1 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
4 from PSImode to SImode.
6 2000-10-05 Jakub Jelinek <jakub@redhat.com>
8 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
9 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
10 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
13 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
16 negation in proper type.a
18 2000-10-04 Richard Henderson <rth@cygnus.com>
20 * configure.in (enable-shared): New.
21 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
22 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
23 * mklibgcc.in: Use them to link shared a libgcc.
24 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
25 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
26 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
27 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
29 * configure.in (alpha-osf*): Use t-osf and x-osf.
30 * config/alpha/t-osf: New file.
31 * config/alpha/t-osf4: New file.
32 * config/alpha/x-osf: New file.
33 * config/alpha/x-alpha: Remove file.
35 2000-10-04 Will Cohen <wcohen@redhat.com>
37 * c-typeck.c (process_init_element): Added warning for zero-length
40 * extend.texi (Zero Length): State that static initializers for
41 zero-length arrays are not allowed.
43 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
45 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
48 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
50 * config/float-c4x.h: New.
51 * configure.in (c4x-*): Set float_format to c4x.
52 * configure: Regenerate.
54 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
56 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
57 compilation for solaris versions 2.7 and greater.
59 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
61 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
63 2000-10-01 Mark Mitchell <mark@codesourcery.com>
65 * config/ns32k/genix.h: Remove.
66 * config/ns32k/x-genix: Likewise.
67 * config/ns32k/xm-genix.h: Likewise.
68 * config/fx80: Remove all filee in directory.
69 * config/pyr: Likewise.
70 * config/tahoe: Likewise.
71 * config/gmicro: Likewise.
72 * config/spur: Likewise.
73 * configure.in: Remove configury bits for above targets.
74 * configure: Regenerated.
76 * configure.in: Don't configure chill by default.
77 * configure: Regenerated.
79 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
80 (lang_mark_false_label_stack): Remove.
81 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
82 <top level> string in GC area.
83 (mark_splay_tree_node): New function.
84 (mark_splay_tree): Likewise.
85 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
87 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
88 * ggc-common.c (lang_mark_false_label_stack): Change type.
89 * ggc.h (ggc_alloc_string): Add comment.
90 (ggc_strdup): New function.
92 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
94 * config/avr/avr.h (BRANCH_COST): Define as 0.
96 * config/pdp11/pdp11.c: #include "tree.h" added.
98 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
100 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
101 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
102 with known shift count.
103 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
104 New alternative for shift count 2 with no scratch register.
105 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
106 "set_n" for shift counts 1 and 2.
108 2000-09-30 Geoff Keating <geoffk@cygnus.com>
110 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
111 the mask value from the individual SET operations.
112 (return_internal_si): Move the USE after the RETURN.
113 (return_internal_di): Likewise.
114 (return_and_restore_fpregs_si): Likewise.
115 (return_and_restore_fpregs_di): Likewise.
116 (return_eh_si): Likewise.
117 (return_eh_di): Likewise.
118 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
120 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
121 Don't generate a PARALLEL around a single operation movsi_to_cr.
122 Generate the RETURN first in any PARALLELs.
124 * rtlanal.c (single_set_1): Use fatal_insn to display the
125 invalid insn. Check for more cases when a USE or CLOBBER occurs
127 * Makefile.in: Update dependencies for rtlanal.o.
129 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
131 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
133 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
135 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
136 Consistently use @email for formatting email addresses.
138 2000-09-29 Richard Henderson <rth@cygnus.com>
140 * cse.c (notreg_cost): New argument outer.
141 (COST): Pass in SET to notreg_cost
143 (fold_rtx): Use COST_IN. Prefer constants when costs
146 2000-09-29 David Edelsohn <edelsohn@gnu.org>
148 * fixinc/inclhack.def (broken_cabs): Generalize regex.
149 * fixinc/fixincl.x: Regenerate.
151 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
153 * loop.c (check_final_value): A GIV is not replaceable if used
156 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
158 * version.c: Bump to gcc-2.97.
160 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
162 * final.c (final_scan_insn): Remove extra extract_insn call;
163 Use caching for constrain_operands.
164 (cleanup_subreg_operands): Use caching for extract_insn.
165 * recog.c (constrain_operands_cached): New.
166 * recog.h (constrain_operands_cached): Declare.
167 * i386.c (ix86_attr_length_immediate_default,
168 ix86_attr_length_address_default, ix86_agi_dependant): Cache
171 * recog.c (asm_noperands): Tweak.
172 (extract_insn): Do not call asm_noperads for non-asm instructions.
174 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
176 * recog.c (recog_memoized): Rename to recog_memoized_1.
177 * recog.h (recog_memoized): Rename to recog_memoized_1.
178 (recog_memoized): New macro.
179 * rtl.h (single_set): Rename to single_set_1
180 (single_set): New macro.
181 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
184 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
185 Do not use match_dup of input operands at outputs.
186 Use register_operand for memory expression.
187 (rep_movsi): Put use last, canonicalize.
188 Use register_operand for memory expression.
189 (rep_movqi): Put use last.
190 Use register_operand for memory expression.
191 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
192 of input operands at outputs. Use register_operand for memory
194 (rep_stossi): Put use last; canonicalize; fix match_dup in
195 the address expression
196 (rep_stosqi): Likewise.
197 (memcmp expander): Update calls.
198 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
201 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
203 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
205 2000-09-28 David O'Brien <obrien@FreeBSD.org>
207 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
208 Contains the old contents of config/i386/freebsd.h
209 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
210 Contains the old contents of config/i386/freebsd-elf.h
211 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
212 config/i386/freebsd.h.
213 * configure.in: Adjust for above changes.
214 * po/POTFILES.in: Likewise.
215 * po/en_GB.po: Likewise.
216 * po/gcc.pot: Likewise.
217 * configure: Rebuilt.
219 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
221 * doloop.c (doloop_modify): Prevent delete_insn() from
222 deleting too much. Prefer loop->top over loop->start as
223 target for the new JUMP insn.
224 (doloop_valid_p): Ignore loop with exit_count != 0.
226 2000-09-28 Philipp Thomas <pthomas@suse.de>
228 * invoke.texi (i386 Options): Add athlon to table of possible
231 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
233 * diagnostic.h (output_clear_message_text): New function.
234 (output_message_text): New macro.
236 * diagnostic.c (clear_text_info): Rename to
237 output_clear_message_text.
238 (output_clear): Adjust.
239 (output_finish): Rename to output_finalize_message. Tweek.
240 (output_to_stream): Adjust.
242 2000-09-28 Neil Booth <neilb@earthling.net>
244 * cpperror.c (_cpp_begin_message): Do the test for suppression
245 of warnings and pedantic warnings before the "is a warning an
247 * cppinit.c (cpp_handle_option): Remove surplus \n.
248 * cpplex.c (ON_REST_ARG): Delete.
249 (skip_block_comment): Initialise prevc.
250 (parse_args): Improve error messages.
251 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
253 * cpplib.c (cpp_push_buffer): Fix grammar in message.
254 * cppmain.c (main): Set callbacks for #ident and #pragma
255 only if no_output option is false.
256 (do_pragma_implementation): Only call the #pragma handler
257 if it is set in the cpp_reader structure.
259 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
261 * integrate.c (copy_insn_list): if an ignored return value
262 is being clobbered, skip cloning that into the inline copy.
264 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
266 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
267 use @uref for formatting URLs.
269 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
271 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
274 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
276 * gcc.c (cpp_options): Add spec for -ftabstop=.
277 (invoke_as): New spec that handles invoking as.
278 Update specs to handle -save-temps and -traditional.
279 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
281 * cp/lang-specs.h, objc/lang-specs.h: Update to use
282 invoke_as, and handle -save-temps and -traditional (if
285 2000-09-26 Jakub Jelinek <jakub@redhat.com>
287 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
289 (function_arg_slotno): Accept TImode/CTImode.
290 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
293 2000-09-26 Michael Hayes <mhayes@cygnus.com>
295 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
298 2000-09-25 Jim Wilson <wilson@cygnus.com>
300 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
301 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
302 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
303 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
305 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
307 * cpplex.c (parse_args): Don't set VOID_REST flag.
308 (CONTEXT_VARARGS): New flag.
309 (maybe_paste_with_next): Set context earlier in loop. Use
310 it. Do varargs test with CONTEXT_VARARGS flag.
311 (push_arg_context): Set CONTEXT_VARARGS flag if we're
312 pushing an argument context for a varargs argument.
313 * cpplib.h (VOID_REST): Delete.
314 * gcc.dg/cpp/vararg1.c: Add test case.
316 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
318 * flags.h: Declare warning flag warn_system_headers.
319 * toplev.c: Define it.
320 (W_options): Add option -Wsystem-headers.
321 * diagnostic.c (count_error): Test warn_system_headers.
322 * invoke.texi: Add description for -Wsystem-headers.
323 * cpplib.h (cpp_options): New member warn_system_headers.
324 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
325 CPP_IN_SYSTEM_HEADER.
326 * cpplib.c (do_import, do_pragma_once): Likewise.
327 * cpperror.c (_cpp_begin_message): Test warn_system_headers
328 and CPP_IN_SYSTEM_HEADER.
329 * cppinit.c (handle_option): Recognize -Wsystem_headers.
330 (print_help): Describe -Wsystem_headers.
331 * cpplex.c (lex_line): Reorganize condition so that warnings
332 about C++ comments in system headers can be enabled. Remove
333 label do_line_comment.
335 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
337 * cpplex.c (save_comment): Only store the initial '/'
339 (lex_token): Combine handling of the two comment types.
340 Pass everything but the initial '/' to save_comment.
342 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
344 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
345 _cpp_can_paste): New library-internal prototypes.
346 * cpplex.c (dump_param_spelling, output_line_command,
347 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
348 cpp_printf, cpp_output_list): Move to cppoutput.c.
349 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
350 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
352 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
353 dump_param_spelling, output_line_command, cpp_scan_buffer,
354 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
356 * Makefile.in: Add cppoutput.c.
357 * po/POTFILES.in: Add cppoutput.c.
359 2000-09-25 Richard Henderson <rth@cygnus.com>
361 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
362 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
363 split until after reload.
364 (rotlsi3, rotldi3): New.
366 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
368 * diagnostic.c (output_last_position): Define.
369 (set_real_maximum_length): Tweek.
370 * diagnostic.h (output_last_position): Declare.
372 2000-09-25 Kazu Hirata <kazu@hxi.com>
374 * config/i386/i386.c: Fix formatting.
376 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
378 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
379 UNITS_PER_WORD is small.
381 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
383 * c-common.c (format_char_info): Add flags2; update comments.
384 (print_char_table, scan_char_table, time_char_table): Split some
385 flags out into flags2.
386 (check_format_info): Use flags2 for those flags, for identifying
387 the initial character of a scanf scanset, and for identifying
388 printf formats where the '0' flag is ignored with precision.
390 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
392 Changes below marked "here" add TABs on either or both sides,
393 covering start of line, up to any operand for all noted .*ASM.*_OP
394 definitions. All callers changed.
395 * tm.texi: Make documented *_ASM.*_OP:s include spacing
396 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
397 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
398 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
399 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
400 Fix typos in description for LONG_LONG_TYPE_SIZE and
402 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
403 why these defaults don't have leading spacing.
404 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
405 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
406 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
407 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
408 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
409 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
410 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
411 * varasm.c (ASM_STABS_OP): Here.
412 * xcoffout.h (ASM_STABS_OP): Here.
413 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
414 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
415 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
416 STRING_ASM_OP): Here.
417 * config/freebsd.h (IDENT_ASM_OP): Here.
418 * config/linux-aout.h (SET_ASM_OP): Here.
419 * config/linux.h (SET_ASM_OP): Here.
420 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
422 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
423 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
424 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
425 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
427 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
428 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
429 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
430 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
431 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
432 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
433 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
434 * config/a29k/udi.h (INT_ASM_OP): Here.
435 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
436 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
438 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
439 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
440 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
441 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
443 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
444 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
445 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
446 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
447 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
448 SIZE_ASM_OP, STRING_ASM_OP): Here.
449 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
450 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
451 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
452 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
453 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
454 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
456 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
457 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
458 * config/arm/coff.h (INT_ASM_OP): Here.
459 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
460 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
461 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
462 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
463 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
464 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
465 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
466 STRING_ASM_OP): Here. Update documentation copy in comments.
467 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
468 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
469 DATA_SECTION_ASM_OP): Here.
470 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
472 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
473 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
474 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
475 BSS_SECTION_ASM_OP): Here.
476 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
477 BSS_SECTION_ASM_OP): Here.
478 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
480 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
481 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
482 * config/h8300/h8300.h (ASM_WORD_OP): Here.
483 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
484 BSS_SECTION_ASM_OP): Here.
485 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
486 * config/i386/bsd.h (ASM_BYTE_OP): Here.
487 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
488 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
489 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
491 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
492 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
494 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
495 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
496 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
497 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
499 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
500 * config/i386/netbsd.h (INT_ASM_OP): Here.
501 * config/i386/openbsd.h (INT_ASM_OP): Here.
502 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
504 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
505 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
506 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
507 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
508 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
509 SHARED_BSS_SECTION_ASM_OP): Here.
510 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
511 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
512 DATA_SECTION_ASM_OP): Here.
513 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
514 CONST_SECTION_ASM_OP): Here.
515 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
516 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
517 BSS_SECTION_ASM_OP): Here.
518 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
519 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
520 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
521 BSS_ASM_OP): Here, but use trailing spaces.
522 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
523 DATA_SECTION_ASM_OP): Here.
524 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
526 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
527 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
528 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
529 TDESC_SECTION_ASM_OP): Here.
530 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
531 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
532 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
534 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
535 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
536 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
537 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
538 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
539 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
540 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
541 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
542 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
543 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
544 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
545 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
547 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
548 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
549 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
550 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
551 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
552 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
553 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
554 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
555 GLOBAL_ASM_OP): Here.
556 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
557 BSS_SECTION_ASM_OP): Here.
558 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
559 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
560 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
561 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
563 * config/m68k/newsgas.h (SET_ASM_OP): Here.
564 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
565 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
566 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
567 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
568 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
569 but use trailing spaces.
570 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
571 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
572 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
574 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
575 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
576 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
577 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
578 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
579 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
580 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
581 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
582 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
583 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
584 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
585 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
587 * config/m88k/openbsd.h (SET_ASM_OP): Here.
588 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
589 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
590 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
591 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
592 DTORS_SECTION_ASM_OP): Here.
593 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
594 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
595 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
596 BSS_SECTION_ASM_OP): Here.
597 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
598 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
599 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
600 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
601 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
602 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
603 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
604 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
606 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
608 * config/mips/osfrose.h (SET_ASM_OP): Here.
609 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
610 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
611 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
612 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
614 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
615 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
616 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
617 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
618 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
619 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
621 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
623 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
624 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
625 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
627 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
628 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
629 * config/sparc/linux.h (COMMON_ASM_OP): Here.
630 * config/sparc/linux64.h (COMMON_ASM_OP,
631 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
632 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
633 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
634 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
635 * config/sparc/pbd.h (ASM_INT_OP): Here.
636 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
637 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
638 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
639 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
640 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
641 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
642 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
643 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
644 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
645 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
646 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
647 EH_FRAME_SECTION_ASM_OP): Here.
648 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
649 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
651 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
653 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
654 TCOMMON_ASM_OP): Here.
655 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
657 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
660 2000-09-25 Richard Henderson <rth@cygnus.com>
662 * expmed.c (store_bit_field): Adjust last change to not consider
663 any word-sized field naturally aligned.
665 2000-09-24 Richard Henderson <rth@cygnus.com>
667 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
668 TFmode unordered compares properly. Revalidate integer compare
670 (alpha_emit_setcc): New.
671 (alpha_emit_conditional_move): Revalidate integer compare operands.
672 * config/alpha/alpha-protos.h: Update.
673 * config/alpha/alpha.md (cmpdi): Allow general operands.
674 (sne): Use alpha_emit_setcc.
675 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
676 (sunordered, sordered): New.
678 2000-09-24 Richard Henderson <rth@cygnus.com>
680 * config/ia64/ia64-protos.h: Update.
681 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
682 (ia64_expand_call): New.
683 (ia64_expand_prologue): Emit an alloc if we need extra input
685 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
687 (struct reg_flags): Add is_sibcall.
688 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
689 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
690 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
691 * config/ia64/ia64.h (PREDICATE_CODES): Update.
692 * config/ia64/ia64.md (call): Use ia64_expand_call.
693 (call_value): Likewise.
694 (sibcall, sibcall_value): New.
695 (call patterns): Remove extra expanders; tidy.
696 (sibcall_epilogue): New.
697 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
699 2000-09-24 Richard Henderson <rth@cygnus.com>
701 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
703 * sibcall.c (skip_pic_restore): New.
704 (identify_call_return_value): Use it.
706 2000-09-24 Mark Mitchell <mark@codesourcery.com>
708 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
709 functions. Generalize to handle both C and C++.
710 * Makefile.in (c-tree.info): New target.
711 (info): Add c-tree.info.
713 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
715 * expr.c (store_field): If BITSIZE is negative, use size of type.
716 (expand_expr, case COMPONENT_EXPR): Likewise.
718 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
720 * cpplex.c: Update TODO comment.
721 * cpplib.c (do_error, do_warning): Merge common code of
722 do_error and do_warning into do_diagnostic. Use it.
723 (do_diagnostic): New function.
724 * cpplib.h: Fix comment typo.
726 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
728 * c-common.c (check_format_info): Warn for a wide character string
729 used as a non-wide format argument.
731 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
733 * builtins.def (BUILT_IN_LLABS): Add.
734 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
735 * c-common.c (c_common_nodes_builtins): Create builtin functions
736 __builtin_llabs, and plain llabs unless no_nonansi_builtins
738 (expand_tree_builtin): Handle BUILT_IN_LLABS.
740 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
742 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
743 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
744 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
745 _cpp_free_toklist): No need to worry about extra dummy token
746 at the start of token lists any more.
747 (trigraph_ok): Only warn outside comments.
748 (skip_block_comment): Set and clear lexing_comment.
749 (skip_line_comment): Take a cpp_reader not cpp_buffer.
750 Set and clear lexing_comment.
751 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
752 (check_long_token): Delete.
753 (lex_percent, lex_dot): New subroutines of lex_token to
754 handle lexing of '.' and '%' without lookback.
755 (lex_token): Use lex_dot and lex_percent.
756 (lex_line): Don't check for LIST_OFFSET.
757 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
758 * cpplib.c (_cpp_parse_assertion): Similarly.
759 (cpp_push_buffer): Initialize extra_char.
760 * cpplib.h (LIST_OFFSET): Delete.
761 (struct cpp_buffer): New member extra_char.
762 (struct lexer_state): New members lexing_comment and seen_dot.
764 2000-09-23 Jason Merrill <jason@redhat.com>
766 * config/rs6000/x-aix41 (CLIB): Define here.
767 * config/rs6000/t-aix43: Not here.
768 * config/rs6000/t-aix41: Or here. Remove.
769 * configure.in: Don't use it.
771 2000-09-22 Jason Merrill <jason@redhat.com>
773 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
774 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
775 * config.in: Regenerate.
777 * configure.in: Fix checks for assembler features when using a
778 one-tree assembler that has not yet been built.
779 Fix --disable-threads.
781 2000-09-19 Geoff Keating <geoffk@cygnus.com>
783 * stmt.c (expand_asm_operands): Allow # in constraints.
785 2000-09-22 Jason Merrill <jason@redhat.com>
787 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
789 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
790 function-local names.
792 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
793 Mark Mitchell <mark@codesourcery.com>
795 * toplev.c (warn_disabled_optimization): Declare new warning flag.
796 * flags.h (warn_disabled_optimization): Add it here.
797 * gcse.c (gcse_main): Add warning when disabled.
798 * invoke.texi: Document -Wdisabled-optimization.
800 2000-09-21 Jason Merrill <jason@redhat.com>
802 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
804 * dwarf2out.c (tree_add_const_value_attribute): New fn.
805 (gen_variable_die): Call it for non-definitions.
807 * dwarf2out.c (die_struct): Add die_mark field.
808 (mark_dies, unmark_dies): New fns.
809 (clear_die_sizes): Remove.
810 (print_die): Check die_symbol rather than die_offset.
811 (build_abbrev_table, output_pubnames, output_aranges): Check
812 die_mark rather than die_offset.
813 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
816 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
818 * cppfiles.c (lookup_include_file): Rename to open_file.
819 Always create a splay tree value, even on syscall failures.
820 Negative entries indicated by fd == -2.
821 Re-open files closed in the meantime.
822 (_cpp_fake_include): Create a negative splay tree entry.
823 (find_include_file, cpp_read_file): Update for function name
825 * gcc.gd/cpp/mi4.c: Testcase.
827 2000-09-21 Nick Clifton <nickc@redhat.com>
829 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
832 * config/mcore/mcore.c: Fix compile time warnings.
833 * config/mcore/mcore-protos.h: Fix compile time warnings.
835 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
837 * configure.in: Correct test of gcc_cv_glibc.
838 * configure: Rebuilt.
839 * config.in: Rebuilt.
841 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
843 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
844 (expand_builtin): Handle BUILT_IN_FWRITE.
846 * builtins.def (BUILT_IN_FWRITE): New entry.
848 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
850 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
852 * gcc.c (modify_target): New variable and struct.
853 (process_command): Handle MODIFY_TARGET_NAME.
854 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
855 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
857 * c-decl.c (finish_decl): Add else's to avoid referencing
858 TYPE_DOMAIN of an ERROR_MARK.
860 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
862 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
865 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
867 * config/avr/avr.md (neghi2): Add alternative for input and output
868 operands in different registers, as in negsi2.
869 (*negsi2): Remove '*' from the name. Use "movw" if available.
871 2000-09-19 Jim Wilson <wilson@cygnus.com>
873 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
874 HAVE_GAS_HIDDEN macro.
876 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
878 * cpplex.c (lex_line): Drop the EOF token for unknown
879 directives in assembler.
881 2000-09-19 David Edelsohn <edelsohn@gnu.org>
883 * configure.in: Allow enable_threads_flag value of "aix". Define
884 thread_file as "aix" for AIX 4.3 and above.
885 * configure: Regenerated.
887 * gthr-aix.h: New file.
889 * rs6000/t-aix43: Replace soft-float multilib with pthread.
890 Remove 403 processor multilib match. Fix rios2 processor multilib
893 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
894 to return to appropriate csect.
896 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
898 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
900 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
901 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
904 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
907 * c-common.c (init_function_format_info): Handle __builtin_printf.
908 Set `check_function_format_ptr'.
909 (c_common_nodes_and_builtins): Set `puts_ftype' and
910 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
911 __builtin_printf and printf.
913 * tree.c, tree.h (check_function_format_ptr): Declare.
915 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
917 * cppfiles.c (read_include_file): Take no special action for
920 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
922 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
923 rather than that of branch.
924 (shorten_branches): Don't increment insn_current_address twice.
926 Undo most of the Wed Jan 27 23:39:53 1999 patch:
927 * loop.h (struct induction): Delete members derived, ix and last_use.
928 (struct loop_ivs): Delete members first_increment_giv and
930 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
931 recombine_givs): Delete functions.
932 (find_and_verify_loops): Don't initialize cont_dominator.
933 (strength_reduce): Lose code to try to find bivs that can be
934 expressed as givs of another biv, and to convert biv increments
936 Lose loop_scan_start variable, always use loop->scan_start.
937 Don't call recombine_givs. Don't handle derived givs.
938 (record_giv): Don't initialize derived and last_use fields.
939 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
941 * unroll.c (derived_regs): Delete static variable.
942 (unroll_loop): Don't initialize it.
943 (copy_loop_body): Lose code to handle derived givs.
944 (find_splittable_givs): Don't check for givs made from biv
946 Don't set derived_regs.
948 Fix misapplied earlier patch:
949 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
951 (floatsisf2): Generate floatsisf_ie by default.
952 (floatsisf_i4): Conditional on TARGET_SH4.
954 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
955 predicate for the expanders.
957 2000-09-19 Richard Henderson <rth@cygnus.com>
959 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
960 in addition to pentium and pentiumpro symbols.
961 (CPP_CPU_DEFAULT_SPEC): Likewise.
963 * c-typeck.c (c_expand_asm_operands): Restore the output tree
966 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
967 if the tree has side effects.
968 (warn_if_unused_value): Do not warn about void constructs.
970 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
972 * unroll.c (copy_loop_body): Update LABEL_NUSES before
975 2000-09-18 Geoff Keating <geoffk@cygnus.com>
977 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
980 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
982 * Makefile.in (c-common.o): Depend on diagnostic.h.
984 * c-common.c: Include diagnostic.h.
986 (status_warning): New function.
987 (check_format_info, maybe_read_dollar_number, check_format_types,
988 finish_dollar_format_checking, check_function_format): Accept a
989 `status' parameter. All callers changed.
991 * c-common.h (check_function_format): Accept a `status' parameter.
993 * c-typeck.c: Update call to `check_function_format'.
995 2000-09-18 Richard Henderson <rth@cygnus.com>
997 * c-decl.c (c_expand_body): Call mark_varargs before
998 expand_function_start.
1000 2000-09-18 Geoff Keating <geoffk@cygnus.com>
1002 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
1003 * config/rs6000/eabi-ci.asm: Likewise.
1005 2000-09-18 Richard Henderson <rth@cygnus.com>
1007 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
1010 2000-09-18 Jim Wilson <wilson@cygnus.com>
1012 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
1013 before passing it to fold_rtx_mult_add.
1015 * unroll.c (final_giv_value): Pass increment through
1016 extend_value_for_giv before passing it to emit_iv_add_mult.
1018 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
1019 paradoxical subreg, then directly substitute the replacement and
1022 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
1024 * cpp.texi: Update documentation, including some clarifications,
1025 the treatment of various newline combinations, and space between
1026 backslash and newline.
1028 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1030 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
1031 Replace ASM_OUTPUT_LABELREF with assemble_name.
1033 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1035 * sh.c (addsubcosts): CONST is not cheap.
1036 (find_barrier): For Sh1, take alignment after jumps into account.
1038 2000-09-15 Andrew Haley <aph@redhat.com>
1040 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
1041 remove all SETs of SUBREGs of hard registers.
1042 * function.c (purge_hard_subreg_sets): New function.
1043 (purge_single_hard_subreg_set): New function.
1044 * rtl.h: (purge_hard_subreg_sets): New function.
1046 2000-09-18 Richard Henderson <rth@cygnus.com>
1048 * config/ia64/ia64-protos.h: Update.
1049 * config/ia64/ia64.c (signed_inequality_operator): New.
1050 (ia64_expand_compare): New.
1051 (ia64_register_move_cost): Handle PR_REGS moves.
1052 (ia64_secondary_reload_class): Require a GR when moving to a PR.
1053 (struct reg_write_state): Add written_by_and/or.
1054 (struct reg_flags): Add is_and/or.
1055 (rws_update): Set them.
1056 (rws_access_regno): Test them to allow parallel comparisons.
1057 (rtx_needs_barrier): Recognize parallel comparisons.
1058 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
1059 Call recog_memoized; ignore pred_rel_mutex.
1060 (emit_predicate_relation_info): Don't call find_basic_blocks here.
1061 (ia64_reorg): Do it here instead.
1062 * config/ia64/ia64.h: s/CCmode/BImode/g
1063 (MODES_TIEABLE_P): Don't tie BImode.
1064 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
1065 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
1066 (RTX_COSTS): Make multiply 4 insns.
1067 (MEMORY_MOVE_COST): New.
1068 (PREDICATE_CODES): Update.
1069 * config/ia64/ia64.md: s/CCmode/BImode/g
1070 (movcci, movbi): New.
1071 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
1072 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
1073 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
1074 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
1075 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
1076 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
1077 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
1078 (mulsi, muldi): Use xmpy not xma.
1080 (movcc, movcc_internal): Remove.
1081 (branch expanders): Use ia64_expand_compare.
1082 (setcc expanders): Likewise.
1083 (cmov insns): Use move_operand and ia64_move_ok.
1084 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
1085 scheduler from moving it past a use.
1086 * config/ia64/build.hacks: Remove.
1088 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
1090 * cpphash.h (HASHSTEP): Take character rather than pointer
1092 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
1094 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
1096 * cpplex.c (auto_expand_name_space, trigraph_replace,
1097 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
1098 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
1099 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
1100 KNOWN_DIRECTIVE): Delete.
1102 (handle_newline, check_long_token, skip_escaped_newlines,
1103 unterminated): New functions.
1104 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
1106 (parse_identifier): Was parse_name, new implementation.
1107 (skip_line_comment, skip_block_comment, skip_whitespace,
1108 parse_number, parse_string, trigraph_ok, save_comment,
1109 adjust_column, _cpp_get_line): New implementations.
1111 (lex_token): New function. Lexes a token at a time, looking
1112 forwards. Contains most of the guts of the old lex_line.
1113 (lex_line): New implementation, using lex_token to obtain
1115 (cpp_scan_buffer): Use the token's line, not the list's line.
1117 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
1118 New implementations.
1119 (do_assert): Don't bother setting the answer's list's line.
1120 (cpp_push_buffer): Initialise new pfile and read_ahead members
1121 of struct cpp_buffer.
1123 * cpplib.h (cppchar_t): New typedef.
1124 (struct cpp_buffer): read_ahead, pfile and col_adjust are
1126 (struct lexer_state): New structure that determines the state
1127 and behaviour of the lexer.
1128 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
1129 (struct cpp_reader): New member "state". Rename
1130 multiline_string_line and multiline_string_column. Delete
1131 col_adjust, in_lex_line members.
1132 (CPP_BUF_COLUMN): Update.
1134 2000-09-18 Richard Henderson <rth@cygnus.com>
1136 * combine.c (simplify_comparison): Shift a NOT out of a single
1139 * combine.c (if_then_else_cond): Canonicalize BImode true to
1141 * explow.c (trunc_int_for_mode): Likewise.
1143 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
1144 the NOT for De Morgan's rule.
1145 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
1146 of a comparison to the reverse comparison.
1148 * combine.c (try_combine): Allow split to create a single insn.
1150 * machmode.def: Add BImode. Add a column for bitsize.
1151 * machmode.h (DEF_MACHMODE): Adjust for extra column.
1152 (GET_MODE_BITSIZE): Use it.
1153 * rtl.c (DEF_MACHMODE): Adjust for extra column.
1154 (mode_bitsize): New.
1155 (mode_mask_array): Use bitsize.
1156 * combine.c (combine_simplify_rtx): Require inner and outer
1157 modes to match on nonzero_bits optimizations.
1159 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
1161 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
1162 its entry in spill_reg_store.
1163 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
1164 * sh.c (reg_no_subreg_operand): New function.
1165 * sh-protos.h (reg_no_subreg_operand): Declare it.
1166 * sh.h (PREDICATE_CODES): Add it.
1167 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
1168 input operand that needs to be in fpul.
1169 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
1170 * sh.c (find_barrier): Take into account that machine_dependent_reorg
1171 might add new insns.
1173 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
1175 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
1177 (sh_expand_epilogue): Take the PIC register into account when
1178 computing the frame size.
1180 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
1181 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
1182 LABEL_REFs with a PIC-safe unspec.
1184 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1186 * c-common.c (check_format_info): Properly save the argument
1187 number and parameter for $ operand number formats in case width
1188 and precision arguments are also used. Allow printf width and
1189 precision arguments to have operand numbers even if none was
1190 specified for the main format, since this is OK for %*.*m. Only
1191 object to missing $ operand number if the format used requires an
1194 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1196 * c-common.c (format_char_info): Add 'W' flag to comment.
1197 (print_char_table, scan_char_table): Use it.
1198 (check_format_info): Use the 'W' flag to determine whether a
1199 format argument is written into.
1201 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1203 * c-common.c (check_format_types): Reorganise and clean up,
1204 checking earlier for ERROR_MARKs and making cur_type into its
1205 TYPE_MAIN_VARIANT where convenient.
1207 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1209 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
1211 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
1213 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
1215 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
1216 * i386.c (struct builtin_description): New.
1217 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
1218 (mmx_reg_operand): Declare MODE arg as unused.
