1 2000-10-05 Richard Henderson <rth@cygnus.com>
3 * diagnostic.c (output_format): Add missing break.
5 2000-10-05 Jim Wilson <wilson@cygnus.com>
7 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
8 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
9 sequence insn to INSN, and delete last sequence insn.
11 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
13 * gcc.c (main): Include generated configargs.h header
14 and use arguments in '-v' output.
16 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18 * gcc.c: Move data on prefixes forward in file and reorganize.
19 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
20 Always define, but make null if no value.
21 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
22 and "md_startfile_prefix_1".
23 (main): Check whether md_exec_prefix and the others are the
24 null string rather than whether the macro is defined.
26 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
28 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
29 from PSImode to SImode.
31 2000-10-05 Jakub Jelinek <jakub@redhat.com>
33 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
34 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
35 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
38 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
40 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
41 negation in proper type.a
43 2000-10-04 Richard Henderson <rth@cygnus.com>
45 * configure.in (enable-shared): New.
46 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
47 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
48 * mklibgcc.in: Use them to link shared a libgcc.
49 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
50 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
51 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
52 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
54 * configure.in (alpha-osf*): Use t-osf and x-osf.
55 * config/alpha/t-osf: New file.
56 * config/alpha/t-osf4: New file.
57 * config/alpha/x-osf: New file.
58 * config/alpha/x-alpha: Remove file.
60 2000-10-04 Will Cohen <wcohen@redhat.com>
62 * c-typeck.c (process_init_element): Added warning for zero-length
65 * extend.texi (Zero Length): State that static initializers for
66 zero-length arrays are not allowed.
68 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
70 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
73 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
75 * config/float-c4x.h: New.
76 * configure.in (c4x-*): Set float_format to c4x.
77 * configure: Regenerate.
79 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
81 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
82 compilation for solaris versions 2.7 and greater.
84 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
86 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
88 2000-10-01 Mark Mitchell <mark@codesourcery.com>
90 * config/ns32k/genix.h: Remove.
91 * config/ns32k/x-genix: Likewise.
92 * config/ns32k/xm-genix.h: Likewise.
93 * config/fx80: Remove all filee in directory.
94 * config/pyr: Likewise.
95 * config/tahoe: Likewise.
96 * config/gmicro: Likewise.
97 * config/spur: Likewise.
98 * configure.in: Remove configury bits for above targets.
99 * configure: Regenerated.
101 * configure.in: Don't configure chill by default.
102 * configure: Regenerated.
104 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
105 (lang_mark_false_label_stack): Remove.
106 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
107 <top level> string in GC area.
108 (mark_splay_tree_node): New function.
109 (mark_splay_tree): Likewise.
110 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
112 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
113 * ggc-common.c (lang_mark_false_label_stack): Change type.
114 * ggc.h (ggc_alloc_string): Add comment.
115 (ggc_strdup): New function.
117 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
119 * config/avr/avr.h (BRANCH_COST): Define as 0.
121 * config/pdp11/pdp11.c: #include "tree.h" added.
123 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
125 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
126 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
127 with known shift count.
128 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
129 New alternative for shift count 2 with no scratch register.
130 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
131 "set_n" for shift counts 1 and 2.
133 2000-09-30 Geoff Keating <geoffk@cygnus.com>
135 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
136 the mask value from the individual SET operations.
137 (return_internal_si): Move the USE after the RETURN.
138 (return_internal_di): Likewise.
139 (return_and_restore_fpregs_si): Likewise.
140 (return_and_restore_fpregs_di): Likewise.
141 (return_eh_si): Likewise.
142 (return_eh_di): Likewise.
143 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
145 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
146 Don't generate a PARALLEL around a single operation movsi_to_cr.
147 Generate the RETURN first in any PARALLELs.
149 * rtlanal.c (single_set_1): Use fatal_insn to display the
150 invalid insn. Check for more cases when a USE or CLOBBER occurs
152 * Makefile.in: Update dependencies for rtlanal.o.
154 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
156 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
158 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
160 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
161 Consistently use @email for formatting email addresses.
163 2000-09-29 Richard Henderson <rth@cygnus.com>
165 * cse.c (notreg_cost): New argument outer.
166 (COST): Pass in SET to notreg_cost
168 (fold_rtx): Use COST_IN. Prefer constants when costs
171 2000-09-29 David Edelsohn <edelsohn@gnu.org>
173 * fixinc/inclhack.def (broken_cabs): Generalize regex.
174 * fixinc/fixincl.x: Regenerate.
176 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
178 * loop.c (check_final_value): A GIV is not replaceable if used
181 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
183 * version.c: Bump to gcc-2.97.
185 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
187 * final.c (final_scan_insn): Remove extra extract_insn call;
188 Use caching for constrain_operands.
189 (cleanup_subreg_operands): Use caching for extract_insn.
190 * recog.c (constrain_operands_cached): New.
191 * recog.h (constrain_operands_cached): Declare.
192 * i386.c (ix86_attr_length_immediate_default,
193 ix86_attr_length_address_default, ix86_agi_dependant): Cache
196 * recog.c (asm_noperands): Tweak.
197 (extract_insn): Do not call asm_noperads for non-asm instructions.
199 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
201 * recog.c (recog_memoized): Rename to recog_memoized_1.
202 * recog.h (recog_memoized): Rename to recog_memoized_1.
203 (recog_memoized): New macro.
204 * rtl.h (single_set): Rename to single_set_1
205 (single_set): New macro.
206 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
209 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
210 Do not use match_dup of input operands at outputs.
211 Use register_operand for memory expression.
212 (rep_movsi): Put use last, canonicalize.
213 Use register_operand for memory expression.
214 (rep_movqi): Put use last.
215 Use register_operand for memory expression.
216 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
217 of input operands at outputs. Use register_operand for memory
219 (rep_stossi): Put use last; canonicalize; fix match_dup in
220 the address expression
221 (rep_stosqi): Likewise.
222 (memcmp expander): Update calls.
223 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
226 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
228 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
230 2000-09-28 David O'Brien <obrien@FreeBSD.org>
232 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
233 Contains the old contents of config/i386/freebsd.h
234 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
235 Contains the old contents of config/i386/freebsd-elf.h
236 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
237 config/i386/freebsd.h.
238 * configure.in: Adjust for above changes.
239 * po/POTFILES.in: Likewise.
240 * po/en_GB.po: Likewise.
241 * po/gcc.pot: Likewise.
242 * configure: Rebuilt.
244 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
246 * doloop.c (doloop_modify): Prevent delete_insn() from
247 deleting too much. Prefer loop->top over loop->start as
248 target for the new JUMP insn.
249 (doloop_valid_p): Ignore loop with exit_count != 0.
251 2000-09-28 Philipp Thomas <pthomas@suse.de>
253 * invoke.texi (i386 Options): Add athlon to table of possible
256 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
258 * diagnostic.h (output_clear_message_text): New function.
259 (output_message_text): New macro.
261 * diagnostic.c (clear_text_info): Rename to
262 output_clear_message_text.
263 (output_clear): Adjust.
264 (output_finish): Rename to output_finalize_message. Tweek.
265 (output_to_stream): Adjust.
267 2000-09-28 Neil Booth <neilb@earthling.net>
269 * cpperror.c (_cpp_begin_message): Do the test for suppression
270 of warnings and pedantic warnings before the "is a warning an
272 * cppinit.c (cpp_handle_option): Remove surplus \n.
273 * cpplex.c (ON_REST_ARG): Delete.
274 (skip_block_comment): Initialise prevc.
275 (parse_args): Improve error messages.
276 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
278 * cpplib.c (cpp_push_buffer): Fix grammar in message.
279 * cppmain.c (main): Set callbacks for #ident and #pragma
280 only if no_output option is false.
281 (do_pragma_implementation): Only call the #pragma handler
282 if it is set in the cpp_reader structure.
284 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
286 * integrate.c (copy_insn_list): if an ignored return value
287 is being clobbered, skip cloning that into the inline copy.
289 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
291 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
292 use @uref for formatting URLs.
294 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
296 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
299 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
301 * gcc.c (cpp_options): Add spec for -ftabstop=.
302 (invoke_as): New spec that handles invoking as.
303 Update specs to handle -save-temps and -traditional.
304 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
306 * cp/lang-specs.h, objc/lang-specs.h: Update to use
307 invoke_as, and handle -save-temps and -traditional (if
310 2000-09-26 Jakub Jelinek <jakub@redhat.com>
312 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
314 (function_arg_slotno): Accept TImode/CTImode.
315 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
318 2000-09-26 Michael Hayes <mhayes@cygnus.com>
320 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
323 2000-09-25 Jim Wilson <wilson@cygnus.com>
325 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
326 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
327 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
328 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
330 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
332 * cpplex.c (parse_args): Don't set VOID_REST flag.
333 (CONTEXT_VARARGS): New flag.
334 (maybe_paste_with_next): Set context earlier in loop. Use
335 it. Do varargs test with CONTEXT_VARARGS flag.
336 (push_arg_context): Set CONTEXT_VARARGS flag if we're
337 pushing an argument context for a varargs argument.
338 * cpplib.h (VOID_REST): Delete.
339 * gcc.dg/cpp/vararg1.c: Add test case.
341 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
343 * flags.h: Declare warning flag warn_system_headers.
344 * toplev.c: Define it.
345 (W_options): Add option -Wsystem-headers.
346 * diagnostic.c (count_error): Test warn_system_headers.
347 * invoke.texi: Add description for -Wsystem-headers.
348 * cpplib.h (cpp_options): New member warn_system_headers.
349 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
350 CPP_IN_SYSTEM_HEADER.
351 * cpplib.c (do_import, do_pragma_once): Likewise.
352 * cpperror.c (_cpp_begin_message): Test warn_system_headers
353 and CPP_IN_SYSTEM_HEADER.
354 * cppinit.c (handle_option): Recognize -Wsystem_headers.
355 (print_help): Describe -Wsystem_headers.
356 * cpplex.c (lex_line): Reorganize condition so that warnings
357 about C++ comments in system headers can be enabled. Remove
358 label do_line_comment.
360 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
362 * cpplex.c (save_comment): Only store the initial '/'
364 (lex_token): Combine handling of the two comment types.
365 Pass everything but the initial '/' to save_comment.
367 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
369 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
370 _cpp_can_paste): New library-internal prototypes.
371 * cpplex.c (dump_param_spelling, output_line_command,
372 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
373 cpp_printf, cpp_output_list): Move to cppoutput.c.
374 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
375 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
377 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
378 dump_param_spelling, output_line_command, cpp_scan_buffer,
379 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
381 * Makefile.in: Add cppoutput.c.
382 * po/POTFILES.in: Add cppoutput.c.
384 2000-09-25 Richard Henderson <rth@cygnus.com>
386 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
387 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
388 split until after reload.
389 (rotlsi3, rotldi3): New.
391 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
393 * diagnostic.c (output_last_position): Define.
394 (set_real_maximum_length): Tweek.
395 * diagnostic.h (output_last_position): Declare.
397 2000-09-25 Kazu Hirata <kazu@hxi.com>
399 * config/i386/i386.c: Fix formatting.
401 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
403 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
404 UNITS_PER_WORD is small.
406 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
408 * c-common.c (format_char_info): Add flags2; update comments.
409 (print_char_table, scan_char_table, time_char_table): Split some
410 flags out into flags2.
411 (check_format_info): Use flags2 for those flags, for identifying
412 the initial character of a scanf scanset, and for identifying
413 printf formats where the '0' flag is ignored with precision.
415 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
417 Changes below marked "here" add TABs on either or both sides,
418 covering start of line, up to any operand for all noted .*ASM.*_OP
419 definitions. All callers changed.
420 * tm.texi: Make documented *_ASM.*_OP:s include spacing
421 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
422 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
423 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
424 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
425 Fix typos in description for LONG_LONG_TYPE_SIZE and
427 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
428 why these defaults don't have leading spacing.
429 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
430 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
431 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
432 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
433 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
434 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
435 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
436 * varasm.c (ASM_STABS_OP): Here.
437 * xcoffout.h (ASM_STABS_OP): Here.
438 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
439 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
440 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
441 STRING_ASM_OP): Here.
442 * config/freebsd.h (IDENT_ASM_OP): Here.
443 * config/linux-aout.h (SET_ASM_OP): Here.
444 * config/linux.h (SET_ASM_OP): Here.
445 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
447 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
448 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
449 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
450 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
452 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
453 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
454 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
455 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
456 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
457 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
458 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
459 * config/a29k/udi.h (INT_ASM_OP): Here.
460 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
461 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
463 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
464 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
465 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
466 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
468 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
469 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
470 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
471 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
472 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
473 SIZE_ASM_OP, STRING_ASM_OP): Here.
474 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
475 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
476 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
477 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
478 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
479 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
481 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
482 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
483 * config/arm/coff.h (INT_ASM_OP): Here.
484 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
485 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
486 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
487 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
488 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
489 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
490 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
491 STRING_ASM_OP): Here. Update documentation copy in comments.
492 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
493 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
494 DATA_SECTION_ASM_OP): Here.
495 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
497 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
498 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
499 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
500 BSS_SECTION_ASM_OP): Here.
501 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
502 BSS_SECTION_ASM_OP): Here.
503 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
505 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
506 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
507 * config/h8300/h8300.h (ASM_WORD_OP): Here.
508 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
509 BSS_SECTION_ASM_OP): Here.
510 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
511 * config/i386/bsd.h (ASM_BYTE_OP): Here.
512 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
513 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
514 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
516 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
517 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
519 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
520 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
521 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
522 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
524 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
525 * config/i386/netbsd.h (INT_ASM_OP): Here.
526 * config/i386/openbsd.h (INT_ASM_OP): Here.
527 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
529 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
530 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
531 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
532 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
533 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
534 SHARED_BSS_SECTION_ASM_OP): Here.
535 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
536 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
537 DATA_SECTION_ASM_OP): Here.
538 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
539 CONST_SECTION_ASM_OP): Here.
540 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
541 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
542 BSS_SECTION_ASM_OP): Here.
543 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
544 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
545 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
546 BSS_ASM_OP): Here, but use trailing spaces.
547 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
548 DATA_SECTION_ASM_OP): Here.
549 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
551 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
552 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
553 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
554 TDESC_SECTION_ASM_OP): Here.
555 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
556 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
557 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
559 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
560 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
561 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
562 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
563 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
564 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
565 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
566 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
567 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
568 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
569 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
570 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
572 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
573 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
574 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
575 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
576 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
577 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
578 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
579 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
580 GLOBAL_ASM_OP): Here.
581 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
582 BSS_SECTION_ASM_OP): Here.
583 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
584 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
585 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
586 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
588 * config/m68k/newsgas.h (SET_ASM_OP): Here.
589 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
590 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
591 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
592 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
593 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
594 but use trailing spaces.
595 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
596 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
597 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
599 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
600 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
601 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
602 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
603 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
604 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
605 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
606 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
607 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
608 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
609 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
610 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
612 * config/m88k/openbsd.h (SET_ASM_OP): Here.
613 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
614 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
615 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
616 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
617 DTORS_SECTION_ASM_OP): Here.
618 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
619 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
620 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
621 BSS_SECTION_ASM_OP): Here.
622 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
623 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
624 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
625 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
626 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
627 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
628 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
629 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
631 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
633 * config/mips/osfrose.h (SET_ASM_OP): Here.
634 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
635 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
636 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
637 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
639 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
640 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
641 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
642 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
643 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
644 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
646 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
648 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
649 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
650 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
652 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
653 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
654 * config/sparc/linux.h (COMMON_ASM_OP): Here.
655 * config/sparc/linux64.h (COMMON_ASM_OP,
656 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
657 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
658 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
659 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
660 * config/sparc/pbd.h (ASM_INT_OP): Here.
661 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
662 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
663 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
664 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
665 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
666 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
667 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
668 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
669 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
670 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
671 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
672 EH_FRAME_SECTION_ASM_OP): Here.
673 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
674 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
676 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
678 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
679 TCOMMON_ASM_OP): Here.
680 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
682 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
685 2000-09-25 Richard Henderson <rth@cygnus.com>
687 * expmed.c (store_bit_field): Adjust last change to not consider
688 any word-sized field naturally aligned.
690 2000-09-24 Richard Henderson <rth@cygnus.com>
692 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
693 TFmode unordered compares properly. Revalidate integer compare
695 (alpha_emit_setcc): New.
696 (alpha_emit_conditional_move): Revalidate integer compare operands.
697 * config/alpha/alpha-protos.h: Update.
698 * config/alpha/alpha.md (cmpdi): Allow general operands.
699 (sne): Use alpha_emit_setcc.
700 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
701 (sunordered, sordered): New.
703 2000-09-24 Richard Henderson <rth@cygnus.com>
705 * config/ia64/ia64-protos.h: Update.
706 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
707 (ia64_expand_call): New.
708 (ia64_expand_prologue): Emit an alloc if we need extra input
710 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
712 (struct reg_flags): Add is_sibcall.
713 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
714 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
715 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
716 * config/ia64/ia64.h (PREDICATE_CODES): Update.
717 * config/ia64/ia64.md (call): Use ia64_expand_call.
718 (call_value): Likewise.
719 (sibcall, sibcall_value): New.
720 (call patterns): Remove extra expanders; tidy.
721 (sibcall_epilogue): New.
722 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
724 2000-09-24 Richard Henderson <rth@cygnus.com>
726 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
728 * sibcall.c (skip_pic_restore): New.
729 (identify_call_return_value): Use it.
731 2000-09-24 Mark Mitchell <mark@codesourcery.com>
733 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
734 functions. Generalize to handle both C and C++.
735 * Makefile.in (c-tree.info): New target.
736 (info): Add c-tree.info.
738 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
740 * expr.c (store_field): If BITSIZE is negative, use size of type.
741 (expand_expr, case COMPONENT_EXPR): Likewise.
743 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
745 * cpplex.c: Update TODO comment.
746 * cpplib.c (do_error, do_warning): Merge common code of
747 do_error and do_warning into do_diagnostic. Use it.
748 (do_diagnostic): New function.
749 * cpplib.h: Fix comment typo.
751 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
753 * c-common.c (check_format_info): Warn for a wide character string
754 used as a non-wide format argument.
756 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
758 * builtins.def (BUILT_IN_LLABS): Add.
759 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
760 * c-common.c (c_common_nodes_builtins): Create builtin functions
761 __builtin_llabs, and plain llabs unless no_nonansi_builtins
763 (expand_tree_builtin): Handle BUILT_IN_LLABS.
765 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
767 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
768 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
769 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
770 _cpp_free_toklist): No need to worry about extra dummy token
771 at the start of token lists any more.
772 (trigraph_ok): Only warn outside comments.
773 (skip_block_comment): Set and clear lexing_comment.
774 (skip_line_comment): Take a cpp_reader not cpp_buffer.
775 Set and clear lexing_comment.
776 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
777 (check_long_token): Delete.
778 (lex_percent, lex_dot): New subroutines of lex_token to
779 handle lexing of '.' and '%' without lookback.
780 (lex_token): Use lex_dot and lex_percent.
781 (lex_line): Don't check for LIST_OFFSET.
782 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
783 * cpplib.c (_cpp_parse_assertion): Similarly.
784 (cpp_push_buffer): Initialize extra_char.
785 * cpplib.h (LIST_OFFSET): Delete.
786 (struct cpp_buffer): New member extra_char.
787 (struct lexer_state): New members lexing_comment and seen_dot.
789 2000-09-23 Jason Merrill <jason@redhat.com>
791 * config/rs6000/x-aix41 (CLIB): Define here.
792 * config/rs6000/t-aix43: Not here.
793 * config/rs6000/t-aix41: Or here. Remove.
794 * configure.in: Don't use it.
796 2000-09-22 Jason Merrill <jason@redhat.com>
798 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
799 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
800 * config.in: Regenerate.
802 * configure.in: Fix checks for assembler features when using a
803 one-tree assembler that has not yet been built.
804 Fix --disable-threads.
806 2000-09-19 Geoff Keating <geoffk@cygnus.com>
808 * stmt.c (expand_asm_operands): Allow # in constraints.
810 2000-09-22 Jason Merrill <jason@redhat.com>
812 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
814 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
815 function-local names.
817 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
818 Mark Mitchell <mark@codesourcery.com>
820 * toplev.c (warn_disabled_optimization): Declare new warning flag.
821 * flags.h (warn_disabled_optimization): Add it here.
822 * gcse.c (gcse_main): Add warning when disabled.
823 * invoke.texi: Document -Wdisabled-optimization.
825 2000-09-21 Jason Merrill <jason@redhat.com>
827 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
829 * dwarf2out.c (tree_add_const_value_attribute): New fn.
830 (gen_variable_die): Call it for non-definitions.
832 * dwarf2out.c (die_struct): Add die_mark field.
833 (mark_dies, unmark_dies): New fns.
834 (clear_die_sizes): Remove.
835 (print_die): Check die_symbol rather than die_offset.
836 (build_abbrev_table, output_pubnames, output_aranges): Check
837 die_mark rather than die_offset.
838 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
841 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
843 * cppfiles.c (lookup_include_file): Rename to open_file.
844 Always create a splay tree value, even on syscall failures.
845 Negative entries indicated by fd == -2.
846 Re-open files closed in the meantime.
847 (_cpp_fake_include): Create a negative splay tree entry.
848 (find_include_file, cpp_read_file): Update for function name
850 * gcc.gd/cpp/mi4.c: Testcase.
852 2000-09-21 Nick Clifton <nickc@redhat.com>
854 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
857 * config/mcore/mcore.c: Fix compile time warnings.
858 * config/mcore/mcore-protos.h: Fix compile time warnings.
860 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
862 * configure.in: Correct test of gcc_cv_glibc.
863 * configure: Rebuilt.
864 * config.in: Rebuilt.
866 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
868 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
869 (expand_builtin): Handle BUILT_IN_FWRITE.
871 * builtins.def (BUILT_IN_FWRITE): New entry.
873 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
875 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
877 * gcc.c (modify_target): New variable and struct.
878 (process_command): Handle MODIFY_TARGET_NAME.
879 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
880 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
882 * c-decl.c (finish_decl): Add else's to avoid referencing
883 TYPE_DOMAIN of an ERROR_MARK.
885 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
887 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
890 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
892 * config/avr/avr.md (neghi2): Add alternative for input and output
893 operands in different registers, as in negsi2.
894 (*negsi2): Remove '*' from the name. Use "movw" if available.
896 2000-09-19 Jim Wilson <wilson@cygnus.com>
898 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
899 HAVE_GAS_HIDDEN macro.
901 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
903 * cpplex.c (lex_line): Drop the EOF token for unknown
904 directives in assembler.
906 2000-09-19 David Edelsohn <edelsohn@gnu.org>
908 * configure.in: Allow enable_threads_flag value of "aix". Define
909 thread_file as "aix" for AIX 4.3 and above.
910 * configure: Regenerated.
912 * gthr-aix.h: New file.
914 * rs6000/t-aix43: Replace soft-float multilib with pthread.
915 Remove 403 processor multilib match. Fix rios2 processor multilib
918 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
919 to return to appropriate csect.
921 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
923 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
925 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
926 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
929 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
932 * c-common.c (init_function_format_info): Handle __builtin_printf.
933 Set `check_function_format_ptr'.
934 (c_common_nodes_and_builtins): Set `puts_ftype' and
935 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
936 __builtin_printf and printf.
938 * tree.c, tree.h (check_function_format_ptr): Declare.
940 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
942 * cppfiles.c (read_include_file): Take no special action for
945 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
947 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
948 rather than that of branch.
949 (shorten_branches): Don't increment insn_current_address twice.
951 Undo most of the Wed Jan 27 23:39:53 1999 patch:
952 * loop.h (struct induction): Delete members derived, ix and last_use.
953 (struct loop_ivs): Delete members first_increment_giv and
955 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
956 recombine_givs): Delete functions.
957 (find_and_verify_loops): Don't initialize cont_dominator.
958 (strength_reduce): Lose code to try to find bivs that can be
959 expressed as givs of another biv, and to convert biv increments
961 Lose loop_scan_start variable, always use loop->scan_start.
962 Don't call recombine_givs. Don't handle derived givs.
963 (record_giv): Don't initialize derived and last_use fields.
964 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
966 * unroll.c (derived_regs): Delete static variable.
967 (unroll_loop): Don't initialize it.
968 (copy_loop_body): Lose code to handle derived givs.
969 (find_splittable_givs): Don't check for givs made from biv
971 Don't set derived_regs.
973 Fix misapplied earlier patch:
974 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
976 (floatsisf2): Generate floatsisf_ie by default.
977 (floatsisf_i4): Conditional on TARGET_SH4.
979 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
980 predicate for the expanders.
982 2000-09-19 Richard Henderson <rth@cygnus.com>
984 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
985 in addition to pentium and pentiumpro symbols.
986 (CPP_CPU_DEFAULT_SPEC): Likewise.
988 * c-typeck.c (c_expand_asm_operands): Restore the output tree
991 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
992 if the tree has side effects.
993 (warn_if_unused_value): Do not warn about void constructs.
995 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
997 * unroll.c (copy_loop_body): Update LABEL_NUSES before
1000 2000-09-18 Geoff Keating <geoffk@cygnus.com>
1002 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
1005 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1007 * Makefile.in (c-common.o): Depend on diagnostic.h.
1009 * c-common.c: Include diagnostic.h.
1011 (status_warning): New function.
1012 (check_format_info, maybe_read_dollar_number, check_format_types,
1013 finish_dollar_format_checking, check_function_format): Accept a
1014 `status' parameter. All callers changed.
1016 * c-common.h (check_function_format): Accept a `status' parameter.
1018 * c-typeck.c: Update call to `check_function_format'.
1020 2000-09-18 Richard Henderson <rth@cygnus.com>
1022 * c-decl.c (c_expand_body): Call mark_varargs before
1023 expand_function_start.
1025 2000-09-18 Geoff Keating <geoffk@cygnus.com>
1027 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
1028 * config/rs6000/eabi-ci.asm: Likewise.
1030 2000-09-18 Richard Henderson <rth@cygnus.com>
1032 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
1035 2000-09-18 Jim Wilson <wilson@cygnus.com>
1037 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
1038 before passing it to fold_rtx_mult_add.
1040 * unroll.c (final_giv_value): Pass increment through
1041 extend_value_for_giv before passing it to emit_iv_add_mult.
1043 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
1044 paradoxical subreg, then directly substitute the replacement and
1047 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
1049 * cpp.texi: Update documentation, including some clarifications,
1050 the treatment of various newline combinations, and space between
1051 backslash and newline.
1053 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1055 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
1056 Replace ASM_OUTPUT_LABELREF with assemble_name.
1058 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1060 * sh.c (addsubcosts): CONST is not cheap.
1061 (find_barrier): For Sh1, take alignment after jumps into account.
1063 2000-09-15 Andrew Haley <aph@redhat.com>
1065 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
1066 remove all SETs of SUBREGs of hard registers.
1067 * function.c (purge_hard_subreg_sets): New function.
1068 (purge_single_hard_subreg_set): New function.
1069 * rtl.h: (purge_hard_subreg_sets): New function.
1071 2000-09-18 Richard Henderson <rth@cygnus.com>
1073 * config/ia64/ia64-protos.h: Update.
1074 * config/ia64/ia64.c (signed_inequality_operator): New.
1075 (ia64_expand_compare): New.
1076 (ia64_register_move_cost): Handle PR_REGS moves.
1077 (ia64_secondary_reload_class): Require a GR when moving to a PR.
1078 (struct reg_write_state): Add written_by_and/or.
1079 (struct reg_flags): Add is_and/or.
1080 (rws_update): Set them.
1081 (rws_access_regno): Test them to allow parallel comparisons.
1082 (rtx_needs_barrier): Recognize parallel comparisons.
1083 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
1084 Call recog_memoized; ignore pred_rel_mutex.
1085 (emit_predicate_relation_info): Don't call find_basic_blocks here.
1086 (ia64_reorg): Do it here instead.
1087 * config/ia64/ia64.h: s/CCmode/BImode/g
1088 (MODES_TIEABLE_P): Don't tie BImode.
1089 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
1090 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
1091 (RTX_COSTS): Make multiply 4 insns.
1092 (MEMORY_MOVE_COST): New.
1093 (PREDICATE_CODES): Update.
1094 * config/ia64/ia64.md: s/CCmode/BImode/g
1095 (movcci, movbi): New.
1096 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
1097 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
1098 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
1099 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
1100 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
1101 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
1102 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
1103 (mulsi, muldi): Use xmpy not xma.
1105 (movcc, movcc_internal): Remove.
1106 (branch expanders): Use ia64_expand_compare.
1107 (setcc expanders): Likewise.
1108 (cmov insns): Use move_operand and ia64_move_ok.
1109 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
1110 scheduler from moving it past a use.
1111 * config/ia64/build.hacks: Remove.
1113 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
1115 * cpphash.h (HASHSTEP): Take character rather than pointer
1117 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
1119 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
1121 * cpplex.c (auto_expand_name_space, trigraph_replace,
1122 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
1123 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
1124 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
1125 KNOWN_DIRECTIVE): Delete.
1127 (handle_newline, check_long_token, skip_escaped_newlines,
1128 unterminated): New functions.
1129 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
1131 (parse_identifier): Was parse_name, new implementation.
1132 (skip_line_comment, skip_block_comment, skip_whitespace,
1133 parse_number, parse_string, trigraph_ok, save_comment,
1134 adjust_column, _cpp_get_line): New implementations.
1136 (lex_token): New function. Lexes a token at a time, looking
1137 forwards. Contains most of the guts of the old lex_line.
1138 (lex_line): New implementation, using lex_token to obtain
1140 (cpp_scan_buffer): Use the token's line, not the list's line.
1142 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
1143 New implementations.
1144 (do_assert): Don't bother setting the answer's list's line.
1145 (cpp_push_buffer): Initialise new pfile and read_ahead members
1146 of struct cpp_buffer.
1148 * cpplib.h (cppchar_t): New typedef.
1149 (struct cpp_buffer): read_ahead, pfile and col_adjust are
1151 (struct lexer_state): New structure that determines the state
1152 and behaviour of the lexer.
1153 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
1154 (struct cpp_reader): New member "state". Rename
1155 multiline_string_line and multiline_string_column. Delete
1156 col_adjust, in_lex_line members.
1157 (CPP_BUF_COLUMN): Update.
1159 2000-09-18 Richard Henderson <rth@cygnus.com>
1161 * combine.c (simplify_comparison): Shift a NOT out of a single
1164 * combine.c (if_then_else_cond): Canonicalize BImode true to
1166 * explow.c (trunc_int_for_mode): Likewise.
1168 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
1169 the NOT for De Morgan's rule.
1170 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
1171 of a comparison to the reverse comparison.
1173 * combine.c (try_combine): Allow split to create a single insn.
1175 * machmode.def: Add BImode. Add a column for bitsize.
1176 * machmode.h (DEF_MACHMODE): Adjust for extra column.
1177 (GET_MODE_BITSIZE): Use it.
1178 * rtl.c (DEF_MACHMODE): Adjust for extra column.
1179 (mode_bitsize): New.
1180 (mode_mask_array): Use bitsize.
1181 * combine.c (combine_simplify_rtx): Require inner and outer
1182 modes to match on nonzero_bits optimizations.
1184 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
1186 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
1187 its entry in spill_reg_store.
1188 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
1189 * sh.c (reg_no_subreg_operand): New function.
1190 * sh-protos.h (reg_no_subreg_operand): Declare it.
1191 * sh.h (PREDICATE_CODES): Add it.
1192 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
1193 input operand that needs to be in fpul.
1194 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
1195 * sh.c (find_barrier): Take into account that machine_dependent_reorg
1196 might add new insns.
1198 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
1200 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
1202 (sh_expand_epilogue): Take the PIC register into account when
1203 computing the frame size.
1205 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
1206 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
1207 LABEL_REFs with a PIC-safe unspec.
1209 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1211 * c-common.c (check_format_info): Properly save the argument
1212 number and parameter for $ operand number formats in case width
1213 and precision arguments are also used. Allow printf width and
1214 precision arguments to have operand numbers even if none was
1215 specified for the main format, since this is OK for %*.*m. Only
1216 object to missing $ operand number if the format used requires an
1219 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1221 * c-common.c (format_char_info): Add 'W' flag to comment.
