1 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
5 2001-01-29 DJ Delorie <dj@redhat.com>
7 * combine.c (if_then_else_cond): Pass the correct mode to
8 operand_subword() for constants.
10 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
12 * config/i386/cygwin.h: Add w32api to include search. Search different
13 directories in a cross-build environment.
15 2001-11-29 Tim Josling <tej@melbpc.org.au>
17 * tree.h (TYPE_STUB_DECL): Add documentation.
19 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
21 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
22 (sdbout_field_types): Likwise. Fix use of host_integerp.
24 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
26 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
29 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
31 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
32 to use flag_gnu_linker.
34 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
36 * cpplib.c (T_BAD_DIRECTIVE): Remove.
37 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
39 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
41 * tree.c, tree.h (build_parse_node): Remove; was identical to
43 * c-lang.c (start_cdtor), objc/objc-act.c
44 (build_module_descriptor): Use build_nt instead of
47 2001-01-29 Jakub Jelinek <jakub@redhat.com>
49 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
50 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
51 not have any upper bits set.
53 2001-01-29 Phil Edwards <pme@sources.redhat.com>
55 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
57 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
59 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
61 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
63 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
64 (integer_minus_one_node): Define.
66 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
68 * Makefile.in (bootstrap2-lean): Fix typo.
70 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
72 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
74 * cpplib.h (AVOID_LPASTE): New flag.
75 (struct cpp_hashnode): Remove fe_value.
76 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
77 * cppmacro.c (builtin_macro): Don't set flags here.
78 (replace_args): Set AVOID_LPASTE flag on first token of an
79 argument, and the token following it.
80 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
81 macro expansion, and on the token following it. Do it for
83 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
85 2001-01-27 Richard Henderson <rth@redhat.com>
87 * config/alpha/t-ieee: Remove multilibbing.
88 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
90 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
92 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
94 * Makefile.in: Remove all dependencies on defaults.h.
95 * builtins.c: Don't include defaults.h.
96 * c-common.c: Likewise.
98 * c-pragma.c: Likewise.
99 * c-typeck.c: Likewise.
100 * combine.c: Likewise.
102 * frame-ia64.c: Likewise.
103 * cppexp.c: Likewise.
104 * crtstuff.c: Likewise.
105 * dbxout.c: Likewise.
106 * dwarf2out.c: Likewise.
107 * dwarfout.c: Likewise.
108 * emit-rtl.c: Likewise.
109 * except.c: Likewise.
112 * frame-dwarf2.c: Likewise.
113 * libgcc2.c: Likewise.
114 * optabs.c: Likewise.
115 * profile.c: Likewise.
116 * sdbout.c: Likewise.
117 * toplev.c: Likewise.
118 * tradcif.y: Likewise.
120 * varasm.c: Likewise.
122 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
124 * builtins.c (expand_builtin_fputs): Use size_one_node when
125 transforming into fwrite.
127 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
129 * extend.texi (Attribute Syntax): New section.
131 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
133 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
134 they didn't need fixing.
136 2001-01-27 Janis Johnson <janis@us.ibm.com>
138 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
140 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
141 to remove macro definitions that are duplicated from elfos.h.
143 2001-01-27 Richard Henderson <rth@redhat.com>
145 * config/i386/sco5gas.h: Move ...
146 * config/usegas.h: ... here.
147 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
149 2001-01-27 Jakub Jelinek <jakub@redhat.com>
151 * c-typeck.c (struct constructor_stack): Add range_stack member.
152 (really_start_incremental_init): Clear it.
153 (push_init_level): Save constructor_range_stack and clear it if
154 pushing explicit braces.
155 (pop_init_level): abort if constructor_range_stack is non-zero at
156 explicit closing brace. Restore saved constructor_range_stack if
159 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
161 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
162 into register was forced into memory.
164 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
166 * Makefile.in: Remove uses of + before $(MAKE).
168 2001-01-26 Richard Henderson <rth@redhat.com>
170 * stmt.c (cost_table): Remove.
171 (COST_TABLE, cost_table_initialized): New.
172 (estimate_case_costs): Use the later instead of the former.
173 (balance_case_nodes): Likewise.
175 2001-01-26 Richard Henderson <rth@redhat.com>
177 * alias.c (objects_must_conflict_p): Read-only slots may not
178 conflict despite having the same type.
180 2001-01-27 Michael Hayes <mhayes@redhat.com>
182 * loop.c (loop_giv_reduce_benefit): Copy mode size into
184 (check_ext_dependant_givs): Initialise u_start_val and
186 (load_mems): Make last_max_reg unsigned.
187 (try_swap_copy_prop): Use INSN_P and initialise set.
189 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
191 * README.AVR : Removed.
193 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
195 * pa-64.h (text_section): Remove declaration.
197 * pa.md (return_internal): Remove mode on PIC register use.
199 2001-01-25 lars brinkhoff <lars@nocrew.org>
201 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
202 ASM_CLOSE_PAREN): fix typos.
204 2001-01-25 Mark Mitchell <mark@codesourcery.com>
206 * acconfig.h: Define `const' to the empty string if neither
207 __STDC__ nor __cplusplus is defined.
208 * config.in: Regenerated.
210 2001-01-25 David Edelsohn <edelsohn@gnu.org>
212 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
213 * collect2.c (main): Delete importf. Add ".obj" file extension.
214 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
215 (aix_std_libs): Add additional AIX libraries to skip.
216 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
217 * config/rs6000/aix51.h: New file.
219 2001-01-25 Michael Hayes <mhayes@redhat.com>
221 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
222 (loop_insn_emit_before): No longer static.
223 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
224 (loop_givs_rescan, load_mems): Likewise.
225 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
226 (maybe_eliminate_biv_1):
227 (move_movables): Replace emit_call_insn_before with
228 loop_call_insn_hoist.
229 * loop.h (loop_insn_emit_before): Add.
230 * unroll.c (copy_loop_body): Replace emit_insn_before with
231 loop_insn_emit_before.
233 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
235 * diagnostic.c (fatal): Request preprocessed source.
237 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
239 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
240 olddecl has argument types and newdecl has none, use the argument
243 2001-01-24 Ulrich Drepper <drepper@redhat.com>
245 * dwarf2out.c (prefix_of): New function. Determine longest common
246 prefix of the two arguments. The units are whole path components.
247 (output_file_names): When adding a new directory find the one entry
248 with the longest common prefix already in the list. Artificially
249 generate entry if there is none for this prefix.
250 Fix test to check whether the zeroth directory entry is used.
252 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
254 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
255 Changed all callers. Take it into account when deciding if a
256 previously loaded value matches.
258 2001-01-24 Richard Henderson <rth@redhat.com>
260 * reload.c (find_reloads_subreg_address): Fail the substitution
261 if the resulting address is insufficiently aligned.
263 2001-01-24 DJ Delorie <dj@redhat.com>
265 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
266 check the original operand's mode also.
267 * simplify-rtx.c (simplify_ternary_operation): Ditto.
269 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
271 * c-parse.in (cast_expr): Move compound literals from here ...
272 (primary): ... to here. Use standard terminology "compound
273 literal" instead of "constructor expression".
275 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
277 * gcc.1, cpp.1: Regenerate.
279 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
281 * calls.c (emit_library_call_value_1): Memory slot for
282 pass-by-reference argument should have the mode of the argument,
283 not of the pointer to it.
285 2001-01-24 Tom Tromey <tromey@redhat.com>
287 * gcc.texi (G++ and GCC): Mention gcj manual.
288 (Standards): Link to section of manual mentioning gcj/Java
291 2001-01-24 Jakub Jelinek <jakub@redhat.com>
293 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
294 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
295 * tradcpp.c (main): Add -imacros or -include'd dependencies
297 * cpp.texi (-M, -MM): Document -M -include behaviour.
299 2001-01-24 Roger Collins <roger@ProProject.com>
301 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
303 2001-01-24 Will Cohen <wcohen@redhat.com>
305 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
306 whether registers are 32 bits or 64 bits in size.
308 2001-01-24 Ben Elliston <bje@redhat.com>
310 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
312 2001-01-24 Richard Henderson <rth@redhat.com>
314 * config/alpha/alpha.md (builtin_longjmp_internal): New.
315 (builtin_longjmp): Use it instead of emit_indirect_jump.
317 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
319 * bb-reorder.c (make_reorder_chain_1): Handle case where
320 jump edge goes to the same block as the fallthru edge.
322 2001-01-23 Jim Wilson <wilson@redhat.com>
324 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
325 * frame.h (__ia64_personality_v1): Add prototype.
326 * libgcc2.c (ia64_throw_helper): Change personality declaration to
327 prototype form. Add void * cast to first argument to personality
329 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
330 (asctoe113): Likewise.
331 * config/ia64/frame-ia64.c: Include eh-common.h.
332 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
334 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
336 (itanium_split_issue): Add prototype.
337 (gen_nop_type): Ifdef out.
338 (find_best_packet): Initialize best_packet.
339 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
341 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
342 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
343 (flushrs): Add explicit stop bit at end.
344 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
347 2001-01-23 Chris Demetriou <cgd@broadcom.com>
349 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
351 * libgcc2.c (__terminate_func): Make variable static.
352 (__terminate_set_func): New function to set __terminate_func.
353 * libgcc2.h (__terminate_func_ptr): New typedef.
354 (__terminate_set_func): New function.
356 2001-01-23 Richard Henderson <rth@redhat.com>
358 * flow.c (init_propagate_block_info): Don't consider unchanging
359 memories for dead frame store elimination.
361 2001-01-23 Richard Henderson <rth@redhat.com>
363 * varasm.c (UNIQUE_SECTION): Move default implementation ...
364 * defaults.h: ... here.
366 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
368 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
370 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
372 * c-lex.c (lex_charconst): Fix typo: s/p/str.
374 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
376 * rs6000.h (rs6000_return_addr): Move prototype from here...
377 * rs6000-protos.h (rs6000_return_addr): ...to here.
378 (rs6000_init_expanders): Delete prototype.
380 2001-01-23 Nick Clifton <nickc@redhat.com>
382 * invoke.texi: Replace , with \, inside @gccoptlist macros.
383 (Spec Files): Document %B and %j and %. and %v3 and %M and
384 %{S*&T} spec switches.
386 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
388 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
390 2001-01-23 Chris Demetriou <cgd@sibyte.com>
391 Neil Booth <neil@daikokuya.demon.co.uk>
393 * cpperror.c: Merge handlers of PEDWARN and WARNING.
