1 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3 * fixinc/genfixes (AG): Fix "autogen4" thinko.
5 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
8 when register dies in the insn.
10 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
12 * diagnostic.c (fatal): Fix word wrap.
14 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
16 * combine.c (try_combine): Fix SUBREG setting for
17 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
19 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
24 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
26 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
28 * toplev.c (decode_W_option): Update warn_larger_than
29 unconditionally for each processed switch.
31 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
33 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
35 (hppa_expand_prologue): Delete code to save pic offset table register
36 in the function prologue.
37 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
38 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
39 table register at the beginning of the function after the prologue.
41 2001-01-29 lars brinkhoff <lars@nocrew.org>
43 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
45 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
46 Jeff Law <law@redhat.com>
48 * pa.md (return): Revise comment for trivial return.
49 (return_internal): Non-trivial return pattern for non-PIC code.
50 (return_internal_pic): Non-trivial return pattern for PIC code.
51 It uses the PIC register to ensure it is restored after
53 (epilogue): Generate appropriate return for PIC and non-PIC code.
55 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
57 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
59 2001-01-29 DJ Delorie <dj@redhat.com>
61 * combine.c (if_then_else_cond): Pass the correct mode to
62 operand_subword() for constants.
64 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
66 * config/i386/cygwin.h: Add w32api to include search. Search different
67 directories in a cross-build environment.
69 2001-11-29 Tim Josling <tej@melbpc.org.au>
71 * tree.h (TYPE_STUB_DECL): Add documentation.
73 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
75 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
76 (sdbout_field_types): Likwise. Fix use of host_integerp.
78 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
80 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
83 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
85 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
86 to use flag_gnu_linker.
88 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
90 * cpplib.c (T_BAD_DIRECTIVE): Remove.
91 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
93 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
95 * tree.c, tree.h (build_parse_node): Remove; was identical to
97 * c-lang.c (start_cdtor), objc/objc-act.c
98 (build_module_descriptor): Use build_nt instead of
101 2001-01-29 Jakub Jelinek <jakub@redhat.com>
103 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
104 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
105 not have any upper bits set.
107 2001-01-29 Phil Edwards <pme@sources.redhat.com>
109 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
111 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
113 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
115 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
117 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
118 (integer_minus_one_node): Define.
120 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
122 * Makefile.in (bootstrap2-lean): Fix typo.
124 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
126 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
127 : Don't set fe_value.
128 * cpplib.h (AVOID_LPASTE): New flag.
129 (struct cpp_hashnode): Remove fe_value.
130 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
131 * cppmacro.c (builtin_macro): Don't set flags here.
132 (replace_args): Set AVOID_LPASTE flag on first token of an
133 argument, and the token following it.
134 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
135 macro expansion, and on the token following it. Do it for
137 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
139 2001-01-27 Richard Henderson <rth@redhat.com>
141 * config/alpha/t-ieee: Remove multilibbing.
142 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
144 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
146 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
148 * Makefile.in: Remove all dependencies on defaults.h.
149 * builtins.c: Don't include defaults.h.
150 * c-common.c: Likewise.
151 * c-decl.c: Likewise.
152 * c-pragma.c: Likewise.
153 * c-typeck.c: Likewise.
154 * combine.c: Likewise.
156 * frame-ia64.c: Likewise.
157 * cppexp.c: Likewise.
158 * crtstuff.c: Likewise.
159 * dbxout.c: Likewise.
160 * dwarf2out.c: Likewise.
161 * dwarfout.c: Likewise.
162 * emit-rtl.c: Likewise.
163 * except.c: Likewise.
166 * frame-dwarf2.c: Likewise.
167 * libgcc2.c: Likewise.
168 * optabs.c: Likewise.
169 * profile.c: Likewise.
170 * sdbout.c: Likewise.
171 * toplev.c: Likewise.
172 * tradcif.y: Likewise.
174 * varasm.c: Likewise.
176 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
178 * builtins.c (expand_builtin_fputs): Use size_one_node when
179 transforming into fwrite.
181 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
183 * extend.texi (Attribute Syntax): New section.
185 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
187 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
188 they didn't need fixing.
190 2001-01-27 Janis Johnson <janis@us.ibm.com>
192 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
194 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
195 to remove macro definitions that are duplicated from elfos.h.
197 2001-01-27 Richard Henderson <rth@redhat.com>
199 * config/i386/sco5gas.h: Move ...
200 * config/usegas.h: ... here.
201 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
203 2001-01-27 Jakub Jelinek <jakub@redhat.com>
205 * c-typeck.c (struct constructor_stack): Add range_stack member.
206 (really_start_incremental_init): Clear it.
207 (push_init_level): Save constructor_range_stack and clear it if
208 pushing explicit braces.
209 (pop_init_level): abort if constructor_range_stack is non-zero at
210 explicit closing brace. Restore saved constructor_range_stack if
213 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
215 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
216 into register was forced into memory.
218 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
220 * Makefile.in: Remove uses of + before $(MAKE).
222 2001-01-26 Richard Henderson <rth@redhat.com>
224 * stmt.c (cost_table): Remove.
225 (COST_TABLE, cost_table_initialized): New.
226 (estimate_case_costs): Use the later instead of the former.
227 (balance_case_nodes): Likewise.
229 2001-01-26 Richard Henderson <rth@redhat.com>
231 * alias.c (objects_must_conflict_p): Read-only slots may not
232 conflict despite having the same type.
234 2001-01-27 Michael Hayes <mhayes@redhat.com>
236 * loop.c (loop_giv_reduce_benefit): Copy mode size into
238 (check_ext_dependant_givs): Initialise u_start_val and
240 (load_mems): Make last_max_reg unsigned.
241 (try_swap_copy_prop): Use INSN_P and initialise set.
243 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
245 * README.AVR : Removed.
247 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
249 * pa-64.h (text_section): Remove declaration.
251 * pa.md (return_internal): Remove mode on PIC register use.
253 2001-01-25 lars brinkhoff <lars@nocrew.org>
255 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
256 ASM_CLOSE_PAREN): fix typos.
258 2001-01-25 Mark Mitchell <mark@codesourcery.com>
260 * acconfig.h: Define `const' to the empty string if neither
261 __STDC__ nor __cplusplus is defined.
262 * config.in: Regenerated.
264 2001-01-25 David Edelsohn <edelsohn@gnu.org>
266 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
267 * collect2.c (main): Delete importf. Add ".obj" file extension.
268 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
269 (aix_std_libs): Add additional AIX libraries to skip.
270 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
271 * config/rs6000/aix51.h: New file.
273 2001-01-25 Michael Hayes <mhayes@redhat.com>
275 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
276 (loop_insn_emit_before): No longer static.
277 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
278 (loop_givs_rescan, load_mems): Likewise.
279 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
280 (maybe_eliminate_biv_1):
281 (move_movables): Replace emit_call_insn_before with
282 loop_call_insn_hoist.
283 * loop.h (loop_insn_emit_before): Add.
284 * unroll.c (copy_loop_body): Replace emit_insn_before with
285 loop_insn_emit_before.
287 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
289 * diagnostic.c (fatal): Request preprocessed source.
291 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
293 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
294 olddecl has argument types and newdecl has none, use the argument
297 2001-01-24 Ulrich Drepper <drepper@redhat.com>
299 * dwarf2out.c (prefix_of): New function. Determine longest common
300 prefix of the two arguments. The units are whole path components.
301 (output_file_names): When adding a new directory find the one entry
302 with the longest common prefix already in the list. Artificially
303 generate entry if there is none for this prefix.
304 Fix test to check whether the zeroth directory entry is used.
306 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
308 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
309 Changed all callers. Take it into account when deciding if a
310 previously loaded value matches.
312 2001-01-24 Richard Henderson <rth@redhat.com>
314 * reload.c (find_reloads_subreg_address): Fail the substitution
315 if the resulting address is insufficiently aligned.
317 2001-01-24 DJ Delorie <dj@redhat.com>
319 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
320 check the original operand's mode also.
321 * simplify-rtx.c (simplify_ternary_operation): Ditto.
323 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
325 * c-parse.in (cast_expr): Move compound literals from here ...
326 (primary): ... to here. Use standard terminology "compound
327 literal" instead of "constructor expression".
329 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
331 * gcc.1, cpp.1: Regenerate.
333 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
335 * calls.c (emit_library_call_value_1): Memory slot for
336 pass-by-reference argument should have the mode of the argument,
337 not of the pointer to it.
339 2001-01-24 Tom Tromey <tromey@redhat.com>
341 * gcc.texi (G++ and GCC): Mention gcj manual.
342 (Standards): Link to section of manual mentioning gcj/Java
345 2001-01-24 Jakub Jelinek <jakub@redhat.com>
347 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
348 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
349 * tradcpp.c (main): Add -imacros or -include'd dependencies
351 * cpp.texi (-M, -MM): Document -M -include behaviour.
353 2001-01-24 Roger Collins <roger@ProProject.com>
355 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
357 2001-01-24 Will Cohen <wcohen@redhat.com>
359 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
360 whether registers are 32 bits or 64 bits in size.
362 2001-01-24 Ben Elliston <bje@redhat.com>
364 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
366 2001-01-24 Richard Henderson <rth@redhat.com>
368 * config/alpha/alpha.md (builtin_longjmp_internal): New.
369 (builtin_longjmp): Use it instead of emit_indirect_jump.
371 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
373 * bb-reorder.c (make_reorder_chain_1): Handle case where
374 jump edge goes to the same block as the fallthru edge.
376 2001-01-23 Jim Wilson <wilson@redhat.com>
378 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
379 * frame.h (__ia64_personality_v1): Add prototype.
380 * libgcc2.c (ia64_throw_helper): Change personality declaration to
381 prototype form. Add void * cast to first argument to personality
383 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
384 (asctoe113): Likewise.
385 * config/ia64/frame-ia64.c: Include eh-common.h.
386 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
388 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
390 (itanium_split_issue): Add prototype.
391 (gen_nop_type): Ifdef out.
392 (find_best_packet): Initialize best_packet.
393 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
395 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
396 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
397 (flushrs): Add explicit stop bit at end.
398 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
401 2001-01-23 Chris Demetriou <cgd@broadcom.com>
403 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
405 * libgcc2.c (__terminate_func): Make variable static.
406 (__terminate_set_func): New function to set __terminate_func.
407 * libgcc2.h (__terminate_func_ptr): New typedef.
408 (__terminate_set_func): New function.
410 2001-01-23 Richard Henderson <rth@redhat.com>
412 * flow.c (init_propagate_block_info): Don't consider unchanging
413 memories for dead frame store elimination.
415 2001-01-23 Richard Henderson <rth@redhat.com>
417 * varasm.c (UNIQUE_SECTION): Move default implementation ...
