1 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3 * diagnostic.c (fatal): Fix word wrap.
5 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
7 * combine.c (try_combine): Fix SUBREG setting for
8 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
10 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
15 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
17 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
19 * toplev.c (decode_W_option): Update warn_larger_than
20 unconditionally for each processed switch.
22 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
24 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
26 (hppa_expand_prologue): Delete code to save pic offset table register
27 in the function prologue.
28 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
29 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
30 table register at the beginning of the function after the prologue.
32 2001-01-29 lars brinkhoff <lars@nocrew.org>
34 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
36 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
37 Jeff Law <law@redhat.com>
39 * pa.md (return): Revise comment for trivial return.
40 (return_internal): Non-trivial return pattern for non-PIC code.
41 (return_internal_pic): Non-trivial return pattern for PIC code.
42 It uses the PIC register to ensure it is restored after
44 (epilogue): Generate appropriate return for PIC and non-PIC code.
46 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
48 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
50 2001-01-29 DJ Delorie <dj@redhat.com>
52 * combine.c (if_then_else_cond): Pass the correct mode to
53 operand_subword() for constants.
55 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
57 * config/i386/cygwin.h: Add w32api to include search. Search different
58 directories in a cross-build environment.
60 2001-11-29 Tim Josling <tej@melbpc.org.au>
62 * tree.h (TYPE_STUB_DECL): Add documentation.
64 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
66 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
67 (sdbout_field_types): Likwise. Fix use of host_integerp.
69 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
71 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
74 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
76 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
77 to use flag_gnu_linker.
79 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
81 * cpplib.c (T_BAD_DIRECTIVE): Remove.
82 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
84 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
86 * tree.c, tree.h (build_parse_node): Remove; was identical to
88 * c-lang.c (start_cdtor), objc/objc-act.c
89 (build_module_descriptor): Use build_nt instead of
92 2001-01-29 Jakub Jelinek <jakub@redhat.com>
94 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
95 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
96 not have any upper bits set.
98 2001-01-29 Phil Edwards <pme@sources.redhat.com>
100 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
102 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
104 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
106 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
108 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
109 (integer_minus_one_node): Define.
111 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
113 * Makefile.in (bootstrap2-lean): Fix typo.
115 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
117 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
118 : Don't set fe_value.
119 * cpplib.h (AVOID_LPASTE): New flag.
120 (struct cpp_hashnode): Remove fe_value.
121 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
122 * cppmacro.c (builtin_macro): Don't set flags here.
123 (replace_args): Set AVOID_LPASTE flag on first token of an
124 argument, and the token following it.
125 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
126 macro expansion, and on the token following it. Do it for
128 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
130 2001-01-27 Richard Henderson <rth@redhat.com>
132 * config/alpha/t-ieee: Remove multilibbing.
133 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
135 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
137 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
139 * Makefile.in: Remove all dependencies on defaults.h.
140 * builtins.c: Don't include defaults.h.
141 * c-common.c: Likewise.
142 * c-decl.c: Likewise.
143 * c-pragma.c: Likewise.
144 * c-typeck.c: Likewise.
145 * combine.c: Likewise.
147 * frame-ia64.c: Likewise.
148 * cppexp.c: Likewise.
149 * crtstuff.c: Likewise.
150 * dbxout.c: Likewise.
151 * dwarf2out.c: Likewise.
152 * dwarfout.c: Likewise.
153 * emit-rtl.c: Likewise.
154 * except.c: Likewise.
157 * frame-dwarf2.c: Likewise.
158 * libgcc2.c: Likewise.
159 * optabs.c: Likewise.
160 * profile.c: Likewise.
161 * sdbout.c: Likewise.
162 * toplev.c: Likewise.
163 * tradcif.y: Likewise.
165 * varasm.c: Likewise.
167 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
169 * builtins.c (expand_builtin_fputs): Use size_one_node when
170 transforming into fwrite.
172 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
174 * extend.texi (Attribute Syntax): New section.
176 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
178 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
179 they didn't need fixing.
181 2001-01-27 Janis Johnson <janis@us.ibm.com>
183 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
185 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
186 to remove macro definitions that are duplicated from elfos.h.
188 2001-01-27 Richard Henderson <rth@redhat.com>
190 * config/i386/sco5gas.h: Move ...
191 * config/usegas.h: ... here.
192 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
194 2001-01-27 Jakub Jelinek <jakub@redhat.com>
196 * c-typeck.c (struct constructor_stack): Add range_stack member.
197 (really_start_incremental_init): Clear it.
198 (push_init_level): Save constructor_range_stack and clear it if
199 pushing explicit braces.
200 (pop_init_level): abort if constructor_range_stack is non-zero at
201 explicit closing brace. Restore saved constructor_range_stack if
204 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
206 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
207 into register was forced into memory.
209 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
211 * Makefile.in: Remove uses of + before $(MAKE).
213 2001-01-26 Richard Henderson <rth@redhat.com>
215 * stmt.c (cost_table): Remove.
216 (COST_TABLE, cost_table_initialized): New.
217 (estimate_case_costs): Use the later instead of the former.
218 (balance_case_nodes): Likewise.
220 2001-01-26 Richard Henderson <rth@redhat.com>
222 * alias.c (objects_must_conflict_p): Read-only slots may not
223 conflict despite having the same type.
225 2001-01-27 Michael Hayes <mhayes@redhat.com>
227 * loop.c (loop_giv_reduce_benefit): Copy mode size into
229 (check_ext_dependant_givs): Initialise u_start_val and
231 (load_mems): Make last_max_reg unsigned.
232 (try_swap_copy_prop): Use INSN_P and initialise set.
234 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
236 * README.AVR : Removed.
238 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
240 * pa-64.h (text_section): Remove declaration.
242 * pa.md (return_internal): Remove mode on PIC register use.
244 2001-01-25 lars brinkhoff <lars@nocrew.org>
246 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
247 ASM_CLOSE_PAREN): fix typos.
249 2001-01-25 Mark Mitchell <mark@codesourcery.com>
251 * acconfig.h: Define `const' to the empty string if neither
252 __STDC__ nor __cplusplus is defined.
253 * config.in: Regenerated.
255 2001-01-25 David Edelsohn <edelsohn@gnu.org>
257 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
258 * collect2.c (main): Delete importf. Add ".obj" file extension.
259 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
260 (aix_std_libs): Add additional AIX libraries to skip.
261 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
262 * config/rs6000/aix51.h: New file.
264 2001-01-25 Michael Hayes <mhayes@redhat.com>
266 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
267 (loop_insn_emit_before): No longer static.
268 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
269 (loop_givs_rescan, load_mems): Likewise.
270 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
271 (maybe_eliminate_biv_1):
272 (move_movables): Replace emit_call_insn_before with
273 loop_call_insn_hoist.
274 * loop.h (loop_insn_emit_before): Add.
275 * unroll.c (copy_loop_body): Replace emit_insn_before with
276 loop_insn_emit_before.
278 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
280 * diagnostic.c (fatal): Request preprocessed source.
282 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
284 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
285 olddecl has argument types and newdecl has none, use the argument
288 2001-01-24 Ulrich Drepper <drepper@redhat.com>
290 * dwarf2out.c (prefix_of): New function. Determine longest common
291 prefix of the two arguments. The units are whole path components.
292 (output_file_names): When adding a new directory find the one entry
293 with the longest common prefix already in the list. Artificially
294 generate entry if there is none for this prefix.
295 Fix test to check whether the zeroth directory entry is used.
297 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
299 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
300 Changed all callers. Take it into account when deciding if a
301 previously loaded value matches.
303 2001-01-24 Richard Henderson <rth@redhat.com>
305 * reload.c (find_reloads_subreg_address): Fail the substitution
306 if the resulting address is insufficiently aligned.
308 2001-01-24 DJ Delorie <dj@redhat.com>
310 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
311 check the original operand's mode also.
312 * simplify-rtx.c (simplify_ternary_operation): Ditto.
314 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
316 * c-parse.in (cast_expr): Move compound literals from here ...
317 (primary): ... to here. Use standard terminology "compound
318 literal" instead of "constructor expression".
320 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
322 * gcc.1, cpp.1: Regenerate.
324 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
326 * calls.c (emit_library_call_value_1): Memory slot for
327 pass-by-reference argument should have the mode of the argument,
328 not of the pointer to it.
330 2001-01-24 Tom Tromey <tromey@redhat.com>
332 * gcc.texi (G++ and GCC): Mention gcj manual.
333 (Standards): Link to section of manual mentioning gcj/Java
336 2001-01-24 Jakub Jelinek <jakub@redhat.com>
338 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
339 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
340 * tradcpp.c (main): Add -imacros or -include'd dependencies
342 * cpp.texi (-M, -MM): Document -M -include behaviour.
344 2001-01-24 Roger Collins <roger@ProProject.com>
346 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
348 2001-01-24 Will Cohen <wcohen@redhat.com>
350 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
351 whether registers are 32 bits or 64 bits in size.
353 2001-01-24 Ben Elliston <bje@redhat.com>
355 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
357 2001-01-24 Richard Henderson <rth@redhat.com>
359 * config/alpha/alpha.md (builtin_longjmp_internal): New.
360 (builtin_longjmp): Use it instead of emit_indirect_jump.
362 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
364 * bb-reorder.c (make_reorder_chain_1): Handle case where
365 jump edge goes to the same block as the fallthru edge.
367 2001-01-23 Jim Wilson <wilson@redhat.com>
369 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
370 * frame.h (__ia64_personality_v1): Add prototype.
371 * libgcc2.c (ia64_throw_helper): Change personality declaration to
372 prototype form. Add void * cast to first argument to personality
374 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
375 (asctoe113): Likewise.
376 * config/ia64/frame-ia64.c: Include eh-common.h.
377 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
379 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
381 (itanium_split_issue): Add prototype.
382 (gen_nop_type): Ifdef out.
383 (find_best_packet): Initialize best_packet.
384 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
386 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
387 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
388 (flushrs): Add explicit stop bit at end.
389 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
392 2001-01-23 Chris Demetriou <cgd@broadcom.com>
394 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
396 * libgcc2.c (__terminate_func): Make variable static.
397 (__terminate_set_func): New function to set __terminate_func.
398 * libgcc2.h (__terminate_func_ptr): New typedef.
399 (__terminate_set_func): New function.
401 2001-01-23 Richard Henderson <rth@redhat.com>
403 * flow.c (init_propagate_block_info): Don't consider unchanging
404 memories for dead frame store elimination.
406 2001-01-23 Richard Henderson <rth@redhat.com>
408 * varasm.c (UNIQUE_SECTION): Move default implementation ...
409 * defaults.h: ... here.
411 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
413 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
415 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
417 * c-lex.c (lex_charconst): Fix typo: s/p/str.