1222 (print_char_table, scan_char_table): Use it.
1223 (check_format_info): Use the 'W' flag to determine whether a
1224 format argument is written into.
1226 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1228 * c-common.c (check_format_types): Reorganise and clean up,
1229 checking earlier for ERROR_MARKs and making cur_type into its
1230 TYPE_MAIN_VARIANT where convenient.
1232 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1234 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
1236 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
1238 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
1240 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
1241 * i386.c (struct builtin_description): New.
1242 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
1243 (mmx_reg_operand): Declare MODE arg as unused.
1244 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
1245 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
1246 ix86_expand_binop_builtin, ix86_expand_store_builtin,
1247 ix86_init_builtins, ix86_expand_builtin): New functions.
1248 * i386.h (ix86_builtins): New enumeration.
1249 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
1250 * i386.md (attr length_immediate): 0 for mmx/sse types.
1251 (attr prefix_0f): 1 for mmx/sse types.
1252 (setcc_2): Remove "*" so we get gen_setcc_2.
1253 (emms): Account for changed register numbering. Set "memory" attr
1255 (sfence): Set "memory" attr to unknown.
1257 2000-09-18 Andreas Jaeger <aj@suse.de>
1259 * configure.in: Define _GNU_SOURCE only when using the GNU C
1261 * configure: Regenerated.
1262 * config.in: Regenerated.
1264 2000-09-17 Mark Mitchell <mark@codesourcery.com>
1266 * cppinit.c (cpp_init): Don't use ANSI prototypes.
1267 * flow.c (flow_dump_loop): Likewise.
1268 (flow_loops_dump): Likewise.
1270 * c-typeck.c (c_start_case): Fix typo.
1272 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1274 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
1275 to int for plain complex which defaults to complex double. Do
1276 warn about defaulting to complex double if pedantic. Warn about
1277 complex integer types if pedantic. Warn about complex types if
1278 pedantic and not in C99 mode.
1279 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
1280 for complex conjugation.
1282 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1284 * contrib.texi: Update my entry.
1286 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
1288 * config/avr/avr.md (mcu_enhanced): New attribute.
1289 (mcu_mega): Likewise.
1290 (extendhisi2): Use mcu_enhanced.
1291 (zero_extendhisi2): Likewise.
1292 (call_insn): Use mcu_enhanced and mcu_mega.
1293 (call_value_insn): Likewise.
1294 (*sbrx_branch): Use mcu_mega.
1295 (*sbrx_and_branchsi): Likewise.
1296 (*sbrx_and_branchhi): Likewise.
1297 (*tablejump_lib): Likewise.
1299 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1301 * alias.c (true_dependence): Allow non-unchanging read to conflict
1302 with unchanging write.
1304 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
1305 (store_constructor): Pass alias_set to it.
1307 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
1308 TYPE_MAIN_VARIANT of ERROR_MARK.
1309 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
1311 * simplify-rtx.c (simplify_unary_operation): Add cases
1312 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
1314 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
1316 * expr.h (emit_library_call, emit_library_call_value): Delete
1318 * rtl.h (enum libcall_type): New.
1319 (emit_library_call, emit_library_call_value): Change fn_type arg to
1320 be of type enum libcall_type.
1321 * calls.c: Likewise for the function definitions. Several callers
1322 throughout changed to use the new enumeration appropriately.
1323 (emit_library_call_value_1): Likewise. Put back code to make libcall
1324 blocks of equal form, but only use it for the two new higher
1327 2000-09-16 Mark Mitchell <mark@codesourcery.com>
1329 Convert the C front-end to use function-at-a-time mode.
1330 * c-common.h: Include splay-tree.h.
1331 (C_DECLARED_LABEL_FLAG): New macro.
1332 (struct language_function): Add x_scope_stmt_stack and
1333 x_function_name_declared_p.
1334 (RECHAIN_STMTS): Move definition.
1335 (lang_statment_code_p): Likewise.
1336 (lang_expand_stmt): Likewise.
1337 (lang_expand_decl_stmt): New variable.
1338 (lang_expand_function_end): Likewise.
1339 (current_scope_stmt_stack): New function.
1340 (add_decl_stmt): Likewise.
1341 (add_scope_stmt): Likewise.
1342 (mark_stmt_tree): Likewise.
1343 (struct c_lang_decl): New structure.
1344 (DECL_SAVED_TREE): Define.
1345 (c_mark_lang_decl): New function.
1346 (c_expand_start_cond): Change prototype.
1347 (c_finish_then): New function.
1348 (c_finish_else): Likewise.
1349 (current_function_name_declared): Remove.
1350 (set_current_function_name_declared): Likewise.
1351 (mark_c_language_function): Declare.
1352 (case_compare): Likewise.
1353 (c_add_case_label): Likewise.
1354 (c_expand_expr): Likewise.
1355 (c_safe_from_p): Likewise.
1356 * c-common.c (lang_expand_function_end): New variable.
1357 (struct if_elt): Add if_stmt.
1358 (c_expand_start_cond): Add the if-statement to the statement-tree,
1359 rather than generating RTL.
1360 (c_finish_then): New function.
1361 (c_expand_start_else): Don't generate RTL.
1362 (c_finish_else): New function.
1363 (c_expand_expr_stmt): Don't generate RTL.
1364 (statement_code_p): Add SCOPE_STMT.
1365 (case_compare): New function.
1366 (c_add_case_label): Likewise.
1367 (mark_stmt_tree): Likewise.
1368 (c_mark_lang_decl): Likewise.
1369 (mark_c_language_function): Likewise.
1370 (c_expand_expr): Likewise.
1371 (c_safe_from_p): Likewise.
1372 * c-decl.c (c_stmt_tree): New variable
1373 (c_scope_stmt_stack): Likewise.
1374 (c_function_name_declared_p): Likewise.
1375 (lang_expand_expr_stmt): Remove.
1376 (poplevel): Don't call output_inline_function for nested
1378 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
1380 (redeclaration_error_message): Change means of computing whether
1381 or not a function is nested.
1382 (lookup_label): Don't call label_rtx.
1383 (init_decl_processing): Add more GC roots.
1384 (start_decl): Add DECL_STMTs to the statement-tree, rather than
1385 calling rest_of_decl_compilation.
1386 (finish_decl): Don't call expand_decl.
1387 (store_parm_decls): Begin the statement-tree, but don't generate
1389 (finish_function): Tie off the statement-tree. Call c_expand_body
1391 (c_expand_body): New function.
1392 (push_c_function_context): Save more information.
1393 (pop_c_function_contxt): Likewise.
1394 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
1395 (lang_mark_tree): Mark it.
1396 (current_stmt_tree): Adjust.
1397 (current_scope_stmt_stack): New function.
1399 (set_current_name_declared): Likewise.
1400 (c_begin_compound_stmt): Define.
1401 (c_expand_decl_stmt): Likewise.
1402 * c-lang.c: Include rtl.h and expr.h.
1403 (lang_init): Set more language-specific hooks.
1404 * c-lex.c: Include expr.h.
1405 * c-parse.in: Changes throughout to add statements to the
1406 statement-tree, rather than generating RTL after every statement.
1407 * c-semantics.c (lang_expand_decl_stmt): Define.
1408 (add_decl_stmt): New function.
1409 (add_scope_stmt): Likewise.
1410 (finish_stmt_tree): Tweak.
1411 (genrtl_expr_stmt): Likewise.
1412 (genrtl_decl_stmt): Handle local labels, and call
1413 lang_expand_decl_stmt if required.
1414 (genrtl_for_stmt): Fix line-number handling.
1415 (genrtl_case_label): Handle cleanups.
1416 (genrtl_asm_stmt): Don't call combine_strings.
1417 (genrtl_compound_stmt): Simplify.
1418 (expand_stmt): Handle SCOPE_STMTs.
1419 * c-tree.h (struct lang_decl): New structure.
1420 (C_DECLARED_LABEL_FLAG): Remove.
1421 (c_begin_compound_stmt): Declare.
1422 (c_expand_decl_stmt): Likewise.
1423 (c_expand_start_case): Rename to c_start_case.
1424 (c_finish_case): New function.
1425 * c-typeck.c (start_init): Tweak setting of
1426 constructor_incremental.
1427 (c_expand_asm_operands): Tweak error-handling. Add to the
1429 (c_expand_return): Add to the statement-tree.
1430 (c_expand_start_case): Rename to ...
1431 (c_start_case): ... this.
1432 (struct c_switch): New type.
1433 (switch_stack): New variable.
1434 (do_case): Simplify.
1435 (c_finish_case): New function.
1436 * dependence.c: Include expr.h.
1437 (enum dependence_type): Change spelling of enumerals.
1438 (check_node_dependence): Adjust.
1439 * expr.h (lang_safe_from_p): Declare.
1440 (safe_from_p): Likewise.
1441 * expr.c (lang_safe_from_p): New variable.
1442 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
1443 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
1444 * toplev.c (rest_of_decl_compilation): Robustify.
1445 * tree.c (contains_placeholder_p): Likewise.
1446 * Makefile.in: Update dependencies.
1447 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
1448 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
1449 (objc_expand_function_end): New function.
1450 (finish_method_def): Use it.
1451 (init_objc): Initialize more language-specific hooks.
1452 * objc/Make-lang.in: Update dependencies.
1454 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
1456 * configure.in: Define macros that affect features before
1457 testing for features. Don't define _XOPEN_SOURCE.
1458 * configure: Regenerated.
1459 * config.in: Regenerated.
1461 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
1463 * rtlanal.c (rtx_varies_p): Volatile asms vary.
1464 (rtx_unstable_p): Restructure code. Volatile asms
1467 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1469 * function.h (no_debugging_symbols): New field.
1470 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
1471 Initialize no_debugging_symbols.
1472 (output_inline_function): Save and restore write_symbols and set from
1473 no_debugging_symbols.
1474 * toplev.c (rest_of_compilation): Call save_for_inline.
1475 * tree.h: Update comment.
1477 * stor-layout.c (place_field): Don't do anything if field or
1478 its type are ERROR_MARK.
1480 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
1482 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
1483 (read_include_file): Ensure inc->mmaped is initialized.
1485 2000-09-16 Richard Henderson <rth@cygnus.com>
1487 * cppiles.c (purge_cache): Use PTR not caddr_t.
1489 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
1491 * gcc.c: In description for %{<S}, say the option removed is -S.
1492 * invoke.texi (Spec Files): Ditto.
1494 2000-09-16 Andreas Jaeger <aj@suse.de>
1496 * configure.in: Always define _GNU_SOURCE to make interfaces
1497 visible that were hidden by only defining _GNU_SOURCE.
1498 * configure: Regenerated.
1500 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
1502 * cpplex.c (push_macro_context): Set an argument's level after
1503 calling parse_args. We could loop infinitely otherwise.
1505 2000-09-15 Tom Tromey <tromey@cygnus.com>
1507 * configure, config.in: Rebuilt.
1508 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
1510 2000-09-15 Greg McGary <greg@mcgary.org>
1512 * cppmacro.c (check_trad_stringification): Check token
1513 text pointers against limit before dereferencing.
1515 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
1517 * c-common.c (format_wanted_type): New structure.
1518 (check_format_types): New function.
1519 (check_format_info): Pass all checking of types of format
1520 arguments, including width and precision arguments, to this new
1523 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1525 * BUGS: Remove file.
1527 2000-09-15 Jakub Jelinek <jakub@redhat.com>
1529 * config/alpha/alpha.c (override_options): ev6 cache latencies
1530 from Richard Henderson. Don't allow -mmemory-latency=L0.
1532 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
1533 (TARGET_OPTIONS): Add tune=.
1534 (alpha_tune_string): Declare.
1535 * config/alpha/alpha.c (override_options): Add cpu_table.
1536 Use alpha_cpu_string first to set both alpha_cpu and target_flags
1537 and then alpha_tune_string to set alpha_cpu only.
1538 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
1539 * config/alpha/elf.h (ASM_FILE_START): Likewise.
1540 * config/alpha/osf.h (ASM_FILE_START): Likewise.
1541 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
1543 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
1545 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
1547 (ix86_comparison_operator, ix86_cc_mode): Declare
1548 * i386.h (CCGC, CCGCO): New modes.
1549 (SELECT_CC_MODE): Move offline to ....
1550 * i386.c (ix86_cc_mode): .... here; use new modes.
1551 (ix86_comparison_operator): New.
1552 (fcmov_comparison_operator): Ensure proper mode.
1553 (put_condition_mode): More sanity checking.
1554 (ix86_match_ccmode): Handle new modes.
1555 (ix86_expand_fp_compare): GEU requires CCmode.
1556 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
1558 * i386.md (cmp?i_ccz_1): Remove
1559 (cmp?i_ccno_1): Use ix86_match_ccmode.
1560 (cmp?i_minus_1): New.
1561 (cmpsi_1): New expander.
1562 (cmpqi_ext_1): Use match_ccmode
1563 (cmpqi_ext_3): New expander.
1564 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
1565 (cmpqi_ext_4): Use match_ccmode.
1566 (add?i_?): Use match_ccmode.
1568 (test?i_ccz_1): Remove
1570 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
1571 (testqi_ext_0): Use ix86_match_ccmode.
1572 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
1573 (xorqi_cc_ext_1): New expander.
1574 (shift patterns): Use CCGOCmode for all shifts except for sar.
1575 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
1576 (setcc_3, jcc_3, miv?icc_c): Remove.
1578 2000-09-15 Will Cohen <wcohen@redhat.com>
1580 * dwarf2out.c (add_const_value_attribute): Changed array into a
1581 xmalloced object, so it exists after function exit.
1582 (free_AT): Added case for dw_val_class_float to free allocated
1585 2000-09-15 Kazu Hirata <kazu@hxi.com>
1587 * config/i386/i386.md: Fix a comment typo.
1588 * gcc.c: Fix formatting.
1590 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
1592 * optabs.c (emit_libcall_block): If target is a user variable,
1593 copy to a temporary first.
1594 * expr.c (convert_move): When generating a libcall, make a libcall
1596 * calls.c (emit_library_call_value_1): Don't create a libcall
1597 sequence here; our caller will in most cases do it.
1599 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
1601 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
1602 * sh.md (reload_outsf): Generate recognizable patterns for
1604 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
1605 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
1606 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
1607 truncdfsf2_i4): Change not to use explicit references to fpul.
1608 (floatsisf2_ie): Remove USE of fpscr.
1609 (floatsisf2): Change default expansion to match this.
1610 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
1613 2000-09-15 Richard Henderson <rth@cygnus.com>
1615 * expmed.c (store_bit_field): Consider naturally aligned
1616 memory for direct reference.
1618 2000-09-15 Richard Henderson <rth@cygnus.com>
1620 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
1621 AND addresses into alias set 0.
1622 (alpha_expand_unaligned_store): Likewise.
1623 (alpha_expand_unaligned_load_words): Likewise.
1624 (alpha_expand_unaligned_store_words): Likewise.
1626 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
1628 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
1629 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
1631 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
1632 rsize of UNITS_PER_WORD.
1634 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
1636 * cpplex.c (ON_REST_ARG): Correct the test.
1637 (maybe_paste_with_next): Duplicate a token that fail pasting,
1638 and clear its PASTE_LEFT flag, so that nested pasting attempts
1641 2000-09-14 Richard Henderson <rth@cygnus.com>
1643 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
1644 * cse.c (rtx_cost): Likewise.
1645 * optabls.c (expand_binop): Likewise.
1646 (expand_twoval_binop, prepare_cmp_insn): Likewise.
1647 * regclass.c (copy_cost): Likewise.
1648 * reload1.c (reload_cse_move2add): Likewise.
1650 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
1652 * c-parse.in (reswords): Add _Complex.
1654 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1656 * gcc.1: Delete documentation for -undef preprocessor option.
1658 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
1660 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
1661 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
1662 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
1663 Remove undefine before config/elfos.h.
1664 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
1666 2000-09-14 Kazu Hirata <kazu@hxi.com>
1668 * invoke.texi (H8/300 Options): Add -ms2600.
1669 * config/h8300.c (h8300_init_once): Output an error when -ms2600
1670 is used without -ms.
1671 * config/h8300.h (TARGET_MAC): New.
1672 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
1673 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
1674 machine other than H8/S2600.
1675 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
1678 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
1680 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
1681 pseudos that refer to the original pseudos, not only to their
1682 equivalent memory locations.
1684 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1686 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
1687 when making new MEM.
1689 * Makefile.in (LN): Remove duplicate definition.
1691 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1693 From Joern Rennecke:
1694 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
1695 on an insn and function_invariant_p returns nonzero for the source,
1696 add a REG_EQUAL note.
1698 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
1700 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
1701 conflict with frame_pointer_rtx.
1703 2000-09-13 Kazu Hirata <kazu@hxi.com>
1705 * loop.c: Fix formatting.
1708 2000-09-13 Richard Henderson <rth@cygnus.com>
1710 * config/ia64/ia64.md (divsf3): New.
1711 (divsf3_internal_lat, divsf3_internal_thr): New.
1712 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
1713 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
1714 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
1715 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
1716 (nmadddf4_alts, nmadddf4_trunc): New.
1717 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
1718 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
1719 (multf3_truncsf_alts, multf3_truncdf_alts): New.
1720 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
1721 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
1722 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
1723 (nmaddtf4_truncdf_alts): New.
1724 (recip_approx): Don't predicate.
1726 2000-09-13 Richard Henderson <rth@cygnus.com>
1728 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
1730 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1732 * flags.h (flag_dump_rtl_in_asm): Declare.
1733 * toplev.c (flag_dump_rtl_in_asm): Define.
1734 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
1735 if -dP is specified.
1736 * rtl.h (print_rtx_head): Declare.
1737 * print-rtl.c (print_rtx_head): Define.
1738 (print_rtx): Print the string pointed to by print_rtx_head
1739 at beginning of each dump line.
1740 (print_rtl): Likewise.
1741 (print_rtl_single): Likewise.
1742 * final.c (final_scan_insn): Dump the insn in the assembly
1744 * gcc.1: Document -dP option.
1745 * invoke.texi (Debugging Options): Likewise.
1747 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1749 * md.texi (Machine Constraints): Document the 68HC11 constraints.
1750 * install.texi (Configurations): Document the 68HC11&68HC12 port.
1751 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
1753 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
1755 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
1756 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
1757 (*clrstrqi): Likewise.
1758 (xorhi3,xorsi3,absqi2): Likewise.
1759 (one_cmplhi2,one_cmplsi2): Likewise.
1760 (addsi3): Two stupid constraint alternatives removed.
1761 (extendhisi2): Use `movw' for enhanced avr cores.
1762 (zero_extendhisi2): Likewise.
1764 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
1766 * alias.c (find_base_term): Use frame_pointer_rtx
1767 when handling an ADDRESSOF.
1769 * cse.c (canon_hash): Handle USE of BLKmode memory.
1770 (cse_insn): Outgoing arguments for a libcall don't
1771 affect any recorded expressions.
1773 2000-09-12 Tom Tromey <tromey@cygnus.com>
1775 * configure, config.in: Rebuilt.
1776 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
1778 2000-09-12 Jakub Jelinek <jakub@redhat.com>
1780 * c-lex.c (lex_string): Use charwidth to compute bytemask.
1781 * expr.c (expand_expr): Don't optimize constant array references
1782 initialized with wide string constants.
1784 2000-09-13 Michael Hayes <mhayes@cygnus.com>
1786 * loop.c (note_set_pseudo_multiple_uses): Correct.
1788 2000-09-12 Jim Wilson <wilson@cygnus.com>
1790 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
1791 else block, and X has side-effects, then fail.
1793 2000-09-12 Greg McGary <greg@mcgary.org>
1795 * config/mips/mips-protos.h
1796 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
1797 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
1798 (PREDICATE_CODES): Add "trap_cmp_op".
1799 * config/mips/mips.c
1800 (trap_cmp_op, mips_gen_conditional_trap): New functions.
1801 * config/mips/mips.md (trap, conditional_trap): New patterns.
1803 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1805 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
1808 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1810 * builtins.c (built_in_decls): New array.
1811 (expand_builtin_fputs): New function.
1812 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
1814 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
1816 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
1818 * tree.h (built_in_decls): New array.
1820 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
1822 * convex.md: Use "+" instead of "=" for outputs wrapped in a
1824 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
1826 2000-09-12 Kazu Hirata <kazu@hxi.com>
1828 * haifa-sched.c: Fix formatting.
1830 * genattrtab.c: Fix formatting.
1832 * unroll.c: Fix formatting.
1834 2000-09-12 Bruce Korb <bkorb@gnu.org>
1836 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
1837 remove obsolete code
1838 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
1839 * fixinc/fixincl.tpl: make non-exported arrays static scope
1840 * fixinc/fixincl.x: regenerate
1841 * fixinc/fixlib.h: Use PARAMS, not _P_
1842 * fixinc/fixtests.c: make a type for the test proc & use it
1843 * fixinc/server.h: Use PARAMS, not _P_
1845 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1847 * c-typeck.c (process_init_element): Avoid union init warnings on
1848 floating point zero. Don't crash on unions containing structs.
1850 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
1852 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
1853 general_movsrc_operand, and remove CONST_INT from
1854 general_movdst_operand.
1856 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1858 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
1859 if a reference to non-fixed hardreg is seen. Otherwise, count hard
1860 regs with a higher cost.
1861 (preferrable): Deal with cases where either cost or regcost is
1863 (cse_insn): Use MAX_COST rather than 10000. Always initialize
1865 (COSTS_N_INSNS): Move definition...
1867 (MAX_COST): New macro.
1868 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
1871 2000-09-11 Mark Mitchell <mark@codesourcery.com>
1873 * c-common.h (genrtl_clear_out_block): Remove.
1874 * c-semantics.c (genrtl_clear_out_block): Remove.
1875 (genrtl_while_stmt): Don't call it.
1876 (genrtl_for_stmt): Likewise.
1878 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
1880 * cppfiles.c: Move all default-#defines to top of file.
1881 (open_include_file): Replace by lookup_include_file.
1882 (read_with_read, read_file): Merged into read_include_file.
1883 (stack_include_file, purge_cache): New functions.
1884 (close_cached_fd): Delete.
1885 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
1886 Cache the in-memory buffer, not the file descriptor.
1888 * cpphash.h (struct include_file): Add buffer, st, refcnt,
1890 (xcnew): New utility macro.
1891 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
1892 * cpplib.h (struct cpp_buffer): Remove mapped field.
1894 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
1896 * cpplex.c (parse_string): Accept backslash space newline as a
1898 (lex_line): Likewise.
1899 (_cpp_get_token): Remove hard limit on macro nesting.
1901 2000-09-12 Philipp Thomas <pthomas@suse.de>
1903 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
1904 * configure: Rebuilt.
1906 2000-09-13 Michael Hayes <mhayes@cygnus.com>
1908 * flow.c (split_block): Fix update of registers live at
1911 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1913 * i386.md (add?i_3, add?i_5): New.
1914 (add?i_4): Rename from add?i_3; Fix compare pattern.
1915 (sub?i_3, xor?i_3, ior?i_3): New.
1917 * genrecog.c (write_tree): Output code to clear insn_extract cache.
1918 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
1919 instead of extract_insn and extract_constrain_insn_cache instead of
1920 extract_insn and constrain_operands.
1921 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
1923 (extract_insn): Clear which_alternative.
1924 (constrain_operands): Set which_alternative to -1 when failed.
1925 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
1928 2000-09-11 Matthew Hiller <hiller@redhat.com>
1930 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
1931 on operand 0 to '+'.
1932 (movstricthi): Likewise.
1934 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1936 * loop.h (LOOP_IVS): New macro.
1937 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
1938 (struct loop_ivs): New.
1939 (struct loop_info): Add ivs field.
1940 (reg_iv_type, reg_iv_info): Delete prototype.
1941 (reg_biv_class, loop_iv_list): Likewise.
1942 * loop.c (record_biv, find_life_end): Pass loop argument.
1943 (reg_iv_type): Remove global array and use
1944 field in loop_regs structure within loop_ivs structure.
1945 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
1946 (first_increment_giv, last_increment_giv): Use entry in
1948 (record_initial): Pass ivs pointer.
1949 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
1951 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1953 * loop.h (LOOP_REGS): New macro.
1954 (struct loop_regs): New.
1955 (struct loop_info): Add regs field.
1956 * loop.c (set_in_loop): Remove global array and store
1957 in loop_regs structure as part of loop_info structure.
1958 (n_times_set, may_not_optimize): Likewise.
1959 (reg_single_usage, moved_once): Likewise.
1960 (count_one_set): Add regs argument.
1961 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
1962 (set_pseudo_multiple_uses): Pass regs pointer.
1964 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1966 * unroll.c (iteration_info): Subsume into loop_iterations.
1967 * loop.h (loop_info): New field iv.
1969 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1971 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
1972 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
1973 (flow_loops_update): New prototype.
1974 (flow_loops_find): Add flags to prototype.
1975 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
1976 * flow.c (flow_loop_pre_header_scan): New.
1977 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
1978 (flow_loop_free): Free pre-header root and trace and exit dominators.
1979 (flow_loops_find): New argument flags.
1980 (flow_loops_update): New function.
1981 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
1983 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1985 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
1986 * flow.c (split_block, update_bb_for_insn): New functions.
1988 2000-09-11 Richard Henderson <rth@cygnus.com>
1990 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
1992 2000-09-11 Richard Henderson <rth@cygnus.com>
1994 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
1995 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
1996 (ia64_override_options): Prevent optimizing division for both
1997 latency and throughput.
1998 (rtx_needs_barrier): Handle frcpa.
1999 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
2000 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
2001 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
2002 (TARGET_SWITCHES): Add -minline-divide-min-latency and
2003 -minline-divide-max-throughput.
2004 (PREDICATE_CODES): Update.
2005 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
2006 (zero_extendsidi2): Likewise. Fix typo in f case insn.
2007 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
2008 (extendsftf2): Likewise.
2009 (extenddftf2): Likewise.
2010 (fix_trunctfdi2_alts): New.
2011 (fixuns_trunctfdi2_alts): New.
2012 (madd*4): Rename from madd*3.
2013 (divsi3, modsi3, udivsi3, umodsi3): New.
2014 (divsi3_internal): New.
2015 (divdi3, moddi3, udivdi3, umoddi3): New.
2016 (divdi3_internal_lat, divdi3_internal_thr): New.
2017 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
2018 (recip_approx): New.
2020 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
2022 * print-rtl.c (debug_call_placeholder_verbose): New variable.
2023 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
2025 * integrate.c (copy_rtx_and_substitute): Don't share
2026 LEAF_REG_REMAPpable registers with the inlined function. Don't
2027 share the function value with calling sequences.
2029 2000-09-11 Jakub Jelinek <jakub@redhat.com>
2031 * c-decl.c (do_case): Fix a typo.
2033 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
2034 to a if the comparison is floating mode and not -ffast-math.
2035 * simplify-rtx.c (simplify_ternary_operation): Likewise.
2037 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2039 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
2040 gen_ic_invalidate_line.
2042 2000-09-11 Philip Blundell <pb@futuretv.com>
2044 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
2046 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
2048 * install.texi (LANGUAGES): Update to include new languages.
2051 2000-09-11 DJ Delorie <dj@redhat.com>
2053 * gcc.c (main): Don't warn about unused -B prefixes
2054 (unused_prefix_warnings): remove
2056 2000-09-11 Kazu Hirata <kazu@hxi.com>
2058 * final.c: Fix formatting.
2060 * integrate.c: Fix formatting.
2062 2000-09-11 Geoff Keating <geoffk@cygnus.com>
2064 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
2066 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
2068 * reload.c (regno_clobbered_p): Fix thinko in previous change.
2070 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2072 * gcc.1: Document 68hc11 specific options.
2074 2000-09-10 Geoff Keating <geoffk@cygnus.com>
2076 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
2077 (TARGET_LONG_DOUBLE_128): Define.
2078 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
2079 (LONG_DOUBLE_TYPE_SIZE): Redefine.
2080 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
2081 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
2082 of __LONG_DOUBLE_128__.
2083 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
2085 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
2086 (CPP_SYSV_DEFAULT_SPEC): Define.
2087 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
2088 (INIT_TARGET_OPTABS): Define.
2090 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
2091 (RS6000_UITRUNC): Likewise.
2092 (INIT_TARGET_OPTABS): New macro.
2093 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
2094 (trunc_defined): Delete.
2095 (output_prolog): Don't output .extern definitions for fp->int
2096 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
2097 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
2098 (trunc_defined): Delete.
2099 (RS6000_ITRUNC): Moved to aix.h.
2100 (RS6000_UITRUNC): Likewise.
2101 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
2102 only emit a libcall.
2103 (fixuns_truncdfsi2): Delete.
2104 (trunc_call): Delete.
2105 (trunc_call_rtl): Delete.
2107 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
2109 * varasm.c (make_decl_rtl): Restore leading star on
2110 DECL_ASSEMBLER_NAME set for decls with an asmspec.
2112 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
2114 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
2115 won't give a spurious error for '#pragma pack()'. Simplify
2116 control flow for readability. 'reset' action is not necessary.
2118 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
2120 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
2121 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
2122 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
2123 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
2125 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
2126 profile.c, sdbout.c, tradcif.y, tree.c:
2127 Include defaults.h if not already included.
2128 Don't define the above macros.
2130 * Makefile.in: Update dependencies.
2132 2000-09-10 Mark Mitchell <mark@codesourcery.com>
2134 * c-common.h (add_stmt): Change prototype.
2135 (RECHAIN_STMTS): New macro.
2136 (CASE_LABEL_DECL): Likewise.
2137 (genrtl_case_label): Change prototype.
2138 (c_expand_start_case): Remove prototype.
2139 (build_case_label): Change prototype.
2140 (decl_constant_value): Declare.
2141 * c-common.c (check_case_value): Handle C++'s extensions to C
2143 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
2145 * c-parse.in (stmt): Adjust handling of return statements and case
2147 * c-semantics.c (add_stmt): Return the new statement.
2148 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
2149 returned expression. Directly generate RTL, rather than calling
2151 (genrtl_switch_stmt): Don't call c_expand_start_case.
2152 (build_case_label): Take the LABEL_DECL as input, too.
2153 (genrtl_case_label): Just call add_case_node.
2154 (expand_stmt): Adjust calls to genrtl_return_stmt and
2156 * c-tree.h (c_expand_start_case): Declare.
2157 * c-typeck.c (decl_constant_value): Give it external linkage.
2158 (c_expand_return): Don't call expand_return or expand_null_return;
2159 use genrtl_return_stmt instead.
2160 * stmt.c (struct nesting): Remove num_ranges field.
2161 (add_case_node): Give it external linkage.
2162 (expand_start_case): Don't set num_ranges.
2163 (expand_start_case_dummy): Don't clear it.
2164 (pushcase): Rely on add_case_node to handle `default' labels.
2165 (add_case_node): Handle `default' labels.
2166 * tree.c (tree_int_cst_compare): New function.
2167 * tree.h (tree_int_cst_compare): Declare.
2168 (add_case_node): Likewise.
2170 2000-09-10 Richard Henderson <rth@cygnus.com>
2172 * c-parse.in: Revert last change.
2173 (init_reswords): Do not enter disabled keywords into the ridpointers
2174 table, modulo objc weirdness.
2175 (_yylex): Return the canonical spelling for a keyword.
2177 2000-09-10 Philip Blundell <philb@gnu.org>
2179 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
2180 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
2182 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
2184 * alias.c (find_base_term): Handle ADDRESSOF.
2185 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
2187 2000-09-10 Denis Chertykov <denisc@overta.ru>
2189 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
2190 outputting templates with many lines.
2192 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2194 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
2195 to decide whether 64-bit support must be generated.
2197 2000-09-10 Richard Henderson <rth@cygnus.com>
2199 * c-parse.in (asm patterns): Fix volatile check.
2201 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2203 * cppmacro.c (check_trad_stringification): New function.
2204 (save_expansion): If -Wtraditional, warn about stringification of
2207 2000-09-11 Michael Hayes <mhayes@cygnus.com>
2209 * loop.h (struct loop_mem_info): Move from loop.c
2210 (struct loop_info): Add fields store_mems, mems, mems_idx,
2211 mems_allocated, unknown_address_altered,
2212 unknown_constant_address_altered, num_mem_sets, and
2213 first_loop_store_insn.