418 * defaults.h: ... here.
420 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
422 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
424 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
426 * c-lex.c (lex_charconst): Fix typo: s/p/str.
428 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
430 * rs6000.h (rs6000_return_addr): Move prototype from here...
431 * rs6000-protos.h (rs6000_return_addr): ...to here.
432 (rs6000_init_expanders): Delete prototype.
434 2001-01-23 Nick Clifton <nickc@redhat.com>
436 * invoke.texi: Replace , with \, inside @gccoptlist macros.
437 (Spec Files): Document %B and %j and %. and %v3 and %M and
438 %{S*&T} spec switches.
440 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
442 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
444 2001-01-23 Chris Demetriou <cgd@sibyte.com>
445 Neil Booth <neil@daikokuya.demon.co.uk>
447 * cpperror.c: Merge handlers of PEDWARN and WARNING.
448 Have -Werror make pedantic warnings errors, like the
451 2001-01-23 Phil Edwards <pme@sources.redhat.com>
453 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
455 2001-01-23 Jakub Jelinek <jakub@redhat.com>
457 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
458 * integrate.c (expand_inline_function): Initialize them.
459 (subst_constants): If changing COMPARE so that both its arguments
460 will be VOIDmode and the comparison mode will be lost, note
461 compare_mode. Use the recorded compare_mode to optimize
464 2001-01-23 Jason Merrill <jason@redhat.com>
466 * dwarf2out.c (new_die): Use xcalloc.
467 (output_die): Abort rather than emit a local reference to offset 0.
469 2001-01-17 Andrew Haley <aph@redhat.com>
471 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
472 of a saved register; return NULL instead.
473 (copy_reg): Take a pointer to a source register rather than a
475 (next_stack_level): Remember the address in the stack frame of all
477 Use the saved register pointer array as the source of the CFA.
478 (throw_helper): Rewrite. Unwind once rather than twice and keep
479 track of saved registers as we go.
481 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
483 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
484 * c4x.c (c4x_legitimize_reload_address): Remove.
485 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
486 reload address for ldp(k) insn.
488 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
490 * pa.md (return_internal): Add a USE of the PIC register to ensure
491 it is restored after each call.
492 (return expander): Corresponding changes.
494 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
496 * rs6000.h (INIT_EXPANDERS): Delete.
497 (RETURN_ADDR_RTX): Call rs6000_return_addr().
498 * rs6000.c (rs6000_override_options): Call *_machine_status from
500 (rs6000_init_expanders): ...instead of here. Delete.
501 (rs6000_mark_machine_status): New function.
502 (rs6000_init_machine_status): Use xcalloc.
503 (rs6000_return_addr): Generate RTX for the return address.
504 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
505 (rs6000_stack_info): Use it.
507 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
509 * gthr-win32.h: Include errno.h to get a declaration for
510 EINVAL and _mingw.h if the target is mingw32.
512 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
514 * cpp.texi: Correct typos.
516 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
518 * explow.c (probe_stack_range): Ensure value passed to
519 stack_check_libfunc is ptr_mode, not Pmode.
521 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
523 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
524 case, don't use operand_subword to calculate a SUBREG that is
527 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
529 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
531 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
532 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
533 valid. If not replace it by equivalent insns.
535 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
537 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
538 contains SYMBOL_REF, LABEL_REF and CONST_INT.
539 (c4x_U_constraint, symbolic_address_operand): Likewise.
540 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
542 (c4x_r11_set_p, c4x_check_laj_p): New functions.
543 * c4x-protos.h (c4x_check_laj_p): Add prototype.
544 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
545 anulling slot because of silicon bug.
546 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
548 2001-01-22 Alan Modra <alan@linuxcare.com.au>
550 * cppexp.c (parse_charconst): Change `mask' type to agree
553 2001-01-21 Richard Henderson <rth@redhat.com>
555 * config/i386/i386.c (ix86_asm_file_end): Disable putting
556 pic_label_name in a linkonce section.
558 2001-01-17 Philipp Thomas <pthomas@suse.de>
560 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
562 * configure: Regenerate.
564 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
566 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
567 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
569 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
571 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
572 If REVERSE nonzero then condition code in X must be reversed.
573 (encode_section_info): Optimise if/else.
574 (avr_function_value): Fix formatting.
576 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
577 (difficult_branch): Likewise.
578 (rvbranch): Likewise.
579 (difficult_rvbranch): Likewise.
581 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
583 * config/avr/libgcc.S: Fix comment.
585 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
587 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
589 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
591 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
593 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
595 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
596 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
597 * configure, config.in: Regenerate.
598 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
599 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
600 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
601 (doprint.o): New rule.
603 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
605 * c-typeck.c (digest_init): Handle boolean types as scalars.
607 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
609 * stmt.c (expand_return): Don't return anything if size is zero.
610 Delete redundant assignment to BYTES.
611 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
613 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
615 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
616 the same as the default library function names.
617 * config/avr/avr.md: Document special characters after '%'.
618 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
619 knowing which of the call-used registers are really clobbered.
620 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
621 New. Both quotient and remainder from one libgcc.S call.
622 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
623 clobber as few registers as possible.
624 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
626 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
628 * cppmacro.c (funlike_invocation_p): Don't move back up to the
629 context of the top of the stack.
631 2001-01-20 Jakub Jelinek <jakub@redhat.com>
633 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
634 (fixup_var_refs_insns): ...here.
636 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
638 * function.c (fixup_var_refs_insns): Break up into
639 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
640 [loop over entire insn list], and fixup_var_refs_insns_with_hash
641 [loop over hash table entries].
642 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
643 fixup_var_refs_insns_with_hash, to match above changes.
645 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
647 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
648 (libgcc.a): Likewise.
649 (stmp-multilib): Likewise.
650 (STAGE2_FLAGS_TO_PASS): Likewise.
652 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
654 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
655 temporary if no_new_pseudos.
657 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
659 * cppinternals.texi: Update.
661 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
663 * arm.c (arm_init_builtins): Re-enable builtins.
665 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
667 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
668 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
669 element to be null, and always expect an EXPR_LIST.
670 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
671 * sched-deps.c (sched_analyze_1): Likewise.
672 * sched-rgn.c (check_live_1, update_live_1): Likewise.
674 * regclass.c (max_set_parallel): New variable.
675 (reg_scan): Take it into account in computation of max_parallel.
676 (reg_scan_mark_refs, case SET): Compute it.
678 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
680 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
681 * function.c (assign_parms): Use INTVAL for a CONST_INT.
683 2001-01-19 Jason Merrill <jason@redhat.com>
685 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
686 for the abstract instance of an inline function.
688 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
689 J"orn Rennecke <amylaar@redhat.com>
691 * reload1.c (move2add_note_store): Treat all registers directly or
692 indirectly derived from a base register as members of the same set
694 (reload_cse_move2add): Adjust accordingly. Take mode and offset
695 of base register into account.
697 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
699 * alias.c (find_base_value): Recognize TRUNCATE.
700 (record_set): In PLUS case, invalidate if other summand is also a
703 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
705 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
706 entry to be EXPR_LIST.
707 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
708 be an EXPR_LIST (but not null, which other code doesn't allow).
709 (note_stores): Properly handle PARALLEL in SET.
710 Recursively call for top-level PARALLEL.
711 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
712 * sched-rgn.c (check_live_1, update_live_1): Likewise.
714 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
716 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
718 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
719 not pfile->skipping (== 0).
721 2001-01-17 Nick Clifton <nickc@redhat.com>
723 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
726 2001-01-17 Jim Wilson <wilson@redhat.com>
728 * invoke.texi (IA-64 options): Improve.
730 2001-01-17 Tom Tromey <tromey@redhat.com>
732 * invoke.texi (Optimize Options): Use `{}' to around @samp
735 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
737 * invoke.texi (-fno-guess-branch-probability): New option.
739 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
741 * combine.c (try_combine): Don't set i3_subst_into_i2 for
742 case of making new double-word constant.
743 Revert last change: instead just test i3_subst_into_i2.
745 2001-01-17 Jakub Jelinek <jakub@redhat.com>
747 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
748 Use q constraints instead of r.
750 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
752 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
753 (machine_function): Define.
754 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
755 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
756 pa_free_machine_status): New functions.
757 (override_options): Set {init,mark,free}_machine_status to above.
758 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
759 PIC_OFFSET_TABLE_REGNUM_SAVED.
760 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
761 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
762 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
763 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
764 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
766 2001-01-15 DJ Delorie <dj@redhat.com>
768 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
772 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
774 * flow.c (propagate_on_insn): Make trying to delete a prologue
775 or epilogue insn an ICE, not a warning. Allow doing this if
776 the current function returns with stack pointer depressed.
778 * combine.c (try_combine): If i3_subst_into_i2, properly check for
779 I3 having more than one SET.
781 2001-01-16 Jim Wilson <wilson@redhat.com>
783 * invoke.texi: Document IA-64 options.
785 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
786 (fixup_errata): Delete TARGET_A_STEP use.
787 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
788 (TARGET_SWITCHES): Delete -ma-step option.
789 * config/ia64/ia64.md (all FP patterns): Delete %B0.
790 (movqicc_astep, movqi_internal_astep, movhicc_astep,
791 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
792 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
793 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
794 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
796 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
797 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
798 cmovsi_internal): Delete ! TARGET_A_STEP check.
800 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
802 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
803 possibility to report bugs via postal mail. Change a URL and
804 merge in a nearly duplicate statement...
805 (Bug Reporting): ...from here.
806 (Service): Refer to the Bug Reporting section instead of
808 (Contributing): Remove trivial explanations concerning snapshots.
810 2001-01-16 Alan Modra <alan@linuxcare.com.au>
812 * cppmain.c (general_init): Don't use ANSI prototype.
814 2001-01-16 Tom Tromey <tromey@redhat.com>
816 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
818 2001-01-16 Richard Henderson <rth@redhat.com>
820 * config/i386/i386.h: Fix comment typo.
821 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
822 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
824 2001-01-16 Phil Edwards <pme@sources.redhat.com>
826 * gcc.c: Revert previous -fsyntax-only-related change; move
829 2001-01-16 Jakub Jelinek <jakub@redhat.com>
831 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
832 inmode after checking GET_CODE (op).
834 2001-01-16 Richard Henderson <rth@redhat.com>
836 * flow.c (struct propagate_block_info): Add mem_set_list_len.
837 (MAX_MEM_SET_LIST_LEN): New.
838 (propagate_one_insn): Update mem_set_list_len.
839 (invalidate_mems_from_autoinc): Likewise.
840 (invalidate_mems_from_set): Likewise.
841 (mark_used_regs): Likewise.
842 (init_propagate_block_info): Likewise. Stop collecting memories
843 when we reach MAX_MEM_SET_LIST_LEN.
