1 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
5 * toplev.c (decode_W_option): Update warn_larger_than
6 unconditionally for each processed switch.
8 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
10 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
12 (hppa_expand_prologue): Delete code to save pic offset table register
13 in the function prologue.
14 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
15 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
16 table register at the beginning of the function after the prologue.
18 2001-01-29 lars brinkhoff <lars@nocrew.org>
20 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
22 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
23 Jeff Law <law@redhat.com>
25 * pa.md (return): Revise comment for trivial return.
26 (return_internal): Non-trivial return pattern for non-PIC code.
27 (return_internal_pic): Non-trivial return pattern for PIC code.
28 It uses the PIC register to ensure it is restored after
30 (epilogue): Generate appropriate return for PIC and non-PIC code.
32 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
34 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
36 2001-01-29 DJ Delorie <dj@redhat.com>
38 * combine.c (if_then_else_cond): Pass the correct mode to
39 operand_subword() for constants.
41 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
43 * config/i386/cygwin.h: Add w32api to include search. Search different
44 directories in a cross-build environment.
46 2001-11-29 Tim Josling <tej@melbpc.org.au>
48 * tree.h (TYPE_STUB_DECL): Add documentation.
50 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
52 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
53 (sdbout_field_types): Likwise. Fix use of host_integerp.
55 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
57 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
60 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
62 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
63 to use flag_gnu_linker.
65 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
67 * cpplib.c (T_BAD_DIRECTIVE): Remove.
68 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
70 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
72 * tree.c, tree.h (build_parse_node): Remove; was identical to
74 * c-lang.c (start_cdtor), objc/objc-act.c
75 (build_module_descriptor): Use build_nt instead of
78 2001-01-29 Jakub Jelinek <jakub@redhat.com>
80 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
81 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
82 not have any upper bits set.
84 2001-01-29 Phil Edwards <pme@sources.redhat.com>
86 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
88 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
90 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
92 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
94 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
95 (integer_minus_one_node): Define.
97 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
99 * Makefile.in (bootstrap2-lean): Fix typo.
101 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
103 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
104 : Don't set fe_value.
105 * cpplib.h (AVOID_LPASTE): New flag.
106 (struct cpp_hashnode): Remove fe_value.
107 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
108 * cppmacro.c (builtin_macro): Don't set flags here.
109 (replace_args): Set AVOID_LPASTE flag on first token of an
110 argument, and the token following it.
111 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
112 macro expansion, and on the token following it. Do it for
114 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
116 2001-01-27 Richard Henderson <rth@redhat.com>
118 * config/alpha/t-ieee: Remove multilibbing.
119 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
121 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
123 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
125 * Makefile.in: Remove all dependencies on defaults.h.
126 * builtins.c: Don't include defaults.h.
127 * c-common.c: Likewise.
128 * c-decl.c: Likewise.
129 * c-pragma.c: Likewise.
130 * c-typeck.c: Likewise.
131 * combine.c: Likewise.
133 * frame-ia64.c: Likewise.
134 * cppexp.c: Likewise.
135 * crtstuff.c: Likewise.
136 * dbxout.c: Likewise.
137 * dwarf2out.c: Likewise.
138 * dwarfout.c: Likewise.
139 * emit-rtl.c: Likewise.
140 * except.c: Likewise.
143 * frame-dwarf2.c: Likewise.
144 * libgcc2.c: Likewise.
145 * optabs.c: Likewise.
146 * profile.c: Likewise.
147 * sdbout.c: Likewise.
148 * toplev.c: Likewise.
149 * tradcif.y: Likewise.
151 * varasm.c: Likewise.
153 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
155 * builtins.c (expand_builtin_fputs): Use size_one_node when
156 transforming into fwrite.
158 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
160 * extend.texi (Attribute Syntax): New section.
162 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
164 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
165 they didn't need fixing.
167 2001-01-27 Janis Johnson <janis@us.ibm.com>
169 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
171 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
172 to remove macro definitions that are duplicated from elfos.h.
174 2001-01-27 Richard Henderson <rth@redhat.com>
176 * config/i386/sco5gas.h: Move ...
177 * config/usegas.h: ... here.
178 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
180 2001-01-27 Jakub Jelinek <jakub@redhat.com>
182 * c-typeck.c (struct constructor_stack): Add range_stack member.
183 (really_start_incremental_init): Clear it.
184 (push_init_level): Save constructor_range_stack and clear it if
185 pushing explicit braces.
186 (pop_init_level): abort if constructor_range_stack is non-zero at
187 explicit closing brace. Restore saved constructor_range_stack if
190 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
192 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
193 into register was forced into memory.
195 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
197 * Makefile.in: Remove uses of + before $(MAKE).
199 2001-01-26 Richard Henderson <rth@redhat.com>
201 * stmt.c (cost_table): Remove.
202 (COST_TABLE, cost_table_initialized): New.
203 (estimate_case_costs): Use the later instead of the former.
204 (balance_case_nodes): Likewise.
206 2001-01-26 Richard Henderson <rth@redhat.com>
208 * alias.c (objects_must_conflict_p): Read-only slots may not
209 conflict despite having the same type.
211 2001-01-27 Michael Hayes <mhayes@redhat.com>
213 * loop.c (loop_giv_reduce_benefit): Copy mode size into
215 (check_ext_dependant_givs): Initialise u_start_val and
217 (load_mems): Make last_max_reg unsigned.
218 (try_swap_copy_prop): Use INSN_P and initialise set.
220 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
222 * README.AVR : Removed.
224 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
226 * pa-64.h (text_section): Remove declaration.
228 * pa.md (return_internal): Remove mode on PIC register use.
230 2001-01-25 lars brinkhoff <lars@nocrew.org>
232 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
233 ASM_CLOSE_PAREN): fix typos.
235 2001-01-25 Mark Mitchell <mark@codesourcery.com>
237 * acconfig.h: Define `const' to the empty string if neither
238 __STDC__ nor __cplusplus is defined.
239 * config.in: Regenerated.
241 2001-01-25 David Edelsohn <edelsohn@gnu.org>
243 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
244 * collect2.c (main): Delete importf. Add ".obj" file extension.
245 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
246 (aix_std_libs): Add additional AIX libraries to skip.
247 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
248 * config/rs6000/aix51.h: New file.
250 2001-01-25 Michael Hayes <mhayes@redhat.com>
252 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
253 (loop_insn_emit_before): No longer static.
254 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
255 (loop_givs_rescan, load_mems): Likewise.
256 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
257 (maybe_eliminate_biv_1):
258 (move_movables): Replace emit_call_insn_before with
259 loop_call_insn_hoist.
260 * loop.h (loop_insn_emit_before): Add.
261 * unroll.c (copy_loop_body): Replace emit_insn_before with
262 loop_insn_emit_before.
264 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
266 * diagnostic.c (fatal): Request preprocessed source.
268 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
270 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
271 olddecl has argument types and newdecl has none, use the argument
274 2001-01-24 Ulrich Drepper <drepper@redhat.com>
276 * dwarf2out.c (prefix_of): New function. Determine longest common
277 prefix of the two arguments. The units are whole path components.
278 (output_file_names): When adding a new directory find the one entry
279 with the longest common prefix already in the list. Artificially
280 generate entry if there is none for this prefix.
281 Fix test to check whether the zeroth directory entry is used.
283 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
285 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
286 Changed all callers. Take it into account when deciding if a
287 previously loaded value matches.
289 2001-01-24 Richard Henderson <rth@redhat.com>
291 * reload.c (find_reloads_subreg_address): Fail the substitution
292 if the resulting address is insufficiently aligned.
294 2001-01-24 DJ Delorie <dj@redhat.com>
296 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
297 check the original operand's mode also.
298 * simplify-rtx.c (simplify_ternary_operation): Ditto.
300 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
302 * c-parse.in (cast_expr): Move compound literals from here ...
303 (primary): ... to here. Use standard terminology "compound
304 literal" instead of "constructor expression".
306 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
308 * gcc.1, cpp.1: Regenerate.
310 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
312 * calls.c (emit_library_call_value_1): Memory slot for
313 pass-by-reference argument should have the mode of the argument,
314 not of the pointer to it.
316 2001-01-24 Tom Tromey <tromey@redhat.com>
318 * gcc.texi (G++ and GCC): Mention gcj manual.
319 (Standards): Link to section of manual mentioning gcj/Java
322 2001-01-24 Jakub Jelinek <jakub@redhat.com>
324 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
325 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
326 * tradcpp.c (main): Add -imacros or -include'd dependencies
328 * cpp.texi (-M, -MM): Document -M -include behaviour.
330 2001-01-24 Roger Collins <roger@ProProject.com>
332 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
334 2001-01-24 Will Cohen <wcohen@redhat.com>
336 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
337 whether registers are 32 bits or 64 bits in size.
339 2001-01-24 Ben Elliston <bje@redhat.com>
341 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
343 2001-01-24 Richard Henderson <rth@redhat.com>
345 * config/alpha/alpha.md (builtin_longjmp_internal): New.
346 (builtin_longjmp): Use it instead of emit_indirect_jump.
348 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
350 * bb-reorder.c (make_reorder_chain_1): Handle case where
351 jump edge goes to the same block as the fallthru edge.
353 2001-01-23 Jim Wilson <wilson@redhat.com>
355 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
356 * frame.h (__ia64_personality_v1): Add prototype.
357 * libgcc2.c (ia64_throw_helper): Change personality declaration to
358 prototype form. Add void * cast to first argument to personality
360 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
361 (asctoe113): Likewise.
362 * config/ia64/frame-ia64.c: Include eh-common.h.
363 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
365 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
367 (itanium_split_issue): Add prototype.
368 (gen_nop_type): Ifdef out.
369 (find_best_packet): Initialize best_packet.
370 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
372 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
373 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
374 (flushrs): Add explicit stop bit at end.
375 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
378 2001-01-23 Chris Demetriou <cgd@broadcom.com>
380 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
382 * libgcc2.c (__terminate_func): Make variable static.
383 (__terminate_set_func): New function to set __terminate_func.
384 * libgcc2.h (__terminate_func_ptr): New typedef.
385 (__terminate_set_func): New function.
387 2001-01-23 Richard Henderson <rth@redhat.com>
389 * flow.c (init_propagate_block_info): Don't consider unchanging
390 memories for dead frame store elimination.
392 2001-01-23 Richard Henderson <rth@redhat.com>
394 * varasm.c (UNIQUE_SECTION): Move default implementation ...
395 * defaults.h: ... here.
397 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
399 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
401 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
403 * c-lex.c (lex_charconst): Fix typo: s/p/str.
405 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
407 * rs6000.h (rs6000_return_addr): Move prototype from here...