394 Have -Werror make pedantic warnings errors, like the
397 2001-01-23 Phil Edwards <pme@sources.redhat.com>
399 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
401 2001-01-23 Jakub Jelinek <jakub@redhat.com>
403 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
404 * integrate.c (expand_inline_function): Initialize them.
405 (subst_constants): If changing COMPARE so that both its arguments
406 will be VOIDmode and the comparison mode will be lost, note
407 compare_mode. Use the recorded compare_mode to optimize
410 2001-01-23 Jason Merrill <jason@redhat.com>
412 * dwarf2out.c (new_die): Use xcalloc.
413 (output_die): Abort rather than emit a local reference to offset 0.
415 2001-01-17 Andrew Haley <aph@redhat.com>
417 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
418 of a saved register; return NULL instead.
419 (copy_reg): Take a pointer to a source register rather than a
421 (next_stack_level): Remember the address in the stack frame of all
423 Use the saved register pointer array as the source of the CFA.
424 (throw_helper): Rewrite. Unwind once rather than twice and keep
425 track of saved registers as we go.
427 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
429 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
430 * c4x.c (c4x_legitimize_reload_address): Remove.
431 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
432 reload address for ldp(k) insn.
434 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
436 * pa.md (return_internal): Add a USE of the PIC register to ensure
437 it is restored after each call.
438 (return expander): Corresponding changes.
440 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
442 * rs6000.h (INIT_EXPANDERS): Delete.
443 (RETURN_ADDR_RTX): Call rs6000_return_addr().
444 * rs6000.c (rs6000_override_options): Call *_machine_status from
446 (rs6000_init_expanders): ...instead of here. Delete.
447 (rs6000_mark_machine_status): New function.
448 (rs6000_init_machine_status): Use xcalloc.
449 (rs6000_return_addr): Generate RTX for the return address.
450 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
451 (rs6000_stack_info): Use it.
453 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
455 * gthr-win32.h: Include errno.h to get a declaration for
456 EINVAL and _mingw.h if the target is mingw32.
458 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
460 * cpp.texi: Correct typos.
462 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
464 * explow.c (probe_stack_range): Ensure value passed to
465 stack_check_libfunc is ptr_mode, not Pmode.
467 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
469 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
470 case, don't use operand_subword to calculate a SUBREG that is
473 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
475 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
477 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
478 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
479 valid. If not replace it by equivalent insns.
481 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
483 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
484 contains SYMBOL_REF, LABEL_REF and CONST_INT.
485 (c4x_U_constraint, symbolic_address_operand): Likewise.
486 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
488 (c4x_r11_set_p, c4x_check_laj_p): New functions.
489 * c4x-protos.h (c4x_check_laj_p): Add prototype.
490 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
491 anulling slot because of silicon bug.
492 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
494 2001-01-22 Alan Modra <alan@linuxcare.com.au>
496 * cppexp.c (parse_charconst): Change `mask' type to agree
499 2001-01-21 Richard Henderson <rth@redhat.com>
501 * config/i386/i386.c (ix86_asm_file_end): Disable putting
502 pic_label_name in a linkonce section.
504 2001-01-17 Philipp Thomas <pthomas@suse.de>
506 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
508 * configure: Regenerate.
510 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
512 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
513 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
515 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
517 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
518 If REVERSE nonzero then condition code in X must be reversed.
519 (encode_section_info): Optimise if/else.
520 (avr_function_value): Fix formatting.
522 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
523 (difficult_branch): Likewise.
524 (rvbranch): Likewise.
525 (difficult_rvbranch): Likewise.
527 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
529 * config/avr/libgcc.S: Fix comment.
531 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
533 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
535 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
537 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
539 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
541 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
542 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
543 * configure, config.in: Regenerate.
544 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
545 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
546 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
547 (doprint.o): New rule.
549 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
551 * c-typeck.c (digest_init): Handle boolean types as scalars.
553 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
555 * stmt.c (expand_return): Don't return anything if size is zero.
556 Delete redundant assignment to BYTES.
557 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
559 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
561 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
562 the same as the default library function names.
563 * config/avr/avr.md: Document special characters after '%'.
564 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
565 knowing which of the call-used registers are really clobbered.
566 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
567 New. Both quotient and remainder from one libgcc.S call.
568 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
569 clobber as few registers as possible.
570 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
572 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
574 * cppmacro.c (funlike_invocation_p): Don't move back up to the
575 context of the top of the stack.
577 2001-01-20 Jakub Jelinek <jakub@redhat.com>
579 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
580 (fixup_var_refs_insns): ...here.
582 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
584 * function.c (fixup_var_refs_insns): Break up into
585 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
586 [loop over entire insn list], and fixup_var_refs_insns_with_hash
587 [loop over hash table entries].
588 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
589 fixup_var_refs_insns_with_hash, to match above changes.
591 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
593 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
594 (libgcc.a): Likewise.
595 (stmp-multilib): Likewise.
596 (STAGE2_FLAGS_TO_PASS): Likewise.
598 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
600 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
601 temporary if no_new_pseudos.
603 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
605 * cppinternals.texi: Update.
607 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
609 * arm.c (arm_init_builtins): Re-enable builtins.
611 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
613 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
614 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
615 element to be null, and always expect an EXPR_LIST.
616 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
617 * sched-deps.c (sched_analyze_1): Likewise.
618 * sched-rgn.c (check_live_1, update_live_1): Likewise.
620 * regclass.c (max_set_parallel): New variable.
621 (reg_scan): Take it into account in computation of max_parallel.
622 (reg_scan_mark_refs, case SET): Compute it.
624 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
626 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
627 * function.c (assign_parms): Use INTVAL for a CONST_INT.
629 2001-01-19 Jason Merrill <jason@redhat.com>
631 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
632 for the abstract instance of an inline function.
634 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
635 J"orn Rennecke <amylaar@redhat.com>
637 * reload1.c (move2add_note_store): Treat all registers directly or
638 indirectly derived from a base register as members of the same set
640 (reload_cse_move2add): Adjust accordingly. Take mode and offset
641 of base register into account.
643 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
645 * alias.c (find_base_value): Recognize TRUNCATE.
646 (record_set): In PLUS case, invalidate if other summand is also a
649 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
651 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
652 entry to be EXPR_LIST.
653 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
654 be an EXPR_LIST (but not null, which other code doesn't allow).
655 (note_stores): Properly handle PARALLEL in SET.
656 Recursively call for top-level PARALLEL.
657 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
658 * sched-rgn.c (check_live_1, update_live_1): Likewise.
660 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
662 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
664 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
665 not pfile->skipping (== 0).
667 2001-01-17 Nick Clifton <nickc@redhat.com>
669 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
672 2001-01-17 Jim Wilson <wilson@redhat.com>
674 * invoke.texi (IA-64 options): Improve.
676 2001-01-17 Tom Tromey <tromey@redhat.com>
678 * invoke.texi (Optimize Options): Use `{}' to around @samp
681 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
683 * invoke.texi (-fno-guess-branch-probability): New option.
685 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
687 * combine.c (try_combine): Don't set i3_subst_into_i2 for
688 case of making new double-word constant.
689 Revert last change: instead just test i3_subst_into_i2.
691 2001-01-17 Jakub Jelinek <jakub@redhat.com>
693 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
694 Use q constraints instead of r.
696 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
698 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
699 (machine_function): Define.
700 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
701 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
702 pa_free_machine_status): New functions.
703 (override_options): Set {init,mark,free}_machine_status to above.
704 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
705 PIC_OFFSET_TABLE_REGNUM_SAVED.
706 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
707 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
708 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
709 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
710 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
712 2001-01-15 DJ Delorie <dj@redhat.com>
714 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
718 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
720 * flow.c (propagate_on_insn): Make trying to delete a prologue
721 or epilogue insn an ICE, not a warning. Allow doing this if
722 the current function returns with stack pointer depressed.
724 * combine.c (try_combine): If i3_subst_into_i2, properly check for
725 I3 having more than one SET.
727 2001-01-16 Jim Wilson <wilson@redhat.com>
729 * invoke.texi: Document IA-64 options.
731 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
732 (fixup_errata): Delete TARGET_A_STEP use.
733 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
734 (TARGET_SWITCHES): Delete -ma-step option.
735 * config/ia64/ia64.md (all FP patterns): Delete %B0.
736 (movqicc_astep, movqi_internal_astep, movhicc_astep,
737 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
738 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
739 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
740 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
742 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
743 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
744 cmovsi_internal): Delete ! TARGET_A_STEP check.
746 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
748 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
749 possibility to report bugs via postal mail. Change a URL and
750 merge in a nearly duplicate statement...
751 (Bug Reporting): ...from here.
752 (Service): Refer to the Bug Reporting section instead of
754 (Contributing): Remove trivial explanations concerning snapshots.
756 2001-01-16 Alan Modra <alan@linuxcare.com.au>
758 * cppmain.c (general_init): Don't use ANSI prototype.
760 2001-01-16 Tom Tromey <tromey@redhat.com>
762 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
764 2001-01-16 Richard Henderson <rth@redhat.com>
766 * config/i386/i386.h: Fix comment typo.
767 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
768 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
770 2001-01-16 Phil Edwards <pme@sources.redhat.com>
772 * gcc.c: Revert previous -fsyntax-only-related change; move
775 2001-01-16 Jakub Jelinek <jakub@redhat.com>
777 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
778 inmode after checking GET_CODE (op).
780 2001-01-16 Richard Henderson <rth@redhat.com>
782 * flow.c (struct propagate_block_info): Add mem_set_list_len.
783 (MAX_MEM_SET_LIST_LEN): New.
784 (propagate_one_insn): Update mem_set_list_len.
785 (invalidate_mems_from_autoinc): Likewise.
786 (invalidate_mems_from_set): Likewise.
787 (mark_used_regs): Likewise.
788 (init_propagate_block_info): Likewise. Stop collecting memories
789 when we reach MAX_MEM_SET_LIST_LEN.
790 (mark_set_1): Likewise.
792 2001-01-16 Richard Henderson <rth@redhat.com>
794 * unroll.c (precondition_loop_p): Fail if no iteration
797 2001-01-16 Phil Edwards <pme@sources.redhat.com>
799 * gcc.c: When -fsyntax-only is given, do not complain about
802 2001-01-15 Richard Henderson <rth@redhat.com>
804 * config/i386/i386.c (asm_output_function_prefix): Remove.
805 (ix86_asm_file_end): New.
806 (load_pic_register): Generate pic_label_name into a
807 staticly allocated buffer.
808 * config/i386/i386-protos.h: Update.
809 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
811 * config/i386/i386afe.h: New file.
812 * config.gcc (i?86-*-elf) [tm_file]: Use it.