2215 * loop.c (loop_store_mems): Replace with field in loop_info struct.
2216 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
2217 (unknown_address_altered, unknown_constant_address_altered): Likewise.
2218 (num_mem_sets): Likewise.
2219 (replace_loop_mems, replace_loop_regs): New.
2220 (struct loop_replace_args): New.
2221 (load_mems): Use replace_loop_mems.
2222 (try_copy_prop): Use replace_loop_regs.
2223 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
2225 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2227 * configure.in: Recognize m6811-elf and m6812-elf.
2228 * configure: Regenerate.
2230 2000-09-09 Geoff Keating <geoffk@cygnus.com>
2232 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
2235 2000-09-10 Michael Hayes <mhayes@cygnus.com>
2237 * loop.c (struct movables): New.
2238 (num_movables): Move into struct movables.
2239 (the_movables): Change type to struct movables.
2240 (ignore_some_movables): Change struct movable arg to struct movables.
2241 (force_movables, combine_movables, regs_match_p): Likewise.
2242 (rtx_equal_for_loop_p, move_movables): Likewise.
2243 (scan_loop): Change movables to be of type struct movables.
2244 Replace last_movable with field in movables structure.
2246 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
2248 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
2249 (init_pragma): Avoid warning if pfile happens to be unused.
2250 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
2251 define init_pragma to nothing. Always prototype
2252 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
2254 * c-lex.c (process_directive): Always call dispatch_pragma.
2255 Initialize entering_c_header to 0.
2257 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2259 * config/m68hc11/m68hc11.md: New file, machine description for
2261 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
2262 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
2263 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
2264 * config/m68hc11/m68hc11-protos.h: New file.
2265 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
2266 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
2267 * config/m68hc11/xm-m68hc11.h: New file, target defs.
2268 * config/m68hc11/larith.asm: New file, libgcc routines.
2270 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2272 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
2273 (FPBIT_FUNCS): Add _usi_to_sf.
2274 * config/fp-bit.c (usi_to_float): New function.
2275 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
2276 (usi_to_float): Add appropriate #define.
2278 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
2280 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
2282 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
2283 * i386.md (attr "type"): Add sse and mmx types.
2284 (attr "memory"): Handle them without a crash.
2285 (movsi_1, movdi_2): Allow MMX regs.
2286 (movdi splits): Don't split moves involving MMX regs.
2287 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
2288 (movv4sf_internal, movv4si_internal, movv8qi_internal,
2289 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
2290 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
2291 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
2292 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
2293 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
2294 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
2295 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
2296 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
2297 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
2298 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
2299 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
2300 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
2301 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
2302 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
2303 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
2304 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
2305 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
2306 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
2307 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
2308 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
2309 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
2310 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
2311 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
2312 mmx_clrdi): New patterns.
2314 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
2316 * arm.c: Don't include tm.h directly.
2318 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
2320 * recog.c (validate_replace_rtx_1): Fix confusion about equality
2321 testing; simplify subregs of constants and nested subregs.
2323 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
2325 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
2327 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
2329 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
2331 * rtl.texi (description of USE): Add note about possible pitfalls
2333 From Richard Henderson:
2334 * reload1.c (choose_reload_regs): Compute need_mode properly.
2336 2000-09-07 Richard Henderson <rth@cygnus.com>
2338 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
2339 (__modsi3, __umodsi3): Likewise.
2340 (__udivsi3): Likewise. Normalize the TFmode values.
2342 2000-09-07 Geoff Keating <geoffk@cygnus.com>
2344 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
2346 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
2349 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2351 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
2352 (cmpeqdi_t): Add output pattern.
2353 (cmpeqdi_t+1): Don't split when not optimizing.
2354 Restore proper splitting operation.
2356 2000-09-07 Richard Henderson <rth@cygnus.com>
2358 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
2359 do not call dispatch_pragma.
2361 2000-09-07 Jim Wilson <wilson@cygnus.com>
2363 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
2364 to CLASS_CANNOT_CHANGE_MODE.
2365 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
2366 mode classes are different.
2368 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
2370 * cpplib.h (struct cpp_options): Add user_label_prefix member,
2371 left out of commit which removed cppulp.c.
2373 2000-09-07 Richard Henderson <rth@cygnus.com>
2375 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
2376 after switch for CASE_DROPS_THROUGH.
2378 2000-09-07 Richard Henderson <rth@cygnus.com>
2380 * loop.c (strength_reduce): Call check_ext_dependant_givs.
2381 Properly extend the biv initial value for the giv.
2382 (record_biv): Zero ext_dependant.
2383 (record_giv): New argument ext_val. Update all callers.
2384 (general_induction_var): Likewise.
2385 (consec_sets_giv): Likewise.
2386 (simplify_giv_expr): Likewise. Fill in ext_val if we find
2387 a sign-extend, zero-extend, or truncate.
2388 (combine_givs_p): Make sure modes are compatible.
2389 (check_ext_dependant_givs): New.
2390 (extend_value_for_giv): New.
2391 * loop.h (struct induction): Add ext_dependant.
2392 * unroll.c (iteration_info): Extend the biv initial value for the giv.
2393 (find_splittable_givs): Likewise.
2394 (final_giv_value): Likewise.
2396 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
2398 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
2399 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
2400 definitions from cpplib.h.
2401 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
2403 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
2404 documentation for REGISTER_TARGET_PRAGMAS.
2406 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
2407 default-pragma callback to implement -Wunknown-pragmas if
2409 * c-parse.in: Move all includes to top of file.
2410 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
2412 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
2414 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
2416 * arm.h, arm-protos.h, arm.c,
2417 c4x.h, c4x-protos.h, c4x.c,
2418 h8300.h, h8300-protos.h, h8300.c,
2419 i370.h, i370-protos.h, i370.c,
2420 i960.h, i960-protos.h, i960.c,
2421 sh.h, sh-protos.h, sh.c,
2422 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
2423 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
2425 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
2426 multiple include guard.
2427 * i370.md (untyped_call): Use GEN_CALL.
2428 (umodsi3): Remove unused variable.
2429 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
2430 * v850.c (output_move_single, output_move_double): Constify
2432 (print_operand): Constify a char *.
2433 * v850.h (struct small_memory_info): Constify name member.
2435 2000-09-07 Kazu Hirata <kazu@hxi.com>
2437 * config/h8300.h: Fix comment typos.
2438 * config/h8300/h8300.md: Likewise.
2439 * config/h8300/lib1funcs.asm: Likewise.
2441 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
2443 * Makefile.in: Remove references to cppulp.{c,o}.
2444 * cppinit.c (initialize_builtins, cpp_start_read,
2445 cpp_handle_option): Update to use cpp_options structure.
2448 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
2450 * c-common.c (time_char_table): Allow %#b and %#h.
2452 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2454 * reorg.c (find_end_label): If the basic block reorder pass moves the
2455 return insn to some other place try to locate it again and put our
2456 end_of_function_label there.
2457 * reorg.c (relax_delay_slots): Check if find_end_label created a
2458 new label that invalidates the current optimazation.
2460 2000-09-07 Catherine Moore <clm@redhat.com>
2462 * unroll.c (unroll_loop): Check for unconditional jumps
2463 to loop continuation. Delete if n_iterations is 1.
2464 (ujump_to_loop_cont): New routine.
2466 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
2468 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
2470 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
2471 to handle multiword modes correctly. All callers and the declaration
2474 2000-09-06 Mark Mitchell <mark@codesourcery.com>
2476 * c-common.h (prep_stmt): Declare.
2477 (lang_expand_stmt): Likewise.
2478 * c-decl.c (lang_expand_stmt): Remove.
2479 * c-semantics.c (lang_expand_stmt): Define.
2480 (prep_stmt): New function.
2481 (expand_stmt): Handle common statement types here.
2483 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
2485 * configure.in (sh-*-linux*): Added.
2486 * configure: Rebuilt.
2487 * config/sh/t-linux: New file.
2488 * config/sh/sh.h (USERMODE_BIT): Define.
2489 (TARGET_USERMODE): Likewise.
2490 (TARGET_SWITCHES): New switches for the bits above.
2491 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
2492 * config/sh/linux.h: New file.
2493 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
2494 underscore on linux.
2495 (L_sdivsi3, L_udivsi3): Define for linux.
2496 (L_ic_invalidate): Define.
2497 * invoke.texi (SH Options): Document -musermode.
2499 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
2501 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
2502 CSE unless generating PIC.
2504 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
2507 2000-09-06 H.J. Lu (hjl@gnu.org)
2509 * Makefile.in (clean_s1): Depend on stage_b.
2510 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
2511 stage2. They are used for "make compare".
2513 2000-09-06 Mark Mitchell <mark@codesourcery.com>
2515 Move statement-tree facilities from C++ to C front-end.
2516 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
2517 (void_zero_node): New macro.
2518 (struct stmt_tree_s): New type.
2519 (stmt_tree): New typedef.
2520 (struct language_function): New type.
2521 (last_tree): New macro.
2522 (last_expr_type): Likewise.
2523 (walk_tree_fn): New typedef.
2524 (current_stmt_tree): New function.
2525 (begin_stmt_tree): Likewise.
2526 (add_stmt): Likewise.
2527 (finish_stmt_tree): Likewise.
2528 (statement_code_p): Likewise.
2529 (lang_statement_code_p): New variable.
2530 (walk_stmt_tree): New function.
2531 (STMT_IS_FULL_EXPR_P): New macro.
2532 * c-common.c (lang_statement_code_p): New variable.
2533 (c_common_nodes_and_builtins): Initialize void_zero_node.
2534 (statement_code_p): New function.
2535 (walk_stmt_tree): Likewise.
2536 * c-decl.c (language_function): Rename to ...
2537 (c_language_function): ... this. Include language_function.
2538 (push_c_function_context): Adjust accordingly.
2539 (pop_c_function_context): Likewise.
2540 (mark_c_function_context): Likewise.
2541 (current_stmt_tree): Define.
2542 * c-semantics.c (begin_stmt_tree): New function.
2543 (add_stmt): Likewise.
2544 (prune_unused_decls): Likewise.
2545 (finish_stmt_tree): Likewise.
2547 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2549 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
2551 2000-09-06 Kazu Hirata <kazu@hxi.com>
2553 * calls.c: Fix formatting.
2555 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
2557 * config/i386/i386.h (ADDRESS_COST): Fix typo.
2559 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2561 Integrated preprocessor.
2563 * Makefile.in: Remove all references to c-parse.gperf,
2564 c-gperf.h, and c-parse.h. Remove -d from yacc command line
2565 generating c-parse.c. Update dependencies.
2566 * c-parse.gperf, c-gperf.h: Delete.
2568 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
2569 yy_lim, or yy_get_token. Don't define get_directive_line if
2571 * c-common.h: Add multiple include guard. Define RID values
2572 for every keyword in C, C++, and Objective C. Put all the
2574 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
2575 * c-decl.c (c_decode_option): Handle -lang-objc here.
2576 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
2577 (grokdeclarator): Adjust for new RID scheme.
2578 (extract_interface_info): New stub.
2579 * c-lang.c: Don't declare yy_cur or parse_options.
2580 (lang_init_options): Call cpp_init. Don't call
2582 (lang_init): Don't call check_newline if USE_CPPLIB.
2584 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
2585 Elide lots of unnecessary code if USE_CPPLIB. Delete code
2586 rendered unnecessary by new architecture. Move routines not
2587 shared with C++ to c-parse.in. Maintain a local idea of the
2588 line number. Handle C++ as well as C.
2589 [USE_CPPLIB]: Declare and register callbacks for #ident and
2590 for entering/leaving files.
2591 (init_c_lex, c_lex): Are now the entry points to this file.
2592 (check_newline): Break out directive handling to
2594 (read_ucs, is_extended_char, utf8_extend_token): Moved here
2596 (readescape, parse_float): Overhaul.
2597 (lex_number, lex_string, lex_charconst): Break out of c_lex
2599 (get_fileinfo, update_header_times, dump_one_header,
2600 dump_time_statistics): New and/or moved here from C++.
2601 Support per-file data needed by C++ and per-header timing
2602 statistics (C++ only, at the moment).
2603 * c-lex.h: Update prototypes. Add multiple include guard.
2604 * c-tree.h (struct lang_identifier): Add rid_code field.
2605 (C_IS_RESERVED_WORD, C_RID_CODE): New.
2607 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
2608 reinit_parse_for_function and/or position_after_white_space.
2609 (save_filename, save_lineno): Look ahead before saving.
2610 (label -> identifier ':'): Save file and line before shifting ':'.
2611 (reservedwords): No need to call get_identifier.
2612 (init_parse, finish_parse, yyerror, yylex, yyprint,
2613 make_pointer_declarator): Are now here for C/ObjC.
2614 (rid_to_yy): Conversion table from RID constants to Yacc codes.
2616 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
2617 #pragma registry. Provide dummy implementation of that
2618 interface if !USE_CPPLIB.
2619 * c-pragma.h: Update to match.
2621 * flags.h: Add multiple include guard.
2622 (flag_detailed_statistics): Moved here from C++.
2623 * toplev.c: Define flag_detailed_statistics.
2625 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
2627 * timevar.def (TV_CPP, TV_LEX): New.
2628 * timevar.h: Add multiple include guard.
2630 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
2632 * objc/objc-act.c: Don't mention yy_cur or parse_options.
2633 Initialize cpplib properly. Force lineno to 0 after first
2634 call to check_newline. Don't handle -lang-objc here.
2635 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
2637 2000-09-06 David Edelsohn <edelsohn@gnu.org>
2639 * rs6000.md: Correct function unit definitions for cr_logical and
2641 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
2642 and use portable method for >=0 and floating point >=. Remove
2643 associated matchers.
2645 2000-09-06 Mark Mitchell <mark@codesourcery.com>
2647 * extend.texi: Mark named return value extension as deprecated.
2649 2000-09-06 Geoff Keating <geoffk@cygnus.com>
2651 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
2654 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
2656 * toplev.c (display_help): Fix thinko in documentation.
2658 * diagnostic.h (output_buffer::indent_skip): New fields.
2659 (output_indentation): New macro.
2661 * diagnostic.c (output_indent): New function.
2662 (output_set_prefix, clear_diagnostic_info): Use.
2663 (output_emit_prefix): Predict future indentation.
2665 2000-09-06 DJ Delorie <dj@redhat.com>
2667 * Makefile.in (stage_*): add more dependencies to ensure parallel
2668 builds build correctly
2670 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
2672 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
2673 not bootstrap-lean_f.
2675 2000-09-06 Andreas Schwab <schwab@suse.de>
2677 * mklibgcc.in: Emit rule for libgcc-stage-start.
2678 * Makefile.in (stage1-start, stage2-start, stage3-start,
2679 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
2681 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
2683 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
2684 (update_equiv_regs): Likewise, except for the mn10200 kludge.
2685 (combine_regs): Likewise.
2687 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
2688 * cse.c: Include "basic-block.h".
2689 (struct table_elt): New field REGCOST.
2690 (CHEAP_REG): Delete macro.
2691 (COST): Return 0 for REGs.
2692 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
2693 (notreg_cost): Return 0 for appropriate SUBREGs.
2694 (COSTS_N_INSNS): Return N * 2.
2695 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
2697 (CHEAPER): Use new function preferrable.
2698 (insert): Initialize REGCOST member.
2699 (find_best_addr): Use approx_reg_cost for estimation of register
2701 (cse_insn): Likewise.
2702 * loop.c (iv_add_mult_cost): New function.
2703 (add_cost, shift_cost, mult_cost): Delete variables.
2704 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
2705 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
2706 Make code that detects autoinc opportunities slightly less optimistic.
2707 (simplify_giv_expr): If expression contains other reg that is also a
2708 giv, only increment benefit if this is the only use of that reg.
2709 (consec_sets_giv): Take that change into account.
2710 (combine_givs): Slightly more verbose output.
2712 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
2713 not the cost of an equivalent shift.
2714 * sh-protos.h (addsubcosts): Declare.
2715 * sh.c (addsubcosts): New function.
2716 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
2717 (RTX_COSTS): Tweak. Use addsubcosts.
2718 (ADDRESS_COST): Return higher cost for reg+reg addressing.
2720 2000-09-06 Geoff Keating <geoffk@cygnus.com>
2722 * config/rs6000/rs6000.c (validate_condition_mode): New function.
2723 (branch_comparison_operator): Call validate_condition_mode to
2724 abort rather than returning 0.
2725 (branch_positive_comparison_operator): New function.
2726 (scc_comparison_operator): Call validate_condition_mode to abort
2727 rather than returning 0.
2728 (ccr_bit): Call validate_condition_mode. Update for
2730 (print_operand): Delete %C modifier. Update %E case
2731 to use EQ bit not SO bit.
2732 (rs6000_reverse_condition): New function.
2733 (rs6000_generate_compare): New function.
2734 (rs6000_emit_sCOND): New function.
2735 (rs6000_emit_cbranch): New function.
2736 (output_cbranch): The length of a long branch insn is
2737 now only 8 bytes. Add validate_condition_mode. Use
2738 rs6000_reverse_condition. Remove cror generation.
2740 * config/rs6000/rs6000.h: Update comments.
2741 (PREDICATE_CODES): Add new predicate. Update codes used
2742 by branch_comparison_operator and scc_comparison_operator.
2743 * config/rs6000/rs6000-protos.h: Add prototypes for
2744 new external functions.
2745 * config/rs6000/rs6000.md: Add new scheduling parameters
2746 for cr_logical instructions. Change length of branch
2748 (bCOND patterns): Call rs6000_emit_cbranch.
2749 (sCOND patterns): Call rs6000_emit_sCOND.
2750 (branch patterns): Change lengths to 4.
2751 (cr logical patterns): New.
2753 2000-09-06 Richard Henderson <rth@cygnus.com>
2755 * config/i386/i386.md (call_pop): Fix test for setting
2756 current_function_uses_pic_offset_table.
2757 (call, call_value_pop, call_value): Likewise.
2759 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2761 * timevar.c (timevar_add): Delete.
2762 (timevar_get): Also count time since the selected timer was
2763 last updated. Do not examine the timevar stack if the
2764 selected timer is standalone.
2766 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2768 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
2770 2000-09-05 Jason Merrill <jason@redhat.com>
2772 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
2773 for 'extern' arrays.
2775 2000-09-05 Richard Henderson <rth@cygnus.com>
2777 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
2778 Eliminate final copy from non-trapping case.
2779 (__divdf3, __divsf3): Likewise.
2781 2000-09-05 Richard Henderson <rth@cygnus.com>
2783 * config/ia64/ia64.md (mulhi3): Fix typo last change.
2784 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
2786 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
2788 * Makefile.in: Restructure bootstrap stages to allow clean
2789 restart after failure.
2791 2000-09-05 Richard Henderson <rth@cygnus.com>
2793 * config/ia64.md (movsi and movdi patterns): Allow moves from
2794 8-bit constants to AR registers.
2796 2000-09-05 Richard Henderson <rth@cygnus.com>
2798 * config/ia64/ia64.md (mulhi3): New.
2800 2000-09-05 Richard Henderson <rth@cygnus.com>
2802 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
2803 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
2804 Optimization Guide, minimum latency alternative.
2805 (__moddi3, __udivdi3, __umoddi3): Likewise.
2806 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
2808 2000-09-05 Bruce Korb <bkorb@gnu.org>
2810 * fixinc/fixincl.c (load_file): always read header files
2811 with sizes that are a multiple of the page size.
2812 & use libiberty's getpagesize for determining that.
2814 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
2816 * gcse.c (hash_string_1): Add prototype.
2817 * cse.c (canon_hash_string): Likewise.
2819 2000-09-04 Craig Newell <CraigN@ieee.org>
2821 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
2823 2000-09-04 Andreas Schwab <schwab@suse.de>
2825 * Makefile.in (STAGESTUFF): Remove libgcc.
2826 (stage1-start, stage2-start, stage3-start): Copy the contents of
2827 the libgcc directory explicitly.
2828 (mostlyclean): Clean libgcc.
2830 2000-09-04 Andrew Haley <aph@redhat.com>
2832 * dwarf2out.c: (stack_adjust_offset): New prototype.
2834 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
2836 * combine.c (make_extraction): Fix rtx_cost comparison to
2839 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
2841 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
2842 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
2843 Add '*' to insn pattern name.
2845 2000-09-04 Jakub Jelinek <jakub@redhat.com>
2847 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
2848 use posn - 1 to index into tokens array.
2849 (maybe_paste_with_next): Adjust caller.
2851 2000-09-03 Geoff Keating <geoffk@cygnus.com>
2853 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
2855 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
2856 (REGNO_REG_CLASS): Use symbolic register
2859 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
2861 * arm.c (final_prescan_insn): If the form of a jump insn isn't
2862 recognized, don't try to conditionally execute it.
2864 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
2866 * config/avr/avr.md ("*tablejump_lib"): New pattern.
2867 (call_value_insn): Right length claculation.
2868 (call_insn): Likewise.
2870 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
2872 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
2873 gas_output_limited_string, gas_output_ascii, output_movqi,
2874 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
2875 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
2876 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
2877 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
2878 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
2879 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
2880 Add "const" as needed to remove warnings.
2882 * config/avr/avr.c (avr_override_options, avr_init_once,
2883 function_prologue, function_epilogue, frame_pointer_required_p,
2884 class_likely_spilled_p, order_regs_for_local_alloc,
2885 avr_address_cost, avr_ret_register): Use K&R style arguments.
2886 (initial_elimination_offset, gas_output_limited_string):
2887 Remove ATTRIBUTE_UNUSED from the used arguments.
2888 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
2889 Use local variables src, dest, base to access operands[].
2890 Rename reg_dest to reg_src if that's what it is.
2891 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
2892 constants to LD_REGS if reg_was_0.
2893 (output_reload_insisf): Change arg 3 to insn length and set it.
2894 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
2895 access to 16-bit I/O register pairs.
2896 (avr_address_cost): Lower cost for the above case.
2897 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
2898 may be clobbered, also for LD_REGS.
2899 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
2902 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
2904 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
2905 macro to test_hard_reg_class function.
2906 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
2907 for loading immediate constants to LD_REGS.
2908 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
2911 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
2913 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
2914 * config/avr/libgcc.S: Lost part of the previous patch.
2916 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2918 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
2919 object before calling pthread_mutex_init.
2921 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
2923 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
2924 config/sh/crtn.asm: New files.
2925 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
2926 (crt1.o, crti.o, crtn.o): New targets.
2927 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
2929 * configure: Rebuilt.
2930 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2931 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
2932 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
2933 Undefine for config/elfos.h to redefine.
2934 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
2936 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
2938 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
2939 legitimize_pic_address, output_pic_addr_const): Declare.
2940 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
2941 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
2942 (TARGET_SWITCHES): New switch -mprefergot.
2943 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
2944 (PIC_OFFSET_TABLE_REGNUM): Define.
2945 (GOT_SYMBOL_TABLE): Likewise.
2946 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
2947 (ENCODE_SECTION_INFO): Define.
2948 (FINALIZE_PIC): New macros.
2949 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
2950 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
2951 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
2952 (prepare_move_operands): Call emit_pic_move or
2953 emit_pic_const_move if appropriate.
2954 (output_far_jump): For PIC, use braf and output long offset.
2955 (machine_dependent_reorg):
2956 (sh_expand_prologue): Save and initialize the PIC register.
2957 (sh_expand_epilogue): Restore it.
2958 (initial_elimination_offset): Account for it.
2959 (nonpic_symbol_mentioned_p): New function.
2960 (legitimize_pic_address): Likewise.
2961 (output_pic_addr_const): Likewise.
2962 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
2963 (call, call_value): Use them.
2964 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
2965 symPLT_label2reg): New expands.
2966 * invoke.texi (SH Options): Document -mprefergot.
2968 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
2970 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
2971 * gcse.c (hash_string_1): New function.
2972 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
2973 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
2974 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
2975 (canon_hash_string): New function.
2976 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
2977 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
2978 (fold_rtx): Use ASM_OPERANDS accessor macros.
2979 * emit-rtl.c (copy_insn_1): Likewise.
2980 * integrate.c (copy_rtx_and_substitute): Likewise.
2981 * stmt.c (expand_asm_operands): Likewise. Give an
2982 ASM_OPERANDS rtx the mode of the output reg being set from it.
2984 2000-09-01 Fred Fish <fnf@be.com>
2986 * fix-header.c (write_rbrac): Add putc and getc to list of
2987 functions to protect against prior definition as a macro.
2989 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
2991 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
2992 (c_size_type_node): Define.
2993 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
2994 * c-common.c (enum format_lengths, enum format_std_version,
2995 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
2996 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
2997 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
2998 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
2999 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
3000 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
3001 format_types): Define.
3002 (format_char_info, print_char_table, scan_char_table,
3003 time_char_table): Rearrange for new organization of information
3004 about format length modifiers and standard versions.
3005 (T_ST): Redefine to use c_size_type_node.
3006 (check_format_info): Obtain information about length modifiers and
3007 standard versions from tables. Adjust warning message wordings.
3008 Use the name from the user's program for `ll' and `hh' length
3009 modifiers in warning messages. Use more informative names for
3010 wanted types where available (for wchar_t, wint_t, size_t, signed
3011 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
3013 2000-09-01 Jim Wilson <wilson@cygnus.com>
3015 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
3016 * combine.c (distribute_notes): Handle REG_NORETURN.
3017 * rtl.c (reg_note_name): Add REG_NORETURN.
3018 * rtl.h (enum reg_note): Likewise.
3020 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
3022 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
3023 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
3024 (emit_predicate_relation_info): Handle conditional calls with
3026 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
3027 instead of ia64_file_start.
3028 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
3029 * config/ia64/ia64.md (safe_across_calls_all,
3030 save_across_calls_normal): New patterns.
3032 * loop.c (check_final_value): Check for biv use before checking for
3033 giv use. Check for both biv and giv uses. Always set last_giv_use
3034 if there is a giv use.
3036 2000-09-01 Richard Henderson <rth@cygnus.com>
3038 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
3039 (madddi3): Likewise.
3042 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3044 * expr.c (clear_storage): Don't use emit_move_insn unless
3045 either BLKmode or proper size.
3046 (store_constructor): Don't call clear_storage if REG of wrong size.
3048 * flow.c (init_propagate_block_info): Don't mark frame dead at end
3049 of function if returns wiht stack pointer depressed.
3051 2000-09-01 Andrew Haley <aph@redhat.com>
3053 * dwarf2out.c (stack_adjust_offset): New function.
3054 (dwarf2out_stack_adjust): Break out stack adjust logic into
3055 new stack_adjust_offset function. Look inside parallels and
3056 sequences for stack adjustments.
3058 2000-08-31 Jeff Law <law@cygnus.com>
3060 * arm.md: Use no_new_pseudos to determine when it is safe
3061 to create new pseudo registers.
3063 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
3064 when we can safely allocate new registers.
3066 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
3068 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
3069 so that CONCATs are not generated for ASMs.
3070 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
3071 not generating_concat_p.
3072 * function.c (pop_function_context_from): Reset
3073 generating_concat_p.
3074 (prepare_function_start): Likewise.
3075 * rtl.c (generating_concat_p): Define.
3076 * rtl.h (generating_concat_p): Declare.
3077 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
3079 2000-08-22 Philipp Thomas <pthomas@suse.de>
3080 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
3082 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
3085 2000-08-30 Greg McGary <greg@mcgary.org>
3087 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
3088 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
3089 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
3091 2000-08-30 Greg McGary <greg@mcgary.org>
3093 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
3094 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
3095 (TREE_INT_CST): New macro.
3096 * varasm.c (const_hash, compare_constant_1, record_constant_1):
3097 Use new macro TREE_INT_CST.
3099 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
3101 * contrib.texi: Add self.
3103 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
3105 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
3106 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
3109 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3111 * fixinc/gnu-regex.c: Don't define `const'.
3113 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3115 * expr.c (store_constructor): Allow variable bounds of array type.
3116 (expand_expr): Don't blow up if type is ERROR_MARK.
3117 * varasm.c (output_constructor): Don't access lower bound of array
3118 type unless need it if index is supplied (so it can be a variable
3119 if no index is supplied).
3120 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
3121 Other minor cleanups.
3123 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3125 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
3126 for compilations in stage 1 and subsequent stages, respectively.
3127 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
3128 * configure: Rebuilt.
3129 * x-vax, x-vax-gcc: Deleted.
3131 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
3133 * c-common.c (declare_function_name): Use func_id_node,
3134 function_id_node, and pretty_function_id_node. Do not make
3135 __func__ visible at file scope.
3136 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
3137 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
3138 (function_id_node, pretty_function_id_node, func_id_node): New
3140 * c-decl.c (init_decl_processing): Initialize function_id_node,
3141 pretty_function_id_node, and func_id_node.
3142 (c_make_fname_decl): Correct comment.
3144 * tree.h (struct tree_identifier): Constify pointer member.
3146 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
3147 * c-pragma.h (struct weak_syms): Constify name and value members.
3148 (add_weak): Constify arguments.
3150 * calls.c (special_function_p): Constify a char *.
3151 (expand_call): Remove variable which is initialized and then
3153 * dependence.c (struct def_use, struct induction, struct subscript):
3154 Constify 'variable' member.
3155 (get_low_bound, have_induction_variable): Constify char * argument.
3156 (find_induction_variable): Add braces to avoid dangling else.
3157 (classify_dependence): Constify char * arrays.
3158 * profile.c (output_func_start_profiler): Constify a char *.
3159 * stor-layout.c (finalize_record_size): Constify a char *.
3160 * tree.c (is_attribute_p): Constify a char *.
3161 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
3163 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
3164 for comprehensibility. Do not call get_identifier if we did
3165 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
3166 create temporary string constants, not ggc_alloc_string. No
3167 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
3168 char * to hold IDENTIFIER_POINTERs.
3170 2000-08-29 Richard Henderson <rth@cygnus.com>
3172 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
3175 2000-08-29 Richard Henderson <rth@cygnus.com>
3177 * reload.c (push_secondary_reload): Allow class == reload_class
3178 if we're using a reload_in/out pattern.
3180 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
3181 the half that does not conflict with the reload register.
3182 (reload_outti): Likewise.
3184 2000-08-29 Kazu Hirata <kazu@hxi.com>
3186 * reload.c: Fix formatting.
3188 * stmt.c: Fix formatting.
3190 * gcc.c: Fix formatting.
3192 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
3194 * flags.h (time_report, mem_report): New global flags.
3195 * toplev.c: Define time_report and mem_report.
3196 (f_options): Add -ftime-report and -fmem-report.
3197 (compile_file): Turn on time_report if quiet_flag is off.
3198 Call ggc_print_statistics at very end if mem_report is on.
3199 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
3201 * ggc-common.c (ggc_print_statistics): Rename to
3202 ggc_print_common_statistics; all callers changed. Scale
3203 quantities above 10K to kilobytes and above 10M to megabytes.
3204 * ggc-page.c (ggc_page_print_statistics): Rename to
3205 ggc_print_statistics. Report memory consumed by internal data
3206 structures for each allocation bucket. Scale quantities above
3207 10K to kilobytes and above 10M to megabytes.
3208 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
3209 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
3210 Define tally_leaves always.
3211 (ggc_print_statistics): New function.
3212 * ggc.h: Adjust for renamed functions.
3214 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
3216 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
3217 output_movsisf instead of which_alternative.
3219 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
3221 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
3223 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
3224 (avr_progmem_p): New prototype.
3225 (output_movsisf): Prototype declaration changed.
3226 (output_movqi): New prototype.
3227 (output_movhi): New prototype.
3228 (call_insn_operand): Likewise.
3229 (final_prescan_insn): Likewise.
3230 (avr_simplify_comparision_p): Likewise.
3231 (avr_normalize_condition): Likewise.
3232 (compare_eq_p): Likewise.
3233 (out_shift_with_cnt): Likewise.
3234 (const_int_pow2_p): Likewise.
3235 (output_reload_inhi): Prototype declaration changed.
3237 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
3238 (ldi_reg_rtx): New. rtx for r31.
3239 (avr_init_stack): Initialize as "__stack".
3240 (function_prologue): Use it.
3241 Replace all TARGET_ENHANCED with AVR_ENHANCED.
3242 (avr_mcu_name): Initialize as "avr2".
3243 (avr_enhanced_p, avr_mega_p): New variables.