408 * rs6000-protos.h (rs6000_return_addr): ...to here.
409 (rs6000_init_expanders): Delete prototype.
411 2001-01-23 Nick Clifton <nickc@redhat.com>
413 * invoke.texi: Replace , with \, inside @gccoptlist macros.
414 (Spec Files): Document %B and %j and %. and %v3 and %M and
415 %{S*&T} spec switches.
417 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
419 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
421 2001-01-23 Chris Demetriou <cgd@sibyte.com>
422 Neil Booth <neil@daikokuya.demon.co.uk>
424 * cpperror.c: Merge handlers of PEDWARN and WARNING.
425 Have -Werror make pedantic warnings errors, like the
428 2001-01-23 Phil Edwards <pme@sources.redhat.com>
430 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
432 2001-01-23 Jakub Jelinek <jakub@redhat.com>
434 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
435 * integrate.c (expand_inline_function): Initialize them.
436 (subst_constants): If changing COMPARE so that both its arguments
437 will be VOIDmode and the comparison mode will be lost, note
438 compare_mode. Use the recorded compare_mode to optimize
441 2001-01-23 Jason Merrill <jason@redhat.com>
443 * dwarf2out.c (new_die): Use xcalloc.
444 (output_die): Abort rather than emit a local reference to offset 0.
446 2001-01-17 Andrew Haley <aph@redhat.com>
448 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
449 of a saved register; return NULL instead.
450 (copy_reg): Take a pointer to a source register rather than a
452 (next_stack_level): Remember the address in the stack frame of all
454 Use the saved register pointer array as the source of the CFA.
455 (throw_helper): Rewrite. Unwind once rather than twice and keep
456 track of saved registers as we go.
458 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
460 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
461 * c4x.c (c4x_legitimize_reload_address): Remove.
462 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
463 reload address for ldp(k) insn.
465 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
467 * pa.md (return_internal): Add a USE of the PIC register to ensure
468 it is restored after each call.
469 (return expander): Corresponding changes.
471 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
473 * rs6000.h (INIT_EXPANDERS): Delete.
474 (RETURN_ADDR_RTX): Call rs6000_return_addr().
475 * rs6000.c (rs6000_override_options): Call *_machine_status from
477 (rs6000_init_expanders): ...instead of here. Delete.
478 (rs6000_mark_machine_status): New function.
479 (rs6000_init_machine_status): Use xcalloc.
480 (rs6000_return_addr): Generate RTX for the return address.
481 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
482 (rs6000_stack_info): Use it.
484 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
486 * gthr-win32.h: Include errno.h to get a declaration for
487 EINVAL and _mingw.h if the target is mingw32.
489 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
491 * cpp.texi: Correct typos.
493 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
495 * explow.c (probe_stack_range): Ensure value passed to
496 stack_check_libfunc is ptr_mode, not Pmode.
498 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
500 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
501 case, don't use operand_subword to calculate a SUBREG that is
504 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
506 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
508 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
509 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
510 valid. If not replace it by equivalent insns.
512 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
514 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
515 contains SYMBOL_REF, LABEL_REF and CONST_INT.
516 (c4x_U_constraint, symbolic_address_operand): Likewise.
517 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
519 (c4x_r11_set_p, c4x_check_laj_p): New functions.
520 * c4x-protos.h (c4x_check_laj_p): Add prototype.
521 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
522 anulling slot because of silicon bug.
523 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
525 2001-01-22 Alan Modra <alan@linuxcare.com.au>
527 * cppexp.c (parse_charconst): Change `mask' type to agree
530 2001-01-21 Richard Henderson <rth@redhat.com>
532 * config/i386/i386.c (ix86_asm_file_end): Disable putting
533 pic_label_name in a linkonce section.
535 2001-01-17 Philipp Thomas <pthomas@suse.de>
537 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
539 * configure: Regenerate.
541 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
543 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
544 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
546 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
548 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
549 If REVERSE nonzero then condition code in X must be reversed.
550 (encode_section_info): Optimise if/else.
551 (avr_function_value): Fix formatting.
553 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
554 (difficult_branch): Likewise.
555 (rvbranch): Likewise.
556 (difficult_rvbranch): Likewise.
558 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
560 * config/avr/libgcc.S: Fix comment.
562 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
564 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
566 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
568 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
570 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
572 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
573 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
574 * configure, config.in: Regenerate.
575 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
576 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
577 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
578 (doprint.o): New rule.
580 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
582 * c-typeck.c (digest_init): Handle boolean types as scalars.
584 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
586 * stmt.c (expand_return): Don't return anything if size is zero.
587 Delete redundant assignment to BYTES.
588 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
590 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
592 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
593 the same as the default library function names.
594 * config/avr/avr.md: Document special characters after '%'.
595 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
596 knowing which of the call-used registers are really clobbered.
597 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
598 New. Both quotient and remainder from one libgcc.S call.
599 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
600 clobber as few registers as possible.
601 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
603 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
605 * cppmacro.c (funlike_invocation_p): Don't move back up to the
606 context of the top of the stack.
608 2001-01-20 Jakub Jelinek <jakub@redhat.com>
610 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
611 (fixup_var_refs_insns): ...here.
613 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
615 * function.c (fixup_var_refs_insns): Break up into
616 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
617 [loop over entire insn list], and fixup_var_refs_insns_with_hash
618 [loop over hash table entries].
619 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
620 fixup_var_refs_insns_with_hash, to match above changes.
622 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
624 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
625 (libgcc.a): Likewise.
626 (stmp-multilib): Likewise.
627 (STAGE2_FLAGS_TO_PASS): Likewise.
629 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
631 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
632 temporary if no_new_pseudos.
634 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
636 * cppinternals.texi: Update.
638 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
640 * arm.c (arm_init_builtins): Re-enable builtins.
642 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
644 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
645 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
646 element to be null, and always expect an EXPR_LIST.
647 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
648 * sched-deps.c (sched_analyze_1): Likewise.
649 * sched-rgn.c (check_live_1, update_live_1): Likewise.
651 * regclass.c (max_set_parallel): New variable.
652 (reg_scan): Take it into account in computation of max_parallel.
653 (reg_scan_mark_refs, case SET): Compute it.
655 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
657 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
658 * function.c (assign_parms): Use INTVAL for a CONST_INT.
660 2001-01-19 Jason Merrill <jason@redhat.com>
662 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
663 for the abstract instance of an inline function.
665 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
666 J"orn Rennecke <amylaar@redhat.com>
668 * reload1.c (move2add_note_store): Treat all registers directly or
669 indirectly derived from a base register as members of the same set
671 (reload_cse_move2add): Adjust accordingly. Take mode and offset
672 of base register into account.
674 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
676 * alias.c (find_base_value): Recognize TRUNCATE.
677 (record_set): In PLUS case, invalidate if other summand is also a
680 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
682 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
683 entry to be EXPR_LIST.
684 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
685 be an EXPR_LIST (but not null, which other code doesn't allow).
686 (note_stores): Properly handle PARALLEL in SET.
687 Recursively call for top-level PARALLEL.
688 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
689 * sched-rgn.c (check_live_1, update_live_1): Likewise.
691 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
693 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
695 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
696 not pfile->skipping (== 0).
698 2001-01-17 Nick Clifton <nickc@redhat.com>
700 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
703 2001-01-17 Jim Wilson <wilson@redhat.com>
705 * invoke.texi (IA-64 options): Improve.
707 2001-01-17 Tom Tromey <tromey@redhat.com>
709 * invoke.texi (Optimize Options): Use `{}' to around @samp
712 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
714 * invoke.texi (-fno-guess-branch-probability): New option.
716 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
718 * combine.c (try_combine): Don't set i3_subst_into_i2 for
719 case of making new double-word constant.
720 Revert last change: instead just test i3_subst_into_i2.
722 2001-01-17 Jakub Jelinek <jakub@redhat.com>
724 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
725 Use q constraints instead of r.
727 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
729 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
730 (machine_function): Define.
731 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
732 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
733 pa_free_machine_status): New functions.
734 (override_options): Set {init,mark,free}_machine_status to above.
735 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
736 PIC_OFFSET_TABLE_REGNUM_SAVED.
737 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
738 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
739 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
740 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
741 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
743 2001-01-15 DJ Delorie <dj@redhat.com>
745 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
749 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
751 * flow.c (propagate_on_insn): Make trying to delete a prologue
752 or epilogue insn an ICE, not a warning. Allow doing this if
753 the current function returns with stack pointer depressed.
755 * combine.c (try_combine): If i3_subst_into_i2, properly check for
756 I3 having more than one SET.
758 2001-01-16 Jim Wilson <wilson@redhat.com>
760 * invoke.texi: Document IA-64 options.
762 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
763 (fixup_errata): Delete TARGET_A_STEP use.
764 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
765 (TARGET_SWITCHES): Delete -ma-step option.
766 * config/ia64/ia64.md (all FP patterns): Delete %B0.
767 (movqicc_astep, movqi_internal_astep, movhicc_astep,
768 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
769 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
770 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
771 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
773 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
774 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
775 cmovsi_internal): Delete ! TARGET_A_STEP check.
777 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
779 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
780 possibility to report bugs via postal mail. Change a URL and
781 merge in a nearly duplicate statement...
782 (Bug Reporting): ...from here.
783 (Service): Refer to the Bug Reporting section instead of
785 (Contributing): Remove trivial explanations concerning snapshots.
787 2001-01-16 Alan Modra <alan@linuxcare.com.au>
789 * cppmain.c (general_init): Don't use ANSI prototype.
791 2001-01-16 Tom Tromey <tromey@redhat.com>
793 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
795 2001-01-16 Richard Henderson <rth@redhat.com>
797 * config/i386/i386.h: Fix comment typo.
798 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
799 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
801 2001-01-16 Phil Edwards <pme@sources.redhat.com>
803 * gcc.c: Revert previous -fsyntax-only-related change; move
806 2001-01-16 Jakub Jelinek <jakub@redhat.com>
808 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
809 inmode after checking GET_CODE (op).
811 2001-01-16 Richard Henderson <rth@redhat.com>
813 * flow.c (struct propagate_block_info): Add mem_set_list_len.
814 (MAX_MEM_SET_LIST_LEN): New.
815 (propagate_one_insn): Update mem_set_list_len.
816 (invalidate_mems_from_autoinc): Likewise.
817 (invalidate_mems_from_set): Likewise.
818 (mark_used_regs): Likewise.
819 (init_propagate_block_info): Likewise. Stop collecting memories
820 when we reach MAX_MEM_SET_LIST_LEN.
821 (mark_set_1): Likewise.
