1 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2 Jeff Law <law@redhat.com>
4 * pa.md (return): Revise comment for trivial return.
5 (return_internal): Non-trivial return pattern for non-PIC code.
6 (return_internal_pic): Non-trivial return pattern for PIC code.
7 It uses the PIC register to ensure it is restored after
9 (epilogue): Generate appropriate return for PIC and non-PIC code.
11 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
13 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
15 2001-01-29 DJ Delorie <dj@redhat.com>
17 * combine.c (if_then_else_cond): Pass the correct mode to
18 operand_subword() for constants.
20 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
22 * config/i386/cygwin.h: Add w32api to include search. Search different
23 directories in a cross-build environment.
25 2001-11-29 Tim Josling <tej@melbpc.org.au>
27 * tree.h (TYPE_STUB_DECL): Add documentation.
29 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
31 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
32 (sdbout_field_types): Likwise. Fix use of host_integerp.
34 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
36 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
39 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
41 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
42 to use flag_gnu_linker.
44 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
46 * cpplib.c (T_BAD_DIRECTIVE): Remove.
47 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
49 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
51 * tree.c, tree.h (build_parse_node): Remove; was identical to
53 * c-lang.c (start_cdtor), objc/objc-act.c
54 (build_module_descriptor): Use build_nt instead of
57 2001-01-29 Jakub Jelinek <jakub@redhat.com>
59 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
60 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
61 not have any upper bits set.
63 2001-01-29 Phil Edwards <pme@sources.redhat.com>
65 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
67 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
69 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
71 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
73 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
74 (integer_minus_one_node): Define.
76 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
78 * Makefile.in (bootstrap2-lean): Fix typo.
80 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
82 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
84 * cpplib.h (AVOID_LPASTE): New flag.
85 (struct cpp_hashnode): Remove fe_value.
86 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
87 * cppmacro.c (builtin_macro): Don't set flags here.
88 (replace_args): Set AVOID_LPASTE flag on first token of an
89 argument, and the token following it.
90 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
91 macro expansion, and on the token following it. Do it for
93 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
95 2001-01-27 Richard Henderson <rth@redhat.com>
97 * config/alpha/t-ieee: Remove multilibbing.
98 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
100 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
102 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
104 * Makefile.in: Remove all dependencies on defaults.h.
105 * builtins.c: Don't include defaults.h.
106 * c-common.c: Likewise.
107 * c-decl.c: Likewise.
108 * c-pragma.c: Likewise.
109 * c-typeck.c: Likewise.
110 * combine.c: Likewise.
112 * frame-ia64.c: Likewise.
113 * cppexp.c: Likewise.
114 * crtstuff.c: Likewise.
115 * dbxout.c: Likewise.
116 * dwarf2out.c: Likewise.
117 * dwarfout.c: Likewise.
118 * emit-rtl.c: Likewise.
119 * except.c: Likewise.
122 * frame-dwarf2.c: Likewise.
123 * libgcc2.c: Likewise.
124 * optabs.c: Likewise.
125 * profile.c: Likewise.
126 * sdbout.c: Likewise.
127 * toplev.c: Likewise.
128 * tradcif.y: Likewise.
130 * varasm.c: Likewise.
132 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
134 * builtins.c (expand_builtin_fputs): Use size_one_node when
135 transforming into fwrite.
137 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
139 * extend.texi (Attribute Syntax): New section.
141 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
143 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
144 they didn't need fixing.
146 2001-01-27 Janis Johnson <janis@us.ibm.com>
148 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
150 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
151 to remove macro definitions that are duplicated from elfos.h.
153 2001-01-27 Richard Henderson <rth@redhat.com>
155 * config/i386/sco5gas.h: Move ...
156 * config/usegas.h: ... here.
157 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
159 2001-01-27 Jakub Jelinek <jakub@redhat.com>
161 * c-typeck.c (struct constructor_stack): Add range_stack member.
162 (really_start_incremental_init): Clear it.
163 (push_init_level): Save constructor_range_stack and clear it if
164 pushing explicit braces.
165 (pop_init_level): abort if constructor_range_stack is non-zero at
166 explicit closing brace. Restore saved constructor_range_stack if
169 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
171 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
172 into register was forced into memory.
174 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
176 * Makefile.in: Remove uses of + before $(MAKE).
178 2001-01-26 Richard Henderson <rth@redhat.com>
180 * stmt.c (cost_table): Remove.
181 (COST_TABLE, cost_table_initialized): New.
182 (estimate_case_costs): Use the later instead of the former.
183 (balance_case_nodes): Likewise.
185 2001-01-26 Richard Henderson <rth@redhat.com>
187 * alias.c (objects_must_conflict_p): Read-only slots may not
188 conflict despite having the same type.
190 2001-01-27 Michael Hayes <mhayes@redhat.com>
192 * loop.c (loop_giv_reduce_benefit): Copy mode size into
194 (check_ext_dependant_givs): Initialise u_start_val and
196 (load_mems): Make last_max_reg unsigned.
197 (try_swap_copy_prop): Use INSN_P and initialise set.
199 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
201 * README.AVR : Removed.
203 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
205 * pa-64.h (text_section): Remove declaration.
207 * pa.md (return_internal): Remove mode on PIC register use.
209 2001-01-25 lars brinkhoff <lars@nocrew.org>
211 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
212 ASM_CLOSE_PAREN): fix typos.
214 2001-01-25 Mark Mitchell <mark@codesourcery.com>
216 * acconfig.h: Define `const' to the empty string if neither
217 __STDC__ nor __cplusplus is defined.
218 * config.in: Regenerated.
220 2001-01-25 David Edelsohn <edelsohn@gnu.org>
222 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
223 * collect2.c (main): Delete importf. Add ".obj" file extension.
224 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
225 (aix_std_libs): Add additional AIX libraries to skip.
226 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
227 * config/rs6000/aix51.h: New file.
229 2001-01-25 Michael Hayes <mhayes@redhat.com>
231 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
232 (loop_insn_emit_before): No longer static.
233 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
234 (loop_givs_rescan, load_mems): Likewise.
235 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
236 (maybe_eliminate_biv_1):
237 (move_movables): Replace emit_call_insn_before with
238 loop_call_insn_hoist.
239 * loop.h (loop_insn_emit_before): Add.
240 * unroll.c (copy_loop_body): Replace emit_insn_before with
241 loop_insn_emit_before.
243 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
245 * diagnostic.c (fatal): Request preprocessed source.
247 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
249 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
250 olddecl has argument types and newdecl has none, use the argument
253 2001-01-24 Ulrich Drepper <drepper@redhat.com>
255 * dwarf2out.c (prefix_of): New function. Determine longest common
256 prefix of the two arguments. The units are whole path components.
257 (output_file_names): When adding a new directory find the one entry
258 with the longest common prefix already in the list. Artificially
259 generate entry if there is none for this prefix.
260 Fix test to check whether the zeroth directory entry is used.
262 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
264 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
265 Changed all callers. Take it into account when deciding if a
266 previously loaded value matches.
268 2001-01-24 Richard Henderson <rth@redhat.com>
270 * reload.c (find_reloads_subreg_address): Fail the substitution
271 if the resulting address is insufficiently aligned.
273 2001-01-24 DJ Delorie <dj@redhat.com>
275 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
276 check the original operand's mode also.
277 * simplify-rtx.c (simplify_ternary_operation): Ditto.
279 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
281 * c-parse.in (cast_expr): Move compound literals from here ...
282 (primary): ... to here. Use standard terminology "compound
283 literal" instead of "constructor expression".
285 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
287 * gcc.1, cpp.1: Regenerate.
289 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
291 * calls.c (emit_library_call_value_1): Memory slot for
292 pass-by-reference argument should have the mode of the argument,
293 not of the pointer to it.
295 2001-01-24 Tom Tromey <tromey@redhat.com>
297 * gcc.texi (G++ and GCC): Mention gcj manual.
298 (Standards): Link to section of manual mentioning gcj/Java
301 2001-01-24 Jakub Jelinek <jakub@redhat.com>
303 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
304 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
305 * tradcpp.c (main): Add -imacros or -include'd dependencies
307 * cpp.texi (-M, -MM): Document -M -include behaviour.
309 2001-01-24 Roger Collins <roger@ProProject.com>
311 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
313 2001-01-24 Will Cohen <wcohen@redhat.com>
315 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
316 whether registers are 32 bits or 64 bits in size.
318 2001-01-24 Ben Elliston <bje@redhat.com>
320 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
322 2001-01-24 Richard Henderson <rth@redhat.com>
324 * config/alpha/alpha.md (builtin_longjmp_internal): New.
325 (builtin_longjmp): Use it instead of emit_indirect_jump.
327 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
329 * bb-reorder.c (make_reorder_chain_1): Handle case where
330 jump edge goes to the same block as the fallthru edge.
332 2001-01-23 Jim Wilson <wilson@redhat.com>
334 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
335 * frame.h (__ia64_personality_v1): Add prototype.
336 * libgcc2.c (ia64_throw_helper): Change personality declaration to
337 prototype form. Add void * cast to first argument to personality
339 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
340 (asctoe113): Likewise.
341 * config/ia64/frame-ia64.c: Include eh-common.h.
342 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
344 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
346 (itanium_split_issue): Add prototype.
347 (gen_nop_type): Ifdef out.
348 (find_best_packet): Initialize best_packet.
349 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
351 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
352 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
353 (flushrs): Add explicit stop bit at end.
354 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
357 2001-01-23 Chris Demetriou <cgd@broadcom.com>
359 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
361 * libgcc2.c (__terminate_func): Make variable static.
362 (__terminate_set_func): New function to set __terminate_func.
363 * libgcc2.h (__terminate_func_ptr): New typedef.
364 (__terminate_set_func): New function.
366 2001-01-23 Richard Henderson <rth@redhat.com>
368 * flow.c (init_propagate_block_info): Don't consider unchanging
369 memories for dead frame store elimination.
371 2001-01-23 Richard Henderson <rth@redhat.com>
373 * varasm.c (UNIQUE_SECTION): Move default implementation ...
374 * defaults.h: ... here.
376 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
378 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
380 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
382 * c-lex.c (lex_charconst): Fix typo: s/p/str.
384 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
386 * rs6000.h (rs6000_return_addr): Move prototype from here...
387 * rs6000-protos.h (rs6000_return_addr): ...to here.
388 (rs6000_init_expanders): Delete prototype.
390 2001-01-23 Nick Clifton <nickc@redhat.com>
392 * invoke.texi: Replace , with \, inside @gccoptlist macros.
393 (Spec Files): Document %B and %j and %. and %v3 and %M and
394 %{S*&T} spec switches.