3244 (mcu_types, avr_override_options): Handle all known MCU types.
3245 Also handle avr1 (only preprocess, assemble and link).
3246 (print_operand): Using of `%K' in output template removed.
3247 (out_movqi_r_mr): Optimized.
3248 (out_movhi_r_mr): Likewise.
3249 (output_movqi): New function.
3250 (output_movhi): Likewise.
3251 (out_movsi_r_mr): Optimized.
3252 (output_movsisf): Compute insn length for `adjust_insn_length'
3253 (out_movqi_mr_r): Optimized.
3254 (out_movhi_mr_r): Optimized.
3255 (adjust_insn_length): Use output_movsisf, output_movqi,
3256 output_movhi for insn length adjusting.
3257 (reg_unused_after): Use dead_or_set_p.
3258 (preferred_reload_class): Now havn't any restriction.
3259 (reg_was_0): New function.
3260 (io_address_p): Likewise.
3261 (const_int_pow2_p): Likewise.
3262 (output_reload_inhi): Likewise.
3263 (output_reload_insisf): Likewise.
3265 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
3266 (LIB_SPEC): Use -lc for all supported devices.
3267 (LIBGCC_SPEC): Use -lgcc for all supported devices.
3268 (AVR_MEGA): Define as avr_mega_p.
3269 (AVR_ENHANCED): New, define as avr_enhanced_p.
3270 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
3271 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
3272 (CRT_BINUTILS_SPECS): Handle all known MCU types.
3273 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
3274 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
3275 (ASM_SPEC): Pass -mmcu=... to the assembler.
3276 Change all -DAVR_* to -D__AVR_*__.
3277 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
3278 Rename library functions to start with two underscores.
3279 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
3281 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
3282 (SUPPORTS_WEAK): Likewise.
3283 (LDI_REG_REGNO): New. Register r31 will be used as temporary
3284 register for loading constants to r0-r14.
3286 * config/avr/avr.md: Replace all TARGET_ENHANCED with
3288 (*mov_r_sp): Removed. Handled by output_movhi.
3289 (*mov_sp_r): Likewise.
3290 (*mov_sp_r_no_interrupts): Likewise
3291 (*mov_sp_r_tiny): Likewise.
3292 (*movqi): Use output_movqi.
3293 (*reload_inqi): New.
3294 (*movhi): Use output_movhi.
3295 (*reload_inhi): New.
3296 (*negsi2): Optimized.
3297 (*negsf2): Likewise.
3298 Added peepholes (define_peephole2) for loading constants to r0-r14
3299 and for using `cpse' command.
3301 * config/avr/libgcc.S: Rename library functions to start with two
3303 Add support for enhanced core.
3304 (_moqhi3): Fix typo, now _modqi3.
3305 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
3306 (__prologue_saves__): Remove test for stack adjust by 0.
3307 (__tablejump__): New.
3309 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
3310 Add multilib support.
3312 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
3314 * loop.c (prescan_loop): Don't check unknown_address_altered
3315 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
3316 to loop_store_mems as necessary.
3317 (loop_invariant_p): Don't check unknown_address_altered
3318 or unknown_constant_address_altered.
3320 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3322 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
3324 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
3326 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
3327 print just the filename.
3328 * cpplex.c (_cpp_run_directive): Add additional argument, the
3329 name to give the synthetic buffer. This defaults to
3330 translated "<command line>".
3331 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
3333 (_cpp_define_builtin): New function.
3334 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
3335 * cpphash.h: Update prototypes.
3337 * tradcpp.c (main): Process -D and -U simultaneously, in the
3338 order they appeared on the command line.
3340 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3342 * c-decl.c (define_label): Call warning_with_file_and_line and
3343 error_with_file_and_line instead of plain warning or error.
3345 * c-parse.in (label): Use save_filename/save_lineno to ensure
3346 correct values for calls to define_label.
3348 2000-08-29 Mark Mitchell <mark@codesourcery.com>
3350 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
3352 * expr.c (expand_expr, case TARGET_EXPR): Don't call
3354 * tree.h (get_file_function_name): Remove two duplicate
3357 2000-08-28 Kazu Hirata <kazu@hxi.com>
3359 * tree.c: Fix formatting.
3361 * xcoffout.c: Fix formatting.
3363 2000-08-28 Jason Merrill <jason@redhat.com>
3365 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
3367 2000-08-28 Daniel Berlin <dberlin@redhat.com>
3369 * dwarf2out.c (dwarf2out_finish): Don't bother calling
3370 break_out_includes if it won't do anything.
3372 2000-08-28 Richard Henderson <rth@cygnus.com>
3374 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
3375 (find_reloads): Likewise.
3376 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
3377 (reload_inhi): Likewise.
3379 2000-08-28 Richard Henderson <rth@cygnus.com>
3381 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
3382 (call_insn_operand): Don't expect a surrounding mem.
3383 (constant_call_address_operand): Likewise.
3384 * config/i386/i386.h (PREDICATE_CODES): Update.
3385 * config/i386/i386.md (call patterns): Move the match_operand
3386 for the call destination inside the mem.
3388 2000-08-28 Richard Henderson <rth@cygnus.com>
3390 * local-alloc.c (requires_inout): Don't use reserved range for
3391 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
3392 * recog.c (asm_operand_ok): Likewise.
3393 (preprocess_constraints, constrain_operands): Likewise.
3394 * regclass.c (record_reg_classes): Likewise.
3395 * reload.c (find_reloads): Likewise.
3396 * reload1.c (maybe_fix_stack_asms): Likewise.
3397 (reload_cse_simplify_operands): Likewise.
3398 * stmt.c (expand_asm_operands): Likewise.
3400 * md.texi: Update constraints documentation.
3401 * tm.texi (EXTRA_CONSTRAINT): Update.
3403 2000-08-28 Daniel Berlin <dberlin@redhat.com>
3405 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
3406 (print_die): If we don't know the offset of the
3407 target die, try the symbol. Add a trailing newline.
3408 (reverse_all_dies): New fn.
3409 (dwarf2out_finish): Call it.
3410 (break_out_includes): Reorganize for clarity.
3411 (add_sibling_attributes): Don't call reverse_die_lists.
3412 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
3414 * flags.h: Add flag_eliminate_dwarf2_dups.
3415 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
3417 2000-08-28 Jason Merrill <jason@redhat.com>
3419 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
3420 * dwarf2out.c: #include "md5.h".
3421 (DIE_LABEL_PREFIX): New macro.
3422 (dw_val_struct): Add 'external' flag to val_die_ref.
3423 (add_AT_die_ref, AT_ref): Adjust.
3424 (AT_ref_external, set_AT_ref_external): New fns.
3425 (build_abbrev_table): Call set_AT_ref_external.
3426 (value_format): Call AT_ref_external.
3427 (die_struct): Add die_symbol field.
3428 (new_die): Clear it.
3429 (dwarf_tag_name): Handle BINCL/EINCL.
3430 (dwarf2out_start_source_file): Add BINCL DIE.
3431 (dwarf2out_end_source_file): Add EINCL DIE.
3432 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
3433 (loc_checksum, attr_checksum, die_checksum): New fns.
3434 (is_type_die, is_comdat_die, is_symbol_die): New fns.
3435 (compute_section_prefix, assign_symbol_names): New fns.
3436 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
3437 (output_die): Call output_die_symbol and AT_ref_external.
3438 (output_comdat_comp_unit): New fn, split out from...
3439 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
3441 (output_pubnames, output_aranges): Abort if we see entries from
3443 * toplev.h: Declare file_name_nondirectory.
3444 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
3445 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
3446 (debug_start_source_file): Call dwarf2out_start_source_file
3447 regardless of debug verbosity.
3448 (debug_end_source_file): Similarly.
3449 * tree.h: Declare clean_symbol_name.
3450 * tree.c (clean_symbol_name): Split out from...
3451 (get_file_function_name_long): ...here.
3453 * dwarf2out.c (new_loc_descr): Use calloc.
3454 (splice_child_die): Remove the die from the right parent.
3455 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
3457 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3459 * toplev.c (decode_g_option): Don't give warning for unknown -g
3460 option; return 0 instead.
3461 (main): If -g option is not recognized by front end or
3462 language-independent code, give warning.
3464 2000-08-28 Greg McGary <greg@mcgary.org>
3466 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
3467 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
3468 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
3470 2000-08-27 Greg McGary <greg@mcgary.org>
3472 * cpplex.c (parse_string): Don't look for backslash
3473 before first char in `namebuf'.
3474 * loop.c (strength_reduce): Skip NOTEs.
3476 2000-08-27 Jason Merrill <jason@redhat.com>
3478 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
3479 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
3480 TREE_ASM_WRITTEN, either.
3481 (finish_decl): Adjust.
3483 2000-08-28 Philipp Thomas <pthomas@suse.de>
3485 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
3486 they have been incorporated into the gettext CVS. Change the text to
3487 reflect the current status of NLS. Add instructions for accessing
3488 the gettext CVS and add the patch from Martin v. Loewis.
3490 2000-08-27 Geoff Keating <geoffk@cygnus.com>
3492 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
3493 by using gen_lowpart_common.
3494 (movdi_internal64+6): Likewise.
3496 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
3498 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
3501 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
3502 numbers to the ranges used by GDB.
3504 2000-08-25 Richard Henderson <rth@cygnus.com>
3506 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
3507 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
3508 (ia64_expand_prologue): Likewise.
3509 (ia64_setup_incoming_varargs): Set it. Properly skip the current
3510 argument for stdargs.
3512 2000-08-25 Jason Merrill <jason@redhat.com>
3514 * integrate.c (expand_inline_function): Pull out the original decl.
3516 2000-08-25 Jim Wilson <wilson@cygnus.com>
3518 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
3520 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
3522 2000-08-25 Greg McGary <greg@mcgary.org>
3524 * flow.c (dump_edge_info): Use ARRAY_SIZE.
3525 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
3527 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
3529 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
3531 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
3533 * i386.c (ix86_find_base_term): New.
3534 * i386-protos.h (ix86_find_base_term): Prototype.
3535 * i386.h (FIND_BASE_TERM): Define.
3536 * alias.c (find_base_term): Use it.
3537 * tm.texi (FIND_BASE_TERM): Document it.
3539 * alias.c (true_dependence, write_dependence_p): Unchanging
3540 memory can't conflict with non-unchanging memory.
3542 * alias.c (memrefs_conflict_p): A BLKmode reference
3543 to a symbol (or CONST_INT address) always conflicts
3544 with a reference to another symbol.
3546 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
3548 * c-common.c (time_char_table): Don't allow width and flags with
3551 2000-08-25 Jakub Jelinek <jakub@redhat.com>
3553 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
3554 way as LT and LTU when the second operand has 0 in low word.
3556 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3558 * basic-block.h (struct loop): Rename `exits' field to
3559 `exit_edges'. Add `entry_edges' and `num_entries' fields.
3561 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
3562 (flow_loop_entry_edges_find): Add.
3563 (flow_edge_list_print): Rename from flow_exits_print.
3564 (flow_loops_find): Call flow_loop_entry_edges_find.
3565 (flow_loop_dump): Dump entry_edges list.
3566 (flow_loops_free): Free entry_edges.
3568 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3570 * loop.c (loop_dump_aux, debug_loop): New functions.
3571 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
3573 * flow.c (flow_loops_dump): Add callback parameter.
3574 (flow_loop_dump): Add callback parameter and call it. Move
3575 loop note debugging code to loop_dump_aux.
3577 * basic-block.h (flow_loop_dump): Add callback parameter
3578 (flow_loops_dump): Likewise.
3580 * toplev.c (rest_of_compilation): Add NULL callback function pointer
3581 to call to flow_loops_dump.
3583 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3585 * loop.c (count_loop_regs_set): Replace start and end arguments
3586 with loop argument. All callers udated.
3588 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3590 * loop.c (constant_high_bytes): Delete.
3592 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3594 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
3595 and NOTE_INSN_LOOP_VTOP to...
3596 (find_and_verify_loops) ...here.
3598 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
3600 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
3601 (fini_dummy, init_dummy): Use it.
3603 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
3605 * cpplex.c (is_macro_disabled): Caller has already checked
3606 that we're not a preprocessed file.
3608 2000-08-24 Mark Mitchell <mark@codesourcery.com>
3610 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
3611 (c-iterate.o): Remove target.
3612 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
3613 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
3614 (finish_decl): Don't handle iterators.
3615 (grokdeclarator): Likewise.
3616 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
3617 * gcc/c-gperf.h: Regenerated.
3618 * gcc/c-iterate.c: Removed.
3619 * gcc/c-lex.c (init_lex): Don't handle iterators.
3620 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
3621 (compstmt_primary_start): Remove push_iterator_stack call.
3622 (stmt): Don't allow iterator statements. Replace iterator_expand
3623 with expand_expr_stmt.
3624 (all_iter_stmt): Remove.
3625 (all_iter_stmt_simple): Likewise.
3626 (all_iter_stmt_with_decl): Likewise.
3627 * gcc/c-tree.h (ITERATOR_P): Remove.
3628 (ITERATOR_BOUND_P): Likewise.
3629 (init_iterators): Remove declaration.
3630 (iterator_expand): Likewise.
3631 (iterator_for_loop_start): Likewise.
3632 (iterator_for_loop_end): Likewise.
3633 (iterator_for_loop_record): Likewise.
3634 (push_iterator_stack): Likewise.
3635 (pop_iterator_stack): Likewise.
3636 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
3637 (readonly_warning): Likewise.
3638 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
3640 2000-08-24 Jim Wilson <wilson@cygnus.com>
3642 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
3643 Copy type in a TYPE_DECL, just like pushdecl does.
3645 2000-08-24 Richard Henderson <rth@cygnus.com>
3647 * toplev.c (main): Enable flag_reorder_blocks at -O2.
3649 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
3651 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
3652 asked for one page, allocate GGC_QUIRE_SIZE of them and put
3653 the extras on the free list.
3654 (release_pages): Clean up.
3655 (ggc_set_mark): Don't adjust G.allocated here...
3656 (sweep_pages): ... do it here.
3658 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
3660 * cppfiles.c (read_include_file): Rearrange initializations.
3662 2000-08-24 Richard Henderson <rth@cygnus.com>
3664 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
3666 * config/ia64/ia64-protos.h: Update.
3667 * config/ia64/ia64.c (gr_register_operand): New.
3668 (fr_register_operand, grfr_register_operand): New.
3669 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
3670 (grfr_reg_or_8bit_operand): New.
3671 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
3672 use gr_register_operand.
3673 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
3674 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
3675 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
3676 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
3677 (fr_reg_or_fp01_operand): Likewise.
3678 (not_postinc_memory_operand): New.
3679 (ia64_split_timode): Remove unused variables.
3680 (rtx_needs_barrier): Check arguments to cmpxchg.
3681 (builtin_description): Remove.
3682 (bdesc_2argsi, bdesc_2argdi): Remove.
3683 (ia64_init_builtins): Declare all builtins directly.
3684 (ia64_expand_fetch_and_op): Rewrite to be called from
3685 ia64_expand_builtin directly. Use expand_binop and co.
3686 (ia64_expand_op_and_fetch): Likewise.
3687 (ia64_expand_compare_and_swap): Likewise.
3688 (ia64_expand_binop_builtin): Remove.
3689 (ia64_expand_lock_test_and_set): New.
3690 (ia64_expand_lock_release): New.
3691 (ia64_expand_builtin): Use them.
3692 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
3693 (EXTRA_CONSTRAINT): Use it.
3694 (PREDICATE_CODES): Update.
3695 * config/ia64/ia64.md (*): Use gr_register_operand and co.
3696 (mf): Indicate that we set memory as well as use it.
3697 (fetchadd_acq_si): Show memory being modified as well.
3698 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
3699 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
3700 (lock_test_and_set_si, lock_test_and_set_di): Remove.
3701 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
3702 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
3703 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
3704 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
3705 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
3706 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
3707 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
3708 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
3709 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
3710 return type. Pretty print definitions.
3712 2000-08-24 Jim Wilson <wilson@cygnus.com>
3714 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
3715 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
3717 2000-08-24 Jason Merrill <jason@redhat.com>
3719 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
3720 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
3721 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
3722 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
3724 2000-08-24 Greg McGary <greg@mcgary.org>
3726 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
3727 and extendtab within their proper array boundaries.
3728 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
3729 for the entire array.
3731 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
3732 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
3733 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
3734 * config/fr30/fr30.c (fr30_print_operand): Likewise.
3735 * config/i386/dgux.c (output_options): Likewise.
3736 * config/i386/dgux.h (ASM_FILE_START): Likewise.
3737 * config/m88k/m88k.c (output_options): Likewise.
3738 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
3739 * config/mcore/mcore.c (mcore_output_inline_const_forced,
3740 layout_mcore_frame, handle_structs_in_regs): Likewise.
3741 * config/mips/mips.c (output_block_move): Likewise.
3742 * config/rs6000/rs6000.c (rs6000_override_options,
3743 rs6000_file_start): Likewise.
3744 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
3745 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
3746 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
3747 * builtins.c (expand_builtin_setjmp): Likewise.
3748 * expr.c (safe_from_p): Likewise.
3749 * flow.c (life_analysis): Likewise.
3750 * fold-const.c (size_int_type_wide): Likewise.
3751 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
3752 * genattrtab.c (make_length_attrs): Likewise.
3753 * genopinit.c (gen_insn): Likewise.
3754 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
3755 * global.c (global_alloc): Likewise.
3756 * local-alloc.c (find_free_reg): Likewise.
3757 * mips-tdump.c (print_symbol): Likewise.
3758 * mips-tfile.c (parse_def, parse_input): Likewise.
3759 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
3760 * stmt.c (expand_nl_goto_receiver): Likewise.
3761 * stor-layout.c (set_sizetype): Likewise.
3762 * varasm.c (decode_reg_name): Likewise.
3763 * toplev.c (decode_f_option, decode_W_option,
3764 set_target_switch, print_switch_values): Likewise.
3765 (NUM_ELEM): Remove macro.
3766 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
3768 2000-08-24 Greg McGary <greg@mcgary.org>
3770 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
3771 (MAIN_NAME_P, main_identifier_node): New macros.
3772 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
3773 * c-decl.c (start_decl, grokdeclarator, start_function,
3774 store_parm_decls, finish_function): Use MAIN_NAME_P.
3775 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
3776 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
3777 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
3778 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
3780 2000-08-24 Greg McGary <greg@mcgary.org>
3782 * cppfiles.c (actual_directory): Don't write beyond `dir'
3783 when it contains "".
3784 * real.c (asctoeg): Stay within bounds of etens[][].
3786 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3788 * dependence.c (dependence_string, direction_string,
3789 dump_one_node, dump_node_dependence): Hide unused identifiers.
3790 (get_low_bound, normalize_coefficients): Match definition to
3792 (get_one_coefficient): Initialize variables `value0_is_idx' and
3794 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
3795 (ziv_test): Delete variable `idx', use parameter `sub' instead.
3796 (direction_merge): Avoid automatic aggregate initialization.
3797 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
3798 Initialize variables `dest_idx' and `src_idx'.
3799 (end_dependence_analysis): Avoid C89 style function definition.
3801 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
3803 * c-common.c (time_char_table): Don't allow width with %F.
3804 (check_format_info): Don't allow "Z" length with scanf.
3806 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
3808 * diagnostic.c (finish_diagnostic): Define.
3809 (output_do_printf): Use wrap_text instead of output_add_string.
3810 (default_print_error_function): Avoid embedded '\n'.
3812 * diagnostic.h (flush_diagnostic_buffer): Declare.
3814 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
3816 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
3818 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
3820 * Makefile.in (GCC_PASSES): Add specs.
3822 2000-08-23 Jim Wilson <wilson@cygnus.com>
3824 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
3825 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
3826 EHANDLER nor UHANDLER bit is set.
3827 (__get_except_table): Likewise.
3829 2000-08-23 Nick Clifton <nickc@redhat.com>
3831 * config/arm/lib1funcs.asm: Replace upper case condition codes
3832 with lower case versions.
3834 * config/arm/arm.h (STRUCT_VALUE): Define.
3835 (STRUCT_VALUE_REGNUM): Delete.
3837 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
3839 * cpphash.h (IN_I): New flag for directive table.
3840 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
3842 (_cpp_check_directive): If -fpreprocessed, execute directives
3843 marked with IN_I. Issue no warnings in this case.
3844 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
3846 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
3848 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
3850 (check_format_info): Support printf 'I' flag; warn about it with
3853 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
3855 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
3856 barrier can't be ignored by the alias analysis code.
3858 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
3860 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
3861 works inside fixincl.
3863 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
3865 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
3866 simplify_relational_operation() unless both operands are of
3868 * cse.c (fold_rtx): Likewise.
3870 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
3872 * rtlanal.c (rtx_unstable_p): The pic register is stable
3873 (within one function) and the actual rtx should be used
3874 when checking the registers.
3875 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
3877 * alias.c (true_dependence, write_dependence_p): Fix
3878 bug in previous patch.
3880 * i386.c (ix86_GOT_alias_set): New.
3881 (legitimize_pic_address): Use it.
3883 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
3884 only stable if its address is stable.
3885 (rtx_varies_p): An unchanging MEM can't vary if
3886 its address doesn't vary.
3888 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3890 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
3892 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3894 * vax.h (ASM_SPEC): Pass `-J' to assembler.
3895 * x-vax-gcc: New file for bootstrapping with gcc.
3896 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
3897 * configure.in: Use x-vax-gcc with gcc.
3898 * configure: Rebuilt.
3900 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3902 * toplev.c (rest_of_compilation): Rebuild label notes after
3903 post-reload splitting pass if new labels have been created.
3905 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
3907 * diagnostic.h (output_buffer_state): New macro.
3908 * diagnostic.c (diagnostic_for_decl, sorry,
3909 default_print_error_function, output_do_verbatim,
3910 report_diagnostic, report_problematic_module): Use it.
3912 (output_format): Use wrap_text instead of maybe_wrap_text.
3914 2000-08-22 Nick Clifton <nickc@redhat.com>
3916 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
3917 Common code for ARM divide and modulus functions.
3918 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
3920 (FUNC_END): New macro: Common code at the end of the division and
3922 (THUMB_FUNCTION_START): New macro: Common code at the start of
3924 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
3926 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
3928 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
3930 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
3931 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
3934 2000-08-22 Nick Clifton <nickc@redhat.com>
3936 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
3937 restorative additions, test for bottom bits of IP being set,
3938 rather than relying upon the RORs not matching.
3941 2000-08-22 David Edelsohn <edelsohn@gnu.org>
3943 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
3944 text_section() as appropriate instead of emitting text csect
3946 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
3947 (UNIQUE_SECTION): Define macro.
3948 (ASM_OUTPUT_SECTION_NAME): Define macro.
3949 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
3950 on AIX if debugging and -fdata-sections always.
3952 2000-08-22 Steven King <sxking@uswest.net>
3954 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
3956 (LDBL_MAX): Same here.
3958 2000-08-22 Richard Henderson <rth@cygnus.com>
3960 * flow.c (tidy_fallthru_edge): Update b->end properly.
3962 2000-08-22 Stan Cox <scox@redhat.com>
3964 * Makefile.in (OBJS): Add dependence.o.
3965 * dependence.c: New file.
3967 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
3969 * calls.c (check_sibcall_argument_overlap_1): Adjust for
3971 (check_sibcall_argument_overlap): Likewise.
3973 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
3975 * invoke.texi (SH Options): Document -m4-nofpu,
3976 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
3977 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
3979 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
3981 * c-common.c (check_format_info): Give the 'some locales' warning
3982 for strftime %Ey rather than the unconditional 'only last 2 digits
3985 2000-08-22 Richard Henderson <rth@cygnus.com>
3987 * alias.c (init_alias_analysis): Do not register
3988 struct_value_incoming_rtx or static_chain_rtx as pointing
3991 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
3993 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
3995 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
3997 * diagnostic.h (report_problematic_module): Declare.
3998 * diagnostic.c (report_problematic_module): New function.
3999 (report_error_function): Tweak.
4001 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4003 * stmt.c (expand_goto_internal, fixup_gotos): Only check
4004 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
4006 2000-08-21 Richard Henderson <rth@cygnus.com>
4008 * flow.c (calculate_global_regs_live): Mark frame pointer live
4009 everywhere before reload.
4011 2000-08-21 Jim Wilson <wilson@cygnus.com>
4013 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
4014 INTEL_EXTENDED_IEEE_FORMAT.
4015 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
4016 clear last two bytes of output FP value.
4018 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
4020 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
4022 2000-08-21 Jakub Jelinek <jakub@redhat.com>
4024 * unroll.c (loop_find_equiv_value): If ret is modified between
4025 insn and loop_start, ret might not be equivalent to reg.
4027 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
4029 * c-common.c (init_dollar_format_checking,
4030 maybe_read_dollar_number, finish_dollar_format_checking): New
4032 (dollar_arguments_used, dollar_arguments_count,
4033 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
4035 (check_format_info): Support $ formats for scanf and printf width
4036 and precision. Always increment format_chars to advance past the
4037 '*' of precision, not just when the format parameters are
4040 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4042 * mips.c (block_move_loop, expand_block_move,
4043 function_arg_partial_nregs, save_restore_insns, function_prologue,
4044 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
4046 (function_arg_advance, function_arg): Match argument to format
4049 2000-08-21 Nix <nix@esperi.demon.co.uk>
4051 * gcc.c (do_spec_1): Implement %j spec flag.
4052 Remove dead comment.
4054 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
4055 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
4056 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
4057 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
4059 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
4060 writable) instead of hardcoded value.
4062 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
4064 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
4067 * gcc.c (cc1_options): Do not process -o or run the assembler if
4069 * objc/lang-spec.h: Likewise.
4071 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
4073 * fixinc/fixincl.c (fix_with_system): Pipe the output of
4074 "external" fixes through `cat', to avoid truncating the input
4075 file by redirection.
4077 2000-08-21 Jakub Jelinek <jakub@redhat.com>
4079 * config/i386/i386.md (lea_general_1): Copy insn condition to split
4081 (lea_general_2, lea_general_3): Likewise.
4083 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4085 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
4086 warnings to user code.
4088 * c-lex.c (readescape, yylex): Likewise.
4090 * c-typeck.c (store_init_value, process_init_element): Likewise
4091 (c_expand_start_case): Format.
4093 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
4095 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
4097 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
4098 and linker_endian_spec to endian_spec.
4099 (ENDIAN_SPEC): Add %{EB} and %{EL}.
4100 (LINK_SPEC): Remove %{EB} and %{EL}.
4101 (ASM_SPEC): Likewise. Use %(endian_spec).
4103 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
4105 * c-tree.h (flag_hosted): Move declaration from here...
4106 * c-common.h (flag_hosted): ... to here.
4107 (flag_noniso_default_format_attributes): New declaration.
4108 * c-decl.c (flag_noniso_default_format_attributes): New variable.
4109 (c_decode_option): Set it appropriately for options choosing
4110 language standard variant.
4111 * c-common.c (init_function_format_info): Only provide default
4112 format attributes if flag_hosted. Only provide the gettext
4113 formats if flag_noniso_default_format_attributes. Update
4115 (check_format_info): Disable treatment of %a as a scanf flag in
4118 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
4120 * c-common.c (scan_char_table): Add 'w' to flags for all formats
4122 (check_format_info): Set 'wide' for scanf format widths. Warn for
4123 a zero scanf width. Make the check for writing into a constant
4124 object at the first level of indirection; at later levels, warn if
4125 any type qualifiers are encountered.
4127 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
4129 * reload.c (reload_inner_reg_of_subreg): New function broken out of
4131 (push_reload): Use reload_inner_reg_of_subreg.
4132 (combine_reloads): Do not combine reloads if the input reload
4133 is a SUBREG in which the inner part will need reloading.
4135 * global.c (global_alloc): Avoid passing dumpfile argument to
4137 * toplev.c (rest_of_compilation): Likewise.
4138 * reload.h (reload): Remove dumpfile argument. Callers changed.
4139 (debug_reload, debug_reload_to_stream): Move prototypes here.
4140 * rtl.h (reload): Remove dumpfile argument.
4141 * reload.c (debug_reload): Remove prototype.
4142 (debug_reload_to_stream): Likewise.
4143 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
4146 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4148 * diagnostic.c (context_as_prefix): Export.
4149 (need_error_newline): Remove.
4150 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
4151 (error_module_changed, record_last_error_module,
4152 error_function_changed, record_last_error_function): New functions.
4153 (initialize_diagnostics): Default intialize
4154 lang_diagnostic_starter, lang_diagnostic_finalizer.
4155 (init_output_buffer): Tweak.
4156 (file_name_as_prefix): New function.
4157 (announce_function, default_print_error_function,
4158 report_error_function, set_diagnostic_context): Tweak.
4160 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
4162 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
4163 condition expression.
4165 2000-08-20 Richard Henderson <rth@cygnus.com>
4167 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
4169 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
4171 * cppinit.c (cpp_init): Set global flag when called.
4172 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
4174 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
4176 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
4177 before `process_directive' so that newlines won't be missed
4179 (cpp_printf): Increment `print->lineno' when newline is emitted.
4181 * cppmain.c (cb_ident): Likewise.
4182 (cb_define): Likewise.
4183 (cb_undef): Likewise.
4184 (cb_include): Likewise.
4185 (cb_def_pragma): Likewise.
4186 (dump_macros_helper): Likewise.
4188 2000-08-20 Richard Henderson <rth@cygnus.com>
4190 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
4191 assigned before a loop.
4193 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
4194 (ashrsi3, lshrsi3): Likewise.
4196 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
4198 * c-lang.c: #include diagnostic.h
4199 (c_tree_printer): New function.
4200 (lang_init): Initialize lang_printer.
4202 * Makefile.in (c-lang.o): Depends on diagnostic.h
4204 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
4206 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
4208 * diagnostic.c (default_diagnostic_starter,
4209 default_diagnostic_finalizer): New functions.
4210 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
4211 (pedwarn, pedwarn_with_file_and_line, error,
4212 error_with_file_and_line, fatal, warning,
4213 warning_with_file_and_line): Adjust call to report_diagnostic.
4214 (report_diagnostic): Rework.
4215 (set_diagnostic_context): New function.
4217 * diagnostic.h (struct diagnostic_context): New data structure.
4218 (diagnostic_message, diagnostic_argument_list,
4219 diagnostic_file_location, diagnostic_line_location,
4220 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
4221 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
4222 (set_diagnostic_context): Declare.
4223 (report_diagnostic): Change prototype.
4225 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
4227 * fix-header.c (main): Initialize cpplib.
4229 2000-08-19 Michael Meissner <meissner@redhat.com>
4231 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
4232 instructions in it before checking for indirect jumps.
4234 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
4235 in a indirect jump as a potential for conditional execution.
4237 * d30v.h (d30v_init_expanders): Don't declare here.
4238 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
4241 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
4243 * cpp.texi: Add @section for assertions.
4245 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
4247 * loop.c (scan_loop): Use CONST_CALL_P instead of
4248 checking for REG_LIBCALL / REG_RETVAL.
4250 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
4252 * reload1.c (reload_as_needed): Accept dumpfile argument,
4253 pass it to emit_reload_insns.
4254 (emit_reload_insns): Add new dumpfile argument. If non-null
4255 then dump the reloads for each insn into the dumpfile.
4256 (reload): Pass dumpfile to reload_as_needed.
4258 * invoke.texi: Clean up linux-gnu vs linux comments.
4260 2000-08-19 Richard Henderson <rth@cygnus.com>
4262 * config/ia64/ia64.c (reg_or_5bit_operand): New.
4263 (ia64_depz_field_mask): New.
4264 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
4265 (PREDICATE_CODES): Update.
4266 * config/ia64/ia64.md: Update commentary.
4267 (depz_internal): New.
4268 (ashlsi3): Implement directly.
4269 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
4270 (ashldi3): Use shladd.
4271 * config/ia64/ia64-protos.h: Update.
4273 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
4275 * toplev.c (independent_decode_option): Always process -g.
4276 Remove third argument, now unused. Adjust caller to match.
4278 2000-08-18 Richard Henderson <rth@cygnus.com>
4280 * combine.c (make_compound_operation): Break after creating
4283 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
4285 * cpplib.c (cpp_register_pragma_space): Just return if the
4286 namespace is already registered.