844 (mark_set_1): Likewise.
846 2001-01-16 Richard Henderson <rth@redhat.com>
848 * unroll.c (precondition_loop_p): Fail if no iteration
851 2001-01-16 Phil Edwards <pme@sources.redhat.com>
853 * gcc.c: When -fsyntax-only is given, do not complain about
856 2001-01-15 Richard Henderson <rth@redhat.com>
858 * config/i386/i386.c (asm_output_function_prefix): Remove.
859 (ix86_asm_file_end): New.
860 (load_pic_register): Generate pic_label_name into a
861 staticly allocated buffer.
862 * config/i386/i386-protos.h: Update.
863 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
865 * config/i386/i386afe.h: New file.
866 * config.gcc (i?86-*-elf) [tm_file]: Use it.
867 (i?86-*-{freebsd,linux*,moss*}): Likewise.
868 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
869 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
870 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
871 * config/i386/sco5.h (ASM_FILE_END): Likewise.
872 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
874 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
876 * Makefile.in (install-man): Remove explicit dependency on
879 * configure.in, configure: Revert previous patch requiring perl
882 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
884 * toplev.c (flag_guess_branch_prob): New.
885 (f_options): Add guess-branch-probability option.
886 (rest_of_decl_compilation): Only estimate branch probability if
888 (main): set flag_guess_branch_prob.
890 * flags.h (flag_guess_branch_prob): New.
892 2001-01-15 DJ Delorie <dj@redhat.com>
894 * gcc.texi (Makefile): Add documentation for Makefile targets.
896 2001-01-15 Philip Blundell <philb@gnu.org>
898 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
900 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
901 (is_pic): Delete declaration.
902 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
903 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
904 * config/arm/arm.md (builtin_setjmp_receiver): New.
906 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
908 * arm.c (use_return_insn): Don't try to determine the function type
909 until after reload has completed.
910 (arm_output_epilogue): Don't adjust the sp value recovered from the
912 (emit_multi_reg_push): Don't record dwarf information for the pc.
913 * arm.md (eh_epilogue): The function type may have changed, so it
914 needs to be recalculated.
915 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
916 unwind tables on arm/netbsd.
918 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
920 * arm.md (cbranchsi4): Correct calculation of branch ranges.
921 (negated_cbranchsi4): Likewise.
923 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
925 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
926 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
927 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
928 pass -mapcs-* options to assembler.
929 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
930 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
931 (ASM_SPEC): Call subtarget_extra_asm_spec.
933 2001-01-15 Andreas Jaeger <aj@suse.de>
935 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
937 (ix86_expand_builtin): Likewise.
939 * gencodes.c (output_predicate_decls): Make i size_t to avoid
940 warning about comparison between signed and unsigned.
942 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
944 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
946 2001-01-14 Ralf Baechle <ralf@gnu.org>
948 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
949 SUBTARGET_CPP_SPEC apropriatly.
951 2001-01-12 Mark Mitchell <mark@codesourcery.com>
953 * varasm.c (make_decl_rtl): Fix typo in last change.
955 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
957 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
958 linker supports the init_priority C++ attribute.
959 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
960 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
961 linker does not support init_priority C++ attribute.
963 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
965 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
967 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
969 * c-parse.in (finish_parse): Add comment about cpp_destroy.
970 * cp/lex.c (finish_parse): Similarly.
971 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
972 Return the number of errors encountered.
973 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
974 * cppmain.c (main): Don't call cpp_destroy.
976 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
978 * configure.in: Require at least perl 5.6.0 to regenerate
980 * configure: Regenerate.
982 2001-01-14 Richard Henderson <rth@redhat.com>
984 * genrecog.c (DT_veclen_ge): New.
985 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
986 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
987 (nodes_identical_1): Handle DT_veclen_ge.
988 (write_cond, debug_decision_2): Likewise.
990 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
992 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
994 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
996 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
998 * cppmain.c (do_preprocessing): New function; most of the old
1000 (main): Call it to do most of the work.
1001 (cb): Move from global scope to set_callbacks ().
1002 (setup_callbacks): Get the callback pointer.
1003 (general_init, printer_init): Clean up code and comments.
1005 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
1007 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
1010 2001-01-14 Kazu Hirata <kazu@hxi.com>
1012 * config/h8300/h8300.c (get_shift_alg): Update comments.
1014 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1016 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
1017 (alloc_page, ggc_alloc): Add casts to remove warnings.
1019 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
1021 * combine.c (simplify_comparison): Don't change `code' when
1022 can't reverse comparison.
1024 2001-01-14 Richard Henderson <rth@redhat.com>
1026 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
1027 update all call sites. Return true for all non-label constants.
1029 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
1031 * i386.c (ix86_expand_compare): Add bypass_test and second_test
1033 (ix86_expand_branch): Update.
1034 (ix86_expand_setcc): Update to handle multiple test conditions.
1035 (expand_int_movcc): Likewise.
1036 (expand_fp_movcc): Likewise.
1037 * i386-protos.h (ix86_expand_compare): New.
1038 * i386.md (andqi_?_slp, orqi_?_slp): New.
1039 (conditional trap expander): Update call to ix86_expand_compare.
1041 2001-01-14 Richard Henderson <rth@redhat.com>
1043 * config/vax/vax.md: Use nonimmediate_operand instead of
1044 general_operand in destinations.
1046 * config/vax/vax.md (indirect_jump): Use register_operand.
1048 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
1049 * config/vax/vax.md (call_pop): Turn into an expander.
1050 (call_value_pop): Likewise.
1051 (call, call_value): New.
1053 2001-01-14 Andreas Jaeger <aj@suse.de>
1055 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
1057 (ix86_fp_compare_mode): Add unused attribute.
1058 (ix86_expand_fp_movcc): Remove unused variable.
1059 (ix86_expand_builtin): Make fcode unsigned.
1061 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
1062 (expand_expr): Add cast to avoid signed warning.
1063 (store_field): Likewise.
1064 (store_constructor_field): Likewise.
1065 (store_constructor): Likewise.
1066 (store_expr): Likewise.
1067 (clear_storage): Likewise.
1068 (emit_group_store): Likewise.
1069 (emit_group_load): Likewise.
1071 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1073 * c-common.c: Move format checking code to ...
1074 * c-format.c: ... here. New file. Reorder some functions and
1076 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
1078 * c-common.h (decl_handle_format_attribute,
1079 decl_handle_format_arg_attribute): Declare.
1080 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
1081 (c-common.o): Adjust dependencies.
1082 (c-format.o): New list of dependencies.
1084 2001-01-13 Jakub Jelinek <jakub@redhat.com>
1086 * unroll.c (loop_iterations): If we cannot prove iteration variable
1087 is set once in each iteration, punt.
1089 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
1091 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
1092 (*strlenhi): Remove clobber (which was buggy) of output address.
1094 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1096 * Makefile.in (generated-manpages): Add gcc.1
1097 ($(srcdir)/gcc.1): New target.
1098 (maintainer-clean): Delete $(srcdir)/gcc.1.
1099 * gcc.texi: Add macros @gccoptlist and @gol.
1100 * invoke.texi: Include option summary in manpage. Mark up option
1101 summary with @gccoptlist and @gol. Use @r in one place where
1103 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
1104 * gcc.1: Generate from invoke.texi.
1106 2001-01-13 Richard Henderson <rth@redhat.com>
1108 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
1109 (struct page_entry): Add group member.
1110 (struct page_group): New.
1111 (struct globals): Add page_groups member.
1112 (alloc_anon): Only define for using mmap; remove valloc call.
1113 (page_group_index): New.
1114 (set_page_group_in_use): New.
1115 (clear_page_group_in_use): New.
1116 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
1117 (free_page, release_pages): Likewise.
1118 * configure.in (with-gc): Default to ggc-page always.
1120 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1122 * reload1.c (replace_pseudos_in_call_usage): Use
1123 reg_equiv_constant and reg_equiv_address, and don't try
1124 regno_reg_rtx first.
1126 2001-01-13 Richard Henderson <rth@redhat.com>
1128 * ggc-page.c (alloc_page): Round up allocation size to one page.
1129 Set e->order on extra pages.
1131 2001-01-13 Richard Henderson <rth@redhat.com>
1133 * genrecog.c (nodes_identical): Expand commentary.
1134 (write_switch): Watch out for identical nodes.
1136 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1138 * cppfiles.c (_cpp_fake_include): New function.
1139 * cpphash.h (_cpp_fake_include): New.
1140 * cpplib.c (do_line): Call _cpp_fake_include when entering
1141 header files in preprocessed input.
1142 * cppmain.c (cb_pragma_implementation): Remove handling.
1143 (setup_callbacks): Don't register pragmas.
1145 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1147 * extend.texi: Udate for CPP.
1149 2001-01-13 Andreas Jaeger <aj@suse.de>
1151 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
1153 * regmove.c: Add prototype for replace_in_call_usage.
1155 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1157 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
1158 struct cpp_chunk, struct htab, struct toklist,
1159 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
1160 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
1161 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
1162 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
1163 (struct macro_args): Delete.
1164 * cpphash.h: See above.
1166 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1168 * cppmain.c (struct printer): Remove no_line_dirs.
1170 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
1171 : Use options rather than CPP_OPTION.
1172 (setup_callbacks): Use cb rather than pfile->cb.
1173 (main): No need to check for a buffer. Use cpp_errors.
1174 (printer_init): Don't set no_line_dirs.
1175 (maybe_print_line): Use options not no_line_dirs.
1176 (cb_file_change): Don't call print_line if -P.
1178 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1180 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
1182 * c-parse.in (finish_parse): Use cpp_errors.
1183 (__yylex): Use return value of cpp_pop_buffer.
1184 * cp/lex.c (finish_parse): Use cpp_errors.
1185 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
1187 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
1189 * README.AVR: URLs corrected.
1191 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1193 * c-decl.c (start_function): Don't warn if old prototype is builtin
1194 that's not in C's namespace.
1195 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
1196 (_bb): Add prototype for ctime.
1197 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
1199 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
1201 * i386.c (ix86_fp_comparison_arithmetics_cost,
1202 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
1203 ix86_fp_comparison_cost): New functions.
1204 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
1205 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
1206 two-branch sequences; make static.
1207 (ix86_use_fcomi_compare): Do decision according to the costs.
1208 (split_fp_branch): New.
1209 * i386.md (compare-and-branch patterns): Use split_fp_branch.
1210 * i386-protos.h (ix86_expand_fp_compare): Remove
1211 (ix86_split_fp_branch): Declare.
1213 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
1214 and ix86_comparison_operator.
1216 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
1219 * i386.c (put_condition_code): Output properly the unordered/ordered
1220 compares in fp case.