1219 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
1220 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
1221 ix86_expand_binop_builtin, ix86_expand_store_builtin,
1222 ix86_init_builtins, ix86_expand_builtin): New functions.
1223 * i386.h (ix86_builtins): New enumeration.
1224 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
1225 * i386.md (attr length_immediate): 0 for mmx/sse types.
1226 (attr prefix_0f): 1 for mmx/sse types.
1227 (setcc_2): Remove "*" so we get gen_setcc_2.
1228 (emms): Account for changed register numbering. Set "memory" attr
1230 (sfence): Set "memory" attr to unknown.
1232 2000-09-18 Andreas Jaeger <aj@suse.de>
1234 * configure.in: Define _GNU_SOURCE only when using the GNU C
1236 * configure: Regenerated.
1237 * config.in: Regenerated.
1239 2000-09-17 Mark Mitchell <mark@codesourcery.com>
1241 * cppinit.c (cpp_init): Don't use ANSI prototypes.
1242 * flow.c (flow_dump_loop): Likewise.
1243 (flow_loops_dump): Likewise.
1245 * c-typeck.c (c_start_case): Fix typo.
1247 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1249 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
1250 to int for plain complex which defaults to complex double. Do
1251 warn about defaulting to complex double if pedantic. Warn about
1252 complex integer types if pedantic. Warn about complex types if
1253 pedantic and not in C99 mode.
1254 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
1255 for complex conjugation.
1257 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1259 * contrib.texi: Update my entry.
1261 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
1263 * config/avr/avr.md (mcu_enhanced): New attribute.
1264 (mcu_mega): Likewise.
1265 (extendhisi2): Use mcu_enhanced.
1266 (zero_extendhisi2): Likewise.
1267 (call_insn): Use mcu_enhanced and mcu_mega.
1268 (call_value_insn): Likewise.
1269 (*sbrx_branch): Use mcu_mega.
1270 (*sbrx_and_branchsi): Likewise.
1271 (*sbrx_and_branchhi): Likewise.
1272 (*tablejump_lib): Likewise.
1274 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1276 * alias.c (true_dependence): Allow non-unchanging read to conflict
1277 with unchanging write.
1279 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
1280 (store_constructor): Pass alias_set to it.
1282 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
1283 TYPE_MAIN_VARIANT of ERROR_MARK.
1284 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
1286 * simplify-rtx.c (simplify_unary_operation): Add cases
1287 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
1289 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
1291 * expr.h (emit_library_call, emit_library_call_value): Delete
1293 * rtl.h (enum libcall_type): New.
1294 (emit_library_call, emit_library_call_value): Change fn_type arg to
1295 be of type enum libcall_type.
1296 * calls.c: Likewise for the function definitions. Several callers
1297 throughout changed to use the new enumeration appropriately.
1298 (emit_library_call_value_1): Likewise. Put back code to make libcall
1299 blocks of equal form, but only use it for the two new higher
1302 2000-09-16 Mark Mitchell <mark@codesourcery.com>
1304 Convert the C front-end to use function-at-a-time mode.
1305 * c-common.h: Include splay-tree.h.
1306 (C_DECLARED_LABEL_FLAG): New macro.
1307 (struct language_function): Add x_scope_stmt_stack and
1308 x_function_name_declared_p.
1309 (RECHAIN_STMTS): Move definition.
1310 (lang_statment_code_p): Likewise.
1311 (lang_expand_stmt): Likewise.
1312 (lang_expand_decl_stmt): New variable.
1313 (lang_expand_function_end): Likewise.
1314 (current_scope_stmt_stack): New function.
1315 (add_decl_stmt): Likewise.
1316 (add_scope_stmt): Likewise.
1317 (mark_stmt_tree): Likewise.
1318 (struct c_lang_decl): New structure.
1319 (DECL_SAVED_TREE): Define.
1320 (c_mark_lang_decl): New function.
1321 (c_expand_start_cond): Change prototype.
1322 (c_finish_then): New function.
1323 (c_finish_else): Likewise.
1324 (current_function_name_declared): Remove.
1325 (set_current_function_name_declared): Likewise.
1326 (mark_c_language_function): Declare.
1327 (case_compare): Likewise.
1328 (c_add_case_label): Likewise.
1329 (c_expand_expr): Likewise.
1330 (c_safe_from_p): Likewise.
1331 * c-common.c (lang_expand_function_end): New variable.
1332 (struct if_elt): Add if_stmt.
1333 (c_expand_start_cond): Add the if-statement to the statement-tree,
1334 rather than generating RTL.
1335 (c_finish_then): New function.
1336 (c_expand_start_else): Don't generate RTL.
1337 (c_finish_else): New function.
1338 (c_expand_expr_stmt): Don't generate RTL.
1339 (statement_code_p): Add SCOPE_STMT.
1340 (case_compare): New function.
1341 (c_add_case_label): Likewise.
1342 (mark_stmt_tree): Likewise.
1343 (c_mark_lang_decl): Likewise.
1344 (mark_c_language_function): Likewise.
1345 (c_expand_expr): Likewise.
1346 (c_safe_from_p): Likewise.
1347 * c-decl.c (c_stmt_tree): New variable
1348 (c_scope_stmt_stack): Likewise.
1349 (c_function_name_declared_p): Likewise.
1350 (lang_expand_expr_stmt): Remove.
1351 (poplevel): Don't call output_inline_function for nested
1353 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
1355 (redeclaration_error_message): Change means of computing whether
1356 or not a function is nested.
1357 (lookup_label): Don't call label_rtx.
1358 (init_decl_processing): Add more GC roots.
1359 (start_decl): Add DECL_STMTs to the statement-tree, rather than
1360 calling rest_of_decl_compilation.
1361 (finish_decl): Don't call expand_decl.
1362 (store_parm_decls): Begin the statement-tree, but don't generate
1364 (finish_function): Tie off the statement-tree. Call c_expand_body
1366 (c_expand_body): New function.
1367 (push_c_function_context): Save more information.
1368 (pop_c_function_contxt): Likewise.
1369 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
1370 (lang_mark_tree): Mark it.
1371 (current_stmt_tree): Adjust.
1372 (current_scope_stmt_stack): New function.
1374 (set_current_name_declared): Likewise.
1375 (c_begin_compound_stmt): Define.
1376 (c_expand_decl_stmt): Likewise.
1377 * c-lang.c: Include rtl.h and expr.h.
1378 (lang_init): Set more language-specific hooks.
1379 * c-lex.c: Include expr.h.
1380 * c-parse.in: Changes throughout to add statements to the
1381 statement-tree, rather than generating RTL after every statement.
1382 * c-semantics.c (lang_expand_decl_stmt): Define.
1383 (add_decl_stmt): New function.
1384 (add_scope_stmt): Likewise.
1385 (finish_stmt_tree): Tweak.
1386 (genrtl_expr_stmt): Likewise.
1387 (genrtl_decl_stmt): Handle local labels, and call
1388 lang_expand_decl_stmt if required.
1389 (genrtl_for_stmt): Fix line-number handling.
1390 (genrtl_case_label): Handle cleanups.
1391 (genrtl_asm_stmt): Don't call combine_strings.
1392 (genrtl_compound_stmt): Simplify.
1393 (expand_stmt): Handle SCOPE_STMTs.
1394 * c-tree.h (struct lang_decl): New structure.
1395 (C_DECLARED_LABEL_FLAG): Remove.
1396 (c_begin_compound_stmt): Declare.
1397 (c_expand_decl_stmt): Likewise.
1398 (c_expand_start_case): Rename to c_start_case.
1399 (c_finish_case): New function.
1400 * c-typeck.c (start_init): Tweak setting of
1401 constructor_incremental.
1402 (c_expand_asm_operands): Tweak error-handling. Add to the
1404 (c_expand_return): Add to the statement-tree.
1405 (c_expand_start_case): Rename to ...
1406 (c_start_case): ... this.
1407 (struct c_switch): New type.
1408 (switch_stack): New variable.
1409 (do_case): Simplify.
1410 (c_finish_case): New function.
1411 * dependence.c: Include expr.h.
1412 (enum dependence_type): Change spelling of enumerals.
1413 (check_node_dependence): Adjust.
1414 * expr.h (lang_safe_from_p): Declare.
1415 (safe_from_p): Likewise.
1416 * expr.c (lang_safe_from_p): New variable.
1417 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
1418 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
1419 * toplev.c (rest_of_decl_compilation): Robustify.
1420 * tree.c (contains_placeholder_p): Likewise.
1421 * Makefile.in: Update dependencies.
1422 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
1423 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
1424 (objc_expand_function_end): New function.
1425 (finish_method_def): Use it.
1426 (init_objc): Initialize more language-specific hooks.
1427 * objc/Make-lang.in: Update dependencies.
1429 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
1431 * configure.in: Define macros that affect features before
1432 testing for features. Don't define _XOPEN_SOURCE.
1433 * configure: Regenerated.
1434 * config.in: Regenerated.
1436 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
1438 * rtlanal.c (rtx_varies_p): Volatile asms vary.
1439 (rtx_unstable_p): Restructure code. Volatile asms
1442 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1444 * function.h (no_debugging_symbols): New field.
1445 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
1446 Initialize no_debugging_symbols.
1447 (output_inline_function): Save and restore write_symbols and set from
1448 no_debugging_symbols.
1449 * toplev.c (rest_of_compilation): Call save_for_inline.
1450 * tree.h: Update comment.
1452 * stor-layout.c (place_field): Don't do anything if field or
1453 its type are ERROR_MARK.
1455 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
1457 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
1458 (read_include_file): Ensure inc->mmaped is initialized.
1460 2000-09-16 Richard Henderson <rth@cygnus.com>
1462 * cppiles.c (purge_cache): Use PTR not caddr_t.
1464 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
1466 * gcc.c: In description for %{<S}, say the option removed is -S.
1467 * invoke.texi (Spec Files): Ditto.
1469 2000-09-16 Andreas Jaeger <aj@suse.de>
1471 * configure.in: Always define _GNU_SOURCE to make interfaces
1472 visible that were hidden by only defining _GNU_SOURCE.
1473 * configure: Regenerated.
1475 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
1477 * cpplex.c (push_macro_context): Set an argument's level after
1478 calling parse_args. We could loop infinitely otherwise.
1480 2000-09-15 Tom Tromey <tromey@cygnus.com>
1482 * configure, config.in: Rebuilt.
1483 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
1485 2000-09-15 Greg McGary <greg@mcgary.org>
1487 * cppmacro.c (check_trad_stringification): Check token
1488 text pointers against limit before dereferencing.
1490 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
1492 * c-common.c (format_wanted_type): New structure.
1493 (check_format_types): New function.
1494 (check_format_info): Pass all checking of types of format
1495 arguments, including width and precision arguments, to this new
1498 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1500 * BUGS: Remove file.
1502 2000-09-15 Jakub Jelinek <jakub@redhat.com>
1504 * config/alpha/alpha.c (override_options): ev6 cache latencies
1505 from Richard Henderson. Don't allow -mmemory-latency=L0.
1507 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
1508 (TARGET_OPTIONS): Add tune=.
1509 (alpha_tune_string): Declare.
1510 * config/alpha/alpha.c (override_options): Add cpu_table.
1511 Use alpha_cpu_string first to set both alpha_cpu and target_flags
1512 and then alpha_tune_string to set alpha_cpu only.
1513 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
1514 * config/alpha/elf.h (ASM_FILE_START): Likewise.
1515 * config/alpha/osf.h (ASM_FILE_START): Likewise.
1516 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
1518 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
1520 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
1522 (ix86_comparison_operator, ix86_cc_mode): Declare
1523 * i386.h (CCGC, CCGCO): New modes.
1524 (SELECT_CC_MODE): Move offline to ....
1525 * i386.c (ix86_cc_mode): .... here; use new modes.
1526 (ix86_comparison_operator): New.
1527 (fcmov_comparison_operator): Ensure proper mode.
1528 (put_condition_mode): More sanity checking.
1529 (ix86_match_ccmode): Handle new modes.
1530 (ix86_expand_fp_compare): GEU requires CCmode.
1531 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
1533 * i386.md (cmp?i_ccz_1): Remove
1534 (cmp?i_ccno_1): Use ix86_match_ccmode.
1535 (cmp?i_minus_1): New.
1536 (cmpsi_1): New expander.
1537 (cmpqi_ext_1): Use match_ccmode
1538 (cmpqi_ext_3): New expander.
1539 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
1540 (cmpqi_ext_4): Use match_ccmode.
1541 (add?i_?): Use match_ccmode.
1543 (test?i_ccz_1): Remove
1545 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
1546 (testqi_ext_0): Use ix86_match_ccmode.
1547 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
1548 (xorqi_cc_ext_1): New expander.
1549 (shift patterns): Use CCGOCmode for all shifts except for sar.
1550 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
1551 (setcc_3, jcc_3, miv?icc_c): Remove.
1553 2000-09-15 Will Cohen <wcohen@redhat.com>
1555 * dwarf2out.c (add_const_value_attribute): Changed array into a
1556 xmalloced object, so it exists after function exit.
1557 (free_AT): Added case for dw_val_class_float to free allocated
1560 2000-09-15 Kazu Hirata <kazu@hxi.com>
1562 * config/i386/i386.md: Fix a comment typo.
1563 * gcc.c: Fix formatting.
1565 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
1567 * optabs.c (emit_libcall_block): If target is a user variable,
1568 copy to a temporary first.
1569 * expr.c (convert_move): When generating a libcall, make a libcall
1571 * calls.c (emit_library_call_value_1): Don't create a libcall
1572 sequence here; our caller will in most cases do it.
1574 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
1576 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
1577 * sh.md (reload_outsf): Generate recognizable patterns for
1579 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
1580 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
1581 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
1582 truncdfsf2_i4): Change not to use explicit references to fpul.
1583 (floatsisf2_ie): Remove USE of fpscr.
1584 (floatsisf2): Change default expansion to match this.
1585 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
1588 2000-09-15 Richard Henderson <rth@cygnus.com>
1590 * expmed.c (store_bit_field): Consider naturally aligned
1591 memory for direct reference.
1593 2000-09-15 Richard Henderson <rth@cygnus.com>
1595 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
1596 AND addresses into alias set 0.
1597 (alpha_expand_unaligned_store): Likewise.
1598 (alpha_expand_unaligned_load_words): Likewise.
1599 (alpha_expand_unaligned_store_words): Likewise.
1601 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
1603 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
1604 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
1606 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
1607 rsize of UNITS_PER_WORD.
1609 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
1611 * cpplex.c (ON_REST_ARG): Correct the test.
1612 (maybe_paste_with_next): Duplicate a token that fail pasting,
1613 and clear its PASTE_LEFT flag, so that nested pasting attempts
1616 2000-09-14 Richard Henderson <rth@cygnus.com>
1618 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
1619 * cse.c (rtx_cost): Likewise.
1620 * optabls.c (expand_binop): Likewise.
1621 (expand_twoval_binop, prepare_cmp_insn): Likewise.
1622 * regclass.c (copy_cost): Likewise.
1623 * reload1.c (reload_cse_move2add): Likewise.
1625 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
1627 * c-parse.in (reswords): Add _Complex.
1629 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1631 * gcc.1: Delete documentation for -undef preprocessor option.
1633 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
1635 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
1636 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
1637 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
1638 Remove undefine before config/elfos.h.
1639 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
1641 2000-09-14 Kazu Hirata <kazu@hxi.com>
1643 * invoke.texi (H8/300 Options): Add -ms2600.
1644 * config/h8300.c (h8300_init_once): Output an error when -ms2600
1645 is used without -ms.
1646 * config/h8300.h (TARGET_MAC): New.
1647 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
1648 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
1649 machine other than H8/S2600.
1650 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
1653 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
1655 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
1656 pseudos that refer to the original pseudos, not only to their
1657 equivalent memory locations.
1659 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1661 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
1662 when making new MEM.
1664 * Makefile.in (LN): Remove duplicate definition.
1666 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1668 From Joern Rennecke:
1669 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
1670 on an insn and function_invariant_p returns nonzero for the source,
1671 add a REG_EQUAL note.
1673 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
1675 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
1676 conflict with frame_pointer_rtx.
1678 2000-09-13 Kazu Hirata <kazu@hxi.com>
1680 * loop.c: Fix formatting.
1683 2000-09-13 Richard Henderson <rth@cygnus.com>
1685 * config/ia64/ia64.md (divsf3): New.
1686 (divsf3_internal_lat, divsf3_internal_thr): New.
1687 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
1688 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
1689 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
1690 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
1691 (nmadddf4_alts, nmadddf4_trunc): New.
1692 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
1693 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
1694 (multf3_truncsf_alts, multf3_truncdf_alts): New.
1695 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
1696 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
1697 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
1698 (nmaddtf4_truncdf_alts): New.
1699 (recip_approx): Don't predicate.
1701 2000-09-13 Richard Henderson <rth@cygnus.com>
1703 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
1705 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1707 * flags.h (flag_dump_rtl_in_asm): Declare.
1708 * toplev.c (flag_dump_rtl_in_asm): Define.
1709 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
1710 if -dP is specified.
1711 * rtl.h (print_rtx_head): Declare.
1712 * print-rtl.c (print_rtx_head): Define.
1713 (print_rtx): Print the string pointed to by print_rtx_head
1714 at beginning of each dump line.
1715 (print_rtl): Likewise.
1716 (print_rtl_single): Likewise.
1717 * final.c (final_scan_insn): Dump the insn in the assembly
1719 * gcc.1: Document -dP option.
1720 * invoke.texi (Debugging Options): Likewise.
1722 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1724 * md.texi (Machine Constraints): Document the 68HC11 constraints.
1725 * install.texi (Configurations): Document the 68HC11&68HC12 port.
1726 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
1728 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
1730 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
1731 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
1732 (*clrstrqi): Likewise.
1733 (xorhi3,xorsi3,absqi2): Likewise.
1734 (one_cmplhi2,one_cmplsi2): Likewise.
1735 (addsi3): Two stupid constraint alternatives removed.
1736 (extendhisi2): Use `movw' for enhanced avr cores.
1737 (zero_extendhisi2): Likewise.
1739 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
1741 * alias.c (find_base_term): Use frame_pointer_rtx
1742 when handling an ADDRESSOF.
1744 * cse.c (canon_hash): Handle USE of BLKmode memory.
1745 (cse_insn): Outgoing arguments for a libcall don't
1746 affect any recorded expressions.
1748 2000-09-12 Tom Tromey <tromey@cygnus.com>
1750 * configure, config.in: Rebuilt.
1751 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
1753 2000-09-12 Jakub Jelinek <jakub@redhat.com>
1755 * c-lex.c (lex_string): Use charwidth to compute bytemask.
1756 * expr.c (expand_expr): Don't optimize constant array references
1757 initialized with wide string constants.
1759 2000-09-13 Michael Hayes <mhayes@cygnus.com>
1761 * loop.c (note_set_pseudo_multiple_uses): Correct.
1763 2000-09-12 Jim Wilson <wilson@cygnus.com>
1765 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
1766 else block, and X has side-effects, then fail.
1768 2000-09-12 Greg McGary <greg@mcgary.org>
1770 * config/mips/mips-protos.h
1771 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
1772 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
1773 (PREDICATE_CODES): Add "trap_cmp_op".
1774 * config/mips/mips.c
1775 (trap_cmp_op, mips_gen_conditional_trap): New functions.
1776 * config/mips/mips.md (trap, conditional_trap): New patterns.
1778 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1780 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
1783 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1785 * builtins.c (built_in_decls): New array.
1786 (expand_builtin_fputs): New function.
1787 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
1789 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
1791 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
1793 * tree.h (built_in_decls): New array.
1795 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
1797 * convex.md: Use "+" instead of "=" for outputs wrapped in a
1799 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
1801 2000-09-12 Kazu Hirata <kazu@hxi.com>
1803 * haifa-sched.c: Fix formatting.
1805 * genattrtab.c: Fix formatting.
1807 * unroll.c: Fix formatting.
1809 2000-09-12 Bruce Korb <bkorb@gnu.org>
1811 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
1812 remove obsolete code
1813 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
1814 * fixinc/fixincl.tpl: make non-exported arrays static scope
1815 * fixinc/fixincl.x: regenerate
1816 * fixinc/fixlib.h: Use PARAMS, not _P_
1817 * fixinc/fixtests.c: make a type for the test proc & use it
1818 * fixinc/server.h: Use PARAMS, not _P_
1820 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1822 * c-typeck.c (process_init_element): Avoid union init warnings on
1823 floating point zero. Don't crash on unions containing structs.
1825 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
1827 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
1828 general_movsrc_operand, and remove CONST_INT from
1829 general_movdst_operand.
1831 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1833 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
1834 if a reference to non-fixed hardreg is seen. Otherwise, count hard
1835 regs with a higher cost.
1836 (preferrable): Deal with cases where either cost or regcost is
1838 (cse_insn): Use MAX_COST rather than 10000. Always initialize
1840 (COSTS_N_INSNS): Move definition...
1842 (MAX_COST): New macro.
1843 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
1846 2000-09-11 Mark Mitchell <mark@codesourcery.com>
1848 * c-common.h (genrtl_clear_out_block): Remove.
1849 * c-semantics.c (genrtl_clear_out_block): Remove.
1850 (genrtl_while_stmt): Don't call it.
1851 (genrtl_for_stmt): Likewise.
1853 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
1855 * cppfiles.c: Move all default-#defines to top of file.
1856 (open_include_file): Replace by lookup_include_file.
1857 (read_with_read, read_file): Merged into read_include_file.
1858 (stack_include_file, purge_cache): New functions.
1859 (close_cached_fd): Delete.
1860 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
1861 Cache the in-memory buffer, not the file descriptor.
1863 * cpphash.h (struct include_file): Add buffer, st, refcnt,
1865 (xcnew): New utility macro.
1866 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
1867 * cpplib.h (struct cpp_buffer): Remove mapped field.
1869 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
1871 * cpplex.c (parse_string): Accept backslash space newline as a
1873 (lex_line): Likewise.
1874 (_cpp_get_token): Remove hard limit on macro nesting.
1876 2000-09-12 Philipp Thomas <pthomas@suse.de>
1878 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
1879 * configure: Rebuilt.
1881 2000-09-13 Michael Hayes <mhayes@cygnus.com>
1883 * flow.c (split_block): Fix update of registers live at
1886 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1888 * i386.md (add?i_3, add?i_5): New.
1889 (add?i_4): Rename from add?i_3; Fix compare pattern.
1890 (sub?i_3, xor?i_3, ior?i_3): New.
1892 * genrecog.c (write_tree): Output code to clear insn_extract cache.
1893 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
1894 instead of extract_insn and extract_constrain_insn_cache instead of
1895 extract_insn and constrain_operands.
1896 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
1898 (extract_insn): Clear which_alternative.
1899 (constrain_operands): Set which_alternative to -1 when failed.
1900 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
1903 2000-09-11 Matthew Hiller <hiller@redhat.com>
1905 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
1906 on operand 0 to '+'.
1907 (movstricthi): Likewise.
1909 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1911 * loop.h (LOOP_IVS): New macro.
1912 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
1913 (struct loop_ivs): New.
1914 (struct loop_info): Add ivs field.
1915 (reg_iv_type, reg_iv_info): Delete prototype.
1916 (reg_biv_class, loop_iv_list): Likewise.
1917 * loop.c (record_biv, find_life_end): Pass loop argument.
1918 (reg_iv_type): Remove global array and use
1919 field in loop_regs structure within loop_ivs structure.
1920 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
1921 (first_increment_giv, last_increment_giv): Use entry in
1923 (record_initial): Pass ivs pointer.
1924 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
1926 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1928 * loop.h (LOOP_REGS): New macro.
1929 (struct loop_regs): New.
1930 (struct loop_info): Add regs field.
1931 * loop.c (set_in_loop): Remove global array and store
1932 in loop_regs structure as part of loop_info structure.
1933 (n_times_set, may_not_optimize): Likewise.
1934 (reg_single_usage, moved_once): Likewise.
1935 (count_one_set): Add regs argument.
1936 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
1937 (set_pseudo_multiple_uses): Pass regs pointer.
1939 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1941 * unroll.c (iteration_info): Subsume into loop_iterations.
1942 * loop.h (loop_info): New field iv.
1944 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1946 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
1947 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
1948 (flow_loops_update): New prototype.
1949 (flow_loops_find): Add flags to prototype.
1950 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
1951 * flow.c (flow_loop_pre_header_scan): New.
1952 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
1953 (flow_loop_free): Free pre-header root and trace and exit dominators.
1954 (flow_loops_find): New argument flags.
1955 (flow_loops_update): New function.
1956 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
1958 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1960 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
1961 * flow.c (split_block, update_bb_for_insn): New functions.
1963 2000-09-11 Richard Henderson <rth@cygnus.com>
1965 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
1967 2000-09-11 Richard Henderson <rth@cygnus.com>
1969 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
1970 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
1971 (ia64_override_options): Prevent optimizing division for both
1972 latency and throughput.
1973 (rtx_needs_barrier): Handle frcpa.
1974 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
1975 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
1976 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
1977 (TARGET_SWITCHES): Add -minline-divide-min-latency and
1978 -minline-divide-max-throughput.
1979 (PREDICATE_CODES): Update.
1980 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
1981 (zero_extendsidi2): Likewise. Fix typo in f case insn.
1982 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
1983 (extendsftf2): Likewise.
1984 (extenddftf2): Likewise.
1985 (fix_trunctfdi2_alts): New.
1986 (fixuns_trunctfdi2_alts): New.
1987 (madd*4): Rename from madd*3.
1988 (divsi3, modsi3, udivsi3, umodsi3): New.
1989 (divsi3_internal): New.
1990 (divdi3, moddi3, udivdi3, umoddi3): New.
1991 (divdi3_internal_lat, divdi3_internal_thr): New.
1992 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
1993 (recip_approx): New.
1995 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
1997 * print-rtl.c (debug_call_placeholder_verbose): New variable.
1998 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
2000 * integrate.c (copy_rtx_and_substitute): Don't share
2001 LEAF_REG_REMAPpable registers with the inlined function. Don't
2002 share the function value with calling sequences.
2004 2000-09-11 Jakub Jelinek <jakub@redhat.com>
2006 * c-decl.c (do_case): Fix a typo.
2008 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
2009 to a if the comparison is floating mode and not -ffast-math.
2010 * simplify-rtx.c (simplify_ternary_operation): Likewise.
2012 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2014 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
2015 gen_ic_invalidate_line.
2017 2000-09-11 Philip Blundell <pb@futuretv.com>
2019 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
2021 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
2023 * install.texi (LANGUAGES): Update to include new languages.
2026 2000-09-11 DJ Delorie <dj@redhat.com>
2028 * gcc.c (main): Don't warn about unused -B prefixes
2029 (unused_prefix_warnings): remove
2031 2000-09-11 Kazu Hirata <kazu@hxi.com>
2033 * final.c: Fix formatting.
2035 * integrate.c: Fix formatting.
2037 2000-09-11 Geoff Keating <geoffk@cygnus.com>
2039 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
2041 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
2043 * reload.c (regno_clobbered_p): Fix thinko in previous change.
2045 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2047 * gcc.1: Document 68hc11 specific options.
2049 2000-09-10 Geoff Keating <geoffk@cygnus.com>
2051 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
2052 (TARGET_LONG_DOUBLE_128): Define.
2053 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
2054 (LONG_DOUBLE_TYPE_SIZE): Redefine.
2055 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
2056 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
2057 of __LONG_DOUBLE_128__.
2058 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
2060 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
2061 (CPP_SYSV_DEFAULT_SPEC): Define.
2062 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
2063 (INIT_TARGET_OPTABS): Define.
2065 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
2066 (RS6000_UITRUNC): Likewise.
2067 (INIT_TARGET_OPTABS): New macro.
2068 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
2069 (trunc_defined): Delete.
2070 (output_prolog): Don't output .extern definitions for fp->int
2071 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
2072 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
2073 (trunc_defined): Delete.
2074 (RS6000_ITRUNC): Moved to aix.h.
2075 (RS6000_UITRUNC): Likewise.
2076 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
2077 only emit a libcall.
2078 (fixuns_truncdfsi2): Delete.
2079 (trunc_call): Delete.
2080 (trunc_call_rtl): Delete.
2082 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
2084 * varasm.c (make_decl_rtl): Restore leading star on
2085 DECL_ASSEMBLER_NAME set for decls with an asmspec.
2087 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
2089 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
2090 won't give a spurious error for '#pragma pack()'. Simplify
2091 control flow for readability. 'reset' action is not necessary.
2093 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
2095 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
2096 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
2097 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
2098 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
2100 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
2101 profile.c, sdbout.c, tradcif.y, tree.c:
2102 Include defaults.h if not already included.
2103 Don't define the above macros.
2105 * Makefile.in: Update dependencies.
2107 2000-09-10 Mark Mitchell <mark@codesourcery.com>
2109 * c-common.h (add_stmt): Change prototype.
2110 (RECHAIN_STMTS): New macro.
2111 (CASE_LABEL_DECL): Likewise.
2112 (genrtl_case_label): Change prototype.
2113 (c_expand_start_case): Remove prototype.
2114 (build_case_label): Change prototype.
2115 (decl_constant_value): Declare.
2116 * c-common.c (check_case_value): Handle C++'s extensions to C
2118 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
2120 * c-parse.in (stmt): Adjust handling of return statements and case
2122 * c-semantics.c (add_stmt): Return the new statement.
2123 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
2124 returned expression. Directly generate RTL, rather than calling
2126 (genrtl_switch_stmt): Don't call c_expand_start_case.
2127 (build_case_label): Take the LABEL_DECL as input, too.
2128 (genrtl_case_label): Just call add_case_node.
2129 (expand_stmt): Adjust calls to genrtl_return_stmt and
2131 * c-tree.h (c_expand_start_case): Declare.
2132 * c-typeck.c (decl_constant_value): Give it external linkage.
2133 (c_expand_return): Don't call expand_return or expand_null_return;
2134 use genrtl_return_stmt instead.
2135 * stmt.c (struct nesting): Remove num_ranges field.
2136 (add_case_node): Give it external linkage.
2137 (expand_start_case): Don't set num_ranges.
2138 (expand_start_case_dummy): Don't clear it.
2139 (pushcase): Rely on add_case_node to handle `default' labels.
2140 (add_case_node): Handle `default' labels.
2141 * tree.c (tree_int_cst_compare): New function.
2142 * tree.h (tree_int_cst_compare): Declare.
2143 (add_case_node): Likewise.
2145 2000-09-10 Richard Henderson <rth@cygnus.com>
2147 * c-parse.in: Revert last change.
2148 (init_reswords): Do not enter disabled keywords into the ridpointers
2149 table, modulo objc weirdness.
2150 (_yylex): Return the canonical spelling for a keyword.
2152 2000-09-10 Philip Blundell <philb@gnu.org>
2154 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
2155 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
2157 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
2159 * alias.c (find_base_term): Handle ADDRESSOF.
2160 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
2162 2000-09-10 Denis Chertykov <denisc@overta.ru>
2164 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
2165 outputting templates with many lines.
2167 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2169 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
2170 to decide whether 64-bit support must be generated.
2172 2000-09-10 Richard Henderson <rth@cygnus.com>
2174 * c-parse.in (asm patterns): Fix volatile check.
2176 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2178 * cppmacro.c (check_trad_stringification): New function.
2179 (save_expansion): If -Wtraditional, warn about stringification of
2182 2000-09-11 Michael Hayes <mhayes@cygnus.com>
2184 * loop.h (struct loop_mem_info): Move from loop.c
2185 (struct loop_info): Add fields store_mems, mems, mems_idx,
2186 mems_allocated, unknown_address_altered,
2187 unknown_constant_address_altered, num_mem_sets, and
2188 first_loop_store_insn.
2190 * loop.c (loop_store_mems): Replace with field in loop_info struct.
2191 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
2192 (unknown_address_altered, unknown_constant_address_altered): Likewise.
2193 (num_mem_sets): Likewise.
2194 (replace_loop_mems, replace_loop_regs): New.
2195 (struct loop_replace_args): New.
2196 (load_mems): Use replace_loop_mems.
2197 (try_copy_prop): Use replace_loop_regs.
2198 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
2200 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2202 * configure.in: Recognize m6811-elf and m6812-elf.