4288 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
4290 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
4291 constant amount. Do not generate ROTL instruction.
4293 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
4295 * config/sh/elf.h: Do not include sh/sh.h.
4296 * config/sh/rtems.h: Likewise.
4297 * config/sh/rtemself.h: Do not include sh/elf.h.
4298 * configure.in: Get them included with `tm_file's.
4299 * configure: Rebuilt.
4301 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
4302 * config/sh/sh.c (fpscr_set_from_mem): Use them.
4304 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4306 * stor-layout.c (compute_record_type): Don't use mode of single
4307 field as mode of record if not integer mode of same type.
4309 * regmove.c (perhaps_ends_bb_p): New function.
4310 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
4311 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
4312 (fixup_match_1): Likewise.
4313 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
4314 avoid signed/unsigned warnings.
4316 * function.c (fixup_var_refs_1, case MEM): Update CODE after
4319 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
4321 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
4322 (_cpp_trigraph_map): Declaration moved from cpplex.c
4324 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
4325 instead of 256. Use consistent test for designated initializers.
4326 (cpp_init): Initialize trigraph_map.
4327 (initialize_standard_includes, parse_option): Use memcmp
4330 * cpplex.c (init_trigraph_map): Remove.
4331 (trigraph_ok, trigraph_replace, lex_line): Refer to
4334 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
4335 (do_unassert): Remove unused "next" local.
4337 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
4339 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
4341 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
4344 2000-08-17 Richard Henderson <rth@cygnus.com>
4346 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
4347 the first insn in a sequence.
4349 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
4351 * alias.c (true_dependence, write_dependence_p): A read
4352 involving a label_ref or the constant pool doesn't create
4355 * rtl.h (unchanging): Improve documentation.
4357 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
4359 * cse.c (insert_regs): Remove unused `regno'.
4361 2000-08-17 Neil Booth <NeilB@earthling.net>
4363 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
4364 remove_dup_dirs. If qtail == brack, remove brack not
4366 (remove_dup_dir, remove_dup_dirs): New functions.
4368 2000-08-17 Neil Booth <NeilB@earthling.net>
4370 * cppinit.c (cpp_cleanup): Free include dir chains.
4371 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
4372 (do_unassert): Free the assert with _cpp_free_definition.
4373 * cppmacro.c (_cpp_free_definition): Free memory allocated for
4374 assertions. Make the node a T_VOID node.
4376 2000-08-17 Neil Booth <NeilB@earthling.net>
4378 * cppinit.c (path_include, append_include_chain):
4379 Remove 2nd parameter (struct cpp_pending *).
4380 (path_include, initialize_standard_includes, cpp_handle_option):
4381 Update callers appropriately.
4382 (cpp_handle_option): Use pend.
4384 2000-08-17 Neil Booth <NeilB@earthling.net>
4386 * cppinit.c (sort_options): Remove, put functionality in
4389 (initialize_builtins): Free memory.
4390 (cpp_start_read): Move init_IStable to cpp_init.
4392 * cpplib.h (cpp_init): New prototype.
4393 * cppmain.c (main): Call cpp_init.
4395 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
4397 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
4398 (rtx_unstable_p, rtx_varies_p): Process vectors.
4400 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
4402 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
4403 references to GLOBAL symbols. Use LOCAL where appropriate.
4405 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4407 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
4408 use t-aix41 when host == target.
4410 2000-08-16 Richard Henderson <rth@cygnus.com>
4412 * reload.c (push_secondary_reload): Revert last change.
4413 If we use a reload_in/out pattern, make the when the same
4414 as the primary reload.
4415 (find_reloads): Likewise.
4417 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
4419 * configure.in (libstdcxx-v3): Fix test.
4420 * configure: Regenerate.
4422 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4424 * calls.c (calls_function_1, expand_call): Only test
4425 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
4426 * function.c (thread_prologue_and_epilogue_insns): Likewise.
4428 2000-08-16 Richard Henderson <rth@cygnus.com>
4430 * combine.c (simplify_shift_const): Revert previous two
4431 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
4432 before the main loop.
4434 2000-08-15 Richard Henderson <rth@cygnus.com>
4436 * combine.c (simplify_shift_const): Bound shift count when
4439 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4441 * calls.c (ECF_SP_DEPRESSED): New macro.
4442 (calls_function_1): Treat calling sp-depressed function as alloca.
4443 (emit_call_1): Don't adjust SP if calling sp-depressed function.
4444 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
4445 If sp-depressed, ensure block saves and restores SP.
4446 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
4448 * function.c (keep_stack_depressed): New function.
4449 (thread_prologue_and_epilogue_insns): Call it.
4450 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
4451 to print DECL_OFFSET_ALIGN.
4452 Print no-force-blk and transparent-union flags properly.
4453 * stmt.c (expand_goto_internal): Don't restore stack if last block
4454 and function returns with sp depressed.
4455 (fixup_gotos): Likewise.
4456 (save_stack_pointer): New function, from code in expand_decl.
4457 (expand_decl): Call new function.
4458 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
4459 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
4460 (save_stack_pointer): New declaration.
4462 * diagnostic.c (fatal_function): New variable.
4463 (set_fatal_function): New function.
4465 * diagnostic.h (set_fatal_function): New declaration.
4467 2000-08-15 William Cohen <wcohen@redhat.com>
4469 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
4470 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
4471 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
4473 2000-08-15 Richard Henderson <rth@cygnus.com>
4475 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
4477 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4479 * arm.c (arm_function_ok_for_sibcall): New function.
4480 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
4481 * arm.md (call expanders): Don't check here for calls that can't
4484 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4486 * arm.md (splits generating cond_exec): Disable.
4488 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4490 * arm/linux-elf.h (text_section): Delete declaration.
4492 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4494 ARM support for unordered FP operations.
4495 * arm-protos.h (arm_comparison_operator): Declare.
4496 * arm.c (arm_comparison_operator): New function.
4497 (arm_select_cc_mode): Add unordered comparison codes.
4498 (get_arm_condition_code): Likewise.
4499 (arm_final_prescan_insn): Can't handle unordered jumps that can't
4500 be done in one insn.
4501 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
4502 * arm.md (all uses of comparison_operator): Replace with
4503 arm_comparison_operator.
4504 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
4506 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
4509 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4511 * gthr-posix.h: Conditionally include <sched.h>; include
4512 <config.h> from libobjc/.
4514 2000-08-14 Richard Henderson <rth@cygnus.com>
4516 * config/i386/i386.c (legitimize_pic_address): Use Pmode
4519 2000-08-14 Richard Henderson <rth@cygnus.com>
4521 * configure.in (ia64-*): Set float_format for i386 long double.
4523 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
4524 as we would for i386 XFmode.
4525 (PUT_REAL): Likewise.
4526 (endian, ereal_atof, real_value_truncate): Likewise.
4527 (ereal_isneg, toe64, etens, make_nan): Likewise.
4528 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
4530 * config/ia64/ia64-protos.h: Update.
4531 * config/ia64/ia64.c (general_tfmode_operand): New.
4532 (destination_tfmode_operand): New.
4533 (tfreg_or_fp01_operand): New.
4534 (ia64_split_timode): New.
4535 (spill_tfmode_operand): New.
4536 (ia64_expand_prologue): Use TFmode not XFmode.
4537 (ia64_expand_epilogue): Likewise.
4538 (ia64_function_arg): Likewise.
4539 (ia64_function_arg_advance): Likewise.
4540 (ia64_return_in_memory): Likewise.
4541 (ia64_function_value): Likewise.
4542 (ia64_print_operand): Likewise.
4543 (ia64_register_move_cost): Set GR<->FR to 5.
4544 (ia64_secondary_reload_class): Get GR for TImode memory op.
4545 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
4546 (ROUND_TYPE_ALIGN): Remove.
4547 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
4548 (INTEL_EXTENDED_IEEE_FORMAT): Define.
4549 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
4550 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
4551 (MODES_TIEABLE_P): Use TFmode, not XFmode.
4552 (CLASS_MAX_NREGS): Likewise.
4553 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
4554 (PREDICATE_CODES): Update.
4555 * config/ia64/ia64.md (movti): New.
4556 (movti_internal): Use a clobber for memory alternatives.
4557 (reload_inti, reload_outti): New.
4558 (movsfcc_astep): Predicate properly.
4559 (movdfcc_astep): Likewise.
4562 (extendsftf2, extenddftf2): New.
4563 (trunctfsf2, trunctfdf2): New.
4564 (floatditf2, fix_trunctfdi2): New.
4565 (floatunsditf2, fixuns_trunctfdi2): New.
4566 (addtf3, subtf3, multf3, abstf2): New.
4567 (negtf2, nabstf2, mintf3, maxtf3): New.
4568 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
4570 (fr_spill): Use TFmode, not XFmode.
4571 (fr_restore): Likewise.
4572 * config/ia64/lib1funcs.asm (__divtf3): New.
4573 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
4575 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4577 * cse.c (fold_rtx): Avoid empty body in an if-statement.
4579 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
4580 `U' integer constant suffix.
4582 * dwarf2out.c (add_subscript_info): Avoid empty body in an
4585 * sparc/sol2.h (__enable_execute_stack): Prototype.
4587 2000-08-14 David Edelsohn <edelsohn@gnu.org>
4589 * collect2.c: Remove use of AIX import file.
4591 * longlong.h: Test ARCH_PWR not ARCH_POWER.
4593 * rs6000.c (print_operand, case 'E'): Add else.
4595 2000-08-14 Richard Henderson <rth@cygnus.com>
4597 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
4598 (movdi_symbolic): New.
4600 2000-08-14 Jim Wilson <wilson@cygnus.com>
4602 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
4603 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
4604 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
4607 2000-08-14 Richard Henderson <rth@cygnus.com>
4609 * expr.c (emit_group_load): Don't force constants into registers.
4610 Special case source already in the correct mode.
4612 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
4614 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
4615 * fixinc/inclhack.def: Likewise.
4616 * fixinc/mkfixinc.sh: Likewise.
4617 * configure: Regenerate.
4618 * fixinc/fixincl.x: Regenerate.
4619 * install.texi: Document equivalence of linux and linux-gnu.
4621 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4623 * cse.c (insert_regs): Also in REG case: When finding an invalid
4624 value, and we make a new quantity, make sure that it won't be
4625 mistaken by for a valid one by mention_regs.
4627 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
4629 * h8300.md: Remove obsolete peepholes.
4631 2000-08-13 Kazu Hirata <kazu@hxi.com>
4633 * invoke.texi (H8/300 Options): Fix typos.
4634 * config/h8300.c: Fix formatting.
4635 * config/h8300.h: Fix comment typos.
4636 (OVERRIDE_OPTIONS): Fix formatting.
4638 * function.c: Fix formatting.
4640 * cse.c: Fix formatting.
4642 2000-08-13 Geoff Keating <geoffk@cygnus.com>
4644 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
4645 (attempt_auto_inc): Suppress parentheses warning.
4646 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
4647 * loop.c (load_mems): Remove `u' suffix in two places.
4648 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
4650 * config/rs6000/rs6000.h: Likewise.
4651 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
4652 __eabi dummy routine.
4653 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
4656 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
4657 not put stuff in .sdata unnecessarily.
4658 (rs6000_unique_section): New function.
4659 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
4660 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
4662 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
4663 arrays in C99. Don't try to look at DECL_REGISTER of a
4664 COMPONENT_REF. Don't complain twice about the same error.
4666 * fixinc/inclhack.def (aix_pthread): New fix.
4667 (aix_sysmachine): New fix.
4668 * fixinc/fixincl.x: Regenerate.
4670 * expr.c (expand_expr): Call convert_modes when turning a large
4671 multiply into a small one.
4673 2000-08-12 Geoff Keating <geoffk@cygnus.com>
4675 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
4676 the tree structure an exponent rather than an explicit alignment
4677 so it doesn't overflow.
4678 (SET_DECL_OFFSET_ALIGN): New macro.
4679 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
4680 rather than DECL_OFFSET_ALIGN.
4681 (place_field): Likewise.
4682 * expmed.c (store_bit_field): Abort on align==0 to avoid
4683 antisocial machine behaviour.
4685 2000-08-12 Richard Henderson <rth@cygnus.com>
4687 * sibcall.c (uses_addressof): Accept both addressof and
4688 current_function_internal_arg_pointer inside a mem.
4689 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
4690 if current_function_uses_addressof.
4691 * stmt.c (expand_return): Kill tail recursion and HAVE_return
4694 2000-08-11 Richard Henderson <rth@cygnus.com>
4696 * config/ia64/ia64.md (addsi3): Remove expander.
4697 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
4698 (*addsi3_shladd): New.
4700 2000-08-11 Richard Henderson <rth@cygnus.com>
4702 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
4703 (do_restore): Likewise.
4704 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
4705 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
4706 (rtx_needs_barrier): Track actual bit manipulation for
4707 ar.unat moves, gr_spill, and gr_restore.
4708 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
4709 (process_set): Don't handle varargs spills.
4710 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
4711 .mem.offset here instead of in process_set.
4712 (gr_restore): Likewise.
4714 2000-08-11 Richard Henderson <rth@cygnus.com>
4716 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
4718 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
4720 * gcc.texi (The Configuration File): Document
4721 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
4722 UPDATE_PATH_HOST_CANONICALIZATION.
4724 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4726 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
4727 unprototyped function pointer casts on integer constants.
4729 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
4731 * fixproto: Recognize DOS paths with drive letters as absolute paths.
4733 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
4735 * extend.texi (Volatiles): Fix typos.
4737 2000-08-11 Kazu Hirata <kazu@hxi.com>
4739 * flow.c: Fix formatting.
4741 2000-08-11 Richard Henderson <rth@cygnus.com>
4743 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
4744 pattern, always allocate a tertiary scratch register.
4746 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
4747 (reload_inhi): Likewise.
4749 2000-08-11 Richard Henderson <rth@cygnus.com>
4751 * function.c (put_reg_into_stack): Allow type to be NULL.
4752 (schedule_fixup_var_refs): Likewise.
4753 (gen_mem_addressof): Allow decl to be NULL.
4754 (put_addressof_into_stack): Likewise.
4756 * flow.c (merge_blocks_nomove): Be more careful about
4757 locating the beginning of block A.
4759 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
4761 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4766 * config.in: Reverted the check for <sched.h>.
4768 2000-08-10 Chris Demetriou <cgd@sibyte.com>
4770 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
4771 macros define the name of CTOR and DTOR sections.
4772 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
4773 DTOR_LIST_END): Change to use attributes to specify
4775 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
4776 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
4777 DTOR_LIST_END): Same as in mips/elf.h.
4779 2000-08-10 Drew Moseley <dmoseley@redhat.com>
4781 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
4782 disabling just crt0.o.
4784 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
4786 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
4787 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
4788 (EXTRA_SPECS): Add them.
4789 * arm/lib1funcs.asm: Support builds for interworking.
4790 Use macros to eliminate duplicated pieces of code.
4792 2000-08-10 Kazu Hirata <kazu@hxi.com>
4794 * h8300.c (expand_a_rotate): New.
4795 (emit_a_rotate): Likewise.
4796 (h8300_adjust_insn_length): Add support for the rotate insns.
4797 * h8300.md (rotlqi3): New.
4798 (*rotlqi3_1): Likewise.
4799 (rotlhi3): Likewise.
4800 (*rotlhi3_1): Likewise.
4801 (rotlhi3): Likewise.
4802 (*rotlhi3_1): Likewise.
4803 * h8300-proto.h: Add prototypes for expand_a_rotate and
4806 * h8300.c: Fix comment typos.
4807 (dosize): Declare the variable amount as unsigned.
4808 (get_shift_alg): Fix a comparison between signed and unsigned.
4809 (emit_a_shift): Likewise.
4810 (h8300_adjust_insn_length): Simplify the code.
4812 * c-decl.c: Fix formatting.
4814 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4816 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
4817 warning about non-traditional numeric constant suffixes.
4819 * cppexp.c (parse_number): Likewise.
4821 * invoke.texi: (-Wtraditional): Document new behavior.
4823 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4825 * gthr-posix.h: Include auto-host.h. Conditionally include
4827 * configure.in: Check for the <sched.h> header file.
4828 * config.in: Added define for HAVE_SCHED_H.
4830 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4832 * c-typeck.c (process_init_element): For -Wtraditional, warn about
4833 initialization of unions.
4835 * invoke.texi (-Wtraditional): Document new behavior.
4837 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
4839 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
4840 instead of extra_c_flags.
4841 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
4842 * configure: Regenerate.
4843 * config.in: Regenerate.
4845 * cpperror.c (cpp_type2name): New function.
4846 * cpplex.c (lex_line): If we issued an error for an invalid
4847 preprocessing directive, discard that logical line.
4848 * cpplib.c (do_line): Call a hook function if the current file
4849 is renamed by #line.
4850 (do_ident): Pass the contents of the string, not the entire
4851 token, to the callback function.
4852 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
4853 (cb.rename_file): New hook function.
4854 (cb.ident): Adjust prototype.
4855 (cpp_type2name): Prototype.
4856 * cppmacro.c (dump_macro_args): Correct precedence lossage.
4858 * cppmain.c (cb_ident): Update for changed interface.
4859 (cb_rename_file): New function.
4860 (main): Set rename callback.
4862 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
4864 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
4865 multi-word registers.
4867 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
4869 * c-common.c (combine_strings, check_format_info): Refer to ISO C
4870 or ISO C89 instead of ANSI C.
4871 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
4872 build_enumerator, do_case): Likewise.
4873 * c-lex.c (parse_float, yylex): Likewise.
4874 * c-parse.in: Likewise.
4875 * c-typeck.c (common_type, build_array_ref, build_binary_op,
4876 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
4877 build_c_cast, convert_for_assignment, set_init_index,
4878 set_init_label, c_expand_start_case): Likewise.
4879 * toplev.c (documented_lang_options, display_help): Likewise.
4881 2000-08-08 Kazu Hirata <kazu@hxi.com>
4883 * h8300.c: Fix formatting.
4884 * h8300.h: Likewise.
4885 * h8300.md: Likewise.
4886 (movsi_h8300hs): Fix formatting of the resulting assembly code.
4888 * reload1.c: Fix formatting.
4890 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
4892 * alpha/alpha.c (alpha_emit_xfloating_libcall):
4893 Use GEN_CALL_VALUE define.
4894 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
4895 * clipper/clipper.md (untyped_call): Likewise.
4896 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
4897 * fx80/fx80.md (untyped_call): Likewise.
4898 * mips/mips.md (untyped_call): Likewise.
4899 * ns32k/ns32k.md (untyped_call): Likewise.
4900 * pa/pa.md (untyped_call): Likewise.
4901 * romp/romp.md (untyped_call): Likewise.
4902 * sparc/sparc.md (untyped_call): Likewise.
4904 2000-08-08 Jason Eckhardt <jle@cygnus.com>
4906 * config/i860/i860.c (singlemove_string): Do not generate assembler
4907 pseudo instructions that must be expanded (that is, with signed
4908 constants larger than 16 bits).
4910 2000-08-08 Richard Henderson <rth@cygnus.com>
4912 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
4913 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
4914 (init_propagate_block_info): Don't kill memory stores at -O0.
4915 (mark_set_1, mark_used_regs): Likewise.
4917 2000-08-08 David Edelsohn <edelsohn@gnu.org>
4919 * rs6000.c (optimization_options): Decorate 'level' as
4921 (mask64_operand): Remove sign-extend thinko.
4922 (rldic_operand): New function.
4923 (load_multiple_operation): regno's are unsigned ints.
4924 (store_multiple_operation): Likewise.
4925 (lmw_operation): Likewise.
4926 (stmw_operation): Likewise.
4927 (includes_lshift_p): shift_mask is unsigned int.
4928 (includes_lshift64_p): New function.
4929 (addrs_ok_for_quad_peep): unsigned int reg1.
4930 (print_operand): Consistently add "else" after
4931 output_operand_lossage().
4932 (print_operand, case 'b'): Fold in case 'W'.
4933 (print_operand, case 'W'): Print rldic MB value.
4934 (output_epilogue): Update Objective-C language string.
4935 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
4936 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
4937 * rs6000.md (ashldi3): Add rldic instruction.
4938 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
4939 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
4942 2000-08-08 Richard Henderson <rth@cygnus.com>
4944 * config/ia64/ia64-protos.h: Remove duplicates. Update
4945 for massive code rearrangements.
4946 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
4947 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
4948 (ia64_local_regs, ia64_need_regstk): Remove.
4949 (ar_ccv_reg_operand): New.
4950 (ia64_gp_save_reg): New.
4951 (struct ia64_frame_info): Combine most of the size elements;
4952 add new gr save elements.
4953 (find_gr_spill): New.
4954 (next_scratch_gr_reg): New.
4955 (mark_reg_gr_used_mask): New.
4956 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
4957 to GR backing store regs when possible.
4958 (ia64_initial_elimination_offset): New.
4959 (ia64_rap_fp_offset): Remove.
4960 (save_restore_insns): Remove.
4961 (setup_spill_pointers): New.
4962 (finish_spill_pointers): New.
4963 (spill_restore_mem): New.
4964 (do_spill, do_restore): New.
4965 (ia64_expand_prologue): Rewrite to use them.
4966 (ia64_expand_epilogue): Likewise.
4967 (ia64_direct_return): Update for current_frame_info changes.
4968 (ia64_function_prologue): Simplify .prologue emission. Emit
4970 (ia64_setup_incoming_varargs): Don't ever emit rtl.
4971 (ia64_dbx_register_number): New.
4972 (ia64_initialize_trampoline): New.
4973 (ia64_secondary_reload_class): Request GR_REGS for integer
4974 arithmetic destined for FR_REGS.
4975 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
4976 (ia64_mark_machine_status): Mark ia64_gp_save.
4977 (rws_access_regno): Rename from rws_access_reg; don't treat
4978 predicates specially.
4979 (rws_access_reg): New. Update all callers.
4980 (rtx_needs_barrier): Remove dead unspecs.
4981 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
4982 (ia64_encode_section_info): Silence signed/unsigned warnings.
4983 (spill_offset, sp_offset, spill_offset_emitted): Remove.
4984 (tmp_reg, tmp_saved): Remove.
4985 (process_set): Rewrite to expect complicated bits via
4986 REG_FRAME_RELATED_EXPR.
4987 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
4988 in the use of ar.ccv; never set RTX_UNCHANGING_P.
4989 (ia64_expand_op_and_fetch): Likewise.
4990 (ia64_expand_compare_and_swap): Likewise.
4991 (ia64_expand_builtin): Likewise.
4992 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
4993 (FIRST_PSEUDO_REGISTER): Update.
4994 (AR_M_REGNO_P): Update.
4995 (FIXED_REGS): Don't mark three local registers as used.
4996 (EXTRA_CC_MODES): New.
4997 (SELECT_CC_MODE): New.
4998 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
4999 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
5000 (FRAME_GROWS_DOWNWARD): Unset.
5001 (STARTING_FRAME_OFFSET): Zero.
5002 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
5003 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
5004 (HARD_FRAME_POINTER_REGNUM): New.
5005 (CAN_DEBUG_WITHOUT_FP): Define.
5006 (TRAMPOLINE_TEMPLATE): Remove.
5007 (TRAMPOLINE_SIZE): Lower to 32.
5008 (TRAMPOLINE_ALIGNMENT): Lower to 64.
5009 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
5010 (PREDICATE_CODES): Update.
5011 (struct machine_function): Add ia64_gp_save.
5012 * config/ia64/ia64.md: Purge unused unspecs.
5013 (movsi patterns): Allow moves to/from AR_M_REGS.
5014 (movdi patterns): Allow moves to/from p0.
5015 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
5016 (gr_spill, gr_restore): Indicate ar.unat read/written.
5017 (nonlocal_goto): Don't pass old frame_pointer.
5018 (nonlocal_goto_receiver): Remove.
5019 (exception_receiver): New.
5020 (builtin_setjmp_setup): New.
5021 (builtin_setjmp_receiver): New.
5022 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
5023 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
5024 (__ia64_restore_stack_nonlocal): Likewise.
5025 (__ia64_trampoline): New.
5026 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
5028 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
5030 2000-08-08 Richard Henderson <rth@cygnus.com>
5032 * frame.h (ia64_frame_state): Add my_psp.
5033 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
5034 (__throw): Pass it in. Don't clobber r7.
5035 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
5036 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
5037 and nothing to do with sp.
5038 (normalize_reg_loc): Use frame->my_psp.
5039 (frame_translate): Handle frame-pointer-less functions. Set
5040 spill_base correctly, in absence of being told.
5041 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
5042 (__ia64_backtrace_helper): New sp argument. Use
5043 builtin_return_address instead of label addresses.
5044 (print_record) [mem_stack_v]: No size member.
5046 2000-08-08 Richard Henderson <rth@cygnus.com>
5048 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
5050 2000-08-08 Richard Henderson <rth@cygnus.com>
5052 * tm.texi (LOCAL_REGNO): Document.
5053 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
5054 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
5055 * reload1.c (reload): Likewise when considering nonlocal labels.
5057 * config/ia64/ia64.h (LOCAL_REGNO): New.
5058 * config/sparc/sparc.h (LOCAL_REGNO): New.
5060 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
5062 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
5064 2000-08-07 Nick Clifton <nickc@redhat.com>
5066 * config/mips/mips.c: Fix compile time warning messages.
5067 * config/mips/mips-protos.h: Add prototype for equality_op.
5069 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
5071 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
5073 * mn10300.md: Use nonimmediate_operand instead of general_operand
5076 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
5078 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
5080 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
5081 * sh.c (expand_block_move): Break long lines.
5082 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
5083 * sh.md (mulsi3): Likewise.
5084 (movdi): Adjust spacing.
5086 2000-08-07 Richard Henderson <rth@cygnus.com>
5088 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
5089 * expr.c (emit_group_store): Don't set it.
5091 2000-08-07 Kazu Hirata <kazu@hxi.com>
5093 * invoke.texi (Options for Debugging Your Program or GCC): Remove
5094 duplicate entries for 'w' and 'z'.
5096 * flow.c: Fix a comment typo.
5098 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
5100 * c-parse.in: Changed the language string for Objective-C to "GNU
5103 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
5105 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
5106 to improve the Posix thread support for Objective-C.
5108 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
5110 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
5111 CTI_UNSIGNED_PTRDIFF_TYPE.
5112 (signed_size_type_node): Define.
5113 (unsigned_ptrdiff_type_node): Define.
5114 * c-decl.c (init_decl_processing): Create the
5115 signed_size_type_node and unsigned_ptrdiff_type_node types.
5116 * c-common.c (T_SC): Define.
5119 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
5120 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
5122 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
5123 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
5124 flags for %c, %s and %[.
5125 (check_format_info): Only allow leniency for signedness of targets
5126 of character pointers (when pedantic) for formats flagged with
5127 "c", so for strings but not for %hh formats. When pedantic, don't
5128 allow character pointers to substitute for void pointers if a
5129 second level of indirection is present.
5131 2000-08-06 Kazu Hirata <kazu@hxi.com>
5133 * invoke.texi (Options for Debugging Your Program or GCC): Update
5134 the names of dump files.
5136 * h8300.c (dosize): Rearrange code for conciseness.
5137 (split_adds_subs): Likewise.
5139 * loop.c: Fix formatting.
5141 * dwarf2out.c: Fix formatting.
5143 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
5145 * expr.c: Fix formatting.
5147 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5149 * rs6000.c (rs6000_maybe_dead): Prototype.
5151 2000-08-06 Richard Henderson <rth@cygnus.com>
5153 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
5154 HAVE_nonlocal_goto as well.
5155 * config/i960/i960.md (nonlocal_goto): Don't do it here.
5156 * config/pj/pj.md (nonlocal_goto): Likewise.
5158 2000-08-07 Michael Hayes <mhayes@cygnus.com>
5160 * loop.c (try_swap_copy_prop): New function.
5161 (load_mems): Rename copies to load_copies and add new regset
5162 store_copies. Check for sets of shadow registers and mark
5163 in store_copies. Call try_swap_copy_prop for registers
5164 marked in store_copies.
5166 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
5168 * objc/objc-act.c: New command line option -fconstant-string-class
5169 to allow specifying a user defined constant string class,
5170 different from NXConstantString.
5172 * toplev.c: Moved the Objective-C specific options to
5173 objc/lang-options.h.
5175 * objc/lang-options.h: Moved the Objective-C specific options from
5176 toplev.c. Added -fconstant-string-class.
5178 2000-08-05 Chris Demetriou <cgd@sibyte.com>
5180 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5181 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
5182 __CTOR_LIST__ from func_ptr array to just func_ptr, to
5183 avoid extra alignment imposed on arrays.
5184 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5185 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
5187 * mips.h: Clean up comments and spacing near MASKs.
5188 (TARGET_UNIX_ASM): Delete.
5189 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
5190 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
5193 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
5195 * c-common.c (print_char_table): Add entries for the X/Open '
5196 format flag (print decimals with locale's thousands grouping
5197 character). Make %C expect wint_t.
5198 (check_format_info): If pedantic, warn when the %n$ operand
5199 number form is used. Allow for the ' flag; warn about it if
5202 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
5204 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
5205 type is a float mode, cfun->decl's return type is not, and
5206 TARGET_FLOAT_RETURNS_IN_80387.
5208 2000-08-04 Andreas Schwab <schwab@suse.de>
5210 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
5211 token list, which are always `#' and `pragma'.
5213 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
5215 * tree.c (tree_expr_nonnegative_p): Move to...
5216 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
5217 (rtl_expr_nonnegative_p): New.
5218 * tree.h: Add prototype for rtl_expr_nonnegative_p.
5220 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
5221 CONST_DOUBLE_CHAIN: Move to...
5222 * rtl.h: ...here. Use XCINT/XCEXP.
5224 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
5225 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
5226 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
5229 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
5231 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5233 * config/c4x/c4x.md (return_indirect_internal): New.
5234 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
5236 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5238 * c-common.c (time_char_table): Mark up formats added in C99 and
5239 make other corrections. %D and %g were added in C99. %Og is an
5240 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
5241 C99. %e was added in C99. %Oj is an extension. %G and %z are in
5242 C99 rather than GNU extensions, but %OG and %Oz are extensions.
5243 %h was added in C99. %C was added in C99. %OY and %OC are
5244 extensions. Add the C99 format %F.
5245 (check_format_info): If pedantic and not in C99 mode, warn for C99
5248 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5250 * function.c (schedule_fixup_var_refs): New function, broken out
5251 of put_reg_into_stack.
5252 (put_reg_into_stack): Use it.
5253 (put_var_into_stack): In CONCAT case, fixup up references for
5254 components only after fixing up references to the whole concat.
5256 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
5258 * alias.c (mark_constant_function): Use INSN_P.
5259 (init_alias_analysis): Likewise.
5260 * combine.c (combine_instructions): Use INSN_P.
5261 (can_combine_p): Likewise.
5262 (try_combine): Likewise.
5263 (distribute_notes): Likewise.
5264 (distribute_links): Likewise.
5265 * cse.c (cse_around_loop): Use INSN_P.
5266 (invalidate_skipped_block): Likewise.
5267 (cse_set_around_loop): Likewise.
5268 (cse_end_of_basic_block): Likewise.
5269 (delete_trivially_dead_insns): Likewise.
5270 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
5271 (unshare_all_rtl_1): Likewise.
5272 (next_cc0_user): Likewise.
5273 (try_split make_insn_raw): Likewise.
5274 (remove_unnecessary_notes): Likewise.
5275 * final.c (shorten_branches): Use INSN_P.
5276 (leaf_renumber_regs): Likewise.
5277 (leaf_renumber_regs_insn): Likewise.
5278 * flow.c (find_label_refs): Use INSN_P.
5279 (verify_wide_reg): Likewise.
5280 (notice_stack_pointer_modification): Likewise.
5281 (count_or_remove_death_notes): Likewise.
5282 (verify_flow_info): Likewise.
5283 (clear_log_links): Likewise.
5284 * function.c (fixup_var_refs_insns): Use INSN_P.
5285 (compute_insns_for_mem): Likewise.
5286 * gcse.c (alloc_gcse_mem): Use INSN_P.
5287 (compute_sets): Likewise.
5288 (compute_hash_table): Likewise.
5289 (classic_gcse): Likewise.
5291 (insert_insn_end_bb): Likewise.