1221 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1223 * tm.texi (REVERSE_CONDITION): Document.
1224 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1225 in -ffast-math mode.
1226 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1228 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1230 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1232 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1235 * config/sh/sh.c (mova_p): Fix test for mova_const.
1237 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1239 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1240 cpp_get_options rather than dereferencing pfile and using
1242 * scan-decls.c (scan_decls): Use return value of
1243 cpp_pop_buffer rather than CPP_BUFFER.
1245 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1247 * cppinit.c (cpp_handle_option): help_only is now part of the
1248 cpp_options structure.
1249 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1250 cpp_set_callbacks): New functions.
1251 * cpplib.h (cpp_callbacks): Break out as a named structure.
1252 (cpp_options): Move help_only here from cpp_reader.
1253 (CPP_FATAL_ERRORS): Update to use cpp_errors.
1254 (cpp_errors, cpp_get_options, cpp_get_callbacks,
1255 cpp_set_callbacks): New prototypes.
1256 * cppmain.c (main): Update for help_only.
1258 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1260 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1261 Also build and remove and install and uninstall c-tree.info and
1263 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1264 ($(srcdir)/cppinternals.info): New target.
1265 * c-tree.texi: Change file name used when makeinfo used without -o
1266 from ir.info to c-tree.info. Add info directory entry.
1267 * cppinternals.texi: Add info directory entry.
1268 * .cvsignore: Update.
1270 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1272 * c-typeck.c (store_init_value): Don't require constant initializer
1273 elements with -pedantic -std=c99.
1274 (digest_init): Change error about non-constant initializer elements
1276 (constructor_range_end): Remove.
1277 (constructor_incremental, designator_depth,
1278 designator_errorneous): New variables.
1279 (struct constructor_stack): Remove range_end, add incremental.
1280 (struct constructor_range_stack, constructor_range_stack): New.
1281 (struct initializer_stack): Add constructor_range_stack.
1282 (finish_init): Set it.
1283 (start_init): Likewise. require_constant_elements for non-static
1284 trees only if not flag_isoc99.
1285 (really_start_incremental_init): Remove constructor_range_end, add
1286 constructor_incremental.
1287 (pop_init_level): Likewise.
1288 (push_init_level): Likewise. If implicit and the subobject had some
1289 value set already, preinitialize the level with it.
1290 Warn about missing braces only if not pushing due to designators.
1291 (set_designator, push_range_stack): New functions.
1292 (set_init_label): Use them.
1293 (set_init_index): Likewise. Remove constructor_range_end.
1294 Error if designator index is outside of array bounds.
1295 (add_pending_init): Compare values of purpose index trees, not the
1296 trees themselves. Allow overwriting of already initialized element.
1297 Issue a warning if it had side-effects.
1298 (set_nonincremental_init, set_nonincremental_init_from_string): New
1300 (pending_init_member): Rename to...
1301 (find_init_member): ...this function. Call set_nonincremental_init
1302 if necessary. Compare values of purpose index trees, not the trees
1303 themselves. Return the actual value, not just non-zero if something
1305 (output_init_element): Remove checks for duplicates.
1306 If field has zero size, only check the initializer for correctness.
1307 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1308 if constructor_incremental is zero. Change error about initializers
1309 not computable at load time into pedwarn.
1310 (output_pending_init_elements): Compare bit positions, not
1311 FIELD_DECLs to take into account zero-sized fields.
1312 (process_init_element): Use constructor_range_stack to fill all
1313 ranges in the designator lists from current level up.
1314 * extend.texi: Update documentation for labeled elements.
1316 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1318 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1319 to function usage for arguments passed by reference. Optimize
1320 callee-copied arguments.
1321 * regmove.c (replace_in_call_usage): New function.
1322 (fixup_match_1): Call it.
1323 * cse.c (cse_insn): Canonicalize registers in function usage.
1324 * reload1.c (replace_pseudos_in_call_usage): New function.
1327 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1330 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1332 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1335 2001-01-12 DJ Delorie <dj@redhat.com>
1337 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1338 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1341 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1343 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1344 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1345 -std options alongside references to -ansi. Update some
1346 documentation for C99.
1347 * cpp.1: Regenerate.
1349 2001-01-12 Andreas Jaeger <aj@suse.de>
1351 * haifa-sched.c (restore_line_notes): Remove argument block B
1353 * sched-ebb.c (schedule_ebb): Change caller.
1354 * sched-rgn.c (schedule_region): Likewise.
1355 * sched-int.h (restore_line_notes): Adjust prototype.
1357 * loop.h: Remove wrong declaration of doloop_condition_get.
1359 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1361 * extend.texi: Move C++-extension-related node from the C section
1362 into the C++ section.
1364 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1366 * extend.texi: Refer to an array of pointers to functions instead
1367 of one of functions.
1369 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1370 Jan Hubicka <jh@suse.cz>
1372 * combine.c (reversed_comparison): Fix typo in last patch.
1374 (combine_reversed_comparison_code): Make static to follow
1375 prototype declaration.
1377 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1379 * install.texi: Remove misplaced duplicate entry.
1381 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1383 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1385 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1387 * final.c: (leaf_function_p): Fix typo.
1389 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1391 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1392 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1394 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1395 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1396 mmap_anon, and valloc is available.
1397 * ggc-page.c: Restructure ifdef logic to match new autoconf
1398 spec. Don't throw away the test page in init_ggc.
1400 * configure, config.in: Regenerate.
1402 2001-01-12 Michael Hayes <mhayes@redhat.com>
1404 * loop.h (total_biv_increment): Constify iv_class pointer.
1405 (struct induction): Replace `mem_mode' with `mem' rtx.
1406 * unroll.c (total_biv_increment): Constify iv_class pointer.
1407 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1408 (find_mem_givs, combine_givs_p): Likewise.
1409 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1411 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1413 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1415 (__gthread_getspecific): Ditto.
1417 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1419 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1420 put_condition_code): Convert fp comparison codes to integer
1422 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1425 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1426 * i386-protos.h (no_comparison_operator): Kill.
1428 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1430 * combine.c (REVERSIBLE_CC_MODE): Remove.
1431 (reversible_comparison_p): Remove.
1432 (combine_reversed_comparison_code): New.
1433 (reversed_comparison): New.
1434 (combine_simplify_rtx): Use
1435 combine_reversed_comparison_code/reversed_comparison instead
1436 of reversible_comparison_p.
1437 (simplify_if_then_else): Likewise.
1438 (simplify_set): Likewise.
1439 (simplify_logical): Likewise.
1440 (if_then_else_cond): Likewise.
1441 (known_cond): Likewise.
1442 (simplify_comparison): Likewise.
1444 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1446 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1447 sizeof (int) is larger than sizeof(__word__).
1449 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1451 * cppinit.c (do_includes): Fix typo.
1453 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1455 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1456 in S_REGS does not occur because not all sources are possible
1457 when a S_REGS is a destination (sometimes needs a clobber).
1458 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1459 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1460 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1461 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1462 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1463 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1464 (lshrdi_const1, lshrsi3_const16): Likewise.
1465 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1466 (*movhi_68hc12, *movqi_68hc12): Likewise.
1467 (movstrictqi): Make sure reloading in D_REGS as a destination
1470 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1472 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1474 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1476 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1477 -D, -U and -A, and don't initialize the builtins.
1478 (do_includes): Error if -include or -imacros with -fpreprocessed.
1479 * cppmain.c (cb_define, cb_undef): Unconditionally process
1481 * tradcpp.c (main): Fix typo.
1483 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1485 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1486 (read_name_map): Use IS_ABSOLUTE_PATH.
1487 * tradcpp.c (get_filename): Likewise.
1489 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1491 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1492 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1493 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1494 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1495 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1496 (cmphi_z_used): Don't use '@' for the output.
1497 (tstqi_z_used): Likewise.
1498 (cmpqi_z_used): Likewise.
1499 (one_cmplsi2): Likewise.
1501 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1503 * config/sh/sh.c (barrier_align): Recognize branch around far
1504 branch and redundant insn.
1506 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1508 * invoke.texi: Restore documentation of the drivers' switches -MD
1511 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1513 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1515 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1516 check-objc//%): Support parallel testing of multilibs.
1517 (TESTSUITEDIR): Set to testsuite by default, but override for
1519 (check-gcc, check-g++, check-g77, check-objc): Enter
1522 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1524 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1525 * sched-deps.c (deps_may_trap_p): Likewise.
1526 * basic-block.h: Remove a comment.
1527 * flow.c (PROP_POSTRELOAD): Remove.
1528 (update_life_info): Don't add it to prop_flags.
1529 (mark_set_1): Lose the code that was enabled by it.
1531 2001-01-11 Michael Hayes <mhayes@redhat.com>
1533 * flow.c (flow_call_edges_add): New.
1534 * basic_block.h (flow_call_edges_add): New.
1536 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1538 * reload1.c (move2add_note_store): Update reg_set_luid even if
1539 base reg remains the same.
1541 2001-01-10 Nick Clifton <nickc@redhat.com>
1543 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1544 machine_function structure to zero.
1545 Add prototypes for machine_status functions.
1547 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1549 * c-common.h (CTI_VOID_LIST): Remove.
1550 (void_list_node): Likewise.
1551 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1552 (void_list_node): New macro.
1553 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1554 * config/i386/i386.c (ix86_init_builtins): Likewise.
1555 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1557 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1559 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1560 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1562 * tradcpp.c: Include mkdeps.h.
1563 (deps, print_deps_phony_targets, deps_append, output_deps,
1564 init_dependency_output, output_deps): New.
1565 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1566 deps_output): Delete.
1567 (print_deps_missing_files): Rename deps_missing_files.
1568 (inhibit_output): Make global.
1569 (main): Delete inhibit_output, deps_stream, deps_target.
1570 Use mkdeps functionality in the same way as cpplib. Remove
1571 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1572 -M and -MM. Remove old handling of deps via deps_out, and
1573 old reading of environment variables.
1574 (get_filename): Update to use deps_add_dep.
1576 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1578 * output.h (make_function_rtl): Remove prototype.
1579 (make_decl_rtl): Likewise.
1580 * varasm.c (make_function_rtl): Remove.
1581 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1582 than from a third parameter.
1583 * tree.h (make_decl_rtl): Remove last parameter.
1584 * c-decl.c (builtin_function): Remove last argument in call to
1585 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1586 (start_function): Likewise.
1587 * except.c (call_get_eh_context): Likewise.
1588 * expr.c (emit_block_move): Likewise.
1589 (clear_storage): Likewise.
1590 * profile.c (output_func_start_profiler): Likewise.
1591 * toplev.c (rest_of_decl_compilation): Likewise.
1592 * objc/objc-act.c (create_builtin_decl): Likewise.
1593 (synth_module_prologue): Likewise.