823 2001-01-16 Richard Henderson <rth@redhat.com>
825 * unroll.c (precondition_loop_p): Fail if no iteration
828 2001-01-16 Phil Edwards <pme@sources.redhat.com>
830 * gcc.c: When -fsyntax-only is given, do not complain about
833 2001-01-15 Richard Henderson <rth@redhat.com>
835 * config/i386/i386.c (asm_output_function_prefix): Remove.
836 (ix86_asm_file_end): New.
837 (load_pic_register): Generate pic_label_name into a
838 staticly allocated buffer.
839 * config/i386/i386-protos.h: Update.
840 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
842 * config/i386/i386afe.h: New file.
843 * config.gcc (i?86-*-elf) [tm_file]: Use it.
844 (i?86-*-{freebsd,linux*,moss*}): Likewise.
845 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
846 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
847 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
848 * config/i386/sco5.h (ASM_FILE_END): Likewise.
849 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
851 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
853 * Makefile.in (install-man): Remove explicit dependency on
856 * configure.in, configure: Revert previous patch requiring perl
859 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
861 * toplev.c (flag_guess_branch_prob): New.
862 (f_options): Add guess-branch-probability option.
863 (rest_of_decl_compilation): Only estimate branch probability if
865 (main): set flag_guess_branch_prob.
867 * flags.h (flag_guess_branch_prob): New.
869 2001-01-15 DJ Delorie <dj@redhat.com>
871 * gcc.texi (Makefile): Add documentation for Makefile targets.
873 2001-01-15 Philip Blundell <philb@gnu.org>
875 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
877 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
878 (is_pic): Delete declaration.
879 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
880 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
881 * config/arm/arm.md (builtin_setjmp_receiver): New.
883 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
885 * arm.c (use_return_insn): Don't try to determine the function type
886 until after reload has completed.
887 (arm_output_epilogue): Don't adjust the sp value recovered from the
889 (emit_multi_reg_push): Don't record dwarf information for the pc.
890 * arm.md (eh_epilogue): The function type may have changed, so it
891 needs to be recalculated.
892 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
893 unwind tables on arm/netbsd.
895 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
897 * arm.md (cbranchsi4): Correct calculation of branch ranges.
898 (negated_cbranchsi4): Likewise.
900 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
902 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
903 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
904 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
905 pass -mapcs-* options to assembler.
906 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
907 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
908 (ASM_SPEC): Call subtarget_extra_asm_spec.
910 2001-01-15 Andreas Jaeger <aj@suse.de>
912 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
914 (ix86_expand_builtin): Likewise.
916 * gencodes.c (output_predicate_decls): Make i size_t to avoid
917 warning about comparison between signed and unsigned.
919 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
921 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
923 2001-01-14 Ralf Baechle <ralf@gnu.org>
925 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
926 SUBTARGET_CPP_SPEC apropriatly.
928 2001-01-12 Mark Mitchell <mark@codesourcery.com>
930 * varasm.c (make_decl_rtl): Fix typo in last change.
932 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
934 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
935 linker supports the init_priority C++ attribute.
936 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
937 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
938 linker does not support init_priority C++ attribute.
940 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
942 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
944 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
946 * c-parse.in (finish_parse): Add comment about cpp_destroy.
947 * cp/lex.c (finish_parse): Similarly.
948 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
949 Return the number of errors encountered.
950 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
951 * cppmain.c (main): Don't call cpp_destroy.
953 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
955 * configure.in: Require at least perl 5.6.0 to regenerate
957 * configure: Regenerate.
959 2001-01-14 Richard Henderson <rth@redhat.com>
961 * genrecog.c (DT_veclen_ge): New.
962 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
963 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
964 (nodes_identical_1): Handle DT_veclen_ge.
965 (write_cond, debug_decision_2): Likewise.
967 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
969 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
971 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
973 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
975 * cppmain.c (do_preprocessing): New function; most of the old
977 (main): Call it to do most of the work.
978 (cb): Move from global scope to set_callbacks ().
979 (setup_callbacks): Get the callback pointer.
980 (general_init, printer_init): Clean up code and comments.
982 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
984 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
987 2001-01-14 Kazu Hirata <kazu@hxi.com>
989 * config/h8300/h8300.c (get_shift_alg): Update comments.
991 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
993 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
994 (alloc_page, ggc_alloc): Add casts to remove warnings.
996 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
998 * combine.c (simplify_comparison): Don't change `code' when
999 can't reverse comparison.
1001 2001-01-14 Richard Henderson <rth@redhat.com>
1003 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
1004 update all call sites. Return true for all non-label constants.
1006 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
1008 * i386.c (ix86_expand_compare): Add bypass_test and second_test
1010 (ix86_expand_branch): Update.
1011 (ix86_expand_setcc): Update to handle multiple test conditions.
1012 (expand_int_movcc): Likewise.
1013 (expand_fp_movcc): Likewise.
1014 * i386-protos.h (ix86_expand_compare): New.
1015 * i386.md (andqi_?_slp, orqi_?_slp): New.
1016 (conditional trap expander): Update call to ix86_expand_compare.
1018 2001-01-14 Richard Henderson <rth@redhat.com>
1020 * config/vax/vax.md: Use nonimmediate_operand instead of
1021 general_operand in destinations.
1023 * config/vax/vax.md (indirect_jump): Use register_operand.
1025 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
1026 * config/vax/vax.md (call_pop): Turn into an expander.
1027 (call_value_pop): Likewise.
1028 (call, call_value): New.
1030 2001-01-14 Andreas Jaeger <aj@suse.de>
1032 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
1034 (ix86_fp_compare_mode): Add unused attribute.
1035 (ix86_expand_fp_movcc): Remove unused variable.
1036 (ix86_expand_builtin): Make fcode unsigned.
1038 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
1039 (expand_expr): Add cast to avoid signed warning.
1040 (store_field): Likewise.
1041 (store_constructor_field): Likewise.
1042 (store_constructor): Likewise.
1043 (store_expr): Likewise.
1044 (clear_storage): Likewise.
1045 (emit_group_store): Likewise.
1046 (emit_group_load): Likewise.
1048 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1050 * c-common.c: Move format checking code to ...
1051 * c-format.c: ... here. New file. Reorder some functions and
1053 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
1055 * c-common.h (decl_handle_format_attribute,
1056 decl_handle_format_arg_attribute): Declare.
1057 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
1058 (c-common.o): Adjust dependencies.
1059 (c-format.o): New list of dependencies.
1061 2001-01-13 Jakub Jelinek <jakub@redhat.com>
1063 * unroll.c (loop_iterations): If we cannot prove iteration variable
1064 is set once in each iteration, punt.
1066 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
1068 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
1069 (*strlenhi): Remove clobber (which was buggy) of output address.
1071 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1073 * Makefile.in (generated-manpages): Add gcc.1
1074 ($(srcdir)/gcc.1): New target.
1075 (maintainer-clean): Delete $(srcdir)/gcc.1.
1076 * gcc.texi: Add macros @gccoptlist and @gol.
1077 * invoke.texi: Include option summary in manpage. Mark up option
1078 summary with @gccoptlist and @gol. Use @r in one place where
1080 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
1081 * gcc.1: Generate from invoke.texi.
1083 2001-01-13 Richard Henderson <rth@redhat.com>
1085 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
1086 (struct page_entry): Add group member.
1087 (struct page_group): New.
1088 (struct globals): Add page_groups member.
1089 (alloc_anon): Only define for using mmap; remove valloc call.
1090 (page_group_index): New.
1091 (set_page_group_in_use): New.
1092 (clear_page_group_in_use): New.
1093 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
1094 (free_page, release_pages): Likewise.
1095 * configure.in (with-gc): Default to ggc-page always.
1097 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1099 * reload1.c (replace_pseudos_in_call_usage): Use
1100 reg_equiv_constant and reg_equiv_address, and don't try
1101 regno_reg_rtx first.
1103 2001-01-13 Richard Henderson <rth@redhat.com>
1105 * ggc-page.c (alloc_page): Round up allocation size to one page.
1106 Set e->order on extra pages.
1108 2001-01-13 Richard Henderson <rth@redhat.com>
1110 * genrecog.c (nodes_identical): Expand commentary.
1111 (write_switch): Watch out for identical nodes.
1113 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1115 * cppfiles.c (_cpp_fake_include): New function.
1116 * cpphash.h (_cpp_fake_include): New.
1117 * cpplib.c (do_line): Call _cpp_fake_include when entering
1118 header files in preprocessed input.
1119 * cppmain.c (cb_pragma_implementation): Remove handling.
1120 (setup_callbacks): Don't register pragmas.
1122 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1124 * extend.texi: Udate for CPP.
1126 2001-01-13 Andreas Jaeger <aj@suse.de>
1128 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
1130 * regmove.c: Add prototype for replace_in_call_usage.
1132 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1134 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
1135 struct cpp_chunk, struct htab, struct toklist,
1136 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
1137 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
1138 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
1139 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
1140 (struct macro_args): Delete.
1141 * cpphash.h: See above.
1143 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1145 * cppmain.c (struct printer): Remove no_line_dirs.
1147 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
1148 : Use options rather than CPP_OPTION.
1149 (setup_callbacks): Use cb rather than pfile->cb.
1150 (main): No need to check for a buffer. Use cpp_errors.
1151 (printer_init): Don't set no_line_dirs.
1152 (maybe_print_line): Use options not no_line_dirs.
1153 (cb_file_change): Don't call print_line if -P.
1155 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1157 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
1159 * c-parse.in (finish_parse): Use cpp_errors.
1160 (__yylex): Use return value of cpp_pop_buffer.
1161 * cp/lex.c (finish_parse): Use cpp_errors.
1162 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
1164 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
1166 * README.AVR: URLs corrected.
1168 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1170 * c-decl.c (start_function): Don't warn if old prototype is builtin
1171 that's not in C's namespace.
1172 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
1173 (_bb): Add prototype for ctime.
1174 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
1176 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
1178 * i386.c (ix86_fp_comparison_arithmetics_cost,
1179 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
1180 ix86_fp_comparison_cost): New functions.
1181 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
1182 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
1183 two-branch sequences; make static.
1184 (ix86_use_fcomi_compare): Do decision according to the costs.
1185 (split_fp_branch): New.
1186 * i386.md (compare-and-branch patterns): Use split_fp_branch.
1187 * i386-protos.h (ix86_expand_fp_compare): Remove
1188 (ix86_split_fp_branch): Declare.
1190 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
1191 and ix86_comparison_operator.
1193 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
1196 * i386.c (put_condition_code): Output properly the unordered/ordered
1197 compares in fp case.
1198 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1200 * tm.texi (REVERSE_CONDITION): Document.
1201 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1202 in -ffast-math mode.
1203 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1205 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1207 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1209 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1212 * config/sh/sh.c (mova_p): Fix test for mova_const.
