i386.md (andsi_1+1): Allow HImode.
6476 (andsi_1+2): Require q_regs_operand.
6478 2000-07-25 Jakub Jelinek <jakub@redhat.com>
6480 * config/i386/i386.md (call_pop): Check operands[0],
6481 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
6483 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
6484 (call_value): Likewise.
6486 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
6488 * toplev.c (pipe_closed): Delete.
6489 (crash_signal): New. Generate ICE for a fatal signal.
6490 (float_signal): Call crash_signal outside a float-handler
6492 (main): Install crash_signal as handler for core-dumping signals.
6494 2000-07-25 David Edelsohn <edelsohn@gnu.org>
6496 * rs6000.c (print_operand, case 'T'): New case.
6498 * rs6000.md (call_indirect_aix32): Convert to expander of
6499 scheduled instructions.
6500 (call_indirect_aix64): Likewise.
6501 (call_value_indirect_aix{32,64}): Likewise.
6502 (call, call_value): Invoke expanders for AIX. Fall through to
6504 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
6505 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
6506 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
6507 only "g" constraint.
6508 (call_nonlocal_aix64): Likewise.
6509 (call_value_nonlocal_aix{32,64}): Likewise.
6510 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
6512 (call_value_nonlocal_sysv): New pattern.
6513 (indirect_jump{si,di}): Use new 'T' modifier.
6514 (tablejump{si,di} matchers): Likewise.
6515 (return_internal_{si,di}): Likewise.
6516 (return_eh_{si,di}): Likewise.
6518 2000-07-24 Richard Henderson <rth@cygnus.com>
6520 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
6521 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
6522 * config/ia64/ia64.md (movdi_internal): Use it.
6524 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
6526 * cppexp.c: Warn about unary + if -Wtraditional.
6527 * cpplex.c (lex_line): Always set BOL on the first token of a line.
6529 2000-07-24 Michael Meissner <meissner@redhat.com>
6531 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
6534 2000-07-24 Nick Clifton <nickc@cygnus.com>
6536 * config/arm/arm.c (emit_multi_reg_push): Generate a
6537 REG_FRAME_RELEATED_NOTE that is compatable with the code in
6538 dwarf2out_debug_frame_expr.
6540 2000-07-24 Jason Merrill <jason@redhat.com>
6542 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
6543 UNALIGNED_INT_ASM_OP.
6544 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
6545 a location expression.
6546 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
6547 assume indirect access if we're saving the CFA address exactly.
6549 * Makefile.in (bootstrap): Move -BstageN/ to the end.
6551 2000-07-24 Jakub Jelinek <jakub@redhat.com>
6553 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
6556 2000-07-24 Michael Meissner <meissner@redhat.com>
6558 * invoke.texi (D30V Options): Add d30v options.
6560 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
6562 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
6563 needed by our gcse pass anymore.
6564 (free_pre_mem): Corresponding changes.
6565 (compute_pre_data): Do not call compute_transpout anymore.
6567 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
6568 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
6571 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
6572 (compute_pre_data): Do it here instead.
6574 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
6576 (pre_delete): Corresponding changes.
6578 2000-07-23 Mark Mitchell <mark@codesourcery.com>
6580 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
6581 to figure out whether or not a variable has already been emitted.
6583 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
6585 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
6586 instead of gen_call.
6588 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
6590 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
6592 2000-07-23 Kazu Hirata <kazu@hxi.com>
6594 * h8300.c: Fix formatting.
6596 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
6598 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
6599 for `long' switch expression into a plain warning.
6601 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
6602 (yylex): Don't pedwarn for "inline" in C99 mode.
6604 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
6606 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
6607 ggc_alloc): Likewise.
6608 * bb-reorder.c (dump_scope_forest_1): Likewise.
6610 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
6612 * reload.c (find_reloads_toplev): Add new parameter
6614 (find_reloads): Add new parameter to find_reloads_toplev calls.
6616 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
6618 * collect2.c (main): Typo fixed.
6619 * diagnostic.c: Typo fixed.
6620 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
6621 * eh-common.h: Typo fixed.
6622 * emit-rtl.c (start_sequence): Typo fixed.
6623 * flow.c (find_label_refs): Typo fixed.
6624 (calculate_global_regs_live): Typo fixed.
6625 (mark_regno_cond_dead): Typo fixed.
6626 (create_edge_list): Typos fixed.
6627 (verify_edge_list): Typo fixed.
6628 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
6629 * loop.c (strength_reduce): Typo in function name fixed.
6630 * rtl.h: Added comments. Typo in function name fixed.
6631 * rtlanal.c: Typo in function name fixed.
6632 (insn_dependant_p): Rename to ...
6633 (insn_dependent_p): ... this.
6634 (computed_jumo_p): Typo fixed.
6636 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6638 * system.h (__FUNCTION__): Wrap definition in #ifndef.
6640 2000-07-21 David Edelsohn <edelsohn@gnu.org>
6642 * rs6000.h (SIZE_TYPE): Define.
6644 2000-07-21 Mark Mitchell <mark@codesourcery.com>
6646 * ssa.c (rename_insn_1): Don't rename registers that are
6649 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
6651 * diagnostic.c (trim_filename, fancy_abort): Moved here from
6653 (fatal_function, set_fatal_function): Removed.
6654 (fatal): Don't prepare for or call the fatal_function.
6655 (diagnostic_lock, error_recursion): New.
6656 (diagnostic_for_decl, report_diagnostic): Guard against
6657 re-entering the error reporting routines.
6658 (fancy_abort): Assume function is not NULL.
6660 * errors.c (fancy_abort): New. Assume function is not NULL.
6661 * tradcpp.c (fancy_abort): Assume function is not NULL.
6663 * system.h: Provide default definition of __FUNCTION__.
6664 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
6665 Always use __FUNCTION__ in definition of abort.
6667 * varray.h: Likewise.
6668 * toplev.h: Likewise. Don't prototype set_fatal_function.
6670 2000-07-20 Geoff Keating <geoffk@cygnus.com>
6672 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
6674 * glimits.h: Don't do #if defined for ARCH_PPC.
6676 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
6677 constants of size no larger than a pointer should go in the TOC.
6678 Add 'MODE' parameter.
6679 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
6680 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
6681 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
6682 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
6683 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
6684 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
6685 (rs6000_legitimize_address): Likewise.
6686 (rs6000_emit_move): Likewise.
6687 (rs6000_select_rtx_section): Likewise.
6688 (output_toc): Deal properly with outputting small constants like
6689 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
6690 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
6691 MODE parameter. Put small constants in the TOC.
6693 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
6695 (rs6000_emit_move): When reload calls us with an illegitimate
6696 address, exit early. Move the change_address calls to one place
6697 at the end of the routine. Merge the SImode and DImode expanders.
6698 When called by reload to put an integer into a FP register, force
6701 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
6703 (rs6000_hash_constant): Hash mode too.
6704 (toc_hash_function): Allow for key_mode.
6705 (toc_hash_eq): Structures are different if key_mode differs.
6706 (output_toc): Add 'mode' parameter. Save key_mode.
6707 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
6708 Pass 'mode' parameter.
6709 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
6711 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
6712 for vtable references.
6714 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
6715 choice, don't put integer values in FP regs.
6717 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
6719 * flow.c (verify_flow_info): Revamp code to verify that the
6720 head and end of each basic block are in the insn chain.