1594 (generate_static_reference): Likewise.
1595 (build_selector_reference_decl): Likewise.
1596 (build_class_reference_decl): Likewise.
1597 (build_objc_string_decl): Likewise.
1598 (build_protocol_reference): Likewise.
1600 2001-01-10 Richard Henderson <rth@redhat.com>
1602 * hwint.h: Revert yesterday's change.
1604 2001-01-10 Nick Clifton <nickc@redhat.com>
1606 * function.h (save_machine_status): Delete.
1607 (restore_machine_status): Delete.
1608 Amend comment describing {init|mark|free}_machine_status.
1610 * function.c (save_machine_status): Delete.
1611 (restore_machine_status): Delete.
1612 Amend comment describing {init|mark|free}_machine_status.
1613 (push_function_context_to): Remove invocation of
1614 save_machine_status.
1615 (pop_function_context_from): Remove invocation of
1616 restore_machine_status.
1618 * emit-rtl.c (init_emit_once): Amend comment describing
1619 {init|mark|free}_machine_status.
1621 * tm.texi (Per-Function Data): New node. Describe the
1622 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1625 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1627 * cppinit.c (OPT_g): Remove.
1628 (cpp_handle_option): Update for removed -g3.
1629 (print_help): Update.
1630 * cpplib.h (struct cpp_options): Remove debug_output.
1631 * cppmain.c (setup_callbacks, cb_define): Update.
1632 * gcc.c (cpp_options): Translate -g3 to -dD.
1634 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1636 * config/i960/i960.md: Change modifier to + on the zero_extract
1637 pattern after the (rotate -2 reg) canonicalization pattern.
1639 2001-01-10 Richard Henderson <rth@redhat.com>
1641 * config/alpha/alpha.c (alpha_free_machine_status): New.
1642 (override_options): Install it.
1643 (alpha_mark_machine_status): Verify machine non-null.
1644 * config/i386/i386.c (ix86_free_machine_status): New.
1645 (override_options): Install it.
1646 (ix86_init_machine_status): Use xcalloc.
1647 (ix86_mark_machine_status): Verify machine non-null.
1648 * config/ia64/ia64.c (ia64_free_machine_status): New.
1649 (ia64_override_options): Install it.
1650 (ia64_mark_machine_status): Verify machine non-null.
1652 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1654 * function.c (instantiate_virtual_regs): Instantiate virtual
1655 registers found in CALL_INSN_FUNCTION_USAGE.
1657 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1659 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1660 equivalent to -ansi in disabling -Di386.
1662 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1664 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1666 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1668 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1670 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1672 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1674 * invoke.texi: Document that -fcond-mismatch isn't supported for
1677 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1679 * gcc.texi: Define macro gcctabopt.
1680 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1681 @command, @env and @option in some places where appropriate. Use
1682 @gcctabopt where appropriate. Put URLs and email addresses inside
1685 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1687 * gcc.c (cpp_options): Set MD file name from output
1688 filename, if specified.
1689 (suffix_subst): New static variable.
1690 (do_spec): Clear it.
1691 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1693 (give_switch): Handle suffix_subst.
1695 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1697 * invoke.texi: Fix another typo.
1699 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1701 * invoke.texi: Fix typo.
1703 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1705 * c-lang.c (lang_hooks): Update.
1706 (lang_decode_option): Remove.
1707 (lang_init_options): Rename c_init_options.
1708 * toplev.c (main): Use lang_hooks for lang_init_options
1709 and lang_decode_option.
1710 * toplev.h (lang_hooks): Add 2 new hooks.
1711 * tree.h: Remove lang_init_options and lang_decode_option.
1712 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1713 * cp/decl2.c: Similarly.
1714 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1715 (lang_hooks): Update.
1716 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1718 (lang_init_options): Rename ffe_init_options.
1719 (lang_hooks): Update.
1720 (lang_decode_option): Remove.
1721 * java/lang.c (lang_init_options): Rename java_init_options.
1722 (lang_decode_option): Rename java_decode_option.
1723 (lang_hooks): Update.
1724 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1725 (lang_decode_option): Rename objc_decode_option.
1726 (lang_hooks): Update.
1728 2001-01-09 Nick Clifton <nickc@redhat.com>
1730 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1731 (d30v_return_addr_rtx): Delete.
1732 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1733 cfun->machine structure.
1734 (struct machine_function): Move to d30v.h
1735 (d30v_save_machine_status): Delete.
1736 (d30v_restore_machine_status): Delete.
1737 (d30v_init_machine_status): New Function.
1738 (d30v_mark_machine_status): New Function.
1739 (d30v_free_machine_status): New Function.
1740 (d30v_init_expanders): Use new functions.
1741 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1742 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1743 d30v_return_addr_rtx.
1745 * config/d30v/d30v.h (struct_machine): Move here.
1746 Add eh_epilogue_sp_ofs field.
1748 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1749 field in cfun->machine structure.
1751 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1753 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1754 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1755 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1757 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1759 * objc/lang-options.h: Remove bogus reference to
1762 2001-01-09 Kazu Hirata <kazu@hxi.com>
1764 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1767 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1769 * reload.c (find_reloads_address): Check for eliminable registers
1770 when substituting a constant expression for a pseudo.
1772 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1774 * c-common.c (enum format_type): Add format_type_error.
1775 (decode_format_type): New function.
1776 (decl_attributes): Use it.
1777 (format_kind_info): Adjust comment.
1779 2001-01-09 David O'Brien <obrien@BSDi.com>
1781 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1782 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1784 * config/i386/gnu.h: Don't include required platform specific .h files,
1785 tm.h will do it instead.
1786 * config/i386/i386elf.h: Likewise.
1787 * config/i386/linux.h: Likewise.
1788 * config/i386/moss.h: Likewise.
1789 * config/mips/gnu.h: Likewise.
1791 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1793 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1794 (rs6000-ibm-aix3.[01]*): Likewise.
1795 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1796 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1797 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1798 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1799 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1800 (powerpc-*-eabiaix*): Likewise.
1801 (powerpc-*-eabisim*): Likewise.
1802 (powerpc-*-elf*): Likewise.
1803 (powerpc-*-eabi*): Likewise.
1804 (powerpc-*-rtems*): Likewise.
1805 (powerpc-*-linux*libc1): Likewise.
1806 (powerpc-*-linux*): Likewise.
1807 (powerpc-wrs-vxworks*): Likewise.
1808 (powerpcle-wrs-vxworks*): Likewise.
1809 (powerpcle-*-sysv*): Likewise.
1810 (powerpcle-*-elf*): Likewise.
1811 (powerpcle-*-eabisim*): Likewise.
1812 (powerpcle-*-eabi*): Likewise.
1813 (powerpcle-*-solaris2*): Likewise.
1814 * config/rs6000/aix31.h: Delete includes.
1815 * config/rs6000/aix3newas.h: Likewise.
1816 * config/rs6000/aix41.h: Likewise.
1817 * config/rs6000/aix43.h: Likewise.
1818 * config/rs6000/beos.h: Likewise.
1819 * config/rs6000/rtems.h: Likewise.
1820 * config/rs6000/sysv4.h: Likewise.
1822 2001-01-09 Kazu Hirata <kazu@hxi.com>
1824 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1825 Change an argument mode of machine_mode to shift_mode of
1826 shift_mode. Remove an extra error check.
1827 (emit_a_shift): Adopt to the new calling prototype of
1829 (function_prologue): Fix code for a monitor
1830 function. Support H8/S.
1831 (function_epilogue): Do not output pop for a monitor function.
1833 2001-01-09 Nick Clifton <nickc@redhat.com>
1835 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1836 (setup_incoming_varargs): Use sysv_varargs_p field of the
1837 cfun->machine structure.
1838 (struct machine_function): Move to rs6000.h
1839 (rs6000_save_machine_status): Delete.
1840 (rs6000_restore_machine_status): Delete.
1841 (rs6000_init_machine_status): New Function.
1842 (rs6000_free_machine_status): New Function.
1843 (rs6000_init_expanders): Use new functions.
1845 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1847 (struct machine_function): Move here.
1849 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1850 sysv_varargs_p field of the cfun->machine structure.
1852 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1854 (rs6000_restore_machine_status): Remove prototype.
1856 2001-01-09 Richard Henderson <rth@redhat.com>
1858 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1859 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1860 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1861 (sched_analyze_2, sched_analyze_insn): Likewise.
1862 (sched_analyze, init_deps): Likewise.
1863 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1864 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1865 (compute_block_backward_dependences): Update propagate_deps call.
1867 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1869 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1871 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1873 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1874 (cpp_handle_option): Handle them.
1875 (cpp_post_options): Ensure one of -M or -MM is specified with
1876 any other -M? option.
1877 (init_dependency_output): Suppress output with -MG.
1879 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1882 * invoke.texi: Update.
1884 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1886 * sh.md (reload_outsf): Generate recognizable patterns for
1889 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1891 * c-lang.c (lang_hooks): Update.
1892 (lang_init): Rename c_init.
1893 (lang_finish): Remove.
1894 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1896 * toplev.h (lang_hooks): Add init () and finish ().
1897 * tree.h (lang_init, lang_finish): Remove.
1898 * cp/tree.h (lang_init, lang_finish): Remove.
1899 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1900 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1902 (lang_init, lang_finish): Remove.
1903 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1904 (lang_hooks): Update.
1905 * java/lang.c (lang_init): Rename java_init.
1906 (lang_finish): Remove.
1907 (lang_hooks): Update.
1908 * objc/objc-act.c (lang_init): Rename objc_init.
1909 (lang_finish): Remove.
1910 (lang_hoooks): Update.
1912 20001-01-09 Graham Stott <grahams@redhat.com>
1914 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1915 after `ptr` is initialised.
1917 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1919 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1920 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1921 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1922 stack adjusts, instead of r3.
1924 2001-01-09 Michael Hayes <mhayes@redhat.com>
1926 * flow.c (flow_loop_scan): Break out of ...
1927 (flow_loops_find) ... here.
1928 * basic-block.h (flow_loop_scan): New.
1929 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1930 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1932 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1934 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1936 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1937 realloc()ing macro_buffer.
1939 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1940 if it's wider than long and the target's long is wider than the
1943 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1945 Remove support for using UWIN as a host machine.
1946 * configure.in: Issue an error message.
1947 * configure: Regenerated.
1948 * config.gcc: Remove xm_* UWIN configury.
1949 * config/i386/xm-uwin.h: Remove.
1951 2001-01-08 Nick Clifton <nickc@redhat.com>
1953 * config/v850/v850.c (ra_rtx): Delete.
1954 (v850_save_machine_status): Delete.
1955 (v850_restore_machine_status): Delete.
1956 (v850_init_machine_status): New function.