813 (i?86-*-{freebsd,linux*,moss*}): Likewise.
814 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
815 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
816 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
817 * config/i386/sco5.h (ASM_FILE_END): Likewise.
818 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
820 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
822 * Makefile.in (install-man): Remove explicit dependency on
825 * configure.in, configure: Revert previous patch requiring perl
828 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
830 * toplev.c (flag_guess_branch_prob): New.
831 (f_options): Add guess-branch-probability option.
832 (rest_of_decl_compilation): Only estimate branch probability if
834 (main): set flag_guess_branch_prob.
836 * flags.h (flag_guess_branch_prob): New.
838 2001-01-15 DJ Delorie <dj@redhat.com>
840 * gcc.texi (Makefile): Add documentation for Makefile targets.
842 2001-01-15 Philip Blundell <philb@gnu.org>
844 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
846 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
847 (is_pic): Delete declaration.
848 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
849 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
850 * config/arm/arm.md (builtin_setjmp_receiver): New.
852 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
854 * arm.c (use_return_insn): Don't try to determine the function type
855 until after reload has completed.
856 (arm_output_epilogue): Don't adjust the sp value recovered from the
858 (emit_multi_reg_push): Don't record dwarf information for the pc.
859 * arm.md (eh_epilogue): The function type may have changed, so it
860 needs to be recalculated.
861 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
862 unwind tables on arm/netbsd.
864 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
866 * arm.md (cbranchsi4): Correct calculation of branch ranges.
867 (negated_cbranchsi4): Likewise.
869 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
871 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
872 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
873 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
874 pass -mapcs-* options to assembler.
875 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
876 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
877 (ASM_SPEC): Call subtarget_extra_asm_spec.
879 2001-01-15 Andreas Jaeger <aj@suse.de>
881 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
883 (ix86_expand_builtin): Likewise.
885 * gencodes.c (output_predicate_decls): Make i size_t to avoid
886 warning about comparison between signed and unsigned.
888 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
890 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
892 2001-01-14 Ralf Baechle <ralf@gnu.org>
894 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
895 SUBTARGET_CPP_SPEC apropriatly.
897 2001-01-12 Mark Mitchell <mark@codesourcery.com>
899 * varasm.c (make_decl_rtl): Fix typo in last change.
901 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
903 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
904 linker supports the init_priority C++ attribute.
905 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
906 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
907 linker does not support init_priority C++ attribute.
909 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
911 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
913 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
915 * c-parse.in (finish_parse): Add comment about cpp_destroy.
916 * cp/lex.c (finish_parse): Similarly.
917 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
918 Return the number of errors encountered.
919 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
920 * cppmain.c (main): Don't call cpp_destroy.
922 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
924 * configure.in: Require at least perl 5.6.0 to regenerate
926 * configure: Regenerate.
928 2001-01-14 Richard Henderson <rth@redhat.com>
930 * genrecog.c (DT_veclen_ge): New.
931 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
932 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
933 (nodes_identical_1): Handle DT_veclen_ge.
934 (write_cond, debug_decision_2): Likewise.
936 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
938 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
940 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
942 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
944 * cppmain.c (do_preprocessing): New function; most of the old
946 (main): Call it to do most of the work.
947 (cb): Move from global scope to set_callbacks ().
948 (setup_callbacks): Get the callback pointer.
949 (general_init, printer_init): Clean up code and comments.
951 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
953 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
956 2001-01-14 Kazu Hirata <kazu@hxi.com>
958 * config/h8300/h8300.c (get_shift_alg): Update comments.
960 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
962 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
963 (alloc_page, ggc_alloc): Add casts to remove warnings.
965 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
967 * combine.c (simplify_comparison): Don't change `code' when
968 can't reverse comparison.
970 2001-01-14 Richard Henderson <rth@redhat.com>
972 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
973 update all call sites. Return true for all non-label constants.
975 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
977 * i386.c (ix86_expand_compare): Add bypass_test and second_test
979 (ix86_expand_branch): Update.
980 (ix86_expand_setcc): Update to handle multiple test conditions.
981 (expand_int_movcc): Likewise.
982 (expand_fp_movcc): Likewise.
983 * i386-protos.h (ix86_expand_compare): New.
984 * i386.md (andqi_?_slp, orqi_?_slp): New.
985 (conditional trap expander): Update call to ix86_expand_compare.
987 2001-01-14 Richard Henderson <rth@redhat.com>
989 * config/vax/vax.md: Use nonimmediate_operand instead of
990 general_operand in destinations.
992 * config/vax/vax.md (indirect_jump): Use register_operand.
994 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
995 * config/vax/vax.md (call_pop): Turn into an expander.
996 (call_value_pop): Likewise.
997 (call, call_value): New.
999 2001-01-14 Andreas Jaeger <aj@suse.de>
1001 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
1003 (ix86_fp_compare_mode): Add unused attribute.
1004 (ix86_expand_fp_movcc): Remove unused variable.
1005 (ix86_expand_builtin): Make fcode unsigned.
1007 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
1008 (expand_expr): Add cast to avoid signed warning.
1009 (store_field): Likewise.
1010 (store_constructor_field): Likewise.
1011 (store_constructor): Likewise.
1012 (store_expr): Likewise.
1013 (clear_storage): Likewise.
1014 (emit_group_store): Likewise.
1015 (emit_group_load): Likewise.
1017 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1019 * c-common.c: Move format checking code to ...
1020 * c-format.c: ... here. New file. Reorder some functions and
1022 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
1024 * c-common.h (decl_handle_format_attribute,
1025 decl_handle_format_arg_attribute): Declare.
1026 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
1027 (c-common.o): Adjust dependencies.
1028 (c-format.o): New list of dependencies.
1030 2001-01-13 Jakub Jelinek <jakub@redhat.com>
1032 * unroll.c (loop_iterations): If we cannot prove iteration variable
1033 is set once in each iteration, punt.
1035 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
1037 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
1038 (*strlenhi): Remove clobber (which was buggy) of output address.
1040 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1042 * Makefile.in (generated-manpages): Add gcc.1
1043 ($(srcdir)/gcc.1): New target.
1044 (maintainer-clean): Delete $(srcdir)/gcc.1.
1045 * gcc.texi: Add macros @gccoptlist and @gol.
1046 * invoke.texi: Include option summary in manpage. Mark up option
1047 summary with @gccoptlist and @gol. Use @r in one place where
1049 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
1050 * gcc.1: Generate from invoke.texi.
1052 2001-01-13 Richard Henderson <rth@redhat.com>
1054 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
1055 (struct page_entry): Add group member.
1056 (struct page_group): New.
1057 (struct globals): Add page_groups member.
1058 (alloc_anon): Only define for using mmap; remove valloc call.
1059 (page_group_index): New.
1060 (set_page_group_in_use): New.
1061 (clear_page_group_in_use): New.
1062 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
1063 (free_page, release_pages): Likewise.
1064 * configure.in (with-gc): Default to ggc-page always.
1066 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1068 * reload1.c (replace_pseudos_in_call_usage): Use
1069 reg_equiv_constant and reg_equiv_address, and don't try
1070 regno_reg_rtx first.
1072 2001-01-13 Richard Henderson <rth@redhat.com>
1074 * ggc-page.c (alloc_page): Round up allocation size to one page.
1075 Set e->order on extra pages.
1077 2001-01-13 Richard Henderson <rth@redhat.com>
1079 * genrecog.c (nodes_identical): Expand commentary.
1080 (write_switch): Watch out for identical nodes.
1082 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1084 * cppfiles.c (_cpp_fake_include): New function.
1085 * cpphash.h (_cpp_fake_include): New.
1086 * cpplib.c (do_line): Call _cpp_fake_include when entering
1087 header files in preprocessed input.
1088 * cppmain.c (cb_pragma_implementation): Remove handling.
1089 (setup_callbacks): Don't register pragmas.
1091 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1093 * extend.texi: Udate for CPP.
1095 2001-01-13 Andreas Jaeger <aj@suse.de>
1097 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
1099 * regmove.c: Add prototype for replace_in_call_usage.
1101 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1103 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
1104 struct cpp_chunk, struct htab, struct toklist,
1105 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
1106 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
1107 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
1108 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
1109 (struct macro_args): Delete.
1110 * cpphash.h: See above.
1112 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1114 * cppmain.c (struct printer): Remove no_line_dirs.
1116 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
1117 : Use options rather than CPP_OPTION.
1118 (setup_callbacks): Use cb rather than pfile->cb.
1119 (main): No need to check for a buffer. Use cpp_errors.
1120 (printer_init): Don't set no_line_dirs.
1121 (maybe_print_line): Use options not no_line_dirs.
1122 (cb_file_change): Don't call print_line if -P.
1124 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1126 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
1128 * c-parse.in (finish_parse): Use cpp_errors.
1129 (__yylex): Use return value of cpp_pop_buffer.
1130 * cp/lex.c (finish_parse): Use cpp_errors.
1131 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
1133 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
1135 * README.AVR: URLs corrected.
1137 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1139 * c-decl.c (start_function): Don't warn if old prototype is builtin
1140 that's not in C's namespace.
1141 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
1142 (_bb): Add prototype for ctime.
1143 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
1145 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
1147 * i386.c (ix86_fp_comparison_arithmetics_cost,
1148 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
1149 ix86_fp_comparison_cost): New functions.
1150 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
1151 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
1152 two-branch sequences; make static.
1153 (ix86_use_fcomi_compare): Do decision according to the costs.
1154 (split_fp_branch): New.
1155 * i386.md (compare-and-branch patterns): Use split_fp_branch.
1156 * i386-protos.h (ix86_expand_fp_compare): Remove
1157 (ix86_split_fp_branch): Declare.
1159 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
1160 and ix86_comparison_operator.
1162 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
1165 * i386.c (put_condition_code): Output properly the unordered/ordered
1166 compares in fp case.
1167 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1169 * tm.texi (REVERSE_CONDITION): Document.
1170 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1171 in -ffast-math mode.
1172 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1174 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1176 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1178 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1181 * config/sh/sh.c (mova_p): Fix test for mova_const.
1183 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1185 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1186 cpp_get_options rather than dereferencing pfile and using
1188 * scan-decls.c (scan_decls): Use return value of
1189 cpp_pop_buffer rather than CPP_BUFFER.
1191 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1193 * cppinit.c (cpp_handle_option): help_only is now part of the
1194 cpp_options structure.
1195 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1196 cpp_set_callbacks): New functions.
1197 * cpplib.h (cpp_callbacks): Break out as a named structure.