419 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
421 * rs6000.h (rs6000_return_addr): Move prototype from here...
422 * rs6000-protos.h (rs6000_return_addr): ...to here.
423 (rs6000_init_expanders): Delete prototype.
425 2001-01-23 Nick Clifton <nickc@redhat.com>
427 * invoke.texi: Replace , with \, inside @gccoptlist macros.
428 (Spec Files): Document %B and %j and %. and %v3 and %M and
429 %{S*&T} spec switches.
431 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
433 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
435 2001-01-23 Chris Demetriou <cgd@sibyte.com>
436 Neil Booth <neil@daikokuya.demon.co.uk>
438 * cpperror.c: Merge handlers of PEDWARN and WARNING.
439 Have -Werror make pedantic warnings errors, like the
442 2001-01-23 Phil Edwards <pme@sources.redhat.com>
444 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
446 2001-01-23 Jakub Jelinek <jakub@redhat.com>
448 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
449 * integrate.c (expand_inline_function): Initialize them.
450 (subst_constants): If changing COMPARE so that both its arguments
451 will be VOIDmode and the comparison mode will be lost, note
452 compare_mode. Use the recorded compare_mode to optimize
455 2001-01-23 Jason Merrill <jason@redhat.com>
457 * dwarf2out.c (new_die): Use xcalloc.
458 (output_die): Abort rather than emit a local reference to offset 0.
460 2001-01-17 Andrew Haley <aph@redhat.com>
462 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
463 of a saved register; return NULL instead.
464 (copy_reg): Take a pointer to a source register rather than a
466 (next_stack_level): Remember the address in the stack frame of all
468 Use the saved register pointer array as the source of the CFA.
469 (throw_helper): Rewrite. Unwind once rather than twice and keep
470 track of saved registers as we go.
472 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
474 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
475 * c4x.c (c4x_legitimize_reload_address): Remove.
476 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
477 reload address for ldp(k) insn.
479 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
481 * pa.md (return_internal): Add a USE of the PIC register to ensure
482 it is restored after each call.
483 (return expander): Corresponding changes.
485 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
487 * rs6000.h (INIT_EXPANDERS): Delete.
488 (RETURN_ADDR_RTX): Call rs6000_return_addr().
489 * rs6000.c (rs6000_override_options): Call *_machine_status from
491 (rs6000_init_expanders): ...instead of here. Delete.
492 (rs6000_mark_machine_status): New function.
493 (rs6000_init_machine_status): Use xcalloc.
494 (rs6000_return_addr): Generate RTX for the return address.
495 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
496 (rs6000_stack_info): Use it.
498 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
500 * gthr-win32.h: Include errno.h to get a declaration for
501 EINVAL and _mingw.h if the target is mingw32.
503 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
505 * cpp.texi: Correct typos.
507 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
509 * explow.c (probe_stack_range): Ensure value passed to
510 stack_check_libfunc is ptr_mode, not Pmode.
512 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
514 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
515 case, don't use operand_subword to calculate a SUBREG that is
518 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
520 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
522 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
523 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
524 valid. If not replace it by equivalent insns.
526 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
528 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
529 contains SYMBOL_REF, LABEL_REF and CONST_INT.
530 (c4x_U_constraint, symbolic_address_operand): Likewise.
531 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
533 (c4x_r11_set_p, c4x_check_laj_p): New functions.
534 * c4x-protos.h (c4x_check_laj_p): Add prototype.
535 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
536 anulling slot because of silicon bug.
537 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
539 2001-01-22 Alan Modra <alan@linuxcare.com.au>
541 * cppexp.c (parse_charconst): Change `mask' type to agree
544 2001-01-21 Richard Henderson <rth@redhat.com>
546 * config/i386/i386.c (ix86_asm_file_end): Disable putting
547 pic_label_name in a linkonce section.
549 2001-01-17 Philipp Thomas <pthomas@suse.de>
551 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
553 * configure: Regenerate.
555 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
557 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
558 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
560 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
562 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
563 If REVERSE nonzero then condition code in X must be reversed.
564 (encode_section_info): Optimise if/else.
565 (avr_function_value): Fix formatting.
567 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
568 (difficult_branch): Likewise.
569 (rvbranch): Likewise.
570 (difficult_rvbranch): Likewise.
572 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
574 * config/avr/libgcc.S: Fix comment.
576 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
578 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
580 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
582 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
584 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
586 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
587 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
588 * configure, config.in: Regenerate.
589 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
590 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
591 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
592 (doprint.o): New rule.
594 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
596 * c-typeck.c (digest_init): Handle boolean types as scalars.
598 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
600 * stmt.c (expand_return): Don't return anything if size is zero.
601 Delete redundant assignment to BYTES.
602 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
604 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
606 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
607 the same as the default library function names.
608 * config/avr/avr.md: Document special characters after '%'.
609 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
610 knowing which of the call-used registers are really clobbered.
611 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
612 New. Both quotient and remainder from one libgcc.S call.
613 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
614 clobber as few registers as possible.
615 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
617 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
619 * cppmacro.c (funlike_invocation_p): Don't move back up to the
620 context of the top of the stack.
622 2001-01-20 Jakub Jelinek <jakub@redhat.com>
624 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
625 (fixup_var_refs_insns): ...here.
627 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
629 * function.c (fixup_var_refs_insns): Break up into
630 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
631 [loop over entire insn list], and fixup_var_refs_insns_with_hash
632 [loop over hash table entries].
633 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
634 fixup_var_refs_insns_with_hash, to match above changes.
636 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
638 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
639 (libgcc.a): Likewise.
640 (stmp-multilib): Likewise.
641 (STAGE2_FLAGS_TO_PASS): Likewise.
643 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
645 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
646 temporary if no_new_pseudos.
648 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
650 * cppinternals.texi: Update.
652 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
654 * arm.c (arm_init_builtins): Re-enable builtins.
656 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
658 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
659 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
660 element to be null, and always expect an EXPR_LIST.
661 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
662 * sched-deps.c (sched_analyze_1): Likewise.
663 * sched-rgn.c (check_live_1, update_live_1): Likewise.
665 * regclass.c (max_set_parallel): New variable.
666 (reg_scan): Take it into account in computation of max_parallel.
667 (reg_scan_mark_refs, case SET): Compute it.
669 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
671 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
672 * function.c (assign_parms): Use INTVAL for a CONST_INT.
674 2001-01-19 Jason Merrill <jason@redhat.com>
676 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
677 for the abstract instance of an inline function.
679 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
680 J"orn Rennecke <amylaar@redhat.com>
682 * reload1.c (move2add_note_store): Treat all registers directly or
683 indirectly derived from a base register as members of the same set
685 (reload_cse_move2add): Adjust accordingly. Take mode and offset
686 of base register into account.
688 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
690 * alias.c (find_base_value): Recognize TRUNCATE.
691 (record_set): In PLUS case, invalidate if other summand is also a
694 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
696 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
697 entry to be EXPR_LIST.
698 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
699 be an EXPR_LIST (but not null, which other code doesn't allow).
700 (note_stores): Properly handle PARALLEL in SET.
701 Recursively call for top-level PARALLEL.
702 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
703 * sched-rgn.c (check_live_1, update_live_1): Likewise.
705 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
707 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
709 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
710 not pfile->skipping (== 0).
712 2001-01-17 Nick Clifton <nickc@redhat.com>
714 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
717 2001-01-17 Jim Wilson <wilson@redhat.com>
719 * invoke.texi (IA-64 options): Improve.
721 2001-01-17 Tom Tromey <tromey@redhat.com>
723 * invoke.texi (Optimize Options): Use `{}' to around @samp
726 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
728 * invoke.texi (-fno-guess-branch-probability): New option.
730 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
732 * combine.c (try_combine): Don't set i3_subst_into_i2 for
733 case of making new double-word constant.
734 Revert last change: instead just test i3_subst_into_i2.
736 2001-01-17 Jakub Jelinek <jakub@redhat.com>
738 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
739 Use q constraints instead of r.
741 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
743 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
744 (machine_function): Define.
745 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
746 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
747 pa_free_machine_status): New functions.
748 (override_options): Set {init,mark,free}_machine_status to above.
749 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
750 PIC_OFFSET_TABLE_REGNUM_SAVED.
751 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
752 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
753 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
754 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
755 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
757 2001-01-15 DJ Delorie <dj@redhat.com>
759 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
763 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
765 * flow.c (propagate_on_insn): Make trying to delete a prologue
766 or epilogue insn an ICE, not a warning. Allow doing this if
767 the current function returns with stack pointer depressed.
769 * combine.c (try_combine): If i3_subst_into_i2, properly check for
770 I3 having more than one SET.
772 2001-01-16 Jim Wilson <wilson@redhat.com>
774 * invoke.texi: Document IA-64 options.
776 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
777 (fixup_errata): Delete TARGET_A_STEP use.
778 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
779 (TARGET_SWITCHES): Delete -ma-step option.
780 * config/ia64/ia64.md (all FP patterns): Delete %B0.
781 (movqicc_astep, movqi_internal_astep, movhicc_astep,
782 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
783 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
784 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
785 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
787 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
788 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
789 cmovsi_internal): Delete ! TARGET_A_STEP check.
791 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
793 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
794 possibility to report bugs via postal mail. Change a URL and
795 merge in a nearly duplicate statement...
796 (Bug Reporting): ...from here.
797 (Service): Refer to the Bug Reporting section instead of
799 (Contributing): Remove trivial explanations concerning snapshots.
801 2001-01-16 Alan Modra <alan@linuxcare.com.au>
803 * cppmain.c (general_init): Don't use ANSI prototype.
805 2001-01-16 Tom Tromey <tromey@redhat.com>
807 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
809 2001-01-16 Richard Henderson <rth@redhat.com>
811 * config/i386/i386.h: Fix comment typo.
812 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
813 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
815 2001-01-16 Phil Edwards <pme@sources.redhat.com>
817 * gcc.c: Revert previous -fsyntax-only-related change; move
820 2001-01-16 Jakub Jelinek <jakub@redhat.com>
822 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
823 inmode after checking GET_CODE (op).
825 2001-01-16 Richard Henderson <rth@redhat.com>
827 * flow.c (struct propagate_block_info): Add mem_set_list_len.
828 (MAX_MEM_SET_LIST_LEN): New.
829 (propagate_one_insn): Update mem_set_list_len.
830 (invalidate_mems_from_autoinc): Likewise.
831 (invalidate_mems_from_set): Likewise.
832 (mark_used_regs): Likewise.
833 (init_propagate_block_info): Likewise. Stop collecting memories
834 when we reach MAX_MEM_SET_LIST_LEN.
835 (mark_set_1): Likewise.