2203 * configure: Regenerate.
2205 2000-09-09 Geoff Keating <geoffk@cygnus.com>
2207 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
2210 2000-09-10 Michael Hayes <mhayes@cygnus.com>
2212 * loop.c (struct movables): New.
2213 (num_movables): Move into struct movables.
2214 (the_movables): Change type to struct movables.
2215 (ignore_some_movables): Change struct movable arg to struct movables.
2216 (force_movables, combine_movables, regs_match_p): Likewise.
2217 (rtx_equal_for_loop_p, move_movables): Likewise.
2218 (scan_loop): Change movables to be of type struct movables.
2219 Replace last_movable with field in movables structure.
2221 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
2223 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
2224 (init_pragma): Avoid warning if pfile happens to be unused.
2225 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
2226 define init_pragma to nothing. Always prototype
2227 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
2229 * c-lex.c (process_directive): Always call dispatch_pragma.
2230 Initialize entering_c_header to 0.
2232 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2234 * config/m68hc11/m68hc11.md: New file, machine description for
2236 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
2237 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
2238 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
2239 * config/m68hc11/m68hc11-protos.h: New file.
2240 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
2241 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
2242 * config/m68hc11/xm-m68hc11.h: New file, target defs.
2243 * config/m68hc11/larith.asm: New file, libgcc routines.
2245 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2247 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
2248 (FPBIT_FUNCS): Add _usi_to_sf.
2249 * config/fp-bit.c (usi_to_float): New function.
2250 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
2251 (usi_to_float): Add appropriate #define.
2253 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
2255 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
2257 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
2258 * i386.md (attr "type"): Add sse and mmx types.
2259 (attr "memory"): Handle them without a crash.
2260 (movsi_1, movdi_2): Allow MMX regs.
2261 (movdi splits): Don't split moves involving MMX regs.
2262 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
2263 (movv4sf_internal, movv4si_internal, movv8qi_internal,
2264 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
2265 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
2266 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
2267 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
2268 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
2269 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
2270 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
2271 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
2272 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
2273 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
2274 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
2275 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
2276 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
2277 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
2278 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
2279 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
2280 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
2281 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
2282 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
2283 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
2284 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
2285 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
2286 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
2287 mmx_clrdi): New patterns.
2289 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
2291 * arm.c: Don't include tm.h directly.
2293 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
2295 * recog.c (validate_replace_rtx_1): Fix confusion about equality
2296 testing; simplify subregs of constants and nested subregs.
2298 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
2300 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
2302 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
2304 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
2306 * rtl.texi (description of USE): Add note about possible pitfalls
2308 From Richard Henderson:
2309 * reload1.c (choose_reload_regs): Compute need_mode properly.
2311 2000-09-07 Richard Henderson <rth@cygnus.com>
2313 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
2314 (__modsi3, __umodsi3): Likewise.
2315 (__udivsi3): Likewise. Normalize the TFmode values.
2317 2000-09-07 Geoff Keating <geoffk@cygnus.com>
2319 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
2321 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
2324 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2326 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
2327 (cmpeqdi_t): Add output pattern.
2328 (cmpeqdi_t+1): Don't split when not optimizing.
2329 Restore proper splitting operation.
2331 2000-09-07 Richard Henderson <rth@cygnus.com>
2333 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
2334 do not call dispatch_pragma.
2336 2000-09-07 Jim Wilson <wilson@cygnus.com>
2338 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
2339 to CLASS_CANNOT_CHANGE_MODE.
2340 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
2341 mode classes are different.
2343 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
2345 * cpplib.h (struct cpp_options): Add user_label_prefix member,
2346 left out of commit which removed cppulp.c.
2348 2000-09-07 Richard Henderson <rth@cygnus.com>
2350 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
2351 after switch for CASE_DROPS_THROUGH.
2353 2000-09-07 Richard Henderson <rth@cygnus.com>
2355 * loop.c (strength_reduce): Call check_ext_dependant_givs.
2356 Properly extend the biv initial value for the giv.
2357 (record_biv): Zero ext_dependant.
2358 (record_giv): New argument ext_val. Update all callers.
2359 (general_induction_var): Likewise.
2360 (consec_sets_giv): Likewise.
2361 (simplify_giv_expr): Likewise. Fill in ext_val if we find
2362 a sign-extend, zero-extend, or truncate.
2363 (combine_givs_p): Make sure modes are compatible.
2364 (check_ext_dependant_givs): New.
2365 (extend_value_for_giv): New.
2366 * loop.h (struct induction): Add ext_dependant.
2367 * unroll.c (iteration_info): Extend the biv initial value for the giv.
2368 (find_splittable_givs): Likewise.
2369 (final_giv_value): Likewise.
2371 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
2373 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
2374 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
2375 definitions from cpplib.h.
2376 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
2378 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
2379 documentation for REGISTER_TARGET_PRAGMAS.
2381 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
2382 default-pragma callback to implement -Wunknown-pragmas if
2384 * c-parse.in: Move all includes to top of file.
2385 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
2387 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
2389 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
2391 * arm.h, arm-protos.h, arm.c,
2392 c4x.h, c4x-protos.h, c4x.c,
2393 h8300.h, h8300-protos.h, h8300.c,
2394 i370.h, i370-protos.h, i370.c,
2395 i960.h, i960-protos.h, i960.c,
2396 sh.h, sh-protos.h, sh.c,
2397 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
2398 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
2400 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
2401 multiple include guard.
2402 * i370.md (untyped_call): Use GEN_CALL.
2403 (umodsi3): Remove unused variable.
2404 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
2405 * v850.c (output_move_single, output_move_double): Constify
2407 (print_operand): Constify a char *.
2408 * v850.h (struct small_memory_info): Constify name member.
2410 2000-09-07 Kazu Hirata <kazu@hxi.com>
2412 * config/h8300.h: Fix comment typos.
2413 * config/h8300/h8300.md: Likewise.
2414 * config/h8300/lib1funcs.asm: Likewise.
2416 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
2418 * Makefile.in: Remove references to cppulp.{c,o}.
2419 * cppinit.c (initialize_builtins, cpp_start_read,
2420 cpp_handle_option): Update to use cpp_options structure.
2423 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
2425 * c-common.c (time_char_table): Allow %#b and %#h.
2427 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2429 * reorg.c (find_end_label): If the basic block reorder pass moves the
2430 return insn to some other place try to locate it again and put our
2431 end_of_function_label there.
2432 * reorg.c (relax_delay_slots): Check if find_end_label created a
2433 new label that invalidates the current optimazation.
2435 2000-09-07 Catherine Moore <clm@redhat.com>
2437 * unroll.c (unroll_loop): Check for unconditional jumps
2438 to loop continuation. Delete if n_iterations is 1.
2439 (ujump_to_loop_cont): New routine.
2441 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
2443 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
2445 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
2446 to handle multiword modes correctly. All callers and the declaration
2449 2000-09-06 Mark Mitchell <mark@codesourcery.com>
2451 * c-common.h (prep_stmt): Declare.
2452 (lang_expand_stmt): Likewise.
2453 * c-decl.c (lang_expand_stmt): Remove.
2454 * c-semantics.c (lang_expand_stmt): Define.
2455 (prep_stmt): New function.
2456 (expand_stmt): Handle common statement types here.
2458 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
2460 * configure.in (sh-*-linux*): Added.
2461 * configure: Rebuilt.
2462 * config/sh/t-linux: New file.
2463 * config/sh/sh.h (USERMODE_BIT): Define.
2464 (TARGET_USERMODE): Likewise.
2465 (TARGET_SWITCHES): New switches for the bits above.
2466 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
2467 * config/sh/linux.h: New file.
2468 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
2469 underscore on linux.
2470 (L_sdivsi3, L_udivsi3): Define for linux.
2471 (L_ic_invalidate): Define.
2472 * invoke.texi (SH Options): Document -musermode.
2474 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
2476 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
2477 CSE unless generating PIC.
2479 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
2482 2000-09-06 H.J. Lu (hjl@gnu.org)
2484 * Makefile.in (clean_s1): Depend on stage_b.
2485 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
2486 stage2. They are used for "make compare".
2488 2000-09-06 Mark Mitchell <mark@codesourcery.com>
2490 Move statement-tree facilities from C++ to C front-end.
2491 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
2492 (void_zero_node): New macro.
2493 (struct stmt_tree_s): New type.
2494 (stmt_tree): New typedef.
2495 (struct language_function): New type.
2496 (last_tree): New macro.
2497 (last_expr_type): Likewise.
2498 (walk_tree_fn): New typedef.
2499 (current_stmt_tree): New function.
2500 (begin_stmt_tree): Likewise.
2501 (add_stmt): Likewise.
2502 (finish_stmt_tree): Likewise.
2503 (statement_code_p): Likewise.
2504 (lang_statement_code_p): New variable.
2505 (walk_stmt_tree): New function.
2506 (STMT_IS_FULL_EXPR_P): New macro.
2507 * c-common.c (lang_statement_code_p): New variable.
2508 (c_common_nodes_and_builtins): Initialize void_zero_node.
2509 (statement_code_p): New function.
2510 (walk_stmt_tree): Likewise.
2511 * c-decl.c (language_function): Rename to ...
2512 (c_language_function): ... this. Include language_function.
2513 (push_c_function_context): Adjust accordingly.
2514 (pop_c_function_context): Likewise.
2515 (mark_c_function_context): Likewise.
2516 (current_stmt_tree): Define.
2517 * c-semantics.c (begin_stmt_tree): New function.
2518 (add_stmt): Likewise.
2519 (prune_unused_decls): Likewise.
2520 (finish_stmt_tree): Likewise.
2522 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2524 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
2526 2000-09-06 Kazu Hirata <kazu@hxi.com>
2528 * calls.c: Fix formatting.
2530 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
2532 * config/i386/i386.h (ADDRESS_COST): Fix typo.
2534 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2536 Integrated preprocessor.
2538 * Makefile.in: Remove all references to c-parse.gperf,
2539 c-gperf.h, and c-parse.h. Remove -d from yacc command line
2540 generating c-parse.c. Update dependencies.
2541 * c-parse.gperf, c-gperf.h: Delete.
2543 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
2544 yy_lim, or yy_get_token. Don't define get_directive_line if
2546 * c-common.h: Add multiple include guard. Define RID values
2547 for every keyword in C, C++, and Objective C. Put all the
2549 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
2550 * c-decl.c (c_decode_option): Handle -lang-objc here.
2551 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
2552 (grokdeclarator): Adjust for new RID scheme.
2553 (extract_interface_info): New stub.
2554 * c-lang.c: Don't declare yy_cur or parse_options.
2555 (lang_init_options): Call cpp_init. Don't call
2557 (lang_init): Don't call check_newline if USE_CPPLIB.
2559 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
2560 Elide lots of unnecessary code if USE_CPPLIB. Delete code
2561 rendered unnecessary by new architecture. Move routines not
2562 shared with C++ to c-parse.in. Maintain a local idea of the
2563 line number. Handle C++ as well as C.
2564 [USE_CPPLIB]: Declare and register callbacks for #ident and
2565 for entering/leaving files.
2566 (init_c_lex, c_lex): Are now the entry points to this file.
2567 (check_newline): Break out directive handling to
2569 (read_ucs, is_extended_char, utf8_extend_token): Moved here
2571 (readescape, parse_float): Overhaul.
2572 (lex_number, lex_string, lex_charconst): Break out of c_lex
2574 (get_fileinfo, update_header_times, dump_one_header,
2575 dump_time_statistics): New and/or moved here from C++.
2576 Support per-file data needed by C++ and per-header timing
2577 statistics (C++ only, at the moment).
2578 * c-lex.h: Update prototypes. Add multiple include guard.
2579 * c-tree.h (struct lang_identifier): Add rid_code field.
2580 (C_IS_RESERVED_WORD, C_RID_CODE): New.
2582 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
2583 reinit_parse_for_function and/or position_after_white_space.
2584 (save_filename, save_lineno): Look ahead before saving.
2585 (label -> identifier ':'): Save file and line before shifting ':'.
2586 (reservedwords): No need to call get_identifier.
2587 (init_parse, finish_parse, yyerror, yylex, yyprint,
2588 make_pointer_declarator): Are now here for C/ObjC.
2589 (rid_to_yy): Conversion table from RID constants to Yacc codes.
2591 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
2592 #pragma registry. Provide dummy implementation of that
2593 interface if !USE_CPPLIB.
2594 * c-pragma.h: Update to match.
2596 * flags.h: Add multiple include guard.
2597 (flag_detailed_statistics): Moved here from C++.
2598 * toplev.c: Define flag_detailed_statistics.
2600 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
2602 * timevar.def (TV_CPP, TV_LEX): New.
2603 * timevar.h: Add multiple include guard.
2605 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
2607 * objc/objc-act.c: Don't mention yy_cur or parse_options.
2608 Initialize cpplib properly. Force lineno to 0 after first
2609 call to check_newline. Don't handle -lang-objc here.
2610 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
2612 2000-09-06 David Edelsohn <edelsohn@gnu.org>
2614 * rs6000.md: Correct function unit definitions for cr_logical and
2616 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
2617 and use portable method for >=0 and floating point >=. Remove
2618 associated matchers.
2620 2000-09-06 Mark Mitchell <mark@codesourcery.com>
2622 * extend.texi: Mark named return value extension as deprecated.
2624 2000-09-06 Geoff Keating <geoffk@cygnus.com>
2626 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
2629 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
2631 * toplev.c (display_help): Fix thinko in documentation.
2633 * diagnostic.h (output_buffer::indent_skip): New fields.
2634 (output_indentation): New macro.
2636 * diagnostic.c (output_indent): New function.
2637 (output_set_prefix, clear_diagnostic_info): Use.
2638 (output_emit_prefix): Predict future indentation.
2640 2000-09-06 DJ Delorie <dj@redhat.com>
2642 * Makefile.in (stage_*): add more dependencies to ensure parallel
2643 builds build correctly
2645 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
2647 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
2648 not bootstrap-lean_f.
2650 2000-09-06 Andreas Schwab <schwab@suse.de>
2652 * mklibgcc.in: Emit rule for libgcc-stage-start.
2653 * Makefile.in (stage1-start, stage2-start, stage3-start,
2654 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
2656 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
2658 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
2659 (update_equiv_regs): Likewise, except for the mn10200 kludge.
2660 (combine_regs): Likewise.
2662 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
2663 * cse.c: Include "basic-block.h".
2664 (struct table_elt): New field REGCOST.
2665 (CHEAP_REG): Delete macro.
2666 (COST): Return 0 for REGs.
2667 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
2668 (notreg_cost): Return 0 for appropriate SUBREGs.
2669 (COSTS_N_INSNS): Return N * 2.
2670 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
2672 (CHEAPER): Use new function preferrable.
2673 (insert): Initialize REGCOST member.
2674 (find_best_addr): Use approx_reg_cost for estimation of register
2676 (cse_insn): Likewise.
2677 * loop.c (iv_add_mult_cost): New function.
2678 (add_cost, shift_cost, mult_cost): Delete variables.
2679 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
2680 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
2681 Make code that detects autoinc opportunities slightly less optimistic.
2682 (simplify_giv_expr): If expression contains other reg that is also a
2683 giv, only increment benefit if this is the only use of that reg.
2684 (consec_sets_giv): Take that change into account.
2685 (combine_givs): Slightly more verbose output.
2687 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
2688 not the cost of an equivalent shift.
2689 * sh-protos.h (addsubcosts): Declare.
2690 * sh.c (addsubcosts): New function.
2691 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
2692 (RTX_COSTS): Tweak. Use addsubcosts.
2693 (ADDRESS_COST): Return higher cost for reg+reg addressing.
2695 2000-09-06 Geoff Keating <geoffk@cygnus.com>
2697 * config/rs6000/rs6000.c (validate_condition_mode): New function.
2698 (branch_comparison_operator): Call validate_condition_mode to
2699 abort rather than returning 0.
2700 (branch_positive_comparison_operator): New function.
2701 (scc_comparison_operator): Call validate_condition_mode to abort
2702 rather than returning 0.
2703 (ccr_bit): Call validate_condition_mode. Update for
2705 (print_operand): Delete %C modifier. Update %E case
2706 to use EQ bit not SO bit.
2707 (rs6000_reverse_condition): New function.
2708 (rs6000_generate_compare): New function.
2709 (rs6000_emit_sCOND): New function.
2710 (rs6000_emit_cbranch): New function.
2711 (output_cbranch): The length of a long branch insn is
2712 now only 8 bytes. Add validate_condition_mode. Use
2713 rs6000_reverse_condition. Remove cror generation.
2715 * config/rs6000/rs6000.h: Update comments.
2716 (PREDICATE_CODES): Add new predicate. Update codes used
2717 by branch_comparison_operator and scc_comparison_operator.
2718 * config/rs6000/rs6000-protos.h: Add prototypes for
2719 new external functions.
2720 * config/rs6000/rs6000.md: Add new scheduling parameters
2721 for cr_logical instructions. Change length of branch
2723 (bCOND patterns): Call rs6000_emit_cbranch.
2724 (sCOND patterns): Call rs6000_emit_sCOND.
2725 (branch patterns): Change lengths to 4.
2726 (cr logical patterns): New.
2728 2000-09-06 Richard Henderson <rth@cygnus.com>
2730 * config/i386/i386.md (call_pop): Fix test for setting
2731 current_function_uses_pic_offset_table.
2732 (call, call_value_pop, call_value): Likewise.
2734 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2736 * timevar.c (timevar_add): Delete.
2737 (timevar_get): Also count time since the selected timer was
2738 last updated. Do not examine the timevar stack if the
2739 selected timer is standalone.
2741 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2743 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
2745 2000-09-05 Jason Merrill <jason@redhat.com>
2747 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
2748 for 'extern' arrays.
2750 2000-09-05 Richard Henderson <rth@cygnus.com>
2752 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
2753 Eliminate final copy from non-trapping case.
2754 (__divdf3, __divsf3): Likewise.
2756 2000-09-05 Richard Henderson <rth@cygnus.com>
2758 * config/ia64/ia64.md (mulhi3): Fix typo last change.
2759 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
2761 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
2763 * Makefile.in: Restructure bootstrap stages to allow clean
2764 restart after failure.
2766 2000-09-05 Richard Henderson <rth@cygnus.com>
2768 * config/ia64.md (movsi and movdi patterns): Allow moves from
2769 8-bit constants to AR registers.
2771 2000-09-05 Richard Henderson <rth@cygnus.com>
2773 * config/ia64/ia64.md (mulhi3): New.
2775 2000-09-05 Richard Henderson <rth@cygnus.com>
2777 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
2778 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
2779 Optimization Guide, minimum latency alternative.
2780 (__moddi3, __udivdi3, __umoddi3): Likewise.
2781 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
2783 2000-09-05 Bruce Korb <bkorb@gnu.org>
2785 * fixinc/fixincl.c (load_file): always read header files
2786 with sizes that are a multiple of the page size.
2787 & use libiberty's getpagesize for determining that.
2789 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
2791 * gcse.c (hash_string_1): Add prototype.
2792 * cse.c (canon_hash_string): Likewise.
2794 2000-09-04 Craig Newell <CraigN@ieee.org>
2796 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
2798 2000-09-04 Andreas Schwab <schwab@suse.de>
2800 * Makefile.in (STAGESTUFF): Remove libgcc.
2801 (stage1-start, stage2-start, stage3-start): Copy the contents of
2802 the libgcc directory explicitly.
2803 (mostlyclean): Clean libgcc.
2805 2000-09-04 Andrew Haley <aph@redhat.com>
2807 * dwarf2out.c: (stack_adjust_offset): New prototype.
2809 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
2811 * combine.c (make_extraction): Fix rtx_cost comparison to
2814 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
2816 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
2817 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
2818 Add '*' to insn pattern name.
2820 2000-09-04 Jakub Jelinek <jakub@redhat.com>
2822 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
2823 use posn - 1 to index into tokens array.
2824 (maybe_paste_with_next): Adjust caller.
2826 2000-09-03 Geoff Keating <geoffk@cygnus.com>
2828 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
2830 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
2831 (REGNO_REG_CLASS): Use symbolic register
2834 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
2836 * arm.c (final_prescan_insn): If the form of a jump insn isn't
2837 recognized, don't try to conditionally execute it.
2839 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
2841 * config/avr/avr.md ("*tablejump_lib"): New pattern.
2842 (call_value_insn): Right length claculation.
2843 (call_insn): Likewise.
2845 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
2847 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
2848 gas_output_limited_string, gas_output_ascii, output_movqi,
2849 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
2850 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
2851 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
2852 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
2853 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
2854 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
2855 Add "const" as needed to remove warnings.
2857 * config/avr/avr.c (avr_override_options, avr_init_once,
2858 function_prologue, function_epilogue, frame_pointer_required_p,
2859 class_likely_spilled_p, order_regs_for_local_alloc,
2860 avr_address_cost, avr_ret_register): Use K&R style arguments.
2861 (initial_elimination_offset, gas_output_limited_string):
2862 Remove ATTRIBUTE_UNUSED from the used arguments.
2863 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
2864 Use local variables src, dest, base to access operands[].
2865 Rename reg_dest to reg_src if that's what it is.
2866 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
2867 constants to LD_REGS if reg_was_0.
2868 (output_reload_insisf): Change arg 3 to insn length and set it.
2869 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
2870 access to 16-bit I/O register pairs.
2871 (avr_address_cost): Lower cost for the above case.
2872 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
2873 may be clobbered, also for LD_REGS.
2874 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
2877 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
2879 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
2880 macro to test_hard_reg_class function.
2881 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
2882 for loading immediate constants to LD_REGS.
2883 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
2886 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
2888 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
2889 * config/avr/libgcc.S: Lost part of the previous patch.
2891 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2893 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
2894 object before calling pthread_mutex_init.
2896 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
2898 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
2899 config/sh/crtn.asm: New files.
2900 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
2901 (crt1.o, crti.o, crtn.o): New targets.
2902 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
2904 * configure: Rebuilt.
2905 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2906 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
2907 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
2908 Undefine for config/elfos.h to redefine.
2909 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
2911 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
2913 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
2914 legitimize_pic_address, output_pic_addr_const): Declare.
2915 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
2916 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
2917 (TARGET_SWITCHES): New switch -mprefergot.
2918 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
2919 (PIC_OFFSET_TABLE_REGNUM): Define.
2920 (GOT_SYMBOL_TABLE): Likewise.
2921 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
2922 (ENCODE_SECTION_INFO): Define.
2923 (FINALIZE_PIC): New macros.
2924 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
2925 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
2926 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
2927 (prepare_move_operands): Call emit_pic_move or
2928 emit_pic_const_move if appropriate.
2929 (output_far_jump): For PIC, use braf and output long offset.
2930 (machine_dependent_reorg):
2931 (sh_expand_prologue): Save and initialize the PIC register.
2932 (sh_expand_epilogue): Restore it.
2933 (initial_elimination_offset): Account for it.
2934 (nonpic_symbol_mentioned_p): New function.
2935 (legitimize_pic_address): Likewise.
2936 (output_pic_addr_const): Likewise.
2937 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
2938 (call, call_value): Use them.
2939 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
2940 symPLT_label2reg): New expands.
2941 * invoke.texi (SH Options): Document -mprefergot.
2943 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
2945 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
2946 * gcse.c (hash_string_1): New function.
2947 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
2948 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
2949 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
2950 (canon_hash_string): New function.
2951 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
2952 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
2953 (fold_rtx): Use ASM_OPERANDS accessor macros.
2954 * emit-rtl.c (copy_insn_1): Likewise.
2955 * integrate.c (copy_rtx_and_substitute): Likewise.
2956 * stmt.c (expand_asm_operands): Likewise. Give an
2957 ASM_OPERANDS rtx the mode of the output reg being set from it.
2959 2000-09-01 Fred Fish <fnf@be.com>
2961 * fix-header.c (write_rbrac): Add putc and getc to list of
2962 functions to protect against prior definition as a macro.
2964 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
2966 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
2967 (c_size_type_node): Define.
2968 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
2969 * c-common.c (enum format_lengths, enum format_std_version,
2970 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
2971 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
2972 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
2973 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
2974 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
2975 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
2976 format_types): Define.
2977 (format_char_info, print_char_table, scan_char_table,
2978 time_char_table): Rearrange for new organization of information
2979 about format length modifiers and standard versions.
2980 (T_ST): Redefine to use c_size_type_node.
2981 (check_format_info): Obtain information about length modifiers and
2982 standard versions from tables. Adjust warning message wordings.
2983 Use the name from the user's program for `ll' and `hh' length
2984 modifiers in warning messages. Use more informative names for
2985 wanted types where available (for wchar_t, wint_t, size_t, signed
2986 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
2988 2000-09-01 Jim Wilson <wilson@cygnus.com>
2990 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
2991 * combine.c (distribute_notes): Handle REG_NORETURN.
2992 * rtl.c (reg_note_name): Add REG_NORETURN.
2993 * rtl.h (enum reg_note): Likewise.
2995 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
2997 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
2998 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
2999 (emit_predicate_relation_info): Handle conditional calls with
3001 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
3002 instead of ia64_file_start.
3003 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
3004 * config/ia64/ia64.md (safe_across_calls_all,
3005 save_across_calls_normal): New patterns.
3007 * loop.c (check_final_value): Check for biv use before checking for
3008 giv use. Check for both biv and giv uses. Always set last_giv_use
3009 if there is a giv use.
3011 2000-09-01 Richard Henderson <rth@cygnus.com>
3013 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
3014 (madddi3): Likewise.
3017 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3019 * expr.c (clear_storage): Don't use emit_move_insn unless
3020 either BLKmode or proper size.
3021 (store_constructor): Don't call clear_storage if REG of wrong size.
3023 * flow.c (init_propagate_block_info): Don't mark frame dead at end
3024 of function if returns wiht stack pointer depressed.
3026 2000-09-01 Andrew Haley <aph@redhat.com>
3028 * dwarf2out.c (stack_adjust_offset): New function.
3029 (dwarf2out_stack_adjust): Break out stack adjust logic into
3030 new stack_adjust_offset function. Look inside parallels and
3031 sequences for stack adjustments.
3033 2000-08-31 Jeff Law <law@cygnus.com>
3035 * arm.md: Use no_new_pseudos to determine when it is safe
3036 to create new pseudo registers.
3038 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
3039 when we can safely allocate new registers.
3041 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
3043 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
3044 so that CONCATs are not generated for ASMs.
3045 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
3046 not generating_concat_p.
3047 * function.c (pop_function_context_from): Reset
3048 generating_concat_p.
3049 (prepare_function_start): Likewise.
3050 * rtl.c (generating_concat_p): Define.
3051 * rtl.h (generating_concat_p): Declare.
3052 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
3054 2000-08-22 Philipp Thomas <pthomas@suse.de>
3055 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
3057 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
3060 2000-08-30 Greg McGary <greg@mcgary.org>
3062 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
3063 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
3064 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
3066 2000-08-30 Greg McGary <greg@mcgary.org>
3068 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
3069 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
3070 (TREE_INT_CST): New macro.
3071 * varasm.c (const_hash, compare_constant_1, record_constant_1):
3072 Use new macro TREE_INT_CST.
3074 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
3076 * contrib.texi: Add self.
3078 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
3080 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
3081 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
3084 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3086 * fixinc/gnu-regex.c: Don't define `const'.
3088 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3090 * expr.c (store_constructor): Allow variable bounds of array type.
3091 (expand_expr): Don't blow up if type is ERROR_MARK.
3092 * varasm.c (output_constructor): Don't access lower bound of array
3093 type unless need it if index is supplied (so it can be a variable
3094 if no index is supplied).
3095 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
3096 Other minor cleanups.
3098 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3100 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
3101 for compilations in stage 1 and subsequent stages, respectively.
3102 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
3103 * configure: Rebuilt.
3104 * x-vax, x-vax-gcc: Deleted.
3106 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
3108 * c-common.c (declare_function_name): Use func_id_node,
3109 function_id_node, and pretty_function_id_node. Do not make
3110 __func__ visible at file scope.
3111 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
3112 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
3113 (function_id_node, pretty_function_id_node, func_id_node): New
3115 * c-decl.c (init_decl_processing): Initialize function_id_node,
3116 pretty_function_id_node, and func_id_node.
3117 (c_make_fname_decl): Correct comment.
3119 * tree.h (struct tree_identifier): Constify pointer member.
3121 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
3122 * c-pragma.h (struct weak_syms): Constify name and value members.
3123 (add_weak): Constify arguments.
3125 * calls.c (special_function_p): Constify a char *.
3126 (expand_call): Remove variable which is initialized and then
3128 * dependence.c (struct def_use, struct induction, struct subscript):
3129 Constify 'variable' member.
3130 (get_low_bound, have_induction_variable): Constify char * argument.
3131 (find_induction_variable): Add braces to avoid dangling else.
3132 (classify_dependence): Constify char * arrays.
3133 * profile.c (output_func_start_profiler): Constify a char *.
3134 * stor-layout.c (finalize_record_size): Constify a char *.
3135 * tree.c (is_attribute_p): Constify a char *.
3136 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
3138 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
3139 for comprehensibility. Do not call get_identifier if we did
3140 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
3141 create temporary string constants, not ggc_alloc_string. No
3142 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
3143 char * to hold IDENTIFIER_POINTERs.
3145 2000-08-29 Richard Henderson <rth@cygnus.com>
3147 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
3150 2000-08-29 Richard Henderson <rth@cygnus.com>
3152 * reload.c (push_secondary_reload): Allow class == reload_class
3153 if we're using a reload_in/out pattern.
3155 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
3156 the half that does not conflict with the reload register.
3157 (reload_outti): Likewise.
3159 2000-08-29 Kazu Hirata <kazu@hxi.com>
3161 * reload.c: Fix formatting.
3163 * stmt.c: Fix formatting.
3165 * gcc.c: Fix formatting.
3167 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
3169 * flags.h (time_report, mem_report): New global flags.
3170 * toplev.c: Define time_report and mem_report.
3171 (f_options): Add -ftime-report and -fmem-report.
3172 (compile_file): Turn on time_report if quiet_flag is off.
3173 Call ggc_print_statistics at very end if mem_report is on.
3174 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
3176 * ggc-common.c (ggc_print_statistics): Rename to
3177 ggc_print_common_statistics; all callers changed. Scale
3178 quantities above 10K to kilobytes and above 10M to megabytes.
3179 * ggc-page.c (ggc_page_print_statistics): Rename to
3180 ggc_print_statistics. Report memory consumed by internal data
3181 structures for each allocation bucket. Scale quantities above
3182 10K to kilobytes and above 10M to megabytes.
3183 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
3184 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
3185 Define tally_leaves always.
3186 (ggc_print_statistics): New function.
3187 * ggc.h: Adjust for renamed functions.
3189 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
3191 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
3192 output_movsisf instead of which_alternative.
3194 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
3196 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
3198 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
3199 (avr_progmem_p): New prototype.
3200 (output_movsisf): Prototype declaration changed.
3201 (output_movqi): New prototype.
3202 (output_movhi): New prototype.
3203 (call_insn_operand): Likewise.
3204 (final_prescan_insn): Likewise.
3205 (avr_simplify_comparision_p): Likewise.
3206 (avr_normalize_condition): Likewise.
3207 (compare_eq_p): Likewise.
3208 (out_shift_with_cnt): Likewise.
3209 (const_int_pow2_p): Likewise.
3210 (output_reload_inhi): Prototype declaration changed.
3212 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
3213 (ldi_reg_rtx): New. rtx for r31.
3214 (avr_init_stack): Initialize as "__stack".
3215 (function_prologue): Use it.
3216 Replace all TARGET_ENHANCED with AVR_ENHANCED.
3217 (avr_mcu_name): Initialize as "avr2".
3218 (avr_enhanced_p, avr_mega_p): New variables.
3219 (mcu_types, avr_override_options): Handle all known MCU types.
3220 Also handle avr1 (only preprocess, assemble and link).
3221 (print_operand): Using of `%K' in output template removed.
3222 (out_movqi_r_mr): Optimized.
3223 (out_movhi_r_mr): Likewise.
3224 (output_movqi): New function.
3225 (output_movhi): Likewise.
3226 (out_movsi_r_mr): Optimized.