396 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
398 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
400 2001-01-23 Chris Demetriou <cgd@sibyte.com>
401 Neil Booth <neil@daikokuya.demon.co.uk>
403 * cpperror.c: Merge handlers of PEDWARN and WARNING.
404 Have -Werror make pedantic warnings errors, like the
407 2001-01-23 Phil Edwards <pme@sources.redhat.com>
409 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
411 2001-01-23 Jakub Jelinek <jakub@redhat.com>
413 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
414 * integrate.c (expand_inline_function): Initialize them.
415 (subst_constants): If changing COMPARE so that both its arguments
416 will be VOIDmode and the comparison mode will be lost, note
417 compare_mode. Use the recorded compare_mode to optimize
420 2001-01-23 Jason Merrill <jason@redhat.com>
422 * dwarf2out.c (new_die): Use xcalloc.
423 (output_die): Abort rather than emit a local reference to offset 0.
425 2001-01-17 Andrew Haley <aph@redhat.com>
427 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
428 of a saved register; return NULL instead.
429 (copy_reg): Take a pointer to a source register rather than a
431 (next_stack_level): Remember the address in the stack frame of all
433 Use the saved register pointer array as the source of the CFA.
434 (throw_helper): Rewrite. Unwind once rather than twice and keep
435 track of saved registers as we go.
437 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
439 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
440 * c4x.c (c4x_legitimize_reload_address): Remove.
441 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
442 reload address for ldp(k) insn.
444 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
446 * pa.md (return_internal): Add a USE of the PIC register to ensure
447 it is restored after each call.
448 (return expander): Corresponding changes.
450 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
452 * rs6000.h (INIT_EXPANDERS): Delete.
453 (RETURN_ADDR_RTX): Call rs6000_return_addr().
454 * rs6000.c (rs6000_override_options): Call *_machine_status from
456 (rs6000_init_expanders): ...instead of here. Delete.
457 (rs6000_mark_machine_status): New function.
458 (rs6000_init_machine_status): Use xcalloc.
459 (rs6000_return_addr): Generate RTX for the return address.
460 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
461 (rs6000_stack_info): Use it.
463 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
465 * gthr-win32.h: Include errno.h to get a declaration for
466 EINVAL and _mingw.h if the target is mingw32.
468 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
470 * cpp.texi: Correct typos.
472 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
474 * explow.c (probe_stack_range): Ensure value passed to
475 stack_check_libfunc is ptr_mode, not Pmode.
477 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
479 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
480 case, don't use operand_subword to calculate a SUBREG that is
483 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
485 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
487 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
488 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
489 valid. If not replace it by equivalent insns.
491 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
493 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
494 contains SYMBOL_REF, LABEL_REF and CONST_INT.
495 (c4x_U_constraint, symbolic_address_operand): Likewise.
496 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
498 (c4x_r11_set_p, c4x_check_laj_p): New functions.
499 * c4x-protos.h (c4x_check_laj_p): Add prototype.
500 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
501 anulling slot because of silicon bug.
502 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
504 2001-01-22 Alan Modra <alan@linuxcare.com.au>
506 * cppexp.c (parse_charconst): Change `mask' type to agree
509 2001-01-21 Richard Henderson <rth@redhat.com>
511 * config/i386/i386.c (ix86_asm_file_end): Disable putting
512 pic_label_name in a linkonce section.
514 2001-01-17 Philipp Thomas <pthomas@suse.de>
516 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
518 * configure: Regenerate.
520 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
522 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
523 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
525 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
527 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
528 If REVERSE nonzero then condition code in X must be reversed.
529 (encode_section_info): Optimise if/else.
530 (avr_function_value): Fix formatting.
532 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
533 (difficult_branch): Likewise.
534 (rvbranch): Likewise.
535 (difficult_rvbranch): Likewise.
537 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
539 * config/avr/libgcc.S: Fix comment.
541 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
543 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
545 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
547 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
549 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
551 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
552 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
553 * configure, config.in: Regenerate.
554 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
555 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
556 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
557 (doprint.o): New rule.
559 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
561 * c-typeck.c (digest_init): Handle boolean types as scalars.
563 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
565 * stmt.c (expand_return): Don't return anything if size is zero.
566 Delete redundant assignment to BYTES.
567 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
569 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
571 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
572 the same as the default library function names.
573 * config/avr/avr.md: Document special characters after '%'.
574 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
575 knowing which of the call-used registers are really clobbered.
576 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
577 New. Both quotient and remainder from one libgcc.S call.
578 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
579 clobber as few registers as possible.
580 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
582 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
584 * cppmacro.c (funlike_invocation_p): Don't move back up to the
585 context of the top of the stack.
587 2001-01-20 Jakub Jelinek <jakub@redhat.com>
589 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
590 (fixup_var_refs_insns): ...here.
592 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
594 * function.c (fixup_var_refs_insns): Break up into
595 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
596 [loop over entire insn list], and fixup_var_refs_insns_with_hash
597 [loop over hash table entries].
598 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
599 fixup_var_refs_insns_with_hash, to match above changes.
601 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
603 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
604 (libgcc.a): Likewise.
605 (stmp-multilib): Likewise.
606 (STAGE2_FLAGS_TO_PASS): Likewise.
608 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
610 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
611 temporary if no_new_pseudos.
613 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
615 * cppinternals.texi: Update.
617 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
619 * arm.c (arm_init_builtins): Re-enable builtins.
621 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
623 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
624 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
625 element to be null, and always expect an EXPR_LIST.
626 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
627 * sched-deps.c (sched_analyze_1): Likewise.
628 * sched-rgn.c (check_live_1, update_live_1): Likewise.
630 * regclass.c (max_set_parallel): New variable.
631 (reg_scan): Take it into account in computation of max_parallel.
632 (reg_scan_mark_refs, case SET): Compute it.
634 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
636 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
637 * function.c (assign_parms): Use INTVAL for a CONST_INT.
639 2001-01-19 Jason Merrill <jason@redhat.com>
641 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
642 for the abstract instance of an inline function.
644 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
645 J"orn Rennecke <amylaar@redhat.com>
647 * reload1.c (move2add_note_store): Treat all registers directly or
648 indirectly derived from a base register as members of the same set
650 (reload_cse_move2add): Adjust accordingly. Take mode and offset
651 of base register into account.
653 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
655 * alias.c (find_base_value): Recognize TRUNCATE.
656 (record_set): In PLUS case, invalidate if other summand is also a
659 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
661 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
662 entry to be EXPR_LIST.
663 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
664 be an EXPR_LIST (but not null, which other code doesn't allow).
665 (note_stores): Properly handle PARALLEL in SET.
666 Recursively call for top-level PARALLEL.
667 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
668 * sched-rgn.c (check_live_1, update_live_1): Likewise.
670 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
672 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
674 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
675 not pfile->skipping (== 0).
677 2001-01-17 Nick Clifton <nickc@redhat.com>
679 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
682 2001-01-17 Jim Wilson <wilson@redhat.com>
684 * invoke.texi (IA-64 options): Improve.
686 2001-01-17 Tom Tromey <tromey@redhat.com>
688 * invoke.texi (Optimize Options): Use `{}' to around @samp
691 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
693 * invoke.texi (-fno-guess-branch-probability): New option.
695 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
697 * combine.c (try_combine): Don't set i3_subst_into_i2 for
698 case of making new double-word constant.
699 Revert last change: instead just test i3_subst_into_i2.
701 2001-01-17 Jakub Jelinek <jakub@redhat.com>
703 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
704 Use q constraints instead of r.
706 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
708 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
709 (machine_function): Define.
710 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
711 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
712 pa_free_machine_status): New functions.
713 (override_options): Set {init,mark,free}_machine_status to above.
714 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
715 PIC_OFFSET_TABLE_REGNUM_SAVED.
716 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
717 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
718 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
719 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
720 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
722 2001-01-15 DJ Delorie <dj@redhat.com>
724 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
728 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
730 * flow.c (propagate_on_insn): Make trying to delete a prologue
731 or epilogue insn an ICE, not a warning. Allow doing this if
732 the current function returns with stack pointer depressed.
734 * combine.c (try_combine): If i3_subst_into_i2, properly check for
735 I3 having more than one SET.
737 2001-01-16 Jim Wilson <wilson@redhat.com>
739 * invoke.texi: Document IA-64 options.
741 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
742 (fixup_errata): Delete TARGET_A_STEP use.
743 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
744 (TARGET_SWITCHES): Delete -ma-step option.
745 * config/ia64/ia64.md (all FP patterns): Delete %B0.
746 (movqicc_astep, movqi_internal_astep, movhicc_astep,
747 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
748 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
749 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
750 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
752 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
753 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
754 cmovsi_internal): Delete ! TARGET_A_STEP check.
756 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
758 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
759 possibility to report bugs via postal mail. Change a URL and
760 merge in a nearly duplicate statement...
761 (Bug Reporting): ...from here.
762 (Service): Refer to the Bug Reporting section instead of
764 (Contributing): Remove trivial explanations concerning snapshots.
766 2001-01-16 Alan Modra <alan@linuxcare.com.au>
768 * cppmain.c (general_init): Don't use ANSI prototype.
770 2001-01-16 Tom Tromey <tromey@redhat.com>
772 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
774 2001-01-16 Richard Henderson <rth@redhat.com>
776 * config/i386/i386.h: Fix comment typo.
777 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
778 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
780 2001-01-16 Phil Edwards <pme@sources.redhat.com>
782 * gcc.c: Revert previous -fsyntax-only-related change; move
785 2001-01-16 Jakub Jelinek <jakub@redhat.com>
787 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
788 inmode after checking GET_CODE (op).
790 2001-01-16 Richard Henderson <rth@redhat.com>
792 * flow.c (struct propagate_block_info): Add mem_set_list_len.
793 (MAX_MEM_SET_LIST_LEN): New.
794 (propagate_one_insn): Update mem_set_list_len.
795 (invalidate_mems_from_autoinc): Likewise.
796 (invalidate_mems_from_set): Likewise.
797 (mark_used_regs): Likewise.
798 (init_propagate_block_info): Likewise. Stop collecting memories
799 when we reach MAX_MEM_SET_LIST_LEN.
800 (mark_set_1): Likewise.
802 2001-01-16 Richard Henderson <rth@redhat.com>
804 * unroll.c (precondition_loop_p): Fail if no iteration
807 2001-01-16 Phil Edwards <pme@sources.redhat.com>
809 * gcc.c: When -fsyntax-only is given, do not complain about
812 2001-01-15 Richard Henderson <rth@redhat.com>
814 * config/i386/i386.c (asm_output_function_prefix): Remove.