6722 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
6724 * gcse.c (record_one_set): Prepend instead of append onto
6725 reg_set_table, making it O(n) instead O(n^2).
6726 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
6727 Use a queue instead of a stack as worklist.
6729 2000-07-20 Kazu Hirata <kazu@hxi.com>
6731 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
6732 * h8300.h (OK_FOR_T): New.
6733 (EXTRA_CONSTRAINT): Support OK_FOR_T.
6734 * h8300.md: Use inc/dec.[wl] for increment/decrement
6735 by 1 and 2 in HI and SI modes.
6737 2000-07-20 Jim Wilson <wilson@cygnus.com>
6739 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
6740 larger than 14 bits.
6742 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
6744 * cppmacro.c (CAN_PASTE_AFTER): New macro.
6745 (count_params): Don't set GNU_REST_ARGS on anything.
6746 (save_expansion): Set PASTE_LEFT only on tokens for which
6747 CAN_PASTE_AFTER is true, or which are named operators.
6749 * cpplex.c (parse_args): Distinguish between a rest argument
6750 given one empty argument, and a rest argument given zero arguments.
6751 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
6752 deletion of previous token based on that.
6753 (get_raw_token): Flatten some control structure.
6755 * cpplib.h (CPP_LAST_EQ): Correct.
6756 (VOID_REST): New token flag.
6757 (GNU_REST_ARGS): Delete.
6759 * tradcpp.c (main): Don't munge -D options.
6760 (make_definition): Bring -D handling in line with cpplib.
6761 (do_define): Strip all leading whitespace from macro definitions.
6763 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
6765 * Makefile.in (tradcpp): Depend on intl.o and version.o.
6767 2000-07-20 Bruce Korb <bkorb@gnu.org>
6769 * fixincl/check.tpl: strip the platform specific types before testing
6770 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
6771 * fixincl/fixincl.tpl: use platform specific types
6772 * fixincl/fixlib.h: include the platform specific types
6773 * fixincl/inclhack.def(gnu_types): don't supply the types
6774 * fixincl/fixincl.x: regen
6776 2000-07-19 Jim Wilson <wilson@cygnus.com>
6778 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
6781 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
6783 * tradcpp.c (rescan): Do not recognize directives when the #
6786 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
6788 Implement C++ named operators.
6790 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
6791 of operators allowed in #if and having an _EQ variant. Add
6792 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
6793 (cpp_token flags): Add NAMED_OP.
6794 (enum node_type): Add T_OPERATOR.
6795 (struct cpp_hashnode): Add code slot to value union.
6796 * cpphash.h (spec_nodes): Remove n_defined.
6798 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
6799 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
6800 (is_macro_disabled): Tweak error messages.
6802 * cpplib.c (get_define_node): Disallow all named operators as
6803 macro names. Tweak error messages.
6804 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
6806 * cppinit.c (builtin_array): Add entries for the named operators.
6807 * cppexp.c (lex): Check for CPP_DEFINED token.
6808 (priority table): Add entries for CPP_MIN and CPP_MAX.
6809 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
6811 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
6813 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
6814 larger than the array of cuids.
6815 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
6818 2000-07-19 Bruce Korb <bkorb@gnu.org>
6820 * fixinc/fixincl.c: Convert to using a table of environment variables
6821 and activate the auto-edit marker on the fixed output files.
6822 * fixinc/fixlib.h: Define the environment table
6823 * fixinc/fixincl.sh: export the ${INPUT} dir
6824 * fixinc/check.tpl: likewise
6826 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
6828 * gcc.c (.h spec): Fix typo.
6830 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
6832 * Makefile.in: Fix tradcif.c path.
6834 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
6836 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
6839 * cpphash.h (TOKEN_NAME): New macro.
6840 (_cpp_spell_operator): Deleted.
6841 (token_spellings): Now _cpp_token_spellings.
6843 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
6844 * cpplex.c: Use OP and TK macros when expanding the
6845 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
6846 store the stringification of the enumeration name (CPP_CHAR,
6847 etc.) in the name slot of token_spellings.
6848 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
6849 token_spellings directly.
6850 * cpplib.c: Use TOKEN_SPELL.
6852 * cpplex.c (_cpp_push_token): If the token being pushed back
6853 is the previous token in this context, just subtract one from
6855 * cppmacro.c (save_expansion): Clear aux field when storing a
6858 2000-07-18 Jakub Jelinek <jakub@redhat.com>
6860 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
6861 buffer, provided it is not NULL.
6863 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
6865 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
6866 case of invalid volatile re-declaration.
6868 2000-07-18 Jakub Jelinek <jakub@redhat.com>
6870 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
6871 (expand_call): Adjust caller.
6873 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
6875 * diagnostic.h (report_diagnostic): Change prototype.
6877 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
6878 diagnostic_for_decl): Change prototype.
6879 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
6880 error, warning, error_with_file_and_line,
6881 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
6882 Adjust call to report_diagnostic, diagnostic_for_decl.
6883 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
6884 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
6886 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
6887 varaible argument list.
6889 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
6891 * cpphash.c: Don't include hashtab.h. Most macro-handling code
6892 moved to cppmacro.c.
6893 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
6894 dump_hash_helper): Delete.
6895 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
6896 cpp_forall_identifiers): New. Implement specialized version of
6897 Vlad's expandable hash table.
6898 (cpp_lookup): Use new functions.
6899 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
6901 * cppmacro.c: New file.
6902 * cppinit.c (dump_macros_helper): New.
6903 (cpp_finish): Iterate over the identifier table directly.
6904 * cpplex.c (parse_name): Calculate the hash of the identifier
6905 while we scan it. Use _cpp_lookup_with_hash when we can.
6907 * cpphash.h: Update prototypes.
6908 (xcnewvec, HASHSTEP): New helper macros.
6909 * cpplib.h: Update prototypes.
6910 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
6911 (cppmacro.o): New rule.
6912 (cpphash.o): Update deps.
6914 * cppmain.c: Do not set pfile->printer if no_output is on.
6916 2000-07-15 Neil Booth <neilb@earthling.net>
6918 * cpplib.c: Change all directive-handler functions to return
6920 * cpphash.h: Update typedefs.
6922 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
6924 * configure: Regenerate.
6926 * extend.texi (Extended Asm): Mention that a memory clobber
6927 does not count as a side-effect.
6929 * unroll.c (copy_loop_body): Fix one instance of using host
6930 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
6933 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
6935 2000-07-17 Richard Henderson <rth@cygnus.com>
6937 * config/ia64/ia64.md (movdi): Split out load address code.
6938 New post-reload splitter for symbolic operands.
6939 (movdi_internal): Abort if we didn't split symbolic operands
6940 when we should have.
6941 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
6942 (ia64_reorg): Split insns when not optimizing.
6943 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
6945 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
6947 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
6948 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
6950 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
6952 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
6954 2000-07-17 Jason Merrill <jason@redhat.com>
6956 * Makefile.in (clean): Remove libgcc directory.
6958 * configure.in (-Wno-long-long check): Use higher-level macros.
6960 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
6962 * simplify-rtx.c (simplify_binary_operation): Recognize
6963 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
6964 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
6965 a CONST_INT, it will always be zero.
6967 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
6969 * loop.c (check_dbra_loop) : Return if more than one condition is
6970 present to control the loop.