3227 (output_movsisf): Compute insn length for `adjust_insn_length'
3228 (out_movqi_mr_r): Optimized.
3229 (out_movhi_mr_r): Optimized.
3230 (adjust_insn_length): Use output_movsisf, output_movqi,
3231 output_movhi for insn length adjusting.
3232 (reg_unused_after): Use dead_or_set_p.
3233 (preferred_reload_class): Now havn't any restriction.
3234 (reg_was_0): New function.
3235 (io_address_p): Likewise.
3236 (const_int_pow2_p): Likewise.
3237 (output_reload_inhi): Likewise.
3238 (output_reload_insisf): Likewise.
3240 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
3241 (LIB_SPEC): Use -lc for all supported devices.
3242 (LIBGCC_SPEC): Use -lgcc for all supported devices.
3243 (AVR_MEGA): Define as avr_mega_p.
3244 (AVR_ENHANCED): New, define as avr_enhanced_p.
3245 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
3246 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
3247 (CRT_BINUTILS_SPECS): Handle all known MCU types.
3248 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
3249 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
3250 (ASM_SPEC): Pass -mmcu=... to the assembler.
3251 Change all -DAVR_* to -D__AVR_*__.
3252 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
3253 Rename library functions to start with two underscores.
3254 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
3256 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
3257 (SUPPORTS_WEAK): Likewise.
3258 (LDI_REG_REGNO): New. Register r31 will be used as temporary
3259 register for loading constants to r0-r14.
3261 * config/avr/avr.md: Replace all TARGET_ENHANCED with
3263 (*mov_r_sp): Removed. Handled by output_movhi.
3264 (*mov_sp_r): Likewise.
3265 (*mov_sp_r_no_interrupts): Likewise
3266 (*mov_sp_r_tiny): Likewise.
3267 (*movqi): Use output_movqi.
3268 (*reload_inqi): New.
3269 (*movhi): Use output_movhi.
3270 (*reload_inhi): New.
3271 (*negsi2): Optimized.
3272 (*negsf2): Likewise.
3273 Added peepholes (define_peephole2) for loading constants to r0-r14
3274 and for using `cpse' command.
3276 * config/avr/libgcc.S: Rename library functions to start with two
3278 Add support for enhanced core.
3279 (_moqhi3): Fix typo, now _modqi3.
3280 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
3281 (__prologue_saves__): Remove test for stack adjust by 0.
3282 (__tablejump__): New.
3284 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
3285 Add multilib support.
3287 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
3289 * loop.c (prescan_loop): Don't check unknown_address_altered
3290 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
3291 to loop_store_mems as necessary.
3292 (loop_invariant_p): Don't check unknown_address_altered
3293 or unknown_constant_address_altered.
3295 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3297 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
3299 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
3301 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
3302 print just the filename.
3303 * cpplex.c (_cpp_run_directive): Add additional argument, the
3304 name to give the synthetic buffer. This defaults to
3305 translated "<command line>".
3306 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
3308 (_cpp_define_builtin): New function.
3309 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
3310 * cpphash.h: Update prototypes.
3312 * tradcpp.c (main): Process -D and -U simultaneously, in the
3313 order they appeared on the command line.
3315 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3317 * c-decl.c (define_label): Call warning_with_file_and_line and
3318 error_with_file_and_line instead of plain warning or error.
3320 * c-parse.in (label): Use save_filename/save_lineno to ensure
3321 correct values for calls to define_label.
3323 2000-08-29 Mark Mitchell <mark@codesourcery.com>
3325 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
3327 * expr.c (expand_expr, case TARGET_EXPR): Don't call
3329 * tree.h (get_file_function_name): Remove two duplicate
3332 2000-08-28 Kazu Hirata <kazu@hxi.com>
3334 * tree.c: Fix formatting.
3336 * xcoffout.c: Fix formatting.
3338 2000-08-28 Jason Merrill <jason@redhat.com>
3340 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
3342 2000-08-28 Daniel Berlin <dberlin@redhat.com>
3344 * dwarf2out.c (dwarf2out_finish): Don't bother calling
3345 break_out_includes if it won't do anything.
3347 2000-08-28 Richard Henderson <rth@cygnus.com>
3349 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
3350 (find_reloads): Likewise.
3351 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
3352 (reload_inhi): Likewise.
3354 2000-08-28 Richard Henderson <rth@cygnus.com>
3356 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
3357 (call_insn_operand): Don't expect a surrounding mem.
3358 (constant_call_address_operand): Likewise.
3359 * config/i386/i386.h (PREDICATE_CODES): Update.
3360 * config/i386/i386.md (call patterns): Move the match_operand
3361 for the call destination inside the mem.
3363 2000-08-28 Richard Henderson <rth@cygnus.com>
3365 * local-alloc.c (requires_inout): Don't use reserved range for
3366 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
3367 * recog.c (asm_operand_ok): Likewise.
3368 (preprocess_constraints, constrain_operands): Likewise.
3369 * regclass.c (record_reg_classes): Likewise.
3370 * reload.c (find_reloads): Likewise.
3371 * reload1.c (maybe_fix_stack_asms): Likewise.
3372 (reload_cse_simplify_operands): Likewise.
3373 * stmt.c (expand_asm_operands): Likewise.
3375 * md.texi: Update constraints documentation.
3376 * tm.texi (EXTRA_CONSTRAINT): Update.
3378 2000-08-28 Daniel Berlin <dberlin@redhat.com>
3380 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
3381 (print_die): If we don't know the offset of the
3382 target die, try the symbol. Add a trailing newline.
3383 (reverse_all_dies): New fn.
3384 (dwarf2out_finish): Call it.
3385 (break_out_includes): Reorganize for clarity.
3386 (add_sibling_attributes): Don't call reverse_die_lists.
3387 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
3389 * flags.h: Add flag_eliminate_dwarf2_dups.
3390 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
3392 2000-08-28 Jason Merrill <jason@redhat.com>
3394 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
3395 * dwarf2out.c: #include "md5.h".
3396 (DIE_LABEL_PREFIX): New macro.
3397 (dw_val_struct): Add 'external' flag to val_die_ref.
3398 (add_AT_die_ref, AT_ref): Adjust.
3399 (AT_ref_external, set_AT_ref_external): New fns.
3400 (build_abbrev_table): Call set_AT_ref_external.
3401 (value_format): Call AT_ref_external.
3402 (die_struct): Add die_symbol field.
3403 (new_die): Clear it.
3404 (dwarf_tag_name): Handle BINCL/EINCL.
3405 (dwarf2out_start_source_file): Add BINCL DIE.
3406 (dwarf2out_end_source_file): Add EINCL DIE.
3407 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
3408 (loc_checksum, attr_checksum, die_checksum): New fns.
3409 (is_type_die, is_comdat_die, is_symbol_die): New fns.
3410 (compute_section_prefix, assign_symbol_names): New fns.
3411 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
3412 (output_die): Call output_die_symbol and AT_ref_external.
3413 (output_comdat_comp_unit): New fn, split out from...
3414 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
3416 (output_pubnames, output_aranges): Abort if we see entries from
3418 * toplev.h: Declare file_name_nondirectory.
3419 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
3420 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
3421 (debug_start_source_file): Call dwarf2out_start_source_file
3422 regardless of debug verbosity.
3423 (debug_end_source_file): Similarly.
3424 * tree.h: Declare clean_symbol_name.
3425 * tree.c (clean_symbol_name): Split out from...
3426 (get_file_function_name_long): ...here.
3428 * dwarf2out.c (new_loc_descr): Use calloc.
3429 (splice_child_die): Remove the die from the right parent.
3430 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
3432 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3434 * toplev.c (decode_g_option): Don't give warning for unknown -g
3435 option; return 0 instead.
3436 (main): If -g option is not recognized by front end or
3437 language-independent code, give warning.
3439 2000-08-28 Greg McGary <greg@mcgary.org>
3441 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
3442 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
3443 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
3445 2000-08-27 Greg McGary <greg@mcgary.org>
3447 * cpplex.c (parse_string): Don't look for backslash
3448 before first char in `namebuf'.
3449 * loop.c (strength_reduce): Skip NOTEs.
3451 2000-08-27 Jason Merrill <jason@redhat.com>
3453 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
3454 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
3455 TREE_ASM_WRITTEN, either.
3456 (finish_decl): Adjust.
3458 2000-08-28 Philipp Thomas <pthomas@suse.de>
3460 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
3461 they have been incorporated into the gettext CVS. Change the text to
3462 reflect the current status of NLS. Add instructions for accessing
3463 the gettext CVS and add the patch from Martin v. Loewis.
3465 2000-08-27 Geoff Keating <geoffk@cygnus.com>
3467 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
3468 by using gen_lowpart_common.
3469 (movdi_internal64+6): Likewise.
3471 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
3473 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
3476 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
3477 numbers to the ranges used by GDB.
3479 2000-08-25 Richard Henderson <rth@cygnus.com>
3481 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
3482 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
3483 (ia64_expand_prologue): Likewise.
3484 (ia64_setup_incoming_varargs): Set it. Properly skip the current
3485 argument for stdargs.
3487 2000-08-25 Jason Merrill <jason@redhat.com>
3489 * integrate.c (expand_inline_function): Pull out the original decl.
3491 2000-08-25 Jim Wilson <wilson@cygnus.com>
3493 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
3495 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
3497 2000-08-25 Greg McGary <greg@mcgary.org>
3499 * flow.c (dump_edge_info): Use ARRAY_SIZE.
3500 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
3502 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
3504 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
3506 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
3508 * i386.c (ix86_find_base_term): New.
3509 * i386-protos.h (ix86_find_base_term): Prototype.
3510 * i386.h (FIND_BASE_TERM): Define.
3511 * alias.c (find_base_term): Use it.
3512 * tm.texi (FIND_BASE_TERM): Document it.
3514 * alias.c (true_dependence, write_dependence_p): Unchanging
3515 memory can't conflict with non-unchanging memory.
3517 * alias.c (memrefs_conflict_p): A BLKmode reference
3518 to a symbol (or CONST_INT address) always conflicts
3519 with a reference to another symbol.
3521 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
3523 * c-common.c (time_char_table): Don't allow width and flags with
3526 2000-08-25 Jakub Jelinek <jakub@redhat.com>
3528 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
3529 way as LT and LTU when the second operand has 0 in low word.
3531 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3533 * basic-block.h (struct loop): Rename `exits' field to
3534 `exit_edges'. Add `entry_edges' and `num_entries' fields.
3536 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
3537 (flow_loop_entry_edges_find): Add.
3538 (flow_edge_list_print): Rename from flow_exits_print.
3539 (flow_loops_find): Call flow_loop_entry_edges_find.
3540 (flow_loop_dump): Dump entry_edges list.
3541 (flow_loops_free): Free entry_edges.
3543 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3545 * loop.c (loop_dump_aux, debug_loop): New functions.
3546 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
3548 * flow.c (flow_loops_dump): Add callback parameter.
3549 (flow_loop_dump): Add callback parameter and call it. Move
3550 loop note debugging code to loop_dump_aux.
3552 * basic-block.h (flow_loop_dump): Add callback parameter
3553 (flow_loops_dump): Likewise.
3555 * toplev.c (rest_of_compilation): Add NULL callback function pointer
3556 to call to flow_loops_dump.
3558 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3560 * loop.c (count_loop_regs_set): Replace start and end arguments
3561 with loop argument. All callers udated.
3563 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3565 * loop.c (constant_high_bytes): Delete.
3567 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3569 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
3570 and NOTE_INSN_LOOP_VTOP to...
3571 (find_and_verify_loops) ...here.
3573 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
3575 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
3576 (fini_dummy, init_dummy): Use it.
3578 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
3580 * cpplex.c (is_macro_disabled): Caller has already checked
3581 that we're not a preprocessed file.
3583 2000-08-24 Mark Mitchell <mark@codesourcery.com>
3585 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
3586 (c-iterate.o): Remove target.
3587 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
3588 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
3589 (finish_decl): Don't handle iterators.
3590 (grokdeclarator): Likewise.
3591 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
3592 * gcc/c-gperf.h: Regenerated.
3593 * gcc/c-iterate.c: Removed.
3594 * gcc/c-lex.c (init_lex): Don't handle iterators.
3595 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
3596 (compstmt_primary_start): Remove push_iterator_stack call.
3597 (stmt): Don't allow iterator statements. Replace iterator_expand
3598 with expand_expr_stmt.
3599 (all_iter_stmt): Remove.
3600 (all_iter_stmt_simple): Likewise.
3601 (all_iter_stmt_with_decl): Likewise.
3602 * gcc/c-tree.h (ITERATOR_P): Remove.
3603 (ITERATOR_BOUND_P): Likewise.
3604 (init_iterators): Remove declaration.
3605 (iterator_expand): Likewise.
3606 (iterator_for_loop_start): Likewise.
3607 (iterator_for_loop_end): Likewise.
3608 (iterator_for_loop_record): Likewise.
3609 (push_iterator_stack): Likewise.
3610 (pop_iterator_stack): Likewise.
3611 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
3612 (readonly_warning): Likewise.
3613 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
3615 2000-08-24 Jim Wilson <wilson@cygnus.com>
3617 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
3618 Copy type in a TYPE_DECL, just like pushdecl does.
3620 2000-08-24 Richard Henderson <rth@cygnus.com>
3622 * toplev.c (main): Enable flag_reorder_blocks at -O2.
3624 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
3626 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
3627 asked for one page, allocate GGC_QUIRE_SIZE of them and put
3628 the extras on the free list.
3629 (release_pages): Clean up.
3630 (ggc_set_mark): Don't adjust G.allocated here...
3631 (sweep_pages): ... do it here.
3633 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
3635 * cppfiles.c (read_include_file): Rearrange initializations.
3637 2000-08-24 Richard Henderson <rth@cygnus.com>
3639 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
3641 * config/ia64/ia64-protos.h: Update.
3642 * config/ia64/ia64.c (gr_register_operand): New.
3643 (fr_register_operand, grfr_register_operand): New.
3644 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
3645 (grfr_reg_or_8bit_operand): New.
3646 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
3647 use gr_register_operand.
3648 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
3649 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
3650 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
3651 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
3652 (fr_reg_or_fp01_operand): Likewise.
3653 (not_postinc_memory_operand): New.
3654 (ia64_split_timode): Remove unused variables.
3655 (rtx_needs_barrier): Check arguments to cmpxchg.
3656 (builtin_description): Remove.
3657 (bdesc_2argsi, bdesc_2argdi): Remove.
3658 (ia64_init_builtins): Declare all builtins directly.
3659 (ia64_expand_fetch_and_op): Rewrite to be called from
3660 ia64_expand_builtin directly. Use expand_binop and co.
3661 (ia64_expand_op_and_fetch): Likewise.
3662 (ia64_expand_compare_and_swap): Likewise.
3663 (ia64_expand_binop_builtin): Remove.
3664 (ia64_expand_lock_test_and_set): New.
3665 (ia64_expand_lock_release): New.
3666 (ia64_expand_builtin): Use them.
3667 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
3668 (EXTRA_CONSTRAINT): Use it.
3669 (PREDICATE_CODES): Update.
3670 * config/ia64/ia64.md (*): Use gr_register_operand and co.
3671 (mf): Indicate that we set memory as well as use it.
3672 (fetchadd_acq_si): Show memory being modified as well.
3673 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
3674 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
3675 (lock_test_and_set_si, lock_test_and_set_di): Remove.
3676 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
3677 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
3678 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
3679 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
3680 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
3681 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
3682 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
3683 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
3684 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
3685 return type. Pretty print definitions.
3687 2000-08-24 Jim Wilson <wilson@cygnus.com>
3689 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
3690 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
3692 2000-08-24 Jason Merrill <jason@redhat.com>
3694 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
3695 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
3696 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
3697 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
3699 2000-08-24 Greg McGary <greg@mcgary.org>
3701 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
3702 and extendtab within their proper array boundaries.
3703 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
3704 for the entire array.
3706 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
3707 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
3708 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
3709 * config/fr30/fr30.c (fr30_print_operand): Likewise.
3710 * config/i386/dgux.c (output_options): Likewise.
3711 * config/i386/dgux.h (ASM_FILE_START): Likewise.
3712 * config/m88k/m88k.c (output_options): Likewise.
3713 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
3714 * config/mcore/mcore.c (mcore_output_inline_const_forced,
3715 layout_mcore_frame, handle_structs_in_regs): Likewise.
3716 * config/mips/mips.c (output_block_move): Likewise.
3717 * config/rs6000/rs6000.c (rs6000_override_options,
3718 rs6000_file_start): Likewise.
3719 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
3720 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
3721 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
3722 * builtins.c (expand_builtin_setjmp): Likewise.
3723 * expr.c (safe_from_p): Likewise.
3724 * flow.c (life_analysis): Likewise.
3725 * fold-const.c (size_int_type_wide): Likewise.
3726 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
3727 * genattrtab.c (make_length_attrs): Likewise.
3728 * genopinit.c (gen_insn): Likewise.
3729 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
3730 * global.c (global_alloc): Likewise.
3731 * local-alloc.c (find_free_reg): Likewise.
3732 * mips-tdump.c (print_symbol): Likewise.
3733 * mips-tfile.c (parse_def, parse_input): Likewise.
3734 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
3735 * stmt.c (expand_nl_goto_receiver): Likewise.
3736 * stor-layout.c (set_sizetype): Likewise.
3737 * varasm.c (decode_reg_name): Likewise.
3738 * toplev.c (decode_f_option, decode_W_option,
3739 set_target_switch, print_switch_values): Likewise.
3740 (NUM_ELEM): Remove macro.
3741 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
3743 2000-08-24 Greg McGary <greg@mcgary.org>
3745 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
3746 (MAIN_NAME_P, main_identifier_node): New macros.
3747 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
3748 * c-decl.c (start_decl, grokdeclarator, start_function,
3749 store_parm_decls, finish_function): Use MAIN_NAME_P.
3750 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
3751 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
3752 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
3753 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
3755 2000-08-24 Greg McGary <greg@mcgary.org>
3757 * cppfiles.c (actual_directory): Don't write beyond `dir'
3758 when it contains "".
3759 * real.c (asctoeg): Stay within bounds of etens[][].
3761 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3763 * dependence.c (dependence_string, direction_string,
3764 dump_one_node, dump_node_dependence): Hide unused identifiers.
3765 (get_low_bound, normalize_coefficients): Match definition to
3767 (get_one_coefficient): Initialize variables `value0_is_idx' and
3769 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
3770 (ziv_test): Delete variable `idx', use parameter `sub' instead.
3771 (direction_merge): Avoid automatic aggregate initialization.
3772 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
3773 Initialize variables `dest_idx' and `src_idx'.
3774 (end_dependence_analysis): Avoid C89 style function definition.
3776 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
3778 * c-common.c (time_char_table): Don't allow width with %F.
3779 (check_format_info): Don't allow "Z" length with scanf.
3781 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
3783 * diagnostic.c (finish_diagnostic): Define.
3784 (output_do_printf): Use wrap_text instead of output_add_string.
3785 (default_print_error_function): Avoid embedded '\n'.
3787 * diagnostic.h (flush_diagnostic_buffer): Declare.
3789 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
3791 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
3793 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
3795 * Makefile.in (GCC_PASSES): Add specs.
3797 2000-08-23 Jim Wilson <wilson@cygnus.com>
3799 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
3800 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
3801 EHANDLER nor UHANDLER bit is set.
3802 (__get_except_table): Likewise.
3804 2000-08-23 Nick Clifton <nickc@redhat.com>
3806 * config/arm/lib1funcs.asm: Replace upper case condition codes
3807 with lower case versions.
3809 * config/arm/arm.h (STRUCT_VALUE): Define.
3810 (STRUCT_VALUE_REGNUM): Delete.
3812 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
3814 * cpphash.h (IN_I): New flag for directive table.
3815 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
3817 (_cpp_check_directive): If -fpreprocessed, execute directives
3818 marked with IN_I. Issue no warnings in this case.
3819 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
3821 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
3823 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
3825 (check_format_info): Support printf 'I' flag; warn about it with
3828 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
3830 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
3831 barrier can't be ignored by the alias analysis code.
3833 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
3835 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
3836 works inside fixincl.
3838 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
3840 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
3841 simplify_relational_operation() unless both operands are of
3843 * cse.c (fold_rtx): Likewise.
3845 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
3847 * rtlanal.c (rtx_unstable_p): The pic register is stable
3848 (within one function) and the actual rtx should be used
3849 when checking the registers.
3850 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
3852 * alias.c (true_dependence, write_dependence_p): Fix
3853 bug in previous patch.
3855 * i386.c (ix86_GOT_alias_set): New.
3856 (legitimize_pic_address): Use it.
3858 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
3859 only stable if its address is stable.
3860 (rtx_varies_p): An unchanging MEM can't vary if
3861 its address doesn't vary.
3863 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3865 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
3867 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3869 * vax.h (ASM_SPEC): Pass `-J' to assembler.
3870 * x-vax-gcc: New file for bootstrapping with gcc.
3871 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
3872 * configure.in: Use x-vax-gcc with gcc.
3873 * configure: Rebuilt.
3875 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3877 * toplev.c (rest_of_compilation): Rebuild label notes after
3878 post-reload splitting pass if new labels have been created.
3880 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
3882 * diagnostic.h (output_buffer_state): New macro.
3883 * diagnostic.c (diagnostic_for_decl, sorry,
3884 default_print_error_function, output_do_verbatim,
3885 report_diagnostic, report_problematic_module): Use it.
3887 (output_format): Use wrap_text instead of maybe_wrap_text.
3889 2000-08-22 Nick Clifton <nickc@redhat.com>
3891 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
3892 Common code for ARM divide and modulus functions.
3893 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
3895 (FUNC_END): New macro: Common code at the end of the division and
3897 (THUMB_FUNCTION_START): New macro: Common code at the start of
3899 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
3901 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
3903 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
3905 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
3906 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
3909 2000-08-22 Nick Clifton <nickc@redhat.com>
3911 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
3912 restorative additions, test for bottom bits of IP being set,
3913 rather than relying upon the RORs not matching.
3916 2000-08-22 David Edelsohn <edelsohn@gnu.org>
3918 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
3919 text_section() as appropriate instead of emitting text csect
3921 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
3922 (UNIQUE_SECTION): Define macro.
3923 (ASM_OUTPUT_SECTION_NAME): Define macro.
3924 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
3925 on AIX if debugging and -fdata-sections always.
3927 2000-08-22 Steven King <sxking@uswest.net>
3929 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
3931 (LDBL_MAX): Same here.
3933 2000-08-22 Richard Henderson <rth@cygnus.com>
3935 * flow.c (tidy_fallthru_edge): Update b->end properly.
3937 2000-08-22 Stan Cox <scox@redhat.com>
3939 * Makefile.in (OBJS): Add dependence.o.
3940 * dependence.c: New file.
3942 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
3944 * calls.c (check_sibcall_argument_overlap_1): Adjust for
3946 (check_sibcall_argument_overlap): Likewise.
3948 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
3950 * invoke.texi (SH Options): Document -m4-nofpu,
3951 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
3952 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
3954 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
3956 * c-common.c (check_format_info): Give the 'some locales' warning
3957 for strftime %Ey rather than the unconditional 'only last 2 digits
3960 2000-08-22 Richard Henderson <rth@cygnus.com>
3962 * alias.c (init_alias_analysis): Do not register
3963 struct_value_incoming_rtx or static_chain_rtx as pointing
3966 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
3968 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
3970 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
3972 * diagnostic.h (report_problematic_module): Declare.
3973 * diagnostic.c (report_problematic_module): New function.
3974 (report_error_function): Tweak.
3976 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3978 * stmt.c (expand_goto_internal, fixup_gotos): Only check
3979 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
3981 2000-08-21 Richard Henderson <rth@cygnus.com>
3983 * flow.c (calculate_global_regs_live): Mark frame pointer live
3984 everywhere before reload.
3986 2000-08-21 Jim Wilson <wilson@cygnus.com>
3988 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
3989 INTEL_EXTENDED_IEEE_FORMAT.
3990 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
3991 clear last two bytes of output FP value.
3993 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
3995 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
3997 2000-08-21 Jakub Jelinek <jakub@redhat.com>
3999 * unroll.c (loop_find_equiv_value): If ret is modified between
4000 insn and loop_start, ret might not be equivalent to reg.
4002 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
4004 * c-common.c (init_dollar_format_checking,
4005 maybe_read_dollar_number, finish_dollar_format_checking): New
4007 (dollar_arguments_used, dollar_arguments_count,
4008 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
4010 (check_format_info): Support $ formats for scanf and printf width
4011 and precision. Always increment format_chars to advance past the
4012 '*' of precision, not just when the format parameters are
4015 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4017 * mips.c (block_move_loop, expand_block_move,
4018 function_arg_partial_nregs, save_restore_insns, function_prologue,
4019 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
4021 (function_arg_advance, function_arg): Match argument to format
4024 2000-08-21 Nix <nix@esperi.demon.co.uk>
4026 * gcc.c (do_spec_1): Implement %j spec flag.
4027 Remove dead comment.
4029 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
4030 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
4031 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
4032 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
4034 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
4035 writable) instead of hardcoded value.
4037 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
4039 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
4042 * gcc.c (cc1_options): Do not process -o or run the assembler if
4044 * objc/lang-spec.h: Likewise.
4046 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
4048 * fixinc/fixincl.c (fix_with_system): Pipe the output of
4049 "external" fixes through `cat', to avoid truncating the input
4050 file by redirection.
4052 2000-08-21 Jakub Jelinek <jakub@redhat.com>
4054 * config/i386/i386.md (lea_general_1): Copy insn condition to split
4056 (lea_general_2, lea_general_3): Likewise.
4058 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4060 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
4061 warnings to user code.
4063 * c-lex.c (readescape, yylex): Likewise.
4065 * c-typeck.c (store_init_value, process_init_element): Likewise
4066 (c_expand_start_case): Format.
4068 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
4070 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
4072 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
4073 and linker_endian_spec to endian_spec.
4074 (ENDIAN_SPEC): Add %{EB} and %{EL}.
4075 (LINK_SPEC): Remove %{EB} and %{EL}.
4076 (ASM_SPEC): Likewise. Use %(endian_spec).
4078 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
4080 * c-tree.h (flag_hosted): Move declaration from here...
4081 * c-common.h (flag_hosted): ... to here.
4082 (flag_noniso_default_format_attributes): New declaration.
4083 * c-decl.c (flag_noniso_default_format_attributes): New variable.
4084 (c_decode_option): Set it appropriately for options choosing
4085 language standard variant.
4086 * c-common.c (init_function_format_info): Only provide default
4087 format attributes if flag_hosted. Only provide the gettext
4088 formats if flag_noniso_default_format_attributes. Update
4090 (check_format_info): Disable treatment of %a as a scanf flag in
4093 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
4095 * c-common.c (scan_char_table): Add 'w' to flags for all formats
4097 (check_format_info): Set 'wide' for scanf format widths. Warn for
4098 a zero scanf width. Make the check for writing into a constant
4099 object at the first level of indirection; at later levels, warn if
4100 any type qualifiers are encountered.
4102 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
4104 * reload.c (reload_inner_reg_of_subreg): New function broken out of
4106 (push_reload): Use reload_inner_reg_of_subreg.
4107 (combine_reloads): Do not combine reloads if the input reload
4108 is a SUBREG in which the inner part will need reloading.
4110 * global.c (global_alloc): Avoid passing dumpfile argument to
4112 * toplev.c (rest_of_compilation): Likewise.
4113 * reload.h (reload): Remove dumpfile argument. Callers changed.
4114 (debug_reload, debug_reload_to_stream): Move prototypes here.
4115 * rtl.h (reload): Remove dumpfile argument.
4116 * reload.c (debug_reload): Remove prototype.
4117 (debug_reload_to_stream): Likewise.
4118 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
4121 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4123 * diagnostic.c (context_as_prefix): Export.
4124 (need_error_newline): Remove.
4125 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
4126 (error_module_changed, record_last_error_module,
4127 error_function_changed, record_last_error_function): New functions.
4128 (initialize_diagnostics): Default intialize
4129 lang_diagnostic_starter, lang_diagnostic_finalizer.
4130 (init_output_buffer): Tweak.
4131 (file_name_as_prefix): New function.
4132 (announce_function, default_print_error_function,
4133 report_error_function, set_diagnostic_context): Tweak.
4135 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
4137 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
4138 condition expression.
4140 2000-08-20 Richard Henderson <rth@cygnus.com>
4142 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
4144 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
4146 * cppinit.c (cpp_init): Set global flag when called.
4147 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
4149 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
4151 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
4152 before `process_directive' so that newlines won't be missed
4154 (cpp_printf): Increment `print->lineno' when newline is emitted.
4156 * cppmain.c (cb_ident): Likewise.
4157 (cb_define): Likewise.
4158 (cb_undef): Likewise.
4159 (cb_include): Likewise.
4160 (cb_def_pragma): Likewise.
4161 (dump_macros_helper): Likewise.
4163 2000-08-20 Richard Henderson <rth@cygnus.com>
4165 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
4166 assigned before a loop.
4168 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
4169 (ashrsi3, lshrsi3): Likewise.
4171 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
4173 * c-lang.c: #include diagnostic.h
4174 (c_tree_printer): New function.
4175 (lang_init): Initialize lang_printer.
4177 * Makefile.in (c-lang.o): Depends on diagnostic.h
4179 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
4181 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
4183 * diagnostic.c (default_diagnostic_starter,
4184 default_diagnostic_finalizer): New functions.
4185 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
4186 (pedwarn, pedwarn_with_file_and_line, error,
4187 error_with_file_and_line, fatal, warning,
4188 warning_with_file_and_line): Adjust call to report_diagnostic.
4189 (report_diagnostic): Rework.
4190 (set_diagnostic_context): New function.
4192 * diagnostic.h (struct diagnostic_context): New data structure.
4193 (diagnostic_message, diagnostic_argument_list,
4194 diagnostic_file_location, diagnostic_line_location,
4195 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
4196 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
4197 (set_diagnostic_context): Declare.
4198 (report_diagnostic): Change prototype.
4200 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
4202 * fix-header.c (main): Initialize cpplib.
4204 2000-08-19 Michael Meissner <meissner@redhat.com>
4206 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
4207 instructions in it before checking for indirect jumps.
4209 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
4210 in a indirect jump as a potential for conditional execution.
4212 * d30v.h (d30v_init_expanders): Don't declare here.
4213 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
4216 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
4218 * cpp.texi: Add @section for assertions.
4220 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
4222 * loop.c (scan_loop): Use CONST_CALL_P instead of
4223 checking for REG_LIBCALL / REG_RETVAL.
4225 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
4227 * reload1.c (reload_as_needed): Accept dumpfile argument,
4228 pass it to emit_reload_insns.
4229 (emit_reload_insns): Add new dumpfile argument. If non-null
4230 then dump the reloads for each insn into the dumpfile.
4231 (reload): Pass dumpfile to reload_as_needed.
4233 * invoke.texi: Clean up linux-gnu vs linux comments.
4235 2000-08-19 Richard Henderson <rth@cygnus.com>
4237 * config/ia64/ia64.c (reg_or_5bit_operand): New.
4238 (ia64_depz_field_mask): New.
4239 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
4240 (PREDICATE_CODES): Update.
4241 * config/ia64/ia64.md: Update commentary.
4242 (depz_internal): New.
4243 (ashlsi3): Implement directly.
4244 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
4245 (ashldi3): Use shladd.
4246 * config/ia64/ia64-protos.h: Update.
4248 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
4250 * toplev.c (independent_decode_option): Always process -g.
4251 Remove third argument, now unused. Adjust caller to match.
4253 2000-08-18 Richard Henderson <rth@cygnus.com>
4255 * combine.c (make_compound_operation): Break after creating
4258 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
4260 * cpplib.c (cpp_register_pragma_space): Just return if the
4261 namespace is already registered.
4263 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
4265 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
4266 constant amount. Do not generate ROTL instruction.
4268 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
4270 * config/sh/elf.h: Do not include sh/sh.h.
4271 * config/sh/rtems.h: Likewise.
4272 * config/sh/rtemself.h: Do not include sh/elf.h.
4273 * configure.in: Get them included with `tm_file's.