815 (ix86_asm_file_end): New.
816 (load_pic_register): Generate pic_label_name into a
817 staticly allocated buffer.
818 * config/i386/i386-protos.h: Update.
819 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
821 * config/i386/i386afe.h: New file.
822 * config.gcc (i?86-*-elf) [tm_file]: Use it.
823 (i?86-*-{freebsd,linux*,moss*}): Likewise.
824 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
825 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
826 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
827 * config/i386/sco5.h (ASM_FILE_END): Likewise.
828 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
830 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
832 * Makefile.in (install-man): Remove explicit dependency on
835 * configure.in, configure: Revert previous patch requiring perl
838 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
840 * toplev.c (flag_guess_branch_prob): New.
841 (f_options): Add guess-branch-probability option.
842 (rest_of_decl_compilation): Only estimate branch probability if
844 (main): set flag_guess_branch_prob.
846 * flags.h (flag_guess_branch_prob): New.
848 2001-01-15 DJ Delorie <dj@redhat.com>
850 * gcc.texi (Makefile): Add documentation for Makefile targets.
852 2001-01-15 Philip Blundell <philb@gnu.org>
854 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
856 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
857 (is_pic): Delete declaration.
858 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
859 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
860 * config/arm/arm.md (builtin_setjmp_receiver): New.
862 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
864 * arm.c (use_return_insn): Don't try to determine the function type
865 until after reload has completed.
866 (arm_output_epilogue): Don't adjust the sp value recovered from the
868 (emit_multi_reg_push): Don't record dwarf information for the pc.
869 * arm.md (eh_epilogue): The function type may have changed, so it
870 needs to be recalculated.
871 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
872 unwind tables on arm/netbsd.
874 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
876 * arm.md (cbranchsi4): Correct calculation of branch ranges.
877 (negated_cbranchsi4): Likewise.
879 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
881 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
882 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
883 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
884 pass -mapcs-* options to assembler.
885 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
886 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
887 (ASM_SPEC): Call subtarget_extra_asm_spec.
889 2001-01-15 Andreas Jaeger <aj@suse.de>
891 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
893 (ix86_expand_builtin): Likewise.
895 * gencodes.c (output_predicate_decls): Make i size_t to avoid
896 warning about comparison between signed and unsigned.
898 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
900 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
902 2001-01-14 Ralf Baechle <ralf@gnu.org>
904 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
905 SUBTARGET_CPP_SPEC apropriatly.
907 2001-01-12 Mark Mitchell <mark@codesourcery.com>
909 * varasm.c (make_decl_rtl): Fix typo in last change.
911 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
913 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
914 linker supports the init_priority C++ attribute.
915 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
916 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
917 linker does not support init_priority C++ attribute.
919 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
921 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
923 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
925 * c-parse.in (finish_parse): Add comment about cpp_destroy.
926 * cp/lex.c (finish_parse): Similarly.
927 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
928 Return the number of errors encountered.
929 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
930 * cppmain.c (main): Don't call cpp_destroy.
932 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
934 * configure.in: Require at least perl 5.6.0 to regenerate
936 * configure: Regenerate.
938 2001-01-14 Richard Henderson <rth@redhat.com>
940 * genrecog.c (DT_veclen_ge): New.
941 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
942 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
943 (nodes_identical_1): Handle DT_veclen_ge.
944 (write_cond, debug_decision_2): Likewise.
946 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
948 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
950 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
952 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
954 * cppmain.c (do_preprocessing): New function; most of the old
956 (main): Call it to do most of the work.
957 (cb): Move from global scope to set_callbacks ().
958 (setup_callbacks): Get the callback pointer.
959 (general_init, printer_init): Clean up code and comments.
961 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
963 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
966 2001-01-14 Kazu Hirata <kazu@hxi.com>
968 * config/h8300/h8300.c (get_shift_alg): Update comments.
970 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
972 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
973 (alloc_page, ggc_alloc): Add casts to remove warnings.
975 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
977 * combine.c (simplify_comparison): Don't change `code' when
978 can't reverse comparison.
980 2001-01-14 Richard Henderson <rth@redhat.com>
982 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
983 update all call sites. Return true for all non-label constants.
985 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
987 * i386.c (ix86_expand_compare): Add bypass_test and second_test
989 (ix86_expand_branch): Update.
990 (ix86_expand_setcc): Update to handle multiple test conditions.
991 (expand_int_movcc): Likewise.
992 (expand_fp_movcc): Likewise.
993 * i386-protos.h (ix86_expand_compare): New.
994 * i386.md (andqi_?_slp, orqi_?_slp): New.
995 (conditional trap expander): Update call to ix86_expand_compare.
997 2001-01-14 Richard Henderson <rth@redhat.com>
999 * config/vax/vax.md: Use nonimmediate_operand instead of
1000 general_operand in destinations.
1002 * config/vax/vax.md (indirect_jump): Use register_operand.
1004 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
1005 * config/vax/vax.md (call_pop): Turn into an expander.
1006 (call_value_pop): Likewise.
1007 (call, call_value): New.
1009 2001-01-14 Andreas Jaeger <aj@suse.de>
1011 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
1013 (ix86_fp_compare_mode): Add unused attribute.
1014 (ix86_expand_fp_movcc): Remove unused variable.
1015 (ix86_expand_builtin): Make fcode unsigned.
1017 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
1018 (expand_expr): Add cast to avoid signed warning.
1019 (store_field): Likewise.
1020 (store_constructor_field): Likewise.
1021 (store_constructor): Likewise.
1022 (store_expr): Likewise.
1023 (clear_storage): Likewise.
1024 (emit_group_store): Likewise.
1025 (emit_group_load): Likewise.
1027 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1029 * c-common.c: Move format checking code to ...
1030 * c-format.c: ... here. New file. Reorder some functions and
1032 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
1034 * c-common.h (decl_handle_format_attribute,
1035 decl_handle_format_arg_attribute): Declare.
1036 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
1037 (c-common.o): Adjust dependencies.
1038 (c-format.o): New list of dependencies.
1040 2001-01-13 Jakub Jelinek <jakub@redhat.com>
1042 * unroll.c (loop_iterations): If we cannot prove iteration variable
1043 is set once in each iteration, punt.
1045 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
1047 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
1048 (*strlenhi): Remove clobber (which was buggy) of output address.
1050 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1052 * Makefile.in (generated-manpages): Add gcc.1
1053 ($(srcdir)/gcc.1): New target.
1054 (maintainer-clean): Delete $(srcdir)/gcc.1.
1055 * gcc.texi: Add macros @gccoptlist and @gol.
1056 * invoke.texi: Include option summary in manpage. Mark up option
1057 summary with @gccoptlist and @gol. Use @r in one place where
1059 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
1060 * gcc.1: Generate from invoke.texi.
1062 2001-01-13 Richard Henderson <rth@redhat.com>
1064 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
1065 (struct page_entry): Add group member.
1066 (struct page_group): New.
1067 (struct globals): Add page_groups member.
1068 (alloc_anon): Only define for using mmap; remove valloc call.
1069 (page_group_index): New.
1070 (set_page_group_in_use): New.
1071 (clear_page_group_in_use): New.
1072 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
1073 (free_page, release_pages): Likewise.
1074 * configure.in (with-gc): Default to ggc-page always.
1076 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1078 * reload1.c (replace_pseudos_in_call_usage): Use
1079 reg_equiv_constant and reg_equiv_address, and don't try
1080 regno_reg_rtx first.
1082 2001-01-13 Richard Henderson <rth@redhat.com>
1084 * ggc-page.c (alloc_page): Round up allocation size to one page.
1085 Set e->order on extra pages.
1087 2001-01-13 Richard Henderson <rth@redhat.com>
1089 * genrecog.c (nodes_identical): Expand commentary.
1090 (write_switch): Watch out for identical nodes.
1092 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1094 * cppfiles.c (_cpp_fake_include): New function.
1095 * cpphash.h (_cpp_fake_include): New.
1096 * cpplib.c (do_line): Call _cpp_fake_include when entering
1097 header files in preprocessed input.
1098 * cppmain.c (cb_pragma_implementation): Remove handling.
1099 (setup_callbacks): Don't register pragmas.
1101 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1103 * extend.texi: Udate for CPP.
1105 2001-01-13 Andreas Jaeger <aj@suse.de>
1107 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
1109 * regmove.c: Add prototype for replace_in_call_usage.
1111 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1113 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
1114 struct cpp_chunk, struct htab, struct toklist,
1115 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
1116 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
1117 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
1118 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
1119 (struct macro_args): Delete.
1120 * cpphash.h: See above.
1122 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1124 * cppmain.c (struct printer): Remove no_line_dirs.
1126 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
1127 : Use options rather than CPP_OPTION.
1128 (setup_callbacks): Use cb rather than pfile->cb.
1129 (main): No need to check for a buffer. Use cpp_errors.
1130 (printer_init): Don't set no_line_dirs.
1131 (maybe_print_line): Use options not no_line_dirs.
1132 (cb_file_change): Don't call print_line if -P.
1134 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1136 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
1138 * c-parse.in (finish_parse): Use cpp_errors.
1139 (__yylex): Use return value of cpp_pop_buffer.
1140 * cp/lex.c (finish_parse): Use cpp_errors.
1141 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
1143 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
1145 * README.AVR: URLs corrected.
1147 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1149 * c-decl.c (start_function): Don't warn if old prototype is builtin
1150 that's not in C's namespace.
1151 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
1152 (_bb): Add prototype for ctime.
1153 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
1155 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
1157 * i386.c (ix86_fp_comparison_arithmetics_cost,
1158 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
1159 ix86_fp_comparison_cost): New functions.
1160 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
1161 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
1162 two-branch sequences; make static.
1163 (ix86_use_fcomi_compare): Do decision according to the costs.
1164 (split_fp_branch): New.
1165 * i386.md (compare-and-branch patterns): Use split_fp_branch.
1166 * i386-protos.h (ix86_expand_fp_compare): Remove
1167 (ix86_split_fp_branch): Declare.
1169 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
1170 and ix86_comparison_operator.
1172 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
1175 * i386.c (put_condition_code): Output properly the unordered/ordered
1176 compares in fp case.
1177 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1179 * tm.texi (REVERSE_CONDITION): Document.
1180 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1181 in -ffast-math mode.
1182 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1184 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1186 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1188 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1191 * config/sh/sh.c (mova_p): Fix test for mova_const.
1193 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1195 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1196 cpp_get_options rather than dereferencing pfile and using
1198 * scan-decls.c (scan_decls): Use return value of
1199 cpp_pop_buffer rather than CPP_BUFFER.