1198 (cpp_options): Move help_only here from cpp_reader.
1199 (CPP_FATAL_ERRORS): Update to use cpp_errors.
1200 (cpp_errors, cpp_get_options, cpp_get_callbacks,
1201 cpp_set_callbacks): New prototypes.
1202 * cppmain.c (main): Update for help_only.
1204 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1206 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1207 Also build and remove and install and uninstall c-tree.info and
1209 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1210 ($(srcdir)/cppinternals.info): New target.
1211 * c-tree.texi: Change file name used when makeinfo used without -o
1212 from ir.info to c-tree.info. Add info directory entry.
1213 * cppinternals.texi: Add info directory entry.
1214 * .cvsignore: Update.
1216 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1218 * c-typeck.c (store_init_value): Don't require constant initializer
1219 elements with -pedantic -std=c99.
1220 (digest_init): Change error about non-constant initializer elements
1222 (constructor_range_end): Remove.
1223 (constructor_incremental, designator_depth,
1224 designator_errorneous): New variables.
1225 (struct constructor_stack): Remove range_end, add incremental.
1226 (struct constructor_range_stack, constructor_range_stack): New.
1227 (struct initializer_stack): Add constructor_range_stack.
1228 (finish_init): Set it.
1229 (start_init): Likewise. require_constant_elements for non-static
1230 trees only if not flag_isoc99.
1231 (really_start_incremental_init): Remove constructor_range_end, add
1232 constructor_incremental.
1233 (pop_init_level): Likewise.
1234 (push_init_level): Likewise. If implicit and the subobject had some
1235 value set already, preinitialize the level with it.
1236 Warn about missing braces only if not pushing due to designators.
1237 (set_designator, push_range_stack): New functions.
1238 (set_init_label): Use them.
1239 (set_init_index): Likewise. Remove constructor_range_end.
1240 Error if designator index is outside of array bounds.
1241 (add_pending_init): Compare values of purpose index trees, not the
1242 trees themselves. Allow overwriting of already initialized element.
1243 Issue a warning if it had side-effects.
1244 (set_nonincremental_init, set_nonincremental_init_from_string): New
1246 (pending_init_member): Rename to...
1247 (find_init_member): ...this function. Call set_nonincremental_init
1248 if necessary. Compare values of purpose index trees, not the trees
1249 themselves. Return the actual value, not just non-zero if something
1251 (output_init_element): Remove checks for duplicates.
1252 If field has zero size, only check the initializer for correctness.
1253 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1254 if constructor_incremental is zero. Change error about initializers
1255 not computable at load time into pedwarn.
1256 (output_pending_init_elements): Compare bit positions, not
1257 FIELD_DECLs to take into account zero-sized fields.
1258 (process_init_element): Use constructor_range_stack to fill all
1259 ranges in the designator lists from current level up.
1260 * extend.texi: Update documentation for labeled elements.
1262 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1264 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1265 to function usage for arguments passed by reference. Optimize
1266 callee-copied arguments.
1267 * regmove.c (replace_in_call_usage): New function.
1268 (fixup_match_1): Call it.
1269 * cse.c (cse_insn): Canonicalize registers in function usage.
1270 * reload1.c (replace_pseudos_in_call_usage): New function.
1273 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1276 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1278 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1281 2001-01-12 DJ Delorie <dj@redhat.com>
1283 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1284 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1287 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1289 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1290 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1291 -std options alongside references to -ansi. Update some
1292 documentation for C99.
1293 * cpp.1: Regenerate.
1295 2001-01-12 Andreas Jaeger <aj@suse.de>
1297 * haifa-sched.c (restore_line_notes): Remove argument block B
1299 * sched-ebb.c (schedule_ebb): Change caller.
1300 * sched-rgn.c (schedule_region): Likewise.
1301 * sched-int.h (restore_line_notes): Adjust prototype.
1303 * loop.h: Remove wrong declaration of doloop_condition_get.
1305 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1307 * extend.texi: Move C++-extension-related node from the C section
1308 into the C++ section.
1310 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1312 * extend.texi: Refer to an array of pointers to functions instead
1313 of one of functions.
1315 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1316 Jan Hubicka <jh@suse.cz>
1318 * combine.c (reversed_comparison): Fix typo in last patch.
1320 (combine_reversed_comparison_code): Make static to follow
1321 prototype declaration.
1323 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1325 * install.texi: Remove misplaced duplicate entry.
1327 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1329 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1331 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1333 * final.c: (leaf_function_p): Fix typo.
1335 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1337 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1338 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1340 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1341 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1342 mmap_anon, and valloc is available.
1343 * ggc-page.c: Restructure ifdef logic to match new autoconf
1344 spec. Don't throw away the test page in init_ggc.
1346 * configure, config.in: Regenerate.
1348 2001-01-12 Michael Hayes <mhayes@redhat.com>
1350 * loop.h (total_biv_increment): Constify iv_class pointer.
1351 (struct induction): Replace `mem_mode' with `mem' rtx.
1352 * unroll.c (total_biv_increment): Constify iv_class pointer.
1353 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1354 (find_mem_givs, combine_givs_p): Likewise.
1355 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1357 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1359 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1361 (__gthread_getspecific): Ditto.
1363 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1365 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1366 put_condition_code): Convert fp comparison codes to integer
1368 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1371 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1372 * i386-protos.h (no_comparison_operator): Kill.
1374 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1376 * combine.c (REVERSIBLE_CC_MODE): Remove.
1377 (reversible_comparison_p): Remove.
1378 (combine_reversed_comparison_code): New.
1379 (reversed_comparison): New.
1380 (combine_simplify_rtx): Use
1381 combine_reversed_comparison_code/reversed_comparison instead
1382 of reversible_comparison_p.
1383 (simplify_if_then_else): Likewise.
1384 (simplify_set): Likewise.
1385 (simplify_logical): Likewise.
1386 (if_then_else_cond): Likewise.
1387 (known_cond): Likewise.
1388 (simplify_comparison): Likewise.
1390 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1392 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1393 sizeof (int) is larger than sizeof(__word__).
1395 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1397 * cppinit.c (do_includes): Fix typo.
1399 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1401 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1402 in S_REGS does not occur because not all sources are possible
1403 when a S_REGS is a destination (sometimes needs a clobber).
1404 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1405 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1406 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1407 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1408 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1409 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1410 (lshrdi_const1, lshrsi3_const16): Likewise.
1411 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1412 (*movhi_68hc12, *movqi_68hc12): Likewise.
1413 (movstrictqi): Make sure reloading in D_REGS as a destination
1416 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1418 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1420 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1422 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1423 -D, -U and -A, and don't initialize the builtins.
1424 (do_includes): Error if -include or -imacros with -fpreprocessed.
1425 * cppmain.c (cb_define, cb_undef): Unconditionally process
1427 * tradcpp.c (main): Fix typo.
1429 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1431 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1432 (read_name_map): Use IS_ABSOLUTE_PATH.
1433 * tradcpp.c (get_filename): Likewise.
1435 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1437 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1438 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1439 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1440 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1441 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1442 (cmphi_z_used): Don't use '@' for the output.
1443 (tstqi_z_used): Likewise.
1444 (cmpqi_z_used): Likewise.
1445 (one_cmplsi2): Likewise.
1447 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1449 * config/sh/sh.c (barrier_align): Recognize branch around far
1450 branch and redundant insn.
1452 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1454 * invoke.texi: Restore documentation of the drivers' switches -MD
1457 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1459 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1461 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1462 check-objc//%): Support parallel testing of multilibs.
1463 (TESTSUITEDIR): Set to testsuite by default, but override for
1465 (check-gcc, check-g++, check-g77, check-objc): Enter
1468 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1470 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1471 * sched-deps.c (deps_may_trap_p): Likewise.
1472 * basic-block.h: Remove a comment.
1473 * flow.c (PROP_POSTRELOAD): Remove.
1474 (update_life_info): Don't add it to prop_flags.
1475 (mark_set_1): Lose the code that was enabled by it.
1477 2001-01-11 Michael Hayes <mhayes@redhat.com>
1479 * flow.c (flow_call_edges_add): New.
1480 * basic_block.h (flow_call_edges_add): New.
1482 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1484 * reload1.c (move2add_note_store): Update reg_set_luid even if
1485 base reg remains the same.
1487 2001-01-10 Nick Clifton <nickc@redhat.com>
1489 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1490 machine_function structure to zero.
1491 Add prototypes for machine_status functions.
1493 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1495 * c-common.h (CTI_VOID_LIST): Remove.
1496 (void_list_node): Likewise.
1497 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1498 (void_list_node): New macro.
1499 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1500 * config/i386/i386.c (ix86_init_builtins): Likewise.
1501 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1503 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1505 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1506 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1508 * tradcpp.c: Include mkdeps.h.
1509 (deps, print_deps_phony_targets, deps_append, output_deps,
1510 init_dependency_output, output_deps): New.
1511 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1512 deps_output): Delete.
1513 (print_deps_missing_files): Rename deps_missing_files.
1514 (inhibit_output): Make global.
1515 (main): Delete inhibit_output, deps_stream, deps_target.
1516 Use mkdeps functionality in the same way as cpplib. Remove
1517 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1518 -M and -MM. Remove old handling of deps via deps_out, and
1519 old reading of environment variables.
1520 (get_filename): Update to use deps_add_dep.
1522 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1524 * output.h (make_function_rtl): Remove prototype.
1525 (make_decl_rtl): Likewise.
1526 * varasm.c (make_function_rtl): Remove.
1527 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1528 than from a third parameter.
1529 * tree.h (make_decl_rtl): Remove last parameter.
1530 * c-decl.c (builtin_function): Remove last argument in call to
1531 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1532 (start_function): Likewise.
1533 * except.c (call_get_eh_context): Likewise.
1534 * expr.c (emit_block_move): Likewise.
1535 (clear_storage): Likewise.
1536 * profile.c (output_func_start_profiler): Likewise.
1537 * toplev.c (rest_of_decl_compilation): Likewise.
1538 * objc/objc-act.c (create_builtin_decl): Likewise.
1539 (synth_module_prologue): Likewise.
1540 (generate_static_reference): Likewise.
1541 (build_selector_reference_decl): Likewise.
1542 (build_class_reference_decl): Likewise.
1543 (build_objc_string_decl): Likewise.
1544 (build_protocol_reference): Likewise.
1546 2001-01-10 Richard Henderson <rth@redhat.com>
1548 * hwint.h: Revert yesterday's change.
1550 2001-01-10 Nick Clifton <nickc@redhat.com>
1552 * function.h (save_machine_status): Delete.