6972 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
6974 * mips.c (mips_expand_prologue): Don't calculate the last argument
6975 register unless we need it. When we are calculating this, make
6976 sure FUNCTION_ARG is giving us a REG.
6978 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6980 * flow.c (libcall_dead_p): Use single_set to verify the insn
6981 has only one set and get for analysis.
6982 (propagate_one_insn): Don't pass the PATTERN of the insn.
6984 2000-07-17 Mark Klein <mklein@dis.com>
6986 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
6988 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6990 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
6991 * configure.in (TARGET_GETGROUPS_T): Evaluate.
6992 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
6993 of second argument of getgroups.
6994 * configure, config.in: Rebuilt.
6996 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
6998 * simplify-rtx.c (simplify_relational_operation): Two signed
6999 values with equal high words are less/greater than each other if
7000 their low words are less/greater when considered as unsigned.
7002 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
7004 * configure.in (vax-*-openbsd): Change to new style configuration,
7005 add collect2/float_format information.
7006 * configure: Rebuilt.
7007 * config/vax/openbsd1.h: New.
7008 * config/vax/openbsd.h: New.
7009 * config/vax/t-openbsd: New.
7011 2000-07-17 Chip Salzenberg <chip@valinux.com>
7013 * c-common.c (shorten_compare): Quiet warnings about unsigned
7014 comparisons with zero when they occur in a system header.
7016 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7018 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
7019 update to describe current practice.
7021 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
7023 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
7024 references to C9X. Change references to -fstd and -flang-isoc9x
7027 * c-common.c (scan_char_table): Allow "z" length modifiers on
7029 (check_format_info): Use TYPE_DOMAIN on the type matched against
7030 for "z" formats, to retrieve the language size_t rather than the
7033 * c-common.c (check_format_info): Do not make a pedantic objection
7034 to the 'L' length modifier if used with a floating point type
7037 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
7038 constants in C99 mode.
7040 2000-07-17 Kazu Hirata <kazu@hxi.com>
7042 * h8300.md: Fix the format of mac.
7043 (movsi_h8300hs): Output a tab after stmac instead of a space.
7045 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
7046 profitable adds/subs sequences.
7048 * fold-const.c: Fix comment typos.
7050 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
7052 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
7054 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7056 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
7058 2000-07-16 Neil Booth <NeilB@earthling.net>
7060 * cpplex.c: Update comments.
7061 * README.Portability: Small update.
7063 2000-07-16 Neil Booth <NeilB@earthling.net>
7065 * README.Portability: Small update.
7067 2000-07-15 Richard Henderson <rth@cygnus.com>
7069 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
7070 * config/ia64/ia64.c (ia64_move_ok): New function.
7071 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
7072 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
7074 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
7076 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
7077 immediately following a paste operator.
7078 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
7079 (cpp_reader_init): Call it, if HOST_EBCDIC.
7080 (cpp_handle_options): Do not sort option list here.
7081 (handle_option): Rename to cpp_handle_option and export.
7082 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
7083 _cpp_get_token directly.
7084 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
7085 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
7086 * cpplib.h: Prototype cpp_handle_option. Update prototype of
7089 2000-07-15 Richard Henderson <rth@cygnus.com>
7091 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
7092 cast around an expression. Tidy other unsigned tests.
7094 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
7096 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
7097 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
7098 (v_message_with_decl): Rename to ...
7099 (format_with_decl): ... this. Tweak
7100 (diagnostic_for_decl): New function.
7101 (fatal_io_error): Use verbatim in lieu of notice.
7102 (announce_function): Use verbatim.
7103 (default_print_error_function): Likewise.
7104 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
7107 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7109 * mips.c (function_arg_pass_by_reference): Don't do automatic
7110 aggregate initialization.
7111 (machine_dependent_reorg): Initialize variable `mode'.
7113 * mips.md (absdi2): Change variable `regno1' to unsigned int.
7114 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
7115 conflicts with sys/param.h macro of the same name.
7116 (reload_outdi): Likewise.
7118 2000-07-15 Michael Meissner <meissner@redhat.com>
7120 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
7121 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
7122 create a new node instead.
7124 2000-07-15 Neil Booth <NeilB@earthling.net>
7126 * README.Portability: Correct example about calling a function
7127 through a pointer to function. Format wide paragraphs.
7129 2000-07-15 Michael Meissner <meissner@redhat.com>
7131 * README.Portability: Update integer suffixes and function
7134 2000-07-15 Neil Booth <NeilB@earthling.net>
7136 * README.Portability: Small update.
7138 2000-07-15 Neil Booth <NeilB@earthling.net>
7140 * README.Portability: New file.
7142 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
7144 * INSTALL: Give special instructions for building GCC on Irix 6.
7145 * config/mips/x-iris6 (CC): Don't set it.
7148 2000-07-14 Jason Merrill <jason@redhat.com>
7150 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
7151 register in the stack and later in another register, use the new
7154 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
7156 * config/mips/mips.md: (absdi2): Handle sign_extend for
7159 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
7161 * cpplib.c (do_pragma_dependency): Tidy warning messages.
7163 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
7165 * .cvsignore: Correct typo.
7167 2000-07-13 Mark Mitchell <mark@codesourcery.com>
7169 * .cvsignore: Add generated YACC files.
7170 * objc/.cvsignore: New file.
7172 2000-07-14 Neil Booth <NeilB@earthling.net>
7174 * cpplex.c (adjust_column): New funcion.
7175 (skip_whitespace): Use it.
7176 (skip_block_comment): Use it, and warn about /*/* with
7179 2000-07-14 Neil Booth <NeilB@earthling.net>
7181 * cpphash.c (struct macro_info): Add new members.
7182 (_cpp_free_definition): Delete the macro directly.
7183 (count_params): Return void, with first token of
7184 expansion in struct macro_info on success.
7185 (parse_define): Return int. Hoist syntax checking from
7186 save_macro_expansion. Leave call to save_expansion to
7187 _cpp_create_definition.
7188 (alloc_macro): Needs just 2 arguments.
7189 (free_macro): Delete.
7190 (save_expansion): Don't perform syntax check.
7191 (_cpp_create_definition): Call save_expansion.
7193 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7195 * genrecog.c (write_header): Split long string.
7197 * cpphash.c (macro_info): Don't use the `signed' keyword.
7199 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
7201 2000-07-13 Jakub Jelinek <jakub@redhat.com>
7203 * calls.c (stored_args_map): New variable.
7204 (check_sibcall_argument_overlap_1): New.
7205 (check_sibcall_argument_overlap): New.
7206 (expand_call): Initialize stored_args_map.
7207 Call check_sibcall_argument_overlap.
7209 2000-07-13 Bruce Korb <bkorb@gnu.org>
7211 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
7212 (emit_gnu_type): utility procedure for gnu_type_fix
7213 (gnu_type_fix): implement various pre-processor guards around
7214 standard types so these types can be defined over and over
7215 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
7216 types alluded to above will have GNU-compliant base types
7217 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
7218 * fixinc/inclhack.def: add test_text entries and utilize the new
7219 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
7220 * fixinc/fixincl.x: regenerate
7222 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7224 * diagnostic.c (vline_wrapper_message_with_location,
7225 v_message_with_file_and_line, v_error_with_file_and_file,
7226 v_error_for_asm, v_warning_for_asm, vfatal,
7227 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
7228 vsorry, verror, vwarning, vpedwarn): Remove.