1201 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1203 * cppinit.c (cpp_handle_option): help_only is now part of the
1204 cpp_options structure.
1205 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1206 cpp_set_callbacks): New functions.
1207 * cpplib.h (cpp_callbacks): Break out as a named structure.
1208 (cpp_options): Move help_only here from cpp_reader.
1209 (CPP_FATAL_ERRORS): Update to use cpp_errors.
1210 (cpp_errors, cpp_get_options, cpp_get_callbacks,
1211 cpp_set_callbacks): New prototypes.
1212 * cppmain.c (main): Update for help_only.
1214 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1216 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1217 Also build and remove and install and uninstall c-tree.info and
1219 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1220 ($(srcdir)/cppinternals.info): New target.
1221 * c-tree.texi: Change file name used when makeinfo used without -o
1222 from ir.info to c-tree.info. Add info directory entry.
1223 * cppinternals.texi: Add info directory entry.
1224 * .cvsignore: Update.
1226 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1228 * c-typeck.c (store_init_value): Don't require constant initializer
1229 elements with -pedantic -std=c99.
1230 (digest_init): Change error about non-constant initializer elements
1232 (constructor_range_end): Remove.
1233 (constructor_incremental, designator_depth,
1234 designator_errorneous): New variables.
1235 (struct constructor_stack): Remove range_end, add incremental.
1236 (struct constructor_range_stack, constructor_range_stack): New.
1237 (struct initializer_stack): Add constructor_range_stack.
1238 (finish_init): Set it.
1239 (start_init): Likewise. require_constant_elements for non-static
1240 trees only if not flag_isoc99.
1241 (really_start_incremental_init): Remove constructor_range_end, add
1242 constructor_incremental.
1243 (pop_init_level): Likewise.
1244 (push_init_level): Likewise. If implicit and the subobject had some
1245 value set already, preinitialize the level with it.
1246 Warn about missing braces only if not pushing due to designators.
1247 (set_designator, push_range_stack): New functions.
1248 (set_init_label): Use them.
1249 (set_init_index): Likewise. Remove constructor_range_end.
1250 Error if designator index is outside of array bounds.
1251 (add_pending_init): Compare values of purpose index trees, not the
1252 trees themselves. Allow overwriting of already initialized element.
1253 Issue a warning if it had side-effects.
1254 (set_nonincremental_init, set_nonincremental_init_from_string): New
1256 (pending_init_member): Rename to...
1257 (find_init_member): ...this function. Call set_nonincremental_init
1258 if necessary. Compare values of purpose index trees, not the trees
1259 themselves. Return the actual value, not just non-zero if something
1261 (output_init_element): Remove checks for duplicates.
1262 If field has zero size, only check the initializer for correctness.
1263 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1264 if constructor_incremental is zero. Change error about initializers
1265 not computable at load time into pedwarn.
1266 (output_pending_init_elements): Compare bit positions, not
1267 FIELD_DECLs to take into account zero-sized fields.
1268 (process_init_element): Use constructor_range_stack to fill all
1269 ranges in the designator lists from current level up.
1270 * extend.texi: Update documentation for labeled elements.
1272 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1274 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1275 to function usage for arguments passed by reference. Optimize
1276 callee-copied arguments.
1277 * regmove.c (replace_in_call_usage): New function.
1278 (fixup_match_1): Call it.
1279 * cse.c (cse_insn): Canonicalize registers in function usage.
1280 * reload1.c (replace_pseudos_in_call_usage): New function.
1283 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1286 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1288 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1291 2001-01-12 DJ Delorie <dj@redhat.com>
1293 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1294 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1297 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1299 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1300 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1301 -std options alongside references to -ansi. Update some
1302 documentation for C99.
1303 * cpp.1: Regenerate.
1305 2001-01-12 Andreas Jaeger <aj@suse.de>
1307 * haifa-sched.c (restore_line_notes): Remove argument block B
1309 * sched-ebb.c (schedule_ebb): Change caller.
1310 * sched-rgn.c (schedule_region): Likewise.
1311 * sched-int.h (restore_line_notes): Adjust prototype.
1313 * loop.h: Remove wrong declaration of doloop_condition_get.
1315 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1317 * extend.texi: Move C++-extension-related node from the C section
1318 into the C++ section.
1320 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1322 * extend.texi: Refer to an array of pointers to functions instead
1323 of one of functions.
1325 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1326 Jan Hubicka <jh@suse.cz>
1328 * combine.c (reversed_comparison): Fix typo in last patch.
1330 (combine_reversed_comparison_code): Make static to follow
1331 prototype declaration.
1333 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1335 * install.texi: Remove misplaced duplicate entry.
1337 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1339 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1341 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1343 * final.c: (leaf_function_p): Fix typo.
1345 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1347 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1348 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1350 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1351 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1352 mmap_anon, and valloc is available.
1353 * ggc-page.c: Restructure ifdef logic to match new autoconf
1354 spec. Don't throw away the test page in init_ggc.
1356 * configure, config.in: Regenerate.
1358 2001-01-12 Michael Hayes <mhayes@redhat.com>
1360 * loop.h (total_biv_increment): Constify iv_class pointer.
1361 (struct induction): Replace `mem_mode' with `mem' rtx.
1362 * unroll.c (total_biv_increment): Constify iv_class pointer.
1363 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1364 (find_mem_givs, combine_givs_p): Likewise.
1365 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1367 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1369 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1371 (__gthread_getspecific): Ditto.
1373 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1375 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1376 put_condition_code): Convert fp comparison codes to integer
1378 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1381 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1382 * i386-protos.h (no_comparison_operator): Kill.
1384 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1386 * combine.c (REVERSIBLE_CC_MODE): Remove.
1387 (reversible_comparison_p): Remove.
1388 (combine_reversed_comparison_code): New.
1389 (reversed_comparison): New.
1390 (combine_simplify_rtx): Use
1391 combine_reversed_comparison_code/reversed_comparison instead
1392 of reversible_comparison_p.
1393 (simplify_if_then_else): Likewise.
1394 (simplify_set): Likewise.
1395 (simplify_logical): Likewise.
1396 (if_then_else_cond): Likewise.
1397 (known_cond): Likewise.
1398 (simplify_comparison): Likewise.
1400 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1402 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1403 sizeof (int) is larger than sizeof(__word__).
1405 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1407 * cppinit.c (do_includes): Fix typo.
1409 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1411 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1412 in S_REGS does not occur because not all sources are possible
1413 when a S_REGS is a destination (sometimes needs a clobber).
1414 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1415 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1416 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1417 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1418 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1419 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1420 (lshrdi_const1, lshrsi3_const16): Likewise.
1421 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1422 (*movhi_68hc12, *movqi_68hc12): Likewise.
1423 (movstrictqi): Make sure reloading in D_REGS as a destination
1426 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1428 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1430 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1432 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1433 -D, -U and -A, and don't initialize the builtins.
1434 (do_includes): Error if -include or -imacros with -fpreprocessed.
1435 * cppmain.c (cb_define, cb_undef): Unconditionally process
1437 * tradcpp.c (main): Fix typo.
1439 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1441 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1442 (read_name_map): Use IS_ABSOLUTE_PATH.
1443 * tradcpp.c (get_filename): Likewise.
1445 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1447 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1448 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1449 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1450 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1451 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1452 (cmphi_z_used): Don't use '@' for the output.
1453 (tstqi_z_used): Likewise.
1454 (cmpqi_z_used): Likewise.
1455 (one_cmplsi2): Likewise.
1457 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1459 * config/sh/sh.c (barrier_align): Recognize branch around far
1460 branch and redundant insn.
1462 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1464 * invoke.texi: Restore documentation of the drivers' switches -MD
1467 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1469 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1471 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1472 check-objc//%): Support parallel testing of multilibs.
1473 (TESTSUITEDIR): Set to testsuite by default, but override for
1475 (check-gcc, check-g++, check-g77, check-objc): Enter
1478 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1480 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1481 * sched-deps.c (deps_may_trap_p): Likewise.
1482 * basic-block.h: Remove a comment.
1483 * flow.c (PROP_POSTRELOAD): Remove.
1484 (update_life_info): Don't add it to prop_flags.
1485 (mark_set_1): Lose the code that was enabled by it.
1487 2001-01-11 Michael Hayes <mhayes@redhat.com>
1489 * flow.c (flow_call_edges_add): New.
1490 * basic_block.h (flow_call_edges_add): New.
1492 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1494 * reload1.c (move2add_note_store): Update reg_set_luid even if
1495 base reg remains the same.
1497 2001-01-10 Nick Clifton <nickc@redhat.com>
1499 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1500 machine_function structure to zero.
1501 Add prototypes for machine_status functions.
1503 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1505 * c-common.h (CTI_VOID_LIST): Remove.
1506 (void_list_node): Likewise.
1507 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1508 (void_list_node): New macro.
1509 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1510 * config/i386/i386.c (ix86_init_builtins): Likewise.
1511 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1513 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1515 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1516 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1518 * tradcpp.c: Include mkdeps.h.
1519 (deps, print_deps_phony_targets, deps_append, output_deps,
1520 init_dependency_output, output_deps): New.
1521 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1522 deps_output): Delete.
1523 (print_deps_missing_files): Rename deps_missing_files.
1524 (inhibit_output): Make global.
1525 (main): Delete inhibit_output, deps_stream, deps_target.
1526 Use mkdeps functionality in the same way as cpplib. Remove
1527 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1528 -M and -MM. Remove old handling of deps via deps_out, and
1529 old reading of environment variables.
1530 (get_filename): Update to use deps_add_dep.
1532 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1534 * output.h (make_function_rtl): Remove prototype.
1535 (make_decl_rtl): Likewise.
1536 * varasm.c (make_function_rtl): Remove.
1537 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1538 than from a third parameter.
1539 * tree.h (make_decl_rtl): Remove last parameter.
1540 * c-decl.c (builtin_function): Remove last argument in call to
1541 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1542 (start_function): Likewise.
1543 * except.c (call_get_eh_context): Likewise.
1544 * expr.c (emit_block_move): Likewise.
1545 (clear_storage): Likewise.
1546 * profile.c (output_func_start_profiler): Likewise.
1547 * toplev.c (rest_of_decl_compilation): Likewise.
1548 * objc/objc-act.c (create_builtin_decl): Likewise.
1549 (synth_module_prologue): Likewise.
1550 (generate_static_reference): Likewise.
1551 (build_selector_reference_decl): Likewise.
1552 (build_class_reference_decl): Likewise.
1553 (build_objc_string_decl): Likewise.
1554 (build_protocol_reference): Likewise.