837 2001-01-16 Richard Henderson <rth@redhat.com>
839 * unroll.c (precondition_loop_p): Fail if no iteration
842 2001-01-16 Phil Edwards <pme@sources.redhat.com>
844 * gcc.c: When -fsyntax-only is given, do not complain about
847 2001-01-15 Richard Henderson <rth@redhat.com>
849 * config/i386/i386.c (asm_output_function_prefix): Remove.
850 (ix86_asm_file_end): New.
851 (load_pic_register): Generate pic_label_name into a
852 staticly allocated buffer.
853 * config/i386/i386-protos.h: Update.
854 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
856 * config/i386/i386afe.h: New file.
857 * config.gcc (i?86-*-elf) [tm_file]: Use it.
858 (i?86-*-{freebsd,linux*,moss*}): Likewise.
859 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
860 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
861 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
862 * config/i386/sco5.h (ASM_FILE_END): Likewise.
863 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
865 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
867 * Makefile.in (install-man): Remove explicit dependency on
870 * configure.in, configure: Revert previous patch requiring perl
873 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
875 * toplev.c (flag_guess_branch_prob): New.
876 (f_options): Add guess-branch-probability option.
877 (rest_of_decl_compilation): Only estimate branch probability if
879 (main): set flag_guess_branch_prob.
881 * flags.h (flag_guess_branch_prob): New.
883 2001-01-15 DJ Delorie <dj@redhat.com>
885 * gcc.texi (Makefile): Add documentation for Makefile targets.
887 2001-01-15 Philip Blundell <philb@gnu.org>
889 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
891 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
892 (is_pic): Delete declaration.
893 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
894 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
895 * config/arm/arm.md (builtin_setjmp_receiver): New.
897 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
899 * arm.c (use_return_insn): Don't try to determine the function type
900 until after reload has completed.
901 (arm_output_epilogue): Don't adjust the sp value recovered from the
903 (emit_multi_reg_push): Don't record dwarf information for the pc.
904 * arm.md (eh_epilogue): The function type may have changed, so it
905 needs to be recalculated.
906 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
907 unwind tables on arm/netbsd.
909 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
911 * arm.md (cbranchsi4): Correct calculation of branch ranges.
912 (negated_cbranchsi4): Likewise.
914 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
916 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
917 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
918 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
919 pass -mapcs-* options to assembler.
920 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
921 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
922 (ASM_SPEC): Call subtarget_extra_asm_spec.
924 2001-01-15 Andreas Jaeger <aj@suse.de>
926 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
928 (ix86_expand_builtin): Likewise.
930 * gencodes.c (output_predicate_decls): Make i size_t to avoid
931 warning about comparison between signed and unsigned.
933 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
935 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
937 2001-01-14 Ralf Baechle <ralf@gnu.org>
939 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
940 SUBTARGET_CPP_SPEC apropriatly.
942 2001-01-12 Mark Mitchell <mark@codesourcery.com>
944 * varasm.c (make_decl_rtl): Fix typo in last change.
946 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
948 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
949 linker supports the init_priority C++ attribute.
950 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
951 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
952 linker does not support init_priority C++ attribute.
954 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
956 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
958 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
960 * c-parse.in (finish_parse): Add comment about cpp_destroy.
961 * cp/lex.c (finish_parse): Similarly.
962 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
963 Return the number of errors encountered.
964 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
965 * cppmain.c (main): Don't call cpp_destroy.
967 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
969 * configure.in: Require at least perl 5.6.0 to regenerate
971 * configure: Regenerate.
973 2001-01-14 Richard Henderson <rth@redhat.com>
975 * genrecog.c (DT_veclen_ge): New.
976 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
977 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
978 (nodes_identical_1): Handle DT_veclen_ge.
979 (write_cond, debug_decision_2): Likewise.
981 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
983 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
985 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
987 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
989 * cppmain.c (do_preprocessing): New function; most of the old
991 (main): Call it to do most of the work.
992 (cb): Move from global scope to set_callbacks ().
993 (setup_callbacks): Get the callback pointer.
994 (general_init, printer_init): Clean up code and comments.
996 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
998 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
1001 2001-01-14 Kazu Hirata <kazu@hxi.com>
1003 * config/h8300/h8300.c (get_shift_alg): Update comments.
1005 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1007 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
1008 (alloc_page, ggc_alloc): Add casts to remove warnings.
1010 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
1012 * combine.c (simplify_comparison): Don't change `code' when
1013 can't reverse comparison.
1015 2001-01-14 Richard Henderson <rth@redhat.com>
1017 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
1018 update all call sites. Return true for all non-label constants.
1020 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
1022 * i386.c (ix86_expand_compare): Add bypass_test and second_test
1024 (ix86_expand_branch): Update.
1025 (ix86_expand_setcc): Update to handle multiple test conditions.
1026 (expand_int_movcc): Likewise.
1027 (expand_fp_movcc): Likewise.
1028 * i386-protos.h (ix86_expand_compare): New.
1029 * i386.md (andqi_?_slp, orqi_?_slp): New.
1030 (conditional trap expander): Update call to ix86_expand_compare.
1032 2001-01-14 Richard Henderson <rth@redhat.com>
1034 * config/vax/vax.md: Use nonimmediate_operand instead of
1035 general_operand in destinations.
1037 * config/vax/vax.md (indirect_jump): Use register_operand.
1039 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
1040 * config/vax/vax.md (call_pop): Turn into an expander.
1041 (call_value_pop): Likewise.
1042 (call, call_value): New.
1044 2001-01-14 Andreas Jaeger <aj@suse.de>
1046 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
1048 (ix86_fp_compare_mode): Add unused attribute.
1049 (ix86_expand_fp_movcc): Remove unused variable.
1050 (ix86_expand_builtin): Make fcode unsigned.
1052 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
1053 (expand_expr): Add cast to avoid signed warning.
1054 (store_field): Likewise.
1055 (store_constructor_field): Likewise.
1056 (store_constructor): Likewise.
1057 (store_expr): Likewise.
1058 (clear_storage): Likewise.
1059 (emit_group_store): Likewise.
1060 (emit_group_load): Likewise.
1062 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1064 * c-common.c: Move format checking code to ...
1065 * c-format.c: ... here. New file. Reorder some functions and
1067 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
1069 * c-common.h (decl_handle_format_attribute,
1070 decl_handle_format_arg_attribute): Declare.
1071 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
1072 (c-common.o): Adjust dependencies.
1073 (c-format.o): New list of dependencies.
1075 2001-01-13 Jakub Jelinek <jakub@redhat.com>
1077 * unroll.c (loop_iterations): If we cannot prove iteration variable
1078 is set once in each iteration, punt.
1080 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
1082 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
1083 (*strlenhi): Remove clobber (which was buggy) of output address.
1085 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1087 * Makefile.in (generated-manpages): Add gcc.1
1088 ($(srcdir)/gcc.1): New target.
1089 (maintainer-clean): Delete $(srcdir)/gcc.1.
1090 * gcc.texi: Add macros @gccoptlist and @gol.
1091 * invoke.texi: Include option summary in manpage. Mark up option
1092 summary with @gccoptlist and @gol. Use @r in one place where
1094 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
1095 * gcc.1: Generate from invoke.texi.
1097 2001-01-13 Richard Henderson <rth@redhat.com>
1099 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
1100 (struct page_entry): Add group member.
1101 (struct page_group): New.
1102 (struct globals): Add page_groups member.
1103 (alloc_anon): Only define for using mmap; remove valloc call.
1104 (page_group_index): New.
1105 (set_page_group_in_use): New.
1106 (clear_page_group_in_use): New.
1107 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
1108 (free_page, release_pages): Likewise.
1109 * configure.in (with-gc): Default to ggc-page always.
1111 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1113 * reload1.c (replace_pseudos_in_call_usage): Use
1114 reg_equiv_constant and reg_equiv_address, and don't try
1115 regno_reg_rtx first.
1117 2001-01-13 Richard Henderson <rth@redhat.com>
1119 * ggc-page.c (alloc_page): Round up allocation size to one page.
1120 Set e->order on extra pages.
1122 2001-01-13 Richard Henderson <rth@redhat.com>
1124 * genrecog.c (nodes_identical): Expand commentary.
1125 (write_switch): Watch out for identical nodes.
1127 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1129 * cppfiles.c (_cpp_fake_include): New function.
1130 * cpphash.h (_cpp_fake_include): New.
1131 * cpplib.c (do_line): Call _cpp_fake_include when entering
1132 header files in preprocessed input.
1133 * cppmain.c (cb_pragma_implementation): Remove handling.
1134 (setup_callbacks): Don't register pragmas.
1136 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1138 * extend.texi: Udate for CPP.
1140 2001-01-13 Andreas Jaeger <aj@suse.de>
1142 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
1144 * regmove.c: Add prototype for replace_in_call_usage.
1146 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1148 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
1149 struct cpp_chunk, struct htab, struct toklist,
1150 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
1151 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
1152 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
1153 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
1154 (struct macro_args): Delete.
1155 * cpphash.h: See above.
1157 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1159 * cppmain.c (struct printer): Remove no_line_dirs.
1161 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
1162 : Use options rather than CPP_OPTION.
1163 (setup_callbacks): Use cb rather than pfile->cb.
1164 (main): No need to check for a buffer. Use cpp_errors.
1165 (printer_init): Don't set no_line_dirs.
1166 (maybe_print_line): Use options not no_line_dirs.
1167 (cb_file_change): Don't call print_line if -P.
1169 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1171 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
1173 * c-parse.in (finish_parse): Use cpp_errors.
1174 (__yylex): Use return value of cpp_pop_buffer.
1175 * cp/lex.c (finish_parse): Use cpp_errors.
1176 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
1178 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
1180 * README.AVR: URLs corrected.
1182 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1184 * c-decl.c (start_function): Don't warn if old prototype is builtin
1185 that's not in C's namespace.
1186 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
1187 (_bb): Add prototype for ctime.
1188 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
1190 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
1192 * i386.c (ix86_fp_comparison_arithmetics_cost,
1193 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
1194 ix86_fp_comparison_cost): New functions.
1195 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
1196 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
1197 two-branch sequences; make static.
1198 (ix86_use_fcomi_compare): Do decision according to the costs.
1199 (split_fp_branch): New.
1200 * i386.md (compare-and-branch patterns): Use split_fp_branch.
1201 * i386-protos.h (ix86_expand_fp_compare): Remove
1202 (ix86_split_fp_branch): Declare.
1204 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
1205 and ix86_comparison_operator.
1207 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
1210 * i386.c (put_condition_code): Output properly the unordered/ordered
1211 compares in fp case.
1212 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1214 * tm.texi (REVERSE_CONDITION): Document.
1215 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1216 in -ffast-math mode.