1214 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1216 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1217 cpp_get_options rather than dereferencing pfile and using
1219 * scan-decls.c (scan_decls): Use return value of
1220 cpp_pop_buffer rather than CPP_BUFFER.
1222 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1224 * cppinit.c (cpp_handle_option): help_only is now part of the
1225 cpp_options structure.
1226 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1227 cpp_set_callbacks): New functions.
1228 * cpplib.h (cpp_callbacks): Break out as a named structure.
1229 (cpp_options): Move help_only here from cpp_reader.
1230 (CPP_FATAL_ERRORS): Update to use cpp_errors.
1231 (cpp_errors, cpp_get_options, cpp_get_callbacks,
1232 cpp_set_callbacks): New prototypes.
1233 * cppmain.c (main): Update for help_only.
1235 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1237 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1238 Also build and remove and install and uninstall c-tree.info and
1240 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1241 ($(srcdir)/cppinternals.info): New target.
1242 * c-tree.texi: Change file name used when makeinfo used without -o
1243 from ir.info to c-tree.info. Add info directory entry.
1244 * cppinternals.texi: Add info directory entry.
1245 * .cvsignore: Update.
1247 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1249 * c-typeck.c (store_init_value): Don't require constant initializer
1250 elements with -pedantic -std=c99.
1251 (digest_init): Change error about non-constant initializer elements
1253 (constructor_range_end): Remove.
1254 (constructor_incremental, designator_depth,
1255 designator_errorneous): New variables.
1256 (struct constructor_stack): Remove range_end, add incremental.
1257 (struct constructor_range_stack, constructor_range_stack): New.
1258 (struct initializer_stack): Add constructor_range_stack.
1259 (finish_init): Set it.
1260 (start_init): Likewise. require_constant_elements for non-static
1261 trees only if not flag_isoc99.
1262 (really_start_incremental_init): Remove constructor_range_end, add
1263 constructor_incremental.
1264 (pop_init_level): Likewise.
1265 (push_init_level): Likewise. If implicit and the subobject had some
1266 value set already, preinitialize the level with it.
1267 Warn about missing braces only if not pushing due to designators.
1268 (set_designator, push_range_stack): New functions.
1269 (set_init_label): Use them.
1270 (set_init_index): Likewise. Remove constructor_range_end.
1271 Error if designator index is outside of array bounds.
1272 (add_pending_init): Compare values of purpose index trees, not the
1273 trees themselves. Allow overwriting of already initialized element.
1274 Issue a warning if it had side-effects.
1275 (set_nonincremental_init, set_nonincremental_init_from_string): New
1277 (pending_init_member): Rename to...
1278 (find_init_member): ...this function. Call set_nonincremental_init
1279 if necessary. Compare values of purpose index trees, not the trees
1280 themselves. Return the actual value, not just non-zero if something
1282 (output_init_element): Remove checks for duplicates.
1283 If field has zero size, only check the initializer for correctness.
1284 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1285 if constructor_incremental is zero. Change error about initializers
1286 not computable at load time into pedwarn.
1287 (output_pending_init_elements): Compare bit positions, not
1288 FIELD_DECLs to take into account zero-sized fields.
1289 (process_init_element): Use constructor_range_stack to fill all
1290 ranges in the designator lists from current level up.
1291 * extend.texi: Update documentation for labeled elements.
1293 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1295 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1296 to function usage for arguments passed by reference. Optimize
1297 callee-copied arguments.
1298 * regmove.c (replace_in_call_usage): New function.
1299 (fixup_match_1): Call it.
1300 * cse.c (cse_insn): Canonicalize registers in function usage.
1301 * reload1.c (replace_pseudos_in_call_usage): New function.
1304 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1307 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1309 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1312 2001-01-12 DJ Delorie <dj@redhat.com>
1314 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1315 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1318 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1320 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1321 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1322 -std options alongside references to -ansi. Update some
1323 documentation for C99.
1324 * cpp.1: Regenerate.
1326 2001-01-12 Andreas Jaeger <aj@suse.de>
1328 * haifa-sched.c (restore_line_notes): Remove argument block B
1330 * sched-ebb.c (schedule_ebb): Change caller.
1331 * sched-rgn.c (schedule_region): Likewise.
1332 * sched-int.h (restore_line_notes): Adjust prototype.
1334 * loop.h: Remove wrong declaration of doloop_condition_get.
1336 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1338 * extend.texi: Move C++-extension-related node from the C section
1339 into the C++ section.
1341 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1343 * extend.texi: Refer to an array of pointers to functions instead
1344 of one of functions.
1346 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1347 Jan Hubicka <jh@suse.cz>
1349 * combine.c (reversed_comparison): Fix typo in last patch.
1351 (combine_reversed_comparison_code): Make static to follow
1352 prototype declaration.
1354 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1356 * install.texi: Remove misplaced duplicate entry.
1358 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1360 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1362 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1364 * final.c: (leaf_function_p): Fix typo.
1366 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1368 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1369 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1371 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1372 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1373 mmap_anon, and valloc is available.
1374 * ggc-page.c: Restructure ifdef logic to match new autoconf
1375 spec. Don't throw away the test page in init_ggc.
1377 * configure, config.in: Regenerate.
1379 2001-01-12 Michael Hayes <mhayes@redhat.com>
1381 * loop.h (total_biv_increment): Constify iv_class pointer.
1382 (struct induction): Replace `mem_mode' with `mem' rtx.
1383 * unroll.c (total_biv_increment): Constify iv_class pointer.
1384 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1385 (find_mem_givs, combine_givs_p): Likewise.
1386 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1388 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1390 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1392 (__gthread_getspecific): Ditto.
1394 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1396 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1397 put_condition_code): Convert fp comparison codes to integer
1399 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1402 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1403 * i386-protos.h (no_comparison_operator): Kill.
1405 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1407 * combine.c (REVERSIBLE_CC_MODE): Remove.
1408 (reversible_comparison_p): Remove.
1409 (combine_reversed_comparison_code): New.
1410 (reversed_comparison): New.
1411 (combine_simplify_rtx): Use
1412 combine_reversed_comparison_code/reversed_comparison instead
1413 of reversible_comparison_p.
1414 (simplify_if_then_else): Likewise.
1415 (simplify_set): Likewise.
1416 (simplify_logical): Likewise.
1417 (if_then_else_cond): Likewise.
1418 (known_cond): Likewise.
1419 (simplify_comparison): Likewise.
1421 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1423 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1424 sizeof (int) is larger than sizeof(__word__).
1426 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1428 * cppinit.c (do_includes): Fix typo.
1430 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1432 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1433 in S_REGS does not occur because not all sources are possible
1434 when a S_REGS is a destination (sometimes needs a clobber).
1435 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1436 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1437 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1438 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1439 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1440 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1441 (lshrdi_const1, lshrsi3_const16): Likewise.
1442 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1443 (*movhi_68hc12, *movqi_68hc12): Likewise.
1444 (movstrictqi): Make sure reloading in D_REGS as a destination
1447 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1449 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1451 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1453 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1454 -D, -U and -A, and don't initialize the builtins.
1455 (do_includes): Error if -include or -imacros with -fpreprocessed.
1456 * cppmain.c (cb_define, cb_undef): Unconditionally process
1458 * tradcpp.c (main): Fix typo.
1460 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1462 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1463 (read_name_map): Use IS_ABSOLUTE_PATH.
1464 * tradcpp.c (get_filename): Likewise.
1466 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1468 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1469 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1470 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1471 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1472 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1473 (cmphi_z_used): Don't use '@' for the output.
1474 (tstqi_z_used): Likewise.
1475 (cmpqi_z_used): Likewise.
1476 (one_cmplsi2): Likewise.
1478 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1480 * config/sh/sh.c (barrier_align): Recognize branch around far
1481 branch and redundant insn.
1483 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1485 * invoke.texi: Restore documentation of the drivers' switches -MD
1488 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1490 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1492 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1493 check-objc//%): Support parallel testing of multilibs.
1494 (TESTSUITEDIR): Set to testsuite by default, but override for
1496 (check-gcc, check-g++, check-g77, check-objc): Enter
1499 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1501 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1502 * sched-deps.c (deps_may_trap_p): Likewise.
1503 * basic-block.h: Remove a comment.
1504 * flow.c (PROP_POSTRELOAD): Remove.
1505 (update_life_info): Don't add it to prop_flags.
1506 (mark_set_1): Lose the code that was enabled by it.
1508 2001-01-11 Michael Hayes <mhayes@redhat.com>
1510 * flow.c (flow_call_edges_add): New.
1511 * basic_block.h (flow_call_edges_add): New.
1513 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1515 * reload1.c (move2add_note_store): Update reg_set_luid even if
1516 base reg remains the same.
1518 2001-01-10 Nick Clifton <nickc@redhat.com>
1520 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1521 machine_function structure to zero.
1522 Add prototypes for machine_status functions.
1524 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1526 * c-common.h (CTI_VOID_LIST): Remove.
1527 (void_list_node): Likewise.
1528 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1529 (void_list_node): New macro.
1530 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1531 * config/i386/i386.c (ix86_init_builtins): Likewise.
1532 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1534 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1536 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1537 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1539 * tradcpp.c: Include mkdeps.h.
1540 (deps, print_deps_phony_targets, deps_append, output_deps,
1541 init_dependency_output, output_deps): New.
1542 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1543 deps_output): Delete.
1544 (print_deps_missing_files): Rename deps_missing_files.
1545 (inhibit_output): Make global.
1546 (main): Delete inhibit_output, deps_stream, deps_target.
1547 Use mkdeps functionality in the same way as cpplib. Remove
1548 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1549 -M and -MM. Remove old handling of deps via deps_out, and
1550 old reading of environment variables.
1551 (get_filename): Update to use deps_add_dep.
1553 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1555 * output.h (make_function_rtl): Remove prototype.
1556 (make_decl_rtl): Likewise.
1557 * varasm.c (make_function_rtl): Remove.
1558 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1559 than from a third parameter.
1560 * tree.h (make_decl_rtl): Remove last parameter.
1561 * c-decl.c (builtin_function): Remove last argument in call to
1562 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1563 (start_function): Likewise.
1564 * except.c (call_get_eh_context): Likewise.
1565 * expr.c (emit_block_move): Likewise.
1566 (clear_storage): Likewise.
1567 * profile.c (output_func_start_profiler): Likewise.
1568 * toplev.c (rest_of_decl_compilation): Likewise.
1569 * objc/objc-act.c (create_builtin_decl): Likewise.
1570 (synth_module_prologue): Likewise.
1571 (generate_static_reference): Likewise.
1572 (build_selector_reference_decl): Likewise.
1573 (build_class_reference_decl): Likewise.