1556 2001-01-10 Richard Henderson <rth@redhat.com>
1558 * hwint.h: Revert yesterday's change.
1560 2001-01-10 Nick Clifton <nickc@redhat.com>
1562 * function.h (save_machine_status): Delete.
1563 (restore_machine_status): Delete.
1564 Amend comment describing {init|mark|free}_machine_status.
1566 * function.c (save_machine_status): Delete.
1567 (restore_machine_status): Delete.
1568 Amend comment describing {init|mark|free}_machine_status.
1569 (push_function_context_to): Remove invocation of
1570 save_machine_status.
1571 (pop_function_context_from): Remove invocation of
1572 restore_machine_status.
1574 * emit-rtl.c (init_emit_once): Amend comment describing
1575 {init|mark|free}_machine_status.
1577 * tm.texi (Per-Function Data): New node. Describe the
1578 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1581 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1583 * cppinit.c (OPT_g): Remove.
1584 (cpp_handle_option): Update for removed -g3.
1585 (print_help): Update.
1586 * cpplib.h (struct cpp_options): Remove debug_output.
1587 * cppmain.c (setup_callbacks, cb_define): Update.
1588 * gcc.c (cpp_options): Translate -g3 to -dD.
1590 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1592 * config/i960/i960.md: Change modifier to + on the zero_extract
1593 pattern after the (rotate -2 reg) canonicalization pattern.
1595 2001-01-10 Richard Henderson <rth@redhat.com>
1597 * config/alpha/alpha.c (alpha_free_machine_status): New.
1598 (override_options): Install it.
1599 (alpha_mark_machine_status): Verify machine non-null.
1600 * config/i386/i386.c (ix86_free_machine_status): New.
1601 (override_options): Install it.
1602 (ix86_init_machine_status): Use xcalloc.
1603 (ix86_mark_machine_status): Verify machine non-null.
1604 * config/ia64/ia64.c (ia64_free_machine_status): New.
1605 (ia64_override_options): Install it.
1606 (ia64_mark_machine_status): Verify machine non-null.
1608 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1610 * function.c (instantiate_virtual_regs): Instantiate virtual
1611 registers found in CALL_INSN_FUNCTION_USAGE.
1613 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1615 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1616 equivalent to -ansi in disabling -Di386.
1618 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1620 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1622 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1624 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1626 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1628 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1630 * invoke.texi: Document that -fcond-mismatch isn't supported for
1633 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1635 * gcc.texi: Define macro gcctabopt.
1636 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1637 @command, @env and @option in some places where appropriate. Use
1638 @gcctabopt where appropriate. Put URLs and email addresses inside
1641 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1643 * gcc.c (cpp_options): Set MD file name from output
1644 filename, if specified.
1645 (suffix_subst): New static variable.
1646 (do_spec): Clear it.
1647 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1649 (give_switch): Handle suffix_subst.
1651 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1653 * invoke.texi: Fix another typo.
1655 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1657 * invoke.texi: Fix typo.
1659 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1661 * c-lang.c (lang_hooks): Update.
1662 (lang_decode_option): Remove.
1663 (lang_init_options): Rename c_init_options.
1664 * toplev.c (main): Use lang_hooks for lang_init_options
1665 and lang_decode_option.
1666 * toplev.h (lang_hooks): Add 2 new hooks.
1667 * tree.h: Remove lang_init_options and lang_decode_option.
1668 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1669 * cp/decl2.c: Similarly.
1670 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1671 (lang_hooks): Update.
1672 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1674 (lang_init_options): Rename ffe_init_options.
1675 (lang_hooks): Update.
1676 (lang_decode_option): Remove.
1677 * java/lang.c (lang_init_options): Rename java_init_options.
1678 (lang_decode_option): Rename java_decode_option.
1679 (lang_hooks): Update.
1680 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1681 (lang_decode_option): Rename objc_decode_option.
1682 (lang_hooks): Update.
1684 2001-01-09 Nick Clifton <nickc@redhat.com>
1686 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1687 (d30v_return_addr_rtx): Delete.
1688 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1689 cfun->machine structure.
1690 (struct machine_function): Move to d30v.h
1691 (d30v_save_machine_status): Delete.
1692 (d30v_restore_machine_status): Delete.
1693 (d30v_init_machine_status): New Function.
1694 (d30v_mark_machine_status): New Function.
1695 (d30v_free_machine_status): New Function.
1696 (d30v_init_expanders): Use new functions.
1697 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1698 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1699 d30v_return_addr_rtx.
1701 * config/d30v/d30v.h (struct_machine): Move here.
1702 Add eh_epilogue_sp_ofs field.
1704 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1705 field in cfun->machine structure.
1707 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1709 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1710 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1711 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1713 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1715 * objc/lang-options.h: Remove bogus reference to
1718 2001-01-09 Kazu Hirata <kazu@hxi.com>
1720 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1723 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1725 * reload.c (find_reloads_address): Check for eliminable registers
1726 when substituting a constant expression for a pseudo.
1728 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1730 * c-common.c (enum format_type): Add format_type_error.
1731 (decode_format_type): New function.
1732 (decl_attributes): Use it.
1733 (format_kind_info): Adjust comment.
1735 2001-01-09 David O'Brien <obrien@BSDi.com>
1737 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1738 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1740 * config/i386/gnu.h: Don't include required platform specific .h files,
1741 tm.h will do it instead.
1742 * config/i386/i386elf.h: Likewise.
1743 * config/i386/linux.h: Likewise.
1744 * config/i386/moss.h: Likewise.
1745 * config/mips/gnu.h: Likewise.
1747 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1749 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1750 (rs6000-ibm-aix3.[01]*): Likewise.
1751 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1752 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1753 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1754 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1755 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1756 (powerpc-*-eabiaix*): Likewise.
1757 (powerpc-*-eabisim*): Likewise.
1758 (powerpc-*-elf*): Likewise.
1759 (powerpc-*-eabi*): Likewise.
1760 (powerpc-*-rtems*): Likewise.
1761 (powerpc-*-linux*libc1): Likewise.
1762 (powerpc-*-linux*): Likewise.
1763 (powerpc-wrs-vxworks*): Likewise.
1764 (powerpcle-wrs-vxworks*): Likewise.
1765 (powerpcle-*-sysv*): Likewise.
1766 (powerpcle-*-elf*): Likewise.
1767 (powerpcle-*-eabisim*): Likewise.
1768 (powerpcle-*-eabi*): Likewise.
1769 (powerpcle-*-solaris2*): Likewise.
1770 * config/rs6000/aix31.h: Delete includes.
1771 * config/rs6000/aix3newas.h: Likewise.
1772 * config/rs6000/aix41.h: Likewise.
1773 * config/rs6000/aix43.h: Likewise.
1774 * config/rs6000/beos.h: Likewise.
1775 * config/rs6000/rtems.h: Likewise.
1776 * config/rs6000/sysv4.h: Likewise.
1778 2001-01-09 Kazu Hirata <kazu@hxi.com>
1780 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1781 Change an argument mode of machine_mode to shift_mode of
1782 shift_mode. Remove an extra error check.
1783 (emit_a_shift): Adopt to the new calling prototype of
1785 (function_prologue): Fix code for a monitor
1786 function. Support H8/S.
1787 (function_epilogue): Do not output pop for a monitor function.
1789 2001-01-09 Nick Clifton <nickc@redhat.com>
1791 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1792 (setup_incoming_varargs): Use sysv_varargs_p field of the
1793 cfun->machine structure.
1794 (struct machine_function): Move to rs6000.h
1795 (rs6000_save_machine_status): Delete.
1796 (rs6000_restore_machine_status): Delete.
1797 (rs6000_init_machine_status): New Function.
1798 (rs6000_free_machine_status): New Function.
1799 (rs6000_init_expanders): Use new functions.
1801 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1803 (struct machine_function): Move here.
1805 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1806 sysv_varargs_p field of the cfun->machine structure.
1808 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1810 (rs6000_restore_machine_status): Remove prototype.
1812 2001-01-09 Richard Henderson <rth@redhat.com>
1814 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1815 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1816 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1817 (sched_analyze_2, sched_analyze_insn): Likewise.
1818 (sched_analyze, init_deps): Likewise.
1819 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1820 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1821 (compute_block_backward_dependences): Update propagate_deps call.
1823 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1825 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1827 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1829 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1830 (cpp_handle_option): Handle them.
1831 (cpp_post_options): Ensure one of -M or -MM is specified with
1832 any other -M? option.
1833 (init_dependency_output): Suppress output with -MG.
1835 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1838 * invoke.texi: Update.
1840 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1842 * sh.md (reload_outsf): Generate recognizable patterns for
1845 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1847 * c-lang.c (lang_hooks): Update.
1848 (lang_init): Rename c_init.
1849 (lang_finish): Remove.
1850 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1852 * toplev.h (lang_hooks): Add init () and finish ().
1853 * tree.h (lang_init, lang_finish): Remove.
1854 * cp/tree.h (lang_init, lang_finish): Remove.
1855 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1856 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1858 (lang_init, lang_finish): Remove.
1859 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1860 (lang_hooks): Update.
1861 * java/lang.c (lang_init): Rename java_init.
1862 (lang_finish): Remove.
1863 (lang_hooks): Update.
1864 * objc/objc-act.c (lang_init): Rename objc_init.
1865 (lang_finish): Remove.
1866 (lang_hoooks): Update.
1868 20001-01-09 Graham Stott <grahams@redhat.com>
1870 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1871 after `ptr` is initialised.
1873 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1875 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1876 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1877 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1878 stack adjusts, instead of r3.
1880 2001-01-09 Michael Hayes <mhayes@redhat.com>
1882 * flow.c (flow_loop_scan): Break out of ...
1883 (flow_loops_find) ... here.
1884 * basic-block.h (flow_loop_scan): New.
1885 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1886 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1888 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1890 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1892 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1893 realloc()ing macro_buffer.
1895 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1896 if it's wider than long and the target's long is wider than the
1899 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1901 Remove support for using UWIN as a host machine.
1902 * configure.in: Issue an error message.
1903 * configure: Regenerated.
1904 * config.gcc: Remove xm_* UWIN configury.
1905 * config/i386/xm-uwin.h: Remove.
1907 2001-01-08 Nick Clifton <nickc@redhat.com>
1909 * config/v850/v850.c (ra_rtx): Delete.
1910 (v850_save_machine_status): Delete.
1911 (v850_restore_machine_status): Delete.
1912 (v850_init_machine_status): New function.
1913 (v850_mark_machine_status): New function.
1914 (v850_free_machine_status): New function.
1915 (v850_return_addr): Use ra_rtx field in machine structure.
1916 (v850_init_expanders): Use new functions.