5292 (delete_null_pointer_checks_1): Likewise.
5293 * global.c (expand_preferences): Use INSN_P.
5294 (build_insn_chain): Likewise.
5295 * graph.c (node_data): Use INSN_P.
5296 * haifa-sched.c (priority): Use INSN_P.
5297 (rm_line_notes): Likewise.
5298 (rm_other_notes): Likewise.
5299 (find_insn_reg_weight): Likewise.
5300 (init_target_units): Likewise.
5301 (schedule_block): Likewise.
5302 (compute_block_forward_dependences): Likewise.
5303 (debug_dependencies): Likewise.
5304 (set_priorities): Likewise.
5305 * integrate.c (function_cannot_inline_p): Use INSN_P.
5306 (save_parm_insns): Likewise.
5307 (copy_insn_list): Likewise.
5308 * jump.c (mark_all_labels): Use INSN_P.
5309 (never_reached_warning): Likewise.
5310 * lcm.c (optimize_mode_switching): Use INSN_P.
5311 * local-alloc.c (validate_equiv_mem): Use INSN_P.
5312 (memref_used_between_p): Likewise.
5313 (update_equiv_regs): Likewise.
5314 (block_alloc): Likewise.
5315 (no_conflict_p): Likewise.
5316 * loop.c (scan_loop): Use INSN_P.
5317 (find_and_verify_loops): Likewise.
5318 (count_loop_regs_set): Likewise.
5319 (loop_reg_used_before_p): Likewise.
5320 (strength_reduce): Likewise.
5321 (recombine_givs): Likewise.
5322 (check_dbra_loop): Likewise.
5323 (load_mems): Likewise.
5324 (try_copy_prop): Likewise.
5325 * print-rtl.c (print_rtx): Use INSN_P.
5326 * recog.c (find_single_use): Use INSN_P.
5327 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
5328 (next_flags_user): Likewise.
5329 (swap_rtx_condition): Likewise.
5330 * regmove.c (mark_flags_life_zones): Use INSN_P.
5331 (optimize_reg_copy_1): Likewise.
5332 (optimize_reg_copy_2): Likewise.
5333 (optimize_reg_copy_3): Likewise.
5334 (reg_is_remote_constant_p): Likewise.
5335 (fixup_match_2): Likewise.
5336 (regmove_optimize): Likewise.
5337 (fixup_match_1): Likewise.
5338 * regrename.c (build_def_use): Use INSN_P.
5339 (replace_reg_in_block): Likewise.
5340 (consider_use): Likewise.
5341 * reload.c (find_equiv_reg): Use INSN_P.
5342 * reload1.c (reload): Use INSN_P.
5343 (maybe_fix_stack_asms): Likewise.
5344 (calculate_needs_all_insns): Likewise.
5345 (reload_as_needed): Likewise.
5346 (emit_output_reload_insns): Likewise.
5347 (delete_address_reloads_1): Likewise.
5348 (reload_cse_regs_1): Likewise.
5349 (reload_combine): Likewise.
5350 (reload_cse_move2add): Likewise.
5351 * reorg.c (redundant_insn): Use INSN_P.
5352 (dbr_schedule): Likewise.
5353 * resource.c (find_dead_or_set_registers): Use INSN_P.
5354 (mark_target_live_regs): Likewise.
5355 * rtlanal.c (reg_used_between_p): Use INSN_P.
5356 (reg_referenced_between_p): Likewise.
5357 (reg_set_between_p): Likewise.
5358 (reg_set_p): Likewise.
5359 (single_set): Likewise.
5360 (multiple_sets): Likewise.
5361 (find_last_value): Likewise.
5362 (reg_set_last): Likewise.
5363 (find_reg_note): Likewise.
5364 (find_regno_note): Likewise.
5365 * sibcall.c (sequence_uses_addressof): Use INSN_P.
5366 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
5367 * ssa.c (find_evaluations): Use INSN_P.
5368 (rename_block): Likewise.
5369 (rename_equivalent_regs): Likewise.
5370 * unroll.c (loop_find_equiv_value): Use INSN_P.
5371 (set_dominates_use): Likewise.
5372 * varasm.c (mark_constant_pool): Use INSN_P.
5373 (mark_constants): Likewise.
5374 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
5375 (alphaev4_next_group): Likewise.
5376 (alphaev5_next_group): Likewise.
5377 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
5378 (c4x_rptb_rpts_p): Likewise.
5379 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
5380 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
5381 (rs6000_adjust_priority): Likewise.
5382 * config/sh/sh.c (sh_loop_align): Use INSN_P.
5383 (machine_dependent_reorg): Likewise.
5384 (split_branches): Likewise.
5385 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
5387 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
5389 * combine.c (recog_for_combine): Remove the old notes
5390 prior to attempting to recognize the new pattern.
5391 (distribute_notes): Ignore REG_NONNEG notes.
5393 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
5395 * varasm.c (output_constructor): Add .align 0 for packed vars.
5397 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5399 * configure.in: Use default thread_file even when enable_threads is
5400 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
5401 * configure: Rebuilt.
5403 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
5405 2000-08-04 Donn Terry (donnte@microsoft.com)
5407 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
5409 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
5411 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
5412 Delete code that conditionally modifies 'version'.
5413 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
5414 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
5415 * gcc.c (main): Use it.
5416 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
5417 * prefix.c (update_path): Use it.
5418 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
5419 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
5420 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
5422 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
5423 (SUBTARGET_SWITCHES): Adjust.
5424 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
5426 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
5428 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5430 * c-common.h (flag_isoc94): Declare.
5431 * c-decl.c (flag_isoc94): Define.
5432 (c_decode_option): Set flag_isoc94 as appropriate.
5433 * c-common.c (T_PD, T_IM, T_UIM): Define.
5434 (format_char_info): Add tlen and jlen.
5435 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
5437 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
5439 (time_char_table): Add NULL entries for %t and %j.
5440 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
5441 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
5442 Warn for printf %lf if pedantic and not C99. Don't warn for empty
5443 precision. Allow precision argument to be unsigned int. If
5444 pedantic, warn for %p passed an argument not a pointer to possibly
5445 qualified void or a possibly qualified character type, and for
5446 pointer targets of the wrong sign, except for character pointers.
5448 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5450 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
5451 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
5452 (wint_type_node): Define.
5453 * c-decl.c (WINT_TYPE): Define.
5454 (init_decl_processing): Create the wint_type_node type.
5455 * c-common.c (T_WI): Define.
5456 (print_char_table): Use T_WI for %lc format.
5458 2000-08-04 Bruce Korb <bkorb@gnu.org>
5460 * fixinc/: Verified that the MSDOS patch does not break
5461 the UNIX functionality and applied the next three patches
5464 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
5466 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
5467 output file with the temporary one by appending ".X" to generate
5468 the temporary fuile's name. If the output file already has an
5469 extension, replace it with ".X".
5471 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
5472 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
5473 reallocate the command buffer while copying the command-line
5474 argument. Redirect the output directly to the temporary file,
5475 instead of going through another temporary file.
5476 (process): Close the temporary file before unlinking it.
5477 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
5478 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
5479 (run_compiles): Pass p_fixd argument to machine_matches, as it
5482 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
5483 environment, assume there are no symlinks in the include
5484 directory. When cleaning up the DONE files, look for them
5485 case-insensitively. Don't try to remove symlinks if they aren't
5488 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
5489 all callers changed. Declare pz "const char *", to avoid compiler
5492 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
5493 Change prototype of make_raw_shell_str.
5495 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
5497 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
5498 (initialize) [__MSDOS__]: Use tempnam.
5499 (initialize): Don't use SIGPIPE if it is not defined.
5501 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
5504 2000-07-25 Bruce Korb <bkorb@gnu.org>
5506 * fixinc/fix*.[ch]: substantially reworked to make it possible
5507 to run this program without using fork(2) or pipe(2) (i.e. in
5510 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5512 * cppdefault.h (WINT_TYPE): Define.
5513 * cppinit.c (builtin_array): Define __WINT_TYPE__.
5514 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
5515 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
5517 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
5519 * (mips_legitimate_address_p): Don't allow register+offset
5520 if the offset is large and negative, and we are compiling
5521 for 64 bit registers.
5523 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5525 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
5526 insn_code_number + 1.
5528 2000-08-04 Kazu Hirata <kazu@hxi.com>
5530 * h8300.c (function_prologue): Rearrange code for conciseness.
5531 (function_epilogue): Likewise.
5532 * h8300.h (OK_FOR_U): Fix formatting.
5534 * cse.c: Fix a comment typo. Fix formatting.
5536 2000-08-03 Richard Henderson <rth@cygnus.com>
5538 * config/i386/i386.md (return_indirect_internal): New.
5539 * config/i386/i386.c (ix86_expand_epilogue): Use it.
5541 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
5543 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
5545 (lex_line): Glue @ onto the beginning of identifiers and
5546 string constants, in Objective-C mode.
5547 (output_token, spell_token): Handle CPP_OSTRING.
5548 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
5549 beginning of a NAME or a STRING, in objc mode.
5551 * cpplib.c (get_define_node): Do not permit identifiers that
5552 begin with @ to be #defined.
5553 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
5554 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
5556 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
5557 * c-tree.h (build_objc_string): Delete prototype.
5558 * objc/objc-tree.def: Delete OBJC_STRING_CST.
5559 * c-lex.c (yylex): Use build_string for all three kinds of strings.
5561 * c-parse.in, objc/objc-act.c: Update commentary.
5563 2000-08-03 Mark Mitchell <mark@codesourcery.com>
5565 * extend.texi: Fix typo in last change.
5567 * extend.texi: Add commentary on statement-expressions and their
5568 interactions with C++.
5570 2000-08-03 Nick Clifton <nickc@cygnus.com>
5572 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
5573 * dwarf.h (LANG_JAVA): Change value to 0x000b.
5575 2000-08-03 Anthony Green <green@cygnus.com>
5577 * dwarf2out.c (gen_compile_unit_die): Add java language support.
5578 (add_bound_info): Check for java language.
5579 (is_java): New function.
5580 * dwarfout.c (output_compile_unit_die): Ditto.
5581 * dwarf.h (dwarf_source_language): Add java source language type.
5582 * dwarf2.h (dwarf_source_language): Ditto.
5584 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
5586 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
5589 * i386.c (ix86_expand_branch): Mode of comparison in
5590 IF_THEN_ELSE is VOIDmode.
5592 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
5594 * gengenrtl.c, rtl.c: Avoid #elif.
5596 2000-08-03 Michael Poole <poole@troilus.org>
5598 * tm.texi (Register Classes): Clarify order of sub-initializers
5599 in REG_CLASS_CONTENTS.
5601 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5603 From SAITOH Masanobu:
5604 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
5606 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
5608 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
5609 is not supported by tradcpp and isn't actually needed for cygwin.
5611 2000-08-03 Kazu Hirata <kazu@hxi.com>
5613 * h8300.c: Fix a comment typo.
5614 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
5616 * jump.c: Fix formatting.
5618 * toplev.c: Fix formatting.
5620 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
5622 * flow.c (find_auto_inc): Verify that we've got a REG before
5623 peeking at its regno. Fail, don't abort if we can't find
5624 the increment of the desired register.
5626 * pa.md (shadd height reduction patterns/splitters): Remove.
5628 2000-08-02 Jim Wilson <wilson@cygnus.com>
5630 * config/ia64/ia64-protos.h (flag_ssa): Declare.
5631 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
5633 2000-08-02 Mark Mitchell <mark@codesourcery.com>
5635 * dce.c: Remove all uses of assert.
5636 * dwarf2out.c: Likewise.
5637 * dwarfout.c: Likewise.
5640 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
5642 * gcc.h (lang_specific_driver): Constify second argument.
5643 * gcc.c (translate_options, process_command, main): Likewise.
5644 Constify variables to match. Cast second argument to
5647 * cppspec.c, gccspec.c: Adjust type of second argument to
5648 lang_specific_driver, and update code as necessary.
5650 2000-08-02 Jakub Jelinek <jakub@redhat.com>
5652 * loop.c (scan_loop): Ensure update_end label does not
5653 go away until reg_scan_update is run.
5655 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
5657 * c-common.h: Prototype min_precision and c_build_qualified_type here...
5658 * c-tree.h: ... not here.
5659 * errors.h: Prototype fancy_abort.
5661 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
5662 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
5663 * regrename.c (regrename_optimize): Make control flow explicit.
5664 (replace_reg_in_block): Initialize reg_use to 0.
5666 * i386.c (legitimate_address_p): Rename error label to
5667 report_error to avoid namespace clash.
5669 2000-08-02 Kazu Hirata <kazu@hxi.com>
5671 * fold-const.c: Fix formatting.
5673 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
5675 * i386.c (legitimate_address_p): Accept other bases than
5676 pic_offset_table_rtx for GOTOFF constructs.
5678 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
5680 * i386.md (shift to lea splitter): Use const_int_operand.
5682 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
5684 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
5685 cppspec.c: Do not use 'legal' or 'illegal' in error messages
5688 * cppmain.c (cb_define, cb_undef): Don't generate any output
5689 if not done_initializing.
5690 * cpplex.c (maybe_paste_with_next): When the token after a ##
5691 is an omitted rest argument, only delete the token before it
5692 if that token is a comma. Do not warn about bogus token
5693 pastes for , ## rest_arg.
5696 * cpp.1: Regenerate.
5698 2000-08-02 Fred Fish <fnf@be.com>
5700 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
5701 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
5704 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
5705 Be directories to search path.
5707 Remove support for __declspec(dllimport) and __declspec(dllexport).
5708 This is leftover cruft from the earlier BeOS gcc port when BeOS
5709 used Microsoft's PE object file format.
5710 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
5711 * config/i386/t-beos (winnt.o): Remove Makefile frag.
5712 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
5713 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
5714 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
5715 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
5716 (REDO_SECTION_INFO_P): Remove.
5717 (ASM_EXPORT_DECL): Remove.
5718 (ASM_DECLARE_FUNCTION_NAME): Remove.
5719 (ASM_DECLARE_OBJECT_NAME): Remove.
5720 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
5721 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
5722 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
5723 (STRIP_NAME_ENCODING): Remove.
5725 Remove support for obsolete version of BeOS that is no longer
5727 * configure.in (i*86-*-beospe*): Remove.
5728 * config/i386/beos-pe.h: Remove.
5730 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
5731 Mark Mitchell <mark@codesourcery.com>
5733 * Makefile.in (OBJS): Added dce.o.
5734 (ssa.o): Updated target to include ssa.h.
5736 (toplev.o): Likewise.
5737 (dce.o): Created target.
5738 * basic-block.h: Added comments.
5739 (INVALID_BLOCK): Added definition.
5740 (connect_infinite_loops_to_exit): Added declaration.
5741 Moved SSA declarations to ssa.h.
5742 * flow.c: Added inclusion of ssa.h.
5743 (struct depth_first_search_dsS, depth_first_search_ds):
5745 (compute_immediate_postdominators): Added definition.
5746 (connect_infinite_loops_to_exit): Likewise.
5747 (flow_dfs_compute_reverse_init): Likewise.
5748 (flow_dfs_compute_reverse_add_bb): Likewise.
5749 (flow_dfs_compute_reverse_execute): Likewise.
5750 (flow_dfs_compute_reverse_finish): Likewise.
5751 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
5752 (LABEL_P): Added definition.
5755 (BARRIER_P): Likewise.
5756 (JUMP_TABLE_DATA_P): Likewise.
5757 (INSN_DEAD_CODE_P): Likewise.
5758 * ssa.c: Replaced inclusions with ssa.h inclusion.
5759 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
5760 (rename_registers): Removed unnecessary variables.
5761 * ssa.h: Created by moving declarations from ssa.c and
5763 * timevar.def: Defined TV_DEAD_CODE_ELIM.
5764 * toplev.c: Added ssa.h inclusion.
5765 (dump_file_index): Added DFI_dce.
5766 (dump_file): Added "dce" entry.
5768 (f_options): Added dce entry.
5769 * invoke.texi: Document -fdce. Emphasize experimental status of
5773 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
5775 * cpperror.c (v_message): Split into _cpp_begin_message and
5776 v_message macro. All callers updated.
5777 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
5780 * cppfiles.c (cpp_syshdr_flags): New function.
5781 (read_include_file): Don't call cpp_output_tokens. Call
5783 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
5784 (cpp_reader_init): Don't initialize token_buffer. Call
5785 _cpp_init_internal_pragmas.
5786 (cpp_cleanup): Don't clear token_buffer.
5787 (cpp_start_read): Don't worry about output from -D processing.
5788 Don't call cpp_output_tokens.
5789 (cpp_finish): Don't dump macros here. Don't call
5791 * cppmacro.c (_cpp_dump_definition): Rename
5792 cpp_dump_definition. Write directly to a FILE *.
5793 (dump_funlike_macro): Delete.
5794 (dump_macro_args): New.
5796 * cpplex.c (TOKEN_LEN): Convert to inline function.
5797 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
5798 cpp_scan_line, _cpp_dump_list): Delete.
5799 (cpp_printf, cpp_output_list): New.
5800 (output_line_command): Don't worry about entering or leaving files.
5801 (cpp_scan_buffer): Just output each token as we hit it.
5802 (process_directive): Don't call cpp_output_tokens.
5803 (_cpp_glue_header_name): Don't use token_buffer.
5804 (output_token, dump_param_spelling): Write directly to a FILE *.
5806 * cpplib.c (pass_thru_directive, dump_macro_name,
5807 pragma_dispatch, do_pragma_gcc): Delete.
5808 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
5809 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
5811 (do_error, do_warning, pragma_dependency): Call
5812 _cpp_begin_message, then cpp_output_list.
5813 (cpp_register_pragma, cpp_register_pragma_space,
5814 _cpp_init_internal_pragmas): New.
5815 (do_pragma): Walk the pragmas table here.
5816 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
5817 do_pragma_dependency): Return void.
5818 (do_pragma_implementation): Moved to cppmain.c.
5820 * cpplib.h: Update prototypes.
5821 (struct cpp_reader): Remove printer, token_buffer,
5822 token_buffer_size, and limit. Add struct cb, and pragmas.
5823 (struct cpp_printer): Remove last_id and written.
5824 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
5825 CPP_ADJUST_WRITTEN): Delete.
5826 * cpphash.h: Update prototypes.
5827 (ufputs): New wrapper.
5829 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
5830 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
5831 (main): Set up callbacks. Register #pragma implementation.
5832 Dump macros from here.
5834 2000-08-01 Geoff Keating <geoffk@cygnus.com>
5836 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
5837 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
5838 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
5839 insns if they have a REG_MAYBE_DEAD note attached.
5840 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
5841 (rs6000_emit_load_toc_table): TOC loads may go dead.
5843 2000-08-01 Jim Wilson <wilson@cygnus.com>
5845 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
5846 type exists before using it. Use number of words as alignment
5848 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
5849 ia64_va_arg): Propagate ia64_function_args changes here.
5851 2000-08-01 Richard Henderson <rth@cygnus.com>
5853 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
5854 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
5856 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
5858 From Joern Rennecke:
5859 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
5860 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
5861 unless TARGET_SH3E is set.
5862 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
5864 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
5865 (ashlsi3_std): New pattern.
5866 (ashlsi3 expander): Use it for TARGET_SH3.
5867 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
5869 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5871 * loop.c (canonicalize_condition): Use destination, not source to
5872 determine SET's mode.
5874 2000-07-31 Mark Mitchell <mark@codesourcery.com>
5876 * flow.c (clear_log_links): Fix typo.
5878 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
5880 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
5881 on targets which need more than one insn for a compare/cbranch
5884 2000-07-31 Jim Wilson <wilson@cygnus.com>
5886 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
5887 when computing offset.
5889 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
5891 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
5893 2000-07-31 Geoff Keating <geoffk@cygnus.com>
5895 * flow.c (clear_log_links): Nuke global_live_at_start and
5896 global_live_at_end data, since if the log_links stuff is invalid
5897 so is global_live_at_*.
5899 2000-07-31 Richard Henderson <rth@cygnus.com>
5901 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
5903 2000-07-31 Jakub Jelinek <jakub@redhat.com>
5905 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
5906 (_cpp_get_token): Don't macro expand a just pasted token if it
5907 was pasted at no_expand_level.
5909 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5911 * cppmacro.c (find_param, count_params, save_expansion):
5912 Permit 'defined' as a macro parameter name.
5914 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5916 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
5917 xcpp to cpp throughout.
5918 (native): Remove unnecessary dependency on cpp.
5920 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
5921 tradcpp to tradcpp0.
5922 (.i spec): Add missing output-file spec to cc1 command line.
5923 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
5925 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5927 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
5928 (implicit_decl_warning): New function.
5929 (implicitly_declare): Use it.
5930 * c-typeck.c (build_external_ref): Use implicit_decl_warning
5931 to complain about implicit decls of builtins.
5933 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
5934 based on pedantic && flag_isoc99, if not already set.
5935 * c-tree.h: Declare mesg_implicit_function_declaration.
5936 Prototype implicit_decl_warning.
5938 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
5940 * Makefile.in (ssa.o): Updated header files in dependences.
5941 * basic-block.h: Added compute_immediate_postdominators declaration.
5942 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
5944 * flow.c (compute_immediate_dominators): Updated comment.
5945 (compute_immediate_postdominators): Added definition.
5946 * rtl.h (HARD_REGISTER_P): Added definition.
5947 * ssa.c: Include additional header files.
5948 (assert): Added definition.
5949 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
5950 include select hard registers.
5951 (ssa_rename_to_insert): Likewise.
5952 (ssa_rename_from_initialize): Likewise.
5953 (ssa_rename_from_lookup): Likewise.
5954 (original_register): Likewise.
5955 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
5956 include select hard reigsters.
5957 (ssa_rename_from_traverse): Likewise.
5958 (ssa_rename_from_free): Likewise.
5959 (ssa_rename_from_print): Likewise.
5960 (ssa_rename_from_print_1): Likewise.
5961 (ssa_rename_from_hash_function): Likewise.
5962 (ssa_rename_from_equal): Likewise.
5963 (ssa_rename_from_delete): Likewise.
5964 (simplify_to_immediate_dominators): Removed in favor of
5965 flow.c:compute_immediate_dominators.
5966 (find_evaluations_1): Modified to work with hard registers.
5967 (insert_phi_node): Likewise.
5968 (insert_phi_nodes): Likewise.
5969 (struct rename_set_data): Updated prev_reg comment.
5970 (create_delayed_rename): Modified to work with hard registers.
5971 (RENAME_NO_RTX): Updated comment.
5972 (apply_delayed_renames): Modified to work with hard registers.
5973 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
5974 (rename_block): Updated to use revised ssa_rename_to interface.
5975 (rename_registers): Updated to use revised ssa_rename_to and
5976 ssa_rename_from interface.
5977 (convert_to_ssa): Revised to use compute_immediate_dominators and
5978 deal with hard registers.
5979 (make_regs_equivalent_over_bad_edges): Modified to work with hard
5980 registers. Added check for illegal unification of hard register.
5981 (make_equivalent_phi_alternatives_equivalent): Modified to work
5982 with hard registers.
5983 (compute_conservative_reg_partition): Likewise.
5984 (coalesce_if_unconflicting): Modified to work with hard registers
5985 and check for conflicting hard registers.
5986 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
5988 (rename_equivalent_regs_in_insn): Modified to work with hard
5990 (record_canonical_element_1): Added definition.
5991 (check_hard_regs_in_partition): Added definition.
5992 (convert_from_ssa): Added data structure deallocation and check
5993 for illegal hard register unification.
5994 (conflict_hard_regs_p): Added definition.
5995 * toplev.c (rest_of_compilation): Added comment.
5997 2000-07-31 Anthony Green <green@redhat.com>
5999 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
6001 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
6003 * builtins.c (expand_builtin_apply): Don't defer pop during
6006 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6008 * calls.c (combine_pending_stack_adjustment_and_call): Only use
6009 preferred_unit_stack_boundary when it is > 1.
6011 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
6013 * c-common.c (init_function_format_info): Add C99 format functions
6016 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
6017 void' or 'register void' as being the special case of 'void' alone
6018 in a parameter list.
6020 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
6021 discarding qualifiers into a plain warning.
6023 2000-07-31 Kazu Hirata <kazu@hxi.com>
6025 * combine.c: Fix formatting.
6027 * h8300.md: Fix formatting.
6029 * local-alloc.c: Fix formatting.
6031 * h8300.c (get_shift_alg): Remove the variable alg.
6032 (emit_a_shift): Rearrange code to improve readability.
6034 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
6036 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
6037 HImode on all architectures and a combination of HImode and SImode
6038 on H8/300H and H8/S.
6040 * h8300.c (split_adds_subs): Rearrange code for conciseness.
6042 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
6044 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
6047 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
6049 * recog.c (extract_insn): Set operand_mode according to
6050 operand if match_operand is VOIDmode.
6052 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6054 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
6056 2000-07-31 Geoff Keating <geoffk@cygnus.com>
6058 * c-parse.in (extdefs): Call ggc_collect between external
6061 2000-07-30 Michael Hayes <mhayes@cygnus.com>
6062 Richard Henderson <rth@cygnus.com>
6064 * Makefile.in (OBJS): Add doloop.o.
6065 * doloop.c: New file.
6067 * final.c (insn_current_reference_address): Return 0 before final.
6068 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
6069 * jump.c (any_uncondjump_p): Likewise.
6070 * loop.c (indirect_jump_in_function): Make static.
6071 (strength_reduce): Call doloop_optimize.
6072 (insert_bct, instrument_loop_bct): Remove.
6073 * loop.h (doloop_optimize): Prototype.
6074 * recog.c (split_all_insns): Split all INSN_P.
6075 * toplev.c (flag_branch_on_count_reg): Default on.
6077 * config/c4x/c4x.c (c4x_optimization_options): Don't set
6078 flag_branch_on_count_reg.
6079 * config/i386/i386.c (override_options): Likewise.
6080 * config/rs6000/rs6000.c (optimization_options): Likewise.
6082 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
6084 (dbra_ge): Remove, as well as all it's splitters.
6086 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
6089 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
6090 (ia64_register_move_cost): Declare.
6091 * config/ia64/ia64.c (ar_lc_reg_operand): New.
6092 (struct ia64_frame_info): Add ar_size.
6093 (ia64_compute_frame_size): Set it.
6094 (save_restore_insns): Save and restore ar.lc.
6095 (ia64_register_move_cost): New, moved from header file. Handle
6096 application registers.
6097 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
6098 (emit_insn_group_barriers): Special case doloop_end_internal.
6099 (ia64_epilogue_uses): Mark ar.lc live at end.
6100 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
6101 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
6102 (FIRST_PSEUDO_REGISTER): Make room.
6103 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
6104 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
6105 (REG_ALLOC_ORDER): Update.
6106 (HARD_REGNO_MODE_OK): Update.
6107 (REGISTER_NAMES): Update.
6108 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
6109 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
6110 (REGNO_REG_CLASS): Update.
6111 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
6112 (REGISTER_MOVE_COST): Move out of line.
6113 (PREDICATE_CODES): Update.
6114 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
6115 (addsi3_plus1_alt, adddi3_plus1_alt): New.
6116 (shladd_elim splitter): Allow constants in the predicate.
6117 (doloop_end, doloop_end_internal): New.
6119 2000-07-30 Richard Henderson <rth@cygnus.com>
6121 * genattrtab.c (struct insn_def): Add lineno member.
6122 (struct insn_ent): Likewise.
6123 (struct attr_desc): Likewise.
6124 (struct delay_desc): Likewise.
6125 (struct function_unit_op): Likewise.
6126 (struct function_unit): Likewise.
6127 (check_attr_value): Use message_with_line.
6128 (check_defs): Likewise.
6129 (expand_units): Likewise.
6130 (check_attr_test): Take a lineno argument.
6131 (gen_attr): Likewise.
6132 (gen_insn): Likewise.
6133 (gen_delay): Likewise.
6134 (gen_unit): Likewise.
6135 (main): Give it to them.
6136 (convert_set_attr_alternative): Take an insn_def argument
6137 instead of num_alt and insn_index.
6138 (convert_set_attr): Likewise.
6139 (write_test_expr): Protect INSN_ADDRESSES load
6140 with INSN_ADDRESSES_SET_P.
6142 2000-07-30 Richard Henderson <rth@cygnus.com>
6144 * flow.c (init_propagate_block_info): Use pc_set.
6146 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
6148 * i386.md (*lea_general_[123]) New insns and splits.
6149 (addsi3 to lea splitter): Handle other modes too.
6150 (shlsi3 to lea splitter): Likewise.
6151 (addhi_1_lea, shlhi_1_lea): New patterns.
6152 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
6154 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
6156 * recog.c (general_operand, nonimmediate_operand): Accept
6157 any mode for VOIDmode CONSTANT_P operands.
6159 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
6161 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
6162 instead of replace_rtx.
6163 * recog.c (validate_replace_rtx_subexp): New function.
6164 * recog.h (validate_replace_rtx_subexp): Declare.
6166 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
6168 * combine.c (simplify_set, make_extraction, make_compound_operation
6169 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
6170 as force_to_mode argument.
6172 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
6174 * combine.c (if_then_else_cond): Be sure that mode fits in
6177 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
6179 * combine.c (record_promoted_value): Allow bitsize of mode
6180 to be equivalent to HOST_BITS_PER_WISE_INT.
6182 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
6184 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
6185 Do not call gen_mode_alignment when mode is BLKmode.
6187 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
6189 * loop.c (express_from_1): Fix call of simplify_gen_binary.
6191 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
6193 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
6194 VOIDmode implies both operands to be VOIDmode.
6195 (simplify_ternary_operation): Compute properly the mode of comparison.
6196 * combine.c (combine_simplify_rtx): Likewise.
6198 2000-07-25 Michael Hayes <mph@paradise.net.nz>
6200 * basic-block.h (struct loops): New field rc_order.
6201 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
6202 (flow_loops_free): Free rc_order.
6203 (flow_depth_first_order_compute): New parameter rc_order.
6204 (flow_loops_find): Allocate rc_order and swap usage with
6207 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6208 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6210 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
6211 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
6212 (nodb_call, return_from_epilogue): Likewise.
6213 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
6214 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
6215 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
6216 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6217 (c4x_valid_type_attribute_p): Likewise.
6218 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
6219 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
6221 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6223 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
6224 and loadhi_big_constant if applicable.
6225 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
6226 and add new splitter.s
6228 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6230 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
6232 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6234 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
6236 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6238 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
6240 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6242 * config/c4x/libgcc.S (divqf3): Improve accuracy.
6244 2000-07-27 Mark Mitchell <mark@codesourcery.com>
6246 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
6247 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
6248 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
6249 (get_prev_bb_note): Likewise.
6250 (remove_scope_notes): Likewise.
6251 * flow.c (commit_one_edge_insertion): Likewise.
6252 (merge_blocks_nomove): Likewise.
6253 (verify_flow_info): Likewise.
6254 * gcse.c (insert_insn_end_bb): Likewise.
6255 * reg-stack.c (emit_swap_insn): Likewise.
6256 * ssa.c (first_insn_after_basic_block_note): New function.
6257 (insert_phi_node): Use it.
6258 (rename_block): Likewise.
6259 (eliminate_phi): Likewise.
6260 (make_regs_equivalent_over_bad_edges): Likewise.
6261 (make_equivalent_phi_alternatives_equivalent): Likewise.
6262 (for_each_successor_phi): Likewise.
6263 (convert_from_ssa): Modify phi-node deletion algorithm.
6265 2000-07-29 Andreas Jaeger <aj@suse.de>
6267 * configure.in (mips*-*-linux*): Use mips*el to check for little
6268 endian MIPS, add tmake_file.
6270 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
6271 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
6272 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
6274 2000-07-28 Richard Henderson <rth@cygnus.com>
6276 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
6277 Sign extend mode size before negating.
6279 2000-07-28 Richard Henderson <rth@cygnus.com>
6281 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
6283 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
6285 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
6286 (cse_insn): Likewise.
6287 (addr_affects_sp_p): Likewise.
6288 * expr.c (move_by_pieces): Likewise.
6289 (clear_by_pieces): Likewise.
6290 * gcse.c (oprs_unchanged_p): Likewise.
6291 * haifa-sched.c (sched_analyze_2): Likewise.
6292 * recog.c (offsettable_address_p): Likewise.