1553 (restore_machine_status): Delete.
1554 Amend comment describing {init|mark|free}_machine_status.
1556 * function.c (save_machine_status): Delete.
1557 (restore_machine_status): Delete.
1558 Amend comment describing {init|mark|free}_machine_status.
1559 (push_function_context_to): Remove invocation of
1560 save_machine_status.
1561 (pop_function_context_from): Remove invocation of
1562 restore_machine_status.
1564 * emit-rtl.c (init_emit_once): Amend comment describing
1565 {init|mark|free}_machine_status.
1567 * tm.texi (Per-Function Data): New node. Describe the
1568 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1571 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1573 * cppinit.c (OPT_g): Remove.
1574 (cpp_handle_option): Update for removed -g3.
1575 (print_help): Update.
1576 * cpplib.h (struct cpp_options): Remove debug_output.
1577 * cppmain.c (setup_callbacks, cb_define): Update.
1578 * gcc.c (cpp_options): Translate -g3 to -dD.
1580 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1582 * config/i960/i960.md: Change modifier to + on the zero_extract
1583 pattern after the (rotate -2 reg) canonicalization pattern.
1585 2001-01-10 Richard Henderson <rth@redhat.com>
1587 * config/alpha/alpha.c (alpha_free_machine_status): New.
1588 (override_options): Install it.
1589 (alpha_mark_machine_status): Verify machine non-null.
1590 * config/i386/i386.c (ix86_free_machine_status): New.
1591 (override_options): Install it.
1592 (ix86_init_machine_status): Use xcalloc.
1593 (ix86_mark_machine_status): Verify machine non-null.
1594 * config/ia64/ia64.c (ia64_free_machine_status): New.
1595 (ia64_override_options): Install it.
1596 (ia64_mark_machine_status): Verify machine non-null.
1598 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1600 * function.c (instantiate_virtual_regs): Instantiate virtual
1601 registers found in CALL_INSN_FUNCTION_USAGE.
1603 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1605 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1606 equivalent to -ansi in disabling -Di386.
1608 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1610 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1612 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1614 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1616 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1618 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1620 * invoke.texi: Document that -fcond-mismatch isn't supported for
1623 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1625 * gcc.texi: Define macro gcctabopt.
1626 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1627 @command, @env and @option in some places where appropriate. Use
1628 @gcctabopt where appropriate. Put URLs and email addresses inside
1631 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1633 * gcc.c (cpp_options): Set MD file name from output
1634 filename, if specified.
1635 (suffix_subst): New static variable.
1636 (do_spec): Clear it.
1637 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1639 (give_switch): Handle suffix_subst.
1641 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1643 * invoke.texi: Fix another typo.
1645 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1647 * invoke.texi: Fix typo.
1649 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1651 * c-lang.c (lang_hooks): Update.
1652 (lang_decode_option): Remove.
1653 (lang_init_options): Rename c_init_options.
1654 * toplev.c (main): Use lang_hooks for lang_init_options
1655 and lang_decode_option.
1656 * toplev.h (lang_hooks): Add 2 new hooks.
1657 * tree.h: Remove lang_init_options and lang_decode_option.
1658 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1659 * cp/decl2.c: Similarly.
1660 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1661 (lang_hooks): Update.
1662 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1664 (lang_init_options): Rename ffe_init_options.
1665 (lang_hooks): Update.
1666 (lang_decode_option): Remove.
1667 * java/lang.c (lang_init_options): Rename java_init_options.
1668 (lang_decode_option): Rename java_decode_option.
1669 (lang_hooks): Update.
1670 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1671 (lang_decode_option): Rename objc_decode_option.
1672 (lang_hooks): Update.
1674 2001-01-09 Nick Clifton <nickc@redhat.com>
1676 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1677 (d30v_return_addr_rtx): Delete.
1678 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1679 cfun->machine structure.
1680 (struct machine_function): Move to d30v.h
1681 (d30v_save_machine_status): Delete.
1682 (d30v_restore_machine_status): Delete.
1683 (d30v_init_machine_status): New Function.
1684 (d30v_mark_machine_status): New Function.
1685 (d30v_free_machine_status): New Function.
1686 (d30v_init_expanders): Use new functions.
1687 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1688 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1689 d30v_return_addr_rtx.
1691 * config/d30v/d30v.h (struct_machine): Move here.
1692 Add eh_epilogue_sp_ofs field.
1694 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1695 field in cfun->machine structure.
1697 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1699 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1700 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1701 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1703 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1705 * objc/lang-options.h: Remove bogus reference to
1708 2001-01-09 Kazu Hirata <kazu@hxi.com>
1710 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1713 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1715 * reload.c (find_reloads_address): Check for eliminable registers
1716 when substituting a constant expression for a pseudo.
1718 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1720 * c-common.c (enum format_type): Add format_type_error.
1721 (decode_format_type): New function.
1722 (decl_attributes): Use it.
1723 (format_kind_info): Adjust comment.
1725 2001-01-09 David O'Brien <obrien@BSDi.com>
1727 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1728 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1730 * config/i386/gnu.h: Don't include required platform specific .h files,
1731 tm.h will do it instead.
1732 * config/i386/i386elf.h: Likewise.
1733 * config/i386/linux.h: Likewise.
1734 * config/i386/moss.h: Likewise.
1735 * config/mips/gnu.h: Likewise.
1737 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1739 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1740 (rs6000-ibm-aix3.[01]*): Likewise.
1741 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1742 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1743 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1744 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1745 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1746 (powerpc-*-eabiaix*): Likewise.
1747 (powerpc-*-eabisim*): Likewise.
1748 (powerpc-*-elf*): Likewise.
1749 (powerpc-*-eabi*): Likewise.
1750 (powerpc-*-rtems*): Likewise.
1751 (powerpc-*-linux*libc1): Likewise.
1752 (powerpc-*-linux*): Likewise.
1753 (powerpc-wrs-vxworks*): Likewise.
1754 (powerpcle-wrs-vxworks*): Likewise.
1755 (powerpcle-*-sysv*): Likewise.
1756 (powerpcle-*-elf*): Likewise.
1757 (powerpcle-*-eabisim*): Likewise.
1758 (powerpcle-*-eabi*): Likewise.
1759 (powerpcle-*-solaris2*): Likewise.
1760 * config/rs6000/aix31.h: Delete includes.
1761 * config/rs6000/aix3newas.h: Likewise.
1762 * config/rs6000/aix41.h: Likewise.
1763 * config/rs6000/aix43.h: Likewise.
1764 * config/rs6000/beos.h: Likewise.
1765 * config/rs6000/rtems.h: Likewise.
1766 * config/rs6000/sysv4.h: Likewise.
1768 2001-01-09 Kazu Hirata <kazu@hxi.com>
1770 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1771 Change an argument mode of machine_mode to shift_mode of
1772 shift_mode. Remove an extra error check.
1773 (emit_a_shift): Adopt to the new calling prototype of
1775 (function_prologue): Fix code for a monitor
1776 function. Support H8/S.
1777 (function_epilogue): Do not output pop for a monitor function.
1779 2001-01-09 Nick Clifton <nickc@redhat.com>
1781 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1782 (setup_incoming_varargs): Use sysv_varargs_p field of the
1783 cfun->machine structure.
1784 (struct machine_function): Move to rs6000.h
1785 (rs6000_save_machine_status): Delete.
1786 (rs6000_restore_machine_status): Delete.
1787 (rs6000_init_machine_status): New Function.
1788 (rs6000_free_machine_status): New Function.
1789 (rs6000_init_expanders): Use new functions.
1791 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1793 (struct machine_function): Move here.
1795 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1796 sysv_varargs_p field of the cfun->machine structure.
1798 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1800 (rs6000_restore_machine_status): Remove prototype.
1802 2001-01-09 Richard Henderson <rth@redhat.com>
1804 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1805 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1806 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1807 (sched_analyze_2, sched_analyze_insn): Likewise.
1808 (sched_analyze, init_deps): Likewise.
1809 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1810 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1811 (compute_block_backward_dependences): Update propagate_deps call.
1813 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1815 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1817 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1819 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1820 (cpp_handle_option): Handle them.
1821 (cpp_post_options): Ensure one of -M or -MM is specified with
1822 any other -M? option.
1823 (init_dependency_output): Suppress output with -MG.
1825 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1828 * invoke.texi: Update.
1830 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1832 * sh.md (reload_outsf): Generate recognizable patterns for
1835 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1837 * c-lang.c (lang_hooks): Update.
1838 (lang_init): Rename c_init.
1839 (lang_finish): Remove.
1840 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1842 * toplev.h (lang_hooks): Add init () and finish ().
1843 * tree.h (lang_init, lang_finish): Remove.
1844 * cp/tree.h (lang_init, lang_finish): Remove.
1845 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1846 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1848 (lang_init, lang_finish): Remove.
1849 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1850 (lang_hooks): Update.
1851 * java/lang.c (lang_init): Rename java_init.
1852 (lang_finish): Remove.
1853 (lang_hooks): Update.
1854 * objc/objc-act.c (lang_init): Rename objc_init.
1855 (lang_finish): Remove.
1856 (lang_hoooks): Update.
1858 20001-01-09 Graham Stott <grahams@redhat.com>
1860 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1861 after `ptr` is initialised.
1863 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1865 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1866 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1867 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1868 stack adjusts, instead of r3.
1870 2001-01-09 Michael Hayes <mhayes@redhat.com>
1872 * flow.c (flow_loop_scan): Break out of ...
1873 (flow_loops_find) ... here.
1874 * basic-block.h (flow_loop_scan): New.
1875 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1876 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1878 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1880 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1882 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1883 realloc()ing macro_buffer.
1885 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1886 if it's wider than long and the target's long is wider than the
1889 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1891 Remove support for using UWIN as a host machine.
1892 * configure.in: Issue an error message.
1893 * configure: Regenerated.
1894 * config.gcc: Remove xm_* UWIN configury.
1895 * config/i386/xm-uwin.h: Remove.
1897 2001-01-08 Nick Clifton <nickc@redhat.com>
1899 * config/v850/v850.c (ra_rtx): Delete.
1900 (v850_save_machine_status): Delete.
1901 (v850_restore_machine_status): Delete.
1902 (v850_init_machine_status): New function.
1903 (v850_mark_machine_status): New function.
1904 (v850_free_machine_status): New function.
1905 (v850_return_addr): Use ra_rtx field in machine structure.
1906 (v850_init_expanders): Use new functions.
1908 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1909 * config/v850/v850.c: Change arguments to v850_output+* functions
1910 to take a const char *, to avoid compile time warning.