1574 (build_objc_string_decl): Likewise.
1575 (build_protocol_reference): Likewise.
1577 2001-01-10 Richard Henderson <rth@redhat.com>
1579 * hwint.h: Revert yesterday's change.
1581 2001-01-10 Nick Clifton <nickc@redhat.com>
1583 * function.h (save_machine_status): Delete.
1584 (restore_machine_status): Delete.
1585 Amend comment describing {init|mark|free}_machine_status.
1587 * function.c (save_machine_status): Delete.
1588 (restore_machine_status): Delete.
1589 Amend comment describing {init|mark|free}_machine_status.
1590 (push_function_context_to): Remove invocation of
1591 save_machine_status.
1592 (pop_function_context_from): Remove invocation of
1593 restore_machine_status.
1595 * emit-rtl.c (init_emit_once): Amend comment describing
1596 {init|mark|free}_machine_status.
1598 * tm.texi (Per-Function Data): New node. Describe the
1599 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1602 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1604 * cppinit.c (OPT_g): Remove.
1605 (cpp_handle_option): Update for removed -g3.
1606 (print_help): Update.
1607 * cpplib.h (struct cpp_options): Remove debug_output.
1608 * cppmain.c (setup_callbacks, cb_define): Update.
1609 * gcc.c (cpp_options): Translate -g3 to -dD.
1611 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1613 * config/i960/i960.md: Change modifier to + on the zero_extract
1614 pattern after the (rotate -2 reg) canonicalization pattern.
1616 2001-01-10 Richard Henderson <rth@redhat.com>
1618 * config/alpha/alpha.c (alpha_free_machine_status): New.
1619 (override_options): Install it.
1620 (alpha_mark_machine_status): Verify machine non-null.
1621 * config/i386/i386.c (ix86_free_machine_status): New.
1622 (override_options): Install it.
1623 (ix86_init_machine_status): Use xcalloc.
1624 (ix86_mark_machine_status): Verify machine non-null.
1625 * config/ia64/ia64.c (ia64_free_machine_status): New.
1626 (ia64_override_options): Install it.
1627 (ia64_mark_machine_status): Verify machine non-null.
1629 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1631 * function.c (instantiate_virtual_regs): Instantiate virtual
1632 registers found in CALL_INSN_FUNCTION_USAGE.
1634 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1636 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1637 equivalent to -ansi in disabling -Di386.
1639 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1641 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1643 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1645 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1647 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1649 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1651 * invoke.texi: Document that -fcond-mismatch isn't supported for
1654 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1656 * gcc.texi: Define macro gcctabopt.
1657 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1658 @command, @env and @option in some places where appropriate. Use
1659 @gcctabopt where appropriate. Put URLs and email addresses inside
1662 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1664 * gcc.c (cpp_options): Set MD file name from output
1665 filename, if specified.
1666 (suffix_subst): New static variable.
1667 (do_spec): Clear it.
1668 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1670 (give_switch): Handle suffix_subst.
1672 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1674 * invoke.texi: Fix another typo.
1676 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1678 * invoke.texi: Fix typo.
1680 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1682 * c-lang.c (lang_hooks): Update.
1683 (lang_decode_option): Remove.
1684 (lang_init_options): Rename c_init_options.
1685 * toplev.c (main): Use lang_hooks for lang_init_options
1686 and lang_decode_option.
1687 * toplev.h (lang_hooks): Add 2 new hooks.
1688 * tree.h: Remove lang_init_options and lang_decode_option.
1689 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1690 * cp/decl2.c: Similarly.
1691 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1692 (lang_hooks): Update.
1693 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1695 (lang_init_options): Rename ffe_init_options.
1696 (lang_hooks): Update.
1697 (lang_decode_option): Remove.
1698 * java/lang.c (lang_init_options): Rename java_init_options.
1699 (lang_decode_option): Rename java_decode_option.
1700 (lang_hooks): Update.
1701 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1702 (lang_decode_option): Rename objc_decode_option.
1703 (lang_hooks): Update.
1705 2001-01-09 Nick Clifton <nickc@redhat.com>
1707 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1708 (d30v_return_addr_rtx): Delete.
1709 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1710 cfun->machine structure.
1711 (struct machine_function): Move to d30v.h
1712 (d30v_save_machine_status): Delete.
1713 (d30v_restore_machine_status): Delete.
1714 (d30v_init_machine_status): New Function.
1715 (d30v_mark_machine_status): New Function.
1716 (d30v_free_machine_status): New Function.
1717 (d30v_init_expanders): Use new functions.
1718 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1719 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1720 d30v_return_addr_rtx.
1722 * config/d30v/d30v.h (struct_machine): Move here.
1723 Add eh_epilogue_sp_ofs field.
1725 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1726 field in cfun->machine structure.
1728 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1730 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1731 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1732 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1734 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1736 * objc/lang-options.h: Remove bogus reference to
1739 2001-01-09 Kazu Hirata <kazu@hxi.com>
1741 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1744 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1746 * reload.c (find_reloads_address): Check for eliminable registers
1747 when substituting a constant expression for a pseudo.
1749 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1751 * c-common.c (enum format_type): Add format_type_error.
1752 (decode_format_type): New function.
1753 (decl_attributes): Use it.
1754 (format_kind_info): Adjust comment.
1756 2001-01-09 David O'Brien <obrien@BSDi.com>
1758 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1759 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1761 * config/i386/gnu.h: Don't include required platform specific .h files,
1762 tm.h will do it instead.
1763 * config/i386/i386elf.h: Likewise.
1764 * config/i386/linux.h: Likewise.
1765 * config/i386/moss.h: Likewise.
1766 * config/mips/gnu.h: Likewise.
1768 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1770 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1771 (rs6000-ibm-aix3.[01]*): Likewise.
1772 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1773 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1774 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1775 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1776 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1777 (powerpc-*-eabiaix*): Likewise.
1778 (powerpc-*-eabisim*): Likewise.
1779 (powerpc-*-elf*): Likewise.
1780 (powerpc-*-eabi*): Likewise.
1781 (powerpc-*-rtems*): Likewise.
1782 (powerpc-*-linux*libc1): Likewise.
1783 (powerpc-*-linux*): Likewise.
1784 (powerpc-wrs-vxworks*): Likewise.
1785 (powerpcle-wrs-vxworks*): Likewise.
1786 (powerpcle-*-sysv*): Likewise.
1787 (powerpcle-*-elf*): Likewise.
1788 (powerpcle-*-eabisim*): Likewise.
1789 (powerpcle-*-eabi*): Likewise.
1790 (powerpcle-*-solaris2*): Likewise.
1791 * config/rs6000/aix31.h: Delete includes.
1792 * config/rs6000/aix3newas.h: Likewise.
1793 * config/rs6000/aix41.h: Likewise.
1794 * config/rs6000/aix43.h: Likewise.
1795 * config/rs6000/beos.h: Likewise.
1796 * config/rs6000/rtems.h: Likewise.
1797 * config/rs6000/sysv4.h: Likewise.
1799 2001-01-09 Kazu Hirata <kazu@hxi.com>
1801 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1802 Change an argument mode of machine_mode to shift_mode of
1803 shift_mode. Remove an extra error check.
1804 (emit_a_shift): Adopt to the new calling prototype of
1806 (function_prologue): Fix code for a monitor
1807 function. Support H8/S.
1808 (function_epilogue): Do not output pop for a monitor function.
1810 2001-01-09 Nick Clifton <nickc@redhat.com>
1812 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1813 (setup_incoming_varargs): Use sysv_varargs_p field of the
1814 cfun->machine structure.
1815 (struct machine_function): Move to rs6000.h
1816 (rs6000_save_machine_status): Delete.
1817 (rs6000_restore_machine_status): Delete.
1818 (rs6000_init_machine_status): New Function.
1819 (rs6000_free_machine_status): New Function.
1820 (rs6000_init_expanders): Use new functions.
1822 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1824 (struct machine_function): Move here.
1826 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1827 sysv_varargs_p field of the cfun->machine structure.
1829 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1831 (rs6000_restore_machine_status): Remove prototype.
1833 2001-01-09 Richard Henderson <rth@redhat.com>
1835 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1836 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1837 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1838 (sched_analyze_2, sched_analyze_insn): Likewise.
1839 (sched_analyze, init_deps): Likewise.
1840 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1841 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1842 (compute_block_backward_dependences): Update propagate_deps call.
1844 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1846 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1848 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1850 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1851 (cpp_handle_option): Handle them.
1852 (cpp_post_options): Ensure one of -M or -MM is specified with
1853 any other -M? option.
1854 (init_dependency_output): Suppress output with -MG.
1856 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1859 * invoke.texi: Update.
1861 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1863 * sh.md (reload_outsf): Generate recognizable patterns for
1866 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1868 * c-lang.c (lang_hooks): Update.
1869 (lang_init): Rename c_init.
1870 (lang_finish): Remove.
1871 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1873 * toplev.h (lang_hooks): Add init () and finish ().
1874 * tree.h (lang_init, lang_finish): Remove.
1875 * cp/tree.h (lang_init, lang_finish): Remove.
1876 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1877 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1879 (lang_init, lang_finish): Remove.
1880 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1881 (lang_hooks): Update.
1882 * java/lang.c (lang_init): Rename java_init.
1883 (lang_finish): Remove.
1884 (lang_hooks): Update.
1885 * objc/objc-act.c (lang_init): Rename objc_init.
1886 (lang_finish): Remove.
1887 (lang_hoooks): Update.
1889 20001-01-09 Graham Stott <grahams@redhat.com>
1891 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1892 after `ptr` is initialised.
1894 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1896 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1897 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1898 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1899 stack adjusts, instead of r3.
1901 2001-01-09 Michael Hayes <mhayes@redhat.com>
1903 * flow.c (flow_loop_scan): Break out of ...
1904 (flow_loops_find) ... here.
1905 * basic-block.h (flow_loop_scan): New.
1906 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1907 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1909 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1911 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1913 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1914 realloc()ing macro_buffer.
1916 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1917 if it's wider than long and the target's long is wider than the
1920 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1922 Remove support for using UWIN as a host machine.
1923 * configure.in: Issue an error message.
1924 * configure: Regenerated.
1925 * config.gcc: Remove xm_* UWIN configury.
1926 * config/i386/xm-uwin.h: Remove.
1928 2001-01-08 Nick Clifton <nickc@redhat.com>
1930 * config/v850/v850.c (ra_rtx): Delete.
1931 (v850_save_machine_status): Delete.
1932 (v850_restore_machine_status): Delete.
1933 (v850_init_machine_status): New function.
1934 (v850_mark_machine_status): New function.
1935 (v850_free_machine_status): New function.