1217 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1219 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1221 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1223 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1226 * config/sh/sh.c (mova_p): Fix test for mova_const.
1228 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1230 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1231 cpp_get_options rather than dereferencing pfile and using
1233 * scan-decls.c (scan_decls): Use return value of
1234 cpp_pop_buffer rather than CPP_BUFFER.
1236 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1238 * cppinit.c (cpp_handle_option): help_only is now part of the
1239 cpp_options structure.
1240 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1241 cpp_set_callbacks): New functions.
1242 * cpplib.h (cpp_callbacks): Break out as a named structure.
1243 (cpp_options): Move help_only here from cpp_reader.
1244 (CPP_FATAL_ERRORS): Update to use cpp_errors.
1245 (cpp_errors, cpp_get_options, cpp_get_callbacks,
1246 cpp_set_callbacks): New prototypes.
1247 * cppmain.c (main): Update for help_only.
1249 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1251 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1252 Also build and remove and install and uninstall c-tree.info and
1254 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1255 ($(srcdir)/cppinternals.info): New target.
1256 * c-tree.texi: Change file name used when makeinfo used without -o
1257 from ir.info to c-tree.info. Add info directory entry.
1258 * cppinternals.texi: Add info directory entry.
1259 * .cvsignore: Update.
1261 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1263 * c-typeck.c (store_init_value): Don't require constant initializer
1264 elements with -pedantic -std=c99.
1265 (digest_init): Change error about non-constant initializer elements
1267 (constructor_range_end): Remove.
1268 (constructor_incremental, designator_depth,
1269 designator_errorneous): New variables.
1270 (struct constructor_stack): Remove range_end, add incremental.
1271 (struct constructor_range_stack, constructor_range_stack): New.
1272 (struct initializer_stack): Add constructor_range_stack.
1273 (finish_init): Set it.
1274 (start_init): Likewise. require_constant_elements for non-static
1275 trees only if not flag_isoc99.
1276 (really_start_incremental_init): Remove constructor_range_end, add
1277 constructor_incremental.
1278 (pop_init_level): Likewise.
1279 (push_init_level): Likewise. If implicit and the subobject had some
1280 value set already, preinitialize the level with it.
1281 Warn about missing braces only if not pushing due to designators.
1282 (set_designator, push_range_stack): New functions.
1283 (set_init_label): Use them.
1284 (set_init_index): Likewise. Remove constructor_range_end.
1285 Error if designator index is outside of array bounds.
1286 (add_pending_init): Compare values of purpose index trees, not the
1287 trees themselves. Allow overwriting of already initialized element.
1288 Issue a warning if it had side-effects.
1289 (set_nonincremental_init, set_nonincremental_init_from_string): New
1291 (pending_init_member): Rename to...
1292 (find_init_member): ...this function. Call set_nonincremental_init
1293 if necessary. Compare values of purpose index trees, not the trees
1294 themselves. Return the actual value, not just non-zero if something
1296 (output_init_element): Remove checks for duplicates.
1297 If field has zero size, only check the initializer for correctness.
1298 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1299 if constructor_incremental is zero. Change error about initializers
1300 not computable at load time into pedwarn.
1301 (output_pending_init_elements): Compare bit positions, not
1302 FIELD_DECLs to take into account zero-sized fields.
1303 (process_init_element): Use constructor_range_stack to fill all
1304 ranges in the designator lists from current level up.
1305 * extend.texi: Update documentation for labeled elements.
1307 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1309 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1310 to function usage for arguments passed by reference. Optimize
1311 callee-copied arguments.
1312 * regmove.c (replace_in_call_usage): New function.
1313 (fixup_match_1): Call it.
1314 * cse.c (cse_insn): Canonicalize registers in function usage.
1315 * reload1.c (replace_pseudos_in_call_usage): New function.
1318 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1321 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1323 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1326 2001-01-12 DJ Delorie <dj@redhat.com>
1328 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1329 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1332 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1334 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1335 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1336 -std options alongside references to -ansi. Update some
1337 documentation for C99.
1338 * cpp.1: Regenerate.
1340 2001-01-12 Andreas Jaeger <aj@suse.de>
1342 * haifa-sched.c (restore_line_notes): Remove argument block B
1344 * sched-ebb.c (schedule_ebb): Change caller.
1345 * sched-rgn.c (schedule_region): Likewise.
1346 * sched-int.h (restore_line_notes): Adjust prototype.
1348 * loop.h: Remove wrong declaration of doloop_condition_get.
1350 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1352 * extend.texi: Move C++-extension-related node from the C section
1353 into the C++ section.
1355 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1357 * extend.texi: Refer to an array of pointers to functions instead
1358 of one of functions.
1360 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1361 Jan Hubicka <jh@suse.cz>
1363 * combine.c (reversed_comparison): Fix typo in last patch.
1365 (combine_reversed_comparison_code): Make static to follow
1366 prototype declaration.
1368 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1370 * install.texi: Remove misplaced duplicate entry.
1372 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1374 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1376 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1378 * final.c: (leaf_function_p): Fix typo.
1380 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1382 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1383 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1385 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1386 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1387 mmap_anon, and valloc is available.
1388 * ggc-page.c: Restructure ifdef logic to match new autoconf
1389 spec. Don't throw away the test page in init_ggc.
1391 * configure, config.in: Regenerate.
1393 2001-01-12 Michael Hayes <mhayes@redhat.com>
1395 * loop.h (total_biv_increment): Constify iv_class pointer.
1396 (struct induction): Replace `mem_mode' with `mem' rtx.
1397 * unroll.c (total_biv_increment): Constify iv_class pointer.
1398 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1399 (find_mem_givs, combine_givs_p): Likewise.
1400 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1402 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1404 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1406 (__gthread_getspecific): Ditto.
1408 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1410 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1411 put_condition_code): Convert fp comparison codes to integer
1413 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1416 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1417 * i386-protos.h (no_comparison_operator): Kill.
1419 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1421 * combine.c (REVERSIBLE_CC_MODE): Remove.
1422 (reversible_comparison_p): Remove.
1423 (combine_reversed_comparison_code): New.
1424 (reversed_comparison): New.
1425 (combine_simplify_rtx): Use
1426 combine_reversed_comparison_code/reversed_comparison instead
1427 of reversible_comparison_p.
1428 (simplify_if_then_else): Likewise.
1429 (simplify_set): Likewise.
1430 (simplify_logical): Likewise.
1431 (if_then_else_cond): Likewise.
1432 (known_cond): Likewise.
1433 (simplify_comparison): Likewise.
1435 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1437 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1438 sizeof (int) is larger than sizeof(__word__).
1440 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1442 * cppinit.c (do_includes): Fix typo.
1444 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1446 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1447 in S_REGS does not occur because not all sources are possible
1448 when a S_REGS is a destination (sometimes needs a clobber).
1449 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1450 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1451 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1452 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1453 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1454 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1455 (lshrdi_const1, lshrsi3_const16): Likewise.
1456 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1457 (*movhi_68hc12, *movqi_68hc12): Likewise.
1458 (movstrictqi): Make sure reloading in D_REGS as a destination
1461 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1463 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1465 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1467 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1468 -D, -U and -A, and don't initialize the builtins.
1469 (do_includes): Error if -include or -imacros with -fpreprocessed.
1470 * cppmain.c (cb_define, cb_undef): Unconditionally process
1472 * tradcpp.c (main): Fix typo.
1474 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1476 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1477 (read_name_map): Use IS_ABSOLUTE_PATH.
1478 * tradcpp.c (get_filename): Likewise.
1480 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1482 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1483 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1484 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1485 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1486 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1487 (cmphi_z_used): Don't use '@' for the output.
1488 (tstqi_z_used): Likewise.
1489 (cmpqi_z_used): Likewise.
1490 (one_cmplsi2): Likewise.
1492 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1494 * config/sh/sh.c (barrier_align): Recognize branch around far
1495 branch and redundant insn.
1497 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1499 * invoke.texi: Restore documentation of the drivers' switches -MD
1502 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1504 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1506 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1507 check-objc//%): Support parallel testing of multilibs.
1508 (TESTSUITEDIR): Set to testsuite by default, but override for
1510 (check-gcc, check-g++, check-g77, check-objc): Enter
1513 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1515 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1516 * sched-deps.c (deps_may_trap_p): Likewise.
1517 * basic-block.h: Remove a comment.
1518 * flow.c (PROP_POSTRELOAD): Remove.
1519 (update_life_info): Don't add it to prop_flags.
1520 (mark_set_1): Lose the code that was enabled by it.
1522 2001-01-11 Michael Hayes <mhayes@redhat.com>
1524 * flow.c (flow_call_edges_add): New.
1525 * basic_block.h (flow_call_edges_add): New.
1527 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1529 * reload1.c (move2add_note_store): Update reg_set_luid even if
1530 base reg remains the same.
1532 2001-01-10 Nick Clifton <nickc@redhat.com>
1534 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1535 machine_function structure to zero.
1536 Add prototypes for machine_status functions.
1538 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1540 * c-common.h (CTI_VOID_LIST): Remove.
1541 (void_list_node): Likewise.
1542 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1543 (void_list_node): New macro.
1544 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1545 * config/i386/i386.c (ix86_init_builtins): Likewise.
1546 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1548 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1550 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1551 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1553 * tradcpp.c: Include mkdeps.h.
1554 (deps, print_deps_phony_targets, deps_append, output_deps,
1555 init_dependency_output, output_deps): New.
1556 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1557 deps_output): Delete.
1558 (print_deps_missing_files): Rename deps_missing_files.
1559 (inhibit_output): Make global.
1560 (main): Delete inhibit_output, deps_stream, deps_target.
1561 Use mkdeps functionality in the same way as cpplib. Remove
1562 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1563 -M and -MM. Remove old handling of deps via deps_out, and
1564 old reading of environment variables.
1565 (get_filename): Update to use deps_add_dep.
1567 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1569 * output.h (make_function_rtl): Remove prototype.
1570 (make_decl_rtl): Likewise.
1571 * varasm.c (make_function_rtl): Remove.
1572 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1573 than from a third parameter.
1574 * tree.h (make_decl_rtl): Remove last parameter.
1575 * c-decl.c (builtin_function): Remove last argument in call to
1576 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1577 (start_function): Likewise.
1578 * except.c (call_get_eh_context): Likewise.
1579 * expr.c (emit_block_move): Likewise.
1580 (clear_storage): Likewise.
1581 * profile.c (output_func_start_profiler): Likewise.
1582 * toplev.c (rest_of_decl_compilation): Likewise.
1583 * objc/objc-act.c (create_builtin_decl): Likewise.
1584 (synth_module_prologue): Likewise.
1585 (generate_static_reference): Likewise.