1918 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1919 * config/v850/v850.c: Change arguments to v850_output+* functions
1920 to take a const char *, to avoid compile time warning.
1921 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1922 (USER_LABEL_PREFIX): Redefine.
1924 2000-01-08 Jim Wilson <wilson@redhat.com>
1926 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1927 1 to unsigned HOST_WIDE_INT before left shift.
1929 2001-01-08 Nick Clifton <nickc@redhat.com>
1931 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1932 the machine structure has been allocated.
1933 (arm_free_machine_status): New function: Free the machine
1934 specific function structure.
1936 2001-01-08 Richard Henderson <rth@redhat.com>
1938 * jump.c (simplejump_p): Revert last change.
1940 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1942 * cppinit.c (init): Rename init_library.
1943 (cpp_create_reader): Update.
1944 * gcc.c (cpp_options): If -o given, use it as the target of
1947 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1949 * arm.c (arm_arch5e): New variable.
1950 (all_cores): XScale is a 5TE device.
1951 (arm_override_options): Set arm_arch5e.
1952 (arm_init_builtins): __builtin_prefetch is in arch5e.
1953 * arm.h (arm_arch5e): Declare it.
1955 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1957 * arm.md (define_constants): Add defines for UNSPEC and
1958 UNSPEC_VOLATILE insns. Update all users.
1959 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1960 * arm.c (multi_register_push, note_invalid_constants)
1961 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1962 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1963 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1965 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1967 * jump.c (jump_optimize_1): Use reversed_comparison_code
1968 instead of can_reverse_comparison_p.
1969 (jump_back_p): Likewise.
1970 (invert_exp_1): Likewise.
1971 (thread_jumps): Likewise.
1972 * simplify-rtx.c (simplify_unary_operation): Likewise.
1973 (simplify_ternary_operation): Likewise.
1974 * cse.c (find_comparison_args): Convert to use
1975 can_reverse_comparison_p.
1976 (record_jump_equiv): Likewise.
1978 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1980 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1981 (EPILOGUE_USES): Define.
1982 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1983 automatically stack the LR if it isn't live.
1985 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1987 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1990 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1992 * ggc-page.c (max_alignment): New structure.
1993 (MAX_ALIGNMENT): New macro.
1994 (init_ggc): Use it to round up the sizes in the
1995 extra_order_size_table.
1997 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1999 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
2002 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2004 * builtins.def (BUILT_IN_FPRINTF): New entry.
2006 * c-common.c (c_expand_builtin_fprintf): New function.
2007 (init_function_format_info): Handle __builtin_fprintf.
2008 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
2009 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
2011 * c-decl.c (duplicate_decls): Adjust comment.
2013 * extend.texi (fprintf): Document new builtin.
2015 2001-01-07 Richard Henderson <rth@redhat.com>
2017 * jump.c (simplejump_p): Recognize any single_set jump
2020 2001-01-07 Richard Henderson <rth@redhat.com>
2022 * configure.in (slibdir): Accept an --with-slibdir option.
2023 Use "test" not "[" in configure. Default to $(libdir).
2025 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
2027 * config/t-aix43 (SHLIB_INSTALL): Likewise.
2028 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
2029 (SHLIB_LINK): Create links for the soname.
2030 * config/mips/t-iris6: Likewise.
2031 * config/sparc/t-slibgcc: Likewise.
2032 * config/sparc/t-slibgcc-sld: Likewise.
2034 2001-01-07 Jakub Jelinek <jakub@redhat.com>
2036 * config/i386/i386.c (constant_call_address_operand): Accept
2037 (const (plus (symbol_ref) (const_int))).
2038 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
2039 constant_call_address_operand.
2041 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2043 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
2044 and LONG_LONG_TYPE_SIZE > 32.
2046 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2048 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
2049 the previous change.
2051 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
2053 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
2055 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
2056 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
2057 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
2060 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2062 * fix-header.c (read_scan_file): s/pfile/scan_in/.
2064 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2066 * c-lang.c (c_post_options): Call cpp_post_options.
2067 * objc/objc-act.c (objc_post_options): Similarly.
2068 * cppmain.c (main): Similarly.
2069 * fix-header.c (read_scan_file): Similarly.
2070 * cppinit.c (cpp_start_read): Move option consistency checks
2071 to cpp_post_options. Don't call init_dependency_output.
2072 If needed, add default target and main file dependency.
2073 (OPT_MD, OPT_MMD): Remove.
2075 (cpp_handle_option): Update for OPT_* changes.
2076 (cpp_post_options): New.
2077 (init_dependency_output): Command line -MF overrides environment
2078 variables. Don't set default target etc. Suppress output
2079 if dependencies are going to stdout.
2080 (print_help): Update.
2081 * cpplib.h (cpp_post_options): New.
2082 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
2084 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
2086 * jump.c (comparison_dominates_p): Support unordered compares.
2088 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
2090 * simplify-rtx.c (simplify_relational_operation): Always simplify
2091 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
2094 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
2096 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
2097 (nonzero_bits): Likewise.
2098 (simplify_comparison): Likewise.
2099 (num_sign_bit_copies): Likewise; return more sane value depending
2100 on STORE_FLAG_VALUE.
2101 (known_cond): Do not assume EQ to be always true for equivalent
2104 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
2106 * cse.c (fold_rtx): Handle unordered comparisons.
2108 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
2110 * rtlanal.c (set_of_1): New static function.
2111 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
2112 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
2113 reg_set_last_last_regno): Remove.
2114 (set_of): New global function.
2115 (set_of_data): New structure.
2116 (reg_set_p, reg_set_last): Revamp for set_of.
2117 * rtl.h (set_of): New.
2119 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
2121 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
2122 * extend.texi: Document _Exit builtin.
2124 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2126 * (initialize, initialize_builtins,
2127 initialize_dependency_output, initialize_standard_includes):
2128 Rename s/initialize/init. Update.
2129 (init_dependency_output): Move to after
2130 cpp_handle_options, the correct location temporally at least.
2131 (opt_comp): Move next to init (), its caller. Fix prototype.
2132 (init): Make "initialized" local scope.
2133 (cpp_create_reader): Always call init ().
2134 (cpp_start_read): Update.
2135 (output_deps): New function, broken out of cpp_finish.
2136 (cpp_finish): Break out output_deps.
2138 2001-01-07 Richard Henderson <rth@redhat.com>
2140 * collect2.c (COFF specific stuff): Revert 12-06 patch
2141 to prototype system functions.
2143 2001-01-07 Michael Hayes <mhayes@redhat.com>
2145 * hard-reg-set.h: Add multiple include guard.
2146 * basic-block.h (struct loop): Add `sink' field.
2147 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
2148 (emit_iv_add_mult): Delete.
2149 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
2150 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
2151 (unroll_loop): Remove end_insert_before argument.
2152 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
2153 (maybe_eliminate_biv_1): Likewise.
2154 (emit_iv_add_mult): Delete.
2155 (gen_add_mult, loop_regs_update): New.
2156 (loop_insn_emit_after, loop_insn_emit_before): New.
2157 (loop_insn_sink, loop_insn_sink_or_swim): New.
2158 (emit_iv_add_mult): Delete.
2159 (scan_loop): Set loop->sink.
2160 (loop_givs_reduce): Use loop_insn_sink and its ilk.
2161 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
2162 (maybe_eliminate_biv_1): Likewise.
2163 (maybe_eliminate_biv_1): Add basic block argument.
2164 * unroll.c (unroll_loop): Remove end_insert_before argument.
2165 (find_splittable_regs): Likewise.
2166 (find_splittable_regs): Use loop_insn_sink and its ilk.
2167 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2169 2001-01-07 Michael Hayes <mhayes@redhat.com>
2171 * loop.h (loop_insn_hoist): New prototype.
2172 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
2173 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
2174 (check_dbra_loop, load_mems): Likewise.
2175 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
2176 (find_splittable_givs): Likewise.
2178 2001-01-07 Michael Hayes <mhayes@redhat.com>
2180 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2182 2001-01-07 Richard Henderson <rth@redhat.com>
2184 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2186 2001-01-07 Richard Henderson <rth@redhat.com>
2188 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2189 NO_SHARED_LIBGCC_MULTILIB as required for the target.
2190 * gcc.c (init_spec): Massage the existing libgcc_spec into a
2191 variant that handles a shared libgcc.
2192 (process_command): Always validate -{static,shared}-libgcc.
2193 (do_spec_1): New 'M' case.
2194 * invoke.text (Link Options): Document -{static,shared}-libgcc.
2196 2001-01-07 Richard Henderson <rth@redhat.com>
2198 * Makefile.in (slibdir): New variable.
2199 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2200 (installdirs): Create slibdir.
2201 (install-libgcc, install-multilib): Defer to libgcc.mk.
2202 * configure.in (slibdir): Substitute.
2203 * mklibgcc.in (install): New target.
2205 * config/t-linux (SHLIB_LINK): Create links for the soname.
2206 (SHLIB_INSTALL): New.
2207 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2208 * config/mips/t-iris6 (SHLIB_INSTALL): New.
2209 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2210 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2211 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2213 2001-01-07 Richard Henderson <rth@redhat.com>
2215 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2216 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2217 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2219 2001-01-07 Michael Hayes <mhayes@redhat.com>
2221 * loop.c (count_loop_regs_set): Delete.
2222 (load_mems_and_recount_loop_regs_set): Delete.
2223 (loop_regs_scan): Merge common code from count_loop_regs_set,
2224 scan_loop, and load_mems_and_recount_loop_regs_set.
2225 (scan_loop): Call load_mems directly and loop_regs_scan
2226 again if new registers created.
2228 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2230 * toplev.c (main): Call the front-end specific post_options
2231 hook if one is given.
2232 * toplev.h (struct_lang_hooks, lang_hooks): New.
2233 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2234 for the C front end.
2235 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2236 lang_hooks for the C++ front end.
2237 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2238 lang_hooks for the ObjC front end.
2239 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2240 * java/lang.c (lang_hooks): Hooks for the Java front end.
2242 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2244 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2245 for verbose DWARF[2] debugging.
2246 (cb_define, cb_undef): The new callbacks.
2247 * toplev.h (debug_define, debug_undef): Make const correct.
2248 * toplev.c (debug_define, debug_undef): Similarly. Do not
2249 perform the verbosity tests here anymore.
2251 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2253 * reload.c (subst_reloads): Take INSN argument. When
2254 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2255 * reload.h (subst_reloads): Adjust prototype.
2256 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2257 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2258 present in JUMP_INSNs and copy them to JUMP_LABEL.