7229 (diagnostic_for_asm): New function.
7230 (pedwarn, error, warning, pedwarn_with_file_and_line,
7231 error_with_file_and_line, warning_with_file_and_line, sorry,
7232 error_for_asm, warning_for_asm, fatal): Reimplement.
7233 (finish_diagnostic): Clear diagnostic info as well.
7235 2000-07-13 Neil Booth <NeilB@earthling.net>
7237 * c-common.h (flag_digraphs): New.
7238 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
7239 * c-lex.c (yylex): Use flag_digraphs to decide whether to
7242 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
7244 * gcc.c (do_spec_1): Add new %B operator.
7245 (set_input): Prepare for %B.
7247 (link_command_spec): Move up with the other tm.h-
7248 overrideable specs. Factor out the portion conditional on
7249 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
7250 (struct compiler): Just have a single spec string. All users
7252 (default_compilers): Remove unnecessary braces.
7253 (static_specs): Update.
7255 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
7257 (C and assembly specs): Use the new named specs, as appropriate.
7259 * objc/lang-specs.h: Use the new named specs.
7260 Remove unnecessary braces.
7262 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7264 * gcc.c (execute): If a subprocess gets a fatal signal, report
7265 strsignal() of the signal number, and ask for a bug report.
7266 Do not do this for SIGPIPE if there's already been an error.
7268 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
7271 * tradcif.c: Remove.
7273 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7275 * final.c (profile_function): Do not emit profile counters in
7276 the data section, if NO_PROFILE_COUNTERS is defined.
7277 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
7280 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
7281 (FUNCTION_PROFILER): Just emit a call to mcount.
7283 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7285 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
7287 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
7288 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
7289 traditional, lang_chill, or lang_fortran.
7291 * cppfiles.c: #undef strcmp to suppress warning about macros
7292 used without arguments.
7293 (_cpp_execute_include): Use f, not fname, in "No include path"
7295 (_cpp_pop_file_buffer): New function.
7296 * cpplib.c: Don't include <sys/mman.h>.
7297 (cpp_push_buffer): Set line_base and lineno in new buffer.
7298 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
7300 * cpplex.c: Move all prototypes and structure declarations to the
7301 top of the file. Properly parenthesise some macro arguments.
7302 (cpp_scan_line): New function.
7303 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
7304 don't need to walk up the stack counting.
7306 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7308 * c-common.c (combine_strings): Emit a pedantic warning when a
7309 string length is greater than the minimum ANSI C is required
7312 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
7314 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
7315 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
7317 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7319 * c-decl.c (define_label): Warn about identifier conflicts with
7320 labels in traditional C.
7322 * c-parse.in (unop +): Warn about the unary plus operator for
7325 * c-typeck.c (store_init_value): Warn about automatic aggregate
7326 initialization for traditional C.
7328 * invoke.texi (-Wtraditional): Document new warnings.
7330 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
7332 * Makefile.in (c-errors.o): Fix thinko in dependency.
7334 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7336 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
7337 -traditional, -ftraditional, or -traditional-cpp was given.
7338 Do not pass -traditional to the preprocessor.
7339 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
7340 preprocessor does it automatically.
7341 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
7343 * ch/lang-specs.h: Always use tradcpp. Do not pass
7344 -traditional, -trigraphs, or -pedantic to the preprocessor.
7345 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
7348 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7350 * cppexp.c (LOGICAL): Delete macro.
7351 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
7354 * cpphash.c (HASHSIZE): Increase to 4096.
7355 (struct hashdummy): Add hash field.
7356 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
7357 the string values using memcmp.
7358 (cpp_lookup): Set dummy.hash.
7360 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
7362 * configure.in (m88k-openbsd): Express configuration using new fragment
7364 * configure: Rebuilt.
7365 * m88k/aout-dbx.h: New.
7366 * m88k/openbsd.h: New.
7367 * m88k/xm-openbsd.h: New.
7369 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7371 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
7373 2000-07-12 Richard Henderson <rth@cygnus.com>
7375 * reload.c (push_secondary_reload): Make sure to add the new
7376 reload at the end, after acquiring secondary memory.
7378 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7380 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
7382 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
7383 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
7385 * c-parse.in (stmt): Delete unused variables.
7387 * convert.c (convert_to_vector): Likewise.
7389 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
7391 * tree.c (finish_vector_type): Prototype.
7393 2000-07-12 Bruce Korb <bkorb@gnu.org>
7395 * fixinc/fixfixes.c: use xmalloc
7396 * fixinc/fixincl.c(initialize): set program name for xmalloc
7397 * fixinc/fixlib.c(must_malloc): obsolete
7398 (is_cxx_header): no longer used - disabled
7399 (skip_quote): inserted and disabled for future use
7400 * fixinc/fixlib.h: reflects above
7401 * fixinc/fixtests.c: removed dinkleberries
7403 2000-07-12 Neil Booth <NeilB@earthling.net>
7405 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
7406 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
7408 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
7409 struct toklist_dummy): New.
7410 (cpp_free_definition): Free macros with free_macro.
7411 (count_params): Don't save paramter spellings. Save macro
7412 information in a struct macro_info.
7413 (parse_define): Don't allocate a token list.
7414 (save_expansion): Allocate the macro's token list, and
7415 save parameter spellings if necessary. Use TOKEN_SPELL.
7416 (cpp_create_definition): Make list const.
7418 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
7420 * c-typeck.c (pedwarn_c99): Move to
7421 * c-errors.c: ... Here.
7422 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
7423 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
7424 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
7425 (c-errors.o): List dependency.
7427 2000-07-12 Mark Mitchell <mark@codesourcery.com>
7429 * c-parse.c: Remove.
7430 * c-parse.h: Likewise.
7431 * c-parse.y: Likewise.
7432 * objc/objc-parse.c: Likewise.
7433 * objc/objc-pasre.y: Likewise.
7435 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
7437 * gcc.texi: Fix minor typos
7438 * extend.texi: Fix minor typos
7440 2000-07-11 Marc Espie <espie@openbsd.org>
7442 * collect2.c (main): Recognize .lo as object files.
7444 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7446 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
7449 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
7450 with MAP_ANONYMOUS and MAP_ANON.
7451 * configure, config.in: Rebuilt.
7453 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
7455 * diagnostic.c (save_output_state): Remove.
7456 (restore_output_state): Likewise.
7457 (clear_text_info): New function.
7458 (clear_diagnostic_info): Likewise.
7459 (output_text_length, is_starting_newline, output_prefix,
7460 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
7461 prefixing_policy, output_buffer_ptr_to_format_args): New macros
7462 (set_real_maximum_length, output_set_maximum_length,
7463 output_set_prefix, output_get_prefix, output_set_maximum_length,
7464 output_destroy_prefix, init_output_buffer,
7465 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
7466 output_add_newline, output_add_character, output_add_space,
7467 output_append_r, output_append, wrap_text, output_format,
7468 output_do_printf, output_printf, output_do_verbatim,
7469 output_verbatim, verbatim): Use them.
7470 (output_clear): Split into cleat_text_info and
7471 clear_diagnostic_info.
7472 (struct output_state): Move to...
7474 * diagnostic.h: ...Here
7475 (struct output_buffer): Adjust.
7477 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
7479 * cpplex.c (parse_name): No longer inline (premature optimization).