1586 (build_selector_reference_decl): Likewise.
1587 (build_class_reference_decl): Likewise.
1588 (build_objc_string_decl): Likewise.
1589 (build_protocol_reference): Likewise.
1591 2001-01-10 Richard Henderson <rth@redhat.com>
1593 * hwint.h: Revert yesterday's change.
1595 2001-01-10 Nick Clifton <nickc@redhat.com>
1597 * function.h (save_machine_status): Delete.
1598 (restore_machine_status): Delete.
1599 Amend comment describing {init|mark|free}_machine_status.
1601 * function.c (save_machine_status): Delete.
1602 (restore_machine_status): Delete.
1603 Amend comment describing {init|mark|free}_machine_status.
1604 (push_function_context_to): Remove invocation of
1605 save_machine_status.
1606 (pop_function_context_from): Remove invocation of
1607 restore_machine_status.
1609 * emit-rtl.c (init_emit_once): Amend comment describing
1610 {init|mark|free}_machine_status.
1612 * tm.texi (Per-Function Data): New node. Describe the
1613 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1616 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1618 * cppinit.c (OPT_g): Remove.
1619 (cpp_handle_option): Update for removed -g3.
1620 (print_help): Update.
1621 * cpplib.h (struct cpp_options): Remove debug_output.
1622 * cppmain.c (setup_callbacks, cb_define): Update.
1623 * gcc.c (cpp_options): Translate -g3 to -dD.
1625 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1627 * config/i960/i960.md: Change modifier to + on the zero_extract
1628 pattern after the (rotate -2 reg) canonicalization pattern.
1630 2001-01-10 Richard Henderson <rth@redhat.com>
1632 * config/alpha/alpha.c (alpha_free_machine_status): New.
1633 (override_options): Install it.
1634 (alpha_mark_machine_status): Verify machine non-null.
1635 * config/i386/i386.c (ix86_free_machine_status): New.
1636 (override_options): Install it.
1637 (ix86_init_machine_status): Use xcalloc.
1638 (ix86_mark_machine_status): Verify machine non-null.
1639 * config/ia64/ia64.c (ia64_free_machine_status): New.
1640 (ia64_override_options): Install it.
1641 (ia64_mark_machine_status): Verify machine non-null.
1643 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1645 * function.c (instantiate_virtual_regs): Instantiate virtual
1646 registers found in CALL_INSN_FUNCTION_USAGE.
1648 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1650 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1651 equivalent to -ansi in disabling -Di386.
1653 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1655 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1657 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1659 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1661 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1663 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1665 * invoke.texi: Document that -fcond-mismatch isn't supported for
1668 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1670 * gcc.texi: Define macro gcctabopt.
1671 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1672 @command, @env and @option in some places where appropriate. Use
1673 @gcctabopt where appropriate. Put URLs and email addresses inside
1676 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1678 * gcc.c (cpp_options): Set MD file name from output
1679 filename, if specified.
1680 (suffix_subst): New static variable.
1681 (do_spec): Clear it.
1682 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1684 (give_switch): Handle suffix_subst.
1686 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1688 * invoke.texi: Fix another typo.
1690 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1692 * invoke.texi: Fix typo.
1694 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1696 * c-lang.c (lang_hooks): Update.
1697 (lang_decode_option): Remove.
1698 (lang_init_options): Rename c_init_options.
1699 * toplev.c (main): Use lang_hooks for lang_init_options
1700 and lang_decode_option.
1701 * toplev.h (lang_hooks): Add 2 new hooks.
1702 * tree.h: Remove lang_init_options and lang_decode_option.
1703 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1704 * cp/decl2.c: Similarly.
1705 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1706 (lang_hooks): Update.
1707 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1709 (lang_init_options): Rename ffe_init_options.
1710 (lang_hooks): Update.
1711 (lang_decode_option): Remove.
1712 * java/lang.c (lang_init_options): Rename java_init_options.
1713 (lang_decode_option): Rename java_decode_option.
1714 (lang_hooks): Update.
1715 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1716 (lang_decode_option): Rename objc_decode_option.
1717 (lang_hooks): Update.
1719 2001-01-09 Nick Clifton <nickc@redhat.com>
1721 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1722 (d30v_return_addr_rtx): Delete.
1723 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1724 cfun->machine structure.
1725 (struct machine_function): Move to d30v.h
1726 (d30v_save_machine_status): Delete.
1727 (d30v_restore_machine_status): Delete.
1728 (d30v_init_machine_status): New Function.
1729 (d30v_mark_machine_status): New Function.
1730 (d30v_free_machine_status): New Function.
1731 (d30v_init_expanders): Use new functions.
1732 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1733 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1734 d30v_return_addr_rtx.
1736 * config/d30v/d30v.h (struct_machine): Move here.
1737 Add eh_epilogue_sp_ofs field.
1739 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1740 field in cfun->machine structure.
1742 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1744 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1745 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1746 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1748 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1750 * objc/lang-options.h: Remove bogus reference to
1753 2001-01-09 Kazu Hirata <kazu@hxi.com>
1755 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1758 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1760 * reload.c (find_reloads_address): Check for eliminable registers
1761 when substituting a constant expression for a pseudo.
1763 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1765 * c-common.c (enum format_type): Add format_type_error.
1766 (decode_format_type): New function.
1767 (decl_attributes): Use it.
1768 (format_kind_info): Adjust comment.
1770 2001-01-09 David O'Brien <obrien@BSDi.com>
1772 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1773 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1775 * config/i386/gnu.h: Don't include required platform specific .h files,
1776 tm.h will do it instead.
1777 * config/i386/i386elf.h: Likewise.
1778 * config/i386/linux.h: Likewise.
1779 * config/i386/moss.h: Likewise.
1780 * config/mips/gnu.h: Likewise.
1782 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1784 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1785 (rs6000-ibm-aix3.[01]*): Likewise.
1786 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1787 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1788 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1789 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1790 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1791 (powerpc-*-eabiaix*): Likewise.
1792 (powerpc-*-eabisim*): Likewise.
1793 (powerpc-*-elf*): Likewise.
1794 (powerpc-*-eabi*): Likewise.
1795 (powerpc-*-rtems*): Likewise.
1796 (powerpc-*-linux*libc1): Likewise.
1797 (powerpc-*-linux*): Likewise.
1798 (powerpc-wrs-vxworks*): Likewise.
1799 (powerpcle-wrs-vxworks*): Likewise.
1800 (powerpcle-*-sysv*): Likewise.
1801 (powerpcle-*-elf*): Likewise.
1802 (powerpcle-*-eabisim*): Likewise.
1803 (powerpcle-*-eabi*): Likewise.
1804 (powerpcle-*-solaris2*): Likewise.
1805 * config/rs6000/aix31.h: Delete includes.
1806 * config/rs6000/aix3newas.h: Likewise.
1807 * config/rs6000/aix41.h: Likewise.
1808 * config/rs6000/aix43.h: Likewise.
1809 * config/rs6000/beos.h: Likewise.
1810 * config/rs6000/rtems.h: Likewise.
1811 * config/rs6000/sysv4.h: Likewise.
1813 2001-01-09 Kazu Hirata <kazu@hxi.com>
1815 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1816 Change an argument mode of machine_mode to shift_mode of
1817 shift_mode. Remove an extra error check.
1818 (emit_a_shift): Adopt to the new calling prototype of
1820 (function_prologue): Fix code for a monitor
1821 function. Support H8/S.
1822 (function_epilogue): Do not output pop for a monitor function.
1824 2001-01-09 Nick Clifton <nickc@redhat.com>
1826 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1827 (setup_incoming_varargs): Use sysv_varargs_p field of the
1828 cfun->machine structure.
1829 (struct machine_function): Move to rs6000.h
1830 (rs6000_save_machine_status): Delete.
1831 (rs6000_restore_machine_status): Delete.
1832 (rs6000_init_machine_status): New Function.
1833 (rs6000_free_machine_status): New Function.
1834 (rs6000_init_expanders): Use new functions.
1836 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1838 (struct machine_function): Move here.
1840 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1841 sysv_varargs_p field of the cfun->machine structure.
1843 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1845 (rs6000_restore_machine_status): Remove prototype.
1847 2001-01-09 Richard Henderson <rth@redhat.com>
1849 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1850 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1851 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1852 (sched_analyze_2, sched_analyze_insn): Likewise.
1853 (sched_analyze, init_deps): Likewise.
1854 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1855 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1856 (compute_block_backward_dependences): Update propagate_deps call.
1858 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1860 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1862 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1864 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1865 (cpp_handle_option): Handle them.
1866 (cpp_post_options): Ensure one of -M or -MM is specified with
1867 any other -M? option.
1868 (init_dependency_output): Suppress output with -MG.
1870 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1873 * invoke.texi: Update.
1875 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1877 * sh.md (reload_outsf): Generate recognizable patterns for
1880 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1882 * c-lang.c (lang_hooks): Update.
1883 (lang_init): Rename c_init.
1884 (lang_finish): Remove.
1885 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1887 * toplev.h (lang_hooks): Add init () and finish ().
1888 * tree.h (lang_init, lang_finish): Remove.
1889 * cp/tree.h (lang_init, lang_finish): Remove.
1890 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1891 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1893 (lang_init, lang_finish): Remove.
1894 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1895 (lang_hooks): Update.
1896 * java/lang.c (lang_init): Rename java_init.
1897 (lang_finish): Remove.
1898 (lang_hooks): Update.
1899 * objc/objc-act.c (lang_init): Rename objc_init.
1900 (lang_finish): Remove.
1901 (lang_hoooks): Update.
1903 20001-01-09 Graham Stott <grahams@redhat.com>
1905 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1906 after `ptr` is initialised.
1908 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1910 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1911 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1912 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1913 stack adjusts, instead of r3.
1915 2001-01-09 Michael Hayes <mhayes@redhat.com>
1917 * flow.c (flow_loop_scan): Break out of ...
1918 (flow_loops_find) ... here.
1919 * basic-block.h (flow_loop_scan): New.
1920 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1921 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1923 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1925 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1927 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1928 realloc()ing macro_buffer.
1930 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1931 if it's wider than long and the target's long is wider than the
1934 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1936 Remove support for using UWIN as a host machine.
1937 * configure.in: Issue an error message.
1938 * configure: Regenerated.
1939 * config.gcc: Remove xm_* UWIN configury.
1940 * config/i386/xm-uwin.h: Remove.
1942 2001-01-08 Nick Clifton <nickc@redhat.com>
1944 * config/v850/v850.c (ra_rtx): Delete.
1945 (v850_save_machine_status): Delete.
1946 (v850_restore_machine_status): Delete.
1947 (v850_init_machine_status): New function.
1948 (v850_mark_machine_status): New function.