1957 (v850_mark_machine_status): New function.
1958 (v850_free_machine_status): New function.
1959 (v850_return_addr): Use ra_rtx field in machine structure.
1960 (v850_init_expanders): Use new functions.
1962 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1963 * config/v850/v850.c: Change arguments to v850_output+* functions
1964 to take a const char *, to avoid compile time warning.
1965 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1966 (USER_LABEL_PREFIX): Redefine.
1968 2000-01-08 Jim Wilson <wilson@redhat.com>
1970 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1971 1 to unsigned HOST_WIDE_INT before left shift.
1973 2001-01-08 Nick Clifton <nickc@redhat.com>
1975 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1976 the machine structure has been allocated.
1977 (arm_free_machine_status): New function: Free the machine
1978 specific function structure.
1980 2001-01-08 Richard Henderson <rth@redhat.com>
1982 * jump.c (simplejump_p): Revert last change.
1984 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1986 * cppinit.c (init): Rename init_library.
1987 (cpp_create_reader): Update.
1988 * gcc.c (cpp_options): If -o given, use it as the target of
1991 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1993 * arm.c (arm_arch5e): New variable.
1994 (all_cores): XScale is a 5TE device.
1995 (arm_override_options): Set arm_arch5e.
1996 (arm_init_builtins): __builtin_prefetch is in arch5e.
1997 * arm.h (arm_arch5e): Declare it.
1999 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
2001 * arm.md (define_constants): Add defines for UNSPEC and
2002 UNSPEC_VOLATILE insns. Update all users.
2003 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
2004 * arm.c (multi_register_push, note_invalid_constants)
2005 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
2006 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
2007 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
2009 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
2011 * jump.c (jump_optimize_1): Use reversed_comparison_code
2012 instead of can_reverse_comparison_p.
2013 (jump_back_p): Likewise.
2014 (invert_exp_1): Likewise.
2015 (thread_jumps): Likewise.
2016 * simplify-rtx.c (simplify_unary_operation): Likewise.
2017 (simplify_ternary_operation): Likewise.
2018 * cse.c (find_comparison_args): Convert to use
2019 can_reverse_comparison_p.
2020 (record_jump_equiv): Likewise.
2022 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2024 * arm.h (HARD_REGNO_RENAME_OK): Delete.
2025 (EPILOGUE_USES): Define.
2026 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
2027 automatically stack the LR if it isn't live.
2029 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
2031 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
2034 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
2036 * ggc-page.c (max_alignment): New structure.
2037 (MAX_ALIGNMENT): New macro.
2038 (init_ggc): Use it to round up the sizes in the
2039 extra_order_size_table.
2041 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2043 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
2046 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2048 * builtins.def (BUILT_IN_FPRINTF): New entry.
2050 * c-common.c (c_expand_builtin_fprintf): New function.
2051 (init_function_format_info): Handle __builtin_fprintf.
2052 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
2053 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
2055 * c-decl.c (duplicate_decls): Adjust comment.
2057 * extend.texi (fprintf): Document new builtin.
2059 2001-01-07 Richard Henderson <rth@redhat.com>
2061 * jump.c (simplejump_p): Recognize any single_set jump
2064 2001-01-07 Richard Henderson <rth@redhat.com>
2066 * configure.in (slibdir): Accept an --with-slibdir option.
2067 Use "test" not "[" in configure. Default to $(libdir).
2069 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
2071 * config/t-aix43 (SHLIB_INSTALL): Likewise.
2072 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
2073 (SHLIB_LINK): Create links for the soname.
2074 * config/mips/t-iris6: Likewise.
2075 * config/sparc/t-slibgcc: Likewise.
2076 * config/sparc/t-slibgcc-sld: Likewise.
2078 2001-01-07 Jakub Jelinek <jakub@redhat.com>
2080 * config/i386/i386.c (constant_call_address_operand): Accept
2081 (const (plus (symbol_ref) (const_int))).
2082 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
2083 constant_call_address_operand.
2085 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2087 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
2088 and LONG_LONG_TYPE_SIZE > 32.
2090 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2092 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
2093 the previous change.
2095 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
2097 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
2099 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
2100 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
2101 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
2104 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2106 * fix-header.c (read_scan_file): s/pfile/scan_in/.
2108 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2110 * c-lang.c (c_post_options): Call cpp_post_options.
2111 * objc/objc-act.c (objc_post_options): Similarly.
2112 * cppmain.c (main): Similarly.
2113 * fix-header.c (read_scan_file): Similarly.
2114 * cppinit.c (cpp_start_read): Move option consistency checks
2115 to cpp_post_options. Don't call init_dependency_output.
2116 If needed, add default target and main file dependency.
2117 (OPT_MD, OPT_MMD): Remove.
2119 (cpp_handle_option): Update for OPT_* changes.
2120 (cpp_post_options): New.
2121 (init_dependency_output): Command line -MF overrides environment
2122 variables. Don't set default target etc. Suppress output
2123 if dependencies are going to stdout.
2124 (print_help): Update.
2125 * cpplib.h (cpp_post_options): New.
2126 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
2128 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
2130 * jump.c (comparison_dominates_p): Support unordered compares.
2132 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
2134 * simplify-rtx.c (simplify_relational_operation): Always simplify
2135 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
2138 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
2140 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
2141 (nonzero_bits): Likewise.
2142 (simplify_comparison): Likewise.
2143 (num_sign_bit_copies): Likewise; return more sane value depending
2144 on STORE_FLAG_VALUE.
2145 (known_cond): Do not assume EQ to be always true for equivalent
2148 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
2150 * cse.c (fold_rtx): Handle unordered comparisons.
2152 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
2154 * rtlanal.c (set_of_1): New static function.
2155 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
2156 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
2157 reg_set_last_last_regno): Remove.
2158 (set_of): New global function.
2159 (set_of_data): New structure.
2160 (reg_set_p, reg_set_last): Revamp for set_of.
2161 * rtl.h (set_of): New.
2163 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
2165 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
2166 * extend.texi: Document _Exit builtin.
2168 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2170 * (initialize, initialize_builtins,
2171 initialize_dependency_output, initialize_standard_includes):
2172 Rename s/initialize/init. Update.
2173 (init_dependency_output): Move to after
2174 cpp_handle_options, the correct location temporally at least.
2175 (opt_comp): Move next to init (), its caller. Fix prototype.
2176 (init): Make "initialized" local scope.
2177 (cpp_create_reader): Always call init ().
2178 (cpp_start_read): Update.
2179 (output_deps): New function, broken out of cpp_finish.
2180 (cpp_finish): Break out output_deps.
2182 2001-01-07 Richard Henderson <rth@redhat.com>
2184 * collect2.c (COFF specific stuff): Revert 12-06 patch
2185 to prototype system functions.
2187 2001-01-07 Michael Hayes <mhayes@redhat.com>
2189 * hard-reg-set.h: Add multiple include guard.
2190 * basic-block.h (struct loop): Add `sink' field.
2191 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
2192 (emit_iv_add_mult): Delete.
2193 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
2194 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
2195 (unroll_loop): Remove end_insert_before argument.
2196 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
2197 (maybe_eliminate_biv_1): Likewise.
2198 (emit_iv_add_mult): Delete.
2199 (gen_add_mult, loop_regs_update): New.
2200 (loop_insn_emit_after, loop_insn_emit_before): New.
2201 (loop_insn_sink, loop_insn_sink_or_swim): New.
2202 (emit_iv_add_mult): Delete.
2203 (scan_loop): Set loop->sink.
2204 (loop_givs_reduce): Use loop_insn_sink and its ilk.
2205 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
2206 (maybe_eliminate_biv_1): Likewise.
2207 (maybe_eliminate_biv_1): Add basic block argument.
2208 * unroll.c (unroll_loop): Remove end_insert_before argument.
2209 (find_splittable_regs): Likewise.
2210 (find_splittable_regs): Use loop_insn_sink and its ilk.
2211 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2213 2001-01-07 Michael Hayes <mhayes@redhat.com>
2215 * loop.h (loop_insn_hoist): New prototype.
2216 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
2217 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
2218 (check_dbra_loop, load_mems): Likewise.
2219 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
2220 (find_splittable_givs): Likewise.
2222 2001-01-07 Michael Hayes <mhayes@redhat.com>
2224 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2226 2001-01-07 Richard Henderson <rth@redhat.com>
2228 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2230 2001-01-07 Richard Henderson <rth@redhat.com>
2232 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2233 NO_SHARED_LIBGCC_MULTILIB as required for the target.
2234 * gcc.c (init_spec): Massage the existing libgcc_spec into a
2235 variant that handles a shared libgcc.
2236 (process_command): Always validate -{static,shared}-libgcc.
2237 (do_spec_1): New 'M' case.
2238 * invoke.text (Link Options): Document -{static,shared}-libgcc.
2240 2001-01-07 Richard Henderson <rth@redhat.com>
2242 * Makefile.in (slibdir): New variable.
2243 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2244 (installdirs): Create slibdir.
2245 (install-libgcc, install-multilib): Defer to libgcc.mk.
2246 * configure.in (slibdir): Substitute.
2247 * mklibgcc.in (install): New target.
2249 * config/t-linux (SHLIB_LINK): Create links for the soname.
2250 (SHLIB_INSTALL): New.
2251 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2252 * config/mips/t-iris6 (SHLIB_INSTALL): New.
2253 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2254 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2255 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2257 2001-01-07 Richard Henderson <rth@redhat.com>
2259 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2260 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2261 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2263 2001-01-07 Michael Hayes <mhayes@redhat.com>
2265 * loop.c (count_loop_regs_set): Delete.
2266 (load_mems_and_recount_loop_regs_set): Delete.
2267 (loop_regs_scan): Merge common code from count_loop_regs_set,
2268 scan_loop, and load_mems_and_recount_loop_regs_set.
2269 (scan_loop): Call load_mems directly and loop_regs_scan
2270 again if new registers created.
2272 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2274 * toplev.c (main): Call the front-end specific post_options
2275 hook if one is given.
2276 * toplev.h (struct_lang_hooks, lang_hooks): New.
2277 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2278 for the C front end.
2279 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2280 lang_hooks for the C++ front end.
2281 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2282 lang_hooks for the ObjC front end.
2283 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2284 * java/lang.c (lang_hooks): Hooks for the Java front end.
2286 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2288 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2289 for verbose DWARF[2] debugging.
2290 (cb_define, cb_undef): The new callbacks.
2291 * toplev.h (debug_define, debug_undef): Make const correct.
2292 * toplev.c (debug_define, debug_undef): Similarly. Do not
2293 perform the verbosity tests here anymore.
2295 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2297 * reload.c (subst_reloads): Take INSN argument. When
2298 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2299 * reload.h (subst_reloads): Adjust prototype.