6293 * regclass.c (record_address_regs): Likewise.
6294 * reload.c (find_reusable_reload): Likewise.
6295 (push_reload): Likewise.
6296 (operands_match_p): Likewise.
6297 (decompose): Likewise.
6298 (find_reloads_address_1): Likewise.
6299 (find_inc_amount): Likewise.
6300 * reload1.c (elimination_effects): Likewise.
6301 * resource.c (mark_set_resources): Likewise.
6302 * flow.c (attempt_auto_inc): New function; mostly broken out
6304 (find_auto_inc): Split into two functions and enhanced to
6305 generate POST_MODIFY.
6306 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
6307 * rtl.h (count_all_occurrences): Declare.
6308 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
6310 * rtlanal.c (count_all_occurrences): New function.
6311 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
6312 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
6314 * config/ia64/ia64-protos.h (destination_operand): Declare.
6315 * config/ia64/ia64.c (destination_operand): New function.
6316 (ia64_print_operand): Handle POST_MODIFY.
6317 (rtx_needs_barrier): Likewise.
6318 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
6319 (HAVE_POST_MODIFY_REG): Define to 1.
6320 (MAX_REGS_PER_ADDRESS): Change to 2.
6321 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
6322 (LEGITIMATE_ADDRESS_REG): New helper macro.
6323 (LEGITIMATE_ADDRESS_DISP): Likewise.
6324 (PREDICATE_CODES): Add entry for destination_operand.
6325 * config/ia64/ia64.md (all mov patterns): Use destination_operand
6326 predicate for operand 0.
6328 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6330 * dwarf2out.c: Indent #error directive.
6332 * gbl-ctors.h: Fix typo in comment.
6333 (__do_global_ctors): Prototype.
6335 * gcse.c (record_one_set, pre_delete): Remove unused variables.
6337 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
6338 (print_operand): Initialize variable `t'.
6340 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
6342 * config/arm/arm.md ("call_value"): removed constraints.
6343 Constraints are ignored in expanders.
6344 (*call_value_reg): split =rf into various constraints.
6345 (*call_value_mem): same
6346 (*call_value_symbol): same
6347 (*sibcall_value_insn): same
6349 2000-07-28 Philipp Thomas <pthomas@suse.de>
6351 * install.texi (--enable-nls): Change the description of the NLS
6352 related configure options to match the current state.
6353 (--with-included-gettext): Likewise.
6354 (--enable-maintainer-mode): New description added.
6355 * extend.texi (-fstrict-prototype): Add missing '.'.
6357 2000-07-27 Jim Wilson <wilson@cygnus.com>
6359 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
6360 DECL_INITIAL (decl) == NULL_TREE.
6362 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
6364 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
6365 on insn-attr.h with it.
6366 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
6367 * insn-addr.h: New header.
6368 (insn_addresses_): Renamed from insn_addresses.
6369 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
6370 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
6371 INSN_ADDRESSES_NEW): New macros.
6372 * genattrtab.c (write_test_expr): Use new macros.
6373 * final.c (insn_addresses, init_insn_lengths): Likewise.
6374 (align_fuzz, shorten_branches): Likewise.
6375 (final): Likewise. Do not reject new insns if their addresses
6376 have been added to INSN_ADDRESSES.
6377 * config/arm/arm.c, config/avr/avr.c: Use new macros.
6378 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
6379 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
6380 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
6381 * config/sh/sh.c: Likewise.
6382 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
6384 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
6386 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
6388 * gcc.c (struct prefix_list): Add member priority.
6389 (enum path_prefix_priority): Declare.
6390 (add_prefix): Replace ``first'' with ``priority''. Append new
6391 entry but keep list in priority order.
6392 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
6393 PREFIX_PRIORITY_LAST to add_prefix.
6394 (process_command): Move include kludge - foo/stageN - to before
6397 2000-07-27 Jason Merrill <jason@redhat.com>
6399 * dwarf2out.c (gen_typedef_die): Abort if we get identical
6400 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
6402 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
6404 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
6405 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
6407 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
6409 * c-decl.c (finish_function): Don't treat 'main' specially unless
6410 flag_hosted. In C99 mode, return 0 from 'main' unless
6411 DEFAULT_MAIN_RETURN is otherwise defined.
6413 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
6414 parameters defaulting to int in an old-style function definition.
6416 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6418 * c-parse.in (string): For -Wtraditional, warn about string
6419 concatenation only once per line.
6421 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
6423 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
6424 for HI-UX/WE2 systems.
6426 2000-07-24 Bruce Korb <bkorb@gnu.org>
6428 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
6429 defining the __xxx_TYPE__ macros.
6430 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
6431 * fixincl/fixlib.h: don't need to include "tm.h" anymore
6432 * fixincl/inclhack.def(type_map): now obsolete
6434 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
6436 * cpp.texi: Append a trailing full-stop to xrefs where needed.
6438 2000-07-26 Dave Pitts <dpitts@cozx.com>
6440 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
6442 (mvs_hash_alias): New function.
6443 (mvs_add_alias): Change argument spacing.
6444 (mvs_need_alias): Change aliasing criteria. Added documentation.
6445 (mvs_get_alias): Change to use hashed name. The hashed name prevents
6446 CSECT name collisions.
6447 (mvs_check_alias): Likewise.
6448 (handle_pragma): Change documentation.
6449 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
6450 mode from SImode to DImode.
6451 (iorhi3): Changed LTORG size for insn.
6453 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
6455 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
6456 mem if the address is a mode_dependent_address_p.
6458 2000-07-26 Kazu Hirata <kazu@hxi.com>
6460 * h8300.c (print_operand): Print ":8" when the 'R' operand is
6461 suitable for 8-bit absolute.
6462 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
6463 (OK_FOR_U): Add a case for the 8-bit constant address on the
6466 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
6468 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
6469 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
6470 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
6471 lack of implemented alignment.
6473 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
6475 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
6476 cross-compiling between 64-bit and 32-bit machines.
6478 2000-07-27 Richard Henderson <rth@cygnus.com>
6480 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
6481 (movhicc_astep, movhi_internal_astep): New.
6482 (movsicc_astep, movsi_internal_astep): New.
6483 (movdicc_astep, movdi_internal_astep): New.
6484 (movsfcc_astep, movsf_internal_astep): New.
6485 (movdfcc_astep, movdf_internal_astep): New.
6486 (movxfcc_astep, movxf_internal_astep): New.
6487 (cmovdi_internal_astep, cmovsi_internal_astep): New.
6488 Unify the cmov[ds]i splitters.
6490 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
6492 * real.c (asctoeg): Rename `error' label to unexpected_char_error
6494 2000-07-26 Nick Clifton <nickc@cygnus.com>
6496 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
6497 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
6499 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
6500 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
6502 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
6504 * c-decl.c (finish_enum): Convert enumerations that fit in an
6506 (build_enumerator): In pedantic mode, cast to `int' those that
6509 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
6511 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
6513 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6515 * sh.md (cmpgtdi_t): Must be split.
6516 (cmpgtdi_t+1): New splitter.
6518 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
6520 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
6521 warnings for indented directives even if we are skipping.
6523 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
6525 * invoke.texi (strict-prototypes): Remove.
6526 * extend.texi (Deprecated Features): Add strict-prototypes.
6527 (Backwards Compatibility): New node.
6529 2000-07-25 Jakub Jelinek <jakub@redhat.com>
6531 * config/i386/i386.md (andsi_1+1): Allow HImode.
6532 (andsi_1+2): Require q_regs_operand.
6534 2000-07-25 Jakub Jelinek <jakub@redhat.com>
6536 * config/i386/i386.md (call_pop): Check operands[0],
6537 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
6539 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
6540 (call_value): Likewise.
6542 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
6544 * toplev.c (pipe_closed): Delete.
6545 (crash_signal): New. Generate ICE for a fatal signal.
6546 (float_signal): Call crash_signal outside a float-handler
6548 (main): Install crash_signal as handler for core-dumping signals.
6550 2000-07-25 David Edelsohn <edelsohn@gnu.org>
6552 * rs6000.c (print_operand, case 'T'): New case.
6554 * rs6000.md (call_indirect_aix32): Convert to expander of
6555 scheduled instructions.
6556 (call_indirect_aix64): Likewise.
6557 (call_value_indirect_aix{32,64}): Likewise.
6558 (call, call_value): Invoke expanders for AIX. Fall through to
6560 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
6561 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
6562 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
6563 only "g" constraint.
6564 (call_nonlocal_aix64): Likewise.
6565 (call_value_nonlocal_aix{32,64}): Likewise.
6566 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
6568 (call_value_nonlocal_sysv): New pattern.
6569 (indirect_jump{si,di}): Use new 'T' modifier.
6570 (tablejump{si,di} matchers): Likewise.
6571 (return_internal_{si,di}): Likewise.
6572 (return_eh_{si,di}): Likewise.
6574 2000-07-24 Richard Henderson <rth@cygnus.com>
6576 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
6577 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
6578 * config/ia64/ia64.md (movdi_internal): Use it.
6580 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
6582 * cppexp.c: Warn about unary + if -Wtraditional.
6583 * cpplex.c (lex_line): Always set BOL on the first token of a line.
6585 2000-07-24 Michael Meissner <meissner@redhat.com>
6587 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
6590 2000-07-24 Nick Clifton <nickc@cygnus.com>
6592 * config/arm/arm.c (emit_multi_reg_push): Generate a
6593 REG_FRAME_RELEATED_NOTE that is compatable with the code in
6594 dwarf2out_debug_frame_expr.
6596 2000-07-24 Jason Merrill <jason@redhat.com>
6598 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
6599 UNALIGNED_INT_ASM_OP.
6600 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
6601 a location expression.
6602 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
6603 assume indirect access if we're saving the CFA address exactly.
6605 * Makefile.in (bootstrap): Move -BstageN/ to the end.
6607 2000-07-24 Jakub Jelinek <jakub@redhat.com>
6609 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
6612 2000-07-24 Michael Meissner <meissner@redhat.com>
6614 * invoke.texi (D30V Options): Add d30v options.
6616 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
6618 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
6619 needed by our gcse pass anymore.
6620 (free_pre_mem): Corresponding changes.
6621 (compute_pre_data): Do not call compute_transpout anymore.
6623 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
6624 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
6627 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
6628 (compute_pre_data): Do it here instead.
6630 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
6632 (pre_delete): Corresponding changes.
6634 2000-07-23 Mark Mitchell <mark@codesourcery.com>
6636 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
6637 to figure out whether or not a variable has already been emitted.
6639 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
6641 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
6642 instead of gen_call.
6644 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
6646 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
6648 2000-07-23 Kazu Hirata <kazu@hxi.com>
6650 * h8300.c: Fix formatting.
6652 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
6654 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
6655 for `long' switch expression into a plain warning.
6657 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
6658 (yylex): Don't pedwarn for "inline" in C99 mode.
6660 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
6662 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
6663 ggc_alloc): Likewise.
6664 * bb-reorder.c (dump_scope_forest_1): Likewise.
6666 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
6668 * reload.c (find_reloads_toplev): Add new parameter
6670 (find_reloads): Add new parameter to find_reloads_toplev calls.
6672 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
6674 * collect2.c (main): Typo fixed.
6675 * diagnostic.c: Typo fixed.
6676 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
6677 * eh-common.h: Typo fixed.
6678 * emit-rtl.c (start_sequence): Typo fixed.
6679 * flow.c (find_label_refs): Typo fixed.
6680 (calculate_global_regs_live): Typo fixed.
6681 (mark_regno_cond_dead): Typo fixed.
6682 (create_edge_list): Typos fixed.
6683 (verify_edge_list): Typo fixed.
6684 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
6685 * loop.c (strength_reduce): Typo in function name fixed.
6686 * rtl.h: Added comments. Typo in function name fixed.
6687 * rtlanal.c: Typo in function name fixed.
6688 (insn_dependant_p): Rename to ...
6689 (insn_dependent_p): ... this.
6690 (computed_jumo_p): Typo fixed.
6692 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6694 * system.h (__FUNCTION__): Wrap definition in #ifndef.
6696 2000-07-21 David Edelsohn <edelsohn@gnu.org>
6698 * rs6000.h (SIZE_TYPE): Define.
6700 2000-07-21 Mark Mitchell <mark@codesourcery.com>
6702 * ssa.c (rename_insn_1): Don't rename registers that are
6705 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
6707 * diagnostic.c (trim_filename, fancy_abort): Moved here from
6709 (fatal_function, set_fatal_function): Removed.
6710 (fatal): Don't prepare for or call the fatal_function.
6711 (diagnostic_lock, error_recursion): New.
6712 (diagnostic_for_decl, report_diagnostic): Guard against
6713 re-entering the error reporting routines.
6714 (fancy_abort): Assume function is not NULL.
6716 * errors.c (fancy_abort): New. Assume function is not NULL.
6717 * tradcpp.c (fancy_abort): Assume function is not NULL.
6719 * system.h: Provide default definition of __FUNCTION__.
6720 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
6721 Always use __FUNCTION__ in definition of abort.
6723 * varray.h: Likewise.
6724 * toplev.h: Likewise. Don't prototype set_fatal_function.
6726 2000-07-20 Geoff Keating <geoffk@cygnus.com>
6728 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
6730 * glimits.h: Don't do #if defined for ARCH_PPC.
6732 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
6733 constants of size no larger than a pointer should go in the TOC.
6734 Add 'MODE' parameter.
6735 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
6736 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
6737 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
6738 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
6739 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
6740 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
6741 (rs6000_legitimize_address): Likewise.
6742 (rs6000_emit_move): Likewise.
6743 (rs6000_select_rtx_section): Likewise.
6744 (output_toc): Deal properly with outputting small constants like
6745 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
6746 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
6747 MODE parameter. Put small constants in the TOC.
6749 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
6751 (rs6000_emit_move): When reload calls us with an illegitimate
6752 address, exit early. Move the change_address calls to one place
6753 at the end of the routine. Merge the SImode and DImode expanders.
6754 When called by reload to put an integer into a FP register, force
6757 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
6759 (rs6000_hash_constant): Hash mode too.
6760 (toc_hash_function): Allow for key_mode.
6761 (toc_hash_eq): Structures are different if key_mode differs.
6762 (output_toc): Add 'mode' parameter. Save key_mode.
6763 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
6764 Pass 'mode' parameter.
6765 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
6767 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
6768 for vtable references.
6770 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
6771 choice, don't put integer values in FP regs.
6773 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
6775 * flow.c (verify_flow_info): Revamp code to verify that the
6776 head and end of each basic block are in the insn chain.
6778 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
6780 * gcse.c (record_one_set): Prepend instead of append onto
6781 reg_set_table, making it O(n) instead O(n^2).
6782 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
6783 Use a queue instead of a stack as worklist.
6785 2000-07-20 Kazu Hirata <kazu@hxi.com>
6787 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
6788 * h8300.h (OK_FOR_T): New.
6789 (EXTRA_CONSTRAINT): Support OK_FOR_T.
6790 * h8300.md: Use inc/dec.[wl] for increment/decrement
6791 by 1 and 2 in HI and SI modes.
6793 2000-07-20 Jim Wilson <wilson@cygnus.com>
6795 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
6796 larger than 14 bits.
6798 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
6800 * cppmacro.c (CAN_PASTE_AFTER): New macro.
6801 (count_params): Don't set GNU_REST_ARGS on anything.
6802 (save_expansion): Set PASTE_LEFT only on tokens for which
6803 CAN_PASTE_AFTER is true, or which are named operators.
6805 * cpplex.c (parse_args): Distinguish between a rest argument
6806 given one empty argument, and a rest argument given zero arguments.
6807 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
6808 deletion of previous token based on that.
6809 (get_raw_token): Flatten some control structure.
6811 * cpplib.h (CPP_LAST_EQ): Correct.
6812 (VOID_REST): New token flag.
6813 (GNU_REST_ARGS): Delete.
6815 * tradcpp.c (main): Don't munge -D options.
6816 (make_definition): Bring -D handling in line with cpplib.
6817 (do_define): Strip all leading whitespace from macro definitions.
6819 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
6821 * Makefile.in (tradcpp): Depend on intl.o and version.o.
6823 2000-07-20 Bruce Korb <bkorb@gnu.org>
6825 * fixincl/check.tpl: strip the platform specific types before testing
6826 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
6827 * fixincl/fixincl.tpl: use platform specific types
6828 * fixincl/fixlib.h: include the platform specific types
6829 * fixincl/inclhack.def(gnu_types): don't supply the types
6830 * fixincl/fixincl.x: regen
6832 2000-07-19 Jim Wilson <wilson@cygnus.com>
6834 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
6837 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
6839 * tradcpp.c (rescan): Do not recognize directives when the #
6842 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
6844 Implement C++ named operators.
6846 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
6847 of operators allowed in #if and having an _EQ variant. Add
6848 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
6849 (cpp_token flags): Add NAMED_OP.
6850 (enum node_type): Add T_OPERATOR.
6851 (struct cpp_hashnode): Add code slot to value union.
6852 * cpphash.h (spec_nodes): Remove n_defined.
6854 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
6855 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
6856 (is_macro_disabled): Tweak error messages.
6858 * cpplib.c (get_define_node): Disallow all named operators as
6859 macro names. Tweak error messages.
6860 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
6862 * cppinit.c (builtin_array): Add entries for the named operators.
6863 * cppexp.c (lex): Check for CPP_DEFINED token.
6864 (priority table): Add entries for CPP_MIN and CPP_MAX.
6865 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
6867 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
6869 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
6870 larger than the array of cuids.
6871 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
6874 2000-07-19 Bruce Korb <bkorb@gnu.org>
6876 * fixinc/fixincl.c: Convert to using a table of environment variables
6877 and activate the auto-edit marker on the fixed output files.
6878 * fixinc/fixlib.h: Define the environment table
6879 * fixinc/fixincl.sh: export the ${INPUT} dir
6880 * fixinc/check.tpl: likewise
6882 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
6884 * gcc.c (.h spec): Fix typo.
6886 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
6888 * Makefile.in: Fix tradcif.c path.
6890 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
6892 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
6895 * cpphash.h (TOKEN_NAME): New macro.
6896 (_cpp_spell_operator): Deleted.
6897 (token_spellings): Now _cpp_token_spellings.
6899 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
6900 * cpplex.c: Use OP and TK macros when expanding the
6901 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
6902 store the stringification of the enumeration name (CPP_CHAR,
6903 etc.) in the name slot of token_spellings.
6904 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
6905 token_spellings directly.
6906 * cpplib.c: Use TOKEN_SPELL.
6908 * cpplex.c (_cpp_push_token): If the token being pushed back
6909 is the previous token in this context, just subtract one from
6911 * cppmacro.c (save_expansion): Clear aux field when storing a
6914 2000-07-18 Jakub Jelinek <jakub@redhat.com>
6916 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
6917 buffer, provided it is not NULL.
6919 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
6921 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
6922 case of invalid volatile re-declaration.
6924 2000-07-18 Jakub Jelinek <jakub@redhat.com>
6926 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
6927 (expand_call): Adjust caller.
6929 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
6931 * diagnostic.h (report_diagnostic): Change prototype.
6933 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
6934 diagnostic_for_decl): Change prototype.
6935 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
6936 error, warning, error_with_file_and_line,
6937 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
6938 Adjust call to report_diagnostic, diagnostic_for_decl.
6939 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
6940 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
6942 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
6943 varaible argument list.
6945 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
6947 * cpphash.c: Don't include hashtab.h. Most macro-handling code
6948 moved to cppmacro.c.
6949 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
6950 dump_hash_helper): Delete.
6951 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
6952 cpp_forall_identifiers): New. Implement specialized version of
6953 Vlad's expandable hash table.
6954 (cpp_lookup): Use new functions.
6955 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
6957 * cppmacro.c: New file.
6958 * cppinit.c (dump_macros_helper): New.
6959 (cpp_finish): Iterate over the identifier table directly.
6960 * cpplex.c (parse_name): Calculate the hash of the identifier
6961 while we scan it. Use _cpp_lookup_with_hash when we can.
6963 * cpphash.h: Update prototypes.
6964 (xcnewvec, HASHSTEP): New helper macros.
6965 * cpplib.h: Update prototypes.
6966 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
6967 (cppmacro.o): New rule.
6968 (cpphash.o): Update deps.
6970 * cppmain.c: Do not set pfile->printer if no_output is on.
6972 2000-07-15 Neil Booth <neilb@earthling.net>
6974 * cpplib.c: Change all directive-handler functions to return
6976 * cpphash.h: Update typedefs.
6978 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
6980 * configure: Regenerate.
6982 * extend.texi (Extended Asm): Mention that a memory clobber
6983 does not count as a side-effect.
6985 * unroll.c (copy_loop_body): Fix one instance of using host
6986 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
6989 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
6991 2000-07-17 Richard Henderson <rth@cygnus.com>
6993 * config/ia64/ia64.md (movdi): Split out load address code.
6994 New post-reload splitter for symbolic operands.
6995 (movdi_internal): Abort if we didn't split symbolic operands
6996 when we should have.
6997 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
6998 (ia64_reorg): Split insns when not optimizing.
6999 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
7001 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
7003 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
7004 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
7006 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
7008 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
7010 2000-07-17 Jason Merrill <jason@redhat.com>
7012 * Makefile.in (clean): Remove libgcc directory.
7014 * configure.in (-Wno-long-long check): Use higher-level macros.
7016 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
7018 * simplify-rtx.c (simplify_binary_operation): Recognize
7019 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
7020 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
7021 a CONST_INT, it will always be zero.
7023 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
7025 * loop.c (check_dbra_loop) : Return if more than one condition is
7026 present to control the loop.
7028 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
7030 * mips.c (mips_expand_prologue): Don't calculate the last argument
7031 register unless we need it. When we are calculating this, make
7032 sure FUNCTION_ARG is giving us a REG.
7034 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7036 * flow.c (libcall_dead_p): Use single_set to verify the insn
7037 has only one set and get for analysis.
7038 (propagate_one_insn): Don't pass the PATTERN of the insn.
7040 2000-07-17 Mark Klein <mklein@dis.com>
7042 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
7044 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7046 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
7047 * configure.in (TARGET_GETGROUPS_T): Evaluate.
7048 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
7049 of second argument of getgroups.
7050 * configure, config.in: Rebuilt.
7052 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
7054 * simplify-rtx.c (simplify_relational_operation): Two signed
7055 values with equal high words are less/greater than each other if
7056 their low words are less/greater when considered as unsigned.
7058 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
7060 * configure.in (vax-*-openbsd): Change to new style configuration,
7061 add collect2/float_format information.
7062 * configure: Rebuilt.
7063 * config/vax/openbsd1.h: New.
7064 * config/vax/openbsd.h: New.
7065 * config/vax/t-openbsd: New.
7067 2000-07-17 Chip Salzenberg <chip@valinux.com>
7069 * c-common.c (shorten_compare): Quiet warnings about unsigned
7070 comparisons with zero when they occur in a system header.
7072 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7074 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
7075 update to describe current practice.
7077 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
7079 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
7080 references to C9X. Change references to -fstd and -flang-isoc9x
7083 * c-common.c (scan_char_table): Allow "z" length modifiers on
7085 (check_format_info): Use TYPE_DOMAIN on the type matched against
7086 for "z" formats, to retrieve the language size_t rather than the
7089 * c-common.c (check_format_info): Do not make a pedantic objection
7090 to the 'L' length modifier if used with a floating point type
7093 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
7094 constants in C99 mode.
7096 2000-07-17 Kazu Hirata <kazu@hxi.com>
7098 * h8300.md: Fix the format of mac.
7099 (movsi_h8300hs): Output a tab after stmac instead of a space.
7101 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
7102 profitable adds/subs sequences.
7104 * fold-const.c: Fix comment typos.
7106 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
7108 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
7110 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7112 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
7114 2000-07-16 Neil Booth <NeilB@earthling.net>
7116 * cpplex.c: Update comments.
7117 * README.Portability: Small update.
7119 2000-07-16 Neil Booth <NeilB@earthling.net>
7121 * README.Portability: Small update.
7123 2000-07-15 Richard Henderson <rth@cygnus.com>
7125 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
7126 * config/ia64/ia64.c (ia64_move_ok): New function.
7127 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
7128 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
7130 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
7132 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
7133 immediately following a paste operator.
7134 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
7135 (cpp_reader_init): Call it, if HOST_EBCDIC.
7136 (cpp_handle_options): Do not sort option list here.
7137 (handle_option): Rename to cpp_handle_option and export.
7138 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
7139 _cpp_get_token directly.
7140 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
7141 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
7142 * cpplib.h: Prototype cpp_handle_option. Update prototype of
7145 2000-07-15 Richard Henderson <rth@cygnus.com>
7147 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
7148 cast around an expression. Tidy other unsigned tests.
7150 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
7152 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
7153 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
7154 (v_message_with_decl): Rename to ...
7155 (format_with_decl): ... this. Tweak
7156 (diagnostic_for_decl): New function.
7157 (fatal_io_error): Use verbatim in lieu of notice.
7158 (announce_function): Use verbatim.
7159 (default_print_error_function): Likewise.
7160 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
7163 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7165 * mips.c (function_arg_pass_by_reference): Don't do automatic
7166 aggregate initialization.
7167 (machine_dependent_reorg): Initialize variable `mode'.
7169 * mips.md (absdi2): Change variable `regno1' to unsigned int.
7170 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
7171 conflicts with sys/param.h macro of the same name.
7172 (reload_outdi): Likewise.
7174 2000-07-15 Michael Meissner <meissner@redhat.com>
7176 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
7177 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
7178 create a new node instead.
7180 2000-07-15 Neil Booth <NeilB@earthling.net>
7182 * README.Portability: Correct example about calling a function
7183 through a pointer to function. Format wide paragraphs.
7185 2000-07-15 Michael Meissner <meissner@redhat.com>
7187 * README.Portability: Update integer suffixes and function
7190 2000-07-15 Neil Booth <NeilB@earthling.net>
7192 * README.Portability: Small update.
7194 2000-07-15 Neil Booth <NeilB@earthling.net>
7196 * README.Portability: New file.
7198 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
7200 * INSTALL: Give special instructions for building GCC on Irix 6.
7201 * config/mips/x-iris6 (CC): Don't set it.
7204 2000-07-14 Jason Merrill <jason@redhat.com>
7206 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
7207 register in the stack and later in another register, use the new
7210 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
7212 * config/mips/mips.md: (absdi2): Handle sign_extend for
7215 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
7217 * cpplib.c (do_pragma_dependency): Tidy warning messages.
7219 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
7221 * .cvsignore: Correct typo.
7223 2000-07-13 Mark Mitchell <mark@codesourcery.com>
7225 * .cvsignore: Add generated YACC files.
7226 * objc/.cvsignore: New file.
7228 2000-07-14 Neil Booth <NeilB@earthling.net>
7230 * cpplex.c (adjust_column): New funcion.
7231 (skip_whitespace): Use it.
7232 (skip_block_comment): Use it, and warn about /*/* with
7235 2000-07-14 Neil Booth <NeilB@earthling.net>
7237 * cpphash.c (struct macro_info): Add new members.
7238 (_cpp_free_definition): Delete the macro directly.
7239 (count_params): Return void, with first token of
7240 expansion in struct macro_info on success.
7241 (parse_define): Return int. Hoist syntax checking from
7242 save_macro_expansion. Leave call to save_expansion to
7243 _cpp_create_definition.
7244 (alloc_macro): Needs just 2 arguments.
7245 (free_macro): Delete.
7246 (save_expansion): Don't perform syntax check.
7247 (_cpp_create_definition): Call save_expansion.
7249 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7251 * genrecog.c (write_header): Split long string.
7253 * cpphash.c (macro_info): Don't use the `signed' keyword.
7255 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
7257 2000-07-13 Jakub Jelinek <jakub@redhat.com>
7259 * calls.c (stored_args_map): New variable.
7260 (check_sibcall_argument_overlap_1): New.
7261 (check_sibcall_argument_overlap): New.
7262 (expand_call): Initialize stored_args_map.
7263 Call check_sibcall_argument_overlap.
7265 2000-07-13 Bruce Korb <bkorb@gnu.org>
7267 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
7268 (emit_gnu_type): utility procedure for gnu_type_fix
7269 (gnu_type_fix): implement various pre-processor guards around
7270 standard types so these types can be defined over and over
7271 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
7272 types alluded to above will have GNU-compliant base types
7273 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
7274 * fixinc/inclhack.def: add test_text entries and utilize the new
7275 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
7276 * fixinc/fixincl.x: regenerate
7278 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7280 * diagnostic.c (vline_wrapper_message_with_location,
7281 v_message_with_file_and_line, v_error_with_file_and_file,
7282 v_error_for_asm, v_warning_for_asm, vfatal,
7283 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
7284 vsorry, verror, vwarning, vpedwarn): Remove.
7285 (diagnostic_for_asm): New function.
7286 (pedwarn, error, warning, pedwarn_with_file_and_line,
7287 error_with_file_and_line, warning_with_file_and_line, sorry,
7288 error_for_asm, warning_for_asm, fatal): Reimplement.
7289 (finish_diagnostic): Clear diagnostic info as well.
7291 2000-07-13 Neil Booth <NeilB@earthling.net>
7293 * c-common.h (flag_digraphs): New.
7294 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
7295 * c-lex.c (yylex): Use flag_digraphs to decide whether to
7298 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
7300 * gcc.c (do_spec_1): Add new %B operator.
7301 (set_input): Prepare for %B.
7303 (link_command_spec): Move up with the other tm.h-
7304 overrideable specs. Factor out the portion conditional on
7305 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
7306 (struct compiler): Just have a single spec string. All users
7308 (default_compilers): Remove unnecessary braces.
7309 (static_specs): Update.
7311 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
7313 (C and assembly specs): Use the new named specs, as appropriate.
7315 * objc/lang-specs.h: Use the new named specs.
7316 Remove unnecessary braces.
7318 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7320 * gcc.c (execute): If a subprocess gets a fatal signal, report
7321 strsignal() of the signal number, and ask for a bug report.
7322 Do not do this for SIGPIPE if there's already been an error.
7324 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
7327 * tradcif.c: Remove.
7329 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7331 * final.c (profile_function): Do not emit profile counters in
7332 the data section, if NO_PROFILE_COUNTERS is defined.
7333 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
7336 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
7337 (FUNCTION_PROFILER): Just emit a call to mcount.
7339 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7341 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
7343 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
7344 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
7345 traditional, lang_chill, or lang_fortran.
7347 * cppfiles.c: #undef strcmp to suppress warning about macros
7348 used without arguments.
7349 (_cpp_execute_include): Use f, not fname, in "No include path"
7351 (_cpp_pop_file_buffer): New function.
7352 * cpplib.c: Don't include <sys/mman.h>.
7353 (cpp_push_buffer): Set line_base and lineno in new buffer.
7354 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
7356 * cpplex.c: Move all prototypes and structure declarations to the
7357 top of the file. Properly parenthesise some macro arguments.
7358 (cpp_scan_line): New function.
7359 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
7360 don't need to walk up the stack counting.
7362 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7364 * c-common.c (combine_strings): Emit a pedantic warning when a
7365 string length is greater than the minimum ANSI C is required
7368 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
7370 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
7371 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
7373 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7375 * c-decl.c (define_label): Warn about identifier conflicts with
7376 labels in traditional C.
7378 * c-parse.in (unop +): Warn about the unary plus operator for
7381 * c-typeck.c (store_init_value): Warn about automatic aggregate
7382 initialization for traditional C.
7384 * invoke.texi (-Wtraditional): Document new warnings.
7386 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
7388 * Makefile.in (c-errors.o): Fix thinko in dependency.
7390 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7392 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
7393 -traditional, -ftraditional, or -traditional-cpp was given.
7394 Do not pass -traditional to the preprocessor.
7395 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
7396 preprocessor does it automatically.
7397 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
7399 * ch/lang-specs.h: Always use tradcpp. Do not pass
7400 -traditional, -trigraphs, or -pedantic to the preprocessor.
7401 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
7404 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7406 * cppexp.c (LOGICAL): Delete macro.
7407 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
7410 * cpphash.c (HASHSIZE): Increase to 4096.
7411 (struct hashdummy): Add hash field.
7412 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
7413 the string values using memcmp.
7414 (cpp_lookup): Set dummy.hash.