1949 (v850_free_machine_status): New function.
1950 (v850_return_addr): Use ra_rtx field in machine structure.
1951 (v850_init_expanders): Use new functions.
1953 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1954 * config/v850/v850.c: Change arguments to v850_output+* functions
1955 to take a const char *, to avoid compile time warning.
1956 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1957 (USER_LABEL_PREFIX): Redefine.
1959 2000-01-08 Jim Wilson <wilson@redhat.com>
1961 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1962 1 to unsigned HOST_WIDE_INT before left shift.
1964 2001-01-08 Nick Clifton <nickc@redhat.com>
1966 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1967 the machine structure has been allocated.
1968 (arm_free_machine_status): New function: Free the machine
1969 specific function structure.
1971 2001-01-08 Richard Henderson <rth@redhat.com>
1973 * jump.c (simplejump_p): Revert last change.
1975 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1977 * cppinit.c (init): Rename init_library.
1978 (cpp_create_reader): Update.
1979 * gcc.c (cpp_options): If -o given, use it as the target of
1982 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1984 * arm.c (arm_arch5e): New variable.
1985 (all_cores): XScale is a 5TE device.
1986 (arm_override_options): Set arm_arch5e.
1987 (arm_init_builtins): __builtin_prefetch is in arch5e.
1988 * arm.h (arm_arch5e): Declare it.
1990 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1992 * arm.md (define_constants): Add defines for UNSPEC and
1993 UNSPEC_VOLATILE insns. Update all users.
1994 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1995 * arm.c (multi_register_push, note_invalid_constants)
1996 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1997 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1998 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
2000 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
2002 * jump.c (jump_optimize_1): Use reversed_comparison_code
2003 instead of can_reverse_comparison_p.
2004 (jump_back_p): Likewise.
2005 (invert_exp_1): Likewise.
2006 (thread_jumps): Likewise.
2007 * simplify-rtx.c (simplify_unary_operation): Likewise.
2008 (simplify_ternary_operation): Likewise.
2009 * cse.c (find_comparison_args): Convert to use
2010 can_reverse_comparison_p.
2011 (record_jump_equiv): Likewise.
2013 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2015 * arm.h (HARD_REGNO_RENAME_OK): Delete.
2016 (EPILOGUE_USES): Define.
2017 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
2018 automatically stack the LR if it isn't live.
2020 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
2022 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
2025 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
2027 * ggc-page.c (max_alignment): New structure.
2028 (MAX_ALIGNMENT): New macro.
2029 (init_ggc): Use it to round up the sizes in the
2030 extra_order_size_table.
2032 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2034 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
2037 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2039 * builtins.def (BUILT_IN_FPRINTF): New entry.
2041 * c-common.c (c_expand_builtin_fprintf): New function.
2042 (init_function_format_info): Handle __builtin_fprintf.
2043 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
2044 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
2046 * c-decl.c (duplicate_decls): Adjust comment.
2048 * extend.texi (fprintf): Document new builtin.
2050 2001-01-07 Richard Henderson <rth@redhat.com>
2052 * jump.c (simplejump_p): Recognize any single_set jump
2055 2001-01-07 Richard Henderson <rth@redhat.com>
2057 * configure.in (slibdir): Accept an --with-slibdir option.
2058 Use "test" not "[" in configure. Default to $(libdir).
2060 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
2062 * config/t-aix43 (SHLIB_INSTALL): Likewise.
2063 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
2064 (SHLIB_LINK): Create links for the soname.
2065 * config/mips/t-iris6: Likewise.
2066 * config/sparc/t-slibgcc: Likewise.
2067 * config/sparc/t-slibgcc-sld: Likewise.
2069 2001-01-07 Jakub Jelinek <jakub@redhat.com>
2071 * config/i386/i386.c (constant_call_address_operand): Accept
2072 (const (plus (symbol_ref) (const_int))).
2073 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
2074 constant_call_address_operand.
2076 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2078 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
2079 and LONG_LONG_TYPE_SIZE > 32.
2081 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2083 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
2084 the previous change.
2086 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
2088 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
2090 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
2091 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
2092 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
2095 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2097 * fix-header.c (read_scan_file): s/pfile/scan_in/.
2099 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2101 * c-lang.c (c_post_options): Call cpp_post_options.
2102 * objc/objc-act.c (objc_post_options): Similarly.
2103 * cppmain.c (main): Similarly.
2104 * fix-header.c (read_scan_file): Similarly.
2105 * cppinit.c (cpp_start_read): Move option consistency checks
2106 to cpp_post_options. Don't call init_dependency_output.
2107 If needed, add default target and main file dependency.
2108 (OPT_MD, OPT_MMD): Remove.
2110 (cpp_handle_option): Update for OPT_* changes.
2111 (cpp_post_options): New.
2112 (init_dependency_output): Command line -MF overrides environment
2113 variables. Don't set default target etc. Suppress output
2114 if dependencies are going to stdout.
2115 (print_help): Update.
2116 * cpplib.h (cpp_post_options): New.
2117 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
2119 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
2121 * jump.c (comparison_dominates_p): Support unordered compares.
2123 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
2125 * simplify-rtx.c (simplify_relational_operation): Always simplify
2126 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
2129 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
2131 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
2132 (nonzero_bits): Likewise.
2133 (simplify_comparison): Likewise.
2134 (num_sign_bit_copies): Likewise; return more sane value depending
2135 on STORE_FLAG_VALUE.
2136 (known_cond): Do not assume EQ to be always true for equivalent
2139 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
2141 * cse.c (fold_rtx): Handle unordered comparisons.
2143 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
2145 * rtlanal.c (set_of_1): New static function.
2146 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
2147 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
2148 reg_set_last_last_regno): Remove.
2149 (set_of): New global function.
2150 (set_of_data): New structure.
2151 (reg_set_p, reg_set_last): Revamp for set_of.
2152 * rtl.h (set_of): New.
2154 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
2156 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
2157 * extend.texi: Document _Exit builtin.
2159 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2161 * (initialize, initialize_builtins,
2162 initialize_dependency_output, initialize_standard_includes):
2163 Rename s/initialize/init. Update.
2164 (init_dependency_output): Move to after
2165 cpp_handle_options, the correct location temporally at least.
2166 (opt_comp): Move next to init (), its caller. Fix prototype.
2167 (init): Make "initialized" local scope.
2168 (cpp_create_reader): Always call init ().
2169 (cpp_start_read): Update.
2170 (output_deps): New function, broken out of cpp_finish.
2171 (cpp_finish): Break out output_deps.
2173 2001-01-07 Richard Henderson <rth@redhat.com>
2175 * collect2.c (COFF specific stuff): Revert 12-06 patch
2176 to prototype system functions.
2178 2001-01-07 Michael Hayes <mhayes@redhat.com>
2180 * hard-reg-set.h: Add multiple include guard.
2181 * basic-block.h (struct loop): Add `sink' field.
2182 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
2183 (emit_iv_add_mult): Delete.
2184 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
2185 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
2186 (unroll_loop): Remove end_insert_before argument.
2187 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
2188 (maybe_eliminate_biv_1): Likewise.
2189 (emit_iv_add_mult): Delete.
2190 (gen_add_mult, loop_regs_update): New.
2191 (loop_insn_emit_after, loop_insn_emit_before): New.
2192 (loop_insn_sink, loop_insn_sink_or_swim): New.
2193 (emit_iv_add_mult): Delete.
2194 (scan_loop): Set loop->sink.
2195 (loop_givs_reduce): Use loop_insn_sink and its ilk.
2196 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
2197 (maybe_eliminate_biv_1): Likewise.
2198 (maybe_eliminate_biv_1): Add basic block argument.
2199 * unroll.c (unroll_loop): Remove end_insert_before argument.
2200 (find_splittable_regs): Likewise.
2201 (find_splittable_regs): Use loop_insn_sink and its ilk.
2202 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2204 2001-01-07 Michael Hayes <mhayes@redhat.com>
2206 * loop.h (loop_insn_hoist): New prototype.
2207 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
2208 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
2209 (check_dbra_loop, load_mems): Likewise.
2210 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
2211 (find_splittable_givs): Likewise.
2213 2001-01-07 Michael Hayes <mhayes@redhat.com>
2215 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2217 2001-01-07 Richard Henderson <rth@redhat.com>
2219 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2221 2001-01-07 Richard Henderson <rth@redhat.com>
2223 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2224 NO_SHARED_LIBGCC_MULTILIB as required for the target.
2225 * gcc.c (init_spec): Massage the existing libgcc_spec into a
2226 variant that handles a shared libgcc.
2227 (process_command): Always validate -{static,shared}-libgcc.
2228 (do_spec_1): New 'M' case.
2229 * invoke.text (Link Options): Document -{static,shared}-libgcc.
2231 2001-01-07 Richard Henderson <rth@redhat.com>
2233 * Makefile.in (slibdir): New variable.
2234 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2235 (installdirs): Create slibdir.
2236 (install-libgcc, install-multilib): Defer to libgcc.mk.
2237 * configure.in (slibdir): Substitute.
2238 * mklibgcc.in (install): New target.
2240 * config/t-linux (SHLIB_LINK): Create links for the soname.
2241 (SHLIB_INSTALL): New.
2242 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2243 * config/mips/t-iris6 (SHLIB_INSTALL): New.
2244 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2245 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2246 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2248 2001-01-07 Richard Henderson <rth@redhat.com>
2250 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2251 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2252 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2254 2001-01-07 Michael Hayes <mhayes@redhat.com>
2256 * loop.c (count_loop_regs_set): Delete.
2257 (load_mems_and_recount_loop_regs_set): Delete.
2258 (loop_regs_scan): Merge common code from count_loop_regs_set,
2259 scan_loop, and load_mems_and_recount_loop_regs_set.
2260 (scan_loop): Call load_mems directly and loop_regs_scan
2261 again if new registers created.
2263 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2265 * toplev.c (main): Call the front-end specific post_options
2266 hook if one is given.
2267 * toplev.h (struct_lang_hooks, lang_hooks): New.
2268 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2269 for the C front end.
2270 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2271 lang_hooks for the C++ front end.
2272 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2273 lang_hooks for the ObjC front end.
2274 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2275 * java/lang.c (lang_hooks): Hooks for the Java front end.
2277 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2279 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2280 for verbose DWARF[2] debugging.
2281 (cb_define, cb_undef): The new callbacks.
2282 * toplev.h (debug_define, debug_undef): Make const correct.
2283 * toplev.c (debug_define, debug_undef): Similarly. Do not
2284 perform the verbosity tests here anymore.
2286 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2288 * reload.c (subst_reloads): Take INSN argument. When
2289 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2290 * reload.h (subst_reloads): Adjust prototype.