2259 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2260 JUMP_INSNs and insns with REG_LABELs that are followed by
2261 JUMP_INSNs with the same REG_LABEL.
2262 * sched-rgn.c (is_cfg_nonregular): Likewise.
2263 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2265 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2267 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2269 2001-01-06 Richard Henderson <rth@redhat.com>
2271 * loop.c (scan_loop): Use xcalloc for the regs array.
2272 (load_mems_and_recount_loop_regs_set): Zero the new memory
2273 received from xrealloc.
2275 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2277 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2279 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2281 * integrate.c (copy_rtx_and_substitute): When copying
2282 an ignored return value, strip REG_FUNCTION_VALUE_P.
2284 2001-01-06 Michael Hayes <mhayes@redhat.com>
2286 * loop.c (debug_biv, debug_giv): New.
2287 (loop_biv_dump): Break out from ...
2288 (record_biv): ... here.
2289 (loop_giv_dump): Break out from ...
2290 (record_giv): ... here.
2291 (loop_bivs_check): Use print_simple_rtl.
2292 * unroll.c (loop_iterations): Use print_simple_rtl.
2294 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2296 * pa.md (return, return_internal): Modify patterns to prevent regrename
2297 mucking with the return pointer.
2299 2001-01-05 Richard Henderson <rth@redhat.com>
2301 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2303 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2305 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2306 version supplied by Matteo Frigo.
2308 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2310 * cpp.texi: Update for -MQ.
2311 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2312 (cpp_cleanup): Always free pfile->deps.
2313 (initialize_dependency_output): Don't create pfile->deps.
2314 (cpp_handle_option): Similarly.
2316 * gcc.c (cpp_options): Handle -MQ.
2317 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2318 * mkdeps.c (base_name): Remove.
2319 (deps_init): Don't allocate vector space until it's needed.
2320 (deps_free): Only free vectors if allocated.
2321 (deps_add_target, deps_add_dep): Update for initial allocation.
2322 (deps_add_default_target): Don't strip to the base_name.
2324 2001-01-05 DJ Delorie <dj@redhat.com>
2326 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2327 (INIT_EXPANDERS): Define.
2329 * config/v850/v850.c (struct machine_function): Define.
2330 (v850_save_machine_status): New function.
2331 (v850_restore_machine_status): New function.
2332 (v850_return_addr): New function.
2333 (v850_init_expanders): New function.
2335 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2336 and v850_init_expanders.
2338 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2340 * cpplib.h (struct cpp_reader): Add help_only field.
2341 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2342 (cpp_handle_option): Set pfile->help_only if we see -h,
2343 --help, -target-help, or --version. Print version string but
2344 do not set help_only if we see -v or -version. Make text
2345 printed by -v match that printed by (-)-version.
2347 * cppmain.c (main): Exit after option parsing if
2348 pfile->help_only is true.
2350 * toplev.c (independent_decode_option): Call print_version,
2351 then exit, if we see --version (but not -version).
2352 (print_version): Split lengthy message into two lines.
2354 2001-01-05 Nick Clifton <nickc@redhat.com>
2356 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2357 temporary string for initialisation before calling ggc_alloc_string.
2359 2001-01-06 Michael Hayes <mhayes@redhat.com>
2361 * rtl.h (print_simple_rtl): New.
2362 * print-rtl.c (print_simple_rtl): New.
2364 (print_rtx): Disable printing of flags and modes, etc.,
2365 if `flag_simple` nonzero.
2367 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2369 * function.c (fixup_var_refs): Use push_to_full_sequence where
2372 2001-01-05 Michael Meissner <meissner@redhat.com>
2374 * flags.h (flag_reorder_blocks): Add declaration.
2375 (flag_rename_block): Ditto.
2377 2001-01-05 DJ Delorie <dj@redhat.com>
2379 * function.c (reorder_blocks): Make sure the flags are all reset
2380 before using them to mark blocks, else a second invocation will
2381 corrupt the block chain.
2382 (reorder_blocks_0): New, resets the flags.
2384 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2386 * cse.c (find_comparison_args): Stop if the argument is known to
2389 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2391 * config/sh/sh.md (movdf): When splitting load into pair of
2392 registers, don't clobber the register used in the address too
2395 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2397 * varasm.c (mark_constant_pool): Improve initial comments.
2398 (mark_constants): Move marking of constants to mark_constant.
2399 (mark_constant): New function to recursively mark all constants
2400 referred to by a constant.
2402 2001-01-05 Catherine Moore <clm@redhat.com>
2404 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2406 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2408 * cp/lang-options.h: Bring comment in line with reality.
2409 * f/lang-options.h: Likewise.
2410 * java/lang-options.h: Likewise.
2411 * objc/lang-options.h: Likewise.
2412 * ch/lang-options.h: Likewise.
2413 * f/g77.texi: And update the manual.
2415 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2416 Denis Chertykov <denisc@overta.ru>
2418 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2419 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2420 * config/avr/avr.md (all peepholes that request a scratch register):
2421 Call it, FAIL the peephole if not safe (in interrupt functions).
2423 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2425 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2427 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2429 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2431 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2432 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2433 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2434 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2435 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2437 * extend.texi: Document these builtins.
2439 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2441 * c-common.c (lang_get_alias_set): Say we know nothing of
2442 VECTOR_TYPE aliasing.
2444 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2446 2001-01-05 Bruce Korb <bkorb@gnu.org>
2448 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2449 their x* equivalent versions for atexit-less systems
2450 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2451 systems (or any other system any more).
2453 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2455 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2456 output operands. Use arm_hard_register_operand for operand 4.
2457 (stmsi_postinc): Similarly.
2458 (ldmsi): Use arm_hard_register_operand for opernand 2.
2460 * arm.c (arm_hard_register_operand): New function.
2461 * arm-protos.h (arm_hard_register_operand): Prototype it.
2463 * arm.h (HARD_REGNO_RENAME_OK): Define.
2465 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2467 * simplify-rtx.c (cfc_args): add "unordered" field.
2468 (check_fold_consts): Set unordered field.
2469 (simplify_relational_operation): Simplify the unordered
2472 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2475 * emit-rtl.c (try_split): Fix code to mark labels.
2476 * jump.c (mark_jump_label): Make global.
2477 * rtl.h (mark_jump_label): Declare.
2479 * predict.c (estimate_probability): Handle unordred comparisons.
2481 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2483 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2484 * cppinit.c (initialize_dependency_output): Update.
2485 (cpp_finish): Output dummy targets for -MP.
2487 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2488 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2489 * gcc.c (cpp_options): Update to handle -MP.
2490 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2491 to quote only the default target.
2492 (deps_phony_targets): Insert a preceding newline. Rename from
2493 deps_dummy_targets for consistency.
2496 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2498 * calls.c (emit_library_call_value_1): Support
2499 INIT_CUMULATIVE_LIBCALL_ARGS.
2500 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2502 2001-01-04 Richard Henderson <rth@redhat.com>
2504 * c-decl.c (finish_struct): Detect flexible array members
2505 used in an inappropriate context.
2506 * c-typeck.c (really_start_incremental_init): Special case
2507 constructor_max_index for zero length arrays.
2508 (pop_init_level): Allow initialization of flexible array
2509 members. Deprecate initialization of zero length arrays.
2510 Don't issue missing initializer warning for flexible array
2511 members or zero length arrays.
2512 (process_init_element): Don't dereference null DECL_SIZE.
2513 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2514 Don't abort for empty constructors. Use size_binop
2515 (output_constructor): Add commentary regarding zero length
2516 array futures. Abort if we try to initialize an array of
2517 unspecified length with a non-empty constructor in the middle
2520 * extend.texi (Zero Length): Update and clarify documentation
2521 on static initialization.
2523 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2525 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2526 with more than 32767 words of local storage.
2528 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2530 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2531 for 'abs', 'labs', and 'fabs'.
2532 (c4x_expand_builtin): Likewise.
2533 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2535 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2537 * config/sh/sh.md (prget, prset): New insn types.
2538 (return delay slot): Dont' allow prset.
2539 (call, sfunc delay slot): Don't allow prget.
2540 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2541 for prset and prget.
2543 2001-01-05 Michael Hayes <mhayes@redhat.com>
2545 * loop.h (struct loop_reg): New.
2546 (struct loop_regs): Change to use array of `struct loop_reg'.
2547 * loop.c: Replace assortment of varrays with single regs array.
2548 (count_one_set): Delete may_not_move array argument
2549 and use regs array instead. All caller's changed.
2550 (count_loop_regs_set): Delete may_not_move and single_usage
2551 arguments and use regs array instead. All caller's changed.
2552 (find_single_use_in_loop): Replace usage array argument with pointer
2553 to regs structure. All caller's changed.
2554 (loop_optimize): Delete `moved_once' array.
2556 2001-01-05 Michael Hayes <mhayes@redhat.com>
2558 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2559 Use it instead of loop_info->has_call for scanning loop mems.
2560 (check_dbra_loop): Replace loop_info->has_call test with
2561 loop_info->has_nonconst_call.
2563 2000-01-04 Matthew Hiller <hiller@redhat.com>
2565 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2568 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2570 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2571 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2573 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2575 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2576 (flag_short_double, flag_short_wchar): Define.
2577 (c_common_nodes_and_builtins): Create many tree nodes shared
2578 between C and C++ here instead of in cp/decl.c and ...
2579 * c-decl.c (init_decl_processing): ... here.
2580 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2581 (flag_short_double, flag_short_wchar): Don't define.
2582 (record_builtin_type): New function.
2583 (build_void_list_node): New function.
2584 * c-common.h (flag_short_double, flag_short_wchar,
2585 record_builtin_type, build_void_list_node): Declare.
2587 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2589 * integrate.c (expand_inline_function): Don't put a virtual
2590 register into the reg map.
2592 * function.c (fixup_var_refs_1): If force_operand didn't put
2593 the address into the target, move it there.
2595 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2597 Special-case tree_decl/tree_list allocations.
2598 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2599 (OBJECT_SIZE): New macro.
2600 (NUM_EXTRA_ORDER): Likewise.
2601 (extra_order_size_table): New variable.
2602 (NUM_ORDERS): New macro.
2603 (objects_per_page_table): New variable.
2604 (object_size_table): New variable.
2605 (G.pages): Use NUM_ORDERS to bound the array.
2606 (G.page_tails): Likewise.
2607 (DIV_ROUND_UP): Remove.
2608 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2609 (alloc_page): Use OBJECT_SIZE.
2610 (size_lookup): Don't make it const.
2611 (ggc_alloc): Use OBJECT_SIZE.
2612 (ggc_set_mark): Likewise.
2613 (ggc_get_size): Likewise.