1936 (v850_return_addr): Use ra_rtx field in machine structure.
1937 (v850_init_expanders): Use new functions.
1939 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1940 * config/v850/v850.c: Change arguments to v850_output+* functions
1941 to take a const char *, to avoid compile time warning.
1942 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1943 (USER_LABEL_PREFIX): Redefine.
1945 2000-01-08 Jim Wilson <wilson@redhat.com>
1947 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1948 1 to unsigned HOST_WIDE_INT before left shift.
1950 2001-01-08 Nick Clifton <nickc@redhat.com>
1952 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1953 the machine structure has been allocated.
1954 (arm_free_machine_status): New function: Free the machine
1955 specific function structure.
1957 2001-01-08 Richard Henderson <rth@redhat.com>
1959 * jump.c (simplejump_p): Revert last change.
1961 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1963 * cppinit.c (init): Rename init_library.
1964 (cpp_create_reader): Update.
1965 * gcc.c (cpp_options): If -o given, use it as the target of
1968 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1970 * arm.c (arm_arch5e): New variable.
1971 (all_cores): XScale is a 5TE device.
1972 (arm_override_options): Set arm_arch5e.
1973 (arm_init_builtins): __builtin_prefetch is in arch5e.
1974 * arm.h (arm_arch5e): Declare it.
1976 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1978 * arm.md (define_constants): Add defines for UNSPEC and
1979 UNSPEC_VOLATILE insns. Update all users.
1980 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1981 * arm.c (multi_register_push, note_invalid_constants)
1982 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1983 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1984 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1986 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1988 * jump.c (jump_optimize_1): Use reversed_comparison_code
1989 instead of can_reverse_comparison_p.
1990 (jump_back_p): Likewise.
1991 (invert_exp_1): Likewise.
1992 (thread_jumps): Likewise.
1993 * simplify-rtx.c (simplify_unary_operation): Likewise.
1994 (simplify_ternary_operation): Likewise.
1995 * cse.c (find_comparison_args): Convert to use
1996 can_reverse_comparison_p.
1997 (record_jump_equiv): Likewise.
1999 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2001 * arm.h (HARD_REGNO_RENAME_OK): Delete.
2002 (EPILOGUE_USES): Define.
2003 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
2004 automatically stack the LR if it isn't live.
2006 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
2008 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
2011 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
2013 * ggc-page.c (max_alignment): New structure.
2014 (MAX_ALIGNMENT): New macro.
2015 (init_ggc): Use it to round up the sizes in the
2016 extra_order_size_table.
2018 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2020 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
2023 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2025 * builtins.def (BUILT_IN_FPRINTF): New entry.
2027 * c-common.c (c_expand_builtin_fprintf): New function.
2028 (init_function_format_info): Handle __builtin_fprintf.
2029 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
2030 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
2032 * c-decl.c (duplicate_decls): Adjust comment.
2034 * extend.texi (fprintf): Document new builtin.
2036 2001-01-07 Richard Henderson <rth@redhat.com>
2038 * jump.c (simplejump_p): Recognize any single_set jump
2041 2001-01-07 Richard Henderson <rth@redhat.com>
2043 * configure.in (slibdir): Accept an --with-slibdir option.
2044 Use "test" not "[" in configure. Default to $(libdir).
2046 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
2048 * config/t-aix43 (SHLIB_INSTALL): Likewise.
2049 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
2050 (SHLIB_LINK): Create links for the soname.
2051 * config/mips/t-iris6: Likewise.
2052 * config/sparc/t-slibgcc: Likewise.
2053 * config/sparc/t-slibgcc-sld: Likewise.
2055 2001-01-07 Jakub Jelinek <jakub@redhat.com>
2057 * config/i386/i386.c (constant_call_address_operand): Accept
2058 (const (plus (symbol_ref) (const_int))).
2059 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
2060 constant_call_address_operand.
2062 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2064 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
2065 and LONG_LONG_TYPE_SIZE > 32.
2067 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2069 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
2070 the previous change.
2072 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
2074 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
2076 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
2077 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
2078 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
2081 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2083 * fix-header.c (read_scan_file): s/pfile/scan_in/.
2085 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2087 * c-lang.c (c_post_options): Call cpp_post_options.
2088 * objc/objc-act.c (objc_post_options): Similarly.
2089 * cppmain.c (main): Similarly.
2090 * fix-header.c (read_scan_file): Similarly.
2091 * cppinit.c (cpp_start_read): Move option consistency checks
2092 to cpp_post_options. Don't call init_dependency_output.
2093 If needed, add default target and main file dependency.
2094 (OPT_MD, OPT_MMD): Remove.
2096 (cpp_handle_option): Update for OPT_* changes.
2097 (cpp_post_options): New.
2098 (init_dependency_output): Command line -MF overrides environment
2099 variables. Don't set default target etc. Suppress output
2100 if dependencies are going to stdout.
2101 (print_help): Update.
2102 * cpplib.h (cpp_post_options): New.
2103 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
2105 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
2107 * jump.c (comparison_dominates_p): Support unordered compares.
2109 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
2111 * simplify-rtx.c (simplify_relational_operation): Always simplify
2112 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
2115 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
2117 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
2118 (nonzero_bits): Likewise.
2119 (simplify_comparison): Likewise.
2120 (num_sign_bit_copies): Likewise; return more sane value depending
2121 on STORE_FLAG_VALUE.
2122 (known_cond): Do not assume EQ to be always true for equivalent
2125 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
2127 * cse.c (fold_rtx): Handle unordered comparisons.
2129 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
2131 * rtlanal.c (set_of_1): New static function.
2132 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
2133 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
2134 reg_set_last_last_regno): Remove.
2135 (set_of): New global function.
2136 (set_of_data): New structure.
2137 (reg_set_p, reg_set_last): Revamp for set_of.
2138 * rtl.h (set_of): New.
2140 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
2142 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
2143 * extend.texi: Document _Exit builtin.
2145 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2147 * (initialize, initialize_builtins,
2148 initialize_dependency_output, initialize_standard_includes):
2149 Rename s/initialize/init. Update.
2150 (init_dependency_output): Move to after
2151 cpp_handle_options, the correct location temporally at least.
2152 (opt_comp): Move next to init (), its caller. Fix prototype.
2153 (init): Make "initialized" local scope.
2154 (cpp_create_reader): Always call init ().
2155 (cpp_start_read): Update.
2156 (output_deps): New function, broken out of cpp_finish.
2157 (cpp_finish): Break out output_deps.
2159 2001-01-07 Richard Henderson <rth@redhat.com>
2161 * collect2.c (COFF specific stuff): Revert 12-06 patch
2162 to prototype system functions.
2164 2001-01-07 Michael Hayes <mhayes@redhat.com>
2166 * hard-reg-set.h: Add multiple include guard.
2167 * basic-block.h (struct loop): Add `sink' field.
2168 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
2169 (emit_iv_add_mult): Delete.
2170 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
2171 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
2172 (unroll_loop): Remove end_insert_before argument.
2173 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
2174 (maybe_eliminate_biv_1): Likewise.
2175 (emit_iv_add_mult): Delete.
2176 (gen_add_mult, loop_regs_update): New.
2177 (loop_insn_emit_after, loop_insn_emit_before): New.
2178 (loop_insn_sink, loop_insn_sink_or_swim): New.
2179 (emit_iv_add_mult): Delete.
2180 (scan_loop): Set loop->sink.
2181 (loop_givs_reduce): Use loop_insn_sink and its ilk.
2182 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
2183 (maybe_eliminate_biv_1): Likewise.
2184 (maybe_eliminate_biv_1): Add basic block argument.
2185 * unroll.c (unroll_loop): Remove end_insert_before argument.
2186 (find_splittable_regs): Likewise.
2187 (find_splittable_regs): Use loop_insn_sink and its ilk.
2188 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2190 2001-01-07 Michael Hayes <mhayes@redhat.com>
2192 * loop.h (loop_insn_hoist): New prototype.
2193 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
2194 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
2195 (check_dbra_loop, load_mems): Likewise.
2196 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
2197 (find_splittable_givs): Likewise.
2199 2001-01-07 Michael Hayes <mhayes@redhat.com>
2201 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2203 2001-01-07 Richard Henderson <rth@redhat.com>
2205 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2207 2001-01-07 Richard Henderson <rth@redhat.com>
2209 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2210 NO_SHARED_LIBGCC_MULTILIB as required for the target.
2211 * gcc.c (init_spec): Massage the existing libgcc_spec into a
2212 variant that handles a shared libgcc.
2213 (process_command): Always validate -{static,shared}-libgcc.
2214 (do_spec_1): New 'M' case.
2215 * invoke.text (Link Options): Document -{static,shared}-libgcc.
2217 2001-01-07 Richard Henderson <rth@redhat.com>
2219 * Makefile.in (slibdir): New variable.
2220 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2221 (installdirs): Create slibdir.
2222 (install-libgcc, install-multilib): Defer to libgcc.mk.
2223 * configure.in (slibdir): Substitute.
2224 * mklibgcc.in (install): New target.
2226 * config/t-linux (SHLIB_LINK): Create links for the soname.
2227 (SHLIB_INSTALL): New.
2228 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2229 * config/mips/t-iris6 (SHLIB_INSTALL): New.
2230 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2231 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2232 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2234 2001-01-07 Richard Henderson <rth@redhat.com>
2236 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2237 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2238 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2240 2001-01-07 Michael Hayes <mhayes@redhat.com>
2242 * loop.c (count_loop_regs_set): Delete.
2243 (load_mems_and_recount_loop_regs_set): Delete.
2244 (loop_regs_scan): Merge common code from count_loop_regs_set,
2245 scan_loop, and load_mems_and_recount_loop_regs_set.
2246 (scan_loop): Call load_mems directly and loop_regs_scan
2247 again if new registers created.
2249 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2251 * toplev.c (main): Call the front-end specific post_options
2252 hook if one is given.
2253 * toplev.h (struct_lang_hooks, lang_hooks): New.
2254 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2255 for the C front end.
2256 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2257 lang_hooks for the C++ front end.
2258 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2259 lang_hooks for the ObjC front end.
2260 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2261 * java/lang.c (lang_hooks): Hooks for the Java front end.
2263 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2265 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2266 for verbose DWARF[2] debugging.
2267 (cb_define, cb_undef): The new callbacks.
2268 * toplev.h (debug_define, debug_undef): Make const correct.
2269 * toplev.c (debug_define, debug_undef): Similarly. Do not
2270 perform the verbosity tests here anymore.
2272 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2274 * reload.c (subst_reloads): Take INSN argument. When
2275 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2276 * reload.h (subst_reloads): Adjust prototype.
2277 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2278 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2279 present in JUMP_INSNs and copy them to JUMP_LABEL.