7480 (do_pop_context): Fold into pop_context.
7481 (pop_context): Returns int.
7482 (lex_next): Hoist test for end of directive into pop_context.
7483 (push_macro_context): Returns int; takes just reader and token.
7484 Hoist test for excessive nesting to caller.
7485 (push_arg_context): Returns void; takes just reader and token.
7486 Do not call stringify_arg or get_raw_token.
7487 (get_raw_token): Convert tail recursion through push_arg_context
7488 to a loop at this level. Call stringify_arg here if appropriate.
7489 (maybe_paste_with_next): Convert tail recursion to a while loop.
7490 Hoist test of paste_level to caller.
7492 (stringify_arg): Push arg context at beginning.
7493 (cpp_get_token): Split out core into _cpp_get_token. Call
7494 process_directive here. Throw away CPP_PLACEMARKER tokens.
7495 (_cpp_get_token): Convert tail recursion through
7496 push_macro_context to a loop at this level.
7497 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
7498 _cpp_get_raw_token): Use _cpp_get_token.
7499 (_cpp_skip_rest_of_line): Drop the context stack directly; do
7500 not call pop_context.
7501 (_cpp_run_directive): Call lex_next directly.
7503 * cpphash.h: Prototype _cpp_get_token.
7504 * cppexp.c (lex): Use it.
7505 * cpphash.c (parse_define): Use it.
7506 * cpplib.c (get_define_node, do_undef, parse_include,
7507 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
7508 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
7509 parse_ifdef, validate_else): Use it.
7510 (cpp_push_buffer): Tweak error message; abort if anyone tries
7511 to push a buffer while macro expansions are stacked.
7513 2000-07-11 Donn Terry <donnte@microsoft.com>
7515 * cpplex.c (free_macro_args, save_token): Cast arg of free
7516 and/or xrealloc to PTR.
7517 (_cpp_init_input_buffer): Clear all fields of the base context.
7519 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
7521 * gensupport.c (process_rtx): Make rtl checking stop
7522 complaining about the define_insn while it is being
7523 converted from a define_insn_and_split.
7525 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
7527 * config/mips/mips.c (simple_memory_operand): Access the
7528 INTVAL of the address, not it's containing MEM.
7530 2000-07-11 Bruce Korb <bkorb@gnu.org>
7532 * fixinc/fixtests.c(double_slash): obsolete
7533 (else_endif_label): likewise
7534 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
7535 (libc1_ifdefd_memx): correct initial comment
7536 and omit the #if/#endif pair from the memxxx declarations
7537 * fixinc/fixincl.x: regen
7539 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7541 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
7543 2000-07-11 Neil Booth <NeilB@earthling.net>
7547 2000-07-11 Neil Booth <NeilB@earthling.net>
7549 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
7550 (handle_option): Set digraphs according to standard.
7551 Merge OPT_lang_c89 handler with OPT_std_c89.
7553 * cpplex.c: (lex_line, can_paste): Honour digraphs in
7554 accordance with the digraphs flag.
7556 * cpplib.h: (struct cpp_options): New option digraphs.
7558 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
7559 Bruce Korb <bkorb@gnu.org>
7561 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
7562 * fixinc/fixincl.x: Regenerate.
7563 * fixinc/tests/base/testing.h: Add testcase.
7565 2000-07-10 Richard Henderson <rth@cygnus.com>
7567 * config/ia64/ia64.c (got_symbolic_operand): New.
7568 (symbolic_operand, move_operand): Revert 0701 change.
7569 * config/ia64/ia64.h (PREDICATE_CODES): Update.
7570 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
7571 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
7572 split the offset into a 14-bit low part instead of a 13-bit low part.
7573 (load_fptr): Mark the mem as unchanging.
7574 (load_symptr): Use got_symbolic_operand.
7576 2000-07-10 Nick Clifton <nickc@cygnus.com>
7578 * libgcc2.c (next_stack_level): Cast result of computation to
7579 (void **) so that the assignment does not generate a warning.
7581 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
7583 * flags.h : Add new variable flag_single_precision_constant.
7584 * toplev.c (display_help) : Add -fsingle-precision-constant option.
7585 (flag_single_precision_constant): New.
7586 * c-lex.c (yylex): Convert floating point constant to single
7588 * invoke.texi : Add documentation for this new option.
7590 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
7592 * diagnostic.c (output_octal): Second parameter is unsigned.
7593 (output_long_octal): Likewise.
7594 (output_hexadecimal): Likewise.
7595 (output_long_hexadecimal): Likewise.
7596 (output_format): Adjust arguments extraction. Tweak.
7597 (output_verbatim, verbatim): End variable argument list.
7598 (report_diagnostic): Improve documentation.
7600 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
7602 * c-common.h (build_stmt): Declare.
7603 (build_continue_stmt): Likewise.
7604 (build_break_stmt): Likewise.
7605 (build_return_stmt): Likewise.
7607 * c-decl.c (do_case): Rewrite to do what previously done in
7610 * c-semantics.c (build_stmt): Define.
7611 (build_return_stmt): Likewise.
7612 (build_break_stmt): Likewise.
7613 (build_continue_stmt): Likewise.
7614 (build_case_label): Likewise.
7616 * c-parse.in (BREAK): Change to build tree, then generate RTL.
7617 (CONTINUE): Likewise.
7620 (DEFAULT): Likewise.
7622 * c-parse.y: Regenerate.
7623 * c-pasre.c: Likewise.
7625 2000-07-09 Jason Merrill <jason@redhat.com>
7627 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
7629 * tree.h (STRIP_NOPS): Check for error_mark_node.
7630 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
7631 (dwarf2out_*): Remove duplicate declarations.
7633 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
7634 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
7636 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
7638 * diagnostic.c (wrap_text): New function.
7639 (maybe_wrap_text): Likewise.
7640 (output_add_string): Use it.
7641 (output_format): Likewise.
7642 (count_error): Use verbatim instead of notice.
7643 (report_error_function): Likewise. Don't use plain fprintf.
7644 (finish_diagnostic): New function.
7645 (output_do_verbatim): Tweak. Commonalize functionalities in
7646 output_verbatim and verbatim.
7647 (output_verbatim): Adjust.
7648 (verbatim): Likewise.
7649 (report_diagnostic): Define.
7651 * diagnostic.h (report_diagnostic): Prototype.
7653 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
7655 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
7657 2000-07-09 Neil Booth <NeilB@earthling.net>
7659 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
7660 IShspace, ISspace: Update.
7662 * cppinit.c: ISTABLE: Update.
7665 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
7666 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
7667 (skip_block_comment, skip_line_comment, parse_string,
7668 lex_line): Use is_vspace rather than IS_NEWLINE.
7669 (skip_whitespace, lex_line): Clean up to use is_nvspace.
7670 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
7672 (lex_next): Unconditionally stop if within a directive.
7673 Treat directives within macro invocations as directives
7674 (after parse_args emits error), not as the argument.
7676 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
7678 * diagnostic.c (diagnostic_args): New macro.
7679 (diagnostic_msg): Likewise.
7680 (output_formatted_integer): Likewise.
7681 (output_state): New data type.
7682 (digit_buffer): Make global.
7683 (output_add_integer): Rename to output_decimal. Squeeze
7685 (output_long_decimal, output_unsigned_decimal,
7686 output_long_unsigned_decimal, output_octal, output_long_octal,
7687 output_hexadecimal, output_long_hexadecimal): New functions.