7416 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
7418 * configure.in (m88k-openbsd): Express configuration using new fragment
7420 * configure: Rebuilt.
7421 * m88k/aout-dbx.h: New.
7422 * m88k/openbsd.h: New.
7423 * m88k/xm-openbsd.h: New.
7425 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7427 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
7429 2000-07-12 Richard Henderson <rth@cygnus.com>
7431 * reload.c (push_secondary_reload): Make sure to add the new
7432 reload at the end, after acquiring secondary memory.
7434 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7436 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
7438 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
7439 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
7441 * c-parse.in (stmt): Delete unused variables.
7443 * convert.c (convert_to_vector): Likewise.
7445 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
7447 * tree.c (finish_vector_type): Prototype.
7449 2000-07-12 Bruce Korb <bkorb@gnu.org>
7451 * fixinc/fixfixes.c: use xmalloc
7452 * fixinc/fixincl.c(initialize): set program name for xmalloc
7453 * fixinc/fixlib.c(must_malloc): obsolete
7454 (is_cxx_header): no longer used - disabled
7455 (skip_quote): inserted and disabled for future use
7456 * fixinc/fixlib.h: reflects above
7457 * fixinc/fixtests.c: removed dinkleberries
7459 2000-07-12 Neil Booth <NeilB@earthling.net>
7461 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
7462 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
7464 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
7465 struct toklist_dummy): New.
7466 (cpp_free_definition): Free macros with free_macro.
7467 (count_params): Don't save paramter spellings. Save macro
7468 information in a struct macro_info.
7469 (parse_define): Don't allocate a token list.
7470 (save_expansion): Allocate the macro's token list, and
7471 save parameter spellings if necessary. Use TOKEN_SPELL.
7472 (cpp_create_definition): Make list const.
7474 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
7476 * c-typeck.c (pedwarn_c99): Move to
7477 * c-errors.c: ... Here.
7478 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
7479 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
7480 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
7481 (c-errors.o): List dependency.
7483 2000-07-12 Mark Mitchell <mark@codesourcery.com>
7485 * c-parse.c: Remove.
7486 * c-parse.h: Likewise.
7487 * c-parse.y: Likewise.
7488 * objc/objc-parse.c: Likewise.
7489 * objc/objc-pasre.y: Likewise.
7491 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
7493 * gcc.texi: Fix minor typos
7494 * extend.texi: Fix minor typos
7496 2000-07-11 Marc Espie <espie@openbsd.org>
7498 * collect2.c (main): Recognize .lo as object files.
7500 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7502 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
7505 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
7506 with MAP_ANONYMOUS and MAP_ANON.
7507 * configure, config.in: Rebuilt.
7509 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
7511 * diagnostic.c (save_output_state): Remove.
7512 (restore_output_state): Likewise.
7513 (clear_text_info): New function.
7514 (clear_diagnostic_info): Likewise.
7515 (output_text_length, is_starting_newline, output_prefix,
7516 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
7517 prefixing_policy, output_buffer_ptr_to_format_args): New macros
7518 (set_real_maximum_length, output_set_maximum_length,
7519 output_set_prefix, output_get_prefix, output_set_maximum_length,
7520 output_destroy_prefix, init_output_buffer,
7521 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
7522 output_add_newline, output_add_character, output_add_space,
7523 output_append_r, output_append, wrap_text, output_format,
7524 output_do_printf, output_printf, output_do_verbatim,
7525 output_verbatim, verbatim): Use them.
7526 (output_clear): Split into cleat_text_info and
7527 clear_diagnostic_info.
7528 (struct output_state): Move to...
7530 * diagnostic.h: ...Here
7531 (struct output_buffer): Adjust.
7533 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
7535 * cpplex.c (parse_name): No longer inline (premature optimization).
7536 (do_pop_context): Fold into pop_context.
7537 (pop_context): Returns int.
7538 (lex_next): Hoist test for end of directive into pop_context.
7539 (push_macro_context): Returns int; takes just reader and token.
7540 Hoist test for excessive nesting to caller.
7541 (push_arg_context): Returns void; takes just reader and token.
7542 Do not call stringify_arg or get_raw_token.
7543 (get_raw_token): Convert tail recursion through push_arg_context
7544 to a loop at this level. Call stringify_arg here if appropriate.
7545 (maybe_paste_with_next): Convert tail recursion to a while loop.
7546 Hoist test of paste_level to caller.
7548 (stringify_arg): Push arg context at beginning.
7549 (cpp_get_token): Split out core into _cpp_get_token. Call
7550 process_directive here. Throw away CPP_PLACEMARKER tokens.
7551 (_cpp_get_token): Convert tail recursion through
7552 push_macro_context to a loop at this level.
7553 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
7554 _cpp_get_raw_token): Use _cpp_get_token.
7555 (_cpp_skip_rest_of_line): Drop the context stack directly; do
7556 not call pop_context.
7557 (_cpp_run_directive): Call lex_next directly.
7559 * cpphash.h: Prototype _cpp_get_token.
7560 * cppexp.c (lex): Use it.
7561 * cpphash.c (parse_define): Use it.
7562 * cpplib.c (get_define_node, do_undef, parse_include,
7563 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
7564 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
7565 parse_ifdef, validate_else): Use it.
7566 (cpp_push_buffer): Tweak error message; abort if anyone tries
7567 to push a buffer while macro expansions are stacked.
7569 2000-07-11 Donn Terry <donnte@microsoft.com>
7571 * cpplex.c (free_macro_args, save_token): Cast arg of free
7572 and/or xrealloc to PTR.
7573 (_cpp_init_input_buffer): Clear all fields of the base context.
7575 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
7577 * gensupport.c (process_rtx): Make rtl checking stop
7578 complaining about the define_insn while it is being
7579 converted from a define_insn_and_split.
7581 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
7583 * config/mips/mips.c (simple_memory_operand): Access the
7584 INTVAL of the address, not it's containing MEM.
7586 2000-07-11 Bruce Korb <bkorb@gnu.org>
7588 * fixinc/fixtests.c(double_slash): obsolete
7589 (else_endif_label): likewise
7590 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
7591 (libc1_ifdefd_memx): correct initial comment
7592 and omit the #if/#endif pair from the memxxx declarations
7593 * fixinc/fixincl.x: regen
7595 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7597 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
7599 2000-07-11 Neil Booth <NeilB@earthling.net>
7603 2000-07-11 Neil Booth <NeilB@earthling.net>
7605 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
7606 (handle_option): Set digraphs according to standard.
7607 Merge OPT_lang_c89 handler with OPT_std_c89.
7609 * cpplex.c: (lex_line, can_paste): Honour digraphs in
7610 accordance with the digraphs flag.
7612 * cpplib.h: (struct cpp_options): New option digraphs.
7614 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
7615 Bruce Korb <bkorb@gnu.org>
7617 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
7618 * fixinc/fixincl.x: Regenerate.
7619 * fixinc/tests/base/testing.h: Add testcase.
7621 2000-07-10 Richard Henderson <rth@cygnus.com>
7623 * config/ia64/ia64.c (got_symbolic_operand): New.
7624 (symbolic_operand, move_operand): Revert 0701 change.
7625 * config/ia64/ia64.h (PREDICATE_CODES): Update.
7626 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
7627 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
7628 split the offset into a 14-bit low part instead of a 13-bit low part.
7629 (load_fptr): Mark the mem as unchanging.
7630 (load_symptr): Use got_symbolic_operand.
7632 2000-07-10 Nick Clifton <nickc@cygnus.com>
7634 * libgcc2.c (next_stack_level): Cast result of computation to
7635 (void **) so that the assignment does not generate a warning.
7637 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
7639 * flags.h : Add new variable flag_single_precision_constant.
7640 * toplev.c (display_help) : Add -fsingle-precision-constant option.
7641 (flag_single_precision_constant): New.
7642 * c-lex.c (yylex): Convert floating point constant to single
7644 * invoke.texi : Add documentation for this new option.
7646 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
7648 * diagnostic.c (output_octal): Second parameter is unsigned.
7649 (output_long_octal): Likewise.
7650 (output_hexadecimal): Likewise.
7651 (output_long_hexadecimal): Likewise.
7652 (output_format): Adjust arguments extraction. Tweak.
7653 (output_verbatim, verbatim): End variable argument list.
7654 (report_diagnostic): Improve documentation.
7656 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
7658 * c-common.h (build_stmt): Declare.
7659 (build_continue_stmt): Likewise.
7660 (build_break_stmt): Likewise.
7661 (build_return_stmt): Likewise.
7663 * c-decl.c (do_case): Rewrite to do what previously done in
7666 * c-semantics.c (build_stmt): Define.
7667 (build_return_stmt): Likewise.
7668 (build_break_stmt): Likewise.
7669 (build_continue_stmt): Likewise.
7670 (build_case_label): Likewise.
7672 * c-parse.in (BREAK): Change to build tree, then generate RTL.
7673 (CONTINUE): Likewise.
7676 (DEFAULT): Likewise.
7678 * c-parse.y: Regenerate.
7679 * c-pasre.c: Likewise.
7681 2000-07-09 Jason Merrill <jason@redhat.com>
7683 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
7685 * tree.h (STRIP_NOPS): Check for error_mark_node.
7686 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
7687 (dwarf2out_*): Remove duplicate declarations.
7689 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
7690 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
7692 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
7694 * diagnostic.c (wrap_text): New function.
7695 (maybe_wrap_text): Likewise.
7696 (output_add_string): Use it.
7697 (output_format): Likewise.
7698 (count_error): Use verbatim instead of notice.
7699 (report_error_function): Likewise. Don't use plain fprintf.
7700 (finish_diagnostic): New function.
7701 (output_do_verbatim): Tweak. Commonalize functionalities in
7702 output_verbatim and verbatim.
7703 (output_verbatim): Adjust.
7704 (verbatim): Likewise.
7705 (report_diagnostic): Define.
7707 * diagnostic.h (report_diagnostic): Prototype.
7709 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
7711 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
7713 2000-07-09 Neil Booth <NeilB@earthling.net>
7715 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
7716 IShspace, ISspace: Update.
7718 * cppinit.c: ISTABLE: Update.
7721 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
7722 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
7723 (skip_block_comment, skip_line_comment, parse_string,
7724 lex_line): Use is_vspace rather than IS_NEWLINE.
7725 (skip_whitespace, lex_line): Clean up to use is_nvspace.
7726 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
7728 (lex_next): Unconditionally stop if within a directive.
7729 Treat directives within macro invocations as directives
7730 (after parse_args emits error), not as the argument.
7732 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
7734 * diagnostic.c (diagnostic_args): New macro.
7735 (diagnostic_msg): Likewise.
7736 (output_formatted_integer): Likewise.
7737 (output_state): New data type.
7738 (digit_buffer): Make global.
7739 (output_add_integer): Rename to output_decimal. Squeeze
7741 (output_long_decimal, output_unsigned_decimal,
7742 output_long_unsigned_decimal, output_octal, output_long_octal,
7743 output_hexadecimal, output_long_hexadecimal): New functions.
7744 (output_append_r): New function.
7745 (output_append): Tweak.
7746 (output_flush_on): Rename to output_to_stream.
7747 (output_format): Change prototype. Improve documentation. Handle
7748 more format specifiers.
7749 (build_location_prefix): Rename to context_as_prefix.
7750 (output_notice): Rename to output_do_printf.
7751 (output_printf): Tweak.
7752 (line_wrapper_printf): Likewise.
7753 (vline_wrapper_message_with_location): Adjust call to renamed
7755 (v_message_with_decl): Likewise.
7756 (default_print_error_function): Likewise.
7757 (save_output_state): New function.
7758 (restore_output_state): Likewise.
7759 (output_do_verbatim): Likewise.
7760 (output_verbatim): Define.
7761 (verbatim): Likewise.
7763 * diagnostic.h (printer_fn): Change return type from void to int.
7764 Improve documentation.
7765 (output_add_integer): Rename to output_decimal.
7766 (output_flush_on, output_format): Don't export.
7767 (output_verbatim, verbatim): Declare.
7769 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
7771 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
7772 Check whether c divides op1 exactly if operation is not
7775 2000-07-08 Richard Henderson <rth@cygnus.com>
7777 * final.c (final): Do not abort when reg-stack introduces
7780 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
7782 * cpplib.h (struct cpp_name): Now struct cpp_string.
7783 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
7784 CPP_HEADER_NAME): Change to type S.
7785 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
7786 field, a cpp_hashnode *. All references to val.name updated
7787 to use val.str or val.node as appropriate.
7788 (struct cpp_reader): Add spec_nodes field.
7789 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
7791 * cpphash.h (struct spec_nodes): New.
7792 (enum spell_type): Reorder. Only SPELL_STRING tokens use
7793 val.str. All references to 'spelling > SPELL_NONE' updated to
7796 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
7797 pfile->buffer->inc are not NULL before dereferencing them.
7799 * cpplex.c (parse_name): Take a pointer to the current token,
7800 plus current position and limit as args; return the new
7801 position; don't copy the text of a name into the string
7802 buffer, instead call cpp_lookup and store the node pointer.
7803 If extending a token, copy out the text of the old into a
7804 scratch buffer, append the new, look that up and store the new
7805 node pointer. Inline.
7806 (maybe_paste_with_next): If the result of paste is a NAME,
7807 then look up the pasted text and store its node pointer.
7808 (lex_line): Adjust for new parse_name interface.
7809 Check for L"str", L'str' using spec_nodes->n_L.
7810 (spell_token): SPELL_IDENT tokens have their spelling in
7811 val.node->name. Handle SPELL_STRING tokens that don't have
7813 (_cpp_expand_name_space,
7814 (can_paste): Check for L ## "str" using spec_nodes->n_L.
7815 (cpp_get_token, special_symbol): No need to call cpp_lookup.
7816 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
7817 return 1=equal 0=not, not a tristate.
7819 * cpphash.c (var_args_str): Delete.
7820 (find_param): Compare node fields directly.
7821 (is__va_args__): Use CPP_PEDANTIC. Just compare
7822 token->val.node with spec_nodes->n__VA_ARGS__.
7823 (dump_funlike_macro): Don't use var_args_str.
7825 * cpplib.c (_cpp_check_directive): Just walk through
7826 spec_nodes->dirs comparing pointers.
7827 (get_define_node, do_pragma_poison, detect_if_not_defined,
7828 parse_ifdef): The identifier has already been looked up.
7829 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
7831 (do_if): Only call detect_if_not_defined at beginning of file.
7832 (_cpp_parse_assertion): Only copy string pointers for
7833 SPELL_STRING tokens.
7834 (pragma_dispatch): Take a node pointer and examine its name
7836 (_cpp_init_stacks): Also initialize the spec_nodes structure.
7838 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
7840 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
7841 reverse order from the corresponding _cpp_init_* routines.
7843 * cppexp.c (parse_number, parse_charconst, parse_defined,
7844 lex): Check val.node->type instead of calling cpp_defined.
7845 Use spec_nodes entries where appropriate.
7847 * fix-header.c, scan-decls.c: Update for interface changes.
7849 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
7851 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
7852 emitting aux_truncdfsf2.
7854 2000-07-03 Donn Terry (donnte@microsoft.com)
7856 * cppinit.c (print_help): split overlong line into ISO C89
7859 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
7861 * cppexp.c: Update all code for new lexer interface.
7862 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
7863 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
7864 * cpplex.c (token_names): Trim leading CPP_ from names; make
7865 the strings unsigned.
7866 (_cpp_spell_operator): New.
7867 (is_macro_disabled): Disable all macros if rescanning
7869 (_cpp_get_directive_token): Remove.
7871 * cppinit.c: Don't set no_macro_expand.
7872 * cpplib.c (read_line_number, do_line): Check only for EOF,
7874 * cpphash.h: Update prototypes.
7875 * cpplib.h (CPP_VSPACE): Remove.
7876 (struct cpp_reader): Remove no_macro_expand.
7878 2000-07-08 Neil Booth <NeilB@earthling.net>
7880 * cpphash.c (is__va_args__): New function.
7881 (count_params): Fix line reported in error messages. Use
7882 is__va_args__. Don't return ')' on error. Flag GNU style
7883 rest args macro definitions.
7884 (parse_define): Check macro name is not __VA_ARGS__.
7885 (save_expansion): Check identifier in non-varargs-macro is
7886 not __VA_ARGS__. Don't flag GNU_VARARGS.
7887 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
7888 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
7889 than per-token GNU_VARARGS.
7890 * cpplib.h (GNU_VARARGS): Remove.
7891 (GNU_REST_ARGS): New.
7893 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7895 * i386.md (call_pop, call, call_value_pop): Do not set
7896 current_function_uses_pic_offset_table for calls to static
7897 functions or indirect calls.
7899 2000-07-07 Jim Wilson <wilson@cygnus.com>
7901 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
7902 is_predicate_reg, then take max write_count of register pair.
7904 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7906 * tradcpp.c (main): Rename label `include' to `add_include' to
7907 avoid conflicts with variable `include' in traditional C.
7909 2000-07-07 Jakub Jelinek <jakub@redhat.com>
7911 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
7913 2000-07-07 Jakub Jelinek <jakub@redhat.com>
7915 * sibcall.c (uses_addressof): Add INMEM argument, check for
7916 current_function_internal_arg_pointer outside of MEM rtxs in addition
7918 (sequence_uses_addressof): Update caller.
7920 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
7922 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
7925 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7927 * system.h (UNION_INIT_ZERO): New macro for initializing union
7930 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
7932 2000-07-07 Neil Booth <NeilB@earthling.net>
7936 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
7938 * final.c (final): Detect out of bounds array access to
7939 the insn_lengths array.
7941 2000-07-07 Kazu Hirata <kazu@hxi.com>
7943 * fold-const.c (fold): Fix a comment typo.
7945 2000-07-07 Neil Booth <NeilB@earthling.net>
7947 * cpp.texi: Update to new lexer.
7949 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
7951 * tradcpp.c: New file.
7952 * tradcif.y: New file.
7953 * tradcif.c: New generated file.
7955 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
7956 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
7957 dependencies of C. Install tradcpp from install-common, in
7960 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
7962 * cppinit.c: Include cppdefault.h. Refer to
7963 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
7964 to GCC_INCLUDE_DIR and its length.
7965 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
7966 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
7967 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
7969 (include_defaults_array): Move to cppdefault.c.
7971 * cppdefault.h: New file.
7972 * cppdefault.c: New file.
7974 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
7975 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
7976 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
7979 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7981 * reload.c (push_reload): When seeing if can reuse a register,
7982 check extra registers against widest of INMODE and OUTMODE.
7984 2000-07-06 Neil Booth <NeilB@earthling.net>
7986 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
7987 based on full length of predicate.
7989 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
7991 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
7992 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
7994 2000-07-05 Kazu Hirata <kazu@hxi.com>
7996 * h8300-proto.h: Fix formatting.
7997 * h8300.c: Likewise.
7998 * h8300.h: Likewise.
8000 2000-07-05 Jim Wilson <wilson@cygnus.com>
8002 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
8005 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
8007 * invoke.texi: Fix minor typos
8008 * md.texi: Fix minor typos
8010 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
8012 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
8014 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
8016 * cpplex.c: Don't include sys/mman.h.
8017 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
8019 * cpplib.c: Include sys/mman.h and obstack.h.
8020 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
8022 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
8023 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
8024 bother freeing if stack entries (they will be freed with their buffer).
8025 (do_endif): Free if stack entries from the buffer obstack.
8026 (push_conditional): Allocate if stack entries from the buffer obstack.
8028 (find_answer): Rename to _cpp_find_answer.
8029 (do_assert, do_unassert): Update.
8031 * cpphash.h: Update prototypes.
8032 (xobnew): New convenience macro.
8033 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
8035 (struct cpp_hashnode): Remove disabled field.
8037 * cppinit.c: Don't include hashtab.h or splay-tree.h.
8038 (report_missing_guard): Moved to cppfiles.c.
8039 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
8041 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
8042 cpp_cleanup_includes. Don't destroy hashtab or
8043 all_include_files here.
8044 (cpp_finish): Use _cpp_report_missing_guards.
8046 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
8047 (_cpp_init_include_table): Rename _cpp_init_includes.
8048 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
8050 * cppexp.c (parse_assertion): Update for new name of
8053 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
8055 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
8057 * cpplib.c (do_ident): s/VSPACE/EOF/
8059 2000-07-05 Neil Booth <NeilB@earthling.net>
8061 * cpplex.c: Fix trigraph replacement within strings.
8063 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8065 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
8067 * xcoffout.c (assign_type_number): Constify.
8068 (xcoffout_source_file): Add static prototype. Don't needlessly
8069 cast away const-ness.
8071 2000-07-04 Jason Merrill <jason@redhat.com>
8073 * frame.h (frame_state): Move base_offset to end.
8075 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
8077 * calls.c (emit_library_call_value_1): Revert previous change.
8079 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
8081 * fix-header.c (struct partial_proto): Remove unnecessary fields.
8082 (recognized_extern, recognized_function, read_scan_file):
8083 Update for new scheme.
8084 (check_protection): It's still a multiple include guard even
8085 if it doesn't always trigger.
8086 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
8088 * scan.h: Declare struct cpp_token. Update prototypes.
8090 2000-07-03 Neil Booth <neilb@earthling.net>
8091 Zack Weinberg <zack@wolery.cumb.org>
8093 Complete overhaul of the lexer and macro expander.
8095 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
8096 arg, arglist, argdata, reflist, collect_objlike_expansion,
8097 collect_funlike_expansion, collect_params,
8098 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
8099 unsafe_chars, macarg, compare_defs, special_symbol,
8100 scan_arguments, stringify, funlike_macroexpand,
8101 _cpp_quote_string, monthnames): Delete.
8102 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
8103 _cpp_create_definition, _cpp_dump_definition,
8104 dump_hash_helper): Adjust.
8105 (find_param, count_params, parse_define, var_args_str,
8106 check_macro_redefinition, save_expansion): New.
8108 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
8109 parse_string, output_line_command, trigraph_replace,
8110 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
8111 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
8112 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
8113 _cpp_skip_rest_of_line): Modify.
8115 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
8116 find_position, null_warning, bump_column, expand_name_space,
8117 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
8118 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
8119 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
8120 _cpp_prescan): Delete.
8122 (dump_param_spelling, process_directive, lex_next,
8123 is_macro_disabled, stringify_arg, expand_context_stack,
8124 output_token, make_string_token, alloc_number_token,
8125 special_symbol, duplicate_token, maybe_paste_with_next,
8126 can_paste, prevent_macro_expansion, restore_macro_expansion,
8127 get_temp_token, release_temp_tokens, quote_string,
8128 token_names, token_spellings, _cpp_expand_name_space,
8129 _cpp_glue_header_name, _cpp_reserve_name_space,
8130 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
8131 placemarker_token, eof_token, cpp_context, macro_args,
8132 get_raw_token, parse_arg, parse_args, save_token,
8133 push_arg_context, push_macro_context, pop_context,
8134 do_pop_context, free_macro_args, _cpp_get_line,
8135 _cpp_run_directive): New.
8137 * cpplib.c (validate_else, parse_include, push_conditional,
8138 pass_thru_directive, read_line_number, parse_ifdef,
8139 detect_if_not_defined, _cpp_check_directive, do_define,
8140 do_undef, do_include, do_import, do_include_next, do_error,
8141 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
8142 top_pragmas, do_pragma_gcc, do_pragma_implementation,
8143 do_pragma_poison, do_pragma_system_header,
8144 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
8145 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
8146 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
8147 cpp_defined): Update for new scheme.
8148 (strtoul_for_line, get_define_node, dump_macro_name,
8149 _cpp_check_linemarker, _cpp_parse_assertion): New.
8150 (_cpp_handle_directive, do_pragma_default): Delete.
8152 * cpphash.h (struct predicate): Now struct answer.
8153 (enum spell_type, struct token_spelling, struct directive,
8154 directive_handler): New.
8155 Update prototypes. Remove unused macros.
8156 * cpplib.h: Update prototypes. Remove unused macros,
8157 structure definitions, and fields.
8159 * cpperror.c (print_containing_files, v_message): Adjust.
8160 * cppexp.c (parse_assertion, lex, parse_escape,
8161 _cpp_parse_expr): Adjust.
8162 * cppfiles.c (open_include_file, _cpp_execute_include,
8163 _cpp_compare_file_date, cpp_read_file, read_include_file):
8165 * cppinit.c (dump_special_to_buffer): Delete.
8166 (append_include_chain, merge_include_chains, cpp_reader_init,
8167 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
8168 cpp_finish, handle_option, print_help): Adjust.
8169 * cppmain.c (main): Adjust.
8171 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
8173 * cppspec.c (lang_specific_driver): Use double quotes in error
8176 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
8178 * calls.c (emit_library_call_value_1): Use valreg instead
8179 of hard_libcall_value.
8181 2000-07-03 Geoff Keating <geoffk@cygnus.com>
8183 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
8184 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
8185 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
8193 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
8194 mode instead of wider_mode is being used.
8196 2000-07-03 Jakub Jelinek <jakub@redhat.com>
8198 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
8199 of 'r'. Use q_regs_operand.
8200 (andsi_1+2): Use q_regs_operand.
8202 2000-07-03 Jakub Jelinek <jakub@redhat.com>
8204 * builtins.c (get_memory_rtx): Always put into alias set 0.
8206 2000-07-03 Nick Clifton <nickc@cygnus.com>
8208 * config/arm/arm.md: Fix post increment and pre increment
8209 peepholes so that they do not generate UNPREDICATBLE opcodes.
8210 (ie ones where the increment clobbers the source/destination).
8212 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
8214 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
8215 change too big for -mtiny-stack" a warning, if larger than 63.
8216 (out_set_stack_ptr): Change the logic so -mno-interrupts is
8217 always safe to use on possible future devices.
8218 (function_prologue): Write SPH before SPL, for consistency.
8219 If interrupt_func_p true, we know we have enabled interrupts.
8220 (avr_num_arg_regs): New function. Round up to even number of
8221 bytes if no -mpack-args or if calling a libgcc function.
8222 (function_arg, function_arg_advance): Use it.
8223 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
8224 Output "movw" if available.
8225 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
8226 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
8227 (asm_output_section_name): Add blanks for consistent output.
8228 (encode_section_info): Set TREE_READONLY for progmem data to
8229 avoid gas warnings about changed section attributes.
8230 (avr_hard_regno_mode_ok): Force non-QImode data to start in
8231 even numbered registers on devices with "movw".
8232 * config/avr/avr.h (MASK_*): Define bits for target_flags.
8233 (TARGET_SWITCHES): Mark help strings for translation.
8234 Add new -mpack-args and -menhanced switches.
8235 (TARGET_OPTIONS): Mark help strings for translation.
8236 (progmem_section): Add section attributes.
8237 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
8238 Output "movw" if available.
8239 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
8241 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
8242 call convention (arguments aligned on even registers).
8243 (_cleanup, _exit): Make weak symbols libc can override.
8245 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8247 * fp-bit.h: New file.
8249 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
8250 Comment #endif statements.
8251 (__thenan_sf, __thenan_df): Add missing braces around initializer.
8253 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
8255 * gcse.c (compute_pre_data): Compute ae_kill using other local
8256 properties instead of calling compute_ae_kill.
8258 * alias.c (init_alias_analysis): Do not call
8259 prologue_epilogue_contains until after reload has completed.
8261 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
8263 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
8264 (genrtl_finish_compound_stmt): Likewise.
8265 (genrtl_compound_stmt): Change to return void.
8267 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
8268 move code from here to ...
8269 (genrtl_compound_stmt): ... here.
8270 (genrtl_finish_compound_stmt): Remove.
8271 (expand_stmt): Add comment.
8273 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
8275 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
8278 2000-07-02 Jakub Jelinek <jakub@redhat.com>
8280 * cpplib.h (struct cpp_reader): New field include_depth.
8281 (struct cpp_printer): Rename last_bsd to last_id.
8282 * cppfiles.c (read_include_file): Bump include_depth.
8283 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
8284 (output_line_command): Output correct #line if a header
8285 is including itself and is not protected against multiple inclusion.
8286 Use include_depth instead of buffer_stack_depth, last_id instead of
8288 * cppinit.c (cpp_start_read): Initialize last_id instead of
8291 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
8293 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
8294 (c-semantics.o): New target.
8296 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
8297 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
8298 (genrtl_clear_out_block): Likewise.
8299 (genrtl_goto_stmt): Likewise.
8300 (genrtl_expr_stmt): Likewise.
8301 (genrtl_decl_stmt): Likewise.
8302 (genrtl_if_stmt): Likewise.
8303 (genrtl_while_stmt): Likewise.
8304 (genrtl_do_stmt): Likewise.
8305 (genrtl_return_stmt): Likewise.
8306 (genrtl_for_stmt): Likewise.
8307 (genrtl_break_stmt): Likewise.
8308 (genrtl_continue_stmt): Likewise.
8309 (genrtl_scope_stmt): Likewise.
8310 (genrtl_switch_stmt): Likewise.
8311 (genrtl_case_label): Likewise.
8312 (genrtl_begin_compound_stmt): Likewise.
8313 (gerntl_finish_compound_stmt): Likewise.
8314 (genrtl_compound_stmt): Likewise.
8315 (genrtl_asm_stmt): Likewise.
8316 (genrtl_decl_cleanup): Likewise.
8317 (DECL_ANON_UNION_ELEMS): Likewise.
8318 (emit_local_var): Likewise.
8319 (make_rtl_for_local_static): Likewise.
8320 (expand_cond): Likewise.
8321 (expand_stmt): Likewise.
8322 (c_expand_return): Likewise.
8323 (c_expand_start_case): Likewise.
8324 (do_case): Likewise.
8325 (COMPOUND_STMT_NO_SCOPE): Likewise.
8326 (c_expand_asm_operands): Likewise.
8327 (NEW_FOR_SCOPE_P): New macro.
8328 (expand_expr_stmt_fn): New type.
8330 (set_current_function_name_declared): Likewise.
8331 (current_function_name_declared): Likewise.
8332 (lang_expand_stmt): Likewise.
8333 (stmts_are_full_exprs_p): Likewise.
8334 (anon_aggr_type_p): Likewise.
8335 (lang_expand_expr_stmt): Likewise.
8336 (build_case_label): Likewise.
8338 * c-decl.c (lang_expand_expr_stmt): Initialize.
8339 (stmts_are_full_exprs_p): Define.
8340 (current_function_name_declared): Likewise.
8341 (do_case): Likewise.
8342 (lang_expand_stmt): Likewise.
8343 (set_current_function_name_declared): Likewise.
8344 (anon_aggr_type_p): Likewise.
8346 * c-semantics.c: New file.
8347 (expand_cond): Moved from cp/semantics.c.
8348 (genrtl_do_pushlevel): Likewise.
8349 (genrtl_clear_out_block): Likewise.
8350 (genrtl_goto_stmt): Likewise.
8351 (genrtl_expr_stmt): Likewise.
8352 (genrtl_decl_stmt): Likewise.
8353 (genrtl_if_stmt): Likewise.
8354 (genrtl_while_stmt): Likewise.
8355 (genrtl_do_stmt): Likewise.
8356 (genrtl_return_stmt): Likewise.
8357 (genrtl_for_stmt): Likewise.
8358 (genrtl_break_stmt): Likewise.
8359 (genrtl_continue_stmt): Likewise.
8360 (genrtl_scope_stmt): Likewise.
8361 (genrtl_switch_stmt): Likewise.
8362 (genrtl_case_label): Likewise.
8363 (genrtl_begin_compound_stmt): Likewise.
8364 (genrtl_finish_compound_stmt): Likewise.
8365 (genrtl_compound_stmt): Likewise.
8366 (genrtl_asm_stmt): Likewise.
8367 (genrtl_decl_cleanup): Likewise.
8368 (make_rtl_for_local_static): Moved from cp/decl.c.
8369 (emit_local_var): Likewise.
8370 (expand_stmt): Define.
8372 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
8373 (c_expand_return): Likewise.
8374 (c_expand_start_case): Likewise.
8376 2000-07-01 Richard Henderson <rth@cygnus.com>
8378 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
8379 with the low 13 bits set.
8380 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
8381 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
8382 of the low 13 bits into a CONST plus an adddi3.
8383 (load_symptr): Set RTX_UNCHANGING_P.
8385 See ChangeLog.3 for earlier changes.