4274 * configure: Rebuilt.
4276 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
4277 * config/sh/sh.c (fpscr_set_from_mem): Use them.
4279 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4281 * stor-layout.c (compute_record_type): Don't use mode of single
4282 field as mode of record if not integer mode of same type.
4284 * regmove.c (perhaps_ends_bb_p): New function.
4285 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
4286 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
4287 (fixup_match_1): Likewise.
4288 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
4289 avoid signed/unsigned warnings.
4291 * function.c (fixup_var_refs_1, case MEM): Update CODE after
4294 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
4296 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
4297 (_cpp_trigraph_map): Declaration moved from cpplex.c
4299 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
4300 instead of 256. Use consistent test for designated initializers.
4301 (cpp_init): Initialize trigraph_map.
4302 (initialize_standard_includes, parse_option): Use memcmp
4305 * cpplex.c (init_trigraph_map): Remove.
4306 (trigraph_ok, trigraph_replace, lex_line): Refer to
4309 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
4310 (do_unassert): Remove unused "next" local.
4312 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
4314 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
4316 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
4319 2000-08-17 Richard Henderson <rth@cygnus.com>
4321 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
4322 the first insn in a sequence.
4324 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
4326 * alias.c (true_dependence, write_dependence_p): A read
4327 involving a label_ref or the constant pool doesn't create
4330 * rtl.h (unchanging): Improve documentation.
4332 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
4334 * cse.c (insert_regs): Remove unused `regno'.
4336 2000-08-17 Neil Booth <NeilB@earthling.net>
4338 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
4339 remove_dup_dirs. If qtail == brack, remove brack not
4341 (remove_dup_dir, remove_dup_dirs): New functions.
4343 2000-08-17 Neil Booth <NeilB@earthling.net>
4345 * cppinit.c (cpp_cleanup): Free include dir chains.
4346 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
4347 (do_unassert): Free the assert with _cpp_free_definition.
4348 * cppmacro.c (_cpp_free_definition): Free memory allocated for
4349 assertions. Make the node a T_VOID node.
4351 2000-08-17 Neil Booth <NeilB@earthling.net>
4353 * cppinit.c (path_include, append_include_chain):
4354 Remove 2nd parameter (struct cpp_pending *).
4355 (path_include, initialize_standard_includes, cpp_handle_option):
4356 Update callers appropriately.
4357 (cpp_handle_option): Use pend.
4359 2000-08-17 Neil Booth <NeilB@earthling.net>
4361 * cppinit.c (sort_options): Remove, put functionality in
4364 (initialize_builtins): Free memory.
4365 (cpp_start_read): Move init_IStable to cpp_init.
4367 * cpplib.h (cpp_init): New prototype.
4368 * cppmain.c (main): Call cpp_init.
4370 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
4372 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
4373 (rtx_unstable_p, rtx_varies_p): Process vectors.
4375 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
4377 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
4378 references to GLOBAL symbols. Use LOCAL where appropriate.
4380 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4382 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
4383 use t-aix41 when host == target.
4385 2000-08-16 Richard Henderson <rth@cygnus.com>
4387 * reload.c (push_secondary_reload): Revert last change.
4388 If we use a reload_in/out pattern, make the when the same
4389 as the primary reload.
4390 (find_reloads): Likewise.
4392 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
4394 * configure.in (libstdcxx-v3): Fix test.
4395 * configure: Regenerate.
4397 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4399 * calls.c (calls_function_1, expand_call): Only test
4400 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
4401 * function.c (thread_prologue_and_epilogue_insns): Likewise.
4403 2000-08-16 Richard Henderson <rth@cygnus.com>
4405 * combine.c (simplify_shift_const): Revert previous two
4406 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
4407 before the main loop.
4409 2000-08-15 Richard Henderson <rth@cygnus.com>
4411 * combine.c (simplify_shift_const): Bound shift count when
4414 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4416 * calls.c (ECF_SP_DEPRESSED): New macro.
4417 (calls_function_1): Treat calling sp-depressed function as alloca.
4418 (emit_call_1): Don't adjust SP if calling sp-depressed function.
4419 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
4420 If sp-depressed, ensure block saves and restores SP.
4421 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
4423 * function.c (keep_stack_depressed): New function.
4424 (thread_prologue_and_epilogue_insns): Call it.
4425 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
4426 to print DECL_OFFSET_ALIGN.
4427 Print no-force-blk and transparent-union flags properly.
4428 * stmt.c (expand_goto_internal): Don't restore stack if last block
4429 and function returns with sp depressed.
4430 (fixup_gotos): Likewise.
4431 (save_stack_pointer): New function, from code in expand_decl.
4432 (expand_decl): Call new function.
4433 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
4434 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
4435 (save_stack_pointer): New declaration.
4437 * diagnostic.c (fatal_function): New variable.
4438 (set_fatal_function): New function.
4440 * diagnostic.h (set_fatal_function): New declaration.
4442 2000-08-15 William Cohen <wcohen@redhat.com>
4444 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
4445 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
4446 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
4448 2000-08-15 Richard Henderson <rth@cygnus.com>
4450 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
4452 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4454 * arm.c (arm_function_ok_for_sibcall): New function.
4455 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
4456 * arm.md (call expanders): Don't check here for calls that can't
4459 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4461 * arm.md (splits generating cond_exec): Disable.
4463 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4465 * arm/linux-elf.h (text_section): Delete declaration.
4467 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4469 ARM support for unordered FP operations.
4470 * arm-protos.h (arm_comparison_operator): Declare.
4471 * arm.c (arm_comparison_operator): New function.
4472 (arm_select_cc_mode): Add unordered comparison codes.
4473 (get_arm_condition_code): Likewise.
4474 (arm_final_prescan_insn): Can't handle unordered jumps that can't
4475 be done in one insn.
4476 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
4477 * arm.md (all uses of comparison_operator): Replace with
4478 arm_comparison_operator.
4479 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
4481 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
4484 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4486 * gthr-posix.h: Conditionally include <sched.h>; include
4487 <config.h> from libobjc/.
4489 2000-08-14 Richard Henderson <rth@cygnus.com>
4491 * config/i386/i386.c (legitimize_pic_address): Use Pmode
4494 2000-08-14 Richard Henderson <rth@cygnus.com>
4496 * configure.in (ia64-*): Set float_format for i386 long double.
4498 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
4499 as we would for i386 XFmode.
4500 (PUT_REAL): Likewise.
4501 (endian, ereal_atof, real_value_truncate): Likewise.
4502 (ereal_isneg, toe64, etens, make_nan): Likewise.
4503 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
4505 * config/ia64/ia64-protos.h: Update.
4506 * config/ia64/ia64.c (general_tfmode_operand): New.
4507 (destination_tfmode_operand): New.
4508 (tfreg_or_fp01_operand): New.
4509 (ia64_split_timode): New.
4510 (spill_tfmode_operand): New.
4511 (ia64_expand_prologue): Use TFmode not XFmode.
4512 (ia64_expand_epilogue): Likewise.
4513 (ia64_function_arg): Likewise.
4514 (ia64_function_arg_advance): Likewise.
4515 (ia64_return_in_memory): Likewise.
4516 (ia64_function_value): Likewise.
4517 (ia64_print_operand): Likewise.
4518 (ia64_register_move_cost): Set GR<->FR to 5.
4519 (ia64_secondary_reload_class): Get GR for TImode memory op.
4520 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
4521 (ROUND_TYPE_ALIGN): Remove.
4522 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
4523 (INTEL_EXTENDED_IEEE_FORMAT): Define.
4524 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
4525 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
4526 (MODES_TIEABLE_P): Use TFmode, not XFmode.
4527 (CLASS_MAX_NREGS): Likewise.
4528 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
4529 (PREDICATE_CODES): Update.
4530 * config/ia64/ia64.md (movti): New.
4531 (movti_internal): Use a clobber for memory alternatives.
4532 (reload_inti, reload_outti): New.
4533 (movsfcc_astep): Predicate properly.
4534 (movdfcc_astep): Likewise.
4537 (extendsftf2, extenddftf2): New.
4538 (trunctfsf2, trunctfdf2): New.
4539 (floatditf2, fix_trunctfdi2): New.
4540 (floatunsditf2, fixuns_trunctfdi2): New.
4541 (addtf3, subtf3, multf3, abstf2): New.
4542 (negtf2, nabstf2, mintf3, maxtf3): New.
4543 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
4545 (fr_spill): Use TFmode, not XFmode.
4546 (fr_restore): Likewise.
4547 * config/ia64/lib1funcs.asm (__divtf3): New.
4548 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
4550 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4552 * cse.c (fold_rtx): Avoid empty body in an if-statement.
4554 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
4555 `U' integer constant suffix.
4557 * dwarf2out.c (add_subscript_info): Avoid empty body in an
4560 * sparc/sol2.h (__enable_execute_stack): Prototype.
4562 2000-08-14 David Edelsohn <edelsohn@gnu.org>
4564 * collect2.c: Remove use of AIX import file.
4566 * longlong.h: Test ARCH_PWR not ARCH_POWER.
4568 * rs6000.c (print_operand, case 'E'): Add else.
4570 2000-08-14 Richard Henderson <rth@cygnus.com>
4572 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
4573 (movdi_symbolic): New.
4575 2000-08-14 Jim Wilson <wilson@cygnus.com>
4577 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
4578 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
4579 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
4582 2000-08-14 Richard Henderson <rth@cygnus.com>
4584 * expr.c (emit_group_load): Don't force constants into registers.
4585 Special case source already in the correct mode.
4587 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
4589 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
4590 * fixinc/inclhack.def: Likewise.
4591 * fixinc/mkfixinc.sh: Likewise.
4592 * configure: Regenerate.
4593 * fixinc/fixincl.x: Regenerate.
4594 * install.texi: Document equivalence of linux and linux-gnu.
4596 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4598 * cse.c (insert_regs): Also in REG case: When finding an invalid
4599 value, and we make a new quantity, make sure that it won't be
4600 mistaken by for a valid one by mention_regs.
4602 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
4604 * h8300.md: Remove obsolete peepholes.
4606 2000-08-13 Kazu Hirata <kazu@hxi.com>
4608 * invoke.texi (H8/300 Options): Fix typos.
4609 * config/h8300.c: Fix formatting.
4610 * config/h8300.h: Fix comment typos.
4611 (OVERRIDE_OPTIONS): Fix formatting.
4613 * function.c: Fix formatting.
4615 * cse.c: Fix formatting.
4617 2000-08-13 Geoff Keating <geoffk@cygnus.com>
4619 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
4620 (attempt_auto_inc): Suppress parentheses warning.
4621 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
4622 * loop.c (load_mems): Remove `u' suffix in two places.
4623 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
4625 * config/rs6000/rs6000.h: Likewise.
4626 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
4627 __eabi dummy routine.
4628 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
4631 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
4632 not put stuff in .sdata unnecessarily.
4633 (rs6000_unique_section): New function.
4634 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
4635 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
4637 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
4638 arrays in C99. Don't try to look at DECL_REGISTER of a
4639 COMPONENT_REF. Don't complain twice about the same error.
4641 * fixinc/inclhack.def (aix_pthread): New fix.
4642 (aix_sysmachine): New fix.
4643 * fixinc/fixincl.x: Regenerate.
4645 * expr.c (expand_expr): Call convert_modes when turning a large
4646 multiply into a small one.
4648 2000-08-12 Geoff Keating <geoffk@cygnus.com>
4650 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
4651 the tree structure an exponent rather than an explicit alignment
4652 so it doesn't overflow.
4653 (SET_DECL_OFFSET_ALIGN): New macro.
4654 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
4655 rather than DECL_OFFSET_ALIGN.
4656 (place_field): Likewise.
4657 * expmed.c (store_bit_field): Abort on align==0 to avoid
4658 antisocial machine behaviour.
4660 2000-08-12 Richard Henderson <rth@cygnus.com>
4662 * sibcall.c (uses_addressof): Accept both addressof and
4663 current_function_internal_arg_pointer inside a mem.
4664 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
4665 if current_function_uses_addressof.
4666 * stmt.c (expand_return): Kill tail recursion and HAVE_return
4669 2000-08-11 Richard Henderson <rth@cygnus.com>
4671 * config/ia64/ia64.md (addsi3): Remove expander.
4672 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
4673 (*addsi3_shladd): New.
4675 2000-08-11 Richard Henderson <rth@cygnus.com>
4677 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
4678 (do_restore): Likewise.
4679 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
4680 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
4681 (rtx_needs_barrier): Track actual bit manipulation for
4682 ar.unat moves, gr_spill, and gr_restore.
4683 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
4684 (process_set): Don't handle varargs spills.
4685 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
4686 .mem.offset here instead of in process_set.
4687 (gr_restore): Likewise.
4689 2000-08-11 Richard Henderson <rth@cygnus.com>
4691 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
4693 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
4695 * gcc.texi (The Configuration File): Document
4696 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
4697 UPDATE_PATH_HOST_CANONICALIZATION.
4699 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4701 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
4702 unprototyped function pointer casts on integer constants.
4704 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
4706 * fixproto: Recognize DOS paths with drive letters as absolute paths.
4708 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
4710 * extend.texi (Volatiles): Fix typos.
4712 2000-08-11 Kazu Hirata <kazu@hxi.com>
4714 * flow.c: Fix formatting.
4716 2000-08-11 Richard Henderson <rth@cygnus.com>
4718 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
4719 pattern, always allocate a tertiary scratch register.
4721 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
4722 (reload_inhi): Likewise.
4724 2000-08-11 Richard Henderson <rth@cygnus.com>
4726 * function.c (put_reg_into_stack): Allow type to be NULL.
4727 (schedule_fixup_var_refs): Likewise.
4728 (gen_mem_addressof): Allow decl to be NULL.
4729 (put_addressof_into_stack): Likewise.
4731 * flow.c (merge_blocks_nomove): Be more careful about
4732 locating the beginning of block A.
4734 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
4736 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4741 * config.in: Reverted the check for <sched.h>.
4743 2000-08-10 Chris Demetriou <cgd@sibyte.com>
4745 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
4746 macros define the name of CTOR and DTOR sections.
4747 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
4748 DTOR_LIST_END): Change to use attributes to specify
4750 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
4751 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
4752 DTOR_LIST_END): Same as in mips/elf.h.
4754 2000-08-10 Drew Moseley <dmoseley@redhat.com>
4756 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
4757 disabling just crt0.o.
4759 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
4761 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
4762 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
4763 (EXTRA_SPECS): Add them.
4764 * arm/lib1funcs.asm: Support builds for interworking.
4765 Use macros to eliminate duplicated pieces of code.
4767 2000-08-10 Kazu Hirata <kazu@hxi.com>
4769 * h8300.c (expand_a_rotate): New.
4770 (emit_a_rotate): Likewise.
4771 (h8300_adjust_insn_length): Add support for the rotate insns.
4772 * h8300.md (rotlqi3): New.
4773 (*rotlqi3_1): Likewise.
4774 (rotlhi3): Likewise.
4775 (*rotlhi3_1): Likewise.
4776 (rotlhi3): Likewise.
4777 (*rotlhi3_1): Likewise.
4778 * h8300-proto.h: Add prototypes for expand_a_rotate and
4781 * h8300.c: Fix comment typos.
4782 (dosize): Declare the variable amount as unsigned.
4783 (get_shift_alg): Fix a comparison between signed and unsigned.
4784 (emit_a_shift): Likewise.
4785 (h8300_adjust_insn_length): Simplify the code.
4787 * c-decl.c: Fix formatting.
4789 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4791 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
4792 warning about non-traditional numeric constant suffixes.
4794 * cppexp.c (parse_number): Likewise.
4796 * invoke.texi: (-Wtraditional): Document new behavior.
4798 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4800 * gthr-posix.h: Include auto-host.h. Conditionally include
4802 * configure.in: Check for the <sched.h> header file.
4803 * config.in: Added define for HAVE_SCHED_H.
4805 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4807 * c-typeck.c (process_init_element): For -Wtraditional, warn about
4808 initialization of unions.
4810 * invoke.texi (-Wtraditional): Document new behavior.
4812 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
4814 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
4815 instead of extra_c_flags.
4816 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
4817 * configure: Regenerate.
4818 * config.in: Regenerate.
4820 * cpperror.c (cpp_type2name): New function.
4821 * cpplex.c (lex_line): If we issued an error for an invalid
4822 preprocessing directive, discard that logical line.
4823 * cpplib.c (do_line): Call a hook function if the current file
4824 is renamed by #line.
4825 (do_ident): Pass the contents of the string, not the entire
4826 token, to the callback function.
4827 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
4828 (cb.rename_file): New hook function.
4829 (cb.ident): Adjust prototype.
4830 (cpp_type2name): Prototype.
4831 * cppmacro.c (dump_macro_args): Correct precedence lossage.
4833 * cppmain.c (cb_ident): Update for changed interface.
4834 (cb_rename_file): New function.
4835 (main): Set rename callback.
4837 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
4839 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
4840 multi-word registers.
4842 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
4844 * c-common.c (combine_strings, check_format_info): Refer to ISO C
4845 or ISO C89 instead of ANSI C.
4846 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
4847 build_enumerator, do_case): Likewise.
4848 * c-lex.c (parse_float, yylex): Likewise.
4849 * c-parse.in: Likewise.
4850 * c-typeck.c (common_type, build_array_ref, build_binary_op,
4851 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
4852 build_c_cast, convert_for_assignment, set_init_index,
4853 set_init_label, c_expand_start_case): Likewise.
4854 * toplev.c (documented_lang_options, display_help): Likewise.
4856 2000-08-08 Kazu Hirata <kazu@hxi.com>
4858 * h8300.c: Fix formatting.
4859 * h8300.h: Likewise.
4860 * h8300.md: Likewise.
4861 (movsi_h8300hs): Fix formatting of the resulting assembly code.
4863 * reload1.c: Fix formatting.
4865 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
4867 * alpha/alpha.c (alpha_emit_xfloating_libcall):
4868 Use GEN_CALL_VALUE define.
4869 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
4870 * clipper/clipper.md (untyped_call): Likewise.
4871 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
4872 * fx80/fx80.md (untyped_call): Likewise.
4873 * mips/mips.md (untyped_call): Likewise.
4874 * ns32k/ns32k.md (untyped_call): Likewise.
4875 * pa/pa.md (untyped_call): Likewise.
4876 * romp/romp.md (untyped_call): Likewise.
4877 * sparc/sparc.md (untyped_call): Likewise.
4879 2000-08-08 Jason Eckhardt <jle@cygnus.com>
4881 * config/i860/i860.c (singlemove_string): Do not generate assembler
4882 pseudo instructions that must be expanded (that is, with signed
4883 constants larger than 16 bits).
4885 2000-08-08 Richard Henderson <rth@cygnus.com>
4887 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
4888 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
4889 (init_propagate_block_info): Don't kill memory stores at -O0.
4890 (mark_set_1, mark_used_regs): Likewise.
4892 2000-08-08 David Edelsohn <edelsohn@gnu.org>
4894 * rs6000.c (optimization_options): Decorate 'level' as
4896 (mask64_operand): Remove sign-extend thinko.
4897 (rldic_operand): New function.
4898 (load_multiple_operation): regno's are unsigned ints.
4899 (store_multiple_operation): Likewise.
4900 (lmw_operation): Likewise.
4901 (stmw_operation): Likewise.
4902 (includes_lshift_p): shift_mask is unsigned int.
4903 (includes_lshift64_p): New function.
4904 (addrs_ok_for_quad_peep): unsigned int reg1.
4905 (print_operand): Consistently add "else" after
4906 output_operand_lossage().
4907 (print_operand, case 'b'): Fold in case 'W'.
4908 (print_operand, case 'W'): Print rldic MB value.
4909 (output_epilogue): Update Objective-C language string.
4910 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
4911 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
4912 * rs6000.md (ashldi3): Add rldic instruction.
4913 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
4914 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
4917 2000-08-08 Richard Henderson <rth@cygnus.com>
4919 * config/ia64/ia64-protos.h: Remove duplicates. Update
4920 for massive code rearrangements.
4921 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
4922 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
4923 (ia64_local_regs, ia64_need_regstk): Remove.
4924 (ar_ccv_reg_operand): New.
4925 (ia64_gp_save_reg): New.
4926 (struct ia64_frame_info): Combine most of the size elements;
4927 add new gr save elements.
4928 (find_gr_spill): New.
4929 (next_scratch_gr_reg): New.
4930 (mark_reg_gr_used_mask): New.
4931 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
4932 to GR backing store regs when possible.
4933 (ia64_initial_elimination_offset): New.
4934 (ia64_rap_fp_offset): Remove.
4935 (save_restore_insns): Remove.
4936 (setup_spill_pointers): New.
4937 (finish_spill_pointers): New.
4938 (spill_restore_mem): New.
4939 (do_spill, do_restore): New.
4940 (ia64_expand_prologue): Rewrite to use them.
4941 (ia64_expand_epilogue): Likewise.
4942 (ia64_direct_return): Update for current_frame_info changes.
4943 (ia64_function_prologue): Simplify .prologue emission. Emit
4945 (ia64_setup_incoming_varargs): Don't ever emit rtl.
4946 (ia64_dbx_register_number): New.
4947 (ia64_initialize_trampoline): New.
4948 (ia64_secondary_reload_class): Request GR_REGS for integer
4949 arithmetic destined for FR_REGS.
4950 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
4951 (ia64_mark_machine_status): Mark ia64_gp_save.
4952 (rws_access_regno): Rename from rws_access_reg; don't treat
4953 predicates specially.
4954 (rws_access_reg): New. Update all callers.
4955 (rtx_needs_barrier): Remove dead unspecs.
4956 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
4957 (ia64_encode_section_info): Silence signed/unsigned warnings.
4958 (spill_offset, sp_offset, spill_offset_emitted): Remove.
4959 (tmp_reg, tmp_saved): Remove.
4960 (process_set): Rewrite to expect complicated bits via
4961 REG_FRAME_RELATED_EXPR.
4962 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
4963 in the use of ar.ccv; never set RTX_UNCHANGING_P.
4964 (ia64_expand_op_and_fetch): Likewise.
4965 (ia64_expand_compare_and_swap): Likewise.
4966 (ia64_expand_builtin): Likewise.
4967 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
4968 (FIRST_PSEUDO_REGISTER): Update.
4969 (AR_M_REGNO_P): Update.
4970 (FIXED_REGS): Don't mark three local registers as used.
4971 (EXTRA_CC_MODES): New.
4972 (SELECT_CC_MODE): New.
4973 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
4974 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
4975 (FRAME_GROWS_DOWNWARD): Unset.
4976 (STARTING_FRAME_OFFSET): Zero.
4977 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
4978 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
4979 (HARD_FRAME_POINTER_REGNUM): New.
4980 (CAN_DEBUG_WITHOUT_FP): Define.
4981 (TRAMPOLINE_TEMPLATE): Remove.
4982 (TRAMPOLINE_SIZE): Lower to 32.
4983 (TRAMPOLINE_ALIGNMENT): Lower to 64.
4984 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
4985 (PREDICATE_CODES): Update.
4986 (struct machine_function): Add ia64_gp_save.
4987 * config/ia64/ia64.md: Purge unused unspecs.
4988 (movsi patterns): Allow moves to/from AR_M_REGS.
4989 (movdi patterns): Allow moves to/from p0.
4990 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
4991 (gr_spill, gr_restore): Indicate ar.unat read/written.
4992 (nonlocal_goto): Don't pass old frame_pointer.
4993 (nonlocal_goto_receiver): Remove.
4994 (exception_receiver): New.
4995 (builtin_setjmp_setup): New.
4996 (builtin_setjmp_receiver): New.
4997 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
4998 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
4999 (__ia64_restore_stack_nonlocal): Likewise.
5000 (__ia64_trampoline): New.
5001 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
5003 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
5005 2000-08-08 Richard Henderson <rth@cygnus.com>
5007 * frame.h (ia64_frame_state): Add my_psp.
5008 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
5009 (__throw): Pass it in. Don't clobber r7.
5010 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
5011 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
5012 and nothing to do with sp.
5013 (normalize_reg_loc): Use frame->my_psp.
5014 (frame_translate): Handle frame-pointer-less functions. Set
5015 spill_base correctly, in absence of being told.
5016 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
5017 (__ia64_backtrace_helper): New sp argument. Use
5018 builtin_return_address instead of label addresses.
5019 (print_record) [mem_stack_v]: No size member.
5021 2000-08-08 Richard Henderson <rth@cygnus.com>
5023 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
5025 2000-08-08 Richard Henderson <rth@cygnus.com>
5027 * tm.texi (LOCAL_REGNO): Document.
5028 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
5029 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
5030 * reload1.c (reload): Likewise when considering nonlocal labels.
5032 * config/ia64/ia64.h (LOCAL_REGNO): New.
5033 * config/sparc/sparc.h (LOCAL_REGNO): New.
5035 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
5037 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
5039 2000-08-07 Nick Clifton <nickc@redhat.com>
5041 * config/mips/mips.c: Fix compile time warning messages.
5042 * config/mips/mips-protos.h: Add prototype for equality_op.
5044 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
5046 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
5048 * mn10300.md: Use nonimmediate_operand instead of general_operand
5051 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
5053 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
5055 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
5056 * sh.c (expand_block_move): Break long lines.
5057 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
5058 * sh.md (mulsi3): Likewise.
5059 (movdi): Adjust spacing.
5061 2000-08-07 Richard Henderson <rth@cygnus.com>
5063 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
5064 * expr.c (emit_group_store): Don't set it.
5066 2000-08-07 Kazu Hirata <kazu@hxi.com>
5068 * invoke.texi (Options for Debugging Your Program or GCC): Remove
5069 duplicate entries for 'w' and 'z'.
5071 * flow.c: Fix a comment typo.
5073 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
5075 * c-parse.in: Changed the language string for Objective-C to "GNU
5078 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
5080 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
5081 to improve the Posix thread support for Objective-C.
5083 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
5085 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
5086 CTI_UNSIGNED_PTRDIFF_TYPE.
5087 (signed_size_type_node): Define.
5088 (unsigned_ptrdiff_type_node): Define.
5089 * c-decl.c (init_decl_processing): Create the
5090 signed_size_type_node and unsigned_ptrdiff_type_node types.
5091 * c-common.c (T_SC): Define.
5094 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
5095 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
5097 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
5098 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
5099 flags for %c, %s and %[.
5100 (check_format_info): Only allow leniency for signedness of targets
5101 of character pointers (when pedantic) for formats flagged with
5102 "c", so for strings but not for %hh formats. When pedantic, don't
5103 allow character pointers to substitute for void pointers if a
5104 second level of indirection is present.
5106 2000-08-06 Kazu Hirata <kazu@hxi.com>
5108 * invoke.texi (Options for Debugging Your Program or GCC): Update
5109 the names of dump files.
5111 * h8300.c (dosize): Rearrange code for conciseness.
5112 (split_adds_subs): Likewise.
5114 * loop.c: Fix formatting.
5116 * dwarf2out.c: Fix formatting.
5118 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
5120 * expr.c: Fix formatting.
5122 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5124 * rs6000.c (rs6000_maybe_dead): Prototype.
5126 2000-08-06 Richard Henderson <rth@cygnus.com>
5128 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
5129 HAVE_nonlocal_goto as well.
5130 * config/i960/i960.md (nonlocal_goto): Don't do it here.
5131 * config/pj/pj.md (nonlocal_goto): Likewise.
5133 2000-08-07 Michael Hayes <mhayes@cygnus.com>
5135 * loop.c (try_swap_copy_prop): New function.
5136 (load_mems): Rename copies to load_copies and add new regset
5137 store_copies. Check for sets of shadow registers and mark
5138 in store_copies. Call try_swap_copy_prop for registers
5139 marked in store_copies.
5141 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
5143 * objc/objc-act.c: New command line option -fconstant-string-class
5144 to allow specifying a user defined constant string class,
5145 different from NXConstantString.
5147 * toplev.c: Moved the Objective-C specific options to
5148 objc/lang-options.h.
5150 * objc/lang-options.h: Moved the Objective-C specific options from
5151 toplev.c. Added -fconstant-string-class.
5153 2000-08-05 Chris Demetriou <cgd@sibyte.com>
5155 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5156 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
5157 __CTOR_LIST__ from func_ptr array to just func_ptr, to
5158 avoid extra alignment imposed on arrays.
5159 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5160 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
5162 * mips.h: Clean up comments and spacing near MASKs.
5163 (TARGET_UNIX_ASM): Delete.
5164 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
5165 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
5168 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
5170 * c-common.c (print_char_table): Add entries for the X/Open '
5171 format flag (print decimals with locale's thousands grouping
5172 character). Make %C expect wint_t.
5173 (check_format_info): If pedantic, warn when the %n$ operand
5174 number form is used. Allow for the ' flag; warn about it if
5177 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
5179 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
5180 type is a float mode, cfun->decl's return type is not, and
5181 TARGET_FLOAT_RETURNS_IN_80387.
5183 2000-08-04 Andreas Schwab <schwab@suse.de>
5185 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
5186 token list, which are always `#' and `pragma'.
5188 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
5190 * tree.c (tree_expr_nonnegative_p): Move to...
5191 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
5192 (rtl_expr_nonnegative_p): New.
5193 * tree.h: Add prototype for rtl_expr_nonnegative_p.
5195 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
5196 CONST_DOUBLE_CHAIN: Move to...
5197 * rtl.h: ...here. Use XCINT/XCEXP.
5199 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
5200 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
5201 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
5204 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
5206 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5208 * config/c4x/c4x.md (return_indirect_internal): New.
5209 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
5211 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5213 * c-common.c (time_char_table): Mark up formats added in C99 and
5214 make other corrections. %D and %g were added in C99. %Og is an
5215 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
5216 C99. %e was added in C99. %Oj is an extension. %G and %z are in
5217 C99 rather than GNU extensions, but %OG and %Oz are extensions.
5218 %h was added in C99. %C was added in C99. %OY and %OC are
5219 extensions. Add the C99 format %F.
5220 (check_format_info): If pedantic and not in C99 mode, warn for C99
5223 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5225 * function.c (schedule_fixup_var_refs): New function, broken out
5226 of put_reg_into_stack.
5227 (put_reg_into_stack): Use it.
5228 (put_var_into_stack): In CONCAT case, fixup up references for
5229 components only after fixing up references to the whole concat.
5231 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
5233 * alias.c (mark_constant_function): Use INSN_P.
5234 (init_alias_analysis): Likewise.
5235 * combine.c (combine_instructions): Use INSN_P.
5236 (can_combine_p): Likewise.
5237 (try_combine): Likewise.
5238 (distribute_notes): Likewise.
5239 (distribute_links): Likewise.
5240 * cse.c (cse_around_loop): Use INSN_P.
5241 (invalidate_skipped_block): Likewise.
5242 (cse_set_around_loop): Likewise.
5243 (cse_end_of_basic_block): Likewise.
5244 (delete_trivially_dead_insns): Likewise.
5245 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
5246 (unshare_all_rtl_1): Likewise.
5247 (next_cc0_user): Likewise.
5248 (try_split make_insn_raw): Likewise.
5249 (remove_unnecessary_notes): Likewise.
5250 * final.c (shorten_branches): Use INSN_P.
5251 (leaf_renumber_regs): Likewise.
5252 (leaf_renumber_regs_insn): Likewise.
5253 * flow.c (find_label_refs): Use INSN_P.
5254 (verify_wide_reg): Likewise.
5255 (notice_stack_pointer_modification): Likewise.
5256 (count_or_remove_death_notes): Likewise.
5257 (verify_flow_info): Likewise.
5258 (clear_log_links): Likewise.
5259 * function.c (fixup_var_refs_insns): Use INSN_P.
5260 (compute_insns_for_mem): Likewise.
5261 * gcse.c (alloc_gcse_mem): Use INSN_P.
5262 (compute_sets): Likewise.
5263 (compute_hash_table): Likewise.
5264 (classic_gcse): Likewise.
5266 (insert_insn_end_bb): Likewise.
5267 (delete_null_pointer_checks_1): Likewise.
5268 * global.c (expand_preferences): Use INSN_P.
5269 (build_insn_chain): Likewise.
5270 * graph.c (node_data): Use INSN_P.
5271 * haifa-sched.c (priority): Use INSN_P.