7688 (output_append_r): New function.
7689 (output_append): Tweak.
7690 (output_flush_on): Rename to output_to_stream.
7691 (output_format): Change prototype. Improve documentation. Handle
7692 more format specifiers.
7693 (build_location_prefix): Rename to context_as_prefix.
7694 (output_notice): Rename to output_do_printf.
7695 (output_printf): Tweak.
7696 (line_wrapper_printf): Likewise.
7697 (vline_wrapper_message_with_location): Adjust call to renamed
7699 (v_message_with_decl): Likewise.
7700 (default_print_error_function): Likewise.
7701 (save_output_state): New function.
7702 (restore_output_state): Likewise.
7703 (output_do_verbatim): Likewise.
7704 (output_verbatim): Define.
7705 (verbatim): Likewise.
7707 * diagnostic.h (printer_fn): Change return type from void to int.
7708 Improve documentation.
7709 (output_add_integer): Rename to output_decimal.
7710 (output_flush_on, output_format): Don't export.
7711 (output_verbatim, verbatim): Declare.
7713 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
7715 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
7716 Check whether c divides op1 exactly if operation is not
7719 2000-07-08 Richard Henderson <rth@cygnus.com>
7721 * final.c (final): Do not abort when reg-stack introduces
7724 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
7726 * cpplib.h (struct cpp_name): Now struct cpp_string.
7727 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
7728 CPP_HEADER_NAME): Change to type S.
7729 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
7730 field, a cpp_hashnode *. All references to val.name updated
7731 to use val.str or val.node as appropriate.
7732 (struct cpp_reader): Add spec_nodes field.
7733 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
7735 * cpphash.h (struct spec_nodes): New.
7736 (enum spell_type): Reorder. Only SPELL_STRING tokens use
7737 val.str. All references to 'spelling > SPELL_NONE' updated to
7740 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
7741 pfile->buffer->inc are not NULL before dereferencing them.
7743 * cpplex.c (parse_name): Take a pointer to the current token,
7744 plus current position and limit as args; return the new
7745 position; don't copy the text of a name into the string
7746 buffer, instead call cpp_lookup and store the node pointer.
7747 If extending a token, copy out the text of the old into a
7748 scratch buffer, append the new, look that up and store the new
7749 node pointer. Inline.
7750 (maybe_paste_with_next): If the result of paste is a NAME,
7751 then look up the pasted text and store its node pointer.
7752 (lex_line): Adjust for new parse_name interface.
7753 Check for L"str", L'str' using spec_nodes->n_L.
7754 (spell_token): SPELL_IDENT tokens have their spelling in
7755 val.node->name. Handle SPELL_STRING tokens that don't have
7757 (_cpp_expand_name_space,
7758 (can_paste): Check for L ## "str" using spec_nodes->n_L.
7759 (cpp_get_token, special_symbol): No need to call cpp_lookup.
7760 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
7761 return 1=equal 0=not, not a tristate.
7763 * cpphash.c (var_args_str): Delete.
7764 (find_param): Compare node fields directly.
7765 (is__va_args__): Use CPP_PEDANTIC. Just compare
7766 token->val.node with spec_nodes->n__VA_ARGS__.
7767 (dump_funlike_macro): Don't use var_args_str.
7769 * cpplib.c (_cpp_check_directive): Just walk through
7770 spec_nodes->dirs comparing pointers.
7771 (get_define_node, do_pragma_poison, detect_if_not_defined,
7772 parse_ifdef): The identifier has already been looked up.
7773 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
7775 (do_if): Only call detect_if_not_defined at beginning of file.
7776 (_cpp_parse_assertion): Only copy string pointers for
7777 SPELL_STRING tokens.
7778 (pragma_dispatch): Take a node pointer and examine its name
7780 (_cpp_init_stacks): Also initialize the spec_nodes structure.
7782 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
7784 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
7785 reverse order from the corresponding _cpp_init_* routines.
7787 * cppexp.c (parse_number, parse_charconst, parse_defined,
7788 lex): Check val.node->type instead of calling cpp_defined.
7789 Use spec_nodes entries where appropriate.
7791 * fix-header.c, scan-decls.c: Update for interface changes.
7793 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
7795 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
7796 emitting aux_truncdfsf2.
7798 2000-07-03 Donn Terry (donnte@microsoft.com)
7800 * cppinit.c (print_help): split overlong line into ISO C89
7803 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
7805 * cppexp.c: Update all code for new lexer interface.
7806 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
7807 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
7808 * cpplex.c (token_names): Trim leading CPP_ from names; make
7809 the strings unsigned.
7810 (_cpp_spell_operator): New.
7811 (is_macro_disabled): Disable all macros if rescanning
7813 (_cpp_get_directive_token): Remove.
7815 * cppinit.c: Don't set no_macro_expand.
7816 * cpplib.c (read_line_number, do_line): Check only for EOF,
7818 * cpphash.h: Update prototypes.
7819 * cpplib.h (CPP_VSPACE): Remove.
7820 (struct cpp_reader): Remove no_macro_expand.
7822 2000-07-08 Neil Booth <NeilB@earthling.net>
7824 * cpphash.c (is__va_args__): New function.
7825 (count_params): Fix line reported in error messages. Use
7826 is__va_args__. Don't return ')' on error. Flag GNU style
7827 rest args macro definitions.
7828 (parse_define): Check macro name is not __VA_ARGS__.
7829 (save_expansion): Check identifier in non-varargs-macro is
7830 not __VA_ARGS__. Don't flag GNU_VARARGS.
7831 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
7832 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
7833 than per-token GNU_VARARGS.
7834 * cpplib.h (GNU_VARARGS): Remove.
7835 (GNU_REST_ARGS): New.
7837 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7839 * i386.md (call_pop, call, call_value_pop): Do not set
7840 current_function_uses_pic_offset_table for calls to static
7841 functions or indirect calls.
7843 2000-07-07 Jim Wilson <wilson@cygnus.com>
7845 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
7846 is_predicate_reg, then take max write_count of register pair.
7848 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7850 * tradcpp.c (main): Rename label `include' to `add_include' to
7851 avoid conflicts with variable `include' in traditional C.
7853 2000-07-07 Jakub Jelinek <jakub@redhat.com>
7855 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
7857 2000-07-07 Jakub Jelinek <jakub@redhat.com>
7859 * sibcall.c (uses_addressof): Add INMEM argument, check for
7860 current_function_internal_arg_pointer outside of MEM rtxs in addition
7862 (sequence_uses_addressof): Update caller.
7864 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
7866 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
7869 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7871 * system.h (UNION_INIT_ZERO): New macro for initializing union
7874 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
7876 2000-07-07 Neil Booth <NeilB@earthling.net>
7880 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
7882 * final.c (final): Detect out of bounds array access to
7883 the insn_lengths array.
7885 2000-07-07 Kazu Hirata <kazu@hxi.com>
7887 * fold-const.c (fold): Fix a comment typo.
7889 2000-07-07 Neil Booth <NeilB@earthling.net>
7891 * cpp.texi: Update to new lexer.
7893 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
7895 * tradcpp.c: New file.
7896 * tradcif.y: New file.
7897 * tradcif.c: New generated file.