2300 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2301 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2302 present in JUMP_INSNs and copy them to JUMP_LABEL.
2303 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2304 JUMP_INSNs and insns with REG_LABELs that are followed by
2305 JUMP_INSNs with the same REG_LABEL.
2306 * sched-rgn.c (is_cfg_nonregular): Likewise.
2307 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2309 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2311 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2313 2001-01-06 Richard Henderson <rth@redhat.com>
2315 * loop.c (scan_loop): Use xcalloc for the regs array.
2316 (load_mems_and_recount_loop_regs_set): Zero the new memory
2317 received from xrealloc.
2319 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2321 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2323 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2325 * integrate.c (copy_rtx_and_substitute): When copying
2326 an ignored return value, strip REG_FUNCTION_VALUE_P.
2328 2001-01-06 Michael Hayes <mhayes@redhat.com>
2330 * loop.c (debug_biv, debug_giv): New.
2331 (loop_biv_dump): Break out from ...
2332 (record_biv): ... here.
2333 (loop_giv_dump): Break out from ...
2334 (record_giv): ... here.
2335 (loop_bivs_check): Use print_simple_rtl.
2336 * unroll.c (loop_iterations): Use print_simple_rtl.
2338 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2340 * pa.md (return, return_internal): Modify patterns to prevent regrename
2341 mucking with the return pointer.
2343 2001-01-05 Richard Henderson <rth@redhat.com>
2345 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2347 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2349 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2350 version supplied by Matteo Frigo.
2352 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2354 * cpp.texi: Update for -MQ.
2355 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2356 (cpp_cleanup): Always free pfile->deps.
2357 (initialize_dependency_output): Don't create pfile->deps.
2358 (cpp_handle_option): Similarly.
2360 * gcc.c (cpp_options): Handle -MQ.
2361 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2362 * mkdeps.c (base_name): Remove.
2363 (deps_init): Don't allocate vector space until it's needed.
2364 (deps_free): Only free vectors if allocated.
2365 (deps_add_target, deps_add_dep): Update for initial allocation.
2366 (deps_add_default_target): Don't strip to the base_name.
2368 2001-01-05 DJ Delorie <dj@redhat.com>
2370 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2371 (INIT_EXPANDERS): Define.
2373 * config/v850/v850.c (struct machine_function): Define.
2374 (v850_save_machine_status): New function.
2375 (v850_restore_machine_status): New function.
2376 (v850_return_addr): New function.
2377 (v850_init_expanders): New function.
2379 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2380 and v850_init_expanders.
2382 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2384 * cpplib.h (struct cpp_reader): Add help_only field.
2385 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2386 (cpp_handle_option): Set pfile->help_only if we see -h,
2387 --help, -target-help, or --version. Print version string but
2388 do not set help_only if we see -v or -version. Make text
2389 printed by -v match that printed by (-)-version.
2391 * cppmain.c (main): Exit after option parsing if
2392 pfile->help_only is true.
2394 * toplev.c (independent_decode_option): Call print_version,
2395 then exit, if we see --version (but not -version).
2396 (print_version): Split lengthy message into two lines.
2398 2001-01-05 Nick Clifton <nickc@redhat.com>
2400 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2401 temporary string for initialisation before calling ggc_alloc_string.
2403 2001-01-06 Michael Hayes <mhayes@redhat.com>
2405 * rtl.h (print_simple_rtl): New.
2406 * print-rtl.c (print_simple_rtl): New.
2408 (print_rtx): Disable printing of flags and modes, etc.,
2409 if `flag_simple` nonzero.
2411 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2413 * function.c (fixup_var_refs): Use push_to_full_sequence where
2416 2001-01-05 Michael Meissner <meissner@redhat.com>
2418 * flags.h (flag_reorder_blocks): Add declaration.
2419 (flag_rename_block): Ditto.
2421 2001-01-05 DJ Delorie <dj@redhat.com>
2423 * function.c (reorder_blocks): Make sure the flags are all reset
2424 before using them to mark blocks, else a second invocation will
2425 corrupt the block chain.
2426 (reorder_blocks_0): New, resets the flags.
2428 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2430 * cse.c (find_comparison_args): Stop if the argument is known to
2433 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2435 * config/sh/sh.md (movdf): When splitting load into pair of
2436 registers, don't clobber the register used in the address too
2439 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2441 * varasm.c (mark_constant_pool): Improve initial comments.
2442 (mark_constants): Move marking of constants to mark_constant.
2443 (mark_constant): New function to recursively mark all constants
2444 referred to by a constant.
2446 2001-01-05 Catherine Moore <clm@redhat.com>
2448 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2450 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2452 * cp/lang-options.h: Bring comment in line with reality.
2453 * f/lang-options.h: Likewise.
2454 * java/lang-options.h: Likewise.
2455 * objc/lang-options.h: Likewise.
2456 * ch/lang-options.h: Likewise.
2457 * f/g77.texi: And update the manual.
2459 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2460 Denis Chertykov <denisc@overta.ru>
2462 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2463 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2464 * config/avr/avr.md (all peepholes that request a scratch register):
2465 Call it, FAIL the peephole if not safe (in interrupt functions).
2467 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2469 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2471 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2473 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2475 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2476 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2477 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2478 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2479 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2481 * extend.texi: Document these builtins.
2483 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2485 * c-common.c (lang_get_alias_set): Say we know nothing of
2486 VECTOR_TYPE aliasing.
2488 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2490 2001-01-05 Bruce Korb <bkorb@gnu.org>
2492 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2493 their x* equivalent versions for atexit-less systems
2494 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2495 systems (or any other system any more).
2497 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2499 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2500 output operands. Use arm_hard_register_operand for operand 4.
2501 (stmsi_postinc): Similarly.
2502 (ldmsi): Use arm_hard_register_operand for opernand 2.
2504 * arm.c (arm_hard_register_operand): New function.
2505 * arm-protos.h (arm_hard_register_operand): Prototype it.
2507 * arm.h (HARD_REGNO_RENAME_OK): Define.
2509 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2511 * simplify-rtx.c (cfc_args): add "unordered" field.
2512 (check_fold_consts): Set unordered field.
2513 (simplify_relational_operation): Simplify the unordered
2516 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2519 * emit-rtl.c (try_split): Fix code to mark labels.
2520 * jump.c (mark_jump_label): Make global.
2521 * rtl.h (mark_jump_label): Declare.
2523 * predict.c (estimate_probability): Handle unordred comparisons.
2525 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2527 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2528 * cppinit.c (initialize_dependency_output): Update.
2529 (cpp_finish): Output dummy targets for -MP.
2531 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2532 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2533 * gcc.c (cpp_options): Update to handle -MP.
2534 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2535 to quote only the default target.
2536 (deps_phony_targets): Insert a preceding newline. Rename from
2537 deps_dummy_targets for consistency.
2540 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2542 * calls.c (emit_library_call_value_1): Support
2543 INIT_CUMULATIVE_LIBCALL_ARGS.
2544 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2546 2001-01-04 Richard Henderson <rth@redhat.com>
2548 * c-decl.c (finish_struct): Detect flexible array members
2549 used in an inappropriate context.
2550 * c-typeck.c (really_start_incremental_init): Special case
2551 constructor_max_index for zero length arrays.
2552 (pop_init_level): Allow initialization of flexible array
2553 members. Deprecate initialization of zero length arrays.
2554 Don't issue missing initializer warning for flexible array
2555 members or zero length arrays.
2556 (process_init_element): Don't dereference null DECL_SIZE.
2557 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2558 Don't abort for empty constructors. Use size_binop
2559 (output_constructor): Add commentary regarding zero length
2560 array futures. Abort if we try to initialize an array of
2561 unspecified length with a non-empty constructor in the middle
2564 * extend.texi (Zero Length): Update and clarify documentation
2565 on static initialization.
2567 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2569 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2570 with more than 32767 words of local storage.
2572 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2574 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2575 for 'abs', 'labs', and 'fabs'.
2576 (c4x_expand_builtin): Likewise.
2577 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2579 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2581 * config/sh/sh.md (prget, prset): New insn types.
2582 (return delay slot): Dont' allow prset.
2583 (call, sfunc delay slot): Don't allow prget.
2584 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2585 for prset and prget.
2587 2001-01-05 Michael Hayes <mhayes@redhat.com>
2589 * loop.h (struct loop_reg): New.
2590 (struct loop_regs): Change to use array of `struct loop_reg'.
2591 * loop.c: Replace assortment of varrays with single regs array.
2592 (count_one_set): Delete may_not_move array argument
2593 and use regs array instead. All caller's changed.
2594 (count_loop_regs_set): Delete may_not_move and single_usage
2595 arguments and use regs array instead. All caller's changed.
2596 (find_single_use_in_loop): Replace usage array argument with pointer
2597 to regs structure. All caller's changed.
2598 (loop_optimize): Delete `moved_once' array.
2600 2001-01-05 Michael Hayes <mhayes@redhat.com>
2602 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2603 Use it instead of loop_info->has_call for scanning loop mems.
2604 (check_dbra_loop): Replace loop_info->has_call test with
2605 loop_info->has_nonconst_call.
2607 2000-01-04 Matthew Hiller <hiller@redhat.com>
2609 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2612 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2614 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2615 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2617 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2619 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2620 (flag_short_double, flag_short_wchar): Define.
2621 (c_common_nodes_and_builtins): Create many tree nodes shared
2622 between C and C++ here instead of in cp/decl.c and ...
2623 * c-decl.c (init_decl_processing): ... here.
2624 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2625 (flag_short_double, flag_short_wchar): Don't define.
2626 (record_builtin_type): New function.
2627 (build_void_list_node): New function.
2628 * c-common.h (flag_short_double, flag_short_wchar,
2629 record_builtin_type, build_void_list_node): Declare.
2631 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2633 * integrate.c (expand_inline_function): Don't put a virtual
2634 register into the reg map.
2636 * function.c (fixup_var_refs_1): If force_operand didn't put
2637 the address into the target, move it there.
2639 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2641 Special-case tree_decl/tree_list allocations.
2642 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2643 (OBJECT_SIZE): New macro.
2644 (NUM_EXTRA_ORDER): Likewise.
2645 (extra_order_size_table): New variable.
2646 (NUM_ORDERS): New macro.
2647 (objects_per_page_table): New variable.
2648 (object_size_table): New variable.
2649 (G.pages): Use NUM_ORDERS to bound the array.
2650 (G.page_tails): Likewise.
2651 (DIV_ROUND_UP): Remove.
2652 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2653 (alloc_page): Use OBJECT_SIZE.
2654 (size_lookup): Don't make it const.
2655 (ggc_alloc): Use OBJECT_SIZE.
2656 (ggc_set_mark): Likewise.
2657 (ggc_get_size): Likewise.