5272 (rm_line_notes): Likewise.
5273 (rm_other_notes): Likewise.
5274 (find_insn_reg_weight): Likewise.
5275 (init_target_units): Likewise.
5276 (schedule_block): Likewise.
5277 (compute_block_forward_dependences): Likewise.
5278 (debug_dependencies): Likewise.
5279 (set_priorities): Likewise.
5280 * integrate.c (function_cannot_inline_p): Use INSN_P.
5281 (save_parm_insns): Likewise.
5282 (copy_insn_list): Likewise.
5283 * jump.c (mark_all_labels): Use INSN_P.
5284 (never_reached_warning): Likewise.
5285 * lcm.c (optimize_mode_switching): Use INSN_P.
5286 * local-alloc.c (validate_equiv_mem): Use INSN_P.
5287 (memref_used_between_p): Likewise.
5288 (update_equiv_regs): Likewise.
5289 (block_alloc): Likewise.
5290 (no_conflict_p): Likewise.
5291 * loop.c (scan_loop): Use INSN_P.
5292 (find_and_verify_loops): Likewise.
5293 (count_loop_regs_set): Likewise.
5294 (loop_reg_used_before_p): Likewise.
5295 (strength_reduce): Likewise.
5296 (recombine_givs): Likewise.
5297 (check_dbra_loop): Likewise.
5298 (load_mems): Likewise.
5299 (try_copy_prop): Likewise.
5300 * print-rtl.c (print_rtx): Use INSN_P.
5301 * recog.c (find_single_use): Use INSN_P.
5302 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
5303 (next_flags_user): Likewise.
5304 (swap_rtx_condition): Likewise.
5305 * regmove.c (mark_flags_life_zones): Use INSN_P.
5306 (optimize_reg_copy_1): Likewise.
5307 (optimize_reg_copy_2): Likewise.
5308 (optimize_reg_copy_3): Likewise.
5309 (reg_is_remote_constant_p): Likewise.
5310 (fixup_match_2): Likewise.
5311 (regmove_optimize): Likewise.
5312 (fixup_match_1): Likewise.
5313 * regrename.c (build_def_use): Use INSN_P.
5314 (replace_reg_in_block): Likewise.
5315 (consider_use): Likewise.
5316 * reload.c (find_equiv_reg): Use INSN_P.
5317 * reload1.c (reload): Use INSN_P.
5318 (maybe_fix_stack_asms): Likewise.
5319 (calculate_needs_all_insns): Likewise.
5320 (reload_as_needed): Likewise.
5321 (emit_output_reload_insns): Likewise.
5322 (delete_address_reloads_1): Likewise.
5323 (reload_cse_regs_1): Likewise.
5324 (reload_combine): Likewise.
5325 (reload_cse_move2add): Likewise.
5326 * reorg.c (redundant_insn): Use INSN_P.
5327 (dbr_schedule): Likewise.
5328 * resource.c (find_dead_or_set_registers): Use INSN_P.
5329 (mark_target_live_regs): Likewise.
5330 * rtlanal.c (reg_used_between_p): Use INSN_P.
5331 (reg_referenced_between_p): Likewise.
5332 (reg_set_between_p): Likewise.
5333 (reg_set_p): Likewise.
5334 (single_set): Likewise.
5335 (multiple_sets): Likewise.
5336 (find_last_value): Likewise.
5337 (reg_set_last): Likewise.
5338 (find_reg_note): Likewise.
5339 (find_regno_note): Likewise.
5340 * sibcall.c (sequence_uses_addressof): Use INSN_P.
5341 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
5342 * ssa.c (find_evaluations): Use INSN_P.
5343 (rename_block): Likewise.
5344 (rename_equivalent_regs): Likewise.
5345 * unroll.c (loop_find_equiv_value): Use INSN_P.
5346 (set_dominates_use): Likewise.
5347 * varasm.c (mark_constant_pool): Use INSN_P.
5348 (mark_constants): Likewise.
5349 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
5350 (alphaev4_next_group): Likewise.
5351 (alphaev5_next_group): Likewise.
5352 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
5353 (c4x_rptb_rpts_p): Likewise.
5354 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
5355 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
5356 (rs6000_adjust_priority): Likewise.
5357 * config/sh/sh.c (sh_loop_align): Use INSN_P.
5358 (machine_dependent_reorg): Likewise.
5359 (split_branches): Likewise.
5360 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
5362 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
5364 * combine.c (recog_for_combine): Remove the old notes
5365 prior to attempting to recognize the new pattern.
5366 (distribute_notes): Ignore REG_NONNEG notes.
5368 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
5370 * varasm.c (output_constructor): Add .align 0 for packed vars.
5372 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5374 * configure.in: Use default thread_file even when enable_threads is
5375 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
5376 * configure: Rebuilt.
5378 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
5380 2000-08-04 Donn Terry (donnte@microsoft.com)
5382 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
5384 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
5386 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
5387 Delete code that conditionally modifies 'version'.
5388 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
5389 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
5390 * gcc.c (main): Use it.
5391 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
5392 * prefix.c (update_path): Use it.
5393 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
5394 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
5395 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
5397 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
5398 (SUBTARGET_SWITCHES): Adjust.
5399 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
5401 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
5403 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5405 * c-common.h (flag_isoc94): Declare.
5406 * c-decl.c (flag_isoc94): Define.
5407 (c_decode_option): Set flag_isoc94 as appropriate.
5408 * c-common.c (T_PD, T_IM, T_UIM): Define.
5409 (format_char_info): Add tlen and jlen.
5410 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
5412 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
5414 (time_char_table): Add NULL entries for %t and %j.
5415 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
5416 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
5417 Warn for printf %lf if pedantic and not C99. Don't warn for empty
5418 precision. Allow precision argument to be unsigned int. If
5419 pedantic, warn for %p passed an argument not a pointer to possibly
5420 qualified void or a possibly qualified character type, and for
5421 pointer targets of the wrong sign, except for character pointers.
5423 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5425 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
5426 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
5427 (wint_type_node): Define.
5428 * c-decl.c (WINT_TYPE): Define.
5429 (init_decl_processing): Create the wint_type_node type.
5430 * c-common.c (T_WI): Define.
5431 (print_char_table): Use T_WI for %lc format.
5433 2000-08-04 Bruce Korb <bkorb@gnu.org>
5435 * fixinc/: Verified that the MSDOS patch does not break
5436 the UNIX functionality and applied the next three patches
5439 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
5441 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
5442 output file with the temporary one by appending ".X" to generate
5443 the temporary fuile's name. If the output file already has an
5444 extension, replace it with ".X".
5446 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
5447 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
5448 reallocate the command buffer while copying the command-line
5449 argument. Redirect the output directly to the temporary file,
5450 instead of going through another temporary file.
5451 (process): Close the temporary file before unlinking it.
5452 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
5453 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
5454 (run_compiles): Pass p_fixd argument to machine_matches, as it
5457 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
5458 environment, assume there are no symlinks in the include
5459 directory. When cleaning up the DONE files, look for them
5460 case-insensitively. Don't try to remove symlinks if they aren't
5463 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
5464 all callers changed. Declare pz "const char *", to avoid compiler
5467 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
5468 Change prototype of make_raw_shell_str.
5470 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
5472 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
5473 (initialize) [__MSDOS__]: Use tempnam.
5474 (initialize): Don't use SIGPIPE if it is not defined.
5476 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
5479 2000-07-25 Bruce Korb <bkorb@gnu.org>
5481 * fixinc/fix*.[ch]: substantially reworked to make it possible
5482 to run this program without using fork(2) or pipe(2) (i.e. in
5485 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5487 * cppdefault.h (WINT_TYPE): Define.
5488 * cppinit.c (builtin_array): Define __WINT_TYPE__.
5489 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
5490 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
5492 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
5494 * (mips_legitimate_address_p): Don't allow register+offset
5495 if the offset is large and negative, and we are compiling
5496 for 64 bit registers.
5498 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5500 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
5501 insn_code_number + 1.
5503 2000-08-04 Kazu Hirata <kazu@hxi.com>
5505 * h8300.c (function_prologue): Rearrange code for conciseness.
5506 (function_epilogue): Likewise.
5507 * h8300.h (OK_FOR_U): Fix formatting.
5509 * cse.c: Fix a comment typo. Fix formatting.
5511 2000-08-03 Richard Henderson <rth@cygnus.com>
5513 * config/i386/i386.md (return_indirect_internal): New.
5514 * config/i386/i386.c (ix86_expand_epilogue): Use it.
5516 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
5518 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
5520 (lex_line): Glue @ onto the beginning of identifiers and
5521 string constants, in Objective-C mode.
5522 (output_token, spell_token): Handle CPP_OSTRING.
5523 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
5524 beginning of a NAME or a STRING, in objc mode.
5526 * cpplib.c (get_define_node): Do not permit identifiers that
5527 begin with @ to be #defined.
5528 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
5529 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
5531 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
5532 * c-tree.h (build_objc_string): Delete prototype.
5533 * objc/objc-tree.def: Delete OBJC_STRING_CST.
5534 * c-lex.c (yylex): Use build_string for all three kinds of strings.
5536 * c-parse.in, objc/objc-act.c: Update commentary.
5538 2000-08-03 Mark Mitchell <mark@codesourcery.com>
5540 * extend.texi: Fix typo in last change.
5542 * extend.texi: Add commentary on statement-expressions and their
5543 interactions with C++.
5545 2000-08-03 Nick Clifton <nickc@cygnus.com>
5547 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
5548 * dwarf.h (LANG_JAVA): Change value to 0x000b.
5550 2000-08-03 Anthony Green <green@cygnus.com>
5552 * dwarf2out.c (gen_compile_unit_die): Add java language support.
5553 (add_bound_info): Check for java language.
5554 (is_java): New function.
5555 * dwarfout.c (output_compile_unit_die): Ditto.
5556 * dwarf.h (dwarf_source_language): Add java source language type.
5557 * dwarf2.h (dwarf_source_language): Ditto.
5559 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
5561 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
5564 * i386.c (ix86_expand_branch): Mode of comparison in
5565 IF_THEN_ELSE is VOIDmode.
5567 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
5569 * gengenrtl.c, rtl.c: Avoid #elif.
5571 2000-08-03 Michael Poole <poole@troilus.org>
5573 * tm.texi (Register Classes): Clarify order of sub-initializers
5574 in REG_CLASS_CONTENTS.
5576 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5578 From SAITOH Masanobu:
5579 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
5581 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
5583 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
5584 is not supported by tradcpp and isn't actually needed for cygwin.
5586 2000-08-03 Kazu Hirata <kazu@hxi.com>
5588 * h8300.c: Fix a comment typo.
5589 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
5591 * jump.c: Fix formatting.
5593 * toplev.c: Fix formatting.
5595 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
5597 * flow.c (find_auto_inc): Verify that we've got a REG before
5598 peeking at its regno. Fail, don't abort if we can't find
5599 the increment of the desired register.
5601 * pa.md (shadd height reduction patterns/splitters): Remove.
5603 2000-08-02 Jim Wilson <wilson@cygnus.com>
5605 * config/ia64/ia64-protos.h (flag_ssa): Declare.
5606 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
5608 2000-08-02 Mark Mitchell <mark@codesourcery.com>
5610 * dce.c: Remove all uses of assert.
5611 * dwarf2out.c: Likewise.
5612 * dwarfout.c: Likewise.
5615 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
5617 * gcc.h (lang_specific_driver): Constify second argument.
5618 * gcc.c (translate_options, process_command, main): Likewise.
5619 Constify variables to match. Cast second argument to
5622 * cppspec.c, gccspec.c: Adjust type of second argument to
5623 lang_specific_driver, and update code as necessary.
5625 2000-08-02 Jakub Jelinek <jakub@redhat.com>
5627 * loop.c (scan_loop): Ensure update_end label does not
5628 go away until reg_scan_update is run.
5630 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
5632 * c-common.h: Prototype min_precision and c_build_qualified_type here...
5633 * c-tree.h: ... not here.
5634 * errors.h: Prototype fancy_abort.
5636 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
5637 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
5638 * regrename.c (regrename_optimize): Make control flow explicit.
5639 (replace_reg_in_block): Initialize reg_use to 0.
5641 * i386.c (legitimate_address_p): Rename error label to
5642 report_error to avoid namespace clash.
5644 2000-08-02 Kazu Hirata <kazu@hxi.com>
5646 * fold-const.c: Fix formatting.
5648 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
5650 * i386.c (legitimate_address_p): Accept other bases than
5651 pic_offset_table_rtx for GOTOFF constructs.
5653 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
5655 * i386.md (shift to lea splitter): Use const_int_operand.
5657 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
5659 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
5660 cppspec.c: Do not use 'legal' or 'illegal' in error messages
5663 * cppmain.c (cb_define, cb_undef): Don't generate any output
5664 if not done_initializing.
5665 * cpplex.c (maybe_paste_with_next): When the token after a ##
5666 is an omitted rest argument, only delete the token before it
5667 if that token is a comma. Do not warn about bogus token
5668 pastes for , ## rest_arg.
5671 * cpp.1: Regenerate.
5673 2000-08-02 Fred Fish <fnf@be.com>
5675 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
5676 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
5679 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
5680 Be directories to search path.
5682 Remove support for __declspec(dllimport) and __declspec(dllexport).
5683 This is leftover cruft from the earlier BeOS gcc port when BeOS
5684 used Microsoft's PE object file format.
5685 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
5686 * config/i386/t-beos (winnt.o): Remove Makefile frag.
5687 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
5688 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
5689 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
5690 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
5691 (REDO_SECTION_INFO_P): Remove.
5692 (ASM_EXPORT_DECL): Remove.
5693 (ASM_DECLARE_FUNCTION_NAME): Remove.
5694 (ASM_DECLARE_OBJECT_NAME): Remove.
5695 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
5696 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
5697 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
5698 (STRIP_NAME_ENCODING): Remove.
5700 Remove support for obsolete version of BeOS that is no longer
5702 * configure.in (i*86-*-beospe*): Remove.
5703 * config/i386/beos-pe.h: Remove.
5705 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
5706 Mark Mitchell <mark@codesourcery.com>
5708 * Makefile.in (OBJS): Added dce.o.
5709 (ssa.o): Updated target to include ssa.h.
5711 (toplev.o): Likewise.
5712 (dce.o): Created target.
5713 * basic-block.h: Added comments.
5714 (INVALID_BLOCK): Added definition.
5715 (connect_infinite_loops_to_exit): Added declaration.
5716 Moved SSA declarations to ssa.h.
5717 * flow.c: Added inclusion of ssa.h.
5718 (struct depth_first_search_dsS, depth_first_search_ds):
5720 (compute_immediate_postdominators): Added definition.
5721 (connect_infinite_loops_to_exit): Likewise.
5722 (flow_dfs_compute_reverse_init): Likewise.
5723 (flow_dfs_compute_reverse_add_bb): Likewise.
5724 (flow_dfs_compute_reverse_execute): Likewise.
5725 (flow_dfs_compute_reverse_finish): Likewise.
5726 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
5727 (LABEL_P): Added definition.
5730 (BARRIER_P): Likewise.
5731 (JUMP_TABLE_DATA_P): Likewise.
5732 (INSN_DEAD_CODE_P): Likewise.
5733 * ssa.c: Replaced inclusions with ssa.h inclusion.
5734 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
5735 (rename_registers): Removed unnecessary variables.
5736 * ssa.h: Created by moving declarations from ssa.c and
5738 * timevar.def: Defined TV_DEAD_CODE_ELIM.
5739 * toplev.c: Added ssa.h inclusion.
5740 (dump_file_index): Added DFI_dce.
5741 (dump_file): Added "dce" entry.
5743 (f_options): Added dce entry.
5744 * invoke.texi: Document -fdce. Emphasize experimental status of
5748 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
5750 * cpperror.c (v_message): Split into _cpp_begin_message and
5751 v_message macro. All callers updated.
5752 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
5755 * cppfiles.c (cpp_syshdr_flags): New function.
5756 (read_include_file): Don't call cpp_output_tokens. Call
5758 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
5759 (cpp_reader_init): Don't initialize token_buffer. Call
5760 _cpp_init_internal_pragmas.
5761 (cpp_cleanup): Don't clear token_buffer.
5762 (cpp_start_read): Don't worry about output from -D processing.
5763 Don't call cpp_output_tokens.
5764 (cpp_finish): Don't dump macros here. Don't call
5766 * cppmacro.c (_cpp_dump_definition): Rename
5767 cpp_dump_definition. Write directly to a FILE *.
5768 (dump_funlike_macro): Delete.
5769 (dump_macro_args): New.
5771 * cpplex.c (TOKEN_LEN): Convert to inline function.
5772 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
5773 cpp_scan_line, _cpp_dump_list): Delete.
5774 (cpp_printf, cpp_output_list): New.
5775 (output_line_command): Don't worry about entering or leaving files.
5776 (cpp_scan_buffer): Just output each token as we hit it.
5777 (process_directive): Don't call cpp_output_tokens.
5778 (_cpp_glue_header_name): Don't use token_buffer.
5779 (output_token, dump_param_spelling): Write directly to a FILE *.
5781 * cpplib.c (pass_thru_directive, dump_macro_name,
5782 pragma_dispatch, do_pragma_gcc): Delete.
5783 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
5784 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
5786 (do_error, do_warning, pragma_dependency): Call
5787 _cpp_begin_message, then cpp_output_list.
5788 (cpp_register_pragma, cpp_register_pragma_space,
5789 _cpp_init_internal_pragmas): New.
5790 (do_pragma): Walk the pragmas table here.
5791 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
5792 do_pragma_dependency): Return void.
5793 (do_pragma_implementation): Moved to cppmain.c.
5795 * cpplib.h: Update prototypes.
5796 (struct cpp_reader): Remove printer, token_buffer,
5797 token_buffer_size, and limit. Add struct cb, and pragmas.
5798 (struct cpp_printer): Remove last_id and written.
5799 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
5800 CPP_ADJUST_WRITTEN): Delete.
5801 * cpphash.h: Update prototypes.
5802 (ufputs): New wrapper.
5804 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
5805 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
5806 (main): Set up callbacks. Register #pragma implementation.
5807 Dump macros from here.
5809 2000-08-01 Geoff Keating <geoffk@cygnus.com>
5811 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
5812 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
5813 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
5814 insns if they have a REG_MAYBE_DEAD note attached.
5815 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
5816 (rs6000_emit_load_toc_table): TOC loads may go dead.
5818 2000-08-01 Jim Wilson <wilson@cygnus.com>
5820 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
5821 type exists before using it. Use number of words as alignment
5823 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
5824 ia64_va_arg): Propagate ia64_function_args changes here.
5826 2000-08-01 Richard Henderson <rth@cygnus.com>
5828 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
5829 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
5831 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
5833 From Joern Rennecke:
5834 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
5835 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
5836 unless TARGET_SH3E is set.
5837 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
5839 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
5840 (ashlsi3_std): New pattern.
5841 (ashlsi3 expander): Use it for TARGET_SH3.
5842 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
5844 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5846 * loop.c (canonicalize_condition): Use destination, not source to
5847 determine SET's mode.
5849 2000-07-31 Mark Mitchell <mark@codesourcery.com>
5851 * flow.c (clear_log_links): Fix typo.
5853 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
5855 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
5856 on targets which need more than one insn for a compare/cbranch
5859 2000-07-31 Jim Wilson <wilson@cygnus.com>
5861 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
5862 when computing offset.
5864 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
5866 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
5868 2000-07-31 Geoff Keating <geoffk@cygnus.com>
5870 * flow.c (clear_log_links): Nuke global_live_at_start and
5871 global_live_at_end data, since if the log_links stuff is invalid
5872 so is global_live_at_*.
5874 2000-07-31 Richard Henderson <rth@cygnus.com>
5876 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
5878 2000-07-31 Jakub Jelinek <jakub@redhat.com>
5880 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
5881 (_cpp_get_token): Don't macro expand a just pasted token if it
5882 was pasted at no_expand_level.
5884 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5886 * cppmacro.c (find_param, count_params, save_expansion):
5887 Permit 'defined' as a macro parameter name.
5889 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5891 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
5892 xcpp to cpp throughout.
5893 (native): Remove unnecessary dependency on cpp.
5895 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
5896 tradcpp to tradcpp0.
5897 (.i spec): Add missing output-file spec to cc1 command line.
5898 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
5900 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5902 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
5903 (implicit_decl_warning): New function.
5904 (implicitly_declare): Use it.
5905 * c-typeck.c (build_external_ref): Use implicit_decl_warning
5906 to complain about implicit decls of builtins.
5908 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
5909 based on pedantic && flag_isoc99, if not already set.
5910 * c-tree.h: Declare mesg_implicit_function_declaration.
5911 Prototype implicit_decl_warning.
5913 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
5915 * Makefile.in (ssa.o): Updated header files in dependences.
5916 * basic-block.h: Added compute_immediate_postdominators declaration.
5917 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
5919 * flow.c (compute_immediate_dominators): Updated comment.
5920 (compute_immediate_postdominators): Added definition.
5921 * rtl.h (HARD_REGISTER_P): Added definition.
5922 * ssa.c: Include additional header files.
5923 (assert): Added definition.
5924 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
5925 include select hard registers.
5926 (ssa_rename_to_insert): Likewise.
5927 (ssa_rename_from_initialize): Likewise.
5928 (ssa_rename_from_lookup): Likewise.
5929 (original_register): Likewise.
5930 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
5931 include select hard reigsters.
5932 (ssa_rename_from_traverse): Likewise.
5933 (ssa_rename_from_free): Likewise.
5934 (ssa_rename_from_print): Likewise.
5935 (ssa_rename_from_print_1): Likewise.
5936 (ssa_rename_from_hash_function): Likewise.
5937 (ssa_rename_from_equal): Likewise.
5938 (ssa_rename_from_delete): Likewise.
5939 (simplify_to_immediate_dominators): Removed in favor of
5940 flow.c:compute_immediate_dominators.
5941 (find_evaluations_1): Modified to work with hard registers.
5942 (insert_phi_node): Likewise.
5943 (insert_phi_nodes): Likewise.
5944 (struct rename_set_data): Updated prev_reg comment.
5945 (create_delayed_rename): Modified to work with hard registers.
5946 (RENAME_NO_RTX): Updated comment.
5947 (apply_delayed_renames): Modified to work with hard registers.
5948 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
5949 (rename_block): Updated to use revised ssa_rename_to interface.
5950 (rename_registers): Updated to use revised ssa_rename_to and
5951 ssa_rename_from interface.
5952 (convert_to_ssa): Revised to use compute_immediate_dominators and
5953 deal with hard registers.
5954 (make_regs_equivalent_over_bad_edges): Modified to work with hard
5955 registers. Added check for illegal unification of hard register.
5956 (make_equivalent_phi_alternatives_equivalent): Modified to work
5957 with hard registers.
5958 (compute_conservative_reg_partition): Likewise.
5959 (coalesce_if_unconflicting): Modified to work with hard registers
5960 and check for conflicting hard registers.
5961 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
5963 (rename_equivalent_regs_in_insn): Modified to work with hard
5965 (record_canonical_element_1): Added definition.
5966 (check_hard_regs_in_partition): Added definition.
5967 (convert_from_ssa): Added data structure deallocation and check
5968 for illegal hard register unification.
5969 (conflict_hard_regs_p): Added definition.
5970 * toplev.c (rest_of_compilation): Added comment.
5972 2000-07-31 Anthony Green <green@redhat.com>
5974 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
5976 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
5978 * builtins.c (expand_builtin_apply): Don't defer pop during
5981 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5983 * calls.c (combine_pending_stack_adjustment_and_call): Only use
5984 preferred_unit_stack_boundary when it is > 1.
5986 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
5988 * c-common.c (init_function_format_info): Add C99 format functions
5991 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
5992 void' or 'register void' as being the special case of 'void' alone
5993 in a parameter list.
5995 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
5996 discarding qualifiers into a plain warning.
5998 2000-07-31 Kazu Hirata <kazu@hxi.com>
6000 * combine.c: Fix formatting.
6002 * h8300.md: Fix formatting.
6004 * local-alloc.c: Fix formatting.
6006 * h8300.c (get_shift_alg): Remove the variable alg.
6007 (emit_a_shift): Rearrange code to improve readability.
6009 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
6011 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
6012 HImode on all architectures and a combination of HImode and SImode
6013 on H8/300H and H8/S.
6015 * h8300.c (split_adds_subs): Rearrange code for conciseness.
6017 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
6019 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
6022 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
6024 * recog.c (extract_insn): Set operand_mode according to
6025 operand if match_operand is VOIDmode.
6027 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6029 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
6031 2000-07-31 Geoff Keating <geoffk@cygnus.com>
6033 * c-parse.in (extdefs): Call ggc_collect between external
6036 2000-07-30 Michael Hayes <mhayes@cygnus.com>
6037 Richard Henderson <rth@cygnus.com>
6039 * Makefile.in (OBJS): Add doloop.o.
6040 * doloop.c: New file.
6042 * final.c (insn_current_reference_address): Return 0 before final.
6043 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
6044 * jump.c (any_uncondjump_p): Likewise.
6045 * loop.c (indirect_jump_in_function): Make static.
6046 (strength_reduce): Call doloop_optimize.
6047 (insert_bct, instrument_loop_bct): Remove.
6048 * loop.h (doloop_optimize): Prototype.
6049 * recog.c (split_all_insns): Split all INSN_P.
6050 * toplev.c (flag_branch_on_count_reg): Default on.
6052 * config/c4x/c4x.c (c4x_optimization_options): Don't set
6053 flag_branch_on_count_reg.
6054 * config/i386/i386.c (override_options): Likewise.
6055 * config/rs6000/rs6000.c (optimization_options): Likewise.
6057 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
6059 (dbra_ge): Remove, as well as all it's splitters.
6061 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
6064 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
6065 (ia64_register_move_cost): Declare.
6066 * config/ia64/ia64.c (ar_lc_reg_operand): New.
6067 (struct ia64_frame_info): Add ar_size.
6068 (ia64_compute_frame_size): Set it.
6069 (save_restore_insns): Save and restore ar.lc.
6070 (ia64_register_move_cost): New, moved from header file. Handle
6071 application registers.
6072 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
6073 (emit_insn_group_barriers): Special case doloop_end_internal.
6074 (ia64_epilogue_uses): Mark ar.lc live at end.
6075 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
6076 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
6077 (FIRST_PSEUDO_REGISTER): Make room.
6078 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
6079 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
6080 (REG_ALLOC_ORDER): Update.
6081 (HARD_REGNO_MODE_OK): Update.
6082 (REGISTER_NAMES): Update.
6083 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
6084 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
6085 (REGNO_REG_CLASS): Update.
6086 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
6087 (REGISTER_MOVE_COST): Move out of line.
6088 (PREDICATE_CODES): Update.
6089 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
6090 (addsi3_plus1_alt, adddi3_plus1_alt): New.
6091 (shladd_elim splitter): Allow constants in the predicate.
6092 (doloop_end, doloop_end_internal): New.
6094 2000-07-30 Richard Henderson <rth@cygnus.com>
6096 * genattrtab.c (struct insn_def): Add lineno member.
6097 (struct insn_ent): Likewise.
6098 (struct attr_desc): Likewise.
6099 (struct delay_desc): Likewise.
6100 (struct function_unit_op): Likewise.
6101 (struct function_unit): Likewise.
6102 (check_attr_value): Use message_with_line.
6103 (check_defs): Likewise.
6104 (expand_units): Likewise.
6105 (check_attr_test): Take a lineno argument.
6106 (gen_attr): Likewise.
6107 (gen_insn): Likewise.
6108 (gen_delay): Likewise.
6109 (gen_unit): Likewise.
6110 (main): Give it to them.
6111 (convert_set_attr_alternative): Take an insn_def argument
6112 instead of num_alt and insn_index.
6113 (convert_set_attr): Likewise.
6114 (write_test_expr): Protect INSN_ADDRESSES load
6115 with INSN_ADDRESSES_SET_P.
6117 2000-07-30 Richard Henderson <rth@cygnus.com>
6119 * flow.c (init_propagate_block_info): Use pc_set.
6121 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
6123 * i386.md (*lea_general_[123]) New insns and splits.
6124 (addsi3 to lea splitter): Handle other modes too.
6125 (shlsi3 to lea splitter): Likewise.
6126 (addhi_1_lea, shlhi_1_lea): New patterns.
6127 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
6129 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
6131 * recog.c (general_operand, nonimmediate_operand): Accept
6132 any mode for VOIDmode CONSTANT_P operands.
6134 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
6136 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
6137 instead of replace_rtx.
6138 * recog.c (validate_replace_rtx_subexp): New function.
6139 * recog.h (validate_replace_rtx_subexp): Declare.
6141 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
6143 * combine.c (simplify_set, make_extraction, make_compound_operation
6144 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
6145 as force_to_mode argument.
6147 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
6149 * combine.c (if_then_else_cond): Be sure that mode fits in
6152 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
6154 * combine.c (record_promoted_value): Allow bitsize of mode
6155 to be equivalent to HOST_BITS_PER_WISE_INT.
6157 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
6159 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
6160 Do not call gen_mode_alignment when mode is BLKmode.
6162 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
6164 * loop.c (express_from_1): Fix call of simplify_gen_binary.
6166 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
6168 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
6169 VOIDmode implies both operands to be VOIDmode.
6170 (simplify_ternary_operation): Compute properly the mode of comparison.
6171 * combine.c (combine_simplify_rtx): Likewise.
6173 2000-07-25 Michael Hayes <mph@paradise.net.nz>
6175 * basic-block.h (struct loops): New field rc_order.
6176 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
6177 (flow_loops_free): Free rc_order.
6178 (flow_depth_first_order_compute): New parameter rc_order.
6179 (flow_loops_find): Allocate rc_order and swap usage with
6182 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6183 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6185 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
6186 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
6187 (nodb_call, return_from_epilogue): Likewise.
6188 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
6189 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
6190 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
6191 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6192 (c4x_valid_type_attribute_p): Likewise.
6193 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
6194 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
6196 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6198 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
6199 and loadhi_big_constant if applicable.
6200 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
6201 and add new splitter.s
6203 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6205 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
6207 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6209 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
6211 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6213 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
6215 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6217 * config/c4x/libgcc.S (divqf3): Improve accuracy.
6219 2000-07-27 Mark Mitchell <mark@codesourcery.com>
6221 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
6222 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
6223 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
6224 (get_prev_bb_note): Likewise.
6225 (remove_scope_notes): Likewise.
6226 * flow.c (commit_one_edge_insertion): Likewise.
6227 (merge_blocks_nomove): Likewise.
6228 (verify_flow_info): Likewise.
6229 * gcse.c (insert_insn_end_bb): Likewise.
6230 * reg-stack.c (emit_swap_insn): Likewise.
6231 * ssa.c (first_insn_after_basic_block_note): New function.
6232 (insert_phi_node): Use it.
6233 (rename_block): Likewise.
6234 (eliminate_phi): Likewise.
6235 (make_regs_equivalent_over_bad_edges): Likewise.
6236 (make_equivalent_phi_alternatives_equivalent): Likewise.
6237 (for_each_successor_phi): Likewise.
6238 (convert_from_ssa): Modify phi-node deletion algorithm.
6240 2000-07-29 Andreas Jaeger <aj@suse.de>
6242 * configure.in (mips*-*-linux*): Use mips*el to check for little
6243 endian MIPS, add tmake_file.
6245 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
6246 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
6247 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
6249 2000-07-28 Richard Henderson <rth@cygnus.com>
6251 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
6252 Sign extend mode size before negating.
6254 2000-07-28 Richard Henderson <rth@cygnus.com>
6256 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
6258 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
6260 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
6261 (cse_insn): Likewise.
6262 (addr_affects_sp_p): Likewise.
6263 * expr.c (move_by_pieces): Likewise.
6264 (clear_by_pieces): Likewise.
6265 * gcse.c (oprs_unchanged_p): Likewise.
6266 * haifa-sched.c (sched_analyze_2): Likewise.
6267 * recog.c (offsettable_address_p): Likewise.
6268 * regclass.c (record_address_regs): Likewise.
6269 * reload.c (find_reusable_reload): Likewise.
6270 (push_reload): Likewise.