2614 (init_ggc): Set up the object_size_table, objects_per_page_table,
2615 and adjust size_lookup.
2616 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2617 (ggc_pop_context): Use NUM_ORDERS.
2618 (clear_marks): Likewise.
2619 (sweep_pages): Likewise.
2620 (poison_pages): Likewise.
2621 (ggc_print_statistics): Use OBJECT_SIZE.
2623 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2625 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2626 Only call array_size_for_constructor if last field and array type
2627 with no upper bound.
2629 2001-01-04 Philip Blundell <philb@gnu.org>
2631 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2632 from bit 31 downwards, if this requires no more insns.
2633 (count_insns_for_constant): New helper function for above.
2635 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2637 * gencodes.c (output_predicate_decls): Remove empty initializer.
2639 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2641 * tree.c (copy_node): Remove documentation about obstacks.
2642 (buidl1): Check that nobody tries to build 2-argument nodes this
2645 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2647 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2650 * gencodes.c (output_predicate_decls): Fill empty initializer
2653 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2655 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2656 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2658 (do_include): Handle missing headers like cpp0.
2659 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2660 paths with first include pathname. Don't strcat to uninitialized
2663 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2665 * regrename.c (regrename_optimize): Don't rename from frame pointer
2666 if frame_pointer_needed.
2667 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2668 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2669 (ia64_reorg): Use it instead of scheduling if ! optimize.
2670 (errata_emit_nops): Properly call asm_noperands.
2671 (ia64_sched_reorder): Finish cycle if we see an asm.
2672 (ia64_variable_issue): Clear scheduling state after asms.
2674 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2676 * cpp.texi: Update for -MT.
2677 * cppinit.c (initialize_dependency_output): Add a default
2678 target if none has been given already.
2679 (no_tgt, OPT_MT): New.
2680 (cpp_handle_option): Handle -MT. Update -M etc.
2681 * cpplib.h (struct cpp_options): Remove deps_target.
2682 * gcc.c (cpp_options): Handle -MT.
2683 * mkdeps.c (struct deps): Move from mkdeps.h.
2684 (deps_calc_target): Rename deps_add_default_target. Add a
2685 default target if none has been specified already.
2686 * mkdeps.h (struct deps): Move to mkdeps.c.
2687 (deps_calc_target): Rename deps_add_default_target.
2689 2000-01-03 Richard Henderson <rth@redhat.com>
2691 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2693 * c-typeck.c (push_init_level): Move checks for flexible array
2694 members and zero length arrays ...
2695 (pop_init_level): ... here. Silently discard empty initializations.
2697 * varasm.c (output_constructor): Update for sizeof change to
2700 * extend.texi (Zero Length): Clarify semantics.
2702 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2704 * configure.in (tm.h): Include isns-codes.h last.
2705 * configure: Rebuilt.
2707 2001-01-03 Richard Henderson <rth@redhat.com>
2709 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2710 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2712 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2714 * tradcpp.c (main): Make sure finclude() is called with a valid
2715 indepth value while handling -include.
2717 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2719 * gencodes.c (output_predicate_decls): New function.
2721 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2722 even if it is not the first time machmode.h is #included.
2723 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2724 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2725 * gcc.texi (Copyright): Added 2001.
2727 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2729 * c-common.c (c_common_lang_init): New function. Warn if format
2730 warning options which only have effects when used with -Wformat
2731 are used without -Wformat.
2732 * c-common.h (c_common_lang_init): Declare.
2733 * c-lang.c (lang_init): Call c_common_lang_init.
2734 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2736 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2738 * configure.in: Check for the mktemp command.
2739 * configure: Regenerate.
2740 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2741 $TEMP. Create temporary files with mktemp, if available at
2742 configure time; otherwise use set -C. Remove temporary files
2745 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2747 * configure.in: Require at least texinfo 4.0. Check for whether
2748 Pod::Man is sufficiently recent to regenerate GCC manpages.
2749 * configure: Regenerate.
2750 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2752 (GENERATED_MANPAGES): Define.
2753 (generated-manpages): New target. Depend on cpp.1 as well as
2755 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2756 configure to generated-manpages or empty) rather than on the
2757 manpages directly. Remove execute permission from installed
2758 gcov.1 as well as cpp.1.
2759 * cpp.1, gcov.1: Regenerate.
2761 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2763 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2764 tree_low_cst. Allow using cmpstrsi in more cases.
2766 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2768 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2771 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2773 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2774 * Makefile.in (HOST_CFLAGS): Mention build-make.
2776 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2778 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2781 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2783 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2786 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2789 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2790 reg_base_value and reg_known_value arrays.
2791 (init_alias_analysis): Add more cases to detect known values.
2792 * sched-deps.c (deps_may_trap_p): New function.
2793 (sched_analyze_2): Use it.
2795 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2797 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2798 don't discard an ASHIFTRT if we're shifting in a wider mode.
2800 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2802 * toplev.c (rest_of_compilation): Don't print basic block information
2803 when CFG isn't up to date.
2805 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2807 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2808 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2809 (UNALIGNED_SHORT_ASM_OP): Define.
2810 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2812 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2814 * fold-const.c (fold_convert): Fix typo.
2816 2001-01-02 Richard Henderson <rth@redhat.com>
2818 * c-common.h (ASM_INPUT_P): New.
2819 * c-parse.in (asm): Set it when needed.
2820 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2821 existance of an operand.
2823 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2825 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2826 (dwarf2out_frame_debug_expr): Likewise.
2827 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2829 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2831 * i386.c (ix86_split_to_parts): Return number of part required;
2833 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2835 (ix86_split_long_move): Use number of part returned
2836 by ix86_split_to_parts
2837 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2839 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2840 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2841 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2842 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2843 (ALIGN_MODE_128): Add TFmode.
2844 (IS_STACK_MODE): Likewise.
2845 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2846 (HARD_REGNO_OK): Support TFmodes.
2847 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2848 * i386.md (scheduler definitions): Use memory operand to determine
2849 fst/fld instructions; use mode attribute to determine real mode of
2851 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2852 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2854 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2856 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2858 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2860 * expr.c (store_constructor_field): Update ALIGN before calling
2863 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2865 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2868 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2870 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2873 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2875 * c-decl.c (start_function): Don't warn on third parameter to main.
2877 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2879 * tsystem.h: Define HAVE_DECL_GETOPT.
2881 2001-01-02 Philip Blundell <pb@futuretv.com>
2883 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2886 2001-01-02 Richard Henderson <rth@redhat.com>
2888 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2890 2001-01-02 Andreas Jaeger <aj@suse.de>
2892 * c-decl.c (c_decode_option): Remove support of
2895 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2896 (W_options): Add -Wmissing-noreturn here.
2898 * flow.c: Define lang_missing_noreturn_ok_p.
2899 (check_function_return_warnings): Use it.
2901 * c-common.h: Declare lang_missing_noreturn_ok_p.
2903 * c-lang.c (c_missing_noreturn_ok_p): New function.
2904 (lang_init): Set lang_missing_noreturn_ok_p.
2906 * invoke.texi (Warning Options): Document this.
2908 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2910 * extend.texi (C++ Extensions): New node for C++ attributes;
2911 describe init_priority and com_interface.
2912 * invoke.texi: Remove -finit-priority as it now has zero effect.
2913 * install.texi: Fix xref syntax.
2914 * md.texi: Likewise.
2916 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2918 * config.gcc (sparc64-wrs-vxworks*): New case.
2919 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2921 * config/sparc/sparc.c (sparc_override_options): Do support different
2922 pointer and architecture size.
2923 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2924 (POINTERS_EXTEND_UNSIGNED): Define.
2925 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2926 (FUNCTION_MODE): Define to be Pmode.
2927 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2929 * function.c (expand_function_end): Properly handle DECL_RESULT
2930 and copy when ptr_mode != Pmode.
2931 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2933 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2935 * c-common.c (c_common_nodes_and_builtins): Set prototype
2936 parameters for __builtin_fputs, __builtin_fputc and
2937 __builtin_fwrite. Don't declare plain fputc as a builtin.
2939 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2941 * loop.c (add_label_notes): Increment the label usage count when
2942 a note is added to an insn which refers to a CODE_LABEL.
2943 * gcse.c (add_label_notes): Likewise.
2945 2001-01-01 Andreas Jaeger <aj@suse.de>
2947 * loop.c (scan_loop): Use xmalloc to allocate movables.
2949 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2951 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2952 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2953 * reload1.c (REGISTER_MOVE_COST): Likewise.
2954 * regclass.c (REGISTER_MOVE_COST): Likewise.
2955 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2956 dimension. Adjust all users.
2957 (init_reg_sets_1): Iterate on all modes.
2958 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2959 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2960 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2961 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2962 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2963 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2964 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2965 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2966 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2967 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2968 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2969 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2970 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2971 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2972 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2973 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2974 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2975 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2976 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2977 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2978 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2979 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2980 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2981 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2982 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2983 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2984 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2986 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2988 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2989 arg VARIES_P. Call it with extra arg.
2990 (true_dependence): Likewise.
2991 * rtl.h (rtx_addr_can_trap_p): Declare.
2992 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2994 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2995 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2996 pic offset table register if it's zero. All callers changed.
2997 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2999 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3001 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
3002 STRING_POOL_ADDRESS_P.
3004 * config/sparc/sparc.c (input_operand): Properly test for short op.
3006 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
3007 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
3008 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
3009 * config/sparc/elf.h: No longer include sol2.h.
3010 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
3011 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
3013 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
3015 2001-01-01 Michael Hayes <mhayes@redhat.com>
3017 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
3018 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
3019 (record_initial): Likewise.
3020 * unroll.c (copy_loop_body, loop_iterations): Likewise.
3021 (remap_split_bivs): Likewise.
3023 2001-01-01 Michael Hayes <mhayes@redhat.com>
3025 * loop.c (loop_ivs_free): New function.
3026 (strength_reduce): Break out from...
3028 2001-01-01 Michael Hayes <mhayes@redhat.com>
3030 * loop.h (struct iv): New.
3031 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
3032 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
3033 'reg_biv_class' fields with 'regs' and 'n_regs'.
3034 (struct ivs): Rename 'loop_iv_list' field to 'list'.
3035 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
3036 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
3038 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
3040 * resource.c (mark_referenced_resources): Abort() before
3041 attempting to mark a pseudo register.
3042 (mark_set_resources): Likewise.
3044 2001-01-01 Michael Hayes <mhayes@redhat.com>
3046 * loop.h (REG_IV_CLASS): New accessor macro.
3047 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
3048 * unroll.c (REG_IV_CLASS): Likewise.
3050 See ChangeLog.4 for earlier changes.
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