2658 (init_ggc): Set up the object_size_table, objects_per_page_table,
2659 and adjust size_lookup.
2660 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2661 (ggc_pop_context): Use NUM_ORDERS.
2662 (clear_marks): Likewise.
2663 (sweep_pages): Likewise.
2664 (poison_pages): Likewise.
2665 (ggc_print_statistics): Use OBJECT_SIZE.
2667 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2669 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2670 Only call array_size_for_constructor if last field and array type
2671 with no upper bound.
2673 2001-01-04 Philip Blundell <philb@gnu.org>
2675 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2676 from bit 31 downwards, if this requires no more insns.
2677 (count_insns_for_constant): New helper function for above.
2679 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2681 * gencodes.c (output_predicate_decls): Remove empty initializer.
2683 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2685 * tree.c (copy_node): Remove documentation about obstacks.
2686 (buidl1): Check that nobody tries to build 2-argument nodes this
2689 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2691 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2694 * gencodes.c (output_predicate_decls): Fill empty initializer
2697 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2699 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2700 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2702 (do_include): Handle missing headers like cpp0.
2703 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2704 paths with first include pathname. Don't strcat to uninitialized
2707 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2709 * regrename.c (regrename_optimize): Don't rename from frame pointer
2710 if frame_pointer_needed.
2711 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2712 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2713 (ia64_reorg): Use it instead of scheduling if ! optimize.
2714 (errata_emit_nops): Properly call asm_noperands.
2715 (ia64_sched_reorder): Finish cycle if we see an asm.
2716 (ia64_variable_issue): Clear scheduling state after asms.
2718 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2720 * cpp.texi: Update for -MT.
2721 * cppinit.c (initialize_dependency_output): Add a default
2722 target if none has been given already.
2723 (no_tgt, OPT_MT): New.
2724 (cpp_handle_option): Handle -MT. Update -M etc.
2725 * cpplib.h (struct cpp_options): Remove deps_target.
2726 * gcc.c (cpp_options): Handle -MT.
2727 * mkdeps.c (struct deps): Move from mkdeps.h.
2728 (deps_calc_target): Rename deps_add_default_target. Add a
2729 default target if none has been specified already.
2730 * mkdeps.h (struct deps): Move to mkdeps.c.
2731 (deps_calc_target): Rename deps_add_default_target.
2733 2000-01-03 Richard Henderson <rth@redhat.com>
2735 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2737 * c-typeck.c (push_init_level): Move checks for flexible array
2738 members and zero length arrays ...
2739 (pop_init_level): ... here. Silently discard empty initializations.
2741 * varasm.c (output_constructor): Update for sizeof change to
2744 * extend.texi (Zero Length): Clarify semantics.
2746 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2748 * configure.in (tm.h): Include isns-codes.h last.
2749 * configure: Rebuilt.
2751 2001-01-03 Richard Henderson <rth@redhat.com>
2753 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2754 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2756 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2758 * tradcpp.c (main): Make sure finclude() is called with a valid
2759 indepth value while handling -include.
2761 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2763 * gencodes.c (output_predicate_decls): New function.
2765 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2766 even if it is not the first time machmode.h is #included.
2767 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2768 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2769 * gcc.texi (Copyright): Added 2001.
2771 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2773 * c-common.c (c_common_lang_init): New function. Warn if format
2774 warning options which only have effects when used with -Wformat
2775 are used without -Wformat.
2776 * c-common.h (c_common_lang_init): Declare.
2777 * c-lang.c (lang_init): Call c_common_lang_init.
2778 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2780 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2782 * configure.in: Check for the mktemp command.
2783 * configure: Regenerate.
2784 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2785 $TEMP. Create temporary files with mktemp, if available at
2786 configure time; otherwise use set -C. Remove temporary files
2789 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2791 * configure.in: Require at least texinfo 4.0. Check for whether
2792 Pod::Man is sufficiently recent to regenerate GCC manpages.
2793 * configure: Regenerate.
2794 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2796 (GENERATED_MANPAGES): Define.
2797 (generated-manpages): New target. Depend on cpp.1 as well as
2799 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2800 configure to generated-manpages or empty) rather than on the
2801 manpages directly. Remove execute permission from installed
2802 gcov.1 as well as cpp.1.
2803 * cpp.1, gcov.1: Regenerate.
2805 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2807 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2808 tree_low_cst. Allow using cmpstrsi in more cases.
2810 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2812 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2815 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2817 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2818 * Makefile.in (HOST_CFLAGS): Mention build-make.
2820 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2822 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2825 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2827 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2830 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2833 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2834 reg_base_value and reg_known_value arrays.
2835 (init_alias_analysis): Add more cases to detect known values.
2836 * sched-deps.c (deps_may_trap_p): New function.
2837 (sched_analyze_2): Use it.
2839 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2841 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2842 don't discard an ASHIFTRT if we're shifting in a wider mode.
2844 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2846 * toplev.c (rest_of_compilation): Don't print basic block information
2847 when CFG isn't up to date.
2849 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2851 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2852 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2853 (UNALIGNED_SHORT_ASM_OP): Define.
2854 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2856 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2858 * fold-const.c (fold_convert): Fix typo.
2860 2001-01-02 Richard Henderson <rth@redhat.com>
2862 * c-common.h (ASM_INPUT_P): New.
2863 * c-parse.in (asm): Set it when needed.
2864 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2865 existance of an operand.
2867 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2869 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2870 (dwarf2out_frame_debug_expr): Likewise.
2871 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2873 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2875 * i386.c (ix86_split_to_parts): Return number of part required;
2877 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2879 (ix86_split_long_move): Use number of part returned
2880 by ix86_split_to_parts
2881 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2883 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2884 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2885 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2886 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2887 (ALIGN_MODE_128): Add TFmode.
2888 (IS_STACK_MODE): Likewise.
2889 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2890 (HARD_REGNO_OK): Support TFmodes.
2891 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2892 * i386.md (scheduler definitions): Use memory operand to determine
2893 fst/fld instructions; use mode attribute to determine real mode of
2895 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2896 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2898 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2900 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2902 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2904 * expr.c (store_constructor_field): Update ALIGN before calling
2907 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2909 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2912 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2914 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2917 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2919 * c-decl.c (start_function): Don't warn on third parameter to main.
2921 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2923 * tsystem.h: Define HAVE_DECL_GETOPT.
2925 2001-01-02 Philip Blundell <pb@futuretv.com>
2927 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2930 2001-01-02 Richard Henderson <rth@redhat.com>
2932 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2934 2001-01-02 Andreas Jaeger <aj@suse.de>
2936 * c-decl.c (c_decode_option): Remove support of
2939 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2940 (W_options): Add -Wmissing-noreturn here.
2942 * flow.c: Define lang_missing_noreturn_ok_p.
2943 (check_function_return_warnings): Use it.
2945 * c-common.h: Declare lang_missing_noreturn_ok_p.
2947 * c-lang.c (c_missing_noreturn_ok_p): New function.
2948 (lang_init): Set lang_missing_noreturn_ok_p.
2950 * invoke.texi (Warning Options): Document this.
2952 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2954 * extend.texi (C++ Extensions): New node for C++ attributes;
2955 describe init_priority and com_interface.
2956 * invoke.texi: Remove -finit-priority as it now has zero effect.
2957 * install.texi: Fix xref syntax.
2958 * md.texi: Likewise.
2960 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2962 * config.gcc (sparc64-wrs-vxworks*): New case.
2963 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2965 * config/sparc/sparc.c (sparc_override_options): Do support different
2966 pointer and architecture size.
2967 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2968 (POINTERS_EXTEND_UNSIGNED): Define.
2969 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2970 (FUNCTION_MODE): Define to be Pmode.
2971 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2973 * function.c (expand_function_end): Properly handle DECL_RESULT
2974 and copy when ptr_mode != Pmode.
2975 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2977 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2979 * c-common.c (c_common_nodes_and_builtins): Set prototype
2980 parameters for __builtin_fputs, __builtin_fputc and
2981 __builtin_fwrite. Don't declare plain fputc as a builtin.
2983 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2985 * loop.c (add_label_notes): Increment the label usage count when
2986 a note is added to an insn which refers to a CODE_LABEL.
2987 * gcse.c (add_label_notes): Likewise.
2989 2001-01-01 Andreas Jaeger <aj@suse.de>
2991 * loop.c (scan_loop): Use xmalloc to allocate movables.
2993 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2995 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2996 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2997 * reload1.c (REGISTER_MOVE_COST): Likewise.
2998 * regclass.c (REGISTER_MOVE_COST): Likewise.
2999 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
3000 dimension. Adjust all users.
3001 (init_reg_sets_1): Iterate on all modes.
3002 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
3003 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
3004 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
3005 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
3006 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
3007 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
3008 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
3009 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
3010 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
3011 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
3012 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
3013 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
3014 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
3015 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
3016 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
3017 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
3018 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
3019 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
3020 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
3021 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
3022 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
3023 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
3024 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
3025 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
3026 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
3027 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
3028 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
3030 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3032 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
3033 arg VARIES_P. Call it with extra arg.
3034 (true_dependence): Likewise.
3035 * rtl.h (rtx_addr_can_trap_p): Declare.
3036 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
3038 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
3039 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
3040 pic offset table register if it's zero. All callers changed.
3041 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
3043 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3045 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
3046 STRING_POOL_ADDRESS_P.
3048 * config/sparc/sparc.c (input_operand): Properly test for short op.
3050 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
3051 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
3052 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
3053 * config/sparc/elf.h: No longer include sol2.h.
3054 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
3055 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
3057 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
3059 2001-01-01 Michael Hayes <mhayes@redhat.com>
3061 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
3062 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
3063 (record_initial): Likewise.
3064 * unroll.c (copy_loop_body, loop_iterations): Likewise.
3065 (remap_split_bivs): Likewise.
3067 2001-01-01 Michael Hayes <mhayes@redhat.com>
3069 * loop.c (loop_ivs_free): New function.
3070 (strength_reduce): Break out from...
3072 2001-01-01 Michael Hayes <mhayes@redhat.com>
3074 * loop.h (struct iv): New.
3075 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
3076 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
3077 'reg_biv_class' fields with 'regs' and 'n_regs'.
3078 (struct ivs): Rename 'loop_iv_list' field to 'list'.
3079 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
3080 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
3082 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
3084 * resource.c (mark_referenced_resources): Abort() before
3085 attempting to mark a pseudo register.
3086 (mark_set_resources): Likewise.
3088 2001-01-01 Michael Hayes <mhayes@redhat.com>
3090 * loop.h (REG_IV_CLASS): New accessor macro.
3091 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
3092 * unroll.c (REG_IV_CLASS): Likewise.
3094 See ChangeLog.4 for earlier changes.