6271 (operands_match_p): Likewise.
6272 (decompose): Likewise.
6273 (find_reloads_address_1): Likewise.
6274 (find_inc_amount): Likewise.
6275 * reload1.c (elimination_effects): Likewise.
6276 * resource.c (mark_set_resources): Likewise.
6277 * flow.c (attempt_auto_inc): New function; mostly broken out
6279 (find_auto_inc): Split into two functions and enhanced to
6280 generate POST_MODIFY.
6281 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
6282 * rtl.h (count_all_occurrences): Declare.
6283 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
6285 * rtlanal.c (count_all_occurrences): New function.
6286 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
6287 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
6289 * config/ia64/ia64-protos.h (destination_operand): Declare.
6290 * config/ia64/ia64.c (destination_operand): New function.
6291 (ia64_print_operand): Handle POST_MODIFY.
6292 (rtx_needs_barrier): Likewise.
6293 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
6294 (HAVE_POST_MODIFY_REG): Define to 1.
6295 (MAX_REGS_PER_ADDRESS): Change to 2.
6296 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
6297 (LEGITIMATE_ADDRESS_REG): New helper macro.
6298 (LEGITIMATE_ADDRESS_DISP): Likewise.
6299 (PREDICATE_CODES): Add entry for destination_operand.
6300 * config/ia64/ia64.md (all mov patterns): Use destination_operand
6301 predicate for operand 0.
6303 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6305 * dwarf2out.c: Indent #error directive.
6307 * gbl-ctors.h: Fix typo in comment.
6308 (__do_global_ctors): Prototype.
6310 * gcse.c (record_one_set, pre_delete): Remove unused variables.
6312 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
6313 (print_operand): Initialize variable `t'.
6315 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
6317 * config/arm/arm.md ("call_value"): removed constraints.
6318 Constraints are ignored in expanders.
6319 (*call_value_reg): split =rf into various constraints.
6320 (*call_value_mem): same
6321 (*call_value_symbol): same
6322 (*sibcall_value_insn): same
6324 2000-07-28 Philipp Thomas <pthomas@suse.de>
6326 * install.texi (--enable-nls): Change the description of the NLS
6327 related configure options to match the current state.
6328 (--with-included-gettext): Likewise.
6329 (--enable-maintainer-mode): New description added.
6330 * extend.texi (-fstrict-prototype): Add missing '.'.
6332 2000-07-27 Jim Wilson <wilson@cygnus.com>
6334 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
6335 DECL_INITIAL (decl) == NULL_TREE.
6337 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
6339 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
6340 on insn-attr.h with it.
6341 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
6342 * insn-addr.h: New header.
6343 (insn_addresses_): Renamed from insn_addresses.
6344 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
6345 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
6346 INSN_ADDRESSES_NEW): New macros.
6347 * genattrtab.c (write_test_expr): Use new macros.
6348 * final.c (insn_addresses, init_insn_lengths): Likewise.
6349 (align_fuzz, shorten_branches): Likewise.
6350 (final): Likewise. Do not reject new insns if their addresses
6351 have been added to INSN_ADDRESSES.
6352 * config/arm/arm.c, config/avr/avr.c: Use new macros.
6353 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
6354 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
6355 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
6356 * config/sh/sh.c: Likewise.
6357 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
6359 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
6361 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
6363 * gcc.c (struct prefix_list): Add member priority.
6364 (enum path_prefix_priority): Declare.
6365 (add_prefix): Replace ``first'' with ``priority''. Append new
6366 entry but keep list in priority order.
6367 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
6368 PREFIX_PRIORITY_LAST to add_prefix.
6369 (process_command): Move include kludge - foo/stageN - to before
6372 2000-07-27 Jason Merrill <jason@redhat.com>
6374 * dwarf2out.c (gen_typedef_die): Abort if we get identical
6375 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
6377 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
6379 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
6380 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
6382 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
6384 * c-decl.c (finish_function): Don't treat 'main' specially unless
6385 flag_hosted. In C99 mode, return 0 from 'main' unless
6386 DEFAULT_MAIN_RETURN is otherwise defined.
6388 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
6389 parameters defaulting to int in an old-style function definition.
6391 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6393 * c-parse.in (string): For -Wtraditional, warn about string
6394 concatenation only once per line.
6396 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
6398 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
6399 for HI-UX/WE2 systems.
6401 2000-07-24 Bruce Korb <bkorb@gnu.org>
6403 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
6404 defining the __xxx_TYPE__ macros.
6405 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
6406 * fixincl/fixlib.h: don't need to include "tm.h" anymore
6407 * fixincl/inclhack.def(type_map): now obsolete
6409 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
6411 * cpp.texi: Append a trailing full-stop to xrefs where needed.
6413 2000-07-26 Dave Pitts <dpitts@cozx.com>
6415 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
6417 (mvs_hash_alias): New function.
6418 (mvs_add_alias): Change argument spacing.
6419 (mvs_need_alias): Change aliasing criteria. Added documentation.
6420 (mvs_get_alias): Change to use hashed name. The hashed name prevents
6421 CSECT name collisions.
6422 (mvs_check_alias): Likewise.
6423 (handle_pragma): Change documentation.
6424 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
6425 mode from SImode to DImode.
6426 (iorhi3): Changed LTORG size for insn.
6428 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
6430 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
6431 mem if the address is a mode_dependent_address_p.
6433 2000-07-26 Kazu Hirata <kazu@hxi.com>
6435 * h8300.c (print_operand): Print ":8" when the 'R' operand is
6436 suitable for 8-bit absolute.
6437 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
6438 (OK_FOR_U): Add a case for the 8-bit constant address on the
6441 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
6443 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
6444 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
6445 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
6446 lack of implemented alignment.
6448 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
6450 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
6451 cross-compiling between 64-bit and 32-bit machines.
6453 2000-07-27 Richard Henderson <rth@cygnus.com>
6455 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
6456 (movhicc_astep, movhi_internal_astep): New.
6457 (movsicc_astep, movsi_internal_astep): New.
6458 (movdicc_astep, movdi_internal_astep): New.
6459 (movsfcc_astep, movsf_internal_astep): New.
6460 (movdfcc_astep, movdf_internal_astep): New.
6461 (movxfcc_astep, movxf_internal_astep): New.
6462 (cmovdi_internal_astep, cmovsi_internal_astep): New.
6463 Unify the cmov[ds]i splitters.
6465 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
6467 * real.c (asctoeg): Rename `error' label to unexpected_char_error
6469 2000-07-26 Nick Clifton <nickc@cygnus.com>
6471 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
6472 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
6474 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
6475 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
6477 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
6479 * c-decl.c (finish_enum): Convert enumerations that fit in an
6481 (build_enumerator): In pedantic mode, cast to `int' those that
6484 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
6486 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
6488 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6490 * sh.md (cmpgtdi_t): Must be split.
6491 (cmpgtdi_t+1): New splitter.
6493 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
6495 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
6496 warnings for indented directives even if we are skipping.
6498 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
6500 * invoke.texi (strict-prototypes): Remove.
6501 * extend.texi (Deprecated Features): Add strict-prototypes.
6502 (Backwards Compatibility): New node.
6504 2000-07-25 Jakub Jelinek <jakub@redhat.com>
6506 * config/i386/i386.md (andsi_1+1): Allow HImode.
6507 (andsi_1+2): Require q_regs_operand.
6509 2000-07-25 Jakub Jelinek <jakub@redhat.com>
6511 * config/i386/i386.md (call_pop): Check operands[0],
6512 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
6514 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
6515 (call_value): Likewise.
6517 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
6519 * toplev.c (pipe_closed): Delete.
6520 (crash_signal): New. Generate ICE for a fatal signal.
6521 (float_signal): Call crash_signal outside a float-handler
6523 (main): Install crash_signal as handler for core-dumping signals.
6525 2000-07-25 David Edelsohn <edelsohn@gnu.org>
6527 * rs6000.c (print_operand, case 'T'): New case.
6529 * rs6000.md (call_indirect_aix32): Convert to expander of
6530 scheduled instructions.
6531 (call_indirect_aix64): Likewise.
6532 (call_value_indirect_aix{32,64}): Likewise.
6533 (call, call_value): Invoke expanders for AIX. Fall through to
6535 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
6536 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
6537 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
6538 only "g" constraint.
6539 (call_nonlocal_aix64): Likewise.
6540 (call_value_nonlocal_aix{32,64}): Likewise.
6541 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
6543 (call_value_nonlocal_sysv): New pattern.
6544 (indirect_jump{si,di}): Use new 'T' modifier.
6545 (tablejump{si,di} matchers): Likewise.
6546 (return_internal_{si,di}): Likewise.
6547 (return_eh_{si,di}): Likewise.
6549 2000-07-24 Richard Henderson <rth@cygnus.com>
6551 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
6552 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
6553 * config/ia64/ia64.md (movdi_internal): Use it.
6555 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
6557 * cppexp.c: Warn about unary + if -Wtraditional.
6558 * cpplex.c (lex_line): Always set BOL on the first token of a line.
6560 2000-07-24 Michael Meissner <meissner@redhat.com>
6562 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
6565 2000-07-24 Nick Clifton <nickc@cygnus.com>
6567 * config/arm/arm.c (emit_multi_reg_push): Generate a
6568 REG_FRAME_RELEATED_NOTE that is compatable with the code in
6569 dwarf2out_debug_frame_expr.
6571 2000-07-24 Jason Merrill <jason@redhat.com>
6573 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
6574 UNALIGNED_INT_ASM_OP.
6575 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
6576 a location expression.
6577 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
6578 assume indirect access if we're saving the CFA address exactly.
6580 * Makefile.in (bootstrap): Move -BstageN/ to the end.
6582 2000-07-24 Jakub Jelinek <jakub@redhat.com>
6584 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
6587 2000-07-24 Michael Meissner <meissner@redhat.com>
6589 * invoke.texi (D30V Options): Add d30v options.
6591 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
6593 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
6594 needed by our gcse pass anymore.
6595 (free_pre_mem): Corresponding changes.
6596 (compute_pre_data): Do not call compute_transpout anymore.
6598 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
6599 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
6602 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
6603 (compute_pre_data): Do it here instead.
6605 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
6607 (pre_delete): Corresponding changes.
6609 2000-07-23 Mark Mitchell <mark@codesourcery.com>
6611 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
6612 to figure out whether or not a variable has already been emitted.
6614 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
6616 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
6617 instead of gen_call.
6619 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
6621 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
6623 2000-07-23 Kazu Hirata <kazu@hxi.com>
6625 * h8300.c: Fix formatting.
6627 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
6629 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
6630 for `long' switch expression into a plain warning.
6632 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
6633 (yylex): Don't pedwarn for "inline" in C99 mode.
6635 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
6637 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
6638 ggc_alloc): Likewise.
6639 * bb-reorder.c (dump_scope_forest_1): Likewise.
6641 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
6643 * reload.c (find_reloads_toplev): Add new parameter
6645 (find_reloads): Add new parameter to find_reloads_toplev calls.
6647 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
6649 * collect2.c (main): Typo fixed.
6650 * diagnostic.c: Typo fixed.
6651 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
6652 * eh-common.h: Typo fixed.
6653 * emit-rtl.c (start_sequence): Typo fixed.
6654 * flow.c (find_label_refs): Typo fixed.
6655 (calculate_global_regs_live): Typo fixed.
6656 (mark_regno_cond_dead): Typo fixed.
6657 (create_edge_list): Typos fixed.
6658 (verify_edge_list): Typo fixed.
6659 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
6660 * loop.c (strength_reduce): Typo in function name fixed.
6661 * rtl.h: Added comments. Typo in function name fixed.
6662 * rtlanal.c: Typo in function name fixed.
6663 (insn_dependant_p): Rename to ...
6664 (insn_dependent_p): ... this.
6665 (computed_jumo_p): Typo fixed.
6667 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6669 * system.h (__FUNCTION__): Wrap definition in #ifndef.
6671 2000-07-21 David Edelsohn <edelsohn@gnu.org>
6673 * rs6000.h (SIZE_TYPE): Define.
6675 2000-07-21 Mark Mitchell <mark@codesourcery.com>
6677 * ssa.c (rename_insn_1): Don't rename registers that are
6680 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
6682 * diagnostic.c (trim_filename, fancy_abort): Moved here from
6684 (fatal_function, set_fatal_function): Removed.
6685 (fatal): Don't prepare for or call the fatal_function.
6686 (diagnostic_lock, error_recursion): New.
6687 (diagnostic_for_decl, report_diagnostic): Guard against
6688 re-entering the error reporting routines.
6689 (fancy_abort): Assume function is not NULL.
6691 * errors.c (fancy_abort): New. Assume function is not NULL.
6692 * tradcpp.c (fancy_abort): Assume function is not NULL.
6694 * system.h: Provide default definition of __FUNCTION__.
6695 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
6696 Always use __FUNCTION__ in definition of abort.
6698 * varray.h: Likewise.
6699 * toplev.h: Likewise. Don't prototype set_fatal_function.
6701 2000-07-20 Geoff Keating <geoffk@cygnus.com>
6703 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
6705 * glimits.h: Don't do #if defined for ARCH_PPC.
6707 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
6708 constants of size no larger than a pointer should go in the TOC.
6709 Add 'MODE' parameter.
6710 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
6711 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
6712 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
6713 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
6714 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
6715 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
6716 (rs6000_legitimize_address): Likewise.
6717 (rs6000_emit_move): Likewise.
6718 (rs6000_select_rtx_section): Likewise.
6719 (output_toc): Deal properly with outputting small constants like
6720 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
6721 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
6722 MODE parameter. Put small constants in the TOC.
6724 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
6726 (rs6000_emit_move): When reload calls us with an illegitimate
6727 address, exit early. Move the change_address calls to one place
6728 at the end of the routine. Merge the SImode and DImode expanders.
6729 When called by reload to put an integer into a FP register, force
6732 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
6734 (rs6000_hash_constant): Hash mode too.
6735 (toc_hash_function): Allow for key_mode.
6736 (toc_hash_eq): Structures are different if key_mode differs.
6737 (output_toc): Add 'mode' parameter. Save key_mode.
6738 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
6739 Pass 'mode' parameter.
6740 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
6742 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
6743 for vtable references.
6745 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
6746 choice, don't put integer values in FP regs.
6748 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
6750 * flow.c (verify_flow_info): Revamp code to verify that the
6751 head and end of each basic block are in the insn chain.
6753 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
6755 * gcse.c (record_one_set): Prepend instead of append onto
6756 reg_set_table, making it O(n) instead O(n^2).
6757 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
6758 Use a queue instead of a stack as worklist.
6760 2000-07-20 Kazu Hirata <kazu@hxi.com>
6762 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
6763 * h8300.h (OK_FOR_T): New.
6764 (EXTRA_CONSTRAINT): Support OK_FOR_T.
6765 * h8300.md: Use inc/dec.[wl] for increment/decrement
6766 by 1 and 2 in HI and SI modes.
6768 2000-07-20 Jim Wilson <wilson@cygnus.com>
6770 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
6771 larger than 14 bits.
6773 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
6775 * cppmacro.c (CAN_PASTE_AFTER): New macro.
6776 (count_params): Don't set GNU_REST_ARGS on anything.
6777 (save_expansion): Set PASTE_LEFT only on tokens for which
6778 CAN_PASTE_AFTER is true, or which are named operators.
6780 * cpplex.c (parse_args): Distinguish between a rest argument
6781 given one empty argument, and a rest argument given zero arguments.
6782 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
6783 deletion of previous token based on that.
6784 (get_raw_token): Flatten some control structure.
6786 * cpplib.h (CPP_LAST_EQ): Correct.
6787 (VOID_REST): New token flag.
6788 (GNU_REST_ARGS): Delete.
6790 * tradcpp.c (main): Don't munge -D options.
6791 (make_definition): Bring -D handling in line with cpplib.
6792 (do_define): Strip all leading whitespace from macro definitions.
6794 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
6796 * Makefile.in (tradcpp): Depend on intl.o and version.o.
6798 2000-07-20 Bruce Korb <bkorb@gnu.org>
6800 * fixincl/check.tpl: strip the platform specific types before testing
6801 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
6802 * fixincl/fixincl.tpl: use platform specific types
6803 * fixincl/fixlib.h: include the platform specific types
6804 * fixincl/inclhack.def(gnu_types): don't supply the types
6805 * fixincl/fixincl.x: regen
6807 2000-07-19 Jim Wilson <wilson@cygnus.com>
6809 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
6812 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
6814 * tradcpp.c (rescan): Do not recognize directives when the #
6817 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
6819 Implement C++ named operators.
6821 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
6822 of operators allowed in #if and having an _EQ variant. Add
6823 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
6824 (cpp_token flags): Add NAMED_OP.
6825 (enum node_type): Add T_OPERATOR.
6826 (struct cpp_hashnode): Add code slot to value union.
6827 * cpphash.h (spec_nodes): Remove n_defined.
6829 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
6830 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
6831 (is_macro_disabled): Tweak error messages.
6833 * cpplib.c (get_define_node): Disallow all named operators as
6834 macro names. Tweak error messages.
6835 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
6837 * cppinit.c (builtin_array): Add entries for the named operators.
6838 * cppexp.c (lex): Check for CPP_DEFINED token.
6839 (priority table): Add entries for CPP_MIN and CPP_MAX.
6840 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
6842 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
6844 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
6845 larger than the array of cuids.
6846 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
6849 2000-07-19 Bruce Korb <bkorb@gnu.org>
6851 * fixinc/fixincl.c: Convert to using a table of environment variables
6852 and activate the auto-edit marker on the fixed output files.
6853 * fixinc/fixlib.h: Define the environment table
6854 * fixinc/fixincl.sh: export the ${INPUT} dir
6855 * fixinc/check.tpl: likewise
6857 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
6859 * gcc.c (.h spec): Fix typo.
6861 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
6863 * Makefile.in: Fix tradcif.c path.
6865 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
6867 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
6870 * cpphash.h (TOKEN_NAME): New macro.
6871 (_cpp_spell_operator): Deleted.
6872 (token_spellings): Now _cpp_token_spellings.
6874 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
6875 * cpplex.c: Use OP and TK macros when expanding the
6876 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
6877 store the stringification of the enumeration name (CPP_CHAR,
6878 etc.) in the name slot of token_spellings.
6879 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
6880 token_spellings directly.
6881 * cpplib.c: Use TOKEN_SPELL.
6883 * cpplex.c (_cpp_push_token): If the token being pushed back
6884 is the previous token in this context, just subtract one from
6886 * cppmacro.c (save_expansion): Clear aux field when storing a
6889 2000-07-18 Jakub Jelinek <jakub@redhat.com>
6891 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
6892 buffer, provided it is not NULL.
6894 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
6896 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
6897 case of invalid volatile re-declaration.
6899 2000-07-18 Jakub Jelinek <jakub@redhat.com>
6901 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
6902 (expand_call): Adjust caller.
6904 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
6906 * diagnostic.h (report_diagnostic): Change prototype.
6908 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
6909 diagnostic_for_decl): Change prototype.
6910 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
6911 error, warning, error_with_file_and_line,
6912 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
6913 Adjust call to report_diagnostic, diagnostic_for_decl.
6914 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
6915 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
6917 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
6918 varaible argument list.
6920 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
6922 * cpphash.c: Don't include hashtab.h. Most macro-handling code
6923 moved to cppmacro.c.
6924 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
6925 dump_hash_helper): Delete.
6926 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
6927 cpp_forall_identifiers): New. Implement specialized version of
6928 Vlad's expandable hash table.
6929 (cpp_lookup): Use new functions.
6930 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
6932 * cppmacro.c: New file.
6933 * cppinit.c (dump_macros_helper): New.
6934 (cpp_finish): Iterate over the identifier table directly.
6935 * cpplex.c (parse_name): Calculate the hash of the identifier
6936 while we scan it. Use _cpp_lookup_with_hash when we can.
6938 * cpphash.h: Update prototypes.
6939 (xcnewvec, HASHSTEP): New helper macros.
6940 * cpplib.h: Update prototypes.
6941 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
6942 (cppmacro.o): New rule.
6943 (cpphash.o): Update deps.
6945 * cppmain.c: Do not set pfile->printer if no_output is on.
6947 2000-07-15 Neil Booth <neilb@earthling.net>
6949 * cpplib.c: Change all directive-handler functions to return
6951 * cpphash.h: Update typedefs.
6953 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
6955 * configure: Regenerate.
6957 * extend.texi (Extended Asm): Mention that a memory clobber
6958 does not count as a side-effect.
6960 * unroll.c (copy_loop_body): Fix one instance of using host
6961 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
6964 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
6966 2000-07-17 Richard Henderson <rth@cygnus.com>
6968 * config/ia64/ia64.md (movdi): Split out load address code.
6969 New post-reload splitter for symbolic operands.
6970 (movdi_internal): Abort if we didn't split symbolic operands
6971 when we should have.
6972 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
6973 (ia64_reorg): Split insns when not optimizing.
6974 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
6976 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
6978 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
6979 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
6981 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
6983 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
6985 2000-07-17 Jason Merrill <jason@redhat.com>
6987 * Makefile.in (clean): Remove libgcc directory.
6989 * configure.in (-Wno-long-long check): Use higher-level macros.
6991 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
6993 * simplify-rtx.c (simplify_binary_operation): Recognize
6994 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
6995 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
6996 a CONST_INT, it will always be zero.
6998 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
7000 * loop.c (check_dbra_loop) : Return if more than one condition is
7001 present to control the loop.
7003 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
7005 * mips.c (mips_expand_prologue): Don't calculate the last argument
7006 register unless we need it. When we are calculating this, make
7007 sure FUNCTION_ARG is giving us a REG.
7009 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7011 * flow.c (libcall_dead_p): Use single_set to verify the insn
7012 has only one set and get for analysis.
7013 (propagate_one_insn): Don't pass the PATTERN of the insn.
7015 2000-07-17 Mark Klein <mklein@dis.com>
7017 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
7019 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7021 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
7022 * configure.in (TARGET_GETGROUPS_T): Evaluate.
7023 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
7024 of second argument of getgroups.
7025 * configure, config.in: Rebuilt.
7027 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
7029 * simplify-rtx.c (simplify_relational_operation): Two signed
7030 values with equal high words are less/greater than each other if
7031 their low words are less/greater when considered as unsigned.
7033 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
7035 * configure.in (vax-*-openbsd): Change to new style configuration,
7036 add collect2/float_format information.
7037 * configure: Rebuilt.
7038 * config/vax/openbsd1.h: New.
7039 * config/vax/openbsd.h: New.
7040 * config/vax/t-openbsd: New.
7042 2000-07-17 Chip Salzenberg <chip@valinux.com>
7044 * c-common.c (shorten_compare): Quiet warnings about unsigned
7045 comparisons with zero when they occur in a system header.
7047 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7049 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
7050 update to describe current practice.
7052 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
7054 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
7055 references to C9X. Change references to -fstd and -flang-isoc9x
7058 * c-common.c (scan_char_table): Allow "z" length modifiers on
7060 (check_format_info): Use TYPE_DOMAIN on the type matched against
7061 for "z" formats, to retrieve the language size_t rather than the
7064 * c-common.c (check_format_info): Do not make a pedantic objection
7065 to the 'L' length modifier if used with a floating point type
7068 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
7069 constants in C99 mode.
7071 2000-07-17 Kazu Hirata <kazu@hxi.com>
7073 * h8300.md: Fix the format of mac.
7074 (movsi_h8300hs): Output a tab after stmac instead of a space.
7076 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
7077 profitable adds/subs sequences.
7079 * fold-const.c: Fix comment typos.
7081 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
7083 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
7085 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7087 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
7089 2000-07-16 Neil Booth <NeilB@earthling.net>
7091 * cpplex.c: Update comments.
7092 * README.Portability: Small update.
7094 2000-07-16 Neil Booth <NeilB@earthling.net>
7096 * README.Portability: Small update.
7098 2000-07-15 Richard Henderson <rth@cygnus.com>
7100 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
7101 * config/ia64/ia64.c (ia64_move_ok): New function.
7102 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
7103 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
7105 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
7107 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
7108 immediately following a paste operator.
7109 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
7110 (cpp_reader_init): Call it, if HOST_EBCDIC.
7111 (cpp_handle_options): Do not sort option list here.
7112 (handle_option): Rename to cpp_handle_option and export.
7113 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
7114 _cpp_get_token directly.
7115 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
7116 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
7117 * cpplib.h: Prototype cpp_handle_option. Update prototype of
7120 2000-07-15 Richard Henderson <rth@cygnus.com>
7122 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
7123 cast around an expression. Tidy other unsigned tests.
7125 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
7127 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
7128 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
7129 (v_message_with_decl): Rename to ...
7130 (format_with_decl): ... this. Tweak
7131 (diagnostic_for_decl): New function.
7132 (fatal_io_error): Use verbatim in lieu of notice.
7133 (announce_function): Use verbatim.
7134 (default_print_error_function): Likewise.
7135 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
7138 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7140 * mips.c (function_arg_pass_by_reference): Don't do automatic
7141 aggregate initialization.
7142 (machine_dependent_reorg): Initialize variable `mode'.
7144 * mips.md (absdi2): Change variable `regno1' to unsigned int.
7145 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
7146 conflicts with sys/param.h macro of the same name.
7147 (reload_outdi): Likewise.
7149 2000-07-15 Michael Meissner <meissner@redhat.com>
7151 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
7152 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
7153 create a new node instead.
7155 2000-07-15 Neil Booth <NeilB@earthling.net>
7157 * README.Portability: Correct example about calling a function
7158 through a pointer to function. Format wide paragraphs.
7160 2000-07-15 Michael Meissner <meissner@redhat.com>
7162 * README.Portability: Update integer suffixes and function
7165 2000-07-15 Neil Booth <NeilB@earthling.net>
7167 * README.Portability: Small update.
7169 2000-07-15 Neil Booth <NeilB@earthling.net>
7171 * README.Portability: New file.
7173 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
7175 * INSTALL: Give special instructions for building GCC on Irix 6.
7176 * config/mips/x-iris6 (CC): Don't set it.
7179 2000-07-14 Jason Merrill <jason@redhat.com>
7181 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
7182 register in the stack and later in another register, use the new
7185 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
7187 * config/mips/mips.md: (absdi2): Handle sign_extend for
7190 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
7192 * cpplib.c (do_pragma_dependency): Tidy warning messages.
7194 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
7196 * .cvsignore: Correct typo.
7198 2000-07-13 Mark Mitchell <mark@codesourcery.com>
7200 * .cvsignore: Add generated YACC files.
7201 * objc/.cvsignore: New file.
7203 2000-07-14 Neil Booth <NeilB@earthling.net>
7205 * cpplex.c (adjust_column): New funcion.
7206 (skip_whitespace): Use it.
7207 (skip_block_comment): Use it, and warn about /*/* with
7210 2000-07-14 Neil Booth <NeilB@earthling.net>
7212 * cpphash.c (struct macro_info): Add new members.
7213 (_cpp_free_definition): Delete the macro directly.
7214 (count_params): Return void, with first token of
7215 expansion in struct macro_info on success.
7216 (parse_define): Return int. Hoist syntax checking from
7217 save_macro_expansion. Leave call to save_expansion to
7218 _cpp_create_definition.
7219 (alloc_macro): Needs just 2 arguments.
7220 (free_macro): Delete.
7221 (save_expansion): Don't perform syntax check.
7222 (_cpp_create_definition): Call save_expansion.
7224 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7226 * genrecog.c (write_header): Split long string.
7228 * cpphash.c (macro_info): Don't use the `signed' keyword.
7230 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
7232 2000-07-13 Jakub Jelinek <jakub@redhat.com>
7234 * calls.c (stored_args_map): New variable.
7235 (check_sibcall_argument_overlap_1): New.
7236 (check_sibcall_argument_overlap): New.
7237 (expand_call): Initialize stored_args_map.
7238 Call check_sibcall_argument_overlap.
7240 2000-07-13 Bruce Korb <bkorb@gnu.org>
7242 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
7243 (emit_gnu_type): utility procedure for gnu_type_fix
7244 (gnu_type_fix): implement various pre-processor guards around
7245 standard types so these types can be defined over and over
7246 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
7247 types alluded to above will have GNU-compliant base types
7248 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
7249 * fixinc/inclhack.def: add test_text entries and utilize the new
7250 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
7251 * fixinc/fixincl.x: regenerate
7253 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7255 * diagnostic.c (vline_wrapper_message_with_location,
7256 v_message_with_file_and_line, v_error_with_file_and_file,
7257 v_error_for_asm, v_warning_for_asm, vfatal,
7258 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
7259 vsorry, verror, vwarning, vpedwarn): Remove.
7260 (diagnostic_for_asm): New function.
7261 (pedwarn, error, warning, pedwarn_with_file_and_line,
7262 error_with_file_and_line, warning_with_file_and_line, sorry,
7263 error_for_asm, warning_for_asm, fatal): Reimplement.
7264 (finish_diagnostic): Clear diagnostic info as well.
7266 2000-07-13 Neil Booth <NeilB@earthling.net>
7268 * c-common.h (flag_digraphs): New.
7269 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
7270 * c-lex.c (yylex): Use flag_digraphs to decide whether to
7273 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
7275 * gcc.c (do_spec_1): Add new %B operator.
7276 (set_input): Prepare for %B.
7278 (link_command_spec): Move up with the other tm.h-
7279 overrideable specs. Factor out the portion conditional on
7280 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
7281 (struct compiler): Just have a single spec string. All users
7283 (default_compilers): Remove unnecessary braces.
7284 (static_specs): Update.
7286 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
7288 (C and assembly specs): Use the new named specs, as appropriate.
7290 * objc/lang-specs.h: Use the new named specs.
7291 Remove unnecessary braces.
7293 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7295 * gcc.c (execute): If a subprocess gets a fatal signal, report
7296 strsignal() of the signal number, and ask for a bug report.
7297 Do not do this for SIGPIPE if there's already been an error.
7299 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
7302 * tradcif.c: Remove.
7304 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7306 * final.c (profile_function): Do not emit profile counters in
7307 the data section, if NO_PROFILE_COUNTERS is defined.
7308 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
7311 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
7312 (FUNCTION_PROFILER): Just emit a call to mcount.
7314 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7316 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
7318 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
7319 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
7320 traditional, lang_chill, or lang_fortran.
7322 * cppfiles.c: #undef strcmp to suppress warning about macros
7323 used without arguments.
7324 (_cpp_execute_include): Use f, not fname, in "No include path"
7326 (_cpp_pop_file_buffer): New function.
7327 * cpplib.c: Don't include <sys/mman.h>.
7328 (cpp_push_buffer): Set line_base and lineno in new buffer.
7329 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
7331 * cpplex.c: Move all prototypes and structure declarations to the
7332 top of the file. Properly parenthesise some macro arguments.
7333 (cpp_scan_line): New function.
7334 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
7335 don't need to walk up the stack counting.
7337 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7339 * c-common.c (combine_strings): Emit a pedantic warning when a
7340 string length is greater than the minimum ANSI C is required
7343 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
7345 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
7346 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
7348 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7350 * c-decl.c (define_label): Warn about identifier conflicts with
7351 labels in traditional C.
7353 * c-parse.in (unop +): Warn about the unary plus operator for
7356 * c-typeck.c (store_init_value): Warn about automatic aggregate
7357 initialization for traditional C.
7359 * invoke.texi (-Wtraditional): Document new warnings.
7361 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
7363 * Makefile.in (c-errors.o): Fix thinko in dependency.
7365 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7367 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
7368 -traditional, -ftraditional, or -traditional-cpp was given.
7369 Do not pass -traditional to the preprocessor.
7370 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
7371 preprocessor does it automatically.
7372 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
7374 * ch/lang-specs.h: Always use tradcpp. Do not pass
7375 -traditional, -trigraphs, or -pedantic to the preprocessor.
7376 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
7379 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7381 * cppexp.c (LOGICAL): Delete macro.
7382 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
7385 * cpphash.c (HASHSIZE): Increase to 4096.
7386 (struct hashdummy): Add hash field.
7387 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
7388 the string values using memcmp.
7389 (cpp_lookup): Set dummy.hash.
7391 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
7393 * configure.in (m88k-openbsd): Express configuration using new fragment
7395 * configure: Rebuilt.