2291 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2292 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2293 present in JUMP_INSNs and copy them to JUMP_LABEL.
2294 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2295 JUMP_INSNs and insns with REG_LABELs that are followed by
2296 JUMP_INSNs with the same REG_LABEL.
2297 * sched-rgn.c (is_cfg_nonregular): Likewise.
2298 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2300 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2302 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2304 2001-01-06 Richard Henderson <rth@redhat.com>
2306 * loop.c (scan_loop): Use xcalloc for the regs array.
2307 (load_mems_and_recount_loop_regs_set): Zero the new memory
2308 received from xrealloc.
2310 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2312 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2314 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2316 * integrate.c (copy_rtx_and_substitute): When copying
2317 an ignored return value, strip REG_FUNCTION_VALUE_P.
2319 2001-01-06 Michael Hayes <mhayes@redhat.com>
2321 * loop.c (debug_biv, debug_giv): New.
2322 (loop_biv_dump): Break out from ...
2323 (record_biv): ... here.
2324 (loop_giv_dump): Break out from ...
2325 (record_giv): ... here.
2326 (loop_bivs_check): Use print_simple_rtl.
2327 * unroll.c (loop_iterations): Use print_simple_rtl.
2329 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2331 * pa.md (return, return_internal): Modify patterns to prevent regrename
2332 mucking with the return pointer.
2334 2001-01-05 Richard Henderson <rth@redhat.com>
2336 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2338 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2340 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2341 version supplied by Matteo Frigo.
2343 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2345 * cpp.texi: Update for -MQ.
2346 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2347 (cpp_cleanup): Always free pfile->deps.
2348 (initialize_dependency_output): Don't create pfile->deps.
2349 (cpp_handle_option): Similarly.
2351 * gcc.c (cpp_options): Handle -MQ.
2352 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2353 * mkdeps.c (base_name): Remove.
2354 (deps_init): Don't allocate vector space until it's needed.
2355 (deps_free): Only free vectors if allocated.
2356 (deps_add_target, deps_add_dep): Update for initial allocation.
2357 (deps_add_default_target): Don't strip to the base_name.
2359 2001-01-05 DJ Delorie <dj@redhat.com>
2361 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2362 (INIT_EXPANDERS): Define.
2364 * config/v850/v850.c (struct machine_function): Define.
2365 (v850_save_machine_status): New function.
2366 (v850_restore_machine_status): New function.
2367 (v850_return_addr): New function.
2368 (v850_init_expanders): New function.
2370 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2371 and v850_init_expanders.
2373 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2375 * cpplib.h (struct cpp_reader): Add help_only field.
2376 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2377 (cpp_handle_option): Set pfile->help_only if we see -h,
2378 --help, -target-help, or --version. Print version string but
2379 do not set help_only if we see -v or -version. Make text
2380 printed by -v match that printed by (-)-version.
2382 * cppmain.c (main): Exit after option parsing if
2383 pfile->help_only is true.
2385 * toplev.c (independent_decode_option): Call print_version,
2386 then exit, if we see --version (but not -version).
2387 (print_version): Split lengthy message into two lines.
2389 2001-01-05 Nick Clifton <nickc@redhat.com>
2391 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2392 temporary string for initialisation before calling ggc_alloc_string.
2394 2001-01-06 Michael Hayes <mhayes@redhat.com>
2396 * rtl.h (print_simple_rtl): New.
2397 * print-rtl.c (print_simple_rtl): New.
2399 (print_rtx): Disable printing of flags and modes, etc.,
2400 if `flag_simple` nonzero.
2402 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2404 * function.c (fixup_var_refs): Use push_to_full_sequence where
2407 2001-01-05 Michael Meissner <meissner@redhat.com>
2409 * flags.h (flag_reorder_blocks): Add declaration.
2410 (flag_rename_block): Ditto.
2412 2001-01-05 DJ Delorie <dj@redhat.com>
2414 * function.c (reorder_blocks): Make sure the flags are all reset
2415 before using them to mark blocks, else a second invocation will
2416 corrupt the block chain.
2417 (reorder_blocks_0): New, resets the flags.
2419 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2421 * cse.c (find_comparison_args): Stop if the argument is known to
2424 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2426 * config/sh/sh.md (movdf): When splitting load into pair of
2427 registers, don't clobber the register used in the address too
2430 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2432 * varasm.c (mark_constant_pool): Improve initial comments.
2433 (mark_constants): Move marking of constants to mark_constant.
2434 (mark_constant): New function to recursively mark all constants
2435 referred to by a constant.
2437 2001-01-05 Catherine Moore <clm@redhat.com>
2439 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2441 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2443 * cp/lang-options.h: Bring comment in line with reality.
2444 * f/lang-options.h: Likewise.
2445 * java/lang-options.h: Likewise.
2446 * objc/lang-options.h: Likewise.
2447 * ch/lang-options.h: Likewise.
2448 * f/g77.texi: And update the manual.
2450 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2451 Denis Chertykov <denisc@overta.ru>
2453 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2454 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2455 * config/avr/avr.md (all peepholes that request a scratch register):
2456 Call it, FAIL the peephole if not safe (in interrupt functions).
2458 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2460 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2462 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2464 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2466 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2467 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2468 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2469 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2470 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2472 * extend.texi: Document these builtins.
2474 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2476 * c-common.c (lang_get_alias_set): Say we know nothing of
2477 VECTOR_TYPE aliasing.
2479 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2481 2001-01-05 Bruce Korb <bkorb@gnu.org>
2483 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2484 their x* equivalent versions for atexit-less systems
2485 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2486 systems (or any other system any more).
2488 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2490 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2491 output operands. Use arm_hard_register_operand for operand 4.
2492 (stmsi_postinc): Similarly.
2493 (ldmsi): Use arm_hard_register_operand for opernand 2.
2495 * arm.c (arm_hard_register_operand): New function.
2496 * arm-protos.h (arm_hard_register_operand): Prototype it.
2498 * arm.h (HARD_REGNO_RENAME_OK): Define.
2500 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2502 * simplify-rtx.c (cfc_args): add "unordered" field.
2503 (check_fold_consts): Set unordered field.
2504 (simplify_relational_operation): Simplify the unordered
2507 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2510 * emit-rtl.c (try_split): Fix code to mark labels.
2511 * jump.c (mark_jump_label): Make global.
2512 * rtl.h (mark_jump_label): Declare.
2514 * predict.c (estimate_probability): Handle unordred comparisons.
2516 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2518 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2519 * cppinit.c (initialize_dependency_output): Update.
2520 (cpp_finish): Output dummy targets for -MP.
2522 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2523 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2524 * gcc.c (cpp_options): Update to handle -MP.
2525 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2526 to quote only the default target.
2527 (deps_phony_targets): Insert a preceding newline. Rename from
2528 deps_dummy_targets for consistency.
2531 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2533 * calls.c (emit_library_call_value_1): Support
2534 INIT_CUMULATIVE_LIBCALL_ARGS.
2535 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2537 2001-01-04 Richard Henderson <rth@redhat.com>
2539 * c-decl.c (finish_struct): Detect flexible array members
2540 used in an inappropriate context.
2541 * c-typeck.c (really_start_incremental_init): Special case
2542 constructor_max_index for zero length arrays.
2543 (pop_init_level): Allow initialization of flexible array
2544 members. Deprecate initialization of zero length arrays.
2545 Don't issue missing initializer warning for flexible array
2546 members or zero length arrays.
2547 (process_init_element): Don't dereference null DECL_SIZE.
2548 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2549 Don't abort for empty constructors. Use size_binop
2550 (output_constructor): Add commentary regarding zero length
2551 array futures. Abort if we try to initialize an array of
2552 unspecified length with a non-empty constructor in the middle
2555 * extend.texi (Zero Length): Update and clarify documentation
2556 on static initialization.
2558 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2560 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2561 with more than 32767 words of local storage.
2563 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2565 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2566 for 'abs', 'labs', and 'fabs'.
2567 (c4x_expand_builtin): Likewise.
2568 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2570 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2572 * config/sh/sh.md (prget, prset): New insn types.
2573 (return delay slot): Dont' allow prset.
2574 (call, sfunc delay slot): Don't allow prget.
2575 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2576 for prset and prget.
2578 2001-01-05 Michael Hayes <mhayes@redhat.com>
2580 * loop.h (struct loop_reg): New.
2581 (struct loop_regs): Change to use array of `struct loop_reg'.
2582 * loop.c: Replace assortment of varrays with single regs array.
2583 (count_one_set): Delete may_not_move array argument
2584 and use regs array instead. All caller's changed.
2585 (count_loop_regs_set): Delete may_not_move and single_usage
2586 arguments and use regs array instead. All caller's changed.
2587 (find_single_use_in_loop): Replace usage array argument with pointer
2588 to regs structure. All caller's changed.
2589 (loop_optimize): Delete `moved_once' array.
2591 2001-01-05 Michael Hayes <mhayes@redhat.com>
2593 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2594 Use it instead of loop_info->has_call for scanning loop mems.
2595 (check_dbra_loop): Replace loop_info->has_call test with
2596 loop_info->has_nonconst_call.
2598 2000-01-04 Matthew Hiller <hiller@redhat.com>
2600 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2603 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2605 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2606 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2608 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2610 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2611 (flag_short_double, flag_short_wchar): Define.
2612 (c_common_nodes_and_builtins): Create many tree nodes shared
2613 between C and C++ here instead of in cp/decl.c and ...
2614 * c-decl.c (init_decl_processing): ... here.
2615 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2616 (flag_short_double, flag_short_wchar): Don't define.
2617 (record_builtin_type): New function.
2618 (build_void_list_node): New function.
2619 * c-common.h (flag_short_double, flag_short_wchar,
2620 record_builtin_type, build_void_list_node): Declare.
2622 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2624 * integrate.c (expand_inline_function): Don't put a virtual
2625 register into the reg map.
2627 * function.c (fixup_var_refs_1): If force_operand didn't put
2628 the address into the target, move it there.
2630 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2632 Special-case tree_decl/tree_list allocations.
2633 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2634 (OBJECT_SIZE): New macro.
2635 (NUM_EXTRA_ORDER): Likewise.
2636 (extra_order_size_table): New variable.
2637 (NUM_ORDERS): New macro.
2638 (objects_per_page_table): New variable.
2639 (object_size_table): New variable.
2640 (G.pages): Use NUM_ORDERS to bound the array.
2641 (G.page_tails): Likewise.
2642 (DIV_ROUND_UP): Remove.
2643 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2644 (alloc_page): Use OBJECT_SIZE.
2645 (size_lookup): Don't make it const.
2646 (ggc_alloc): Use OBJECT_SIZE.
2647 (ggc_set_mark): Likewise.
2648 (ggc_get_size): Likewise.