2280 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2281 JUMP_INSNs and insns with REG_LABELs that are followed by
2282 JUMP_INSNs with the same REG_LABEL.
2283 * sched-rgn.c (is_cfg_nonregular): Likewise.
2284 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2286 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2288 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2290 2001-01-06 Richard Henderson <rth@redhat.com>
2292 * loop.c (scan_loop): Use xcalloc for the regs array.
2293 (load_mems_and_recount_loop_regs_set): Zero the new memory
2294 received from xrealloc.
2296 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2298 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2300 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2302 * integrate.c (copy_rtx_and_substitute): When copying
2303 an ignored return value, strip REG_FUNCTION_VALUE_P.
2305 2001-01-06 Michael Hayes <mhayes@redhat.com>
2307 * loop.c (debug_biv, debug_giv): New.
2308 (loop_biv_dump): Break out from ...
2309 (record_biv): ... here.
2310 (loop_giv_dump): Break out from ...
2311 (record_giv): ... here.
2312 (loop_bivs_check): Use print_simple_rtl.
2313 * unroll.c (loop_iterations): Use print_simple_rtl.
2315 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2317 * pa.md (return, return_internal): Modify patterns to prevent regrename
2318 mucking with the return pointer.
2320 2001-01-05 Richard Henderson <rth@redhat.com>
2322 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2324 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2326 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2327 version supplied by Matteo Frigo.
2329 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2331 * cpp.texi: Update for -MQ.
2332 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2333 (cpp_cleanup): Always free pfile->deps.
2334 (initialize_dependency_output): Don't create pfile->deps.
2335 (cpp_handle_option): Similarly.
2337 * gcc.c (cpp_options): Handle -MQ.
2338 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2339 * mkdeps.c (base_name): Remove.
2340 (deps_init): Don't allocate vector space until it's needed.
2341 (deps_free): Only free vectors if allocated.
2342 (deps_add_target, deps_add_dep): Update for initial allocation.
2343 (deps_add_default_target): Don't strip to the base_name.
2345 2001-01-05 DJ Delorie <dj@redhat.com>
2347 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2348 (INIT_EXPANDERS): Define.
2350 * config/v850/v850.c (struct machine_function): Define.
2351 (v850_save_machine_status): New function.
2352 (v850_restore_machine_status): New function.
2353 (v850_return_addr): New function.
2354 (v850_init_expanders): New function.
2356 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2357 and v850_init_expanders.
2359 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2361 * cpplib.h (struct cpp_reader): Add help_only field.
2362 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2363 (cpp_handle_option): Set pfile->help_only if we see -h,
2364 --help, -target-help, or --version. Print version string but
2365 do not set help_only if we see -v or -version. Make text
2366 printed by -v match that printed by (-)-version.
2368 * cppmain.c (main): Exit after option parsing if
2369 pfile->help_only is true.
2371 * toplev.c (independent_decode_option): Call print_version,
2372 then exit, if we see --version (but not -version).
2373 (print_version): Split lengthy message into two lines.
2375 2001-01-05 Nick Clifton <nickc@redhat.com>
2377 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2378 temporary string for initialisation before calling ggc_alloc_string.
2380 2001-01-06 Michael Hayes <mhayes@redhat.com>
2382 * rtl.h (print_simple_rtl): New.
2383 * print-rtl.c (print_simple_rtl): New.
2385 (print_rtx): Disable printing of flags and modes, etc.,
2386 if `flag_simple` nonzero.
2388 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2390 * function.c (fixup_var_refs): Use push_to_full_sequence where
2393 2001-01-05 Michael Meissner <meissner@redhat.com>
2395 * flags.h (flag_reorder_blocks): Add declaration.
2396 (flag_rename_block): Ditto.
2398 2001-01-05 DJ Delorie <dj@redhat.com>
2400 * function.c (reorder_blocks): Make sure the flags are all reset
2401 before using them to mark blocks, else a second invocation will
2402 corrupt the block chain.
2403 (reorder_blocks_0): New, resets the flags.
2405 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2407 * cse.c (find_comparison_args): Stop if the argument is known to
2410 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2412 * config/sh/sh.md (movdf): When splitting load into pair of
2413 registers, don't clobber the register used in the address too
2416 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2418 * varasm.c (mark_constant_pool): Improve initial comments.
2419 (mark_constants): Move marking of constants to mark_constant.
2420 (mark_constant): New function to recursively mark all constants
2421 referred to by a constant.
2423 2001-01-05 Catherine Moore <clm@redhat.com>
2425 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2427 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2429 * cp/lang-options.h: Bring comment in line with reality.
2430 * f/lang-options.h: Likewise.
2431 * java/lang-options.h: Likewise.
2432 * objc/lang-options.h: Likewise.
2433 * ch/lang-options.h: Likewise.
2434 * f/g77.texi: And update the manual.
2436 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2437 Denis Chertykov <denisc@overta.ru>
2439 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2440 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2441 * config/avr/avr.md (all peepholes that request a scratch register):
2442 Call it, FAIL the peephole if not safe (in interrupt functions).
2444 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2446 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2448 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2450 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2452 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2453 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2454 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2455 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2456 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2458 * extend.texi: Document these builtins.
2460 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2462 * c-common.c (lang_get_alias_set): Say we know nothing of
2463 VECTOR_TYPE aliasing.
2465 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2467 2001-01-05 Bruce Korb <bkorb@gnu.org>
2469 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2470 their x* equivalent versions for atexit-less systems
2471 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2472 systems (or any other system any more).
2474 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2476 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2477 output operands. Use arm_hard_register_operand for operand 4.
2478 (stmsi_postinc): Similarly.
2479 (ldmsi): Use arm_hard_register_operand for opernand 2.
2481 * arm.c (arm_hard_register_operand): New function.
2482 * arm-protos.h (arm_hard_register_operand): Prototype it.
2484 * arm.h (HARD_REGNO_RENAME_OK): Define.
2486 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2488 * simplify-rtx.c (cfc_args): add "unordered" field.
2489 (check_fold_consts): Set unordered field.
2490 (simplify_relational_operation): Simplify the unordered
2493 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2496 * emit-rtl.c (try_split): Fix code to mark labels.
2497 * jump.c (mark_jump_label): Make global.
2498 * rtl.h (mark_jump_label): Declare.
2500 * predict.c (estimate_probability): Handle unordred comparisons.
2502 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2504 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2505 * cppinit.c (initialize_dependency_output): Update.
2506 (cpp_finish): Output dummy targets for -MP.
2508 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2509 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2510 * gcc.c (cpp_options): Update to handle -MP.
2511 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2512 to quote only the default target.
2513 (deps_phony_targets): Insert a preceding newline. Rename from
2514 deps_dummy_targets for consistency.
2517 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2519 * calls.c (emit_library_call_value_1): Support
2520 INIT_CUMULATIVE_LIBCALL_ARGS.
2521 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2523 2001-01-04 Richard Henderson <rth@redhat.com>
2525 * c-decl.c (finish_struct): Detect flexible array members
2526 used in an inappropriate context.
2527 * c-typeck.c (really_start_incremental_init): Special case
2528 constructor_max_index for zero length arrays.
2529 (pop_init_level): Allow initialization of flexible array
2530 members. Deprecate initialization of zero length arrays.
2531 Don't issue missing initializer warning for flexible array
2532 members or zero length arrays.
2533 (process_init_element): Don't dereference null DECL_SIZE.
2534 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2535 Don't abort for empty constructors. Use size_binop
2536 (output_constructor): Add commentary regarding zero length
2537 array futures. Abort if we try to initialize an array of
2538 unspecified length with a non-empty constructor in the middle
2541 * extend.texi (Zero Length): Update and clarify documentation
2542 on static initialization.
2544 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2546 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2547 with more than 32767 words of local storage.
2549 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2551 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2552 for 'abs', 'labs', and 'fabs'.
2553 (c4x_expand_builtin): Likewise.
2554 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2556 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2558 * config/sh/sh.md (prget, prset): New insn types.
2559 (return delay slot): Dont' allow prset.
2560 (call, sfunc delay slot): Don't allow prget.
2561 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2562 for prset and prget.
2564 2001-01-05 Michael Hayes <mhayes@redhat.com>
2566 * loop.h (struct loop_reg): New.
2567 (struct loop_regs): Change to use array of `struct loop_reg'.
2568 * loop.c: Replace assortment of varrays with single regs array.
2569 (count_one_set): Delete may_not_move array argument
2570 and use regs array instead. All caller's changed.
2571 (count_loop_regs_set): Delete may_not_move and single_usage
2572 arguments and use regs array instead. All caller's changed.
2573 (find_single_use_in_loop): Replace usage array argument with pointer
2574 to regs structure. All caller's changed.
2575 (loop_optimize): Delete `moved_once' array.
2577 2001-01-05 Michael Hayes <mhayes@redhat.com>
2579 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2580 Use it instead of loop_info->has_call for scanning loop mems.
2581 (check_dbra_loop): Replace loop_info->has_call test with
2582 loop_info->has_nonconst_call.
2584 2000-01-04 Matthew Hiller <hiller@redhat.com>
2586 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2589 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2591 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2592 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2594 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2596 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2597 (flag_short_double, flag_short_wchar): Define.
2598 (c_common_nodes_and_builtins): Create many tree nodes shared
2599 between C and C++ here instead of in cp/decl.c and ...
2600 * c-decl.c (init_decl_processing): ... here.
2601 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2602 (flag_short_double, flag_short_wchar): Don't define.
2603 (record_builtin_type): New function.
2604 (build_void_list_node): New function.
2605 * c-common.h (flag_short_double, flag_short_wchar,
2606 record_builtin_type, build_void_list_node): Declare.
2608 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2610 * integrate.c (expand_inline_function): Don't put a virtual
2611 register into the reg map.
2613 * function.c (fixup_var_refs_1): If force_operand didn't put
2614 the address into the target, move it there.
2616 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2618 Special-case tree_decl/tree_list allocations.
2619 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2620 (OBJECT_SIZE): New macro.
2621 (NUM_EXTRA_ORDER): Likewise.
2622 (extra_order_size_table): New variable.
2623 (NUM_ORDERS): New macro.
2624 (objects_per_page_table): New variable.
2625 (object_size_table): New variable.
2626 (G.pages): Use NUM_ORDERS to bound the array.
2627 (G.page_tails): Likewise.
2628 (DIV_ROUND_UP): Remove.
2629 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2630 (alloc_page): Use OBJECT_SIZE.
2631 (size_lookup): Don't make it const.
2632 (ggc_alloc): Use OBJECT_SIZE.
2633 (ggc_set_mark): Likewise.
2634 (ggc_get_size): Likewise.