1911 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1912 (USER_LABEL_PREFIX): Redefine.
1914 2000-01-08 Jim Wilson <wilson@redhat.com>
1916 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1917 1 to unsigned HOST_WIDE_INT before left shift.
1919 2001-01-08 Nick Clifton <nickc@redhat.com>
1921 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1922 the machine structure has been allocated.
1923 (arm_free_machine_status): New function: Free the machine
1924 specific function structure.
1926 2001-01-08 Richard Henderson <rth@redhat.com>
1928 * jump.c (simplejump_p): Revert last change.
1930 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1932 * cppinit.c (init): Rename init_library.
1933 (cpp_create_reader): Update.
1934 * gcc.c (cpp_options): If -o given, use it as the target of
1937 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1939 * arm.c (arm_arch5e): New variable.
1940 (all_cores): XScale is a 5TE device.
1941 (arm_override_options): Set arm_arch5e.
1942 (arm_init_builtins): __builtin_prefetch is in arch5e.
1943 * arm.h (arm_arch5e): Declare it.
1945 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1947 * arm.md (define_constants): Add defines for UNSPEC and
1948 UNSPEC_VOLATILE insns. Update all users.
1949 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1950 * arm.c (multi_register_push, note_invalid_constants)
1951 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1952 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1953 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1955 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1957 * jump.c (jump_optimize_1): Use reversed_comparison_code
1958 instead of can_reverse_comparison_p.
1959 (jump_back_p): Likewise.
1960 (invert_exp_1): Likewise.
1961 (thread_jumps): Likewise.
1962 * simplify-rtx.c (simplify_unary_operation): Likewise.
1963 (simplify_ternary_operation): Likewise.
1964 * cse.c (find_comparison_args): Convert to use
1965 can_reverse_comparison_p.
1966 (record_jump_equiv): Likewise.
1968 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1970 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1971 (EPILOGUE_USES): Define.
1972 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1973 automatically stack the LR if it isn't live.
1975 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1977 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1980 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1982 * ggc-page.c (max_alignment): New structure.
1983 (MAX_ALIGNMENT): New macro.
1984 (init_ggc): Use it to round up the sizes in the
1985 extra_order_size_table.
1987 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1989 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1992 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1994 * builtins.def (BUILT_IN_FPRINTF): New entry.
1996 * c-common.c (c_expand_builtin_fprintf): New function.
1997 (init_function_format_info): Handle __builtin_fprintf.
1998 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1999 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
2001 * c-decl.c (duplicate_decls): Adjust comment.
2003 * extend.texi (fprintf): Document new builtin.
2005 2001-01-07 Richard Henderson <rth@redhat.com>
2007 * jump.c (simplejump_p): Recognize any single_set jump
2010 2001-01-07 Richard Henderson <rth@redhat.com>
2012 * configure.in (slibdir): Accept an --with-slibdir option.
2013 Use "test" not "[" in configure. Default to $(libdir).
2015 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
2017 * config/t-aix43 (SHLIB_INSTALL): Likewise.
2018 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
2019 (SHLIB_LINK): Create links for the soname.
2020 * config/mips/t-iris6: Likewise.
2021 * config/sparc/t-slibgcc: Likewise.
2022 * config/sparc/t-slibgcc-sld: Likewise.
2024 2001-01-07 Jakub Jelinek <jakub@redhat.com>
2026 * config/i386/i386.c (constant_call_address_operand): Accept
2027 (const (plus (symbol_ref) (const_int))).
2028 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
2029 constant_call_address_operand.
2031 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2033 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
2034 and LONG_LONG_TYPE_SIZE > 32.
2036 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2038 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
2039 the previous change.
2041 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
2043 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
2045 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
2046 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
2047 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
2050 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2052 * fix-header.c (read_scan_file): s/pfile/scan_in/.
2054 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2056 * c-lang.c (c_post_options): Call cpp_post_options.
2057 * objc/objc-act.c (objc_post_options): Similarly.
2058 * cppmain.c (main): Similarly.
2059 * fix-header.c (read_scan_file): Similarly.
2060 * cppinit.c (cpp_start_read): Move option consistency checks
2061 to cpp_post_options. Don't call init_dependency_output.
2062 If needed, add default target and main file dependency.
2063 (OPT_MD, OPT_MMD): Remove.
2065 (cpp_handle_option): Update for OPT_* changes.
2066 (cpp_post_options): New.
2067 (init_dependency_output): Command line -MF overrides environment
2068 variables. Don't set default target etc. Suppress output
2069 if dependencies are going to stdout.
2070 (print_help): Update.
2071 * cpplib.h (cpp_post_options): New.
2072 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
2074 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
2076 * jump.c (comparison_dominates_p): Support unordered compares.
2078 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
2080 * simplify-rtx.c (simplify_relational_operation): Always simplify
2081 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
2084 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
2086 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
2087 (nonzero_bits): Likewise.
2088 (simplify_comparison): Likewise.
2089 (num_sign_bit_copies): Likewise; return more sane value depending
2090 on STORE_FLAG_VALUE.
2091 (known_cond): Do not assume EQ to be always true for equivalent
2094 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
2096 * cse.c (fold_rtx): Handle unordered comparisons.
2098 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
2100 * rtlanal.c (set_of_1): New static function.
2101 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
2102 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
2103 reg_set_last_last_regno): Remove.
2104 (set_of): New global function.
2105 (set_of_data): New structure.
2106 (reg_set_p, reg_set_last): Revamp for set_of.
2107 * rtl.h (set_of): New.
2109 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
2111 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
2112 * extend.texi: Document _Exit builtin.
2114 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2116 * (initialize, initialize_builtins,
2117 initialize_dependency_output, initialize_standard_includes):
2118 Rename s/initialize/init. Update.
2119 (init_dependency_output): Move to after
2120 cpp_handle_options, the correct location temporally at least.
2121 (opt_comp): Move next to init (), its caller. Fix prototype.
2122 (init): Make "initialized" local scope.
2123 (cpp_create_reader): Always call init ().
2124 (cpp_start_read): Update.
2125 (output_deps): New function, broken out of cpp_finish.
2126 (cpp_finish): Break out output_deps.
2128 2001-01-07 Richard Henderson <rth@redhat.com>
2130 * collect2.c (COFF specific stuff): Revert 12-06 patch
2131 to prototype system functions.
2133 2001-01-07 Michael Hayes <mhayes@redhat.com>
2135 * hard-reg-set.h: Add multiple include guard.
2136 * basic-block.h (struct loop): Add `sink' field.
2137 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
2138 (emit_iv_add_mult): Delete.
2139 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
2140 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
2141 (unroll_loop): Remove end_insert_before argument.
2142 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
2143 (maybe_eliminate_biv_1): Likewise.
2144 (emit_iv_add_mult): Delete.
2145 (gen_add_mult, loop_regs_update): New.
2146 (loop_insn_emit_after, loop_insn_emit_before): New.
2147 (loop_insn_sink, loop_insn_sink_or_swim): New.
2148 (emit_iv_add_mult): Delete.
2149 (scan_loop): Set loop->sink.
2150 (loop_givs_reduce): Use loop_insn_sink and its ilk.
2151 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
2152 (maybe_eliminate_biv_1): Likewise.
2153 (maybe_eliminate_biv_1): Add basic block argument.
2154 * unroll.c (unroll_loop): Remove end_insert_before argument.
2155 (find_splittable_regs): Likewise.
2156 (find_splittable_regs): Use loop_insn_sink and its ilk.
2157 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2159 2001-01-07 Michael Hayes <mhayes@redhat.com>
2161 * loop.h (loop_insn_hoist): New prototype.
2162 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
2163 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
2164 (check_dbra_loop, load_mems): Likewise.
2165 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
2166 (find_splittable_givs): Likewise.
2168 2001-01-07 Michael Hayes <mhayes@redhat.com>
2170 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2172 2001-01-07 Richard Henderson <rth@redhat.com>
2174 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2176 2001-01-07 Richard Henderson <rth@redhat.com>
2178 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2179 NO_SHARED_LIBGCC_MULTILIB as required for the target.
2180 * gcc.c (init_spec): Massage the existing libgcc_spec into a
2181 variant that handles a shared libgcc.
2182 (process_command): Always validate -{static,shared}-libgcc.
2183 (do_spec_1): New 'M' case.
2184 * invoke.text (Link Options): Document -{static,shared}-libgcc.
2186 2001-01-07 Richard Henderson <rth@redhat.com>
2188 * Makefile.in (slibdir): New variable.
2189 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2190 (installdirs): Create slibdir.
2191 (install-libgcc, install-multilib): Defer to libgcc.mk.
2192 * configure.in (slibdir): Substitute.
2193 * mklibgcc.in (install): New target.
2195 * config/t-linux (SHLIB_LINK): Create links for the soname.
2196 (SHLIB_INSTALL): New.
2197 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2198 * config/mips/t-iris6 (SHLIB_INSTALL): New.
2199 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2200 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2201 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2203 2001-01-07 Richard Henderson <rth@redhat.com>
2205 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2206 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2207 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2209 2001-01-07 Michael Hayes <mhayes@redhat.com>
2211 * loop.c (count_loop_regs_set): Delete.
2212 (load_mems_and_recount_loop_regs_set): Delete.
2213 (loop_regs_scan): Merge common code from count_loop_regs_set,
2214 scan_loop, and load_mems_and_recount_loop_regs_set.
2215 (scan_loop): Call load_mems directly and loop_regs_scan
2216 again if new registers created.
2218 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2220 * toplev.c (main): Call the front-end specific post_options
2221 hook if one is given.
2222 * toplev.h (struct_lang_hooks, lang_hooks): New.
2223 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2224 for the C front end.
2225 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2226 lang_hooks for the C++ front end.
2227 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2228 lang_hooks for the ObjC front end.
2229 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2230 * java/lang.c (lang_hooks): Hooks for the Java front end.
2232 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2234 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2235 for verbose DWARF[2] debugging.
2236 (cb_define, cb_undef): The new callbacks.
2237 * toplev.h (debug_define, debug_undef): Make const correct.
2238 * toplev.c (debug_define, debug_undef): Similarly. Do not
2239 perform the verbosity tests here anymore.
2241 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2243 * reload.c (subst_reloads): Take INSN argument. When
2244 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2245 * reload.h (subst_reloads): Adjust prototype.
2246 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2247 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2248 present in JUMP_INSNs and copy them to JUMP_LABEL.
2249 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2250 JUMP_INSNs and insns with REG_LABELs that are followed by
2251 JUMP_INSNs with the same REG_LABEL.
2252 * sched-rgn.c (is_cfg_nonregular): Likewise.