7899 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
7900 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
7901 dependencies of C. Install tradcpp from install-common, in
7904 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
7906 * cppinit.c: Include cppdefault.h. Refer to
7907 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
7908 to GCC_INCLUDE_DIR and its length.
7909 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
7910 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
7911 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
7913 (include_defaults_array): Move to cppdefault.c.
7915 * cppdefault.h: New file.
7916 * cppdefault.c: New file.
7918 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
7919 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
7920 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
7923 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7925 * reload.c (push_reload): When seeing if can reuse a register,
7926 check extra registers against widest of INMODE and OUTMODE.
7928 2000-07-06 Neil Booth <NeilB@earthling.net>
7930 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
7931 based on full length of predicate.
7933 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
7935 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
7936 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
7938 2000-07-05 Kazu Hirata <kazu@hxi.com>
7940 * h8300-proto.h: Fix formatting.
7941 * h8300.c: Likewise.
7942 * h8300.h: Likewise.
7944 2000-07-05 Jim Wilson <wilson@cygnus.com>
7946 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
7949 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
7951 * invoke.texi: Fix minor typos
7952 * md.texi: Fix minor typos
7954 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
7956 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
7958 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
7960 * cpplex.c: Don't include sys/mman.h.
7961 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
7963 * cpplib.c: Include sys/mman.h and obstack.h.
7964 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
7966 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
7967 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
7968 bother freeing if stack entries (they will be freed with their buffer).
7969 (do_endif): Free if stack entries from the buffer obstack.
7970 (push_conditional): Allocate if stack entries from the buffer obstack.
7972 (find_answer): Rename to _cpp_find_answer.
7973 (do_assert, do_unassert): Update.
7975 * cpphash.h: Update prototypes.
7976 (xobnew): New convenience macro.
7977 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
7979 (struct cpp_hashnode): Remove disabled field.
7981 * cppinit.c: Don't include hashtab.h or splay-tree.h.
7982 (report_missing_guard): Moved to cppfiles.c.
7983 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
7985 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
7986 cpp_cleanup_includes. Don't destroy hashtab or
7987 all_include_files here.
7988 (cpp_finish): Use _cpp_report_missing_guards.
7990 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
7991 (_cpp_init_include_table): Rename _cpp_init_includes.
7992 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
7994 * cppexp.c (parse_assertion): Update for new name of
7997 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
7999 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
8001 * cpplib.c (do_ident): s/VSPACE/EOF/
8003 2000-07-05 Neil Booth <NeilB@earthling.net>
8005 * cpplex.c: Fix trigraph replacement within strings.
8007 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8009 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
8011 * xcoffout.c (assign_type_number): Constify.
8012 (xcoffout_source_file): Add static prototype. Don't needlessly
8013 cast away const-ness.
8015 2000-07-04 Jason Merrill <jason@redhat.com>
8017 * frame.h (frame_state): Move base_offset to end.
8019 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
8021 * calls.c (emit_library_call_value_1): Revert previous change.
8023 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
8025 * fix-header.c (struct partial_proto): Remove unnecessary fields.
8026 (recognized_extern, recognized_function, read_scan_file):
8027 Update for new scheme.
8028 (check_protection): It's still a multiple include guard even
8029 if it doesn't always trigger.
8030 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
8032 * scan.h: Declare struct cpp_token. Update prototypes.
8034 2000-07-03 Neil Booth <neilb@earthling.net>
8035 Zack Weinberg <zack@wolery.cumb.org>
8037 Complete overhaul of the lexer and macro expander.
8039 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
8040 arg, arglist, argdata, reflist, collect_objlike_expansion,
8041 collect_funlike_expansion, collect_params,
8042 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
8043 unsafe_chars, macarg, compare_defs, special_symbol,
8044 scan_arguments, stringify, funlike_macroexpand,
8045 _cpp_quote_string, monthnames): Delete.
8046 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
8047 _cpp_create_definition, _cpp_dump_definition,
8048 dump_hash_helper): Adjust.
8049 (find_param, count_params, parse_define, var_args_str,
8050 check_macro_redefinition, save_expansion): New.
8052 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
8053 parse_string, output_line_command, trigraph_replace,
8054 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
8055 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
8056 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
8057 _cpp_skip_rest_of_line): Modify.
8059 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
8060 find_position, null_warning, bump_column, expand_name_space,
8061 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
8062 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
8063 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
8064 _cpp_prescan): Delete.
8066 (dump_param_spelling, process_directive, lex_next,
8067 is_macro_disabled, stringify_arg, expand_context_stack,
8068 output_token, make_string_token, alloc_number_token,
8069 special_symbol, duplicate_token, maybe_paste_with_next,
8070 can_paste, prevent_macro_expansion, restore_macro_expansion,
8071 get_temp_token, release_temp_tokens, quote_string,
8072 token_names, token_spellings, _cpp_expand_name_space,
8073 _cpp_glue_header_name, _cpp_reserve_name_space,
8074 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
8075 placemarker_token, eof_token, cpp_context, macro_args,
8076 get_raw_token, parse_arg, parse_args, save_token,
8077 push_arg_context, push_macro_context, pop_context,
8078 do_pop_context, free_macro_args, _cpp_get_line,
8079 _cpp_run_directive): New.
8081 * cpplib.c (validate_else, parse_include, push_conditional,
8082 pass_thru_directive, read_line_number, parse_ifdef,
8083 detect_if_not_defined, _cpp_check_directive, do_define,
8084 do_undef, do_include, do_import, do_include_next, do_error,
8085 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
8086 top_pragmas, do_pragma_gcc, do_pragma_implementation,
8087 do_pragma_poison, do_pragma_system_header,
8088 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
8089 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
8090 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
8091 cpp_defined): Update for new scheme.
8092 (strtoul_for_line, get_define_node, dump_macro_name,
8093 _cpp_check_linemarker, _cpp_parse_assertion): New.
8094 (_cpp_handle_directive, do_pragma_default): Delete.
8096 * cpphash.h (struct predicate): Now struct answer.
8097 (enum spell_type, struct token_spelling, struct directive,
8098 directive_handler): New.
8099 Update prototypes. Remove unused macros.
8100 * cpplib.h: Update prototypes. Remove unused macros,
8101 structure definitions, and fields.
8103 * cpperror.c (print_containing_files, v_message): Adjust.
8104 * cppexp.c (parse_assertion, lex, parse_escape,
8105 _cpp_parse_expr): Adjust.
8106 * cppfiles.c (open_include_file, _cpp_execute_include,
8107 _cpp_compare_file_date, cpp_read_file, read_include_file):
8109 * cppinit.c (dump_special_to_buffer): Delete.
8110 (append_include_chain, merge_include_chains, cpp_reader_init,
8111 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
8112 cpp_finish, handle_option, print_help): Adjust.
8113 * cppmain.c (main): Adjust.
8115 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
8117 * cppspec.c (lang_specific_driver): Use double quotes in error
8120 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
8122 * calls.c (emit_library_call_value_1): Use valreg instead
8123 of hard_libcall_value.
8125 2000-07-03 Geoff Keating <geoffk@cygnus.com>
8127 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
8128 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
8129 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
8137 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
8138 mode instead of wider_mode is being used.
8140 2000-07-03 Jakub Jelinek <jakub@redhat.com>
8142 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
8143 of 'r'. Use q_regs_operand.
8144 (andsi_1+2): Use q_regs_operand.