7396 * m88k/aout-dbx.h: New.
7397 * m88k/openbsd.h: New.
7398 * m88k/xm-openbsd.h: New.
7400 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7402 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
7404 2000-07-12 Richard Henderson <rth@cygnus.com>
7406 * reload.c (push_secondary_reload): Make sure to add the new
7407 reload at the end, after acquiring secondary memory.
7409 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7411 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
7413 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
7414 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
7416 * c-parse.in (stmt): Delete unused variables.
7418 * convert.c (convert_to_vector): Likewise.
7420 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
7422 * tree.c (finish_vector_type): Prototype.
7424 2000-07-12 Bruce Korb <bkorb@gnu.org>
7426 * fixinc/fixfixes.c: use xmalloc
7427 * fixinc/fixincl.c(initialize): set program name for xmalloc
7428 * fixinc/fixlib.c(must_malloc): obsolete
7429 (is_cxx_header): no longer used - disabled
7430 (skip_quote): inserted and disabled for future use
7431 * fixinc/fixlib.h: reflects above
7432 * fixinc/fixtests.c: removed dinkleberries
7434 2000-07-12 Neil Booth <NeilB@earthling.net>
7436 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
7437 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
7439 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
7440 struct toklist_dummy): New.
7441 (cpp_free_definition): Free macros with free_macro.
7442 (count_params): Don't save paramter spellings. Save macro
7443 information in a struct macro_info.
7444 (parse_define): Don't allocate a token list.
7445 (save_expansion): Allocate the macro's token list, and
7446 save parameter spellings if necessary. Use TOKEN_SPELL.
7447 (cpp_create_definition): Make list const.
7449 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
7451 * c-typeck.c (pedwarn_c99): Move to
7452 * c-errors.c: ... Here.
7453 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
7454 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
7455 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
7456 (c-errors.o): List dependency.
7458 2000-07-12 Mark Mitchell <mark@codesourcery.com>
7460 * c-parse.c: Remove.
7461 * c-parse.h: Likewise.
7462 * c-parse.y: Likewise.
7463 * objc/objc-parse.c: Likewise.
7464 * objc/objc-pasre.y: Likewise.
7466 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
7468 * gcc.texi: Fix minor typos
7469 * extend.texi: Fix minor typos
7471 2000-07-11 Marc Espie <espie@openbsd.org>
7473 * collect2.c (main): Recognize .lo as object files.
7475 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7477 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
7480 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
7481 with MAP_ANONYMOUS and MAP_ANON.
7482 * configure, config.in: Rebuilt.
7484 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
7486 * diagnostic.c (save_output_state): Remove.
7487 (restore_output_state): Likewise.
7488 (clear_text_info): New function.
7489 (clear_diagnostic_info): Likewise.
7490 (output_text_length, is_starting_newline, output_prefix,
7491 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
7492 prefixing_policy, output_buffer_ptr_to_format_args): New macros
7493 (set_real_maximum_length, output_set_maximum_length,
7494 output_set_prefix, output_get_prefix, output_set_maximum_length,
7495 output_destroy_prefix, init_output_buffer,
7496 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
7497 output_add_newline, output_add_character, output_add_space,
7498 output_append_r, output_append, wrap_text, output_format,
7499 output_do_printf, output_printf, output_do_verbatim,
7500 output_verbatim, verbatim): Use them.
7501 (output_clear): Split into cleat_text_info and
7502 clear_diagnostic_info.
7503 (struct output_state): Move to...
7505 * diagnostic.h: ...Here
7506 (struct output_buffer): Adjust.
7508 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
7510 * cpplex.c (parse_name): No longer inline (premature optimization).
7511 (do_pop_context): Fold into pop_context.
7512 (pop_context): Returns int.
7513 (lex_next): Hoist test for end of directive into pop_context.
7514 (push_macro_context): Returns int; takes just reader and token.
7515 Hoist test for excessive nesting to caller.
7516 (push_arg_context): Returns void; takes just reader and token.
7517 Do not call stringify_arg or get_raw_token.
7518 (get_raw_token): Convert tail recursion through push_arg_context
7519 to a loop at this level. Call stringify_arg here if appropriate.
7520 (maybe_paste_with_next): Convert tail recursion to a while loop.
7521 Hoist test of paste_level to caller.
7523 (stringify_arg): Push arg context at beginning.
7524 (cpp_get_token): Split out core into _cpp_get_token. Call
7525 process_directive here. Throw away CPP_PLACEMARKER tokens.
7526 (_cpp_get_token): Convert tail recursion through
7527 push_macro_context to a loop at this level.
7528 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
7529 _cpp_get_raw_token): Use _cpp_get_token.
7530 (_cpp_skip_rest_of_line): Drop the context stack directly; do
7531 not call pop_context.
7532 (_cpp_run_directive): Call lex_next directly.
7534 * cpphash.h: Prototype _cpp_get_token.
7535 * cppexp.c (lex): Use it.
7536 * cpphash.c (parse_define): Use it.
7537 * cpplib.c (get_define_node, do_undef, parse_include,
7538 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
7539 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
7540 parse_ifdef, validate_else): Use it.
7541 (cpp_push_buffer): Tweak error message; abort if anyone tries
7542 to push a buffer while macro expansions are stacked.
7544 2000-07-11 Donn Terry <donnte@microsoft.com>
7546 * cpplex.c (free_macro_args, save_token): Cast arg of free
7547 and/or xrealloc to PTR.
7548 (_cpp_init_input_buffer): Clear all fields of the base context.
7550 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
7552 * gensupport.c (process_rtx): Make rtl checking stop
7553 complaining about the define_insn while it is being
7554 converted from a define_insn_and_split.
7556 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
7558 * config/mips/mips.c (simple_memory_operand): Access the
7559 INTVAL of the address, not it's containing MEM.
7561 2000-07-11 Bruce Korb <bkorb@gnu.org>
7563 * fixinc/fixtests.c(double_slash): obsolete
7564 (else_endif_label): likewise
7565 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
7566 (libc1_ifdefd_memx): correct initial comment
7567 and omit the #if/#endif pair from the memxxx declarations
7568 * fixinc/fixincl.x: regen
7570 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7572 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
7574 2000-07-11 Neil Booth <NeilB@earthling.net>
7578 2000-07-11 Neil Booth <NeilB@earthling.net>
7580 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
7581 (handle_option): Set digraphs according to standard.
7582 Merge OPT_lang_c89 handler with OPT_std_c89.
7584 * cpplex.c: (lex_line, can_paste): Honour digraphs in
7585 accordance with the digraphs flag.
7587 * cpplib.h: (struct cpp_options): New option digraphs.
7589 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
7590 Bruce Korb <bkorb@gnu.org>
7592 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
7593 * fixinc/fixincl.x: Regenerate.
7594 * fixinc/tests/base/testing.h: Add testcase.
7596 2000-07-10 Richard Henderson <rth@cygnus.com>
7598 * config/ia64/ia64.c (got_symbolic_operand): New.
7599 (symbolic_operand, move_operand): Revert 0701 change.
7600 * config/ia64/ia64.h (PREDICATE_CODES): Update.
7601 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
7602 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
7603 split the offset into a 14-bit low part instead of a 13-bit low part.
7604 (load_fptr): Mark the mem as unchanging.
7605 (load_symptr): Use got_symbolic_operand.
7607 2000-07-10 Nick Clifton <nickc@cygnus.com>
7609 * libgcc2.c (next_stack_level): Cast result of computation to
7610 (void **) so that the assignment does not generate a warning.
7612 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
7614 * flags.h : Add new variable flag_single_precision_constant.
7615 * toplev.c (display_help) : Add -fsingle-precision-constant option.
7616 (flag_single_precision_constant): New.
7617 * c-lex.c (yylex): Convert floating point constant to single
7619 * invoke.texi : Add documentation for this new option.
7621 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
7623 * diagnostic.c (output_octal): Second parameter is unsigned.
7624 (output_long_octal): Likewise.
7625 (output_hexadecimal): Likewise.
7626 (output_long_hexadecimal): Likewise.
7627 (output_format): Adjust arguments extraction. Tweak.
7628 (output_verbatim, verbatim): End variable argument list.
7629 (report_diagnostic): Improve documentation.
7631 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
7633 * c-common.h (build_stmt): Declare.
7634 (build_continue_stmt): Likewise.
7635 (build_break_stmt): Likewise.
7636 (build_return_stmt): Likewise.
7638 * c-decl.c (do_case): Rewrite to do what previously done in
7641 * c-semantics.c (build_stmt): Define.
7642 (build_return_stmt): Likewise.
7643 (build_break_stmt): Likewise.
7644 (build_continue_stmt): Likewise.
7645 (build_case_label): Likewise.
7647 * c-parse.in (BREAK): Change to build tree, then generate RTL.
7648 (CONTINUE): Likewise.
7651 (DEFAULT): Likewise.
7653 * c-parse.y: Regenerate.
7654 * c-pasre.c: Likewise.
7656 2000-07-09 Jason Merrill <jason@redhat.com>
7658 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
7660 * tree.h (STRIP_NOPS): Check for error_mark_node.
7661 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
7662 (dwarf2out_*): Remove duplicate declarations.
7664 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
7665 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
7667 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
7669 * diagnostic.c (wrap_text): New function.
7670 (maybe_wrap_text): Likewise.
7671 (output_add_string): Use it.
7672 (output_format): Likewise.
7673 (count_error): Use verbatim instead of notice.
7674 (report_error_function): Likewise. Don't use plain fprintf.
7675 (finish_diagnostic): New function.
7676 (output_do_verbatim): Tweak. Commonalize functionalities in
7677 output_verbatim and verbatim.
7678 (output_verbatim): Adjust.
7679 (verbatim): Likewise.
7680 (report_diagnostic): Define.
7682 * diagnostic.h (report_diagnostic): Prototype.
7684 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
7686 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
7688 2000-07-09 Neil Booth <NeilB@earthling.net>
7690 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
7691 IShspace, ISspace: Update.
7693 * cppinit.c: ISTABLE: Update.
7696 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
7697 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
7698 (skip_block_comment, skip_line_comment, parse_string,
7699 lex_line): Use is_vspace rather than IS_NEWLINE.
7700 (skip_whitespace, lex_line): Clean up to use is_nvspace.
7701 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
7703 (lex_next): Unconditionally stop if within a directive.
7704 Treat directives within macro invocations as directives
7705 (after parse_args emits error), not as the argument.
7707 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
7709 * diagnostic.c (diagnostic_args): New macro.
7710 (diagnostic_msg): Likewise.
7711 (output_formatted_integer): Likewise.
7712 (output_state): New data type.
7713 (digit_buffer): Make global.
7714 (output_add_integer): Rename to output_decimal. Squeeze
7716 (output_long_decimal, output_unsigned_decimal,
7717 output_long_unsigned_decimal, output_octal, output_long_octal,
7718 output_hexadecimal, output_long_hexadecimal): New functions.
7719 (output_append_r): New function.
7720 (output_append): Tweak.
7721 (output_flush_on): Rename to output_to_stream.
7722 (output_format): Change prototype. Improve documentation. Handle
7723 more format specifiers.
7724 (build_location_prefix): Rename to context_as_prefix.
7725 (output_notice): Rename to output_do_printf.
7726 (output_printf): Tweak.
7727 (line_wrapper_printf): Likewise.
7728 (vline_wrapper_message_with_location): Adjust call to renamed
7730 (v_message_with_decl): Likewise.
7731 (default_print_error_function): Likewise.
7732 (save_output_state): New function.
7733 (restore_output_state): Likewise.
7734 (output_do_verbatim): Likewise.
7735 (output_verbatim): Define.
7736 (verbatim): Likewise.
7738 * diagnostic.h (printer_fn): Change return type from void to int.
7739 Improve documentation.
7740 (output_add_integer): Rename to output_decimal.
7741 (output_flush_on, output_format): Don't export.
7742 (output_verbatim, verbatim): Declare.
7744 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
7746 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
7747 Check whether c divides op1 exactly if operation is not
7750 2000-07-08 Richard Henderson <rth@cygnus.com>
7752 * final.c (final): Do not abort when reg-stack introduces
7755 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
7757 * cpplib.h (struct cpp_name): Now struct cpp_string.
7758 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
7759 CPP_HEADER_NAME): Change to type S.
7760 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
7761 field, a cpp_hashnode *. All references to val.name updated
7762 to use val.str or val.node as appropriate.
7763 (struct cpp_reader): Add spec_nodes field.
7764 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
7766 * cpphash.h (struct spec_nodes): New.
7767 (enum spell_type): Reorder. Only SPELL_STRING tokens use
7768 val.str. All references to 'spelling > SPELL_NONE' updated to
7771 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
7772 pfile->buffer->inc are not NULL before dereferencing them.
7774 * cpplex.c (parse_name): Take a pointer to the current token,
7775 plus current position and limit as args; return the new
7776 position; don't copy the text of a name into the string
7777 buffer, instead call cpp_lookup and store the node pointer.
7778 If extending a token, copy out the text of the old into a
7779 scratch buffer, append the new, look that up and store the new
7780 node pointer. Inline.
7781 (maybe_paste_with_next): If the result of paste is a NAME,
7782 then look up the pasted text and store its node pointer.
7783 (lex_line): Adjust for new parse_name interface.
7784 Check for L"str", L'str' using spec_nodes->n_L.
7785 (spell_token): SPELL_IDENT tokens have their spelling in
7786 val.node->name. Handle SPELL_STRING tokens that don't have
7788 (_cpp_expand_name_space,
7789 (can_paste): Check for L ## "str" using spec_nodes->n_L.
7790 (cpp_get_token, special_symbol): No need to call cpp_lookup.
7791 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
7792 return 1=equal 0=not, not a tristate.
7794 * cpphash.c (var_args_str): Delete.
7795 (find_param): Compare node fields directly.
7796 (is__va_args__): Use CPP_PEDANTIC. Just compare
7797 token->val.node with spec_nodes->n__VA_ARGS__.
7798 (dump_funlike_macro): Don't use var_args_str.
7800 * cpplib.c (_cpp_check_directive): Just walk through
7801 spec_nodes->dirs comparing pointers.
7802 (get_define_node, do_pragma_poison, detect_if_not_defined,
7803 parse_ifdef): The identifier has already been looked up.
7804 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
7806 (do_if): Only call detect_if_not_defined at beginning of file.
7807 (_cpp_parse_assertion): Only copy string pointers for
7808 SPELL_STRING tokens.
7809 (pragma_dispatch): Take a node pointer and examine its name
7811 (_cpp_init_stacks): Also initialize the spec_nodes structure.
7813 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
7815 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
7816 reverse order from the corresponding _cpp_init_* routines.
7818 * cppexp.c (parse_number, parse_charconst, parse_defined,
7819 lex): Check val.node->type instead of calling cpp_defined.
7820 Use spec_nodes entries where appropriate.
7822 * fix-header.c, scan-decls.c: Update for interface changes.
7824 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
7826 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
7827 emitting aux_truncdfsf2.
7829 2000-07-03 Donn Terry (donnte@microsoft.com)
7831 * cppinit.c (print_help): split overlong line into ISO C89
7834 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
7836 * cppexp.c: Update all code for new lexer interface.
7837 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
7838 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
7839 * cpplex.c (token_names): Trim leading CPP_ from names; make
7840 the strings unsigned.
7841 (_cpp_spell_operator): New.
7842 (is_macro_disabled): Disable all macros if rescanning
7844 (_cpp_get_directive_token): Remove.
7846 * cppinit.c: Don't set no_macro_expand.
7847 * cpplib.c (read_line_number, do_line): Check only for EOF,
7849 * cpphash.h: Update prototypes.
7850 * cpplib.h (CPP_VSPACE): Remove.
7851 (struct cpp_reader): Remove no_macro_expand.
7853 2000-07-08 Neil Booth <NeilB@earthling.net>
7855 * cpphash.c (is__va_args__): New function.
7856 (count_params): Fix line reported in error messages. Use
7857 is__va_args__. Don't return ')' on error. Flag GNU style
7858 rest args macro definitions.
7859 (parse_define): Check macro name is not __VA_ARGS__.
7860 (save_expansion): Check identifier in non-varargs-macro is
7861 not __VA_ARGS__. Don't flag GNU_VARARGS.
7862 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
7863 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
7864 than per-token GNU_VARARGS.
7865 * cpplib.h (GNU_VARARGS): Remove.
7866 (GNU_REST_ARGS): New.
7868 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7870 * i386.md (call_pop, call, call_value_pop): Do not set
7871 current_function_uses_pic_offset_table for calls to static
7872 functions or indirect calls.
7874 2000-07-07 Jim Wilson <wilson@cygnus.com>
7876 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
7877 is_predicate_reg, then take max write_count of register pair.
7879 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7881 * tradcpp.c (main): Rename label `include' to `add_include' to
7882 avoid conflicts with variable `include' in traditional C.
7884 2000-07-07 Jakub Jelinek <jakub@redhat.com>
7886 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
7888 2000-07-07 Jakub Jelinek <jakub@redhat.com>
7890 * sibcall.c (uses_addressof): Add INMEM argument, check for
7891 current_function_internal_arg_pointer outside of MEM rtxs in addition
7893 (sequence_uses_addressof): Update caller.
7895 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
7897 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
7900 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7902 * system.h (UNION_INIT_ZERO): New macro for initializing union
7905 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
7907 2000-07-07 Neil Booth <NeilB@earthling.net>
7911 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
7913 * final.c (final): Detect out of bounds array access to
7914 the insn_lengths array.
7916 2000-07-07 Kazu Hirata <kazu@hxi.com>
7918 * fold-const.c (fold): Fix a comment typo.
7920 2000-07-07 Neil Booth <NeilB@earthling.net>
7922 * cpp.texi: Update to new lexer.
7924 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
7926 * tradcpp.c: New file.
7927 * tradcif.y: New file.
7928 * tradcif.c: New generated file.
7930 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
7931 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
7932 dependencies of C. Install tradcpp from install-common, in
7935 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
7937 * cppinit.c: Include cppdefault.h. Refer to
7938 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
7939 to GCC_INCLUDE_DIR and its length.
7940 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
7941 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
7942 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
7944 (include_defaults_array): Move to cppdefault.c.
7946 * cppdefault.h: New file.
7947 * cppdefault.c: New file.
7949 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
7950 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
7951 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
7954 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7956 * reload.c (push_reload): When seeing if can reuse a register,
7957 check extra registers against widest of INMODE and OUTMODE.
7959 2000-07-06 Neil Booth <NeilB@earthling.net>
7961 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
7962 based on full length of predicate.
7964 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
7966 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
7967 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
7969 2000-07-05 Kazu Hirata <kazu@hxi.com>
7971 * h8300-proto.h: Fix formatting.
7972 * h8300.c: Likewise.
7973 * h8300.h: Likewise.
7975 2000-07-05 Jim Wilson <wilson@cygnus.com>
7977 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
7980 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
7982 * invoke.texi: Fix minor typos
7983 * md.texi: Fix minor typos
7985 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
7987 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
7989 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
7991 * cpplex.c: Don't include sys/mman.h.
7992 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
7994 * cpplib.c: Include sys/mman.h and obstack.h.
7995 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
7997 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
7998 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
7999 bother freeing if stack entries (they will be freed with their buffer).
8000 (do_endif): Free if stack entries from the buffer obstack.
8001 (push_conditional): Allocate if stack entries from the buffer obstack.
8003 (find_answer): Rename to _cpp_find_answer.
8004 (do_assert, do_unassert): Update.
8006 * cpphash.h: Update prototypes.
8007 (xobnew): New convenience macro.
8008 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
8010 (struct cpp_hashnode): Remove disabled field.
8012 * cppinit.c: Don't include hashtab.h or splay-tree.h.
8013 (report_missing_guard): Moved to cppfiles.c.
8014 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
8016 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
8017 cpp_cleanup_includes. Don't destroy hashtab or
8018 all_include_files here.
8019 (cpp_finish): Use _cpp_report_missing_guards.
8021 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
8022 (_cpp_init_include_table): Rename _cpp_init_includes.
8023 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
8025 * cppexp.c (parse_assertion): Update for new name of
8028 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
8030 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
8032 * cpplib.c (do_ident): s/VSPACE/EOF/
8034 2000-07-05 Neil Booth <NeilB@earthling.net>
8036 * cpplex.c: Fix trigraph replacement within strings.
8038 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8040 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
8042 * xcoffout.c (assign_type_number): Constify.
8043 (xcoffout_source_file): Add static prototype. Don't needlessly
8044 cast away const-ness.
8046 2000-07-04 Jason Merrill <jason@redhat.com>
8048 * frame.h (frame_state): Move base_offset to end.
8050 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
8052 * calls.c (emit_library_call_value_1): Revert previous change.
8054 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
8056 * fix-header.c (struct partial_proto): Remove unnecessary fields.
8057 (recognized_extern, recognized_function, read_scan_file):
8058 Update for new scheme.
8059 (check_protection): It's still a multiple include guard even
8060 if it doesn't always trigger.
8061 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
8063 * scan.h: Declare struct cpp_token. Update prototypes.
8065 2000-07-03 Neil Booth <neilb@earthling.net>
8066 Zack Weinberg <zack@wolery.cumb.org>
8068 Complete overhaul of the lexer and macro expander.
8070 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
8071 arg, arglist, argdata, reflist, collect_objlike_expansion,
8072 collect_funlike_expansion, collect_params,
8073 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
8074 unsafe_chars, macarg, compare_defs, special_symbol,
8075 scan_arguments, stringify, funlike_macroexpand,
8076 _cpp_quote_string, monthnames): Delete.
8077 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
8078 _cpp_create_definition, _cpp_dump_definition,
8079 dump_hash_helper): Adjust.
8080 (find_param, count_params, parse_define, var_args_str,
8081 check_macro_redefinition, save_expansion): New.
8083 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
8084 parse_string, output_line_command, trigraph_replace,
8085 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
8086 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
8087 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
8088 _cpp_skip_rest_of_line): Modify.
8090 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
8091 find_position, null_warning, bump_column, expand_name_space,
8092 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
8093 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
8094 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
8095 _cpp_prescan): Delete.
8097 (dump_param_spelling, process_directive, lex_next,
8098 is_macro_disabled, stringify_arg, expand_context_stack,
8099 output_token, make_string_token, alloc_number_token,
8100 special_symbol, duplicate_token, maybe_paste_with_next,
8101 can_paste, prevent_macro_expansion, restore_macro_expansion,
8102 get_temp_token, release_temp_tokens, quote_string,
8103 token_names, token_spellings, _cpp_expand_name_space,
8104 _cpp_glue_header_name, _cpp_reserve_name_space,
8105 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
8106 placemarker_token, eof_token, cpp_context, macro_args,
8107 get_raw_token, parse_arg, parse_args, save_token,
8108 push_arg_context, push_macro_context, pop_context,
8109 do_pop_context, free_macro_args, _cpp_get_line,
8110 _cpp_run_directive): New.
8112 * cpplib.c (validate_else, parse_include, push_conditional,
8113 pass_thru_directive, read_line_number, parse_ifdef,
8114 detect_if_not_defined, _cpp_check_directive, do_define,
8115 do_undef, do_include, do_import, do_include_next, do_error,
8116 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
8117 top_pragmas, do_pragma_gcc, do_pragma_implementation,
8118 do_pragma_poison, do_pragma_system_header,
8119 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
8120 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
8121 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
8122 cpp_defined): Update for new scheme.
8123 (strtoul_for_line, get_define_node, dump_macro_name,
8124 _cpp_check_linemarker, _cpp_parse_assertion): New.
8125 (_cpp_handle_directive, do_pragma_default): Delete.
8127 * cpphash.h (struct predicate): Now struct answer.
8128 (enum spell_type, struct token_spelling, struct directive,
8129 directive_handler): New.
8130 Update prototypes. Remove unused macros.
8131 * cpplib.h: Update prototypes. Remove unused macros,
8132 structure definitions, and fields.
8134 * cpperror.c (print_containing_files, v_message): Adjust.
8135 * cppexp.c (parse_assertion, lex, parse_escape,
8136 _cpp_parse_expr): Adjust.
8137 * cppfiles.c (open_include_file, _cpp_execute_include,
8138 _cpp_compare_file_date, cpp_read_file, read_include_file):
8140 * cppinit.c (dump_special_to_buffer): Delete.
8141 (append_include_chain, merge_include_chains, cpp_reader_init,
8142 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
8143 cpp_finish, handle_option, print_help): Adjust.
8144 * cppmain.c (main): Adjust.
8146 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
8148 * cppspec.c (lang_specific_driver): Use double quotes in error
8151 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
8153 * calls.c (emit_library_call_value_1): Use valreg instead
8154 of hard_libcall_value.
8156 2000-07-03 Geoff Keating <geoffk@cygnus.com>
8158 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
8159 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
8160 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
8168 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
8169 mode instead of wider_mode is being used.
8171 2000-07-03 Jakub Jelinek <jakub@redhat.com>
8173 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
8174 of 'r'. Use q_regs_operand.
8175 (andsi_1+2): Use q_regs_operand.
8177 2000-07-03 Jakub Jelinek <jakub@redhat.com>
8179 * builtins.c (get_memory_rtx): Always put into alias set 0.
8181 2000-07-03 Nick Clifton <nickc@cygnus.com>
8183 * config/arm/arm.md: Fix post increment and pre increment
8184 peepholes so that they do not generate UNPREDICATBLE opcodes.
8185 (ie ones where the increment clobbers the source/destination).
8187 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
8189 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
8190 change too big for -mtiny-stack" a warning, if larger than 63.
8191 (out_set_stack_ptr): Change the logic so -mno-interrupts is
8192 always safe to use on possible future devices.
8193 (function_prologue): Write SPH before SPL, for consistency.
8194 If interrupt_func_p true, we know we have enabled interrupts.
8195 (avr_num_arg_regs): New function. Round up to even number of
8196 bytes if no -mpack-args or if calling a libgcc function.
8197 (function_arg, function_arg_advance): Use it.
8198 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
8199 Output "movw" if available.
8200 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
8201 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
8202 (asm_output_section_name): Add blanks for consistent output.
8203 (encode_section_info): Set TREE_READONLY for progmem data to
8204 avoid gas warnings about changed section attributes.
8205 (avr_hard_regno_mode_ok): Force non-QImode data to start in
8206 even numbered registers on devices with "movw".
8207 * config/avr/avr.h (MASK_*): Define bits for target_flags.
8208 (TARGET_SWITCHES): Mark help strings for translation.
8209 Add new -mpack-args and -menhanced switches.
8210 (TARGET_OPTIONS): Mark help strings for translation.
8211 (progmem_section): Add section attributes.
8212 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
8213 Output "movw" if available.
8214 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
8216 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
8217 call convention (arguments aligned on even registers).
8218 (_cleanup, _exit): Make weak symbols libc can override.
8220 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8222 * fp-bit.h: New file.
8224 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
8225 Comment #endif statements.
8226 (__thenan_sf, __thenan_df): Add missing braces around initializer.
8228 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
8230 * gcse.c (compute_pre_data): Compute ae_kill using other local
8231 properties instead of calling compute_ae_kill.
8233 * alias.c (init_alias_analysis): Do not call
8234 prologue_epilogue_contains until after reload has completed.
8236 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
8238 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
8239 (genrtl_finish_compound_stmt): Likewise.
8240 (genrtl_compound_stmt): Change to return void.
8242 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
8243 move code from here to ...
8244 (genrtl_compound_stmt): ... here.
8245 (genrtl_finish_compound_stmt): Remove.
8246 (expand_stmt): Add comment.
8248 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
8250 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
8253 2000-07-02 Jakub Jelinek <jakub@redhat.com>
8255 * cpplib.h (struct cpp_reader): New field include_depth.
8256 (struct cpp_printer): Rename last_bsd to last_id.
8257 * cppfiles.c (read_include_file): Bump include_depth.
8258 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
8259 (output_line_command): Output correct #line if a header
8260 is including itself and is not protected against multiple inclusion.
8261 Use include_depth instead of buffer_stack_depth, last_id instead of
8263 * cppinit.c (cpp_start_read): Initialize last_id instead of
8266 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
8268 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
8269 (c-semantics.o): New target.
8271 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
8272 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
8273 (genrtl_clear_out_block): Likewise.
8274 (genrtl_goto_stmt): Likewise.
8275 (genrtl_expr_stmt): Likewise.
8276 (genrtl_decl_stmt): Likewise.
8277 (genrtl_if_stmt): Likewise.
8278 (genrtl_while_stmt): Likewise.
8279 (genrtl_do_stmt): Likewise.
8280 (genrtl_return_stmt): Likewise.
8281 (genrtl_for_stmt): Likewise.
8282 (genrtl_break_stmt): Likewise.
8283 (genrtl_continue_stmt): Likewise.
8284 (genrtl_scope_stmt): Likewise.
8285 (genrtl_switch_stmt): Likewise.
8286 (genrtl_case_label): Likewise.
8287 (genrtl_begin_compound_stmt): Likewise.
8288 (gerntl_finish_compound_stmt): Likewise.
8289 (genrtl_compound_stmt): Likewise.
8290 (genrtl_asm_stmt): Likewise.
8291 (genrtl_decl_cleanup): Likewise.
8292 (DECL_ANON_UNION_ELEMS): Likewise.
8293 (emit_local_var): Likewise.
8294 (make_rtl_for_local_static): Likewise.
8295 (expand_cond): Likewise.
8296 (expand_stmt): Likewise.
8297 (c_expand_return): Likewise.
8298 (c_expand_start_case): Likewise.
8299 (do_case): Likewise.
8300 (COMPOUND_STMT_NO_SCOPE): Likewise.
8301 (c_expand_asm_operands): Likewise.
8302 (NEW_FOR_SCOPE_P): New macro.
8303 (expand_expr_stmt_fn): New type.
8305 (set_current_function_name_declared): Likewise.
8306 (current_function_name_declared): Likewise.
8307 (lang_expand_stmt): Likewise.
8308 (stmts_are_full_exprs_p): Likewise.
8309 (anon_aggr_type_p): Likewise.
8310 (lang_expand_expr_stmt): Likewise.
8311 (build_case_label): Likewise.
8313 * c-decl.c (lang_expand_expr_stmt): Initialize.
8314 (stmts_are_full_exprs_p): Define.
8315 (current_function_name_declared): Likewise.
8316 (do_case): Likewise.
8317 (lang_expand_stmt): Likewise.
8318 (set_current_function_name_declared): Likewise.
8319 (anon_aggr_type_p): Likewise.
8321 * c-semantics.c: New file.
8322 (expand_cond): Moved from cp/semantics.c.
8323 (genrtl_do_pushlevel): Likewise.
8324 (genrtl_clear_out_block): Likewise.
8325 (genrtl_goto_stmt): Likewise.
8326 (genrtl_expr_stmt): Likewise.
8327 (genrtl_decl_stmt): Likewise.
8328 (genrtl_if_stmt): Likewise.
8329 (genrtl_while_stmt): Likewise.
8330 (genrtl_do_stmt): Likewise.
8331 (genrtl_return_stmt): Likewise.
8332 (genrtl_for_stmt): Likewise.
8333 (genrtl_break_stmt): Likewise.
8334 (genrtl_continue_stmt): Likewise.
8335 (genrtl_scope_stmt): Likewise.
8336 (genrtl_switch_stmt): Likewise.
8337 (genrtl_case_label): Likewise.
8338 (genrtl_begin_compound_stmt): Likewise.
8339 (genrtl_finish_compound_stmt): Likewise.
8340 (genrtl_compound_stmt): Likewise.
8341 (genrtl_asm_stmt): Likewise.
8342 (genrtl_decl_cleanup): Likewise.
8343 (make_rtl_for_local_static): Moved from cp/decl.c.
8344 (emit_local_var): Likewise.
8345 (expand_stmt): Define.
8347 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
8348 (c_expand_return): Likewise.
8349 (c_expand_start_case): Likewise.
8351 2000-07-01 Richard Henderson <rth@cygnus.com>
8353 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
8354 with the low 13 bits set.
8355 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
8356 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
8357 of the low 13 bits into a CONST plus an adddi3.
8358 (load_symptr): Set RTX_UNCHANGING_P.
8360 See ChangeLog.3 for earlier changes.