2253 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2255 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2257 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2259 2001-01-06 Richard Henderson <rth@redhat.com>
2261 * loop.c (scan_loop): Use xcalloc for the regs array.
2262 (load_mems_and_recount_loop_regs_set): Zero the new memory
2263 received from xrealloc.
2265 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2267 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2269 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2271 * integrate.c (copy_rtx_and_substitute): When copying
2272 an ignored return value, strip REG_FUNCTION_VALUE_P.
2274 2001-01-06 Michael Hayes <mhayes@redhat.com>
2276 * loop.c (debug_biv, debug_giv): New.
2277 (loop_biv_dump): Break out from ...
2278 (record_biv): ... here.
2279 (loop_giv_dump): Break out from ...
2280 (record_giv): ... here.
2281 (loop_bivs_check): Use print_simple_rtl.
2282 * unroll.c (loop_iterations): Use print_simple_rtl.
2284 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2286 * pa.md (return, return_internal): Modify patterns to prevent regrename
2287 mucking with the return pointer.
2289 2001-01-05 Richard Henderson <rth@redhat.com>
2291 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2293 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2295 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2296 version supplied by Matteo Frigo.
2298 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2300 * cpp.texi: Update for -MQ.
2301 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2302 (cpp_cleanup): Always free pfile->deps.
2303 (initialize_dependency_output): Don't create pfile->deps.
2304 (cpp_handle_option): Similarly.
2306 * gcc.c (cpp_options): Handle -MQ.
2307 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2308 * mkdeps.c (base_name): Remove.
2309 (deps_init): Don't allocate vector space until it's needed.
2310 (deps_free): Only free vectors if allocated.
2311 (deps_add_target, deps_add_dep): Update for initial allocation.
2312 (deps_add_default_target): Don't strip to the base_name.
2314 2001-01-05 DJ Delorie <dj@redhat.com>
2316 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2317 (INIT_EXPANDERS): Define.
2319 * config/v850/v850.c (struct machine_function): Define.
2320 (v850_save_machine_status): New function.
2321 (v850_restore_machine_status): New function.
2322 (v850_return_addr): New function.
2323 (v850_init_expanders): New function.
2325 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2326 and v850_init_expanders.
2328 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2330 * cpplib.h (struct cpp_reader): Add help_only field.
2331 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2332 (cpp_handle_option): Set pfile->help_only if we see -h,
2333 --help, -target-help, or --version. Print version string but
2334 do not set help_only if we see -v or -version. Make text
2335 printed by -v match that printed by (-)-version.
2337 * cppmain.c (main): Exit after option parsing if
2338 pfile->help_only is true.
2340 * toplev.c (independent_decode_option): Call print_version,
2341 then exit, if we see --version (but not -version).
2342 (print_version): Split lengthy message into two lines.
2344 2001-01-05 Nick Clifton <nickc@redhat.com>
2346 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2347 temporary string for initialisation before calling ggc_alloc_string.
2349 2001-01-06 Michael Hayes <mhayes@redhat.com>
2351 * rtl.h (print_simple_rtl): New.
2352 * print-rtl.c (print_simple_rtl): New.
2354 (print_rtx): Disable printing of flags and modes, etc.,
2355 if `flag_simple` nonzero.
2357 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2359 * function.c (fixup_var_refs): Use push_to_full_sequence where
2362 2001-01-05 Michael Meissner <meissner@redhat.com>
2364 * flags.h (flag_reorder_blocks): Add declaration.
2365 (flag_rename_block): Ditto.
2367 2001-01-05 DJ Delorie <dj@redhat.com>
2369 * function.c (reorder_blocks): Make sure the flags are all reset
2370 before using them to mark blocks, else a second invocation will
2371 corrupt the block chain.
2372 (reorder_blocks_0): New, resets the flags.
2374 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2376 * cse.c (find_comparison_args): Stop if the argument is known to
2379 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2381 * config/sh/sh.md (movdf): When splitting load into pair of
2382 registers, don't clobber the register used in the address too
2385 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2387 * varasm.c (mark_constant_pool): Improve initial comments.
2388 (mark_constants): Move marking of constants to mark_constant.
2389 (mark_constant): New function to recursively mark all constants
2390 referred to by a constant.
2392 2001-01-05 Catherine Moore <clm@redhat.com>
2394 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2396 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2398 * cp/lang-options.h: Bring comment in line with reality.
2399 * f/lang-options.h: Likewise.
2400 * java/lang-options.h: Likewise.
2401 * objc/lang-options.h: Likewise.
2402 * ch/lang-options.h: Likewise.
2403 * f/g77.texi: And update the manual.
2405 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2406 Denis Chertykov <denisc@overta.ru>
2408 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2409 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2410 * config/avr/avr.md (all peepholes that request a scratch register):
2411 Call it, FAIL the peephole if not safe (in interrupt functions).
2413 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2415 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2417 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2419 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2421 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2422 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2423 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2424 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2425 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2427 * extend.texi: Document these builtins.
2429 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2431 * c-common.c (lang_get_alias_set): Say we know nothing of
2432 VECTOR_TYPE aliasing.
2434 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2436 2001-01-05 Bruce Korb <bkorb@gnu.org>
2438 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2439 their x* equivalent versions for atexit-less systems
2440 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2441 systems (or any other system any more).
2443 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2445 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2446 output operands. Use arm_hard_register_operand for operand 4.
2447 (stmsi_postinc): Similarly.
2448 (ldmsi): Use arm_hard_register_operand for opernand 2.
2450 * arm.c (arm_hard_register_operand): New function.
2451 * arm-protos.h (arm_hard_register_operand): Prototype it.
2453 * arm.h (HARD_REGNO_RENAME_OK): Define.
2455 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2457 * simplify-rtx.c (cfc_args): add "unordered" field.
2458 (check_fold_consts): Set unordered field.
2459 (simplify_relational_operation): Simplify the unordered
2462 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2465 * emit-rtl.c (try_split): Fix code to mark labels.
2466 * jump.c (mark_jump_label): Make global.
2467 * rtl.h (mark_jump_label): Declare.
2469 * predict.c (estimate_probability): Handle unordred comparisons.
2471 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2473 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2474 * cppinit.c (initialize_dependency_output): Update.
2475 (cpp_finish): Output dummy targets for -MP.
2477 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2478 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2479 * gcc.c (cpp_options): Update to handle -MP.
2480 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2481 to quote only the default target.
2482 (deps_phony_targets): Insert a preceding newline. Rename from
2483 deps_dummy_targets for consistency.
2486 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2488 * calls.c (emit_library_call_value_1): Support
2489 INIT_CUMULATIVE_LIBCALL_ARGS.
2490 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2492 2001-01-04 Richard Henderson <rth@redhat.com>
2494 * c-decl.c (finish_struct): Detect flexible array members
2495 used in an inappropriate context.
2496 * c-typeck.c (really_start_incremental_init): Special case
2497 constructor_max_index for zero length arrays.
2498 (pop_init_level): Allow initialization of flexible array
2499 members. Deprecate initialization of zero length arrays.
2500 Don't issue missing initializer warning for flexible array
2501 members or zero length arrays.
2502 (process_init_element): Don't dereference null DECL_SIZE.
2503 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2504 Don't abort for empty constructors. Use size_binop
2505 (output_constructor): Add commentary regarding zero length
2506 array futures. Abort if we try to initialize an array of
2507 unspecified length with a non-empty constructor in the middle
2510 * extend.texi (Zero Length): Update and clarify documentation
2511 on static initialization.
2513 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2515 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2516 with more than 32767 words of local storage.
2518 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2520 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2521 for 'abs', 'labs', and 'fabs'.
2522 (c4x_expand_builtin): Likewise.
2523 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2525 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2527 * config/sh/sh.md (prget, prset): New insn types.
2528 (return delay slot): Dont' allow prset.
2529 (call, sfunc delay slot): Don't allow prget.
2530 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2531 for prset and prget.
2533 2001-01-05 Michael Hayes <mhayes@redhat.com>
2535 * loop.h (struct loop_reg): New.
2536 (struct loop_regs): Change to use array of `struct loop_reg'.
2537 * loop.c: Replace assortment of varrays with single regs array.
2538 (count_one_set): Delete may_not_move array argument
2539 and use regs array instead. All caller's changed.
2540 (count_loop_regs_set): Delete may_not_move and single_usage
2541 arguments and use regs array instead. All caller's changed.
2542 (find_single_use_in_loop): Replace usage array argument with pointer
2543 to regs structure. All caller's changed.
2544 (loop_optimize): Delete `moved_once' array.
2546 2001-01-05 Michael Hayes <mhayes@redhat.com>
2548 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2549 Use it instead of loop_info->has_call for scanning loop mems.
2550 (check_dbra_loop): Replace loop_info->has_call test with
2551 loop_info->has_nonconst_call.
2553 2000-01-04 Matthew Hiller <hiller@redhat.com>
2555 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2558 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2560 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2561 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2563 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2565 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2566 (flag_short_double, flag_short_wchar): Define.
2567 (c_common_nodes_and_builtins): Create many tree nodes shared
2568 between C and C++ here instead of in cp/decl.c and ...
2569 * c-decl.c (init_decl_processing): ... here.
2570 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2571 (flag_short_double, flag_short_wchar): Don't define.
2572 (record_builtin_type): New function.
2573 (build_void_list_node): New function.
2574 * c-common.h (flag_short_double, flag_short_wchar,
2575 record_builtin_type, build_void_list_node): Declare.
2577 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2579 * integrate.c (expand_inline_function): Don't put a virtual
2580 register into the reg map.
2582 * function.c (fixup_var_refs_1): If force_operand didn't put
2583 the address into the target, move it there.
2585 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2587 Special-case tree_decl/tree_list allocations.
2588 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2589 (OBJECT_SIZE): New macro.
2590 (NUM_EXTRA_ORDER): Likewise.
2591 (extra_order_size_table): New variable.
2592 (NUM_ORDERS): New macro.
2593 (objects_per_page_table): New variable.
2594 (object_size_table): New variable.
2595 (G.pages): Use NUM_ORDERS to bound the array.
2596 (G.page_tails): Likewise.
2597 (DIV_ROUND_UP): Remove.
2598 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2599 (alloc_page): Use OBJECT_SIZE.
2600 (size_lookup): Don't make it const.
2601 (ggc_alloc): Use OBJECT_SIZE.
2602 (ggc_set_mark): Likewise.
2603 (ggc_get_size): Likewise.
2604 (init_ggc): Set up the object_size_table, objects_per_page_table,
2605 and adjust size_lookup.