8146 2000-07-03 Jakub Jelinek <jakub@redhat.com>
8148 * builtins.c (get_memory_rtx): Always put into alias set 0.
8150 2000-07-03 Nick Clifton <nickc@cygnus.com>
8152 * config/arm/arm.md: Fix post increment and pre increment
8153 peepholes so that they do not generate UNPREDICATBLE opcodes.
8154 (ie ones where the increment clobbers the source/destination).
8156 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
8158 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
8159 change too big for -mtiny-stack" a warning, if larger than 63.
8160 (out_set_stack_ptr): Change the logic so -mno-interrupts is
8161 always safe to use on possible future devices.
8162 (function_prologue): Write SPH before SPL, for consistency.
8163 If interrupt_func_p true, we know we have enabled interrupts.
8164 (avr_num_arg_regs): New function. Round up to even number of
8165 bytes if no -mpack-args or if calling a libgcc function.
8166 (function_arg, function_arg_advance): Use it.
8167 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
8168 Output "movw" if available.
8169 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
8170 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
8171 (asm_output_section_name): Add blanks for consistent output.
8172 (encode_section_info): Set TREE_READONLY for progmem data to
8173 avoid gas warnings about changed section attributes.
8174 (avr_hard_regno_mode_ok): Force non-QImode data to start in
8175 even numbered registers on devices with "movw".
8176 * config/avr/avr.h (MASK_*): Define bits for target_flags.
8177 (TARGET_SWITCHES): Mark help strings for translation.
8178 Add new -mpack-args and -menhanced switches.
8179 (TARGET_OPTIONS): Mark help strings for translation.
8180 (progmem_section): Add section attributes.
8181 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
8182 Output "movw" if available.
8183 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
8185 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
8186 call convention (arguments aligned on even registers).
8187 (_cleanup, _exit): Make weak symbols libc can override.
8189 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8191 * fp-bit.h: New file.
8193 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
8194 Comment #endif statements.
8195 (__thenan_sf, __thenan_df): Add missing braces around initializer.
8197 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
8199 * gcse.c (compute_pre_data): Compute ae_kill using other local
8200 properties instead of calling compute_ae_kill.
8202 * alias.c (init_alias_analysis): Do not call
8203 prologue_epilogue_contains until after reload has completed.
8205 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
8207 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
8208 (genrtl_finish_compound_stmt): Likewise.
8209 (genrtl_compound_stmt): Change to return void.
8211 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
8212 move code from here to ...
8213 (genrtl_compound_stmt): ... here.
8214 (genrtl_finish_compound_stmt): Remove.
8215 (expand_stmt): Add comment.
8217 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
8219 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
8222 2000-07-02 Jakub Jelinek <jakub@redhat.com>
8224 * cpplib.h (struct cpp_reader): New field include_depth.
8225 (struct cpp_printer): Rename last_bsd to last_id.
8226 * cppfiles.c (read_include_file): Bump include_depth.
8227 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
8228 (output_line_command): Output correct #line if a header
8229 is including itself and is not protected against multiple inclusion.
8230 Use include_depth instead of buffer_stack_depth, last_id instead of
8232 * cppinit.c (cpp_start_read): Initialize last_id instead of
8235 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
8237 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
8238 (c-semantics.o): New target.
8240 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
8241 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
8242 (genrtl_clear_out_block): Likewise.
8243 (genrtl_goto_stmt): Likewise.
8244 (genrtl_expr_stmt): Likewise.
8245 (genrtl_decl_stmt): Likewise.
8246 (genrtl_if_stmt): Likewise.
8247 (genrtl_while_stmt): Likewise.
8248 (genrtl_do_stmt): Likewise.
8249 (genrtl_return_stmt): Likewise.
8250 (genrtl_for_stmt): Likewise.
8251 (genrtl_break_stmt): Likewise.
8252 (genrtl_continue_stmt): Likewise.
8253 (genrtl_scope_stmt): Likewise.
8254 (genrtl_switch_stmt): Likewise.
8255 (genrtl_case_label): Likewise.
8256 (genrtl_begin_compound_stmt): Likewise.
8257 (gerntl_finish_compound_stmt): Likewise.
8258 (genrtl_compound_stmt): Likewise.
8259 (genrtl_asm_stmt): Likewise.
8260 (genrtl_decl_cleanup): Likewise.
8261 (DECL_ANON_UNION_ELEMS): Likewise.
8262 (emit_local_var): Likewise.
8263 (make_rtl_for_local_static): Likewise.
8264 (expand_cond): Likewise.
8265 (expand_stmt): Likewise.
8266 (c_expand_return): Likewise.
8267 (c_expand_start_case): Likewise.
8268 (do_case): Likewise.
8269 (COMPOUND_STMT_NO_SCOPE): Likewise.
8270 (c_expand_asm_operands): Likewise.
8271 (NEW_FOR_SCOPE_P): New macro.
8272 (expand_expr_stmt_fn): New type.
8274 (set_current_function_name_declared): Likewise.
8275 (current_function_name_declared): Likewise.
8276 (lang_expand_stmt): Likewise.
8277 (stmts_are_full_exprs_p): Likewise.
8278 (anon_aggr_type_p): Likewise.
8279 (lang_expand_expr_stmt): Likewise.
8280 (build_case_label): Likewise.
8282 * c-decl.c (lang_expand_expr_stmt): Initialize.
8283 (stmts_are_full_exprs_p): Define.
8284 (current_function_name_declared): Likewise.
8285 (do_case): Likewise.
8286 (lang_expand_stmt): Likewise.
8287 (set_current_function_name_declared): Likewise.
8288 (anon_aggr_type_p): Likewise.
8290 * c-semantics.c: New file.
8291 (expand_cond): Moved from cp/semantics.c.
8292 (genrtl_do_pushlevel): Likewise.
8293 (genrtl_clear_out_block): Likewise.
8294 (genrtl_goto_stmt): Likewise.
8295 (genrtl_expr_stmt): Likewise.
8296 (genrtl_decl_stmt): Likewise.
8297 (genrtl_if_stmt): Likewise.
8298 (genrtl_while_stmt): Likewise.
8299 (genrtl_do_stmt): Likewise.
8300 (genrtl_return_stmt): Likewise.
8301 (genrtl_for_stmt): Likewise.
8302 (genrtl_break_stmt): Likewise.
8303 (genrtl_continue_stmt): Likewise.
8304 (genrtl_scope_stmt): Likewise.
8305 (genrtl_switch_stmt): Likewise.
8306 (genrtl_case_label): Likewise.
8307 (genrtl_begin_compound_stmt): Likewise.
8308 (genrtl_finish_compound_stmt): Likewise.
8309 (genrtl_compound_stmt): Likewise.
8310 (genrtl_asm_stmt): Likewise.
8311 (genrtl_decl_cleanup): Likewise.
8312 (make_rtl_for_local_static): Moved from cp/decl.c.
8313 (emit_local_var): Likewise.
8314 (expand_stmt): Define.
8316 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
8317 (c_expand_return): Likewise.
8318 (c_expand_start_case): Likewise.
8320 2000-07-01 Richard Henderson <rth@cygnus.com>
8322 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
8323 with the low 13 bits set.
8324 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
8325 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
8326 of the low 13 bits into a CONST plus an adddi3.
8327 (load_symptr): Set RTX_UNCHANGING_P.
8329 See ChangeLog.3 for earlier changes.