2649 (init_ggc): Set up the object_size_table, objects_per_page_table,
2650 and adjust size_lookup.
2651 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2652 (ggc_pop_context): Use NUM_ORDERS.
2653 (clear_marks): Likewise.
2654 (sweep_pages): Likewise.
2655 (poison_pages): Likewise.
2656 (ggc_print_statistics): Use OBJECT_SIZE.
2658 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2660 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2661 Only call array_size_for_constructor if last field and array type
2662 with no upper bound.
2664 2001-01-04 Philip Blundell <philb@gnu.org>
2666 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2667 from bit 31 downwards, if this requires no more insns.
2668 (count_insns_for_constant): New helper function for above.
2670 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2672 * gencodes.c (output_predicate_decls): Remove empty initializer.
2674 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2676 * tree.c (copy_node): Remove documentation about obstacks.
2677 (buidl1): Check that nobody tries to build 2-argument nodes this
2680 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2682 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2685 * gencodes.c (output_predicate_decls): Fill empty initializer
2688 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2690 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2691 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2693 (do_include): Handle missing headers like cpp0.
2694 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2695 paths with first include pathname. Don't strcat to uninitialized
2698 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2700 * regrename.c (regrename_optimize): Don't rename from frame pointer
2701 if frame_pointer_needed.
2702 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2703 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2704 (ia64_reorg): Use it instead of scheduling if ! optimize.
2705 (errata_emit_nops): Properly call asm_noperands.
2706 (ia64_sched_reorder): Finish cycle if we see an asm.
2707 (ia64_variable_issue): Clear scheduling state after asms.
2709 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2711 * cpp.texi: Update for -MT.
2712 * cppinit.c (initialize_dependency_output): Add a default
2713 target if none has been given already.
2714 (no_tgt, OPT_MT): New.
2715 (cpp_handle_option): Handle -MT. Update -M etc.
2716 * cpplib.h (struct cpp_options): Remove deps_target.
2717 * gcc.c (cpp_options): Handle -MT.
2718 * mkdeps.c (struct deps): Move from mkdeps.h.
2719 (deps_calc_target): Rename deps_add_default_target. Add a
2720 default target if none has been specified already.
2721 * mkdeps.h (struct deps): Move to mkdeps.c.
2722 (deps_calc_target): Rename deps_add_default_target.
2724 2000-01-03 Richard Henderson <rth@redhat.com>
2726 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2728 * c-typeck.c (push_init_level): Move checks for flexible array
2729 members and zero length arrays ...
2730 (pop_init_level): ... here. Silently discard empty initializations.
2732 * varasm.c (output_constructor): Update for sizeof change to
2735 * extend.texi (Zero Length): Clarify semantics.
2737 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2739 * configure.in (tm.h): Include isns-codes.h last.
2740 * configure: Rebuilt.
2742 2001-01-03 Richard Henderson <rth@redhat.com>
2744 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2745 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2747 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2749 * tradcpp.c (main): Make sure finclude() is called with a valid
2750 indepth value while handling -include.
2752 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2754 * gencodes.c (output_predicate_decls): New function.
2756 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2757 even if it is not the first time machmode.h is #included.
2758 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2759 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2760 * gcc.texi (Copyright): Added 2001.
2762 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2764 * c-common.c (c_common_lang_init): New function. Warn if format
2765 warning options which only have effects when used with -Wformat
2766 are used without -Wformat.
2767 * c-common.h (c_common_lang_init): Declare.
2768 * c-lang.c (lang_init): Call c_common_lang_init.
2769 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2771 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2773 * configure.in: Check for the mktemp command.
2774 * configure: Regenerate.
2775 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2776 $TEMP. Create temporary files with mktemp, if available at
2777 configure time; otherwise use set -C. Remove temporary files
2780 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2782 * configure.in: Require at least texinfo 4.0. Check for whether
2783 Pod::Man is sufficiently recent to regenerate GCC manpages.
2784 * configure: Regenerate.
2785 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2787 (GENERATED_MANPAGES): Define.
2788 (generated-manpages): New target. Depend on cpp.1 as well as
2790 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2791 configure to generated-manpages or empty) rather than on the
2792 manpages directly. Remove execute permission from installed
2793 gcov.1 as well as cpp.1.
2794 * cpp.1, gcov.1: Regenerate.
2796 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2798 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2799 tree_low_cst. Allow using cmpstrsi in more cases.
2801 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2803 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2806 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2808 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2809 * Makefile.in (HOST_CFLAGS): Mention build-make.
2811 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2813 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2816 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2818 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2821 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2824 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2825 reg_base_value and reg_known_value arrays.
2826 (init_alias_analysis): Add more cases to detect known values.
2827 * sched-deps.c (deps_may_trap_p): New function.
2828 (sched_analyze_2): Use it.
2830 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2832 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2833 don't discard an ASHIFTRT if we're shifting in a wider mode.
2835 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2837 * toplev.c (rest_of_compilation): Don't print basic block information
2838 when CFG isn't up to date.
2840 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2842 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2843 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2844 (UNALIGNED_SHORT_ASM_OP): Define.
2845 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2847 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2849 * fold-const.c (fold_convert): Fix typo.
2851 2001-01-02 Richard Henderson <rth@redhat.com>
2853 * c-common.h (ASM_INPUT_P): New.
2854 * c-parse.in (asm): Set it when needed.
2855 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2856 existance of an operand.
2858 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2860 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2861 (dwarf2out_frame_debug_expr): Likewise.
2862 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2864 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2866 * i386.c (ix86_split_to_parts): Return number of part required;
2868 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2870 (ix86_split_long_move): Use number of part returned
2871 by ix86_split_to_parts
2872 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2874 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2875 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2876 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2877 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2878 (ALIGN_MODE_128): Add TFmode.
2879 (IS_STACK_MODE): Likewise.
2880 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2881 (HARD_REGNO_OK): Support TFmodes.
2882 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2883 * i386.md (scheduler definitions): Use memory operand to determine
2884 fst/fld instructions; use mode attribute to determine real mode of
2886 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2887 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2889 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2891 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2893 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2895 * expr.c (store_constructor_field): Update ALIGN before calling
2898 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2900 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2903 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2905 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2908 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2910 * c-decl.c (start_function): Don't warn on third parameter to main.
2912 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2914 * tsystem.h: Define HAVE_DECL_GETOPT.
2916 2001-01-02 Philip Blundell <pb@futuretv.com>
2918 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2921 2001-01-02 Richard Henderson <rth@redhat.com>
2923 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2925 2001-01-02 Andreas Jaeger <aj@suse.de>
2927 * c-decl.c (c_decode_option): Remove support of
2930 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2931 (W_options): Add -Wmissing-noreturn here.
2933 * flow.c: Define lang_missing_noreturn_ok_p.
2934 (check_function_return_warnings): Use it.
2936 * c-common.h: Declare lang_missing_noreturn_ok_p.
2938 * c-lang.c (c_missing_noreturn_ok_p): New function.
2939 (lang_init): Set lang_missing_noreturn_ok_p.
2941 * invoke.texi (Warning Options): Document this.
2943 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2945 * extend.texi (C++ Extensions): New node for C++ attributes;
2946 describe init_priority and com_interface.
2947 * invoke.texi: Remove -finit-priority as it now has zero effect.
2948 * install.texi: Fix xref syntax.
2949 * md.texi: Likewise.
2951 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2953 * config.gcc (sparc64-wrs-vxworks*): New case.
2954 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2956 * config/sparc/sparc.c (sparc_override_options): Do support different
2957 pointer and architecture size.
2958 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2959 (POINTERS_EXTEND_UNSIGNED): Define.
2960 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2961 (FUNCTION_MODE): Define to be Pmode.
2962 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2964 * function.c (expand_function_end): Properly handle DECL_RESULT
2965 and copy when ptr_mode != Pmode.
2966 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2968 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2970 * c-common.c (c_common_nodes_and_builtins): Set prototype
2971 parameters for __builtin_fputs, __builtin_fputc and
2972 __builtin_fwrite. Don't declare plain fputc as a builtin.
2974 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2976 * loop.c (add_label_notes): Increment the label usage count when
2977 a note is added to an insn which refers to a CODE_LABEL.
2978 * gcse.c (add_label_notes): Likewise.
2980 2001-01-01 Andreas Jaeger <aj@suse.de>
2982 * loop.c (scan_loop): Use xmalloc to allocate movables.
2984 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2986 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2987 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2988 * reload1.c (REGISTER_MOVE_COST): Likewise.
2989 * regclass.c (REGISTER_MOVE_COST): Likewise.
2990 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2991 dimension. Adjust all users.
2992 (init_reg_sets_1): Iterate on all modes.
2993 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2994 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2995 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2996 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2997 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2998 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2999 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
3000 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
3001 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
3002 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
3003 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
3004 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
3005 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
3006 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
3007 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
3008 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
3009 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
3010 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
3011 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
3012 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
3013 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
3014 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
3015 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
3016 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
3017 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
3018 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
3019 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
3021 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3023 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
3024 arg VARIES_P. Call it with extra arg.
3025 (true_dependence): Likewise.
3026 * rtl.h (rtx_addr_can_trap_p): Declare.
3027 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
3029 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
3030 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
3031 pic offset table register if it's zero. All callers changed.
3032 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
3034 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3036 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
3037 STRING_POOL_ADDRESS_P.
3039 * config/sparc/sparc.c (input_operand): Properly test for short op.
3041 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
3042 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
3043 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
3044 * config/sparc/elf.h: No longer include sol2.h.
3045 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
3046 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
3048 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
3050 2001-01-01 Michael Hayes <mhayes@redhat.com>
3052 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
3053 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
3054 (record_initial): Likewise.
3055 * unroll.c (copy_loop_body, loop_iterations): Likewise.
3056 (remap_split_bivs): Likewise.
3058 2001-01-01 Michael Hayes <mhayes@redhat.com>
3060 * loop.c (loop_ivs_free): New function.
3061 (strength_reduce): Break out from...
3063 2001-01-01 Michael Hayes <mhayes@redhat.com>
3065 * loop.h (struct iv): New.
3066 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
3067 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
3068 'reg_biv_class' fields with 'regs' and 'n_regs'.
3069 (struct ivs): Rename 'loop_iv_list' field to 'list'.
3070 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
3071 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
3073 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
3075 * resource.c (mark_referenced_resources): Abort() before
3076 attempting to mark a pseudo register.
3077 (mark_set_resources): Likewise.
3079 2001-01-01 Michael Hayes <mhayes@redhat.com>
3081 * loop.h (REG_IV_CLASS): New accessor macro.
3082 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
3083 * unroll.c (REG_IV_CLASS): Likewise.
3085 See ChangeLog.4 for earlier changes.