2606 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2607 (ggc_pop_context): Use NUM_ORDERS.
2608 (clear_marks): Likewise.
2609 (sweep_pages): Likewise.
2610 (poison_pages): Likewise.
2611 (ggc_print_statistics): Use OBJECT_SIZE.
2613 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2615 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2616 Only call array_size_for_constructor if last field and array type
2617 with no upper bound.
2619 2001-01-04 Philip Blundell <philb@gnu.org>
2621 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2622 from bit 31 downwards, if this requires no more insns.
2623 (count_insns_for_constant): New helper function for above.
2625 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2627 * gencodes.c (output_predicate_decls): Remove empty initializer.
2629 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2631 * tree.c (copy_node): Remove documentation about obstacks.
2632 (buidl1): Check that nobody tries to build 2-argument nodes this
2635 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2637 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2640 * gencodes.c (output_predicate_decls): Fill empty initializer
2643 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2645 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2646 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2648 (do_include): Handle missing headers like cpp0.
2649 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2650 paths with first include pathname. Don't strcat to uninitialized
2653 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2655 * regrename.c (regrename_optimize): Don't rename from frame pointer
2656 if frame_pointer_needed.
2657 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2658 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2659 (ia64_reorg): Use it instead of scheduling if ! optimize.
2660 (errata_emit_nops): Properly call asm_noperands.
2661 (ia64_sched_reorder): Finish cycle if we see an asm.
2662 (ia64_variable_issue): Clear scheduling state after asms.
2664 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2666 * cpp.texi: Update for -MT.
2667 * cppinit.c (initialize_dependency_output): Add a default
2668 target if none has been given already.
2669 (no_tgt, OPT_MT): New.
2670 (cpp_handle_option): Handle -MT. Update -M etc.
2671 * cpplib.h (struct cpp_options): Remove deps_target.
2672 * gcc.c (cpp_options): Handle -MT.
2673 * mkdeps.c (struct deps): Move from mkdeps.h.
2674 (deps_calc_target): Rename deps_add_default_target. Add a
2675 default target if none has been specified already.
2676 * mkdeps.h (struct deps): Move to mkdeps.c.
2677 (deps_calc_target): Rename deps_add_default_target.
2679 2000-01-03 Richard Henderson <rth@redhat.com>
2681 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2683 * c-typeck.c (push_init_level): Move checks for flexible array
2684 members and zero length arrays ...
2685 (pop_init_level): ... here. Silently discard empty initializations.
2687 * varasm.c (output_constructor): Update for sizeof change to
2690 * extend.texi (Zero Length): Clarify semantics.
2692 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2694 * configure.in (tm.h): Include isns-codes.h last.
2695 * configure: Rebuilt.
2697 2001-01-03 Richard Henderson <rth@redhat.com>
2699 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2700 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2702 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2704 * tradcpp.c (main): Make sure finclude() is called with a valid
2705 indepth value while handling -include.
2707 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2709 * gencodes.c (output_predicate_decls): New function.
2711 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2712 even if it is not the first time machmode.h is #included.
2713 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2714 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2715 * gcc.texi (Copyright): Added 2001.
2717 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2719 * c-common.c (c_common_lang_init): New function. Warn if format
2720 warning options which only have effects when used with -Wformat
2721 are used without -Wformat.
2722 * c-common.h (c_common_lang_init): Declare.
2723 * c-lang.c (lang_init): Call c_common_lang_init.
2724 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2726 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2728 * configure.in: Check for the mktemp command.
2729 * configure: Regenerate.
2730 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2731 $TEMP. Create temporary files with mktemp, if available at
2732 configure time; otherwise use set -C. Remove temporary files
2735 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2737 * configure.in: Require at least texinfo 4.0. Check for whether
2738 Pod::Man is sufficiently recent to regenerate GCC manpages.
2739 * configure: Regenerate.
2740 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2742 (GENERATED_MANPAGES): Define.
2743 (generated-manpages): New target. Depend on cpp.1 as well as
2745 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2746 configure to generated-manpages or empty) rather than on the
2747 manpages directly. Remove execute permission from installed
2748 gcov.1 as well as cpp.1.
2749 * cpp.1, gcov.1: Regenerate.
2751 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2753 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2754 tree_low_cst. Allow using cmpstrsi in more cases.
2756 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2758 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2761 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2763 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2764 * Makefile.in (HOST_CFLAGS): Mention build-make.
2766 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2768 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2771 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2773 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2776 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2779 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2780 reg_base_value and reg_known_value arrays.
2781 (init_alias_analysis): Add more cases to detect known values.
2782 * sched-deps.c (deps_may_trap_p): New function.
2783 (sched_analyze_2): Use it.
2785 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2787 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2788 don't discard an ASHIFTRT if we're shifting in a wider mode.
2790 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2792 * toplev.c (rest_of_compilation): Don't print basic block information
2793 when CFG isn't up to date.
2795 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2797 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2798 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2799 (UNALIGNED_SHORT_ASM_OP): Define.
2800 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2802 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2804 * fold-const.c (fold_convert): Fix typo.
2806 2001-01-02 Richard Henderson <rth@redhat.com>
2808 * c-common.h (ASM_INPUT_P): New.
2809 * c-parse.in (asm): Set it when needed.
2810 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2811 existance of an operand.
2813 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2815 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2816 (dwarf2out_frame_debug_expr): Likewise.
2817 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2819 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2821 * i386.c (ix86_split_to_parts): Return number of part required;
2823 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2825 (ix86_split_long_move): Use number of part returned
2826 by ix86_split_to_parts
2827 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2829 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2830 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2831 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2832 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2833 (ALIGN_MODE_128): Add TFmode.
2834 (IS_STACK_MODE): Likewise.
2835 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2836 (HARD_REGNO_OK): Support TFmodes.
2837 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2838 * i386.md (scheduler definitions): Use memory operand to determine
2839 fst/fld instructions; use mode attribute to determine real mode of
2841 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2842 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2844 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2846 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2848 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2850 * expr.c (store_constructor_field): Update ALIGN before calling
2853 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2855 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2858 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2860 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2863 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2865 * c-decl.c (start_function): Don't warn on third parameter to main.
2867 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2869 * tsystem.h: Define HAVE_DECL_GETOPT.
2871 2001-01-02 Philip Blundell <pb@futuretv.com>
2873 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2876 2001-01-02 Richard Henderson <rth@redhat.com>
2878 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2880 2001-01-02 Andreas Jaeger <aj@suse.de>
2882 * c-decl.c (c_decode_option): Remove support of
2885 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2886 (W_options): Add -Wmissing-noreturn here.
2888 * flow.c: Define lang_missing_noreturn_ok_p.
2889 (check_function_return_warnings): Use it.
2891 * c-common.h: Declare lang_missing_noreturn_ok_p.
2893 * c-lang.c (c_missing_noreturn_ok_p): New function.
2894 (lang_init): Set lang_missing_noreturn_ok_p.
2896 * invoke.texi (Warning Options): Document this.
2898 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2900 * extend.texi (C++ Extensions): New node for C++ attributes;
2901 describe init_priority and com_interface.
2902 * invoke.texi: Remove -finit-priority as it now has zero effect.
2903 * install.texi: Fix xref syntax.
2904 * md.texi: Likewise.
2906 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2908 * config.gcc (sparc64-wrs-vxworks*): New case.
2909 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2911 * config/sparc/sparc.c (sparc_override_options): Do support different
2912 pointer and architecture size.
2913 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2914 (POINTERS_EXTEND_UNSIGNED): Define.
2915 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2916 (FUNCTION_MODE): Define to be Pmode.
2917 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2919 * function.c (expand_function_end): Properly handle DECL_RESULT
2920 and copy when ptr_mode != Pmode.
2921 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2923 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2925 * c-common.c (c_common_nodes_and_builtins): Set prototype
2926 parameters for __builtin_fputs, __builtin_fputc and
2927 __builtin_fwrite. Don't declare plain fputc as a builtin.
2929 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2931 * loop.c (add_label_notes): Increment the label usage count when
2932 a note is added to an insn which refers to a CODE_LABEL.
2933 * gcse.c (add_label_notes): Likewise.
2935 2001-01-01 Andreas Jaeger <aj@suse.de>
2937 * loop.c (scan_loop): Use xmalloc to allocate movables.
2939 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2941 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2942 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2943 * reload1.c (REGISTER_MOVE_COST): Likewise.
2944 * regclass.c (REGISTER_MOVE_COST): Likewise.
2945 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2946 dimension. Adjust all users.
2947 (init_reg_sets_1): Iterate on all modes.
2948 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2949 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2950 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2951 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2952 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2953 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2954 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2955 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2956 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2957 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2958 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2959 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2960 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2961 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2962 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2963 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2964 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2965 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2966 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2967 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2968 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2969 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2970 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2971 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2972 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2973 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2974 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2976 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2978 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2979 arg VARIES_P. Call it with extra arg.
2980 (true_dependence): Likewise.
2981 * rtl.h (rtx_addr_can_trap_p): Declare.
2982 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2984 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2985 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2986 pic offset table register if it's zero. All callers changed.
2987 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2989 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2991 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2992 STRING_POOL_ADDRESS_P.
2994 * config/sparc/sparc.c (input_operand): Properly test for short op.
2996 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2997 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2998 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2999 * config/sparc/elf.h: No longer include sol2.h.
3000 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
3001 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
3003 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
3005 2001-01-01 Michael Hayes <mhayes@redhat.com>
3007 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
3008 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
3009 (record_initial): Likewise.
3010 * unroll.c (copy_loop_body, loop_iterations): Likewise.
3011 (remap_split_bivs): Likewise.
3013 2001-01-01 Michael Hayes <mhayes@redhat.com>
3015 * loop.c (loop_ivs_free): New function.
3016 (strength_reduce): Break out from...
3018 2001-01-01 Michael Hayes <mhayes@redhat.com>
3020 * loop.h (struct iv): New.
3021 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
3022 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
3023 'reg_biv_class' fields with 'regs' and 'n_regs'.
3024 (struct ivs): Rename 'loop_iv_list' field to 'list'.
3025 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
3026 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
3028 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
3030 * resource.c (mark_referenced_resources): Abort() before
3031 attempting to mark a pseudo register.
3032 (mark_set_resources): Likewise.
3034 2001-01-01 Michael Hayes <mhayes@redhat.com>
3036 * loop.h (REG_IV_CLASS): New accessor macro.
3037 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
3038 * unroll.c (REG_IV_CLASS): Likewise.
3040 See ChangeLog.4 for earlier changes.