2635 (init_ggc): Set up the object_size_table, objects_per_page_table,
2636 and adjust size_lookup.
2637 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2638 (ggc_pop_context): Use NUM_ORDERS.
2639 (clear_marks): Likewise.
2640 (sweep_pages): Likewise.
2641 (poison_pages): Likewise.
2642 (ggc_print_statistics): Use OBJECT_SIZE.
2644 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2646 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2647 Only call array_size_for_constructor if last field and array type
2648 with no upper bound.
2650 2001-01-04 Philip Blundell <philb@gnu.org>
2652 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2653 from bit 31 downwards, if this requires no more insns.
2654 (count_insns_for_constant): New helper function for above.
2656 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2658 * gencodes.c (output_predicate_decls): Remove empty initializer.
2660 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2662 * tree.c (copy_node): Remove documentation about obstacks.
2663 (buidl1): Check that nobody tries to build 2-argument nodes this
2666 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2668 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2671 * gencodes.c (output_predicate_decls): Fill empty initializer
2674 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2676 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2677 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2679 (do_include): Handle missing headers like cpp0.
2680 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2681 paths with first include pathname. Don't strcat to uninitialized
2684 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2686 * regrename.c (regrename_optimize): Don't rename from frame pointer
2687 if frame_pointer_needed.
2688 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2689 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2690 (ia64_reorg): Use it instead of scheduling if ! optimize.
2691 (errata_emit_nops): Properly call asm_noperands.
2692 (ia64_sched_reorder): Finish cycle if we see an asm.
2693 (ia64_variable_issue): Clear scheduling state after asms.
2695 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2697 * cpp.texi: Update for -MT.
2698 * cppinit.c (initialize_dependency_output): Add a default
2699 target if none has been given already.
2700 (no_tgt, OPT_MT): New.
2701 (cpp_handle_option): Handle -MT. Update -M etc.
2702 * cpplib.h (struct cpp_options): Remove deps_target.
2703 * gcc.c (cpp_options): Handle -MT.
2704 * mkdeps.c (struct deps): Move from mkdeps.h.
2705 (deps_calc_target): Rename deps_add_default_target. Add a
2706 default target if none has been specified already.
2707 * mkdeps.h (struct deps): Move to mkdeps.c.
2708 (deps_calc_target): Rename deps_add_default_target.
2710 2000-01-03 Richard Henderson <rth@redhat.com>
2712 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2714 * c-typeck.c (push_init_level): Move checks for flexible array
2715 members and zero length arrays ...
2716 (pop_init_level): ... here. Silently discard empty initializations.
2718 * varasm.c (output_constructor): Update for sizeof change to
2721 * extend.texi (Zero Length): Clarify semantics.
2723 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2725 * configure.in (tm.h): Include isns-codes.h last.
2726 * configure: Rebuilt.
2728 2001-01-03 Richard Henderson <rth@redhat.com>
2730 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2731 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2733 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2735 * tradcpp.c (main): Make sure finclude() is called with a valid
2736 indepth value while handling -include.
2738 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2740 * gencodes.c (output_predicate_decls): New function.
2742 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2743 even if it is not the first time machmode.h is #included.
2744 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2745 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2746 * gcc.texi (Copyright): Added 2001.
2748 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2750 * c-common.c (c_common_lang_init): New function. Warn if format
2751 warning options which only have effects when used with -Wformat
2752 are used without -Wformat.
2753 * c-common.h (c_common_lang_init): Declare.
2754 * c-lang.c (lang_init): Call c_common_lang_init.
2755 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2757 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2759 * configure.in: Check for the mktemp command.
2760 * configure: Regenerate.
2761 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2762 $TEMP. Create temporary files with mktemp, if available at
2763 configure time; otherwise use set -C. Remove temporary files
2766 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2768 * configure.in: Require at least texinfo 4.0. Check for whether
2769 Pod::Man is sufficiently recent to regenerate GCC manpages.
2770 * configure: Regenerate.
2771 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2773 (GENERATED_MANPAGES): Define.
2774 (generated-manpages): New target. Depend on cpp.1 as well as
2776 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2777 configure to generated-manpages or empty) rather than on the
2778 manpages directly. Remove execute permission from installed
2779 gcov.1 as well as cpp.1.
2780 * cpp.1, gcov.1: Regenerate.
2782 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2784 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2785 tree_low_cst. Allow using cmpstrsi in more cases.
2787 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2789 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2792 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2794 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2795 * Makefile.in (HOST_CFLAGS): Mention build-make.
2797 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2799 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2802 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2804 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2807 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2810 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2811 reg_base_value and reg_known_value arrays.
2812 (init_alias_analysis): Add more cases to detect known values.
2813 * sched-deps.c (deps_may_trap_p): New function.
2814 (sched_analyze_2): Use it.
2816 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2818 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2819 don't discard an ASHIFTRT if we're shifting in a wider mode.
2821 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2823 * toplev.c (rest_of_compilation): Don't print basic block information
2824 when CFG isn't up to date.
2826 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2828 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2829 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2830 (UNALIGNED_SHORT_ASM_OP): Define.
2831 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2833 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2835 * fold-const.c (fold_convert): Fix typo.
2837 2001-01-02 Richard Henderson <rth@redhat.com>
2839 * c-common.h (ASM_INPUT_P): New.
2840 * c-parse.in (asm): Set it when needed.
2841 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2842 existance of an operand.
2844 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2846 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2847 (dwarf2out_frame_debug_expr): Likewise.
2848 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2850 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2852 * i386.c (ix86_split_to_parts): Return number of part required;
2854 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2856 (ix86_split_long_move): Use number of part returned
2857 by ix86_split_to_parts
2858 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2860 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2861 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2862 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2863 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2864 (ALIGN_MODE_128): Add TFmode.
2865 (IS_STACK_MODE): Likewise.
2866 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2867 (HARD_REGNO_OK): Support TFmodes.
2868 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2869 * i386.md (scheduler definitions): Use memory operand to determine
2870 fst/fld instructions; use mode attribute to determine real mode of
2872 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2873 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2875 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2877 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2879 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2881 * expr.c (store_constructor_field): Update ALIGN before calling
2884 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2886 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2889 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2891 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2894 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2896 * c-decl.c (start_function): Don't warn on third parameter to main.
2898 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2900 * tsystem.h: Define HAVE_DECL_GETOPT.
2902 2001-01-02 Philip Blundell <pb@futuretv.com>
2904 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2907 2001-01-02 Richard Henderson <rth@redhat.com>
2909 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2911 2001-01-02 Andreas Jaeger <aj@suse.de>
2913 * c-decl.c (c_decode_option): Remove support of
2916 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2917 (W_options): Add -Wmissing-noreturn here.
2919 * flow.c: Define lang_missing_noreturn_ok_p.
2920 (check_function_return_warnings): Use it.
2922 * c-common.h: Declare lang_missing_noreturn_ok_p.
2924 * c-lang.c (c_missing_noreturn_ok_p): New function.
2925 (lang_init): Set lang_missing_noreturn_ok_p.
2927 * invoke.texi (Warning Options): Document this.
2929 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2931 * extend.texi (C++ Extensions): New node for C++ attributes;
2932 describe init_priority and com_interface.
2933 * invoke.texi: Remove -finit-priority as it now has zero effect.
2934 * install.texi: Fix xref syntax.
2935 * md.texi: Likewise.
2937 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2939 * config.gcc (sparc64-wrs-vxworks*): New case.
2940 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2942 * config/sparc/sparc.c (sparc_override_options): Do support different
2943 pointer and architecture size.
2944 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2945 (POINTERS_EXTEND_UNSIGNED): Define.
2946 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2947 (FUNCTION_MODE): Define to be Pmode.
2948 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2950 * function.c (expand_function_end): Properly handle DECL_RESULT
2951 and copy when ptr_mode != Pmode.
2952 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2954 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2956 * c-common.c (c_common_nodes_and_builtins): Set prototype
2957 parameters for __builtin_fputs, __builtin_fputc and
2958 __builtin_fwrite. Don't declare plain fputc as a builtin.
2960 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2962 * loop.c (add_label_notes): Increment the label usage count when
2963 a note is added to an insn which refers to a CODE_LABEL.
2964 * gcse.c (add_label_notes): Likewise.
2966 2001-01-01 Andreas Jaeger <aj@suse.de>
2968 * loop.c (scan_loop): Use xmalloc to allocate movables.
2970 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2972 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2973 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2974 * reload1.c (REGISTER_MOVE_COST): Likewise.
2975 * regclass.c (REGISTER_MOVE_COST): Likewise.
2976 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2977 dimension. Adjust all users.
2978 (init_reg_sets_1): Iterate on all modes.
2979 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2980 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2981 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2982 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2983 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2984 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2985 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2986 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2987 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2988 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2989 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2990 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2991 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2992 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2993 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2994 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2995 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2996 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2997 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2998 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2999 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
3000 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
3001 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
3002 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
3003 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
3004 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
3005 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
3007 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3009 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
3010 arg VARIES_P. Call it with extra arg.
3011 (true_dependence): Likewise.
3012 * rtl.h (rtx_addr_can_trap_p): Declare.
3013 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
3015 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
3016 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
3017 pic offset table register if it's zero. All callers changed.
3018 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
3020 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3022 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
3023 STRING_POOL_ADDRESS_P.
3025 * config/sparc/sparc.c (input_operand): Properly test for short op.
3027 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
3028 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
3029 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
3030 * config/sparc/elf.h: No longer include sol2.h.
3031 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
3032 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
3034 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
3036 2001-01-01 Michael Hayes <mhayes@redhat.com>
3038 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
3039 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
3040 (record_initial): Likewise.
3041 * unroll.c (copy_loop_body, loop_iterations): Likewise.
3042 (remap_split_bivs): Likewise.
3044 2001-01-01 Michael Hayes <mhayes@redhat.com>
3046 * loop.c (loop_ivs_free): New function.
3047 (strength_reduce): Break out from...
3049 2001-01-01 Michael Hayes <mhayes@redhat.com>
3051 * loop.h (struct iv): New.
3052 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
3053 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
3054 'reg_biv_class' fields with 'regs' and 'n_regs'.
3055 (struct ivs): Rename 'loop_iv_list' field to 'list'.
3056 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
3057 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
3059 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
3061 * resource.c (mark_referenced_resources): Abort() before
3062 attempting to mark a pseudo register.
3063 (mark_set_resources): Likewise.
3065 2001-01-01 Michael Hayes <mhayes@redhat.com>
3067 * loop.h (REG_IV_CLASS): New accessor macro.
3068 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
3069 * unroll.c (REG_IV_CLASS): Likewise.
3071 See ChangeLog.4 for earlier changes.
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